617 files changed, 274826 insertions, 0 deletions

diff --git a/gfx/angle/checkout/src/libANGLE/AttributeMap.cpp b/gfx/angle/checkout/src/libANGLE/AttributeMap.cpp
new file mode 100644
index 0000000000..6b56aee142
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/AttributeMap.cpp
@@ -0,0 +1,147 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "libANGLE/AttributeMap.h"
+
+#include "common/debug.h"
+
+namespace egl
+{
+
+AttributeMap::AttributeMap() = default;
+
+AttributeMap::AttributeMap(const AttributeMap &other) = default;
+
+AttributeMap &AttributeMap::operator=(const AttributeMap &other) = default;
+
+AttributeMap::~AttributeMap() = default;
+
+void AttributeMap::insert(EGLAttrib key, EGLAttrib value)
+{
+    mValidatedAttributes[key] = value;
+}
+
+bool AttributeMap::contains(EGLAttrib key) const
+{
+    return (attribs().find(key) != attribs().end());
+}
+
+EGLAttrib AttributeMap::get(EGLAttrib key) const
+{
+    auto iter = attribs().find(key);
+    ASSERT(iter != attribs().end());
+    return iter->second;
+}
+
+EGLAttrib AttributeMap::get(EGLAttrib key, EGLAttrib defaultValue) const
+{
+    auto iter = attribs().find(key);
+    return (iter != attribs().end()) ? iter->second : defaultValue;
+}
+
+EGLint AttributeMap::getAsInt(EGLAttrib key) const
+{
+    return static_cast<EGLint>(get(key));
+}
+
+EGLint AttributeMap::getAsInt(EGLAttrib key, EGLint defaultValue) const
+{
+    return static_cast<EGLint>(get(key, static_cast<EGLAttrib>(defaultValue)));
+}
+
+bool AttributeMap::isEmpty() const
+{
+    return attribs().empty();
+}
+
+std::vector<EGLint> AttributeMap::toIntVector() const
+{
+    std::vector<EGLint> ret;
+    for (const auto &pair : attribs())
+    {
+        ret.push_back(static_cast<EGLint>(pair.first));
+        ret.push_back(static_cast<EGLint>(pair.second));
+    }
+    ret.push_back(EGL_NONE);
+
+    return ret;
+}
+
+AttributeMap::const_iterator AttributeMap::begin() const
+{
+    return attribs().begin();
+}
+
+AttributeMap::const_iterator AttributeMap::end() const
+{
+    return attribs().end();
+}
+
+bool AttributeMap::validate(const ValidationContext *val,
+                            const egl::Display *display,
+                            AttributeValidationFunc validationFunc) const
+{
+    if (mIntPointer)
+    {
+        for (const EGLint *curAttrib = mIntPointer; curAttrib[0] != EGL_NONE; curAttrib += 2)
+        {
+            if (!validationFunc(val, display, curAttrib[0]))
+            {
+                return false;
+            }
+
+            mValidatedAttributes[static_cast<EGLAttrib>(curAttrib[0])] =
+                static_cast<EGLAttrib>(curAttrib[1]);
+        }
+        mIntPointer = nullptr;
+    }
+
+    if (mAttribPointer)
+    {
+        for (const EGLAttrib *curAttrib = mAttribPointer; curAttrib[0] != EGL_NONE; curAttrib += 2)
+        {
+            if (!validationFunc(val, display, curAttrib[0]))
+            {
+                return false;
+            }
+
+            mValidatedAttributes[curAttrib[0]] = curAttrib[1];
+        }
+        mAttribPointer = nullptr;
+    }
+
+    return true;
+}
+
+void AttributeMap::initializeWithoutValidation() const
+{
+    auto alwaysTrue = [](const ValidationContext *, const egl::Display *, EGLAttrib) {
+        return true;
+    };
+    (void)validate(nullptr, nullptr, alwaysTrue);
+}
+
+// static
+AttributeMap AttributeMap::CreateFromIntArray(const EGLint *attributes)
+{
+    AttributeMap map;
+    map.mIntPointer = attributes;
+    return map;
+}
+
+// static
+AttributeMap AttributeMap::CreateFromAttribArray(const EGLAttrib *attributes)
+{
+    AttributeMap map;
+    map.mAttribPointer = attributes;
+    return map;
+}
+
+bool AttributeMap::isValidated() const
+{
+    return mIntPointer == nullptr && mAttribPointer == nullptr;
+}
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/AttributeMap.h b/gfx/angle/checkout/src/libANGLE/AttributeMap.h
new file mode 100644
index 0000000000..60ba913fe1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/AttributeMap.h
@@ -0,0 +1,100 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef LIBANGLE_ATTRIBUTEMAP_H_
+#define LIBANGLE_ATTRIBUTEMAP_H_
+
+#include "common/FastVector.h"
+#include "common/PackedEnums.h"
+
+#include <EGL/egl.h>
+
+#include <functional>
+#include <vector>
+
+namespace egl
+{
+class Display;
+struct ValidationContext;
+
+// Validates {key, value} for each attribute. Generates an error and returns false on invalid usage.
+using AttributeValidationFunc =
+    std::function<bool(const ValidationContext *, const Display *, EGLAttrib)>;
+
+class AttributeMap final
+{
+  public:
+    static constexpr size_t kMapSize = 2;
+    using Map                        = angle::FlatUnorderedMap<EGLAttrib, EGLAttrib, kMapSize>;
+
+    AttributeMap();
+    AttributeMap(const AttributeMap &other);
+    AttributeMap &operator=(const AttributeMap &other);
+    ~AttributeMap();
+
+    void insert(EGLAttrib key, EGLAttrib value);
+    bool contains(EGLAttrib key) const;
+
+    EGLAttrib get(EGLAttrib key) const;
+    EGLAttrib get(EGLAttrib key, EGLAttrib defaultValue) const;
+    EGLint getAsInt(EGLAttrib key) const;
+    EGLint getAsInt(EGLAttrib key, EGLint defaultValue) const;
+
+    template <typename PackedEnumT>
+    PackedEnumT getAsPackedEnum(EGLAttrib key) const
+    {
+        return FromEGLenum<PackedEnumT>(static_cast<EGLenum>(get(key)));
+    }
+
+    using const_iterator = Map::const_iterator;
+
+    template <typename PackedEnumT>
+    PackedEnumT getAsPackedEnum(EGLAttrib key, PackedEnumT defaultValue) const
+    {
+        const_iterator iter = attribs().find(key);
+        return (attribs().find(key) != attribs().end())
+                   ? FromEGLenum<PackedEnumT>(static_cast<EGLenum>(iter->second))
+                   : defaultValue;
+    }
+
+    bool isEmpty() const;
+    std::vector<EGLint> toIntVector() const;
+
+    const_iterator begin() const;
+    const_iterator end() const;
+
+    [[nodiscard]] bool validate(const ValidationContext *val,
+                                const egl::Display *display,
+                                AttributeValidationFunc validationFunc) const;
+
+    // TODO: remove this and validate at every call site. http://anglebug.com/6671
+    void initializeWithoutValidation() const;
+
+    static AttributeMap CreateFromIntArray(const EGLint *attributes);
+    static AttributeMap CreateFromAttribArray(const EGLAttrib *attributes);
+
+  private:
+    bool isValidated() const;
+
+    const Map &attribs() const
+    {
+        ASSERT(isValidated());
+        return mValidatedAttributes;
+    }
+
+    Map &attribs()
+    {
+        ASSERT(isValidated());
+        return mValidatedAttributes;
+    }
+
+    mutable const EGLint *mIntPointer       = nullptr;
+    mutable const EGLAttrib *mAttribPointer = nullptr;
+    mutable Map mValidatedAttributes;
+};
+}  // namespace egl
+
+#endif  // LIBANGLE_ATTRIBUTEMAP_H_
diff --git a/gfx/angle/checkout/src/libANGLE/BinaryStream.h b/gfx/angle/checkout/src/libANGLE/BinaryStream.h
new file mode 100644
index 0000000000..35672f62e8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/BinaryStream.h
@@ -0,0 +1,286 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// BinaryStream.h: Provides binary serialization of simple types.
+
+#ifndef LIBANGLE_BINARYSTREAM_H_
+#define LIBANGLE_BINARYSTREAM_H_
+
+#include <stdint.h>
+#include <cstddef>
+#include <string>
+#include <vector>
+
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+
+namespace gl
+{
+template <typename IntT>
+struct PromotedIntegerType
+{
+    using type = typename std::conditional<
+        std::is_signed<IntT>::value,
+        typename std::conditional<sizeof(IntT) <= 4, int32_t, int64_t>::type,
+        typename std::conditional<sizeof(IntT) <= 4, uint32_t, uint64_t>::type>::type;
+};
+
+class BinaryInputStream : angle::NonCopyable
+{
+  public:
+    BinaryInputStream(const void *data, size_t length)
+    {
+        mError  = false;
+        mOffset = 0;
+        mData   = static_cast<const uint8_t *>(data);
+        mLength = length;
+    }
+
+    // readInt will generate an error for bool types
+    template <class IntT>
+    IntT readInt()
+    {
+        static_assert(!std::is_same<bool, std::remove_cv<IntT>()>(), "Use readBool");
+        using PromotedIntT = typename PromotedIntegerType<IntT>::type;
+        PromotedIntT value = 0;
+        read(&value);
+        ASSERT(angle::IsValueInRangeForNumericType<IntT>(value));
+        return static_cast<IntT>(value);
+    }
+
+    template <class IntT>
+    void readInt(IntT *outValue)
+    {
+        *outValue = readInt<IntT>();
+    }
+
+    template <class IntT, class VectorElementT>
+    void readIntVector(std::vector<VectorElementT> *param)
+    {
+        size_t size = readInt<size_t>();
+        for (size_t index = 0; index < size; ++index)
+        {
+            param->push_back(readInt<IntT>());
+        }
+    }
+
+    template <class EnumT>
+    EnumT readEnum()
+    {
+        using UnderlyingType = typename std::underlying_type<EnumT>::type;
+        return static_cast<EnumT>(readInt<UnderlyingType>());
+    }
+
+    template <class EnumT>
+    void readEnum(EnumT *outValue)
+    {
+        *outValue = readEnum<EnumT>();
+    }
+
+    bool readBool()
+    {
+        int value = 0;
+        read(&value);
+        return (value > 0);
+    }
+
+    void readBool(bool *outValue) { *outValue = readBool(); }
+
+    void readBytes(unsigned char outArray[], size_t count) { read<unsigned char>(outArray, count); }
+
+    std::string readString()
+    {
+        std::string outString;
+        readString(&outString);
+        return outString;
+    }
+
+    void readString(std::string *v)
+    {
+        size_t length;
+        readInt(&length);
+
+        if (mError)
+        {
+            return;
+        }
+
+        angle::CheckedNumeric<size_t> checkedOffset(mOffset);
+        checkedOffset += length;
+
+        if (!checkedOffset.IsValid() || mOffset + length > mLength)
+        {
+            mError = true;
+            return;
+        }
+
+        v->assign(reinterpret_cast<const char *>(mData) + mOffset, length);
+        mOffset = checkedOffset.ValueOrDie();
+    }
+
+    float readFloat()
+    {
+        float f;
+        read(&f, 1);
+        return f;
+    }
+
+    void skip(size_t length)
+    {
+        angle::CheckedNumeric<size_t> checkedOffset(mOffset);
+        checkedOffset += length;
+
+        if (!checkedOffset.IsValid() || mOffset + length > mLength)
+        {
+            mError = true;
+            return;
+        }
+
+        mOffset = checkedOffset.ValueOrDie();
+    }
+
+    size_t offset() const { return mOffset; }
+    size_t remainingSize() const
+    {
+        ASSERT(mLength >= mOffset);
+        return mLength - mOffset;
+    }
+
+    bool error() const { return mError; }
+
+    bool endOfStream() const { return mOffset == mLength; }
+
+    const uint8_t *data() { return mData; }
+
+  private:
+    bool mError;
+    size_t mOffset;
+    const uint8_t *mData;
+    size_t mLength;
+
+    template <typename T>
+    void read(T *v, size_t num)
+    {
+        static_assert(std::is_fundamental<T>::value, "T must be a fundamental type.");
+
+        angle::CheckedNumeric<size_t> checkedLength(num);
+        checkedLength *= sizeof(T);
+        if (!checkedLength.IsValid())
+        {
+            mError = true;
+            return;
+        }
+
+        angle::CheckedNumeric<size_t> checkedOffset(mOffset);
+        checkedOffset += checkedLength;
+
+        if (!checkedOffset.IsValid() || checkedOffset.ValueOrDie() > mLength)
+        {
+            mError = true;
+            return;
+        }
+
+        memcpy(v, mData + mOffset, checkedLength.ValueOrDie());
+        mOffset = checkedOffset.ValueOrDie();
+    }
+
+    template <typename T>
+    void read(T *v)
+    {
+        read(v, 1);
+    }
+};
+
+class BinaryOutputStream : angle::NonCopyable
+{
+  public:
+    BinaryOutputStream();
+    ~BinaryOutputStream();
+
+    // writeInt also handles bool types
+    template <class IntT>
+    void writeInt(IntT param)
+    {
+        static_assert(std::is_integral<IntT>::value, "Not an integral type");
+        static_assert(!std::is_same<bool, std::remove_cv<IntT>()>(), "Use writeBool");
+        using PromotedIntT = typename PromotedIntegerType<IntT>::type;
+        ASSERT(angle::IsValueInRangeForNumericType<PromotedIntT>(param));
+        PromotedIntT intValue = static_cast<PromotedIntT>(param);
+        write(&intValue, 1);
+    }
+
+    // Specialized writeInt for values that can also be exactly -1.
+    template <class UintT>
+    void writeIntOrNegOne(UintT param)
+    {
+        if (param == static_cast<UintT>(-1))
+        {
+            writeInt(-1);
+        }
+        else
+        {
+            writeInt(param);
+        }
+    }
+
+    template <class IntT>
+    void writeIntVector(const std::vector<IntT> &param)
+    {
+        writeInt(param.size());
+        for (IntT element : param)
+        {
+            writeIntOrNegOne(element);
+        }
+    }
+
+    template <class EnumT>
+    void writeEnum(EnumT param)
+    {
+        using UnderlyingType = typename std::underlying_type<EnumT>::type;
+        writeInt<UnderlyingType>(static_cast<UnderlyingType>(param));
+    }
+
+    void writeString(const std::string &v)
+    {
+        writeInt(v.length());
+        write(v.c_str(), v.length());
+    }
+
+    void writeBytes(const unsigned char *bytes, size_t count) { write(bytes, count); }
+
+    void writeBool(bool value)
+    {
+        int intValue = value ? 1 : 0;
+        write(&intValue, 1);
+    }
+
+    void writeFloat(float value) { write(&value, 1); }
+
+    size_t length() const { return mData.size(); }
+
+    const void *data() const { return mData.size() ? &mData[0] : nullptr; }
+
+    const std::vector<uint8_t> &getData() const { return mData; }
+
+  private:
+    template <typename T>
+    void write(const T *v, size_t num)
+    {
+        static_assert(std::is_fundamental<T>::value, "T must be a fundamental type.");
+        const char *asBytes = reinterpret_cast<const char *>(v);
+        mData.insert(mData.end(), asBytes, asBytes + num * sizeof(T));
+    }
+
+    std::vector<uint8_t> mData;
+};
+
+inline BinaryOutputStream::BinaryOutputStream() {}
+
+inline BinaryOutputStream::~BinaryOutputStream() = default;
+
+}  // namespace gl
+
+#endif  // LIBANGLE_BINARYSTREAM_H_
diff --git a/gfx/angle/checkout/src/libANGLE/BlobCache.cpp b/gfx/angle/checkout/src/libANGLE/BlobCache.cpp
new file mode 100644
index 0000000000..6a3e2dcc56
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/BlobCache.cpp
@@ -0,0 +1,277 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// BlobCache: Stores keyed blobs in memory to support EGL_ANDROID_blob_cache.
+// Can be used in conjunction with the platform layer to warm up the cache from
+// disk.  MemoryProgramCache uses this to handle caching of compiled programs.
+
+#include "libANGLE/BlobCache.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/histogram_macros.h"
+#include "platform/PlatformMethods.h"
+
+#define USE_SYSTEM_ZLIB
+#include "compression_utils_portable.h"
+
+namespace egl
+{
+
+namespace
+{
+enum CacheResult
+{
+    kCacheMiss,
+    kCacheHitMemory,
+    kCacheHitDisk,
+    kCacheResultMax,
+};
+
+}  // anonymous namespace
+
+// In oder to store more cache in blob cache, compress cacheData to compressedData
+// before being stored.
+bool CompressBlobCacheData(const size_t cacheSize,
+                           const uint8_t *cacheData,
+                           angle::MemoryBuffer *compressedData)
+{
+    uLong uncompressedSize       = static_cast<uLong>(cacheSize);
+    uLong expectedCompressedSize = zlib_internal::GzipExpectedCompressedSize(uncompressedSize);
+
+    // Allocate memory.
+    if (!compressedData->resize(expectedCompressedSize))
+    {
+        ERR() << "Failed to allocate memory for compression";
+        return false;
+    }
+
+    int zResult = zlib_internal::GzipCompressHelper(compressedData->data(), &expectedCompressedSize,
+                                                    cacheData, uncompressedSize, nullptr, nullptr);
+
+    if (zResult != Z_OK)
+    {
+        ERR() << "Failed to compress cache data: " << zResult;
+        return false;
+    }
+
+    // Resize it to expected size.
+    if (!compressedData->resize(expectedCompressedSize))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool DecompressBlobCacheData(const uint8_t *compressedData,
+                             const size_t compressedSize,
+                             angle::MemoryBuffer *uncompressedData)
+{
+    // Call zlib function to decompress.
+    uint32_t uncompressedSize =
+        zlib_internal::GetGzipUncompressedSize(compressedData, compressedSize);
+
+    // Allocate enough memory.
+    if (!uncompressedData->resize(uncompressedSize))
+    {
+        ERR() << "Failed to allocate memory for decompression";
+        return false;
+    }
+
+    uLong destLen = uncompressedSize;
+    int zResult   = zlib_internal::GzipUncompressHelper(
+          uncompressedData->data(), &destLen, compressedData, static_cast<uLong>(compressedSize));
+
+    if (zResult != Z_OK)
+    {
+        ERR() << "Failed to decompress data: " << zResult << "\n";
+        return false;
+    }
+
+    // Resize it to expected size.
+    if (!uncompressedData->resize(destLen))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+BlobCache::BlobCache(size_t maxCacheSizeBytes)
+    : mBlobCache(maxCacheSizeBytes), mSetBlobFunc(nullptr), mGetBlobFunc(nullptr)
+{}
+
+BlobCache::~BlobCache() {}
+
+void BlobCache::put(const BlobCache::Key &key, angle::MemoryBuffer &&value)
+{
+    if (areBlobCacheFuncsSet())
+    {
+        std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+        // Store the result in the application's cache
+        mSetBlobFunc(key.data(), key.size(), value.data(), value.size());
+    }
+    else
+    {
+        populate(key, std::move(value), CacheSource::Memory);
+    }
+}
+
+bool BlobCache::compressAndPut(const BlobCache::Key &key,
+                               angle::MemoryBuffer &&uncompressedValue,
+                               size_t *compressedSize)
+{
+    angle::MemoryBuffer compressedValue;
+    if (!CompressBlobCacheData(uncompressedValue.size(), uncompressedValue.data(),
+                               &compressedValue))
+    {
+        return false;
+    }
+    if (compressedSize != nullptr)
+        *compressedSize = compressedValue.size();
+    put(key, std::move(compressedValue));
+    return true;
+}
+
+void BlobCache::putApplication(const BlobCache::Key &key, const angle::MemoryBuffer &value)
+{
+    if (areBlobCacheFuncsSet())
+    {
+        std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+        mSetBlobFunc(key.data(), key.size(), value.data(), value.size());
+    }
+}
+
+void BlobCache::populate(const BlobCache::Key &key, angle::MemoryBuffer &&value, CacheSource source)
+{
+    std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+    CacheEntry newEntry;
+    newEntry.first  = std::move(value);
+    newEntry.second = source;
+
+    // Cache it inside blob cache only if caching inside the application is not possible.
+    mBlobCache.put(key, std::move(newEntry), newEntry.first.size());
+}
+
+bool BlobCache::get(angle::ScratchBuffer *scratchBuffer,
+                    const BlobCache::Key &key,
+                    BlobCache::Value *valueOut,
+                    size_t *bufferSizeOut)
+{
+    // Look into the application's cache, if there is such a cache
+    if (areBlobCacheFuncsSet())
+    {
+        std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+        EGLsizeiANDROID valueSize = mGetBlobFunc(key.data(), key.size(), nullptr, 0);
+        if (valueSize <= 0)
+        {
+            return false;
+        }
+
+        angle::MemoryBuffer *scratchMemory;
+        bool result = scratchBuffer->get(valueSize, &scratchMemory);
+        if (!result)
+        {
+            ERR() << "Failed to allocate memory for binary blob";
+            return false;
+        }
+
+        EGLsizeiANDROID originalValueSize = valueSize;
+        valueSize = mGetBlobFunc(key.data(), key.size(), scratchMemory->data(), valueSize);
+
+        // Make sure the key/value pair still exists/is unchanged after the second call
+        // (modifications to the application cache by another thread are a possibility)
+        if (valueSize != originalValueSize)
+        {
+            // This warning serves to find issues with the application cache, none of which are
+            // currently known to be thread-safe.  If such a use ever arises, this WARN can be
+            // removed.
+            WARN() << "Binary blob no longer available in cache (removed by a thread?)";
+            return false;
+        }
+
+        *valueOut      = BlobCache::Value(scratchMemory->data(), scratchMemory->size());
+        *bufferSizeOut = valueSize;
+        return true;
+    }
+
+    std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+    // Otherwise we are doing caching internally, so try to find it there
+    const CacheEntry *entry;
+    bool result = mBlobCache.get(key, &entry);
+
+    if (result)
+    {
+
+        *valueOut      = BlobCache::Value(entry->first.data(), entry->first.size());
+        *bufferSizeOut = entry->first.size();
+    }
+
+    return result;
+}
+
+bool BlobCache::getAt(size_t index, const BlobCache::Key **keyOut, BlobCache::Value *valueOut)
+{
+    std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+    const CacheEntry *valueBuf;
+    bool result = mBlobCache.getAt(index, keyOut, &valueBuf);
+    if (result)
+    {
+        *valueOut = BlobCache::Value(valueBuf->first.data(), valueBuf->first.size());
+    }
+    return result;
+}
+
+BlobCache::GetAndDecompressResult BlobCache::getAndDecompress(
+    angle::ScratchBuffer *scratchBuffer,
+    const BlobCache::Key &key,
+    angle::MemoryBuffer *uncompressedValueOut)
+{
+    ASSERT(uncompressedValueOut);
+
+    Value compressedValue;
+    size_t compressedSize;
+    if (!get(scratchBuffer, key, &compressedValue, &compressedSize))
+    {
+        return GetAndDecompressResult::NotFound;
+    }
+
+    {
+        // This needs to be locked because `DecompressBlobCacheData` is reading shared memory from
+        // `compressedValue.data()`.
+        std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+        if (!DecompressBlobCacheData(compressedValue.data(), compressedSize, uncompressedValueOut))
+        {
+            return GetAndDecompressResult::DecompressFailure;
+        }
+    }
+
+    return GetAndDecompressResult::GetSuccess;
+}
+
+void BlobCache::remove(const BlobCache::Key &key)
+{
+    std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+    mBlobCache.eraseByKey(key);
+}
+
+void BlobCache::setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get)
+{
+    std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+    mSetBlobFunc = set;
+    mGetBlobFunc = get;
+}
+
+bool BlobCache::areBlobCacheFuncsSet() const
+{
+    std::scoped_lock<std::mutex> lock(mBlobCacheMutex);
+    // Either none or both of the callbacks should be set.
+    ASSERT((mSetBlobFunc != nullptr) == (mGetBlobFunc != nullptr));
+
+    return mSetBlobFunc != nullptr && mGetBlobFunc != nullptr;
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/BlobCache.h b/gfx/angle/checkout/src/libANGLE/BlobCache.h
new file mode 100644
index 0000000000..772eee04aa
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/BlobCache.h
@@ -0,0 +1,182 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// BlobCache: Stores compiled and linked programs in memory so they don't
+//   always have to be re-compiled. Can be used in conjunction with the platform
+//   layer to warm up the cache from disk.
+
+#ifndef LIBANGLE_BLOB_CACHE_H_
+#define LIBANGLE_BLOB_CACHE_H_
+
+#include <array>
+#include <cstring>
+
+#include <anglebase/sha1.h>
+#include "common/MemoryBuffer.h"
+#include "common/hash_utils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/SizedMRUCache.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace egl
+{
+// 160-bit SHA-1 hash key used for hasing a program.  BlobCache opts in using fixed keys for
+// simplicity and efficiency.
+static constexpr size_t kBlobCacheKeyLength = angle::base::kSHA1Length;
+using BlobCacheKey                          = std::array<uint8_t, kBlobCacheKeyLength>;
+}  // namespace egl
+
+namespace std
+{
+template <>
+struct hash<egl::BlobCacheKey>
+{
+    // Simple routine to hash four ints.
+    size_t operator()(const egl::BlobCacheKey &key) const
+    {
+        return angle::ComputeGenericHash(key.data(), key.size());
+    }
+};
+}  // namespace std
+
+namespace egl
+{
+
+bool CompressBlobCacheData(const size_t cacheSize,
+                           const uint8_t *cacheData,
+                           angle::MemoryBuffer *compressedData);
+bool DecompressBlobCacheData(const uint8_t *compressedData,
+                             const size_t compressedSize,
+                             angle::MemoryBuffer *uncompressedData);
+
+class BlobCache final : angle::NonCopyable
+{
+  public:
+    // 160-bit SHA-1 hash key used for hasing a program.  BlobCache opts in using fixed keys for
+    // simplicity and efficiency.
+    static constexpr size_t kKeyLength = kBlobCacheKeyLength;
+    using Key                          = BlobCacheKey;
+    class Value
+    {
+      public:
+        Value() : mPtr(nullptr), mSize(0) {}
+        Value(const uint8_t *ptr, size_t sz) : mPtr(ptr), mSize(sz) {}
+
+        // A very basic struct to hold the pointer and size together.  The objects of this class
+        // don't own the memory.
+        const uint8_t *data() { return mPtr; }
+        size_t size() { return mSize; }
+
+        const uint8_t &operator[](size_t pos) const
+        {
+            ASSERT(pos < mSize);
+            return mPtr[pos];
+        }
+
+      private:
+        const uint8_t *mPtr;
+        size_t mSize;
+    };
+    enum class CacheSource
+    {
+        Memory,
+        Disk,
+    };
+
+    explicit BlobCache(size_t maxCacheSizeBytes);
+    ~BlobCache();
+
+    // Store a key-blob pair in the cache.  If application callbacks are set, the application cache
+    // will be used.  Otherwise the value is cached in this object.
+    void put(const BlobCache::Key &key, angle::MemoryBuffer &&value);
+
+    // Store a key-blob pair in the cache, but compress the blob before insertion. Returns false if
+    // compression fails, returns true otherwise.
+    bool compressAndPut(const BlobCache::Key &key,
+                        angle::MemoryBuffer &&uncompressedValue,
+                        size_t *compressedSize);
+
+    // Store a key-blob pair in the application cache, only if application callbacks are set.
+    void putApplication(const BlobCache::Key &key, const angle::MemoryBuffer &value);
+
+    // Store a key-blob pair in the cache without making callbacks to the application.  This is used
+    // to repopulate this object's cache on startup without generating callback calls.
+    void populate(const BlobCache::Key &key,
+                  angle::MemoryBuffer &&value,
+                  CacheSource source = CacheSource::Disk);
+
+    // Check if the cache contains the blob corresponding to this key.  If application callbacks are
+    // set, those will be used.  Otherwise they key is looked up in this object's cache.
+    [[nodiscard]] bool get(angle::ScratchBuffer *scratchBuffer,
+                           const BlobCache::Key &key,
+                           BlobCache::Value *valueOut,
+                           size_t *bufferSizeOut);
+
+    // For querying the contents of the cache.
+    [[nodiscard]] bool getAt(size_t index,
+                             const BlobCache::Key **keyOut,
+                             BlobCache::Value *valueOut);
+
+    enum class GetAndDecompressResult
+    {
+        GetSuccess,
+        NotFound,
+        DecompressFailure,
+    };
+    [[nodiscard]] GetAndDecompressResult getAndDecompress(
+        angle::ScratchBuffer *scratchBuffer,
+        const BlobCache::Key &key,
+        angle::MemoryBuffer *uncompressedValueOut);
+
+    // Evict a blob from the binary cache.
+    void remove(const BlobCache::Key &key);
+
+    // Empty the cache.
+    void clear() { mBlobCache.clear(); }
+
+    // Resize the cache. Discards current contents.
+    void resize(size_t maxCacheSizeBytes) { mBlobCache.resize(maxCacheSizeBytes); }
+
+    // Returns the number of entries in the cache.
+    size_t entryCount() const { return mBlobCache.entryCount(); }
+
+    // Reduces the current cache size and returns the number of bytes freed.
+    size_t trim(size_t limit) { return mBlobCache.shrinkToSize(limit); }
+
+    // Returns the current cache size in bytes.
+    size_t size() const { return mBlobCache.size(); }
+
+    // Returns whether the cache is empty
+    bool empty() const { return mBlobCache.empty(); }
+
+    // Returns the maximum cache size in bytes.
+    size_t maxSize() const { return mBlobCache.maxSize(); }
+
+    void setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
+
+    bool areBlobCacheFuncsSet() const;
+
+    bool isCachingEnabled() const { return areBlobCacheFuncsSet() || maxSize() > 0; }
+
+    std::mutex &getMutex() { return mBlobCacheMutex; }
+
+  private:
+    // This internal cache is used only if the application is not providing caching callbacks
+    using CacheEntry = std::pair<angle::MemoryBuffer, CacheSource>;
+
+    mutable std::mutex mBlobCacheMutex;
+    angle::SizedMRUCache<BlobCache::Key, CacheEntry> mBlobCache;
+
+    EGLSetBlobFuncANDROID mSetBlobFunc;
+    EGLGetBlobFuncANDROID mGetBlobFunc;
+};
+
+}  // namespace egl
+
+#endif  // LIBANGLE_MEMORY_PROGRAM_CACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Buffer.cpp b/gfx/angle/checkout/src/libANGLE/Buffer.cpp
new file mode 100644
index 0000000000..440cfd873a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Buffer.cpp
@@ -0,0 +1,449 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Buffer.cpp: Implements the gl::Buffer class, representing storage of vertex and/or
+// index data. Implements GL buffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 2.9 page 21.
+
+#include "libANGLE/Buffer.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/BufferImpl.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+
+namespace gl
+{
+namespace
+{
+constexpr angle::SubjectIndex kImplementationSubjectIndex = 0;
+constexpr size_t kInvalidContentsObserverIndex            = std::numeric_limits<size_t>::max();
+}  // anonymous namespace
+
+BufferState::BufferState()
+    : mLabel(),
+      mUsage(BufferUsage::StaticDraw),
+      mSize(0),
+      mAccessFlags(0),
+      mAccess(GL_WRITE_ONLY_OES),
+      mMapped(GL_FALSE),
+      mMapPointer(nullptr),
+      mMapOffset(0),
+      mMapLength(0),
+      mBindingCount(0),
+      mTransformFeedbackIndexedBindingCount(0),
+      mTransformFeedbackGenericBindingCount(0),
+      mImmutable(GL_FALSE),
+      mStorageExtUsageFlags(0),
+      mExternal(GL_FALSE)
+{}
+
+BufferState::~BufferState() {}
+
+Buffer::Buffer(rx::GLImplFactory *factory, BufferID id)
+    : RefCountObject(factory->generateSerial(), id),
+      mImpl(factory->createBuffer(mState)),
+      mImplObserver(this, kImplementationSubjectIndex)
+{
+    mImplObserver.bind(mImpl);
+}
+
+Buffer::~Buffer()
+{
+    SafeDelete(mImpl);
+}
+
+void Buffer::onDestroy(const Context *context)
+{
+    // In tests, mImpl might be null.
+    if (mImpl)
+        mImpl->destroy(context);
+}
+
+angle::Result Buffer::setLabel(const Context *context, const std::string &label)
+{
+    mState.mLabel = label;
+    if (mImpl)
+    {
+        return mImpl->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &Buffer::getLabel() const
+{
+    return mState.mLabel;
+}
+
+angle::Result Buffer::bufferStorageExternal(Context *context,
+                                            BufferBinding target,
+                                            GLsizeiptr size,
+                                            GLeglClientBufferEXT clientBuffer,
+                                            GLbitfield flags)
+{
+    return bufferExternalDataImpl(context, target, clientBuffer, size, flags);
+}
+
+angle::Result Buffer::bufferStorage(Context *context,
+                                    BufferBinding target,
+                                    GLsizeiptr size,
+                                    const void *data,
+                                    GLbitfield flags)
+{
+    return bufferDataImpl(context, target, data, size, BufferUsage::InvalidEnum, flags);
+}
+
+angle::Result Buffer::bufferData(Context *context,
+                                 BufferBinding target,
+                                 const void *data,
+                                 GLsizeiptr size,
+                                 BufferUsage usage)
+{
+    GLbitfield flags = (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT | GL_DYNAMIC_STORAGE_BIT_EXT);
+    return bufferDataImpl(context, target, data, size, usage, flags);
+}
+
+angle::Result Buffer::bufferDataImpl(Context *context,
+                                     BufferBinding target,
+                                     const void *data,
+                                     GLsizeiptr size,
+                                     BufferUsage usage,
+                                     GLbitfield flags)
+{
+    const void *dataForImpl = data;
+
+    if (mState.isMapped())
+    {
+        // Per the OpenGL ES 3.0 spec, buffers are implicity unmapped when a call to
+        // BufferData happens on a mapped buffer:
+        //
+        //     If any portion of the buffer object is mapped in the current context or any context
+        //     current to another thread, it is as though UnmapBuffer (see section 2.10.3) is
+        //     executed in each such context prior to deleting the existing data store.
+        //
+        GLboolean dontCare = GL_FALSE;
+        ANGLE_TRY(unmap(context, &dontCare));
+    }
+
+    // If we are using robust resource init, make sure the buffer starts cleared.
+    // Note: the Context is checked for nullptr because of some testing code.
+    // TODO(jmadill): Investigate lazier clearing.
+    if (context && context->isRobustResourceInitEnabled() && !data && size > 0)
+    {
+        angle::MemoryBuffer *scratchBuffer = nullptr;
+        ANGLE_CHECK_GL_ALLOC(
+            context, context->getZeroFilledBuffer(static_cast<size_t>(size), &scratchBuffer));
+        dataForImpl = scratchBuffer->data();
+    }
+
+    if (mImpl->setDataWithUsageFlags(context, target, nullptr, dataForImpl, size, usage, flags) ==
+        angle::Result::Stop)
+    {
+        // If setData fails, the buffer contents are undefined. Set a zero size to indicate that.
+        mIndexRangeCache.clear();
+        mState.mSize = 0;
+
+        // Notify when storage changes.
+        onStateChange(angle::SubjectMessage::SubjectChanged);
+
+        return angle::Result::Stop;
+    }
+
+    bool wholeBuffer = size == mState.mSize;
+
+    mIndexRangeCache.clear();
+    mState.mUsage                = usage;
+    mState.mSize                 = size;
+    mState.mImmutable            = (usage == BufferUsage::InvalidEnum);
+    mState.mStorageExtUsageFlags = flags;
+
+    // Notify when storage changes.
+    if (wholeBuffer)
+    {
+        onContentsChange();
+    }
+    else
+    {
+        onStateChange(angle::SubjectMessage::SubjectChanged);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer::bufferExternalDataImpl(Context *context,
+                                             BufferBinding target,
+                                             GLeglClientBufferEXT clientBuffer,
+                                             GLsizeiptr size,
+                                             GLbitfield flags)
+{
+    if (mState.isMapped())
+    {
+        // Per the OpenGL ES 3.0 spec, buffers are implicitly unmapped when a call to
+        // BufferData happens on a mapped buffer:
+        //
+        //     If any portion of the buffer object is mapped in the current context or any context
+        //     current to another thread, it is as though UnmapBuffer (see section 2.10.3) is
+        //     executed in each such context prior to deleting the existing data store.
+        //
+        GLboolean dontCare = GL_FALSE;
+        ANGLE_TRY(unmap(context, &dontCare));
+    }
+
+    if (mImpl->setDataWithUsageFlags(context, target, clientBuffer, nullptr, size,
+                                     BufferUsage::InvalidEnum, flags) == angle::Result::Stop)
+    {
+        // If setData fails, the buffer contents are undefined. Set a zero size to indicate that.
+        mIndexRangeCache.clear();
+        mState.mSize = 0;
+
+        // Notify when storage changes.
+        onStateChange(angle::SubjectMessage::SubjectChanged);
+
+        return angle::Result::Stop;
+    }
+
+    mIndexRangeCache.clear();
+    mState.mUsage                = BufferUsage::InvalidEnum;
+    mState.mSize                 = size;
+    mState.mImmutable            = GL_TRUE;
+    mState.mStorageExtUsageFlags = flags;
+    mState.mExternal             = GL_TRUE;
+
+    // Notify when storage changes.
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer::bufferSubData(const Context *context,
+                                    BufferBinding target,
+                                    const void *data,
+                                    GLsizeiptr size,
+                                    GLintptr offset)
+{
+    ANGLE_TRY(mImpl->setSubData(context, target, data, size, offset));
+
+    mIndexRangeCache.invalidateRange(static_cast<unsigned int>(offset),
+                                     static_cast<unsigned int>(size));
+
+    // Notify when data changes.
+    onContentsChange();
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer::copyBufferSubData(const Context *context,
+                                        Buffer *source,
+                                        GLintptr sourceOffset,
+                                        GLintptr destOffset,
+                                        GLsizeiptr size)
+{
+    ANGLE_TRY(
+        mImpl->copySubData(context, source->getImplementation(), sourceOffset, destOffset, size));
+
+    mIndexRangeCache.invalidateRange(static_cast<unsigned int>(destOffset),
+                                     static_cast<unsigned int>(size));
+
+    // Notify when data changes.
+    onContentsChange();
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer::map(const Context *context, GLenum access)
+{
+    ASSERT(!mState.mMapped);
+
+    mState.mMapPointer = nullptr;
+    ANGLE_TRY(mImpl->map(context, access, &mState.mMapPointer));
+
+    ASSERT(access == GL_WRITE_ONLY_OES);
+
+    mState.mMapped      = GL_TRUE;
+    mState.mMapOffset   = 0;
+    mState.mMapLength   = mState.mSize;
+    mState.mAccess      = access;
+    mState.mAccessFlags = GL_MAP_WRITE_BIT;
+    mIndexRangeCache.clear();
+
+    // Notify when state changes.
+    onStateChange(angle::SubjectMessage::SubjectMapped);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer::mapRange(const Context *context,
+                               GLintptr offset,
+                               GLsizeiptr length,
+                               GLbitfield access)
+{
+    ASSERT(!mState.mMapped);
+    ASSERT(offset + length <= mState.mSize);
+
+    mState.mMapPointer = nullptr;
+    ANGLE_TRY(mImpl->mapRange(context, offset, length, access, &mState.mMapPointer));
+
+    mState.mMapped      = GL_TRUE;
+    mState.mMapOffset   = static_cast<GLint64>(offset);
+    mState.mMapLength   = static_cast<GLint64>(length);
+    mState.mAccess      = GL_WRITE_ONLY_OES;
+    mState.mAccessFlags = access;
+
+    // The OES_mapbuffer extension states that GL_WRITE_ONLY_OES is the only valid
+    // value for GL_BUFFER_ACCESS_OES because it was written against ES2.  Since there is
+    // no update for ES3 and the GL_READ_ONLY and GL_READ_WRITE enums don't exist for ES,
+    // we cannot properly set GL_BUFFER_ACCESS_OES when glMapBufferRange is called.
+
+    if ((access & GL_MAP_WRITE_BIT) > 0)
+    {
+        mIndexRangeCache.invalidateRange(static_cast<unsigned int>(offset),
+                                         static_cast<unsigned int>(length));
+    }
+
+    // Notify when state changes.
+    onStateChange(angle::SubjectMessage::SubjectMapped);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer::unmap(const Context *context, GLboolean *result)
+{
+    ASSERT(mState.mMapped);
+
+    *result = GL_FALSE;
+    ANGLE_TRY(mImpl->unmap(context, result));
+
+    mState.mMapped      = GL_FALSE;
+    mState.mMapPointer  = nullptr;
+    mState.mMapOffset   = 0;
+    mState.mMapLength   = 0;
+    mState.mAccess      = GL_WRITE_ONLY_OES;
+    mState.mAccessFlags = 0;
+
+    // Notify when data changes.
+    onStateChange(angle::SubjectMessage::SubjectUnmapped);
+
+    return angle::Result::Continue;
+}
+
+void Buffer::onDataChanged()
+{
+    mIndexRangeCache.clear();
+
+    // Notify when data changes.
+    onContentsChange();
+
+    mImpl->onDataChanged();
+}
+
+angle::Result Buffer::getIndexRange(const gl::Context *context,
+                                    DrawElementsType type,
+                                    size_t offset,
+                                    size_t count,
+                                    bool primitiveRestartEnabled,
+                                    IndexRange *outRange) const
+{
+    if (mIndexRangeCache.findRange(type, offset, count, primitiveRestartEnabled, outRange))
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(
+        mImpl->getIndexRange(context, type, offset, count, primitiveRestartEnabled, outRange));
+
+    mIndexRangeCache.addRange(type, offset, count, primitiveRestartEnabled, *outRange);
+
+    return angle::Result::Continue;
+}
+
+GLint64 Buffer::getMemorySize() const
+{
+    GLint64 implSize = mImpl->getMemorySize();
+    return implSize > 0 ? implSize : mState.mSize;
+}
+
+bool Buffer::isDoubleBoundForTransformFeedback() const
+{
+    return mState.mTransformFeedbackIndexedBindingCount > 1;
+}
+
+void Buffer::onTFBindingChanged(const Context *context, bool bound, bool indexed)
+{
+    ASSERT(bound || mState.mBindingCount > 0);
+    mState.mBindingCount += bound ? 1 : -1;
+    if (indexed)
+    {
+        ASSERT(bound || mState.mTransformFeedbackIndexedBindingCount > 0);
+        mState.mTransformFeedbackIndexedBindingCount += bound ? 1 : -1;
+
+        onStateChange(angle::SubjectMessage::BindingChanged);
+    }
+    else
+    {
+        mState.mTransformFeedbackGenericBindingCount += bound ? 1 : -1;
+    }
+}
+
+angle::Result Buffer::getSubData(const gl::Context *context,
+                                 GLintptr offset,
+                                 GLsizeiptr size,
+                                 void *outData)
+{
+    return mImpl->getSubData(context, offset, size, outData);
+}
+
+void Buffer::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    // Pass it along!
+    ASSERT(index == kImplementationSubjectIndex);
+    ASSERT(message == angle::SubjectMessage::SubjectChanged ||
+           message == angle::SubjectMessage::InternalMemoryAllocationChanged);
+    onStateChange(message);
+}
+
+size_t Buffer::getContentsObserverIndex(VertexArray *vertexArray, uint32_t bufferIndex) const
+{
+    for (size_t observerIndex = 0; observerIndex < mContentsObservers.size(); ++observerIndex)
+    {
+        const ContentsObserver &observer = mContentsObservers[observerIndex];
+        if (observer.vertexArray == vertexArray && observer.bufferIndex == bufferIndex)
+        {
+            return observerIndex;
+        }
+    }
+
+    return kInvalidContentsObserverIndex;
+}
+
+void Buffer::addContentsObserver(VertexArray *vertexArray, uint32_t bufferIndex)
+{
+    if (getContentsObserverIndex(vertexArray, bufferIndex) == kInvalidContentsObserverIndex)
+    {
+        mContentsObservers.push_back({vertexArray, bufferIndex});
+    }
+}
+
+void Buffer::removeContentsObserver(VertexArray *vertexArray, uint32_t bufferIndex)
+{
+    size_t foundObserver = getContentsObserverIndex(vertexArray, bufferIndex);
+    if (foundObserver != kInvalidContentsObserverIndex)
+    {
+        size_t lastObserverIndex = mContentsObservers.size() - 1;
+        if (foundObserver != lastObserverIndex)
+        {
+            mContentsObservers[foundObserver] = mContentsObservers[lastObserverIndex];
+        }
+        mContentsObservers.pop_back();
+    }
+}
+
+void Buffer::onContentsChange()
+{
+    for (const ContentsObserver &observer : mContentsObservers)
+    {
+        observer.vertexArray->onBufferContentsChange(observer.bufferIndex);
+    }
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Buffer.h b/gfx/angle/checkout/src/libANGLE/Buffer.h
new file mode 100644
index 0000000000..b71f6af89b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Buffer.h
@@ -0,0 +1,218 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Buffer.h: Defines the gl::Buffer class, representing storage of vertex and/or
+// index data. Implements GL buffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 2.9 page 21.
+
+#ifndef LIBANGLE_BUFFER_H_
+#define LIBANGLE_BUFFER_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/IndexRangeCache.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+class BufferImpl;
+class GLImplFactory;
+}  // namespace rx
+
+namespace gl
+{
+class Buffer;
+class Context;
+
+class BufferState final : angle::NonCopyable
+{
+  public:
+    BufferState();
+    ~BufferState();
+
+    BufferUsage getUsage() const { return mUsage; }
+    GLbitfield getAccessFlags() const { return mAccessFlags; }
+    GLenum getAccess() const { return mAccess; }
+    GLboolean isMapped() const { return mMapped; }
+    void *getMapPointer() const { return mMapPointer; }
+    GLint64 getMapOffset() const { return mMapOffset; }
+    GLint64 getMapLength() const { return mMapLength; }
+    GLint64 getSize() const { return mSize; }
+    bool isBoundForTransformFeedback() const { return mTransformFeedbackIndexedBindingCount != 0; }
+    std::string getLabel() const { return mLabel; }
+
+  private:
+    friend class Buffer;
+
+    std::string mLabel;
+
+    BufferUsage mUsage;
+    GLint64 mSize;
+    GLbitfield mAccessFlags;
+    GLenum mAccess;
+    GLboolean mMapped;
+    void *mMapPointer;
+    GLint64 mMapOffset;
+    GLint64 mMapLength;
+    int mBindingCount;
+    int mTransformFeedbackIndexedBindingCount;
+    int mTransformFeedbackGenericBindingCount;
+    GLboolean mImmutable;
+    GLbitfield mStorageExtUsageFlags;
+    GLboolean mExternal;
+};
+
+// Some Vertex Array Objects track buffer data updates.
+struct ContentsObserver
+{
+    VertexArray *vertexArray = nullptr;
+    uint32_t bufferIndex     = 0;
+};
+
+ANGLE_INLINE bool operator==(const ContentsObserver &lhs, const ContentsObserver &rhs)
+{
+    return lhs.vertexArray == rhs.vertexArray && lhs.bufferIndex == rhs.bufferIndex;
+}
+
+class Buffer final : public RefCountObject<BufferID>,
+                     public LabeledObject,
+                     public angle::ObserverInterface,
+                     public angle::Subject
+{
+  public:
+    Buffer(rx::GLImplFactory *factory, BufferID id);
+    ~Buffer() override;
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    angle::Result bufferStorageExternal(Context *context,
+                                        BufferBinding target,
+                                        GLsizeiptr size,
+                                        GLeglClientBufferEXT clientBuffer,
+                                        GLbitfield flags);
+    angle::Result bufferStorage(Context *context,
+                                BufferBinding target,
+                                GLsizeiptr size,
+                                const void *data,
+                                GLbitfield flags);
+    angle::Result bufferData(Context *context,
+                             BufferBinding target,
+                             const void *data,
+                             GLsizeiptr size,
+                             BufferUsage usage);
+    angle::Result bufferSubData(const Context *context,
+                                BufferBinding target,
+                                const void *data,
+                                GLsizeiptr size,
+                                GLintptr offset);
+    angle::Result copyBufferSubData(const Context *context,
+                                    Buffer *source,
+                                    GLintptr sourceOffset,
+                                    GLintptr destOffset,
+                                    GLsizeiptr size);
+    angle::Result map(const Context *context, GLenum access);
+    angle::Result mapRange(const Context *context,
+                           GLintptr offset,
+                           GLsizeiptr length,
+                           GLbitfield access);
+    angle::Result unmap(const Context *context, GLboolean *result);
+
+    // These are called when another operation changes Buffer data.
+    void onDataChanged();
+
+    angle::Result getIndexRange(const gl::Context *context,
+                                DrawElementsType type,
+                                size_t offset,
+                                size_t count,
+                                bool primitiveRestartEnabled,
+                                IndexRange *outRange) const;
+    const BufferState &getState() const { return mState; }
+    BufferUsage getUsage() const { return mState.mUsage; }
+    GLbitfield getAccessFlags() const { return mState.mAccessFlags; }
+    GLenum getAccess() const { return mState.mAccess; }
+    GLboolean isMapped() const { return mState.mMapped; }
+    bool isPersistentlyMapped() const
+    {
+        return (mState.mStorageExtUsageFlags & GL_MAP_PERSISTENT_BIT_EXT) != 0;
+    }
+    void *getMapPointer() const { return mState.mMapPointer; }
+    GLint64 getMapOffset() const { return mState.mMapOffset; }
+    GLint64 getMapLength() const { return mState.mMapLength; }
+    GLint64 getSize() const { return mState.mSize; }
+    GLint64 getMemorySize() const;
+    GLboolean isImmutable() const { return mState.mImmutable; }
+    GLbitfield getStorageExtUsageFlags() const { return mState.mStorageExtUsageFlags; }
+
+    // Buffers are always initialized immediately when allocated
+    InitState initState() const { return InitState::Initialized; }
+
+    rx::BufferImpl *getImplementation() const { return mImpl; }
+
+    // Note: we pass "isWebGL" to this function to clarify it's only valid if WebGL is enabled.
+    // We pass the boolean flag instead of the pointer because this header can't read Context.h.
+    ANGLE_INLINE bool hasWebGLXFBBindingConflict(bool isWebGL) const
+    {
+        if (!isWebGL)
+        {
+            return false;
+        }
+
+        // The transform feedback generic binding point is not an indexed binding point but it also
+        // does not count as a non-transform-feedback use of the buffer, so we subtract it from the
+        // binding count when checking if the buffer is bound to a non-transform-feedback location.
+        // See https://crbug.com/853978
+        return mState.mTransformFeedbackIndexedBindingCount > 0 &&
+               mState.mTransformFeedbackIndexedBindingCount !=
+                   mState.mBindingCount - mState.mTransformFeedbackGenericBindingCount;
+    }
+
+    bool isDoubleBoundForTransformFeedback() const;
+    void onTFBindingChanged(const Context *context, bool bound, bool indexed);
+    void onNonTFBindingChanged(int incr) { mState.mBindingCount += incr; }
+    angle::Result getSubData(const gl::Context *context,
+                             GLintptr offset,
+                             GLsizeiptr size,
+                             void *outData);
+
+    // angle::ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    void addContentsObserver(VertexArray *vertexArray, uint32_t bufferIndex);
+    void removeContentsObserver(VertexArray *vertexArray, uint32_t bufferIndex);
+
+  private:
+    angle::Result bufferDataImpl(Context *context,
+                                 BufferBinding target,
+                                 const void *data,
+                                 GLsizeiptr size,
+                                 BufferUsage usage,
+                                 GLbitfield flags);
+    angle::Result bufferExternalDataImpl(Context *context,
+                                         BufferBinding target,
+                                         GLeglClientBufferEXT clientBuffer,
+                                         GLsizeiptr size,
+                                         GLbitfield flags);
+
+    void onContentsChange();
+    size_t getContentsObserverIndex(VertexArray *vertexArray, uint32_t bufferIndex) const;
+
+    BufferState mState;
+    rx::BufferImpl *mImpl;
+    angle::ObserverBinding mImplObserver;
+
+    angle::FastVector<ContentsObserver, angle::kMaxFixedObservers> mContentsObservers;
+    mutable IndexRangeCache mIndexRangeCache;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_BUFFER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Caps.cpp b/gfx/angle/checkout/src/libANGLE/Caps.cpp
new file mode 100644
index 0000000000..d0b27ebbc2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Caps.cpp
@@ -0,0 +1,1371 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "libANGLE/Caps.h"
+
+#include "common/angleutils.h"
+#include "common/debug.h"
+
+#include "libANGLE/formatutils.h"
+
+#include "angle_gl.h"
+
+#include <algorithm>
+#include <sstream>
+
+static void InsertExtensionString(const std::string &extension,
+                                  bool supported,
+                                  std::vector<std::string> *extensionVector)
+{
+    if (supported)
+    {
+        extensionVector->push_back(extension);
+    }
+}
+
+namespace gl
+{
+
+TextureCaps::TextureCaps() = default;
+
+TextureCaps::TextureCaps(const TextureCaps &other) = default;
+
+TextureCaps &TextureCaps::operator=(const TextureCaps &other) = default;
+
+TextureCaps::~TextureCaps() = default;
+
+GLuint TextureCaps::getMaxSamples() const
+{
+    return !sampleCounts.empty() ? *sampleCounts.rbegin() : 0;
+}
+
+GLuint TextureCaps::getNearestSamples(GLuint requestedSamples) const
+{
+    if (requestedSamples == 0)
+    {
+        return 0;
+    }
+
+    for (SupportedSampleSet::const_iterator i = sampleCounts.begin(); i != sampleCounts.end(); i++)
+    {
+        GLuint samples = *i;
+        if (samples >= requestedSamples)
+        {
+            return samples;
+        }
+    }
+
+    return 0;
+}
+
+TextureCaps GenerateMinimumTextureCaps(GLenum sizedInternalFormat,
+                                       const Version &clientVersion,
+                                       const Extensions &extensions)
+{
+    TextureCaps caps;
+
+    const InternalFormat &internalFormatInfo = GetSizedInternalFormatInfo(sizedInternalFormat);
+    caps.texturable        = internalFormatInfo.textureSupport(clientVersion, extensions);
+    caps.filterable        = internalFormatInfo.filterSupport(clientVersion, extensions);
+    caps.textureAttachment = internalFormatInfo.textureAttachmentSupport(clientVersion, extensions);
+    caps.renderbuffer      = internalFormatInfo.renderbufferSupport(clientVersion, extensions);
+    caps.blendable         = internalFormatInfo.blendSupport(clientVersion, extensions);
+
+    caps.sampleCounts.insert(0);
+    if (internalFormatInfo.isRequiredRenderbufferFormat(clientVersion))
+    {
+        if ((clientVersion.major >= 3 && clientVersion.minor >= 1) ||
+            (clientVersion.major >= 3 && !internalFormatInfo.isInt()))
+        {
+            caps.sampleCounts.insert(4);
+        }
+    }
+
+    return caps;
+}
+
+TextureCapsMap::TextureCapsMap() {}
+
+TextureCapsMap::~TextureCapsMap() {}
+
+void TextureCapsMap::insert(GLenum internalFormat, const TextureCaps &caps)
+{
+    angle::FormatID formatID = angle::Format::InternalFormatToID(internalFormat);
+    get(formatID)            = caps;
+}
+
+void TextureCapsMap::clear()
+{
+    mFormatData.fill(TextureCaps());
+}
+
+const TextureCaps &TextureCapsMap::get(GLenum internalFormat) const
+{
+    angle::FormatID formatID = angle::Format::InternalFormatToID(internalFormat);
+    return get(formatID);
+}
+
+const TextureCaps &TextureCapsMap::get(angle::FormatID formatID) const
+{
+    return mFormatData[formatID];
+}
+
+TextureCaps &TextureCapsMap::get(angle::FormatID formatID)
+{
+    return mFormatData[formatID];
+}
+
+void TextureCapsMap::set(angle::FormatID formatID, const TextureCaps &caps)
+{
+    get(formatID) = caps;
+}
+
+void InitMinimumTextureCapsMap(const Version &clientVersion,
+                               const Extensions &extensions,
+                               TextureCapsMap *capsMap)
+{
+    for (GLenum internalFormat : GetAllSizedInternalFormats())
+    {
+        capsMap->insert(internalFormat,
+                        GenerateMinimumTextureCaps(internalFormat, clientVersion, extensions));
+    }
+}
+
+Extensions::Extensions() = default;
+
+Extensions::Extensions(const Extensions &other) = default;
+
+Extensions &Extensions::operator=(const Extensions &other) = default;
+
+std::vector<std::string> Extensions::getStrings() const
+{
+    std::vector<std::string> extensionStrings;
+
+    for (const auto &extensionInfo : GetExtensionInfoMap())
+    {
+        if (this->*(extensionInfo.second.ExtensionsMember))
+        {
+            extensionStrings.push_back(extensionInfo.first);
+        }
+    }
+
+    return extensionStrings;
+}
+
+Limitations::Limitations()                         = default;
+Limitations::Limitations(const Limitations &other) = default;
+
+Limitations &Limitations::operator=(const Limitations &other) = default;
+
+static bool GetFormatSupportBase(const TextureCapsMap &textureCaps,
+                                 const GLenum *requiredFormats,
+                                 size_t requiredFormatsSize,
+                                 bool requiresTexturing,
+                                 bool requiresFiltering,
+                                 bool requiresAttachingTexture,
+                                 bool requiresRenderbufferSupport,
+                                 bool requiresBlending)
+{
+    for (size_t i = 0; i < requiredFormatsSize; i++)
+    {
+        const TextureCaps &cap = textureCaps.get(requiredFormats[i]);
+        if (requiresTexturing && !cap.texturable)
+        {
+            return false;
+        }
+
+        if (requiresFiltering && !cap.filterable)
+        {
+            return false;
+        }
+
+        if (requiresAttachingTexture && !cap.textureAttachment)
+        {
+            return false;
+        }
+
+        if (requiresRenderbufferSupport && !cap.renderbuffer)
+        {
+            return false;
+        }
+
+        if (requiresBlending && !cap.blendable)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+template <size_t N>
+static bool GetFormatSupport(const TextureCapsMap &textureCaps,
+                             const GLenum (&requiredFormats)[N],
+                             bool requiresTexturing,
+                             bool requiresFiltering,
+                             bool requiresAttachingTexture,
+                             bool requiresRenderbufferSupport,
+                             bool requiresBlending)
+{
+    return GetFormatSupportBase(textureCaps, requiredFormats, N, requiresTexturing,
+                                requiresFiltering, requiresAttachingTexture,
+                                requiresRenderbufferSupport, requiresBlending);
+}
+
+// Check for GL_OES_packed_depth_stencil support
+static bool DeterminePackedDepthStencilSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_DEPTH24_STENCIL8,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
+}
+
+// Checks for GL_NV_read_depth support
+static bool DetermineReadDepthSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_DEPTH_COMPONENT16,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
+}
+
+// Checks for GL_NV_read_stencil support
+static bool DetermineReadStencilSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_STENCIL_INDEX8,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, false, true, false, false);
+}
+
+// Checks for GL_NV_depth_buffer_float2 support
+static bool DetermineDepthBufferFloat2Support(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_DEPTH_COMPONENT32F,
+        GL_DEPTH32F_STENCIL8,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
+}
+
+// Checks for GL_OES_rgb8_rgba8 support
+static bool DetermineRGB8AndRGBA8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_RGB8,
+        GL_RGBA8,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false);
+}
+
+// Checks for GL_EXT_texture_format_BGRA8888 support
+static bool DetermineBGRA8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_BGRA8_EXT,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false);
+}
+
+// Checks for GL_EXT_read_format_bgra support
+static bool DetermineBGRAReadFormatSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_BGRA8_EXT,
+        // TODO(http://anglebug.com/4302): GL_EXT_read_format_bgra specifies 2 more types, which are
+        // currently ignored. The equivalent formats would be: GL_BGRA4_ANGLEX, GL_BGR5_A1_ANGLEX
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
+}
+
+// Checks for GL_OES_color_buffer_half_float support
+static bool DetermineColorBufferHalfFloatSupport(const TextureCapsMap &textureCaps)
+{
+    // EXT_color_buffer_half_float issue #2 states that an implementation doesn't need to support
+    // rendering to any of the formats but is expected to be able to render to at least one. WebGL
+    // requires that at least RGBA16F is renderable so we make the same requirement.
+    constexpr GLenum requiredFormats[] = {
+        GL_RGBA16F,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
+}
+
+// Checks for GL_OES_texture_half_float support
+static bool DetermineHalfFloatTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_RGBA16F, GL_RGB16F, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT, GL_ALPHA16F_EXT,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false);
+}
+
+// Checks for GL_OES_texture_half_float_linear support
+static bool DetermineHalfFloatTextureFilteringSupport(const TextureCapsMap &textureCaps,
+                                                      bool checkLegacyFormats)
+{
+    constexpr GLenum requiredFormats[] = {GL_RGBA16F, GL_RGB16F};
+    // If GL_OES_texture_half_float is present, this extension must also support legacy formats
+    // introduced by that extension
+    constexpr GLenum requiredFormatsES2[] = {GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT,
+                                             GL_ALPHA16F_EXT};
+
+    if (checkLegacyFormats &&
+        !GetFormatSupport(textureCaps, requiredFormatsES2, false, true, false, false, false))
+    {
+        return false;
+    }
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, true, false, false, false);
+}
+
+// Checks for GL_OES_texture_float support
+static bool DetermineFloatTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_RGBA32F, GL_RGB32F, GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE32F_EXT, GL_ALPHA32F_EXT,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false);
+}
+
+// Checks for GL_OES_texture_float_linear support
+static bool DetermineFloatTextureFilteringSupport(const TextureCapsMap &textureCaps,
+                                                  bool checkLegacyFormats)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_RGBA32F,
+        GL_RGB32F,
+    };
+    // If GL_OES_texture_float is present, this extension must also support legacy formats
+    // introduced by that extension
+    constexpr GLenum requiredFormatsES2[] = {
+        GL_LUMINANCE_ALPHA32F_EXT,
+        GL_LUMINANCE32F_EXT,
+        GL_ALPHA32F_EXT,
+    };
+
+    if (checkLegacyFormats &&
+        !GetFormatSupport(textureCaps, requiredFormatsES2, false, true, false, false, false))
+    {
+        return false;
+    }
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, true, false, false, false);
+}
+
+// Checks for GL_EXT_texture_rg support
+static bool DetermineRGTextureSupport(const TextureCapsMap &textureCaps,
+                                      bool checkHalfFloatFormats,
+                                      bool checkFloatFormats)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_R8,
+        GL_RG8,
+    };
+    constexpr GLenum requiredHalfFloatFormats[] = {
+        GL_R16F,
+        GL_RG16F,
+    };
+    constexpr GLenum requiredFloatFormats[] = {
+        GL_R32F,
+        GL_RG32F,
+    };
+
+    if (checkHalfFloatFormats &&
+        !GetFormatSupport(textureCaps, requiredHalfFloatFormats, true, false, false, false, false))
+    {
+        return false;
+    }
+
+    if (checkFloatFormats &&
+        !GetFormatSupport(textureCaps, requiredFloatFormats, true, false, false, false, false))
+    {
+        return false;
+    }
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false);
+}
+
+static bool DetermineTextureFormat2101010Support(const TextureCapsMap &textureCaps)
+{
+    // GL_EXT_texture_type_2_10_10_10_REV specifies both RGBA and RGB support whereas desktop GL
+    // only specifies RGBA support, so check both RGBA and RGB before marking as supported.
+    constexpr GLenum requiredFormats[] = {
+        GL_RGB10_A2,
+        GL_RGB10_UNORM_ANGLEX,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_EXT_texture_compression_dxt1 support
+static bool DetermineDXT1TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
+        GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_ANGLE_texture_compression_dxt3 support
+static bool DetermineDXT3TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_ANGLE_texture_compression_dxt5 support
+static bool DetermineDXT5TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_EXT_texture_compression_s3tc_srgb support
+static bool DetermineS3TCsRGBTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_SRGB_S3TC_DXT1_EXT,
+        GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,
+        GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT,
+        GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_KHR_texture_compression_astc_ldr support
+static bool DetermineASTCLDRTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGBA_ASTC_4x4_KHR,           GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
+        GL_COMPRESSED_RGBA_ASTC_5x5_KHR,           GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
+        GL_COMPRESSED_RGBA_ASTC_6x6_KHR,           GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
+        GL_COMPRESSED_RGBA_ASTC_8x6_KHR,           GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
+        GL_COMPRESSED_RGBA_ASTC_10x5_KHR,          GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
+        GL_COMPRESSED_RGBA_ASTC_10x8_KHR,          GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
+        GL_COMPRESSED_RGBA_ASTC_12x10_KHR,         GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR,   GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR,   GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR,   GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR,   GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR,  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR,  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_OES_texture_compression_astc support
+static bool DetermineASTCOESTExtureSupport(const TextureCapsMap &textureCaps)
+{
+    if (!DetermineASTCLDRTextureSupport(textureCaps))
+    {
+        return false;
+    }
+
+    // The OES version of the extension also requires the 3D ASTC formats
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGBA_ASTC_3x3x3_OES,         GL_COMPRESSED_RGBA_ASTC_4x3x3_OES,
+        GL_COMPRESSED_RGBA_ASTC_4x4x3_OES,         GL_COMPRESSED_RGBA_ASTC_4x4x4_OES,
+        GL_COMPRESSED_RGBA_ASTC_5x4x4_OES,         GL_COMPRESSED_RGBA_ASTC_5x5x4_OES,
+        GL_COMPRESSED_RGBA_ASTC_5x5x5_OES,         GL_COMPRESSED_RGBA_ASTC_6x5x5_OES,
+        GL_COMPRESSED_RGBA_ASTC_6x6x5_OES,         GL_COMPRESSED_RGBA_ASTC_6x6x6_OES,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES,
+        GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_ETC1_RGB8_OES support
+static bool DetermineETC1RGB8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_ETC1_RGB8_OES,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_ETC2_RGB8_texture support
+static bool DetermineETC2RGB8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGB8_ETC2,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_ETC2_sRGB8_texture support
+static bool DetermineETC2sRGB8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_SRGB8_ETC2,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_ETC2_punchthroughA_RGBA8_texture support
+static bool DetermineETC2PunchthroughARGB8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture support
+static bool DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_ETC2_RGBA8_texture support
+static bool DetermineETC2RGBA8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGBA8_ETC2_EAC,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_ETC2_sRGB8_alpha8_texture support
+static bool DetermineETC2sRGB8Alpha8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_EAC_R11_unsigned_texture support
+static bool DetermineEACR11UnsignedTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_R11_EAC,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_EAC_R11_signed_texture support
+static bool DetermineEACR11SignedTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_SIGNED_R11_EAC,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_EAC_RG11_unsigned_texture support
+static bool DetermineEACRG11UnsignedTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RG11_EAC,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for OES_compressed_EAC_RG11_signed_texture support
+static bool DetermineEACRG11SignedTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_SIGNED_RG11_EAC,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_EXT_sRGB support
+static bool DetermineSRGBTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFilterFormats[] = {
+        GL_SRGB8,
+        GL_SRGB8_ALPHA8,
+    };
+
+    constexpr GLenum requiredRenderFormats[] = {
+        GL_SRGB8_ALPHA8,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false) &&
+           GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false);
+}
+
+// Check for GL_EXT_texture_sRGB_R8 support
+static bool DetermineSRGBR8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFilterFormats[] = {GL_SR8_EXT};
+
+    return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false);
+}
+
+// Check for GL_EXT_texture_sRGB_RG8 support
+static bool DetermineSRGBRG8TextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFilterFormats[] = {GL_SRG8_EXT};
+
+    return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false);
+}
+
+// Check for GL_ANGLE_depth_texture support
+static bool DetermineDepthTextureANGLESupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_DEPTH_COMPONENT16,
+#if !defined(ANGLE_PLATFORM_IOS) && \
+    (!defined(ANGLE_PLATFORM_MACCATALYST) || !defined(ANGLE_CPU_ARM64))
+        // anglebug.com/6082
+        // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES
+        // because it is not supported on iOS.
+        // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac.
+        GL_DEPTH_COMPONENT32_OES,
+#endif
+        GL_DEPTH24_STENCIL8_OES,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
+}
+
+// Check for GL_OES_depth_texture support
+static bool DetermineDepthTextureOESSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_DEPTH_COMPONENT16,
+#if !defined(ANGLE_PLATFORM_IOS) && \
+    (!defined(ANGLE_PLATFORM_MACCATALYST) || !defined(ANGLE_CPU_ARM64))
+        // anglebug.com/6082
+        // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES
+        // because it is not supported on iOS.
+        // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac.
+        GL_DEPTH_COMPONENT32_OES,
+#endif
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
+}
+
+// Check for GL_OES_depth24
+static bool DetermineDepth24OESSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_DEPTH_COMPONENT24_OES,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false);
+}
+
+// Check for GL_OES_depth32 support
+static bool DetermineDepth32Support(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_DEPTH_COMPONENT32_OES,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false);
+}
+
+// Check for GL_CHROMIUM_color_buffer_float_rgb support
+static bool DetermineColorBufferFloatRGBSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_RGB32F,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
+}
+
+// Check for GL_CHROMIUM_color_buffer_float_rgba support
+static bool DetermineColorBufferFloatRGBASupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_RGBA32F,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
+}
+
+// Check for GL_EXT_color_buffer_float support
+static bool DetermineColorBufferFloatSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum nonBlendableFormats[] = {
+        GL_R32F,
+        GL_RG32F,
+        GL_RGBA32F,
+    };
+
+    constexpr GLenum blendableFormats[] = {
+        GL_R16F,
+        GL_RG16F,
+        GL_RGBA16F,
+        GL_R11F_G11F_B10F,
+    };
+
+    return GetFormatSupport(textureCaps, nonBlendableFormats, true, false, true, true, false) &&
+           GetFormatSupport(textureCaps, blendableFormats, true, false, true, true, true);
+}
+
+// Check for GL_EXT_float_blend support
+static bool DetermineFloatBlendSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_R32F,
+        GL_RG32F,
+        GL_RGBA32F,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, true);
+}
+
+// Check for GL_EXT_texture_norm16 support
+static bool DetermineTextureNorm16Support(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFilterFormats[] = {
+        GL_R16_EXT,       GL_RG16_EXT,       GL_RGB16_EXT,       GL_RGBA16_EXT,
+        GL_R16_SNORM_EXT, GL_RG16_SNORM_EXT, GL_RGB16_SNORM_EXT, GL_RGBA16_SNORM_EXT,
+    };
+
+    constexpr GLenum requiredRenderFormats[] = {
+        GL_R16_EXT,
+        GL_RG16_EXT,
+        GL_RGBA16_EXT,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false) &&
+           GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false);
+}
+
+// Check for EXT_texture_compression_rgtc support
+static bool DetermineRGTCTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RED_RGTC1_EXT, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT,
+        GL_COMPRESSED_RED_GREEN_RGTC2_EXT, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT};
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for EXT_texture_compression_bptc support
+static bool DetermineBPTCTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT,
+        GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT};
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_IMG_texture_compression_pvrtc support
+static bool DeterminePVRTCTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG,
+        GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG};
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Check for GL_EXT_pvrtc_sRGB support
+static bool DeterminePVRTCsRGBTextureSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT,
+        GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT};
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+bool DetermineCompressedTextureETCSupport(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {GL_COMPRESSED_R11_EAC,
+                                          GL_COMPRESSED_SIGNED_R11_EAC,
+                                          GL_COMPRESSED_RG11_EAC,
+                                          GL_COMPRESSED_SIGNED_RG11_EAC,
+                                          GL_COMPRESSED_RGB8_ETC2,
+                                          GL_COMPRESSED_SRGB8_ETC2,
+                                          GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
+                                          GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
+                                          GL_COMPRESSED_RGBA8_ETC2_EAC,
+                                          GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC};
+
+    return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false);
+}
+
+// Checks for GL_OES_texture_stencil8 support
+static bool DetermineStencilIndex8Support(const TextureCapsMap &textureCaps)
+{
+    constexpr GLenum requiredFormats[] = {
+        GL_STENCIL_INDEX8,
+    };
+
+    return GetFormatSupport(textureCaps, requiredFormats, false, false, true, false, false);
+}
+
+void Extensions::setTextureExtensionSupport(const TextureCapsMap &textureCaps)
+{
+    // TODO(ynovikov): rgb8Rgba8OES, colorBufferHalfFloatEXT, textureHalfFloatOES,
+    // textureHalfFloatLinearOES, textureFloatOES, textureFloatLinearOES, textureRgEXT, sRGB,
+    // colorBufferFloatRgbCHROMIUM, colorBufferFloatRgbaCHROMIUM and colorBufferFloatEXT were
+    // verified. Verify the rest.
+    packedDepthStencilOES    = DeterminePackedDepthStencilSupport(textureCaps);
+    rgb8Rgba8OES             = DetermineRGB8AndRGBA8TextureSupport(textureCaps);
+    readDepthNV              = DetermineReadDepthSupport(textureCaps);
+    readStencilNV            = DetermineReadStencilSupport(textureCaps);
+    depthBufferFloat2NV      = DetermineDepthBufferFloat2Support(textureCaps);
+    textureFormatBGRA8888EXT = DetermineBGRA8TextureSupport(textureCaps);
+    readFormatBgraEXT        = DetermineBGRAReadFormatSupport(textureCaps);
+    textureHalfFloatOES      = DetermineHalfFloatTextureSupport(textureCaps);
+    textureHalfFloatLinearOES =
+        DetermineHalfFloatTextureFilteringSupport(textureCaps, textureHalfFloatOES);
+    textureFloatOES       = DetermineFloatTextureSupport(textureCaps);
+    textureFloatLinearOES = DetermineFloatTextureFilteringSupport(textureCaps, textureFloatOES);
+    textureRgEXT = DetermineRGTextureSupport(textureCaps, textureHalfFloatOES, textureFloatOES);
+    colorBufferHalfFloatEXT =
+        textureHalfFloatOES && DetermineColorBufferHalfFloatSupport(textureCaps);
+    textureType2101010REVEXT      = DetermineTextureFormat2101010Support(textureCaps);
+    textureCompressionDxt1EXT     = DetermineDXT1TextureSupport(textureCaps);
+    textureCompressionDxt3ANGLE   = DetermineDXT3TextureSupport(textureCaps);
+    textureCompressionDxt5ANGLE   = DetermineDXT5TextureSupport(textureCaps);
+    textureCompressionS3tcSrgbEXT = DetermineS3TCsRGBTextureSupport(textureCaps);
+    textureCompressionAstcLdrKHR  = DetermineASTCLDRTextureSupport(textureCaps);
+    textureCompressionAstcOES     = DetermineASTCOESTExtureSupport(textureCaps);
+    compressedETC1RGB8TextureOES  = DetermineETC1RGB8TextureSupport(textureCaps);
+    compressedETC2RGB8TextureOES  = DetermineETC2RGB8TextureSupport(textureCaps);
+    compressedETC2SRGB8TextureOES = DetermineETC2sRGB8TextureSupport(textureCaps);
+    compressedETC2PunchthroughARGBA8TextureOES =
+        DetermineETC2PunchthroughARGB8TextureSupport(textureCaps);
+    compressedETC2PunchthroughASRGB8AlphaTextureOES =
+        DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(textureCaps);
+    compressedETC2RGBA8TextureOES       = DetermineETC2RGBA8TextureSupport(textureCaps);
+    compressedETC2SRGB8Alpha8TextureOES = DetermineETC2sRGB8Alpha8TextureSupport(textureCaps);
+    compressedEACR11UnsignedTextureOES  = DetermineEACR11UnsignedTextureSupport(textureCaps);
+    compressedEACR11SignedTextureOES    = DetermineEACR11SignedTextureSupport(textureCaps);
+    compressedEACRG11UnsignedTextureOES = DetermineEACRG11UnsignedTextureSupport(textureCaps);
+    compressedEACRG11SignedTextureOES   = DetermineEACRG11SignedTextureSupport(textureCaps);
+    sRGBEXT                             = DetermineSRGBTextureSupport(textureCaps);
+    textureSRGBR8EXT                    = DetermineSRGBR8TextureSupport(textureCaps);
+    textureSRGBRG8EXT                   = DetermineSRGBRG8TextureSupport(textureCaps);
+    depthTextureANGLE                   = DetermineDepthTextureANGLESupport(textureCaps);
+    depthTextureOES                     = DetermineDepthTextureOESSupport(textureCaps);
+    depth24OES                          = DetermineDepth24OESSupport(textureCaps);
+    depth32OES                          = DetermineDepth32Support(textureCaps);
+    colorBufferFloatRgbCHROMIUM         = DetermineColorBufferFloatRGBSupport(textureCaps);
+    colorBufferFloatRgbaCHROMIUM        = DetermineColorBufferFloatRGBASupport(textureCaps);
+    colorBufferFloatEXT                 = DetermineColorBufferFloatSupport(textureCaps);
+    floatBlendEXT                       = DetermineFloatBlendSupport(textureCaps);
+    textureNorm16EXT                    = DetermineTextureNorm16Support(textureCaps);
+    textureCompressionRgtcEXT           = DetermineRGTCTextureSupport(textureCaps);
+    textureCompressionBptcEXT           = DetermineBPTCTextureSupport(textureCaps);
+    textureCompressionPvrtcIMG          = DeterminePVRTCTextureSupport(textureCaps);
+    pvrtcSRGBEXT                        = DeterminePVRTCsRGBTextureSupport(textureCaps);
+    textureStencil8OES                  = DetermineStencilIndex8Support(textureCaps);
+}
+
+TypePrecision::TypePrecision() = default;
+
+TypePrecision::TypePrecision(const TypePrecision &other) = default;
+
+TypePrecision &TypePrecision::operator=(const TypePrecision &other) = default;
+
+void TypePrecision::setIEEEFloat()
+{
+    range     = {{127, 127}};
+    precision = 23;
+}
+
+void TypePrecision::setIEEEHalfFloat()
+{
+    range     = {{15, 15}};
+    precision = 10;
+}
+
+void TypePrecision::setTwosComplementInt(unsigned int bits)
+{
+    range     = {{static_cast<GLint>(bits) - 1, static_cast<GLint>(bits) - 2}};
+    precision = 0;
+}
+
+void TypePrecision::setSimulatedFloat(unsigned int r, unsigned int p)
+{
+    range     = {{static_cast<GLint>(r), static_cast<GLint>(r)}};
+    precision = static_cast<GLint>(p);
+}
+
+void TypePrecision::setSimulatedInt(unsigned int r)
+{
+    range     = {{static_cast<GLint>(r), static_cast<GLint>(r)}};
+    precision = 0;
+}
+
+void TypePrecision::get(GLint *returnRange, GLint *returnPrecision) const
+{
+    std::copy(range.begin(), range.end(), returnRange);
+    *returnPrecision = precision;
+}
+
+Caps::Caps()                             = default;
+Caps::Caps(const Caps &other)            = default;
+Caps::~Caps()                            = default;
+Caps &Caps::operator=(const Caps &other) = default;
+
+Caps GenerateMinimumCaps(const Version &clientVersion, const Extensions &extensions)
+{
+    Caps caps;
+
+    // GLES1 emulation (Minimums taken from Table 6.20 / 6.22 (ES 1.1 spec))
+    if (clientVersion < Version(2, 0))
+    {
+        caps.maxMultitextureUnits = 2;
+        caps.maxLights            = 8;
+        caps.maxClipPlanes        = 1;
+
+        caps.maxModelviewMatrixStackDepth  = 16;
+        caps.maxProjectionMatrixStackDepth = 2;
+        caps.maxTextureMatrixStackDepth    = 2;
+
+        caps.minSmoothPointSize = 1.0f;
+        caps.maxSmoothPointSize = 1.0f;
+    }
+
+    if (clientVersion >= Version(2, 0))
+    {
+        // Table 6.18
+        caps.max2DTextureSize      = 64;
+        caps.maxCubeMapTextureSize = 16;
+        caps.maxViewportWidth      = caps.max2DTextureSize;
+        caps.maxViewportHeight     = caps.max2DTextureSize;
+        caps.minAliasedPointSize   = 1;
+        caps.maxAliasedPointSize   = 1;
+        caps.minAliasedLineWidth   = 1;
+        caps.maxAliasedLineWidth   = 1;
+
+        // Table 6.19
+        caps.vertexHighpFloat.setSimulatedFloat(62, 16);
+        caps.vertexMediumpFloat.setSimulatedFloat(14, 10);
+        caps.vertexLowpFloat.setSimulatedFloat(1, 8);
+        caps.vertexHighpInt.setSimulatedInt(16);
+        caps.vertexMediumpInt.setSimulatedInt(10);
+        caps.vertexLowpInt.setSimulatedInt(8);
+        caps.fragmentHighpFloat.setSimulatedFloat(62, 16);
+        caps.fragmentMediumpFloat.setSimulatedFloat(14, 10);
+        caps.fragmentLowpFloat.setSimulatedFloat(1, 8);
+        caps.fragmentHighpInt.setSimulatedInt(16);
+        caps.fragmentMediumpInt.setSimulatedInt(10);
+        caps.fragmentLowpInt.setSimulatedInt(8);
+
+        // Table 6.20
+        caps.maxVertexAttributes                              = 8;
+        caps.maxVertexUniformVectors                          = 128;
+        caps.maxVaryingVectors                                = 8;
+        caps.maxCombinedTextureImageUnits                     = 8;
+        caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 8;
+        caps.maxFragmentUniformVectors                        = 16;
+        caps.maxRenderbufferSize                              = 1;
+
+        // Table 3.35
+        caps.maxSamples = 4;
+    }
+
+    if (clientVersion >= Version(3, 0))
+    {
+        // Table 6.28
+        caps.maxElementIndex       = (1 << 24) - 1;
+        caps.max3DTextureSize      = 256;
+        caps.max2DTextureSize      = 2048;
+        caps.maxArrayTextureLayers = 256;
+        caps.maxLODBias            = 2.0f;
+        caps.maxCubeMapTextureSize = 2048;
+        caps.maxRenderbufferSize   = 2048;
+        caps.maxDrawBuffers        = 4;
+        caps.maxColorAttachments   = 4;
+        caps.maxViewportWidth      = caps.max2DTextureSize;
+        caps.maxViewportHeight     = caps.max2DTextureSize;
+
+        // Table 6.29
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_R11_EAC);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_R11_EAC);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_RG11_EAC);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_ETC2);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ETC2);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
+        caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
+        caps.vertexHighpFloat.setIEEEFloat();
+        caps.vertexHighpInt.setTwosComplementInt(32);
+        caps.vertexMediumpInt.setTwosComplementInt(16);
+        caps.vertexLowpInt.setTwosComplementInt(8);
+        caps.fragmentHighpFloat.setIEEEFloat();
+        caps.fragmentHighpInt.setSimulatedInt(32);
+        caps.fragmentMediumpInt.setTwosComplementInt(16);
+        caps.fragmentLowpInt.setTwosComplementInt(8);
+        caps.maxServerWaitTimeout = 0;
+
+        // Table 6.31
+        caps.maxVertexAttributes                            = 16;
+        caps.maxShaderUniformComponents[ShaderType::Vertex] = 1024;
+        caps.maxVertexUniformVectors                        = 256;
+        caps.maxShaderUniformBlocks[ShaderType::Vertex]     = limits::kMinimumShaderUniformBlocks;
+        caps.maxVertexOutputComponents = limits::kMinimumVertexOutputComponents;
+        caps.maxShaderTextureImageUnits[ShaderType::Vertex] = 16;
+
+        // Table 6.32
+        caps.maxShaderUniformComponents[ShaderType::Fragment] = 896;
+        caps.maxFragmentUniformVectors                        = 224;
+        caps.maxShaderUniformBlocks[ShaderType::Fragment]     = limits::kMinimumShaderUniformBlocks;
+        caps.maxFragmentInputComponents                       = 60;
+        caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 16;
+        caps.minProgramTexelOffset                            = -8;
+        caps.maxProgramTexelOffset                            = 7;
+
+        // Table 6.33
+        caps.maxUniformBufferBindings     = 24;
+        caps.maxUniformBlockSize          = 16384;
+        caps.uniformBufferOffsetAlignment = 256;
+        caps.maxCombinedUniformBlocks     = 24;
+        caps.maxVaryingComponents         = 60;
+        caps.maxVaryingVectors            = 15;
+        caps.maxCombinedTextureImageUnits = 32;
+
+        // Table 6.34
+        caps.maxTransformFeedbackInterleavedComponents = 64;
+        caps.maxTransformFeedbackSeparateAttributes    = 4;
+        caps.maxTransformFeedbackSeparateComponents    = 4;
+    }
+
+    if (clientVersion >= Version(3, 1))
+    {
+        // Table 20.40
+        caps.maxFramebufferWidth    = 2048;
+        caps.maxFramebufferHeight   = 2048;
+        caps.maxFramebufferSamples  = 4;
+        caps.maxSampleMaskWords     = 1;
+        caps.maxColorTextureSamples = 1;
+        caps.maxDepthTextureSamples = 1;
+        caps.maxIntegerSamples      = 1;
+
+        // Table 20.41
+        caps.maxVertexAttribRelativeOffset = 2047;
+        caps.maxVertexAttribBindings       = 16;
+        caps.maxVertexAttribStride         = 2048;
+
+        // Table 20.43
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Vertex] = 0;
+        caps.maxShaderAtomicCounters[ShaderType::Vertex]       = 0;
+        caps.maxShaderImageUniforms[ShaderType::Vertex]        = 0;
+        caps.maxShaderStorageBlocks[ShaderType::Vertex]        = 0;
+
+        // Table 20.44
+        caps.maxShaderUniformComponents[ShaderType::Fragment]    = 1024;
+        caps.maxFragmentUniformVectors                           = 256;
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Fragment] = 0;
+        caps.maxShaderAtomicCounters[ShaderType::Fragment]       = 0;
+        caps.maxShaderImageUniforms[ShaderType::Fragment]        = 0;
+        caps.maxShaderStorageBlocks[ShaderType::Fragment]        = 0;
+        caps.minProgramTextureGatherOffset                       = 0;
+        caps.maxProgramTextureGatherOffset                       = 0;
+
+        // Table 20.45
+        caps.maxComputeWorkGroupCount                        = {{65535, 65535, 65535}};
+        caps.maxComputeWorkGroupSize                         = {{128, 128, 64}};
+        caps.maxComputeWorkGroupInvocations                  = 12;
+        caps.maxShaderUniformBlocks[ShaderType::Compute]     = limits::kMinimumShaderUniformBlocks;
+        caps.maxShaderTextureImageUnits[ShaderType::Compute] = 16;
+        caps.maxComputeSharedMemorySize                      = 16384;
+        caps.maxShaderUniformComponents[ShaderType::Compute] = 1024;
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Compute] = 1;
+        caps.maxShaderAtomicCounters[ShaderType::Compute]       = 8;
+        caps.maxShaderImageUniforms[ShaderType::Compute]        = 4;
+        caps.maxShaderStorageBlocks[ShaderType::Compute]        = 4;
+
+        // Table 20.46
+        caps.maxUniformBufferBindings         = 36;
+        caps.maxCombinedTextureImageUnits     = 48;
+        caps.maxCombinedShaderOutputResources = 4;
+
+        // Table 20.47
+        caps.maxUniformLocations                = 1024;
+        caps.maxAtomicCounterBufferBindings     = 1;
+        caps.maxAtomicCounterBufferSize         = 32;
+        caps.maxCombinedAtomicCounterBuffers    = 1;
+        caps.maxCombinedAtomicCounters          = 8;
+        caps.maxImageUnits                      = 4;
+        caps.maxCombinedImageUniforms           = 4;
+        caps.maxShaderStorageBufferBindings     = 4;
+        caps.maxShaderStorageBlockSize          = 1 << 27;
+        caps.maxCombinedShaderStorageBlocks     = 4;
+        caps.shaderStorageBufferOffsetAlignment = 256;
+    }
+
+    if (extensions.textureRectangleANGLE)
+    {
+        caps.maxRectangleTextureSize = 64;
+    }
+
+    if (extensions.geometryShaderAny())
+    {
+        // Table 20.40 (GL_EXT_geometry_shader)
+        caps.maxFramebufferLayers = 256;
+        caps.layerProvokingVertex = GL_LAST_VERTEX_CONVENTION_EXT;
+
+        // Table 20.43gs (GL_EXT_geometry_shader)
+        caps.maxShaderUniformComponents[ShaderType::Geometry] = 1024;
+        caps.maxShaderUniformBlocks[ShaderType::Geometry]     = limits::kMinimumShaderUniformBlocks;
+        caps.maxGeometryInputComponents                       = 64;
+        caps.maxGeometryOutputComponents                      = 64;
+        caps.maxGeometryOutputVertices                        = 256;
+        caps.maxGeometryTotalOutputComponents                 = 1024;
+        caps.maxShaderTextureImageUnits[ShaderType::Geometry] = 16;
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Geometry] = 0;
+        caps.maxShaderAtomicCounters[ShaderType::Geometry]       = 0;
+        caps.maxShaderStorageBlocks[ShaderType::Geometry]        = 0;
+        caps.maxGeometryShaderInvocations                        = 32;
+
+        // Table 20.46 (GL_EXT_geometry_shader)
+        caps.maxShaderImageUniforms[ShaderType::Geometry] = 0;
+
+        // Table 20.46 (GL_EXT_geometry_shader)
+        caps.maxUniformBufferBindings     = 48;
+        caps.maxCombinedUniformBlocks     = 36;
+        caps.maxCombinedTextureImageUnits = 64;
+    }
+
+    if (extensions.tessellationShaderEXT)
+    {
+        // Table 20.43 "Implementation Dependent Tessellation Shader Limits"
+        caps.maxTessControlInputComponents                          = 64;
+        caps.maxTessControlOutputComponents                         = 64;
+        caps.maxShaderTextureImageUnits[ShaderType::TessControl]    = 16;
+        caps.maxShaderUniformComponents[ShaderType::TessControl]    = 1024;
+        caps.maxTessControlTotalOutputComponents                    = 2048;
+        caps.maxShaderImageUniforms[ShaderType::TessControl]        = 0;
+        caps.maxShaderAtomicCounters[ShaderType::TessControl]       = 0;
+        caps.maxShaderAtomicCounterBuffers[ShaderType::TessControl] = 0;
+
+        caps.maxTessPatchComponents = 120;
+        caps.maxPatchVertices       = 32;
+        caps.maxTessGenLevel        = 64;
+
+        caps.maxTessEvaluationInputComponents                          = 64;
+        caps.maxTessEvaluationOutputComponents                         = 64;
+        caps.maxShaderTextureImageUnits[ShaderType::TessEvaluation]    = 16;
+        caps.maxShaderUniformComponents[ShaderType::TessEvaluation]    = 1024;
+        caps.maxShaderImageUniforms[ShaderType::TessEvaluation]        = 0;
+        caps.maxShaderAtomicCounters[ShaderType::TessEvaluation]       = 0;
+        caps.maxShaderAtomicCounterBuffers[ShaderType::TessEvaluation] = 0;
+
+        // Table 20.46 "Implementation Dependent Aggregate Shader Limits"
+        caps.maxUniformBufferBindings     = 72;
+        caps.maxCombinedUniformBlocks     = 60;
+        caps.maxCombinedTextureImageUnits = 96;
+    }
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        caps.maxCombinedShaderUniformComponents[shaderType] =
+            caps.maxShaderUniformBlocks[shaderType] *
+                static_cast<GLuint>(caps.maxUniformBlockSize / 4) +
+            caps.maxShaderUniformComponents[shaderType];
+    }
+
+    return caps;
+}
+}  // namespace gl
+
+namespace egl
+{
+
+Caps::Caps() = default;
+
+DisplayExtensions::DisplayExtensions() = default;
+
+std::vector<std::string> DisplayExtensions::getStrings() const
+{
+    std::vector<std::string> extensionStrings;
+
+    // clang-format off
+    //                   | Extension name                                       | Supported flag                    | Output vector   |
+    InsertExtensionString("EGL_EXT_create_context_robustness",                   createContextRobustness,            &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_d3d_share_handle_client_buffer",            d3dShareHandleClientBuffer,         &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_d3d_texture_client_buffer",                 d3dTextureClientBuffer,             &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_surface_d3d_texture_2d_share_handle",       surfaceD3DTexture2DShareHandle,     &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_query_surface_pointer",                     querySurfacePointer,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_window_fixed_size",                         windowFixedSize,                    &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_keyed_mutex",                               keyedMutex,                         &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_surface_orientation",                       surfaceOrientation,                 &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_direct_composition",                        directComposition,                  &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_windows_ui_composition",                    windowsUIComposition,               &extensionStrings);
+    InsertExtensionString("EGL_NV_post_sub_buffer",                              postSubBuffer,                      &extensionStrings);
+    InsertExtensionString("EGL_KHR_create_context",                              createContext,                      &extensionStrings);
+    InsertExtensionString("EGL_KHR_image",                                       image,                              &extensionStrings);
+    InsertExtensionString("EGL_KHR_image_base",                                  imageBase,                          &extensionStrings);
+    InsertExtensionString("EGL_KHR_image_pixmap",                                imagePixmap,                        &extensionStrings);
+    InsertExtensionString("EGL_EXT_image_gl_colorspace",                         imageGlColorspace,                  &extensionStrings);
+    InsertExtensionString("EGL_KHR_gl_colorspace",                               glColorspace,                       &extensionStrings);
+    InsertExtensionString("EGL_EXT_gl_colorspace_scrgb",                         glColorspaceScrgb,                  &extensionStrings);
+    InsertExtensionString("EGL_EXT_gl_colorspace_scrgb_linear",                  glColorspaceScrgbLinear,            &extensionStrings);
+    InsertExtensionString("EGL_EXT_gl_colorspace_display_p3",                    glColorspaceDisplayP3,              &extensionStrings);
+    InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_linear",             glColorspaceDisplayP3Linear,        &extensionStrings);
+    InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_passthrough",        glColorspaceDisplayP3Passthrough,   &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_colorspace_attribute_passthrough",          eglColorspaceAttributePassthroughANGLE,  &extensionStrings);
+    InsertExtensionString("EGL_KHR_gl_texture_2D_image",                         glTexture2DImage,                   &extensionStrings);
+    InsertExtensionString("EGL_KHR_gl_texture_cubemap_image",                    glTextureCubemapImage,              &extensionStrings);
+    InsertExtensionString("EGL_KHR_gl_texture_3D_image",                         glTexture3DImage,                   &extensionStrings);
+    InsertExtensionString("EGL_KHR_gl_renderbuffer_image",                       glRenderbufferImage,                &extensionStrings);
+    InsertExtensionString("EGL_KHR_get_all_proc_addresses",                      getAllProcAddresses,                &extensionStrings);
+    InsertExtensionString("EGL_KHR_stream",                                      stream,                             &extensionStrings);
+    InsertExtensionString("EGL_KHR_stream_consumer_gltexture",                   streamConsumerGLTexture,            &extensionStrings);
+    InsertExtensionString("EGL_NV_stream_consumer_gltexture_yuv",                streamConsumerGLTextureYUV,         &extensionStrings);
+    InsertExtensionString("EGL_KHR_fence_sync",                                  fenceSync,                          &extensionStrings);
+    InsertExtensionString("EGL_KHR_wait_sync",                                   waitSync,                           &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_stream_producer_d3d_texture",               streamProducerD3DTexture,           &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_create_context_webgl_compatibility",        createContextWebGLCompatibility,    &extensionStrings);
+    InsertExtensionString("EGL_CHROMIUM_create_context_bind_generates_resource", createContextBindGeneratesResource, &extensionStrings);
+    InsertExtensionString("EGL_CHROMIUM_sync_control",                           syncControlCHROMIUM,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_sync_control_rate",                         syncControlRateANGLE,               &extensionStrings);
+    InsertExtensionString("EGL_KHR_swap_buffers_with_damage",                    swapBuffersWithDamage,              &extensionStrings);
+    InsertExtensionString("EGL_EXT_pixel_format_float",                          pixelFormatFloat,                   &extensionStrings);
+    InsertExtensionString("EGL_KHR_surfaceless_context",                         surfacelessContext,                 &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_display_texture_share_group",               displayTextureShareGroup,           &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_display_semaphore_share_group",             displaySemaphoreShareGroup,         &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_create_context_client_arrays",              createContextClientArrays,          &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_program_cache_control",                     programCacheControlANGLE,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_robust_resource_initialization",            robustResourceInitializationANGLE,       &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_iosurface_client_buffer",                   iosurfaceClientBuffer,              &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_metal_texture_client_buffer",               mtlTextureClientBuffer,             &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_create_context_extensions_enabled",         createContextExtensionsEnabled,     &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_presentation_time",                       presentationTime,                   &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_blob_cache",                              blobCache,                          &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_framebuffer_target",                      framebufferTargetANDROID,           &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_image_native_buffer",                     imageNativeBuffer,                  &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_get_frame_timestamps",                    getFrameTimestamps,                 &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_timestamp_surface_attribute",               timestampSurfaceAttributeANGLE,     &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_recordable",                              recordable,                         &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_power_preference",                          powerPreference,                    &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_image_d3d11_texture",                       imageD3D11Texture,                  &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_create_native_client_buffer",             createNativeClientBufferANDROID,    &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_get_native_client_buffer",                getNativeClientBufferANDROID,       &extensionStrings);
+    InsertExtensionString("EGL_ANDROID_native_fence_sync",                       nativeFenceSyncANDROID,             &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_create_context_backwards_compatible",       createContextBackwardsCompatible,   &extensionStrings);
+    InsertExtensionString("EGL_KHR_no_config_context",                           noConfigContext,                    &extensionStrings);
+    InsertExtensionString("EGL_IMG_context_priority",                            contextPriority,                    &extensionStrings);
+    InsertExtensionString("EGL_KHR_create_context_no_error",                     createContextNoError,               &extensionStrings);
+    InsertExtensionString("EGL_EXT_image_dma_buf_import",                        imageDmaBufImportEXT,               &extensionStrings);
+    InsertExtensionString("EGL_EXT_image_dma_buf_import_modifiers",              imageDmaBufImportModifiersEXT,      &extensionStrings);
+    InsertExtensionString("EGL_NOK_texture_from_pixmap",                         textureFromPixmapNOK,               &extensionStrings);
+    InsertExtensionString("EGL_NV_robustness_video_memory_purge",                robustnessVideoMemoryPurgeNV,       &extensionStrings);
+    InsertExtensionString("EGL_KHR_reusable_sync",                               reusableSyncKHR,                    &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_external_context_and_surface",              externalContextAndSurface,          &extensionStrings);
+    InsertExtensionString("EGL_EXT_buffer_age",                                  bufferAgeEXT,                       &extensionStrings);
+    InsertExtensionString("EGL_KHR_mutable_render_buffer",                       mutableRenderBufferKHR,             &extensionStrings);
+    InsertExtensionString("EGL_EXT_protected_content",                           protectedContentEXT,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_create_surface_swap_interval",              createSurfaceSwapIntervalANGLE,     &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_context_virtualization",                    contextVirtualizationANGLE,         &extensionStrings);
+    InsertExtensionString("EGL_KHR_lock_surface3",                               lockSurface3KHR,                    &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_vulkan_image",                              vulkanImageANGLE,                   &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_metal_create_context_ownership_identity",   metalCreateContextOwnershipIdentityANGLE, &extensionStrings);
+    InsertExtensionString("EGL_KHR_partial_update",                              partialUpdateKHR,                   &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_metal_shared_event_sync",                   mtlSyncSharedEventANGLE,            &extensionStrings);
+    // clang-format on
+
+    return extensionStrings;
+}
+
+DeviceExtensions::DeviceExtensions() = default;
+
+std::vector<std::string> DeviceExtensions::getStrings() const
+{
+    std::vector<std::string> extensionStrings;
+
+    // clang-format off
+    //                   | Extension name                                 | Supported flag                | Output vector   |
+    InsertExtensionString("EGL_ANGLE_device_d3d",                          deviceD3D,                      &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_device_cgl",                          deviceCGL,                      &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_device_eagl",                         deviceEAGL,                     &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_device_metal",                        deviceMetal,                    &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_device_vulkan",                       deviceVulkan,                   &extensionStrings);
+
+    // clang-format on
+
+    return extensionStrings;
+}
+
+ClientExtensions::ClientExtensions()                              = default;
+ClientExtensions::ClientExtensions(const ClientExtensions &other) = default;
+
+std::vector<std::string> ClientExtensions::getStrings() const
+{
+    std::vector<std::string> extensionStrings;
+
+    // clang-format off
+    //                   | Extension name                                    | Supported flag                   | Output vector   |
+    InsertExtensionString("EGL_EXT_client_extensions",                        clientExtensions,                   &extensionStrings);
+    InsertExtensionString("EGL_EXT_device_query",                             deviceQueryEXT,                     &extensionStrings);
+    InsertExtensionString("EGL_EXT_platform_base",                            platformBase,                       &extensionStrings);
+    InsertExtensionString("EGL_EXT_platform_device",                          platformDevice,                     &extensionStrings);
+    InsertExtensionString("EGL_KHR_platform_gbm",                             platformGbmKHR,                     &extensionStrings);
+    InsertExtensionString("EGL_EXT_platform_wayland",                         platformWaylandEXT,                 &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle",                         platformANGLE,                      &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_d3d",                     platformANGLED3D,                   &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_d3d11on12",               platformANGLED3D11ON12,             &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_device_type_egl_angle",   platformANGLEDeviceTypeEGLANGLE,    &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_device_type_swiftshader", platformANGLEDeviceTypeSwiftShader, &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_opengl",                  platformANGLEOpenGL,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_null",                    platformANGLENULL,                  &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_vulkan",                  platformANGLEVulkan,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_metal",                   platformANGLEMetal,                 &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_device_context_volatile_eagl",  platformANGLEDeviceContextVolatileEagl, &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_device_context_volatile_cgl",   platformANGLEDeviceContextVolatileCgl, &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_platform_angle_device_id",               platformANGLEDeviceId,              &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_device_creation",                        deviceCreation,                     &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_device_creation_d3d11",                  deviceCreationD3D11,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_x11_visual",                             x11Visual,                          &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_experimental_present_path",              experimentalPresentPath,            &extensionStrings);
+    InsertExtensionString("EGL_KHR_client_get_all_proc_addresses",            clientGetAllProcAddresses,          &extensionStrings);
+    InsertExtensionString("EGL_KHR_debug",                                    debug,                              &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_feature_control",                        featureControlANGLE,                &extensionStrings);
+    InsertExtensionString("EGL_ANGLE_display_power_preference",               displayPowerPreferenceANGLE,        &extensionStrings);
+    // clang-format on
+
+    return extensionStrings;
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Caps.h b/gfx/angle/checkout/src/libANGLE/Caps.h
new file mode 100644
index 0000000000..03b4ef8c9a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Caps.h
@@ -0,0 +1,786 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef LIBANGLE_CAPS_H_
+#define LIBANGLE_CAPS_H_
+
+#include "angle_gl.h"
+#include "libANGLE/Version.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/gles_extensions_autogen.h"
+#include "libANGLE/renderer/Format.h"
+
+#include <array>
+#include <map>
+#include <set>
+#include <string>
+#include <vector>
+
+namespace gl
+{
+struct TextureCaps
+{
+    TextureCaps();
+    TextureCaps(const TextureCaps &other);
+    TextureCaps &operator=(const TextureCaps &other);
+
+    ~TextureCaps();
+
+    // Supports for basic texturing: glTexImage, glTexSubImage, etc
+    bool texturable = false;
+
+    // Support for linear or anisotropic filtering
+    bool filterable = false;
+
+    // Support for being used as a framebuffer attachment, i.e. glFramebufferTexture2D
+    bool textureAttachment = false;
+
+    // Support for being used as a renderbuffer format, i.e. glFramebufferRenderbuffer
+    bool renderbuffer = false;
+
+    // Support for blend modes while being used as a framebuffer attachment
+    bool blendable = false;
+
+    // Set of supported sample counts, only guaranteed to be valid in ES3.
+    SupportedSampleSet sampleCounts;
+
+    // Get the maximum number of samples supported
+    GLuint getMaxSamples() const;
+
+    // Get the number of supported samples that is at least as many as requested.  Returns 0 if
+    // there are no sample counts available
+    GLuint getNearestSamples(GLuint requestedSamples) const;
+};
+
+TextureCaps GenerateMinimumTextureCaps(GLenum internalFormat,
+                                       const Version &clientVersion,
+                                       const Extensions &extensions);
+
+class TextureCapsMap final : angle::NonCopyable
+{
+  public:
+    TextureCapsMap();
+    ~TextureCapsMap();
+
+    // These methods are deprecated. Please use angle::Format for new features.
+    void insert(GLenum internalFormat, const TextureCaps &caps);
+    const TextureCaps &get(GLenum internalFormat) const;
+
+    void clear();
+
+    // Prefer using angle::Format methods.
+    const TextureCaps &get(angle::FormatID formatID) const;
+    void set(angle::FormatID formatID, const TextureCaps &caps);
+
+  private:
+    TextureCaps &get(angle::FormatID formatID);
+
+    // Indexed by angle::FormatID
+    angle::FormatMap<TextureCaps> mFormatData;
+};
+
+void InitMinimumTextureCapsMap(const Version &clientVersion,
+                               const Extensions &extensions,
+                               TextureCapsMap *capsMap);
+
+// Returns true if all the formats required to support GL_ANGLE_compressed_texture_etc are
+// present. Does not determine if they are natively supported without decompression.
+bool DetermineCompressedTextureETCSupport(const TextureCapsMap &textureCaps);
+
+// Pointer to a boolean member of the Extensions struct
+using ExtensionBool = bool Extensions::*;
+
+struct ExtensionInfo
+{
+    // If this extension can be enabled or disabled  with glRequestExtension
+    // (GL_ANGLE_request_extension)
+    bool Requestable = false;
+    bool Disablable  = false;
+
+    // Pointer to a boolean member of the Extensions struct
+    ExtensionBool ExtensionsMember = nullptr;
+};
+
+using ExtensionInfoMap = std::map<std::string, ExtensionInfo>;
+const ExtensionInfoMap &GetExtensionInfoMap();
+
+struct Limitations
+{
+    Limitations();
+    Limitations(const Limitations &other);
+
+    Limitations &operator=(const Limitations &other);
+
+    // Renderer doesn't support gl_FrontFacing in fragment shaders
+    bool noFrontFacingSupport = false;
+
+    // Renderer doesn't support GL_SAMPLE_ALPHA_TO_COVERAGE
+    bool noSampleAlphaToCoverageSupport = false;
+
+    // In glVertexAttribDivisorANGLE, attribute zero must have a zero divisor
+    bool attributeZeroRequiresZeroDivisorInEXT = false;
+
+    // Unable to support different values for front and back faces for stencil refs and masks
+    bool noSeparateStencilRefsAndMasks = false;
+
+    // Renderer doesn't support non-constant indexing loops in fragment shader
+    bool shadersRequireIndexedLoopValidation = false;
+
+    // Renderer doesn't support Simultaneous use of GL_CONSTANT_ALPHA/GL_ONE_MINUS_CONSTANT_ALPHA
+    // and GL_CONSTANT_COLOR/GL_ONE_MINUS_CONSTANT_COLOR blend functions.
+    bool noSimultaneousConstantColorAndAlphaBlendFunc = false;
+
+    // Renderer always clamps constant blend color.
+    bool noUnclampedBlendColor = false;
+
+    // D3D9 does not support flexible varying register packing.
+    bool noFlexibleVaryingPacking = false;
+
+    // D3D does not support having multiple transform feedback outputs go to the same buffer.
+    bool noDoubleBoundTransformFeedbackBuffers = false;
+
+    // D3D does not support vertex attribute aliasing
+    bool noVertexAttributeAliasing = false;
+
+    // Renderer doesn't support GL_TEXTURE_COMPARE_MODE=GL_NONE on a shadow sampler.
+    // TODO(http://anglebug.com/5231): add validation code to front-end.
+    bool noShadowSamplerCompareModeNone = false;
+
+    // PVRTC1 textures must be squares.
+    bool squarePvrtc1 = false;
+
+    // ETC1 texture support is emulated.
+    bool emulatedEtc1 = false;
+
+    // ASTC texture support is emulated.
+    bool emulatedAstc = false;
+
+    // No compressed TEXTURE_3D support.
+    bool noCompressedTexture3D = false;
+
+    // D3D does not support compressed textures where the base mip level is not a multiple of 4
+    bool compressedBaseMipLevelMultipleOfFour = false;
+
+    bool limitWebglMaxTextureSizeTo4096 = false;
+};
+
+struct TypePrecision
+{
+    TypePrecision();
+    TypePrecision(const TypePrecision &other);
+
+    TypePrecision &operator=(const TypePrecision &other);
+
+    void setIEEEFloat();
+    void setIEEEHalfFloat();
+    void setTwosComplementInt(unsigned int bits);
+    void setSimulatedFloat(unsigned int range, unsigned int precision);
+    void setSimulatedInt(unsigned int range);
+
+    void get(GLint *returnRange, GLint *returnPrecision) const;
+
+    std::array<GLint, 2> range = {0, 0};
+    GLint precision            = 0;
+};
+
+struct Caps
+{
+    Caps();
+    Caps(const Caps &other);
+    Caps &operator=(const Caps &other);
+
+    ~Caps();
+
+    // If the values could be got by using GetIntegeri_v, they should
+    // be GLint instead of GLuint and call LimitToInt() to ensure
+    // they will not overflow.
+
+    GLfloat minInterpolationOffset        = 0;
+    GLfloat maxInterpolationOffset        = 0;
+    GLint subPixelInterpolationOffsetBits = 0;
+
+    // ES 3.1 (April 29, 2015) 20.39: implementation dependent values
+    GLint64 maxElementIndex       = 0;
+    GLint max3DTextureSize        = 0;
+    GLint max2DTextureSize        = 0;
+    GLint maxRectangleTextureSize = 0;
+    GLint maxArrayTextureLayers   = 0;
+    GLfloat maxLODBias            = 0.0f;
+    GLint maxCubeMapTextureSize   = 0;
+    GLint maxRenderbufferSize     = 0;
+    GLfloat minAliasedPointSize   = 1.0f;
+    GLfloat maxAliasedPointSize   = 1.0f;
+    GLfloat minAliasedLineWidth   = 0.0f;
+    GLfloat maxAliasedLineWidth   = 0.0f;
+
+    // ES 3.1 (April 29, 2015) 20.40: implementation dependent values (cont.)
+    GLint maxDrawBuffers         = 0;
+    GLint maxFramebufferWidth    = 0;
+    GLint maxFramebufferHeight   = 0;
+    GLint maxFramebufferSamples  = 0;
+    GLint maxColorAttachments    = 0;
+    GLint maxViewportWidth       = 0;
+    GLint maxViewportHeight      = 0;
+    GLint maxSampleMaskWords     = 0;
+    GLint maxColorTextureSamples = 0;
+    GLint maxDepthTextureSamples = 0;
+    GLint maxIntegerSamples      = 0;
+    GLint64 maxServerWaitTimeout = 0;
+
+    // ES 3.1 (April 29, 2015) Table 20.41: Implementation dependent values (cont.)
+    GLint maxVertexAttribRelativeOffset = 0;
+    GLint maxVertexAttribBindings       = 0;
+    GLint maxVertexAttribStride         = 0;
+    GLint maxElementsIndices            = 0;
+    GLint maxElementsVertices           = 0;
+    std::vector<GLenum> compressedTextureFormats;
+    std::vector<GLenum> programBinaryFormats;
+    std::vector<GLenum> shaderBinaryFormats;
+    TypePrecision vertexHighpFloat;
+    TypePrecision vertexMediumpFloat;
+    TypePrecision vertexLowpFloat;
+    TypePrecision vertexHighpInt;
+    TypePrecision vertexMediumpInt;
+    TypePrecision vertexLowpInt;
+    TypePrecision fragmentHighpFloat;
+    TypePrecision fragmentMediumpFloat;
+    TypePrecision fragmentLowpFloat;
+    TypePrecision fragmentHighpInt;
+    TypePrecision fragmentMediumpInt;
+    TypePrecision fragmentLowpInt;
+
+    // Implementation dependent limits required on all shader types.
+    // TODO(jiawei.shao@intel.com): organize all such limits into ShaderMap.
+    // ES 3.1 (April 29, 2015) Table 20.43: Implementation dependent Vertex shader limits
+    // ES 3.1 (April 29, 2015) Table 20.44: Implementation dependent Fragment shader limits
+    // ES 3.1 (April 29, 2015) Table 20.45: implementation dependent compute shader limits
+    // GL_EXT_geometry_shader (May 31, 2016) Table 20.43gs: Implementation dependent geometry shader
+    // limits
+    // GL_EXT_geometry_shader (May 31, 2016) Table 20.46: Implementation dependent aggregate shader
+    // limits
+    ShaderMap<GLint> maxShaderUniformBlocks        = {};
+    ShaderMap<GLint> maxShaderTextureImageUnits    = {};
+    ShaderMap<GLint> maxShaderStorageBlocks        = {};
+    ShaderMap<GLint> maxShaderUniformComponents    = {};
+    ShaderMap<GLint> maxShaderAtomicCounterBuffers = {};
+    ShaderMap<GLint> maxShaderAtomicCounters       = {};
+    ShaderMap<GLint> maxShaderImageUniforms        = {};
+    // Note that we can query MAX_COMPUTE_UNIFORM_COMPONENTS and MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT
+    // by GetIntegerv, but we can only use GetInteger64v on MAX_VERTEX_UNIFORM_COMPONENTS and
+    // MAX_FRAGMENT_UNIFORM_COMPONENTS. Currently we use GLuint64 to store all these values so that
+    // we can put them together into one ShaderMap.
+    ShaderMap<GLint64> maxCombinedShaderUniformComponents = {};
+
+    // ES 3.1 (April 29, 2015) Table 20.43: Implementation dependent Vertex shader limits
+    GLint maxVertexAttributes       = 0;
+    GLint maxVertexUniformVectors   = 0;
+    GLint maxVertexOutputComponents = 0;
+
+    // ES 3.1 (April 29, 2015) Table 20.44: Implementation dependent Fragment shader limits
+    GLint maxFragmentUniformVectors     = 0;
+    GLint maxFragmentInputComponents    = 0;
+    GLint minProgramTextureGatherOffset = 0;
+    GLint maxProgramTextureGatherOffset = 0;
+    GLint minProgramTexelOffset         = 0;
+    GLint maxProgramTexelOffset         = 0;
+
+    // ES 3.1 (April 29, 2015) Table 20.45: implementation dependent compute shader limits
+    std::array<GLint, 3> maxComputeWorkGroupCount = {0, 0, 0};
+    std::array<GLint, 3> maxComputeWorkGroupSize  = {0, 0, 0};
+    GLint maxComputeWorkGroupInvocations          = 0;
+    GLint maxComputeSharedMemorySize              = 0;
+
+    // ES 3.1 (April 29, 2015) Table 20.46: implementation dependent aggregate shader limits
+    GLint maxUniformBufferBindings         = 0;
+    GLint64 maxUniformBlockSize            = 0;
+    GLint uniformBufferOffsetAlignment     = 0;
+    GLint maxCombinedUniformBlocks         = 0;
+    GLint maxVaryingComponents             = 0;
+    GLint maxVaryingVectors                = 0;
+    GLint maxCombinedTextureImageUnits     = 0;
+    GLint maxCombinedShaderOutputResources = 0;
+
+    // ES 3.1 (April 29, 2015) Table 20.47: implementation dependent aggregate shader limits (cont.)
+    GLint maxUniformLocations                = 0;
+    GLint maxAtomicCounterBufferBindings     = 0;
+    GLint maxAtomicCounterBufferSize         = 0;
+    GLint maxCombinedAtomicCounterBuffers    = 0;
+    GLint maxCombinedAtomicCounters          = 0;
+    GLint maxImageUnits                      = 0;
+    GLint maxCombinedImageUniforms           = 0;
+    GLint maxShaderStorageBufferBindings     = 0;
+    GLint64 maxShaderStorageBlockSize        = 0;
+    GLint maxCombinedShaderStorageBlocks     = 0;
+    GLint shaderStorageBufferOffsetAlignment = 0;
+
+    // ES 3.1 (April 29, 2015) Table 20.48: implementation dependent transform feedback limits
+    GLint maxTransformFeedbackInterleavedComponents = 0;
+    GLint maxTransformFeedbackSeparateAttributes    = 0;
+    GLint maxTransformFeedbackSeparateComponents    = 0;
+
+    // ES 3.1 (April 29, 2015) Table 20.49: Framebuffer Dependent Values
+    GLint maxSamples = 0;
+
+    // GL_EXT_geometry_shader (May 31, 2016) Table 20.40: Implementation-Dependent Values (cont.)
+    GLint maxFramebufferLayers = 0;
+    GLint layerProvokingVertex = 0;
+
+    // GL_EXT_geometry_shader (May 31, 2016) Table 20.43gs: Implementation dependent geometry shader
+    // limits
+    GLint maxGeometryInputComponents       = 0;
+    GLint maxGeometryOutputComponents      = 0;
+    GLint maxGeometryOutputVertices        = 0;
+    GLint maxGeometryTotalOutputComponents = 0;
+    GLint maxGeometryShaderInvocations     = 0;
+
+    // GL_EXT_tessellation_shader
+    GLint maxTessControlInputComponents       = 0;
+    GLint maxTessControlOutputComponents      = 0;
+    GLint maxTessControlTotalOutputComponents = 0;
+
+    GLint maxTessPatchComponents = 0;
+    GLint maxPatchVertices       = 0;
+    GLint maxTessGenLevel        = 0;
+
+    GLint maxTessEvaluationInputComponents  = 0;
+    GLint maxTessEvaluationOutputComponents = 0;
+
+    GLuint subPixelBits = 4;
+
+    // GL_EXT_blend_func_extended
+    GLuint maxDualSourceDrawBuffers = 0;
+
+    // GL_EXT_texture_filter_anisotropic
+    GLfloat maxTextureAnisotropy = 0.0f;
+
+    // GL_EXT_disjoint_timer_query
+    GLuint queryCounterBitsTimeElapsed = 0;
+    GLuint queryCounterBitsTimestamp   = 0;
+
+    // OVR_multiview
+    GLuint maxViews = 1;
+
+    // GL_KHR_debug
+    GLuint maxDebugMessageLength   = 0;
+    GLuint maxDebugLoggedMessages  = 0;
+    GLuint maxDebugGroupStackDepth = 0;
+    GLuint maxLabelLength          = 0;
+
+    // GL_APPLE_clip_distance/GL_EXT_clip_cull_distance
+    GLuint maxClipDistances                = 0;
+    GLuint maxCullDistances                = 0;
+    GLuint maxCombinedClipAndCullDistances = 0;
+
+    // GL_ANGLE_shader_pixel_local_storage
+    GLuint maxPixelLocalStoragePlanes                       = 0;
+    GLuint maxColorAttachmentsWithActivePixelLocalStorage   = 0;
+    GLuint maxCombinedDrawBuffersAndPixelLocalStoragePlanes = 0;
+
+    // GLES1 emulation: Caps for ES 1.1. Taken from Table 6.20 / 6.22 in the OpenGL ES 1.1 spec.
+    GLuint maxMultitextureUnits                 = 0;
+    GLuint maxClipPlanes                        = 0;
+    GLuint maxLights                            = 0;
+    static constexpr int GlobalMatrixStackDepth = 16;
+    GLuint maxModelviewMatrixStackDepth         = 0;
+    GLuint maxProjectionMatrixStackDepth        = 0;
+    GLuint maxTextureMatrixStackDepth           = 0;
+    GLfloat minSmoothPointSize                  = 0.0f;
+    GLfloat maxSmoothPointSize                  = 0.0f;
+    GLfloat minSmoothLineWidth                  = 0.0f;
+    GLfloat maxSmoothLineWidth                  = 0.0f;
+
+    // ES 3.2 Table 20.41: Implementation Dependent Values (cont.)
+    GLint maxTextureBufferSize         = 0;
+    GLint textureBufferOffsetAlignment = 0;
+};
+
+Caps GenerateMinimumCaps(const Version &clientVersion, const Extensions &extensions);
+}  // namespace gl
+
+namespace egl
+{
+
+struct Caps
+{
+    Caps();
+
+    // Support for NPOT surfaces
+    bool textureNPOT;
+
+    // Support for Stencil8 configs
+    bool stencil8;
+};
+
+struct DisplayExtensions
+{
+    DisplayExtensions();
+
+    // Generate a vector of supported extension strings
+    std::vector<std::string> getStrings() const;
+
+    // EGL_EXT_create_context_robustness
+    bool createContextRobustness = false;
+
+    // EGL_ANGLE_d3d_share_handle_client_buffer
+    bool d3dShareHandleClientBuffer = false;
+
+    // EGL_ANGLE_d3d_texture_client_buffer
+    bool d3dTextureClientBuffer = false;
+
+    // EGL_ANGLE_surface_d3d_texture_2d_share_handle
+    bool surfaceD3DTexture2DShareHandle = false;
+
+    // EGL_ANGLE_query_surface_pointer
+    bool querySurfacePointer = false;
+
+    // EGL_ANGLE_window_fixed_size
+    bool windowFixedSize = false;
+
+    // EGL_ANGLE_keyed_mutex
+    bool keyedMutex = false;
+
+    // EGL_ANGLE_surface_orientation
+    bool surfaceOrientation = false;
+
+    // EGL_NV_post_sub_buffer
+    bool postSubBuffer = false;
+
+    // EGL_KHR_create_context
+    bool createContext = false;
+
+    // EGL_KHR_image
+    bool image = false;
+
+    // EGL_KHR_image_base
+    bool imageBase = false;
+
+    // EGL_KHR_image_pixmap
+    bool imagePixmap = false;
+
+    // EGL_KHR_gl_texture_2D_image
+    bool glTexture2DImage = false;
+
+    // EGL_KHR_gl_texture_cubemap_image
+    bool glTextureCubemapImage = false;
+
+    // EGL_KHR_gl_texture_3D_image
+    bool glTexture3DImage = false;
+
+    // EGL_KHR_gl_renderbuffer_image
+    bool glRenderbufferImage = false;
+
+    // EGL_KHR_get_all_proc_addresses
+    bool getAllProcAddresses = false;
+
+    // EGL_ANGLE_direct_composition
+    bool directComposition = false;
+
+    // EGL_ANGLE_windows_ui_composition
+    bool windowsUIComposition = false;
+
+    // KHR_create_context_no_error
+    bool createContextNoError = false;
+
+    // EGL_KHR_stream
+    bool stream = false;
+
+    // EGL_KHR_stream_consumer_gltexture
+    bool streamConsumerGLTexture = false;
+
+    // EGL_NV_stream_consumer_gltexture_yuv
+    bool streamConsumerGLTextureYUV = false;
+
+    // EGL_ANGLE_stream_producer_d3d_texture
+    bool streamProducerD3DTexture = false;
+
+    // EGL_KHR_fence_sync
+    bool fenceSync = false;
+
+    // EGL_KHR_wait_sync
+    bool waitSync = false;
+
+    // EGL_ANGLE_create_context_webgl_compatibility
+    bool createContextWebGLCompatibility = false;
+
+    // EGL_CHROMIUM_create_context_bind_generates_resource
+    bool createContextBindGeneratesResource = false;
+
+    // EGL_CHROMIUM_sync_control
+    bool syncControlCHROMIUM = false;
+
+    // EGL_ANGLE_sync_control_rate
+    bool syncControlRateANGLE = false;
+
+    // EGL_KHR_swap_buffers_with_damage
+    bool swapBuffersWithDamage = false;
+
+    // EGL_EXT_pixel_format_float
+    bool pixelFormatFloat = false;
+
+    // EGL_KHR_surfaceless_context
+    bool surfacelessContext = false;
+
+    // EGL_ANGLE_display_texture_share_group
+    bool displayTextureShareGroup = false;
+
+    // EGL_ANGLE_display_semaphore_share_group
+    bool displaySemaphoreShareGroup = false;
+
+    // EGL_ANGLE_create_context_client_arrays
+    bool createContextClientArrays = false;
+
+    // EGL_ANGLE_program_cache_control
+    bool programCacheControlANGLE = false;
+
+    // EGL_ANGLE_robust_resource_initialization
+    bool robustResourceInitializationANGLE = false;
+
+    // EGL_ANGLE_iosurface_client_buffer
+    bool iosurfaceClientBuffer = false;
+
+    // EGL_ANGLE_metal_texture_client_buffer
+    bool mtlTextureClientBuffer = false;
+
+    // EGL_ANGLE_create_context_extensions_enabled
+    bool createContextExtensionsEnabled = false;
+
+    // EGL_ANDROID_presentation_time
+    bool presentationTime = false;
+
+    // EGL_ANDROID_blob_cache
+    bool blobCache = false;
+
+    // EGL_ANDROID_image_native_buffer
+    bool imageNativeBuffer = false;
+
+    // EGL_ANDROID_get_frame_timestamps
+    bool getFrameTimestamps = false;
+
+    // EGL_ANGLE_timestamp_surface_attribute
+    bool timestampSurfaceAttributeANGLE = false;
+
+    // EGL_ANDROID_recordable
+    bool recordable = false;
+
+    // EGL_ANGLE_power_preference
+    bool powerPreference = false;
+
+    // EGL_ANGLE_image_d3d11_texture
+    bool imageD3D11Texture = false;
+
+    // EGL_ANDROID_get_native_client_buffer
+    bool getNativeClientBufferANDROID = false;
+
+    // EGL_ANDROID_create_native_client_buffer
+    bool createNativeClientBufferANDROID = false;
+
+    // EGL_ANDROID_native_fence_sync
+    bool nativeFenceSyncANDROID = false;
+
+    // EGL_ANGLE_create_context_backwards_compatible
+    bool createContextBackwardsCompatible = false;
+
+    // EGL_KHR_no_config_context
+    bool noConfigContext = false;
+
+    // EGL_IMG_context_priority
+    bool contextPriority = false;
+
+    // EGL_ANGLE_ggp_stream_descriptor
+    bool ggpStreamDescriptor = false;
+
+    // EGL_ANGLE_swap_with_frame_token
+    bool swapWithFrameToken = false;
+
+    // EGL_KHR_gl_colorspace
+    bool glColorspace = false;
+
+    // EGL_EXT_gl_colorspace_display_p3_linear
+    bool glColorspaceDisplayP3Linear = false;
+
+    // EGL_EXT_gl_colorspace_display_p3
+    bool glColorspaceDisplayP3 = false;
+
+    // EGL_EXT_gl_colorspace_scrgb
+    bool glColorspaceScrgb = false;
+
+    // EGL_EXT_gl_colorspace_scrgb_linear
+    bool glColorspaceScrgbLinear = false;
+
+    // EGL_EXT_gl_colorspace_display_p3_passthrough
+    bool glColorspaceDisplayP3Passthrough = false;
+
+    // EGL_ANGLE_colorspace_attribute_passthrough
+    bool eglColorspaceAttributePassthroughANGLE = false;
+
+    // EGL_ANDROID_framebuffer_target
+    bool framebufferTargetANDROID = false;
+
+    // EGL_EXT_image_gl_colorspace
+    bool imageGlColorspace = false;
+
+    // EGL_EXT_image_dma_buf_import
+    bool imageDmaBufImportEXT = false;
+
+    // EGL_EXT_image_dma_buf_import_modifiers
+    bool imageDmaBufImportModifiersEXT = false;
+
+    // EGL_NOK_texture_from_pixmap
+    bool textureFromPixmapNOK = false;
+
+    // EGL_NV_robustness_video_memory_purge
+    bool robustnessVideoMemoryPurgeNV = false;
+
+    // EGL_KHR_reusable_sync
+    bool reusableSyncKHR = false;
+
+    // EGL_ANGLE_external_context_and_surface
+    bool externalContextAndSurface = false;
+
+    // EGL_EXT_buffer_age
+    bool bufferAgeEXT = false;
+
+    // EGL_KHR_mutable_render_buffer
+    bool mutableRenderBufferKHR = false;
+
+    // EGL_EXT_protected_content
+    bool protectedContentEXT = false;
+
+    // EGL_ANGLE_create_surface_swap_interval
+    bool createSurfaceSwapIntervalANGLE = false;
+
+    // EGL_ANGLE_context_virtualization
+    bool contextVirtualizationANGLE = false;
+
+    // EGL_KHR_lock_surface3
+    bool lockSurface3KHR = false;
+
+    // EGL_ANGLE_vulkan_image
+    bool vulkanImageANGLE = false;
+
+    // EGL_ANGLE_metal_create_context_ownership_identity
+    bool metalCreateContextOwnershipIdentityANGLE = false;
+
+    // EGL_KHR_partial_update
+    bool partialUpdateKHR = false;
+
+    // EGL_ANGLE_sync_mtl_shared_event
+    bool mtlSyncSharedEventANGLE = false;
+};
+
+struct DeviceExtensions
+{
+    DeviceExtensions();
+
+    // Generate a vector of supported extension strings
+    std::vector<std::string> getStrings() const;
+
+    // EGL_ANGLE_device_d3d
+    bool deviceD3D = false;
+
+    // EGL_ANGLE_device_cgl
+    bool deviceCGL = false;
+
+    // EGL_ANGLE_device_eagl
+    bool deviceEAGL = false;
+
+    // EGL_ANGLE_device_metal
+    bool deviceMetal = false;
+
+    // EGL_ANGLE_device_vulkan
+    bool deviceVulkan = false;
+};
+
+struct ClientExtensions
+{
+    ClientExtensions();
+    ClientExtensions(const ClientExtensions &other);
+
+    // Generate a vector of supported extension strings
+    std::vector<std::string> getStrings() const;
+
+    // EGL_EXT_client_extensions
+    bool clientExtensions = false;
+
+    // EGL_EXT_platform_base
+    bool platformBase = false;
+
+    // EGL_EXT_platform_device
+    bool platformDevice = false;
+
+    // EGL_KHR_platform_gbm
+    bool platformGbmKHR = false;
+
+    // EGL_EXT_platform_wayland
+    bool platformWaylandEXT = false;
+
+    // EGL_ANGLE_platform_angle
+    bool platformANGLE = false;
+
+    // EGL_ANGLE_platform_angle_d3d
+    bool platformANGLED3D = false;
+
+    // EGL_ANGLE_platform_angle_d3d11on12
+    bool platformANGLED3D11ON12 = false;
+
+    // EGL_ANGLE_platform_angle_opengl
+    bool platformANGLEOpenGL = false;
+
+    // EGL_ANGLE_platform_angle_null
+    bool platformANGLENULL = false;
+
+    // EGL_ANGLE_platform_angle_vulkan
+    bool platformANGLEVulkan = false;
+
+    // EGL_ANGLE_platform_angle_metal
+    bool platformANGLEMetal = false;
+
+    // EGL_ANGLE_platform_angle_device_context_volatile_eagl
+    bool platformANGLEDeviceContextVolatileEagl = false;
+
+    // EGL_ANGLE_platform_angle_device_context_volatile_cgl
+    bool platformANGLEDeviceContextVolatileCgl = false;
+
+    // EGL_ANGLE_platform_angle_device_id
+    bool platformANGLEDeviceId = false;
+
+    // EGL_ANGLE_device_creation
+    bool deviceCreation = false;
+
+    // EGL_ANGLE_device_creation_d3d11
+    bool deviceCreationD3D11 = false;
+
+    // EGL_ANGLE_x11_visual
+    bool x11Visual = false;
+
+    // EGL_ANGLE_experimental_present_path
+    bool experimentalPresentPath = false;
+
+    // EGL_KHR_client_get_all_proc_addresses
+    bool clientGetAllProcAddresses = false;
+
+    // EGL_KHR_debug
+    bool debug = false;
+
+    // EGL_ANGLE_feature_control
+    bool featureControlANGLE = false;
+
+    // EGL_ANGLE_platform_angle_device_type_swiftshader
+    bool platformANGLEDeviceTypeSwiftShader = false;
+
+    // EGL_ANGLE_platform_angle_device_type_egl_angle
+    bool platformANGLEDeviceTypeEGLANGLE = false;
+
+    // EGL_EXT_device_query
+    bool deviceQueryEXT = false;
+
+    // EGL_ANGLE_display_power_preference
+    bool displayPowerPreferenceANGLE = false;
+};
+
+}  // namespace egl
+
+#endif  // LIBANGLE_CAPS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Compiler.cpp b/gfx/angle/checkout/src/libANGLE/Compiler.cpp
new file mode 100644
index 0000000000..a838f27ed6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Compiler.cpp
@@ -0,0 +1,422 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Compiler.cpp: implements the gl::Compiler class.
+
+#include "libANGLE/Compiler.h"
+
+#include "common/debug.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/State.h"
+#include "libANGLE/renderer/CompilerImpl.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+
+namespace gl
+{
+
+namespace
+{
+
+// To know when to call sh::Initialize and sh::Finalize.
+size_t gActiveCompilers = 0;
+
+}  // anonymous namespace
+
+Compiler::Compiler(rx::GLImplFactory *implFactory, const State &state, egl::Display *display)
+    : mImplementation(implFactory->createCompiler()),
+      mSpec(SelectShaderSpec(state)),
+      mOutputType(mImplementation->getTranslatorOutputType()),
+      mResources()
+{
+    // TODO(http://anglebug.com/3819): Update for GL version specific validation
+    ASSERT(state.getClientMajorVersion() == 1 || state.getClientMajorVersion() == 2 ||
+           state.getClientMajorVersion() == 3 || state.getClientMajorVersion() == 4);
+
+    {
+        std::lock_guard<std::mutex> lock(display->getDisplayGlobalMutex());
+        if (gActiveCompilers == 0)
+        {
+            sh::Initialize();
+        }
+        ++gActiveCompilers;
+    }
+
+    const Caps &caps             = state.getCaps();
+    const Extensions &extensions = state.getExtensions();
+
+    sh::InitBuiltInResources(&mResources);
+    mResources.MaxVertexAttribs             = caps.maxVertexAttributes;
+    mResources.MaxVertexUniformVectors      = caps.maxVertexUniformVectors;
+    mResources.MaxVaryingVectors            = caps.maxVaryingVectors;
+    mResources.MaxVertexTextureImageUnits   = caps.maxShaderTextureImageUnits[ShaderType::Vertex];
+    mResources.MaxCombinedTextureImageUnits = caps.maxCombinedTextureImageUnits;
+    mResources.MaxTextureImageUnits         = caps.maxShaderTextureImageUnits[ShaderType::Fragment];
+    mResources.MaxFragmentUniformVectors    = caps.maxFragmentUniformVectors;
+    mResources.MaxDrawBuffers               = caps.maxDrawBuffers;
+    mResources.OES_standard_derivatives     = extensions.standardDerivativesOES;
+    mResources.EXT_draw_buffers             = extensions.drawBuffersEXT;
+    mResources.EXT_shader_texture_lod       = extensions.shaderTextureLodEXT;
+    mResources.EXT_shader_non_constant_global_initializers =
+        extensions.shaderNonConstantGlobalInitializersEXT;
+    mResources.OES_EGL_image_external          = extensions.EGLImageExternalOES;
+    mResources.OES_EGL_image_external_essl3    = extensions.EGLImageExternalEssl3OES;
+    mResources.NV_EGL_stream_consumer_external = extensions.EGLStreamConsumerExternalNV;
+    mResources.NV_shader_noperspective_interpolation =
+        extensions.shaderNoperspectiveInterpolationNV;
+    mResources.ARB_texture_rectangle = extensions.textureRectangleANGLE;
+    mResources.EXT_gpu_shader5       = extensions.gpuShader5EXT;
+    mResources.OES_shader_io_blocks  = extensions.shaderIoBlocksOES;
+    mResources.EXT_shader_io_blocks  = extensions.shaderIoBlocksEXT;
+    mResources.OES_texture_storage_multisample_2d_array =
+        extensions.textureStorageMultisample2dArrayOES;
+    mResources.OES_texture_3D = extensions.texture3DOES;
+    mResources.ANGLE_base_vertex_base_instance_shader_builtin =
+        extensions.baseVertexBaseInstanceShaderBuiltinANGLE;
+    mResources.ANGLE_multi_draw                 = extensions.multiDrawANGLE;
+    mResources.ANGLE_shader_pixel_local_storage = extensions.shaderPixelLocalStorageANGLE;
+    mResources.ANGLE_texture_multisample        = extensions.textureMultisampleANGLE;
+    mResources.APPLE_clip_distance              = extensions.clipDistanceAPPLE;
+    // OES_shader_multisample_interpolation
+    mResources.OES_shader_multisample_interpolation = extensions.shaderMultisampleInterpolationOES;
+    mResources.OES_shader_image_atomic              = extensions.shaderImageAtomicOES;
+    // TODO: use shader precision caps to determine if high precision is supported?
+    mResources.FragmentPrecisionHigh = 1;
+    mResources.EXT_frag_depth        = extensions.fragDepthEXT;
+
+    // OVR_multiview state
+    mResources.OVR_multiview = extensions.multiviewOVR;
+
+    // OVR_multiview2 state
+    mResources.OVR_multiview2 = extensions.multiview2OVR;
+    mResources.MaxViewsOVR    = caps.maxViews;
+
+    // EXT_multisampled_render_to_texture and EXT_multisampled_render_to_texture2
+    mResources.EXT_multisampled_render_to_texture  = extensions.multisampledRenderToTextureEXT;
+    mResources.EXT_multisampled_render_to_texture2 = extensions.multisampledRenderToTexture2EXT;
+
+    // WEBGL_video_texture
+    mResources.WEBGL_video_texture = extensions.videoTextureWEBGL;
+
+    // OES_texture_cube_map_array
+    mResources.OES_texture_cube_map_array = extensions.textureCubeMapArrayOES;
+    mResources.EXT_texture_cube_map_array = extensions.textureCubeMapArrayEXT;
+
+    // EXT_shadow_samplers
+    mResources.EXT_shadow_samplers = extensions.shadowSamplersEXT;
+
+    // OES_texture_buffer
+    mResources.OES_texture_buffer = extensions.textureBufferOES;
+    mResources.EXT_texture_buffer = extensions.textureBufferEXT;
+
+    // GL_EXT_YUV_target
+    mResources.EXT_YUV_target = extensions.YUVTargetEXT;
+
+    mResources.EXT_shader_framebuffer_fetch_non_coherent =
+        extensions.shaderFramebufferFetchNonCoherentEXT;
+
+    mResources.EXT_shader_framebuffer_fetch = extensions.shaderFramebufferFetchEXT;
+
+    // GL_EXT_clip_cull_distance
+    mResources.EXT_clip_cull_distance = extensions.clipCullDistanceEXT;
+
+    // GL_EXT_primitive_bounding_box
+    mResources.EXT_primitive_bounding_box = extensions.primitiveBoundingBoxEXT;
+
+    // GL_OES_primitive_bounding_box
+    mResources.OES_primitive_bounding_box = extensions.primitiveBoundingBoxOES;
+
+    // GLSL ES 3.0 constants
+    mResources.MaxVertexOutputVectors  = caps.maxVertexOutputComponents / 4;
+    mResources.MaxFragmentInputVectors = caps.maxFragmentInputComponents / 4;
+    mResources.MinProgramTexelOffset   = caps.minProgramTexelOffset;
+    mResources.MaxProgramTexelOffset   = caps.maxProgramTexelOffset;
+
+    // EXT_blend_func_extended
+    mResources.EXT_blend_func_extended  = extensions.blendFuncExtendedEXT;
+    mResources.MaxDualSourceDrawBuffers = caps.maxDualSourceDrawBuffers;
+
+    // APPLE_clip_distance/EXT_clip_cull_distance
+    mResources.MaxClipDistances                = caps.maxClipDistances;
+    mResources.MaxCullDistances                = caps.maxCullDistances;
+    mResources.MaxCombinedClipAndCullDistances = caps.maxCombinedClipAndCullDistances;
+
+    // ANGLE_shader_pixel_local_storage.
+    mResources.MaxPixelLocalStoragePlanes = caps.maxPixelLocalStoragePlanes;
+    mResources.MaxColorAttachmentsWithActivePixelLocalStorage =
+        caps.maxColorAttachmentsWithActivePixelLocalStorage;
+    mResources.MaxCombinedDrawBuffersAndPixelLocalStoragePlanes =
+        caps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes;
+
+    // OES_sample_variables
+    mResources.OES_sample_variables = extensions.sampleVariablesOES;
+    mResources.MaxSamples           = caps.maxSamples;
+
+    // ANDROID_extension_pack_es31a
+    mResources.ANDROID_extension_pack_es31a = extensions.extensionPackEs31aANDROID;
+
+    // KHR_blend_equation_advanced
+    mResources.KHR_blend_equation_advanced = extensions.blendEquationAdvancedKHR;
+
+    // GLSL ES 3.1 constants
+    mResources.MaxProgramTextureGatherOffset    = caps.maxProgramTextureGatherOffset;
+    mResources.MinProgramTextureGatherOffset    = caps.minProgramTextureGatherOffset;
+    mResources.MaxImageUnits                    = caps.maxImageUnits;
+    mResources.MaxVertexImageUniforms           = caps.maxShaderImageUniforms[ShaderType::Vertex];
+    mResources.MaxFragmentImageUniforms         = caps.maxShaderImageUniforms[ShaderType::Fragment];
+    mResources.MaxComputeImageUniforms          = caps.maxShaderImageUniforms[ShaderType::Compute];
+    mResources.MaxCombinedImageUniforms         = caps.maxCombinedImageUniforms;
+    mResources.MaxCombinedShaderOutputResources = caps.maxCombinedShaderOutputResources;
+    mResources.MaxUniformLocations              = caps.maxUniformLocations;
+
+    for (size_t index = 0u; index < 3u; ++index)
+    {
+        mResources.MaxComputeWorkGroupCount[index] = caps.maxComputeWorkGroupCount[index];
+        mResources.MaxComputeWorkGroupSize[index]  = caps.maxComputeWorkGroupSize[index];
+    }
+
+    mResources.MaxComputeUniformComponents = caps.maxShaderUniformComponents[ShaderType::Compute];
+    mResources.MaxComputeTextureImageUnits = caps.maxShaderTextureImageUnits[ShaderType::Compute];
+
+    mResources.MaxComputeAtomicCounters = caps.maxShaderAtomicCounters[ShaderType::Compute];
+    mResources.MaxComputeAtomicCounterBuffers =
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Compute];
+
+    mResources.MaxVertexAtomicCounters   = caps.maxShaderAtomicCounters[ShaderType::Vertex];
+    mResources.MaxFragmentAtomicCounters = caps.maxShaderAtomicCounters[ShaderType::Fragment];
+    mResources.MaxCombinedAtomicCounters = caps.maxCombinedAtomicCounters;
+    mResources.MaxAtomicCounterBindings  = caps.maxAtomicCounterBufferBindings;
+    mResources.MaxVertexAtomicCounterBuffers =
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Vertex];
+    mResources.MaxFragmentAtomicCounterBuffers =
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Fragment];
+    mResources.MaxCombinedAtomicCounterBuffers = caps.maxCombinedAtomicCounterBuffers;
+    mResources.MaxAtomicCounterBufferSize      = caps.maxAtomicCounterBufferSize;
+
+    mResources.MaxUniformBufferBindings       = caps.maxUniformBufferBindings;
+    mResources.MaxShaderStorageBufferBindings = caps.maxShaderStorageBufferBindings;
+
+    // Needed by point size clamping workaround
+    mResources.MaxPointSize = caps.maxAliasedPointSize;
+
+    if (state.getClientMajorVersion() == 2 && !extensions.drawBuffersEXT)
+    {
+        mResources.MaxDrawBuffers = 1;
+    }
+
+    // Geometry Shader constants
+    mResources.EXT_geometry_shader          = extensions.geometryShaderEXT;
+    mResources.OES_geometry_shader          = extensions.geometryShaderOES;
+    mResources.MaxGeometryUniformComponents = caps.maxShaderUniformComponents[ShaderType::Geometry];
+    mResources.MaxGeometryUniformBlocks     = caps.maxShaderUniformBlocks[ShaderType::Geometry];
+    mResources.MaxGeometryInputComponents   = caps.maxGeometryInputComponents;
+    mResources.MaxGeometryOutputComponents  = caps.maxGeometryOutputComponents;
+    mResources.MaxGeometryOutputVertices    = caps.maxGeometryOutputVertices;
+    mResources.MaxGeometryTotalOutputComponents = caps.maxGeometryTotalOutputComponents;
+    mResources.MaxGeometryTextureImageUnits = caps.maxShaderTextureImageUnits[ShaderType::Geometry];
+
+    mResources.MaxGeometryAtomicCounterBuffers =
+        caps.maxShaderAtomicCounterBuffers[ShaderType::Geometry];
+    mResources.MaxGeometryAtomicCounters      = caps.maxShaderAtomicCounters[ShaderType::Geometry];
+    mResources.MaxGeometryShaderStorageBlocks = caps.maxShaderStorageBlocks[ShaderType::Geometry];
+    mResources.MaxGeometryShaderInvocations   = caps.maxGeometryShaderInvocations;
+    mResources.MaxGeometryImageUniforms       = caps.maxShaderImageUniforms[ShaderType::Geometry];
+
+    // Tessellation Shader constants
+    mResources.EXT_tessellation_shader        = extensions.tessellationShaderEXT;
+    mResources.MaxTessControlInputComponents  = caps.maxTessControlInputComponents;
+    mResources.MaxTessControlOutputComponents = caps.maxTessControlOutputComponents;
+    mResources.MaxTessControlTextureImageUnits =
+        caps.maxShaderTextureImageUnits[ShaderType::TessControl];
+    mResources.MaxTessControlUniformComponents =
+        caps.maxShaderUniformComponents[ShaderType::TessControl];
+    mResources.MaxTessControlTotalOutputComponents = caps.maxTessControlTotalOutputComponents;
+    mResources.MaxTessControlImageUniforms  = caps.maxShaderImageUniforms[ShaderType::TessControl];
+    mResources.MaxTessControlAtomicCounters = caps.maxShaderAtomicCounters[ShaderType::TessControl];
+    mResources.MaxTessControlAtomicCounterBuffers =
+        caps.maxShaderAtomicCounterBuffers[ShaderType::TessControl];
+
+    mResources.MaxTessPatchComponents = caps.maxTessPatchComponents;
+    mResources.MaxPatchVertices       = caps.maxPatchVertices;
+    mResources.MaxTessGenLevel        = caps.maxTessGenLevel;
+
+    mResources.MaxTessEvaluationInputComponents  = caps.maxTessEvaluationInputComponents;
+    mResources.MaxTessEvaluationOutputComponents = caps.maxTessEvaluationOutputComponents;
+    mResources.MaxTessEvaluationTextureImageUnits =
+        caps.maxShaderTextureImageUnits[ShaderType::TessEvaluation];
+    mResources.MaxTessEvaluationUniformComponents =
+        caps.maxShaderUniformComponents[ShaderType::TessEvaluation];
+    mResources.MaxTessEvaluationImageUniforms =
+        caps.maxShaderImageUniforms[ShaderType::TessEvaluation];
+    mResources.MaxTessEvaluationAtomicCounters =
+        caps.maxShaderAtomicCounters[ShaderType::TessEvaluation];
+    mResources.MaxTessEvaluationAtomicCounterBuffers =
+        caps.maxShaderAtomicCounterBuffers[ShaderType::TessEvaluation];
+
+    // Subpixel bits.
+    mResources.SubPixelBits = static_cast<int>(caps.subPixelBits);
+}
+
+Compiler::~Compiler() = default;
+
+void Compiler::onDestroy(const Context *context)
+{
+    std::lock_guard<std::mutex> lock(context->getDisplay()->getDisplayGlobalMutex());
+    for (auto &pool : mPools)
+    {
+        for (ShCompilerInstance &instance : pool)
+        {
+            instance.destroy();
+        }
+    }
+    --gActiveCompilers;
+    if (gActiveCompilers == 0)
+    {
+        sh::Finalize();
+    }
+}
+
+ShCompilerInstance Compiler::getInstance(ShaderType type)
+{
+    ASSERT(type != ShaderType::InvalidEnum);
+    auto &pool = mPools[type];
+    if (pool.empty())
+    {
+        ShHandle handle = sh::ConstructCompiler(ToGLenum(type), mSpec, mOutputType, &mResources);
+        ASSERT(handle);
+        return ShCompilerInstance(handle, mOutputType, type);
+    }
+    else
+    {
+        ShCompilerInstance instance = std::move(pool.back());
+        pool.pop_back();
+        return instance;
+    }
+}
+
+void Compiler::putInstance(ShCompilerInstance &&instance)
+{
+    static constexpr size_t kMaxPoolSize = 32;
+    auto &pool                           = mPools[instance.getShaderType()];
+    if (pool.size() < kMaxPoolSize)
+    {
+        pool.push_back(std::move(instance));
+    }
+    else
+    {
+        instance.destroy();
+    }
+}
+
+ShShaderSpec Compiler::SelectShaderSpec(const State &state)
+{
+    const EGLenum clientType = state.getClientType();
+    const EGLint profileMask = state.getProfileMask();
+    const GLint majorVersion = state.getClientMajorVersion();
+    const GLint minorVersion = state.getClientMinorVersion();
+    bool isWebGL             = state.isWebGL();
+
+    // For Desktop GL
+    if (clientType == EGL_OPENGL_API)
+    {
+        if ((profileMask & EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT) != 0)
+        {
+            return SH_GL_CORE_SPEC;
+        }
+        else
+        {
+            return SH_GL_COMPATIBILITY_SPEC;
+        }
+    }
+
+    if (majorVersion >= 3)
+    {
+        switch (minorVersion)
+        {
+            case 2:
+                ASSERT(!isWebGL);
+                return SH_GLES3_2_SPEC;
+            case 1:
+                return isWebGL ? SH_WEBGL3_SPEC : SH_GLES3_1_SPEC;
+            case 0:
+                return isWebGL ? SH_WEBGL2_SPEC : SH_GLES3_SPEC;
+            default:
+                UNREACHABLE();
+        }
+    }
+
+    // GLES1 emulation: Use GLES3 shader spec.
+    if (!isWebGL && majorVersion == 1)
+    {
+        return SH_GLES3_SPEC;
+    }
+
+    return isWebGL ? SH_WEBGL_SPEC : SH_GLES2_SPEC;
+}
+
+ShCompilerInstance::ShCompilerInstance() : mHandle(nullptr) {}
+
+ShCompilerInstance::ShCompilerInstance(ShHandle handle,
+                                       ShShaderOutput outputType,
+                                       ShaderType shaderType)
+    : mHandle(handle), mOutputType(outputType), mShaderType(shaderType)
+{}
+
+ShCompilerInstance::~ShCompilerInstance()
+{
+    ASSERT(mHandle == nullptr);
+}
+
+void ShCompilerInstance::destroy()
+{
+    if (mHandle != nullptr)
+    {
+        sh::Destruct(mHandle);
+        mHandle = nullptr;
+    }
+}
+
+ShCompilerInstance::ShCompilerInstance(ShCompilerInstance &&other)
+    : mHandle(other.mHandle), mOutputType(other.mOutputType), mShaderType(other.mShaderType)
+{
+    other.mHandle = nullptr;
+}
+
+ShCompilerInstance &ShCompilerInstance::operator=(ShCompilerInstance &&other)
+{
+    mHandle       = other.mHandle;
+    mOutputType   = other.mOutputType;
+    mShaderType   = other.mShaderType;
+    other.mHandle = nullptr;
+    return *this;
+}
+
+ShHandle ShCompilerInstance::getHandle()
+{
+    return mHandle;
+}
+
+ShaderType ShCompilerInstance::getShaderType() const
+{
+    return mShaderType;
+}
+
+ShBuiltInResources ShCompilerInstance::getBuiltInResources() const
+{
+    return sh::GetBuiltInResources(mHandle);
+}
+
+const std::string &ShCompilerInstance::getBuiltinResourcesString() const
+{
+    return sh::GetBuiltInResourcesString(mHandle);
+}
+
+ShShaderOutput ShCompilerInstance::getShaderOutputType() const
+{
+    return mOutputType;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Compiler.h b/gfx/angle/checkout/src/libANGLE/Compiler.h
new file mode 100644
index 0000000000..01428f36da
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Compiler.h
@@ -0,0 +1,78 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Compiler.h: Defines the gl::Compiler class, abstracting the ESSL compiler
+// that a GL context holds.
+
+#ifndef LIBANGLE_COMPILER_H_
+#define LIBANGLE_COMPILER_H_
+
+#include <vector>
+
+#include "GLSLANG/ShaderLang.h"
+#include "common/PackedEnums.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+namespace rx
+{
+class CompilerImpl;
+class GLImplFactory;
+}  // namespace rx
+
+namespace gl
+{
+class ShCompilerInstance;
+class State;
+
+class Compiler final : public RefCountObjectNoID
+{
+  public:
+    Compiler(rx::GLImplFactory *implFactory, const State &data, egl::Display *display);
+
+    void onDestroy(const Context *context) override;
+
+    ShCompilerInstance getInstance(ShaderType shaderType);
+    void putInstance(ShCompilerInstance &&instance);
+    ShShaderOutput getShaderOutputType() const { return mOutputType; }
+
+    static ShShaderSpec SelectShaderSpec(const State &state);
+
+  private:
+    ~Compiler() override;
+    std::unique_ptr<rx::CompilerImpl> mImplementation;
+    ShShaderSpec mSpec;
+    ShShaderOutput mOutputType;
+    ShBuiltInResources mResources;
+    ShaderMap<std::vector<ShCompilerInstance>> mPools;
+};
+
+class ShCompilerInstance final : public angle::NonCopyable
+{
+  public:
+    ShCompilerInstance();
+    ShCompilerInstance(ShHandle handle, ShShaderOutput outputType, ShaderType shaderType);
+    ~ShCompilerInstance();
+    void destroy();
+
+    ShCompilerInstance(ShCompilerInstance &&other);
+    ShCompilerInstance &operator=(ShCompilerInstance &&other);
+
+    ShHandle getHandle();
+    ShaderType getShaderType() const;
+    ShBuiltInResources getBuiltInResources() const;
+    const std::string &getBuiltinResourcesString() const;
+    ShShaderOutput getShaderOutputType() const;
+
+  private:
+    ShHandle mHandle;
+    ShShaderOutput mOutputType;
+    ShaderType mShaderType;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_COMPILER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Config.cpp b/gfx/angle/checkout/src/libANGLE/Config.cpp
new file mode 100644
index 0000000000..127480db1f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Config.cpp
@@ -0,0 +1,416 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Config.cpp: Implements the egl::Config class, describing the format, type
+// and size for an egl::Surface. Implements EGLConfig and related functionality.
+// [EGL 1.5] section 3.4 page 19.
+
+#include "libANGLE/Config.h"
+#include "libANGLE/AttributeMap.h"
+
+#include <algorithm>
+#include <vector>
+
+#include <EGL/eglext.h>
+#include "angle_gl.h"
+
+#include "common/debug.h"
+
+namespace egl
+{
+
+Config::Config()
+    : renderTargetFormat(GL_NONE),
+      depthStencilFormat(GL_NONE),
+      bufferSize(0),
+      redSize(0),
+      greenSize(0),
+      blueSize(0),
+      luminanceSize(0),
+      alphaSize(0),
+      alphaMaskSize(0),
+      bindToTextureRGB(EGL_FALSE),
+      bindToTextureRGBA(EGL_FALSE),
+      bindToTextureTarget(EGL_TEXTURE_2D),
+      colorBufferType(EGL_RGB_BUFFER),
+      configCaveat(EGL_NONE),
+      configID(0),
+      conformant(0),
+      depthSize(0),
+      level(0),
+      matchNativePixmap(EGL_FALSE),
+      maxPBufferWidth(0),
+      maxPBufferHeight(0),
+      maxPBufferPixels(0),
+      maxSwapInterval(0),
+      minSwapInterval(0),
+      nativeRenderable(EGL_FALSE),
+      nativeVisualID(0),
+      nativeVisualType(0),
+      renderableType(0),
+      sampleBuffers(0),
+      samples(0),
+      stencilSize(0),
+      surfaceType(0),
+      transparentType(EGL_NONE),
+      transparentRedValue(0),
+      transparentGreenValue(0),
+      transparentBlueValue(0),
+      optimalOrientation(0),
+      colorComponentType(EGL_COLOR_COMPONENT_TYPE_FIXED_EXT),
+      recordable(EGL_FALSE),
+      framebufferTarget(EGL_FALSE),  // TODO: http://anglebug.com/4208
+      yInverted(EGL_FALSE)
+{}
+
+Config::~Config() {}
+
+Config::Config(const Config &other) = default;
+
+Config &Config::operator=(const Config &other) = default;
+
+ConfigSet::ConfigSet() = default;
+
+ConfigSet::ConfigSet(const ConfigSet &other) = default;
+
+ConfigSet &ConfigSet::operator=(const ConfigSet &other) = default;
+
+ConfigSet::~ConfigSet() = default;
+
+EGLint ConfigSet::add(const Config &config)
+{
+    // Set the config's ID to a small number that starts at 1 ([EGL 1.5] section 3.4)
+    EGLint id = static_cast<EGLint>(mConfigs.size()) + 1;
+
+    Config copyConfig(config);
+    copyConfig.configID = id;
+    mConfigs.insert(std::make_pair(id, copyConfig));
+
+    return id;
+}
+
+const Config &ConfigSet::get(EGLint id) const
+{
+    ASSERT(mConfigs.find(id) != mConfigs.end());
+    return mConfigs.find(id)->second;
+}
+
+void ConfigSet::clear()
+{
+    mConfigs.clear();
+}
+
+size_t ConfigSet::size() const
+{
+    return mConfigs.size();
+}
+
+bool ConfigSet::contains(const Config *config) const
+{
+    for (auto i = mConfigs.begin(); i != mConfigs.end(); i++)
+    {
+        const Config &item = i->second;
+        if (config == &item)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// Function object used by STL sorting routines for ordering Configs according to [EGL 1.5]
+// section 3.4.1.2 page 28.
+class ConfigSorter
+{
+  public:
+    explicit ConfigSorter(const AttributeMap &attributeMap)
+        : mWantRed(false),
+          mWantGreen(false),
+          mWantBlue(false),
+          mWantAlpha(false),
+          mWantLuminance(false)
+    {
+        scanForWantedComponents(attributeMap);
+    }
+
+    bool operator()(const Config *x, const Config *y) const { return (*this)(*x, *y); }
+
+    bool operator()(const Config &x, const Config &y) const
+    {
+#define SORT(attribute)                       \
+    do                                        \
+    {                                         \
+        if (x.attribute != y.attribute)       \
+            return x.attribute < y.attribute; \
+    } while (0)
+
+        static_assert(EGL_NONE < EGL_SLOW_CONFIG && EGL_SLOW_CONFIG < EGL_NON_CONFORMANT_CONFIG,
+                      "Unexpected EGL enum value.");
+        SORT(configCaveat);
+
+        static_assert(EGL_COLOR_COMPONENT_TYPE_FIXED_EXT < EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT,
+                      "Unexpected order of EGL enums.");
+        SORT(colorComponentType);
+
+        static_assert(EGL_RGB_BUFFER < EGL_LUMINANCE_BUFFER, "Unexpected EGL enum value.");
+        SORT(colorBufferType);
+
+        // By larger total number of color bits, only considering those that are requested to be >
+        // 0.
+        EGLint xComponentsSize = wantedComponentsSize(x);
+        EGLint yComponentsSize = wantedComponentsSize(y);
+        if (xComponentsSize != yComponentsSize)
+        {
+            return xComponentsSize > yComponentsSize;
+        }
+
+        SORT(bufferSize);
+        SORT(sampleBuffers);
+        SORT(samples);
+        SORT(depthSize);
+        SORT(stencilSize);
+        SORT(alphaMaskSize);
+        SORT(nativeVisualType);
+        SORT(configID);
+
+#undef SORT
+
+        return false;
+    }
+
+  private:
+    static bool wantsComponent(const AttributeMap &attributeMap, EGLAttrib component)
+    {
+        // [EGL 1.5] section 3.4.1.2 page 30
+        // Sorting rule #3: by larger total number of color bits, not considering
+        // components that are 0 or don't-care.
+        EGLAttrib value = attributeMap.get(component, 0);
+        return value != 0 && value != EGL_DONT_CARE;
+    }
+
+    void scanForWantedComponents(const AttributeMap &attributeMap)
+    {
+        mWantRed       = wantsComponent(attributeMap, EGL_RED_SIZE);
+        mWantGreen     = wantsComponent(attributeMap, EGL_GREEN_SIZE);
+        mWantBlue      = wantsComponent(attributeMap, EGL_BLUE_SIZE);
+        mWantAlpha     = wantsComponent(attributeMap, EGL_ALPHA_SIZE);
+        mWantLuminance = wantsComponent(attributeMap, EGL_LUMINANCE_SIZE);
+    }
+
+    EGLint wantedComponentsSize(const Config &config) const
+    {
+        EGLint total = 0;
+
+        if (mWantRed)
+            total += config.redSize;
+        if (mWantGreen)
+            total += config.greenSize;
+        if (mWantBlue)
+            total += config.blueSize;
+        if (mWantAlpha)
+            total += config.alphaSize;
+        if (mWantLuminance)
+            total += config.luminanceSize;
+
+        return total;
+    }
+
+    bool mWantRed;
+    bool mWantGreen;
+    bool mWantBlue;
+    bool mWantAlpha;
+    bool mWantLuminance;
+};
+
+std::vector<const Config *> ConfigSet::filter(const AttributeMap &attributeMap) const
+{
+    std::vector<const Config *> result;
+    result.reserve(mConfigs.size());
+
+    for (auto configIter = mConfigs.begin(); configIter != mConfigs.end(); configIter++)
+    {
+        const Config &config = configIter->second;
+        bool match           = true;
+
+        for (auto attribIter = attributeMap.begin(); attribIter != attributeMap.end(); attribIter++)
+        {
+            EGLAttrib attributeKey   = attribIter->first;
+            EGLAttrib attributeValue = attribIter->second;
+
+            if (attributeValue == EGL_DONT_CARE)
+            {
+                continue;
+            }
+
+            switch (attributeKey)
+            {
+                case EGL_BUFFER_SIZE:
+                    match = config.bufferSize >= attributeValue;
+                    break;
+                case EGL_ALPHA_SIZE:
+                    match = config.alphaSize >= attributeValue;
+                    break;
+                case EGL_BLUE_SIZE:
+                    match = config.blueSize >= attributeValue;
+                    break;
+                case EGL_GREEN_SIZE:
+                    match = config.greenSize >= attributeValue;
+                    break;
+                case EGL_RED_SIZE:
+                    match = config.redSize >= attributeValue;
+                    break;
+                case EGL_DEPTH_SIZE:
+                    match = config.depthSize >= attributeValue;
+                    break;
+                case EGL_STENCIL_SIZE:
+                    match = config.stencilSize >= attributeValue;
+                    break;
+                case EGL_CONFIG_CAVEAT:
+                    match = config.configCaveat == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_CONFIG_ID:
+                    match = config.configID == attributeValue;
+                    break;
+                case EGL_LEVEL:
+                    match = config.level == attributeValue;
+                    break;
+                case EGL_NATIVE_RENDERABLE:
+                    match = config.nativeRenderable == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_NATIVE_VISUAL_TYPE:
+                    match = config.nativeVisualType == attributeValue;
+                    break;
+                case EGL_SAMPLES:
+                    match = config.samples >= attributeValue;
+                    break;
+                case EGL_SAMPLE_BUFFERS:
+                    match = config.sampleBuffers >= attributeValue;
+                    break;
+                case EGL_SURFACE_TYPE:
+                    match = (config.surfaceType & attributeValue) == attributeValue;
+                    break;
+                case EGL_TRANSPARENT_TYPE:
+                    match = config.transparentType == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_TRANSPARENT_BLUE_VALUE:
+                    if (attributeMap.get(EGL_TRANSPARENT_TYPE, EGL_NONE) != EGL_NONE)
+                    {
+                        match = config.transparentBlueValue == attributeValue;
+                    }
+                    break;
+                case EGL_TRANSPARENT_GREEN_VALUE:
+                    if (attributeMap.get(EGL_TRANSPARENT_TYPE, EGL_NONE) != EGL_NONE)
+                    {
+                        match = config.transparentGreenValue == attributeValue;
+                    }
+                    break;
+                case EGL_TRANSPARENT_RED_VALUE:
+                    if (attributeMap.get(EGL_TRANSPARENT_TYPE, EGL_NONE) != EGL_NONE)
+                    {
+                        match = config.transparentRedValue == attributeValue;
+                    }
+                    break;
+                case EGL_BIND_TO_TEXTURE_RGB:
+                    match = config.bindToTextureRGB == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_BIND_TO_TEXTURE_RGBA:
+                    match = config.bindToTextureRGBA == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_BIND_TO_TEXTURE_TARGET_ANGLE:
+                    match = config.bindToTextureTarget == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_MIN_SWAP_INTERVAL:
+                    match = config.minSwapInterval == attributeValue;
+                    break;
+                case EGL_MAX_SWAP_INTERVAL:
+                    match = config.maxSwapInterval == attributeValue;
+                    break;
+                case EGL_LUMINANCE_SIZE:
+                    match = config.luminanceSize >= attributeValue;
+                    break;
+                case EGL_ALPHA_MASK_SIZE:
+                    match = config.alphaMaskSize >= attributeValue;
+                    break;
+                case EGL_COLOR_BUFFER_TYPE:
+                    match = config.colorBufferType == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_RENDERABLE_TYPE:
+                    match = (config.renderableType & attributeValue) == attributeValue;
+                    break;
+                case EGL_MATCH_NATIVE_PIXMAP:
+                    match = false;
+                    UNIMPLEMENTED();
+                    break;
+                case EGL_CONFORMANT:
+                    match = (config.conformant & attributeValue) == attributeValue;
+                    break;
+                case EGL_MAX_PBUFFER_WIDTH:
+                    match = config.maxPBufferWidth >= attributeValue;
+                    break;
+                case EGL_MAX_PBUFFER_HEIGHT:
+                    match = config.maxPBufferHeight >= attributeValue;
+                    break;
+                case EGL_MAX_PBUFFER_PIXELS:
+                    match = config.maxPBufferPixels >= attributeValue;
+                    break;
+                case EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE:
+                    match = config.optimalOrientation == attributeValue;
+                    break;
+                case EGL_COLOR_COMPONENT_TYPE_EXT:
+                    match = config.colorComponentType == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_RECORDABLE_ANDROID:
+                    match = config.recordable == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_FRAMEBUFFER_TARGET_ANDROID:
+                    match = config.framebufferTarget == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_Y_INVERTED_NOK:
+                    match = config.yInverted == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_MATCH_FORMAT_KHR:
+                    if (attributeValue == EGL_NONE)
+                    {
+                        match = (config.surfaceType & EGL_LOCK_SURFACE_BIT_KHR) == 0;
+                    }
+                    else
+                    {
+                        match = config.matchFormat == attributeValue;
+                    }
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+
+            if (!match)
+            {
+                break;
+            }
+        }
+
+        if (match)
+        {
+            result.push_back(&config);
+        }
+    }
+
+    // Sort the result
+    std::sort(result.begin(), result.end(), ConfigSorter(attributeMap));
+
+    return result;
+}
+
+ConfigSet::ConfigMap::iterator ConfigSet::begin()
+{
+    return mConfigs.begin();
+}
+
+ConfigSet::ConfigMap::iterator ConfigSet::end()
+{
+    return mConfigs.end();
+}
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Config.h b/gfx/angle/checkout/src/libANGLE/Config.h
new file mode 100644
index 0000000000..7901c793ee
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Config.h
@@ -0,0 +1,115 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Config.h: Defines the egl::Config class, describing the format, type
+// and size for an egl::Surface. Implements EGLConfig and related functionality.
+// [EGL 1.5] section 3.4 page 19.
+
+#ifndef INCLUDE_CONFIG_H_
+#define INCLUDE_CONFIG_H_
+
+#include "libANGLE/AttributeMap.h"
+
+#include "common/angleutils.h"
+
+#include <EGL/egl.h>
+#include <GLES2/gl2.h>
+
+#include <map>
+#include <vector>
+
+namespace egl
+{
+
+struct Config
+{
+    Config();
+    ~Config();
+    Config(const Config &other);
+    Config &operator=(const Config &other);
+
+    GLenum renderTargetFormat;  // TODO(geofflang): remove this
+    GLenum depthStencilFormat;  // TODO(geofflang): remove this
+
+    EGLint bufferSize;             // Depth of the color buffer
+    EGLint redSize;                // Bits of Red in the color buffer
+    EGLint greenSize;              // Bits of Green in the color buffer
+    EGLint blueSize;               // Bits of Blue in the color buffer
+    EGLint luminanceSize;          // Bits of Luminance in the color buffer
+    EGLint alphaSize;              // Bits of Alpha in the color buffer
+    EGLint alphaMaskSize;          // Bits of Alpha Mask in the mask buffer
+    EGLBoolean bindToTextureRGB;   // True if bindable to RGB textures.
+    EGLBoolean bindToTextureRGBA;  // True if bindable to RGBA textures.
+    EGLenum bindToTextureTarget;   // Which texture target should be used for pbuffers
+    EGLenum colorBufferType;       // Color buffer type
+    EGLenum configCaveat;          // Any caveats for the configuration
+    EGLint configID;               // Unique EGLConfig identifier
+    EGLint conformant;             // Whether contexts created with this config are conformant
+    EGLint depthSize;              // Bits of Z in the depth buffer
+    EGLint level;                  // Frame buffer level
+    EGLBoolean matchNativePixmap;  // Match the native pixmap format
+    EGLint maxPBufferWidth;        // Maximum width of pbuffer
+    EGLint maxPBufferHeight;       // Maximum height of pbuffer
+    EGLint maxPBufferPixels;       // Maximum size of pbuffer
+    EGLint maxSwapInterval;        // Maximum swap interval
+    EGLint minSwapInterval;        // Minimum swap interval
+    EGLBoolean nativeRenderable;   // EGL_TRUE if native rendering APIs can render to surface
+    EGLint nativeVisualID;         // Handle of corresponding native visual
+    EGLint nativeVisualType;       // Native visual type of the associated visual
+    EGLint renderableType;         // Which client rendering APIs are supported.
+    EGLint sampleBuffers;          // Number of multisample buffers
+    EGLint samples;                // Number of samples per pixel
+    EGLint stencilSize;            // Bits of Stencil in the stencil buffer
+    EGLint surfaceType;            // Which types of EGL surfaces are supported.
+    EGLenum transparentType;       // Type of transparency supported
+    EGLint transparentRedValue;    // Transparent red value
+    EGLint transparentGreenValue;  // Transparent green value
+    EGLint transparentBlueValue;   // Transparent blue value
+    EGLint optimalOrientation;     // Optimal window surface orientation
+    EGLenum colorComponentType;    // Color component type
+    EGLBoolean recordable;         // EGL_TRUE if a surface can support recording on Android
+    EGLBoolean framebufferTarget;  // EGL_TRUE if the config supports rendering to a ANativeWindow
+                                   // for which the buffers are passed to the HWComposer HAL as a
+                                   // framebuffer target layer.
+    EGLBoolean yInverted;  // True if the drawable's framebuffer is y-inverted.  This can be used to
+                           // determine if y-inverted texture coordinates need to be used when
+                           // texturing from this drawable when it is bound to a texture target.
+    EGLint matchFormat;    // LockSurface match format.
+};
+
+class ConfigSet
+{
+  private:
+    typedef std::map<EGLint, Config> ConfigMap;
+
+  public:
+    ConfigSet();
+    ConfigSet(const ConfigSet &other);
+    ~ConfigSet();
+    ConfigSet &operator=(const ConfigSet &other);
+
+    EGLint add(const Config &config);
+    const Config &get(EGLint id) const;
+
+    void clear();
+
+    size_t size() const;
+
+    bool contains(const Config *config) const;
+
+    // Filter configurations based on the table in [EGL 1.5] section 3.4.1.2 page 29
+    std::vector<const Config *> filter(const AttributeMap &attributeMap) const;
+
+    ConfigMap::iterator begin();
+    ConfigMap::iterator end();
+
+  private:
+    ConfigMap mConfigs;
+};
+
+}  // namespace egl
+
+#endif  // INCLUDE_CONFIG_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Constants.h b/gfx/angle/checkout/src/libANGLE/Constants.h
new file mode 100644
index 0000000000..36152825e4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Constants.h
@@ -0,0 +1,125 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Contants.h: Defines some implementation specific and gl constants
+
+#ifndef LIBANGLE_CONSTANTS_H_
+#define LIBANGLE_CONSTANTS_H_
+
+#include "common/platform.h"
+
+#include <stdint.h>
+
+namespace gl
+{
+
+// The binary cache is currently left disable by default, and the application can enable it.
+const size_t kDefaultMaxProgramCacheMemoryBytes = 0;
+
+enum
+{
+    // Implementation upper limits, real maximums depend on the hardware
+
+    // Only up to 32x MSAA supported.
+    IMPLEMENTATION_MAX_SAMPLE_MASK_WORDS = 1,
+    IMPLEMENTATION_MAX_SAMPLES           = 32,
+
+    MAX_VERTEX_ATTRIBS         = 16,
+    MAX_VERTEX_ATTRIB_BINDINGS = 16,
+
+    IMPLEMENTATION_MAX_VARYING_VECTORS = 32,
+    IMPLEMENTATION_MAX_DRAW_BUFFERS    = 8,
+    IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS =
+        IMPLEMENTATION_MAX_DRAW_BUFFERS + 2,  // 2 extra for depth and/or stencil buffers
+
+    // The vast majority of devices support only one dual-source draw buffer
+    IMPLEMENTATION_MAX_DUAL_SOURCE_DRAW_BUFFERS = 1,
+
+    IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS   = 16,
+    IMPLEMENTATION_MAX_GEOMETRY_SHADER_UNIFORM_BUFFERS = 16,
+    IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS = 16,
+    IMPLEMENTATION_MAX_COMPUTE_SHADER_UNIFORM_BUFFERS  = 16,
+
+    // GL_EXT_geometry_shader increases the minimum value of GL_MAX_COMBINED_UNIFORM_BLOCKS to 36.
+    // GL_EXT_tessellation_shader increases the minimum value to 60.
+    IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS = 60,
+
+    // GL_EXT_geometry_shader increases the minimum value of GL_MAX_UNIFORM_BUFFER_BINDINGS to 48.
+    // GL_EXT_tessellation_shader increases the minimum value to 72.
+    IMPLEMENTATION_MAX_UNIFORM_BUFFER_BINDINGS = 72,
+
+    // Transform feedback limits set to the minimum required by the spec.
+    IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS = 128,
+    IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS       = 4,
+    IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS    = 4,
+    IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS                = 4,
+
+    // Maximum number of views which are supported by the implementation of ANGLE_multiview.
+    IMPLEMENTATION_ANGLE_MULTIVIEW_MAX_VIEWS = 4,
+
+    // These are the maximums the implementation can support
+    // The actual GL caps are limited by the device caps
+    // and should be queried from the Context
+    IMPLEMENTATION_MAX_2D_TEXTURE_SIZE         = 32768,
+    IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE   = 32768,
+    IMPLEMENTATION_MAX_3D_TEXTURE_SIZE         = 16384,
+    IMPLEMENTATION_MAX_2D_ARRAY_TEXTURE_LAYERS = 2048,
+
+    // 1+log2 of max of MAX_*_TEXTURE_SIZE
+    IMPLEMENTATION_MAX_TEXTURE_LEVELS = 16,
+
+    IMPLEMENTATION_MAX_SHADER_TEXTURES = 32,
+
+    // In ES 3.1 and below, the limit for active textures is 64.
+    IMPLEMENTATION_MAX_ES31_ACTIVE_TEXTURES = 64,
+
+    // In ES 3.2 we need to support a minimum of 96 maximum textures.
+    IMPLEMENTATION_MAX_ACTIVE_TEXTURES = 96,
+    IMPLEMENTATION_MAX_IMAGE_UNITS     = IMPLEMENTATION_MAX_ACTIVE_TEXTURES,
+
+    // Maximum number of slots allocated for atomic counter buffers.
+    IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS = 8,
+
+    // Implementation upper limits, real maximums depend on the hardware.
+    IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS = 64,
+
+    // Implementation upper limits of max number of clip distances (minimum required per spec)
+    IMPLEMENTATION_MAX_CLIP_DISTANCES = 8,
+
+    // Implementation upper limit for layered framebuffer layer count
+    IMPLEMENTATION_MAX_FRAMEBUFFER_LAYERS = 256,
+
+    // ANGLE_shader_pixel_local_storage: keep the maximum number of supported planes reasonably
+    // similar on all platforms.
+    IMPLEMENTATION_MAX_PIXEL_LOCAL_STORAGE_PLANES = 8,
+};
+
+namespace limits
+{
+// Almost all drivers use 2048 (the minimum value) as GL_MAX_VERTEX_ATTRIB_STRIDE.  ANGLE advertizes
+// the same limit.
+constexpr uint32_t kMaxVertexAttribStride = 2048;
+
+// Some of the minimums required by GL, used to detect if the backend meets the minimum requirement.
+// Currently, there's no need to separate these values per spec version.
+constexpr uint32_t kMinimumComputeStorageBuffers = 4;
+
+// OpenGL ES 3.0+ Minimum Values
+// Table 6.31 MAX_VERTEX_UNIFORM_BLOCKS minimum value = 12
+// Table 6.32 MAX_FRAGMENT_UNIFORM_BLOCKS minimum value = 12
+constexpr uint32_t kMinimumShaderUniformBlocks = 12;
+// Table 6.31 MAX_VERTEX_OUTPUT_COMPONENTS minimum value = 64
+constexpr uint32_t kMinimumVertexOutputComponents = 64;
+
+// OpenGL ES 3.2+ Minimum Values
+// Table 21.42 TEXTURE_BUFFER_OFFSET_ALIGNMENT minimum value = 256
+constexpr uint32_t kMinTextureBufferOffsetAlignment = 256;
+
+}  // namespace limits
+
+}  // namespace gl
+
+#endif  // LIBANGLE_CONSTANTS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context.cpp b/gfx/angle/checkout/src/libANGLE/Context.cpp
new file mode 100644
index 0000000000..bfd490ab29
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context.cpp
@@ -0,0 +1,10472 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Context.cpp: Implements the gl::Context class, managing all GL state and performing
+// rendering operations. It is the GLES2 specific implementation of EGLContext.
+#include "libANGLE/Context.inl.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <iterator>
+#include <sstream>
+#include <vector>
+
+#include "common/PackedEnums.h"
+#include "common/angle_version_info.h"
+#include "common/matrix_utils.h"
+#include "common/platform.h"
+#include "common/system_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Compiler.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Fence.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/MemoryObject.h"
+#include "libANGLE/PixelLocalStorage.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ProgramPipeline.h"
+#include "libANGLE/Query.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/Sampler.h"
+#include "libANGLE/Semaphore.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/TransformFeedback.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/capture/FrameCapture.h"
+#include "libANGLE/capture/frame_capture_utils.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/queryutils.h"
+#include "libANGLE/renderer/DisplayImpl.h"
+#include "libANGLE/renderer/Format.h"
+#include "libANGLE/validationES.h"
+
+#if defined(ANGLE_PLATFORM_APPLE)
+#    include <dispatch/dispatch.h>
+#    include "common/tls.h"
+#endif
+
+namespace gl
+{
+namespace
+{
+
+egl::ShareGroup *AllocateOrGetShareGroup(egl::Display *display, const gl::Context *shareContext)
+{
+    if (shareContext)
+    {
+        egl::ShareGroup *shareGroup = shareContext->getState().getShareGroup();
+        shareGroup->addRef();
+        return shareGroup;
+    }
+    else
+    {
+        return new egl::ShareGroup(display->getImplementation());
+    }
+}
+
+template <typename T>
+angle::Result GetQueryObjectParameter(const Context *context, Query *query, GLenum pname, T *params)
+{
+    if (!query)
+    {
+        // Some applications call into glGetQueryObjectuiv(...) prior to calling glBeginQuery(...)
+        // This wouldn't be an issue since the validation layer will handle such a usecases but when
+        // the app enables EGL_KHR_create_context_no_error extension, we skip the validation layer.
+        switch (pname)
+        {
+            case GL_QUERY_RESULT_EXT:
+                *params = 0;
+                break;
+            case GL_QUERY_RESULT_AVAILABLE_EXT:
+                *params = GL_FALSE;
+                break;
+            default:
+                UNREACHABLE();
+                return angle::Result::Stop;
+        }
+        return angle::Result::Continue;
+    }
+
+    switch (pname)
+    {
+        case GL_QUERY_RESULT_EXT:
+            return query->getResult(context, params);
+        case GL_QUERY_RESULT_AVAILABLE_EXT:
+        {
+            bool available = false;
+            if (context->isContextLost())
+            {
+                available = true;
+            }
+            else
+            {
+                ANGLE_TRY(query->isResultAvailable(context, &available));
+            }
+            *params = CastFromStateValue<T>(pname, static_cast<GLuint>(available));
+            return angle::Result::Continue;
+        }
+        default:
+            UNREACHABLE();
+            return angle::Result::Stop;
+    }
+}
+
+// Attribute map queries.
+EGLint GetClientMajorVersion(const egl::AttributeMap &attribs)
+{
+    return static_cast<EGLint>(attribs.get(EGL_CONTEXT_CLIENT_VERSION, 1));
+}
+
+EGLint GetClientMinorVersion(const egl::AttributeMap &attribs)
+{
+    return static_cast<EGLint>(attribs.get(EGL_CONTEXT_MINOR_VERSION, 0));
+}
+
+bool GetBackwardCompatibleContext(const egl::AttributeMap &attribs)
+{
+    return attribs.get(EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE, EGL_TRUE) == EGL_TRUE;
+}
+
+bool GetWebGLContext(const egl::AttributeMap &attribs)
+{
+    return (attribs.get(EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE, EGL_FALSE) == EGL_TRUE);
+}
+
+Version GetClientVersion(egl::Display *display,
+                         const egl::AttributeMap &attribs,
+                         const EGLenum clientType)
+{
+    Version requestedVersion =
+        Version(GetClientMajorVersion(attribs), GetClientMinorVersion(attribs));
+    if (GetBackwardCompatibleContext(attribs))
+    {
+        if (clientType == EGL_OPENGL_API)
+        {
+            Optional<gl::Version> maxSupportedDesktopVersion =
+                display->getImplementation()->getMaxSupportedDesktopVersion();
+            if (maxSupportedDesktopVersion.valid())
+                return std::max(maxSupportedDesktopVersion.value(), requestedVersion);
+            else
+                return requestedVersion;
+        }
+        else if (requestedVersion.major == 1)
+        {
+            // If the user requests an ES1 context, we cannot return an ES 2+ context.
+            return Version(1, 1);
+        }
+        else
+        {
+            // Always up the version to at least the max conformant version this display supports.
+            // Only return a higher client version if requested.
+            const Version conformantVersion = std::max(
+                display->getImplementation()->getMaxConformantESVersion(), requestedVersion);
+            // Limit the WebGL context to at most version 3.1
+            const bool isWebGL = GetWebGLContext(attribs);
+            return isWebGL ? std::min(conformantVersion, Version(3, 1)) : conformantVersion;
+        }
+    }
+    else
+    {
+        return requestedVersion;
+    }
+}
+
+EGLint GetProfileMask(const egl::AttributeMap &attribs)
+{
+    return attribs.getAsInt(EGL_CONTEXT_OPENGL_PROFILE_MASK, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT);
+}
+
+GLenum GetResetStrategy(const egl::AttributeMap &attribs)
+{
+    EGLAttrib resetStrategyExt =
+        attribs.get(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT, EGL_NO_RESET_NOTIFICATION);
+    EGLAttrib resetStrategyCore =
+        attribs.get(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY, resetStrategyExt);
+
+    switch (resetStrategyCore)
+    {
+        case EGL_NO_RESET_NOTIFICATION:
+            return GL_NO_RESET_NOTIFICATION_EXT;
+        case EGL_LOSE_CONTEXT_ON_RESET:
+            return GL_LOSE_CONTEXT_ON_RESET_EXT;
+        default:
+            UNREACHABLE();
+            return GL_NONE;
+    }
+}
+
+bool GetRobustAccess(const egl::AttributeMap &attribs)
+{
+    EGLAttrib robustAccessExt  = attribs.get(EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT, EGL_FALSE);
+    EGLAttrib robustAccessCore = attribs.get(EGL_CONTEXT_OPENGL_ROBUST_ACCESS, robustAccessExt);
+
+    bool attribRobustAccess = (robustAccessCore == EGL_TRUE);
+    bool contextFlagsRobustAccess =
+        ((attribs.get(EGL_CONTEXT_FLAGS_KHR, 0) & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0);
+
+    return (attribRobustAccess || contextFlagsRobustAccess);
+}
+
+bool GetDebug(const egl::AttributeMap &attribs)
+{
+    return (attribs.get(EGL_CONTEXT_OPENGL_DEBUG, EGL_FALSE) == EGL_TRUE) ||
+           ((attribs.get(EGL_CONTEXT_FLAGS_KHR, 0) & EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR) != 0);
+}
+
+bool GetNoError(const egl::AttributeMap &attribs)
+{
+    return (attribs.get(EGL_CONTEXT_OPENGL_NO_ERROR_KHR, EGL_FALSE) == EGL_TRUE);
+}
+
+bool GetExtensionsEnabled(const egl::AttributeMap &attribs, bool webGLContext)
+{
+    // If the context is WebGL, extensions are disabled by default
+    EGLAttrib defaultValue = webGLContext ? EGL_FALSE : EGL_TRUE;
+    return (attribs.get(EGL_EXTENSIONS_ENABLED_ANGLE, defaultValue) == EGL_TRUE);
+}
+
+bool GetBindGeneratesResource(const egl::AttributeMap &attribs)
+{
+    return (attribs.get(EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM, EGL_TRUE) == EGL_TRUE);
+}
+
+bool GetClientArraysEnabled(const egl::AttributeMap &attribs)
+{
+    return (attribs.get(EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE, EGL_TRUE) == EGL_TRUE);
+}
+
+bool GetRobustResourceInit(egl::Display *display, const egl::AttributeMap &attribs)
+{
+    const angle::FrontendFeatures &frontendFeatures = display->getFrontendFeatures();
+    return (frontendFeatures.forceRobustResourceInit.enabled ||
+            attribs.get(EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, EGL_FALSE) == EGL_TRUE);
+}
+
+EGLenum GetContextPriority(const egl::AttributeMap &attribs)
+{
+    return static_cast<EGLenum>(
+        attribs.getAsInt(EGL_CONTEXT_PRIORITY_LEVEL_IMG, EGL_CONTEXT_PRIORITY_MEDIUM_IMG));
+}
+
+bool GetProtectedContent(const egl::AttributeMap &attribs)
+{
+    return static_cast<bool>(attribs.getAsInt(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE));
+}
+
+std::string GetObjectLabelFromPointer(GLsizei length, const GLchar *label)
+{
+    std::string labelName;
+    if (label != nullptr)
+    {
+        size_t labelLength = length < 0 ? strlen(label) : length;
+        labelName          = std::string(label, labelLength);
+    }
+    return labelName;
+}
+
+void GetObjectLabelBase(const std::string &objectLabel,
+                        GLsizei bufSize,
+                        GLsizei *length,
+                        GLchar *label)
+{
+    size_t writeLength = objectLabel.length();
+    if (label != nullptr && bufSize > 0)
+    {
+        writeLength = std::min(static_cast<size_t>(bufSize) - 1, objectLabel.length());
+        std::copy(objectLabel.begin(), objectLabel.begin() + writeLength, label);
+        label[writeLength] = '\0';
+    }
+
+    if (length != nullptr)
+    {
+        *length = static_cast<GLsizei>(writeLength);
+    }
+}
+
+enum SubjectIndexes : angle::SubjectIndex
+{
+    kTexture0SubjectIndex       = 0,
+    kTextureMaxSubjectIndex     = kTexture0SubjectIndex + IMPLEMENTATION_MAX_ACTIVE_TEXTURES,
+    kImage0SubjectIndex         = kTextureMaxSubjectIndex,
+    kImageMaxSubjectIndex       = kImage0SubjectIndex + IMPLEMENTATION_MAX_IMAGE_UNITS,
+    kUniformBuffer0SubjectIndex = kImageMaxSubjectIndex,
+    kUniformBufferMaxSubjectIndex =
+        kUniformBuffer0SubjectIndex + IMPLEMENTATION_MAX_UNIFORM_BUFFER_BINDINGS,
+    kAtomicCounterBuffer0SubjectIndex = kUniformBufferMaxSubjectIndex,
+    kAtomicCounterBufferMaxSubjectIndex =
+        kAtomicCounterBuffer0SubjectIndex + IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS,
+    kShaderStorageBuffer0SubjectIndex = kAtomicCounterBufferMaxSubjectIndex,
+    kShaderStorageBufferMaxSubjectIndex =
+        kShaderStorageBuffer0SubjectIndex + IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS,
+    kSampler0SubjectIndex    = kShaderStorageBufferMaxSubjectIndex,
+    kSamplerMaxSubjectIndex  = kSampler0SubjectIndex + IMPLEMENTATION_MAX_ACTIVE_TEXTURES,
+    kVertexArraySubjectIndex = kSamplerMaxSubjectIndex,
+    kReadFramebufferSubjectIndex,
+    kDrawFramebufferSubjectIndex,
+    kProgramPipelineSubjectIndex,
+};
+
+bool IsClearBufferEnabled(const FramebufferState &fbState, GLenum buffer, GLint drawbuffer)
+{
+    return buffer != GL_COLOR || fbState.getEnabledDrawBuffers()[drawbuffer];
+}
+
+bool IsEmptyScissor(const State &glState)
+{
+    if (!glState.isScissorTestEnabled())
+    {
+        return false;
+    }
+
+    const Extents &dimensions = glState.getDrawFramebuffer()->getExtents();
+    Rectangle framebufferArea(0, 0, dimensions.width, dimensions.height);
+    return !ClipRectangle(framebufferArea, glState.getScissor(), nullptr);
+}
+
+bool IsColorMaskedOut(const BlendStateExt &blendStateExt, const GLint drawbuffer)
+{
+    ASSERT(static_cast<size_t>(drawbuffer) < blendStateExt.getDrawBufferCount());
+    return blendStateExt.getColorMaskIndexed(static_cast<size_t>(drawbuffer)) == 0;
+}
+
+bool GetIsExternal(const egl::AttributeMap &attribs)
+{
+    return (attribs.get(EGL_EXTERNAL_CONTEXT_ANGLE, EGL_FALSE) == EGL_TRUE);
+}
+
+bool GetSaveAndRestoreState(const egl::AttributeMap &attribs)
+{
+    return (attribs.get(EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE, EGL_FALSE) == EGL_TRUE);
+}
+
+void GetPerfMonitorString(const std::string &name,
+                          GLsizei bufSize,
+                          GLsizei *length,
+                          GLchar *stringOut)
+{
+    GLsizei numCharsWritten = std::min(bufSize, static_cast<GLsizei>(name.size()));
+
+    if (length)
+    {
+        if (bufSize == 0)
+        {
+            *length = static_cast<GLsizei>(name.size());
+        }
+        else
+        {
+            // Excludes null terminator.
+            ASSERT(numCharsWritten > 0);
+            *length = numCharsWritten - 1;
+        }
+    }
+
+    if (stringOut)
+    {
+        memcpy(stringOut, name.c_str(), numCharsWritten);
+    }
+}
+
+bool CanSupportAEP(const gl::Version &version, const gl::Extensions &extensions)
+{
+    // From the GL_ANDROID_extension_pack_es31a extension spec:
+    // OpenGL ES 3.1 and GLSL ES 3.10 are required.
+    // The following extensions are required:
+    // * KHR_debug
+    // * KHR_texture_compression_astc_ldr
+    // * KHR_blend_equation_advanced
+    // * OES_sample_shading
+    // * OES_sample_variables
+    // * OES_shader_image_atomic
+    // * OES_shader_multisample_interpolation
+    // * OES_texture_stencil8
+    // * OES_texture_storage_multisample_2d_array
+    // * EXT_copy_image
+    // * EXT_draw_buffers_indexed
+    // * EXT_geometry_shader
+    // * EXT_gpu_shader5
+    // * EXT_primitive_bounding_box
+    // * EXT_shader_io_blocks
+    // * EXT_tessellation_shader
+    // * EXT_texture_border_clamp
+    // * EXT_texture_buffer
+    // * EXT_texture_cube_map_array
+    // * EXT_texture_sRGB_decode
+    return (version >= ES_3_1 && extensions.debugKHR && extensions.textureCompressionAstcLdrKHR &&
+            extensions.blendEquationAdvancedKHR && extensions.sampleShadingOES &&
+            extensions.sampleVariablesOES && extensions.shaderImageAtomicOES &&
+            extensions.shaderMultisampleInterpolationOES && extensions.textureStencil8OES &&
+            extensions.textureStorageMultisample2dArrayOES && extensions.copyImageEXT &&
+            extensions.drawBuffersIndexedEXT && extensions.geometryShaderEXT &&
+            extensions.gpuShader5EXT && extensions.primitiveBoundingBoxEXT &&
+            extensions.shaderIoBlocksEXT && extensions.tessellationShaderEXT &&
+            extensions.textureBorderClampEXT && extensions.textureBufferEXT &&
+            extensions.textureCubeMapArrayEXT && extensions.textureSRGBDecodeEXT);
+}
+}  // anonymous namespace
+
+#if defined(ANGLE_PLATFORM_APPLE)
+// TODO(angleproject:6479): Due to a bug in Apple's dyld loader, `thread_local` will cause
+// excessive memory use. Temporarily avoid it by using pthread's thread
+// local storage instead.
+static TLSIndex GetCurrentValidContextTLSIndex()
+{
+    static TLSIndex CurrentValidContextIndex = TLS_INVALID_INDEX;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+      ASSERT(CurrentValidContextIndex == TLS_INVALID_INDEX);
+      CurrentValidContextIndex = CreateTLSIndex(nullptr);
+    });
+    return CurrentValidContextIndex;
+}
+Context *GetCurrentValidContextTLS()
+{
+    TLSIndex CurrentValidContextIndex = GetCurrentValidContextTLSIndex();
+    ASSERT(CurrentValidContextIndex != TLS_INVALID_INDEX);
+    return static_cast<Context *>(GetTLSValue(CurrentValidContextIndex));
+}
+void SetCurrentValidContextTLS(Context *context)
+{
+    TLSIndex CurrentValidContextIndex = GetCurrentValidContextTLSIndex();
+    ASSERT(CurrentValidContextIndex != TLS_INVALID_INDEX);
+    SetTLSValue(CurrentValidContextIndex, context);
+}
+#else
+thread_local Context *gCurrentValidContext = nullptr;
+#endif
+
+Context::Context(egl::Display *display,
+                 const egl::Config *config,
+                 const Context *shareContext,
+                 TextureManager *shareTextures,
+                 SemaphoreManager *shareSemaphores,
+                 MemoryProgramCache *memoryProgramCache,
+                 MemoryShaderCache *memoryShaderCache,
+                 const EGLenum clientType,
+                 const egl::AttributeMap &attribs,
+                 const egl::DisplayExtensions &displayExtensions,
+                 const egl::ClientExtensions &clientExtensions)
+    : mState(shareContext ? &shareContext->mState : nullptr,
+             AllocateOrGetShareGroup(display, shareContext),
+             shareTextures,
+             shareSemaphores,
+             &mOverlay,
+             clientType,
+             GetClientVersion(display, attribs, clientType),
+             GetProfileMask(attribs),
+             GetDebug(attribs),
+             GetBindGeneratesResource(attribs),
+             GetClientArraysEnabled(attribs),
+             GetRobustResourceInit(display, attribs),
+             memoryProgramCache != nullptr,
+             GetContextPriority(attribs),
+             GetRobustAccess(attribs),
+             GetProtectedContent(attribs)),
+      mShared(shareContext != nullptr || shareTextures != nullptr || shareSemaphores != nullptr),
+      mSkipValidation(GetNoError(attribs)),
+      mDisplayTextureShareGroup(shareTextures != nullptr),
+      mDisplaySemaphoreShareGroup(shareSemaphores != nullptr),
+      mErrors(this),
+      mImplementation(display->getImplementation()
+                          ->createContext(mState, &mErrors, config, shareContext, attribs)),
+      mLabel(nullptr),
+      mCompiler(),
+      mConfig(config),
+      mHasBeenCurrent(false),
+      mContextLost(false),
+      mResetStatus(GraphicsResetStatus::NoError),
+      mContextLostForced(false),
+      mResetStrategy(GetResetStrategy(attribs)),
+      mSurfacelessSupported(displayExtensions.surfacelessContext),
+      mCurrentDrawSurface(static_cast<egl::Surface *>(EGL_NO_SURFACE)),
+      mCurrentReadSurface(static_cast<egl::Surface *>(EGL_NO_SURFACE)),
+      mDisplay(display),
+      mWebGLContext(GetWebGLContext(attribs)),
+      mBufferAccessValidationEnabled(false),
+      mExtensionsEnabled(GetExtensionsEnabled(attribs, mWebGLContext)),
+      mMemoryProgramCache(memoryProgramCache),
+      mMemoryShaderCache(memoryShaderCache),
+      mVertexArrayObserverBinding(this, kVertexArraySubjectIndex),
+      mDrawFramebufferObserverBinding(this, kDrawFramebufferSubjectIndex),
+      mReadFramebufferObserverBinding(this, kReadFramebufferSubjectIndex),
+      mProgramPipelineObserverBinding(this, kProgramPipelineSubjectIndex),
+      mSingleThreadPool(nullptr),
+      mMultiThreadPool(nullptr),
+      mFrameCapture(new angle::FrameCapture),
+      mRefCount(0),
+      mOverlay(mImplementation.get()),
+      mIsExternal(GetIsExternal(attribs)),
+      mSaveAndRestoreState(GetSaveAndRestoreState(attribs)),
+      mIsDestroyed(false)
+{
+    for (angle::SubjectIndex uboIndex = kUniformBuffer0SubjectIndex;
+         uboIndex < kUniformBufferMaxSubjectIndex; ++uboIndex)
+    {
+        mUniformBufferObserverBindings.emplace_back(this, uboIndex);
+    }
+
+    for (angle::SubjectIndex acbIndex = kAtomicCounterBuffer0SubjectIndex;
+         acbIndex < kAtomicCounterBufferMaxSubjectIndex; ++acbIndex)
+    {
+        mAtomicCounterBufferObserverBindings.emplace_back(this, acbIndex);
+    }
+
+    for (angle::SubjectIndex ssboIndex = kShaderStorageBuffer0SubjectIndex;
+         ssboIndex < kShaderStorageBufferMaxSubjectIndex; ++ssboIndex)
+    {
+        mShaderStorageBufferObserverBindings.emplace_back(this, ssboIndex);
+    }
+
+    for (angle::SubjectIndex samplerIndex = kSampler0SubjectIndex;
+         samplerIndex < kSamplerMaxSubjectIndex; ++samplerIndex)
+    {
+        mSamplerObserverBindings.emplace_back(this, samplerIndex);
+    }
+
+    for (angle::SubjectIndex imageIndex = kImage0SubjectIndex; imageIndex < kImageMaxSubjectIndex;
+         ++imageIndex)
+    {
+        mImageObserverBindings.emplace_back(this, imageIndex);
+    }
+
+    // Implementations now require the display to be set at context creation.
+    ASSERT(mDisplay);
+}
+
+egl::Error Context::initialize()
+{
+    if (!mImplementation)
+        return egl::Error(EGL_NOT_INITIALIZED, "native context creation failed");
+    return egl::NoError();
+}
+
+void Context::initializeDefaultResources()
+{
+    mImplementation->setMemoryProgramCache(mMemoryProgramCache);
+
+    initCaps();
+
+    mState.initialize(this);
+
+    mDefaultFramebuffer = std::make_unique<Framebuffer>(this, mImplementation.get());
+
+    mFenceNVHandleAllocator.setBaseHandle(0);
+
+    // [OpenGL ES 2.0.24] section 3.7 page 83:
+    // In the initial state, TEXTURE_2D and TEXTURE_CUBE_MAP have two-dimensional
+    // and cube map texture state vectors respectively associated with them.
+    // In order that access to these initial textures not be lost, they are treated as texture
+    // objects all of whose names are 0.
+
+    Texture *zeroTexture2D = new Texture(mImplementation.get(), {0}, TextureType::_2D);
+    mZeroTextures[TextureType::_2D].set(this, zeroTexture2D);
+
+    Texture *zeroTextureCube = new Texture(mImplementation.get(), {0}, TextureType::CubeMap);
+    mZeroTextures[TextureType::CubeMap].set(this, zeroTextureCube);
+
+    if (getClientVersion() >= Version(3, 0) || mSupportedExtensions.texture3DOES)
+    {
+        Texture *zeroTexture3D = new Texture(mImplementation.get(), {0}, TextureType::_3D);
+        mZeroTextures[TextureType::_3D].set(this, zeroTexture3D);
+    }
+    if (getClientVersion() >= Version(3, 0))
+    {
+        Texture *zeroTexture2DArray =
+            new Texture(mImplementation.get(), {0}, TextureType::_2DArray);
+        mZeroTextures[TextureType::_2DArray].set(this, zeroTexture2DArray);
+    }
+    if (getClientVersion() >= Version(3, 1) || mSupportedExtensions.textureMultisampleANGLE)
+    {
+        Texture *zeroTexture2DMultisample =
+            new Texture(mImplementation.get(), {0}, TextureType::_2DMultisample);
+        mZeroTextures[TextureType::_2DMultisample].set(this, zeroTexture2DMultisample);
+    }
+    if (getClientVersion() >= Version(3, 1))
+    {
+        Texture *zeroTexture2DMultisampleArray =
+            new Texture(mImplementation.get(), {0}, TextureType::_2DMultisampleArray);
+        mZeroTextures[TextureType::_2DMultisampleArray].set(this, zeroTexture2DMultisampleArray);
+
+        for (int i = 0; i < mState.mCaps.maxAtomicCounterBufferBindings; i++)
+        {
+            bindBufferRange(BufferBinding::AtomicCounter, i, {0}, 0, 0);
+        }
+
+        for (int i = 0; i < mState.mCaps.maxShaderStorageBufferBindings; i++)
+        {
+            bindBufferRange(BufferBinding::ShaderStorage, i, {0}, 0, 0);
+        }
+    }
+
+    if ((getClientType() != EGL_OPENGL_API && getClientVersion() >= Version(3, 2)) ||
+        mSupportedExtensions.textureCubeMapArrayAny())
+    {
+        Texture *zeroTextureCubeMapArray =
+            new Texture(mImplementation.get(), {0}, TextureType::CubeMapArray);
+        mZeroTextures[TextureType::CubeMapArray].set(this, zeroTextureCubeMapArray);
+    }
+
+    if ((getClientType() != EGL_OPENGL_API && getClientVersion() >= Version(3, 2)) ||
+        mSupportedExtensions.textureBufferAny())
+    {
+        Texture *zeroTextureBuffer = new Texture(mImplementation.get(), {0}, TextureType::Buffer);
+        mZeroTextures[TextureType::Buffer].set(this, zeroTextureBuffer);
+    }
+
+    if (mSupportedExtensions.textureRectangleANGLE)
+    {
+        Texture *zeroTextureRectangle =
+            new Texture(mImplementation.get(), {0}, TextureType::Rectangle);
+        mZeroTextures[TextureType::Rectangle].set(this, zeroTextureRectangle);
+    }
+
+    if (mSupportedExtensions.EGLImageExternalOES ||
+        mSupportedExtensions.EGLStreamConsumerExternalNV)
+    {
+        Texture *zeroTextureExternal =
+            new Texture(mImplementation.get(), {0}, TextureType::External);
+        mZeroTextures[TextureType::External].set(this, zeroTextureExternal);
+    }
+
+    // This may change native TEXTURE_2D, TEXTURE_EXTERNAL_OES and TEXTURE_RECTANGLE,
+    // binding states. Ensure state manager is aware of this when binding
+    // this texture type.
+    if (mSupportedExtensions.videoTextureWEBGL)
+    {
+        Texture *zeroTextureVideoImage =
+            new Texture(mImplementation.get(), {0}, TextureType::VideoImage);
+        mZeroTextures[TextureType::VideoImage].set(this, zeroTextureVideoImage);
+    }
+
+    mState.initializeZeroTextures(this, mZeroTextures);
+
+    ANGLE_CONTEXT_TRY(mImplementation->initialize());
+
+    // Add context into the share group
+    mState.getShareGroup()->addSharedContext(this);
+
+    bindVertexArray({0});
+
+    if (getClientVersion() >= Version(3, 0))
+    {
+        // [OpenGL ES 3.0.2] section 2.14.1 pg 85:
+        // In the initial state, a default transform feedback object is bound and treated as
+        // a transform feedback object with a name of zero. That object is bound any time
+        // BindTransformFeedback is called with id of zero
+        bindTransformFeedback(GL_TRANSFORM_FEEDBACK, {0});
+    }
+
+    for (auto type : angle::AllEnums<BufferBinding>())
+    {
+        bindBuffer(type, {0});
+    }
+
+    bindRenderbuffer(GL_RENDERBUFFER, {0});
+
+    for (int i = 0; i < mState.mCaps.maxUniformBufferBindings; i++)
+    {
+        bindBufferRange(BufferBinding::Uniform, i, {0}, 0, -1);
+    }
+
+    // Initialize GLES1 renderer if appropriate.
+    if (getClientVersion() < Version(2, 0))
+    {
+        mGLES1Renderer.reset(new GLES1Renderer());
+    }
+
+    // Initialize dirty bit masks
+    mAllDirtyBits.set();
+
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_ACTIVE_TEXTURES);
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_DRAW_FRAMEBUFFER);
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_VERTEX_ARRAY);
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_TEXTURES);
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_PROGRAM);
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_PROGRAM_PIPELINE_OBJECT);
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_SAMPLERS);
+    mDrawDirtyObjects.set(State::DIRTY_OBJECT_IMAGES);
+
+    mTexImageDirtyBits.set(State::DIRTY_BIT_UNPACK_STATE);
+    mTexImageDirtyBits.set(State::DIRTY_BIT_UNPACK_BUFFER_BINDING);
+    mTexImageDirtyBits.set(State::DIRTY_BIT_EXTENDED);
+    // No dirty objects.
+
+    // Readpixels uses the pack state and read FBO
+    mReadPixelsDirtyBits.set(State::DIRTY_BIT_PACK_STATE);
+    mReadPixelsDirtyBits.set(State::DIRTY_BIT_PACK_BUFFER_BINDING);
+    mReadPixelsDirtyBits.set(State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
+    mReadPixelsDirtyObjects.set(State::DIRTY_OBJECT_READ_FRAMEBUFFER);
+
+    mClearDirtyBits.set(State::DIRTY_BIT_RASTERIZER_DISCARD_ENABLED);
+    mClearDirtyBits.set(State::DIRTY_BIT_SCISSOR_TEST_ENABLED);
+    mClearDirtyBits.set(State::DIRTY_BIT_SCISSOR);
+    mClearDirtyBits.set(State::DIRTY_BIT_VIEWPORT);
+    mClearDirtyBits.set(State::DIRTY_BIT_CLEAR_COLOR);
+    mClearDirtyBits.set(State::DIRTY_BIT_CLEAR_DEPTH);
+    mClearDirtyBits.set(State::DIRTY_BIT_CLEAR_STENCIL);
+    mClearDirtyBits.set(State::DIRTY_BIT_COLOR_MASK);
+    mClearDirtyBits.set(State::DIRTY_BIT_DEPTH_MASK);
+    mClearDirtyBits.set(State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT);
+    mClearDirtyBits.set(State::DIRTY_BIT_STENCIL_WRITEMASK_BACK);
+    mClearDirtyBits.set(State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING);
+    mClearDirtyObjects.set(State::DIRTY_OBJECT_DRAW_FRAMEBUFFER);
+
+    // We sync the draw Framebuffer manually in prepareForClear to allow the clear calls to do
+    // more custom handling for robust resource init.
+
+    mBlitDirtyBits.set(State::DIRTY_BIT_SCISSOR_TEST_ENABLED);
+    mBlitDirtyBits.set(State::DIRTY_BIT_SCISSOR);
+    mBlitDirtyBits.set(State::DIRTY_BIT_FRAMEBUFFER_SRGB_WRITE_CONTROL_MODE);
+    mBlitDirtyBits.set(State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
+    mBlitDirtyBits.set(State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING);
+    mBlitDirtyObjects.set(State::DIRTY_OBJECT_READ_FRAMEBUFFER);
+    mBlitDirtyObjects.set(State::DIRTY_OBJECT_DRAW_FRAMEBUFFER);
+
+    mComputeDirtyBits.set(State::DIRTY_BIT_SHADER_STORAGE_BUFFER_BINDING);
+    mComputeDirtyBits.set(State::DIRTY_BIT_UNIFORM_BUFFER_BINDINGS);
+    mComputeDirtyBits.set(State::DIRTY_BIT_ATOMIC_COUNTER_BUFFER_BINDING);
+    mComputeDirtyBits.set(State::DIRTY_BIT_PROGRAM_BINDING);
+    mComputeDirtyBits.set(State::DIRTY_BIT_PROGRAM_EXECUTABLE);
+    mComputeDirtyBits.set(State::DIRTY_BIT_TEXTURE_BINDINGS);
+    mComputeDirtyBits.set(State::DIRTY_BIT_SAMPLER_BINDINGS);
+    mComputeDirtyBits.set(State::DIRTY_BIT_IMAGE_BINDINGS);
+    mComputeDirtyBits.set(State::DIRTY_BIT_DISPATCH_INDIRECT_BUFFER_BINDING);
+    mComputeDirtyObjects.set(State::DIRTY_OBJECT_ACTIVE_TEXTURES);
+    mComputeDirtyObjects.set(State::DIRTY_OBJECT_TEXTURES);
+    mComputeDirtyObjects.set(State::DIRTY_OBJECT_PROGRAM);
+    mComputeDirtyObjects.set(State::DIRTY_OBJECT_PROGRAM_PIPELINE_OBJECT);
+    mComputeDirtyObjects.set(State::DIRTY_OBJECT_IMAGES);
+    mComputeDirtyObjects.set(State::DIRTY_OBJECT_SAMPLERS);
+
+    mCopyImageDirtyBits.set(State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
+    mCopyImageDirtyObjects.set(State::DIRTY_OBJECT_READ_FRAMEBUFFER);
+
+    mReadInvalidateDirtyBits.set(State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
+    mDrawInvalidateDirtyBits.set(State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING);
+
+    mOverlay.init();
+}
+
+egl::Error Context::onDestroy(const egl::Display *display)
+{
+    if (!mHasBeenCurrent)
+    {
+        // The context is never current, so default resources are not allocated.
+        return egl::NoError();
+    }
+
+    // eglDestoryContext() must have been called for this Context and there must not be any Threads
+    // that still have it current.
+    ASSERT(mIsDestroyed == true && mRefCount == 0);
+
+    // Dump frame capture if enabled.
+    getShareGroup()->getFrameCaptureShared()->onDestroyContext(this);
+
+    // Remove context from the capture share group
+    getShareGroup()->removeSharedContext(this);
+
+    if (mGLES1Renderer)
+    {
+        mGLES1Renderer->onDestroy(this, &mState);
+    }
+
+    ANGLE_TRY(unMakeCurrent(display));
+
+    mDefaultFramebuffer->onDestroy(this);
+    mDefaultFramebuffer.reset();
+
+    for (auto fence : mFenceNVMap)
+    {
+        if (fence.second)
+        {
+            fence.second->onDestroy(this);
+        }
+        SafeDelete(fence.second);
+    }
+    mFenceNVMap.clear();
+
+    for (auto query : mQueryMap)
+    {
+        if (query.second != nullptr)
+        {
+            query.second->release(this);
+        }
+    }
+    mQueryMap.clear();
+
+    for (auto vertexArray : mVertexArrayMap)
+    {
+        if (vertexArray.second)
+        {
+            vertexArray.second->onDestroy(this);
+        }
+    }
+    mVertexArrayMap.clear();
+
+    for (auto transformFeedback : mTransformFeedbackMap)
+    {
+        if (transformFeedback.second != nullptr)
+        {
+            transformFeedback.second->release(this);
+        }
+    }
+    mTransformFeedbackMap.clear();
+
+    for (BindingPointer<Texture> &zeroTexture : mZeroTextures)
+    {
+        if (zeroTexture.get() != nullptr)
+        {
+            zeroTexture.set(this, nullptr);
+        }
+    }
+
+    releaseShaderCompiler();
+
+    mState.reset(this);
+
+    mState.mBufferManager->release(this);
+    // mProgramPipelineManager must be before mShaderProgramManager to give each
+    // PPO the chance to release any references they have to the Programs that
+    // are bound to them before the Programs are released()'ed.
+    mState.mProgramPipelineManager->release(this);
+    mState.mShaderProgramManager->release(this);
+    mState.mTextureManager->release(this);
+    mState.mRenderbufferManager->release(this);
+    mState.mSamplerManager->release(this);
+    mState.mSyncManager->release(this);
+    mState.mFramebufferManager->release(this);
+    mState.mMemoryObjectManager->release(this);
+    mState.mSemaphoreManager->release(this);
+
+    mSingleThreadPool.reset();
+    mMultiThreadPool.reset();
+
+    mImplementation->onDestroy(this);
+
+    // Backend requires implementation to be destroyed first to close down all the objects
+    mState.mShareGroup->release(display);
+
+    mOverlay.destroy(this);
+
+    return egl::NoError();
+}
+
+Context::~Context() {}
+
+void Context::setLabel(EGLLabelKHR label)
+{
+    mLabel = label;
+}
+
+EGLLabelKHR Context::getLabel() const
+{
+    return mLabel;
+}
+
+egl::Error Context::makeCurrent(egl::Display *display,
+                                egl::Surface *drawSurface,
+                                egl::Surface *readSurface)
+{
+    mDisplay = display;
+
+    if (!mHasBeenCurrent)
+    {
+        initializeDefaultResources();
+        initRendererString();
+        initVersionStrings();
+        initExtensionStrings();
+
+        int width  = 0;
+        int height = 0;
+        if (drawSurface != nullptr)
+        {
+            width  = drawSurface->getWidth();
+            height = drawSurface->getHeight();
+        }
+
+        mState.setViewportParams(0, 0, width, height);
+        mState.setScissorParams(0, 0, width, height);
+
+        mHasBeenCurrent = true;
+    }
+
+    ANGLE_TRY(unsetDefaultFramebuffer());
+
+    getShareGroup()->getFrameCaptureShared()->onMakeCurrent(this, drawSurface);
+
+    // TODO(jmadill): Rework this when we support ContextImpl
+    mState.setAllDirtyBits();
+    mState.setAllDirtyObjects();
+
+    ANGLE_TRY(setDefaultFramebuffer(drawSurface, readSurface));
+
+    // Notify the renderer of a context switch.
+    angle::Result implResult = mImplementation->onMakeCurrent(this);
+
+    // If the implementation fails onMakeCurrent, unset the default framebuffer.
+    if (implResult != angle::Result::Continue)
+    {
+        ANGLE_TRY(unsetDefaultFramebuffer());
+        return angle::ResultToEGL(implResult);
+    }
+
+    return egl::NoError();
+}
+
+egl::Error Context::unMakeCurrent(const egl::Display *display)
+{
+    ANGLE_TRY(angle::ResultToEGL(mImplementation->onUnMakeCurrent(this)));
+
+    ANGLE_TRY(unsetDefaultFramebuffer());
+
+    // Return the scratch buffers to the display so they can be shared with other contexts while
+    // this one is not current.
+    if (mScratchBuffer.valid())
+    {
+        mDisplay->returnScratchBuffer(mScratchBuffer.release());
+    }
+    if (mZeroFilledBuffer.valid())
+    {
+        mDisplay->returnZeroFilledBuffer(mZeroFilledBuffer.release());
+    }
+
+    return egl::NoError();
+}
+
+BufferID Context::createBuffer()
+{
+    return mState.mBufferManager->createBuffer();
+}
+
+GLuint Context::createProgram()
+{
+    return mState.mShaderProgramManager->createProgram(mImplementation.get()).value;
+}
+
+GLuint Context::createShader(ShaderType type)
+{
+    return mState.mShaderProgramManager
+        ->createShader(mImplementation.get(), mState.mLimitations, type)
+        .value;
+}
+
+TextureID Context::createTexture()
+{
+    return mState.mTextureManager->createTexture();
+}
+
+RenderbufferID Context::createRenderbuffer()
+{
+    return mState.mRenderbufferManager->createRenderbuffer();
+}
+
+// Returns an unused framebuffer name
+FramebufferID Context::createFramebuffer()
+{
+    return mState.mFramebufferManager->createFramebuffer();
+}
+
+void Context::genFencesNV(GLsizei n, FenceNVID *fences)
+{
+    for (int i = 0; i < n; i++)
+    {
+        GLuint handle = mFenceNVHandleAllocator.allocate();
+        mFenceNVMap.assign({handle}, new FenceNV(mImplementation.get()));
+        fences[i] = {handle};
+    }
+}
+
+ProgramPipelineID Context::createProgramPipeline()
+{
+    return mState.mProgramPipelineManager->createProgramPipeline();
+}
+
+GLuint Context::createShaderProgramv(ShaderType type, GLsizei count, const GLchar *const *strings)
+{
+    const ShaderProgramID shaderID = PackParam<ShaderProgramID>(createShader(type));
+    if (shaderID.value)
+    {
+        Shader *shaderObject = getShader(shaderID);
+        ASSERT(shaderObject);
+        shaderObject->setSource(count, strings, nullptr);
+        shaderObject->compile(this);
+        const ShaderProgramID programID = PackParam<ShaderProgramID>(createProgram());
+        if (programID.value)
+        {
+            gl::Program *programObject = getProgramNoResolveLink(programID);
+            ASSERT(programObject);
+
+            if (shaderObject->isCompiled(this))
+            {
+                // As per Khronos issue 2261:
+                // https://gitlab.khronos.org/Tracker/vk-gl-cts/issues/2261
+                // We must wait to mark the program separable until it's successfully compiled.
+                programObject->setSeparable(true);
+
+                programObject->attachShader(shaderObject);
+
+                if (programObject->link(this) != angle::Result::Continue)
+                {
+                    deleteShader(shaderID);
+                    deleteProgram(programID);
+                    return 0u;
+                }
+                if (onProgramLink(programObject) != angle::Result::Continue)
+                {
+                    deleteShader(shaderID);
+                    deleteProgram(programID);
+                    return 0u;
+                }
+
+                programObject->detachShader(this, shaderObject);
+            }
+
+            InfoLog &programInfoLog = programObject->getExecutable().getInfoLog();
+            programInfoLog << shaderObject->getInfoLogString();
+        }
+
+        deleteShader(shaderID);
+
+        return programID.value;
+    }
+
+    return 0u;
+}
+
+MemoryObjectID Context::createMemoryObject()
+{
+    return mState.mMemoryObjectManager->createMemoryObject(mImplementation.get());
+}
+
+SemaphoreID Context::createSemaphore()
+{
+    return mState.mSemaphoreManager->createSemaphore(mImplementation.get());
+}
+
+void Context::deleteBuffer(BufferID bufferName)
+{
+    Buffer *buffer = mState.mBufferManager->getBuffer(bufferName);
+    if (buffer)
+    {
+        detachBuffer(buffer);
+    }
+
+    mState.mBufferManager->deleteObject(this, bufferName);
+}
+
+void Context::deleteShader(ShaderProgramID shader)
+{
+    mState.mShaderProgramManager->deleteShader(this, shader);
+}
+
+void Context::deleteProgram(ShaderProgramID program)
+{
+    mState.mShaderProgramManager->deleteProgram(this, program);
+}
+
+void Context::deleteTexture(TextureID texture)
+{
+    if (mState.mTextureManager->getTexture(texture))
+    {
+        detachTexture(texture);
+    }
+
+    mState.mTextureManager->deleteObject(this, texture);
+}
+
+void Context::deleteRenderbuffer(RenderbufferID renderbuffer)
+{
+    if (mState.mRenderbufferManager->getRenderbuffer(renderbuffer))
+    {
+        detachRenderbuffer(renderbuffer);
+    }
+
+    mState.mRenderbufferManager->deleteObject(this, renderbuffer);
+}
+
+void Context::deleteSync(GLsync sync)
+{
+    // The spec specifies the underlying Fence object is not deleted until all current
+    // wait commands finish. However, since the name becomes invalid, we cannot query the fence,
+    // and since our API is currently designed for being called from a single thread, we can delete
+    // the fence immediately.
+    mState.mSyncManager->deleteObject(this, static_cast<GLuint>(reinterpret_cast<uintptr_t>(sync)));
+}
+
+void Context::deleteProgramPipeline(ProgramPipelineID pipelineID)
+{
+    ProgramPipeline *pipeline = mState.mProgramPipelineManager->getProgramPipeline(pipelineID);
+    if (pipeline)
+    {
+        detachProgramPipeline(pipelineID);
+    }
+
+    mState.mProgramPipelineManager->deleteObject(this, pipelineID);
+}
+
+void Context::deleteMemoryObject(MemoryObjectID memoryObject)
+{
+    mState.mMemoryObjectManager->deleteMemoryObject(this, memoryObject);
+}
+
+void Context::deleteSemaphore(SemaphoreID semaphore)
+{
+    mState.mSemaphoreManager->deleteSemaphore(this, semaphore);
+}
+
+// GL_CHROMIUM_lose_context
+void Context::loseContext(GraphicsResetStatus current, GraphicsResetStatus other)
+{
+    // TODO(geofflang): mark the rest of the share group lost. Requires access to the entire share
+    // group from a context. http://anglebug.com/3379
+    markContextLost(current);
+}
+
+void Context::deleteFramebuffer(FramebufferID framebufferID)
+{
+    // We are responsible for deleting the GL objects from the Framebuffer's pixel local storage.
+    std::unique_ptr<PixelLocalStorage> plsToDelete;
+
+    Framebuffer *framebuffer = mState.mFramebufferManager->getFramebuffer(framebufferID);
+    if (framebuffer)
+    {
+        plsToDelete = framebuffer->detachPixelLocalStorage();
+        detachFramebuffer(framebufferID);
+    }
+
+    mState.mFramebufferManager->deleteObject(this, framebufferID);
+
+    // Delete the pixel local storage GL objects after the framebuffer, in order to avoid any
+    // potential trickyness with orphaning.
+    if (plsToDelete)
+    {
+        plsToDelete->deleteContextObjects(this);
+    }
+}
+
+void Context::deleteFencesNV(GLsizei n, const FenceNVID *fences)
+{
+    for (int i = 0; i < n; i++)
+    {
+        FenceNVID fence = fences[i];
+
+        FenceNV *fenceObject = nullptr;
+        if (mFenceNVMap.erase(fence, &fenceObject))
+        {
+            mFenceNVHandleAllocator.release(fence.value);
+            if (fenceObject)
+            {
+                fenceObject->onDestroy(this);
+            }
+            delete fenceObject;
+        }
+    }
+}
+
+Buffer *Context::getBuffer(BufferID handle) const
+{
+    return mState.mBufferManager->getBuffer(handle);
+}
+
+Renderbuffer *Context::getRenderbuffer(RenderbufferID handle) const
+{
+    return mState.mRenderbufferManager->getRenderbuffer(handle);
+}
+
+EGLenum Context::getContextPriority() const
+{
+    return egl::ToEGLenum(mImplementation->getContextPriority());
+}
+
+Sync *Context::getSync(GLsync handle) const
+{
+    return mState.mSyncManager->getSync(static_cast<GLuint>(reinterpret_cast<uintptr_t>(handle)));
+}
+
+VertexArray *Context::getVertexArray(VertexArrayID handle) const
+{
+    return mVertexArrayMap.query(handle);
+}
+
+Sampler *Context::getSampler(SamplerID handle) const
+{
+    return mState.mSamplerManager->getSampler(handle);
+}
+
+TransformFeedback *Context::getTransformFeedback(TransformFeedbackID handle) const
+{
+    return mTransformFeedbackMap.query(handle);
+}
+
+ProgramPipeline *Context::getProgramPipeline(ProgramPipelineID handle) const
+{
+    return mState.mProgramPipelineManager->getProgramPipeline(handle);
+}
+
+gl::LabeledObject *Context::getLabeledObject(GLenum identifier, GLuint name) const
+{
+    switch (identifier)
+    {
+        case GL_BUFFER:
+        case GL_BUFFER_OBJECT_EXT:
+            return getBuffer({name});
+        case GL_SHADER:
+        case GL_SHADER_OBJECT_EXT:
+            return getShader({name});
+        case GL_PROGRAM:
+        case GL_PROGRAM_OBJECT_EXT:
+            return getProgramNoResolveLink({name});
+        case GL_VERTEX_ARRAY:
+        case GL_VERTEX_ARRAY_OBJECT_EXT:
+            return getVertexArray({name});
+        case GL_QUERY:
+        case GL_QUERY_OBJECT_EXT:
+            return getQuery({name});
+        case GL_TRANSFORM_FEEDBACK:
+            return getTransformFeedback({name});
+        case GL_SAMPLER:
+            return getSampler({name});
+        case GL_TEXTURE:
+            return getTexture({name});
+        case GL_RENDERBUFFER:
+            return getRenderbuffer({name});
+        case GL_FRAMEBUFFER:
+            return getFramebuffer({name});
+        case GL_PROGRAM_PIPELINE:
+        case GL_PROGRAM_PIPELINE_OBJECT_EXT:
+            return getProgramPipeline({name});
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+gl::LabeledObject *Context::getLabeledObjectFromPtr(const void *ptr) const
+{
+    return getSync(reinterpret_cast<GLsync>(const_cast<void *>(ptr)));
+}
+
+void Context::objectLabel(GLenum identifier, GLuint name, GLsizei length, const GLchar *label)
+{
+    gl::LabeledObject *object = getLabeledObject(identifier, name);
+    ASSERT(object != nullptr);
+
+    std::string labelName = GetObjectLabelFromPointer(length, label);
+    ANGLE_CONTEXT_TRY(object->setLabel(this, labelName));
+
+    // TODO(jmadill): Determine if the object is dirty based on 'name'. Conservatively assume the
+    // specified object is active until we do this.
+    mState.setObjectDirty(identifier);
+}
+
+void Context::labelObject(GLenum type, GLuint object, GLsizei length, const GLchar *label)
+{
+    gl::LabeledObject *obj = getLabeledObject(type, object);
+    ASSERT(obj != nullptr);
+
+    std::string labelName = "";
+    if (label != nullptr)
+    {
+        size_t labelLength = length == 0 ? strlen(label) : length;
+        labelName          = std::string(label, labelLength);
+    }
+    ANGLE_CONTEXT_TRY(obj->setLabel(this, labelName));
+    mState.setObjectDirty(type);
+}
+
+void Context::objectPtrLabel(const void *ptr, GLsizei length, const GLchar *label)
+{
+    gl::LabeledObject *object = getLabeledObjectFromPtr(ptr);
+    ASSERT(object != nullptr);
+
+    std::string labelName = GetObjectLabelFromPointer(length, label);
+    ANGLE_CONTEXT_TRY(object->setLabel(this, labelName));
+}
+
+void Context::getObjectLabel(GLenum identifier,
+                             GLuint name,
+                             GLsizei bufSize,
+                             GLsizei *length,
+                             GLchar *label)
+{
+    gl::LabeledObject *object = getLabeledObject(identifier, name);
+    ASSERT(object != nullptr);
+
+    const std::string &objectLabel = object->getLabel();
+    GetObjectLabelBase(objectLabel, bufSize, length, label);
+}
+
+void Context::getObjectPtrLabel(const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label)
+{
+    gl::LabeledObject *object = getLabeledObjectFromPtr(ptr);
+    ASSERT(object != nullptr);
+
+    const std::string &objectLabel = object->getLabel();
+    GetObjectLabelBase(objectLabel, bufSize, length, label);
+}
+
+GLboolean Context::isSampler(SamplerID samplerName) const
+{
+    return mState.mSamplerManager->isSampler(samplerName);
+}
+
+void Context::bindTexture(TextureType target, TextureID handle)
+{
+    // Some apps enable KHR_create_context_no_error but pass in an invalid texture type.
+    // Workaround this by silently returning in such situations.
+    if (target == TextureType::InvalidEnum)
+    {
+        return;
+    }
+
+    Texture *texture = nullptr;
+    if (handle.value == 0)
+    {
+        texture = mZeroTextures[target].get();
+    }
+    else
+    {
+        texture =
+            mState.mTextureManager->checkTextureAllocation(mImplementation.get(), handle, target);
+    }
+
+    ASSERT(texture);
+    // Early return if rebinding the same texture
+    if (texture == mState.getTargetTexture(target))
+    {
+        return;
+    }
+
+    mState.setSamplerTexture(this, target, texture);
+    mStateCache.onActiveTextureChange(this);
+}
+
+void Context::bindReadFramebuffer(FramebufferID framebufferHandle)
+{
+    Framebuffer *framebuffer = mState.mFramebufferManager->checkFramebufferAllocation(
+        mImplementation.get(), this, framebufferHandle);
+    mState.setReadFramebufferBinding(framebuffer);
+    mReadFramebufferObserverBinding.bind(framebuffer);
+}
+
+void Context::bindDrawFramebuffer(FramebufferID framebufferHandle)
+{
+    Framebuffer *framebuffer = mState.mFramebufferManager->checkFramebufferAllocation(
+        mImplementation.get(), this, framebufferHandle);
+    mState.setDrawFramebufferBinding(framebuffer);
+    mDrawFramebufferObserverBinding.bind(framebuffer);
+    mStateCache.onDrawFramebufferChange(this);
+}
+
+void Context::bindVertexArray(VertexArrayID vertexArrayHandle)
+{
+    VertexArray *vertexArray = checkVertexArrayAllocation(vertexArrayHandle);
+    mState.setVertexArrayBinding(this, vertexArray);
+    mVertexArrayObserverBinding.bind(vertexArray);
+    mStateCache.onVertexArrayBindingChange(this);
+}
+
+void Context::bindVertexBuffer(GLuint bindingIndex,
+                               BufferID bufferHandle,
+                               GLintptr offset,
+                               GLsizei stride)
+{
+    Buffer *buffer =
+        mState.mBufferManager->checkBufferAllocation(mImplementation.get(), bufferHandle);
+    mState.bindVertexBuffer(this, bindingIndex, buffer, offset, stride);
+    mStateCache.onVertexArrayStateChange(this);
+}
+
+void Context::bindSampler(GLuint textureUnit, SamplerID samplerHandle)
+{
+    ASSERT(textureUnit < static_cast<GLuint>(mState.mCaps.maxCombinedTextureImageUnits));
+    Sampler *sampler =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), samplerHandle);
+
+    // Early return if rebinding the same sampler
+    if (sampler == mState.getSampler(textureUnit))
+    {
+        return;
+    }
+
+    mState.setSamplerBinding(this, textureUnit, sampler);
+    mSamplerObserverBindings[textureUnit].bind(sampler);
+    mStateCache.onActiveTextureChange(this);
+}
+
+void Context::bindImageTexture(GLuint unit,
+                               TextureID texture,
+                               GLint level,
+                               GLboolean layered,
+                               GLint layer,
+                               GLenum access,
+                               GLenum format)
+{
+    Texture *tex = mState.mTextureManager->getTexture(texture);
+    mState.setImageUnit(this, unit, tex, level, layered, layer, access, format);
+    mImageObserverBindings[unit].bind(tex);
+}
+
+void Context::useProgram(ShaderProgramID program)
+{
+    ANGLE_CONTEXT_TRY(mState.setProgram(this, getProgramResolveLink(program)));
+    mStateCache.onProgramExecutableChange(this);
+}
+
+void Context::useProgramStages(ProgramPipelineID pipeline,
+                               GLbitfield stages,
+                               ShaderProgramID program)
+{
+    Program *shaderProgram = getProgramNoResolveLink(program);
+    ProgramPipeline *programPipeline =
+        mState.mProgramPipelineManager->checkProgramPipelineAllocation(mImplementation.get(),
+                                                                       pipeline);
+
+    ASSERT(programPipeline);
+    ANGLE_CONTEXT_TRY(programPipeline->useProgramStages(this, stages, shaderProgram));
+}
+
+void Context::bindTransformFeedback(GLenum target, TransformFeedbackID transformFeedbackHandle)
+{
+    ASSERT(target == GL_TRANSFORM_FEEDBACK);
+    TransformFeedback *transformFeedback =
+        checkTransformFeedbackAllocation(transformFeedbackHandle);
+    mState.setTransformFeedbackBinding(this, transformFeedback);
+    mStateCache.onActiveTransformFeedbackChange(this);
+}
+
+void Context::bindProgramPipeline(ProgramPipelineID pipelineHandle)
+{
+    ProgramPipeline *pipeline = mState.mProgramPipelineManager->checkProgramPipelineAllocation(
+        mImplementation.get(), pipelineHandle);
+    ANGLE_CONTEXT_TRY(mState.setProgramPipelineBinding(this, pipeline));
+    mStateCache.onProgramExecutableChange(this);
+    mProgramPipelineObserverBinding.bind(pipeline);
+}
+
+void Context::beginQuery(QueryType target, QueryID query)
+{
+    Query *queryObject = getOrCreateQuery(query, target);
+    ASSERT(queryObject);
+
+    // begin query
+    ANGLE_CONTEXT_TRY(queryObject->begin(this));
+
+    // set query as active for specified target only if begin succeeded
+    mState.setActiveQuery(this, target, queryObject);
+    mStateCache.onQueryChange(this);
+}
+
+void Context::endQuery(QueryType target)
+{
+    Query *queryObject = mState.getActiveQuery(target);
+    ASSERT(queryObject);
+
+    // Intentionally don't call try here. We don't want an early return.
+    (void)(queryObject->end(this));
+
+    // Always unbind the query, even if there was an error. This may delete the query object.
+    mState.setActiveQuery(this, target, nullptr);
+    mStateCache.onQueryChange(this);
+}
+
+void Context::queryCounter(QueryID id, QueryType target)
+{
+    ASSERT(target == QueryType::Timestamp);
+
+    Query *queryObject = getOrCreateQuery(id, target);
+    ASSERT(queryObject);
+
+    ANGLE_CONTEXT_TRY(queryObject->queryCounter(this));
+}
+
+void Context::getQueryiv(QueryType target, GLenum pname, GLint *params)
+{
+    switch (pname)
+    {
+        case GL_CURRENT_QUERY_EXT:
+            params[0] = mState.getActiveQueryId(target).value;
+            break;
+        case GL_QUERY_COUNTER_BITS_EXT:
+            switch (target)
+            {
+                case QueryType::TimeElapsed:
+                    params[0] = getCaps().queryCounterBitsTimeElapsed;
+                    break;
+                case QueryType::Timestamp:
+                    params[0] = getCaps().queryCounterBitsTimestamp;
+                    break;
+                default:
+                    UNREACHABLE();
+                    params[0] = 0;
+                    break;
+            }
+            break;
+        default:
+            UNREACHABLE();
+            return;
+    }
+}
+
+void Context::getQueryivRobust(QueryType target,
+                               GLenum pname,
+                               GLsizei bufSize,
+                               GLsizei *length,
+                               GLint *params)
+{
+    getQueryiv(target, pname, params);
+}
+
+void Context::getUnsignedBytev(GLenum pname, GLubyte *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getUnsignedBytei_v(GLenum target, GLuint index, GLubyte *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getQueryObjectiv(QueryID id, GLenum pname, GLint *params)
+{
+    ANGLE_CONTEXT_TRY(GetQueryObjectParameter(this, getQuery(id), pname, params));
+}
+
+void Context::getQueryObjectivRobust(QueryID id,
+                                     GLenum pname,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLint *params)
+{
+    getQueryObjectiv(id, pname, params);
+}
+
+void Context::getQueryObjectuiv(QueryID id, GLenum pname, GLuint *params)
+{
+    ANGLE_CONTEXT_TRY(GetQueryObjectParameter(this, getQuery(id), pname, params));
+}
+
+void Context::getQueryObjectuivRobust(QueryID id,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      GLsizei *length,
+                                      GLuint *params)
+{
+    getQueryObjectuiv(id, pname, params);
+}
+
+void Context::getQueryObjecti64v(QueryID id, GLenum pname, GLint64 *params)
+{
+    ANGLE_CONTEXT_TRY(GetQueryObjectParameter(this, getQuery(id), pname, params));
+}
+
+void Context::getQueryObjecti64vRobust(QueryID id,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLint64 *params)
+{
+    getQueryObjecti64v(id, pname, params);
+}
+
+void Context::getQueryObjectui64v(QueryID id, GLenum pname, GLuint64 *params)
+{
+    ANGLE_CONTEXT_TRY(GetQueryObjectParameter(this, getQuery(id), pname, params));
+}
+
+void Context::getQueryObjectui64vRobust(QueryID id,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLuint64 *params)
+{
+    getQueryObjectui64v(id, pname, params);
+}
+
+Framebuffer *Context::getFramebuffer(FramebufferID handle) const
+{
+    return mState.mFramebufferManager->getFramebuffer(handle);
+}
+
+FenceNV *Context::getFenceNV(FenceNVID handle) const
+{
+    return mFenceNVMap.query(handle);
+}
+
+Query *Context::getOrCreateQuery(QueryID handle, QueryType type)
+{
+    if (!mQueryMap.contains(handle))
+    {
+        return nullptr;
+    }
+
+    Query *query = mQueryMap.query(handle);
+    if (!query)
+    {
+        ASSERT(type != QueryType::InvalidEnum);
+        query = new Query(mImplementation.get(), type, handle);
+        query->addRef();
+        mQueryMap.assign(handle, query);
+    }
+    return query;
+}
+
+Query *Context::getQuery(QueryID handle) const
+{
+    return mQueryMap.query(handle);
+}
+
+Texture *Context::getTextureByType(TextureType type) const
+{
+    ASSERT(ValidTextureTarget(this, type) || ValidTextureExternalTarget(this, type));
+    return mState.getTargetTexture(type);
+}
+
+Texture *Context::getTextureByTarget(TextureTarget target) const
+{
+    return getTextureByType(TextureTargetToType(target));
+}
+
+Texture *Context::getSamplerTexture(unsigned int sampler, TextureType type) const
+{
+    return mState.getSamplerTexture(sampler, type);
+}
+
+Compiler *Context::getCompiler() const
+{
+    if (mCompiler.get() == nullptr)
+    {
+        mCompiler.set(this, new Compiler(mImplementation.get(), mState, mDisplay));
+    }
+    return mCompiler.get();
+}
+
+void Context::getBooleanvImpl(GLenum pname, GLboolean *params) const
+{
+    switch (pname)
+    {
+        case GL_SHADER_COMPILER:
+            *params = GL_TRUE;
+            break;
+        case GL_CONTEXT_ROBUST_ACCESS_EXT:
+            *params = ConvertToGLBoolean(mState.hasRobustAccess());
+            break;
+
+        default:
+            mState.getBooleanv(pname, params);
+            break;
+    }
+}
+
+void Context::getFloatvImpl(GLenum pname, GLfloat *params) const
+{
+    // Queries about context capabilities and maximums are answered by Context.
+    // Queries about current GL state values are answered by State.
+    switch (pname)
+    {
+        case GL_ALIASED_LINE_WIDTH_RANGE:
+            params[0] = mState.mCaps.minAliasedLineWidth;
+            params[1] = mState.mCaps.maxAliasedLineWidth;
+            break;
+        case GL_ALIASED_POINT_SIZE_RANGE:
+            params[0] = mState.mCaps.minAliasedPointSize;
+            params[1] = mState.mCaps.maxAliasedPointSize;
+            break;
+        case GL_SMOOTH_POINT_SIZE_RANGE:
+            params[0] = mState.mCaps.minSmoothPointSize;
+            params[1] = mState.mCaps.maxSmoothPointSize;
+            break;
+        case GL_SMOOTH_LINE_WIDTH_RANGE:
+            params[0] = mState.mCaps.minSmoothLineWidth;
+            params[1] = mState.mCaps.maxSmoothLineWidth;
+            break;
+        case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
+            ASSERT(mState.mExtensions.textureFilterAnisotropicEXT);
+            *params = mState.mCaps.maxTextureAnisotropy;
+            break;
+        case GL_MAX_TEXTURE_LOD_BIAS:
+            *params = mState.mCaps.maxLODBias;
+            break;
+        case GL_MIN_FRAGMENT_INTERPOLATION_OFFSET:
+            *params = mState.mCaps.minInterpolationOffset;
+            break;
+        case GL_MAX_FRAGMENT_INTERPOLATION_OFFSET:
+            *params = mState.mCaps.maxInterpolationOffset;
+            break;
+        case GL_PRIMITIVE_BOUNDING_BOX:
+            params[0] = mState.mBoundingBoxMinX;
+            params[1] = mState.mBoundingBoxMinY;
+            params[2] = mState.mBoundingBoxMinZ;
+            params[3] = mState.mBoundingBoxMinW;
+            params[4] = mState.mBoundingBoxMaxX;
+            params[5] = mState.mBoundingBoxMaxY;
+            params[6] = mState.mBoundingBoxMaxZ;
+            params[7] = mState.mBoundingBoxMaxW;
+            break;
+        default:
+            mState.getFloatv(pname, params);
+            break;
+    }
+}
+
+void Context::getIntegervImpl(GLenum pname, GLint *params) const
+{
+    // Queries about context capabilities and maximums are answered by Context.
+    // Queries about current GL state values are answered by State.
+
+    switch (pname)
+    {
+        case GL_MAX_VERTEX_ATTRIBS:
+            *params = mState.mCaps.maxVertexAttributes;
+            break;
+        case GL_MAX_VERTEX_UNIFORM_VECTORS:
+            *params = mState.mCaps.maxVertexUniformVectors;
+            break;
+        case GL_MAX_VERTEX_UNIFORM_COMPONENTS:
+            *params = mState.mCaps.maxShaderUniformComponents[ShaderType::Vertex];
+            break;
+        case GL_MAX_VARYING_VECTORS:
+            *params = mState.mCaps.maxVaryingVectors;
+            break;
+        case GL_MAX_VARYING_COMPONENTS:
+            *params = mState.mCaps.maxVaryingVectors * 4;
+            break;
+        case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
+            *params = mState.mCaps.maxCombinedTextureImageUnits;
+            break;
+        case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
+            *params = mState.mCaps.maxShaderTextureImageUnits[ShaderType::Vertex];
+            break;
+        case GL_MAX_TEXTURE_IMAGE_UNITS:
+            *params = mState.mCaps.maxShaderTextureImageUnits[ShaderType::Fragment];
+            break;
+        case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+            *params = mState.mCaps.maxFragmentUniformVectors;
+            break;
+        case GL_MAX_FRAGMENT_UNIFORM_COMPONENTS:
+            *params = mState.mCaps.maxShaderUniformComponents[ShaderType::Fragment];
+            break;
+        case GL_MAX_RENDERBUFFER_SIZE:
+            *params = mState.mCaps.maxRenderbufferSize;
+            break;
+        case GL_MAX_COLOR_ATTACHMENTS_EXT:
+            *params = mState.mCaps.maxColorAttachments;
+            break;
+        case GL_MAX_DRAW_BUFFERS_EXT:
+            *params = mState.mCaps.maxDrawBuffers;
+            break;
+        case GL_SUBPIXEL_BITS:
+            *params = mState.mCaps.subPixelBits;
+            break;
+        case GL_MAX_TEXTURE_SIZE:
+            *params = mState.mCaps.max2DTextureSize;
+            break;
+        case GL_MAX_RECTANGLE_TEXTURE_SIZE_ANGLE:
+            *params = mState.mCaps.maxRectangleTextureSize;
+            break;
+        case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
+            *params = mState.mCaps.maxCubeMapTextureSize;
+            break;
+        case GL_MAX_3D_TEXTURE_SIZE:
+            *params = mState.mCaps.max3DTextureSize;
+            break;
+        case GL_MAX_ARRAY_TEXTURE_LAYERS:
+            *params = mState.mCaps.maxArrayTextureLayers;
+            break;
+        case GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
+            *params = mState.mCaps.uniformBufferOffsetAlignment;
+            break;
+        case GL_MAX_UNIFORM_BUFFER_BINDINGS:
+            *params = mState.mCaps.maxUniformBufferBindings;
+            break;
+        case GL_MAX_VERTEX_UNIFORM_BLOCKS:
+            *params = mState.mCaps.maxShaderUniformBlocks[ShaderType::Vertex];
+            break;
+        case GL_MAX_FRAGMENT_UNIFORM_BLOCKS:
+            *params = mState.mCaps.maxShaderUniformBlocks[ShaderType::Fragment];
+            break;
+        case GL_MAX_COMBINED_UNIFORM_BLOCKS:
+            *params = mState.mCaps.maxCombinedUniformBlocks;
+            break;
+        case GL_MAX_VERTEX_OUTPUT_COMPONENTS:
+            *params = mState.mCaps.maxVertexOutputComponents;
+            break;
+        case GL_MAX_FRAGMENT_INPUT_COMPONENTS:
+            *params = mState.mCaps.maxFragmentInputComponents;
+            break;
+        case GL_MIN_PROGRAM_TEXEL_OFFSET:
+            *params = mState.mCaps.minProgramTexelOffset;
+            break;
+        case GL_MAX_PROGRAM_TEXEL_OFFSET:
+            *params = mState.mCaps.maxProgramTexelOffset;
+            break;
+        case GL_MAJOR_VERSION:
+            *params = getClientVersion().major;
+            break;
+        case GL_MINOR_VERSION:
+            *params = getClientVersion().minor;
+            break;
+        case GL_MAX_ELEMENTS_INDICES:
+            *params = mState.mCaps.maxElementsIndices;
+            break;
+        case GL_MAX_ELEMENTS_VERTICES:
+            *params = mState.mCaps.maxElementsVertices;
+            break;
+        case GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS:
+            *params = mState.mCaps.maxTransformFeedbackInterleavedComponents;
+            break;
+        case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
+            *params = mState.mCaps.maxTransformFeedbackSeparateAttributes;
+            break;
+        case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS:
+            *params = mState.mCaps.maxTransformFeedbackSeparateComponents;
+            break;
+        case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
+            *params = static_cast<GLint>(mState.mCaps.compressedTextureFormats.size());
+            break;
+        case GL_MAX_SAMPLES_ANGLE:
+            *params = mState.mCaps.maxSamples;
+            break;
+        case GL_MAX_VIEWPORT_DIMS:
+        {
+            params[0] = mState.mCaps.maxViewportWidth;
+            params[1] = mState.mCaps.maxViewportHeight;
+        }
+        break;
+        case GL_COMPRESSED_TEXTURE_FORMATS:
+            std::copy(mState.mCaps.compressedTextureFormats.begin(),
+                      mState.mCaps.compressedTextureFormats.end(), params);
+            break;
+        case GL_RESET_NOTIFICATION_STRATEGY_EXT:
+            *params = mResetStrategy;
+            break;
+        case GL_NUM_SHADER_BINARY_FORMATS:
+            *params = static_cast<GLint>(mState.mCaps.shaderBinaryFormats.size());
+            break;
+        case GL_SHADER_BINARY_FORMATS:
+            std::copy(mState.mCaps.shaderBinaryFormats.begin(),
+                      mState.mCaps.shaderBinaryFormats.end(), params);
+            break;
+        case GL_NUM_PROGRAM_BINARY_FORMATS:
+            *params = static_cast<GLint>(mState.mCaps.programBinaryFormats.size());
+            break;
+        case GL_PROGRAM_BINARY_FORMATS:
+            std::copy(mState.mCaps.programBinaryFormats.begin(),
+                      mState.mCaps.programBinaryFormats.end(), params);
+            break;
+        case GL_NUM_EXTENSIONS:
+            *params = static_cast<GLint>(mExtensionStrings.size());
+            break;
+
+        // Desktop client flags
+        case GL_CONTEXT_FLAGS:
+        {
+            GLint contextFlags = 0;
+            if (mState.hasProtectedContent())
+            {
+                contextFlags |= GL_CONTEXT_FLAG_PROTECTED_CONTENT_BIT_EXT;
+            }
+
+            if (mState.isDebugContext())
+            {
+                contextFlags |= GL_CONTEXT_FLAG_DEBUG_BIT_KHR;
+            }
+
+            if (mState.hasRobustAccess())
+            {
+                contextFlags |= GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT;
+            }
+            *params = contextFlags;
+        }
+        break;
+        case GL_CONTEXT_PROFILE_MASK:
+            ASSERT(getClientType() == EGL_OPENGL_API);
+            *params = mState.getProfileMask();
+            break;
+
+        // GL_ANGLE_request_extension
+        case GL_NUM_REQUESTABLE_EXTENSIONS_ANGLE:
+            *params = static_cast<GLint>(mRequestableExtensionStrings.size());
+            break;
+
+        // GL_KHR_debug
+        case GL_MAX_DEBUG_MESSAGE_LENGTH:
+            *params = mState.mCaps.maxDebugMessageLength;
+            break;
+        case GL_MAX_DEBUG_LOGGED_MESSAGES:
+            *params = mState.mCaps.maxDebugLoggedMessages;
+            break;
+        case GL_MAX_DEBUG_GROUP_STACK_DEPTH:
+            *params = mState.mCaps.maxDebugGroupStackDepth;
+            break;
+        case GL_MAX_LABEL_LENGTH:
+            *params = mState.mCaps.maxLabelLength;
+            break;
+
+        // GL_OVR_multiview2
+        case GL_MAX_VIEWS_OVR:
+            *params = mState.mCaps.maxViews;
+            break;
+
+        // GL_EXT_disjoint_timer_query
+        case GL_GPU_DISJOINT_EXT:
+            *params = mImplementation->getGPUDisjoint();
+            break;
+        case GL_MAX_FRAMEBUFFER_WIDTH:
+            *params = mState.mCaps.maxFramebufferWidth;
+            break;
+        case GL_MAX_FRAMEBUFFER_HEIGHT:
+            *params = mState.mCaps.maxFramebufferHeight;
+            break;
+        case GL_MAX_FRAMEBUFFER_SAMPLES:
+            *params = mState.mCaps.maxFramebufferSamples;
+            break;
+        case GL_MAX_SAMPLE_MASK_WORDS:
+            *params = mState.mCaps.maxSampleMaskWords;
+            break;
+        case GL_MAX_COLOR_TEXTURE_SAMPLES:
+            *params = mState.mCaps.maxColorTextureSamples;
+            break;
+        case GL_MAX_DEPTH_TEXTURE_SAMPLES:
+            *params = mState.mCaps.maxDepthTextureSamples;
+            break;
+        case GL_MAX_INTEGER_SAMPLES:
+            *params = mState.mCaps.maxIntegerSamples;
+            break;
+        case GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET:
+            *params = mState.mCaps.maxVertexAttribRelativeOffset;
+            break;
+        case GL_MAX_VERTEX_ATTRIB_BINDINGS:
+            *params = mState.mCaps.maxVertexAttribBindings;
+            break;
+        case GL_MAX_VERTEX_ATTRIB_STRIDE:
+            *params = mState.mCaps.maxVertexAttribStride;
+            break;
+        case GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS:
+            *params = mState.mCaps.maxShaderAtomicCounterBuffers[ShaderType::Vertex];
+            break;
+        case GL_MAX_VERTEX_ATOMIC_COUNTERS:
+            *params = mState.mCaps.maxShaderAtomicCounters[ShaderType::Vertex];
+            break;
+        case GL_MAX_VERTEX_IMAGE_UNIFORMS:
+            *params = mState.mCaps.maxShaderImageUniforms[ShaderType::Vertex];
+            break;
+        case GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS:
+            *params = mState.mCaps.maxShaderStorageBlocks[ShaderType::Vertex];
+            break;
+        case GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS:
+            *params = mState.mCaps.maxShaderAtomicCounterBuffers[ShaderType::Fragment];
+            break;
+        case GL_MAX_FRAGMENT_ATOMIC_COUNTERS:
+            *params = mState.mCaps.maxShaderAtomicCounters[ShaderType::Fragment];
+            break;
+        case GL_MAX_FRAGMENT_IMAGE_UNIFORMS:
+            *params = mState.mCaps.maxShaderImageUniforms[ShaderType::Fragment];
+            break;
+        case GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS:
+            *params = mState.mCaps.maxShaderStorageBlocks[ShaderType::Fragment];
+            break;
+        case GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET:
+            *params = mState.mCaps.minProgramTextureGatherOffset;
+            break;
+        case GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET:
+            *params = mState.mCaps.maxProgramTextureGatherOffset;
+            break;
+        case GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS:
+            *params = mState.mCaps.maxComputeWorkGroupInvocations;
+            break;
+        case GL_MAX_COMPUTE_UNIFORM_BLOCKS:
+            *params = mState.mCaps.maxShaderUniformBlocks[ShaderType::Compute];
+            break;
+        case GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS:
+            *params = mState.mCaps.maxShaderTextureImageUnits[ShaderType::Compute];
+            break;
+        case GL_MAX_COMPUTE_SHARED_MEMORY_SIZE:
+            *params = mState.mCaps.maxComputeSharedMemorySize;
+            break;
+        case GL_MAX_COMPUTE_UNIFORM_COMPONENTS:
+            *params = mState.mCaps.maxShaderUniformComponents[ShaderType::Compute];
+            break;
+        case GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS:
+            *params = mState.mCaps.maxShaderAtomicCounterBuffers[ShaderType::Compute];
+            break;
+        case GL_MAX_COMPUTE_ATOMIC_COUNTERS:
+            *params = mState.mCaps.maxShaderAtomicCounters[ShaderType::Compute];
+            break;
+        case GL_MAX_COMPUTE_IMAGE_UNIFORMS:
+            *params = mState.mCaps.maxShaderImageUniforms[ShaderType::Compute];
+            break;
+        case GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS:
+            *params = static_cast<GLint>(
+                mState.mCaps.maxCombinedShaderUniformComponents[ShaderType::Compute]);
+            break;
+        case GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS:
+            *params = mState.mCaps.maxShaderStorageBlocks[ShaderType::Compute];
+            break;
+        case GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
+            *params = mState.mCaps.maxCombinedShaderOutputResources;
+            break;
+        case GL_MAX_UNIFORM_LOCATIONS:
+            *params = mState.mCaps.maxUniformLocations;
+            break;
+        case GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS:
+            *params = mState.mCaps.maxAtomicCounterBufferBindings;
+            break;
+        case GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE:
+            *params = mState.mCaps.maxAtomicCounterBufferSize;
+            break;
+        case GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS:
+            *params = mState.mCaps.maxCombinedAtomicCounterBuffers;
+            break;
+        case GL_MAX_COMBINED_ATOMIC_COUNTERS:
+            *params = mState.mCaps.maxCombinedAtomicCounters;
+            break;
+        case GL_MAX_IMAGE_UNITS:
+            *params = mState.mCaps.maxImageUnits;
+            break;
+        case GL_MAX_COMBINED_IMAGE_UNIFORMS:
+            *params = mState.mCaps.maxCombinedImageUniforms;
+            break;
+        case GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS:
+            *params = mState.mCaps.maxShaderStorageBufferBindings;
+            break;
+        case GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS:
+            *params = mState.mCaps.maxCombinedShaderStorageBlocks;
+            break;
+        case GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT:
+            *params = mState.mCaps.shaderStorageBufferOffsetAlignment;
+            break;
+
+        // GL_EXT_geometry_shader
+        case GL_MAX_FRAMEBUFFER_LAYERS_EXT:
+            *params = mState.mCaps.maxFramebufferLayers;
+            break;
+        case GL_LAYER_PROVOKING_VERTEX_EXT:
+            *params = mState.mCaps.layerProvokingVertex;
+            break;
+        case GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT:
+            *params = mState.mCaps.maxShaderUniformComponents[ShaderType::Geometry];
+            break;
+        case GL_MAX_GEOMETRY_UNIFORM_BLOCKS_EXT:
+            *params = mState.mCaps.maxShaderUniformBlocks[ShaderType::Geometry];
+            break;
+        case GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS_EXT:
+            *params = static_cast<GLint>(
+                mState.mCaps.maxCombinedShaderUniformComponents[ShaderType::Geometry]);
+            break;
+        case GL_MAX_GEOMETRY_INPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxGeometryInputComponents;
+            break;
+        case GL_MAX_GEOMETRY_OUTPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxGeometryOutputComponents;
+            break;
+        case GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT:
+            *params = mState.mCaps.maxGeometryOutputVertices;
+            break;
+        case GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxGeometryTotalOutputComponents;
+            break;
+        case GL_MAX_GEOMETRY_SHADER_INVOCATIONS_EXT:
+            *params = mState.mCaps.maxGeometryShaderInvocations;
+            break;
+        case GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_EXT:
+            *params = mState.mCaps.maxShaderTextureImageUnits[ShaderType::Geometry];
+            break;
+        case GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS_EXT:
+            *params = mState.mCaps.maxShaderAtomicCounterBuffers[ShaderType::Geometry];
+            break;
+        case GL_MAX_GEOMETRY_ATOMIC_COUNTERS_EXT:
+            *params = mState.mCaps.maxShaderAtomicCounters[ShaderType::Geometry];
+            break;
+        case GL_MAX_GEOMETRY_IMAGE_UNIFORMS_EXT:
+            *params = mState.mCaps.maxShaderImageUniforms[ShaderType::Geometry];
+            break;
+        case GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS_EXT:
+            *params = mState.mCaps.maxShaderStorageBlocks[ShaderType::Geometry];
+            break;
+        // GL_EXT_tessellation_shader
+        case GL_MAX_PATCH_VERTICES_EXT:
+            *params = mState.mCaps.maxPatchVertices;
+            break;
+        case GL_MAX_TESS_GEN_LEVEL_EXT:
+            *params = mState.mCaps.maxTessGenLevel;
+            break;
+        case GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS_EXT:
+            *params = mState.mCaps.maxShaderUniformComponents[ShaderType::TessControl];
+            break;
+        case GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS_EXT:
+            *params = mState.mCaps.maxShaderUniformComponents[ShaderType::TessEvaluation];
+            break;
+        case GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS_EXT:
+            *params = mState.mCaps.maxShaderTextureImageUnits[ShaderType::TessControl];
+            break;
+        case GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS_EXT:
+            *params = mState.mCaps.maxShaderTextureImageUnits[ShaderType::TessEvaluation];
+            break;
+        case GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxTessControlOutputComponents;
+            break;
+        case GL_MAX_TESS_PATCH_COMPONENTS_EXT:
+            *params = mState.mCaps.maxTessPatchComponents;
+            break;
+        case GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxTessControlTotalOutputComponents;
+            break;
+        case GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxTessEvaluationOutputComponents;
+            break;
+        case GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS_EXT:
+            *params = mState.mCaps.maxShaderUniformBlocks[ShaderType::TessControl];
+            break;
+        case GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS_EXT:
+            *params = mState.mCaps.maxShaderUniformBlocks[ShaderType::TessEvaluation];
+            break;
+        case GL_MAX_TESS_CONTROL_INPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxTessControlInputComponents;
+            break;
+        case GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS_EXT:
+            *params = mState.mCaps.maxTessEvaluationInputComponents;
+            break;
+        case GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS_EXT:
+            *params = static_cast<GLint>(
+                mState.mCaps.maxCombinedShaderUniformComponents[ShaderType::TessControl]);
+            break;
+        case GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS_EXT:
+            *params = static_cast<GLint>(
+                mState.mCaps.maxCombinedShaderUniformComponents[ShaderType::TessEvaluation]);
+            break;
+        case GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS_EXT:
+            *params = mState.mCaps.maxShaderAtomicCounterBuffers[ShaderType::TessControl];
+            break;
+        case GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS_EXT:
+            *params = mState.mCaps.maxShaderAtomicCounterBuffers[ShaderType::TessEvaluation];
+            break;
+        case GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS_EXT:
+            *params = mState.mCaps.maxShaderAtomicCounters[ShaderType::TessControl];
+            break;
+        case GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS_EXT:
+            *params = mState.mCaps.maxShaderAtomicCounters[ShaderType::TessEvaluation];
+            break;
+        case GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS_EXT:
+            *params = mState.mCaps.maxShaderImageUniforms[ShaderType::TessControl];
+            break;
+        case GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS_EXT:
+            *params = mState.mCaps.maxShaderImageUniforms[ShaderType::TessEvaluation];
+            break;
+        case GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS_EXT:
+            *params = mState.mCaps.maxShaderStorageBlocks[ShaderType::TessControl];
+            break;
+        case GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS_EXT:
+            *params = mState.mCaps.maxShaderStorageBlocks[ShaderType::TessEvaluation];
+            break;
+        // GLES1 emulation: Caps queries
+        case GL_MAX_TEXTURE_UNITS:
+            *params = mState.mCaps.maxMultitextureUnits;
+            break;
+        case GL_MAX_MODELVIEW_STACK_DEPTH:
+            *params = mState.mCaps.maxModelviewMatrixStackDepth;
+            break;
+        case GL_MAX_PROJECTION_STACK_DEPTH:
+            *params = mState.mCaps.maxProjectionMatrixStackDepth;
+            break;
+        case GL_MAX_TEXTURE_STACK_DEPTH:
+            *params = mState.mCaps.maxTextureMatrixStackDepth;
+            break;
+        case GL_MAX_LIGHTS:
+            *params = mState.mCaps.maxLights;
+            break;
+
+        // case GL_MAX_CLIP_DISTANCES_EXT:  Conflict enum value
+        case GL_MAX_CLIP_PLANES:
+            if (getClientVersion().major >= 2)
+            {
+                // GL_APPLE_clip_distance/GL_EXT_clip_cull_distance
+                *params = mState.mCaps.maxClipDistances;
+            }
+            else
+            {
+                *params = mState.mCaps.maxClipPlanes;
+            }
+            break;
+        case GL_MAX_CULL_DISTANCES_EXT:
+            *params = mState.mCaps.maxCullDistances;
+            break;
+        case GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES_EXT:
+            *params = mState.mCaps.maxCombinedClipAndCullDistances;
+            break;
+        // GLES1 emulation: Vertex attribute queries
+        case GL_VERTEX_ARRAY_BUFFER_BINDING:
+        case GL_NORMAL_ARRAY_BUFFER_BINDING:
+        case GL_COLOR_ARRAY_BUFFER_BINDING:
+        case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
+        case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
+            getIntegerVertexAttribImpl(pname, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, params);
+            break;
+        case GL_VERTEX_ARRAY_STRIDE:
+        case GL_NORMAL_ARRAY_STRIDE:
+        case GL_COLOR_ARRAY_STRIDE:
+        case GL_POINT_SIZE_ARRAY_STRIDE_OES:
+        case GL_TEXTURE_COORD_ARRAY_STRIDE:
+            getIntegerVertexAttribImpl(pname, GL_VERTEX_ATTRIB_ARRAY_STRIDE, params);
+            break;
+        case GL_VERTEX_ARRAY_SIZE:
+        case GL_COLOR_ARRAY_SIZE:
+        case GL_TEXTURE_COORD_ARRAY_SIZE:
+            getIntegerVertexAttribImpl(pname, GL_VERTEX_ATTRIB_ARRAY_SIZE, params);
+            break;
+        case GL_VERTEX_ARRAY_TYPE:
+        case GL_COLOR_ARRAY_TYPE:
+        case GL_NORMAL_ARRAY_TYPE:
+        case GL_POINT_SIZE_ARRAY_TYPE_OES:
+        case GL_TEXTURE_COORD_ARRAY_TYPE:
+            getIntegerVertexAttribImpl(pname, GL_VERTEX_ATTRIB_ARRAY_TYPE, params);
+            break;
+
+        // GL_KHR_parallel_shader_compile
+        case GL_MAX_SHADER_COMPILER_THREADS_KHR:
+            *params = mState.getMaxShaderCompilerThreads();
+            break;
+
+        // GL_EXT_blend_func_extended
+        case GL_MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT:
+            *params = mState.mCaps.maxDualSourceDrawBuffers;
+            break;
+
+        // OES_shader_multisample_interpolation
+        case GL_FRAGMENT_INTERPOLATION_OFFSET_BITS_OES:
+            *params = mState.mCaps.subPixelInterpolationOffsetBits;
+            break;
+
+        // GL_OES_texture_buffer
+        case GL_MAX_TEXTURE_BUFFER_SIZE:
+            *params = mState.mCaps.maxTextureBufferSize;
+            break;
+        case GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
+            *params = mState.mCaps.textureBufferOffsetAlignment;
+            break;
+
+        // GL_EXT_clip_control
+        case GL_CLIP_ORIGIN_EXT:
+            *params = mState.mClipControlOrigin;
+            break;
+        case GL_CLIP_DEPTH_MODE_EXT:
+            *params = mState.mClipControlDepth;
+            break;
+
+        // ANGLE_shader_pixel_local_storage
+        case GL_MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE:
+            *params = mState.mCaps.maxPixelLocalStoragePlanes;
+            break;
+        case GL_MAX_COLOR_ATTACHMENTS_WITH_ACTIVE_PIXEL_LOCAL_STORAGE_ANGLE:
+            *params = mState.mCaps.maxColorAttachmentsWithActivePixelLocalStorage;
+            break;
+        case GL_MAX_COMBINED_DRAW_BUFFERS_AND_PIXEL_LOCAL_STORAGE_PLANES_ANGLE:
+            *params = mState.mCaps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes;
+            break;
+
+        default:
+            ANGLE_CONTEXT_TRY(mState.getIntegerv(this, pname, params));
+            break;
+    }
+}
+
+void Context::getIntegerVertexAttribImpl(GLenum pname, GLenum attribpname, GLint *params) const
+{
+    getVertexAttribivImpl(static_cast<GLuint>(vertexArrayIndex(ParamToVertexArrayType(pname))),
+                          attribpname, params);
+}
+
+void Context::getInteger64vImpl(GLenum pname, GLint64 *params) const
+{
+    // Queries about context capabilities and maximums are answered by Context.
+    // Queries about current GL state values are answered by State.
+    switch (pname)
+    {
+        case GL_MAX_ELEMENT_INDEX:
+            *params = mState.mCaps.maxElementIndex;
+            break;
+        case GL_MAX_UNIFORM_BLOCK_SIZE:
+            *params = mState.mCaps.maxUniformBlockSize;
+            break;
+        case GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:
+            *params = mState.mCaps.maxCombinedShaderUniformComponents[ShaderType::Vertex];
+            break;
+        case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
+            *params = mState.mCaps.maxCombinedShaderUniformComponents[ShaderType::Fragment];
+            break;
+        case GL_MAX_SERVER_WAIT_TIMEOUT:
+            *params = mState.mCaps.maxServerWaitTimeout;
+            break;
+
+        // GL_EXT_disjoint_timer_query
+        case GL_TIMESTAMP_EXT:
+            *params = mImplementation->getTimestamp();
+            break;
+
+        case GL_MAX_SHADER_STORAGE_BLOCK_SIZE:
+            *params = mState.mCaps.maxShaderStorageBlockSize;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void Context::getPointerv(GLenum pname, void **params)
+{
+    mState.getPointerv(this, pname, params);
+}
+
+void Context::getPointervRobustANGLERobust(GLenum pname,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           void **params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getIntegeri_v(GLenum target, GLuint index, GLint *data)
+{
+    // Queries about context capabilities and maximums are answered by Context.
+    // Queries about current GL state values are answered by State.
+
+    GLenum nativeType;
+    unsigned int numParams;
+    bool queryStatus = getIndexedQueryParameterInfo(target, &nativeType, &numParams);
+    ASSERT(queryStatus);
+
+    if (nativeType == GL_INT)
+    {
+        switch (target)
+        {
+            case GL_MAX_COMPUTE_WORK_GROUP_COUNT:
+                ASSERT(index < 3u);
+                *data = mState.mCaps.maxComputeWorkGroupCount[index];
+                break;
+            case GL_MAX_COMPUTE_WORK_GROUP_SIZE:
+                ASSERT(index < 3u);
+                *data = mState.mCaps.maxComputeWorkGroupSize[index];
+                break;
+            default:
+                mState.getIntegeri_v(this, target, index, data);
+        }
+    }
+    else
+    {
+        CastIndexedStateValues(this, nativeType, target, index, numParams, data);
+    }
+}
+
+void Context::getIntegeri_vRobust(GLenum target,
+                                  GLuint index,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLint *data)
+{
+    getIntegeri_v(target, index, data);
+}
+
+void Context::getInteger64i_v(GLenum target, GLuint index, GLint64 *data)
+{
+    // Queries about context capabilities and maximums are answered by Context.
+    // Queries about current GL state values are answered by State.
+
+    GLenum nativeType;
+    unsigned int numParams;
+    bool queryStatus = getIndexedQueryParameterInfo(target, &nativeType, &numParams);
+    ASSERT(queryStatus);
+
+    if (nativeType == GL_INT_64_ANGLEX)
+    {
+        mState.getInteger64i_v(target, index, data);
+    }
+    else
+    {
+        CastIndexedStateValues(this, nativeType, target, index, numParams, data);
+    }
+}
+
+void Context::getInteger64i_vRobust(GLenum target,
+                                    GLuint index,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLint64 *data)
+{
+    getInteger64i_v(target, index, data);
+}
+
+void Context::getBooleani_v(GLenum target, GLuint index, GLboolean *data)
+{
+    // Queries about context capabilities and maximums are answered by Context.
+    // Queries about current GL state values are answered by State.
+
+    GLenum nativeType;
+    unsigned int numParams;
+    bool queryStatus = getIndexedQueryParameterInfo(target, &nativeType, &numParams);
+    ASSERT(queryStatus);
+
+    if (nativeType == GL_BOOL)
+    {
+        mState.getBooleani_v(target, index, data);
+    }
+    else
+    {
+        CastIndexedStateValues(this, nativeType, target, index, numParams, data);
+    }
+}
+
+void Context::getBooleani_vRobust(GLenum target,
+                                  GLuint index,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLboolean *data)
+{
+    getBooleani_v(target, index, data);
+}
+
+void Context::getBufferParameteriv(BufferBinding target, GLenum pname, GLint *params)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    QueryBufferParameteriv(buffer, pname, params);
+}
+
+void Context::getBufferParameterivRobust(BufferBinding target,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLint *params)
+{
+    getBufferParameteriv(target, pname, params);
+}
+
+void Context::getFramebufferAttachmentParameteriv(GLenum target,
+                                                  GLenum attachment,
+                                                  GLenum pname,
+                                                  GLint *params)
+{
+    const Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    QueryFramebufferAttachmentParameteriv(this, framebuffer, attachment, pname, params);
+}
+
+void Context::getFramebufferAttachmentParameterivRobust(GLenum target,
+                                                        GLenum attachment,
+                                                        GLenum pname,
+                                                        GLsizei bufSize,
+                                                        GLsizei *length,
+                                                        GLint *params)
+{
+    getFramebufferAttachmentParameteriv(target, attachment, pname, params);
+}
+
+void Context::getRenderbufferParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+    Renderbuffer *renderbuffer = mState.getCurrentRenderbuffer();
+    QueryRenderbufferiv(this, renderbuffer, pname, params);
+}
+
+void Context::getRenderbufferParameterivRobust(GLenum target,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLint *params)
+{
+    getRenderbufferParameteriv(target, pname, params);
+}
+
+void Context::texBuffer(TextureType target, GLenum internalformat, BufferID buffer)
+{
+    ASSERT(target == TextureType::Buffer);
+
+    Texture *texture  = getTextureByType(target);
+    Buffer *bufferObj = mState.mBufferManager->getBuffer(buffer);
+    ANGLE_CONTEXT_TRY(texture->setBuffer(this, bufferObj, internalformat));
+}
+
+void Context::texBufferRange(TextureType target,
+                             GLenum internalformat,
+                             BufferID buffer,
+                             GLintptr offset,
+                             GLsizeiptr size)
+{
+    ASSERT(target == TextureType::Buffer);
+
+    Texture *texture  = getTextureByType(target);
+    Buffer *bufferObj = mState.mBufferManager->getBuffer(buffer);
+    ANGLE_CONTEXT_TRY(texture->setBufferRange(this, bufferObj, internalformat, offset, size));
+}
+
+void Context::getTexParameterfv(TextureType target, GLenum pname, GLfloat *params)
+{
+    const Texture *const texture = getTextureByType(target);
+    QueryTexParameterfv(this, texture, pname, params);
+}
+
+void Context::getTexParameterfvRobust(TextureType target,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      GLsizei *length,
+                                      GLfloat *params)
+{
+    getTexParameterfv(target, pname, params);
+}
+
+void Context::getTexParameteriv(TextureType target, GLenum pname, GLint *params)
+{
+    const Texture *const texture = getTextureByType(target);
+    QueryTexParameteriv(this, texture, pname, params);
+}
+
+void Context::getTexParameterIiv(TextureType target, GLenum pname, GLint *params)
+{
+    const Texture *const texture = getTextureByType(target);
+    QueryTexParameterIiv(this, texture, pname, params);
+}
+
+void Context::getTexParameterIuiv(TextureType target, GLenum pname, GLuint *params)
+{
+    const Texture *const texture = getTextureByType(target);
+    QueryTexParameterIuiv(this, texture, pname, params);
+}
+
+void Context::getTexParameterivRobust(TextureType target,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      GLsizei *length,
+                                      GLint *params)
+{
+    getTexParameteriv(target, pname, params);
+}
+
+void Context::getTexParameterIivRobust(TextureType target,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTexParameterIuivRobust(TextureType target,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLuint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTexLevelParameteriv(TextureTarget target, GLint level, GLenum pname, GLint *params)
+{
+    Texture *texture = getTextureByTarget(target);
+    QueryTexLevelParameteriv(texture, target, level, pname, params);
+}
+
+void Context::getTexLevelParameterivRobust(TextureTarget target,
+                                           GLint level,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTexLevelParameterfv(TextureTarget target,
+                                     GLint level,
+                                     GLenum pname,
+                                     GLfloat *params)
+{
+    Texture *texture = getTextureByTarget(target);
+    QueryTexLevelParameterfv(texture, target, level, pname, params);
+}
+
+void Context::getTexLevelParameterfvRobust(TextureTarget target,
+                                           GLint level,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLfloat *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texParameterf(TextureType target, GLenum pname, GLfloat param)
+{
+    Texture *const texture = getTextureByType(target);
+    SetTexParameterf(this, texture, pname, param);
+}
+
+void Context::texParameterfv(TextureType target, GLenum pname, const GLfloat *params)
+{
+    Texture *const texture = getTextureByType(target);
+    SetTexParameterfv(this, texture, pname, params);
+}
+
+void Context::texParameterfvRobust(TextureType target,
+                                   GLenum pname,
+                                   GLsizei bufSize,
+                                   const GLfloat *params)
+{
+    texParameterfv(target, pname, params);
+}
+
+void Context::texParameteri(TextureType target, GLenum pname, GLint param)
+{
+    // Some apps enable KHR_create_context_no_error but pass in an invalid texture type.
+    // Workaround this by silently returning in such situations.
+    if (target == TextureType::InvalidEnum)
+    {
+        return;
+    }
+
+    Texture *const texture = getTextureByType(target);
+    SetTexParameteri(this, texture, pname, param);
+}
+
+void Context::texParameteriv(TextureType target, GLenum pname, const GLint *params)
+{
+    Texture *const texture = getTextureByType(target);
+    SetTexParameteriv(this, texture, pname, params);
+}
+
+void Context::texParameterIiv(TextureType target, GLenum pname, const GLint *params)
+{
+    Texture *const texture = getTextureByType(target);
+    SetTexParameterIiv(this, texture, pname, params);
+}
+
+void Context::texParameterIuiv(TextureType target, GLenum pname, const GLuint *params)
+{
+    Texture *const texture = getTextureByType(target);
+    SetTexParameterIuiv(this, texture, pname, params);
+}
+
+void Context::texParameterivRobust(TextureType target,
+                                   GLenum pname,
+                                   GLsizei bufSize,
+                                   const GLint *params)
+{
+    texParameteriv(target, pname, params);
+}
+
+void Context::texParameterIivRobust(TextureType target,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texParameterIuivRobust(TextureType target,
+                                     GLenum pname,
+                                     GLsizei bufSize,
+                                     const GLuint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::drawArraysInstanced(PrimitiveMode mode,
+                                  GLint first,
+                                  GLsizei count,
+                                  GLsizei instanceCount)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDrawInstanced(mode, count, instanceCount))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(
+        mImplementation->drawArraysInstanced(this, mode, first, count, instanceCount));
+    MarkTransformFeedbackBufferUsage(this, count, instanceCount);
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawElementsInstanced(PrimitiveMode mode,
+                                    GLsizei count,
+                                    DrawElementsType type,
+                                    const void *indices,
+                                    GLsizei instances)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDrawInstanced(mode, count, instances))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(
+        mImplementation->drawElementsInstanced(this, mode, count, type, indices, instances));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawElementsBaseVertex(PrimitiveMode mode,
+                                     GLsizei count,
+                                     DrawElementsType type,
+                                     const void *indices,
+                                     GLint basevertex)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDraw(mode, count))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(
+        mImplementation->drawElementsBaseVertex(this, mode, count, type, indices, basevertex));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawElementsInstancedBaseVertex(PrimitiveMode mode,
+                                              GLsizei count,
+                                              DrawElementsType type,
+                                              const void *indices,
+                                              GLsizei instancecount,
+                                              GLint basevertex)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDrawInstanced(mode, count, instancecount))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->drawElementsInstancedBaseVertex(
+        this, mode, count, type, indices, instancecount, basevertex));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawRangeElements(PrimitiveMode mode,
+                                GLuint start,
+                                GLuint end,
+                                GLsizei count,
+                                DrawElementsType type,
+                                const void *indices)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDraw(mode, count))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(
+        mImplementation->drawRangeElements(this, mode, start, end, count, type, indices));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawRangeElementsBaseVertex(PrimitiveMode mode,
+                                          GLuint start,
+                                          GLuint end,
+                                          GLsizei count,
+                                          DrawElementsType type,
+                                          const void *indices,
+                                          GLint basevertex)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDraw(mode, count))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->drawRangeElementsBaseVertex(this, mode, start, end, count,
+                                                                   type, indices, basevertex));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawArraysIndirect(PrimitiveMode mode, const void *indirect)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->drawArraysIndirect(this, mode, indirect));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawElementsIndirect(PrimitiveMode mode, DrawElementsType type, const void *indirect)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->drawElementsIndirect(this, mode, type, indirect));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::flush()
+{
+    ANGLE_CONTEXT_TRY(mImplementation->flush(this));
+}
+
+void Context::finish()
+{
+    ANGLE_CONTEXT_TRY(mImplementation->finish(this));
+}
+
+void Context::insertEventMarker(GLsizei length, const char *marker)
+{
+    ASSERT(mImplementation);
+    ANGLE_CONTEXT_TRY(mImplementation->insertEventMarker(length, marker));
+}
+
+void Context::pushGroupMarker(GLsizei length, const char *marker)
+{
+    ASSERT(mImplementation);
+
+    if (marker == nullptr)
+    {
+        // From the EXT_debug_marker spec,
+        // "If <marker> is null then an empty string is pushed on the stack."
+        ANGLE_CONTEXT_TRY(mImplementation->pushGroupMarker(length, ""));
+    }
+    else
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->pushGroupMarker(length, marker));
+    }
+}
+
+void Context::popGroupMarker()
+{
+    ASSERT(mImplementation);
+    ANGLE_CONTEXT_TRY(mImplementation->popGroupMarker());
+}
+
+void Context::bindUniformLocation(ShaderProgramID program,
+                                  UniformLocation location,
+                                  const GLchar *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+
+    programObject->bindUniformLocation(location, name);
+}
+
+void Context::coverageModulation(GLenum components)
+{
+    mState.setCoverageModulation(components);
+}
+
+GLuint Context::getProgramResourceIndex(ShaderProgramID program,
+                                        GLenum programInterface,
+                                        const GLchar *name)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    return QueryProgramResourceIndex(programObject, programInterface, name);
+}
+
+void Context::getProgramResourceName(ShaderProgramID program,
+                                     GLenum programInterface,
+                                     GLuint index,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *name)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    QueryProgramResourceName(this, programObject, programInterface, index, bufSize, length, name);
+}
+
+GLint Context::getProgramResourceLocation(ShaderProgramID program,
+                                          GLenum programInterface,
+                                          const GLchar *name)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    return QueryProgramResourceLocation(programObject, programInterface, name);
+}
+
+void Context::getProgramResourceiv(ShaderProgramID program,
+                                   GLenum programInterface,
+                                   GLuint index,
+                                   GLsizei propCount,
+                                   const GLenum *props,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLint *params)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    QueryProgramResourceiv(programObject, programInterface, {index}, propCount, props, bufSize,
+                           length, params);
+}
+
+void Context::getProgramInterfaceiv(ShaderProgramID program,
+                                    GLenum programInterface,
+                                    GLenum pname,
+                                    GLint *params)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    QueryProgramInterfaceiv(programObject, programInterface, pname, params);
+}
+
+void Context::getProgramInterfaceivRobust(ShaderProgramID program,
+                                          GLenum programInterface,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::handleError(GLenum errorCode,
+                          const char *message,
+                          const char *file,
+                          const char *function,
+                          unsigned int line)
+{
+    mErrors.handleError(errorCode, message, file, function, line);
+}
+
+void Context::validationError(angle::EntryPoint entryPoint,
+                              GLenum errorCode,
+                              const char *message) const
+{
+    const_cast<Context *>(this)->mErrors.validationError(entryPoint, errorCode, message);
+}
+
+void Context::validationErrorF(angle::EntryPoint entryPoint,
+                               GLenum errorCode,
+                               const char *format,
+                               ...) const
+{
+    va_list vargs;
+    va_start(vargs, format);
+    constexpr size_t kMessageSize = 256;
+    char message[kMessageSize];
+    int r = vsnprintf(message, kMessageSize, format, vargs);
+    va_end(vargs);
+
+    if (r > 0)
+    {
+        validationError(entryPoint, errorCode, message);
+    }
+    else
+    {
+        validationError(entryPoint, errorCode, format);
+    }
+}
+
+// Get one of the recorded errors and clear its flag, if any.
+// [OpenGL ES 2.0.24] section 2.5 page 13.
+GLenum Context::getError()
+{
+    if (mErrors.empty())
+    {
+        return GL_NO_ERROR;
+    }
+    else
+    {
+        return mErrors.popError();
+    }
+}
+
+// NOTE: this function should not assume that this context is current!
+void Context::markContextLost(GraphicsResetStatus status)
+{
+    ASSERT(status != GraphicsResetStatus::NoError);
+    if (mResetStrategy == GL_LOSE_CONTEXT_ON_RESET_EXT)
+    {
+        mResetStatus       = status;
+        mContextLostForced = true;
+    }
+    setContextLost();
+}
+
+void Context::setContextLost()
+{
+    mContextLost = true;
+
+    // Stop skipping validation, since many implementation entrypoint assume they can't
+    // be called when lost, or with null object arguments, etc.
+    mSkipValidation = false;
+
+    // Make sure we update TLS.
+#if defined(ANGLE_PLATFORM_APPLE)
+    SetCurrentValidContextTLS(nullptr);
+#else
+    gCurrentValidContext = nullptr;
+#endif
+}
+
+GLenum Context::getGraphicsResetStatus()
+{
+    // Even if the application doesn't want to know about resets, we want to know
+    // as it will allow us to skip all the calls.
+    if (mResetStrategy == GL_NO_RESET_NOTIFICATION_EXT)
+    {
+        if (!isContextLost() && mImplementation->getResetStatus() != GraphicsResetStatus::NoError)
+        {
+            setContextLost();
+        }
+
+        // EXT_robustness, section 2.6: If the reset notification behavior is
+        // NO_RESET_NOTIFICATION_EXT, then the implementation will never deliver notification of
+        // reset events, and GetGraphicsResetStatusEXT will always return NO_ERROR.
+        return GL_NO_ERROR;
+    }
+
+    // The GL_EXT_robustness spec says that if a reset is encountered, a reset
+    // status should be returned at least once, and GL_NO_ERROR should be returned
+    // once the device has finished resetting.
+    if (!isContextLost())
+    {
+        ASSERT(mResetStatus == GraphicsResetStatus::NoError);
+        mResetStatus = mImplementation->getResetStatus();
+
+        if (mResetStatus != GraphicsResetStatus::NoError)
+        {
+            setContextLost();
+        }
+    }
+    else if (!mContextLostForced && mResetStatus != GraphicsResetStatus::NoError)
+    {
+        // If markContextLost was used to mark the context lost then
+        // assume that is not recoverable, and continue to report the
+        // lost reset status for the lifetime of this context.
+        mResetStatus = mImplementation->getResetStatus();
+    }
+
+    return ToGLenum(mResetStatus);
+}
+
+bool Context::isResetNotificationEnabled() const
+{
+    return (mResetStrategy == GL_LOSE_CONTEXT_ON_RESET_EXT);
+}
+
+bool Context::isRobustnessEnabled() const
+{
+    return mState.hasRobustAccess();
+}
+
+const egl::Config *Context::getConfig() const
+{
+    return mConfig;
+}
+
+EGLenum Context::getClientType() const
+{
+    return mState.getClientType();
+}
+
+EGLenum Context::getRenderBuffer() const
+{
+    const Framebuffer *framebuffer =
+        mState.mFramebufferManager->getFramebuffer(Framebuffer::kDefaultDrawFramebufferHandle);
+    if (framebuffer == nullptr)
+    {
+        return EGL_NONE;
+    }
+
+    const FramebufferAttachment *backAttachment = framebuffer->getAttachment(this, GL_BACK);
+    ASSERT(backAttachment != nullptr);
+    return backAttachment->getSurface()->getRenderBuffer();
+}
+
+VertexArray *Context::checkVertexArrayAllocation(VertexArrayID vertexArrayHandle)
+{
+    // Only called after a prior call to Gen.
+    VertexArray *vertexArray = getVertexArray(vertexArrayHandle);
+    if (!vertexArray)
+    {
+        vertexArray =
+            new VertexArray(mImplementation.get(), vertexArrayHandle,
+                            mState.mCaps.maxVertexAttributes, mState.mCaps.maxVertexAttribBindings);
+        vertexArray->setBufferAccessValidationEnabled(mBufferAccessValidationEnabled);
+
+        mVertexArrayMap.assign(vertexArrayHandle, vertexArray);
+    }
+
+    return vertexArray;
+}
+
+TransformFeedback *Context::checkTransformFeedbackAllocation(
+    TransformFeedbackID transformFeedbackHandle)
+{
+    // Only called after a prior call to Gen.
+    TransformFeedback *transformFeedback = getTransformFeedback(transformFeedbackHandle);
+    if (!transformFeedback)
+    {
+        transformFeedback =
+            new TransformFeedback(mImplementation.get(), transformFeedbackHandle, mState.mCaps);
+        transformFeedback->addRef();
+        mTransformFeedbackMap.assign(transformFeedbackHandle, transformFeedback);
+    }
+
+    return transformFeedback;
+}
+
+bool Context::isVertexArrayGenerated(VertexArrayID vertexArray) const
+{
+    ASSERT(mVertexArrayMap.contains({0}));
+    return mVertexArrayMap.contains(vertexArray);
+}
+
+bool Context::isTransformFeedbackGenerated(TransformFeedbackID transformFeedback) const
+{
+    ASSERT(mTransformFeedbackMap.contains({0}));
+    return mTransformFeedbackMap.contains(transformFeedback);
+}
+
+void Context::detachTexture(TextureID texture)
+{
+    // The State cannot unbind image observers itself, they are owned by the Context
+    Texture *tex = mState.mTextureManager->getTexture(texture);
+    for (auto &imageBinding : mImageObserverBindings)
+    {
+        if (imageBinding.getSubject() == tex)
+        {
+            imageBinding.reset();
+        }
+    }
+
+    // Simple pass-through to State's detachTexture method, as textures do not require
+    // allocation map management either here or in the resource manager at detach time.
+    // Zero textures are held by the Context, and we don't attempt to request them from
+    // the State.
+    mState.detachTexture(this, mZeroTextures, texture);
+}
+
+void Context::detachBuffer(Buffer *buffer)
+{
+    // Simple pass-through to State's detachBuffer method, since
+    // only buffer attachments to container objects that are bound to the current context
+    // should be detached. And all those are available in State.
+
+    // [OpenGL ES 3.2] section 5.1.2 page 45:
+    // Attachments to unbound container objects, such as
+    // deletion of a buffer attached to a vertex array object which is not bound to the context,
+    // are not affected and continue to act as references on the deleted object
+    ANGLE_CONTEXT_TRY(mState.detachBuffer(this, buffer));
+}
+
+void Context::detachFramebuffer(FramebufferID framebuffer)
+{
+    // Framebuffer detachment is handled by Context, because 0 is a valid
+    // Framebuffer object, and a pointer to it must be passed from Context
+    // to State at binding time.
+
+    // [OpenGL ES 2.0.24] section 4.4 page 107:
+    // If a framebuffer that is currently bound to the target FRAMEBUFFER is deleted, it is as
+    // though BindFramebuffer had been executed with the target of FRAMEBUFFER and framebuffer of
+    // zero.
+
+    if (mState.removeReadFramebufferBinding(framebuffer) && framebuffer.value != 0)
+    {
+        bindReadFramebuffer({0});
+    }
+
+    if (mState.removeDrawFramebufferBinding(framebuffer) && framebuffer.value != 0)
+    {
+        bindDrawFramebuffer({0});
+    }
+}
+
+void Context::detachRenderbuffer(RenderbufferID renderbuffer)
+{
+    mState.detachRenderbuffer(this, renderbuffer);
+}
+
+void Context::detachVertexArray(VertexArrayID vertexArray)
+{
+    // Vertex array detachment is handled by Context, because 0 is a valid
+    // VAO, and a pointer to it must be passed from Context to State at
+    // binding time.
+
+    // [OpenGL ES 3.0.2] section 2.10 page 43:
+    // If a vertex array object that is currently bound is deleted, the binding
+    // for that object reverts to zero and the default vertex array becomes current.
+    if (mState.removeVertexArrayBinding(this, vertexArray))
+    {
+        bindVertexArray({0});
+    }
+}
+
+void Context::detachTransformFeedback(TransformFeedbackID transformFeedback)
+{
+    // Transform feedback detachment is handled by Context, because 0 is a valid
+    // transform feedback, and a pointer to it must be passed from Context to State at
+    // binding time.
+
+    // The OpenGL specification doesn't mention what should happen when the currently bound
+    // transform feedback object is deleted. Since it is a container object, we treat it like
+    // VAOs and FBOs and set the current bound transform feedback back to 0.
+    if (mState.removeTransformFeedbackBinding(this, transformFeedback))
+    {
+        bindTransformFeedback(GL_TRANSFORM_FEEDBACK, {0});
+        mStateCache.onActiveTransformFeedbackChange(this);
+    }
+}
+
+void Context::detachSampler(SamplerID sampler)
+{
+    mState.detachSampler(this, sampler);
+}
+
+void Context::detachProgramPipeline(ProgramPipelineID pipeline)
+{
+    mState.detachProgramPipeline(this, pipeline);
+}
+
+void Context::vertexAttribDivisor(GLuint index, GLuint divisor)
+{
+    mState.setVertexAttribDivisor(this, index, divisor);
+    mStateCache.onVertexArrayStateChange(this);
+}
+
+void Context::samplerParameteri(SamplerID sampler, GLenum pname, GLint param)
+{
+    Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    SetSamplerParameteri(this, samplerObject, pname, param);
+}
+
+void Context::samplerParameteriv(SamplerID sampler, GLenum pname, const GLint *param)
+{
+    Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    SetSamplerParameteriv(this, samplerObject, pname, param);
+}
+
+void Context::samplerParameterIiv(SamplerID sampler, GLenum pname, const GLint *param)
+{
+    Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    SetSamplerParameterIiv(this, samplerObject, pname, param);
+}
+
+void Context::samplerParameterIuiv(SamplerID sampler, GLenum pname, const GLuint *param)
+{
+    Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    SetSamplerParameterIuiv(this, samplerObject, pname, param);
+}
+
+void Context::samplerParameterivRobust(SamplerID sampler,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       const GLint *param)
+{
+    samplerParameteriv(sampler, pname, param);
+}
+
+void Context::samplerParameterIivRobust(SamplerID sampler,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        const GLint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::samplerParameterIuivRobust(SamplerID sampler,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         const GLuint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::samplerParameterf(SamplerID sampler, GLenum pname, GLfloat param)
+{
+    Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    SetSamplerParameterf(this, samplerObject, pname, param);
+}
+
+void Context::samplerParameterfv(SamplerID sampler, GLenum pname, const GLfloat *param)
+{
+    Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    SetSamplerParameterfv(this, samplerObject, pname, param);
+}
+
+void Context::samplerParameterfvRobust(SamplerID sampler,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       const GLfloat *param)
+{
+    samplerParameterfv(sampler, pname, param);
+}
+
+void Context::getSamplerParameteriv(SamplerID sampler, GLenum pname, GLint *params)
+{
+    const Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    QuerySamplerParameteriv(samplerObject, pname, params);
+}
+
+void Context::getSamplerParameterIiv(SamplerID sampler, GLenum pname, GLint *params)
+{
+    const Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    QuerySamplerParameterIiv(samplerObject, pname, params);
+}
+
+void Context::getSamplerParameterIuiv(SamplerID sampler, GLenum pname, GLuint *params)
+{
+    const Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    QuerySamplerParameterIuiv(samplerObject, pname, params);
+}
+
+void Context::getSamplerParameterivRobust(SamplerID sampler,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint *params)
+{
+    getSamplerParameteriv(sampler, pname, params);
+}
+
+void Context::getSamplerParameterIivRobust(SamplerID sampler,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getSamplerParameterIuivRobust(SamplerID sampler,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLuint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getSamplerParameterfv(SamplerID sampler, GLenum pname, GLfloat *params)
+{
+    const Sampler *const samplerObject =
+        mState.mSamplerManager->checkSamplerAllocation(mImplementation.get(), sampler);
+    QuerySamplerParameterfv(samplerObject, pname, params);
+}
+
+void Context::getSamplerParameterfvRobust(SamplerID sampler,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLfloat *params)
+{
+    getSamplerParameterfv(sampler, pname, params);
+}
+
+void Context::programParameteri(ShaderProgramID program, GLenum pname, GLint value)
+{
+    gl::Program *programObject = getProgramResolveLink(program);
+    SetProgramParameteri(programObject, pname, value);
+}
+
+void Context::initRendererString()
+{
+    std::ostringstream frontendRendererString;
+    std::string vendorString(mDisplay->getBackendVendorString());
+    std::string rendererString(mDisplay->getBackendRendererDescription());
+    std::string versionString(mDisplay->getBackendVersionString(!isWebGL()));
+    // Commas are used as a separator in ANGLE's renderer string, so remove commas from each
+    // element.
+    vendorString.erase(std::remove(vendorString.begin(), vendorString.end(), ','),
+                       vendorString.end());
+    rendererString.erase(std::remove(rendererString.begin(), rendererString.end(), ','),
+                         rendererString.end());
+    versionString.erase(std::remove(versionString.begin(), versionString.end(), ','),
+                        versionString.end());
+    frontendRendererString << "ANGLE (";
+    frontendRendererString << vendorString;
+    frontendRendererString << ", ";
+    frontendRendererString << rendererString;
+    frontendRendererString << ", ";
+    frontendRendererString << versionString;
+    frontendRendererString << ")";
+
+    mRendererString = MakeStaticString(frontendRendererString.str());
+}
+
+void Context::initVersionStrings()
+{
+    const Version &clientVersion = getClientVersion();
+
+    std::ostringstream versionString;
+    if (getClientType() == EGL_OPENGL_ES_API)
+    {
+        versionString << "OpenGL ES ";
+    }
+    versionString << clientVersion.major << "." << clientVersion.minor << ".0 (ANGLE "
+                  << angle::GetANGLEVersionString() << ")";
+    mVersionString = MakeStaticString(versionString.str());
+
+    std::ostringstream shadingLanguageVersionString;
+    if (getClientType() == EGL_OPENGL_ES_API)
+    {
+        shadingLanguageVersionString << "OpenGL ES GLSL ES ";
+    }
+    else
+    {
+        ASSERT(getClientType() == EGL_OPENGL_API);
+        shadingLanguageVersionString << "OpenGL GLSL ";
+    }
+    shadingLanguageVersionString << (clientVersion.major == 2 ? 1 : clientVersion.major) << "."
+                                 << clientVersion.minor << "0 (ANGLE "
+                                 << angle::GetANGLEVersionString() << ")";
+    mShadingLanguageString = MakeStaticString(shadingLanguageVersionString.str());
+}
+
+void Context::initExtensionStrings()
+{
+    auto mergeExtensionStrings = [](const std::vector<const char *> &strings) {
+        std::ostringstream combinedStringStream;
+        std::copy(strings.begin(), strings.end(),
+                  std::ostream_iterator<const char *>(combinedStringStream, " "));
+        return MakeStaticString(combinedStringStream.str());
+    };
+
+    mExtensionStrings.clear();
+    for (const auto &extensionString : mState.mExtensions.getStrings())
+    {
+        mExtensionStrings.push_back(MakeStaticString(extensionString));
+    }
+    mExtensionString = mergeExtensionStrings(mExtensionStrings);
+
+    mRequestableExtensionStrings.clear();
+    for (const auto &extensionInfo : GetExtensionInfoMap())
+    {
+        if (extensionInfo.second.Requestable &&
+            !(mState.mExtensions.*(extensionInfo.second.ExtensionsMember)) &&
+            mSupportedExtensions.*(extensionInfo.second.ExtensionsMember))
+        {
+            mRequestableExtensionStrings.push_back(MakeStaticString(extensionInfo.first));
+        }
+    }
+    mRequestableExtensionString = mergeExtensionStrings(mRequestableExtensionStrings);
+}
+
+const GLubyte *Context::getString(GLenum name)
+{
+    return static_cast<const Context *>(this)->getString(name);
+}
+
+const GLubyte *Context::getStringi(GLenum name, GLuint index)
+{
+    return static_cast<const Context *>(this)->getStringi(name, index);
+}
+
+const GLubyte *Context::getString(GLenum name) const
+{
+    switch (name)
+    {
+        case GL_VENDOR:
+            return reinterpret_cast<const GLubyte *>(mDisplay->getVendorString().c_str());
+
+        case GL_RENDERER:
+            return reinterpret_cast<const GLubyte *>(mRendererString);
+
+        case GL_VERSION:
+            return reinterpret_cast<const GLubyte *>(mVersionString);
+
+        case GL_SHADING_LANGUAGE_VERSION:
+            return reinterpret_cast<const GLubyte *>(mShadingLanguageString);
+
+        case GL_EXTENSIONS:
+            return reinterpret_cast<const GLubyte *>(mExtensionString);
+
+        case GL_REQUESTABLE_EXTENSIONS_ANGLE:
+            return reinterpret_cast<const GLubyte *>(mRequestableExtensionString);
+
+        case GL_SERIALIZED_CONTEXT_STRING_ANGLE:
+            if (angle::SerializeContextToString(this, &mCachedSerializedStateString) ==
+                angle::Result::Continue)
+            {
+                return reinterpret_cast<const GLubyte *>(mCachedSerializedStateString.c_str());
+            }
+            else
+            {
+                return nullptr;
+            }
+
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+const GLubyte *Context::getStringi(GLenum name, GLuint index) const
+{
+    switch (name)
+    {
+        case GL_EXTENSIONS:
+            return reinterpret_cast<const GLubyte *>(mExtensionStrings[index]);
+
+        case GL_REQUESTABLE_EXTENSIONS_ANGLE:
+            return reinterpret_cast<const GLubyte *>(mRequestableExtensionStrings[index]);
+
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+size_t Context::getExtensionStringCount() const
+{
+    return mExtensionStrings.size();
+}
+
+bool Context::isExtensionRequestable(const char *name) const
+{
+    const ExtensionInfoMap &extensionInfos = GetExtensionInfoMap();
+    auto extension                         = extensionInfos.find(name);
+
+    return extension != extensionInfos.end() && extension->second.Requestable &&
+           mSupportedExtensions.*(extension->second.ExtensionsMember);
+}
+
+bool Context::isExtensionDisablable(const char *name) const
+{
+    const ExtensionInfoMap &extensionInfos = GetExtensionInfoMap();
+    auto extension                         = extensionInfos.find(name);
+
+    return extension != extensionInfos.end() && extension->second.Disablable &&
+           mSupportedExtensions.*(extension->second.ExtensionsMember);
+}
+
+void Context::requestExtension(const char *name)
+{
+    setExtensionEnabled(name, true);
+}
+void Context::disableExtension(const char *name)
+{
+    setExtensionEnabled(name, false);
+}
+
+void Context::setExtensionEnabled(const char *name, bool enabled)
+{
+    // OVR_multiview is implicitly enabled when OVR_multiview2 is enabled
+    if (strcmp(name, "GL_OVR_multiview2") == 0)
+    {
+        setExtensionEnabled("GL_OVR_multiview", enabled);
+    }
+    const ExtensionInfoMap &extensionInfos = GetExtensionInfoMap();
+    ASSERT(extensionInfos.find(name) != extensionInfos.end());
+    const auto &extension = extensionInfos.at(name);
+    ASSERT(extension.Requestable);
+    ASSERT(isExtensionRequestable(name));
+
+    if (mState.mExtensions.*(extension.ExtensionsMember) == enabled)
+    {
+        // No change
+        return;
+    }
+
+    mState.mExtensions.*(extension.ExtensionsMember) = enabled;
+
+    reinitializeAfterExtensionsChanged();
+}
+
+void Context::reinitializeAfterExtensionsChanged()
+{
+    updateCaps();
+    initExtensionStrings();
+
+    // Release the shader compiler so it will be re-created with the requested extensions enabled.
+    releaseShaderCompiler();
+
+    // Invalidate all textures and framebuffer. Some extensions make new formats renderable or
+    // sampleable.
+    mState.mTextureManager->signalAllTexturesDirty();
+    for (auto &zeroTexture : mZeroTextures)
+    {
+        if (zeroTexture.get() != nullptr)
+        {
+            zeroTexture->signalDirtyStorage(InitState::Initialized);
+        }
+    }
+
+    mState.mFramebufferManager->invalidateFramebufferCompletenessCache();
+}
+
+size_t Context::getRequestableExtensionStringCount() const
+{
+    return mRequestableExtensionStrings.size();
+}
+
+void Context::beginTransformFeedback(PrimitiveMode primitiveMode)
+{
+    TransformFeedback *transformFeedback = mState.getCurrentTransformFeedback();
+    ASSERT(transformFeedback != nullptr);
+    ASSERT(!transformFeedback->isPaused());
+
+    // TODO: http://anglebug.com/7232: Handle PPOs
+    ANGLE_CONTEXT_TRY(transformFeedback->begin(this, primitiveMode, mState.getProgram()));
+    mStateCache.onActiveTransformFeedbackChange(this);
+}
+
+bool Context::hasActiveTransformFeedback(ShaderProgramID program) const
+{
+    for (auto pair : mTransformFeedbackMap)
+    {
+        if (pair.second != nullptr && pair.second->hasBoundProgram(program))
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+Extensions Context::generateSupportedExtensions() const
+{
+    Extensions supportedExtensions = mImplementation->getNativeExtensions();
+
+    if (getClientVersion() < ES_2_0)
+    {
+        // Default extensions for GLES1
+        supportedExtensions.pointSizeArrayOES        = true;
+        supportedExtensions.textureCubeMapOES        = true;
+        supportedExtensions.pointSpriteOES           = true;
+        supportedExtensions.drawTextureOES           = true;
+        supportedExtensions.framebufferObjectOES     = true;
+        supportedExtensions.parallelShaderCompileKHR = false;
+        supportedExtensions.texture3DOES             = false;
+        supportedExtensions.clipDistanceAPPLE        = false;
+    }
+
+    if (getClientVersion() < ES_3_0)
+    {
+        // Disable ES3+ extensions
+        supportedExtensions.colorBufferFloatEXT          = false;
+        supportedExtensions.EGLImageExternalEssl3OES     = false;
+        supportedExtensions.multiviewOVR                 = false;
+        supportedExtensions.multiview2OVR                = false;
+        supportedExtensions.multiviewMultisampleANGLE    = false;
+        supportedExtensions.copyTexture3dANGLE           = false;
+        supportedExtensions.textureMultisampleANGLE      = false;
+        supportedExtensions.drawBuffersIndexedEXT        = false;
+        supportedExtensions.drawBuffersIndexedOES        = false;
+        supportedExtensions.EGLImageArrayEXT             = false;
+        supportedExtensions.textureFormatSRGBOverrideEXT = false;
+
+        // Support GL_EXT_texture_norm16 on non-WebGL ES2 contexts. This is needed for R16/RG16
+        // texturing for HDR video playback in Chromium which uses ES2 for compositor contexts.
+        // Remove this workaround after Chromium migrates to ES3 for compositor contexts.
+        if (mWebGLContext || getClientVersion() < ES_2_0)
+        {
+            supportedExtensions.textureNorm16EXT = false;
+        }
+
+        // Requires immutable textures
+        supportedExtensions.yuvInternalFormatANGLE = false;
+
+        // Require ESSL 3.0
+        supportedExtensions.shaderMultisampleInterpolationOES  = false;
+        supportedExtensions.shaderNoperspectiveInterpolationNV = false;
+        supportedExtensions.sampleVariablesOES                 = false;
+
+        // Require ES 3.1 but could likely be exposed on 3.0
+        supportedExtensions.textureCubeMapArrayEXT = false;
+        supportedExtensions.textureCubeMapArrayOES = false;
+
+        // Require RED and RG formats
+        supportedExtensions.textureSRGBR8EXT  = false;
+        supportedExtensions.textureSRGBRG8EXT = false;
+
+        // Requires glCompressedTexImage3D
+        supportedExtensions.textureCompressionAstcOES = false;
+
+        // Don't expose GL_EXT_texture_sRGB_decode without sRGB texture support
+        if (!supportedExtensions.sRGBEXT)
+        {
+            supportedExtensions.textureSRGBDecodeEXT = false;
+        }
+
+        // Don't expose GL_OES_texture_float_linear without full legacy float texture support
+        // The renderer may report OES_texture_float_linear without OES_texture_float
+        // This is valid in a GLES 3.0 context, but not in a GLES 2.0 context
+        if (!(supportedExtensions.textureFloatOES && supportedExtensions.textureHalfFloatOES))
+        {
+            supportedExtensions.textureFloatLinearOES     = false;
+            supportedExtensions.textureHalfFloatLinearOES = false;
+        }
+
+        // Because of the difference in the SNORM to FLOAT conversion formula
+        // between GLES 2.0 and 3.0, vertex type 10_10_10_2 is disabled
+        // when the context version is lower than 3.0
+        supportedExtensions.vertexType1010102OES = false;
+
+        // GL_EXT_EGL_image_storage requires ESSL3
+        supportedExtensions.EGLImageStorageEXT = false;
+
+        // GL_EXT_YUV_target requires ESSL3
+        supportedExtensions.YUVTargetEXT = false;
+
+        // GL_EXT_clip_cull_distance requires ESSL3
+        supportedExtensions.clipCullDistanceEXT = false;
+
+        // ANGLE_shader_pixel_local_storage requires ES3
+        supportedExtensions.shaderPixelLocalStorageANGLE         = false;
+        supportedExtensions.shaderPixelLocalStorageCoherentANGLE = false;
+    }
+
+    if (getClientVersion() < ES_3_1)
+    {
+        // Disable ES3.1+ extensions
+        supportedExtensions.geometryShaderEXT       = false;
+        supportedExtensions.geometryShaderOES       = false;
+        supportedExtensions.gpuShader5EXT           = false;
+        supportedExtensions.primitiveBoundingBoxEXT = false;
+        supportedExtensions.shaderImageAtomicOES    = false;
+        supportedExtensions.shaderIoBlocksEXT       = false;
+        supportedExtensions.shaderIoBlocksOES       = false;
+        supportedExtensions.tessellationShaderEXT   = false;
+        supportedExtensions.textureBufferEXT        = false;
+        supportedExtensions.textureBufferOES        = false;
+
+        // TODO(http://anglebug.com/2775): Multisample arrays could be supported on ES 3.0 as well
+        // once 2D multisample texture extension is exposed there.
+        supportedExtensions.textureStorageMultisample2dArrayOES = false;
+    }
+
+    if (getClientVersion() > ES_2_0)
+    {
+        // FIXME(geofflang): Don't support EXT_sRGB in non-ES2 contexts
+        // supportedExtensions.sRGB = false;
+
+        // If colorBufferFloatEXT is disabled but colorBufferHalfFloatEXT is enabled, then we will
+        // expose some floating-point formats as color buffer targets but reject blits between
+        // fixed-point and floating-point formats (this behavior is only enabled in
+        // colorBufferFloatEXT, and must be rejected if only colorBufferHalfFloatEXT is enabled).
+        // dEQP does not check for this, and will assume that floating-point and fixed-point formats
+        // can be blit onto each other if the format is available.
+        // We require colorBufferFloatEXT to be present in order to enable colorBufferHalfFloatEXT,
+        // so that blitting is always allowed if the requested formats are exposed and have the
+        // correct feature capabilities. WebGL 2 wants to support colorBufferHalfFloatEXT without
+        // colorBufferFloatEXT.
+        if (!supportedExtensions.colorBufferFloatEXT && !mWebGLContext)
+        {
+            supportedExtensions.colorBufferHalfFloatEXT = false;
+        }
+
+        // Disable support for CHROMIUM_color_buffer_float_rgb[a] in ES 3.0+, these extensions are
+        // non-conformant in ES 3.0 and superseded by EXT_color_buffer_float.
+        supportedExtensions.colorBufferFloatRgbCHROMIUM  = false;
+        supportedExtensions.colorBufferFloatRgbaCHROMIUM = false;
+    }
+
+    if (getFrontendFeatures().disableDrawBuffersIndexed.enabled)
+    {
+        supportedExtensions.drawBuffersIndexedEXT = false;
+        supportedExtensions.drawBuffersIndexedOES = false;
+    }
+
+    if (getFrontendFeatures().disableAnisotropicFiltering.enabled)
+    {
+        supportedExtensions.textureFilterAnisotropicEXT = false;
+    }
+
+    if (!getFrontendFeatures().emulatePixelLocalStorage.enabled)
+    {
+        supportedExtensions.shaderPixelLocalStorageANGLE         = false;
+        supportedExtensions.shaderPixelLocalStorageCoherentANGLE = false;
+    }
+
+    // Some extensions are always available because they are implemented in the GL layer.
+    supportedExtensions.bindUniformLocationCHROMIUM   = true;
+    supportedExtensions.vertexArrayObjectOES          = true;
+    supportedExtensions.bindGeneratesResourceCHROMIUM = true;
+    supportedExtensions.clientArraysANGLE             = true;
+    supportedExtensions.requestExtensionANGLE         = true;
+    supportedExtensions.multiDrawANGLE                = true;
+
+    // Enable the no error extension if the context was created with the flag.
+    supportedExtensions.noErrorKHR = mSkipValidation;
+
+    // Enable surfaceless to advertise we'll have the correct behavior when there is no default FBO
+    supportedExtensions.surfacelessContextOES = mSurfacelessSupported;
+
+    // Explicitly enable GL_KHR_debug
+    supportedExtensions.debugKHR = true;
+
+    // Explicitly enable GL_EXT_debug_label
+    supportedExtensions.debugLabelEXT = true;
+
+    // Explicitly enable GL_ANGLE_robust_client_memory if the context supports validation.
+    supportedExtensions.robustClientMemoryANGLE = !mSkipValidation;
+
+    // Determine robust resource init availability from EGL.
+    supportedExtensions.robustResourceInitializationANGLE = mState.isRobustResourceInitEnabled();
+
+    // mState.mExtensions.robustBufferAccessBehaviorKHR is true only if robust access is true and
+    // the backend supports it.
+    supportedExtensions.robustBufferAccessBehaviorKHR =
+        mState.hasRobustAccess() && supportedExtensions.robustBufferAccessBehaviorKHR;
+
+    // Enable the cache control query unconditionally.
+    supportedExtensions.programCacheControlANGLE = true;
+
+    // If EGL_KHR_fence_sync is not enabled, don't expose GL_OES_EGL_sync.
+    ASSERT(mDisplay);
+    if (!mDisplay->getExtensions().fenceSync)
+    {
+        supportedExtensions.EGLSyncOES = false;
+    }
+
+    if (mDisplay->getExtensions().robustnessVideoMemoryPurgeNV)
+    {
+        supportedExtensions.robustnessVideoMemoryPurgeNV = true;
+    }
+
+    supportedExtensions.memorySizeANGLE = true;
+
+    // GL_CHROMIUM_lose_context is implemented in the frontend
+    supportedExtensions.loseContextCHROMIUM = true;
+
+    // The ASTC texture extensions have dependency requirements.
+    if (supportedExtensions.textureCompressionAstcHdrKHR ||
+        supportedExtensions.textureCompressionAstcSliced3dKHR)
+    {
+        // GL_KHR_texture_compression_astc_hdr cannot be exposed without also exposing
+        // GL_KHR_texture_compression_astc_ldr
+        ASSERT(supportedExtensions.textureCompressionAstcLdrKHR);
+    }
+
+    if (supportedExtensions.textureCompressionAstcOES)
+    {
+        // GL_OES_texture_compression_astc cannot be exposed without also exposing
+        // GL_KHR_texture_compression_astc_ldr and GL_KHR_texture_compression_astc_hdr
+        ASSERT(supportedExtensions.textureCompressionAstcLdrKHR);
+        ASSERT(supportedExtensions.textureCompressionAstcHdrKHR);
+    }
+
+    // GL_KHR_protected_textures
+    // If EGL_KHR_protected_content is not supported then GL_EXT_protected_texture
+    // can not be supported.
+    if (!mDisplay->getExtensions().protectedContentEXT)
+    {
+        supportedExtensions.protectedTexturesEXT = false;
+    }
+
+    // GL_ANGLE_get_tex_level_parameter is implemented in the front-end
+    supportedExtensions.getTexLevelParameterANGLE = true;
+
+    // Always enabled. Will return a default string if capture is not enabled.
+    supportedExtensions.getSerializedContextStringANGLE = true;
+
+    // Performance counter queries are always supported. Different groups exist on each back-end.
+    supportedExtensions.performanceMonitorAMD = true;
+
+    // GL_ANDROID_extension_pack_es31a
+    supportedExtensions.extensionPackEs31aANDROID =
+        CanSupportAEP(getClientVersion(), supportedExtensions);
+
+    return supportedExtensions;
+}
+
+void Context::initCaps()
+{
+    mState.mCaps = mImplementation->getNativeCaps();
+
+    // TODO (http://anglebug.com/6010): mSupportedExtensions should not be modified here
+    mSupportedExtensions = generateSupportedExtensions();
+
+    if (!mDisplay->getFrontendFeatures().allowCompressedFormats.enabled)
+    {
+        INFO() << "Limiting compressed format support.\n";
+
+        mSupportedExtensions.compressedEACR11SignedTextureOES                = false;
+        mSupportedExtensions.compressedEACR11UnsignedTextureOES              = false;
+        mSupportedExtensions.compressedEACRG11SignedTextureOES               = false;
+        mSupportedExtensions.compressedEACRG11UnsignedTextureOES             = false;
+        mSupportedExtensions.compressedETC1RGB8SubTextureEXT                 = false;
+        mSupportedExtensions.compressedETC1RGB8TextureOES                    = false;
+        mSupportedExtensions.compressedETC2PunchthroughARGBA8TextureOES      = false;
+        mSupportedExtensions.compressedETC2PunchthroughASRGB8AlphaTextureOES = false;
+        mSupportedExtensions.compressedETC2RGB8TextureOES                    = false;
+        mSupportedExtensions.compressedETC2RGBA8TextureOES                   = false;
+        mSupportedExtensions.compressedETC2SRGB8Alpha8TextureOES             = false;
+        mSupportedExtensions.compressedETC2SRGB8TextureOES                   = false;
+        mSupportedExtensions.compressedTextureEtcANGLE                       = false;
+        mSupportedExtensions.textureCompressionPvrtcIMG                      = false;
+        mSupportedExtensions.pvrtcSRGBEXT                                    = false;
+        mSupportedExtensions.copyCompressedTextureCHROMIUM                   = false;
+        mSupportedExtensions.textureCompressionAstcHdrKHR                    = false;
+        mSupportedExtensions.textureCompressionAstcLdrKHR                    = false;
+        mSupportedExtensions.textureCompressionAstcOES                       = false;
+        mSupportedExtensions.textureCompressionBptcEXT                       = false;
+        mSupportedExtensions.textureCompressionDxt1EXT                       = false;
+        mSupportedExtensions.textureCompressionDxt3ANGLE                     = false;
+        mSupportedExtensions.textureCompressionDxt5ANGLE                     = false;
+        mSupportedExtensions.textureCompressionRgtcEXT                       = false;
+        mSupportedExtensions.textureCompressionS3tcSrgbEXT                   = false;
+        mSupportedExtensions.textureCompressionAstcSliced3dKHR               = false;
+        mSupportedExtensions.textureFilteringHintCHROMIUM                    = false;
+
+        mState.mCaps.compressedTextureFormats.clear();
+    }
+
+    mState.mExtensions = mSupportedExtensions;
+
+    mState.mLimitations = mImplementation->getNativeLimitations();
+
+    // GLES1 emulation: Initialize caps (Table 6.20 / 6.22 in the ES 1.1 spec)
+    if (getClientType() == EGL_OPENGL_API || getClientVersion() < Version(2, 0))
+    {
+        mState.mCaps.maxMultitextureUnits          = 4;
+        mState.mCaps.maxClipPlanes                 = 6;
+        mState.mCaps.maxLights                     = 8;
+        mState.mCaps.maxModelviewMatrixStackDepth  = Caps::GlobalMatrixStackDepth;
+        mState.mCaps.maxProjectionMatrixStackDepth = Caps::GlobalMatrixStackDepth;
+        mState.mCaps.maxTextureMatrixStackDepth    = Caps::GlobalMatrixStackDepth;
+        mState.mCaps.minSmoothPointSize            = 1.0f;
+        mState.mCaps.maxSmoothPointSize            = 1.0f;
+        mState.mCaps.minSmoothLineWidth            = 1.0f;
+        mState.mCaps.maxSmoothLineWidth            = 1.0f;
+    }
+
+    mState.mCaps.maxDebugMessageLength   = 1024;
+    mState.mCaps.maxDebugLoggedMessages  = 1024;
+    mState.mCaps.maxDebugGroupStackDepth = 1024;
+    mState.mCaps.maxLabelLength          = 1024;
+
+    if (getClientVersion() < Version(3, 0))
+    {
+        mState.mCaps.maxViews = 1u;
+    }
+
+#if 0
+// This logging can generate a lot of spam in test suites that create many contexts
+#    define ANGLE_LOG_LIMITED_CAP(cap, limit)                                               \
+        INFO() << "Limiting " << #cap << " to implementation limit " << (limit) << " (was " \
+               << (cap) << ")."
+#else
+#    define ANGLE_LOG_LIMITED_CAP(cap, limit)
+#endif
+
+#define ANGLE_LIMIT_CAP(cap, limit)            \
+    do                                         \
+    {                                          \
+        if ((cap) > (limit))                   \
+        {                                      \
+            ANGLE_LOG_LIMITED_CAP(cap, limit); \
+            (cap) = (limit);                   \
+        }                                      \
+    } while (0)
+
+    // Apply/Verify implementation limits
+    ANGLE_LIMIT_CAP(mState.mCaps.maxDrawBuffers, IMPLEMENTATION_MAX_DRAW_BUFFERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxColorAttachments, IMPLEMENTATION_MAX_DRAW_BUFFERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxVertexAttributes, MAX_VERTEX_ATTRIBS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxVertexAttribStride,
+                    static_cast<GLint>(limits::kMaxVertexAttribStride));
+
+    ASSERT(mState.mCaps.minAliasedPointSize >= 1.0f);
+
+    if (getClientVersion() < ES_3_1)
+    {
+        mState.mCaps.maxVertexAttribBindings = mState.mCaps.maxVertexAttributes;
+    }
+    else
+    {
+        ANGLE_LIMIT_CAP(mState.mCaps.maxVertexAttribBindings, MAX_VERTEX_ATTRIB_BINDINGS);
+    }
+
+    if (mWebGLContext && getLimitations().limitWebglMaxTextureSizeTo4096)
+    {
+        constexpr GLint kMaxTextureSize = 4096;
+        ANGLE_LIMIT_CAP(mState.mCaps.max2DTextureSize, kMaxTextureSize);
+        ANGLE_LIMIT_CAP(mState.mCaps.max3DTextureSize, kMaxTextureSize);
+        ANGLE_LIMIT_CAP(mState.mCaps.maxCubeMapTextureSize, kMaxTextureSize);
+        ANGLE_LIMIT_CAP(mState.mCaps.maxArrayTextureLayers, kMaxTextureSize);
+        ANGLE_LIMIT_CAP(mState.mCaps.maxRectangleTextureSize, kMaxTextureSize);
+    }
+
+    ANGLE_LIMIT_CAP(mState.mCaps.max2DTextureSize, IMPLEMENTATION_MAX_2D_TEXTURE_SIZE);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxCubeMapTextureSize, IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE);
+    ANGLE_LIMIT_CAP(mState.mCaps.max3DTextureSize, IMPLEMENTATION_MAX_3D_TEXTURE_SIZE);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxArrayTextureLayers, IMPLEMENTATION_MAX_2D_ARRAY_TEXTURE_LAYERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxRectangleTextureSize, IMPLEMENTATION_MAX_2D_TEXTURE_SIZE);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxShaderUniformBlocks[ShaderType::Vertex],
+                    IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxShaderUniformBlocks[ShaderType::Geometry],
+                    IMPLEMENTATION_MAX_GEOMETRY_SHADER_UNIFORM_BUFFERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxShaderUniformBlocks[ShaderType::Fragment],
+                    IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxShaderUniformBlocks[ShaderType::Compute],
+                    IMPLEMENTATION_MAX_COMPUTE_SHADER_UNIFORM_BUFFERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxCombinedUniformBlocks,
+                    IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxUniformBufferBindings,
+                    IMPLEMENTATION_MAX_UNIFORM_BUFFER_BINDINGS);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxVertexOutputComponents, IMPLEMENTATION_MAX_VARYING_VECTORS * 4);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxFragmentInputComponents,
+                    IMPLEMENTATION_MAX_VARYING_VECTORS * 4);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxTransformFeedbackInterleavedComponents,
+                    IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxTransformFeedbackSeparateAttributes,
+                    IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxTransformFeedbackSeparateComponents,
+                    IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS);
+
+    if (getClientVersion() < ES_3_2 && !mState.mExtensions.tessellationShaderEXT)
+    {
+        ANGLE_LIMIT_CAP(mState.mCaps.maxCombinedTextureImageUnits,
+                        IMPLEMENTATION_MAX_ES31_ACTIVE_TEXTURES);
+    }
+    else
+    {
+        ANGLE_LIMIT_CAP(mState.mCaps.maxCombinedTextureImageUnits,
+                        IMPLEMENTATION_MAX_ACTIVE_TEXTURES);
+    }
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        ANGLE_LIMIT_CAP(mState.mCaps.maxShaderTextureImageUnits[shaderType],
+                        IMPLEMENTATION_MAX_SHADER_TEXTURES);
+    }
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxImageUnits, IMPLEMENTATION_MAX_IMAGE_UNITS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxCombinedImageUniforms, IMPLEMENTATION_MAX_IMAGE_UNITS);
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        ANGLE_LIMIT_CAP(mState.mCaps.maxShaderImageUniforms[shaderType],
+                        IMPLEMENTATION_MAX_IMAGE_UNITS);
+    }
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        ANGLE_LIMIT_CAP(mState.mCaps.maxShaderAtomicCounterBuffers[shaderType],
+                        IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS);
+    }
+    ANGLE_LIMIT_CAP(mState.mCaps.maxAtomicCounterBufferBindings,
+                    IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxCombinedAtomicCounterBuffers,
+                    IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS);
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        ANGLE_LIMIT_CAP(mState.mCaps.maxShaderStorageBlocks[shaderType],
+                        IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS);
+    }
+    ANGLE_LIMIT_CAP(mState.mCaps.maxShaderStorageBufferBindings,
+                    IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxCombinedShaderStorageBlocks,
+                    IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxClipDistances, IMPLEMENTATION_MAX_CLIP_DISTANCES);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxFramebufferLayers, IMPLEMENTATION_MAX_FRAMEBUFFER_LAYERS);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxSampleMaskWords, IMPLEMENTATION_MAX_SAMPLE_MASK_WORDS);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxSamples, IMPLEMENTATION_MAX_SAMPLES);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxFramebufferSamples, IMPLEMENTATION_MAX_SAMPLES);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxColorTextureSamples, IMPLEMENTATION_MAX_SAMPLES);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxDepthTextureSamples, IMPLEMENTATION_MAX_SAMPLES);
+    ANGLE_LIMIT_CAP(mState.mCaps.maxIntegerSamples, IMPLEMENTATION_MAX_SAMPLES);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxViews, IMPLEMENTATION_ANGLE_MULTIVIEW_MAX_VIEWS);
+
+    ANGLE_LIMIT_CAP(mState.mCaps.maxDualSourceDrawBuffers,
+                    IMPLEMENTATION_MAX_DUAL_SOURCE_DRAW_BUFFERS);
+
+    // WebGL compatibility
+    mState.mExtensions.webglCompatibilityANGLE = mWebGLContext;
+    for (const auto &extensionInfo : GetExtensionInfoMap())
+    {
+        // If the user has requested that extensions start disabled and they are requestable,
+        // disable them.
+        if (!mExtensionsEnabled && extensionInfo.second.Requestable)
+        {
+            mState.mExtensions.*(extensionInfo.second.ExtensionsMember) = false;
+        }
+    }
+
+    // Hide emulated ETC1 extension from WebGL contexts.
+    if (mWebGLContext && getLimitations().emulatedEtc1)
+    {
+        mSupportedExtensions.compressedETC1RGB8SubTextureEXT = false;
+        mSupportedExtensions.compressedETC1RGB8TextureOES    = false;
+    }
+
+    if (getLimitations().emulatedAstc)
+    {
+        // Hide emulated ASTC extension from WebGL contexts.
+        if (mWebGLContext)
+        {
+            mSupportedExtensions.textureCompressionAstcLdrKHR = false;
+            mState.mExtensions.textureCompressionAstcLdrKHR   = false;
+        }
+#if !defined(ANGLE_HAS_ASTCENC)
+        // Don't expose emulated ASTC when it's not built.
+        mSupportedExtensions.textureCompressionAstcLdrKHR = false;
+        mState.mExtensions.textureCompressionAstcLdrKHR   = false;
+#endif
+    }
+
+    // If we're capturing application calls for replay, apply some feature limits to increase
+    // portability of the trace.
+    if (getShareGroup()->getFrameCaptureShared()->enabled() ||
+        getFrontendFeatures().enableCaptureLimits.enabled)
+    {
+        INFO() << "Limit some features because "
+               << (getShareGroup()->getFrameCaptureShared()->enabled()
+                       ? "FrameCapture is enabled"
+                       : "FrameCapture limits were forced")
+               << std::endl;
+
+        if (!getFrontendFeatures().enableProgramBinaryForCapture.enabled)
+        {
+            // Some apps insist on being able to use glProgramBinary. For those, we'll allow the
+            // extension to remain on. Otherwise, force the extension off.
+            INFO() << "Disabling GL_OES_get_program_binary for trace portability";
+            mDisplay->overrideFrontendFeatures({"disable_program_binary"}, true);
+        }
+
+        // Set to the most common limit per gpuinfo.org. Required for several platforms we test.
+        constexpr GLint maxImageUnits = 8;
+        INFO() << "Limiting image unit count to " << maxImageUnits;
+        ANGLE_LIMIT_CAP(mState.mCaps.maxImageUnits, maxImageUnits);
+        for (ShaderType shaderType : AllShaderTypes())
+        {
+            ANGLE_LIMIT_CAP(mState.mCaps.maxShaderImageUniforms[shaderType], maxImageUnits);
+        }
+
+        // Set a large uniform buffer offset alignment that works on multiple platforms.
+        // The offset used by the trace needs to be divisible by the device's actual value.
+        // Values seen during development: ARM (16), Intel (32), Qualcomm (128), Nvidia (256)
+        constexpr GLint uniformBufferOffsetAlignment = 256;
+        ASSERT(uniformBufferOffsetAlignment % mState.mCaps.uniformBufferOffsetAlignment == 0);
+        INFO() << "Setting uniform buffer offset alignment to " << uniformBufferOffsetAlignment;
+        mState.mCaps.uniformBufferOffsetAlignment = uniformBufferOffsetAlignment;
+
+        // Also limit texture buffer offset alignment, if enabled
+        if (mState.mExtensions.textureBufferAny())
+        {
+            constexpr GLint textureBufferOffsetAlignment =
+                gl::limits::kMinTextureBufferOffsetAlignment;
+            ASSERT(textureBufferOffsetAlignment % mState.mCaps.textureBufferOffsetAlignment == 0);
+            INFO() << "Setting texture buffer offset alignment to " << textureBufferOffsetAlignment;
+            mState.mCaps.textureBufferOffsetAlignment = textureBufferOffsetAlignment;
+        }
+
+        INFO() << "Disabling GL_EXT_map_buffer_range and GL_OES_mapbuffer during capture, which "
+                  "are not supported on some native drivers";
+        mState.mExtensions.mapBufferRangeEXT = false;
+        mState.mExtensions.mapbufferOES      = false;
+
+        INFO() << "Disabling GL_CHROMIUM_bind_uniform_location during capture, which is not "
+                  "supported on native drivers";
+        mState.mExtensions.bindUniformLocationCHROMIUM = false;
+
+        INFO() << "Disabling GL_NV_shader_noperspective_interpolation during capture, which is not "
+                  "supported on some native drivers";
+        mState.mExtensions.shaderNoperspectiveInterpolationNV = false;
+
+        INFO() << "Disabling GL_NV_framebuffer_blit during capture, which is not "
+                  "supported on some native drivers";
+        mState.mExtensions.framebufferBlitNV = false;
+
+        // NVIDIA's Vulkan driver only supports 4 draw buffers
+        constexpr GLint maxDrawBuffers = 4;
+        INFO() << "Limiting draw buffer count to " << maxDrawBuffers;
+        ANGLE_LIMIT_CAP(mState.mCaps.maxDrawBuffers, maxDrawBuffers);
+
+        // Unity based applications are sending down GL streams with undefined behavior.
+        // Disabling EGL_KHR_create_context_no_error (which enables a new EGL attrib) prevents that,
+        // but we don't have the infrastructure for disabling EGL extensions yet.
+        // Instead, disable GL_KHR_no_error (which disables exposing the GL extension), which
+        // prevents writing invalid calls to the capture.
+        INFO() << "Enabling validation to prevent invalid calls from being captured. This "
+                  "effectively disables GL_KHR_no_error and enables GL_ANGLE_robust_client_memory.";
+        mSkipValidation                            = false;
+        mState.mExtensions.noErrorKHR              = mSkipValidation;
+        mState.mExtensions.robustClientMemoryANGLE = !mSkipValidation;
+
+        INFO() << "Disabling GL_OES_depth32 during capture, which is not widely supported on "
+                  "mobile";
+        mState.mExtensions.depth32OES = false;
+
+        // Pixel 4 (Qualcomm) only supports 6 atomic counter buffer bindings.
+        constexpr GLint maxAtomicCounterBufferBindings = 6;
+        INFO() << "Limiting max atomic counter buffer bindings to "
+               << maxAtomicCounterBufferBindings;
+        ANGLE_LIMIT_CAP(mState.mCaps.maxAtomicCounterBufferBindings,
+                        maxAtomicCounterBufferBindings);
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            ANGLE_LIMIT_CAP(mState.mCaps.maxShaderAtomicCounterBuffers[shaderType],
+                            maxAtomicCounterBufferBindings);
+        }
+
+        // SwiftShader only supports 12 shader storage buffer bindings.
+        constexpr GLint maxShaderStorageBufferBindings = 12;
+        INFO() << "Limiting max shader storage buffer bindings to "
+               << maxShaderStorageBufferBindings;
+        ANGLE_LIMIT_CAP(mState.mCaps.maxShaderStorageBufferBindings,
+                        maxShaderStorageBufferBindings);
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            ANGLE_LIMIT_CAP(mState.mCaps.maxShaderStorageBlocks[shaderType],
+                            maxShaderStorageBufferBindings);
+        }
+
+        // Pixel 4 only supports GL_MAX_SAMPLES of 4
+        constexpr GLint maxSamples = 4;
+        INFO() << "Limiting GL_MAX_SAMPLES to " << maxSamples;
+        ANGLE_LIMIT_CAP(mState.mCaps.maxSamples, maxSamples);
+    }
+
+    // Disable support for OES_get_program_binary
+    if (mDisplay->getFrontendFeatures().disableProgramBinary.enabled)
+    {
+        mState.mExtensions.getProgramBinaryOES = false;
+        mState.mCaps.shaderBinaryFormats.clear();
+        mState.mCaps.programBinaryFormats.clear();
+        mMemoryProgramCache = nullptr;
+    }
+
+    if (mSupportedExtensions.shaderPixelLocalStorageANGLE)
+    {
+        int maxDrawableAttachments =
+            std::min(mState.mCaps.maxDrawBuffers, mState.mCaps.maxColorAttachments);
+        ShPixelLocalStorageType plsType = mImplementation->getNativePixelLocalStorageType();
+        if (ShPixelLocalStorageTypeUsesImages(plsType))
+        {
+            mState.mCaps.maxPixelLocalStoragePlanes =
+                mState.mCaps.maxShaderImageUniforms[ShaderType::Fragment];
+            ANGLE_LIMIT_CAP(mState.mCaps.maxPixelLocalStoragePlanes,
+                            IMPLEMENTATION_MAX_PIXEL_LOCAL_STORAGE_PLANES);
+            mState.mCaps.maxColorAttachmentsWithActivePixelLocalStorage =
+                mState.mCaps.maxColorAttachments;
+            mState.mCaps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes = std::min<GLint>(
+                mState.mCaps.maxPixelLocalStoragePlanes +
+                    std::min(mState.mCaps.maxDrawBuffers, mState.mCaps.maxColorAttachments),
+                mState.mCaps.maxCombinedShaderOutputResources);
+        }
+        else
+        {
+            ASSERT(plsType == ShPixelLocalStorageType::FramebufferFetch);
+            mState.mCaps.maxPixelLocalStoragePlanes = maxDrawableAttachments;
+            ANGLE_LIMIT_CAP(mState.mCaps.maxPixelLocalStoragePlanes,
+                            IMPLEMENTATION_MAX_PIXEL_LOCAL_STORAGE_PLANES);
+            if (!mSupportedExtensions.drawBuffersIndexedAny())
+            {
+                // When pixel local storage is implemented as framebuffer attachments, we need to
+                // disable color masks and blending to its attachments. If the backend context
+                // doesn't have indexed blend and color mask support, then we will have have to
+                // disable them globally. This also means the application can't have its own draw
+                // buffers while PLS is active.
+                mState.mCaps.maxColorAttachmentsWithActivePixelLocalStorage = 0;
+            }
+            else
+            {
+                mState.mCaps.maxColorAttachmentsWithActivePixelLocalStorage =
+                    maxDrawableAttachments - 1;
+            }
+            mState.mCaps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes = maxDrawableAttachments;
+        }
+    }
+
+#undef ANGLE_LIMIT_CAP
+#undef ANGLE_LOG_CAP_LIMIT
+
+    // Generate texture caps
+    updateCaps();
+}
+
+void Context::updateCaps()
+{
+    mState.mCaps.compressedTextureFormats.clear();
+    mState.mTextureCaps.clear();
+
+    for (GLenum sizedInternalFormat : GetAllSizedInternalFormats())
+    {
+        TextureCaps formatCaps = mImplementation->getNativeTextureCaps().get(sizedInternalFormat);
+        const InternalFormat &formatInfo = GetSizedInternalFormatInfo(sizedInternalFormat);
+
+        // Update the format caps based on the client version and extensions.
+        // Caps are AND'd with the renderer caps because some core formats are still unsupported in
+        // ES3.
+        formatCaps.texturable = formatCaps.texturable &&
+                                formatInfo.textureSupport(getClientVersion(), mState.mExtensions);
+        formatCaps.filterable = formatCaps.filterable &&
+                                formatInfo.filterSupport(getClientVersion(), mState.mExtensions);
+        formatCaps.textureAttachment =
+            formatCaps.textureAttachment &&
+            formatInfo.textureAttachmentSupport(getClientVersion(), mState.mExtensions);
+        formatCaps.renderbuffer =
+            formatCaps.renderbuffer &&
+            formatInfo.renderbufferSupport(getClientVersion(), mState.mExtensions);
+        formatCaps.blendable =
+            formatCaps.blendable && formatInfo.blendSupport(getClientVersion(), mState.mExtensions);
+
+        // OpenGL ES does not support multisampling with non-rendererable formats
+        // OpenGL ES 3.0 or prior does not support multisampling with integer formats
+        if (!formatCaps.renderbuffer ||
+            (getClientVersion() < ES_3_1 && !mState.mExtensions.textureMultisampleANGLE &&
+             formatInfo.isInt()))
+        {
+            formatCaps.sampleCounts.clear();
+        }
+        else
+        {
+            // We may have limited the max samples for some required renderbuffer formats due to
+            // non-conformant formats. In this case MAX_SAMPLES needs to be lowered accordingly.
+            GLuint formatMaxSamples = formatCaps.getMaxSamples();
+
+            // GLES 3.0.5 section 4.4.2.2: "Implementations must support creation of renderbuffers
+            // in these required formats with up to the value of MAX_SAMPLES multisamples, with the
+            // exception of signed and unsigned integer formats."
+            if (!formatInfo.isInt() && formatInfo.isRequiredRenderbufferFormat(getClientVersion()))
+            {
+                ASSERT(getClientVersion() < ES_3_0 || formatMaxSamples >= 4);
+                mState.mCaps.maxSamples =
+                    std::min(static_cast<GLuint>(mState.mCaps.maxSamples), formatMaxSamples);
+            }
+
+            // Handle GLES 3.1 MAX_*_SAMPLES values similarly to MAX_SAMPLES.
+            if (getClientVersion() >= ES_3_1 || mState.mExtensions.textureMultisampleANGLE)
+            {
+                // GLES 3.1 section 9.2.5: "Implementations must support creation of renderbuffers
+                // in these required formats with up to the value of MAX_SAMPLES multisamples, with
+                // the exception that the signed and unsigned integer formats are required only to
+                // support creation of renderbuffers with up to the value of MAX_INTEGER_SAMPLES
+                // multisamples, which must be at least one."
+                if (formatInfo.isInt())
+                {
+                    mState.mCaps.maxIntegerSamples = std::min(
+                        static_cast<GLuint>(mState.mCaps.maxIntegerSamples), formatMaxSamples);
+                }
+
+                // GLES 3.1 section 19.3.1.
+                if (formatCaps.texturable)
+                {
+                    if (formatInfo.depthBits > 0)
+                    {
+                        mState.mCaps.maxDepthTextureSamples =
+                            std::min(static_cast<GLuint>(mState.mCaps.maxDepthTextureSamples),
+                                     formatMaxSamples);
+                    }
+                    else if (formatInfo.redBits > 0)
+                    {
+                        mState.mCaps.maxColorTextureSamples =
+                            std::min(static_cast<GLuint>(mState.mCaps.maxColorTextureSamples),
+                                     formatMaxSamples);
+                    }
+                }
+            }
+        }
+
+        if (formatCaps.texturable && (formatInfo.compressed || formatInfo.paletted))
+        {
+            mState.mCaps.compressedTextureFormats.push_back(sizedInternalFormat);
+        }
+
+        mState.mTextureCaps.insert(sizedInternalFormat, formatCaps);
+    }
+
+    // If program binary is disabled, blank out the memory cache pointer.
+    if (!mSupportedExtensions.getProgramBinaryOES)
+    {
+        mMemoryProgramCache = nullptr;
+    }
+
+    // Compute which buffer types are allowed
+    mValidBufferBindings.reset();
+    mValidBufferBindings.set(BufferBinding::ElementArray);
+    mValidBufferBindings.set(BufferBinding::Array);
+
+    if (mState.mExtensions.pixelBufferObjectNV || getClientVersion() >= ES_3_0)
+    {
+        mValidBufferBindings.set(BufferBinding::PixelPack);
+        mValidBufferBindings.set(BufferBinding::PixelUnpack);
+    }
+
+    if (getClientVersion() >= ES_3_0)
+    {
+        mValidBufferBindings.set(BufferBinding::CopyRead);
+        mValidBufferBindings.set(BufferBinding::CopyWrite);
+        mValidBufferBindings.set(BufferBinding::TransformFeedback);
+        mValidBufferBindings.set(BufferBinding::Uniform);
+    }
+
+    if (getClientVersion() >= ES_3_1)
+    {
+        mValidBufferBindings.set(BufferBinding::AtomicCounter);
+        mValidBufferBindings.set(BufferBinding::ShaderStorage);
+        mValidBufferBindings.set(BufferBinding::DrawIndirect);
+        mValidBufferBindings.set(BufferBinding::DispatchIndirect);
+    }
+
+    if (getClientVersion() >= ES_3_2 || mState.mExtensions.textureBufferAny())
+    {
+        mValidBufferBindings.set(BufferBinding::Texture);
+    }
+
+    if (!mState.mExtensions.parallelShaderCompileKHR)
+    {
+        mSingleThreadPool = angle::WorkerThreadPool::Create(false);
+    }
+    mMultiThreadPool = angle::WorkerThreadPool::Create(
+        mState.mExtensions.parallelShaderCompileKHR ||
+        getFrontendFeatures().enableCompressingPipelineCacheInThreadPool.enabled);
+
+    // Reinitialize some dirty bits that depend on extensions.
+    if (mState.isRobustResourceInitEnabled())
+    {
+        mDrawDirtyObjects.set(State::DIRTY_OBJECT_DRAW_ATTACHMENTS);
+        mDrawDirtyObjects.set(State::DIRTY_OBJECT_TEXTURES_INIT);
+        mDrawDirtyObjects.set(State::DIRTY_OBJECT_IMAGES_INIT);
+        mBlitDirtyObjects.set(State::DIRTY_OBJECT_DRAW_ATTACHMENTS);
+        mBlitDirtyObjects.set(State::DIRTY_OBJECT_READ_ATTACHMENTS);
+        mComputeDirtyObjects.set(State::DIRTY_OBJECT_TEXTURES_INIT);
+        mComputeDirtyObjects.set(State::DIRTY_OBJECT_IMAGES_INIT);
+        mReadPixelsDirtyObjects.set(State::DIRTY_OBJECT_READ_ATTACHMENTS);
+        mCopyImageDirtyBits.set(State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
+        mCopyImageDirtyObjects.set(State::DIRTY_OBJECT_READ_ATTACHMENTS);
+    }
+
+    // We need to validate buffer bounds if we are in a WebGL or robust access context and the
+    // back-end does not support robust buffer access behaviour.
+    mBufferAccessValidationEnabled = (!mSupportedExtensions.robustBufferAccessBehaviorKHR &&
+                                      (mState.isWebGL() || mState.hasRobustAccess()));
+
+    // Cache this in the VertexArrays. They need to check it in state change notifications.
+    for (auto vaoIter : mVertexArrayMap)
+    {
+        VertexArray *vao = vaoIter.second;
+        vao->setBufferAccessValidationEnabled(mBufferAccessValidationEnabled);
+    }
+
+    // Reinitialize state cache after extension changes.
+    mStateCache.initialize(this);
+}
+
+bool Context::noopDrawInstanced(PrimitiveMode mode, GLsizei count, GLsizei instanceCount) const
+{
+    return (instanceCount == 0) || noopDraw(mode, count);
+}
+
+angle::Result Context::prepareForClear(GLbitfield mask)
+{
+    // Sync the draw framebuffer manually after the clear attachments.
+    ANGLE_TRY(mState.getDrawFramebuffer()->ensureClearAttachmentsInitialized(this, mask));
+    return syncStateForClear();
+}
+
+angle::Result Context::prepareForClearBuffer(GLenum buffer, GLint drawbuffer)
+{
+    // Sync the draw framebuffer manually after the clear attachments.
+    ANGLE_TRY(mState.getDrawFramebuffer()->ensureClearBufferAttachmentsInitialized(this, buffer,
+                                                                                   drawbuffer));
+    return syncStateForClear();
+}
+
+ANGLE_INLINE angle::Result Context::prepareForCopyImage()
+{
+    ANGLE_TRY(syncDirtyObjects(mCopyImageDirtyObjects, Command::CopyImage));
+    return syncDirtyBits(mCopyImageDirtyBits, Command::CopyImage);
+}
+
+ANGLE_INLINE angle::Result Context::prepareForDispatch()
+{
+    // Converting a PPO from graphics to compute requires re-linking it.
+    // The compute shader must have successfully linked before being included in the PPO, so no link
+    // errors that would have been caught during validation should be possible when re-linking the
+    // PPO with the compute shader.
+    Program *program          = mState.getProgram();
+    ProgramPipeline *pipeline = mState.getProgramPipeline();
+    if (!program && pipeline)
+    {
+        // Linking the PPO can't fail due to a validation error within the compute program,
+        // since it successfully linked already in order to become part of the PPO in the first
+        // place.
+        pipeline->resolveLink(this);
+        ANGLE_CHECK(this, pipeline->isLinked(), "Program pipeline link failed",
+                    GL_INVALID_OPERATION);
+    }
+
+    ANGLE_TRY(syncDirtyObjects(mComputeDirtyObjects, Command::Dispatch));
+    return syncDirtyBits(mComputeDirtyBits, Command::Dispatch);
+}
+
+angle::Result Context::prepareForInvalidate(GLenum target)
+{
+    // Only sync the FBO that's being invalidated.  Per the GLES3 spec, GL_FRAMEBUFFER is equivalent
+    // to GL_DRAW_FRAMEBUFFER for the purposes of invalidation.
+    GLenum effectiveTarget = target;
+    if (effectiveTarget == GL_FRAMEBUFFER)
+    {
+        effectiveTarget = GL_DRAW_FRAMEBUFFER;
+    }
+    ANGLE_TRY(mState.syncDirtyObject(this, effectiveTarget));
+    return syncDirtyBits(effectiveTarget == GL_READ_FRAMEBUFFER ? mReadInvalidateDirtyBits
+                                                                : mDrawInvalidateDirtyBits,
+                         Command::Invalidate);
+}
+
+angle::Result Context::syncState(const State::DirtyBits &bitMask,
+                                 const State::DirtyObjects &objectMask,
+                                 Command command)
+{
+    ANGLE_TRY(syncDirtyObjects(objectMask, command));
+    ANGLE_TRY(syncDirtyBits(bitMask, command));
+    return angle::Result::Continue;
+}
+
+void Context::blitFramebuffer(GLint srcX0,
+                              GLint srcY0,
+                              GLint srcX1,
+                              GLint srcY1,
+                              GLint dstX0,
+                              GLint dstY0,
+                              GLint dstX1,
+                              GLint dstY1,
+                              GLbitfield mask,
+                              GLenum filter)
+{
+    if (mask == 0)
+    {
+        // ES3.0 spec, section 4.3.2 specifies that a mask of zero is valid and no
+        // buffers are copied.
+        return;
+    }
+
+    Framebuffer *drawFramebuffer = mState.getDrawFramebuffer();
+    ASSERT(drawFramebuffer);
+
+    // Note that blitting is called against draw framebuffer.
+    // See the code in gl::Context::blitFramebuffer.
+    if ((mask & GL_COLOR_BUFFER_BIT) && !drawFramebuffer->hasEnabledDrawBuffer())
+    {
+        mask &= ~GL_COLOR_BUFFER_BIT;
+    }
+
+    if ((mask & GL_STENCIL_BUFFER_BIT) &&
+        drawFramebuffer->getState().getStencilAttachment() == nullptr)
+    {
+        mask &= ~GL_STENCIL_BUFFER_BIT;
+    }
+
+    if ((mask & GL_DEPTH_BUFFER_BIT) && drawFramebuffer->getState().getDepthAttachment() == nullptr)
+    {
+        mask &= ~GL_DEPTH_BUFFER_BIT;
+    }
+
+    // Early out if none of the specified attachments exist or are enabled.
+    if (mask == 0)
+    {
+        ANGLE_PERF_WARNING(mState.getDebug(), GL_DEBUG_SEVERITY_LOW,
+                           "BlitFramebuffer called for non-existing buffers");
+        return;
+    }
+
+    Rectangle srcArea(srcX0, srcY0, srcX1 - srcX0, srcY1 - srcY0);
+    Rectangle dstArea(dstX0, dstY0, dstX1 - dstX0, dstY1 - dstY0);
+
+    if (dstArea.width == 0 || dstArea.height == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(syncStateForBlit(mask));
+    ANGLE_CONTEXT_TRY(drawFramebuffer->blit(this, srcArea, dstArea, mask, filter));
+}
+
+void Context::blitFramebufferNV(GLint srcX0,
+                                GLint srcY0,
+                                GLint srcX1,
+                                GLint srcY1,
+                                GLint dstX0,
+                                GLint dstY0,
+                                GLint dstX1,
+                                GLint dstY1,
+                                GLbitfield mask,
+                                GLenum filter)
+{
+    blitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+}
+
+void Context::clear(GLbitfield mask)
+{
+    if (mState.isRasterizerDiscardEnabled())
+    {
+        return;
+    }
+
+    // Noop empty scissors.
+    if (IsEmptyScissor(mState))
+    {
+        return;
+    }
+
+    // Remove clear bits that are ineffective. An effective clear changes at least one fragment. If
+    // color/depth/stencil masks make the clear ineffective we skip it altogether.
+
+    // If all color channels in all draw buffers are masked, don't attempt to clear color.
+    if (mState.allActiveDrawBufferChannelsMasked())
+    {
+        mask &= ~GL_COLOR_BUFFER_BIT;
+    }
+
+    // If depth write is disabled, don't attempt to clear depth.
+    if (mState.getDrawFramebuffer()->getDepthAttachment() == nullptr ||
+        !mState.getDepthStencilState().depthMask)
+    {
+        mask &= ~GL_DEPTH_BUFFER_BIT;
+    }
+
+    // If all stencil bits are masked, don't attempt to clear stencil.
+    if (mState.getDrawFramebuffer()->getStencilAttachment() == nullptr ||
+        (angle::BitMask<uint32_t>(
+             mState.getDrawFramebuffer()->getStencilAttachment()->getStencilSize()) &
+         mState.getDepthStencilState().stencilWritemask) == 0)
+    {
+        mask &= ~GL_STENCIL_BUFFER_BIT;
+    }
+
+    if (mask == 0)
+    {
+        ANGLE_PERF_WARNING(mState.getDebug(), GL_DEBUG_SEVERITY_LOW,
+                           "Clear called for non-existing buffers");
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForClear(mask));
+    ANGLE_CONTEXT_TRY(mState.getDrawFramebuffer()->clear(this, mask));
+}
+
+bool Context::isClearBufferMaskedOut(GLenum buffer, GLint drawbuffer) const
+{
+    switch (buffer)
+    {
+        case GL_COLOR:
+            return IsColorMaskedOut(mState.getBlendStateExt(), drawbuffer);
+        case GL_DEPTH:
+            return mState.getDepthStencilState().isDepthMaskedOut();
+        case GL_STENCIL:
+            return mState.getDepthStencilState().isStencilMaskedOut();
+        case GL_DEPTH_STENCIL:
+            return mState.getDepthStencilState().isDepthMaskedOut() &&
+                   mState.getDepthStencilState().isStencilMaskedOut();
+        default:
+            UNREACHABLE();
+            return true;
+    }
+}
+
+bool Context::noopClearBuffer(GLenum buffer, GLint drawbuffer) const
+{
+    Framebuffer *framebufferObject = mState.getDrawFramebuffer();
+
+    return !IsClearBufferEnabled(framebufferObject->getState(), buffer, drawbuffer) ||
+           mState.isRasterizerDiscardEnabled() || isClearBufferMaskedOut(buffer, drawbuffer) ||
+           IsEmptyScissor(mState);
+}
+
+void Context::clearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat *values)
+{
+    if (noopClearBuffer(buffer, drawbuffer))
+    {
+        return;
+    }
+
+    Framebuffer *framebufferObject          = mState.getDrawFramebuffer();
+    const FramebufferAttachment *attachment = nullptr;
+    if (buffer == GL_DEPTH)
+    {
+        attachment = framebufferObject->getDepthAttachment();
+    }
+    else if (buffer == GL_COLOR &&
+             static_cast<size_t>(drawbuffer) < framebufferObject->getNumColorAttachments())
+    {
+        attachment = framebufferObject->getColorAttachment(drawbuffer);
+    }
+    // It's not an error to try to clear a non-existent buffer, but it's a no-op. We early out so
+    // that the backend doesn't need to take this case into account.
+    if (!attachment)
+    {
+        return;
+    }
+    ANGLE_CONTEXT_TRY(prepareForClearBuffer(buffer, drawbuffer));
+    ANGLE_CONTEXT_TRY(framebufferObject->clearBufferfv(this, buffer, drawbuffer, values));
+}
+
+void Context::clearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint *values)
+{
+    if (noopClearBuffer(buffer, drawbuffer))
+    {
+        return;
+    }
+
+    Framebuffer *framebufferObject          = mState.getDrawFramebuffer();
+    const FramebufferAttachment *attachment = nullptr;
+    if (buffer == GL_COLOR &&
+        static_cast<size_t>(drawbuffer) < framebufferObject->getNumColorAttachments())
+    {
+        attachment = framebufferObject->getColorAttachment(drawbuffer);
+    }
+    // It's not an error to try to clear a non-existent buffer, but it's a no-op. We early out so
+    // that the backend doesn't need to take this case into account.
+    if (!attachment)
+    {
+        return;
+    }
+    ANGLE_CONTEXT_TRY(prepareForClearBuffer(buffer, drawbuffer));
+    ANGLE_CONTEXT_TRY(framebufferObject->clearBufferuiv(this, buffer, drawbuffer, values));
+}
+
+void Context::clearBufferiv(GLenum buffer, GLint drawbuffer, const GLint *values)
+{
+    if (noopClearBuffer(buffer, drawbuffer))
+    {
+        return;
+    }
+
+    Framebuffer *framebufferObject          = mState.getDrawFramebuffer();
+    const FramebufferAttachment *attachment = nullptr;
+    if (buffer == GL_STENCIL)
+    {
+        attachment = framebufferObject->getStencilAttachment();
+    }
+    else if (buffer == GL_COLOR &&
+             static_cast<size_t>(drawbuffer) < framebufferObject->getNumColorAttachments())
+    {
+        attachment = framebufferObject->getColorAttachment(drawbuffer);
+    }
+    // It's not an error to try to clear a non-existent buffer, but it's a no-op. We early out so
+    // that the backend doesn't need to take this case into account.
+    if (!attachment)
+    {
+        return;
+    }
+    ANGLE_CONTEXT_TRY(prepareForClearBuffer(buffer, drawbuffer));
+    ANGLE_CONTEXT_TRY(framebufferObject->clearBufferiv(this, buffer, drawbuffer, values));
+}
+
+void Context::clearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil)
+{
+    if (noopClearBuffer(buffer, drawbuffer))
+    {
+        return;
+    }
+
+    Framebuffer *framebufferObject = mState.getDrawFramebuffer();
+    ASSERT(framebufferObject);
+
+    // If a buffer is not present, the clear has no effect
+    if (framebufferObject->getDepthAttachment() == nullptr &&
+        framebufferObject->getStencilAttachment() == nullptr)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForClearBuffer(buffer, drawbuffer));
+    ANGLE_CONTEXT_TRY(framebufferObject->clearBufferfi(this, buffer, drawbuffer, depth, stencil));
+}
+
+void Context::readPixels(GLint x,
+                         GLint y,
+                         GLsizei width,
+                         GLsizei height,
+                         GLenum format,
+                         GLenum type,
+                         void *pixels)
+{
+    if (width == 0 || height == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(syncStateForReadPixels());
+
+    Framebuffer *readFBO = mState.getReadFramebuffer();
+    ASSERT(readFBO);
+
+    Rectangle area(x, y, width, height);
+    PixelPackState packState = mState.getPackState();
+    Buffer *packBuffer       = mState.getTargetBuffer(gl::BufferBinding::PixelPack);
+    ANGLE_CONTEXT_TRY(readFBO->readPixels(this, area, format, type, packState, packBuffer, pixels));
+}
+
+void Context::readPixelsRobust(GLint x,
+                               GLint y,
+                               GLsizei width,
+                               GLsizei height,
+                               GLenum format,
+                               GLenum type,
+                               GLsizei bufSize,
+                               GLsizei *length,
+                               GLsizei *columns,
+                               GLsizei *rows,
+                               void *pixels)
+{
+    readPixels(x, y, width, height, format, type, pixels);
+}
+
+void Context::readnPixelsRobust(GLint x,
+                                GLint y,
+                                GLsizei width,
+                                GLsizei height,
+                                GLenum format,
+                                GLenum type,
+                                GLsizei bufSize,
+                                GLsizei *length,
+                                GLsizei *columns,
+                                GLsizei *rows,
+                                void *data)
+{
+    readPixels(x, y, width, height, format, type, data);
+}
+
+void Context::copyTexImage2D(TextureTarget target,
+                             GLint level,
+                             GLenum internalformat,
+                             GLint x,
+                             GLint y,
+                             GLsizei width,
+                             GLsizei height,
+                             GLint border)
+{
+    ANGLE_CONTEXT_TRY(prepareForCopyImage());
+
+    Rectangle sourceArea(x, y, width, height);
+
+    Framebuffer *framebuffer = mState.getReadFramebuffer();
+    Texture *texture         = getTextureByTarget(target);
+    ANGLE_CONTEXT_TRY(
+        texture->copyImage(this, target, level, sourceArea, internalformat, framebuffer));
+}
+
+void Context::copyTexSubImage2D(TextureTarget target,
+                                GLint level,
+                                GLint xoffset,
+                                GLint yoffset,
+                                GLint x,
+                                GLint y,
+                                GLsizei width,
+                                GLsizei height)
+{
+    if (width == 0 || height == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForCopyImage());
+
+    Offset destOffset(xoffset, yoffset, 0);
+    Rectangle sourceArea(x, y, width, height);
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, 1);
+
+    Framebuffer *framebuffer = mState.getReadFramebuffer();
+    Texture *texture         = getTextureByTarget(target);
+    ANGLE_CONTEXT_TRY(texture->copySubImage(this, index, destOffset, sourceArea, framebuffer));
+}
+
+void Context::copyTexSubImage3D(TextureTarget target,
+                                GLint level,
+                                GLint xoffset,
+                                GLint yoffset,
+                                GLint zoffset,
+                                GLint x,
+                                GLint y,
+                                GLsizei width,
+                                GLsizei height)
+{
+    if (width == 0 || height == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForCopyImage());
+
+    Offset destOffset(xoffset, yoffset, zoffset);
+    Rectangle sourceArea(x, y, width, height);
+
+    ImageIndex index = ImageIndex::MakeFromType(TextureTargetToType(target), level, zoffset);
+
+    Framebuffer *framebuffer = mState.getReadFramebuffer();
+    Texture *texture         = getTextureByTarget(target);
+    ANGLE_CONTEXT_TRY(texture->copySubImage(this, index, destOffset, sourceArea, framebuffer));
+}
+
+void Context::copyImageSubData(GLuint srcName,
+                               GLenum srcTarget,
+                               GLint srcLevel,
+                               GLint srcX,
+                               GLint srcY,
+                               GLint srcZ,
+                               GLuint dstName,
+                               GLenum dstTarget,
+                               GLint dstLevel,
+                               GLint dstX,
+                               GLint dstY,
+                               GLint dstZ,
+                               GLsizei srcWidth,
+                               GLsizei srcHeight,
+                               GLsizei srcDepth)
+{
+    // if copy region is zero, the copy is a successful no-op
+    if ((srcWidth == 0) || (srcHeight == 0) || (srcDepth == 0))
+    {
+        return;
+    }
+
+    if (srcTarget == GL_RENDERBUFFER)
+    {
+        // Source target is a Renderbuffer
+        Renderbuffer *readBuffer = getRenderbuffer(PackParam<RenderbufferID>(srcName));
+        if (dstTarget == GL_RENDERBUFFER)
+        {
+            // Destination target is a Renderbuffer
+            Renderbuffer *writeBuffer = getRenderbuffer(PackParam<RenderbufferID>(dstName));
+
+            // Copy Renderbuffer to Renderbuffer
+            ANGLE_CONTEXT_TRY(writeBuffer->copyRenderbufferSubData(
+                this, readBuffer, srcLevel, srcX, srcY, srcZ, dstLevel, dstX, dstY, dstZ, srcWidth,
+                srcHeight, srcDepth));
+        }
+        else
+        {
+            // Destination target is a Texture
+            ASSERT(dstTarget == GL_TEXTURE_2D || dstTarget == GL_TEXTURE_2D_ARRAY ||
+                   dstTarget == GL_TEXTURE_3D || dstTarget == GL_TEXTURE_CUBE_MAP);
+
+            Texture *writeTexture = getTexture(PackParam<TextureID>(dstName));
+            ANGLE_CONTEXT_TRY(syncTextureForCopy(writeTexture));
+
+            // Copy Renderbuffer to Texture
+            ANGLE_CONTEXT_TRY(writeTexture->copyRenderbufferSubData(
+                this, readBuffer, srcLevel, srcX, srcY, srcZ, dstLevel, dstX, dstY, dstZ, srcWidth,
+                srcHeight, srcDepth));
+        }
+    }
+    else
+    {
+        // Source target is a Texture
+        ASSERT(srcTarget == GL_TEXTURE_2D || srcTarget == GL_TEXTURE_2D_ARRAY ||
+               srcTarget == GL_TEXTURE_3D || srcTarget == GL_TEXTURE_CUBE_MAP);
+
+        Texture *readTexture = getTexture(PackParam<TextureID>(srcName));
+        ANGLE_CONTEXT_TRY(syncTextureForCopy(readTexture));
+
+        if (dstTarget == GL_RENDERBUFFER)
+        {
+            // Destination target is a Renderbuffer
+            Renderbuffer *writeBuffer = getRenderbuffer(PackParam<RenderbufferID>(dstName));
+
+            // Copy Texture to Renderbuffer
+            ANGLE_CONTEXT_TRY(writeBuffer->copyTextureSubData(this, readTexture, srcLevel, srcX,
+                                                              srcY, srcZ, dstLevel, dstX, dstY,
+                                                              dstZ, srcWidth, srcHeight, srcDepth));
+        }
+        else
+        {
+            // Destination target is a Texture
+            ASSERT(dstTarget == GL_TEXTURE_2D || dstTarget == GL_TEXTURE_2D_ARRAY ||
+                   dstTarget == GL_TEXTURE_3D || dstTarget == GL_TEXTURE_CUBE_MAP);
+
+            Texture *writeTexture = getTexture(PackParam<TextureID>(dstName));
+            ANGLE_CONTEXT_TRY(syncTextureForCopy(writeTexture));
+
+            // Copy Texture to Texture
+            ANGLE_CONTEXT_TRY(writeTexture->copyTextureSubData(
+                this, readTexture, srcLevel, srcX, srcY, srcZ, dstLevel, dstX, dstY, dstZ, srcWidth,
+                srcHeight, srcDepth));
+        }
+    }
+}
+
+void Context::framebufferTexture2D(GLenum target,
+                                   GLenum attachment,
+                                   TextureTarget textarget,
+                                   TextureID texture,
+                                   GLint level)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (texture.value != 0)
+    {
+        Texture *textureObj = getTexture(texture);
+        ImageIndex index    = ImageIndex::MakeFromTarget(textarget, level, 1);
+        framebuffer->setAttachment(this, GL_TEXTURE, attachment, index, textureObj);
+    }
+    else
+    {
+        framebuffer->resetAttachment(this, attachment);
+    }
+
+    mState.setObjectDirty(target);
+}
+
+void Context::framebufferTexture3D(GLenum target,
+                                   GLenum attachment,
+                                   TextureTarget textargetPacked,
+                                   TextureID texture,
+                                   GLint level,
+                                   GLint zoffset)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (texture.value != 0)
+    {
+        Texture *textureObj = getTexture(texture);
+        ImageIndex index    = ImageIndex::Make3D(level, zoffset);
+        framebuffer->setAttachment(this, GL_TEXTURE, attachment, index, textureObj);
+    }
+    else
+    {
+        framebuffer->resetAttachment(this, attachment);
+    }
+
+    mState.setObjectDirty(target);
+}
+
+void Context::framebufferRenderbuffer(GLenum target,
+                                      GLenum attachment,
+                                      GLenum renderbuffertarget,
+                                      RenderbufferID renderbuffer)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (renderbuffer.value != 0)
+    {
+        Renderbuffer *renderbufferObject = getRenderbuffer(renderbuffer);
+        GLsizei rbSamples                = renderbufferObject->getState().getSamples();
+
+        framebuffer->setAttachmentMultisample(this, GL_RENDERBUFFER, attachment, gl::ImageIndex(),
+                                              renderbufferObject, rbSamples);
+    }
+    else
+    {
+        framebuffer->resetAttachment(this, attachment);
+    }
+
+    mState.setObjectDirty(target);
+}
+
+void Context::framebufferTextureLayer(GLenum target,
+                                      GLenum attachment,
+                                      TextureID texture,
+                                      GLint level,
+                                      GLint layer)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (texture.value != 0)
+    {
+        Texture *textureObject = getTexture(texture);
+        ImageIndex index       = ImageIndex::MakeFromType(textureObject->getType(), level, layer);
+        framebuffer->setAttachment(this, GL_TEXTURE, attachment, index, textureObject);
+    }
+    else
+    {
+        framebuffer->resetAttachment(this, attachment);
+    }
+
+    mState.setObjectDirty(target);
+}
+
+void Context::framebufferTextureMultiview(GLenum target,
+                                          GLenum attachment,
+                                          TextureID texture,
+                                          GLint level,
+                                          GLint baseViewIndex,
+                                          GLsizei numViews)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (texture.value != 0)
+    {
+        Texture *textureObj = getTexture(texture);
+
+        ImageIndex index;
+        if (textureObj->getType() == TextureType::_2DArray)
+        {
+            index = ImageIndex::Make2DArrayRange(level, baseViewIndex, numViews);
+        }
+        else
+        {
+            ASSERT(textureObj->getType() == TextureType::_2DMultisampleArray);
+            ASSERT(level == 0);
+            index = ImageIndex::Make2DMultisampleArrayRange(baseViewIndex, numViews);
+        }
+        framebuffer->setAttachmentMultiview(this, GL_TEXTURE, attachment, index, textureObj,
+                                            numViews, baseViewIndex);
+    }
+    else
+    {
+        framebuffer->resetAttachment(this, attachment);
+    }
+
+    mState.setObjectDirty(target);
+}
+
+void Context::framebufferTexture(GLenum target, GLenum attachment, TextureID texture, GLint level)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (texture.value != 0)
+    {
+        Texture *textureObj = getTexture(texture);
+
+        ImageIndex index = ImageIndex::MakeFromType(
+            textureObj->getType(), level, ImageIndex::kEntireLevel, ImageIndex::kEntireLevel);
+        framebuffer->setAttachment(this, GL_TEXTURE, attachment, index, textureObj);
+    }
+    else
+    {
+        framebuffer->resetAttachment(this, attachment);
+    }
+
+    mState.setObjectDirty(target);
+}
+
+void Context::drawBuffers(GLsizei n, const GLenum *bufs)
+{
+    Framebuffer *framebuffer = mState.getDrawFramebuffer();
+    ASSERT(framebuffer);
+    framebuffer->setDrawBuffers(n, bufs);
+    mState.setDrawFramebufferDirty();
+    mStateCache.onDrawFramebufferChange(this);
+}
+
+void Context::readBuffer(GLenum mode)
+{
+    Framebuffer *readFBO = mState.getReadFramebuffer();
+    readFBO->setReadBuffer(mode);
+    mState.setObjectDirty(GL_READ_FRAMEBUFFER);
+}
+
+void Context::discardFramebuffer(GLenum target, GLsizei numAttachments, const GLenum *attachments)
+{
+    // The specification isn't clear what should be done when the framebuffer isn't complete.
+    // We threat it the same way as GLES3 glInvalidateFramebuffer.
+    invalidateFramebuffer(target, numAttachments, attachments);
+}
+
+void Context::invalidateFramebuffer(GLenum target,
+                                    GLsizei numAttachments,
+                                    const GLenum *attachments)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    // No-op incomplete FBOs.
+    if (!framebuffer->isComplete(this))
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForInvalidate(target));
+    ANGLE_CONTEXT_TRY(framebuffer->invalidate(this, numAttachments, attachments));
+}
+
+void Context::invalidateSubFramebuffer(GLenum target,
+                                       GLsizei numAttachments,
+                                       const GLenum *attachments,
+                                       GLint x,
+                                       GLint y,
+                                       GLsizei width,
+                                       GLsizei height)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (!framebuffer->isComplete(this))
+    {
+        return;
+    }
+
+    Rectangle area(x, y, width, height);
+    ANGLE_CONTEXT_TRY(prepareForInvalidate(target));
+    ANGLE_CONTEXT_TRY(framebuffer->invalidateSub(this, numAttachments, attachments, area));
+}
+
+void Context::texImage2D(TextureTarget target,
+                         GLint level,
+                         GLint internalformat,
+                         GLsizei width,
+                         GLsizei height,
+                         GLint border,
+                         GLenum format,
+                         GLenum type,
+                         const void *pixels)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    gl::Buffer *unpackBuffer = mState.getTargetBuffer(gl::BufferBinding::PixelUnpack);
+
+    Extents size(width, height, 1);
+    Texture *texture = getTextureByTarget(target);
+    ANGLE_CONTEXT_TRY(texture->setImage(this, mState.getUnpackState(), unpackBuffer, target, level,
+                                        internalformat, size, format, type,
+                                        static_cast<const uint8_t *>(pixels)));
+}
+
+void Context::texImage2DRobust(TextureTarget target,
+                               GLint level,
+                               GLint internalformat,
+                               GLsizei width,
+                               GLsizei height,
+                               GLint border,
+                               GLenum format,
+                               GLenum type,
+                               GLsizei bufSize,
+                               const void *pixels)
+{
+    texImage2D(target, level, internalformat, width, height, border, format, type, pixels);
+}
+
+void Context::texImage3D(TextureTarget target,
+                         GLint level,
+                         GLint internalformat,
+                         GLsizei width,
+                         GLsizei height,
+                         GLsizei depth,
+                         GLint border,
+                         GLenum format,
+                         GLenum type,
+                         const void *pixels)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    gl::Buffer *unpackBuffer = mState.getTargetBuffer(gl::BufferBinding::PixelUnpack);
+
+    Extents size(width, height, depth);
+    Texture *texture = getTextureByTarget(target);
+    ANGLE_CONTEXT_TRY(texture->setImage(this, mState.getUnpackState(), unpackBuffer, target, level,
+                                        internalformat, size, format, type,
+                                        static_cast<const uint8_t *>(pixels)));
+}
+
+void Context::texImage3DRobust(TextureTarget target,
+                               GLint level,
+                               GLint internalformat,
+                               GLsizei width,
+                               GLsizei height,
+                               GLsizei depth,
+                               GLint border,
+                               GLenum format,
+                               GLenum type,
+                               GLsizei bufSize,
+                               const void *pixels)
+{
+    texImage3D(target, level, internalformat, width, height, depth, border, format, type, pixels);
+}
+
+void Context::texSubImage2D(TextureTarget target,
+                            GLint level,
+                            GLint xoffset,
+                            GLint yoffset,
+                            GLsizei width,
+                            GLsizei height,
+                            GLenum format,
+                            GLenum type,
+                            const void *pixels)
+{
+    // Zero sized uploads are valid but no-ops
+    if (width == 0 || height == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Box area(xoffset, yoffset, 0, width, height, 1);
+    Texture *texture = getTextureByTarget(target);
+
+    gl::Buffer *unpackBuffer = mState.getTargetBuffer(gl::BufferBinding::PixelUnpack);
+
+    ANGLE_CONTEXT_TRY(texture->setSubImage(this, mState.getUnpackState(), unpackBuffer, target,
+                                           level, area, format, type,
+                                           static_cast<const uint8_t *>(pixels)));
+}
+
+void Context::texSubImage2DRobust(TextureTarget target,
+                                  GLint level,
+                                  GLint xoffset,
+                                  GLint yoffset,
+                                  GLsizei width,
+                                  GLsizei height,
+                                  GLenum format,
+                                  GLenum type,
+                                  GLsizei bufSize,
+                                  const void *pixels)
+{
+    texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
+}
+
+void Context::texSubImage3D(TextureTarget target,
+                            GLint level,
+                            GLint xoffset,
+                            GLint yoffset,
+                            GLint zoffset,
+                            GLsizei width,
+                            GLsizei height,
+                            GLsizei depth,
+                            GLenum format,
+                            GLenum type,
+                            const void *pixels)
+{
+    // Zero sized uploads are valid but no-ops
+    if (width == 0 || height == 0 || depth == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Box area(xoffset, yoffset, zoffset, width, height, depth);
+    Texture *texture = getTextureByTarget(target);
+
+    gl::Buffer *unpackBuffer = mState.getTargetBuffer(gl::BufferBinding::PixelUnpack);
+
+    ANGLE_CONTEXT_TRY(texture->setSubImage(this, mState.getUnpackState(), unpackBuffer, target,
+                                           level, area, format, type,
+                                           static_cast<const uint8_t *>(pixels)));
+}
+
+void Context::texSubImage3DRobust(TextureTarget target,
+                                  GLint level,
+                                  GLint xoffset,
+                                  GLint yoffset,
+                                  GLint zoffset,
+                                  GLsizei width,
+                                  GLsizei height,
+                                  GLsizei depth,
+                                  GLenum format,
+                                  GLenum type,
+                                  GLsizei bufSize,
+                                  const void *pixels)
+{
+    texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type,
+                  pixels);
+}
+
+void Context::compressedTexImage2D(TextureTarget target,
+                                   GLint level,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLint border,
+                                   GLsizei imageSize,
+                                   const void *data)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Extents size(width, height, 1);
+    Texture *texture = getTextureByTarget(target);
+    // From OpenGL ES 3 spec: All pixel storage modes are ignored when decoding a compressed texture
+    // image. So we use an empty PixelUnpackState.
+    ANGLE_CONTEXT_TRY(texture->setCompressedImage(this, PixelUnpackState(), target, level,
+                                                  internalformat, size, imageSize,
+                                                  static_cast<const uint8_t *>(data)));
+}
+
+void Context::compressedTexImage2DRobust(TextureTarget target,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLint border,
+                                         GLsizei imageSize,
+                                         GLsizei dataSize,
+                                         const GLvoid *data)
+{
+    compressedTexImage2D(target, level, internalformat, width, height, border, imageSize, data);
+}
+
+void Context::compressedTexImage3D(TextureTarget target,
+                                   GLint level,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth,
+                                   GLint border,
+                                   GLsizei imageSize,
+                                   const void *data)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Extents size(width, height, depth);
+    Texture *texture = getTextureByTarget(target);
+    // From OpenGL ES 3 spec: All pixel storage modes are ignored when decoding a compressed texture
+    // image. So we use an empty PixelUnpackState.
+    ANGLE_CONTEXT_TRY(texture->setCompressedImage(this, PixelUnpackState(), target, level,
+                                                  internalformat, size, imageSize,
+                                                  static_cast<const uint8_t *>(data)));
+}
+
+void Context::compressedTexImage3DRobust(TextureTarget target,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLint border,
+                                         GLsizei imageSize,
+                                         GLsizei dataSize,
+                                         const GLvoid *data)
+{
+    compressedTexImage3D(target, level, internalformat, width, height, depth, border, imageSize,
+                         data);
+}
+
+void Context::compressedTexSubImage2D(TextureTarget target,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLint yoffset,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLenum format,
+                                      GLsizei imageSize,
+                                      const void *data)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Box area(xoffset, yoffset, 0, width, height, 1);
+    Texture *texture = getTextureByTarget(target);
+    // From OpenGL ES 3 spec: All pixel storage modes are ignored when decoding a compressed texture
+    // image. So we use an empty PixelUnpackState.
+    ANGLE_CONTEXT_TRY(texture->setCompressedSubImage(this, PixelUnpackState(), target, level, area,
+                                                     format, imageSize,
+                                                     static_cast<const uint8_t *>(data)));
+}
+
+void Context::compressedTexSubImage2DRobust(TextureTarget target,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLenum format,
+                                            GLsizei imageSize,
+                                            GLsizei dataSize,
+                                            const GLvoid *data)
+{
+    compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize,
+                            data);
+}
+
+void Context::compressedTexSubImage3D(TextureTarget target,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLint yoffset,
+                                      GLint zoffset,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLsizei depth,
+                                      GLenum format,
+                                      GLsizei imageSize,
+                                      const void *data)
+{
+    // Zero sized uploads are valid but no-ops
+    if (width == 0 || height == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Box area(xoffset, yoffset, zoffset, width, height, depth);
+    Texture *texture = getTextureByTarget(target);
+    // From OpenGL ES 3 spec: All pixel storage modes are ignored when decoding a compressed texture
+    // image. So we use an empty PixelUnpackState.
+    ANGLE_CONTEXT_TRY(texture->setCompressedSubImage(this, PixelUnpackState(), target, level, area,
+                                                     format, imageSize,
+                                                     static_cast<const uint8_t *>(data)));
+}
+
+void Context::compressedTexSubImage3DRobust(TextureTarget target,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLint zoffset,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLsizei depth,
+                                            GLenum format,
+                                            GLsizei imageSize,
+                                            GLsizei dataSize,
+                                            const GLvoid *data)
+{
+    compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format,
+                            imageSize, data);
+}
+
+void Context::generateMipmap(TextureType target)
+{
+    Texture *texture = getTextureByType(target);
+    ANGLE_CONTEXT_TRY(texture->generateMipmap(this));
+}
+
+void Context::copyTexture(TextureID sourceId,
+                          GLint sourceLevel,
+                          TextureTarget destTarget,
+                          TextureID destId,
+                          GLint destLevel,
+                          GLint internalFormat,
+                          GLenum destType,
+                          GLboolean unpackFlipY,
+                          GLboolean unpackPremultiplyAlpha,
+                          GLboolean unpackUnmultiplyAlpha)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    gl::Texture *sourceTexture = getTexture(sourceId);
+    gl::Texture *destTexture   = getTexture(destId);
+    ANGLE_CONTEXT_TRY(
+        destTexture->copyTexture(this, destTarget, destLevel, internalFormat, destType, sourceLevel,
+                                 ConvertToBool(unpackFlipY), ConvertToBool(unpackPremultiplyAlpha),
+                                 ConvertToBool(unpackUnmultiplyAlpha), sourceTexture));
+}
+
+void Context::copySubTexture(TextureID sourceId,
+                             GLint sourceLevel,
+                             TextureTarget destTarget,
+                             TextureID destId,
+                             GLint destLevel,
+                             GLint xoffset,
+                             GLint yoffset,
+                             GLint x,
+                             GLint y,
+                             GLsizei width,
+                             GLsizei height,
+                             GLboolean unpackFlipY,
+                             GLboolean unpackPremultiplyAlpha,
+                             GLboolean unpackUnmultiplyAlpha)
+{
+    // Zero sized copies are valid but no-ops
+    if (width == 0 || height == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    gl::Texture *sourceTexture = getTexture(sourceId);
+    gl::Texture *destTexture   = getTexture(destId);
+    Offset offset(xoffset, yoffset, 0);
+    Box box(x, y, 0, width, height, 1);
+    ANGLE_CONTEXT_TRY(destTexture->copySubTexture(
+        this, destTarget, destLevel, offset, sourceLevel, box, ConvertToBool(unpackFlipY),
+        ConvertToBool(unpackPremultiplyAlpha), ConvertToBool(unpackUnmultiplyAlpha),
+        sourceTexture));
+}
+
+void Context::copyTexture3D(TextureID sourceId,
+                            GLint sourceLevel,
+                            TextureTarget destTarget,
+                            TextureID destId,
+                            GLint destLevel,
+                            GLint internalFormat,
+                            GLenum destType,
+                            GLboolean unpackFlipY,
+                            GLboolean unpackPremultiplyAlpha,
+                            GLboolean unpackUnmultiplyAlpha)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Texture *sourceTexture = getTexture(sourceId);
+    Texture *destTexture   = getTexture(destId);
+    ANGLE_CONTEXT_TRY(
+        destTexture->copyTexture(this, destTarget, destLevel, internalFormat, destType, sourceLevel,
+                                 ConvertToBool(unpackFlipY), ConvertToBool(unpackPremultiplyAlpha),
+                                 ConvertToBool(unpackUnmultiplyAlpha), sourceTexture));
+}
+
+void Context::copySubTexture3D(TextureID sourceId,
+                               GLint sourceLevel,
+                               TextureTarget destTarget,
+                               TextureID destId,
+                               GLint destLevel,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint zoffset,
+                               GLint x,
+                               GLint y,
+                               GLint z,
+                               GLsizei width,
+                               GLsizei height,
+                               GLsizei depth,
+                               GLboolean unpackFlipY,
+                               GLboolean unpackPremultiplyAlpha,
+                               GLboolean unpackUnmultiplyAlpha)
+{
+    // Zero sized copies are valid but no-ops
+    if (width == 0 || height == 0 || depth == 0)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    Texture *sourceTexture = getTexture(sourceId);
+    Texture *destTexture   = getTexture(destId);
+    Offset offset(xoffset, yoffset, zoffset);
+    Box box(x, y, z, width, height, depth);
+    ANGLE_CONTEXT_TRY(destTexture->copySubTexture(
+        this, destTarget, destLevel, offset, sourceLevel, box, ConvertToBool(unpackFlipY),
+        ConvertToBool(unpackPremultiplyAlpha), ConvertToBool(unpackUnmultiplyAlpha),
+        sourceTexture));
+}
+
+void Context::compressedCopyTexture(TextureID sourceId, TextureID destId)
+{
+    ANGLE_CONTEXT_TRY(syncStateForTexImage());
+
+    gl::Texture *sourceTexture = getTexture(sourceId);
+    gl::Texture *destTexture   = getTexture(destId);
+    ANGLE_CONTEXT_TRY(destTexture->copyCompressedTexture(this, sourceTexture));
+}
+
+void Context::getBufferPointerv(BufferBinding target, GLenum pname, void **params)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+
+    QueryBufferPointerv(buffer, pname, params);
+}
+
+void Context::getBufferPointervRobust(BufferBinding target,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      GLsizei *length,
+                                      void **params)
+{
+    getBufferPointerv(target, pname, params);
+}
+
+void *Context::mapBuffer(BufferBinding target, GLenum access)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+
+    if (buffer->map(this, access) == angle::Result::Stop)
+    {
+        return nullptr;
+    }
+
+    return buffer->getMapPointer();
+}
+
+GLboolean Context::unmapBuffer(BufferBinding target)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+
+    GLboolean result;
+    if (buffer->unmap(this, &result) == angle::Result::Stop)
+    {
+        return GL_FALSE;
+    }
+
+    return result;
+}
+
+void *Context::mapBufferRange(BufferBinding target,
+                              GLintptr offset,
+                              GLsizeiptr length,
+                              GLbitfield access)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+
+    if (buffer->mapRange(this, offset, length, access) == angle::Result::Stop)
+    {
+        return nullptr;
+    }
+
+    return buffer->getMapPointer();
+}
+
+void Context::flushMappedBufferRange(BufferBinding /*target*/,
+                                     GLintptr /*offset*/,
+                                     GLsizeiptr /*length*/)
+{
+    // We do not currently support a non-trivial implementation of FlushMappedBufferRange
+}
+
+angle::Result Context::syncStateForReadPixels()
+{
+    return syncState(mReadPixelsDirtyBits, mReadPixelsDirtyObjects, Command::ReadPixels);
+}
+
+angle::Result Context::syncStateForTexImage()
+{
+    return syncState(mTexImageDirtyBits, mTexImageDirtyObjects, Command::TexImage);
+}
+
+angle::Result Context::syncStateForBlit(GLbitfield mask)
+{
+    uint32_t commandMask = 0;
+    if ((mask & GL_COLOR_BUFFER_BIT) != 0)
+    {
+        commandMask |= CommandBlitBufferColor;
+    }
+    if ((mask & GL_DEPTH_BUFFER_BIT) != 0)
+    {
+        commandMask |= CommandBlitBufferDepth;
+    }
+    if ((mask & GL_STENCIL_BUFFER_BIT) != 0)
+    {
+        commandMask |= CommandBlitBufferStencil;
+    }
+
+    Command command = static_cast<Command>(static_cast<uint32_t>(Command::Blit) + commandMask);
+
+    return syncState(mBlitDirtyBits, mBlitDirtyObjects, command);
+}
+
+angle::Result Context::syncStateForClear()
+{
+    return syncState(mClearDirtyBits, mClearDirtyObjects, Command::Clear);
+}
+
+angle::Result Context::syncTextureForCopy(Texture *texture)
+{
+    ASSERT(texture);
+    // Sync texture not active but scheduled for a copy
+    if (texture->hasAnyDirtyBit())
+    {
+        return texture->syncState(this, Command::Other);
+    }
+
+    return angle::Result::Continue;
+}
+
+void Context::activeShaderProgram(ProgramPipelineID pipeline, ShaderProgramID program)
+{
+    Program *shaderProgram = getProgramNoResolveLink(program);
+    ProgramPipeline *programPipeline =
+        mState.mProgramPipelineManager->checkProgramPipelineAllocation(mImplementation.get(),
+                                                                       pipeline);
+    ASSERT(programPipeline);
+
+    programPipeline->activeShaderProgram(shaderProgram);
+}
+
+void Context::activeTexture(GLenum texture)
+{
+    mState.setActiveSampler(texture - GL_TEXTURE0);
+}
+
+void Context::blendBarrier()
+{
+    mImplementation->blendBarrier();
+}
+
+void Context::blendColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
+{
+    mState.setBlendColor(red, green, blue, alpha);
+}
+
+void Context::blendEquation(GLenum mode)
+{
+    mState.setBlendEquation(mode, mode);
+
+    mStateCache.onBlendEquationChange(this);
+}
+
+void Context::blendEquationi(GLuint buf, GLenum mode)
+{
+    mState.setBlendEquationIndexed(mode, mode, buf);
+
+    mStateCache.onBlendEquationChange(this);
+}
+
+void Context::blendEquationSeparate(GLenum modeRGB, GLenum modeAlpha)
+{
+    mState.setBlendEquation(modeRGB, modeAlpha);
+}
+
+void Context::blendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeAlpha)
+{
+    mState.setBlendEquationIndexed(modeRGB, modeAlpha, buf);
+}
+
+void Context::blendFunc(GLenum sfactor, GLenum dfactor)
+{
+    mState.setBlendFactors(sfactor, dfactor, sfactor, dfactor);
+}
+
+void Context::blendFunci(GLuint buf, GLenum src, GLenum dst)
+{
+    mState.setBlendFactorsIndexed(src, dst, src, dst, buf);
+
+    if (mState.noSimultaneousConstantColorAndAlphaBlendFunc())
+    {
+        mStateCache.onBlendFuncIndexedChange(this);
+    }
+}
+
+void Context::blendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha)
+{
+    mState.setBlendFactors(srcRGB, dstRGB, srcAlpha, dstAlpha);
+}
+
+void Context::blendFuncSeparatei(GLuint buf,
+                                 GLenum srcRGB,
+                                 GLenum dstRGB,
+                                 GLenum srcAlpha,
+                                 GLenum dstAlpha)
+{
+    mState.setBlendFactorsIndexed(srcRGB, dstRGB, srcAlpha, dstAlpha, buf);
+
+    if (mState.noSimultaneousConstantColorAndAlphaBlendFunc())
+    {
+        mStateCache.onBlendFuncIndexedChange(this);
+    }
+}
+
+void Context::clearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
+{
+    mState.setColorClearValue(red, green, blue, alpha);
+}
+
+void Context::clearDepthf(GLfloat depth)
+{
+    mState.setDepthClearValue(clamp01(depth));
+}
+
+void Context::clearStencil(GLint s)
+{
+    mState.setStencilClearValue(s);
+}
+
+void Context::colorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha)
+{
+    mState.setColorMask(ConvertToBool(red), ConvertToBool(green), ConvertToBool(blue),
+                        ConvertToBool(alpha));
+    mStateCache.onColorMaskChange(this);
+}
+
+void Context::colorMaski(GLuint index, GLboolean r, GLboolean g, GLboolean b, GLboolean a)
+{
+    mState.setColorMaskIndexed(ConvertToBool(r), ConvertToBool(g), ConvertToBool(b),
+                               ConvertToBool(a), index);
+    mStateCache.onColorMaskChange(this);
+}
+
+void Context::cullFace(CullFaceMode mode)
+{
+    mState.setCullMode(mode);
+}
+
+void Context::depthFunc(GLenum func)
+{
+    mState.setDepthFunc(func);
+}
+
+void Context::depthMask(GLboolean flag)
+{
+    mState.setDepthMask(ConvertToBool(flag));
+}
+
+void Context::depthRangef(GLfloat zNear, GLfloat zFar)
+{
+    mState.setDepthRange(clamp01(zNear), clamp01(zFar));
+}
+
+void Context::clipControl(GLenum origin, GLenum depth)
+{
+    mState.setClipControl(origin, depth);
+}
+
+void Context::disable(GLenum cap)
+{
+    mState.setEnableFeature(cap, false);
+    mStateCache.onContextCapChange(this);
+}
+
+void Context::disablei(GLenum target, GLuint index)
+{
+    mState.setEnableFeatureIndexed(target, false, index);
+    mStateCache.onContextCapChange(this);
+}
+
+void Context::disableVertexAttribArray(GLuint index)
+{
+    mState.setEnableVertexAttribArray(index, false);
+    mStateCache.onVertexArrayStateChange(this);
+}
+
+void Context::enable(GLenum cap)
+{
+    mState.setEnableFeature(cap, true);
+    mStateCache.onContextCapChange(this);
+}
+
+void Context::enablei(GLenum target, GLuint index)
+{
+    mState.setEnableFeatureIndexed(target, true, index);
+    mStateCache.onContextCapChange(this);
+}
+
+void Context::enableVertexAttribArray(GLuint index)
+{
+    mState.setEnableVertexAttribArray(index, true);
+    mStateCache.onVertexArrayStateChange(this);
+}
+
+void Context::frontFace(GLenum mode)
+{
+    mState.setFrontFace(mode);
+}
+
+void Context::hint(GLenum target, GLenum mode)
+{
+    switch (target)
+    {
+        case GL_GENERATE_MIPMAP_HINT:
+            mState.setGenerateMipmapHint(mode);
+            break;
+
+        case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
+            mState.setFragmentShaderDerivativeHint(mode);
+            break;
+
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+        case GL_POINT_SMOOTH_HINT:
+        case GL_LINE_SMOOTH_HINT:
+        case GL_FOG_HINT:
+            mState.gles1().setHint(target, mode);
+            break;
+        case GL_TEXTURE_FILTERING_HINT_CHROMIUM:
+            mState.setTextureFilteringHint(mode);
+            break;
+        default:
+            UNREACHABLE();
+            return;
+    }
+}
+
+void Context::lineWidth(GLfloat width)
+{
+    mState.setLineWidth(width);
+}
+
+void Context::pixelStorei(GLenum pname, GLint param)
+{
+    switch (pname)
+    {
+        case GL_UNPACK_ALIGNMENT:
+            mState.setUnpackAlignment(param);
+            break;
+
+        case GL_PACK_ALIGNMENT:
+            mState.setPackAlignment(param);
+            break;
+
+        case GL_PACK_REVERSE_ROW_ORDER_ANGLE:
+            mState.setPackReverseRowOrder(param != 0);
+            break;
+
+        case GL_UNPACK_ROW_LENGTH:
+            ASSERT((getClientMajorVersion() >= 3) || getExtensions().unpackSubimageEXT);
+            mState.setUnpackRowLength(param);
+            break;
+
+        case GL_UNPACK_IMAGE_HEIGHT:
+            ASSERT(getClientMajorVersion() >= 3);
+            mState.setUnpackImageHeight(param);
+            break;
+
+        case GL_UNPACK_SKIP_IMAGES:
+            ASSERT(getClientMajorVersion() >= 3);
+            mState.setUnpackSkipImages(param);
+            break;
+
+        case GL_UNPACK_SKIP_ROWS:
+            ASSERT((getClientMajorVersion() >= 3) || getExtensions().unpackSubimageEXT);
+            mState.setUnpackSkipRows(param);
+            break;
+
+        case GL_UNPACK_SKIP_PIXELS:
+            ASSERT((getClientMajorVersion() >= 3) || getExtensions().unpackSubimageEXT);
+            mState.setUnpackSkipPixels(param);
+            break;
+
+        case GL_PACK_ROW_LENGTH:
+            ASSERT((getClientMajorVersion() >= 3) || getExtensions().packSubimageNV);
+            mState.setPackRowLength(param);
+            break;
+
+        case GL_PACK_SKIP_ROWS:
+            ASSERT((getClientMajorVersion() >= 3) || getExtensions().packSubimageNV);
+            mState.setPackSkipRows(param);
+            break;
+
+        case GL_PACK_SKIP_PIXELS:
+            ASSERT((getClientMajorVersion() >= 3) || getExtensions().packSubimageNV);
+            mState.setPackSkipPixels(param);
+            break;
+
+        default:
+            UNREACHABLE();
+            return;
+    }
+}
+
+void Context::polygonOffset(GLfloat factor, GLfloat units)
+{
+    mState.setPolygonOffsetParams(factor, units);
+}
+
+void Context::sampleCoverage(GLfloat value, GLboolean invert)
+{
+    mState.setSampleCoverageParams(clamp01(value), ConvertToBool(invert));
+}
+
+void Context::sampleMaski(GLuint maskNumber, GLbitfield mask)
+{
+    mState.setSampleMaskParams(maskNumber, mask);
+}
+
+void Context::scissor(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+    mState.setScissorParams(x, y, width, height);
+}
+
+void Context::shadingRateQCOM(GLenum rate)
+{
+    mState.setShadingRate(rate);
+}
+
+void Context::stencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask)
+{
+    GLint clampedRef = gl::clamp(ref, 0, std::numeric_limits<uint8_t>::max());
+    if (face == GL_FRONT || face == GL_FRONT_AND_BACK)
+    {
+        mState.setStencilParams(func, clampedRef, mask);
+    }
+
+    if (face == GL_BACK || face == GL_FRONT_AND_BACK)
+    {
+        mState.setStencilBackParams(func, clampedRef, mask);
+    }
+
+    mStateCache.onStencilStateChange(this);
+}
+
+void Context::stencilMaskSeparate(GLenum face, GLuint mask)
+{
+    if (face == GL_FRONT || face == GL_FRONT_AND_BACK)
+    {
+        mState.setStencilWritemask(mask);
+    }
+
+    if (face == GL_BACK || face == GL_FRONT_AND_BACK)
+    {
+        mState.setStencilBackWritemask(mask);
+    }
+
+    mStateCache.onStencilStateChange(this);
+}
+
+void Context::stencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass)
+{
+    if (face == GL_FRONT || face == GL_FRONT_AND_BACK)
+    {
+        mState.setStencilOperations(fail, zfail, zpass);
+    }
+
+    if (face == GL_BACK || face == GL_FRONT_AND_BACK)
+    {
+        mState.setStencilBackOperations(fail, zfail, zpass);
+    }
+}
+
+void Context::vertexAttrib1f(GLuint index, GLfloat x)
+{
+    GLfloat vals[4] = {x, 0, 0, 1};
+    mState.setVertexAttribf(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttrib1fv(GLuint index, const GLfloat *values)
+{
+    GLfloat vals[4] = {values[0], 0, 0, 1};
+    mState.setVertexAttribf(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttrib2f(GLuint index, GLfloat x, GLfloat y)
+{
+    GLfloat vals[4] = {x, y, 0, 1};
+    mState.setVertexAttribf(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttrib2fv(GLuint index, const GLfloat *values)
+{
+    GLfloat vals[4] = {values[0], values[1], 0, 1};
+    mState.setVertexAttribf(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z)
+{
+    GLfloat vals[4] = {x, y, z, 1};
+    mState.setVertexAttribf(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttrib3fv(GLuint index, const GLfloat *values)
+{
+    GLfloat vals[4] = {values[0], values[1], values[2], 1};
+    mState.setVertexAttribf(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+    GLfloat vals[4] = {x, y, z, w};
+    mState.setVertexAttribf(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttrib4fv(GLuint index, const GLfloat *values)
+{
+    mState.setVertexAttribf(index, values);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttribPointer(GLuint index,
+                                  GLint size,
+                                  VertexAttribType type,
+                                  GLboolean normalized,
+                                  GLsizei stride,
+                                  const void *ptr)
+{
+    mState.setVertexAttribPointer(this, index, mState.getTargetBuffer(BufferBinding::Array), size,
+                                  type, ConvertToBool(normalized), stride, ptr);
+    mStateCache.onVertexArrayStateChange(this);
+}
+
+void Context::vertexAttribFormat(GLuint attribIndex,
+                                 GLint size,
+                                 VertexAttribType type,
+                                 GLboolean normalized,
+                                 GLuint relativeOffset)
+{
+    mState.setVertexAttribFormat(attribIndex, size, type, ConvertToBool(normalized), false,
+                                 relativeOffset);
+    mStateCache.onVertexArrayFormatChange(this);
+}
+
+void Context::vertexAttribIFormat(GLuint attribIndex,
+                                  GLint size,
+                                  VertexAttribType type,
+                                  GLuint relativeOffset)
+{
+    mState.setVertexAttribFormat(attribIndex, size, type, false, true, relativeOffset);
+    mStateCache.onVertexArrayFormatChange(this);
+}
+
+void Context::vertexAttribBinding(GLuint attribIndex, GLuint bindingIndex)
+{
+    mState.setVertexAttribBinding(this, attribIndex, bindingIndex);
+    mStateCache.onVertexArrayStateChange(this);
+}
+
+void Context::vertexBindingDivisor(GLuint bindingIndex, GLuint divisor)
+{
+    mState.setVertexBindingDivisor(this, bindingIndex, divisor);
+    mStateCache.onVertexArrayFormatChange(this);
+}
+
+void Context::viewport(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+    mState.setViewportParams(x, y, width, height);
+}
+
+void Context::vertexAttribIPointer(GLuint index,
+                                   GLint size,
+                                   VertexAttribType type,
+                                   GLsizei stride,
+                                   const void *pointer)
+{
+    mState.setVertexAttribIPointer(this, index, mState.getTargetBuffer(BufferBinding::Array), size,
+                                   type, stride, pointer);
+    mStateCache.onVertexArrayStateChange(this);
+}
+
+void Context::vertexAttribI4i(GLuint index, GLint x, GLint y, GLint z, GLint w)
+{
+    GLint vals[4] = {x, y, z, w};
+    mState.setVertexAttribi(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttribI4ui(GLuint index, GLuint x, GLuint y, GLuint z, GLuint w)
+{
+    GLuint vals[4] = {x, y, z, w};
+    mState.setVertexAttribu(index, vals);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttribI4iv(GLuint index, const GLint *v)
+{
+    mState.setVertexAttribi(index, v);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::vertexAttribI4uiv(GLuint index, const GLuint *v)
+{
+    mState.setVertexAttribu(index, v);
+    mStateCache.onDefaultVertexAttributeChange(this);
+}
+
+void Context::getVertexAttribivImpl(GLuint index, GLenum pname, GLint *params) const
+{
+    const VertexAttribCurrentValueData &currentValues =
+        getState().getVertexAttribCurrentValue(index);
+    const VertexArray *vao = getState().getVertexArray();
+    QueryVertexAttribiv(vao->getVertexAttribute(index), vao->getBindingFromAttribIndex(index),
+                        currentValues, pname, params);
+}
+
+void Context::getVertexAttribiv(GLuint index, GLenum pname, GLint *params)
+{
+    return getVertexAttribivImpl(index, pname, params);
+}
+
+void Context::getVertexAttribivRobust(GLuint index,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      GLsizei *length,
+                                      GLint *params)
+{
+    getVertexAttribiv(index, pname, params);
+}
+
+void Context::getVertexAttribfv(GLuint index, GLenum pname, GLfloat *params)
+{
+    const VertexAttribCurrentValueData &currentValues =
+        getState().getVertexAttribCurrentValue(index);
+    const VertexArray *vao = getState().getVertexArray();
+    QueryVertexAttribfv(vao->getVertexAttribute(index), vao->getBindingFromAttribIndex(index),
+                        currentValues, pname, params);
+}
+
+void Context::getVertexAttribfvRobust(GLuint index,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      GLsizei *length,
+                                      GLfloat *params)
+{
+    getVertexAttribfv(index, pname, params);
+}
+
+void Context::getVertexAttribIiv(GLuint index, GLenum pname, GLint *params)
+{
+    const VertexAttribCurrentValueData &currentValues =
+        getState().getVertexAttribCurrentValue(index);
+    const VertexArray *vao = getState().getVertexArray();
+    QueryVertexAttribIiv(vao->getVertexAttribute(index), vao->getBindingFromAttribIndex(index),
+                         currentValues, pname, params);
+}
+
+void Context::getVertexAttribIivRobust(GLuint index,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLint *params)
+{
+    getVertexAttribIiv(index, pname, params);
+}
+
+void Context::getVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params)
+{
+    const VertexAttribCurrentValueData &currentValues =
+        getState().getVertexAttribCurrentValue(index);
+    const VertexArray *vao = getState().getVertexArray();
+    QueryVertexAttribIuiv(vao->getVertexAttribute(index), vao->getBindingFromAttribIndex(index),
+                          currentValues, pname, params);
+}
+
+void Context::getVertexAttribIuivRobust(GLuint index,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLuint *params)
+{
+    getVertexAttribIuiv(index, pname, params);
+}
+
+void Context::getVertexAttribPointerv(GLuint index, GLenum pname, void **pointer)
+{
+    const VertexAttribute &attrib = getState().getVertexArray()->getVertexAttribute(index);
+    QueryVertexAttribPointerv(attrib, pname, pointer);
+}
+
+void Context::getVertexAttribPointervRobust(GLuint index,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            void **pointer)
+{
+    getVertexAttribPointerv(index, pname, pointer);
+}
+
+void Context::debugMessageControl(GLenum source,
+                                  GLenum type,
+                                  GLenum severity,
+                                  GLsizei count,
+                                  const GLuint *ids,
+                                  GLboolean enabled)
+{
+    std::vector<GLuint> idVector(ids, ids + count);
+    mState.getDebug().setMessageControl(source, type, severity, std::move(idVector),
+                                        ConvertToBool(enabled));
+}
+
+void Context::debugMessageInsert(GLenum source,
+                                 GLenum type,
+                                 GLuint id,
+                                 GLenum severity,
+                                 GLsizei length,
+                                 const GLchar *buf)
+{
+    std::string msg(buf, (length > 0) ? static_cast<size_t>(length) : strlen(buf));
+    mState.getDebug().insertMessage(source, type, id, severity, std::move(msg), gl::LOG_INFO,
+                                    angle::EntryPoint::GLDebugMessageInsert);
+}
+
+void Context::debugMessageCallback(GLDEBUGPROCKHR callback, const void *userParam)
+{
+    mState.getDebug().setCallback(callback, userParam);
+}
+
+GLuint Context::getDebugMessageLog(GLuint count,
+                                   GLsizei bufSize,
+                                   GLenum *sources,
+                                   GLenum *types,
+                                   GLuint *ids,
+                                   GLenum *severities,
+                                   GLsizei *lengths,
+                                   GLchar *messageLog)
+{
+    return static_cast<GLuint>(mState.getDebug().getMessages(count, bufSize, sources, types, ids,
+                                                             severities, lengths, messageLog));
+}
+
+void Context::pushDebugGroup(GLenum source, GLuint id, GLsizei length, const GLchar *message)
+{
+    std::string msg(message, (length > 0) ? static_cast<size_t>(length) : strlen(message));
+    ANGLE_CONTEXT_TRY(mImplementation->pushDebugGroup(this, source, id, msg));
+    mState.getDebug().pushGroup(source, id, std::move(msg));
+}
+
+angle::Result Context::handleNoopDrawEvent()
+{
+    return (mImplementation->handleNoopDrawEvent());
+}
+
+void Context::popDebugGroup()
+{
+    mState.getDebug().popGroup();
+    ANGLE_CONTEXT_TRY(mImplementation->popDebugGroup(this));
+}
+
+void Context::primitiveBoundingBox(GLfloat minX,
+                                   GLfloat minY,
+                                   GLfloat minZ,
+                                   GLfloat minW,
+                                   GLfloat maxX,
+                                   GLfloat maxY,
+                                   GLfloat maxZ,
+                                   GLfloat maxW)
+{
+    mState.mBoundingBoxMinX = minX;
+    mState.mBoundingBoxMinY = minY;
+    mState.mBoundingBoxMinZ = minZ;
+    mState.mBoundingBoxMinW = minW;
+    mState.mBoundingBoxMaxX = maxX;
+    mState.mBoundingBoxMaxY = maxY;
+    mState.mBoundingBoxMaxZ = maxZ;
+    mState.mBoundingBoxMaxW = maxW;
+}
+
+void Context::bufferStorage(BufferBinding target,
+                            GLsizeiptr size,
+                            const void *data,
+                            GLbitfield flags)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+    ANGLE_CONTEXT_TRY(buffer->bufferStorage(this, target, size, data, flags));
+}
+
+void Context::bufferStorageExternal(BufferBinding target,
+                                    GLintptr offset,
+                                    GLsizeiptr size,
+                                    GLeglClientBufferEXT clientBuffer,
+                                    GLbitfield flags)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+
+    ANGLE_CONTEXT_TRY(buffer->bufferStorageExternal(this, target, size, clientBuffer, flags));
+}
+
+void Context::namedBufferStorageExternal(GLuint buffer,
+                                         GLintptr offset,
+                                         GLsizeiptr size,
+                                         GLeglClientBufferEXT clientBuffer,
+                                         GLbitfield flags)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bufferData(BufferBinding target, GLsizeiptr size, const void *data, BufferUsage usage)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+    ANGLE_CONTEXT_TRY(buffer->bufferData(this, target, data, size, usage));
+}
+
+void Context::bufferSubData(BufferBinding target,
+                            GLintptr offset,
+                            GLsizeiptr size,
+                            const void *data)
+{
+    if (data == nullptr || size == 0)
+    {
+        return;
+    }
+
+    Buffer *buffer = mState.getTargetBuffer(target);
+    ASSERT(buffer);
+    ANGLE_CONTEXT_TRY(buffer->bufferSubData(this, target, data, size, offset));
+}
+
+void Context::attachShader(ShaderProgramID program, ShaderProgramID shader)
+{
+    Program *programObject = mState.mShaderProgramManager->getProgram(program);
+    Shader *shaderObject   = mState.mShaderProgramManager->getShader(shader);
+    ASSERT(programObject && shaderObject);
+    programObject->attachShader(shaderObject);
+}
+
+void Context::copyBufferSubData(BufferBinding readTarget,
+                                BufferBinding writeTarget,
+                                GLintptr readOffset,
+                                GLintptr writeOffset,
+                                GLsizeiptr size)
+{
+    // if size is zero, the copy is a successful no-op
+    if (size == 0)
+    {
+        return;
+    }
+
+    // TODO(jmadill): cache these.
+    Buffer *readBuffer  = mState.getTargetBuffer(readTarget);
+    Buffer *writeBuffer = mState.getTargetBuffer(writeTarget);
+
+    ANGLE_CONTEXT_TRY(
+        writeBuffer->copyBufferSubData(this, readBuffer, readOffset, writeOffset, size));
+}
+
+void Context::bindAttribLocation(ShaderProgramID program, GLuint index, const GLchar *name)
+{
+    // Ideally we could share the program query with the validation layer if possible.
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->bindAttributeLocation(index, name);
+}
+
+void Context::bindBufferBase(BufferBinding target, GLuint index, BufferID buffer)
+{
+    bindBufferRange(target, index, buffer, 0, 0);
+}
+
+void Context::bindBufferRange(BufferBinding target,
+                              GLuint index,
+                              BufferID buffer,
+                              GLintptr offset,
+                              GLsizeiptr size)
+{
+    Buffer *object = mState.mBufferManager->checkBufferAllocation(mImplementation.get(), buffer);
+    ANGLE_CONTEXT_TRY(mState.setIndexedBufferBinding(this, target, index, object, offset, size));
+    if (target == BufferBinding::Uniform)
+    {
+        mUniformBufferObserverBindings[index].bind(object);
+        mStateCache.onUniformBufferStateChange(this);
+    }
+    else if (target == BufferBinding::AtomicCounter)
+    {
+        mAtomicCounterBufferObserverBindings[index].bind(object);
+        mStateCache.onAtomicCounterBufferStateChange(this);
+    }
+    else if (target == BufferBinding::ShaderStorage)
+    {
+        mShaderStorageBufferObserverBindings[index].bind(object);
+        mStateCache.onShaderStorageBufferStateChange(this);
+    }
+    else
+    {
+        mStateCache.onBufferBindingChange(this);
+    }
+}
+
+void Context::bindFramebuffer(GLenum target, FramebufferID framebuffer)
+{
+    if (target == GL_READ_FRAMEBUFFER || target == GL_FRAMEBUFFER)
+    {
+        bindReadFramebuffer(framebuffer);
+    }
+
+    if (target == GL_DRAW_FRAMEBUFFER || target == GL_FRAMEBUFFER)
+    {
+        bindDrawFramebuffer(framebuffer);
+    }
+}
+
+void Context::bindRenderbuffer(GLenum target, RenderbufferID renderbuffer)
+{
+    ASSERT(target == GL_RENDERBUFFER);
+    Renderbuffer *object = mState.mRenderbufferManager->checkRenderbufferAllocation(
+        mImplementation.get(), renderbuffer);
+    mState.setRenderbufferBinding(this, object);
+}
+
+void Context::texStorage2DMultisample(TextureType target,
+                                      GLsizei samples,
+                                      GLenum internalformat,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLboolean fixedsamplelocations)
+{
+    Extents size(width, height, 1);
+    Texture *texture = getTextureByType(target);
+    ANGLE_CONTEXT_TRY(texture->setStorageMultisample(this, target, samples, internalformat, size,
+                                                     ConvertToBool(fixedsamplelocations)));
+}
+
+void Context::texStorage3DMultisample(TextureType target,
+                                      GLsizei samples,
+                                      GLenum internalformat,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLsizei depth,
+                                      GLboolean fixedsamplelocations)
+{
+    Extents size(width, height, depth);
+    Texture *texture = getTextureByType(target);
+    ANGLE_CONTEXT_TRY(texture->setStorageMultisample(this, target, samples, internalformat, size,
+                                                     ConvertToBool(fixedsamplelocations)));
+}
+
+void Context::texImage2DExternal(TextureTarget target,
+                                 GLint level,
+                                 GLint internalformat,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLint border,
+                                 GLenum format,
+                                 GLenum type)
+{
+    Extents size(width, height, 1);
+    Texture *texture = getTextureByTarget(target);
+    ANGLE_CONTEXT_TRY(
+        texture->setImageExternal(this, target, level, internalformat, size, format, type));
+}
+
+void Context::invalidateTexture(TextureType target)
+{
+    mImplementation->invalidateTexture(target);
+    mState.invalidateTextureBindings(target);
+}
+
+void Context::getMultisamplefv(GLenum pname, GLuint index, GLfloat *val)
+{
+    // According to spec 3.1 Table 20.49: Framebuffer Dependent Values,
+    // the sample position should be queried by DRAW_FRAMEBUFFER.
+    ANGLE_CONTEXT_TRY(mState.syncDirtyObject(this, GL_DRAW_FRAMEBUFFER));
+    const Framebuffer *framebuffer = mState.getDrawFramebuffer();
+
+    switch (pname)
+    {
+        case GL_SAMPLE_POSITION:
+            ANGLE_CONTEXT_TRY(framebuffer->getSamplePosition(this, index, val));
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+void Context::getMultisamplefvRobust(GLenum pname,
+                                     GLuint index,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLfloat *val)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::renderbufferStorage(GLenum target,
+                                  GLenum internalformat,
+                                  GLsizei width,
+                                  GLsizei height)
+{
+    // Hack for the special WebGL 1 "DEPTH_STENCIL" internal format.
+    GLenum convertedInternalFormat = getConvertedRenderbufferFormat(internalformat);
+
+    Renderbuffer *renderbuffer = mState.getCurrentRenderbuffer();
+    ANGLE_CONTEXT_TRY(renderbuffer->setStorage(this, convertedInternalFormat, width, height));
+}
+
+void Context::renderbufferStorageMultisample(GLenum target,
+                                             GLsizei samples,
+                                             GLenum internalformat,
+                                             GLsizei width,
+                                             GLsizei height)
+{
+    renderbufferStorageMultisampleImpl(target, samples, internalformat, width, height,
+                                       MultisamplingMode::Regular);
+}
+
+void Context::renderbufferStorageMultisampleEXT(GLenum target,
+                                                GLsizei samples,
+                                                GLenum internalformat,
+                                                GLsizei width,
+                                                GLsizei height)
+{
+    renderbufferStorageMultisampleImpl(target, samples, internalformat, width, height,
+                                       MultisamplingMode::MultisampledRenderToTexture);
+}
+
+void Context::renderbufferStorageMultisampleImpl(GLenum target,
+                                                 GLsizei samples,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height,
+                                                 MultisamplingMode mode)
+{
+    // Hack for the special WebGL 1 "DEPTH_STENCIL" internal format.
+    GLenum convertedInternalFormat = getConvertedRenderbufferFormat(internalformat);
+
+    Renderbuffer *renderbuffer = mState.getCurrentRenderbuffer();
+    ANGLE_CONTEXT_TRY(renderbuffer->setStorageMultisample(this, samples, convertedInternalFormat,
+                                                          width, height, mode));
+}
+
+void Context::framebufferTexture2DMultisample(GLenum target,
+                                              GLenum attachment,
+                                              TextureTarget textarget,
+                                              TextureID texture,
+                                              GLint level,
+                                              GLsizei samples)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (texture.value != 0)
+    {
+        Texture *textureObj = getTexture(texture);
+        ImageIndex index    = ImageIndex::MakeFromTarget(textarget, level, 1);
+        framebuffer->setAttachmentMultisample(this, GL_TEXTURE, attachment, index, textureObj,
+                                              samples);
+    }
+    else
+    {
+        framebuffer->resetAttachment(this, attachment);
+    }
+
+    mState.setObjectDirty(target);
+}
+
+void Context::getSynciv(GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values)
+{
+    const Sync *syncObject = nullptr;
+    if (!isContextLost())
+    {
+        syncObject = getSync(sync);
+    }
+    ANGLE_CONTEXT_TRY(QuerySynciv(this, syncObject, pname, bufSize, length, values));
+}
+
+void Context::getFramebufferParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    QueryFramebufferParameteriv(framebuffer, pname, params);
+}
+
+void Context::getFramebufferParameterivRobust(GLenum target,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              GLsizei *length,
+                                              GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::framebufferParameteri(GLenum target, GLenum pname, GLint param)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    SetFramebufferParameteri(this, framebuffer, pname, param);
+}
+
+bool Context::getScratchBuffer(size_t requstedSizeBytes,
+                               angle::MemoryBuffer **scratchBufferOut) const
+{
+    if (!mScratchBuffer.valid())
+    {
+        mScratchBuffer = mDisplay->requestScratchBuffer();
+    }
+
+    ASSERT(mScratchBuffer.valid());
+    return mScratchBuffer.value().get(requstedSizeBytes, scratchBufferOut);
+}
+
+angle::ScratchBuffer *Context::getScratchBuffer() const
+{
+    if (!mScratchBuffer.valid())
+    {
+        mScratchBuffer = mDisplay->requestScratchBuffer();
+    }
+
+    ASSERT(mScratchBuffer.valid());
+    return &mScratchBuffer.value();
+}
+
+bool Context::getZeroFilledBuffer(size_t requstedSizeBytes,
+                                  angle::MemoryBuffer **zeroBufferOut) const
+{
+    if (!mZeroFilledBuffer.valid())
+    {
+        mZeroFilledBuffer = mDisplay->requestZeroFilledBuffer();
+    }
+
+    ASSERT(mZeroFilledBuffer.valid());
+    return mZeroFilledBuffer.value().getInitialized(requstedSizeBytes, zeroBufferOut, 0);
+}
+
+void Context::dispatchCompute(GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ)
+{
+    if (numGroupsX == 0u || numGroupsY == 0u || numGroupsZ == 0u)
+    {
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDispatch());
+
+    angle::Result result =
+        mImplementation->dispatchCompute(this, numGroupsX, numGroupsY, numGroupsZ);
+
+    // This must be called before convertPpoToComputeOrDraw() so it uses the PPO's compute values
+    // before convertPpoToComputeOrDraw() reverts the PPO back to graphics.
+    MarkShaderStorageUsage(this);
+
+    if (ANGLE_UNLIKELY(IsError(result)))
+    {
+        return;
+    }
+}
+
+void Context::dispatchComputeIndirect(GLintptr indirect)
+{
+    ANGLE_CONTEXT_TRY(prepareForDispatch());
+    ANGLE_CONTEXT_TRY(mImplementation->dispatchComputeIndirect(this, indirect));
+
+    MarkShaderStorageUsage(this);
+}
+
+void Context::texStorage2D(TextureType target,
+                           GLsizei levels,
+                           GLenum internalFormat,
+                           GLsizei width,
+                           GLsizei height)
+{
+    Extents size(width, height, 1);
+    Texture *texture = getTextureByType(target);
+    ANGLE_CONTEXT_TRY(texture->setStorage(this, target, levels, internalFormat, size));
+}
+
+void Context::texStorage3D(TextureType target,
+                           GLsizei levels,
+                           GLenum internalFormat,
+                           GLsizei width,
+                           GLsizei height,
+                           GLsizei depth)
+{
+    Extents size(width, height, depth);
+    Texture *texture = getTextureByType(target);
+    ANGLE_CONTEXT_TRY(texture->setStorage(this, target, levels, internalFormat, size));
+}
+
+void Context::memoryBarrier(GLbitfield barriers)
+{
+    ANGLE_CONTEXT_TRY(mImplementation->memoryBarrier(this, barriers));
+}
+
+void Context::memoryBarrierByRegion(GLbitfield barriers)
+{
+    ANGLE_CONTEXT_TRY(mImplementation->memoryBarrierByRegion(this, barriers));
+}
+
+void Context::multiDrawArrays(PrimitiveMode mode,
+                              const GLint *firsts,
+                              const GLsizei *counts,
+                              GLsizei drawcount)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->multiDrawArrays(this, mode, firsts, counts, drawcount));
+}
+
+void Context::multiDrawArraysInstanced(PrimitiveMode mode,
+                                       const GLint *firsts,
+                                       const GLsizei *counts,
+                                       const GLsizei *instanceCounts,
+                                       GLsizei drawcount)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->multiDrawArraysInstanced(this, mode, firsts, counts,
+                                                                instanceCounts, drawcount));
+}
+
+void Context::multiDrawArraysIndirect(PrimitiveMode mode,
+                                      const void *indirect,
+                                      GLsizei drawcount,
+                                      GLsizei stride)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(
+        mImplementation->multiDrawArraysIndirect(this, mode, indirect, drawcount, stride));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::multiDrawElements(PrimitiveMode mode,
+                                const GLsizei *counts,
+                                DrawElementsType type,
+                                const GLvoid *const *indices,
+                                GLsizei drawcount)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(
+        mImplementation->multiDrawElements(this, mode, counts, type, indices, drawcount));
+}
+
+void Context::multiDrawElementsInstanced(PrimitiveMode mode,
+                                         const GLsizei *counts,
+                                         DrawElementsType type,
+                                         const GLvoid *const *indices,
+                                         const GLsizei *instanceCounts,
+                                         GLsizei drawcount)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->multiDrawElementsInstanced(this, mode, counts, type, indices,
+                                                                  instanceCounts, drawcount));
+}
+
+void Context::multiDrawElementsIndirect(PrimitiveMode mode,
+                                        DrawElementsType type,
+                                        const void *indirect,
+                                        GLsizei drawcount,
+                                        GLsizei stride)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(
+        mImplementation->multiDrawElementsIndirect(this, mode, type, indirect, drawcount, stride));
+    MarkShaderStorageUsage(this);
+}
+
+void Context::drawArraysInstancedBaseInstance(PrimitiveMode mode,
+                                              GLint first,
+                                              GLsizei count,
+                                              GLsizei instanceCount,
+                                              GLuint baseInstance)
+{
+    if (noopDrawInstanced(mode, count, instanceCount))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    Program *programObject = mState.getLinkedProgram(this);
+
+    const bool hasBaseInstance = programObject && programObject->hasBaseInstanceUniform();
+    if (hasBaseInstance)
+    {
+        programObject->setBaseInstanceUniform(baseInstance);
+    }
+
+    rx::ResetBaseVertexBaseInstance resetUniforms(programObject, false, hasBaseInstance);
+
+    // The input gl_InstanceID does not follow the baseinstance. gl_InstanceID always falls on
+    // the half-open range [0, instancecount). No need to set other stuff. Except for Vulkan.
+
+    ANGLE_CONTEXT_TRY(mImplementation->drawArraysInstancedBaseInstance(
+        this, mode, first, count, instanceCount, baseInstance));
+    MarkTransformFeedbackBufferUsage(this, count, 1);
+}
+
+void Context::drawArraysInstancedBaseInstanceANGLE(PrimitiveMode mode,
+                                                   GLint first,
+                                                   GLsizei count,
+                                                   GLsizei instanceCount,
+                                                   GLuint baseInstance)
+{
+    drawArraysInstancedBaseInstance(mode, first, count, instanceCount, baseInstance);
+}
+
+void Context::drawElementsInstancedBaseInstance(PrimitiveMode mode,
+                                                GLsizei count,
+                                                DrawElementsType type,
+                                                const void *indices,
+                                                GLsizei instanceCount,
+                                                GLuint baseInstance)
+{
+    drawElementsInstancedBaseVertexBaseInstance(mode, count, type, indices, instanceCount, 0,
+                                                baseInstance);
+}
+
+void Context::drawElementsInstancedBaseVertexBaseInstance(PrimitiveMode mode,
+                                                          GLsizei count,
+                                                          DrawElementsType type,
+                                                          const GLvoid *indices,
+                                                          GLsizei instanceCount,
+                                                          GLint baseVertex,
+                                                          GLuint baseInstance)
+{
+    if (noopDrawInstanced(mode, count, instanceCount))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    Program *programObject = mState.getLinkedProgram(this);
+
+    const bool hasBaseVertex = programObject && programObject->hasBaseVertexUniform();
+    if (hasBaseVertex)
+    {
+        programObject->setBaseVertexUniform(baseVertex);
+    }
+
+    const bool hasBaseInstance = programObject && programObject->hasBaseInstanceUniform();
+    if (hasBaseInstance)
+    {
+        programObject->setBaseInstanceUniform(baseInstance);
+    }
+
+    rx::ResetBaseVertexBaseInstance resetUniforms(programObject, hasBaseVertex, hasBaseInstance);
+
+    ANGLE_CONTEXT_TRY(mImplementation->drawElementsInstancedBaseVertexBaseInstance(
+        this, mode, count, type, indices, instanceCount, baseVertex, baseInstance));
+}
+
+void Context::drawElementsInstancedBaseVertexBaseInstanceANGLE(PrimitiveMode mode,
+                                                               GLsizei count,
+                                                               DrawElementsType type,
+                                                               const GLvoid *indices,
+                                                               GLsizei instanceCount,
+                                                               GLint baseVertex,
+                                                               GLuint baseInstance)
+{
+    drawElementsInstancedBaseVertexBaseInstance(mode, count, type, indices, instanceCount,
+                                                baseVertex, baseInstance);
+}
+
+void Context::multiDrawArraysInstancedBaseInstance(PrimitiveMode mode,
+                                                   const GLint *firsts,
+                                                   const GLsizei *counts,
+                                                   const GLsizei *instanceCounts,
+                                                   const GLuint *baseInstances,
+                                                   GLsizei drawcount)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->multiDrawArraysInstancedBaseInstance(
+        this, mode, firsts, counts, instanceCounts, baseInstances, drawcount));
+}
+
+void Context::multiDrawElementsInstancedBaseVertexBaseInstance(PrimitiveMode mode,
+                                                               const GLsizei *counts,
+                                                               DrawElementsType type,
+                                                               const GLvoid *const *indices,
+                                                               const GLsizei *instanceCounts,
+                                                               const GLint *baseVertices,
+                                                               const GLuint *baseInstances,
+                                                               GLsizei drawcount)
+{
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->multiDrawElementsInstancedBaseVertexBaseInstance(
+        this, mode, counts, type, indices, instanceCounts, baseVertices, baseInstances, drawcount));
+}
+
+void Context::provokingVertex(ProvokingVertexConvention provokeMode)
+{
+    mState.setProvokingVertex(provokeMode);
+}
+
+GLenum Context::checkFramebufferStatus(GLenum target)
+{
+    Framebuffer *framebuffer = mState.getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+    return framebuffer->checkStatus(this).status;
+}
+
+void Context::compileShader(ShaderProgramID shader)
+{
+    Shader *shaderObject = GetValidShader(this, angle::EntryPoint::GLCompileShader, shader);
+    if (!shaderObject)
+    {
+        return;
+    }
+    shaderObject->compile(this);
+}
+
+void Context::deleteBuffers(GLsizei n, const BufferID *buffers)
+{
+    for (int i = 0; i < n; i++)
+    {
+        deleteBuffer(buffers[i]);
+    }
+}
+
+void Context::deleteFramebuffers(GLsizei n, const FramebufferID *framebuffers)
+{
+    for (int i = 0; i < n; i++)
+    {
+        if (framebuffers[i].value != 0)
+        {
+            deleteFramebuffer(framebuffers[i]);
+        }
+    }
+}
+
+void Context::deleteRenderbuffers(GLsizei n, const RenderbufferID *renderbuffers)
+{
+    for (int i = 0; i < n; i++)
+    {
+        deleteRenderbuffer(renderbuffers[i]);
+    }
+}
+
+void Context::deleteTextures(GLsizei n, const TextureID *textures)
+{
+    for (int i = 0; i < n; i++)
+    {
+        if (textures[i].value != 0)
+        {
+            deleteTexture(textures[i]);
+        }
+    }
+}
+
+void Context::detachShader(ShaderProgramID program, ShaderProgramID shader)
+{
+    Program *programObject = getProgramNoResolveLink(program);
+    ASSERT(programObject);
+
+    Shader *shaderObject = getShader(shader);
+    ASSERT(shaderObject);
+
+    programObject->detachShader(this, shaderObject);
+}
+
+void Context::genBuffers(GLsizei n, BufferID *buffers)
+{
+    for (int i = 0; i < n; i++)
+    {
+        buffers[i] = createBuffer();
+    }
+}
+
+void Context::genFramebuffers(GLsizei n, FramebufferID *framebuffers)
+{
+    for (int i = 0; i < n; i++)
+    {
+        framebuffers[i] = createFramebuffer();
+    }
+}
+
+void Context::genRenderbuffers(GLsizei n, RenderbufferID *renderbuffers)
+{
+    for (int i = 0; i < n; i++)
+    {
+        renderbuffers[i] = createRenderbuffer();
+    }
+}
+
+void Context::genTextures(GLsizei n, TextureID *textures)
+{
+    for (int i = 0; i < n; i++)
+    {
+        textures[i] = createTexture();
+    }
+}
+
+void Context::getActiveAttrib(ShaderProgramID program,
+                              GLuint index,
+                              GLsizei bufsize,
+                              GLsizei *length,
+                              GLint *size,
+                              GLenum *type,
+                              GLchar *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->getActiveAttribute(index, bufsize, length, size, type, name);
+}
+
+void Context::getActiveUniform(ShaderProgramID program,
+                               GLuint index,
+                               GLsizei bufsize,
+                               GLsizei *length,
+                               GLint *size,
+                               GLenum *type,
+                               GLchar *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->getActiveUniform(index, bufsize, length, size, type, name);
+}
+
+void Context::getAttachedShaders(ShaderProgramID program,
+                                 GLsizei maxcount,
+                                 GLsizei *count,
+                                 ShaderProgramID *shaders)
+{
+    Program *programObject = getProgramNoResolveLink(program);
+    ASSERT(programObject);
+    programObject->getAttachedShaders(maxcount, count, shaders);
+}
+
+GLint Context::getAttribLocation(ShaderProgramID program, const GLchar *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    return programObject->getAttributeLocation(name);
+}
+
+void Context::getBooleanv(GLenum pname, GLboolean *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+    getQueryParameterInfo(pname, &nativeType, &numParams);
+
+    if (nativeType == GL_BOOL)
+    {
+        getBooleanvImpl(pname, params);
+    }
+    else
+    {
+        CastStateValues(this, nativeType, pname, numParams, params);
+    }
+}
+
+void Context::getBooleanvRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLboolean *params)
+{
+    getBooleanv(pname, params);
+}
+
+void Context::getFloatv(GLenum pname, GLfloat *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+    getQueryParameterInfo(pname, &nativeType, &numParams);
+
+    if (nativeType == GL_FLOAT)
+    {
+        getFloatvImpl(pname, params);
+    }
+    else
+    {
+        CastStateValues(this, nativeType, pname, numParams, params);
+    }
+}
+
+void Context::getFloatvRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLfloat *params)
+{
+    getFloatv(pname, params);
+}
+
+void Context::getIntegerv(GLenum pname, GLint *params)
+{
+    GLenum nativeType      = GL_NONE;
+    unsigned int numParams = 0;
+    getQueryParameterInfo(pname, &nativeType, &numParams);
+
+    if (nativeType == GL_INT)
+    {
+        getIntegervImpl(pname, params);
+    }
+    else
+    {
+        CastStateValues(this, nativeType, pname, numParams, params);
+    }
+}
+
+void Context::getIntegervRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLint *data)
+{
+    getIntegerv(pname, data);
+}
+
+void Context::getProgramiv(ShaderProgramID program, GLenum pname, GLint *params)
+{
+    // Don't resolve link if checking the link completion status.
+    Program *programObject = getProgramNoResolveLink(program);
+    if (!isContextLost() && pname != GL_COMPLETION_STATUS_KHR)
+    {
+        programObject = getProgramResolveLink(program);
+    }
+    ASSERT(programObject);
+    QueryProgramiv(this, programObject, pname, params);
+}
+
+void Context::getProgramivRobust(ShaderProgramID program,
+                                 GLenum pname,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 GLint *params)
+{
+    getProgramiv(program, pname, params);
+}
+
+void Context::getProgramPipelineiv(ProgramPipelineID pipeline, GLenum pname, GLint *params)
+{
+    ProgramPipeline *programPipeline = nullptr;
+    if (!mContextLost)
+    {
+        programPipeline = getProgramPipeline(pipeline);
+    }
+    QueryProgramPipelineiv(this, programPipeline, pname, params);
+}
+
+MemoryObject *Context::getMemoryObject(MemoryObjectID handle) const
+{
+    return mState.mMemoryObjectManager->getMemoryObject(handle);
+}
+
+Semaphore *Context::getSemaphore(SemaphoreID handle) const
+{
+    return mState.mSemaphoreManager->getSemaphore(handle);
+}
+
+void Context::getProgramInfoLog(ShaderProgramID program,
+                                GLsizei bufsize,
+                                GLsizei *length,
+                                GLchar *infolog)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->getExecutable().getInfoLog(bufsize, length, infolog);
+}
+
+void Context::getProgramPipelineInfoLog(ProgramPipelineID pipeline,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLchar *infoLog)
+{
+    ProgramPipeline *programPipeline = getProgramPipeline(pipeline);
+    if (programPipeline)
+    {
+        programPipeline->getExecutable().getInfoLog(bufSize, length, infoLog);
+    }
+    else
+    {
+        *length  = 0;
+        *infoLog = '\0';
+    }
+}
+
+void Context::getShaderiv(ShaderProgramID shader, GLenum pname, GLint *params)
+{
+    Shader *shaderObject = nullptr;
+    if (!isContextLost())
+    {
+        shaderObject = getShader(shader);
+        ASSERT(shaderObject);
+    }
+    QueryShaderiv(this, shaderObject, pname, params);
+}
+
+void Context::getShaderivRobust(ShaderProgramID shader,
+                                GLenum pname,
+                                GLsizei bufSize,
+                                GLsizei *length,
+                                GLint *params)
+{
+    getShaderiv(shader, pname, params);
+}
+
+void Context::getShaderInfoLog(ShaderProgramID shader,
+                               GLsizei bufsize,
+                               GLsizei *length,
+                               GLchar *infolog)
+{
+    Shader *shaderObject = getShader(shader);
+    ASSERT(shaderObject);
+    shaderObject->getInfoLog(this, bufsize, length, infolog);
+}
+
+void Context::getShaderPrecisionFormat(GLenum shadertype,
+                                       GLenum precisiontype,
+                                       GLint *range,
+                                       GLint *precision)
+{
+    // TODO(jmadill): Compute shaders.
+
+    switch (shadertype)
+    {
+        case GL_VERTEX_SHADER:
+            switch (precisiontype)
+            {
+                case GL_LOW_FLOAT:
+                    mState.mCaps.vertexLowpFloat.get(range, precision);
+                    break;
+                case GL_MEDIUM_FLOAT:
+                    mState.mCaps.vertexMediumpFloat.get(range, precision);
+                    break;
+                case GL_HIGH_FLOAT:
+                    mState.mCaps.vertexHighpFloat.get(range, precision);
+                    break;
+
+                case GL_LOW_INT:
+                    mState.mCaps.vertexLowpInt.get(range, precision);
+                    break;
+                case GL_MEDIUM_INT:
+                    mState.mCaps.vertexMediumpInt.get(range, precision);
+                    break;
+                case GL_HIGH_INT:
+                    mState.mCaps.vertexHighpInt.get(range, precision);
+                    break;
+
+                default:
+                    UNREACHABLE();
+                    return;
+            }
+            break;
+
+        case GL_FRAGMENT_SHADER:
+            switch (precisiontype)
+            {
+                case GL_LOW_FLOAT:
+                    mState.mCaps.fragmentLowpFloat.get(range, precision);
+                    break;
+                case GL_MEDIUM_FLOAT:
+                    mState.mCaps.fragmentMediumpFloat.get(range, precision);
+                    break;
+                case GL_HIGH_FLOAT:
+                    mState.mCaps.fragmentHighpFloat.get(range, precision);
+                    break;
+
+                case GL_LOW_INT:
+                    mState.mCaps.fragmentLowpInt.get(range, precision);
+                    break;
+                case GL_MEDIUM_INT:
+                    mState.mCaps.fragmentMediumpInt.get(range, precision);
+                    break;
+                case GL_HIGH_INT:
+                    mState.mCaps.fragmentHighpInt.get(range, precision);
+                    break;
+
+                default:
+                    UNREACHABLE();
+                    return;
+            }
+            break;
+
+        default:
+            UNREACHABLE();
+            return;
+    }
+}
+
+void Context::getShaderSource(ShaderProgramID shader,
+                              GLsizei bufsize,
+                              GLsizei *length,
+                              GLchar *source)
+{
+    Shader *shaderObject = getShader(shader);
+    ASSERT(shaderObject);
+    shaderObject->getSource(bufsize, length, source);
+}
+
+void Context::getUniformfv(ShaderProgramID program, UniformLocation location, GLfloat *params)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->getUniformfv(this, location, params);
+}
+
+void Context::getUniformfvRobust(ShaderProgramID program,
+                                 UniformLocation location,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 GLfloat *params)
+{
+    getUniformfv(program, location, params);
+}
+
+void Context::getUniformiv(ShaderProgramID program, UniformLocation location, GLint *params)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->getUniformiv(this, location, params);
+}
+
+void Context::getUniformivRobust(ShaderProgramID program,
+                                 UniformLocation location,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 GLint *params)
+{
+    getUniformiv(program, location, params);
+}
+
+GLint Context::getUniformLocation(ShaderProgramID program, const GLchar *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    return programObject->getUniformLocation(name).value;
+}
+
+GLboolean Context::isBuffer(BufferID buffer) const
+{
+    if (buffer.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getBuffer(buffer));
+}
+
+GLboolean Context::isEnabled(GLenum cap) const
+{
+    return mState.getEnableFeature(cap);
+}
+
+GLboolean Context::isEnabledi(GLenum target, GLuint index) const
+{
+    return mState.getEnableFeatureIndexed(target, index);
+}
+
+GLboolean Context::isFramebuffer(FramebufferID framebuffer) const
+{
+    if (framebuffer.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getFramebuffer(framebuffer));
+}
+
+GLboolean Context::isProgram(ShaderProgramID program) const
+{
+    if (program.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getProgramNoResolveLink(program));
+}
+
+GLboolean Context::isRenderbuffer(RenderbufferID renderbuffer) const
+{
+    if (renderbuffer.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getRenderbuffer(renderbuffer));
+}
+
+GLboolean Context::isShader(ShaderProgramID shader) const
+{
+    if (shader.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getShader(shader));
+}
+
+GLboolean Context::isTexture(TextureID texture) const
+{
+    if (texture.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getTexture(texture));
+}
+
+void Context::linkProgram(ShaderProgramID program)
+{
+    Program *programObject = getProgramNoResolveLink(program);
+    ASSERT(programObject);
+    ANGLE_CONTEXT_TRY(programObject->link(this));
+    ANGLE_CONTEXT_TRY(onProgramLink(programObject));
+}
+
+void Context::releaseShaderCompiler()
+{
+    mCompiler.set(this, nullptr);
+}
+
+void Context::shaderBinary(GLsizei n,
+                           const ShaderProgramID *shaders,
+                           GLenum binaryformat,
+                           const void *binary,
+                           GLsizei length)
+{
+    // No binary shader formats are supported.
+    UNIMPLEMENTED();
+}
+
+void Context::bindFragDataLocationIndexed(ShaderProgramID program,
+                                          GLuint colorNumber,
+                                          GLuint index,
+                                          const char *name)
+{
+    Program *programObject = getProgramNoResolveLink(program);
+    programObject->bindFragmentOutputLocation(colorNumber, name);
+    programObject->bindFragmentOutputIndex(index, name);
+}
+
+void Context::bindFragDataLocation(ShaderProgramID program, GLuint colorNumber, const char *name)
+{
+    bindFragDataLocationIndexed(program, colorNumber, 0u, name);
+}
+
+int Context::getFragDataIndex(ShaderProgramID program, const char *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    return programObject->getFragDataIndex(name);
+}
+
+int Context::getProgramResourceLocationIndex(ShaderProgramID program,
+                                             GLenum programInterface,
+                                             const char *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programInterface == GL_PROGRAM_OUTPUT);
+    return programObject->getFragDataIndex(name);
+}
+
+void Context::shaderSource(ShaderProgramID shader,
+                           GLsizei count,
+                           const GLchar *const *string,
+                           const GLint *length)
+{
+    Shader *shaderObject = getShader(shader);
+    ASSERT(shaderObject);
+    shaderObject->setSource(count, string, length);
+}
+
+void Context::stencilFunc(GLenum func, GLint ref, GLuint mask)
+{
+    stencilFuncSeparate(GL_FRONT_AND_BACK, func, ref, mask);
+}
+
+void Context::stencilMask(GLuint mask)
+{
+    stencilMaskSeparate(GL_FRONT_AND_BACK, mask);
+}
+
+void Context::stencilOp(GLenum fail, GLenum zfail, GLenum zpass)
+{
+    stencilOpSeparate(GL_FRONT_AND_BACK, fail, zfail, zpass);
+}
+
+void Context::patchParameteri(GLenum pname, GLint value)
+{
+    switch (pname)
+    {
+        case GL_PATCH_VERTICES:
+            mState.setPatchVertices(value);
+            break;
+        default:
+            break;
+    }
+}
+
+Program *Context::getActiveLinkedProgram() const
+{
+    Program *program = mState.getLinkedProgram(this);
+    if (!program)
+    {
+        ProgramPipeline *programPipelineObject = mState.getProgramPipeline();
+        if (programPipelineObject)
+        {
+            program = programPipelineObject->getLinkedActiveShaderProgram(this);
+        }
+    }
+
+    return program;
+}
+
+void Context::uniform1f(UniformLocation location, GLfloat x)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform1fv(location, 1, &x);
+}
+
+void Context::uniform1fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform1fv(location, count, v);
+}
+
+void Context::setUniform1iImpl(Program *program,
+                               UniformLocation location,
+                               GLsizei count,
+                               const GLint *v)
+{
+    program->setUniform1iv(this, location, count, v);
+}
+
+void Context::onSamplerUniformChange(size_t textureUnitIndex)
+{
+    mState.onActiveTextureChange(this, textureUnitIndex);
+    mStateCache.onActiveTextureChange(this);
+}
+
+void Context::uniform1i(UniformLocation location, GLint x)
+{
+    Program *program = getActiveLinkedProgram();
+    setUniform1iImpl(program, location, 1, &x);
+}
+
+void Context::uniform1iv(UniformLocation location, GLsizei count, const GLint *v)
+{
+    Program *program = getActiveLinkedProgram();
+    setUniform1iImpl(program, location, count, v);
+}
+
+void Context::uniform2f(UniformLocation location, GLfloat x, GLfloat y)
+{
+    GLfloat xy[2]    = {x, y};
+    Program *program = getActiveLinkedProgram();
+    program->setUniform2fv(location, 1, xy);
+}
+
+void Context::uniform2fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform2fv(location, count, v);
+}
+
+void Context::uniform2i(UniformLocation location, GLint x, GLint y)
+{
+    GLint xy[2]      = {x, y};
+    Program *program = getActiveLinkedProgram();
+    program->setUniform2iv(location, 1, xy);
+}
+
+void Context::uniform2iv(UniformLocation location, GLsizei count, const GLint *v)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform2iv(location, count, v);
+}
+
+void Context::uniform3f(UniformLocation location, GLfloat x, GLfloat y, GLfloat z)
+{
+    GLfloat xyz[3]   = {x, y, z};
+    Program *program = getActiveLinkedProgram();
+    program->setUniform3fv(location, 1, xyz);
+}
+
+void Context::uniform3fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform3fv(location, count, v);
+}
+
+void Context::uniform3i(UniformLocation location, GLint x, GLint y, GLint z)
+{
+    GLint xyz[3]     = {x, y, z};
+    Program *program = getActiveLinkedProgram();
+    program->setUniform3iv(location, 1, xyz);
+}
+
+void Context::uniform3iv(UniformLocation location, GLsizei count, const GLint *v)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform3iv(location, count, v);
+}
+
+void Context::uniform4f(UniformLocation location, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+    GLfloat xyzw[4]  = {x, y, z, w};
+    Program *program = getActiveLinkedProgram();
+    program->setUniform4fv(location, 1, xyzw);
+}
+
+void Context::uniform4fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform4fv(location, count, v);
+}
+
+void Context::uniform4i(UniformLocation location, GLint x, GLint y, GLint z, GLint w)
+{
+    GLint xyzw[4]    = {x, y, z, w};
+    Program *program = getActiveLinkedProgram();
+    program->setUniform4iv(location, 1, xyzw);
+}
+
+void Context::uniform4iv(UniformLocation location, GLsizei count, const GLint *v)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform4iv(location, count, v);
+}
+
+void Context::uniformMatrix2fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix2fv(location, count, transpose, value);
+}
+
+void Context::uniformMatrix3fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix3fv(location, count, transpose, value);
+}
+
+void Context::uniformMatrix4fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix4fv(location, count, transpose, value);
+}
+
+void Context::validateProgram(ShaderProgramID program)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->validate(mState.mCaps);
+}
+
+void Context::validateProgramPipeline(ProgramPipelineID pipeline)
+{
+    // GLES spec 3.2, Section 7.4 "Program Pipeline Objects"
+    // If pipeline is a name that has been generated (without subsequent deletion) by
+    // GenProgramPipelines, but refers to a program pipeline object that has not been
+    // previously bound, the GL first creates a new state vector in the same manner as
+    // when BindProgramPipeline creates a new program pipeline object.
+    //
+    // void BindProgramPipeline( uint pipeline );
+    // pipeline is the program pipeline object name. The resulting program pipeline
+    // object is a new state vector, comprising all the state and with the same initial values
+    // listed in table 21.20.
+    //
+    // If we do not have a pipeline object that's been created with glBindProgramPipeline, we leave
+    // VALIDATE_STATUS at it's default false value without generating a pipeline object.
+    if (!getProgramPipeline(pipeline))
+    {
+        return;
+    }
+
+    ProgramPipeline *programPipeline =
+        mState.mProgramPipelineManager->checkProgramPipelineAllocation(mImplementation.get(),
+                                                                       pipeline);
+    ASSERT(programPipeline);
+
+    programPipeline->validate(this);
+}
+
+void Context::getProgramBinary(ShaderProgramID program,
+                               GLsizei bufSize,
+                               GLsizei *length,
+                               GLenum *binaryFormat,
+                               void *binary)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject != nullptr);
+
+    ANGLE_CONTEXT_TRY(programObject->saveBinary(this, binaryFormat, binary, bufSize, length));
+}
+
+void Context::programBinary(ShaderProgramID program,
+                            GLenum binaryFormat,
+                            const void *binary,
+                            GLsizei length)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject != nullptr);
+
+    ANGLE_CONTEXT_TRY(programObject->loadBinary(this, binaryFormat, binary, length));
+    ANGLE_CONTEXT_TRY(onProgramLink(programObject));
+}
+
+void Context::uniform1ui(UniformLocation location, GLuint v0)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform1uiv(location, 1, &v0);
+}
+
+void Context::uniform2ui(UniformLocation location, GLuint v0, GLuint v1)
+{
+    Program *program  = getActiveLinkedProgram();
+    const GLuint xy[] = {v0, v1};
+    program->setUniform2uiv(location, 1, xy);
+}
+
+void Context::uniform3ui(UniformLocation location, GLuint v0, GLuint v1, GLuint v2)
+{
+    Program *program   = getActiveLinkedProgram();
+    const GLuint xyz[] = {v0, v1, v2};
+    program->setUniform3uiv(location, 1, xyz);
+}
+
+void Context::uniform4ui(UniformLocation location, GLuint v0, GLuint v1, GLuint v2, GLuint v3)
+{
+    Program *program    = getActiveLinkedProgram();
+    const GLuint xyzw[] = {v0, v1, v2, v3};
+    program->setUniform4uiv(location, 1, xyzw);
+}
+
+void Context::uniform1uiv(UniformLocation location, GLsizei count, const GLuint *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform1uiv(location, count, value);
+}
+void Context::uniform2uiv(UniformLocation location, GLsizei count, const GLuint *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform2uiv(location, count, value);
+}
+
+void Context::uniform3uiv(UniformLocation location, GLsizei count, const GLuint *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform3uiv(location, count, value);
+}
+
+void Context::uniform4uiv(UniformLocation location, GLsizei count, const GLuint *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniform4uiv(location, count, value);
+}
+
+void Context::genQueries(GLsizei n, QueryID *ids)
+{
+    for (GLsizei i = 0; i < n; i++)
+    {
+        QueryID handle = QueryID{mQueryHandleAllocator.allocate()};
+        mQueryMap.assign(handle, nullptr);
+        ids[i] = handle;
+    }
+}
+
+void Context::deleteQueries(GLsizei n, const QueryID *ids)
+{
+    for (int i = 0; i < n; i++)
+    {
+        QueryID query = ids[i];
+
+        Query *queryObject = nullptr;
+        if (mQueryMap.erase(query, &queryObject))
+        {
+            mQueryHandleAllocator.release(query.value);
+            if (queryObject)
+            {
+                queryObject->release(this);
+            }
+        }
+    }
+}
+
+bool Context::isQueryGenerated(QueryID query) const
+{
+    return mQueryMap.contains(query);
+}
+
+GLboolean Context::isQuery(QueryID id) const
+{
+    return ConvertToGLBoolean(getQuery(id) != nullptr);
+}
+
+void Context::uniformMatrix2x3fv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix2x3fv(location, count, transpose, value);
+}
+
+void Context::uniformMatrix3x2fv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix3x2fv(location, count, transpose, value);
+}
+
+void Context::uniformMatrix2x4fv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix2x4fv(location, count, transpose, value);
+}
+
+void Context::uniformMatrix4x2fv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix4x2fv(location, count, transpose, value);
+}
+
+void Context::uniformMatrix3x4fv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix3x4fv(location, count, transpose, value);
+}
+
+void Context::uniformMatrix4x3fv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLfloat *value)
+{
+    Program *program = getActiveLinkedProgram();
+    program->setUniformMatrix4x3fv(location, count, transpose, value);
+}
+
+void Context::deleteVertexArrays(GLsizei n, const VertexArrayID *arrays)
+{
+    for (int arrayIndex = 0; arrayIndex < n; arrayIndex++)
+    {
+        VertexArrayID vertexArray = arrays[arrayIndex];
+
+        if (arrays[arrayIndex].value != 0)
+        {
+            VertexArray *vertexArrayObject = nullptr;
+            if (mVertexArrayMap.erase(vertexArray, &vertexArrayObject))
+            {
+                if (vertexArrayObject != nullptr)
+                {
+                    detachVertexArray(vertexArray);
+                    vertexArrayObject->onDestroy(this);
+                }
+
+                mVertexArrayHandleAllocator.release(vertexArray.value);
+            }
+        }
+    }
+}
+
+void Context::genVertexArrays(GLsizei n, VertexArrayID *arrays)
+{
+    for (int arrayIndex = 0; arrayIndex < n; arrayIndex++)
+    {
+        VertexArrayID vertexArray = {mVertexArrayHandleAllocator.allocate()};
+        mVertexArrayMap.assign(vertexArray, nullptr);
+        arrays[arrayIndex] = vertexArray;
+    }
+}
+
+GLboolean Context::isVertexArray(VertexArrayID array) const
+{
+    if (array.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    VertexArray *vao = getVertexArray(array);
+    return ConvertToGLBoolean(vao != nullptr);
+}
+
+void Context::endTransformFeedback()
+{
+    TransformFeedback *transformFeedback = mState.getCurrentTransformFeedback();
+    ANGLE_CONTEXT_TRY(transformFeedback->end(this));
+    mStateCache.onActiveTransformFeedbackChange(this);
+}
+
+void Context::transformFeedbackVaryings(ShaderProgramID program,
+                                        GLsizei count,
+                                        const GLchar *const *varyings,
+                                        GLenum bufferMode)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setTransformFeedbackVaryings(count, varyings, bufferMode);
+}
+
+void Context::getTransformFeedbackVarying(ShaderProgramID program,
+                                          GLuint index,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLsizei *size,
+                                          GLenum *type,
+                                          GLchar *name)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->getTransformFeedbackVarying(index, bufSize, length, size, type, name);
+}
+
+void Context::deleteTransformFeedbacks(GLsizei n, const TransformFeedbackID *ids)
+{
+    for (int i = 0; i < n; i++)
+    {
+        TransformFeedbackID transformFeedback = ids[i];
+        if (transformFeedback.value == 0)
+        {
+            continue;
+        }
+
+        TransformFeedback *transformFeedbackObject = nullptr;
+        if (mTransformFeedbackMap.erase(transformFeedback, &transformFeedbackObject))
+        {
+            if (transformFeedbackObject != nullptr)
+            {
+                detachTransformFeedback(transformFeedback);
+                transformFeedbackObject->release(this);
+            }
+
+            mTransformFeedbackHandleAllocator.release(transformFeedback.value);
+        }
+    }
+}
+
+void Context::genTransformFeedbacks(GLsizei n, TransformFeedbackID *ids)
+{
+    for (int i = 0; i < n; i++)
+    {
+        TransformFeedbackID transformFeedback = {mTransformFeedbackHandleAllocator.allocate()};
+        mTransformFeedbackMap.assign(transformFeedback, nullptr);
+        ids[i] = transformFeedback;
+    }
+}
+
+GLboolean Context::isTransformFeedback(TransformFeedbackID id) const
+{
+    if (id.value == 0)
+    {
+        // The 3.0.4 spec [section 6.1.11] states that if ID is zero, IsTransformFeedback
+        // returns FALSE
+        return GL_FALSE;
+    }
+
+    const TransformFeedback *transformFeedback = getTransformFeedback(id);
+    return ConvertToGLBoolean(transformFeedback != nullptr);
+}
+
+void Context::pauseTransformFeedback()
+{
+    TransformFeedback *transformFeedback = mState.getCurrentTransformFeedback();
+    ANGLE_CONTEXT_TRY(transformFeedback->pause(this));
+    mStateCache.onActiveTransformFeedbackChange(this);
+}
+
+void Context::resumeTransformFeedback()
+{
+    TransformFeedback *transformFeedback = mState.getCurrentTransformFeedback();
+    ANGLE_CONTEXT_TRY(transformFeedback->resume(this));
+    mStateCache.onActiveTransformFeedbackChange(this);
+}
+
+void Context::getUniformuiv(ShaderProgramID program, UniformLocation location, GLuint *params)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    programObject->getUniformuiv(this, location, params);
+}
+
+void Context::getUniformuivRobust(ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLuint *params)
+{
+    getUniformuiv(program, location, params);
+}
+
+GLint Context::getFragDataLocation(ShaderProgramID program, const GLchar *name)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    return programObject->getFragDataLocation(name);
+}
+
+void Context::getUniformIndices(ShaderProgramID program,
+                                GLsizei uniformCount,
+                                const GLchar *const *uniformNames,
+                                GLuint *uniformIndices)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    if (!programObject->isLinked())
+    {
+        for (int uniformId = 0; uniformId < uniformCount; uniformId++)
+        {
+            uniformIndices[uniformId] = GL_INVALID_INDEX;
+        }
+    }
+    else
+    {
+        for (int uniformId = 0; uniformId < uniformCount; uniformId++)
+        {
+            uniformIndices[uniformId] = programObject->getUniformIndex(uniformNames[uniformId]);
+        }
+    }
+}
+
+void Context::getActiveUniformsiv(ShaderProgramID program,
+                                  GLsizei uniformCount,
+                                  const GLuint *uniformIndices,
+                                  GLenum pname,
+                                  GLint *params)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    for (int uniformId = 0; uniformId < uniformCount; uniformId++)
+    {
+        const GLuint index = uniformIndices[uniformId];
+        params[uniformId]  = GetUniformResourceProperty(programObject, index, pname);
+    }
+}
+
+GLuint Context::getUniformBlockIndex(ShaderProgramID program, const GLchar *uniformBlockName)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    return programObject->getUniformBlockIndex(uniformBlockName);
+}
+
+void Context::getActiveUniformBlockiv(ShaderProgramID program,
+                                      UniformBlockIndex uniformBlockIndex,
+                                      GLenum pname,
+                                      GLint *params)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    QueryActiveUniformBlockiv(programObject, uniformBlockIndex, pname, params);
+}
+
+void Context::getActiveUniformBlockivRobust(ShaderProgramID program,
+                                            UniformBlockIndex uniformBlockIndex,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLint *params)
+{
+    getActiveUniformBlockiv(program, uniformBlockIndex, pname, params);
+}
+
+void Context::getActiveUniformBlockName(ShaderProgramID program,
+                                        UniformBlockIndex uniformBlockIndex,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLchar *uniformBlockName)
+{
+    const Program *programObject = getProgramResolveLink(program);
+    programObject->getActiveUniformBlockName(this, uniformBlockIndex, bufSize, length,
+                                             uniformBlockName);
+}
+
+void Context::uniformBlockBinding(ShaderProgramID program,
+                                  UniformBlockIndex uniformBlockIndex,
+                                  GLuint uniformBlockBinding)
+{
+    Program *programObject = getProgramResolveLink(program);
+    programObject->bindUniformBlock(uniformBlockIndex, uniformBlockBinding);
+
+    // Note: If the Program is shared between Contexts we would be better using Observer/Subject.
+    if (programObject->isInUse())
+    {
+        mState.setObjectDirty(GL_PROGRAM);
+        mStateCache.onUniformBufferStateChange(this);
+    }
+}
+
+GLsync Context::fenceSync(GLenum condition, GLbitfield flags)
+{
+    GLuint handle     = mState.mSyncManager->createSync(mImplementation.get());
+    GLsync syncHandle = reinterpret_cast<GLsync>(static_cast<uintptr_t>(handle));
+
+    Sync *syncObject = getSync(syncHandle);
+    if (syncObject->set(this, condition, flags) == angle::Result::Stop)
+    {
+        deleteSync(syncHandle);
+        return nullptr;
+    }
+
+    return syncHandle;
+}
+
+GLboolean Context::isSync(GLsync sync) const
+{
+    return (getSync(sync) != nullptr);
+}
+
+GLenum Context::clientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
+{
+    Sync *syncObject = getSync(sync);
+
+    GLenum result = GL_WAIT_FAILED;
+    if (syncObject->clientWait(this, flags, timeout, &result) == angle::Result::Stop)
+    {
+        return GL_WAIT_FAILED;
+    }
+    return result;
+}
+
+void Context::waitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
+{
+    Sync *syncObject = getSync(sync);
+    ANGLE_CONTEXT_TRY(syncObject->serverWait(this, flags, timeout));
+}
+
+void Context::getInteger64v(GLenum pname, GLint64 *params)
+{
+    GLenum nativeType      = GL_NONE;
+    unsigned int numParams = 0;
+    getQueryParameterInfo(pname, &nativeType, &numParams);
+
+    if (nativeType == GL_INT_64_ANGLEX)
+    {
+        getInteger64vImpl(pname, params);
+    }
+    else
+    {
+        CastStateValues(this, nativeType, pname, numParams, params);
+    }
+}
+
+void Context::getInteger64vRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLint64 *data)
+{
+    getInteger64v(pname, data);
+}
+
+void Context::getBufferParameteri64v(BufferBinding target, GLenum pname, GLint64 *params)
+{
+    Buffer *buffer = mState.getTargetBuffer(target);
+    QueryBufferParameteri64v(buffer, pname, params);
+}
+
+void Context::getBufferParameteri64vRobust(BufferBinding target,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint64 *params)
+{
+    getBufferParameteri64v(target, pname, params);
+}
+
+void Context::genSamplers(GLsizei count, SamplerID *samplers)
+{
+    for (int i = 0; i < count; i++)
+    {
+        samplers[i] = mState.mSamplerManager->createSampler();
+    }
+}
+
+void Context::deleteSamplers(GLsizei count, const SamplerID *samplers)
+{
+    for (int i = 0; i < count; i++)
+    {
+        SamplerID sampler = samplers[i];
+
+        if (mState.mSamplerManager->getSampler(sampler))
+        {
+            detachSampler(sampler);
+        }
+
+        mState.mSamplerManager->deleteObject(this, sampler);
+    }
+}
+
+void Context::minSampleShading(GLfloat value)
+{
+    mState.setMinSampleShading(value);
+}
+
+void Context::getInternalformativ(GLenum target,
+                                  GLenum internalformat,
+                                  GLenum pname,
+                                  GLsizei bufSize,
+                                  GLint *params)
+{
+    const TextureCaps &formatCaps = mState.mTextureCaps.get(internalformat);
+    QueryInternalFormativ(formatCaps, pname, bufSize, params);
+}
+
+void Context::getInternalformativRobust(GLenum target,
+                                        GLenum internalformat,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLint *params)
+{
+    getInternalformativ(target, internalformat, pname, bufSize, params);
+}
+
+void Context::programUniform1i(ShaderProgramID program, UniformLocation location, GLint v0)
+{
+    programUniform1iv(program, location, 1, &v0);
+}
+
+void Context::programUniform2i(ShaderProgramID program,
+                               UniformLocation location,
+                               GLint v0,
+                               GLint v1)
+{
+    GLint xy[2] = {v0, v1};
+    programUniform2iv(program, location, 1, xy);
+}
+
+void Context::programUniform3i(ShaderProgramID program,
+                               UniformLocation location,
+                               GLint v0,
+                               GLint v1,
+                               GLint v2)
+{
+    GLint xyz[3] = {v0, v1, v2};
+    programUniform3iv(program, location, 1, xyz);
+}
+
+void Context::programUniform4i(ShaderProgramID program,
+                               UniformLocation location,
+                               GLint v0,
+                               GLint v1,
+                               GLint v2,
+                               GLint v3)
+{
+    GLint xyzw[4] = {v0, v1, v2, v3};
+    programUniform4iv(program, location, 1, xyzw);
+}
+
+void Context::programUniform1ui(ShaderProgramID program, UniformLocation location, GLuint v0)
+{
+    programUniform1uiv(program, location, 1, &v0);
+}
+
+void Context::programUniform2ui(ShaderProgramID program,
+                                UniformLocation location,
+                                GLuint v0,
+                                GLuint v1)
+{
+    GLuint xy[2] = {v0, v1};
+    programUniform2uiv(program, location, 1, xy);
+}
+
+void Context::programUniform3ui(ShaderProgramID program,
+                                UniformLocation location,
+                                GLuint v0,
+                                GLuint v1,
+                                GLuint v2)
+{
+    GLuint xyz[3] = {v0, v1, v2};
+    programUniform3uiv(program, location, 1, xyz);
+}
+
+void Context::programUniform4ui(ShaderProgramID program,
+                                UniformLocation location,
+                                GLuint v0,
+                                GLuint v1,
+                                GLuint v2,
+                                GLuint v3)
+{
+    GLuint xyzw[4] = {v0, v1, v2, v3};
+    programUniform4uiv(program, location, 1, xyzw);
+}
+
+void Context::programUniform1f(ShaderProgramID program, UniformLocation location, GLfloat v0)
+{
+    programUniform1fv(program, location, 1, &v0);
+}
+
+void Context::programUniform2f(ShaderProgramID program,
+                               UniformLocation location,
+                               GLfloat v0,
+                               GLfloat v1)
+{
+    GLfloat xy[2] = {v0, v1};
+    programUniform2fv(program, location, 1, xy);
+}
+
+void Context::programUniform3f(ShaderProgramID program,
+                               UniformLocation location,
+                               GLfloat v0,
+                               GLfloat v1,
+                               GLfloat v2)
+{
+    GLfloat xyz[3] = {v0, v1, v2};
+    programUniform3fv(program, location, 1, xyz);
+}
+
+void Context::programUniform4f(ShaderProgramID program,
+                               UniformLocation location,
+                               GLfloat v0,
+                               GLfloat v1,
+                               GLfloat v2,
+                               GLfloat v3)
+{
+    GLfloat xyzw[4] = {v0, v1, v2, v3};
+    programUniform4fv(program, location, 1, xyzw);
+}
+
+void Context::programUniform1iv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    setUniform1iImpl(programObject, location, count, value);
+}
+
+void Context::programUniform2iv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform2iv(location, count, value);
+}
+
+void Context::programUniform3iv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform3iv(location, count, value);
+}
+
+void Context::programUniform4iv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform4iv(location, count, value);
+}
+
+void Context::programUniform1uiv(ShaderProgramID program,
+                                 UniformLocation location,
+                                 GLsizei count,
+                                 const GLuint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform1uiv(location, count, value);
+}
+
+void Context::programUniform2uiv(ShaderProgramID program,
+                                 UniformLocation location,
+                                 GLsizei count,
+                                 const GLuint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform2uiv(location, count, value);
+}
+
+void Context::programUniform3uiv(ShaderProgramID program,
+                                 UniformLocation location,
+                                 GLsizei count,
+                                 const GLuint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform3uiv(location, count, value);
+}
+
+void Context::programUniform4uiv(ShaderProgramID program,
+                                 UniformLocation location,
+                                 GLsizei count,
+                                 const GLuint *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform4uiv(location, count, value);
+}
+
+void Context::programUniform1fv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform1fv(location, count, value);
+}
+
+void Context::programUniform2fv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform2fv(location, count, value);
+}
+
+void Context::programUniform3fv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform3fv(location, count, value);
+}
+
+void Context::programUniform4fv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniform4fv(location, count, value);
+}
+
+void Context::programUniformMatrix2fv(ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose,
+                                      const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix2fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix3fv(ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose,
+                                      const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix3fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix4fv(ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose,
+                                      const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix4fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix2x3fv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix2x3fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix3x2fv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix3x2fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix2x4fv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix2x4fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix4x2fv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix4x2fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix3x4fv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix3x4fv(location, count, transpose, value);
+}
+
+void Context::programUniformMatrix4x3fv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+    programObject->setUniformMatrix4x3fv(location, count, transpose, value);
+}
+
+bool Context::isCurrentTransformFeedback(const TransformFeedback *tf) const
+{
+    return mState.isCurrentTransformFeedback(tf);
+}
+
+void Context::genProgramPipelines(GLsizei count, ProgramPipelineID *pipelines)
+{
+    for (int i = 0; i < count; i++)
+    {
+        pipelines[i] = createProgramPipeline();
+    }
+}
+
+void Context::deleteProgramPipelines(GLsizei count, const ProgramPipelineID *pipelines)
+{
+    for (int i = 0; i < count; i++)
+    {
+        if (pipelines[i].value != 0)
+        {
+            deleteProgramPipeline(pipelines[i]);
+        }
+    }
+}
+
+GLboolean Context::isProgramPipeline(ProgramPipelineID pipeline) const
+{
+    if (pipeline.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    if (getProgramPipeline(pipeline))
+    {
+        return GL_TRUE;
+    }
+
+    return GL_FALSE;
+}
+
+void Context::finishFenceNV(FenceNVID fence)
+{
+    FenceNV *fenceObject = getFenceNV(fence);
+
+    ASSERT(fenceObject && fenceObject->isSet());
+    ANGLE_CONTEXT_TRY(fenceObject->finish(this));
+}
+
+void Context::getFenceivNV(FenceNVID fence, GLenum pname, GLint *params)
+{
+    FenceNV *fenceObject = getFenceNV(fence);
+
+    ASSERT(fenceObject && fenceObject->isSet());
+
+    switch (pname)
+    {
+        case GL_FENCE_STATUS_NV:
+        {
+            // GL_NV_fence spec:
+            // Once the status of a fence has been finished (via FinishFenceNV) or tested and
+            // the returned status is TRUE (via either TestFenceNV or GetFenceivNV querying the
+            // FENCE_STATUS_NV), the status remains TRUE until the next SetFenceNV of the fence.
+            GLboolean status = GL_TRUE;
+            if (fenceObject->getStatus() != GL_TRUE)
+            {
+                ANGLE_CONTEXT_TRY(fenceObject->test(this, &status));
+            }
+            *params = status;
+            break;
+        }
+
+        case GL_FENCE_CONDITION_NV:
+        {
+            *params = static_cast<GLint>(fenceObject->getCondition());
+            break;
+        }
+
+        default:
+            UNREACHABLE();
+    }
+}
+
+void Context::getTranslatedShaderSource(ShaderProgramID shader,
+                                        GLsizei bufsize,
+                                        GLsizei *length,
+                                        GLchar *source)
+{
+    Shader *shaderObject = getShader(shader);
+    ASSERT(shaderObject);
+    shaderObject->getTranslatedSourceWithDebugInfo(this, bufsize, length, source);
+}
+
+void Context::getnUniformfv(ShaderProgramID program,
+                            UniformLocation location,
+                            GLsizei bufSize,
+                            GLfloat *params)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+
+    programObject->getUniformfv(this, location, params);
+}
+
+void Context::getnUniformfvRobust(ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLfloat *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnUniformiv(ShaderProgramID program,
+                            UniformLocation location,
+                            GLsizei bufSize,
+                            GLint *params)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+
+    programObject->getUniformiv(this, location, params);
+}
+
+void Context::getnUniformuiv(ShaderProgramID program,
+                             UniformLocation location,
+                             GLsizei bufSize,
+                             GLuint *params)
+{
+    Program *programObject = getProgramResolveLink(program);
+    ASSERT(programObject);
+
+    programObject->getUniformuiv(this, location, params);
+}
+
+void Context::getnUniformivRobust(ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnUniformuivRobust(ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLuint *params)
+{
+    UNIMPLEMENTED();
+}
+
+GLboolean Context::isFenceNV(FenceNVID fence) const
+{
+    FenceNV *fenceObject = getFenceNV(fence);
+
+    if (fenceObject == nullptr)
+    {
+        return GL_FALSE;
+    }
+
+    // GL_NV_fence spec:
+    // A name returned by GenFencesNV, but not yet set via SetFenceNV, is not the name of an
+    // existing fence.
+    return fenceObject->isSet();
+}
+
+void Context::readnPixels(GLint x,
+                          GLint y,
+                          GLsizei width,
+                          GLsizei height,
+                          GLenum format,
+                          GLenum type,
+                          GLsizei bufSize,
+                          void *data)
+{
+    return readPixels(x, y, width, height, format, type, data);
+}
+
+void Context::setFenceNV(FenceNVID fence, GLenum condition)
+{
+    ASSERT(condition == GL_ALL_COMPLETED_NV);
+
+    FenceNV *fenceObject = getFenceNV(fence);
+    ASSERT(fenceObject != nullptr);
+    ANGLE_CONTEXT_TRY(fenceObject->set(this, condition));
+}
+
+GLboolean Context::testFenceNV(FenceNVID fence)
+{
+    FenceNV *fenceObject = getFenceNV(fence);
+
+    ASSERT(fenceObject != nullptr);
+    ASSERT(fenceObject->isSet() == GL_TRUE);
+
+    GLboolean result = GL_TRUE;
+    if (fenceObject->test(this, &result) == angle::Result::Stop)
+    {
+        return GL_TRUE;
+    }
+
+    return result;
+}
+
+void Context::deleteMemoryObjects(GLsizei n, const MemoryObjectID *memoryObjects)
+{
+    for (int i = 0; i < n; i++)
+    {
+        deleteMemoryObject(memoryObjects[i]);
+    }
+}
+
+GLboolean Context::isMemoryObject(MemoryObjectID memoryObject) const
+{
+    if (memoryObject.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getMemoryObject(memoryObject));
+}
+
+void Context::createMemoryObjects(GLsizei n, MemoryObjectID *memoryObjects)
+{
+    for (int i = 0; i < n; i++)
+    {
+        memoryObjects[i] = createMemoryObject();
+    }
+}
+
+void Context::memoryObjectParameteriv(MemoryObjectID memory, GLenum pname, const GLint *params)
+{
+    MemoryObject *memoryObject = getMemoryObject(memory);
+    ASSERT(memoryObject);
+    ANGLE_CONTEXT_TRY(SetMemoryObjectParameteriv(this, memoryObject, pname, params));
+}
+
+void Context::getMemoryObjectParameteriv(MemoryObjectID memory, GLenum pname, GLint *params)
+{
+    const MemoryObject *memoryObject = getMemoryObject(memory);
+    ASSERT(memoryObject);
+    QueryMemoryObjectParameteriv(memoryObject, pname, params);
+}
+
+void Context::texStorageMem2D(TextureType target,
+                              GLsizei levels,
+                              GLenum internalFormat,
+                              GLsizei width,
+                              GLsizei height,
+                              MemoryObjectID memory,
+                              GLuint64 offset)
+{
+    texStorageMemFlags2D(target, levels, internalFormat, width, height, memory, offset, 0,
+                         std::numeric_limits<uint32_t>::max(), nullptr);
+}
+
+void Context::texStorageMem2DMultisample(TextureType target,
+                                         GLsizei samples,
+                                         GLenum internalFormat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLboolean fixedSampleLocations,
+                                         MemoryObjectID memory,
+                                         GLuint64 offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texStorageMem3D(TextureType target,
+                              GLsizei levels,
+                              GLenum internalFormat,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              MemoryObjectID memory,
+                              GLuint64 offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texStorageMem3DMultisample(TextureType target,
+                                         GLsizei samples,
+                                         GLenum internalFormat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLboolean fixedSampleLocations,
+                                         MemoryObjectID memory,
+                                         GLuint64 offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bufferStorageMem(TextureType target,
+                               GLsizeiptr size,
+                               MemoryObjectID memory,
+                               GLuint64 offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::importMemoryFd(MemoryObjectID memory, GLuint64 size, HandleType handleType, GLint fd)
+{
+    MemoryObject *memoryObject = getMemoryObject(memory);
+    ASSERT(memoryObject != nullptr);
+    ANGLE_CONTEXT_TRY(memoryObject->importFd(this, size, handleType, fd));
+}
+
+void Context::texStorageMemFlags2D(TextureType target,
+                                   GLsizei levels,
+                                   GLenum internalFormat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   MemoryObjectID memory,
+                                   GLuint64 offset,
+                                   GLbitfield createFlags,
+                                   GLbitfield usageFlags,
+                                   const void *imageCreateInfoPNext)
+{
+    MemoryObject *memoryObject = getMemoryObject(memory);
+    ASSERT(memoryObject);
+    Extents size(width, height, 1);
+    Texture *texture = getTextureByType(target);
+    ANGLE_CONTEXT_TRY(texture->setStorageExternalMemory(this, target, levels, internalFormat, size,
+                                                        memoryObject, offset, createFlags,
+                                                        usageFlags, imageCreateInfoPNext));
+}
+
+void Context::texStorageMemFlags2DMultisample(TextureType target,
+                                              GLsizei samples,
+                                              GLenum internalFormat,
+                                              GLsizei width,
+                                              GLsizei height,
+                                              GLboolean fixedSampleLocations,
+                                              MemoryObjectID memory,
+                                              GLuint64 offset,
+                                              GLbitfield createFlags,
+                                              GLbitfield usageFlags,
+                                              const void *imageCreateInfoPNext)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texStorageMemFlags3D(TextureType target,
+                                   GLsizei levels,
+                                   GLenum internalFormat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth,
+                                   MemoryObjectID memory,
+                                   GLuint64 offset,
+                                   GLbitfield createFlags,
+                                   GLbitfield usageFlags,
+                                   const void *imageCreateInfoPNext)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texStorageMemFlags3DMultisample(TextureType target,
+                                              GLsizei samples,
+                                              GLenum internalFormat,
+                                              GLsizei width,
+                                              GLsizei height,
+                                              GLsizei depth,
+                                              GLboolean fixedSampleLocations,
+                                              MemoryObjectID memory,
+                                              GLuint64 offset,
+                                              GLbitfield createFlags,
+                                              GLbitfield usageFlags,
+                                              const void *imageCreateInfoPNext)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::importMemoryZirconHandle(MemoryObjectID memory,
+                                       GLuint64 size,
+                                       HandleType handleType,
+                                       GLuint handle)
+{
+    MemoryObject *memoryObject = getMemoryObject(memory);
+    ASSERT(memoryObject != nullptr);
+    ANGLE_CONTEXT_TRY(memoryObject->importZirconHandle(this, size, handleType, handle));
+}
+
+void Context::genSemaphores(GLsizei n, SemaphoreID *semaphores)
+{
+    for (int i = 0; i < n; i++)
+    {
+        semaphores[i] = createSemaphore();
+    }
+}
+
+void Context::deleteSemaphores(GLsizei n, const SemaphoreID *semaphores)
+{
+    for (int i = 0; i < n; i++)
+    {
+        deleteSemaphore(semaphores[i]);
+    }
+}
+
+GLboolean Context::isSemaphore(SemaphoreID semaphore) const
+{
+    if (semaphore.value == 0)
+    {
+        return GL_FALSE;
+    }
+
+    return ConvertToGLBoolean(getSemaphore(semaphore));
+}
+
+void Context::semaphoreParameterui64v(SemaphoreID semaphore, GLenum pname, const GLuint64 *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getSemaphoreParameterui64v(SemaphoreID semaphore, GLenum pname, GLuint64 *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::acquireTextures(GLuint numTextures,
+                              const TextureID *textureIds,
+                              const GLenum *layouts)
+{
+    TextureBarrierVector textureBarriers(numTextures);
+    for (size_t i = 0; i < numTextures; i++)
+    {
+        textureBarriers[i].texture = getTexture(textureIds[i]);
+        textureBarriers[i].layout  = layouts[i];
+    }
+    ANGLE_CONTEXT_TRY(mImplementation->acquireTextures(this, textureBarriers));
+}
+
+void Context::releaseTextures(GLuint numTextures, const TextureID *textureIds, GLenum *layouts)
+{
+    TextureBarrierVector textureBarriers(numTextures);
+    for (size_t i = 0; i < numTextures; i++)
+    {
+        textureBarriers[i].texture = getTexture(textureIds[i]);
+    }
+    ANGLE_CONTEXT_TRY(mImplementation->releaseTextures(this, &textureBarriers));
+    for (size_t i = 0; i < numTextures; i++)
+    {
+        layouts[i] = textureBarriers[i].layout;
+    }
+}
+
+void Context::waitSemaphore(SemaphoreID semaphoreHandle,
+                            GLuint numBufferBarriers,
+                            const BufferID *buffers,
+                            GLuint numTextureBarriers,
+                            const TextureID *textures,
+                            const GLenum *srcLayouts)
+{
+    Semaphore *semaphore = getSemaphore(semaphoreHandle);
+    ASSERT(semaphore);
+
+    BufferBarrierVector bufferBarriers(numBufferBarriers);
+    for (GLuint bufferBarrierIdx = 0; bufferBarrierIdx < numBufferBarriers; bufferBarrierIdx++)
+    {
+        bufferBarriers[bufferBarrierIdx] = getBuffer(buffers[bufferBarrierIdx]);
+    }
+
+    TextureBarrierVector textureBarriers(numTextureBarriers);
+    for (GLuint textureBarrierIdx = 0; textureBarrierIdx < numTextureBarriers; textureBarrierIdx++)
+    {
+        textureBarriers[textureBarrierIdx].texture = getTexture(textures[textureBarrierIdx]);
+        textureBarriers[textureBarrierIdx].layout  = srcLayouts[textureBarrierIdx];
+    }
+
+    ANGLE_CONTEXT_TRY(semaphore->wait(this, bufferBarriers, textureBarriers));
+}
+
+void Context::signalSemaphore(SemaphoreID semaphoreHandle,
+                              GLuint numBufferBarriers,
+                              const BufferID *buffers,
+                              GLuint numTextureBarriers,
+                              const TextureID *textures,
+                              const GLenum *dstLayouts)
+{
+    Semaphore *semaphore = getSemaphore(semaphoreHandle);
+    ASSERT(semaphore);
+
+    BufferBarrierVector bufferBarriers(numBufferBarriers);
+    for (GLuint bufferBarrierIdx = 0; bufferBarrierIdx < numBufferBarriers; bufferBarrierIdx++)
+    {
+        bufferBarriers[bufferBarrierIdx] = getBuffer(buffers[bufferBarrierIdx]);
+    }
+
+    TextureBarrierVector textureBarriers(numTextureBarriers);
+    for (GLuint textureBarrierIdx = 0; textureBarrierIdx < numTextureBarriers; textureBarrierIdx++)
+    {
+        textureBarriers[textureBarrierIdx].texture = getTexture(textures[textureBarrierIdx]);
+        textureBarriers[textureBarrierIdx].layout  = dstLayouts[textureBarrierIdx];
+    }
+
+    ANGLE_CONTEXT_TRY(semaphore->signal(this, bufferBarriers, textureBarriers));
+}
+
+void Context::importSemaphoreFd(SemaphoreID semaphore, HandleType handleType, GLint fd)
+{
+    Semaphore *semaphoreObject = getSemaphore(semaphore);
+    ASSERT(semaphoreObject != nullptr);
+    ANGLE_CONTEXT_TRY(semaphoreObject->importFd(this, handleType, fd));
+}
+
+void Context::importSemaphoreZirconHandle(SemaphoreID semaphore,
+                                          HandleType handleType,
+                                          GLuint handle)
+{
+    Semaphore *semaphoreObject = getSemaphore(semaphore);
+    ASSERT(semaphoreObject != nullptr);
+    ANGLE_CONTEXT_TRY(semaphoreObject->importZirconHandle(this, handleType, handle));
+}
+
+void Context::framebufferMemorylessPixelLocalStorage(GLint plane, GLenum internalformat)
+{
+    Framebuffer *framebuffer = mState.getDrawFramebuffer();
+    ASSERT(framebuffer);
+    PixelLocalStorage &pls = framebuffer->getPixelLocalStorage(this);
+
+    if (internalformat == GL_NONE)
+    {
+        pls.deinitialize(this, plane);
+    }
+    else
+    {
+        pls.setMemoryless(this, plane, internalformat);
+    }
+}
+
+void Context::framebufferTexturePixelLocalStorage(GLint plane,
+                                                  TextureID backingtexture,
+                                                  GLint level,
+                                                  GLint layer)
+{
+    Framebuffer *framebuffer = mState.getDrawFramebuffer();
+    ASSERT(framebuffer);
+    PixelLocalStorage &pls = framebuffer->getPixelLocalStorage(this);
+
+    if (backingtexture.value == 0)
+    {
+        pls.deinitialize(this, plane);
+    }
+    else
+    {
+        Texture *tex = getTexture(backingtexture);
+        ASSERT(tex);  // Validation guarantees this.
+        pls.setTextureBacked(this, plane, tex, level, layer);
+    }
+}
+
+void Context::beginPixelLocalStorage(GLsizei planes, const GLenum loadops[], const void *cleardata)
+{
+    Framebuffer *framebuffer = mState.getDrawFramebuffer();
+    ASSERT(framebuffer);
+    PixelLocalStorage &pls = framebuffer->getPixelLocalStorage(this);
+
+    pls.begin(this, planes, loadops, cleardata);
+    mState.setPixelLocalStorageActive(true);
+}
+
+void Context::endPixelLocalStorage()
+{
+    Framebuffer *framebuffer = mState.getDrawFramebuffer();
+    ASSERT(framebuffer);
+    PixelLocalStorage &pls = framebuffer->getPixelLocalStorage(this);
+
+    pls.end(this);
+    mState.setPixelLocalStorageActive(false);
+}
+
+void Context::pixelLocalStorageBarrier()
+{
+    if (getExtensions().shaderPixelLocalStorageCoherentANGLE)
+    {
+        return;
+    }
+
+    Framebuffer *framebuffer = mState.getDrawFramebuffer();
+    ASSERT(framebuffer);
+    PixelLocalStorage &pls = framebuffer->getPixelLocalStorage(this);
+
+    pls.barrier(this);
+}
+
+void Context::eGLImageTargetTexStorage(GLenum target, GLeglImageOES image, const GLint *attrib_list)
+{
+    Texture *texture        = getTextureByType(FromGLenum<TextureType>(target));
+    egl::Image *imageObject = static_cast<egl::Image *>(image);
+    ANGLE_CONTEXT_TRY(texture->setStorageEGLImageTarget(this, FromGLenum<TextureType>(target),
+                                                        imageObject, attrib_list));
+}
+
+void Context::eGLImageTargetTextureStorage(GLuint texture,
+                                           GLeglImageOES image,
+                                           const GLint *attrib_list)
+{
+    return;
+}
+
+void Context::eGLImageTargetTexture2D(TextureType target, GLeglImageOES image)
+{
+    Texture *texture        = getTextureByType(target);
+    egl::Image *imageObject = static_cast<egl::Image *>(image);
+    ANGLE_CONTEXT_TRY(texture->setEGLImageTarget(this, target, imageObject));
+}
+
+void Context::eGLImageTargetRenderbufferStorage(GLenum target, GLeglImageOES image)
+{
+    Renderbuffer *renderbuffer = mState.getCurrentRenderbuffer();
+    egl::Image *imageObject    = static_cast<egl::Image *>(image);
+    ANGLE_CONTEXT_TRY(renderbuffer->setStorageEGLImageTarget(this, imageObject));
+}
+
+void Context::framebufferFetchBarrier()
+{
+    mImplementation->framebufferFetchBarrier();
+}
+
+void Context::texStorage1D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width)
+{
+    UNIMPLEMENTED();
+}
+
+bool Context::getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams) const
+{
+    return GetQueryParameterInfo(mState, pname, type, numParams);
+}
+
+bool Context::getIndexedQueryParameterInfo(GLenum target,
+                                           GLenum *type,
+                                           unsigned int *numParams) const
+{
+    if (getClientVersion() < Version(3, 0))
+    {
+        return false;
+    }
+
+    switch (target)
+    {
+        case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
+        case GL_UNIFORM_BUFFER_BINDING:
+        {
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        }
+        case GL_TRANSFORM_FEEDBACK_BUFFER_START:
+        case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
+        case GL_UNIFORM_BUFFER_START:
+        case GL_UNIFORM_BUFFER_SIZE:
+        {
+            *type      = GL_INT_64_ANGLEX;
+            *numParams = 1;
+            return true;
+        }
+    }
+
+    if (mSupportedExtensions.drawBuffersIndexedAny())
+    {
+        switch (target)
+        {
+            case GL_BLEND_SRC_RGB:
+            case GL_BLEND_SRC_ALPHA:
+            case GL_BLEND_DST_RGB:
+            case GL_BLEND_DST_ALPHA:
+            case GL_BLEND_EQUATION_RGB:
+            case GL_BLEND_EQUATION_ALPHA:
+            {
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+            }
+            case GL_COLOR_WRITEMASK:
+            {
+                *type      = GL_BOOL;
+                *numParams = 4;
+                return true;
+            }
+        }
+    }
+
+    if (mSupportedExtensions.shaderPixelLocalStorageANGLE)
+    {
+        switch (target)
+        {
+            case GL_PIXEL_LOCAL_FORMAT_ANGLE:
+            case GL_PIXEL_LOCAL_TEXTURE_NAME_ANGLE:
+            case GL_PIXEL_LOCAL_TEXTURE_LEVEL_ANGLE:
+            case GL_PIXEL_LOCAL_TEXTURE_LAYER_ANGLE:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (getClientVersion() < Version(3, 1))
+    {
+        return false;
+    }
+
+    switch (target)
+    {
+        case GL_IMAGE_BINDING_LAYERED:
+        {
+            *type      = GL_BOOL;
+            *numParams = 1;
+            return true;
+        }
+        case GL_MAX_COMPUTE_WORK_GROUP_COUNT:
+        case GL_MAX_COMPUTE_WORK_GROUP_SIZE:
+        case GL_ATOMIC_COUNTER_BUFFER_BINDING:
+        case GL_SHADER_STORAGE_BUFFER_BINDING:
+        case GL_VERTEX_BINDING_BUFFER:
+        case GL_VERTEX_BINDING_DIVISOR:
+        case GL_VERTEX_BINDING_OFFSET:
+        case GL_VERTEX_BINDING_STRIDE:
+        case GL_SAMPLE_MASK_VALUE:
+        case GL_IMAGE_BINDING_NAME:
+        case GL_IMAGE_BINDING_LEVEL:
+        case GL_IMAGE_BINDING_LAYER:
+        case GL_IMAGE_BINDING_ACCESS:
+        case GL_IMAGE_BINDING_FORMAT:
+        {
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        }
+        case GL_ATOMIC_COUNTER_BUFFER_START:
+        case GL_ATOMIC_COUNTER_BUFFER_SIZE:
+        case GL_SHADER_STORAGE_BUFFER_START:
+        case GL_SHADER_STORAGE_BUFFER_SIZE:
+        {
+            *type      = GL_INT_64_ANGLEX;
+            *numParams = 1;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+Program *Context::getProgramNoResolveLink(ShaderProgramID handle) const
+{
+    return mState.mShaderProgramManager->getProgram(handle);
+}
+
+Shader *Context::getShader(ShaderProgramID handle) const
+{
+    return mState.mShaderProgramManager->getShader(handle);
+}
+
+const angle::FrontendFeatures &Context::getFrontendFeatures() const
+{
+    return mDisplay->getFrontendFeatures();
+}
+
+bool Context::isRenderbufferGenerated(RenderbufferID renderbuffer) const
+{
+    return mState.mRenderbufferManager->isHandleGenerated(renderbuffer);
+}
+
+bool Context::isFramebufferGenerated(FramebufferID framebuffer) const
+{
+    return mState.mFramebufferManager->isHandleGenerated(framebuffer);
+}
+
+bool Context::isProgramPipelineGenerated(ProgramPipelineID pipeline) const
+{
+    return mState.mProgramPipelineManager->isHandleGenerated(pipeline);
+}
+
+bool Context::usingDisplayTextureShareGroup() const
+{
+    return mDisplayTextureShareGroup;
+}
+
+bool Context::usingDisplaySemaphoreShareGroup() const
+{
+    return mDisplaySemaphoreShareGroup;
+}
+
+GLenum Context::getConvertedRenderbufferFormat(GLenum internalformat) const
+{
+    if (isWebGL() && mState.mClientVersion.major == 2 && internalformat == GL_DEPTH_STENCIL)
+    {
+        return GL_DEPTH24_STENCIL8;
+    }
+    if (getClientType() == EGL_OPENGL_API && internalformat == GL_DEPTH_COMPONENT)
+    {
+        return GL_DEPTH_COMPONENT24;
+    }
+    return internalformat;
+}
+
+void Context::maxShaderCompilerThreads(GLuint count)
+{
+    GLuint oldCount = mState.getMaxShaderCompilerThreads();
+    mState.setMaxShaderCompilerThreads(count);
+    // A count of zero specifies a request for no parallel compiling or linking.
+    if ((oldCount == 0 || count == 0) && (oldCount != 0 || count != 0))
+    {
+        mMultiThreadPool = angle::WorkerThreadPool::Create(count > 0);
+    }
+    mMultiThreadPool->setMaxThreads(count);
+    mImplementation->setMaxShaderCompilerThreads(count);
+}
+
+void Context::framebufferParameteriMESA(GLenum target, GLenum pname, GLint param)
+{
+    framebufferParameteri(target, pname, param);
+}
+
+void Context::getFramebufferParameterivMESA(GLenum target, GLenum pname, GLint *params)
+{
+    getFramebufferParameteriv(target, pname, params);
+}
+
+bool Context::isGLES1() const
+{
+    return mState.isGLES1();
+}
+
+void Context::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    switch (index)
+    {
+        case kVertexArraySubjectIndex:
+            switch (message)
+            {
+                case angle::SubjectMessage::ContentsChanged:
+                    mState.setObjectDirty(GL_VERTEX_ARRAY);
+                    mStateCache.onVertexArrayBufferContentsChange(this);
+                    break;
+                case angle::SubjectMessage::SubjectMapped:
+                case angle::SubjectMessage::SubjectUnmapped:
+                case angle::SubjectMessage::BindingChanged:
+                    mStateCache.onVertexArrayBufferStateChange(this);
+                    break;
+                default:
+                    break;
+            }
+            break;
+
+        case kReadFramebufferSubjectIndex:
+            switch (message)
+            {
+                case angle::SubjectMessage::DirtyBitsFlagged:
+                    mState.setReadFramebufferDirty();
+                    break;
+                case angle::SubjectMessage::SurfaceChanged:
+                    mState.setReadFramebufferBindingDirty();
+                    break;
+                default:
+                    UNREACHABLE();
+                    break;
+            }
+            break;
+
+        case kDrawFramebufferSubjectIndex:
+            switch (message)
+            {
+                case angle::SubjectMessage::DirtyBitsFlagged:
+                    mState.setDrawFramebufferDirty();
+                    mStateCache.onDrawFramebufferChange(this);
+                    break;
+                case angle::SubjectMessage::SurfaceChanged:
+                    mState.setDrawFramebufferBindingDirty();
+                    break;
+                default:
+                    UNREACHABLE();
+                    break;
+            }
+            break;
+
+        case kProgramPipelineSubjectIndex:
+            switch (message)
+            {
+                case angle::SubjectMessage::SubjectChanged:
+                    ANGLE_CONTEXT_TRY(mState.onProgramPipelineExecutableChange(this));
+                    mStateCache.onProgramExecutableChange(this);
+                    break;
+                case angle::SubjectMessage::ProgramRelinked:
+                    ANGLE_CONTEXT_TRY(mState.mProgramPipeline->link(this));
+                    break;
+                default:
+                    UNREACHABLE();
+                    break;
+            }
+            break;
+
+        default:
+            if (index < kTextureMaxSubjectIndex)
+            {
+                if (message != angle::SubjectMessage::ContentsChanged &&
+                    message != angle::SubjectMessage::BindingChanged)
+                {
+                    mState.onActiveTextureStateChange(this, index);
+                    mStateCache.onActiveTextureChange(this);
+                }
+            }
+            else if (index < kImageMaxSubjectIndex)
+            {
+                mState.onImageStateChange(this, index - kImage0SubjectIndex);
+                if (message == angle::SubjectMessage::ContentsChanged)
+                {
+                    mState.mDirtyBits.set(State::DirtyBitType::DIRTY_BIT_IMAGE_BINDINGS);
+                }
+            }
+            else if (index < kUniformBufferMaxSubjectIndex)
+            {
+                mState.onUniformBufferStateChange(index - kUniformBuffer0SubjectIndex);
+                mStateCache.onUniformBufferStateChange(this);
+            }
+            else if (index < kAtomicCounterBufferMaxSubjectIndex)
+            {
+                mState.onAtomicCounterBufferStateChange(index - kAtomicCounterBuffer0SubjectIndex);
+                mStateCache.onAtomicCounterBufferStateChange(this);
+            }
+            else if (index < kShaderStorageBufferMaxSubjectIndex)
+            {
+                mState.onShaderStorageBufferStateChange(index - kShaderStorageBuffer0SubjectIndex);
+                mStateCache.onShaderStorageBufferStateChange(this);
+            }
+            else
+            {
+                ASSERT(index < kSamplerMaxSubjectIndex);
+                mState.setSamplerDirty(index - kSampler0SubjectIndex);
+                mState.onActiveTextureStateChange(this, index - kSampler0SubjectIndex);
+            }
+            break;
+    }
+}
+
+angle::Result Context::onProgramLink(Program *programObject)
+{
+    // Don't parallel link a program which is active in any GL contexts. With this assumption, we
+    // don't need to worry that:
+    //   1. Draw calls after link use the new executable code or the old one depending on the link
+    //      result.
+    //   2. When a backend program, e.g., ProgramD3D is linking, other backend classes like
+    //      StateManager11, Renderer11, etc., may have a chance to make unexpected calls to
+    //      ProgramD3D.
+    if (programObject->isInUse())
+    {
+        programObject->resolveLink(this);
+        if (programObject->isLinked())
+        {
+            ANGLE_TRY(mState.onProgramExecutableChange(this, programObject));
+            programObject->onStateChange(angle::SubjectMessage::ProgramRelinked);
+        }
+        mStateCache.onProgramExecutableChange(this);
+    }
+
+    return angle::Result::Continue;
+}
+
+egl::Error Context::setDefaultFramebuffer(egl::Surface *drawSurface, egl::Surface *readSurface)
+{
+    ASSERT(mCurrentDrawSurface == nullptr);
+    ASSERT(mCurrentReadSurface == nullptr);
+
+    mCurrentDrawSurface = drawSurface;
+    mCurrentReadSurface = readSurface;
+
+    if (drawSurface != nullptr)
+    {
+        ANGLE_TRY(drawSurface->makeCurrent(this));
+    }
+
+    ANGLE_TRY(mDefaultFramebuffer->setSurfaces(this, drawSurface, readSurface));
+
+    if (readSurface && (drawSurface != readSurface))
+    {
+        ANGLE_TRY(readSurface->makeCurrent(this));
+    }
+
+    // Update default framebuffer, the binding of the previous default
+    // framebuffer (or lack of) will have a nullptr.
+    mState.mFramebufferManager->setDefaultFramebuffer(mDefaultFramebuffer.get());
+    if (mState.getDrawFramebuffer() == nullptr)
+    {
+        bindDrawFramebuffer(mDefaultFramebuffer->id());
+    }
+    if (mState.getReadFramebuffer() == nullptr)
+    {
+        bindReadFramebuffer(mDefaultFramebuffer->id());
+    }
+
+    return egl::NoError();
+}
+
+egl::Error Context::unsetDefaultFramebuffer()
+{
+    Framebuffer *defaultFramebuffer =
+        mState.mFramebufferManager->getFramebuffer(Framebuffer::kDefaultDrawFramebufferHandle);
+
+    if (defaultFramebuffer)
+    {
+        // Remove the default framebuffer
+        if (defaultFramebuffer == mState.getReadFramebuffer())
+        {
+            mState.setReadFramebufferBinding(nullptr);
+            mReadFramebufferObserverBinding.bind(nullptr);
+        }
+
+        if (defaultFramebuffer == mState.getDrawFramebuffer())
+        {
+            mState.setDrawFramebufferBinding(nullptr);
+            mDrawFramebufferObserverBinding.bind(nullptr);
+        }
+
+        ANGLE_TRY(defaultFramebuffer->unsetSurfaces(this));
+        mState.mFramebufferManager->setDefaultFramebuffer(nullptr);
+    }
+
+    // Always unset the current surface, even if setIsCurrent fails.
+    egl::Surface *drawSurface = mCurrentDrawSurface;
+    egl::Surface *readSurface = mCurrentReadSurface;
+    mCurrentDrawSurface       = nullptr;
+    mCurrentReadSurface       = nullptr;
+    if (drawSurface)
+    {
+        ANGLE_TRY(drawSurface->unMakeCurrent(this));
+    }
+    if (drawSurface != readSurface)
+    {
+        ANGLE_TRY(readSurface->unMakeCurrent(this));
+    }
+
+    return egl::NoError();
+}
+
+void Context::onPreSwap() const
+{
+    // Dump frame capture if enabled.
+    getShareGroup()->getFrameCaptureShared()->onEndFrame(this);
+}
+
+void Context::getTexImage(TextureTarget target,
+                          GLint level,
+                          GLenum format,
+                          GLenum type,
+                          void *pixels)
+{
+    Texture *texture   = getTextureByTarget(target);
+    Buffer *packBuffer = mState.getTargetBuffer(BufferBinding::PixelPack);
+    ANGLE_CONTEXT_TRY(texture->getTexImage(this, mState.getPackState(), packBuffer, target, level,
+                                           format, type, pixels));
+}
+
+void Context::getCompressedTexImage(TextureTarget target, GLint level, void *pixels)
+{
+    Texture *texture   = getTextureByTarget(target);
+    Buffer *packBuffer = mState.getTargetBuffer(BufferBinding::PixelPack);
+    ANGLE_CONTEXT_TRY(texture->getCompressedTexImage(this, mState.getPackState(), packBuffer,
+                                                     target, level, pixels));
+}
+
+void Context::getRenderbufferImage(GLenum target, GLenum format, GLenum type, void *pixels)
+{
+    Renderbuffer *renderbuffer = mState.getCurrentRenderbuffer();
+    Buffer *packBuffer         = mState.getTargetBuffer(BufferBinding::PixelPack);
+    ANGLE_CONTEXT_TRY(renderbuffer->getRenderbufferImage(this, mState.getPackState(), packBuffer,
+                                                         format, type, pixels));
+}
+
+void Context::logicOpANGLE(LogicalOperation opcodePacked)
+{
+    mState.setLogicOp(opcodePacked);
+}
+
+egl::Error Context::releaseHighPowerGPU()
+{
+    return mImplementation->releaseHighPowerGPU(this);
+}
+
+egl::Error Context::reacquireHighPowerGPU()
+{
+    return mImplementation->reacquireHighPowerGPU(this);
+}
+
+void Context::onGPUSwitch()
+{
+    // Re-initialize the renderer string, which just changed, and
+    // which must be visible to applications.
+    initRendererString();
+}
+
+std::mutex &Context::getProgramCacheMutex() const
+{
+    return mDisplay->getProgramCacheMutex();
+}
+
+bool Context::supportsGeometryOrTesselation() const
+{
+    return mState.getClientVersion() == ES_3_2 || mState.getExtensions().geometryShaderAny() ||
+           mState.getExtensions().tessellationShaderEXT;
+}
+
+void Context::dirtyAllState()
+{
+    mState.setAllDirtyBits();
+    mState.setAllDirtyObjects();
+    mState.gles1().setAllDirty();
+}
+
+void Context::finishImmutable() const
+{
+    ANGLE_CONTEXT_TRY(mImplementation->finish(this));
+}
+
+void Context::beginPerfMonitor(GLuint monitor) {}
+
+void Context::deletePerfMonitors(GLsizei n, GLuint *monitors) {}
+
+void Context::endPerfMonitor(GLuint monitor) {}
+
+void Context::genPerfMonitors(GLsizei n, GLuint *monitors)
+{
+    for (GLsizei monitorIndex = 0; monitorIndex < n; ++monitorIndex)
+    {
+        monitors[n] = static_cast<GLuint>(monitorIndex);
+    }
+}
+
+void Context::getPerfMonitorCounterData(GLuint monitor,
+                                        GLenum pname,
+                                        GLsizei dataSize,
+                                        GLuint *data,
+                                        GLint *bytesWritten)
+{
+    using namespace angle;
+    const PerfMonitorCounterGroups &perfMonitorGroups = mImplementation->getPerfMonitorCounters();
+    GLint byteCount                                   = 0;
+    switch (pname)
+    {
+        case GL_PERFMON_RESULT_AVAILABLE_AMD:
+        {
+            *data = GL_TRUE;
+            byteCount += sizeof(GLuint);
+            break;
+        }
+        case GL_PERFMON_RESULT_SIZE_AMD:
+        {
+            GLuint resultSize = 0;
+            for (const PerfMonitorCounterGroup &group : perfMonitorGroups)
+            {
+                resultSize += sizeof(PerfMonitorTriplet) * group.counters.size();
+            }
+            *data = resultSize;
+            byteCount += sizeof(GLuint);
+            break;
+        }
+        case GL_PERFMON_RESULT_AMD:
+        {
+            PerfMonitorTriplet *resultsOut = reinterpret_cast<PerfMonitorTriplet *>(data);
+            GLsizei maxResults             = dataSize / (3 * sizeof(GLuint));
+            GLsizei resultCount            = 0;
+            for (size_t groupIndex = 0;
+                 groupIndex < perfMonitorGroups.size() && resultCount < maxResults; ++groupIndex)
+            {
+                const PerfMonitorCounterGroup &group = perfMonitorGroups[groupIndex];
+                for (size_t counterIndex = 0;
+                     counterIndex < group.counters.size() && resultCount < maxResults;
+                     ++counterIndex)
+                {
+                    const PerfMonitorCounter &counter = group.counters[counterIndex];
+                    PerfMonitorTriplet &triplet       = resultsOut[resultCount++];
+                    triplet.counter                   = static_cast<GLuint>(counterIndex);
+                    triplet.group                     = static_cast<GLuint>(groupIndex);
+                    triplet.value                     = counter.value;
+                }
+            }
+            byteCount += sizeof(PerfMonitorTriplet) * resultCount;
+            break;
+        }
+        default:
+            UNREACHABLE();
+    }
+
+    if (bytesWritten)
+    {
+        *bytesWritten = byteCount;
+    }
+}
+
+void Context::getPerfMonitorCounterInfo(GLuint group, GLuint counter, GLenum pname, void *data)
+{
+    using namespace angle;
+    const PerfMonitorCounterGroups &perfMonitorGroups = mImplementation->getPerfMonitorCounters();
+    ASSERT(group < perfMonitorGroups.size());
+    const PerfMonitorCounters &counters = perfMonitorGroups[group].counters;
+    ASSERT(counter < counters.size());
+
+    switch (pname)
+    {
+        case GL_COUNTER_TYPE_AMD:
+        {
+            GLenum *dataOut = reinterpret_cast<GLenum *>(data);
+            *dataOut        = GL_UNSIGNED_INT;
+            break;
+        }
+        case GL_COUNTER_RANGE_AMD:
+        {
+            GLuint *dataOut = reinterpret_cast<GLuint *>(data);
+            dataOut[0]      = 0;
+            dataOut[1]      = std::numeric_limits<GLuint>::max();
+            break;
+        }
+        default:
+            UNREACHABLE();
+    }
+}
+
+void Context::getPerfMonitorCounterString(GLuint group,
+                                          GLuint counter,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLchar *counterString)
+{
+    using namespace angle;
+    const PerfMonitorCounterGroups &perfMonitorGroups = mImplementation->getPerfMonitorCounters();
+    ASSERT(group < perfMonitorGroups.size());
+    const PerfMonitorCounters &counters = perfMonitorGroups[group].counters;
+    ASSERT(counter < counters.size());
+    GetPerfMonitorString(counters[counter].name, bufSize, length, counterString);
+}
+
+void Context::getPerfMonitorCounters(GLuint group,
+                                     GLint *numCounters,
+                                     GLint *maxActiveCounters,
+                                     GLsizei counterSize,
+                                     GLuint *counters)
+{
+    using namespace angle;
+    const PerfMonitorCounterGroups &perfMonitorGroups = mImplementation->getPerfMonitorCounters();
+    ASSERT(group < perfMonitorGroups.size());
+    const PerfMonitorCounters &groupCounters = perfMonitorGroups[group].counters;
+
+    if (numCounters)
+    {
+        *numCounters = static_cast<GLint>(groupCounters.size());
+    }
+
+    if (maxActiveCounters)
+    {
+        *maxActiveCounters = static_cast<GLint>(groupCounters.size());
+    }
+
+    if (counters)
+    {
+        GLsizei maxCounterIndex = std::min(counterSize, static_cast<GLsizei>(groupCounters.size()));
+        for (GLsizei counterIndex = 0; counterIndex < maxCounterIndex; ++counterIndex)
+        {
+            counters[counterIndex] = static_cast<GLuint>(counterIndex);
+        }
+    }
+}
+
+void Context::getPerfMonitorGroupString(GLuint group,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLchar *groupString)
+{
+    using namespace angle;
+    const PerfMonitorCounterGroups &perfMonitorGroups = mImplementation->getPerfMonitorCounters();
+    ASSERT(group < perfMonitorGroups.size());
+    GetPerfMonitorString(perfMonitorGroups[group].name, bufSize, length, groupString);
+}
+
+void Context::getPerfMonitorGroups(GLint *numGroups, GLsizei groupsSize, GLuint *groups)
+{
+    using namespace angle;
+    const PerfMonitorCounterGroups &perfMonitorGroups = mImplementation->getPerfMonitorCounters();
+
+    if (numGroups)
+    {
+        *numGroups = static_cast<GLint>(perfMonitorGroups.size());
+    }
+
+    GLuint maxGroupIndex =
+        std::min<GLuint>(groupsSize, static_cast<GLuint>(perfMonitorGroups.size()));
+    for (GLuint groupIndex = 0; groupIndex < maxGroupIndex; ++groupIndex)
+    {
+        groups[groupIndex] = groupIndex;
+    }
+}
+
+void Context::selectPerfMonitorCounters(GLuint monitor,
+                                        GLboolean enable,
+                                        GLuint group,
+                                        GLint numCounters,
+                                        GLuint *counterList)
+{}
+
+const angle::PerfMonitorCounterGroups &Context::getPerfMonitorCounterGroups() const
+{
+    return mImplementation->getPerfMonitorCounters();
+}
+
+// ErrorSet implementation.
+ErrorSet::ErrorSet(Context *context) : mContext(context) {}
+
+ErrorSet::~ErrorSet() = default;
+
+void ErrorSet::handleError(GLenum errorCode,
+                           const char *message,
+                           const char *file,
+                           const char *function,
+                           unsigned int line)
+{
+    if (errorCode == GL_OUT_OF_MEMORY &&
+        mContext->getGraphicsResetStrategy() == GL_LOSE_CONTEXT_ON_RESET_EXT &&
+        mContext->getDisplay()->getFrontendFeatures().loseContextOnOutOfMemory.enabled)
+    {
+        mContext->markContextLost(GraphicsResetStatus::UnknownContextReset);
+    }
+
+    std::stringstream errorStream;
+    errorStream << "Error: " << gl::FmtHex(errorCode) << ", in " << file << ", " << function << ":"
+                << line << ". " << message;
+
+    std::string formattedMessage = errorStream.str();
+
+    // Process the error, but log it with WARN severity so it shows up in logs.
+    ASSERT(errorCode != GL_NO_ERROR);
+    mErrors.insert(errorCode);
+
+    mContext->getState().getDebug().insertMessage(
+        GL_DEBUG_SOURCE_API, GL_DEBUG_TYPE_ERROR, errorCode, GL_DEBUG_SEVERITY_HIGH,
+        std::move(formattedMessage), gl::LOG_WARN, angle::EntryPoint::GLInvalid);
+}
+
+void ErrorSet::validationError(angle::EntryPoint entryPoint, GLenum errorCode, const char *message)
+{
+    ASSERT(errorCode != GL_NO_ERROR);
+    mErrors.insert(errorCode);
+
+    mContext->getState().getDebug().insertMessage(GL_DEBUG_SOURCE_API, GL_DEBUG_TYPE_ERROR,
+                                                  errorCode, GL_DEBUG_SEVERITY_HIGH, message,
+                                                  gl::LOG_INFO, entryPoint);
+}
+
+bool ErrorSet::empty() const
+{
+    return mErrors.empty();
+}
+
+GLenum ErrorSet::popError()
+{
+    ASSERT(!empty());
+    GLenum error = *mErrors.begin();
+    mErrors.erase(mErrors.begin());
+    return error;
+}
+
+// StateCache implementation.
+StateCache::StateCache()
+    : mCachedHasAnyEnabledClientAttrib(false),
+      mCachedNonInstancedVertexElementLimit(0),
+      mCachedInstancedVertexElementLimit(0),
+      mCachedBasicDrawStatesError(kInvalidPointer),
+      mCachedBasicDrawElementsError(kInvalidPointer),
+      mCachedProgramPipelineError(kInvalidPointer),
+      mCachedTransformFeedbackActiveUnpaused(false),
+      mCachedCanDraw(false)
+{
+    mCachedValidDrawModes.fill(false);
+}
+
+StateCache::~StateCache() = default;
+
+ANGLE_INLINE void StateCache::updateVertexElementLimits(Context *context)
+{
+    if (context->isBufferAccessValidationEnabled())
+    {
+        updateVertexElementLimitsImpl(context);
+    }
+}
+
+void StateCache::initialize(Context *context)
+{
+    updateValidDrawModes(context);
+    updateValidBindTextureTypes(context);
+    updateValidDrawElementsTypes(context);
+    updateBasicDrawStatesError();
+    updateBasicDrawElementsError();
+    updateVertexAttribTypesValidation(context);
+    updateCanDraw(context);
+}
+
+void StateCache::updateActiveAttribsMask(Context *context)
+{
+    bool isGLES1         = context->isGLES1();
+    const State &glState = context->getState();
+
+    if (!isGLES1 && !glState.getProgramExecutable())
+    {
+        mCachedActiveBufferedAttribsMask = AttributesMask();
+        mCachedActiveClientAttribsMask   = AttributesMask();
+        mCachedActiveDefaultAttribsMask  = AttributesMask();
+        return;
+    }
+
+    AttributesMask activeAttribs =
+        isGLES1 ? glState.gles1().getActiveAttributesMask()
+                : glState.getProgramExecutable()->getActiveAttribLocationsMask();
+
+    const VertexArray *vao = glState.getVertexArray();
+    ASSERT(vao);
+
+    const AttributesMask &clientAttribs  = vao->getClientAttribsMask();
+    const AttributesMask &enabledAttribs = vao->getEnabledAttributesMask();
+    const AttributesMask &activeEnabled  = activeAttribs & enabledAttribs;
+
+    mCachedActiveClientAttribsMask   = activeEnabled & clientAttribs;
+    mCachedActiveBufferedAttribsMask = activeEnabled & ~clientAttribs;
+    mCachedActiveDefaultAttribsMask  = activeAttribs & ~enabledAttribs;
+    mCachedHasAnyEnabledClientAttrib = (clientAttribs & enabledAttribs).any();
+}
+
+void StateCache::updateVertexElementLimitsImpl(Context *context)
+{
+    ASSERT(context->isBufferAccessValidationEnabled());
+
+    const VertexArray *vao = context->getState().getVertexArray();
+
+    mCachedNonInstancedVertexElementLimit = std::numeric_limits<GLint64>::max();
+    mCachedInstancedVertexElementLimit    = std::numeric_limits<GLint64>::max();
+
+    // VAO can be null on Context startup. If we make this computation lazier we could ASSERT.
+    // If there are no buffered attributes then we should not limit the draw call count.
+    if (!vao || !mCachedActiveBufferedAttribsMask.any())
+    {
+        return;
+    }
+
+    const auto &vertexAttribs  = vao->getVertexAttributes();
+    const auto &vertexBindings = vao->getVertexBindings();
+
+    for (size_t attributeIndex : mCachedActiveBufferedAttribsMask)
+    {
+        const VertexAttribute &attrib = vertexAttribs[attributeIndex];
+
+        const VertexBinding &binding = vertexBindings[attrib.bindingIndex];
+        ASSERT(context->isGLES1() ||
+               context->getState().getProgramExecutable()->isAttribLocationActive(attributeIndex));
+
+        GLint64 limit = attrib.getCachedElementLimit();
+        if (binding.getDivisor() > 0)
+        {
+            mCachedInstancedVertexElementLimit =
+                std::min(mCachedInstancedVertexElementLimit, limit);
+        }
+        else
+        {
+            mCachedNonInstancedVertexElementLimit =
+                std::min(mCachedNonInstancedVertexElementLimit, limit);
+        }
+    }
+}
+
+void StateCache::updateBasicDrawStatesError()
+{
+    mCachedBasicDrawStatesError = kInvalidPointer;
+}
+
+void StateCache::updateProgramPipelineError()
+{
+    mCachedProgramPipelineError = kInvalidPointer;
+}
+
+void StateCache::updateBasicDrawElementsError()
+{
+    mCachedBasicDrawElementsError = kInvalidPointer;
+}
+
+intptr_t StateCache::getBasicDrawStatesErrorImpl(const Context *context) const
+{
+    ASSERT(mCachedBasicDrawStatesError == kInvalidPointer);
+    mCachedBasicDrawStatesError = reinterpret_cast<intptr_t>(ValidateDrawStates(context));
+    return mCachedBasicDrawStatesError;
+}
+
+intptr_t StateCache::getProgramPipelineErrorImpl(const Context *context) const
+{
+    ASSERT(mCachedProgramPipelineError == kInvalidPointer);
+    mCachedProgramPipelineError = reinterpret_cast<intptr_t>(ValidateProgramPipeline(context));
+    return mCachedProgramPipelineError;
+}
+
+intptr_t StateCache::getBasicDrawElementsErrorImpl(const Context *context) const
+{
+    ASSERT(mCachedBasicDrawElementsError == kInvalidPointer);
+    mCachedBasicDrawElementsError = reinterpret_cast<intptr_t>(ValidateDrawElementsStates(context));
+    return mCachedBasicDrawElementsError;
+}
+
+void StateCache::onVertexArrayBindingChange(Context *context)
+{
+    updateActiveAttribsMask(context);
+    updateVertexElementLimits(context);
+    updateBasicDrawStatesError();
+    updateBasicDrawElementsError();
+}
+
+void StateCache::onProgramExecutableChange(Context *context)
+{
+    updateActiveAttribsMask(context);
+    updateVertexElementLimits(context);
+    updateBasicDrawStatesError();
+    updateProgramPipelineError();
+    updateValidDrawModes(context);
+    updateActiveShaderStorageBufferIndices(context);
+    updateActiveImageUnitIndices(context);
+    updateCanDraw(context);
+}
+
+void StateCache::onVertexArrayFormatChange(Context *context)
+{
+    updateVertexElementLimits(context);
+}
+
+void StateCache::onVertexArrayBufferContentsChange(Context *context)
+{
+    updateVertexElementLimits(context);
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onVertexArrayStateChange(Context *context)
+{
+    updateActiveAttribsMask(context);
+    updateVertexElementLimits(context);
+    updateBasicDrawStatesError();
+    updateBasicDrawElementsError();
+}
+
+void StateCache::onVertexArrayBufferStateChange(Context *context)
+{
+    updateBasicDrawStatesError();
+    updateBasicDrawElementsError();
+}
+
+void StateCache::onGLES1ClientStateChange(Context *context)
+{
+    updateActiveAttribsMask(context);
+}
+
+void StateCache::onDrawFramebufferChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onContextCapChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onStencilStateChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onDefaultVertexAttributeChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onActiveTextureChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onQueryChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onActiveTransformFeedbackChange(Context *context)
+{
+    updateTransformFeedbackActiveUnpaused(context);
+    updateBasicDrawStatesError();
+    updateBasicDrawElementsError();
+    updateValidDrawModes(context);
+}
+
+void StateCache::onUniformBufferStateChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onAtomicCounterBufferStateChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onShaderStorageBufferStateChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onColorMaskChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onBlendFuncIndexedChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::onBlendEquationChange(Context *context)
+{
+    updateBasicDrawStatesError();
+}
+
+void StateCache::setValidDrawModes(bool pointsOK,
+                                   bool linesOK,
+                                   bool trisOK,
+                                   bool lineAdjOK,
+                                   bool triAdjOK,
+                                   bool patchOK)
+{
+    mCachedValidDrawModes[PrimitiveMode::Points]                 = pointsOK;
+    mCachedValidDrawModes[PrimitiveMode::Lines]                  = linesOK;
+    mCachedValidDrawModes[PrimitiveMode::LineLoop]               = linesOK;
+    mCachedValidDrawModes[PrimitiveMode::LineStrip]              = linesOK;
+    mCachedValidDrawModes[PrimitiveMode::Triangles]              = trisOK;
+    mCachedValidDrawModes[PrimitiveMode::TriangleStrip]          = trisOK;
+    mCachedValidDrawModes[PrimitiveMode::TriangleFan]            = trisOK;
+    mCachedValidDrawModes[PrimitiveMode::LinesAdjacency]         = lineAdjOK;
+    mCachedValidDrawModes[PrimitiveMode::LineStripAdjacency]     = lineAdjOK;
+    mCachedValidDrawModes[PrimitiveMode::TrianglesAdjacency]     = triAdjOK;
+    mCachedValidDrawModes[PrimitiveMode::TriangleStripAdjacency] = triAdjOK;
+    mCachedValidDrawModes[PrimitiveMode::Patches]                = patchOK;
+}
+
+void StateCache::updateValidDrawModes(Context *context)
+{
+    const State &state = context->getState();
+
+    const ProgramExecutable *programExecutable = context->getState().getProgramExecutable();
+
+    // If tessellation is active primitive mode must be GL_PATCHES.
+    if (programExecutable && programExecutable->hasLinkedTessellationShader())
+    {
+        setValidDrawModes(false, false, false, false, false, true);
+        return;
+    }
+
+    if (mCachedTransformFeedbackActiveUnpaused)
+    {
+        TransformFeedback *curTransformFeedback = state.getCurrentTransformFeedback();
+
+        // ES Spec 3.0 validation text:
+        // When transform feedback is active and not paused, all geometric primitives generated must
+        // match the value of primitiveMode passed to BeginTransformFeedback. The error
+        // INVALID_OPERATION is generated by DrawArrays and DrawArraysInstanced if mode is not
+        // identical to primitiveMode. The error INVALID_OPERATION is also generated by
+        // DrawElements, DrawElementsInstanced, and DrawRangeElements while transform feedback is
+        // active and not paused, regardless of mode. Any primitive type may be used while transform
+        // feedback is paused.
+        if (!context->getExtensions().geometryShaderAny() &&
+            !context->getExtensions().tessellationShaderEXT && context->getClientVersion() < ES_3_2)
+        {
+            mCachedValidDrawModes.fill(false);
+            mCachedValidDrawModes[curTransformFeedback->getPrimitiveMode()] = true;
+            return;
+        }
+    }
+
+    if (!programExecutable || !programExecutable->hasLinkedShaderStage(ShaderType::Geometry))
+    {
+        // All draw modes are valid, since drawing without a program does not generate an error and
+        // and operations requiring a GS will trigger other validation errors.
+        // `patchOK = false` due to checking above already enabling it if a TS is present.
+        setValidDrawModes(true, true, true, true, true, false);
+        return;
+    }
+
+    PrimitiveMode gsMode = programExecutable->getGeometryShaderInputPrimitiveType();
+    bool pointsOK        = gsMode == PrimitiveMode::Points;
+    bool linesOK         = gsMode == PrimitiveMode::Lines;
+    bool trisOK          = gsMode == PrimitiveMode::Triangles;
+    bool lineAdjOK       = gsMode == PrimitiveMode::LinesAdjacency;
+    bool triAdjOK        = gsMode == PrimitiveMode::TrianglesAdjacency;
+
+    setValidDrawModes(pointsOK, linesOK, trisOK, lineAdjOK, triAdjOK, false);
+}
+
+void StateCache::updateValidBindTextureTypes(Context *context)
+{
+    const Extensions &exts = context->getExtensions();
+    bool isGLES3           = context->getClientMajorVersion() >= 3;
+    bool isGLES31          = context->getClientVersion() >= Version(3, 1);
+
+    mCachedValidBindTextureTypes = {{
+        {TextureType::_2D, true},
+        {TextureType::_2DArray, isGLES3},
+        {TextureType::_2DMultisample, isGLES31 || exts.textureMultisampleANGLE},
+        {TextureType::_2DMultisampleArray, exts.textureStorageMultisample2dArrayOES},
+        {TextureType::_3D, isGLES3 || exts.texture3DOES},
+        {TextureType::External, exts.EGLImageExternalOES || exts.EGLStreamConsumerExternalNV},
+        {TextureType::Rectangle, exts.textureRectangleANGLE},
+        {TextureType::CubeMap, true},
+        {TextureType::CubeMapArray, exts.textureCubeMapArrayAny()},
+        {TextureType::VideoImage, exts.videoTextureWEBGL},
+        {TextureType::Buffer, exts.textureBufferAny()},
+    }};
+}
+
+void StateCache::updateValidDrawElementsTypes(Context *context)
+{
+    bool supportsUint =
+        (context->getClientMajorVersion() >= 3 || context->getExtensions().elementIndexUintOES);
+
+    mCachedValidDrawElementsTypes = {{
+        {DrawElementsType::UnsignedByte, true},
+        {DrawElementsType::UnsignedShort, true},
+        {DrawElementsType::UnsignedInt, supportsUint},
+    }};
+}
+
+void StateCache::updateTransformFeedbackActiveUnpaused(Context *context)
+{
+    TransformFeedback *xfb                 = context->getState().getCurrentTransformFeedback();
+    mCachedTransformFeedbackActiveUnpaused = xfb && xfb->isActive() && !xfb->isPaused();
+}
+
+void StateCache::updateVertexAttribTypesValidation(Context *context)
+{
+    VertexAttribTypeCase halfFloatValidity = (context->getExtensions().vertexHalfFloatOES)
+                                                 ? VertexAttribTypeCase::Valid
+                                                 : VertexAttribTypeCase::Invalid;
+
+    VertexAttribTypeCase vertexType1010102Validity = (context->getExtensions().vertexType1010102OES)
+                                                         ? VertexAttribTypeCase::ValidSize3or4
+                                                         : VertexAttribTypeCase::Invalid;
+
+    if (context->getClientMajorVersion() <= 2)
+    {
+        mCachedVertexAttribTypesValidation = {{
+            {VertexAttribType::Byte, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Short, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedByte, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedShort, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Float, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Fixed, VertexAttribTypeCase::Valid},
+            {VertexAttribType::HalfFloatOES, halfFloatValidity},
+        }};
+    }
+    else
+    {
+        mCachedVertexAttribTypesValidation = {{
+            {VertexAttribType::Byte, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Short, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Int, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedByte, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedShort, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedInt, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Float, VertexAttribTypeCase::Valid},
+            {VertexAttribType::HalfFloat, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Fixed, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Int2101010, VertexAttribTypeCase::ValidSize4Only},
+            {VertexAttribType::HalfFloatOES, halfFloatValidity},
+            {VertexAttribType::UnsignedInt2101010, VertexAttribTypeCase::ValidSize4Only},
+            {VertexAttribType::Int1010102, vertexType1010102Validity},
+            {VertexAttribType::UnsignedInt1010102, vertexType1010102Validity},
+        }};
+
+        mCachedIntegerVertexAttribTypesValidation = {{
+            {VertexAttribType::Byte, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Short, VertexAttribTypeCase::Valid},
+            {VertexAttribType::Int, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedByte, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedShort, VertexAttribTypeCase::Valid},
+            {VertexAttribType::UnsignedInt, VertexAttribTypeCase::Valid},
+        }};
+    }
+}
+
+void StateCache::updateActiveShaderStorageBufferIndices(Context *context)
+{
+    mCachedActiveShaderStorageBufferIndices.reset();
+    const ProgramExecutable *executable = context->getState().getProgramExecutable();
+    if (executable)
+    {
+        for (const InterfaceBlock &block : executable->getShaderStorageBlocks())
+        {
+            mCachedActiveShaderStorageBufferIndices.set(block.binding);
+        }
+    }
+}
+
+void StateCache::updateActiveImageUnitIndices(Context *context)
+{
+    mCachedActiveImageUnitIndices.reset();
+    const ProgramExecutable *executable = context->getState().getProgramExecutable();
+    if (executable)
+    {
+        for (const ImageBinding &imageBinding : executable->getImageBindings())
+        {
+            for (GLuint binding : imageBinding.boundImageUnits)
+            {
+                mCachedActiveImageUnitIndices.set(binding);
+            }
+        }
+    }
+}
+
+void StateCache::updateCanDraw(Context *context)
+{
+    mCachedCanDraw =
+        (context->isGLES1() || (context->getState().getProgramExecutable() &&
+                                context->getState().getProgramExecutable()->hasVertexShader()));
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Context.h b/gfx/angle/checkout/src/libANGLE/Context.h
new file mode 100644
index 0000000000..fec6a6653c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context.h
@@ -0,0 +1,901 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Context.h: Defines the gl::Context class, managing all GL state and performing
+// rendering operations. It is the GLES2 specific implementation of EGLContext.
+
+#ifndef LIBANGLE_CONTEXT_H_
+#define LIBANGLE_CONTEXT_H_
+
+#include <mutex>
+#include <set>
+#include <string>
+
+#include "angle_gl.h"
+#include "common/MemoryBuffer.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Context_gl_1_autogen.h"
+#include "libANGLE/Context_gl_2_autogen.h"
+#include "libANGLE/Context_gl_3_autogen.h"
+#include "libANGLE/Context_gl_4_autogen.h"
+#include "libANGLE/Context_gles_1_0_autogen.h"
+#include "libANGLE/Context_gles_2_0_autogen.h"
+#include "libANGLE/Context_gles_3_0_autogen.h"
+#include "libANGLE/Context_gles_3_1_autogen.h"
+#include "libANGLE/Context_gles_3_2_autogen.h"
+#include "libANGLE/Context_gles_ext_autogen.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/HandleAllocator.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/ResourceMap.h"
+#include "libANGLE/State.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/WorkerThread.h"
+#include "libANGLE/angletypes.h"
+
+namespace angle
+{
+class FrameCapture;
+class FrameCaptureShared;
+struct FrontendFeatures;
+}  // namespace angle
+
+namespace rx
+{
+class ContextImpl;
+class EGLImplFactory;
+}  // namespace rx
+
+namespace egl
+{
+class AttributeMap;
+class Surface;
+struct Config;
+class Thread;
+}  // namespace egl
+
+namespace gl
+{
+class Buffer;
+class Compiler;
+class FenceNV;
+class GLES1Renderer;
+class MemoryProgramCache;
+class MemoryShaderCache;
+class MemoryObject;
+class Program;
+class ProgramPipeline;
+class Query;
+class Renderbuffer;
+class Sampler;
+class Semaphore;
+class Shader;
+class Sync;
+class Texture;
+class TransformFeedback;
+class VertexArray;
+struct VertexAttribute;
+
+class ErrorSet : angle::NonCopyable
+{
+  public:
+    explicit ErrorSet(Context *context);
+    ~ErrorSet();
+
+    bool empty() const;
+    GLenum popError();
+
+    void handleError(GLenum errorCode,
+                     const char *message,
+                     const char *file,
+                     const char *function,
+                     unsigned int line);
+
+    void validationError(angle::EntryPoint entryPoint, GLenum errorCode, const char *message);
+
+  private:
+    Context *mContext;
+    std::set<GLenum> mErrors;
+};
+
+enum class VertexAttribTypeCase
+{
+    Invalid        = 0,
+    Valid          = 1,
+    ValidSize4Only = 2,
+    ValidSize3or4  = 3,
+};
+
+// Helper class for managing cache variables and state changes.
+class StateCache final : angle::NonCopyable
+{
+  public:
+    StateCache();
+    ~StateCache();
+
+    void initialize(Context *context);
+
+    // Places that can trigger updateActiveAttribsMask:
+    // 1. onVertexArrayBindingChange.
+    // 2. onProgramExecutableChange.
+    // 3. onVertexArrayStateChange.
+    // 4. onGLES1ClientStateChange.
+    AttributesMask getActiveBufferedAttribsMask() const { return mCachedActiveBufferedAttribsMask; }
+    AttributesMask getActiveClientAttribsMask() const { return mCachedActiveClientAttribsMask; }
+    AttributesMask getActiveDefaultAttribsMask() const { return mCachedActiveDefaultAttribsMask; }
+    bool hasAnyEnabledClientAttrib() const { return mCachedHasAnyEnabledClientAttrib; }
+    bool hasAnyActiveClientAttrib() const { return mCachedActiveClientAttribsMask.any(); }
+
+    // Places that can trigger updateVertexElementLimits:
+    // 1. onVertexArrayBindingChange.
+    // 2. onProgramExecutableChange.
+    // 3. onVertexArrayFormatChange.
+    // 4. onVertexArrayBufferChange.
+    // 5. onVertexArrayStateChange.
+    GLint64 getNonInstancedVertexElementLimit() const
+    {
+        return mCachedNonInstancedVertexElementLimit;
+    }
+    GLint64 getInstancedVertexElementLimit() const { return mCachedInstancedVertexElementLimit; }
+
+    // Places that can trigger updateBasicDrawStatesError:
+    // 1. onVertexArrayBindingChange.
+    // 2. onProgramExecutableChange.
+    // 3. onVertexArrayBufferContentsChange.
+    // 4. onVertexArrayStateChange.
+    // 5. onVertexArrayBufferStateChange.
+    // 6. onDrawFramebufferChange.
+    // 7. onContextCapChange.
+    // 8. onStencilStateChange.
+    // 9. onDefaultVertexAttributeChange.
+    // 10. onActiveTextureChange.
+    // 11. onQueryChange.
+    // 12. onActiveTransformFeedbackChange.
+    // 13. onUniformBufferStateChange.
+    // 14. onColorMaskChange.
+    // 15. onBufferBindingChange.
+    // 16. onBlendFuncIndexedChange.
+    bool hasBasicDrawStatesError(Context *context) const
+    {
+        if (mCachedBasicDrawStatesError == 0)
+        {
+            return false;
+        }
+        if (mCachedBasicDrawStatesError != kInvalidPointer)
+        {
+            return true;
+        }
+        return getBasicDrawStatesErrorImpl(context) != 0;
+    }
+
+    intptr_t getBasicDrawStatesError(const Context *context) const
+    {
+        if (mCachedBasicDrawStatesError != kInvalidPointer)
+        {
+            return mCachedBasicDrawStatesError;
+        }
+
+        return getBasicDrawStatesErrorImpl(context);
+    }
+
+    // Places that can trigger updateProgramPipelineError:
+    // 1. onProgramExecutableChange.
+    intptr_t getProgramPipelineError(const Context *context) const
+    {
+        if (mCachedProgramPipelineError != kInvalidPointer)
+        {
+            return mCachedProgramPipelineError;
+        }
+
+        return getProgramPipelineErrorImpl(context);
+    }
+
+    // Places that can trigger updateBasicDrawElementsError:
+    // 1. onActiveTransformFeedbackChange.
+    // 2. onVertexArrayBufferStateChange.
+    // 3. onBufferBindingChange.
+    // 4. onVertexArrayStateChange.
+    // 5. onVertexArrayBindingStateChange.
+    intptr_t getBasicDrawElementsError(const Context *context) const
+    {
+        if (mCachedBasicDrawElementsError != kInvalidPointer)
+        {
+            return mCachedBasicDrawElementsError;
+        }
+
+        return getBasicDrawElementsErrorImpl(context);
+    }
+
+    // Places that can trigger updateValidDrawModes:
+    // 1. onProgramExecutableChange.
+    // 2. onActiveTransformFeedbackChange.
+    bool isValidDrawMode(PrimitiveMode primitiveMode) const
+    {
+        return mCachedValidDrawModes[primitiveMode];
+    }
+
+    // Cannot change except on Context/Extension init.
+    bool isValidBindTextureType(TextureType type) const
+    {
+        return mCachedValidBindTextureTypes[type];
+    }
+
+    // Cannot change except on Context/Extension init.
+    bool isValidDrawElementsType(DrawElementsType type) const
+    {
+        return mCachedValidDrawElementsTypes[type];
+    }
+
+    // Places that can trigger updateTransformFeedbackActiveUnpaused:
+    // 1. onActiveTransformFeedbackChange.
+    bool isTransformFeedbackActiveUnpaused() const
+    {
+        return mCachedTransformFeedbackActiveUnpaused;
+    }
+
+    // Cannot change except on Context/Extension init.
+    VertexAttribTypeCase getVertexAttribTypeValidation(VertexAttribType type) const
+    {
+        return mCachedVertexAttribTypesValidation[type];
+    }
+
+    VertexAttribTypeCase getIntegerVertexAttribTypeValidation(VertexAttribType type) const
+    {
+        return mCachedIntegerVertexAttribTypesValidation[type];
+    }
+
+    // Places that can trigger updateActiveShaderStorageBufferIndices:
+    // 1. onProgramExecutableChange.
+    StorageBuffersMask getActiveShaderStorageBufferIndices() const
+    {
+        return mCachedActiveShaderStorageBufferIndices;
+    }
+
+    // Places that can trigger updateActiveImageUnitIndices:
+    // 1. onProgramExecutableChange.
+    const ImageUnitMask &getActiveImageUnitIndices() const { return mCachedActiveImageUnitIndices; }
+
+    // Places that can trigger updateCanDraw:
+    // 1. onProgramExecutableChange.
+    bool getCanDraw() const { return mCachedCanDraw; }
+
+    // State change notifications.
+    void onVertexArrayBindingChange(Context *context);
+    void onProgramExecutableChange(Context *context);
+    void onVertexArrayFormatChange(Context *context);
+    void onVertexArrayBufferContentsChange(Context *context);
+    void onVertexArrayStateChange(Context *context);
+    void onVertexArrayBufferStateChange(Context *context);
+    void onGLES1ClientStateChange(Context *context);
+    void onDrawFramebufferChange(Context *context);
+    void onContextCapChange(Context *context);
+    void onStencilStateChange(Context *context);
+    void onDefaultVertexAttributeChange(Context *context);
+    void onActiveTextureChange(Context *context);
+    void onQueryChange(Context *context);
+    void onActiveTransformFeedbackChange(Context *context);
+    void onUniformBufferStateChange(Context *context);
+    void onAtomicCounterBufferStateChange(Context *context);
+    void onShaderStorageBufferStateChange(Context *context);
+    void onColorMaskChange(Context *context);
+    void onBufferBindingChange(Context *context);
+    void onBlendFuncIndexedChange(Context *context);
+    void onBlendEquationChange(Context *context);
+
+  private:
+    // Cache update functions.
+    void updateActiveAttribsMask(Context *context);
+    void updateVertexElementLimits(Context *context);
+    void updateVertexElementLimitsImpl(Context *context);
+    void updateValidDrawModes(Context *context);
+    void updateValidBindTextureTypes(Context *context);
+    void updateValidDrawElementsTypes(Context *context);
+    void updateBasicDrawStatesError();
+    void updateProgramPipelineError();
+    void updateBasicDrawElementsError();
+    void updateTransformFeedbackActiveUnpaused(Context *context);
+    void updateVertexAttribTypesValidation(Context *context);
+    void updateActiveShaderStorageBufferIndices(Context *context);
+    void updateActiveImageUnitIndices(Context *context);
+    void updateCanDraw(Context *context);
+
+    void setValidDrawModes(bool pointsOK,
+                           bool linesOK,
+                           bool trisOK,
+                           bool lineAdjOK,
+                           bool triAdjOK,
+                           bool patchOK);
+
+    intptr_t getBasicDrawStatesErrorImpl(const Context *context) const;
+    intptr_t getProgramPipelineErrorImpl(const Context *context) const;
+    intptr_t getBasicDrawElementsErrorImpl(const Context *context) const;
+
+    static constexpr intptr_t kInvalidPointer = 1;
+
+    AttributesMask mCachedActiveBufferedAttribsMask;
+    AttributesMask mCachedActiveClientAttribsMask;
+    AttributesMask mCachedActiveDefaultAttribsMask;
+    bool mCachedHasAnyEnabledClientAttrib;
+    GLint64 mCachedNonInstancedVertexElementLimit;
+    GLint64 mCachedInstancedVertexElementLimit;
+    mutable intptr_t mCachedBasicDrawStatesError;
+    mutable intptr_t mCachedBasicDrawElementsError;
+    // mCachedProgramPipelineError checks only the
+    // current-program-exists subset of mCachedBasicDrawStatesError.
+    // Therefore, mCachedProgramPipelineError follows
+    // mCachedBasicDrawStatesError in that if mCachedBasicDrawStatesError is
+    // no-error, so is mCachedProgramPipelineError.  Otherwise, if
+    // mCachedBasicDrawStatesError is in error, the state of
+    // mCachedProgramPipelineError can be no-error or also in error, or
+    // unknown due to early exiting.
+    mutable intptr_t mCachedProgramPipelineError;
+    bool mCachedTransformFeedbackActiveUnpaused;
+    StorageBuffersMask mCachedActiveShaderStorageBufferIndices;
+    ImageUnitMask mCachedActiveImageUnitIndices;
+
+    // Reserve an extra slot at the end of these maps for invalid enum.
+    angle::PackedEnumMap<PrimitiveMode, bool, angle::EnumSize<PrimitiveMode>() + 1>
+        mCachedValidDrawModes;
+    angle::PackedEnumMap<TextureType, bool, angle::EnumSize<TextureType>() + 1>
+        mCachedValidBindTextureTypes;
+    angle::PackedEnumMap<DrawElementsType, bool, angle::EnumSize<DrawElementsType>() + 1>
+        mCachedValidDrawElementsTypes;
+    angle::PackedEnumMap<VertexAttribType,
+                         VertexAttribTypeCase,
+                         angle::EnumSize<VertexAttribType>() + 1>
+        mCachedVertexAttribTypesValidation;
+    angle::PackedEnumMap<VertexAttribType,
+                         VertexAttribTypeCase,
+                         angle::EnumSize<VertexAttribType>() + 1>
+        mCachedIntegerVertexAttribTypesValidation;
+
+    bool mCachedCanDraw;
+};
+
+using VertexArrayMap       = ResourceMap<VertexArray, VertexArrayID>;
+using QueryMap             = ResourceMap<Query, QueryID>;
+using TransformFeedbackMap = ResourceMap<TransformFeedback, TransformFeedbackID>;
+
+class Context final : public egl::LabeledObject, angle::NonCopyable, public angle::ObserverInterface
+{
+  public:
+    Context(egl::Display *display,
+            const egl::Config *config,
+            const Context *shareContext,
+            TextureManager *shareTextures,
+            SemaphoreManager *shareSemaphores,
+            MemoryProgramCache *memoryProgramCache,
+            MemoryShaderCache *memoryShaderCache,
+            const EGLenum clientType,
+            const egl::AttributeMap &attribs,
+            const egl::DisplayExtensions &displayExtensions,
+            const egl::ClientExtensions &clientExtensions);
+
+    // Use for debugging.
+    ContextID id() const { return mState.getContextID(); }
+
+    egl::Error initialize();
+
+    egl::Error onDestroy(const egl::Display *display);
+    ~Context() override;
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    egl::Error makeCurrent(egl::Display *display,
+                           egl::Surface *drawSurface,
+                           egl::Surface *readSurface);
+    egl::Error unMakeCurrent(const egl::Display *display);
+
+    // These create and destroy methods pass through to ResourceManager, which owns these objects.
+    BufferID createBuffer();
+    TextureID createTexture();
+    RenderbufferID createRenderbuffer();
+    ProgramPipelineID createProgramPipeline();
+    MemoryObjectID createMemoryObject();
+    SemaphoreID createSemaphore();
+
+    void deleteBuffer(BufferID buffer);
+    void deleteTexture(TextureID texture);
+    void deleteRenderbuffer(RenderbufferID renderbuffer);
+    void deleteProgramPipeline(ProgramPipelineID pipeline);
+    void deleteMemoryObject(MemoryObjectID memoryObject);
+    void deleteSemaphore(SemaphoreID semaphore);
+
+    void bindReadFramebuffer(FramebufferID framebufferHandle);
+    void bindDrawFramebuffer(FramebufferID framebufferHandle);
+
+    Buffer *getBuffer(BufferID handle) const;
+    FenceNV *getFenceNV(FenceNVID handle) const;
+    Sync *getSync(GLsync handle) const;
+    ANGLE_INLINE Texture *getTexture(TextureID handle) const
+    {
+        return mState.mTextureManager->getTexture(handle);
+    }
+
+    Framebuffer *getFramebuffer(FramebufferID handle) const;
+    Renderbuffer *getRenderbuffer(RenderbufferID handle) const;
+    VertexArray *getVertexArray(VertexArrayID handle) const;
+    Sampler *getSampler(SamplerID handle) const;
+    Query *getOrCreateQuery(QueryID handle, QueryType type);
+    Query *getQuery(QueryID handle) const;
+    TransformFeedback *getTransformFeedback(TransformFeedbackID handle) const;
+    ProgramPipeline *getProgramPipeline(ProgramPipelineID handle) const;
+    MemoryObject *getMemoryObject(MemoryObjectID handle) const;
+    Semaphore *getSemaphore(SemaphoreID handle) const;
+
+    Texture *getTextureByType(TextureType type) const;
+    Texture *getTextureByTarget(TextureTarget target) const;
+    Texture *getSamplerTexture(unsigned int sampler, TextureType type) const;
+
+    Compiler *getCompiler() const;
+
+    bool isVertexArrayGenerated(VertexArrayID vertexArray) const;
+    bool isTransformFeedbackGenerated(TransformFeedbackID transformFeedback) const;
+
+    bool isExternal() const { return mIsExternal; }
+    bool saveAndRestoreState() const { return mSaveAndRestoreState; }
+
+    void getBooleanvImpl(GLenum pname, GLboolean *params) const;
+    void getFloatvImpl(GLenum pname, GLfloat *params) const;
+    void getIntegervImpl(GLenum pname, GLint *params) const;
+    void getInteger64vImpl(GLenum pname, GLint64 *params) const;
+    void getIntegerVertexAttribImpl(GLenum pname, GLenum attribpname, GLint *params) const;
+    void getVertexAttribivImpl(GLuint index, GLenum pname, GLint *params) const;
+
+    // Framebuffers are owned by the Context, so these methods do not pass through
+    FramebufferID createFramebuffer();
+    void deleteFramebuffer(FramebufferID framebuffer);
+
+    bool hasActiveTransformFeedback(ShaderProgramID program) const;
+
+    // Desktop GL entry point interface
+    ANGLE_GL_1_CONTEXT_API
+    ANGLE_GL_2_CONTEXT_API
+    ANGLE_GL_3_CONTEXT_API
+    ANGLE_GL_4_CONTEXT_API
+
+    // GLES entry point interface
+    ANGLE_GLES_1_0_CONTEXT_API
+    ANGLE_GLES_2_0_CONTEXT_API
+    ANGLE_GLES_3_0_CONTEXT_API
+    ANGLE_GLES_3_1_CONTEXT_API
+    ANGLE_GLES_3_2_CONTEXT_API
+    ANGLE_GLES_EXT_CONTEXT_API
+
+    angle::Result handleNoopDrawEvent();
+
+    // Consumes an error.
+    void handleError(GLenum errorCode,
+                     const char *message,
+                     const char *file,
+                     const char *function,
+                     unsigned int line);
+
+    void validationError(angle::EntryPoint entryPoint, GLenum errorCode, const char *message) const;
+    ANGLE_FORMAT_PRINTF(4, 5)
+    void validationErrorF(angle::EntryPoint entryPoint,
+                          GLenum errorCode,
+                          const char *format,
+                          ...) const;
+
+    void markContextLost(GraphicsResetStatus status);
+
+    bool isContextLost() const { return mContextLost; }
+    void setContextLost();
+
+    GLenum getGraphicsResetStrategy() const { return mResetStrategy; }
+    bool isResetNotificationEnabled() const;
+
+    bool isRobustnessEnabled() const;
+
+    const egl::Config *getConfig() const;
+    EGLenum getClientType() const;
+    EGLenum getRenderBuffer() const;
+    EGLenum getContextPriority() const;
+
+    const GLubyte *getString(GLenum name) const;
+    const GLubyte *getStringi(GLenum name, GLuint index) const;
+
+    size_t getExtensionStringCount() const;
+
+    bool isExtensionRequestable(const char *name) const;
+    bool isExtensionDisablable(const char *name) const;
+    size_t getRequestableExtensionStringCount() const;
+    void setExtensionEnabled(const char *name, bool enabled);
+    void reinitializeAfterExtensionsChanged();
+
+    rx::ContextImpl *getImplementation() const { return mImplementation.get(); }
+
+    [[nodiscard]] bool getScratchBuffer(size_t requestedSizeBytes,
+                                        angle::MemoryBuffer **scratchBufferOut) const;
+    [[nodiscard]] bool getZeroFilledBuffer(size_t requstedSizeBytes,
+                                           angle::MemoryBuffer **zeroBufferOut) const;
+    angle::ScratchBuffer *getScratchBuffer() const;
+
+    angle::Result prepareForCopyImage();
+    angle::Result prepareForDispatch();
+    angle::Result prepareForInvalidate(GLenum target);
+
+    MemoryProgramCache *getMemoryProgramCache() const { return mMemoryProgramCache; }
+    MemoryShaderCache *getMemoryShaderCache() const { return mMemoryShaderCache; }
+
+    std::mutex &getProgramCacheMutex() const;
+
+    bool hasBeenCurrent() const { return mHasBeenCurrent; }
+    egl::Display *getDisplay() const { return mDisplay; }
+    egl::Surface *getCurrentDrawSurface() const { return mCurrentDrawSurface; }
+    egl::Surface *getCurrentReadSurface() const { return mCurrentReadSurface; }
+
+    bool isRobustResourceInitEnabled() const { return mState.isRobustResourceInitEnabled(); }
+
+    bool isCurrentTransformFeedback(const TransformFeedback *tf) const;
+
+    bool isCurrentVertexArray(const VertexArray *va) const
+    {
+        return mState.isCurrentVertexArray(va);
+    }
+
+    ANGLE_INLINE bool isShared() const { return mShared; }
+    // Once a context is setShared() it cannot be undone
+    void setShared() { mShared = true; }
+
+    const State &getState() const { return mState; }
+    GLint getClientMajorVersion() const { return mState.getClientMajorVersion(); }
+    GLint getClientMinorVersion() const { return mState.getClientMinorVersion(); }
+    const Version &getClientVersion() const { return mState.getClientVersion(); }
+    const Caps &getCaps() const { return mState.getCaps(); }
+    const TextureCapsMap &getTextureCaps() const { return mState.getTextureCaps(); }
+    const Extensions &getExtensions() const { return mState.getExtensions(); }
+    const Limitations &getLimitations() const { return mState.getLimitations(); }
+    bool isGLES1() const;
+
+    bool skipValidation() const
+    {
+        // Ensure we don't skip validation when context becomes lost, since implementations
+        // generally assume a non-lost context, non-null objects, etc.
+        ASSERT(!isContextLost() || !mSkipValidation);
+        return mSkipValidation;
+    }
+
+    // Specific methods needed for validation.
+    bool getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams) const;
+    bool getIndexedQueryParameterInfo(GLenum target, GLenum *type, unsigned int *numParams) const;
+
+    ANGLE_INLINE Program *getProgramResolveLink(ShaderProgramID handle) const
+    {
+        Program *program = mState.mShaderProgramManager->getProgram(handle);
+        if (program)
+        {
+            program->resolveLink(this);
+        }
+        return program;
+    }
+
+    Program *getProgramNoResolveLink(ShaderProgramID handle) const;
+    Shader *getShader(ShaderProgramID handle) const;
+
+    ANGLE_INLINE bool isTextureGenerated(TextureID texture) const
+    {
+        return mState.mTextureManager->isHandleGenerated(texture);
+    }
+
+    ANGLE_INLINE bool isBufferGenerated(BufferID buffer) const
+    {
+        return mState.mBufferManager->isHandleGenerated(buffer);
+    }
+
+    bool isRenderbufferGenerated(RenderbufferID renderbuffer) const;
+    bool isFramebufferGenerated(FramebufferID framebuffer) const;
+    bool isProgramPipelineGenerated(ProgramPipelineID pipeline) const;
+    bool isQueryGenerated(QueryID query) const;
+
+    bool usingDisplayTextureShareGroup() const;
+    bool usingDisplaySemaphoreShareGroup() const;
+
+    // Hack for the special WebGL 1 "DEPTH_STENCIL" internal format.
+    GLenum getConvertedRenderbufferFormat(GLenum internalformat) const;
+
+    bool isWebGL() const { return mState.isWebGL(); }
+    bool isWebGL1() const { return mState.isWebGL1(); }
+
+    bool isValidBufferBinding(BufferBinding binding) const { return mValidBufferBindings[binding]; }
+
+    // GLES1 emulation: Renderer level (for validation)
+    int vertexArrayIndex(ClientVertexArrayType type) const;
+    static int TexCoordArrayIndex(unsigned int unit);
+
+    // GL_KHR_parallel_shader_compile
+    std::shared_ptr<angle::WorkerThreadPool> getShaderCompileThreadPool() const
+    {
+        if (mState.mExtensions.parallelShaderCompileKHR)
+        {
+            return mMultiThreadPool;
+        }
+        return mSingleThreadPool;
+    }
+
+    // Generic multithread pool.
+    std::shared_ptr<angle::WorkerThreadPool> getWorkerThreadPool() const
+    {
+        return mMultiThreadPool;
+    }
+
+    const StateCache &getStateCache() const { return mStateCache; }
+    StateCache &getStateCache() { return mStateCache; }
+
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    void onSamplerUniformChange(size_t textureUnitIndex);
+
+    bool isBufferAccessValidationEnabled() const { return mBufferAccessValidationEnabled; }
+
+    const angle::FrontendFeatures &getFrontendFeatures() const;
+
+    angle::FrameCapture *getFrameCapture() const { return mFrameCapture.get(); }
+
+    const VertexArrayMap &getVertexArraysForCapture() const { return mVertexArrayMap; }
+    const QueryMap &getQueriesForCapture() const { return mQueryMap; }
+    const TransformFeedbackMap &getTransformFeedbacksForCapture() const
+    {
+        return mTransformFeedbackMap;
+    }
+
+    void onPreSwap() const;
+
+    Program *getActiveLinkedProgram() const;
+
+    // EGL_ANGLE_power_preference implementation.
+    egl::Error releaseHighPowerGPU();
+    egl::Error reacquireHighPowerGPU();
+    void onGPUSwitch();
+
+    bool noopDraw(PrimitiveMode mode, GLsizei count) const;
+    bool noopDrawInstanced(PrimitiveMode mode, GLsizei count, GLsizei instanceCount) const;
+
+    bool isClearBufferMaskedOut(GLenum buffer, GLint drawbuffer) const;
+    bool noopClearBuffer(GLenum buffer, GLint drawbuffer) const;
+
+    void addRef() const { mRefCount++; }
+    void release() const { mRefCount--; }
+    size_t getRefCount() const { return mRefCount; }
+
+    egl::ShareGroup *getShareGroup() const { return mState.getShareGroup(); }
+
+    bool supportsGeometryOrTesselation() const;
+    void dirtyAllState();
+
+    bool isDestroyed() const { return mIsDestroyed; }
+    void setIsDestroyed() { mIsDestroyed = true; }
+
+    void setLogicOpEnabled(bool enabled) { mState.setLogicOpEnabled(enabled); }
+    void setLogicOp(LogicalOperation opcode) { mState.setLogicOp(opcode); }
+
+    // Needed by capture serialization logic that works with a "const" Context pointer.
+    void finishImmutable() const;
+
+    const angle::PerfMonitorCounterGroups &getPerfMonitorCounterGroups() const;
+
+  private:
+    void initializeDefaultResources();
+
+    angle::Result prepareForDraw(PrimitiveMode mode);
+    angle::Result prepareForClear(GLbitfield mask);
+    angle::Result prepareForClearBuffer(GLenum buffer, GLint drawbuffer);
+    angle::Result syncState(const State::DirtyBits &bitMask,
+                            const State::DirtyObjects &objectMask,
+                            Command command);
+    angle::Result syncDirtyBits(Command command);
+    angle::Result syncDirtyBits(const State::DirtyBits &bitMask, Command command);
+    angle::Result syncDirtyObjects(const State::DirtyObjects &objectMask, Command command);
+    angle::Result syncStateForReadPixels();
+    angle::Result syncStateForTexImage();
+    angle::Result syncStateForBlit(GLbitfield mask);
+    angle::Result syncStateForClear();
+    angle::Result syncTextureForCopy(Texture *texture);
+
+    VertexArray *checkVertexArrayAllocation(VertexArrayID vertexArrayHandle);
+    TransformFeedback *checkTransformFeedbackAllocation(TransformFeedbackID transformFeedback);
+
+    angle::Result onProgramLink(Program *programObject);
+
+    void detachBuffer(Buffer *buffer);
+    void detachTexture(TextureID texture);
+    void detachFramebuffer(FramebufferID framebuffer);
+    void detachRenderbuffer(RenderbufferID renderbuffer);
+    void detachVertexArray(VertexArrayID vertexArray);
+    void detachTransformFeedback(TransformFeedbackID transformFeedback);
+    void detachSampler(SamplerID sampler);
+    void detachProgramPipeline(ProgramPipelineID pipeline);
+
+    egl::Error setDefaultFramebuffer(egl::Surface *drawSurface, egl::Surface *readSurface);
+    egl::Error unsetDefaultFramebuffer();
+
+    void initRendererString();
+    void initVersionStrings();
+    void initExtensionStrings();
+
+    Extensions generateSupportedExtensions() const;
+    void initCaps();
+    void updateCaps();
+
+    gl::LabeledObject *getLabeledObject(GLenum identifier, GLuint name) const;
+    gl::LabeledObject *getLabeledObjectFromPtr(const void *ptr) const;
+
+    void setUniform1iImpl(Program *program,
+                          UniformLocation location,
+                          GLsizei count,
+                          const GLint *v);
+    void renderbufferStorageMultisampleImpl(GLenum target,
+                                            GLsizei samples,
+                                            GLenum internalformat,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            MultisamplingMode mode);
+
+    State mState;
+    bool mShared;
+    bool mSkipValidation;
+    bool mDisplayTextureShareGroup;
+    bool mDisplaySemaphoreShareGroup;
+
+    // Recorded errors
+    ErrorSet mErrors;
+
+    // Stores for each buffer binding type whether is it allowed to be used in this context.
+    angle::PackedEnumBitSet<BufferBinding> mValidBufferBindings;
+
+    std::unique_ptr<rx::ContextImpl> mImplementation;
+
+    EGLLabelKHR mLabel;
+
+    // Extensions supported by the implementation plus extensions that are implemented entirely
+    // within the frontend.
+    Extensions mSupportedExtensions;
+
+    // Shader compiler. Lazily initialized hence the mutable value.
+    mutable BindingPointer<Compiler> mCompiler;
+
+    const egl::Config *mConfig;
+
+    TextureMap mZeroTextures;
+
+    ResourceMap<FenceNV, FenceNVID> mFenceNVMap;
+    HandleAllocator mFenceNVHandleAllocator;
+
+    QueryMap mQueryMap;
+    HandleAllocator mQueryHandleAllocator;
+
+    VertexArrayMap mVertexArrayMap;
+    HandleAllocator mVertexArrayHandleAllocator;
+
+    TransformFeedbackMap mTransformFeedbackMap;
+    HandleAllocator mTransformFeedbackHandleAllocator;
+
+    const char *mVersionString;
+    const char *mShadingLanguageString;
+    const char *mRendererString;
+    const char *mExtensionString;
+    std::vector<const char *> mExtensionStrings;
+    const char *mRequestableExtensionString;
+    std::vector<const char *> mRequestableExtensionStrings;
+
+    // GLES1 renderer state
+    std::unique_ptr<GLES1Renderer> mGLES1Renderer;
+
+    // Current/lost context flags
+    bool mHasBeenCurrent;
+    bool mContextLost;  // Set with setContextLost so that we also set mSkipValidation=false.
+    GraphicsResetStatus mResetStatus;
+    bool mContextLostForced;
+    GLenum mResetStrategy;
+    const bool mSurfacelessSupported;
+    egl::Surface *mCurrentDrawSurface;
+    egl::Surface *mCurrentReadSurface;
+    egl::Display *mDisplay;
+    const bool mWebGLContext;
+    bool mBufferAccessValidationEnabled;
+    const bool mExtensionsEnabled;
+    MemoryProgramCache *mMemoryProgramCache;
+    MemoryShaderCache *mMemoryShaderCache;
+
+    State::DirtyObjects mDrawDirtyObjects;
+
+    StateCache mStateCache;
+
+    State::DirtyBits mAllDirtyBits;
+    State::DirtyBits mTexImageDirtyBits;
+    State::DirtyObjects mTexImageDirtyObjects;
+    State::DirtyBits mReadPixelsDirtyBits;
+    State::DirtyObjects mReadPixelsDirtyObjects;
+    State::DirtyBits mClearDirtyBits;
+    State::DirtyObjects mClearDirtyObjects;
+    State::DirtyBits mBlitDirtyBits;
+    State::DirtyObjects mBlitDirtyObjects;
+    State::DirtyBits mComputeDirtyBits;
+    State::DirtyObjects mComputeDirtyObjects;
+    State::DirtyBits mCopyImageDirtyBits;
+    State::DirtyObjects mCopyImageDirtyObjects;
+    State::DirtyBits mReadInvalidateDirtyBits;
+    State::DirtyBits mDrawInvalidateDirtyBits;
+
+    // Binding to container objects that use dependent state updates.
+    angle::ObserverBinding mVertexArrayObserverBinding;
+    angle::ObserverBinding mDrawFramebufferObserverBinding;
+    angle::ObserverBinding mReadFramebufferObserverBinding;
+    angle::ObserverBinding mProgramPipelineObserverBinding;
+    std::vector<angle::ObserverBinding> mUniformBufferObserverBindings;
+    std::vector<angle::ObserverBinding> mAtomicCounterBufferObserverBindings;
+    std::vector<angle::ObserverBinding> mShaderStorageBufferObserverBindings;
+    std::vector<angle::ObserverBinding> mSamplerObserverBindings;
+    std::vector<angle::ObserverBinding> mImageObserverBindings;
+
+    // Not really a property of context state. The size and contexts change per-api-call.
+    mutable Optional<angle::ScratchBuffer> mScratchBuffer;
+    mutable Optional<angle::ScratchBuffer> mZeroFilledBuffer;
+
+    // Single-threaded pool may not always be initialized. It currently depends on the extension
+    // GL_KHR_parallel_shader_compile being disabled.
+    std::shared_ptr<angle::WorkerThreadPool> mSingleThreadPool;
+    // Multithreaded pool will always be initialized so it can be used for more generic work.
+    std::shared_ptr<angle::WorkerThreadPool> mMultiThreadPool;
+
+    // Note: we use a raw pointer here so we can exclude frame capture sources from the build.
+    std::unique_ptr<angle::FrameCapture> mFrameCapture;
+
+    // Cache representation of the serialized context string.
+    mutable std::string mCachedSerializedStateString;
+
+    mutable size_t mRefCount;
+
+    OverlayType mOverlay;
+
+    const bool mIsExternal;
+    const bool mSaveAndRestoreState;
+
+    bool mIsDestroyed;
+
+    std::unique_ptr<Framebuffer> mDefaultFramebuffer;
+};
+
+class [[nodiscard]] ScopedContextRef
+{
+  public:
+    ScopedContextRef(Context *context) : mContext(context)
+    {
+        if (mContext)
+        {
+            mContext->addRef();
+        }
+    }
+    ~ScopedContextRef()
+    {
+        if (mContext)
+        {
+            mContext->release();
+        }
+    }
+
+  private:
+    Context *const mContext;
+};
+
+// Thread-local current valid context bound to the thread.
+#if defined(ANGLE_PLATFORM_APPLE)
+extern Context *GetCurrentValidContextTLS();
+extern void SetCurrentValidContextTLS(Context *context);
+#else
+extern thread_local Context *gCurrentValidContext;
+#endif
+
+}  // namespace gl
+
+#endif  // LIBANGLE_CONTEXT_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context.inl.h b/gfx/angle/checkout/src/libANGLE/Context.inl.h
new file mode 100644
index 0000000000..3a0573d307
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context.inl.h
@@ -0,0 +1,176 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Context.inl.h: Defines inline functions of gl::Context class
+// Has to be included after libANGLE/Context.h when using one
+// of the defined functions
+
+#ifndef LIBANGLE_CONTEXT_INL_H_
+#define LIBANGLE_CONTEXT_INL_H_
+
+#include "libANGLE/Context.h"
+#include "libANGLE/GLES1Renderer.h"
+#include "libANGLE/renderer/ContextImpl.h"
+
+#define ANGLE_HANDLE_ERR(X) \
+    (void)(X);              \
+    return;
+#define ANGLE_CONTEXT_TRY(EXPR) ANGLE_TRY_TEMPLATE(EXPR, ANGLE_HANDLE_ERR)
+
+namespace gl
+{
+constexpr angle::PackedEnumMap<PrimitiveMode, GLsizei> kMinimumPrimitiveCounts = {{
+    {PrimitiveMode::Points, 1},
+    {PrimitiveMode::Lines, 2},
+    {PrimitiveMode::LineLoop, 2},
+    {PrimitiveMode::LineStrip, 2},
+    {PrimitiveMode::Triangles, 3},
+    {PrimitiveMode::TriangleStrip, 3},
+    {PrimitiveMode::TriangleFan, 3},
+    {PrimitiveMode::LinesAdjacency, 2},
+    {PrimitiveMode::LineStripAdjacency, 2},
+    {PrimitiveMode::TrianglesAdjacency, 3},
+    {PrimitiveMode::TriangleStripAdjacency, 3},
+}};
+
+ANGLE_INLINE void MarkTransformFeedbackBufferUsage(const Context *context,
+                                                   GLsizei count,
+                                                   GLsizei instanceCount)
+{
+    if (context->getStateCache().isTransformFeedbackActiveUnpaused())
+    {
+        TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback();
+        transformFeedback->onVerticesDrawn(context, count, instanceCount);
+    }
+}
+
+ANGLE_INLINE void MarkShaderStorageUsage(const Context *context)
+{
+    for (size_t index : context->getStateCache().getActiveShaderStorageBufferIndices())
+    {
+        Buffer *buffer = context->getState().getIndexedShaderStorageBuffer(index).get();
+        if (buffer)
+        {
+            buffer->onDataChanged();
+        }
+    }
+
+    for (size_t index : context->getStateCache().getActiveImageUnitIndices())
+    {
+        const ImageUnit &imageUnit = context->getState().getImageUnit(index);
+        const Texture *texture     = imageUnit.texture.get();
+        if (texture)
+        {
+            texture->onStateChange(angle::SubjectMessage::ContentsChanged);
+        }
+    }
+}
+
+// Return true if the draw is a no-op, else return false.
+//  If there is no active program for the vertex or fragment shader stages, the results of vertex
+//  and fragment shader execution will respectively be undefined. However, this is not
+//  an error. ANGLE will treat this as a no-op.
+//  A no-op draw occurs if the count of vertices is less than the minimum required to
+//  have a valid primitive for this mode (0 for points, 0-1 for lines, 0-2 for tris).
+ANGLE_INLINE bool Context::noopDraw(PrimitiveMode mode, GLsizei count) const
+{
+    if (!mStateCache.getCanDraw())
+    {
+        return true;
+    }
+
+    return count < kMinimumPrimitiveCounts[mode];
+}
+
+ANGLE_INLINE angle::Result Context::syncDirtyBits(Command command)
+{
+    const State::DirtyBits &dirtyBits = mState.getDirtyBits();
+    ANGLE_TRY(mImplementation->syncState(this, dirtyBits, mAllDirtyBits, command));
+    mState.clearDirtyBits();
+    return angle::Result::Continue;
+}
+
+ANGLE_INLINE angle::Result Context::syncDirtyBits(const State::DirtyBits &bitMask, Command command)
+{
+    const State::DirtyBits &dirtyBits = (mState.getDirtyBits() & bitMask);
+    ANGLE_TRY(mImplementation->syncState(this, dirtyBits, bitMask, command));
+    mState.clearDirtyBits(dirtyBits);
+    return angle::Result::Continue;
+}
+
+ANGLE_INLINE angle::Result Context::syncDirtyObjects(const State::DirtyObjects &objectMask,
+                                                     Command command)
+{
+    return mState.syncDirtyObjects(this, objectMask, command);
+}
+
+ANGLE_INLINE angle::Result Context::prepareForDraw(PrimitiveMode mode)
+{
+    if (mGLES1Renderer)
+    {
+        ANGLE_TRY(mGLES1Renderer->prepareForDraw(mode, this, &mState));
+    }
+
+    ANGLE_TRY(syncDirtyObjects(mDrawDirtyObjects, Command::Draw));
+    ASSERT(!isRobustResourceInitEnabled() ||
+           !mState.getDrawFramebuffer()->hasResourceThatNeedsInit());
+    return syncDirtyBits(Command::Draw);
+}
+
+ANGLE_INLINE void Context::drawArrays(PrimitiveMode mode, GLint first, GLsizei count)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDraw(mode, count))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->drawArrays(this, mode, first, count));
+    MarkTransformFeedbackBufferUsage(this, count, 1);
+}
+
+ANGLE_INLINE void Context::drawElements(PrimitiveMode mode,
+                                        GLsizei count,
+                                        DrawElementsType type,
+                                        const void *indices)
+{
+    // No-op if count draws no primitives for given mode
+    if (noopDraw(mode, count))
+    {
+        ANGLE_CONTEXT_TRY(mImplementation->handleNoopDrawEvent());
+        return;
+    }
+
+    ANGLE_CONTEXT_TRY(prepareForDraw(mode));
+    ANGLE_CONTEXT_TRY(mImplementation->drawElements(this, mode, count, type, indices));
+}
+
+ANGLE_INLINE void StateCache::onBufferBindingChange(Context *context)
+{
+    updateBasicDrawStatesError();
+    updateBasicDrawElementsError();
+}
+
+ANGLE_INLINE void Context::bindBuffer(BufferBinding target, BufferID buffer)
+{
+    Buffer *bufferObject =
+        mState.mBufferManager->checkBufferAllocation(mImplementation.get(), buffer);
+
+    // Early return if rebinding the same buffer
+    if (bufferObject == mState.getTargetBuffer(target))
+    {
+        return;
+    }
+
+    mState.setBufferBinding(this, target, bufferObject);
+    mStateCache.onBufferBindingChange(this);
+}
+
+}  // namespace gl
+
+#endif  // LIBANGLE_CONTEXT_INL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gl.cpp b/gfx/angle/checkout/src/libANGLE/Context_gl.cpp
new file mode 100644
index 0000000000..28f3685a20
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gl.cpp
@@ -0,0 +1,3706 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gl.cpp: Implements the GL specific parts of Context.
+
+#include "Context.h"
+#include "common/debug.h"
+
+namespace gl
+{
+
+void Context::compressedTexImage1D(GLenum target,
+                                   GLint level,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLint border,
+                                   GLsizei imageSize,
+                                   const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::compressedTexSubImage1D(GLenum target,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLsizei width,
+                                      GLenum format,
+                                      GLsizei imageSize,
+                                      const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::loadTransposeMatrixd(const GLdouble *m)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::loadTransposeMatrixf(const GLfloat *m)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multTransposeMatrixd(const GLdouble *m)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multTransposeMatrixf(const GLfloat *m)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1d(GLenum target, GLdouble s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1dv(GLenum target, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1f(GLenum target, GLfloat s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1fv(GLenum target, const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1i(GLenum target, GLint s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1iv(GLenum target, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1s(GLenum target, GLshort s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord1sv(GLenum target, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2d(GLenum target, GLdouble s, GLdouble t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2dv(GLenum target, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2f(GLenum target, GLfloat s, GLfloat t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2fv(GLenum target, const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2i(GLenum target, GLint s, GLint t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2iv(GLenum target, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2s(GLenum target, GLshort s, GLshort t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord2sv(GLenum target, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3d(GLenum target, GLdouble s, GLdouble t, GLdouble r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3dv(GLenum target, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3f(GLenum target, GLfloat s, GLfloat t, GLfloat r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3fv(GLenum target, const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3i(GLenum target, GLint s, GLint t, GLint r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3iv(GLenum target, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3s(GLenum target, GLshort s, GLshort t, GLshort r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord3sv(GLenum target, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord4d(GLenum target, GLdouble s, GLdouble t, GLdouble r, GLdouble q)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord4dv(GLenum target, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord4fv(GLenum target, const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord4i(GLenum target, GLint s, GLint t, GLint r, GLint q)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord4iv(GLenum target, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord4s(GLenum target, GLshort s, GLshort t, GLshort r, GLshort q)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoord4sv(GLenum target, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getVertexAttribdv(GLuint index, GLenum pname, GLdouble *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib1d(GLuint index, GLdouble x)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib1dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib1s(GLuint index, GLshort x)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib1sv(GLuint index, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib2d(GLuint index, GLdouble x, GLdouble y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib2dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib2s(GLuint index, GLshort x, GLshort y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib2sv(GLuint index, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib3d(GLuint index, GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib3dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib3s(GLuint index, GLshort x, GLshort y, GLshort z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib3sv(GLuint index, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4Nbv(GLuint index, const GLbyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4Niv(GLuint index, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4Nsv(GLuint index, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4Nub(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4Nubv(GLuint index, const GLubyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4Nuiv(GLuint index, const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4Nusv(GLuint index, const GLushort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4bv(GLuint index, const GLbyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4d(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4iv(GLuint index, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4s(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4sv(GLuint index, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4ubv(GLuint index, const GLubyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4uiv(GLuint index, const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttrib4usv(GLuint index, const GLushort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::beginConditionalRender(GLuint id, GLenum mode)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clampColor(GLenum target, GLenum clamp)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::endConditionalRender()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::framebufferTexture1D(GLenum target,
+                                   GLenum attachment,
+                                   TextureTarget textarget,
+                                   TextureID texture,
+                                   GLint level)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI1i(GLuint index, GLint x)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI1iv(GLuint index, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI1ui(GLuint index, GLuint x)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI1uiv(GLuint index, const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI2i(GLuint index, GLint x, GLint y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI2iv(GLuint index, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI2ui(GLuint index, GLuint x, GLuint y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI2uiv(GLuint index, const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI3i(GLuint index, GLint x, GLint y, GLint z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI3iv(GLuint index, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI3ui(GLuint index, GLuint x, GLuint y, GLuint z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI3uiv(GLuint index, const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI4bv(GLuint index, const GLbyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI4sv(GLuint index, const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI4ubv(GLuint index, const GLubyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribI4usv(GLuint index, const GLushort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getActiveUniformName(ShaderProgramID program,
+                                   GLuint uniformIndex,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLchar *uniformName)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::primitiveRestartIndex(GLuint index)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::fogCoordPointer(GLenum type, GLsizei stride, const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::fogCoordd(GLdouble coord)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::fogCoorddv(const GLdouble *coord)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::fogCoordf(GLfloat coord)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::fogCoordfv(const GLfloat *coord)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pointParameteri(GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pointParameteriv(GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3b(GLbyte red, GLbyte green, GLbyte blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3bv(const GLbyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3d(GLdouble red, GLdouble green, GLdouble blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3f(GLfloat red, GLfloat green, GLfloat blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3i(GLint red, GLint green, GLint blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3s(GLshort red, GLshort green, GLshort blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3ub(GLubyte red, GLubyte green, GLubyte blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3ubv(const GLubyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3ui(GLuint red, GLuint green, GLuint blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3uiv(const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3us(GLushort red, GLushort green, GLushort blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColor3usv(const GLushort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColorPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2d(GLdouble x, GLdouble y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2f(GLfloat x, GLfloat y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2i(GLint x, GLint y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2s(GLshort x, GLshort y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos2sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3d(GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3f(GLfloat x, GLfloat y, GLfloat z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3i(GLint x, GLint y, GLint z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3s(GLshort x, GLshort y, GLshort z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::windowPos3sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::accum(GLenum op, GLfloat value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::begin(GLenum mode)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bitmap(GLsizei width,
+                     GLsizei height,
+                     GLfloat xorig,
+                     GLfloat yorig,
+                     GLfloat xmove,
+                     GLfloat ymove,
+                     const GLubyte *bitmap)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::callList(GLuint list)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::callLists(GLsizei n, GLenum type, const void *lists)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearAccum(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearDepth(GLdouble depth)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearIndex(GLfloat c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clipPlane(GLenum plane, const GLdouble *equation)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3b(GLbyte red, GLbyte green, GLbyte blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3bv(const GLbyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3d(GLdouble red, GLdouble green, GLdouble blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3f(GLfloat red, GLfloat green, GLfloat blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3i(GLint red, GLint green, GLint blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3s(GLshort red, GLshort green, GLshort blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3ub(GLubyte red, GLubyte green, GLubyte blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3ubv(const GLubyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3ui(GLuint red, GLuint green, GLuint blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3uiv(const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3us(GLushort red, GLushort green, GLushort blue)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color3usv(const GLushort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4b(GLbyte red, GLbyte green, GLbyte blue, GLbyte alpha)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4bv(const GLbyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4d(GLdouble red, GLdouble green, GLdouble blue, GLdouble alpha)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4i(GLint red, GLint green, GLint blue, GLint alpha)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4s(GLshort red, GLshort green, GLshort blue, GLshort alpha)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4ubv(const GLubyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4ui(GLuint red, GLuint green, GLuint blue, GLuint alpha)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4uiv(const GLuint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4us(GLushort red, GLushort green, GLushort blue, GLushort alpha)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::color4usv(const GLushort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::colorMaterial(GLenum face, GLenum mode)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::copyPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum type)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::deleteLists(GLuint list, GLsizei range)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::depthRange(GLdouble n, GLdouble f)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::drawBuffer(GLenum buf)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::drawPixels(GLsizei width,
+                         GLsizei height,
+                         GLenum format,
+                         GLenum type,
+                         const void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::edgeFlag(GLboolean flag)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::edgeFlagv(const GLboolean *flag)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::end()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::endList()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord1d(GLdouble u)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord1dv(const GLdouble *u)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord1f(GLfloat u)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord1fv(const GLfloat *u)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord2d(GLdouble u, GLdouble v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord2dv(const GLdouble *u)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord2f(GLfloat u, GLfloat v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalCoord2fv(const GLfloat *u)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalMesh1(GLenum mode, GLint i1, GLint i2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalPoint1(GLint i)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::evalPoint2(GLint i, GLint j)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::feedbackBuffer(GLsizei size, GLenum type, GLfloat *buffer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::fogi(GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::fogiv(GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::frustum(GLdouble left,
+                      GLdouble right,
+                      GLdouble bottom,
+                      GLdouble top,
+                      GLdouble zNear,
+                      GLdouble zFar)
+{
+    UNIMPLEMENTED();
+}
+
+GLuint Context::genLists(GLsizei range)
+{
+    UNIMPLEMENTED();
+    return 0;
+}
+
+void Context::getClipPlane(GLenum plane, GLdouble *equation)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getDoublev(GLenum pname, GLdouble *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getLightiv(GLenum light, GLenum pname, GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getMapdv(GLenum target, GLenum query, GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getMapfv(GLenum target, GLenum query, GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getMapiv(GLenum target, GLenum query, GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getMaterialiv(GLenum face, GLenum pname, GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getPixelMapfv(GLenum map, GLfloat *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getPixelMapuiv(GLenum map, GLuint *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getPixelMapusv(GLenum map, GLushort *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getPolygonStipple(GLubyte *mask)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTexGendv(GLenum coord, GLenum pname, GLdouble *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexMask(GLuint mask)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexd(GLdouble c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexdv(const GLdouble *c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexf(GLfloat c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexfv(const GLfloat *c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexi(GLint c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexiv(const GLint *c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexs(GLshort c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexsv(const GLshort *c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::initNames()
+{
+    UNIMPLEMENTED();
+}
+
+GLboolean Context::isList(GLuint list) const
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+void Context::lightModeli(GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::lightModeliv(GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::lighti(GLenum light, GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::lightiv(GLenum light, GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::lineStipple(GLint factor, GLushort pattern)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::listBase(GLuint base)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::loadMatrixd(const GLdouble *m)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::loadName(GLuint name)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::map1d(GLenum target,
+                    GLdouble u1,
+                    GLdouble u2,
+                    GLint stride,
+                    GLint order,
+                    const GLdouble *points)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::map1f(GLenum target,
+                    GLfloat u1,
+                    GLfloat u2,
+                    GLint stride,
+                    GLint order,
+                    const GLfloat *points)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::map2d(GLenum target,
+                    GLdouble u1,
+                    GLdouble u2,
+                    GLint ustride,
+                    GLint uorder,
+                    GLdouble v1,
+                    GLdouble v2,
+                    GLint vstride,
+                    GLint vorder,
+                    const GLdouble *points)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::map2f(GLenum target,
+                    GLfloat u1,
+                    GLfloat u2,
+                    GLint ustride,
+                    GLint uorder,
+                    GLfloat v1,
+                    GLfloat v2,
+                    GLint vstride,
+                    GLint vorder,
+                    const GLfloat *points)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::mapGrid1d(GLint un, GLdouble u1, GLdouble u2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::mapGrid1f(GLint un, GLfloat u1, GLfloat u2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::mapGrid2d(GLint un, GLdouble u1, GLdouble u2, GLint vn, GLdouble v1, GLdouble v2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::mapGrid2f(GLint un, GLfloat u1, GLfloat u2, GLint vn, GLfloat v1, GLfloat v2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::materiali(GLenum face, GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::materialiv(GLenum face, GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multMatrixd(const GLdouble *m)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::newList(GLuint list, GLenum mode)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3b(GLbyte nx, GLbyte ny, GLbyte nz)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3bv(const GLbyte *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3d(GLdouble nx, GLdouble ny, GLdouble nz)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3i(GLint nx, GLint ny, GLint nz)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3s(GLshort nx, GLshort ny, GLshort nz)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normal3sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::ortho(GLdouble left,
+                    GLdouble right,
+                    GLdouble bottom,
+                    GLdouble top,
+                    GLdouble zNear,
+                    GLdouble zFar)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::passThrough(GLfloat token)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pixelMapfv(GLenum map, GLsizei mapsize, const GLfloat *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pixelStoref(GLenum pname, GLfloat param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pixelTransferf(GLenum pname, GLfloat param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pixelTransferi(GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pixelZoom(GLfloat xfactor, GLfloat yfactor)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::polygonMode(GLenum face, GLenum mode)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::polygonStipple(const GLubyte *mask)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::popAttrib()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::popName()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pushAttrib(GLbitfield mask)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pushName(GLuint name)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2d(GLdouble x, GLdouble y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2f(GLfloat x, GLfloat y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2i(GLint x, GLint y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2s(GLshort x, GLshort y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos2sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3d(GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3f(GLfloat x, GLfloat y, GLfloat z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3i(GLint x, GLint y, GLint z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3s(GLshort x, GLshort y, GLshort z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos3sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4i(GLint x, GLint y, GLint z, GLint w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rasterPos4sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rectd(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rectdv(const GLdouble *v1, const GLdouble *v2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rectfv(const GLfloat *v1, const GLfloat *v2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::recti(GLint x1, GLint y1, GLint x2, GLint y2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rectiv(const GLint *v1, const GLint *v2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rects(GLshort x1, GLshort y1, GLshort x2, GLshort y2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::rectsv(const GLshort *v1, const GLshort *v2)
+{
+    UNIMPLEMENTED();
+}
+
+GLint Context::renderMode(GLenum mode)
+{
+    UNIMPLEMENTED();
+    return 0;
+}
+
+void Context::rotated(GLdouble angle, GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::scaled(GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::selectBuffer(GLsizei size, GLuint *buffer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1d(GLdouble s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1f(GLfloat s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1i(GLint s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1s(GLshort s)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord1sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2d(GLdouble s, GLdouble t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2f(GLfloat s, GLfloat t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2i(GLint s, GLint t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2s(GLshort s, GLshort t)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord2sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3d(GLdouble s, GLdouble t, GLdouble r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3f(GLfloat s, GLfloat t, GLfloat r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3i(GLint s, GLint t, GLint r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3s(GLshort s, GLshort t, GLshort r)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord3sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4d(GLdouble s, GLdouble t, GLdouble r, GLdouble q)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4f(GLfloat s, GLfloat t, GLfloat r, GLfloat q)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4i(GLint s, GLint t, GLint r, GLint q)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4s(GLshort s, GLshort t, GLshort r, GLshort q)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoord4sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGend(GLenum coord, GLenum pname, GLdouble param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGendv(GLenum coord, GLenum pname, const GLdouble *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texImage1D(GLenum target,
+                         GLint level,
+                         GLint internalformat,
+                         GLsizei width,
+                         GLint border,
+                         GLenum format,
+                         GLenum type,
+                         const void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::translated(GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2d(GLdouble x, GLdouble y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2f(GLfloat x, GLfloat y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2i(GLint x, GLint y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2s(GLshort x, GLshort y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex2sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3d(GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3f(GLfloat x, GLfloat y, GLfloat z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3i(GLint x, GLint y, GLint z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3s(GLshort x, GLshort y, GLshort z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex3sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4dv(const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4fv(const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4i(GLint x, GLint y, GLint z, GLint w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4iv(const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4s(GLshort x, GLshort y, GLshort z, GLshort w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertex4sv(const GLshort *v)
+{
+    UNIMPLEMENTED();
+}
+
+GLboolean Context::areTexturesResident(GLsizei n, const GLuint *textures, GLboolean *residences)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+void Context::arrayElement(GLint i)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::copyTexImage1D(GLenum target,
+                             GLint level,
+                             GLenum internalformat,
+                             GLint x,
+                             GLint y,
+                             GLsizei width,
+                             GLint border)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::copyTexSubImage1D(GLenum target,
+                                GLint level,
+                                GLint xoffset,
+                                GLint x,
+                                GLint y,
+                                GLsizei width)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::edgeFlagPointer(GLsizei stride, const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexPointer(GLenum type, GLsizei stride, const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexub(GLubyte c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::indexubv(const GLubyte *c)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::interleavedArrays(GLenum format, GLsizei stride, const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::popClientAttrib()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::prioritizeTextures(GLsizei n, const GLuint *textures, const GLfloat *priorities)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::pushClientAttrib(GLbitfield mask)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texSubImage1D(GLenum target,
+                            GLint level,
+                            GLint xoffset,
+                            GLsizei width,
+                            GLenum format,
+                            GLenum type,
+                            const void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiDrawElementsBaseVertex(PrimitiveMode mode,
+                                          const GLsizei *count,
+                                          DrawElementsType type,
+                                          const void *const *indices,
+                                          GLsizei drawcount,
+                                          const GLint *basevertex)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texImage2DMultisample(GLenum target,
+                                    GLsizei samples,
+                                    GLenum internalformat,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLboolean fixedsamplelocations)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texImage3DMultisample(GLenum target,
+                                    GLsizei samples,
+                                    GLenum internalformat,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLsizei depth,
+                                    GLboolean fixedsamplelocations)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::colorP3ui(GLenum type, GLuint color)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::colorP3uiv(GLenum type, const GLuint *color)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::colorP4ui(GLenum type, GLuint color)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::colorP4uiv(GLenum type, const GLuint *color)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP1ui(GLenum texture, GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP1uiv(GLenum texture, GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP2ui(GLenum texture, GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP2uiv(GLenum texture, GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP3ui(GLenum texture, GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP3uiv(GLenum texture, GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP4ui(GLenum texture, GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiTexCoordP4uiv(GLenum texture, GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normalP3ui(GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::normalP3uiv(GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColorP3ui(GLenum type, GLuint color)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::secondaryColorP3uiv(GLenum type, const GLuint *color)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP1ui(GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP1uiv(GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP2ui(GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP2uiv(GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP3ui(GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP3uiv(GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP4ui(GLenum type, GLuint coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texCoordP4uiv(GLenum type, const GLuint *coords)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP1ui(GLuint index, GLenum type, GLboolean normalized, GLuint value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP1uiv(GLuint index,
+                                GLenum type,
+                                GLboolean normalized,
+                                const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP2ui(GLuint index, GLenum type, GLboolean normalized, GLuint value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP2uiv(GLuint index,
+                                GLenum type,
+                                GLboolean normalized,
+                                const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP3ui(GLuint index, GLenum type, GLboolean normalized, GLuint value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP3uiv(GLuint index,
+                                GLenum type,
+                                GLboolean normalized,
+                                const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP4ui(GLuint index, GLenum type, GLboolean normalized, GLuint value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribP4uiv(GLuint index,
+                                GLenum type,
+                                GLboolean normalized,
+                                const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexP2ui(GLenum type, GLuint value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexP2uiv(GLenum type, const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexP3ui(GLenum type, GLuint value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexP3uiv(GLenum type, const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexP4ui(GLenum type, GLuint value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexP4uiv(GLenum type, const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::beginQueryIndexed(GLenum target, GLuint index, QueryID id)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::drawTransformFeedback(GLenum mode, TransformFeedbackID id)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::drawTransformFeedbackStream(GLenum mode, TransformFeedbackID id, GLuint stream)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::endQueryIndexed(GLenum target, GLuint index)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getActiveSubroutineName(ShaderProgramID program,
+                                      GLenum shadertype,
+                                      GLuint index,
+                                      GLsizei bufsize,
+                                      GLsizei *length,
+                                      GLchar *name)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getActiveSubroutineUniformName(ShaderProgramID program,
+                                             GLenum shadertype,
+                                             GLuint index,
+                                             GLsizei bufsize,
+                                             GLsizei *length,
+                                             GLchar *name)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getActiveSubroutineUniformiv(ShaderProgramID program,
+                                           GLenum shadertype,
+                                           GLuint index,
+                                           GLenum pname,
+                                           GLint *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getProgramStageiv(ShaderProgramID program,
+                                GLenum shadertype,
+                                GLenum pname,
+                                GLint *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getQueryIndexediv(GLenum target, GLuint index, GLenum pname, GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+GLuint Context::getSubroutineIndex(ShaderProgramID program, GLenum shadertype, const GLchar *name)
+{
+    UNIMPLEMENTED();
+    return 0;
+}
+
+GLint Context::getSubroutineUniformLocation(ShaderProgramID program,
+                                            GLenum shadertype,
+                                            const GLchar *name)
+{
+    UNIMPLEMENTED();
+    return 0;
+}
+
+void Context::getUniformSubroutineuiv(GLenum shadertype, GLint location, GLuint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getUniformdv(ShaderProgramID program, UniformLocation location, GLdouble *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::patchParameterfv(GLenum pname, const GLfloat *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform1d(UniformLocation location, GLdouble x)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform1dv(UniformLocation location, GLsizei count, const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform2d(UniformLocation location, GLdouble x, GLdouble y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform2dv(UniformLocation location, GLsizei count, const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform3d(UniformLocation location, GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform3dv(UniformLocation location, GLsizei count, const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform4d(UniformLocation location, GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniform4dv(UniformLocation location, GLsizei count, const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix2dv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix2x3dv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix2x4dv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix3dv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix3x2dv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix3x4dv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix4dv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix4x2dv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformMatrix4x3dv(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::uniformSubroutinesuiv(GLenum shadertype, GLsizei count, const GLuint *indices)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::depthRangeArrayv(GLuint first, GLsizei count, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::depthRangeIndexed(GLuint index, GLdouble n, GLdouble f)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getDoublei_v(GLenum target, GLuint index, GLdouble *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getFloati_v(GLenum target, GLuint index, GLfloat *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform1d(ShaderProgramID program, UniformLocation location, GLdouble v0)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform1dv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform2d(ShaderProgramID program,
+                               UniformLocation location,
+                               GLdouble v0,
+                               GLdouble v1)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform2dv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform3d(ShaderProgramID program,
+                               UniformLocation location,
+                               GLdouble v0,
+                               GLdouble v1,
+                               GLdouble v2)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform3dv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform4d(ShaderProgramID program,
+                               UniformLocation location,
+                               GLdouble v0,
+                               GLdouble v1,
+                               GLdouble v2,
+                               GLdouble v3)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniform4dv(ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count,
+                                const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix2dv(ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose,
+                                      const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix2x3dv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix2x4dv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix3dv(ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose,
+                                      const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix3x2dv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix3x4dv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix4dv(ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose,
+                                      const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix4x2dv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::programUniformMatrix4x3dv(ShaderProgramID program,
+                                        UniformLocation location,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLdouble *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::scissorArrayv(GLuint first, GLsizei count, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::scissorIndexed(GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::scissorIndexedv(GLuint index, const GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL1d(GLuint index, GLdouble x)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL1dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL2d(GLuint index, GLdouble x, GLdouble y)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL2dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL3d(GLuint index, GLdouble x, GLdouble y, GLdouble z)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL3dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL4d(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribL4dv(GLuint index, const GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribLPointer(GLuint index,
+                                   GLint size,
+                                   GLenum type,
+                                   GLsizei stride,
+                                   const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::viewportArrayv(GLuint first, GLsizei count, const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::viewportIndexedf(GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::viewportIndexedfv(GLuint index, const GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::drawTransformFeedbackInstanced(GLenum mode,
+                                             TransformFeedbackID id,
+                                             GLsizei instancecount)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::drawTransformFeedbackStreamInstanced(GLenum mode,
+                                                   TransformFeedbackID id,
+                                                   GLuint stream,
+                                                   GLsizei instancecount)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getActiveAtomicCounterBufferiv(ShaderProgramID program,
+                                             GLuint bufferIndex,
+                                             GLenum pname,
+                                             GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearBufferData(GLenum target,
+                              GLenum internalformat,
+                              GLenum format,
+                              GLenum type,
+                              const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearBufferSubData(GLenum target,
+                                 GLenum internalformat,
+                                 GLintptr offset,
+                                 GLsizeiptr size,
+                                 GLenum format,
+                                 GLenum type,
+                                 const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getInternalformati64v(GLenum target,
+                                    GLenum internalformat,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    GLint64 *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::invalidateBufferData(BufferID buffer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::invalidateBufferSubData(BufferID buffer, GLintptr offset, GLsizeiptr length)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::invalidateTexImage(TextureID texture, GLint level)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::invalidateTexSubImage(TextureID texture,
+                                    GLint level,
+                                    GLint xoffset,
+                                    GLint yoffset,
+                                    GLint zoffset,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLsizei depth)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::shaderStorageBlockBinding(ShaderProgramID program,
+                                        GLuint storageBlockIndex,
+                                        GLuint storageBlockBinding)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureView(TextureID texture,
+                          GLenum target,
+                          GLuint origtexture,
+                          GLenum internalformat,
+                          GLuint minlevel,
+                          GLuint numlevels,
+                          GLuint minlayer,
+                          GLuint numlayers)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexAttribLFormat(GLuint attribindex,
+                                  GLint size,
+                                  GLenum type,
+                                  GLuint relativeoffset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bindBuffersBase(GLenum target, GLuint first, GLsizei count, const BufferID *buffers)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bindBuffersRange(GLenum target,
+                               GLuint first,
+                               GLsizei count,
+                               const BufferID *buffers,
+                               const GLintptr *offsets,
+                               const GLsizeiptr *sizes)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bindImageTextures(GLuint first, GLsizei count, const GLuint *textures)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bindSamplers(GLuint first, GLsizei count, const GLuint *samplers)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bindTextures(GLuint first, GLsizei count, const GLuint *textures)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bindVertexBuffers(GLuint first,
+                                GLsizei count,
+                                const BufferID *buffers,
+                                const GLintptr *offsets,
+                                const GLsizei *strides)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearTexImage(TextureID texture,
+                            GLint level,
+                            GLenum format,
+                            GLenum type,
+                            const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearTexSubImage(TextureID texture,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint zoffset,
+                               GLsizei width,
+                               GLsizei height,
+                               GLsizei depth,
+                               GLenum format,
+                               GLenum type,
+                               const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::bindTextureUnit(GLuint unit, TextureID texture)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::blitNamedFramebuffer(GLuint readFramebuffer,
+                                   GLuint drawFramebuffer,
+                                   GLint srcX0,
+                                   GLint srcY0,
+                                   GLint srcX1,
+                                   GLint srcY1,
+                                   GLint dstX0,
+                                   GLint dstY0,
+                                   GLint dstX1,
+                                   GLint dstY1,
+                                   GLbitfield mask,
+                                   GLenum filter)
+{
+    UNIMPLEMENTED();
+}
+
+GLenum Context::checkNamedFramebufferStatus(FramebufferID framebuffer, GLenum target)
+{
+    UNIMPLEMENTED();
+    return 0;
+}
+
+void Context::clearNamedBufferData(BufferID buffer,
+                                   GLenum internalformat,
+                                   GLenum format,
+                                   GLenum type,
+                                   const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearNamedBufferSubData(BufferID buffer,
+                                      GLenum internalformat,
+                                      GLintptr offset,
+                                      GLsizeiptr size,
+                                      GLenum format,
+                                      GLenum type,
+                                      const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearNamedFramebufferfi(FramebufferID framebuffer,
+                                      GLenum buffer,
+                                      GLint drawbuffer,
+                                      GLfloat depth,
+                                      GLint stencil)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearNamedFramebufferfv(FramebufferID framebuffer,
+                                      GLenum buffer,
+                                      GLint drawbuffer,
+                                      const GLfloat *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearNamedFramebufferiv(FramebufferID framebuffer,
+                                      GLenum buffer,
+                                      GLint drawbuffer,
+                                      const GLint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::clearNamedFramebufferuiv(FramebufferID framebuffer,
+                                       GLenum buffer,
+                                       GLint drawbuffer,
+                                       const GLuint *value)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::compressedTextureSubImage1D(TextureID texture,
+                                          GLint level,
+                                          GLint xoffset,
+                                          GLsizei width,
+                                          GLenum format,
+                                          GLsizei imageSize,
+                                          const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::compressedTextureSubImage2D(TextureID texture,
+                                          GLint level,
+                                          GLint xoffset,
+                                          GLint yoffset,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLenum format,
+                                          GLsizei imageSize,
+                                          const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::compressedTextureSubImage3D(TextureID texture,
+                                          GLint level,
+                                          GLint xoffset,
+                                          GLint yoffset,
+                                          GLint zoffset,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei depth,
+                                          GLenum format,
+                                          GLsizei imageSize,
+                                          const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::copyNamedBufferSubData(GLuint readBuffer,
+                                     GLuint writeBuffer,
+                                     GLintptr readOffset,
+                                     GLintptr writeOffset,
+                                     GLsizeiptr size)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::copyTextureSubImage1D(TextureID texture,
+                                    GLint level,
+                                    GLint xoffset,
+                                    GLint x,
+                                    GLint y,
+                                    GLsizei width)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::copyTextureSubImage2D(TextureID texture,
+                                    GLint level,
+                                    GLint xoffset,
+                                    GLint yoffset,
+                                    GLint x,
+                                    GLint y,
+                                    GLsizei width,
+                                    GLsizei height)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::copyTextureSubImage3D(TextureID texture,
+                                    GLint level,
+                                    GLint xoffset,
+                                    GLint yoffset,
+                                    GLint zoffset,
+                                    GLint x,
+                                    GLint y,
+                                    GLsizei width,
+                                    GLsizei height)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createBuffers(GLsizei n, BufferID *buffers)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createFramebuffers(GLsizei n, GLuint *framebuffers)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createProgramPipelines(GLsizei n, GLuint *pipelines)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createQueries(GLenum target, GLsizei n, GLuint *ids)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createRenderbuffers(GLsizei n, RenderbufferID *renderbuffers)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createSamplers(GLsizei n, GLuint *samplers)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createTextures(GLenum target, GLsizei n, GLuint *textures)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createTransformFeedbacks(GLsizei n, GLuint *ids)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::createVertexArrays(GLsizei n, VertexArrayID *arrays)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::disableVertexArrayAttrib(VertexArrayID vaobj, GLuint index)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::enableVertexArrayAttrib(VertexArrayID vaobj, GLuint index)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::flushMappedNamedBufferRange(BufferID buffer, GLintptr offset, GLsizeiptr length)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::generateTextureMipmap(TextureID texture)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getCompressedTextureImage(TextureID texture,
+                                        GLint level,
+                                        GLsizei bufSize,
+                                        void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getCompressedTextureSubImage(TextureID texture,
+                                           GLint level,
+                                           GLint xoffset,
+                                           GLint yoffset,
+                                           GLint zoffset,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           GLsizei bufSize,
+                                           void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getNamedBufferParameteri64v(BufferID buffer, GLenum pname, GLint64 *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getNamedBufferParameteriv(BufferID buffer, GLenum pname, GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getNamedBufferPointerv(BufferID buffer, GLenum pname, void **params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getNamedBufferSubData(BufferID buffer, GLintptr offset, GLsizeiptr size, void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getNamedFramebufferAttachmentParameteriv(FramebufferID framebuffer,
+                                                       GLenum attachment,
+                                                       GLenum pname,
+                                                       GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getNamedFramebufferParameteriv(FramebufferID framebuffer, GLenum pname, GLint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getNamedRenderbufferParameteriv(RenderbufferID renderbuffer,
+                                              GLenum pname,
+                                              GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getQueryBufferObjecti64v(GLuint id, BufferID buffer, GLenum pname, GLintptr offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getQueryBufferObjectiv(GLuint id, BufferID buffer, GLenum pname, GLintptr offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getQueryBufferObjectui64v(GLuint id, BufferID buffer, GLenum pname, GLintptr offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getQueryBufferObjectuiv(GLuint id, BufferID buffer, GLenum pname, GLintptr offset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureImage(TextureID texture,
+                              GLint level,
+                              GLenum format,
+                              GLenum type,
+                              GLsizei bufSize,
+                              void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureLevelParameterfv(TextureID texture,
+                                         GLint level,
+                                         GLenum pname,
+                                         GLfloat *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureLevelParameteriv(TextureID texture,
+                                         GLint level,
+                                         GLenum pname,
+                                         GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureParameterIiv(TextureID texture, GLenum pname, GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureParameterIuiv(TextureID texture, GLenum pname, GLuint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureParameterfv(TextureID texture, GLenum pname, GLfloat *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureParameteriv(TextureID texture, GLenum pname, GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTextureSubImage(TextureID texture,
+                                 GLint level,
+                                 GLint xoffset,
+                                 GLint yoffset,
+                                 GLint zoffset,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLsizei depth,
+                                 GLenum format,
+                                 GLenum type,
+                                 GLsizei bufSize,
+                                 void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTransformFeedbacki64_v(GLuint xfb, GLenum pname, GLuint index, GLint64 *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTransformFeedbacki_v(GLuint xfb, GLenum pname, GLuint index, GLint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTransformFeedbackiv(GLuint xfb, GLenum pname, GLint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getVertexArrayIndexed64iv(VertexArrayID vaobj,
+                                        GLuint index,
+                                        GLenum pname,
+                                        GLint64 *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getVertexArrayIndexediv(VertexArrayID vaobj, GLuint index, GLenum pname, GLint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getVertexArrayiv(VertexArrayID vaobj, GLenum pname, GLint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnColorTable(GLenum target,
+                             GLenum format,
+                             GLenum type,
+                             GLsizei bufSize,
+                             void *table)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnCompressedTexImage(GLenum target, GLint lod, GLsizei bufSize, void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnConvolutionFilter(GLenum target,
+                                    GLenum format,
+                                    GLenum type,
+                                    GLsizei bufSize,
+                                    void *image)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnHistogram(GLenum target,
+                            GLboolean reset,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            void *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnMapdv(GLenum target, GLenum query, GLsizei bufSize, GLdouble *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnMapfv(GLenum target, GLenum query, GLsizei bufSize, GLfloat *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnMapiv(GLenum target, GLenum query, GLsizei bufSize, GLint *v)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnMinmax(GLenum target,
+                         GLboolean reset,
+                         GLenum format,
+                         GLenum type,
+                         GLsizei bufSize,
+                         void *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnPixelMapfv(GLenum map, GLsizei bufSize, GLfloat *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnPixelMapuiv(GLenum map, GLsizei bufSize, GLuint *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnPixelMapusv(GLenum map, GLsizei bufSize, GLushort *values)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnPolygonStipple(GLsizei bufSize, GLubyte *pattern)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnSeparableFilter(GLenum target,
+                                  GLenum format,
+                                  GLenum type,
+                                  GLsizei rowBufSize,
+                                  void *row,
+                                  GLsizei columnBufSize,
+                                  void *column,
+                                  void *span)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnTexImage(GLenum target,
+                           GLint level,
+                           GLenum format,
+                           GLenum type,
+                           GLsizei bufSize,
+                           void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getnUniformdv(ShaderProgramID program,
+                            UniformLocation location,
+                            GLsizei bufSize,
+                            GLdouble *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::invalidateNamedFramebufferData(FramebufferID framebuffer,
+                                             GLsizei numAttachments,
+                                             const GLenum *attachments)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::invalidateNamedFramebufferSubData(FramebufferID framebuffer,
+                                                GLsizei numAttachments,
+                                                const GLenum *attachments,
+                                                GLint x,
+                                                GLint y,
+                                                GLsizei width,
+                                                GLsizei height)
+{
+    UNIMPLEMENTED();
+}
+
+void *Context::mapNamedBuffer(BufferID buffer, GLenum access)
+{
+    UNIMPLEMENTED();
+    return nullptr;
+}
+
+void *Context::mapNamedBufferRange(BufferID buffer,
+                                   GLintptr offset,
+                                   GLsizeiptr length,
+                                   GLbitfield access)
+{
+    UNIMPLEMENTED();
+    return nullptr;
+}
+
+void Context::namedBufferData(BufferID buffer, GLsizeiptr size, const void *data, GLenum usage)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedBufferStorage(BufferID buffer,
+                                 GLsizeiptr size,
+                                 const void *data,
+                                 GLbitfield flags)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedBufferSubData(BufferID buffer,
+                                 GLintptr offset,
+                                 GLsizeiptr size,
+                                 const void *data)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedFramebufferDrawBuffer(FramebufferID framebuffer, GLenum buf)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedFramebufferDrawBuffers(FramebufferID framebuffer, GLsizei n, const GLenum *bufs)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedFramebufferParameteri(FramebufferID framebuffer, GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedFramebufferReadBuffer(FramebufferID framebuffer, GLenum src)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedFramebufferRenderbuffer(FramebufferID framebuffer,
+                                           GLenum attachment,
+                                           GLenum renderbuffertarget,
+                                           RenderbufferID renderbuffer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedFramebufferTexture(FramebufferID framebuffer,
+                                      GLenum attachment,
+                                      TextureID texture,
+                                      GLint level)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedFramebufferTextureLayer(FramebufferID framebuffer,
+                                           GLenum attachment,
+                                           TextureID texture,
+                                           GLint level,
+                                           GLint layer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedRenderbufferStorage(RenderbufferID renderbuffer,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::namedRenderbufferStorageMultisample(RenderbufferID renderbuffer,
+                                                  GLsizei samples,
+                                                  GLenum internalformat,
+                                                  GLsizei width,
+                                                  GLsizei height)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureBarrier()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureBuffer(TextureID texture, GLenum internalformat, BufferID buffer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureBufferRange(TextureID texture,
+                                 GLenum internalformat,
+                                 BufferID buffer,
+                                 GLintptr offset,
+                                 GLsizeiptr size)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureParameterIiv(TextureID texture, GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureParameterIuiv(TextureID texture, GLenum pname, const GLuint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureParameterf(TextureID texture, GLenum pname, GLfloat param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureParameterfv(TextureID texture, GLenum pname, const GLfloat *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureParameteri(TextureID texture, GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureParameteriv(TextureID texture, GLenum pname, const GLint *param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureStorage1D(TextureID texture,
+                               GLsizei levels,
+                               GLenum internalformat,
+                               GLsizei width)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureStorage2D(TextureID texture,
+                               GLsizei levels,
+                               GLenum internalformat,
+                               GLsizei width,
+                               GLsizei height)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureStorage2DMultisample(TextureID texture,
+                                          GLsizei samples,
+                                          GLenum internalformat,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLboolean fixedsamplelocations)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureStorage3D(TextureID texture,
+                               GLsizei levels,
+                               GLenum internalformat,
+                               GLsizei width,
+                               GLsizei height,
+                               GLsizei depth)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureStorage3DMultisample(TextureID texture,
+                                          GLsizei samples,
+                                          GLenum internalformat,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei depth,
+                                          GLboolean fixedsamplelocations)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureSubImage1D(TextureID texture,
+                                GLint level,
+                                GLint xoffset,
+                                GLsizei width,
+                                GLenum format,
+                                GLenum type,
+                                const void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureSubImage2D(TextureID texture,
+                                GLint level,
+                                GLint xoffset,
+                                GLint yoffset,
+                                GLsizei width,
+                                GLsizei height,
+                                GLenum format,
+                                GLenum type,
+                                const void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::textureSubImage3D(TextureID texture,
+                                GLint level,
+                                GLint xoffset,
+                                GLint yoffset,
+                                GLint zoffset,
+                                GLsizei width,
+                                GLsizei height,
+                                GLsizei depth,
+                                GLenum format,
+                                GLenum type,
+                                const void *pixels)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::transformFeedbackBufferBase(GLuint xfb, GLuint index, BufferID buffer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::transformFeedbackBufferRange(GLuint xfb,
+                                           GLuint index,
+                                           BufferID buffer,
+                                           GLintptr offset,
+                                           GLsizeiptr size)
+{
+    UNIMPLEMENTED();
+}
+
+GLboolean Context::unmapNamedBuffer(BufferID buffer)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+void Context::vertexArrayAttribBinding(VertexArrayID vaobj, GLuint attribindex, GLuint bindingindex)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexArrayAttribFormat(VertexArrayID vaobj,
+                                      GLuint attribindex,
+                                      GLint size,
+                                      GLenum type,
+                                      GLboolean normalized,
+                                      GLuint relativeoffset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexArrayAttribIFormat(VertexArrayID vaobj,
+                                       GLuint attribindex,
+                                       GLint size,
+                                       GLenum type,
+                                       GLuint relativeoffset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexArrayAttribLFormat(VertexArrayID vaobj,
+                                       GLuint attribindex,
+                                       GLint size,
+                                       GLenum type,
+                                       GLuint relativeoffset)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexArrayBindingDivisor(VertexArrayID vaobj, GLuint bindingindex, GLuint divisor)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexArrayElementBuffer(VertexArrayID vaobj, BufferID buffer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexArrayVertexBuffer(VertexArrayID vaobj,
+                                      GLuint bindingindex,
+                                      BufferID buffer,
+                                      GLintptr offset,
+                                      GLsizei stride)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::vertexArrayVertexBuffers(VertexArrayID vaobj,
+                                       GLuint first,
+                                       GLsizei count,
+                                       const BufferID *buffers,
+                                       const GLintptr *offsets,
+                                       const GLsizei *strides)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiDrawArraysIndirectCount(GLenum mode,
+                                           const void *indirect,
+                                           GLintptr drawcount,
+                                           GLsizei maxdrawcount,
+                                           GLsizei stride)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::multiDrawElementsIndirectCount(GLenum mode,
+                                             GLenum type,
+                                             const void *indirect,
+                                             GLintptr drawcount,
+                                             GLsizei maxdrawcount,
+                                             GLsizei stride)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::polygonOffsetClamp(GLfloat factor, GLfloat units, GLfloat clamp)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::specializeShader(GLuint shader,
+                               const GLchar *pEntryPoint,
+                               GLuint numSpecializationConstants,
+                               const GLuint *pConstantIndex,
+                               const GLuint *pConstantValue)
+{
+    UNIMPLEMENTED();
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gl_1_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gl_1_autogen.h
new file mode 100644
index 0000000000..7bddff4c34
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gl_1_autogen.h
@@ -0,0 +1,349 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gl_1_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GL_1_AUTOGEN_H_
+#define ANGLE_CONTEXT_GL_1_AUTOGEN_H_
+
+#define ANGLE_GL_1_CONTEXT_API                                                                     \
+    void accum(GLenum op, GLfloat value);                                                          \
+    void begin(GLenum mode);                                                                       \
+    void bitmap(GLsizei width, GLsizei height, GLfloat xorig, GLfloat yorig, GLfloat xmove,        \
+                GLfloat ymove, const GLubyte *bitmap);                                             \
+    void callList(GLuint list);                                                                    \
+    void callLists(GLsizei n, GLenum type, const void *lists);                                     \
+    void clearAccum(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);                      \
+    void clearDepth(GLdouble depth);                                                               \
+    void clearIndex(GLfloat c);                                                                    \
+    void clipPlane(GLenum plane, const GLdouble *equation);                                        \
+    void color3b(GLbyte red, GLbyte green, GLbyte blue);                                           \
+    void color3bv(const GLbyte *v);                                                                \
+    void color3d(GLdouble red, GLdouble green, GLdouble blue);                                     \
+    void color3dv(const GLdouble *v);                                                              \
+    void color3f(GLfloat red, GLfloat green, GLfloat blue);                                        \
+    void color3fv(const GLfloat *v);                                                               \
+    void color3i(GLint red, GLint green, GLint blue);                                              \
+    void color3iv(const GLint *v);                                                                 \
+    void color3s(GLshort red, GLshort green, GLshort blue);                                        \
+    void color3sv(const GLshort *v);                                                               \
+    void color3ub(GLubyte red, GLubyte green, GLubyte blue);                                       \
+    void color3ubv(const GLubyte *v);                                                              \
+    void color3ui(GLuint red, GLuint green, GLuint blue);                                          \
+    void color3uiv(const GLuint *v);                                                               \
+    void color3us(GLushort red, GLushort green, GLushort blue);                                    \
+    void color3usv(const GLushort *v);                                                             \
+    void color4b(GLbyte red, GLbyte green, GLbyte blue, GLbyte alpha);                             \
+    void color4bv(const GLbyte *v);                                                                \
+    void color4d(GLdouble red, GLdouble green, GLdouble blue, GLdouble alpha);                     \
+    void color4dv(const GLdouble *v);                                                              \
+    void color4fv(const GLfloat *v);                                                               \
+    void color4i(GLint red, GLint green, GLint blue, GLint alpha);                                 \
+    void color4iv(const GLint *v);                                                                 \
+    void color4s(GLshort red, GLshort green, GLshort blue, GLshort alpha);                         \
+    void color4sv(const GLshort *v);                                                               \
+    void color4ubv(const GLubyte *v);                                                              \
+    void color4ui(GLuint red, GLuint green, GLuint blue, GLuint alpha);                            \
+    void color4uiv(const GLuint *v);                                                               \
+    void color4us(GLushort red, GLushort green, GLushort blue, GLushort alpha);                    \
+    void color4usv(const GLushort *v);                                                             \
+    void colorMaterial(GLenum face, GLenum mode);                                                  \
+    void copyPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum type);                 \
+    void deleteLists(GLuint list, GLsizei range);                                                  \
+    void depthRange(GLdouble n, GLdouble f);                                                       \
+    void drawBuffer(GLenum buf);                                                                   \
+    void drawPixels(GLsizei width, GLsizei height, GLenum format, GLenum type,                     \
+                    const void *pixels);                                                           \
+    void edgeFlag(GLboolean flag);                                                                 \
+    void edgeFlagv(const GLboolean *flag);                                                         \
+    void end();                                                                                    \
+    void endList();                                                                                \
+    void evalCoord1d(GLdouble u);                                                                  \
+    void evalCoord1dv(const GLdouble *u);                                                          \
+    void evalCoord1f(GLfloat u);                                                                   \
+    void evalCoord1fv(const GLfloat *u);                                                           \
+    void evalCoord2d(GLdouble u, GLdouble v);                                                      \
+    void evalCoord2dv(const GLdouble *u);                                                          \
+    void evalCoord2f(GLfloat u, GLfloat v);                                                        \
+    void evalCoord2fv(const GLfloat *u);                                                           \
+    void evalMesh1(GLenum mode, GLint i1, GLint i2);                                               \
+    void evalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2);                           \
+    void evalPoint1(GLint i);                                                                      \
+    void evalPoint2(GLint i, GLint j);                                                             \
+    void feedbackBuffer(GLsizei size, GLenum type, GLfloat *buffer);                               \
+    void fogi(GLenum pname, GLint param);                                                          \
+    void fogiv(GLenum pname, const GLint *params);                                                 \
+    void frustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear,     \
+                 GLdouble zFar);                                                                   \
+    GLuint genLists(GLsizei range);                                                                \
+    void getClipPlane(GLenum plane, GLdouble *equation);                                           \
+    void getDoublev(GLenum pname, GLdouble *data);                                                 \
+    void getLightiv(GLenum light, GLenum pname, GLint *params);                                    \
+    void getMapdv(GLenum target, GLenum query, GLdouble *v);                                       \
+    void getMapfv(GLenum target, GLenum query, GLfloat *v);                                        \
+    void getMapiv(GLenum target, GLenum query, GLint *v);                                          \
+    void getMaterialiv(GLenum face, GLenum pname, GLint *params);                                  \
+    void getPixelMapfv(GLenum map, GLfloat *values);                                               \
+    void getPixelMapuiv(GLenum map, GLuint *values);                                               \
+    void getPixelMapusv(GLenum map, GLushort *values);                                             \
+    void getPolygonStipple(GLubyte *mask);                                                         \
+    void getTexGendv(GLenum coord, GLenum pname, GLdouble *params);                                \
+    void indexMask(GLuint mask);                                                                   \
+    void indexd(GLdouble c);                                                                       \
+    void indexdv(const GLdouble *c);                                                               \
+    void indexf(GLfloat c);                                                                        \
+    void indexfv(const GLfloat *c);                                                                \
+    void indexi(GLint c);                                                                          \
+    void indexiv(const GLint *c);                                                                  \
+    void indexs(GLshort c);                                                                        \
+    void indexsv(const GLshort *c);                                                                \
+    void initNames();                                                                              \
+    GLboolean isList(GLuint list) const;                                                           \
+    void lightModeli(GLenum pname, GLint param);                                                   \
+    void lightModeliv(GLenum pname, const GLint *params);                                          \
+    void lighti(GLenum light, GLenum pname, GLint param);                                          \
+    void lightiv(GLenum light, GLenum pname, const GLint *params);                                 \
+    void lineStipple(GLint factor, GLushort pattern);                                              \
+    void listBase(GLuint base);                                                                    \
+    void loadMatrixd(const GLdouble *m);                                                           \
+    void loadName(GLuint name);                                                                    \
+    void map1d(GLenum target, GLdouble u1, GLdouble u2, GLint stride, GLint order,                 \
+               const GLdouble *points);                                                            \
+    void map1f(GLenum target, GLfloat u1, GLfloat u2, GLint stride, GLint order,                   \
+               const GLfloat *points);                                                             \
+    void map2d(GLenum target, GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, GLdouble v1,  \
+               GLdouble v2, GLint vstride, GLint vorder, const GLdouble *points);                  \
+    void map2f(GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, GLfloat v1,     \
+               GLfloat v2, GLint vstride, GLint vorder, const GLfloat *points);                    \
+    void mapGrid1d(GLint un, GLdouble u1, GLdouble u2);                                            \
+    void mapGrid1f(GLint un, GLfloat u1, GLfloat u2);                                              \
+    void mapGrid2d(GLint un, GLdouble u1, GLdouble u2, GLint vn, GLdouble v1, GLdouble v2);        \
+    void mapGrid2f(GLint un, GLfloat u1, GLfloat u2, GLint vn, GLfloat v1, GLfloat v2);            \
+    void materiali(GLenum face, GLenum pname, GLint param);                                        \
+    void materialiv(GLenum face, GLenum pname, const GLint *params);                               \
+    void multMatrixd(const GLdouble *m);                                                           \
+    void newList(GLuint list, GLenum mode);                                                        \
+    void normal3b(GLbyte nx, GLbyte ny, GLbyte nz);                                                \
+    void normal3bv(const GLbyte *v);                                                               \
+    void normal3d(GLdouble nx, GLdouble ny, GLdouble nz);                                          \
+    void normal3dv(const GLdouble *v);                                                             \
+    void normal3fv(const GLfloat *v);                                                              \
+    void normal3i(GLint nx, GLint ny, GLint nz);                                                   \
+    void normal3iv(const GLint *v);                                                                \
+    void normal3s(GLshort nx, GLshort ny, GLshort nz);                                             \
+    void normal3sv(const GLshort *v);                                                              \
+    void ortho(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear,       \
+               GLdouble zFar);                                                                     \
+    void passThrough(GLfloat token);                                                               \
+    void pixelMapfv(GLenum map, GLsizei mapsize, const GLfloat *values);                           \
+    void pixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values);                           \
+    void pixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values);                         \
+    void pixelStoref(GLenum pname, GLfloat param);                                                 \
+    void pixelTransferf(GLenum pname, GLfloat param);                                              \
+    void pixelTransferi(GLenum pname, GLint param);                                                \
+    void pixelZoom(GLfloat xfactor, GLfloat yfactor);                                              \
+    void polygonMode(GLenum face, GLenum mode);                                                    \
+    void polygonStipple(const GLubyte *mask);                                                      \
+    void popAttrib();                                                                              \
+    void popName();                                                                                \
+    void pushAttrib(GLbitfield mask);                                                              \
+    void pushName(GLuint name);                                                                    \
+    void rasterPos2d(GLdouble x, GLdouble y);                                                      \
+    void rasterPos2dv(const GLdouble *v);                                                          \
+    void rasterPos2f(GLfloat x, GLfloat y);                                                        \
+    void rasterPos2fv(const GLfloat *v);                                                           \
+    void rasterPos2i(GLint x, GLint y);                                                            \
+    void rasterPos2iv(const GLint *v);                                                             \
+    void rasterPos2s(GLshort x, GLshort y);                                                        \
+    void rasterPos2sv(const GLshort *v);                                                           \
+    void rasterPos3d(GLdouble x, GLdouble y, GLdouble z);                                          \
+    void rasterPos3dv(const GLdouble *v);                                                          \
+    void rasterPos3f(GLfloat x, GLfloat y, GLfloat z);                                             \
+    void rasterPos3fv(const GLfloat *v);                                                           \
+    void rasterPos3i(GLint x, GLint y, GLint z);                                                   \
+    void rasterPos3iv(const GLint *v);                                                             \
+    void rasterPos3s(GLshort x, GLshort y, GLshort z);                                             \
+    void rasterPos3sv(const GLshort *v);                                                           \
+    void rasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w);                              \
+    void rasterPos4dv(const GLdouble *v);                                                          \
+    void rasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w);                                  \
+    void rasterPos4fv(const GLfloat *v);                                                           \
+    void rasterPos4i(GLint x, GLint y, GLint z, GLint w);                                          \
+    void rasterPos4iv(const GLint *v);                                                             \
+    void rasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w);                                  \
+    void rasterPos4sv(const GLshort *v);                                                           \
+    void rectd(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2);                                \
+    void rectdv(const GLdouble *v1, const GLdouble *v2);                                           \
+    void rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2);                                    \
+    void rectfv(const GLfloat *v1, const GLfloat *v2);                                             \
+    void recti(GLint x1, GLint y1, GLint x2, GLint y2);                                            \
+    void rectiv(const GLint *v1, const GLint *v2);                                                 \
+    void rects(GLshort x1, GLshort y1, GLshort x2, GLshort y2);                                    \
+    void rectsv(const GLshort *v1, const GLshort *v2);                                             \
+    GLint renderMode(GLenum mode);                                                                 \
+    void rotated(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);                              \
+    void scaled(GLdouble x, GLdouble y, GLdouble z);                                               \
+    void selectBuffer(GLsizei size, GLuint *buffer);                                               \
+    void texCoord1d(GLdouble s);                                                                   \
+    void texCoord1dv(const GLdouble *v);                                                           \
+    void texCoord1f(GLfloat s);                                                                    \
+    void texCoord1fv(const GLfloat *v);                                                            \
+    void texCoord1i(GLint s);                                                                      \
+    void texCoord1iv(const GLint *v);                                                              \
+    void texCoord1s(GLshort s);                                                                    \
+    void texCoord1sv(const GLshort *v);                                                            \
+    void texCoord2d(GLdouble s, GLdouble t);                                                       \
+    void texCoord2dv(const GLdouble *v);                                                           \
+    void texCoord2f(GLfloat s, GLfloat t);                                                         \
+    void texCoord2fv(const GLfloat *v);                                                            \
+    void texCoord2i(GLint s, GLint t);                                                             \
+    void texCoord2iv(const GLint *v);                                                              \
+    void texCoord2s(GLshort s, GLshort t);                                                         \
+    void texCoord2sv(const GLshort *v);                                                            \
+    void texCoord3d(GLdouble s, GLdouble t, GLdouble r);                                           \
+    void texCoord3dv(const GLdouble *v);                                                           \
+    void texCoord3f(GLfloat s, GLfloat t, GLfloat r);                                              \
+    void texCoord3fv(const GLfloat *v);                                                            \
+    void texCoord3i(GLint s, GLint t, GLint r);                                                    \
+    void texCoord3iv(const GLint *v);                                                              \
+    void texCoord3s(GLshort s, GLshort t, GLshort r);                                              \
+    void texCoord3sv(const GLshort *v);                                                            \
+    void texCoord4d(GLdouble s, GLdouble t, GLdouble r, GLdouble q);                               \
+    void texCoord4dv(const GLdouble *v);                                                           \
+    void texCoord4f(GLfloat s, GLfloat t, GLfloat r, GLfloat q);                                   \
+    void texCoord4fv(const GLfloat *v);                                                            \
+    void texCoord4i(GLint s, GLint t, GLint r, GLint q);                                           \
+    void texCoord4iv(const GLint *v);                                                              \
+    void texCoord4s(GLshort s, GLshort t, GLshort r, GLshort q);                                   \
+    void texCoord4sv(const GLshort *v);                                                            \
+    void texGend(GLenum coord, GLenum pname, GLdouble param);                                      \
+    void texGendv(GLenum coord, GLenum pname, const GLdouble *params);                             \
+    void texImage1D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, \
+                    GLenum format, GLenum type, const void *pixels);                               \
+    void translated(GLdouble x, GLdouble y, GLdouble z);                                           \
+    void vertex2d(GLdouble x, GLdouble y);                                                         \
+    void vertex2dv(const GLdouble *v);                                                             \
+    void vertex2f(GLfloat x, GLfloat y);                                                           \
+    void vertex2fv(const GLfloat *v);                                                              \
+    void vertex2i(GLint x, GLint y);                                                               \
+    void vertex2iv(const GLint *v);                                                                \
+    void vertex2s(GLshort x, GLshort y);                                                           \
+    void vertex2sv(const GLshort *v);                                                              \
+    void vertex3d(GLdouble x, GLdouble y, GLdouble z);                                             \
+    void vertex3dv(const GLdouble *v);                                                             \
+    void vertex3f(GLfloat x, GLfloat y, GLfloat z);                                                \
+    void vertex3fv(const GLfloat *v);                                                              \
+    void vertex3i(GLint x, GLint y, GLint z);                                                      \
+    void vertex3iv(const GLint *v);                                                                \
+    void vertex3s(GLshort x, GLshort y, GLshort z);                                                \
+    void vertex3sv(const GLshort *v);                                                              \
+    void vertex4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w);                                 \
+    void vertex4dv(const GLdouble *v);                                                             \
+    void vertex4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w);                                     \
+    void vertex4fv(const GLfloat *v);                                                              \
+    void vertex4i(GLint x, GLint y, GLint z, GLint w);                                             \
+    void vertex4iv(const GLint *v);                                                                \
+    void vertex4s(GLshort x, GLshort y, GLshort z, GLshort w);                                     \
+    void vertex4sv(const GLshort *v);                                                              \
+    GLboolean areTexturesResident(GLsizei n, const GLuint *textures, GLboolean *residences);       \
+    void arrayElement(GLint i);                                                                    \
+    void copyTexImage1D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y,       \
+                        GLsizei width, GLint border);                                              \
+    void copyTexSubImage1D(GLenum target, GLint level, GLint xoffset, GLint x, GLint y,            \
+                           GLsizei width);                                                         \
+    void edgeFlagPointer(GLsizei stride, const void *pointer);                                     \
+    void indexPointer(GLenum type, GLsizei stride, const void *pointer);                           \
+    void indexub(GLubyte c);                                                                       \
+    void indexubv(const GLubyte *c);                                                               \
+    void interleavedArrays(GLenum format, GLsizei stride, const void *pointer);                    \
+    void popClientAttrib();                                                                        \
+    void prioritizeTextures(GLsizei n, const GLuint *textures, const GLfloat *priorities);         \
+    void pushClientAttrib(GLbitfield mask);                                                        \
+    void texSubImage1D(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format,    \
+                       GLenum type, const void *pixels);                                           \
+    void compressedTexImage1D(GLenum target, GLint level, GLenum internalformat, GLsizei width,    \
+                              GLint border, GLsizei imageSize, const void *data);                  \
+    void compressedTexSubImage1D(GLenum target, GLint level, GLint xoffset, GLsizei width,         \
+                                 GLenum format, GLsizei imageSize, const void *data);              \
+    void loadTransposeMatrixd(const GLdouble *m);                                                  \
+    void loadTransposeMatrixf(const GLfloat *m);                                                   \
+    void multTransposeMatrixd(const GLdouble *m);                                                  \
+    void multTransposeMatrixf(const GLfloat *m);                                                   \
+    void multiTexCoord1d(GLenum target, GLdouble s);                                               \
+    void multiTexCoord1dv(GLenum target, const GLdouble *v);                                       \
+    void multiTexCoord1f(GLenum target, GLfloat s);                                                \
+    void multiTexCoord1fv(GLenum target, const GLfloat *v);                                        \
+    void multiTexCoord1i(GLenum target, GLint s);                                                  \
+    void multiTexCoord1iv(GLenum target, const GLint *v);                                          \
+    void multiTexCoord1s(GLenum target, GLshort s);                                                \
+    void multiTexCoord1sv(GLenum target, const GLshort *v);                                        \
+    void multiTexCoord2d(GLenum target, GLdouble s, GLdouble t);                                   \
+    void multiTexCoord2dv(GLenum target, const GLdouble *v);                                       \
+    void multiTexCoord2f(GLenum target, GLfloat s, GLfloat t);                                     \
+    void multiTexCoord2fv(GLenum target, const GLfloat *v);                                        \
+    void multiTexCoord2i(GLenum target, GLint s, GLint t);                                         \
+    void multiTexCoord2iv(GLenum target, const GLint *v);                                          \
+    void multiTexCoord2s(GLenum target, GLshort s, GLshort t);                                     \
+    void multiTexCoord2sv(GLenum target, const GLshort *v);                                        \
+    void multiTexCoord3d(GLenum target, GLdouble s, GLdouble t, GLdouble r);                       \
+    void multiTexCoord3dv(GLenum target, const GLdouble *v);                                       \
+    void multiTexCoord3f(GLenum target, GLfloat s, GLfloat t, GLfloat r);                          \
+    void multiTexCoord3fv(GLenum target, const GLfloat *v);                                        \
+    void multiTexCoord3i(GLenum target, GLint s, GLint t, GLint r);                                \
+    void multiTexCoord3iv(GLenum target, const GLint *v);                                          \
+    void multiTexCoord3s(GLenum target, GLshort s, GLshort t, GLshort r);                          \
+    void multiTexCoord3sv(GLenum target, const GLshort *v);                                        \
+    void multiTexCoord4d(GLenum target, GLdouble s, GLdouble t, GLdouble r, GLdouble q);           \
+    void multiTexCoord4dv(GLenum target, const GLdouble *v);                                       \
+    void multiTexCoord4fv(GLenum target, const GLfloat *v);                                        \
+    void multiTexCoord4i(GLenum target, GLint s, GLint t, GLint r, GLint q);                       \
+    void multiTexCoord4iv(GLenum target, const GLint *v);                                          \
+    void multiTexCoord4s(GLenum target, GLshort s, GLshort t, GLshort r, GLshort q);               \
+    void multiTexCoord4sv(GLenum target, const GLshort *v);                                        \
+    void fogCoordPointer(GLenum type, GLsizei stride, const void *pointer);                        \
+    void fogCoordd(GLdouble coord);                                                                \
+    void fogCoorddv(const GLdouble *coord);                                                        \
+    void fogCoordf(GLfloat coord);                                                                 \
+    void fogCoordfv(const GLfloat *coord);                                                         \
+    void pointParameteri(GLenum pname, GLint param);                                               \
+    void pointParameteriv(GLenum pname, const GLint *params);                                      \
+    void secondaryColor3b(GLbyte red, GLbyte green, GLbyte blue);                                  \
+    void secondaryColor3bv(const GLbyte *v);                                                       \
+    void secondaryColor3d(GLdouble red, GLdouble green, GLdouble blue);                            \
+    void secondaryColor3dv(const GLdouble *v);                                                     \
+    void secondaryColor3f(GLfloat red, GLfloat green, GLfloat blue);                               \
+    void secondaryColor3fv(const GLfloat *v);                                                      \
+    void secondaryColor3i(GLint red, GLint green, GLint blue);                                     \
+    void secondaryColor3iv(const GLint *v);                                                        \
+    void secondaryColor3s(GLshort red, GLshort green, GLshort blue);                               \
+    void secondaryColor3sv(const GLshort *v);                                                      \
+    void secondaryColor3ub(GLubyte red, GLubyte green, GLubyte blue);                              \
+    void secondaryColor3ubv(const GLubyte *v);                                                     \
+    void secondaryColor3ui(GLuint red, GLuint green, GLuint blue);                                 \
+    void secondaryColor3uiv(const GLuint *v);                                                      \
+    void secondaryColor3us(GLushort red, GLushort green, GLushort blue);                           \
+    void secondaryColor3usv(const GLushort *v);                                                    \
+    void secondaryColorPointer(GLint size, GLenum type, GLsizei stride, const void *pointer);      \
+    void windowPos2d(GLdouble x, GLdouble y);                                                      \
+    void windowPos2dv(const GLdouble *v);                                                          \
+    void windowPos2f(GLfloat x, GLfloat y);                                                        \
+    void windowPos2fv(const GLfloat *v);                                                           \
+    void windowPos2i(GLint x, GLint y);                                                            \
+    void windowPos2iv(const GLint *v);                                                             \
+    void windowPos2s(GLshort x, GLshort y);                                                        \
+    void windowPos2sv(const GLshort *v);                                                           \
+    void windowPos3d(GLdouble x, GLdouble y, GLdouble z);                                          \
+    void windowPos3dv(const GLdouble *v);                                                          \
+    void windowPos3f(GLfloat x, GLfloat y, GLfloat z);                                             \
+    void windowPos3fv(const GLfloat *v);                                                           \
+    void windowPos3i(GLint x, GLint y, GLint z);                                                   \
+    void windowPos3iv(const GLint *v);                                                             \
+    void windowPos3s(GLshort x, GLshort y, GLshort z);                                             \
+    void windowPos3sv(const GLshort *v);                                                           \
+    void getBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, void *data);
+
+#endif  // ANGLE_CONTEXT_API_1_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gl_2_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gl_2_autogen.h
new file mode 100644
index 0000000000..92e17d1d6e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gl_2_autogen.h
@@ -0,0 +1,44 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gl_2_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GL_2_AUTOGEN_H_
+#define ANGLE_CONTEXT_GL_2_AUTOGEN_H_
+
+#define ANGLE_GL_2_CONTEXT_API                                                         \
+    void getVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);              \
+    void vertexAttrib1d(GLuint index, GLdouble x);                                     \
+    void vertexAttrib1dv(GLuint index, const GLdouble *v);                             \
+    void vertexAttrib1s(GLuint index, GLshort x);                                      \
+    void vertexAttrib1sv(GLuint index, const GLshort *v);                              \
+    void vertexAttrib2d(GLuint index, GLdouble x, GLdouble y);                         \
+    void vertexAttrib2dv(GLuint index, const GLdouble *v);                             \
+    void vertexAttrib2s(GLuint index, GLshort x, GLshort y);                           \
+    void vertexAttrib2sv(GLuint index, const GLshort *v);                              \
+    void vertexAttrib3d(GLuint index, GLdouble x, GLdouble y, GLdouble z);             \
+    void vertexAttrib3dv(GLuint index, const GLdouble *v);                             \
+    void vertexAttrib3s(GLuint index, GLshort x, GLshort y, GLshort z);                \
+    void vertexAttrib3sv(GLuint index, const GLshort *v);                              \
+    void vertexAttrib4Nbv(GLuint index, const GLbyte *v);                              \
+    void vertexAttrib4Niv(GLuint index, const GLint *v);                               \
+    void vertexAttrib4Nsv(GLuint index, const GLshort *v);                             \
+    void vertexAttrib4Nub(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);   \
+    void vertexAttrib4Nubv(GLuint index, const GLubyte *v);                            \
+    void vertexAttrib4Nuiv(GLuint index, const GLuint *v);                             \
+    void vertexAttrib4Nusv(GLuint index, const GLushort *v);                           \
+    void vertexAttrib4bv(GLuint index, const GLbyte *v);                               \
+    void vertexAttrib4d(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); \
+    void vertexAttrib4dv(GLuint index, const GLdouble *v);                             \
+    void vertexAttrib4iv(GLuint index, const GLint *v);                                \
+    void vertexAttrib4s(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w);     \
+    void vertexAttrib4sv(GLuint index, const GLshort *v);                              \
+    void vertexAttrib4ubv(GLuint index, const GLubyte *v);                             \
+    void vertexAttrib4uiv(GLuint index, const GLuint *v);                              \
+    void vertexAttrib4usv(GLuint index, const GLushort *v);
+
+#endif  // ANGLE_CONTEXT_API_2_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gl_3_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gl_3_autogen.h
new file mode 100644
index 0000000000..598a9055ef
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gl_3_autogen.h
@@ -0,0 +1,82 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gl_3_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GL_3_AUTOGEN_H_
+#define ANGLE_CONTEXT_GL_3_AUTOGEN_H_
+
+#define ANGLE_GL_3_CONTEXT_API                                                                     \
+    void beginConditionalRender(GLuint id, GLenum mode);                                           \
+    void clampColor(GLenum target, GLenum clamp);                                                  \
+    void endConditionalRender();                                                                   \
+    void framebufferTexture1D(GLenum target, GLenum attachment, TextureTarget textargetPacked,     \
+                              TextureID texturePacked, GLint level);                               \
+    void vertexAttribI1i(GLuint index, GLint x);                                                   \
+    void vertexAttribI1iv(GLuint index, const GLint *v);                                           \
+    void vertexAttribI1ui(GLuint index, GLuint x);                                                 \
+    void vertexAttribI1uiv(GLuint index, const GLuint *v);                                         \
+    void vertexAttribI2i(GLuint index, GLint x, GLint y);                                          \
+    void vertexAttribI2iv(GLuint index, const GLint *v);                                           \
+    void vertexAttribI2ui(GLuint index, GLuint x, GLuint y);                                       \
+    void vertexAttribI2uiv(GLuint index, const GLuint *v);                                         \
+    void vertexAttribI3i(GLuint index, GLint x, GLint y, GLint z);                                 \
+    void vertexAttribI3iv(GLuint index, const GLint *v);                                           \
+    void vertexAttribI3ui(GLuint index, GLuint x, GLuint y, GLuint z);                             \
+    void vertexAttribI3uiv(GLuint index, const GLuint *v);                                         \
+    void vertexAttribI4bv(GLuint index, const GLbyte *v);                                          \
+    void vertexAttribI4sv(GLuint index, const GLshort *v);                                         \
+    void vertexAttribI4ubv(GLuint index, const GLubyte *v);                                        \
+    void vertexAttribI4usv(GLuint index, const GLushort *v);                                       \
+    void getActiveUniformName(ShaderProgramID programPacked, GLuint uniformIndex, GLsizei bufSize, \
+                              GLsizei *length, GLchar *uniformName);                               \
+    void primitiveRestartIndex(GLuint index);                                                      \
+    void texImage2DMultisample(GLenum target, GLsizei samples, GLenum internalformat,              \
+                               GLsizei width, GLsizei height, GLboolean fixedsamplelocations);     \
+    void texImage3DMultisample(GLenum target, GLsizei samples, GLenum internalformat,              \
+                               GLsizei width, GLsizei height, GLsizei depth,                       \
+                               GLboolean fixedsamplelocations);                                    \
+    void colorP3ui(GLenum type, GLuint color);                                                     \
+    void colorP3uiv(GLenum type, const GLuint *color);                                             \
+    void colorP4ui(GLenum type, GLuint color);                                                     \
+    void colorP4uiv(GLenum type, const GLuint *color);                                             \
+    void multiTexCoordP1ui(GLenum texture, GLenum type, GLuint coords);                            \
+    void multiTexCoordP1uiv(GLenum texture, GLenum type, const GLuint *coords);                    \
+    void multiTexCoordP2ui(GLenum texture, GLenum type, GLuint coords);                            \
+    void multiTexCoordP2uiv(GLenum texture, GLenum type, const GLuint *coords);                    \
+    void multiTexCoordP3ui(GLenum texture, GLenum type, GLuint coords);                            \
+    void multiTexCoordP3uiv(GLenum texture, GLenum type, const GLuint *coords);                    \
+    void multiTexCoordP4ui(GLenum texture, GLenum type, GLuint coords);                            \
+    void multiTexCoordP4uiv(GLenum texture, GLenum type, const GLuint *coords);                    \
+    void normalP3ui(GLenum type, GLuint coords);                                                   \
+    void normalP3uiv(GLenum type, const GLuint *coords);                                           \
+    void secondaryColorP3ui(GLenum type, GLuint color);                                            \
+    void secondaryColorP3uiv(GLenum type, const GLuint *color);                                    \
+    void texCoordP1ui(GLenum type, GLuint coords);                                                 \
+    void texCoordP1uiv(GLenum type, const GLuint *coords);                                         \
+    void texCoordP2ui(GLenum type, GLuint coords);                                                 \
+    void texCoordP2uiv(GLenum type, const GLuint *coords);                                         \
+    void texCoordP3ui(GLenum type, GLuint coords);                                                 \
+    void texCoordP3uiv(GLenum type, const GLuint *coords);                                         \
+    void texCoordP4ui(GLenum type, GLuint coords);                                                 \
+    void texCoordP4uiv(GLenum type, const GLuint *coords);                                         \
+    void vertexAttribP1ui(GLuint index, GLenum type, GLboolean normalized, GLuint value);          \
+    void vertexAttribP1uiv(GLuint index, GLenum type, GLboolean normalized, const GLuint *value);  \
+    void vertexAttribP2ui(GLuint index, GLenum type, GLboolean normalized, GLuint value);          \
+    void vertexAttribP2uiv(GLuint index, GLenum type, GLboolean normalized, const GLuint *value);  \
+    void vertexAttribP3ui(GLuint index, GLenum type, GLboolean normalized, GLuint value);          \
+    void vertexAttribP3uiv(GLuint index, GLenum type, GLboolean normalized, const GLuint *value);  \
+    void vertexAttribP4ui(GLuint index, GLenum type, GLboolean normalized, GLuint value);          \
+    void vertexAttribP4uiv(GLuint index, GLenum type, GLboolean normalized, const GLuint *value);  \
+    void vertexP2ui(GLenum type, GLuint value);                                                    \
+    void vertexP2uiv(GLenum type, const GLuint *value);                                            \
+    void vertexP3ui(GLenum type, GLuint value);                                                    \
+    void vertexP3uiv(GLenum type, const GLuint *value);                                            \
+    void vertexP4ui(GLenum type, GLuint value);                                                    \
+    void vertexP4uiv(GLenum type, const GLuint *value);
+
+#endif  // ANGLE_CONTEXT_API_3_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gl_4_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gl_4_autogen.h
new file mode 100644
index 0000000000..2c5570149e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gl_4_autogen.h
@@ -0,0 +1,358 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gl_4_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GL_4_AUTOGEN_H_
+#define ANGLE_CONTEXT_GL_4_AUTOGEN_H_
+
+#define ANGLE_GL_4_CONTEXT_API                                                                     \
+    void beginQueryIndexed(GLenum target, GLuint index, QueryID idPacked);                         \
+    void drawTransformFeedback(GLenum mode, TransformFeedbackID idPacked);                         \
+    void drawTransformFeedbackStream(GLenum mode, TransformFeedbackID idPacked, GLuint stream);    \
+    void endQueryIndexed(GLenum target, GLuint index);                                             \
+    void getActiveSubroutineName(ShaderProgramID programPacked, GLenum shadertype, GLuint index,   \
+                                 GLsizei bufSize, GLsizei *length, GLchar *name);                  \
+    void getActiveSubroutineUniformName(ShaderProgramID programPacked, GLenum shadertype,          \
+                                        GLuint index, GLsizei bufSize, GLsizei *length,            \
+                                        GLchar *name);                                             \
+    void getActiveSubroutineUniformiv(ShaderProgramID programPacked, GLenum shadertype,            \
+                                      GLuint index, GLenum pname, GLint *values);                  \
+    void getProgramStageiv(ShaderProgramID programPacked, GLenum shadertype, GLenum pname,         \
+                           GLint *values);                                                         \
+    void getQueryIndexediv(GLenum target, GLuint index, GLenum pname, GLint *params);              \
+    GLuint getSubroutineIndex(ShaderProgramID programPacked, GLenum shadertype,                    \
+                              const GLchar *name);                                                 \
+    GLint getSubroutineUniformLocation(ShaderProgramID programPacked, GLenum shadertype,           \
+                                       const GLchar *name);                                        \
+    void getUniformSubroutineuiv(GLenum shadertype, GLint location, GLuint *params);               \
+    void getUniformdv(ShaderProgramID programPacked, UniformLocation locationPacked,               \
+                      GLdouble *params);                                                           \
+    void patchParameterfv(GLenum pname, const GLfloat *values);                                    \
+    void uniform1d(UniformLocation locationPacked, GLdouble x);                                    \
+    void uniform1dv(UniformLocation locationPacked, GLsizei count, const GLdouble *value);         \
+    void uniform2d(UniformLocation locationPacked, GLdouble x, GLdouble y);                        \
+    void uniform2dv(UniformLocation locationPacked, GLsizei count, const GLdouble *value);         \
+    void uniform3d(UniformLocation locationPacked, GLdouble x, GLdouble y, GLdouble z);            \
+    void uniform3dv(UniformLocation locationPacked, GLsizei count, const GLdouble *value);         \
+    void uniform4d(UniformLocation locationPacked, GLdouble x, GLdouble y, GLdouble z,             \
+                   GLdouble w);                                                                    \
+    void uniform4dv(UniformLocation locationPacked, GLsizei count, const GLdouble *value);         \
+    void uniformMatrix2dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,      \
+                          const GLdouble *value);                                                  \
+    void uniformMatrix2x3dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLdouble *value);                                                \
+    void uniformMatrix2x4dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLdouble *value);                                                \
+    void uniformMatrix3dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,      \
+                          const GLdouble *value);                                                  \
+    void uniformMatrix3x2dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLdouble *value);                                                \
+    void uniformMatrix3x4dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLdouble *value);                                                \
+    void uniformMatrix4dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,      \
+                          const GLdouble *value);                                                  \
+    void uniformMatrix4x2dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLdouble *value);                                                \
+    void uniformMatrix4x3dv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLdouble *value);                                                \
+    void uniformSubroutinesuiv(GLenum shadertype, GLsizei count, const GLuint *indices);           \
+    void depthRangeArrayv(GLuint first, GLsizei count, const GLdouble *v);                         \
+    void depthRangeIndexed(GLuint index, GLdouble n, GLdouble f);                                  \
+    void getDoublei_v(GLenum target, GLuint index, GLdouble *data);                                \
+    void getFloati_v(GLenum target, GLuint index, GLfloat *data);                                  \
+    void getVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);                         \
+    void programUniform1d(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLdouble v0);                                                            \
+    void programUniform1dv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLdouble *value);                                  \
+    void programUniform2d(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLdouble v0, GLdouble v1);                                               \
+    void programUniform2dv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLdouble *value);                                  \
+    void programUniform3d(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLdouble v0, GLdouble v1, GLdouble v2);                                  \
+    void programUniform3dv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLdouble *value);                                  \
+    void programUniform4d(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);                     \
+    void programUniform4dv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLdouble *value);                                  \
+    void programUniformMatrix2dv(ShaderProgramID programPacked, UniformLocation locationPacked,    \
+                                 GLsizei count, GLboolean transpose, const GLdouble *value);       \
+    void programUniformMatrix2x3dv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLdouble *value);     \
+    void programUniformMatrix2x4dv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLdouble *value);     \
+    void programUniformMatrix3dv(ShaderProgramID programPacked, UniformLocation locationPacked,    \
+                                 GLsizei count, GLboolean transpose, const GLdouble *value);       \
+    void programUniformMatrix3x2dv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLdouble *value);     \
+    void programUniformMatrix3x4dv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLdouble *value);     \
+    void programUniformMatrix4dv(ShaderProgramID programPacked, UniformLocation locationPacked,    \
+                                 GLsizei count, GLboolean transpose, const GLdouble *value);       \
+    void programUniformMatrix4x2dv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLdouble *value);     \
+    void programUniformMatrix4x3dv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLdouble *value);     \
+    void scissorArrayv(GLuint first, GLsizei count, const GLint *v);                               \
+    void scissorIndexed(GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height);    \
+    void scissorIndexedv(GLuint index, const GLint *v);                                            \
+    void vertexAttribL1d(GLuint index, GLdouble x);                                                \
+    void vertexAttribL1dv(GLuint index, const GLdouble *v);                                        \
+    void vertexAttribL2d(GLuint index, GLdouble x, GLdouble y);                                    \
+    void vertexAttribL2dv(GLuint index, const GLdouble *v);                                        \
+    void vertexAttribL3d(GLuint index, GLdouble x, GLdouble y, GLdouble z);                        \
+    void vertexAttribL3dv(GLuint index, const GLdouble *v);                                        \
+    void vertexAttribL4d(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);            \
+    void vertexAttribL4dv(GLuint index, const GLdouble *v);                                        \
+    void vertexAttribLPointer(GLuint index, GLint size, GLenum type, GLsizei stride,               \
+                              const void *pointer);                                                \
+    void viewportArrayv(GLuint first, GLsizei count, const GLfloat *v);                            \
+    void viewportIndexedf(GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h);               \
+    void viewportIndexedfv(GLuint index, const GLfloat *v);                                        \
+    void drawTransformFeedbackInstanced(GLenum mode, TransformFeedbackID idPacked,                 \
+                                        GLsizei instancecount);                                    \
+    void drawTransformFeedbackStreamInstanced(GLenum mode, TransformFeedbackID idPacked,           \
+                                              GLuint stream, GLsizei instancecount);               \
+    void getActiveAtomicCounterBufferiv(ShaderProgramID programPacked, GLuint bufferIndex,         \
+                                        GLenum pname, GLint *params);                              \
+    void clearBufferData(GLenum target, GLenum internalformat, GLenum format, GLenum type,         \
+                         const void *data);                                                        \
+    void clearBufferSubData(GLenum target, GLenum internalformat, GLintptr offset,                 \
+                            GLsizeiptr size, GLenum format, GLenum type, const void *data);        \
+    void getInternalformati64v(GLenum target, GLenum internalformat, GLenum pname, GLsizei count,  \
+                               GLint64 *params);                                                   \
+    void invalidateBufferData(BufferID bufferPacked);                                              \
+    void invalidateBufferSubData(BufferID bufferPacked, GLintptr offset, GLsizeiptr length);       \
+    void invalidateTexImage(TextureID texturePacked, GLint level);                                 \
+    void invalidateTexSubImage(TextureID texturePacked, GLint level, GLint xoffset, GLint yoffset, \
+                               GLint zoffset, GLsizei width, GLsizei height, GLsizei depth);       \
+    void shaderStorageBlockBinding(ShaderProgramID programPacked, GLuint storageBlockIndex,        \
+                                   GLuint storageBlockBinding);                                    \
+    void textureView(TextureID texturePacked, GLenum target, GLuint origtexture,                   \
+                     GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer,    \
+                     GLuint numlayers);                                                            \
+    void vertexAttribLFormat(GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset);  \
+    void bindBuffersBase(GLenum target, GLuint first, GLsizei count,                               \
+                         const BufferID *buffersPacked);                                           \
+    void bindBuffersRange(GLenum target, GLuint first, GLsizei count,                              \
+                          const BufferID *buffersPacked, const GLintptr *offsets,                  \
+                          const GLsizeiptr *sizes);                                                \
+    void bindImageTextures(GLuint first, GLsizei count, const GLuint *textures);                   \
+    void bindSamplers(GLuint first, GLsizei count, const GLuint *samplers);                        \
+    void bindTextures(GLuint first, GLsizei count, const GLuint *textures);                        \
+    void bindVertexBuffers(GLuint first, GLsizei count, const BufferID *buffersPacked,             \
+                           const GLintptr *offsets, const GLsizei *strides);                       \
+    void clearTexImage(TextureID texturePacked, GLint level, GLenum format, GLenum type,           \
+                       const void *data);                                                          \
+    void clearTexSubImage(TextureID texturePacked, GLint level, GLint xoffset, GLint yoffset,      \
+                          GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,             \
+                          GLenum format, GLenum type, const void *data);                           \
+    void bindTextureUnit(GLuint unit, TextureID texturePacked);                                    \
+    void blitNamedFramebuffer(GLuint readFramebuffer, GLuint drawFramebuffer, GLint srcX0,         \
+                              GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0,     \
+                              GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);           \
+    GLenum checkNamedFramebufferStatus(FramebufferID framebufferPacked, GLenum target);            \
+    void clearNamedBufferData(BufferID bufferPacked, GLenum internalformat, GLenum format,         \
+                              GLenum type, const void *data);                                      \
+    void clearNamedBufferSubData(BufferID bufferPacked, GLenum internalformat, GLintptr offset,    \
+                                 GLsizeiptr size, GLenum format, GLenum type, const void *data);   \
+    void clearNamedFramebufferfi(FramebufferID framebufferPacked, GLenum buffer, GLint drawbuffer, \
+                                 GLfloat depth, GLint stencil);                                    \
+    void clearNamedFramebufferfv(FramebufferID framebufferPacked, GLenum buffer, GLint drawbuffer, \
+                                 const GLfloat *value);                                            \
+    void clearNamedFramebufferiv(FramebufferID framebufferPacked, GLenum buffer, GLint drawbuffer, \
+                                 const GLint *value);                                              \
+    void clearNamedFramebufferuiv(FramebufferID framebufferPacked, GLenum buffer,                  \
+                                  GLint drawbuffer, const GLuint *value);                          \
+    void compressedTextureSubImage1D(TextureID texturePacked, GLint level, GLint xoffset,          \
+                                     GLsizei width, GLenum format, GLsizei imageSize,              \
+                                     const void *data);                                            \
+    void compressedTextureSubImage2D(TextureID texturePacked, GLint level, GLint xoffset,          \
+                                     GLint yoffset, GLsizei width, GLsizei height, GLenum format,  \
+                                     GLsizei imageSize, const void *data);                         \
+    void compressedTextureSubImage3D(TextureID texturePacked, GLint level, GLint xoffset,          \
+                                     GLint yoffset, GLint zoffset, GLsizei width, GLsizei height,  \
+                                     GLsizei depth, GLenum format, GLsizei imageSize,              \
+                                     const void *data);                                            \
+    void copyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer, GLintptr readOffset,        \
+                                GLintptr writeOffset, GLsizeiptr size);                            \
+    void copyTextureSubImage1D(TextureID texturePacked, GLint level, GLint xoffset, GLint x,       \
+                               GLint y, GLsizei width);                                            \
+    void copyTextureSubImage2D(TextureID texturePacked, GLint level, GLint xoffset, GLint yoffset, \
+                               GLint x, GLint y, GLsizei width, GLsizei height);                   \
+    void copyTextureSubImage3D(TextureID texturePacked, GLint level, GLint xoffset, GLint yoffset, \
+                               GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);    \
+    void createBuffers(GLsizei n, BufferID *buffersPacked);                                        \
+    void createFramebuffers(GLsizei n, GLuint *framebuffers);                                      \
+    void createProgramPipelines(GLsizei n, GLuint *pipelines);                                     \
+    void createQueries(GLenum target, GLsizei n, GLuint *ids);                                     \
+    void createRenderbuffers(GLsizei n, RenderbufferID *renderbuffersPacked);                      \
+    void createSamplers(GLsizei n, GLuint *samplers);                                              \
+    void createTextures(GLenum target, GLsizei n, GLuint *textures);                               \
+    void createTransformFeedbacks(GLsizei n, GLuint *ids);                                         \
+    void createVertexArrays(GLsizei n, VertexArrayID *arraysPacked);                               \
+    void disableVertexArrayAttrib(VertexArrayID vaobjPacked, GLuint index);                        \
+    void enableVertexArrayAttrib(VertexArrayID vaobjPacked, GLuint index);                         \
+    void flushMappedNamedBufferRange(BufferID bufferPacked, GLintptr offset, GLsizeiptr length);   \
+    void generateTextureMipmap(TextureID texturePacked);                                           \
+    void getCompressedTextureImage(TextureID texturePacked, GLint level, GLsizei bufSize,          \
+                                   void *pixels);                                                  \
+    void getCompressedTextureSubImage(TextureID texturePacked, GLint level, GLint xoffset,         \
+                                      GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, \
+                                      GLsizei depth, GLsizei bufSize, void *pixels);               \
+    void getNamedBufferParameteri64v(BufferID bufferPacked, GLenum pname, GLint64 *params);        \
+    void getNamedBufferParameteriv(BufferID bufferPacked, GLenum pname, GLint *params);            \
+    void getNamedBufferPointerv(BufferID bufferPacked, GLenum pname, void **params);               \
+    void getNamedBufferSubData(BufferID bufferPacked, GLintptr offset, GLsizeiptr size,            \
+                               void *data);                                                        \
+    void getNamedFramebufferAttachmentParameteriv(FramebufferID framebufferPacked,                 \
+                                                  GLenum attachment, GLenum pname, GLint *params); \
+    void getNamedFramebufferParameteriv(FramebufferID framebufferPacked, GLenum pname,             \
+                                        GLint *param);                                             \
+    void getNamedRenderbufferParameteriv(RenderbufferID renderbufferPacked, GLenum pname,          \
+                                         GLint *params);                                           \
+    void getQueryBufferObjecti64v(GLuint id, BufferID bufferPacked, GLenum pname,                  \
+                                  GLintptr offset);                                                \
+    void getQueryBufferObjectiv(GLuint id, BufferID bufferPacked, GLenum pname, GLintptr offset);  \
+    void getQueryBufferObjectui64v(GLuint id, BufferID bufferPacked, GLenum pname,                 \
+                                   GLintptr offset);                                               \
+    void getQueryBufferObjectuiv(GLuint id, BufferID bufferPacked, GLenum pname, GLintptr offset); \
+    void getTextureImage(TextureID texturePacked, GLint level, GLenum format, GLenum type,         \
+                         GLsizei bufSize, void *pixels);                                           \
+    void getTextureLevelParameterfv(TextureID texturePacked, GLint level, GLenum pname,            \
+                                    GLfloat *params);                                              \
+    void getTextureLevelParameteriv(TextureID texturePacked, GLint level, GLenum pname,            \
+                                    GLint *params);                                                \
+    void getTextureParameterIiv(TextureID texturePacked, GLenum pname, GLint *params);             \
+    void getTextureParameterIuiv(TextureID texturePacked, GLenum pname, GLuint *params);           \
+    void getTextureParameterfv(TextureID texturePacked, GLenum pname, GLfloat *params);            \
+    void getTextureParameteriv(TextureID texturePacked, GLenum pname, GLint *params);              \
+    void getTextureSubImage(TextureID texturePacked, GLint level, GLint xoffset, GLint yoffset,    \
+                            GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,           \
+                            GLenum format, GLenum type, GLsizei bufSize, void *pixels);            \
+    void getTransformFeedbacki64_v(GLuint xfb, GLenum pname, GLuint index, GLint64 *param);        \
+    void getTransformFeedbacki_v(GLuint xfb, GLenum pname, GLuint index, GLint *param);            \
+    void getTransformFeedbackiv(GLuint xfb, GLenum pname, GLint *param);                           \
+    void getVertexArrayIndexed64iv(VertexArrayID vaobjPacked, GLuint index, GLenum pname,          \
+                                   GLint64 *param);                                                \
+    void getVertexArrayIndexediv(VertexArrayID vaobjPacked, GLuint index, GLenum pname,            \
+                                 GLint *param);                                                    \
+    void getVertexArrayiv(VertexArrayID vaobjPacked, GLenum pname, GLint *param);                  \
+    void getnColorTable(GLenum target, GLenum format, GLenum type, GLsizei bufSize, void *table);  \
+    void getnCompressedTexImage(GLenum target, GLint lod, GLsizei bufSize, void *pixels);          \
+    void getnConvolutionFilter(GLenum target, GLenum format, GLenum type, GLsizei bufSize,         \
+                               void *image);                                                       \
+    void getnHistogram(GLenum target, GLboolean reset, GLenum format, GLenum type,                 \
+                       GLsizei bufSize, void *values);                                             \
+    void getnMapdv(GLenum target, GLenum query, GLsizei bufSize, GLdouble *v);                     \
+    void getnMapfv(GLenum target, GLenum query, GLsizei bufSize, GLfloat *v);                      \
+    void getnMapiv(GLenum target, GLenum query, GLsizei bufSize, GLint *v);                        \
+    void getnMinmax(GLenum target, GLboolean reset, GLenum format, GLenum type, GLsizei bufSize,   \
+                    void *values);                                                                 \
+    void getnPixelMapfv(GLenum map, GLsizei bufSize, GLfloat *values);                             \
+    void getnPixelMapuiv(GLenum map, GLsizei bufSize, GLuint *values);                             \
+    void getnPixelMapusv(GLenum map, GLsizei bufSize, GLushort *values);                           \
+    void getnPolygonStipple(GLsizei bufSize, GLubyte *pattern);                                    \
+    void getnSeparableFilter(GLenum target, GLenum format, GLenum type, GLsizei rowBufSize,        \
+                             void *row, GLsizei columnBufSize, void *column, void *span);          \
+    void getnTexImage(GLenum target, GLint level, GLenum format, GLenum type, GLsizei bufSize,     \
+                      void *pixels);                                                               \
+    void getnUniformdv(ShaderProgramID programPacked, UniformLocation locationPacked,              \
+                       GLsizei bufSize, GLdouble *params);                                         \
+    void invalidateNamedFramebufferData(FramebufferID framebufferPacked, GLsizei numAttachments,   \
+                                        const GLenum *attachments);                                \
+    void invalidateNamedFramebufferSubData(FramebufferID framebufferPacked,                        \
+                                           GLsizei numAttachments, const GLenum *attachments,      \
+                                           GLint x, GLint y, GLsizei width, GLsizei height);       \
+    void *mapNamedBuffer(BufferID bufferPacked, GLenum access);                                    \
+    void *mapNamedBufferRange(BufferID bufferPacked, GLintptr offset, GLsizeiptr length,           \
+                              GLbitfield access);                                                  \
+    void namedBufferData(BufferID bufferPacked, GLsizeiptr size, const void *data, GLenum usage);  \
+    void namedBufferStorage(BufferID bufferPacked, GLsizeiptr size, const void *data,              \
+                            GLbitfield flags);                                                     \
+    void namedBufferSubData(BufferID bufferPacked, GLintptr offset, GLsizeiptr size,               \
+                            const void *data);                                                     \
+    void namedFramebufferDrawBuffer(FramebufferID framebufferPacked, GLenum buf);                  \
+    void namedFramebufferDrawBuffers(FramebufferID framebufferPacked, GLsizei n,                   \
+                                     const GLenum *bufs);                                          \
+    void namedFramebufferParameteri(FramebufferID framebufferPacked, GLenum pname, GLint param);   \
+    void namedFramebufferReadBuffer(FramebufferID framebufferPacked, GLenum src);                  \
+    void namedFramebufferRenderbuffer(FramebufferID framebufferPacked, GLenum attachment,          \
+                                      GLenum renderbuffertarget,                                   \
+                                      RenderbufferID renderbufferPacked);                          \
+    void namedFramebufferTexture(FramebufferID framebufferPacked, GLenum attachment,               \
+                                 TextureID texturePacked, GLint level);                            \
+    void namedFramebufferTextureLayer(FramebufferID framebufferPacked, GLenum attachment,          \
+                                      TextureID texturePacked, GLint level, GLint layer);          \
+    void namedRenderbufferStorage(RenderbufferID renderbufferPacked, GLenum internalformat,        \
+                                  GLsizei width, GLsizei height);                                  \
+    void namedRenderbufferStorageMultisample(RenderbufferID renderbufferPacked, GLsizei samples,   \
+                                             GLenum internalformat, GLsizei width,                 \
+                                             GLsizei height);                                      \
+    void textureBarrier();                                                                         \
+    void textureBuffer(TextureID texturePacked, GLenum internalformat, BufferID bufferPacked);     \
+    void textureBufferRange(TextureID texturePacked, GLenum internalformat, BufferID bufferPacked, \
+                            GLintptr offset, GLsizeiptr size);                                     \
+    void textureParameterIiv(TextureID texturePacked, GLenum pname, const GLint *params);          \
+    void textureParameterIuiv(TextureID texturePacked, GLenum pname, const GLuint *params);        \
+    void textureParameterf(TextureID texturePacked, GLenum pname, GLfloat param);                  \
+    void textureParameterfv(TextureID texturePacked, GLenum pname, const GLfloat *param);          \
+    void textureParameteri(TextureID texturePacked, GLenum pname, GLint param);                    \
+    void textureParameteriv(TextureID texturePacked, GLenum pname, const GLint *param);            \
+    void textureStorage1D(TextureID texturePacked, GLsizei levels, GLenum internalformat,          \
+                          GLsizei width);                                                          \
+    void textureStorage2D(TextureID texturePacked, GLsizei levels, GLenum internalformat,          \
+                          GLsizei width, GLsizei height);                                          \
+    void textureStorage2DMultisample(TextureID texturePacked, GLsizei samples,                     \
+                                     GLenum internalformat, GLsizei width, GLsizei height,         \
+                                     GLboolean fixedsamplelocations);                              \
+    void textureStorage3D(TextureID texturePacked, GLsizei levels, GLenum internalformat,          \
+                          GLsizei width, GLsizei height, GLsizei depth);                           \
+    void textureStorage3DMultisample(TextureID texturePacked, GLsizei samples,                     \
+                                     GLenum internalformat, GLsizei width, GLsizei height,         \
+                                     GLsizei depth, GLboolean fixedsamplelocations);               \
+    void textureSubImage1D(TextureID texturePacked, GLint level, GLint xoffset, GLsizei width,     \
+                           GLenum format, GLenum type, const void *pixels);                        \
+    void textureSubImage2D(TextureID texturePacked, GLint level, GLint xoffset, GLint yoffset,     \
+                           GLsizei width, GLsizei height, GLenum format, GLenum type,              \
+                           const void *pixels);                                                    \
+    void textureSubImage3D(TextureID texturePacked, GLint level, GLint xoffset, GLint yoffset,     \
+                           GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,            \
+                           GLenum format, GLenum type, const void *pixels);                        \
+    void transformFeedbackBufferBase(GLuint xfb, GLuint index, BufferID bufferPacked);             \
+    void transformFeedbackBufferRange(GLuint xfb, GLuint index, BufferID bufferPacked,             \
+                                      GLintptr offset, GLsizeiptr size);                           \
+    GLboolean unmapNamedBuffer(BufferID bufferPacked);                                             \
+    void vertexArrayAttribBinding(VertexArrayID vaobjPacked, GLuint attribindex,                   \
+                                  GLuint bindingindex);                                            \
+    void vertexArrayAttribFormat(VertexArrayID vaobjPacked, GLuint attribindex, GLint size,        \
+                                 GLenum type, GLboolean normalized, GLuint relativeoffset);        \
+    void vertexArrayAttribIFormat(VertexArrayID vaobjPacked, GLuint attribindex, GLint size,       \
+                                  GLenum type, GLuint relativeoffset);                             \
+    void vertexArrayAttribLFormat(VertexArrayID vaobjPacked, GLuint attribindex, GLint size,       \
+                                  GLenum type, GLuint relativeoffset);                             \
+    void vertexArrayBindingDivisor(VertexArrayID vaobjPacked, GLuint bindingindex,                 \
+                                   GLuint divisor);                                                \
+    void vertexArrayElementBuffer(VertexArrayID vaobjPacked, BufferID bufferPacked);               \
+    void vertexArrayVertexBuffer(VertexArrayID vaobjPacked, GLuint bindingindex,                   \
+                                 BufferID bufferPacked, GLintptr offset, GLsizei stride);          \
+    void vertexArrayVertexBuffers(VertexArrayID vaobjPacked, GLuint first, GLsizei count,          \
+                                  const BufferID *buffersPacked, const GLintptr *offsets,          \
+                                  const GLsizei *strides);                                         \
+    void multiDrawArraysIndirectCount(GLenum mode, const void *indirect, GLintptr drawcount,       \
+                                      GLsizei maxdrawcount, GLsizei stride);                       \
+    void multiDrawElementsIndirectCount(GLenum mode, GLenum type, const void *indirect,            \
+                                        GLintptr drawcount, GLsizei maxdrawcount, GLsizei stride); \
+    void polygonOffsetClamp(GLfloat factor, GLfloat units, GLfloat clamp);                         \
+    void specializeShader(GLuint shader, const GLchar *pEntryPoint,                                \
+                          GLuint numSpecializationConstants, const GLuint *pConstantIndex,         \
+                          const GLuint *pConstantValue);
+
+#endif  // ANGLE_CONTEXT_API_4_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gles_1_0.cpp b/gfx/angle/checkout/src/libANGLE/Context_gles_1_0.cpp
new file mode 100644
index 0000000000..611085cfae
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gles_1_0.cpp
@@ -0,0 +1,746 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Context_gles_1_0.cpp: Implements the GLES1-specific parts of Context.
+
+#include "libANGLE/Context.h"
+
+#include "common/mathutil.h"
+#include "common/utilities.h"
+
+#include "libANGLE/GLES1Renderer.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/queryutils.h"
+
+namespace
+{
+
+angle::Mat4 FixedMatrixToMat4(const GLfixed *m)
+{
+    angle::Mat4 matrixAsFloat;
+    GLfloat *floatData = matrixAsFloat.data();
+
+    for (int i = 0; i < 16; i++)
+    {
+        floatData[i] = gl::ConvertFixedToFloat(m[i]);
+    }
+
+    return matrixAsFloat;
+}
+
+}  // namespace
+
+namespace gl
+{
+
+void Context::alphaFunc(AlphaTestFunc func, GLfloat ref)
+{
+    mState.gles1().setAlphaFunc(func, ref);
+}
+
+void Context::alphaFuncx(AlphaTestFunc func, GLfixed ref)
+{
+    mState.gles1().setAlphaFunc(func, ConvertFixedToFloat(ref));
+}
+
+void Context::clearColorx(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha)
+{
+    mState.setColorClearValue(ConvertFixedToFloat(red), ConvertFixedToFloat(green),
+                              ConvertFixedToFloat(blue), ConvertFixedToFloat(alpha));
+}
+
+void Context::clearDepthx(GLfixed depth)
+{
+    mState.setDepthClearValue(clamp01(ConvertFixedToFloat(depth)));
+}
+
+void Context::clientActiveTexture(GLenum texture)
+{
+    mState.gles1().setClientTextureUnit(texture - GL_TEXTURE0);
+    mStateCache.onGLES1ClientStateChange(this);
+}
+
+void Context::clipPlanef(GLenum p, const GLfloat *eqn)
+{
+    mState.gles1().setClipPlane(p - GL_CLIP_PLANE0, eqn);
+}
+
+void Context::clipPlanex(GLenum plane, const GLfixed *equation)
+{
+    const GLfloat equationf[4] = {
+        ConvertFixedToFloat(equation[0]),
+        ConvertFixedToFloat(equation[1]),
+        ConvertFixedToFloat(equation[2]),
+        ConvertFixedToFloat(equation[3]),
+    };
+
+    mState.gles1().setClipPlane(plane - GL_CLIP_PLANE0, equationf);
+}
+
+void Context::color4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
+{
+    mState.gles1().setCurrentColor({red, green, blue, alpha});
+}
+
+void Context::color4ub(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha)
+{
+    mState.gles1().setCurrentColor(
+        {normalizedToFloat<uint8_t>(red), normalizedToFloat<uint8_t>(green),
+         normalizedToFloat<uint8_t>(blue), normalizedToFloat<uint8_t>(alpha)});
+}
+
+void Context::color4x(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha)
+{
+    mState.gles1().setCurrentColor({ConvertFixedToFloat(red), ConvertFixedToFloat(green),
+                                    ConvertFixedToFloat(blue), ConvertFixedToFloat(alpha)});
+}
+
+void Context::colorPointer(GLint size, VertexAttribType type, GLsizei stride, const void *ptr)
+{
+    // Note that we normalize data for UnsignedByte types. This is to match the behavior
+    // of current native GLES drivers.
+    vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::Color), size, type,
+                        type == VertexAttribType::UnsignedByte, stride, ptr);
+}
+
+void Context::depthRangex(GLfixed n, GLfixed f)
+{
+    mState.setDepthRange(clamp01(ConvertFixedToFloat(n)), clamp01(ConvertFixedToFloat(f)));
+}
+
+void Context::disableClientState(ClientVertexArrayType clientState)
+{
+    mState.gles1().setClientStateEnabled(clientState, false);
+    disableVertexAttribArray(vertexArrayIndex(clientState));
+    mStateCache.onGLES1ClientStateChange(this);
+}
+
+void Context::enableClientState(ClientVertexArrayType clientState)
+{
+    mState.gles1().setClientStateEnabled(clientState, true);
+    enableVertexAttribArray(vertexArrayIndex(clientState));
+    mStateCache.onGLES1ClientStateChange(this);
+}
+
+void Context::fogf(GLenum pname, GLfloat param)
+{
+    SetFogParameters(&mState.gles1(), pname, &param);
+}
+
+void Context::fogfv(GLenum pname, const GLfloat *params)
+{
+    SetFogParameters(&mState.gles1(), pname, params);
+}
+
+void Context::fogx(GLenum pname, GLfixed param)
+{
+    if (GetFogParameterCount(pname) == 1)
+    {
+        GLfloat paramf = pname == GL_FOG_MODE ? ConvertToGLenum(param) : ConvertFixedToFloat(param);
+        fogf(pname, paramf);
+    }
+    else
+    {
+        UNREACHABLE();
+    }
+}
+
+void Context::fogxv(GLenum pname, const GLfixed *params)
+{
+    int paramCount = GetFogParameterCount(pname);
+
+    if (paramCount > 0)
+    {
+        GLfloat paramsf[4];
+        for (int i = 0; i < paramCount; i++)
+        {
+            paramsf[i] =
+                pname == GL_FOG_MODE ? ConvertToGLenum(params[i]) : ConvertFixedToFloat(params[i]);
+        }
+        fogfv(pname, paramsf);
+    }
+    else
+    {
+        UNREACHABLE();
+    }
+}
+
+void Context::frustumf(GLfloat l, GLfloat r, GLfloat b, GLfloat t, GLfloat n, GLfloat f)
+{
+    mState.gles1().multMatrix(angle::Mat4::Frustum(l, r, b, t, n, f));
+}
+
+void Context::frustumx(GLfixed l, GLfixed r, GLfixed b, GLfixed t, GLfixed n, GLfixed f)
+{
+    mState.gles1().multMatrix(angle::Mat4::Frustum(ConvertFixedToFloat(l), ConvertFixedToFloat(r),
+                                                   ConvertFixedToFloat(b), ConvertFixedToFloat(t),
+                                                   ConvertFixedToFloat(n), ConvertFixedToFloat(f)));
+}
+
+void Context::getClipPlanef(GLenum plane, GLfloat *equation)
+{
+    mState.gles1().getClipPlane(plane - GL_CLIP_PLANE0, equation);
+}
+
+void Context::getClipPlanex(GLenum plane, GLfixed *equation)
+{
+    GLfloat equationf[4] = {};
+
+    mState.gles1().getClipPlane(plane - GL_CLIP_PLANE0, equationf);
+
+    for (int i = 0; i < 4; i++)
+    {
+        equation[i] = ConvertFloatToFixed(equationf[i]);
+    }
+}
+
+void Context::getFixedv(GLenum pname, GLfixed *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+
+    getQueryParameterInfo(pname, &nativeType, &numParams);
+
+    std::vector<GLfloat> paramsf(numParams, 0);
+    CastStateValues(this, nativeType, pname, numParams, paramsf.data());
+
+    for (unsigned int i = 0; i < numParams; i++)
+    {
+        params[i] = ConvertFloatToFixed(paramsf[i]);
+    }
+}
+
+void Context::getLightfv(GLenum light, LightParameter pname, GLfloat *params)
+{
+    GetLightParameters(&mState.gles1(), light, pname, params);
+}
+
+void Context::getLightxv(GLenum light, LightParameter pname, GLfixed *params)
+{
+    GLfloat paramsf[4];
+    getLightfv(light, pname, paramsf);
+
+    for (unsigned int i = 0; i < GetLightParameterCount(pname); i++)
+    {
+        params[i] = ConvertFloatToFixed(paramsf[i]);
+    }
+}
+
+void Context::getMaterialfv(GLenum face, MaterialParameter pname, GLfloat *params)
+{
+    GetMaterialParameters(&mState.gles1(), face, pname, params);
+}
+
+void Context::getMaterialxv(GLenum face, MaterialParameter pname, GLfixed *params)
+{
+    GLfloat paramsf[4];
+    getMaterialfv(face, pname, paramsf);
+
+    for (unsigned int i = 0; i < GetMaterialParameterCount(pname); i++)
+    {
+        params[i] = ConvertFloatToFixed(paramsf[i]);
+    }
+}
+
+void Context::getTexEnvfv(TextureEnvTarget target, TextureEnvParameter pname, GLfloat *params)
+{
+    GetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, params);
+}
+
+void Context::getTexEnviv(TextureEnvTarget target, TextureEnvParameter pname, GLint *params)
+{
+    GLfloat paramsf[4];
+    GetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
+    ConvertTextureEnvToInt(pname, paramsf, params);
+}
+
+void Context::getTexEnvxv(TextureEnvTarget target, TextureEnvParameter pname, GLfixed *params)
+{
+    GLfloat paramsf[4];
+    GetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
+    ConvertTextureEnvToFixed(pname, paramsf, params);
+}
+
+void Context::getTexParameterxv(TextureType target, GLenum pname, GLfixed *params)
+{
+    const Texture *const texture = getTextureByType(target);
+    QueryTexParameterxv(this, texture, pname, params);
+}
+
+void Context::lightModelf(GLenum pname, GLfloat param)
+{
+    SetLightModelParameters(&mState.gles1(), pname, &param);
+}
+
+void Context::lightModelfv(GLenum pname, const GLfloat *params)
+{
+    SetLightModelParameters(&mState.gles1(), pname, params);
+}
+
+void Context::lightModelx(GLenum pname, GLfixed param)
+{
+    lightModelf(pname, ConvertFixedToFloat(param));
+}
+
+void Context::lightModelxv(GLenum pname, const GLfixed *param)
+{
+    GLfloat paramsf[4];
+
+    for (unsigned int i = 0; i < GetLightModelParameterCount(pname); i++)
+    {
+        paramsf[i] = ConvertFixedToFloat(param[i]);
+    }
+
+    lightModelfv(pname, paramsf);
+}
+
+void Context::lightf(GLenum light, LightParameter pname, GLfloat param)
+{
+    SetLightParameters(&mState.gles1(), light, pname, &param);
+}
+
+void Context::lightfv(GLenum light, LightParameter pname, const GLfloat *params)
+{
+    SetLightParameters(&mState.gles1(), light, pname, params);
+}
+
+void Context::lightx(GLenum light, LightParameter pname, GLfixed param)
+{
+    lightf(light, pname, ConvertFixedToFloat(param));
+}
+
+void Context::lightxv(GLenum light, LightParameter pname, const GLfixed *params)
+{
+    GLfloat paramsf[4];
+
+    for (unsigned int i = 0; i < GetLightParameterCount(pname); i++)
+    {
+        paramsf[i] = ConvertFixedToFloat(params[i]);
+    }
+
+    lightfv(light, pname, paramsf);
+}
+
+void Context::lineWidthx(GLfixed width)
+{
+    mState.setLineWidth(ConvertFixedToFloat(width));
+}
+
+void Context::loadIdentity()
+{
+    mState.gles1().loadMatrix(angle::Mat4());
+}
+
+void Context::loadMatrixf(const GLfloat *m)
+{
+    mState.gles1().loadMatrix(angle::Mat4(m));
+}
+
+void Context::loadMatrixx(const GLfixed *m)
+{
+    mState.gles1().loadMatrix(FixedMatrixToMat4(m));
+}
+
+void Context::logicOp(LogicalOperation opcodePacked)
+{
+    mState.gles1().setLogicOp(opcodePacked);
+}
+
+void Context::materialf(GLenum face, MaterialParameter pname, GLfloat param)
+{
+    SetMaterialParameters(&mState.gles1(), face, pname, &param);
+}
+
+void Context::materialfv(GLenum face, MaterialParameter pname, const GLfloat *params)
+{
+    SetMaterialParameters(&mState.gles1(), face, pname, params);
+}
+
+void Context::materialx(GLenum face, MaterialParameter pname, GLfixed param)
+{
+    materialf(face, pname, ConvertFixedToFloat(param));
+}
+
+void Context::materialxv(GLenum face, MaterialParameter pname, const GLfixed *param)
+{
+    GLfloat paramsf[4];
+
+    for (unsigned int i = 0; i < GetMaterialParameterCount(pname); i++)
+    {
+        paramsf[i] = ConvertFixedToFloat(param[i]);
+    }
+
+    materialfv(face, pname, paramsf);
+}
+
+void Context::matrixMode(MatrixType mode)
+{
+    mState.gles1().setMatrixMode(mode);
+}
+
+void Context::multMatrixf(const GLfloat *m)
+{
+    mState.gles1().multMatrix(angle::Mat4(m));
+}
+
+void Context::multMatrixx(const GLfixed *m)
+{
+    mState.gles1().multMatrix(FixedMatrixToMat4(m));
+}
+
+void Context::multiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q)
+{
+    unsigned int unit = target - GL_TEXTURE0;
+    ASSERT(target >= GL_TEXTURE0 && unit < getCaps().maxMultitextureUnits);
+    mState.gles1().setCurrentTextureCoords(unit, {s, t, r, q});
+}
+
+void Context::multiTexCoord4x(GLenum target, GLfixed s, GLfixed t, GLfixed r, GLfixed q)
+{
+    unsigned int unit = target - GL_TEXTURE0;
+    ASSERT(target >= GL_TEXTURE0 && unit < getCaps().maxMultitextureUnits);
+    mState.gles1().setCurrentTextureCoords(unit, {ConvertFixedToFloat(s), ConvertFixedToFloat(t),
+                                                  ConvertFixedToFloat(r), ConvertFixedToFloat(q)});
+}
+
+void Context::normal3f(GLfloat nx, GLfloat ny, GLfloat nz)
+{
+    mState.gles1().setCurrentNormal({nx, ny, nz});
+}
+
+void Context::normal3x(GLfixed nx, GLfixed ny, GLfixed nz)
+{
+    mState.gles1().setCurrentNormal(
+        {ConvertFixedToFloat(nx), ConvertFixedToFloat(ny), ConvertFixedToFloat(nz)});
+}
+
+void Context::normalPointer(VertexAttribType type, GLsizei stride, const void *ptr)
+{
+    vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::Normal), 3, type, GL_FALSE, stride,
+                        ptr);
+}
+
+void Context::orthof(GLfloat left,
+                     GLfloat right,
+                     GLfloat bottom,
+                     GLfloat top,
+                     GLfloat zNear,
+                     GLfloat zFar)
+{
+    mState.gles1().multMatrix(angle::Mat4::Ortho(left, right, bottom, top, zNear, zFar));
+}
+
+void Context::orthox(GLfixed l, GLfixed r, GLfixed b, GLfixed t, GLfixed n, GLfixed f)
+{
+    mState.gles1().multMatrix(angle::Mat4::Ortho(ConvertFixedToFloat(l), ConvertFixedToFloat(r),
+                                                 ConvertFixedToFloat(b), ConvertFixedToFloat(t),
+                                                 ConvertFixedToFloat(n), ConvertFixedToFloat(f)));
+}
+
+void Context::pointParameterf(PointParameter pname, GLfloat param)
+{
+    SetPointParameter(&mState.gles1(), pname, &param);
+}
+
+void Context::pointParameterfv(PointParameter pname, const GLfloat *params)
+{
+    SetPointParameter(&mState.gles1(), pname, params);
+}
+
+void Context::pointParameterx(PointParameter pname, GLfixed param)
+{
+    GLfloat paramf = ConvertFixedToFloat(param);
+    SetPointParameter(&mState.gles1(), pname, &paramf);
+}
+
+void Context::pointParameterxv(PointParameter pname, const GLfixed *params)
+{
+    GLfloat paramsf[4] = {};
+    for (unsigned int i = 0; i < GetPointParameterCount(pname); i++)
+    {
+        paramsf[i] = ConvertFixedToFloat(params[i]);
+    }
+    SetPointParameter(&mState.gles1(), pname, paramsf);
+}
+
+void Context::pointSize(GLfloat size)
+{
+    SetPointSize(&mState.gles1(), size);
+}
+
+void Context::pointSizex(GLfixed size)
+{
+    SetPointSize(&mState.gles1(), ConvertFixedToFloat(size));
+}
+
+void Context::polygonOffsetx(GLfixed factor, GLfixed units)
+{
+    mState.setPolygonOffsetParams(ConvertFixedToFloat(factor), ConvertFixedToFloat(units));
+}
+
+void Context::popMatrix()
+{
+    mState.gles1().popMatrix();
+}
+
+void Context::pushMatrix()
+{
+    mState.gles1().pushMatrix();
+}
+
+void Context::rotatef(float angle, float x, float y, float z)
+{
+    mState.gles1().multMatrix(angle::Mat4::Rotate(angle, angle::Vector3(x, y, z)));
+}
+
+void Context::rotatex(GLfixed angle, GLfixed x, GLfixed y, GLfixed z)
+{
+    mState.gles1().multMatrix(angle::Mat4::Rotate(
+        ConvertFixedToFloat(angle),
+        angle::Vector3(ConvertFixedToFloat(x), ConvertFixedToFloat(y), ConvertFixedToFloat(z))));
+}
+
+void Context::sampleCoveragex(GLclampx value, GLboolean invert)
+{
+    GLclampf valuef = ConvertFixedToFloat(value);
+    mState.setSampleCoverageParams(clamp01(valuef), ConvertToBool(invert));
+}
+
+void Context::scalef(float x, float y, float z)
+{
+    mState.gles1().multMatrix(angle::Mat4::Scale(angle::Vector3(x, y, z)));
+}
+
+void Context::scalex(GLfixed x, GLfixed y, GLfixed z)
+{
+    mState.gles1().multMatrix(angle::Mat4::Scale(
+        angle::Vector3(ConvertFixedToFloat(x), ConvertFixedToFloat(y), ConvertFixedToFloat(z))));
+}
+
+void Context::shadeModel(ShadingModel model)
+{
+    mState.gles1().setShadeModel(model);
+}
+
+void Context::texCoordPointer(GLint size, VertexAttribType type, GLsizei stride, const void *ptr)
+{
+    vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::TextureCoord), size, type, GL_FALSE,
+                        stride, ptr);
+}
+
+void Context::texEnvf(TextureEnvTarget target, TextureEnvParameter pname, GLfloat param)
+{
+    SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, &param);
+}
+
+void Context::texEnvfv(TextureEnvTarget target, TextureEnvParameter pname, const GLfloat *params)
+{
+    SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, params);
+}
+
+void Context::texEnvi(TextureEnvTarget target, TextureEnvParameter pname, GLint param)
+{
+    GLfloat paramsf[4] = {};
+    ConvertTextureEnvFromInt(pname, &param, paramsf);
+    SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
+}
+
+void Context::texEnviv(TextureEnvTarget target, TextureEnvParameter pname, const GLint *params)
+{
+    GLfloat paramsf[4] = {};
+    ConvertTextureEnvFromInt(pname, params, paramsf);
+    SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
+}
+
+void Context::texEnvx(TextureEnvTarget target, TextureEnvParameter pname, GLfixed param)
+{
+    GLfloat paramsf[4] = {};
+    ConvertTextureEnvFromFixed(pname, &param, paramsf);
+    SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
+}
+
+void Context::texEnvxv(TextureEnvTarget target, TextureEnvParameter pname, const GLfixed *params)
+{
+    GLfloat paramsf[4] = {};
+    ConvertTextureEnvFromFixed(pname, params, paramsf);
+    SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
+}
+
+void Context::texParameterx(TextureType target, GLenum pname, GLfixed param)
+{
+    Texture *const texture = getTextureByType(target);
+    SetTexParameterx(this, texture, pname, param);
+}
+
+void Context::texParameterxv(TextureType target, GLenum pname, const GLfixed *params)
+{
+    Texture *const texture = getTextureByType(target);
+    SetTexParameterxv(this, texture, pname, params);
+}
+
+void Context::translatef(float x, float y, float z)
+{
+    mState.gles1().multMatrix(angle::Mat4::Translate(angle::Vector3(x, y, z)));
+}
+
+void Context::translatex(GLfixed x, GLfixed y, GLfixed z)
+{
+    mState.gles1().multMatrix(angle::Mat4::Translate(
+        angle::Vector3(ConvertFixedToFloat(x), ConvertFixedToFloat(y), ConvertFixedToFloat(z))));
+}
+
+void Context::vertexPointer(GLint size, VertexAttribType type, GLsizei stride, const void *ptr)
+{
+    vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::Vertex), size, type, GL_FALSE,
+                        stride, ptr);
+}
+
+// GL_OES_draw_texture
+void Context::drawTexf(float x, float y, float z, float width, float height)
+{
+    mGLES1Renderer->drawTexture(this, &mState, x, y, z, width, height);
+}
+
+void Context::drawTexfv(const GLfloat *coords)
+{
+    mGLES1Renderer->drawTexture(this, &mState, coords[0], coords[1], coords[2], coords[3],
+                                coords[4]);
+}
+
+void Context::drawTexi(GLint x, GLint y, GLint z, GLint width, GLint height)
+{
+    mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(x), static_cast<GLfloat>(y),
+                                static_cast<GLfloat>(z), static_cast<GLfloat>(width),
+                                static_cast<GLfloat>(height));
+}
+
+void Context::drawTexiv(const GLint *coords)
+{
+    mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(coords[0]),
+                                static_cast<GLfloat>(coords[1]), static_cast<GLfloat>(coords[2]),
+                                static_cast<GLfloat>(coords[3]), static_cast<GLfloat>(coords[4]));
+}
+
+void Context::drawTexs(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height)
+{
+    mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(x), static_cast<GLfloat>(y),
+                                static_cast<GLfloat>(z), static_cast<GLfloat>(width),
+                                static_cast<GLfloat>(height));
+}
+
+void Context::drawTexsv(const GLshort *coords)
+{
+    mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(coords[0]),
+                                static_cast<GLfloat>(coords[1]), static_cast<GLfloat>(coords[2]),
+                                static_cast<GLfloat>(coords[3]), static_cast<GLfloat>(coords[4]));
+}
+
+void Context::drawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height)
+{
+    mGLES1Renderer->drawTexture(this, &mState, ConvertFixedToFloat(x), ConvertFixedToFloat(y),
+                                ConvertFixedToFloat(z), ConvertFixedToFloat(width),
+                                ConvertFixedToFloat(height));
+}
+
+void Context::drawTexxv(const GLfixed *coords)
+{
+    mGLES1Renderer->drawTexture(this, &mState, ConvertFixedToFloat(coords[0]),
+                                ConvertFixedToFloat(coords[1]), ConvertFixedToFloat(coords[2]),
+                                ConvertFixedToFloat(coords[3]), ConvertFixedToFloat(coords[4]));
+}
+
+// GL_OES_matrix_palette
+void Context::currentPaletteMatrix(GLuint matrixpaletteindex)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::loadPaletteFromModelViewMatrix()
+{
+    UNIMPLEMENTED();
+}
+
+void Context::matrixIndexPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::weightPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
+{
+    UNIMPLEMENTED();
+}
+
+// GL_OES_point_size_array
+void Context::pointSizePointer(VertexAttribType type, GLsizei stride, const void *ptr)
+{
+    vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::PointSize), 1, type, GL_FALSE,
+                        stride, ptr);
+}
+
+// GL_OES_query_matrix
+GLbitfield Context::queryMatrixx(GLfixed *mantissa, GLint *exponent)
+{
+    UNIMPLEMENTED();
+    return 0;
+}
+
+// GL_OES_texture_cube_map
+void Context::getTexGenfv(GLenum coord, GLenum pname, GLfloat *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTexGeniv(GLenum coord, GLenum pname, GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::getTexGenxv(GLenum coord, GLenum pname, GLfixed *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGenf(GLenum coord, GLenum pname, GLfloat param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGenfv(GLenum coord, GLenum pname, const GLfloat *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGeni(GLenum coord, GLenum pname, GLint param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGeniv(GLenum coord, GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGenx(GLenum coord, GLenum pname, GLfixed param)
+{
+    UNIMPLEMENTED();
+}
+
+void Context::texGenxv(GLenum coord, GLenum pname, const GLint *params)
+{
+    UNIMPLEMENTED();
+}
+
+int Context::vertexArrayIndex(ClientVertexArrayType type) const
+{
+    return GLES1Renderer::VertexArrayIndex(type, mState.gles1());
+}
+
+// static
+int Context::TexCoordArrayIndex(unsigned int unit)
+{
+    return GLES1Renderer::TexCoordArrayIndex(unit);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gles_1_0_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gles_1_0_autogen.h
new file mode 100644
index 0000000000..77f1a9afce
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gles_1_0_autogen.h
@@ -0,0 +1,109 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gles_1_0_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GLES_1_0_AUTOGEN_H_
+#define ANGLE_CONTEXT_GLES_1_0_AUTOGEN_H_
+
+#define ANGLE_GLES_1_0_CONTEXT_API                                                               \
+    void alphaFunc(AlphaTestFunc funcPacked, GLfloat ref);                                       \
+    void alphaFuncx(AlphaTestFunc funcPacked, GLfixed ref);                                      \
+    void clearColorx(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha);                   \
+    void clearDepthx(GLfixed depth);                                                             \
+    void clientActiveTexture(GLenum texture);                                                    \
+    void clipPlanef(GLenum p, const GLfloat *eqn);                                               \
+    void clipPlanex(GLenum plane, const GLfixed *equation);                                      \
+    void color4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);                       \
+    void color4ub(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);                      \
+    void color4x(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha);                       \
+    void colorPointer(GLint size, VertexAttribType typePacked, GLsizei stride,                   \
+                      const void *pointer);                                                      \
+    void depthRangex(GLfixed n, GLfixed f);                                                      \
+    void disableClientState(ClientVertexArrayType arrayPacked);                                  \
+    void enableClientState(ClientVertexArrayType arrayPacked);                                   \
+    void fogf(GLenum pname, GLfloat param);                                                      \
+    void fogfv(GLenum pname, const GLfloat *params);                                             \
+    void fogx(GLenum pname, GLfixed param);                                                      \
+    void fogxv(GLenum pname, const GLfixed *param);                                              \
+    void frustumf(GLfloat l, GLfloat r, GLfloat b, GLfloat t, GLfloat n, GLfloat f);             \
+    void frustumx(GLfixed l, GLfixed r, GLfixed b, GLfixed t, GLfixed n, GLfixed f);             \
+    void getClipPlanef(GLenum plane, GLfloat *equation);                                         \
+    void getClipPlanex(GLenum plane, GLfixed *equation);                                         \
+    void getFixedv(GLenum pname, GLfixed *params);                                               \
+    void getLightfv(GLenum light, LightParameter pnamePacked, GLfloat *params);                  \
+    void getLightxv(GLenum light, LightParameter pnamePacked, GLfixed *params);                  \
+    void getMaterialfv(GLenum face, MaterialParameter pnamePacked, GLfloat *params);             \
+    void getMaterialxv(GLenum face, MaterialParameter pnamePacked, GLfixed *params);             \
+    void getTexEnvfv(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked,             \
+                     GLfloat *params);                                                           \
+    void getTexEnviv(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked,             \
+                     GLint *params);                                                             \
+    void getTexEnvxv(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked,             \
+                     GLfixed *params);                                                           \
+    void getTexParameterxv(TextureType targetPacked, GLenum pname, GLfixed *params);             \
+    void lightModelf(GLenum pname, GLfloat param);                                               \
+    void lightModelfv(GLenum pname, const GLfloat *params);                                      \
+    void lightModelx(GLenum pname, GLfixed param);                                               \
+    void lightModelxv(GLenum pname, const GLfixed *param);                                       \
+    void lightf(GLenum light, LightParameter pnamePacked, GLfloat param);                        \
+    void lightfv(GLenum light, LightParameter pnamePacked, const GLfloat *params);               \
+    void lightx(GLenum light, LightParameter pnamePacked, GLfixed param);                        \
+    void lightxv(GLenum light, LightParameter pnamePacked, const GLfixed *params);               \
+    void lineWidthx(GLfixed width);                                                              \
+    void loadIdentity();                                                                         \
+    void loadMatrixf(const GLfloat *m);                                                          \
+    void loadMatrixx(const GLfixed *m);                                                          \
+    void logicOp(LogicalOperation opcodePacked);                                                 \
+    void materialf(GLenum face, MaterialParameter pnamePacked, GLfloat param);                   \
+    void materialfv(GLenum face, MaterialParameter pnamePacked, const GLfloat *params);          \
+    void materialx(GLenum face, MaterialParameter pnamePacked, GLfixed param);                   \
+    void materialxv(GLenum face, MaterialParameter pnamePacked, const GLfixed *param);           \
+    void matrixMode(MatrixType modePacked);                                                      \
+    void multMatrixf(const GLfloat *m);                                                          \
+    void multMatrixx(const GLfixed *m);                                                          \
+    void multiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q);             \
+    void multiTexCoord4x(GLenum texture, GLfixed s, GLfixed t, GLfixed r, GLfixed q);            \
+    void normal3f(GLfloat nx, GLfloat ny, GLfloat nz);                                           \
+    void normal3x(GLfixed nx, GLfixed ny, GLfixed nz);                                           \
+    void normalPointer(VertexAttribType typePacked, GLsizei stride, const void *pointer);        \
+    void orthof(GLfloat l, GLfloat r, GLfloat b, GLfloat t, GLfloat n, GLfloat f);               \
+    void orthox(GLfixed l, GLfixed r, GLfixed b, GLfixed t, GLfixed n, GLfixed f);               \
+    void pointParameterf(PointParameter pnamePacked, GLfloat param);                             \
+    void pointParameterfv(PointParameter pnamePacked, const GLfloat *params);                    \
+    void pointParameterx(PointParameter pnamePacked, GLfixed param);                             \
+    void pointParameterxv(PointParameter pnamePacked, const GLfixed *params);                    \
+    void pointSize(GLfloat size);                                                                \
+    void pointSizex(GLfixed size);                                                               \
+    void polygonOffsetx(GLfixed factor, GLfixed units);                                          \
+    void popMatrix();                                                                            \
+    void pushMatrix();                                                                           \
+    void rotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);                                \
+    void rotatex(GLfixed angle, GLfixed x, GLfixed y, GLfixed z);                                \
+    void sampleCoveragex(GLclampx value, GLboolean invert);                                      \
+    void scalef(GLfloat x, GLfloat y, GLfloat z);                                                \
+    void scalex(GLfixed x, GLfixed y, GLfixed z);                                                \
+    void shadeModel(ShadingModel modePacked);                                                    \
+    void texCoordPointer(GLint size, VertexAttribType typePacked, GLsizei stride,                \
+                         const void *pointer);                                                   \
+    void texEnvf(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked, GLfloat param); \
+    void texEnvfv(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked,                \
+                  const GLfloat *params);                                                        \
+    void texEnvi(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked, GLint param);   \
+    void texEnviv(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked,                \
+                  const GLint *params);                                                          \
+    void texEnvx(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked, GLfixed param); \
+    void texEnvxv(TextureEnvTarget targetPacked, TextureEnvParameter pnamePacked,                \
+                  const GLfixed *params);                                                        \
+    void texParameterx(TextureType targetPacked, GLenum pname, GLfixed param);                   \
+    void texParameterxv(TextureType targetPacked, GLenum pname, const GLfixed *params);          \
+    void translatef(GLfloat x, GLfloat y, GLfloat z);                                            \
+    void translatex(GLfixed x, GLfixed y, GLfixed z);                                            \
+    void vertexPointer(GLint size, VertexAttribType typePacked, GLsizei stride,                  \
+                       const void *pointer);
+
+#endif  // ANGLE_CONTEXT_API_1_0_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gles_2_0_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gles_2_0_autogen.h
new file mode 100644
index 0000000000..1c0501eaf3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gles_2_0_autogen.h
@@ -0,0 +1,190 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gles_2_0_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GLES_2_0_AUTOGEN_H_
+#define ANGLE_CONTEXT_GLES_2_0_AUTOGEN_H_
+
+#define ANGLE_GLES_2_0_CONTEXT_API                                                                 \
+    void activeTexture(GLenum texture);                                                            \
+    void attachShader(ShaderProgramID programPacked, ShaderProgramID shaderPacked);                \
+    void bindAttribLocation(ShaderProgramID programPacked, GLuint index, const GLchar *name);      \
+    void bindBuffer(BufferBinding targetPacked, BufferID bufferPacked);                            \
+    void bindFramebuffer(GLenum target, FramebufferID framebufferPacked);                          \
+    void bindRenderbuffer(GLenum target, RenderbufferID renderbufferPacked);                       \
+    void bindTexture(TextureType targetPacked, TextureID texturePacked);                           \
+    void blendColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);                      \
+    void blendEquation(GLenum mode);                                                               \
+    void blendEquationSeparate(GLenum modeRGB, GLenum modeAlpha);                                  \
+    void blendFunc(GLenum sfactor, GLenum dfactor);                                                \
+    void blendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha,              \
+                           GLenum dfactorAlpha);                                                   \
+    void bufferData(BufferBinding targetPacked, GLsizeiptr size, const void *data,                 \
+                    BufferUsage usagePacked);                                                      \
+    void bufferSubData(BufferBinding targetPacked, GLintptr offset, GLsizeiptr size,               \
+                       const void *data);                                                          \
+    GLenum checkFramebufferStatus(GLenum target);                                                  \
+    void clear(GLbitfield mask);                                                                   \
+    void clearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);                      \
+    void clearDepthf(GLfloat d);                                                                   \
+    void clearStencil(GLint s);                                                                    \
+    void colorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);               \
+    void compileShader(ShaderProgramID shaderPacked);                                              \
+    void compressedTexImage2D(TextureTarget targetPacked, GLint level, GLenum internalformat,      \
+                              GLsizei width, GLsizei height, GLint border, GLsizei imageSize,      \
+                              const void *data);                                                   \
+    void compressedTexSubImage2D(TextureTarget targetPacked, GLint level, GLint xoffset,           \
+                                 GLint yoffset, GLsizei width, GLsizei height, GLenum format,      \
+                                 GLsizei imageSize, const void *data);                             \
+    void copyTexImage2D(TextureTarget targetPacked, GLint level, GLenum internalformat, GLint x,   \
+                        GLint y, GLsizei width, GLsizei height, GLint border);                     \
+    void copyTexSubImage2D(TextureTarget targetPacked, GLint level, GLint xoffset, GLint yoffset,  \
+                           GLint x, GLint y, GLsizei width, GLsizei height);                       \
+    GLuint createProgram();                                                                        \
+    GLuint createShader(ShaderType typePacked);                                                    \
+    void cullFace(CullFaceMode modePacked);                                                        \
+    void deleteBuffers(GLsizei n, const BufferID *buffersPacked);                                  \
+    void deleteFramebuffers(GLsizei n, const FramebufferID *framebuffersPacked);                   \
+    void deleteProgram(ShaderProgramID programPacked);                                             \
+    void deleteRenderbuffers(GLsizei n, const RenderbufferID *renderbuffersPacked);                \
+    void deleteShader(ShaderProgramID shaderPacked);                                               \
+    void deleteTextures(GLsizei n, const TextureID *texturesPacked);                               \
+    void depthFunc(GLenum func);                                                                   \
+    void depthMask(GLboolean flag);                                                                \
+    void depthRangef(GLfloat n, GLfloat f);                                                        \
+    void detachShader(ShaderProgramID programPacked, ShaderProgramID shaderPacked);                \
+    void disable(GLenum cap);                                                                      \
+    void disableVertexAttribArray(GLuint index);                                                   \
+    void drawArrays(PrimitiveMode modePacked, GLint first, GLsizei count);                         \
+    void drawElements(PrimitiveMode modePacked, GLsizei count, DrawElementsType typePacked,        \
+                      const void *indices);                                                        \
+    void enable(GLenum cap);                                                                       \
+    void enableVertexAttribArray(GLuint index);                                                    \
+    void finish();                                                                                 \
+    void flush();                                                                                  \
+    void framebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget,      \
+                                 RenderbufferID renderbufferPacked);                               \
+    void framebufferTexture2D(GLenum target, GLenum attachment, TextureTarget textargetPacked,     \
+                              TextureID texturePacked, GLint level);                               \
+    void frontFace(GLenum mode);                                                                   \
+    void genBuffers(GLsizei n, BufferID *buffersPacked);                                           \
+    void genFramebuffers(GLsizei n, FramebufferID *framebuffersPacked);                            \
+    void genRenderbuffers(GLsizei n, RenderbufferID *renderbuffersPacked);                         \
+    void genTextures(GLsizei n, TextureID *texturesPacked);                                        \
+    void generateMipmap(TextureType targetPacked);                                                 \
+    void getActiveAttrib(ShaderProgramID programPacked, GLuint index, GLsizei bufSize,             \
+                         GLsizei *length, GLint *size, GLenum *type, GLchar *name);                \
+    void getActiveUniform(ShaderProgramID programPacked, GLuint index, GLsizei bufSize,            \
+                          GLsizei *length, GLint *size, GLenum *type, GLchar *name);               \
+    void getAttachedShaders(ShaderProgramID programPacked, GLsizei maxCount, GLsizei *count,       \
+                            ShaderProgramID *shadersPacked);                                       \
+    GLint getAttribLocation(ShaderProgramID programPacked, const GLchar *name);                    \
+    void getBooleanv(GLenum pname, GLboolean *data);                                               \
+    void getBufferParameteriv(BufferBinding targetPacked, GLenum pname, GLint *params);            \
+    GLenum getError();                                                                             \
+    void getFloatv(GLenum pname, GLfloat *data);                                                   \
+    void getFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname,       \
+                                             GLint *params);                                       \
+    void getIntegerv(GLenum pname, GLint *data);                                                   \
+    void getProgramInfoLog(ShaderProgramID programPacked, GLsizei bufSize, GLsizei *length,        \
+                           GLchar *infoLog);                                                       \
+    void getProgramiv(ShaderProgramID programPacked, GLenum pname, GLint *params);                 \
+    void getRenderbufferParameteriv(GLenum target, GLenum pname, GLint *params);                   \
+    void getShaderInfoLog(ShaderProgramID shaderPacked, GLsizei bufSize, GLsizei *length,          \
+                          GLchar *infoLog);                                                        \
+    void getShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint *range,           \
+                                  GLint *precision);                                               \
+    void getShaderSource(ShaderProgramID shaderPacked, GLsizei bufSize, GLsizei *length,           \
+                         GLchar *source);                                                          \
+    void getShaderiv(ShaderProgramID shaderPacked, GLenum pname, GLint *params);                   \
+    const GLubyte *getString(GLenum name);                                                         \
+    void getTexParameterfv(TextureType targetPacked, GLenum pname, GLfloat *params);               \
+    void getTexParameteriv(TextureType targetPacked, GLenum pname, GLint *params);                 \
+    GLint getUniformLocation(ShaderProgramID programPacked, const GLchar *name);                   \
+    void getUniformfv(ShaderProgramID programPacked, UniformLocation locationPacked,               \
+                      GLfloat *params);                                                            \
+    void getUniformiv(ShaderProgramID programPacked, UniformLocation locationPacked,               \
+                      GLint *params);                                                              \
+    void getVertexAttribPointerv(GLuint index, GLenum pname, void **pointer);                      \
+    void getVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);                           \
+    void getVertexAttribiv(GLuint index, GLenum pname, GLint *params);                             \
+    void hint(GLenum target, GLenum mode);                                                         \
+    GLboolean isBuffer(BufferID bufferPacked) const;                                               \
+    GLboolean isEnabled(GLenum cap) const;                                                         \
+    GLboolean isFramebuffer(FramebufferID framebufferPacked) const;                                \
+    GLboolean isProgram(ShaderProgramID programPacked) const;                                      \
+    GLboolean isRenderbuffer(RenderbufferID renderbufferPacked) const;                             \
+    GLboolean isShader(ShaderProgramID shaderPacked) const;                                        \
+    GLboolean isTexture(TextureID texturePacked) const;                                            \
+    void lineWidth(GLfloat width);                                                                 \
+    void linkProgram(ShaderProgramID programPacked);                                               \
+    void pixelStorei(GLenum pname, GLint param);                                                   \
+    void polygonOffset(GLfloat factor, GLfloat units);                                             \
+    void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,   \
+                    void *pixels);                                                                 \
+    void releaseShaderCompiler();                                                                  \
+    void renderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); \
+    void sampleCoverage(GLfloat value, GLboolean invert);                                          \
+    void scissor(GLint x, GLint y, GLsizei width, GLsizei height);                                 \
+    void shaderBinary(GLsizei count, const ShaderProgramID *shadersPacked, GLenum binaryFormat,    \
+                      const void *binary, GLsizei length);                                         \
+    void shaderSource(ShaderProgramID shaderPacked, GLsizei count, const GLchar *const *string,    \
+                      const GLint *length);                                                        \
+    void stencilFunc(GLenum func, GLint ref, GLuint mask);                                         \
+    void stencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask);                    \
+    void stencilMask(GLuint mask);                                                                 \
+    void stencilMaskSeparate(GLenum face, GLuint mask);                                            \
+    void stencilOp(GLenum fail, GLenum zfail, GLenum zpass);                                       \
+    void stencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);               \
+    void texImage2D(TextureTarget targetPacked, GLint level, GLint internalformat, GLsizei width,  \
+                    GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels); \
+    void texParameterf(TextureType targetPacked, GLenum pname, GLfloat param);                     \
+    void texParameterfv(TextureType targetPacked, GLenum pname, const GLfloat *params);            \
+    void texParameteri(TextureType targetPacked, GLenum pname, GLint param);                       \
+    void texParameteriv(TextureType targetPacked, GLenum pname, const GLint *params);              \
+    void texSubImage2D(TextureTarget targetPacked, GLint level, GLint xoffset, GLint yoffset,      \
+                       GLsizei width, GLsizei height, GLenum format, GLenum type,                  \
+                       const void *pixels);                                                        \
+    void uniform1f(UniformLocation locationPacked, GLfloat v0);                                    \
+    void uniform1fv(UniformLocation locationPacked, GLsizei count, const GLfloat *value);          \
+    void uniform1i(UniformLocation locationPacked, GLint v0);                                      \
+    void uniform1iv(UniformLocation locationPacked, GLsizei count, const GLint *value);            \
+    void uniform2f(UniformLocation locationPacked, GLfloat v0, GLfloat v1);                        \
+    void uniform2fv(UniformLocation locationPacked, GLsizei count, const GLfloat *value);          \
+    void uniform2i(UniformLocation locationPacked, GLint v0, GLint v1);                            \
+    void uniform2iv(UniformLocation locationPacked, GLsizei count, const GLint *value);            \
+    void uniform3f(UniformLocation locationPacked, GLfloat v0, GLfloat v1, GLfloat v2);            \
+    void uniform3fv(UniformLocation locationPacked, GLsizei count, const GLfloat *value);          \
+    void uniform3i(UniformLocation locationPacked, GLint v0, GLint v1, GLint v2);                  \
+    void uniform3iv(UniformLocation locationPacked, GLsizei count, const GLint *value);            \
+    void uniform4f(UniformLocation locationPacked, GLfloat v0, GLfloat v1, GLfloat v2,             \
+                   GLfloat v3);                                                                    \
+    void uniform4fv(UniformLocation locationPacked, GLsizei count, const GLfloat *value);          \
+    void uniform4i(UniformLocation locationPacked, GLint v0, GLint v1, GLint v2, GLint v3);        \
+    void uniform4iv(UniformLocation locationPacked, GLsizei count, const GLint *value);            \
+    void uniformMatrix2fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,      \
+                          const GLfloat *value);                                                   \
+    void uniformMatrix3fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,      \
+                          const GLfloat *value);                                                   \
+    void uniformMatrix4fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,      \
+                          const GLfloat *value);                                                   \
+    void useProgram(ShaderProgramID programPacked);                                                \
+    void validateProgram(ShaderProgramID programPacked);                                           \
+    void vertexAttrib1f(GLuint index, GLfloat x);                                                  \
+    void vertexAttrib1fv(GLuint index, const GLfloat *v);                                          \
+    void vertexAttrib2f(GLuint index, GLfloat x, GLfloat y);                                       \
+    void vertexAttrib2fv(GLuint index, const GLfloat *v);                                          \
+    void vertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z);                            \
+    void vertexAttrib3fv(GLuint index, const GLfloat *v);                                          \
+    void vertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);                 \
+    void vertexAttrib4fv(GLuint index, const GLfloat *v);                                          \
+    void vertexAttribPointer(GLuint index, GLint size, VertexAttribType typePacked,                \
+                             GLboolean normalized, GLsizei stride, const void *pointer);           \
+    void viewport(GLint x, GLint y, GLsizei width, GLsizei height);
+
+#endif  // ANGLE_CONTEXT_API_2_0_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gles_3_0_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gles_3_0_autogen.h
new file mode 100644
index 0000000000..f87f49f43d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gles_3_0_autogen.h
@@ -0,0 +1,164 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gles_3_0_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GLES_3_0_AUTOGEN_H_
+#define ANGLE_CONTEXT_GLES_3_0_AUTOGEN_H_
+
+#define ANGLE_GLES_3_0_CONTEXT_API                                                                 \
+    void beginQuery(QueryType targetPacked, QueryID idPacked);                                     \
+    void beginTransformFeedback(PrimitiveMode primitiveModePacked);                                \
+    void bindBufferBase(BufferBinding targetPacked, GLuint index, BufferID bufferPacked);          \
+    void bindBufferRange(BufferBinding targetPacked, GLuint index, BufferID bufferPacked,          \
+                         GLintptr offset, GLsizeiptr size);                                        \
+    void bindSampler(GLuint unit, SamplerID samplerPacked);                                        \
+    void bindTransformFeedback(GLenum target, TransformFeedbackID idPacked);                       \
+    void bindVertexArray(VertexArrayID arrayPacked);                                               \
+    void blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0,          \
+                         GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);   \
+    void clearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil);             \
+    void clearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat *value);                     \
+    void clearBufferiv(GLenum buffer, GLint drawbuffer, const GLint *value);                       \
+    void clearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint *value);                     \
+    GLenum clientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout);                        \
+    void compressedTexImage3D(TextureTarget targetPacked, GLint level, GLenum internalformat,      \
+                              GLsizei width, GLsizei height, GLsizei depth, GLint border,          \
+                              GLsizei imageSize, const void *data);                                \
+    void compressedTexSubImage3D(TextureTarget targetPacked, GLint level, GLint xoffset,           \
+                                 GLint yoffset, GLint zoffset, GLsizei width, GLsizei height,      \
+                                 GLsizei depth, GLenum format, GLsizei imageSize,                  \
+                                 const void *data);                                                \
+    void copyBufferSubData(BufferBinding readTargetPacked, BufferBinding writeTargetPacked,        \
+                           GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size);            \
+    void copyTexSubImage3D(TextureTarget targetPacked, GLint level, GLint xoffset, GLint yoffset,  \
+                           GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);        \
+    void deleteQueries(GLsizei n, const QueryID *idsPacked);                                       \
+    void deleteSamplers(GLsizei count, const SamplerID *samplersPacked);                           \
+    void deleteSync(GLsync sync);                                                                  \
+    void deleteTransformFeedbacks(GLsizei n, const TransformFeedbackID *idsPacked);                \
+    void deleteVertexArrays(GLsizei n, const VertexArrayID *arraysPacked);                         \
+    void drawArraysInstanced(PrimitiveMode modePacked, GLint first, GLsizei count,                 \
+                             GLsizei instancecount);                                               \
+    void drawBuffers(GLsizei n, const GLenum *bufs);                                               \
+    void drawElementsInstanced(PrimitiveMode modePacked, GLsizei count,                            \
+                               DrawElementsType typePacked, const void *indices,                   \
+                               GLsizei instancecount);                                             \
+    void drawRangeElements(PrimitiveMode modePacked, GLuint start, GLuint end, GLsizei count,      \
+                           DrawElementsType typePacked, const void *indices);                      \
+    void endQuery(QueryType targetPacked);                                                         \
+    void endTransformFeedback();                                                                   \
+    GLsync fenceSync(GLenum condition, GLbitfield flags);                                          \
+    void flushMappedBufferRange(BufferBinding targetPacked, GLintptr offset, GLsizeiptr length);   \
+    void framebufferTextureLayer(GLenum target, GLenum attachment, TextureID texturePacked,        \
+                                 GLint level, GLint layer);                                        \
+    void genQueries(GLsizei n, QueryID *idsPacked);                                                \
+    void genSamplers(GLsizei count, SamplerID *samplersPacked);                                    \
+    void genTransformFeedbacks(GLsizei n, TransformFeedbackID *idsPacked);                         \
+    void genVertexArrays(GLsizei n, VertexArrayID *arraysPacked);                                  \
+    void getActiveUniformBlockName(ShaderProgramID programPacked,                                  \
+                                   UniformBlockIndex uniformBlockIndexPacked, GLsizei bufSize,     \
+                                   GLsizei *length, GLchar *uniformBlockName);                     \
+    void getActiveUniformBlockiv(ShaderProgramID programPacked,                                    \
+                                 UniformBlockIndex uniformBlockIndexPacked, GLenum pname,          \
+                                 GLint *params);                                                   \
+    void getActiveUniformsiv(ShaderProgramID programPacked, GLsizei uniformCount,                  \
+                             const GLuint *uniformIndices, GLenum pname, GLint *params);           \
+    void getBufferParameteri64v(BufferBinding targetPacked, GLenum pname, GLint64 *params);        \
+    void getBufferPointerv(BufferBinding targetPacked, GLenum pname, void **params);               \
+    GLint getFragDataLocation(ShaderProgramID programPacked, const GLchar *name);                  \
+    void getInteger64i_v(GLenum target, GLuint index, GLint64 *data);                              \
+    void getInteger64v(GLenum pname, GLint64 *data);                                               \
+    void getIntegeri_v(GLenum target, GLuint index, GLint *data);                                  \
+    void getInternalformativ(GLenum target, GLenum internalformat, GLenum pname, GLsizei count,    \
+                             GLint *params);                                                       \
+    void getProgramBinary(ShaderProgramID programPacked, GLsizei bufSize, GLsizei *length,         \
+                          GLenum *binaryFormat, void *binary);                                     \
+    void getQueryObjectuiv(QueryID idPacked, GLenum pname, GLuint *params);                        \
+    void getQueryiv(QueryType targetPacked, GLenum pname, GLint *params);                          \
+    void getSamplerParameterfv(SamplerID samplerPacked, GLenum pname, GLfloat *params);            \
+    void getSamplerParameteriv(SamplerID samplerPacked, GLenum pname, GLint *params);              \
+    const GLubyte *getStringi(GLenum name, GLuint index);                                          \
+    void getSynciv(GLsync sync, GLenum pname, GLsizei count, GLsizei *length, GLint *values);      \
+    void getTransformFeedbackVarying(ShaderProgramID programPacked, GLuint index, GLsizei bufSize, \
+                                     GLsizei *length, GLsizei *size, GLenum *type, GLchar *name);  \
+    GLuint getUniformBlockIndex(ShaderProgramID programPacked, const GLchar *uniformBlockName);    \
+    void getUniformIndices(ShaderProgramID programPacked, GLsizei uniformCount,                    \
+                           const GLchar *const *uniformNames, GLuint *uniformIndices);             \
+    void getUniformuiv(ShaderProgramID programPacked, UniformLocation locationPacked,              \
+                       GLuint *params);                                                            \
+    void getVertexAttribIiv(GLuint index, GLenum pname, GLint *params);                            \
+    void getVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);                          \
+    void invalidateFramebuffer(GLenum target, GLsizei numAttachments, const GLenum *attachments);  \
+    void invalidateSubFramebuffer(GLenum target, GLsizei numAttachments,                           \
+                                  const GLenum *attachments, GLint x, GLint y, GLsizei width,      \
+                                  GLsizei height);                                                 \
+    GLboolean isQuery(QueryID idPacked) const;                                                     \
+    GLboolean isSampler(SamplerID samplerPacked) const;                                            \
+    GLboolean isSync(GLsync sync) const;                                                           \
+    GLboolean isTransformFeedback(TransformFeedbackID idPacked) const;                             \
+    GLboolean isVertexArray(VertexArrayID arrayPacked) const;                                      \
+    void *mapBufferRange(BufferBinding targetPacked, GLintptr offset, GLsizeiptr length,           \
+                         GLbitfield access);                                                       \
+    void pauseTransformFeedback();                                                                 \
+    void programBinary(ShaderProgramID programPacked, GLenum binaryFormat, const void *binary,     \
+                       GLsizei length);                                                            \
+    void programParameteri(ShaderProgramID programPacked, GLenum pname, GLint value);              \
+    void readBuffer(GLenum src);                                                                   \
+    void renderbufferStorageMultisample(GLenum target, GLsizei samples, GLenum internalformat,     \
+                                        GLsizei width, GLsizei height);                            \
+    void resumeTransformFeedback();                                                                \
+    void samplerParameterf(SamplerID samplerPacked, GLenum pname, GLfloat param);                  \
+    void samplerParameterfv(SamplerID samplerPacked, GLenum pname, const GLfloat *param);          \
+    void samplerParameteri(SamplerID samplerPacked, GLenum pname, GLint param);                    \
+    void samplerParameteriv(SamplerID samplerPacked, GLenum pname, const GLint *param);            \
+    void texImage3D(TextureTarget targetPacked, GLint level, GLint internalformat, GLsizei width,  \
+                    GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type,       \
+                    const void *pixels);                                                           \
+    void texStorage2D(TextureType targetPacked, GLsizei levels, GLenum internalformat,             \
+                      GLsizei width, GLsizei height);                                              \
+    void texStorage3D(TextureType targetPacked, GLsizei levels, GLenum internalformat,             \
+                      GLsizei width, GLsizei height, GLsizei depth);                               \
+    void texSubImage3D(TextureTarget targetPacked, GLint level, GLint xoffset, GLint yoffset,      \
+                       GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, \
+                       GLenum type, const void *pixels);                                           \
+    void transformFeedbackVaryings(ShaderProgramID programPacked, GLsizei count,                   \
+                                   const GLchar *const *varyings, GLenum bufferMode);              \
+    void uniform1ui(UniformLocation locationPacked, GLuint v0);                                    \
+    void uniform1uiv(UniformLocation locationPacked, GLsizei count, const GLuint *value);          \
+    void uniform2ui(UniformLocation locationPacked, GLuint v0, GLuint v1);                         \
+    void uniform2uiv(UniformLocation locationPacked, GLsizei count, const GLuint *value);          \
+    void uniform3ui(UniformLocation locationPacked, GLuint v0, GLuint v1, GLuint v2);              \
+    void uniform3uiv(UniformLocation locationPacked, GLsizei count, const GLuint *value);          \
+    void uniform4ui(UniformLocation locationPacked, GLuint v0, GLuint v1, GLuint v2, GLuint v3);   \
+    void uniform4uiv(UniformLocation locationPacked, GLsizei count, const GLuint *value);          \
+    void uniformBlockBinding(ShaderProgramID programPacked,                                        \
+                             UniformBlockIndex uniformBlockIndexPacked,                            \
+                             GLuint uniformBlockBinding);                                          \
+    void uniformMatrix2x3fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLfloat *value);                                                 \
+    void uniformMatrix2x4fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLfloat *value);                                                 \
+    void uniformMatrix3x2fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLfloat *value);                                                 \
+    void uniformMatrix3x4fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLfloat *value);                                                 \
+    void uniformMatrix4x2fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLfloat *value);                                                 \
+    void uniformMatrix4x3fv(UniformLocation locationPacked, GLsizei count, GLboolean transpose,    \
+                            const GLfloat *value);                                                 \
+    GLboolean unmapBuffer(BufferBinding targetPacked);                                             \
+    void vertexAttribDivisor(GLuint index, GLuint divisor);                                        \
+    void vertexAttribI4i(GLuint index, GLint x, GLint y, GLint z, GLint w);                        \
+    void vertexAttribI4iv(GLuint index, const GLint *v);                                           \
+    void vertexAttribI4ui(GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);                   \
+    void vertexAttribI4uiv(GLuint index, const GLuint *v);                                         \
+    void vertexAttribIPointer(GLuint index, GLint size, VertexAttribType typePacked,               \
+                              GLsizei stride, const void *pointer);                                \
+    void waitSync(GLsync sync, GLbitfield flags, GLuint64 timeout);
+
+#endif  // ANGLE_CONTEXT_API_3_0_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gles_3_1_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gles_3_1_autogen.h
new file mode 100644
index 0000000000..0d8c5dcabd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gles_3_1_autogen.h
@@ -0,0 +1,133 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gles_3_1_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GLES_3_1_AUTOGEN_H_
+#define ANGLE_CONTEXT_GLES_3_1_AUTOGEN_H_
+
+#define ANGLE_GLES_3_1_CONTEXT_API                                                                 \
+    void activeShaderProgram(ProgramPipelineID pipelinePacked, ShaderProgramID programPacked);     \
+    void bindImageTexture(GLuint unit, TextureID texturePacked, GLint level, GLboolean layered,    \
+                          GLint layer, GLenum access, GLenum format);                              \
+    void bindProgramPipeline(ProgramPipelineID pipelinePacked);                                    \
+    void bindVertexBuffer(GLuint bindingindex, BufferID bufferPacked, GLintptr offset,             \
+                          GLsizei stride);                                                         \
+    GLuint createShaderProgramv(ShaderType typePacked, GLsizei count,                              \
+                                const GLchar *const *strings);                                     \
+    void deleteProgramPipelines(GLsizei n, const ProgramPipelineID *pipelinesPacked);              \
+    void dispatchCompute(GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z);           \
+    void dispatchComputeIndirect(GLintptr indirect);                                               \
+    void drawArraysIndirect(PrimitiveMode modePacked, const void *indirect);                       \
+    void drawElementsIndirect(PrimitiveMode modePacked, DrawElementsType typePacked,               \
+                              const void *indirect);                                               \
+    void framebufferParameteri(GLenum target, GLenum pname, GLint param);                          \
+    void genProgramPipelines(GLsizei n, ProgramPipelineID *pipelinesPacked);                       \
+    void getBooleani_v(GLenum target, GLuint index, GLboolean *data);                              \
+    void getFramebufferParameteriv(GLenum target, GLenum pname, GLint *params);                    \
+    void getMultisamplefv(GLenum pname, GLuint index, GLfloat *val);                               \
+    void getProgramInterfaceiv(ShaderProgramID programPacked, GLenum programInterface,             \
+                               GLenum pname, GLint *params);                                       \
+    void getProgramPipelineInfoLog(ProgramPipelineID pipelinePacked, GLsizei bufSize,              \
+                                   GLsizei *length, GLchar *infoLog);                              \
+    void getProgramPipelineiv(ProgramPipelineID pipelinePacked, GLenum pname, GLint *params);      \
+    GLuint getProgramResourceIndex(ShaderProgramID programPacked, GLenum programInterface,         \
+                                   const GLchar *name);                                            \
+    GLint getProgramResourceLocation(ShaderProgramID programPacked, GLenum programInterface,       \
+                                     const GLchar *name);                                          \
+    void getProgramResourceName(ShaderProgramID programPacked, GLenum programInterface,            \
+                                GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name);     \
+    void getProgramResourceiv(ShaderProgramID programPacked, GLenum programInterface,              \
+                              GLuint index, GLsizei propCount, const GLenum *props, GLsizei count, \
+                              GLsizei *length, GLint *params);                                     \
+    void getTexLevelParameterfv(TextureTarget targetPacked, GLint level, GLenum pname,             \
+                                GLfloat *params);                                                  \
+    void getTexLevelParameteriv(TextureTarget targetPacked, GLint level, GLenum pname,             \
+                                GLint *params);                                                    \
+    GLboolean isProgramPipeline(ProgramPipelineID pipelinePacked) const;                           \
+    void memoryBarrier(GLbitfield barriers);                                                       \
+    void memoryBarrierByRegion(GLbitfield barriers);                                               \
+    void programUniform1f(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLfloat v0);                                                             \
+    void programUniform1fv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLfloat *value);                                   \
+    void programUniform1i(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLint v0);                                                               \
+    void programUniform1iv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLint *value);                                     \
+    void programUniform1ui(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLuint v0);                                                             \
+    void programUniform1uiv(ShaderProgramID programPacked, UniformLocation locationPacked,         \
+                            GLsizei count, const GLuint *value);                                   \
+    void programUniform2f(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLfloat v0, GLfloat v1);                                                 \
+    void programUniform2fv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLfloat *value);                                   \
+    void programUniform2i(ShaderProgramID programPacked, UniformLocation locationPacked, GLint v0, \
+                          GLint v1);                                                               \
+    void programUniform2iv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLint *value);                                     \
+    void programUniform2ui(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLuint v0, GLuint v1);                                                  \
+    void programUniform2uiv(ShaderProgramID programPacked, UniformLocation locationPacked,         \
+                            GLsizei count, const GLuint *value);                                   \
+    void programUniform3f(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLfloat v0, GLfloat v1, GLfloat v2);                                     \
+    void programUniform3fv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLfloat *value);                                   \
+    void programUniform3i(ShaderProgramID programPacked, UniformLocation locationPacked, GLint v0, \
+                          GLint v1, GLint v2);                                                     \
+    void programUniform3iv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLint *value);                                     \
+    void programUniform3ui(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLuint v0, GLuint v1, GLuint v2);                                       \
+    void programUniform3uiv(ShaderProgramID programPacked, UniformLocation locationPacked,         \
+                            GLsizei count, const GLuint *value);                                   \
+    void programUniform4f(ShaderProgramID programPacked, UniformLocation locationPacked,           \
+                          GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);                         \
+    void programUniform4fv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLfloat *value);                                   \
+    void programUniform4i(ShaderProgramID programPacked, UniformLocation locationPacked, GLint v0, \
+                          GLint v1, GLint v2, GLint v3);                                           \
+    void programUniform4iv(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLsizei count, const GLint *value);                                     \
+    void programUniform4ui(ShaderProgramID programPacked, UniformLocation locationPacked,          \
+                           GLuint v0, GLuint v1, GLuint v2, GLuint v3);                            \
+    void programUniform4uiv(ShaderProgramID programPacked, UniformLocation locationPacked,         \
+                            GLsizei count, const GLuint *value);                                   \
+    void programUniformMatrix2fv(ShaderProgramID programPacked, UniformLocation locationPacked,    \
+                                 GLsizei count, GLboolean transpose, const GLfloat *value);        \
+    void programUniformMatrix2x3fv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLfloat *value);      \
+    void programUniformMatrix2x4fv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLfloat *value);      \
+    void programUniformMatrix3fv(ShaderProgramID programPacked, UniformLocation locationPacked,    \
+                                 GLsizei count, GLboolean transpose, const GLfloat *value);        \
+    void programUniformMatrix3x2fv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLfloat *value);      \
+    void programUniformMatrix3x4fv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLfloat *value);      \
+    void programUniformMatrix4fv(ShaderProgramID programPacked, UniformLocation locationPacked,    \
+                                 GLsizei count, GLboolean transpose, const GLfloat *value);        \
+    void programUniformMatrix4x2fv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLfloat *value);      \
+    void programUniformMatrix4x3fv(ShaderProgramID programPacked, UniformLocation locationPacked,  \
+                                   GLsizei count, GLboolean transpose, const GLfloat *value);      \
+    void sampleMaski(GLuint maskNumber, GLbitfield mask);                                          \
+    void texStorage2DMultisample(TextureType targetPacked, GLsizei samples, GLenum internalformat, \
+                                 GLsizei width, GLsizei height, GLboolean fixedsamplelocations);   \
+    void useProgramStages(ProgramPipelineID pipelinePacked, GLbitfield stages,                     \
+                          ShaderProgramID programPacked);                                          \
+    void validateProgramPipeline(ProgramPipelineID pipelinePacked);                                \
+    void vertexAttribBinding(GLuint attribindex, GLuint bindingindex);                             \
+    void vertexAttribFormat(GLuint attribindex, GLint size, VertexAttribType typePacked,           \
+                            GLboolean normalized, GLuint relativeoffset);                          \
+    void vertexAttribIFormat(GLuint attribindex, GLint size, VertexAttribType typePacked,          \
+                             GLuint relativeoffset);                                               \
+    void vertexBindingDivisor(GLuint bindingindex, GLuint divisor);
+
+#endif  // ANGLE_CONTEXT_API_3_1_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gles_3_2_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gles_3_2_autogen.h
new file mode 100644
index 0000000000..520b86c130
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gles_3_2_autogen.h
@@ -0,0 +1,83 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gles_3_2_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GLES_3_2_AUTOGEN_H_
+#define ANGLE_CONTEXT_GLES_3_2_AUTOGEN_H_
+
+#define ANGLE_GLES_3_2_CONTEXT_API                                                                 \
+    void blendBarrier();                                                                           \
+    void blendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeAlpha);                     \
+    void blendEquationi(GLuint buf, GLenum mode);                                                  \
+    void blendFuncSeparatei(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha,             \
+                            GLenum dstAlpha);                                                      \
+    void blendFunci(GLuint buf, GLenum src, GLenum dst);                                           \
+    void colorMaski(GLuint index, GLboolean r, GLboolean g, GLboolean b, GLboolean a);             \
+    void copyImageSubData(GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX,            \
+                          GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget,                \
+                          GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth,    \
+                          GLsizei srcHeight, GLsizei srcDepth);                                    \
+    void debugMessageCallback(GLDEBUGPROC callback, const void *userParam);                        \
+    void debugMessageControl(GLenum source, GLenum type, GLenum severity, GLsizei count,           \
+                             const GLuint *ids, GLboolean enabled);                                \
+    void debugMessageInsert(GLenum source, GLenum type, GLuint id, GLenum severity,                \
+                            GLsizei length, const GLchar *buf);                                    \
+    void disablei(GLenum target, GLuint index);                                                    \
+    void drawElementsBaseVertex(PrimitiveMode modePacked, GLsizei count,                           \
+                                DrawElementsType typePacked, const void *indices,                  \
+                                GLint basevertex);                                                 \
+    void drawElementsInstancedBaseVertex(PrimitiveMode modePacked, GLsizei count,                  \
+                                         DrawElementsType typePacked, const void *indices,         \
+                                         GLsizei instancecount, GLint basevertex);                 \
+    void drawRangeElementsBaseVertex(PrimitiveMode modePacked, GLuint start, GLuint end,           \
+                                     GLsizei count, DrawElementsType typePacked,                   \
+                                     const void *indices, GLint basevertex);                       \
+    void enablei(GLenum target, GLuint index);                                                     \
+    void framebufferTexture(GLenum target, GLenum attachment, TextureID texturePacked,             \
+                            GLint level);                                                          \
+    GLuint getDebugMessageLog(GLuint count, GLsizei bufSize, GLenum *sources, GLenum *types,       \
+                              GLuint *ids, GLenum *severities, GLsizei *lengths,                   \
+                              GLchar *messageLog);                                                 \
+    GLenum getGraphicsResetStatus();                                                               \
+    void getObjectLabel(GLenum identifier, GLuint name, GLsizei bufSize, GLsizei *length,          \
+                        GLchar *label);                                                            \
+    void getObjectPtrLabel(const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label);      \
+    void getPointerv(GLenum pname, void **params);                                                 \
+    void getSamplerParameterIiv(SamplerID samplerPacked, GLenum pname, GLint *params);             \
+    void getSamplerParameterIuiv(SamplerID samplerPacked, GLenum pname, GLuint *params);           \
+    void getTexParameterIiv(TextureType targetPacked, GLenum pname, GLint *params);                \
+    void getTexParameterIuiv(TextureType targetPacked, GLenum pname, GLuint *params);              \
+    void getnUniformfv(ShaderProgramID programPacked, UniformLocation locationPacked,              \
+                       GLsizei bufSize, GLfloat *params);                                          \
+    void getnUniformiv(ShaderProgramID programPacked, UniformLocation locationPacked,              \
+                       GLsizei bufSize, GLint *params);                                            \
+    void getnUniformuiv(ShaderProgramID programPacked, UniformLocation locationPacked,             \
+                        GLsizei bufSize, GLuint *params);                                          \
+    GLboolean isEnabledi(GLenum target, GLuint index) const;                                       \
+    void minSampleShading(GLfloat value);                                                          \
+    void objectLabel(GLenum identifier, GLuint name, GLsizei length, const GLchar *label);         \
+    void objectPtrLabel(const void *ptr, GLsizei length, const GLchar *label);                     \
+    void patchParameteri(GLenum pname, GLint value);                                               \
+    void popDebugGroup();                                                                          \
+    void primitiveBoundingBox(GLfloat minX, GLfloat minY, GLfloat minZ, GLfloat minW,              \
+                              GLfloat maxX, GLfloat maxY, GLfloat maxZ, GLfloat maxW);             \
+    void pushDebugGroup(GLenum source, GLuint id, GLsizei length, const GLchar *message);          \
+    void readnPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,  \
+                     GLsizei bufSize, void *data);                                                 \
+    void samplerParameterIiv(SamplerID samplerPacked, GLenum pname, const GLint *param);           \
+    void samplerParameterIuiv(SamplerID samplerPacked, GLenum pname, const GLuint *param);         \
+    void texBuffer(TextureType targetPacked, GLenum internalformat, BufferID bufferPacked);        \
+    void texBufferRange(TextureType targetPacked, GLenum internalformat, BufferID bufferPacked,    \
+                        GLintptr offset, GLsizeiptr size);                                         \
+    void texParameterIiv(TextureType targetPacked, GLenum pname, const GLint *params);             \
+    void texParameterIuiv(TextureType targetPacked, GLenum pname, const GLuint *params);           \
+    void texStorage3DMultisample(TextureType targetPacked, GLsizei samples, GLenum internalformat, \
+                                 GLsizei width, GLsizei height, GLsizei depth,                     \
+                                 GLboolean fixedsamplelocations);
+
+#endif  // ANGLE_CONTEXT_API_3_2_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Context_gles_ext_autogen.h b/gfx/angle/checkout/src/libANGLE/Context_gles_ext_autogen.h
new file mode 100644
index 0000000000..286a5061e2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Context_gles_ext_autogen.h
@@ -0,0 +1,616 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context_gles_ext_autogen.h: Creates a macro for interfaces in Context.
+
+#ifndef ANGLE_CONTEXT_GLES_EXT_AUTOGEN_H_
+#define ANGLE_CONTEXT_GLES_EXT_AUTOGEN_H_
+
+#define ANGLE_GLES_EXT_CONTEXT_API                                                                 \
+                                                                                                   \
+    /* GLES1 Extensions */                                                                         \
+                                                                                                   \
+    /* GL_OES_draw_texture */                                                                      \
+    void drawTexf(GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height);                 \
+    void drawTexfv(const GLfloat *coords);                                                         \
+    void drawTexi(GLint x, GLint y, GLint z, GLint width, GLint height);                           \
+    void drawTexiv(const GLint *coords);                                                           \
+    void drawTexs(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height);                 \
+    void drawTexsv(const GLshort *coords);                                                         \
+    void drawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height);                 \
+    void drawTexxv(const GLfixed *coords);                                                         \
+    /* GL_OES_framebuffer_object */                                                                \
+    /* GL_OES_matrix_palette */                                                                    \
+    void currentPaletteMatrix(GLuint matrixpaletteindex);                                          \
+    void loadPaletteFromModelViewMatrix();                                                         \
+    void matrixIndexPointer(GLint size, GLenum type, GLsizei stride, const void *pointer);         \
+    void weightPointer(GLint size, GLenum type, GLsizei stride, const void *pointer);              \
+    /* GL_OES_point_size_array */                                                                  \
+    void pointSizePointer(VertexAttribType typePacked, GLsizei stride, const void *pointer);       \
+    /* GL_OES_point_sprite */                                                                      \
+    /* GL_OES_query_matrix */                                                                      \
+    GLbitfield queryMatrixx(GLfixed *mantissa, GLint *exponent);                                   \
+    /* GL_OES_texture_cube_map */                                                                  \
+    void getTexGenfv(GLenum coord, GLenum pname, GLfloat *params);                                 \
+    void getTexGeniv(GLenum coord, GLenum pname, GLint *params);                                   \
+    void getTexGenxv(GLenum coord, GLenum pname, GLfixed *params);                                 \
+    void texGenf(GLenum coord, GLenum pname, GLfloat param);                                       \
+    void texGenfv(GLenum coord, GLenum pname, const GLfloat *params);                              \
+    void texGeni(GLenum coord, GLenum pname, GLint param);                                         \
+    void texGeniv(GLenum coord, GLenum pname, const GLint *params);                                \
+    void texGenx(GLenum coord, GLenum pname, GLfixed param);                                       \
+    void texGenxv(GLenum coord, GLenum pname, const GLfixed *params);                              \
+                                                                                                   \
+    /* GLES2+ Extensions */                                                                        \
+                                                                                                   \
+    /* GL_AMD_performance_monitor */                                                               \
+    void beginPerfMonitor(GLuint monitor);                                                         \
+    void deletePerfMonitors(GLsizei n, GLuint *monitors);                                          \
+    void endPerfMonitor(GLuint monitor);                                                           \
+    void genPerfMonitors(GLsizei n, GLuint *monitors);                                             \
+    void getPerfMonitorCounterData(GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data,   \
+                                   GLint *bytesWritten);                                           \
+    void getPerfMonitorCounterInfo(GLuint group, GLuint counter, GLenum pname, void *data);        \
+    void getPerfMonitorCounterString(GLuint group, GLuint counter, GLsizei bufSize,                \
+                                     GLsizei *length, GLchar *counterString);                      \
+    void getPerfMonitorCounters(GLuint group, GLint *numCounters, GLint *maxActiveCounters,        \
+                                GLsizei counterSize, GLuint *counters);                            \
+    void getPerfMonitorGroupString(GLuint group, GLsizei bufSize, GLsizei *length,                 \
+                                   GLchar *groupString);                                           \
+    void getPerfMonitorGroups(GLint *numGroups, GLsizei groupsSize, GLuint *groups);               \
+    void selectPerfMonitorCounters(GLuint monitor, GLboolean enable, GLuint group,                 \
+                                   GLint numCounters, GLuint *counterList);                        \
+    /* GL_ANDROID_extension_pack_es31a */                                                          \
+    /* GL_ANGLE_depth_texture */                                                                   \
+    /* GL_ANGLE_framebuffer_blit */                                                                \
+    /* GL_ANGLE_instanced_arrays */                                                                \
+    /* GL_ANGLE_pack_reverse_row_order */                                                          \
+    /* GL_ANGLE_texture_usage */                                                                   \
+    /* GL_ANGLE_translated_shader_source */                                                        \
+    void getTranslatedShaderSource(ShaderProgramID shaderPacked, GLsizei bufSize, GLsizei *length, \
+                                   GLchar *source);                                                \
+    /* GL_APPLE_clip_distance */                                                                   \
+    /* GL_ARB_sync */                                                                              \
+    /* GL_EXT_EGL_image_array */                                                                   \
+    /* GL_EXT_EGL_image_external_wrap_modes */                                                     \
+    /* GL_EXT_EGL_image_storage */                                                                 \
+    void eGLImageTargetTexStorage(GLenum target, GLeglImageOES image, const GLint *attrib_list);   \
+    void eGLImageTargetTextureStorage(GLuint texture, GLeglImageOES image,                         \
+                                      const GLint *attrib_list);                                   \
+    /* GL_EXT_YUV_target */                                                                        \
+    /* GL_EXT_base_instance */                                                                     \
+    void drawArraysInstancedBaseInstance(PrimitiveMode modePacked, GLint first, GLsizei count,     \
+                                         GLsizei instancecount, GLuint baseinstance);              \
+    void drawElementsInstancedBaseInstance(PrimitiveMode modePacked, GLsizei count,                \
+                                           DrawElementsType typePacked, const void *indices,       \
+                                           GLsizei instancecount, GLuint baseinstance);            \
+    void drawElementsInstancedBaseVertexBaseInstance(                                              \
+        PrimitiveMode modePacked, GLsizei count, DrawElementsType typePacked, const void *indices, \
+        GLsizei instancecount, GLint basevertex, GLuint baseinstance);                             \
+    /* GL_EXT_blend_func_extended */                                                               \
+    void bindFragDataLocation(ShaderProgramID programPacked, GLuint color, const GLchar *name);    \
+    void bindFragDataLocationIndexed(ShaderProgramID programPacked, GLuint colorNumber,            \
+                                     GLuint index, const GLchar *name);                            \
+    GLint getFragDataIndex(ShaderProgramID programPacked, const GLchar *name);                     \
+    GLint getProgramResourceLocationIndex(ShaderProgramID programPacked, GLenum programInterface,  \
+                                          const GLchar *name);                                     \
+    /* GL_EXT_blend_minmax */                                                                      \
+    /* GL_EXT_buffer_storage */                                                                    \
+    void bufferStorage(BufferBinding targetPacked, GLsizeiptr size, const void *data,              \
+                       GLbitfield flags);                                                          \
+    /* GL_EXT_clip_control */                                                                      \
+    void clipControl(GLenum origin, GLenum depth);                                                 \
+    /* GL_EXT_clip_cull_distance */                                                                \
+    /* GL_EXT_color_buffer_float */                                                                \
+    /* GL_EXT_color_buffer_half_float */                                                           \
+    /* GL_EXT_compressed_ETC1_RGB8_sub_texture */                                                  \
+    /* GL_EXT_copy_image */                                                                        \
+    /* GL_EXT_debug_label */                                                                       \
+    void labelObject(GLenum type, GLuint object, GLsizei length, const GLchar *label);             \
+    /* GL_EXT_debug_marker */                                                                      \
+    void insertEventMarker(GLsizei length, const GLchar *marker);                                  \
+    void popGroupMarker();                                                                         \
+    void pushGroupMarker(GLsizei length, const GLchar *marker);                                    \
+    /* GL_EXT_discard_framebuffer */                                                               \
+    void discardFramebuffer(GLenum target, GLsizei numAttachments, const GLenum *attachments);     \
+    /* GL_EXT_disjoint_timer_query */                                                              \
+    void getQueryObjecti64v(QueryID idPacked, GLenum pname, GLint64 *params);                      \
+    void getQueryObjectiv(QueryID idPacked, GLenum pname, GLint *params);                          \
+    void getQueryObjectui64v(QueryID idPacked, GLenum pname, GLuint64 *params);                    \
+    void queryCounter(QueryID idPacked, QueryType targetPacked);                                   \
+    /* GL_EXT_draw_buffers */                                                                      \
+    /* GL_EXT_draw_buffers_indexed */                                                              \
+    /* GL_EXT_draw_elements_base_vertex */                                                         \
+    void multiDrawElementsBaseVertex(PrimitiveMode modePacked, const GLsizei *count,               \
+                                     DrawElementsType typePacked, const void *const *indices,      \
+                                     GLsizei drawcount, const GLint *basevertex);                  \
+    /* GL_EXT_external_buffer */                                                                   \
+    void bufferStorageExternal(BufferBinding targetPacked, GLintptr offset, GLsizeiptr size,       \
+                               GLeglClientBufferEXT clientBuffer, GLbitfield flags);               \
+    void namedBufferStorageExternal(GLuint buffer, GLintptr offset, GLsizeiptr size,               \
+                                    GLeglClientBufferEXT clientBuffer, GLbitfield flags);          \
+    /* GL_EXT_float_blend */                                                                       \
+    /* GL_EXT_frag_depth */                                                                        \
+    /* GL_EXT_geometry_shader */                                                                   \
+    /* GL_EXT_gpu_shader5 */                                                                       \
+    /* GL_EXT_instanced_arrays */                                                                  \
+    /* GL_EXT_map_buffer_range */                                                                  \
+    /* GL_EXT_memory_object */                                                                     \
+    void bufferStorageMem(TextureType targetPacked, GLsizeiptr size, MemoryObjectID memoryPacked,  \
+                          GLuint64 offset);                                                        \
+    void createMemoryObjects(GLsizei n, MemoryObjectID *memoryObjectsPacked);                      \
+    void deleteMemoryObjects(GLsizei n, const MemoryObjectID *memoryObjectsPacked);                \
+    void getMemoryObjectParameteriv(MemoryObjectID memoryObjectPacked, GLenum pname,               \
+                                    GLint *params);                                                \
+    void getUnsignedBytev(GLenum pname, GLubyte *data);                                            \
+    void getUnsignedBytei_v(GLenum target, GLuint index, GLubyte *data);                           \
+    GLboolean isMemoryObject(MemoryObjectID memoryObjectPacked) const;                             \
+    void memoryObjectParameteriv(MemoryObjectID memoryObjectPacked, GLenum pname,                  \
+                                 const GLint *params);                                             \
+    void texStorageMem2D(TextureType targetPacked, GLsizei levels, GLenum internalFormat,          \
+                         GLsizei width, GLsizei height, MemoryObjectID memoryPacked,               \
+                         GLuint64 offset);                                                         \
+    void texStorageMem2DMultisample(TextureType targetPacked, GLsizei samples,                     \
+                                    GLenum internalFormat, GLsizei width, GLsizei height,          \
+                                    GLboolean fixedSampleLocations, MemoryObjectID memoryPacked,   \
+                                    GLuint64 offset);                                              \
+    void texStorageMem3D(TextureType targetPacked, GLsizei levels, GLenum internalFormat,          \
+                         GLsizei width, GLsizei height, GLsizei depth,                             \
+                         MemoryObjectID memoryPacked, GLuint64 offset);                            \
+    void texStorageMem3DMultisample(TextureType targetPacked, GLsizei samples,                     \
+                                    GLenum internalFormat, GLsizei width, GLsizei height,          \
+                                    GLsizei depth, GLboolean fixedSampleLocations,                 \
+                                    MemoryObjectID memoryPacked, GLuint64 offset);                 \
+    /* GL_EXT_memory_object_fd */                                                                  \
+    void importMemoryFd(MemoryObjectID memoryPacked, GLuint64 size, HandleType handleTypePacked,   \
+                        GLint fd);                                                                 \
+    /* GL_EXT_multi_draw_indirect */                                                               \
+    void multiDrawArraysIndirect(PrimitiveMode modePacked, const void *indirect,                   \
+                                 GLsizei drawcount, GLsizei stride);                               \
+    void multiDrawElementsIndirect(PrimitiveMode modePacked, DrawElementsType typePacked,          \
+                                   const void *indirect, GLsizei drawcount, GLsizei stride);       \
+    /* GL_EXT_multisample_compatibility */                                                         \
+    /* GL_EXT_multisampled_render_to_texture */                                                    \
+    void framebufferTexture2DMultisample(GLenum target, GLenum attachment,                         \
+                                         TextureTarget textargetPacked, TextureID texturePacked,   \
+                                         GLint level, GLsizei samples);                            \
+    void renderbufferStorageMultisampleEXT(GLenum target, GLsizei samples, GLenum internalformat,  \
+                                           GLsizei width, GLsizei height);                         \
+    /* GL_EXT_multisampled_render_to_texture2 */                                                   \
+    /* GL_EXT_occlusion_query_boolean */                                                           \
+    /* GL_EXT_primitive_bounding_box */                                                            \
+    /* GL_EXT_protected_textures */                                                                \
+    /* GL_EXT_pvrtc_sRGB */                                                                        \
+    /* GL_EXT_read_format_bgra */                                                                  \
+    /* GL_EXT_robustness */                                                                        \
+    /* GL_EXT_sRGB */                                                                              \
+    /* GL_EXT_sRGB_write_control */                                                                \
+    /* GL_EXT_semaphore */                                                                         \
+    void deleteSemaphores(GLsizei n, const SemaphoreID *semaphoresPacked);                         \
+    void genSemaphores(GLsizei n, SemaphoreID *semaphoresPacked);                                  \
+    void getSemaphoreParameterui64v(SemaphoreID semaphorePacked, GLenum pname, GLuint64 *params);  \
+    GLboolean isSemaphore(SemaphoreID semaphorePacked) const;                                      \
+    void semaphoreParameterui64v(SemaphoreID semaphorePacked, GLenum pname,                        \
+                                 const GLuint64 *params);                                          \
+    void signalSemaphore(SemaphoreID semaphorePacked, GLuint numBufferBarriers,                    \
+                         const BufferID *buffersPacked, GLuint numTextureBarriers,                 \
+                         const TextureID *texturesPacked, const GLenum *dstLayouts);               \
+    void waitSemaphore(SemaphoreID semaphorePacked, GLuint numBufferBarriers,                      \
+                       const BufferID *buffersPacked, GLuint numTextureBarriers,                   \
+                       const TextureID *texturesPacked, const GLenum *srcLayouts);                 \
+    /* GL_EXT_semaphore_fd */                                                                      \
+    void importSemaphoreFd(SemaphoreID semaphorePacked, HandleType handleTypePacked, GLint fd);    \
+    /* GL_EXT_separate_shader_objects */                                                           \
+    /* GL_EXT_shader_framebuffer_fetch */                                                          \
+    /* GL_EXT_shader_framebuffer_fetch_non_coherent */                                             \
+    void framebufferFetchBarrier();                                                                \
+    /* GL_EXT_shader_io_blocks */                                                                  \
+    /* GL_EXT_shader_non_constant_global_initializers */                                           \
+    /* GL_EXT_shader_texture_lod */                                                                \
+    /* GL_EXT_shadow_samplers */                                                                   \
+    /* GL_EXT_tessellation_shader */                                                               \
+    /* GL_EXT_texture_border_clamp */                                                              \
+    /* GL_EXT_texture_buffer */                                                                    \
+    /* GL_EXT_texture_compression_bptc */                                                          \
+    /* GL_EXT_texture_compression_dxt1 */                                                          \
+    /* GL_EXT_texture_compression_rgtc */                                                          \
+    /* GL_EXT_texture_compression_s3tc */                                                          \
+    /* GL_EXT_texture_compression_s3tc_srgb */                                                     \
+    /* GL_EXT_texture_cube_map_array */                                                            \
+    /* GL_EXT_texture_filter_anisotropic */                                                        \
+    /* GL_EXT_texture_format_BGRA8888 */                                                           \
+    /* GL_EXT_texture_format_sRGB_override */                                                      \
+    /* GL_EXT_texture_norm16 */                                                                    \
+    /* GL_EXT_texture_rg */                                                                        \
+    /* GL_EXT_texture_sRGB_R8 */                                                                   \
+    /* GL_EXT_texture_sRGB_RG8 */                                                                  \
+    /* GL_EXT_texture_sRGB_decode */                                                               \
+    /* GL_EXT_texture_storage */                                                                   \
+    void texStorage1D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width);        \
+    /* GL_EXT_texture_type_2_10_10_10_REV */                                                       \
+    /* GL_EXT_unpack_subimage */                                                                   \
+    /* GL_IMG_texture_compression_pvrtc */                                                         \
+    /* GL_IMG_texture_compression_pvrtc2 */                                                        \
+    /* GL_KHR_blend_equation_advanced */                                                           \
+    /* GL_KHR_debug */                                                                             \
+    /* GL_KHR_no_error */                                                                          \
+    /* GL_KHR_parallel_shader_compile */                                                           \
+    void maxShaderCompilerThreads(GLuint count);                                                   \
+    /* GL_KHR_robust_buffer_access_behavior */                                                     \
+    /* GL_KHR_texture_compression_astc_hdr */                                                      \
+    /* GL_KHR_texture_compression_astc_ldr */                                                      \
+    /* GL_KHR_texture_compression_astc_sliced_3d */                                                \
+    /* GL_MESA_framebuffer_flip_y */                                                               \
+    void framebufferParameteriMESA(GLenum target, GLenum pname, GLint param);                      \
+    void getFramebufferParameterivMESA(GLenum target, GLenum pname, GLint *params);                \
+    /* GL_NV_EGL_stream_consumer_external */                                                       \
+    /* GL_NV_depth_buffer_float2 */                                                                \
+    /* GL_NV_fence */                                                                              \
+    void deleteFencesNV(GLsizei n, const FenceNVID *fencesPacked);                                 \
+    void finishFenceNV(FenceNVID fencePacked);                                                     \
+    void genFencesNV(GLsizei n, FenceNVID *fencesPacked);                                          \
+    void getFenceivNV(FenceNVID fencePacked, GLenum pname, GLint *params);                         \
+    GLboolean isFenceNV(FenceNVID fencePacked) const;                                              \
+    void setFenceNV(FenceNVID fencePacked, GLenum condition);                                      \
+    GLboolean testFenceNV(FenceNVID fencePacked);                                                  \
+    /* GL_NV_framebuffer_blit */                                                                   \
+    void blitFramebufferNV(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0,        \
+                           GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); \
+    /* GL_NV_pack_subimage */                                                                      \
+    /* GL_NV_pixel_buffer_object */                                                                \
+    /* GL_NV_read_depth */                                                                         \
+    /* GL_NV_read_depth_stencil */                                                                 \
+    /* GL_NV_read_stencil */                                                                       \
+    /* GL_NV_robustness_video_memory_purge */                                                      \
+    /* GL_NV_shader_noperspective_interpolation */                                                 \
+    /* GL_OES_EGL_image */                                                                         \
+    void eGLImageTargetRenderbufferStorage(GLenum target, GLeglImageOES image);                    \
+    void eGLImageTargetTexture2D(TextureType targetPacked, GLeglImageOES image);                   \
+    /* GL_OES_EGL_image_external */                                                                \
+    /* GL_OES_EGL_image_external_essl3 */                                                          \
+    /* GL_OES_EGL_sync */                                                                          \
+    /* GL_OES_compressed_EAC_R11_signed_texture */                                                 \
+    /* GL_OES_compressed_EAC_R11_unsigned_texture */                                               \
+    /* GL_OES_compressed_EAC_RG11_signed_texture */                                                \
+    /* GL_OES_compressed_EAC_RG11_unsigned_texture */                                              \
+    /* GL_OES_compressed_ETC1_RGB8_texture */                                                      \
+    /* GL_OES_compressed_ETC2_RGB8_texture */                                                      \
+    /* GL_OES_compressed_ETC2_RGBA8_texture */                                                     \
+    /* GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture */                                       \
+    /* GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture */                                 \
+    /* GL_OES_compressed_ETC2_sRGB8_alpha8_texture */                                              \
+    /* GL_OES_compressed_ETC2_sRGB8_texture */                                                     \
+    /* GL_OES_compressed_paletted_texture */                                                       \
+    /* GL_OES_copy_image */                                                                        \
+    /* GL_OES_depth24 */                                                                           \
+    /* GL_OES_depth32 */                                                                           \
+    /* GL_OES_depth_texture */                                                                     \
+    /* GL_OES_depth_texture_cube_map */                                                            \
+    /* GL_OES_draw_buffers_indexed */                                                              \
+    /* GL_OES_draw_elements_base_vertex */                                                         \
+    /* GL_OES_element_index_uint */                                                                \
+    /* GL_OES_fbo_render_mipmap */                                                                 \
+    /* GL_OES_geometry_shader */                                                                   \
+    /* GL_OES_get_program_binary */                                                                \
+    /* GL_OES_mapbuffer */                                                                         \
+    void *mapBuffer(BufferBinding targetPacked, GLenum access);                                    \
+    /* GL_OES_packed_depth_stencil */                                                              \
+    /* GL_OES_primitive_bounding_box */                                                            \
+    /* GL_OES_rgb8_rgba8 */                                                                        \
+    /* GL_OES_sample_shading */                                                                    \
+    /* GL_OES_sample_variables */                                                                  \
+    /* GL_OES_shader_image_atomic */                                                               \
+    /* GL_OES_shader_io_blocks */                                                                  \
+    /* GL_OES_shader_multisample_interpolation */                                                  \
+    /* GL_OES_standard_derivatives */                                                              \
+    /* GL_OES_surfaceless_context */                                                               \
+    /* GL_OES_texture_3D */                                                                        \
+    void framebufferTexture3D(GLenum target, GLenum attachment, TextureTarget textargetPacked,     \
+                              TextureID texturePacked, GLint level, GLint zoffset);                \
+    /* GL_OES_texture_border_clamp */                                                              \
+    /* GL_OES_texture_buffer */                                                                    \
+    /* GL_OES_texture_compression_astc */                                                          \
+    /* GL_OES_texture_cube_map_array */                                                            \
+    /* GL_OES_texture_float */                                                                     \
+    /* GL_OES_texture_float_linear */                                                              \
+    /* GL_OES_texture_half_float */                                                                \
+    /* GL_OES_texture_half_float_linear */                                                         \
+    /* GL_OES_texture_npot */                                                                      \
+    /* GL_OES_texture_stencil8 */                                                                  \
+    /* GL_OES_texture_storage_multisample_2d_array */                                              \
+    /* GL_OES_vertex_array_object */                                                               \
+    /* GL_OES_vertex_half_float */                                                                 \
+    /* GL_OES_vertex_type_10_10_10_2 */                                                            \
+    /* GL_OVR_multiview */                                                                         \
+    void framebufferTextureMultiview(GLenum target, GLenum attachment, TextureID texturePacked,    \
+                                     GLint level, GLint baseViewIndex, GLsizei numViews);          \
+    /* GL_OVR_multiview2 */                                                                        \
+    /* GL_QCOM_shading_rate */                                                                     \
+    void shadingRateQCOM(GLenum rate);                                                             \
+    /* GL_WEBGL_video_texture */                                                                   \
+                                                                                                   \
+    /* ANGLE Extensions */                                                                         \
+                                                                                                   \
+    /* GL_ANGLE_base_vertex_base_instance */                                                       \
+    void drawArraysInstancedBaseInstanceANGLE(PrimitiveMode modePacked, GLint first,               \
+                                              GLsizei count, GLsizei instanceCount,                \
+                                              GLuint baseInstance);                                \
+    void drawElementsInstancedBaseVertexBaseInstanceANGLE(                                         \
+        PrimitiveMode modePacked, GLsizei count, DrawElementsType typePacked,                      \
+        const GLvoid *indices, GLsizei instanceCount, GLint baseVertex, GLuint baseInstance);      \
+    void multiDrawArraysInstancedBaseInstance(                                                     \
+        PrimitiveMode modePacked, const GLint *firsts, const GLsizei *counts,                      \
+        const GLsizei *instanceCounts, const GLuint *baseInstances, GLsizei drawcount);            \
+    void multiDrawElementsInstancedBaseVertexBaseInstance(                                         \
+        PrimitiveMode modePacked, const GLsizei *counts, DrawElementsType typePacked,              \
+        const GLvoid *const *indices, const GLsizei *instanceCounts, const GLint *baseVertices,    \
+        const GLuint *baseInstances, GLsizei drawcount);                                           \
+    /* GL_ANGLE_base_vertex_base_instance_shader_builtin */                                        \
+    /* GL_ANGLE_client_arrays */                                                                   \
+    /* GL_ANGLE_compressed_texture_etc */                                                          \
+    /* GL_ANGLE_copy_texture_3d */                                                                 \
+    void copyTexture3D(TextureID sourceIdPacked, GLint sourceLevel,                                \
+                       TextureTarget destTargetPacked, TextureID destIdPacked, GLint destLevel,    \
+                       GLint internalFormat, GLenum destType, GLboolean unpackFlipY,               \
+                       GLboolean unpackPremultiplyAlpha, GLboolean unpackUnmultiplyAlpha);         \
+    void copySubTexture3D(TextureID sourceIdPacked, GLint sourceLevel,                             \
+                          TextureTarget destTargetPacked, TextureID destIdPacked, GLint destLevel, \
+                          GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLint z,  \
+                          GLint width, GLint height, GLint depth, GLboolean unpackFlipY,           \
+                          GLboolean unpackPremultiplyAlpha, GLboolean unpackUnmultiplyAlpha);      \
+    /* GL_ANGLE_framebuffer_multisample */                                                         \
+    /* GL_ANGLE_get_image */                                                                       \
+    void getTexImage(TextureTarget targetPacked, GLint level, GLenum format, GLenum type,          \
+                     void *pixels);                                                                \
+    void getCompressedTexImage(TextureTarget targetPacked, GLint level, void *pixels);             \
+    void getRenderbufferImage(GLenum target, GLenum format, GLenum type, void *pixels);            \
+    /* GL_ANGLE_get_serialized_context_string */                                                   \
+    /* GL_ANGLE_get_tex_level_parameter */                                                         \
+    /* GL_ANGLE_logic_op */                                                                        \
+    void logicOpANGLE(LogicalOperation opcodePacked);                                              \
+    /* GL_ANGLE_lossy_etc_decode */                                                                \
+    /* GL_ANGLE_memory_object_flags */                                                             \
+    void texStorageMemFlags2D(TextureType targetPacked, GLsizei levels, GLenum internalFormat,     \
+                              GLsizei width, GLsizei height, MemoryObjectID memoryPacked,          \
+                              GLuint64 offset, GLbitfield createFlags, GLbitfield usageFlags,      \
+                              const void *imageCreateInfoPNext);                                   \
+    void texStorageMemFlags2DMultisample(                                                          \
+        TextureType targetPacked, GLsizei samples, GLenum internalFormat, GLsizei width,           \
+        GLsizei height, GLboolean fixedSampleLocations, MemoryObjectID memoryPacked,               \
+        GLuint64 offset, GLbitfield createFlags, GLbitfield usageFlags,                            \
+        const void *imageCreateInfoPNext);                                                         \
+    void texStorageMemFlags3D(                                                                     \
+        TextureType targetPacked, GLsizei levels, GLenum internalFormat, GLsizei width,            \
+        GLsizei height, GLsizei depth, MemoryObjectID memoryPacked, GLuint64 offset,               \
+        GLbitfield createFlags, GLbitfield usageFlags, const void *imageCreateInfoPNext);          \
+    void texStorageMemFlags3DMultisample(                                                          \
+        TextureType targetPacked, GLsizei samples, GLenum internalFormat, GLsizei width,           \
+        GLsizei height, GLsizei depth, GLboolean fixedSampleLocations,                             \
+        MemoryObjectID memoryPacked, GLuint64 offset, GLbitfield createFlags,                      \
+        GLbitfield usageFlags, const void *imageCreateInfoPNext);                                  \
+    /* GL_ANGLE_memory_object_fuchsia */                                                           \
+    void importMemoryZirconHandle(MemoryObjectID memoryPacked, GLuint64 size,                      \
+                                  HandleType handleTypePacked, GLuint handle);                     \
+    /* GL_ANGLE_memory_size */                                                                     \
+    /* GL_ANGLE_multi_draw */                                                                      \
+    void multiDrawArrays(PrimitiveMode modePacked, const GLint *firsts, const GLsizei *counts,     \
+                         GLsizei drawcount);                                                       \
+    void multiDrawArraysInstanced(PrimitiveMode modePacked, const GLint *firsts,                   \
+                                  const GLsizei *counts, const GLsizei *instanceCounts,            \
+                                  GLsizei drawcount);                                              \
+    void multiDrawElements(PrimitiveMode modePacked, const GLsizei *counts,                        \
+                           DrawElementsType typePacked, const GLvoid *const *indices,              \
+                           GLsizei drawcount);                                                     \
+    void multiDrawElementsInstanced(PrimitiveMode modePacked, const GLsizei *counts,               \
+                                    DrawElementsType typePacked, const GLvoid *const *indices,     \
+                                    const GLsizei *instanceCounts, GLsizei drawcount);             \
+    /* GL_ANGLE_multiview_multisample */                                                           \
+    /* GL_ANGLE_program_binary */                                                                  \
+    /* GL_ANGLE_program_cache_control */                                                           \
+    /* GL_ANGLE_provoking_vertex */                                                                \
+    void provokingVertex(ProvokingVertexConvention modePacked);                                    \
+    /* GL_ANGLE_read_only_depth_stencil_feedback_loops */                                          \
+    /* GL_ANGLE_relaxed_vertex_attribute_type */                                                   \
+    /* GL_ANGLE_request_extension */                                                               \
+    void requestExtension(const GLchar *name);                                                     \
+    void disableExtension(const GLchar *name);                                                     \
+    /* GL_ANGLE_rgbx_internal_format */                                                            \
+    /* GL_ANGLE_robust_client_memory */                                                            \
+    void getBooleanvRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLboolean *params);     \
+    void getBufferParameterivRobust(BufferBinding targetPacked, GLenum pname, GLsizei bufSize,     \
+                                    GLsizei *length, GLint *params);                               \
+    void getFloatvRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLfloat *params);         \
+    void getFramebufferAttachmentParameterivRobust(GLenum target, GLenum attachment, GLenum pname, \
+                                                   GLsizei bufSize, GLsizei *length,               \
+                                                   GLint *params);                                 \
+    void getIntegervRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLint *data);           \
+    void getProgramivRobust(ShaderProgramID programPacked, GLenum pname, GLsizei bufSize,          \
+                            GLsizei *length, GLint *params);                                       \
+    void getRenderbufferParameterivRobust(GLenum target, GLenum pname, GLsizei bufSize,            \
+                                          GLsizei *length, GLint *params);                         \
+    void getShaderivRobust(ShaderProgramID shaderPacked, GLenum pname, GLsizei bufSize,            \
+                           GLsizei *length, GLint *params);                                        \
+    void getTexParameterfvRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,          \
+                                 GLsizei *length, GLfloat *params);                                \
+    void getTexParameterivRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,          \
+                                 GLsizei *length, GLint *params);                                  \
+    void getUniformfvRobust(ShaderProgramID programPacked, UniformLocation locationPacked,         \
+                            GLsizei bufSize, GLsizei *length, GLfloat *params);                    \
+    void getUniformivRobust(ShaderProgramID programPacked, UniformLocation locationPacked,         \
+                            GLsizei bufSize, GLsizei *length, GLint *params);                      \
+    void getVertexAttribfvRobust(GLuint index, GLenum pname, GLsizei bufSize, GLsizei *length,     \
+                                 GLfloat *params);                                                 \
+    void getVertexAttribivRobust(GLuint index, GLenum pname, GLsizei bufSize, GLsizei *length,     \
+                                 GLint *params);                                                   \
+    void getVertexAttribPointervRobust(GLuint index, GLenum pname, GLsizei bufSize,                \
+                                       GLsizei *length, void **pointer);                           \
+    void readPixelsRobust(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format,          \
+                          GLenum type, GLsizei bufSize, GLsizei *length, GLsizei *columns,         \
+                          GLsizei *rows, void *pixels);                                            \
+    void texImage2DRobust(TextureTarget targetPacked, GLint level, GLint internalformat,           \
+                          GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, \
+                          GLsizei bufSize, const void *pixels);                                    \
+    void texParameterfvRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,             \
+                              const GLfloat *params);                                              \
+    void texParameterivRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,             \
+                              const GLint *params);                                                \
+    void texSubImage2DRobust(TextureTarget targetPacked, GLint level, GLint xoffset,               \
+                             GLint yoffset, GLsizei width, GLsizei height, GLenum format,          \
+                             GLenum type, GLsizei bufSize, const void *pixels);                    \
+    void texImage3DRobust(TextureTarget targetPacked, GLint level, GLint internalformat,           \
+                          GLsizei width, GLsizei height, GLsizei depth, GLint border,              \
+                          GLenum format, GLenum type, GLsizei bufSize, const void *pixels);        \
+    void texSubImage3DRobust(TextureTarget targetPacked, GLint level, GLint xoffset,               \
+                             GLint yoffset, GLint zoffset, GLsizei width, GLsizei height,          \
+                             GLsizei depth, GLenum format, GLenum type, GLsizei bufSize,           \
+                             const void *pixels);                                                  \
+    void compressedTexImage2DRobust(                                                               \
+        TextureTarget targetPacked, GLint level, GLenum internalformat, GLsizei width,             \
+        GLsizei height, GLint border, GLsizei imageSize, GLsizei dataSize, const GLvoid *data);    \
+    void compressedTexSubImage2DRobust(                                                            \
+        TextureTarget targetPacked, GLint level, GLsizei xoffset, GLsizei yoffset, GLsizei width,  \
+        GLsizei height, GLenum format, GLsizei imageSize, GLsizei dataSize, const GLvoid *data);   \
+    void compressedTexImage3DRobust(TextureTarget targetPacked, GLint level,                       \
+                                    GLenum internalformat, GLsizei width, GLsizei height,          \
+                                    GLsizei depth, GLint border, GLsizei imageSize,                \
+                                    GLsizei dataSize, const GLvoid *data);                         \
+    void compressedTexSubImage3DRobust(TextureTarget targetPacked, GLint level, GLint xoffset,     \
+                                       GLint yoffset, GLint zoffset, GLsizei width,                \
+                                       GLsizei height, GLsizei depth, GLenum format,               \
+                                       GLsizei imageSize, GLsizei dataSize, const GLvoid *data);   \
+    void getQueryivRobust(QueryType targetPacked, GLenum pname, GLsizei bufSize, GLsizei *length,  \
+                          GLint *params);                                                          \
+    void getQueryObjectuivRobust(QueryID idPacked, GLenum pname, GLsizei bufSize, GLsizei *length, \
+                                 GLuint *params);                                                  \
+    void getBufferPointervRobust(BufferBinding targetPacked, GLenum pname, GLsizei bufSize,        \
+                                 GLsizei *length, void **params);                                  \
+    void getIntegeri_vRobust(GLenum target, GLuint index, GLsizei bufSize, GLsizei *length,        \
+                             GLint *data);                                                         \
+    void getInternalformativRobust(GLenum target, GLenum internalformat, GLenum pname,             \
+                                   GLsizei bufSize, GLsizei *length, GLint *params);               \
+    void getVertexAttribIivRobust(GLuint index, GLenum pname, GLsizei bufSize, GLsizei *length,    \
+                                  GLint *params);                                                  \
+    void getVertexAttribIuivRobust(GLuint index, GLenum pname, GLsizei bufSize, GLsizei *length,   \
+                                   GLuint *params);                                                \
+    void getUniformuivRobust(ShaderProgramID programPacked, UniformLocation locationPacked,        \
+                             GLsizei bufSize, GLsizei *length, GLuint *params);                    \
+    void getActiveUniformBlockivRobust(ShaderProgramID programPacked,                              \
+                                       UniformBlockIndex uniformBlockIndexPacked, GLenum pname,    \
+                                       GLsizei bufSize, GLsizei *length, GLint *params);           \
+    void getInteger64vRobust(GLenum pname, GLsizei bufSize, GLsizei *length, GLint64 *data);       \
+    void getInteger64i_vRobust(GLenum target, GLuint index, GLsizei bufSize, GLsizei *length,      \
+                               GLint64 *data);                                                     \
+    void getBufferParameteri64vRobust(BufferBinding targetPacked, GLenum pname, GLsizei bufSize,   \
+                                      GLsizei *length, GLint64 *params);                           \
+    void samplerParameterivRobust(SamplerID samplerPacked, GLuint pname, GLsizei bufSize,          \
+                                  const GLint *param);                                             \
+    void samplerParameterfvRobust(SamplerID samplerPacked, GLenum pname, GLsizei bufSize,          \
+                                  const GLfloat *param);                                           \
+    void getSamplerParameterivRobust(SamplerID samplerPacked, GLenum pname, GLsizei bufSize,       \
+                                     GLsizei *length, GLint *params);                              \
+    void getSamplerParameterfvRobust(SamplerID samplerPacked, GLenum pname, GLsizei bufSize,       \
+                                     GLsizei *length, GLfloat *params);                            \
+    void getFramebufferParameterivRobust(GLenum target, GLenum pname, GLsizei bufSize,             \
+                                         GLsizei *length, GLint *params);                          \
+    void getProgramInterfaceivRobust(ShaderProgramID programPacked, GLenum programInterface,       \
+                                     GLenum pname, GLsizei bufSize, GLsizei *length,               \
+                                     GLint *params);                                               \
+    void getBooleani_vRobust(GLenum target, GLuint index, GLsizei bufSize, GLsizei *length,        \
+                             GLboolean *data);                                                     \
+    void getMultisamplefvRobust(GLenum pname, GLuint index, GLsizei bufSize, GLsizei *length,      \
+                                GLfloat *val);                                                     \
+    void getTexLevelParameterivRobust(TextureTarget targetPacked, GLint level, GLenum pname,       \
+                                      GLsizei bufSize, GLsizei *length, GLint *params);            \
+    void getTexLevelParameterfvRobust(TextureTarget targetPacked, GLint level, GLenum pname,       \
+                                      GLsizei bufSize, GLsizei *length, GLfloat *params);          \
+    void getPointervRobustANGLERobust(GLenum pname, GLsizei bufSize, GLsizei *length,              \
+                                      void **params);                                              \
+    void readnPixelsRobust(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format,         \
+                           GLenum type, GLsizei bufSize, GLsizei *length, GLsizei *columns,        \
+                           GLsizei *rows, void *data);                                             \
+    void getnUniformfvRobust(ShaderProgramID programPacked, UniformLocation locationPacked,        \
+                             GLsizei bufSize, GLsizei *length, GLfloat *params);                   \
+    void getnUniformivRobust(ShaderProgramID programPacked, UniformLocation locationPacked,        \
+                             GLsizei bufSize, GLsizei *length, GLint *params);                     \
+    void getnUniformuivRobust(ShaderProgramID programPacked, UniformLocation locationPacked,       \
+                              GLsizei bufSize, GLsizei *length, GLuint *params);                   \
+    void texParameterIivRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,            \
+                               const GLint *params);                                               \
+    void texParameterIuivRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,           \
+                                const GLuint *params);                                             \
+    void getTexParameterIivRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,         \
+                                  GLsizei *length, GLint *params);                                 \
+    void getTexParameterIuivRobust(TextureType targetPacked, GLenum pname, GLsizei bufSize,        \
+                                   GLsizei *length, GLuint *params);                               \
+    void samplerParameterIivRobust(SamplerID samplerPacked, GLenum pname, GLsizei bufSize,         \
+                                   const GLint *param);                                            \
+    void samplerParameterIuivRobust(SamplerID samplerPacked, GLenum pname, GLsizei bufSize,        \
+                                    const GLuint *param);                                          \
+    void getSamplerParameterIivRobust(SamplerID samplerPacked, GLenum pname, GLsizei bufSize,      \
+                                      GLsizei *length, GLint *params);                             \
+    void getSamplerParameterIuivRobust(SamplerID samplerPacked, GLenum pname, GLsizei bufSize,     \
+                                       GLsizei *length, GLuint *params);                           \
+    void getQueryObjectivRobust(QueryID idPacked, GLenum pname, GLsizei bufSize, GLsizei *length,  \
+                                GLint *params);                                                    \
+    void getQueryObjecti64vRobust(QueryID idPacked, GLenum pname, GLsizei bufSize,                 \
+                                  GLsizei *length, GLint64 *params);                               \
+    void getQueryObjectui64vRobust(QueryID idPacked, GLenum pname, GLsizei bufSize,                \
+                                   GLsizei *length, GLuint64 *params);                             \
+    /* GL_ANGLE_robust_fragment_shader_output */                                                   \
+    /* GL_ANGLE_robust_resource_initialization */                                                  \
+    /* GL_ANGLE_semaphore_fuchsia */                                                               \
+    void importSemaphoreZirconHandle(SemaphoreID semaphorePacked, HandleType handleTypePacked,     \
+                                     GLuint handle);                                               \
+    /* GL_ANGLE_shader_pixel_local_storage */                                                      \
+    void framebufferMemorylessPixelLocalStorage(GLint plane, GLenum internalformat);               \
+    void framebufferTexturePixelLocalStorage(GLint plane, TextureID backingtexturePacked,          \
+                                             GLint level, GLint layer);                            \
+    void beginPixelLocalStorage(GLsizei planes, const GLenum *loadops, const void *cleardata);     \
+    void endPixelLocalStorage();                                                                   \
+    void pixelLocalStorageBarrier();                                                               \
+    /* GL_ANGLE_shader_pixel_local_storage_coherent */                                             \
+    /* GL_ANGLE_texture_compression_dxt3 */                                                        \
+    /* GL_ANGLE_texture_compression_dxt5 */                                                        \
+    /* GL_ANGLE_texture_external_update */                                                         \
+    void texImage2DExternal(TextureTarget targetPacked, GLint level, GLint internalformat,         \
+                            GLsizei width, GLsizei height, GLint border, GLenum format,            \
+                            GLenum type);                                                          \
+    void invalidateTexture(TextureType targetPacked);                                              \
+    /* GL_ANGLE_texture_multisample */                                                             \
+    /* GL_ANGLE_texture_rectangle */                                                               \
+    /* GL_ANGLE_vulkan_image */                                                                    \
+    void acquireTextures(GLuint numTextures, const TextureID *texturesPacked,                      \
+                         const GLenum *layouts);                                                   \
+    void releaseTextures(GLuint numTextures, const TextureID *texturesPacked, GLenum *layouts);    \
+    /* GL_ANGLE_webgl_compatibility */                                                             \
+    /* GL_ANGLE_yuv_internal_format */                                                             \
+    /* GL_CHROMIUM_bind_generates_resource */                                                      \
+    /* GL_CHROMIUM_bind_uniform_location */                                                        \
+    void bindUniformLocation(ShaderProgramID programPacked, UniformLocation locationPacked,        \
+                             const GLchar *name);                                                  \
+    /* GL_CHROMIUM_color_buffer_float_rgb */                                                       \
+    /* GL_CHROMIUM_color_buffer_float_rgba */                                                      \
+    /* GL_CHROMIUM_copy_compressed_texture */                                                      \
+    void compressedCopyTexture(TextureID sourceIdPacked, TextureID destIdPacked);                  \
+    /* GL_CHROMIUM_copy_texture */                                                                 \
+    void copyTexture(TextureID sourceIdPacked, GLint sourceLevel, TextureTarget destTargetPacked,  \
+                     TextureID destIdPacked, GLint destLevel, GLint internalFormat,                \
+                     GLenum destType, GLboolean unpackFlipY, GLboolean unpackPremultiplyAlpha,     \
+                     GLboolean unpackUnmultiplyAlpha);                                             \
+    void copySubTexture(TextureID sourceIdPacked, GLint sourceLevel,                               \
+                        TextureTarget destTargetPacked, TextureID destIdPacked, GLint destLevel,   \
+                        GLint xoffset, GLint yoffset, GLint x, GLint y, GLint width, GLint height, \
+                        GLboolean unpackFlipY, GLboolean unpackPremultiplyAlpha,                   \
+                        GLboolean unpackUnmultiplyAlpha);                                          \
+    /* GL_CHROMIUM_framebuffer_mixed_samples */                                                    \
+    void coverageModulation(GLenum components);                                                    \
+    /* GL_CHROMIUM_lose_context */                                                                 \
+    void loseContext(GraphicsResetStatus currentPacked, GraphicsResetStatus otherPacked);          \
+    /* GL_CHROMIUM_sync_query */                                                                   \
+    /* GL_CHROMIUM_texture_filtering_hint */
+
+#endif  // ANGLE_CONTEXT_API_EXT_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Debug.cpp b/gfx/angle/checkout/src/libANGLE/Debug.cpp
new file mode 100644
index 0000000000..da97ae9d9e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Debug.cpp
@@ -0,0 +1,507 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Debug.cpp: Defines debug state used for GL_KHR_debug
+
+#include "libANGLE/Debug.h"
+
+#include "common/debug.h"
+
+#include <algorithm>
+#include <tuple>
+
+namespace
+{
+const char *GLSeverityToString(GLenum severity)
+{
+    switch (severity)
+    {
+        case GL_DEBUG_SEVERITY_HIGH:
+            return "HIGH";
+        case GL_DEBUG_SEVERITY_MEDIUM:
+            return "MEDIUM";
+        case GL_DEBUG_SEVERITY_LOW:
+            return "LOW";
+        case GL_DEBUG_SEVERITY_NOTIFICATION:
+        default:
+            return "NOTIFICATION";
+    }
+}
+
+const char *EGLMessageTypeToString(egl::MessageType messageType)
+{
+    switch (messageType)
+    {
+        case egl::MessageType::Critical:
+            return "CRITICAL";
+        case egl::MessageType::Error:
+            return "ERROR";
+        case egl::MessageType::Warn:
+            return "WARNING";
+        case egl::MessageType::Info:
+        default:
+            return "INFO";
+    }
+}
+
+const char *GLMessageTypeToString(GLenum type)
+{
+    switch (type)
+    {
+        case GL_DEBUG_TYPE_ERROR:
+            return "error";
+        case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
+            return "deprecated behavior";
+        case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
+            return "undefined behavior";
+        case GL_DEBUG_TYPE_PORTABILITY:
+            return "portability";
+        case GL_DEBUG_TYPE_PERFORMANCE:
+            return "performance";
+        case GL_DEBUG_TYPE_MARKER:
+            return "marker";
+        case GL_DEBUG_TYPE_PUSH_GROUP:
+            return "start of group";
+        case GL_DEBUG_TYPE_POP_GROUP:
+            return "end of group";
+        case GL_DEBUG_TYPE_OTHER:
+        default:
+            return "other message";
+    }
+}
+}  // namespace
+
+namespace gl
+{
+
+Debug::Control::Control() {}
+
+Debug::Control::~Control() {}
+
+Debug::Control::Control(const Control &other) = default;
+
+Debug::Group::Group() {}
+
+Debug::Group::~Group() {}
+
+Debug::Group::Group(const Group &other) = default;
+
+Debug::Debug(bool initialDebugState)
+    : mOutputEnabled(initialDebugState),
+      mCallbackFunction(nullptr),
+      mCallbackUserParam(nullptr),
+      mMessages(),
+      mMaxLoggedMessages(0),
+      mOutputSynchronous(false),
+      mGroups()
+{
+    pushDefaultGroup();
+}
+
+Debug::~Debug() {}
+
+void Debug::setMaxLoggedMessages(GLuint maxLoggedMessages)
+{
+    mMaxLoggedMessages = maxLoggedMessages;
+}
+
+void Debug::setOutputEnabled(bool enabled)
+{
+    mOutputEnabled = enabled;
+}
+
+bool Debug::isOutputEnabled() const
+{
+    return mOutputEnabled;
+}
+
+void Debug::setOutputSynchronous(bool synchronous)
+{
+    mOutputSynchronous = synchronous;
+}
+
+bool Debug::isOutputSynchronous() const
+{
+    return mOutputSynchronous;
+}
+
+void Debug::setCallback(GLDEBUGPROCKHR callback, const void *userParam)
+{
+    mCallbackFunction  = callback;
+    mCallbackUserParam = userParam;
+}
+
+GLDEBUGPROCKHR Debug::getCallback() const
+{
+    return mCallbackFunction;
+}
+
+const void *Debug::getUserParam() const
+{
+    return mCallbackUserParam;
+}
+
+void Debug::insertMessage(GLenum source,
+                          GLenum type,
+                          GLuint id,
+                          GLenum severity,
+                          const std::string &message,
+                          gl::LogSeverity logSeverity,
+                          angle::EntryPoint entryPoint) const
+{
+    std::string messageCopy(message);
+    insertMessage(source, type, id, severity, std::move(messageCopy), logSeverity, entryPoint);
+}
+
+void Debug::insertMessage(GLenum source,
+                          GLenum type,
+                          GLuint id,
+                          GLenum severity,
+                          std::string &&message,
+                          gl::LogSeverity logSeverity,
+                          angle::EntryPoint entryPoint) const
+{
+    {
+        // output all messages to the debug log
+        const char *messageTypeString = GLMessageTypeToString(type);
+        const char *severityString    = GLSeverityToString(severity);
+        std::ostringstream messageStream;
+        if (entryPoint != angle::EntryPoint::GLInvalid)
+        {
+            messageStream << GetEntryPointName(entryPoint) << ": ";
+        }
+        messageStream << "GL " << messageTypeString << ": " << severityString << ": " << message;
+        switch (logSeverity)
+        {
+            case gl::LOG_FATAL:
+                FATAL() << messageStream.str();
+                break;
+            case gl::LOG_ERR:
+                ERR() << messageStream.str();
+                break;
+            case gl::LOG_WARN:
+                WARN() << messageStream.str();
+                break;
+            case gl::LOG_INFO:
+                INFO() << messageStream.str();
+                break;
+            case gl::LOG_EVENT:
+                ANGLE_LOG(EVENT) << messageStream.str();
+                break;
+        }
+    }
+
+    if (!isMessageEnabled(source, type, id, severity))
+    {
+        return;
+    }
+
+    if (mCallbackFunction != nullptr)
+    {
+        // TODO(geofflang) Check the synchronous flag and potentially flush messages from another
+        // thread.
+        mCallbackFunction(source, type, id, severity, static_cast<GLsizei>(message.length()),
+                          message.c_str(), mCallbackUserParam);
+    }
+    else
+    {
+        if (mMessages.size() >= mMaxLoggedMessages)
+        {
+            // Drop messages over the limit
+            return;
+        }
+
+        Message m;
+        m.source   = source;
+        m.type     = type;
+        m.id       = id;
+        m.severity = severity;
+        m.message  = std::move(message);
+
+        mMessages.push_back(std::move(m));
+    }
+}
+
+size_t Debug::getMessages(GLuint count,
+                          GLsizei bufSize,
+                          GLenum *sources,
+                          GLenum *types,
+                          GLuint *ids,
+                          GLenum *severities,
+                          GLsizei *lengths,
+                          GLchar *messageLog)
+{
+    size_t messageCount       = 0;
+    size_t messageStringIndex = 0;
+    while (messageCount <= count && !mMessages.empty())
+    {
+        const Message &m = mMessages.front();
+
+        if (messageLog != nullptr)
+        {
+            // Check that this message can fit in the message buffer
+            if (messageStringIndex + m.message.length() + 1 > static_cast<size_t>(bufSize))
+            {
+                break;
+            }
+
+            std::copy(m.message.begin(), m.message.end(), messageLog + messageStringIndex);
+            messageStringIndex += m.message.length();
+
+            messageLog[messageStringIndex] = '\0';
+            messageStringIndex += 1;
+        }
+
+        if (sources != nullptr)
+        {
+            sources[messageCount] = m.source;
+        }
+
+        if (types != nullptr)
+        {
+            types[messageCount] = m.type;
+        }
+
+        if (ids != nullptr)
+        {
+            ids[messageCount] = m.id;
+        }
+
+        if (severities != nullptr)
+        {
+            severities[messageCount] = m.severity;
+        }
+
+        if (lengths != nullptr)
+        {
+            lengths[messageCount] = static_cast<GLsizei>(m.message.length()) + 1;
+        }
+
+        mMessages.pop_front();
+
+        messageCount++;
+    }
+
+    return messageCount;
+}
+
+size_t Debug::getNextMessageLength() const
+{
+    return mMessages.empty() ? 0 : mMessages.front().message.length() + 1;
+}
+
+size_t Debug::getMessageCount() const
+{
+    return mMessages.size();
+}
+
+void Debug::setMessageControl(GLenum source,
+                              GLenum type,
+                              GLenum severity,
+                              std::vector<GLuint> &&ids,
+                              bool enabled)
+{
+    Control c;
+    c.source   = source;
+    c.type     = type;
+    c.severity = severity;
+    c.ids      = std::move(ids);
+    c.enabled  = enabled;
+
+    auto &controls = mGroups.back().controls;
+    controls.push_back(std::move(c));
+}
+
+void Debug::pushGroup(GLenum source, GLuint id, std::string &&message)
+{
+    insertMessage(source, GL_DEBUG_TYPE_PUSH_GROUP, id, GL_DEBUG_SEVERITY_NOTIFICATION,
+                  std::string(message), gl::LOG_INFO, angle::EntryPoint::GLPushDebugGroup);
+
+    Group g;
+    g.source  = source;
+    g.id      = id;
+    g.message = std::move(message);
+    mGroups.push_back(std::move(g));
+}
+
+void Debug::popGroup()
+{
+    // Make sure the default group is not about to be popped
+    ASSERT(mGroups.size() > 1);
+
+    Group g = mGroups.back();
+    mGroups.pop_back();
+
+    insertMessage(g.source, GL_DEBUG_TYPE_POP_GROUP, g.id, GL_DEBUG_SEVERITY_NOTIFICATION,
+                  g.message, gl::LOG_INFO, angle::EntryPoint::GLPopDebugGroup);
+}
+
+size_t Debug::getGroupStackDepth() const
+{
+    return mGroups.size();
+}
+
+void Debug::insertPerfWarning(GLenum severity, const char *message, uint32_t *repeatCount) const
+{
+    bool repeatLast;
+
+    {
+        constexpr uint32_t kMaxRepeat = 4;
+        std::lock_guard<std::mutex> lock(GetDebugMutex());
+
+        if (*repeatCount >= kMaxRepeat)
+        {
+            return;
+        }
+
+        ++*repeatCount;
+        repeatLast = (*repeatCount == kMaxRepeat);
+    }
+
+    std::string msg = message;
+    if (repeatLast)
+    {
+        msg += " (this message will no longer repeat)";
+    }
+
+    // Release the lock before we call insertMessage. It will re-acquire the lock.
+    insertMessage(GL_DEBUG_SOURCE_API, GL_DEBUG_TYPE_PERFORMANCE, 0, severity, std::move(msg),
+                  gl::LOG_INFO, angle::EntryPoint::GLInvalid);
+}
+
+bool Debug::isMessageEnabled(GLenum source, GLenum type, GLuint id, GLenum severity) const
+{
+    if (!mOutputEnabled)
+    {
+        return false;
+    }
+
+    for (auto groupIter = mGroups.rbegin(); groupIter != mGroups.rend(); groupIter++)
+    {
+        const auto &controls = groupIter->controls;
+        for (auto controlIter = controls.rbegin(); controlIter != controls.rend(); controlIter++)
+        {
+            const auto &control = *controlIter;
+
+            if (control.source != GL_DONT_CARE && control.source != source)
+            {
+                continue;
+            }
+
+            if (control.type != GL_DONT_CARE && control.type != type)
+            {
+                continue;
+            }
+
+            if (control.severity != GL_DONT_CARE && control.severity != severity)
+            {
+                continue;
+            }
+
+            if (!control.ids.empty() &&
+                std::find(control.ids.begin(), control.ids.end(), id) == control.ids.end())
+            {
+                continue;
+            }
+
+            return control.enabled;
+        }
+    }
+
+    return true;
+}
+
+void Debug::pushDefaultGroup()
+{
+    Group g;
+    g.source  = GL_NONE;
+    g.id      = 0;
+    g.message = "";
+
+    Control c0;
+    c0.source   = GL_DONT_CARE;
+    c0.type     = GL_DONT_CARE;
+    c0.severity = GL_DONT_CARE;
+    c0.enabled  = true;
+    g.controls.push_back(std::move(c0));
+
+    Control c1;
+    c1.source   = GL_DONT_CARE;
+    c1.type     = GL_DONT_CARE;
+    c1.severity = GL_DEBUG_SEVERITY_LOW;
+    c1.enabled  = false;
+    g.controls.push_back(std::move(c1));
+
+    mGroups.push_back(std::move(g));
+}
+}  // namespace gl
+
+namespace egl
+{
+
+namespace
+{
+angle::PackedEnumBitSet<MessageType> GetDefaultMessageTypeBits()
+{
+    angle::PackedEnumBitSet<MessageType> result;
+    result.set(MessageType::Critical);
+    result.set(MessageType::Error);
+    return result;
+}
+}  // anonymous namespace
+
+Debug::Debug() : mCallback(nullptr), mEnabledMessageTypes(GetDefaultMessageTypeBits()) {}
+
+void Debug::setCallback(EGLDEBUGPROCKHR callback, const AttributeMap &attribs)
+{
+    mCallback = callback;
+
+    const angle::PackedEnumBitSet<MessageType> defaultMessageTypes = GetDefaultMessageTypeBits();
+    if (mCallback != nullptr)
+    {
+        for (MessageType messageType : angle::AllEnums<MessageType>())
+        {
+            mEnabledMessageTypes[messageType] =
+                (attribs.getAsInt(egl::ToEGLenum(messageType), defaultMessageTypes[messageType]) ==
+                 EGL_TRUE);
+        }
+    }
+}
+
+EGLDEBUGPROCKHR Debug::getCallback() const
+{
+    return mCallback;
+}
+
+bool Debug::isMessageTypeEnabled(MessageType type) const
+{
+    return mEnabledMessageTypes[type];
+}
+
+void Debug::insertMessage(EGLenum error,
+                          const char *command,
+                          MessageType messageType,
+                          EGLLabelKHR threadLabel,
+                          EGLLabelKHR objectLabel,
+                          const std::string &message) const
+{
+    {
+        // output all messages to the debug log
+        const char *messageTypeString = EGLMessageTypeToString(messageType);
+        std::ostringstream messageStream;
+        messageStream << "EGL " << messageTypeString << ": " << command << ": " << message;
+        INFO() << messageStream.str();
+    }
+
+    // TODO(geofflang): Lock before checking the callback. http://anglebug.com/2464
+    if (mCallback && isMessageTypeEnabled(messageType))
+    {
+        mCallback(error, command, egl::ToEGLenum(messageType), threadLabel, objectLabel,
+                  message.c_str());
+    }
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Debug.h b/gfx/angle/checkout/src/libANGLE/Debug.h
new file mode 100644
index 0000000000..873a60df6f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Debug.h
@@ -0,0 +1,180 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Debug.h: Defines debug state used for GL_KHR_debug
+
+#ifndef LIBANGLE_DEBUG_H_
+#define LIBANGLE_DEBUG_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Error.h"
+
+#include <deque>
+#include <string>
+#include <vector>
+
+namespace gl
+{
+class Context;
+
+class LabeledObject
+{
+  public:
+    virtual ~LabeledObject() {}
+    virtual angle::Result setLabel(const Context *context, const std::string &label) = 0;
+    virtual const std::string &getLabel() const                                      = 0;
+};
+
+class Debug : angle::NonCopyable
+{
+  public:
+    Debug(bool initialDebugState);
+    ~Debug();
+
+    void setMaxLoggedMessages(GLuint maxLoggedMessages);
+
+    void setOutputEnabled(bool enabled);
+    bool isOutputEnabled() const;
+
+    void setOutputSynchronous(bool synchronous);
+    bool isOutputSynchronous() const;
+
+    void setCallback(GLDEBUGPROCKHR callback, const void *userParam);
+    GLDEBUGPROCKHR getCallback() const;
+    const void *getUserParam() const;
+
+    void insertMessage(GLenum source,
+                       GLenum type,
+                       GLuint id,
+                       GLenum severity,
+                       const std::string &message,
+                       gl::LogSeverity logSeverity,
+                       angle::EntryPoint entryPoint) const;
+    void insertMessage(GLenum source,
+                       GLenum type,
+                       GLuint id,
+                       GLenum severity,
+                       std::string &&message,
+                       gl::LogSeverity logSeverity,
+                       angle::EntryPoint entryPoint) const;
+
+    void setMessageControl(GLenum source,
+                           GLenum type,
+                           GLenum severity,
+                           std::vector<GLuint> &&ids,
+                           bool enabled);
+    size_t getMessages(GLuint count,
+                       GLsizei bufSize,
+                       GLenum *sources,
+                       GLenum *types,
+                       GLuint *ids,
+                       GLenum *severities,
+                       GLsizei *lengths,
+                       GLchar *messageLog);
+    size_t getNextMessageLength() const;
+    size_t getMessageCount() const;
+
+    void pushGroup(GLenum source, GLuint id, std::string &&message);
+    void popGroup();
+    size_t getGroupStackDepth() const;
+
+    // Helper for ANGLE_PERF_WARNING
+    void insertPerfWarning(GLenum severity, const char *message, uint32_t *repeatCount) const;
+
+  private:
+    bool isMessageEnabled(GLenum source, GLenum type, GLuint id, GLenum severity) const;
+
+    void pushDefaultGroup();
+
+    struct Message
+    {
+        GLenum source;
+        GLenum type;
+        GLuint id;
+        GLenum severity;
+        std::string message;
+    };
+
+    struct Control
+    {
+        Control();
+        ~Control();
+        Control(const Control &other);
+
+        GLenum source;
+        GLenum type;
+        GLenum severity;
+        std::vector<GLuint> ids;
+        bool enabled;
+    };
+
+    struct Group
+    {
+        Group();
+        ~Group();
+        Group(const Group &other);
+
+        GLenum source;
+        GLuint id;
+        std::string message;
+
+        std::vector<Control> controls;
+    };
+
+    bool mOutputEnabled;
+    GLDEBUGPROCKHR mCallbackFunction;
+    const void *mCallbackUserParam;
+    mutable std::deque<Message> mMessages;
+    GLuint mMaxLoggedMessages;
+    bool mOutputSynchronous;
+    std::vector<Group> mGroups;
+};
+}  // namespace gl
+
+namespace egl
+{
+class LabeledObject
+{
+  public:
+    virtual ~LabeledObject() {}
+    virtual void setLabel(EGLLabelKHR label) = 0;
+    virtual EGLLabelKHR getLabel() const     = 0;
+};
+
+class Debug : angle::NonCopyable
+{
+  public:
+    Debug();
+
+    void setCallback(EGLDEBUGPROCKHR callback, const AttributeMap &attribs);
+    EGLDEBUGPROCKHR getCallback() const;
+    bool isMessageTypeEnabled(MessageType type) const;
+
+    void insertMessage(EGLenum error,
+                       const char *command,
+                       MessageType messageType,
+                       EGLLabelKHR threadLabel,
+                       EGLLabelKHR objectLabel,
+                       const std::string &message) const;
+
+  private:
+    EGLDEBUGPROCKHR mCallback;
+    angle::PackedEnumBitSet<MessageType> mEnabledMessageTypes;
+};
+}  // namespace egl
+
+// Generate a perf warning.  Only outputs the same message a few times to avoid spamming the logs.
+#define ANGLE_PERF_WARNING(debug, severity, message)                 \
+    do                                                               \
+    {                                                                \
+        static uint32_t sRepeatCount = 0;                            \
+        (debug).insertPerfWarning(severity, message, &sRepeatCount); \
+    } while (0)
+
+#endif  // LIBANGLE_DEBUG_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Device.cpp b/gfx/angle/checkout/src/libANGLE/Device.cpp
new file mode 100644
index 0000000000..550708fd13
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Device.cpp
@@ -0,0 +1,133 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Device.cpp: Implements the egl::Device class, representing the abstract
+// device. Implements EGLDevice.
+
+#include "libANGLE/Device.h"
+
+#include <iterator>
+
+#include <EGL/eglext.h>
+#include <platform/PlatformMethods.h>
+
+#include "anglebase/no_destructor.h"
+#include "common/debug.h"
+#include "common/platform.h"
+#include "libANGLE/renderer/DeviceImpl.h"
+
+#if defined(ANGLE_ENABLE_D3D11)
+#    include "libANGLE/renderer/d3d/DeviceD3D.h"
+#endif
+
+namespace egl
+{
+
+template <typename T>
+static std::string GenerateExtensionsString(const T &extensions)
+{
+    std::vector<std::string> extensionsVector = extensions.getStrings();
+
+    std::ostringstream stream;
+    std::copy(extensionsVector.begin(), extensionsVector.end(),
+              std::ostream_iterator<std::string>(stream, " "));
+    return stream.str();
+}
+
+typedef std::set<egl::Device *> DeviceSet;
+static DeviceSet *GetDeviceSet()
+{
+    static angle::base::NoDestructor<DeviceSet> devices;
+    return devices.get();
+}
+
+// Static factory methods
+egl::Error Device::CreateDevice(EGLint deviceType, void *nativeDevice, Device **outDevice)
+{
+    *outDevice = nullptr;
+
+    std::unique_ptr<rx::DeviceImpl> newDeviceImpl;
+
+#if defined(ANGLE_ENABLE_D3D11)
+    if (deviceType == EGL_D3D11_DEVICE_ANGLE)
+    {
+        newDeviceImpl.reset(new rx::DeviceD3D(deviceType, nativeDevice));
+    }
+#endif
+
+    // Note that creating an EGL device from inputted D3D9 parameters isn't currently supported
+
+    if (newDeviceImpl == nullptr)
+    {
+        return EglBadAttribute();
+    }
+
+    ANGLE_TRY(newDeviceImpl->initialize());
+    *outDevice = new Device(nullptr, newDeviceImpl.release());
+
+    return NoError();
+}
+
+bool Device::IsValidDevice(const Device *device)
+{
+    const DeviceSet *deviceSet = GetDeviceSet();
+    return deviceSet->find(const_cast<Device *>(device)) != deviceSet->end();
+}
+
+Device::Device(Display *owningDisplay, rx::DeviceImpl *impl)
+    : mLabel(nullptr), mOwningDisplay(owningDisplay), mImplementation(impl)
+{
+    ASSERT(GetDeviceSet()->find(this) == GetDeviceSet()->end());
+    GetDeviceSet()->insert(this);
+    initDeviceExtensions();
+}
+
+Device::~Device()
+{
+    ASSERT(GetDeviceSet()->find(this) != GetDeviceSet()->end());
+    GetDeviceSet()->erase(this);
+}
+
+void Device::setLabel(EGLLabelKHR label)
+{
+    mLabel = label;
+}
+
+EGLLabelKHR Device::getLabel() const
+{
+    return mLabel;
+}
+
+Error Device::getAttribute(EGLint attribute, EGLAttrib *value)
+{
+    void *nativeAttribute = nullptr;
+    egl::Error error =
+        getImplementation()->getAttribute(getOwningDisplay(), attribute, &nativeAttribute);
+    *value = reinterpret_cast<EGLAttrib>(nativeAttribute);
+    return error;
+}
+
+EGLint Device::getType() const
+{
+    return mImplementation.get()->getType();
+}
+
+void Device::initDeviceExtensions()
+{
+    mImplementation->generateExtensions(&mDeviceExtensions);
+    mDeviceExtensionString = GenerateExtensionsString(mDeviceExtensions);
+}
+
+const DeviceExtensions &Device::getExtensions() const
+{
+    return mDeviceExtensions;
+}
+
+const std::string &Device::getExtensionString() const
+{
+    return mDeviceExtensionString;
+}
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Device.h b/gfx/angle/checkout/src/libANGLE/Device.h
new file mode 100644
index 0000000000..8fbdf72e68
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Device.h
@@ -0,0 +1,60 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Device.h: Implements the egl::Device class, representing the abstract
+// device. Implements EGLDevice.
+
+#ifndef LIBANGLE_DEVICE_H_
+#define LIBANGLE_DEVICE_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Error.h"
+
+#include <memory>
+
+namespace rx
+{
+class DeviceImpl;
+}  // namespace rx
+
+namespace egl
+{
+class Device final : public LabeledObject, angle::NonCopyable
+{
+  public:
+    Device(Display *owningDisplay, rx::DeviceImpl *impl);
+    ~Device() override;
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    Error getAttribute(EGLint attribute, EGLAttrib *value);
+    Display *getOwningDisplay() const { return mOwningDisplay; }
+    EGLint getType() const;
+
+    const DeviceExtensions &getExtensions() const;
+    const std::string &getExtensionString() const;
+
+    rx::DeviceImpl *getImplementation() { return mImplementation.get(); }
+
+    static egl::Error CreateDevice(EGLint deviceType, void *nativeDevice, Device **outDevice);
+    static bool IsValidDevice(const Device *device);
+
+  private:
+    void initDeviceExtensions();
+
+    EGLLabelKHR mLabel;
+
+    Display *mOwningDisplay;
+    std::unique_ptr<rx::DeviceImpl> mImplementation;
+
+    DeviceExtensions mDeviceExtensions;
+    std::string mDeviceExtensionString;
+};
+}  // namespace egl
+
+#endif  // LIBANGLE_DEVICE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Display.cpp b/gfx/angle/checkout/src/libANGLE/Display.cpp
new file mode 100644
index 0000000000..4b7ced36fb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Display.cpp
@@ -0,0 +1,2506 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Display.cpp: Implements the egl::Display class, representing the abstract
+// display on which graphics are drawn. Implements EGLDisplay.
+// [EGL 1.4] section 2.1.2 page 3.
+
+#include "libANGLE/Display.h"
+
+#include <algorithm>
+#include <iterator>
+#include <sstream>
+#include <vector>
+
+#include <EGL/eglext.h>
+#include <platform/PlatformMethods.h>
+
+#include "anglebase/no_destructor.h"
+#include "common/android_util.h"
+#include "common/debug.h"
+#include "common/mathutil.h"
+#include "common/platform.h"
+#include "common/string_utils.h"
+#include "common/system_utils.h"
+#include "common/tls.h"
+#include "common/utilities.h"
+#include "gpu_info_util/SystemInfo.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Device.h"
+#include "libANGLE/EGLSync.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/Stream.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Thread.h"
+#include "libANGLE/capture/FrameCapture.h"
+#include "libANGLE/histogram_macros.h"
+#include "libANGLE/renderer/DeviceImpl.h"
+#include "libANGLE/renderer/DisplayImpl.h"
+#include "libANGLE/renderer/ImageImpl.h"
+#include "libANGLE/trace.h"
+
+#if defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
+#    include <versionhelpers.h>
+
+#    include "libANGLE/renderer/d3d/DisplayD3D.h"
+#endif
+
+#if defined(ANGLE_ENABLE_OPENGL)
+#    if defined(ANGLE_PLATFORM_WINDOWS)
+#        include "libANGLE/renderer/gl/wgl/DisplayWGL.h"
+#    elif defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_IOS)
+#        include "libANGLE/renderer/gl/apple/DisplayApple_api.h"
+#    elif defined(ANGLE_PLATFORM_LINUX)
+#        include "libANGLE/renderer/gl/egl/DisplayEGL.h"
+#        if defined(ANGLE_USE_GBM)
+#            include "libANGLE/renderer/gl/egl/gbm/DisplayGbm.h"
+#        endif
+#        if defined(ANGLE_USE_X11)
+#            include "libANGLE/renderer/gl/glx/DisplayGLX.h"
+#        endif
+#    elif defined(ANGLE_PLATFORM_ANDROID)
+#        include "libANGLE/renderer/gl/egl/android/DisplayAndroid.h"
+#    else
+#        error Unsupported OpenGL platform.
+#    endif
+#endif
+
+#if defined(ANGLE_ENABLE_NULL)
+#    include "libANGLE/renderer/null/DisplayNULL.h"
+#endif  // defined(ANGLE_ENABLE_NULL)
+
+#if defined(ANGLE_ENABLE_VULKAN)
+#    include "libANGLE/renderer/vulkan/DisplayVk_api.h"
+#endif  // defined(ANGLE_ENABLE_VULKAN)
+
+#if defined(ANGLE_ENABLE_METAL)
+#    include "libANGLE/renderer/metal/DisplayMtl_api.h"
+#endif  // defined(ANGLE_ENABLE_METAL)
+
+namespace egl
+{
+
+namespace
+{
+
+constexpr angle::SubjectIndex kGPUSwitchedSubjectIndex = 0;
+
+static constexpr size_t kWindowSurfaceMapSize = 32;
+typedef angle::FlatUnorderedMap<EGLNativeWindowType, Surface *, kWindowSurfaceMapSize>
+    WindowSurfaceMap;
+// Get a map of all EGL window surfaces to validate that no window has more than one EGL surface
+// associated with it.
+static WindowSurfaceMap *GetWindowSurfaces()
+{
+    static angle::base::NoDestructor<WindowSurfaceMap> windowSurfaces;
+    return windowSurfaces.get();
+}
+
+struct ANGLEPlatformDisplay
+{
+    ANGLEPlatformDisplay() = default;
+
+    ANGLEPlatformDisplay(EGLNativeDisplayType nativeDisplayType)
+        : nativeDisplayType(nativeDisplayType)
+    {}
+
+    ANGLEPlatformDisplay(EGLNativeDisplayType nativeDisplayType,
+                         EGLAttrib powerPreference,
+                         EGLAttrib platformANGLEType,
+                         EGLAttrib deviceIdHigh,
+                         EGLAttrib deviceIdLow)
+        : nativeDisplayType(nativeDisplayType),
+          powerPreference(powerPreference),
+          platformANGLEType(platformANGLEType),
+          deviceIdHigh(deviceIdHigh),
+          deviceIdLow(deviceIdLow)
+    {}
+
+    auto tie() const
+    {
+        return std::tie(nativeDisplayType, powerPreference, platformANGLEType, deviceIdHigh,
+                        deviceIdLow);
+    }
+
+    EGLNativeDisplayType nativeDisplayType{EGL_DEFAULT_DISPLAY};
+    EGLAttrib powerPreference{EGL_LOW_POWER_ANGLE};
+    EGLAttrib platformANGLEType{EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE};
+    EGLAttrib deviceIdHigh{0};
+    EGLAttrib deviceIdLow{0};
+};
+
+inline bool operator==(const ANGLEPlatformDisplay &a, const ANGLEPlatformDisplay &b)
+{
+    return a.tie() == b.tie();
+}
+
+static constexpr size_t kANGLEPlatformDisplayMapSize = 9;
+typedef angle::FlatUnorderedMap<ANGLEPlatformDisplay, Display *, kANGLEPlatformDisplayMapSize>
+    ANGLEPlatformDisplayMap;
+static ANGLEPlatformDisplayMap *GetANGLEPlatformDisplayMap()
+{
+    static angle::base::NoDestructor<ANGLEPlatformDisplayMap> displays;
+    return displays.get();
+}
+
+static constexpr size_t kDevicePlatformDisplayMapSize = 8;
+typedef angle::FlatUnorderedMap<Device *, Display *, kDevicePlatformDisplayMapSize>
+    DevicePlatformDisplayMap;
+static DevicePlatformDisplayMap *GetDevicePlatformDisplayMap()
+{
+    static angle::base::NoDestructor<DevicePlatformDisplayMap> displays;
+    return displays.get();
+}
+
+rx::DisplayImpl *CreateDisplayFromDevice(Device *eglDevice, const DisplayState &state)
+{
+    rx::DisplayImpl *impl = nullptr;
+
+    switch (eglDevice->getType())
+    {
+#if defined(ANGLE_ENABLE_D3D11)
+        case EGL_D3D11_DEVICE_ANGLE:
+            impl = new rx::DisplayD3D(state);
+            break;
+#endif
+#if defined(ANGLE_ENABLE_D3D9)
+        case EGL_D3D9_DEVICE_ANGLE:
+            // Currently the only way to get EGLDeviceEXT representing a D3D9 device
+            // is to retrieve one from an already-existing EGLDisplay.
+            // When eglGetPlatformDisplayEXT is called with a D3D9 EGLDeviceEXT,
+            // the already-existing display should be returned.
+            // Therefore this codepath to create a new display from the device
+            // should never be hit.
+            UNREACHABLE();
+            break;
+#endif
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    ASSERT(impl != nullptr);
+    return impl;
+}
+
+// On platforms with support for multiple back-ends, allow an environment variable to control
+// the default.  This is useful to run angle with benchmarks without having to modify the
+// benchmark source.  Possible values for this environment variable (ANGLE_DEFAULT_PLATFORM)
+// are: vulkan, gl, d3d11, null.
+EGLAttrib GetDisplayTypeFromEnvironment()
+{
+    std::string angleDefaultEnv = angle::GetEnvironmentVar("ANGLE_DEFAULT_PLATFORM");
+    angle::ToLower(&angleDefaultEnv);
+
+#if defined(ANGLE_ENABLE_VULKAN)
+    if ((angleDefaultEnv == "vulkan") || (angleDefaultEnv == "vulkan-null") ||
+        (angleDefaultEnv == "swiftshader"))
+    {
+        return EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
+    }
+#endif
+
+#if defined(ANGLE_ENABLE_OPENGL)
+    if (angleDefaultEnv == "gl")
+    {
+        return EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE;
+    }
+#endif
+
+#if defined(ANGLE_ENABLE_D3D11)
+    if (angleDefaultEnv == "d3d11")
+    {
+        return EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE;
+    }
+#endif
+
+#if defined(ANGLE_ENABLE_METAL)
+    if (angleDefaultEnv == "metal")
+    {
+        return EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE;
+    }
+#endif
+
+#if defined(ANGLE_ENABLE_NULL)
+    if (angleDefaultEnv == "null")
+    {
+        return EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE;
+    }
+#endif
+#if defined(ANGLE_ENABLE_METAL)
+    if (angleDefaultEnv == "metal")
+    {
+        return EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE;
+    }
+
+#endif
+#if defined(ANGLE_ENABLE_D3D11)
+    return EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE;
+#elif defined(ANGLE_ENABLE_D3D9)
+    return EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE;
+#elif defined(ANGLE_ENABLE_VULKAN) && defined(ANGLE_PLATFORM_ANDROID)
+    return EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
+#elif defined(ANGLE_ENABLE_OPENGL)
+#    if defined(ANGLE_PLATFORM_ANDROID) || defined(ANGLE_USE_GBM)
+    return EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE;
+#    else
+    return EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE;
+#    endif
+#elif defined(ANGLE_ENABLE_METAL)
+    return EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE;
+#elif defined(ANGLE_ENABLE_VULKAN)
+    return EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
+#elif defined(ANGLE_ENABLE_NULL)
+    return EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE;
+#else
+#    error No default ANGLE platform type
+#endif
+}
+
+EGLAttrib GetDeviceTypeFromEnvironment()
+{
+    std::string angleDefaultEnv = angle::GetEnvironmentVar("ANGLE_DEFAULT_PLATFORM");
+    angle::ToLower(&angleDefaultEnv);
+
+#if defined(ANGLE_ENABLE_VULKAN)
+    if (angleDefaultEnv == "vulkan-null")
+    {
+        return EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE;
+    }
+    else if (angleDefaultEnv == "swiftshader")
+    {
+        return EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE;
+    }
+#endif
+    return EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE;
+}
+
+EGLAttrib GetPlatformTypeFromEnvironment()
+{
+#if defined(ANGLE_USE_OZONE)
+    return 0;
+#elif defined(ANGLE_USE_X11)
+    return EGL_PLATFORM_X11_EXT;
+#elif defined(ANGLE_USE_WAYLAND)
+    return EGL_PLATFORM_WAYLAND_EXT;
+#elif defined(ANGLE_USE_VULKAN_DISPLAY) && defined(ANGLE_VULKAN_DISPLAY_MODE_SIMPLE)
+    return EGL_PLATFORM_VULKAN_DISPLAY_MODE_SIMPLE_ANGLE;
+#elif defined(ANGLE_USE_VULKAN_DISPLAY) && defined(ANGLE_VULKAN_DISPLAY_MODE_HEADLESS)
+    return EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE;
+#else
+    return 0;
+#endif  // defined(ANGLE_USE_OZONE)
+}
+
+rx::DisplayImpl *CreateDisplayFromAttribs(EGLAttrib displayType,
+                                          EGLAttrib deviceType,
+                                          EGLAttrib platformType,
+                                          const DisplayState &state)
+{
+    ASSERT(displayType != EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
+    rx::DisplayImpl *impl = nullptr;
+
+    switch (displayType)
+    {
+        case EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE:
+            UNREACHABLE();
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE:
+        case EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE:
+#if defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
+            impl = new rx::DisplayD3D(state);
+            break;
+#else
+            // A D3D display was requested on a platform that doesn't support it
+            UNREACHABLE();
+            break;
+#endif
+
+        case EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE:
+#if defined(ANGLE_ENABLE_OPENGL)
+#    if defined(ANGLE_PLATFORM_WINDOWS)
+            impl = new rx::DisplayWGL(state);
+            break;
+
+#    elif defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_IOS)
+            impl = rx::CreateDisplayCGLOrEAGL(state);
+            break;
+
+#    elif defined(ANGLE_PLATFORM_LINUX)
+#        if defined(ANGLE_USE_GBM)
+            if (platformType == 0)
+            {
+                // If platformType is unknown, use DisplayGbm now. In the future, it should use
+                // DisplayEGL letting native EGL decide what display to use.
+                impl = new rx::DisplayGbm(state);
+                break;
+            }
+#        endif
+            if (deviceType == EGL_PLATFORM_ANGLE_DEVICE_TYPE_EGL_ANGLE)
+            {
+                impl = new rx::DisplayEGL(state);
+                break;
+            }
+#        if defined(ANGLE_USE_X11)
+            if (platformType == EGL_PLATFORM_X11_EXT)
+            {
+                impl = new rx::DisplayGLX(state);
+                break;
+            }
+#        endif
+            break;
+
+#    elif defined(ANGLE_PLATFORM_ANDROID)
+            // No GL support on this platform, fail display creation.
+            impl = nullptr;
+            break;
+
+#    else
+#        error Unsupported OpenGL platform.
+#    endif
+#else
+            // No display available
+            UNREACHABLE();
+            break;
+
+#endif  // defined(ANGLE_ENABLE_OPENGL)
+
+        case EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE:
+#if defined(ANGLE_ENABLE_OPENGL)
+#    if defined(ANGLE_PLATFORM_WINDOWS)
+            impl = new rx::DisplayWGL(state);
+#    elif defined(ANGLE_PLATFORM_LINUX)
+#        if defined(ANGLE_USE_GBM)
+            if (platformType == 0 ||
+                platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE)
+            {
+                // If platformType is unknown, use DisplayGbm now. In the future, it should use
+                // DisplayEGL letting native EGL decide what display to use.
+                // platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE is a hack,
+                // to allow ChromeOS GLES backend to continue functioning when Vulkan is enabled.
+                impl = new rx::DisplayGbm(state);
+                break;
+            }
+#        endif
+            if (deviceType == EGL_PLATFORM_ANGLE_DEVICE_TYPE_EGL_ANGLE)
+            {
+                impl = new rx::DisplayEGL(state);
+                break;
+            }
+            else
+            {
+#        if defined(ANGLE_USE_X11)
+                if (platformType == EGL_PLATFORM_X11_EXT)
+                {
+                    impl = new rx::DisplayGLX(state);
+                    break;
+                }
+#        endif
+            }
+#    elif defined(ANGLE_PLATFORM_ANDROID)
+            impl = new rx::DisplayAndroid(state);
+#    else
+            // No GLES support on this platform, fail display creation.
+            impl = nullptr;
+#    endif
+#endif  // defined(ANGLE_ENABLE_OPENGL)
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE:
+#if defined(ANGLE_ENABLE_VULKAN)
+#    if defined(ANGLE_USE_VULKAN_NULL_DISPLAY)
+            if (rx::IsVulkanNullDisplayAvailable())
+            {
+                impl = rx::CreateVulkanNullDisplay(state);
+            }
+            break;
+#    elif defined(ANGLE_PLATFORM_WINDOWS)
+            if (rx::IsVulkanWin32DisplayAvailable())
+            {
+                impl = rx::CreateVulkanWin32Display(state);
+            }
+            break;
+#    elif defined(ANGLE_PLATFORM_LINUX)
+#        if defined(ANGLE_USE_GBM)
+            if (platformType == EGL_PLATFORM_GBM_KHR && rx::IsVulkanGbmDisplayAvailable())
+            {
+                impl = rx::CreateVulkanGbmDisplay(state);
+                break;
+            }
+#        endif
+#        if defined(ANGLE_USE_X11)
+            if (platformType == EGL_PLATFORM_X11_EXT && rx::IsVulkanXcbDisplayAvailable())
+            {
+                impl = rx::CreateVulkanXcbDisplay(state);
+                break;
+            }
+#        endif
+#        if defined(ANGLE_USE_WAYLAND)
+            if (platformType == EGL_PLATFORM_WAYLAND_EXT && rx::IsVulkanWaylandDisplayAvailable())
+            {
+                impl = rx::CreateVulkanWaylandDisplay(state);
+                break;
+            }
+#        endif
+#        if defined(ANGLE_USE_VULKAN_DISPLAY)
+            if (platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_SIMPLE_ANGLE &&
+                rx::IsVulkanSimpleDisplayAvailable())
+            {
+                impl = rx::CreateVulkanSimpleDisplay(state);
+            }
+            else if (platformType == EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE &&
+                     rx::IsVulkanHeadlessDisplayAvailable())
+            {
+                impl = rx::CreateVulkanHeadlessDisplay(state);
+            }
+            else
+            {
+                // Not supported creation type on vulkan display, fail display creation.
+                impl = nullptr;
+            }
+#        endif
+            break;
+#    elif defined(ANGLE_PLATFORM_ANDROID)
+            if (rx::IsVulkanAndroidDisplayAvailable())
+            {
+                impl = rx::CreateVulkanAndroidDisplay(state);
+            }
+            break;
+#    elif defined(ANGLE_PLATFORM_FUCHSIA)
+            if (rx::IsVulkanFuchsiaDisplayAvailable())
+            {
+                impl = rx::CreateVulkanFuchsiaDisplay(state);
+            }
+            break;
+#    elif defined(ANGLE_PLATFORM_GGP)
+            if (rx::IsVulkanGGPDisplayAvailable())
+            {
+                impl = rx::CreateVulkanGGPDisplay(state);
+            }
+            break;
+#    elif defined(ANGLE_PLATFORM_APPLE)
+            if (rx::IsVulkanMacDisplayAvailable())
+            {
+                impl = rx::CreateVulkanMacDisplay(state);
+            }
+            break;
+#    else
+#        error Unsupported Vulkan platform.
+#    endif
+#else
+            // No display available
+            UNREACHABLE();
+            break;
+#endif  // defined(ANGLE_ENABLE_VULKAN)
+
+        case EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE:
+#if defined(ANGLE_ENABLE_METAL)
+            if (rx::IsMetalDisplayAvailable())
+            {
+                impl = rx::CreateMetalDisplay(state);
+                break;
+            }
+#endif
+            // No display available
+            UNREACHABLE();
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE:
+#if defined(ANGLE_ENABLE_NULL)
+            impl = new rx::DisplayNULL(state);
+            break;
+#else
+            // No display available
+            UNREACHABLE();
+            break;
+#endif  // defined(ANGLE_ENABLE_NULL)
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return impl;
+}
+
+void Display_logError(angle::PlatformMethods *platform, const char *errorMessage)
+{
+    gl::Trace(gl::LOG_ERR, errorMessage);
+}
+
+void Display_logWarning(angle::PlatformMethods *platform, const char *warningMessage)
+{
+    gl::Trace(gl::LOG_WARN, warningMessage);
+}
+
+void Display_logInfo(angle::PlatformMethods *platform, const char *infoMessage)
+{
+    // Uncomment to get info spam
+#if defined(ANGLE_ENABLE_DEBUG_TRACE)
+    gl::Trace(gl::LOG_INFO, infoMessage);
+#endif
+}
+
+const std::vector<std::string> EGLStringArrayToStringVector(const char **ary)
+{
+    std::vector<std::string> vec;
+    if (ary != nullptr)
+    {
+        for (; *ary != nullptr; ary++)
+        {
+            vec.push_back(std::string(*ary));
+        }
+    }
+    return vec;
+}
+
+void ANGLESetDefaultDisplayPlatform(angle::EGLDisplayType display)
+{
+    angle::PlatformMethods *platformMethods = ANGLEPlatformCurrent();
+
+    ANGLEResetDisplayPlatform(display);
+    platformMethods->logError   = Display_logError;
+    platformMethods->logWarning = Display_logWarning;
+    platformMethods->logInfo    = Display_logInfo;
+}
+
+void UpdateAttribsFromEnvironment(AttributeMap &attribMap)
+{
+    EGLAttrib displayType =
+        attribMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
+    if (displayType == EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE)
+    {
+        displayType = GetDisplayTypeFromEnvironment();
+        attribMap.insert(EGL_PLATFORM_ANGLE_TYPE_ANGLE, displayType);
+    }
+    EGLAttrib deviceType = attribMap.get(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, 0);
+    if (deviceType == 0)
+    {
+        deviceType = GetDeviceTypeFromEnvironment();
+        attribMap.insert(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, deviceType);
+    }
+    EGLAttrib platformType = attribMap.get(EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE, 0);
+    if (platformType == 0)
+    {
+        platformType = GetPlatformTypeFromEnvironment();
+        attribMap.insert(EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE, platformType);
+    }
+}
+
+static constexpr uint32_t kScratchBufferLifetime = 64u;
+
+}  // anonymous namespace
+
+// ShareGroup
+ShareGroup::ShareGroup(rx::EGLImplFactory *factory)
+    : mRefCount(1),
+      mImplementation(factory->createShareGroup()),
+      mFrameCaptureShared(new angle::FrameCaptureShared)
+{}
+
+void ShareGroup::finishAllContexts()
+{
+    for (gl::Context *shareContext : mContexts)
+    {
+        if (shareContext->hasBeenCurrent() && !shareContext->isDestroyed())
+        {
+            shareContext->finish();
+        }
+    }
+}
+
+void ShareGroup::addSharedContext(gl::Context *context)
+{
+    mContexts.insert(context);
+
+    if (context->isRobustnessEnabled())
+    {
+        mImplementation->onRobustContextAdd();
+    }
+}
+
+void ShareGroup::removeSharedContext(gl::Context *context)
+{
+    mContexts.erase(context);
+}
+
+ShareGroup::~ShareGroup()
+{
+    SafeDelete(mImplementation);
+}
+
+void ShareGroup::addRef()
+{
+    // This is protected by global lock, so no atomic is required
+    mRefCount++;
+}
+
+void ShareGroup::release(const Display *display)
+{
+    if (--mRefCount == 0)
+    {
+        if (mImplementation)
+        {
+            mImplementation->onDestroy(display);
+        }
+        delete this;
+    }
+}
+
+// DisplayState
+DisplayState::DisplayState(EGLNativeDisplayType nativeDisplayId)
+    : label(nullptr), featuresAllDisabled(false), displayId(nativeDisplayId)
+{}
+
+DisplayState::~DisplayState() {}
+
+// Note that ANGLE support on Ozone platform is limited. Our preferred support Matrix for
+// EGL_ANGLE_platform_angle on Linux and Ozone/Linux/Fuchsia platforms should be the following:
+//
+// |--------------------------------------------------------|
+// | ANGLE type | DEVICE type |  PLATFORM type   | Display  |
+// |--------------------------------------------------------|
+// |   OPENGL   |     EGL     |       ANY        |   EGL    |
+// |   OPENGL   |   HARDWARE  |     X11_EXT      |   GLX    |
+// |  OPENGLES  |   HARDWARE  |     X11_EXT      |   GLX    |
+// |  OPENGLES  |     EGL     |       ANY        |   EGL    |
+// |   VULKAN   |   HARDWARE  |     X11_EXT      |  VkXcb   |
+// |   VULKAN   | SWIFTSHADER |     X11_EXT      |  VkXcb   |
+// |  OPENGLES  |   HARDWARE  | SURFACELESS_MESA |   EGL*   |
+// |  OPENGLES  |   HARDWARE  |    DEVICE_EXT    |   EGL    |
+// |   VULKAN   |   HARDWARE  | SURFACELESS_MESA | VkBase** |
+// |   VULKAN   | SWIFTSHADER | SURFACELESS_MESA | VkBase** |
+// |--------------------------------------------------------|
+//
+// * No surfaceless support yet.
+// ** Not implemented yet.
+//
+// |-----------------------------------------------|
+// |   OS    | BUILD type |  Default PLATFORM type |
+// |-----------------------------------------------|
+// |  Linux  |    X11     |        X11_EXT         |
+// |  Linux  |   Ozone    |    SURFACELESS_MESA    |
+// | Fuchsia |   Ozone    |        FUCHSIA***      |
+// |-----------------------------------------------|
+//
+// *** Chosen implicitly. No EGLAttrib available.
+//
+// For more details, please refer to
+// https://docs.google.com/document/d/1XjHiDZQISq1AMrg_l1TX1_kIKvDpU76hidn9i4cAjl8/edit?disco=AAAAJl9V_YY
+//
+// static
+Display *Display::GetDisplayFromNativeDisplay(EGLenum platform,
+                                              EGLNativeDisplayType nativeDisplay,
+                                              const AttributeMap &attribMap)
+{
+    Display *display = nullptr;
+
+    AttributeMap updatedAttribMap(attribMap);
+    UpdateAttribsFromEnvironment(updatedAttribMap);
+
+    EGLAttrib powerPreference =
+        updatedAttribMap.get(EGL_POWER_PREFERENCE_ANGLE, EGL_LOW_POWER_ANGLE);
+    EGLAttrib platformANGLEType =
+        updatedAttribMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
+    EGLAttrib deviceIdHigh = updatedAttribMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE, 0);
+    EGLAttrib deviceIdLow  = updatedAttribMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE, 0);
+    ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap();
+    ANGLEPlatformDisplay displayKey(nativeDisplay, powerPreference, platformANGLEType, deviceIdHigh,
+                                    deviceIdLow);
+    const auto &iter = displays->find(displayKey);
+    if (iter != displays->end())
+    {
+        display = iter->second;
+    }
+
+    if (display == nullptr)
+    {
+        // Validate the native display
+        if (!Display::isValidNativeDisplay(nativeDisplay))
+        {
+            return nullptr;
+        }
+
+        display = new Display(platform, nativeDisplay, nullptr);
+        displays->insert(std::make_pair(displayKey, display));
+    }
+    // Apply new attributes if the display is not initialized yet.
+    if (!display->isInitialized())
+    {
+        display->setAttributes(updatedAttribMap);
+
+        EGLAttrib displayType  = display->mAttributeMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE);
+        EGLAttrib deviceType   = display->mAttributeMap.get(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE);
+        EGLAttrib platformType = platform;
+        if (platform == EGL_PLATFORM_ANGLE_ANGLE)
+        {
+            platformType =
+                display->mAttributeMap.get(EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE);
+        }
+        rx::DisplayImpl *impl =
+            CreateDisplayFromAttribs(displayType, deviceType, platformType, display->getState());
+        if (impl == nullptr)
+        {
+            // No valid display implementation for these attributes
+            return nullptr;
+        }
+
+#if defined(ANGLE_USE_ANDROID_TLS_SLOT)
+        angle::gUseAndroidOpenGLTlsSlot = displayType == EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
+#endif  // defined(ANGLE_PLATFORM_ANDROID)
+
+        display->setupDisplayPlatform(impl);
+    }
+
+    return display;
+}
+
+// static
+Display *Display::GetExistingDisplayFromNativeDisplay(EGLNativeDisplayType nativeDisplay)
+{
+    ANGLEPlatformDisplayMap *displays = GetANGLEPlatformDisplayMap();
+    const auto &iter                  = displays->find(nativeDisplay);
+
+    // Check that there is a matching display
+    if (iter == displays->end())
+    {
+        return nullptr;
+    }
+
+    return iter->second;
+}
+
+// static
+Display *Display::GetDisplayFromDevice(Device *device, const AttributeMap &attribMap)
+{
+    Display *display = nullptr;
+
+    ASSERT(Device::IsValidDevice(device));
+
+    ANGLEPlatformDisplayMap *anglePlatformDisplays   = GetANGLEPlatformDisplayMap();
+    DevicePlatformDisplayMap *devicePlatformDisplays = GetDevicePlatformDisplayMap();
+
+    // First see if this eglDevice is in use by a Display created using ANGLE platform
+    for (auto &displayMapEntry : *anglePlatformDisplays)
+    {
+        egl::Display *iterDisplay = displayMapEntry.second;
+        if (iterDisplay->getDevice() == device)
+        {
+            display = iterDisplay;
+        }
+    }
+
+    if (display == nullptr)
+    {
+        // See if the eglDevice is in use by a Display created using the DEVICE platform
+        const auto &iter = devicePlatformDisplays->find(device);
+        if (iter != devicePlatformDisplays->end())
+        {
+            display = iter->second;
+        }
+    }
+
+    if (display == nullptr)
+    {
+        // Otherwise create a new Display
+        display = new Display(EGL_PLATFORM_DEVICE_EXT, 0, device);
+        devicePlatformDisplays->insert(std::make_pair(device, display));
+    }
+
+    // Apply new attributes if the display is not initialized yet.
+    if (!display->isInitialized())
+    {
+        display->setAttributes(attribMap);
+        rx::DisplayImpl *impl = CreateDisplayFromDevice(device, display->getState());
+        display->setupDisplayPlatform(impl);
+    }
+
+    return display;
+}
+
+// static
+Display::EglDisplaySet Display::GetEglDisplaySet()
+{
+    Display::EglDisplaySet displays;
+
+    ANGLEPlatformDisplayMap *anglePlatformDisplays   = GetANGLEPlatformDisplayMap();
+    DevicePlatformDisplayMap *devicePlatformDisplays = GetDevicePlatformDisplayMap();
+
+    for (auto anglePlatformDisplayMapEntry : *anglePlatformDisplays)
+    {
+        displays.insert(anglePlatformDisplayMapEntry.second);
+    }
+
+    for (auto devicePlatformDisplayMapEntry : *devicePlatformDisplays)
+    {
+        displays.insert(devicePlatformDisplayMapEntry.second);
+    }
+
+    return displays;
+}
+
+Display::Display(EGLenum platform, EGLNativeDisplayType displayId, Device *eglDevice)
+    : mState(displayId),
+      mImplementation(nullptr),
+      mGPUSwitchedBinding(this, kGPUSwitchedSubjectIndex),
+      mAttributeMap(),
+      mConfigSet(),
+      mStreamSet(),
+      mInvalidContextSet(),
+      mInvalidImageSet(),
+      mInvalidStreamSet(),
+      mInvalidSurfaceSet(),
+      mInvalidSyncSet(),
+      mInitialized(false),
+      mDeviceLost(false),
+      mCaps(),
+      mDisplayExtensions(),
+      mDisplayExtensionString(),
+      mVendorString(),
+      mVersionString(),
+      mDevice(eglDevice),
+      mSurface(nullptr),
+      mPlatform(platform),
+      mTextureManager(nullptr),
+      mSemaphoreManager(nullptr),
+      mBlobCache(gl::kDefaultMaxProgramCacheMemoryBytes),
+      mMemoryProgramCache(mBlobCache),
+      mMemoryShaderCache(mBlobCache),
+      mGlobalTextureShareGroupUsers(0),
+      mGlobalSemaphoreShareGroupUsers(0),
+      mTerminatedByApi(false),
+      mActiveThreads()
+{}
+
+Display::~Display()
+{
+    switch (mPlatform)
+    {
+        case EGL_PLATFORM_ANGLE_ANGLE:
+        case EGL_PLATFORM_GBM_KHR:
+        case EGL_PLATFORM_WAYLAND_EXT:
+        {
+            ANGLEPlatformDisplayMap *displays      = GetANGLEPlatformDisplayMap();
+            ANGLEPlatformDisplayMap::iterator iter = displays->find(ANGLEPlatformDisplay(
+                mState.displayId,
+                mAttributeMap.get(EGL_POWER_PREFERENCE_ANGLE, EGL_LOW_POWER_ANGLE),
+                mAttributeMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE,
+                                  EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE),
+                mAttributeMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE, 0),
+                mAttributeMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE, 0)));
+            if (iter != displays->end())
+            {
+                displays->erase(iter);
+            }
+            break;
+        }
+        case EGL_PLATFORM_DEVICE_EXT:
+        {
+            DevicePlatformDisplayMap *displays      = GetDevicePlatformDisplayMap();
+            DevicePlatformDisplayMap::iterator iter = displays->find(mDevice);
+            if (iter != displays->end())
+            {
+                displays->erase(iter);
+            }
+            break;
+        }
+        default:
+        {
+            UNREACHABLE();
+        }
+    }
+
+    SafeDelete(mDevice);
+    SafeDelete(mImplementation);
+}
+
+void Display::setLabel(EGLLabelKHR label)
+{
+    mState.label = label;
+}
+
+EGLLabelKHR Display::getLabel() const
+{
+    return mState.label;
+}
+
+void Display::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    ASSERT(index == kGPUSwitchedSubjectIndex);
+    ASSERT(message == angle::SubjectMessage::SubjectChanged);
+    for (gl::Context *context : mState.contextSet)
+    {
+        context->onGPUSwitch();
+    }
+}
+
+void Display::setupDisplayPlatform(rx::DisplayImpl *impl)
+{
+    ASSERT(!mInitialized);
+
+    ASSERT(impl != nullptr);
+    SafeDelete(mImplementation);
+    mImplementation = impl;
+
+    // TODO(anglebug.com/7365): Remove PlatformMethods.
+    const angle::PlatformMethods *platformMethods =
+        reinterpret_cast<const angle::PlatformMethods *>(
+            mAttributeMap.get(EGL_PLATFORM_ANGLE_PLATFORM_METHODS_ANGLEX, 0));
+    if (platformMethods != nullptr)
+    {
+        *ANGLEPlatformCurrent() = *platformMethods;
+    }
+    else
+    {
+        ANGLESetDefaultDisplayPlatform(this);
+    }
+
+    const char **featuresForceEnabled =
+        reinterpret_cast<const char **>(mAttributeMap.get(EGL_FEATURE_OVERRIDES_ENABLED_ANGLE, 0));
+    const char **featuresForceDisabled =
+        reinterpret_cast<const char **>(mAttributeMap.get(EGL_FEATURE_OVERRIDES_DISABLED_ANGLE, 0));
+    mState.featureOverridesEnabled  = EGLStringArrayToStringVector(featuresForceEnabled);
+    mState.featureOverridesDisabled = EGLStringArrayToStringVector(featuresForceDisabled);
+    mState.featuresAllDisabled =
+        static_cast<bool>(mAttributeMap.get(EGL_FEATURE_ALL_DISABLED_ANGLE, 0));
+    mImplementation->addObserver(&mGPUSwitchedBinding);
+}
+
+Error Display::initialize()
+{
+    mTerminatedByApi = false;
+
+    ASSERT(mImplementation != nullptr);
+    mImplementation->setBlobCache(&mBlobCache);
+
+    // Enable shader caching if debug layers are turned on. This allows us to test that shaders are
+    // properly saved & restored on all platforms. The cache won't allocate space until it's used
+    // and will be ignored entirely if the application / system sets it's own cache functions.
+    if (rx::ShouldUseDebugLayers(mAttributeMap))
+    {
+        mBlobCache.resize(1024 * 1024);
+    }
+
+    setGlobalDebugAnnotator();
+
+    gl::InitializeDebugMutexIfNeeded();
+
+    ANGLE_TRACE_EVENT0("gpu.angle", "egl::Display::initialize");
+
+    if (isInitialized())
+    {
+        return NoError();
+    }
+
+    Error error = mImplementation->initialize(this);
+    if (error.isError())
+    {
+        // Log extended error message here
+        ERR() << "ANGLE Display::initialize error " << error.getID() << ": " << error.getMessage();
+        return error;
+    }
+
+    mCaps = mImplementation->getCaps();
+
+    mConfigSet = mImplementation->generateConfigs();
+    if (mConfigSet.size() == 0)
+    {
+        mImplementation->terminate();
+        return EglNotInitialized() << "No configs were generated.";
+    }
+
+    // OpenGL ES1 is implemented in the frontend, explicitly add ES1 support to all configs
+    for (auto &config : mConfigSet)
+    {
+        // TODO(geofflang): Enable the conformant bit once we pass enough tests
+        // config.second.conformant |= EGL_OPENGL_ES_BIT;
+
+        config.second.renderableType |= EGL_OPENGL_ES_BIT;
+
+        // If we aren't using desktop GL entry points, remove desktop GL support from all configs
+#if !defined(ANGLE_ENABLE_GL_DESKTOP_FRONTEND)
+        config.second.renderableType &= ~EGL_OPENGL_BIT;
+#endif
+    }
+
+    if (!mState.featuresAllDisabled)
+    {
+        initializeFrontendFeatures();
+    }
+
+    mFeatures.clear();
+    mFrontendFeatures.populateFeatureList(&mFeatures);
+    mImplementation->populateFeatureList(&mFeatures);
+
+    initDisplayExtensions();
+    initVendorString();
+    initVersionString();
+    initClientAPIString();
+
+    // Populate the Display's EGLDeviceEXT if the Display wasn't created using one
+    if (mPlatform == EGL_PLATFORM_DEVICE_EXT)
+    {
+        // For EGL_PLATFORM_DEVICE_EXT, mDevice should always be populated using
+        // an external device
+        ASSERT(mDevice != nullptr);
+    }
+    else if (GetClientExtensions().deviceQueryEXT)
+    {
+        std::unique_ptr<rx::DeviceImpl> impl(mImplementation->createDevice());
+        ASSERT(impl);
+        error = impl->initialize();
+        if (error.isError())
+        {
+            ERR() << "Failed to initialize display because device creation failed: "
+                  << error.getMessage();
+            mImplementation->terminate();
+            return error;
+        }
+        // Don't leak Device memory.
+        ASSERT(mDevice == nullptr);
+        mDevice = new Device(this, impl.release());
+    }
+    else
+    {
+        mDevice = nullptr;
+    }
+
+    mInitialized = true;
+
+    return NoError();
+}
+
+Error Display::destroyInvalidEglObjects()
+{
+    // Destroy invalid EGL objects
+    while (!mInvalidContextSet.empty())
+    {
+        gl::Context *context = *mInvalidContextSet.begin();
+        context->setIsDestroyed();
+        ANGLE_TRY(releaseContextImpl(context, &mInvalidContextSet));
+    }
+
+    while (!mInvalidImageSet.empty())
+    {
+        destroyImageImpl(*mInvalidImageSet.begin(), &mInvalidImageSet);
+    }
+
+    while (!mInvalidStreamSet.empty())
+    {
+        destroyStreamImpl(*mInvalidStreamSet.begin(), &mInvalidStreamSet);
+    }
+
+    while (!mInvalidSurfaceSet.empty())
+    {
+        ANGLE_TRY(destroySurfaceImpl(*mInvalidSurfaceSet.begin(), &mInvalidSurfaceSet));
+    }
+
+    while (!mInvalidSyncSet.empty())
+    {
+        destroySyncImpl(*mInvalidSyncSet.begin(), &mInvalidSyncSet);
+    }
+
+    return NoError();
+}
+
+Error Display::terminate(Thread *thread, TerminateReason terminateReason)
+{
+    if (terminateReason == TerminateReason::Api)
+    {
+        mTerminatedByApi = true;
+    }
+
+    // All subsequent calls assume the display to be valid and terminated by app.
+    // If it is not terminated or if it isn't even initialized, early return.
+    if (!mTerminatedByApi || !mInitialized)
+    {
+        return NoError();
+    }
+
+    // EGL 1.5 Specification
+    // 3.2 Initialization
+    // Termination marks all EGL-specific resources, such as contexts and surfaces, associated
+    // with the specified display for deletion. Handles to all such resources are invalid as soon
+    // as eglTerminate returns. Cache EGL objects that are no longer valid.
+    //
+    // It is fairly common for apps to call eglTerminate while some contexts and/or surfaces are
+    // still current on some thread. Since objects are refCounted, trying to destroy them right away
+    // would only result in a decRef. We instead cache such invalid objects and use other EGL
+    // entrypoints like eglReleaseThread or thread exit events (on the Android platform) to
+    // perform the necessary cleanup.
+    mInvalidImageSet.insert(mImageSet.begin(), mImageSet.end());
+    mImageSet.clear();
+
+    mInvalidStreamSet.insert(mStreamSet.begin(), mStreamSet.end());
+    mStreamSet.clear();
+
+    mInvalidSurfaceSet.insert(mState.surfaceSet.begin(), mState.surfaceSet.end());
+    mState.surfaceSet.clear();
+
+    mInvalidSyncSet.insert(mSyncSet.begin(), mSyncSet.end());
+    mSyncSet.clear();
+
+    // Cache total number of contexts before invalidation. This is used as a check to verify that
+    // no context is "lost" while being moved between the various sets.
+    size_t contextSetSizeBeforeInvalidation = mState.contextSet.size() + mInvalidContextSet.size();
+
+    // If app called eglTerminate and no active threads remain,
+    // force realease any context that is still current.
+    ContextSet contextsStillCurrent = {};
+    for (gl::Context *context : mState.contextSet)
+    {
+        if (context->getRefCount() > 0)
+        {
+            if (terminateReason == TerminateReason::NoActiveThreads)
+            {
+                ASSERT(mTerminatedByApi);
+                context->release();
+                (void)context->unMakeCurrent(this);
+            }
+            else
+            {
+                contextsStillCurrent.emplace(context);
+                continue;
+            }
+        }
+
+        // Add context that is not current to mInvalidContextSet for cleanup.
+        mInvalidContextSet.emplace(context);
+    }
+
+    // There are many methods that require contexts that are still current to be present in
+    // display's contextSet like during context release or to notify of state changes in a subject.
+    // So as to not interrupt this flow, do not remove contexts that are still current on some
+    // thread from display's contextSet even though eglTerminate marks such contexts as invalid.
+    //
+    // "mState.contextSet" will now contain only those contexts that are still current on some
+    // thread.
+    mState.contextSet = std::move(contextsStillCurrent);
+
+    // Assert that the total number of contexts is the same before and after context invalidation.
+    ASSERT(contextSetSizeBeforeInvalidation ==
+           mState.contextSet.size() + mInvalidContextSet.size());
+
+    if (!mState.contextSet.empty())
+    {
+        // There was atleast 1 context that was current on some thread, early return.
+        return NoError();
+    }
+
+    mMemoryProgramCache.clear();
+    mMemoryShaderCache.clear();
+    mBlobCache.setBlobCacheFuncs(nullptr, nullptr);
+
+    // The global texture and semaphore managers should be deleted with the last context that uses
+    // it.
+    ASSERT(mGlobalTextureShareGroupUsers == 0 && mTextureManager == nullptr);
+    ASSERT(mGlobalSemaphoreShareGroupUsers == 0 && mSemaphoreManager == nullptr);
+
+    // Clean up all invalid objects
+    ANGLE_TRY(destroyInvalidEglObjects());
+
+    mConfigSet.clear();
+
+    if (mDevice != nullptr && mDevice->getOwningDisplay() != nullptr)
+    {
+        // Don't delete the device if it was created externally using eglCreateDeviceANGLE
+        // We also shouldn't set it to null in case eglInitialize() is called again later
+        SafeDelete(mDevice);
+    }
+
+    mImplementation->terminate();
+
+    mDeviceLost = false;
+
+    mInitialized = false;
+
+    gl::UninitializeDebugAnnotations();
+
+    // TODO(jmadill): Store Platform in Display and deinit here.
+    ANGLEResetDisplayPlatform(this);
+
+    return NoError();
+}
+
+Error Display::prepareForCall()
+{
+    return mImplementation->prepareForCall();
+}
+
+Error Display::releaseThread()
+{
+    ANGLE_TRY(mImplementation->releaseThread());
+    return destroyInvalidEglObjects();
+}
+
+void Display::addActiveThread(Thread *thread)
+{
+    mActiveThreads.insert(thread);
+}
+
+void Display::threadCleanup(Thread *thread)
+{
+    mActiveThreads.erase(thread);
+    const bool noActiveThreads = mActiveThreads.size() == 0;
+
+    (void)terminate(thread, noActiveThreads ? TerminateReason::NoActiveThreads
+                                            : TerminateReason::InternalCleanup);
+}
+
+std::vector<const Config *> Display::getConfigs(const egl::AttributeMap &attribs) const
+{
+    return mConfigSet.filter(attribs);
+}
+
+std::vector<const Config *> Display::chooseConfig(const egl::AttributeMap &attribs) const
+{
+    egl::AttributeMap attribsWithDefaults = AttributeMap();
+
+    // Insert default values for attributes that have either an Exact or Mask selection criteria,
+    // and a default value that matters (e.g. isn't EGL_DONT_CARE):
+    attribsWithDefaults.insert(EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER);
+    attribsWithDefaults.insert(EGL_LEVEL, 0);
+    attribsWithDefaults.insert(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT);
+    attribsWithDefaults.insert(EGL_SURFACE_TYPE, EGL_WINDOW_BIT);
+    attribsWithDefaults.insert(EGL_TRANSPARENT_TYPE, EGL_NONE);
+    if (getExtensions().pixelFormatFloat)
+    {
+        attribsWithDefaults.insert(EGL_COLOR_COMPONENT_TYPE_EXT,
+                                   EGL_COLOR_COMPONENT_TYPE_FIXED_EXT);
+    }
+
+    // Add the caller-specified values (Note: the poorly-named insert() method will replace any
+    // of the default values from above):
+    for (auto attribIter = attribs.begin(); attribIter != attribs.end(); attribIter++)
+    {
+        attribsWithDefaults.insert(attribIter->first, attribIter->second);
+    }
+
+    return mConfigSet.filter(attribsWithDefaults);
+}
+
+Error Display::createWindowSurface(const Config *configuration,
+                                   EGLNativeWindowType window,
+                                   const AttributeMap &attribs,
+                                   Surface **outSurface)
+{
+    if (mImplementation->testDeviceLost())
+    {
+        ANGLE_TRY(restoreLostDevice());
+    }
+
+    SurfacePointer surface(new WindowSurface(mImplementation, configuration, window, attribs,
+                                             mFrontendFeatures.forceRobustResourceInit.enabled),
+                           this);
+    ANGLE_TRY(surface->initialize(this));
+
+    ASSERT(outSurface != nullptr);
+    *outSurface = surface.release();
+    mState.surfaceSet.insert(*outSurface);
+
+    WindowSurfaceMap *windowSurfaces = GetWindowSurfaces();
+    ASSERT(windowSurfaces && windowSurfaces->find(window) == windowSurfaces->end());
+    windowSurfaces->insert(std::make_pair(window, *outSurface));
+
+    mSurface = *outSurface;
+
+    return NoError();
+}
+
+Error Display::createPbufferSurface(const Config *configuration,
+                                    const AttributeMap &attribs,
+                                    Surface **outSurface)
+{
+    ASSERT(isInitialized());
+
+    if (mImplementation->testDeviceLost())
+    {
+        ANGLE_TRY(restoreLostDevice());
+    }
+
+    SurfacePointer surface(new PbufferSurface(mImplementation, configuration, attribs,
+                                              mFrontendFeatures.forceRobustResourceInit.enabled),
+                           this);
+    ANGLE_TRY(surface->initialize(this));
+
+    ASSERT(outSurface != nullptr);
+    *outSurface = surface.release();
+    mState.surfaceSet.insert(*outSurface);
+
+    return NoError();
+}
+
+Error Display::createPbufferFromClientBuffer(const Config *configuration,
+                                             EGLenum buftype,
+                                             EGLClientBuffer clientBuffer,
+                                             const AttributeMap &attribs,
+                                             Surface **outSurface)
+{
+    ASSERT(isInitialized());
+
+    if (mImplementation->testDeviceLost())
+    {
+        ANGLE_TRY(restoreLostDevice());
+    }
+
+    SurfacePointer surface(
+        new PbufferSurface(mImplementation, configuration, buftype, clientBuffer, attribs,
+                           mFrontendFeatures.forceRobustResourceInit.enabled),
+        this);
+    ANGLE_TRY(surface->initialize(this));
+
+    ASSERT(outSurface != nullptr);
+    *outSurface = surface.release();
+    mState.surfaceSet.insert(*outSurface);
+
+    return NoError();
+}
+
+Error Display::createPixmapSurface(const Config *configuration,
+                                   NativePixmapType nativePixmap,
+                                   const AttributeMap &attribs,
+                                   Surface **outSurface)
+{
+    ASSERT(isInitialized());
+
+    if (mImplementation->testDeviceLost())
+    {
+        ANGLE_TRY(restoreLostDevice());
+    }
+
+    SurfacePointer surface(new PixmapSurface(mImplementation, configuration, nativePixmap, attribs,
+                                             mFrontendFeatures.forceRobustResourceInit.enabled),
+                           this);
+    ANGLE_TRY(surface->initialize(this));
+
+    ASSERT(outSurface != nullptr);
+    *outSurface = surface.release();
+    mState.surfaceSet.insert(*outSurface);
+
+    return NoError();
+}
+
+Error Display::createImage(const gl::Context *context,
+                           EGLenum target,
+                           EGLClientBuffer buffer,
+                           const AttributeMap &attribs,
+                           Image **outImage)
+{
+    ASSERT(isInitialized());
+
+    if (mImplementation->testDeviceLost())
+    {
+        ANGLE_TRY(restoreLostDevice());
+    }
+
+    egl::ImageSibling *sibling = nullptr;
+    if (IsTextureTarget(target))
+    {
+        sibling = context->getTexture({egl_gl::EGLClientBufferToGLObjectHandle(buffer)});
+    }
+    else if (IsRenderbufferTarget(target))
+    {
+        sibling = context->getRenderbuffer({egl_gl::EGLClientBufferToGLObjectHandle(buffer)});
+    }
+    else if (IsExternalImageTarget(target))
+    {
+        sibling = new ExternalImageSibling(mImplementation, context, target, buffer, attribs);
+    }
+    else
+    {
+        UNREACHABLE();
+    }
+    ASSERT(sibling != nullptr);
+
+    angle::UniqueObjectPointer<Image, Display> imagePtr(
+        new Image(mImplementation, context, target, sibling, attribs), this);
+    ANGLE_TRY(imagePtr->initialize(this));
+
+    Image *image = imagePtr.release();
+
+    ASSERT(outImage != nullptr);
+    *outImage = image;
+
+    // Add this image to the list of all images and hold a ref to it.
+    image->addRef();
+    mImageSet.insert(image);
+
+    return NoError();
+}
+
+Error Display::createStream(const AttributeMap &attribs, Stream **outStream)
+{
+    ASSERT(isInitialized());
+
+    Stream *stream = new Stream(this, attribs);
+
+    ASSERT(stream != nullptr);
+    mStreamSet.insert(stream);
+
+    ASSERT(outStream != nullptr);
+    *outStream = stream;
+
+    return NoError();
+}
+
+Error Display::createContext(const Config *configuration,
+                             gl::Context *shareContext,
+                             EGLenum clientType,
+                             const AttributeMap &attribs,
+                             gl::Context **outContext)
+{
+    ASSERT(!mTerminatedByApi);
+    ASSERT(isInitialized());
+
+    if (mImplementation->testDeviceLost())
+    {
+        ANGLE_TRY(restoreLostDevice());
+    }
+
+    // This display texture sharing will allow the first context to create the texture share group.
+    bool usingDisplayTextureShareGroup =
+        attribs.get(EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE, EGL_FALSE) == EGL_TRUE;
+    gl::TextureManager *shareTextures = nullptr;
+
+    if (usingDisplayTextureShareGroup)
+    {
+        ASSERT((mTextureManager == nullptr) == (mGlobalTextureShareGroupUsers == 0));
+        if (mTextureManager == nullptr)
+        {
+            mTextureManager = new gl::TextureManager();
+        }
+
+        mGlobalTextureShareGroupUsers++;
+        shareTextures = mTextureManager;
+    }
+
+    // This display semaphore sharing will allow the first context to create the semaphore share
+    // group.
+    bool usingDisplaySemaphoreShareGroup =
+        attribs.get(EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE, EGL_FALSE) == EGL_TRUE;
+    gl::SemaphoreManager *shareSemaphores = nullptr;
+    if (usingDisplaySemaphoreShareGroup)
+    {
+        ASSERT((mSemaphoreManager == nullptr) == (mGlobalSemaphoreShareGroupUsers == 0));
+        if (mSemaphoreManager == nullptr)
+        {
+            mSemaphoreManager = new gl::SemaphoreManager();
+        }
+
+        mGlobalSemaphoreShareGroupUsers++;
+        shareSemaphores = mSemaphoreManager;
+    }
+
+    gl::MemoryProgramCache *programCachePointer = &mMemoryProgramCache;
+    // Check context creation attributes to see if we are using EGL_ANGLE_program_cache_control.
+    // If not, keep caching enabled for EGL_ANDROID_blob_cache, which can have its callbacks set
+    // at any time.
+    bool usesProgramCacheControl = attribs.contains(EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE);
+    if (usesProgramCacheControl)
+    {
+        bool programCacheControlEnabled =
+            (attribs.get(EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE, GL_FALSE) == GL_TRUE);
+        // A program cache size of zero indicates it should be disabled.
+        if (!programCacheControlEnabled || mMemoryProgramCache.maxSize() == 0)
+        {
+            programCachePointer = nullptr;
+        }
+    }
+
+    gl::MemoryShaderCache *shaderCachePointer = &mMemoryShaderCache;
+    // Check if shader caching frontend feature is enabled.
+    if (!mFrontendFeatures.cacheCompiledShader.enabled)
+    {
+        shaderCachePointer = nullptr;
+    }
+
+    gl::Context *context = new gl::Context(
+        this, configuration, shareContext, shareTextures, shareSemaphores, programCachePointer,
+        shaderCachePointer, clientType, attribs, mDisplayExtensions, GetClientExtensions());
+    Error error = context->initialize();
+    if (error.isError())
+    {
+        delete context;
+        return error;
+    }
+
+    if (shareContext != nullptr)
+    {
+        shareContext->setShared();
+    }
+
+    ASSERT(context != nullptr);
+    mState.contextSet.insert(context);
+
+    ASSERT(outContext != nullptr);
+    *outContext = context;
+    return NoError();
+}
+
+Error Display::createSync(const gl::Context *currentContext,
+                          EGLenum type,
+                          const AttributeMap &attribs,
+                          Sync **outSync)
+{
+    ASSERT(isInitialized());
+
+    if (mImplementation->testDeviceLost())
+    {
+        ANGLE_TRY(restoreLostDevice());
+    }
+
+    angle::UniqueObjectPointer<egl::Sync, Display> syncPtr(new Sync(mImplementation, type, attribs),
+                                                           this);
+
+    ANGLE_TRY(syncPtr->initialize(this, currentContext));
+
+    Sync *sync = syncPtr.release();
+
+    sync->addRef();
+    mSyncSet.insert(sync);
+
+    *outSync = sync;
+    return NoError();
+}
+
+Error Display::makeCurrent(Thread *thread,
+                           gl::Context *previousContext,
+                           egl::Surface *drawSurface,
+                           egl::Surface *readSurface,
+                           gl::Context *context)
+{
+    if (!mInitialized)
+    {
+        return NoError();
+    }
+
+    bool contextChanged = context != previousContext;
+    if (previousContext != nullptr && contextChanged)
+    {
+        previousContext->release();
+        thread->setCurrent(nullptr);
+
+        auto error = previousContext->unMakeCurrent(this);
+        if (previousContext->getRefCount() == 0 && previousContext->isDestroyed())
+        {
+            // The previous Context may have been created with a different Display.
+            Display *previousDisplay = previousContext->getDisplay();
+            ANGLE_TRY(previousDisplay->releaseContext(previousContext, thread));
+        }
+        ANGLE_TRY(error);
+    }
+
+    thread->setCurrent(context);
+
+    ANGLE_TRY(mImplementation->makeCurrent(this, drawSurface, readSurface, context));
+
+    if (context != nullptr)
+    {
+        ANGLE_TRY(context->makeCurrent(this, drawSurface, readSurface));
+        if (contextChanged)
+        {
+            context->addRef();
+        }
+    }
+
+    // Tick all the scratch buffers to make sure they get cleaned up eventually if they stop being
+    // used.
+    {
+        std::lock_guard<std::mutex> lock(mScratchBufferMutex);
+
+        for (angle::ScratchBuffer &scatchBuffer : mScratchBuffers)
+        {
+            scatchBuffer.tick();
+        }
+        for (angle::ScratchBuffer &zeroFilledBuffer : mZeroFilledBuffers)
+        {
+            zeroFilledBuffer.tick();
+        }
+    }
+
+    return NoError();
+}
+
+Error Display::restoreLostDevice()
+{
+    for (ContextSet::iterator ctx = mState.contextSet.begin(); ctx != mState.contextSet.end();
+         ctx++)
+    {
+        if ((*ctx)->isResetNotificationEnabled())
+        {
+            // If reset notifications have been requested, application must delete all contexts
+            // first
+            return EglContextLost();
+        }
+    }
+
+    return mImplementation->restoreLostDevice(this);
+}
+
+Error Display::destroySurfaceImpl(Surface *surface, SurfaceSet *surfaces)
+{
+    if (surface->getType() == EGL_WINDOW_BIT)
+    {
+        WindowSurfaceMap *windowSurfaces = GetWindowSurfaces();
+        ASSERT(windowSurfaces);
+
+        bool surfaceRemoved = false;
+        for (WindowSurfaceMap::iterator iter = windowSurfaces->begin();
+             iter != windowSurfaces->end(); iter++)
+        {
+            if (iter->second == surface)
+            {
+                windowSurfaces->erase(iter);
+                surfaceRemoved = true;
+                break;
+            }
+        }
+
+        ASSERT(surfaceRemoved);
+    }
+
+    auto iter = surfaces->find(surface);
+    ASSERT(iter != surfaces->end());
+    surfaces->erase(iter);
+    ANGLE_TRY(surface->onDestroy(this));
+    return NoError();
+}
+
+void Display::destroyImageImpl(Image *image, ImageSet *images)
+{
+    auto iter = images->find(image);
+    ASSERT(iter != images->end());
+    (*iter)->release(this);
+    images->erase(iter);
+}
+
+void Display::destroyStreamImpl(Stream *stream, StreamSet *streams)
+{
+    streams->erase(stream);
+    SafeDelete(stream);
+}
+
+// releaseContext must be called with the context being deleted as current.
+// To do that we can only call this in two places, Display::makeCurrent at the point where this
+// context is being made uncurrent and in Display::destroyContext where we make the context current
+// as part of destruction.
+Error Display::releaseContext(gl::Context *context, Thread *thread)
+{
+    return releaseContextImpl(context, &mState.contextSet);
+}
+
+Error Display::releaseContextImpl(gl::Context *context, ContextSet *contexts)
+{
+    ASSERT(context->getRefCount() == 0);
+
+    // Use scoped_ptr to make sure the context is always freed.
+    std::unique_ptr<gl::Context> unique_context(context);
+    ASSERT(contexts->find(context) != contexts->end());
+    contexts->erase(context);
+
+    if (context->usingDisplayTextureShareGroup())
+    {
+        ASSERT(mGlobalTextureShareGroupUsers >= 1 && mTextureManager != nullptr);
+        if (mGlobalTextureShareGroupUsers == 1)
+        {
+            // If this is the last context using the global share group, destroy the global
+            // texture manager so that the textures can be destroyed while a context still
+            // exists
+            mTextureManager->release(context);
+            mTextureManager = nullptr;
+        }
+        mGlobalTextureShareGroupUsers--;
+    }
+
+    if (context->usingDisplaySemaphoreShareGroup())
+    {
+        ASSERT(mGlobalSemaphoreShareGroupUsers >= 1 && mSemaphoreManager != nullptr);
+        if (mGlobalSemaphoreShareGroupUsers == 1)
+        {
+            // If this is the last context using the global share group, destroy the global
+            // semaphore manager so that the semaphores can be destroyed while a context still
+            // exists
+            mSemaphoreManager->release(context);
+            mSemaphoreManager = nullptr;
+        }
+        mGlobalSemaphoreShareGroupUsers--;
+    }
+
+    ANGLE_TRY(context->onDestroy(this));
+
+    return NoError();
+}
+
+Error Display::destroyContext(Thread *thread, gl::Context *context)
+{
+    auto *currentContext     = thread->getContext();
+    auto *currentDrawSurface = thread->getCurrentDrawSurface();
+    auto *currentReadSurface = thread->getCurrentReadSurface();
+
+    context->setIsDestroyed();
+
+    // If the context is still current on at least 1 thread, just return since it'll be released
+    // once no threads have it current anymore.
+    if (context->getRefCount() > 0)
+    {
+        return NoError();
+    }
+
+    // For external context, we cannot change the current native context, and the API user should
+    // make sure the native context is current.
+    if (context->isExternal())
+    {
+        ANGLE_TRY(releaseContext(context, thread));
+    }
+    else
+    {
+        // Keep |currentContext| alive, while releasing |context|.
+        gl::ScopedContextRef scopedContextRef(currentContext);
+
+        // keep |currentDrawSurface| and |currentReadSurface| alive as well
+        // while releasing |context|.
+        ScopedSurfaceRef drawSurfaceRef(currentDrawSurface);
+        ScopedSurfaceRef readSurfaceRef(
+            currentReadSurface == currentDrawSurface ? nullptr : currentReadSurface);
+
+        // Make the context current, so we can release resources belong to the context, and then
+        // when context is released from the current, it will be destroyed.
+        // TODO(http://www.anglebug.com/6322): Don't require a Context to be current in order to
+        // destroy it.
+        ANGLE_TRY(makeCurrent(thread, currentContext, nullptr, nullptr, context));
+        ANGLE_TRY(
+            makeCurrent(thread, context, currentDrawSurface, currentReadSurface, currentContext));
+    }
+
+    // If eglTerminate() has previously been called and this is the last Context the Display owns,
+    // we can now fully terminate the display and release all of its resources.
+    if (mTerminatedByApi)
+    {
+        for (const gl::Context *ctx : mState.contextSet)
+        {
+            if (ctx->getRefCount() > 0)
+            {
+                return NoError();
+            }
+        }
+
+        return terminate(thread, TerminateReason::InternalCleanup);
+    }
+
+    return NoError();
+}
+
+void Display::destroySyncImpl(Sync *sync, SyncSet *syncs)
+{
+    auto iter = syncs->find(sync);
+    ASSERT(iter != syncs->end());
+    (*iter)->release(this);
+    syncs->erase(iter);
+}
+
+void Display::destroyImage(Image *image)
+{
+    return destroyImageImpl(image, &mImageSet);
+}
+
+void Display::destroyStream(Stream *stream)
+{
+    return destroyStreamImpl(stream, &mStreamSet);
+}
+
+Error Display::destroySurface(Surface *surface)
+{
+    return destroySurfaceImpl(surface, &mState.surfaceSet);
+}
+
+void Display::destroySync(Sync *sync)
+{
+    return destroySyncImpl(sync, &mSyncSet);
+}
+
+bool Display::isDeviceLost() const
+{
+    ASSERT(isInitialized());
+    return mDeviceLost;
+}
+
+bool Display::testDeviceLost()
+{
+    ASSERT(isInitialized());
+
+    if (!mDeviceLost && mImplementation->testDeviceLost())
+    {
+        notifyDeviceLost();
+    }
+
+    return mDeviceLost;
+}
+
+void Display::notifyDeviceLost()
+{
+    if (mDeviceLost)
+    {
+        return;
+    }
+
+    for (ContextSet::iterator context = mState.contextSet.begin();
+         context != mState.contextSet.end(); context++)
+    {
+        (*context)->markContextLost(gl::GraphicsResetStatus::UnknownContextReset);
+    }
+
+    mDeviceLost = true;
+}
+
+void Display::setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get)
+{
+    mBlobCache.setBlobCacheFuncs(set, get);
+    mImplementation->setBlobCacheFuncs(set, get);
+}
+
+// static
+EGLClientBuffer Display::GetNativeClientBuffer(const AHardwareBuffer *buffer)
+{
+    return angle::android::AHardwareBufferToClientBuffer(buffer);
+}
+
+// static
+Error Display::CreateNativeClientBuffer(const egl::AttributeMap &attribMap,
+                                        EGLClientBuffer *eglClientBuffer)
+{
+    int androidHardwareBufferFormat = gl::GetAndroidHardwareBufferFormatFromChannelSizes(attribMap);
+    int width                       = attribMap.getAsInt(EGL_WIDTH, 0);
+    int height                      = attribMap.getAsInt(EGL_HEIGHT, 0);
+    int usage                       = attribMap.getAsInt(EGL_NATIVE_BUFFER_USAGE_ANDROID, 0);
+
+    // https://developer.android.com/ndk/reference/group/a-hardware-buffer#ahardwarebuffer_lock
+    // for AHardwareBuffer_lock()
+    // The passed AHardwareBuffer must have one layer, otherwise the call will fail.
+    constexpr int kLayerCount = 1;
+
+    *eglClientBuffer = angle::android::CreateEGLClientBufferFromAHardwareBuffer(
+        width, height, kLayerCount, androidHardwareBufferFormat, usage);
+
+    return (*eglClientBuffer == nullptr)
+               ? egl::EglBadParameter() << "native client buffer allocation failed."
+               : NoError();
+}
+
+Error Display::waitClient(const gl::Context *context)
+{
+    return mImplementation->waitClient(context);
+}
+
+Error Display::waitNative(const gl::Context *context, EGLint engine)
+{
+    return mImplementation->waitNative(context, engine);
+}
+
+const Caps &Display::getCaps() const
+{
+    return mCaps;
+}
+
+bool Display::isInitialized() const
+{
+    return mInitialized;
+}
+
+bool Display::isValidConfig(const Config *config) const
+{
+    return mConfigSet.contains(config);
+}
+
+bool Display::isValidContext(const gl::Context *context) const
+{
+    return mState.contextSet.find(const_cast<gl::Context *>(context)) != mState.contextSet.end();
+}
+
+bool Display::isValidSurface(const Surface *surface) const
+{
+    return mState.surfaceSet.find(const_cast<Surface *>(surface)) != mState.surfaceSet.end();
+}
+
+bool Display::isValidImage(const Image *image) const
+{
+    return mImageSet.find(const_cast<Image *>(image)) != mImageSet.end();
+}
+
+bool Display::isValidStream(const Stream *stream) const
+{
+    return mStreamSet.find(const_cast<Stream *>(stream)) != mStreamSet.end();
+}
+
+bool Display::isValidSync(const Sync *sync) const
+{
+    return mSyncSet.find(const_cast<Sync *>(sync)) != mSyncSet.end();
+}
+
+bool Display::hasExistingWindowSurface(EGLNativeWindowType window)
+{
+    WindowSurfaceMap *windowSurfaces = GetWindowSurfaces();
+    ASSERT(windowSurfaces);
+
+    return windowSurfaces->find(window) != windowSurfaces->end();
+}
+
+static ClientExtensions GenerateClientExtensions()
+{
+    ClientExtensions extensions;
+
+    extensions.clientExtensions = true;
+    extensions.platformBase     = true;
+    extensions.platformANGLE    = true;
+
+#if defined(ANGLE_ENABLE_D3D9) || defined(ANGLE_ENABLE_D3D11)
+    extensions.platformANGLED3D = true;
+    extensions.platformDevice   = true;
+#endif
+
+#if defined(ANGLE_USE_GBM)
+    extensions.platformGbmKHR = true;
+#endif
+
+#if defined(ANGLE_USE_WAYLAND)
+    extensions.platformWaylandEXT = true;
+#endif
+
+#if defined(ANGLE_ENABLE_D3D11)
+#    if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    extensions.platformANGLED3D11ON12 = true;
+#    else
+    extensions.platformANGLED3D11ON12 = IsWindows10OrGreater();
+#    endif
+    extensions.platformANGLEDeviceId = true;
+#endif
+
+#if defined(ANGLE_ENABLE_OPENGL)
+    extensions.platformANGLEOpenGL = true;
+#endif
+
+#if defined(ANGLE_ENABLE_NULL)
+    extensions.platformANGLENULL = true;
+#endif
+
+#if defined(ANGLE_ENABLE_D3D11)
+    extensions.deviceCreation          = true;
+    extensions.deviceCreationD3D11     = true;
+    extensions.experimentalPresentPath = true;
+#endif
+
+#if defined(ANGLE_ENABLE_VULKAN)
+    extensions.platformANGLEVulkan   = true;
+    extensions.platformANGLEDeviceId = true;
+#endif
+
+#if defined(ANGLE_ENABLE_SWIFTSHADER)
+    extensions.platformANGLEDeviceTypeSwiftShader = true;
+#endif
+
+#if defined(ANGLE_ENABLE_METAL)
+    extensions.platformANGLEMetal    = true;
+    extensions.platformANGLEDeviceId = true;
+#endif
+
+#if defined(ANGLE_USE_X11)
+    extensions.x11Visual = true;
+#endif
+
+#if defined(ANGLE_PLATFORM_LINUX)
+    extensions.platformANGLEDeviceTypeEGLANGLE = true;
+#endif
+
+#if (defined(ANGLE_PLATFORM_IOS) && !defined(ANGLE_PLATFORM_MACCATALYST)) || \
+    (defined(ANGLE_PLATFORM_MACCATALYST) && defined(ANGLE_CPU_ARM64))
+    extensions.platformANGLEDeviceContextVolatileEagl = true;
+#endif
+
+#if defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_MACCATALYST)
+    extensions.platformANGLEDeviceContextVolatileCgl = true;
+#endif
+
+#if defined(ANGLE_ENABLE_METAL)
+    extensions.displayPowerPreferenceANGLE = true;
+#endif
+
+    extensions.clientGetAllProcAddresses = true;
+    extensions.debug                     = true;
+    extensions.featureControlANGLE       = true;
+    extensions.deviceQueryEXT            = true;
+
+    return extensions;
+}
+
+template <typename T>
+static std::string GenerateExtensionsString(const T &extensions)
+{
+    std::vector<std::string> extensionsVector = extensions.getStrings();
+
+    std::ostringstream stream;
+    std::copy(extensionsVector.begin(), extensionsVector.end(),
+              std::ostream_iterator<std::string>(stream, " "));
+    return stream.str();
+}
+
+// static
+const ClientExtensions &Display::GetClientExtensions()
+{
+    static const ClientExtensions clientExtensions = GenerateClientExtensions();
+    return clientExtensions;
+}
+
+// static
+const std::string &Display::GetClientExtensionString()
+{
+    static const angle::base::NoDestructor<std::string> clientExtensionsString(
+        GenerateExtensionsString(GetClientExtensions()));
+    return *clientExtensionsString;
+}
+
+void Display::initDisplayExtensions()
+{
+    mDisplayExtensions = mImplementation->getExtensions();
+
+    // Some extensions are always available because they are implemented in the EGL layer.
+    mDisplayExtensions.createContext        = true;
+    mDisplayExtensions.createContextNoError = !mFrontendFeatures.forceGlErrorChecking.enabled;
+    mDisplayExtensions.createContextWebGLCompatibility    = true;
+    mDisplayExtensions.createContextBindGeneratesResource = true;
+    mDisplayExtensions.createContextClientArrays          = true;
+    mDisplayExtensions.pixelFormatFloat                   = true;
+    mDisplayExtensions.reusableSyncKHR                    = true;
+
+    // Force EGL_KHR_get_all_proc_addresses on.
+    mDisplayExtensions.getAllProcAddresses = true;
+
+    // Enable program cache control since it is not back-end dependent.
+    mDisplayExtensions.programCacheControlANGLE = true;
+
+    // Request extension is implemented in the ANGLE frontend
+    mDisplayExtensions.createContextExtensionsEnabled = true;
+
+    // Blob cache extension is provided by the ANGLE frontend
+    mDisplayExtensions.blobCache = true;
+
+    // The EGL_ANDROID_recordable extension is provided by the ANGLE frontend, and will always
+    // say that ANativeWindow is not recordable.
+    mDisplayExtensions.recordable = true;
+
+    // All backends support specific context versions
+    mDisplayExtensions.createContextBackwardsCompatible = true;
+
+    mDisplayExtensionString = GenerateExtensionsString(mDisplayExtensions);
+}
+
+bool Display::isValidNativeWindow(EGLNativeWindowType window) const
+{
+    return mImplementation->isValidNativeWindow(window);
+}
+
+Error Display::validateClientBuffer(const Config *configuration,
+                                    EGLenum buftype,
+                                    EGLClientBuffer clientBuffer,
+                                    const AttributeMap &attribs) const
+{
+    return mImplementation->validateClientBuffer(configuration, buftype, clientBuffer, attribs);
+}
+
+Error Display::validateImageClientBuffer(const gl::Context *context,
+                                         EGLenum target,
+                                         EGLClientBuffer clientBuffer,
+                                         const egl::AttributeMap &attribs) const
+{
+    return mImplementation->validateImageClientBuffer(context, target, clientBuffer, attribs);
+}
+
+Error Display::valdiatePixmap(const Config *config,
+                              EGLNativePixmapType pixmap,
+                              const AttributeMap &attributes) const
+{
+    return mImplementation->validatePixmap(config, pixmap, attributes);
+}
+
+bool Display::isValidDisplay(const egl::Display *display)
+{
+    const ANGLEPlatformDisplayMap *anglePlatformDisplayMap = GetANGLEPlatformDisplayMap();
+    for (const auto &displayPair : *anglePlatformDisplayMap)
+    {
+        if (displayPair.second == display)
+        {
+            return true;
+        }
+    }
+
+    const DevicePlatformDisplayMap *devicePlatformDisplayMap = GetDevicePlatformDisplayMap();
+    for (const auto &displayPair : *devicePlatformDisplayMap)
+    {
+        if (displayPair.second == display)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool Display::isValidNativeDisplay(EGLNativeDisplayType display)
+{
+    // TODO(jmadill): handle this properly
+    if (display == EGL_DEFAULT_DISPLAY)
+    {
+        return true;
+    }
+
+#if defined(ANGLE_PLATFORM_WINDOWS) && !defined(ANGLE_ENABLE_WINDOWS_UWP)
+    if (display == EGL_SOFTWARE_DISPLAY_ANGLE || display == EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE ||
+        display == EGL_D3D11_ONLY_DISPLAY_ANGLE)
+    {
+        return true;
+    }
+    return (WindowFromDC(display) != nullptr);
+#else
+    return true;
+#endif
+}
+
+void Display::initVendorString()
+{
+    mVendorString                = "Google Inc.";
+    std::string vendorStringImpl = mImplementation->getVendorString();
+    if (!vendorStringImpl.empty())
+    {
+        mVendorString += " (" + vendorStringImpl + ")";
+    }
+}
+
+void Display::initVersionString()
+{
+    mVersionString = mImplementation->getVersionString(true);
+}
+
+void Display::initClientAPIString()
+{
+    // If the max supported desktop version is not None, we support a desktop GL frontend.
+    if (mImplementation->getMaxSupportedDesktopVersion().valid())
+    {
+        mClientAPIString = "OpenGL_ES OpenGL";
+    }
+    else
+    {
+        mClientAPIString = "OpenGL_ES";
+    }
+}
+
+void Display::initializeFrontendFeatures()
+{
+    // Enable on all Impls
+    ANGLE_FEATURE_CONDITION((&mFrontendFeatures), loseContextOnOutOfMemory, true);
+    ANGLE_FEATURE_CONDITION((&mFrontendFeatures), allowCompressedFormats, true);
+
+    // No longer enable this on any Impl - crbug.com/1165751
+    ANGLE_FEATURE_CONDITION((&mFrontendFeatures), scalarizeVecAndMatConstructorArgs, false);
+
+    // Disabled by default. To reduce the risk, create a feature to enable
+    // compressing pipeline cache in multi-thread pool.
+    ANGLE_FEATURE_CONDITION(&mFrontendFeatures, enableCompressingPipelineCacheInThreadPool, false);
+
+    // Disabled by default until work on the extension is complete - anglebug.com/7279.
+    ANGLE_FEATURE_CONDITION(&mFrontendFeatures, emulatePixelLocalStorage, false);
+
+    mImplementation->initializeFrontendFeatures(&mFrontendFeatures);
+
+    rx::ApplyFeatureOverrides(&mFrontendFeatures, mState);
+}
+
+const DisplayExtensions &Display::getExtensions() const
+{
+    return mDisplayExtensions;
+}
+
+const std::string &Display::getExtensionString() const
+{
+    return mDisplayExtensionString;
+}
+
+const std::string &Display::getVendorString() const
+{
+    return mVendorString;
+}
+
+const std::string &Display::getVersionString() const
+{
+    return mVersionString;
+}
+
+const std::string &Display::getClientAPIString() const
+{
+    return mClientAPIString;
+}
+
+std::string Display::getBackendRendererDescription() const
+{
+    return mImplementation->getRendererDescription();
+}
+
+std::string Display::getBackendVendorString() const
+{
+    return mImplementation->getVendorString();
+}
+
+std::string Display::getBackendVersionString(bool includeFullVersion) const
+{
+    return mImplementation->getVersionString(includeFullVersion);
+}
+
+Device *Display::getDevice() const
+{
+    return mDevice;
+}
+
+Surface *Display::getWGLSurface() const
+{
+    return mSurface;
+}
+
+gl::Version Display::getMaxSupportedESVersion() const
+{
+    return mImplementation->getMaxSupportedESVersion();
+}
+
+EGLint Display::programCacheGetAttrib(EGLenum attrib) const
+{
+    switch (attrib)
+    {
+        case EGL_PROGRAM_CACHE_KEY_LENGTH_ANGLE:
+            return static_cast<EGLint>(BlobCache::kKeyLength);
+
+        case EGL_PROGRAM_CACHE_SIZE_ANGLE:
+            return static_cast<EGLint>(mMemoryProgramCache.entryCount());
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+Error Display::programCacheQuery(EGLint index,
+                                 void *key,
+                                 EGLint *keysize,
+                                 void *binary,
+                                 EGLint *binarysize)
+{
+    ASSERT(index >= 0 && index < static_cast<EGLint>(mMemoryProgramCache.entryCount()));
+
+    const BlobCache::Key *programHash = nullptr;
+    BlobCache::Value programBinary;
+    // TODO(jmadill): Make this thread-safe.
+    bool result =
+        mMemoryProgramCache.getAt(static_cast<size_t>(index), &programHash, &programBinary);
+    if (!result)
+    {
+        return EglBadAccess() << "Program binary not accessible.";
+    }
+
+    ASSERT(keysize && binarysize);
+
+    if (key)
+    {
+        ASSERT(*keysize == static_cast<EGLint>(BlobCache::kKeyLength));
+        memcpy(key, programHash->data(), BlobCache::kKeyLength);
+    }
+
+    if (binary)
+    {
+        // Note: we check the size here instead of in the validation code, since we need to
+        // access the cache as atomically as possible. It's possible that the cache contents
+        // could change between the validation size check and the retrieval.
+        if (programBinary.size() > static_cast<size_t>(*binarysize))
+        {
+            return EglBadAccess() << "Program binary too large or changed during access.";
+        }
+
+        memcpy(binary, programBinary.data(), programBinary.size());
+    }
+
+    *binarysize = static_cast<EGLint>(programBinary.size());
+    *keysize    = static_cast<EGLint>(BlobCache::kKeyLength);
+
+    return NoError();
+}
+
+Error Display::programCachePopulate(const void *key,
+                                    EGLint keysize,
+                                    const void *binary,
+                                    EGLint binarysize)
+{
+    ASSERT(keysize == static_cast<EGLint>(BlobCache::kKeyLength));
+
+    BlobCache::Key programHash;
+    memcpy(programHash.data(), key, BlobCache::kKeyLength);
+
+    if (!mMemoryProgramCache.putBinary(programHash, reinterpret_cast<const uint8_t *>(binary),
+                                       static_cast<size_t>(binarysize)))
+    {
+        return EglBadAccess() << "Failed to copy program binary into the cache.";
+    }
+
+    return NoError();
+}
+
+EGLint Display::programCacheResize(EGLint limit, EGLenum mode)
+{
+    switch (mode)
+    {
+        case EGL_PROGRAM_CACHE_RESIZE_ANGLE:
+        {
+            size_t initialSize = mMemoryProgramCache.size();
+            mMemoryProgramCache.resize(static_cast<size_t>(limit));
+            return static_cast<EGLint>(initialSize);
+        }
+
+        case EGL_PROGRAM_CACHE_TRIM_ANGLE:
+            return static_cast<EGLint>(mMemoryProgramCache.trim(static_cast<size_t>(limit)));
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+void Display::overrideFrontendFeatures(const std::vector<std::string> &featureNames, bool enabled)
+{
+    mFrontendFeatures.overrideFeatures(featureNames, enabled);
+}
+
+const char *Display::queryStringi(const EGLint name, const EGLint index)
+{
+    const char *result = nullptr;
+    switch (name)
+    {
+        case EGL_FEATURE_NAME_ANGLE:
+            result = mFeatures[index]->name;
+            break;
+        case EGL_FEATURE_CATEGORY_ANGLE:
+            result = angle::FeatureCategoryToString(mFeatures[index]->category);
+            break;
+        case EGL_FEATURE_DESCRIPTION_ANGLE:
+            result = mFeatures[index]->description;
+            break;
+        case EGL_FEATURE_BUG_ANGLE:
+            result = mFeatures[index]->bug;
+            break;
+        case EGL_FEATURE_STATUS_ANGLE:
+            result = angle::FeatureStatusToString(mFeatures[index]->enabled);
+            break;
+        case EGL_FEATURE_CONDITION_ANGLE:
+            result = mFeatures[index]->condition;
+            break;
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+    return result;
+}
+
+EGLAttrib Display::queryAttrib(const EGLint attribute)
+{
+    EGLAttrib value = 0;
+    switch (attribute)
+    {
+        case EGL_DEVICE_EXT:
+            value = reinterpret_cast<EGLAttrib>(mDevice);
+            break;
+
+        case EGL_FEATURE_COUNT_ANGLE:
+            value = mFeatures.size();
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+    return value;
+}
+
+angle::ScratchBuffer Display::requestScratchBuffer()
+{
+    return requestScratchBufferImpl(&mScratchBuffers);
+}
+
+void Display::returnScratchBuffer(angle::ScratchBuffer scratchBuffer)
+{
+    returnScratchBufferImpl(std::move(scratchBuffer), &mScratchBuffers);
+}
+
+angle::ScratchBuffer Display::requestZeroFilledBuffer()
+{
+    return requestScratchBufferImpl(&mZeroFilledBuffers);
+}
+
+void Display::returnZeroFilledBuffer(angle::ScratchBuffer zeroFilledBuffer)
+{
+    returnScratchBufferImpl(std::move(zeroFilledBuffer), &mZeroFilledBuffers);
+}
+
+angle::ScratchBuffer Display::requestScratchBufferImpl(
+    std::vector<angle::ScratchBuffer> *bufferVector)
+{
+    std::lock_guard<std::mutex> lock(mScratchBufferMutex);
+    if (!bufferVector->empty())
+    {
+        angle::ScratchBuffer buffer = std::move(bufferVector->back());
+        bufferVector->pop_back();
+        return buffer;
+    }
+
+    return angle::ScratchBuffer(kScratchBufferLifetime);
+}
+
+void Display::returnScratchBufferImpl(angle::ScratchBuffer scratchBuffer,
+                                      std::vector<angle::ScratchBuffer> *bufferVector)
+{
+    std::lock_guard<std::mutex> lock(mScratchBufferMutex);
+    bufferVector->push_back(std::move(scratchBuffer));
+}
+
+Error Display::handleGPUSwitch()
+{
+    ANGLE_TRY(mImplementation->handleGPUSwitch());
+    initVendorString();
+    return NoError();
+}
+
+Error Display::forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow)
+{
+    ANGLE_TRY(mImplementation->forceGPUSwitch(gpuIDHigh, gpuIDLow));
+    initVendorString();
+    return NoError();
+}
+
+bool Display::supportsDmaBufFormat(EGLint format) const
+{
+    return mImplementation->supportsDmaBufFormat(format);
+}
+
+Error Display::queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats)
+{
+    ANGLE_TRY(mImplementation->queryDmaBufFormats(max_formats, formats, num_formats));
+    return NoError();
+}
+
+Error Display::queryDmaBufModifiers(EGLint format,
+                                    EGLint max_modifiers,
+                                    EGLuint64KHR *modifiers,
+                                    EGLBoolean *external_only,
+                                    EGLint *num_modifiers)
+{
+    ANGLE_TRY(mImplementation->queryDmaBufModifiers(format, max_modifiers, modifiers, external_only,
+                                                    num_modifiers));
+    return NoError();
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Display.h b/gfx/angle/checkout/src/libANGLE/Display.h
new file mode 100644
index 0000000000..da00026e7b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Display.h
@@ -0,0 +1,427 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Display.h: Defines the egl::Display class, representing the abstract
+// display on which graphics are drawn. Implements EGLDisplay.
+// [EGL 1.4] section 2.1.2 page 3.
+
+#ifndef LIBANGLE_DISPLAY_H_
+#define LIBANGLE_DISPLAY_H_
+
+#include <mutex>
+#include <set>
+#include <vector>
+
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/BlobCache.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/LoggingAnnotator.h"
+#include "libANGLE/MemoryProgramCache.h"
+#include "libANGLE/MemoryShaderCache.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/Version.h"
+#include "platform/Feature.h"
+#include "platform/FrontendFeatures_autogen.h"
+
+namespace angle
+{
+class FrameCaptureShared;
+}  // namespace angle
+
+namespace gl
+{
+class Context;
+class TextureManager;
+class SemaphoreManager;
+}  // namespace gl
+
+namespace rx
+{
+class DisplayImpl;
+class EGLImplFactory;
+class ShareGroupImpl;
+}  // namespace rx
+
+namespace egl
+{
+class Device;
+class Image;
+class Stream;
+class Surface;
+class Sync;
+class Thread;
+
+using ContextSet = angle::HashSet<gl::Context *>;
+using SurfaceSet = angle::HashSet<Surface *>;
+using ThreadSet  = angle::HashSet<Thread *>;
+
+struct DisplayState final : private angle::NonCopyable
+{
+    DisplayState(EGLNativeDisplayType nativeDisplayId);
+    ~DisplayState();
+
+    EGLLabelKHR label;
+    ContextSet contextSet;
+    SurfaceSet surfaceSet;
+    std::vector<std::string> featureOverridesEnabled;
+    std::vector<std::string> featureOverridesDisabled;
+    bool featuresAllDisabled;
+    EGLNativeDisplayType displayId;
+};
+
+class ShareGroup final : angle::NonCopyable
+{
+  public:
+    ShareGroup(rx::EGLImplFactory *factory);
+
+    void addRef();
+
+    void release(const egl::Display *display);
+
+    rx::ShareGroupImpl *getImplementation() const { return mImplementation; }
+
+    rx::Serial generateFramebufferSerial() { return mFramebufferSerialFactory.generate(); }
+
+    angle::FrameCaptureShared *getFrameCaptureShared() { return mFrameCaptureShared.get(); }
+
+    void finishAllContexts();
+
+    const ContextSet &getContexts() const { return mContexts; }
+    void addSharedContext(gl::Context *context);
+    void removeSharedContext(gl::Context *context);
+
+    size_t getShareGroupContextCount() const { return mContexts.size(); }
+
+  protected:
+    ~ShareGroup();
+
+  private:
+    size_t mRefCount;
+    rx::ShareGroupImpl *mImplementation;
+    rx::SerialFactory mFramebufferSerialFactory;
+
+    // Note: we use a raw pointer here so we can exclude frame capture sources from the build.
+    std::unique_ptr<angle::FrameCaptureShared> mFrameCaptureShared;
+
+    // The list of contexts within the share group
+    ContextSet mContexts;
+};
+
+// Constant coded here as a reasonable limit.
+constexpr EGLAttrib kProgramCacheSizeAbsoluteMax = 0x4000000;
+
+class Display final : public LabeledObject,
+                      public angle::ObserverInterface,
+                      public angle::NonCopyable
+{
+  public:
+    ~Display() override;
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    // Observer implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    Error initialize();
+
+    enum class TerminateReason
+    {
+        Api,
+        InternalCleanup,
+        NoActiveThreads,
+
+        InvalidEnum,
+        EnumCount = InvalidEnum,
+    };
+    Error terminate(Thread *thread, TerminateReason terminateReason);
+    // Called before all display state dependent EGL functions. Backends can set up, for example,
+    // thread-specific backend state through this function. Not called for functions that do not
+    // need the state.
+    Error prepareForCall();
+    // Called on eglReleaseThread. Backends can tear down thread-specific backend state through
+    // this function.
+    Error releaseThread();
+
+    // Helpers to maintain active thread set to assist with freeing invalid EGL objects.
+    void addActiveThread(Thread *thread);
+    void threadCleanup(Thread *thread);
+
+    static Display *GetDisplayFromDevice(Device *device, const AttributeMap &attribMap);
+    static Display *GetDisplayFromNativeDisplay(EGLenum platform,
+                                                EGLNativeDisplayType nativeDisplay,
+                                                const AttributeMap &attribMap);
+    static Display *GetExistingDisplayFromNativeDisplay(EGLNativeDisplayType nativeDisplay);
+
+    using EglDisplaySet = angle::HashSet<Display *>;
+    static EglDisplaySet GetEglDisplaySet();
+
+    static const ClientExtensions &GetClientExtensions();
+    static const std::string &GetClientExtensionString();
+
+    std::vector<const Config *> getConfigs(const AttributeMap &attribs) const;
+    std::vector<const Config *> chooseConfig(const AttributeMap &attribs) const;
+
+    Error createWindowSurface(const Config *configuration,
+                              EGLNativeWindowType window,
+                              const AttributeMap &attribs,
+                              Surface **outSurface);
+    Error createPbufferSurface(const Config *configuration,
+                               const AttributeMap &attribs,
+                               Surface **outSurface);
+    Error createPbufferFromClientBuffer(const Config *configuration,
+                                        EGLenum buftype,
+                                        EGLClientBuffer clientBuffer,
+                                        const AttributeMap &attribs,
+                                        Surface **outSurface);
+    Error createPixmapSurface(const Config *configuration,
+                              NativePixmapType nativePixmap,
+                              const AttributeMap &attribs,
+                              Surface **outSurface);
+
+    Error createImage(const gl::Context *context,
+                      EGLenum target,
+                      EGLClientBuffer buffer,
+                      const AttributeMap &attribs,
+                      Image **outImage);
+
+    Error createStream(const AttributeMap &attribs, Stream **outStream);
+
+    Error createContext(const Config *configuration,
+                        gl::Context *shareContext,
+                        const EGLenum clientType,
+                        const AttributeMap &attribs,
+                        gl::Context **outContext);
+
+    Error createSync(const gl::Context *currentContext,
+                     EGLenum type,
+                     const AttributeMap &attribs,
+                     Sync **outSync);
+
+    Error makeCurrent(Thread *thread,
+                      gl::Context *previousContext,
+                      Surface *drawSurface,
+                      Surface *readSurface,
+                      gl::Context *context);
+
+    Error destroySurface(Surface *surface);
+    void destroyImage(Image *image);
+    void destroyStream(Stream *stream);
+    Error destroyContext(Thread *thread, gl::Context *context);
+
+    void destroySync(Sync *sync);
+
+    bool isInitialized() const;
+    bool isValidConfig(const Config *config) const;
+    bool isValidContext(const gl::Context *context) const;
+    bool isValidSurface(const Surface *surface) const;
+    bool isValidImage(const Image *image) const;
+    bool isValidStream(const Stream *stream) const;
+    bool isValidSync(const Sync *sync) const;
+    bool isValidNativeWindow(EGLNativeWindowType window) const;
+
+    Error validateClientBuffer(const Config *configuration,
+                               EGLenum buftype,
+                               EGLClientBuffer clientBuffer,
+                               const AttributeMap &attribs) const;
+    Error validateImageClientBuffer(const gl::Context *context,
+                                    EGLenum target,
+                                    EGLClientBuffer clientBuffer,
+                                    const egl::AttributeMap &attribs) const;
+    Error valdiatePixmap(const Config *config,
+                         EGLNativePixmapType pixmap,
+                         const AttributeMap &attributes) const;
+
+    static bool isValidDisplay(const Display *display);
+    static bool isValidNativeDisplay(EGLNativeDisplayType display);
+    static bool hasExistingWindowSurface(EGLNativeWindowType window);
+
+    bool isDeviceLost() const;
+    bool testDeviceLost();
+    void notifyDeviceLost();
+
+    void setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
+    bool areBlobCacheFuncsSet() const { return mBlobCache.areBlobCacheFuncsSet(); }
+    BlobCache &getBlobCache() { return mBlobCache; }
+
+    static EGLClientBuffer GetNativeClientBuffer(const struct AHardwareBuffer *buffer);
+    static Error CreateNativeClientBuffer(const egl::AttributeMap &attribMap,
+                                          EGLClientBuffer *eglClientBuffer);
+
+    Error waitClient(const gl::Context *context);
+    Error waitNative(const gl::Context *context, EGLint engine);
+
+    const Caps &getCaps() const;
+
+    const DisplayExtensions &getExtensions() const;
+    const std::string &getExtensionString() const;
+    const std::string &getVendorString() const;
+    const std::string &getVersionString() const;
+    const std::string &getClientAPIString() const;
+
+    std::string getBackendRendererDescription() const;
+    std::string getBackendVendorString() const;
+    std::string getBackendVersionString(bool includeFullVersion) const;
+
+    EGLint programCacheGetAttrib(EGLenum attrib) const;
+    Error programCacheQuery(EGLint index,
+                            void *key,
+                            EGLint *keysize,
+                            void *binary,
+                            EGLint *binarysize);
+    Error programCachePopulate(const void *key,
+                               EGLint keysize,
+                               const void *binary,
+                               EGLint binarysize);
+    EGLint programCacheResize(EGLint limit, EGLenum mode);
+
+    const AttributeMap &getAttributeMap() const { return mAttributeMap; }
+    EGLNativeDisplayType getNativeDisplayId() const { return mState.displayId; }
+
+    rx::DisplayImpl *getImplementation() const { return mImplementation; }
+    Device *getDevice() const;
+    Surface *getWGLSurface() const;
+    EGLenum getPlatform() const { return mPlatform; }
+
+    gl::Version getMaxSupportedESVersion() const;
+
+    const DisplayState &getState() const { return mState; }
+
+    const angle::FrontendFeatures &getFrontendFeatures() { return mFrontendFeatures; }
+    void overrideFrontendFeatures(const std::vector<std::string> &featureNames, bool enabled);
+
+    const angle::FeatureList &getFeatures() const { return mFeatures; }
+
+    const char *queryStringi(const EGLint name, const EGLint index);
+
+    EGLAttrib queryAttrib(const EGLint attribute);
+
+    angle::ScratchBuffer requestScratchBuffer();
+    void returnScratchBuffer(angle::ScratchBuffer scratchBuffer);
+
+    angle::ScratchBuffer requestZeroFilledBuffer();
+    void returnZeroFilledBuffer(angle::ScratchBuffer zeroFilledBuffer);
+
+    egl::Error handleGPUSwitch();
+    egl::Error forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow);
+
+    std::mutex &getDisplayGlobalMutex() { return mDisplayGlobalMutex; }
+    std::mutex &getProgramCacheMutex() { return mProgramCacheMutex; }
+
+    gl::MemoryShaderCache *getMemoryShaderCache() { return &mMemoryShaderCache; }
+
+    // Installs LoggingAnnotator as the global DebugAnnotator, for back-ends that do not implement
+    // their own DebugAnnotator.
+    void setGlobalDebugAnnotator() { gl::InitializeDebugAnnotations(&mAnnotator); }
+
+    bool supportsDmaBufFormat(EGLint format) const;
+    Error queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats);
+    Error queryDmaBufModifiers(EGLint format,
+                               EGLint max_modifiers,
+                               EGLuint64KHR *modifiers,
+                               EGLBoolean *external_only,
+                               EGLint *num_modifiers);
+
+  private:
+    Display(EGLenum platform, EGLNativeDisplayType displayId, Device *eglDevice);
+
+    void setAttributes(const AttributeMap &attribMap) { mAttributeMap = attribMap; }
+
+    void setupDisplayPlatform(rx::DisplayImpl *impl);
+
+    void updateAttribsFromEnvironment(const AttributeMap &attribMap);
+
+    Error restoreLostDevice();
+    Error releaseContext(gl::Context *context, Thread *thread);
+    Error releaseContextImpl(gl::Context *context, ContextSet *contexts);
+
+    void initDisplayExtensions();
+    void initVendorString();
+    void initVersionString();
+    void initClientAPIString();
+    void initializeFrontendFeatures();
+
+    angle::ScratchBuffer requestScratchBufferImpl(std::vector<angle::ScratchBuffer> *bufferVector);
+    void returnScratchBufferImpl(angle::ScratchBuffer scratchBuffer,
+                                 std::vector<angle::ScratchBuffer> *bufferVector);
+
+    Error destroyInvalidEglObjects();
+
+    DisplayState mState;
+    rx::DisplayImpl *mImplementation;
+    angle::ObserverBinding mGPUSwitchedBinding;
+
+    AttributeMap mAttributeMap;
+
+    ConfigSet mConfigSet;
+
+    typedef angle::HashSet<Image *> ImageSet;
+    ImageSet mImageSet;
+
+    typedef angle::HashSet<Stream *> StreamSet;
+    StreamSet mStreamSet;
+
+    typedef angle::HashSet<Sync *> SyncSet;
+    SyncSet mSyncSet;
+
+    void destroyImageImpl(Image *image, ImageSet *images);
+    void destroyStreamImpl(Stream *stream, StreamSet *streams);
+    Error destroySurfaceImpl(Surface *surface, SurfaceSet *surfaces);
+    void destroySyncImpl(Sync *sync, SyncSet *syncs);
+
+    ContextSet mInvalidContextSet;
+    ImageSet mInvalidImageSet;
+    StreamSet mInvalidStreamSet;
+    SurfaceSet mInvalidSurfaceSet;
+    SyncSet mInvalidSyncSet;
+
+    bool mInitialized;
+    bool mDeviceLost;
+
+    Caps mCaps;
+
+    DisplayExtensions mDisplayExtensions;
+    std::string mDisplayExtensionString;
+
+    std::string mVendorString;
+    std::string mVersionString;
+    std::string mClientAPIString;
+
+    Device *mDevice;
+    Surface *mSurface;
+    EGLenum mPlatform;
+    angle::LoggingAnnotator mAnnotator;
+
+    gl::TextureManager *mTextureManager;
+    gl::SemaphoreManager *mSemaphoreManager;
+    BlobCache mBlobCache;
+    gl::MemoryProgramCache mMemoryProgramCache;
+    gl::MemoryShaderCache mMemoryShaderCache;
+    size_t mGlobalTextureShareGroupUsers;
+    size_t mGlobalSemaphoreShareGroupUsers;
+
+    angle::FrontendFeatures mFrontendFeatures;
+
+    angle::FeatureList mFeatures;
+
+    std::mutex mScratchBufferMutex;
+    std::vector<angle::ScratchBuffer> mScratchBuffers;
+    std::vector<angle::ScratchBuffer> mZeroFilledBuffers;
+
+    std::mutex mDisplayGlobalMutex;
+    std::mutex mProgramCacheMutex;
+
+    bool mTerminatedByApi;
+    ThreadSet mActiveThreads;
+};
+
+}  // namespace egl
+
+#endif  // LIBANGLE_DISPLAY_H_
diff --git a/gfx/angle/checkout/src/libANGLE/EGLSync.cpp b/gfx/angle/checkout/src/libANGLE/EGLSync.cpp
new file mode 100644
index 0000000000..ddca5de902
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/EGLSync.cpp
@@ -0,0 +1,114 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGLSync.cpp: Implements the egl::Sync class.
+
+#include "libANGLE/EGLSync.h"
+
+#include "angle_gl.h"
+
+#include "common/utilities.h"
+#include "libANGLE/renderer/EGLImplFactory.h"
+#include "libANGLE/renderer/EGLReusableSync.h"
+#include "libANGLE/renderer/EGLSyncImpl.h"
+
+namespace egl
+{
+
+Sync::Sync(rx::EGLImplFactory *factory, EGLenum type, const AttributeMap &attribs)
+    : mLabel(nullptr),
+      mType(type),
+      mCondition(EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR),
+      mNativeFenceFD(
+          attribs.getAsInt(EGL_SYNC_NATIVE_FENCE_FD_ANDROID, EGL_NO_NATIVE_FENCE_FD_ANDROID))
+{
+    switch (type)
+    {
+        case EGL_SYNC_FENCE:
+        case EGL_SYNC_NATIVE_FENCE_ANDROID:
+        case EGL_SYNC_METAL_SHARED_EVENT_ANGLE:
+            mFence = std::unique_ptr<rx::EGLSyncImpl>(factory->createSync(attribs));
+            break;
+
+        case EGL_SYNC_REUSABLE_KHR:
+            mFence = std::unique_ptr<rx::EGLSyncImpl>(new rx::ReusableSync(attribs));
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    // Per extension spec: Signaling Condition.
+    // "If the EGL_SYNC_NATIVE_FENCE_FD_ANDROID attribute is not
+    // EGL_NO_NATIVE_FENCE_FD_ANDROID then the EGL_SYNC_CONDITION_KHR attribute
+    // is set to EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID and the EGL_SYNC_STATUS_KHR
+    // attribute is set to reflect the signal status of the native fence object.
+    if ((mType == EGL_SYNC_NATIVE_FENCE_ANDROID) &&
+        (mNativeFenceFD != EGL_NO_NATIVE_FENCE_FD_ANDROID))
+    {
+        mCondition = EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID;
+    }
+}
+
+void Sync::onDestroy(const Display *display)
+{
+    ASSERT(mFence);
+    mFence->onDestroy(display);
+    mFence.reset();
+}
+
+Sync::~Sync() {}
+
+Error Sync::initialize(const Display *display, const gl::Context *context)
+{
+    return mFence->initialize(display, context, mType);
+}
+
+void Sync::setLabel(EGLLabelKHR label)
+{
+    mLabel = label;
+}
+
+EGLLabelKHR Sync::getLabel() const
+{
+    return mLabel;
+}
+
+Error Sync::clientWait(const Display *display,
+                       const gl::Context *context,
+                       EGLint flags,
+                       EGLTime timeout,
+                       EGLint *outResult)
+{
+    return mFence->clientWait(display, context, flags, timeout, outResult);
+}
+
+Error Sync::serverWait(const Display *display, const gl::Context *context, EGLint flags)
+{
+    return mFence->serverWait(display, context, flags);
+}
+
+Error Sync::signal(const Display *display, const gl::Context *context, EGLint mode)
+{
+    return mFence->signal(display, context, mode);
+}
+
+Error Sync::getStatus(const Display *display, EGLint *outStatus) const
+{
+    return mFence->getStatus(display, outStatus);
+}
+
+Error Sync::copyMetalSharedEventANGLE(const Display *display, void **result) const
+{
+    return mFence->copyMetalSharedEventANGLE(display, result);
+}
+
+Error Sync::dupNativeFenceFD(const Display *display, EGLint *result) const
+{
+    return mFence->dupNativeFenceFD(display, result);
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/EGLSync.h b/gfx/angle/checkout/src/libANGLE/EGLSync.h
new file mode 100644
index 0000000000..2f97e9c3da
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/EGLSync.h
@@ -0,0 +1,72 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGLSync.h: Defines the egl::Sync classes, which support the EGL_KHR_fence_sync,
+// EGL_KHR_wait_sync and EGL 1.5 sync objects.
+
+#ifndef LIBANGLE_EGLSYNC_H_
+#define LIBANGLE_EGLSYNC_H_
+
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+#include "common/angleutils.h"
+
+namespace rx
+{
+class EGLImplFactory;
+class EGLSyncImpl;
+}  // namespace rx
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace egl
+{
+class Sync final : public angle::RefCountObject<Display, angle::Result>, public LabeledObject
+{
+  public:
+    Sync(rx::EGLImplFactory *factory, EGLenum type, const AttributeMap &attribs);
+    ~Sync() override;
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    void onDestroy(const Display *display) override;
+
+    Error initialize(const Display *display, const gl::Context *context);
+    Error clientWait(const Display *display,
+                     const gl::Context *context,
+                     EGLint flags,
+                     EGLTime timeout,
+                     EGLint *outResult);
+    Error serverWait(const Display *display, const gl::Context *context, EGLint flags);
+    Error signal(const Display *display, const gl::Context *context, EGLint mode);
+    Error getStatus(const Display *display, EGLint *outStatus) const;
+
+    Error copyMetalSharedEventANGLE(const Display *display, void **result) const;
+    Error dupNativeFenceFD(const Display *display, EGLint *result) const;
+
+    EGLenum getType() const { return mType; }
+    EGLint getCondition() const { return mCondition; }
+    EGLint getNativeFenceFD() const { return mNativeFenceFD; }
+
+  private:
+    std::unique_ptr<rx::EGLSyncImpl> mFence;
+
+    EGLLabelKHR mLabel;
+
+    EGLenum mType;
+    EGLint mCondition;
+    EGLint mNativeFenceFD;
+};
+
+}  // namespace egl
+
+#endif  // LIBANGLE_FENCE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Error.cpp b/gfx/angle/checkout/src/libANGLE/Error.cpp
new file mode 100644
index 0000000000..977e8d66e0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Error.cpp
@@ -0,0 +1,67 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Error.cpp: Implements the egl::Error and gl::Error classes which encapsulate API errors
+// and optional error messages.
+
+#include "libANGLE/Error.h"
+
+#include "common/angleutils.h"
+#include "common/debug.h"
+#include "common/utilities.h"
+
+#include <cstdarg>
+
+namespace
+{
+std::unique_ptr<std::string> EmplaceErrorString(std::string &&message)
+{
+    return message.empty() ? std::unique_ptr<std::string>()
+                           : std::unique_ptr<std::string>(new std::string(std::move(message)));
+}
+}  // anonymous namespace
+
+namespace egl
+{
+
+Error::Error(EGLint errorCode, std::string &&message)
+    : mCode(errorCode), mID(errorCode), mMessage(EmplaceErrorString(std::move(message)))
+{}
+
+Error::Error(EGLint errorCode, EGLint id, std::string &&message)
+    : mCode(errorCode), mID(id), mMessage(EmplaceErrorString(std::move(message)))
+{}
+
+void Error::createMessageString() const
+{
+    if (!mMessage)
+    {
+        mMessage.reset(new std::string(GetGenericErrorMessage(mCode)));
+    }
+}
+
+const std::string &Error::getMessage() const
+{
+    createMessageString();
+    return *mMessage;
+}
+
+std::ostream &operator<<(std::ostream &os, const Error &err)
+{
+    return gl::FmtHex(os, err.getCode());
+}
+}  // namespace egl
+
+namespace angle
+{
+egl::Error ResultToEGL(Result result)
+{
+    if (result == Result::Continue)
+        return egl::NoError();
+
+    return egl::Error(EGL_BAD_ACCESS);
+}
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/Error.h b/gfx/angle/checkout/src/libANGLE/Error.h
new file mode 100644
index 0000000000..7f075352cc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Error.h
@@ -0,0 +1,206 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Error.h: Defines the egl::Error and gl::Error classes which encapsulate API errors
+// and optional error messages.
+
+#ifndef LIBANGLE_ERROR_H_
+#define LIBANGLE_ERROR_H_
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "common/debug.h"
+
+#include <memory>
+#include <ostream>
+#include <string>
+
+namespace angle
+{
+template <typename ErrorT, typename ErrorBaseT, ErrorBaseT NoErrorVal, typename CodeT, CodeT EnumT>
+class ErrorStreamBase : angle::NonCopyable
+{
+  public:
+    ErrorStreamBase() : mID(EnumT) {}
+    ErrorStreamBase(GLuint id) : mID(id) {}
+
+    template <typename T>
+    ErrorStreamBase &operator<<(T value)
+    {
+        mErrorStream << value;
+        return *this;
+    }
+
+    operator ErrorT() { return ErrorT(EnumT, mID, mErrorStream.str()); }
+
+  private:
+    GLuint mID;
+    std::ostringstream mErrorStream;
+};
+}  // namespace angle
+
+namespace egl
+{
+class Error;
+}  // namespace egl
+
+namespace egl
+{
+
+class [[nodiscard]] Error final
+{
+  public:
+    explicit inline Error(EGLint errorCode);
+    Error(EGLint errorCode, std::string &&message);
+    Error(EGLint errorCode, EGLint id, std::string &&message);
+    inline Error(const Error &other);
+    inline Error(Error &&other);
+    inline ~Error() = default;
+
+    inline Error &operator=(const Error &other);
+    inline Error &operator=(Error &&other);
+
+    inline EGLint getCode() const;
+    inline EGLint getID() const;
+    inline bool isError() const;
+
+    const std::string &getMessage() const;
+
+    static inline Error NoError();
+
+  private:
+    void createMessageString() const;
+
+    friend std::ostream &operator<<(std::ostream &os, const Error &err);
+
+    EGLint mCode;
+    EGLint mID;
+    mutable std::unique_ptr<std::string> mMessage;
+};
+
+namespace priv
+{
+
+template <EGLint EnumT>
+using ErrorStream = angle::ErrorStreamBase<Error, EGLint, EGL_SUCCESS, EGLint, EnumT>;
+
+}  // namespace priv
+
+using EglBadAccess         = priv::ErrorStream<EGL_BAD_ACCESS>;
+using EglBadAlloc          = priv::ErrorStream<EGL_BAD_ALLOC>;
+using EglBadAttribute      = priv::ErrorStream<EGL_BAD_ATTRIBUTE>;
+using EglBadConfig         = priv::ErrorStream<EGL_BAD_CONFIG>;
+using EglBadContext        = priv::ErrorStream<EGL_BAD_CONTEXT>;
+using EglBadCurrentSurface = priv::ErrorStream<EGL_BAD_CURRENT_SURFACE>;
+using EglBadDevice         = priv::ErrorStream<EGL_BAD_DEVICE_EXT>;
+using EglBadDisplay        = priv::ErrorStream<EGL_BAD_DISPLAY>;
+using EglBadMatch          = priv::ErrorStream<EGL_BAD_MATCH>;
+using EglBadNativeWindow   = priv::ErrorStream<EGL_BAD_NATIVE_WINDOW>;
+using EglBadNativePixmap   = priv::ErrorStream<EGL_BAD_NATIVE_PIXMAP>;
+using EglBadParameter      = priv::ErrorStream<EGL_BAD_PARAMETER>;
+using EglBadState          = priv::ErrorStream<EGL_BAD_STATE_KHR>;
+using EglBadStream         = priv::ErrorStream<EGL_BAD_STREAM_KHR>;
+using EglBadSurface        = priv::ErrorStream<EGL_BAD_SURFACE>;
+using EglContextLost       = priv::ErrorStream<EGL_CONTEXT_LOST>;
+using EglNotInitialized    = priv::ErrorStream<EGL_NOT_INITIALIZED>;
+
+inline Error NoError()
+{
+    return Error::NoError();
+}
+
+}  // namespace egl
+
+#define ANGLE_CONCAT1(x, y) x##y
+#define ANGLE_CONCAT2(x, y) ANGLE_CONCAT1(x, y)
+#define ANGLE_LOCAL_VAR ANGLE_CONCAT2(_localVar, __LINE__)
+
+#define ANGLE_TRY_TEMPLATE(EXPR, FUNC)                \
+    do                                                \
+    {                                                 \
+        auto ANGLE_LOCAL_VAR = EXPR;                  \
+        if (ANGLE_UNLIKELY(IsError(ANGLE_LOCAL_VAR))) \
+        {                                             \
+            FUNC(ANGLE_LOCAL_VAR);                    \
+        }                                             \
+    } while (0)
+
+#define ANGLE_RETURN(X) return X;
+#define ANGLE_TRY(EXPR) ANGLE_TRY_TEMPLATE(EXPR, ANGLE_RETURN)
+
+// TODO(jmadill): Remove after EGL error refactor. http://anglebug.com/3041
+#define ANGLE_SWALLOW_ERR(EXPR)                                       \
+    do                                                                \
+    {                                                                 \
+        auto ANGLE_LOCAL_VAR = EXPR;                                  \
+        if (ANGLE_UNLIKELY(IsError(ANGLE_LOCAL_VAR)))                 \
+        {                                                             \
+            ERR() << "Unhandled internal error: " << ANGLE_LOCAL_VAR; \
+        }                                                             \
+    } while (0)
+
+#undef ANGLE_LOCAL_VAR
+#undef ANGLE_CONCAT2
+#undef ANGLE_CONCAT1
+
+#define ANGLE_CHECK(CONTEXT, EXPR, MESSAGE, ERROR)                                    \
+    do                                                                                \
+    {                                                                                 \
+        if (ANGLE_UNLIKELY(!(EXPR)))                                                  \
+        {                                                                             \
+            CONTEXT->handleError(ERROR, MESSAGE, __FILE__, ANGLE_FUNCTION, __LINE__); \
+            return angle::Result::Stop;                                               \
+        }                                                                             \
+    } while (0)
+
+namespace angle
+{
+// Result signals if calling code should continue running or early exit. A value of Stop can
+// either indicate an Error or a non-Error early exit condition such as a detected no-op.
+// Incomplete signals special cases that are neither success nor failure but require
+// special attention.
+enum class [[nodiscard]] Result{
+    Continue,
+    Stop,
+    Incomplete,
+};
+
+// TODO(jmadill): Remove this when refactor is complete. http://anglebug.com/3041
+egl::Error ResultToEGL(Result result);
+}  // namespace angle
+
+// TODO(jmadill): Remove this when refactor is complete. http://anglebug.com/3041
+inline bool IsError(angle::Result result)
+{
+    return result == angle::Result::Stop;
+}
+
+// TODO(jmadill): Remove this when refactor is complete. http://anglebug.com/3041
+inline bool IsError(const egl::Error &err)
+{
+    return err.isError();
+}
+
+// TODO(jmadill): Remove this when refactor is complete. http://anglebug.com/3041
+inline bool IsError(bool value)
+{
+    return !value;
+}
+
+// Utility macro for handling implementation methods inside Validation.
+#define ANGLE_HANDLE_VALIDATION_ERR(X) \
+    do                                 \
+    {                                  \
+        (void)(X);                     \
+        return false;                  \
+    } while (0)
+
+#define ANGLE_VALIDATION_TRY(EXPR) ANGLE_TRY_TEMPLATE(EXPR, ANGLE_HANDLE_VALIDATION_ERR)
+
+#include "Error.inc"
+
+#endif  // LIBANGLE_ERROR_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Error.inc b/gfx/angle/checkout/src/libANGLE/Error.inc
new file mode 100644
index 0000000000..e6a8032895
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Error.inc
@@ -0,0 +1,91 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Error.inc: Inline definitions of egl::Error and gl::Error classes which encapsulate API errors
+// and optional error messages.
+
+#include "common/angleutils.h"
+
+#include <cstdarg>
+
+namespace egl
+{
+
+Error::Error(EGLint errorCode)
+    : mCode(errorCode),
+      mID(0)
+{
+}
+
+Error::Error(const Error &other)
+    : mCode(other.mCode),
+      mID(other.mID)
+{
+    if (other.mMessage)
+    {
+        createMessageString();
+        *mMessage = *(other.mMessage);
+    }
+}
+
+Error::Error(Error &&other)
+    : mCode(other.mCode),
+      mID(other.mID),
+      mMessage(std::move(other.mMessage))
+{
+}
+
+Error &Error::operator=(const Error &other)
+{
+    mCode = other.mCode;
+    mID = other.mID;
+
+    if (other.mMessage)
+    {
+        createMessageString();
+        *mMessage = *(other.mMessage);
+    }
+    else
+    {
+        mMessage.reset();
+    }
+
+    return *this;
+}
+
+Error &Error::operator=(Error &&other)
+{
+    if (this != &other)
+    {
+        mCode = other.mCode;
+        mID = other.mID;
+        mMessage = std::move(other.mMessage);
+    }
+
+    return *this;
+}
+
+EGLint Error::getCode() const
+{
+    return mCode;
+}
+
+EGLint Error::getID() const
+{
+    return mID;
+}
+
+bool Error::isError() const
+{
+    return (mCode != EGL_SUCCESS);
+}
+
+// Static
+Error Error::NoError()
+{
+    return Error(EGL_SUCCESS);
+}
+
+}
diff --git a/gfx/angle/checkout/src/libANGLE/ErrorStrings.h b/gfx/angle/checkout/src/libANGLE/ErrorStrings.h
new file mode 100644
index 0000000000..df352b8114
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ErrorStrings.h
@@ -0,0 +1,627 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ErrorStrings.h: Contains mapping of commonly used error messages
+
+#ifndef LIBANGLE_ERRORSTRINGS_H_
+#define LIBANGLE_ERRORSTRINGS_H_
+
+namespace gl
+{
+namespace err
+{
+#define MSG constexpr const char *
+
+// clang-format off
+MSG k3DDepthStencil = "Format cannot be GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL if target is GL_TEXTURE_3D";
+MSG kANGLECopyTexture3DUnavailable = "GL_ANGLE_copy_texture_3d extension not available.";
+MSG kANGLECopyTextureMissingRequiredExtension = "Copy*TextureCHROMIUM from EXTERNAL_OES to integer format requires OES_EGL_image_external_essl3";
+MSG kAdvancedBlendEquationWithMRT = "Advanced blend equation can only be used when only one draw buffer is not NONE";
+MSG kAdvancedBlendExtensionNotEnabled = "GL_KHR_blend_equation_advanced extension not enabled.";
+MSG kAtomicCounterResourceName = "Active atomic counter resources are not assigned name strings.";
+MSG kAttributeListNotNull = "Attribute list must be NULL or GL_NONE";
+MSG kAttributeZeroRequiresDivisorLimitation = "The current context doesn't support setting a non-zero divisor on the attribute with index zero. Please reorder the attributes in your vertex shader so that attribute zero can have a zero divisor.";
+MSG kBaseLevelNegative = "Base level must be at least 0.";
+MSG kBaseLevelNonZero = "Base level must be 0.";
+MSG kBaseLevelOutOfRange = "Texture base level out of range";
+MSG kBlendEquationNotEnabled = "Active fragment shader does not include the layout qualifier matching the blend equation";
+MSG kBlitDepthOrStencilFormatMismatch = "Depth/stencil buffer format combination not allowed for blit.";
+MSG kBlitDimensionsOutOfRange = "BlitFramebuffer dimensions out of 32-bit integer range.";
+MSG kBlitExtensionDepthStencilWholeBufferBlit = "Only whole-buffer depth and stencil blits are supported by this extension.";
+MSG kBlitExtensionFormatMismatch = "Attempting to blit and the read and draw buffer formats don't match. read: 0x%04X draw: 0x%04X";
+MSG kBlitExtensionFromInvalidAttachmentType = "Blits are only supported from 2D texture, renderbuffer or default framebuffer attachments in this extension.";
+MSG kBlitExtensionLinear = "Linear blit not supported in this extension.";
+MSG kBlitExtensionMultisampledDepthOrStencil = "Multisampled depth/stencil blit is not supported by this extension.";
+MSG kBlitExtensionMultisampledWholeBufferBlit = "Only whole-buffer blit is supported from a multisampled read buffer in this extension.";
+MSG kBlitExtensionNotAvailable = "Blit extension not available.";
+MSG kBlitExtensionScaleOrFlip = "Scaling and flipping in BlitFramebufferANGLE not supported by this implementation.";
+MSG kBlitExtensionToInvalidAttachmentType = "Blits are only supported to 2D texture, renderbuffer or default framebuffer attachments in this extension.";
+MSG kBlitFeedbackLoop = "Blit feedback loop: the read and draw framebuffers are the same.";
+MSG kBlitFramebufferMissing = "Read and draw framebuffers must both exist for a blit to succeed.";
+MSG kBlitFromMultiview = "Attempt to read from a multi-view framebuffer.";
+MSG kBlitIntegerWithLinearFilter = "Cannot use GL_LINEAR filter when blitting a integer framebuffer.";
+MSG kBlitInvalidFilter = "Invalid blit filter.";
+MSG kBlitInvalidMask = "Invalid blit mask.";
+MSG kBlitMissingColor = "Attempt to read from a missing color attachment of a complete framebuffer.";
+MSG kBlitMissingDepthOrStencil = "Attempt to read from a missing depth/stencil attachment of a complete framebuffer.";
+MSG kBlitMultisampledBoundsMismatch = "Attempt to blit from a multisampled framebuffer and the bounds don't match with the draw framebuffer.";
+MSG kBlitMultisampledFormatOrBoundsMismatch = "Attempt to blit from a multisampled framebuffer and the bounds or format of the color buffer don't match with the draw framebuffer.";
+MSG kBlitOnlyNearestForNonColor = "Only nearest filtering can be used when blitting buffers other than the color buffer.";
+MSG kBlitSameImageColor = "Read and write color attachments cannot be the same image.";
+MSG kBlitSameImageDepthOrStencil = "Read and write depth stencil attachments cannot be the same image.";
+MSG kBlitToMultiview = "Attempt to write to a multi-view framebuffer.";
+MSG kBlitTypeMismatchFixedOrFloat = "If the read buffer contains fixed-point or floating-point values, the draw buffer must as well.";
+MSG kBlitTypeMismatchFixedPoint = "If the read buffer contains fixed-point values, the draw buffer must as well.";
+MSG kBlitTypeMismatchSignedInteger = "If the read buffer contains signed integer values the draw buffer must as well.";
+MSG kBlitTypeMismatchUnsignedInteger = "If the read buffer contains unsigned integer values the draw buffer must as well.";
+MSG kBlitYUVFramebuffer = "Blitting to or from a YUV framebuffer is disallowed.";
+MSG kBufferAlreadyMapped = "Buffer is already mapped.";
+MSG kBufferBoundForTransformFeedback = "Buffer is bound for transform feedback.";
+MSG kBufferImmutable = "Buffer is immutable.";
+MSG kBufferMapped = "An active buffer is mapped";
+MSG kBufferNotBound = "A buffer must be bound.";
+MSG kBufferNotMappable = "Attempted to map buffer object zero.";
+MSG kBufferNotMapped = "Buffer is not mapped.";
+MSG kBufferNotUpdatable = "Buffer is not updatable.";
+MSG kBufferOffsetOverflow = "Buffer offset overflow.";
+MSG kBufferPointerNotAvailable = "Can not get pointer for reserved buffer name zero.";
+MSG kCannotPopDefaultDebugGroup = "Cannot pop the default debug group.";
+MSG kClientBufferInvalid = "Size must not exceed the size of clientbuffer";
+MSG kClientDataInVertexArray = "Client data cannot be used with a non-default vertex array object.";
+MSG kColorNumberGreaterThanMaxDrawBuffers = "Color number for primary color greater than or equal to MAX_DRAW_BUFFERS";
+MSG kColorNumberGreaterThanMaxDualSourceDrawBuffers = "Color number for secondary color greater than or equal to MAX_DUAL_SOURCE_DRAW_BUFFERS";
+MSG kCompressedDataSizeTooSmall = "dataSize is too small";
+MSG kCompressedMismatch = "Compressed data is valid if-and-only-if the texture is compressed.";
+MSG kCompressedTextureDimensionsMustMatchData = "Compressed texture dimensions must exactly match the dimensions of the data passed in.";
+MSG kCompressedTexturesNotAttachable = "Compressed textures cannot be attached to a framebuffer.";
+MSG kConstantColorAlphaLimitation = "Simultaneous use of GL_CONSTANT_ALPHA/GL_ONE_MINUS_CONSTANT_ALPHA and GL_CONSTANT_COLOR/GL_ONE_MINUS_CONSTANT_COLOR as color factors is not supported by this implementation.";
+MSG kContextLost = "Context has been lost.";
+MSG kCopyAlias = "The read and write copy regions alias memory.";
+MSG kCopyFromYUVFramebuffer = "Copying from a YUV framebuffer is disallowed.";
+MSG kCubemapFacesEqualDimensions = "Each cubemap face must have equal width and height.";
+MSG kCubemapIncomplete = "Texture is not cubemap complete. All cubemaps faces must be defined and be the same size.";
+MSG kCubemapInvalidDepth = "The cubemap depth must be a multiple of 6.";
+MSG kDataTypeNotAligned = "Data is not evenly divisible into the number of bytes needed to store in memory a datum indicated by type.";
+MSG kDefaultFramebuffer = "Default framebuffer is bound.";
+MSG kDefaultFramebufferAttachmentOnUserFBO = "Invalid attachment when a user framebuffer is bound.";
+MSG kDefaultFramebufferInvalidAttachment = "Invalid attachment when the default framebuffer is bound.";
+MSG kDefaultFramebufferInvalidDrawBuffer = "Only NONE or BACK are valid draw buffers for the default framebuffer";
+MSG kDefaultFramebufferTarget = "It is invalid to change default FBO's attachments";
+MSG kDefaultVertexArray = "Default vertex array object is bound.";
+MSG kDestinationImmutable = "Destination texture cannot be immutable.";
+MSG kDestinationLevelNotDefined = "The destination level of the destination texture must be defined.";
+MSG kDestinationTextureTooSmall = "Destination texture too small.";
+MSG kDimensionsMustBePow2 = "Texture dimensions must be power-of-two.";
+MSG kDispatchIndirectBufferNotBound = "Dispatch indirect buffer must be bound.";
+MSG kDrawBufferMaskMismatch = "Active draw buffers with missing fragment shader outputs.";
+MSG kDrawBuffersIndexedExtensionNotAvailable = "EXT/OES_draw_buffers_indexed is not available.";
+MSG kES31OrDrawBuffersIndexedExtensionNotAvailable = "EXT/OES_draw_buffers_indexed or ES 3.1 are required but not available.";
+MSG kDrawBufferTypeMismatch = "Fragment shader output type does not match the bound framebuffer attachment type.";
+MSG kDrawFramebufferIncomplete = "Draw framebuffer is incomplete";
+MSG kDrawIndirectBufferNotBound = "Draw indirect buffer must be bound.";
+MSG kEGLImageCannotCreate2DMultisampled = "Cannot create a 2D texture from a multisampled EGL image.";
+MSG kEGLImageRenderbufferFormatNotSupported = "EGL image internal format is not supported as a renderbuffer.";
+MSG kEGLImageTextureFormatNotSupported = "EGL image internal format is not supported as a texture.";
+MSG kEGLImageTextureTargetMismatch = "The source EGL image is incompatible with the target texture type.";
+MSG kElementArrayBufferBoundForTransformFeedback = "It is undefined behavior to use an element array buffer that is bound for transform feedback.";
+MSG kElementArrayNoBufferOrPointer = "No element array buffer and no pointer.";
+MSG kEnumInvalid = "Invalid enum provided.";
+MSG kEnumNotSupported = "Enum 0x%04X is currently not supported.";
+MSG kEnumRequiresGLES30 = "Enum requires GLES 3.0";
+MSG kEnumRequiresGLES31 = "Enum requires GLES 3.1";
+MSG kES1or32Required = "OpenGL ES 1.x or 3.2 Required";
+MSG kES31Required = "OpenGL ES 3.1 Required";
+MSG kES32Required = "OpenGL ES 3.2 Required";
+MSG kES3Required = "OpenGL ES 3.0 Required.";
+MSG kExceedsComputeWorkGroupCountX = "num_groups_x cannot be greater than MAX_COMPUTE_WORK_GROUP_COUNT[0]";
+MSG kExceedsComputeWorkGroupCountY = "num_groups_y cannot be greater than MAX_COMPUTE_WORK_GROUP_COUNT[1]";
+MSG kExceedsComputeWorkGroupCountZ = "num_groups_z cannot be greater than MAX_COMPUTE_WORK_GROUP_COUNT[2]";
+MSG kExceedsElementRange = "Element value exceeds element range.";
+MSG kExceedsFramebufferHeight = "Params less than 0 or greater than GL_MAX_FRAMEBUFFER_HEIGHT.";
+MSG kExceedsFramebufferSamples = "Params less than 0 or greater than GL_MAX_FRAMEBUFFER_SAMPLES.";
+MSG kExceedsFramebufferWidth = "Params less than 0 or greater than GL_MAX_FRAMEBUFFER_WIDTH.";
+MSG kExceedsMaxColorAttachments = "Index is greater than the maximum supported color attachments";
+MSG kExceedsMaxDebugGroupStackDepth = "Cannot push more than GL_MAX_DEBUG_GROUP_STACK_DEPTH debug groups.";
+MSG kExceedsMaxDebugMessageLength = "Message length is larger than GL_MAX_DEBUG_MESSAGE_LENGTH.";
+MSG kExceedsMaxDrawBuffers = "Draw buffer greater than MAX_DRAW_BUFFERS.";
+MSG kExceedsMaxElement = "Element value exceeds maximum element index.";
+MSG kExceedsMaxImageUnits = "Index must be within [0, MAX_IMAGE_UNITS).";
+MSG kExceedsMaxLabelLength = "Label length is larger than GL_MAX_LABEL_LENGTH.";
+MSG kExceedsMaxShaderStorageBufferBindings = "Index must be within [0, MAX_SHADER_STORAGE_BUFFER_BINDINGS).";
+MSG kExceedsMaxVertexAttribBindings = "Index must be within [0, MAX_VERTEX_ATTRIB_BINDINGS).";
+MSG kExceedsMaxVertexAttribStride = "Stride must be within [0, MAX_VERTEX_ATTRIB_STRIDE).";
+MSG kExceedsNumExtensions = "Index must be within [0, NUM_EXTENSIONS).";
+MSG kExceedsNumRequestableExtensions = "Index must be within [0, NUM_REQUESTABLE_EXTENSIONS_ANGLE).";
+MSG kExpectedProgramName = "Expected a program name, but found a shader name.";
+MSG kExpectedShaderName = "Expected a shader name, but found a program name.";
+MSG kExtensionNotEnabled = "Extension is not enabled.";
+MSG kExtensionNotDisablable = "Extension is not disablable.";
+MSG kExtensionNotRequestable = "Extension is not requestable.";
+MSG kExternalBufferInvalidOffset = "Offset must be zero for external buffers";
+MSG kExternalTextureAttachmentNotYUV = "External texture attached to framebuffer is not YUV.";
+MSG kExternalTextureNotSupported = "External texture extension not enabled";
+MSG kFeedbackLoop = "Feedback loop formed between Framebuffer and active Texture.";
+MSG kFixedNotInWebGL = "GL_FIXED is not supported in WebGL.";
+MSG kFormatNotRenderable = "Internal format is not renderable.";
+MSG kFragDataBindingIndexOutOfRange = "Fragment output color index must be zero or one.";
+MSG kFragmentInputTypeNotFloatingPoint = "Fragment input type is not a floating point scalar or vector.";
+MSG kFramebufferFetchNonCoherentExtensionNotEnabled = "GL_EXT_shader_framebuffer_fetch_non_coherent not enabled.";
+MSG kFramebufferIncomplete = "Framebuffer is incomplete.";
+MSG kFramebufferIncompleteAttachment = "Attachment type must be compatible with attachment object.";
+MSG kFramebufferIncompleteAttachmentDepthGreaterThanMaxLayers = "Framebuffer is incomplete: Attachment depth is greater than MAX_FRAMEBUFFER_LAYERS.";
+MSG kFramebufferIncompleteAttachmentInconsistantBitPlanes = "Framebuffer is incomplete: Attachments have inconsistent bit plane counts.";
+MSG kFramebufferIncompleteAttachmentLayerGreaterThanDepth = "Framebuffer is incomplete: Attachment layer is greater than texture layer count.";
+MSG kFramebufferIncompleteAttachmentLevelNotBaseLevelForIncompleteMipTexture = "Framebuffer is incomplete: Attachment level not equal to the base level and the texture is not mipmap complete.";
+MSG kFramebufferIncompleteAttachmentLevelOutOfBaseMaxLevelRange = "Framebuffer is incomplete: Attachment level is not in the [base level, max level] range.";
+MSG kFramebufferIncompleteAttachmentNoDepthBitsInDepthBuffer = "Framebuffer is incomplete: Depth attachment has no depth bits.";
+MSG kFramebufferIncompleteAttachmentNoStencilBitsInStencilBuffer = "Framebuffer is incomplete: Stencil attachment has no stencil bits.";
+MSG kFramebufferIncompleteAttachmentNotCubeComplete = "Framebuffer is incomplete: Attachment is an incomplete cube map.";
+MSG kFramebufferIncompleteAttachmentNotRenderable = "Framebuffer is incomplete: Attachment is not renderable.";
+MSG kFramebufferIncompleteAttachmentSamplesGreaterThanMaxSupportedSamples = "Framebuffer is incomplete: Attachment samples are greater than the maximum supported samples for this format.";
+MSG kFramebufferIncompleteAttachmentsNotUnique = "Framebuffer is incomplete: All attachments must be unique.";
+MSG kFramebufferIncompleteAttachmentWebGLDepthBufferHasStencilBits = "Framebuffer is incomplete: Stencil attachment has depth bits.";
+MSG kFramebufferIncompleteAttachmentWebGLDepthStencilNoDepthOrStencilBits = "Framebuffer is incomplete: Depth stencil attachment has no depth bits or no stencil bits.";
+MSG kFramebufferIncompleteAttachmentWebGLStencilBufferHasDepthBits = "Framebuffer is incomplete: Stencil attachment has depth bits.";
+MSG kFramebufferIncompleteAttachmentZeroSize = "Framebuffer is incomplete: Attachment has zero size.";
+MSG kFramebufferIncompleteColorBitsUsedExceedsMaxColorBitsSupported = "Framebuffer is incomplete: The total number of color bits exceeds the number of output bits supported.";
+MSG kFramebufferIncompleteDefaultZeroSize = "Framebuffer is incomplete: No attachments and default size is zero.";
+MSG kFramebufferIncompleteDepthAndStencilBuffersNotTheSame = "Framebuffer is incomplete: Depth and stencil attachments are not the same.";
+MSG kFramebufferIncompleteDepthStencilInColorBuffer = "Framebuffer is incomplete: Depth stencil texture in color attachment.";
+MSG kFramebufferIncompleteDriverUnsupported = "Framebuffer is incomplete: Driver does not support this framebuffer configuration.";
+MSG kFramebufferIncompleteInconsistantAttachmentSizes = "Framebuffer is incomplete: Attachments are not all the same size.";
+MSG kFramebufferIncompleteInternalError = "Framebuffer is incomplete: Internal error.";
+MSG kFramebufferIncompleteMismatchedLayeredAttachments = "Framebuffer is incomplete: If one attachment is layered, all must be layered.";
+MSG kFramebufferIncompleteMismatchedLayeredTexturetypes = "Framebuffer is incomplete: If an attachments are layered, they must all be the same texture type.";
+MSG kFramebufferIncompleteMultisampleDepthStencilSampleCountDivisibleByColorSampleCount = "Framebuffer is incomplete: Depth stencil sample count must be divisible by the color sample count.";
+MSG kFramebufferIncompleteMultisampleInconsistentFixedSampleLocations = "Framebuffer is incomplete: Attachments have inconsistent fixed sample locations.";
+MSG kFramebufferIncompleteMultisampleInconsistentSampleCounts = "Framebuffer is incomplete: Attachments have different sample counts.";
+MSG kFramebufferIncompleteMultisampleNonFixedSamplesWithRenderbuffers = "Framebuffer is incomplete: All textures must have fixed samples if paired with multisample renderbuffers.";
+MSG kFramebufferIncompleteMultiviewBaseViewMismatch = "Framebuffer is incomplete: Attachments have inconsistent multiview base view.";
+MSG kFramebufferIncompleteMultiviewMismatch = "Framebuffer is incomplete: Attachments have inconsistent multiview enabled state.";
+MSG kFramebufferIncompleteMultiviewViewsMismatch = "Framebuffer is incomplete: Attachments have inconsistent multiview view counts.";
+MSG kFramebufferIncompleteSurfaceless = "Framebuffer is incomplete: Framebuffer is surfaceless.";
+MSG kFramebufferIncompleteUnsupportedMissmatchedDimensions = "Framebuffer is incomplete: Mismatched attachment sizes are unsupported.";
+MSG kFramebufferIncompleteUnsupportedNonUniqueAttachments = "Framebuffer is incomplete: Non-unique attachments are unsupported.";
+MSG kFramebufferIncompleteUnsupportedSeparateDepthStencilBuffers = "Framebuffer is incomplete: Separate depth and stencil buffers are unsupported.";
+MSG kFramebufferIncompleteWebGLDepthStencilInconsistant = "Framebuffer is incomplete: WebGL depth stencil state is inconsistent.";
+MSG kFramebufferTextureInvalidLayer = "Layer invalid for framebuffer texture attachment.";
+MSG kFramebufferTextureInvalidMipLevel = "Mip level invalid for framebuffer texture attachment.";
+MSG kFramebufferTextureLayerIncorrectTextureType = "Texture is not a three-dimensional, two-dimensional array, two-dimensional multisample array, cube map, or cube map array texture.";
+MSG kGenerateMipmapNotAllowed = "Texture format does not support mipmap generation.";
+MSG kGenerateMipmapZeroSize = "Cannot generate mipmaps for a zero-size texture in a WebGL context.";
+MSG kGeometryShaderExtensionNotEnabled = "GL_EXT_geometry_shader or GL_OES_geometry_shader extension not enabled.";
+MSG kGetImageExtensionNotEnabled = "GL_ANGLE_get_image extension not enabled.";
+MSG kGetImageCompressed = "Texture is compressed, call GetCompressedTexImage instead.";
+MSG kGetImageNotCompressed = "Texture is not compressed, call GetTexImage instead.";
+MSG kGLES1Only = "GLES1-only function.";
+MSG kImageSizeMustBeZero = "imageSize must be 0 if no texture data is provided.";
+MSG kImageSizeTooSmall = "imageSize is too small.";
+MSG kImmutableMemoryObject = "The memory object is immutable.";
+MSG kImmutableTextureBound = "The value of TEXTURE_IMMUTABLE_FORMAT for the texture currently bound to target on the active texture unit is true.";
+MSG kIncompatibleDrawModeAgainstGeometryShader = "Primitive mode is incompatible with the input primitive type of the geometry shader.";
+MSG kIncompatibleDrawModeWithTessellationShader = "When tessellation is active the primitive mode must be GL_PATCHES.";
+MSG kIncompatibleDrawModeWithoutTessellationShader = "When tessellation is not active the primitive mode must not be GL_PATCHES.";
+MSG kIncompatibleTextures = "Texture formats are not compatible";
+MSG kIndexExceedsActiveUniformBlockCount = "Index exceeds active uniform block count.";
+MSG kIndexExceedsMaxActiveUniform = "Index must be less than program active uniform count.";
+MSG kIndexExceedsMaxActiveUniformBlock = "Index must be less than program active uniform block count.";
+MSG kIndexExceedsMaxAtomicCounterBufferBindings = "Index must be less than MAX_ATOMIC_COUNTER_BUFFER_BINDINGS.";
+MSG kIndexExceedsMaxDrawBuffer = "Index must be less than MAX_DRAW_BUFFERS.";
+MSG kIndexExceedsMaxTransformFeedbackAttribs = "Index must be less than MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS.";
+MSG kIndexExceedsMaxUniformBufferBindings = "Index must be less than MAX_UNIFORM_BUFFER_BINDINGS.";
+MSG kIndexExceedsMaxVertexAttribute = "Index must be less than MAX_VERTEX_ATTRIBS.";
+MSG kIndexExceedsMaxWorkgroupDimensions = "Index must be less than the number of workgroup dimensions (3).";
+MSG kIndexExceedsSamples = "Index must be less than the value of SAMPLES.";
+MSG kIndexExceedsTransformFeedbackBufferBindings = "Index is greater than or equal to the number of TRANSFORM_FEEDBACK_BUFFER indexed binding points.";
+MSG kInsufficientBufferSize = "Insufficient buffer size.";
+MSG kInsufficientParams = "More parameters are required than were provided.";
+MSG kInsufficientVertexBufferSize = "Vertex buffer is not big enough for the draw call";
+MSG kIntegerOverflow = "Integer overflow.";
+MSG kInternalFormatRequiresTexture2D = "internalformat is an ETC1 or PVRTC1 format.";
+MSG kInternalFormatRequiresTexture2DArray = "internalformat is an ETC2/EAC format and target is not GL_TEXTURE_2D_ARRAY.";
+MSG kInternalFormatRequiresTexture2DArrayS3TC = "internalformat is an S3TC format and target is not GL_TEXTURE_2D_ARRAY.";
+MSG kInternalFormatRequiresTexture2DArrayRGTC = "internalformat is an RGTC format and target is not GL_TEXTURE_2D_ARRAY.";
+MSG kInternalFormatRequiresTexture2DArrayBPTC = "internalformat is a BPTC format and target is not GL_TEXTURE_2D_ARRAY.";
+MSG kInternalFormatRequiresTexture2DArrayASTC = "internalformat is an ASTC format and target is not GL_TEXTURE_2D_ARRAY.";
+MSG kInvalidAccessBits = "Invalid access bits.";
+MSG kInvalidAccessBitsFlush = "The explicit flushing bit may only be set if the buffer is mapped for writing.";
+MSG kInvalidAccessBitsRead = "Invalid access bits when mapping buffer for reading";
+MSG kInvalidAccessBitsReadWrite = "Need to map buffer for either reading or writing.";
+MSG kInvalidAttachment = "Invalid Attachment Type.";
+MSG kInvalidBindBufferSize = "Invalid buffer binding size.";
+MSG kInvalidBindUniformLocation = "Location must be less than (MAX_VERTEX_UNIFORM_VECTORS + MAX_FRAGMENT_UNIFORM_VECTORS) * 4";
+MSG kInvalidBlendEquation = "Invalid blend equation.";
+MSG kInvalidBlendFunction = "Invalid blend function.";
+MSG kInvalidBlendStateForYUV = "Blending must be disabled when writing to YUV framebuffers.";
+MSG kInvalidBooleanValue = "Invalid boolean value. Must be GL_FALSE or GL_TRUE.";
+MSG kInvalidBorder = "Border must be 0.";
+MSG kInvalidBufferName = "name is not a valid buffer.";
+MSG kInvalidBufferTypes = "Invalid buffer target.";
+MSG kInvalidBufferUsage = "Invalid buffer usage enum.";
+MSG kInvalidBufferUsageFlags = "Invalid buffer usage flags.";
+MSG kInvalidClearMask = "Invalid mask bits.";
+MSG kInvalidClientState = "Invalid client vertex array type.";
+MSG kInvalidClipPlane = "Invalid clip plane.";
+MSG kInvalidColorMaskForYUV = "Red, green and blue color writes must be enabled when writing to YUV framebuffers.";
+MSG kInvalidCombinedImageUnit = "Specified unit must be in [GL_TEXTURE0, GL_TEXTURE0 + GL_MAX_COMBINED_IMAGE_UNITS)";
+MSG kInvalidComponents = "Invalid components.";
+MSG kInvalidCompressedFormat = "Not a valid compressed texture format.";
+MSG kInvalidCompressedImageSize = "Invalid compressed image size.";
+MSG kInvalidCompressedRegionSize = "Invalid region for compressed texture format.";
+MSG kInvalidConstantColor = "CONSTANT_COLOR (or ONE_MINUS_CONSTANT_COLOR) and CONSTANT_ALPHA (or ONE_MINUS_CONSTANT_ALPHA) cannot be used together as source and destination color factors in the blend function.";
+MSG kInvalidCopyCombination = "Invalid copy texture format combination.";
+MSG kInvalidCoverageComponents = "components is not one of GL_RGB, GL_RGBA, GL_ALPHA or GL_NONE.";
+MSG kInvalidCoverMode = "Invalid cover mode.";
+MSG kInvalidExternalCreateFlags = "Create flags must only include bits defined by GL_ANGLE_external_objects_flags";
+MSG kInvalidCullMode = "Cull mode not recognized.";
+MSG kInvalidDebugSeverity = "Invalid debug severity.";
+MSG kInvalidDebugSource = "Invalid debug source.";
+MSG kInvalidDebugSourceType = "If count is greater than zero, source and type cannot be GL_DONT_CARE.";
+MSG kInvalidDebugType = "Invalid debug type.";
+MSG kInvalidDefaultReadBuffer = "Read buffer must be GL_NONE or GL_BACK when reading from the default framebuffer.";
+MSG kInvalidDepthEnum = "Invalid depth enum.";
+MSG kInvalidDepthRange = "Near value cannot be greater than far.";
+MSG kInvalidDepthStencilDrawBuffer = "Draw buffer must be zero when using depth or stencil.";
+MSG kInvalidDestinationTexture = "Destination texture is not a valid texture object.";
+MSG kInvalidDestinationTextureType = "Invalid destination texture type.";
+MSG kInvalidDrawBuffer = "Invalid draw buffer.";
+MSG kInvalidDrawBufferCountForDefault = "The default framebuffer must have exactly one draw buffer.";
+MSG kInvalidDrawBufferValue = "Ith value does not match COLOR_ATTACHMENTi or NONE.";
+MSG kInvalidDrawMode = "Invalid draw mode.";
+MSG kInvalidDrawModeTransformFeedback = "Draw mode must match current transform feedback object's draw mode.";
+MSG kInvalidEGLImage = "EGL image is not valid.";
+MSG kInvalidElementRange = "Invalid element range.";
+MSG kInvalidEmulatedFormat = "Implementation format is emulated.";
+MSG kInvalidFence = "Invalid fence object.";
+MSG kInvalidFenceCondition = "Invalid value for condition.";
+MSG kInvalidFenceState = "Fence must be set.";
+MSG kInvalidFillMode = "Invalid fill mode.";
+MSG kInvalidFilterTexture = "Texture only supports NEAREST and LINEAR filtering.";
+MSG kInvalidFlags = "Invalid value for flags.";
+MSG kInvalidFlushOutOfRange = "Flushed range does not fit into buffer mapping dimensions.";
+MSG kInvalidFlushTarget = "Attempted to flush a buffer not mapped for explicit flushing.";
+MSG kInvalidFlushZero = "Attempted to flush buffer object zero.";
+MSG kInvalidFogDensity = "Invalid fog density (must be nonnegative).";
+MSG kInvalidFogMode = "Invalid fog mode.";
+MSG kInvalidFogParameter = "Invalid fog parameter.";
+MSG kInvalidFormat = "Invalid format.";
+MSG kInvalidFormatCombination = "Invalid combination of format, type and internalFormat.";
+MSG kInvalidFragmentInputBinding = "No such binding.";
+MSG kInvalidFramebufferAttachmentParameter = "Invalid parameter name for framebuffer attachment.";
+MSG kInvalidFramebufferLayer = "Framebuffer layer cannot be less than 0 or greater than GL_MAX_FRAMEBUFFER_LAYERS_EXT.";
+MSG kInvalidFramebufferName = "name is not a valid framebuffer.";
+MSG kInvalidFramebufferTarget = "Invalid framebuffer target.";
+MSG kInvalidFramebufferTextureLevel = "Mipmap level must be 0 when attaching a texture.";
+MSG kInvalidHandleType = "Invalid handle type.";
+MSG kInvalidImageAccess = "access is not one of the supported tokens.";
+MSG kInvalidImageLayout = "Invalid image layout.";
+MSG kInvalidImageFormat = "format is not one of supported image unit formats.";
+MSG kInvalidIndentifier = "Invalid identifier.";
+MSG kInvalidIndirectOffset = "indirect must be a multiple of the size of uint in basic machine units.";
+MSG kInvalidInternalFormat = "Invalid internal format 0x%04X.";
+MSG kInvalidLight = "Invalid light.";
+MSG kInvalidLightModelParameter = "Invalid light model parameter.";
+MSG kInvalidLightParameter = "Invalid light parameter.";
+MSG kInvalidLogicOp = "Invalid logical operation.";
+MSG kInvalidMapPointerQuery = "GL_BUFFER_MAP_POINTER can only be queried with GetBufferPointerv.";
+MSG kInvalidMaterialFace = "Invalid material face.";
+MSG kInvalidMaterialParameter = "Invalid material parameter.";
+MSG kInvalidMatrixMode = "Invalid matrix mode.";
+MSG kInvalidMemoryBarrierBit = "Invalid memory barrier bit.";
+MSG kInvalidMemoryObject = "Invalid memory object.";
+MSG kInvalidMemoryObjectParameter = "Invalid memory object parameter.";
+MSG kInvalidMipLevel = "Level of detail outside of range.";
+MSG kInvalidMipLevels = "Invalid level count.";
+MSG kInvalidMultisampledFramebufferOperation = "Invalid operation on multisampled framebuffer";
+MSG kInvalidMultitextureUnit = "Specified unit must be in [GL_TEXTURE0, GL_TEXTURE0 + GL_MAX_TEXTURE_UNITS)";
+MSG kInvalidName = "Invalid name.";
+MSG kInvalidNameCharacters = "Name contains invalid characters.";
+MSG kInvalidOriginEnum = "Invalid origin enum.";
+MSG kInvalidPackParametersForWebGL = "Invalid combination of pack parameters for WebGL.";
+MSG kInvalidPerfMonitor = "Invalid perf monitor.";
+MSG kInvalidPerfMonitorCounter = "Invalid perf monitor counter.";
+MSG kInvalidPerfMonitorGroup = "Invalid perf monitor counter group.";
+MSG kInvalidPname = "Invalid pname.";
+MSG kInvalidPointerQuery = "Invalid pointer query.";
+MSG kInvalidPointParameter = "Invalid point parameter.";
+MSG kInvalidPointParameterValue = "Invalid point parameter value (must be non-negative).";
+MSG kInvalidPointSizeValue = "Invalid point size (must be positive).";
+MSG kInvalidPrecision = "Invalid or unsupported precision type.";
+MSG kInvalidPrimitiveMode = "Invalid primitive mode.";
+MSG kInvalidProgramBinaryFormat = "Program binary format is not valid.";
+MSG kInvalidProgramInterface = "Invalid program interface.";
+MSG kInvalidProgramName = "Program object expected.";
+MSG kInvalidProgramPipelineName = "name is not a valid program pipeline.";
+MSG kInvalidProgramResourceIndex = "Invalid program resource index.";
+MSG kInvalidProgramResourceProperty = "Invalid program resource property.";
+MSG kInvalidProjectionMatrix = "Invalid projection matrix. Left/right, top/bottom, near/far intervals cannot be zero, and near/far cannot be less than zero.";
+MSG kInvalidPropCount = "Invalid propCount.";
+MSG kInvalidPropertyForProgramInterface = "Not an allowed program resource property for this program interface";
+MSG kInvalidProvokingVertex = "Invalid provoking vertex.";
+MSG kInvalidQueryId = "Invalid query Id.";
+MSG kInvalidQueryName = "name is not a valid query.";
+MSG kInvalidQueryTarget = "Invalid query target.";
+MSG kInvalidQueryType = "Invalid query type.";
+MSG kInvalidRange = "Invalid range.";
+MSG kInvalidReadBuffer = "Invalid read buffer";
+MSG kInvalidRenderbufferInternalFormat = "Invalid renderbuffer internalformat.";
+MSG kInvalidRenderbufferName = "name is not a valid renderbuffer.";
+MSG kInvalidRenderbufferTarget = "Invalid renderbuffer target.";
+MSG kInvalidRenderbufferTextureParameter = "Invalid parameter name for renderbuffer attachment.";
+MSG kInvalidRenderbufferWidthHeight = "Renderbuffer width and height cannot be negative and cannot exceed maximum texture size.";
+MSG kInvalidResetStatus = "Reset status is not valid";
+MSG kInvalidSampleMaskNumber = "MaskNumber cannot be greater than or equal to the value of MAX_SAMPLE_MASK_WORDS.";
+MSG kInvalidSampler = "Sampler is not valid";
+MSG kInvalidSamplerName = "name is not a valid sampler.";
+MSG kInvalidShaderBinaryFormat = "Invalid shader binary format.";
+MSG kInvalidShaderName = "Shader object expected.";
+MSG kInvalidShaderType = "Invalid shader type.";
+MSG kInvalidShadingModel = "Invalid shading model.";
+MSG kInvalidShadingRate = "Invalid shading rate.";
+MSG kInvalidSourceTexture = "Source texture is not a valid texture object.";
+MSG kInvalidSourceTextureInternalFormat = "Source texture internal format is invalid.";
+MSG kInvalidSourceTextureLevel = "Invalid source texture level.";
+MSG kInvalidSourceTextureSize = "Invalid source texture height or width.";
+MSG kInvalidSourceTextureType = "Source texture must be a valid texture type.";
+MSG kInvalidStencil = "Invalid stencil.";
+MSG kInvalidStencilBitMask = "Invalid stencil bit mask.";
+MSG kInvalidSyncPointer = "Not a valid sync pointer.";
+MSG kInvalidTarget = "Invalid target.";
+MSG kInvalidTextureCombine = "Invalid texture combine mode.";
+MSG kInvalidTextureCombineOp = "Invalid texture combine operand.";
+MSG kInvalidTextureCombineSrc = "Invalid texture combine source.";
+MSG kInvalidTextureEnvMode = "Invalid texture environment mode.";
+MSG kInvalidTextureEnvParameter = "Invalid texture environment parameter.";
+MSG kInvalidTextureEnvScale = "Invalid texture environment scale.";
+MSG kInvalidTextureEnvTarget = "Invalid texture environment target.";
+MSG kInvalidTextureFilterParam = "Texture filter not recognized.";
+MSG kInvalidTextureLevel = "Texture level does not exist.";
+MSG kInvalidTextureName = "Not a valid texture object name.";
+MSG kInvalidTextureRange = "Cannot be less than 0 or greater than maximum number of textures.";
+MSG kInvalidTextureTarget = "Invalid or unsupported texture target.";
+MSG kInvalidTextureType = "Texture has incompatible target.";
+MSG kInvalidTextureWrap = "Texture wrap mode not recognized.";
+MSG kInvalidTimeout = "Invalid value for timeout.";
+MSG kInvalidTransformation = "Invalid transformation.";
+MSG kInvalidTransformFeedbackAttribsCount = "Count exceeds MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS.";
+MSG kInvalidTransformFeedbackName = "name is not a valid transform feedback.";
+MSG kInvalidType = "Invalid type.";
+MSG kInvalidUniformCount = "Only array uniforms may have count > 1.";
+MSG kInvalidUniformLocation = "Invalid uniform location";
+MSG kInvalidUnpackAlignment = "Unpack alignment must be 1, 2, 4 or 8.";
+MSG kInvalidUnpackParametersForWebGL = "Invalid combination of unpack parameters for WebGL.";
+MSG kInvalidExternalUsageFlags = "Usage flags must only include bits defined by GL_ANGLE_external_objects_flags";
+MSG kInvalidValueExceedsMaxPatchSize = "Value must be less than or equal to MAX_PATCH_SIZE.";
+MSG kInvalidValueNonPositive = "Value must be greater than zero.";
+MSG kInvalidVaryingLocation = "Location exceeds max varying.";
+MSG kInvalidVertexArray = "Vertex array does not exist.";
+MSG kInvalidVertexArrayName = "name is not a valid vertex array.";
+MSG kInvalidVertexAttribSize2101010 = "Type is INT_2_10_10_10_REV or UNSIGNED_INT_2_10_10_10_REV and size is not 4.";
+MSG kInvalidVertexAttribSize1010102 = "Type is INT_10_10_10_2_OES or UNSIGNED_INT_10_10_10_2_OES and size is not 3 or 4.";
+MSG kInvalidVertexAttrSize = "Vertex attribute size must be 1, 2, 3, or 4.";
+MSG kInvalidVertexPointerSize = "Size for built-in vertex attribute is outside allowed range.";
+MSG kInvalidVertexPointerStride = "Invalid stride for built-in vertex attribute.";
+MSG kInvalidVertexPointerType = "Invalid type for built-in vertex attribute.";
+MSG kInvalidWidth = "Invalid width.";
+MSG kInvalidWrapModeTexture = "Invalid wrap mode for texture type.";
+MSG kInvalidZOffset = "zoffset is larger than MAX_3D_TEXTURE_SIZE-1";
+MSG kLengthZero = "Length must not be zero.";
+MSG kLevelNotZero = "Texture level must be zero.";
+MSG kLightParameterOutOfRange = "Light parameter out of range.";
+MSG kMapOutOfRange = "Mapped range does not fit into buffer dimensions.";
+MSG kMaterialParameterOutOfRange = "Material parameter out of range.";
+MSG kMatrixStackOverflow = "Current matrix stack is full.";
+MSG kMatrixStackUnderflow = "Current matrix stack has only a single matrix.";
+MSG kMaxActiveVariablesInterface = "MAX_NUM_ACTIVE_VARIABLES requires a buffer or block interface.";
+MSG kMismatchedFormat = "Format must match internal format.";
+MSG kMismatchedTargetAndFormat = "Invalid texture target and format combination.";
+MSG kMismatchedTypeAndFormat = "Invalid format and type combination.";
+MSG kMismatchedVariableProgram = "Variable is not part of the current program.";
+MSG kMissingName = "No name given.";
+MSG kMissingReadAttachment = "Missing read attachment.";
+MSG kMissingTexture = "No Texture is bound to the specified target.";
+MSG kMissingTextureName = "texture is not the name of an existing texture object.";
+MSG kMultisampleArrayExtensionRequired = "GL_ANGLE_texture_multisample_array not enabled.";
+MSG kMultisampleTextureExtensionOrES31Required = "GL_ANGLE_texture_multisample or GLES 3.1 required.";
+MSG kMultisampleTextureExtensionOrGetTexLevelParameterExtensionOrES31Required = "GL_ANGLE_texture_multisample, GL_ANGLE_get_tex_level_parameter or GLES 3.1 required.";
+MSG kMultiviewActive = "The number of views in the active draw framebuffer is greater than 1.";
+MSG kMultiviewMismatch = "The number of views in the active program and draw framebuffer does not match.";
+MSG kMultiviewNotAvailable = "ANGLE_multiview is not available.";
+MSG kMultiviewReadFramebuffer = "The active read framebuffer object has multiview attachments.";
+MSG kMultiviewTimerQuery = "There is an active query for target GL_TIME_ELAPSED_EXT when the number of views in the active draw framebuffer is greater than 1.";
+MSG kMultiviewTransformFeedback = "There is an active transform feedback object when the number of views in the active draw framebuffer is greater than 1.";
+MSG kMultiviewViewsTooLarge = "numViews cannot be greater than GL_MAX_VIEWS_ANGLE.";
+MSG kMultiviewViewsTooSmall = "numViews cannot be less than 1.";
+MSG kMustHaveElementArrayBinding = "Must have element array buffer bound.";
+MSG kNameBeginsWithGL = "Attributes that begin with 'gl_' are not allowed.";
+MSG kNegativeAttachments = "Negative number of attachments.";
+MSG kNegativeBaseViewIndex = "Negative baseViewIndex.";
+MSG kNegativeBufferSize = "Negative buffer size.";
+MSG kNegativeBufSize = "Invalid bufSize.";
+MSG kNegativeCount = "Negative count.";
+MSG kNegativeHeightWidthDepth = "Cannot have negative height, width, or depth.";
+MSG kNegativeLayer = "Negative layer.";
+MSG kNegativeLength = "Negative length.";
+MSG kNegativeLevel = "Level is negative.";
+MSG kNegativeLocation = "Location cannot be less than 0.";
+MSG kNegativeMaxCount = "Negative maxcount.";
+MSG kNegativeOffset = "Negative offset.";
+MSG kNegativeParam = "param is negative.";
+MSG kNegativePrimcount = "Primcount must be greater than or equal to zero.";
+MSG kNegativeSize = "Negative size.";
+MSG kNegativeStart = "Cannot have negative start.";
+MSG kNegativeStride = "Cannot have negative stride.";
+MSG kNegativeXYZ = "x = y = or z cannot be negative.";
+MSG kNoActiveComputeShaderStage = "No active compute shader stage in this program.";
+MSG kNoActiveGeometryShaderStage = "No active geometry shader stage in this program.";
+MSG kNoActiveGraphicsShaderStage = "It is a undefined behaviour to render without vertex shader stage or fragment shader stage.";
+MSG kNoActiveProgramWithComputeShader = "No active program for the compute shader stage.";
+MSG kNoDefinedClearConversion = "No defined conversion between clear value and attachment format.";
+MSG kNonPositiveDrawTextureDimension = "Both width and height argument of drawn texture must be positive.";
+MSG kNonPositiveSize = "Size must be greater than 0";
+MSG kNoProgramBinaryFormats = "No program binary formats supported.";
+MSG kNoReadFramebuffer = "No active read framebuffer.";
+MSG kNoSampleAlphaToCoveragesLimitation = "Current renderer doesn't support alpha-to-coverage.";
+MSG kNotTextureComplete = "The texture is not complete.";
+MSG kNoTransformArray = "No transform array given.";
+MSG kNoTransformFeedbackOutputVariables = "The active program has specified no output variables to record.";
+MSG kNoZeroDivisor = "At least one enabled attribute must have a divisor of zero.";
+MSG kNVFenceNotSupported = "GL_NV_fence is not supported";
+MSG kObjectNotGenerated = "Object cannot be used because it has not been generated.";
+MSG kOffsetAlignment = "offset must be a multiple of 4.";
+MSG kOffsetAndSizeAlignment = "Offset and size must be multiple of 4.";
+MSG kOffsetMustBeMultipleOfType = "Offset must be a multiple of the passed in datatype.";
+MSG kOffsetMustBeMultipleOfUint = "Offset must be a multiple of sizeof(uint) in basic machine units.";
+MSG kOffsetOverflow = "Offset overflows texture dimensions.";
+MSG kOtherQueryActive = "Other query is active.";
+MSG kOutsideOfBounds = "Parameter outside of bounds.";
+MSG kParamOverflow = "The provided parameters overflow with the provided buffer.";
+MSG kPixelDataNotNull = "Pixel data must be null.";
+MSG kPixelDataNull = "Pixel data cannot be null.";
+MSG kPixelPackBufferBoundForTransformFeedback = "It is undefined behavior to use a pixel pack buffer that is bound for transform feedback.";
+MSG kPixelUnpackBufferBoundForTransformFeedback = "It is undefined behavior to use a pixel unpack buffer that is bound for transform feedback.";
+MSG kPLSActive = "Operation not permitted while pixel local storage is active.";
+MSG kPLSDefaultFramebufferBound = "Default framebuffer object name 0 does not support pixel local storage.";
+MSG kPLSDitherEnabled = "Attempted to begin pixel local storage with GL_DITHER enabled.";
+MSG kPLSDimensionsDontMatchRenderingArea = "Pixel local storage backing texture dimensions not equal to the rendering area.";
+MSG kPLSEnablingDeinitializedPlane = "Attempted to enable a pixel local storage plane that is in a deinitialized state.";
+MSG kPLSExtensionNotEnabled = "GL_ANGLE_shader_pixel_local_storage not enabled.";
+MSG kPLSInactive = "Pixel local storage is not active.";
+MSG kPLSInvalidInternalformat = "Invalid pixel local storage internal format.";
+MSG kPLSInvalidLoadOperation = "Invalid pixel local storage Load Operation.";
+MSG kPLSInvalidTextureType = "Invalid pixel local storage texture type.";
+MSG kPLSKeepingMemorylessPlane = "Load Operation GL_KEEP is invalid for memoryless planes.";
+MSG kPLSMaxColorAttachmentsExceded = "Framebuffer cannot have images attached to color attachment points on or after COLOR_ATTACHMENT0 + MAX_COLOR_ATTACHMENTS_WITH_ACTIVE_PIXEL_LOCAL_STORAGE_ANGLE.";
+MSG kPLSMaxCombinedDrawBuffersAndPlanesExceded = "Framebuffer cannot have images attached to color attachment points on or after COLOR_ATTACHMENT0 + MAX_COMBINED_DRAW_BUFFERS_AND_PIXEL_LOCAL_STORAGE_PLANES_ANGLE - <planes>.";
+MSG kPLSMismatchedBackingTextureSizes = "Mismatched pixel local storage backing texture sizes.";
+MSG kPLSMultisamplingEnabled = "Attempted to begin pixel local storage with a multisampled framebuffer.";
+MSG kPLSNoAttachmentsNoTextureBacked = "Draw framebuffer has no attachments and no enabled, texture-backed pixel local storage planes.";
+MSG kPLSNullClearData = "cleardata cannot null if Load Operation GL_CLEAR_ANGLE is specified.";
+MSG kPLSNullLoadOps = "loadops cannot null.";
+MSG kPLSPlaneLessThanZero = "Plane cannot be less than 0.";
+MSG kPLSPlaneOutOfRange = "Plane must be less than GL_MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE.";
+MSG kPLSPlanesLessThanOne = "Planes must be greater than 0.";
+MSG kPLSPlanesOutOfRange = "Planes must be less than or equal to GL_MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE.";
+MSG kPLSRasterizerDiscardEnabled = "Attempted to begin pixel local storage with GL_RASTERIZER_DISCARD enabled.";
+MSG kPLSReservedDrawBufferInUse = "When beginning pixel local storage, glDrawBuffers must all be GL_NONE at indices greater than or equal to: min(GL_MAX_COLOR_ATTACHMENTS_WITH_ACTIVE_PLS_ANGLE, GL_MAX_COMBINED_DRAW_BUFFERS_AND_PLS_PLANES_ANGLE - <planes>).";
+MSG kPLSSampleAlphaToCoverageEnabled = "Attempted to begin pixel local storage with GL_SAMPLE_ALPHA_TO_COVERAGE enabled.";
+MSG kPLSSampleCoverageEnabled = "Attempted to begin pixel local storage with GL_SAMPLE_COVERAGE enabled.";
+MSG kPointSizeArrayExtensionNotEnabled = "GL_OES_point_size_array not enabled.";
+MSG kProgramDoesNotExist = "Program doesn't exist.";
+MSG kProgramInterfaceMustBeProgramOutput = "programInterface must be set to GL_PROGRAM_OUTPUT.";
+MSG kProgramNotBound = "A program must be bound.";
+MSG kProgramNotLinked = "Program not linked.";
+MSG kQueryActive = "Query is active.";
+MSG kQueryExtensionNotEnabled = "Query extension not enabled.";
+MSG kQueryInactive = "Query is not active.";
+MSG kQueryTargetMismatch = "Query type does not match target.";
+MSG kReadBufferNone = "Read buffer is GL_NONE.";
+MSG kReadBufferNotAttached = "Read buffer has no attachment.";
+MSG kRectangleTextureCompressed = "Rectangle texture cannot have a compressed format.";
+MSG kRelativeOffsetTooLarge = "relativeOffset cannot be greater than MAX_VERTEX_ATTRIB_RELATIVE_OFFSET.";
+MSG kRenderableInternalFormat = "SizedInternalformat must be color-renderable, depth-renderable, or stencil-renderable.";
+MSG kRenderbufferNotBound = "A renderbuffer must be bound.";
+MSG kResourceMaxRenderbufferSize = "Desired resource size is greater than max renderbuffer size.";
+MSG kResourceMaxTextureSize = "Desired resource size is greater than max texture size.";
+MSG kRobustResourceInitializationExtensionRequired = "EGL_ANGLE_robust_resource_initialization not enabled.";
+MSG kSamplerFormatMismatch = "Mismatch between texture format and sampler type (signed/unsigned/float/shadow).";
+MSG kSamplerUniformValueOutOfRange = "Sampler uniform value out of range.";
+MSG kSamplesOutOfRange = "Samples must not be greater than maximum supported value for the format.";
+MSG kSamplesZero = "Samples may not be zero.";
+MSG kShaderAttachmentHasShader = "Shader attachment already has a shader.";
+MSG kShaderSourceInvalidCharacters = "Shader source contains invalid characters.";
+MSG kShaderStorageBufferOffsetAlignment = "Offset must be multiple of value of SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT.";
+MSG kShaderToDetachMustBeAttached = "Shader to be detached must be currently attached to the program.";
+MSG kShadingRateExtensionNotAvailable = "GL_QCOM_shading_rate extension not available.";
+MSG kSourceLevelNotDefined = "The source level of the source texture must be defined.";
+MSG kSourceTextureLevelZeroDefined = "Source texture must level 0 defined.";
+MSG kSourceTextureMustBeCompressed = "Source texture must have a compressed internal format.";
+MSG kSourceTextureTooSmall = "The specified dimensions are outside of the bounds of the texture.";
+MSG kStencilReferenceMaskOrMismatch = "Stencil reference and mask values must be the same for front facing and back facing triangles.";
+MSG kStrideExceedsWebGLLimit = "Stride is over the maximum stride allowed by WebGL.";
+MSG kStrideMustBeMultipleOfType = "Stride must be a multiple of the passed in datatype.";
+MSG kSyncMissing = "Sync object does not exist.";
+MSG kTargetMustBeTexture2DMultisampleArrayOES = "Target must be TEXTURE_2D_MULTISAMPLE_ARRAY_OES.";
+MSG kTessellationShaderExtensionNotEnabled = "GL_EXT_tessellation_shader extension not enabled.";
+MSG kTessellationShaderRequiresBothControlAndEvaluation = "Tessellation requires both control and evaluation shaders.";
+MSG kTessellationShaderRequiresVertexShader = "Any command that transfers vertices to the GL requires a vertex shader if the current program uses a tessellation shader.";
+MSG kTextureBufferExtensionNotAvailable = "Texture buffer extension not available.";
+MSG kTextureBufferOffsetAlignment = "Offset must be multiple of value of TEXTURE_BUFFER_OFFSET_ALIGNMENT.";
+MSG kTextureBufferSize = "Texture buffer size must be a positive integer.";
+MSG kTextureBufferSizeOffset = "Texture buffer offset + size must be less than or equal to BUFFER_SIZE.";
+MSG kTextureBufferTarget = "Target must be TEXTURE_BUFFER.";
+MSG kTextureBufferInternalFormat = "Internal format is not an accepted sized internal format.";
+MSG kTextureBufferInvalidBuffer = "If buffer is nonzero, it must match the name of an existing buffer object.";
+MSG kTextureFormatMismatch = "Passed in texture target and format must match the one originally used to define the texture.";
+MSG kTextureIsImmutable = "Texture is immutable.";
+MSG kTextureIsNotImmutable = "Texture is not immutable.";
+MSG kTextureIsNeitherImmutableNorTextureBuffer = "Texture is not the name of an immutable texture object or a buffer texture.";
+MSG kTextureLayerOutOfRange = "Layer is larger than texture depth.";
+MSG kTextureLevelOutOfRange = "Level is larger than texture level count.";
+MSG kTextureNotBound = "A texture must be bound.";
+MSG kTextureNotPow2 = "The texture is a non-power-of-two texture.";
+MSG kTextureRectangleNotSupported = "Context does not support GL_ANGLE_texture_rectangle";
+MSG kTextureSizeTooSmall = "Texture dimensions must all be greater than zero.";
+MSG kTextureTargetMismatch = "Textarget must match the texture target type.";
+MSG kTextureTargetMismatchWithLabel = "Textarget must match the texture target type. Requested: %d Texture's: %d label: %s";
+MSG kTextureTargetRequiresES31 = "Texture target requires at least OpenGL ES 3.1.";
+MSG kTextureTypeConflict = "Two textures of different types use the same sampler location.";
+MSG kTextureTypeMismatch = "Passed in texture type must match the one originally used to define the texture.";
+MSG kTextureWidthOrHeightOutOfRange = "Width and height must be less than or equal to GL_MAX_TEXTURE_SIZE.";
+MSG kTextureDepthOutOfRange = "Depth must be less than or equal to MAX_ARRAY_TEXTURE_LAYERS";
+MSG kTransfomFeedbackAlreadyActive = "Transform feedback is already active.";
+MSG kTransformFeedbackActiveDelete = "Attempt to delete an active transform feedback.";
+MSG kTransformFeedbackActiveDuringLink = "Cannot link program while program is associated with an active transform feedback object.";
+MSG kTransformFeedbackBufferDoubleBound = "A transform feedback buffer that would be written to is also bound to a non-transform-feedback target, which would cause undefined behavior.";
+MSG kTransformFeedbackBufferMissing = "Every binding point used in transform feedback mode must have a buffer object bound.";
+MSG kTransformFeedbackBufferMultipleOutputs = "Transform feedback has a buffer bound to multiple outputs.";
+MSG kTransformFeedbackBufferTooSmall = "Not enough space in bound transform feedback buffers.";
+MSG kTransformFeedbackDoesNotExist = "Transform feedback object that does not exist.";
+MSG kTransformFeedbackNotActive = "No Transform Feedback object is active.";
+MSG kTransformFeedbackNotPaused = "The active Transform Feedback object is not paused.";
+MSG kTransformFeedbackPaused = "The active Transform Feedback object is paused.";
+MSG kTransformFeedbackProgramBinary = "Cannot change program binary while program is associated with an active transform feedback object.";
+MSG kTransformFeedbackTargetActive = "Target is TRANSFORM_FEEDBACK_BUFFER and transform feedback is currently active.";
+MSG kTransformFeedbackUseProgram = "Cannot change active program while transform feedback is unpaused.";
+MSG kTransformFeedbackVaryingIndexOutOfRange = "Index must be less than the transform feedback varying count in the program.";
+MSG kTypeNotUnsignedShortByte = "Only UNSIGNED_SHORT and UNSIGNED_BYTE types are supported.";
+MSG kUniformBufferBoundForTransformFeedback = "It is undefined behavior to use an uniform buffer that is bound for transform feedback.";
+MSG kUniformBufferOffsetAlignment = "Offset must be multiple of value of UNIFORM_BUFFER_OFFSET_ALIGNMENT.";
+MSG kUniformBufferTooSmall = "It is undefined behaviour to use a uniform buffer that is too small.";
+MSG kUniformBufferUnbound = "It is undefined behaviour to have a used but unbound uniform buffer.";
+MSG kUniformSizeMismatch = "Uniform size does not match uniform method.";
+MSG kUniformTypeMismatch = "Uniform type does not match uniform method.";
+MSG kUnimplementedComputeShaderPrecision = "Compute shader precision not yet implemented.";
+MSG kUnknownParameter = "Unknown parameter value.";
+MSG kUnsizedInternalFormatUnsupported = "Internalformat is one of the unsupported unsized base internalformats.";
+MSG kUnsupportedDrawModeForTransformFeedback = "The draw command is unsupported when transform feedback is active and not paused.";
+MSG kUnsupportedFloatBlending = "GL_BLEND with floating-point color attachments requires the EXT_float_blend extension.";
+MSG kVertexArrayNoBuffer = "An enabled vertex array has no buffer.";
+MSG kVertexArrayNoBufferPointer = "An enabled vertex array has no buffer and no pointer.";
+MSG kVertexBufferBoundForTransformFeedback = "It is undefined behavior to use a vertex buffer that is bound for transform feedback.";
+MSG kVertexShaderTypeMismatch = "Vertex shader input type does not match the type of the bound vertex attribute.";
+MSG kViewportNegativeSize = "Viewport size cannot be negative.";
+MSG kViewsExceedMaxArrayLayers = "baseViewIndex+numViews cannot be greater than GL_MAX_ARRAY_TEXTURE_LAYERS.";
+MSG kWebgl2NameLengthLimitExceeded = "Location lengths must not be greater than 1024 characters.";
+MSG kWebglBindAttribLocationReservedPrefix = "Attributes that begin with 'webgl_', or '_webgl_' are not allowed.";
+MSG kWebglNameLengthLimitExceeded = "Location name lengths must not be greater than 256 characters.";
+MSG kYUVOutputMissmatch = "Program and framebuffer YUV output state does not match.";
+MSG kYUVTargetExtensionRequired = "GL_EXT_YUV_target not enabled.";
+MSG kZeroBoundToTarget = "Zero is bound to target.";
+MSG kUnrecognizedShaderStageBit = "Unrecognized shader stage bit.";
+MSG kProgramNotSeparable = "Program object was not linked with its PROGRAM_SEPARABLE status set.";
+MSG kProgramPipelineDoesNotExist = "Program pipeline does not exist.";
+MSG kNotAllStagesOfSeparableProgramUsed = "A program object is active for at least one, but not all of the shader stages that were present when the program was linked.";
+MSG kNoExecutableCodeInstalled = "There is no current program object specified by UseProgram, there is a current program pipeline object, and that object is empty (no executable code is installed for any stage).";
+MSG kProgramPipelineLinkFailed = "Program pipeline link failed";
+MSG kProtectedTexturesExtensionRequired = "GL_EXT_protected_textures not enabled.";
+
+// clang-format on
+
+#undef MSG
+}  // namespace err
+}  // namespace gl
+#endif  // LIBANGLE_ERRORSTRINGS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Fence.cpp b/gfx/angle/checkout/src/libANGLE/Fence.cpp
new file mode 100644
index 0000000000..af173dff29
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Fence.cpp
@@ -0,0 +1,124 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Fence.cpp: Implements the gl::FenceNV and gl::Sync classes.
+
+#include "libANGLE/Fence.h"
+
+#include "angle_gl.h"
+
+#include "common/utilities.h"
+#include "libANGLE/renderer/FenceNVImpl.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/SyncImpl.h"
+
+namespace gl
+{
+
+FenceNV::FenceNV(rx::GLImplFactory *factory)
+    : mFence(factory->createFenceNV()), mIsSet(false), mStatus(GL_FALSE), mCondition(GL_NONE)
+{}
+
+FenceNV::~FenceNV()
+{
+    SafeDelete(mFence);
+}
+
+void FenceNV::onDestroy(const gl::Context *context)
+{
+    mFence->onDestroy(context);
+}
+
+angle::Result FenceNV::set(const Context *context, GLenum condition)
+{
+    ANGLE_TRY(mFence->set(context, condition));
+
+    mCondition = condition;
+    mStatus    = GL_FALSE;
+    mIsSet     = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result FenceNV::test(const Context *context, GLboolean *outResult)
+{
+    // Flush the command buffer by default
+    ANGLE_TRY(mFence->test(context, &mStatus));
+
+    *outResult = mStatus;
+    return angle::Result::Continue;
+}
+
+angle::Result FenceNV::finish(const Context *context)
+{
+    ASSERT(mIsSet);
+
+    ANGLE_TRY(mFence->finish(context));
+
+    mStatus = GL_TRUE;
+
+    return angle::Result::Continue;
+}
+
+Sync::Sync(rx::GLImplFactory *factory, GLuint id)
+    : RefCountObject(factory->generateSerial(), id),
+      mFence(factory->createSync()),
+      mLabel(),
+      mCondition(GL_SYNC_GPU_COMMANDS_COMPLETE),
+      mFlags(0)
+{}
+
+void Sync::onDestroy(const Context *context)
+{
+    ASSERT(mFence);
+    mFence->onDestroy(context);
+}
+
+Sync::~Sync()
+{
+    SafeDelete(mFence);
+}
+
+angle::Result Sync::setLabel(const Context *context, const std::string &label)
+{
+    mLabel = label;
+    return angle::Result::Continue;
+}
+
+const std::string &Sync::getLabel() const
+{
+    return mLabel;
+}
+
+angle::Result Sync::set(const Context *context, GLenum condition, GLbitfield flags)
+{
+    ANGLE_TRY(mFence->set(context, condition, flags));
+
+    mCondition = condition;
+    mFlags     = flags;
+    return angle::Result::Continue;
+}
+
+angle::Result Sync::clientWait(const Context *context,
+                               GLbitfield flags,
+                               GLuint64 timeout,
+                               GLenum *outResult)
+{
+    ASSERT(mCondition != GL_NONE);
+    return mFence->clientWait(context, flags, timeout, outResult);
+}
+
+angle::Result Sync::serverWait(const Context *context, GLbitfield flags, GLuint64 timeout)
+{
+    return mFence->serverWait(context, flags, timeout);
+}
+
+angle::Result Sync::getStatus(const Context *context, GLint *outResult) const
+{
+    return mFence->getStatus(context, outResult);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Fence.h b/gfx/angle/checkout/src/libANGLE/Fence.h
new file mode 100644
index 0000000000..2852b328fd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Fence.h
@@ -0,0 +1,88 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Fence.h: Defines the gl::FenceNV and gl::Sync classes, which support the GL_NV_fence
+// extension and GLES3 sync objects.
+
+#ifndef LIBANGLE_FENCE_H_
+#define LIBANGLE_FENCE_H_
+
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+#include "common/angleutils.h"
+
+namespace rx
+{
+class GLImplFactory;
+class FenceNVImpl;
+class SyncImpl;
+}  // namespace rx
+
+namespace gl
+{
+
+class FenceNV final : angle::NonCopyable
+{
+  public:
+    explicit FenceNV(rx::GLImplFactory *factory);
+    virtual ~FenceNV();
+
+    void onDestroy(const gl::Context *context);
+    angle::Result set(const Context *context, GLenum condition);
+    angle::Result test(const Context *context, GLboolean *outResult);
+    angle::Result finish(const Context *context);
+
+    bool isSet() const { return mIsSet; }
+    GLboolean getStatus() const { return mStatus; }
+    GLenum getCondition() const { return mCondition; }
+
+  private:
+    rx::FenceNVImpl *mFence;
+
+    bool mIsSet;
+
+    GLboolean mStatus;
+    GLenum mCondition;
+};
+
+class Sync final : public RefCountObject<GLuint>, public LabeledObject
+{
+  public:
+    Sync(rx::GLImplFactory *factory, GLuint id);
+    ~Sync() override;
+
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    angle::Result set(const Context *context, GLenum condition, GLbitfield flags);
+    angle::Result clientWait(const Context *context,
+                             GLbitfield flags,
+                             GLuint64 timeout,
+                             GLenum *outResult);
+    angle::Result serverWait(const Context *context, GLbitfield flags, GLuint64 timeout);
+    angle::Result getStatus(const Context *context, GLint *outResult) const;
+
+    GLenum getCondition() const { return mCondition; }
+    GLbitfield getFlags() const { return mFlags; }
+
+    rx::SyncImpl *getImplementation() const { return mFence; }
+
+  private:
+    rx::SyncImpl *mFence;
+
+    std::string mLabel;
+
+    GLenum mCondition;
+    GLbitfield mFlags;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_FENCE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Framebuffer.cpp b/gfx/angle/checkout/src/libANGLE/Framebuffer.cpp
new file mode 100644
index 0000000000..08250b0b2d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Framebuffer.cpp
@@ -0,0 +1,2727 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Framebuffer.cpp: Implements the gl::Framebuffer class. Implements GL framebuffer
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105.
+
+#include "libANGLE/Framebuffer.h"
+
+#include "common/Optional.h"
+#include "common/bitset_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/PixelLocalStorage.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/FramebufferImpl.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/RenderbufferImpl.h"
+#include "libANGLE/renderer/SurfaceImpl.h"
+
+using namespace angle;
+
+namespace gl
+{
+
+namespace
+{
+
+// Check the |checkAttachment| in reference to |firstAttachment| for the sake of multiview
+// framebuffer completeness.
+FramebufferStatus CheckMultiviewStateMatchesForCompleteness(
+    const FramebufferAttachment *firstAttachment,
+    const FramebufferAttachment *checkAttachment)
+{
+    ASSERT(firstAttachment && checkAttachment);
+    ASSERT(firstAttachment->isAttached() && checkAttachment->isAttached());
+
+    if (firstAttachment->isMultiview() != checkAttachment->isMultiview())
+    {
+        return FramebufferStatus::Incomplete(GL_FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR,
+                                             err::kFramebufferIncompleteMultiviewMismatch);
+    }
+    if (firstAttachment->getNumViews() != checkAttachment->getNumViews())
+    {
+        return FramebufferStatus::Incomplete(GL_FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR,
+                                             err::kFramebufferIncompleteMultiviewViewsMismatch);
+    }
+    if (checkAttachment->getBaseViewIndex() + checkAttachment->getNumViews() >
+        checkAttachment->getSize().depth)
+    {
+        return FramebufferStatus::Incomplete(GL_FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR,
+                                             err::kFramebufferIncompleteMultiviewBaseViewMismatch);
+    }
+
+    return FramebufferStatus::Complete();
+}
+
+FramebufferStatus CheckAttachmentCompleteness(const Context *context,
+                                              const FramebufferAttachment &attachment)
+{
+    ASSERT(attachment.isAttached());
+
+    const Extents &size = attachment.getSize();
+    if (size.width == 0 || size.height == 0)
+    {
+        return FramebufferStatus::Incomplete(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                                             err::kFramebufferIncompleteAttachmentZeroSize);
+    }
+
+    if (!attachment.isRenderable(context))
+    {
+        return FramebufferStatus::Incomplete(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                                             err::kFramebufferIncompleteAttachmentNotRenderable);
+    }
+
+    if (attachment.type() == GL_TEXTURE)
+    {
+        // [EXT_geometry_shader] Section 9.4.1, "Framebuffer Completeness"
+        // If <image> is a three-dimensional texture or a two-dimensional array texture and the
+        // attachment is not layered, the selected layer is less than the depth or layer count,
+        // respectively, of the texture.
+        if (!attachment.isLayered())
+        {
+            if (attachment.layer() >= size.depth)
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                    err::kFramebufferIncompleteAttachmentLayerGreaterThanDepth);
+            }
+        }
+        // If <image> is a three-dimensional texture or a two-dimensional array texture and the
+        // attachment is layered, the depth or layer count, respectively, of the texture is less
+        // than or equal to the value of MAX_FRAMEBUFFER_LAYERS_EXT.
+        else
+        {
+            if (size.depth >= context->getCaps().maxFramebufferLayers)
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                    err::kFramebufferIncompleteAttachmentDepthGreaterThanMaxLayers);
+            }
+        }
+
+        // ES3 specifies that cube map texture attachments must be cube complete.
+        // This language is missing from the ES2 spec, but we enforce it here because some
+        // desktop OpenGL drivers also enforce this validation.
+        // TODO(jmadill): Check if OpenGL ES2 drivers enforce cube completeness.
+        const Texture *texture = attachment.getTexture();
+        ASSERT(texture);
+        if (texture->getType() == TextureType::CubeMap &&
+            !texture->getTextureState().isCubeComplete())
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                err::kFramebufferIncompleteAttachmentNotCubeComplete);
+        }
+
+        if (!texture->getImmutableFormat())
+        {
+            GLuint attachmentMipLevel = static_cast<GLuint>(attachment.mipLevel());
+
+            // From the ES 3.0 spec, pg 213:
+            // If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is TEXTURE and the value of
+            // FRAMEBUFFER_ATTACHMENT_OBJECT_NAME does not name an immutable-format texture,
+            // then the value of FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL must be in the
+            // range[levelbase, q], where levelbase is the value of TEXTURE_BASE_LEVEL and q is
+            // the effective maximum texture level defined in the Mipmapping discussion of
+            // section 3.8.10.4.
+            if (attachmentMipLevel < texture->getBaseLevel() ||
+                attachmentMipLevel > texture->getMipmapMaxLevel())
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                    err::kFramebufferIncompleteAttachmentLevelOutOfBaseMaxLevelRange);
+            }
+
+            // Form the ES 3.0 spec, pg 213/214:
+            // If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is TEXTURE and the value of
+            // FRAMEBUFFER_ATTACHMENT_OBJECT_NAME does not name an immutable-format texture and
+            // the value of FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL is not levelbase, then the
+            // texture must be mipmap complete, and if FRAMEBUFFER_ATTACHMENT_OBJECT_NAME names
+            // a cubemap texture, the texture must also be cube complete.
+            if (attachmentMipLevel != texture->getBaseLevel() && !texture->isMipmapComplete())
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                    err::kFramebufferIncompleteAttachmentLevelNotBaseLevelForIncompleteMipTexture);
+            }
+        }
+    }
+
+    return FramebufferStatus::Complete();
+}
+
+FramebufferStatus CheckAttachmentSampleCounts(const Context *context,
+                                              GLsizei currAttachmentSamples,
+                                              GLsizei samples,
+                                              bool colorAttachment)
+{
+    if (currAttachmentSamples != samples)
+    {
+        if (colorAttachment)
+        {
+            // APPLE_framebuffer_multisample, which EXT_draw_buffers refers to, requires that
+            // all color attachments have the same number of samples for the FBO to be complete.
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE,
+                err::kFramebufferIncompleteMultisampleInconsistentSampleCounts);
+        }
+        else
+        {
+            // CHROMIUM_framebuffer_mixed_samples allows a framebuffer to be considered complete
+            // when its depth or stencil samples are a multiple of the number of color samples.
+            if (!context->getExtensions().framebufferMixedSamplesCHROMIUM)
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE,
+                    err::kFramebufferIncompleteMultisampleInconsistentSampleCounts);
+            }
+
+            if ((currAttachmentSamples % std::max(samples, 1)) != 0)
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE,
+                    err::
+                        kFramebufferIncompleteMultisampleDepthStencilSampleCountDivisibleByColorSampleCount);
+            }
+        }
+    }
+
+    return FramebufferStatus::Complete();
+}
+
+FramebufferStatus CheckAttachmentSampleCompleteness(const Context *context,
+                                                    const FramebufferAttachment &attachment,
+                                                    bool colorAttachment,
+                                                    Optional<int> *samples,
+                                                    Optional<bool> *fixedSampleLocations,
+                                                    Optional<int> *renderToTextureSamples)
+{
+    ASSERT(attachment.isAttached());
+
+    if (attachment.type() == GL_TEXTURE)
+    {
+        const Texture *texture = attachment.getTexture();
+        ASSERT(texture);
+        GLenum sizedInternalFormat    = attachment.getFormat().info->sizedInternalFormat;
+        const TextureCaps &formatCaps = context->getTextureCaps().get(sizedInternalFormat);
+        if (static_cast<GLuint>(attachment.getSamples()) > formatCaps.getMaxSamples())
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE,
+                err::kFramebufferIncompleteAttachmentSamplesGreaterThanMaxSupportedSamples);
+        }
+
+        const ImageIndex &attachmentImageIndex = attachment.getTextureImageIndex();
+        bool fixedSampleloc = texture->getAttachmentFixedSampleLocations(attachmentImageIndex);
+        if (fixedSampleLocations->valid() && fixedSampleloc != fixedSampleLocations->value())
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE,
+                err::kFramebufferIncompleteMultisampleInconsistentFixedSampleLocations);
+        }
+        else
+        {
+            *fixedSampleLocations = fixedSampleloc;
+        }
+    }
+
+    if (renderToTextureSamples->valid())
+    {
+        // Only check against RenderToTextureSamples if they actually exist.
+        if (renderToTextureSamples->value() !=
+            FramebufferAttachment::kDefaultRenderToTextureSamples)
+        {
+            FramebufferStatus sampleCountStatus =
+                CheckAttachmentSampleCounts(context, attachment.getRenderToTextureSamples(),
+                                            renderToTextureSamples->value(), colorAttachment);
+            if (!sampleCountStatus.isComplete())
+            {
+                return sampleCountStatus;
+            }
+        }
+    }
+    else
+    {
+        *renderToTextureSamples = attachment.getRenderToTextureSamples();
+    }
+
+    if (samples->valid())
+    {
+        // RenderToTextureSamples takes precedence if they exist.
+        if (renderToTextureSamples->value() ==
+            FramebufferAttachment::kDefaultRenderToTextureSamples)
+        {
+
+            FramebufferStatus sampleCountStatus = CheckAttachmentSampleCounts(
+                context, attachment.getSamples(), samples->value(), colorAttachment);
+            if (!sampleCountStatus.isComplete())
+            {
+                return sampleCountStatus;
+            }
+        }
+    }
+    else
+    {
+        *samples = attachment.getSamples();
+    }
+
+    return FramebufferStatus::Complete();
+}
+
+// Needed to index into the attachment arrays/bitsets.
+static_assert(static_cast<size_t>(IMPLEMENTATION_MAX_DRAW_BUFFERS) ==
+                  Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_MAX,
+              "Framebuffer Dirty bit mismatch");
+static_assert(static_cast<size_t>(IMPLEMENTATION_MAX_DRAW_BUFFERS) ==
+                  Framebuffer::DIRTY_BIT_DEPTH_ATTACHMENT,
+              "Framebuffer Dirty bit mismatch");
+static_assert(static_cast<size_t>(IMPLEMENTATION_MAX_DRAW_BUFFERS + 1) ==
+                  Framebuffer::DIRTY_BIT_STENCIL_ATTACHMENT,
+              "Framebuffer Dirty bit mismatch");
+
+angle::Result InitAttachment(const Context *context, FramebufferAttachment *attachment)
+{
+    ASSERT(attachment->isAttached());
+    if (attachment->initState() == InitState::MayNeedInit)
+    {
+        ANGLE_TRY(attachment->initializeContents(context));
+    }
+    return angle::Result::Continue;
+}
+
+bool AttachmentOverlapsWithTexture(const FramebufferAttachment &attachment,
+                                   const Texture *texture,
+                                   const Sampler *sampler)
+{
+    if (!attachment.isTextureWithId(texture->id()))
+    {
+        return false;
+    }
+
+    const gl::ImageIndex &index      = attachment.getTextureImageIndex();
+    GLuint attachmentLevel           = static_cast<GLuint>(index.getLevelIndex());
+    GLuint textureEffectiveBaseLevel = texture->getTextureState().getEffectiveBaseLevel();
+    GLuint textureMaxLevel           = textureEffectiveBaseLevel;
+    if ((sampler && IsMipmapFiltered(sampler->getSamplerState().getMinFilter())) ||
+        IsMipmapFiltered(texture->getSamplerState().getMinFilter()))
+    {
+        textureMaxLevel = texture->getMipmapMaxLevel();
+    }
+
+    return attachmentLevel >= textureEffectiveBaseLevel && attachmentLevel <= textureMaxLevel;
+}
+
+}  // anonymous namespace
+
+bool FramebufferStatus::isComplete() const
+{
+    return status == GL_FRAMEBUFFER_COMPLETE;
+}
+
+FramebufferStatus FramebufferStatus::Complete()
+{
+    FramebufferStatus result;
+    result.status = GL_FRAMEBUFFER_COMPLETE;
+    result.reason = nullptr;
+    return result;
+}
+
+FramebufferStatus FramebufferStatus::Incomplete(GLenum status, const char *reason)
+{
+    ASSERT(status != GL_FRAMEBUFFER_COMPLETE);
+
+    FramebufferStatus result;
+    result.status = status;
+    result.reason = reason;
+    return result;
+}
+
+// This constructor is only used for default framebuffers.
+FramebufferState::FramebufferState(rx::Serial serial)
+    : mId(Framebuffer::kDefaultDrawFramebufferHandle),
+      mFramebufferSerial(serial),
+      mLabel(),
+      mColorAttachments(1),
+      mColorAttachmentsMask(0),
+      mDrawBufferStates(1, GL_BACK),
+      mReadBufferState(GL_BACK),
+      mDrawBufferTypeMask(),
+      mDefaultWidth(0),
+      mDefaultHeight(0),
+      mDefaultSamples(0),
+      mDefaultFixedSampleLocations(GL_FALSE),
+      mDefaultLayers(0),
+      mFlipY(GL_FALSE),
+      mWebGLDepthStencilConsistent(true),
+      mDefaultFramebufferReadAttachmentInitialized(false),
+      mSrgbWriteControlMode(SrgbWriteControlMode::Default)
+{
+    ASSERT(mDrawBufferStates.size() > 0);
+    mEnabledDrawBuffers.set(0);
+}
+
+FramebufferState::FramebufferState(const Caps &caps, FramebufferID id, rx::Serial serial)
+    : mId(id),
+      mFramebufferSerial(serial),
+      mLabel(),
+      mColorAttachments(caps.maxColorAttachments),
+      mColorAttachmentsMask(0),
+      mDrawBufferStates(caps.maxDrawBuffers, GL_NONE),
+      mReadBufferState(GL_COLOR_ATTACHMENT0_EXT),
+      mDrawBufferTypeMask(),
+      mDefaultWidth(0),
+      mDefaultHeight(0),
+      mDefaultSamples(0),
+      mDefaultFixedSampleLocations(GL_FALSE),
+      mDefaultLayers(0),
+      mFlipY(GL_FALSE),
+      mWebGLDepthStencilConsistent(true),
+      mDefaultFramebufferReadAttachmentInitialized(false),
+      mSrgbWriteControlMode(SrgbWriteControlMode::Default)
+{
+    ASSERT(mId != Framebuffer::kDefaultDrawFramebufferHandle);
+    ASSERT(mDrawBufferStates.size() > 0);
+    mDrawBufferStates[0] = GL_COLOR_ATTACHMENT0_EXT;
+}
+
+FramebufferState::~FramebufferState() {}
+
+const std::string &FramebufferState::getLabel() const
+{
+    return mLabel;
+}
+
+const FramebufferAttachment *FramebufferState::getAttachment(const Context *context,
+                                                             GLenum attachment) const
+{
+    if (attachment >= GL_COLOR_ATTACHMENT0 && attachment <= GL_COLOR_ATTACHMENT15)
+    {
+        return getColorAttachment(attachment - GL_COLOR_ATTACHMENT0);
+    }
+
+    // WebGL1 allows a developer to query for attachment parameters even when "inconsistant" (i.e.
+    // multiple conflicting attachment points) and requires us to return the framebuffer attachment
+    // associated with WebGL.
+    switch (attachment)
+    {
+        case GL_COLOR:
+        case GL_BACK:
+            return getColorAttachment(0);
+        case GL_DEPTH:
+        case GL_DEPTH_ATTACHMENT:
+            if (context->isWebGL1())
+            {
+                return getWebGLDepthAttachment();
+            }
+            else
+            {
+                return getDepthAttachment();
+            }
+        case GL_STENCIL:
+        case GL_STENCIL_ATTACHMENT:
+            if (context->isWebGL1())
+            {
+                return getWebGLStencilAttachment();
+            }
+            else
+            {
+                return getStencilAttachment();
+            }
+        case GL_DEPTH_STENCIL:
+        case GL_DEPTH_STENCIL_ATTACHMENT:
+            if (context->isWebGL1())
+            {
+                return getWebGLDepthStencilAttachment();
+            }
+            else
+            {
+                return getDepthStencilAttachment();
+            }
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+uint32_t FramebufferState::getReadIndex() const
+{
+    ASSERT(mReadBufferState == GL_BACK ||
+           (mReadBufferState >= GL_COLOR_ATTACHMENT0 && mReadBufferState <= GL_COLOR_ATTACHMENT15));
+    uint32_t readIndex = mReadBufferState == GL_BACK ? 0 : mReadBufferState - GL_COLOR_ATTACHMENT0;
+    ASSERT(readIndex < mColorAttachments.size());
+    return readIndex;
+}
+
+const FramebufferAttachment *FramebufferState::getReadAttachment() const
+{
+    if (mReadBufferState == GL_NONE)
+    {
+        return nullptr;
+    }
+
+    uint32_t readIndex = getReadIndex();
+    const gl::FramebufferAttachment &framebufferAttachment =
+        isDefault() ? mDefaultFramebufferReadAttachment : mColorAttachments[readIndex];
+
+    return framebufferAttachment.isAttached() ? &framebufferAttachment : nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getReadPixelsAttachment(GLenum readFormat) const
+{
+    switch (readFormat)
+    {
+        case GL_DEPTH_COMPONENT:
+            return getDepthAttachment();
+        case GL_STENCIL_INDEX_OES:
+            return getStencilOrDepthStencilAttachment();
+        case GL_DEPTH_STENCIL_OES:
+            return getDepthStencilAttachment();
+        default:
+            return getReadAttachment();
+    }
+}
+
+const FramebufferAttachment *FramebufferState::getFirstNonNullAttachment() const
+{
+    auto *colorAttachment = getFirstColorAttachment();
+    if (colorAttachment)
+    {
+        return colorAttachment;
+    }
+    return getDepthOrStencilAttachment();
+}
+
+const FramebufferAttachment *FramebufferState::getFirstColorAttachment() const
+{
+    for (const FramebufferAttachment &colorAttachment : mColorAttachments)
+    {
+        if (colorAttachment.isAttached())
+        {
+            return &colorAttachment;
+        }
+    }
+
+    return nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getDepthOrStencilAttachment() const
+{
+    if (mDepthAttachment.isAttached())
+    {
+        return &mDepthAttachment;
+    }
+    if (mStencilAttachment.isAttached())
+    {
+        return &mStencilAttachment;
+    }
+    return nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getStencilOrDepthStencilAttachment() const
+{
+    if (mStencilAttachment.isAttached())
+    {
+        return &mStencilAttachment;
+    }
+    return getDepthStencilAttachment();
+}
+
+const FramebufferAttachment *FramebufferState::getColorAttachment(size_t colorAttachment) const
+{
+    ASSERT(colorAttachment < mColorAttachments.size());
+    return mColorAttachments[colorAttachment].isAttached() ? &mColorAttachments[colorAttachment]
+                                                           : nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getDepthAttachment() const
+{
+    return mDepthAttachment.isAttached() ? &mDepthAttachment : nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getWebGLDepthAttachment() const
+{
+    return mWebGLDepthAttachment.isAttached() ? &mWebGLDepthAttachment : nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getWebGLDepthStencilAttachment() const
+{
+    return mWebGLDepthStencilAttachment.isAttached() ? &mWebGLDepthStencilAttachment : nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getStencilAttachment() const
+{
+    return mStencilAttachment.isAttached() ? &mStencilAttachment : nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getWebGLStencilAttachment() const
+{
+    return mWebGLStencilAttachment.isAttached() ? &mWebGLStencilAttachment : nullptr;
+}
+
+const FramebufferAttachment *FramebufferState::getDepthStencilAttachment() const
+{
+    // A valid depth-stencil attachment has the same resource bound to both the
+    // depth and stencil attachment points.
+    if (mDepthAttachment.isAttached() && mStencilAttachment.isAttached() &&
+        mDepthAttachment == mStencilAttachment)
+    {
+        return &mDepthAttachment;
+    }
+
+    return nullptr;
+}
+
+const Extents FramebufferState::getAttachmentExtentsIntersection() const
+{
+    int32_t width  = std::numeric_limits<int32_t>::max();
+    int32_t height = std::numeric_limits<int32_t>::max();
+    for (const FramebufferAttachment &attachment : mColorAttachments)
+    {
+        if (attachment.isAttached())
+        {
+            width  = std::min(width, attachment.getSize().width);
+            height = std::min(height, attachment.getSize().height);
+        }
+    }
+
+    if (mDepthAttachment.isAttached())
+    {
+        width  = std::min(width, mDepthAttachment.getSize().width);
+        height = std::min(height, mDepthAttachment.getSize().height);
+    }
+
+    if (mStencilAttachment.isAttached())
+    {
+        width  = std::min(width, mStencilAttachment.getSize().width);
+        height = std::min(height, mStencilAttachment.getSize().height);
+    }
+
+    return Extents(width, height, 0);
+}
+
+bool FramebufferState::attachmentsHaveSameDimensions() const
+{
+    Optional<Extents> attachmentSize;
+
+    auto hasMismatchedSize = [&attachmentSize](const FramebufferAttachment &attachment) {
+        if (!attachment.isAttached())
+        {
+            return false;
+        }
+
+        if (!attachmentSize.valid())
+        {
+            attachmentSize = attachment.getSize();
+            return false;
+        }
+
+        const auto &prevSize = attachmentSize.value();
+        const auto &curSize  = attachment.getSize();
+        return (curSize.width != prevSize.width || curSize.height != prevSize.height);
+    };
+
+    for (const auto &attachment : mColorAttachments)
+    {
+        if (hasMismatchedSize(attachment))
+        {
+            return false;
+        }
+    }
+
+    if (hasMismatchedSize(mDepthAttachment))
+    {
+        return false;
+    }
+
+    return !hasMismatchedSize(mStencilAttachment);
+}
+
+bool FramebufferState::hasSeparateDepthAndStencilAttachments() const
+{
+    // if we have both a depth and stencil buffer, they must refer to the same object
+    // since we only support packed_depth_stencil and not separate depth and stencil
+    return (getDepthAttachment() != nullptr && getStencilAttachment() != nullptr &&
+            getDepthStencilAttachment() == nullptr);
+}
+
+const FramebufferAttachment *FramebufferState::getDrawBuffer(size_t drawBufferIdx) const
+{
+    ASSERT(drawBufferIdx < mDrawBufferStates.size());
+    if (mDrawBufferStates[drawBufferIdx] != GL_NONE)
+    {
+        // ES3 spec: "If the GL is bound to a draw framebuffer object, the ith buffer listed in bufs
+        // must be COLOR_ATTACHMENTi or NONE"
+        ASSERT(mDrawBufferStates[drawBufferIdx] == GL_COLOR_ATTACHMENT0 + drawBufferIdx ||
+               (drawBufferIdx == 0 && mDrawBufferStates[drawBufferIdx] == GL_BACK));
+
+        if (mDrawBufferStates[drawBufferIdx] == GL_BACK)
+        {
+            return getColorAttachment(0);
+        }
+        else
+        {
+            return getColorAttachment(mDrawBufferStates[drawBufferIdx] - GL_COLOR_ATTACHMENT0);
+        }
+    }
+    else
+    {
+        return nullptr;
+    }
+}
+
+size_t FramebufferState::getDrawBufferCount() const
+{
+    return mDrawBufferStates.size();
+}
+
+bool FramebufferState::colorAttachmentsAreUniqueImages() const
+{
+    for (size_t firstAttachmentIdx = 0; firstAttachmentIdx < mColorAttachments.size();
+         firstAttachmentIdx++)
+    {
+        const FramebufferAttachment &firstAttachment = mColorAttachments[firstAttachmentIdx];
+        if (!firstAttachment.isAttached())
+        {
+            continue;
+        }
+
+        for (size_t secondAttachmentIdx = firstAttachmentIdx + 1;
+             secondAttachmentIdx < mColorAttachments.size(); secondAttachmentIdx++)
+        {
+            const FramebufferAttachment &secondAttachment = mColorAttachments[secondAttachmentIdx];
+            if (!secondAttachment.isAttached())
+            {
+                continue;
+            }
+
+            if (firstAttachment == secondAttachment)
+            {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+bool FramebufferState::hasDepth() const
+{
+    return (mDepthAttachment.isAttached() && mDepthAttachment.getDepthSize() > 0);
+}
+
+bool FramebufferState::hasStencil() const
+{
+    return (mStencilAttachment.isAttached() && mStencilAttachment.getStencilSize() > 0);
+}
+
+bool FramebufferState::hasExternalTextureAttachment() const
+{
+    // External textures can only be bound to color attachment 0
+    return (mColorAttachments[0].isAttached() && mColorAttachments[0].isExternalTexture());
+}
+
+bool FramebufferState::hasYUVAttachment() const
+{
+    // The only attachments that can be YUV are external textures and surfaces, both are attached at
+    // color attachment 0.
+    return (mColorAttachments[0].isAttached() && mColorAttachments[0].isYUV());
+}
+
+bool FramebufferState::isMultiview() const
+{
+    const FramebufferAttachment *attachment = getFirstNonNullAttachment();
+    if (attachment == nullptr)
+    {
+        return false;
+    }
+    return attachment->isMultiview();
+}
+
+int FramebufferState::getBaseViewIndex() const
+{
+    const FramebufferAttachment *attachment = getFirstNonNullAttachment();
+    if (attachment == nullptr)
+    {
+        return GL_NONE;
+    }
+    return attachment->getBaseViewIndex();
+}
+
+Box FramebufferState::getDimensions() const
+{
+    Extents extents = getExtents();
+    return Box(0, 0, 0, extents.width, extents.height, extents.depth);
+}
+
+Extents FramebufferState::getExtents() const
+{
+    // OpenGLES3.0 (https://www.khronos.org/registry/OpenGL/specs/es/3.0/es_spec_3.0.pdf
+    // section 4.4.4.2) allows attachments have unequal size.
+    const FramebufferAttachment *first = getFirstNonNullAttachment();
+    if (first)
+    {
+        return getAttachmentExtentsIntersection();
+    }
+    return Extents(getDefaultWidth(), getDefaultHeight(), 0);
+}
+
+bool FramebufferState::isDefault() const
+{
+    return mId == Framebuffer::kDefaultDrawFramebufferHandle;
+}
+
+bool FramebufferState::isBoundAsDrawFramebuffer(const Context *context) const
+{
+    return context->getState().getDrawFramebuffer()->id() == mId;
+}
+
+const FramebufferID Framebuffer::kDefaultDrawFramebufferHandle = {0};
+
+Framebuffer::Framebuffer(const Context *context, rx::GLImplFactory *factory)
+    : mState(context->getShareGroup()->generateFramebufferSerial()),
+      mImpl(factory->createFramebuffer(mState)),
+      mCachedStatus(FramebufferStatus::Incomplete(GL_FRAMEBUFFER_UNDEFINED_OES,
+                                                  err::kFramebufferIncompleteSurfaceless)),
+      mDirtyDepthAttachmentBinding(this, DIRTY_BIT_DEPTH_ATTACHMENT),
+      mDirtyStencilAttachmentBinding(this, DIRTY_BIT_STENCIL_ATTACHMENT)
+{
+    mDirtyColorAttachmentBindings.emplace_back(this, DIRTY_BIT_COLOR_ATTACHMENT_0);
+    SetComponentTypeMask(getDrawbufferWriteType(0), 0, &mState.mDrawBufferTypeMask);
+}
+
+Framebuffer::Framebuffer(const Context *context, rx::GLImplFactory *factory, FramebufferID id)
+    : mState(context->getCaps(), id, context->getShareGroup()->generateFramebufferSerial()),
+      mImpl(factory->createFramebuffer(mState)),
+      mCachedStatus(),
+      mDirtyDepthAttachmentBinding(this, DIRTY_BIT_DEPTH_ATTACHMENT),
+      mDirtyStencilAttachmentBinding(this, DIRTY_BIT_STENCIL_ATTACHMENT)
+{
+    ASSERT(mImpl != nullptr);
+    ASSERT(mState.mColorAttachments.size() ==
+           static_cast<size_t>(context->getCaps().maxColorAttachments));
+
+    for (uint32_t colorIndex = 0;
+         colorIndex < static_cast<uint32_t>(mState.mColorAttachments.size()); ++colorIndex)
+    {
+        mDirtyColorAttachmentBindings.emplace_back(this, DIRTY_BIT_COLOR_ATTACHMENT_0 + colorIndex);
+    }
+    if (context->getClientVersion() >= ES_3_0)
+    {
+        mDirtyBits.set(DIRTY_BIT_READ_BUFFER);
+    }
+}
+
+Framebuffer::~Framebuffer()
+{
+    SafeDelete(mImpl);
+}
+
+void Framebuffer::onDestroy(const Context *context)
+{
+    if (isDefault())
+    {
+        std::ignore = unsetSurfaces(context);
+    }
+
+    for (auto &attachment : mState.mColorAttachments)
+    {
+        attachment.detach(context, mState.mFramebufferSerial);
+    }
+    mState.mDepthAttachment.detach(context, mState.mFramebufferSerial);
+    mState.mStencilAttachment.detach(context, mState.mFramebufferSerial);
+    mState.mWebGLDepthAttachment.detach(context, mState.mFramebufferSerial);
+    mState.mWebGLStencilAttachment.detach(context, mState.mFramebufferSerial);
+    mState.mWebGLDepthStencilAttachment.detach(context, mState.mFramebufferSerial);
+
+    if (mPixelLocalStorage)
+    {
+        mPixelLocalStorage->onFramebufferDestroyed(context);
+    }
+
+    mImpl->destroy(context);
+}
+
+egl::Error Framebuffer::setSurfaces(const Context *context,
+                                    egl::Surface *surface,
+                                    egl::Surface *readSurface)
+{
+    // This has to be a default framebuffer.
+    ASSERT(isDefault());
+    ASSERT(mDirtyColorAttachmentBindings.size() == 1);
+    ASSERT(mDirtyColorAttachmentBindings[0].getSubjectIndex() == DIRTY_BIT_COLOR_ATTACHMENT_0);
+
+    ASSERT(!mState.mColorAttachments[0].isAttached());
+    ASSERT(!mState.mDepthAttachment.isAttached());
+    ASSERT(!mState.mStencilAttachment.isAttached());
+
+    if (surface)
+    {
+        setAttachmentImpl(context, GL_FRAMEBUFFER_DEFAULT, GL_BACK, ImageIndex(), surface,
+                          FramebufferAttachment::kDefaultNumViews,
+                          FramebufferAttachment::kDefaultBaseViewIndex, false,
+                          FramebufferAttachment::kDefaultRenderToTextureSamples);
+        mDirtyBits.set(DIRTY_BIT_COLOR_ATTACHMENT_0);
+
+        if (surface->getConfig()->depthSize > 0)
+        {
+            setAttachmentImpl(context, GL_FRAMEBUFFER_DEFAULT, GL_DEPTH, ImageIndex(), surface,
+                              FramebufferAttachment::kDefaultNumViews,
+                              FramebufferAttachment::kDefaultBaseViewIndex, false,
+                              FramebufferAttachment::kDefaultRenderToTextureSamples);
+            mDirtyBits.set(DIRTY_BIT_DEPTH_ATTACHMENT);
+        }
+
+        if (surface->getConfig()->stencilSize > 0)
+        {
+            setAttachmentImpl(context, GL_FRAMEBUFFER_DEFAULT, GL_STENCIL, ImageIndex(), surface,
+                              FramebufferAttachment::kDefaultNumViews,
+                              FramebufferAttachment::kDefaultBaseViewIndex, false,
+                              FramebufferAttachment::kDefaultRenderToTextureSamples);
+            mDirtyBits.set(DIRTY_BIT_STENCIL_ATTACHMENT);
+        }
+
+        mState.mSurfaceTextureOffset = surface->getTextureOffset();
+
+        // Ensure the backend has a chance to synchronize its content for a new backbuffer.
+        mDirtyBits.set(DIRTY_BIT_COLOR_BUFFER_CONTENTS_0);
+    }
+
+    setReadSurface(context, readSurface);
+
+    SetComponentTypeMask(getDrawbufferWriteType(0), 0, &mState.mDrawBufferTypeMask);
+
+    ASSERT(mCachedStatus.value().status == GL_FRAMEBUFFER_UNDEFINED_OES);
+    ASSERT(mCachedStatus.value().reason == err::kFramebufferIncompleteSurfaceless);
+    if (surface)
+    {
+        mCachedStatus = FramebufferStatus::Complete();
+        ANGLE_TRY(surface->getImplementation()->attachToFramebuffer(context, this));
+    }
+
+    return egl::NoError();
+}
+
+void Framebuffer::setReadSurface(const Context *context, egl::Surface *readSurface)
+{
+    // This has to be a default framebuffer.
+    ASSERT(isDefault());
+    ASSERT(mDirtyColorAttachmentBindings.size() == 1);
+    ASSERT(mDirtyColorAttachmentBindings[0].getSubjectIndex() == DIRTY_BIT_COLOR_ATTACHMENT_0);
+
+    // Read surface is not attached.
+    ASSERT(!mState.mDefaultFramebufferReadAttachment.isAttached());
+
+    // updateAttachment() without mState.mResourceNeedsInit.set()
+    mState.mDefaultFramebufferReadAttachment.attach(
+        context, GL_FRAMEBUFFER_DEFAULT, GL_BACK, ImageIndex(), readSurface,
+        FramebufferAttachment::kDefaultNumViews, FramebufferAttachment::kDefaultBaseViewIndex,
+        false, FramebufferAttachment::kDefaultRenderToTextureSamples, mState.mFramebufferSerial);
+
+    if (context->getClientVersion() >= ES_3_0)
+    {
+        mDirtyBits.set(DIRTY_BIT_READ_BUFFER);
+    }
+}
+
+egl::Error Framebuffer::unsetSurfaces(const Context *context)
+{
+    // This has to be a default framebuffer.
+    ASSERT(isDefault());
+    ASSERT(mDirtyColorAttachmentBindings.size() == 1);
+    ASSERT(mDirtyColorAttachmentBindings[0].getSubjectIndex() == DIRTY_BIT_COLOR_ATTACHMENT_0);
+
+    if (mState.mColorAttachments[0].isAttached())
+    {
+        const egl::Surface *surface = mState.mColorAttachments[0].getSurface();
+        mState.mColorAttachments[0].detach(context, mState.mFramebufferSerial);
+        mDirtyBits.set(DIRTY_BIT_COLOR_ATTACHMENT_0);
+
+        if (mState.mDepthAttachment.isAttached())
+        {
+            mState.mDepthAttachment.detach(context, mState.mFramebufferSerial);
+            mDirtyBits.set(DIRTY_BIT_DEPTH_ATTACHMENT);
+        }
+
+        if (mState.mStencilAttachment.isAttached())
+        {
+            mState.mStencilAttachment.detach(context, mState.mFramebufferSerial);
+            mDirtyBits.set(DIRTY_BIT_STENCIL_ATTACHMENT);
+        }
+
+        ANGLE_TRY(surface->getImplementation()->detachFromFramebuffer(context, this));
+
+        ASSERT(mCachedStatus.value().status == GL_FRAMEBUFFER_COMPLETE);
+        mCachedStatus = FramebufferStatus::Incomplete(GL_FRAMEBUFFER_UNDEFINED_OES,
+                                                      err::kFramebufferIncompleteSurfaceless);
+    }
+    else
+    {
+        ASSERT(!mState.mDepthAttachment.isAttached());
+        ASSERT(!mState.mStencilAttachment.isAttached());
+        ASSERT(mCachedStatus.value().status == GL_FRAMEBUFFER_UNDEFINED_OES);
+        ASSERT(mCachedStatus.value().reason == err::kFramebufferIncompleteSurfaceless);
+    }
+
+    mState.mDefaultFramebufferReadAttachment.detach(context, mState.mFramebufferSerial);
+    mState.mDefaultFramebufferReadAttachmentInitialized = false;
+    return egl::NoError();
+}
+
+angle::Result Framebuffer::setLabel(const Context *context, const std::string &label)
+{
+    mState.mLabel = label;
+
+    if (mImpl)
+    {
+        return mImpl->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &Framebuffer::getLabel() const
+{
+    return mState.mLabel;
+}
+
+bool Framebuffer::detachTexture(const Context *context, TextureID textureId)
+{
+    return detachResourceById(context, GL_TEXTURE, textureId.value);
+}
+
+bool Framebuffer::detachRenderbuffer(const Context *context, RenderbufferID renderbufferId)
+{
+    return detachResourceById(context, GL_RENDERBUFFER, renderbufferId.value);
+}
+
+bool Framebuffer::detachResourceById(const Context *context, GLenum resourceType, GLuint resourceId)
+{
+    bool found = false;
+
+    for (size_t colorIndex = 0; colorIndex < mState.mColorAttachments.size(); ++colorIndex)
+    {
+        if (detachMatchingAttachment(context, &mState.mColorAttachments[colorIndex], resourceType,
+                                     resourceId))
+        {
+            found = true;
+        }
+    }
+
+    if (context->isWebGL1())
+    {
+        const std::array<FramebufferAttachment *, 3> attachments = {
+            {&mState.mWebGLDepthStencilAttachment, &mState.mWebGLDepthAttachment,
+             &mState.mWebGLStencilAttachment}};
+        for (FramebufferAttachment *attachment : attachments)
+        {
+            if (detachMatchingAttachment(context, attachment, resourceType, resourceId))
+            {
+                found = true;
+            }
+        }
+    }
+    else
+    {
+        if (detachMatchingAttachment(context, &mState.mDepthAttachment, resourceType, resourceId))
+        {
+            found = true;
+        }
+        if (detachMatchingAttachment(context, &mState.mStencilAttachment, resourceType, resourceId))
+        {
+            found = true;
+        }
+    }
+
+    return found;
+}
+
+bool Framebuffer::detachMatchingAttachment(const Context *context,
+                                           FramebufferAttachment *attachment,
+                                           GLenum matchType,
+                                           GLuint matchId)
+{
+    if (attachment->isAttached() && attachment->type() == matchType && attachment->id() == matchId)
+    {
+        // We go through resetAttachment to make sure that all the required bookkeeping will be done
+        // such as updating enabled draw buffer state.
+        resetAttachment(context, attachment->getBinding());
+        return true;
+    }
+
+    return false;
+}
+
+const FramebufferAttachment *Framebuffer::getColorAttachment(size_t colorAttachment) const
+{
+    return mState.getColorAttachment(colorAttachment);
+}
+
+const FramebufferAttachment *Framebuffer::getDepthAttachment() const
+{
+    return mState.getDepthAttachment();
+}
+
+const FramebufferAttachment *Framebuffer::getStencilAttachment() const
+{
+    return mState.getStencilAttachment();
+}
+
+const FramebufferAttachment *Framebuffer::getDepthStencilAttachment() const
+{
+    return mState.getDepthStencilAttachment();
+}
+
+const FramebufferAttachment *Framebuffer::getDepthOrStencilAttachment() const
+{
+    return mState.getDepthOrStencilAttachment();
+}
+
+const FramebufferAttachment *Framebuffer::getStencilOrDepthStencilAttachment() const
+{
+    return mState.getStencilOrDepthStencilAttachment();
+}
+
+const FramebufferAttachment *Framebuffer::getReadColorAttachment() const
+{
+    return mState.getReadAttachment();
+}
+
+GLenum Framebuffer::getReadColorAttachmentType() const
+{
+    const FramebufferAttachment *readAttachment = mState.getReadAttachment();
+    return (readAttachment != nullptr ? readAttachment->type() : GL_NONE);
+}
+
+const FramebufferAttachment *Framebuffer::getFirstColorAttachment() const
+{
+    return mState.getFirstColorAttachment();
+}
+
+const FramebufferAttachment *Framebuffer::getFirstNonNullAttachment() const
+{
+    return mState.getFirstNonNullAttachment();
+}
+
+const FramebufferAttachment *Framebuffer::getAttachment(const Context *context,
+                                                        GLenum attachment) const
+{
+    return mState.getAttachment(context, attachment);
+}
+
+size_t Framebuffer::getDrawbufferStateCount() const
+{
+    return mState.mDrawBufferStates.size();
+}
+
+GLenum Framebuffer::getDrawBufferState(size_t drawBuffer) const
+{
+    ASSERT(drawBuffer < mState.mDrawBufferStates.size());
+    return mState.mDrawBufferStates[drawBuffer];
+}
+
+const DrawBuffersVector<GLenum> &Framebuffer::getDrawBufferStates() const
+{
+    return mState.getDrawBufferStates();
+}
+
+void Framebuffer::setDrawBuffers(size_t count, const GLenum *buffers)
+{
+    auto &drawStates = mState.mDrawBufferStates;
+
+    ASSERT(count <= drawStates.size());
+    std::copy(buffers, buffers + count, drawStates.begin());
+    std::fill(drawStates.begin() + count, drawStates.end(), GL_NONE);
+    mDirtyBits.set(DIRTY_BIT_DRAW_BUFFERS);
+
+    mState.mEnabledDrawBuffers.reset();
+    mState.mDrawBufferTypeMask.reset();
+
+    for (size_t index = 0; index < count; ++index)
+    {
+        SetComponentTypeMask(getDrawbufferWriteType(index), index, &mState.mDrawBufferTypeMask);
+
+        if (drawStates[index] != GL_NONE && mState.mColorAttachments[index].isAttached())
+        {
+            mState.mEnabledDrawBuffers.set(index);
+        }
+    }
+}
+
+const FramebufferAttachment *Framebuffer::getDrawBuffer(size_t drawBuffer) const
+{
+    return mState.getDrawBuffer(drawBuffer);
+}
+
+ComponentType Framebuffer::getDrawbufferWriteType(size_t drawBuffer) const
+{
+    const FramebufferAttachment *attachment = mState.getDrawBuffer(drawBuffer);
+    if (attachment == nullptr)
+    {
+        return ComponentType::NoType;
+    }
+
+    GLenum componentType = attachment->getFormat().info->componentType;
+    switch (componentType)
+    {
+        case GL_INT:
+            return ComponentType::Int;
+        case GL_UNSIGNED_INT:
+            return ComponentType::UnsignedInt;
+
+        default:
+            return ComponentType::Float;
+    }
+}
+
+ComponentTypeMask Framebuffer::getDrawBufferTypeMask() const
+{
+    return mState.mDrawBufferTypeMask;
+}
+
+DrawBufferMask Framebuffer::getDrawBufferMask() const
+{
+    return mState.mEnabledDrawBuffers;
+}
+
+bool Framebuffer::hasEnabledDrawBuffer() const
+{
+    for (size_t drawbufferIdx = 0; drawbufferIdx < mState.mDrawBufferStates.size(); ++drawbufferIdx)
+    {
+        if (getDrawBuffer(drawbufferIdx) != nullptr)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+GLenum Framebuffer::getReadBufferState() const
+{
+    return mState.mReadBufferState;
+}
+
+void Framebuffer::setReadBuffer(GLenum buffer)
+{
+    ASSERT(buffer == GL_BACK || buffer == GL_NONE ||
+           (buffer >= GL_COLOR_ATTACHMENT0 &&
+            (buffer - GL_COLOR_ATTACHMENT0) < mState.mColorAttachments.size()));
+    if (mState.mReadBufferState != buffer)
+    {
+        mState.mReadBufferState = buffer;
+        mDirtyBits.set(DIRTY_BIT_READ_BUFFER);
+    }
+}
+
+size_t Framebuffer::getNumColorAttachments() const
+{
+    return mState.mColorAttachments.size();
+}
+
+bool Framebuffer::hasDepth() const
+{
+    return mState.hasDepth();
+}
+
+bool Framebuffer::hasStencil() const
+{
+    return mState.hasStencil();
+}
+
+bool Framebuffer::hasExternalTextureAttachment() const
+{
+    return mState.hasExternalTextureAttachment();
+}
+
+bool Framebuffer::hasYUVAttachment() const
+{
+    return mState.hasYUVAttachment();
+}
+
+bool Framebuffer::usingExtendedDrawBuffers() const
+{
+    for (size_t drawbufferIdx = 1; drawbufferIdx < mState.mDrawBufferStates.size(); ++drawbufferIdx)
+    {
+        if (getDrawBuffer(drawbufferIdx) != nullptr)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void Framebuffer::invalidateCompletenessCache()
+{
+    if (!isDefault())
+    {
+        mCachedStatus.reset();
+    }
+    onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+}
+
+const FramebufferStatus &Framebuffer::checkStatusImpl(const Context *context) const
+{
+    ASSERT(!isDefault());
+    ASSERT(hasAnyDirtyBit() || !mCachedStatus.valid());
+
+    mCachedStatus = checkStatusWithGLFrontEnd(context);
+
+    if (mCachedStatus.value().isComplete())
+    {
+        // We can skip syncState on several back-ends.
+        if (mImpl->shouldSyncStateBeforeCheckStatus())
+        {
+            // This binding is not totally correct. It is ok because the parameter isn't used in
+            // the GL back-end and the GL back-end is the only user of syncStateBeforeCheckStatus.
+            angle::Result err = syncState(context, GL_FRAMEBUFFER, Command::Other);
+            if (err != angle::Result::Continue)
+            {
+                mCachedStatus =
+                    FramebufferStatus::Incomplete(0, err::kFramebufferIncompleteInternalError);
+                return mCachedStatus.value();
+            }
+        }
+
+        mCachedStatus = mImpl->checkStatus(context);
+    }
+
+    return mCachedStatus.value();
+}
+
+FramebufferStatus Framebuffer::checkStatusWithGLFrontEnd(const Context *context) const
+{
+    const State &state = context->getState();
+
+    ASSERT(!isDefault());
+
+    bool hasAttachments = false;
+    Optional<unsigned int> colorbufferSize;
+    Optional<int> samples;
+    Optional<bool> fixedSampleLocations;
+    bool hasRenderbuffer = false;
+    Optional<int> renderToTextureSamples;
+
+    const FramebufferAttachment *firstAttachment = getFirstNonNullAttachment();
+
+    Optional<bool> isLayered;
+    Optional<TextureType> colorAttachmentsTextureType;
+
+    for (const FramebufferAttachment &colorAttachment : mState.mColorAttachments)
+    {
+        if (colorAttachment.isAttached())
+        {
+            FramebufferStatus attachmentCompleteness =
+                CheckAttachmentCompleteness(context, colorAttachment);
+            if (!attachmentCompleteness.isComplete())
+            {
+                return attachmentCompleteness;
+            }
+
+            const InternalFormat &format = *colorAttachment.getFormat().info;
+            if (format.depthBits > 0 || format.stencilBits > 0)
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                    err::kFramebufferIncompleteDepthStencilInColorBuffer);
+            }
+
+            FramebufferStatus attachmentSampleCompleteness =
+                CheckAttachmentSampleCompleteness(context, colorAttachment, true, &samples,
+                                                  &fixedSampleLocations, &renderToTextureSamples);
+            if (!attachmentSampleCompleteness.isComplete())
+            {
+                return attachmentSampleCompleteness;
+            }
+
+            // in GLES 2.0, all color attachments attachments must have the same number of bitplanes
+            // in GLES 3.0, there is no such restriction
+            if (state.getClientMajorVersion() < 3)
+            {
+                if (colorbufferSize.valid())
+                {
+                    if (format.pixelBytes != colorbufferSize.value())
+                    {
+                        return FramebufferStatus::Incomplete(
+                            GL_FRAMEBUFFER_UNSUPPORTED,
+                            err::kFramebufferIncompleteAttachmentInconsistantBitPlanes);
+                    }
+                }
+                else
+                {
+                    colorbufferSize = format.pixelBytes;
+                }
+            }
+
+            FramebufferStatus attachmentMultiviewCompleteness =
+                CheckMultiviewStateMatchesForCompleteness(firstAttachment, &colorAttachment);
+            if (!attachmentMultiviewCompleteness.isComplete())
+            {
+                return attachmentMultiviewCompleteness;
+            }
+
+            hasRenderbuffer = hasRenderbuffer || (colorAttachment.type() == GL_RENDERBUFFER);
+
+            if (!hasAttachments)
+            {
+                isLayered = colorAttachment.isLayered();
+                if (isLayered.value())
+                {
+                    colorAttachmentsTextureType = colorAttachment.getTextureImageIndex().getType();
+                }
+                hasAttachments = true;
+            }
+            else
+            {
+                // [EXT_geometry_shader] section 9.4.1, "Framebuffer Completeness"
+                // If any framebuffer attachment is layered, all populated attachments
+                // must be layered. Additionally, all populated color attachments must
+                // be from textures of the same target. {FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT }
+                ASSERT(isLayered.valid());
+                if (isLayered.value() != colorAttachment.isLayered())
+                {
+                    return FramebufferStatus::Incomplete(
+                        GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT,
+                        err::kFramebufferIncompleteMismatchedLayeredAttachments);
+                }
+                else if (isLayered.value())
+                {
+                    ASSERT(colorAttachmentsTextureType.valid());
+                    if (colorAttachmentsTextureType.value() !=
+                        colorAttachment.getTextureImageIndex().getType())
+                    {
+                        return FramebufferStatus::Incomplete(
+                            GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT,
+                            err::kFramebufferIncompleteMismatchedLayeredTexturetypes);
+                    }
+                }
+            }
+        }
+    }
+
+    const FramebufferAttachment &depthAttachment = mState.mDepthAttachment;
+    if (depthAttachment.isAttached())
+    {
+        FramebufferStatus attachmentCompleteness =
+            CheckAttachmentCompleteness(context, depthAttachment);
+        if (!attachmentCompleteness.isComplete())
+        {
+            return attachmentCompleteness;
+        }
+
+        const InternalFormat &format = *depthAttachment.getFormat().info;
+        if (format.depthBits == 0)
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                err::kFramebufferIncompleteAttachmentNoDepthBitsInDepthBuffer);
+        }
+
+        FramebufferStatus attachmentSampleCompleteness =
+            CheckAttachmentSampleCompleteness(context, depthAttachment, false, &samples,
+                                              &fixedSampleLocations, &renderToTextureSamples);
+        if (!attachmentSampleCompleteness.isComplete())
+        {
+            return attachmentSampleCompleteness;
+        }
+
+        FramebufferStatus attachmentMultiviewCompleteness =
+            CheckMultiviewStateMatchesForCompleteness(firstAttachment, &depthAttachment);
+        if (!attachmentMultiviewCompleteness.isComplete())
+        {
+            return attachmentMultiviewCompleteness;
+        }
+
+        hasRenderbuffer = hasRenderbuffer || (depthAttachment.type() == GL_RENDERBUFFER);
+
+        if (!hasAttachments)
+        {
+            isLayered      = depthAttachment.isLayered();
+            hasAttachments = true;
+        }
+        else
+        {
+            // [EXT_geometry_shader] section 9.4.1, "Framebuffer Completeness"
+            // If any framebuffer attachment is layered, all populated attachments
+            // must be layered. {FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT }
+            ASSERT(isLayered.valid());
+            if (isLayered.value() != depthAttachment.isLayered())
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT,
+                    err::kFramebufferIncompleteMismatchedLayeredAttachments);
+            }
+        }
+    }
+
+    const FramebufferAttachment &stencilAttachment = mState.mStencilAttachment;
+    if (stencilAttachment.isAttached())
+    {
+        FramebufferStatus attachmentCompleteness =
+            CheckAttachmentCompleteness(context, stencilAttachment);
+        if (!attachmentCompleteness.isComplete())
+        {
+            return attachmentCompleteness;
+        }
+
+        const InternalFormat &format = *stencilAttachment.getFormat().info;
+        if (format.stencilBits == 0)
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                err::kFramebufferIncompleteAttachmentNoStencilBitsInStencilBuffer);
+        }
+
+        FramebufferStatus attachmentSampleCompleteness =
+            CheckAttachmentSampleCompleteness(context, stencilAttachment, false, &samples,
+                                              &fixedSampleLocations, &renderToTextureSamples);
+        if (!attachmentSampleCompleteness.isComplete())
+        {
+            return attachmentSampleCompleteness;
+        }
+
+        FramebufferStatus attachmentMultiviewCompleteness =
+            CheckMultiviewStateMatchesForCompleteness(firstAttachment, &stencilAttachment);
+        if (!attachmentMultiviewCompleteness.isComplete())
+        {
+            return attachmentMultiviewCompleteness;
+        }
+
+        hasRenderbuffer = hasRenderbuffer || (stencilAttachment.type() == GL_RENDERBUFFER);
+
+        if (!hasAttachments)
+        {
+            hasAttachments = true;
+        }
+        else
+        {
+            // [EXT_geometry_shader] section 9.4.1, "Framebuffer Completeness"
+            // If any framebuffer attachment is layered, all populated attachments
+            // must be layered.
+            // {FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT }
+            ASSERT(isLayered.valid());
+            if (isLayered.value() != stencilAttachment.isLayered())
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT,
+                    err::kFramebufferIncompleteMismatchedLayeredAttachments);
+            }
+        }
+    }
+
+    // Starting from ES 3.0 stencil and depth, if present, should be the same image
+    if (state.getClientMajorVersion() >= 3 && depthAttachment.isAttached() &&
+        stencilAttachment.isAttached() && stencilAttachment != depthAttachment)
+    {
+        return FramebufferStatus::Incomplete(
+            GL_FRAMEBUFFER_UNSUPPORTED,
+            err::kFramebufferIncompleteDepthAndStencilBuffersNotTheSame);
+    }
+
+    // Special additional validation for WebGL 1 DEPTH/STENCIL/DEPTH_STENCIL.
+    if (state.isWebGL1())
+    {
+        if (!mState.mWebGLDepthStencilConsistent)
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_UNSUPPORTED,
+                err::kFramebufferIncompleteWebGLDepthStencilInconsistant);
+        }
+
+        if (mState.mWebGLDepthStencilAttachment.isAttached())
+        {
+            if (mState.mWebGLDepthStencilAttachment.getDepthSize() == 0 ||
+                mState.mWebGLDepthStencilAttachment.getStencilSize() == 0)
+            {
+                return FramebufferStatus::Incomplete(
+                    GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                    err::kFramebufferIncompleteAttachmentWebGLDepthStencilNoDepthOrStencilBits);
+            }
+
+            FramebufferStatus attachmentMultiviewCompleteness =
+                CheckMultiviewStateMatchesForCompleteness(firstAttachment,
+                                                          &mState.mWebGLDepthStencilAttachment);
+            if (!attachmentMultiviewCompleteness.isComplete())
+            {
+                return attachmentMultiviewCompleteness;
+            }
+        }
+        else if (mState.mStencilAttachment.isAttached() &&
+                 mState.mStencilAttachment.getDepthSize() > 0)
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                err::kFramebufferIncompleteAttachmentWebGLStencilBufferHasDepthBits);
+        }
+        else if (mState.mDepthAttachment.isAttached() &&
+                 mState.mDepthAttachment.getStencilSize() > 0)
+        {
+            return FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT,
+                err::kFramebufferIncompleteAttachmentWebGLDepthBufferHasStencilBits);
+        }
+    }
+
+    // ES3.1(section 9.4) requires that if no image is attached to the framebuffer, and either the
+    // value of the framebuffer's FRAMEBUFFER_DEFAULT_WIDTH or FRAMEBUFFER_DEFAULT_HEIGHT parameters
+    // is zero, the framebuffer is considered incomplete.
+    GLint defaultWidth  = mState.getDefaultWidth();
+    GLint defaultHeight = mState.getDefaultHeight();
+    if (!hasAttachments && (defaultWidth == 0 || defaultHeight == 0))
+    {
+        return FramebufferStatus::Incomplete(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT,
+                                             err::kFramebufferIncompleteDefaultZeroSize);
+    }
+
+    // In ES 2.0 and WebGL, all color attachments must have the same width and height.
+    // In ES 3.0, there is no such restriction.
+    if ((state.getClientMajorVersion() < 3 || state.getExtensions().webglCompatibilityANGLE) &&
+        !mState.attachmentsHaveSameDimensions())
+    {
+        return FramebufferStatus::Incomplete(
+            GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS,
+            err::kFramebufferIncompleteInconsistantAttachmentSizes);
+    }
+
+    // ES3.1(section 9.4) requires that if the attached images are a mix of renderbuffers and
+    // textures, the value of TEXTURE_FIXED_SAMPLE_LOCATIONS must be TRUE for all attached textures.
+    if (fixedSampleLocations.valid() && hasRenderbuffer && !fixedSampleLocations.value())
+    {
+        return FramebufferStatus::Incomplete(
+            GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE,
+            err::kFramebufferIncompleteMultisampleNonFixedSamplesWithRenderbuffers);
+    }
+
+    // The WebGL conformance tests implicitly define that all framebuffer
+    // attachments must be unique. For example, the same level of a texture can
+    // not be attached to two different color attachments.
+    if (state.getExtensions().webglCompatibilityANGLE)
+    {
+        if (!mState.colorAttachmentsAreUniqueImages())
+        {
+            return FramebufferStatus::Incomplete(GL_FRAMEBUFFER_UNSUPPORTED,
+                                                 err::kFramebufferIncompleteAttachmentsNotUnique);
+        }
+    }
+
+    return FramebufferStatus::Complete();
+}
+
+angle::Result Framebuffer::discard(const Context *context, size_t count, const GLenum *attachments)
+{
+    // Back-ends might make the contents of the FBO undefined. In WebGL 2.0, invalidate operations
+    // can be no-ops, so we should probably do that to ensure consistency.
+    // TODO(jmadill): WebGL behaviour, and robust resource init behaviour without WebGL.
+
+    return mImpl->discard(context, count, attachments);
+}
+
+angle::Result Framebuffer::invalidate(const Context *context,
+                                      size_t count,
+                                      const GLenum *attachments)
+{
+    // Back-ends might make the contents of the FBO undefined. In WebGL 2.0, invalidate operations
+    // can be no-ops, so we should probably do that to ensure consistency.
+    // TODO(jmadill): WebGL behaviour, and robust resource init behaviour without WebGL.
+
+    return mImpl->invalidate(context, count, attachments);
+}
+
+bool Framebuffer::partialClearNeedsInit(const Context *context,
+                                        bool color,
+                                        bool depth,
+                                        bool stencil)
+{
+    const auto &glState = context->getState();
+
+    if (!glState.isRobustResourceInitEnabled())
+    {
+        return false;
+    }
+
+    if (depth && context->getFrontendFeatures().forceDepthAttachmentInitOnClear.enabled)
+    {
+        return true;
+    }
+
+    // Scissors can affect clearing.
+    // TODO(jmadill): Check for complete scissor overlap.
+    if (glState.isScissorTestEnabled())
+    {
+        return true;
+    }
+
+    // If colors masked, we must clear before we clear. Do a simple check.
+    // TODO(jmadill): Filter out unused color channels from the test.
+    if (color && glState.anyActiveDrawBufferChannelMasked())
+    {
+        return true;
+    }
+
+    const auto &depthStencil = glState.getDepthStencilState();
+    if (stencil && (depthStencil.stencilMask != depthStencil.stencilWritemask ||
+                    depthStencil.stencilBackMask != depthStencil.stencilBackWritemask))
+    {
+        return true;
+    }
+
+    return false;
+}
+
+angle::Result Framebuffer::invalidateSub(const Context *context,
+                                         size_t count,
+                                         const GLenum *attachments,
+                                         const Rectangle &area)
+{
+    // Back-ends might make the contents of the FBO undefined. In WebGL 2.0, invalidate operations
+    // can be no-ops, so we should probably do that to ensure consistency.
+    // TODO(jmadill): Make a invalidate no-op in WebGL 2.0.
+
+    return mImpl->invalidateSub(context, count, attachments, area);
+}
+
+angle::Result Framebuffer::clear(const Context *context, GLbitfield mask)
+{
+    ASSERT(mask && !context->getState().isRasterizerDiscardEnabled());
+
+    return mImpl->clear(context, mask);
+}
+
+angle::Result Framebuffer::clearBufferfv(const Context *context,
+                                         GLenum buffer,
+                                         GLint drawbuffer,
+                                         const GLfloat *values)
+{
+    return mImpl->clearBufferfv(context, buffer, drawbuffer, values);
+}
+
+angle::Result Framebuffer::clearBufferuiv(const Context *context,
+                                          GLenum buffer,
+                                          GLint drawbuffer,
+                                          const GLuint *values)
+{
+    return mImpl->clearBufferuiv(context, buffer, drawbuffer, values);
+}
+
+angle::Result Framebuffer::clearBufferiv(const Context *context,
+                                         GLenum buffer,
+                                         GLint drawbuffer,
+                                         const GLint *values)
+{
+    return mImpl->clearBufferiv(context, buffer, drawbuffer, values);
+}
+
+angle::Result Framebuffer::clearBufferfi(const Context *context,
+                                         GLenum buffer,
+                                         GLint drawbuffer,
+                                         GLfloat depth,
+                                         GLint stencil)
+{
+    const bool clearDepth =
+        getDepthAttachment() != nullptr && context->getState().getDepthStencilState().depthMask;
+    const bool clearStencil = getStencilAttachment() != nullptr &&
+                              context->getState().getDepthStencilState().stencilWritemask != 0;
+
+    if (clearDepth && clearStencil)
+    {
+        ASSERT(buffer == GL_DEPTH_STENCIL);
+        ANGLE_TRY(mImpl->clearBufferfi(context, GL_DEPTH_STENCIL, drawbuffer, depth, stencil));
+    }
+    else if (clearDepth && !clearStencil)
+    {
+        ANGLE_TRY(mImpl->clearBufferfv(context, GL_DEPTH, drawbuffer, &depth));
+    }
+    else if (!clearDepth && clearStencil)
+    {
+        ANGLE_TRY(mImpl->clearBufferiv(context, GL_STENCIL, drawbuffer, &stencil));
+    }
+
+    return angle::Result::Continue;
+}
+
+GLenum Framebuffer::getImplementationColorReadFormat(const Context *context)
+{
+    const gl::InternalFormat &format = mImpl->getImplementationColorReadFormat(context);
+    return format.getReadPixelsFormat(context->getExtensions());
+}
+
+GLenum Framebuffer::getImplementationColorReadType(const Context *context)
+{
+    const gl::InternalFormat &format = mImpl->getImplementationColorReadFormat(context);
+    return format.getReadPixelsType(context->getClientVersion());
+}
+
+angle::Result Framebuffer::readPixels(const Context *context,
+                                      const Rectangle &area,
+                                      GLenum format,
+                                      GLenum type,
+                                      const PixelPackState &pack,
+                                      Buffer *packBuffer,
+                                      void *pixels)
+{
+    ANGLE_TRY(mImpl->readPixels(context, area, format, type, pack, packBuffer, pixels));
+
+    if (packBuffer)
+    {
+        packBuffer->onDataChanged();
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer::blit(const Context *context,
+                                const Rectangle &sourceArea,
+                                const Rectangle &destArea,
+                                GLbitfield mask,
+                                GLenum filter)
+{
+    ASSERT(mask != 0);
+
+    ANGLE_TRY(mImpl->blit(context, sourceArea, destArea, mask, filter));
+
+    // Mark the contents of the attachments dirty
+    if ((mask & GL_COLOR_BUFFER_BIT) != 0)
+    {
+        for (size_t colorIndex : mState.mEnabledDrawBuffers)
+        {
+            mDirtyBits.set(DIRTY_BIT_COLOR_BUFFER_CONTENTS_0 + colorIndex);
+        }
+    }
+    if ((mask & GL_DEPTH_BUFFER_BIT) != 0)
+    {
+        mDirtyBits.set(DIRTY_BIT_DEPTH_BUFFER_CONTENTS);
+    }
+    if ((mask & GL_STENCIL_BUFFER_BIT) != 0)
+    {
+        mDirtyBits.set(DIRTY_BIT_STENCIL_BUFFER_CONTENTS);
+    }
+    onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+
+    return angle::Result::Continue;
+}
+
+int Framebuffer::getSamples(const Context *context) const
+{
+    if (!isComplete(context))
+    {
+        return 0;
+    }
+
+    ASSERT(mCachedStatus.valid() && mCachedStatus.value().isComplete());
+
+    // For a complete framebuffer, all attachments must have the same sample count.
+    // In this case return the first nonzero sample size.
+    const FramebufferAttachment *firstNonNullAttachment = mState.getFirstNonNullAttachment();
+    ASSERT(firstNonNullAttachment == nullptr || firstNonNullAttachment->isAttached());
+
+    return firstNonNullAttachment ? firstNonNullAttachment->getSamples() : 0;
+}
+
+int Framebuffer::getReadBufferResourceSamples(const Context *context) const
+{
+    if (!isComplete(context))
+    {
+        return 0;
+    }
+
+    ASSERT(mCachedStatus.valid() && mCachedStatus.value().isComplete());
+
+    const FramebufferAttachment *readAttachment = mState.getReadAttachment();
+    ASSERT(readAttachment == nullptr || readAttachment->isAttached());
+
+    return readAttachment ? readAttachment->getResourceSamples() : 0;
+}
+
+angle::Result Framebuffer::getSamplePosition(const Context *context,
+                                             size_t index,
+                                             GLfloat *xy) const
+{
+    ANGLE_TRY(mImpl->getSamplePosition(context, index, xy));
+    return angle::Result::Continue;
+}
+
+bool Framebuffer::hasValidDepthStencil() const
+{
+    return mState.getDepthStencilAttachment() != nullptr;
+}
+
+const gl::Offset &Framebuffer::getSurfaceTextureOffset() const
+{
+    return mState.getSurfaceTextureOffset();
+}
+
+void Framebuffer::setAttachment(const Context *context,
+                                GLenum type,
+                                GLenum binding,
+                                const ImageIndex &textureIndex,
+                                FramebufferAttachmentObject *resource)
+{
+    setAttachment(context, type, binding, textureIndex, resource,
+                  FramebufferAttachment::kDefaultNumViews,
+                  FramebufferAttachment::kDefaultBaseViewIndex, false,
+                  FramebufferAttachment::kDefaultRenderToTextureSamples);
+}
+
+void Framebuffer::setAttachmentMultisample(const Context *context,
+                                           GLenum type,
+                                           GLenum binding,
+                                           const ImageIndex &textureIndex,
+                                           FramebufferAttachmentObject *resource,
+                                           GLsizei samples)
+{
+    setAttachment(context, type, binding, textureIndex, resource,
+                  FramebufferAttachment::kDefaultNumViews,
+                  FramebufferAttachment::kDefaultBaseViewIndex, false, samples);
+}
+
+void Framebuffer::setAttachment(const Context *context,
+                                GLenum type,
+                                GLenum binding,
+                                const ImageIndex &textureIndex,
+                                FramebufferAttachmentObject *resource,
+                                GLsizei numViews,
+                                GLuint baseViewIndex,
+                                bool isMultiview,
+                                GLsizei samplesIn)
+{
+    GLsizei samples = samplesIn;
+    // Match the sample count to the attachment's sample count.
+    if (resource)
+    {
+        const InternalFormat *info = resource->getAttachmentFormat(binding, textureIndex).info;
+        ASSERT(info);
+        GLenum sizedInternalFormat    = info->sizedInternalFormat;
+        const TextureCaps &formatCaps = context->getTextureCaps().get(sizedInternalFormat);
+        samples                       = formatCaps.getNearestSamples(samples);
+    }
+
+    // Context may be null in unit tests.
+    if (!context || !context->isWebGL1())
+    {
+        setAttachmentImpl(context, type, binding, textureIndex, resource, numViews, baseViewIndex,
+                          isMultiview, samples);
+        return;
+    }
+
+    switch (binding)
+    {
+        case GL_DEPTH_STENCIL:
+        case GL_DEPTH_STENCIL_ATTACHMENT:
+            mState.mWebGLDepthStencilAttachment.attach(
+                context, type, binding, textureIndex, resource, numViews, baseViewIndex,
+                isMultiview, samples, mState.mFramebufferSerial);
+            break;
+        case GL_DEPTH:
+        case GL_DEPTH_ATTACHMENT:
+            mState.mWebGLDepthAttachment.attach(context, type, binding, textureIndex, resource,
+                                                numViews, baseViewIndex, isMultiview, samples,
+                                                mState.mFramebufferSerial);
+            break;
+        case GL_STENCIL:
+        case GL_STENCIL_ATTACHMENT:
+            mState.mWebGLStencilAttachment.attach(context, type, binding, textureIndex, resource,
+                                                  numViews, baseViewIndex, isMultiview, samples,
+                                                  mState.mFramebufferSerial);
+            break;
+        default:
+            setAttachmentImpl(context, type, binding, textureIndex, resource, numViews,
+                              baseViewIndex, isMultiview, samples);
+            return;
+    }
+
+    commitWebGL1DepthStencilIfConsistent(context, numViews, baseViewIndex, isMultiview, samples);
+}
+
+void Framebuffer::setAttachmentMultiview(const Context *context,
+                                         GLenum type,
+                                         GLenum binding,
+                                         const ImageIndex &textureIndex,
+                                         FramebufferAttachmentObject *resource,
+                                         GLsizei numViews,
+                                         GLint baseViewIndex)
+{
+    setAttachment(context, type, binding, textureIndex, resource, numViews, baseViewIndex, true,
+                  FramebufferAttachment::kDefaultRenderToTextureSamples);
+}
+
+void Framebuffer::commitWebGL1DepthStencilIfConsistent(const Context *context,
+                                                       GLsizei numViews,
+                                                       GLuint baseViewIndex,
+                                                       bool isMultiview,
+                                                       GLsizei samples)
+{
+    int count = 0;
+
+    std::array<FramebufferAttachment *, 3> attachments = {{&mState.mWebGLDepthStencilAttachment,
+                                                           &mState.mWebGLDepthAttachment,
+                                                           &mState.mWebGLStencilAttachment}};
+    for (FramebufferAttachment *attachment : attachments)
+    {
+        if (attachment->isAttached())
+        {
+            count++;
+        }
+    }
+
+    mState.mWebGLDepthStencilConsistent = (count <= 1);
+    if (!mState.mWebGLDepthStencilConsistent)
+    {
+        // Inconsistent.
+        return;
+    }
+
+    auto getImageIndexIfTextureAttachment = [](const FramebufferAttachment &attachment) {
+        if (attachment.type() == GL_TEXTURE)
+        {
+            return attachment.getTextureImageIndex();
+        }
+        else
+        {
+            return ImageIndex();
+        }
+    };
+
+    if (mState.mWebGLDepthAttachment.isAttached())
+    {
+        const auto &depth = mState.mWebGLDepthAttachment;
+        setAttachmentImpl(context, depth.type(), GL_DEPTH_ATTACHMENT,
+                          getImageIndexIfTextureAttachment(depth), depth.getResource(), numViews,
+                          baseViewIndex, isMultiview, samples);
+        setAttachmentImpl(context, GL_NONE, GL_STENCIL_ATTACHMENT, ImageIndex(), nullptr, numViews,
+                          baseViewIndex, isMultiview, samples);
+    }
+    else if (mState.mWebGLStencilAttachment.isAttached())
+    {
+        const auto &stencil = mState.mWebGLStencilAttachment;
+        setAttachmentImpl(context, GL_NONE, GL_DEPTH_ATTACHMENT, ImageIndex(), nullptr, numViews,
+                          baseViewIndex, isMultiview, samples);
+        setAttachmentImpl(context, stencil.type(), GL_STENCIL_ATTACHMENT,
+                          getImageIndexIfTextureAttachment(stencil), stencil.getResource(),
+                          numViews, baseViewIndex, isMultiview, samples);
+    }
+    else if (mState.mWebGLDepthStencilAttachment.isAttached())
+    {
+        const auto &depthStencil = mState.mWebGLDepthStencilAttachment;
+        setAttachmentImpl(context, depthStencil.type(), GL_DEPTH_ATTACHMENT,
+                          getImageIndexIfTextureAttachment(depthStencil),
+                          depthStencil.getResource(), numViews, baseViewIndex, isMultiview,
+                          samples);
+        setAttachmentImpl(context, depthStencil.type(), GL_STENCIL_ATTACHMENT,
+                          getImageIndexIfTextureAttachment(depthStencil),
+                          depthStencil.getResource(), numViews, baseViewIndex, isMultiview,
+                          samples);
+    }
+    else
+    {
+        setAttachmentImpl(context, GL_NONE, GL_DEPTH_ATTACHMENT, ImageIndex(), nullptr, numViews,
+                          baseViewIndex, isMultiview, samples);
+        setAttachmentImpl(context, GL_NONE, GL_STENCIL_ATTACHMENT, ImageIndex(), nullptr, numViews,
+                          baseViewIndex, isMultiview, samples);
+    }
+}
+
+void Framebuffer::setAttachmentImpl(const Context *context,
+                                    GLenum type,
+                                    GLenum binding,
+                                    const ImageIndex &textureIndex,
+                                    FramebufferAttachmentObject *resource,
+                                    GLsizei numViews,
+                                    GLuint baseViewIndex,
+                                    bool isMultiview,
+                                    GLsizei samples)
+{
+    switch (binding)
+    {
+        case GL_DEPTH_STENCIL:
+        case GL_DEPTH_STENCIL_ATTACHMENT:
+            updateAttachment(context, &mState.mDepthAttachment, DIRTY_BIT_DEPTH_ATTACHMENT,
+                             &mDirtyDepthAttachmentBinding, type, binding, textureIndex, resource,
+                             numViews, baseViewIndex, isMultiview, samples);
+            updateAttachment(context, &mState.mStencilAttachment, DIRTY_BIT_STENCIL_ATTACHMENT,
+                             &mDirtyStencilAttachmentBinding, type, binding, textureIndex, resource,
+                             numViews, baseViewIndex, isMultiview, samples);
+            break;
+
+        case GL_DEPTH:
+        case GL_DEPTH_ATTACHMENT:
+            updateAttachment(context, &mState.mDepthAttachment, DIRTY_BIT_DEPTH_ATTACHMENT,
+                             &mDirtyDepthAttachmentBinding, type, binding, textureIndex, resource,
+                             numViews, baseViewIndex, isMultiview, samples);
+            break;
+
+        case GL_STENCIL:
+        case GL_STENCIL_ATTACHMENT:
+            updateAttachment(context, &mState.mStencilAttachment, DIRTY_BIT_STENCIL_ATTACHMENT,
+                             &mDirtyStencilAttachmentBinding, type, binding, textureIndex, resource,
+                             numViews, baseViewIndex, isMultiview, samples);
+            break;
+
+        case GL_BACK:
+            updateAttachment(context, &mState.mColorAttachments[0], DIRTY_BIT_COLOR_ATTACHMENT_0,
+                             &mDirtyColorAttachmentBindings[0], type, binding, textureIndex,
+                             resource, numViews, baseViewIndex, isMultiview, samples);
+            mState.mColorAttachmentsMask.set(0);
+
+            break;
+
+        default:
+        {
+            size_t colorIndex = binding - GL_COLOR_ATTACHMENT0;
+            ASSERT(colorIndex < mState.mColorAttachments.size());
+            size_t dirtyBit = DIRTY_BIT_COLOR_ATTACHMENT_0 + colorIndex;
+            updateAttachment(context, &mState.mColorAttachments[colorIndex], dirtyBit,
+                             &mDirtyColorAttachmentBindings[colorIndex], type, binding,
+                             textureIndex, resource, numViews, baseViewIndex, isMultiview, samples);
+
+            if (!resource)
+            {
+                mFloat32ColorAttachmentBits.reset(colorIndex);
+                mState.mColorAttachmentsMask.reset(colorIndex);
+            }
+            else
+            {
+                updateFloat32ColorAttachmentBits(
+                    colorIndex, resource->getAttachmentFormat(binding, textureIndex).info);
+                mState.mColorAttachmentsMask.set(colorIndex);
+            }
+
+            bool enabled = (type != GL_NONE && getDrawBufferState(colorIndex) != GL_NONE);
+            mState.mEnabledDrawBuffers.set(colorIndex, enabled);
+            SetComponentTypeMask(getDrawbufferWriteType(colorIndex), colorIndex,
+                                 &mState.mDrawBufferTypeMask);
+        }
+        break;
+    }
+}
+
+void Framebuffer::updateAttachment(const Context *context,
+                                   FramebufferAttachment *attachment,
+                                   size_t dirtyBit,
+                                   angle::ObserverBinding *onDirtyBinding,
+                                   GLenum type,
+                                   GLenum binding,
+                                   const ImageIndex &textureIndex,
+                                   FramebufferAttachmentObject *resource,
+                                   GLsizei numViews,
+                                   GLuint baseViewIndex,
+                                   bool isMultiview,
+                                   GLsizei samples)
+{
+    attachment->attach(context, type, binding, textureIndex, resource, numViews, baseViewIndex,
+                       isMultiview, samples, mState.mFramebufferSerial);
+    mDirtyBits.set(dirtyBit);
+    mState.mResourceNeedsInit.set(dirtyBit, attachment->initState() == InitState::MayNeedInit);
+    onDirtyBinding->bind(resource);
+
+    invalidateCompletenessCache();
+}
+
+void Framebuffer::resetAttachment(const Context *context, GLenum binding)
+{
+    setAttachment(context, GL_NONE, binding, ImageIndex(), nullptr);
+}
+
+void Framebuffer::setWriteControlMode(SrgbWriteControlMode srgbWriteControlMode)
+{
+    if (srgbWriteControlMode != mState.getWriteControlMode())
+    {
+        mState.mSrgbWriteControlMode = srgbWriteControlMode;
+        mDirtyBits.set(DIRTY_BIT_FRAMEBUFFER_SRGB_WRITE_CONTROL_MODE);
+    }
+}
+
+angle::Result Framebuffer::syncState(const Context *context,
+                                     GLenum framebufferBinding,
+                                     Command command) const
+{
+    if (mDirtyBits.any())
+    {
+        mDirtyBitsGuard = mDirtyBits;
+        ANGLE_TRY(mImpl->syncState(context, framebufferBinding, mDirtyBits, command));
+        mDirtyBits.reset();
+        mDirtyBitsGuard.reset();
+    }
+    return angle::Result::Continue;
+}
+
+void Framebuffer::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    if (message != angle::SubjectMessage::SubjectChanged)
+    {
+        // This can be triggered by SubImage calls for Textures.
+        if (message == angle::SubjectMessage::ContentsChanged)
+        {
+            mDirtyBits.set(DIRTY_BIT_COLOR_BUFFER_CONTENTS_0 + index);
+            onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+            return;
+        }
+
+        // Swapchain changes should only result in color buffer changes.
+        if (message == angle::SubjectMessage::SwapchainImageChanged)
+        {
+            if (index < DIRTY_BIT_COLOR_ATTACHMENT_MAX)
+            {
+                mDirtyBits.set(DIRTY_BIT_COLOR_BUFFER_CONTENTS_0 + index);
+                onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+            }
+            return;
+        }
+
+        ASSERT(message != angle::SubjectMessage::BindingChanged);
+
+        // This can be triggered by external changes to the default framebuffer.
+        if (message == angle::SubjectMessage::SurfaceChanged)
+        {
+            onStateChange(angle::SubjectMessage::SurfaceChanged);
+            return;
+        }
+
+        // This can be triggered by freeing TextureStorage in D3D back-end.
+        if (message == angle::SubjectMessage::StorageReleased)
+        {
+            mDirtyBits.set(index);
+            invalidateCompletenessCache();
+            return;
+        }
+
+        // This can be triggered by the GL back-end TextureGL class.
+        ASSERT(message == angle::SubjectMessage::DirtyBitsFlagged);
+        return;
+    }
+
+    ASSERT(!mDirtyBitsGuard.valid() || mDirtyBitsGuard.value().test(index));
+    mDirtyBits.set(index);
+
+    invalidateCompletenessCache();
+
+    FramebufferAttachment *attachment = getAttachmentFromSubjectIndex(index);
+
+    // Mark the appropriate init flag.
+    mState.mResourceNeedsInit.set(index, attachment->initState() == InitState::MayNeedInit);
+
+    // Update mFloat32ColorAttachmentBits Cache
+    if (index < DIRTY_BIT_COLOR_ATTACHMENT_MAX)
+    {
+        ASSERT(index != DIRTY_BIT_DEPTH_ATTACHMENT);
+        ASSERT(index != DIRTY_BIT_STENCIL_ATTACHMENT);
+        updateFloat32ColorAttachmentBits(index - DIRTY_BIT_COLOR_ATTACHMENT_0,
+                                         attachment->getFormat().info);
+    }
+}
+
+FramebufferAttachment *Framebuffer::getAttachmentFromSubjectIndex(angle::SubjectIndex index)
+{
+    switch (index)
+    {
+        case DIRTY_BIT_DEPTH_ATTACHMENT:
+            return &mState.mDepthAttachment;
+        case DIRTY_BIT_STENCIL_ATTACHMENT:
+            return &mState.mStencilAttachment;
+        default:
+            size_t colorIndex = (index - DIRTY_BIT_COLOR_ATTACHMENT_0);
+            ASSERT(colorIndex < mState.mColorAttachments.size());
+            return &mState.mColorAttachments[colorIndex];
+    }
+}
+
+bool Framebuffer::formsRenderingFeedbackLoopWith(const Context *context) const
+{
+    const State &glState                = context->getState();
+    const ProgramExecutable *executable = glState.getLinkedProgramExecutable(context);
+
+    // In some error cases there may be no bound program or executable.
+    if (!executable)
+        return false;
+
+    const ActiveTextureMask &activeTextures    = executable->getActiveSamplersMask();
+    const ActiveTextureTypeArray &textureTypes = executable->getActiveSamplerTypes();
+
+    for (size_t textureIndex : activeTextures)
+    {
+        unsigned int uintIndex = static_cast<unsigned int>(textureIndex);
+        Texture *texture       = glState.getSamplerTexture(uintIndex, textureTypes[textureIndex]);
+        const Sampler *sampler = glState.getSampler(uintIndex);
+        if (texture && texture->isSamplerComplete(context, sampler) &&
+            texture->isBoundToFramebuffer(mState.mFramebufferSerial))
+        {
+            // Check for level overlap.
+            for (const FramebufferAttachment &attachment : mState.mColorAttachments)
+            {
+                if (AttachmentOverlapsWithTexture(attachment, texture, sampler))
+                {
+                    return true;
+                }
+            }
+
+            if (AttachmentOverlapsWithTexture(mState.mDepthAttachment, texture, sampler))
+            {
+                return true;
+            }
+
+            if (AttachmentOverlapsWithTexture(mState.mStencilAttachment, texture, sampler))
+            {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+bool Framebuffer::formsCopyingFeedbackLoopWith(TextureID copyTextureID,
+                                               GLint copyTextureLevel,
+                                               GLint copyTextureLayer) const
+{
+    if (mState.isDefault())
+    {
+        // It seems impossible to form a texture copying feedback loop with the default FBO.
+        return false;
+    }
+
+    const FramebufferAttachment *readAttachment = getReadColorAttachment();
+    ASSERT(readAttachment);
+
+    if (readAttachment->isTextureWithId(copyTextureID))
+    {
+        const auto &imageIndex = readAttachment->getTextureImageIndex();
+        if (imageIndex.getLevelIndex() == copyTextureLevel)
+        {
+            // Check 3D/Array texture layers.
+            return !imageIndex.hasLayer() || copyTextureLayer == ImageIndex::kEntireLevel ||
+                   imageIndex.getLayerIndex() == copyTextureLayer;
+        }
+    }
+    return false;
+}
+
+GLint Framebuffer::getDefaultWidth() const
+{
+    return mState.getDefaultWidth();
+}
+
+GLint Framebuffer::getDefaultHeight() const
+{
+    return mState.getDefaultHeight();
+}
+
+GLint Framebuffer::getDefaultSamples() const
+{
+    return mState.getDefaultSamples();
+}
+
+bool Framebuffer::getDefaultFixedSampleLocations() const
+{
+    return mState.getDefaultFixedSampleLocations();
+}
+
+GLint Framebuffer::getDefaultLayers() const
+{
+    return mState.getDefaultLayers();
+}
+
+bool Framebuffer::getFlipY() const
+{
+    return mState.getFlipY();
+}
+
+void Framebuffer::setDefaultWidth(const Context *context, GLint defaultWidth)
+{
+    mState.mDefaultWidth = defaultWidth;
+    mDirtyBits.set(DIRTY_BIT_DEFAULT_WIDTH);
+    invalidateCompletenessCache();
+}
+
+void Framebuffer::setDefaultHeight(const Context *context, GLint defaultHeight)
+{
+    mState.mDefaultHeight = defaultHeight;
+    mDirtyBits.set(DIRTY_BIT_DEFAULT_HEIGHT);
+    invalidateCompletenessCache();
+}
+
+void Framebuffer::setDefaultSamples(const Context *context, GLint defaultSamples)
+{
+    mState.mDefaultSamples = defaultSamples;
+    mDirtyBits.set(DIRTY_BIT_DEFAULT_SAMPLES);
+    invalidateCompletenessCache();
+}
+
+void Framebuffer::setDefaultFixedSampleLocations(const Context *context,
+                                                 bool defaultFixedSampleLocations)
+{
+    mState.mDefaultFixedSampleLocations = defaultFixedSampleLocations;
+    mDirtyBits.set(DIRTY_BIT_DEFAULT_FIXED_SAMPLE_LOCATIONS);
+    invalidateCompletenessCache();
+}
+
+void Framebuffer::setDefaultLayers(GLint defaultLayers)
+{
+    mState.mDefaultLayers = defaultLayers;
+    mDirtyBits.set(DIRTY_BIT_DEFAULT_LAYERS);
+}
+
+void Framebuffer::setFlipY(bool flipY)
+{
+    mState.mFlipY = flipY;
+    mDirtyBits.set(DIRTY_BIT_FLIP_Y);
+    invalidateCompletenessCache();
+}
+
+GLsizei Framebuffer::getNumViews() const
+{
+    return mState.getNumViews();
+}
+
+GLint Framebuffer::getBaseViewIndex() const
+{
+    return mState.getBaseViewIndex();
+}
+
+bool Framebuffer::isMultiview() const
+{
+    return mState.isMultiview();
+}
+
+bool Framebuffer::readDisallowedByMultiview() const
+{
+    return (mState.isMultiview() && mState.getNumViews() > 1);
+}
+
+angle::Result Framebuffer::ensureClearAttachmentsInitialized(const Context *context,
+                                                             GLbitfield mask)
+{
+    const auto &glState = context->getState();
+    if (!context->isRobustResourceInitEnabled() || glState.isRasterizerDiscardEnabled())
+    {
+        return angle::Result::Continue;
+    }
+
+    const DepthStencilState &depthStencil = glState.getDepthStencilState();
+
+    bool color = (mask & GL_COLOR_BUFFER_BIT) != 0 && !glState.allActiveDrawBufferChannelsMasked();
+    bool depth = (mask & GL_DEPTH_BUFFER_BIT) != 0 && !depthStencil.isDepthMaskedOut();
+    bool stencil = (mask & GL_STENCIL_BUFFER_BIT) != 0 && !depthStencil.isStencilMaskedOut();
+
+    if (!color && !depth && !stencil)
+    {
+        return angle::Result::Continue;
+    }
+
+    if (partialClearNeedsInit(context, color, depth, stencil))
+    {
+        ANGLE_TRY(ensureDrawAttachmentsInitialized(context));
+    }
+
+    // If the impl encounters an error during a a full (non-partial) clear, the attachments will
+    // still be marked initialized. This simplifies design, allowing this method to be called before
+    // the clear.
+    markDrawAttachmentsInitialized(color, depth, stencil);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer::ensureClearBufferAttachmentsInitialized(const Context *context,
+                                                                   GLenum buffer,
+                                                                   GLint drawbuffer)
+{
+    if (!context->isRobustResourceInitEnabled() ||
+        context->getState().isRasterizerDiscardEnabled() ||
+        context->isClearBufferMaskedOut(buffer, drawbuffer))
+    {
+        return angle::Result::Continue;
+    }
+
+    if (partialBufferClearNeedsInit(context, buffer))
+    {
+        ANGLE_TRY(ensureBufferInitialized(context, buffer, drawbuffer));
+    }
+
+    // If the impl encounters an error during a a full (non-partial) clear, the attachments will
+    // still be marked initialized. This simplifies design, allowing this method to be called before
+    // the clear.
+    markBufferInitialized(buffer, drawbuffer);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer::ensureDrawAttachmentsInitialized(const Context *context)
+{
+    if (!context->isRobustResourceInitEnabled())
+    {
+        return angle::Result::Continue;
+    }
+
+    // Note: we don't actually filter by the draw attachment enum. Just init everything.
+    for (size_t bit : mState.mResourceNeedsInit)
+    {
+        switch (bit)
+        {
+            case DIRTY_BIT_DEPTH_ATTACHMENT:
+                ANGLE_TRY(InitAttachment(context, &mState.mDepthAttachment));
+                break;
+            case DIRTY_BIT_STENCIL_ATTACHMENT:
+                ANGLE_TRY(InitAttachment(context, &mState.mStencilAttachment));
+                break;
+            default:
+                ANGLE_TRY(InitAttachment(context, &mState.mColorAttachments[bit]));
+                break;
+        }
+    }
+
+    mState.mResourceNeedsInit.reset();
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer::ensureReadAttachmentsInitialized(const Context *context)
+{
+    ASSERT(context->isRobustResourceInitEnabled());
+
+    if (mState.mResourceNeedsInit.none())
+    {
+        return angle::Result::Continue;
+    }
+
+    if (mState.mReadBufferState != GL_NONE)
+    {
+        if (isDefault())
+        {
+            if (!mState.mDefaultFramebufferReadAttachmentInitialized)
+            {
+                ANGLE_TRY(InitAttachment(context, &mState.mDefaultFramebufferReadAttachment));
+                mState.mDefaultFramebufferReadAttachmentInitialized = true;
+            }
+        }
+        else
+        {
+            size_t readIndex = mState.getReadIndex();
+            if (mState.mResourceNeedsInit[readIndex])
+            {
+                ANGLE_TRY(InitAttachment(context, &mState.mColorAttachments[readIndex]));
+                mState.mResourceNeedsInit.reset(readIndex);
+            }
+        }
+    }
+
+    // Conservatively init depth since it can be read by BlitFramebuffer.
+    if (hasDepth())
+    {
+        if (mState.mResourceNeedsInit[DIRTY_BIT_DEPTH_ATTACHMENT])
+        {
+            ANGLE_TRY(InitAttachment(context, &mState.mDepthAttachment));
+            mState.mResourceNeedsInit.reset(DIRTY_BIT_DEPTH_ATTACHMENT);
+        }
+    }
+
+    // Conservatively init stencil since it can be read by BlitFramebuffer.
+    if (hasStencil())
+    {
+        if (mState.mResourceNeedsInit[DIRTY_BIT_STENCIL_ATTACHMENT])
+        {
+            ANGLE_TRY(InitAttachment(context, &mState.mStencilAttachment));
+            mState.mResourceNeedsInit.reset(DIRTY_BIT_STENCIL_ATTACHMENT);
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+void Framebuffer::markDrawAttachmentsInitialized(bool color, bool depth, bool stencil)
+{
+    // Mark attachments as initialized.
+    if (color)
+    {
+        for (auto colorIndex : mState.mEnabledDrawBuffers)
+        {
+            auto &colorAttachment = mState.mColorAttachments[colorIndex];
+            ASSERT(colorAttachment.isAttached());
+            colorAttachment.setInitState(InitState::Initialized);
+            mState.mResourceNeedsInit.reset(colorIndex);
+        }
+    }
+
+    if (depth && mState.mDepthAttachment.isAttached())
+    {
+        mState.mDepthAttachment.setInitState(InitState::Initialized);
+        mState.mResourceNeedsInit.reset(DIRTY_BIT_DEPTH_ATTACHMENT);
+    }
+
+    if (stencil && mState.mStencilAttachment.isAttached())
+    {
+        mState.mStencilAttachment.setInitState(InitState::Initialized);
+        mState.mResourceNeedsInit.reset(DIRTY_BIT_STENCIL_ATTACHMENT);
+    }
+}
+
+void Framebuffer::markBufferInitialized(GLenum bufferType, GLint bufferIndex)
+{
+    switch (bufferType)
+    {
+        case GL_COLOR:
+        {
+            ASSERT(bufferIndex < static_cast<GLint>(mState.mColorAttachments.size()));
+            if (mState.mColorAttachments[bufferIndex].isAttached())
+            {
+                mState.mColorAttachments[bufferIndex].setInitState(InitState::Initialized);
+                mState.mResourceNeedsInit.reset(bufferIndex);
+            }
+            break;
+        }
+        case GL_DEPTH:
+        {
+            if (mState.mDepthAttachment.isAttached())
+            {
+                mState.mDepthAttachment.setInitState(InitState::Initialized);
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_DEPTH_ATTACHMENT);
+            }
+            break;
+        }
+        case GL_STENCIL:
+        {
+            if (mState.mStencilAttachment.isAttached())
+            {
+                mState.mStencilAttachment.setInitState(InitState::Initialized);
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_STENCIL_ATTACHMENT);
+            }
+            break;
+        }
+        case GL_DEPTH_STENCIL:
+        {
+            if (mState.mDepthAttachment.isAttached())
+            {
+                mState.mDepthAttachment.setInitState(InitState::Initialized);
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_DEPTH_ATTACHMENT);
+            }
+            if (mState.mStencilAttachment.isAttached())
+            {
+                mState.mStencilAttachment.setInitState(InitState::Initialized);
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_STENCIL_ATTACHMENT);
+            }
+            break;
+        }
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+Box Framebuffer::getDimensions() const
+{
+    return mState.getDimensions();
+}
+
+Extents Framebuffer::getExtents() const
+{
+    return mState.getExtents();
+}
+
+angle::Result Framebuffer::ensureBufferInitialized(const Context *context,
+                                                   GLenum bufferType,
+                                                   GLint bufferIndex)
+{
+    ASSERT(context->isRobustResourceInitEnabled());
+
+    if (mState.mResourceNeedsInit.none())
+    {
+        return angle::Result::Continue;
+    }
+
+    switch (bufferType)
+    {
+        case GL_COLOR:
+        {
+            ASSERT(bufferIndex < static_cast<GLint>(mState.mColorAttachments.size()));
+            if (mState.mResourceNeedsInit[bufferIndex])
+            {
+                ANGLE_TRY(InitAttachment(context, &mState.mColorAttachments[bufferIndex]));
+                mState.mResourceNeedsInit.reset(bufferIndex);
+            }
+            break;
+        }
+        case GL_DEPTH:
+        {
+            if (mState.mResourceNeedsInit[DIRTY_BIT_DEPTH_ATTACHMENT])
+            {
+                ANGLE_TRY(InitAttachment(context, &mState.mDepthAttachment));
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_DEPTH_ATTACHMENT);
+            }
+            break;
+        }
+        case GL_STENCIL:
+        {
+            if (mState.mResourceNeedsInit[DIRTY_BIT_STENCIL_ATTACHMENT])
+            {
+                ANGLE_TRY(InitAttachment(context, &mState.mStencilAttachment));
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_STENCIL_ATTACHMENT);
+            }
+            break;
+        }
+        case GL_DEPTH_STENCIL:
+        {
+            if (mState.mResourceNeedsInit[DIRTY_BIT_DEPTH_ATTACHMENT])
+            {
+                ANGLE_TRY(InitAttachment(context, &mState.mDepthAttachment));
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_DEPTH_ATTACHMENT);
+            }
+            if (mState.mResourceNeedsInit[DIRTY_BIT_STENCIL_ATTACHMENT])
+            {
+                ANGLE_TRY(InitAttachment(context, &mState.mStencilAttachment));
+                mState.mResourceNeedsInit.reset(DIRTY_BIT_STENCIL_ATTACHMENT);
+            }
+            break;
+        }
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return angle::Result::Continue;
+}
+
+bool Framebuffer::partialBufferClearNeedsInit(const Context *context, GLenum bufferType)
+{
+    if (!context->isRobustResourceInitEnabled() || mState.mResourceNeedsInit.none())
+    {
+        return false;
+    }
+
+    switch (bufferType)
+    {
+        case GL_COLOR:
+            return partialClearNeedsInit(context, true, false, false);
+        case GL_DEPTH:
+            return partialClearNeedsInit(context, false, true, false);
+        case GL_STENCIL:
+            return partialClearNeedsInit(context, false, false, true);
+        case GL_DEPTH_STENCIL:
+            return partialClearNeedsInit(context, false, true, true);
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+PixelLocalStorage &Framebuffer::getPixelLocalStorage(const Context *context)
+{
+    if (!mPixelLocalStorage)
+    {
+        mPixelLocalStorage = PixelLocalStorage::Make(context);
+    }
+    return *mPixelLocalStorage.get();
+}
+
+std::unique_ptr<PixelLocalStorage> Framebuffer::detachPixelLocalStorage()
+{
+    return std::move(mPixelLocalStorage);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Framebuffer.h b/gfx/angle/checkout/src/libANGLE/Framebuffer.h
new file mode 100644
index 0000000000..024ad49687
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Framebuffer.h
@@ -0,0 +1,538 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Framebuffer.h: Defines the gl::Framebuffer class. Implements GL framebuffer
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105.
+
+#ifndef LIBANGLE_FRAMEBUFFER_H_
+#define LIBANGLE_FRAMEBUFFER_H_
+
+#include <vector>
+
+#include "common/FixedVector.h"
+#include "common/Optional.h"
+#include "common/angleutils.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/State.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+class GLImplFactory;
+class FramebufferImpl;
+class RenderbufferImpl;
+class SurfaceImpl;
+}  // namespace rx
+
+namespace egl
+{
+class Display;
+class Surface;
+}  // namespace egl
+
+namespace gl
+{
+struct Caps;
+class Context;
+struct Extensions;
+class Framebuffer;
+class ImageIndex;
+class PixelLocalStorage;
+class Renderbuffer;
+class TextureCapsMap;
+
+struct FramebufferStatus
+{
+    bool isComplete() const;
+
+    static FramebufferStatus Complete();
+    static FramebufferStatus Incomplete(GLenum status, const char *reason);
+
+    GLenum status      = GL_FRAMEBUFFER_COMPLETE;
+    const char *reason = nullptr;
+};
+
+class FramebufferState final : angle::NonCopyable
+{
+  public:
+    explicit FramebufferState(rx::Serial serial);
+    FramebufferState(const Caps &caps, FramebufferID id, rx::Serial serial);
+    ~FramebufferState();
+
+    const std::string &getLabel() const;
+    uint32_t getReadIndex() const;
+
+    const FramebufferAttachment *getAttachment(const Context *context, GLenum attachment) const;
+    const FramebufferAttachment *getReadAttachment() const;
+    const FramebufferAttachment *getFirstNonNullAttachment() const;
+    const FramebufferAttachment *getFirstColorAttachment() const;
+    const FramebufferAttachment *getDepthOrStencilAttachment() const;
+    const FramebufferAttachment *getStencilOrDepthStencilAttachment() const;
+    const FramebufferAttachment *getColorAttachment(size_t colorAttachment) const;
+    const FramebufferAttachment *getDepthAttachment() const;
+    const FramebufferAttachment *getStencilAttachment() const;
+    const FramebufferAttachment *getDepthStencilAttachment() const;
+    const FramebufferAttachment *getReadPixelsAttachment(GLenum readFormat) const;
+
+    const DrawBuffersVector<GLenum> &getDrawBufferStates() const { return mDrawBufferStates; }
+    DrawBufferMask getEnabledDrawBuffers() const { return mEnabledDrawBuffers; }
+    GLenum getReadBufferState() const { return mReadBufferState; }
+
+    const DrawBuffersVector<FramebufferAttachment> &getColorAttachments() const
+    {
+        return mColorAttachments;
+    }
+    const DrawBufferMask getColorAttachmentsMask() const { return mColorAttachmentsMask; }
+
+    const Extents getAttachmentExtentsIntersection() const;
+    bool attachmentsHaveSameDimensions() const;
+    bool hasSeparateDepthAndStencilAttachments() const;
+    bool colorAttachmentsAreUniqueImages() const;
+    Box getDimensions() const;
+    Extents getExtents() const;
+
+    const FramebufferAttachment *getDrawBuffer(size_t drawBufferIdx) const;
+    size_t getDrawBufferCount() const;
+
+    GLint getDefaultWidth() const { return mDefaultWidth; }
+    GLint getDefaultHeight() const { return mDefaultHeight; }
+    GLint getDefaultSamples() const { return mDefaultSamples; }
+    bool getDefaultFixedSampleLocations() const { return mDefaultFixedSampleLocations; }
+    GLint getDefaultLayers() const { return mDefaultLayers; }
+    bool getFlipY() const { return mFlipY; }
+
+    bool hasDepth() const;
+    bool hasStencil() const;
+
+    bool hasExternalTextureAttachment() const;
+    bool hasYUVAttachment() const;
+
+    bool isMultiview() const;
+
+    ANGLE_INLINE GLsizei getNumViews() const
+    {
+        const FramebufferAttachment *attachment = getFirstNonNullAttachment();
+        if (attachment == nullptr)
+        {
+            return FramebufferAttachment::kDefaultNumViews;
+        }
+        return attachment->getNumViews();
+    }
+
+    GLint getBaseViewIndex() const;
+
+    SrgbWriteControlMode getWriteControlMode() const { return mSrgbWriteControlMode; }
+
+    FramebufferID id() const { return mId; }
+
+    bool isDefault() const;
+
+    const Offset &getSurfaceTextureOffset() const { return mSurfaceTextureOffset; }
+
+    rx::Serial getFramebufferSerial() const { return mFramebufferSerial; }
+
+    bool isBoundAsDrawFramebuffer(const Context *context) const;
+
+  private:
+    const FramebufferAttachment *getWebGLDepthStencilAttachment() const;
+    const FramebufferAttachment *getWebGLDepthAttachment() const;
+    const FramebufferAttachment *getWebGLStencilAttachment() const;
+
+    friend class Framebuffer;
+
+    // The Framebuffer ID is unique to a Context.
+    // The Framebuffer Serial is unique to a Share Group.
+    FramebufferID mId;
+    rx::Serial mFramebufferSerial;
+    std::string mLabel;
+
+    DrawBuffersVector<FramebufferAttachment> mColorAttachments;
+    FramebufferAttachment mDepthAttachment;
+    FramebufferAttachment mStencilAttachment;
+
+    // Tracks all the color buffers attached to this FramebufferDesc
+    DrawBufferMask mColorAttachmentsMask;
+
+    DrawBuffersVector<GLenum> mDrawBufferStates;
+    GLenum mReadBufferState;
+    DrawBufferMask mEnabledDrawBuffers;
+    ComponentTypeMask mDrawBufferTypeMask;
+
+    GLint mDefaultWidth;
+    GLint mDefaultHeight;
+    GLint mDefaultSamples;
+    bool mDefaultFixedSampleLocations;
+    GLint mDefaultLayers;
+    bool mFlipY;
+
+    // It's necessary to store all this extra state so we can restore attachments
+    // when DEPTH_STENCIL/DEPTH/STENCIL is unbound in WebGL 1.
+    FramebufferAttachment mWebGLDepthStencilAttachment;
+    FramebufferAttachment mWebGLDepthAttachment;
+    FramebufferAttachment mWebGLStencilAttachment;
+    bool mWebGLDepthStencilConsistent;
+
+    // Tracks if we need to initialize the resources for each attachment.
+    angle::BitSet<IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS + 2> mResourceNeedsInit;
+
+    bool mDefaultFramebufferReadAttachmentInitialized;
+    FramebufferAttachment mDefaultFramebufferReadAttachment;
+
+    // EXT_sRGB_write_control
+    SrgbWriteControlMode mSrgbWriteControlMode;
+
+    Offset mSurfaceTextureOffset;
+};
+
+class Framebuffer final : public angle::ObserverInterface,
+                          public LabeledObject,
+                          public angle::Subject
+{
+  public:
+    // Constructor to build default framebuffers.
+    Framebuffer(const Context *context, rx::GLImplFactory *factory);
+    // Constructor to build application-defined framebuffers
+    Framebuffer(const Context *context, rx::GLImplFactory *factory, FramebufferID id);
+
+    ~Framebuffer() override;
+    void onDestroy(const Context *context);
+
+    egl::Error setSurfaces(const Context *context,
+                           egl::Surface *surface,
+                           egl::Surface *readSurface);
+    void setReadSurface(const Context *context, egl::Surface *readSurface);
+    egl::Error unsetSurfaces(const Context *context);
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    rx::FramebufferImpl *getImplementation() const { return mImpl; }
+
+    FramebufferID id() const { return mState.mId; }
+
+    void setAttachment(const Context *context,
+                       GLenum type,
+                       GLenum binding,
+                       const ImageIndex &textureIndex,
+                       FramebufferAttachmentObject *resource);
+    void setAttachmentMultisample(const Context *context,
+                                  GLenum type,
+                                  GLenum binding,
+                                  const ImageIndex &textureIndex,
+                                  FramebufferAttachmentObject *resource,
+                                  GLsizei samples);
+    void setAttachmentMultiview(const Context *context,
+                                GLenum type,
+                                GLenum binding,
+                                const ImageIndex &textureIndex,
+                                FramebufferAttachmentObject *resource,
+                                GLsizei numViews,
+                                GLint baseViewIndex);
+    void resetAttachment(const Context *context, GLenum binding);
+
+    bool detachTexture(const Context *context, TextureID texture);
+    bool detachRenderbuffer(const Context *context, RenderbufferID renderbuffer);
+
+    const FramebufferAttachment *getColorAttachment(size_t colorAttachment) const;
+    const FramebufferAttachment *getDepthAttachment() const;
+    const FramebufferAttachment *getStencilAttachment() const;
+    const FramebufferAttachment *getDepthStencilAttachment() const;
+    const FramebufferAttachment *getDepthOrStencilAttachment() const;
+    const FramebufferAttachment *getStencilOrDepthStencilAttachment() const;
+    const FramebufferAttachment *getReadColorAttachment() const;
+    GLenum getReadColorAttachmentType() const;
+    const FramebufferAttachment *getFirstColorAttachment() const;
+    const FramebufferAttachment *getFirstNonNullAttachment() const;
+
+    const DrawBuffersVector<FramebufferAttachment> &getColorAttachments() const
+    {
+        return mState.mColorAttachments;
+    }
+
+    const FramebufferState &getState() const { return mState; }
+
+    const FramebufferAttachment *getAttachment(const Context *context, GLenum attachment) const;
+    bool isMultiview() const;
+    bool readDisallowedByMultiview() const;
+    GLsizei getNumViews() const;
+    GLint getBaseViewIndex() const;
+    Extents getExtents() const;
+
+    size_t getDrawbufferStateCount() const;
+    GLenum getDrawBufferState(size_t drawBuffer) const;
+    const DrawBuffersVector<GLenum> &getDrawBufferStates() const;
+    void setDrawBuffers(size_t count, const GLenum *buffers);
+    const FramebufferAttachment *getDrawBuffer(size_t drawBuffer) const;
+    ComponentType getDrawbufferWriteType(size_t drawBuffer) const;
+    ComponentTypeMask getDrawBufferTypeMask() const;
+    DrawBufferMask getDrawBufferMask() const;
+    bool hasEnabledDrawBuffer() const;
+
+    GLenum getReadBufferState() const;
+    void setReadBuffer(GLenum buffer);
+
+    size_t getNumColorAttachments() const;
+    bool hasDepth() const;
+    bool hasStencil() const;
+
+    bool hasExternalTextureAttachment() const;
+    bool hasYUVAttachment() const;
+
+    bool usingExtendedDrawBuffers() const;
+
+    // This method calls checkStatus.
+    int getSamples(const Context *context) const;
+    int getReadBufferResourceSamples(const Context *context) const;
+
+    angle::Result getSamplePosition(const Context *context, size_t index, GLfloat *xy) const;
+
+    GLint getDefaultWidth() const;
+    GLint getDefaultHeight() const;
+    GLint getDefaultSamples() const;
+    bool getDefaultFixedSampleLocations() const;
+    GLint getDefaultLayers() const;
+    bool getFlipY() const;
+    void setDefaultWidth(const Context *context, GLint defaultWidth);
+    void setDefaultHeight(const Context *context, GLint defaultHeight);
+    void setDefaultSamples(const Context *context, GLint defaultSamples);
+    void setDefaultFixedSampleLocations(const Context *context, bool defaultFixedSampleLocations);
+    void setDefaultLayers(GLint defaultLayers);
+    void setFlipY(bool flipY);
+
+    void invalidateCompletenessCache();
+    ANGLE_INLINE bool cachedStatusValid() { return mCachedStatus.valid(); }
+
+    ANGLE_INLINE const FramebufferStatus &checkStatus(const Context *context) const
+    {
+        // The default framebuffer is always complete except when it is surfaceless in which
+        // case it is always unsupported.
+        ASSERT(!isDefault() || mCachedStatus.valid());
+        if (isDefault() || (!hasAnyDirtyBit() && mCachedStatus.valid()))
+        {
+            return mCachedStatus.value();
+        }
+
+        return checkStatusImpl(context);
+    }
+
+    // Helper for checkStatus == GL_FRAMEBUFFER_COMPLETE.
+    ANGLE_INLINE bool isComplete(const Context *context) const
+    {
+        return checkStatus(context).isComplete();
+    }
+
+    bool hasValidDepthStencil() const;
+
+    // Returns the offset into the texture backing the default framebuffer's surface if any. Returns
+    // zero offset otherwise.  The renderer will apply the offset to scissor and viewport rects used
+    // for draws, clears, and blits.
+    const Offset &getSurfaceTextureOffset() const;
+
+    angle::Result discard(const Context *context, size_t count, const GLenum *attachments);
+    angle::Result invalidate(const Context *context, size_t count, const GLenum *attachments);
+    angle::Result invalidateSub(const Context *context,
+                                size_t count,
+                                const GLenum *attachments,
+                                const Rectangle &area);
+
+    angle::Result clear(const Context *context, GLbitfield mask);
+    angle::Result clearBufferfv(const Context *context,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                const GLfloat *values);
+    angle::Result clearBufferuiv(const Context *context,
+                                 GLenum buffer,
+                                 GLint drawbuffer,
+                                 const GLuint *values);
+    angle::Result clearBufferiv(const Context *context,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                const GLint *values);
+    angle::Result clearBufferfi(const Context *context,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                GLfloat depth,
+                                GLint stencil);
+
+    GLenum getImplementationColorReadFormat(const Context *context);
+    GLenum getImplementationColorReadType(const Context *context);
+
+    angle::Result readPixels(const Context *context,
+                             const Rectangle &area,
+                             GLenum format,
+                             GLenum type,
+                             const PixelPackState &pack,
+                             Buffer *packBuffer,
+                             void *pixels);
+
+    angle::Result blit(const Context *context,
+                       const Rectangle &sourceArea,
+                       const Rectangle &destArea,
+                       GLbitfield mask,
+                       GLenum filter);
+    bool isDefault() const { return mState.isDefault(); }
+
+    enum DirtyBitType : size_t
+    {
+        DIRTY_BIT_COLOR_ATTACHMENT_0,
+        DIRTY_BIT_COLOR_ATTACHMENT_MAX =
+            DIRTY_BIT_COLOR_ATTACHMENT_0 + IMPLEMENTATION_MAX_DRAW_BUFFERS,
+        DIRTY_BIT_DEPTH_ATTACHMENT = DIRTY_BIT_COLOR_ATTACHMENT_MAX,
+        DIRTY_BIT_STENCIL_ATTACHMENT,
+        DIRTY_BIT_COLOR_BUFFER_CONTENTS_0,
+        DIRTY_BIT_COLOR_BUFFER_CONTENTS_MAX =
+            DIRTY_BIT_COLOR_BUFFER_CONTENTS_0 + IMPLEMENTATION_MAX_DRAW_BUFFERS,
+        DIRTY_BIT_DEPTH_BUFFER_CONTENTS = DIRTY_BIT_COLOR_BUFFER_CONTENTS_MAX,
+        DIRTY_BIT_STENCIL_BUFFER_CONTENTS,
+        DIRTY_BIT_DRAW_BUFFERS,
+        DIRTY_BIT_READ_BUFFER,
+        DIRTY_BIT_DEFAULT_WIDTH,
+        DIRTY_BIT_DEFAULT_HEIGHT,
+        DIRTY_BIT_DEFAULT_SAMPLES,
+        DIRTY_BIT_DEFAULT_FIXED_SAMPLE_LOCATIONS,
+        DIRTY_BIT_DEFAULT_LAYERS,
+        DIRTY_BIT_FRAMEBUFFER_SRGB_WRITE_CONTROL_MODE,
+        DIRTY_BIT_FLIP_Y,
+        DIRTY_BIT_UNKNOWN,
+        DIRTY_BIT_MAX = DIRTY_BIT_UNKNOWN
+    };
+
+    using DirtyBits = angle::BitSet<DIRTY_BIT_MAX>;
+    bool hasAnyDirtyBit() const { return mDirtyBits.any(); }
+
+    DrawBufferMask getActiveFloat32ColorAttachmentDrawBufferMask() const
+    {
+        return mFloat32ColorAttachmentBits & getDrawBufferMask();
+    }
+
+    bool hasResourceThatNeedsInit() const { return mState.mResourceNeedsInit.any(); }
+
+    angle::Result syncState(const Context *context,
+                            GLenum framebufferBinding,
+                            Command command) const;
+
+    void setWriteControlMode(SrgbWriteControlMode srgbWriteControlMode);
+
+    // Observer implementation
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    bool formsRenderingFeedbackLoopWith(const Context *context) const;
+    bool formsCopyingFeedbackLoopWith(TextureID copyTextureID,
+                                      GLint copyTextureLevel,
+                                      GLint copyTextureLayer) const;
+
+    angle::Result ensureClearAttachmentsInitialized(const Context *context, GLbitfield mask);
+    angle::Result ensureClearBufferAttachmentsInitialized(const Context *context,
+                                                          GLenum buffer,
+                                                          GLint drawbuffer);
+    angle::Result ensureDrawAttachmentsInitialized(const Context *context);
+
+    // Conservatively initializes both read color and depth. Blit can access the depth buffer.
+    angle::Result ensureReadAttachmentsInitialized(const Context *context);
+    Box getDimensions() const;
+
+    // ANGLE_shader_pixel_local_storage.
+    // Lazily creates a PixelLocalStorage object for this Framebuffer.
+    PixelLocalStorage &getPixelLocalStorage(const Context *);
+    // Returns nullptr if the pixel local storage object has not been created yet.
+    const PixelLocalStorage *peekPixelLocalStorage() const { return mPixelLocalStorage.get(); }
+    // Detaches the the pixel local storage object so the Context can call deleteContextObjects().
+    std::unique_ptr<PixelLocalStorage> detachPixelLocalStorage();
+
+    static const FramebufferID kDefaultDrawFramebufferHandle;
+
+  private:
+    bool detachResourceById(const Context *context, GLenum resourceType, GLuint resourceId);
+    bool detachMatchingAttachment(const Context *context,
+                                  FramebufferAttachment *attachment,
+                                  GLenum matchType,
+                                  GLuint matchId);
+    FramebufferStatus checkStatusWithGLFrontEnd(const Context *context) const;
+    const FramebufferStatus &checkStatusImpl(const Context *context) const;
+    void setAttachment(const Context *context,
+                       GLenum type,
+                       GLenum binding,
+                       const ImageIndex &textureIndex,
+                       FramebufferAttachmentObject *resource,
+                       GLsizei numViews,
+                       GLuint baseViewIndex,
+                       bool isMultiview,
+                       GLsizei samplesIn);
+    void commitWebGL1DepthStencilIfConsistent(const Context *context,
+                                              GLsizei numViews,
+                                              GLuint baseViewIndex,
+                                              bool isMultiview,
+                                              GLsizei samples);
+    void setAttachmentImpl(const Context *context,
+                           GLenum type,
+                           GLenum binding,
+                           const ImageIndex &textureIndex,
+                           FramebufferAttachmentObject *resource,
+                           GLsizei numViews,
+                           GLuint baseViewIndex,
+                           bool isMultiview,
+                           GLsizei samples);
+    void updateAttachment(const Context *context,
+                          FramebufferAttachment *attachment,
+                          size_t dirtyBit,
+                          angle::ObserverBinding *onDirtyBinding,
+                          GLenum type,
+                          GLenum binding,
+                          const ImageIndex &textureIndex,
+                          FramebufferAttachmentObject *resource,
+                          GLsizei numViews,
+                          GLuint baseViewIndex,
+                          bool isMultiview,
+                          GLsizei samples);
+
+    void markDrawAttachmentsInitialized(bool color, bool depth, bool stencil);
+    void markBufferInitialized(GLenum bufferType, GLint bufferIndex);
+    angle::Result ensureBufferInitialized(const Context *context,
+                                          GLenum bufferType,
+                                          GLint bufferIndex);
+
+    // Checks that we have a partially masked clear:
+    // * some color channels are masked out
+    // * some stencil values are masked out
+    // * scissor test partially overlaps the framebuffer
+    bool partialClearNeedsInit(const Context *context, bool color, bool depth, bool stencil);
+    bool partialBufferClearNeedsInit(const Context *context, GLenum bufferType);
+
+    FramebufferAttachment *getAttachmentFromSubjectIndex(angle::SubjectIndex index);
+
+    ANGLE_INLINE void updateFloat32ColorAttachmentBits(size_t index, const InternalFormat *format)
+    {
+        mFloat32ColorAttachmentBits.set(index, format->type == GL_FLOAT);
+    }
+
+    FramebufferState mState;
+    rx::FramebufferImpl *mImpl;
+
+    mutable Optional<FramebufferStatus> mCachedStatus;
+    DrawBuffersVector<angle::ObserverBinding> mDirtyColorAttachmentBindings;
+    angle::ObserverBinding mDirtyDepthAttachmentBinding;
+    angle::ObserverBinding mDirtyStencilAttachmentBinding;
+
+    mutable DirtyBits mDirtyBits;
+    DrawBufferMask mFloat32ColorAttachmentBits;
+
+    // The dirty bits guard is checked when we get a dependent state change message. We verify that
+    // we don't set a dirty bit that isn't already set, when inside the dirty bits syncState.
+    mutable Optional<DirtyBits> mDirtyBitsGuard;
+
+    // ANGLE_shader_pixel_local_storage
+    std::unique_ptr<PixelLocalStorage> mPixelLocalStorage;
+};
+
+using UniqueFramebufferPointer = angle::UniqueObjectPointer<Framebuffer, Context>;
+
+}  // namespace gl
+
+#endif  // LIBANGLE_FRAMEBUFFER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/FramebufferAttachment.cpp b/gfx/angle/checkout/src/libANGLE/FramebufferAttachment.cpp
new file mode 100644
index 0000000000..6a3e88051f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/FramebufferAttachment.cpp
@@ -0,0 +1,350 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// FramebufferAttachment.cpp: the gl::FramebufferAttachment class and its derived classes
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108.
+
+#include "libANGLE/FramebufferAttachment.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
+#include "libANGLE/renderer/FramebufferImpl.h"
+
+namespace gl
+{
+
+////// FramebufferAttachment::Target Implementation //////
+
+const GLsizei FramebufferAttachment::kDefaultNumViews             = 1;
+const GLint FramebufferAttachment::kDefaultBaseViewIndex          = 0;
+const GLint FramebufferAttachment::kDefaultRenderToTextureSamples = 0;
+
+FramebufferAttachment::Target::Target() : mBinding(GL_NONE), mTextureIndex() {}
+
+FramebufferAttachment::Target::Target(GLenum binding, const ImageIndex &imageIndex)
+    : mBinding(binding), mTextureIndex(imageIndex)
+{}
+
+FramebufferAttachment::Target::Target(const Target &other)
+    : mBinding(other.mBinding), mTextureIndex(other.mTextureIndex)
+{}
+
+FramebufferAttachment::Target &FramebufferAttachment::Target::operator=(const Target &other)
+{
+    this->mBinding      = other.mBinding;
+    this->mTextureIndex = other.mTextureIndex;
+    return *this;
+}
+
+////// FramebufferAttachment Implementation //////
+
+FramebufferAttachment::FramebufferAttachment()
+    : mType(GL_NONE),
+      mResource(nullptr),
+      mNumViews(kDefaultNumViews),
+      mIsMultiview(false),
+      mBaseViewIndex(kDefaultBaseViewIndex),
+      mRenderToTextureSamples(kDefaultRenderToTextureSamples)
+{}
+
+FramebufferAttachment::FramebufferAttachment(const Context *context,
+                                             GLenum type,
+                                             GLenum binding,
+                                             const ImageIndex &textureIndex,
+                                             FramebufferAttachmentObject *resource,
+                                             rx::Serial framebufferSerial)
+    : mResource(nullptr)
+{
+    attach(context, type, binding, textureIndex, resource, kDefaultNumViews, kDefaultBaseViewIndex,
+           false, kDefaultRenderToTextureSamples, framebufferSerial);
+}
+
+FramebufferAttachment::FramebufferAttachment(FramebufferAttachment &&other)
+    : FramebufferAttachment()
+{
+    *this = std::move(other);
+}
+
+FramebufferAttachment &FramebufferAttachment::operator=(FramebufferAttachment &&other)
+{
+    std::swap(mType, other.mType);
+    std::swap(mTarget, other.mTarget);
+    std::swap(mResource, other.mResource);
+    std::swap(mNumViews, other.mNumViews);
+    std::swap(mIsMultiview, other.mIsMultiview);
+    std::swap(mBaseViewIndex, other.mBaseViewIndex);
+    std::swap(mRenderToTextureSamples, other.mRenderToTextureSamples);
+    return *this;
+}
+
+FramebufferAttachment::~FramebufferAttachment()
+{
+    ASSERT(!isAttached());
+}
+
+void FramebufferAttachment::detach(const Context *context, rx::Serial framebufferSerial)
+{
+    mType = GL_NONE;
+    if (mResource != nullptr)
+    {
+        mResource->onDetach(context, framebufferSerial);
+        mResource = nullptr;
+    }
+    mNumViews      = kDefaultNumViews;
+    mIsMultiview   = false;
+    mBaseViewIndex = kDefaultBaseViewIndex;
+
+    // not technically necessary, could omit for performance
+    mTarget = Target();
+}
+
+void FramebufferAttachment::attach(const Context *context,
+                                   GLenum type,
+                                   GLenum binding,
+                                   const ImageIndex &textureIndex,
+                                   FramebufferAttachmentObject *resource,
+                                   GLsizei numViews,
+                                   GLuint baseViewIndex,
+                                   bool isMultiview,
+                                   GLsizei samples,
+                                   rx::Serial framebufferSerial)
+{
+    if (resource == nullptr)
+    {
+        detach(context, framebufferSerial);
+        return;
+    }
+
+    mType                   = type;
+    mTarget                 = Target(binding, textureIndex);
+    mNumViews               = numViews;
+    mBaseViewIndex          = baseViewIndex;
+    mIsMultiview            = isMultiview;
+    mRenderToTextureSamples = type == GL_RENDERBUFFER ? kDefaultRenderToTextureSamples : samples;
+    resource->onAttach(context, framebufferSerial);
+
+    if (mResource != nullptr)
+    {
+        mResource->onDetach(context, framebufferSerial);
+    }
+
+    mResource = resource;
+}
+
+GLuint FramebufferAttachment::getRedSize() const
+{
+    return getSize().empty() ? 0 : getFormat().info->redBits;
+}
+
+GLuint FramebufferAttachment::getGreenSize() const
+{
+    return getSize().empty() ? 0 : getFormat().info->greenBits;
+}
+
+GLuint FramebufferAttachment::getBlueSize() const
+{
+    return getSize().empty() ? 0 : getFormat().info->blueBits;
+}
+
+GLuint FramebufferAttachment::getAlphaSize() const
+{
+    return getSize().empty() ? 0 : getFormat().info->alphaBits;
+}
+
+GLuint FramebufferAttachment::getDepthSize() const
+{
+    return getSize().empty() ? 0 : getFormat().info->depthBits;
+}
+
+GLuint FramebufferAttachment::getStencilSize() const
+{
+    return getSize().empty() ? 0 : getFormat().info->stencilBits;
+}
+
+GLenum FramebufferAttachment::getComponentType() const
+{
+    return getFormat().info->componentType;
+}
+
+GLenum FramebufferAttachment::getColorEncoding() const
+{
+    return getFormat().info->colorEncoding;
+}
+
+GLuint FramebufferAttachment::id() const
+{
+    return mResource->getId();
+}
+
+TextureTarget FramebufferAttachment::cubeMapFace() const
+{
+    ASSERT(mType == GL_TEXTURE);
+
+    const auto &index = mTarget.textureIndex();
+    return index.getType() == TextureType::CubeMap ? index.getTarget() : TextureTarget::InvalidEnum;
+}
+
+GLint FramebufferAttachment::mipLevel() const
+{
+    ASSERT(type() == GL_TEXTURE);
+    return mTarget.textureIndex().getLevelIndex();
+}
+
+GLint FramebufferAttachment::layer() const
+{
+    ASSERT(mType == GL_TEXTURE);
+
+    const gl::ImageIndex &index = mTarget.textureIndex();
+    return (index.has3DLayer() ? index.getLayerIndex() : 0);
+}
+
+bool FramebufferAttachment::isLayered() const
+{
+    return mTarget.textureIndex().isLayered();
+}
+
+bool FramebufferAttachment::isMultiview() const
+{
+    return mIsMultiview;
+}
+
+GLint FramebufferAttachment::getBaseViewIndex() const
+{
+    return mBaseViewIndex;
+}
+
+bool FramebufferAttachment::isRenderToTexture() const
+{
+    ASSERT(mRenderToTextureSamples == kDefaultRenderToTextureSamples || mType == GL_TEXTURE);
+
+    if (mType == GL_RENDERBUFFER)
+    {
+        return getRenderbuffer()->getMultisamplingMode() ==
+               MultisamplingMode::MultisampledRenderToTexture;
+    }
+    return mRenderToTextureSamples != kDefaultRenderToTextureSamples;
+}
+
+GLsizei FramebufferAttachment::getRenderToTextureSamples() const
+{
+    ASSERT(mRenderToTextureSamples == kDefaultRenderToTextureSamples || mType == GL_TEXTURE);
+
+    if (mType == GL_RENDERBUFFER)
+    {
+        return getRenderbuffer()->getState().getSamples();
+    }
+    return mRenderToTextureSamples;
+}
+
+Texture *FramebufferAttachment::getTexture() const
+{
+    return rx::GetAs<Texture>(mResource);
+}
+
+Renderbuffer *FramebufferAttachment::getRenderbuffer() const
+{
+    return rx::GetAs<Renderbuffer>(mResource);
+}
+
+const egl::Surface *FramebufferAttachment::getSurface() const
+{
+    return rx::GetAs<egl::Surface>(mResource);
+}
+
+FramebufferAttachmentObject *FramebufferAttachment::getResource() const
+{
+    return mResource;
+}
+
+bool FramebufferAttachment::operator==(const FramebufferAttachment &other) const
+{
+    if (mResource != other.mResource || mType != other.mType || mNumViews != other.mNumViews ||
+        mIsMultiview != other.mIsMultiview || mBaseViewIndex != other.mBaseViewIndex ||
+        mRenderToTextureSamples != other.mRenderToTextureSamples)
+    {
+        return false;
+    }
+
+    if (mType == GL_TEXTURE && getTextureImageIndex() != other.getTextureImageIndex())
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool FramebufferAttachment::operator!=(const FramebufferAttachment &other) const
+{
+    return !(*this == other);
+}
+
+InitState FramebufferAttachment::initState() const
+{
+    return mResource ? mResource->initState(mTarget.binding(), mTarget.textureIndex())
+                     : InitState::Initialized;
+}
+
+angle::Result FramebufferAttachment::initializeContents(const Context *context)
+{
+    ASSERT(mResource);
+    ANGLE_TRY(mResource->initializeContents(context, mTarget.binding(), mTarget.textureIndex()));
+    setInitState(InitState::Initialized);
+    return angle::Result::Continue;
+}
+
+void FramebufferAttachment::setInitState(InitState initState) const
+{
+    ASSERT(mResource);
+    mResource->setInitState(mTarget.binding(), mTarget.textureIndex(), initState);
+}
+
+////// FramebufferAttachmentObject Implementation //////
+
+FramebufferAttachmentObject::FramebufferAttachmentObject() {}
+
+FramebufferAttachmentObject::~FramebufferAttachmentObject() {}
+
+angle::Result FramebufferAttachmentObject::getAttachmentRenderTarget(
+    const Context *context,
+    GLenum binding,
+    const ImageIndex &imageIndex,
+    GLsizei samples,
+    rx::FramebufferAttachmentRenderTarget **rtOut) const
+{
+    return getAttachmentImpl()->getAttachmentRenderTarget(context, binding, imageIndex, samples,
+                                                          rtOut);
+}
+
+angle::Result FramebufferAttachmentObject::initializeContents(const Context *context,
+                                                              GLenum binding,
+                                                              const ImageIndex &imageIndex)
+{
+    ASSERT(context->isRobustResourceInitEnabled());
+
+    // Because gl::Texture cannot support tracking individual layer dirtiness, we only handle
+    // initializing entire mip levels for textures with layers
+    if (imageIndex.usesTex3D() && imageIndex.hasLayer())
+    {
+        // Compute the layer count so we get a correct layer index.
+        const gl::Extents &size = getAttachmentSize(imageIndex);
+
+        ImageIndex fullMipIndex = ImageIndex::MakeFromType(
+            imageIndex.getType(), imageIndex.getLevelIndex(), ImageIndex::kEntireLevel, size.depth);
+        return getAttachmentImpl()->initializeContents(context, binding, fullMipIndex);
+    }
+    else
+    {
+        return getAttachmentImpl()->initializeContents(context, binding, imageIndex);
+    }
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/FramebufferAttachment.h b/gfx/angle/checkout/src/libANGLE/FramebufferAttachment.h
new file mode 100644
index 0000000000..8b4f04ae0b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/FramebufferAttachment.h
@@ -0,0 +1,307 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// FramebufferAttachment.h: Defines the wrapper class gl::FramebufferAttachment, as well as the
+// objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108.
+
+#ifndef LIBANGLE_FRAMEBUFFERATTACHMENT_H_
+#define LIBANGLE_FRAMEBUFFERATTACHMENT_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
+
+namespace egl
+{
+class Surface;
+}
+
+namespace rx
+{
+// An implementation-specific object associated with an attachment.
+
+class FramebufferAttachmentRenderTarget : angle::NonCopyable
+{
+  public:
+    FramebufferAttachmentRenderTarget() {}
+    virtual ~FramebufferAttachmentRenderTarget() {}
+};
+
+class FramebufferAttachmentObjectImpl;
+}  // namespace rx
+
+namespace gl
+{
+class FramebufferAttachmentObject;
+class Renderbuffer;
+class Texture;
+
+// FramebufferAttachment implements a GL framebuffer attachment.
+// Attachments are "light" containers, which store pointers to ref-counted GL objects.
+// We support GL texture (2D/3D/Cube/2D array) and renderbuffer object attachments.
+// Note: Our old naming scheme used the term "Renderbuffer" for both GL renderbuffers and for
+// framebuffer attachments, which confused their usage.
+
+class FramebufferAttachment final
+{
+  public:
+    FramebufferAttachment();
+
+    FramebufferAttachment(const Context *context,
+                          GLenum type,
+                          GLenum binding,
+                          const ImageIndex &textureIndex,
+                          FramebufferAttachmentObject *resource,
+                          rx::Serial framebufferSerial);
+
+    FramebufferAttachment(FramebufferAttachment &&other);
+    FramebufferAttachment &operator=(FramebufferAttachment &&other);
+
+    ~FramebufferAttachment();
+
+    void detach(const Context *context, rx::Serial framebufferSerial);
+    void attach(const Context *context,
+                GLenum type,
+                GLenum binding,
+                const ImageIndex &textureIndex,
+                FramebufferAttachmentObject *resource,
+                GLsizei numViews,
+                GLuint baseViewIndex,
+                bool isMultiview,
+                GLsizei samples,
+                rx::Serial framebufferSerial);
+
+    // Helper methods
+    GLuint getRedSize() const;
+    GLuint getGreenSize() const;
+    GLuint getBlueSize() const;
+    GLuint getAlphaSize() const;
+    GLuint getDepthSize() const;
+    GLuint getStencilSize() const;
+    GLenum getComponentType() const;
+    GLenum getColorEncoding() const;
+
+    bool isTextureWithId(TextureID textureId) const
+    {
+        return mType == GL_TEXTURE && id() == textureId.value;
+    }
+    bool isExternalTexture() const
+    {
+        return mType == GL_TEXTURE && getTextureImageIndex().getType() == gl::TextureType::External;
+    }
+    bool isRenderbufferWithId(GLuint renderbufferId) const
+    {
+        return mType == GL_RENDERBUFFER && id() == renderbufferId;
+    }
+
+    GLenum getBinding() const { return mTarget.binding(); }
+    GLuint id() const;
+
+    // These methods are only legal to call on Texture attachments
+    const ImageIndex &getTextureImageIndex() const;
+    TextureTarget cubeMapFace() const;
+    GLint mipLevel() const;
+    GLint layer() const;
+    bool isLayered() const;
+
+    GLsizei getNumViews() const { return mNumViews; }
+
+    bool isMultiview() const;
+    GLint getBaseViewIndex() const;
+
+    bool isRenderToTexture() const;
+    GLsizei getRenderToTextureSamples() const;
+
+    // The size of the underlying resource the attachment points to. The 'depth' value will
+    // correspond to a 3D texture depth or the layer count of a 2D array texture. For Surfaces and
+    // Renderbuffers, it will always be 1.
+    Extents getSize() const;
+    Format getFormat() const;
+    GLsizei getSamples() const;
+    // This will always return the actual sample count of the attachment even if
+    // render_to_texture extension is active on this FBattachment object.
+    GLsizei getResourceSamples() const;
+    GLenum type() const { return mType; }
+    bool isAttached() const { return mType != GL_NONE; }
+    bool isRenderable(const Context *context) const;
+    bool isYUV() const;
+    bool isCreatedWithAHB() const;
+
+    Renderbuffer *getRenderbuffer() const;
+    Texture *getTexture() const;
+    const egl::Surface *getSurface() const;
+    FramebufferAttachmentObject *getResource() const;
+    InitState initState() const;
+    angle::Result initializeContents(const Context *context);
+    void setInitState(InitState initState) const;
+
+    // "T" must be static_castable from FramebufferAttachmentRenderTarget
+    template <typename T>
+    angle::Result getRenderTarget(const Context *context, GLsizei samples, T **rtOut) const
+    {
+        static_assert(std::is_base_of<rx::FramebufferAttachmentRenderTarget, T>(),
+                      "Invalid RenderTarget class.");
+        return getRenderTargetImpl(
+            context, samples, reinterpret_cast<rx::FramebufferAttachmentRenderTarget **>(rtOut));
+    }
+
+    bool operator==(const FramebufferAttachment &other) const;
+    bool operator!=(const FramebufferAttachment &other) const;
+
+    static const GLsizei kDefaultNumViews;
+    static const GLint kDefaultBaseViewIndex;
+    static const GLint kDefaultRenderToTextureSamples;
+
+  private:
+    angle::Result getRenderTargetImpl(const Context *context,
+                                      GLsizei samples,
+                                      rx::FramebufferAttachmentRenderTarget **rtOut) const;
+
+    // A framebuffer attachment points to one of three types of resources: Renderbuffers,
+    // Textures and egl::Surface. The "Target" struct indicates which part of the
+    // object an attachment references. For the three types:
+    //   - a Renderbuffer has a unique renderable target, and needs no target index
+    //   - a Texture has targets for every image and uses an ImageIndex
+    //   - a Surface has targets for Color and Depth/Stencil, and uses the attachment binding
+    class Target
+    {
+      public:
+        Target();
+        Target(GLenum binding, const ImageIndex &imageIndex);
+        Target(const Target &other);
+        Target &operator=(const Target &other);
+
+        GLenum binding() const { return mBinding; }
+        const ImageIndex &textureIndex() const { return mTextureIndex; }
+
+      private:
+        GLenum mBinding;
+        ImageIndex mTextureIndex;
+    };
+
+    GLenum mType;
+    Target mTarget;
+    FramebufferAttachmentObject *mResource;
+    GLsizei mNumViews;
+    bool mIsMultiview;
+    GLint mBaseViewIndex;
+    // A single-sampled texture can be attached to a framebuffer either as single-sampled or as
+    // multisampled-render-to-texture.  In the latter case, |mRenderToTextureSamples| will contain
+    // the number of samples.  For renderbuffers, the number of samples is inherited from the
+    // renderbuffer itself.
+    //
+    // Note that textures cannot change storage between single and multisample once attached to a
+    // framebuffer.  Renderbuffers instead can, and caching the number of renderbuffer samples here
+    // can lead to stale data.
+    GLsizei mRenderToTextureSamples;
+};
+
+// A base class for objects that FBO Attachments may point to.
+class FramebufferAttachmentObject : public angle::Subject, public angle::ObserverInterface
+{
+  public:
+    FramebufferAttachmentObject();
+    ~FramebufferAttachmentObject() override;
+
+    virtual Extents getAttachmentSize(const ImageIndex &imageIndex) const                  = 0;
+    virtual Format getAttachmentFormat(GLenum binding, const ImageIndex &imageIndex) const = 0;
+    virtual GLsizei getAttachmentSamples(const ImageIndex &imageIndex) const               = 0;
+    virtual bool isRenderable(const Context *context,
+                              GLenum binding,
+                              const ImageIndex &imageIndex) const                          = 0;
+    virtual bool isYUV() const                                                             = 0;
+    virtual bool isCreatedWithAHB() const                                                  = 0;
+    virtual bool hasProtectedContent() const                                               = 0;
+
+    virtual void onAttach(const Context *context, rx::Serial framebufferSerial) = 0;
+    virtual void onDetach(const Context *context, rx::Serial framebufferSerial) = 0;
+    virtual GLuint getId() const                                                = 0;
+
+    // These are used for robust resource initialization.
+    virtual InitState initState(GLenum binding, const ImageIndex &imageIndex) const = 0;
+    virtual void setInitState(GLenum binding,
+                              const ImageIndex &imageIndex,
+                              InitState initState)                                  = 0;
+
+    angle::Result getAttachmentRenderTarget(const Context *context,
+                                            GLenum binding,
+                                            const ImageIndex &imageIndex,
+                                            GLsizei samples,
+                                            rx::FramebufferAttachmentRenderTarget **rtOut) const;
+
+    angle::Result initializeContents(const Context *context,
+                                     GLenum binding,
+                                     const ImageIndex &imageIndex);
+
+  protected:
+    virtual rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const = 0;
+};
+
+inline const ImageIndex &FramebufferAttachment::getTextureImageIndex() const
+{
+    ASSERT(type() == GL_TEXTURE);
+    return mTarget.textureIndex();
+}
+
+inline Extents FramebufferAttachment::getSize() const
+{
+    ASSERT(mResource);
+    return mResource->getAttachmentSize(mTarget.textureIndex());
+}
+
+inline Format FramebufferAttachment::getFormat() const
+{
+    ASSERT(mResource);
+    return mResource->getAttachmentFormat(mTarget.binding(), mTarget.textureIndex());
+}
+
+inline GLsizei FramebufferAttachment::getSamples() const
+{
+    return isRenderToTexture() ? getRenderToTextureSamples() : getResourceSamples();
+}
+
+inline GLsizei FramebufferAttachment::getResourceSamples() const
+{
+    ASSERT(mResource);
+    return mResource->getAttachmentSamples(mTarget.textureIndex());
+}
+
+inline angle::Result FramebufferAttachment::getRenderTargetImpl(
+    const Context *context,
+    GLsizei samples,
+    rx::FramebufferAttachmentRenderTarget **rtOut) const
+{
+    ASSERT(mResource);
+    return mResource->getAttachmentRenderTarget(context, mTarget.binding(), mTarget.textureIndex(),
+                                                samples, rtOut);
+}
+
+inline bool FramebufferAttachment::isRenderable(const Context *context) const
+{
+    ASSERT(mResource);
+    return mResource->isRenderable(context, mTarget.binding(), mTarget.textureIndex());
+}
+
+inline bool FramebufferAttachment::isYUV() const
+{
+    ASSERT(mResource);
+    return mResource->isYUV();
+}
+
+inline bool FramebufferAttachment::isCreatedWithAHB() const
+{
+    ASSERT(mResource);
+    return mResource->isCreatedWithAHB();
+}
+
+}  // namespace gl
+
+#endif  // LIBANGLE_FRAMEBUFFERATTACHMENT_H_
diff --git a/gfx/angle/checkout/src/libANGLE/GLES1Renderer.cpp b/gfx/angle/checkout/src/libANGLE/GLES1Renderer.cpp
new file mode 100644
index 0000000000..4ca3d47189
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/GLES1Renderer.cpp
@@ -0,0 +1,1197 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// GLES1Renderer.cpp: Implements the GLES1Renderer renderer.
+
+#include "libANGLE/GLES1Renderer.h"
+
+#include <string.h>
+#include <iterator>
+#include <sstream>
+#include <vector>
+
+#include "common/hash_utils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Context.inl.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/State.h"
+#include "libANGLE/renderer/ContextImpl.h"
+
+namespace
+{
+#include "libANGLE/GLES1Shaders.inc"
+
+uint32_t GetLogicOpUniform(const gl::FramebufferAttachment *color, gl::LogicalOperation logicOp)
+{
+    const uint32_t red   = color->getRedSize();
+    const uint32_t green = color->getGreenSize();
+    const uint32_t blue  = color->getBlueSize();
+    const uint32_t alpha = color->getAlphaSize();
+
+    ASSERT(red <= 8 && green <= 8 && blue <= 8 && alpha <= 8);
+
+    return red | green << 4 | blue << 8 | alpha << 12 | static_cast<uint32_t>(logicOp) << 16;
+}
+}  // anonymous namespace
+
+namespace gl
+{
+GLES1ShaderState::GLES1ShaderState()  = default;
+GLES1ShaderState::~GLES1ShaderState() = default;
+GLES1ShaderState::GLES1ShaderState(const GLES1ShaderState &other)
+{
+    memcpy(this, &other, sizeof(GLES1ShaderState));
+}
+
+bool operator==(const GLES1ShaderState &a, const GLES1ShaderState &b)
+{
+    return memcmp(&a, &b, sizeof(GLES1ShaderState)) == 0;
+}
+bool operator!=(const GLES1ShaderState &a, const GLES1ShaderState &b)
+{
+    return !(a == b);
+}
+
+size_t GLES1ShaderState::hash() const
+{
+    return angle::ComputeGenericHash(*this);
+}
+
+GLES1Renderer::GLES1Renderer() : mRendererProgramInitialized(false) {}
+
+void GLES1Renderer::onDestroy(Context *context, State *state)
+{
+    if (mRendererProgramInitialized)
+    {
+        (void)state->setProgram(context, 0);
+
+        for (const auto &iter : mUberShaderState)
+        {
+            const GLES1UberShaderState &UberShaderState = iter.second;
+            mShaderPrograms->deleteProgram(context, {UberShaderState.programState.program});
+        }
+        mShaderPrograms->release(context);
+        mShaderPrograms             = nullptr;
+        mRendererProgramInitialized = false;
+    }
+}
+
+GLES1Renderer::~GLES1Renderer() = default;
+
+angle::Result GLES1Renderer::prepareForDraw(PrimitiveMode mode, Context *context, State *glState)
+{
+    GLES1State &gles1State = glState->gles1();
+
+    GLES1ShaderState::BoolTexArray &tex2DEnables   = mShaderState.tex2DEnables;
+    GLES1ShaderState::BoolTexArray &texCubeEnables = mShaderState.texCubeEnables;
+    GLES1ShaderState::IntTexArray &tex2DFormats    = mShaderState.tex2DFormats;
+
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        // GL_OES_cube_map allows only one of TEXTURE_2D / TEXTURE_CUBE_MAP
+        // to be enabled per unit, thankfully. From the extension text:
+        //
+        //  --  Section 3.8.10 "Texture Application"
+        //
+        //      Replace the beginning sentences of the first paragraph (page 138)
+        //      with:
+        //
+        //      "Texturing is enabled or disabled using the generic Enable
+        //      and Disable commands, respectively, with the symbolic constants
+        //      TEXTURE_2D or TEXTURE_CUBE_MAP_OES to enable the two-dimensional or cube
+        //      map texturing respectively.  If the cube map texture and the two-
+        //      dimensional texture are enabled, then cube map texturing is used.  If
+        //      texturing is disabled, a rasterized fragment is passed on unaltered to the
+        //      next stage of the GL (although its texture coordinates may be discarded).
+        //      Otherwise, a texture value is found according to the parameter values of
+        //      the currently bound texture image of the appropriate dimensionality.
+
+        texCubeEnables[i] = gles1State.isTextureTargetEnabled(i, TextureType::CubeMap);
+        tex2DEnables[i] =
+            !texCubeEnables[i] && gles1State.isTextureTargetEnabled(i, TextureType::_2D);
+
+        Texture *curr2DTexture = glState->getSamplerTexture(i, TextureType::_2D);
+        if (curr2DTexture)
+        {
+            tex2DFormats[i] = gl::GetUnsizedFormat(
+                curr2DTexture->getFormat(TextureTarget::_2D, 0).info->internalFormat);
+        }
+
+        Texture *currCubeTexture = glState->getSamplerTexture(i, TextureType::CubeMap);
+
+        // > If texturing is enabled for a texture unit at the time a primitive is rasterized, if
+        // > TEXTURE MIN FILTER is one that requires a mipmap, and if the texture image bound to the
+        // > enabled texture target is not complete, then it is as if texture mapping were disabled
+        // > for that texture unit.
+        if (tex2DEnables[i] && curr2DTexture && IsMipmapFiltered(curr2DTexture->getMinFilter()))
+        {
+            tex2DEnables[i] = curr2DTexture->isMipmapComplete();
+        }
+        if (texCubeEnables[i] && currCubeTexture &&
+            IsMipmapFiltered(currCubeTexture->getMinFilter()))
+        {
+            texCubeEnables[i] = curr2DTexture->isMipmapComplete();
+        }
+    }
+
+    GLES1ShaderState::IntTexArray &texEnvModes          = mShaderState.texEnvModes;
+    GLES1ShaderState::IntTexArray &texCombineRgbs       = mShaderState.texCombineRgbs;
+    GLES1ShaderState::IntTexArray &texCombineAlphas     = mShaderState.texCombineAlphas;
+    GLES1ShaderState::IntTexArray &texCombineSrc0Rgbs   = mShaderState.texCombineSrc0Rgbs;
+    GLES1ShaderState::IntTexArray &texCombineSrc0Alphas = mShaderState.texCombineSrc0Alphas;
+    GLES1ShaderState::IntTexArray &texCombineSrc1Rgbs   = mShaderState.texCombineSrc1Rgbs;
+    GLES1ShaderState::IntTexArray &texCombineSrc1Alphas = mShaderState.texCombineSrc1Alphas;
+    GLES1ShaderState::IntTexArray &texCombineSrc2Rgbs   = mShaderState.texCombineSrc2Rgbs;
+    GLES1ShaderState::IntTexArray &texCombineSrc2Alphas = mShaderState.texCombineSrc2Alphas;
+    GLES1ShaderState::IntTexArray &texCombineOp0Rgbs    = mShaderState.texCombineOp0Rgbs;
+    GLES1ShaderState::IntTexArray &texCombineOp0Alphas  = mShaderState.texCombineOp0Alphas;
+    GLES1ShaderState::IntTexArray &texCombineOp1Rgbs    = mShaderState.texCombineOp1Rgbs;
+    GLES1ShaderState::IntTexArray &texCombineOp1Alphas  = mShaderState.texCombineOp1Alphas;
+    GLES1ShaderState::IntTexArray &texCombineOp2Rgbs    = mShaderState.texCombineOp2Rgbs;
+    GLES1ShaderState::IntTexArray &texCombineOp2Alphas  = mShaderState.texCombineOp2Alphas;
+
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_TEXTURE_ENVIRONMENT))
+    {
+        for (int i = 0; i < kTexUnitCount; i++)
+        {
+            const auto &env         = gles1State.textureEnvironment(i);
+            texEnvModes[i]          = ToGLenum(env.mode);
+            texCombineRgbs[i]       = ToGLenum(env.combineRgb);
+            texCombineAlphas[i]     = ToGLenum(env.combineAlpha);
+            texCombineSrc0Rgbs[i]   = ToGLenum(env.src0Rgb);
+            texCombineSrc0Alphas[i] = ToGLenum(env.src0Alpha);
+            texCombineSrc1Rgbs[i]   = ToGLenum(env.src1Rgb);
+            texCombineSrc1Alphas[i] = ToGLenum(env.src1Alpha);
+            texCombineSrc2Rgbs[i]   = ToGLenum(env.src2Rgb);
+            texCombineSrc2Alphas[i] = ToGLenum(env.src2Alpha);
+            texCombineOp0Rgbs[i]    = ToGLenum(env.op0Rgb);
+            texCombineOp0Alphas[i]  = ToGLenum(env.op0Alpha);
+            texCombineOp1Rgbs[i]    = ToGLenum(env.op1Rgb);
+            texCombineOp1Alphas[i]  = ToGLenum(env.op1Alpha);
+            texCombineOp2Rgbs[i]    = ToGLenum(env.op2Rgb);
+            texCombineOp2Alphas[i]  = ToGLenum(env.op2Alpha);
+        }
+    }
+
+    bool enableClipPlanes                                  = false;
+    GLES1ShaderState::BoolClipPlaneArray &clipPlaneEnables = mShaderState.clipPlaneEnables;
+    for (int i = 0; i < kClipPlaneCount; i++)
+    {
+        clipPlaneEnables[i] = glState->getEnableFeature(GL_CLIP_PLANE0 + i);
+        enableClipPlanes    = enableClipPlanes || clipPlaneEnables[i];
+    }
+
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::ClipPlanes]  = enableClipPlanes;
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::DrawTexture] = mDrawTextureEnabled;
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::PointRasterization] =
+        mode == PrimitiveMode::Points;
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::ShadeModelFlat] =
+        gles1State.mShadeModel == ShadingModel::Flat;
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::AlphaTest] =
+        glState->getEnableFeature(GL_ALPHA_TEST);
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::Lighting] =
+        glState->getEnableFeature(GL_LIGHTING);
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::RescaleNormal] =
+        glState->getEnableFeature(GL_RESCALE_NORMAL);
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::Normalize] =
+        glState->getEnableFeature(GL_NORMALIZE);
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::Fog] = glState->getEnableFeature(GL_FOG);
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::PointSprite] =
+        glState->getEnableFeature(GL_POINT_SPRITE_OES);
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::ColorMaterial] =
+        glState->getEnableFeature(GL_COLOR_MATERIAL);
+
+    // TODO (lfy@google.com): Implement two-sided lighting model (lightModel.twoSided)
+    mShaderState.mGLES1StateEnabled[GLES1StateEnables::LightModelTwoSided] = false;
+
+    GLES1ShaderState::BoolTexArray &pointSpriteCoordReplaces =
+        mShaderState.pointSpriteCoordReplaces;
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        const auto &env             = gles1State.textureEnvironment(i);
+        pointSpriteCoordReplaces[i] = env.pointSpriteCoordReplace;
+    }
+
+    GLES1ShaderState::BoolLightArray &lightEnables = mShaderState.lightEnables;
+    for (int i = 0; i < kLightCount; i++)
+    {
+        const auto &light = gles1State.mLights[i];
+        lightEnables[i]   = light.enabled;
+    }
+
+    mShaderState.alphaTestFunc = gles1State.mAlphaTestFunc;
+    mShaderState.fogMode       = gles1State.fogParameters().mode;
+
+    const bool hasLogicOpANGLE     = context->getExtensions().logicOpANGLE;
+    const bool hasFramebufferFetch = context->getExtensions().shaderFramebufferFetchEXT ||
+                                     context->getExtensions().shaderFramebufferFetchNonCoherentEXT;
+
+    if (!hasLogicOpANGLE && hasFramebufferFetch)
+    {
+        mShaderState.mGLES1StateEnabled[GLES1StateEnables::LogicOpThroughFramebufferFetch] =
+            gles1State.mLogicOpEnabled;
+    }
+
+    // All the states set before this spot affect ubershader creation
+
+    ANGLE_TRY(initializeRendererProgram(context, glState));
+
+    GLES1UberShaderState UberShaderState = getUberShaderState();
+
+    const GLES1ProgramState &programState = UberShaderState.programState;
+    GLES1UniformBuffers &uniformBuffers   = UberShaderState.uniformBuffers;
+
+    Program *programObject = getProgram(programState.program);
+
+    // If anything is dirty in gles1 or the common parts of gles1/2, just redo these parts
+    // completely for now.
+
+    // Feature enables
+
+    // Texture unit enables and format info
+    std::array<Vec4Uniform, kTexUnitCount> texCropRects;
+    Vec4Uniform *cropRectBuffer = texCropRects.data();
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        Texture *curr2DTexture = glState->getSamplerTexture(i, TextureType::_2D);
+        if (curr2DTexture)
+        {
+            const gl::Rectangle &cropRect = curr2DTexture->getCrop();
+
+            GLfloat textureWidth =
+                static_cast<GLfloat>(curr2DTexture->getWidth(TextureTarget::_2D, 0));
+            GLfloat textureHeight =
+                static_cast<GLfloat>(curr2DTexture->getHeight(TextureTarget::_2D, 0));
+
+            if (textureWidth > 0.0f && textureHeight > 0.0f)
+            {
+                cropRectBuffer[i][0] = cropRect.x / textureWidth;
+                cropRectBuffer[i][1] = cropRect.y / textureHeight;
+                cropRectBuffer[i][2] = cropRect.width / textureWidth;
+                cropRectBuffer[i][3] = cropRect.height / textureHeight;
+            }
+        }
+    }
+    setUniform4fv(programObject, programState.drawTextureNormalizedCropRectLoc, kTexUnitCount,
+                  reinterpret_cast<GLfloat *>(cropRectBuffer));
+
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_LOGIC_OP) && hasLogicOpANGLE)
+    {
+        context->setLogicOpEnabled(gles1State.mLogicOpEnabled);
+        context->setLogicOp(gles1State.mLogicOp);
+    }
+    else if (hasFramebufferFetch)
+    {
+        const Framebuffer *drawFramebuffer           = glState->getDrawFramebuffer();
+        const FramebufferAttachment *colorAttachment = drawFramebuffer->getColorAttachment(0);
+
+        if (gles1State.mLogicOpEnabled)
+        {
+            if (gles1State.isDirty(GLES1State::DIRTY_GLES1_LOGIC_OP))
+            {
+                // Set up uniform value for logic op
+                setUniform1ui(programObject, programState.logicOpLoc,
+                              GetLogicOpUniform(colorAttachment, gles1State.mLogicOp));
+            }
+
+            // Issue a framebuffer fetch barrier if non-coherent
+            if (!context->getExtensions().shaderFramebufferFetchEXT)
+            {
+                context->framebufferFetchBarrier();
+            }
+        }
+    }
+
+    // Client state / current vector enables
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_CLIENT_STATE_ENABLE) ||
+        gles1State.isDirty(GLES1State::DIRTY_GLES1_CURRENT_VECTOR))
+    {
+        if (!gles1State.isClientStateEnabled(ClientVertexArrayType::Normal))
+        {
+            const angle::Vector3 normal = gles1State.getCurrentNormal();
+            context->vertexAttrib3f(kNormalAttribIndex, normal.x(), normal.y(), normal.z());
+        }
+
+        if (!gles1State.isClientStateEnabled(ClientVertexArrayType::Color))
+        {
+            const ColorF color = gles1State.getCurrentColor();
+            context->vertexAttrib4f(kColorAttribIndex, color.red, color.green, color.blue,
+                                    color.alpha);
+        }
+
+        if (!gles1State.isClientStateEnabled(ClientVertexArrayType::PointSize))
+        {
+            GLfloat pointSize = gles1State.mPointParameters.pointSize;
+            context->vertexAttrib1f(kPointSizeAttribIndex, pointSize);
+        }
+
+        for (int i = 0; i < kTexUnitCount; i++)
+        {
+            if (!gles1State.mTexCoordArrayEnabled[i])
+            {
+                const TextureCoordF texcoord = gles1State.getCurrentTextureCoords(i);
+                context->vertexAttrib4f(kTextureCoordAttribIndexBase + i, texcoord.s, texcoord.t,
+                                        texcoord.r, texcoord.q);
+            }
+        }
+    }
+
+    // Matrices
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_MATRICES))
+    {
+        angle::Mat4 proj = gles1State.mProjectionMatrices.back();
+        setUniformMatrix4fv(programObject, programState.projMatrixLoc, 1, GL_FALSE, proj.data());
+
+        angle::Mat4 modelview = gles1State.mModelviewMatrices.back();
+        setUniformMatrix4fv(programObject, programState.modelviewMatrixLoc, 1, GL_FALSE,
+                            modelview.data());
+
+        angle::Mat4 modelviewInvTr = modelview.transpose().inverse();
+        setUniformMatrix4fv(programObject, programState.modelviewInvTrLoc, 1, GL_FALSE,
+                            modelviewInvTr.data());
+
+        Mat4Uniform *textureMatrixBuffer = uniformBuffers.textureMatrices.data();
+
+        for (int i = 0; i < kTexUnitCount; i++)
+        {
+            angle::Mat4 textureMatrix = gles1State.mTextureMatrices[i].back();
+            memcpy(textureMatrixBuffer + i, textureMatrix.data(), sizeof(Mat4Uniform));
+        }
+
+        setUniformMatrix4fv(programObject, programState.textureMatrixLoc, kTexUnitCount, GL_FALSE,
+                            reinterpret_cast<float *>(uniformBuffers.textureMatrices.data()));
+    }
+
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_TEXTURE_ENVIRONMENT))
+    {
+        for (int i = 0; i < kTexUnitCount; i++)
+        {
+            const auto &env = gles1State.textureEnvironment(i);
+
+            uniformBuffers.texEnvColors[i][0] = env.color.red;
+            uniformBuffers.texEnvColors[i][1] = env.color.green;
+            uniformBuffers.texEnvColors[i][2] = env.color.blue;
+            uniformBuffers.texEnvColors[i][3] = env.color.alpha;
+
+            uniformBuffers.texEnvRgbScales[i]   = env.rgbScale;
+            uniformBuffers.texEnvAlphaScales[i] = env.alphaScale;
+        }
+
+        setUniform4fv(programObject, programState.textureEnvColorLoc, kTexUnitCount,
+                      reinterpret_cast<float *>(uniformBuffers.texEnvColors.data()));
+        setUniform1fv(programObject, programState.rgbScaleLoc, kTexUnitCount,
+                      uniformBuffers.texEnvRgbScales.data());
+        setUniform1fv(programObject, programState.alphaScaleLoc, kTexUnitCount,
+                      uniformBuffers.texEnvAlphaScales.data());
+    }
+
+    // Alpha test
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_ALPHA_TEST))
+    {
+        setUniform1f(programObject, programState.alphaTestRefLoc, gles1State.mAlphaTestRef);
+    }
+
+    // Shading, materials, and lighting
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_MATERIAL))
+    {
+        const auto &material = gles1State.mMaterial;
+
+        setUniform4fv(programObject, programState.materialAmbientLoc, 1, material.ambient.data());
+        setUniform4fv(programObject, programState.materialDiffuseLoc, 1, material.diffuse.data());
+        setUniform4fv(programObject, programState.materialSpecularLoc, 1, material.specular.data());
+        setUniform4fv(programObject, programState.materialEmissiveLoc, 1, material.emissive.data());
+        setUniform1f(programObject, programState.materialSpecularExponentLoc,
+                     material.specularExponent);
+    }
+
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_LIGHTS))
+    {
+        const auto &lightModel = gles1State.mLightModel;
+
+        setUniform4fv(programObject, programState.lightModelSceneAmbientLoc, 1,
+                      lightModel.color.data());
+
+        for (int i = 0; i < kLightCount; i++)
+        {
+            const auto &light = gles1State.mLights[i];
+            memcpy(uniformBuffers.lightAmbients.data() + i, light.ambient.data(),
+                   sizeof(Vec4Uniform));
+            memcpy(uniformBuffers.lightDiffuses.data() + i, light.diffuse.data(),
+                   sizeof(Vec4Uniform));
+            memcpy(uniformBuffers.lightSpeculars.data() + i, light.specular.data(),
+                   sizeof(Vec4Uniform));
+            memcpy(uniformBuffers.lightPositions.data() + i, light.position.data(),
+                   sizeof(Vec4Uniform));
+            memcpy(uniformBuffers.lightDirections.data() + i, light.direction.data(),
+                   sizeof(Vec3Uniform));
+            uniformBuffers.spotlightExponents[i]    = light.spotlightExponent;
+            uniformBuffers.spotlightCutoffAngles[i] = light.spotlightCutoffAngle;
+            uniformBuffers.attenuationConsts[i]     = light.attenuationConst;
+            uniformBuffers.attenuationLinears[i]    = light.attenuationLinear;
+            uniformBuffers.attenuationQuadratics[i] = light.attenuationQuadratic;
+        }
+
+        setUniform4fv(programObject, programState.lightAmbientsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.lightAmbients.data()));
+        setUniform4fv(programObject, programState.lightDiffusesLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.lightDiffuses.data()));
+        setUniform4fv(programObject, programState.lightSpecularsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.lightSpeculars.data()));
+        setUniform4fv(programObject, programState.lightPositionsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.lightPositions.data()));
+        setUniform3fv(programObject, programState.lightDirectionsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.lightDirections.data()));
+        setUniform1fv(programObject, programState.lightSpotlightExponentsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.spotlightExponents.data()));
+        setUniform1fv(programObject, programState.lightSpotlightCutoffAnglesLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.spotlightCutoffAngles.data()));
+        setUniform1fv(programObject, programState.lightAttenuationConstsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.attenuationConsts.data()));
+        setUniform1fv(programObject, programState.lightAttenuationLinearsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.attenuationLinears.data()));
+        setUniform1fv(programObject, programState.lightAttenuationQuadraticsLoc, kLightCount,
+                      reinterpret_cast<float *>(uniformBuffers.attenuationQuadratics.data()));
+    }
+
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_FOG))
+    {
+        const FogParameters &fog = gles1State.fogParameters();
+        setUniform1f(programObject, programState.fogDensityLoc, fog.density);
+        setUniform1f(programObject, programState.fogStartLoc, fog.start);
+        setUniform1f(programObject, programState.fogEndLoc, fog.end);
+        setUniform4fv(programObject, programState.fogColorLoc, 1, fog.color.data());
+    }
+
+    // Clip planes
+    if (gles1State.isDirty(GLES1State::DIRTY_GLES1_CLIP_PLANES))
+    {
+        for (int i = 0; i < kClipPlaneCount; i++)
+        {
+            gles1State.getClipPlane(
+                i, reinterpret_cast<float *>(uniformBuffers.clipPlanes.data() + i));
+        }
+
+        setUniform4fv(programObject, programState.clipPlanesLoc, kClipPlaneCount,
+                      reinterpret_cast<float *>(uniformBuffers.clipPlanes.data()));
+    }
+
+    // Point rasterization
+    {
+        const PointParameters &pointParams = gles1State.mPointParameters;
+
+        setUniform1f(programObject, programState.pointSizeMinLoc, pointParams.pointSizeMin);
+        setUniform1f(programObject, programState.pointSizeMaxLoc, pointParams.pointSizeMax);
+        setUniform3fv(programObject, programState.pointDistanceAttenuationLoc, 1,
+                      pointParams.pointDistanceAttenuation.data());
+    }
+
+    // Draw texture
+    {
+        setUniform4fv(programObject, programState.drawTextureCoordsLoc, 1, mDrawTextureCoords);
+        setUniform2fv(programObject, programState.drawTextureDimsLoc, 1, mDrawTextureDims);
+    }
+
+    gles1State.clearDirty();
+
+    // None of those are changes in sampler, so there is no need to set the GL_PROGRAM dirty.
+    // Otherwise, put the dirtying here.
+
+    return angle::Result::Continue;
+}
+
+// static
+int GLES1Renderer::VertexArrayIndex(ClientVertexArrayType type, const GLES1State &gles1)
+{
+    switch (type)
+    {
+        case ClientVertexArrayType::Vertex:
+            return kVertexAttribIndex;
+        case ClientVertexArrayType::Normal:
+            return kNormalAttribIndex;
+        case ClientVertexArrayType::Color:
+            return kColorAttribIndex;
+        case ClientVertexArrayType::PointSize:
+            return kPointSizeAttribIndex;
+        case ClientVertexArrayType::TextureCoord:
+            return kTextureCoordAttribIndexBase + gles1.getClientTextureUnit();
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+// static
+ClientVertexArrayType GLES1Renderer::VertexArrayType(int attribIndex)
+{
+    switch (attribIndex)
+    {
+        case kVertexAttribIndex:
+            return ClientVertexArrayType::Vertex;
+        case kNormalAttribIndex:
+            return ClientVertexArrayType::Normal;
+        case kColorAttribIndex:
+            return ClientVertexArrayType::Color;
+        case kPointSizeAttribIndex:
+            return ClientVertexArrayType::PointSize;
+        default:
+            if (attribIndex < kTextureCoordAttribIndexBase + kTexUnitCount)
+            {
+                return ClientVertexArrayType::TextureCoord;
+            }
+            UNREACHABLE();
+            return ClientVertexArrayType::InvalidEnum;
+    }
+}
+
+// static
+int GLES1Renderer::TexCoordArrayIndex(unsigned int unit)
+{
+    return kTextureCoordAttribIndexBase + unit;
+}
+
+void GLES1Renderer::drawTexture(Context *context,
+                                State *glState,
+                                float x,
+                                float y,
+                                float z,
+                                float width,
+                                float height)
+{
+
+    // get viewport
+    const gl::Rectangle &viewport = glState->getViewport();
+
+    // Translate from viewport to NDC for feeding the shader.
+    // Recenter, rescale. (e.g., [0, 0, 1080, 1920] -> [-1, -1, 1, 1])
+    float xNdc = scaleScreenCoordinateToNdc(x, static_cast<GLfloat>(viewport.width));
+    float yNdc = scaleScreenCoordinateToNdc(y, static_cast<GLfloat>(viewport.height));
+    float wNdc = scaleScreenDimensionToNdc(width, static_cast<GLfloat>(viewport.width));
+    float hNdc = scaleScreenDimensionToNdc(height, static_cast<GLfloat>(viewport.height));
+
+    float zNdc = 2.0f * clamp(z, 0.0f, 1.0f) - 1.0f;
+
+    mDrawTextureCoords[0] = xNdc;
+    mDrawTextureCoords[1] = yNdc;
+    mDrawTextureCoords[2] = zNdc;
+
+    mDrawTextureDims[0] = wNdc;
+    mDrawTextureDims[1] = hNdc;
+
+    mDrawTextureEnabled = true;
+
+    AttributesMask prevAttributesMask = glState->gles1().getVertexArraysAttributeMask();
+
+    setAttributesEnabled(context, glState, AttributesMask());
+
+    glState->gles1().setAllDirty();
+
+    context->drawArrays(PrimitiveMode::Triangles, 0, 6);
+
+    setAttributesEnabled(context, glState, prevAttributesMask);
+
+    mDrawTextureEnabled = false;
+}
+
+Shader *GLES1Renderer::getShader(ShaderProgramID handle) const
+{
+    return mShaderPrograms->getShader(handle);
+}
+
+Program *GLES1Renderer::getProgram(ShaderProgramID handle) const
+{
+    return mShaderPrograms->getProgram(handle);
+}
+
+angle::Result GLES1Renderer::compileShader(Context *context,
+                                           ShaderType shaderType,
+                                           const char *src,
+                                           ShaderProgramID *shaderOut)
+{
+    rx::ContextImpl *implementation = context->getImplementation();
+    const Limitations &limitations  = implementation->getNativeLimitations();
+
+    ShaderProgramID shader = mShaderPrograms->createShader(implementation, limitations, shaderType);
+
+    Shader *shaderObject = getShader(shader);
+    ANGLE_CHECK(context, shaderObject, "Missing shader object", GL_INVALID_OPERATION);
+
+    shaderObject->setSource(1, &src, nullptr);
+    shaderObject->compile(context);
+
+    *shaderOut = shader;
+
+    if (!shaderObject->isCompiled(context))
+    {
+        GLint infoLogLength = shaderObject->getInfoLogLength(context);
+        std::vector<char> infoLog(infoLogLength, 0);
+        shaderObject->getInfoLog(context, infoLogLength - 1, nullptr, infoLog.data());
+
+        ERR() << "Internal GLES 1 shader compile failed. Info log: " << infoLog.data();
+        ANGLE_CHECK(context, false, "GLES1Renderer shader compile failed.", GL_INVALID_OPERATION);
+        return angle::Result::Stop;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result GLES1Renderer::linkProgram(Context *context,
+                                         State *glState,
+                                         ShaderProgramID vertexShader,
+                                         ShaderProgramID fragmentShader,
+                                         const angle::HashMap<GLint, std::string> &attribLocs,
+                                         ShaderProgramID *programOut)
+{
+    ShaderProgramID program = mShaderPrograms->createProgram(context->getImplementation());
+
+    Program *programObject = getProgram(program);
+    ANGLE_CHECK(context, programObject, "Missing program object", GL_INVALID_OPERATION);
+
+    *programOut = program;
+
+    programObject->attachShader(getShader(vertexShader));
+    programObject->attachShader(getShader(fragmentShader));
+
+    for (auto it : attribLocs)
+    {
+        GLint index             = it.first;
+        const std::string &name = it.second;
+        programObject->bindAttributeLocation(index, name.c_str());
+    }
+
+    ANGLE_TRY(programObject->link(context));
+    programObject->resolveLink(context);
+
+    ANGLE_TRY(glState->onProgramExecutableChange(context, programObject));
+
+    if (!programObject->isLinked())
+    {
+        GLint infoLogLength = programObject->getExecutable().getInfoLogLength();
+        std::vector<char> infoLog(infoLogLength, 0);
+        programObject->getExecutable().getInfoLog(infoLogLength - 1, nullptr, infoLog.data());
+
+        ERR() << "Internal GLES 1 shader link failed. Info log: " << infoLog.data();
+        ANGLE_CHECK(context, false, "GLES1Renderer program link failed.", GL_INVALID_OPERATION);
+        return angle::Result::Stop;
+    }
+
+    programObject->detachShader(context, getShader(vertexShader));
+    programObject->detachShader(context, getShader(fragmentShader));
+
+    return angle::Result::Continue;
+}
+
+const char *GLES1Renderer::getShaderBool(GLES1StateEnables state)
+{
+    if (mShaderState.mGLES1StateEnabled[state])
+    {
+        return "true";
+    }
+    else
+    {
+        return "false";
+    }
+}
+
+void GLES1Renderer::addShaderDefine(std::stringstream &outStream,
+                                    GLES1StateEnables state,
+                                    const char *enableString)
+{
+    outStream << "\n";
+    outStream << "#define " << enableString << " " << getShaderBool(state);
+}
+
+void GLES1Renderer::addShaderInt(std::stringstream &outStream, const char *name, int value)
+{
+    outStream << "\n";
+    outStream << "const int " << name << " = " << value << ";";
+}
+
+void GLES1Renderer::addShaderIntTexArray(std::stringstream &outStream,
+                                         const char *texString,
+                                         GLES1ShaderState::IntTexArray &texState)
+{
+    outStream << "\n";
+    outStream << "const int " << texString << "[kMaxTexUnits] = int[kMaxTexUnits](";
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        if (i != 0)
+        {
+            outStream << ", ";
+        }
+        outStream << texState[i];
+    }
+    outStream << ");";
+}
+
+void GLES1Renderer::addShaderBoolTexArray(std::stringstream &outStream,
+                                          const char *name,
+                                          GLES1ShaderState::BoolTexArray &value)
+{
+    outStream << std::boolalpha;
+    outStream << "\n";
+    outStream << "bool " << name << "[kMaxTexUnits] = bool[kMaxTexUnits](";
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        if (i != 0)
+        {
+            outStream << ", ";
+        }
+        outStream << value[i];
+    }
+    outStream << ");";
+}
+
+void GLES1Renderer::addShaderBoolLightArray(std::stringstream &outStream,
+                                            const char *name,
+                                            GLES1ShaderState::BoolLightArray &value)
+{
+    outStream << std::boolalpha;
+    outStream << "\n";
+    outStream << "bool " << name << "[kMaxLights] = bool[kMaxLights](";
+    for (int i = 0; i < kLightCount; i++)
+    {
+        if (i != 0)
+        {
+            outStream << ", ";
+        }
+        outStream << value[i];
+    }
+    outStream << ");";
+}
+
+void GLES1Renderer::addShaderBoolClipPlaneArray(std::stringstream &outStream,
+                                                const char *name,
+                                                GLES1ShaderState::BoolClipPlaneArray &value)
+{
+    outStream << std::boolalpha;
+    outStream << "\n";
+    outStream << "bool " << name << "[kMaxClipPlanes] = bool[kMaxClipPlanes](";
+    for (int i = 0; i < kClipPlaneCount; i++)
+    {
+        if (i != 0)
+        {
+            outStream << ", ";
+        }
+        outStream << value[i];
+    }
+    outStream << ");";
+}
+
+void GLES1Renderer::addVertexShaderDefs(std::stringstream &outStream)
+{
+    addShaderDefine(outStream, GLES1StateEnables::Lighting, "enable_lighting");
+    addShaderDefine(outStream, GLES1StateEnables::ColorMaterial, "enable_color_material");
+    addShaderDefine(outStream, GLES1StateEnables::DrawTexture, "enable_draw_texture");
+    addShaderDefine(outStream, GLES1StateEnables::PointRasterization, "point_rasterization");
+    addShaderDefine(outStream, GLES1StateEnables::RescaleNormal, "enable_rescale_normal");
+    addShaderDefine(outStream, GLES1StateEnables::Normalize, "enable_normalize");
+    addShaderDefine(outStream, GLES1StateEnables::LightModelTwoSided, "light_model_two_sided");
+
+    // bool light_enables[kMaxLights] = bool[kMaxLights](...);
+    addShaderBoolLightArray(outStream, "light_enables", mShaderState.lightEnables);
+}
+
+void GLES1Renderer::addFragmentShaderDefs(std::stringstream &outStream)
+{
+    addShaderDefine(outStream, GLES1StateEnables::Fog, "enable_fog");
+    addShaderDefine(outStream, GLES1StateEnables::ClipPlanes, "enable_clip_planes");
+    addShaderDefine(outStream, GLES1StateEnables::DrawTexture, "enable_draw_texture");
+    addShaderDefine(outStream, GLES1StateEnables::PointRasterization, "point_rasterization");
+    addShaderDefine(outStream, GLES1StateEnables::PointSprite, "point_sprite_enabled");
+    addShaderDefine(outStream, GLES1StateEnables::AlphaTest, "enable_alpha_test");
+    addShaderDefine(outStream, GLES1StateEnables::ShadeModelFlat, "shade_model_flat");
+
+    // bool enable_texture_2d[kMaxTexUnits] = bool[kMaxTexUnits](...);
+    addShaderBoolTexArray(outStream, "enable_texture_2d", mShaderState.tex2DEnables);
+
+    // bool enable_texture_cube_map[kMaxTexUnits] = bool[kMaxTexUnits](...);
+    addShaderBoolTexArray(outStream, "enable_texture_cube_map", mShaderState.texCubeEnables);
+
+    // int texture_format[kMaxTexUnits] = int[kMaxTexUnits](...);
+    addShaderIntTexArray(outStream, "texture_format", mShaderState.tex2DFormats);
+
+    // bool point_sprite_coord_replace[kMaxTexUnits] = bool[kMaxTexUnits](...);
+    addShaderBoolTexArray(outStream, "point_sprite_coord_replace",
+                          mShaderState.pointSpriteCoordReplaces);
+
+    // bool clip_plane_enables[kMaxClipPlanes] = bool[kMaxClipPlanes](...);
+    addShaderBoolClipPlaneArray(outStream, "clip_plane_enables", mShaderState.clipPlaneEnables);
+
+    // int texture_format[kMaxTexUnits] = int[kMaxTexUnits](...);
+    addShaderIntTexArray(outStream, "texture_env_mode", mShaderState.texEnvModes);
+
+    // int combine_rgb[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "combine_rgb", mShaderState.texCombineRgbs);
+
+    // int combine_alpha[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "combine_alpha", mShaderState.texCombineAlphas);
+
+    // int src0_rgb[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "src0_rgb", mShaderState.texCombineSrc0Rgbs);
+
+    // int src0_alpha[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "src0_alpha", mShaderState.texCombineSrc0Alphas);
+
+    // int src1_rgb[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "src1_rgb", mShaderState.texCombineSrc1Rgbs);
+
+    // int src1_alpha[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "src1_alpha", mShaderState.texCombineSrc1Alphas);
+
+    // int src2_rgb[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "src2_rgb", mShaderState.texCombineSrc2Rgbs);
+
+    // int src2_alpha[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "src2_alpha", mShaderState.texCombineSrc2Alphas);
+
+    // int op0_rgb[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "op0_rgb", mShaderState.texCombineOp0Rgbs);
+
+    // int op0_alpha[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "op0_alpha", mShaderState.texCombineOp0Alphas);
+
+    // int op1_rgb[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "op1_rgb", mShaderState.texCombineOp1Rgbs);
+
+    // int op1_alpha[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "op1_alpha", mShaderState.texCombineOp1Alphas);
+
+    // int op2_rgb[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "op2_rgb", mShaderState.texCombineOp2Rgbs);
+
+    // int op2_alpha[kMaxTexUnits];
+    addShaderIntTexArray(outStream, "op2_alpha", mShaderState.texCombineOp2Alphas);
+
+    // int alpha_func;
+    addShaderInt(outStream, "alpha_func", ToGLenum(mShaderState.alphaTestFunc));
+
+    // int fog_mode;
+    addShaderInt(outStream, "fog_mode", ToGLenum(mShaderState.fogMode));
+}
+
+angle::Result GLES1Renderer::initializeRendererProgram(Context *context, State *glState)
+{
+    // See if we have the shader for this combination of states
+    if (mUberShaderState.find(mShaderState) != mUberShaderState.end())
+    {
+        Program *programObject = getProgram(getUberShaderState().programState.program);
+
+        // If this is different than the current program, we need to sync everything
+        // TODO: This could be optimized to only dirty state that differs between the two programs
+        if (glState->getProgram()->id() != programObject->id())
+        {
+            glState->gles1().setAllDirty();
+        }
+
+        ANGLE_TRY(glState->setProgram(context, programObject));
+        return angle::Result::Continue;
+    }
+
+    if (!mRendererProgramInitialized)
+    {
+        mShaderPrograms = new ShaderProgramManager();
+    }
+
+    // If we get here, we don't have a shader for this state, need to create it
+    GLES1ProgramState &programState = mUberShaderState[mShaderState].programState;
+
+    ShaderProgramID vertexShader;
+    ShaderProgramID fragmentShader;
+
+    std::stringstream GLES1DrawVShaderStateDefs;
+    addVertexShaderDefs(GLES1DrawVShaderStateDefs);
+
+    std::stringstream vertexStream;
+    vertexStream << kGLES1DrawVShaderHeader;
+    vertexStream << GLES1DrawVShaderStateDefs.str();
+    vertexStream << kGLES1DrawVShader;
+
+    ANGLE_TRY(
+        compileShader(context, ShaderType::Vertex, vertexStream.str().c_str(), &vertexShader));
+
+    std::stringstream GLES1DrawFShaderStateDefs;
+    addFragmentShaderDefs(GLES1DrawFShaderStateDefs);
+
+    std::stringstream fragmentStream;
+    fragmentStream << kGLES1DrawFShaderVersion;
+    if (mShaderState.mGLES1StateEnabled[GLES1StateEnables::LogicOpThroughFramebufferFetch])
+    {
+        if (context->getExtensions().shaderFramebufferFetchEXT)
+        {
+            fragmentStream << "#extension GL_EXT_shader_framebuffer_fetch : require\n";
+        }
+        else
+        {
+            fragmentStream << "#extension GL_EXT_shader_framebuffer_fetch_non_coherent : require\n";
+        }
+    }
+    fragmentStream << kGLES1DrawFShaderHeader;
+    fragmentStream << GLES1DrawFShaderStateDefs.str();
+    fragmentStream << kGLES1DrawFShaderUniformDefs;
+    if (mShaderState.mGLES1StateEnabled[GLES1StateEnables::LogicOpThroughFramebufferFetch])
+    {
+        if (context->getExtensions().shaderFramebufferFetchEXT)
+        {
+            fragmentStream << kGLES1DrawFShaderFramebufferFetchOutputDef;
+        }
+        else
+        {
+            fragmentStream << kGLES1DrawFShaderFramebufferFetchNonCoherentOutputDef;
+        }
+        fragmentStream << kGLES1DrawFShaderLogicOpFramebufferFetchEnabled;
+    }
+    else
+    {
+        fragmentStream << kGLES1DrawFShaderOutputDef;
+        fragmentStream << kGLES1DrawFShaderLogicOpFramebufferFetchDisabled;
+    }
+    fragmentStream << kGLES1DrawFShaderFunctions;
+    fragmentStream << kGLES1DrawFShaderMultitexturing;
+    fragmentStream << kGLES1DrawFShaderMain;
+
+    ANGLE_TRY(compileShader(context, ShaderType::Fragment, fragmentStream.str().c_str(),
+                            &fragmentShader));
+
+    angle::HashMap<GLint, std::string> attribLocs;
+
+    attribLocs[(GLint)kVertexAttribIndex]    = "pos";
+    attribLocs[(GLint)kNormalAttribIndex]    = "normal";
+    attribLocs[(GLint)kColorAttribIndex]     = "color";
+    attribLocs[(GLint)kPointSizeAttribIndex] = "pointsize";
+
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        std::stringstream ss;
+        ss << "texcoord" << i;
+        attribLocs[kTextureCoordAttribIndexBase + i] = ss.str();
+    }
+
+    ANGLE_TRY(linkProgram(context, glState, vertexShader, fragmentShader, attribLocs,
+                          &programState.program));
+
+    mShaderPrograms->deleteShader(context, vertexShader);
+    mShaderPrograms->deleteShader(context, fragmentShader);
+
+    Program *programObject = getProgram(programState.program);
+
+    programState.projMatrixLoc      = programObject->getUniformLocation("projection");
+    programState.modelviewMatrixLoc = programObject->getUniformLocation("modelview");
+    programState.textureMatrixLoc   = programObject->getUniformLocation("texture_matrix");
+    programState.modelviewInvTrLoc  = programObject->getUniformLocation("modelview_invtr");
+
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        std::stringstream ss2d;
+        std::stringstream sscube;
+
+        ss2d << "tex_sampler" << i;
+        sscube << "tex_cube_sampler" << i;
+
+        programState.tex2DSamplerLocs[i] = programObject->getUniformLocation(ss2d.str().c_str());
+        programState.texCubeSamplerLocs[i] =
+            programObject->getUniformLocation(sscube.str().c_str());
+    }
+
+    programState.textureEnvColorLoc = programObject->getUniformLocation("texture_env_color");
+    programState.rgbScaleLoc        = programObject->getUniformLocation("texture_env_rgb_scale");
+    programState.alphaScaleLoc      = programObject->getUniformLocation("texture_env_alpha_scale");
+
+    programState.alphaTestRefLoc = programObject->getUniformLocation("alpha_test_ref");
+
+    programState.materialAmbientLoc  = programObject->getUniformLocation("material_ambient");
+    programState.materialDiffuseLoc  = programObject->getUniformLocation("material_diffuse");
+    programState.materialSpecularLoc = programObject->getUniformLocation("material_specular");
+    programState.materialEmissiveLoc = programObject->getUniformLocation("material_emissive");
+    programState.materialSpecularExponentLoc =
+        programObject->getUniformLocation("material_specular_exponent");
+
+    programState.lightModelSceneAmbientLoc =
+        programObject->getUniformLocation("light_model_scene_ambient");
+
+    programState.lightAmbientsLoc   = programObject->getUniformLocation("light_ambients");
+    programState.lightDiffusesLoc   = programObject->getUniformLocation("light_diffuses");
+    programState.lightSpecularsLoc  = programObject->getUniformLocation("light_speculars");
+    programState.lightPositionsLoc  = programObject->getUniformLocation("light_positions");
+    programState.lightDirectionsLoc = programObject->getUniformLocation("light_directions");
+    programState.lightSpotlightExponentsLoc =
+        programObject->getUniformLocation("light_spotlight_exponents");
+    programState.lightSpotlightCutoffAnglesLoc =
+        programObject->getUniformLocation("light_spotlight_cutoff_angles");
+    programState.lightAttenuationConstsLoc =
+        programObject->getUniformLocation("light_attenuation_consts");
+    programState.lightAttenuationLinearsLoc =
+        programObject->getUniformLocation("light_attenuation_linears");
+    programState.lightAttenuationQuadraticsLoc =
+        programObject->getUniformLocation("light_attenuation_quadratics");
+
+    programState.fogDensityLoc = programObject->getUniformLocation("fog_density");
+    programState.fogStartLoc   = programObject->getUniformLocation("fog_start");
+    programState.fogEndLoc     = programObject->getUniformLocation("fog_end");
+    programState.fogColorLoc   = programObject->getUniformLocation("fog_color");
+
+    programState.clipPlanesLoc = programObject->getUniformLocation("clip_planes");
+
+    programState.logicOpLoc = programObject->getUniformLocation("logic_op");
+
+    programState.pointSizeMinLoc = programObject->getUniformLocation("point_size_min");
+    programState.pointSizeMaxLoc = programObject->getUniformLocation("point_size_max");
+    programState.pointDistanceAttenuationLoc =
+        programObject->getUniformLocation("point_distance_attenuation");
+
+    programState.drawTextureCoordsLoc = programObject->getUniformLocation("draw_texture_coords");
+    programState.drawTextureDimsLoc   = programObject->getUniformLocation("draw_texture_dims");
+    programState.drawTextureNormalizedCropRectLoc =
+        programObject->getUniformLocation("draw_texture_normalized_crop_rect");
+
+    ANGLE_TRY(glState->setProgram(context, programObject));
+
+    for (int i = 0; i < kTexUnitCount; i++)
+    {
+        setUniform1i(context, programObject, programState.tex2DSamplerLocs[i], i);
+        setUniform1i(context, programObject, programState.texCubeSamplerLocs[i], i + kTexUnitCount);
+    }
+    glState->setObjectDirty(GL_PROGRAM);
+
+    // We just created a new program, we need to sync everything
+    glState->gles1().setAllDirty();
+
+    mRendererProgramInitialized = true;
+    return angle::Result::Continue;
+}
+
+void GLES1Renderer::setUniform1i(Context *context,
+                                 Program *programObject,
+                                 UniformLocation location,
+                                 GLint value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform1iv(context, location, 1, &value);
+}
+
+void GLES1Renderer::setUniform1ui(Program *programObject, UniformLocation location, GLuint value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform1uiv(location, 1, &value);
+}
+
+void GLES1Renderer::setUniform1iv(Context *context,
+                                  Program *programObject,
+                                  UniformLocation location,
+                                  GLint count,
+                                  const GLint *value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform1iv(context, location, count, value);
+}
+
+void GLES1Renderer::setUniformMatrix4fv(Program *programObject,
+                                        UniformLocation location,
+                                        GLint count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniformMatrix4fv(location, count, transpose, value);
+}
+
+void GLES1Renderer::setUniform4fv(Program *programObject,
+                                  UniformLocation location,
+                                  GLint count,
+                                  const GLfloat *value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform4fv(location, count, value);
+}
+
+void GLES1Renderer::setUniform3fv(Program *programObject,
+                                  UniformLocation location,
+                                  GLint count,
+                                  const GLfloat *value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform3fv(location, count, value);
+}
+
+void GLES1Renderer::setUniform2fv(Program *programObject,
+                                  UniformLocation location,
+                                  GLint count,
+                                  const GLfloat *value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform2fv(location, count, value);
+}
+
+void GLES1Renderer::setUniform1f(Program *programObject, UniformLocation location, GLfloat value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform1fv(location, 1, &value);
+}
+
+void GLES1Renderer::setUniform1fv(Program *programObject,
+                                  UniformLocation location,
+                                  GLint count,
+                                  const GLfloat *value)
+{
+    if (location.value == -1)
+        return;
+    programObject->setUniform1fv(location, count, value);
+}
+
+void GLES1Renderer::setAttributesEnabled(Context *context, State *glState, AttributesMask mask)
+{
+    GLES1State &gles1 = glState->gles1();
+
+    ClientVertexArrayType nonTexcoordArrays[] = {
+        ClientVertexArrayType::Vertex,
+        ClientVertexArrayType::Normal,
+        ClientVertexArrayType::Color,
+        ClientVertexArrayType::PointSize,
+    };
+
+    for (const ClientVertexArrayType attrib : nonTexcoordArrays)
+    {
+        int index = VertexArrayIndex(attrib, glState->gles1());
+
+        if (mask.test(index))
+        {
+            gles1.setClientStateEnabled(attrib, true);
+            context->enableVertexAttribArray(index);
+        }
+        else
+        {
+            gles1.setClientStateEnabled(attrib, false);
+            context->disableVertexAttribArray(index);
+        }
+    }
+
+    for (unsigned int i = 0; i < kTexUnitCount; i++)
+    {
+        int index = TexCoordArrayIndex(i);
+
+        if (mask.test(index))
+        {
+            gles1.setTexCoordArrayEnabled(i, true);
+            context->enableVertexAttribArray(index);
+        }
+        else
+        {
+            gles1.setTexCoordArrayEnabled(i, false);
+            context->disableVertexAttribArray(index);
+        }
+    }
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/GLES1Renderer.h b/gfx/angle/checkout/src/libANGLE/GLES1Renderer.h
new file mode 100644
index 0000000000..5694b79752
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/GLES1Renderer.h
@@ -0,0 +1,340 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// GLES1Renderer.h: Defines GLES1 emulation rendering operations on top of a GLES3
+// context. Used by Context.h.
+
+#ifndef LIBANGLE_GLES1_RENDERER_H_
+#define LIBANGLE_GLES1_RENDERER_H_
+
+#include "GLES1State.h"
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/angletypes.h"
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+namespace gl
+{
+class Context;
+class GLES1State;
+class Program;
+class State;
+class Shader;
+class ShaderProgramManager;
+
+enum class GLES1StateEnables : uint64_t
+{
+    Lighting                       = 0,
+    Fog                            = 1,
+    ClipPlanes                     = 2,
+    DrawTexture                    = 3,
+    PointRasterization             = 4,
+    PointSprite                    = 5,
+    RescaleNormal                  = 6,
+    Normalize                      = 7,
+    AlphaTest                      = 8,
+    ShadeModelFlat                 = 9,
+    ColorMaterial                  = 10,
+    LightModelTwoSided             = 11,
+    LogicOpThroughFramebufferFetch = 12,
+
+    InvalidEnum = 13,
+    EnumCount   = 13,
+};
+
+constexpr int kClipPlaneCount = 6;
+constexpr int kTexUnitCount   = 4;
+constexpr int kLightCount     = 8;
+
+using GLES1StateEnabledBitSet = angle::PackedEnumBitSet<GLES1StateEnables, uint64_t>;
+
+struct GLES1ShaderState
+{
+    GLES1ShaderState();
+    ~GLES1ShaderState();
+    GLES1ShaderState(const GLES1ShaderState &other);
+
+    size_t hash() const;
+
+    GLES1StateEnabledBitSet mGLES1StateEnabled;
+
+    using BoolLightArray     = bool[kLightCount];
+    using BoolTexArray       = bool[kTexUnitCount];
+    using BoolClipPlaneArray = bool[kClipPlaneCount];
+    using IntTexArray        = int[kTexUnitCount];
+
+    BoolTexArray tex2DEnables   = {false, false, false, false};
+    BoolTexArray texCubeEnables = {false, false, false, false};
+
+    IntTexArray tex2DFormats = {GL_RGBA, GL_RGBA, GL_RGBA, GL_RGBA};
+
+    IntTexArray texEnvModes          = {};
+    IntTexArray texCombineRgbs       = {};
+    IntTexArray texCombineAlphas     = {};
+    IntTexArray texCombineSrc0Rgbs   = {};
+    IntTexArray texCombineSrc0Alphas = {};
+    IntTexArray texCombineSrc1Rgbs   = {};
+    IntTexArray texCombineSrc1Alphas = {};
+    IntTexArray texCombineSrc2Rgbs   = {};
+    IntTexArray texCombineSrc2Alphas = {};
+    IntTexArray texCombineOp0Rgbs    = {};
+    IntTexArray texCombineOp0Alphas  = {};
+    IntTexArray texCombineOp1Rgbs    = {};
+    IntTexArray texCombineOp1Alphas  = {};
+    IntTexArray texCombineOp2Rgbs    = {};
+    IntTexArray texCombineOp2Alphas  = {};
+
+    BoolTexArray pointSpriteCoordReplaces = {};
+
+    BoolLightArray lightEnables = {};
+
+    BoolClipPlaneArray clipPlaneEnables = {};
+
+    AlphaTestFunc alphaTestFunc = {};
+
+    FogMode fogMode = {};
+};
+
+bool operator==(const GLES1ShaderState &a, const GLES1ShaderState &b);
+bool operator!=(const GLES1ShaderState &a, const GLES1ShaderState &b);
+
+}  // namespace gl
+
+namespace std
+{
+template <>
+struct hash<gl::GLES1ShaderState>
+{
+    size_t operator()(const gl::GLES1ShaderState &key) const { return key.hash(); }
+};
+}  // namespace std
+
+namespace gl
+{
+
+class GLES1Renderer final : angle::NonCopyable
+{
+  public:
+    GLES1Renderer();
+    ~GLES1Renderer();
+
+    void onDestroy(Context *context, State *state);
+
+    angle::Result prepareForDraw(PrimitiveMode mode, Context *context, State *glState);
+
+    static int VertexArrayIndex(ClientVertexArrayType type, const GLES1State &gles1);
+    static ClientVertexArrayType VertexArrayType(int attribIndex);
+    static int TexCoordArrayIndex(unsigned int unit);
+
+    void drawTexture(Context *context,
+                     State *glState,
+                     float x,
+                     float y,
+                     float z,
+                     float width,
+                     float height);
+
+  private:
+    using Mat4Uniform = float[16];
+    using Vec4Uniform = float[4];
+    using Vec3Uniform = float[3];
+
+    Shader *getShader(ShaderProgramID handle) const;
+    Program *getProgram(ShaderProgramID handle) const;
+
+    angle::Result compileShader(Context *context,
+                                ShaderType shaderType,
+                                const char *src,
+                                ShaderProgramID *shaderOut);
+    angle::Result linkProgram(Context *context,
+                              State *glState,
+                              ShaderProgramID vshader,
+                              ShaderProgramID fshader,
+                              const angle::HashMap<GLint, std::string> &attribLocs,
+                              ShaderProgramID *programOut);
+    angle::Result initializeRendererProgram(Context *context, State *glState);
+
+    void setUniform1i(Context *context,
+                      Program *programObject,
+                      UniformLocation location,
+                      GLint value);
+    void setUniform1ui(Program *programObject, UniformLocation location, GLuint value);
+    void setUniform1iv(Context *context,
+                       Program *programObject,
+                       UniformLocation location,
+                       GLint count,
+                       const GLint *value);
+    void setUniformMatrix4fv(Program *programObject,
+                             UniformLocation location,
+                             GLint count,
+                             GLboolean transpose,
+                             const GLfloat *value);
+    void setUniform4fv(Program *programObject,
+                       UniformLocation location,
+                       GLint count,
+                       const GLfloat *value);
+    void setUniform3fv(Program *programObject,
+                       UniformLocation location,
+                       GLint count,
+                       const GLfloat *value);
+    void setUniform2fv(Program *programObject,
+                       UniformLocation location,
+                       GLint count,
+                       const GLfloat *value);
+    void setUniform1f(Program *programObject, UniformLocation location, GLfloat value);
+    void setUniform1fv(Program *programObject,
+                       UniformLocation location,
+                       GLint count,
+                       const GLfloat *value);
+
+    void setAttributesEnabled(Context *context, State *glState, AttributesMask mask);
+
+    static constexpr int kVertexAttribIndex           = 0;
+    static constexpr int kNormalAttribIndex           = 1;
+    static constexpr int kColorAttribIndex            = 2;
+    static constexpr int kPointSizeAttribIndex        = 3;
+    static constexpr int kTextureCoordAttribIndexBase = 4;
+
+    bool mRendererProgramInitialized;
+    ShaderProgramManager *mShaderPrograms;
+
+    GLES1ShaderState mShaderState = {};
+
+    const char *getShaderBool(GLES1StateEnables state);
+    void addShaderDefine(std::stringstream &outStream,
+                         GLES1StateEnables state,
+                         const char *enableString);
+    void addShaderInt(std::stringstream &outStream, const char *name, int value);
+    void addShaderIntTexArray(std::stringstream &outStream,
+                              const char *texString,
+                              GLES1ShaderState::IntTexArray &texState);
+    void addShaderBoolTexArray(std::stringstream &outStream,
+                               const char *texString,
+                               GLES1ShaderState::BoolTexArray &texState);
+    void addShaderBoolLightArray(std::stringstream &outStream,
+                                 const char *name,
+                                 GLES1ShaderState::BoolLightArray &value);
+    void addShaderBoolClipPlaneArray(std::stringstream &outStream,
+                                     const char *name,
+                                     GLES1ShaderState::BoolClipPlaneArray &value);
+    void addVertexShaderDefs(std::stringstream &outStream);
+    void addFragmentShaderDefs(std::stringstream &outStream);
+
+    struct GLES1ProgramState
+    {
+        ShaderProgramID program;
+
+        UniformLocation projMatrixLoc;
+        UniformLocation modelviewMatrixLoc;
+        UniformLocation textureMatrixLoc;
+        UniformLocation modelviewInvTrLoc;
+
+        // Texturing
+        std::array<UniformLocation, kTexUnitCount> tex2DSamplerLocs;
+        std::array<UniformLocation, kTexUnitCount> texCubeSamplerLocs;
+
+        UniformLocation textureEnvColorLoc;
+        UniformLocation rgbScaleLoc;
+        UniformLocation alphaScaleLoc;
+
+        // Alpha test
+        UniformLocation alphaTestRefLoc;
+
+        // Shading, materials, and lighting
+        UniformLocation materialAmbientLoc;
+        UniformLocation materialDiffuseLoc;
+        UniformLocation materialSpecularLoc;
+        UniformLocation materialEmissiveLoc;
+        UniformLocation materialSpecularExponentLoc;
+
+        UniformLocation lightModelSceneAmbientLoc;
+
+        UniformLocation lightAmbientsLoc;
+        UniformLocation lightDiffusesLoc;
+        UniformLocation lightSpecularsLoc;
+        UniformLocation lightPositionsLoc;
+        UniformLocation lightDirectionsLoc;
+        UniformLocation lightSpotlightExponentsLoc;
+        UniformLocation lightSpotlightCutoffAnglesLoc;
+        UniformLocation lightAttenuationConstsLoc;
+        UniformLocation lightAttenuationLinearsLoc;
+        UniformLocation lightAttenuationQuadraticsLoc;
+
+        // Fog
+        UniformLocation fogDensityLoc;
+        UniformLocation fogStartLoc;
+        UniformLocation fogEndLoc;
+        UniformLocation fogColorLoc;
+
+        // Clip planes
+        UniformLocation clipPlanesLoc;
+
+        // Logic op
+        UniformLocation logicOpLoc;
+
+        // Point rasterization
+        UniformLocation pointSizeMinLoc;
+        UniformLocation pointSizeMaxLoc;
+        UniformLocation pointDistanceAttenuationLoc;
+
+        // Draw texture
+        UniformLocation drawTextureCoordsLoc;
+        UniformLocation drawTextureDimsLoc;
+        UniformLocation drawTextureNormalizedCropRectLoc;
+    };
+
+    struct GLES1UniformBuffers
+    {
+        std::array<Mat4Uniform, kTexUnitCount> textureMatrices;
+
+        std::array<Vec4Uniform, kTexUnitCount> texEnvColors;
+        std::array<GLfloat, kTexUnitCount> texEnvRgbScales;
+        std::array<GLfloat, kTexUnitCount> texEnvAlphaScales;
+
+        // Lighting
+        std::array<Vec4Uniform, kLightCount> lightAmbients;
+        std::array<Vec4Uniform, kLightCount> lightDiffuses;
+        std::array<Vec4Uniform, kLightCount> lightSpeculars;
+        std::array<Vec4Uniform, kLightCount> lightPositions;
+        std::array<Vec3Uniform, kLightCount> lightDirections;
+        std::array<GLfloat, kLightCount> spotlightExponents;
+        std::array<GLfloat, kLightCount> spotlightCutoffAngles;
+        std::array<GLfloat, kLightCount> attenuationConsts;
+        std::array<GLfloat, kLightCount> attenuationLinears;
+        std::array<GLfloat, kLightCount> attenuationQuadratics;
+
+        // Clip planes
+        std::array<Vec4Uniform, kClipPlaneCount> clipPlanes;
+
+        // Texture crop rectangles
+        std::array<Vec4Uniform, kTexUnitCount> texCropRects;
+    };
+
+    struct GLES1UberShaderState
+    {
+        GLES1UniformBuffers uniformBuffers;
+        GLES1ProgramState programState;
+    };
+
+    GLES1UberShaderState &getUberShaderState()
+    {
+        ASSERT(mUberShaderState.find(mShaderState) != mUberShaderState.end());
+        return mUberShaderState[mShaderState];
+    }
+
+    angle::HashMap<GLES1ShaderState, GLES1UberShaderState> mUberShaderState;
+
+    bool mDrawTextureEnabled      = false;
+    GLfloat mDrawTextureCoords[4] = {0.0f, 0.0f, 0.0f, 0.0f};
+    GLfloat mDrawTextureDims[2]   = {0.0f, 0.0f};
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_GLES1_RENDERER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/GLES1Shaders.inc b/gfx/angle/checkout/src/libANGLE/GLES1Shaders.inc
new file mode 100644
index 0000000000..1c1ff51927
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/GLES1Shaders.inc
@@ -0,0 +1,1218 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// GLES1Shaders.inc: Defines GLES1 emulation shader.
+
+// The following variables are added in GLES1Renderer::initializeRendererProgram
+// bool clip_plane_enables
+// bool enable_alpha_test
+// bool enable_clip_planes
+// bool enable_color_material
+// bool enable_draw_texture
+// bool enable_fog
+// bool enable_lighting
+// bool enable_normalize
+// bool enable_rescale_normal
+// bool enable_texture_2d[kMaxTexUnits]
+// bool enable_texture_cube_map[kMaxTexUnits]
+// bool light_enables[kMaxLights]
+// bool light_model_two_sided
+// bool point_rasterization
+// bool point_sprite_coord_replace
+// bool point_sprite_enabled
+// bool shade_model_flat
+// int texture_format[kMaxTexUnits];
+// int texture_env_mode[kMaxTexUnits];
+// int combine_rgb[kMaxTexUnits];
+// int combine_alpha[kMaxTexUnits];
+// int src0_rgb[kMaxTexUnits];
+// int src0_alpha[kMaxTexUnits];
+// int src1_rgb[kMaxTexUnits];
+// int src1_alpha[kMaxTexUnits];
+// int src2_rgb[kMaxTexUnits];
+// int src2_alpha[kMaxTexUnits];
+// int op0_rgb[kMaxTexUnits];
+// int op0_alpha[kMaxTexUnits];
+// int op1_rgb[kMaxTexUnits];
+// int op1_alpha[kMaxTexUnits];
+// int op2_rgb[kMaxTexUnits];
+// int op2_alpha[kMaxTexUnits];
+// int alpha_func;
+// int fog_mode;
+
+constexpr char kGLES1DrawVShaderHeader[] = R"(#version 300 es
+precision highp float;
+
+#define kMaxTexUnits 4
+#define kMaxLights   8
+)";
+
+constexpr char kGLES1DrawVShader[] = R"(
+
+in vec4 pos;
+in vec3 normal;
+in vec4 color;
+in float pointsize;
+in vec4 texcoord0;
+in vec4 texcoord1;
+in vec4 texcoord2;
+in vec4 texcoord3;
+
+uniform mat4 projection;
+uniform mat4 modelview;
+uniform mat4 modelview_invtr;
+uniform mat4 texture_matrix[kMaxTexUnits];
+
+// Point rasterization//////////////////////////////////////////////////////////
+
+uniform float point_size_min;
+uniform float point_size_max;
+uniform vec3 point_distance_attenuation;
+
+// Shading: flat shading, lighting, and materials///////////////////////////////
+
+uniform vec4 material_ambient;
+uniform vec4 material_diffuse;
+uniform vec4 material_specular;
+uniform vec4 material_emissive;
+uniform float material_specular_exponent;
+
+uniform vec4 light_model_scene_ambient;
+
+uniform vec4 light_ambients[kMaxLights];
+uniform vec4 light_diffuses[kMaxLights];
+uniform vec4 light_speculars[kMaxLights];
+uniform vec4 light_positions[kMaxLights];
+uniform vec3 light_directions[kMaxLights];
+uniform float light_spotlight_exponents[kMaxLights];
+uniform float light_spotlight_cutoff_angles[kMaxLights];
+uniform float light_attenuation_consts[kMaxLights];
+uniform float light_attenuation_linears[kMaxLights];
+uniform float light_attenuation_quadratics[kMaxLights];
+
+// GL_OES_draw_texture uniforms/////////////////////////////////////////////////
+
+uniform vec4 draw_texture_coords;
+uniform vec2 draw_texture_dims;
+uniform vec4 draw_texture_normalized_crop_rect[kMaxTexUnits];
+
+// Varyings/////////////////////////////////////////////////////////////////////
+
+out vec4 pos_varying;
+out vec3 normal_varying;
+out vec4 color_varying;
+flat out vec4 color_varying_flat;
+out vec4 texcoord0_varying;
+out vec4 texcoord1_varying;
+out vec4 texcoord2_varying;
+out vec4 texcoord3_varying;
+
+float posDot(vec3 a, vec3 b)
+{
+    return max(dot(a, b), 0.0);
+}
+
+vec4 doLighting(vec4 vertexColor)
+{
+    vec4 materialAmbientActual = material_ambient;
+    vec4 materialDiffuseActual = material_diffuse;
+
+    if (enable_color_material)
+    {
+        materialAmbientActual = vertexColor;
+        materialDiffuseActual = vertexColor;
+    }
+
+    vec4 lightingResult = material_emissive + materialAmbientActual * light_model_scene_ambient;
+
+    for (int i = 0; i < kMaxLights; i++)
+    {
+
+        if (!light_enables[i])
+            continue;
+
+        vec4 lightAmbient  = light_ambients[i];
+        vec4 lightDiffuse  = light_diffuses[i];
+        vec4 lightSpecular = light_speculars[i];
+        vec4 lightPos      = light_positions[i];
+        vec3 lightDir      = light_directions[i];
+        float attConst     = light_attenuation_consts[i];
+        float attLinear    = light_attenuation_linears[i];
+        float attQuadratic = light_attenuation_quadratics[i];
+        float spotAngle    = light_spotlight_cutoff_angles[i];
+        float spotExponent = light_spotlight_exponents[i];
+
+        vec3 toLight;
+        if (lightPos.w == 0.0)
+        {
+            toLight = lightPos.xyz;
+        }
+        else
+        {
+            toLight = (lightPos.xyz / lightPos.w - pos_varying.xyz);
+        }
+
+        float lightDist = length(toLight);
+        vec3 h          = normalize(toLight) + vec3(0.0, 0.0, 1.0);
+        float ndotL     = posDot(normal_varying, normalize(toLight));
+        float ndoth     = posDot(normal_varying, normalize(h));
+
+        float specAtt;
+
+        if (ndotL != 0.0)
+        {
+            specAtt = 1.0;
+        }
+        else
+        {
+            specAtt = 0.0;
+        }
+
+        float att;
+
+        if (lightPos.w != 0.0)
+        {
+            float attDenom =
+                (attConst + attLinear * lightDist + attQuadratic * lightDist * lightDist);
+            att = 1.0 / attDenom;
+        }
+        else
+        {
+            att = 1.0;
+        }
+
+        float spot;
+
+        float spotAngleCos = cos(radians(spotAngle));
+        vec3 toSurfaceDir  = -normalize(toLight);
+        float spotDot      = posDot(toSurfaceDir, normalize(lightDir));
+
+        if (spotAngle == 180.0 || lightPos.w == 0.0)
+        {
+            spot = 1.0;
+        }
+        else
+        {
+            if (spotDot < spotAngleCos)
+            {
+                spot = 0.0;
+            }
+            else
+            {
+                spot = pow(spotDot, spotExponent);
+            }
+        }
+
+        vec4 contrib = materialAmbientActual * lightAmbient;
+        contrib += ndotL * materialDiffuseActual * lightDiffuse;
+        if (ndoth > 0.0 && material_specular_exponent > 0.0)
+        {
+            contrib += specAtt * pow(ndoth, material_specular_exponent) * material_specular *
+                       lightSpecular;
+        }
+        else
+        {
+            if (ndoth > 0.0)
+            {
+                contrib += specAtt * material_specular * lightSpecular;
+            }
+        }
+        contrib *= att * spot;
+        lightingResult += contrib;
+    }
+
+    return lightingResult;
+}
+
+const vec4 drawTextureVertices[6] = vec4[](
+    vec4(0.0, 0.0, 0.0, 1.0),
+    vec4(1.0, 0.0, 0.0, 1.0),
+    vec4(1.0, 1.0, 0.0, 1.0),
+    vec4(0.0, 0.0, 0.0, 1.0),
+    vec4(1.0, 1.0, 0.0, 1.0),
+    vec4(0.0, 1.0, 0.0, 1.0));
+
+vec4 drawTexturePosition(int vertexId)
+{
+
+    float drawTexX = draw_texture_coords[0];
+    float drawTexY = draw_texture_coords[1];
+    float drawTexZ = draw_texture_coords[2];
+    float drawTexW = draw_texture_dims[0];
+    float drawTexH = draw_texture_dims[1];
+
+    return vec4(drawTexX, drawTexY, drawTexZ, 0.0) +
+           drawTextureVertices[vertexId] *
+           vec4(drawTexW, drawTexH, 1.0, 1.0);
+}
+
+vec4 drawTextureTexCoord(int vertexId, int textureUnit)
+{
+    float texCropU = draw_texture_normalized_crop_rect[textureUnit].x;
+    float texCropV = draw_texture_normalized_crop_rect[textureUnit].y;
+    float texCropW = draw_texture_normalized_crop_rect[textureUnit].z;
+    float texCropH = draw_texture_normalized_crop_rect[textureUnit].w;
+
+    return vec4(texCropU, texCropV, 0.0, 0.0) +
+           drawTextureVertices[vertexId] *
+           vec4(texCropW, texCropH, 0.0, 0.0);
+}
+
+vec4 calcWorldPosition(vec4 posInput)
+{
+    return modelview * posInput;
+}
+
+vec4 calcNdcFromWorldPosition(vec4 worldPos)
+{
+    return projection * worldPos;
+}
+
+float calcPointSize(vec4 ndcPos)
+{
+    float dist         = length(ndcPos.z);
+    float attConst     = point_distance_attenuation[0];
+    float attLinear    = point_distance_attenuation[1];
+    float attQuad      = point_distance_attenuation[2];
+    float attPart      = attConst + attLinear * dist + attQuad * dist * dist;
+    float attPointSize = pointsize / pow(attPart, 0.5);
+
+    return clamp(attPointSize, point_size_min, point_size_max);
+}
+
+vec3 calcNormal(vec3 normalInput)
+{
+    mat3 mvInvTr3 = mat3(modelview_invtr);
+    vec3 result   = mvInvTr3 * normalInput;
+
+    if (enable_rescale_normal)
+    {
+        float rescale   = 1.0;
+        vec3 rescaleVec = vec3(mvInvTr3[2]);
+        float len       = length(rescaleVec);
+        if (len > 0.0)
+        {
+            rescale = 1.0 / len;
+        }
+        result *= rescale;
+    }
+
+    if (enable_normalize)
+    {
+        result = normalize(result);
+    }
+
+    return result;
+}
+
+void main()
+{
+    if (enable_draw_texture)
+    {
+        int vertexId        = gl_VertexID;
+        vec4 posDrawTexture = drawTexturePosition(vertexId);
+
+        gl_Position = posDrawTexture;
+        pos_varying = posDrawTexture;
+
+        normal_varying = normal;
+
+        gl_PointSize = pointsize;
+
+        texcoord0_varying = drawTextureTexCoord(vertexId, 0);
+        texcoord1_varying = drawTextureTexCoord(vertexId, 1);
+        texcoord2_varying = drawTextureTexCoord(vertexId, 2);
+        texcoord3_varying = drawTextureTexCoord(vertexId, 3);
+    }
+    else
+    {
+        vec4 worldPos = calcWorldPosition(pos);
+        vec4 ndcPos   = calcNdcFromWorldPosition(worldPos);
+
+        gl_Position = ndcPos;
+        pos_varying = worldPos;
+
+        normal_varying = calcNormal(normal);
+
+        // Avoid calculating point size stuff
+        // if we are not rendering points.
+        if (point_rasterization)
+        {
+            gl_PointSize = calcPointSize(ndcPos);
+        }
+        else
+        {
+            gl_PointSize = pointsize;
+        }
+
+        texcoord0_varying = texture_matrix[0] * texcoord0;
+        texcoord1_varying = texture_matrix[1] * texcoord1;
+        texcoord2_varying = texture_matrix[2] * texcoord2;
+        texcoord3_varying = texture_matrix[3] * texcoord3;
+    }
+
+    vec4 vertex_color = color;
+
+    if (enable_lighting)
+    {
+        vertex_color = doLighting(color);
+    }
+
+    vertex_color = clamp(vertex_color, vec4(0), vec4(1));
+
+    color_varying      = vertex_color;
+    color_varying_flat = vertex_color;
+}
+)";
+
+constexpr char kGLES1DrawFShaderVersion[] = R"(#version 300 es
+)";
+
+constexpr char kGLES1DrawFShaderHeader[] = R"(precision highp float;
+
+// Defines for GL constants
+#define kMaxTexUnits                         4
+#define kMaxClipPlanes                       6
+
+#define kModulate                       0x2100
+#define kDecal                          0x2101
+#define kCombine                        0x8570
+#define kReplace                        0x1E01
+#define kBlend                          0x0BE2
+#define kAdd                            0x0104
+
+#define kAddSigned                      0x8574
+#define kInterpolate                    0x8575
+#define kSubtract                       0x84E7
+#define kDot3Rgb                        0x86AE
+#define kDot3Rgba                       0x86AF
+
+#define kAlpha                          0x1906
+#define kRGB                            0x1907
+#define kRGBA                           0x1908
+#define kLuminance                      0x1909
+#define kLuminanceAlpha                 0x190A
+
+#define kTexture                        0x1702
+#define kConstant                       0x8576
+#define kPrimaryColor                   0x8577
+#define kPrevious                       0x8578
+
+#define kSrcColor                       0x0300
+#define kOneMinusSrcColor               0x0301
+#define kSrcAlpha                       0x0302
+#define kOneMinusSrcAlpha               0x0303
+
+#define kLinear                         0x2601
+#define kExp                            0x0800
+#define kExp2                           0x0801
+
+#define kNever                          0x0200
+#define kLess                           0x0201
+#define kEqual                          0x0202
+#define kLequal                         0x0203
+#define kGreater                        0x0204
+#define kNotequal                       0x0205
+#define kGequal                         0x0206
+#define kAlways                         0x0207
+#define kZero                              0x0
+#define kOne                               0x1
+
+#define kAnd                            0u
+#define kAndInverted                    1u
+#define kAndReverse                     2u
+#define kClear                          3u
+#define kCopy                           4u
+#define kCopyInverted                   5u
+#define kEquiv                          6u
+#define kInvert                         7u
+#define kNand                           8u
+#define kNoop                           9u
+#define kNor                            10u
+#define kOr                             11u
+#define kOrInverted                     12u
+#define kOrReverse                      13u
+#define kSet                            14u
+#define kXor                            15u
+)";
+
+constexpr char kGLES1DrawFShaderUniformDefs[] = R"(
+
+// Texture units ///////////////////////////////////////////////////////////////
+
+// These are not arrays because hw support for arrays
+// of samplers is rather lacking.
+
+uniform sampler2D tex_sampler0;
+uniform samplerCube tex_cube_sampler0;
+
+uniform sampler2D tex_sampler1;
+uniform samplerCube tex_cube_sampler1;
+
+uniform sampler2D tex_sampler2;
+uniform samplerCube tex_cube_sampler2;
+
+uniform sampler2D tex_sampler3;
+uniform samplerCube tex_cube_sampler3;
+
+uniform vec4 texture_env_color[kMaxTexUnits];
+uniform float texture_env_rgb_scale[kMaxTexUnits];
+uniform float texture_env_alpha_scale[kMaxTexUnits];
+
+// Vertex attributes////////////////////////////////////////////////////////////
+
+in vec4 pos_varying;
+in vec3 normal_varying;
+in vec4 color_varying;
+flat in vec4 color_varying_flat;
+in vec4 texcoord0_varying;
+in vec4 texcoord1_varying;
+in vec4 texcoord2_varying;
+in vec4 texcoord3_varying;
+
+// Alpha test///////////////////////////////////////////////////////////////////
+
+uniform float alpha_test_ref;
+
+// Fog /////////////////////////////////////////////////////////////////////////
+
+uniform float fog_density;
+uniform float fog_start;
+uniform float fog_end;
+uniform vec4 fog_color;
+
+// User clip plane /////////////////////////////////////////////////////////////
+
+uniform vec4 clip_planes[kMaxClipPlanes];
+
+// Logic Op ////////////////////////////////////////////////////////////////////
+
+// Format is:
+// - 4x4 bits depicting the bit width of each channel of color output
+// - 4 bits for the op based on LogicalOperation's packing
+uniform highp uint logic_op;
+
+// Point rasterization//////////////////////////////////////////////////////////
+
+// GL_OES_draw_texture//////////////////////////////////////////////////////////
+)";
+
+constexpr char kGLES1DrawFShaderOutputDef[] = R"(
+out vec4 frag_color;
+)";
+
+constexpr char kGLES1DrawFShaderFramebufferFetchOutputDef[] = R"(
+inout vec4 frag_color;
+)";
+
+constexpr char kGLES1DrawFShaderFramebufferFetchNonCoherentOutputDef[] = R"(
+layout(noncoherent) inout vec4 frag_color;
+)";
+
+constexpr char kGLES1DrawFShaderFunctions[] = R"(
+
+bool doAlphaTest(vec4 currentFragment)
+{
+    bool shouldPassAlpha = false;
+    float incAlpha       = currentFragment.a;
+
+    switch (alpha_func)
+    {
+        case kNever:
+            shouldPassAlpha = false;
+            break;
+        case kLess:
+            shouldPassAlpha = incAlpha < alpha_test_ref;
+            break;
+        case kLequal:
+            shouldPassAlpha = incAlpha <= alpha_test_ref;
+            break;
+        case kEqual:
+            shouldPassAlpha = incAlpha == alpha_test_ref;
+            break;
+        case kGequal:
+            shouldPassAlpha = incAlpha >= alpha_test_ref;
+            break;
+        case kGreater:
+            shouldPassAlpha = incAlpha > alpha_test_ref;
+            break;
+        case kNotequal:
+            shouldPassAlpha = incAlpha != alpha_test_ref;
+            break;
+        case kAlways:
+        default:
+            shouldPassAlpha = true;
+            break;
+    }
+
+    return shouldPassAlpha;
+}
+
+bool doClipPlaneTest()
+{
+    bool res = true;
+
+    for (int i = 0; i < kMaxClipPlanes; i++)
+    {
+        if (clip_plane_enables[i])
+        {
+            float dist = dot(clip_planes[i].xyz, pos_varying.xyz) + clip_planes[i].w * pos_varying.w;
+            res        = res && (dist >= 0.0);
+        }
+    }
+
+    return res;
+}
+
+vec4 doFog(vec4 currentFragment)
+{
+
+    float eyeDist = -pos_varying.z / pos_varying.w;
+    float f       = 1.0;
+    switch (fog_mode)
+    {
+        case kExp:
+            f = exp(-fog_density * eyeDist);
+            break;
+        case kExp2:
+            f = exp(-(pow(fog_density * eyeDist, 2.0)));
+            break;
+        case kLinear:
+            f = (fog_end - eyeDist) / (fog_end - fog_start);
+            break;
+        default:
+            break;
+    }
+
+    f = clamp(f, 0.0, 1.0);
+    vec4 result = vec4(f * currentFragment.rgb + (1.0 - f) * fog_color.rgb, currentFragment.a);
+    return result;
+}
+)";
+
+constexpr char kGLES1DrawFShaderLogicOpFramebufferFetchDisabled[] = R"(
+vec4 applyLogicOp(vec4 currentFragment)
+{
+    return currentFragment;
+}
+)";
+
+// applyLogicOp takes logic-op information from a packed uniform and applies it to the color
+// attachment using framebuffer fetch.  See the description of logic_op above for the format of the
+// uniform.
+//
+// In particular, 4 bits in logic_op (at offset 16) contain the packed logical operation (of
+// LogicalOperation type).  Based on the selected operation, the formula specified in the spec is
+// applied (applied as bitwise operations on unorm values).
+constexpr char kGLES1DrawFShaderLogicOpFramebufferFetchEnabled[] = R"(
+vec4 applyLogicOp(vec4 currentFragment)
+{
+    vec4 previousFragment = frag_color;
+
+    mediump uvec4 channelWidths = uvec4(logic_op & 0xFu,
+                                        logic_op >> 4u & 0xFu,
+                                        logic_op >> 8u & 0xFu,
+                                        logic_op >> 12u & 0xFu);
+
+    mediump uvec4 channelMasks = (uvec4(1) << channelWidths) - 1u;
+
+    mediump uvec4 src = uvec4(round(currentFragment * vec4(channelMasks)));
+    mediump uvec4 dst = uvec4(round(previousFragment * vec4(channelMasks)));
+    mediump uvec4 result;
+
+    switch (logic_op >> 16u & 0xFu)
+    {
+        case kAnd:
+            result = src & dst;
+            break;
+        case kAndInverted:
+            result = ~src & dst;
+            break;
+        case kAndReverse:
+            result = src & ~dst;
+            break;
+        case kClear:
+            result = uvec4(0);
+            break;
+        case kCopy:
+            result = src;
+            break;
+        case kCopyInverted:
+            result = ~src;
+            break;
+        case kEquiv:
+            result = ~(src ^ dst);
+            break;
+        case kInvert:
+            result = ~dst;
+            break;
+        case kNand:
+            result = ~(src & dst);
+            break;
+        case kNoop:
+            result = dst;
+            break;
+        case kNor:
+            result = ~(src | dst);
+            break;
+        case kOr:
+            result = src | dst;
+            break;
+        case kOrInverted:
+            result = ~src | dst;
+            break;
+        case kOrReverse:
+            result = src | ~dst;
+            break;
+        case kSet:
+            result = channelMasks;
+            break;
+        case kXor:
+            result = src ^ dst;
+            break;
+    }
+
+    result &= channelMasks;
+
+    // Avoid division by zero for formats without alpha
+    channelMasks.a = max(channelMasks.a, 1u);
+
+    return vec4(result) / vec4(channelMasks);
+}
+)";
+
+constexpr char kGLES1DrawFShaderMultitexturing[] = R"(
+
+bool isTextureUnitEnabled(int unit)
+{
+    return enable_texture_2d[unit] || enable_texture_cube_map[unit];
+}
+
+vec4 getTextureColor(int unit)
+{
+    vec4 res;
+
+    switch (unit)
+    {
+        case 0:
+            if (enable_texture_2d[0])
+            {
+                res = texture(tex_sampler0, texcoord0_varying.xy);
+            }
+            else if (enable_texture_cube_map[0])
+            {
+                res = texture(tex_cube_sampler0, texcoord0_varying.xyz);
+            }
+            break;
+        case 1:
+            if (enable_texture_2d[1])
+            {
+                res = texture(tex_sampler1, texcoord1_varying.xy);
+            }
+            else if (enable_texture_cube_map[1])
+            {
+                res = texture(tex_cube_sampler1, texcoord1_varying.xyz);
+            }
+            break;
+        case 2:
+            if (enable_texture_2d[2])
+            {
+                res = texture(tex_sampler2, texcoord2_varying.xy);
+            }
+            else if (enable_texture_cube_map[2])
+            {
+                res = texture(tex_cube_sampler2, texcoord2_varying.xyz);
+            }
+            break;
+        case 3:
+            if (enable_texture_2d[3])
+            {
+                res = texture(tex_sampler3, texcoord3_varying.xy);
+            }
+            else if (enable_texture_cube_map[3])
+            {
+                // TODO: Weird stuff happens
+                // res = texture(tex_cube_sampler3, texcoord3_varying.xyz);
+            }
+            break;
+        default:
+            break;
+    }
+
+    return res;
+}
+
+vec4 getPointSpriteTextureColor(int unit)
+{
+    vec4 res;
+
+    switch (unit)
+    {
+        case 0:
+            if (enable_texture_2d[0])
+            {
+                res = texture(tex_sampler0, gl_PointCoord.xy);
+            }
+            break;
+        case 1:
+            if (enable_texture_2d[1])
+            {
+                res = texture(tex_sampler1, gl_PointCoord.xy);
+            }
+            break;
+        case 2:
+            if (enable_texture_2d[2])
+            {
+                res = texture(tex_sampler2, gl_PointCoord.xy);
+            }
+            break;
+        case 3:
+            if (enable_texture_2d[3])
+            {
+                res = texture(tex_sampler3, gl_PointCoord.xy);
+            }
+            break;
+        default:
+            break;
+    }
+
+    return res;
+}
+
+vec3 textureCombineSrcnOpnRgb(int srcnRgb,
+                              int opnRgb,
+                              vec4 textureEnvColor,
+                              vec4 vertexColor,
+                              vec4 texturePrevColor,
+                              vec4 textureColor)
+{
+    vec3 res;
+    vec4 op;
+
+    switch (srcnRgb)
+    {
+        case kTexture:
+            op = textureColor;
+            break;
+        case kConstant:
+            op = textureEnvColor;
+            break;
+        case kPrimaryColor:
+            op = vertexColor;
+            break;
+        case kPrevious:
+            op = texturePrevColor;
+            break;
+        default:
+            op = texturePrevColor;
+            break;
+    }
+
+    switch (opnRgb)
+    {
+        case kSrcColor:
+            res = op.rgb;
+            break;
+        case kOneMinusSrcColor:
+            res = 1.0 - op.rgb;
+            break;
+        case kSrcAlpha:
+            res = vec3(op.a, op.a, op.a);
+            break;
+        case kOneMinusSrcAlpha:
+            res = vec3(1.0 - op.a, 1.0 - op.a, 1.0 - op.a);
+            break;
+        default:
+            break;
+    }
+
+    return res;
+}
+
+float textureCombineSrcnOpnAlpha(int srcn,
+                                 int opn,
+                                 vec4 textureEnvColor,
+                                 vec4 vertexColor,
+                                 vec4 texturePrevColor,
+                                 vec4 textureColor)
+{
+    float res;
+    vec4 op;
+
+    switch (srcn)
+    {
+        case kTexture:
+            op = textureColor;
+            break;
+        case kConstant:
+            op = textureEnvColor;
+            break;
+        case kPrimaryColor:
+            op = vertexColor;
+            break;
+        case kPrevious:
+            op = texturePrevColor;
+            break;
+        default:
+            op = texturePrevColor;
+            break;
+    }
+
+    switch (opn)
+    {
+        case kSrcAlpha:
+            res = op.a;
+            break;
+        case kOneMinusSrcAlpha:
+            res = 1.0 - op.a;
+            break;
+        default:
+            break;
+    }
+
+    return res;
+}
+
+vec4 textureCombine(int combineRgb,
+                    int combineAlpha,
+                    int src0Rgb,
+                    int src0Alpha,
+                    int src1Rgb,
+                    int src1Alpha,
+                    int src2Rgb,
+                    int src2Alpha,
+                    int op0Rgb,
+                    int op0Alpha,
+                    int op1Rgb,
+                    int op1Alpha,
+                    int op2Rgb,
+                    int op2Alpha,
+                    vec4 textureEnvColor,
+                    float rgbScale,
+                    float alphaScale,
+                    vec4 vertexColor,
+                    vec4 texturePrevColor,
+                    vec4 textureColor)
+{
+
+    vec3 resRgb;
+    float resAlpha;
+
+    vec3 arg0Rgb;
+    float arg0Alpha;
+    vec3 arg1Rgb;
+    float arg1Alpha;
+    vec3 arg2Rgb;
+    float arg2Alpha;
+    float dotVal;
+
+    arg0Rgb   = textureCombineSrcnOpnRgb(src0Rgb, op0Rgb, textureEnvColor, vertexColor,
+                                       texturePrevColor, textureColor);
+    arg0Alpha = textureCombineSrcnOpnAlpha(src0Alpha, op0Alpha, textureEnvColor, vertexColor,
+                                           texturePrevColor, textureColor);
+
+    if (combineRgb != kReplace)
+    {
+        arg1Rgb = textureCombineSrcnOpnRgb(src1Rgb, op1Rgb, textureEnvColor, vertexColor,
+                                           texturePrevColor, textureColor);
+    }
+
+    if (combineAlpha != kReplace)
+    {
+        arg1Alpha = textureCombineSrcnOpnAlpha(src1Alpha, op1Alpha, textureEnvColor, vertexColor,
+                                               texturePrevColor, textureColor);
+    }
+
+    if (combineRgb == kInterpolate)
+    {
+        arg2Rgb = textureCombineSrcnOpnRgb(src2Rgb, op2Rgb, textureEnvColor, vertexColor,
+                                           texturePrevColor, textureColor);
+    }
+
+    if (combineAlpha == kInterpolate)
+    {
+        arg2Alpha = textureCombineSrcnOpnAlpha(src2Alpha, op2Alpha, textureEnvColor, vertexColor,
+                                               texturePrevColor, textureColor);
+    }
+
+    switch (combineRgb)
+    {
+        case kReplace:
+            resRgb = arg0Rgb;
+            break;
+        case kModulate:
+            resRgb = arg0Rgb * arg1Rgb;
+            break;
+        case kAdd:
+            resRgb = arg0Rgb + arg1Rgb;
+            break;
+        case kAddSigned:
+            resRgb = arg0Rgb + arg1Rgb - 0.5;
+            break;
+        case kInterpolate:
+            resRgb = arg0Rgb * arg2Rgb + arg1Rgb * (1.0 - arg2Rgb);
+            break;
+        case kSubtract:
+            resRgb = arg0Rgb - arg1Rgb;
+            break;
+        default:
+            break;
+    }
+
+    switch (combineAlpha)
+    {
+        case kReplace:
+            resAlpha = arg0Alpha;
+            break;
+        case kModulate:
+            resAlpha = arg0Alpha * arg1Alpha;
+            break;
+        case kAdd:
+            resAlpha = arg0Alpha + arg1Alpha;
+            break;
+        case kAddSigned:
+            resAlpha = arg0Alpha + arg1Alpha - 0.5;
+            break;
+        case kInterpolate:
+            resAlpha = arg0Alpha * arg2Alpha + arg1Alpha * (1.0 - arg2Alpha);
+            break;
+        case kSubtract:
+            resAlpha = arg0Alpha - arg1Alpha;
+            break;
+        default:
+            break;
+    }
+
+    if (combineRgb == kDot3Rgb || combineRgb == kDot3Rgba)
+    {
+        dotVal = 4.0 * dot(arg0Rgb - 0.5, arg1Rgb - 0.5);
+
+        if (combineRgb == kDot3Rgb)
+        {
+            return vec4(dotVal, dotVal, dotVal, resAlpha);
+        }
+        else
+        {
+            return vec4(dotVal, dotVal, dotVal, dotVal);
+        }
+    }
+    else
+    {
+        return vec4(resRgb, resAlpha);
+    }
+}
+
+vec4 textureFunction(int unit,
+                     int texFormat,
+                     int envMode,
+                     int combineRgb,
+                     int combineAlpha,
+                     int src0Rgb,
+                     int src0Alpha,
+                     int src1Rgb,
+                     int src1Alpha,
+                     int src2Rgb,
+                     int src2Alpha,
+                     int op0Rgb,
+                     int op0Alpha,
+                     int op1Rgb,
+                     int op1Alpha,
+                     int op2Rgb,
+                     int op2Alpha,
+                     vec4 textureEnvColor,
+                     float rgbScale,
+                     float alphaScale,
+                     vec4 vertexColor,
+                     vec4 texturePrevColor,
+                     vec4 textureColor)
+{
+
+    if (!isTextureUnitEnabled(unit))
+    {
+        return texturePrevColor;
+    }
+
+    vec4 res;
+
+    switch (envMode)
+    {
+        case kReplace:
+            switch (texFormat)
+            {
+                case kAlpha:
+                    res.rgb = texturePrevColor.rgb;
+                    res.a   = textureColor.a;
+                    break;
+                case kRGBA:
+                case kLuminanceAlpha:
+                    res.rgba = textureColor.rgba;
+                    break;
+                case kRGB:
+                case kLuminance:
+                default:
+                    res.rgb = textureColor.rgb;
+                    res.a   = texturePrevColor.a;
+                    break;
+            }
+            break;
+        case kModulate:
+            switch (texFormat)
+            {
+                case kAlpha:
+                    res.rgb = texturePrevColor.rgb;
+                    res.a   = texturePrevColor.a * textureColor.a;
+                    break;
+                case kRGBA:
+                case kLuminanceAlpha:
+                    res.rgba = texturePrevColor.rgba * textureColor.rgba;
+                    break;
+                case kRGB:
+                case kLuminance:
+                default:
+                    res.rgb = texturePrevColor.rgb * textureColor.rgb;
+                    res.a   = texturePrevColor.a;
+                    break;
+            }
+            break;
+        case kDecal:
+            switch (texFormat)
+            {
+                case kRGB:
+                    res.rgb = textureColor.rgb;
+                    res.a   = texturePrevColor.a;
+                    break;
+                case kRGBA:
+                    res.rgb = texturePrevColor.rgb * (1.0 - textureColor.a) +
+                              textureColor.rgb * textureColor.a;
+                    res.a = texturePrevColor.a;
+                    break;
+                case kAlpha:
+                case kLuminance:
+                case kLuminanceAlpha:
+                default:
+                    res.rgb = texturePrevColor.rgb * textureColor.rgb;
+                    res.a   = texturePrevColor.a;
+                    break;
+            }
+            break;
+        case kBlend:
+            switch (texFormat)
+            {
+                case kAlpha:
+                    res.rgb = texturePrevColor.rgb;
+                    res.a   = textureColor.a * texturePrevColor.a;
+                    break;
+                case kLuminance:
+                case kRGB:
+                    res.rgb = texturePrevColor.rgb * (1.0 - textureColor.rgb) +
+                              textureEnvColor.rgb * textureColor.rgb;
+                    res.a = texturePrevColor.a;
+                    break;
+                case kLuminanceAlpha:
+                case kRGBA:
+                default:
+                    res.rgb = texturePrevColor.rgb * (1.0 - textureColor.rgb) +
+                              textureEnvColor.rgb * textureColor.rgb;
+                    res.a = textureColor.a * texturePrevColor.a;
+                    break;
+            }
+            break;
+        case kAdd:
+            switch (texFormat)
+            {
+                case kAlpha:
+                    res.rgb = texturePrevColor.rgb;
+                    res.a   = textureColor.a * texturePrevColor.a;
+                    break;
+                case kLuminance:
+                case kRGB:
+                    res.rgb = texturePrevColor.rgb + textureColor.rgb;
+                    res.a   = texturePrevColor.a;
+                    break;
+                case kLuminanceAlpha:
+                case kRGBA:
+                default:
+                    res.rgb = texturePrevColor.rgb + textureColor.rgb;
+                    res.a   = textureColor.a * texturePrevColor.a;
+                    break;
+            }
+            break;
+        case kCombine:
+            res = textureCombine(combineRgb, combineAlpha, src0Rgb, src0Alpha, src1Rgb, src1Alpha,
+                                 src2Rgb, src2Alpha, op0Rgb, op0Alpha, op1Rgb, op1Alpha, op2Rgb,
+                                 op2Alpha, textureEnvColor, rgbScale, alphaScale, vertexColor,
+                                 texturePrevColor, textureColor);
+            res.rgb *= rgbScale;
+            res.a *= alphaScale;
+            break;
+        default:
+            break;
+    }
+
+    return clamp(res, 0.0, 1.0);
+}
+)";
+
+constexpr char kGLES1DrawFShaderMain[] = R"(
+void main()
+{
+    if (enable_clip_planes && !enable_draw_texture)
+    {
+        if (!doClipPlaneTest())
+        {
+            discard;
+        }
+    }
+
+    vec4 vertex_color;
+
+    if (shade_model_flat)
+    {
+        vertex_color = color_varying_flat;
+    }
+    else
+    {
+        vertex_color = color_varying;
+    }
+
+    vec4 currentFragment = vertex_color;
+
+    vec4 texturePrevColor = currentFragment;
+
+    for (int i = 0; i < kMaxTexUnits; i++)
+    {
+        vec4 textureColor;
+
+        if (point_rasterization && point_sprite_enabled &&
+            point_sprite_coord_replace[i]) {
+            textureColor = getPointSpriteTextureColor(i);
+        } else {
+            textureColor = getTextureColor(i);
+        }
+
+        currentFragment = textureFunction(
+            i, texture_format[i], texture_env_mode[i], combine_rgb[i], combine_alpha[i],
+            src0_rgb[i], src0_alpha[i], src1_rgb[i], src1_alpha[i], src2_rgb[i], src2_alpha[i],
+            op0_rgb[i], op0_alpha[i], op1_rgb[i], op1_alpha[i], op2_rgb[i], op2_alpha[i],
+            texture_env_color[i], texture_env_rgb_scale[i], texture_env_alpha_scale[i],
+            vertex_color, texturePrevColor, textureColor);
+
+        texturePrevColor = currentFragment;
+    }
+
+    if (enable_fog)
+    {
+        currentFragment = doFog(currentFragment);
+    }
+
+    if (enable_alpha_test && !doAlphaTest(currentFragment))
+    {
+        discard;
+    }
+
+    frag_color = applyLogicOp(currentFragment);
+}
+)";
diff --git a/gfx/angle/checkout/src/libANGLE/GLES1State.cpp b/gfx/angle/checkout/src/libANGLE/GLES1State.cpp
new file mode 100644
index 0000000000..17ad0de3ad
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/GLES1State.cpp
@@ -0,0 +1,609 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// GLES1State.cpp: Implements the GLES1State class, tracking state
+// for GLES1 contexts.
+
+#include "libANGLE/GLES1State.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/GLES1Renderer.h"
+
+namespace gl
+{
+
+TextureCoordF::TextureCoordF() = default;
+
+TextureCoordF::TextureCoordF(float _s, float _t, float _r, float _q) : s(_s), t(_t), r(_r), q(_q) {}
+
+bool TextureCoordF::operator==(const TextureCoordF &other) const
+{
+    return s == other.s && t == other.t && r == other.r && q == other.q;
+}
+
+MaterialParameters::MaterialParameters() = default;
+
+LightModelParameters::LightModelParameters() = default;
+
+LightParameters::LightParameters() = default;
+
+LightParameters::LightParameters(const LightParameters &other) = default;
+
+FogParameters::FogParameters() = default;
+
+TextureEnvironmentParameters::TextureEnvironmentParameters() = default;
+
+TextureEnvironmentParameters::TextureEnvironmentParameters(
+    const TextureEnvironmentParameters &other) = default;
+
+PointParameters::PointParameters() = default;
+
+PointParameters::PointParameters(const PointParameters &other) = default;
+
+ClipPlaneParameters::ClipPlaneParameters() = default;
+
+ClipPlaneParameters::ClipPlaneParameters(bool enabled, const angle::Vector4 &equation)
+    : enabled(enabled), equation(equation)
+{}
+
+ClipPlaneParameters::ClipPlaneParameters(const ClipPlaneParameters &other) = default;
+
+ClipPlaneParameters &ClipPlaneParameters::operator=(const ClipPlaneParameters &other) = default;
+
+GLES1State::GLES1State()
+    : mGLState(nullptr),
+      mVertexArrayEnabled(false),
+      mNormalArrayEnabled(false),
+      mColorArrayEnabled(false),
+      mPointSizeArrayEnabled(false),
+      mLineSmoothEnabled(false),
+      mPointSmoothEnabled(false),
+      mPointSpriteEnabled(false),
+      mAlphaTestEnabled(false),
+      mLogicOpEnabled(false),
+      mLightingEnabled(false),
+      mFogEnabled(false),
+      mRescaleNormalEnabled(false),
+      mNormalizeEnabled(false),
+      mColorMaterialEnabled(false),
+      mReflectionMapEnabled(false),
+      mCurrentColor({0.0f, 0.0f, 0.0f, 0.0f}),
+      mCurrentNormal({0.0f, 0.0f, 0.0f}),
+      mClientActiveTexture(0),
+      mMatrixMode(MatrixType::Modelview),
+      mShadeModel(ShadingModel::Smooth),
+      mAlphaTestFunc(AlphaTestFunc::AlwaysPass),
+      mAlphaTestRef(0.0f),
+      mLogicOp(LogicalOperation::Copy),
+      mLineSmoothHint(HintSetting::DontCare),
+      mPointSmoothHint(HintSetting::DontCare),
+      mPerspectiveCorrectionHint(HintSetting::DontCare),
+      mFogHint(HintSetting::DontCare)
+{}
+
+GLES1State::~GLES1State() = default;
+
+// Taken from the GLES 1.x spec which specifies all initial state values.
+void GLES1State::initialize(const Context *context, const State *state)
+{
+    mGLState = state;
+
+    const Caps &caps = context->getCaps();
+
+    mTexUnitEnables.resize(caps.maxMultitextureUnits);
+    for (auto &enables : mTexUnitEnables)
+    {
+        enables.reset();
+    }
+
+    mVertexArrayEnabled    = false;
+    mNormalArrayEnabled    = false;
+    mColorArrayEnabled     = false;
+    mPointSizeArrayEnabled = false;
+    mTexCoordArrayEnabled.resize(caps.maxMultitextureUnits, false);
+
+    mLineSmoothEnabled    = false;
+    mPointSmoothEnabled   = false;
+    mPointSpriteEnabled   = false;
+    mLogicOpEnabled       = false;
+    mAlphaTestEnabled     = false;
+    mLightingEnabled      = false;
+    mFogEnabled           = false;
+    mRescaleNormalEnabled = false;
+    mNormalizeEnabled     = false;
+    mColorMaterialEnabled = false;
+    mReflectionMapEnabled = false;
+
+    mMatrixMode = MatrixType::Modelview;
+
+    mCurrentColor  = {1.0f, 1.0f, 1.0f, 1.0f};
+    mCurrentNormal = {0.0f, 0.0f, 1.0f};
+    mCurrentTextureCoords.resize(caps.maxMultitextureUnits);
+    mClientActiveTexture = 0;
+
+    mTextureEnvironments.resize(caps.maxMultitextureUnits);
+
+    mModelviewMatrices.push_back(angle::Mat4());
+    mProjectionMatrices.push_back(angle::Mat4());
+    mTextureMatrices.resize(caps.maxMultitextureUnits);
+    for (auto &stack : mTextureMatrices)
+    {
+        stack.push_back(angle::Mat4());
+    }
+
+    mMaterial.ambient  = {0.2f, 0.2f, 0.2f, 1.0f};
+    mMaterial.diffuse  = {0.8f, 0.8f, 0.8f, 1.0f};
+    mMaterial.specular = {0.0f, 0.0f, 0.0f, 1.0f};
+    mMaterial.emissive = {0.0f, 0.0f, 0.0f, 1.0f};
+
+    mMaterial.specularExponent = 0.0f;
+
+    mLightModel.color    = {0.2f, 0.2f, 0.2f, 1.0f};
+    mLightModel.twoSided = false;
+
+    mLights.resize(caps.maxLights);
+
+    // GL_LIGHT0 is special and has default state that avoids all-black renderings.
+    mLights[0].diffuse  = {1.0f, 1.0f, 1.0f, 1.0f};
+    mLights[0].specular = {1.0f, 1.0f, 1.0f, 1.0f};
+
+    mFog.mode    = FogMode::Exp;
+    mFog.density = 1.0f;
+    mFog.start   = 0.0f;
+    mFog.end     = 1.0f;
+
+    mFog.color = {0.0f, 0.0f, 0.0f, 0.0f};
+
+    mShadeModel = ShadingModel::Smooth;
+
+    mAlphaTestFunc = AlphaTestFunc::AlwaysPass;
+    mAlphaTestRef  = 0.0f;
+
+    mLogicOp = LogicalOperation::Copy;
+
+    mClipPlanes.resize(caps.maxClipPlanes,
+                       ClipPlaneParameters(false, angle::Vector4(0.0f, 0.0f, 0.0f, 0.0f)));
+
+    mLineSmoothHint            = HintSetting::DontCare;
+    mPointSmoothHint           = HintSetting::DontCare;
+    mPerspectiveCorrectionHint = HintSetting::DontCare;
+    mFogHint                   = HintSetting::DontCare;
+
+    // The user-specified point size, GL_POINT_SIZE_MAX,
+    // is initially equal to the implementation maximum.
+    mPointParameters.pointSizeMax = caps.maxAliasedPointSize;
+
+    mDirtyBits.set();
+}
+
+void GLES1State::setAlphaFunc(AlphaTestFunc func, GLfloat ref)
+{
+    setDirty(DIRTY_GLES1_ALPHA_TEST);
+    mAlphaTestFunc = func;
+    mAlphaTestRef  = ref;
+}
+
+void GLES1State::setClientTextureUnit(unsigned int unit)
+{
+    setDirty(DIRTY_GLES1_CLIENT_ACTIVE_TEXTURE);
+    mClientActiveTexture = unit;
+}
+
+unsigned int GLES1State::getClientTextureUnit() const
+{
+    return mClientActiveTexture;
+}
+
+void GLES1State::setCurrentColor(const ColorF &color)
+{
+    setDirty(DIRTY_GLES1_CURRENT_VECTOR);
+    mCurrentColor = color;
+
+    // > When enabled, both the ambient (acm) and diffuse (dcm) properties of both the front and
+    // > back material are immediately set to the value of the current color, and will track changes
+    // > to the current color resulting from either the Color commands or drawing vertex arrays with
+    // > the color array enabled.
+    // > The replacements made to material properties are permanent; the replaced values remain
+    // > until changed by either sending a new color or by setting a new material value when
+    // > COLOR_MATERIAL is not currently enabled, to override that particular value.
+    if (isColorMaterialEnabled())
+    {
+        mMaterial.ambient = color;
+        mMaterial.diffuse = color;
+    }
+}
+
+const ColorF &GLES1State::getCurrentColor() const
+{
+    return mCurrentColor;
+}
+
+void GLES1State::setCurrentNormal(const angle::Vector3 &normal)
+{
+    setDirty(DIRTY_GLES1_CURRENT_VECTOR);
+    mCurrentNormal = normal;
+}
+
+const angle::Vector3 &GLES1State::getCurrentNormal() const
+{
+    return mCurrentNormal;
+}
+
+bool GLES1State::shouldHandleDirtyProgram()
+{
+    bool ret = isDirty(DIRTY_GLES1_PROGRAM);
+    clearDirtyBits(DIRTY_GLES1_PROGRAM);
+    return ret;
+}
+
+void GLES1State::setCurrentTextureCoords(unsigned int unit, const TextureCoordF &coords)
+{
+    setDirty(DIRTY_GLES1_CURRENT_VECTOR);
+    mCurrentTextureCoords[unit] = coords;
+}
+
+const TextureCoordF &GLES1State::getCurrentTextureCoords(unsigned int unit) const
+{
+    return mCurrentTextureCoords[unit];
+}
+
+void GLES1State::setMatrixMode(MatrixType mode)
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    mMatrixMode = mode;
+}
+
+MatrixType GLES1State::getMatrixMode() const
+{
+    return mMatrixMode;
+}
+
+GLint GLES1State::getCurrentMatrixStackDepth(GLenum queryType) const
+{
+    switch (queryType)
+    {
+        case GL_MODELVIEW_STACK_DEPTH:
+            return clampCast<GLint>(mModelviewMatrices.size());
+        case GL_PROJECTION_STACK_DEPTH:
+            return clampCast<GLint>(mProjectionMatrices.size());
+        case GL_TEXTURE_STACK_DEPTH:
+            return clampCast<GLint>(mTextureMatrices[mGLState->getActiveSampler()].size());
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+void GLES1State::pushMatrix()
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    auto &stack = currentMatrixStack();
+    stack.push_back(stack.back());
+}
+
+void GLES1State::popMatrix()
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    auto &stack = currentMatrixStack();
+    stack.pop_back();
+}
+
+GLES1State::MatrixStack &GLES1State::currentMatrixStack()
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    switch (mMatrixMode)
+    {
+        case MatrixType::Modelview:
+            return mModelviewMatrices;
+        case MatrixType::Projection:
+            return mProjectionMatrices;
+        case MatrixType::Texture:
+            return mTextureMatrices[mGLState->getActiveSampler()];
+        default:
+            UNREACHABLE();
+            return mModelviewMatrices;
+    }
+}
+
+const angle::Mat4 &GLES1State::getModelviewMatrix() const
+{
+    return mModelviewMatrices.back();
+}
+
+const GLES1State::MatrixStack &GLES1State::getMatrixStack(MatrixType mode) const
+{
+    switch (mode)
+    {
+        case MatrixType::Modelview:
+            return mModelviewMatrices;
+        case MatrixType::Projection:
+            return mProjectionMatrices;
+        case MatrixType::Texture:
+            return mTextureMatrices[mGLState->getActiveSampler()];
+        default:
+            UNREACHABLE();
+            return mModelviewMatrices;
+    }
+}
+
+const GLES1State::MatrixStack &GLES1State::currentMatrixStack() const
+{
+    return getMatrixStack(mMatrixMode);
+}
+
+void GLES1State::loadMatrix(const angle::Mat4 &m)
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    currentMatrixStack().back() = m;
+}
+
+void GLES1State::multMatrix(const angle::Mat4 &m)
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    angle::Mat4 currentMatrix   = currentMatrixStack().back();
+    currentMatrixStack().back() = currentMatrix.product(m);
+}
+
+void GLES1State::setLogicOpEnabled(bool enabled)
+{
+    setDirty(DIRTY_GLES1_LOGIC_OP);
+    mLogicOpEnabled = enabled;
+}
+
+void GLES1State::setLogicOp(LogicalOperation opcodePacked)
+{
+    setDirty(DIRTY_GLES1_LOGIC_OP);
+    mLogicOp = opcodePacked;
+}
+
+void GLES1State::setClientStateEnabled(ClientVertexArrayType clientState, bool enable)
+{
+    setDirty(DIRTY_GLES1_CLIENT_STATE_ENABLE);
+    switch (clientState)
+    {
+        case ClientVertexArrayType::Vertex:
+            mVertexArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::Normal:
+            mNormalArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::Color:
+            mColorArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::PointSize:
+            mPointSizeArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::TextureCoord:
+            mTexCoordArrayEnabled[mClientActiveTexture] = enable;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void GLES1State::setTexCoordArrayEnabled(unsigned int unit, bool enable)
+{
+    setDirty(DIRTY_GLES1_CLIENT_STATE_ENABLE);
+    mTexCoordArrayEnabled[unit] = enable;
+}
+
+bool GLES1State::isClientStateEnabled(ClientVertexArrayType clientState) const
+{
+    switch (clientState)
+    {
+        case ClientVertexArrayType::Vertex:
+            return mVertexArrayEnabled;
+        case ClientVertexArrayType::Normal:
+            return mNormalArrayEnabled;
+        case ClientVertexArrayType::Color:
+            return mColorArrayEnabled;
+        case ClientVertexArrayType::PointSize:
+            return mPointSizeArrayEnabled;
+        case ClientVertexArrayType::TextureCoord:
+            return mTexCoordArrayEnabled[mClientActiveTexture];
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GLES1State::isTexCoordArrayEnabled(unsigned int unit) const
+{
+    ASSERT(unit < mTexCoordArrayEnabled.size());
+    return mTexCoordArrayEnabled[unit];
+}
+
+bool GLES1State::isTextureTargetEnabled(unsigned int unit, const TextureType type) const
+{
+    if (mTexUnitEnables.empty())
+    {
+        return false;
+    }
+    return mTexUnitEnables[unit].test(type);
+}
+
+LightModelParameters &GLES1State::lightModelParameters()
+{
+    setDirty(DIRTY_GLES1_LIGHTS);
+    return mLightModel;
+}
+
+const LightModelParameters &GLES1State::lightModelParameters() const
+{
+    return mLightModel;
+}
+
+LightParameters &GLES1State::lightParameters(unsigned int light)
+{
+    setDirty(DIRTY_GLES1_LIGHTS);
+    return mLights[light];
+}
+
+const LightParameters &GLES1State::lightParameters(unsigned int light) const
+{
+    return mLights[light];
+}
+
+MaterialParameters &GLES1State::materialParameters()
+{
+    setDirty(DIRTY_GLES1_MATERIAL);
+    return mMaterial;
+}
+
+const MaterialParameters &GLES1State::materialParameters() const
+{
+    return mMaterial;
+}
+
+bool GLES1State::isColorMaterialEnabled() const
+{
+    return mColorMaterialEnabled;
+}
+
+void GLES1State::setShadeModel(ShadingModel model)
+{
+    setDirty(DIRTY_GLES1_SHADE_MODEL);
+    mShadeModel = model;
+}
+
+void GLES1State::setClipPlane(unsigned int plane, const GLfloat *equation)
+{
+    setDirty(DIRTY_GLES1_CLIP_PLANES);
+    assert(plane < mClipPlanes.size());
+    mClipPlanes[plane].equation[0] = equation[0];
+    mClipPlanes[plane].equation[1] = equation[1];
+    mClipPlanes[plane].equation[2] = equation[2];
+    mClipPlanes[plane].equation[3] = equation[3];
+}
+
+void GLES1State::getClipPlane(unsigned int plane, GLfloat *equation) const
+{
+    assert(plane < mClipPlanes.size());
+    equation[0] = mClipPlanes[plane].equation[0];
+    equation[1] = mClipPlanes[plane].equation[1];
+    equation[2] = mClipPlanes[plane].equation[2];
+    equation[3] = mClipPlanes[plane].equation[3];
+}
+
+FogParameters &GLES1State::fogParameters()
+{
+    setDirty(DIRTY_GLES1_FOG);
+    return mFog;
+}
+
+const FogParameters &GLES1State::fogParameters() const
+{
+    return mFog;
+}
+
+TextureEnvironmentParameters &GLES1State::textureEnvironment(unsigned int unit)
+{
+    setDirty(DIRTY_GLES1_TEXTURE_ENVIRONMENT);
+    assert(unit < mTextureEnvironments.size());
+    return mTextureEnvironments[unit];
+}
+
+const TextureEnvironmentParameters &GLES1State::textureEnvironment(unsigned int unit) const
+{
+    assert(unit < mTextureEnvironments.size());
+    return mTextureEnvironments[unit];
+}
+
+bool operator==(const TextureEnvironmentParameters &a, const TextureEnvironmentParameters &b)
+{
+    return a.tie() == b.tie();
+}
+
+bool operator!=(const TextureEnvironmentParameters &a, const TextureEnvironmentParameters &b)
+{
+    return !(a == b);
+}
+
+PointParameters &GLES1State::pointParameters()
+{
+    setDirty(DIRTY_GLES1_POINT_PARAMETERS);
+    return mPointParameters;
+}
+
+const PointParameters &GLES1State::pointParameters() const
+{
+    return mPointParameters;
+}
+
+AttributesMask GLES1State::getVertexArraysAttributeMask() const
+{
+    AttributesMask attribsMask;
+
+    ClientVertexArrayType nonTexcoordArrays[] = {
+        ClientVertexArrayType::Vertex,
+        ClientVertexArrayType::Normal,
+        ClientVertexArrayType::Color,
+        ClientVertexArrayType::PointSize,
+    };
+
+    for (const ClientVertexArrayType attrib : nonTexcoordArrays)
+    {
+        attribsMask.set(GLES1Renderer::VertexArrayIndex(attrib, *this),
+                        isClientStateEnabled(attrib));
+    }
+
+    for (unsigned int i = 0; i < kTexUnitCount; i++)
+    {
+        attribsMask.set(GLES1Renderer::TexCoordArrayIndex(i), isTexCoordArrayEnabled(i));
+    }
+
+    return attribsMask;
+}
+
+AttributesMask GLES1State::getActiveAttributesMask() const
+{
+    // The program always has 8 attributes enabled.
+    return AttributesMask(0xFF);
+}
+
+void GLES1State::setHint(GLenum target, GLenum mode)
+{
+    setDirty(DIRTY_GLES1_HINT_SETTING);
+    HintSetting setting = FromGLenum<HintSetting>(mode);
+    switch (target)
+    {
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+            mPerspectiveCorrectionHint = setting;
+            break;
+        case GL_POINT_SMOOTH_HINT:
+            mPointSmoothHint = setting;
+            break;
+        case GL_LINE_SMOOTH_HINT:
+            mLineSmoothHint = setting;
+            break;
+        case GL_FOG_HINT:
+            mFogHint = setting;
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+GLenum GLES1State::getHint(GLenum target) const
+{
+    switch (target)
+    {
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+            return ToGLenum(mPerspectiveCorrectionHint);
+        case GL_POINT_SMOOTH_HINT:
+            return ToGLenum(mPointSmoothHint);
+        case GL_LINE_SMOOTH_HINT:
+            return ToGLenum(mLineSmoothHint);
+        case GL_FOG_HINT:
+            return ToGLenum(mFogHint);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/GLES1State.h b/gfx/angle/checkout/src/libANGLE/GLES1State.h
new file mode 100644
index 0000000000..e9c108b58b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/GLES1State.h
@@ -0,0 +1,351 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// GLES1State.h: Defines the GLES1State class holding the state of
+// a GLES1 context.
+
+#ifndef LIBANGLE_GLES1STATE_H_
+#define LIBANGLE_GLES1STATE_H_
+
+#include <unordered_set>
+
+#include "common/FixedVector.h"
+#include "common/angleutils.h"
+#include "common/bitset_utils.h"
+#include "common/matrix_utils.h"
+#include "common/vector_utils.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+
+// State types specific to GLES1 contexts, from the OpenGL ES 1.1 spec "State Tables" section
+struct TextureCoordF
+{
+    TextureCoordF();
+    TextureCoordF(float _s, float _t, float _r, float _q);
+    bool operator==(const TextureCoordF &other) const;
+
+    GLfloat s = 0.0f;
+    GLfloat t = 0.0f;
+    GLfloat r = 0.0f;
+    GLfloat q = 0.0f;
+};
+
+struct MaterialParameters
+{
+    MaterialParameters();
+
+    ColorF ambient;
+    ColorF diffuse;
+    ColorF specular;
+    ColorF emissive;
+    GLfloat specularExponent;
+};
+
+struct LightModelParameters
+{
+    LightModelParameters();
+
+    ColorF color;
+    bool twoSided;
+};
+
+struct LightParameters
+{
+    LightParameters();
+    LightParameters(const LightParameters &other);
+
+    bool enabled                 = false;
+    ColorF ambient               = {0.0f, 0.0f, 0.0f, 1.0f};
+    ColorF diffuse               = {0.0f, 0.0f, 0.0f, 1.0f};
+    ColorF specular              = {0.0f, 0.0f, 0.0f, 1.0f};
+    angle::Vector4 position      = {0.0f, 0.0f, 1.0f, 0.0f};
+    angle::Vector3 direction     = {0.0f, 0.0f, -1.0f};
+    GLfloat spotlightExponent    = 0.0f;
+    GLfloat spotlightCutoffAngle = 180.0f;
+    GLfloat attenuationConst     = 1.0f;
+    GLfloat attenuationLinear    = 0.0f;
+    GLfloat attenuationQuadratic = 0.0f;
+};
+
+struct FogParameters
+{
+    FogParameters();
+
+    FogMode mode;
+    GLfloat density;
+    GLfloat start;
+    GLfloat end;
+    ColorF color;
+};
+
+struct TextureEnvironmentParameters
+{
+    TextureEnvironmentParameters();
+    TextureEnvironmentParameters(const TextureEnvironmentParameters &other);
+
+    TextureEnvMode mode         = TextureEnvMode::Modulate;
+    TextureCombine combineRgb   = TextureCombine::Modulate;
+    TextureCombine combineAlpha = TextureCombine::Modulate;
+
+    TextureSrc src0Rgb   = TextureSrc::Texture;
+    TextureSrc src0Alpha = TextureSrc::Texture;
+
+    TextureSrc src1Rgb   = TextureSrc::Previous;
+    TextureSrc src1Alpha = TextureSrc::Previous;
+
+    TextureSrc src2Rgb   = TextureSrc::Constant;
+    TextureSrc src2Alpha = TextureSrc::Constant;
+
+    TextureOp op0Rgb   = TextureOp::SrcColor;
+    TextureOp op0Alpha = TextureOp::SrcAlpha;
+
+    TextureOp op1Rgb   = TextureOp::SrcColor;
+    TextureOp op1Alpha = TextureOp::SrcAlpha;
+
+    TextureOp op2Rgb   = TextureOp::SrcAlpha;
+    TextureOp op2Alpha = TextureOp::SrcAlpha;
+
+    ColorF color       = {0.0f, 0.0f, 0.0f, 0.0f};
+    GLfloat rgbScale   = 1.0f;
+    GLfloat alphaScale = 1.0f;
+
+    bool pointSpriteCoordReplace = false;
+
+    auto tie() const
+    {
+        return std::tie(mode, combineRgb, combineAlpha, src0Rgb, src0Alpha, src1Rgb, src1Alpha,
+                        src2Rgb, src2Alpha, op0Rgb, op0Alpha, op1Rgb, op1Alpha, op2Rgb, op2Alpha,
+                        color, rgbScale, alphaScale, pointSpriteCoordReplace);
+    }
+};
+
+bool operator==(const TextureEnvironmentParameters &a, const TextureEnvironmentParameters &b);
+bool operator!=(const TextureEnvironmentParameters &a, const TextureEnvironmentParameters &b);
+
+struct PointParameters
+{
+    PointParameters();
+    PointParameters(const PointParameters &other);
+
+    GLfloat pointSizeMin                    = 0.0f;
+    GLfloat pointSizeMax                    = 1.0f;
+    GLfloat pointFadeThresholdSize          = 1.0f;
+    angle::Vector3 pointDistanceAttenuation = {1.0f, 0.0f, 0.0f};
+    GLfloat pointSize                       = 1.0f;
+};
+
+struct ClipPlaneParameters
+{
+    ClipPlaneParameters();
+    ClipPlaneParameters(bool enabled, const angle::Vector4 &equation);
+    ClipPlaneParameters(const ClipPlaneParameters &other);
+    ClipPlaneParameters &operator=(const ClipPlaneParameters &other);
+
+    bool enabled;
+    angle::Vector4 equation;
+};
+
+class Context;
+class GLES1Renderer;
+class State;
+
+class GLES1State final : angle::NonCopyable
+{
+  public:
+    GLES1State();
+    ~GLES1State();
+
+    void initialize(const Context *context, const State *state);
+
+    void setAlphaFunc(AlphaTestFunc func, GLfloat ref);
+    void setClientTextureUnit(unsigned int unit);
+    unsigned int getClientTextureUnit() const;
+
+    void setCurrentColor(const ColorF &color);
+    const ColorF &getCurrentColor() const;
+
+    void setCurrentNormal(const angle::Vector3 &normal);
+    const angle::Vector3 &getCurrentNormal() const;
+
+    void setCurrentTextureCoords(unsigned int unit, const TextureCoordF &coords);
+    const TextureCoordF &getCurrentTextureCoords(unsigned int unit) const;
+
+    void setMatrixMode(MatrixType mode);
+    MatrixType getMatrixMode() const;
+
+    GLint getCurrentMatrixStackDepth(GLenum param) const;
+
+    void pushMatrix();
+    void popMatrix();
+
+    using MatrixStack = angle::FixedVector<angle::Mat4, Caps::GlobalMatrixStackDepth>;
+    MatrixStack &currentMatrixStack();
+    const MatrixStack &currentMatrixStack() const;
+    const MatrixStack &getMatrixStack(MatrixType mode) const;
+
+    const angle::Mat4 &getModelviewMatrix() const;
+
+    void loadMatrix(const angle::Mat4 &m);
+    void multMatrix(const angle::Mat4 &m);
+
+    void setLogicOpEnabled(bool enabled);
+    void setLogicOp(LogicalOperation opcodePacked);
+
+    void setClientStateEnabled(ClientVertexArrayType clientState, bool enable);
+    void setTexCoordArrayEnabled(unsigned int unit, bool enable);
+    bool isClientStateEnabled(ClientVertexArrayType clientState) const;
+    bool isTexCoordArrayEnabled(unsigned int unit) const;
+    bool isTextureTargetEnabled(unsigned int unit, const TextureType type) const;
+
+    LightModelParameters &lightModelParameters();
+    const LightModelParameters &lightModelParameters() const;
+
+    LightParameters &lightParameters(unsigned int light);
+    const LightParameters &lightParameters(unsigned int light) const;
+
+    MaterialParameters &materialParameters();
+    const MaterialParameters &materialParameters() const;
+    bool isColorMaterialEnabled() const;
+
+    void setShadeModel(ShadingModel model);
+
+    void setClipPlane(unsigned int plane, const GLfloat *equation);
+    void getClipPlane(unsigned int plane, GLfloat *equation) const;
+
+    FogParameters &fogParameters();
+    const FogParameters &fogParameters() const;
+
+    TextureEnvironmentParameters &textureEnvironment(unsigned int unit);
+    const TextureEnvironmentParameters &textureEnvironment(unsigned int unit) const;
+
+    PointParameters &pointParameters();
+    const PointParameters &pointParameters() const;
+
+    AttributesMask getVertexArraysAttributeMask() const;
+    AttributesMask getActiveAttributesMask() const;
+
+    bool shouldHandleDirtyProgram();
+
+    void setHint(GLenum target, GLenum mode);
+    GLenum getHint(GLenum target) const;
+
+    enum DirtyGles1Type
+    {
+        DIRTY_GLES1_TEXTURE_UNIT_ENABLE = 0,
+        DIRTY_GLES1_CLIENT_STATE_ENABLE,
+        DIRTY_GLES1_FEATURE_ENABLE,
+        DIRTY_GLES1_CURRENT_VECTOR,
+        DIRTY_GLES1_CLIENT_ACTIVE_TEXTURE,
+        DIRTY_GLES1_MATRICES,
+        DIRTY_GLES1_TEXTURE_ENVIRONMENT,
+        DIRTY_GLES1_MATERIAL,
+        DIRTY_GLES1_LIGHTS,
+        DIRTY_GLES1_FOG,
+        DIRTY_GLES1_SHADE_MODEL,
+        DIRTY_GLES1_POINT_PARAMETERS,
+        DIRTY_GLES1_ALPHA_TEST,
+        DIRTY_GLES1_LOGIC_OP,
+        DIRTY_GLES1_CLIP_PLANES,
+        DIRTY_GLES1_HINT_SETTING,
+        DIRTY_GLES1_PROGRAM,
+        DIRTY_GLES1_MAX,
+    };
+
+    void setAllDirty() { mDirtyBits.set(); }
+
+  private:
+    friend class State;
+    friend class GLES1Renderer;
+
+    // Back pointer for reading from State.
+    const State *mGLState;
+
+    using DirtyBits = angle::BitSet<DIRTY_GLES1_MAX>;
+    DirtyBits mDirtyBits;
+
+    void setDirty(DirtyGles1Type type) { mDirtyBits.set(type); }
+    void clearDirty() { mDirtyBits.reset(); }
+    void clearDirtyBits(const DirtyGles1Type &bitset) { mDirtyBits &= ~bitset; }
+    bool isDirty(DirtyGles1Type type) const { return mDirtyBits.test(type); }
+
+    // All initial state values come from the
+    // OpenGL ES 1.1 spec.
+    std::vector<angle::PackedEnumBitSet<TextureType>> mTexUnitEnables;
+
+    // Table 6.4, 6.5 (IsEnabled)
+    bool mVertexArrayEnabled;
+    bool mNormalArrayEnabled;
+    bool mColorArrayEnabled;
+    bool mPointSizeArrayEnabled;
+    std::vector<bool> mTexCoordArrayEnabled;
+
+    // Table 6.7-6.16 (IsEnabled)
+    bool mLineSmoothEnabled;
+    bool mPointSmoothEnabled;
+    bool mPointSpriteEnabled;
+    bool mAlphaTestEnabled;
+    bool mLogicOpEnabled;
+    bool mLightingEnabled;
+    bool mFogEnabled;
+    bool mRescaleNormalEnabled;
+    bool mNormalizeEnabled;
+    bool mColorMaterialEnabled;
+    bool mReflectionMapEnabled;
+
+    // Table 6.3
+    ColorF mCurrentColor;
+    angle::Vector3 mCurrentNormal;
+    // Invariant: mCurrentTextureCoords size is == GL_MAX_TEXTURE_UNITS.
+    std::vector<TextureCoordF> mCurrentTextureCoords;
+
+    // Table 6.4
+    unsigned int mClientActiveTexture;
+
+    // Table 6.7
+    MatrixType mMatrixMode;
+    MatrixStack mProjectionMatrices;
+    MatrixStack mModelviewMatrices;
+    std::vector<MatrixStack> mTextureMatrices;
+
+    // Table 6.15
+    using TextureEnvironments = std::vector<TextureEnvironmentParameters>;
+    TextureEnvironments mTextureEnvironments;
+
+    // Table 6.9, 2.8
+    MaterialParameters mMaterial;
+    LightModelParameters mLightModel;
+
+    // Table 6.10
+    std::vector<LightParameters> mLights;
+
+    // Table 6.8
+    FogParameters mFog;
+    ShadingModel mShadeModel;
+
+    // Table 6.11
+    PointParameters mPointParameters;
+
+    // Table 6.16
+    AlphaTestFunc mAlphaTestFunc;
+    GLfloat mAlphaTestRef;
+    LogicalOperation mLogicOp;
+
+    // Table 6.7
+    std::vector<ClipPlaneParameters> mClipPlanes;
+
+    // Table 6.19
+    HintSetting mLineSmoothHint;
+    HintSetting mPointSmoothHint;
+    HintSetting mPerspectiveCorrectionHint;
+    HintSetting mFogHint;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_GLES1STATE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/HandleAllocator.cpp b/gfx/angle/checkout/src/libANGLE/HandleAllocator.cpp
new file mode 100644
index 0000000000..ff49233e1d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/HandleAllocator.cpp
@@ -0,0 +1,184 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// HandleAllocator.cpp: Implements the gl::HandleAllocator class, which is used
+// to allocate GL handles.
+
+#include "libANGLE/HandleAllocator.h"
+
+#include <algorithm>
+#include <functional>
+#include <limits>
+
+#include "common/debug.h"
+
+namespace gl
+{
+
+struct HandleAllocator::HandleRangeComparator
+{
+    bool operator()(const HandleRange &range, GLuint handle) const { return (range.end < handle); }
+};
+
+HandleAllocator::HandleAllocator() : mBaseValue(1), mNextValue(1), mLoggingEnabled(false)
+{
+    mUnallocatedList.push_back(HandleRange(1, std::numeric_limits<GLuint>::max()));
+}
+
+HandleAllocator::HandleAllocator(GLuint maximumHandleValue)
+    : mBaseValue(1), mNextValue(1), mLoggingEnabled(false)
+{
+    mUnallocatedList.push_back(HandleRange(1, maximumHandleValue));
+}
+
+HandleAllocator::~HandleAllocator() {}
+
+void HandleAllocator::setBaseHandle(GLuint value)
+{
+    ASSERT(mBaseValue == mNextValue);
+    mBaseValue = value;
+    mNextValue = value;
+}
+
+GLuint HandleAllocator::allocate()
+{
+    ASSERT(!mUnallocatedList.empty() || !mReleasedList.empty());
+
+    // Allocate from released list, logarithmic time for pop_heap.
+    if (!mReleasedList.empty())
+    {
+        std::pop_heap(mReleasedList.begin(), mReleasedList.end(), std::greater<GLuint>());
+        GLuint reusedHandle = mReleasedList.back();
+        mReleasedList.pop_back();
+
+        if (mLoggingEnabled)
+        {
+            WARN() << "HandleAllocator::allocate reusing " << reusedHandle << std::endl;
+        }
+
+        return reusedHandle;
+    }
+
+    // Allocate from unallocated list, constant time.
+    auto listIt = mUnallocatedList.begin();
+
+    GLuint freeListHandle = listIt->begin;
+    ASSERT(freeListHandle > 0);
+
+    if (listIt->begin == listIt->end)
+    {
+        mUnallocatedList.erase(listIt);
+    }
+    else
+    {
+        listIt->begin++;
+    }
+
+    if (mLoggingEnabled)
+    {
+        WARN() << "HandleAllocator::allocate allocating " << freeListHandle << std::endl;
+    }
+
+    return freeListHandle;
+}
+
+void HandleAllocator::release(GLuint handle)
+{
+    if (mLoggingEnabled)
+    {
+        WARN() << "HandleAllocator::release releasing " << handle << std::endl;
+    }
+
+    // Try consolidating the ranges first.
+    for (HandleRange &handleRange : mUnallocatedList)
+    {
+        if (handleRange.begin - 1 == handle)
+        {
+            handleRange.begin--;
+            return;
+        }
+
+        if (handleRange.end == handle - 1)
+        {
+            handleRange.end++;
+            return;
+        }
+    }
+
+    // Add to released list, logarithmic time for push_heap.
+    mReleasedList.push_back(handle);
+    std::push_heap(mReleasedList.begin(), mReleasedList.end(), std::greater<GLuint>());
+}
+
+void HandleAllocator::reserve(GLuint handle)
+{
+    if (mLoggingEnabled)
+    {
+        WARN() << "HandleAllocator::reserve reserving " << handle << std::endl;
+    }
+
+    // Clear from released list -- might be a slow operation.
+    if (!mReleasedList.empty())
+    {
+        auto releasedIt = std::find(mReleasedList.begin(), mReleasedList.end(), handle);
+        if (releasedIt != mReleasedList.end())
+        {
+            mReleasedList.erase(releasedIt);
+            std::make_heap(mReleasedList.begin(), mReleasedList.end(), std::greater<GLuint>());
+            return;
+        }
+    }
+
+    // Not in released list, reserve in the unallocated list.
+    auto boundIt = std::lower_bound(mUnallocatedList.begin(), mUnallocatedList.end(), handle,
+                                    HandleRangeComparator());
+
+    ASSERT(boundIt != mUnallocatedList.end());
+
+    GLuint begin = boundIt->begin;
+    GLuint end   = boundIt->end;
+
+    if (handle == begin || handle == end)
+    {
+        if (begin == end)
+        {
+            mUnallocatedList.erase(boundIt);
+        }
+        else if (handle == begin)
+        {
+            boundIt->begin++;
+        }
+        else
+        {
+            ASSERT(handle == end);
+            boundIt->end--;
+        }
+        return;
+    }
+
+    ASSERT(begin < handle && handle < end);
+
+    // need to split the range
+    auto placementIt = mUnallocatedList.erase(boundIt);
+    placementIt      = mUnallocatedList.insert(placementIt, HandleRange(handle + 1, end));
+    mUnallocatedList.insert(placementIt, HandleRange(begin, handle - 1));
+}
+
+void HandleAllocator::reset()
+{
+    mUnallocatedList.clear();
+    mUnallocatedList.push_back(HandleRange(1, std::numeric_limits<GLuint>::max()));
+    mReleasedList.clear();
+    mBaseValue = 1;
+    mNextValue = 1;
+}
+
+void HandleAllocator::enableLogging(bool enabled)
+{
+    mLoggingEnabled = enabled;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/HandleAllocator.h b/gfx/angle/checkout/src/libANGLE/HandleAllocator.h
new file mode 100644
index 0000000000..985d1adaba
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/HandleAllocator.h
@@ -0,0 +1,65 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// HandleAllocator.h: Defines the gl::HandleAllocator class, which is used to
+// allocate GL handles.
+
+#ifndef LIBANGLE_HANDLEALLOCATOR_H_
+#define LIBANGLE_HANDLEALLOCATOR_H_
+
+#include "common/angleutils.h"
+
+#include "angle_gl.h"
+
+namespace gl
+{
+
+class HandleAllocator final : angle::NonCopyable
+{
+  public:
+    // Maximum handle = MAX_UINT-1
+    HandleAllocator();
+    // Specify maximum handle value. Used for testing.
+    HandleAllocator(GLuint maximumHandleValue);
+
+    ~HandleAllocator();
+
+    void setBaseHandle(GLuint value);
+
+    GLuint allocate();
+    void release(GLuint handle);
+    void reserve(GLuint handle);
+    void reset();
+
+    void enableLogging(bool enabled);
+
+  private:
+    GLuint mBaseValue;
+    GLuint mNextValue;
+
+    // Represents an inclusive range [begin, end]
+    struct HandleRange
+    {
+        HandleRange(GLuint beginIn, GLuint endIn) : begin(beginIn), end(endIn) {}
+
+        GLuint begin;
+        GLuint end;
+    };
+
+    struct HandleRangeComparator;
+
+    // The freelist consists of never-allocated handles, stored
+    // as ranges, and handles that were previously allocated and
+    // released, stored in a heap.
+    std::vector<HandleRange> mUnallocatedList;
+    std::vector<GLuint> mReleasedList;
+
+    bool mLoggingEnabled;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_HANDLEALLOCATOR_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Image.cpp b/gfx/angle/checkout/src/libANGLE/Image.cpp
new file mode 100644
index 0000000000..6292b5ee46
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Image.cpp
@@ -0,0 +1,581 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image.cpp: Implements the egl::Image class representing the EGLimage object.
+
+#include "libANGLE/Image.h"
+
+#include "common/debug.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/EGLImplFactory.h"
+#include "libANGLE/renderer/ImageImpl.h"
+
+namespace egl
+{
+
+namespace
+{
+gl::ImageIndex GetImageIndex(EGLenum eglTarget, const egl::AttributeMap &attribs)
+{
+    if (!IsTextureTarget(eglTarget))
+    {
+        return gl::ImageIndex();
+    }
+
+    gl::TextureTarget target = egl_gl::EGLImageTargetToTextureTarget(eglTarget);
+    GLint mip                = static_cast<GLint>(attribs.get(EGL_GL_TEXTURE_LEVEL_KHR, 0));
+    GLint layer              = static_cast<GLint>(attribs.get(EGL_GL_TEXTURE_ZOFFSET_KHR, 0));
+
+    if (target == gl::TextureTarget::_3D)
+    {
+        return gl::ImageIndex::Make3D(mip, layer);
+    }
+    else
+    {
+        ASSERT(layer == 0);
+        return gl::ImageIndex::MakeFromTarget(target, mip, 1);
+    }
+}
+
+const Display *DisplayFromContext(const gl::Context *context)
+{
+    return (context ? context->getDisplay() : nullptr);
+}
+
+angle::SubjectIndex kExternalImageImplSubjectIndex = 0;
+}  // anonymous namespace
+
+ImageSibling::ImageSibling() : FramebufferAttachmentObject(), mSourcesOf(), mTargetOf() {}
+
+ImageSibling::~ImageSibling()
+{
+    // EGL images should hold a ref to their targets and siblings, a Texture should not be deletable
+    // while it is attached to an EGL image.
+    // Child class should orphan images before destruction.
+    ASSERT(mSourcesOf.empty());
+    ASSERT(mTargetOf.get() == nullptr);
+}
+
+void ImageSibling::setTargetImage(const gl::Context *context, egl::Image *imageTarget)
+{
+    ASSERT(imageTarget != nullptr);
+    mTargetOf.set(DisplayFromContext(context), imageTarget);
+    imageTarget->addTargetSibling(this);
+}
+
+angle::Result ImageSibling::orphanImages(const gl::Context *context,
+                                         RefCountObjectReleaser<Image> *outReleaseImage)
+{
+    ASSERT(outReleaseImage != nullptr);
+
+    if (mTargetOf.get() != nullptr)
+    {
+        // Can't be a target and have sources.
+        ASSERT(mSourcesOf.empty());
+
+        ANGLE_TRY(mTargetOf->orphanSibling(context, this));
+        *outReleaseImage = mTargetOf.set(DisplayFromContext(context), nullptr);
+    }
+    else
+    {
+        for (Image *sourceImage : mSourcesOf)
+        {
+            ANGLE_TRY(sourceImage->orphanSibling(context, this));
+        }
+        mSourcesOf.clear();
+    }
+
+    return angle::Result::Continue;
+}
+
+void ImageSibling::addImageSource(egl::Image *imageSource)
+{
+    ASSERT(imageSource != nullptr);
+    mSourcesOf.insert(imageSource);
+}
+
+void ImageSibling::removeImageSource(egl::Image *imageSource)
+{
+    ASSERT(mSourcesOf.find(imageSource) != mSourcesOf.end());
+    mSourcesOf.erase(imageSource);
+}
+
+bool ImageSibling::isEGLImageTarget() const
+{
+    return (mTargetOf.get() != nullptr);
+}
+
+gl::InitState ImageSibling::sourceEGLImageInitState() const
+{
+    ASSERT(isEGLImageTarget());
+    return mTargetOf->sourceInitState();
+}
+
+void ImageSibling::setSourceEGLImageInitState(gl::InitState initState) const
+{
+    ASSERT(isEGLImageTarget());
+    mTargetOf->setInitState(initState);
+}
+
+bool ImageSibling::isRenderable(const gl::Context *context,
+                                GLenum binding,
+                                const gl::ImageIndex &imageIndex) const
+{
+    ASSERT(isEGLImageTarget());
+    return mTargetOf->isRenderable(context);
+}
+
+bool ImageSibling::isYUV() const
+{
+    return mTargetOf.get() && mTargetOf->isYUV();
+}
+
+bool ImageSibling::isCreatedWithAHB() const
+{
+    return mTargetOf.get() && mTargetOf->isCreatedWithAHB();
+}
+
+bool ImageSibling::hasProtectedContent() const
+{
+    return mTargetOf.get() && mTargetOf->hasProtectedContent();
+}
+
+void ImageSibling::notifySiblings(angle::SubjectMessage message)
+{
+    if (mTargetOf.get())
+    {
+        mTargetOf->notifySiblings(this, message);
+    }
+    for (Image *source : mSourcesOf)
+    {
+        source->notifySiblings(this, message);
+    }
+}
+
+ExternalImageSibling::ExternalImageSibling(rx::EGLImplFactory *factory,
+                                           const gl::Context *context,
+                                           EGLenum target,
+                                           EGLClientBuffer buffer,
+                                           const AttributeMap &attribs)
+    : mImplementation(factory->createExternalImageSibling(context, target, buffer, attribs)),
+      mImplObserverBinding(this, kExternalImageImplSubjectIndex)
+{
+    mImplObserverBinding.bind(mImplementation.get());
+}
+
+ExternalImageSibling::~ExternalImageSibling() = default;
+
+void ExternalImageSibling::onDestroy(const egl::Display *display)
+{
+    mImplementation->onDestroy(display);
+}
+
+Error ExternalImageSibling::initialize(const egl::Display *display)
+{
+    return mImplementation->initialize(display);
+}
+
+gl::Extents ExternalImageSibling::getAttachmentSize(const gl::ImageIndex &imageIndex) const
+{
+    return mImplementation->getSize();
+}
+
+gl::Format ExternalImageSibling::getAttachmentFormat(GLenum binding,
+                                                     const gl::ImageIndex &imageIndex) const
+{
+    return mImplementation->getFormat();
+}
+
+GLsizei ExternalImageSibling::getAttachmentSamples(const gl::ImageIndex &imageIndex) const
+{
+    return static_cast<GLsizei>(mImplementation->getSamples());
+}
+
+GLuint ExternalImageSibling::getLevelCount() const
+{
+    return static_cast<GLuint>(mImplementation->getLevelCount());
+}
+
+bool ExternalImageSibling::isRenderable(const gl::Context *context,
+                                        GLenum binding,
+                                        const gl::ImageIndex &imageIndex) const
+{
+    return mImplementation->isRenderable(context);
+}
+
+bool ExternalImageSibling::isTextureable(const gl::Context *context) const
+{
+    return mImplementation->isTexturable(context);
+}
+
+bool ExternalImageSibling::isYUV() const
+{
+    return mImplementation->isYUV();
+}
+
+bool ExternalImageSibling::isCubeMap() const
+{
+    return mImplementation->isCubeMap();
+}
+
+bool ExternalImageSibling::hasProtectedContent() const
+{
+    return mImplementation->hasProtectedContent();
+}
+
+void ExternalImageSibling::onAttach(const gl::Context *context, rx::Serial framebufferSerial) {}
+
+void ExternalImageSibling::onDetach(const gl::Context *context, rx::Serial framebufferSerial) {}
+
+GLuint ExternalImageSibling::getId() const
+{
+    UNREACHABLE();
+    return 0;
+}
+
+gl::InitState ExternalImageSibling::initState(GLenum binding,
+                                              const gl::ImageIndex &imageIndex) const
+{
+    return gl::InitState::Initialized;
+}
+
+void ExternalImageSibling::setInitState(GLenum binding,
+                                        const gl::ImageIndex &imageIndex,
+                                        gl::InitState initState)
+{}
+
+rx::ExternalImageSiblingImpl *ExternalImageSibling::getImplementation() const
+{
+    return mImplementation.get();
+}
+
+void ExternalImageSibling::onSubjectStateChange(angle::SubjectIndex index,
+                                                angle::SubjectMessage message)
+{
+    onStateChange(message);
+}
+
+rx::FramebufferAttachmentObjectImpl *ExternalImageSibling::getAttachmentImpl() const
+{
+    return mImplementation.get();
+}
+
+ImageState::ImageState(EGLenum target, ImageSibling *buffer, const AttributeMap &attribs)
+    : label(nullptr),
+      target(target),
+      imageIndex(GetImageIndex(target, attribs)),
+      source(buffer),
+      format(GL_NONE),
+      yuv(false),
+      cubeMap(false),
+      size(),
+      samples(),
+      levelCount(1),
+      sourceType(target),
+      colorspace(
+          static_cast<EGLenum>(attribs.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_DEFAULT_EXT))),
+      hasProtectedContent(static_cast<bool>(attribs.get(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE)))
+{}
+
+ImageState::~ImageState() {}
+
+Image::Image(rx::EGLImplFactory *factory,
+             const gl::Context *context,
+             EGLenum target,
+             ImageSibling *buffer,
+             const AttributeMap &attribs)
+    : mState(target, buffer, attribs),
+      mImplementation(factory->createImage(mState, context, target, attribs)),
+      mOrphanedAndNeedsInit(false)
+{
+    ASSERT(mImplementation != nullptr);
+    ASSERT(buffer != nullptr);
+
+    mState.source->addImageSource(this);
+}
+
+void Image::onDestroy(const Display *display)
+{
+    // All targets should hold a ref to the egl image and it should not be deleted until there are
+    // no siblings left.
+    ASSERT([&] {
+        std::unique_lock lock(mState.targetsLock);
+        return mState.targets.empty();
+    }());
+
+    // Make sure the implementation gets a chance to clean up before we delete the source.
+    mImplementation->onDestroy(display);
+
+    // Tell the source that it is no longer used by this image
+    if (mState.source != nullptr)
+    {
+        mState.source->removeImageSource(this);
+
+        // If the source is an external object, delete it
+        if (IsExternalImageTarget(mState.sourceType))
+        {
+            ExternalImageSibling *externalSibling = rx::GetAs<ExternalImageSibling>(mState.source);
+            externalSibling->onDestroy(display);
+            delete externalSibling;
+        }
+
+        mState.source = nullptr;
+    }
+}
+
+Image::~Image()
+{
+    SafeDelete(mImplementation);
+}
+
+void Image::setLabel(EGLLabelKHR label)
+{
+    mState.label = label;
+}
+
+EGLLabelKHR Image::getLabel() const
+{
+    return mState.label;
+}
+
+void Image::addTargetSibling(ImageSibling *sibling)
+{
+    std::unique_lock lock(mState.targetsLock);
+    mState.targets.insert(sibling);
+}
+
+angle::Result Image::orphanSibling(const gl::Context *context, ImageSibling *sibling)
+{
+    ASSERT(sibling != nullptr);
+
+    // notify impl
+    ANGLE_TRY(mImplementation->orphan(context, sibling));
+
+    if (mState.source == sibling)
+    {
+        // The external source of an image cannot be redefined so it cannot be orphaned.
+        ASSERT(!IsExternalImageTarget(mState.sourceType));
+
+        // If the sibling is the source, it cannot be a target.
+        ASSERT([&] {
+            std::unique_lock lock(mState.targetsLock);
+            return mState.targets.find(sibling) == mState.targets.end();
+        }());
+        mState.source = nullptr;
+        mOrphanedAndNeedsInit =
+            (sibling->initState(GL_NONE, mState.imageIndex) == gl::InitState::MayNeedInit);
+    }
+    else
+    {
+        std::unique_lock lock(mState.targetsLock);
+        mState.targets.erase(sibling);
+    }
+
+    return angle::Result::Continue;
+}
+
+const gl::Format &Image::getFormat() const
+{
+    return mState.format;
+}
+
+bool Image::isRenderable(const gl::Context *context) const
+{
+    if (IsTextureTarget(mState.sourceType))
+    {
+        return mState.format.info->textureAttachmentSupport(context->getClientVersion(),
+                                                            context->getExtensions());
+    }
+    else if (IsRenderbufferTarget(mState.sourceType))
+    {
+        return mState.format.info->renderbufferSupport(context->getClientVersion(),
+                                                       context->getExtensions());
+    }
+    else if (IsExternalImageTarget(mState.sourceType))
+    {
+        ASSERT(mState.source != nullptr);
+        return mState.source->isRenderable(context, GL_NONE, gl::ImageIndex());
+    }
+
+    UNREACHABLE();
+    return false;
+}
+
+bool Image::isTexturable(const gl::Context *context) const
+{
+    if (IsTextureTarget(mState.sourceType))
+    {
+        return mState.format.info->textureSupport(context->getClientVersion(),
+                                                  context->getExtensions());
+    }
+    else if (IsRenderbufferTarget(mState.sourceType))
+    {
+        return true;
+    }
+    else if (IsExternalImageTarget(mState.sourceType))
+    {
+        ASSERT(mState.source != nullptr);
+        return rx::GetAs<ExternalImageSibling>(mState.source)->isTextureable(context);
+    }
+
+    UNREACHABLE();
+    return false;
+}
+
+bool Image::isYUV() const
+{
+    return mState.yuv;
+}
+
+bool Image::isCreatedWithAHB() const
+{
+    return mState.target == EGL_NATIVE_BUFFER_ANDROID;
+}
+
+bool Image::isCubeMap() const
+{
+    return mState.cubeMap;
+}
+
+size_t Image::getWidth() const
+{
+    return mState.size.width;
+}
+
+size_t Image::getHeight() const
+{
+    return mState.size.height;
+}
+
+const gl::Extents &Image::getExtents() const
+{
+    return mState.size;
+}
+
+bool Image::isLayered() const
+{
+    return mState.imageIndex.isLayered();
+}
+
+size_t Image::getSamples() const
+{
+    return mState.samples;
+}
+
+GLuint Image::getLevelCount() const
+{
+    return mState.levelCount;
+}
+
+bool Image::hasProtectedContent() const
+{
+    return mState.hasProtectedContent;
+}
+
+rx::ImageImpl *Image::getImplementation() const
+{
+    return mImplementation;
+}
+
+Error Image::initialize(const Display *display)
+{
+    if (IsExternalImageTarget(mState.sourceType))
+    {
+        ExternalImageSibling *externalSibling = rx::GetAs<ExternalImageSibling>(mState.source);
+        ANGLE_TRY(externalSibling->initialize(display));
+
+        mState.hasProtectedContent = externalSibling->hasProtectedContent();
+        mState.levelCount          = externalSibling->getLevelCount();
+        mState.cubeMap             = externalSibling->isCubeMap();
+
+        // External siblings can be YUV
+        mState.yuv = externalSibling->isYUV();
+    }
+
+    mState.format = mState.source->getAttachmentFormat(GL_NONE, mState.imageIndex);
+
+    if (mState.colorspace != EGL_GL_COLORSPACE_DEFAULT_EXT)
+    {
+        GLenum nonLinearFormat = mState.format.info->sizedInternalFormat;
+        if (!gl::ColorspaceFormatOverride(mState.colorspace, &nonLinearFormat))
+        {
+            // the colorspace format is not supported
+            return egl::EglBadMatch();
+        }
+        mState.format = gl::Format(nonLinearFormat);
+    }
+
+    if (!IsExternalImageTarget(mState.sourceType))
+    {
+        // Account for the fact that GL_ANGLE_yuv_internal_format extension maybe enabled,
+        // in which case the internal format itself could be YUV.
+        mState.yuv = gl::IsYuvFormat(mState.format.info->sizedInternalFormat);
+    }
+
+    mState.size    = mState.source->getAttachmentSize(mState.imageIndex);
+    mState.samples = mState.source->getAttachmentSamples(mState.imageIndex);
+
+    if (IsTextureTarget(mState.sourceType))
+    {
+        mState.size.depth = 1;
+    }
+
+    return mImplementation->initialize(display);
+}
+
+bool Image::orphaned() const
+{
+    return (mState.source == nullptr);
+}
+
+gl::InitState Image::sourceInitState() const
+{
+    if (orphaned())
+    {
+        return mOrphanedAndNeedsInit ? gl::InitState::MayNeedInit : gl::InitState::Initialized;
+    }
+
+    return mState.source->initState(GL_NONE, mState.imageIndex);
+}
+
+void Image::setInitState(gl::InitState initState)
+{
+    if (orphaned())
+    {
+        mOrphanedAndNeedsInit = false;
+    }
+
+    return mState.source->setInitState(GL_NONE, mState.imageIndex, initState);
+}
+
+Error Image::exportVkImage(void *vkImage, void *vkImageCreateInfo)
+{
+    return mImplementation->exportVkImage(vkImage, vkImageCreateInfo);
+}
+
+void Image::notifySiblings(const ImageSibling *notifier, angle::SubjectMessage message)
+{
+    if (mState.source && mState.source != notifier)
+    {
+        mState.source->onSubjectStateChange(rx::kTextureImageSiblingMessageIndex, message);
+    }
+
+    std::unique_lock lock(mState.targetsLock);
+    for (ImageSibling *target : mState.targets)
+    {
+        if (target != notifier)
+        {
+            target->onSubjectStateChange(rx::kTextureImageSiblingMessageIndex, message);
+        }
+    }
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Image.h b/gfx/angle/checkout/src/libANGLE/Image.h
new file mode 100644
index 0000000000..7c1747f804
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Image.h
@@ -0,0 +1,216 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image.h: Defines the egl::Image class representing the EGLimage object.
+
+#ifndef LIBANGLE_IMAGE_H_
+#define LIBANGLE_IMAGE_H_
+
+#include "common/FastVector.h"
+#include "common/angleutils.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/formatutils.h"
+
+namespace rx
+{
+class EGLImplFactory;
+class ImageImpl;
+class ExternalImageSiblingImpl;
+
+// Used for distinguishing dirty bit messages from gl::Texture/rx::TexureImpl/gl::Image.
+constexpr size_t kTextureImageImplObserverMessageIndex = 0;
+constexpr size_t kTextureImageSiblingMessageIndex      = 1;
+}  // namespace rx
+
+namespace egl
+{
+class Image;
+class Display;
+
+// Only currently Renderbuffers and Textures can be bound with images. This makes the relationship
+// explicit, and also ensures that an image sibling can determine if it's been initialized or not,
+// which is important for the robust resource init extension with Textures and EGLImages.
+class ImageSibling : public gl::FramebufferAttachmentObject
+{
+  public:
+    ImageSibling();
+    ~ImageSibling() override;
+
+    bool isEGLImageTarget() const;
+    gl::InitState sourceEGLImageInitState() const;
+    void setSourceEGLImageInitState(gl::InitState initState) const;
+
+    bool isRenderable(const gl::Context *context,
+                      GLenum binding,
+                      const gl::ImageIndex &imageIndex) const override;
+    bool isYUV() const override;
+    bool isCreatedWithAHB() const override;
+    bool hasProtectedContent() const override;
+
+  protected:
+    // Set the image target of this sibling
+    void setTargetImage(const gl::Context *context, egl::Image *imageTarget);
+
+    // Orphan all EGL image sources and targets
+    angle::Result orphanImages(const gl::Context *context,
+                               RefCountObjectReleaser<Image> *outReleaseImage);
+
+    void notifySiblings(angle::SubjectMessage message);
+
+  private:
+    friend class Image;
+
+    // Called from Image only to add a new source image
+    void addImageSource(egl::Image *imageSource);
+
+    // Called from Image only to remove a source image when the Image is being deleted
+    void removeImageSource(egl::Image *imageSource);
+
+    static constexpr size_t kSourcesOfSetSize = 2;
+    angle::FlatUnorderedSet<Image *, kSourcesOfSetSize> mSourcesOf;
+    BindingPointer<Image> mTargetOf;
+};
+
+// Wrapper for EGLImage sources that are not owned by ANGLE, these often have to do
+// platform-specific queries for format and size information.
+class ExternalImageSibling : public ImageSibling
+{
+  public:
+    ExternalImageSibling(rx::EGLImplFactory *factory,
+                         const gl::Context *context,
+                         EGLenum target,
+                         EGLClientBuffer buffer,
+                         const AttributeMap &attribs);
+    ~ExternalImageSibling() override;
+
+    void onDestroy(const egl::Display *display);
+
+    Error initialize(const Display *display);
+
+    gl::Extents getAttachmentSize(const gl::ImageIndex &imageIndex) const override;
+    gl::Format getAttachmentFormat(GLenum binding, const gl::ImageIndex &imageIndex) const override;
+    GLsizei getAttachmentSamples(const gl::ImageIndex &imageIndex) const override;
+    GLuint getLevelCount() const;
+    bool isRenderable(const gl::Context *context,
+                      GLenum binding,
+                      const gl::ImageIndex &imageIndex) const override;
+    bool isTextureable(const gl::Context *context) const;
+    bool isYUV() const override;
+    bool isCubeMap() const;
+    bool hasProtectedContent() const override;
+
+    void onAttach(const gl::Context *context, rx::Serial framebufferSerial) override;
+    void onDetach(const gl::Context *context, rx::Serial framebufferSerial) override;
+    GLuint getId() const override;
+
+    gl::InitState initState(GLenum binding, const gl::ImageIndex &imageIndex) const override;
+    void setInitState(GLenum binding,
+                      const gl::ImageIndex &imageIndex,
+                      gl::InitState initState) override;
+
+    rx::ExternalImageSiblingImpl *getImplementation() const;
+
+  protected:
+    rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override;
+
+  private:
+    // ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    std::unique_ptr<rx::ExternalImageSiblingImpl> mImplementation;
+    angle::ObserverBinding mImplObserverBinding;
+};
+
+struct ImageState : private angle::NonCopyable
+{
+    ImageState(EGLenum target, ImageSibling *buffer, const AttributeMap &attribs);
+    ~ImageState();
+
+    EGLLabelKHR label;
+    EGLenum target;
+    gl::ImageIndex imageIndex;
+    ImageSibling *source;
+
+    gl::Format format;
+    bool yuv;
+    bool cubeMap;
+    gl::Extents size;
+    size_t samples;
+    GLuint levelCount;
+    EGLenum sourceType;
+    EGLenum colorspace;
+    bool hasProtectedContent;
+
+    mutable std::mutex targetsLock;
+
+    static constexpr size_t kTargetsSetSize = 2;
+    angle::FlatUnorderedSet<ImageSibling *, kTargetsSetSize> targets;
+};
+
+class Image final : public RefCountObject, public LabeledObject
+{
+  public:
+    Image(rx::EGLImplFactory *factory,
+          const gl::Context *context,
+          EGLenum target,
+          ImageSibling *buffer,
+          const AttributeMap &attribs);
+
+    void onDestroy(const Display *display) override;
+    ~Image() override;
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    const gl::Format &getFormat() const;
+    bool isRenderable(const gl::Context *context) const;
+    bool isTexturable(const gl::Context *context) const;
+    bool isYUV() const;
+    bool isCreatedWithAHB() const;
+    // Returns true only if the eglImage contains a complete cubemap
+    bool isCubeMap() const;
+    size_t getWidth() const;
+    size_t getHeight() const;
+    const gl::Extents &getExtents() const;
+    bool isLayered() const;
+    size_t getSamples() const;
+    GLuint getLevelCount() const;
+    bool hasProtectedContent() const;
+
+    Error initialize(const Display *display);
+
+    rx::ImageImpl *getImplementation() const;
+
+    bool orphaned() const;
+    gl::InitState sourceInitState() const;
+    void setInitState(gl::InitState initState);
+
+    Error exportVkImage(void *vkImage, void *vkImageCreateInfo);
+
+  private:
+    friend class ImageSibling;
+
+    // Called from ImageSibling only notify the image that a new target sibling exists for state
+    // tracking.
+    void addTargetSibling(ImageSibling *sibling);
+
+    // Called from ImageSibling only to notify the image that a sibling (source or target) has
+    // been respecified and state tracking should be updated.
+    angle::Result orphanSibling(const gl::Context *context, ImageSibling *sibling);
+
+    void notifySiblings(const ImageSibling *notifier, angle::SubjectMessage message);
+
+    ImageState mState;
+    rx::ImageImpl *mImplementation;
+    bool mOrphanedAndNeedsInit;
+};
+}  // namespace egl
+
+#endif  // LIBANGLE_IMAGE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/ImageIndex.cpp b/gfx/angle/checkout/src/libANGLE/ImageIndex.cpp
new file mode 100644
index 0000000000..55e0393fa4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ImageIndex.cpp
@@ -0,0 +1,388 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ImageIndex.cpp: Implementation for ImageIndex methods.
+
+#include "libANGLE/ImageIndex.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/angletypes.h"
+
+#include <tuple>
+
+namespace gl
+{
+namespace
+{
+GLint TextureTargetToLayer(TextureTarget target)
+{
+    switch (target)
+    {
+        case TextureTarget::CubeMapPositiveX:
+            return 0;
+        case TextureTarget::CubeMapNegativeX:
+            return 1;
+        case TextureTarget::CubeMapPositiveY:
+            return 2;
+        case TextureTarget::CubeMapNegativeY:
+            return 3;
+        case TextureTarget::CubeMapPositiveZ:
+            return 4;
+        case TextureTarget::CubeMapNegativeZ:
+            return 5;
+        case TextureTarget::External:
+        case TextureTarget::Rectangle:
+        case TextureTarget::_2D:
+        case TextureTarget::VideoImage:
+        case TextureTarget::_2DArray:
+        case TextureTarget::_2DMultisample:
+        case TextureTarget::_2DMultisampleArray:
+        case TextureTarget::_3D:
+        case TextureTarget::Buffer:
+        case TextureTarget::CubeMapArray:
+            return ImageIndex::kEntireLevel;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+bool IsArrayTarget(TextureTarget target)
+{
+    switch (target)
+    {
+        case TextureTarget::_2DArray:
+        case TextureTarget::_2DMultisampleArray:
+        case TextureTarget::CubeMapArray:
+            return true;
+        default:
+            return false;
+    }
+}
+}  // anonymous namespace
+
+TextureTarget TextureTypeToTarget(TextureType type, GLint layerIndex)
+{
+    if (type == TextureType::CubeMap)
+    {
+        // As GL_TEXTURE_CUBE_MAP cannot be a texture target in texImage*D APIs, so we don't allow
+        // an entire cube map to have a texture target.
+        ASSERT(layerIndex != ImageIndex::kEntireLevel);
+        return CubeFaceIndexToTextureTarget(layerIndex);
+    }
+    else
+    {
+        return NonCubeTextureTypeToTarget(type);
+    }
+}
+
+ImageIndex::ImageIndex()
+    : mType(TextureType::InvalidEnum), mLevelIndex(0), mLayerIndex(0), mLayerCount(kEntireLevel)
+{}
+
+ImageIndex::ImageIndex(const ImageIndex &other) = default;
+
+ImageIndex &ImageIndex::operator=(const ImageIndex &other) = default;
+
+bool ImageIndex::hasLayer() const
+{
+    return mLayerIndex != kEntireLevel;
+}
+
+bool ImageIndex::isLayered() const
+{
+    switch (mType)
+    {
+        case TextureType::_2DArray:
+        case TextureType::_2DMultisampleArray:
+        case TextureType::CubeMap:
+        case TextureType::_3D:
+        case TextureType::CubeMapArray:
+            return mLayerIndex == kEntireLevel;
+        default:
+            return false;
+    }
+}
+
+bool ImageIndex::has3DLayer() const
+{
+    // It's quicker to check != CubeMap than calling usesTex3D, which checks multiple types. This
+    // ASSERT validates the check gives the same result.
+    ASSERT(!hasLayer() || ((mType != TextureType::CubeMap) == usesTex3D()));
+    return (hasLayer() && mType != TextureType::CubeMap);
+}
+
+bool ImageIndex::usesTex3D() const
+{
+    return mType == TextureType::_3D || mType == TextureType::_2DArray ||
+           mType == TextureType::_2DMultisampleArray || mType == TextureType::CubeMapArray;
+}
+
+TextureTarget ImageIndex::getTarget() const
+{
+    return TextureTypeToTarget(mType, mLayerIndex);
+}
+
+gl::TextureTarget ImageIndex::getTargetOrFirstCubeFace() const
+{
+    if (isEntireLevelCubeMap())
+    {
+        return gl::kCubeMapTextureTargetMin;
+    }
+    else
+    {
+        return getTarget();
+    }
+}
+
+GLint ImageIndex::cubeMapFaceIndex() const
+{
+    ASSERT(mType == TextureType::CubeMap);
+    ASSERT(mLayerIndex == kEntireLevel || mLayerIndex < static_cast<GLint>(kCubeFaceCount));
+    return mLayerIndex;
+}
+
+bool ImageIndex::valid() const
+{
+    return mType != TextureType::InvalidEnum;
+}
+
+bool ImageIndex::isEntireLevelCubeMap() const
+{
+    return mType == TextureType::CubeMap && mLayerIndex == ImageIndex::kEntireLevel;
+}
+
+ImageIndex ImageIndex::Make2D(GLint levelIndex)
+{
+    return ImageIndex(TextureType::_2D, levelIndex, kEntireLevel, 1);
+}
+
+ImageIndex ImageIndex::MakeRectangle(GLint levelIndex)
+{
+    return ImageIndex(TextureType::Rectangle, levelIndex, kEntireLevel, 1);
+}
+
+ImageIndex ImageIndex::MakeCubeMapFace(TextureTarget target, GLint levelIndex)
+{
+    ASSERT(IsCubeMapFaceTarget(target));
+    return ImageIndex(TextureType::CubeMap, levelIndex, TextureTargetToLayer(target), 1);
+}
+
+ImageIndex ImageIndex::Make2DArray(GLint levelIndex, GLint layerIndex)
+{
+    return ImageIndex(TextureType::_2DArray, levelIndex, layerIndex, 1);
+}
+
+ImageIndex ImageIndex::Make2DArrayRange(GLint levelIndex, GLint layerIndex, GLint numLayers)
+{
+    return ImageIndex(TextureType::_2DArray, levelIndex, layerIndex, numLayers);
+}
+
+ImageIndex ImageIndex::Make3D(GLint levelIndex, GLint layerIndex)
+{
+    return ImageIndex(TextureType::_3D, levelIndex, layerIndex, 1);
+}
+
+ImageIndex ImageIndex::MakeFromTarget(TextureTarget target, GLint levelIndex, GLint depth)
+{
+    return ImageIndex(TextureTargetToType(target), levelIndex, TextureTargetToLayer(target),
+                      IsArrayTarget(target) ? depth : 1);
+}
+
+ImageIndex ImageIndex::MakeFromType(TextureType type,
+                                    GLint levelIndex,
+                                    GLint layerIndex,
+                                    GLint layerCount)
+{
+    GLint overrideLayerCount =
+        (type == TextureType::CubeMap && layerIndex == kEntireLevel ? kCubeFaceCount : layerCount);
+    return ImageIndex(type, levelIndex, layerIndex, overrideLayerCount);
+}
+
+ImageIndex ImageIndex::MakeBuffer()
+{
+    return ImageIndex(TextureType::Buffer, 0, kEntireLevel, 1);
+}
+
+ImageIndex ImageIndex::Make2DMultisample()
+{
+    return ImageIndex(TextureType::_2DMultisample, 0, kEntireLevel, 1);
+}
+
+ImageIndex ImageIndex::Make2DMultisampleArray(GLint layerIndex)
+{
+    return ImageIndex(TextureType::_2DMultisampleArray, 0, layerIndex, 1);
+}
+
+ImageIndex ImageIndex::Make2DMultisampleArrayRange(GLint layerIndex, GLint numLayers)
+{
+    return ImageIndex(TextureType::_2DMultisampleArray, 0, layerIndex, numLayers);
+}
+
+bool ImageIndex::operator<(const ImageIndex &b) const
+{
+    return std::tie(mType, mLevelIndex, mLayerIndex, mLayerCount) <
+           std::tie(b.mType, b.mLevelIndex, b.mLayerIndex, b.mLayerCount);
+}
+
+bool ImageIndex::operator==(const ImageIndex &b) const
+{
+    return std::tie(mType, mLevelIndex, mLayerIndex, mLayerCount) ==
+           std::tie(b.mType, b.mLevelIndex, b.mLayerIndex, b.mLayerCount);
+}
+
+bool ImageIndex::operator!=(const ImageIndex &b) const
+{
+    return !(*this == b);
+}
+
+ImageIndex::ImageIndex(TextureType type, GLint levelIndex, GLint layerIndex, GLint layerCount)
+    : mType(type), mLevelIndex(levelIndex), mLayerIndex(layerIndex), mLayerCount(layerCount)
+{}
+
+ImageIndexIterator ImageIndex::getLayerIterator(GLint layerCount) const
+{
+    ASSERT(mType != TextureType::_2D && !hasLayer());
+    return ImageIndexIterator::MakeGeneric(mType, mLevelIndex, mLevelIndex + 1, 0, layerCount);
+}
+
+ImageIndexIterator::ImageIndexIterator(const ImageIndexIterator &other) = default;
+
+ImageIndexIterator ImageIndexIterator::Make2D(GLint minMip, GLint maxMip)
+{
+    return ImageIndexIterator(TextureType::_2D, Range<GLint>(minMip, maxMip),
+                              Range<GLint>(ImageIndex::kEntireLevel, ImageIndex::kEntireLevel),
+                              nullptr);
+}
+
+ImageIndexIterator ImageIndexIterator::MakeRectangle(GLint minMip, GLint maxMip)
+{
+    return ImageIndexIterator(TextureType::Rectangle, Range<GLint>(minMip, maxMip),
+                              Range<GLint>(ImageIndex::kEntireLevel, ImageIndex::kEntireLevel),
+                              nullptr);
+}
+
+ImageIndexIterator ImageIndexIterator::MakeCube(GLint minMip, GLint maxMip)
+{
+    return ImageIndexIterator(TextureType::CubeMap, Range<GLint>(minMip, maxMip),
+                              Range<GLint>(0, 6), nullptr);
+}
+
+ImageIndexIterator ImageIndexIterator::Make3D(GLint minMip,
+                                              GLint maxMip,
+                                              GLint minLayer,
+                                              GLint maxLayer)
+{
+    return ImageIndexIterator(TextureType::_3D, Range<GLint>(minMip, maxMip),
+                              Range<GLint>(minLayer, maxLayer), nullptr);
+}
+
+ImageIndexIterator ImageIndexIterator::Make2DArray(GLint minMip,
+                                                   GLint maxMip,
+                                                   const GLsizei *layerCounts)
+{
+    return ImageIndexIterator(TextureType::_2DArray, Range<GLint>(minMip, maxMip),
+                              Range<GLint>(0, IMPLEMENTATION_MAX_2D_ARRAY_TEXTURE_LAYERS),
+                              layerCounts);
+}
+
+ImageIndexIterator ImageIndexIterator::Make2DMultisample()
+{
+    return ImageIndexIterator(TextureType::_2DMultisample, Range<GLint>(0, 1),
+                              Range<GLint>(ImageIndex::kEntireLevel, ImageIndex::kEntireLevel),
+                              nullptr);
+}
+
+ImageIndexIterator ImageIndexIterator::MakeBuffer()
+{
+    return ImageIndexIterator(TextureType::Buffer, Range<GLint>(0, 1),
+                              Range<GLint>(ImageIndex::kEntireLevel, ImageIndex::kEntireLevel),
+                              nullptr);
+}
+
+ImageIndexIterator ImageIndexIterator::Make2DMultisampleArray(const GLsizei *layerCounts)
+{
+    return ImageIndexIterator(TextureType::_2DMultisampleArray, Range<GLint>(0, 1),
+                              Range<GLint>(0, IMPLEMENTATION_MAX_2D_ARRAY_TEXTURE_LAYERS),
+                              layerCounts);
+}
+
+ImageIndexIterator ImageIndexIterator::MakeGeneric(TextureType type,
+                                                   GLint minMip,
+                                                   GLint maxMip,
+                                                   GLint minLayer,
+                                                   GLint maxLayer)
+{
+    if (type == TextureType::CubeMap)
+    {
+        return MakeCube(minMip, maxMip);
+    }
+
+    return ImageIndexIterator(type, Range<GLint>(minMip, maxMip), Range<GLint>(minLayer, maxLayer),
+                              nullptr);
+}
+
+ImageIndexIterator::ImageIndexIterator(TextureType type,
+                                       const Range<GLint> &mipRange,
+                                       const Range<GLint> &layerRange,
+                                       const GLsizei *layerCounts)
+    : mMipRange(mipRange),
+      mLayerRange(layerRange),
+      mLayerCounts(layerCounts),
+      mCurrentIndex(type, mipRange.low(), layerRange.low(), 1)
+{}
+
+GLint ImageIndexIterator::maxLayer() const
+{
+    if (mLayerCounts)
+    {
+        ASSERT(mCurrentIndex.hasLayer());
+        return (mCurrentIndex.getLevelIndex() < mMipRange.high())
+                   ? mLayerCounts[mCurrentIndex.getLevelIndex()]
+                   : 0;
+    }
+    return mLayerRange.high();
+}
+
+ImageIndex ImageIndexIterator::next()
+{
+    ASSERT(hasNext());
+
+    // Make a copy of the current index to return
+    ImageIndex previousIndex = mCurrentIndex;
+
+    // Iterate layers in the inner loop for now. We can add switchable
+    // layer or mip iteration if we need it.
+
+    if (mCurrentIndex.hasLayer() && mCurrentIndex.getLayerIndex() < maxLayer() - 1)
+    {
+        mCurrentIndex.mLayerIndex++;
+    }
+    else if (mCurrentIndex.mLevelIndex < mMipRange.high() - 1)
+    {
+        mCurrentIndex.mLayerIndex = mLayerRange.low();
+        mCurrentIndex.mLevelIndex++;
+    }
+    else
+    {
+        mCurrentIndex = ImageIndex();
+    }
+
+    return previousIndex;
+}
+
+ImageIndex ImageIndexIterator::current() const
+{
+    return mCurrentIndex;
+}
+
+bool ImageIndexIterator::hasNext() const
+{
+    return mCurrentIndex.valid();
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/ImageIndex.h b/gfx/angle/checkout/src/libANGLE/ImageIndex.h
new file mode 100644
index 0000000000..4625d310d8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ImageIndex.h
@@ -0,0 +1,133 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ImageIndex.h: A helper struct for indexing into an Image array
+
+#ifndef LIBANGLE_IMAGE_INDEX_H_
+#define LIBANGLE_IMAGE_INDEX_H_
+
+#include "common/PackedEnums.h"
+#include "common/mathutil.h"
+
+#include "angle_gl.h"
+
+namespace gl
+{
+
+class ImageIndexIterator;
+
+class ImageIndex
+{
+  public:
+    ImageIndex();
+    ImageIndex(const ImageIndex &other);
+    ImageIndex &operator=(const ImageIndex &other);
+
+    TextureType getType() const { return mType; }
+    GLint getLevelIndex() const { return mLevelIndex; }
+    GLint getLayerIndex() const { return mLayerIndex; }
+    GLint getLayerCount() const { return mLayerCount; }
+
+    bool hasLayer() const;
+    bool has3DLayer() const;
+    bool usesTex3D() const;
+    GLint cubeMapFaceIndex() const;
+    bool valid() const;
+    // Note that you cannot use this function when the ImageIndex represents an entire level of cube
+    // map.
+    TextureTarget getTarget() const;
+
+    TextureTarget getTargetOrFirstCubeFace() const;
+
+    bool isLayered() const;
+    bool isEntireLevelCubeMap() const;
+
+    static ImageIndex MakeBuffer();
+    static ImageIndex Make2D(GLint levelIndex);
+    static ImageIndex MakeRectangle(GLint levelIndex);
+    static ImageIndex MakeCubeMapFace(TextureTarget target, GLint levelIndex);
+    static ImageIndex Make2DArray(GLint levelIndex, GLint layerIndex = kEntireLevel);
+    static ImageIndex Make2DArrayRange(GLint levelIndex, GLint layerIndex, GLint layerCount);
+    static ImageIndex Make3D(GLint levelIndex, GLint layerIndex = kEntireLevel);
+    static ImageIndex MakeFromTarget(TextureTarget target, GLint levelIndex, GLint depth = 0);
+    static ImageIndex MakeFromType(TextureType type,
+                                   GLint levelIndex,
+                                   GLint layerIndex = kEntireLevel,
+                                   GLint layerCount = 1);
+    static ImageIndex Make2DMultisample();
+    static ImageIndex Make2DMultisampleArray(GLint layerIndex = kEntireLevel);
+    static ImageIndex Make2DMultisampleArrayRange(GLint layerIndex, GLint layerCount);
+
+    static constexpr GLint kEntireLevel = static_cast<GLint>(-1);
+
+    bool operator<(const ImageIndex &b) const;
+    bool operator==(const ImageIndex &b) const;
+    bool operator!=(const ImageIndex &b) const;
+
+    // Only valid for 3D/Cube textures with layers.
+    ImageIndexIterator getLayerIterator(GLint layerCount) const;
+
+  private:
+    friend class ImageIndexIterator;
+
+    ImageIndex(TextureType type, GLint leveIndex, GLint layerIndex, GLint layerCount);
+
+    TextureType mType;
+    GLint mLevelIndex;
+    GLint mLayerIndex;
+    GLint mLayerCount;
+};
+
+// To be used like this:
+//
+// ImageIndexIterator it = ...;
+// while (it.hasNext())
+// {
+//     ImageIndex current = it.next();
+// }
+class ImageIndexIterator
+{
+  public:
+    ImageIndexIterator(const ImageIndexIterator &other);
+
+    static ImageIndexIterator MakeBuffer();
+    static ImageIndexIterator Make2D(GLint minMip, GLint maxMip);
+    static ImageIndexIterator MakeRectangle(GLint minMip, GLint maxMip);
+    static ImageIndexIterator MakeCube(GLint minMip, GLint maxMip);
+    static ImageIndexIterator Make3D(GLint minMip, GLint maxMip, GLint minLayer, GLint maxLayer);
+    static ImageIndexIterator Make2DArray(GLint minMip, GLint maxMip, const GLsizei *layerCounts);
+    static ImageIndexIterator Make2DMultisample();
+    static ImageIndexIterator Make2DMultisampleArray(const GLsizei *layerCounts);
+    static ImageIndexIterator MakeGeneric(TextureType type,
+                                          GLint minMip,
+                                          GLint maxMip,
+                                          GLint minLayer,
+                                          GLint maxLayer);
+
+    ImageIndex next();
+    ImageIndex current() const;
+    bool hasNext() const;
+
+  private:
+    ImageIndexIterator(TextureType type,
+                       const Range<GLint> &mipRange,
+                       const Range<GLint> &layerRange,
+                       const GLsizei *layerCounts);
+
+    GLint maxLayer() const;
+
+    const Range<GLint> mMipRange;
+    const Range<GLint> mLayerRange;
+    const GLsizei *const mLayerCounts;
+
+    ImageIndex mCurrentIndex;
+};
+
+TextureTarget TextureTypeToTarget(TextureType type, GLint layerIndex);
+
+}  // namespace gl
+
+#endif  // LIBANGLE_IMAGE_INDEX_H_
diff --git a/gfx/angle/checkout/src/libANGLE/IndexRangeCache.cpp b/gfx/angle/checkout/src/libANGLE/IndexRangeCache.cpp
new file mode 100644
index 0000000000..d16b2bd9c7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/IndexRangeCache.cpp
@@ -0,0 +1,116 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexRangeCache.cpp: Defines the gl::IndexRangeCache class which stores information about
+// ranges of indices.
+
+#include "libANGLE/IndexRangeCache.h"
+
+#include "common/debug.h"
+#include "libANGLE/formatutils.h"
+
+namespace gl
+{
+
+IndexRangeCache::IndexRangeCache() {}
+
+IndexRangeCache::~IndexRangeCache() {}
+
+void IndexRangeCache::addRange(DrawElementsType type,
+                               size_t offset,
+                               size_t count,
+                               bool primitiveRestartEnabled,
+                               const IndexRange &range)
+{
+    mIndexRangeCache[IndexRangeKey(type, offset, count, primitiveRestartEnabled)] = range;
+}
+
+bool IndexRangeCache::findRange(DrawElementsType type,
+                                size_t offset,
+                                size_t count,
+                                bool primitiveRestartEnabled,
+                                IndexRange *outRange) const
+{
+    auto i = mIndexRangeCache.find(IndexRangeKey(type, offset, count, primitiveRestartEnabled));
+    if (i != mIndexRangeCache.end())
+    {
+        if (outRange)
+        {
+            *outRange = i->second;
+        }
+        return true;
+    }
+    else
+    {
+        if (outRange)
+        {
+            *outRange = IndexRange();
+        }
+        return false;
+    }
+}
+
+void IndexRangeCache::invalidateRange(size_t offset, size_t size)
+{
+    size_t invalidateStart = offset;
+    size_t invalidateEnd   = offset + size;
+
+    auto i = mIndexRangeCache.begin();
+    while (i != mIndexRangeCache.end())
+    {
+        size_t rangeStart = i->first.offset;
+        size_t rangeEnd =
+            i->first.offset + (GetDrawElementsTypeSize(i->first.type) * i->first.count);
+
+        if (invalidateEnd < rangeStart || invalidateStart > rangeEnd)
+        {
+            ++i;
+        }
+        else
+        {
+            mIndexRangeCache.erase(i++);
+        }
+    }
+}
+
+void IndexRangeCache::clear()
+{
+    mIndexRangeCache.clear();
+}
+
+IndexRangeCache::IndexRangeKey::IndexRangeKey()
+    : IndexRangeCache::IndexRangeKey(DrawElementsType::InvalidEnum, 0, 0, false)
+{}
+
+IndexRangeCache::IndexRangeKey::IndexRangeKey(DrawElementsType type_,
+                                              size_t offset_,
+                                              size_t count_,
+                                              bool primitiveRestartEnabled_)
+    : type(type_), offset(offset_), count(count_), primitiveRestartEnabled(primitiveRestartEnabled_)
+{}
+
+bool IndexRangeCache::IndexRangeKey::operator<(const IndexRangeKey &rhs) const
+{
+    if (type != rhs.type)
+    {
+        return type < rhs.type;
+    }
+    if (offset != rhs.offset)
+    {
+        return offset < rhs.offset;
+    }
+    if (count != rhs.count)
+    {
+        return count < rhs.count;
+    }
+    if (primitiveRestartEnabled != rhs.primitiveRestartEnabled)
+    {
+        return primitiveRestartEnabled;
+    }
+    return false;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/IndexRangeCache.h b/gfx/angle/checkout/src/libANGLE/IndexRangeCache.h
new file mode 100644
index 0000000000..0a0c22fe04
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/IndexRangeCache.h
@@ -0,0 +1,63 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexRangeCache.h: Defines the gl::IndexRangeCache class which stores information about
+// ranges of indices.
+
+#ifndef LIBANGLE_INDEXRANGECACHE_H_
+#define LIBANGLE_INDEXRANGECACHE_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+
+#include <map>
+
+namespace gl
+{
+
+class IndexRangeCache
+{
+  public:
+    IndexRangeCache();
+    ~IndexRangeCache();
+
+    void addRange(DrawElementsType type,
+                  size_t offset,
+                  size_t count,
+                  bool primitiveRestartEnabled,
+                  const IndexRange &range);
+    bool findRange(DrawElementsType type,
+                   size_t offset,
+                   size_t count,
+                   bool primitiveRestartEnabled,
+                   IndexRange *outRange) const;
+
+    void invalidateRange(size_t offset, size_t size);
+    void clear();
+
+  private:
+    struct IndexRangeKey
+    {
+        IndexRangeKey();
+        IndexRangeKey(DrawElementsType type, size_t offset, size_t count, bool primitiveRestart);
+
+        bool operator<(const IndexRangeKey &rhs) const;
+
+        DrawElementsType type;
+        size_t offset;
+        size_t count;
+        bool primitiveRestartEnabled;
+    };
+
+    typedef std::map<IndexRangeKey, IndexRange> IndexRangeMap;
+    IndexRangeMap mIndexRangeCache;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_INDEXRANGECACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/InfoLog.h b/gfx/angle/checkout/src/libANGLE/InfoLog.h
new file mode 100644
index 0000000000..53333ea1aa
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/InfoLog.h
@@ -0,0 +1,90 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// InfoLog.h: Defines the gl::InfoLog class to handle the logs generated when
+// compiling/linking shaders so useful error messages can be returned to the caller.
+
+#ifndef LIBANGLE_INFOLOG_H_
+#define LIBANGLE_INFOLOG_H_
+
+namespace gl
+{
+
+class InfoLog : angle::NonCopyable
+{
+  public:
+    InfoLog();
+    ~InfoLog();
+
+    size_t getLength() const;
+    void getLog(GLsizei bufSize, GLsizei *length, char *infoLog) const;
+
+    void appendSanitized(const char *message);
+    void reset();
+
+    // This helper class ensures we append a newline after writing a line.
+    class StreamHelper : angle::NonCopyable
+    {
+      public:
+        StreamHelper(StreamHelper &&rhs) : mStream(rhs.mStream) { rhs.mStream = nullptr; }
+
+        StreamHelper &operator=(StreamHelper &&rhs)
+        {
+            std::swap(mStream, rhs.mStream);
+            return *this;
+        }
+
+        ~StreamHelper()
+        {
+            // Write newline when destroyed on the stack
+            if (mStream && !mStream->str().empty())
+            {
+                (*mStream) << std::endl;
+            }
+        }
+
+        template <typename T>
+        StreamHelper &operator<<(const T &value)
+        {
+            (*mStream) << value;
+            return *this;
+        }
+
+      private:
+        friend class InfoLog;
+
+        StreamHelper(std::stringstream *stream) : mStream(stream) { ASSERT(stream); }
+
+        std::stringstream *mStream;
+    };
+
+    template <typename T>
+    StreamHelper operator<<(const T &value)
+    {
+        ensureInitialized();
+        StreamHelper helper(mLazyStream.get());
+        helper << value;
+        return helper;
+    }
+
+    std::string str() const { return mLazyStream ? mLazyStream->str() : ""; }
+
+    bool empty() const;
+
+  private:
+    void ensureInitialized()
+    {
+        if (!mLazyStream)
+        {
+            mLazyStream.reset(new std::stringstream());
+        }
+    }
+
+    std::unique_ptr<std::stringstream> mLazyStream;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_INFOLOG_H_
diff --git a/gfx/angle/checkout/src/libANGLE/LoggingAnnotator.cpp b/gfx/angle/checkout/src/libANGLE/LoggingAnnotator.cpp
new file mode 100644
index 0000000000..4cf999c4a0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/LoggingAnnotator.cpp
@@ -0,0 +1,63 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// LoggingAnnotator.cpp: DebugAnnotator implementing logging
+//
+
+#include "libANGLE/LoggingAnnotator.h"
+
+#include "libANGLE/trace.h"
+
+namespace angle
+{
+
+bool LoggingAnnotator::getStatus(const gl::Context *context)
+{
+    return false;
+}
+
+void LoggingAnnotator::beginEvent(gl::Context *context,
+                                  EntryPoint entryPoint,
+                                  const char *eventName,
+                                  const char *eventMessage)
+{
+    ANGLE_TRACE_EVENT_BEGIN0("gpu.angle", eventName);
+}
+
+void LoggingAnnotator::endEvent(gl::Context *context, const char *eventName, EntryPoint entryPoint)
+{
+    ANGLE_TRACE_EVENT_END0("gpu.angle", eventName);
+}
+
+void LoggingAnnotator::setMarker(gl::Context *context, const char *markerName)
+{
+    ANGLE_TRACE_EVENT_INSTANT0("gpu.angle", markerName);
+}
+
+void LoggingAnnotator::logMessage(const gl::LogMessage &msg) const
+{
+    auto *plat = ANGLEPlatformCurrent();
+    if (plat != nullptr)
+    {
+        switch (msg.getSeverity())
+        {
+            case gl::LOG_FATAL:
+            case gl::LOG_ERR:
+                plat->logError(plat, msg.getMessage().c_str());
+                break;
+            case gl::LOG_WARN:
+                plat->logWarning(plat, msg.getMessage().c_str());
+                break;
+            case gl::LOG_INFO:
+                plat->logInfo(plat, msg.getMessage().c_str());
+                break;
+            default:
+                UNREACHABLE();
+        }
+    }
+    gl::Trace(msg.getSeverity(), msg.getMessage().c_str());
+}
+
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/LoggingAnnotator.h b/gfx/angle/checkout/src/libANGLE/LoggingAnnotator.h
new file mode 100644
index 0000000000..7a86d4e72f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/LoggingAnnotator.h
@@ -0,0 +1,39 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// LoggingAnnotator.h: DebugAnnotator implementing logging
+//
+
+#ifndef LIBANGLE_LOGGINGANNOTATOR_H_
+#define LIBANGLE_LOGGINGANNOTATOR_H_
+
+#include "common/debug.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace angle
+{
+
+class LoggingAnnotator : public gl::DebugAnnotator
+{
+  public:
+    LoggingAnnotator() {}
+    ~LoggingAnnotator() override {}
+    void beginEvent(gl::Context *context,
+                    EntryPoint entryPoint,
+                    const char *eventName,
+                    const char *eventMessage) override;
+    void endEvent(gl::Context *context, const char *eventName, EntryPoint entryPoint) override;
+    void setMarker(gl::Context *context, const char *markerName) override;
+    bool getStatus(const gl::Context *context) override;
+    void logMessage(const gl::LogMessage &msg) const override;
+};
+
+}  // namespace angle
+
+#endif  // LIBANGLE_LOGGINGANNOTATOR_H_
diff --git a/gfx/angle/checkout/src/libANGLE/MemoryObject.cpp b/gfx/angle/checkout/src/libANGLE/MemoryObject.cpp
new file mode 100644
index 0000000000..a137f265c5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/MemoryObject.cpp
@@ -0,0 +1,66 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MemoryObject.h: Implements the gl::MemoryObject class [EXT_external_objects]
+
+#include "libANGLE/MemoryObject.h"
+
+#include "common/angleutils.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/MemoryObjectImpl.h"
+
+namespace gl
+{
+
+MemoryObject::MemoryObject(rx::GLImplFactory *factory, MemoryObjectID id)
+    : RefCountObject(factory->generateSerial(), id),
+      mImplementation(factory->createMemoryObject()),
+      mImmutable(false),
+      mDedicatedMemory(false),
+      mProtectedMemory(false)
+{}
+
+MemoryObject::~MemoryObject() {}
+
+void MemoryObject::onDestroy(const Context *context)
+{
+    mImplementation->onDestroy(context);
+}
+
+angle::Result MemoryObject::setDedicatedMemory(const Context *context, bool dedicatedMemory)
+{
+    ANGLE_TRY(mImplementation->setDedicatedMemory(context, dedicatedMemory));
+    mDedicatedMemory = dedicatedMemory;
+    return angle::Result::Continue;
+}
+
+angle::Result MemoryObject::setProtectedMemory(const Context *context, bool protectedMemory)
+{
+    ANGLE_TRY(mImplementation->setProtectedMemory(context, protectedMemory));
+    mProtectedMemory = protectedMemory;
+    return angle::Result::Continue;
+}
+
+angle::Result MemoryObject::importFd(Context *context,
+                                     GLuint64 size,
+                                     HandleType handleType,
+                                     GLint fd)
+{
+    ANGLE_TRY(mImplementation->importFd(context, size, handleType, fd));
+    mImmutable = true;
+    return angle::Result::Continue;
+}
+
+angle::Result MemoryObject::importZirconHandle(Context *context,
+                                               GLuint64 size,
+                                               HandleType handleType,
+                                               GLuint handle)
+{
+    ANGLE_TRY(mImplementation->importZirconHandle(context, size, handleType, handle));
+    mImmutable = true;
+    return angle::Result::Continue;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/MemoryObject.h b/gfx/angle/checkout/src/libANGLE/MemoryObject.h
new file mode 100644
index 0000000000..0507f7e2c3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/MemoryObject.h
@@ -0,0 +1,60 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MemoryObject.h: Defines the gl::MemoryObject class [EXT_external_objects]
+
+#ifndef LIBANGLE_MEMORYOBJECT_H_
+#define LIBANGLE_MEMORYOBJECT_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+namespace rx
+{
+class GLImplFactory;
+class MemoryObjectImpl;
+}  // namespace rx
+
+namespace gl
+{
+class Context;
+
+class MemoryObject final : public RefCountObject<MemoryObjectID>
+{
+  public:
+    MemoryObject(rx::GLImplFactory *factory, MemoryObjectID id);
+    ~MemoryObject() override;
+
+    void onDestroy(const Context *context) override;
+
+    rx::MemoryObjectImpl *getImplementation() const { return mImplementation.get(); }
+
+    bool isImmutable() const { return mImmutable; }
+
+    angle::Result setDedicatedMemory(const Context *context, bool dedicatedMemory);
+    bool isDedicatedMemory() const { return mDedicatedMemory; }
+    angle::Result setProtectedMemory(const Context *context, bool protectedMemory);
+    bool isProtectedMemory() const { return mProtectedMemory; }
+
+    angle::Result importFd(Context *context, GLuint64 size, HandleType handleType, GLint fd);
+    angle::Result importZirconHandle(Context *context,
+                                     GLuint64 size,
+                                     HandleType handleType,
+                                     GLuint handle);
+
+  private:
+    std::unique_ptr<rx::MemoryObjectImpl> mImplementation;
+
+    bool mImmutable;
+    bool mDedicatedMemory;
+    bool mProtectedMemory;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_MEMORYOBJECT_H_
diff --git a/gfx/angle/checkout/src/libANGLE/MemoryProgramCache.cpp b/gfx/angle/checkout/src/libANGLE/MemoryProgramCache.cpp
new file mode 100644
index 0000000000..35894913a6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/MemoryProgramCache.cpp
@@ -0,0 +1,283 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MemoryProgramCache: Stores compiled and linked programs in memory so they don't
+//   always have to be re-compiled. Can be used in conjunction with the platform
+//   layer to warm up the cache from disk.
+
+// Include zlib first, otherwise FAR gets defined elsewhere.
+#define USE_SYSTEM_ZLIB
+#include "compression_utils_portable.h"
+
+#include "libANGLE/MemoryProgramCache.h"
+
+#include <GLSLANG/ShaderVars.h>
+#include <anglebase/sha1.h>
+
+#include "common/angle_version_info.h"
+#include "common/utilities.h"
+#include "libANGLE/BinaryStream.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/capture/FrameCapture.h"
+#include "libANGLE/histogram_macros.h"
+#include "libANGLE/renderer/ProgramImpl.h"
+#include "platform/PlatformMethods.h"
+
+namespace gl
+{
+
+namespace
+{
+class HashStream final : angle::NonCopyable
+{
+  public:
+    std::string str() { return mStringStream.str(); }
+
+    template <typename T>
+    HashStream &operator<<(T value)
+    {
+        mStringStream << value << kSeparator;
+        return *this;
+    }
+
+  private:
+    static constexpr char kSeparator = ':';
+    std::ostringstream mStringStream;
+};
+
+HashStream &operator<<(HashStream &stream, Shader *shader)
+{
+    if (shader)
+    {
+        stream << shader->getSourceString().c_str() << shader->getSourceString().length()
+               << shader->getCompilerResourcesString().c_str();
+    }
+    return stream;
+}
+
+HashStream &operator<<(HashStream &stream, const ProgramBindings &bindings)
+{
+    for (const auto &binding : bindings.getStableIterationMap())
+    {
+        stream << binding.first << binding.second;
+    }
+    return stream;
+}
+
+HashStream &operator<<(HashStream &stream, const ProgramAliasedBindings &bindings)
+{
+    for (const auto &binding : bindings.getStableIterationMap())
+    {
+        stream << binding.first << binding.second.location;
+    }
+    return stream;
+}
+
+HashStream &operator<<(HashStream &stream, const std::vector<std::string> &strings)
+{
+    for (const auto &str : strings)
+    {
+        stream << str;
+    }
+    return stream;
+}
+
+HashStream &operator<<(HashStream &stream, const std::vector<gl::VariableLocation> &locations)
+{
+    for (const auto &loc : locations)
+    {
+        stream << loc.index << loc.arrayIndex << loc.ignored;
+    }
+    return stream;
+}
+
+}  // anonymous namespace
+
+MemoryProgramCache::MemoryProgramCache(egl::BlobCache &blobCache) : mBlobCache(blobCache) {}
+
+MemoryProgramCache::~MemoryProgramCache() {}
+
+void MemoryProgramCache::ComputeHash(const Context *context,
+                                     const Program *program,
+                                     egl::BlobCache::Key *hashOut)
+{
+    // Compute the program hash. Start with the shader hashes and resource strings.
+    HashStream hashStream;
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        hashStream << program->getAttachedShader(shaderType);
+    }
+
+    // Add some ANGLE metadata and Context properties, such as version and back-end.
+    hashStream << angle::GetANGLECommitHash() << context->getClientMajorVersion()
+               << context->getClientMinorVersion() << context->getString(GL_RENDERER);
+
+    // Hash pre-link program properties.
+    hashStream << program->getAttributeBindings() << program->getUniformLocationBindings()
+               << program->getFragmentOutputLocations() << program->getFragmentOutputIndexes()
+               << program->getState().getTransformFeedbackVaryingNames()
+               << program->getState().getTransformFeedbackBufferMode()
+               << program->getState().getOutputLocations()
+               << program->getState().getSecondaryOutputLocations();
+
+    // Include the status of FrameCapture, which adds source strings to the binary
+    hashStream << context->getShareGroup()->getFrameCaptureShared()->enabled();
+
+    // Call the secure SHA hashing function.
+    const std::string &programKey = hashStream.str();
+    angle::base::SHA1HashBytes(reinterpret_cast<const unsigned char *>(programKey.c_str()),
+                               programKey.length(), hashOut->data());
+}
+
+angle::Result MemoryProgramCache::getProgram(const Context *context,
+                                             Program *program,
+                                             egl::BlobCache::Key *hashOut)
+{
+    // If caching is effectively disabled, don't bother calculating the hash.
+    if (!mBlobCache.isCachingEnabled())
+    {
+        return angle::Result::Incomplete;
+    }
+
+    ComputeHash(context, program, hashOut);
+
+    angle::MemoryBuffer uncompressedData;
+    switch (mBlobCache.getAndDecompress(context->getScratchBuffer(), *hashOut, &uncompressedData))
+    {
+        case egl::BlobCache::GetAndDecompressResult::NotFound:
+            return angle::Result::Incomplete;
+
+        case egl::BlobCache::GetAndDecompressResult::DecompressFailure:
+            ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                               "Error decompressing program binary data fetched from cache.");
+            return angle::Result::Incomplete;
+
+        case egl::BlobCache::GetAndDecompressResult::GetSuccess:
+            angle::Result result =
+                program->loadBinary(context, GL_PROGRAM_BINARY_ANGLE, uncompressedData.data(),
+                                    static_cast<int>(uncompressedData.size()));
+            ANGLE_TRY(result);
+
+            if (result == angle::Result::Continue)
+                return angle::Result::Continue;
+
+            // Cache load failed, evict
+            ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                               "Failed to load program binary from cache.");
+            remove(*hashOut);
+
+            return angle::Result::Incomplete;
+    }
+
+    UNREACHABLE();
+    return angle::Result::Incomplete;
+}
+
+bool MemoryProgramCache::getAt(size_t index,
+                               const egl::BlobCache::Key **hashOut,
+                               egl::BlobCache::Value *programOut)
+{
+    return mBlobCache.getAt(index, hashOut, programOut);
+}
+
+void MemoryProgramCache::remove(const egl::BlobCache::Key &programHash)
+{
+    mBlobCache.remove(programHash);
+}
+
+angle::Result MemoryProgramCache::putProgram(const egl::BlobCache::Key &programHash,
+                                             const Context *context,
+                                             const Program *program)
+{
+    // If caching is effectively disabled, don't bother serializing the program.
+    if (!mBlobCache.isCachingEnabled())
+    {
+        return angle::Result::Incomplete;
+    }
+
+    angle::MemoryBuffer serializedProgram;
+    ANGLE_TRY(program->serialize(context, &serializedProgram));
+
+    angle::MemoryBuffer compressedData;
+    if (!egl::CompressBlobCacheData(serializedProgram.size(), serializedProgram.data(),
+                                    &compressedData))
+    {
+        ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                           "Error compressing binary data.");
+        return angle::Result::Incomplete;
+    }
+
+    {
+        std::scoped_lock<std::mutex> lock(mBlobCache.getMutex());
+        // TODO: http://anglebug.com/7568
+        // This was a workaround for Chrome until it added support for EGL_ANDROID_blob_cache,
+        // tracked by http://anglebug.com/2516. This issue has since been closed, but removing this
+        // still causes a test failure.
+        auto *platform = ANGLEPlatformCurrent();
+        platform->cacheProgram(platform, programHash, compressedData.size(), compressedData.data());
+    }
+
+    mBlobCache.put(programHash, std::move(compressedData));
+    return angle::Result::Continue;
+}
+
+angle::Result MemoryProgramCache::updateProgram(const Context *context, const Program *program)
+{
+    egl::BlobCache::Key programHash;
+    ComputeHash(context, program, &programHash);
+    return putProgram(programHash, context, program);
+}
+
+bool MemoryProgramCache::putBinary(const egl::BlobCache::Key &programHash,
+                                   const uint8_t *binary,
+                                   size_t length)
+{
+    // Copy the binary.
+    angle::MemoryBuffer newEntry;
+    if (!newEntry.resize(length))
+    {
+        return false;
+    }
+    memcpy(newEntry.data(), binary, length);
+
+    // Store the binary.
+    mBlobCache.populate(programHash, std::move(newEntry));
+
+    return true;
+}
+
+void MemoryProgramCache::clear()
+{
+    mBlobCache.clear();
+}
+
+void MemoryProgramCache::resize(size_t maxCacheSizeBytes)
+{
+    mBlobCache.resize(maxCacheSizeBytes);
+}
+
+size_t MemoryProgramCache::entryCount() const
+{
+    return mBlobCache.entryCount();
+}
+
+size_t MemoryProgramCache::trim(size_t limit)
+{
+    return mBlobCache.trim(limit);
+}
+
+size_t MemoryProgramCache::size() const
+{
+    return mBlobCache.size();
+}
+
+size_t MemoryProgramCache::maxSize() const
+{
+    return mBlobCache.maxSize();
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/MemoryProgramCache.h b/gfx/angle/checkout/src/libANGLE/MemoryProgramCache.h
new file mode 100644
index 0000000000..92f774ebed
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/MemoryProgramCache.h
@@ -0,0 +1,87 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MemoryProgramCache: Stores compiled and linked programs in memory so they don't
+//   always have to be re-compiled. Can be used in conjunction with the platform
+//   layer to warm up the cache from disk.
+
+#ifndef LIBANGLE_MEMORY_PROGRAM_CACHE_H_
+#define LIBANGLE_MEMORY_PROGRAM_CACHE_H_
+
+#include <array>
+
+#include "common/MemoryBuffer.h"
+#include "libANGLE/BlobCache.h"
+#include "libANGLE/Error.h"
+
+namespace gl
+{
+class Context;
+class Program;
+class ProgramState;
+
+class MemoryProgramCache final : angle::NonCopyable
+{
+  public:
+    explicit MemoryProgramCache(egl::BlobCache &blobCache);
+    ~MemoryProgramCache();
+
+    static void ComputeHash(const Context *context,
+                            const Program *program,
+                            egl::BlobCache::Key *hashOut);
+
+    // For querying the contents of the cache.
+    bool getAt(size_t index,
+               const egl::BlobCache::Key **hashOut,
+               egl::BlobCache::Value *programOut);
+
+    // Evict a program from the binary cache.
+    void remove(const egl::BlobCache::Key &programHash);
+
+    // Helper method that serializes a program.
+    angle::Result putProgram(const egl::BlobCache::Key &programHash,
+                             const Context *context,
+                             const Program *program);
+
+    // Same as putProgram but computes the hash.
+    angle::Result updateProgram(const Context *context, const Program *program);
+
+    // Store a binary directly.  TODO(syoussefi): deprecated.  Will be removed once Chrome supports
+    // EGL_ANDROID_blob_cache. http://anglebug.com/2516
+    [[nodiscard]] bool putBinary(const egl::BlobCache::Key &programHash,
+                                 const uint8_t *binary,
+                                 size_t length);
+
+    // Check the cache, and deserialize and load the program if found. Evict existing hash if load
+    // fails.
+    angle::Result getProgram(const Context *context,
+                             Program *program,
+                             egl::BlobCache::Key *hashOut);
+
+    // Empty the cache.
+    void clear();
+
+    // Resize the cache. Discards current contents.
+    void resize(size_t maxCacheSizeBytes);
+
+    // Returns the number of entries in the cache.
+    size_t entryCount() const;
+
+    // Reduces the current cache size and returns the number of bytes freed.
+    size_t trim(size_t limit);
+
+    // Returns the current cache size in bytes.
+    size_t size() const;
+
+    // Returns the maximum cache size in bytes.
+    size_t maxSize() const;
+
+  private:
+    egl::BlobCache &mBlobCache;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_MEMORY_PROGRAM_CACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/MemoryShaderCache.cpp b/gfx/angle/checkout/src/libANGLE/MemoryShaderCache.cpp
new file mode 100644
index 0000000000..2bd7baef5e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/MemoryShaderCache.cpp
@@ -0,0 +1,155 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MemoryShaderCache: Stores compiled shader in memory so they don't
+//   always have to be re-compiled. Can be used in conjunction with the platform
+//   layer to warm up the cache from disk.
+
+#include "libANGLE/MemoryShaderCache.h"
+
+#include <GLSLANG/ShaderVars.h>
+#include <anglebase/sha1.h>
+
+#include "common/angle_version_info.h"
+#include "common/utilities.h"
+#include "libANGLE/BinaryStream.h"
+#include "libANGLE/Compiler.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/histogram_macros.h"
+#include "libANGLE/renderer/ShaderImpl.h"
+#include "platform/PlatformMethods.h"
+
+namespace gl
+{
+
+namespace
+{
+void ComputeHash(const Context *context,
+                 const Shader *shader,
+                 const ShCompileOptions &compileOptions,
+                 const ShCompilerInstance &compilerInstance,
+                 egl::BlobCache::Key *hashOut)
+{
+    BinaryOutputStream hashStream;
+    // Compute the shader hash. Start with the shader hashes and resource strings.
+    hashStream.writeEnum(shader->getType());
+    hashStream.writeString(shader->getSourceString());
+
+    // Include the commit hash
+    hashStream.writeString(angle::GetANGLECommitHash());
+
+    hashStream.writeEnum(Compiler::SelectShaderSpec(context->getState()));
+    hashStream.writeEnum(compilerInstance.getShaderOutputType());
+    hashStream.writeBytes(reinterpret_cast<const uint8_t *>(&compileOptions),
+                          sizeof(compileOptions));
+
+    // Include the ShBuiltInResources, which represent the extensions and constants used by the
+    // shader.
+    const ShBuiltInResources resources = compilerInstance.getBuiltInResources();
+    hashStream.writeBytes(reinterpret_cast<const uint8_t *>(&resources), sizeof(resources));
+
+    // Call the secure SHA hashing function.
+    const std::vector<uint8_t> &shaderKey = hashStream.getData();
+    angle::base::SHA1HashBytes(shaderKey.data(), shaderKey.size(), hashOut->data());
+}
+}  // namespace
+
+MemoryShaderCache::MemoryShaderCache(egl::BlobCache &blobCache) : mBlobCache(blobCache) {}
+
+MemoryShaderCache::~MemoryShaderCache() {}
+
+angle::Result MemoryShaderCache::getShader(const Context *context,
+                                           Shader *shader,
+                                           const ShCompileOptions &compileOptions,
+                                           const ShCompilerInstance &compilerInstance,
+                                           egl::BlobCache::Key *hashOut)
+{
+    // If caching is effectively disabled, don't bother calculating the hash.
+    if (!mBlobCache.isCachingEnabled())
+    {
+        return angle::Result::Incomplete;
+    }
+
+    ComputeHash(context, shader, compileOptions, compilerInstance, hashOut);
+
+    angle::MemoryBuffer uncompressedData;
+    switch (mBlobCache.getAndDecompress(context->getScratchBuffer(), *hashOut, &uncompressedData))
+    {
+        case egl::BlobCache::GetAndDecompressResult::DecompressFailure:
+            ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                               "Error decompressing shader binary data from cache.");
+            return angle::Result::Incomplete;
+
+        case egl::BlobCache::GetAndDecompressResult::NotFound:
+            return angle::Result::Incomplete;
+
+        case egl::BlobCache::GetAndDecompressResult::GetSuccess:
+            angle::Result result = shader->loadBinary(context, uncompressedData.data(),
+                                                      static_cast<int>(uncompressedData.size()));
+
+            {
+                std::scoped_lock<std::mutex> lock(mHistogramMutex);
+                ANGLE_HISTOGRAM_BOOLEAN("GPU.ANGLE.ShaderCache.LoadBinarySuccess",
+                                        result == angle::Result::Continue);
+            }
+            ANGLE_TRY(result);
+
+            if (result == angle::Result::Continue)
+                return angle::Result::Continue;
+
+            // Cache load failed, evict.
+            ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                               "Failed to load shader binary from cache.");
+            mBlobCache.remove(*hashOut);
+            return angle::Result::Incomplete;
+    }
+
+    UNREACHABLE();
+    return angle::Result::Incomplete;
+}
+
+angle::Result MemoryShaderCache::putShader(const Context *context,
+                                           const egl::BlobCache::Key &shaderHash,
+                                           const Shader *shader)
+{
+    // If caching is effectively disabled, don't bother serializing the shader.
+    if (!mBlobCache.isCachingEnabled())
+    {
+        return angle::Result::Incomplete;
+    }
+
+    angle::MemoryBuffer serializedShader;
+    ANGLE_TRY(shader->serialize(nullptr, &serializedShader));
+
+    size_t compressedSize;
+    if (!mBlobCache.compressAndPut(shaderHash, std::move(serializedShader), &compressedSize))
+    {
+        ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                           "Error compressing shader binary data for insertion into cache.");
+        return angle::Result::Incomplete;
+    }
+
+    {
+        std::scoped_lock<std::mutex> lock(mHistogramMutex);
+        ANGLE_HISTOGRAM_COUNTS("GPU.ANGLE.ShaderCache.ShaderBinarySizeBytes",
+                               static_cast<int>(compressedSize));
+    }
+
+    return angle::Result::Continue;
+}
+
+void MemoryShaderCache::clear()
+{
+    mBlobCache.clear();
+}
+
+size_t MemoryShaderCache::maxSize() const
+{
+    return mBlobCache.maxSize();
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/MemoryShaderCache.h b/gfx/angle/checkout/src/libANGLE/MemoryShaderCache.h
new file mode 100644
index 0000000000..464201d4c7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/MemoryShaderCache.h
@@ -0,0 +1,60 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MemoryShaderCache: Stores compiled shaders in memory so they don't
+//   always have to be re-compiled. Can be used in conjunction with the platform
+//   layer to warm up the cache from disk.
+
+#ifndef LIBANGLE_MEMORY_SHADER_CACHE_H_
+#define LIBANGLE_MEMORY_SHADER_CACHE_H_
+
+#include <array>
+
+#include "GLSLANG/ShaderLang.h"
+#include "common/MemoryBuffer.h"
+#include "libANGLE/BlobCache.h"
+#include "libANGLE/Error.h"
+
+namespace gl
+{
+class Context;
+class Shader;
+class ShaderState;
+class ShCompilerInstance;
+
+class MemoryShaderCache final : angle::NonCopyable
+{
+  public:
+    explicit MemoryShaderCache(egl::BlobCache &blobCache);
+    ~MemoryShaderCache();
+
+    // Helper method that serializes a shader.
+    angle::Result putShader(const Context *context,
+                            const egl::BlobCache::Key &shaderHash,
+                            const Shader *shader);
+
+    // Check the cache, and deserialize and load the shader if found. Evict existing hash if load
+    // fails.
+    angle::Result getShader(const Context *context,
+                            Shader *shader,
+                            const ShCompileOptions &compileOptions,
+                            const ShCompilerInstance &compilerInstance,
+                            egl::BlobCache::Key *hashOut);
+
+    // Empty the cache.
+    void clear();
+
+    // Returns the maximum cache size in bytes.
+    size_t maxSize() const;
+
+  private:
+    egl::BlobCache &mBlobCache;
+
+    std::mutex mHistogramMutex;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_MEMORY_SHADER_CACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Observer.cpp b/gfx/angle/checkout/src/libANGLE/Observer.cpp
new file mode 100644
index 0000000000..75f51648a4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Observer.cpp
@@ -0,0 +1,113 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Observer:
+//   Implements the Observer pattern for sending state change notifications
+//   from Subject objects to dependent Observer objects.
+//
+//   See design document:
+//   https://docs.google.com/document/d/15Edfotqg6_l1skTEL8ADQudF_oIdNa7i8Po43k6jMd4/
+
+#include "libANGLE/Observer.h"
+
+#include <algorithm>
+
+#include "common/debug.h"
+
+namespace angle
+{
+namespace
+{}  // anonymous namespace
+
+// Observer implementation.
+ObserverInterface::~ObserverInterface() = default;
+
+// Subject implementation.
+Subject::Subject() {}
+
+Subject::~Subject()
+{
+    resetObservers();
+}
+
+bool Subject::hasObservers() const
+{
+    return !mObservers.empty();
+}
+
+void Subject::onStateChange(SubjectMessage message) const
+{
+    if (mObservers.empty())
+        return;
+
+    for (const ObserverBindingBase *binding : mObservers)
+    {
+        binding->getObserver()->onSubjectStateChange(binding->getSubjectIndex(), message);
+    }
+}
+
+void Subject::resetObservers()
+{
+    for (angle::ObserverBindingBase *binding : mObservers)
+    {
+        binding->onSubjectReset();
+    }
+    mObservers.clear();
+}
+
+// ObserverBinding implementation.
+ObserverBinding::ObserverBinding() : ObserverBindingBase(nullptr, 0), mSubject(nullptr) {}
+
+ObserverBinding::ObserverBinding(ObserverInterface *observer, SubjectIndex index)
+    : ObserverBindingBase(observer, index), mSubject(nullptr)
+{
+    ASSERT(observer);
+}
+
+ObserverBinding::~ObserverBinding()
+{
+    reset();
+}
+
+ObserverBinding::ObserverBinding(const ObserverBinding &other)
+    : ObserverBindingBase(other), mSubject(nullptr)
+{
+    bind(other.mSubject);
+}
+
+ObserverBinding &ObserverBinding::operator=(const ObserverBinding &other)
+{
+    reset();
+    ObserverBindingBase::operator=(other);
+    bind(other.mSubject);
+    return *this;
+}
+
+void ObserverBinding::bind(Subject *subject)
+{
+    ASSERT(getObserver() || !subject);
+    if (mSubject)
+    {
+        mSubject->removeObserver(this);
+    }
+
+    mSubject = subject;
+
+    if (mSubject)
+    {
+        mSubject->addObserver(this);
+    }
+}
+
+void ObserverBinding::onStateChange(SubjectMessage message) const
+{
+    getObserver()->onSubjectStateChange(getSubjectIndex(), message);
+}
+
+void ObserverBinding::onSubjectReset()
+{
+    mSubject = nullptr;
+}
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/Observer.h b/gfx/angle/checkout/src/libANGLE/Observer.h
new file mode 100644
index 0000000000..a07a224b99
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Observer.h
@@ -0,0 +1,167 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Observer:
+//   Implements the Observer pattern for sending state change notifications
+//   from Subject objects to dependent Observer objects.
+//
+//   See design document:
+//   https://docs.google.com/document/d/15Edfotqg6_l1skTEL8ADQudF_oIdNa7i8Po43k6jMd4/
+
+#ifndef LIBANGLE_OBSERVER_H_
+#define LIBANGLE_OBSERVER_H_
+
+#include "common/FastVector.h"
+#include "common/angleutils.h"
+
+namespace angle
+{
+template <typename HaystackT, typename NeedleT>
+bool IsInContainer(const HaystackT &haystack, const NeedleT &needle)
+{
+    return std::find(haystack.begin(), haystack.end(), needle) != haystack.end();
+}
+
+using SubjectIndex = size_t;
+
+// Messages are used to distinguish different Subject events that get sent to a single Observer.
+// It could be possible to improve the handling by using different callback functions instead
+// of a single handler function. But in some cases we want to share a single binding between
+// Observer and Subject and handle different types of events.
+enum class SubjectMessage
+{
+    // Used by gl::VertexArray to notify gl::Context of a gl::Buffer binding count change. Triggers
+    // a validation cache update. Also used by gl::Texture to notify gl::Framebuffer of loops.
+    BindingChanged,
+
+    // Only the contents (pixels, bytes, etc) changed in this Subject. Distinct from the object
+    // storage.
+    ContentsChanged,
+
+    // Sent by gl::Sampler, gl::Texture, gl::Framebuffer and others to notifiy gl::Context. This
+    // flag indicates to call syncState before next use.
+    DirtyBitsFlagged,
+
+    // Generic state change message. Used in multiple places for different purposes.
+    SubjectChanged,
+
+    // Indicates a bound gl::Buffer is now mapped or unmapped. Passed from gl::Buffer, through
+    // gl::VertexArray, into gl::Context. Used to track validation.
+    SubjectMapped,
+    SubjectUnmapped,
+    // Indicates a bound buffer's storage was reallocated due to glBufferData call or optimizations
+    // to prevent having to flush pending commands and waiting for the GPU to become idle.
+    InternalMemoryAllocationChanged,
+
+    // Indicates an external change to the default framebuffer.
+    SurfaceChanged,
+    // Indicates the system framebuffer's swapchain changed, i.e. color buffer changed but no
+    // depth/stencil buffer change.
+    SwapchainImageChanged,
+
+    // Indicates a separable program's textures or images changed in the ProgramExecutable.
+    ProgramTextureOrImageBindingChanged,
+    // Indicates a separable program was successfully re-linked.
+    ProgramRelinked,
+    // Indicates a separable program's sampler uniforms were updated.
+    SamplerUniformsUpdated,
+    // Other types of uniform change.
+    ProgramUniformUpdated,
+
+    // Indicates a Storage of back-end in gl::Texture has been released.
+    StorageReleased,
+
+    // Indicates that all pending updates are complete in the subject.
+    InitializationComplete,
+};
+
+// The observing class inherits from this interface class.
+class ObserverInterface
+{
+  public:
+    virtual ~ObserverInterface();
+    virtual void onSubjectStateChange(SubjectIndex index, SubjectMessage message) = 0;
+};
+
+class ObserverBindingBase
+{
+  public:
+    ObserverBindingBase(ObserverInterface *observer, SubjectIndex subjectIndex)
+        : mObserver(observer), mIndex(subjectIndex)
+    {}
+    virtual ~ObserverBindingBase() {}
+
+    ObserverBindingBase(const ObserverBindingBase &other)            = default;
+    ObserverBindingBase &operator=(const ObserverBindingBase &other) = default;
+
+    ObserverInterface *getObserver() const { return mObserver; }
+    SubjectIndex getSubjectIndex() const { return mIndex; }
+
+    virtual void onSubjectReset() {}
+
+  private:
+    ObserverInterface *mObserver;
+    SubjectIndex mIndex;
+};
+
+constexpr size_t kMaxFixedObservers = 8;
+
+// Maintains a list of observer bindings. Sends update messages to the observer.
+class Subject : NonCopyable
+{
+  public:
+    Subject();
+    virtual ~Subject();
+
+    void onStateChange(SubjectMessage message) const;
+    bool hasObservers() const;
+    void resetObservers();
+    ANGLE_INLINE size_t getObserversCount() const { return mObservers.size(); }
+
+    ANGLE_INLINE void addObserver(ObserverBindingBase *observer)
+    {
+        ASSERT(!IsInContainer(mObservers, observer));
+        mObservers.push_back(observer);
+    }
+    ANGLE_INLINE void removeObserver(ObserverBindingBase *observer)
+    {
+        ASSERT(IsInContainer(mObservers, observer));
+        mObservers.remove_and_permute(observer);
+    }
+
+  private:
+    // Keep a short list of observers so we can allocate/free them quickly. But since we support
+    // unlimited bindings, have a spill-over list of that uses dynamic allocation.
+    angle::FastVector<ObserverBindingBase *, kMaxFixedObservers> mObservers;
+};
+
+// Keeps a binding between a Subject and Observer, with a specific subject index.
+class ObserverBinding final : public ObserverBindingBase
+{
+  public:
+    ObserverBinding();
+    ObserverBinding(ObserverInterface *observer, SubjectIndex index);
+    ~ObserverBinding() override;
+    ObserverBinding(const ObserverBinding &other);
+    ObserverBinding &operator=(const ObserverBinding &other);
+
+    void bind(Subject *subject);
+
+    ANGLE_INLINE void reset() { bind(nullptr); }
+
+    void onStateChange(SubjectMessage message) const;
+    void onSubjectReset() override;
+
+    ANGLE_INLINE const Subject *getSubject() const { return mSubject; }
+
+    ANGLE_INLINE void assignSubject(Subject *subject) { mSubject = subject; }
+
+  private:
+    Subject *mSubject;
+};
+
+}  // namespace angle
+
+#endif  // LIBANGLE_OBSERVER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Overlay.cpp b/gfx/angle/checkout/src/libANGLE/Overlay.cpp
new file mode 100644
index 0000000000..e84b125361
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Overlay.cpp
@@ -0,0 +1,103 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Overlay.cpp:
+//    Implements the Overlay class.
+//
+
+#include "libANGLE/Overlay.h"
+
+#include "common/string_utils.h"
+#include "common/system_utils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Overlay_font_autogen.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/OverlayImpl.h"
+
+#include <numeric>
+
+namespace gl
+{
+namespace
+{
+#define ANGLE_WIDGET_NAME_PROC(WIDGET_ID) {ANGLE_STRINGIFY(WIDGET_ID), WidgetId::WIDGET_ID},
+
+constexpr std::pair<const char *, WidgetId> kWidgetNames[] = {
+    ANGLE_WIDGET_ID_X(ANGLE_WIDGET_NAME_PROC)};
+}  // namespace
+
+OverlayState::OverlayState() : mEnabledWidgetCount(0), mOverlayWidgets{} {}
+OverlayState::~OverlayState() = default;
+
+Overlay::Overlay(rx::GLImplFactory *factory)
+    : mLastPerSecondUpdate(0), mImplementation(factory->createOverlay(mState))
+{}
+Overlay::~Overlay() = default;
+
+void Overlay::init()
+{
+    initOverlayWidgets();
+    mLastPerSecondUpdate = angle::GetCurrentSystemTime();
+
+    ASSERT(std::all_of(
+        mState.mOverlayWidgets.begin(), mState.mOverlayWidgets.end(),
+        [](const std::unique_ptr<overlay::Widget> &widget) { return widget.get() != nullptr; }));
+
+    enableOverlayWidgetsFromEnvironment();
+}
+
+void Overlay::destroy(const gl::Context *context)
+{
+    ASSERT(mImplementation);
+    mImplementation->onDestroy(context);
+}
+
+void Overlay::enableOverlayWidgetsFromEnvironment()
+{
+    std::vector<std::string> enabledWidgets = angle::GetStringsFromEnvironmentVarOrAndroidProperty(
+        "ANGLE_OVERLAY", "debug.angle.overlay", ":");
+
+    for (const std::pair<const char *, WidgetId> &widgetName : kWidgetNames)
+    {
+        for (const std::string &enabledWidget : enabledWidgets)
+        {
+            if (angle::NamesMatchWithWildcard(enabledWidget.c_str(), widgetName.first))
+            {
+                mState.mOverlayWidgets[widgetName.second]->enabled = true;
+                ++mState.mEnabledWidgetCount;
+                break;
+            }
+        }
+    }
+}
+
+void Overlay::onSwap() const
+{
+    // Increment FPS counter.
+    getPerSecondWidget(WidgetId::FPS)->add(1);
+
+    // Update per second values every second.
+    double currentTime = angle::GetCurrentSystemTime();
+    double timeDiff    = currentTime - mLastPerSecondUpdate;
+    if (timeDiff >= 1.0)
+    {
+        for (const std::unique_ptr<overlay::Widget> &widget : mState.mOverlayWidgets)
+        {
+            if (widget->type == WidgetType::PerSecond)
+            {
+                overlay::PerSecond *perSecond =
+                    reinterpret_cast<overlay::PerSecond *>(widget.get());
+                perSecond->lastPerSecondCount = static_cast<size_t>(perSecond->count / timeDiff);
+                perSecond->count              = 0;
+            }
+        }
+        mLastPerSecondUpdate += 1.0;
+    }
+}
+
+MockOverlay::MockOverlay(rx::GLImplFactory *implFactory) {}
+MockOverlay::~MockOverlay() = default;
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Overlay.h b/gfx/angle/checkout/src/libANGLE/Overlay.h
new file mode 100644
index 0000000000..124e00d3e6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Overlay.h
@@ -0,0 +1,154 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Overlay.h:
+//    Defines the Overlay class that handles overlay widgets.
+//
+
+#ifndef LIBANGLE_OVERLAY_H_
+#define LIBANGLE_OVERLAY_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/OverlayWidgets.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+class OverlayImpl;
+class GLImplFactory;
+}  // namespace rx
+
+namespace gl
+{
+class Context;
+
+class OverlayState : angle::NonCopyable
+{
+  public:
+    OverlayState();
+    ~OverlayState();
+
+    size_t getWidgetCoordinatesBufferSize() const;
+    size_t getTextWidgetsBufferSize() const;
+    size_t getGraphWidgetsBufferSize() const;
+
+    const uint8_t *getFontData() const;
+    void fillWidgetData(const gl::Extents &imageExtents,
+                        uint8_t *textData,
+                        uint8_t *graphData,
+                        uint32_t *activeTextWidgetCountOut,
+                        uint32_t *activeGraphWidgetCountOut) const;
+
+    uint32_t getEnabledWidgetCount() const { return mEnabledWidgetCount; }
+
+  private:
+    friend class Overlay;
+
+    uint32_t mEnabledWidgetCount;
+
+    angle::PackedEnumMap<WidgetId, std::unique_ptr<overlay::Widget>> mOverlayWidgets;
+};
+
+class Overlay : angle::NonCopyable
+{
+  public:
+    Overlay(rx::GLImplFactory *implFactory);
+    ~Overlay();
+
+    void init();
+    void destroy(const gl::Context *context);
+
+    void onSwap() const;
+
+    overlay::Text *getTextWidget(WidgetId id) const
+    {
+        return getWidgetAs<overlay::Text, WidgetType::Text>(id);
+    }
+    overlay::Count *getCountWidget(WidgetId id) const
+    {
+        return getWidgetAs<overlay::Count, WidgetType::Count>(id);
+    }
+    overlay::PerSecond *getPerSecondWidget(WidgetId id) const
+    {
+        return getWidgetAs<overlay::PerSecond, WidgetType::PerSecond>(id);
+    }
+    overlay::RunningGraph *getRunningGraphWidget(WidgetId id) const
+    {
+        return getWidgetAs<overlay::RunningGraph, WidgetType::RunningGraph>(id);
+    }
+    overlay::RunningHistogram *getRunningHistogramWidget(WidgetId id) const
+    {
+        return getWidgetAs<overlay::RunningHistogram, WidgetType::RunningHistogram>(id);
+    }
+
+    rx::OverlayImpl *getImplementation() const { return mImplementation.get(); }
+
+    bool isEnabled() const
+    {
+        return mImplementation != nullptr && mState.getEnabledWidgetCount() > 0;
+    }
+
+  private:
+    template <typename Widget, WidgetType Type>
+    Widget *getWidgetAs(WidgetId id) const
+    {
+        ASSERT(mState.mOverlayWidgets[id] != nullptr);
+        ASSERT(mState.mOverlayWidgets[id]->type == Type);
+        return rx::GetAs<Widget>(mState.mOverlayWidgets[id].get());
+    }
+    void initOverlayWidgets();
+    void enableOverlayWidgetsFromEnvironment();
+
+    // Time tracking for PerSecond items.
+    mutable double mLastPerSecondUpdate;
+
+    OverlayState mState;
+    std::unique_ptr<rx::OverlayImpl> mImplementation;
+};
+
+class MockOverlay
+{
+  public:
+    MockOverlay(rx::GLImplFactory *implFactory);
+    ~MockOverlay();
+
+    void init() {}
+    void destroy(const Context *context) {}
+
+    void onSwap() const {}
+
+    const overlay::Mock *getTextWidget(WidgetId id) const { return &mMock; }
+    const overlay::Mock *getCountWidget(WidgetId id) const { return &mMock; }
+    const overlay::Mock *getPerSecondWidget(WidgetId id) const { return &mMock; }
+    const overlay::Mock *getRunningGraphWidget(WidgetId id) const { return &mMock; }
+    const overlay::Mock *getRunningHistogramWidget(WidgetId id) const { return &mMock; }
+
+    bool isEnabled() const { return false; }
+
+  private:
+    overlay::Mock mMock;
+};
+
+#if ANGLE_ENABLE_OVERLAY
+using OverlayType            = Overlay;
+using CountWidget            = overlay::Count;
+using PerSecondWidget        = overlay::PerSecond;
+using RunningGraphWidget     = overlay::RunningGraph;
+using RunningHistogramWidget = overlay::RunningHistogram;
+using TextWidget             = overlay::Text;
+#else   // !ANGLE_ENABLE_OVERLAY
+using OverlayType            = MockOverlay;
+using CountWidget            = const overlay::Mock;
+using PerSecondWidget        = const overlay::Mock;
+using RunningGraphWidget     = const overlay::Mock;
+using RunningHistogramWidget = const overlay::Mock;
+using TextWidget             = const overlay::Mock;
+#endif  // ANGLE_ENABLE_OVERLAY
+
+}  // namespace gl
+
+#endif  // LIBANGLE_OVERLAY_H_
diff --git a/gfx/angle/checkout/src/libANGLE/OverlayWidgets.cpp b/gfx/angle/checkout/src/libANGLE/OverlayWidgets.cpp
new file mode 100644
index 0000000000..f0581ce9d8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/OverlayWidgets.cpp
@@ -0,0 +1,737 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// OverlayWidgets.cpp:
+//    Implements functions that interpret widget data.  Data formats and limits correspond to the
+//    Vulkan implementation (as the only implementation).  They are generic enough so other backends
+//    could respect them too, if they implement the overlay.
+//
+
+#include "libANGLE/Overlay.h"
+#include "libANGLE/Overlay_font_autogen.h"
+
+#include <functional>
+
+namespace gl
+{
+namespace
+{
+// Internally, every widget is either Text or Graph.
+enum class WidgetInternalType
+{
+    Text,
+    Graph,
+
+    InvalidEnum,
+    EnumCount = InvalidEnum,
+};
+
+// A map that says how the API-facing widget types map to internal types.
+constexpr angle::PackedEnumMap<WidgetType, WidgetInternalType> kWidgetTypeToInternalMap = {
+    {WidgetType::Count, WidgetInternalType::Text},
+    {WidgetType::Text, WidgetInternalType::Text},
+    {WidgetType::PerSecond, WidgetInternalType::Text},
+    {WidgetType::RunningGraph, WidgetInternalType::Graph},
+    {WidgetType::RunningHistogram, WidgetInternalType::Graph},
+};
+
+// Structures and limits matching uniform buffers in vulkan/shaders/src/OverlayDraw.comp.  The size
+// of text and graph widgets is chosen such that they could fit in uniform buffers with minimum
+// required Vulkan size.
+constexpr size_t kMaxRenderableTextWidgets  = 32;
+constexpr size_t kMaxRenderableGraphWidgets = 32;
+constexpr size_t kMaxTextLength             = 256;
+constexpr size_t kMaxGraphDataSize          = 256;
+
+constexpr angle::PackedEnumMap<WidgetInternalType, size_t> kWidgetInternalTypeMaxWidgets = {
+    {WidgetInternalType::Text, kMaxRenderableTextWidgets},
+    {WidgetInternalType::Graph, kMaxRenderableGraphWidgets},
+};
+
+ANGLE_ENABLE_STRUCT_PADDING_WARNINGS
+
+// Structure matching buffer in vulkan/shaders/src/OverlayCull.comp.
+struct WidgetCoordinates
+{
+    uint32_t coordinates[kMaxRenderableTextWidgets + kMaxRenderableGraphWidgets][4];
+};
+
+// Structures matching buffers in vulkan/shaders/src/OverlayDraw.comp.
+struct TextWidgetData
+{
+    uint32_t coordinates[4];
+    float color[4];
+    uint32_t fontSize[3];
+    uint32_t padding;
+    uint8_t text[kMaxTextLength];
+};
+
+struct GraphWidgetData
+{
+    uint32_t coordinates[4];
+    float color[4];
+    uint32_t valueWidth;
+    uint32_t padding[3];
+    uint32_t values[kMaxGraphDataSize];
+};
+
+struct TextWidgets
+{
+    TextWidgetData widgets[kMaxRenderableTextWidgets];
+};
+
+struct GraphWidgets
+{
+    GraphWidgetData widgets[kMaxRenderableGraphWidgets];
+};
+
+ANGLE_DISABLE_STRUCT_PADDING_WARNINGS
+
+uint32_t GetWidgetCoord(int32_t src, uint32_t extent)
+{
+    int32_t dst = src < 0 ? extent + src : src;
+
+    return std::min<uint32_t>(std::max(dst, 0), extent - 1);
+}
+
+void GetWidgetCoordinates(const int32_t srcCoords[4],
+                          const gl::Extents &imageExtent,
+                          uint32_t dstCoordsOut[4])
+{
+    dstCoordsOut[0] = GetWidgetCoord(srcCoords[0], imageExtent.width);
+    dstCoordsOut[1] = GetWidgetCoord(srcCoords[1], imageExtent.height);
+    dstCoordsOut[2] = GetWidgetCoord(srcCoords[2], imageExtent.width);
+    dstCoordsOut[3] = GetWidgetCoord(srcCoords[3], imageExtent.height);
+}
+
+void GetWidgetColor(const float srcColor[4], float dstColor[4])
+{
+    memcpy(dstColor, srcColor, 4 * sizeof(dstColor[0]));
+}
+
+void GetTextFontSize(int srcFontSize, uint32_t dstFontSize[3])
+{
+    // .xy contains the font glyph width/height
+    dstFontSize[0] = overlay::kFontGlyphWidth >> srcFontSize;
+    dstFontSize[1] = overlay::kFontGlyphHeight >> srcFontSize;
+    // .z contains the mip
+    dstFontSize[2] = srcFontSize;
+}
+
+void GetGraphValueWidth(const int32_t srcCoords[4], size_t valueCount, uint32_t *dstValueWidth)
+{
+    const int32_t graphWidth = std::abs(srcCoords[2] - srcCoords[0]);
+
+    // If valueCount doesn't divide graphWidth, the graph bars won't fit well in its frame.
+    // Fix initOverlayWidgets() in that case.
+    ASSERT(graphWidth % valueCount == 0);
+
+    *dstValueWidth = graphWidth / valueCount;
+}
+
+void GetTextString(const std::string &src, uint8_t textOut[kMaxTextLength])
+{
+    for (size_t i = 0; i < src.length() && i < kMaxTextLength; ++i)
+    {
+        // The font image has 95 ASCII characters starting from ' '.
+        textOut[i] = src[i] - ' ';
+    }
+}
+
+void GetGraphValues(const std::vector<uint64_t> srcValues,
+                    size_t startIndex,
+                    float scale,
+                    uint32_t valuesOut[kMaxGraphDataSize])
+{
+    ASSERT(srcValues.size() <= kMaxGraphDataSize);
+
+    for (size_t i = 0; i < srcValues.size(); ++i)
+    {
+        size_t index = (startIndex + i) % srcValues.size();
+        valuesOut[i] = static_cast<uint32_t>(srcValues[index] * scale);
+    }
+}
+
+std::vector<uint64_t> CreateHistogram(const std::vector<uint64_t> values)
+{
+    std::vector<uint64_t> histogram(values.size(), 0);
+
+    for (uint64_t rank : values)
+    {
+        ++histogram[static_cast<size_t>(rank)];
+    }
+
+    return histogram;
+}
+
+using OverlayWidgetCounts  = angle::PackedEnumMap<WidgetInternalType, uint32_t>;
+using AppendWidgetDataFunc = void (*)(const overlay::Widget *widget,
+                                      const gl::Extents &imageExtent,
+                                      TextWidgetData *textWidget,
+                                      GraphWidgetData *graphWidget,
+                                      OverlayWidgetCounts *widgetCounts);
+}  // namespace
+
+namespace overlay_impl
+{
+#define ANGLE_DECLARE_APPEND_WIDGET_PROC(WIDGET_ID)                                              \
+    static void Append##WIDGET_ID(const overlay::Widget *widget, const gl::Extents &imageExtent, \
+                                  TextWidgetData *textWidget, GraphWidgetData *graphWidget,      \
+                                  OverlayWidgetCounts *widgetCounts);
+
+// This class interprets the generic data collected in every element into a human-understandable
+// widget.  This often means generating text specific to this item and scaling graph data to
+// something sensible.
+class AppendWidgetDataHelper
+{
+  public:
+    ANGLE_WIDGET_ID_X(ANGLE_DECLARE_APPEND_WIDGET_PROC)
+
+  private:
+    static std::ostream &OutputPerSecond(std::ostream &out, const overlay::PerSecond *perSecond);
+
+    static std::ostream &OutputText(std::ostream &out, const overlay::Text *text);
+
+    static std::ostream &OutputCount(std::ostream &out, const overlay::Count *count);
+
+    static void AppendTextCommon(const overlay::Widget *widget,
+                                 const gl::Extents &imageExtent,
+                                 const std::string &text,
+                                 TextWidgetData *textWidget,
+                                 OverlayWidgetCounts *widgetCounts);
+
+    using FormatGraphTitleFunc = std::function<std::string(uint64_t curValue, uint64_t maxValue)>;
+    static void AppendRunningGraphCommon(const overlay::Widget *widget,
+                                         const gl::Extents &imageExtent,
+                                         TextWidgetData *textWidget,
+                                         GraphWidgetData *graphWidget,
+                                         OverlayWidgetCounts *widgetCounts,
+                                         FormatGraphTitleFunc formatFunc);
+
+    using FormatHistogramTitleFunc =
+        std::function<std::string(size_t peakRange, size_t maxValueRange, size_t numRanges)>;
+    static void AppendRunningHistogramCommon(const overlay::Widget *widget,
+                                             const gl::Extents &imageExtent,
+                                             TextWidgetData *textWidget,
+                                             GraphWidgetData *graphWidget,
+                                             OverlayWidgetCounts *widgetCounts,
+                                             FormatHistogramTitleFunc formatFunc);
+
+    static void AppendGraphCommon(const overlay::Widget *widget,
+                                  const gl::Extents &imageExtent,
+                                  const std::vector<uint64_t> runningValues,
+                                  size_t startIndex,
+                                  float scale,
+                                  GraphWidgetData *graphWidget,
+                                  OverlayWidgetCounts *widgetCounts);
+};
+
+void AppendWidgetDataHelper::AppendTextCommon(const overlay::Widget *widget,
+                                              const gl::Extents &imageExtent,
+                                              const std::string &text,
+                                              TextWidgetData *textWidget,
+                                              OverlayWidgetCounts *widgetCounts)
+{
+    GetWidgetCoordinates(widget->coords, imageExtent, textWidget->coordinates);
+    GetWidgetColor(widget->color, textWidget->color);
+    GetTextFontSize(widget->fontSize, textWidget->fontSize);
+    GetTextString(text, textWidget->text);
+
+    ++(*widgetCounts)[WidgetInternalType::Text];
+}
+
+void AppendWidgetDataHelper::AppendGraphCommon(const overlay::Widget *widget,
+                                               const gl::Extents &imageExtent,
+                                               const std::vector<uint64_t> runningValues,
+                                               size_t startIndex,
+                                               float scale,
+                                               GraphWidgetData *graphWidget,
+                                               OverlayWidgetCounts *widgetCounts)
+{
+    const overlay::RunningGraph *widgetAsGraph = static_cast<const overlay::RunningGraph *>(widget);
+
+    GetWidgetCoordinates(widget->coords, imageExtent, graphWidget->coordinates);
+    GetWidgetColor(widget->color, graphWidget->color);
+    GetGraphValueWidth(widget->coords, widgetAsGraph->runningValues.size(),
+                       &graphWidget->valueWidth);
+    GetGraphValues(runningValues, startIndex, scale, graphWidget->values);
+
+    ++(*widgetCounts)[WidgetInternalType::Graph];
+}
+
+void AppendWidgetDataHelper::AppendRunningGraphCommon(
+    const overlay::Widget *widget,
+    const gl::Extents &imageExtent,
+    TextWidgetData *textWidget,
+    GraphWidgetData *graphWidget,
+    OverlayWidgetCounts *widgetCounts,
+    AppendWidgetDataHelper::FormatGraphTitleFunc formatFunc)
+{
+    const overlay::RunningGraph *graph   = static_cast<const overlay::RunningGraph *>(widget);
+    const overlay::Widget *matchToWidget = widget->matchToWidget;
+
+    if (matchToWidget == nullptr)
+    {
+        matchToWidget = widget;
+    }
+    const overlay::RunningGraph *matchToGraph =
+        static_cast<const overlay::RunningGraph *>(matchToWidget);
+
+    const uint64_t maxValue =
+        *std::max_element(graph->runningValues.begin(), graph->runningValues.end());
+    const uint64_t maxValueInMatchToGraph =
+        *std::max_element(matchToGraph->runningValues.begin(), matchToGraph->runningValues.end());
+    const int32_t graphHeight = std::abs(widget->coords[3] - widget->coords[1]);
+    const float graphScale    = static_cast<float>(graphHeight) / maxValueInMatchToGraph;
+
+    const size_t graphSize  = graph->runningValues.size();
+    const size_t currentIdx = graph->lastValueIndex - 1;
+
+    const uint64_t curValue = graph->runningValues[(graphSize + currentIdx) % graphSize];
+
+    AppendGraphCommon(widget, imageExtent, graph->runningValues, graph->lastValueIndex + 1,
+                      graphScale, graphWidget, widgetCounts);
+
+    if ((*widgetCounts)[WidgetInternalType::Text] <
+        kWidgetInternalTypeMaxWidgets[WidgetInternalType::Text])
+    {
+        std::string text = formatFunc(curValue, maxValue);
+        AppendTextCommon(&graph->description, imageExtent, text, textWidget, widgetCounts);
+    }
+}
+
+// static
+void AppendWidgetDataHelper::AppendRunningHistogramCommon(const overlay::Widget *widget,
+                                                          const gl::Extents &imageExtent,
+                                                          TextWidgetData *textWidget,
+                                                          GraphWidgetData *graphWidget,
+                                                          OverlayWidgetCounts *widgetCounts,
+                                                          FormatHistogramTitleFunc formatFunc)
+{
+    const overlay::RunningHistogram *runningHistogram =
+        static_cast<const overlay::RunningHistogram *>(widget);
+
+    std::vector<uint64_t> histogram = CreateHistogram(runningHistogram->runningValues);
+    auto peakRangeIt                = std::max_element(histogram.rbegin(), histogram.rend());
+    const uint64_t peakRangeValue   = *peakRangeIt;
+    const int32_t graphHeight       = std::abs(widget->coords[3] - widget->coords[1]);
+    const float graphScale          = static_cast<float>(graphHeight) / peakRangeValue;
+    auto maxValueIter               = std::find_if(histogram.rbegin(), histogram.rend(),
+                                                   [](uint64_t value) { return value != 0; });
+
+    AppendGraphCommon(widget, imageExtent, histogram, 0, graphScale, graphWidget, widgetCounts);
+
+    if ((*widgetCounts)[WidgetInternalType::Text] <
+        kWidgetInternalTypeMaxWidgets[WidgetInternalType::Text])
+    {
+        size_t peakRange     = std::distance(peakRangeIt, histogram.rend() - 1);
+        size_t maxValueRange = std::distance(maxValueIter, histogram.rend() - 1);
+
+        std::string text = formatFunc(peakRange, maxValueRange, histogram.size());
+        AppendTextCommon(&runningHistogram->description, imageExtent, text, textWidget,
+                         widgetCounts);
+    }
+}
+
+void AppendWidgetDataHelper::AppendFPS(const overlay::Widget *widget,
+                                       const gl::Extents &imageExtent,
+                                       TextWidgetData *textWidget,
+                                       GraphWidgetData *graphWidget,
+                                       OverlayWidgetCounts *widgetCounts)
+{
+    const overlay::PerSecond *fps = static_cast<const overlay::PerSecond *>(widget);
+    std::ostringstream text;
+    text << "FPS: ";
+    OutputPerSecond(text, fps);
+
+    AppendTextCommon(widget, imageExtent, text.str(), textWidget, widgetCounts);
+}
+
+void AppendWidgetDataHelper::AppendVulkanLastValidationMessage(const overlay::Widget *widget,
+                                                               const gl::Extents &imageExtent,
+                                                               TextWidgetData *textWidget,
+                                                               GraphWidgetData *graphWidget,
+                                                               OverlayWidgetCounts *widgetCounts)
+{
+    const overlay::Text *lastValidationMessage = static_cast<const overlay::Text *>(widget);
+    std::ostringstream text;
+    text << "Last VVL Message: ";
+    OutputText(text, lastValidationMessage);
+
+    AppendTextCommon(widget, imageExtent, text.str(), textWidget, widgetCounts);
+}
+
+void AppendWidgetDataHelper::AppendVulkanValidationMessageCount(const overlay::Widget *widget,
+                                                                const gl::Extents &imageExtent,
+                                                                TextWidgetData *textWidget,
+                                                                GraphWidgetData *graphWidget,
+                                                                OverlayWidgetCounts *widgetCounts)
+{
+    const overlay::Count *validationMessageCount = static_cast<const overlay::Count *>(widget);
+    std::ostringstream text;
+    text << "VVL Message Count: ";
+    OutputCount(text, validationMessageCount);
+
+    AppendTextCommon(widget, imageExtent, text.str(), textWidget, widgetCounts);
+}
+
+void AppendWidgetDataHelper::AppendVulkanRenderPassCount(const overlay::Widget *widget,
+                                                         const gl::Extents &imageExtent,
+                                                         TextWidgetData *textWidget,
+                                                         GraphWidgetData *graphWidget,
+                                                         OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "RenderPass Count: " << maxValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanSecondaryCommandBufferPoolWaste(
+    const overlay::Widget *widget,
+    const gl::Extents &imageExtent,
+    TextWidgetData *textWidget,
+    GraphWidgetData *graphWidget,
+    OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](size_t peakRange, size_t maxValueRange, size_t numRanges) {
+        std::ostringstream text;
+        size_t peakPercent = (peakRange * 100 + 50) / numRanges;
+        text << "CB Pool Waste (Peak: " << peakPercent << "%)";
+        return text.str();
+    };
+
+    AppendRunningHistogramCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts,
+                                 format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanRenderPassBufferCount(const overlay::Widget *widget,
+                                                               const gl::Extents &imageExtent,
+                                                               TextWidgetData *textWidget,
+                                                               GraphWidgetData *graphWidget,
+                                                               OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "RP VkBuffers (Max: " << maxValue << ")";
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanWriteDescriptorSetCount(const overlay::Widget *widget,
+                                                                 const gl::Extents &imageExtent,
+                                                                 TextWidgetData *textWidget,
+                                                                 GraphWidgetData *graphWidget,
+                                                                 OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "WriteDescriptorSet Count: " << maxValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanDescriptorSetAllocations(const overlay::Widget *widget,
+                                                                  const gl::Extents &imageExtent,
+                                                                  TextWidgetData *textWidget,
+                                                                  GraphWidgetData *graphWidget,
+                                                                  OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Descriptor Set Allocations: " << maxValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanShaderResourceDSHitRate(const overlay::Widget *widget,
+                                                                 const gl::Extents &imageExtent,
+                                                                 TextWidgetData *textWidget,
+                                                                 GraphWidgetData *graphWidget,
+                                                                 OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Shader Resource DS Hit Rate (Max: " << maxValue << "%)";
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanDynamicBufferAllocations(const overlay::Widget *widget,
+                                                                  const gl::Extents &imageExtent,
+                                                                  TextWidgetData *textWidget,
+                                                                  GraphWidgetData *graphWidget,
+                                                                  OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "DynamicBuffer Allocations (Max: " << maxValue << ")";
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanTextureDescriptorCacheSize(
+    const overlay::Widget *widget,
+    const gl::Extents &imageExtent,
+    TextWidgetData *textWidget,
+    GraphWidgetData *graphWidget,
+    OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Total Texture Descriptor Cache Size: " << curValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanUniformDescriptorCacheSize(
+    const overlay::Widget *widget,
+    const gl::Extents &imageExtent,
+    TextWidgetData *textWidget,
+    GraphWidgetData *graphWidget,
+    OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Total Uniform Descriptor Cache Size: " << curValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanDescriptorCacheSize(const overlay::Widget *widget,
+                                                             const gl::Extents &imageExtent,
+                                                             TextWidgetData *textWidget,
+                                                             GraphWidgetData *graphWidget,
+                                                             OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Total Descriptor Cache Size: " << curValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanDescriptorCacheKeySize(const overlay::Widget *widget,
+                                                                const gl::Extents &imageExtent,
+                                                                TextWidgetData *textWidget,
+                                                                GraphWidgetData *graphWidget,
+                                                                OverlayWidgetCounts *widgetCounts)
+{
+    const overlay::Count *countWidget = static_cast<const overlay::Count *>(widget);
+    std::ostringstream text;
+    double kb = static_cast<double>(countWidget->count) / 1000.0;
+    text << "DS Cache Key Size: " << std::fixed << std::setprecision(1) << kb << " kb";
+
+    AppendTextCommon(widget, imageExtent, text.str(), textWidget, widgetCounts);
+}
+
+void AppendWidgetDataHelper::AppendVulkanAttemptedSubmissions(const overlay::Widget *widget,
+                                                              const gl::Extents &imageExtent,
+                                                              TextWidgetData *textWidget,
+                                                              GraphWidgetData *graphWidget,
+                                                              OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Attempted submissions (peak): " << maxValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanActualSubmissions(const overlay::Widget *widget,
+                                                           const gl::Extents &imageExtent,
+                                                           TextWidgetData *textWidget,
+                                                           GraphWidgetData *graphWidget,
+                                                           OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Actual submissions (peak): " << maxValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanPipelineCacheLookups(const overlay::Widget *widget,
+                                                              const gl::Extents &imageExtent,
+                                                              TextWidgetData *textWidget,
+                                                              GraphWidgetData *graphWidget,
+                                                              OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Pipeline Cache Lookups (peak): " << maxValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanPipelineCacheMisses(const overlay::Widget *widget,
+                                                             const gl::Extents &imageExtent,
+                                                             TextWidgetData *textWidget,
+                                                             GraphWidgetData *graphWidget,
+                                                             OverlayWidgetCounts *widgetCounts)
+{
+    auto format = [](uint64_t curValue, uint64_t maxValue) {
+        std::ostringstream text;
+        text << "Pipeline Cache Misses (peak): " << maxValue;
+        return text.str();
+    };
+
+    AppendRunningGraphCommon(widget, imageExtent, textWidget, graphWidget, widgetCounts, format);
+}
+
+void AppendWidgetDataHelper::AppendVulkanTotalPipelineCacheHitTimeMs(
+    const overlay::Widget *widget,
+    const gl::Extents &imageExtent,
+    TextWidgetData *textWidget,
+    GraphWidgetData *graphWidget,
+    OverlayWidgetCounts *widgetCounts)
+{
+    const overlay::Count *totalTime = static_cast<const overlay::Count *>(widget);
+    std::ostringstream text;
+    text << "Total Pipeline Cache Hit Time: ";
+    OutputCount(text, totalTime);
+    text << "ms";
+
+    AppendTextCommon(widget, imageExtent, text.str(), textWidget, widgetCounts);
+}
+
+void AppendWidgetDataHelper::AppendVulkanTotalPipelineCacheMissTimeMs(
+    const overlay::Widget *widget,
+    const gl::Extents &imageExtent,
+    TextWidgetData *textWidget,
+    GraphWidgetData *graphWidget,
+    OverlayWidgetCounts *widgetCounts)
+{
+    const overlay::Count *totalTime = static_cast<const overlay::Count *>(widget);
+    std::ostringstream text;
+    text << "Total Pipeline Cache Miss Time: ";
+    OutputCount(text, totalTime);
+    text << "ms";
+
+    AppendTextCommon(widget, imageExtent, text.str(), textWidget, widgetCounts);
+}
+
+std::ostream &AppendWidgetDataHelper::OutputPerSecond(std::ostream &out,
+                                                      const overlay::PerSecond *perSecond)
+{
+    return out << perSecond->lastPerSecondCount;
+}
+
+std::ostream &AppendWidgetDataHelper::OutputText(std::ostream &out, const overlay::Text *text)
+{
+    return out << text->text;
+}
+
+std::ostream &AppendWidgetDataHelper::OutputCount(std::ostream &out, const overlay::Count *count)
+{
+    return out << count->count;
+}
+}  // namespace overlay_impl
+
+namespace
+{
+#define ANGLE_APPEND_WIDGET_MAP_PROC(WIDGET_ID) \
+    {WidgetId::WIDGET_ID, overlay_impl::AppendWidgetDataHelper::Append##WIDGET_ID},
+
+constexpr angle::PackedEnumMap<WidgetId, AppendWidgetDataFunc> kWidgetIdToAppendDataFuncMap = {
+    ANGLE_WIDGET_ID_X(ANGLE_APPEND_WIDGET_MAP_PROC)};
+}  // namespace
+
+namespace overlay
+{
+const Text *Widget::getDescriptionWidget() const
+{
+    return nullptr;
+}
+RunningGraph::RunningGraph(size_t n) : runningValues(n, 0) {}
+RunningGraph::~RunningGraph() = default;
+const Text *RunningGraph::getDescriptionWidget() const
+{
+    return &description;
+}
+}  // namespace overlay
+
+size_t OverlayState::getWidgetCoordinatesBufferSize() const
+{
+    return sizeof(WidgetCoordinates);
+}
+
+size_t OverlayState::getTextWidgetsBufferSize() const
+{
+    return sizeof(TextWidgets);
+}
+
+size_t OverlayState::getGraphWidgetsBufferSize() const
+{
+    return sizeof(GraphWidgets);
+}
+
+void OverlayState::fillWidgetData(const gl::Extents &imageExtents,
+                                  uint8_t *textData,
+                                  uint8_t *graphData,
+                                  uint32_t *activeTextWidgetCountOut,
+                                  uint32_t *activeGraphWidgetCountOut) const
+{
+    TextWidgets *textWidgets   = reinterpret_cast<TextWidgets *>(textData);
+    GraphWidgets *graphWidgets = reinterpret_cast<GraphWidgets *>(graphData);
+
+    memset(textWidgets, overlay::kFontCharacters, sizeof(*textWidgets));
+    memset(graphWidgets, 0, sizeof(*graphWidgets));
+
+    OverlayWidgetCounts widgetCounts = {};
+
+    for (WidgetId id : angle::AllEnums<WidgetId>())
+    {
+        const std::unique_ptr<overlay::Widget> &widget = mOverlayWidgets[id];
+        if (!widget->enabled)
+        {
+            continue;
+        }
+
+        WidgetInternalType internalType = kWidgetTypeToInternalMap[widget->type];
+        ASSERT(internalType != WidgetInternalType::InvalidEnum);
+
+        if (widgetCounts[internalType] >= kWidgetInternalTypeMaxWidgets[internalType])
+        {
+            continue;
+        }
+
+        AppendWidgetDataFunc appendFunc = kWidgetIdToAppendDataFuncMap[id];
+        ASSERT(appendFunc);
+        appendFunc(widget.get(), imageExtents,
+                   &textWidgets->widgets[widgetCounts[WidgetInternalType::Text]],
+                   &graphWidgets->widgets[widgetCounts[WidgetInternalType::Graph]], &widgetCounts);
+    }
+
+    *activeTextWidgetCountOut  = widgetCounts[WidgetInternalType::Text];
+    *activeGraphWidgetCountOut = widgetCounts[WidgetInternalType::Graph];
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/OverlayWidgets.h b/gfx/angle/checkout/src/libANGLE/OverlayWidgets.h
new file mode 100644
index 0000000000..b8a5f01e52
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/OverlayWidgets.h
@@ -0,0 +1,201 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// OverlayWidgets.h:
+//    Defines the Overlay* widget classes and corresponding enums.
+//
+
+#ifndef LIBANGLE_OVERLAYWIDGETS_H_
+#define LIBANGLE_OVERLAYWIDGETS_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Overlay_autogen.h"
+
+namespace gl
+{
+class Overlay;
+class OverlayState;
+
+namespace overlay_impl
+{
+class AppendWidgetDataHelper;
+}  // namespace overlay_impl
+
+enum class WidgetType
+{
+    // Text types:
+
+    // A total count of some event.
+    Count,
+    // A single line of ASCII text.  Retains content until changed.
+    Text,
+    // A per-second value.
+    PerSecond,
+
+    // Graph types:
+
+    // A graph of the last N values.
+    RunningGraph,
+    // A histogram of the last N values (values between 0 and 1).
+    RunningHistogram,
+
+    InvalidEnum,
+    EnumCount = InvalidEnum,
+};
+
+namespace overlay
+{
+class Text;
+class Widget
+{
+  public:
+    virtual ~Widget() {}
+
+    virtual const Text *getDescriptionWidget() const;
+
+  protected:
+    WidgetType type;
+    // Whether this item should be drawn.
+    bool enabled = false;
+
+    // For text items, size of the font.  This is a value in [0, overlay::kFontMipCount) which
+    // determines the font size to use.
+    int fontSize;
+
+    // The area covered by the item, predetermined by the overlay class.  Negative values
+    // indicate offset from the left/bottom of the image.
+    int32_t coords[4];
+    float color[4];
+
+    // In some cases, a widget may need to match its contents (e.g. graph height scaling) with
+    // another related widget.  In such a case, this pointer will point to the widget it needs to
+    // match to.
+    Widget *matchToWidget;
+
+    friend class gl::Overlay;
+    friend class gl::OverlayState;
+    friend class overlay_impl::AppendWidgetDataHelper;
+};
+
+class Count : public Widget
+{
+  public:
+    ~Count() override {}
+    void add(uint64_t n) { count += n; }
+    void set(uint64_t n) { count = n; }
+    void reset() { count = 0; }
+
+  protected:
+    uint64_t count = 0;
+
+    friend class gl::Overlay;
+    friend class overlay_impl::AppendWidgetDataHelper;
+};
+
+class PerSecond : public Count
+{
+  public:
+    ~PerSecond() override {}
+
+  protected:
+    uint64_t lastPerSecondCount = 0;
+
+    friend class gl::Overlay;
+    friend class overlay_impl::AppendWidgetDataHelper;
+};
+
+class Text : public Widget
+{
+  public:
+    ~Text() override {}
+    void set(std::string &&str) { text = std::move(str); }
+
+  protected:
+    std::string text;
+
+    friend class overlay_impl::AppendWidgetDataHelper;
+};
+
+class RunningGraph : public Widget
+{
+  public:
+    // Out of line constructor to satisfy chromium-style.
+    RunningGraph(size_t n);
+    ~RunningGraph() override;
+
+    void add(uint64_t n)
+    {
+        if (!ignoreFirstValue)
+        {
+            runningValues[lastValueIndex] += n;
+        }
+    }
+
+    void next()
+    {
+        if (ignoreFirstValue)
+        {
+            ignoreFirstValue = false;
+        }
+        else
+        {
+            lastValueIndex                = (lastValueIndex + 1) % runningValues.size();
+            runningValues[lastValueIndex] = 0;
+        }
+    }
+
+    const Text *getDescriptionWidget() const override;
+
+  protected:
+    std::vector<uint64_t> runningValues;
+    size_t lastValueIndex = 0;
+    Text description;
+    bool ignoreFirstValue = true;
+
+    friend class gl::Overlay;
+    friend class gl::OverlayState;
+    friend class overlay_impl::AppendWidgetDataHelper;
+};
+
+class RunningHistogram : public RunningGraph
+{
+  public:
+    RunningHistogram(size_t n) : RunningGraph(n) {}
+    ~RunningHistogram() override {}
+
+    void set(float n)
+    {
+        ASSERT(n >= 0.0f && n <= 1.0f);
+        uint64_t rank =
+            n == 1.0f ? runningValues.size() - 1 : static_cast<uint64_t>(n * runningValues.size());
+
+        runningValues[lastValueIndex] = rank;
+    }
+
+  private:
+    // Do not use the add() function from RunningGraph
+    using RunningGraph::add;
+};
+
+// If overlay is disabled, all the above classes would be replaced with Mock, turning them into
+// noop.
+class Mock
+{
+  public:
+    void reset() const {}
+    template <typename T>
+    void set(T) const
+    {}
+    template <typename T>
+    void add(T) const
+    {}
+    void next() const {}
+};
+
+}  // namespace overlay
+
+}  // namespace gl
+
+#endif  // LIBANGLE_OVERLAYWIDGETS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Overlay_autogen.cpp b/gfx/angle/checkout/src/libANGLE/Overlay_autogen.cpp
new file mode 100644
index 0000000000..eb2a146188
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Overlay_autogen.cpp
@@ -0,0 +1,824 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_overlay_widgets.py using data from overlay_widgets.json.
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Overlay_autogen.cpp:
+//   Autogenerated overlay widget declarations.
+
+#include "libANGLE/Overlay.h"
+#include "libANGLE/OverlayWidgets.h"
+#include "libANGLE/Overlay_font_autogen.h"
+#include "libANGLE/renderer/driver_utils.h"
+
+namespace gl
+{
+using namespace overlay;
+
+namespace
+{
+int GetFontSize(int fontSize, bool largeFont)
+{
+    if (largeFont && fontSize > 0)
+    {
+        return fontSize - 1;
+    }
+    return fontSize;
+}
+}  // anonymous namespace
+
+void Overlay::initOverlayWidgets()
+{
+    const bool kLargeFont = rx::IsAndroid();
+
+    {
+        PerSecond *widget = new PerSecond;
+        {
+            const int32_t fontSize = GetFontSize(kFontMipLarge, kLargeFont);
+            const int32_t offsetX  = 10;
+            const int32_t offsetY  = 10;
+            const int32_t width    = 12 * (kFontGlyphWidth >> fontSize);
+            const int32_t height   = (kFontGlyphHeight >> fontSize);
+
+            widget->type          = WidgetType::PerSecond;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 0.4980392156862745f;
+            widget->color[1]      = 0.7490196078431373f;
+            widget->color[2]      = 1.0f;
+            widget->color[3]      = 1.0f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::FPS].reset(widget);
+    }
+
+    {
+        Text *widget = new Text;
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX  = 10;
+            const int32_t offsetY  = -10;
+            const int32_t width    = 150 * (kFontGlyphWidth >> fontSize);
+            const int32_t height   = (kFontGlyphHeight >> fontSize);
+
+            widget->type          = WidgetType::Text;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY - height;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.0f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 1.0f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanLastValidationMessage].reset(widget);
+    }
+
+    {
+        Count *widget = new Count;
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX  = 10;
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanLastValidationMessage]->coords[1];
+            const int32_t width  = 25 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->type          = WidgetType::Count;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY - height;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.0f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 1.0f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanValidationMessageCount].reset(widget);
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = 10;
+            const int32_t offsetY  = 100;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 0.29411764705882354f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanRenderPassCount].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanRenderPassCount]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanRenderPassCount]->coords[1];
+            const int32_t width  = 40 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = offsetX + width;
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.29411764705882354f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.0f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(100);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = -50;
+            const int32_t offsetY  = 100;
+            const int32_t width    = 6 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX - width;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 0.29411764705882354f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanRenderPassBufferCount].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanRenderPassBufferCount]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanRenderPassBufferCount]->coords[1];
+            const int32_t width  = 40 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = std::min(offsetX + width, -1);
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 1.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningHistogram *widget = new RunningHistogram(50);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = -50;
+            const int32_t offsetY  = 100;
+            const int32_t width    = 6 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningHistogram;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX - width;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 0.29411764705882354f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanSecondaryCommandBufferPoolWaste].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanSecondaryCommandBufferPoolWaste]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanSecondaryCommandBufferPoolWaste]->coords[1];
+            const int32_t width  = 40 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = std::min(offsetX + width, -1);
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 1.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = 10;
+            const int32_t offsetY  = 220;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 0.29411764705882354f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanWriteDescriptorSetCount].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanWriteDescriptorSetCount]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanWriteDescriptorSetCount]->coords[1];
+            const int32_t width  = 40 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = offsetX + width;
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.29411764705882354f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.0f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = 0;
+            const int32_t offsetY  = 250;
+            const int32_t width    = 6 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.0f;
+            widget->color[2]      = 0.29411764705882354f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanDescriptorSetAllocations].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanDescriptorSetAllocations]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanDescriptorSetAllocations]->coords[1];
+            const int32_t width  = 40 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = offsetX + width;
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 1.0f;
+            widget->description.color[1]      = 0.0f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = -50;
+            const int32_t offsetY  = 360;
+            const int32_t width    = 6 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX - width;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.0f;
+            widget->color[2]      = 0.29411764705882354f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanShaderResourceDSHitRate].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanShaderResourceDSHitRate]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanShaderResourceDSHitRate]->coords[1];
+            const int32_t width  = 40 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = std::min(offsetX + width, -1);
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 1.0f;
+            widget->description.color[1]      = 0.0f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(120);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = -50;
+            const int32_t offsetY  = -50;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX - width;
+            widget->coords[1]     = offsetY - height;
+            widget->coords[2]     = offsetX;
+            widget->coords[3]     = offsetY;
+            widget->color[0]      = 0.0f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 0.29411764705882354f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanDynamicBufferAllocations].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanDynamicBufferAllocations]->coords[2];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanDynamicBufferAllocations]->coords[1];
+            const int32_t width  = 40 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX - width;
+            widget->description.coords[1]     = offsetY - height;
+            widget->description.coords[2]     = offsetX;
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = 0;
+            const int32_t offsetY  = 450;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 0.0f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 0.7254901960784313f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanDescriptorCacheSize].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanDescriptorCacheSize]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanDescriptorCacheSize]->coords[1];
+            const int32_t width  = 90 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = offsetX + width;
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = 0;
+            const int32_t offsetY  = 450;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 0.0f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 0.29411764705882354f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanTextureDescriptorCacheSize].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanTextureDescriptorCacheSize]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanTextureDescriptorCacheSize]->coords[1];
+            const int32_t width  = 90 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = offsetX + width;
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = 0;
+            const int32_t offsetY  = 450;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 0.0f;
+            widget->color[1]      = 0.7843137254901961f;
+            widget->color[2]      = 1.0f;
+            widget->color[3]      = 0.7843137254901961f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanUniformDescriptorCacheSize].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanUniformDescriptorCacheSize]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanUniformDescriptorCacheSize]->coords[1];
+            const int32_t width  = 90 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = offsetX + width;
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        Count *widget = new Count;
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX  = 10;
+            const int32_t offsetY  = 100;
+            const int32_t width    = 30 * (kFontGlyphWidth >> fontSize);
+            const int32_t height   = (kFontGlyphHeight >> fontSize);
+
+            widget->type          = WidgetType::Count;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX + width;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 1.0f;
+            widget->color[2]      = 1.0f;
+            widget->color[3]      = 1.0f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanDescriptorCacheKeySize].reset(widget);
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = -50;
+            const int32_t offsetY  = 50;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX - width;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = offsetX;
+            widget->coords[3]     = offsetY + height;
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.0f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 0.39215686274509803f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanAttemptedSubmissions].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanAttemptedSubmissions]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanAttemptedSubmissions]->coords[1];
+            const int32_t width  = 45 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = std::max(offsetY - height, 1);
+            widget->description.coords[2]     = std::min(offsetX + width, -1);
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.7843137254901961f;
+            widget->description.color[1]      = 0.0f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanAttemptedSubmissions]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanAttemptedSubmissions]->coords[1];
+            const int32_t width  = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height = 100;
+
+            widget->type      = WidgetType::RunningGraph;
+            widget->fontSize  = fontSize;
+            widget->coords[0] = offsetX;
+            widget->coords[1] = offsetY;
+            widget->coords[2] = std::min(offsetX + width, -1);
+            widget->coords[3] = offsetY + height;
+            widget->color[0]  = 0.0f;
+            widget->color[1]  = 1.0f;
+            widget->color[2]  = 0.0f;
+            widget->color[3]  = 0.7843137254901961f;
+            widget->matchToWidget =
+                mState.mOverlayWidgets[WidgetId::VulkanAttemptedSubmissions].get();
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanActualSubmissions].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanActualSubmissions]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanActualSubmissions]->coords[3];
+            const int32_t width  = 45 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = offsetY;
+            widget->description.coords[2]     = std::min(offsetX + width, -1);
+            widget->description.coords[3]     = offsetY + height;
+            widget->description.color[0]      = 0.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX  = -50;
+            const int32_t offsetY  = -50;
+            const int32_t width    = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height   = 100;
+
+            widget->type          = WidgetType::RunningGraph;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX - width;
+            widget->coords[1]     = offsetY - height;
+            widget->coords[2]     = offsetX;
+            widget->coords[3]     = offsetY;
+            widget->color[0]      = 0.0f;
+            widget->color[1]      = 1.0f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 0.39215686274509803f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups]->coords[1];
+            const int32_t width  = 45 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = offsetY - height;
+            widget->description.coords[2]     = std::min(offsetX + width, -1);
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.0f;
+            widget->description.color[1]      = 0.7843137254901961f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        RunningGraph *widget = new RunningGraph(60);
+        {
+            const int32_t fontSize = GetFontSize(0, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups]->coords[1];
+            const int32_t width  = 5 * static_cast<uint32_t>(widget->runningValues.size());
+            const int32_t height = 100;
+
+            widget->type      = WidgetType::RunningGraph;
+            widget->fontSize  = fontSize;
+            widget->coords[0] = offsetX;
+            widget->coords[1] = offsetY;
+            widget->coords[2] = std::min(offsetX + width, -1);
+            widget->coords[3] = std::min(offsetY + height, -1);
+            widget->color[0]  = 1.0f;
+            widget->color[1]  = 0.0f;
+            widget->color[2]  = 0.0f;
+            widget->color[3]  = 0.7843137254901961f;
+            widget->matchToWidget =
+                mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups].get();
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheMisses].reset(widget);
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX  = mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups]
+                                        ->getDescriptionWidget()
+                                        ->coords[0];
+            const int32_t offsetY = mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheLookups]
+                                        ->getDescriptionWidget()
+                                        ->coords[1];
+            const int32_t width  = 45 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->description.type          = WidgetType::Text;
+            widget->description.fontSize      = fontSize;
+            widget->description.coords[0]     = offsetX;
+            widget->description.coords[1]     = offsetY - height;
+            widget->description.coords[2]     = std::min(offsetX + width, -1);
+            widget->description.coords[3]     = offsetY;
+            widget->description.color[0]      = 0.7843137254901961f;
+            widget->description.color[1]      = 0.0f;
+            widget->description.color[2]      = 0.29411764705882354f;
+            widget->description.color[3]      = 1.0f;
+            widget->description.matchToWidget = nullptr;
+        }
+    }
+
+    {
+        Count *widget = new Count;
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheMisses]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanPipelineCacheMisses]->coords[3];
+            const int32_t width  = 45 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->type          = WidgetType::Count;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = std::min(offsetX + width, -1);
+            widget->coords[3]     = std::min(offsetY + height, -1);
+            widget->color[0]      = 1.0f;
+            widget->color[1]      = 0.0f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 1.0f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanTotalPipelineCacheMissTimeMs].reset(widget);
+    }
+
+    {
+        Count *widget = new Count;
+        {
+            const int32_t fontSize = GetFontSize(kFontMipSmall, kLargeFont);
+            const int32_t offsetX =
+                mState.mOverlayWidgets[WidgetId::VulkanTotalPipelineCacheMissTimeMs]->coords[0];
+            const int32_t offsetY =
+                mState.mOverlayWidgets[WidgetId::VulkanTotalPipelineCacheMissTimeMs]->coords[3];
+            const int32_t width  = 45 * (kFontGlyphWidth >> fontSize);
+            const int32_t height = (kFontGlyphHeight >> fontSize);
+
+            widget->type          = WidgetType::Count;
+            widget->fontSize      = fontSize;
+            widget->coords[0]     = offsetX;
+            widget->coords[1]     = offsetY;
+            widget->coords[2]     = std::min(offsetX + width, -1);
+            widget->coords[3]     = std::min(offsetY + height, -1);
+            widget->color[0]      = 0.0f;
+            widget->color[1]      = 1.0f;
+            widget->color[2]      = 0.0f;
+            widget->color[3]      = 1.0f;
+            widget->matchToWidget = nullptr;
+        }
+        mState.mOverlayWidgets[WidgetId::VulkanTotalPipelineCacheHitTimeMs].reset(widget);
+    }
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Overlay_autogen.h b/gfx/angle/checkout/src/libANGLE/Overlay_autogen.h
new file mode 100644
index 0000000000..32ddd88559
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Overlay_autogen.h
@@ -0,0 +1,83 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_overlay_widgets.py using data from overlay_widgets.json.
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Overlay_autogen.cpp:
+//   Autogenerated overlay widget declarations.
+
+namespace gl
+{
+enum class WidgetId
+{
+    // Frames per second (Count/Second).
+    FPS,
+    // Last validation error (Text).
+    VulkanLastValidationMessage,
+    // Number of validation errors and warnings (Count).
+    VulkanValidationMessageCount,
+    // Number of RenderPasses in a frame (Count).
+    VulkanRenderPassCount,
+    // Number of buffers used in RenderPasses (Count).
+    VulkanRenderPassBufferCount,
+    // Secondary Command Buffer pool memory waste (Bytes).
+    VulkanSecondaryCommandBufferPoolWaste,
+    // Number of Descriptor Set writes in a frame (Count).
+    VulkanWriteDescriptorSetCount,
+    // Descriptor Set Allocations.
+    VulkanDescriptorSetAllocations,
+    // Shader Resource Descriptor Set Cache Hit Rate.
+    VulkanShaderResourceDSHitRate,
+    // Buffer Allocations Made By vk::DynamicBuffer.
+    VulkanDynamicBufferAllocations,
+    // Total size of all descriptor set caches
+    VulkanDescriptorCacheSize,
+    // Number of cached Texture descriptor sets
+    VulkanTextureDescriptorCacheSize,
+    // Number of cached default uniform descriptor sets
+    VulkanUniformDescriptorCacheSize,
+    // Total size of all keys in the descriptor set caches
+    VulkanDescriptorCacheKeySize,
+    // Number of times the Vulkan backend attempted to submit commands
+    VulkanAttemptedSubmissions,
+    // Number of times the Vulkan backend actually submitted commands
+    VulkanActualSubmissions,
+    // Number of times the Vulkan backend has looked up the pipeline cache
+    VulkanPipelineCacheLookups,
+    // Number of times the Vulkan backend has missed the pipeline cache
+    VulkanPipelineCacheMisses,
+    // Total time spent creating pipelines that missed the cache.
+    VulkanTotalPipelineCacheMissTimeMs,
+    // Total time spent creating pipelines that hit the cache.
+    VulkanTotalPipelineCacheHitTimeMs,
+
+    InvalidEnum,
+    EnumCount = InvalidEnum,
+};
+
+// We can use this "X" macro to generate multiple code patterns.
+#define ANGLE_WIDGET_ID_X(PROC)                 \
+    PROC(FPS)                                   \
+    PROC(VulkanLastValidationMessage)           \
+    PROC(VulkanValidationMessageCount)          \
+    PROC(VulkanRenderPassCount)                 \
+    PROC(VulkanRenderPassBufferCount)           \
+    PROC(VulkanSecondaryCommandBufferPoolWaste) \
+    PROC(VulkanWriteDescriptorSetCount)         \
+    PROC(VulkanDescriptorSetAllocations)        \
+    PROC(VulkanShaderResourceDSHitRate)         \
+    PROC(VulkanDynamicBufferAllocations)        \
+    PROC(VulkanDescriptorCacheSize)             \
+    PROC(VulkanTextureDescriptorCacheSize)      \
+    PROC(VulkanUniformDescriptorCacheSize)      \
+    PROC(VulkanDescriptorCacheKeySize)          \
+    PROC(VulkanAttemptedSubmissions)            \
+    PROC(VulkanActualSubmissions)               \
+    PROC(VulkanPipelineCacheLookups)            \
+    PROC(VulkanPipelineCacheMisses)             \
+    PROC(VulkanTotalPipelineCacheMissTimeMs)    \
+    PROC(VulkanTotalPipelineCacheHitTimeMs)
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Overlay_font_autogen.cpp b/gfx/angle/checkout/src/libANGLE/Overlay_font_autogen.cpp
new file mode 100644
index 0000000000..7df5893304
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Overlay_font_autogen.cpp
@@ -0,0 +1,5078 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_overlay_fonts.py using images from overlay/DejaVuSansMono-Bold.ttf.
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Overlay_font_autogen.cpp:
+//   Autogenerated overlay font data.
+
+#include "libANGLE/Overlay_font_autogen.h"
+#include "libANGLE/Overlay.h"
+
+#include <numeric>
+
+namespace gl
+{
+using namespace overlay;
+
+// Save binary size if the font images are never to be used.
+#if ANGLE_ENABLE_OVERLAY
+namespace
+{
+constexpr uint8_t kFontData[67830] = {
+    // clang-format off
+// Large
+// ' '
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '!'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1D,0xFF,0xFF,0xFF,0x95,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x05,0xFE,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xEB,0xFF,0xFF,0x64,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD2,0xFF,0xFF,0x4C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xB9,0xFF,0xFF,0x34,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '"'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,0xBC,0xFF,0xFF,0xE4,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '#'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x43,0xFF,0xFF,0xE1,   0,   0,0x43,0xFF,0xFF,0xE7,   0,
+   0,   0,   0,   0,   0,   0,0x87,0xFF,0xFF,0x9C,   0,   0,0x87,0xFF,0xFF,0xA2,   0,
+   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0x57,   0,   0,0xCB,0xFF,0xFF,0x5B,   0,
+   0,   0,   0,   0,   0,0x13,0xFD,0xFF,0xFE,0x14,   0,0x11,0xFD,0xFF,0xFE,0x16,   0,
+   0,   0,   0,   0,   0,0x56,0xFF,0xFF,0xCE,   0,   0,0x52,0xFF,0xFF,0xCF,   0,   0,
+   0,0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+   0,0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+   0,0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+   0,   0,   0,   0,0x5F,0xFF,0xFF,0xC1,   0,   0,0x56,0xFF,0xFF,0xC9,   0,   0,   0,
+   0,   0,   0,   0,0xA3,0xFF,0xFF,0x7E,   0,   0,0x99,0xFF,0xFF,0x86,   0,   0,   0,
+   0,   0,   0,   0,0xE5,0xFF,0xFF,0x3B,   0,   0,0xDC,0xFF,0xFF,0x43,   0,   0,   0,
+   0,   0,   0,0x2A,0xFF,0xFF,0xF4,0x05,   0,0x1E,0xFF,0xFF,0xF8,0x08,   0,   0,   0,
+0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC8,   0,
+0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC8,   0,
+0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC8,   0,
+   0,   0,0x2F,0xFF,0xFF,0xF1,0x04,   0,0x27,0xFF,0xFF,0xF6,0x07,   0,   0,   0,   0,
+   0,   0,0x73,0xFF,0xFF,0xB1,   0,   0,0x6B,0xFF,0xFF,0xB9,   0,   0,   0,   0,   0,
+   0,   0,0xB7,0xFF,0xFF,0x6D,   0,   0,0xAF,0xFF,0xFF,0x75,   0,   0,   0,   0,   0,
+   0,0x05,0xF4,0xFF,0xFF,0x29,   0,0x03,0xEF,0xFF,0xFF,0x31,   0,   0,   0,   0,   0,
+   0,0x3E,0xFF,0xFF,0xE5,   0,   0,0x36,0xFF,0xFF,0xEC,0x01,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '$'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xD4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xD5,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xD7,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x0E,0x79,0xCA,0xF4,0xFF,0xFF,0xE6,0xBF,0x81,0x32,   0,   0,   0,
+   0,   0,   0,0x2A,0xE2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,0x05,0xDB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x24,   0,   0,
+   0,   0,0x58,0xFF,0xFF,0xFF,0xB5,0x46,0xFF,0xD4,0x1F,0x63,0xD0,0xFF,0x24,   0,   0,
+   0,   0,0x94,0xFF,0xFF,0xFF,0x2A,0x2C,0xFF,0xD4,   0,   0,0x02,0x7A,0x21,   0,   0,
+   0,   0,0xA7,0xFF,0xFF,0xFF,0x1B,0x2C,0xFF,0xD4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x96,0xFF,0xFF,0xFF,0x6B,0x2C,0xFF,0xD4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x58,0xFF,0xFF,0xFF,0xFB,0xA8,0xFF,0xD5,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x05,0xD8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xEA,0xA6,0x3F,   0,   0,   0,   0,
+   0,   0,   0,0x25,0xDB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA0,0x06,   0,   0,
+   0,   0,   0,   0,0x09,0x76,0xDA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x91,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x43,0xFF,0xEF,0xD6,0xFF,0xFF,0xFF,0xFB,0x1A,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xD4,0x04,0xB8,0xFF,0xFF,0xFF,0x5A,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xD4,   0,0x59,0xFF,0xFF,0xFF,0x72,   0,
+   0,   0,0x77,0x5F,0x02,   0,   0,0x2C,0xFF,0xD4,   0,0x6D,0xFF,0xFF,0xFF,0x62,   0,
+   0,   0,0x90,0xFF,0xDB,0x76,0x2D,0x35,0xFF,0xD5,0x3C,0xE5,0xFF,0xFF,0xFF,0x24,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA3,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB9,0x0A,   0,   0,
+   0,   0,0x0A,0x46,0x88,0xBE,0xDC,0xF7,0xFF,0xFF,0xEC,0xB9,0x5A,0x02,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x30,0xFF,0xD6,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2F,0xFF,0xD5,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2E,0xFF,0xD4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2D,0xFF,0xD4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '%'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x40,0xBD,0xF4,0xF2,0xB9,0x39,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x5E,0xFD,0xFF,0xFF,0xFF,0xFF,0xFB,0x53,   0,   0,   0,   0,   0,   0,   0,   0,
+0x18,0xF5,0xFF,0xCD,0x22,0x26,0xD4,0xFF,0xF2,0x14,   0,   0,   0,   0,   0,   0,   0,
+0x67,0xFF,0xFF,0x3E,   0,   0,0x47,0xFF,0xFF,0x61,   0,   0,   0,   0,   0,   0,   0,
+0x82,0xFF,0xFF,0x15,   0,   0,0x1D,0xFF,0xFF,0x7D,   0,   0,   0,   0,   0,   0,   0,
+0x68,0xFF,0xFF,0x3E,   0,   0,0x46,0xFF,0xFF,0x62,   0,   0,   0,   0,   0,   0,   0,
+0x19,0xF6,0xFF,0xCD,0x22,0x24,0xD2,0xFF,0xF2,0x14,   0,   0,   0,   0,   0,0x02,   0,
+   0,0x60,0xFD,0xFF,0xFF,0xFF,0xFF,0xFC,0x57,   0,   0,   0,   0,0x19,0x7C,0xE1,0x45,
+   0,   0,0x42,0xBE,0xF5,0xF3,0xBB,0x3C,   0,   0,0x01,0x47,0xAE,0xFB,0xD4,0x6F,0x11,
+   0,   0,   0,   0,   0,   0,   0,   0,0x17,0x78,0xDE,0xF5,0xA0,0x3A,   0,   0,   0,
+   0,   0,   0,   0,   0,0x01,0x43,0xAA,0xFA,0xD0,0x6B,0x0F,   0,   0,   0,   0,   0,
+   0,   0,   0,0x15,0x75,0xDB,0xF4,0x9C,0x37,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x3A,0xA7,0xF9,0xCD,0x68,0x0D,   0,   0,   0,0x67,0xD1,0xF8,0xE9,0x9F,0x1C,   0,
+   0,0x6F,0x99,0x32,   0,   0,   0,   0,   0,0x9A,0xFF,0xFF,0xFF,0xFF,0xFF,0xE9,0x25,
+   0,   0,   0,   0,   0,   0,   0,   0,0x4D,0xFF,0xFF,0xA0,0x12,0x49,0xF3,0xFF,0xC6,
+   0,   0,   0,   0,   0,   0,   0,   0,0xA7,0xFF,0xF3,0x0B,   0,   0,0x89,0xFF,0xFF,
+   0,   0,   0,   0,   0,   0,   0,   0,0xC2,0xFF,0xD5,   0,   0,   0,0x5D,0xFF,0xFF,
+   0,   0,   0,   0,   0,   0,   0,   0,0xA8,0xFF,0xF2,0x09,   0,   0,0x87,0xFF,0xFF,
+   0,   0,   0,   0,   0,   0,   0,   0,0x4F,0xFF,0xFF,0x9B,0x11,0x46,0xF2,0xFF,0xC7,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x9E,0xFF,0xFF,0xFF,0xFF,0xFF,0xEB,0x27,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x01,0x69,0xD2,0xF9,0xEA,0xA1,0x1E,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '&'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x01,0x56,0xB0,0xE2,0xF7,0xF8,0xDA,0x95,0x36,   0,   0,   0,   0,
+   0,   0,   0,0x07,0xB7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,
+   0,   0,   0,0x7B,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,
+   0,   0,   0,0xCF,0xFF,0xFF,0xFF,0x98,0x1B,0x08,0x26,0x5D,0xC4,0x13,   0,   0,   0,
+   0,   0,   0,0xE1,0xFF,0xFF,0xFF,0x29,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xB6,0xFF,0xFF,0xFF,0x75,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x52,0xFF,0xFF,0xFF,0xF0,0x19,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xC3,0xFF,0xFF,0xFF,0xB8,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x5D,0xF5,0xFF,0xFF,0xFF,0xFF,0x66,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x77,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF1,0x1D,   0,   0,   0,   0,   0,   0,
+   0,0x45,0xFD,0xFF,0xFF,0xCB,0xA3,0xFF,0xFF,0xFF,0xB7,   0,   0,0x18,0xFF,0xFF,0xFF,
+   0,0xCB,0xFF,0xFF,0xE9,0x14,0x0E,0xE6,0xFF,0xFF,0xFF,0x60,   0,0x0B,0xFF,0xFF,0xFF,
+0x2E,0xFF,0xFF,0xFF,0x89,   0,   0,0x55,0xFF,0xFF,0xFF,0xEF,0x19,0x1D,0xFF,0xFF,0xFF,
+0x59,0xFF,0xFF,0xFF,0x5F,   0,   0,   0,0xB5,0xFF,0xFF,0xFF,0xB1,0x48,0xFF,0xFF,0xEA,
+0x71,0xFF,0xFF,0xFF,0x6B,   0,   0,   0,0x20,0xF5,0xFF,0xFF,0xFF,0xDB,0xFF,0xFF,0xAF,
+0x5F,0xFF,0xFF,0xFF,0xB1,   0,   0,   0,   0,0x76,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x4F,
+0x25,0xFF,0xFF,0xFF,0xFE,0x46,   0,   0,   0,0x04,0xD1,0xFF,0xFF,0xFF,0xFF,0xC7,0x02,
+   0,0xBE,0xFF,0xFF,0xFF,0xF5,0x6E,0x15,0x09,0x44,0xCB,0xFF,0xFF,0xFF,0xFF,0x5A,   0,
+   0,0x27,0xEE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD8,0x07,
+   0,   0,0x31,0xDD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x85,
+   0,   0,   0,0x09,0x69,0xBB,0xEA,0xFB,0xF3,0xD3,0x94,0x3C,0x55,0xFF,0xFF,0xFF,0xFA,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '''
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0x84,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '('
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x77,0xFF,0xFF,0xD4,0x01,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x23,0xF6,0xFF,0xFF,0x5A,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0xAE,0xFF,0xFF,0xDB,0x03,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x37,0xFF,0xFF,0xFF,0x69,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFA,0x13,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1E,0xFD,0xFF,0xFF,0xB3,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xCB,0xFF,0xFF,0xFF,0x1F,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x0F,0xFE,0xFF,0xFF,0xE8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x42,0xFF,0xFF,0xFF,0xB2,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x68,0xFF,0xFF,0xFF,0x95,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0x82,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x8F,0xFF,0xFF,0xFF,0x70,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x8F,0xFF,0xFF,0xFF,0x71,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0x83,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x68,0xFF,0xFF,0xFF,0x95,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x41,0xFF,0xFF,0xFF,0xB4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x0E,0xFE,0xFF,0xFF,0xE9,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xCA,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x7A,0xFF,0xFF,0xFF,0x5D,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1D,0xFD,0xFF,0xFF,0xB5,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAF,0xFF,0xFF,0xFB,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x35,0xFF,0xFF,0xFF,0x6B,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0xAD,0xFF,0xFF,0xDC,0x03,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x22,0xF6,0xFF,0xFF,0x5A,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x76,0xFF,0xFF,0xD4,0x01,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// ')'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x62,0xFF,0xFF,0xE1,0x0C,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x05,0xE0,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x69,0xFF,0xFF,0xFB,0x28,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x07,0xEC,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x97,0xFF,0xFF,0xFD,0x27,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3D,0xFF,0xFF,0xFF,0x8F,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x01,0xE3,0xFF,0xFF,0xEB,0x03,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x3E,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x71,0xFF,0xFF,0xFF,0x80,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x3B,0xFF,0xFF,0xFF,0xB6,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1E,0xFF,0xFF,0xFF,0xDB,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x0B,0xFF,0xFF,0xFF,0xF6,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0xF8,0xFF,0xFF,0xFF,0x03,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0xF9,0xFF,0xFF,0xFF,0x02,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x0C,0xFF,0xFF,0xFF,0xF5,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1E,0xFF,0xFF,0xFF,0xDA,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xB5,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x73,0xFF,0xFF,0xFF,0x7F,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xA9,0xFF,0xFF,0xFF,0x3C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x01,0xE4,0xFF,0xFF,0xEA,0x03,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3E,0xFF,0xFF,0xFF,0x8F,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x98,0xFF,0xFF,0xFD,0x27,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x07,0xEC,0xFF,0xFF,0xAB,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x6A,0xFF,0xFF,0xFB,0x27,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x05,0xE0,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x62,0xFF,0xFF,0xE1,0x0C,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '*'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x84,0xFF,0xE8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x84,0xFF,0xE8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x84,0xFF,0xE8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x7E,0xA7,0x2A,   0,   0,0x84,0xFF,0xE8,   0,   0,0x0B,0x74,0xC7,0x09,   0,
+   0,0x15,0xF6,0xFF,0xFD,0xAA,0x2D,0x84,0xFF,0xE8,0x0D,0x78,0xEB,0xFF,0xFF,0x73,   0,
+   0,   0,0x2B,0xA2,0xFB,0xFF,0xFE,0xE8,0xFF,0xF9,0xED,0xFF,0xFF,0xD2,0x5B,0x03,   0,
+   0,   0,   0,   0,0x1E,0x92,0xF5,0xFF,0xFF,0xFF,0xFF,0xC5,0x4D,0x01,   0,   0,   0,
+   0,   0,   0,   0,0x1E,0x91,0xF5,0xFF,0xFF,0xFF,0xFF,0xC5,0x4C,0x01,   0,   0,   0,
+   0,   0,0x2A,0xA1,0xFB,0xFF,0xFD,0xE4,0xFF,0xF8,0xE9,0xFF,0xFF,0xD2,0x5A,0x03,   0,
+   0,0x15,0xF6,0xFF,0xFD,0xA7,0x28,0x84,0xFF,0xE8,0x0A,0x74,0xE9,0xFF,0xFF,0x73,   0,
+   0,   0,0x7E,0xA7,0x28,   0,   0,0x84,0xFF,0xE8,   0,   0,0x0A,0x73,0xC8,0x09,   0,
+   0,   0,   0,   0,   0,   0,   0,0x84,0xFF,0xE8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x84,0xFF,0xE8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x84,0xFF,0xE8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '+'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xF4,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// ','
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xF4,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xF4,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xF4,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x7A,0xFF,0xFF,0xFF,0xEF,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xAD,0xFF,0xFF,0xFF,0x8C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x02,0xEE,0xFF,0xFF,0xF2,0x14,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x35,0xFF,0xFF,0xFF,0x7F,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x7A,0xFF,0xFF,0xEB,0x0D,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xBE,0xFF,0xFF,0x73,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '-'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xBC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x34,   0,   0,   0,
+   0,   0,   0,   0,0xBC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x34,   0,   0,   0,
+   0,   0,   0,   0,0xBC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x34,   0,   0,   0,
+   0,   0,   0,   0,0xBC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x34,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '.'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '/'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x80,0xFF,0xFF,0xA0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x0A,0xEB,0xFF,0xFE,0x2B,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x6D,0xFF,0xFF,0xB2,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x04,0xDF,0xFF,0xFF,0x3C,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x5B,0xFF,0xFF,0xC5,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xD1,0xFF,0xFF,0x4E,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x49,0xFF,0xFF,0xD7,0x01,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0xBF,0xFF,0xFF,0x61,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x36,0xFF,0xFF,0xE4,0x06,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0xAD,0xFF,0xFF,0x74,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x26,0xFD,0xFF,0xF0,0x0D,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x9B,0xFF,0xFF,0x86,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x18,0xF8,0xFF,0xF8,0x18,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x88,0xFF,0xFF,0x99,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x0E,0xF0,0xFF,0xFD,0x25,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x76,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x06,0xE6,0xFF,0xFF,0x36,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x64,0xFF,0xFF,0xBE,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x02,0xD8,0xFF,0xFF,0x48,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x51,0xFF,0xFF,0xD1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xC8,0xFF,0xFF,0x5A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x3F,0xFF,0xFF,0xE0,0x04,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB6,0xFF,0xFF,0x6D,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x2D,0xFF,0xFF,0xEC,0x0A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '0'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x39,0xA2,0xE0,0xF8,0xEB,0xC5,0x6F,0x07,   0,   0,   0,   0,
+   0,   0,   0,   0,0x81,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD3,0x1C,   0,   0,   0,
+   0,   0,   0,0x66,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCF,0x06,   0,   0,
+   0,   0,0x0E,0xED,0xFF,0xFF,0xFF,0x80,0x0D,0x33,0xE0,0xFF,0xFF,0xFF,0x6C,   0,   0,
+   0,   0,0x69,0xFF,0xFF,0xFF,0xC2,   0,   0,   0,0x4D,0xFF,0xFF,0xFF,0xDA,   0,   0,
+   0,   0,0xB5,0xFF,0xFF,0xFF,0x69,   0,   0,   0,0x04,0xF0,0xFF,0xFF,0xFF,0x28,   0,
+   0,   0,0xEC,0xFF,0xFF,0xFF,0x36,   0,   0,   0,   0,0xC1,0xFF,0xFF,0xFF,0x5F,   0,
+   0,0x14,0xFF,0xFF,0xFF,0xFF,0x15,   0,   0,   0,   0,0x9F,0xFF,0xFF,0xFF,0x86,   0,
+   0,0x2E,0xFF,0xFF,0xFF,0xFE,0x03,0x61,0xEF,0xBE,0x0B,0x8B,0xFF,0xFF,0xFF,0xA0,   0,
+   0,0x39,0xFF,0xFF,0xFF,0xF9,   0,0xEF,0xFF,0xFF,0x67,0x83,0xFF,0xFF,0xFF,0xAC,   0,
+   0,0x41,0xFF,0xFF,0xFF,0xF5,   0,0xF0,0xFF,0xFF,0x68,0x7E,0xFF,0xFF,0xFF,0xB5,   0,
+   0,0x39,0xFF,0xFF,0xFF,0xF9,   0,0x64,0xEF,0xBE,0x0C,0x83,0xFF,0xFF,0xFF,0xAC,   0,
+   0,0x2E,0xFF,0xFF,0xFF,0xFE,0x03,   0,   0,   0,   0,0x8B,0xFF,0xFF,0xFF,0xA0,   0,
+   0,0x14,0xFF,0xFF,0xFF,0xFF,0x15,   0,   0,   0,   0,0x9F,0xFF,0xFF,0xFF,0x86,   0,
+   0,   0,0xEC,0xFF,0xFF,0xFF,0x36,   0,   0,   0,   0,0xC1,0xFF,0xFF,0xFF,0x5F,   0,
+   0,   0,0xB5,0xFF,0xFF,0xFF,0x68,   0,   0,   0,0x04,0xF0,0xFF,0xFF,0xFF,0x28,   0,
+   0,   0,0x69,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,0x4C,0xFF,0xFF,0xFF,0xDB,   0,   0,
+   0,   0,0x0E,0xED,0xFF,0xFF,0xFF,0x7E,0x0C,0x32,0xDF,0xFF,0xFF,0xFF,0x6D,   0,   0,
+   0,   0,   0,0x66,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD2,0x07,   0,   0,
+   0,   0,   0,   0,0x81,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD5,0x1D,   0,   0,   0,
+   0,   0,   0,   0,   0,0x39,0xA3,0xE0,0xF8,0xED,0xC6,0x70,0x07,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '1'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x1D,0x58,0x92,0xCD,0xFC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,0x04,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,0x04,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,0x04,0xE2,0xA7,0x6C,0x31,0xAF,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xAC,0xFF,0xFF,0xFF,0x68,   0,   0,   0,   0,   0,
+   0,   0,0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x14,
+   0,   0,0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x14,
+   0,   0,0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x14,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '2'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x1A,0x59,0x99,0xCC,0xEC,0xFB,0xF4,0xDE,0xAB,0x55,0x04,   0,   0,   0,   0,
+   0,   0,0xEC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCD,0x22,   0,   0,   0,
+   0,   0,0xEC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0x11,   0,   0,
+   0,   0,0xEC,0xFF,0xBB,0x5E,0x1E,0x08,0x24,0x8C,0xFF,0xFF,0xFF,0xFF,0x89,   0,   0,
+   0,   0,0xAD,0x32,   0,   0,   0,   0,   0,   0,0x9B,0xFF,0xFF,0xFF,0xDC,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x4C,0xFF,0xFF,0xFF,0xFC,0x02,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x42,0xFF,0xFF,0xFF,0xF9,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x81,0xFF,0xFF,0xFF,0xD0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x12,0xEC,0xFF,0xFF,0xFF,0x7A,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0xAE,0xFF,0xFF,0xFF,0xE7,0x0E,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x7D,0xFF,0xFF,0xFF,0xFE,0x4B,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x5F,0xFF,0xFF,0xFF,0xFF,0x77,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x4A,0xFB,0xFF,0xFF,0xFF,0x89,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x38,0xF5,0xFF,0xFF,0xFF,0x93,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x2A,0xED,0xFF,0xFF,0xFF,0x98,0x01,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x1E,0xE3,0xFF,0xFF,0xFF,0x9B,0x01,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x13,0xD7,0xFF,0xFF,0xFF,0x9D,0x01,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x0B,0xC9,0xFF,0xFF,0xFF,0xA0,0x02,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x5F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x0C,   0,
+   0,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x0C,   0,
+   0,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x0C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '3'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x0B,0x47,0x88,0xC2,0xE7,0xF9,0xF9,0xE8,0xBE,0x79,0x18,   0,   0,   0,   0,
+   0,   0,0x98,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF3,0x5E,   0,   0,   0,
+   0,   0,0x98,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x4A,   0,   0,
+   0,   0,0x98,0xFF,0xD6,0x70,0x29,0x08,0x17,0x58,0xE4,0xFF,0xFF,0xFF,0xCB,   0,   0,
+   0,   0,0x7D,0x59,0x01,   0,   0,   0,   0,   0,0x3E,0xFF,0xFF,0xFF,0xFE,0x05,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x04,0xFD,0xFF,0xFF,0xFF,0x0B,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xD8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x14,0x50,0xDC,0xFF,0xFF,0xFF,0x59,   0,   0,
+   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xEA,0x52,   0,   0,   0,
+   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xFF,0xFF,0xB1,0x24,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0x90,0x03,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x01,0x1C,0x5A,0xE3,0xFF,0xFF,0xFF,0x97,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x23,0xF7,0xFF,0xFF,0xFE,0x27,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0x70,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x7D,0xFF,0xFF,0xFF,0x8D,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x93,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x37,0x89,0x0C,   0,   0,   0,   0,   0,   0,0x14,0xE6,0xFF,0xFF,0xFF,0x5E,   0,
+   0,0x3C,0xFF,0xF0,0x92,0x4B,0x1B,0x07,0x16,0x4E,0xD5,0xFF,0xFF,0xFF,0xF5,0x14,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x73,   0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x76,   0,   0,   0,
+   0,0x01,0x30,0x70,0xAF,0xD0,0xE4,0xF7,0xF8,0xE7,0xBD,0x7C,0x1D,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '4'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x08,0xD8,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x8B,0xFF,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x37,0xFC,0xFF,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x07,0xD6,0xFF,0xFF,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x88,0xFF,0xFF,0xF5,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,0x35,0xFC,0xFF,0xFF,0x73,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,0x06,0xD4,0xFF,0xFF,0xA3,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,0x85,0xFF,0xFF,0xEB,0x14,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,0x32,0xFB,0xFF,0xFF,0x5C,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,0x05,0xD2,0xFF,0xFF,0xB8,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,0x82,0xFF,0xFF,0xF4,0x20,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,0x30,0xFA,0xFF,0xFF,0x71,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,0x8F,0xFF,0xFF,0xCA,0x03,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x28,
+   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x28,
+   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x28,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '5'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0xCC,0xEF,0xFA,0xE9,0xB9,0x65,0x05,   0,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD5,0x25,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE4,0x18,   0,   0,
+   0,   0,0x41,0xBF,0x6B,0x32,0x16,0x07,0x29,0x8E,0xFD,0xFF,0xFF,0xFF,0xA6,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x64,0xFF,0xFF,0xFF,0xFE,0x17,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xD6,0xFF,0xFF,0xFF,0x55,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x9F,0xFF,0xFF,0xFF,0x71,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x9F,0xFF,0xFF,0xFF,0x70,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xD1,0xFF,0xFF,0xFF,0x53,   0,
+   0,   0,0x9F,0x0F,   0,   0,   0,   0,   0,   0,0x56,0xFF,0xFF,0xFF,0xFC,0x13,   0,
+   0,   0,0xF8,0xEC,0x80,0x30,0x0A,0x08,0x2D,0x89,0xFA,0xFF,0xFF,0xFF,0x9B,   0,   0,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD6,0x12,   0,   0,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB8,0x17,   0,   0,   0,
+   0,   0,0x20,0x64,0xA7,0xCF,0xE6,0xFA,0xF1,0xD5,0x9C,0x40,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '6'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3D,0x94,0xD3,0xEC,0xF8,0xDD,0xB4,0x60,0x0E,   0,   0,
+   0,   0,   0,   0,0x0F,0xB0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x94,   0,   0,
+   0,   0,   0,0x0C,0xCE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x94,   0,   0,
+   0,   0,   0,0x91,0xFF,0xFF,0xFF,0xE3,0x62,0x19,0x07,0x2D,0x91,0xFA,0x94,   0,   0,
+   0,   0,0x1A,0xFC,0xFF,0xFF,0xE7,0x1B,   0,   0,   0,   0,   0,0x30,0x72,   0,   0,
+   0,   0,0x75,0xFF,0xFF,0xFF,0x66,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB9,0xFF,0xFF,0xFE,0x10,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE8,0xFF,0xFF,0xDF,0x18,0x90,0xDA,0xF7,0xF3,0xD0,0x81,0x0F,   0,   0,   0,
+   0,0x08,0xFF,0xFF,0xFF,0xE5,0xE6,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x24,   0,   0,
+   0,0x17,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD1,0x04,   0,
+   0,0x21,0xFF,0xFF,0xFF,0xFF,0xFF,0x93,0x17,0x0C,0x6A,0xFC,0xFF,0xFF,0xFF,0x55,   0,
+   0,0x19,0xFF,0xFF,0xFF,0xFF,0xD3,   0,   0,   0,   0,0x9B,0xFF,0xFF,0xFF,0xA2,   0,
+   0,0x0E,0xFF,0xFF,0xFF,0xFF,0x7B,   0,   0,   0,   0,0x41,0xFF,0xFF,0xFF,0xCE,   0,
+   0,0x01,0xF6,0xFF,0xFF,0xFF,0x5D,   0,   0,   0,   0,0x22,0xFF,0xFF,0xFF,0xDE,   0,
+   0,   0,0xD2,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,0x22,0xFF,0xFF,0xFF,0xD6,   0,
+   0,   0,0xA1,0xFF,0xFF,0xFF,0x7B,   0,   0,   0,   0,0x41,0xFF,0xFF,0xFF,0xBD,   0,
+   0,   0,0x55,0xFF,0xFF,0xFF,0xD3,   0,   0,   0,   0,0x9B,0xFF,0xFF,0xFF,0x85,   0,
+   0,   0,0x09,0xE5,0xFF,0xFF,0xFF,0x92,0x15,0x0C,0x69,0xFC,0xFF,0xFF,0xFE,0x27,   0,
+   0,   0,   0,0x5B,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x95,   0,   0,
+   0,   0,   0,   0,0x73,0xFA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA7,0x07,   0,   0,
+   0,   0,   0,   0,   0,0x29,0x91,0xD6,0xF1,0xF9,0xE4,0xAC,0x49,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '7'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x18,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x48,   0,
+   0,0x18,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x48,   0,
+   0,0x18,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x47,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x75,0xFF,0xFF,0xFF,0xF9,0x15,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xD6,0xFF,0xFF,0xFF,0xA8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x39,0xFF,0xFF,0xFF,0xFF,0x43,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x9B,0xFF,0xFF,0xFF,0xDC,0x01,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x0A,0xF1,0xFF,0xFF,0xFF,0x78,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x5E,0xFF,0xFF,0xFF,0xFA,0x17,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0xC0,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x22,0xFE,0xFF,0xFF,0xFF,0x47,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xDF,0x02,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x02,0xE2,0xFF,0xFF,0xFF,0x7B,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x47,0xFF,0xFF,0xFF,0xFB,0x1A,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA9,0xFF,0xFF,0xFF,0xB0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x12,0xF8,0xFF,0xFF,0xFF,0x4A,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x6C,0xFF,0xFF,0xFF,0xE2,0x02,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xCE,0xFF,0xFF,0xFF,0x7F,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x2F,0xFF,0xFF,0xFF,0xFC,0x1C,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x92,0xFF,0xFF,0xFF,0xB4,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x06,0xEC,0xFF,0xFF,0xFF,0x4E,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '8'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x09,0x6A,0xBC,0xE9,0xFA,0xF2,0xD3,0x94,0x2B,   0,   0,   0,   0,
+   0,   0,   0,0x25,0xDA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFB,0x74,   0,   0,   0,
+   0,   0,0x08,0xDC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x56,   0,   0,
+   0,   0,0x5F,0xFF,0xFF,0xFF,0xE0,0x47,0x0C,0x1F,0x99,0xFF,0xFF,0xFF,0xD1,   0,   0,
+   0,   0,0x97,0xFF,0xFF,0xFF,0x49,   0,   0,   0,0x01,0xD0,0xFF,0xFF,0xFF,0x0A,   0,
+   0,   0,0x9C,0xFF,0xFF,0xFF,0x1A,   0,   0,   0,   0,0xA3,0xFF,0xFF,0xFF,0x0F,   0,
+   0,   0,0x72,0xFF,0xFF,0xFF,0x4B,   0,   0,   0,0x01,0xD1,0xFF,0xFF,0xE5,   0,   0,
+   0,   0,0x11,0xEE,0xFF,0xFF,0xE0,0x46,0x0B,0x1F,0x98,0xFF,0xFF,0xFF,0x71,   0,   0,
+   0,   0,   0,0x31,0xE1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0x8A,0x01,   0,   0,
+   0,   0,   0,   0,0x1C,0xD2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x6E,   0,   0,   0,   0,
+   0,   0,   0,0x56,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xBB,0x0A,   0,   0,
+   0,   0,0x3D,0xFC,0xFF,0xFF,0xDF,0x49,0x0E,0x26,0x9B,0xFF,0xFF,0xFF,0xAF,   0,   0,
+   0,   0,0xBE,0xFF,0xFF,0xFB,0x29,   0,   0,   0,   0,0xB1,0xFF,0xFF,0xFF,0x35,   0,
+   0,0x06,0xFD,0xFF,0xFF,0xBE,   0,   0,   0,   0,   0,0x4B,0xFF,0xFF,0xFF,0x7A,   0,
+   0,0x23,0xFF,0xFF,0xFF,0xA1,   0,   0,   0,   0,   0,0x2E,0xFF,0xFF,0xFF,0x9A,   0,
+   0,0x1C,0xFF,0xFF,0xFF,0xBF,   0,   0,   0,   0,   0,0x4C,0xFF,0xFF,0xFF,0x92,   0,
+   0,0x03,0xF0,0xFF,0xFF,0xFB,0x29,   0,   0,   0,   0,0xB5,0xFF,0xFF,0xFF,0x6A,   0,
+   0,   0,0xA2,0xFF,0xFF,0xFF,0xDF,0x49,0x0E,0x25,0x9D,0xFF,0xFF,0xFF,0xFA,0x1E,   0,
+   0,   0,0x23,0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x3E,0xE8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x9A,0x03,   0,   0,
+   0,   0,   0,   0,0x10,0x74,0xC0,0xEB,0xFB,0xF3,0xD8,0x9E,0x3A,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '9'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x17,0x86,0xCE,0xF0,0xF8,0xE4,0xB4,0x60,0x03,   0,   0,   0,   0,
+   0,   0,   0,0x47,0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCC,0x16,   0,   0,   0,
+   0,   0,0x2B,0xF6,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCD,0x04,   0,   0,
+   0,   0,0xB2,0xFF,0xFF,0xFF,0xBC,0x26,0x07,0x49,0xEB,0xFF,0xFF,0xFF,0x66,   0,   0,
+   0,0x11,0xFD,0xFF,0xFF,0xF7,0x14,   0,   0,   0,0x64,0xFF,0xFF,0xFF,0xCD,   0,   0,
+   0,0x47,0xFF,0xFF,0xFF,0xB3,   0,   0,   0,   0,0x0C,0xFF,0xFF,0xFF,0xFF,0x1A,   0,
+   0,0x60,0xFF,0xFF,0xFF,0x95,   0,   0,   0,   0,   0,0xED,0xFF,0xFF,0xFF,0x49,   0,
+   0,0x67,0xFF,0xFF,0xFF,0x94,   0,   0,   0,   0,   0,0xEE,0xFF,0xFF,0xFF,0x70,   0,
+   0,0x57,0xFF,0xFF,0xFF,0xB3,   0,   0,   0,   0,0x0C,0xFF,0xFF,0xFF,0xFF,0x85,   0,
+   0,0x2B,0xFF,0xFF,0xFF,0xF7,0x14,   0,   0,   0,0x64,0xFF,0xFF,0xFF,0xFF,0x90,   0,
+   0,0x01,0xDD,0xFF,0xFF,0xFF,0xBC,0x25,0x06,0x48,0xEB,0xFF,0xFF,0xFF,0xFF,0x98,   0,
+   0,   0,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8D,   0,
+   0,   0,   0,0x91,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD4,0xFF,0xFF,0xFF,0x7F,   0,
+   0,   0,   0,   0,0x49,0xB2,0xE9,0xFB,0xED,0xBC,0x56,0x69,0xFF,0xFF,0xFF,0x5E,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x97,0xFF,0xFF,0xFF,0x2F,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x06,0xE7,0xFF,0xFF,0xE7,0x03,   0,
+   0,   0,0x1E,0x7E,0x01,   0,   0,   0,   0,   0,0x89,0xFF,0xFF,0xFF,0x8C,   0,   0,
+   0,   0,0x20,0xFF,0xC9,0x4F,0x0F,0x0A,0x36,0xA4,0xFF,0xFF,0xFF,0xEE,0x17,   0,   0,
+   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFB,0x53,   0,   0,   0,
+   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE7,0x4C,   0,   0,   0,   0,
+   0,   0,   0,0x39,0x93,0xD0,0xEF,0xF6,0xE2,0xB5,0x6B,0x0B,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// ':'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// ';'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA4,0xFF,0xFF,0xFF,0xFF,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xA5,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xCE,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFA,0xFF,0xFF,0xFC,0x28,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x3A,0xFF,0xFF,0xFF,0x9D,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x70,0xFF,0xFF,0xF8,0x1E,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xA5,0xFF,0xFF,0x8F,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '<'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x05,0x54,0xB8,0x35,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x28,0x8C,0xEA,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,   0,   0,0x0A,0x60,0xC4,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,0x34,0x98,0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC5,0x1F,
+   0,   0,   0,0x11,0x6C,0xD0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD6,0x7B,0x21,   0,   0,
+   0,0x39,0xA4,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xE4,0x8C,0x31,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xEF,0x9D,0x42,0x02,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0x9C,0x0C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xEA,0x95,0x3A,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x3D,0xA9,0xF9,0xFF,0xFF,0xFF,0xFF,0xFF,0xDF,0x85,0x2A,   0,   0,   0,   0,   0,
+   0,   0,   0,0x13,0x70,0xD3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD0,0x75,0x1C,   0,   0,
+   0,   0,   0,   0,   0,   0,0x38,0x9B,0xF2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xC0,0x1E,
+   0,   0,   0,   0,   0,   0,   0,   0,0x0B,0x63,0xC6,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x2A,0x8E,0xEB,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x06,0x55,0xB9,0x35,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '='
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '>'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xA3,0x83,0x20,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFE,0xBB,0x57,0x06,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xEC,0x8F,0x2B,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x7C,0xEF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC7,0x63,0x0C,   0,   0,   0,   0,   0,
+   0,   0,0x07,0x51,0xAC,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xF3,0x9B,0x37,   0,   0,   0,
+   0,   0,   0,   0,   0,0x0F,0x62,0xBD,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xD3,0x6F,0x0B,
+   0,   0,   0,   0,   0,   0,   0,   0,0x1A,0x73,0xCE,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x4B,0xE9,0xFF,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,   0,   0,   0,0x15,0x6B,0xC6,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,   0,   0,   0,   0,0x0B,0x5B,0xB6,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF,0xD7,0x74,0x0C,
+   0,   0,0x05,0x4B,0xA6,0xF5,0xFF,0xFF,0xFF,0xFF,0xFF,0xF4,0x9F,0x3B,   0,   0,   0,
+   0,0x79,0xEB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCA,0x66,0x0D,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xED,0x91,0x2D,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFE,0xBC,0x59,0x07,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xA4,0x84,0x21,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '?'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x37,0x96,0xD7,0xF4,0xF7,0xE0,0xAB,0x4B,   0,   0,   0,   0,
+   0,   0,   0,0x27,0xBB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xAA,0x06,   0,   0,
+   0,   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x82,   0,   0,
+   0,   0,   0,0xB4,0xFF,0xB7,0x57,0x1A,0x06,0x23,0xA3,0xFF,0xFF,0xFF,0xE9,   0,   0,
+   0,   0,   0,0x8A,0x3A,   0,   0,   0,   0,   0,0x0A,0xFD,0xFF,0xFF,0xFF,0x0C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x17,0xFF,0xFF,0xFF,0xF4,0x01,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x01,0xA6,0xFF,0xFF,0xFF,0x98,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x01,0x95,0xFF,0xFF,0xFF,0xD7,0x0E,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x01,0x9E,0xFF,0xFF,0xFF,0xD8,0x19,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x90,0xFF,0xFF,0xFF,0xD1,0x16,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3B,0xFF,0xFF,0xFF,0xD8,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x97,0xFF,0xFF,0xFF,0x45,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xBA,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xC4,0xFF,0xFF,0xFF,0x04,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xC4,0xFF,0xFF,0xFF,0x04,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xC4,0xFF,0xFF,0xFF,0x04,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xC4,0xFF,0xFF,0xFF,0x04,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xC4,0xFF,0xFF,0xFF,0x04,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xC4,0xFF,0xFF,0xFF,0x04,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '@'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x11,0x69,0xB9,0xE0,0xF8,0xEF,0xCA,0x7D,0x10,   0,   0,   0,
+   0,   0,   0,   0,0x5E,0xEB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE9,0x37,   0,   0,
+   0,   0,   0,0x82,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xEE,0x1F,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xDA,0x67,0x1F,0x06,0x16,0x5A,0xE2,0xFF,0xFF,0xA6,   0,
+   0,0x22,0xF5,0xFF,0xFF,0xAB,0x0A,   0,   0,   0,   0,   0,0x1C,0xEF,0xFF,0xFB,0x0D,
+   0,0xA1,0xFF,0xFF,0xC4,0x06,   0,   0,   0,   0,   0,   0,   0,0x8F,0xFF,0xFF,0x43,
+0x11,0xF7,0xFF,0xFB,0x29,   0,   0,0x12,0x8C,0xDD,0xF8,0xE1,0x7E,0x68,0xFF,0xFF,0x5C,
+0x5B,0xFF,0xFF,0xAF,   0,   0,0x1A,0xDC,0xFF,0xFF,0xFF,0xFF,0xFF,0xDF,0xFF,0xFF,0x67,
+0x92,0xFF,0xFF,0x58,   0,   0,0xB5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x68,
+0xC1,0xFF,0xFF,0x20,   0,0x28,0xFF,0xFF,0xFF,0x84,0x1A,0x13,0x6A,0xF9,0xFF,0xFF,0x68,
+0xD5,0xFF,0xFC,   0,   0,0x68,0xFF,0xFF,0xB7,   0,   0,   0,   0,0x8D,0xFF,0xFF,0x68,
+0xE4,0xFF,0xEE,   0,   0,0x84,0xFF,0xFF,0x75,   0,   0,   0,   0,0x4A,0xFF,0xFF,0x68,
+0xE2,0xFF,0xF1,   0,   0,0x83,0xFF,0xFF,0x75,   0,   0,   0,   0,0x4B,0xFF,0xFF,0x68,
+0xD0,0xFF,0xFF,0x04,   0,0x67,0xFF,0xFF,0xB7,   0,   0,   0,   0,0x8D,0xFF,0xFF,0x68,
+0xBA,0xFF,0xFF,0x2D,   0,0x26,0xFF,0xFF,0xFF,0x84,0x19,0x13,0x69,0xF9,0xFF,0xFF,0x68,
+0x85,0xFF,0xFF,0x6B,   0,   0,0xB2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x68,
+0x48,0xFF,0xFF,0xCF,   0,   0,0x19,0xDB,0xFF,0xFF,0xFF,0xFF,0xFF,0xE7,0xFF,0xFF,0x68,
+0x05,0xE5,0xFF,0xFF,0x54,   0,   0,0x11,0x8B,0xDE,0xFA,0xE6,0x8C,0x63,0xFF,0xFF,0x68,
+   0,0x79,0xFF,0xFF,0xEC,0x24,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x0A,0xD7,0xFF,0xFF,0xE8,0x3C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x2F,0xF4,0xFF,0xFF,0xFF,0xAD,0x54,0x1D,0x07,0x14,0x31,0x70,0xCE,0x4F,   0,
+   0,   0,   0,0x35,0xEA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xDB,0x06,
+   0,   0,   0,   0,0x1E,0xA6,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCA,0x1A,
+   0,   0,   0,   0,   0,   0,0x2B,0x7C,0xC1,0xE1,0xF6,0xF6,0xDD,0xA6,0x4D,0x02,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'A'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x04,0xF2,0xFF,0xFF,0xFF,0xFF,0x6A,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x3D,0xFF,0xFF,0xFF,0xFF,0xFF,0xB0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x82,0xFF,0xFF,0xFF,0xFF,0xFF,0xF1,0x04,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xC8,0xFF,0xFF,0xF9,0xFF,0xFF,0xFF,0x3B,   0,   0,   0,   0,
+   0,   0,   0,   0,0x10,0xFC,0xFF,0xFF,0x9B,0xFF,0xFF,0xFF,0x81,   0,   0,   0,   0,
+   0,   0,   0,   0,0x53,0xFF,0xFF,0xFF,0x49,0xD8,0xFF,0xFF,0xC7,   0,   0,   0,   0,
+   0,   0,   0,   0,0x98,0xFF,0xFF,0xFD,0x0F,0x9B,0xFF,0xFF,0xFC,0x10,   0,   0,   0,
+   0,   0,   0,   0,0xDD,0xFF,0xFF,0xD0,   0,0x5E,0xFF,0xFF,0xFF,0x52,   0,   0,   0,
+   0,   0,   0,0x23,0xFF,0xFF,0xFF,0x93,   0,0x21,0xFF,0xFF,0xFF,0x98,   0,   0,   0,
+   0,   0,   0,0x69,0xFF,0xFF,0xFF,0x57,   0,   0,0xE4,0xFF,0xFF,0xDE,   0,   0,   0,
+   0,   0,   0,0xAE,0xFF,0xFF,0xFF,0x1A,   0,   0,0xA7,0xFF,0xFF,0xFF,0x23,   0,   0,
+   0,   0,0x03,0xF0,0xFF,0xFF,0xDE,   0,   0,   0,0x6A,0xFF,0xFF,0xFF,0x69,   0,   0,
+   0,   0,0x39,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xAF,   0,   0,
+   0,   0,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x03,   0,
+   0,   0,0xC4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3A,   0,
+   0,0x0E,0xFB,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,0x61,0xFF,0xFF,0xFF,0x80,   0,
+   0,0x4F,0xFF,0xFF,0xFF,0x99,   0,   0,   0,   0,   0,0x29,0xFF,0xFF,0xFF,0xC6,   0,
+   0,0x95,0xFF,0xFF,0xFF,0x62,   0,   0,   0,   0,   0,0x01,0xF0,0xFF,0xFF,0xFC,0x0F,
+   0,0xDA,0xFF,0xFF,0xFF,0x2C,   0,   0,   0,   0,   0,   0,0xBB,0xFF,0xFF,0xFF,0x51,
+0x1F,0xFF,0xFF,0xFF,0xF3,0x02,   0,   0,   0,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0x97,
+0x65,0xFF,0xFF,0xFF,0xBF,   0,   0,   0,   0,   0,   0,   0,0x4C,0xFF,0xFF,0xFF,0xDD,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'B'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xF3,0xDE,0xB2,0x66,0x09,   0,   0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE2,0x31,   0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE7,0x0F,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,0x02,0x1B,0x75,0xFE,0xFF,0xFF,0xFF,0x67,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,0xAD,0xFF,0xFF,0xFF,0x98,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,0x86,0xFF,0xFF,0xFF,0xA0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,0xA9,0xFF,0xFF,0xFF,0x7A,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,0x02,0x18,0x6C,0xFD,0xFF,0xFF,0xF5,0x1E,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x40,   0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF5,0x9B,0x1C,   0,   0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0x78,   0,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,0x01,0x14,0x56,0xE6,0xFF,0xFF,0xFF,0x70,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,0x3F,0xFF,0xFF,0xFF,0xEE,0x08,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,0xEE,0xFF,0xFF,0xFF,0x3F,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,0xD8,0xFF,0xFF,0xFF,0x5E,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,0xE7,0xFF,0xFF,0xFF,0x5F,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,0x2A,0xFF,0xFF,0xFF,0xFF,0x45,
+   0,0x3C,0xFF,0xFF,0xFF,0xD0,   0,   0,0x01,0x10,0x47,0xD5,0xFF,0xFF,0xFF,0xF7,0x0B,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x86,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x9A,0x03,   0,
+   0,0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF6,0xE6,0xC1,0x89,0x30,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'C'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x0C,0x6A,0xB4,0xE0,0xF6,0xF0,0xD4,0xA5,0x4A,0x04,   0,
+   0,   0,   0,   0,   0,0x51,0xE7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,   0,   0,0x5F,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,   0,0x26,0xF7,0xFF,0xFF,0xFF,0xDF,0x56,0x13,0x10,0x59,0xE1,0xFF,0x50,   0,
+   0,   0,   0,0xB1,0xFF,0xFF,0xFF,0xE4,0x17,   0,   0,   0,   0,0x19,0xD6,0x50,   0,
+   0,   0,0x1A,0xFC,0xFF,0xFF,0xFF,0x60,   0,   0,   0,   0,   0,   0,0x24,0x40,   0,
+   0,   0,0x62,0xFF,0xFF,0xFF,0xF7,0x09,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x95,0xFF,0xFF,0xFF,0xC1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xBA,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xC9,0xFF,0xFF,0xFF,0x8A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xD4,0xFF,0xFF,0xFF,0x82,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xC9,0xFF,0xFF,0xFF,0x8A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xBA,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x96,0xFF,0xFF,0xFF,0xC1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x62,0xFF,0xFF,0xFF,0xF7,0x09,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x1A,0xFC,0xFF,0xFF,0xFF,0x5F,   0,   0,   0,   0,   0,   0,0x24,0x40,   0,
+   0,   0,   0,0xB2,0xFF,0xFF,0xFF,0xE4,0x17,   0,   0,   0,   0,0x19,0xD5,0x50,   0,
+   0,   0,   0,0x28,0xF8,0xFF,0xFF,0xFF,0xDE,0x55,0x11,0x10,0x58,0xE1,0xFF,0x50,   0,
+   0,   0,   0,   0,0x62,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,   0,   0,   0,0x54,0xE8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,   0,   0,   0,   0,0x0C,0x6C,0xB6,0xE2,0xF7,0xF1,0xD5,0xA6,0x4B,0x04,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'D'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFD,0xED,0xDC,0xB0,0x77,0x1D,   0,   0,   0,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFB,0x9A,0x0A,   0,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCE,0x0C,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,0x07,0x29,0x8A,0xFC,0xFF,0xFF,0xFF,0x9B,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,0x6B,0xFF,0xFF,0xFF,0xFD,0x1F,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,0x02,0xDE,0xFF,0xFF,0xFF,0x80,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x93,0xFF,0xFF,0xFF,0xBD,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x64,0xFF,0xFF,0xFF,0xEE,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x46,0xFF,0xFF,0xFF,0xFF,0x0B,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x39,0xFF,0xFF,0xFF,0xFF,0x19,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xFF,0x24,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x39,0xFF,0xFF,0xFF,0xFF,0x19,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x46,0xFF,0xFF,0xFF,0xFF,0x0B,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x64,0xFF,0xFF,0xFF,0xED,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0x95,0xFF,0xFF,0xFF,0xBC,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,0x02,0xDE,0xFF,0xFF,0xFF,0x7E,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,0x6A,0xFF,0xFF,0xFF,0xFD,0x1E,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,0x06,0x28,0x8A,0xFC,0xFF,0xFF,0xFF,0x97,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCB,0x0B,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFA,0x9A,0x09,   0,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFD,0xEF,0xDD,0xB2,0x77,0x1D,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'E'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB4,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB4,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB4,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'F'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x6C,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'G'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x37,0x8F,0xD0,0xEB,0xFB,0xF0,0xCD,0x8D,0x3C,0x02,   0,
+   0,   0,   0,   0,0x0E,0xA8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x40,   0,
+   0,   0,   0,0x0F,0xCC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x40,   0,
+   0,   0,   0,0x9F,0xFF,0xFF,0xFF,0xFF,0x97,0x2D,0x08,0x1D,0x6A,0xE6,0xFF,0x40,   0,
+   0,   0,0x31,0xFF,0xFF,0xFF,0xFF,0x77,   0,   0,   0,   0,   0,0x1B,0xD5,0x40,   0,
+   0,   0,0x96,0xFF,0xFF,0xFF,0xD9,0x02,   0,   0,   0,   0,   0,   0,0x28,0x35,   0,
+   0,   0,0xE2,0xFF,0xFF,0xFF,0x7D,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x15,0xFF,0xFF,0xFF,0xFF,0x40,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x3A,0xFF,0xFF,0xFF,0xFF,0x1B,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x49,0xFF,0xFF,0xFF,0xFF,0x0A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x54,0xFF,0xFF,0xFF,0xFF,0x02,   0,   0,0x84,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,   0,
+   0,0x49,0xFF,0xFF,0xFF,0xFF,0x0A,   0,   0,0x84,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,   0,
+   0,0x3A,0xFF,0xFF,0xFF,0xFF,0x1C,   0,   0,0x84,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,   0,
+   0,0x15,0xFF,0xFF,0xFF,0xFF,0x40,   0,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x7D,   0,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,   0,
+   0,   0,0x93,0xFF,0xFF,0xFF,0xD8,0x01,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,   0,
+   0,   0,0x2F,0xFF,0xFF,0xFF,0xFF,0x6F,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,   0,
+   0,   0,   0,0x9C,0xFF,0xFF,0xFF,0xFD,0x89,0x21,0x06,0x27,0xCE,0xFF,0xFF,0xFF,   0,
+   0,   0,   0,0x0E,0xCC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,   0,
+   0,   0,   0,   0,0x0F,0xAD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0x9E,   0,
+   0,   0,   0,   0,   0,   0,0x3D,0x97,0xD7,0xF0,0xFA,0xEA,0xC2,0x82,0x25,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'H'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0x20,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'I'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'J'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x04,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,0x04,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,0x04,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x48,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xED,0xFF,0xFF,0xFF,0x41,   0,   0,
+   0,0x58,0x23,   0,   0,   0,   0,   0,   0,0x0B,0xFE,0xFF,0xFF,0xFF,0x31,   0,   0,
+   0,0x74,0xE3,0x3A,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xFD,0x0B,   0,   0,
+   0,0x74,0xFF,0xFC,0x9E,0x3B,0x0E,0x18,0x60,0xF0,0xFF,0xFF,0xFF,0xC5,   0,   0,   0,
+   0,0x74,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x4F,   0,   0,   0,
+   0,0x74,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0x7D,   0,   0,   0,   0,
+   0,0x06,0x3E,0x7F,0xBB,0xD7,0xEE,0xFB,0xEF,0xCE,0x94,0x30,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'K'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,   0,0x1C,0xE9,0xFF,0xFF,0xFF,0xB2,0x01,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,0x06,0xC8,0xFF,0xFF,0xFF,0xD7,0x0E,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,0x9A,0xFF,0xFF,0xFF,0xF0,0x26,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,0x63,0xFF,0xFF,0xFF,0xFD,0x4B,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,0x35,0xF8,0xFF,0xFF,0xFF,0x79,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,0x15,0xE2,0xFF,0xFF,0xFF,0xAA,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,0x03,0xBD,0xFF,0xFF,0xFF,0xD1,0x0B,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,0x8C,0xFF,0xFF,0xFF,0xEC,0x21,   0,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF9,0x21,   0,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA5,   0,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xDD,0xFF,0xFF,0xFF,0xFE,0x32,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xFF,0xDC,0x12,0xCD,0xFF,0xFF,0xFF,0xBB,   0,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xF5,0x2C,   0,0x47,0xFF,0xFF,0xFF,0xFF,0x46,   0,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,0xBF,0xFF,0xFF,0xFF,0xCF,0x01,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,0x37,0xFF,0xFF,0xFF,0xFF,0x5B,   0,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0xDF,0x07,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,0x2A,0xFD,0xFF,0xFF,0xFF,0x71,   0,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,   0,0xA0,0xFF,0xFF,0xFF,0xEC,0x0F,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,   0,0x1F,0xF8,0xFF,0xFF,0xFF,0x87,   0,
+0x58,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,   0,   0,   0,0x90,0xFF,0xFF,0xFF,0xF6,0x1B,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'L'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x4C,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x4C,
+   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x4C,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'M'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC8,0xFF,0xFF,0xFF,0xFF,0x57,   0,   0,   0,   0,0xE7,0xFF,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xFF,0xFF,0x9F,   0,   0,   0,0x30,0xFF,0xFF,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xFF,0xFF,0xE6,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xFF,0xFF,0xFF,0x2F,   0,   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xE4,0xFE,0xFF,0x77,   0,0x0D,0xFA,0xFF,0xE3,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,0xD3,0xFF,0xBE,   0,0x4F,0xFF,0xFF,0xA3,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,0x92,0xFF,0xF9,0x0C,0x97,0xFF,0xFB,0x68,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,0x51,0xFF,0xFF,0x4E,0xDE,0xFF,0xC7,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,0x12,0xFE,0xFF,0xBC,0xFF,0xFF,0x87,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,0xCF,0xFF,0xFF,0xFF,0xFF,0x47,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,0x8E,0xFF,0xFF,0xFF,0xFB,0x0C,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,0x4D,0xFF,0xFF,0xFF,0xC7,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,0x0F,0xFC,0xFF,0xFF,0x87,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,0xC8,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0x3C,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'N'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xFF,0xBF,   0,   0,   0,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFE,0x23,   0,   0,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFF,0x85,   0,   0,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFF,0xE5,0x03,   0,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xFC,0xFF,0xFF,0x4A,   0,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xB4,0xFF,0xFF,0xAD,   0,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x63,0xED,0xFF,0xFA,0x16,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,0x92,0xFF,0xFF,0x73,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,0x2E,0xFF,0xFF,0xD6,   0,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,0xCB,0xFF,0xFF,0x38,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,0x68,0xFF,0xFF,0x9B,   0,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,0x0E,0xF5,0xFF,0xF2,0x0B,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,0xA1,0xFF,0xFF,0x61,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,0x3E,0xFF,0xFF,0xC3,0xF0,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,0xD9,0xFF,0xFF,0xFD,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,0x77,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,0x18,0xFB,0xFF,0xFF,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,0x4D,0xFF,0xFF,0xFF,0xFF,0xC0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0x5C,   0,   0,   0,   0,0x03,0xE5,0xFF,0xFF,0xFF,0xC0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'O'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x4B,0xAA,0xE1,0xF8,0xEC,0xCA,0x7B,0x12,   0,   0,   0,   0,
+   0,   0,   0,0x07,0xAD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE8,0x3F,   0,   0,   0,
+   0,   0,   0,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF1,0x2C,   0,   0,
+   0,   0,0x4B,0xFF,0xFF,0xFF,0xFB,0x65,0x0C,0x2A,0xC7,0xFF,0xFF,0xFF,0xBE,   0,   0,
+   0,   0,0xC3,0xFF,0xFF,0xFF,0x8C,   0,   0,   0,0x1C,0xF8,0xFF,0xFF,0xFF,0x36,   0,
+   0,0x18,0xFD,0xFF,0xFF,0xFF,0x2A,   0,   0,   0,   0,0xB3,0xFF,0xFF,0xFF,0x8A,   0,
+   0,0x54,0xFF,0xFF,0xFF,0xF0,   0,   0,   0,   0,   0,0x7A,0xFF,0xFF,0xFF,0xC7,   0,
+   0,0x7E,0xFF,0xFF,0xFF,0xCD,   0,   0,   0,   0,   0,0x56,0xFF,0xFF,0xFF,0xF1,   0,
+   0,0x9B,0xFF,0xFF,0xFF,0xB7,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0xFF,0x0F,
+   0,0xA8,0xFF,0xFF,0xFF,0xAD,   0,   0,   0,   0,   0,0x37,0xFF,0xFF,0xFF,0xFF,0x1B,
+   0,0xB1,0xFF,0xFF,0xFF,0xA9,   0,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xFF,0x24,
+   0,0xA8,0xFF,0xFF,0xFF,0xAD,   0,   0,   0,   0,   0,0x37,0xFF,0xFF,0xFF,0xFF,0x1B,
+   0,0x9B,0xFF,0xFF,0xFF,0xB7,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0xFF,0x0F,
+   0,0x7E,0xFF,0xFF,0xFF,0xCD,   0,   0,   0,   0,   0,0x56,0xFF,0xFF,0xFF,0xF1,   0,
+   0,0x54,0xFF,0xFF,0xFF,0xF0,   0,   0,   0,   0,   0,0x7A,0xFF,0xFF,0xFF,0xC7,   0,
+   0,0x19,0xFD,0xFF,0xFF,0xFF,0x28,   0,   0,   0,   0,0xB2,0xFF,0xFF,0xFF,0x8A,   0,
+   0,   0,0xC3,0xFF,0xFF,0xFF,0x8A,   0,   0,   0,0x1B,0xF7,0xFF,0xFF,0xFF,0x37,   0,
+   0,   0,0x4C,0xFF,0xFF,0xFF,0xFA,0x64,0x0B,0x28,0xC6,0xFF,0xFF,0xFF,0xBF,   0,   0,
+   0,   0,   0,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF2,0x2C,   0,   0,
+   0,   0,   0,0x08,0xAD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE8,0x40,   0,   0,   0,
+   0,   0,   0,   0,   0,0x4C,0xAC,0xE3,0xF9,0xED,0xCB,0x7C,0x12,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'P'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFA,0xED,0xD4,0xA9,0x5F,0x0C,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE6,0x47,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0x30,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,0x04,0x1E,0x71,0xF7,0xFF,0xFF,0xFF,0xB3,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,0x7B,0xFF,0xFF,0xFF,0xF8,0x09,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xFF,0x28,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x37,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xFF,0x28,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,0x7B,0xFF,0xFF,0xFF,0xF8,0x09,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,0x04,0x1D,0x70,0xF7,0xFF,0xFF,0xFF,0xB4,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x31,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE7,0x47,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFA,0xEF,0xD5,0xA9,0x61,0x0D,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'Q'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x4B,0xAA,0xE1,0xF8,0xEC,0xCA,0x7A,0x11,   0,   0,   0,   0,
+   0,   0,   0,0x07,0xAD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE6,0x3C,   0,   0,   0,
+   0,   0,   0,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xEF,0x28,   0,   0,
+   0,   0,0x4B,0xFF,0xFF,0xFF,0xFB,0x65,0x0C,0x2A,0xC7,0xFF,0xFF,0xFF,0xB9,   0,   0,
+   0,   0,0xC3,0xFF,0xFF,0xFF,0x8C,   0,   0,   0,0x1C,0xF8,0xFF,0xFF,0xFF,0x32,   0,
+   0,0x18,0xFD,0xFF,0xFF,0xFF,0x2A,   0,   0,   0,   0,0xB3,0xFF,0xFF,0xFF,0x86,   0,
+   0,0x54,0xFF,0xFF,0xFF,0xF0,   0,   0,   0,   0,   0,0x7A,0xFF,0xFF,0xFF,0xC4,   0,
+   0,0x7E,0xFF,0xFF,0xFF,0xCD,   0,   0,   0,   0,   0,0x56,0xFF,0xFF,0xFF,0xEE,   0,
+   0,0x9B,0xFF,0xFF,0xFF,0xB7,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0xFF,0x0D,
+   0,0xA8,0xFF,0xFF,0xFF,0xAD,   0,   0,   0,   0,   0,0x37,0xFF,0xFF,0xFF,0xFF,0x1A,
+   0,0xB1,0xFF,0xFF,0xFF,0xA9,   0,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xFF,0x24,
+   0,0xA8,0xFF,0xFF,0xFF,0xAD,   0,   0,   0,   0,   0,0x37,0xFF,0xFF,0xFF,0xFF,0x1F,
+   0,0x9B,0xFF,0xFF,0xFF,0xB7,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0xFF,0x13,
+   0,0x7E,0xFF,0xFF,0xFF,0xCD,   0,   0,   0,   0,   0,0x56,0xFF,0xFF,0xFF,0xF8,   0,
+   0,0x54,0xFF,0xFF,0xFF,0xF0,   0,   0,   0,   0,   0,0x7A,0xFF,0xFF,0xFF,0xD1,   0,
+   0,0x19,0xFD,0xFF,0xFF,0xFF,0x28,   0,   0,   0,   0,0xB2,0xFF,0xFF,0xFF,0x99,   0,
+   0,   0,0xC3,0xFF,0xFF,0xFF,0x8A,   0,   0,   0,0x1B,0xF7,0xFF,0xFF,0xFF,0x4A,   0,
+   0,   0,0x4C,0xFF,0xFF,0xFF,0xFA,0x64,0x0B,0x28,0xC6,0xFF,0xFF,0xFF,0xDC,0x02,   0,
+   0,   0,   0,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x4A,   0,   0,
+   0,   0,   0,0x07,0xAC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFB,0x6B,   0,   0,   0,
+   0,   0,   0,   0,   0,0x4C,0xAB,0xE3,0xFA,0xFF,0xFF,0xFF,0xEC,0x2E,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x50,0xFE,0xFF,0xFF,0xEE,0x35,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x86,0xFF,0xFF,0xFF,0xEF,0x16,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x02,0xB9,0xFF,0xF3,0x4F,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x12,0xBE,0x2D,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'R'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0xEB,0xC8,0x94,0x3B,   0,   0,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA7,0x06,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x94,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,0x10,0x42,0xD1,0xFF,0xFF,0xFF,0xFB,0x19,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,0x1E,0xFD,0xFF,0xFF,0xFF,0x5A,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,0xD8,0xFF,0xFF,0xFF,0x7B,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,0xC7,0xFF,0xFF,0xFF,0x87,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,0xD9,0xFF,0xFF,0xFF,0x74,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,0x20,0xFD,0xFF,0xFF,0xFF,0x3C,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,0x10,0x42,0xD2,0xFF,0xFF,0xFF,0xCA,0x01,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD5,0x1E,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE9,0x60,0x06,   0,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC7,0x07,   0,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,0x09,0x64,0xFB,0xFF,0xFF,0xFF,0x7F,   0,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,0x73,0xFF,0xFF,0xFF,0xF4,0x17,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,0x04,0xDA,0xFF,0xFF,0xFF,0x92,   0,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,0x5F,0xFF,0xFF,0xFF,0xF9,0x1F,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,0x03,0xDB,0xFF,0xFF,0xFF,0x9E,   0,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,0x5F,0xFF,0xFF,0xFF,0xFC,0x27,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,0x03,0xDB,0xFF,0xFF,0xFF,0xAA,   0,
+0x1C,0xFF,0xFF,0xFF,0xFF,0x10,   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xFE,0x32,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'S'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x10,0x73,0xBE,0xEA,0xFA,0xEE,0xD8,0xC0,0x86,0x44,0x09,   0,   0,
+   0,   0,   0,0x42,0xE8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x88,   0,   0,
+   0,   0,0x2C,0xF5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x88,   0,   0,
+   0,   0,0xB3,0xFF,0xFF,0xFF,0xD9,0x4A,0x12,0x10,0x40,0xA6,0xFE,0xFF,0x88,   0,   0,
+   0,0x09,0xF9,0xFF,0xFF,0xFF,0x2F,   0,   0,   0,   0,   0,0x41,0xE4,0x88,   0,   0,
+   0,0x22,0xFF,0xFF,0xFF,0xF6,   0,   0,   0,   0,   0,   0,   0,0x20,0x65,   0,   0,
+   0,0x22,0xFF,0xFF,0xFF,0xFF,0x1F,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x04,0xF4,0xFF,0xFF,0xFF,0xC4,0x1C,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x98,0xFF,0xFF,0xFF,0xFF,0xF6,0x94,0x35,0x01,   0,   0,   0,   0,   0,   0,
+   0,   0,0x0F,0xCB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE3,0x85,0x17,   0,   0,   0,   0,
+   0,   0,   0,0x07,0x82,0xF4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF4,0x6A,   0,   0,   0,
+   0,   0,   0,   0,   0,0x14,0x77,0xD6,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x79,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x28,0x87,0xF5,0xFF,0xFF,0xFF,0xFC,0x26,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x37,0xFA,0xFF,0xFF,0xFF,0x81,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0xAC,   0,
+   0,0x17,0x85,0x02,   0,   0,   0,   0,   0,   0,   0,0x92,0xFF,0xFF,0xFF,0xAE,   0,
+   0,0x18,0xFF,0xBA,0x23,   0,   0,   0,   0,   0,0x04,0xD2,0xFF,0xFF,0xFF,0x91,   0,
+   0,0x18,0xFF,0xFF,0xF8,0x9B,0x43,0x16,0x0A,0x32,0xB0,0xFF,0xFF,0xFF,0xFF,0x49,   0,
+   0,0x18,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xBF,   0,   0,
+   0,0x18,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB8,0x10,   0,   0,
+   0,   0,0x25,0x64,0xA3,0xCB,0xE0,0xF4,0xFA,0xEE,0xCE,0x99,0x42,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'T'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xB8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,
+   0,0xB8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,
+   0,0xB8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'U'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xF0,   0,
+   0,0x7E,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,0xEE,   0,
+   0,0x72,0xFF,0xFF,0xFF,0xAF,   0,   0,   0,   0,   0,0x3F,0xFF,0xFF,0xFF,0xE0,   0,
+   0,0x5A,0xFF,0xFF,0xFF,0xCC,   0,   0,   0,   0,   0,0x5E,0xFF,0xFF,0xFF,0xC9,   0,
+   0,0x27,0xFF,0xFF,0xFF,0xFB,0x27,   0,   0,   0,   0,0xB6,0xFF,0xFF,0xFF,0x96,   0,
+   0,   0,0xD2,0xFF,0xFF,0xFF,0xD9,0x43,0x0D,0x23,0x95,0xFF,0xFF,0xFF,0xFF,0x41,   0,
+   0,   0,0x4E,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xBC,   0,   0,
+   0,   0,   0,0x6E,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC4,0x15,   0,   0,
+   0,   0,   0,   0,0x24,0x8B,0xCA,0xED,0xFB,0xF4,0xDE,0xAA,0x54,0x03,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'V'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0x13,0xFE,0xFF,0xFF,0xFF,0x1E,   0,   0,   0,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0x88,
+   0,0xD4,0xFF,0xFF,0xFF,0x55,   0,   0,   0,   0,   0,   0,0xDE,0xFF,0xFF,0xFF,0x4B,
+   0,0x97,0xFF,0xFF,0xFF,0x8B,   0,   0,   0,   0,   0,0x14,0xFF,0xFF,0xFF,0xFD,0x10,
+   0,0x5A,0xFF,0xFF,0xFF,0xC1,   0,   0,   0,   0,   0,0x4B,0xFF,0xFF,0xFF,0xD0,   0,
+   0,0x1D,0xFF,0xFF,0xFF,0xF3,0x02,   0,   0,   0,   0,0x81,0xFF,0xFF,0xFF,0x93,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x2D,   0,   0,   0,   0,0xB8,0xFF,0xFF,0xFF,0x56,   0,
+   0,   0,0xA3,0xFF,0xFF,0xFF,0x63,   0,   0,   0,   0,0xED,0xFF,0xFF,0xFF,0x19,   0,
+   0,   0,0x66,0xFF,0xFF,0xFF,0x99,   0,   0,   0,0x25,0xFF,0xFF,0xFF,0xDB,   0,   0,
+   0,   0,0x28,0xFF,0xFF,0xFF,0xCF,   0,   0,   0,0x5B,0xFF,0xFF,0xFF,0x9E,   0,   0,
+   0,   0,   0,0xEA,0xFF,0xFF,0xFB,0x09,   0,   0,0x92,0xFF,0xFF,0xFF,0x60,   0,   0,
+   0,   0,   0,0xAE,0xFF,0xFF,0xFF,0x3B,   0,   0,0xC8,0xFF,0xFF,0xFF,0x23,   0,   0,
+   0,   0,   0,0x71,0xFF,0xFF,0xFF,0x71,   0,0x06,0xF8,0xFF,0xFF,0xE6,   0,   0,   0,
+   0,   0,   0,0x34,0xFF,0xFF,0xFF,0xA7,   0,0x35,0xFF,0xFF,0xFF,0xA8,   0,   0,   0,
+   0,   0,   0,0x03,0xF3,0xFF,0xFF,0xDD,   0,0x6C,0xFF,0xFF,0xFF,0x6B,   0,   0,   0,
+   0,   0,   0,   0,0xBA,0xFF,0xFF,0xFF,0x13,0xA2,0xFF,0xFF,0xFF,0x2E,   0,   0,   0,
+   0,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x49,0xD9,0xFF,0xFF,0xEF,0x01,   0,   0,   0,
+   0,   0,   0,   0,0x3F,0xFF,0xFF,0xFF,0x8F,0xFE,0xFF,0xFF,0xB3,   0,   0,   0,   0,
+   0,   0,   0,   0,0x08,0xF9,0xFF,0xFF,0xEF,0xFF,0xFF,0xFF,0x76,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xC5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x88,0xFF,0xFF,0xFF,0xFF,0xFF,0xF6,0x05,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x4B,0xFF,0xFF,0xFF,0xFF,0xFF,0xBE,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'W'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0xF0,0xFF,0xFF,0xB4,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x42,0xFF,0xFF,0xFF,
+0xD1,0xFF,0xFF,0xCD,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x56,0xFF,0xFF,0xFF,
+0xB1,0xFF,0xFF,0xE7,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x6A,0xFF,0xFF,0xFF,
+0x91,0xFF,0xFF,0xFD,0x03,   0,   0,   0,   0,   0,   0,   0,   0,0x7E,0xFF,0xFF,0xFF,
+0x71,0xFF,0xFF,0xFF,0x1A,   0,   0,   0,   0,   0,   0,   0,   0,0x92,0xFF,0xFF,0xEE,
+0x51,0xFF,0xFF,0xFF,0x33,   0,0x16,0xFF,0xFF,0xFF,0x92,   0,   0,0xA6,0xFF,0xFF,0xD1,
+0x32,0xFF,0xFF,0xFF,0x4D,   0,0x45,0xFF,0xFF,0xFF,0xC7,   0,   0,0xBA,0xFF,0xFF,0xB3,
+0x12,0xFF,0xFF,0xFF,0x66,   0,0x72,0xFF,0xFF,0xFF,0xF7,0x04,   0,0xCE,0xFF,0xFF,0x96,
+   0,0xF1,0xFF,0xFF,0x7F,   0,0xA0,0xFF,0xFF,0xFF,0xFF,0x31,   0,0xE2,0xFF,0xFF,0x78,
+   0,0xD2,0xFF,0xFF,0x99,   0,0xCE,0xFF,0xF9,0xFF,0xFF,0x66,   0,0xF6,0xFF,0xFF,0x5B,
+   0,0xB2,0xFF,0xFF,0xB2,0x03,0xF7,0xFF,0xA7,0xFF,0xFF,0x9B,0x09,0xFF,0xFF,0xFF,0x3D,
+   0,0x93,0xFF,0xFF,0xCC,0x29,0xFF,0xFF,0x59,0xE4,0xFF,0xD0,0x1E,0xFF,0xFF,0xFF,0x20,
+   0,0x73,0xFF,0xFF,0xE5,0x57,0xFF,0xFF,0x27,0xAE,0xFF,0xFB,0x3B,0xFF,0xFF,0xFD,0x05,
+   0,0x53,0xFF,0xFF,0xFC,0x87,0xFF,0xF2,0x01,0x78,0xFF,0xFF,0x80,0xFF,0xFF,0xE5,   0,
+   0,0x33,0xFF,0xFF,0xFF,0xCA,0xFF,0xC1,   0,0x41,0xFF,0xFF,0xC9,0xFF,0xFF,0xC7,   0,
+   0,0x13,0xFF,0xFF,0xFF,0xFD,0xFF,0x8E,   0,0x0D,0xFD,0xFF,0xFD,0xFF,0xFF,0xAA,   0,
+   0,   0,0xF3,0xFF,0xFF,0xFF,0xFF,0x5C,   0,   0,0xD5,0xFF,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,0xD4,0xFF,0xFF,0xFF,0xFF,0x29,   0,   0,0x9E,0xFF,0xFF,0xFF,0xFF,0x6F,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xF4,0x02,   0,   0,0x68,0xFF,0xFF,0xFF,0xFF,0x51,   0,
+   0,   0,0x94,0xFF,0xFF,0xFF,0xC3,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xFF,0x34,   0,
+   0,   0,0x74,0xFF,0xFF,0xFF,0x91,   0,   0,   0,0x04,0xF6,0xFF,0xFF,0xFF,0x16,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'X'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0x2D,0xFC,0xFF,0xFF,0xFC,0x2C,   0,   0,   0,   0,   0,   0,0xB3,0xFF,0xFF,0xFF,0x9D,
+   0,0x94,0xFF,0xFF,0xFF,0xBC,   0,   0,   0,   0,   0,0x46,0xFF,0xFF,0xFF,0xF1,0x17,
+   0,0x12,0xEC,0xFF,0xFF,0xFF,0x4F,   0,   0,   0,0x04,0xD6,0xFF,0xFF,0xFF,0x74,   0,
+   0,   0,0x6A,0xFF,0xFF,0xFF,0xDB,0x06,   0,   0,0x70,0xFF,0xFF,0xFF,0xDA,0x06,   0,
+   0,   0,0x03,0xD1,0xFF,0xFF,0xFF,0x75,   0,0x14,0xEF,0xFF,0xFF,0xFF,0x4B,   0,   0,
+   0,   0,   0,0x3F,0xFF,0xFF,0xFF,0xF1,0x17,0x98,0xFF,0xFF,0xFF,0xB7,   0,   0,   0,
+   0,   0,   0,   0,0xAA,0xFF,0xFF,0xFF,0xBC,0xFD,0xFF,0xFF,0xFA,0x28,   0,   0,   0,
+   0,   0,   0,   0,0x1E,0xF6,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8E,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xEA,0x0F,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x09,0xE1,0xFF,0xFF,0xFF,0xFF,0x65,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x95,0xFF,0xFF,0xFF,0xFC,0x14,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x20,0xF7,0xFF,0xFF,0xFF,0xFF,0x93,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xAD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFB,0x2B,   0,   0,   0,   0,
+   0,   0,   0,   0,0x42,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xBB,   0,   0,   0,   0,
+   0,   0,   0,0x03,0xD3,0xFF,0xFF,0xFF,0x89,0xEF,0xFF,0xFF,0xFF,0x50,   0,   0,   0,
+   0,   0,   0,0x6C,0xFF,0xFF,0xFF,0xDA,0x06,0x6F,0xFF,0xFF,0xFF,0xDC,0x07,   0,   0,
+   0,   0,0x13,0xEE,0xFF,0xFF,0xFF,0x4D,   0,0x04,0xD6,0xFF,0xFF,0xFF,0x78,   0,   0,
+   0,   0,0x96,0xFF,0xFF,0xFF,0xB9,   0,   0,   0,0x45,0xFF,0xFF,0xFF,0xF3,0x19,   0,
+   0,0x2E,0xFC,0xFF,0xFF,0xFB,0x2A,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0xA1,   0,
+   0,0xBF,0xFF,0xFF,0xFF,0x91,   0,   0,   0,   0,   0,0x23,0xF8,0xFF,0xFF,0xFE,0x36,
+0x55,0xFF,0xFF,0xFF,0xEC,0x11,   0,   0,   0,   0,   0,   0,0x86,0xFF,0xFF,0xFF,0xC8,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'Y'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0xA3,0xFF,0xFF,0xFF,0xD7,0x02,   0,   0,   0,   0,   0,   0,0x67,0xFF,0xFF,0xFF,0xF8,
+0x23,0xFB,0xFF,0xFF,0xFF,0x56,   0,   0,   0,   0,   0,0x04,0xDF,0xFF,0xFF,0xFF,0x92,
+   0,0x9C,0xFF,0xFF,0xFF,0xD2,0x01,   0,   0,   0,   0,0x61,0xFF,0xFF,0xFF,0xF6,0x19,
+   0,0x1F,0xF9,0xFF,0xFF,0xFF,0x50,   0,   0,   0,0x03,0xDA,0xFF,0xFF,0xFF,0x8C,   0,
+   0,   0,0x95,0xFF,0xFF,0xFF,0xCC,   0,   0,   0,0x5B,0xFF,0xFF,0xFF,0xF3,0x15,   0,
+   0,   0,0x1A,0xF7,0xFF,0xFF,0xFF,0x49,   0,0x02,0xD6,0xFF,0xFF,0xFF,0x85,   0,   0,
+   0,   0,   0,0x8F,0xFF,0xFF,0xFF,0xC6,   0,0x56,0xFF,0xFF,0xFF,0xF0,0x11,   0,   0,
+   0,   0,   0,0x16,0xF4,0xFF,0xFF,0xFF,0x43,0xD1,0xFF,0xFF,0xFF,0x7E,   0,   0,   0,
+   0,   0,   0,   0,0x88,0xFF,0xFF,0xFF,0xE8,0xFF,0xFF,0xFF,0xED,0x0E,   0,   0,   0,
+   0,   0,   0,   0,0x13,0xF2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x82,0xFF,0xFF,0xFF,0xFF,0xFF,0xE9,0x0B,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x0F,0xEE,0xFF,0xFF,0xFF,0xFF,0x71,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x7F,0xFF,0xFF,0xFF,0xEA,0x08,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'Z'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3C,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3C,
+   0,0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3C,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x37,0xFD,0xFF,0xFF,0xFF,0xFF,0x2C,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x07,0xD5,0xFF,0xFF,0xFF,0xFF,0x98,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x85,0xFF,0xFF,0xFF,0xFF,0xDE,0x0C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x32,0xFB,0xFF,0xFF,0xFF,0xFE,0x3F,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x05,0xD0,0xFF,0xFF,0xFF,0xFF,0x8F,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x7F,0xFF,0xFF,0xFF,0xFF,0xD8,0x09,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x2D,0xF9,0xFF,0xFF,0xFF,0xFC,0x37,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x03,0xCB,0xFF,0xFF,0xFF,0xFF,0x86,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xFF,0xD2,0x06,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x28,0xF8,0xFF,0xFF,0xFF,0xFA,0x31,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x02,0xC6,0xFF,0xFF,0xFF,0xFF,0x7D,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x71,0xFF,0xFF,0xFF,0xFF,0xCB,0x04,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x23,0xF5,0xFF,0xFF,0xFF,0xF8,0x2A,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x01,0xC0,0xFF,0xFF,0xFF,0xFF,0x74,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x50,0xFF,0xFF,0xFF,0xFF,0xC4,0x02,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x70,
+   0,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x70,
+   0,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x70,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '['
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x2C,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x2C,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x2C,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x2C,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x2C,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x2C,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '\'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x31,0xFF,0xFF,0xEC,0x0A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xBA,0xFF,0xFF,0x6D,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x44,0xFF,0xFF,0xE0,0x04,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xCC,0xFF,0xFF,0x5A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x56,0xFF,0xFF,0xD0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x03,0xDC,0xFF,0xFF,0x48,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x69,0xFF,0xFF,0xBE,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x08,0xE9,0xFF,0xFF,0x35,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x7C,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x11,0xF3,0xFF,0xFD,0x25,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x8E,0xFF,0xFF,0x99,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1D,0xFA,0xFF,0xF8,0x17,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xA1,0xFF,0xFF,0x86,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2B,0xFE,0xFF,0xEF,0x0D,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0xB4,0xFF,0xFF,0x74,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x3D,0xFF,0xFF,0xE4,0x06,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0xC6,0xFF,0xFF,0x61,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x50,0xFF,0xFF,0xD6,0x01,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x01,0xD7,0xFF,0xFF,0x4E,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x62,0xFF,0xFF,0xC5,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x06,0xE5,0xFF,0xFF,0x3C,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x75,0xFF,0xFF,0xB2,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x0E,0xF0,0xFF,0xFE,0x2B,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x87,0xFF,0xFF,0xA0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// ']'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x48,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '^'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x63,0xFF,0xFF,0xFF,0xD0,0x09,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x31,0xF7,0xFF,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x11,0xDE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x66,   0,   0,   0,   0,
+   0,   0,   0,0x01,0xB3,0xFF,0xFF,0xFF,0xE3,0xFF,0xFF,0xFF,0xF8,0x33,   0,   0,   0,
+   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0xCA,0x11,0x6D,0xFE,0xFF,0xFF,0xDF,0x12,   0,   0,
+   0,   0,0x44,0xFD,0xFF,0xFF,0xC4,0x0E,   0,   0,0x64,0xFD,0xFF,0xFF,0xB6,0x01,   0,
+   0,0x1C,0xEA,0xFF,0xFF,0xBE,0x0B,   0,   0,   0,   0,0x5B,0xFC,0xFF,0xFF,0x7E,   0,
+0x05,0xC7,0xFF,0xFF,0xB7,0x09,   0,   0,   0,   0,   0,   0,0x53,0xFA,0xFF,0xFD,0x47,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '_'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+// '`'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x04,0xA7,0xFF,0xFF,0xFA,0x3B,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x02,0x9E,0xFF,0xFF,0xE7,0x1A,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x01,0x95,0xFF,0xFF,0xC8,0x07,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x8B,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x82,0xFF,0xFF,0x69,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'a'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x30,0x7C,0xB3,0xD0,0xE6,0xFA,0xF3,0xE0,0xB1,0x60,0x07,   0,   0,   0,
+   0,   0,0x18,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD0,0x1A,   0,   0,
+   0,   0,0x18,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB7,   0,   0,
+   0,   0,0x17,0xD3,0x8A,0x51,0x31,0x1B,0x06,0x13,0x59,0xF0,0xFF,0xFF,0xFF,0x27,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0x69,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x70,0xFF,0xFF,0xFF,0x93,   0,
+   0,   0,   0,0x0D,0x6A,0xB1,0xDB,0xF2,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA3,   0,
+   0,   0,0x40,0xEB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xAE,   0,
+   0,0x18,0xF0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB0,   0,
+   0,0x75,0xFF,0xFF,0xFF,0xFF,0xAA,0x38,0x11,0x03,   0,0x7B,0xFF,0xFF,0xFF,0xB0,   0,
+   0,0xA0,0xFF,0xFF,0xFF,0xE4,0x01,   0,   0,   0,   0,0xA0,0xFF,0xFF,0xFF,0xB0,   0,
+   0,0xA2,0xFF,0xFF,0xFF,0xD5,   0,   0,   0,   0,0x19,0xF3,0xFF,0xFF,0xFF,0xB0,   0,
+   0,0x77,0xFF,0xFF,0xFF,0xFF,0x7E,0x14,0x11,0x48,0xD7,0xFF,0xFF,0xFF,0xFF,0xB0,   0,
+   0,0x1C,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0xFF,0xFF,0xFF,0xB0,   0,
+   0,   0,0x57,0xF9,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD6,0x87,0xFF,0xFF,0xFF,0xB0,   0,
+   0,   0,   0,0x29,0x99,0xDB,0xF7,0xF4,0xCF,0x77,0x08,0x70,0xFF,0xFF,0xFF,0xB0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'b'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,0x1A,0x9B,0xE6,0xF8,0xDE,0x94,0x19,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x6B,0xEA,0xFF,0xFF,0xFF,0xFF,0xFF,0xED,0x2E,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xDE,0x08,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xB7,0x21,0x0E,0x7D,0xFF,0xFF,0xFF,0xFF,0x6A,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xEA,0x0C,   0,   0,   0,0xAB,0xFF,0xFF,0xFF,0xC1,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x92,   0,   0,   0,   0,0x47,0xFF,0xFF,0xFF,0xF5,0x02,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x5E,   0,   0,   0,   0,0x13,0xFF,0xFF,0xFF,0xFF,0x1A,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x49,   0,   0,   0,   0,   0,0xFD,0xFF,0xFF,0xFF,0x29,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x48,   0,   0,   0,   0,   0,0xFD,0xFF,0xFF,0xFF,0x28,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x5E,   0,   0,   0,   0,0x13,0xFF,0xFF,0xFF,0xFF,0x1B,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x92,   0,   0,   0,   0,0x46,0xFF,0xFF,0xFF,0xF5,0x02,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xEA,0x0C,   0,   0,   0,0xAB,0xFF,0xFF,0xFF,0xC2,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xB7,0x20,0x0D,0x7C,0xFF,0xFF,0xFF,0xFF,0x6C,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xF3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0x09,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x6A,0xEB,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x33,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,0x1D,0x9B,0xE3,0xF9,0xE3,0x9B,0x1E,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'c'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3F,0x9C,0xD8,0xF1,0xF7,0xDE,0xC2,0x88,0x33,   0,   0,
+   0,   0,   0,   0,0x0F,0xB2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,0x08,0xCD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,0x8A,0xFF,0xFF,0xFF,0xFF,0xA0,0x2F,0x07,0x0B,0x2C,0x70,0xCF,0x07,   0,
+   0,   0,0x0F,0xF4,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x50,0xFF,0xFF,0xFF,0xF4,0x0D,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x82,0xFF,0xFF,0xFF,0xB9,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x97,0xFF,0xFF,0xFF,0x9B,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x97,0xFF,0xFF,0xFF,0x9A,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x83,0xFF,0xFF,0xFF,0xB7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x52,0xFF,0xFF,0xFF,0xF2,0x0B,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x11,0xF6,0xFF,0xFF,0xFF,0x8A,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x8F,0xFF,0xFF,0xFF,0xFF,0x9B,0x2D,0x06,0x13,0x30,0x6B,0xCC,0x07,   0,
+   0,   0,   0,0x0A,0xD2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,   0,0x13,0xBA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,   0,   0,   0,0x45,0xA0,0xDB,0xF3,0xF7,0xE0,0xC5,0x83,0x2E,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'd'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,0x5D,0xC1,0xEF,0xF4,0xC6,0x55,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x02,0xA5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x88,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x72,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x06,0xEE,0xFF,0xFF,0xFF,0xD0,0x2D,0x0A,0x62,0xFA,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x4B,0xFF,0xFF,0xFF,0xFB,0x23,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x81,0xFF,0xFF,0xFF,0xBA,   0,   0,   0,   0,0x1D,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xA3,0xFF,0xFF,0xFF,0x86,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xB1,0xFF,0xFF,0xFF,0x71,   0,   0,   0,   0,   0,0xD2,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xB2,0xFF,0xFF,0xFF,0x70,   0,   0,   0,   0,   0,0xD2,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xA3,0xFF,0xFF,0xFF,0x86,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xBA,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x4A,0xFF,0xFF,0xFF,0xFB,0x23,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x06,0xEE,0xFF,0xFF,0xFF,0xCF,0x2C,0x09,0x61,0xFA,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x73,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF4,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x02,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x87,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,0x01,0x64,0xC9,0xF3,0xF2,0xC5,0x57,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'e'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x01,0x55,0xAC,0xE2,0xF8,0xF1,0xD5,0x94,0x2C,   0,   0,   0,   0,
+   0,   0,   0,0x1A,0xC8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0x83,   0,   0,   0,
+   0,   0,0x10,0xDD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x83,   0,   0,
+   0,   0,0x9F,0xFF,0xFF,0xFF,0xEC,0x53,0x0A,0x13,0x6B,0xF9,0xFF,0xFF,0xFD,0x30,   0,
+   0,0x1B,0xFB,0xFF,0xFF,0xFF,0x52,   0,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0xA0,   0,
+   0,0x64,0xFF,0xFF,0xFF,0xDE,   0,   0,   0,   0,   0,0x1D,0xFF,0xFF,0xFF,0xEB,   0,
+   0,0x96,0xFF,0xFF,0xFF,0xA9,   0,   0,   0,   0,   0,0x01,0xF7,0xFF,0xFF,0xFF,0x1F,
+   0,0xAA,0xFF,0xFF,0xFF,0xFE,0xFC,0xFC,0xFD,0xFE,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0x34,
+   0,0xAB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x42,
+   0,0x99,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x44,
+   0,0x6B,0xFF,0xFF,0xFF,0x93,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x24,0xFE,0xFF,0xFF,0xE2,0x0D,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xAC,0xFF,0xFF,0xFF,0xD2,0x56,0x19,0x04,0x0C,0x22,0x39,0x68,0xA9,0x8D,   0,
+   0,   0,0x17,0xE2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x9C,   0,
+   0,   0,   0,0x1D,0xC5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x9C,   0,
+   0,   0,   0,   0,   0,0x46,0x9D,0xD6,0xEF,0xFB,0xEC,0xD8,0xC0,0x89,0x48,0x0C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'f'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x0D,0x7D,0xC7,0xEC,0xFA,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,0x06,0xCF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,0x58,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,0x94,0xFF,0xFF,0xFF,0xC5,0x16,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xAA,0xFF,0xFF,0xFF,0x7E,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xB0,0xFF,0xFF,0xFF,0x78,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'g'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x36,0xAD,0xE9,0xF7,0xD9,0x86,0x0D,0xA0,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,   0,0x60,0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xD8,0xB2,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,0x33,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0xE6,0x40,0x09,0x4F,0xF2,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x1C,0xFE,0xFF,0xFF,0xFF,0x4C,   0,   0,   0,0x6A,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x59,0xFF,0xFF,0xFF,0xE3,0x02,   0,   0,   0,0x0D,0xF4,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x82,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0xC7,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x93,0xFF,0xFF,0xFF,0x94,   0,   0,   0,   0,   0,0xAD,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x96,0xFF,0xFF,0xFF,0x93,   0,   0,   0,   0,   0,0xAD,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x88,0xFF,0xFF,0xFF,0xAC,   0,   0,   0,   0,   0,0xC6,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x63,0xFF,0xFF,0xFF,0xE3,0x02,   0,   0,   0,0x0C,0xF4,0xFF,0xFF,0xFF,0x84,   0,
+   0,0x28,0xFF,0xFF,0xFF,0xFF,0x4C,   0,   0,   0,0x68,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,0xCB,0xFF,0xFF,0xFF,0xE5,0x3F,0x08,0x4E,0xF1,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,0x41,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,   0,0x70,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xDD,0xB2,0xFF,0xFF,0xFF,0x84,   0,
+   0,   0,   0,   0,0x3C,0xB1,0xEB,0xF9,0xDF,0x92,0x12,0xA4,0xFF,0xFF,0xFF,0x7D,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xC2,0xFF,0xFF,0xFF,0x6B,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x1F,0xF6,0xFF,0xFF,0xFF,0x3F,   0,
+   0,   0,   0,0xC7,0x7B,0x3E,0x22,0x0A,0x13,0x47,0xD3,0xFF,0xFF,0xFF,0xED,0x09,   0,
+   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x76,   0,   0,
+   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x93,0x01,   0,   0,
+   0,   0,   0,0x28,0x7B,0xB9,0xD8,0xEF,0xFB,0xEE,0xCD,0x94,0x34,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'h'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,0x0E,0x89,0xDC,0xF8,0xE9,0xA6,0x23,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x97,0xD0,0xFF,0xFF,0xFF,0xFF,0xFF,0xEB,0x1F,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xF2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA1,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xA6,0x15,0x1B,0xB5,0xFF,0xFF,0xFF,0xF1,0x01,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xF3,0x0C,   0,   0,0x2C,0xFF,0xFF,0xFF,0xFF,0x1A,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xB2,   0,   0,   0,0x04,0xFE,0xFF,0xFF,0xFF,0x29,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x98,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'i'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xD0,0xFF,0xFF,0xFF,0x58,   0,   0,   0,   0,   0,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'j'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x1D,0xFF,0xFF,0xFF,0xFF,0x05,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x2D,0xFF,0xFF,0xFF,0xFA,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x61,0xFF,0xFF,0xFF,0xE0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x09,0x42,0xE3,0xFF,0xFF,0xFF,0xAE,   0,   0,   0,   0,   0,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x53,   0,   0,   0,   0,   0,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xAE,   0,   0,   0,   0,   0,   0,
+   0,   0,0xF8,0xFF,0xFF,0xFF,0xFE,0xEE,0xC2,0x67,0x03,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'k'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,0x0E,0xCF,0xFF,0xFF,0xFF,0xED,0x31,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,0x07,0xBF,0xFF,0xFF,0xFF,0xED,0x30,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,0x03,0xAF,0xFF,0xFF,0xFF,0xEC,0x30,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,0x9C,0xFF,0xFF,0xFF,0xEC,0x2F,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,0x88,0xFF,0xFF,0xFF,0xEB,0x2E,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xE9,0xFF,0xFF,0xFF,0xEB,0x2D,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE6,0x0F,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x97,   0,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xFF,0xE4,0xEB,0xFF,0xFF,0xFE,0x3B,   0,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0xE2,0x22,0x66,0xFF,0xFF,0xFF,0xD5,0x06,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,0x02,0xCE,0xFF,0xFF,0xFF,0x7D,   0,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,0x3D,0xFF,0xFF,0xFF,0xF8,0x26,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,0xA8,0xFF,0xFF,0xFF,0xBF,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,0x1D,0xF6,0xFF,0xFF,0xFF,0x63,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,0x7F,0xFF,0xFF,0xFF,0xEE,0x16,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x9C,   0,   0,   0,   0,0x09,0xE1,0xFF,0xFF,0xFF,0xA7,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'l'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xB8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xB8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xB8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x84,0xFF,0xFF,0xFF,0xA0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x82,0xFF,0xFF,0xFF,0xA1,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x78,0xFF,0xFF,0xFF,0xAF,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x5F,0xFF,0xFF,0xFF,0xE1,0x01,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x2C,0xFF,0xFF,0xFF,0xFF,0x95,0x1C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0xD2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,
+   0,   0,   0,   0,   0,   0,0x38,0xF3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7C,   0,
+   0,   0,   0,   0,   0,   0,   0,0x25,0x9A,0xDC,0xF7,0xFF,0xFF,0xFF,0xFF,0x7C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'm'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xD8,0xFF,0xFF,0x35,0x95,0xEC,0xEF,0x9D,0x0D,0x38,0xC6,0xF7,0xE9,0x96,0x0A,   0,
+   0,0xD8,0xFF,0xFF,0xCC,0xFF,0xFF,0xFF,0xFF,0xB9,0xF1,0xFF,0xFF,0xFF,0xFF,0x93,   0,
+   0,0xD8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x01,
+   0,0xD8,0xFF,0xFF,0xE2,0x1B,0x5D,0xFF,0xFF,0xFF,0xD1,0x14,0x76,0xFF,0xFF,0xFF,0x24,
+   0,0xD8,0xFF,0xFF,0xA2,   0,0x04,0xFC,0xFF,0xFF,0x83,   0,0x1F,0xFF,0xFF,0xFF,0x3F,
+   0,0xD8,0xFF,0xFF,0x92,   0,   0,0xEE,0xFF,0xFF,0x72,   0,0x0E,0xFF,0xFF,0xFF,0x50,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x57,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5B,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,0xD8,0xFF,0xFF,0x90,   0,   0,0xEC,0xFF,0xFF,0x70,   0,0x0C,0xFF,0xFF,0xFF,0x5C,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'n'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,0x10,0x8C,0xDD,0xF8,0xE9,0xA6,0x23,   0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x99,0xD5,0xFF,0xFF,0xFF,0xFF,0xFF,0xEB,0x1E,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xF4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA0,   0,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xFF,0xA8,0x15,0x1B,0xB5,0xFF,0xFF,0xFF,0xF0,0x01,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xF4,0x0E,   0,   0,0x2C,0xFF,0xFF,0xFF,0xFF,0x1A,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0xB3,   0,   0,   0,0x04,0xFF,0xFF,0xFF,0xFF,0x29,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x98,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,0x90,0xFF,0xFF,0xFF,0x90,   0,   0,   0,   0,0xF4,0xFF,0xFF,0xFF,0x2C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'o'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x01,0x55,0xAE,0xE4,0xF8,0xEF,0xCD,0x85,0x18,   0,   0,   0,   0,
+   0,   0,   0,0x16,0xC4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF4,0x5A,   0,   0,   0,
+   0,   0,0x0A,0xD5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x55,   0,   0,
+   0,   0,0x8E,0xFF,0xFF,0xFF,0xED,0x51,0x09,0x23,0xB0,0xFF,0xFF,0xFF,0xF0,0x12,   0,
+   0,0x0F,0xF4,0xFF,0xFF,0xFF,0x4D,   0,   0,   0,0x06,0xD6,0xFF,0xFF,0xFF,0x7A,   0,
+   0,0x4F,0xFF,0xFF,0xFF,0xDD,   0,   0,   0,   0,   0,0x6B,0xFF,0xFF,0xFF,0xC5,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xA4,   0,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xF6,   0,
+   0,0x93,0xFF,0xFF,0xFF,0x8D,   0,   0,   0,   0,   0,0x1A,0xFF,0xFF,0xFF,0xFF,0x0A,
+   0,0x94,0xFF,0xFF,0xFF,0x8D,   0,   0,   0,   0,   0,0x1B,0xFF,0xFF,0xFF,0xFF,0x0A,
+   0,0x80,0xFF,0xFF,0xFF,0xA4,   0,   0,   0,   0,   0,0x32,0xFF,0xFF,0xFF,0xF7,   0,
+   0,0x4F,0xFF,0xFF,0xFF,0xDD,   0,   0,   0,   0,   0,0x6B,0xFF,0xFF,0xFF,0xC5,   0,
+   0,0x0F,0xF4,0xFF,0xFF,0xFF,0x4B,   0,   0,   0,0x05,0xD5,0xFF,0xFF,0xFF,0x7A,   0,
+   0,   0,0x8F,0xFF,0xFF,0xFF,0xEB,0x4F,0x08,0x22,0xAE,0xFF,0xFF,0xFF,0xF1,0x12,   0,
+   0,   0,0x0B,0xD5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x55,   0,   0,
+   0,   0,   0,0x16,0xC5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF5,0x5A,   0,   0,   0,
+   0,   0,   0,   0,0x01,0x56,0xB0,0xE5,0xF9,0xF0,0xCE,0x86,0x19,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'p'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,0x1D,0x9A,0xE3,0xF8,0xE2,0x9A,0x1D,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x6A,0xEB,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x33,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xF3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0x09,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xB7,0x21,0x0E,0x7D,0xFF,0xFF,0xFF,0xFF,0x6B,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xEA,0x0C,   0,   0,   0,0xAB,0xFF,0xFF,0xFF,0xC2,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x92,   0,   0,   0,   0,0x47,0xFF,0xFF,0xFF,0xF5,0x02,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x5E,   0,   0,   0,   0,0x13,0xFF,0xFF,0xFF,0xFF,0x1A,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x49,   0,   0,   0,   0,   0,0xFD,0xFF,0xFF,0xFF,0x29,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x48,   0,   0,   0,   0,   0,0xFD,0xFF,0xFF,0xFF,0x28,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x5E,   0,   0,   0,   0,0x13,0xFF,0xFF,0xFF,0xFF,0x1A,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x92,   0,   0,   0,   0,0x46,0xFF,0xFF,0xFF,0xF5,0x02,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xEA,0x0C,   0,   0,   0,0xAB,0xFF,0xFF,0xFF,0xC2,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xB7,0x20,0x0D,0x7C,0xFF,0xFF,0xFF,0xFF,0x6B,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0xF6,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x08,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x6A,0xEA,0xFF,0xFF,0xFF,0xFF,0xFF,0xEE,0x31,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,0x1C,0x9E,0xE7,0xF9,0xDF,0x95,0x1A,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'q'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x01,0x63,0xC8,0xF2,0xF1,0xC4,0x56,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x02,0xA9,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x87,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x72,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF4,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x06,0xED,0xFF,0xFF,0xFF,0xD0,0x2D,0x0A,0x62,0xFA,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x4A,0xFF,0xFF,0xFF,0xFB,0x23,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x80,0xFF,0xFF,0xFF,0xBA,   0,   0,   0,   0,0x1D,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xA3,0xFF,0xFF,0xFF,0x86,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xB1,0xFF,0xFF,0xFF,0x71,   0,   0,   0,   0,   0,0xD2,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xB2,0xFF,0xFF,0xFF,0x70,   0,   0,   0,   0,   0,0xD2,0xFF,0xFF,0xFF,0x54,   0,
+   0,0xA3,0xFF,0xFF,0xFF,0x86,   0,   0,   0,   0,   0,0xE8,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x81,0xFF,0xFF,0xFF,0xBA,   0,   0,   0,   0,0x1C,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x4B,0xFF,0xFF,0xFF,0xFB,0x23,   0,   0,   0,0x83,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,0x07,0xEF,0xFF,0xFF,0xFF,0xCF,0x2C,0x09,0x61,0xFA,0xFF,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x74,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,0x02,0xA8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x87,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,0x5E,0xC3,0xF0,0xF5,0xC8,0x58,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xCC,0xFF,0xFF,0xFF,0x54,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'r'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,0x0B,0x79,0xCD,0xF0,0xF7,0xC9,0x60,0x05,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x5B,0xD8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x4C,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0xE7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x4C,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0xFF,0xF8,0x80,0x27,0x08,0x1B,0x6F,0xF2,0x4C,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0xFC,0x42,   0,   0,   0,   0,   0,0x2F,0x3E,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0xA8,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x66,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x4E,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x46,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0xE0,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 's'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x12,0x79,0xC3,0xEC,0xFB,0xEE,0xD6,0xB5,0x70,0x26,   0,   0,   0,
+   0,   0,   0,0x3A,0xEB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,
+   0,   0,0x10,0xEA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x08,   0,   0,
+   0,   0,0x63,0xFF,0xFF,0xFF,0xD0,0x3A,0x0C,0x09,0x23,0x40,0x85,0xD6,0x07,   0,   0,
+   0,   0,0x88,0xFF,0xFF,0xFF,0x73,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x7F,0xFF,0xFF,0xFF,0xF3,0x7B,0x22,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x3D,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0xA2,0x5B,0x0A,   0,   0,   0,   0,
+   0,   0,   0,0xA6,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xED,0x5B,   0,   0,   0,
+   0,   0,   0,0x03,0x78,0xEC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x52,   0,   0,
+   0,   0,   0,   0,   0,0x06,0x46,0x88,0xC5,0xF9,0xFF,0xFF,0xFF,0xFF,0xD3,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x0C,0x6F,0xFE,0xFF,0xFF,0xFF,0x0C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,0xDC,0xFF,0xFF,0xFF,0x14,   0,
+   0,   0,0x4C,0xC7,0x83,0x44,0x27,0x10,0x05,0x1D,0x76,0xFE,0xFF,0xFF,0xF1,0x02,   0,
+   0,   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x95,   0,   0,
+   0,   0,0x50,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC1,0x0E,   0,   0,
+   0,   0,0x03,0x33,0x72,0xAF,0xD1,0xE7,0xFA,0xF6,0xDE,0xAE,0x58,0x02,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 't'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,   0,
+   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,   0,
+   0,0x6C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x60,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x5F,0xFF,0xFF,0xFF,0xC4,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x55,0xFF,0xFF,0xFF,0xD9,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x37,0xFF,0xFF,0xFF,0xFF,0x6A,0x0F,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x07,0xED,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,   0,
+   0,   0,   0,   0,   0,   0,0x6A,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x30,   0,
+   0,   0,   0,   0,   0,   0,   0,0x41,0xA4,0xD8,0xF3,0xFD,0xFF,0xFF,0xFF,0x30,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'u'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xBC,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,0x28,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xB9,0xFF,0xFF,0xFF,0x7A,   0,   0,   0,0x43,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0xAC,0xFF,0xFF,0xFF,0xA3,   0,   0,   0,0x91,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0x83,0xFF,0xFF,0xFF,0xF5,0x4A,0x0E,0x59,0xF8,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,0x32,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF6,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,0x9B,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0x75,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,0x02,0x72,0xD4,0xF8,0xEE,0xBA,0x44,0x20,0xFF,0xFF,0xFF,0xFF,0x08,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'v'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xB4,0xFF,0xFF,0xFF,0x7A,   0,   0,   0,   0,   0,0x0A,0xF8,0xFF,0xFF,0xFF,0x2B,
+   0,0x64,0xFF,0xFF,0xFF,0xBF,   0,   0,   0,   0,   0,0x49,0xFF,0xFF,0xFF,0xDA,   0,
+   0,0x16,0xFD,0xFF,0xFF,0xF9,0x0B,   0,   0,   0,   0,0x8F,0xFF,0xFF,0xFF,0x89,   0,
+   0,   0,0xC3,0xFF,0xFF,0xFF,0x49,   0,   0,   0,   0,0xD5,0xFF,0xFF,0xFF,0x38,   0,
+   0,   0,0x72,0xFF,0xFF,0xFF,0x8F,   0,   0,   0,0x1B,0xFF,0xFF,0xFF,0xE6,0x01,   0,
+   0,   0,0x21,0xFF,0xFF,0xFF,0xD4,   0,   0,   0,0x61,0xFF,0xFF,0xFF,0x97,   0,   0,
+   0,   0,   0,0xD1,0xFF,0xFF,0xFF,0x1A,   0,   0,0xA6,0xFF,0xFF,0xFF,0x46,   0,   0,
+   0,   0,   0,0x81,0xFF,0xFF,0xFF,0x5E,   0,0x01,0xEA,0xFF,0xFF,0xF0,0x05,   0,   0,
+   0,   0,   0,0x30,0xFF,0xFF,0xFF,0xA3,   0,0x32,0xFF,0xFF,0xFF,0xA5,   0,   0,   0,
+   0,   0,   0,   0,0xDF,0xFF,0xFF,0xE7,0x01,0x78,0xFF,0xFF,0xFF,0x54,   0,   0,   0,
+   0,   0,   0,   0,0x8F,0xFF,0xFF,0xFF,0x2E,0xBE,0xFF,0xFF,0xF7,0x0C,   0,   0,   0,
+   0,   0,   0,   0,0x3F,0xFF,0xFF,0xFF,0x7E,0xF8,0xFF,0xFF,0xB2,   0,   0,   0,   0,
+   0,   0,   0,   0,0x03,0xEA,0xFF,0xFF,0xEF,0xFF,0xFF,0xFF,0x62,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x9E,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x14,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x4D,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x08,0xF4,0xFF,0xFF,0xFF,0xFF,0x70,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'w'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0xE9,0xFF,0xFF,0x87,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x13,0xFF,0xFF,0xFF,
+0xBC,0xFF,0xFF,0xAF,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x3C,0xFF,0xFF,0xFF,
+0x8E,0xFF,0xFF,0xD6,   0,   0,   0,   0,   0,   0,   0,   0,   0,0x64,0xFF,0xFF,0xFA,
+0x60,0xFF,0xFF,0xFA,0x04,   0,   0,   0,   0,   0,   0,   0,   0,0x8C,0xFF,0xFF,0xD2,
+0x32,0xFF,0xFF,0xFF,0x26,   0,0x10,0xFE,0xFF,0xFF,0x81,   0,   0,0xB4,0xFF,0xFF,0xA4,
+0x07,0xFB,0xFF,0xFF,0x4D,   0,0x44,0xFF,0xFF,0xFF,0xB6,   0,   0,0xDC,0xFF,0xFF,0x76,
+   0,0xD6,0xFF,0xFF,0x75,   0,0x79,0xFF,0xFF,0xFF,0xEB,   0,0x07,0xFC,0xFF,0xFF,0x48,
+   0,0xA8,0xFF,0xFF,0x9D,   0,0xAE,0xFF,0xF4,0xFF,0xFF,0x1F,0x2C,0xFF,0xFF,0xFF,0x1A,
+   0,0x7A,0xFF,0xFF,0xC4,   0,0xE3,0xFF,0x93,0xFE,0xFF,0x54,0x54,0xFF,0xFF,0xEC,   0,
+   0,0x4C,0xFF,0xFF,0xEC,0x18,0xFF,0xFF,0x47,0xD6,0xFF,0x89,0x7C,0xFF,0xFF,0xBE,   0,
+   0,0x1E,0xFF,0xFF,0xFF,0x62,0xFF,0xFE,0x10,0x9B,0xFF,0xBD,0xA4,0xFF,0xFF,0x90,   0,
+   0,   0,0xEF,0xFF,0xFF,0xBF,0xFF,0xD4,   0,0x61,0xFF,0xF1,0xCD,0xFF,0xFF,0x62,   0,
+   0,   0,0xC2,0xFF,0xFF,0xFE,0xFF,0x9A,   0,0x26,0xFF,0xFF,0xFE,0xFF,0xFF,0x34,   0,
+   0,   0,0x94,0xFF,0xFF,0xFF,0xFF,0x60,   0,   0,0xEA,0xFF,0xFF,0xFF,0xFD,0x09,   0,
+   0,   0,0x66,0xFF,0xFF,0xFF,0xFF,0x26,   0,   0,0xB0,0xFF,0xFF,0xFF,0xD8,   0,   0,
+   0,   0,0x37,0xFF,0xFF,0xFF,0xEC,   0,   0,   0,0x75,0xFF,0xFF,0xFF,0xAA,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'x'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x66,0xFF,0xFF,0xFF,0xFF,0x5E,   0,   0,   0,0x07,0xDF,0xFF,0xFF,0xFF,0xD5,0x08,
+   0,   0,0xB1,0xFF,0xFF,0xFF,0xE2,0x08,   0,   0,0x76,0xFF,0xFF,0xFF,0xFA,0x31,   0,
+   0,   0,0x15,0xE8,0xFF,0xFF,0xFF,0x78,   0,0x14,0xF0,0xFF,0xFF,0xFF,0x78,   0,   0,
+   0,   0,   0,0x4A,0xFF,0xFF,0xFF,0xF1,0x14,0x94,0xFF,0xFF,0xFF,0xC3,0x02,   0,   0,
+   0,   0,   0,   0,0x95,0xFF,0xFF,0xFF,0xB1,0xFB,0xFF,0xFF,0xF2,0x21,   0,   0,   0,
+   0,   0,   0,   0,0x09,0xD7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x60,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x32,0xFA,0xFF,0xFF,0xFF,0xFF,0xAE,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x8D,0xFF,0xFF,0xFF,0xFA,0x16,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x10,0xE2,0xFF,0xFF,0xFF,0xFF,0x76,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xA7,0xFF,0xFF,0xFF,0xFF,0xFF,0xF9,0x2E,   0,   0,   0,   0,
+   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xE9,0xFF,0xFF,0xFF,0xD3,0x07,   0,   0,   0,
+   0,   0,   0,0x1E,0xF0,0xFF,0xFF,0xFE,0x37,0xC3,0xFF,0xFF,0xFF,0x8D,   0,   0,   0,
+   0,   0,0x02,0xC0,0xFF,0xFF,0xFF,0xA1,   0,0x32,0xFD,0xFF,0xFF,0xFE,0x41,   0,   0,
+   0,   0,0x77,0xFF,0xFF,0xFF,0xF4,0x1A,   0,   0,0x9B,0xFF,0xFF,0xFF,0xE1,0x0F,   0,
+   0,0x30,0xF9,0xFF,0xFF,0xFF,0x7B,   0,   0,   0,0x16,0xF0,0xFF,0xFF,0xFF,0xA4,   0,
+0x08,0xD5,0xFF,0xFF,0xFF,0xE0,0x08,   0,   0,   0,   0,0x72,0xFF,0xFF,0xFF,0xFF,0x56,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'y'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+0x0A,0xF0,0xFF,0xFF,0xFF,0x60,   0,   0,   0,   0,   0,   0,0xDE,0xFF,0xFF,0xFF,0x78,
+   0,0x97,0xFF,0xFF,0xFF,0xB9,   0,   0,   0,   0,   0,0x34,0xFF,0xFF,0xFF,0xFD,0x1C,
+   0,0x34,0xFF,0xFF,0xFF,0xFC,0x16,   0,   0,   0,   0,0x8A,0xFF,0xFF,0xFF,0xBB,   0,
+   0,   0,0xD0,0xFF,0xFF,0xFF,0x6C,   0,   0,   0,   0,0xDE,0xFF,0xFF,0xFF,0x5C,   0,
+   0,   0,0x6D,0xFF,0xFF,0xFF,0xC5,   0,   0,   0,0x35,0xFF,0xFF,0xFF,0xF3,0x0A,   0,
+   0,   0,0x11,0xF7,0xFF,0xFF,0xFE,0x1F,   0,   0,0x8A,0xFF,0xFF,0xFF,0x9F,   0,   0,
+   0,   0,   0,0xA6,0xFF,0xFF,0xFF,0x78,   0,   0,0xDE,0xFF,0xFF,0xFF,0x40,   0,   0,
+   0,   0,   0,0x43,0xFF,0xFF,0xFF,0xD1,   0,0x35,0xFF,0xFF,0xFF,0xE0,0x01,   0,   0,
+   0,   0,   0,0x01,0xDE,0xFF,0xFF,0xFF,0x2A,0x8B,0xFF,0xFF,0xFF,0x83,   0,   0,   0,
+   0,   0,   0,   0,0x7C,0xFF,0xFF,0xFF,0x84,0xDF,0xFF,0xFF,0xFF,0x25,   0,   0,   0,
+   0,   0,   0,   0,0x1C,0xFC,0xFF,0xFF,0xF2,0xFF,0xFF,0xFF,0xC6,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0xB5,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x67,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x52,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x10,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x05,0xE9,0xFF,0xFF,0xFF,0xFF,0xAA,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x8B,0xFF,0xFF,0xFF,0xFF,0x4C,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x39,0xFF,0xFF,0xFF,0xE9,0x04,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x77,0xFF,0xFF,0xFF,0x8E,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x06,0xE0,0xFF,0xFF,0xFF,0x30,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x03,0x21,0xA3,0xFF,0xFF,0xFF,0xC6,   0,   0,   0,   0,   0,   0,   0,
+   0,0x34,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x44,   0,   0,   0,   0,   0,   0,   0,
+   0,0x34,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8B,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x34,0xFF,0xFF,0xFF,0xF3,0xC9,0x56,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// 'z'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,0x5C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,0x5C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0x06,0xC0,0xFF,0xFF,0xFF,0xF3,0x26,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,0xA2,0xFF,0xFF,0xFF,0xFC,0x4A,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x80,0xFF,0xFF,0xFF,0xFF,0x6B,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x5C,0xFF,0xFF,0xFF,0xFF,0x8E,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3E,0xF9,0xFF,0xFF,0xFF,0xB0,0x02,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x27,0xED,0xFF,0xFF,0xFF,0xCB,0x0A,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x14,0xDC,0xFF,0xFF,0xFF,0xE1,0x18,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x08,0xC5,0xFF,0xFF,0xFF,0xF1,0x2C,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x01,0xA9,0xFF,0xFF,0xFF,0xFB,0x46,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x7D,0xFF,0xFF,0xFF,0xFF,0x66,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,0xB4,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x50,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '{'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x31,0x9C,0xD3,0xF1,0xFC,0xFF,0xE8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x40,0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xE8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xBC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE8,   0,   0,
+   0,   0,   0,   0,   0,   0,0x02,0xF6,0xFF,0xFF,0xFF,0x6D,0x15,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x14,0xFF,0xFF,0xFF,0xD8,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1E,0xFF,0xFF,0xFF,0xB9,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xB4,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xB4,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x22,0xFF,0xFF,0xFF,0xB3,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x36,0xFF,0xFF,0xFF,0xAD,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x77,0xFF,0xFF,0xFF,0x97,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x02,0x17,0x63,0xF3,0xFF,0xFF,0xFF,0x5A,   0,   0,   0,   0,   0,   0,
+   0,   0,0x80,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB6,0x04,   0,   0,   0,   0,   0,   0,
+   0,   0,0x80,0xFF,0xFF,0xFF,0xFF,0xF3,0x7E,0x01,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x80,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB3,0x03,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x02,0x18,0x66,0xF4,0xFF,0xFF,0xFF,0x56,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x79,0xFF,0xFF,0xFF,0x96,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x36,0xFF,0xFF,0xFF,0xAD,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x22,0xFF,0xFF,0xFF,0xB3,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xB4,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x20,0xFF,0xFF,0xFF,0xB4,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x1E,0xFF,0xFF,0xFF,0xBA,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x14,0xFF,0xFF,0xFF,0xD8,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x02,0xF5,0xFF,0xFF,0xFF,0x6D,0x14,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xBB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x40,0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xE8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x32,0x9D,0xD5,0xF2,0xFC,0xFF,0xE8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '|'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0xE4,0xFF,0xFF,0x54,   0,   0,   0,   0,   0,   0,
+// '}'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x74,0xFF,0xFF,0xF6,0xE4,0xB9,0x66,0x03,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x74,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x74,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x28,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x08,0x35,0xD4,0xFF,0xFF,0xFF,0x64,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x65,0xFF,0xFF,0xFF,0x7F,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x46,0xFF,0xFF,0xFF,0x8A,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0x8C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0x8C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0x8E,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3B,0xFF,0xFF,0xFF,0xA1,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x24,0xFF,0xFF,0xFF,0xE0,0x04,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x01,0xE6,0xFF,0xFF,0xFF,0xAA,0x30,0x08,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x54,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,0x33,0xD0,0xFF,0xFF,0xFF,0xFF,0xF8,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,0x4F,0xF6,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,   0,   0,
+   0,   0,   0,   0,   0,   0,0x01,0xE4,0xFF,0xFF,0xFF,0xAD,0x32,0x09,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x23,0xFF,0xFF,0xFF,0xE1,0x04,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x3B,0xFF,0xFF,0xFF,0xA1,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0x8E,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0x8C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x40,0xFF,0xFF,0xFF,0x8C,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x47,0xFF,0xFF,0xFF,0x8A,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,0x67,0xFF,0xFF,0xFF,0x7F,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x08,0x34,0xD5,0xFF,0xFF,0xFF,0x63,   0,   0,   0,   0,   0,   0,
+   0,   0,0x74,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x27,   0,   0,   0,   0,   0,   0,
+   0,   0,0x74,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xA8,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x74,0xFF,0xFF,0xF7,0xE5,0xBA,0x68,0x03,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// '~'
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x1B,0x93,0xDF,0xF8,0xE1,0xAA,0x46,   0,   0,   0,   0,   0,   0,0x65,0x34,
+   0,0x50,0xF2,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCC,0x5F,0x1D,0x09,0x3A,0xAD,0xFF,0x38,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,0xC0,0xE5,0x69,0x1C,0x08,0x28,0x6E,0xDA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xB3,0x0C,
+   0,0x7C,0x0F,   0,   0,   0,   0,   0,0x02,0x51,0xB7,0xEC,0xF3,0xC3,0x5B,0x01,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+// Small
+// ' '
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '!'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xB4,0xFF,0x20,   0,   0,
+   0,   0,   0,0xB4,0xFF,0x20,   0,   0,
+   0,   0,   0,0xB4,0xFF,0x20,   0,   0,
+   0,   0,   0,0xB4,0xFF,0x20,   0,   0,
+   0,   0,   0,0xB1,0xFF,0x1D,   0,   0,
+   0,   0,   0,0x9B,0xFF,0x09,   0,   0,
+   0,   0,   0,0x81,0xF3,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xB4,0xFF,0x20,   0,   0,
+   0,   0,   0,0xB4,0xFF,0x20,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '"'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x6C,0xFF,0x54,   0,0xEC,0xD4,   0,
+   0,0x6C,0xFF,0x54,   0,0xEC,0xD4,   0,
+   0,0x6C,0xFF,0x54,   0,0xEC,0xD4,   0,
+   0,0x6C,0xFF,0x54,   0,0xEC,0xD4,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '#'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xCC,0xB8,   0,0xE4,0xA2,
+   0,   0,0x08,0xFA,0x81,0x1A,0xFF,0x69,
+   0,   0,0x39,0xFF,0x4B,0x51,0xFF,0x30,
+0x34,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+   0,   0,0xD5,0xAE,0x01,0xEB,0x97,   0,
+   0,0x15,0xFE,0x6C,0x2C,0xFF,0x57,   0,
+0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x9C,
+   0,0xB0,0xD4,   0,0xC4,0xBF,   0,   0,
+   0,0xE6,0x9D,0x04,0xF5,0x87,   0,   0,
+0x1D,0xFF,0x67,0x31,0xFF,0x4F,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '$'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x38,0xC0,   0,   0,   0,
+   0,   0,   0,0x38,0xC0,   0,   0,   0,
+   0,0x18,0xAB,0xF0,0xFF,0xFF,0xD4,   0,
+   0,0xAB,0xFD,0x66,0xC2,0x38,0x95,   0,
+   0,0xD3,0xFD,0x55,0xC0,   0,   0,   0,
+   0,0x81,0xFF,0xFB,0xE9,0x76,0x0E,   0,
+   0,   0,0x56,0xBA,0xFF,0xFF,0xD7,0x09,
+   0,   0,   0,0x38,0xC1,0xA5,0xFF,0x59,
+   0,0x68,   0,0x38,0xC0,0x67,0xFF,0x6A,
+   0,0xD4,0x95,0x4A,0xC3,0xAB,0xFB,0x29,
+   0,0x2F,0xAC,0xEE,0xFE,0xD6,0x51,   0,
+   0,   0,   0,0x38,0xC0,   0,   0,   0,
+   0,   0,   0,0x38,0xC0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '%'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x20,0xC4,0xF4,0xAD,0x0B,   0,   0,   0,
+0xA9,0xAA,0x11,0xD3,0x79,   0,   0,   0,
+0xAA,0xA9,0x10,0xD2,0x79,   0,   0,   0,
+0x21,0xC6,0xF4,0xAF,0x0C,0x0A,0x6F,0x8F,
+   0,   0,   0,0x0D,0x77,0x9D,0x37,   0,
+   0,0x11,0x7D,0x99,0x2F,   0,   0,   0,
+0x2F,0x94,0x28,   0,0x47,0xDD,0xEE,0x7C,
+   0,   0,   0,   0,0xE9,0x6A,0x2A,0xFB,
+   0,   0,   0,   0,0xEA,0x68,0x28,0xFB,
+   0,   0,   0,   0,0x49,0xDE,0xEF,0x80,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '&'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x02,0x89,0xE4,0xF6,0x9A,0x09,   0,
+   0,0x59,0xFF,0x9A,0x0C,0x5D,0x45,   0,
+   0,0x6E,0xFF,0x9F,   0,   0,   0,   0,
+   0,0x1B,0xF7,0xF7,0x1F,   0,   0,   0,
+   0,0x8A,0xFF,0xFF,0xB2,   0,   0,   0,
+0x5B,0xFF,0xA9,0xBF,0xFF,0x55,0x45,0xFF,
+0xAF,0xFF,0x2E,0x2B,0xFB,0xE7,0x65,0xFF,
+0xA6,0xFF,0x36,   0,0x8D,0xFF,0xF7,0xEF,
+0x47,0xFE,0xC1,0x1C,0x2D,0xFC,0xFF,0x85,
+   0,0x51,0xCD,0xF6,0xF1,0xC4,0xF5,0xE5,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '''
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xAC,0xFF,0x14,   0,   0,
+   0,   0,   0,0xAC,0xFF,0x14,   0,   0,
+   0,   0,   0,0xAC,0xFF,0x14,   0,   0,
+   0,   0,   0,0xAC,0xFF,0x14,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '('
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,0x8D,0xF6,0x18,   0,
+   0,   0,   0,0x2B,0xFC,0x92,   0,   0,
+   0,   0,   0,0xA0,0xFF,0x2F,   0,   0,
+   0,   0,0x06,0xF5,0xE1,   0,   0,   0,
+   0,   0,0x39,0xFF,0xAD,   0,   0,   0,
+   0,   0,0x55,0xFF,0x95,   0,   0,   0,
+   0,   0,0x56,0xFF,0x95,   0,   0,   0,
+   0,   0,0x3A,0xFF,0xAE,   0,   0,   0,
+   0,   0,0x07,0xF7,0xE2,   0,   0,   0,
+   0,   0,   0,0xA3,0xFF,0x30,   0,   0,
+   0,   0,   0,0x2D,0xFC,0x93,   0,   0,
+   0,   0,   0,   0,0x8D,0xF6,0x18,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// ')'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xA3,0xE9,0x12,   0,   0,   0,
+   0,   0,0x25,0xFE,0x97,   0,   0,   0,
+   0,   0,   0,0xC0,0xF8,0x17,   0,   0,
+   0,   0,   0,0x72,0xFF,0x6B,   0,   0,
+   0,   0,   0,0x3D,0xFF,0xA8,   0,   0,
+   0,   0,   0,0x25,0xFF,0xC4,   0,   0,
+   0,   0,   0,0x26,0xFF,0xC4,   0,   0,
+   0,   0,   0,0x3E,0xFF,0xA8,   0,   0,
+   0,   0,   0,0x73,0xFF,0x6B,   0,   0,
+   0,   0,   0,0xC1,0xF8,0x17,   0,   0,
+   0,   0,0x26,0xFE,0x98,   0,   0,   0,
+   0,   0,0xA3,0xEA,0x12,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '*'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x64,0xC8,   0,   0,   0,
+0x08,0xC9,0x68,0x69,0xC8,0x35,0xB6,0x55,
+   0,0x38,0xB6,0xF9,0xFA,0xE1,0x6B,0x07,
+   0,0x38,0xB5,0xF8,0xF9,0xE1,0x6A,0x07,
+0x08,0xC9,0x67,0x69,0xC8,0x33,0xB6,0x55,
+   0,   0,   0,0x64,0xC8,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '+'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x98,0xFF,0x08,   0,   0,
+   0,   0,   0,0x98,0xFF,0x08,   0,   0,
+   0,   0,   0,0x98,0xFF,0x08,   0,   0,
+0x8C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,
+0x8C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,
+   0,   0,   0,0x98,0xFF,0x08,   0,   0,
+   0,   0,   0,0x98,0xFF,0x08,   0,   0,
+   0,   0,   0,0x98,0xFF,0x08,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// ','
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xD8,0xFF,0x4C,   0,   0,
+   0,   0,   0,0xDC,0xFF,0x43,   0,   0,
+   0,   0,0x18,0xFE,0xCD,0x02,   0,   0,
+   0,   0,0x62,0xFF,0x3D,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '-'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xF0,0xFF,0xFF,0xFF,0x60,   0,
+   0,   0,0xF0,0xFF,0xFF,0xFF,0x60,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '.'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '/'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x1B,0xFA,0x6E,
+   0,   0,   0,   0,   0,0x88,0xEF,0x0C,
+   0,   0,   0,   0,0x0C,0xEF,0x88,   0,
+   0,   0,   0,   0,0x6E,0xFA,0x1B,   0,
+   0,   0,   0,0x02,0xDD,0xA3,   0,   0,
+   0,   0,   0,0x53,0xFF,0x31,   0,   0,
+   0,   0,   0,0xC6,0xBE,   0,   0,   0,
+   0,   0,0x38,0xFF,0x4B,   0,   0,   0,
+   0,   0,0xAB,0xD7,0x01,   0,   0,   0,
+   0,0x20,0xFC,0x66,   0,   0,   0,   0,
+   0,0x90,0xEA,0x08,   0,   0,   0,   0,
+0x0F,0xF3,0x81,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '0'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x01,0x81,0xE7,0xF7,0xBD,0x25,   0,
+   0,0x6F,0xFF,0x80,0x26,0xF0,0xD9,0x04,
+   0,0xD9,0xFF,0x10,   0,0xA3,0xFF,0x48,
+0x0D,0xFF,0xEE,   0,   0,0x80,0xFF,0x7C,
+0x22,0xFF,0xE2,0x6B,0xD3,0x74,0xFF,0x92,
+0x23,0xFF,0xE2,0x6D,0xD5,0x74,0xFF,0x91,
+0x0D,0xFF,0xEE,   0,   0,0x80,0xFF,0x7C,
+   0,0xD9,0xFF,0x10,   0,0xA3,0xFF,0x49,
+   0,0x6F,0xFF,0x80,0x26,0xF0,0xDB,0x05,
+   0,0x01,0x82,0xE8,0xF8,0xBE,0x26,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '1'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x13,0x80,0xED,0xFF,0x80,   0,   0,
+   0,0x7C,0x7F,0x86,0xFF,0x80,   0,   0,
+   0,   0,   0,0x74,0xFF,0x80,   0,   0,
+   0,   0,   0,0x74,0xFF,0x80,   0,   0,
+   0,   0,   0,0x74,0xFF,0x80,   0,   0,
+   0,   0,   0,0x74,0xFF,0x80,   0,   0,
+   0,   0,   0,0x74,0xFF,0x80,   0,   0,
+   0,   0,   0,0x74,0xFF,0x80,   0,   0,
+   0,   0,   0,0x74,0xFF,0x80,   0,   0,
+   0,0xB8,0xFF,0xFF,0xFF,0xFF,0xFF,0xC4,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '2'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x41,0xBA,0xF6,0xE6,0xA2,0x1A,   0,
+   0,0xBD,0x41,0x08,0x49,0xFC,0xCF,0x02,
+   0,   0,   0,   0,   0,0xD8,0xFF,0x29,
+   0,   0,   0,   0,0x0C,0xF8,0xFF,0x27,
+   0,   0,   0,   0,0x8A,0xFF,0xD9,0x02,
+   0,   0,   0,0x4D,0xFE,0xFA,0x3D,   0,
+   0,   0,0x2B,0xF2,0xFD,0x59,   0,   0,
+   0,0x13,0xDD,0xFF,0x67,   0,   0,   0,
+0x05,0xC1,0xFF,0x72,   0,   0,   0,   0,
+0x37,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x44,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '3'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x30,0xAF,0xF4,0xED,0xBB,0x38,   0,
+   0,0xA7,0x4D,0x09,0x32,0xF0,0xF2,0x12,
+   0,   0,   0,   0,   0,0xB6,0xFF,0x3B,
+   0,   0,   0,0x01,0x2F,0xEC,0xDF,0x0C,
+   0,   0,0x54,0xFF,0xFF,0xD7,0x29,   0,
+   0,   0,   0,0x01,0x33,0xE7,0xE9,0x18,
+   0,   0,   0,   0,   0,0x85,0xFF,0x6E,
+   0,   0,   0,   0,   0,0x7B,0xFF,0x6E,
+0x22,0xA6,0x37,0x0D,0x2B,0xDF,0xF5,0x25,
+0x01,0x57,0xC5,0xF2,0xEC,0xBC,0x3E,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '4'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x04,0xC8,0xFF,0xAC,   0,
+   0,   0,   0,0x88,0xFF,0xFF,0xAC,   0,
+   0,   0,0x44,0xFE,0xC0,0xFF,0xAC,   0,
+   0,0x15,0xE7,0xD1,0x45,0xFF,0xAC,   0,
+0x01,0xB6,0xFB,0x31,0x40,0xFF,0xAC,   0,
+0x43,0xFF,0x81,   0,0x40,0xFF,0xAC,   0,
+0x4C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCC,
+   0,   0,   0,   0,0x40,0xFF,0xAC,   0,
+   0,   0,   0,   0,0x40,0xFF,0xAC,   0,
+   0,   0,   0,   0,0x40,0xFF,0xAC,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '5'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xB0,0xFF,0xFF,0xFF,0xFF,0xDC,   0,
+   0,0xB0,0xF4,   0,   0,   0,   0,   0,
+   0,0xB0,0xF4,   0,   0,   0,   0,   0,
+   0,0xB0,0xFE,0xF4,0xEC,0xAC,0x1C,   0,
+   0,0x86,0x44,0x0E,0x5A,0xFC,0xD7,0x07,
+   0,   0,   0,   0,   0,0xAA,0xFF,0x50,
+   0,   0,   0,   0,   0,0x85,0xFF,0x73,
+   0,   0,   0,   0,   0,0xA7,0xFF,0x57,
+0x03,0xAA,0x2D,0x0C,0x57,0xFA,0xDB,0x08,
+   0,0x49,0xC2,0xF3,0xE1,0x9B,0x17,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '6'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x43,0xC2,0xF4,0xE1,0x65,   0,
+   0,0x3E,0xFB,0x9E,0x18,0x1E,0x9C,0x0B,
+   0,0xBB,0xF3,0x09,   0,   0,   0,   0,
+0x03,0xF7,0xEB,0xC6,0xF5,0xDF,0x6D,   0,
+0x15,0xFF,0xFF,0x90,0x13,0xC1,0xFF,0x40,
+0x17,0xFF,0xFF,0x26,   0,0x5C,0xFF,0x8E,
+0x06,0xFD,0xFF,0x11,   0,0x45,0xFF,0xA2,
+   0,0xD3,0xFF,0x26,   0,0x5B,0xFF,0x83,
+   0,0x6F,0xFF,0x90,0x12,0xC0,0xFB,0x26,
+   0,0x01,0x7E,0xE3,0xF7,0xCE,0x48,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '7'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x14,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x60,
+   0,   0,   0,   0,0x0B,0xF4,0xFF,0x4D,
+   0,   0,   0,   0,0x5E,0xFF,0xE9,0x05,
+   0,   0,   0,   0,0xBD,0xFF,0x88,   0,
+   0,   0,   0,0x1D,0xFD,0xFE,0x23,   0,
+   0,   0,   0,0x7A,0xFF,0xBA,   0,   0,
+   0,   0,   0,0xD8,0xFF,0x53,   0,   0,
+   0,   0,0x38,0xFF,0xE7,0x05,   0,   0,
+   0,   0,0x96,0xFF,0x85,   0,   0,   0,
+   0,0x06,0xED,0xFE,0x21,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '8'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x0D,0x99,0xE7,0xF4,0xC7,0x40,   0,
+   0,0x9A,0xFF,0x4D,0x15,0xCD,0xF4,0x15,
+   0,0xD1,0xF4,   0,   0,0x89,0xFF,0x40,
+   0,0x8B,0xFF,0x4C,0x14,0xCE,0xEA,0x10,
+   0,0x08,0xC3,0xFF,0xFF,0xF8,0x47,   0,
+   0,0xA7,0xFC,0x46,0x15,0xC4,0xF2,0x22,
+0x0F,0xFF,0xC5,   0,   0,0x56,0xFF,0x7A,
+0x0B,0xFE,0xC5,   0,   0,0x57,0xFF,0x74,
+   0,0xBB,0xFC,0x46,0x15,0xC6,0xFA,0x2B,
+   0,0x18,0xA2,0xE7,0xF4,0xCA,0x4A,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '9'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x13,0xA4,0xEA,0xF3,0xB4,0x21,   0,
+   0,0xB5,0xFB,0x3B,0x32,0xF7,0xD5,0x03,
+0x15,0xFF,0xC6,   0,   0,0xBA,0xFF,0x3E,
+0x33,0xFF,0xB1,   0,   0,0xA5,0xFF,0x6E,
+0x1F,0xFF,0xC6,   0,   0,0xBA,0xFF,0x82,
+0x01,0xCE,0xFB,0x3A,0x31,0xF7,0xFF,0x80,
+   0,0x26,0xBF,0xF5,0xE7,0xC8,0xFF,0x66,
+   0,   0,   0,   0,   0,0x8D,0xFF,0x27,
+   0,0x73,0x3F,0x0C,0x4B,0xF2,0xA5,   0,
+   0,0x23,0xBC,0xF7,0xDF,0x85,0x06,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// ':'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// ';'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xF0,0xFF,0x58,   0,   0,
+   0,   0,   0,0xF3,0xFF,0x4F,   0,   0,
+   0,   0,0x21,0xFF,0xD7,0x04,   0,   0,
+   0,   0,0x5B,0xFF,0x49,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '<'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x1F,0x7E,0xB2,
+   0,   0,0x09,0x5B,0xBC,0xFE,0xFE,0xA6,
+0x21,0x99,0xF1,0xFF,0xCA,0x72,0x1B,   0,
+0x64,0xFF,0xDF,0x3F,   0,   0,   0,   0,
+0x23,0x9E,0xF3,0xFE,0xC4,0x6D,0x19,   0,
+   0,   0,0x0B,0x5F,0xBF,0xFE,0xFD,0xA5,
+   0,   0,   0,   0,   0,0x21,0x80,0xB3,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '='
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x64,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD4,
+0x64,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD4,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x64,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD4,
+0x64,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD4,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '>'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x5C,0xA9,0x48,0x02,   0,   0,   0,   0,
+0x46,0xED,0xFF,0xE4,0x86,0x26,   0,   0,
+   0,0x05,0x4C,0xA4,0xF3,0xFF,0xC4,0x59,
+   0,   0,   0,   0,0x10,0xA3,0xFF,0xD4,
+   0,0x04,0x48,0x9F,0xEF,0xFF,0xC8,0x5C,
+0x46,0xEC,0xFF,0xE6,0x89,0x28,   0,   0,
+0x5C,0xAA,0x4A,0x03,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '?'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x0B,0x7F,0xD9,0xF6,0xD4,0x5A,   0,
+   0,0x5B,0x79,0x1F,0x12,0xD2,0xFE,0x23,
+   0,   0,   0,   0,0x06,0xDB,0xFF,0x29,
+   0,   0,   0,0x04,0xAE,0xFF,0x86,   0,
+   0,   0,   0,0x90,0xFF,0x83,   0,   0,
+   0,   0,   0,0xE7,0xE9,0x01,   0,   0,
+   0,   0,   0,0xFC,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0xFC,0xD4,   0,   0,   0,
+   0,   0,   0,0xFC,0xD4,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '@'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x65,0xD1,0xF7,0xDD,0x75,0x01,
+   0,0x8B,0xE9,0x4B,0x09,0x3F,0xEF,0x69,
+0x36,0xFE,0x45,   0,   0,   0,0x8D,0xC9,
+0x9B,0xD2,   0,0x4F,0xDE,0xEF,0xCF,0xE9,
+0xD4,0x91,0x16,0xF4,0x80,0x12,0xC5,0xEC,
+0xEC,0x74,0x4E,0xFF,0x1A,   0,0x66,0xEC,
+0xEB,0x6F,0x4E,0xFF,0x19,   0,0x67,0xEC,
+0xCF,0x8E,0x15,0xF4,0x80,0x12,0xC5,0xEC,
+0x8E,0xD6,   0,0x4F,0xDE,0xF2,0xD2,0xEC,
+0x24,0xF8,0x5F,   0,   0,   0,   0,   0,
+   0,0x61,0xF6,0x74,0x16,0x13,0x72,0x71,
+   0,   0,0x3C,0xB3,0xED,0xF8,0xDD,0x78,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'A'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x28,0xFF,0xFF,0x96,   0,   0,
+   0,   0,0x6E,0xFF,0xFE,0xDD,   0,   0,
+   0,   0,0xB5,0xFE,0xB4,0xFF,0x23,   0,
+   0,0x07,0xF5,0xD6,0x67,0xFF,0x6A,   0,
+   0,0x43,0xFF,0x9B,0x2C,0xFF,0xB0,   0,
+   0,0x8A,0xFF,0x61,0x01,0xEF,0xF1,0x04,
+   0,0xD0,0xFF,0xFF,0xFF,0xFF,0xFF,0x3D,
+0x18,0xFE,0xC1,   0,   0,0x56,0xFF,0x83,
+0x5E,0xFF,0x8D,   0,   0,0x20,0xFF,0xCA,
+0xA5,0xFF,0x59,   0,   0,   0,0xEA,0xFD,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'B'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x24,0xFF,0xFF,0xFF,0xF6,0xD6,0x71,   0,
+0x24,0xFF,0xCC,   0,0x10,0xBD,0xFF,0x54,
+0x24,0xFF,0xCC,   0,   0,0x78,0xFF,0x84,
+0x24,0xFF,0xCC,   0,0x0E,0xB8,0xFE,0x45,
+0x24,0xFF,0xFF,0xFF,0xFF,0xF5,0x75,   0,
+0x24,0xFF,0xCC,   0,0x0E,0x9E,0xFF,0x6A,
+0x24,0xFF,0xCC,   0,   0,0x30,0xFF,0xD3,
+0x24,0xFF,0xCC,   0,   0,0x2C,0xFF,0xDC,
+0x24,0xFF,0xCC,   0,0x0C,0x93,0xFF,0x9A,
+0x24,0xFF,0xFF,0xFF,0xFC,0xE3,0x99,0x0D,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'C'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x22,0xA9,0xEC,0xEF,0xA0,0x0E,
+   0,0x17,0xE8,0xF1,0x3F,0x0F,0x5A,0x53,
+   0,0x8B,0xFF,0x89,   0,   0,   0,   0,
+   0,0xD0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xED,0xFF,0x2E,   0,   0,   0,   0,
+   0,0xED,0xFF,0x2D,   0,   0,   0,   0,
+   0,0xD0,0xFF,0x44,   0,   0,   0,   0,
+   0,0x8B,0xFF,0x89,   0,   0,   0,   0,
+   0,0x17,0xE9,0xF3,0x4A,0x10,0x57,0x52,
+   0,   0,0x23,0xAA,0xED,0xF0,0x9F,0x0E,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'D'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x10,0xFF,0xFF,0xF9,0xDD,0x94,0x16,   0,
+0x10,0xFF,0xF4,0x07,0x51,0xF6,0xDB,0x0C,
+0x10,0xFF,0xF4,   0,   0,0x98,0xFF,0x6C,
+0x10,0xFF,0xF4,   0,   0,0x62,0xFF,0xAB,
+0x10,0xFF,0xF4,   0,   0,0x50,0xFF,0xC4,
+0x10,0xFF,0xF4,   0,   0,0x51,0xFF,0xC4,
+0x10,0xFF,0xF4,   0,   0,0x63,0xFF,0xAB,
+0x10,0xFF,0xF4,   0,   0,0x98,0xFF,0x6C,
+0x10,0xFF,0xF4,0x07,0x50,0xF6,0xDC,0x0C,
+0x10,0xFF,0xFF,0xF9,0xDE,0x95,0x17,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'E'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xD8,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+   0,0xD8,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD8,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD8,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD8,0xFF,0xFF,0xFF,0xFF,0xFF,0x18,
+   0,0xD8,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD8,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD8,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD8,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD8,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'F'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0x9C,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0x38,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,0xC0,0xFF,0x44,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'G'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x40,0xC0,0xF4,0xEF,0x8E,0x0A,
+   0,0x41,0xFB,0xDA,0x2F,0x13,0x60,0x4F,
+   0,0xC9,0xFF,0x43,   0,   0,   0,   0,
+0x10,0xFF,0xFD,0x06,   0,   0,   0,   0,
+0x2D,0xFF,0xEC,   0,   0,   0,   0,   0,
+0x2D,0xFF,0xF1,   0,0x6C,0xFF,0xFF,0xB8,
+0x10,0xFE,0xFF,0x09,   0,0x08,0xFF,0xB8,
+   0,0xC8,0xFF,0x4B,   0,0x08,0xFF,0xB8,
+   0,0x41,0xFB,0xCE,0x1F,0x20,0xFF,0xB8,
+   0,   0,0x43,0xC4,0xF6,0xF3,0xD1,0x66,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'H'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+0x10,0xFF,0xF4,   0,   0,0x88,0xFF,0x80,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'I'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xD4,0xFF,0xFF,0xFF,0xFF,0xFF,0x40,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,0xD4,0xFF,0xFF,0xFF,0xFF,0xFF,0x40,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'J'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x98,0xFF,0xFF,0xFF,0xE4,   0,
+   0,   0,   0,   0,0x20,0xFF,0xE4,   0,
+   0,   0,   0,   0,0x20,0xFF,0xE4,   0,
+   0,   0,   0,   0,0x20,0xFF,0xE4,   0,
+   0,   0,   0,   0,0x20,0xFF,0xE4,   0,
+   0,   0,   0,   0,0x20,0xFF,0xE4,   0,
+   0,   0,   0,   0,0x20,0xFF,0xE4,   0,
+   0,   0,   0,   0,0x25,0xFF,0xDD,   0,
+0x3B,0x8C,0x28,0x09,0x7E,0xFF,0xAD,   0,
+0x04,0x65,0xCE,0xF8,0xEF,0xB5,0x1D,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'K'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x34,0xFF,0xD0,   0,   0,0x6B,0xFF,0xCF,
+0x34,0xFF,0xD0,   0,0x3D,0xFA,0xE9,0x1E,
+0x34,0xFF,0xD0,0x1C,0xE8,0xF9,0x3C,   0,
+0x34,0xFF,0xD7,0xCA,0xFF,0x64,   0,   0,
+0x34,0xFF,0xFF,0xFF,0xFF,0x57,   0,   0,
+0x34,0xFF,0xFF,0xD4,0xFF,0xDD,0x06,   0,
+0x34,0xFF,0xE7,0x0F,0xBF,0xFF,0x71,   0,
+0x34,0xFF,0xD0,   0,0x37,0xFF,0xED,0x10,
+0x34,0xFF,0xD0,   0,   0,0xAD,0xFF,0x8B,
+0x34,0xFF,0xD0,   0,   0,0x28,0xFC,0xF8,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'L'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0x90,   0,   0,   0,   0,
+   0,0x78,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'M'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x68,0xFF,0xFF,0x25,   0,0xBA,0xFF,0xD8,
+0x68,0xFF,0xFF,0x70,0x0B,0xF8,0xFF,0xD8,
+0x68,0xFF,0xD6,0xBC,0x4E,0xEF,0xE6,0xD8,
+0x68,0xFF,0x92,0xFA,0xA6,0xAE,0xE4,0xD8,
+0x68,0xFF,0x59,0xF4,0xFE,0x6B,0xE4,0xD8,
+0x68,0xFF,0x54,0xB6,0xFF,0x29,0xE4,0xD8,
+0x68,0xFF,0x54,   0,   0,   0,0xE4,0xD8,
+0x68,0xFF,0x54,   0,   0,   0,0xE4,0xD8,
+0x68,0xFF,0x54,   0,   0,   0,0xE4,0xD8,
+0x68,0xFF,0x54,   0,   0,   0,0xE4,0xD8,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'N'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x30,0xFF,0xFF,0x2D,   0,0x2C,0xFF,0x9C,
+0x30,0xFF,0xFF,0x92,   0,0x2C,0xFF,0x9C,
+0x30,0xFF,0xFC,0xEE,0x08,0x2C,0xFF,0x9C,
+0x30,0xFF,0xB6,0xFD,0x5A,0x2C,0xFF,0x9C,
+0x30,0xFF,0x98,0xB6,0xBE,0x2C,0xFF,0x9C,
+0x30,0xFF,0x98,0x51,0xFE,0x50,0xFF,0x9C,
+0x30,0xFF,0x98,0x04,0xE8,0xB3,0xFF,0x9C,
+0x30,0xFF,0x98,   0,0x88,0xFC,0xFF,0x9C,
+0x30,0xFF,0x98,   0,0x24,0xFE,0xFF,0x9C,
+0x30,0xFF,0x98,   0,   0,0xBE,0xFF,0x9C,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'O'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x07,0x90,0xE9,0xF6,0xC2,0x31,   0,
+   0,0x96,0xFF,0x6D,0x1F,0xE4,0xED,0x14,
+0x0F,0xF9,0xEE,0x01,   0,0x83,0xFF,0x74,
+0x42,0xFF,0xCB,   0,   0,0x5D,0xFF,0xAD,
+0x5A,0xFF,0xBE,   0,   0,0x4F,0xFF,0xC5,
+0x5A,0xFF,0xBE,   0,   0,0x4F,0xFF,0xC5,
+0x43,0xFF,0xCB,   0,   0,0x5D,0xFF,0xAE,
+0x0F,0xFA,0xEE,0x01,   0,0x83,0xFF,0x75,
+   0,0x96,0xFF,0x6B,0x1F,0xE2,0xED,0x14,
+   0,0x07,0x91,0xEB,0xF8,0xC3,0x32,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'P'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xE4,0xFF,0xFF,0xF7,0xD8,0x81,0x02,
+   0,0xE4,0xFF,0x20,0x15,0xB3,0xFF,0x78,
+   0,0xE4,0xFF,0x20,   0,0x4D,0xFF,0xC2,
+   0,0xE4,0xFF,0x20,   0,0x4E,0xFF,0xC1,
+   0,0xE4,0xFF,0x20,0x14,0xB1,0xFF,0x78,
+   0,0xE4,0xFF,0xFF,0xF8,0xD9,0x82,0x02,
+   0,0xE4,0xFF,0x20,   0,   0,   0,   0,
+   0,0xE4,0xFF,0x20,   0,   0,   0,   0,
+   0,0xE4,0xFF,0x20,   0,   0,   0,   0,
+   0,0xE4,0xFF,0x20,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'Q'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x07,0x90,0xE9,0xF6,0xC1,0x2E,   0,
+   0,0x96,0xFF,0x6D,0x1F,0xE4,0xEA,0x11,
+0x0F,0xF9,0xEE,0x01,   0,0x83,0xFF,0x70,
+0x42,0xFF,0xCB,   0,   0,0x5D,0xFF,0xAA,
+0x5A,0xFF,0xBE,   0,   0,0x4F,0xFF,0xC3,
+0x5A,0xFF,0xBE,   0,   0,0x4F,0xFF,0xC4,
+0x43,0xFF,0xCB,   0,   0,0x5D,0xFF,0xB1,
+0x0F,0xFA,0xEE,0x01,   0,0x83,0xFF,0x7D,
+   0,0x96,0xFF,0x6B,0x1F,0xE2,0xFA,0x22,
+   0,0x07,0x91,0xEB,0xFF,0xFF,0x70,   0,
+   0,   0,   0,   0,0x2C,0xF5,0xDF,0x1E,
+   0,   0,   0,   0,   0,0x5E,0x95,0x03,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'R'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x18,0xFF,0xFF,0xFF,0xF5,0xCC,0x55,   0,
+0x18,0xFF,0xEC,   0,0x27,0xE7,0xFA,0x2A,
+0x18,0xFF,0xEC,   0,   0,0xA0,0xFF,0x6A,
+0x18,0xFF,0xEC,   0,   0,0xA1,0xFF,0x70,
+0x18,0xFF,0xEC,   0,0x26,0xE7,0xF6,0x23,
+0x18,0xFF,0xFF,0xFF,0xFF,0xEB,0x37,   0,
+0x18,0xFF,0xEC,0x05,0x99,0xFF,0xA2,   0,
+0x18,0xFF,0xEC,   0,0x0D,0xEE,0xFD,0x29,
+0x18,0xFF,0xEC,   0,   0,0x81,0xFF,0xA9,
+0x18,0xFF,0xEC,   0,   0,0x12,0xF3,0xFE,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'S'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x15,0x9E,0xE6,0xF0,0xBD,0x46,   0,
+   0,0xBA,0xFA,0x3D,0x07,0x38,0xB7,0x03,
+0x0C,0xFE,0xEA,0x02,   0,   0,   0,   0,
+0x0C,0xFE,0xFF,0xB1,0x2E,   0,   0,   0,
+   0,0x9B,0xFF,0xFF,0xFF,0xBB,0x31,   0,
+   0,0x01,0x5F,0xD4,0xFF,0xFF,0xF5,0x26,
+   0,   0,   0,   0,0x4F,0xEB,0xFF,0x82,
+   0,   0,   0,   0,   0,0x82,0xFF,0x83,
+0x13,0xB8,0x48,0x14,0x17,0xC4,0xFD,0x3B,
+   0,0x4C,0xBD,0xEE,0xF0,0xC9,0x53,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'T'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x64,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'U'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x48,0xFF,0xBC,   0,   0,0x50,0xFF,0xB4,
+0x48,0xFF,0xBC,   0,   0,0x50,0xFF,0xB4,
+0x48,0xFF,0xBC,   0,   0,0x50,0xFF,0xB4,
+0x48,0xFF,0xBC,   0,   0,0x50,0xFF,0xB4,
+0x48,0xFF,0xBC,   0,   0,0x50,0xFF,0xB4,
+0x48,0xFF,0xBC,   0,   0,0x50,0xFF,0xB4,
+0x47,0xFF,0xBC,   0,   0,0x50,0xFF,0xB2,
+0x2E,0xFF,0xC4,   0,   0,0x58,0xFF,0x99,
+0x06,0xDE,0xF9,0x3B,0x11,0xB9,0xFF,0x50,
+   0,0x2D,0xB6,0xEA,0xFB,0xDC,0x77,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'V'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x7E,0xFF,0x87,   0,   0,0x18,0xFF,0xEB,
+0x40,0xFF,0xBE,   0,   0,0x4F,0xFF,0xAE,
+0x08,0xF9,0xF2,0x02,   0,0x86,0xFF,0x6F,
+   0,0xC4,0xFF,0x2C,   0,0xBD,0xFF,0x31,
+   0,0x86,0xFF,0x63,0x02,0xF1,0xF0,0x02,
+   0,0x48,0xFF,0x9A,0x2B,0xFF,0xB4,   0,
+   0,0x0D,0xFC,0xD1,0x62,0xFF,0x76,   0,
+   0,   0,0xCC,0xFC,0xA5,0xFF,0x37,   0,
+   0,   0,0x8E,0xFF,0xF8,0xF4,0x04,   0,
+   0,   0,0x4F,0xFF,0xFF,0xBB,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'W'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0xF0,0xD0,   0,   0,   0,   0,0x62,0xFF,
+0xD0,0xE9,   0,   0,   0,   0,0x76,0xFF,
+0xAF,0xFE,0x04,   0,   0,   0,0x8A,0xFF,
+0x8F,0xFF,0x1B,0xB9,0xFF,0x28,0x9E,0xFD,
+0x6F,0xFF,0x34,0xEA,0xFF,0x63,0xB1,0xE4,
+0x4E,0xFF,0x6A,0xFF,0xC9,0x9E,0xC5,0xC6,
+0x2E,0xFF,0xB5,0xE5,0x71,0xD9,0xD9,0xA8,
+0x0D,0xFF,0xF7,0xAC,0x35,0xFF,0xF7,0x8A,
+   0,0xED,0xFF,0x74,0x04,0xF5,0xFF,0x6C,
+   0,0xCC,0xFF,0x3C,   0,0xBE,0xFF,0x4E,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'X'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x71,0xFF,0xA6,   0,   0,0x38,0xFE,0xD7,
+0x04,0xD5,0xFF,0x3C,0x01,0xCA,0xFF,0x46,
+   0,0x42,0xFF,0xCE,0x64,0xFF,0xAF,   0,
+   0,   0,0xAB,0xFF,0xFA,0xF7,0x21,   0,
+   0,   0,0x1E,0xF6,0xFF,0x84,   0,   0,
+   0,   0,0x2E,0xFC,0xFF,0x9A,   0,   0,
+   0,   0,0xC1,0xFF,0xF1,0xFD,0x33,   0,
+   0,0x58,0xFF,0xBC,0x4F,0xFF,0xC6,0x01,
+0x0A,0xE3,0xFB,0x2A,   0,0xB8,0xFF,0x5E,
+0x85,0xFF,0x8F,   0,   0,0x28,0xFA,0xE6,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'Y'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0xAE,0xFF,0x7A,   0,   0,0x15,0xF5,0xFA,
+0x2B,0xFD,0xEC,0x0C,   0,0x8A,0xFF,0x97,
+   0,0xA5,0xFF,0x78,0x14,0xF4,0xF7,0x1B,
+   0,0x24,0xFB,0xEB,0x92,0xFF,0x8D,   0,
+   0,   0,0x9B,0xFF,0xFF,0xF3,0x14,   0,
+   0,   0,0x1D,0xF8,0xFF,0x82,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,0xCC,0xFF,0x38,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'Z'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x10,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD8,
+   0,   0,   0,   0,0x0D,0xE3,0xFF,0xD3,
+   0,   0,   0,   0,0x94,0xFF,0xFF,0x5F,
+   0,   0,   0,0x39,0xFD,0xFF,0xB7,   0,
+   0,   0,0x05,0xD4,0xFF,0xF1,0x1D,   0,
+   0,   0,0x7D,0xFF,0xFF,0x67,   0,   0,
+   0,0x27,0xF8,0xFF,0xBE,0x01,   0,   0,
+0x01,0xC1,0xFF,0xF5,0x22,   0,   0,   0,
+0x34,0xFF,0xFF,0x6F,   0,   0,   0,   0,
+0x38,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '['
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xFF,0xFF,0x5C,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xB4,   0,   0,   0,
+   0,   0,0x1C,0xFF,0xFF,0xFF,0x5C,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '\'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x10,0xF3,0x80,   0,   0,   0,   0,   0,
+   0,0x91,0xEA,0x08,   0,   0,   0,   0,
+   0,0x21,0xFC,0x66,   0,   0,   0,   0,
+   0,   0,0xAC,0xD7,0x01,   0,   0,   0,
+   0,   0,0x3A,0xFF,0x4B,   0,   0,   0,
+   0,   0,   0,0xC7,0xBE,   0,   0,   0,
+   0,   0,   0,0x55,0xFF,0x31,   0,   0,
+   0,   0,   0,0x03,0xDF,0xA3,   0,   0,
+   0,   0,   0,   0,0x71,0xFA,0x1B,   0,
+   0,   0,   0,   0,0x0D,0xF0,0x88,   0,
+   0,   0,   0,   0,   0,0x8C,0xEF,0x0C,
+   0,   0,   0,   0,   0,0x1D,0xFB,0x6E,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// ']'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0xEC,0xFF,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,   0,0x48,0xFF,0x8C,   0,   0,
+   0,   0,0xEC,0xFF,0xFF,0x8C,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '^'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x17,0xE8,0xFF,0x6E,   0,   0,
+   0,0x02,0xBC,0xFF,0xF9,0xF9,0x34,   0,
+   0,0x7E,0xFF,0x8E,0x32,0xED,0xDD,0x0F,
+0x3F,0xFC,0x8C,   0,   0,0x30,0xEC,0xAB,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '_'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '`'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x3F,0xFA,0x9A,   0,   0,   0,   0,
+   0,   0,0x62,0xFE,0x40,   0,   0,   0,
+   0,   0,   0,0x8B,0xDB,0x09,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'a'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x1D,0xA0,0xE1,0xF9,0xDB,0x6F,   0,
+   0,0x7C,0x65,0x21,0x10,0xBA,0xFF,0x3F,
+   0,   0,   0,   0,   0,0x6F,0xFF,0x80,
+   0,0x4F,0xC6,0xEE,0xFF,0xFF,0xFF,0x92,
+0x23,0xFB,0xF8,0x44,0x07,0x74,0xFF,0x94,
+0x50,0xFF,0xD1,   0,   0,0x99,0xFF,0x94,
+0x26,0xFD,0xF3,0x25,0x35,0xF0,0xFF,0x94,
+   0,0x60,0xDC,0xF6,0xCE,0xAD,0xFF,0x94,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'b'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xF8,0xFF,0x04,   0,   0,   0,   0,
+   0,0xF8,0xFF,0x04,   0,   0,   0,   0,
+   0,0xF8,0xFF,0x04,   0,   0,   0,   0,
+   0,0xF8,0xFF,0x91,0xEA,0xED,0x80,   0,
+   0,0xF8,0xFF,0xA2,0x16,0xC5,0xFF,0x48,
+   0,0xF8,0xFF,0x30,   0,0x5C,0xFF,0xA2,
+   0,0xF8,0xFF,0x0D,   0,0x3A,0xFF,0xC2,
+   0,0xF8,0xFF,0x0D,   0,0x3A,0xFF,0xC1,
+   0,0xF8,0xFF,0x30,   0,0x5C,0xFF,0xA2,
+   0,0xF8,0xFF,0xA2,0x16,0xC5,0xFF,0x46,
+   0,0xF8,0xFF,0x92,0xEB,0xF0,0x82,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'c'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x3C,0xC2,0xF6,0xE0,0x87,0x06,
+   0,0x22,0xF7,0xE0,0x32,0x0D,0x72,0x3A,
+   0,0x98,0xFF,0x67,   0,   0,   0,   0,
+   0,0xC5,0xFF,0x39,   0,   0,   0,   0,
+   0,0xC5,0xFF,0x38,   0,   0,   0,   0,
+   0,0x98,0xFF,0x66,   0,   0,   0,   0,
+   0,0x22,0xF7,0xDF,0x30,0x13,0x70,0x39,
+   0,   0,0x3D,0xC3,0xF7,0xE2,0x82,0x05,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'd'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,0x98,0xFF,0x68,
+   0,   0,   0,   0,   0,0x98,0xFF,0x68,
+   0,   0,   0,   0,   0,0x98,0xFF,0x68,
+   0,0x34,0xD1,0xF6,0xC4,0xBE,0xFF,0x68,
+0x01,0xDA,0xFD,0x44,0x40,0xFC,0xFF,0x68,
+0x37,0xFF,0xCA,   0,   0,0xC4,0xFF,0x68,
+0x56,0xFF,0xA9,   0,   0,0xA2,0xFF,0x68,
+0x57,0xFF,0xA8,   0,   0,0xA2,0xFF,0x68,
+0x37,0xFF,0xCA,   0,   0,0xC4,0xFF,0x68,
+0x01,0xDB,0xFD,0x44,0x40,0xFC,0xFF,0x68,
+   0,0x36,0xD4,0xF6,0xC5,0xBD,0xFF,0x68,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'e'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x0B,0x94,0xE9,0xF4,0xCE,0x57,   0,
+   0,0xA5,0xFE,0x50,0x0F,0xA7,0xFF,0x4D,
+0x21,0xFE,0xC9,   0,   0,0x39,0xFF,0xB4,
+0x4C,0xFF,0xFE,0xFC,0xFD,0xFF,0xFF,0xD7,
+0x57,0xFF,0xB8,   0,   0,   0,   0,   0,
+0x2B,0xFF,0xE2,0x02,   0,   0,   0,   0,
+   0,0xB6,0xFF,0x83,0x10,0x1F,0x69,0x71,
+   0,0x0B,0x8F,0xE3,0xF9,0xDA,0x8A,0x12,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'f'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x4E,0xD8,0xF8,0xFF,0x68,
+   0,   0,   0,0xD8,0xFF,0x2E,   0,   0,
+   0,   0,   0,0xF2,0xFF,0x0C,   0,   0,
+   0,0xD0,0xFF,0xFF,0xFF,0xFF,0xFF,0x68,
+   0,   0,   0,0xF4,0xFF,0x0C,   0,   0,
+   0,   0,   0,0xF4,0xFF,0x0C,   0,   0,
+   0,   0,   0,0xF4,0xFF,0x0C,   0,   0,
+   0,   0,   0,0xF4,0xFF,0x0C,   0,   0,
+   0,   0,   0,0xF4,0xFF,0x0C,   0,   0,
+   0,   0,   0,0xF4,0xFF,0x0C,   0,   0,
+   0,   0,   0,0xF4,0xFF,0x0C,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'g'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x1F,0xC1,0xF7,0xD3,0xBF,0xFF,0x80,
+   0,0xBC,0xFF,0x54,0x38,0xF9,0xFF,0x80,
+0x1F,0xFF,0xD9,   0,   0,0xB4,0xFF,0x80,
+0x43,0xFF,0xB5,   0,   0,0x8E,0xFF,0x80,
+0x47,0xFF,0xB5,   0,   0,0x8F,0xFF,0x80,
+0x25,0xFF,0xD9,   0,   0,0xB4,0xFF,0x80,
+   0,0xC5,0xFF,0x54,0x37,0xF8,0xFF,0x80,
+   0,0x24,0xC5,0xF8,0xD6,0xBF,0xFF,0x7E,
+   0,   0,   0,   0,   0,0x97,0xFF,0x63,
+   0,0x6B,0x52,0x11,0x2B,0xE8,0xF8,0x22,
+   0,0x19,0xA3,0xE9,0xF8,0xCF,0x53,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'h'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xD4,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD4,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD4,0xFF,0x2C,   0,   0,   0,   0,
+   0,0xD4,0xFF,0xA4,0xE2,0xEF,0x89,   0,
+   0,0xD4,0xFF,0x93,0x15,0xE1,0xFF,0x2E,
+   0,0xD4,0xFF,0x39,   0,0xB1,0xFF,0x51,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'i'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x7C,0xFF,0xFF,0xFF,0x78,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+   0,   0,   0,0x88,0xFF,0x78,   0,   0,
+0x04,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'j'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x38,0xFF,0xFF,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x30,0xFF,0xD0,   0,   0,
+   0,   0,   0,0x39,0xFF,0xC1,   0,   0,
+   0,   0,0x04,0x8A,0xFF,0x91,   0,   0,
+0x04,0xFF,0xFF,0xF3,0xB6,0x18,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'k'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0xD0,0xFF,0x30,   0,   0,   0,   0,   0,
+0xD0,0xFF,0x30,   0,   0,   0,   0,   0,
+0xD0,0xFF,0x30,   0,   0,   0,   0,   0,
+0xD0,0xFF,0x30,0x0C,0xCD,0xFF,0x8B,   0,
+0xD0,0xFF,0x34,0xB7,0xFF,0x91,   0,   0,
+0xD0,0xFF,0xC5,0xFF,0x97,   0,   0,   0,
+0xD0,0xFF,0xFF,0xFF,0x70,   0,   0,   0,
+0xD0,0xFF,0xA4,0xEC,0xF2,0x1A,   0,   0,
+0xD0,0xFF,0x30,0x6D,0xFF,0xA9,   0,   0,
+0xD0,0xFF,0x30,0x05,0xD9,0xFF,0x45,   0,
+0xD0,0xFF,0x30,   0,0x4F,0xFF,0xDA,0x07,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'l'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x64,0xFF,0xFF,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x5C,0xFF,0xA8,   0,   0,   0,
+   0,   0,0x4E,0xFF,0xB1,   0,   0,   0,
+   0,   0,0x21,0xFD,0xE8,0x1B,   0,   0,
+   0,   0,   0,0x6C,0xE2,0xFE,0xFF,0x7C,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'm'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x70,0xFF,0xBA,0xF2,0xAC,0xDE,0xED,0x56,
+0x70,0xFF,0x57,0xB7,0xFF,0x32,0xDF,0xC4,
+0x70,0xFF,0x35,0x96,0xFF,0x09,0xC2,0xDD,
+0x70,0xFF,0x34,0x94,0xFF,0x08,0xC0,0xE3,
+0x70,0xFF,0x34,0x94,0xFF,0x08,0xC0,0xE4,
+0x70,0xFF,0x34,0x94,0xFF,0x08,0xC0,0xE4,
+0x70,0xFF,0x34,0x94,0xFF,0x08,0xC0,0xE4,
+0x70,0xFF,0x34,0x94,0xFF,0x08,0xC0,0xE4,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'n'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xD4,0xFF,0xA5,0xE2,0xEF,0x89,   0,
+   0,0xD4,0xFF,0x97,0x15,0xE2,0xFF,0x2D,
+   0,0xD4,0xFF,0x3A,   0,0xB1,0xFF,0x51,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,0xD4,0xFF,0x2C,   0,0xAC,0xFF,0x54,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'o'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x09,0x93,0xE9,0xF8,0xC4,0x36,   0,
+   0,0x9C,0xFF,0x5E,0x1D,0xDA,0xF1,0x17,
+0x18,0xFD,0xDB,   0,   0,0x70,0xFF,0x84,
+0x42,0xFF,0xB6,   0,   0,0x4A,0xFF,0xB1,
+0x42,0xFF,0xB5,   0,   0,0x4B,0xFF,0xB0,
+0x19,0xFD,0xDB,   0,   0,0x6F,0xFF,0x84,
+   0,0x9C,0xFF,0x5C,0x1C,0xD8,0xF1,0x17,
+   0,0x09,0x93,0xEB,0xF8,0xC5,0x37,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'p'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xF8,0xFF,0x90,0xE7,0xEF,0x81,   0,
+   0,0xF8,0xFF,0xA2,0x16,0xC5,0xFF,0x46,
+   0,0xF8,0xFF,0x30,   0,0x5C,0xFF,0xA2,
+   0,0xF8,0xFF,0x0D,   0,0x3A,0xFF,0xC2,
+   0,0xF8,0xFF,0x0D,   0,0x3A,0xFF,0xC1,
+   0,0xF8,0xFF,0x30,   0,0x5C,0xFF,0xA2,
+   0,0xF8,0xFF,0xA2,0x16,0xC5,0xFF,0x48,
+   0,0xF8,0xFF,0x91,0xEB,0xEE,0x81,   0,
+   0,0xF8,0xFF,0x04,   0,   0,   0,   0,
+   0,0xF8,0xFF,0x04,   0,   0,   0,   0,
+   0,0xF8,0xFF,0x04,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'q'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x35,0xD3,0xF5,0xC1,0xBD,0xFF,0x68,
+0x01,0xDB,0xFD,0x44,0x40,0xFC,0xFF,0x68,
+0x37,0xFF,0xCA,   0,   0,0xC4,0xFF,0x68,
+0x56,0xFF,0xA9,   0,   0,0xA2,0xFF,0x68,
+0x57,0xFF,0xA8,   0,   0,0xA2,0xFF,0x68,
+0x37,0xFF,0xCA,   0,   0,0xC4,0xFF,0x68,
+0x01,0xDA,0xFD,0x44,0x40,0xFC,0xFF,0x68,
+   0,0x34,0xD2,0xF7,0xC4,0xBE,0xFF,0x68,
+   0,   0,   0,   0,   0,0x98,0xFF,0x68,
+   0,   0,   0,   0,   0,0x98,0xFF,0x68,
+   0,   0,   0,   0,   0,0x98,0xFF,0x68,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'r'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x04,0xFF,0xFF,0x97,0xE1,0xFD,0xE0,
+   0,0x04,0xFF,0xFF,0xC5,0x1E,0x18,0x81,
+   0,0x04,0xFF,0xFF,0x2A,   0,   0,   0,
+   0,0x04,0xFF,0xFF,0x04,   0,   0,   0,
+   0,0x04,0xFF,0xFF,   0,   0,   0,   0,
+   0,0x04,0xFF,0xFF,   0,   0,   0,   0,
+   0,0x04,0xFF,0xFF,   0,   0,   0,   0,
+   0,0x04,0xFF,0xFF,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 's'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0x11,0xA1,0xE9,0xEF,0xB4,0x2E,   0,
+   0,0x9C,0xFF,0x4B,0x0B,0x41,0x95,   0,
+   0,0xC8,0xFF,0x79,0x08,   0,   0,   0,
+   0,0x84,0xFF,0xFF,0xF3,0xAE,0x32,   0,
+   0,0x01,0x61,0xBA,0xF9,0xFF,0xF2,0x13,
+   0,   0,   0,   0,0x14,0xCD,0xFF,0x40,
+   0,0x90,0x59,0x16,0x12,0xC6,0xFB,0x1D,
+   0,0x20,0x9B,0xE1,0xF6,0xD2,0x56,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 't'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,0x48,0xFF,0xB8,   0,   0,   0,
+   0,   0,0x48,0xFF,0xB8,   0,   0,   0,
+0x3C,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x54,
+   0,   0,0x48,0xFF,0xB8,   0,   0,   0,
+   0,   0,0x48,0xFF,0xB8,   0,   0,   0,
+   0,   0,0x48,0xFF,0xB8,   0,   0,   0,
+   0,   0,0x48,0xFF,0xB8,   0,   0,   0,
+   0,   0,0x45,0xFF,0xB8,   0,   0,   0,
+   0,   0,0x27,0xFF,0xDF,0x11,   0,   0,
+   0,   0,   0,0x89,0xE9,0xFE,0xFF,0x54,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'u'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xE8,0xFF,0x18,   0,0xC0,0xFF,0x40,
+   0,0xE8,0xFF,0x18,   0,0xC0,0xFF,0x40,
+   0,0xE8,0xFF,0x18,   0,0xC0,0xFF,0x40,
+   0,0xE8,0xFF,0x18,   0,0xC0,0xFF,0x40,
+   0,0xE8,0xFF,0x18,   0,0xC0,0xFF,0x40,
+   0,0xE5,0xFF,0x1C,   0,0xCE,0xFF,0x40,
+   0,0xC3,0xFF,0x5D,0x30,0xFB,0xFF,0x40,
+   0,0x3B,0xD9,0xF4,0xC1,0xD7,0xFF,0x40,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'v'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x4E,0xFF,0xB5,   0,   0,0x46,0xFF,0xB8,
+0x09,0xF6,0xF3,0x05,   0,0x89,0xFF,0x6B,
+   0,0xB2,0xFF,0x3B,   0,0xCC,0xFF,0x1E,
+   0,0x64,0xFF,0x7E,0x11,0xFD,0xD0,   0,
+   0,0x17,0xFE,0xC1,0x53,0xFF,0x82,   0,
+   0,   0,0xC8,0xF9,0xA1,0xFF,0x35,   0,
+   0,   0,0x7A,0xFF,0xFB,0xE6,0x01,   0,
+   0,   0,0x2B,0xFF,0xFF,0x9A,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'w'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0xEA,0xBE,   0,   0,   0,   0,0x50,0xFF,
+0xBE,0xE5,   0,   0,   0,   0,0x76,0xFF,
+0x91,0xFF,0x0B,0xB2,0xFF,0x20,0x9D,0xF9,
+0x65,0xFF,0x31,0xE6,0xFD,0x53,0xC4,0xD1,
+0x38,0xFF,0x70,0xFE,0xB0,0x86,0xEA,0xA5,
+0x0C,0xFE,0xCB,0xD5,0x68,0xCA,0xFF,0x79,
+   0,0xDF,0xFF,0x9C,0x30,0xFF,0xFF,0x4D,
+   0,0xB2,0xFF,0x64,0x03,0xF4,0xFF,0x21,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'x'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x1D,0xF0,0xFF,0x35,   0,0xC7,0xFF,0x7D,
+   0,0x60,0xFF,0xBD,0x50,0xFF,0xCC,0x04,
+   0,   0,0xB2,0xFF,0xEB,0xF8,0x2B,   0,
+   0,   0,0x18,0xF1,0xFF,0x7D,   0,   0,
+   0,   0,0x42,0xFE,0xFF,0xB2,   0,   0,
+   0,0x0D,0xE0,0xF9,0xC2,0xFF,0x5E,   0,
+   0,0x9C,0xFF,0x8D,0x24,0xFA,0xEF,0x1A,
+0x49,0xFF,0xEE,0x11,   0,0x8F,0xFF,0xB5,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'y'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x69,0xFF,0xAE,   0,   0,0x3A,0xFF,0xDF,
+0x11,0xF8,0xF7,0x0D,   0,0x8C,0xFF,0x89,
+   0,0xAB,0xFF,0x5B,   0,0xDE,0xFF,0x32,
+   0,0x4C,0xFF,0xB2,0x31,0xFF,0xDB,   0,
+   0,0x04,0xE9,0xF8,0x93,0xFF,0x84,   0,
+   0,   0,0x8E,0xFF,0xFD,0xFF,0x2D,   0,
+   0,   0,0x30,0xFF,0xFF,0xD6,   0,   0,
+   0,   0,   0,0xD2,0xFF,0x7F,   0,   0,
+   0,   0,0x01,0xE4,0xFF,0x29,   0,   0,
+   0,0x01,0x5D,0xFF,0xC5,   0,   0,   0,
+0x20,0xFF,0xFC,0xC9,0x23,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// 'z'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xBC,0xFF,0xFF,0xFF,0xFF,0xFF,0x64,
+   0,   0,   0,   0,0x42,0xFC,0xFF,0x5F,
+   0,   0,   0,0x1B,0xE9,0xFF,0xCD,0x08,
+   0,   0,0x05,0xC5,0xFF,0xEE,0x21,   0,
+   0,   0,0x90,0xFF,0xFE,0x4C,   0,   0,
+   0,0x56,0xFF,0xFF,0x84,   0,   0,   0,
+   0,0xDF,0xFF,0xBC,0x02,   0,   0,   0,
+   0,0xE4,0xFF,0xFF,0xFF,0xFF,0xFF,0x64,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '{'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x26,0xCB,0xF7,0xFF,0x34,
+   0,   0,   0,0x93,0xFF,0x6B,0x02,   0,
+   0,   0,   0,0xAE,0xFF,0x30,   0,   0,
+   0,   0,   0,0xB0,0xFF,0x2C,   0,   0,
+   0,   0,   0,0xBD,0xFF,0x26,   0,   0,
+   0,0x02,0x32,0xF4,0xF2,0x09,   0,   0,
+   0,0xCC,0xFF,0xF6,0x58,   0,   0,   0,
+   0,0x02,0x36,0xF6,0xEF,0x08,   0,   0,
+   0,   0,   0,0xBE,0xFF,0x26,   0,   0,
+   0,   0,   0,0xB0,0xFF,0x2C,   0,   0,
+   0,   0,   0,0xAE,0xFF,0x30,   0,   0,
+   0,   0,   0,0x93,0xFF,0x6A,0x02,   0,
+   0,   0,   0,0x26,0xCC,0xF8,0xFF,0x34,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '|'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,0x90,0xFC,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '}'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,0xC4,0xFC,0xE5,0x6E,   0,   0,   0,
+   0,   0,0x17,0xE9,0xF8,0x02,   0,   0,
+   0,   0,   0,0xC1,0xFF,0x16,   0,   0,
+   0,   0,   0,0xBC,0xFF,0x18,   0,   0,
+   0,   0,   0,0xB7,0xFF,0x24,   0,   0,
+   0,   0,   0,0x8E,0xFF,0x89,0x0A,   0,
+   0,   0,   0,0x11,0xD1,0xFF,0xFF,0x38,
+   0,   0,   0,0x8B,0xFF,0x8C,0x0B,   0,
+   0,   0,   0,0xB6,0xFF,0x25,   0,   0,
+   0,   0,   0,0xBC,0xFF,0x18,   0,   0,
+   0,   0,   0,0xC1,0xFF,0x16,   0,   0,
+   0,   0,0x17,0xE9,0xF8,0x02,   0,   0,
+   0,0xC4,0xFD,0xE6,0x6F,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+// '~'
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+0x16,0xAC,0xF1,0xD8,0x72,0x14,0x28,0x8A,
+0x64,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xD4,
+0x51,0x53,0x0D,0x31,0x9D,0xF1,0xD7,0x4C,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+   0,   0,   0,   0,   0,   0,   0,   0,
+
+    // clang-format on
+};
+}  // anonymous namespace
+
+const uint8_t *OverlayState::getFontData() const
+{
+    return kFontData;
+}
+#else
+const uint8_t *OverlayState::getFontData() const
+{
+    return nullptr;
+}
+#endif
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Overlay_font_autogen.h b/gfx/angle/checkout/src/libANGLE/Overlay_font_autogen.h
new file mode 100644
index 0000000000..333c0ee3c6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Overlay_font_autogen.h
@@ -0,0 +1,27 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_overlay_fonts.py using overlay/DejaVuSansMono-Bold.ttf.
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Overlay_font_autogen.h:
+//   Autogenerated overlay font data.
+
+#include "libANGLE/Overlay.h"
+
+namespace gl
+{
+namespace overlay
+{
+constexpr uint32_t kFontMipCount                     = 2;
+constexpr uint32_t kFontCharacters                   = 95;
+constexpr uint32_t kFontGlyphWidth                   = 17;
+constexpr uint32_t kFontGlyphHeight                  = 34;
+constexpr uint32_t kFontMipDataSize[kFontMipCount]   = {54910, 12920};
+constexpr uint32_t kFontMipDataOffset[kFontMipCount] = {0, 54910};
+constexpr uint32_t kFontTotalDataSize                = 67830;
+constexpr uint32_t kFontMipLarge                     = 0;
+constexpr uint32_t kFontMipSmall                     = 1;
+}  // namespace overlay
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/PixelLocalStorage.cpp b/gfx/angle/checkout/src/libANGLE/PixelLocalStorage.cpp
new file mode 100644
index 0000000000..e5e560af5f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/PixelLocalStorage.cpp
@@ -0,0 +1,826 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// PixelLocalStorage.cpp: Defines the renderer-agnostic container classes
+// gl::PixelLocalStorage and gl::PixelLocalStoragePlane for
+// ANGLE_shader_pixel_local_storage.
+
+#include "libANGLE/PixelLocalStorage.h"
+
+#include <numeric>
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/renderer/ContextImpl.h"
+
+namespace gl
+{
+// RAII utilities for working with GL state.
+namespace
+{
+class ScopedBindTexture2D
+{
+  public:
+    ScopedBindTexture2D(Context *context, TextureID texture)
+        : mContext(context),
+          mSavedTexBinding2D(
+              mContext->getState().getSamplerTextureId(mContext->getState().getActiveSampler(),
+                                                       TextureType::_2D))
+    {
+        mContext->bindTexture(TextureType::_2D, texture);
+    }
+
+    ~ScopedBindTexture2D() { mContext->bindTexture(TextureType::_2D, mSavedTexBinding2D); }
+
+  private:
+    Context *const mContext;
+    TextureID mSavedTexBinding2D;
+};
+
+class ScopedRestoreDrawFramebuffer
+{
+  public:
+    ScopedRestoreDrawFramebuffer(Context *context)
+        : mContext(context), mSavedFramebuffer(mContext->getState().getDrawFramebuffer())
+    {
+        ASSERT(mSavedFramebuffer);
+    }
+
+    ~ScopedRestoreDrawFramebuffer() { mContext->bindDrawFramebuffer(mSavedFramebuffer->id()); }
+
+  private:
+    Context *const mContext;
+    Framebuffer *const mSavedFramebuffer;
+};
+
+class ScopedDisableScissor
+{
+  public:
+    ScopedDisableScissor(Context *context)
+        : mContext(context), mScissorTestEnabled(mContext->getState().isScissorTestEnabled())
+    {
+        if (mScissorTestEnabled)
+        {
+            mContext->disable(GL_SCISSOR_TEST);
+        }
+    }
+
+    ~ScopedDisableScissor()
+    {
+        if (mScissorTestEnabled)
+        {
+            mContext->enable(GL_SCISSOR_TEST);
+        }
+    }
+
+  private:
+    Context *const mContext;
+    const GLint mScissorTestEnabled;
+};
+}  // namespace
+
+PixelLocalStoragePlane::~PixelLocalStoragePlane()
+{
+    // Call deinitialize or onContextObjectsLost first!
+    ASSERT(mMemorylessTextureID.value == 0);
+    // Call deinitialize or onFramebufferDestroyed first!
+    ASSERT(mTextureRef == nullptr);
+}
+
+void PixelLocalStoragePlane::onContextObjectsLost()
+{
+    // We normally call deleteTexture on the memoryless plane texture ID, since we own it, but in
+    // this case we can let it go.
+    mMemorylessTextureID = TextureID();
+}
+
+void PixelLocalStoragePlane::onFramebufferDestroyed(const Context *context)
+{
+    if (mTextureRef != nullptr)
+    {
+        mTextureRef->release(context);
+        mTextureRef = nullptr;
+    }
+}
+
+void PixelLocalStoragePlane::deinitialize(Context *context)
+{
+    mInternalformat = GL_NONE;
+    mMemoryless     = false;
+    if (mMemorylessTextureID.value != 0)
+    {
+        // The app could have technically deleted mMemorylessTextureID by guessing its value and
+        // calling glDeleteTextures, but it seems unnecessary to worry about that here. (Worst case
+        // we delete one of their textures.) This also isn't a problem in WebGL.
+        context->deleteTexture(mMemorylessTextureID);
+        mMemorylessTextureID = TextureID();
+    }
+    if (mTextureRef != nullptr)
+    {
+        mTextureRef->release(context);
+        mTextureRef = nullptr;
+    }
+}
+
+void PixelLocalStoragePlane::setMemoryless(Context *context, GLenum internalformat)
+{
+    deinitialize(context);
+    mInternalformat    = internalformat;
+    mMemoryless        = true;
+    mTextureImageIndex = ImageIndex::MakeFromType(TextureType::_2D, 0, 0);
+    // The backing texture will get allocated lazily, once we know what dimensions it should be.
+    ASSERT(mMemorylessTextureID.value == 0);
+    ASSERT(mTextureRef == nullptr);
+}
+
+void PixelLocalStoragePlane::setTextureBacked(Context *context, Texture *tex, int level, int layer)
+{
+    deinitialize(context);
+    ASSERT(tex->getImmutableFormat());
+    mInternalformat    = tex->getState().getBaseLevelDesc().format.info->internalFormat;
+    mMemoryless        = false;
+    mTextureImageIndex = ImageIndex::MakeFromType(tex->getType(), level, layer);
+    mTextureRef        = tex;
+    mTextureRef->addRef();
+}
+
+bool PixelLocalStoragePlane::isTextureIDDeleted(const Context *context) const
+{
+    // We can tell if the texture has been deleted by looking up mTextureRef's ID on the Context. If
+    // they don't match, it's been deleted.
+    ASSERT(!isDeinitialized() || mTextureRef == nullptr);
+    return mTextureRef != nullptr && context->getTexture(mTextureRef->id()) != mTextureRef;
+}
+
+GLint PixelLocalStoragePlane::getIntegeri(const Context *context, GLenum target, GLuint index) const
+{
+    if (!isDeinitialized())
+    {
+        bool memoryless = isMemoryless() || isTextureIDDeleted(context);
+        switch (target)
+        {
+            case GL_PIXEL_LOCAL_FORMAT_ANGLE:
+                return mInternalformat;
+            case GL_PIXEL_LOCAL_TEXTURE_NAME_ANGLE:
+                return memoryless ? 0 : mTextureRef->id().value;
+            case GL_PIXEL_LOCAL_TEXTURE_LEVEL_ANGLE:
+                return memoryless ? 0 : mTextureImageIndex.getLevelIndex();
+            case GL_PIXEL_LOCAL_TEXTURE_LAYER_ANGLE:
+                return memoryless ? 0 : mTextureImageIndex.getLayerIndex();
+        }
+    }
+    // Since GL_NONE == 0, PLS queries all return 0 when the plane is deinitialized.
+    static_assert(GL_NONE == 0, "Expecting GL_NONE to be zero.");
+    return 0;
+}
+
+bool PixelLocalStoragePlane::getTextureImageExtents(const Context *context, Extents *extents) const
+{
+    if (isDeinitialized() || isMemoryless() || isTextureIDDeleted(context))
+    {
+        return false;
+    }
+    ASSERT(mTextureRef != nullptr);
+    *extents =
+        mTextureRef->getExtents(mTextureImageIndex.getTarget(), mTextureImageIndex.getLevelIndex());
+    extents->depth = 0;
+    return true;
+}
+
+void PixelLocalStoragePlane::ensureBackingIfMemoryless(Context *context, Extents plsExtents)
+{
+    ASSERT(!isDeinitialized());
+    ASSERT(!isTextureIDDeleted(context));  // Convert to memoryless first in this case.
+    if (!isMemoryless())
+    {
+        ASSERT(mTextureRef != nullptr);
+        return;
+    }
+
+    // Internal textures backing memoryless planes are always 2D and not mipmapped.
+    ASSERT(mTextureImageIndex.getType() == TextureType::_2D);
+    ASSERT(mTextureImageIndex.getLevelIndex() == 0);
+    ASSERT(mTextureImageIndex.getLayerIndex() == 0);
+    const bool hasMemorylessTextureId = mMemorylessTextureID.value != 0;
+    const bool hasTextureRef          = mTextureRef != nullptr;
+    ASSERT(hasMemorylessTextureId == hasTextureRef);
+
+    // Do we need to allocate a new backing texture?
+    if (mTextureRef == nullptr ||
+        static_cast<GLsizei>(mTextureRef->getWidth(TextureTarget::_2D, 0)) != plsExtents.width ||
+        static_cast<GLsizei>(mTextureRef->getHeight(TextureTarget::_2D, 0)) != plsExtents.height)
+    {
+        // Call setMemoryless() to release our current data.
+        setMemoryless(context, mInternalformat);
+        ASSERT(mTextureRef == nullptr);
+        ASSERT(mMemorylessTextureID.value == 0);
+
+        // Create a new texture that backs the memoryless plane.
+        context->genTextures(1, &mMemorylessTextureID);
+        {
+            ScopedBindTexture2D scopedBindTexture2D(context, mMemorylessTextureID);
+            context->bindTexture(TextureType::_2D, mMemorylessTextureID);
+            context->texStorage2D(TextureType::_2D, 1, mInternalformat, plsExtents.width,
+                                  plsExtents.height);
+        }
+
+        mTextureRef = context->getTexture(mMemorylessTextureID);
+        ASSERT(mTextureRef != nullptr);
+        ASSERT(mTextureRef->id() == mMemorylessTextureID);
+        mTextureRef->addRef();
+    }
+}
+
+void PixelLocalStoragePlane::attachToDrawFramebuffer(Context *context,
+                                                     Extents plsExtents,
+                                                     GLenum colorAttachment)
+{
+    ASSERT(!isDeinitialized());
+    ensureBackingIfMemoryless(context, plsExtents);
+    ASSERT(mTextureRef != nullptr);
+    if (mTextureImageIndex.usesTex3D())  // GL_TEXTURE_3D or GL_TEXTURE_2D_ARRAY.
+    {
+        context->framebufferTextureLayer(GL_DRAW_FRAMEBUFFER, colorAttachment, mTextureRef->id(),
+                                         mTextureImageIndex.getLevelIndex(),
+                                         mTextureImageIndex.getLayerIndex());
+    }
+    else
+    {
+        context->framebufferTexture2D(GL_DRAW_FRAMEBUFFER, colorAttachment,
+                                      mTextureImageIndex.getTarget(), mTextureRef->id(),
+                                      mTextureImageIndex.getLevelIndex());
+    }
+}
+
+void PixelLocalStoragePlane::performLoadOperationClear(Context *context,
+                                                       GLint drawBuffer,
+                                                       GLenum loadop,
+                                                       const void *data)
+{
+    // The GL scissor test must be disabled, since the intention is to clear the entire surface.
+    ASSERT(!context->getState().isScissorTestEnabled());
+    switch (mInternalformat)
+    {
+        case GL_RGBA8:
+        case GL_R32F:
+        {
+            GLfloat clearValue[4]{};
+            if (loadop == GL_CLEAR_ANGLE)
+            {
+                memcpy(clearValue, data, sizeof(clearValue));
+            }
+            context->clearBufferfv(GL_COLOR, drawBuffer, clearValue);
+            break;
+        }
+        case GL_RGBA8I:
+        {
+            GLint clearValue[4]{};
+            if (loadop == GL_CLEAR_ANGLE)
+            {
+                memcpy(clearValue, data, sizeof(clearValue));
+            }
+            context->clearBufferiv(GL_COLOR, drawBuffer, clearValue);
+            break;
+        }
+        case GL_RGBA8UI:
+        case GL_R32UI:
+        {
+            GLuint clearValue[4]{};
+            if (loadop == GL_CLEAR_ANGLE)
+            {
+                memcpy(clearValue, data, sizeof(clearValue));
+            }
+            context->clearBufferuiv(GL_COLOR, drawBuffer, clearValue);
+            break;
+        }
+        default:
+            // Invalid PLS internalformats should not have made it this far.
+            UNREACHABLE();
+    }
+}
+
+void PixelLocalStoragePlane::bindToImage(Context *context,
+                                         Extents plsExtents,
+                                         GLuint unit,
+                                         bool needsR32Packing)
+{
+    ASSERT(!isDeinitialized());
+    ensureBackingIfMemoryless(context, plsExtents);
+    ASSERT(mTextureRef != nullptr);
+    GLenum imageBindingFormat = mInternalformat;
+    if (needsR32Packing)
+    {
+        // D3D and ES require us to pack all PLS formats into r32f, r32i, or r32ui images.
+        switch (imageBindingFormat)
+        {
+            case GL_RGBA8:
+            case GL_RGBA8UI:
+                imageBindingFormat = GL_R32UI;
+                break;
+            case GL_RGBA8I:
+                imageBindingFormat = GL_R32I;
+                break;
+        }
+    }
+    if (mTextureRef->getType() != TextureType::_2D)
+    {
+        // TODO(anglebug.com/7279): Texture types other than GL_TEXTURE_2D will take a lot of
+        // consideration to support on all backends. Hold of on fully implementing them until the
+        // other backends are in place.
+        UNIMPLEMENTED();
+    }
+    context->bindImageTexture(unit, mTextureRef->id(), mTextureImageIndex.getLevelIndex(), GL_FALSE,
+                              mTextureImageIndex.getLayerIndex(), GL_READ_WRITE,
+                              imageBindingFormat);
+}
+
+PixelLocalStorage::PixelLocalStorage() {}
+PixelLocalStorage::~PixelLocalStorage() {}
+
+void PixelLocalStorage::onFramebufferDestroyed(const Context *context)
+{
+    if (context->getRefCount() == 0)
+    {
+        // If the Context's refcount is zero, we know it's in a teardown state and we can just let
+        // go of our GL objects -- they get cleaned up as part of context teardown. Otherwise, the
+        // Context should have called deleteContextObjects before reaching this point.
+        onContextObjectsLost();
+        for (PixelLocalStoragePlane &plane : mPlanes)
+        {
+            plane.onContextObjectsLost();
+        }
+    }
+    for (PixelLocalStoragePlane &plane : mPlanes)
+    {
+        plane.onFramebufferDestroyed(context);
+    }
+}
+
+void PixelLocalStorage::deleteContextObjects(Context *context)
+{
+    onDeleteContextObjects(context);
+    for (PixelLocalStoragePlane &plane : mPlanes)
+    {
+        plane.deinitialize(context);
+    }
+}
+
+void PixelLocalStorage::begin(Context *context,
+                              GLsizei n,
+                              const GLenum loadops[],
+                              const void *cleardata)
+{
+    // Convert planes whose backing texture has been deleted to memoryless, and find the pixel local
+    // storage rendering dimensions.
+    Extents plsExtents;
+    bool hasPLSExtents = false;
+    for (int i = 0; i < n; ++i)
+    {
+        if (loadops[i] == GL_DISABLE_ANGLE)
+        {
+            continue;
+        }
+        PixelLocalStoragePlane &plane = mPlanes[i];
+        if (plane.isTextureIDDeleted(context))
+        {
+            // [ANGLE_shader_pixel_local_storage] Section 4.4.2.X "Configuring Pixel Local Storage
+            // on a Framebuffer": When a texture object is deleted, any pixel local storage plane to
+            // which it was bound is automatically converted to a memoryless plane of matching
+            // internalformat.
+            plane.setMemoryless(context, plane.getInternalformat());
+        }
+        if (!hasPLSExtents && plane.getTextureImageExtents(context, &plsExtents))
+        {
+            hasPLSExtents = true;
+        }
+    }
+    if (!hasPLSExtents)
+    {
+        // All PLS planes are memoryless. Use the rendering area of the framebuffer instead.
+        plsExtents =
+            context->getState().getDrawFramebuffer()->getState().getAttachmentExtentsIntersection();
+        ASSERT(plsExtents.depth == 0);
+    }
+
+    onBegin(context, n, loadops, reinterpret_cast<const char *>(cleardata), plsExtents);
+    mNumActivePLSPlanes = n;
+}
+
+void PixelLocalStorage::end(Context *context)
+{
+    onEnd(context, mNumActivePLSPlanes);
+    mNumActivePLSPlanes = 0;
+}
+
+void PixelLocalStorage::barrier(Context *context)
+{
+    ASSERT(!context->getExtensions().shaderPixelLocalStorageCoherentANGLE);
+    onBarrier(context);
+}
+
+namespace
+{
+// Implements pixel local storage with image load/store shader operations.
+class PixelLocalStorageImageLoadStore : public PixelLocalStorage
+{
+  public:
+    PixelLocalStorageImageLoadStore(bool needsR32Packing) : mNeedsR32Packing(needsR32Packing) {}
+
+    // Call deleteContextObjects or onContextObjectsLost first!
+    ~PixelLocalStorageImageLoadStore() override
+    {
+        ASSERT(mScratchFramebufferForClearing.value == 0);
+    }
+
+    void onContextObjectsLost() override
+    {
+        mScratchFramebufferForClearing = FramebufferID();  // Let go of GL objects.
+    }
+
+    void onDeleteContextObjects(Context *context) override
+    {
+        if (mScratchFramebufferForClearing.value != 0)
+        {
+            context->deleteFramebuffer(mScratchFramebufferForClearing);
+            mScratchFramebufferForClearing = FramebufferID();
+        }
+    }
+
+    void onBegin(Context *context,
+                 GLsizei n,
+                 const GLenum loadops[],
+                 const char *cleardata,
+                 Extents plsExtents) override
+    {
+        // Save the image bindings so we can restore them during onEnd().
+        const State &state = context->getState();
+        ASSERT(static_cast<size_t>(n) <= state.getImageUnits().size());
+        mSavedImageBindings.clear();
+        mSavedImageBindings.reserve(n);
+        for (int i = 0; i < n; ++i)
+        {
+            mSavedImageBindings.emplace_back(state.getImageUnit(i));
+        }
+
+        // Save the default framebuffer width/height so we can restore it during onEnd().
+        Framebuffer *framebuffer       = state.getDrawFramebuffer();
+        mSavedFramebufferDefaultWidth  = framebuffer->getDefaultWidth();
+        mSavedFramebufferDefaultHeight = framebuffer->getDefaultHeight();
+
+        // Specify the framebuffer width/height explicitly in case we end up rendering exclusively
+        // to shader images.
+        context->framebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_WIDTH,
+                                       plsExtents.width);
+        context->framebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_HEIGHT,
+                                       plsExtents.height);
+
+        // Guard GL state and bind a scratch framebuffer in case we need to reallocate or clear any
+        // PLS planes.
+        const size_t maxDrawBuffers = context->getCaps().maxDrawBuffers;
+        ScopedRestoreDrawFramebuffer ScopedRestoreDrawFramebuffer(context);
+        if (mScratchFramebufferForClearing.value == 0)
+        {
+            context->genFramebuffers(1, &mScratchFramebufferForClearing);
+            context->bindFramebuffer(GL_DRAW_FRAMEBUFFER, mScratchFramebufferForClearing);
+            // Turn on all draw buffers on the scratch framebuffer for clearing.
+            DrawBuffersVector<GLenum> drawBuffers(maxDrawBuffers);
+            std::iota(drawBuffers.begin(), drawBuffers.end(), GL_COLOR_ATTACHMENT0);
+            context->drawBuffers(static_cast<int>(drawBuffers.size()), drawBuffers.data());
+        }
+        else
+        {
+            context->bindFramebuffer(GL_DRAW_FRAMEBUFFER, mScratchFramebufferForClearing);
+        }
+        ScopedDisableScissor scopedDisableScissor(context);
+
+        // Bind and clear the PLS planes.
+        size_t maxClearedAttachments = 0;
+        for (int i = 0; i < n;)
+        {
+            angle::FixedVector<int, IMPLEMENTATION_MAX_DRAW_BUFFERS> pendingClears;
+            for (; pendingClears.size() < maxDrawBuffers && i < n; ++i)
+            {
+                GLenum loadop = loadops[i];
+                if (loadop == GL_DISABLE_ANGLE)
+                {
+                    continue;
+                }
+                PixelLocalStoragePlane &plane = getPlane(i);
+                ASSERT(!plane.isDeinitialized());
+                plane.bindToImage(context, plsExtents, i, mNeedsR32Packing);
+                if (loadop == GL_ZERO || loadop == GL_CLEAR_ANGLE)
+                {
+                    plane.attachToDrawFramebuffer(
+                        context, plsExtents,
+                        GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(pendingClears.size()));
+                    pendingClears.push_back(i);  // Defer the clear for later.
+                }
+            }
+            // Clear in batches to be more efficient with GL state.
+            for (size_t drawBufferIdx = 0; drawBufferIdx < pendingClears.size(); ++drawBufferIdx)
+            {
+                int plsIdx = pendingClears[drawBufferIdx];
+                getPlane(plsIdx).performLoadOperationClear(
+                    context, static_cast<GLint>(drawBufferIdx), loadops[plsIdx],
+                    cleardata + plsIdx * 4 * 4);
+            }
+            maxClearedAttachments = std::max(maxClearedAttachments, pendingClears.size());
+        }
+
+        // Detach the cleared PLS textures from the scratch framebuffer.
+        for (size_t i = 0; i < maxClearedAttachments; ++i)
+        {
+            context->framebufferTexture2D(GL_DRAW_FRAMEBUFFER,
+                                          GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(i),
+                                          TextureTarget::_2D, TextureID(), 0);
+        }
+
+        // Unlike other barriers, GL_SHADER_IMAGE_ACCESS_BARRIER_BIT also synchronizes all types of
+        // memory accesses that happened before the barrier:
+        //
+        //   SHADER_IMAGE_ACCESS_BARRIER_BIT: Memory accesses using shader built-in image load and
+        //   store functions issued after the barrier will reflect data written by shaders prior to
+        //   the barrier. Additionally, image stores issued after the barrier will not execute until
+        //   all memory accesses (e.g., loads, stores, texture fetches, vertex fetches) initiated
+        //   prior to the barrier complete.
+        //
+        // So we don't any barriers other than GL_SHADER_IMAGE_ACCESS_BARRIER_BIT during begin().
+        context->memoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
+    }
+
+    void onEnd(Context *context, GLsizei numActivePLSPlanes) override
+    {
+        // Restore the image bindings. Since glBindImageTexture and any commands that modify
+        // textures are banned while PLS is active, these will all still be alive and valid.
+        ASSERT(mSavedImageBindings.size() == static_cast<size_t>(numActivePLSPlanes));
+        for (GLuint unit = 0; unit < mSavedImageBindings.size(); ++unit)
+        {
+            ImageUnit &binding = mSavedImageBindings[unit];
+            context->bindImageTexture(unit, binding.texture.id(), binding.level, binding.layered,
+                                      binding.layer, binding.access, binding.format);
+
+            // BindingPointers have to be explicitly cleaned up.
+            binding.texture.set(context, nullptr);
+        }
+        mSavedImageBindings.clear();
+
+        // Restore the default framebuffer width/height.
+        context->framebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_WIDTH,
+                                       mSavedFramebufferDefaultWidth);
+        context->framebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_HEIGHT,
+                                       mSavedFramebufferDefaultHeight);
+
+        // We need ALL_BARRIER_BITS during end() because GL_SHADER_IMAGE_ACCESS_BARRIER_BIT doesn't
+        // synchronize all types of memory accesses that can happen after the barrier.
+        context->memoryBarrier(GL_ALL_BARRIER_BITS);
+    }
+
+    void onBarrier(Context *context) override
+    {
+        context->memoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
+    }
+
+  private:
+    // D3D and ES require us to pack all PLS formats into r32f, r32i, or r32ui images.
+    const bool mNeedsR32Packing;
+    FramebufferID mScratchFramebufferForClearing{};
+
+    // Saved values to restore during onEnd().
+    GLint mSavedFramebufferDefaultWidth;
+    GLint mSavedFramebufferDefaultHeight;
+    std::vector<ImageUnit> mSavedImageBindings;
+};
+
+// Implements pixel local storage via framebuffer fetch.
+class PixelLocalStorageFramebufferFetch : public PixelLocalStorage
+{
+  public:
+    void onContextObjectsLost() override {}
+
+    void onDeleteContextObjects(Context *) override {}
+
+    void onBegin(Context *context,
+                 GLsizei n,
+                 const GLenum loadops[],
+                 const char *cleardata,
+                 Extents plsExtents) override
+    {
+        const State &state                              = context->getState();
+        const Caps &caps                                = context->getCaps();
+        Framebuffer *framebuffer                        = context->getState().getDrawFramebuffer();
+        const DrawBuffersVector<GLenum> &appDrawBuffers = framebuffer->getDrawBufferStates();
+
+        // Remember the current draw buffer state so we can restore it during onEnd().
+        mSavedDrawBuffers.resize(appDrawBuffers.size());
+        std::copy(appDrawBuffers.begin(), appDrawBuffers.end(), mSavedDrawBuffers.begin());
+
+        // Set up new draw buffers for PLS.
+        int firstPLSDrawBuffer = caps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes - n;
+        int numAppDrawBuffers =
+            std::min(static_cast<int>(appDrawBuffers.size()), firstPLSDrawBuffer);
+        DrawBuffersArray<GLenum> plsDrawBuffers;
+        std::copy(appDrawBuffers.begin(), appDrawBuffers.begin() + numAppDrawBuffers,
+                  plsDrawBuffers.begin());
+        std::fill(plsDrawBuffers.begin() + numAppDrawBuffers,
+                  plsDrawBuffers.begin() + firstPLSDrawBuffer, GL_NONE);
+
+        mBlendsToReEnable.reset();
+        mColorMasksToRestore.reset();
+        mInvalidateList.clear();
+        bool needsClear = false;
+
+        bool hasIndexedBlendAndColorMask = context->getExtensions().drawBuffersIndexedAny();
+        if (!hasIndexedBlendAndColorMask)
+        {
+            // We don't have indexed blend and color mask control. Disable them globally. (This also
+            // means the app can't have its own draw buffers while PLS is active.)
+            ASSERT(caps.maxColorAttachmentsWithActivePixelLocalStorage == 0);
+            if (state.isBlendEnabled())
+            {
+                context->disable(GL_BLEND);
+                mBlendsToReEnable.set(0);
+            }
+            std::array<bool, 4> &mask = mSavedColorMasks[0];
+            state.getBlendStateExt().getColorMaskIndexed(0, &mask[0], &mask[1], &mask[2], &mask[3]);
+            if (!(mask[0] && mask[1] && mask[2] && mask[3]))
+            {
+                context->colorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+                mColorMasksToRestore.set(0);
+            }
+        }
+
+        for (GLsizei i = 0; i < n; ++i)
+        {
+            GLuint drawBufferIdx = getDrawBufferIdx(caps, i);
+            GLenum loadop        = loadops[i];
+            if (loadop == GL_DISABLE_ANGLE)
+            {
+                plsDrawBuffers[drawBufferIdx] = GL_NONE;
+                continue;
+            }
+
+            PixelLocalStoragePlane &plane = getPlane(i);
+            ASSERT(!plane.isDeinitialized());
+
+            // Attach our PLS texture to the framebuffer. Validation should have already ensured
+            // nothing else was attached at this point.
+            GLenum colorAttachment = GL_COLOR_ATTACHMENT0 + drawBufferIdx;
+            ASSERT(!framebuffer->getAttachment(context, colorAttachment));
+            plane.attachToDrawFramebuffer(context, plsExtents, colorAttachment);
+            plsDrawBuffers[drawBufferIdx] = colorAttachment;
+
+            if (hasIndexedBlendAndColorMask)
+            {
+                // Ensure blend and color mask are disabled for this draw buffer.
+                if (state.isBlendEnabledIndexed(drawBufferIdx))
+                {
+                    context->disablei(GL_BLEND, drawBufferIdx);
+                    mBlendsToReEnable.set(drawBufferIdx);
+                }
+                std::array<bool, 4> &mask = mSavedColorMasks[drawBufferIdx];
+                state.getBlendStateExt().getColorMaskIndexed(drawBufferIdx, &mask[0], &mask[1],
+                                                             &mask[2], &mask[3]);
+                if (!(mask[0] && mask[1] && mask[2] && mask[3]))
+                {
+                    context->colorMaski(drawBufferIdx, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+                    mColorMasksToRestore.set(drawBufferIdx);
+                }
+            }
+
+            if (plane.isMemoryless())
+            {
+                // Memoryless planes don't need to be preserved after glEndPixelLocalStorageANGLE().
+                mInvalidateList.push_back(colorAttachment);
+            }
+
+            needsClear = needsClear || (loadop != GL_KEEP);
+        }
+
+        // Turn on the PLS draw buffers.
+        context->drawBuffers(caps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes,
+                             plsDrawBuffers.data());
+
+        // Clear the non-KEEP PLS planes now that their draw buffers are turned on.
+        if (needsClear)
+        {
+            ScopedDisableScissor scopedDisableScissor(context);
+            for (GLsizei i = 0; i < n; ++i)
+            {
+                GLenum loadop = loadops[i];
+                if (loadop != GL_DISABLE_ANGLE && loadop != GL_KEEP)
+                {
+                    GLuint drawBufferIdx = getDrawBufferIdx(caps, i);
+                    getPlane(i).performLoadOperationClear(context, drawBufferIdx, loadop,
+                                                          cleardata + i * 4 * 4);
+                }
+            }
+        }
+
+        if (!context->getExtensions().shaderPixelLocalStorageCoherentANGLE)
+        {
+            // Insert a barrier if we aren't coherent, since the textures may have been rendered to
+            // previously.
+            barrier(context);
+        }
+    }
+
+    void onEnd(Context *context, GLint numActivePLSPlanes) override
+    {
+
+        const Caps &caps = context->getCaps();
+
+        // Invalidate the memoryless PLS attachments.
+        if (!mInvalidateList.empty())
+        {
+            context->invalidateFramebuffer(GL_DRAW_FRAMEBUFFER,
+                                           static_cast<GLsizei>(mInvalidateList.size()),
+                                           mInvalidateList.data());
+            mInvalidateList.clear();
+        }
+
+        bool hasIndexedBlendAndColorMask = context->getExtensions().drawBuffersIndexedAny();
+        if (!hasIndexedBlendAndColorMask)
+        {
+            // Restore global blend and color mask. Validation should have ensured these didn't
+            // change while pixel local storage was active.
+            if (mBlendsToReEnable[0])
+            {
+                context->enable(GL_BLEND);
+            }
+            if (mColorMasksToRestore[0])
+            {
+                const std::array<bool, 4> &mask = mSavedColorMasks[0];
+                context->colorMask(mask[0], mask[1], mask[2], mask[3]);
+            }
+        }
+
+        for (GLsizei i = 0; i < numActivePLSPlanes; ++i)
+        {
+            // Reset color attachments where PLS was attached. Validation should have already
+            // ensured nothing was attached at these points when we activated pixel local storage,
+            // and that nothing got attached during.
+            GLuint drawBufferIdx   = getDrawBufferIdx(caps, i);
+            GLenum colorAttachment = GL_COLOR_ATTACHMENT0 + drawBufferIdx;
+            context->framebufferTexture2D(GL_DRAW_FRAMEBUFFER, colorAttachment, TextureTarget::_2D,
+                                          TextureID(), 0);
+
+            if (hasIndexedBlendAndColorMask)
+            {
+                // Restore this draw buffer's blend and color mask. Validation should have ensured
+                // these did not change while pixel local storage was active.
+                if (mBlendsToReEnable[drawBufferIdx])
+                {
+                    context->enablei(GL_BLEND, drawBufferIdx);
+                }
+                if (mColorMasksToRestore[drawBufferIdx])
+                {
+                    const std::array<bool, 4> &mask = mSavedColorMasks[drawBufferIdx];
+                    context->colorMaski(drawBufferIdx, mask[0], mask[1], mask[2], mask[3]);
+                }
+            }
+        }
+
+        // Restore the draw buffer state from before PLS was enabled.
+        context->drawBuffers(static_cast<GLsizei>(mSavedDrawBuffers.size()),
+                             mSavedDrawBuffers.data());
+        mSavedDrawBuffers.clear();
+    }
+
+    void onBarrier(Context *context) override { context->framebufferFetchBarrier(); }
+
+  private:
+    GLuint getDrawBufferIdx(const Caps &caps, GLuint plsPlaneIdx)
+    {
+        // Bind the PLS attachments in reverse order from the rear. This way, the shader translator
+        // doesn't need to know how many planes are going to be active in order to figure out plane
+        // indices.
+        return caps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes - plsPlaneIdx - 1;
+    }
+
+    DrawBuffersVector<GLenum> mSavedDrawBuffers;
+    DrawBufferMask mBlendsToReEnable;
+    DrawBufferMask mColorMasksToRestore;
+    DrawBuffersArray<std::array<bool, 4>> mSavedColorMasks;
+    DrawBuffersVector<GLenum> mInvalidateList;
+};
+}  // namespace
+
+std::unique_ptr<PixelLocalStorage> PixelLocalStorage::Make(const Context *context)
+{
+    switch (context->getImplementation()->getNativePixelLocalStorageType())
+    {
+        case ShPixelLocalStorageType::ImageStoreR32PackedFormats:
+            return std::make_unique<PixelLocalStorageImageLoadStore>(true);
+        case ShPixelLocalStorageType::ImageStoreNativeFormats:
+            return std::make_unique<PixelLocalStorageImageLoadStore>(false);
+        case ShPixelLocalStorageType::FramebufferFetch:
+            return std::make_unique<PixelLocalStorageFramebufferFetch>();
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/PixelLocalStorage.h b/gfx/angle/checkout/src/libANGLE/PixelLocalStorage.h
new file mode 100644
index 0000000000..f60ab7443d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/PixelLocalStorage.h
@@ -0,0 +1,177 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// PixelLocalStorage.h: Defines the renderer-agnostic container classes
+// gl::PixelLocalStorage and gl::PixelLocalStoragePlane for
+// ANGLE_shader_pixel_local_storage.
+
+#ifndef LIBANGLE_PIXEL_LOCAL_STORAGE_H_
+#define LIBANGLE_PIXEL_LOCAL_STORAGE_H_
+
+#include "angle_gl.h"
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+
+class Context;
+class Texture;
+
+// Holds the configuration of an ANGLE_shader_pixel_local_storage plane.
+//
+// Unlike normal framebuffer attachments, pixel local storage planes don't take effect until the
+// application calls glBeginPixelLocalStorageANGLE, and the manner in which they take effect is
+// highly dependent on the backend implementation. A PixelLocalStoragePlane is just a plain data
+// description what to set up later once PLS is enabled.
+class PixelLocalStoragePlane : angle::NonCopyable
+{
+  public:
+    ~PixelLocalStoragePlane();
+
+    // Called when the context is lost or destroyed. Causes this class to clear its GL object
+    // handles.
+    void onContextObjectsLost();
+
+    // Called when the owning framebuffer is being destroyed. Causes this class to release its
+    // texture object reference.
+    void onFramebufferDestroyed(const Context *);
+
+    void deinitialize(Context *);
+    void setMemoryless(Context *, GLenum internalformat);
+    void setTextureBacked(Context *, Texture *, int level, int layer);
+
+    bool isDeinitialized() const { return mInternalformat == GL_NONE; }
+
+    // Returns true if the texture ID bound to this plane has been deleted.
+    //
+    // [ANGLE_shader_pixel_local_storage] Section 4.4.2.X "Configuring Pixel Local Storage
+    // on a Framebuffer": When a texture object is deleted, any pixel local storage plane to
+    // which it was bound is automatically converted to a memoryless plane of matching
+    // internalformat.
+    bool isTextureIDDeleted(const Context *) const;
+
+    bool isMemoryless() const
+    {
+        // isMemoryless() should be false if the plane is deinitialized.
+        ASSERT(!(isDeinitialized() && mMemoryless));
+        return mMemoryless;
+    }
+
+    GLenum getInternalformat() const { return mInternalformat; }
+
+    // Implements glGetIntegeri_v() for GL_PIXEL_LOCAL_FORMAT_ANGLE,
+    // GL_PIXEL_LOCAL_TEXTURE_NAME_ANGLE, GL_PIXEL_LOCAL_TEXTURE_LEVEL_ANGLE, and
+    // GL_PIXEL_LOCAL_TEXTURE_LAYER_ANGLE
+    GLint getIntegeri(const Context *, GLenum target, GLuint index) const;
+
+    // If this plane is texture backed, stores the bound texture image's {width, height, 0} to
+    // Extents and returns true. Otherwise returns false, meaning the plane is either deinitialized
+    // or memoryless.
+    bool getTextureImageExtents(const Context *, Extents *extents) const;
+
+    // Attaches this plane to the specified color attachment point on the current draw framebuffer.
+    void attachToDrawFramebuffer(Context *, Extents plsExtents, GLenum colorAttachment);
+
+    // Clears the draw buffer at 0-based index 'drawbuffer' on the current framebuffer. Reads the
+    // clear value from 'data' if 'loadop' is GL_CLEAR_ANGLE, otherwise clears to zero.
+    //
+    // 'data' is interpereted as either 4 GLfloats, 4 GLints, or 4 GLuints, depending on
+    // mInternalFormat.
+    //
+    // The context must internally disable the scissor test before calling this method, since the
+    // intention is to clear the entire surface.
+    void performLoadOperationClear(Context *, GLint drawbuffer, GLenum loadop, const void *data);
+
+    // Binds this PLS plane to a texture image unit for image load/store shader operations.
+    void bindToImage(Context *, Extents plsExtents, GLuint unit, bool needsR32Packing);
+
+  private:
+    // Ensures we have an internal backing texture for memoryless planes. In GL, we need a backing
+    // texture even if the plane is memoryless; glInvalidateFramebuffer() will ideally prevent the
+    // driver from writing out data where possible.
+    void ensureBackingIfMemoryless(Context *, Extents plsSize);
+
+    GLenum mInternalformat = GL_NONE;  // GL_NONE if this plane is in a deinitialized state.
+    bool mMemoryless       = false;
+    TextureID mMemorylessTextureID{};  // We own memoryless backing textures and must delete them.
+    ImageIndex mTextureImageIndex;
+    Texture *mTextureRef = nullptr;
+};
+
+// Manages a collection of PixelLocalStoragePlanes and applies them to ANGLE's GL state.
+//
+// The main magic of ANGLE_shader_pixel_local_storage happens inside shaders, so we just emulate the
+// client API on top of ANGLE's OpenGL ES API for simplicity.
+class PixelLocalStorage
+{
+  public:
+    static std::unique_ptr<PixelLocalStorage> Make(const Context *);
+
+    PixelLocalStorage();
+    virtual ~PixelLocalStorage();
+
+    // Called when the owning framebuffer is being destroyed.
+    void onFramebufferDestroyed(const Context *);
+
+    // Deletes any GL objects that have been allocated for pixel local storage. These can't be
+    // cleaned up in the destructor because they require a non-const Context object.
+    void deleteContextObjects(Context *);
+
+    const PixelLocalStoragePlane &getPlane(GLint plane) const
+    {
+        ASSERT(0 <= plane && plane < IMPLEMENTATION_MAX_PIXEL_LOCAL_STORAGE_PLANES);
+        return mPlanes[plane];
+    }
+
+    PixelLocalStoragePlane &getPlane(GLint plane)
+    {
+        ASSERT(0 <= plane && plane < IMPLEMENTATION_MAX_PIXEL_LOCAL_STORAGE_PLANES);
+        return mPlanes[plane];
+    }
+
+    // ANGLE_shader_pixel_local_storage API.
+    void deinitialize(Context *context, GLint plane) { mPlanes[plane].deinitialize(context); }
+    void setMemoryless(Context *context, GLint plane, GLenum internalformat)
+    {
+        mPlanes[plane].setMemoryless(context, internalformat);
+    }
+    void setTextureBacked(Context *context, GLint plane, Texture *tex, int level, int layer)
+    {
+        mPlanes[plane].setTextureBacked(context, tex, level, layer);
+    }
+    void begin(Context *, GLsizei n, const GLenum loadops[], const void *cleardata);
+    void end(Context *);
+    void barrier(Context *);
+
+  protected:
+    // Called when the context is lost or destroyed. Causes the subclass to clear its GL object
+    // handles.
+    virtual void onContextObjectsLost() = 0;
+
+    // Called when the framebuffer is being destroyed. Causes the subclass to delete its frontend GL
+    // object handles.
+    virtual void onDeleteContextObjects(Context *) = 0;
+
+    // ANGLE_shader_pixel_local_storage API.
+    virtual void onBegin(Context *,
+                         GLsizei n,
+                         const GLenum loadops[],
+                         const char *cleardata,
+                         Extents plsSize)                     = 0;
+    virtual void onEnd(Context *, GLsizei numActivePLSPlanes) = 0;
+    virtual void onBarrier(Context *)                         = 0;
+
+  private:
+    std::array<PixelLocalStoragePlane, IMPLEMENTATION_MAX_PIXEL_LOCAL_STORAGE_PLANES> mPlanes;
+
+    // "n" from the last call to begin(), or 0 if pixel local storage is not active.
+    GLsizei mNumActivePLSPlanes = 0;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_PIXEL_LOCAL_STORAGE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Platform.cpp b/gfx/angle/checkout/src/libANGLE/Platform.cpp
new file mode 100644
index 0000000000..d798fd4e86
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Platform.cpp
@@ -0,0 +1,76 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Platform.cpp: Implementation methods for angle::Platform.
+
+#include <platform/PlatformMethods.h>
+
+#include <cstring>
+
+#include "common/debug.h"
+
+namespace
+{
+// TODO(jmadill): Make methods owned by egl::Display.
+angle::PlatformMethods &PlatformMethods()
+{
+    static angle::PlatformMethods platformMethods;
+    return platformMethods;
+}
+}  // anonymous namespace
+
+angle::PlatformMethods *ANGLEPlatformCurrent()
+{
+    return &PlatformMethods();
+}
+
+bool ANGLE_APIENTRY ANGLEGetDisplayPlatform(angle::EGLDisplayType display,
+                                            const char *const methodNames[],
+                                            unsigned int methodNameCount,
+                                            void *context,
+                                            void *platformMethods)
+{
+    angle::PlatformMethods **platformMethodsOut =
+        reinterpret_cast<angle::PlatformMethods **>(platformMethods);
+
+    // We allow for a lower input count of impl platform methods if the subset is correct.
+    if (methodNameCount > angle::g_NumPlatformMethods)
+    {
+        ERR() << "Invalid platform method count: " << methodNameCount << ", expected "
+              << angle::g_NumPlatformMethods << ".";
+        return false;
+    }
+
+    for (unsigned int nameIndex = 0; nameIndex < methodNameCount; ++nameIndex)
+    {
+        const char *expectedName = angle::g_PlatformMethodNames[nameIndex];
+        const char *actualName   = methodNames[nameIndex];
+
+        // Skip deprecated methods.  The names of these methods start with |placeholder|.
+        constexpr char kPlaceholder[] = "placeholder";
+        if (strncmp(expectedName, kPlaceholder, sizeof(kPlaceholder) - 1) == 0)
+        {
+            continue;
+        }
+        if (strcmp(expectedName, actualName) != 0)
+        {
+            ERR() << "Invalid platform method name: " << actualName << ", expected " << expectedName
+                  << ".";
+            return false;
+        }
+    }
+
+    // TODO(jmadill): Store platform methods in display.
+    PlatformMethods().context = context;
+    *platformMethodsOut       = &PlatformMethods();
+    return true;
+}
+
+void ANGLE_APIENTRY ANGLEResetDisplayPlatform(angle::EGLDisplayType display)
+{
+    // TODO(jmadill): Store platform methods in display.
+    PlatformMethods() = angle::PlatformMethods();
+}
diff --git a/gfx/angle/checkout/src/libANGLE/Program.cpp b/gfx/angle/checkout/src/libANGLE/Program.cpp
new file mode 100644
index 0000000000..3191a43ff3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Program.cpp
@@ -0,0 +1,3810 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Program.cpp: Implements the gl::Program class. Implements GL program objects
+// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
+
+#include "libANGLE/Program.h"
+
+#include <algorithm>
+#include <utility>
+
+#include "common/angle_version_info.h"
+#include "common/bitset_utils.h"
+#include "common/debug.h"
+#include "common/platform.h"
+#include "common/string_utils.h"
+#include "common/utilities.h"
+#include "compiler/translator/blocklayout.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/MemoryProgramCache.h"
+#include "libANGLE/ProgramLinkedResources.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/VaryingPacking.h"
+#include "libANGLE/Version.h"
+#include "libANGLE/capture/FrameCapture.h"
+#include "libANGLE/features.h"
+#include "libANGLE/histogram_macros.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/ProgramImpl.h"
+#include "platform/FrontendFeatures_autogen.h"
+#include "platform/PlatformMethods.h"
+
+namespace gl
+{
+
+namespace
+{
+
+// This simplified cast function doesn't need to worry about advanced concepts like
+// depth range values, or casting to bool.
+template <typename DestT, typename SrcT>
+DestT UniformStateQueryCast(SrcT value);
+
+// From-Float-To-Integer Casts
+template <>
+GLint UniformStateQueryCast(GLfloat value)
+{
+    return clampCast<GLint>(roundf(value));
+}
+
+template <>
+GLuint UniformStateQueryCast(GLfloat value)
+{
+    return clampCast<GLuint>(roundf(value));
+}
+
+// From-Integer-to-Integer Casts
+template <>
+GLint UniformStateQueryCast(GLuint value)
+{
+    return clampCast<GLint>(value);
+}
+
+template <>
+GLuint UniformStateQueryCast(GLint value)
+{
+    return clampCast<GLuint>(value);
+}
+
+// From-Boolean-to-Anything Casts
+template <>
+GLfloat UniformStateQueryCast(GLboolean value)
+{
+    return (ConvertToBool(value) ? 1.0f : 0.0f);
+}
+
+template <>
+GLint UniformStateQueryCast(GLboolean value)
+{
+    return (ConvertToBool(value) ? 1 : 0);
+}
+
+template <>
+GLuint UniformStateQueryCast(GLboolean value)
+{
+    return (ConvertToBool(value) ? 1u : 0u);
+}
+
+// Default to static_cast
+template <typename DestT, typename SrcT>
+DestT UniformStateQueryCast(SrcT value)
+{
+    return static_cast<DestT>(value);
+}
+
+template <typename SrcT, typename DestT>
+void UniformStateQueryCastLoop(DestT *dataOut, const uint8_t *srcPointer, int components)
+{
+    for (int comp = 0; comp < components; ++comp)
+    {
+        // We only work with strides of 4 bytes for uniform components. (GLfloat/GLint)
+        // Don't use SrcT stride directly since GLboolean has a stride of 1 byte.
+        size_t offset               = comp * 4;
+        const SrcT *typedSrcPointer = reinterpret_cast<const SrcT *>(&srcPointer[offset]);
+        dataOut[comp]               = UniformStateQueryCast<DestT>(*typedSrcPointer);
+    }
+}
+
+template <typename VarT>
+GLuint GetResourceIndexFromName(const std::vector<VarT> &list, const std::string &name)
+{
+    std::string nameAsArrayName = name + "[0]";
+    for (size_t index = 0; index < list.size(); index++)
+    {
+        const VarT &resource = list[index];
+        if (resource.name == name || (resource.isArray() && resource.name == nameAsArrayName))
+        {
+            return static_cast<GLuint>(index);
+        }
+    }
+
+    return GL_INVALID_INDEX;
+}
+
+GLint GetVariableLocation(const std::vector<sh::ShaderVariable> &list,
+                          const std::vector<VariableLocation> &locationList,
+                          const std::string &name)
+{
+    size_t nameLengthWithoutArrayIndex;
+    unsigned int arrayIndex = ParseArrayIndex(name, &nameLengthWithoutArrayIndex);
+
+    for (size_t location = 0u; location < locationList.size(); ++location)
+    {
+        const VariableLocation &variableLocation = locationList[location];
+        if (!variableLocation.used())
+        {
+            continue;
+        }
+
+        const sh::ShaderVariable &variable = list[variableLocation.index];
+
+        // Array output variables may be bound out of order, so we need to ensure we only pick the
+        // first element if given the base name.
+        if ((variable.name == name) && (variableLocation.arrayIndex == 0))
+        {
+            return static_cast<GLint>(location);
+        }
+        if (variable.isArray() && variableLocation.arrayIndex == arrayIndex &&
+            angle::BeginsWith(variable.name, name, nameLengthWithoutArrayIndex))
+        {
+            return static_cast<GLint>(location);
+        }
+    }
+
+    return -1;
+}
+
+GLint GetVariableLocation(const std::vector<LinkedUniform> &list,
+                          const std::vector<VariableLocation> &locationList,
+                          const std::string &name)
+{
+    size_t nameLengthWithoutArrayIndex;
+    unsigned int arrayIndex = ParseArrayIndex(name, &nameLengthWithoutArrayIndex);
+
+    for (size_t location = 0u; location < locationList.size(); ++location)
+    {
+        const VariableLocation &variableLocation = locationList[location];
+        if (!variableLocation.used())
+        {
+            continue;
+        }
+
+        const LinkedUniform &variable = list[variableLocation.index];
+
+        // Array output variables may be bound out of order, so we need to ensure we only pick the
+        // first element if given the base name. Uniforms don't allow this behavior and some code
+        // seemingly depends on the opposite behavior, so only enable it for output variables.
+        if (angle::BeginsWith(variable.name, name) && (variableLocation.arrayIndex == 0))
+        {
+            if (name.length() == variable.name.length())
+            {
+                ASSERT(name == variable.name);
+                // GLES 3.1 November 2016 page 87.
+                // The string exactly matches the name of the active variable.
+                return static_cast<GLint>(location);
+            }
+            if (name.length() + 3u == variable.name.length() && variable.isArray())
+            {
+                ASSERT(name + "[0]" == variable.name);
+                // The string identifies the base name of an active array, where the string would
+                // exactly match the name of the variable if the suffix "[0]" were appended to the
+                // string.
+                return static_cast<GLint>(location);
+            }
+        }
+        if (variable.isArray() && variableLocation.arrayIndex == arrayIndex &&
+            nameLengthWithoutArrayIndex + 3u == variable.name.length() &&
+            angle::BeginsWith(variable.name, name, nameLengthWithoutArrayIndex))
+        {
+            ASSERT(name.substr(0u, nameLengthWithoutArrayIndex) + "[0]" == variable.name);
+            // The string identifies an active element of the array, where the string ends with the
+            // concatenation of the "[" character, an integer (with no "+" sign, extra leading
+            // zeroes, or whitespace) identifying an array element, and the "]" character, the
+            // integer is less than the number of active elements of the array variable, and where
+            // the string would exactly match the enumerated name of the array if the decimal
+            // integer were replaced with zero.
+            return static_cast<GLint>(location);
+        }
+    }
+
+    return -1;
+}
+
+void CopyStringToBuffer(GLchar *buffer,
+                        const std::string &string,
+                        GLsizei bufSize,
+                        GLsizei *lengthOut)
+{
+    ASSERT(bufSize > 0);
+    size_t length = std::min<size_t>(bufSize - 1, string.length());
+    memcpy(buffer, string.c_str(), length);
+    buffer[length] = '\0';
+
+    if (lengthOut)
+    {
+        *lengthOut = static_cast<GLsizei>(length);
+    }
+}
+
+GLuint GetInterfaceBlockIndex(const std::vector<InterfaceBlock> &list, const std::string &name)
+{
+    std::vector<unsigned int> subscripts;
+    std::string baseName = ParseResourceName(name, &subscripts);
+
+    unsigned int numBlocks = static_cast<unsigned int>(list.size());
+    for (unsigned int blockIndex = 0; blockIndex < numBlocks; blockIndex++)
+    {
+        const auto &block = list[blockIndex];
+        if (block.name == baseName)
+        {
+            const bool arrayElementZero =
+                (subscripts.empty() && (!block.isArray || block.arrayElement == 0));
+            const bool arrayElementMatches =
+                (subscripts.size() == 1 && subscripts[0] == block.arrayElement);
+            if (arrayElementMatches || arrayElementZero)
+            {
+                return blockIndex;
+            }
+        }
+    }
+
+    return GL_INVALID_INDEX;
+}
+
+void GetInterfaceBlockName(const UniformBlockIndex index,
+                           const std::vector<InterfaceBlock> &list,
+                           GLsizei bufSize,
+                           GLsizei *length,
+                           GLchar *name)
+{
+    ASSERT(index.value < list.size());
+
+    const auto &block = list[index.value];
+
+    if (bufSize > 0)
+    {
+        std::string blockName = block.name;
+
+        if (block.isArray)
+        {
+            blockName += ArrayString(block.arrayElement);
+        }
+        CopyStringToBuffer(name, blockName, bufSize, length);
+    }
+}
+
+void InitUniformBlockLinker(const Context *context,
+                            const ProgramState &state,
+                            UniformBlockLinker *blockLinker)
+{
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        Shader *shader = state.getAttachedShader(shaderType);
+        if (shader)
+        {
+            blockLinker->addShaderBlocks(shaderType, &shader->getUniformBlocks(context));
+        }
+    }
+}
+
+void InitShaderStorageBlockLinker(const Context *context,
+                                  const ProgramState &state,
+                                  ShaderStorageBlockLinker *blockLinker)
+{
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        Shader *shader = state.getAttachedShader(shaderType);
+        if (shader != nullptr)
+        {
+            blockLinker->addShaderBlocks(shaderType, &shader->getShaderStorageBlocks(context));
+        }
+    }
+}
+}  // anonymous namespace
+
+const char *GetLinkMismatchErrorString(LinkMismatchError linkError)
+{
+    switch (linkError)
+    {
+        case LinkMismatchError::TYPE_MISMATCH:
+            return "Type";
+        case LinkMismatchError::ARRAYNESS_MISMATCH:
+            return "Array-ness";
+        case LinkMismatchError::ARRAY_SIZE_MISMATCH:
+            return "Array size";
+        case LinkMismatchError::PRECISION_MISMATCH:
+            return "Precision";
+        case LinkMismatchError::STRUCT_NAME_MISMATCH:
+            return "Structure name";
+        case LinkMismatchError::FIELD_NUMBER_MISMATCH:
+            return "Field number";
+        case LinkMismatchError::FIELD_NAME_MISMATCH:
+            return "Field name";
+
+        case LinkMismatchError::INTERPOLATION_TYPE_MISMATCH:
+            return "Interpolation type";
+        case LinkMismatchError::INVARIANCE_MISMATCH:
+            return "Invariance";
+
+        case LinkMismatchError::BINDING_MISMATCH:
+            return "Binding layout qualifier";
+        case LinkMismatchError::LOCATION_MISMATCH:
+            return "Location layout qualifier";
+        case LinkMismatchError::OFFSET_MISMATCH:
+            return "Offset layout qualifier";
+        case LinkMismatchError::INSTANCE_NAME_MISMATCH:
+            return "Instance name qualifier";
+        case LinkMismatchError::FORMAT_MISMATCH:
+            return "Format qualifier";
+
+        case LinkMismatchError::LAYOUT_QUALIFIER_MISMATCH:
+            return "Layout qualifier";
+        case LinkMismatchError::MATRIX_PACKING_MISMATCH:
+            return "Matrix Packing";
+
+        case LinkMismatchError::FIELD_LOCATION_MISMATCH:
+            return "Field location";
+        case LinkMismatchError::FIELD_STRUCT_NAME_MISMATCH:
+            return "Field structure name";
+        default:
+            UNREACHABLE();
+            return "";
+    }
+}
+
+void UpdateInterfaceVariable(std::vector<sh::ShaderVariable> *block, const sh::ShaderVariable &var)
+{
+    if (!var.isStruct())
+    {
+        block->emplace_back(var);
+        block->back().resetEffectiveLocation();
+    }
+
+    for (const sh::ShaderVariable &field : var.fields)
+    {
+        ASSERT(!var.name.empty() || var.isShaderIOBlock);
+
+        // Shader I/O block naming is similar to UBOs and SSBOs:
+        //
+        //     in Block
+        //     {
+        //         type field;  // produces "field"
+        //     };
+        //
+        //     in Block2
+        //     {
+        //         type field;  // produces "Block2.field"
+        //     } block2;
+        //
+        const std::string &baseName = var.isShaderIOBlock ? var.structOrBlockName : var.name;
+        const std::string prefix    = var.name.empty() ? "" : baseName + ".";
+
+        if (!field.isStruct())
+        {
+            sh::ShaderVariable fieldCopy = field;
+            fieldCopy.updateEffectiveLocation(var);
+            fieldCopy.name = prefix + field.name;
+            block->emplace_back(fieldCopy);
+        }
+
+        for (const sh::ShaderVariable &nested : field.fields)
+        {
+            sh::ShaderVariable nestedCopy = nested;
+            nestedCopy.updateEffectiveLocation(field);
+            nestedCopy.name = prefix + field.name + "." + nested.name;
+            block->emplace_back(nestedCopy);
+        }
+    }
+}
+
+void WriteShaderVariableBuffer(BinaryOutputStream *stream, const ShaderVariableBuffer &var)
+{
+    stream->writeInt(var.binding);
+    stream->writeInt(var.dataSize);
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        stream->writeBool(var.isActive(shaderType));
+    }
+
+    stream->writeInt(var.memberIndexes.size());
+    for (unsigned int memberCounterIndex : var.memberIndexes)
+    {
+        stream->writeInt(memberCounterIndex);
+    }
+}
+
+void LoadShaderVariableBuffer(BinaryInputStream *stream, ShaderVariableBuffer *var)
+{
+    var->binding  = stream->readInt<int>();
+    var->dataSize = stream->readInt<unsigned int>();
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        var->setActive(shaderType, stream->readBool());
+    }
+
+    size_t numMembers = stream->readInt<size_t>();
+    for (size_t blockMemberIndex = 0; blockMemberIndex < numMembers; blockMemberIndex++)
+    {
+        var->memberIndexes.push_back(stream->readInt<unsigned int>());
+    }
+}
+
+void WriteBufferVariable(BinaryOutputStream *stream, const BufferVariable &var)
+{
+    WriteShaderVar(stream, var);
+
+    stream->writeInt(var.bufferIndex);
+    WriteBlockMemberInfo(stream, var.blockInfo);
+    stream->writeInt(var.topLevelArraySize);
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        stream->writeBool(var.isActive(shaderType));
+    }
+}
+
+void LoadBufferVariable(BinaryInputStream *stream, BufferVariable *var)
+{
+    LoadShaderVar(stream, var);
+
+    var->bufferIndex = stream->readInt<int>();
+    LoadBlockMemberInfo(stream, &var->blockInfo);
+    var->topLevelArraySize = stream->readInt<int>();
+
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        var->setActive(shaderType, stream->readBool());
+    }
+}
+
+void WriteInterfaceBlock(BinaryOutputStream *stream, const InterfaceBlock &block)
+{
+    stream->writeString(block.name);
+    stream->writeString(block.mappedName);
+    stream->writeBool(block.isArray);
+    stream->writeInt(block.arrayElement);
+
+    WriteShaderVariableBuffer(stream, block);
+}
+
+void LoadInterfaceBlock(BinaryInputStream *stream, InterfaceBlock *block)
+{
+    block->name         = stream->readString();
+    block->mappedName   = stream->readString();
+    block->isArray      = stream->readBool();
+    block->arrayElement = stream->readInt<unsigned int>();
+
+    LoadShaderVariableBuffer(stream, block);
+}
+
+void WriteShInterfaceBlock(BinaryOutputStream *stream, const sh::InterfaceBlock &block)
+{
+    stream->writeString(block.name);
+    stream->writeString(block.mappedName);
+    stream->writeString(block.instanceName);
+    stream->writeInt(block.arraySize);
+    stream->writeEnum(block.layout);
+    stream->writeBool(block.isRowMajorLayout);
+    stream->writeInt(block.binding);
+    stream->writeBool(block.staticUse);
+    stream->writeBool(block.active);
+    stream->writeEnum(block.blockType);
+
+    stream->writeInt<size_t>(block.fields.size());
+    for (const sh::ShaderVariable &shaderVariable : block.fields)
+    {
+        WriteShaderVar(stream, shaderVariable);
+    }
+}
+
+void LoadShInterfaceBlock(BinaryInputStream *stream, sh::InterfaceBlock *block)
+{
+    block->name             = stream->readString();
+    block->mappedName       = stream->readString();
+    block->instanceName     = stream->readString();
+    block->arraySize        = stream->readInt<unsigned int>();
+    block->layout           = stream->readEnum<sh::BlockLayoutType>();
+    block->isRowMajorLayout = stream->readBool();
+    block->binding          = stream->readInt<int>();
+    block->staticUse        = stream->readBool();
+    block->active           = stream->readBool();
+    block->blockType        = stream->readEnum<sh::BlockType>();
+
+    block->fields.resize(stream->readInt<size_t>());
+    for (sh::ShaderVariable &variable : block->fields)
+    {
+        LoadShaderVar(stream, &variable);
+    }
+}
+
+// Saves the linking context for later use in resolveLink().
+struct Program::LinkingState
+{
+    std::shared_ptr<ProgramExecutable> linkedExecutable;
+    ProgramLinkedResources resources;
+    egl::BlobCache::Key programHash;
+    std::unique_ptr<rx::LinkEvent> linkEvent;
+    bool linkingFromBinary;
+};
+
+const char *const g_fakepath = "C:\\fakepath";
+
+// InfoLog implementation.
+InfoLog::InfoLog() : mLazyStream(nullptr) {}
+
+InfoLog::~InfoLog() {}
+
+size_t InfoLog::getLength() const
+{
+    if (!mLazyStream)
+    {
+        return 0;
+    }
+
+    const std::string &logString = mLazyStream->str();
+    return logString.empty() ? 0 : logString.length() + 1;
+}
+
+void InfoLog::getLog(GLsizei bufSize, GLsizei *length, char *infoLog) const
+{
+    size_t index = 0;
+
+    if (bufSize > 0)
+    {
+        const std::string logString(str());
+
+        if (!logString.empty())
+        {
+            index = std::min(static_cast<size_t>(bufSize) - 1, logString.length());
+            memcpy(infoLog, logString.c_str(), index);
+        }
+
+        infoLog[index] = '\0';
+    }
+
+    if (length)
+    {
+        *length = static_cast<GLsizei>(index);
+    }
+}
+
+// append a sanitized message to the program info log.
+// The D3D compiler includes a fake file path in some of the warning or error
+// messages, so lets remove all occurrences of this fake file path from the log.
+void InfoLog::appendSanitized(const char *message)
+{
+    ensureInitialized();
+
+    std::string msg(message);
+
+    size_t found;
+    do
+    {
+        found = msg.find(g_fakepath);
+        if (found != std::string::npos)
+        {
+            msg.erase(found, strlen(g_fakepath));
+        }
+    } while (found != std::string::npos);
+
+    if (!msg.empty())
+    {
+        *mLazyStream << message << std::endl;
+    }
+}
+
+void InfoLog::reset()
+{
+    if (mLazyStream)
+    {
+        mLazyStream.reset(nullptr);
+    }
+}
+
+bool InfoLog::empty() const
+{
+    if (!mLazyStream)
+    {
+        return true;
+    }
+
+    return mLazyStream->rdbuf()->in_avail() == 0;
+}
+
+void LogLinkMismatch(InfoLog &infoLog,
+                     const std::string &variableName,
+                     const char *variableType,
+                     LinkMismatchError linkError,
+                     const std::string &mismatchedStructOrBlockFieldName,
+                     ShaderType shaderType1,
+                     ShaderType shaderType2)
+{
+    std::ostringstream stream;
+    stream << GetLinkMismatchErrorString(linkError) << "s of " << variableType << " '"
+           << variableName;
+
+    if (!mismatchedStructOrBlockFieldName.empty())
+    {
+        stream << "' member '" << variableName << "." << mismatchedStructOrBlockFieldName;
+    }
+
+    stream << "' differ between " << GetShaderTypeString(shaderType1) << " and "
+           << GetShaderTypeString(shaderType2) << " shaders.";
+
+    infoLog << stream.str();
+}
+
+bool IsActiveInterfaceBlock(const sh::InterfaceBlock &interfaceBlock)
+{
+    // Only 'packed' blocks are allowed to be considered inactive.
+    return interfaceBlock.active || interfaceBlock.layout != sh::BLOCKLAYOUT_PACKED;
+}
+
+void WriteBlockMemberInfo(BinaryOutputStream *stream, const sh::BlockMemberInfo &var)
+{
+    stream->writeInt(var.arrayStride);
+    stream->writeBool(var.isRowMajorMatrix);
+    stream->writeInt(var.matrixStride);
+    stream->writeInt(var.offset);
+    stream->writeInt(var.topLevelArrayStride);
+}
+
+void LoadBlockMemberInfo(BinaryInputStream *stream, sh::BlockMemberInfo *var)
+{
+    var->arrayStride         = stream->readInt<int>();
+    var->isRowMajorMatrix    = stream->readBool();
+    var->matrixStride        = stream->readInt<int>();
+    var->offset              = stream->readInt<int>();
+    var->topLevelArrayStride = stream->readInt<int>();
+}
+
+void WriteShaderVar(BinaryOutputStream *stream, const sh::ShaderVariable &var)
+{
+    stream->writeInt(var.type);
+    stream->writeInt(var.precision);
+    stream->writeString(var.name);
+    stream->writeString(var.mappedName);
+    stream->writeIntVector(var.arraySizes);
+    stream->writeBool(var.staticUse);
+    stream->writeBool(var.active);
+    stream->writeInt<size_t>(var.fields.size());
+    for (const sh::ShaderVariable &shaderVariable : var.fields)
+    {
+        WriteShaderVar(stream, shaderVariable);
+    }
+    stream->writeString(var.structOrBlockName);
+    stream->writeString(var.mappedStructOrBlockName);
+    stream->writeBool(var.isRowMajorLayout);
+    stream->writeInt(var.location);
+    stream->writeBool(var.hasImplicitLocation);
+    stream->writeInt(var.binding);
+    stream->writeInt(var.imageUnitFormat);
+    stream->writeInt(var.offset);
+    stream->writeBool(var.rasterOrdered);
+    stream->writeBool(var.readonly);
+    stream->writeBool(var.writeonly);
+    stream->writeBool(var.isFragmentInOut);
+    stream->writeInt(var.index);
+    stream->writeBool(var.yuv);
+    stream->writeEnum(var.interpolation);
+    stream->writeBool(var.isInvariant);
+    stream->writeBool(var.isShaderIOBlock);
+    stream->writeBool(var.isPatch);
+    stream->writeBool(var.texelFetchStaticUse);
+    stream->writeInt(var.getFlattenedOffsetInParentArrays());
+}
+
+void LoadShaderVar(gl::BinaryInputStream *stream, sh::ShaderVariable *var)
+{
+    var->type      = stream->readInt<GLenum>();
+    var->precision = stream->readInt<GLenum>();
+    stream->readString(&var->name);
+    stream->readString(&var->mappedName);
+    stream->readIntVector<unsigned int>(&var->arraySizes);
+    var->staticUse      = stream->readBool();
+    var->active         = stream->readBool();
+    size_t elementCount = stream->readInt<size_t>();
+    var->fields.resize(elementCount);
+    for (sh::ShaderVariable &variable : var->fields)
+    {
+        LoadShaderVar(stream, &variable);
+    }
+    stream->readString(&var->structOrBlockName);
+    stream->readString(&var->mappedStructOrBlockName);
+    var->isRowMajorLayout    = stream->readBool();
+    var->location            = stream->readInt<int>();
+    var->hasImplicitLocation = stream->readBool();
+    var->binding             = stream->readInt<int>();
+    var->imageUnitFormat     = stream->readInt<GLenum>();
+    var->offset              = stream->readInt<int>();
+    var->rasterOrdered       = stream->readBool();
+    var->readonly            = stream->readBool();
+    var->writeonly           = stream->readBool();
+    var->isFragmentInOut     = stream->readBool();
+    var->index               = stream->readInt<int>();
+    var->yuv                 = stream->readBool();
+    var->interpolation       = stream->readEnum<sh::InterpolationType>();
+    var->isInvariant         = stream->readBool();
+    var->isShaderIOBlock     = stream->readBool();
+    var->isPatch             = stream->readBool();
+    var->texelFetchStaticUse = stream->readBool();
+    var->setParentArrayIndex(stream->readInt<int>());
+}
+
+// VariableLocation implementation.
+VariableLocation::VariableLocation() : arrayIndex(0), index(kUnused), ignored(false) {}
+
+VariableLocation::VariableLocation(unsigned int arrayIndex, unsigned int index)
+    : arrayIndex(arrayIndex), index(index), ignored(false)
+{
+    ASSERT(arrayIndex != GL_INVALID_INDEX);
+}
+
+// SamplerBindings implementation.
+SamplerBinding::SamplerBinding(TextureType textureTypeIn,
+                               GLenum samplerTypeIn,
+                               SamplerFormat formatIn,
+                               size_t elementCount)
+    : textureType(textureTypeIn),
+      samplerType(samplerTypeIn),
+      format(formatIn),
+      boundTextureUnits(elementCount, 0)
+{}
+
+SamplerBinding::SamplerBinding(const SamplerBinding &other) = default;
+
+SamplerBinding::~SamplerBinding() = default;
+
+// ProgramBindings implementation.
+ProgramBindings::ProgramBindings() {}
+
+ProgramBindings::~ProgramBindings() {}
+
+void ProgramBindings::bindLocation(GLuint index, const std::string &name)
+{
+    mBindings[name] = index;
+}
+
+int ProgramBindings::getBindingByName(const std::string &name) const
+{
+    auto iter = mBindings.find(name);
+    return (iter != mBindings.end()) ? iter->second : -1;
+}
+
+int ProgramBindings::getBinding(const sh::ShaderVariable &variable) const
+{
+    return getBindingByName(variable.name);
+}
+
+ProgramBindings::const_iterator ProgramBindings::begin() const
+{
+    return mBindings.begin();
+}
+
+ProgramBindings::const_iterator ProgramBindings::end() const
+{
+    return mBindings.end();
+}
+
+std::map<std::string, GLuint> ProgramBindings::getStableIterationMap() const
+{
+    return std::map<std::string, GLuint>(mBindings.begin(), mBindings.end());
+}
+
+// ProgramAliasedBindings implementation.
+ProgramAliasedBindings::ProgramAliasedBindings() {}
+
+ProgramAliasedBindings::~ProgramAliasedBindings() {}
+
+void ProgramAliasedBindings::bindLocation(GLuint index, const std::string &name)
+{
+    mBindings[name] = ProgramBinding(index);
+
+    // EXT_blend_func_extended spec: "If it specifies the base name of an array,
+    // it identifies the resources associated with the first element of the array."
+    //
+    // Normalize array bindings so that "name" and "name[0]" map to the same entry.
+    // If this binding is of the form "name[0]", then mark the "name" binding as
+    // aliased but do not update it yet in case "name" is not actually an array.
+    size_t nameLengthWithoutArrayIndex;
+    unsigned int arrayIndex = ParseArrayIndex(name, &nameLengthWithoutArrayIndex);
+    if (arrayIndex == 0)
+    {
+        std::string baseName = name.substr(0u, nameLengthWithoutArrayIndex);
+        auto iter            = mBindings.find(baseName);
+        if (iter != mBindings.end())
+        {
+            iter->second.aliased = true;
+        }
+    }
+}
+
+int ProgramAliasedBindings::getBindingByName(const std::string &name) const
+{
+    auto iter = mBindings.find(name);
+    return (iter != mBindings.end()) ? iter->second.location : -1;
+}
+
+int ProgramAliasedBindings::getBindingByLocation(GLuint location) const
+{
+    for (const auto &iter : mBindings)
+    {
+        if (iter.second.location == location)
+        {
+            return iter.second.location;
+        }
+    }
+    return -1;
+}
+
+int ProgramAliasedBindings::getBinding(const sh::ShaderVariable &variable) const
+{
+    const std::string &name = variable.name;
+
+    // Check with the normalized array name if applicable.
+    if (variable.isArray())
+    {
+        size_t nameLengthWithoutArrayIndex;
+        unsigned int arrayIndex = ParseArrayIndex(name, &nameLengthWithoutArrayIndex);
+        if (arrayIndex == 0)
+        {
+            std::string baseName = name.substr(0u, nameLengthWithoutArrayIndex);
+            auto iter            = mBindings.find(baseName);
+            // If "name" exists and is not aliased, that means it was modified more
+            // recently than its "name[0]" form and should be used instead of that.
+            if (iter != mBindings.end() && !iter->second.aliased)
+            {
+                return iter->second.location;
+            }
+        }
+        else if (arrayIndex == GL_INVALID_INDEX)
+        {
+            auto iter = mBindings.find(variable.name);
+            // If "name" exists and is not aliased, that means it was modified more
+            // recently than its "name[0]" form and should be used instead of that.
+            if (iter != mBindings.end() && !iter->second.aliased)
+            {
+                return iter->second.location;
+            }
+            // The base name was aliased, so use the name with the array notation.
+            return getBindingByName(name + "[0]");
+        }
+    }
+
+    return getBindingByName(name);
+}
+
+ProgramAliasedBindings::const_iterator ProgramAliasedBindings::begin() const
+{
+    return mBindings.begin();
+}
+
+ProgramAliasedBindings::const_iterator ProgramAliasedBindings::end() const
+{
+    return mBindings.end();
+}
+
+std::map<std::string, ProgramBinding> ProgramAliasedBindings::getStableIterationMap() const
+{
+    return std::map<std::string, ProgramBinding>(mBindings.begin(), mBindings.end());
+}
+
+// ImageBinding implementation.
+ImageBinding::ImageBinding(size_t count, TextureType textureTypeIn)
+    : textureType(textureTypeIn), boundImageUnits(count, 0)
+{}
+ImageBinding::ImageBinding(GLuint imageUnit, size_t count, TextureType textureTypeIn)
+    : textureType(textureTypeIn)
+{
+    for (size_t index = 0; index < count; ++index)
+    {
+        boundImageUnits.push_back(imageUnit + static_cast<GLuint>(index));
+    }
+}
+
+ImageBinding::ImageBinding(const ImageBinding &other) = default;
+
+ImageBinding::~ImageBinding() = default;
+
+// ProgramState implementation.
+ProgramState::ProgramState()
+    : mLabel(),
+      mAttachedShaders{},
+      mLocationsUsedForXfbExtension(0),
+      mBinaryRetrieveableHint(false),
+      mSeparable(false),
+      mNumViews(-1),
+      mDrawIDLocation(-1),
+      mBaseVertexLocation(-1),
+      mBaseInstanceLocation(-1),
+      mCachedBaseVertex(0),
+      mCachedBaseInstance(0),
+      mExecutable(new ProgramExecutable())
+{
+    mComputeShaderLocalSize.fill(1);
+}
+
+ProgramState::~ProgramState()
+{
+    ASSERT(!hasAttachedShader());
+}
+
+const std::string &ProgramState::getLabel()
+{
+    return mLabel;
+}
+
+Shader *ProgramState::getAttachedShader(ShaderType shaderType) const
+{
+    ASSERT(shaderType != ShaderType::InvalidEnum);
+    return mAttachedShaders[shaderType];
+}
+
+GLuint ProgramState::getUniformIndexFromName(const std::string &name) const
+{
+    return GetResourceIndexFromName(mExecutable->mUniforms, name);
+}
+
+GLuint ProgramState::getBufferVariableIndexFromName(const std::string &name) const
+{
+    return GetResourceIndexFromName(mBufferVariables, name);
+}
+
+GLuint ProgramState::getUniformIndexFromLocation(UniformLocation location) const
+{
+    ASSERT(location.value >= 0 && static_cast<size_t>(location.value) < mUniformLocations.size());
+    return mUniformLocations[location.value].index;
+}
+
+Optional<GLuint> ProgramState::getSamplerIndex(UniformLocation location) const
+{
+    GLuint index = getUniformIndexFromLocation(location);
+    if (!isSamplerUniformIndex(index))
+    {
+        return Optional<GLuint>::Invalid();
+    }
+
+    return getSamplerIndexFromUniformIndex(index);
+}
+
+bool ProgramState::isSamplerUniformIndex(GLuint index) const
+{
+    return mExecutable->mSamplerUniformRange.contains(index);
+}
+
+GLuint ProgramState::getSamplerIndexFromUniformIndex(GLuint uniformIndex) const
+{
+    ASSERT(isSamplerUniformIndex(uniformIndex));
+    return uniformIndex - mExecutable->mSamplerUniformRange.low();
+}
+
+GLuint ProgramState::getUniformIndexFromSamplerIndex(GLuint samplerIndex) const
+{
+    return mExecutable->getUniformIndexFromSamplerIndex(samplerIndex);
+}
+
+bool ProgramState::isImageUniformIndex(GLuint index) const
+{
+    return mExecutable->mImageUniformRange.contains(index);
+}
+
+GLuint ProgramState::getImageIndexFromUniformIndex(GLuint uniformIndex) const
+{
+    ASSERT(isImageUniformIndex(uniformIndex));
+    return uniformIndex - mExecutable->mImageUniformRange.low();
+}
+
+GLuint ProgramState::getAttributeLocation(const std::string &name) const
+{
+    for (const sh::ShaderVariable &attribute : mExecutable->mProgramInputs)
+    {
+        if (attribute.name == name)
+        {
+            return attribute.location;
+        }
+    }
+
+    return static_cast<GLuint>(-1);
+}
+
+bool ProgramState::hasAttachedShader() const
+{
+    for (const Shader *shader : mAttachedShaders)
+    {
+        if (shader)
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+ShaderType ProgramState::getFirstAttachedShaderStageType() const
+{
+    const ShaderBitSet linkedStages = mExecutable->getLinkedShaderStages();
+    if (linkedStages.none())
+    {
+        return ShaderType::InvalidEnum;
+    }
+
+    return linkedStages.first();
+}
+
+ShaderType ProgramState::getLastAttachedShaderStageType() const
+{
+    const ShaderBitSet linkedStages = mExecutable->getLinkedShaderStages();
+    if (linkedStages.none())
+    {
+        return ShaderType::InvalidEnum;
+    }
+
+    return linkedStages.last();
+}
+
+ShaderType ProgramState::getAttachedTransformFeedbackStage() const
+{
+    if (mAttachedShaders[ShaderType::Geometry])
+    {
+        return ShaderType::Geometry;
+    }
+    if (mAttachedShaders[ShaderType::TessEvaluation])
+    {
+        return ShaderType::TessEvaluation;
+    }
+    return ShaderType::Vertex;
+}
+
+Program::Program(rx::GLImplFactory *factory, ShaderProgramManager *manager, ShaderProgramID handle)
+    : mSerial(factory->generateSerial()),
+      mProgram(factory->createProgram(mState)),
+      mValidated(false),
+      mLinked(false),
+      mDeleteStatus(false),
+      mRefCount(0),
+      mResourceManager(manager),
+      mHandle(handle)
+{
+    ASSERT(mProgram);
+
+    unlink();
+}
+
+Program::~Program()
+{
+    ASSERT(!mProgram);
+}
+
+void Program::onDestroy(const Context *context)
+{
+    resolveLink(context);
+    for (ShaderType shaderType : AllShaderTypes())
+    {
+        if (mState.mAttachedShaders[shaderType])
+        {
+            mState.mAttachedShaders[shaderType]->release(context);
+            mState.mAttachedShaders[shaderType] = nullptr;
+        }
+    }
+
+    mProgram->destroy(context);
+
+    ASSERT(!mState.hasAttachedShader());
+    SafeDelete(mProgram);
+
+    delete this;
+}
+ShaderProgramID Program::id() const
+{
+    ASSERT(!mLinkingState);
+    return mHandle;
+}
+
+angle::Result Program::setLabel(const Context *context, const std::string &label)
+{
+    ASSERT(!mLinkingState);
+    mState.mLabel = label;
+
+    if (mProgram)
+    {
+        return mProgram->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &Program::getLabel() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mLabel;
+}
+
+void Program::attachShader(Shader *shader)
+{
+    ShaderType shaderType = shader->getType();
+    ASSERT(shaderType != ShaderType::InvalidEnum);
+
+    mState.mAttachedShaders[shaderType] = shader;
+    mState.mAttachedShaders[shaderType]->addRef();
+}
+
+void Program::detachShader(const Context *context, Shader *shader)
+{
+    resolveLink(context);
+    ShaderType shaderType = shader->getType();
+    ASSERT(shaderType != ShaderType::InvalidEnum);
+
+    ASSERT(mState.mAttachedShaders[shaderType] == shader);
+    shader->release(context);
+    mState.mAttachedShaders[shaderType] = nullptr;
+}
+
+int Program::getAttachedShadersCount() const
+{
+    ASSERT(!mLinkingState);
+    int numAttachedShaders = 0;
+    for (const Shader *shader : mState.mAttachedShaders)
+    {
+        if (shader)
+        {
+            ++numAttachedShaders;
+        }
+    }
+
+    return numAttachedShaders;
+}
+
+Shader *Program::getAttachedShader(ShaderType shaderType) const
+{
+    ASSERT(!mLinkingState);
+    return mState.getAttachedShader(shaderType);
+}
+
+void Program::bindAttributeLocation(GLuint index, const char *name)
+{
+    ASSERT(!mLinkingState);
+    mAttributeBindings.bindLocation(index, name);
+}
+
+void Program::bindUniformLocation(UniformLocation location, const char *name)
+{
+    ASSERT(!mLinkingState);
+    mState.mUniformLocationBindings.bindLocation(location.value, name);
+}
+
+void Program::bindFragmentOutputLocation(GLuint index, const char *name)
+{
+    mFragmentOutputLocations.bindLocation(index, name);
+}
+
+void Program::bindFragmentOutputIndex(GLuint index, const char *name)
+{
+    mFragmentOutputIndexes.bindLocation(index, name);
+}
+
+angle::Result Program::link(const Context *context)
+{
+    angle::Result result = linkImpl(context);
+
+    // Avoid having two ProgramExecutables if the link failed and the Program had successfully
+    // linked previously.
+    if (mLinkingState && mLinkingState->linkedExecutable)
+    {
+        mState.mExecutable = mLinkingState->linkedExecutable;
+    }
+
+    return result;
+}
+
+// The attached shaders are checked for linking errors by matching up their variables.
+// Uniform, input and output variables get collected.
+// The code gets compiled into binaries.
+angle::Result Program::linkImpl(const Context *context)
+{
+    ASSERT(!mLinkingState);
+    // Don't make any local variables pointing to anything within the ProgramExecutable, since
+    // unlink() could make a new ProgramExecutable making any references/pointers invalid.
+    auto *platform   = ANGLEPlatformCurrent();
+    double startTime = platform->currentTime(platform);
+
+    // Unlink the program, but do not clear the validation-related caching yet, since we can still
+    // use the previously linked program if linking the shaders fails.
+    mLinked = false;
+
+    mState.mExecutable->resetInfoLog();
+
+    // Validate we have properly attached shaders before checking the cache.
+    if (!linkValidateShaders(context, mState.mExecutable->getInfoLog()))
+    {
+        return angle::Result::Continue;
+    }
+
+    egl::BlobCache::Key programHash = {0};
+    MemoryProgramCache *cache       = context->getMemoryProgramCache();
+
+    // TODO: http://anglebug.com/4530: Enable program caching for separable programs
+    if (cache && !isSeparable())
+    {
+        std::lock_guard<std::mutex> cacheLock(context->getProgramCacheMutex());
+        angle::Result cacheResult = cache->getProgram(context, this, &programHash);
+        ANGLE_TRY(cacheResult);
+
+        // Check explicitly for Continue, Incomplete means a cache miss
+        if (cacheResult == angle::Result::Continue)
+        {
+            std::scoped_lock lock(mHistogramMutex);
+            // Succeeded in loading the binaries in the front-end, back end may still be loading
+            // asynchronously
+            double delta = platform->currentTime(platform) - startTime;
+            int us       = static_cast<int>(delta * 1000000.0);
+            ANGLE_HISTOGRAM_COUNTS("GPU.ANGLE.ProgramCache.ProgramCacheHitTimeUS", us);
+            return angle::Result::Continue;
+        }
+    }
+
+    // Cache load failed, fall through to normal linking.
+    unlink();
+    InfoLog &infoLog = mState.mExecutable->getInfoLog();
+
+    // Re-link shaders after the unlink call.
+    bool result = linkValidateShaders(context, infoLog);
+    ASSERT(result);
+
+    std::unique_ptr<LinkingState> linkingState(new LinkingState());
+    ProgramMergedVaryings mergedVaryings;
+    LinkingVariables linkingVariables(context, mState);
+    ProgramLinkedResources &resources = linkingState->resources;
+
+    resources.init(&mState.mExecutable->mUniformBlocks, &mState.mExecutable->mUniforms,
+                   &mState.mExecutable->mShaderStorageBlocks, &mState.mBufferVariables,
+                   &mState.mExecutable->mAtomicCounterBuffers);
+
+    // TODO: Fix incomplete linking. http://anglebug.com/6358
+    updateLinkedShaderStages();
+
+    InitUniformBlockLinker(context, mState, &resources.uniformBlockLinker);
+    InitShaderStorageBlockLinker(context, mState, &resources.shaderStorageBlockLinker);
+
+    if (mState.mAttachedShaders[ShaderType::Compute])
+    {
+        GLuint combinedImageUniforms = 0;
+        if (!linkUniforms(context, &resources.unusedUniforms, &combinedImageUniforms, infoLog))
+        {
+            return angle::Result::Continue;
+        }
+
+        GLuint combinedShaderStorageBlocks = 0u;
+        if (!LinkValidateProgramInterfaceBlocks(context,
+                                                mState.mExecutable->getLinkedShaderStages(),
+                                                resources, infoLog, &combinedShaderStorageBlocks))
+        {
+            return angle::Result::Continue;
+        }
+
+        // [OpenGL ES 3.1] Chapter 8.22 Page 203:
+        // A link error will be generated if the sum of the number of active image uniforms used in
+        // all shaders, the number of active shader storage blocks, and the number of active
+        // fragment shader outputs exceeds the implementation-dependent value of
+        // MAX_COMBINED_SHADER_OUTPUT_RESOURCES.
+        if (combinedImageUniforms + combinedShaderStorageBlocks >
+            static_cast<GLuint>(context->getCaps().maxCombinedShaderOutputResources))
+        {
+            infoLog
+                << "The sum of the number of active image uniforms, active shader storage blocks "
+                   "and active fragment shader outputs exceeds "
+                   "MAX_COMBINED_SHADER_OUTPUT_RESOURCES ("
+                << context->getCaps().maxCombinedShaderOutputResources << ")";
+            return angle::Result::Continue;
+        }
+    }
+    else
+    {
+        if (!linkAttributes(context, infoLog))
+        {
+            return angle::Result::Continue;
+        }
+
+        if (!linkVaryings(context, infoLog))
+        {
+            return angle::Result::Continue;
+        }
+
+        GLuint combinedImageUniforms = 0;
+        if (!linkUniforms(context, &resources.unusedUniforms, &combinedImageUniforms, infoLog))
+        {
+            return angle::Result::Continue;
+        }
+
+        GLuint combinedShaderStorageBlocks = 0u;
+        if (!LinkValidateProgramInterfaceBlocks(context,
+                                                mState.mExecutable->getLinkedShaderStages(),
+                                                resources, infoLog, &combinedShaderStorageBlocks))
+        {
+            return angle::Result::Continue;
+        }
+
+        if (!LinkValidateProgramGlobalNames(infoLog, getExecutable(), linkingVariables))
+        {
+            return angle::Result::Continue;
+        }
+
+        gl::Shader *vertexShader = mState.mAttachedShaders[ShaderType::Vertex];
+        if (vertexShader)
+        {
+            mState.mNumViews = vertexShader->getNumViews(context);
+            mState.mSpecConstUsageBits |= vertexShader->getSpecConstUsageBits();
+        }
+
+        gl::Shader *fragmentShader = mState.mAttachedShaders[ShaderType::Fragment];
+        if (fragmentShader)
+        {
+            if (!mState.mExecutable->linkValidateOutputVariables(
+                    context->getCaps(), context->getExtensions(), context->getClientVersion(),
+                    combinedImageUniforms, combinedShaderStorageBlocks,
+                    fragmentShader->getActiveOutputVariables(context),
+                    fragmentShader->getShaderVersion(context), mFragmentOutputLocations,
+                    mFragmentOutputIndexes))
+            {
+                return angle::Result::Continue;
+            }
+
+            mState.mExecutable->mHasDiscard = fragmentShader->hasDiscard();
+            mState.mExecutable->mEnablesPerSampleShading =
+                fragmentShader->enablesPerSampleShading();
+            mState.mExecutable->mAdvancedBlendEquations =
+                fragmentShader->getAdvancedBlendEquations();
+            mState.mSpecConstUsageBits |= fragmentShader->getSpecConstUsageBits();
+        }
+
+        mergedVaryings = GetMergedVaryingsFromLinkingVariables(linkingVariables);
+        if (!mState.mExecutable->linkMergedVaryings(
+                context, mergedVaryings, mState.mTransformFeedbackVaryingNames, linkingVariables,
+                isSeparable(), &resources.varyingPacking))
+        {
+            return angle::Result::Continue;
+        }
+    }
+
+    mState.mExecutable->saveLinkedStateInfo(context, mState);
+
+    mLinkingState                    = std::move(linkingState);
+    mLinkingState->linkingFromBinary = false;
+    mLinkingState->programHash       = programHash;
+    mLinkingState->linkEvent         = mProgram->link(context, resources, infoLog, mergedVaryings);
+
+    // Must be after mProgram->link() to avoid misleading the linker about output variables.
+    mState.updateProgramInterfaceInputs(context);
+    mState.updateProgramInterfaceOutputs(context);
+
+    if (mState.mSeparable)
+    {
+        mLinkingState->linkedExecutable = mState.mExecutable;
+    }
+
+    return angle::Result::Continue;
+}
+
+bool Program::isLinking() const
+{
+    return (mLinkingState.get() && mLinkingState->linkEvent &&
+            mLinkingState->linkEvent->isLinking());
+}
+
+void Program::resolveLinkImpl(const Context *context)
+{
+    ASSERT(mLinkingState.get());
+
+    angle::Result result = mLinkingState->linkEvent->wait(context);
+
+    mLinked                                    = result == angle::Result::Continue;
+    std::unique_ptr<LinkingState> linkingState = std::move(mLinkingState);
+    if (!mLinked)
+    {
+        mState.mExecutable->reset(false);
+        return;
+    }
+
+    if (linkingState->linkingFromBinary)
+    {
+        // All internal Program state is already loaded from the binary.
+        return;
+    }
+
+    initInterfaceBlockBindings();
+
+    // According to GLES 3.0/3.1 spec for LinkProgram and UseProgram,
+    // Only successfully linked program can replace the executables.
+    ASSERT(mLinked);
+
+    // Mark implementation-specific unreferenced uniforms as ignored.
+    std::vector<ImageBinding> *imageBindings = getExecutable().getImageBindings();
+    mProgram->markUnusedUniformLocations(&mState.mUniformLocations,
+                                         &mState.mExecutable->mSamplerBindings, imageBindings);
+
+    // Must be called after markUnusedUniformLocations.
+    postResolveLink(context);
+
+    // Save to the program cache.
+    std::lock_guard<std::mutex> cacheLock(context->getProgramCacheMutex());
+    MemoryProgramCache *cache = context->getMemoryProgramCache();
+    // TODO: http://anglebug.com/4530: Enable program caching for separable programs
+    if (cache && !isSeparable() &&
+        (mState.mExecutable->mLinkedTransformFeedbackVaryings.empty() ||
+         !context->getFrontendFeatures().disableProgramCachingForTransformFeedback.enabled))
+    {
+        if (cache->putProgram(linkingState->programHash, context, this) == angle::Result::Stop)
+        {
+            // Don't fail linking if putting the program binary into the cache fails, the program is
+            // still usable.
+            ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                               "Failed to save linked program to memory program cache.");
+        }
+    }
+}
+
+void Program::updateLinkedShaderStages()
+{
+    mState.mExecutable->resetLinkedShaderStages();
+
+    for (const Shader *shader : mState.mAttachedShaders)
+    {
+        if (shader)
+        {
+            mState.mExecutable->setLinkedShaderStages(shader->getType());
+        }
+    }
+}
+
+void ProgramState::updateActiveSamplers()
+{
+    mExecutable->mActiveSamplerRefCounts.fill(0);
+    mExecutable->updateActiveSamplers(*this);
+}
+
+void ProgramState::updateProgramInterfaceInputs(const Context *context)
+{
+    const ShaderType firstAttachedShaderType = getFirstAttachedShaderStageType();
+
+    if (firstAttachedShaderType == ShaderType::Vertex)
+    {
+        // Vertex attributes are already what we need, so nothing to do
+        return;
+    }
+
+    Shader *shader = getAttachedShader(firstAttachedShaderType);
+    ASSERT(shader);
+
+    // Copy over each input varying, since the Shader could go away
+    if (shader->getType() == ShaderType::Compute)
+    {
+        for (const sh::ShaderVariable &attribute : shader->getAllAttributes(context))
+        {
+            // Compute Shaders have the following built-in input variables.
+            //
+            // in uvec3 gl_NumWorkGroups;
+            // in uvec3 gl_WorkGroupID;
+            // in uvec3 gl_LocalInvocationID;
+            // in uvec3 gl_GlobalInvocationID;
+            // in uint  gl_LocalInvocationIndex;
+            // They are all vecs or uints, so no special handling is required.
+            mExecutable->mProgramInputs.emplace_back(attribute);
+        }
+    }
+    else
+    {
+        for (const sh::ShaderVariable &varying : shader->getInputVaryings(context))
+        {
+            UpdateInterfaceVariable(&mExecutable->mProgramInputs, varying);
+        }
+    }
+}
+
+void ProgramState::updateProgramInterfaceOutputs(const Context *context)
+{
+    const ShaderType lastAttachedShaderType = getLastAttachedShaderStageType();
+
+    if (lastAttachedShaderType == ShaderType::Fragment)
+    {
+        // Fragment outputs are already what we need, so nothing to do
+        return;
+    }
+    if (lastAttachedShaderType == ShaderType::Compute)
+    {
+        // If the program only contains a Compute Shader, then there are no user-defined outputs.
+        return;
+    }
+
+    Shader *shader = getAttachedShader(lastAttachedShaderType);
+    ASSERT(shader);
+
+    // Copy over each output varying, since the Shader could go away
+    for (const sh::ShaderVariable &varying : shader->getOutputVaryings(context))
+    {
+        UpdateInterfaceVariable(&mExecutable->mOutputVariables, varying);
+    }
+}
+
+// Returns the program object to an unlinked state, before re-linking, or at destruction
+void Program::unlink()
+{
+    if (mLinkingState && mLinkingState->linkedExecutable)
+    {
+        // The new ProgramExecutable that we'll attempt to link with needs to start from a copy of
+        // the last successfully linked ProgramExecutable, so we don't lose any state information.
+        mState.mExecutable.reset(new ProgramExecutable(*mLinkingState->linkedExecutable));
+    }
+    mState.mExecutable->reset(true);
+
+    mState.mUniformLocations.clear();
+    mState.mBufferVariables.clear();
+    mState.mComputeShaderLocalSize.fill(1);
+    mState.mNumViews             = -1;
+    mState.mDrawIDLocation       = -1;
+    mState.mBaseVertexLocation   = -1;
+    mState.mBaseInstanceLocation = -1;
+    mState.mCachedBaseVertex     = 0;
+    mState.mCachedBaseInstance   = 0;
+    mState.mSpecConstUsageBits.reset();
+
+    mValidated = false;
+
+    mLinked = false;
+}
+
+angle::Result Program::loadBinary(const Context *context,
+                                  GLenum binaryFormat,
+                                  const void *binary,
+                                  GLsizei length)
+{
+    ASSERT(!mLinkingState);
+    unlink();
+    InfoLog &infoLog = mState.mExecutable->getInfoLog();
+
+    if (!angle::GetANGLEHasBinaryLoading())
+    {
+        return angle::Result::Incomplete;
+    }
+
+    ASSERT(binaryFormat == GL_PROGRAM_BINARY_ANGLE);
+    if (binaryFormat != GL_PROGRAM_BINARY_ANGLE)
+    {
+        infoLog << "Invalid program binary format.";
+        return angle::Result::Incomplete;
+    }
+
+    BinaryInputStream stream(binary, length);
+    ANGLE_TRY(deserialize(context, stream, infoLog));
+    // Currently we require the full shader text to compute the program hash.
+    // We could also store the binary in the internal program cache.
+
+    for (size_t uniformBlockIndex = 0;
+         uniformBlockIndex < mState.mExecutable->getActiveUniformBlockCount(); ++uniformBlockIndex)
+    {
+        mDirtyBits.set(uniformBlockIndex);
+    }
+
+    // The rx::LinkEvent returned from ProgramImpl::load is a base class with multiple
+    // implementations. In some implementations, a background thread is used to compile the
+    // shaders. Any calls to the LinkEvent object, therefore, are racy and may interfere with
+    // the operation.
+
+    // We do not want to call LinkEvent::wait because that will cause the background thread
+    // to finish its task before returning, thus defeating the purpose of background compilation.
+    // We need to defer waiting on background compilation until the very last minute when we
+    // absolutely need the results, such as when the developer binds the program or queries
+    // for the completion status.
+
+    // If load returns nullptr, we know for sure that the binary is not compatible with the backend.
+    // The loaded binary could have been read from the on-disk shader cache and be corrupted or
+    // serialized with different revision and subsystem id than the currently loaded backend.
+    // Returning 'Incomplete' to the caller results in link happening using the original shader
+    // sources.
+    angle::Result result;
+    std::unique_ptr<LinkingState> linkingState;
+    std::unique_ptr<rx::LinkEvent> linkEvent = mProgram->load(context, &stream, infoLog);
+    if (linkEvent)
+    {
+        linkingState                    = std::make_unique<LinkingState>();
+        linkingState->linkingFromBinary = true;
+        linkingState->linkEvent         = std::move(linkEvent);
+        result                          = angle::Result::Continue;
+    }
+    else
+    {
+        result = angle::Result::Incomplete;
+    }
+    mLinkingState = std::move(linkingState);
+
+    return result;
+}
+
+angle::Result Program::saveBinary(Context *context,
+                                  GLenum *binaryFormat,
+                                  void *binary,
+                                  GLsizei bufSize,
+                                  GLsizei *length) const
+{
+    ASSERT(!mLinkingState);
+    if (binaryFormat)
+    {
+        *binaryFormat = GL_PROGRAM_BINARY_ANGLE;
+    }
+
+    angle::MemoryBuffer memoryBuf;
+    ANGLE_TRY(serialize(context, &memoryBuf));
+
+    GLsizei streamLength       = static_cast<GLsizei>(memoryBuf.size());
+    const uint8_t *streamState = memoryBuf.data();
+
+    if (streamLength > bufSize)
+    {
+        if (length)
+        {
+            *length = 0;
+        }
+
+        // TODO: This should be moved to the validation layer but computing the size of the binary
+        // before saving it causes the save to happen twice.  It may be possible to write the binary
+        // to a separate buffer, validate sizes and then copy it.
+        ANGLE_CHECK(context, false, "Insufficient buffer size", GL_INVALID_OPERATION);
+    }
+
+    if (binary)
+    {
+        char *ptr = reinterpret_cast<char *>(binary);
+
+        memcpy(ptr, streamState, streamLength);
+        ptr += streamLength;
+
+        ASSERT(ptr - streamLength == binary);
+    }
+
+    if (length)
+    {
+        *length = streamLength;
+    }
+
+    return angle::Result::Continue;
+}
+
+GLint Program::getBinaryLength(Context *context) const
+{
+    ASSERT(!mLinkingState);
+    if (!mLinked)
+    {
+        return 0;
+    }
+
+    GLint length;
+    angle::Result result =
+        saveBinary(context, nullptr, nullptr, std::numeric_limits<GLint>::max(), &length);
+    if (result != angle::Result::Continue)
+    {
+        return 0;
+    }
+
+    return length;
+}
+
+void Program::setBinaryRetrievableHint(bool retrievable)
+{
+    ASSERT(!mLinkingState);
+    // TODO(jmadill) : replace with dirty bits
+    mProgram->setBinaryRetrievableHint(retrievable);
+    mState.mBinaryRetrieveableHint = retrievable;
+}
+
+bool Program::getBinaryRetrievableHint() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mBinaryRetrieveableHint;
+}
+
+void Program::setSeparable(bool separable)
+{
+    ASSERT(!mLinkingState);
+    // TODO(yunchao) : replace with dirty bits
+    if (mState.mSeparable != separable)
+    {
+        mProgram->setSeparable(separable);
+        mState.mSeparable = separable;
+    }
+}
+
+bool Program::isSeparable() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mSeparable;
+}
+
+void Program::deleteSelf(const Context *context)
+{
+    ASSERT(mRefCount == 0 && mDeleteStatus);
+    mResourceManager->deleteProgram(context, mHandle);
+}
+
+unsigned int Program::getRefCount() const
+{
+    return mRefCount;
+}
+
+void Program::getAttachedShaders(GLsizei maxCount, GLsizei *count, ShaderProgramID *shaders) const
+{
+    ASSERT(!mLinkingState);
+    int total = 0;
+
+    for (const Shader *shader : mState.mAttachedShaders)
+    {
+        if (shader && (total < maxCount))
+        {
+            shaders[total] = shader->getHandle();
+            ++total;
+        }
+    }
+
+    if (count)
+    {
+        *count = total;
+    }
+}
+
+GLuint Program::getAttributeLocation(const std::string &name) const
+{
+    ASSERT(!mLinkingState);
+    return mState.getAttributeLocation(name);
+}
+
+void Program::getActiveAttribute(GLuint index,
+                                 GLsizei bufsize,
+                                 GLsizei *length,
+                                 GLint *size,
+                                 GLenum *type,
+                                 GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    if (!mLinked)
+    {
+        if (bufsize > 0)
+        {
+            name[0] = '\0';
+        }
+
+        if (length)
+        {
+            *length = 0;
+        }
+
+        *type = GL_NONE;
+        *size = 1;
+        return;
+    }
+
+    ASSERT(index < mState.mExecutable->getProgramInputs().size());
+    const sh::ShaderVariable &attrib = mState.mExecutable->getProgramInputs()[index];
+
+    if (bufsize > 0)
+    {
+        CopyStringToBuffer(name, attrib.name, bufsize, length);
+    }
+
+    // Always a single 'type' instance
+    *size = 1;
+    *type = attrib.type;
+}
+
+GLint Program::getActiveAttributeCount() const
+{
+    ASSERT(!mLinkingState);
+    if (!mLinked)
+    {
+        return 0;
+    }
+
+    return static_cast<GLint>(mState.mExecutable->getProgramInputs().size());
+}
+
+GLint Program::getActiveAttributeMaxLength() const
+{
+    ASSERT(!mLinkingState);
+    if (!mLinked)
+    {
+        return 0;
+    }
+
+    size_t maxLength = 0;
+
+    for (const sh::ShaderVariable &attrib : mState.mExecutable->getProgramInputs())
+    {
+        maxLength = std::max(attrib.name.length() + 1, maxLength);
+    }
+
+    return static_cast<GLint>(maxLength);
+}
+
+const std::vector<sh::ShaderVariable> &Program::getAttributes() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mExecutable->getProgramInputs();
+}
+
+const sh::WorkGroupSize &Program::getComputeShaderLocalSize() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mComputeShaderLocalSize;
+}
+
+PrimitiveMode Program::getGeometryShaderInputPrimitiveType() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->getGeometryShaderInputPrimitiveType();
+}
+PrimitiveMode Program::getGeometryShaderOutputPrimitiveType() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->getGeometryShaderOutputPrimitiveType();
+}
+GLint Program::getGeometryShaderInvocations() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->getGeometryShaderInvocations();
+}
+GLint Program::getGeometryShaderMaxVertices() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->getGeometryShaderMaxVertices();
+}
+
+GLint Program::getTessControlShaderVertices() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->mTessControlShaderVertices;
+}
+
+GLenum Program::getTessGenMode() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->mTessGenMode;
+}
+
+GLenum Program::getTessGenPointMode() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->mTessGenPointMode;
+}
+
+GLenum Program::getTessGenSpacing() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->mTessGenSpacing;
+}
+
+GLenum Program::getTessGenVertexOrder() const
+{
+    ASSERT(!mLinkingState && mState.mExecutable);
+    return mState.mExecutable->mTessGenVertexOrder;
+}
+
+const sh::ShaderVariable &Program::getInputResource(size_t index) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < mState.mExecutable->getProgramInputs().size());
+    return mState.mExecutable->getProgramInputs()[index];
+}
+
+GLuint Program::getInputResourceIndex(const GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    const std::string nameString = StripLastArrayIndex(name);
+
+    for (size_t index = 0; index < mState.mExecutable->getProgramInputs().size(); index++)
+    {
+        sh::ShaderVariable resource = getInputResource(index);
+        if (resource.name == nameString)
+        {
+            return static_cast<GLuint>(index);
+        }
+    }
+
+    return GL_INVALID_INDEX;
+}
+
+GLuint Program::getResourceMaxNameSize(const sh::ShaderVariable &resource, GLint max) const
+{
+    if (resource.isArray())
+    {
+        return std::max(max, clampCast<GLint>((resource.name + "[0]").size()));
+    }
+    else
+    {
+        return std::max(max, clampCast<GLint>((resource.name).size()));
+    }
+}
+
+GLuint Program::getInputResourceMaxNameSize() const
+{
+    GLint max = 0;
+
+    for (const sh::ShaderVariable &resource : mState.mExecutable->getProgramInputs())
+    {
+        max = getResourceMaxNameSize(resource, max);
+    }
+
+    return max;
+}
+
+GLuint Program::getOutputResourceMaxNameSize() const
+{
+    GLint max = 0;
+
+    for (const sh::ShaderVariable &resource : mState.mExecutable->getOutputVariables())
+    {
+        max = getResourceMaxNameSize(resource, max);
+    }
+
+    return max;
+}
+
+GLuint Program::getResourceLocation(const GLchar *name, const sh::ShaderVariable &variable) const
+{
+    if (variable.isBuiltIn())
+    {
+        return GL_INVALID_INDEX;
+    }
+
+    GLint location = variable.location;
+    if (variable.isArray())
+    {
+        size_t nameLengthWithoutArrayIndexOut;
+        size_t arrayIndex = ParseArrayIndex(name, &nameLengthWithoutArrayIndexOut);
+        // The 'name' string may not contain the array notation "[0]"
+        if (arrayIndex != GL_INVALID_INDEX)
+        {
+            location += arrayIndex;
+        }
+    }
+
+    return location;
+}
+
+GLuint Program::getInputResourceLocation(const GLchar *name) const
+{
+    const GLuint index = getInputResourceIndex(name);
+    if (index == GL_INVALID_INDEX)
+    {
+        return index;
+    }
+
+    const sh::ShaderVariable &variable = getInputResource(index);
+
+    return getResourceLocation(name, variable);
+}
+
+GLuint Program::getOutputResourceLocation(const GLchar *name) const
+{
+    const GLuint index = getOutputResourceIndex(name);
+    if (index == GL_INVALID_INDEX)
+    {
+        return index;
+    }
+
+    const sh::ShaderVariable &variable = getOutputResource(index);
+
+    return getResourceLocation(name, variable);
+}
+
+GLuint Program::getOutputResourceIndex(const GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    const std::string nameString = StripLastArrayIndex(name);
+
+    for (size_t index = 0; index < mState.mExecutable->getOutputVariables().size(); index++)
+    {
+        sh::ShaderVariable resource = getOutputResource(index);
+        if (resource.name == nameString)
+        {
+            return static_cast<GLuint>(index);
+        }
+    }
+
+    return GL_INVALID_INDEX;
+}
+
+size_t Program::getOutputResourceCount() const
+{
+    ASSERT(!mLinkingState);
+    return (mLinked ? mState.mExecutable->getOutputVariables().size() : 0);
+}
+
+void Program::getResourceName(const std::string name,
+                              GLsizei bufSize,
+                              GLsizei *length,
+                              GLchar *dest) const
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (!mLinked)
+    {
+        if (bufSize > 0)
+        {
+            dest[0] = '\0';
+        }
+        return;
+    }
+
+    if (bufSize > 0)
+    {
+        CopyStringToBuffer(dest, name, bufSize, length);
+    }
+}
+
+void Program::getInputResourceName(GLuint index,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    getResourceName(getInputResourceName(index), bufSize, length, name);
+}
+
+void Program::getOutputResourceName(GLuint index,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    getResourceName(getOutputResourceName(index), bufSize, length, name);
+}
+
+void Program::getUniformResourceName(GLuint index,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < mState.mExecutable->getUniforms().size());
+    getResourceName(mState.mExecutable->getUniforms()[index].name, bufSize, length, name);
+}
+
+void Program::getBufferVariableResourceName(GLuint index,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < mState.mBufferVariables.size());
+    getResourceName(mState.mBufferVariables[index].name, bufSize, length, name);
+}
+
+const std::string Program::getResourceName(const sh::ShaderVariable &resource) const
+{
+    std::string resourceName = resource.name;
+
+    if (resource.isArray())
+    {
+        resourceName += "[0]";
+    }
+
+    return resourceName;
+}
+
+const std::string Program::getInputResourceName(GLuint index) const
+{
+    ASSERT(!mLinkingState);
+    const sh::ShaderVariable &resource = getInputResource(index);
+
+    return getResourceName(resource);
+}
+
+const std::string Program::getOutputResourceName(GLuint index) const
+{
+    ASSERT(!mLinkingState);
+    const sh::ShaderVariable &resource = getOutputResource(index);
+
+    return getResourceName(resource);
+}
+
+const sh::ShaderVariable &Program::getOutputResource(size_t index) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < mState.mExecutable->getOutputVariables().size());
+    return mState.mExecutable->getOutputVariables()[index];
+}
+
+const ProgramBindings &Program::getAttributeBindings() const
+{
+    ASSERT(!mLinkingState);
+    return mAttributeBindings;
+}
+const ProgramAliasedBindings &Program::getUniformLocationBindings() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mUniformLocationBindings;
+}
+
+const gl::ProgramAliasedBindings &Program::getFragmentOutputLocations() const
+{
+    ASSERT(!mLinkingState);
+    return mFragmentOutputLocations;
+}
+
+const gl::ProgramAliasedBindings &Program::getFragmentOutputIndexes() const
+{
+    ASSERT(!mLinkingState);
+    return mFragmentOutputIndexes;
+}
+
+const std::vector<GLsizei> &Program::getTransformFeedbackStrides() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mExecutable->getTransformFeedbackStrides();
+}
+
+GLint Program::getFragDataLocation(const std::string &name) const
+{
+    ASSERT(!mLinkingState);
+    GLint primaryLocation = GetVariableLocation(mState.mExecutable->getOutputVariables(),
+                                                mState.mExecutable->getOutputLocations(), name);
+    if (primaryLocation != -1)
+    {
+        return primaryLocation;
+    }
+    return GetVariableLocation(mState.mExecutable->getOutputVariables(),
+                               mState.mExecutable->getSecondaryOutputLocations(), name);
+}
+
+GLint Program::getFragDataIndex(const std::string &name) const
+{
+    ASSERT(!mLinkingState);
+    if (GetVariableLocation(mState.mExecutable->getOutputVariables(),
+                            mState.mExecutable->getOutputLocations(), name) != -1)
+    {
+        return 0;
+    }
+    if (GetVariableLocation(mState.mExecutable->getOutputVariables(),
+                            mState.mExecutable->getSecondaryOutputLocations(), name) != -1)
+    {
+        return 1;
+    }
+    return -1;
+}
+
+void Program::getActiveUniform(GLuint index,
+                               GLsizei bufsize,
+                               GLsizei *length,
+                               GLint *size,
+                               GLenum *type,
+                               GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    if (mLinked)
+    {
+        // index must be smaller than getActiveUniformCount()
+        ASSERT(index < mState.mExecutable->getUniforms().size());
+        const LinkedUniform &uniform = mState.mExecutable->getUniforms()[index];
+
+        if (bufsize > 0)
+        {
+            std::string string = uniform.name;
+            CopyStringToBuffer(name, string, bufsize, length);
+        }
+
+        *size = clampCast<GLint>(uniform.getBasicTypeElementCount());
+        *type = uniform.type;
+    }
+    else
+    {
+        if (bufsize > 0)
+        {
+            name[0] = '\0';
+        }
+
+        if (length)
+        {
+            *length = 0;
+        }
+
+        *size = 0;
+        *type = GL_NONE;
+    }
+}
+
+GLint Program::getActiveUniformCount() const
+{
+    ASSERT(!mLinkingState);
+    if (mLinked)
+    {
+        return static_cast<GLint>(mState.mExecutable->getUniforms().size());
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+size_t Program::getActiveBufferVariableCount() const
+{
+    ASSERT(!mLinkingState);
+    return mLinked ? mState.mBufferVariables.size() : 0;
+}
+
+GLint Program::getActiveUniformMaxLength() const
+{
+    ASSERT(!mLinkingState);
+    size_t maxLength = 0;
+
+    if (mLinked)
+    {
+        for (const LinkedUniform &uniform : mState.mExecutable->getUniforms())
+        {
+            if (!uniform.name.empty())
+            {
+                size_t length = uniform.name.length() + 1u;
+                if (uniform.isArray())
+                {
+                    length += 3;  // Counting in "[0]".
+                }
+                maxLength = std::max(length, maxLength);
+            }
+        }
+    }
+
+    return static_cast<GLint>(maxLength);
+}
+
+bool Program::isValidUniformLocation(UniformLocation location) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(angle::IsValueInRangeForNumericType<GLint>(mState.mUniformLocations.size()));
+    return (location.value >= 0 &&
+            static_cast<size_t>(location.value) < mState.mUniformLocations.size() &&
+            mState.mUniformLocations[static_cast<size_t>(location.value)].used());
+}
+
+const LinkedUniform &Program::getUniformByLocation(UniformLocation location) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(location.value >= 0 &&
+           static_cast<size_t>(location.value) < mState.mUniformLocations.size());
+    return mState.mExecutable->getUniforms()[mState.getUniformIndexFromLocation(location)];
+}
+
+const VariableLocation &Program::getUniformLocation(UniformLocation location) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(location.value >= 0 &&
+           static_cast<size_t>(location.value) < mState.mUniformLocations.size());
+    return mState.mUniformLocations[location.value];
+}
+
+const BufferVariable &Program::getBufferVariableByIndex(GLuint index) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < static_cast<size_t>(mState.mBufferVariables.size()));
+    return mState.mBufferVariables[index];
+}
+
+UniformLocation Program::getUniformLocation(const std::string &name) const
+{
+    ASSERT(!mLinkingState);
+    return {GetVariableLocation(mState.mExecutable->getUniforms(), mState.mUniformLocations, name)};
+}
+
+GLuint Program::getUniformIndex(const std::string &name) const
+{
+    ASSERT(!mLinkingState);
+    return mState.getUniformIndexFromName(name);
+}
+
+bool Program::shouldIgnoreUniform(UniformLocation location) const
+{
+    if (location.value == -1)
+    {
+        return true;
+    }
+
+    if (mState.mUniformLocations[static_cast<size_t>(location.value)].ignored)
+    {
+        return true;
+    }
+
+    return false;
+}
+
+template <typename UniformT,
+          GLint UniformSize,
+          void (rx::ProgramImpl::*SetUniformFunc)(GLint, GLsizei, const UniformT *)>
+void Program::setUniformGeneric(UniformLocation location, GLsizei count, const UniformT *v)
+{
+    ASSERT(!mLinkingState);
+    if (shouldIgnoreUniform(location))
+    {
+        return;
+    }
+
+    const VariableLocation &locationInfo = mState.mUniformLocations[location.value];
+    GLsizei clampedCount                 = clampUniformCount(locationInfo, count, UniformSize, v);
+    (mProgram->*SetUniformFunc)(location.value, clampedCount, v);
+    onStateChange(angle::SubjectMessage::ProgramUniformUpdated);
+}
+
+void Program::setUniform1fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    setUniformGeneric<GLfloat, 1, &rx::ProgramImpl::setUniform1fv>(location, count, v);
+}
+
+void Program::setUniform2fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    setUniformGeneric<GLfloat, 2, &rx::ProgramImpl::setUniform2fv>(location, count, v);
+}
+
+void Program::setUniform3fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    setUniformGeneric<GLfloat, 3, &rx::ProgramImpl::setUniform3fv>(location, count, v);
+}
+
+void Program::setUniform4fv(UniformLocation location, GLsizei count, const GLfloat *v)
+{
+    setUniformGeneric<GLfloat, 4, &rx::ProgramImpl::setUniform4fv>(location, count, v);
+}
+
+void Program::setUniform1iv(Context *context,
+                            UniformLocation location,
+                            GLsizei count,
+                            const GLint *v)
+{
+    ASSERT(!mLinkingState);
+    if (shouldIgnoreUniform(location))
+    {
+        return;
+    }
+
+    const VariableLocation &locationInfo = mState.mUniformLocations[location.value];
+    GLsizei clampedCount                 = clampUniformCount(locationInfo, count, 1, v);
+
+    mProgram->setUniform1iv(location.value, clampedCount, v);
+
+    if (mState.isSamplerUniformIndex(locationInfo.index))
+    {
+        updateSamplerUniform(context, locationInfo, clampedCount, v);
+    }
+    else
+    {
+        onStateChange(angle::SubjectMessage::ProgramUniformUpdated);
+    }
+}
+
+void Program::setUniform2iv(UniformLocation location, GLsizei count, const GLint *v)
+{
+    setUniformGeneric<GLint, 2, &rx::ProgramImpl::setUniform2iv>(location, count, v);
+}
+
+void Program::setUniform3iv(UniformLocation location, GLsizei count, const GLint *v)
+{
+    setUniformGeneric<GLint, 3, &rx::ProgramImpl::setUniform3iv>(location, count, v);
+}
+
+void Program::setUniform4iv(UniformLocation location, GLsizei count, const GLint *v)
+{
+    setUniformGeneric<GLint, 4, &rx::ProgramImpl::setUniform4iv>(location, count, v);
+}
+
+void Program::setUniform1uiv(UniformLocation location, GLsizei count, const GLuint *v)
+{
+    setUniformGeneric<GLuint, 1, &rx::ProgramImpl::setUniform1uiv>(location, count, v);
+}
+
+void Program::setUniform2uiv(UniformLocation location, GLsizei count, const GLuint *v)
+{
+    setUniformGeneric<GLuint, 2, &rx::ProgramImpl::setUniform2uiv>(location, count, v);
+}
+
+void Program::setUniform3uiv(UniformLocation location, GLsizei count, const GLuint *v)
+{
+    setUniformGeneric<GLuint, 3, &rx::ProgramImpl::setUniform3uiv>(location, count, v);
+}
+
+void Program::setUniform4uiv(UniformLocation location, GLsizei count, const GLuint *v)
+{
+    setUniformGeneric<GLuint, 4, &rx::ProgramImpl::setUniform4uiv>(location, count, v);
+}
+
+template <
+    typename UniformT,
+    GLint MatrixC,
+    GLint MatrixR,
+    void (rx::ProgramImpl::*SetUniformMatrixFunc)(GLint, GLsizei, GLboolean, const UniformT *)>
+void Program::setUniformMatrixGeneric(UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose,
+                                      const UniformT *v)
+{
+    ASSERT(!mLinkingState);
+    if (shouldIgnoreUniform(location))
+    {
+        return;
+    }
+
+    GLsizei clampedCount = clampMatrixUniformCount<MatrixC, MatrixR>(location, count, transpose, v);
+    (mProgram->*SetUniformMatrixFunc)(location.value, clampedCount, transpose, v);
+    onStateChange(angle::SubjectMessage::ProgramUniformUpdated);
+}
+
+void Program::setUniformMatrix2fv(UniformLocation location,
+                                  GLsizei count,
+                                  GLboolean transpose,
+                                  const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 2, 2, &rx::ProgramImpl::setUniformMatrix2fv>(location, count,
+                                                                                  transpose, v);
+}
+
+void Program::setUniformMatrix3fv(UniformLocation location,
+                                  GLsizei count,
+                                  GLboolean transpose,
+                                  const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 3, 3, &rx::ProgramImpl::setUniformMatrix3fv>(location, count,
+                                                                                  transpose, v);
+}
+
+void Program::setUniformMatrix4fv(UniformLocation location,
+                                  GLsizei count,
+                                  GLboolean transpose,
+                                  const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 4, 4, &rx::ProgramImpl::setUniformMatrix4fv>(location, count,
+                                                                                  transpose, v);
+}
+
+void Program::setUniformMatrix2x3fv(UniformLocation location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 2, 3, &rx::ProgramImpl::setUniformMatrix2x3fv>(location, count,
+                                                                                    transpose, v);
+}
+
+void Program::setUniformMatrix2x4fv(UniformLocation location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 2, 4, &rx::ProgramImpl::setUniformMatrix2x4fv>(location, count,
+                                                                                    transpose, v);
+}
+
+void Program::setUniformMatrix3x2fv(UniformLocation location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 3, 2, &rx::ProgramImpl::setUniformMatrix3x2fv>(location, count,
+                                                                                    transpose, v);
+}
+
+void Program::setUniformMatrix3x4fv(UniformLocation location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 3, 4, &rx::ProgramImpl::setUniformMatrix3x4fv>(location, count,
+                                                                                    transpose, v);
+}
+
+void Program::setUniformMatrix4x2fv(UniformLocation location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 4, 2, &rx::ProgramImpl::setUniformMatrix4x2fv>(location, count,
+                                                                                    transpose, v);
+}
+
+void Program::setUniformMatrix4x3fv(UniformLocation location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const GLfloat *v)
+{
+    setUniformMatrixGeneric<GLfloat, 4, 3, &rx::ProgramImpl::setUniformMatrix4x3fv>(location, count,
+                                                                                    transpose, v);
+}
+
+GLuint Program::getSamplerUniformBinding(const VariableLocation &uniformLocation) const
+{
+    ASSERT(!mLinkingState);
+    GLuint samplerIndex = mState.getSamplerIndexFromUniformIndex(uniformLocation.index);
+    const std::vector<GLuint> &boundTextureUnits =
+        mState.mExecutable->mSamplerBindings[samplerIndex].boundTextureUnits;
+    return (uniformLocation.arrayIndex < boundTextureUnits.size())
+               ? boundTextureUnits[uniformLocation.arrayIndex]
+               : 0;
+}
+
+GLuint Program::getImageUniformBinding(const VariableLocation &uniformLocation) const
+{
+    ASSERT(!mLinkingState);
+    GLuint imageIndex = mState.getImageIndexFromUniformIndex(uniformLocation.index);
+
+    const std::vector<ImageBinding> &imageBindings = getExecutable().getImageBindings();
+    const std::vector<GLuint> &boundImageUnits     = imageBindings[imageIndex].boundImageUnits;
+    return boundImageUnits[uniformLocation.arrayIndex];
+}
+
+void Program::getUniformfv(const Context *context, UniformLocation location, GLfloat *v) const
+{
+    ASSERT(!mLinkingState);
+    const VariableLocation &uniformLocation = mState.getUniformLocations()[location.value];
+    const LinkedUniform &uniform            = mState.getUniforms()[uniformLocation.index];
+
+    if (uniform.isSampler())
+    {
+        *v = static_cast<GLfloat>(getSamplerUniformBinding(uniformLocation));
+        return;
+    }
+    else if (uniform.isImage())
+    {
+        *v = static_cast<GLfloat>(getImageUniformBinding(uniformLocation));
+        return;
+    }
+
+    const GLenum nativeType = gl::VariableComponentType(uniform.type);
+    if (nativeType == GL_FLOAT)
+    {
+        mProgram->getUniformfv(context, location.value, v);
+    }
+    else
+    {
+        getUniformInternal(context, v, location, nativeType, VariableComponentCount(uniform.type));
+    }
+}
+
+void Program::getUniformiv(const Context *context, UniformLocation location, GLint *v) const
+{
+    ASSERT(!mLinkingState);
+    const VariableLocation &uniformLocation = mState.getUniformLocations()[location.value];
+    const LinkedUniform &uniform            = mState.getUniforms()[uniformLocation.index];
+
+    if (uniform.isSampler())
+    {
+        *v = static_cast<GLint>(getSamplerUniformBinding(uniformLocation));
+        return;
+    }
+    else if (uniform.isImage())
+    {
+        *v = static_cast<GLint>(getImageUniformBinding(uniformLocation));
+        return;
+    }
+
+    const GLenum nativeType = gl::VariableComponentType(uniform.type);
+    if (nativeType == GL_INT || nativeType == GL_BOOL)
+    {
+        mProgram->getUniformiv(context, location.value, v);
+    }
+    else
+    {
+        getUniformInternal(context, v, location, nativeType, VariableComponentCount(uniform.type));
+    }
+}
+
+void Program::getUniformuiv(const Context *context, UniformLocation location, GLuint *v) const
+{
+    ASSERT(!mLinkingState);
+    const VariableLocation &uniformLocation = mState.getUniformLocations()[location.value];
+    const LinkedUniform &uniform            = mState.getUniforms()[uniformLocation.index];
+
+    if (uniform.isSampler())
+    {
+        *v = getSamplerUniformBinding(uniformLocation);
+        return;
+    }
+    else if (uniform.isImage())
+    {
+        *v = getImageUniformBinding(uniformLocation);
+        return;
+    }
+
+    const GLenum nativeType = VariableComponentType(uniform.type);
+    if (nativeType == GL_UNSIGNED_INT)
+    {
+        mProgram->getUniformuiv(context, location.value, v);
+    }
+    else
+    {
+        getUniformInternal(context, v, location, nativeType, VariableComponentCount(uniform.type));
+    }
+}
+
+void Program::flagForDeletion()
+{
+    ASSERT(!mLinkingState);
+    mDeleteStatus = true;
+}
+
+bool Program::isFlaggedForDeletion() const
+{
+    ASSERT(!mLinkingState);
+    return mDeleteStatus;
+}
+
+void Program::validate(const Caps &caps)
+{
+    ASSERT(!mLinkingState);
+    mState.mExecutable->resetInfoLog();
+    InfoLog &infoLog = mState.mExecutable->getInfoLog();
+
+    if (mLinked)
+    {
+        mValidated = ConvertToBool(mProgram->validate(caps, &infoLog));
+    }
+    else
+    {
+        infoLog << "Program has not been successfully linked.";
+    }
+}
+
+bool Program::isValidated() const
+{
+    ASSERT(!mLinkingState);
+    return mValidated;
+}
+
+void Program::getActiveUniformBlockName(const Context *context,
+                                        const UniformBlockIndex blockIndex,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLchar *blockName) const
+{
+    ASSERT(!mLinkingState);
+    GetInterfaceBlockName(blockIndex, mState.mExecutable->getUniformBlocks(), bufSize, length,
+                          blockName);
+}
+
+void Program::getActiveShaderStorageBlockName(const GLuint blockIndex,
+                                              GLsizei bufSize,
+                                              GLsizei *length,
+                                              GLchar *blockName) const
+{
+    ASSERT(!mLinkingState);
+    GetInterfaceBlockName({blockIndex}, mState.mExecutable->getShaderStorageBlocks(), bufSize,
+                          length, blockName);
+}
+
+template <typename T>
+GLint Program::getActiveInterfaceBlockMaxNameLength(const std::vector<T> &resources) const
+{
+    int maxLength = 0;
+
+    if (mLinked)
+    {
+        for (const T &resource : resources)
+        {
+            if (!resource.name.empty())
+            {
+                int length = static_cast<int>(resource.nameWithArrayIndex().length());
+                maxLength  = std::max(length + 1, maxLength);
+            }
+        }
+    }
+
+    return maxLength;
+}
+
+GLint Program::getActiveUniformBlockMaxNameLength() const
+{
+    ASSERT(!mLinkingState);
+    return getActiveInterfaceBlockMaxNameLength(mState.mExecutable->getUniformBlocks());
+}
+
+GLint Program::getActiveShaderStorageBlockMaxNameLength() const
+{
+    ASSERT(!mLinkingState);
+    return getActiveInterfaceBlockMaxNameLength(mState.mExecutable->getShaderStorageBlocks());
+}
+
+GLuint Program::getUniformBlockIndex(const std::string &name) const
+{
+    ASSERT(!mLinkingState);
+    return GetInterfaceBlockIndex(mState.mExecutable->getUniformBlocks(), name);
+}
+
+GLuint Program::getShaderStorageBlockIndex(const std::string &name) const
+{
+    ASSERT(!mLinkingState);
+    return GetInterfaceBlockIndex(mState.mExecutable->getShaderStorageBlocks(), name);
+}
+
+const InterfaceBlock &Program::getUniformBlockByIndex(GLuint index) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < static_cast<GLuint>(mState.mExecutable->getActiveUniformBlockCount()));
+    return mState.mExecutable->getUniformBlocks()[index];
+}
+
+const InterfaceBlock &Program::getShaderStorageBlockByIndex(GLuint index) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < static_cast<GLuint>(mState.mExecutable->getActiveShaderStorageBlockCount()));
+    return mState.mExecutable->getShaderStorageBlocks()[index];
+}
+
+void Program::bindUniformBlock(UniformBlockIndex uniformBlockIndex, GLuint uniformBlockBinding)
+{
+    ASSERT(!mLinkingState);
+    mState.mExecutable->mUniformBlocks[uniformBlockIndex.value].binding = uniformBlockBinding;
+    mState.mExecutable->mActiveUniformBlockBindings.set(uniformBlockIndex.value,
+                                                        uniformBlockBinding != 0);
+    mDirtyBits.set(DIRTY_BIT_UNIFORM_BLOCK_BINDING_0 + uniformBlockIndex.value);
+}
+
+GLuint Program::getUniformBlockBinding(GLuint uniformBlockIndex) const
+{
+    ASSERT(!mLinkingState);
+    return mState.getUniformBlockBinding(uniformBlockIndex);
+}
+
+GLuint Program::getShaderStorageBlockBinding(GLuint shaderStorageBlockIndex) const
+{
+    ASSERT(!mLinkingState);
+    return mState.getShaderStorageBlockBinding(shaderStorageBlockIndex);
+}
+
+void Program::setTransformFeedbackVaryings(GLsizei count,
+                                           const GLchar *const *varyings,
+                                           GLenum bufferMode)
+{
+    ASSERT(!mLinkingState);
+    mState.mTransformFeedbackVaryingNames.resize(count);
+    for (GLsizei i = 0; i < count; i++)
+    {
+        mState.mTransformFeedbackVaryingNames[i] = varyings[i];
+    }
+
+    mState.mExecutable->mTransformFeedbackBufferMode = bufferMode;
+}
+
+void Program::getTransformFeedbackVarying(GLuint index,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLsizei *size,
+                                          GLenum *type,
+                                          GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    if (mLinked)
+    {
+        ASSERT(index < mState.mExecutable->mLinkedTransformFeedbackVaryings.size());
+        const auto &var     = mState.mExecutable->mLinkedTransformFeedbackVaryings[index];
+        std::string varName = var.nameWithArrayIndex();
+        GLsizei lastNameIdx = std::min(bufSize - 1, static_cast<GLsizei>(varName.length()));
+        if (length)
+        {
+            *length = lastNameIdx;
+        }
+        if (size)
+        {
+            *size = var.size();
+        }
+        if (type)
+        {
+            *type = var.type;
+        }
+        if (name)
+        {
+            memcpy(name, varName.c_str(), lastNameIdx);
+            name[lastNameIdx] = '\0';
+        }
+    }
+}
+
+GLsizei Program::getTransformFeedbackVaryingCount() const
+{
+    ASSERT(!mLinkingState);
+    if (mLinked)
+    {
+        return static_cast<GLsizei>(mState.mExecutable->mLinkedTransformFeedbackVaryings.size());
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+GLsizei Program::getTransformFeedbackVaryingMaxLength() const
+{
+    ASSERT(!mLinkingState);
+    if (mLinked)
+    {
+        GLsizei maxSize = 0;
+        for (const auto &var : mState.mExecutable->mLinkedTransformFeedbackVaryings)
+        {
+            maxSize =
+                std::max(maxSize, static_cast<GLsizei>(var.nameWithArrayIndex().length() + 1));
+        }
+
+        return maxSize;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+GLenum Program::getTransformFeedbackBufferMode() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mExecutable->getTransformFeedbackBufferMode();
+}
+
+bool Program::linkValidateShaders(const Context *context, InfoLog &infoLog)
+{
+    const ShaderMap<Shader *> &shaders = mState.mAttachedShaders;
+
+    bool isComputeShaderAttached  = shaders[ShaderType::Compute] != nullptr;
+    bool isGraphicsShaderAttached = shaders[ShaderType::Vertex] ||
+                                    shaders[ShaderType::TessControl] ||
+                                    shaders[ShaderType::TessEvaluation] ||
+                                    shaders[ShaderType::Geometry] || shaders[ShaderType::Fragment];
+    // Check whether we both have a compute and non-compute shaders attached.
+    // If there are of both types attached, then linking should fail.
+    // OpenGL ES 3.10, 7.3 Program Objects, under LinkProgram
+    if (isComputeShaderAttached && isGraphicsShaderAttached)
+    {
+        infoLog << "Both compute and graphics shaders are attached to the same program.";
+        return false;
+    }
+
+    Optional<int> version;
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        Shader *shader = shaders[shaderType];
+        ASSERT(!shader || shader->getType() == shaderType);
+        if (!shader)
+        {
+            continue;
+        }
+
+        if (!shader->isCompiled(context))
+        {
+            infoLog << ShaderTypeToString(shaderType) << " shader is not compiled.";
+            return false;
+        }
+
+        if (!version.valid())
+        {
+            version = shader->getShaderVersion(context);
+        }
+        else if (version != shader->getShaderVersion(context))
+        {
+            infoLog << ShaderTypeToString(shaderType)
+                    << " shader version does not match other shader versions.";
+            return false;
+        }
+    }
+
+    if (isComputeShaderAttached)
+    {
+        ASSERT(shaders[ShaderType::Compute]->getType() == ShaderType::Compute);
+
+        mState.mComputeShaderLocalSize = shaders[ShaderType::Compute]->getWorkGroupSize(context);
+
+        // GLSL ES 3.10, 4.4.1.1 Compute Shader Inputs
+        // If the work group size is not specified, a link time error should occur.
+        if (!mState.mComputeShaderLocalSize.isDeclared())
+        {
+            infoLog << "Work group size is not specified.";
+            return false;
+        }
+    }
+    else
+    {
+        if (!isGraphicsShaderAttached)
+        {
+            infoLog << "No compiled shaders.";
+            return false;
+        }
+
+        bool hasVertex   = shaders[ShaderType::Vertex] != nullptr;
+        bool hasFragment = shaders[ShaderType::Fragment] != nullptr;
+        if (!isSeparable() && (!hasVertex || !hasFragment))
+        {
+            infoLog
+                << "The program must contain objects to form both a vertex and fragment shader.";
+            return false;
+        }
+
+        bool hasTessControl    = shaders[ShaderType::TessControl] != nullptr;
+        bool hasTessEvaluation = shaders[ShaderType::TessEvaluation] != nullptr;
+        if (!isSeparable() && (hasTessControl != hasTessEvaluation))
+        {
+            infoLog << "Tessellation control and evaluation shaders must be specified together.";
+            return false;
+        }
+
+        Shader *geometryShader = shaders[ShaderType::Geometry];
+        if (shaders[ShaderType::Geometry])
+        {
+            // [GL_EXT_geometry_shader] Chapter 7
+            // Linking can fail for a variety of reasons as specified in the OpenGL ES Shading
+            // Language Specification, as well as any of the following reasons:
+            // * One or more of the shader objects attached to <program> are not compiled
+            //   successfully.
+            // * The shaders do not use the same shader language version.
+            // * <program> contains objects to form a geometry shader, and
+            //   - <program> is not separable and contains no objects to form a vertex shader; or
+            //   - the input primitive type, output primitive type, or maximum output vertex count
+            //     is not specified in the compiled geometry shader object.
+            ASSERT(geometryShader->getType() == ShaderType::Geometry);
+
+            Optional<PrimitiveMode> inputPrimitive =
+                geometryShader->getGeometryShaderInputPrimitiveType(context);
+            if (!inputPrimitive.valid())
+            {
+                infoLog << "Input primitive type is not specified in the geometry shader.";
+                return false;
+            }
+
+            Optional<PrimitiveMode> outputPrimitive =
+                geometryShader->getGeometryShaderOutputPrimitiveType(context);
+            if (!outputPrimitive.valid())
+            {
+                infoLog << "Output primitive type is not specified in the geometry shader.";
+                return false;
+            }
+
+            Optional<GLint> maxVertices = geometryShader->getGeometryShaderMaxVertices(context);
+            if (!maxVertices.valid())
+            {
+                infoLog << "'max_vertices' is not specified in the geometry shader.";
+                return false;
+            }
+
+            mState.mExecutable->mGeometryShaderInputPrimitiveType  = inputPrimitive.value();
+            mState.mExecutable->mGeometryShaderOutputPrimitiveType = outputPrimitive.value();
+            mState.mExecutable->mGeometryShaderMaxVertices         = maxVertices.value();
+            mState.mExecutable->mGeometryShaderInvocations =
+                geometryShader->getGeometryShaderInvocations(context);
+        }
+
+        Shader *tessControlShader = shaders[ShaderType::TessControl];
+        if (tessControlShader)
+        {
+            int tcsShaderVertices = tessControlShader->getTessControlShaderVertices(context);
+            if (tcsShaderVertices == 0)
+            {
+                // In tessellation control shader, output vertices should be specified at least
+                // once.
+                // > GLSL ES Version 3.20.6 spec:
+                // > 4.4.2. Output Layout Qualifiers
+                // > Tessellation Control Outputs
+                // > ...
+                // > There must be at least one layout qualifier specifying an output patch vertex
+                // > count in any program containing a tessellation control shader.
+                infoLog << "In Tessellation Control Shader, at least one layout qualifier "
+                           "specifying an output patch vertex count must exist.";
+                return false;
+            }
+
+            mState.mExecutable->mTessControlShaderVertices = tcsShaderVertices;
+        }
+
+        Shader *tessEvaluationShader = shaders[ShaderType::TessEvaluation];
+        if (tessEvaluationShader)
+        {
+            GLenum tesPrimitiveMode = tessEvaluationShader->getTessGenMode(context);
+            if (tesPrimitiveMode == 0)
+            {
+                // In tessellation evaluation shader, a primitive mode should be specified at least
+                // once.
+                // > GLSL ES Version 3.20.6 spec:
+                // > 4.4.1. Input Layout Qualifiers
+                // > Tessellation Evaluation Inputs
+                // > ...
+                // > The tessellation evaluation shader object in a program must declare a primitive
+                // > mode in its input layout. Declaring vertex spacing, ordering, or point mode
+                // > identifiers is optional.
+                infoLog << "The Tessellation Evaluation Shader object in a program must declare a "
+                           "primitive mode in its input layout.";
+                return false;
+            }
+
+            mState.mExecutable->mTessGenMode    = tesPrimitiveMode;
+            mState.mExecutable->mTessGenSpacing = tessEvaluationShader->getTessGenSpacing(context);
+            mState.mExecutable->mTessGenVertexOrder =
+                tessEvaluationShader->getTessGenVertexOrder(context);
+            mState.mExecutable->mTessGenPointMode =
+                tessEvaluationShader->getTessGenPointMode(context);
+        }
+    }
+
+    return true;
+}
+
+GLuint Program::getTransformFeedbackVaryingResourceIndex(const GLchar *name) const
+{
+    ASSERT(!mLinkingState);
+    for (GLuint tfIndex = 0; tfIndex < mState.mExecutable->mLinkedTransformFeedbackVaryings.size();
+         ++tfIndex)
+    {
+        const auto &tf = mState.mExecutable->mLinkedTransformFeedbackVaryings[tfIndex];
+        if (tf.nameWithArrayIndex() == name)
+        {
+            return tfIndex;
+        }
+    }
+    return GL_INVALID_INDEX;
+}
+
+const TransformFeedbackVarying &Program::getTransformFeedbackVaryingResource(GLuint index) const
+{
+    ASSERT(!mLinkingState);
+    ASSERT(index < mState.mExecutable->mLinkedTransformFeedbackVaryings.size());
+    return mState.mExecutable->mLinkedTransformFeedbackVaryings[index];
+}
+
+bool Program::hasDrawIDUniform() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mDrawIDLocation >= 0;
+}
+
+void Program::setDrawIDUniform(GLint drawid)
+{
+    ASSERT(!mLinkingState);
+    ASSERT(mState.mDrawIDLocation >= 0);
+    mProgram->setUniform1iv(mState.mDrawIDLocation, 1, &drawid);
+}
+
+bool Program::hasBaseVertexUniform() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mBaseVertexLocation >= 0;
+}
+
+void Program::setBaseVertexUniform(GLint baseVertex)
+{
+    ASSERT(!mLinkingState);
+    ASSERT(mState.mBaseVertexLocation >= 0);
+    if (baseVertex == mState.mCachedBaseVertex)
+    {
+        return;
+    }
+    mState.mCachedBaseVertex = baseVertex;
+    mProgram->setUniform1iv(mState.mBaseVertexLocation, 1, &baseVertex);
+}
+
+bool Program::hasBaseInstanceUniform() const
+{
+    ASSERT(!mLinkingState);
+    return mState.mBaseInstanceLocation >= 0;
+}
+
+void Program::setBaseInstanceUniform(GLuint baseInstance)
+{
+    ASSERT(!mLinkingState);
+    ASSERT(mState.mBaseInstanceLocation >= 0);
+    if (baseInstance == mState.mCachedBaseInstance)
+    {
+        return;
+    }
+    mState.mCachedBaseInstance = baseInstance;
+    GLint baseInstanceInt      = baseInstance;
+    mProgram->setUniform1iv(mState.mBaseInstanceLocation, 1, &baseInstanceInt);
+}
+
+bool Program::linkVaryings(const Context *context, InfoLog &infoLog) const
+{
+    ShaderType previousShaderType = ShaderType::InvalidEnum;
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        Shader *currentShader = mState.mAttachedShaders[shaderType];
+        if (!currentShader)
+        {
+            continue;
+        }
+
+        if (previousShaderType != ShaderType::InvalidEnum)
+        {
+            Shader *previousShader = mState.mAttachedShaders[previousShaderType];
+            const std::vector<sh::ShaderVariable> &outputVaryings =
+                previousShader->getOutputVaryings(context);
+
+            if (!LinkValidateShaderInterfaceMatching(
+                    outputVaryings, currentShader->getInputVaryings(context), previousShaderType,
+                    currentShader->getType(), previousShader->getShaderVersion(context),
+                    currentShader->getShaderVersion(context), isSeparable(), infoLog))
+            {
+                return false;
+            }
+        }
+        previousShaderType = currentShader->getType();
+    }
+
+    // TODO: http://anglebug.com/3571 and http://anglebug.com/3572
+    // Need to move logic of validating builtin varyings inside the for-loop above.
+    // This is because the built-in symbols `gl_ClipDistance` and `gl_CullDistance`
+    // can be redeclared in Geometry or Tessellation shaders as well.
+    Shader *vertexShader   = mState.mAttachedShaders[ShaderType::Vertex];
+    Shader *fragmentShader = mState.mAttachedShaders[ShaderType::Fragment];
+    if (vertexShader && fragmentShader &&
+        !LinkValidateBuiltInVaryings(vertexShader->getOutputVaryings(context),
+                                     fragmentShader->getInputVaryings(context),
+                                     vertexShader->getType(), fragmentShader->getType(),
+                                     vertexShader->getShaderVersion(context),
+                                     fragmentShader->getShaderVersion(context), infoLog))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool Program::linkUniforms(const Context *context,
+                           std::vector<UnusedUniform> *unusedUniformsOutOrNull,
+                           GLuint *combinedImageUniformsOut,
+                           InfoLog &infoLog)
+{
+    // Initialize executable shader map.
+    ShaderMap<std::vector<sh::ShaderVariable>> shaderUniforms;
+    for (Shader *shader : mState.mAttachedShaders)
+    {
+        if (shader)
+        {
+            shaderUniforms[shader->getType()] = shader->getUniforms(context);
+        }
+    }
+
+    if (!mState.mExecutable->linkUniforms(context, shaderUniforms, infoLog,
+                                          mState.mUniformLocationBindings, combinedImageUniformsOut,
+                                          unusedUniformsOutOrNull, &mState.mUniformLocations))
+    {
+        return false;
+    }
+
+    if (context->getClientVersion() >= Version(3, 1))
+    {
+        GLint locationSize = static_cast<GLint>(mState.getUniformLocations().size());
+
+        if (locationSize > context->getCaps().maxUniformLocations)
+        {
+            infoLog << "Exceeded maximum uniform location size";
+            return false;
+        }
+    }
+
+    return true;
+}
+
+// Assigns locations to all attributes (except built-ins) from the bindings and program locations.
+bool Program::linkAttributes(const Context *context, InfoLog &infoLog)
+{
+    const Caps &caps               = context->getCaps();
+    const Limitations &limitations = context->getLimitations();
+    bool webglCompatibility        = context->isWebGL();
+    int shaderVersion              = -1;
+    unsigned int usedLocations     = 0;
+
+    Shader *vertexShader = mState.getAttachedShader(gl::ShaderType::Vertex);
+
+    if (!vertexShader)
+    {
+        // No vertex shader, so no attributes, so nothing to do
+        return true;
+    }
+
+    shaderVersion = vertexShader->getShaderVersion(context);
+    if (shaderVersion >= 300)
+    {
+        // In GLSL ES 3.00.6, aliasing checks should be done with all declared attributes -
+        // see GLSL ES 3.00.6 section 12.46. Inactive attributes will be pruned after
+        // aliasing checks.
+        mState.mExecutable->mProgramInputs = vertexShader->getAllAttributes(context);
+    }
+    else
+    {
+        // In GLSL ES 1.00.17 we only do aliasing checks for active attributes.
+        mState.mExecutable->mProgramInputs = vertexShader->getActiveAttributes(context);
+    }
+
+    GLuint maxAttribs = static_cast<GLuint>(caps.maxVertexAttributes);
+    std::vector<sh::ShaderVariable *> usedAttribMap(maxAttribs, nullptr);
+
+    // Assign locations to attributes that have a binding location and check for attribute aliasing.
+    for (sh::ShaderVariable &attribute : mState.mExecutable->mProgramInputs)
+    {
+        // GLSL ES 3.10 January 2016 section 4.3.4: Vertex shader inputs can't be arrays or
+        // structures, so we don't need to worry about adjusting their names or generating entries
+        // for each member/element (unlike uniforms for example).
+        ASSERT(!attribute.isArray() && !attribute.isStruct());
+
+        int bindingLocation = mAttributeBindings.getBinding(attribute);
+        if (attribute.location == -1 && bindingLocation != -1)
+        {
+            attribute.location = bindingLocation;
+        }
+
+        if (attribute.location != -1)
+        {
+            // Location is set by glBindAttribLocation or by location layout qualifier
+            const int regs = VariableRegisterCount(attribute.type);
+
+            if (static_cast<GLuint>(regs + attribute.location) > maxAttribs)
+            {
+                infoLog << "Attribute (" << attribute.name << ") at location " << attribute.location
+                        << " is too big to fit";
+
+                return false;
+            }
+
+            for (int reg = 0; reg < regs; reg++)
+            {
+                const int regLocation               = attribute.location + reg;
+                sh::ShaderVariable *linkedAttribute = usedAttribMap[regLocation];
+
+                // In GLSL ES 3.00.6 and in WebGL, attribute aliasing produces a link error.
+                // In non-WebGL GLSL ES 1.00.17, attribute aliasing is allowed with some
+                // restrictions - see GLSL ES 1.00.17 section 2.10.4, but ANGLE currently has a bug.
+                // In D3D 9 and 11, aliasing is not supported, so check a limitation.
+                if (linkedAttribute)
+                {
+                    if (shaderVersion >= 300 || webglCompatibility ||
+                        limitations.noVertexAttributeAliasing)
+                    {
+                        infoLog << "Attribute '" << attribute.name << "' aliases attribute '"
+                                << linkedAttribute->name << "' at location " << regLocation;
+                        return false;
+                    }
+                }
+                else
+                {
+                    usedAttribMap[regLocation] = &attribute;
+                }
+
+                usedLocations |= 1 << regLocation;
+            }
+        }
+    }
+
+    // Assign locations to attributes that don't have a binding location.
+    for (sh::ShaderVariable &attribute : mState.mExecutable->mProgramInputs)
+    {
+        // Not set by glBindAttribLocation or by location layout qualifier
+        if (attribute.location == -1)
+        {
+            int regs           = VariableRegisterCount(attribute.type);
+            int availableIndex = AllocateFirstFreeBits(&usedLocations, regs, maxAttribs);
+
+            if (availableIndex == -1 || static_cast<GLuint>(availableIndex + regs) > maxAttribs)
+            {
+                infoLog << "Too many attributes (" << attribute.name << ")";
+                return false;
+            }
+
+            attribute.location = availableIndex;
+        }
+    }
+
+    ASSERT(mState.mExecutable->mAttributesTypeMask.none());
+    ASSERT(mState.mExecutable->mAttributesMask.none());
+
+    // Prune inactive attributes. This step is only needed on shaderVersion >= 300 since on earlier
+    // shader versions we're only processing active attributes to begin with.
+    if (shaderVersion >= 300)
+    {
+        for (auto attributeIter = mState.mExecutable->getProgramInputs().begin();
+             attributeIter != mState.mExecutable->getProgramInputs().end();)
+        {
+            if (attributeIter->active)
+            {
+                ++attributeIter;
+            }
+            else
+            {
+                attributeIter = mState.mExecutable->mProgramInputs.erase(attributeIter);
+            }
+        }
+    }
+
+    for (const sh::ShaderVariable &attribute : mState.mExecutable->getProgramInputs())
+    {
+        ASSERT(attribute.active);
+        ASSERT(attribute.location != -1);
+        unsigned int regs = static_cast<unsigned int>(VariableRegisterCount(attribute.type));
+
+        unsigned int location = static_cast<unsigned int>(attribute.location);
+        for (unsigned int r = 0; r < regs; r++)
+        {
+            // Built-in active program inputs don't have a bound attribute.
+            if (!attribute.isBuiltIn())
+            {
+                mState.mExecutable->mActiveAttribLocationsMask.set(location);
+                mState.mExecutable->mMaxActiveAttribLocation =
+                    std::max(mState.mExecutable->mMaxActiveAttribLocation, location + 1);
+
+                ComponentType componentType =
+                    GLenumToComponentType(VariableComponentType(attribute.type));
+
+                SetComponentTypeMask(componentType, location,
+                                     &mState.mExecutable->mAttributesTypeMask);
+                mState.mExecutable->mAttributesMask.set(location);
+
+                location++;
+            }
+        }
+    }
+
+    return true;
+}
+
+void Program::setUniformValuesFromBindingQualifiers()
+{
+    for (unsigned int samplerIndex : mState.mExecutable->getSamplerUniformRange())
+    {
+        const auto &samplerUniform = mState.mExecutable->getUniforms()[samplerIndex];
+        if (samplerUniform.binding != -1)
+        {
+            UniformLocation location = getUniformLocation(samplerUniform.name);
+            ASSERT(location.value != -1);
+            std::vector<GLint> boundTextureUnits;
+            for (unsigned int elementIndex = 0;
+                 elementIndex < samplerUniform.getBasicTypeElementCount(); ++elementIndex)
+            {
+                boundTextureUnits.push_back(samplerUniform.binding + elementIndex);
+            }
+
+            // Here we pass nullptr to avoid a large chain of calls that need a non-const Context.
+            // We know it's safe not to notify the Context because this is only called after link.
+            setUniform1iv(nullptr, location, static_cast<GLsizei>(boundTextureUnits.size()),
+                          boundTextureUnits.data());
+        }
+    }
+}
+
+void Program::initInterfaceBlockBindings()
+{
+    // Set initial bindings from shader.
+    for (unsigned int blockIndex = 0; blockIndex < mState.mExecutable->getActiveUniformBlockCount();
+         blockIndex++)
+    {
+        InterfaceBlock &uniformBlock = mState.mExecutable->mUniformBlocks[blockIndex];
+        bindUniformBlock({blockIndex}, uniformBlock.binding);
+    }
+}
+
+void Program::updateSamplerUniform(Context *context,
+                                   const VariableLocation &locationInfo,
+                                   GLsizei clampedCount,
+                                   const GLint *v)
+{
+    ASSERT(mState.isSamplerUniformIndex(locationInfo.index));
+    GLuint samplerIndex            = mState.getSamplerIndexFromUniformIndex(locationInfo.index);
+    SamplerBinding &samplerBinding = mState.mExecutable->mSamplerBindings[samplerIndex];
+    std::vector<GLuint> &boundTextureUnits = samplerBinding.boundTextureUnits;
+
+    if (locationInfo.arrayIndex >= boundTextureUnits.size())
+    {
+        return;
+    }
+    GLsizei safeUniformCount = std::min(
+        clampedCount, static_cast<GLsizei>(boundTextureUnits.size() - locationInfo.arrayIndex));
+
+    // Update the sampler uniforms.
+    for (GLsizei arrayIndex = 0; arrayIndex < safeUniformCount; ++arrayIndex)
+    {
+        GLint oldTextureUnit = boundTextureUnits[arrayIndex + locationInfo.arrayIndex];
+        GLint newTextureUnit = v[arrayIndex];
+
+        if (oldTextureUnit == newTextureUnit)
+        {
+            continue;
+        }
+
+        // Update sampler's bound textureUnit
+        boundTextureUnits[arrayIndex + locationInfo.arrayIndex] = newTextureUnit;
+
+        // Update the reference counts.
+        uint32_t &oldRefCount = mState.mExecutable->mActiveSamplerRefCounts[oldTextureUnit];
+        uint32_t &newRefCount = mState.mExecutable->mActiveSamplerRefCounts[newTextureUnit];
+        ASSERT(oldRefCount > 0);
+        ASSERT(newRefCount < std::numeric_limits<uint32_t>::max());
+        oldRefCount--;
+        newRefCount++;
+
+        // Check for binding type change.
+        TextureType newSamplerType     = mState.mExecutable->mActiveSamplerTypes[newTextureUnit];
+        TextureType oldSamplerType     = mState.mExecutable->mActiveSamplerTypes[oldTextureUnit];
+        SamplerFormat newSamplerFormat = mState.mExecutable->mActiveSamplerFormats[newTextureUnit];
+        SamplerFormat oldSamplerFormat = mState.mExecutable->mActiveSamplerFormats[oldTextureUnit];
+        bool newSamplerYUV             = mState.mExecutable->mActiveSamplerYUV.test(newTextureUnit);
+
+        if (newRefCount == 1)
+        {
+            mState.mExecutable->setActive(newTextureUnit, samplerBinding,
+                                          mState.mExecutable->getUniforms()[locationInfo.index]);
+        }
+        else
+        {
+            if (newSamplerType != samplerBinding.textureType ||
+                newSamplerYUV != IsSamplerYUVType(samplerBinding.samplerType))
+            {
+                mState.mExecutable->hasSamplerTypeConflict(newTextureUnit);
+            }
+
+            if (newSamplerFormat != samplerBinding.format)
+            {
+                mState.mExecutable->hasSamplerFormatConflict(newTextureUnit);
+            }
+        }
+
+        // Unset previously active sampler.
+        if (oldRefCount == 0)
+        {
+            mState.mExecutable->setInactive(oldTextureUnit);
+        }
+        else
+        {
+            if (oldSamplerType == TextureType::InvalidEnum ||
+                oldSamplerFormat == SamplerFormat::InvalidEnum)
+            {
+                // Previous conflict. Check if this new change fixed the conflict.
+                mState.setSamplerUniformTextureTypeAndFormat(oldTextureUnit);
+            }
+        }
+
+        // Update the observing PPO's executable, if any.
+        // Do this before any of the Context work, since that uses the current ProgramExecutable,
+        // which will be the PPO's if this Program is bound to it, rather than this Program's.
+        if (isSeparable())
+        {
+            onStateChange(angle::SubjectMessage::ProgramTextureOrImageBindingChanged);
+        }
+
+        // Notify context.
+        if (context)
+        {
+            context->onSamplerUniformChange(newTextureUnit);
+            context->onSamplerUniformChange(oldTextureUnit);
+        }
+    }
+
+    // Invalidate the validation cache.
+    getExecutable().resetCachedValidateSamplersResult();
+    // Inform any PPOs this Program may be bound to.
+    onStateChange(angle::SubjectMessage::SamplerUniformsUpdated);
+}
+
+void ProgramState::setSamplerUniformTextureTypeAndFormat(size_t textureUnitIndex)
+{
+    mExecutable->setSamplerUniformTextureTypeAndFormat(textureUnitIndex,
+                                                       mExecutable->mSamplerBindings);
+}
+
+template <typename T>
+GLsizei Program::clampUniformCount(const VariableLocation &locationInfo,
+                                   GLsizei count,
+                                   int vectorSize,
+                                   const T *v)
+{
+    if (count == 1)
+        return 1;
+
+    const LinkedUniform &linkedUniform = mState.mExecutable->getUniforms()[locationInfo.index];
+
+    // OpenGL ES 3.0.4 spec pg 67: "Values for any array element that exceeds the highest array
+    // element index used, as reported by GetActiveUniform, will be ignored by the GL."
+    unsigned int remainingElements =
+        linkedUniform.getBasicTypeElementCount() - locationInfo.arrayIndex;
+    GLsizei maxElementCount =
+        static_cast<GLsizei>(remainingElements * linkedUniform.getElementComponents());
+
+    if (count * vectorSize > maxElementCount)
+    {
+        return maxElementCount / vectorSize;
+    }
+
+    return count;
+}
+
+template <size_t cols, size_t rows, typename T>
+GLsizei Program::clampMatrixUniformCount(UniformLocation location,
+                                         GLsizei count,
+                                         GLboolean transpose,
+                                         const T *v)
+{
+    const VariableLocation &locationInfo = mState.mUniformLocations[location.value];
+
+    if (!transpose)
+    {
+        return clampUniformCount(locationInfo, count, cols * rows, v);
+    }
+
+    const LinkedUniform &linkedUniform = mState.mExecutable->getUniforms()[locationInfo.index];
+
+    // OpenGL ES 3.0.4 spec pg 67: "Values for any array element that exceeds the highest array
+    // element index used, as reported by GetActiveUniform, will be ignored by the GL."
+    unsigned int remainingElements =
+        linkedUniform.getBasicTypeElementCount() - locationInfo.arrayIndex;
+    return std::min(count, static_cast<GLsizei>(remainingElements));
+}
+
+// Driver differences mean that doing the uniform value cast ourselves gives consistent results.
+// EG: on NVIDIA drivers, it was observed that getUniformi for MAX_INT+1 returned MIN_INT.
+template <typename DestT>
+void Program::getUniformInternal(const Context *context,
+                                 DestT *dataOut,
+                                 UniformLocation location,
+                                 GLenum nativeType,
+                                 int components) const
+{
+    switch (nativeType)
+    {
+        case GL_BOOL:
+        {
+            GLint tempValue[16] = {0};
+            mProgram->getUniformiv(context, location.value, tempValue);
+            UniformStateQueryCastLoop<GLboolean>(
+                dataOut, reinterpret_cast<const uint8_t *>(tempValue), components);
+            break;
+        }
+        case GL_INT:
+        {
+            GLint tempValue[16] = {0};
+            mProgram->getUniformiv(context, location.value, tempValue);
+            UniformStateQueryCastLoop<GLint>(dataOut, reinterpret_cast<const uint8_t *>(tempValue),
+                                             components);
+            break;
+        }
+        case GL_UNSIGNED_INT:
+        {
+            GLuint tempValue[16] = {0};
+            mProgram->getUniformuiv(context, location.value, tempValue);
+            UniformStateQueryCastLoop<GLuint>(dataOut, reinterpret_cast<const uint8_t *>(tempValue),
+                                              components);
+            break;
+        }
+        case GL_FLOAT:
+        {
+            GLfloat tempValue[16] = {0};
+            mProgram->getUniformfv(context, location.value, tempValue);
+            UniformStateQueryCastLoop<GLfloat>(
+                dataOut, reinterpret_cast<const uint8_t *>(tempValue), components);
+            break;
+        }
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+angle::Result Program::syncState(const Context *context)
+{
+    if (mDirtyBits.any())
+    {
+        ASSERT(!mLinkingState);
+        ANGLE_TRY(mProgram->syncState(context, mDirtyBits));
+        mDirtyBits.reset();
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Program::serialize(const Context *context, angle::MemoryBuffer *binaryOut) const
+{
+    BinaryOutputStream stream;
+
+    stream.writeBytes(reinterpret_cast<const unsigned char *>(angle::GetANGLECommitHash()),
+                      angle::GetANGLECommitHashSize());
+
+    // nullptr context is supported when computing binary length.
+    if (context)
+    {
+        stream.writeInt(context->getClientVersion().major);
+        stream.writeInt(context->getClientVersion().minor);
+    }
+    else
+    {
+        stream.writeInt(2);
+        stream.writeInt(0);
+    }
+
+    // Must be before mExecutable->save(), since it uses the value.
+    stream.writeBool(mState.mSeparable);
+
+    mState.mExecutable->save(mState.mSeparable, &stream);
+
+    const auto &computeLocalSize = mState.getComputeShaderLocalSize();
+
+    stream.writeInt(computeLocalSize[0]);
+    stream.writeInt(computeLocalSize[1]);
+    stream.writeInt(computeLocalSize[2]);
+
+    stream.writeInt(mState.mNumViews);
+    stream.writeInt(mState.mSpecConstUsageBits.bits());
+
+    stream.writeInt(mState.getUniformLocations().size());
+    for (const auto &variable : mState.getUniformLocations())
+    {
+        stream.writeInt(variable.arrayIndex);
+        stream.writeIntOrNegOne(variable.index);
+        stream.writeBool(variable.ignored);
+    }
+
+    stream.writeInt(mState.getBufferVariables().size());
+    for (const BufferVariable &bufferVariable : mState.getBufferVariables())
+    {
+        WriteBufferVariable(&stream, bufferVariable);
+    }
+
+    // Warn the app layer if saving a binary with unsupported transform feedback.
+    if (!mState.getLinkedTransformFeedbackVaryings().empty() &&
+        context->getFrontendFeatures().disableProgramCachingForTransformFeedback.enabled)
+    {
+        ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                           "Saving program binary with transform feedback, which is not supported "
+                           "on this driver.");
+    }
+
+    if (context->getShareGroup()->getFrameCaptureShared()->enabled())
+    {
+        // Serialize the source for each stage for re-use during capture
+        for (ShaderType shaderType : mState.mExecutable->getLinkedShaderStages())
+        {
+            gl::Shader *shader = getAttachedShader(shaderType);
+            if (shader)
+            {
+                stream.writeString(shader->getSourceString());
+            }
+            else
+            {
+                // If we don't have an attached shader, which would occur if this program was
+                // created via glProgramBinary, pull from our cached copy
+                const angle::ProgramSources &cachedLinkedSources =
+                    context->getShareGroup()->getFrameCaptureShared()->getProgramSources(id());
+                const std::string &cachedSourceString = cachedLinkedSources[shaderType];
+                ASSERT(!cachedSourceString.empty());
+                stream.writeString(cachedSourceString.c_str());
+            }
+        }
+    }
+
+    mProgram->save(context, &stream);
+
+    ASSERT(binaryOut);
+    if (!binaryOut->resize(stream.length()))
+    {
+        std::stringstream sstream;
+        sstream << "Failed to allocate enough memory to serialize a program. (" << stream.length()
+                << " bytes )";
+        ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                           sstream.str().c_str());
+        return angle::Result::Incomplete;
+    }
+    memcpy(binaryOut->data(), stream.data(), stream.length());
+    return angle::Result::Continue;
+}
+
+angle::Result Program::deserialize(const Context *context,
+                                   BinaryInputStream &stream,
+                                   InfoLog &infoLog)
+{
+    std::vector<uint8_t> commitString(angle::GetANGLECommitHashSize(), 0);
+    stream.readBytes(commitString.data(), commitString.size());
+    if (memcmp(commitString.data(), angle::GetANGLECommitHash(), commitString.size()) != 0)
+    {
+        infoLog << "Invalid program binary version.";
+        return angle::Result::Stop;
+    }
+
+    int majorVersion = stream.readInt<int>();
+    int minorVersion = stream.readInt<int>();
+    if (majorVersion != context->getClientMajorVersion() ||
+        minorVersion != context->getClientMinorVersion())
+    {
+        infoLog << "Cannot load program binaries across different ES context versions.";
+        return angle::Result::Stop;
+    }
+
+    // Must be before mExecutable->load(), since it uses the value.
+    mState.mSeparable = stream.readBool();
+
+    mState.mExecutable->load(mState.mSeparable, &stream);
+
+    mState.mComputeShaderLocalSize[0] = stream.readInt<int>();
+    mState.mComputeShaderLocalSize[1] = stream.readInt<int>();
+    mState.mComputeShaderLocalSize[2] = stream.readInt<int>();
+
+    mState.mNumViews = stream.readInt<int>();
+
+    static_assert(sizeof(mState.mSpecConstUsageBits.bits()) == sizeof(uint32_t));
+    mState.mSpecConstUsageBits = rx::SpecConstUsageBits(stream.readInt<uint32_t>());
+
+    const size_t uniformIndexCount = stream.readInt<size_t>();
+    ASSERT(mState.mUniformLocations.empty());
+    for (size_t uniformIndexIndex = 0; uniformIndexIndex < uniformIndexCount; ++uniformIndexIndex)
+    {
+        VariableLocation variable;
+        stream.readInt(&variable.arrayIndex);
+        stream.readInt(&variable.index);
+        stream.readBool(&variable.ignored);
+
+        mState.mUniformLocations.push_back(variable);
+    }
+
+    size_t bufferVariableCount = stream.readInt<size_t>();
+    ASSERT(mState.mBufferVariables.empty());
+    for (size_t bufferVarIndex = 0; bufferVarIndex < bufferVariableCount; ++bufferVarIndex)
+    {
+        BufferVariable bufferVariable;
+        LoadBufferVariable(&stream, &bufferVariable);
+        mState.mBufferVariables.push_back(bufferVariable);
+    }
+
+    static_assert(static_cast<unsigned long>(ShaderType::EnumCount) <= sizeof(unsigned long) * 8,
+                  "Too many shader types");
+
+    // Reject programs that use transform feedback varyings if the hardware cannot support them.
+    if (mState.mExecutable->getLinkedTransformFeedbackVaryings().size() > 0 &&
+        context->getFrontendFeatures().disableProgramCachingForTransformFeedback.enabled)
+    {
+        infoLog << "Current driver does not support transform feedback in binary programs.";
+        return angle::Result::Stop;
+    }
+
+    if (!mState.mAttachedShaders[ShaderType::Compute])
+    {
+        mState.mExecutable->updateTransformFeedbackStrides();
+    }
+
+    postResolveLink(context);
+    mState.mExecutable->updateCanDrawWith();
+
+    if (context->getShareGroup()->getFrameCaptureShared()->enabled())
+    {
+        // Extract the source for each stage from the program binary
+        angle::ProgramSources sources;
+
+        for (ShaderType shaderType : mState.mExecutable->getLinkedShaderStages())
+        {
+            std::string shaderSource = stream.readString();
+            ASSERT(shaderSource.length() > 0);
+            sources[shaderType] = std::move(shaderSource);
+        }
+
+        // Store it for use during mid-execution capture
+        context->getShareGroup()->getFrameCaptureShared()->setProgramSources(id(),
+                                                                             std::move(sources));
+    }
+
+    return angle::Result::Continue;
+}
+
+void Program::postResolveLink(const gl::Context *context)
+{
+    mState.updateActiveSamplers();
+    mState.mExecutable->mActiveImageShaderBits.fill({});
+    mState.mExecutable->updateActiveImages(getExecutable());
+
+    setUniformValuesFromBindingQualifiers();
+
+    if (context->getExtensions().multiDrawANGLE)
+    {
+        mState.mDrawIDLocation = getUniformLocation("gl_DrawID").value;
+    }
+
+    if (context->getExtensions().baseVertexBaseInstanceShaderBuiltinANGLE)
+    {
+        mState.mBaseVertexLocation   = getUniformLocation("gl_BaseVertex").value;
+        mState.mBaseInstanceLocation = getUniformLocation("gl_BaseInstance").value;
+    }
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Program.h b/gfx/angle/checkout/src/libANGLE/Program.h
new file mode 100644
index 0000000000..0b7b62480b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Program.h
@@ -0,0 +1,897 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Program.h: Defines the gl::Program class. Implements GL program objects
+// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
+
+#ifndef LIBANGLE_PROGRAM_H_
+#define LIBANGLE_PROGRAM_H_
+
+#include <GLES2/gl2.h>
+#include <GLSLANG/ShaderVars.h>
+
+#include <array>
+#include <map>
+#include <set>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "common/Optional.h"
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "common/utilities.h"
+
+#include "libANGLE/Constants.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/InfoLog.h"
+#include "libANGLE/ProgramExecutable.h"
+#include "libANGLE/ProgramLinkedResources.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+class GLImplFactory;
+class ProgramImpl;
+struct TranslatedAttribute;
+}  // namespace rx
+
+namespace gl
+{
+class Buffer;
+class BinaryInputStream;
+class BinaryOutputStream;
+struct Caps;
+class Context;
+struct Extensions;
+class Framebuffer;
+class ProgramExecutable;
+class Shader;
+class ShaderProgramManager;
+class State;
+struct UnusedUniform;
+struct Version;
+
+extern const char *const g_fakepath;
+
+enum class LinkMismatchError
+{
+    // Shared
+    NO_MISMATCH,
+    TYPE_MISMATCH,
+    ARRAYNESS_MISMATCH,
+    ARRAY_SIZE_MISMATCH,
+    PRECISION_MISMATCH,
+    STRUCT_NAME_MISMATCH,
+    FIELD_NUMBER_MISMATCH,
+    FIELD_NAME_MISMATCH,
+
+    // Varying specific
+    INTERPOLATION_TYPE_MISMATCH,
+    INVARIANCE_MISMATCH,
+
+    // Uniform specific
+    BINDING_MISMATCH,
+    LOCATION_MISMATCH,
+    OFFSET_MISMATCH,
+    INSTANCE_NAME_MISMATCH,
+    FORMAT_MISMATCH,
+
+    // Interface block specific
+    LAYOUT_QUALIFIER_MISMATCH,
+    MATRIX_PACKING_MISMATCH,
+
+    // I/O block specific
+    FIELD_LOCATION_MISMATCH,
+    FIELD_STRUCT_NAME_MISMATCH,
+};
+
+void LogLinkMismatch(InfoLog &infoLog,
+                     const std::string &variableName,
+                     const char *variableType,
+                     LinkMismatchError linkError,
+                     const std::string &mismatchedStructOrBlockFieldName,
+                     ShaderType shaderType1,
+                     ShaderType shaderType2);
+
+bool IsActiveInterfaceBlock(const sh::InterfaceBlock &interfaceBlock);
+
+void WriteBlockMemberInfo(BinaryOutputStream *stream, const sh::BlockMemberInfo &var);
+void LoadBlockMemberInfo(BinaryInputStream *stream, sh::BlockMemberInfo *var);
+
+void WriteShaderVar(BinaryOutputStream *stream, const sh::ShaderVariable &var);
+void LoadShaderVar(BinaryInputStream *stream, sh::ShaderVariable *var);
+
+void WriteInterfaceBlock(BinaryOutputStream *stream, const InterfaceBlock &block);
+void LoadInterfaceBlock(BinaryInputStream *stream, InterfaceBlock *block);
+
+void WriteShInterfaceBlock(BinaryOutputStream *stream, const sh::InterfaceBlock &block);
+void LoadShInterfaceBlock(BinaryInputStream *stream, sh::InterfaceBlock *block);
+
+void WriteShaderVariableBuffer(BinaryOutputStream *stream, const ShaderVariableBuffer &var);
+void LoadShaderVariableBuffer(BinaryInputStream *stream, ShaderVariableBuffer *var);
+
+// Struct used for correlating uniforms/elements of uniform arrays to handles
+struct VariableLocation
+{
+    static constexpr unsigned int kUnused = GL_INVALID_INDEX;
+
+    VariableLocation();
+    VariableLocation(unsigned int arrayIndex, unsigned int index);
+
+    // If used is false, it means this location is only used to fill an empty space in an array,
+    // and there is no corresponding uniform variable for this location. It can also mean the
+    // uniform was optimized out by the implementation.
+    bool used() const { return (index != kUnused); }
+    void markUnused() { index = kUnused; }
+    void markIgnored() { ignored = true; }
+
+    bool operator==(const VariableLocation &other) const
+    {
+        return arrayIndex == other.arrayIndex && index == other.index;
+    }
+
+    // "arrayIndex" stores the index of the innermost GLSL array. It's zero for non-arrays.
+    unsigned int arrayIndex;
+    // "index" is an index of the variable. The variable contains the indices for other than the
+    // innermost GLSL arrays.
+    unsigned int index;
+
+    // If this location was bound to an unreferenced uniform.  Setting data on this uniform is a
+    // no-op.
+    bool ignored;
+};
+
+// Information about a variable binding.
+// Currently used by CHROMIUM_path_rendering
+struct BindingInfo
+{
+    // The type of binding, for example GL_FLOAT_VEC3.
+    // This can be GL_NONE if the variable is optimized away.
+    GLenum type;
+
+    // This is the name of the variable in
+    // the translated shader program. Note that
+    // this can be empty in the case where the
+    // variable has been optimized away.
+    std::string name;
+
+    // True if the binding is valid, otherwise false.
+    bool valid;
+};
+
+struct ProgramBinding
+{
+    ProgramBinding() : location(GL_INVALID_INDEX), aliased(false) {}
+    ProgramBinding(GLuint index) : location(index), aliased(false) {}
+
+    GLuint location;
+    // Whether another binding was set that may potentially alias this.
+    bool aliased;
+};
+
+class ProgramBindings final : angle::NonCopyable
+{
+  public:
+    ProgramBindings();
+    ~ProgramBindings();
+
+    void bindLocation(GLuint index, const std::string &name);
+    int getBindingByName(const std::string &name) const;
+    int getBinding(const sh::ShaderVariable &variable) const;
+
+    using const_iterator = angle::HashMap<std::string, GLuint>::const_iterator;
+    const_iterator begin() const;
+    const_iterator end() const;
+
+    std::map<std::string, GLuint> getStableIterationMap() const;
+
+  private:
+    angle::HashMap<std::string, GLuint> mBindings;
+};
+
+// Uniforms and Fragment Outputs require special treatment due to array notation (e.g., "[0]")
+class ProgramAliasedBindings final : angle::NonCopyable
+{
+  public:
+    ProgramAliasedBindings();
+    ~ProgramAliasedBindings();
+
+    void bindLocation(GLuint index, const std::string &name);
+    int getBindingByName(const std::string &name) const;
+    int getBindingByLocation(GLuint location) const;
+    int getBinding(const sh::ShaderVariable &variable) const;
+
+    using const_iterator = angle::HashMap<std::string, ProgramBinding>::const_iterator;
+    const_iterator begin() const;
+    const_iterator end() const;
+
+    std::map<std::string, ProgramBinding> getStableIterationMap() const;
+
+  private:
+    angle::HashMap<std::string, ProgramBinding> mBindings;
+};
+
+class ProgramState final : angle::NonCopyable
+{
+  public:
+    ProgramState();
+    ~ProgramState();
+
+    const std::string &getLabel();
+
+    Shader *getAttachedShader(ShaderType shaderType) const;
+    const gl::ShaderMap<Shader *> &getAttachedShaders() const { return mAttachedShaders; }
+    const std::vector<std::string> &getTransformFeedbackVaryingNames() const
+    {
+        return mTransformFeedbackVaryingNames;
+    }
+    GLint getTransformFeedbackBufferMode() const
+    {
+        return mExecutable->getTransformFeedbackBufferMode();
+    }
+    GLuint getUniformBlockBinding(GLuint uniformBlockIndex) const
+    {
+        return mExecutable->getUniformBlockBinding(uniformBlockIndex);
+    }
+    GLuint getShaderStorageBlockBinding(GLuint blockIndex) const
+    {
+        return mExecutable->getShaderStorageBlockBinding(blockIndex);
+    }
+    const UniformBlockBindingMask &getActiveUniformBlockBindingsMask() const
+    {
+        return mExecutable->getActiveUniformBlockBindings();
+    }
+    const std::vector<sh::ShaderVariable> &getProgramInputs() const
+    {
+        return mExecutable->getProgramInputs();
+    }
+    const std::vector<sh::ShaderVariable> &getOutputVariables() const
+    {
+        return mExecutable->getOutputVariables();
+    }
+    const std::vector<VariableLocation> &getOutputLocations() const
+    {
+        return mExecutable->getOutputLocations();
+    }
+    const std::vector<VariableLocation> &getSecondaryOutputLocations() const
+    {
+        return mExecutable->getSecondaryOutputLocations();
+    }
+    const std::vector<LinkedUniform> &getUniforms() const { return mExecutable->getUniforms(); }
+    const std::vector<VariableLocation> &getUniformLocations() const { return mUniformLocations; }
+    const std::vector<InterfaceBlock> &getUniformBlocks() const
+    {
+        return mExecutable->getUniformBlocks();
+    }
+    const std::vector<InterfaceBlock> &getShaderStorageBlocks() const
+    {
+        return mExecutable->getShaderStorageBlocks();
+    }
+    const std::vector<BufferVariable> &getBufferVariables() const { return mBufferVariables; }
+    const std::vector<SamplerBinding> &getSamplerBindings() const
+    {
+        return mExecutable->getSamplerBindings();
+    }
+    const std::vector<ImageBinding> &getImageBindings() const
+    {
+        return getExecutable().getImageBindings();
+    }
+    const sh::WorkGroupSize &getComputeShaderLocalSize() const { return mComputeShaderLocalSize; }
+    const RangeUI &getDefaultUniformRange() const { return mExecutable->getDefaultUniformRange(); }
+    const RangeUI &getSamplerUniformRange() const { return mExecutable->getSamplerUniformRange(); }
+    const RangeUI &getImageUniformRange() const { return mExecutable->getImageUniformRange(); }
+    const RangeUI &getAtomicCounterUniformRange() const
+    {
+        return mExecutable->getAtomicCounterUniformRange();
+    }
+    const RangeUI &getFragmentInoutRange() const { return mExecutable->getFragmentInoutRange(); }
+
+    const std::vector<TransformFeedbackVarying> &getLinkedTransformFeedbackVaryings() const
+    {
+        return mExecutable->getLinkedTransformFeedbackVaryings();
+    }
+    const std::vector<GLsizei> &getTransformFeedbackStrides() const
+    {
+        return mExecutable->getTransformFeedbackStrides();
+    }
+    const std::vector<AtomicCounterBuffer> &getAtomicCounterBuffers() const
+    {
+        return mExecutable->getAtomicCounterBuffers();
+    }
+
+    GLuint getUniformIndexFromName(const std::string &name) const;
+    GLuint getUniformIndexFromLocation(UniformLocation location) const;
+    Optional<GLuint> getSamplerIndex(UniformLocation location) const;
+    bool isSamplerUniformIndex(GLuint index) const;
+    GLuint getSamplerIndexFromUniformIndex(GLuint uniformIndex) const;
+    GLuint getUniformIndexFromSamplerIndex(GLuint samplerIndex) const;
+    bool isImageUniformIndex(GLuint index) const;
+    GLuint getImageIndexFromUniformIndex(GLuint uniformIndex) const;
+    GLuint getAttributeLocation(const std::string &name) const;
+
+    GLuint getBufferVariableIndexFromName(const std::string &name) const;
+
+    int getNumViews() const { return mNumViews; }
+    bool usesMultiview() const { return mNumViews != -1; }
+
+    bool hasAttachedShader() const;
+
+    ShaderType getFirstAttachedShaderStageType() const;
+    ShaderType getLastAttachedShaderStageType() const;
+
+    const ProgramAliasedBindings &getUniformLocationBindings() const
+    {
+        return mUniformLocationBindings;
+    }
+
+    const ProgramExecutable &getExecutable() const
+    {
+        ASSERT(mExecutable);
+        return *mExecutable;
+    }
+    ProgramExecutable &getExecutable()
+    {
+        ASSERT(mExecutable);
+        return *mExecutable;
+    }
+
+    bool hasImages() const { return !getImageBindings().empty(); }
+    rx::SpecConstUsageBits getSpecConstUsageBits() const { return mSpecConstUsageBits; }
+
+    // A Program can only either be graphics or compute, but never both, so it
+    // can answer isCompute() based on which shaders it has.
+    bool isCompute() const { return mExecutable->hasLinkedShaderStage(ShaderType::Compute); }
+
+    const std::string &getLabel() const { return mLabel; }
+
+    uint32_t getLocationsUsedForXfbExtension() const { return mLocationsUsedForXfbExtension; }
+
+    bool hasBinaryRetrieveableHint() const { return mBinaryRetrieveableHint; }
+
+    bool isSeparable() const { return mSeparable; }
+
+    int getDrawIDLocation() const { return mDrawIDLocation; }
+
+    int getBaseVertexLocation() const { return mBaseVertexLocation; }
+
+    int getBaseInstanceLocation() const { return mBaseInstanceLocation; }
+
+    ShaderType getAttachedTransformFeedbackStage() const;
+
+  private:
+    friend class MemoryProgramCache;
+    friend class Program;
+
+    void updateActiveSamplers();
+    void updateProgramInterfaceInputs(const Context *context);
+    void updateProgramInterfaceOutputs(const Context *context);
+
+    // Scans the sampler bindings for type conflicts with sampler 'textureUnitIndex'.
+    void setSamplerUniformTextureTypeAndFormat(size_t textureUnitIndex);
+
+    std::string mLabel;
+
+    sh::WorkGroupSize mComputeShaderLocalSize;
+
+    ShaderMap<Shader *> mAttachedShaders;
+
+    uint32_t mLocationsUsedForXfbExtension;
+    std::vector<std::string> mTransformFeedbackVaryingNames;
+
+    std::vector<VariableLocation> mUniformLocations;
+    std::vector<BufferVariable> mBufferVariables;
+
+    bool mBinaryRetrieveableHint;
+    bool mSeparable;
+    rx::SpecConstUsageBits mSpecConstUsageBits;
+
+    // ANGLE_multiview.
+    int mNumViews;
+
+    // GL_ANGLE_multi_draw
+    int mDrawIDLocation;
+
+    // GL_ANGLE_base_vertex_base_instance_shader_builtin
+    int mBaseVertexLocation;
+    int mBaseInstanceLocation;
+    // Cached value of base vertex and base instance
+    // need to reset them to zero if using non base vertex or base instance draw calls.
+    GLint mCachedBaseVertex;
+    GLuint mCachedBaseInstance;
+
+    // Note that this has nothing to do with binding layout qualifiers that can be set for some
+    // uniforms in GLES3.1+. It is used to pre-set the location of uniforms.
+    ProgramAliasedBindings mUniformLocationBindings;
+
+    std::shared_ptr<ProgramExecutable> mExecutable;
+};
+
+struct ProgramVaryingRef
+{
+    const sh::ShaderVariable *get(ShaderType stage) const
+    {
+        ASSERT(stage == frontShaderStage || stage == backShaderStage);
+        const sh::ShaderVariable *ref = stage == frontShaderStage ? frontShader : backShader;
+        ASSERT(ref);
+        return ref;
+    }
+
+    const sh::ShaderVariable *frontShader = nullptr;
+    const sh::ShaderVariable *backShader  = nullptr;
+    ShaderType frontShaderStage           = ShaderType::InvalidEnum;
+    ShaderType backShaderStage            = ShaderType::InvalidEnum;
+};
+
+using ProgramMergedVaryings = std::vector<ProgramVaryingRef>;
+
+class Program final : public LabeledObject, public angle::Subject
+{
+  public:
+    Program(rx::GLImplFactory *factory, ShaderProgramManager *manager, ShaderProgramID handle);
+    void onDestroy(const Context *context);
+
+    ShaderProgramID id() const;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    ANGLE_INLINE rx::ProgramImpl *getImplementation() const
+    {
+        ASSERT(!mLinkingState);
+        return mProgram;
+    }
+
+    void attachShader(Shader *shader);
+    void detachShader(const Context *context, Shader *shader);
+    int getAttachedShadersCount() const;
+
+    Shader *getAttachedShader(ShaderType shaderType) const;
+
+    void bindAttributeLocation(GLuint index, const char *name);
+    void bindUniformLocation(UniformLocation location, const char *name);
+
+    // EXT_blend_func_extended
+    void bindFragmentOutputLocation(GLuint index, const char *name);
+    void bindFragmentOutputIndex(GLuint index, const char *name);
+
+    // KHR_parallel_shader_compile
+    // Try to link the program asynchronously. As a result, background threads may be launched to
+    // execute the linking tasks concurrently.
+    angle::Result link(const Context *context);
+
+    // Peek whether there is any running linking tasks.
+    bool isLinking() const;
+    bool hasLinkingState() const { return mLinkingState != nullptr; }
+
+    bool isLinked() const
+    {
+        ASSERT(!mLinkingState);
+        return mLinked;
+    }
+
+    angle::Result loadBinary(const Context *context,
+                             GLenum binaryFormat,
+                             const void *binary,
+                             GLsizei length);
+    angle::Result saveBinary(Context *context,
+                             GLenum *binaryFormat,
+                             void *binary,
+                             GLsizei bufSize,
+                             GLsizei *length) const;
+    GLint getBinaryLength(Context *context) const;
+    void setBinaryRetrievableHint(bool retrievable);
+    bool getBinaryRetrievableHint() const;
+
+    void setSeparable(bool separable);
+    bool isSeparable() const;
+
+    void getAttachedShaders(GLsizei maxCount, GLsizei *count, ShaderProgramID *shaders) const;
+
+    GLuint getAttributeLocation(const std::string &name) const;
+
+    void getActiveAttribute(GLuint index,
+                            GLsizei bufsize,
+                            GLsizei *length,
+                            GLint *size,
+                            GLenum *type,
+                            GLchar *name) const;
+    GLint getActiveAttributeCount() const;
+    GLint getActiveAttributeMaxLength() const;
+    const std::vector<sh::ShaderVariable> &getAttributes() const;
+
+    GLint getFragDataLocation(const std::string &name) const;
+    size_t getOutputResourceCount() const;
+
+    // EXT_blend_func_extended
+    GLint getFragDataIndex(const std::string &name) const;
+
+    void getActiveUniform(GLuint index,
+                          GLsizei bufsize,
+                          GLsizei *length,
+                          GLint *size,
+                          GLenum *type,
+                          GLchar *name) const;
+    GLint getActiveUniformCount() const;
+    size_t getActiveBufferVariableCount() const;
+    GLint getActiveUniformMaxLength() const;
+    bool isValidUniformLocation(UniformLocation location) const;
+    const LinkedUniform &getUniformByLocation(UniformLocation location) const;
+    const VariableLocation &getUniformLocation(UniformLocation location) const;
+
+    const std::vector<VariableLocation> &getUniformLocations() const
+    {
+        ASSERT(!mLinkingState);
+        return mState.mUniformLocations;
+    }
+
+    const LinkedUniform &getUniformByIndex(GLuint index) const
+    {
+        ASSERT(!mLinkingState);
+        return mState.mExecutable->getUniformByIndex(index);
+    }
+
+    const BufferVariable &getBufferVariableByIndex(GLuint index) const;
+
+    enum SetUniformResult
+    {
+        SamplerChanged,
+        NoSamplerChange,
+    };
+
+    UniformLocation getUniformLocation(const std::string &name) const;
+    GLuint getUniformIndex(const std::string &name) const;
+    void setUniform1fv(UniformLocation location, GLsizei count, const GLfloat *v);
+    void setUniform2fv(UniformLocation location, GLsizei count, const GLfloat *v);
+    void setUniform3fv(UniformLocation location, GLsizei count, const GLfloat *v);
+    void setUniform4fv(UniformLocation location, GLsizei count, const GLfloat *v);
+    void setUniform1iv(Context *context, UniformLocation location, GLsizei count, const GLint *v);
+    void setUniform2iv(UniformLocation location, GLsizei count, const GLint *v);
+    void setUniform3iv(UniformLocation location, GLsizei count, const GLint *v);
+    void setUniform4iv(UniformLocation location, GLsizei count, const GLint *v);
+    void setUniform1uiv(UniformLocation location, GLsizei count, const GLuint *v);
+    void setUniform2uiv(UniformLocation location, GLsizei count, const GLuint *v);
+    void setUniform3uiv(UniformLocation location, GLsizei count, const GLuint *v);
+    void setUniform4uiv(UniformLocation location, GLsizei count, const GLuint *v);
+    void setUniformMatrix2fv(UniformLocation location,
+                             GLsizei count,
+                             GLboolean transpose,
+                             const GLfloat *value);
+    void setUniformMatrix3fv(UniformLocation location,
+                             GLsizei count,
+                             GLboolean transpose,
+                             const GLfloat *value);
+    void setUniformMatrix4fv(UniformLocation location,
+                             GLsizei count,
+                             GLboolean transpose,
+                             const GLfloat *value);
+    void setUniformMatrix2x3fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value);
+    void setUniformMatrix3x2fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value);
+    void setUniformMatrix2x4fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value);
+    void setUniformMatrix4x2fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value);
+    void setUniformMatrix3x4fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value);
+    void setUniformMatrix4x3fv(UniformLocation location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value);
+
+    void getUniformfv(const Context *context, UniformLocation location, GLfloat *params) const;
+    void getUniformiv(const Context *context, UniformLocation location, GLint *params) const;
+    void getUniformuiv(const Context *context, UniformLocation location, GLuint *params) const;
+
+    void getActiveUniformBlockName(const Context *context,
+                                   const UniformBlockIndex blockIndex,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLchar *blockName) const;
+    void getActiveShaderStorageBlockName(const GLuint blockIndex,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLchar *blockName) const;
+
+    ANGLE_INLINE GLuint getActiveUniformBlockCount() const
+    {
+        ASSERT(!mLinkingState);
+        return static_cast<GLuint>(mState.mExecutable->getActiveUniformBlockCount());
+    }
+
+    ANGLE_INLINE GLuint getActiveAtomicCounterBufferCount() const
+    {
+        ASSERT(!mLinkingState);
+        return static_cast<GLuint>(mState.mExecutable->getActiveAtomicCounterBufferCount());
+    }
+
+    ANGLE_INLINE GLuint getActiveShaderStorageBlockCount() const
+    {
+        ASSERT(!mLinkingState);
+        return static_cast<GLuint>(mState.mExecutable->getActiveShaderStorageBlockCount());
+    }
+
+    GLint getActiveUniformBlockMaxNameLength() const;
+    GLint getActiveShaderStorageBlockMaxNameLength() const;
+
+    const std::vector<LinkedUniform> &getUniforms() const { return mState.getUniforms(); }
+    GLuint getUniformBlockIndex(const std::string &name) const;
+    GLuint getShaderStorageBlockIndex(const std::string &name) const;
+
+    void bindUniformBlock(UniformBlockIndex uniformBlockIndex, GLuint uniformBlockBinding);
+    GLuint getUniformBlockBinding(GLuint uniformBlockIndex) const;
+    GLuint getShaderStorageBlockBinding(GLuint shaderStorageBlockIndex) const;
+
+    const InterfaceBlock &getUniformBlockByIndex(GLuint index) const;
+    const InterfaceBlock &getShaderStorageBlockByIndex(GLuint index) const;
+
+    void setTransformFeedbackVaryings(GLsizei count,
+                                      const GLchar *const *varyings,
+                                      GLenum bufferMode);
+    void getTransformFeedbackVarying(GLuint index,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLsizei *size,
+                                     GLenum *type,
+                                     GLchar *name) const;
+    GLsizei getTransformFeedbackVaryingCount() const;
+    GLsizei getTransformFeedbackVaryingMaxLength() const;
+    GLenum getTransformFeedbackBufferMode() const;
+    GLuint getTransformFeedbackVaryingResourceIndex(const GLchar *name) const;
+    const TransformFeedbackVarying &getTransformFeedbackVaryingResource(GLuint index) const;
+
+    bool hasDrawIDUniform() const;
+    void setDrawIDUniform(GLint drawid);
+
+    bool hasBaseVertexUniform() const;
+    void setBaseVertexUniform(GLint baseVertex);
+    bool hasBaseInstanceUniform() const;
+    void setBaseInstanceUniform(GLuint baseInstance);
+
+    ANGLE_INLINE void addRef()
+    {
+        ASSERT(!mLinkingState);
+        mRefCount++;
+    }
+
+    ANGLE_INLINE void release(const Context *context)
+    {
+        ASSERT(!mLinkingState);
+        mRefCount--;
+
+        if (mRefCount == 0 && mDeleteStatus)
+        {
+            deleteSelf(context);
+        }
+    }
+
+    unsigned int getRefCount() const;
+    bool isInUse() const { return getRefCount() != 0; }
+    void flagForDeletion();
+    bool isFlaggedForDeletion() const;
+
+    void validate(const Caps &caps);
+    bool isValidated() const;
+
+    const std::vector<ImageBinding> &getImageBindings() const
+    {
+        ASSERT(!mLinkingState);
+        return getExecutable().getImageBindings();
+    }
+    const sh::WorkGroupSize &getComputeShaderLocalSize() const;
+    PrimitiveMode getGeometryShaderInputPrimitiveType() const;
+    PrimitiveMode getGeometryShaderOutputPrimitiveType() const;
+    GLint getGeometryShaderInvocations() const;
+    GLint getGeometryShaderMaxVertices() const;
+
+    GLint getTessControlShaderVertices() const;
+    GLenum getTessGenMode() const;
+    GLenum getTessGenPointMode() const;
+    GLenum getTessGenSpacing() const;
+    GLenum getTessGenVertexOrder() const;
+
+    const ProgramState &getState() const
+    {
+        ASSERT(!mLinkingState);
+        return mState;
+    }
+
+    GLuint getInputResourceIndex(const GLchar *name) const;
+    GLuint getOutputResourceIndex(const GLchar *name) const;
+    void getInputResourceName(GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name) const;
+    void getOutputResourceName(GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name) const;
+    void getUniformResourceName(GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name) const;
+    void getBufferVariableResourceName(GLuint index,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLchar *name) const;
+    const sh::ShaderVariable &getInputResource(size_t index) const;
+    GLuint getResourceMaxNameSize(const sh::ShaderVariable &resource, GLint max) const;
+    GLuint getInputResourceMaxNameSize() const;
+    GLuint getOutputResourceMaxNameSize() const;
+    GLuint getResourceLocation(const GLchar *name, const sh::ShaderVariable &variable) const;
+    GLuint getInputResourceLocation(const GLchar *name) const;
+    GLuint getOutputResourceLocation(const GLchar *name) const;
+    const std::string getResourceName(const sh::ShaderVariable &resource) const;
+    const std::string getInputResourceName(GLuint index) const;
+    const std::string getOutputResourceName(GLuint index) const;
+    const sh::ShaderVariable &getOutputResource(size_t index) const;
+
+    const ProgramBindings &getAttributeBindings() const;
+    const ProgramAliasedBindings &getUniformLocationBindings() const;
+    const ProgramAliasedBindings &getFragmentOutputLocations() const;
+    const ProgramAliasedBindings &getFragmentOutputIndexes() const;
+
+    int getNumViews() const
+    {
+        ASSERT(!mLinkingState);
+        return mState.getNumViews();
+    }
+
+    bool usesMultiview() const { return mState.usesMultiview(); }
+
+    const std::vector<GLsizei> &getTransformFeedbackStrides() const;
+
+    // Program dirty bits.
+    enum DirtyBitType
+    {
+        DIRTY_BIT_UNIFORM_BLOCK_BINDING_0,
+        DIRTY_BIT_UNIFORM_BLOCK_BINDING_MAX =
+            DIRTY_BIT_UNIFORM_BLOCK_BINDING_0 + IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS,
+
+        DIRTY_BIT_COUNT = DIRTY_BIT_UNIFORM_BLOCK_BINDING_MAX,
+    };
+
+    using DirtyBits = angle::BitSet<DIRTY_BIT_COUNT>;
+
+    angle::Result syncState(const Context *context);
+
+    // Try to resolve linking. Inlined to make sure its overhead is as low as possible.
+    void resolveLink(const Context *context)
+    {
+        if (mLinkingState)
+        {
+            resolveLinkImpl(context);
+        }
+    }
+
+    ANGLE_INLINE bool hasAnyDirtyBit() const { return mDirtyBits.any(); }
+
+    // Writes a program's binary to the output memory buffer.
+    angle::Result serialize(const Context *context, angle::MemoryBuffer *binaryOut) const;
+
+    rx::Serial serial() const { return mSerial; }
+
+    const ProgramExecutable &getExecutable() const { return mState.getExecutable(); }
+    ProgramExecutable &getExecutable() { return mState.getExecutable(); }
+
+  private:
+    struct LinkingState;
+
+    ~Program() override;
+
+    // Loads program state according to the specified binary blob.
+    angle::Result deserialize(const Context *context, BinaryInputStream &stream, InfoLog &infoLog);
+
+    void unlink();
+    void deleteSelf(const Context *context);
+
+    angle::Result linkImpl(const Context *context);
+
+    bool linkValidateShaders(const Context *context, InfoLog &infoLog);
+    bool linkAttributes(const Context *context, InfoLog &infoLog);
+    bool linkVaryings(const Context *context, InfoLog &infoLog) const;
+
+    bool linkUniforms(const Context *context,
+                      std::vector<UnusedUniform> *unusedUniformsOutOrNull,
+                      GLuint *combinedImageUniformsOut,
+                      InfoLog &infoLog);
+
+    void updateLinkedShaderStages();
+
+    void setUniformValuesFromBindingQualifiers();
+    bool shouldIgnoreUniform(UniformLocation location) const;
+
+    void initInterfaceBlockBindings();
+
+    // Both these function update the cached uniform values and return a modified "count"
+    // so that the uniform update doesn't overflow the uniform.
+    template <typename T>
+    GLsizei clampUniformCount(const VariableLocation &locationInfo,
+                              GLsizei count,
+                              int vectorSize,
+                              const T *v);
+    template <size_t cols, size_t rows, typename T>
+    GLsizei clampMatrixUniformCount(UniformLocation location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const T *v);
+
+    void updateSamplerUniform(Context *context,
+                              const VariableLocation &locationInfo,
+                              GLsizei clampedCount,
+                              const GLint *v);
+
+    template <typename DestT>
+    void getUniformInternal(const Context *context,
+                            DestT *dataOut,
+                            UniformLocation location,
+                            GLenum nativeType,
+                            int components) const;
+
+    void getResourceName(const std::string name,
+                         GLsizei bufSize,
+                         GLsizei *length,
+                         GLchar *dest) const;
+
+    template <typename T>
+    GLint getActiveInterfaceBlockMaxNameLength(const std::vector<T> &resources) const;
+
+    GLuint getSamplerUniformBinding(const VariableLocation &uniformLocation) const;
+    GLuint getImageUniformBinding(const VariableLocation &uniformLocation) const;
+
+    // Block until linking is finished and resolve it.
+    void resolveLinkImpl(const gl::Context *context);
+
+    void postResolveLink(const gl::Context *context);
+
+    template <typename UniformT,
+              GLint UniformSize,
+              void (rx::ProgramImpl::*SetUniformFunc)(GLint, GLsizei, const UniformT *)>
+    void setUniformGeneric(UniformLocation location, GLsizei count, const UniformT *v);
+
+    template <
+        typename UniformT,
+        GLint MatrixC,
+        GLint MatrixR,
+        void (rx::ProgramImpl::*SetUniformMatrixFunc)(GLint, GLsizei, GLboolean, const UniformT *)>
+    void setUniformMatrixGeneric(UniformLocation location,
+                                 GLsizei count,
+                                 GLboolean transpose,
+                                 const UniformT *v);
+
+    rx::Serial mSerial;
+    ProgramState mState;
+    rx::ProgramImpl *mProgram;
+
+    bool mValidated;
+
+    ProgramBindings mAttributeBindings;
+
+    // EXT_blend_func_extended
+    ProgramAliasedBindings mFragmentOutputLocations;
+    ProgramAliasedBindings mFragmentOutputIndexes;
+
+    bool mLinked;
+    std::unique_ptr<LinkingState> mLinkingState;
+    bool mDeleteStatus;  // Flag to indicate that the program can be deleted when no longer in use
+
+    unsigned int mRefCount;
+
+    ShaderProgramManager *mResourceManager;
+    const ShaderProgramID mHandle;
+
+    DirtyBits mDirtyBits;
+
+    std::mutex mHistogramMutex;
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_PROGRAM_H_
diff --git a/gfx/angle/checkout/src/libANGLE/ProgramExecutable.cpp b/gfx/angle/checkout/src/libANGLE/ProgramExecutable.cpp
new file mode 100644
index 0000000000..6005519347
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ProgramExecutable.cpp
@@ -0,0 +1,1785 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ProgramExecutable.cpp: Collects the interfaces common to both Programs and
+// ProgramPipelines in order to execute/draw with either.
+
+#include "libANGLE/ProgramExecutable.h"
+
+#include "common/string_utils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/Shader.h"
+
+namespace gl
+{
+namespace
+{
+bool IncludeSameArrayElement(const std::set<std::string> &nameSet, const std::string &name)
+{
+    std::vector<unsigned int> subscripts;
+    std::string baseName = ParseResourceName(name, &subscripts);
+    for (const std::string &nameInSet : nameSet)
+    {
+        std::vector<unsigned int> arrayIndices;
+        std::string arrayName = ParseResourceName(nameInSet, &arrayIndices);
+        if (baseName == arrayName &&
+            (subscripts.empty() || arrayIndices.empty() || subscripts == arrayIndices))
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+// Find the matching varying or field by name.
+const sh::ShaderVariable *FindOutputVaryingOrField(const ProgramMergedVaryings &varyings,
+                                                   ShaderType stage,
+                                                   const std::string &name)
+{
+    const sh::ShaderVariable *var = nullptr;
+    for (const ProgramVaryingRef &ref : varyings)
+    {
+        if (ref.frontShaderStage != stage)
+        {
+            continue;
+        }
+
+        const sh::ShaderVariable *varying = ref.get(stage);
+        if (varying->name == name)
+        {
+            var = varying;
+            break;
+        }
+        GLuint fieldIndex = 0;
+        var               = varying->findField(name, &fieldIndex);
+        if (var != nullptr)
+        {
+            break;
+        }
+    }
+    return var;
+}
+
+bool FindUsedOutputLocation(std::vector<VariableLocation> &outputLocations,
+                            unsigned int baseLocation,
+                            unsigned int elementCount,
+                            const std::vector<VariableLocation> &reservedLocations,
+                            unsigned int variableIndex)
+{
+    if (baseLocation + elementCount > outputLocations.size())
+    {
+        elementCount = baseLocation < outputLocations.size()
+                           ? static_cast<unsigned int>(outputLocations.size() - baseLocation)
+                           : 0;
+    }
+    for (unsigned int elementIndex = 0; elementIndex < elementCount; elementIndex++)
+    {
+        const unsigned int location = baseLocation + elementIndex;
+        if (outputLocations[location].used())
+        {
+            VariableLocation locationInfo(elementIndex, variableIndex);
+            if (std::find(reservedLocations.begin(), reservedLocations.end(), locationInfo) ==
+                reservedLocations.end())
+            {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+void AssignOutputLocations(std::vector<VariableLocation> &outputLocations,
+                           unsigned int baseLocation,
+                           unsigned int elementCount,
+                           const std::vector<VariableLocation> &reservedLocations,
+                           unsigned int variableIndex,
+                           sh::ShaderVariable &outputVariable)
+{
+    if (baseLocation + elementCount > outputLocations.size())
+    {
+        outputLocations.resize(baseLocation + elementCount);
+    }
+    for (unsigned int elementIndex = 0; elementIndex < elementCount; elementIndex++)
+    {
+        VariableLocation locationInfo(elementIndex, variableIndex);
+        if (std::find(reservedLocations.begin(), reservedLocations.end(), locationInfo) ==
+            reservedLocations.end())
+        {
+            outputVariable.location     = baseLocation;
+            const unsigned int location = baseLocation + elementIndex;
+            outputLocations[location]   = locationInfo;
+        }
+    }
+}
+
+int GetOutputLocationForLink(const ProgramAliasedBindings &fragmentOutputLocations,
+                             const sh::ShaderVariable &outputVariable)
+{
+    if (outputVariable.location != -1)
+    {
+        return outputVariable.location;
+    }
+    int apiLocation = fragmentOutputLocations.getBinding(outputVariable);
+    if (apiLocation != -1)
+    {
+        return apiLocation;
+    }
+    return -1;
+}
+
+bool IsOutputSecondaryForLink(const ProgramAliasedBindings &fragmentOutputIndexes,
+                              const sh::ShaderVariable &outputVariable)
+{
+    if (outputVariable.index != -1)
+    {
+        ASSERT(outputVariable.index == 0 || outputVariable.index == 1);
+        return (outputVariable.index == 1);
+    }
+    int apiIndex = fragmentOutputIndexes.getBinding(outputVariable);
+    if (apiIndex != -1)
+    {
+        // Index layout qualifier from the shader takes precedence, so the index from the API is
+        // checked only if the index was not set in the shader. This is not specified in the EXT
+        // spec, but is specified in desktop OpenGL specs.
+        return (apiIndex == 1);
+    }
+    // EXT_blend_func_extended: Outputs get index 0 by default.
+    return false;
+}
+
+RangeUI AddUniforms(const ShaderMap<Program *> &programs,
+                    ShaderBitSet activeShaders,
+                    std::vector<LinkedUniform> &outputUniforms,
+                    const std::function<RangeUI(const ProgramState &)> &getRange)
+{
+    unsigned int startRange = static_cast<unsigned int>(outputUniforms.size());
+    for (ShaderType shaderType : activeShaders)
+    {
+        const ProgramState &programState                  = programs[shaderType]->getState();
+        const std::vector<LinkedUniform> &programUniforms = programState.getUniforms();
+        const RangeUI uniformRange                        = getRange(programState);
+
+        outputUniforms.insert(outputUniforms.end(), programUniforms.begin() + uniformRange.low(),
+                              programUniforms.begin() + uniformRange.high());
+    }
+    return RangeUI(startRange, static_cast<unsigned int>(outputUniforms.size()));
+}
+
+template <typename BlockT>
+void AppendActiveBlocks(ShaderType shaderType,
+                        const std::vector<BlockT> &blocksIn,
+                        std::vector<BlockT> &blocksOut)
+{
+    for (const BlockT &block : blocksIn)
+    {
+        if (block.isActive(shaderType))
+        {
+            blocksOut.push_back(block);
+        }
+    }
+}
+}  // anonymous namespace
+
+ProgramExecutable::ProgramExecutable()
+    : mMaxActiveAttribLocation(0),
+      mAttributesTypeMask(0),
+      mAttributesMask(0),
+      mActiveSamplerRefCounts{},
+      mCanDrawWith(false),
+      mYUVOutput(false),
+      mTransformFeedbackBufferMode(GL_INTERLEAVED_ATTRIBS),
+      mDefaultUniformRange(0, 0),
+      mSamplerUniformRange(0, 0),
+      mImageUniformRange(0, 0),
+      mAtomicCounterUniformRange(0, 0),
+      mFragmentInoutRange(0, 0),
+      mHasDiscard(false),
+      mEnablesPerSampleShading(false),
+      // [GL_EXT_geometry_shader] Table 20.22
+      mGeometryShaderInputPrimitiveType(PrimitiveMode::Triangles),
+      mGeometryShaderOutputPrimitiveType(PrimitiveMode::TriangleStrip),
+      mGeometryShaderInvocations(1),
+      mGeometryShaderMaxVertices(0),
+      mTessControlShaderVertices(0),
+      mTessGenMode(GL_NONE),
+      mTessGenSpacing(GL_NONE),
+      mTessGenVertexOrder(GL_NONE),
+      mTessGenPointMode(GL_NONE)
+{
+    reset(true);
+}
+
+ProgramExecutable::ProgramExecutable(const ProgramExecutable &other)
+    : mLinkedShaderStages(other.mLinkedShaderStages),
+      mActiveAttribLocationsMask(other.mActiveAttribLocationsMask),
+      mMaxActiveAttribLocation(other.mMaxActiveAttribLocation),
+      mAttributesTypeMask(other.mAttributesTypeMask),
+      mAttributesMask(other.mAttributesMask),
+      mActiveSamplersMask(other.mActiveSamplersMask),
+      mActiveSamplerRefCounts(other.mActiveSamplerRefCounts),
+      mActiveSamplerTypes(other.mActiveSamplerTypes),
+      mActiveSamplerYUV(other.mActiveSamplerYUV),
+      mActiveSamplerFormats(other.mActiveSamplerFormats),
+      mActiveSamplerShaderBits(other.mActiveSamplerShaderBits),
+      mActiveImagesMask(other.mActiveImagesMask),
+      mActiveImageShaderBits(other.mActiveImageShaderBits),
+      mCanDrawWith(other.mCanDrawWith),
+      mOutputVariables(other.mOutputVariables),
+      mOutputLocations(other.mOutputLocations),
+      mSecondaryOutputLocations(other.mSecondaryOutputLocations),
+      mYUVOutput(other.mYUVOutput),
+      mProgramInputs(other.mProgramInputs),
+      mLinkedTransformFeedbackVaryings(other.mLinkedTransformFeedbackVaryings),
+      mTransformFeedbackStrides(other.mTransformFeedbackStrides),
+      mTransformFeedbackBufferMode(other.mTransformFeedbackBufferMode),
+      mUniforms(other.mUniforms),
+      mDefaultUniformRange(other.mDefaultUniformRange),
+      mSamplerUniformRange(other.mSamplerUniformRange),
+      mImageUniformRange(other.mImageUniformRange),
+      mAtomicCounterUniformRange(other.mAtomicCounterUniformRange),
+      mUniformBlocks(other.mUniformBlocks),
+      mActiveUniformBlockBindings(other.mActiveUniformBlockBindings),
+      mAtomicCounterBuffers(other.mAtomicCounterBuffers),
+      mShaderStorageBlocks(other.mShaderStorageBlocks),
+      mFragmentInoutRange(other.mFragmentInoutRange),
+      mHasDiscard(other.mHasDiscard),
+      mEnablesPerSampleShading(other.mEnablesPerSampleShading),
+      mAdvancedBlendEquations(other.mAdvancedBlendEquations)
+{
+    reset(true);
+}
+
+ProgramExecutable::~ProgramExecutable() = default;
+
+void ProgramExecutable::reset(bool clearInfoLog)
+{
+    if (clearInfoLog)
+    {
+        resetInfoLog();
+    }
+    mActiveAttribLocationsMask.reset();
+    mAttributesTypeMask.reset();
+    mAttributesMask.reset();
+    mMaxActiveAttribLocation = 0;
+
+    mActiveSamplersMask.reset();
+    mActiveSamplerRefCounts = {};
+    mActiveSamplerTypes.fill(TextureType::InvalidEnum);
+    mActiveSamplerYUV.reset();
+    mActiveSamplerFormats.fill(SamplerFormat::InvalidEnum);
+
+    mActiveImagesMask.reset();
+
+    mProgramInputs.clear();
+    mLinkedTransformFeedbackVaryings.clear();
+    mTransformFeedbackStrides.clear();
+    mUniforms.clear();
+    mUniformBlocks.clear();
+    mActiveUniformBlockBindings.reset();
+    mShaderStorageBlocks.clear();
+    mAtomicCounterBuffers.clear();
+    mOutputVariables.clear();
+    mOutputLocations.clear();
+    mActiveOutputVariablesMask.reset();
+    mSecondaryOutputLocations.clear();
+    mYUVOutput = false;
+    mSamplerBindings.clear();
+    mImageBindings.clear();
+
+    mDefaultUniformRange       = RangeUI(0, 0);
+    mSamplerUniformRange       = RangeUI(0, 0);
+    mImageUniformRange         = RangeUI(0, 0);
+    mAtomicCounterUniformRange = RangeUI(0, 0);
+
+    mFragmentInoutRange      = RangeUI(0, 0);
+    mHasDiscard              = false;
+    mEnablesPerSampleShading = false;
+    mAdvancedBlendEquations.reset();
+
+    mGeometryShaderInputPrimitiveType  = PrimitiveMode::Triangles;
+    mGeometryShaderOutputPrimitiveType = PrimitiveMode::TriangleStrip;
+    mGeometryShaderInvocations         = 1;
+    mGeometryShaderMaxVertices         = 0;
+
+    mTessControlShaderVertices = 0;
+    mTessGenMode               = GL_NONE;
+    mTessGenSpacing            = GL_NONE;
+    mTessGenVertexOrder        = GL_NONE;
+    mTessGenPointMode          = GL_NONE;
+
+    mOutputVariableTypes.clear();
+    mDrawBufferTypeMask.reset();
+}
+
+void ProgramExecutable::load(bool isSeparable, gl::BinaryInputStream *stream)
+{
+    static_assert(MAX_VERTEX_ATTRIBS * 2 <= sizeof(uint32_t) * 8,
+                  "Too many vertex attribs for mask: All bits of mAttributesTypeMask types and "
+                  "mask fit into 32 bits each");
+    mAttributesTypeMask        = gl::ComponentTypeMask(stream->readInt<uint32_t>());
+    mAttributesMask            = gl::AttributesMask(stream->readInt<uint32_t>());
+    mActiveAttribLocationsMask = gl::AttributesMask(stream->readInt<uint32_t>());
+    mMaxActiveAttribLocation   = stream->readInt<unsigned int>();
+
+    unsigned int fragmentInoutRangeLow  = stream->readInt<uint32_t>();
+    unsigned int fragmentInoutRangeHigh = stream->readInt<uint32_t>();
+    mFragmentInoutRange                 = RangeUI(fragmentInoutRangeLow, fragmentInoutRangeHigh);
+
+    mHasDiscard              = stream->readBool();
+    mEnablesPerSampleShading = stream->readBool();
+
+    static_assert(sizeof(mAdvancedBlendEquations.bits()) == sizeof(uint32_t));
+    mAdvancedBlendEquations = BlendEquationBitSet(stream->readInt<uint32_t>());
+
+    mLinkedShaderStages = ShaderBitSet(stream->readInt<uint8_t>());
+
+    mGeometryShaderInputPrimitiveType  = stream->readEnum<PrimitiveMode>();
+    mGeometryShaderOutputPrimitiveType = stream->readEnum<PrimitiveMode>();
+    mGeometryShaderInvocations         = stream->readInt<int>();
+    mGeometryShaderMaxVertices         = stream->readInt<int>();
+
+    mTessControlShaderVertices = stream->readInt<int>();
+    mTessGenMode               = stream->readInt<GLenum>();
+    mTessGenSpacing            = stream->readInt<GLenum>();
+    mTessGenVertexOrder        = stream->readInt<GLenum>();
+    mTessGenPointMode          = stream->readInt<GLenum>();
+
+    size_t attribCount = stream->readInt<size_t>();
+    ASSERT(getProgramInputs().empty());
+    for (size_t attribIndex = 0; attribIndex < attribCount; ++attribIndex)
+    {
+        sh::ShaderVariable attrib;
+        LoadShaderVar(stream, &attrib);
+        attrib.location = stream->readInt<int>();
+        mProgramInputs.push_back(attrib);
+    }
+
+    size_t uniformCount = stream->readInt<size_t>();
+    ASSERT(getUniforms().empty());
+    for (size_t uniformIndex = 0; uniformIndex < uniformCount; ++uniformIndex)
+    {
+        LinkedUniform uniform;
+        LoadShaderVar(stream, &uniform);
+
+        uniform.bufferIndex = stream->readInt<int>();
+        LoadBlockMemberInfo(stream, &uniform.blockInfo);
+
+        stream->readIntVector<unsigned int>(&uniform.outerArraySizes);
+        uniform.outerArrayOffset = stream->readInt<unsigned int>();
+
+        uniform.typeInfo = &GetUniformTypeInfo(uniform.type);
+
+        // Active shader info
+        for (ShaderType shaderType : gl::AllShaderTypes())
+        {
+            uniform.setActive(shaderType, stream->readBool());
+        }
+
+        mUniforms.push_back(uniform);
+    }
+
+    size_t uniformBlockCount = stream->readInt<size_t>();
+    ASSERT(getUniformBlocks().empty());
+    for (size_t uniformBlockIndex = 0; uniformBlockIndex < uniformBlockCount; ++uniformBlockIndex)
+    {
+        InterfaceBlock uniformBlock;
+        LoadInterfaceBlock(stream, &uniformBlock);
+        mUniformBlocks.push_back(uniformBlock);
+
+        mActiveUniformBlockBindings.set(uniformBlockIndex, uniformBlock.binding != 0);
+    }
+
+    size_t shaderStorageBlockCount = stream->readInt<size_t>();
+    ASSERT(getShaderStorageBlocks().empty());
+    for (size_t shaderStorageBlockIndex = 0; shaderStorageBlockIndex < shaderStorageBlockCount;
+         ++shaderStorageBlockIndex)
+    {
+        InterfaceBlock shaderStorageBlock;
+        LoadInterfaceBlock(stream, &shaderStorageBlock);
+        mShaderStorageBlocks.push_back(shaderStorageBlock);
+    }
+
+    size_t atomicCounterBufferCount = stream->readInt<size_t>();
+    ASSERT(getAtomicCounterBuffers().empty());
+    for (size_t bufferIndex = 0; bufferIndex < atomicCounterBufferCount; ++bufferIndex)
+    {
+        AtomicCounterBuffer atomicCounterBuffer;
+        LoadShaderVariableBuffer(stream, &atomicCounterBuffer);
+
+        mAtomicCounterBuffers.push_back(atomicCounterBuffer);
+    }
+
+    size_t transformFeedbackVaryingCount = stream->readInt<size_t>();
+    ASSERT(mLinkedTransformFeedbackVaryings.empty());
+    for (size_t transformFeedbackVaryingIndex = 0;
+         transformFeedbackVaryingIndex < transformFeedbackVaryingCount;
+         ++transformFeedbackVaryingIndex)
+    {
+        sh::ShaderVariable varying;
+        stream->readIntVector<unsigned int>(&varying.arraySizes);
+        stream->readInt(&varying.type);
+        stream->readString(&varying.name);
+
+        GLuint arrayIndex = stream->readInt<GLuint>();
+
+        mLinkedTransformFeedbackVaryings.emplace_back(varying, arrayIndex);
+    }
+
+    mTransformFeedbackBufferMode = stream->readInt<GLint>();
+
+    size_t outputCount = stream->readInt<size_t>();
+    ASSERT(getOutputVariables().empty());
+    for (size_t outputIndex = 0; outputIndex < outputCount; ++outputIndex)
+    {
+        sh::ShaderVariable output;
+        LoadShaderVar(stream, &output);
+        output.location = stream->readInt<int>();
+        output.index    = stream->readInt<int>();
+        mOutputVariables.push_back(output);
+    }
+
+    size_t outputVarCount = stream->readInt<size_t>();
+    ASSERT(getOutputLocations().empty());
+    for (size_t outputIndex = 0; outputIndex < outputVarCount; ++outputIndex)
+    {
+        VariableLocation locationData;
+        stream->readInt(&locationData.arrayIndex);
+        stream->readInt(&locationData.index);
+        stream->readBool(&locationData.ignored);
+        mOutputLocations.push_back(locationData);
+    }
+
+    mActiveOutputVariablesMask =
+        gl::DrawBufferMask(stream->readInt<gl::DrawBufferMask::value_type>());
+
+    size_t outputTypeCount = stream->readInt<size_t>();
+    for (size_t outputIndex = 0; outputIndex < outputTypeCount; ++outputIndex)
+    {
+        mOutputVariableTypes.push_back(stream->readInt<GLenum>());
+    }
+
+    static_assert(IMPLEMENTATION_MAX_DRAW_BUFFERS * 2 <= 8 * sizeof(uint32_t),
+                  "All bits of mDrawBufferTypeMask and mActiveOutputVariables types and mask fit "
+                  "into 32 bits each");
+    mDrawBufferTypeMask = gl::ComponentTypeMask(stream->readInt<uint32_t>());
+
+    stream->readBool(&mYUVOutput);
+
+    size_t secondaryOutputVarCount = stream->readInt<size_t>();
+    ASSERT(getSecondaryOutputLocations().empty());
+    for (size_t outputIndex = 0; outputIndex < secondaryOutputVarCount; ++outputIndex)
+    {
+        VariableLocation locationData;
+        stream->readInt(&locationData.arrayIndex);
+        stream->readInt(&locationData.index);
+        stream->readBool(&locationData.ignored);
+        mSecondaryOutputLocations.push_back(locationData);
+    }
+
+    unsigned int defaultUniformRangeLow  = stream->readInt<unsigned int>();
+    unsigned int defaultUniformRangeHigh = stream->readInt<unsigned int>();
+    mDefaultUniformRange                 = RangeUI(defaultUniformRangeLow, defaultUniformRangeHigh);
+
+    unsigned int samplerRangeLow  = stream->readInt<unsigned int>();
+    unsigned int samplerRangeHigh = stream->readInt<unsigned int>();
+    mSamplerUniformRange          = RangeUI(samplerRangeLow, samplerRangeHigh);
+
+    size_t samplerCount = stream->readInt<size_t>();
+    for (size_t samplerIndex = 0; samplerIndex < samplerCount; ++samplerIndex)
+    {
+        TextureType textureType = stream->readEnum<TextureType>();
+        GLenum samplerType      = stream->readInt<GLenum>();
+        SamplerFormat format    = stream->readEnum<SamplerFormat>();
+        size_t bindingCount     = stream->readInt<size_t>();
+        mSamplerBindings.emplace_back(textureType, samplerType, format, bindingCount);
+    }
+
+    unsigned int imageRangeLow  = stream->readInt<unsigned int>();
+    unsigned int imageRangeHigh = stream->readInt<unsigned int>();
+    mImageUniformRange          = RangeUI(imageRangeLow, imageRangeHigh);
+
+    size_t imageBindingCount = stream->readInt<size_t>();
+    for (size_t imageIndex = 0; imageIndex < imageBindingCount; ++imageIndex)
+    {
+        size_t elementCount     = stream->readInt<size_t>();
+        TextureType textureType = static_cast<TextureType>(stream->readInt<unsigned int>());
+        ImageBinding imageBinding(elementCount, textureType);
+        for (size_t elementIndex = 0; elementIndex < elementCount; ++elementIndex)
+        {
+            imageBinding.boundImageUnits[elementIndex] = stream->readInt<unsigned int>();
+        }
+        mImageBindings.emplace_back(imageBinding);
+    }
+
+    unsigned int atomicCounterRangeLow  = stream->readInt<unsigned int>();
+    unsigned int atomicCounterRangeHigh = stream->readInt<unsigned int>();
+    mAtomicCounterUniformRange          = RangeUI(atomicCounterRangeLow, atomicCounterRangeHigh);
+
+    // These values are currently only used by PPOs, so only load them when the program is marked
+    // separable to save memory.
+    if (isSeparable)
+    {
+        for (ShaderType shaderType : mLinkedShaderStages)
+        {
+            mLinkedOutputVaryings[shaderType].resize(stream->readInt<size_t>());
+            for (sh::ShaderVariable &variable : mLinkedOutputVaryings[shaderType])
+            {
+                LoadShaderVar(stream, &variable);
+            }
+            mLinkedInputVaryings[shaderType].resize(stream->readInt<size_t>());
+            for (sh::ShaderVariable &variable : mLinkedInputVaryings[shaderType])
+            {
+                LoadShaderVar(stream, &variable);
+            }
+            mLinkedUniforms[shaderType].resize(stream->readInt<size_t>());
+            for (sh::ShaderVariable &variable : mLinkedUniforms[shaderType])
+            {
+                LoadShaderVar(stream, &variable);
+            }
+            mLinkedUniformBlocks[shaderType].resize(stream->readInt<size_t>());
+            for (sh::InterfaceBlock &shaderStorageBlock : mLinkedUniformBlocks[shaderType])
+            {
+                LoadShInterfaceBlock(stream, &shaderStorageBlock);
+            }
+            mLinkedShaderVersions[shaderType] = stream->readInt<int>();
+        }
+    }
+}
+
+void ProgramExecutable::save(bool isSeparable, gl::BinaryOutputStream *stream) const
+{
+    static_assert(MAX_VERTEX_ATTRIBS * 2 <= sizeof(uint32_t) * 8,
+                  "All bits of mAttributesTypeMask types and mask fit into 32 bits each");
+    stream->writeInt(static_cast<uint32_t>(mAttributesTypeMask.to_ulong()));
+    stream->writeInt(static_cast<uint32_t>(mAttributesMask.to_ulong()));
+    stream->writeInt(static_cast<uint32_t>(mActiveAttribLocationsMask.to_ulong()));
+    stream->writeInt(mMaxActiveAttribLocation);
+
+    stream->writeInt(mFragmentInoutRange.low());
+    stream->writeInt(mFragmentInoutRange.high());
+
+    stream->writeBool(mHasDiscard);
+    stream->writeBool(mEnablesPerSampleShading);
+    stream->writeInt(mAdvancedBlendEquations.bits());
+
+    stream->writeInt(mLinkedShaderStages.bits());
+
+    ASSERT(mGeometryShaderInvocations >= 1 && mGeometryShaderMaxVertices >= 0);
+    stream->writeEnum(mGeometryShaderInputPrimitiveType);
+    stream->writeEnum(mGeometryShaderOutputPrimitiveType);
+    stream->writeInt(mGeometryShaderInvocations);
+    stream->writeInt(mGeometryShaderMaxVertices);
+
+    stream->writeInt(mTessControlShaderVertices);
+    stream->writeInt(mTessGenMode);
+    stream->writeInt(mTessGenSpacing);
+    stream->writeInt(mTessGenVertexOrder);
+    stream->writeInt(mTessGenPointMode);
+
+    stream->writeInt(getProgramInputs().size());
+    for (const sh::ShaderVariable &attrib : getProgramInputs())
+    {
+        WriteShaderVar(stream, attrib);
+        stream->writeInt(attrib.location);
+    }
+
+    stream->writeInt(getUniforms().size());
+    for (const LinkedUniform &uniform : getUniforms())
+    {
+        WriteShaderVar(stream, uniform);
+
+        stream->writeInt(uniform.bufferIndex);
+        WriteBlockMemberInfo(stream, uniform.blockInfo);
+
+        stream->writeIntVector(uniform.outerArraySizes);
+        stream->writeInt(uniform.outerArrayOffset);
+
+        // Active shader info
+        for (ShaderType shaderType : gl::AllShaderTypes())
+        {
+            stream->writeBool(uniform.isActive(shaderType));
+        }
+    }
+
+    stream->writeInt(getUniformBlocks().size());
+    for (const InterfaceBlock &uniformBlock : getUniformBlocks())
+    {
+        WriteInterfaceBlock(stream, uniformBlock);
+    }
+
+    stream->writeInt(getShaderStorageBlocks().size());
+    for (const InterfaceBlock &shaderStorageBlock : getShaderStorageBlocks())
+    {
+        WriteInterfaceBlock(stream, shaderStorageBlock);
+    }
+
+    stream->writeInt(mAtomicCounterBuffers.size());
+    for (const AtomicCounterBuffer &atomicCounterBuffer : getAtomicCounterBuffers())
+    {
+        WriteShaderVariableBuffer(stream, atomicCounterBuffer);
+    }
+
+    stream->writeInt(getLinkedTransformFeedbackVaryings().size());
+    for (const auto &var : getLinkedTransformFeedbackVaryings())
+    {
+        stream->writeIntVector(var.arraySizes);
+        stream->writeInt(var.type);
+        stream->writeString(var.name);
+
+        stream->writeIntOrNegOne(var.arrayIndex);
+    }
+
+    stream->writeInt(getTransformFeedbackBufferMode());
+
+    stream->writeInt(getOutputVariables().size());
+    for (const sh::ShaderVariable &output : getOutputVariables())
+    {
+        WriteShaderVar(stream, output);
+        stream->writeInt(output.location);
+        stream->writeInt(output.index);
+    }
+
+    stream->writeInt(getOutputLocations().size());
+    for (const auto &outputVar : getOutputLocations())
+    {
+        stream->writeInt(outputVar.arrayIndex);
+        stream->writeIntOrNegOne(outputVar.index);
+        stream->writeBool(outputVar.ignored);
+    }
+
+    stream->writeInt(static_cast<int>(mActiveOutputVariablesMask.to_ulong()));
+
+    stream->writeInt(mOutputVariableTypes.size());
+    for (const auto &outputVariableType : mOutputVariableTypes)
+    {
+        stream->writeInt(outputVariableType);
+    }
+
+    static_assert(
+        IMPLEMENTATION_MAX_DRAW_BUFFERS * 2 <= 8 * sizeof(uint32_t),
+        "All bits of mDrawBufferTypeMask and mActiveOutputVariables can be contained in 32 bits");
+    stream->writeInt(static_cast<int>(mDrawBufferTypeMask.to_ulong()));
+
+    stream->writeBool(mYUVOutput);
+
+    stream->writeInt(getSecondaryOutputLocations().size());
+    for (const auto &outputVar : getSecondaryOutputLocations())
+    {
+        stream->writeInt(outputVar.arrayIndex);
+        stream->writeIntOrNegOne(outputVar.index);
+        stream->writeBool(outputVar.ignored);
+    }
+
+    stream->writeInt(getDefaultUniformRange().low());
+    stream->writeInt(getDefaultUniformRange().high());
+
+    stream->writeInt(getSamplerUniformRange().low());
+    stream->writeInt(getSamplerUniformRange().high());
+
+    stream->writeInt(getSamplerBindings().size());
+    for (const auto &samplerBinding : getSamplerBindings())
+    {
+        stream->writeEnum(samplerBinding.textureType);
+        stream->writeInt(samplerBinding.samplerType);
+        stream->writeEnum(samplerBinding.format);
+        stream->writeInt(samplerBinding.boundTextureUnits.size());
+    }
+
+    stream->writeInt(getImageUniformRange().low());
+    stream->writeInt(getImageUniformRange().high());
+
+    stream->writeInt(getImageBindings().size());
+    for (const auto &imageBinding : getImageBindings())
+    {
+        stream->writeInt(imageBinding.boundImageUnits.size());
+        stream->writeInt(static_cast<unsigned int>(imageBinding.textureType));
+        for (size_t i = 0; i < imageBinding.boundImageUnits.size(); ++i)
+        {
+            stream->writeInt(imageBinding.boundImageUnits[i]);
+        }
+    }
+
+    stream->writeInt(getAtomicCounterUniformRange().low());
+    stream->writeInt(getAtomicCounterUniformRange().high());
+
+    // These values are currently only used by PPOs, so only save them when the program is marked
+    // separable to save memory.
+    if (isSeparable)
+    {
+        for (ShaderType shaderType : mLinkedShaderStages)
+        {
+            stream->writeInt(mLinkedOutputVaryings[shaderType].size());
+            for (const sh::ShaderVariable &shaderVariable : mLinkedOutputVaryings[shaderType])
+            {
+                WriteShaderVar(stream, shaderVariable);
+            }
+            stream->writeInt(mLinkedInputVaryings[shaderType].size());
+            for (const sh::ShaderVariable &shaderVariable : mLinkedInputVaryings[shaderType])
+            {
+                WriteShaderVar(stream, shaderVariable);
+            }
+            stream->writeInt(mLinkedUniforms[shaderType].size());
+            for (const sh::ShaderVariable &shaderVariable : mLinkedUniforms[shaderType])
+            {
+                WriteShaderVar(stream, shaderVariable);
+            }
+            stream->writeInt(mLinkedUniformBlocks[shaderType].size());
+            for (const sh::InterfaceBlock &shaderStorageBlock : mLinkedUniformBlocks[shaderType])
+            {
+                WriteShInterfaceBlock(stream, shaderStorageBlock);
+            }
+            stream->writeInt(mLinkedShaderVersions[shaderType]);
+        }
+    }
+}
+
+int ProgramExecutable::getInfoLogLength() const
+{
+    return static_cast<int>(mInfoLog.getLength());
+}
+
+void ProgramExecutable::getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog) const
+{
+    return mInfoLog.getLog(bufSize, length, infoLog);
+}
+
+std::string ProgramExecutable::getInfoLogString() const
+{
+    return mInfoLog.str();
+}
+
+bool ProgramExecutable::isAttribLocationActive(size_t attribLocation) const
+{
+    ASSERT(attribLocation < mActiveAttribLocationsMask.size());
+    return mActiveAttribLocationsMask[attribLocation];
+}
+
+AttributesMask ProgramExecutable::getAttributesMask() const
+{
+    return mAttributesMask;
+}
+
+bool ProgramExecutable::hasDefaultUniforms() const
+{
+    return !getDefaultUniformRange().empty();
+}
+
+bool ProgramExecutable::hasTextures() const
+{
+    return !getSamplerBindings().empty();
+}
+
+bool ProgramExecutable::hasUniformBuffers() const
+{
+    return !mUniformBlocks.empty();
+}
+
+bool ProgramExecutable::hasStorageBuffers() const
+{
+    return !mShaderStorageBlocks.empty();
+}
+
+bool ProgramExecutable::hasAtomicCounterBuffers() const
+{
+    return !mAtomicCounterBuffers.empty();
+}
+
+bool ProgramExecutable::hasImages() const
+{
+    return !mImageBindings.empty();
+}
+
+bool ProgramExecutable::usesFramebufferFetch() const
+{
+    return (mFragmentInoutRange.length() > 0);
+}
+
+GLuint ProgramExecutable::getUniformIndexFromImageIndex(GLuint imageIndex) const
+{
+    ASSERT(imageIndex < mImageUniformRange.length());
+    return imageIndex + mImageUniformRange.low();
+}
+
+GLuint ProgramExecutable::getUniformIndexFromSamplerIndex(GLuint samplerIndex) const
+{
+    ASSERT(samplerIndex < mSamplerUniformRange.length());
+    return samplerIndex + mSamplerUniformRange.low();
+}
+
+void ProgramExecutable::setActive(size_t textureUnit,
+                                  const SamplerBinding &samplerBinding,
+                                  const gl::LinkedUniform &samplerUniform)
+{
+    mActiveSamplersMask.set(textureUnit);
+    mActiveSamplerTypes[textureUnit]      = samplerBinding.textureType;
+    mActiveSamplerYUV[textureUnit]        = IsSamplerYUVType(samplerBinding.samplerType);
+    mActiveSamplerFormats[textureUnit]    = samplerBinding.format;
+    mActiveSamplerShaderBits[textureUnit] = samplerUniform.activeShaders();
+}
+
+void ProgramExecutable::setInactive(size_t textureUnit)
+{
+    mActiveSamplersMask.reset(textureUnit);
+    mActiveSamplerTypes[textureUnit] = TextureType::InvalidEnum;
+    mActiveSamplerYUV.reset(textureUnit);
+    mActiveSamplerFormats[textureUnit] = SamplerFormat::InvalidEnum;
+    mActiveSamplerShaderBits[textureUnit].reset();
+}
+
+void ProgramExecutable::hasSamplerTypeConflict(size_t textureUnit)
+{
+    // Conflicts are marked with InvalidEnum
+    mActiveSamplerYUV.reset(textureUnit);
+    mActiveSamplerTypes[textureUnit] = TextureType::InvalidEnum;
+}
+
+void ProgramExecutable::hasSamplerFormatConflict(size_t textureUnit)
+{
+    // Conflicts are marked with InvalidEnum
+    mActiveSamplerFormats[textureUnit] = SamplerFormat::InvalidEnum;
+}
+
+void ProgramExecutable::updateActiveSamplers(const ProgramState &programState)
+{
+    const std::vector<SamplerBinding> &samplerBindings = programState.getSamplerBindings();
+
+    for (uint32_t samplerIndex = 0; samplerIndex < samplerBindings.size(); ++samplerIndex)
+    {
+        const SamplerBinding &samplerBinding = samplerBindings[samplerIndex];
+
+        for (GLint textureUnit : samplerBinding.boundTextureUnits)
+        {
+            if (++mActiveSamplerRefCounts[textureUnit] == 1)
+            {
+                uint32_t uniformIndex = programState.getUniformIndexFromSamplerIndex(samplerIndex);
+                setActive(textureUnit, samplerBinding, programState.getUniforms()[uniformIndex]);
+            }
+            else
+            {
+                if (mActiveSamplerTypes[textureUnit] != samplerBinding.textureType ||
+                    mActiveSamplerYUV.test(textureUnit) !=
+                        IsSamplerYUVType(samplerBinding.samplerType))
+                {
+                    hasSamplerTypeConflict(textureUnit);
+                }
+
+                if (mActiveSamplerFormats[textureUnit] != samplerBinding.format)
+                {
+                    hasSamplerFormatConflict(textureUnit);
+                }
+            }
+            mActiveSamplersMask.set(textureUnit);
+        }
+    }
+
+    // Invalidate the validation cache.
+    resetCachedValidateSamplersResult();
+}
+
+void ProgramExecutable::updateActiveImages(const ProgramExecutable &executable)
+{
+    const std::vector<ImageBinding> &imageBindings = executable.getImageBindings();
+    for (uint32_t imageIndex = 0; imageIndex < imageBindings.size(); ++imageIndex)
+    {
+        const gl::ImageBinding &imageBinding = imageBindings.at(imageIndex);
+
+        uint32_t uniformIndex = executable.getUniformIndexFromImageIndex(imageIndex);
+        const gl::LinkedUniform &imageUniform = executable.getUniforms()[uniformIndex];
+        const ShaderBitSet shaderBits         = imageUniform.activeShaders();
+        for (GLint imageUnit : imageBinding.boundImageUnits)
+        {
+            mActiveImagesMask.set(imageUnit);
+            mActiveImageShaderBits[imageUnit] |= shaderBits;
+        }
+    }
+}
+
+void ProgramExecutable::setSamplerUniformTextureTypeAndFormat(
+    size_t textureUnitIndex,
+    std::vector<SamplerBinding> &samplerBindings)
+{
+    bool foundBinding         = false;
+    TextureType foundType     = TextureType::InvalidEnum;
+    bool foundYUV             = false;
+    SamplerFormat foundFormat = SamplerFormat::InvalidEnum;
+
+    for (uint32_t samplerIndex = 0; samplerIndex < samplerBindings.size(); ++samplerIndex)
+    {
+        const SamplerBinding &binding = samplerBindings[samplerIndex];
+
+        // A conflict exists if samplers of different types are sourced by the same texture unit.
+        // We need to check all bound textures to detect this error case.
+        for (GLuint textureUnit : binding.boundTextureUnits)
+        {
+            if (textureUnit != textureUnitIndex)
+            {
+                continue;
+            }
+
+            if (!foundBinding)
+            {
+                foundBinding          = true;
+                foundType             = binding.textureType;
+                foundYUV              = IsSamplerYUVType(binding.samplerType);
+                foundFormat           = binding.format;
+                uint32_t uniformIndex = getUniformIndexFromSamplerIndex(samplerIndex);
+                setActive(textureUnit, binding, mUniforms[uniformIndex]);
+            }
+            else
+            {
+                if (foundType != binding.textureType ||
+                    foundYUV != IsSamplerYUVType(binding.samplerType))
+                {
+                    hasSamplerTypeConflict(textureUnit);
+                }
+
+                if (foundFormat != binding.format)
+                {
+                    hasSamplerFormatConflict(textureUnit);
+                }
+            }
+        }
+    }
+}
+
+void ProgramExecutable::updateCanDrawWith()
+{
+    mCanDrawWith = hasLinkedShaderStage(ShaderType::Vertex);
+}
+
+void ProgramExecutable::saveLinkedStateInfo(const Context *context, const ProgramState &state)
+{
+    for (ShaderType shaderType : getLinkedShaderStages())
+    {
+        Shader *shader = state.getAttachedShader(shaderType);
+        ASSERT(shader);
+        mLinkedOutputVaryings[shaderType] = shader->getOutputVaryings(context);
+        mLinkedInputVaryings[shaderType]  = shader->getInputVaryings(context);
+        mLinkedShaderVersions[shaderType] = shader->getShaderVersion(context);
+        mLinkedUniforms[shaderType]       = shader->getUniforms(context);
+        mLinkedUniformBlocks[shaderType]  = shader->getUniformBlocks(context);
+    }
+}
+
+bool ProgramExecutable::isYUVOutput() const
+{
+    return mYUVOutput;
+}
+
+ShaderType ProgramExecutable::getLinkedTransformFeedbackStage() const
+{
+    return GetLastPreFragmentStage(mLinkedShaderStages);
+}
+
+bool ProgramExecutable::linkMergedVaryings(
+    const Context *context,
+    const ProgramMergedVaryings &mergedVaryings,
+    const std::vector<std::string> &transformFeedbackVaryingNames,
+    const LinkingVariables &linkingVariables,
+    bool isSeparable,
+    ProgramVaryingPacking *varyingPacking)
+{
+    ShaderType tfStage = GetLastPreFragmentStage(linkingVariables.isShaderStageUsedBitset);
+
+    if (!linkValidateTransformFeedback(context, mergedVaryings, tfStage,
+                                       transformFeedbackVaryingNames))
+    {
+        return false;
+    }
+
+    // Map the varyings to the register file
+    // In WebGL, we use a slightly different handling for packing variables.
+    gl::PackMode packMode = PackMode::ANGLE_RELAXED;
+    if (context->getLimitations().noFlexibleVaryingPacking)
+    {
+        // D3D9 pack mode is strictly more strict than WebGL, so takes priority.
+        packMode = PackMode::ANGLE_NON_CONFORMANT_D3D9;
+    }
+    else if (context->isWebGL())
+    {
+        packMode = PackMode::WEBGL_STRICT;
+    }
+
+    // Build active shader stage map.
+    ShaderBitSet activeShadersMask;
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        // - Check for attached shaders to handle the case of a Program linking the currently
+        // attached shaders.
+        // - Check for linked shaders to handle the case of a PPO linking separable programs before
+        // drawing.
+        if (linkingVariables.isShaderStageUsedBitset[shaderType] ||
+            getLinkedShaderStages().test(shaderType))
+        {
+            activeShadersMask[shaderType] = true;
+        }
+    }
+
+    if (!varyingPacking->collectAndPackUserVaryings(mInfoLog, context->getCaps(), packMode,
+                                                    activeShadersMask, mergedVaryings,
+                                                    transformFeedbackVaryingNames, isSeparable))
+    {
+        return false;
+    }
+
+    gatherTransformFeedbackVaryings(mergedVaryings, tfStage, transformFeedbackVaryingNames);
+    updateTransformFeedbackStrides();
+
+    return true;
+}
+
+bool ProgramExecutable::linkValidateTransformFeedback(
+    const Context *context,
+    const ProgramMergedVaryings &varyings,
+    ShaderType stage,
+    const std::vector<std::string> &transformFeedbackVaryingNames)
+{
+    const Version &version = context->getClientVersion();
+
+    // Validate the tf names regardless of the actual program varyings.
+    std::set<std::string> uniqueNames;
+    for (const std::string &tfVaryingName : transformFeedbackVaryingNames)
+    {
+        if (version < Version(3, 1) && tfVaryingName.find('[') != std::string::npos)
+        {
+            mInfoLog << "Capture of array elements is undefined and not supported.";
+            return false;
+        }
+        if (version >= Version(3, 1))
+        {
+            if (IncludeSameArrayElement(uniqueNames, tfVaryingName))
+            {
+                mInfoLog << "Two transform feedback varyings include the same array element ("
+                         << tfVaryingName << ").";
+                return false;
+            }
+        }
+        else
+        {
+            if (uniqueNames.count(tfVaryingName) > 0)
+            {
+                mInfoLog << "Two transform feedback varyings specify the same output variable ("
+                         << tfVaryingName << ").";
+                return false;
+            }
+        }
+        uniqueNames.insert(tfVaryingName);
+    }
+
+    // From OpneGLES spec. 11.1.2.1: A program will fail to link if:
+    // the count specified by TransformFeedbackVaryings is non-zero, but the
+    // program object has no vertex, tessellation evaluation, or geometry shader
+    if (transformFeedbackVaryingNames.size() > 0 &&
+        !gl::ShaderTypeSupportsTransformFeedback(getLinkedTransformFeedbackStage()))
+    {
+        mInfoLog << "Linked transform feedback stage " << getLinkedTransformFeedbackStage()
+                 << " does not support transform feedback varying.";
+        return false;
+    }
+
+    // Validate against program varyings.
+    size_t totalComponents = 0;
+    for (const std::string &tfVaryingName : transformFeedbackVaryingNames)
+    {
+        std::vector<unsigned int> subscripts;
+        std::string baseName = ParseResourceName(tfVaryingName, &subscripts);
+
+        const sh::ShaderVariable *var = FindOutputVaryingOrField(varyings, stage, baseName);
+        if (var == nullptr)
+        {
+            mInfoLog << "Transform feedback varying " << tfVaryingName
+                     << " does not exist in the vertex shader.";
+            return false;
+        }
+
+        // Validate the matching variable.
+        if (var->isStruct())
+        {
+            mInfoLog << "Struct cannot be captured directly (" << baseName << ").";
+            return false;
+        }
+
+        size_t elementCount   = 0;
+        size_t componentCount = 0;
+
+        if (var->isArray())
+        {
+            if (version < Version(3, 1))
+            {
+                mInfoLog << "Capture of arrays is undefined and not supported.";
+                return false;
+            }
+
+            // GLSL ES 3.10 section 4.3.6: A vertex output can't be an array of arrays.
+            ASSERT(!var->isArrayOfArrays());
+
+            if (!subscripts.empty() && subscripts[0] >= var->getOutermostArraySize())
+            {
+                mInfoLog << "Cannot capture outbound array element '" << tfVaryingName << "'.";
+                return false;
+            }
+            elementCount = (subscripts.empty() ? var->getOutermostArraySize() : 1);
+        }
+        else
+        {
+            if (!subscripts.empty())
+            {
+                mInfoLog << "Varying '" << baseName
+                         << "' is not an array to be captured by element.";
+                return false;
+            }
+            elementCount = 1;
+        }
+
+        const Caps &caps = context->getCaps();
+
+        // TODO(jmadill): Investigate implementation limits on D3D11
+        componentCount = VariableComponentCount(var->type) * elementCount;
+        if (mTransformFeedbackBufferMode == GL_SEPARATE_ATTRIBS &&
+            componentCount > static_cast<GLuint>(caps.maxTransformFeedbackSeparateComponents))
+        {
+            mInfoLog << "Transform feedback varying " << tfVaryingName << " components ("
+                     << componentCount << ") exceed the maximum separate components ("
+                     << caps.maxTransformFeedbackSeparateComponents << ").";
+            return false;
+        }
+
+        totalComponents += componentCount;
+        if (mTransformFeedbackBufferMode == GL_INTERLEAVED_ATTRIBS &&
+            totalComponents > static_cast<GLuint>(caps.maxTransformFeedbackInterleavedComponents))
+        {
+            mInfoLog << "Transform feedback varying total components (" << totalComponents
+                     << ") exceed the maximum interleaved components ("
+                     << caps.maxTransformFeedbackInterleavedComponents << ").";
+            return false;
+        }
+    }
+    return true;
+}
+
+void ProgramExecutable::gatherTransformFeedbackVaryings(
+    const ProgramMergedVaryings &varyings,
+    ShaderType stage,
+    const std::vector<std::string> &transformFeedbackVaryingNames)
+{
+    // Gather the linked varyings that are used for transform feedback, they should all exist.
+    mLinkedTransformFeedbackVaryings.clear();
+    for (const std::string &tfVaryingName : transformFeedbackVaryingNames)
+    {
+        std::vector<unsigned int> subscripts;
+        std::string baseName = ParseResourceName(tfVaryingName, &subscripts);
+        size_t subscript     = GL_INVALID_INDEX;
+        if (!subscripts.empty())
+        {
+            subscript = subscripts.back();
+        }
+        for (const ProgramVaryingRef &ref : varyings)
+        {
+            if (ref.frontShaderStage != stage)
+            {
+                continue;
+            }
+
+            const sh::ShaderVariable *varying = ref.get(stage);
+            if (baseName == varying->name)
+            {
+                mLinkedTransformFeedbackVaryings.emplace_back(*varying,
+                                                              static_cast<GLuint>(subscript));
+                break;
+            }
+            else if (varying->isStruct())
+            {
+                GLuint fieldIndex = 0;
+                const auto *field = varying->findField(tfVaryingName, &fieldIndex);
+                if (field != nullptr)
+                {
+                    mLinkedTransformFeedbackVaryings.emplace_back(*field, *varying);
+                    break;
+                }
+            }
+        }
+    }
+}
+
+void ProgramExecutable::updateTransformFeedbackStrides()
+{
+    if (mLinkedTransformFeedbackVaryings.empty())
+    {
+        return;
+    }
+
+    if (mTransformFeedbackBufferMode == GL_INTERLEAVED_ATTRIBS)
+    {
+        mTransformFeedbackStrides.resize(1);
+        size_t totalSize = 0;
+        for (const TransformFeedbackVarying &varying : mLinkedTransformFeedbackVaryings)
+        {
+            totalSize += varying.size() * VariableExternalSize(varying.type);
+        }
+        mTransformFeedbackStrides[0] = static_cast<GLsizei>(totalSize);
+    }
+    else
+    {
+        mTransformFeedbackStrides.resize(mLinkedTransformFeedbackVaryings.size());
+        for (size_t i = 0; i < mLinkedTransformFeedbackVaryings.size(); i++)
+        {
+            TransformFeedbackVarying &varying = mLinkedTransformFeedbackVaryings[i];
+            mTransformFeedbackStrides[i] =
+                static_cast<GLsizei>(varying.size() * VariableExternalSize(varying.type));
+        }
+    }
+}
+
+bool ProgramExecutable::validateSamplersImpl(InfoLog *infoLog, const Caps &caps) const
+{
+    // if any two active samplers in a program are of different types, but refer to the same
+    // texture image unit, and this is the current program, then ValidateProgram will fail, and
+    // DrawArrays and DrawElements will issue the INVALID_OPERATION error.
+    for (size_t textureUnit : mActiveSamplersMask)
+    {
+        if (mActiveSamplerTypes[textureUnit] == TextureType::InvalidEnum)
+        {
+            if (infoLog)
+            {
+                (*infoLog) << "Samplers of conflicting types refer to the same texture "
+                              "image unit ("
+                           << textureUnit << ").";
+            }
+
+            mCachedValidateSamplersResult = false;
+            return false;
+        }
+
+        if (mActiveSamplerFormats[textureUnit] == SamplerFormat::InvalidEnum)
+        {
+            if (infoLog)
+            {
+                (*infoLog) << "Samplers of conflicting formats refer to the same texture "
+                              "image unit ("
+                           << textureUnit << ").";
+            }
+
+            mCachedValidateSamplersResult = false;
+            return false;
+        }
+    }
+
+    mCachedValidateSamplersResult = true;
+    return true;
+}
+
+bool ProgramExecutable::linkValidateOutputVariables(
+    const Caps &caps,
+    const Extensions &extensions,
+    const Version &version,
+    GLuint combinedImageUniformsCount,
+    GLuint combinedShaderStorageBlocksCount,
+    const std::vector<sh::ShaderVariable> &outputVariables,
+    int fragmentShaderVersion,
+    const ProgramAliasedBindings &fragmentOutputLocations,
+    const ProgramAliasedBindings &fragmentOutputIndices)
+{
+    ASSERT(mOutputVariableTypes.empty());
+    ASSERT(mActiveOutputVariablesMask.none());
+    ASSERT(mDrawBufferTypeMask.none());
+    ASSERT(!mYUVOutput);
+
+    // Gather output variable types
+    for (const sh::ShaderVariable &outputVariable : outputVariables)
+    {
+        if (outputVariable.isBuiltIn() && outputVariable.name != "gl_FragColor" &&
+            outputVariable.name != "gl_FragData")
+        {
+            continue;
+        }
+
+        unsigned int baseLocation =
+            (outputVariable.location == -1 ? 0u
+                                           : static_cast<unsigned int>(outputVariable.location));
+
+        // GLSL ES 3.10 section 4.3.6: Output variables cannot be arrays of arrays or arrays of
+        // structures, so we may use getBasicTypeElementCount().
+        unsigned int elementCount = outputVariable.getBasicTypeElementCount();
+        for (unsigned int elementIndex = 0; elementIndex < elementCount; elementIndex++)
+        {
+            const unsigned int location = baseLocation + elementIndex;
+            if (location >= mOutputVariableTypes.size())
+            {
+                mOutputVariableTypes.resize(location + 1, GL_NONE);
+            }
+            ASSERT(location < mActiveOutputVariablesMask.size());
+            mActiveOutputVariablesMask.set(location);
+            mOutputVariableTypes[location] = VariableComponentType(outputVariable.type);
+            ComponentType componentType    = GLenumToComponentType(mOutputVariableTypes[location]);
+            SetComponentTypeMask(componentType, location, &mDrawBufferTypeMask);
+        }
+
+        if (outputVariable.yuv)
+        {
+            ASSERT(outputVariables.size() == 1);
+            mYUVOutput = true;
+        }
+    }
+
+    if (version >= ES_3_1)
+    {
+        // [OpenGL ES 3.1] Chapter 8.22 Page 203:
+        // A link error will be generated if the sum of the number of active image uniforms used in
+        // all shaders, the number of active shader storage blocks, and the number of active
+        // fragment shader outputs exceeds the implementation-dependent value of
+        // MAX_COMBINED_SHADER_OUTPUT_RESOURCES.
+        if (combinedImageUniformsCount + combinedShaderStorageBlocksCount +
+                mActiveOutputVariablesMask.count() >
+            static_cast<GLuint>(caps.maxCombinedShaderOutputResources))
+        {
+            mInfoLog
+                << "The sum of the number of active image uniforms, active shader storage blocks "
+                   "and active fragment shader outputs exceeds "
+                   "MAX_COMBINED_SHADER_OUTPUT_RESOURCES ("
+                << caps.maxCombinedShaderOutputResources << ")";
+            return false;
+        }
+    }
+
+    mOutputVariables = outputVariables;
+
+    if (fragmentShaderVersion == 100)
+    {
+        return true;
+    }
+
+    // EXT_blend_func_extended doesn't specify anything related to binding specific elements of an
+    // output array in explicit terms.
+    //
+    // Assuming fragData is an output array, you can defend the position that:
+    // P1) you must support binding "fragData" because it's specified
+    // P2) you must support querying "fragData[x]" because it's specified
+    // P3) you must support binding "fragData[0]" because it's a frequently used pattern
+    //
+    // Then you can make the leap of faith:
+    // P4) you must support binding "fragData[x]" because you support "fragData[0]"
+    // P5) you must support binding "fragData[x]" because you support querying "fragData[x]"
+    //
+    // The spec brings in the "world of arrays" when it mentions binding the arrays and the
+    // automatic binding. Thus it must be interpreted that the thing is not undefined, rather you
+    // must infer the only possible interpretation (?). Note again: this need of interpretation
+    // might be completely off of what GL spec logic is.
+    //
+    // The other complexity is that unless you implement this feature, it's hard to understand what
+    // should happen when the client invokes the feature. You cannot add an additional error as it
+    // is not specified. One can ignore it, but obviously it creates the discrepancies...
+
+    std::vector<VariableLocation> reservedLocations;
+
+    // Process any output API bindings for arrays that don't alias to the first element.
+    for (const auto &bindingPair : fragmentOutputLocations)
+    {
+        const std::string &name       = bindingPair.first;
+        const ProgramBinding &binding = bindingPair.second;
+
+        size_t nameLengthWithoutArrayIndex;
+        unsigned int arrayIndex = ParseArrayIndex(name, &nameLengthWithoutArrayIndex);
+        if (arrayIndex == 0 || arrayIndex == GL_INVALID_INDEX)
+        {
+            continue;
+        }
+        for (unsigned int outputVariableIndex = 0; outputVariableIndex < mOutputVariables.size();
+             outputVariableIndex++)
+        {
+            const sh::ShaderVariable &outputVariable = mOutputVariables[outputVariableIndex];
+            // Check that the binding corresponds to an output array and its array index fits.
+            if (outputVariable.isBuiltIn() || !outputVariable.isArray() ||
+                !angle::BeginsWith(outputVariable.name, name, nameLengthWithoutArrayIndex) ||
+                arrayIndex >= outputVariable.getOutermostArraySize())
+            {
+                continue;
+            }
+
+            // Get the API index that corresponds to this exact binding.
+            // This index may differ from the index used for the array's base.
+            std::vector<VariableLocation> &outputLocations =
+                fragmentOutputIndices.getBindingByName(name) == 1 ? mSecondaryOutputLocations
+                                                                  : mOutputLocations;
+            unsigned int location = binding.location;
+            VariableLocation locationInfo(arrayIndex, outputVariableIndex);
+            if (location >= outputLocations.size())
+            {
+                outputLocations.resize(location + 1);
+            }
+            if (outputLocations[location].used())
+            {
+                mInfoLog << "Location of variable " << outputVariable.name
+                         << " conflicts with another variable.";
+                return false;
+            }
+            outputLocations[location] = locationInfo;
+
+            // Note the array binding location so that it can be skipped later.
+            reservedLocations.push_back(locationInfo);
+        }
+    }
+
+    // Reserve locations for output variables whose location is fixed in the shader or through the
+    // API. Otherwise, the remaining unallocated outputs will be processed later.
+    for (unsigned int outputVariableIndex = 0; outputVariableIndex < mOutputVariables.size();
+         outputVariableIndex++)
+    {
+        const sh::ShaderVariable &outputVariable = mOutputVariables[outputVariableIndex];
+
+        // Don't store outputs for gl_FragDepth, gl_FragColor, etc.
+        if (outputVariable.isBuiltIn())
+            continue;
+
+        int fixedLocation = GetOutputLocationForLink(fragmentOutputLocations, outputVariable);
+        if (fixedLocation == -1)
+        {
+            // Here we're only reserving locations for variables whose location is fixed.
+            continue;
+        }
+        unsigned int baseLocation = static_cast<unsigned int>(fixedLocation);
+
+        std::vector<VariableLocation> &outputLocations =
+            IsOutputSecondaryForLink(fragmentOutputIndices, outputVariable)
+                ? mSecondaryOutputLocations
+                : mOutputLocations;
+
+        // GLSL ES 3.10 section 4.3.6: Output variables cannot be arrays of arrays or arrays of
+        // structures, so we may use getBasicTypeElementCount().
+        unsigned int elementCount = outputVariable.getBasicTypeElementCount();
+        if (FindUsedOutputLocation(outputLocations, baseLocation, elementCount, reservedLocations,
+                                   outputVariableIndex))
+        {
+            mInfoLog << "Location of variable " << outputVariable.name
+                     << " conflicts with another variable.";
+            return false;
+        }
+        AssignOutputLocations(outputLocations, baseLocation, elementCount, reservedLocations,
+                              outputVariableIndex, mOutputVariables[outputVariableIndex]);
+    }
+
+    // Here we assign locations for the output variables that don't yet have them. Note that we're
+    // not necessarily able to fit the variables optimally, since then we might have to try
+    // different arrangements of output arrays. Now we just assign the locations in the order that
+    // we got the output variables. The spec isn't clear on what kind of algorithm is required for
+    // finding locations for the output variables, so this should be acceptable at least for now.
+    GLuint maxLocation = static_cast<GLuint>(caps.maxDrawBuffers);
+    if (!mSecondaryOutputLocations.empty())
+    {
+        // EXT_blend_func_extended: Program outputs will be validated against
+        // MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT if there's even one output with index one.
+        maxLocation = caps.maxDualSourceDrawBuffers;
+    }
+
+    for (unsigned int outputVariableIndex = 0; outputVariableIndex < mOutputVariables.size();
+         outputVariableIndex++)
+    {
+        const sh::ShaderVariable &outputVariable = mOutputVariables[outputVariableIndex];
+
+        // Don't store outputs for gl_FragDepth, gl_FragColor, etc.
+        if (outputVariable.isBuiltIn())
+            continue;
+
+        int fixedLocation = GetOutputLocationForLink(fragmentOutputLocations, outputVariable);
+        std::vector<VariableLocation> &outputLocations =
+            IsOutputSecondaryForLink(fragmentOutputIndices, outputVariable)
+                ? mSecondaryOutputLocations
+                : mOutputLocations;
+        unsigned int baseLocation = 0;
+        unsigned int elementCount = outputVariable.getBasicTypeElementCount();
+        if (fixedLocation != -1)
+        {
+            // Secondary inputs might have caused the max location to drop below what has already
+            // been explicitly assigned locations. Check for any fixed locations above the max
+            // that should cause linking to fail.
+            baseLocation = static_cast<unsigned int>(fixedLocation);
+        }
+        else
+        {
+            // No fixed location, so try to fit the output in unassigned locations.
+            // Try baseLocations starting from 0 one at a time and see if the variable fits.
+            while (FindUsedOutputLocation(outputLocations, baseLocation, elementCount,
+                                          reservedLocations, outputVariableIndex))
+            {
+                baseLocation++;
+            }
+            AssignOutputLocations(outputLocations, baseLocation, elementCount, reservedLocations,
+                                  outputVariableIndex, mOutputVariables[outputVariableIndex]);
+        }
+
+        // Check for any elements assigned above the max location that are actually used.
+        if (baseLocation + elementCount > maxLocation &&
+            (baseLocation >= maxLocation ||
+             FindUsedOutputLocation(outputLocations, maxLocation,
+                                    baseLocation + elementCount - maxLocation, reservedLocations,
+                                    outputVariableIndex)))
+        {
+            // EXT_blend_func_extended: Linking can fail:
+            // "if the explicit binding assignments do not leave enough space for the linker to
+            // automatically assign a location for a varying out array, which requires multiple
+            // contiguous locations."
+            mInfoLog << "Could not fit output variable into available locations: "
+                     << outputVariable.name;
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ProgramExecutable::linkUniforms(
+    const Context *context,
+    const ShaderMap<std::vector<sh::ShaderVariable>> &shaderUniforms,
+    InfoLog &infoLog,
+    const ProgramAliasedBindings &uniformLocationBindings,
+    GLuint *combinedImageUniformsCountOut,
+    std::vector<UnusedUniform> *unusedUniformsOutOrNull,
+    std::vector<VariableLocation> *uniformLocationsOutOrNull)
+{
+    UniformLinker linker(mLinkedShaderStages, shaderUniforms);
+    if (!linker.link(context->getCaps(), infoLog, uniformLocationBindings))
+    {
+        return false;
+    }
+
+    linker.getResults(&mUniforms, unusedUniformsOutOrNull, uniformLocationsOutOrNull);
+
+    linkSamplerAndImageBindings(combinedImageUniformsCountOut);
+
+    if (!linkAtomicCounterBuffers(context, infoLog))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+void ProgramExecutable::linkSamplerAndImageBindings(GLuint *combinedImageUniforms)
+{
+    ASSERT(combinedImageUniforms);
+
+    // Iterate over mExecutable->mUniforms from the back, and find the range of subpass inputs,
+    // atomic counters, images and samplers in that order.
+    auto highIter = mUniforms.rbegin();
+    auto lowIter  = highIter;
+
+    unsigned int high = static_cast<unsigned int>(mUniforms.size());
+    unsigned int low  = high;
+
+    // Note that uniform block uniforms are not yet appended to this list.
+    ASSERT(mUniforms.empty() || highIter->isAtomicCounter() || highIter->isImage() ||
+           highIter->isSampler() || highIter->isInDefaultBlock() || highIter->isFragmentInOut);
+
+    for (; lowIter != mUniforms.rend() && lowIter->isFragmentInOut; ++lowIter)
+    {
+        --low;
+    }
+
+    mFragmentInoutRange = RangeUI(low, high);
+
+    highIter = lowIter;
+    high     = low;
+
+    for (; lowIter != mUniforms.rend() && lowIter->isAtomicCounter(); ++lowIter)
+    {
+        --low;
+    }
+
+    mAtomicCounterUniformRange = RangeUI(low, high);
+
+    highIter = lowIter;
+    high     = low;
+
+    for (; lowIter != mUniforms.rend() && lowIter->isImage(); ++lowIter)
+    {
+        --low;
+    }
+
+    mImageUniformRange     = RangeUI(low, high);
+    *combinedImageUniforms = 0u;
+    // If uniform is a image type, insert it into the mImageBindings array.
+    for (unsigned int imageIndex : mImageUniformRange)
+    {
+        // ES3.1 (section 7.6.1) and GLSL ES3.1 (section 4.4.5), Uniform*i{v} commands
+        // cannot load values into a uniform defined as an image. if declare without a
+        // binding qualifier, any uniform image variable (include all elements of
+        // unbound image array) should be bound to unit zero.
+        auto &imageUniform      = mUniforms[imageIndex];
+        TextureType textureType = ImageTypeToTextureType(imageUniform.type);
+        const GLuint arraySize  = imageUniform.isArray() ? imageUniform.arraySizes[0] : 1u;
+
+        if (imageUniform.binding == -1)
+        {
+            mImageBindings.emplace_back(
+                ImageBinding(imageUniform.getBasicTypeElementCount(), textureType));
+        }
+        else
+        {
+            // The arrays of arrays are flattened to arrays, it needs to record the array offset for
+            // the correct binding image unit.
+            mImageBindings.emplace_back(
+                ImageBinding(imageUniform.binding + imageUniform.parentArrayIndex() * arraySize,
+                             imageUniform.getBasicTypeElementCount(), textureType));
+        }
+
+        *combinedImageUniforms += imageUniform.activeShaderCount() * arraySize;
+    }
+
+    highIter = lowIter;
+    high     = low;
+
+    for (; lowIter != mUniforms.rend() && lowIter->isSampler(); ++lowIter)
+    {
+        --low;
+    }
+
+    mSamplerUniformRange = RangeUI(low, high);
+
+    // If uniform is a sampler type, insert it into the mSamplerBindings array.
+    for (unsigned int samplerIndex : mSamplerUniformRange)
+    {
+        const auto &samplerUniform = mUniforms[samplerIndex];
+        TextureType textureType    = SamplerTypeToTextureType(samplerUniform.type);
+        GLenum samplerType         = samplerUniform.typeInfo->type;
+        unsigned int elementCount  = samplerUniform.getBasicTypeElementCount();
+        SamplerFormat format       = samplerUniform.typeInfo->samplerFormat;
+        mSamplerBindings.emplace_back(textureType, samplerType, format, elementCount);
+    }
+
+    // Whatever is left constitutes the default uniforms.
+    mDefaultUniformRange = RangeUI(0, low);
+}
+
+bool ProgramExecutable::linkAtomicCounterBuffers(const Context *context, InfoLog &infoLog)
+{
+    for (unsigned int index : mAtomicCounterUniformRange)
+    {
+        auto &uniform                      = mUniforms[index];
+        uniform.blockInfo.offset           = uniform.offset;
+        uniform.blockInfo.arrayStride      = (uniform.isArray() ? 4 : 0);
+        uniform.blockInfo.matrixStride     = 0;
+        uniform.blockInfo.isRowMajorMatrix = false;
+
+        bool found = false;
+        for (unsigned int bufferIndex = 0; bufferIndex < getActiveAtomicCounterBufferCount();
+             ++bufferIndex)
+        {
+            auto &buffer = mAtomicCounterBuffers[bufferIndex];
+            if (buffer.binding == uniform.binding)
+            {
+                buffer.memberIndexes.push_back(index);
+                uniform.bufferIndex = bufferIndex;
+                found               = true;
+                buffer.unionReferencesWith(uniform);
+                break;
+            }
+        }
+        if (!found)
+        {
+            AtomicCounterBuffer atomicCounterBuffer;
+            atomicCounterBuffer.binding = uniform.binding;
+            atomicCounterBuffer.memberIndexes.push_back(index);
+            atomicCounterBuffer.unionReferencesWith(uniform);
+            mAtomicCounterBuffers.push_back(atomicCounterBuffer);
+            uniform.bufferIndex = static_cast<int>(getActiveAtomicCounterBufferCount() - 1);
+        }
+    }
+
+    // Count each atomic counter buffer to validate against
+    // per-stage and combined gl_Max*AtomicCounterBuffers.
+    GLint combinedShaderACBCount           = 0;
+    gl::ShaderMap<GLint> perShaderACBCount = {};
+    for (unsigned int bufferIndex = 0; bufferIndex < getActiveAtomicCounterBufferCount();
+         ++bufferIndex)
+    {
+        AtomicCounterBuffer &acb        = mAtomicCounterBuffers[bufferIndex];
+        const ShaderBitSet shaderStages = acb.activeShaders();
+        for (gl::ShaderType shaderType : shaderStages)
+        {
+            ++perShaderACBCount[shaderType];
+        }
+        ++combinedShaderACBCount;
+    }
+    const Caps &caps = context->getCaps();
+    if (combinedShaderACBCount > caps.maxCombinedAtomicCounterBuffers)
+    {
+        infoLog << " combined AtomicCounterBuffers count exceeds limit";
+        return false;
+    }
+    for (gl::ShaderType stage : gl::AllShaderTypes())
+    {
+        if (perShaderACBCount[stage] > caps.maxShaderAtomicCounterBuffers[stage])
+        {
+            infoLog << GetShaderTypeString(stage)
+                    << " shader AtomicCounterBuffers count exceeds limit";
+            return false;
+        }
+    }
+    return true;
+}
+
+void ProgramExecutable::copyInputsFromProgram(const ProgramState &programState)
+{
+    mProgramInputs = programState.getProgramInputs();
+}
+
+void ProgramExecutable::copyShaderBuffersFromProgram(const ProgramState &programState,
+                                                     ShaderType shaderType)
+{
+    AppendActiveBlocks(shaderType, programState.getUniformBlocks(), mUniformBlocks);
+    AppendActiveBlocks(shaderType, programState.getShaderStorageBlocks(), mShaderStorageBlocks);
+    AppendActiveBlocks(shaderType, programState.getAtomicCounterBuffers(), mAtomicCounterBuffers);
+}
+
+void ProgramExecutable::clearSamplerBindings()
+{
+    mSamplerBindings.clear();
+}
+
+void ProgramExecutable::copySamplerBindingsFromProgram(const ProgramState &programState)
+{
+    const std::vector<SamplerBinding> &bindings = programState.getSamplerBindings();
+    mSamplerBindings.insert(mSamplerBindings.end(), bindings.begin(), bindings.end());
+}
+
+void ProgramExecutable::copyImageBindingsFromProgram(const ProgramState &programState)
+{
+    const std::vector<ImageBinding> &bindings = programState.getImageBindings();
+    mImageBindings.insert(mImageBindings.end(), bindings.begin(), bindings.end());
+}
+
+void ProgramExecutable::copyOutputsFromProgram(const ProgramState &programState)
+{
+    mOutputVariables          = programState.getOutputVariables();
+    mOutputLocations          = programState.getOutputLocations();
+    mSecondaryOutputLocations = programState.getSecondaryOutputLocations();
+}
+
+void ProgramExecutable::copyUniformsFromProgramMap(const ShaderMap<Program *> &programs)
+{
+    // Merge default uniforms.
+    auto getDefaultRange = [](const ProgramState &state) { return state.getDefaultUniformRange(); };
+    mDefaultUniformRange = AddUniforms(programs, mLinkedShaderStages, mUniforms, getDefaultRange);
+
+    // Merge sampler uniforms.
+    auto getSamplerRange = [](const ProgramState &state) { return state.getSamplerUniformRange(); };
+    mSamplerUniformRange = AddUniforms(programs, mLinkedShaderStages, mUniforms, getSamplerRange);
+
+    // Merge image uniforms.
+    auto getImageRange = [](const ProgramState &state) { return state.getImageUniformRange(); };
+    mImageUniformRange = AddUniforms(programs, mLinkedShaderStages, mUniforms, getImageRange);
+
+    // Merge atomic counter uniforms.
+    auto getAtomicRange = [](const ProgramState &state) {
+        return state.getAtomicCounterUniformRange();
+    };
+    mAtomicCounterUniformRange =
+        AddUniforms(programs, mLinkedShaderStages, mUniforms, getAtomicRange);
+
+    // Merge fragment in/out uniforms.
+    auto getInoutRange  = [](const ProgramState &state) { return state.getFragmentInoutRange(); };
+    mFragmentInoutRange = AddUniforms(programs, mLinkedShaderStages, mUniforms, getInoutRange);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/ProgramExecutable.h b/gfx/angle/checkout/src/libANGLE/ProgramExecutable.h
new file mode 100644
index 0000000000..4344ef4b5a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ProgramExecutable.h
@@ -0,0 +1,517 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ProgramExecutable.h: Collects the information and interfaces common to both Programs and
+// ProgramPipelines in order to execute/draw with either.
+
+#ifndef LIBANGLE_PROGRAMEXECUTABLE_H_
+#define LIBANGLE_PROGRAMEXECUTABLE_H_
+
+#include "BinaryStream.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/InfoLog.h"
+#include "libANGLE/ProgramLinkedResources.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/VaryingPacking.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+
+// This small structure encapsulates binding sampler uniforms to active GL textures.
+struct SamplerBinding
+{
+    SamplerBinding(TextureType textureTypeIn,
+                   GLenum samplerTypeIn,
+                   SamplerFormat formatIn,
+                   size_t elementCount);
+    SamplerBinding(const SamplerBinding &other);
+    ~SamplerBinding();
+
+    // Necessary for retrieving active textures from the GL state.
+    TextureType textureType;
+
+    GLenum samplerType;
+
+    SamplerFormat format;
+
+    // List of all textures bound to this sampler, of type textureType.
+    // Cropped by the amount of unused elements reported by the driver.
+    std::vector<GLuint> boundTextureUnits;
+};
+
+struct ImageBinding
+{
+    ImageBinding(size_t count, TextureType textureTypeIn);
+    ImageBinding(GLuint imageUnit, size_t count, TextureType textureTypeIn);
+    ImageBinding(const ImageBinding &other);
+    ~ImageBinding();
+
+    // Necessary for distinguishing between textures with images and texture buffers.
+    TextureType textureType;
+
+    // List of all textures bound.
+    // Cropped by the amount of unused elements reported by the driver.
+    std::vector<GLuint> boundImageUnits;
+};
+
+// A varying with transform feedback enabled. If it's an array, either the whole array or one of its
+// elements specified by 'arrayIndex' can set to be enabled.
+struct TransformFeedbackVarying : public sh::ShaderVariable
+{
+    TransformFeedbackVarying(const sh::ShaderVariable &varyingIn, GLuint arrayIndexIn)
+        : sh::ShaderVariable(varyingIn), arrayIndex(arrayIndexIn)
+    {
+        ASSERT(!isArrayOfArrays());
+    }
+
+    TransformFeedbackVarying(const sh::ShaderVariable &field, const sh::ShaderVariable &parent)
+        : arrayIndex(GL_INVALID_INDEX)
+    {
+        sh::ShaderVariable *thisVar = this;
+        *thisVar                    = field;
+        interpolation               = parent.interpolation;
+        isInvariant                 = parent.isInvariant;
+        ASSERT(parent.isShaderIOBlock || !parent.name.empty());
+        if (!parent.name.empty())
+        {
+            name       = parent.name + "." + name;
+            mappedName = parent.mappedName + "." + mappedName;
+        }
+        structOrBlockName       = parent.structOrBlockName;
+        mappedStructOrBlockName = parent.mappedStructOrBlockName;
+    }
+
+    std::string nameWithArrayIndex() const
+    {
+        std::stringstream fullNameStr;
+        fullNameStr << name;
+        if (arrayIndex != GL_INVALID_INDEX)
+        {
+            fullNameStr << "[" << arrayIndex << "]";
+        }
+        return fullNameStr.str();
+    }
+    GLsizei size() const
+    {
+        return (isArray() && arrayIndex == GL_INVALID_INDEX ? getOutermostArraySize() : 1);
+    }
+
+    GLuint arrayIndex;
+};
+
+class ProgramState;
+class ProgramPipelineState;
+
+class ProgramExecutable final : public angle::Subject
+{
+  public:
+    ProgramExecutable();
+    ProgramExecutable(const ProgramExecutable &other);
+    ~ProgramExecutable() override;
+
+    void reset(bool clearInfoLog);
+
+    void save(bool isSeparable, gl::BinaryOutputStream *stream) const;
+    void load(bool isSeparable, gl::BinaryInputStream *stream);
+
+    int getInfoLogLength() const;
+    InfoLog &getInfoLog() { return mInfoLog; }
+    void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog) const;
+    std::string getInfoLogString() const;
+    void resetInfoLog() { mInfoLog.reset(); }
+
+    void resetLinkedShaderStages() { mLinkedShaderStages.reset(); }
+    const ShaderBitSet &getLinkedShaderStages() const { return mLinkedShaderStages; }
+    void setLinkedShaderStages(ShaderType shaderType)
+    {
+        mLinkedShaderStages.set(shaderType);
+        updateCanDrawWith();
+    }
+    bool hasLinkedShaderStage(ShaderType shaderType) const
+    {
+        ASSERT(shaderType != ShaderType::InvalidEnum);
+        return mLinkedShaderStages[shaderType];
+    }
+    size_t getLinkedShaderStageCount() const { return mLinkedShaderStages.count(); }
+    bool hasLinkedGraphicsShader() const
+    {
+        return mLinkedShaderStages.any() &&
+               mLinkedShaderStages != gl::ShaderBitSet{gl::ShaderType::Compute};
+    }
+    bool hasLinkedTessellationShader() const
+    {
+        return mLinkedShaderStages[ShaderType::TessEvaluation];
+    }
+
+    ShaderType getLinkedTransformFeedbackStage() const;
+
+    const AttributesMask &getActiveAttribLocationsMask() const
+    {
+        return mActiveAttribLocationsMask;
+    }
+    bool isAttribLocationActive(size_t attribLocation) const;
+    const AttributesMask &getNonBuiltinAttribLocationsMask() const { return mAttributesMask; }
+    unsigned int getMaxActiveAttribLocation() const { return mMaxActiveAttribLocation; }
+    const ComponentTypeMask &getAttributesTypeMask() const { return mAttributesTypeMask; }
+    AttributesMask getAttributesMask() const;
+
+    const ActiveTextureMask &getActiveSamplersMask() const { return mActiveSamplersMask; }
+    void setActiveTextureMask(ActiveTextureMask mask) { mActiveSamplersMask = mask; }
+    SamplerFormat getSamplerFormatForTextureUnitIndex(size_t textureUnitIndex) const
+    {
+        return mActiveSamplerFormats[textureUnitIndex];
+    }
+    const ShaderBitSet getSamplerShaderBitsForTextureUnitIndex(size_t textureUnitIndex) const
+    {
+        return mActiveSamplerShaderBits[textureUnitIndex];
+    }
+    const ActiveTextureMask &getActiveImagesMask() const { return mActiveImagesMask; }
+    void setActiveImagesMask(ActiveTextureMask mask) { mActiveImagesMask = mask; }
+    const ActiveTextureArray<ShaderBitSet> &getActiveImageShaderBits() const
+    {
+        return mActiveImageShaderBits;
+    }
+
+    const ActiveTextureMask &getActiveYUVSamplers() const { return mActiveSamplerYUV; }
+
+    const ActiveTextureArray<TextureType> &getActiveSamplerTypes() const
+    {
+        return mActiveSamplerTypes;
+    }
+
+    void setActive(size_t textureUnit,
+                   const SamplerBinding &samplerBinding,
+                   const gl::LinkedUniform &samplerUniform);
+    void setInactive(size_t textureUnit);
+    void hasSamplerTypeConflict(size_t textureUnit);
+    void hasSamplerFormatConflict(size_t textureUnit);
+
+    void updateActiveSamplers(const ProgramState &programState);
+
+    bool hasDefaultUniforms() const;
+    bool hasTextures() const;
+    bool hasUniformBuffers() const;
+    bool hasStorageBuffers() const;
+    bool hasAtomicCounterBuffers() const;
+    bool hasImages() const;
+    bool hasTransformFeedbackOutput() const
+    {
+        return !getLinkedTransformFeedbackVaryings().empty();
+    }
+    bool usesFramebufferFetch() const;
+
+    // Count the number of uniform and storage buffer declarations, counting arrays as one.
+    size_t getTransformFeedbackBufferCount() const { return mTransformFeedbackStrides.size(); }
+
+    void updateCanDrawWith();
+    bool hasVertexShader() const { return mCanDrawWith; }
+
+    const std::vector<sh::ShaderVariable> &getProgramInputs() const { return mProgramInputs; }
+    const std::vector<sh::ShaderVariable> &getOutputVariables() const { return mOutputVariables; }
+    const std::vector<VariableLocation> &getOutputLocations() const { return mOutputLocations; }
+    const std::vector<VariableLocation> &getSecondaryOutputLocations() const
+    {
+        return mSecondaryOutputLocations;
+    }
+    const std::vector<LinkedUniform> &getUniforms() const { return mUniforms; }
+    const std::vector<InterfaceBlock> &getUniformBlocks() const { return mUniformBlocks; }
+    const UniformBlockBindingMask &getActiveUniformBlockBindings() const
+    {
+        return mActiveUniformBlockBindings;
+    }
+    const std::vector<SamplerBinding> &getSamplerBindings() const { return mSamplerBindings; }
+    const std::vector<ImageBinding> &getImageBindings() const { return mImageBindings; }
+    std::vector<ImageBinding> *getImageBindings() { return &mImageBindings; }
+    const RangeUI &getDefaultUniformRange() const { return mDefaultUniformRange; }
+    const RangeUI &getSamplerUniformRange() const { return mSamplerUniformRange; }
+    const RangeUI &getImageUniformRange() const { return mImageUniformRange; }
+    const RangeUI &getAtomicCounterUniformRange() const { return mAtomicCounterUniformRange; }
+    const RangeUI &getFragmentInoutRange() const { return mFragmentInoutRange; }
+    bool hasDiscard() const { return mHasDiscard; }
+    bool enablesPerSampleShading() const { return mEnablesPerSampleShading; }
+    BlendEquationBitSet getAdvancedBlendEquations() const { return mAdvancedBlendEquations; }
+    const std::vector<TransformFeedbackVarying> &getLinkedTransformFeedbackVaryings() const
+    {
+        return mLinkedTransformFeedbackVaryings;
+    }
+    GLint getTransformFeedbackBufferMode() const { return mTransformFeedbackBufferMode; }
+    GLuint getUniformBlockBinding(GLuint uniformBlockIndex) const
+    {
+        ASSERT(uniformBlockIndex < mUniformBlocks.size());
+        return mUniformBlocks[uniformBlockIndex].binding;
+    }
+    GLuint getShaderStorageBlockBinding(GLuint blockIndex) const
+    {
+        ASSERT(blockIndex < mShaderStorageBlocks.size());
+        return mShaderStorageBlocks[blockIndex].binding;
+    }
+    const std::vector<GLsizei> &getTransformFeedbackStrides() const
+    {
+        return mTransformFeedbackStrides;
+    }
+    const std::vector<AtomicCounterBuffer> &getAtomicCounterBuffers() const
+    {
+        return mAtomicCounterBuffers;
+    }
+    const std::vector<InterfaceBlock> &getShaderStorageBlocks() const
+    {
+        return mShaderStorageBlocks;
+    }
+    const LinkedUniform &getUniformByIndex(GLuint index) const
+    {
+        ASSERT(index < static_cast<size_t>(mUniforms.size()));
+        return mUniforms[index];
+    }
+
+    ANGLE_INLINE GLuint getActiveUniformBlockCount() const
+    {
+        return static_cast<GLuint>(mUniformBlocks.size());
+    }
+
+    ANGLE_INLINE GLuint getActiveAtomicCounterBufferCount() const
+    {
+        return static_cast<GLuint>(mAtomicCounterBuffers.size());
+    }
+
+    ANGLE_INLINE GLuint getActiveShaderStorageBlockCount() const
+    {
+        size_t shaderStorageBlocksSize = mShaderStorageBlocks.size();
+        return static_cast<GLuint>(shaderStorageBlocksSize);
+    }
+
+    GLuint getUniformIndexFromImageIndex(GLuint imageIndex) const;
+
+    GLuint getUniformIndexFromSamplerIndex(GLuint samplerIndex) const;
+
+    void saveLinkedStateInfo(const Context *context, const ProgramState &state);
+    const std::vector<sh::ShaderVariable> &getLinkedOutputVaryings(ShaderType shaderType) const
+    {
+        return mLinkedOutputVaryings[shaderType];
+    }
+    const std::vector<sh::ShaderVariable> &getLinkedInputVaryings(ShaderType shaderType) const
+    {
+        return mLinkedInputVaryings[shaderType];
+    }
+
+    const std::vector<sh::ShaderVariable> &getLinkedUniforms(ShaderType shaderType) const
+    {
+        return mLinkedUniforms[shaderType];
+    }
+
+    const std::vector<sh::InterfaceBlock> &getLinkedUniformBlocks(ShaderType shaderType) const
+    {
+        return mLinkedUniformBlocks[shaderType];
+    }
+
+    int getLinkedShaderVersion(ShaderType shaderType) const
+    {
+        return mLinkedShaderVersions[shaderType];
+    }
+
+    bool isYUVOutput() const;
+
+    PrimitiveMode getGeometryShaderInputPrimitiveType() const
+    {
+        return mGeometryShaderInputPrimitiveType;
+    }
+
+    PrimitiveMode getGeometryShaderOutputPrimitiveType() const
+    {
+        return mGeometryShaderOutputPrimitiveType;
+    }
+
+    int getGeometryShaderInvocations() const { return mGeometryShaderInvocations; }
+
+    int getGeometryShaderMaxVertices() const { return mGeometryShaderMaxVertices; }
+
+    GLenum getTessGenMode() const { return mTessGenMode; }
+
+    void resetCachedValidateSamplersResult() { mCachedValidateSamplersResult.reset(); }
+    bool validateSamplers(InfoLog *infoLog, const Caps &caps) const
+    {
+        // Use the cache if:
+        // - we aren't using an info log (which gives the full error).
+        // - The sample mapping hasn't changed and we've already validated.
+        if (infoLog == nullptr && mCachedValidateSamplersResult.valid())
+        {
+            return mCachedValidateSamplersResult.value();
+        }
+
+        return validateSamplersImpl(infoLog, caps);
+    }
+
+    ComponentTypeMask getFragmentOutputsTypeMask() const { return mDrawBufferTypeMask; }
+    DrawBufferMask getActiveOutputVariablesMask() const { return mActiveOutputVariablesMask; }
+
+    bool linkUniforms(const Context *context,
+                      const ShaderMap<std::vector<sh::ShaderVariable>> &shaderUniforms,
+                      InfoLog &infoLog,
+                      const ProgramAliasedBindings &uniformLocationBindings,
+                      GLuint *combinedImageUniformsCount,
+                      std::vector<UnusedUniform> *unusedUniforms,
+                      std::vector<VariableLocation> *uniformLocationsOutOrNull);
+
+    void copyInputsFromProgram(const ProgramState &programState);
+    void copyShaderBuffersFromProgram(const ProgramState &programState, ShaderType shaderType);
+    void clearSamplerBindings();
+    void copySamplerBindingsFromProgram(const ProgramState &programState);
+    void copyImageBindingsFromProgram(const ProgramState &programState);
+    void copyOutputsFromProgram(const ProgramState &programState);
+    void copyUniformsFromProgramMap(const ShaderMap<Program *> &programs);
+
+  private:
+    friend class Program;
+    friend class ProgramPipeline;
+    friend class ProgramState;
+
+    void updateActiveImages(const ProgramExecutable &executable);
+
+    // Scans the sampler bindings for type conflicts with sampler 'textureUnitIndex'.
+    void setSamplerUniformTextureTypeAndFormat(size_t textureUnitIndex,
+                                               std::vector<SamplerBinding> &samplerBindings);
+
+    bool linkMergedVaryings(const Context *context,
+                            const ProgramMergedVaryings &mergedVaryings,
+                            const std::vector<std::string> &transformFeedbackVaryingNames,
+                            const LinkingVariables &linkingVariables,
+                            bool isSeparable,
+                            ProgramVaryingPacking *varyingPacking);
+
+    bool linkValidateTransformFeedback(
+        const Context *context,
+        const ProgramMergedVaryings &varyings,
+        ShaderType stage,
+        const std::vector<std::string> &transformFeedbackVaryingNames);
+
+    void gatherTransformFeedbackVaryings(
+        const ProgramMergedVaryings &varyings,
+        ShaderType stage,
+        const std::vector<std::string> &transformFeedbackVaryingNames);
+
+    void updateTransformFeedbackStrides();
+
+    bool validateSamplersImpl(InfoLog *infoLog, const Caps &caps) const;
+
+    bool linkValidateOutputVariables(const Caps &caps,
+                                     const Extensions &extensions,
+                                     const Version &version,
+                                     GLuint combinedImageUniformsCount,
+                                     GLuint combinedShaderStorageBlocksCount,
+                                     const std::vector<sh::ShaderVariable> &outputVariables,
+                                     int fragmentShaderVersion,
+                                     const ProgramAliasedBindings &fragmentOutputLocations,
+                                     const ProgramAliasedBindings &fragmentOutputIndices);
+
+    void linkSamplerAndImageBindings(GLuint *combinedImageUniformsCount);
+    bool linkAtomicCounterBuffers(const Context *context, InfoLog &infoLog);
+
+    InfoLog mInfoLog;
+
+    ShaderBitSet mLinkedShaderStages;
+
+    angle::BitSet<MAX_VERTEX_ATTRIBS> mActiveAttribLocationsMask;
+    unsigned int mMaxActiveAttribLocation;
+    ComponentTypeMask mAttributesTypeMask;
+    // mAttributesMask is identical to mActiveAttribLocationsMask with built-in attributes removed.
+    AttributesMask mAttributesMask;
+
+    // Cached mask of active samplers and sampler types.
+    ActiveTextureMask mActiveSamplersMask;
+    ActiveTextureArray<uint32_t> mActiveSamplerRefCounts;
+    ActiveTextureArray<TextureType> mActiveSamplerTypes;
+    ActiveTextureMask mActiveSamplerYUV;
+    ActiveTextureArray<SamplerFormat> mActiveSamplerFormats;
+    ActiveTextureArray<ShaderBitSet> mActiveSamplerShaderBits;
+
+    // Cached mask of active images.
+    ActiveTextureMask mActiveImagesMask;
+    ActiveTextureArray<ShaderBitSet> mActiveImageShaderBits;
+
+    bool mCanDrawWith;
+
+    // Names and mapped names of output variables that are arrays include [0] in the end, similarly
+    // to uniforms.
+    std::vector<sh::ShaderVariable> mOutputVariables;
+    std::vector<VariableLocation> mOutputLocations;
+    DrawBufferMask mActiveOutputVariablesMask;
+    // EXT_blend_func_extended secondary outputs (ones with index 1)
+    std::vector<VariableLocation> mSecondaryOutputLocations;
+    bool mYUVOutput;
+    // Vertex attributes, Fragment input varyings, etc.
+    std::vector<sh::ShaderVariable> mProgramInputs;
+    std::vector<TransformFeedbackVarying> mLinkedTransformFeedbackVaryings;
+    // The size of the data written to each transform feedback buffer per vertex.
+    std::vector<GLsizei> mTransformFeedbackStrides;
+    GLenum mTransformFeedbackBufferMode;
+    // Uniforms are sorted in order:
+    //  1. Non-opaque uniforms
+    //  2. Sampler uniforms
+    //  3. Image uniforms
+    //  4. Atomic counter uniforms
+    //  5. Subpass Input uniforms (Only for Vulkan)
+    //  6. Uniform block uniforms
+    // This makes opaque uniform validation easier, since we don't need a separate list.
+    // For generating the entries and naming them we follow the spec: GLES 3.1 November 2016 section
+    // 7.3.1.1 Naming Active Resources. There's a separate entry for each struct member and each
+    // inner array of an array of arrays. Names and mapped names of uniforms that are arrays include
+    // [0] in the end. This makes implementation of queries simpler.
+    std::vector<LinkedUniform> mUniforms;
+    RangeUI mDefaultUniformRange;
+    RangeUI mSamplerUniformRange;
+    RangeUI mImageUniformRange;
+    RangeUI mAtomicCounterUniformRange;
+    std::vector<InterfaceBlock> mUniformBlocks;
+
+    // For faster iteration on the blocks currently being bound.
+    UniformBlockBindingMask mActiveUniformBlockBindings;
+
+    std::vector<AtomicCounterBuffer> mAtomicCounterBuffers;
+    std::vector<InterfaceBlock> mShaderStorageBlocks;
+
+    RangeUI mFragmentInoutRange;
+    bool mHasDiscard;
+    bool mEnablesPerSampleShading;
+
+    // KHR_blend_equation_advanced supported equation list
+    BlendEquationBitSet mAdvancedBlendEquations;
+
+    // An array of the samplers that are used by the program
+    std::vector<SamplerBinding> mSamplerBindings;
+
+    // An array of the images that are used by the program
+    std::vector<ImageBinding> mImageBindings;
+
+    ShaderMap<std::vector<sh::ShaderVariable>> mLinkedOutputVaryings;
+    ShaderMap<std::vector<sh::ShaderVariable>> mLinkedInputVaryings;
+    ShaderMap<std::vector<sh::ShaderVariable>> mLinkedUniforms;
+    ShaderMap<std::vector<sh::InterfaceBlock>> mLinkedUniformBlocks;
+
+    ShaderMap<int> mLinkedShaderVersions;
+
+    // GL_EXT_geometry_shader.
+    PrimitiveMode mGeometryShaderInputPrimitiveType;
+    PrimitiveMode mGeometryShaderOutputPrimitiveType;
+    int mGeometryShaderInvocations;
+    int mGeometryShaderMaxVertices;
+
+    // GL_EXT_tessellation_shader
+    int mTessControlShaderVertices;
+    GLenum mTessGenMode;
+    GLenum mTessGenSpacing;
+    GLenum mTessGenVertexOrder;
+    GLenum mTessGenPointMode;
+
+    // Fragment output variable base types: FLOAT, INT, or UINT.  Ordered by location.
+    std::vector<GLenum> mOutputVariableTypes;
+    ComponentTypeMask mDrawBufferTypeMask;
+
+    // Cache for sampler validation
+    mutable Optional<bool> mCachedValidateSamplersResult;
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_PROGRAMEXECUTABLE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/ProgramLinkedResources.cpp b/gfx/angle/checkout/src/libANGLE/ProgramLinkedResources.cpp
new file mode 100644
index 0000000000..11000fdabc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ProgramLinkedResources.cpp
@@ -0,0 +1,2377 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramLinkedResources.cpp: implements link-time checks for default block uniforms, and generates
+// uniform locations. Populates data structures related to uniforms so that they can be stored in
+// program state.
+
+#include "libANGLE/ProgramLinkedResources.h"
+
+#include "common/string_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/features.h"
+
+namespace gl
+{
+namespace
+{
+LinkedUniform *FindUniform(std::vector<LinkedUniform> &list, const std::string &name)
+{
+    for (LinkedUniform &uniform : list)
+    {
+        if (uniform.name == name)
+            return &uniform;
+    }
+
+    return nullptr;
+}
+
+template <typename VarT>
+void SetActive(std::vector<VarT> *list, const std::string &name, ShaderType shaderType, bool active)
+{
+    for (auto &variable : *list)
+    {
+        if (variable.name == name)
+        {
+            variable.setActive(shaderType, active);
+            return;
+        }
+    }
+}
+
+// GLSL ES Spec 3.00.3, section 4.3.5.
+LinkMismatchError LinkValidateUniforms(const sh::ShaderVariable &uniform1,
+                                       const sh::ShaderVariable &uniform2,
+                                       std::string *mismatchedStructFieldName)
+{
+#if ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION == ANGLE_ENABLED
+    const bool validatePrecisionFeature = true;
+#else
+    const bool validatePrecisionFeature = false;
+#endif
+
+    // Validate precision match of uniforms iff they are statically used
+    bool validatePrecision = uniform1.staticUse && uniform2.staticUse && validatePrecisionFeature;
+    LinkMismatchError linkError = LinkValidateProgramVariables(
+        uniform1, uniform2, validatePrecision, false, false, mismatchedStructFieldName);
+    if (linkError != LinkMismatchError::NO_MISMATCH)
+    {
+        return linkError;
+    }
+
+    // GLSL ES Spec 3.10.4, section 4.4.5.
+    if (uniform1.binding != -1 && uniform2.binding != -1 && uniform1.binding != uniform2.binding)
+    {
+        return LinkMismatchError::BINDING_MISMATCH;
+    }
+
+    // GLSL ES Spec 3.10.4, section 9.2.1.
+    if (uniform1.location != -1 && uniform2.location != -1 &&
+        uniform1.location != uniform2.location)
+    {
+        return LinkMismatchError::LOCATION_MISMATCH;
+    }
+    if (uniform1.offset != uniform2.offset)
+    {
+        return LinkMismatchError::OFFSET_MISMATCH;
+    }
+
+    return LinkMismatchError::NO_MISMATCH;
+}
+
+GLuint GetMaximumShaderUniformVectors(ShaderType shaderType, const Caps &caps)
+{
+    switch (shaderType)
+    {
+        case ShaderType::Vertex:
+            return static_cast<GLuint>(caps.maxVertexUniformVectors);
+        case ShaderType::Fragment:
+            return static_cast<GLuint>(caps.maxFragmentUniformVectors);
+
+        case ShaderType::Compute:
+        case ShaderType::Geometry:
+        case ShaderType::TessControl:
+        case ShaderType::TessEvaluation:
+            return static_cast<GLuint>(caps.maxShaderUniformComponents[shaderType]) / 4;
+
+        default:
+            UNREACHABLE();
+            return 0u;
+    }
+}
+
+enum class UniformType : uint8_t
+{
+    Variable      = 0,
+    Sampler       = 1,
+    Image         = 2,
+    AtomicCounter = 3,
+
+    InvalidEnum = 4,
+    EnumCount   = 4,
+};
+
+const char *GetUniformResourceNameString(UniformType uniformType)
+{
+    switch (uniformType)
+    {
+        case UniformType::Variable:
+            return "uniform";
+        case UniformType::Sampler:
+            return "texture image unit";
+        case UniformType::Image:
+            return "image uniform";
+        case UniformType::AtomicCounter:
+            return "atomic counter";
+        default:
+            UNREACHABLE();
+            return "";
+    }
+}
+
+std::string GetUniformResourceLimitName(ShaderType shaderType, UniformType uniformType)
+{
+    // Special case: MAX_TEXTURE_IMAGE_UNITS (no "MAX_FRAGMENT_TEXTURE_IMAGE_UNITS")
+    if (shaderType == ShaderType::Fragment && uniformType == UniformType::Sampler)
+    {
+        return "MAX_TEXTURE_IMAGE_UNITS";
+    }
+
+    std::ostringstream ostream;
+    ostream << "MAX_" << GetShaderTypeString(shaderType) << "_";
+
+    switch (uniformType)
+    {
+        case UniformType::Variable:
+            // For vertex and fragment shaders, ES 2.0 only defines MAX_VERTEX_UNIFORM_VECTORS and
+            // MAX_FRAGMENT_UNIFORM_VECTORS ([OpenGL ES 2.0] Table 6.20).
+            if (shaderType == ShaderType::Vertex || shaderType == ShaderType::Fragment)
+            {
+                ostream << "UNIFORM_VECTORS";
+                break;
+            }
+            // For compute and geometry shaders, there are no definitions on
+            // "MAX_COMPUTE_UNIFORM_VECTORS" or "MAX_GEOMETRY_UNIFORM_VECTORS_EXT"
+            // ([OpenGL ES 3.1] Table 20.45, [EXT_geometry_shader] Table 20.43gs).
+            else
+            {
+                ostream << "UNIFORM_COMPONENTS";
+            }
+            break;
+        case UniformType::Sampler:
+            ostream << "TEXTURE_IMAGE_UNITS";
+            break;
+        case UniformType::Image:
+            ostream << "IMAGE_UNIFORMS";
+            break;
+        case UniformType::AtomicCounter:
+            ostream << "ATOMIC_COUNTERS";
+            break;
+        default:
+            UNREACHABLE();
+            return "";
+    }
+
+    if (shaderType == ShaderType::Geometry)
+    {
+        ostream << "_EXT";
+    }
+
+    return ostream.str();
+}
+
+void LogUniformsExceedLimit(ShaderType shaderType,
+                            UniformType uniformType,
+                            GLuint limit,
+                            InfoLog &infoLog)
+{
+    infoLog << GetShaderTypeString(shaderType) << " shader "
+            << GetUniformResourceNameString(uniformType) << "s count exceeds "
+            << GetUniformResourceLimitName(shaderType, uniformType) << "(" << limit << ")";
+}
+
+// The purpose of this visitor is to capture the uniforms in a uniform block. Each new uniform is
+// added to "uniformsOut".
+class UniformBlockEncodingVisitor : public sh::VariableNameVisitor
+{
+  public:
+    UniformBlockEncodingVisitor(const GetBlockMemberInfoFunc &getMemberInfo,
+                                const std::string &namePrefix,
+                                const std::string &mappedNamePrefix,
+                                std::vector<LinkedUniform> *uniformsOut,
+                                ShaderType shaderType,
+                                int blockIndex)
+        : sh::VariableNameVisitor(namePrefix, mappedNamePrefix),
+          mGetMemberInfo(getMemberInfo),
+          mUniformsOut(uniformsOut),
+          mShaderType(shaderType),
+          mBlockIndex(blockIndex)
+    {}
+
+    void visitNamedVariable(const sh::ShaderVariable &variable,
+                            bool isRowMajor,
+                            const std::string &name,
+                            const std::string &mappedName,
+                            const std::vector<unsigned int> &arraySizes) override
+    {
+        // If getBlockMemberInfo returns false, the variable is optimized out.
+        sh::BlockMemberInfo variableInfo;
+        if (!mGetMemberInfo(name, mappedName, &variableInfo))
+            return;
+
+        std::string nameWithArrayIndex       = name;
+        std::string mappedNameWithArrayIndex = mappedName;
+
+        if (variable.isArray())
+        {
+            nameWithArrayIndex += "[0]";
+            mappedNameWithArrayIndex += "[0]";
+        }
+
+        if (mBlockIndex == -1)
+        {
+            SetActive(mUniformsOut, nameWithArrayIndex, mShaderType, variable.active);
+            return;
+        }
+
+        LinkedUniform newUniform(variable.type, variable.precision, nameWithArrayIndex,
+                                 variable.arraySizes, -1, -1, -1, mBlockIndex, variableInfo);
+        newUniform.mappedName = mappedNameWithArrayIndex;
+        newUniform.setActive(mShaderType, variable.active);
+
+        // Since block uniforms have no location, we don't need to store them in the uniform
+        // locations list.
+        mUniformsOut->push_back(newUniform);
+    }
+
+  private:
+    const GetBlockMemberInfoFunc &mGetMemberInfo;
+    std::vector<LinkedUniform> *mUniformsOut;
+    const ShaderType mShaderType;
+    const int mBlockIndex;
+};
+
+// The purpose of this visitor is to capture the buffer variables in a shader storage block. Each
+// new buffer variable is stored in "bufferVariablesOut".
+class ShaderStorageBlockVisitor : public sh::BlockEncoderVisitor
+{
+  public:
+    ShaderStorageBlockVisitor(const GetBlockMemberInfoFunc &getMemberInfo,
+                              const std::string &namePrefix,
+                              const std::string &mappedNamePrefix,
+                              std::vector<BufferVariable> *bufferVariablesOut,
+                              ShaderType shaderType,
+                              int blockIndex)
+        : sh::BlockEncoderVisitor(namePrefix, mappedNamePrefix, &mStubEncoder),
+          mGetMemberInfo(getMemberInfo),
+          mBufferVariablesOut(bufferVariablesOut),
+          mShaderType(shaderType),
+          mBlockIndex(blockIndex)
+    {}
+
+    void visitNamedVariable(const sh::ShaderVariable &variable,
+                            bool isRowMajor,
+                            const std::string &name,
+                            const std::string &mappedName,
+                            const std::vector<unsigned int> &arraySizes) override
+    {
+        if (mSkipEnabled)
+            return;
+
+        // If getBlockMemberInfo returns false, the variable is optimized out.
+        sh::BlockMemberInfo variableInfo;
+        if (!mGetMemberInfo(name, mappedName, &variableInfo))
+            return;
+
+        std::string nameWithArrayIndex       = name;
+        std::string mappedNameWithArrayIndex = mappedName;
+
+        if (variable.isArray())
+        {
+            nameWithArrayIndex += "[0]";
+            mappedNameWithArrayIndex += "[0]";
+        }
+
+        if (mBlockIndex == -1)
+        {
+            SetActive(mBufferVariablesOut, nameWithArrayIndex, mShaderType, variable.active);
+            return;
+        }
+
+        BufferVariable newBufferVariable(variable.type, variable.precision, nameWithArrayIndex,
+                                         variable.arraySizes, mBlockIndex, variableInfo);
+        newBufferVariable.mappedName = mappedNameWithArrayIndex;
+        newBufferVariable.setActive(mShaderType, variable.active);
+
+        newBufferVariable.topLevelArraySize = mTopLevelArraySize;
+
+        mBufferVariablesOut->push_back(newBufferVariable);
+    }
+
+  private:
+    const GetBlockMemberInfoFunc &mGetMemberInfo;
+    std::vector<BufferVariable> *mBufferVariablesOut;
+    const ShaderType mShaderType;
+    const int mBlockIndex;
+    sh::StubBlockEncoder mStubEncoder;
+};
+
+struct ShaderUniformCount
+{
+    unsigned int vectorCount        = 0;
+    unsigned int samplerCount       = 0;
+    unsigned int imageCount         = 0;
+    unsigned int atomicCounterCount = 0;
+    unsigned int fragmentInOutCount = 0;
+};
+
+ShaderUniformCount &operator+=(ShaderUniformCount &lhs, const ShaderUniformCount &rhs)
+{
+    lhs.vectorCount += rhs.vectorCount;
+    lhs.samplerCount += rhs.samplerCount;
+    lhs.imageCount += rhs.imageCount;
+    lhs.atomicCounterCount += rhs.atomicCounterCount;
+    lhs.fragmentInOutCount += rhs.fragmentInOutCount;
+    return lhs;
+}
+
+// The purpose of this visitor is to flatten struct and array uniforms into a list of singleton
+// uniforms. They are stored in separate lists by uniform type so they can be sorted in order.
+// Counts for each uniform category are stored and can be queried with "getCounts".
+class FlattenUniformVisitor : public sh::VariableNameVisitor
+{
+  public:
+    FlattenUniformVisitor(ShaderType shaderType,
+                          const sh::ShaderVariable &uniform,
+                          std::vector<LinkedUniform> *uniforms,
+                          std::vector<LinkedUniform> *samplerUniforms,
+                          std::vector<LinkedUniform> *imageUniforms,
+                          std::vector<LinkedUniform> *atomicCounterUniforms,
+                          std::vector<LinkedUniform> *inputAttachmentUniforms,
+                          std::vector<UnusedUniform> *unusedUniforms)
+        : sh::VariableNameVisitor("", ""),
+          mShaderType(shaderType),
+          mMarkActive(uniform.active),
+          mMarkStaticUse(uniform.staticUse),
+          mBinding(uniform.binding),
+          mOffset(uniform.offset),
+          mLocation(uniform.location),
+          mUniforms(uniforms),
+          mSamplerUniforms(samplerUniforms),
+          mImageUniforms(imageUniforms),
+          mAtomicCounterUniforms(atomicCounterUniforms),
+          mInputAttachmentUniforms(inputAttachmentUniforms),
+          mUnusedUniforms(unusedUniforms)
+    {}
+
+    void visitNamedOpaqueObject(const sh::ShaderVariable &variable,
+                                const std::string &name,
+                                const std::string &mappedName,
+                                const std::vector<unsigned int> &arraySizes) override
+    {
+        visitNamedVariable(variable, false, name, mappedName, arraySizes);
+    }
+
+    void visitNamedVariable(const sh::ShaderVariable &variable,
+                            bool isRowMajor,
+                            const std::string &name,
+                            const std::string &mappedName,
+                            const std::vector<unsigned int> &arraySizes) override
+    {
+        bool isSampler                          = IsSamplerType(variable.type);
+        bool isImage                            = IsImageType(variable.type);
+        bool isAtomicCounter                    = IsAtomicCounterType(variable.type);
+        bool isFragmentInOut                    = variable.isFragmentInOut;
+        std::vector<LinkedUniform> *uniformList = mUniforms;
+        if (isSampler)
+        {
+            uniformList = mSamplerUniforms;
+        }
+        else if (isImage)
+        {
+            uniformList = mImageUniforms;
+        }
+        else if (isAtomicCounter)
+        {
+            uniformList = mAtomicCounterUniforms;
+        }
+        else if (isFragmentInOut)
+        {
+            uniformList = mInputAttachmentUniforms;
+        }
+
+        std::string fullNameWithArrayIndex(name);
+        std::string fullMappedNameWithArrayIndex(mappedName);
+
+        if (variable.isArray())
+        {
+            // We're following the GLES 3.1 November 2016 spec section 7.3.1.1 Naming Active
+            // Resources and including [0] at the end of array variable names.
+            fullNameWithArrayIndex += "[0]";
+            fullMappedNameWithArrayIndex += "[0]";
+        }
+
+        LinkedUniform *existingUniform = FindUniform(*uniformList, fullNameWithArrayIndex);
+        if (existingUniform)
+        {
+            if (getBinding() != -1)
+            {
+                existingUniform->binding = getBinding();
+            }
+            if (getOffset() != -1)
+            {
+                existingUniform->offset = getOffset();
+            }
+            if (mLocation != -1)
+            {
+                existingUniform->location = mLocation;
+            }
+            if (mMarkActive)
+            {
+                existingUniform->active = true;
+                existingUniform->setActive(mShaderType, true);
+            }
+            if (mMarkStaticUse)
+            {
+                existingUniform->staticUse = true;
+            }
+        }
+        else
+        {
+            LinkedUniform linkedUniform(variable.type, variable.precision, fullNameWithArrayIndex,
+                                        variable.arraySizes, getBinding(), getOffset(), mLocation,
+                                        -1, sh::kDefaultBlockMemberInfo);
+            linkedUniform.mappedName          = fullMappedNameWithArrayIndex;
+            linkedUniform.active              = mMarkActive;
+            linkedUniform.staticUse           = mMarkStaticUse;
+            linkedUniform.outerArraySizes     = arraySizes;
+            linkedUniform.texelFetchStaticUse = variable.texelFetchStaticUse;
+            linkedUniform.imageUnitFormat     = variable.imageUnitFormat;
+            linkedUniform.isFragmentInOut     = variable.isFragmentInOut;
+            if (variable.hasParentArrayIndex())
+            {
+                linkedUniform.setParentArrayIndex(variable.parentArrayIndex());
+            }
+
+            std::vector<unsigned int> arrayDims = arraySizes;
+            ASSERT(variable.arraySizes.size() == 1 || variable.arraySizes.size() == 0);
+            arrayDims.push_back(variable.arraySizes.empty() ? 1 : variable.arraySizes[0]);
+
+            size_t numDimensions = arraySizes.size();
+            uint32_t arrayStride = 1;
+            for (size_t dimension = numDimensions; dimension > 0;)
+            {
+                --dimension;
+                arrayStride *= arrayDims[dimension + 1];
+                linkedUniform.outerArrayOffset += arrayStride * mArrayElementStack[dimension];
+            }
+
+            if (mMarkActive)
+            {
+                linkedUniform.setActive(mShaderType, true);
+            }
+            else
+            {
+                mUnusedUniforms->emplace_back(
+                    linkedUniform.name, linkedUniform.isSampler(), linkedUniform.isImage(),
+                    linkedUniform.isAtomicCounter(), linkedUniform.isFragmentInOut);
+            }
+
+            uniformList->push_back(linkedUniform);
+        }
+
+        unsigned int elementCount = variable.getBasicTypeElementCount();
+
+        // Samplers and images aren't "real" uniforms, so they don't count towards register usage.
+        // Likewise, don't count "real" uniforms towards opaque count.
+
+        if (!IsOpaqueType(variable.type) && !isFragmentInOut)
+        {
+            mUniformCount.vectorCount += VariableRegisterCount(variable.type) * elementCount;
+        }
+
+        mUniformCount.samplerCount += (isSampler ? elementCount : 0);
+        mUniformCount.imageCount += (isImage ? elementCount : 0);
+        mUniformCount.atomicCounterCount += (isAtomicCounter ? elementCount : 0);
+        mUniformCount.fragmentInOutCount += (isFragmentInOut ? elementCount : 0);
+
+        if (mLocation != -1)
+        {
+            mLocation += elementCount;
+        }
+    }
+
+    void enterStructAccess(const sh::ShaderVariable &structVar, bool isRowMajor) override
+    {
+        mStructStackSize++;
+        sh::VariableNameVisitor::enterStructAccess(structVar, isRowMajor);
+    }
+
+    void exitStructAccess(const sh::ShaderVariable &structVar, bool isRowMajor) override
+    {
+        mStructStackSize--;
+        sh::VariableNameVisitor::exitStructAccess(structVar, isRowMajor);
+    }
+
+    void enterArrayElement(const sh::ShaderVariable &arrayVar, unsigned int arrayElement) override
+    {
+        mArrayElementStack.push_back(arrayElement);
+        sh::VariableNameVisitor::enterArrayElement(arrayVar, arrayElement);
+    }
+
+    void exitArrayElement(const sh::ShaderVariable &arrayVar, unsigned int arrayElement) override
+    {
+        mArrayElementStack.pop_back();
+        sh::VariableNameVisitor::exitArrayElement(arrayVar, arrayElement);
+    }
+
+    ShaderUniformCount getCounts() const { return mUniformCount; }
+
+  private:
+    int getBinding() const { return mStructStackSize == 0 ? mBinding : -1; }
+    int getOffset() const { return mStructStackSize == 0 ? mOffset : -1; }
+
+    ShaderType mShaderType;
+
+    // Active and StaticUse are given separately because they are tracked at struct granularity.
+    bool mMarkActive;
+    bool mMarkStaticUse;
+    int mBinding;
+    int mOffset;
+    int mLocation;
+    std::vector<LinkedUniform> *mUniforms;
+    std::vector<LinkedUniform> *mSamplerUniforms;
+    std::vector<LinkedUniform> *mImageUniforms;
+    std::vector<LinkedUniform> *mAtomicCounterUniforms;
+    std::vector<LinkedUniform> *mInputAttachmentUniforms;
+    std::vector<UnusedUniform> *mUnusedUniforms;
+    std::vector<unsigned int> mArrayElementStack;
+    ShaderUniformCount mUniformCount;
+    unsigned int mStructStackSize = 0;
+};
+
+class InterfaceBlockInfo final : angle::NonCopyable
+{
+  public:
+    InterfaceBlockInfo(CustomBlockLayoutEncoderFactory *customEncoderFactory)
+        : mCustomEncoderFactory(customEncoderFactory)
+    {}
+
+    void getShaderBlockInfo(const std::vector<sh::InterfaceBlock> &interfaceBlocks);
+
+    bool getBlockSize(const std::string &name, const std::string &mappedName, size_t *sizeOut);
+    bool getBlockMemberInfo(const std::string &name,
+                            const std::string &mappedName,
+                            sh::BlockMemberInfo *infoOut);
+
+  private:
+    size_t getBlockInfo(const sh::InterfaceBlock &interfaceBlock);
+
+    std::map<std::string, size_t> mBlockSizes;
+    sh::BlockLayoutMap mBlockLayout;
+    // Based on the interface block layout, the std140 or std430 encoders are used.  On some
+    // platforms (currently only D3D), there could be another non-standard encoder used.
+    CustomBlockLayoutEncoderFactory *mCustomEncoderFactory;
+};
+
+void InterfaceBlockInfo::getShaderBlockInfo(const std::vector<sh::InterfaceBlock> &interfaceBlocks)
+{
+    for (const sh::InterfaceBlock &interfaceBlock : interfaceBlocks)
+    {
+        if (!IsActiveInterfaceBlock(interfaceBlock))
+            continue;
+
+        if (mBlockSizes.count(interfaceBlock.name) > 0)
+            continue;
+
+        size_t dataSize                  = getBlockInfo(interfaceBlock);
+        mBlockSizes[interfaceBlock.name] = dataSize;
+    }
+}
+
+size_t InterfaceBlockInfo::getBlockInfo(const sh::InterfaceBlock &interfaceBlock)
+{
+    ASSERT(IsActiveInterfaceBlock(interfaceBlock));
+
+    // define member uniforms
+    sh::Std140BlockEncoder std140Encoder;
+    sh::Std430BlockEncoder std430Encoder;
+    sh::BlockLayoutEncoder *customEncoder = nullptr;
+    sh::BlockLayoutEncoder *encoder       = nullptr;
+
+    if (interfaceBlock.layout == sh::BLOCKLAYOUT_STD140)
+    {
+        encoder = &std140Encoder;
+    }
+    else if (interfaceBlock.layout == sh::BLOCKLAYOUT_STD430)
+    {
+        encoder = &std430Encoder;
+    }
+    else if (mCustomEncoderFactory)
+    {
+        encoder = customEncoder = mCustomEncoderFactory->makeEncoder();
+    }
+    else
+    {
+        UNREACHABLE();
+        return 0;
+    }
+
+    sh::GetInterfaceBlockInfo(interfaceBlock.fields, interfaceBlock.fieldPrefix(), encoder,
+                              &mBlockLayout);
+
+    size_t offset = encoder->getCurrentOffset();
+
+    SafeDelete(customEncoder);
+
+    return offset;
+}
+
+bool InterfaceBlockInfo::getBlockSize(const std::string &name,
+                                      const std::string &mappedName,
+                                      size_t *sizeOut)
+{
+    size_t nameLengthWithoutArrayIndex;
+    ParseArrayIndex(name, &nameLengthWithoutArrayIndex);
+    std::string baseName = name.substr(0u, nameLengthWithoutArrayIndex);
+    auto sizeIter        = mBlockSizes.find(baseName);
+    if (sizeIter == mBlockSizes.end())
+    {
+        *sizeOut = 0;
+        return false;
+    }
+
+    *sizeOut = sizeIter->second;
+    return true;
+}
+
+bool InterfaceBlockInfo::getBlockMemberInfo(const std::string &name,
+                                            const std::string &mappedName,
+                                            sh::BlockMemberInfo *infoOut)
+{
+    auto infoIter = mBlockLayout.find(name);
+    if (infoIter == mBlockLayout.end())
+    {
+        *infoOut = sh::kDefaultBlockMemberInfo;
+        return false;
+    }
+
+    *infoOut = infoIter->second;
+    return true;
+}
+
+void GetFilteredVaryings(const std::vector<sh::ShaderVariable> &varyings,
+                         std::vector<const sh::ShaderVariable *> *filteredVaryingsOut)
+{
+    for (const sh::ShaderVariable &varying : varyings)
+    {
+        // Built-in varyings obey special rules
+        if (varying.isBuiltIn())
+        {
+            continue;
+        }
+
+        filteredVaryingsOut->push_back(&varying);
+    }
+}
+
+LinkMismatchError LinkValidateVaryings(const sh::ShaderVariable &outputVarying,
+                                       const sh::ShaderVariable &inputVarying,
+                                       int shaderVersion,
+                                       ShaderType frontShaderType,
+                                       ShaderType backShaderType,
+                                       bool isSeparable,
+                                       std::string *mismatchedStructFieldName)
+{
+    // [ES 3.2 spec] 7.4.1 Shader Interface Matching:
+    // Tessellation control shader per-vertex output variables and blocks and tessellation control,
+    // tessellation evaluation, and geometry shader per-vertex input variables and blocks are
+    // required to be declared as arrays, with each element representing input or output values for
+    // a single vertex of a multi-vertex primitive. For the purposes of interface matching, such
+    // variables and blocks are treated as though they were not declared as arrays.
+    bool treatOutputAsNonArray =
+        (frontShaderType == ShaderType::TessControl && !outputVarying.isPatch);
+    bool treatInputAsNonArray =
+        ((backShaderType == ShaderType::TessControl ||
+          backShaderType == ShaderType::TessEvaluation || backShaderType == ShaderType::Geometry) &&
+         !inputVarying.isPatch);
+
+    // Skip the validation on the array sizes between a vertex output varying and a geometry input
+    // varying as it has been done before.
+    bool validatePrecision      = isSeparable && (shaderVersion > 100);
+    LinkMismatchError linkError = LinkValidateProgramVariables(
+        outputVarying, inputVarying, validatePrecision, treatOutputAsNonArray, treatInputAsNonArray,
+        mismatchedStructFieldName);
+    if (linkError != LinkMismatchError::NO_MISMATCH)
+    {
+        return linkError;
+    }
+
+    // Explicit locations must match if the names match.
+    if (outputVarying.isSameNameAtLinkTime(inputVarying) &&
+        outputVarying.location != inputVarying.location)
+    {
+        return LinkMismatchError::LOCATION_MISMATCH;
+    }
+
+    if (!sh::InterpolationTypesMatch(outputVarying.interpolation, inputVarying.interpolation))
+    {
+        return LinkMismatchError::INTERPOLATION_TYPE_MISMATCH;
+    }
+
+    if (shaderVersion == 100 && outputVarying.isInvariant != inputVarying.isInvariant)
+    {
+        return LinkMismatchError::INVARIANCE_MISMATCH;
+    }
+
+    return LinkMismatchError::NO_MISMATCH;
+}
+
+bool DoShaderVariablesMatch(int frontShaderVersion,
+                            ShaderType frontShaderType,
+                            ShaderType backShaderType,
+                            const sh::ShaderVariable &input,
+                            const sh::ShaderVariable &output,
+                            bool isSeparable,
+                            gl::InfoLog &infoLog)
+{
+    bool namesMatch     = input.isSameNameAtLinkTime(output);
+    bool locationsMatch = input.location != -1 && input.location == output.location;
+
+    // An output block is considered to match an input block in the subsequent
+    // shader if the two blocks have the same block name, and the members of the
+    // block match exactly in name, type, qualification, and declaration order.
+    //
+    // - For the purposes of shader interface matching, the gl_PointSize
+    //   member of the intrinsically declared gl_PerVertex shader interface
+    //   block is ignored.
+    // - Output blocks that do not match in name, but have a location and match
+    //   in every other way listed above may be considered to match by some
+    //   implementations, but not all - so this behaviour should not be relied
+    //   upon.
+
+    // An output variable is considered to match an input variable in the subsequent
+    // shader if:
+    //
+    // - the two variables match in name, type, and qualification; or
+    // - the two variables are declared with the same location qualifier and
+    //   match in type and qualification.
+
+    if (namesMatch || locationsMatch)
+    {
+        std::string mismatchedStructFieldName;
+        LinkMismatchError linkError =
+            LinkValidateVaryings(output, input, frontShaderVersion, frontShaderType, backShaderType,
+                                 isSeparable, &mismatchedStructFieldName);
+        if (linkError != LinkMismatchError::NO_MISMATCH)
+        {
+            LogLinkMismatch(infoLog, input.name, "varying", linkError, mismatchedStructFieldName,
+                            frontShaderType, backShaderType);
+            return false;
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+const char *GetInterfaceBlockTypeString(sh::BlockType blockType)
+{
+    switch (blockType)
+    {
+        case sh::BlockType::BLOCK_UNIFORM:
+            return "uniform block";
+        case sh::BlockType::BLOCK_BUFFER:
+            return "shader storage block";
+        default:
+            UNREACHABLE();
+            return "";
+    }
+}
+
+std::string GetInterfaceBlockLimitName(ShaderType shaderType, sh::BlockType blockType)
+{
+    std::ostringstream stream;
+    stream << "GL_MAX_" << GetShaderTypeString(shaderType) << "_";
+
+    switch (blockType)
+    {
+        case sh::BlockType::BLOCK_UNIFORM:
+            stream << "UNIFORM_BUFFERS";
+            break;
+        case sh::BlockType::BLOCK_BUFFER:
+            stream << "SHADER_STORAGE_BLOCKS";
+            break;
+        default:
+            UNREACHABLE();
+            return "";
+    }
+
+    if (shaderType == ShaderType::Geometry)
+    {
+        stream << "_EXT";
+    }
+
+    return stream.str();
+}
+
+void LogInterfaceBlocksExceedLimit(InfoLog &infoLog,
+                                   ShaderType shaderType,
+                                   sh::BlockType blockType,
+                                   GLuint limit)
+{
+    infoLog << GetShaderTypeString(shaderType) << " shader "
+            << GetInterfaceBlockTypeString(blockType) << " count exceeds "
+            << GetInterfaceBlockLimitName(shaderType, blockType) << " (" << limit << ")";
+}
+
+bool ValidateInterfaceBlocksCount(GLuint maxInterfaceBlocks,
+                                  const std::vector<sh::InterfaceBlock> &interfaceBlocks,
+                                  ShaderType shaderType,
+                                  sh::BlockType blockType,
+                                  GLuint *combinedInterfaceBlocksCount,
+                                  InfoLog &infoLog)
+{
+    GLuint blockCount = 0;
+    for (const sh::InterfaceBlock &block : interfaceBlocks)
+    {
+        if (IsActiveInterfaceBlock(block))
+        {
+            blockCount += std::max(block.arraySize, 1u);
+            if (blockCount > maxInterfaceBlocks)
+            {
+                LogInterfaceBlocksExceedLimit(infoLog, shaderType, blockType, maxInterfaceBlocks);
+                return false;
+            }
+        }
+    }
+
+    // [OpenGL ES 3.1] Chapter 7.6.2 Page 105:
+    // If a uniform block is used by multiple shader stages, each such use counts separately
+    // against this combined limit.
+    // [OpenGL ES 3.1] Chapter 7.8 Page 111:
+    // If a shader storage block in a program is referenced by multiple shaders, each such
+    // reference counts separately against this combined limit.
+    if (combinedInterfaceBlocksCount)
+    {
+        *combinedInterfaceBlocksCount += blockCount;
+    }
+
+    return true;
+}
+}  // anonymous namespace
+
+UniformLinker::UniformLinker(const ShaderBitSet &activeShaderStages,
+                             const ShaderMap<std::vector<sh::ShaderVariable>> &shaderUniforms)
+    : mActiveShaderStages(activeShaderStages), mShaderUniforms(shaderUniforms)
+{}
+
+UniformLinker::~UniformLinker() = default;
+
+void UniformLinker::getResults(std::vector<LinkedUniform> *uniforms,
+                               std::vector<UnusedUniform> *unusedUniformsOutOrNull,
+                               std::vector<VariableLocation> *uniformLocationsOutOrNull)
+{
+    uniforms->swap(mUniforms);
+
+    if (unusedUniformsOutOrNull)
+    {
+        unusedUniformsOutOrNull->swap(mUnusedUniforms);
+    }
+
+    if (uniformLocationsOutOrNull)
+    {
+        uniformLocationsOutOrNull->swap(mUniformLocations);
+    }
+}
+
+bool UniformLinker::link(const Caps &caps,
+                         InfoLog &infoLog,
+                         const ProgramAliasedBindings &uniformLocationBindings)
+{
+    if (mActiveShaderStages[ShaderType::Vertex] && mActiveShaderStages[ShaderType::Fragment])
+    {
+        if (!validateGraphicsUniforms(infoLog))
+        {
+            return false;
+        }
+    }
+
+    // Flatten the uniforms list (nested fields) into a simple list (no nesting).
+    // Also check the maximum uniform vector and sampler counts.
+    if (!flattenUniformsAndCheckCaps(caps, infoLog))
+    {
+        return false;
+    }
+
+    if (!checkMaxCombinedAtomicCounters(caps, infoLog))
+    {
+        return false;
+    }
+
+    if (!indexUniforms(infoLog, uniformLocationBindings))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool UniformLinker::validateGraphicsUniforms(InfoLog &infoLog) const
+{
+    // Check that uniforms defined in the graphics shaders are identical
+    std::map<std::string, ShaderUniform> linkedUniforms;
+
+    for (const ShaderType shaderType : mActiveShaderStages)
+    {
+        if (shaderType == ShaderType::Vertex)
+        {
+            for (const sh::ShaderVariable &vertexUniform : mShaderUniforms[ShaderType::Vertex])
+            {
+                linkedUniforms[vertexUniform.name] =
+                    std::make_pair(ShaderType::Vertex, &vertexUniform);
+            }
+        }
+        else
+        {
+            bool isLastShader = (shaderType == ShaderType::Fragment);
+            if (!validateGraphicsUniformsPerShader(shaderType, !isLastShader, &linkedUniforms,
+                                                   infoLog))
+            {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+bool UniformLinker::validateGraphicsUniformsPerShader(
+    ShaderType shaderToLink,
+    bool extendLinkedUniforms,
+    std::map<std::string, ShaderUniform> *linkedUniforms,
+    InfoLog &infoLog) const
+{
+    ASSERT(mActiveShaderStages[shaderToLink] && linkedUniforms);
+
+    for (const sh::ShaderVariable &uniform : mShaderUniforms[shaderToLink])
+    {
+        const auto &entry = linkedUniforms->find(uniform.name);
+        if (entry != linkedUniforms->end())
+        {
+            const sh::ShaderVariable &linkedUniform = *(entry->second.second);
+            std::string mismatchedStructFieldName;
+            LinkMismatchError linkError =
+                LinkValidateUniforms(uniform, linkedUniform, &mismatchedStructFieldName);
+            if (linkError != LinkMismatchError::NO_MISMATCH)
+            {
+                LogLinkMismatch(infoLog, uniform.name, "uniform", linkError,
+                                mismatchedStructFieldName, entry->second.first, shaderToLink);
+                return false;
+            }
+        }
+        else if (extendLinkedUniforms)
+        {
+            (*linkedUniforms)[uniform.name] = std::make_pair(shaderToLink, &uniform);
+        }
+    }
+
+    return true;
+}
+
+bool UniformLinker::indexUniforms(InfoLog &infoLog,
+                                  const ProgramAliasedBindings &uniformLocationBindings)
+{
+    // Locations which have been allocated for an unused uniform.
+    std::set<GLuint> ignoredLocations;
+
+    int maxUniformLocation = -1;
+
+    // Gather uniform locations that have been set either using the bindUniformLocationCHROMIUM API
+    // or by using a location layout qualifier and check conflicts between them.
+    if (!gatherUniformLocationsAndCheckConflicts(infoLog, uniformLocationBindings,
+                                                 &ignoredLocations, &maxUniformLocation))
+    {
+        return false;
+    }
+
+    // Conflicts have been checked, now we can prune non-statically used uniforms. Code further down
+    // the line relies on only having statically used uniforms in mUniforms.
+    pruneUnusedUniforms();
+
+    // Gather uniforms that have their location pre-set and uniforms that don't yet have a location.
+    std::vector<VariableLocation> unlocatedUniforms;
+    std::map<GLuint, VariableLocation> preLocatedUniforms;
+
+    for (size_t uniformIndex = 0; uniformIndex < mUniforms.size(); uniformIndex++)
+    {
+        const LinkedUniform &uniform = mUniforms[uniformIndex];
+
+        if ((uniform.isBuiltIn() && !uniform.isEmulatedBuiltIn()) ||
+            IsAtomicCounterType(uniform.type) || uniform.isFragmentInOut)
+        {
+            continue;
+        }
+
+        int preSetLocation = uniformLocationBindings.getBinding(uniform);
+        int shaderLocation = uniform.location;
+
+        if (shaderLocation != -1)
+        {
+            preSetLocation = shaderLocation;
+        }
+
+        unsigned int elementCount = uniform.getBasicTypeElementCount();
+        for (unsigned int arrayIndex = 0; arrayIndex < elementCount; arrayIndex++)
+        {
+            VariableLocation location(arrayIndex, static_cast<unsigned int>(uniformIndex));
+
+            if ((arrayIndex == 0 && preSetLocation != -1) || shaderLocation != -1)
+            {
+                int elementLocation                 = preSetLocation + arrayIndex;
+                preLocatedUniforms[elementLocation] = location;
+            }
+            else
+            {
+                unlocatedUniforms.push_back(location);
+            }
+        }
+    }
+
+    // Make enough space for all uniforms, with pre-set locations or not.
+    mUniformLocations.resize(
+        std::max(unlocatedUniforms.size() + preLocatedUniforms.size() + ignoredLocations.size(),
+                 static_cast<size_t>(maxUniformLocation + 1)));
+
+    // Assign uniforms with pre-set locations
+    for (const auto &uniform : preLocatedUniforms)
+    {
+        mUniformLocations[uniform.first] = uniform.second;
+    }
+
+    // Assign ignored uniforms
+    for (const auto &ignoredLocation : ignoredLocations)
+    {
+        mUniformLocations[ignoredLocation].markIgnored();
+    }
+
+    // Automatically assign locations for the rest of the uniforms
+    size_t nextUniformLocation = 0;
+    for (const auto &unlocatedUniform : unlocatedUniforms)
+    {
+        while (mUniformLocations[nextUniformLocation].used() ||
+               mUniformLocations[nextUniformLocation].ignored)
+        {
+            nextUniformLocation++;
+        }
+
+        ASSERT(nextUniformLocation < mUniformLocations.size());
+        mUniformLocations[nextUniformLocation] = unlocatedUniform;
+        nextUniformLocation++;
+    }
+
+    return true;
+}
+
+bool UniformLinker::gatherUniformLocationsAndCheckConflicts(
+    InfoLog &infoLog,
+    const ProgramAliasedBindings &uniformLocationBindings,
+    std::set<GLuint> *ignoredLocations,
+    int *maxUniformLocation)
+{
+    // All the locations where another uniform can't be located.
+    std::set<GLuint> reservedLocations;
+
+    for (const LinkedUniform &uniform : mUniforms)
+    {
+        if ((uniform.isBuiltIn() && !uniform.isEmulatedBuiltIn()) || uniform.isFragmentInOut)
+        {
+            // The uniform of the fragment inout is not a normal uniform type. So, in the case of
+            // the fragment inout, this routine should be skipped.
+            continue;
+        }
+
+        int apiBoundLocation = uniformLocationBindings.getBinding(uniform);
+        int shaderLocation   = uniform.location;
+
+        if (shaderLocation != -1)
+        {
+            unsigned int elementCount = uniform.getBasicTypeElementCount();
+
+            for (unsigned int arrayIndex = 0; arrayIndex < elementCount; arrayIndex++)
+            {
+                // GLSL ES 3.10 section 4.4.3
+                int elementLocation = shaderLocation + arrayIndex;
+                *maxUniformLocation = std::max(*maxUniformLocation, elementLocation);
+                if (reservedLocations.find(elementLocation) != reservedLocations.end())
+                {
+                    infoLog << "Multiple uniforms bound to location " << elementLocation << ".";
+                    return false;
+                }
+                reservedLocations.insert(elementLocation);
+                if (!uniform.active)
+                {
+                    ignoredLocations->insert(elementLocation);
+                }
+            }
+        }
+        else if (apiBoundLocation != -1 && uniform.staticUse)
+        {
+            // Only the first location is reserved even if the uniform is an array.
+            *maxUniformLocation = std::max(*maxUniformLocation, apiBoundLocation);
+            if (reservedLocations.find(apiBoundLocation) != reservedLocations.end())
+            {
+                infoLog << "Multiple uniforms bound to location " << apiBoundLocation << ".";
+                return false;
+            }
+            reservedLocations.insert(apiBoundLocation);
+            if (!uniform.active)
+            {
+                ignoredLocations->insert(apiBoundLocation);
+            }
+        }
+    }
+
+    // Record the uniform locations that were bound using the API for uniforms that were not found
+    // from the shader. Other uniforms should not be assigned to those locations.
+    for (const auto &locationBinding : uniformLocationBindings)
+    {
+        GLuint location = locationBinding.second.location;
+        if (reservedLocations.find(location) == reservedLocations.end())
+        {
+            ignoredLocations->insert(location);
+            *maxUniformLocation = std::max(*maxUniformLocation, static_cast<int>(location));
+        }
+    }
+
+    return true;
+}
+
+void UniformLinker::pruneUnusedUniforms()
+{
+    auto uniformIter = mUniforms.begin();
+    while (uniformIter != mUniforms.end())
+    {
+        if (uniformIter->active)
+        {
+            ++uniformIter;
+        }
+        else
+        {
+            mUnusedUniforms.emplace_back(uniformIter->name, uniformIter->isSampler(),
+                                         uniformIter->isImage(), uniformIter->isAtomicCounter(),
+                                         uniformIter->isFragmentInOut);
+            uniformIter = mUniforms.erase(uniformIter);
+        }
+    }
+}
+
+bool UniformLinker::flattenUniformsAndCheckCapsForShader(
+    ShaderType shaderType,
+    const Caps &caps,
+    std::vector<LinkedUniform> &samplerUniforms,
+    std::vector<LinkedUniform> &imageUniforms,
+    std::vector<LinkedUniform> &atomicCounterUniforms,
+    std::vector<LinkedUniform> &inputAttachmentUniforms,
+    std::vector<UnusedUniform> &unusedUniforms,
+    InfoLog &infoLog)
+{
+    ShaderUniformCount shaderUniformCount;
+    for (const sh::ShaderVariable &uniform : mShaderUniforms[shaderType])
+    {
+        FlattenUniformVisitor flattener(shaderType, uniform, &mUniforms, &samplerUniforms,
+                                        &imageUniforms, &atomicCounterUniforms,
+                                        &inputAttachmentUniforms, &unusedUniforms);
+        sh::TraverseShaderVariable(uniform, false, &flattener);
+
+        if (uniform.active)
+        {
+            shaderUniformCount += flattener.getCounts();
+        }
+        else
+        {
+            unusedUniforms.emplace_back(uniform.name, IsSamplerType(uniform.type),
+                                        IsImageType(uniform.type),
+                                        IsAtomicCounterType(uniform.type), uniform.isFragmentInOut);
+        }
+    }
+
+    // This code does not do fine-grained component counting.
+    GLuint maxUniformVectorsCount = GetMaximumShaderUniformVectors(shaderType, caps);
+    if (shaderUniformCount.vectorCount > maxUniformVectorsCount)
+    {
+        GLuint maxUniforms = 0u;
+
+        // See comments in GetUniformResourceLimitName()
+        if (shaderType == ShaderType::Vertex || shaderType == ShaderType::Fragment)
+        {
+            maxUniforms = maxUniformVectorsCount;
+        }
+        else
+        {
+            maxUniforms = maxUniformVectorsCount * 4;
+        }
+
+        LogUniformsExceedLimit(shaderType, UniformType::Variable, maxUniforms, infoLog);
+        return false;
+    }
+
+    if (shaderUniformCount.samplerCount >
+        static_cast<GLuint>(caps.maxShaderTextureImageUnits[shaderType]))
+    {
+        LogUniformsExceedLimit(shaderType, UniformType::Sampler,
+                               caps.maxShaderTextureImageUnits[shaderType], infoLog);
+        return false;
+    }
+
+    if (shaderUniformCount.imageCount >
+        static_cast<GLuint>(caps.maxShaderImageUniforms[shaderType]))
+    {
+        LogUniformsExceedLimit(shaderType, UniformType::Image,
+                               caps.maxShaderImageUniforms[shaderType], infoLog);
+        return false;
+    }
+
+    if (shaderUniformCount.atomicCounterCount >
+        static_cast<GLuint>(caps.maxShaderAtomicCounters[shaderType]))
+    {
+        LogUniformsExceedLimit(shaderType, UniformType::AtomicCounter,
+                               caps.maxShaderAtomicCounters[shaderType], infoLog);
+        return false;
+    }
+
+    return true;
+}
+
+bool UniformLinker::flattenUniformsAndCheckCaps(const Caps &caps, InfoLog &infoLog)
+{
+    std::vector<LinkedUniform> samplerUniforms;
+    std::vector<LinkedUniform> imageUniforms;
+    std::vector<LinkedUniform> atomicCounterUniforms;
+    std::vector<LinkedUniform> inputAttachmentUniforms;
+    std::vector<UnusedUniform> unusedUniforms;
+
+    for (const ShaderType shaderType : mActiveShaderStages)
+    {
+        if (!flattenUniformsAndCheckCapsForShader(shaderType, caps, samplerUniforms, imageUniforms,
+                                                  atomicCounterUniforms, inputAttachmentUniforms,
+                                                  unusedUniforms, infoLog))
+        {
+            return false;
+        }
+    }
+
+    mUniforms.insert(mUniforms.end(), samplerUniforms.begin(), samplerUniforms.end());
+    mUniforms.insert(mUniforms.end(), imageUniforms.begin(), imageUniforms.end());
+    mUniforms.insert(mUniforms.end(), atomicCounterUniforms.begin(), atomicCounterUniforms.end());
+    mUniforms.insert(mUniforms.end(), inputAttachmentUniforms.begin(),
+                     inputAttachmentUniforms.end());
+    mUnusedUniforms.insert(mUnusedUniforms.end(), unusedUniforms.begin(), unusedUniforms.end());
+    return true;
+}
+
+bool UniformLinker::checkMaxCombinedAtomicCounters(const Caps &caps, InfoLog &infoLog)
+{
+    unsigned int atomicCounterCount = 0;
+    for (const auto &uniform : mUniforms)
+    {
+        if (IsAtomicCounterType(uniform.type) && uniform.active)
+        {
+            atomicCounterCount += uniform.getBasicTypeElementCount();
+            if (atomicCounterCount > static_cast<GLuint>(caps.maxCombinedAtomicCounters))
+            {
+                infoLog << "atomic counter count exceeds MAX_COMBINED_ATOMIC_COUNTERS"
+                        << caps.maxCombinedAtomicCounters << ").";
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+// InterfaceBlockLinker implementation.
+InterfaceBlockLinker::InterfaceBlockLinker() = default;
+
+InterfaceBlockLinker::~InterfaceBlockLinker() = default;
+
+void InterfaceBlockLinker::init(std::vector<InterfaceBlock> *blocksOut,
+                                std::vector<std::string> *unusedInterfaceBlocksOut)
+{
+    mBlocksOut                = blocksOut;
+    mUnusedInterfaceBlocksOut = unusedInterfaceBlocksOut;
+}
+
+void InterfaceBlockLinker::addShaderBlocks(ShaderType shaderType,
+                                           const std::vector<sh::InterfaceBlock> *blocks)
+{
+    mShaderBlocks[shaderType] = blocks;
+}
+
+void InterfaceBlockLinker::linkBlocks(const GetBlockSizeFunc &getBlockSize,
+                                      const GetBlockMemberInfoFunc &getMemberInfo) const
+{
+    ASSERT(mBlocksOut->empty());
+
+    std::set<std::string> visitedList;
+
+    for (const ShaderType shaderType : AllShaderTypes())
+    {
+        if (!mShaderBlocks[shaderType])
+        {
+            continue;
+        }
+
+        for (const sh::InterfaceBlock &block : *mShaderBlocks[shaderType])
+        {
+            if (!IsActiveInterfaceBlock(block))
+            {
+                mUnusedInterfaceBlocksOut->push_back(block.name);
+                continue;
+            }
+
+            if (visitedList.count(block.name) == 0)
+            {
+                defineInterfaceBlock(getBlockSize, getMemberInfo, block, shaderType);
+                visitedList.insert(block.name);
+                continue;
+            }
+
+            if (!block.active)
+            {
+                mUnusedInterfaceBlocksOut->push_back(block.name);
+                continue;
+            }
+
+            for (InterfaceBlock &priorBlock : *mBlocksOut)
+            {
+                if (block.name == priorBlock.name)
+                {
+                    priorBlock.setActive(shaderType, true);
+
+                    std::unique_ptr<sh::ShaderVariableVisitor> visitor(
+                        getVisitor(getMemberInfo, block.fieldPrefix(), block.fieldMappedPrefix(),
+                                   shaderType, -1));
+
+                    sh::TraverseShaderVariables(block.fields, false, visitor.get());
+                }
+            }
+        }
+    }
+}
+
+void InterfaceBlockLinker::defineInterfaceBlock(const GetBlockSizeFunc &getBlockSize,
+                                                const GetBlockMemberInfoFunc &getMemberInfo,
+                                                const sh::InterfaceBlock &interfaceBlock,
+                                                ShaderType shaderType) const
+{
+    size_t blockSize = 0;
+    std::vector<unsigned int> blockIndexes;
+
+    int blockIndex = static_cast<int>(mBlocksOut->size());
+    // Track the first and last block member index to determine the range of active block members in
+    // the block.
+    size_t firstBlockMemberIndex = getCurrentBlockMemberIndex();
+
+    std::unique_ptr<sh::ShaderVariableVisitor> visitor(
+        getVisitor(getMemberInfo, interfaceBlock.fieldPrefix(), interfaceBlock.fieldMappedPrefix(),
+                   shaderType, blockIndex));
+    sh::TraverseShaderVariables(interfaceBlock.fields, false, visitor.get());
+
+    size_t lastBlockMemberIndex = getCurrentBlockMemberIndex();
+
+    for (size_t blockMemberIndex = firstBlockMemberIndex; blockMemberIndex < lastBlockMemberIndex;
+         ++blockMemberIndex)
+    {
+        blockIndexes.push_back(static_cast<unsigned int>(blockMemberIndex));
+    }
+
+    unsigned int firstFieldArraySize = interfaceBlock.fields[0].getArraySizeProduct();
+
+    for (unsigned int arrayElement = 0; arrayElement < interfaceBlock.elementCount();
+         ++arrayElement)
+    {
+        std::string blockArrayName       = interfaceBlock.name;
+        std::string blockMappedArrayName = interfaceBlock.mappedName;
+        if (interfaceBlock.isArray())
+        {
+            blockArrayName += ArrayString(arrayElement);
+            blockMappedArrayName += ArrayString(arrayElement);
+        }
+
+        // Don't define this block at all if it's not active in the implementation.
+        if (!getBlockSize(blockArrayName, blockMappedArrayName, &blockSize))
+        {
+            continue;
+        }
+
+        // ESSL 3.10 section 4.4.4 page 58:
+        // Any uniform or shader storage block declared without a binding qualifier is initially
+        // assigned to block binding point zero.
+        int blockBinding =
+            (interfaceBlock.binding == -1 ? 0 : interfaceBlock.binding + arrayElement);
+        InterfaceBlock block(interfaceBlock.name, interfaceBlock.mappedName,
+                             interfaceBlock.isArray(), arrayElement, firstFieldArraySize,
+                             blockBinding);
+        block.memberIndexes = blockIndexes;
+        block.setActive(shaderType, interfaceBlock.active);
+
+        // Since all block elements in an array share the same active interface blocks, they
+        // will all be active once any block member is used. So, since interfaceBlock.name[0]
+        // was active, here we will add every block element in the array.
+        block.dataSize = static_cast<unsigned int>(blockSize);
+        mBlocksOut->push_back(block);
+    }
+}
+
+// UniformBlockLinker implementation.
+UniformBlockLinker::UniformBlockLinker() = default;
+
+UniformBlockLinker::~UniformBlockLinker() {}
+
+void UniformBlockLinker::init(std::vector<InterfaceBlock> *blocksOut,
+                              std::vector<LinkedUniform> *uniformsOut,
+                              std::vector<std::string> *unusedInterfaceBlocksOut)
+{
+    InterfaceBlockLinker::init(blocksOut, unusedInterfaceBlocksOut);
+    mUniformsOut = uniformsOut;
+}
+
+size_t UniformBlockLinker::getCurrentBlockMemberIndex() const
+{
+    return mUniformsOut->size();
+}
+
+sh::ShaderVariableVisitor *UniformBlockLinker::getVisitor(
+    const GetBlockMemberInfoFunc &getMemberInfo,
+    const std::string &namePrefix,
+    const std::string &mappedNamePrefix,
+    ShaderType shaderType,
+    int blockIndex) const
+{
+    return new UniformBlockEncodingVisitor(getMemberInfo, namePrefix, mappedNamePrefix,
+                                           mUniformsOut, shaderType, blockIndex);
+}
+
+// ShaderStorageBlockLinker implementation.
+ShaderStorageBlockLinker::ShaderStorageBlockLinker() = default;
+
+ShaderStorageBlockLinker::~ShaderStorageBlockLinker() = default;
+
+void ShaderStorageBlockLinker::init(std::vector<InterfaceBlock> *blocksOut,
+                                    std::vector<BufferVariable> *bufferVariablesOut,
+                                    std::vector<std::string> *unusedInterfaceBlocksOut)
+{
+    InterfaceBlockLinker::init(blocksOut, unusedInterfaceBlocksOut);
+    mBufferVariablesOut = bufferVariablesOut;
+}
+
+size_t ShaderStorageBlockLinker::getCurrentBlockMemberIndex() const
+{
+    return mBufferVariablesOut->size();
+}
+
+sh::ShaderVariableVisitor *ShaderStorageBlockLinker::getVisitor(
+    const GetBlockMemberInfoFunc &getMemberInfo,
+    const std::string &namePrefix,
+    const std::string &mappedNamePrefix,
+    ShaderType shaderType,
+    int blockIndex) const
+{
+    return new ShaderStorageBlockVisitor(getMemberInfo, namePrefix, mappedNamePrefix,
+                                         mBufferVariablesOut, shaderType, blockIndex);
+}
+
+// AtomicCounterBufferLinker implementation.
+AtomicCounterBufferLinker::AtomicCounterBufferLinker() = default;
+
+AtomicCounterBufferLinker::~AtomicCounterBufferLinker() = default;
+
+void AtomicCounterBufferLinker::init(std::vector<AtomicCounterBuffer> *atomicCounterBuffersOut)
+{
+    mAtomicCounterBuffersOut = atomicCounterBuffersOut;
+}
+
+void AtomicCounterBufferLinker::link(const std::map<int, unsigned int> &sizeMap) const
+{
+    for (auto &atomicCounterBuffer : *mAtomicCounterBuffersOut)
+    {
+        auto bufferSize = sizeMap.find(atomicCounterBuffer.binding);
+        ASSERT(bufferSize != sizeMap.end());
+        atomicCounterBuffer.dataSize = bufferSize->second;
+    }
+}
+
+ProgramLinkedResources::ProgramLinkedResources() = default;
+
+ProgramLinkedResources::~ProgramLinkedResources() = default;
+
+LinkingVariables::LinkingVariables(const Context *context, const ProgramState &state)
+{
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        Shader *shader = state.getAttachedShader(shaderType);
+        if (shader)
+        {
+            outputVaryings[shaderType] = shader->getOutputVaryings(context);
+            inputVaryings[shaderType]  = shader->getInputVaryings(context);
+            uniforms[shaderType]       = shader->getUniforms(context);
+            uniformBlocks[shaderType]  = shader->getUniformBlocks(context);
+            isShaderStageUsedBitset.set(shaderType);
+        }
+    }
+}
+
+LinkingVariables::LinkingVariables(const ProgramPipelineState &state)
+{
+    for (ShaderType shaderType : state.getExecutable().getLinkedShaderStages())
+    {
+        const Program *program = state.getShaderProgram(shaderType);
+        ASSERT(program);
+        outputVaryings[shaderType] = program->getExecutable().getLinkedOutputVaryings(shaderType);
+        inputVaryings[shaderType]  = program->getExecutable().getLinkedInputVaryings(shaderType);
+        uniforms[shaderType] = program->getState().getExecutable().getLinkedUniforms(shaderType);
+        uniformBlocks[shaderType] =
+            program->getState().getExecutable().getLinkedUniformBlocks(shaderType);
+        isShaderStageUsedBitset.set(shaderType);
+    }
+}
+
+LinkingVariables::~LinkingVariables() = default;
+
+void ProgramLinkedResources::init(std::vector<InterfaceBlock> *uniformBlocksOut,
+                                  std::vector<LinkedUniform> *uniformsOut,
+                                  std::vector<InterfaceBlock> *shaderStorageBlocksOut,
+                                  std::vector<BufferVariable> *bufferVariablesOut,
+                                  std::vector<AtomicCounterBuffer> *atomicCounterBuffersOut)
+{
+    uniformBlockLinker.init(uniformBlocksOut, uniformsOut, &unusedInterfaceBlocks);
+    shaderStorageBlockLinker.init(shaderStorageBlocksOut, bufferVariablesOut,
+                                  &unusedInterfaceBlocks);
+    atomicCounterBufferLinker.init(atomicCounterBuffersOut);
+}
+
+void ProgramLinkedResourcesLinker::linkResources(const Context *context,
+                                                 const ProgramState &programState,
+                                                 const ProgramLinkedResources &resources) const
+{
+    // Gather uniform interface block info.
+    InterfaceBlockInfo uniformBlockInfo(mCustomEncoderFactory);
+    for (const ShaderType shaderType : AllShaderTypes())
+    {
+        Shader *shader = programState.getAttachedShader(shaderType);
+        if (shader)
+        {
+            uniformBlockInfo.getShaderBlockInfo(shader->getUniformBlocks(context));
+        }
+    }
+
+    auto getUniformBlockSize = [&uniformBlockInfo](const std::string &name,
+                                                   const std::string &mappedName, size_t *sizeOut) {
+        return uniformBlockInfo.getBlockSize(name, mappedName, sizeOut);
+    };
+
+    auto getUniformBlockMemberInfo = [&uniformBlockInfo](const std::string &name,
+                                                         const std::string &mappedName,
+                                                         sh::BlockMemberInfo *infoOut) {
+        return uniformBlockInfo.getBlockMemberInfo(name, mappedName, infoOut);
+    };
+
+    // Link uniform interface blocks.
+    resources.uniformBlockLinker.linkBlocks(getUniformBlockSize, getUniformBlockMemberInfo);
+
+    // Gather storage buffer interface block info.
+    InterfaceBlockInfo shaderStorageBlockInfo(mCustomEncoderFactory);
+    for (const ShaderType shaderType : AllShaderTypes())
+    {
+        Shader *shader = programState.getAttachedShader(shaderType);
+        if (shader)
+        {
+            shaderStorageBlockInfo.getShaderBlockInfo(shader->getShaderStorageBlocks(context));
+        }
+    }
+    auto getShaderStorageBlockSize = [&shaderStorageBlockInfo](const std::string &name,
+                                                               const std::string &mappedName,
+                                                               size_t *sizeOut) {
+        return shaderStorageBlockInfo.getBlockSize(name, mappedName, sizeOut);
+    };
+
+    auto getShaderStorageBlockMemberInfo = [&shaderStorageBlockInfo](const std::string &name,
+                                                                     const std::string &mappedName,
+                                                                     sh::BlockMemberInfo *infoOut) {
+        return shaderStorageBlockInfo.getBlockMemberInfo(name, mappedName, infoOut);
+    };
+
+    // Link storage buffer interface blocks.
+    resources.shaderStorageBlockLinker.linkBlocks(getShaderStorageBlockSize,
+                                                  getShaderStorageBlockMemberInfo);
+
+    // Gather and link atomic counter buffer interface blocks.
+    std::map<int, unsigned int> sizeMap;
+    getAtomicCounterBufferSizeMap(programState, sizeMap);
+    resources.atomicCounterBufferLinker.link(sizeMap);
+}
+
+void ProgramLinkedResourcesLinker::getAtomicCounterBufferSizeMap(
+    const ProgramState &programState,
+    std::map<int, unsigned int> &sizeMapOut) const
+{
+    for (unsigned int index : programState.getAtomicCounterUniformRange())
+    {
+        const LinkedUniform &glUniform = programState.getUniforms()[index];
+
+        auto &bufferDataSize = sizeMapOut[glUniform.binding];
+
+        // Calculate the size of the buffer by finding the end of the last uniform with the same
+        // binding. The end of the uniform is calculated by finding the initial offset of the
+        // uniform and adding size of the uniform. For arrays, the size is the number of elements
+        // times the element size (should always by 4 for atomic_units).
+        unsigned dataOffset =
+            glUniform.offset + static_cast<unsigned int>(glUniform.getBasicTypeElementCount() *
+                                                         glUniform.getElementSize());
+        if (dataOffset > bufferDataSize)
+        {
+            bufferDataSize = dataOffset;
+        }
+    }
+}
+
+bool LinkValidateProgramGlobalNames(InfoLog &infoLog,
+                                    const ProgramExecutable &executable,
+                                    const LinkingVariables &linkingVariables)
+{
+    angle::HashMap<std::string, const sh::ShaderVariable *> uniformMap;
+    using BlockAndFieldPair = std::pair<const sh::InterfaceBlock *, const sh::ShaderVariable *>;
+    angle::HashMap<std::string, std::vector<BlockAndFieldPair>> uniformBlockFieldMap;
+
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        if (!linkingVariables.isShaderStageUsedBitset[shaderType])
+        {
+            continue;
+        }
+
+        // Build a map of Uniforms
+        const std::vector<sh::ShaderVariable> &uniforms = linkingVariables.uniforms[shaderType];
+        for (const auto &uniform : uniforms)
+        {
+            uniformMap[uniform.name] = &uniform;
+        }
+
+        // Build a map of Uniform Blocks
+        // This will also detect any field name conflicts between Uniform Blocks without instance
+        // names
+        const std::vector<sh::InterfaceBlock> &uniformBlocks =
+            linkingVariables.uniformBlocks[shaderType];
+
+        for (const auto &uniformBlock : uniformBlocks)
+        {
+            // Only uniform blocks without an instance name can create a conflict with their field
+            // names
+            if (!uniformBlock.instanceName.empty())
+            {
+                continue;
+            }
+
+            for (const auto &field : uniformBlock.fields)
+            {
+                if (!uniformBlockFieldMap.count(field.name))
+                {
+                    // First time we've seen this uniform block field name, so add the
+                    // (Uniform Block, Field) pair immediately since there can't be a conflict yet
+                    BlockAndFieldPair blockAndFieldPair(&uniformBlock, &field);
+                    std::vector<BlockAndFieldPair> newUniformBlockList;
+                    newUniformBlockList.push_back(blockAndFieldPair);
+                    uniformBlockFieldMap[field.name] = newUniformBlockList;
+                    continue;
+                }
+
+                // We've seen this name before.
+                // We need to check each of the uniform blocks that contain a field with this name
+                // to see if there's a conflict or not.
+                std::vector<BlockAndFieldPair> prevBlockFieldPairs =
+                    uniformBlockFieldMap[field.name];
+                for (const auto &prevBlockFieldPair : prevBlockFieldPairs)
+                {
+                    const sh::InterfaceBlock *prevUniformBlock      = prevBlockFieldPair.first;
+                    const sh::ShaderVariable *prevUniformBlockField = prevBlockFieldPair.second;
+
+                    if (uniformBlock.isSameInterfaceBlockAtLinkTime(*prevUniformBlock))
+                    {
+                        // The same uniform block should, by definition, contain the same field name
+                        continue;
+                    }
+
+                    // The uniform blocks don't match, so check if the necessary field properties
+                    // also match
+                    if ((field.name == prevUniformBlockField->name) &&
+                        (field.type == prevUniformBlockField->type) &&
+                        (field.precision == prevUniformBlockField->precision))
+                    {
+                        infoLog << "Name conflicts between uniform block field names: "
+                                << field.name;
+                        return false;
+                    }
+                }
+
+                // No conflict, so record this pair
+                BlockAndFieldPair blockAndFieldPair(&uniformBlock, &field);
+                uniformBlockFieldMap[field.name].push_back(blockAndFieldPair);
+            }
+        }
+    }
+
+    // Validate no uniform names conflict with attribute names
+    if (linkingVariables.isShaderStageUsedBitset[ShaderType::Vertex])
+    {
+        // ESSL 3.00.6 section 4.3.5:
+        // If a uniform variable name is declared in one stage (e.g., a vertex shader)
+        // but not in another (e.g., a fragment shader), then that name is still
+        // available in the other stage for a different use.
+        std::unordered_set<std::string> uniforms;
+        for (const sh::ShaderVariable &uniform : linkingVariables.uniforms[ShaderType::Vertex])
+        {
+            uniforms.insert(uniform.name);
+        }
+        for (const auto &attrib : executable.getProgramInputs())
+        {
+            if (uniforms.count(attrib.name))
+            {
+                infoLog << "Name conflicts between a uniform and an attribute: " << attrib.name;
+                return false;
+            }
+        }
+    }
+
+    // Validate no Uniform Block fields conflict with other Uniforms
+    for (const auto &uniformBlockField : uniformBlockFieldMap)
+    {
+        const std::string &fieldName = uniformBlockField.first;
+        if (uniformMap.count(fieldName))
+        {
+            infoLog << "Name conflicts between a uniform and a uniform block field: " << fieldName;
+            return false;
+        }
+    }
+
+    return true;
+}
+
+// [OpenGL ES 3.2] Chapter 7.4.1 "Shader Interface Matching"
+bool LinkValidateShaderInterfaceMatching(const std::vector<sh::ShaderVariable> &outputVaryings,
+                                         const std::vector<sh::ShaderVariable> &inputVaryings,
+                                         ShaderType frontShaderType,
+                                         ShaderType backShaderType,
+                                         int frontShaderVersion,
+                                         int backShaderVersion,
+                                         bool isSeparable,
+                                         gl::InfoLog &infoLog)
+{
+    ASSERT(frontShaderVersion == backShaderVersion);
+
+    std::vector<const sh::ShaderVariable *> filteredInputVaryings;
+    std::vector<const sh::ShaderVariable *> filteredOutputVaryings;
+
+    GetFilteredVaryings(inputVaryings, &filteredInputVaryings);
+    GetFilteredVaryings(outputVaryings, &filteredOutputVaryings);
+
+    // Separable programs require the number of inputs and outputs match
+    if (isSeparable && filteredInputVaryings.size() < filteredOutputVaryings.size())
+    {
+        infoLog << GetShaderTypeString(backShaderType)
+                << " does not consume all varyings generated by "
+                << GetShaderTypeString(frontShaderType);
+        return false;
+    }
+    if (isSeparable && filteredInputVaryings.size() > filteredOutputVaryings.size())
+    {
+        infoLog << GetShaderTypeString(frontShaderType)
+                << " does not generate all varyings consumed by "
+                << GetShaderTypeString(backShaderType);
+        return false;
+    }
+
+    // All inputs must match all outputs
+    for (const sh::ShaderVariable *input : filteredInputVaryings)
+    {
+        bool match = false;
+        for (const sh::ShaderVariable *output : filteredOutputVaryings)
+        {
+            if (DoShaderVariablesMatch(frontShaderVersion, frontShaderType, backShaderType, *input,
+                                       *output, isSeparable, infoLog))
+            {
+                match = true;
+                break;
+            }
+        }
+
+        // We permit unmatched, unreferenced varyings. Note that this specifically depends on
+        // whether the input is statically used - a statically used input should fail this test even
+        // if it is not active. GLSL ES 3.00.6 section 4.3.10.
+        if (!match && input->staticUse)
+        {
+            const std::string &name =
+                input->isShaderIOBlock ? input->structOrBlockName : input->name;
+            infoLog << GetShaderTypeString(backShaderType) << " varying " << name
+                    << " does not match any " << GetShaderTypeString(frontShaderType) << " varying";
+            return false;
+        }
+    }
+
+    return true;
+}
+
+LinkMismatchError LinkValidateProgramVariables(const sh::ShaderVariable &variable1,
+                                               const sh::ShaderVariable &variable2,
+                                               bool validatePrecision,
+                                               bool treatVariable1AsNonArray,
+                                               bool treatVariable2AsNonArray,
+                                               std::string *mismatchedStructOrBlockMemberName)
+{
+    if (variable1.type != variable2.type)
+    {
+        return LinkMismatchError::TYPE_MISMATCH;
+    }
+
+    bool variable1IsArray = variable1.isArray();
+    bool variable2IsArray = variable2.isArray();
+    if (treatVariable1AsNonArray)
+    {
+        ASSERT(variable1IsArray);
+        variable1IsArray = false;
+    }
+    if (treatVariable2AsNonArray)
+    {
+        ASSERT(variable2IsArray);
+        variable2IsArray = false;
+    }
+    // TODO(anglebug.com/5557): Investigate interactions with arrays-of-arrays.
+    if (variable1IsArray != variable2IsArray)
+    {
+        return LinkMismatchError::ARRAYNESS_MISMATCH;
+    }
+    if (!treatVariable1AsNonArray && !treatVariable2AsNonArray &&
+        variable1.arraySizes != variable2.arraySizes)
+    {
+        return LinkMismatchError::ARRAY_SIZE_MISMATCH;
+    }
+    if (validatePrecision && variable1.precision != variable2.precision)
+    {
+        return LinkMismatchError::PRECISION_MISMATCH;
+    }
+    if (!variable1.isShaderIOBlock && !variable2.isShaderIOBlock &&
+        variable1.structOrBlockName != variable2.structOrBlockName)
+    {
+        return LinkMismatchError::STRUCT_NAME_MISMATCH;
+    }
+    if (variable1.imageUnitFormat != variable2.imageUnitFormat)
+    {
+        return LinkMismatchError::FORMAT_MISMATCH;
+    }
+
+    if (variable1.fields.size() != variable2.fields.size())
+    {
+        return LinkMismatchError::FIELD_NUMBER_MISMATCH;
+    }
+    const unsigned int numMembers = static_cast<unsigned int>(variable1.fields.size());
+    for (unsigned int memberIndex = 0; memberIndex < numMembers; memberIndex++)
+    {
+        const sh::ShaderVariable &member1 = variable1.fields[memberIndex];
+        const sh::ShaderVariable &member2 = variable2.fields[memberIndex];
+
+        if (member1.name != member2.name)
+        {
+            return LinkMismatchError::FIELD_NAME_MISMATCH;
+        }
+
+        if (member1.interpolation != member2.interpolation)
+        {
+            return LinkMismatchError::INTERPOLATION_TYPE_MISMATCH;
+        }
+
+        if (variable1.isShaderIOBlock && variable2.isShaderIOBlock)
+        {
+            if (member1.location != member2.location)
+            {
+                return LinkMismatchError::FIELD_LOCATION_MISMATCH;
+            }
+
+            if (member1.structOrBlockName != member2.structOrBlockName)
+            {
+                return LinkMismatchError::FIELD_STRUCT_NAME_MISMATCH;
+            }
+        }
+
+        LinkMismatchError linkErrorOnField = LinkValidateProgramVariables(
+            member1, member2, validatePrecision, false, false, mismatchedStructOrBlockMemberName);
+        if (linkErrorOnField != LinkMismatchError::NO_MISMATCH)
+        {
+            AddProgramVariableParentPrefix(member1.name, mismatchedStructOrBlockMemberName);
+            return linkErrorOnField;
+        }
+    }
+
+    return LinkMismatchError::NO_MISMATCH;
+}
+
+void AddProgramVariableParentPrefix(const std::string &parentName, std::string *mismatchedFieldName)
+{
+    ASSERT(mismatchedFieldName);
+    if (mismatchedFieldName->empty())
+    {
+        *mismatchedFieldName = parentName;
+    }
+    else
+    {
+        std::ostringstream stream;
+        stream << parentName << "." << *mismatchedFieldName;
+        *mismatchedFieldName = stream.str();
+    }
+}
+
+bool LinkValidateBuiltInVaryingsInvariant(const std::vector<sh::ShaderVariable> &vertexVaryings,
+                                          const std::vector<sh::ShaderVariable> &fragmentVaryings,
+                                          int vertexShaderVersion,
+                                          InfoLog &infoLog)
+{
+    bool glPositionIsInvariant   = false;
+    bool glPointSizeIsInvariant  = false;
+    bool glFragCoordIsInvariant  = false;
+    bool glPointCoordIsInvariant = false;
+
+    for (const sh::ShaderVariable &varying : vertexVaryings)
+    {
+        if (!varying.isBuiltIn())
+        {
+            continue;
+        }
+        if (varying.name.compare("gl_Position") == 0)
+        {
+            glPositionIsInvariant = varying.isInvariant;
+        }
+        else if (varying.name.compare("gl_PointSize") == 0)
+        {
+            glPointSizeIsInvariant = varying.isInvariant;
+        }
+    }
+
+    for (const sh::ShaderVariable &varying : fragmentVaryings)
+    {
+        if (!varying.isBuiltIn())
+        {
+            continue;
+        }
+        if (varying.name.compare("gl_FragCoord") == 0)
+        {
+            glFragCoordIsInvariant = varying.isInvariant;
+        }
+        else if (varying.name.compare("gl_PointCoord") == 0)
+        {
+            glPointCoordIsInvariant = varying.isInvariant;
+        }
+    }
+
+    // There is some ambiguity in ESSL 1.00.17 paragraph 4.6.4 interpretation,
+    // for example, https://cvs.khronos.org/bugzilla/show_bug.cgi?id=13842.
+    // Not requiring invariance to match is supported by:
+    // dEQP, WebGL CTS, Nexus 5X GLES
+    if (glFragCoordIsInvariant && !glPositionIsInvariant)
+    {
+        infoLog << "gl_FragCoord can only be declared invariant if and only if gl_Position is "
+                   "declared invariant.";
+        return false;
+    }
+    if (glPointCoordIsInvariant && !glPointSizeIsInvariant)
+    {
+        infoLog << "gl_PointCoord can only be declared invariant if and only if gl_PointSize is "
+                   "declared invariant.";
+        return false;
+    }
+
+    return true;
+}
+
+bool LinkValidateBuiltInVaryings(const std::vector<sh::ShaderVariable> &outputVaryings,
+                                 const std::vector<sh::ShaderVariable> &inputVaryings,
+                                 ShaderType outputShaderType,
+                                 ShaderType inputShaderType,
+                                 int outputShaderVersion,
+                                 int inputShaderVersion,
+                                 InfoLog &infoLog)
+{
+    ASSERT(outputShaderVersion == inputShaderVersion);
+
+    // Only ESSL 1.0 has restrictions on matching input and output invariance
+    if (inputShaderVersion == 100 && outputShaderType == ShaderType::Vertex &&
+        inputShaderType == ShaderType::Fragment)
+    {
+        return LinkValidateBuiltInVaryingsInvariant(outputVaryings, inputVaryings,
+                                                    outputShaderVersion, infoLog);
+    }
+
+    uint32_t sizeClipDistance = 0;
+    uint32_t sizeCullDistance = 0;
+
+    for (const sh::ShaderVariable &varying : outputVaryings)
+    {
+        if (!varying.isBuiltIn())
+        {
+            continue;
+        }
+        if (varying.name.compare("gl_ClipDistance") == 0)
+        {
+            sizeClipDistance = varying.getOutermostArraySize();
+        }
+        else if (varying.name.compare("gl_CullDistance") == 0)
+        {
+            sizeCullDistance = varying.getOutermostArraySize();
+        }
+    }
+
+    for (const sh::ShaderVariable &varying : inputVaryings)
+    {
+        if (!varying.isBuiltIn())
+        {
+            continue;
+        }
+        if (varying.name.compare("gl_ClipDistance") == 0)
+        {
+            if (sizeClipDistance != varying.getOutermostArraySize())
+            {
+                infoLog << "If either shader redeclares the built-in arrays gl_ClipDistance[] the "
+                           "array must have the same size in both shaders.";
+                return false;
+            }
+        }
+        else if (varying.name.compare("gl_CullDistance") == 0)
+        {
+            if (sizeCullDistance != varying.getOutermostArraySize())
+            {
+                infoLog << "If either shader redeclares the built-in arrays gl_CullDistance[] the "
+                           "array must have the same size in both shaders.";
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+void LogAmbiguousFieldLinkMismatch(InfoLog &infoLog,
+                                   const std::string &blockName1,
+                                   const std::string &blockName2,
+                                   const std::string &fieldName,
+                                   ShaderType shaderType1,
+                                   ShaderType shaderType2)
+{
+    infoLog << "Ambiguous field '" << fieldName << "' in blocks '" << blockName1 << "' ("
+            << GetShaderTypeString(shaderType1) << " shader) and '" << blockName2 << "' ("
+            << GetShaderTypeString(shaderType2) << " shader) which don't have instance names.";
+}
+
+bool ValidateInstancelessGraphicsInterfaceBlocksPerShader(
+    const std::vector<sh::InterfaceBlock> &interfaceBlocks,
+    ShaderType shaderType,
+    InterfaceBlockMap *instancelessBlocksFields,
+    InfoLog &infoLog)
+{
+    ASSERT(instancelessBlocksFields);
+
+    for (const sh::InterfaceBlock &block : interfaceBlocks)
+    {
+        if (!block.instanceName.empty())
+        {
+            continue;
+        }
+
+        for (const sh::ShaderVariable &field : block.fields)
+        {
+            const auto &entry = instancelessBlocksFields->find(field.name);
+            if (entry != instancelessBlocksFields->end())
+            {
+                const sh::InterfaceBlock &linkedBlock = *(entry->second.second);
+                if (block.name != linkedBlock.name)
+                {
+                    LogAmbiguousFieldLinkMismatch(infoLog, block.name, linkedBlock.name, field.name,
+                                                  entry->second.first, shaderType);
+                    return false;
+                }
+            }
+            else
+            {
+                (*instancelessBlocksFields)[field.name] = std::make_pair(shaderType, &block);
+            }
+        }
+    }
+
+    return true;
+}
+
+LinkMismatchError LinkValidateInterfaceBlockFields(const sh::ShaderVariable &blockField1,
+                                                   const sh::ShaderVariable &blockField2,
+                                                   bool webglCompatibility,
+                                                   std::string *mismatchedBlockFieldName)
+{
+    if (blockField1.name != blockField2.name)
+    {
+        return LinkMismatchError::FIELD_NAME_MISMATCH;
+    }
+
+    // If webgl, validate precision of UBO fields, otherwise don't.  See Khronos bug 10287.
+    LinkMismatchError linkError = LinkValidateProgramVariables(
+        blockField1, blockField2, webglCompatibility, false, false, mismatchedBlockFieldName);
+    if (linkError != LinkMismatchError::NO_MISMATCH)
+    {
+        AddProgramVariableParentPrefix(blockField1.name, mismatchedBlockFieldName);
+        return linkError;
+    }
+
+    if (blockField1.isRowMajorLayout != blockField2.isRowMajorLayout)
+    {
+        AddProgramVariableParentPrefix(blockField1.name, mismatchedBlockFieldName);
+        return LinkMismatchError::MATRIX_PACKING_MISMATCH;
+    }
+
+    return LinkMismatchError::NO_MISMATCH;
+}
+
+LinkMismatchError AreMatchingInterfaceBlocks(const sh::InterfaceBlock &interfaceBlock1,
+                                             const sh::InterfaceBlock &interfaceBlock2,
+                                             bool webglCompatibility,
+                                             std::string *mismatchedBlockFieldName)
+{
+    // validate blocks for the same member types
+    if (interfaceBlock1.fields.size() != interfaceBlock2.fields.size())
+    {
+        return LinkMismatchError::FIELD_NUMBER_MISMATCH;
+    }
+    if (interfaceBlock1.arraySize != interfaceBlock2.arraySize)
+    {
+        return LinkMismatchError::ARRAY_SIZE_MISMATCH;
+    }
+    if (interfaceBlock1.layout != interfaceBlock2.layout ||
+        interfaceBlock1.binding != interfaceBlock2.binding)
+    {
+        return LinkMismatchError::LAYOUT_QUALIFIER_MISMATCH;
+    }
+    if (interfaceBlock1.instanceName.empty() != interfaceBlock2.instanceName.empty())
+    {
+        return LinkMismatchError::INSTANCE_NAME_MISMATCH;
+    }
+    const unsigned int numBlockMembers = static_cast<unsigned int>(interfaceBlock1.fields.size());
+    for (unsigned int blockMemberIndex = 0; blockMemberIndex < numBlockMembers; blockMemberIndex++)
+    {
+        const sh::ShaderVariable &member1 = interfaceBlock1.fields[blockMemberIndex];
+        const sh::ShaderVariable &member2 = interfaceBlock2.fields[blockMemberIndex];
+
+        LinkMismatchError linkError = LinkValidateInterfaceBlockFields(
+            member1, member2, webglCompatibility, mismatchedBlockFieldName);
+        if (linkError != LinkMismatchError::NO_MISMATCH)
+        {
+            return linkError;
+        }
+    }
+    return LinkMismatchError::NO_MISMATCH;
+}
+
+void InitializeInterfaceBlockMap(const std::vector<sh::InterfaceBlock> &interfaceBlocks,
+                                 ShaderType shaderType,
+                                 InterfaceBlockMap *linkedInterfaceBlocks)
+{
+    ASSERT(linkedInterfaceBlocks);
+
+    for (const sh::InterfaceBlock &interfaceBlock : interfaceBlocks)
+    {
+        (*linkedInterfaceBlocks)[interfaceBlock.name] = std::make_pair(shaderType, &interfaceBlock);
+    }
+}
+
+bool ValidateGraphicsInterfaceBlocksPerShader(
+    const std::vector<sh::InterfaceBlock> &interfaceBlocksToLink,
+    ShaderType shaderType,
+    bool webglCompatibility,
+    InterfaceBlockMap *linkedBlocks,
+    InfoLog &infoLog)
+{
+    ASSERT(linkedBlocks);
+
+    for (const sh::InterfaceBlock &block : interfaceBlocksToLink)
+    {
+        const auto &entry = linkedBlocks->find(block.name);
+        if (entry != linkedBlocks->end())
+        {
+            const sh::InterfaceBlock &linkedBlock = *(entry->second.second);
+            std::string mismatchedStructFieldName;
+            LinkMismatchError linkError = AreMatchingInterfaceBlocks(
+                block, linkedBlock, webglCompatibility, &mismatchedStructFieldName);
+            if (linkError != LinkMismatchError::NO_MISMATCH)
+            {
+                LogLinkMismatch(infoLog, block.name, GetInterfaceBlockTypeString(block.blockType),
+                                linkError, mismatchedStructFieldName, entry->second.first,
+                                shaderType);
+                return false;
+            }
+        }
+        else
+        {
+            (*linkedBlocks)[block.name] = std::make_pair(shaderType, &block);
+        }
+    }
+
+    return true;
+}
+
+bool ValidateInterfaceBlocksMatch(
+    GLuint numShadersHasInterfaceBlocks,
+    const ShaderMap<const std::vector<sh::InterfaceBlock> *> &shaderInterfaceBlocks,
+    InfoLog &infoLog,
+    bool webglCompatibility,
+    InterfaceBlockMap *instancelessInterfaceBlocksFields)
+{
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        // Validate that instanceless blocks of different names don't have fields of the same name.
+        if (shaderInterfaceBlocks[shaderType] &&
+            !ValidateInstancelessGraphicsInterfaceBlocksPerShader(
+                *shaderInterfaceBlocks[shaderType], shaderType, instancelessInterfaceBlocksFields,
+                infoLog))
+        {
+            return false;
+        }
+    }
+
+    if (numShadersHasInterfaceBlocks < 2u)
+    {
+        return true;
+    }
+
+    ASSERT(!shaderInterfaceBlocks[ShaderType::Compute]);
+
+    // Check that interface blocks defined in the graphics shaders are identical
+
+    InterfaceBlockMap linkedInterfaceBlocks;
+
+    bool interfaceBlockMapInitialized = false;
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        if (!shaderInterfaceBlocks[shaderType])
+        {
+            continue;
+        }
+
+        if (!interfaceBlockMapInitialized)
+        {
+            InitializeInterfaceBlockMap(*shaderInterfaceBlocks[shaderType], shaderType,
+                                        &linkedInterfaceBlocks);
+            interfaceBlockMapInitialized = true;
+        }
+        else if (!ValidateGraphicsInterfaceBlocksPerShader(*shaderInterfaceBlocks[shaderType],
+                                                           shaderType, webglCompatibility,
+                                                           &linkedInterfaceBlocks, infoLog))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool LinkValidateProgramInterfaceBlocks(const Context *context,
+                                        ShaderBitSet activeProgramStages,
+                                        const ProgramLinkedResources &resources,
+                                        InfoLog &infoLog,
+                                        GLuint *combinedShaderStorageBlocksCountOut)
+{
+    ASSERT(combinedShaderStorageBlocksCountOut);
+
+    const Caps &caps              = context->getCaps();
+    const bool webglCompatibility = context->isWebGL();
+    const Version &version        = context->getClientVersion();
+
+    GLuint combinedUniformBlocksCount                                         = 0u;
+    GLuint numShadersHasUniformBlocks                                         = 0u;
+    ShaderMap<const std::vector<sh::InterfaceBlock> *> allShaderUniformBlocks = {};
+    InterfaceBlockMap instancelessInterfaceBlocksFields;
+
+    for (ShaderType shaderType : activeProgramStages)
+    {
+        const std::vector<sh::InterfaceBlock> &uniformBlocks =
+            resources.uniformBlockLinker.getShaderBlocks(shaderType);
+        if (!uniformBlocks.empty())
+        {
+            if (!ValidateInterfaceBlocksCount(
+                    static_cast<GLuint>(caps.maxShaderUniformBlocks[shaderType]), uniformBlocks,
+                    shaderType, sh::BlockType::BLOCK_UNIFORM, &combinedUniformBlocksCount, infoLog))
+            {
+                return false;
+            }
+
+            allShaderUniformBlocks[shaderType] = &uniformBlocks;
+            ++numShadersHasUniformBlocks;
+        }
+    }
+
+    if (combinedUniformBlocksCount > static_cast<GLuint>(caps.maxCombinedUniformBlocks))
+    {
+        infoLog << "The sum of the number of active uniform blocks exceeds "
+                   "MAX_COMBINED_UNIFORM_BLOCKS ("
+                << caps.maxCombinedUniformBlocks << ").";
+        return false;
+    }
+
+    if (!ValidateInterfaceBlocksMatch(numShadersHasUniformBlocks, allShaderUniformBlocks, infoLog,
+                                      webglCompatibility, &instancelessInterfaceBlocksFields))
+    {
+        return false;
+    }
+
+    if (version >= Version(3, 1))
+    {
+        *combinedShaderStorageBlocksCountOut                                      = 0u;
+        GLuint numShadersHasShaderStorageBlocks                                   = 0u;
+        ShaderMap<const std::vector<sh::InterfaceBlock> *> allShaderStorageBlocks = {};
+        for (ShaderType shaderType : activeProgramStages)
+        {
+            const std::vector<sh::InterfaceBlock> &shaderStorageBlocks =
+                resources.shaderStorageBlockLinker.getShaderBlocks(shaderType);
+            if (!shaderStorageBlocks.empty())
+            {
+                if (!ValidateInterfaceBlocksCount(
+                        static_cast<GLuint>(caps.maxShaderStorageBlocks[shaderType]),
+                        shaderStorageBlocks, shaderType, sh::BlockType::BLOCK_BUFFER,
+                        combinedShaderStorageBlocksCountOut, infoLog))
+                {
+                    return false;
+                }
+
+                allShaderStorageBlocks[shaderType] = &shaderStorageBlocks;
+                ++numShadersHasShaderStorageBlocks;
+            }
+        }
+
+        if (*combinedShaderStorageBlocksCountOut >
+            static_cast<GLuint>(caps.maxCombinedShaderStorageBlocks))
+        {
+            infoLog << "The sum of the number of active shader storage blocks exceeds "
+                       "MAX_COMBINED_SHADER_STORAGE_BLOCKS ("
+                    << caps.maxCombinedShaderStorageBlocks << ").";
+            return false;
+        }
+
+        if (!ValidateInterfaceBlocksMatch(numShadersHasShaderStorageBlocks, allShaderStorageBlocks,
+                                          infoLog, webglCompatibility,
+                                          &instancelessInterfaceBlocksFields))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/ProgramLinkedResources.h b/gfx/angle/checkout/src/libANGLE/ProgramLinkedResources.h
new file mode 100644
index 0000000000..0bb6cbb96f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ProgramLinkedResources.h
@@ -0,0 +1,333 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramLinkedResources.h: implements link-time checks for default block uniforms, and generates
+// uniform locations. Populates data structures related to uniforms so that they can be stored in
+// program state.
+
+#ifndef LIBANGLE_UNIFORMLINKER_H_
+#define LIBANGLE_UNIFORMLINKER_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/VaryingPacking.h"
+
+#include <functional>
+
+namespace sh
+{
+class BlockLayoutEncoder;
+struct BlockMemberInfo;
+struct InterfaceBlock;
+struct ShaderVariable;
+class BlockEncoderVisitor;
+class ShaderVariableVisitor;
+struct ShaderVariable;
+}  // namespace sh
+
+namespace gl
+{
+struct BufferVariable;
+struct Caps;
+class Context;
+class InfoLog;
+struct InterfaceBlock;
+enum class LinkMismatchError;
+struct LinkedUniform;
+class ProgramState;
+class ProgramPipelineState;
+class ProgramBindings;
+class ProgramAliasedBindings;
+class Shader;
+struct ShaderVariableBuffer;
+struct UnusedUniform;
+struct VariableLocation;
+
+using AtomicCounterBuffer = ShaderVariableBuffer;
+using ShaderUniform       = std::pair<ShaderType, const sh::ShaderVariable *>;
+
+class UniformLinker final : angle::NonCopyable
+{
+  public:
+    UniformLinker(const ShaderBitSet &activeShaderStages,
+                  const ShaderMap<std::vector<sh::ShaderVariable>> &shaderUniforms);
+    ~UniformLinker();
+
+    bool link(const Caps &caps,
+              InfoLog &infoLog,
+              const ProgramAliasedBindings &uniformLocationBindings);
+
+    void getResults(std::vector<LinkedUniform> *uniforms,
+                    std::vector<UnusedUniform> *unusedUniformsOutOrNull,
+                    std::vector<VariableLocation> *uniformLocationsOutOrNull);
+
+  private:
+    bool validateGraphicsUniforms(InfoLog &infoLog) const;
+    bool validateGraphicsUniformsPerShader(ShaderType shaderToLink,
+                                           bool extendLinkedUniforms,
+                                           std::map<std::string, ShaderUniform> *linkedUniforms,
+                                           InfoLog &infoLog) const;
+    bool flattenUniformsAndCheckCapsForShader(ShaderType shaderType,
+                                              const Caps &caps,
+                                              std::vector<LinkedUniform> &samplerUniforms,
+                                              std::vector<LinkedUniform> &imageUniforms,
+                                              std::vector<LinkedUniform> &atomicCounterUniforms,
+                                              std::vector<LinkedUniform> &inputAttachmentUniforms,
+                                              std::vector<UnusedUniform> &unusedUniforms,
+                                              InfoLog &infoLog);
+
+    bool flattenUniformsAndCheckCaps(const Caps &caps, InfoLog &infoLog);
+    bool checkMaxCombinedAtomicCounters(const Caps &caps, InfoLog &infoLog);
+
+    bool indexUniforms(InfoLog &infoLog, const ProgramAliasedBindings &uniformLocationBindings);
+    bool gatherUniformLocationsAndCheckConflicts(
+        InfoLog &infoLog,
+        const ProgramAliasedBindings &uniformLocationBindings,
+        std::set<GLuint> *ignoredLocations,
+        int *maxUniformLocation);
+    void pruneUnusedUniforms();
+
+    ShaderBitSet mActiveShaderStages;
+    const ShaderMap<std::vector<sh::ShaderVariable>> &mShaderUniforms;
+    std::vector<LinkedUniform> mUniforms;
+    std::vector<UnusedUniform> mUnusedUniforms;
+    std::vector<VariableLocation> mUniformLocations;
+};
+
+using GetBlockSizeFunc = std::function<
+    bool(const std::string &blockName, const std::string &blockMappedName, size_t *sizeOut)>;
+using GetBlockMemberInfoFunc = std::function<
+    bool(const std::string &name, const std::string &mappedName, sh::BlockMemberInfo *infoOut)>;
+
+// This class is intended to be used during the link step to store interface block information.
+// It is called by the Impl class during ProgramImpl::link so that it has access to the
+// real block size and layout.
+class InterfaceBlockLinker : angle::NonCopyable
+{
+  public:
+    virtual ~InterfaceBlockLinker();
+
+    // This is called once per shader stage. It stores a pointer to the block vector, so it's
+    // important that this class does not persist longer than the duration of Program::link.
+    void addShaderBlocks(ShaderType shader, const std::vector<sh::InterfaceBlock> *blocks);
+
+    // This is called once during a link operation, after all shader blocks are added.
+    void linkBlocks(const GetBlockSizeFunc &getBlockSize,
+                    const GetBlockMemberInfoFunc &getMemberInfo) const;
+
+    const std::vector<sh::InterfaceBlock> &getShaderBlocks(ShaderType shaderType) const
+    {
+        ASSERT(mShaderBlocks[shaderType]);
+        return *mShaderBlocks[shaderType];
+    }
+
+  protected:
+    InterfaceBlockLinker();
+    void init(std::vector<InterfaceBlock> *blocksOut,
+              std::vector<std::string> *unusedInterfaceBlocksOut);
+    void defineInterfaceBlock(const GetBlockSizeFunc &getBlockSize,
+                              const GetBlockMemberInfoFunc &getMemberInfo,
+                              const sh::InterfaceBlock &interfaceBlock,
+                              ShaderType shaderType) const;
+
+    virtual size_t getCurrentBlockMemberIndex() const = 0;
+
+    virtual sh::ShaderVariableVisitor *getVisitor(const GetBlockMemberInfoFunc &getMemberInfo,
+                                                  const std::string &namePrefix,
+                                                  const std::string &mappedNamePrefix,
+                                                  ShaderType shaderType,
+                                                  int blockIndex) const = 0;
+
+    ShaderMap<const std::vector<sh::InterfaceBlock> *> mShaderBlocks = {};
+
+    std::vector<InterfaceBlock> *mBlocksOut             = nullptr;
+    std::vector<std::string> *mUnusedInterfaceBlocksOut = nullptr;
+};
+
+class UniformBlockLinker final : public InterfaceBlockLinker
+{
+  public:
+    UniformBlockLinker();
+    ~UniformBlockLinker() override;
+
+    void init(std::vector<InterfaceBlock> *blocksOut,
+              std::vector<LinkedUniform> *uniformsOut,
+              std::vector<std::string> *unusedInterfaceBlocksOut);
+
+  private:
+    size_t getCurrentBlockMemberIndex() const override;
+
+    sh::ShaderVariableVisitor *getVisitor(const GetBlockMemberInfoFunc &getMemberInfo,
+                                          const std::string &namePrefix,
+                                          const std::string &mappedNamePrefix,
+                                          ShaderType shaderType,
+                                          int blockIndex) const override;
+
+    std::vector<LinkedUniform> *mUniformsOut = nullptr;
+};
+
+class ShaderStorageBlockLinker final : public InterfaceBlockLinker
+{
+  public:
+    ShaderStorageBlockLinker();
+    ~ShaderStorageBlockLinker() override;
+
+    void init(std::vector<InterfaceBlock> *blocksOut,
+              std::vector<BufferVariable> *bufferVariablesOut,
+              std::vector<std::string> *unusedInterfaceBlocksOut);
+
+  private:
+    size_t getCurrentBlockMemberIndex() const override;
+
+    sh::ShaderVariableVisitor *getVisitor(const GetBlockMemberInfoFunc &getMemberInfo,
+                                          const std::string &namePrefix,
+                                          const std::string &mappedNamePrefix,
+                                          ShaderType shaderType,
+                                          int blockIndex) const override;
+
+    std::vector<BufferVariable> *mBufferVariablesOut = nullptr;
+};
+
+class AtomicCounterBufferLinker final : angle::NonCopyable
+{
+  public:
+    AtomicCounterBufferLinker();
+    ~AtomicCounterBufferLinker();
+
+    void init(std::vector<AtomicCounterBuffer> *atomicCounterBuffersOut);
+    void link(const std::map<int, unsigned int> &sizeMap) const;
+
+  private:
+    std::vector<AtomicCounterBuffer> *mAtomicCounterBuffersOut = nullptr;
+};
+
+// The link operation is responsible for finishing the link of uniform and interface blocks.
+// This way it can filter out unreferenced resources and still have access to the info.
+// TODO(jmadill): Integrate uniform linking/filtering as well as interface blocks.
+struct UnusedUniform
+{
+    UnusedUniform(std::string name,
+                  bool isSampler,
+                  bool isImage,
+                  bool isAtomicCounter,
+                  bool isFragmentInOut)
+    {
+        this->name            = name;
+        this->isSampler       = isSampler;
+        this->isImage         = isImage;
+        this->isAtomicCounter = isAtomicCounter;
+        this->isFragmentInOut = isFragmentInOut;
+    }
+
+    std::string name;
+    bool isSampler;
+    bool isImage;
+    bool isAtomicCounter;
+    bool isFragmentInOut;
+};
+
+struct ProgramLinkedResources
+{
+    ProgramLinkedResources();
+    ~ProgramLinkedResources();
+
+    void init(std::vector<InterfaceBlock> *uniformBlocksOut,
+              std::vector<LinkedUniform> *uniformsOut,
+              std::vector<InterfaceBlock> *shaderStorageBlocksOut,
+              std::vector<BufferVariable> *bufferVariablesOut,
+              std::vector<AtomicCounterBuffer> *atomicCounterBuffersOut);
+
+    ProgramVaryingPacking varyingPacking;
+    UniformBlockLinker uniformBlockLinker;
+    ShaderStorageBlockLinker shaderStorageBlockLinker;
+    AtomicCounterBufferLinker atomicCounterBufferLinker;
+    std::vector<UnusedUniform> unusedUniforms;
+    std::vector<std::string> unusedInterfaceBlocks;
+};
+
+struct LinkingVariables final : private angle::NonCopyable
+{
+    LinkingVariables(const Context *context, const ProgramState &state);
+    LinkingVariables(const ProgramPipelineState &state);
+    ~LinkingVariables();
+
+    ShaderMap<std::vector<sh::ShaderVariable>> outputVaryings;
+    ShaderMap<std::vector<sh::ShaderVariable>> inputVaryings;
+    ShaderMap<std::vector<sh::ShaderVariable>> uniforms;
+    ShaderMap<std::vector<sh::InterfaceBlock>> uniformBlocks;
+    ShaderBitSet isShaderStageUsedBitset;
+};
+
+class CustomBlockLayoutEncoderFactory : angle::NonCopyable
+{
+  public:
+    virtual ~CustomBlockLayoutEncoderFactory() {}
+
+    virtual sh::BlockLayoutEncoder *makeEncoder() = 0;
+};
+
+// Used by the backends in Program*::linkResources to parse interface blocks and provide
+// information to ProgramLinkedResources' linkers.
+class ProgramLinkedResourcesLinker final : angle::NonCopyable
+{
+  public:
+    ProgramLinkedResourcesLinker(CustomBlockLayoutEncoderFactory *customEncoderFactory)
+        : mCustomEncoderFactory(customEncoderFactory)
+    {}
+
+    void linkResources(const Context *context,
+                       const ProgramState &programState,
+                       const ProgramLinkedResources &resources) const;
+
+  private:
+    void getAtomicCounterBufferSizeMap(const ProgramState &programState,
+                                       std::map<int, unsigned int> &sizeMapOut) const;
+
+    CustomBlockLayoutEncoderFactory *mCustomEncoderFactory;
+};
+
+using ShaderInterfaceBlock = std::pair<ShaderType, const sh::InterfaceBlock *>;
+using InterfaceBlockMap    = std::map<std::string, ShaderInterfaceBlock>;
+
+bool LinkValidateProgramGlobalNames(InfoLog &infoLog,
+                                    const ProgramExecutable &executable,
+                                    const LinkingVariables &linkingVariables);
+bool LinkValidateShaderInterfaceMatching(const std::vector<sh::ShaderVariable> &outputVaryings,
+                                         const std::vector<sh::ShaderVariable> &inputVaryings,
+                                         ShaderType frontShaderType,
+                                         ShaderType backShaderType,
+                                         int frontShaderVersion,
+                                         int backShaderVersion,
+                                         bool isSeparable,
+                                         InfoLog &infoLog);
+bool LinkValidateBuiltInVaryingsInvariant(const std::vector<sh::ShaderVariable> &vertexVaryings,
+                                          const std::vector<sh::ShaderVariable> &fragmentVaryings,
+                                          int vertexShaderVersion,
+                                          InfoLog &infoLog);
+bool LinkValidateBuiltInVaryings(const std::vector<sh::ShaderVariable> &inputVaryings,
+                                 const std::vector<sh::ShaderVariable> &outputVaryings,
+                                 ShaderType inputShaderType,
+                                 ShaderType outputShaderType,
+                                 int inputShaderVersion,
+                                 int outputShaderVersion,
+                                 InfoLog &infoLog);
+LinkMismatchError LinkValidateProgramVariables(const sh::ShaderVariable &variable1,
+                                               const sh::ShaderVariable &variable2,
+                                               bool validatePrecision,
+                                               bool treatVariable1AsNonArray,
+                                               bool treatVariable2AsNonArray,
+                                               std::string *mismatchedStructOrBlockMemberName);
+void AddProgramVariableParentPrefix(const std::string &parentName,
+                                    std::string *mismatchedFieldName);
+bool LinkValidateProgramInterfaceBlocks(const Context *context,
+                                        ShaderBitSet activeProgramStages,
+                                        const ProgramLinkedResources &resources,
+                                        InfoLog &infoLog,
+                                        GLuint *combinedShaderStorageBlocksCountOut);
+}  // namespace gl
+
+#endif  // LIBANGLE_UNIFORMLINKER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/ProgramPipeline.cpp b/gfx/angle/checkout/src/libANGLE/ProgramPipeline.cpp
new file mode 100644
index 0000000000..1675b06705
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ProgramPipeline.cpp
@@ -0,0 +1,721 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramPipeline.cpp: Implements the gl::ProgramPipeline class.
+// Implements GL program pipeline objects and related functionality.
+// [OpenGL ES 3.1] section 7.4 page 105.
+
+#include "libANGLE/ProgramPipeline.h"
+
+#include <algorithm>
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/ProgramPipelineImpl.h"
+
+namespace gl
+{
+
+enum SubjectIndexes : angle::SubjectIndex
+{
+    kExecutableSubjectIndex = 0
+};
+
+ProgramPipelineState::ProgramPipelineState()
+    : mLabel(),
+      mActiveShaderProgram(nullptr),
+      mValid(false),
+      mExecutable(new ProgramExecutable()),
+      mIsLinked(false)
+{
+    for (const ShaderType shaderType : gl::AllShaderTypes())
+    {
+        mPrograms[shaderType] = nullptr;
+    }
+}
+
+ProgramPipelineState::~ProgramPipelineState()
+{
+    SafeDelete(mExecutable);
+}
+
+const std::string &ProgramPipelineState::getLabel() const
+{
+    return mLabel;
+}
+
+void ProgramPipelineState::activeShaderProgram(Program *shaderProgram)
+{
+    mActiveShaderProgram = shaderProgram;
+}
+
+void ProgramPipelineState::useProgramStage(const Context *context,
+                                           const ShaderType shaderType,
+                                           Program *shaderProgram,
+                                           angle::ObserverBinding *programObserverBindings)
+{
+    Program *oldProgram = mPrograms[shaderType];
+    if (oldProgram)
+    {
+        oldProgram->release(context);
+    }
+
+    // If program refers to a program object with a valid shader attached for the indicated shader
+    // stage, glUseProgramStages installs the executable code for that stage in the indicated
+    // program pipeline object pipeline.
+    if (shaderProgram && (shaderProgram->id().value != 0) &&
+        shaderProgram->getExecutable().hasLinkedShaderStage(shaderType))
+    {
+        mPrograms[shaderType] = shaderProgram;
+        shaderProgram->addRef();
+    }
+    else
+    {
+        // If program is zero, or refers to a program object with no valid shader executable for the
+        // given stage, it is as if the pipeline object has no programmable stage configured for the
+        // indicated shader stage.
+        mPrograms[shaderType] = nullptr;
+    }
+
+    Program *program = mPrograms[shaderType];
+    programObserverBindings->bind(program);
+}
+
+void ProgramPipelineState::useProgramStages(
+    const Context *context,
+    const gl::ShaderBitSet &shaderTypes,
+    Program *shaderProgram,
+    std::vector<angle::ObserverBinding> *programObserverBindings)
+{
+    for (ShaderType shaderType : shaderTypes)
+    {
+        useProgramStage(context, shaderType, shaderProgram,
+                        &programObserverBindings->at(static_cast<size_t>(shaderType)));
+    }
+}
+
+bool ProgramPipelineState::usesShaderProgram(ShaderProgramID programId) const
+{
+    for (const Program *program : mPrograms)
+    {
+        if (program && (program->id() == programId))
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void ProgramPipelineState::updateExecutableTextures()
+{
+    for (const ShaderType shaderType : mExecutable->getLinkedShaderStages())
+    {
+        const Program *program = getShaderProgram(shaderType);
+        ASSERT(program);
+        mExecutable->setActiveTextureMask(mExecutable->getActiveSamplersMask() |
+                                          program->getExecutable().getActiveSamplersMask());
+        mExecutable->setActiveImagesMask(mExecutable->getActiveImagesMask() |
+                                         program->getExecutable().getActiveImagesMask());
+        // Updates mActiveSamplerRefCounts, mActiveSamplerTypes, and mActiveSamplerFormats
+        mExecutable->updateActiveSamplers(program->getState());
+    }
+}
+
+rx::SpecConstUsageBits ProgramPipelineState::getSpecConstUsageBits() const
+{
+    rx::SpecConstUsageBits specConstUsageBits;
+    for (const ShaderType shaderType : mExecutable->getLinkedShaderStages())
+    {
+        const Program *program = getShaderProgram(shaderType);
+        ASSERT(program);
+        specConstUsageBits |= program->getState().getSpecConstUsageBits();
+    }
+    return specConstUsageBits;
+}
+
+ProgramPipeline::ProgramPipeline(rx::GLImplFactory *factory, ProgramPipelineID handle)
+    : RefCountObject(factory->generateSerial(), handle),
+      mProgramPipelineImpl(factory->createProgramPipeline(mState)),
+      mExecutableObserverBinding(this, kExecutableSubjectIndex)
+{
+    ASSERT(mProgramPipelineImpl);
+
+    for (const ShaderType shaderType : gl::AllShaderTypes())
+    {
+        mProgramObserverBindings.emplace_back(this, static_cast<angle::SubjectIndex>(shaderType));
+    }
+    mExecutableObserverBinding.bind(mState.mExecutable);
+}
+
+ProgramPipeline::~ProgramPipeline()
+{
+    mProgramPipelineImpl.reset(nullptr);
+}
+
+void ProgramPipeline::onDestroy(const Context *context)
+{
+    for (Program *program : mState.mPrograms)
+    {
+        if (program)
+        {
+            ASSERT(program->getRefCount());
+            program->release(context);
+        }
+    }
+
+    getImplementation()->destroy(context);
+}
+
+angle::Result ProgramPipeline::setLabel(const Context *context, const std::string &label)
+{
+    mState.mLabel = label;
+
+    if (mProgramPipelineImpl)
+    {
+        return mProgramPipelineImpl->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &ProgramPipeline::getLabel() const
+{
+    return mState.mLabel;
+}
+
+rx::ProgramPipelineImpl *ProgramPipeline::getImplementation() const
+{
+    return mProgramPipelineImpl.get();
+}
+
+void ProgramPipeline::activeShaderProgram(Program *shaderProgram)
+{
+    mState.activeShaderProgram(shaderProgram);
+}
+
+angle::Result ProgramPipeline::useProgramStages(const Context *context,
+                                                GLbitfield stages,
+                                                Program *shaderProgram)
+{
+    bool needToUpdatePipelineState = false;
+    gl::ShaderBitSet shaderTypes;
+    if (stages != GL_ALL_SHADER_BITS)
+    {
+        ASSERT(stages < 256u);
+        for (size_t singleShaderBit : angle::BitSet<8>(stages))
+        {
+            // Cast back to a bit after the iterator returns an index.
+            ShaderType shaderType = GetShaderTypeFromBitfield(angle::Bit<size_t>(singleShaderBit));
+            ASSERT(shaderType != ShaderType::InvalidEnum);
+            shaderTypes.set(shaderType);
+        }
+    }
+    else
+    {
+        shaderTypes.set();
+    }
+    ASSERT(shaderTypes.any());
+
+    for (ShaderType shaderType : shaderTypes)
+    {
+        if (mState.getShaderProgram(shaderType) != shaderProgram ||
+            (shaderProgram && shaderProgram->hasAnyDirtyBit()))
+        {
+            needToUpdatePipelineState = true;
+            break;
+        }
+    }
+
+    if (!needToUpdatePipelineState)
+    {
+        return angle::Result::Continue;
+    }
+
+    mState.useProgramStages(context, shaderTypes, shaderProgram, &mProgramObserverBindings);
+    updateLinkedShaderStages();
+
+    mState.mIsLinked = false;
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+void ProgramPipeline::updateLinkedShaderStages()
+{
+    mState.mExecutable->resetLinkedShaderStages();
+
+    for (const ShaderType shaderType : gl::AllShaderTypes())
+    {
+        Program *program = mState.mPrograms[shaderType];
+        if (program)
+        {
+            mState.mExecutable->setLinkedShaderStages(shaderType);
+        }
+    }
+
+    mState.mExecutable->updateCanDrawWith();
+}
+
+void ProgramPipeline::updateExecutableAttributes()
+{
+    Program *vertexProgram = getShaderProgram(gl::ShaderType::Vertex);
+
+    if (!vertexProgram)
+    {
+        return;
+    }
+
+    const ProgramExecutable &vertexExecutable      = vertexProgram->getExecutable();
+    mState.mExecutable->mActiveAttribLocationsMask = vertexExecutable.mActiveAttribLocationsMask;
+    mState.mExecutable->mMaxActiveAttribLocation   = vertexExecutable.mMaxActiveAttribLocation;
+    mState.mExecutable->mAttributesTypeMask        = vertexExecutable.mAttributesTypeMask;
+    mState.mExecutable->mAttributesMask            = vertexExecutable.mAttributesMask;
+    mState.mExecutable->mProgramInputs             = vertexExecutable.mProgramInputs;
+}
+
+void ProgramPipeline::updateTransformFeedbackMembers()
+{
+    ShaderType lastVertexProcessingStage =
+        gl::GetLastPreFragmentStage(getExecutable().getLinkedShaderStages());
+    if (lastVertexProcessingStage == ShaderType::InvalidEnum)
+    {
+        return;
+    }
+
+    Program *shaderProgram = getShaderProgram(lastVertexProcessingStage);
+    ASSERT(shaderProgram);
+
+    const ProgramExecutable &lastPreFragmentExecutable = shaderProgram->getExecutable();
+    mState.mExecutable->mTransformFeedbackStrides =
+        lastPreFragmentExecutable.mTransformFeedbackStrides;
+    mState.mExecutable->mLinkedTransformFeedbackVaryings =
+        lastPreFragmentExecutable.mLinkedTransformFeedbackVaryings;
+}
+
+void ProgramPipeline::updateShaderStorageBlocks()
+{
+    mState.mExecutable->mShaderStorageBlocks.clear();
+
+    // Only copy the storage blocks from each Program in the PPO once, since each Program could
+    // contain multiple shader stages.
+    ShaderBitSet handledStages;
+
+    for (const gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        const Program *shaderProgram = getShaderProgram(shaderType);
+        if (shaderProgram && !handledStages.test(shaderType))
+        {
+            // Only add each Program's blocks once.
+            handledStages |= shaderProgram->getExecutable().getLinkedShaderStages();
+
+            for (const InterfaceBlock &block :
+                 shaderProgram->getExecutable().getShaderStorageBlocks())
+            {
+                mState.mExecutable->mShaderStorageBlocks.emplace_back(block);
+            }
+        }
+    }
+}
+
+void ProgramPipeline::updateImageBindings()
+{
+    mState.mExecutable->mImageBindings.clear();
+    mState.mExecutable->mActiveImageShaderBits.fill({});
+
+    // Only copy the storage blocks from each Program in the PPO once, since each Program could
+    // contain multiple shader stages.
+    ShaderBitSet handledStages;
+
+    for (const gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        const Program *shaderProgram = getShaderProgram(shaderType);
+        if (shaderProgram && !handledStages.test(shaderType))
+        {
+            // Only add each Program's blocks once.
+            handledStages |= shaderProgram->getExecutable().getLinkedShaderStages();
+
+            for (const ImageBinding &imageBinding : shaderProgram->getState().getImageBindings())
+            {
+                mState.mExecutable->mImageBindings.emplace_back(imageBinding);
+            }
+
+            mState.mExecutable->updateActiveImages(shaderProgram->getExecutable());
+        }
+    }
+}
+
+void ProgramPipeline::updateExecutableGeometryProperties()
+{
+    Program *geometryProgram = getShaderProgram(gl::ShaderType::Geometry);
+
+    if (!geometryProgram)
+    {
+        return;
+    }
+
+    const ProgramExecutable &geometryExecutable = geometryProgram->getExecutable();
+    mState.mExecutable->mGeometryShaderInputPrimitiveType =
+        geometryExecutable.mGeometryShaderInputPrimitiveType;
+    mState.mExecutable->mGeometryShaderOutputPrimitiveType =
+        geometryExecutable.mGeometryShaderOutputPrimitiveType;
+    mState.mExecutable->mGeometryShaderInvocations = geometryExecutable.mGeometryShaderInvocations;
+    mState.mExecutable->mGeometryShaderMaxVertices = geometryExecutable.mGeometryShaderMaxVertices;
+}
+
+void ProgramPipeline::updateExecutableTessellationProperties()
+{
+    Program *tessControlProgram = getShaderProgram(gl::ShaderType::TessControl);
+    Program *tessEvalProgram    = getShaderProgram(gl::ShaderType::TessEvaluation);
+
+    if (tessControlProgram)
+    {
+        const ProgramExecutable &tessControlExecutable = tessControlProgram->getExecutable();
+        mState.mExecutable->mTessControlShaderVertices =
+            tessControlExecutable.mTessControlShaderVertices;
+    }
+
+    if (tessEvalProgram)
+    {
+        const ProgramExecutable &tessEvalExecutable = tessEvalProgram->getExecutable();
+        mState.mExecutable->mTessGenMode            = tessEvalExecutable.mTessGenMode;
+        mState.mExecutable->mTessGenSpacing         = tessEvalExecutable.mTessGenSpacing;
+        mState.mExecutable->mTessGenVertexOrder     = tessEvalExecutable.mTessGenVertexOrder;
+        mState.mExecutable->mTessGenPointMode       = tessEvalExecutable.mTessGenPointMode;
+    }
+}
+
+void ProgramPipeline::updateFragmentInoutRangeAndEnablesPerSampleShading()
+{
+    Program *fragmentProgram = getShaderProgram(gl::ShaderType::Fragment);
+
+    if (!fragmentProgram)
+    {
+        return;
+    }
+
+    const ProgramExecutable &fragmentExecutable  = fragmentProgram->getExecutable();
+    mState.mExecutable->mFragmentInoutRange      = fragmentExecutable.mFragmentInoutRange;
+    mState.mExecutable->mHasDiscard              = fragmentExecutable.mHasDiscard;
+    mState.mExecutable->mEnablesPerSampleShading = fragmentExecutable.mEnablesPerSampleShading;
+}
+
+void ProgramPipeline::updateLinkedVaryings()
+{
+    // Need to check all of the shader stages, not just linked, so we handle Compute correctly.
+    for (const gl::ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        const Program *shaderProgram = getShaderProgram(shaderType);
+        if (shaderProgram && shaderProgram->isLinked())
+        {
+            const ProgramExecutable &executable = shaderProgram->getExecutable();
+            mState.mExecutable->mLinkedOutputVaryings[shaderType] =
+                executable.getLinkedOutputVaryings(shaderType);
+            mState.mExecutable->mLinkedInputVaryings[shaderType] =
+                executable.getLinkedInputVaryings(shaderType);
+        }
+    }
+
+    const Program *computeProgram = getShaderProgram(ShaderType::Compute);
+    if (computeProgram && computeProgram->isLinked())
+    {
+        const ProgramExecutable &executable = computeProgram->getExecutable();
+        mState.mExecutable->mLinkedOutputVaryings[ShaderType::Compute] =
+            executable.getLinkedOutputVaryings(ShaderType::Compute);
+        mState.mExecutable->mLinkedInputVaryings[ShaderType::Compute] =
+            executable.getLinkedInputVaryings(ShaderType::Compute);
+    }
+}
+
+void ProgramPipeline::updateExecutable()
+{
+    // Vertex Shader ProgramExecutable properties
+    updateExecutableAttributes();
+    updateTransformFeedbackMembers();
+    updateShaderStorageBlocks();
+    updateImageBindings();
+
+    // Geometry Shader ProgramExecutable properties
+    updateExecutableGeometryProperties();
+
+    // Tessellation Shaders ProgramExecutable properties
+    updateExecutableTessellationProperties();
+
+    // Fragment Shader ProgramExecutable properties
+    updateFragmentInoutRangeAndEnablesPerSampleShading();
+
+    // All Shader ProgramExecutable properties
+    mState.updateExecutableTextures();
+    updateLinkedVaryings();
+}
+
+// The attached shaders are checked for linking errors by matching up their variables.
+// Uniform, input and output variables get collected.
+// The code gets compiled into binaries.
+angle::Result ProgramPipeline::link(const Context *context)
+{
+    ASSERT(!mState.mIsLinked);
+
+    ProgramMergedVaryings mergedVaryings;
+    ProgramVaryingPacking varyingPacking;
+    LinkingVariables linkingVariables(mState);
+
+    mState.mExecutable->reset(true);
+
+    InfoLog &infoLog = mState.mExecutable->getInfoLog();
+    infoLog.reset();
+
+    // Build shader variable uniforms map for gl::UniformLinker.
+    ShaderMap<std::vector<sh::ShaderVariable>> shaderUniforms;
+    for (ShaderType shaderType : mState.mExecutable->mLinkedShaderStages)
+    {
+        for (const LinkedUniform &uniform : mState.mPrograms[shaderType]->getUniforms())
+        {
+            shaderUniforms[shaderType].push_back(uniform);
+        }
+    }
+
+    if (mState.mExecutable->hasLinkedShaderStage(gl::ShaderType::Vertex))
+    {
+        if (!linkVaryings(infoLog))
+        {
+            return angle::Result::Stop;
+        }
+
+        if (!LinkValidateProgramGlobalNames(infoLog, getExecutable(), linkingVariables))
+        {
+            return angle::Result::Stop;
+        }
+
+        Program *fragmentShaderProgram = getShaderProgram(ShaderType::Fragment);
+        if (fragmentShaderProgram)
+        {
+            // We should also be validating SSBO and image uniform counts.
+            const GLuint combinedImageUniforms          = 0;
+            const GLuint combinedShaderStorageBlocks    = 0;
+            const ProgramExecutable &fragmentExecutable = fragmentShaderProgram->getExecutable();
+            if (!mState.mExecutable->linkValidateOutputVariables(
+                    context->getCaps(), context->getExtensions(), context->getClientVersion(),
+                    combinedImageUniforms, combinedShaderStorageBlocks,
+                    fragmentExecutable.getOutputVariables(),
+                    fragmentExecutable.getLinkedShaderVersion(ShaderType::Fragment),
+                    ProgramAliasedBindings(), ProgramAliasedBindings()))
+            {
+                return angle::Result::Continue;
+            }
+        }
+        mergedVaryings = GetMergedVaryingsFromLinkingVariables(linkingVariables);
+        // If separable program objects are in use, the set of attributes captured is taken
+        // from the program object active on the last vertex processing stage.
+        ShaderType lastVertexProcessingStage =
+            gl::GetLastPreFragmentStage(getExecutable().getLinkedShaderStages());
+        if (lastVertexProcessingStage == ShaderType::InvalidEnum)
+        {
+            //  If there is no active program for the vertex or fragment shader stages, the results
+            //  of vertex and fragment shader execution will respectively be undefined. However,
+            //  this is not an error.
+            return angle::Result::Continue;
+        }
+
+        Program *tfProgram = getShaderProgram(lastVertexProcessingStage);
+        ASSERT(tfProgram);
+
+        if (!tfProgram)
+        {
+            tfProgram = mState.mPrograms[ShaderType::Vertex];
+        }
+
+        const std::vector<std::string> &transformFeedbackVaryingNames =
+            tfProgram->getState().getTransformFeedbackVaryingNames();
+
+        if (!mState.mExecutable->linkMergedVaryings(context, mergedVaryings,
+                                                    transformFeedbackVaryingNames, linkingVariables,
+                                                    false, &varyingPacking))
+        {
+            return angle::Result::Stop;
+        }
+    }
+
+    // Merge uniforms.
+    mState.mExecutable->copyUniformsFromProgramMap(mState.mPrograms);
+
+    if (mState.mExecutable->hasLinkedShaderStage(gl::ShaderType::Vertex))
+    {
+        const ProgramState &programState = mState.mPrograms[gl::ShaderType::Vertex]->getState();
+        mState.mExecutable->copyInputsFromProgram(programState);
+    }
+
+    // Merge shader buffers (UBOs, SSBOs, and atomic counter buffers) into the executable.
+    // Also copy over image and sampler bindings.
+    for (ShaderType shaderType : mState.mExecutable->getLinkedShaderStages())
+    {
+        const ProgramState &programState = mState.mPrograms[shaderType]->getState();
+        mState.mExecutable->copyShaderBuffersFromProgram(programState, shaderType);
+        mState.mExecutable->copySamplerBindingsFromProgram(programState);
+        mState.mExecutable->copyImageBindingsFromProgram(programState);
+    }
+
+    if (mState.mExecutable->hasLinkedShaderStage(gl::ShaderType::Fragment))
+    {
+        const ProgramState &programState = mState.mPrograms[gl::ShaderType::Fragment]->getState();
+        mState.mExecutable->copyOutputsFromProgram(programState);
+    }
+
+    if (mState.mExecutable->hasLinkedShaderStage(gl::ShaderType::Vertex) ||
+        mState.mExecutable->hasLinkedShaderStage(gl::ShaderType::Compute))
+    {
+        ANGLE_TRY(getImplementation()->link(context, mergedVaryings, varyingPacking));
+    }
+
+    mState.mExecutable->mActiveSamplerRefCounts.fill(0);
+    updateExecutable();
+
+    mState.mIsLinked = true;
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+bool ProgramPipeline::linkVaryings(InfoLog &infoLog) const
+{
+    ShaderType previousShaderType = ShaderType::InvalidEnum;
+    for (ShaderType shaderType : kAllGraphicsShaderTypes)
+    {
+        Program *program = getShaderProgram(shaderType);
+        if (!program)
+        {
+            continue;
+        }
+        ProgramExecutable &executable = program->getExecutable();
+
+        if (previousShaderType != ShaderType::InvalidEnum)
+        {
+            Program *previousProgram = getShaderProgram(previousShaderType);
+            ASSERT(previousProgram);
+            const ProgramExecutable &previousExecutable = previousProgram->getExecutable();
+
+            if (!LinkValidateShaderInterfaceMatching(
+                    previousExecutable.getLinkedOutputVaryings(previousShaderType),
+                    executable.getLinkedInputVaryings(shaderType), previousShaderType, shaderType,
+                    previousExecutable.getLinkedShaderVersion(previousShaderType),
+                    executable.getLinkedShaderVersion(shaderType), true, infoLog))
+            {
+                return false;
+            }
+        }
+        previousShaderType = shaderType;
+    }
+
+    // TODO: http://anglebug.com/3571 and http://anglebug.com/3572
+    // Need to move logic of validating builtin varyings inside the for-loop above.
+    // This is because the built-in symbols `gl_ClipDistance` and `gl_CullDistance`
+    // can be redeclared in Geometry or Tessellation shaders as well.
+    Program *vertexProgram   = mState.mPrograms[ShaderType::Vertex];
+    Program *fragmentProgram = mState.mPrograms[ShaderType::Fragment];
+    if (!vertexProgram || !fragmentProgram)
+    {
+        return true;
+    }
+    ProgramExecutable &vertexExecutable   = vertexProgram->getExecutable();
+    ProgramExecutable &fragmentExecutable = fragmentProgram->getExecutable();
+    return LinkValidateBuiltInVaryings(
+        vertexExecutable.getLinkedOutputVaryings(ShaderType::Vertex),
+        fragmentExecutable.getLinkedInputVaryings(ShaderType::Fragment), ShaderType::Vertex,
+        ShaderType::Fragment, vertexExecutable.getLinkedShaderVersion(ShaderType::Vertex),
+        fragmentExecutable.getLinkedShaderVersion(ShaderType::Fragment), infoLog);
+}
+
+void ProgramPipeline::validate(const gl::Context *context)
+{
+    const Caps &caps = context->getCaps();
+    mState.mValid    = true;
+    InfoLog &infoLog = mState.mExecutable->getInfoLog();
+    infoLog.reset();
+
+    for (const ShaderType shaderType : mState.mExecutable->getLinkedShaderStages())
+    {
+        Program *shaderProgram = mState.mPrograms[shaderType];
+        if (shaderProgram)
+        {
+            shaderProgram->resolveLink(context);
+            shaderProgram->validate(caps);
+            std::string shaderInfoString = shaderProgram->getExecutable().getInfoLogString();
+            if (shaderInfoString.length())
+            {
+                mState.mValid = false;
+                infoLog << shaderInfoString << "\n";
+                return;
+            }
+            if (!shaderProgram->isSeparable())
+            {
+                mState.mValid = false;
+                infoLog << GetShaderTypeString(shaderType) << " is not marked separable."
+                        << "\n";
+                return;
+            }
+        }
+    }
+
+    intptr_t programPipelineError = context->getStateCache().getProgramPipelineError(context);
+    if (programPipelineError)
+    {
+        mState.mValid            = false;
+        const char *errorMessage = reinterpret_cast<const char *>(programPipelineError);
+        infoLog << errorMessage << "\n";
+        return;
+    }
+
+    if (!linkVaryings(infoLog))
+    {
+        mState.mValid = false;
+
+        for (const ShaderType shaderType : mState.mExecutable->getLinkedShaderStages())
+        {
+            Program *shaderProgram = mState.mPrograms[shaderType];
+            ASSERT(shaderProgram);
+            shaderProgram->validate(caps);
+            std::string shaderInfoString = shaderProgram->getExecutable().getInfoLogString();
+            if (shaderInfoString.length())
+            {
+                infoLog << shaderInfoString << "\n";
+            }
+        }
+    }
+}
+
+void ProgramPipeline::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    switch (message)
+    {
+        case angle::SubjectMessage::ProgramTextureOrImageBindingChanged:
+            mState.mExecutable->mActiveSamplerRefCounts.fill(0);
+            mState.updateExecutableTextures();
+            break;
+
+        case angle::SubjectMessage::ProgramRelinked:
+            mState.mIsLinked = false;
+            onStateChange(angle::SubjectMessage::ProgramRelinked);
+            break;
+        case angle::SubjectMessage::SamplerUniformsUpdated:
+            mState.mExecutable->clearSamplerBindings();
+            for (ShaderType shaderType : mState.mExecutable->getLinkedShaderStages())
+            {
+                const ProgramState &programState = mState.mPrograms[shaderType]->getState();
+                mState.mExecutable->copySamplerBindingsFromProgram(programState);
+            }
+            mState.mExecutable->mActiveSamplerRefCounts.fill(0);
+            mState.updateExecutableTextures();
+            break;
+        case angle::SubjectMessage::ProgramUniformUpdated:
+            mProgramPipelineImpl->onProgramUniformUpdate(static_cast<ShaderType>(index));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/ProgramPipeline.h b/gfx/angle/checkout/src/libANGLE/ProgramPipeline.h
new file mode 100644
index 0000000000..4b394ca3e7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ProgramPipeline.h
@@ -0,0 +1,176 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramPipeline.h: Defines the gl::ProgramPipeline class.
+// Implements GL program pipeline objects and related functionality.
+// [OpenGL ES 3.1] section 7.4 page 105.
+
+#ifndef LIBANGLE_PROGRAMPIPELINE_H_
+#define LIBANGLE_PROGRAMPIPELINE_H_
+
+#include <memory>
+
+#include "common/angleutils.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ProgramExecutable.h"
+#include "libANGLE/RefCountObject.h"
+
+namespace rx
+{
+class GLImplFactory;
+class ProgramPipelineImpl;
+}  // namespace rx
+
+namespace gl
+{
+class Context;
+class ProgramPipeline;
+
+class ProgramPipelineState final : angle::NonCopyable
+{
+  public:
+    ProgramPipelineState();
+    ~ProgramPipelineState();
+
+    const std::string &getLabel() const;
+
+    ProgramExecutable &getExecutable() const
+    {
+        ASSERT(mExecutable);
+        return *mExecutable;
+    }
+
+    void activeShaderProgram(Program *shaderProgram);
+    void useProgramStages(const Context *context,
+                          const gl::ShaderBitSet &shaderTypes,
+                          Program *shaderProgram,
+                          std::vector<angle::ObserverBinding> *programObserverBindings);
+
+    Program *getActiveShaderProgram() { return mActiveShaderProgram; }
+
+    GLboolean isValid() const { return mValid; }
+
+    const Program *getShaderProgram(ShaderType shaderType) const { return mPrograms[shaderType]; }
+
+    bool usesShaderProgram(ShaderProgramID program) const;
+
+    void updateExecutableTextures();
+
+    rx::SpecConstUsageBits getSpecConstUsageBits() const;
+
+  private:
+    void useProgramStage(const Context *context,
+                         ShaderType shaderType,
+                         Program *shaderProgram,
+                         angle::ObserverBinding *programObserverBindings);
+
+    friend class ProgramPipeline;
+
+    std::string mLabel;
+
+    // The active shader program
+    Program *mActiveShaderProgram;
+    // The shader programs for each stage.
+    ShaderMap<Program *> mPrograms;
+
+    GLboolean mValid;
+
+    ProgramExecutable *mExecutable;
+
+    bool mIsLinked;
+};
+
+class ProgramPipeline final : public RefCountObject<ProgramPipelineID>,
+                              public LabeledObject,
+                              public angle::ObserverInterface,
+                              public angle::Subject
+{
+  public:
+    ProgramPipeline(rx::GLImplFactory *factory, ProgramPipelineID handle);
+    ~ProgramPipeline() override;
+
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    const ProgramPipelineState &getState() const { return mState; }
+    ProgramPipelineState &getState() { return mState; }
+
+    ProgramExecutable &getExecutable() const { return mState.getExecutable(); }
+
+    rx::ProgramPipelineImpl *getImplementation() const;
+
+    Program *getActiveShaderProgram() { return mState.getActiveShaderProgram(); }
+    void activeShaderProgram(Program *shaderProgram);
+    Program *getLinkedActiveShaderProgram(const Context *context)
+    {
+        Program *program = mState.getActiveShaderProgram();
+        if (program)
+        {
+            program->resolveLink(context);
+        }
+        return program;
+    }
+
+    angle::Result useProgramStages(const Context *context,
+                                   GLbitfield stages,
+                                   Program *shaderProgram);
+
+    Program *getShaderProgram(ShaderType shaderType) const { return mState.mPrograms[shaderType]; }
+
+    void resetIsLinked() { mState.mIsLinked = false; }
+    angle::Result link(const gl::Context *context);
+
+    // Ensure program pipeline is linked. Inlined to make sure its overhead is as low as possible.
+    void resolveLink(const Context *context)
+    {
+        if (mState.mIsLinked)
+        {
+            // Already linked, nothing to do.
+            return;
+        }
+
+        angle::Result linkResult = link(context);
+        if (linkResult != angle::Result::Continue)
+        {
+            // If the link failed then log a warning, swallow the error and move on.
+            WARN() << "ProgramPipeline link failed" << std::endl;
+        }
+        return;
+    }
+
+    void validate(const gl::Context *context);
+    GLboolean isValid() const { return mState.isValid(); }
+    bool isLinked() const { return mState.mIsLinked; }
+
+    // ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+  private:
+    bool linkVaryings(InfoLog &infoLog) const;
+    void updateLinkedShaderStages();
+    void updateExecutableAttributes();
+    void updateTransformFeedbackMembers();
+    void updateShaderStorageBlocks();
+    void updateImageBindings();
+    void updateExecutableGeometryProperties();
+    void updateExecutableTessellationProperties();
+    void updateFragmentInoutRangeAndEnablesPerSampleShading();
+    void updateLinkedVaryings();
+    void updateExecutable();
+
+    std::unique_ptr<rx::ProgramPipelineImpl> mProgramPipelineImpl;
+
+    ProgramPipelineState mState;
+
+    std::vector<angle::ObserverBinding> mProgramObserverBindings;
+    angle::ObserverBinding mExecutableObserverBinding;
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_PROGRAMPIPELINE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Query.cpp b/gfx/angle/checkout/src/libANGLE/Query.cpp
new file mode 100644
index 0000000000..1e56221077
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Query.cpp
@@ -0,0 +1,96 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Query.cpp: Implements the gl::Query class
+
+#include "libANGLE/Query.h"
+
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/QueryImpl.h"
+
+namespace gl
+{
+Query::Query(rx::GLImplFactory *factory, QueryType type, QueryID id)
+    : RefCountObject(factory->generateSerial(), id), mQuery(factory->createQuery(type)), mLabel()
+{}
+
+Query::~Query()
+{
+    SafeDelete(mQuery);
+}
+
+void Query::onDestroy(const Context *context)
+{
+    ASSERT(mQuery);
+    mQuery->onDestroy(context);
+}
+
+angle::Result Query::setLabel(const Context *context, const std::string &label)
+{
+    mLabel = label;
+
+    if (mQuery)
+    {
+        return mQuery->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &Query::getLabel() const
+{
+    return mLabel;
+}
+
+angle::Result Query::begin(const Context *context)
+{
+    return mQuery->begin(context);
+}
+
+angle::Result Query::end(const Context *context)
+{
+    return mQuery->end(context);
+}
+
+angle::Result Query::queryCounter(const Context *context)
+{
+    return mQuery->queryCounter(context);
+}
+
+angle::Result Query::getResult(const Context *context, GLint *params)
+{
+    return mQuery->getResult(context, params);
+}
+
+angle::Result Query::getResult(const Context *context, GLuint *params)
+{
+    return mQuery->getResult(context, params);
+}
+
+angle::Result Query::getResult(const Context *context, GLint64 *params)
+{
+    return mQuery->getResult(context, params);
+}
+
+angle::Result Query::getResult(const Context *context, GLuint64 *params)
+{
+    return mQuery->getResult(context, params);
+}
+
+angle::Result Query::isResultAvailable(const Context *context, bool *available)
+{
+    return mQuery->isResultAvailable(context, available);
+}
+
+QueryType Query::getType() const
+{
+    return mQuery->getType();
+}
+
+rx::QueryImpl *Query::getImplementation() const
+{
+    return mQuery;
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Query.h b/gfx/angle/checkout/src/libANGLE/Query.h
new file mode 100644
index 0000000000..8d8692b5e8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Query.h
@@ -0,0 +1,60 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Query.h: Defines the gl::Query class
+
+#ifndef LIBANGLE_QUERY_H_
+#define LIBANGLE_QUERY_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+#include "common/angleutils.h"
+
+#include "angle_gl.h"
+
+namespace rx
+{
+class GLImplFactory;
+class QueryImpl;
+}  // namespace rx
+
+namespace gl
+{
+
+class Query final : public RefCountObject<QueryID>, public LabeledObject
+{
+  public:
+    Query(rx::GLImplFactory *factory, QueryType type, QueryID id);
+    ~Query() override;
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    angle::Result begin(const Context *context);
+    angle::Result end(const Context *context);
+    angle::Result queryCounter(const Context *context);
+    angle::Result getResult(const Context *context, GLint *params);
+    angle::Result getResult(const Context *context, GLuint *params);
+    angle::Result getResult(const Context *context, GLint64 *params);
+    angle::Result getResult(const Context *context, GLuint64 *params);
+    angle::Result isResultAvailable(const Context *context, bool *available);
+
+    QueryType getType() const;
+
+    rx::QueryImpl *getImplementation() const;
+
+  private:
+    rx::QueryImpl *mQuery;
+
+    std::string mLabel;
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_QUERY_H_
diff --git a/gfx/angle/checkout/src/libANGLE/RefCountObject.h b/gfx/angle/checkout/src/libANGLE/RefCountObject.h
new file mode 100644
index 0000000000..f19b8c434a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/RefCountObject.h
@@ -0,0 +1,327 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RefCountObject.h: Defines the gl::RefCountObject base class that provides
+// lifecycle support for GL objects using the traditional BindObject scheme, but
+// that need to be reference counted for correct cross-context deletion.
+// (Concretely, textures, buffers and renderbuffers.)
+
+#ifndef LIBANGLE_REFCOUNTOBJECT_H_
+#define LIBANGLE_REFCOUNTOBJECT_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/renderer/serial_utils.h"
+
+#include <cstddef>
+
+namespace angle
+{
+
+template <typename ContextT, typename ErrorT>
+class RefCountObject : angle::NonCopyable
+{
+  public:
+    using ContextType = ContextT;
+    using ErrorType   = ErrorT;
+
+    RefCountObject() : mRefCount(0) {}
+
+    virtual void onDestroy(const ContextType *context) {}
+
+    void addRef() const { ++mRefCount; }
+
+    ANGLE_INLINE void release(const ContextType *context)
+    {
+        ASSERT(mRefCount > 0);
+        if (--mRefCount == 0)
+        {
+            onDestroy(context);
+            delete this;
+        }
+    }
+
+    size_t getRefCount() const { return mRefCount; }
+
+  protected:
+    virtual ~RefCountObject() { ASSERT(mRefCount == 0); }
+
+    mutable size_t mRefCount;
+};
+
+template <class ObjectType, typename ContextT, typename ErrorT = angle::Result>
+class RefCountObjectReleaser : angle::NonCopyable
+{
+  public:
+    using ContextType = ContextT;
+    using ErrorType   = ErrorT;
+
+    RefCountObjectReleaser() {}
+    RefCountObjectReleaser(const ContextType *context, ObjectType *object)
+        : mContext(context), mObject(object)
+    {}
+
+    RefCountObjectReleaser(RefCountObjectReleaser &&other)
+        : mContext(other.mContext), mObject(other.mObject)
+    {
+        other.mContext = nullptr;
+        other.mObject  = nullptr;
+    }
+
+    RefCountObjectReleaser &operator=(RefCountObjectReleaser &&other)
+    {
+        mContext = other.mContext;
+        mObject  = other.mObject;
+
+        other.mContext = nullptr;
+        other.mObject  = nullptr;
+
+        return *this;
+    }
+
+    ~RefCountObjectReleaser()
+    {
+        if (mObject)
+        {
+            reinterpret_cast<RefCountObject<ContextType, ErrorType> *>(mObject)->release(mContext);
+            mObject = nullptr;
+        }
+    }
+
+  private:
+    const ContextType *mContext = nullptr;
+    ObjectType *mObject         = nullptr;
+};
+
+template <class ObjectType, typename ContextT, typename ErrorT = angle::Result>
+class BindingPointer
+{
+  public:
+    using ContextType = ContextT;
+    using ErrorType   = ErrorT;
+
+    BindingPointer() : mObject(nullptr) {}
+
+    BindingPointer(ObjectType *object) : mObject(object)
+    {
+        if (mObject)
+        {
+            mObject->addRef();
+        }
+    }
+
+    BindingPointer(const BindingPointer &other) : mObject(other.mObject)
+    {
+        if (mObject)
+        {
+            mObject->addRef();
+        }
+    }
+
+    BindingPointer &operator=(BindingPointer &&other)
+    {
+        std::swap(mObject, other.mObject);
+        return *this;
+    }
+
+    virtual ~BindingPointer()
+    {
+        // Objects have to be released before the resource manager is destroyed, so they must be
+        // explicitly cleaned up.
+        ASSERT(mObject == nullptr);
+    }
+
+    RefCountObjectReleaser<ObjectType, ContextType, ErrorT> set(const ContextType *context,
+                                                                ObjectType *newObject)
+    {
+        // addRef first in case newObject == mObject and this is the last reference to it.
+        if (newObject != nullptr)
+        {
+            reinterpret_cast<RefCountObject<ContextType, ErrorType> *>(newObject)->addRef();
+        }
+
+        // Store the old pointer in a temporary so we can set the pointer before calling release.
+        // Otherwise the object could still be referenced when its destructor is called.
+        ObjectType *oldObject = mObject;
+        mObject               = newObject;
+        return RefCountObjectReleaser<ObjectType, ContextType, ErrorT>(context, oldObject);
+    }
+
+    void assign(ObjectType *object) { mObject = object; }
+
+    ObjectType *get() const { return mObject; }
+    ObjectType *operator->() const { return mObject; }
+
+    bool operator==(const BindingPointer &other) const { return mObject == other.mObject; }
+
+    bool operator!=(const BindingPointer &other) const { return !(*this == other); }
+
+  protected:
+    ANGLE_INLINE void setImpl(ObjectType *obj) { mObject = obj; }
+
+  private:
+    ObjectType *mObject;
+};
+}  // namespace angle
+
+namespace gl
+{
+class Context;
+
+template <class ObjectType>
+class BindingPointer;
+
+using RefCountObjectNoID = angle::RefCountObject<Context, angle::Result>;
+
+template <typename IDType>
+class RefCountObject : public gl::RefCountObjectNoID
+{
+  public:
+    explicit RefCountObject(rx::Serial serial, IDType id) : mSerial(serial), mId(id) {}
+
+    rx::Serial serial() const { return mSerial; }
+    IDType id() const { return mId; }
+
+  protected:
+    ~RefCountObject() override {}
+
+  private:
+    // Unique serials are used to identify resources for frame capture.
+    rx::Serial mSerial;
+    IDType mId;
+};
+
+template <class ObjectType>
+class BindingPointer : public angle::BindingPointer<ObjectType, Context>
+{
+  public:
+    using ContextType = typename angle::BindingPointer<ObjectType, Context>::ContextType;
+    using ErrorType   = typename angle::BindingPointer<ObjectType, Context>::ErrorType;
+
+    BindingPointer() {}
+
+    BindingPointer(ObjectType *object) : angle::BindingPointer<ObjectType, Context>(object) {}
+
+    typename ResourceTypeToID<ObjectType>::IDType id() const
+    {
+        ObjectType *obj = this->get();
+        if (obj)
+            return obj->id();
+        return {0};
+    }
+};
+
+template <class ObjectType>
+class OffsetBindingPointer : public BindingPointer<ObjectType>
+{
+  public:
+    using ContextType = typename BindingPointer<ObjectType>::ContextType;
+    using ErrorType   = typename BindingPointer<ObjectType>::ErrorType;
+
+    OffsetBindingPointer() : mOffset(0), mSize(0) {}
+
+    void set(const ContextType *context, ObjectType *newObject, GLintptr offset, GLsizeiptr size)
+    {
+        set(context, newObject);
+        updateOffsetAndSize(newObject, offset, size);
+    }
+
+    GLintptr getOffset() const { return mOffset; }
+    GLsizeiptr getSize() const { return mSize; }
+
+    bool operator==(const OffsetBindingPointer<ObjectType> &other) const
+    {
+        return this->get() == other.get() && mOffset == other.mOffset && mSize == other.mSize;
+    }
+
+    bool operator!=(const OffsetBindingPointer<ObjectType> &other) const
+    {
+        return !(*this == other);
+    }
+
+    void assign(ObjectType *newObject, GLintptr offset, GLsizeiptr size)
+    {
+        assign(newObject);
+        updateOffsetAndSize(newObject, offset, size);
+    }
+
+  private:
+    ANGLE_INLINE void updateOffsetAndSize(ObjectType *newObject, GLintptr offset, GLsizeiptr size)
+    {
+        if (newObject)
+        {
+            mOffset = offset;
+            mSize   = size;
+        }
+        else
+        {
+            mOffset = 0;
+            mSize   = 0;
+        }
+    }
+
+    // Delete the unparameterized functions. This forces an explicit offset and size.
+    using BindingPointer<ObjectType>::set;
+    using BindingPointer<ObjectType>::assign;
+
+    GLintptr mOffset;
+    GLsizeiptr mSize;
+};
+
+template <typename SubjectT>
+class SubjectBindingPointer : protected BindingPointer<SubjectT>, public angle::ObserverBindingBase
+{
+  public:
+    SubjectBindingPointer(angle::ObserverInterface *observer, angle::SubjectIndex index)
+        : ObserverBindingBase(observer, index)
+    {}
+    ~SubjectBindingPointer() override {}
+    SubjectBindingPointer(const SubjectBindingPointer &other) = default;
+    SubjectBindingPointer &operator=(const SubjectBindingPointer &other) = default;
+
+    void bind(const Context *context, SubjectT *subject)
+    {
+        // AddRef first in case subject == get()
+        if (subject)
+        {
+            subject->addObserver(this);
+            subject->addRef();
+        }
+
+        if (get())
+        {
+            get()->removeObserver(this);
+            get()->release(context);
+        }
+
+        this->setImpl(subject);
+    }
+
+    using BindingPointer<SubjectT>::get;
+    using BindingPointer<SubjectT>::operator->;
+
+    friend class State;
+};
+}  // namespace gl
+
+namespace egl
+{
+class Display;
+
+using RefCountObject = angle::RefCountObject<Display, Error>;
+
+template <class ObjectType>
+using RefCountObjectReleaser = angle::RefCountObjectReleaser<ObjectType, Display, Error>;
+
+template <class ObjectType>
+using BindingPointer = angle::BindingPointer<ObjectType, Display, Error>;
+
+}  // namespace egl
+
+#endif  // LIBANGLE_REFCOUNTOBJECT_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Renderbuffer.cpp b/gfx/angle/checkout/src/libANGLE/Renderbuffer.cpp
new file mode 100644
index 0000000000..ce2445c31e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Renderbuffer.cpp
@@ -0,0 +1,423 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Renderbuffer.cpp: Implements the renderer-agnostic gl::Renderbuffer class,
+// GL renderbuffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 4.4.3 page 108.
+
+#include "libANGLE/Renderbuffer.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+
+namespace gl
+{
+namespace
+{
+angle::SubjectIndex kRenderbufferImplSubjectIndex = 0;
+
+InitState DetermineInitState(const Context *context)
+{
+    return (context && context->isRobustResourceInitEnabled()) ? InitState::MayNeedInit
+                                                               : InitState::Initialized;
+}
+}  // namespace
+
+// RenderbufferState implementation.
+RenderbufferState::RenderbufferState()
+    : mWidth(0),
+      mHeight(0),
+      mFormat(GL_RGBA4),
+      mSamples(0),
+      mMultisamplingMode(MultisamplingMode::Regular),
+      mHasProtectedContent(false),
+      mInitState(InitState::Initialized)
+{}
+
+RenderbufferState::~RenderbufferState() {}
+
+GLsizei RenderbufferState::getWidth() const
+{
+    return mWidth;
+}
+
+GLsizei RenderbufferState::getHeight() const
+{
+    return mHeight;
+}
+
+const Format &RenderbufferState::getFormat() const
+{
+    return mFormat;
+}
+
+GLsizei RenderbufferState::getSamples() const
+{
+    return mSamples;
+}
+
+MultisamplingMode RenderbufferState::getMultisamplingMode() const
+{
+    return mMultisamplingMode;
+}
+
+InitState RenderbufferState::getInitState() const
+{
+    return mInitState;
+}
+
+void RenderbufferState::update(GLsizei width,
+                               GLsizei height,
+                               const Format &format,
+                               GLsizei samples,
+                               MultisamplingMode multisamplingMode,
+                               InitState initState)
+{
+    mWidth               = width;
+    mHeight              = height;
+    mFormat              = format;
+    mSamples             = samples;
+    mMultisamplingMode   = multisamplingMode;
+    mInitState           = initState;
+    mHasProtectedContent = false;
+}
+
+void RenderbufferState::setProtectedContent(bool hasProtectedContent)
+{
+    mHasProtectedContent = hasProtectedContent;
+}
+
+// Renderbuffer implementation.
+Renderbuffer::Renderbuffer(rx::GLImplFactory *implFactory, RenderbufferID id)
+    : RefCountObject(implFactory->generateSerial(), id),
+      mState(),
+      mImplementation(implFactory->createRenderbuffer(mState)),
+      mLabel(),
+      mImplObserverBinding(this, kRenderbufferImplSubjectIndex)
+{
+    mImplObserverBinding.bind(mImplementation.get());
+}
+
+void Renderbuffer::onDestroy(const Context *context)
+{
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    (void)orphanImages(context, &releaseImage);
+
+    if (mImplementation)
+    {
+        mImplementation->onDestroy(context);
+    }
+}
+
+Renderbuffer::~Renderbuffer() {}
+
+angle::Result Renderbuffer::setLabel(const Context *context, const std::string &label)
+{
+    mLabel = label;
+
+    if (mImplementation)
+    {
+        return mImplementation->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &Renderbuffer::getLabel() const
+{
+    return mLabel;
+}
+
+angle::Result Renderbuffer::setStorage(const Context *context,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height)
+{
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ANGLE_TRY(mImplementation->setStorage(context, internalformat, width, height));
+
+    mState.update(width, height, Format(internalformat), 0, MultisamplingMode::Regular,
+                  DetermineInitState(context));
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderbuffer::setStorageMultisample(const Context *context,
+                                                  GLsizei samplesIn,
+                                                  GLenum internalformat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  MultisamplingMode mode)
+{
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    // Potentially adjust "samplesIn" to a supported value
+    const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat);
+    GLsizei samples               = formatCaps.getNearestSamples(samplesIn);
+
+    ANGLE_TRY(mImplementation->setStorageMultisample(context, samples, internalformat, width,
+                                                     height, mode));
+
+    mState.update(width, height, Format(internalformat), samples, mode,
+                  DetermineInitState(context));
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderbuffer::setStorageEGLImageTarget(const Context *context, egl::Image *image)
+{
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ANGLE_TRY(mImplementation->setStorageEGLImageTarget(context, image));
+
+    setTargetImage(context, image);
+
+    mState.update(static_cast<GLsizei>(image->getWidth()), static_cast<GLsizei>(image->getHeight()),
+                  Format(image->getFormat()), 0, MultisamplingMode::Regular,
+                  image->sourceInitState());
+    mState.setProtectedContent(image->hasProtectedContent());
+
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderbuffer::copyRenderbufferSubData(Context *context,
+                                                    const gl::Renderbuffer *srcBuffer,
+                                                    GLint srcLevel,
+                                                    GLint srcX,
+                                                    GLint srcY,
+                                                    GLint srcZ,
+                                                    GLint dstLevel,
+                                                    GLint dstX,
+                                                    GLint dstY,
+                                                    GLint dstZ,
+                                                    GLsizei srcWidth,
+                                                    GLsizei srcHeight,
+                                                    GLsizei srcDepth)
+{
+    ANGLE_TRY(mImplementation->copyRenderbufferSubData(context, srcBuffer, srcLevel, srcX, srcY,
+                                                       srcZ, dstLevel, dstX, dstY, dstZ, srcWidth,
+                                                       srcHeight, srcDepth));
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderbuffer::copyTextureSubData(Context *context,
+                                               const gl::Texture *srcTexture,
+                                               GLint srcLevel,
+                                               GLint srcX,
+                                               GLint srcY,
+                                               GLint srcZ,
+                                               GLint dstLevel,
+                                               GLint dstX,
+                                               GLint dstY,
+                                               GLint dstZ,
+                                               GLsizei srcWidth,
+                                               GLsizei srcHeight,
+                                               GLsizei srcDepth)
+{
+    ANGLE_TRY(mImplementation->copyTextureSubData(context, srcTexture, srcLevel, srcX, srcY, srcZ,
+                                                  dstLevel, dstX, dstY, dstZ, srcWidth, srcHeight,
+                                                  srcDepth));
+
+    return angle::Result::Continue;
+}
+
+rx::RenderbufferImpl *Renderbuffer::getImplementation() const
+{
+    ASSERT(mImplementation);
+    return mImplementation.get();
+}
+
+GLsizei Renderbuffer::getWidth() const
+{
+    return mState.mWidth;
+}
+
+GLsizei Renderbuffer::getHeight() const
+{
+    return mState.mHeight;
+}
+
+const Format &Renderbuffer::getFormat() const
+{
+    return mState.mFormat;
+}
+
+GLsizei Renderbuffer::getSamples() const
+{
+    return mState.mMultisamplingMode == MultisamplingMode::Regular ? mState.mSamples : 0;
+}
+
+MultisamplingMode Renderbuffer::getMultisamplingMode() const
+{
+    return mState.mMultisamplingMode;
+}
+
+GLuint Renderbuffer::getRedSize() const
+{
+    return mState.mFormat.info->redBits;
+}
+
+GLuint Renderbuffer::getGreenSize() const
+{
+    return mState.mFormat.info->greenBits;
+}
+
+GLuint Renderbuffer::getBlueSize() const
+{
+    return mState.mFormat.info->blueBits;
+}
+
+GLuint Renderbuffer::getAlphaSize() const
+{
+    return mState.mFormat.info->alphaBits;
+}
+
+GLuint Renderbuffer::getDepthSize() const
+{
+    return mState.mFormat.info->depthBits;
+}
+
+GLuint Renderbuffer::getStencilSize() const
+{
+    return mState.mFormat.info->stencilBits;
+}
+
+const RenderbufferState &Renderbuffer::getState() const
+{
+    return mState;
+}
+
+GLint Renderbuffer::getMemorySize() const
+{
+    GLint implSize = mImplementation->getMemorySize();
+    if (implSize > 0)
+    {
+        return implSize;
+    }
+
+    // Assume allocated size is around width * height * samples * pixelBytes
+    angle::CheckedNumeric<GLint> size = 1;
+    size *= mState.mFormat.info->pixelBytes;
+    size *= mState.mWidth;
+    size *= mState.mHeight;
+    size *= std::max(mState.mSamples, 1);
+    return size.ValueOrDefault(std::numeric_limits<GLint>::max());
+}
+
+void Renderbuffer::onAttach(const Context *context, rx::Serial framebufferSerial)
+{
+    addRef();
+}
+
+void Renderbuffer::onDetach(const Context *context, rx::Serial framebufferSerial)
+{
+    release(context);
+}
+
+GLuint Renderbuffer::getId() const
+{
+    return id().value;
+}
+
+Extents Renderbuffer::getAttachmentSize(const gl::ImageIndex & /*imageIndex*/) const
+{
+    return Extents(mState.mWidth, mState.mHeight, 1);
+}
+
+Format Renderbuffer::getAttachmentFormat(GLenum /*binding*/,
+                                         const ImageIndex & /*imageIndex*/) const
+{
+    return getFormat();
+}
+GLsizei Renderbuffer::getAttachmentSamples(const ImageIndex & /*imageIndex*/) const
+{
+    return getSamples();
+}
+
+bool Renderbuffer::isRenderable(const Context *context,
+                                GLenum binding,
+                                const ImageIndex &imageIndex) const
+{
+    if (isEGLImageTarget())
+    {
+        return ImageSibling::isRenderable(context, binding, imageIndex);
+    }
+    return getFormat().info->renderbufferSupport(context->getClientVersion(),
+                                                 context->getExtensions());
+}
+
+InitState Renderbuffer::initState(GLenum /*binding*/, const gl::ImageIndex & /*imageIndex*/) const
+{
+    if (isEGLImageTarget())
+    {
+        return sourceEGLImageInitState();
+    }
+
+    return mState.mInitState;
+}
+
+void Renderbuffer::setInitState(GLenum /*binding*/,
+                                const gl::ImageIndex & /*imageIndex*/,
+                                InitState initState)
+{
+    if (isEGLImageTarget())
+    {
+        setSourceEGLImageInitState(initState);
+    }
+    else
+    {
+        mState.mInitState = initState;
+    }
+}
+
+rx::FramebufferAttachmentObjectImpl *Renderbuffer::getAttachmentImpl() const
+{
+    return mImplementation.get();
+}
+
+GLenum Renderbuffer::getImplementationColorReadFormat(const Context *context) const
+{
+    return mImplementation->getColorReadFormat(context);
+}
+
+GLenum Renderbuffer::getImplementationColorReadType(const Context *context) const
+{
+    return mImplementation->getColorReadType(context);
+}
+
+angle::Result Renderbuffer::getRenderbufferImage(const Context *context,
+                                                 const PixelPackState &packState,
+                                                 Buffer *packBuffer,
+                                                 GLenum format,
+                                                 GLenum type,
+                                                 void *pixels) const
+{
+    return mImplementation->getRenderbufferImage(context, packState, packBuffer, format, type,
+                                                 pixels);
+}
+
+void Renderbuffer::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    ASSERT(message == angle::SubjectMessage::SubjectChanged);
+    onStateChange(angle::SubjectMessage::ContentsChanged);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Renderbuffer.h b/gfx/angle/checkout/src/libANGLE/Renderbuffer.h
new file mode 100644
index 0000000000..1f85afc5e5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Renderbuffer.h
@@ -0,0 +1,181 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Renderbuffer.h: Defines the renderer-agnostic container class gl::Renderbuffer.
+// Implements GL renderbuffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 4.4.3 page 108.
+
+#ifndef LIBANGLE_RENDERBUFFER_H_
+#define LIBANGLE_RENDERBUFFER_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/RenderbufferImpl.h"
+
+namespace rx
+{
+class GLImplFactory;
+}  // namespace rx
+
+namespace gl
+{
+// A GL renderbuffer object is usually used as a depth or stencil buffer attachment
+// for a framebuffer object. The renderbuffer itself is a distinct GL object, see
+// FramebufferAttachment and Framebuffer for how they are applied to an FBO via an
+// attachment point.
+
+class RenderbufferState final : angle::NonCopyable
+{
+  public:
+    RenderbufferState();
+    ~RenderbufferState();
+
+    GLsizei getWidth() const;
+    GLsizei getHeight() const;
+    const Format &getFormat() const;
+    GLsizei getSamples() const;
+    MultisamplingMode getMultisamplingMode() const;
+    InitState getInitState() const;
+    void setProtectedContent(bool hasProtectedContent);
+
+  private:
+    friend class Renderbuffer;
+
+    void update(GLsizei width,
+                GLsizei height,
+                const Format &format,
+                GLsizei samples,
+                MultisamplingMode multisamplingMode,
+                InitState initState);
+
+    GLsizei mWidth;
+    GLsizei mHeight;
+    Format mFormat;
+    GLsizei mSamples;
+    MultisamplingMode mMultisamplingMode;
+    bool mHasProtectedContent;
+
+    // For robust resource init.
+    InitState mInitState;
+};
+
+class Renderbuffer final : public RefCountObject<RenderbufferID>,
+                           public egl::ImageSibling,
+                           public LabeledObject
+{
+  public:
+    Renderbuffer(rx::GLImplFactory *implFactory, RenderbufferID id);
+    ~Renderbuffer() override;
+
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    angle::Result setStorage(const Context *context,
+                             GLenum internalformat,
+                             GLsizei width,
+                             GLsizei height);
+    angle::Result setStorageMultisample(const Context *context,
+                                        GLsizei samplesIn,
+                                        GLenum internalformat,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        MultisamplingMode mode);
+    angle::Result setStorageEGLImageTarget(const Context *context, egl::Image *imageTarget);
+
+    angle::Result copyRenderbufferSubData(Context *context,
+                                          const gl::Renderbuffer *srcBuffer,
+                                          GLint srcLevel,
+                                          GLint srcX,
+                                          GLint srcY,
+                                          GLint srcZ,
+                                          GLint dstLevel,
+                                          GLint dstX,
+                                          GLint dstY,
+                                          GLint dstZ,
+                                          GLsizei srcWidth,
+                                          GLsizei srcHeight,
+                                          GLsizei srcDepth);
+
+    angle::Result copyTextureSubData(Context *context,
+                                     const gl::Texture *srcTexture,
+                                     GLint srcLevel,
+                                     GLint srcX,
+                                     GLint srcY,
+                                     GLint srcZ,
+                                     GLint dstLevel,
+                                     GLint dstX,
+                                     GLint dstY,
+                                     GLint dstZ,
+                                     GLsizei srcWidth,
+                                     GLsizei srcHeight,
+                                     GLsizei srcDepth);
+
+    rx::RenderbufferImpl *getImplementation() const;
+
+    GLsizei getWidth() const;
+    GLsizei getHeight() const;
+    const Format &getFormat() const;
+    GLsizei getSamples() const;
+    MultisamplingMode getMultisamplingMode() const;
+    GLuint getRedSize() const;
+    GLuint getGreenSize() const;
+    GLuint getBlueSize() const;
+    GLuint getAlphaSize() const;
+    GLuint getDepthSize() const;
+    GLuint getStencilSize() const;
+    const RenderbufferState &getState() const;
+
+    GLint getMemorySize() const;
+
+    // FramebufferAttachmentObject Impl
+    Extents getAttachmentSize(const ImageIndex &imageIndex) const override;
+    Format getAttachmentFormat(GLenum binding, const ImageIndex &imageIndex) const override;
+    GLsizei getAttachmentSamples(const ImageIndex &imageIndex) const override;
+    bool isRenderable(const Context *context,
+                      GLenum binding,
+                      const ImageIndex &imageIndex) const override;
+
+    void onAttach(const Context *context, rx::Serial framebufferSerial) override;
+    void onDetach(const Context *context, rx::Serial framebufferSerial) override;
+    GLuint getId() const override;
+
+    InitState initState(GLenum binding, const ImageIndex &imageIndex) const override;
+    void setInitState(GLenum binding, const ImageIndex &imageIndex, InitState initState) override;
+
+    GLenum getImplementationColorReadFormat(const Context *context) const;
+    GLenum getImplementationColorReadType(const Context *context) const;
+
+    // We pass the pack buffer and state explicitly so they can be overridden during capture.
+    angle::Result getRenderbufferImage(const Context *context,
+                                       const PixelPackState &packState,
+                                       Buffer *packBuffer,
+                                       GLenum format,
+                                       GLenum type,
+                                       void *pixels) const;
+
+  private:
+    // ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override;
+
+    RenderbufferState mState;
+    std::unique_ptr<rx::RenderbufferImpl> mImplementation;
+
+    std::string mLabel;
+    angle::ObserverBinding mImplObserverBinding;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_RENDERBUFFER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/ResourceManager.cpp b/gfx/angle/checkout/src/libANGLE/ResourceManager.cpp
new file mode 100644
index 0000000000..d5efce2319
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ResourceManager.cpp
@@ -0,0 +1,522 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ResourceManager.cpp: Implements the the ResourceManager classes, which handle allocation and
+// lifetime of GL objects.
+
+#include "libANGLE/ResourceManager.h"
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Fence.h"
+#include "libANGLE/MemoryObject.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ProgramPipeline.h"
+#include "libANGLE/Query.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Sampler.h"
+#include "libANGLE/Semaphore.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/renderer/ContextImpl.h"
+
+namespace gl
+{
+
+namespace
+{
+
+template <typename ResourceType, typename IDType>
+IDType AllocateEmptyObject(HandleAllocator *handleAllocator,
+                           ResourceMap<ResourceType, IDType> *objectMap)
+{
+    IDType handle = PackParam<IDType>(handleAllocator->allocate());
+    objectMap->assign(handle, nullptr);
+    return handle;
+}
+
+}  // anonymous namespace
+
+ResourceManagerBase::ResourceManagerBase() : mRefCount(1) {}
+
+ResourceManagerBase::~ResourceManagerBase() = default;
+
+void ResourceManagerBase::addRef()
+{
+    mRefCount++;
+}
+
+void ResourceManagerBase::release(const Context *context)
+{
+    if (--mRefCount == 0)
+    {
+        reset(context);
+        delete this;
+    }
+}
+
+template <typename ResourceType, typename ImplT, typename IDType>
+TypedResourceManager<ResourceType, ImplT, IDType>::~TypedResourceManager()
+{
+    ASSERT(mObjectMap.empty());
+}
+
+template <typename ResourceType, typename ImplT, typename IDType>
+void TypedResourceManager<ResourceType, ImplT, IDType>::reset(const Context *context)
+{
+    this->mHandleAllocator.reset();
+    for (const auto &resource : mObjectMap)
+    {
+        if (resource.second)
+        {
+            ImplT::DeleteObject(context, resource.second);
+        }
+    }
+    mObjectMap.clear();
+}
+
+template <typename ResourceType, typename ImplT, typename IDType>
+void TypedResourceManager<ResourceType, ImplT, IDType>::deleteObject(const Context *context,
+                                                                     IDType handle)
+{
+    ResourceType *resource = nullptr;
+    if (!mObjectMap.erase(handle, &resource))
+    {
+        return;
+    }
+
+    // Requires an explicit this-> because of C++ template rules.
+    this->mHandleAllocator.release(GetIDValue(handle));
+
+    if (resource)
+    {
+        ImplT::DeleteObject(context, resource);
+    }
+}
+
+template class TypedResourceManager<Buffer, BufferManager, BufferID>;
+template class TypedResourceManager<Texture, TextureManager, TextureID>;
+template class TypedResourceManager<Renderbuffer, RenderbufferManager, RenderbufferID>;
+template class TypedResourceManager<Sampler, SamplerManager, SamplerID>;
+template class TypedResourceManager<Sync, SyncManager, GLuint>;
+template class TypedResourceManager<Framebuffer, FramebufferManager, FramebufferID>;
+template class TypedResourceManager<ProgramPipeline, ProgramPipelineManager, ProgramPipelineID>;
+
+// BufferManager Implementation.
+BufferManager::~BufferManager() = default;
+
+// static
+Buffer *BufferManager::AllocateNewObject(rx::GLImplFactory *factory, BufferID handle)
+{
+    Buffer *buffer = new Buffer(factory, handle);
+    buffer->addRef();
+    return buffer;
+}
+
+// static
+void BufferManager::DeleteObject(const Context *context, Buffer *buffer)
+{
+    buffer->release(context);
+}
+
+BufferID BufferManager::createBuffer()
+{
+    return AllocateEmptyObject(&mHandleAllocator, &mObjectMap);
+}
+
+Buffer *BufferManager::getBuffer(BufferID handle) const
+{
+    return mObjectMap.query(handle);
+}
+
+// ShaderProgramManager Implementation.
+
+ShaderProgramManager::ShaderProgramManager() {}
+
+ShaderProgramManager::~ShaderProgramManager()
+{
+    ASSERT(mPrograms.empty());
+    ASSERT(mShaders.empty());
+}
+
+void ShaderProgramManager::reset(const Context *context)
+{
+    while (!mPrograms.empty())
+    {
+        deleteProgram(context, {mPrograms.begin()->first});
+    }
+    mPrograms.clear();
+    while (!mShaders.empty())
+    {
+        deleteShader(context, {mShaders.begin()->first});
+    }
+    mShaders.clear();
+}
+
+ShaderProgramID ShaderProgramManager::createShader(rx::GLImplFactory *factory,
+                                                   const gl::Limitations &rendererLimitations,
+                                                   ShaderType type)
+{
+    ASSERT(type != ShaderType::InvalidEnum);
+    ShaderProgramID handle = ShaderProgramID{mHandleAllocator.allocate()};
+    mShaders.assign(handle, new Shader(this, factory, rendererLimitations, type, handle));
+    return handle;
+}
+
+void ShaderProgramManager::deleteShader(const Context *context, ShaderProgramID shader)
+{
+    deleteObject(context, &mShaders, shader);
+}
+
+Shader *ShaderProgramManager::getShader(ShaderProgramID handle) const
+{
+    return mShaders.query(handle);
+}
+
+ShaderProgramID ShaderProgramManager::createProgram(rx::GLImplFactory *factory)
+{
+    ShaderProgramID handle = ShaderProgramID{mHandleAllocator.allocate()};
+    mPrograms.assign(handle, new Program(factory, this, handle));
+    return handle;
+}
+
+void ShaderProgramManager::deleteProgram(const gl::Context *context, ShaderProgramID program)
+{
+    deleteObject(context, &mPrograms, program);
+}
+
+template <typename ObjectType, typename IDType>
+void ShaderProgramManager::deleteObject(const Context *context,
+                                        ResourceMap<ObjectType, IDType> *objectMap,
+                                        IDType id)
+{
+    ObjectType *object = objectMap->query(id);
+    if (!object)
+    {
+        return;
+    }
+
+    if (object->getRefCount() == 0)
+    {
+        mHandleAllocator.release(id.value);
+        object->onDestroy(context);
+        objectMap->erase(id, &object);
+    }
+    else
+    {
+        object->flagForDeletion();
+    }
+}
+
+// TextureManager Implementation.
+
+TextureManager::~TextureManager() = default;
+
+// static
+Texture *TextureManager::AllocateNewObject(rx::GLImplFactory *factory,
+                                           TextureID handle,
+                                           TextureType type)
+{
+    Texture *texture = new Texture(factory, handle, type);
+    texture->addRef();
+    return texture;
+}
+
+// static
+void TextureManager::DeleteObject(const Context *context, Texture *texture)
+{
+    texture->release(context);
+}
+
+TextureID TextureManager::createTexture()
+{
+    return AllocateEmptyObject(&mHandleAllocator, &mObjectMap);
+}
+
+void TextureManager::signalAllTexturesDirty() const
+{
+    for (const auto &texture : mObjectMap)
+    {
+        if (texture.second)
+        {
+            // We don't know if the Texture needs init, but that's ok, since it will only force
+            // a re-check, and will not initialize the pixels if it's not needed.
+            texture.second->signalDirtyStorage(InitState::MayNeedInit);
+        }
+    }
+}
+
+void TextureManager::enableHandleAllocatorLogging()
+{
+    mHandleAllocator.enableLogging(true);
+}
+
+// RenderbufferManager Implementation.
+
+RenderbufferManager::~RenderbufferManager() = default;
+
+// static
+Renderbuffer *RenderbufferManager::AllocateNewObject(rx::GLImplFactory *factory,
+                                                     RenderbufferID handle)
+{
+    Renderbuffer *renderbuffer = new Renderbuffer(factory, handle);
+    renderbuffer->addRef();
+    return renderbuffer;
+}
+
+// static
+void RenderbufferManager::DeleteObject(const Context *context, Renderbuffer *renderbuffer)
+{
+    renderbuffer->release(context);
+}
+
+RenderbufferID RenderbufferManager::createRenderbuffer()
+{
+    return {AllocateEmptyObject(&mHandleAllocator, &mObjectMap)};
+}
+
+Renderbuffer *RenderbufferManager::getRenderbuffer(RenderbufferID handle) const
+{
+    return mObjectMap.query(handle);
+}
+
+// SamplerManager Implementation.
+
+SamplerManager::~SamplerManager() = default;
+
+// static
+Sampler *SamplerManager::AllocateNewObject(rx::GLImplFactory *factory, SamplerID handle)
+{
+    Sampler *sampler = new Sampler(factory, handle);
+    sampler->addRef();
+    return sampler;
+}
+
+// static
+void SamplerManager::DeleteObject(const Context *context, Sampler *sampler)
+{
+    sampler->release(context);
+}
+
+SamplerID SamplerManager::createSampler()
+{
+    return AllocateEmptyObject(&mHandleAllocator, &mObjectMap);
+}
+
+Sampler *SamplerManager::getSampler(SamplerID handle) const
+{
+    return mObjectMap.query(handle);
+}
+
+bool SamplerManager::isSampler(SamplerID sampler) const
+{
+    return mObjectMap.contains(sampler);
+}
+
+// SyncManager Implementation.
+
+SyncManager::~SyncManager() = default;
+
+// static
+void SyncManager::DeleteObject(const Context *context, Sync *sync)
+{
+    sync->release(context);
+}
+
+GLuint SyncManager::createSync(rx::GLImplFactory *factory)
+{
+    GLuint handle = mHandleAllocator.allocate();
+    Sync *sync    = new Sync(factory, handle);
+    sync->addRef();
+    mObjectMap.assign(handle, sync);
+    return handle;
+}
+
+Sync *SyncManager::getSync(GLuint handle) const
+{
+    return mObjectMap.query(handle);
+}
+
+// FramebufferManager Implementation.
+
+FramebufferManager::~FramebufferManager() = default;
+
+// static
+Framebuffer *FramebufferManager::AllocateNewObject(rx::GLImplFactory *factory,
+                                                   FramebufferID handle,
+                                                   const Context *context)
+{
+    // Make sure the caller isn't using a reserved handle.
+    ASSERT(handle != Framebuffer::kDefaultDrawFramebufferHandle);
+    return new Framebuffer(context, factory, handle);
+}
+
+// static
+void FramebufferManager::DeleteObject(const Context *context, Framebuffer *framebuffer)
+{
+    framebuffer->onDestroy(context);
+    delete framebuffer;
+}
+
+FramebufferID FramebufferManager::createFramebuffer()
+{
+    return AllocateEmptyObject(&mHandleAllocator, &mObjectMap);
+}
+
+Framebuffer *FramebufferManager::getFramebuffer(FramebufferID handle) const
+{
+    return mObjectMap.query(handle);
+}
+
+void FramebufferManager::setDefaultFramebuffer(Framebuffer *framebuffer)
+{
+    ASSERT(framebuffer == nullptr || framebuffer->isDefault());
+    mObjectMap.assign(Framebuffer::kDefaultDrawFramebufferHandle, framebuffer);
+}
+
+Framebuffer *FramebufferManager::getDefaultFramebuffer() const
+{
+    return getFramebuffer(Framebuffer::kDefaultDrawFramebufferHandle);
+}
+
+void FramebufferManager::invalidateFramebufferCompletenessCache() const
+{
+    for (const auto &framebuffer : mObjectMap)
+    {
+        if (framebuffer.second)
+        {
+            framebuffer.second->invalidateCompletenessCache();
+        }
+    }
+}
+
+// ProgramPipelineManager Implementation.
+
+ProgramPipelineManager::~ProgramPipelineManager() = default;
+
+// static
+ProgramPipeline *ProgramPipelineManager::AllocateNewObject(rx::GLImplFactory *factory,
+                                                           ProgramPipelineID handle)
+{
+    ProgramPipeline *pipeline = new ProgramPipeline(factory, handle);
+    pipeline->addRef();
+    return pipeline;
+}
+
+// static
+void ProgramPipelineManager::DeleteObject(const Context *context, ProgramPipeline *pipeline)
+{
+    pipeline->release(context);
+}
+
+ProgramPipelineID ProgramPipelineManager::createProgramPipeline()
+{
+    return AllocateEmptyObject(&mHandleAllocator, &mObjectMap);
+}
+
+ProgramPipeline *ProgramPipelineManager::getProgramPipeline(ProgramPipelineID handle) const
+{
+    return mObjectMap.query(handle);
+}
+
+// MemoryObjectManager Implementation.
+
+MemoryObjectManager::MemoryObjectManager() {}
+
+MemoryObjectManager::~MemoryObjectManager()
+{
+    ASSERT(mMemoryObjects.empty());
+}
+
+void MemoryObjectManager::reset(const Context *context)
+{
+    while (!mMemoryObjects.empty())
+    {
+        deleteMemoryObject(context, {mMemoryObjects.begin()->first});
+    }
+    mMemoryObjects.clear();
+}
+
+MemoryObjectID MemoryObjectManager::createMemoryObject(rx::GLImplFactory *factory)
+{
+    MemoryObjectID handle      = MemoryObjectID{mHandleAllocator.allocate()};
+    MemoryObject *memoryObject = new MemoryObject(factory, handle);
+    memoryObject->addRef();
+    mMemoryObjects.assign(handle, memoryObject);
+    return handle;
+}
+
+void MemoryObjectManager::deleteMemoryObject(const Context *context, MemoryObjectID handle)
+{
+    MemoryObject *memoryObject = nullptr;
+    if (!mMemoryObjects.erase(handle, &memoryObject))
+    {
+        return;
+    }
+
+    // Requires an explicit this-> because of C++ template rules.
+    this->mHandleAllocator.release(handle.value);
+
+    if (memoryObject)
+    {
+        memoryObject->release(context);
+    }
+}
+
+MemoryObject *MemoryObjectManager::getMemoryObject(MemoryObjectID handle) const
+{
+    return mMemoryObjects.query(handle);
+}
+
+// SemaphoreManager Implementation.
+
+SemaphoreManager::SemaphoreManager() {}
+
+SemaphoreManager::~SemaphoreManager()
+{
+    ASSERT(mSemaphores.empty());
+}
+
+void SemaphoreManager::reset(const Context *context)
+{
+    while (!mSemaphores.empty())
+    {
+        deleteSemaphore(context, {mSemaphores.begin()->first});
+    }
+    mSemaphores.clear();
+}
+
+SemaphoreID SemaphoreManager::createSemaphore(rx::GLImplFactory *factory)
+{
+    SemaphoreID handle   = SemaphoreID{mHandleAllocator.allocate()};
+    Semaphore *semaphore = new Semaphore(factory, handle);
+    semaphore->addRef();
+    mSemaphores.assign(handle, semaphore);
+    return handle;
+}
+
+void SemaphoreManager::deleteSemaphore(const Context *context, SemaphoreID handle)
+{
+    Semaphore *semaphore = nullptr;
+    if (!mSemaphores.erase(handle, &semaphore))
+    {
+        return;
+    }
+
+    // Requires an explicit this-> because of C++ template rules.
+    this->mHandleAllocator.release(handle.value);
+
+    if (semaphore)
+    {
+        semaphore->release(context);
+    }
+}
+
+Semaphore *SemaphoreManager::getSemaphore(SemaphoreID handle) const
+{
+    return mSemaphores.query(handle);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/ResourceManager.h b/gfx/angle/checkout/src/libANGLE/ResourceManager.h
new file mode 100644
index 0000000000..0f8447ed24
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ResourceManager.h
@@ -0,0 +1,353 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ResourceManager.h : Defines the ResourceManager classes, which handle allocation and lifetime of
+// GL objects.
+
+#ifndef LIBANGLE_RESOURCEMANAGER_H_
+#define LIBANGLE_RESOURCEMANAGER_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/HandleAllocator.h"
+#include "libANGLE/ResourceMap.h"
+
+namespace rx
+{
+class GLImplFactory;
+}  // namespace rx
+
+namespace egl
+{
+class ShareGroup;
+}  // namespace egl
+
+namespace gl
+{
+class Buffer;
+struct Caps;
+class Context;
+class Framebuffer;
+struct Limitations;
+class MemoryObject;
+class Path;
+class Program;
+class ProgramPipeline;
+class Renderbuffer;
+class Sampler;
+class Semaphore;
+class Shader;
+class Sync;
+class Texture;
+
+class ResourceManagerBase : angle::NonCopyable
+{
+  public:
+    ResourceManagerBase();
+
+    void addRef();
+    void release(const Context *context);
+
+  protected:
+    virtual void reset(const Context *context) = 0;
+    virtual ~ResourceManagerBase();
+
+    HandleAllocator mHandleAllocator;
+
+  private:
+    size_t mRefCount;
+};
+
+template <typename ResourceType, typename ImplT, typename IDType>
+class TypedResourceManager : public ResourceManagerBase
+{
+  public:
+    TypedResourceManager() {}
+
+    void deleteObject(const Context *context, IDType handle);
+    ANGLE_INLINE bool isHandleGenerated(IDType handle) const
+    {
+        // Zero is always assumed to have been generated implicitly.
+        return GetIDValue(handle) == 0 || mObjectMap.contains(handle);
+    }
+
+    typename ResourceMap<ResourceType, IDType>::Iterator begin() const
+    {
+        return mObjectMap.begin();
+    }
+    typename ResourceMap<ResourceType, IDType>::Iterator end() const { return mObjectMap.end(); }
+
+  protected:
+    ~TypedResourceManager() override;
+
+    // Inlined in the header for performance.
+    template <typename... ArgTypes>
+    ANGLE_INLINE ResourceType *checkObjectAllocation(rx::GLImplFactory *factory,
+                                                     IDType handle,
+                                                     ArgTypes... args)
+    {
+        ResourceType *value = mObjectMap.query(handle);
+        if (value)
+        {
+            return value;
+        }
+
+        if (GetIDValue(handle) == 0)
+        {
+            return nullptr;
+        }
+
+        return checkObjectAllocationImpl(factory, handle, args...);
+    }
+
+    void reset(const Context *context) override;
+
+    ResourceMap<ResourceType, IDType> mObjectMap;
+
+  private:
+    template <typename... ArgTypes>
+    ResourceType *checkObjectAllocationImpl(rx::GLImplFactory *factory,
+                                            IDType handle,
+                                            ArgTypes... args)
+    {
+        ResourceType *object = ImplT::AllocateNewObject(factory, handle, args...);
+
+        if (!mObjectMap.contains(handle))
+        {
+            this->mHandleAllocator.reserve(GetIDValue(handle));
+        }
+        mObjectMap.assign(handle, object);
+
+        return object;
+    }
+};
+
+class BufferManager : public TypedResourceManager<Buffer, BufferManager, BufferID>
+{
+  public:
+    BufferID createBuffer();
+    Buffer *getBuffer(BufferID handle) const;
+
+    ANGLE_INLINE Buffer *checkBufferAllocation(rx::GLImplFactory *factory, BufferID handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
+
+    // TODO(jmadill): Investigate design which doesn't expose these methods publicly.
+    static Buffer *AllocateNewObject(rx::GLImplFactory *factory, BufferID handle);
+    static void DeleteObject(const Context *context, Buffer *buffer);
+
+  protected:
+    ~BufferManager() override;
+};
+
+class ShaderProgramManager : public ResourceManagerBase
+{
+  public:
+    ShaderProgramManager();
+
+    ShaderProgramID createShader(rx::GLImplFactory *factory,
+                                 const Limitations &rendererLimitations,
+                                 ShaderType type);
+    void deleteShader(const Context *context, ShaderProgramID shader);
+    Shader *getShader(ShaderProgramID handle) const;
+
+    ShaderProgramID createProgram(rx::GLImplFactory *factory);
+    void deleteProgram(const Context *context, ShaderProgramID program);
+
+    ANGLE_INLINE Program *getProgram(ShaderProgramID handle) const
+    {
+        return mPrograms.query(handle);
+    }
+
+    // For capture and performance counters only.
+    const ResourceMap<Shader, ShaderProgramID> &getShadersForCapture() const { return mShaders; }
+    const ResourceMap<Program, ShaderProgramID> &getProgramsForCaptureAndPerf() const
+    {
+        return mPrograms;
+    }
+
+  protected:
+    ~ShaderProgramManager() override;
+
+  private:
+    template <typename ObjectType, typename IDType>
+    void deleteObject(const Context *context,
+                      ResourceMap<ObjectType, IDType> *objectMap,
+                      IDType id);
+
+    void reset(const Context *context) override;
+
+    ResourceMap<Shader, ShaderProgramID> mShaders;
+    ResourceMap<Program, ShaderProgramID> mPrograms;
+};
+
+class TextureManager : public TypedResourceManager<Texture, TextureManager, TextureID>
+{
+  public:
+    TextureID createTexture();
+    ANGLE_INLINE Texture *getTexture(TextureID handle) const
+    {
+        ASSERT(mObjectMap.query({0}) == nullptr);
+        return mObjectMap.query(handle);
+    }
+
+    void signalAllTexturesDirty() const;
+
+    ANGLE_INLINE Texture *checkTextureAllocation(rx::GLImplFactory *factory,
+                                                 TextureID handle,
+                                                 TextureType type)
+    {
+        return checkObjectAllocation(factory, handle, type);
+    }
+
+    static Texture *AllocateNewObject(rx::GLImplFactory *factory,
+                                      TextureID handle,
+                                      TextureType type);
+    static void DeleteObject(const Context *context, Texture *texture);
+
+    void enableHandleAllocatorLogging();
+
+  protected:
+    ~TextureManager() override;
+};
+
+class RenderbufferManager
+    : public TypedResourceManager<Renderbuffer, RenderbufferManager, RenderbufferID>
+{
+  public:
+    RenderbufferID createRenderbuffer();
+    Renderbuffer *getRenderbuffer(RenderbufferID handle) const;
+
+    Renderbuffer *checkRenderbufferAllocation(rx::GLImplFactory *factory, RenderbufferID handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
+
+    static Renderbuffer *AllocateNewObject(rx::GLImplFactory *factory, RenderbufferID handle);
+    static void DeleteObject(const Context *context, Renderbuffer *renderbuffer);
+
+  protected:
+    ~RenderbufferManager() override;
+};
+
+class SamplerManager : public TypedResourceManager<Sampler, SamplerManager, SamplerID>
+{
+  public:
+    SamplerID createSampler();
+    Sampler *getSampler(SamplerID handle) const;
+    bool isSampler(SamplerID sampler) const;
+
+    Sampler *checkSamplerAllocation(rx::GLImplFactory *factory, SamplerID handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
+
+    static Sampler *AllocateNewObject(rx::GLImplFactory *factory, SamplerID handle);
+    static void DeleteObject(const Context *context, Sampler *sampler);
+
+  protected:
+    ~SamplerManager() override;
+};
+
+class SyncManager : public TypedResourceManager<Sync, SyncManager, GLuint>
+{
+  public:
+    GLuint createSync(rx::GLImplFactory *factory);
+    Sync *getSync(GLuint handle) const;
+
+    static void DeleteObject(const Context *context, Sync *sync);
+
+  protected:
+    ~SyncManager() override;
+};
+
+class FramebufferManager
+    : public TypedResourceManager<Framebuffer, FramebufferManager, FramebufferID>
+{
+  public:
+    FramebufferID createFramebuffer();
+    Framebuffer *getFramebuffer(FramebufferID handle) const;
+    void setDefaultFramebuffer(Framebuffer *framebuffer);
+    Framebuffer *getDefaultFramebuffer() const;
+
+    void invalidateFramebufferCompletenessCache() const;
+
+    Framebuffer *checkFramebufferAllocation(rx::GLImplFactory *factory,
+                                            const Context *context,
+                                            FramebufferID handle)
+    {
+        return checkObjectAllocation(factory, handle, context);
+    }
+
+    static Framebuffer *AllocateNewObject(rx::GLImplFactory *factory,
+                                          FramebufferID handle,
+                                          const Context *context);
+    static void DeleteObject(const Context *context, Framebuffer *framebuffer);
+
+  protected:
+    ~FramebufferManager() override;
+};
+
+class ProgramPipelineManager
+    : public TypedResourceManager<ProgramPipeline, ProgramPipelineManager, ProgramPipelineID>
+{
+  public:
+    ProgramPipelineID createProgramPipeline();
+    ProgramPipeline *getProgramPipeline(ProgramPipelineID handle) const;
+
+    ProgramPipeline *checkProgramPipelineAllocation(rx::GLImplFactory *factory,
+                                                    ProgramPipelineID handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
+
+    static ProgramPipeline *AllocateNewObject(rx::GLImplFactory *factory, ProgramPipelineID handle);
+    static void DeleteObject(const Context *context, ProgramPipeline *pipeline);
+
+  protected:
+    ~ProgramPipelineManager() override;
+};
+
+class MemoryObjectManager : public ResourceManagerBase
+{
+  public:
+    MemoryObjectManager();
+
+    MemoryObjectID createMemoryObject(rx::GLImplFactory *factory);
+    void deleteMemoryObject(const Context *context, MemoryObjectID handle);
+    MemoryObject *getMemoryObject(MemoryObjectID handle) const;
+
+  protected:
+    ~MemoryObjectManager() override;
+
+  private:
+    void reset(const Context *context) override;
+
+    ResourceMap<MemoryObject, MemoryObjectID> mMemoryObjects;
+};
+
+class SemaphoreManager : public ResourceManagerBase
+{
+  public:
+    SemaphoreManager();
+
+    SemaphoreID createSemaphore(rx::GLImplFactory *factory);
+    void deleteSemaphore(const Context *context, SemaphoreID handle);
+    Semaphore *getSemaphore(SemaphoreID handle) const;
+
+  protected:
+    ~SemaphoreManager() override;
+
+  private:
+    void reset(const Context *context) override;
+
+    ResourceMap<Semaphore, SemaphoreID> mSemaphores;
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_RESOURCEMANAGER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/ResourceMap.h b/gfx/angle/checkout/src/libANGLE/ResourceMap.h
new file mode 100644
index 0000000000..b24c1e6240
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/ResourceMap.h
@@ -0,0 +1,346 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ResourceMap:
+//   An optimized resource map which packs the first set of allocated objects into a
+//   flat array, and then falls back to an unordered map for the higher handle values.
+//
+
+#ifndef LIBANGLE_RESOURCE_MAP_H_
+#define LIBANGLE_RESOURCE_MAP_H_
+
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+
+template <typename ResourceType, typename IDType>
+class ResourceMap final : angle::NonCopyable
+{
+  public:
+    ResourceMap();
+    ~ResourceMap();
+
+    ANGLE_INLINE ResourceType *query(IDType id) const
+    {
+        GLuint handle = GetIDValue(id);
+        if (handle < mFlatResourcesSize)
+        {
+            ResourceType *value = mFlatResources[handle];
+            return (value == InvalidPointer() ? nullptr : value);
+        }
+        auto it = mHashedResources.find(handle);
+        return (it == mHashedResources.end() ? nullptr : it->second);
+    }
+
+    // Returns true if the handle was reserved. Not necessarily if the resource is created.
+    bool contains(IDType id) const;
+
+    // Returns the element that was at this location.
+    bool erase(IDType id, ResourceType **resourceOut);
+
+    void assign(IDType id, ResourceType *resource);
+
+    // Clears the map.
+    void clear();
+
+    using IndexAndResource = std::pair<GLuint, ResourceType *>;
+    using HashMap          = angle::HashMap<GLuint, ResourceType *>;
+
+    class Iterator final
+    {
+      public:
+        bool operator==(const Iterator &other) const;
+        bool operator!=(const Iterator &other) const;
+        Iterator &operator++();
+        const IndexAndResource *operator->() const;
+        const IndexAndResource &operator*() const;
+
+      private:
+        friend class ResourceMap;
+        Iterator(const ResourceMap &origin,
+                 GLuint flatIndex,
+                 typename HashMap::const_iterator hashIndex,
+                 bool skipNulls);
+        void updateValue();
+
+        const ResourceMap &mOrigin;
+        GLuint mFlatIndex;
+        typename HashMap::const_iterator mHashIndex;
+        IndexAndResource mValue;
+        bool mSkipNulls;
+    };
+
+    // null values represent reserved handles.
+    Iterator begin() const;
+    Iterator end() const;
+    Iterator find(IDType handle) const;
+
+    Iterator beginWithNull() const;
+    Iterator endWithNull() const;
+
+    // Not a constant-time operation, should only be used for verification.
+    bool empty() const;
+
+  private:
+    friend class Iterator;
+
+    GLuint nextResource(size_t flatIndex, bool skipNulls) const;
+
+    // constexpr methods cannot contain reinterpret_cast, so we need a static method.
+    static ResourceType *InvalidPointer();
+    static constexpr intptr_t kInvalidPointer = static_cast<intptr_t>(-1);
+
+    // Start with 32 maximum elements in the map, which can grow.
+    static constexpr size_t kInitialFlatResourcesSize = 0x20;
+
+    // Experimental testing suggests that 16k is a reasonable upper limit.
+    static constexpr size_t kFlatResourcesLimit = 0x4000;
+
+    // Size of one map element.
+    static constexpr size_t kElementSize = sizeof(ResourceType *);
+
+    size_t mFlatResourcesSize;
+    ResourceType **mFlatResources;
+
+    // A map of GL objects indexed by object ID.
+    HashMap mHashedResources;
+};
+
+template <typename ResourceType, typename IDType>
+ResourceMap<ResourceType, IDType>::ResourceMap()
+    : mFlatResourcesSize(kInitialFlatResourcesSize),
+      mFlatResources(new ResourceType *[kInitialFlatResourcesSize])
+{
+    memset(mFlatResources, kInvalidPointer, mFlatResourcesSize * kElementSize);
+}
+
+template <typename ResourceType, typename IDType>
+ResourceMap<ResourceType, IDType>::~ResourceMap()
+{
+    ASSERT(empty());
+    delete[] mFlatResources;
+}
+
+template <typename ResourceType, typename IDType>
+ANGLE_INLINE bool ResourceMap<ResourceType, IDType>::contains(IDType id) const
+{
+    GLuint handle = GetIDValue(id);
+    if (handle < mFlatResourcesSize)
+    {
+        return (mFlatResources[handle] != InvalidPointer());
+    }
+    return (mHashedResources.find(handle) != mHashedResources.end());
+}
+
+template <typename ResourceType, typename IDType>
+bool ResourceMap<ResourceType, IDType>::erase(IDType id, ResourceType **resourceOut)
+{
+    GLuint handle = GetIDValue(id);
+    if (handle < mFlatResourcesSize)
+    {
+        auto &value = mFlatResources[handle];
+        if (value == InvalidPointer())
+        {
+            return false;
+        }
+        *resourceOut = value;
+        value        = InvalidPointer();
+    }
+    else
+    {
+        auto it = mHashedResources.find(handle);
+        if (it == mHashedResources.end())
+        {
+            return false;
+        }
+        *resourceOut = it->second;
+        mHashedResources.erase(it);
+    }
+    return true;
+}
+
+template <typename ResourceType, typename IDType>
+void ResourceMap<ResourceType, IDType>::assign(IDType id, ResourceType *resource)
+{
+    GLuint handle = GetIDValue(id);
+    if (handle < kFlatResourcesLimit)
+    {
+        if (handle >= mFlatResourcesSize)
+        {
+            // Use power-of-two.
+            size_t newSize = mFlatResourcesSize;
+            while (newSize <= handle)
+            {
+                newSize *= 2;
+            }
+
+            ResourceType **oldResources = mFlatResources;
+
+            mFlatResources = new ResourceType *[newSize];
+            memset(&mFlatResources[mFlatResourcesSize], kInvalidPointer,
+                   (newSize - mFlatResourcesSize) * kElementSize);
+            memcpy(mFlatResources, oldResources, mFlatResourcesSize * kElementSize);
+            mFlatResourcesSize = newSize;
+            delete[] oldResources;
+        }
+        ASSERT(mFlatResourcesSize > handle);
+        mFlatResources[handle] = resource;
+    }
+    else
+    {
+        mHashedResources[handle] = resource;
+    }
+}
+
+template <typename ResourceType, typename IDType>
+typename ResourceMap<ResourceType, IDType>::Iterator ResourceMap<ResourceType, IDType>::begin()
+    const
+{
+    return Iterator(*this, nextResource(0, true), mHashedResources.begin(), true);
+}
+
+template <typename ResourceType, typename IDType>
+typename ResourceMap<ResourceType, IDType>::Iterator ResourceMap<ResourceType, IDType>::end() const
+{
+    return Iterator(*this, static_cast<GLuint>(mFlatResourcesSize), mHashedResources.end(), true);
+}
+
+template <typename ResourceType, typename IDType>
+typename ResourceMap<ResourceType, IDType>::Iterator
+ResourceMap<ResourceType, IDType>::beginWithNull() const
+{
+    return Iterator(*this, nextResource(0, false), mHashedResources.begin(), false);
+}
+
+template <typename ResourceType, typename IDType>
+typename ResourceMap<ResourceType, IDType>::Iterator
+ResourceMap<ResourceType, IDType>::endWithNull() const
+{
+    return Iterator(*this, static_cast<GLuint>(mFlatResourcesSize), mHashedResources.end(), false);
+}
+
+template <typename ResourceType, typename IDType>
+typename ResourceMap<ResourceType, IDType>::Iterator ResourceMap<ResourceType, IDType>::find(
+    IDType handle) const
+{
+    if (handle < mFlatResourcesSize)
+    {
+        return (mFlatResources[handle] != InvalidPointer()
+                    ? Iterator(handle, mHashedResources.begin())
+                    : end());
+    }
+    else
+    {
+        return mHashedResources.find(handle);
+    }
+}
+
+template <typename ResourceType, typename IDType>
+bool ResourceMap<ResourceType, IDType>::empty() const
+{
+    return (begin() == end());
+}
+
+template <typename ResourceType, typename IDType>
+void ResourceMap<ResourceType, IDType>::clear()
+{
+    memset(mFlatResources, kInvalidPointer, kInitialFlatResourcesSize * kElementSize);
+    mFlatResourcesSize = kInitialFlatResourcesSize;
+    mHashedResources.clear();
+}
+
+template <typename ResourceType, typename IDType>
+GLuint ResourceMap<ResourceType, IDType>::nextResource(size_t flatIndex, bool skipNulls) const
+{
+    for (size_t index = flatIndex; index < mFlatResourcesSize; index++)
+    {
+        if ((mFlatResources[index] != nullptr || !skipNulls) &&
+            mFlatResources[index] != InvalidPointer())
+        {
+            return static_cast<GLuint>(index);
+        }
+    }
+    return static_cast<GLuint>(mFlatResourcesSize);
+}
+
+template <typename ResourceType, typename IDType>
+// static
+ResourceType *ResourceMap<ResourceType, IDType>::InvalidPointer()
+{
+    return reinterpret_cast<ResourceType *>(kInvalidPointer);
+}
+
+template <typename ResourceType, typename IDType>
+ResourceMap<ResourceType, IDType>::Iterator::Iterator(
+    const ResourceMap &origin,
+    GLuint flatIndex,
+    typename ResourceMap<ResourceType, IDType>::HashMap::const_iterator hashIndex,
+    bool skipNulls)
+    : mOrigin(origin), mFlatIndex(flatIndex), mHashIndex(hashIndex), mSkipNulls(skipNulls)
+{
+    updateValue();
+}
+
+template <typename ResourceType, typename IDType>
+bool ResourceMap<ResourceType, IDType>::Iterator::operator==(const Iterator &other) const
+{
+    return (mFlatIndex == other.mFlatIndex && mHashIndex == other.mHashIndex);
+}
+
+template <typename ResourceType, typename IDType>
+bool ResourceMap<ResourceType, IDType>::Iterator::operator!=(const Iterator &other) const
+{
+    return !(*this == other);
+}
+
+template <typename ResourceType, typename IDType>
+typename ResourceMap<ResourceType, IDType>::Iterator &
+ResourceMap<ResourceType, IDType>::Iterator::operator++()
+{
+    if (mFlatIndex < static_cast<GLuint>(mOrigin.mFlatResourcesSize))
+    {
+        mFlatIndex = mOrigin.nextResource(mFlatIndex + 1, mSkipNulls);
+    }
+    else
+    {
+        mHashIndex++;
+    }
+    updateValue();
+    return *this;
+}
+
+template <typename ResourceType, typename IDType>
+const typename ResourceMap<ResourceType, IDType>::IndexAndResource *
+ResourceMap<ResourceType, IDType>::Iterator::operator->() const
+{
+    return &mValue;
+}
+
+template <typename ResourceType, typename IDType>
+const typename ResourceMap<ResourceType, IDType>::IndexAndResource &
+ResourceMap<ResourceType, IDType>::Iterator::operator*() const
+{
+    return mValue;
+}
+
+template <typename ResourceType, typename IDType>
+void ResourceMap<ResourceType, IDType>::Iterator::updateValue()
+{
+    if (mFlatIndex < static_cast<GLuint>(mOrigin.mFlatResourcesSize))
+    {
+        mValue.first  = mFlatIndex;
+        mValue.second = mOrigin.mFlatResources[mFlatIndex];
+    }
+    else if (mHashIndex != mOrigin.mHashedResources.end())
+    {
+        mValue.first  = mHashIndex->first;
+        mValue.second = mHashIndex->second;
+    }
+}
+
+}  // namespace gl
+
+#endif  // LIBANGLE_RESOURCE_MAP_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Sampler.cpp b/gfx/angle/checkout/src/libANGLE/Sampler.cpp
new file mode 100644
index 0000000000..3cfdbbdf4f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Sampler.cpp
@@ -0,0 +1,211 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Sampler.cpp : Implements the Sampler class, which represents a GLES 3
+// sampler object. Sampler objects store some state needed to sample textures.
+
+#include "libANGLE/Sampler.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/SamplerImpl.h"
+
+namespace gl
+{
+
+Sampler::Sampler(rx::GLImplFactory *factory, SamplerID id)
+    : RefCountObject(factory->generateSerial(), id),
+      mState(),
+      mDirty(true),
+      mSampler(factory->createSampler(mState)),
+      mLabel()
+{}
+
+Sampler::~Sampler()
+{
+    SafeDelete(mSampler);
+}
+
+void Sampler::onDestroy(const Context *context)
+{
+    if (mSampler)
+    {
+        mSampler->onDestroy(context);
+    }
+}
+
+angle::Result Sampler::setLabel(const Context *context, const std::string &label)
+{
+    mLabel = label;
+
+    if (mSampler)
+    {
+        return mSampler->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &Sampler::getLabel() const
+{
+    return mLabel;
+}
+
+void Sampler::setMinFilter(const Context *context, GLenum minFilter)
+{
+    mState.setMinFilter(minFilter);
+    signalDirtyState();
+}
+
+GLenum Sampler::getMinFilter() const
+{
+    return mState.getMinFilter();
+}
+
+void Sampler::setMagFilter(const Context *context, GLenum magFilter)
+{
+    mState.setMagFilter(magFilter);
+    signalDirtyState();
+}
+
+GLenum Sampler::getMagFilter() const
+{
+    return mState.getMagFilter();
+}
+
+void Sampler::setWrapS(const Context *context, GLenum wrapS)
+{
+    mState.setWrapS(wrapS);
+    signalDirtyState();
+}
+
+GLenum Sampler::getWrapS() const
+{
+    return mState.getWrapS();
+}
+
+void Sampler::setWrapT(const Context *context, GLenum wrapT)
+{
+    mState.setWrapT(wrapT);
+    signalDirtyState();
+}
+
+GLenum Sampler::getWrapT() const
+{
+    return mState.getWrapT();
+}
+
+void Sampler::setWrapR(const Context *context, GLenum wrapR)
+{
+    mState.setWrapR(wrapR);
+    signalDirtyState();
+}
+
+GLenum Sampler::getWrapR() const
+{
+    return mState.getWrapR();
+}
+
+void Sampler::setMaxAnisotropy(const Context *context, float maxAnisotropy)
+{
+    mState.setMaxAnisotropy(maxAnisotropy);
+    signalDirtyState();
+}
+
+float Sampler::getMaxAnisotropy() const
+{
+    return mState.getMaxAnisotropy();
+}
+
+void Sampler::setMinLod(const Context *context, GLfloat minLod)
+{
+    mState.setMinLod(minLod);
+    signalDirtyState();
+}
+
+GLfloat Sampler::getMinLod() const
+{
+    return mState.getMinLod();
+}
+
+void Sampler::setMaxLod(const Context *context, GLfloat maxLod)
+{
+    mState.setMaxLod(maxLod);
+    signalDirtyState();
+}
+
+GLfloat Sampler::getMaxLod() const
+{
+    return mState.getMaxLod();
+}
+
+void Sampler::setCompareMode(const Context *context, GLenum compareMode)
+{
+    mState.setCompareMode(compareMode);
+    signalDirtyState();
+}
+
+GLenum Sampler::getCompareMode() const
+{
+    return mState.getCompareMode();
+}
+
+void Sampler::setCompareFunc(const Context *context, GLenum compareFunc)
+{
+    mState.setCompareFunc(compareFunc);
+    signalDirtyState();
+}
+
+GLenum Sampler::getCompareFunc() const
+{
+    return mState.getCompareFunc();
+}
+
+void Sampler::setSRGBDecode(const Context *context, GLenum sRGBDecode)
+{
+    mState.setSRGBDecode(sRGBDecode);
+    signalDirtyState();
+}
+
+GLenum Sampler::getSRGBDecode() const
+{
+    return mState.getSRGBDecode();
+}
+
+void Sampler::setBorderColor(const Context *context, const ColorGeneric &color)
+{
+    mState.setBorderColor(color);
+    signalDirtyState();
+}
+
+const ColorGeneric &Sampler::getBorderColor() const
+{
+    return mState.getBorderColor();
+}
+
+const SamplerState &Sampler::getSamplerState() const
+{
+    return mState;
+}
+
+rx::SamplerImpl *Sampler::getImplementation() const
+{
+    return mSampler;
+}
+
+angle::Result Sampler::syncState(const Context *context)
+{
+    ASSERT(isDirty());
+    angle::Result result = mSampler->syncState(context, mDirty);
+    mDirty               = result != angle::Result::Continue;
+    return result;
+}
+
+void Sampler::signalDirtyState()
+{
+    mDirty = true;
+    onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Sampler.h b/gfx/angle/checkout/src/libANGLE/Sampler.h
new file mode 100644
index 0000000000..b483593780
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Sampler.h
@@ -0,0 +1,92 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Sampler.h : Defines the Sampler class, which represents a GLES 3
+// sampler object. Sampler objects store some state needed to sample textures.
+
+#ifndef LIBANGLE_SAMPLER_H_
+#define LIBANGLE_SAMPLER_H_
+
+#include "libANGLE/Debug.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+class GLImplFactory;
+class SamplerImpl;
+}  // namespace rx
+
+namespace gl
+{
+
+class Sampler final : public RefCountObject<SamplerID>, public LabeledObject, public angle::Subject
+{
+  public:
+    Sampler(rx::GLImplFactory *factory, SamplerID id);
+    ~Sampler() override;
+
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    void setMinFilter(const Context *context, GLenum minFilter);
+    GLenum getMinFilter() const;
+
+    void setMagFilter(const Context *context, GLenum magFilter);
+    GLenum getMagFilter() const;
+
+    void setWrapS(const Context *context, GLenum wrapS);
+    GLenum getWrapS() const;
+
+    void setWrapT(const Context *context, GLenum wrapT);
+    GLenum getWrapT() const;
+
+    void setWrapR(const Context *context, GLenum wrapR);
+    GLenum getWrapR() const;
+
+    void setMaxAnisotropy(const Context *context, float maxAnisotropy);
+    float getMaxAnisotropy() const;
+
+    void setMinLod(const Context *context, GLfloat minLod);
+    GLfloat getMinLod() const;
+
+    void setMaxLod(const Context *context, GLfloat maxLod);
+    GLfloat getMaxLod() const;
+
+    void setCompareMode(const Context *context, GLenum compareMode);
+    GLenum getCompareMode() const;
+
+    void setCompareFunc(const Context *context, GLenum compareFunc);
+    GLenum getCompareFunc() const;
+
+    void setSRGBDecode(const Context *context, GLenum sRGBDecode);
+    GLenum getSRGBDecode() const;
+
+    void setBorderColor(const Context *context, const ColorGeneric &color);
+    const ColorGeneric &getBorderColor() const;
+
+    const SamplerState &getSamplerState() const;
+
+    rx::SamplerImpl *getImplementation() const;
+
+    angle::Result syncState(const Context *context);
+    bool isDirty() const { return mDirty; }
+
+  private:
+    void signalDirtyState();
+    SamplerState mState;
+    bool mDirty;
+    rx::SamplerImpl *mSampler;
+
+    std::string mLabel;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_SAMPLER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Semaphore.cpp b/gfx/angle/checkout/src/libANGLE/Semaphore.cpp
new file mode 100644
index 0000000000..45621653e3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Semaphore.cpp
@@ -0,0 +1,52 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Semaphore.h: Implements the gl::Semaphore class [EXT_external_objects]
+
+#include "libANGLE/Semaphore.h"
+
+#include "common/angleutils.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/SemaphoreImpl.h"
+
+namespace gl
+{
+
+Semaphore::Semaphore(rx::GLImplFactory *factory, SemaphoreID id)
+    : RefCountObject(factory->generateSerial(), id), mImplementation(factory->createSemaphore())
+{}
+
+Semaphore::~Semaphore() {}
+
+void Semaphore::onDestroy(const Context *context)
+{
+    mImplementation->onDestroy(context);
+}
+
+angle::Result Semaphore::importFd(Context *context, HandleType handleType, GLint fd)
+{
+    return mImplementation->importFd(context, handleType, fd);
+}
+
+angle::Result Semaphore::importZirconHandle(Context *context, HandleType handleType, GLuint handle)
+{
+    return mImplementation->importZirconHandle(context, handleType, handle);
+}
+
+angle::Result Semaphore::wait(Context *context,
+                              const BufferBarrierVector &bufferBarriers,
+                              const TextureBarrierVector &textureBarriers)
+{
+    return mImplementation->wait(context, bufferBarriers, textureBarriers);
+}
+
+angle::Result Semaphore::signal(Context *context,
+                                const BufferBarrierVector &bufferBarriers,
+                                const TextureBarrierVector &textureBarriers)
+{
+    return mImplementation->signal(context, bufferBarriers, textureBarriers);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Semaphore.h b/gfx/angle/checkout/src/libANGLE/Semaphore.h
new file mode 100644
index 0000000000..02bdabedca
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Semaphore.h
@@ -0,0 +1,57 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Semaphore.h: Defines the gl::Semaphore class [EXT_external_objects]
+
+#ifndef LIBANGLE_SEMAPHORE_H_
+#define LIBANGLE_SEMAPHORE_H_
+
+#include <memory>
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+class GLImplFactory;
+class SemaphoreImpl;
+}  // namespace rx
+
+namespace gl
+{
+class Context;
+
+class Semaphore final : public RefCountObject<SemaphoreID>
+{
+  public:
+    Semaphore(rx::GLImplFactory *factory, SemaphoreID id);
+    ~Semaphore() override;
+
+    void onDestroy(const Context *context) override;
+
+    rx::SemaphoreImpl *getImplementation() const { return mImplementation.get(); }
+
+    angle::Result importFd(Context *context, HandleType handleType, GLint fd);
+    angle::Result importZirconHandle(Context *context, HandleType handleType, GLuint handle);
+
+    angle::Result wait(Context *context,
+                       const BufferBarrierVector &bufferBarriers,
+                       const TextureBarrierVector &textureBarriers);
+
+    angle::Result signal(Context *context,
+                         const BufferBarrierVector &bufferBarriers,
+                         const TextureBarrierVector &textureBarriers);
+
+  private:
+    std::unique_ptr<rx::SemaphoreImpl> mImplementation;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_SEMAPHORE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Shader.cpp b/gfx/angle/checkout/src/libANGLE/Shader.cpp
new file mode 100644
index 0000000000..b1a718131a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Shader.cpp
@@ -0,0 +1,1331 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Shader.cpp: Implements the gl::Shader class and its  derived classes
+// VertexShader and FragmentShader. Implements GL shader objects and related
+// functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section 3.8 page 84.
+
+#include "libANGLE/Shader.h"
+
+#include <functional>
+#include <sstream>
+
+#include "GLSLANG/ShaderLang.h"
+#include "common/utilities.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Compiler.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/MemoryShaderCache.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/ShaderImpl.h"
+#include "platform/FrontendFeatures_autogen.h"
+
+namespace gl
+{
+
+namespace
+{
+constexpr uint32_t kShaderCacheIdentifier = 0x12345678;
+
+template <typename VarT>
+std::vector<VarT> GetActiveShaderVariables(const std::vector<VarT> *variableList)
+{
+    ASSERT(variableList);
+    std::vector<VarT> result;
+    for (size_t varIndex = 0; varIndex < variableList->size(); varIndex++)
+    {
+        const VarT &var = variableList->at(varIndex);
+        if (var.active)
+        {
+            result.push_back(var);
+        }
+    }
+    return result;
+}
+
+template <typename VarT>
+const std::vector<VarT> &GetShaderVariables(const std::vector<VarT> *variableList)
+{
+    ASSERT(variableList);
+    return *variableList;
+}
+
+void WriteInterfaceBlock(gl::BinaryOutputStream *stream, const sh::InterfaceBlock &block)
+{
+    stream->writeString(block.name);
+    stream->writeString(block.mappedName);
+    stream->writeString(block.instanceName);
+    stream->writeInt(block.arraySize);
+    stream->writeEnum(block.layout);
+    stream->writeBool(block.isRowMajorLayout);
+    stream->writeInt(block.binding);
+    stream->writeBool(block.staticUse);
+    stream->writeBool(block.active);
+    stream->writeEnum(block.blockType);
+
+    stream->writeInt(block.fields.size());
+    for (const sh::ShaderVariable &shaderVariable : block.fields)
+    {
+        WriteShaderVar(stream, shaderVariable);
+    }
+}
+
+void LoadInterfaceBlock(gl::BinaryInputStream *stream, sh::InterfaceBlock &block)
+{
+    stream->readString(&block.name);
+    stream->readString(&block.mappedName);
+    stream->readString(&block.instanceName);
+    stream->readInt(&block.arraySize);
+    stream->readEnum(&block.layout);
+    stream->readBool(&block.isRowMajorLayout);
+    stream->readInt(&block.binding);
+    stream->readBool(&block.staticUse);
+    stream->readBool(&block.active);
+    stream->readEnum(&block.blockType);
+
+    size_t size = stream->readInt<size_t>();
+    block.fields.resize(size);
+    for (sh::ShaderVariable &shaderVariable : block.fields)
+    {
+        LoadShaderVar(stream, &shaderVariable);
+    }
+}
+}  // anonymous namespace
+
+// true if varying x has a higher priority in packing than y
+bool CompareShaderVar(const sh::ShaderVariable &x, const sh::ShaderVariable &y)
+{
+    if (x.type == y.type)
+    {
+        return x.getArraySizeProduct() > y.getArraySizeProduct();
+    }
+
+    // Special case for handling structs: we sort these to the end of the list
+    if (x.type == GL_NONE)
+    {
+        return false;
+    }
+
+    if (y.type == GL_NONE)
+    {
+        return true;
+    }
+
+    return gl::VariableSortOrder(x.type) < gl::VariableSortOrder(y.type);
+}
+
+const char *GetShaderTypeString(ShaderType type)
+{
+    switch (type)
+    {
+        case ShaderType::Vertex:
+            return "VERTEX";
+
+        case ShaderType::Fragment:
+            return "FRAGMENT";
+
+        case ShaderType::Compute:
+            return "COMPUTE";
+
+        case ShaderType::Geometry:
+            return "GEOMETRY";
+
+        case ShaderType::TessControl:
+            return "TESS_CONTROL";
+
+        case ShaderType::TessEvaluation:
+            return "TESS_EVALUATION";
+
+        default:
+            UNREACHABLE();
+            return "";
+    }
+}
+
+class [[nodiscard]] ScopedExit final : angle::NonCopyable
+{
+  public:
+    ScopedExit(std::function<void()> exit) : mExit(exit) {}
+    ~ScopedExit() { mExit(); }
+
+  private:
+    std::function<void()> mExit;
+};
+
+struct Shader::CompilingState
+{
+    std::shared_ptr<rx::WaitableCompileEvent> compileEvent;
+    ShCompilerInstance shCompilerInstance;
+    egl::BlobCache::Key shaderHash;
+};
+
+ShaderState::ShaderState(ShaderType shaderType)
+    : mLabel(),
+      mShaderType(shaderType),
+      mShaderVersion(100),
+      mNumViews(-1),
+      mGeometryShaderInvocations(1),
+      mCompileStatus(CompileStatus::NOT_COMPILED)
+{
+    mLocalSize.fill(-1);
+}
+
+ShaderState::~ShaderState() {}
+
+Shader::Shader(ShaderProgramManager *manager,
+               rx::GLImplFactory *implFactory,
+               const gl::Limitations &rendererLimitations,
+               ShaderType type,
+               ShaderProgramID handle)
+    : mState(type),
+      mImplementation(implFactory->createShader(mState)),
+      mRendererLimitations(rendererLimitations),
+      mHandle(handle),
+      mType(type),
+      mRefCount(0),
+      mDeleteStatus(false),
+      mResourceManager(manager),
+      mCurrentMaxComputeWorkGroupInvocations(0u)
+{
+    ASSERT(mImplementation);
+}
+
+void Shader::onDestroy(const gl::Context *context)
+{
+    resolveCompile(context);
+    mImplementation->destroy();
+    mBoundCompiler.set(context, nullptr);
+    mImplementation.reset(nullptr);
+    delete this;
+}
+
+Shader::~Shader()
+{
+    ASSERT(!mImplementation);
+}
+
+angle::Result Shader::setLabel(const Context *context, const std::string &label)
+{
+    mState.mLabel = label;
+
+    if (mImplementation)
+    {
+        return mImplementation->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &Shader::getLabel() const
+{
+    return mState.mLabel;
+}
+
+ShaderProgramID Shader::getHandle() const
+{
+    return mHandle;
+}
+
+void Shader::setSource(GLsizei count, const char *const *string, const GLint *length)
+{
+    std::ostringstream stream;
+
+    for (int i = 0; i < count; i++)
+    {
+        if (length == nullptr || length[i] < 0)
+        {
+            stream.write(string[i], strlen(string[i]));
+        }
+        else
+        {
+            stream.write(string[i], length[i]);
+        }
+    }
+
+    mState.mSource = stream.str();
+}
+
+int Shader::getInfoLogLength(const Context *context)
+{
+    resolveCompile(context);
+    if (mInfoLog.empty())
+    {
+        return 0;
+    }
+
+    return (static_cast<int>(mInfoLog.length()) + 1);
+}
+
+void Shader::getInfoLog(const Context *context, GLsizei bufSize, GLsizei *length, char *infoLog)
+{
+    resolveCompile(context);
+
+    int index = 0;
+
+    if (bufSize > 0)
+    {
+        index = std::min(bufSize - 1, static_cast<GLsizei>(mInfoLog.length()));
+        memcpy(infoLog, mInfoLog.c_str(), index);
+
+        infoLog[index] = '\0';
+    }
+
+    if (length)
+    {
+        *length = index;
+    }
+}
+
+int Shader::getSourceLength() const
+{
+    return mState.mSource.empty() ? 0 : (static_cast<int>(mState.mSource.length()) + 1);
+}
+
+int Shader::getTranslatedSourceLength(const Context *context)
+{
+    resolveCompile(context);
+
+    if (mState.mTranslatedSource.empty())
+    {
+        return 0;
+    }
+
+    return (static_cast<int>(mState.mTranslatedSource.length()) + 1);
+}
+
+int Shader::getTranslatedSourceWithDebugInfoLength(const Context *context)
+{
+    resolveCompile(context);
+
+    const std::string &debugInfo = mImplementation->getDebugInfo();
+    if (debugInfo.empty())
+    {
+        return 0;
+    }
+
+    return (static_cast<int>(debugInfo.length()) + 1);
+}
+
+// static
+void Shader::GetSourceImpl(const std::string &source,
+                           GLsizei bufSize,
+                           GLsizei *length,
+                           char *buffer)
+{
+    int index = 0;
+
+    if (bufSize > 0)
+    {
+        index = std::min(bufSize - 1, static_cast<GLsizei>(source.length()));
+        memcpy(buffer, source.c_str(), index);
+
+        buffer[index] = '\0';
+    }
+
+    if (length)
+    {
+        *length = index;
+    }
+}
+
+void Shader::getSource(GLsizei bufSize, GLsizei *length, char *buffer) const
+{
+    GetSourceImpl(mState.mSource, bufSize, length, buffer);
+}
+
+void Shader::getTranslatedSource(const Context *context,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 char *buffer)
+{
+    GetSourceImpl(getTranslatedSource(context), bufSize, length, buffer);
+}
+
+const std::string &Shader::getTranslatedSource(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mTranslatedSource;
+}
+
+const sh::BinaryBlob &Shader::getCompiledBinary(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mCompiledBinary;
+}
+
+void Shader::getTranslatedSourceWithDebugInfo(const Context *context,
+                                              GLsizei bufSize,
+                                              GLsizei *length,
+                                              char *buffer)
+{
+    resolveCompile(context);
+    const std::string &debugInfo = mImplementation->getDebugInfo();
+    GetSourceImpl(debugInfo, bufSize, length, buffer);
+}
+
+void Shader::compile(const Context *context)
+{
+    resolveCompile(context);
+
+    mState.mTranslatedSource.clear();
+    mState.mCompiledBinary.clear();
+    mInfoLog.clear();
+    mState.mShaderVersion = 100;
+    mState.mInputVaryings.clear();
+    mState.mOutputVaryings.clear();
+    mState.mUniforms.clear();
+    mState.mUniformBlocks.clear();
+    mState.mShaderStorageBlocks.clear();
+    mState.mActiveAttributes.clear();
+    mState.mActiveOutputVariables.clear();
+    mState.mNumViews = -1;
+    mState.mGeometryShaderInputPrimitiveType.reset();
+    mState.mGeometryShaderOutputPrimitiveType.reset();
+    mState.mGeometryShaderMaxVertices.reset();
+    mState.mGeometryShaderInvocations = 1;
+    mState.mTessControlShaderVertices = 0;
+    mState.mTessGenMode               = 0;
+    mState.mTessGenSpacing            = 0;
+    mState.mTessGenVertexOrder        = 0;
+    mState.mTessGenPointMode          = 0;
+    mState.mAdvancedBlendEquations.reset();
+    mState.mHasDiscard              = false;
+    mState.mEnablesPerSampleShading = false;
+    mState.mSpecConstUsageBits.reset();
+
+    mCurrentMaxComputeWorkGroupInvocations =
+        static_cast<GLuint>(context->getCaps().maxComputeWorkGroupInvocations);
+    mMaxComputeSharedMemory = context->getCaps().maxComputeSharedMemorySize;
+
+    ShCompileOptions options = {};
+    options.objectCode       = true;
+    options.variables        = true;
+    options.emulateGLDrawID  = true;
+
+    // Add default options to WebGL shaders to prevent unexpected behavior during
+    // compilation.
+    if (context->isWebGL())
+    {
+        options.initGLPosition             = true;
+        options.limitCallStackDepth        = true;
+        options.limitExpressionComplexity  = true;
+        options.enforcePackingRestrictions = true;
+        options.initSharedVariables        = true;
+    }
+    else
+    {
+        // Per https://github.com/KhronosGroup/WebGL/pull/3278 gl_BaseVertex/gl_BaseInstance are
+        // removed from WebGL
+        options.emulateGLBaseVertexBaseInstance = true;
+    }
+
+    // Some targets (e.g. D3D11 Feature Level 9_3 and below) do not support non-constant loop
+    // indexes in fragment shaders. Shader compilation will fail. To provide a better error
+    // message we can instruct the compiler to pre-validate.
+    if (mRendererLimitations.shadersRequireIndexedLoopValidation)
+    {
+        options.validateLoopIndexing = true;
+    }
+
+    if (context->getFrontendFeatures().scalarizeVecAndMatConstructorArgs.enabled)
+    {
+        options.scalarizeVecAndMatConstructorArgs = true;
+    }
+
+    if (context->getFrontendFeatures().forceInitShaderVariables.enabled)
+    {
+        options.initOutputVariables           = true;
+        options.initializeUninitializedLocals = true;
+    }
+
+    mBoundCompiler.set(context, context->getCompiler());
+
+    ASSERT(mBoundCompiler.get());
+    ShCompilerInstance compilerInstance = mBoundCompiler->getInstance(mState.mShaderType);
+    ShHandle compilerHandle             = compilerInstance.getHandle();
+    ASSERT(compilerHandle);
+    mCompilerResourcesString = compilerInstance.getBuiltinResourcesString();
+
+    // Find a shader in Blob Cache
+    egl::BlobCache::Key shaderHash = {0};
+    MemoryShaderCache *shaderCache = context->getMemoryShaderCache();
+    if (shaderCache)
+    {
+        angle::Result cacheResult =
+            shaderCache->getShader(context, this, options, compilerInstance, &shaderHash);
+
+        if (cacheResult == angle::Result::Continue)
+        {
+            compilerInstance.destroy();
+            return;
+        }
+    }
+
+    // Cache load failed, fall through normal compiling.
+    mState.mCompileStatus = CompileStatus::COMPILE_REQUESTED;
+    mCompilingState.reset(new CompilingState());
+    mCompilingState->shCompilerInstance = std::move(compilerInstance);
+    mCompilingState->shaderHash         = shaderHash;
+    mCompilingState->compileEvent =
+        mImplementation->compile(context, &(mCompilingState->shCompilerInstance), &options);
+}
+
+void Shader::resolveCompile(const Context *context)
+{
+    if (!mState.compilePending())
+    {
+        return;
+    }
+
+    ASSERT(mCompilingState.get());
+
+    mCompilingState->compileEvent->wait();
+
+    mInfoLog += mCompilingState->compileEvent->getInfoLog();
+
+    ScopedExit exit([this]() {
+        mBoundCompiler->putInstance(std::move(mCompilingState->shCompilerInstance));
+        mCompilingState->compileEvent.reset();
+        mCompilingState.reset();
+    });
+
+    ShHandle compilerHandle = mCompilingState->shCompilerInstance.getHandle();
+    if (!mCompilingState->compileEvent->getResult())
+    {
+        mInfoLog += sh::GetInfoLog(compilerHandle);
+        INFO() << std::endl << mInfoLog;
+        mState.mCompileStatus = CompileStatus::NOT_COMPILED;
+        return;
+    }
+
+    const ShShaderOutput outputType = mCompilingState->shCompilerInstance.getShaderOutputType();
+    const bool isBinaryOutput =
+        outputType == SH_SPIRV_VULKAN_OUTPUT || outputType == SH_SPIRV_METAL_OUTPUT;
+
+    if (isBinaryOutput)
+    {
+        mState.mCompiledBinary = sh::GetObjectBinaryBlob(compilerHandle);
+    }
+    else
+    {
+        mState.mTranslatedSource = sh::GetObjectCode(compilerHandle);
+
+#if !defined(NDEBUG)
+        // Prefix translated shader with commented out un-translated shader.
+        // Useful in diagnostics tools which capture the shader source.
+        std::ostringstream shaderStream;
+        shaderStream << "// GLSL\n";
+        shaderStream << "//\n";
+
+        std::istringstream inputSourceStream(mState.mSource);
+        std::string line;
+        while (std::getline(inputSourceStream, line))
+        {
+            // Remove null characters from the source line
+            line.erase(std::remove(line.begin(), line.end(), '\0'), line.end());
+
+            shaderStream << "// " << line;
+
+            // glslang complains if a comment ends with backslash
+            if (!line.empty() && line.back() == '\\')
+            {
+                shaderStream << "\\";
+            }
+
+            shaderStream << std::endl;
+        }
+        shaderStream << "\n\n";
+        shaderStream << mState.mTranslatedSource;
+        mState.mTranslatedSource = shaderStream.str();
+#endif  // !defined(NDEBUG)
+    }
+
+    // Gather the shader information
+    mState.mShaderVersion = sh::GetShaderVersion(compilerHandle);
+
+    mState.mUniforms            = GetShaderVariables(sh::GetUniforms(compilerHandle));
+    mState.mUniformBlocks       = GetShaderVariables(sh::GetUniformBlocks(compilerHandle));
+    mState.mShaderStorageBlocks = GetShaderVariables(sh::GetShaderStorageBlocks(compilerHandle));
+    mState.mSpecConstUsageBits =
+        rx::SpecConstUsageBits(sh::GetShaderSpecConstUsageBits(compilerHandle));
+
+    switch (mState.mShaderType)
+    {
+        case ShaderType::Compute:
+        {
+            mState.mAllAttributes    = GetShaderVariables(sh::GetAttributes(compilerHandle));
+            mState.mActiveAttributes = GetActiveShaderVariables(&mState.mAllAttributes);
+            mState.mLocalSize        = sh::GetComputeShaderLocalGroupSize(compilerHandle);
+            if (mState.mLocalSize.isDeclared())
+            {
+                angle::CheckedNumeric<uint32_t> checked_local_size_product(mState.mLocalSize[0]);
+                checked_local_size_product *= mState.mLocalSize[1];
+                checked_local_size_product *= mState.mLocalSize[2];
+
+                if (!checked_local_size_product.IsValid())
+                {
+                    WARN() << std::endl
+                           << "Integer overflow when computing the product of local_size_x, "
+                           << "local_size_y and local_size_z.";
+                    mState.mCompileStatus = CompileStatus::NOT_COMPILED;
+                    return;
+                }
+                if (checked_local_size_product.ValueOrDie() >
+                    mCurrentMaxComputeWorkGroupInvocations)
+                {
+                    WARN() << std::endl
+                           << "The total number of invocations within a work group exceeds "
+                           << "MAX_COMPUTE_WORK_GROUP_INVOCATIONS.";
+                    mState.mCompileStatus = CompileStatus::NOT_COMPILED;
+                    return;
+                }
+            }
+
+            unsigned int sharedMemSize = sh::GetShaderSharedMemorySize(compilerHandle);
+            if (sharedMemSize > mMaxComputeSharedMemory)
+            {
+                WARN() << std::endl << "Exceeded maximum shared memory size";
+                mState.mCompileStatus = CompileStatus::NOT_COMPILED;
+                return;
+            }
+            break;
+        }
+        case ShaderType::Vertex:
+        {
+            mState.mOutputVaryings   = GetShaderVariables(sh::GetOutputVaryings(compilerHandle));
+            mState.mAllAttributes    = GetShaderVariables(sh::GetAttributes(compilerHandle));
+            mState.mActiveAttributes = GetActiveShaderVariables(&mState.mAllAttributes);
+            mState.mNumViews         = sh::GetVertexShaderNumViews(compilerHandle);
+            break;
+        }
+        case ShaderType::Fragment:
+        {
+            mState.mAllAttributes    = GetShaderVariables(sh::GetAttributes(compilerHandle));
+            mState.mActiveAttributes = GetActiveShaderVariables(&mState.mAllAttributes);
+            mState.mInputVaryings    = GetShaderVariables(sh::GetInputVaryings(compilerHandle));
+            // TODO(jmadill): Figure out why we only sort in the FS, and if we need to.
+            std::sort(mState.mInputVaryings.begin(), mState.mInputVaryings.end(), CompareShaderVar);
+            mState.mActiveOutputVariables =
+                GetActiveShaderVariables(sh::GetOutputVariables(compilerHandle));
+            mState.mHasDiscard              = sh::HasDiscardInFragmentShader(compilerHandle);
+            mState.mEnablesPerSampleShading = sh::EnablesPerSampleShading(compilerHandle);
+            mState.mAdvancedBlendEquations =
+                BlendEquationBitSet(sh::GetAdvancedBlendEquations(compilerHandle));
+            break;
+        }
+        case ShaderType::Geometry:
+        {
+            mState.mInputVaryings  = GetShaderVariables(sh::GetInputVaryings(compilerHandle));
+            mState.mOutputVaryings = GetShaderVariables(sh::GetOutputVaryings(compilerHandle));
+
+            if (sh::HasValidGeometryShaderInputPrimitiveType(compilerHandle))
+            {
+                mState.mGeometryShaderInputPrimitiveType = FromGLenum<PrimitiveMode>(
+                    sh::GetGeometryShaderInputPrimitiveType(compilerHandle));
+            }
+            if (sh::HasValidGeometryShaderOutputPrimitiveType(compilerHandle))
+            {
+                mState.mGeometryShaderOutputPrimitiveType = FromGLenum<PrimitiveMode>(
+                    sh::GetGeometryShaderOutputPrimitiveType(compilerHandle));
+            }
+            if (sh::HasValidGeometryShaderMaxVertices(compilerHandle))
+            {
+                mState.mGeometryShaderMaxVertices =
+                    sh::GetGeometryShaderMaxVertices(compilerHandle);
+            }
+            mState.mGeometryShaderInvocations = sh::GetGeometryShaderInvocations(compilerHandle);
+            break;
+        }
+        case ShaderType::TessControl:
+        {
+            mState.mInputVaryings  = GetShaderVariables(sh::GetInputVaryings(compilerHandle));
+            mState.mOutputVaryings = GetShaderVariables(sh::GetOutputVaryings(compilerHandle));
+            mState.mTessControlShaderVertices = sh::GetTessControlShaderVertices(compilerHandle);
+            break;
+        }
+        case ShaderType::TessEvaluation:
+        {
+            mState.mInputVaryings  = GetShaderVariables(sh::GetInputVaryings(compilerHandle));
+            mState.mOutputVaryings = GetShaderVariables(sh::GetOutputVaryings(compilerHandle));
+            if (sh::HasValidTessGenMode(compilerHandle))
+            {
+                mState.mTessGenMode = sh::GetTessGenMode(compilerHandle);
+            }
+            if (sh::HasValidTessGenSpacing(compilerHandle))
+            {
+                mState.mTessGenSpacing = sh::GetTessGenSpacing(compilerHandle);
+            }
+            if (sh::HasValidTessGenVertexOrder(compilerHandle))
+            {
+                mState.mTessGenVertexOrder = sh::GetTessGenVertexOrder(compilerHandle);
+            }
+            if (sh::HasValidTessGenPointMode(compilerHandle))
+            {
+                mState.mTessGenPointMode = sh::GetTessGenPointMode(compilerHandle);
+            }
+            break;
+        }
+
+        default:
+            UNREACHABLE();
+    }
+
+    ASSERT(!mState.mTranslatedSource.empty() || !mState.mCompiledBinary.empty());
+
+    bool success          = mCompilingState->compileEvent->postTranslate(&mInfoLog);
+    mState.mCompileStatus = success ? CompileStatus::COMPILED : CompileStatus::NOT_COMPILED;
+
+    MemoryShaderCache *shaderCache = context->getMemoryShaderCache();
+    if (success && shaderCache)
+    {
+        // Save to the shader cache.
+        if (shaderCache->putShader(context, mCompilingState->shaderHash, this) !=
+            angle::Result::Continue)
+        {
+            ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                               "Failed to save compiled shader to memory shader cache.");
+        }
+    }
+}
+
+void Shader::addRef()
+{
+    mRefCount++;
+}
+
+void Shader::release(const Context *context)
+{
+    mRefCount--;
+
+    if (mRefCount == 0 && mDeleteStatus)
+    {
+        mResourceManager->deleteShader(context, mHandle);
+    }
+}
+
+unsigned int Shader::getRefCount() const
+{
+    return mRefCount;
+}
+
+bool Shader::isFlaggedForDeletion() const
+{
+    return mDeleteStatus;
+}
+
+void Shader::flagForDeletion()
+{
+    mDeleteStatus = true;
+}
+
+bool Shader::isCompiled(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mCompileStatus == CompileStatus::COMPILED;
+}
+
+bool Shader::isCompleted()
+{
+    return (!mState.compilePending() || mCompilingState->compileEvent->isReady());
+}
+
+int Shader::getShaderVersion(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mShaderVersion;
+}
+
+const std::vector<sh::ShaderVariable> &Shader::getInputVaryings(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getInputVaryings();
+}
+
+const std::vector<sh::ShaderVariable> &Shader::getOutputVaryings(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getOutputVaryings();
+}
+
+const std::vector<sh::ShaderVariable> &Shader::getUniforms(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getUniforms();
+}
+
+const std::vector<sh::InterfaceBlock> &Shader::getUniformBlocks(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getUniformBlocks();
+}
+
+const std::vector<sh::InterfaceBlock> &Shader::getShaderStorageBlocks(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getShaderStorageBlocks();
+}
+
+const std::vector<sh::ShaderVariable> &Shader::getActiveAttributes(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getActiveAttributes();
+}
+
+const std::vector<sh::ShaderVariable> &Shader::getAllAttributes(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getAllAttributes();
+}
+
+const std::vector<sh::ShaderVariable> &Shader::getActiveOutputVariables(const Context *context)
+{
+    resolveCompile(context);
+    return mState.getActiveOutputVariables();
+}
+
+std::string Shader::getTransformFeedbackVaryingMappedName(const Context *context,
+                                                          const std::string &tfVaryingName)
+{
+    ASSERT(mState.getShaderType() != ShaderType::Fragment &&
+           mState.getShaderType() != ShaderType::Compute);
+    const auto &varyings = getOutputVaryings(context);
+    auto bracketPos      = tfVaryingName.find("[");
+    if (bracketPos != std::string::npos)
+    {
+        auto tfVaryingBaseName = tfVaryingName.substr(0, bracketPos);
+        for (const auto &varying : varyings)
+        {
+            if (varying.name == tfVaryingBaseName)
+            {
+                std::string mappedNameWithArrayIndex =
+                    varying.mappedName + tfVaryingName.substr(bracketPos);
+                return mappedNameWithArrayIndex;
+            }
+        }
+    }
+    else
+    {
+        for (const auto &varying : varyings)
+        {
+            if (varying.name == tfVaryingName)
+            {
+                return varying.mappedName;
+            }
+            else if (varying.isStruct())
+            {
+                GLuint fieldIndex = 0;
+                const auto *field = varying.findField(tfVaryingName, &fieldIndex);
+                if (field == nullptr)
+                {
+                    continue;
+                }
+                ASSERT(field != nullptr && !field->isStruct() &&
+                       (!field->isArray() || varying.isShaderIOBlock));
+                std::string mappedName;
+                // If it's an I/O block without an instance name, don't include the block name.
+                if (!varying.isShaderIOBlock || !varying.name.empty())
+                {
+                    mappedName = varying.isShaderIOBlock ? varying.mappedStructOrBlockName
+                                                         : varying.mappedName;
+                    mappedName += '.';
+                }
+                return mappedName + field->mappedName;
+            }
+        }
+    }
+    UNREACHABLE();
+    return std::string();
+}
+
+const sh::WorkGroupSize &Shader::getWorkGroupSize(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mLocalSize;
+}
+
+int Shader::getNumViews(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mNumViews;
+}
+
+Optional<PrimitiveMode> Shader::getGeometryShaderInputPrimitiveType(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mGeometryShaderInputPrimitiveType;
+}
+
+Optional<PrimitiveMode> Shader::getGeometryShaderOutputPrimitiveType(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mGeometryShaderOutputPrimitiveType;
+}
+
+int Shader::getGeometryShaderInvocations(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mGeometryShaderInvocations;
+}
+
+Optional<GLint> Shader::getGeometryShaderMaxVertices(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mGeometryShaderMaxVertices;
+}
+
+int Shader::getTessControlShaderVertices(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mTessControlShaderVertices;
+}
+
+GLenum Shader::getTessGenMode(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mTessGenMode;
+}
+
+GLenum Shader::getTessGenSpacing(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mTessGenSpacing;
+}
+
+GLenum Shader::getTessGenVertexOrder(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mTessGenVertexOrder;
+}
+
+GLenum Shader::getTessGenPointMode(const Context *context)
+{
+    resolveCompile(context);
+    return mState.mTessGenPointMode;
+}
+
+const std::string &Shader::getCompilerResourcesString() const
+{
+    return mCompilerResourcesString;
+}
+
+angle::Result Shader::serialize(const Context *context, angle::MemoryBuffer *binaryOut) const
+{
+    BinaryOutputStream stream;
+
+    stream.writeInt(kShaderCacheIdentifier);
+    stream.writeString(mState.mLabel);
+    stream.writeInt(mState.mShaderVersion);
+    stream.writeString(mCompilerResourcesString);
+
+    stream.writeInt(mState.mUniforms.size());
+    for (const sh::ShaderVariable &shaderVariable : mState.mUniforms)
+    {
+        WriteShaderVar(&stream, shaderVariable);
+    }
+
+    stream.writeInt(mState.mUniformBlocks.size());
+    for (const sh::InterfaceBlock &interfaceBlock : mState.mUniformBlocks)
+    {
+        WriteInterfaceBlock(&stream, interfaceBlock);
+    }
+
+    stream.writeInt(mState.mShaderStorageBlocks.size());
+    for (const sh::InterfaceBlock &interfaceBlock : mState.mShaderStorageBlocks)
+    {
+        WriteInterfaceBlock(&stream, interfaceBlock);
+    }
+
+    stream.writeInt(mState.mSpecConstUsageBits.bits());
+
+    switch (mType)
+    {
+        case ShaderType::Compute:
+        {
+            stream.writeInt(mState.mAllAttributes.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mAllAttributes)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mActiveAttributes.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mActiveAttributes)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mLocalSize[0]);
+            stream.writeInt(mState.mLocalSize[1]);
+            stream.writeInt(mState.mLocalSize[2]);
+            break;
+        }
+
+        case ShaderType::Vertex:
+        {
+            stream.writeInt(mState.mOutputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mAllAttributes.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mAllAttributes)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mActiveAttributes.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mActiveAttributes)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mNumViews);
+            break;
+        }
+        case ShaderType::Fragment:
+        {
+            stream.writeInt(mState.mInputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mActiveOutputVariables.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mActiveOutputVariables)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeBool(mState.mEnablesPerSampleShading);
+            stream.writeInt(mState.mAdvancedBlendEquations.bits());
+            break;
+        }
+        case ShaderType::Geometry:
+        {
+            bool valid;
+
+            stream.writeInt(mState.mInputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mOutputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+
+            valid = (bool)mState.mGeometryShaderInputPrimitiveType.valid();
+            stream.writeBool(valid);
+            if (valid)
+            {
+                unsigned char value =
+                    (unsigned char)mState.mGeometryShaderInputPrimitiveType.value();
+                stream.writeBytes(&value, 1);
+            }
+            valid = (bool)mState.mGeometryShaderOutputPrimitiveType.valid();
+            stream.writeBool(valid);
+            if (valid)
+            {
+                unsigned char value =
+                    (unsigned char)mState.mGeometryShaderOutputPrimitiveType.value();
+                stream.writeBytes(&value, 1);
+            }
+            valid = mState.mGeometryShaderMaxVertices.valid();
+            stream.writeBool(valid);
+            if (valid)
+            {
+                int value = (int)mState.mGeometryShaderMaxVertices.value();
+                stream.writeInt(value);
+            }
+
+            stream.writeInt(mState.mGeometryShaderInvocations);
+            break;
+        }
+        case ShaderType::TessControl:
+        {
+            stream.writeInt(mState.mInputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mOutputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mTessControlShaderVertices);
+            break;
+        }
+        case ShaderType::TessEvaluation:
+        {
+            unsigned int value;
+
+            stream.writeInt(mState.mInputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+            stream.writeInt(mState.mOutputVaryings.size());
+            for (const sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                WriteShaderVar(&stream, shaderVariable);
+            }
+
+            value = (unsigned int)(mState.mTessGenMode);
+            stream.writeInt(value);
+
+            value = (unsigned int)mState.mTessGenSpacing;
+            stream.writeInt(value);
+
+            value = (unsigned int)mState.mTessGenVertexOrder;
+            stream.writeInt(value);
+
+            value = (unsigned int)mState.mTessGenPointMode;
+            stream.writeInt(value);
+            break;
+        }
+        default:
+            UNREACHABLE();
+    }
+
+    stream.writeIntVector(mState.mCompiledBinary);
+    stream.writeEnum(mState.mCompileStatus);
+
+    ASSERT(binaryOut);
+    if (!binaryOut->resize(stream.length()))
+    {
+        std::stringstream sstream;
+        sstream << "Failed to allocate enough memory to serialize a shader. (" << stream.length()
+                << " bytes )";
+        ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_LOW,
+                           sstream.str().c_str());
+        return angle::Result::Incomplete;
+    }
+
+    memcpy(binaryOut->data(), stream.data(), stream.length());
+
+    return angle::Result::Continue;
+}
+
+angle::Result Shader::deserialize(const Context *context, BinaryInputStream &stream)
+{
+    size_t size;
+
+    if (stream.readInt<uint32_t>() != kShaderCacheIdentifier)
+    {
+        return angle::Result::Stop;
+    }
+
+    stream.readString(&mState.mLabel);
+    stream.readInt(&mState.mShaderVersion);
+    stream.readString(&mCompilerResourcesString);
+
+    size = stream.readInt<size_t>();
+    mState.mUniforms.resize(size);
+    for (sh::ShaderVariable &shaderVariable : mState.mUniforms)
+    {
+        LoadShaderVar(&stream, &shaderVariable);
+    }
+
+    size = stream.readInt<size_t>();
+    mState.mUniformBlocks.resize(size);
+    for (sh::InterfaceBlock &interfaceBlock : mState.mUniformBlocks)
+    {
+        LoadInterfaceBlock(&stream, interfaceBlock);
+    }
+
+    size = stream.readInt<size_t>();
+    mState.mShaderStorageBlocks.resize(size);
+    for (sh::InterfaceBlock &interfaceBlock : mState.mShaderStorageBlocks)
+    {
+        LoadInterfaceBlock(&stream, interfaceBlock);
+    }
+
+    mState.mSpecConstUsageBits = rx::SpecConstUsageBits(stream.readInt<uint32_t>());
+
+    switch (mType)
+    {
+        case ShaderType::Compute:
+        {
+            size = stream.readInt<size_t>();
+            mState.mAllAttributes.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mAllAttributes)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            size = stream.readInt<size_t>();
+            mState.mActiveAttributes.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mActiveAttributes)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            stream.readInt(&mState.mLocalSize[0]);
+            stream.readInt(&mState.mLocalSize[1]);
+            stream.readInt(&mState.mLocalSize[2]);
+            break;
+        }
+        case ShaderType::Vertex:
+        {
+            size = stream.readInt<size_t>();
+            mState.mOutputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            size = stream.readInt<size_t>();
+            mState.mAllAttributes.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mAllAttributes)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            size = stream.readInt<size_t>();
+            mState.mActiveAttributes.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mActiveAttributes)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            stream.readInt(&mState.mNumViews);
+            break;
+        }
+        case ShaderType::Fragment:
+        {
+            size = stream.readInt<size_t>();
+            mState.mInputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            size = stream.readInt<size_t>();
+            mState.mActiveOutputVariables.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mActiveOutputVariables)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            stream.readBool(&mState.mEnablesPerSampleShading);
+            int advancedBlendEquationBits;
+            stream.readInt(&advancedBlendEquationBits);
+            mState.mAdvancedBlendEquations = BlendEquationBitSet(advancedBlendEquationBits);
+            break;
+        }
+        case ShaderType::Geometry:
+        {
+            bool valid;
+
+            size = stream.readInt<size_t>();
+            mState.mInputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            size = stream.readInt<size_t>();
+            mState.mOutputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+
+            stream.readBool(&valid);
+            if (valid)
+            {
+                unsigned char value;
+                stream.readBytes(&value, 1);
+                mState.mGeometryShaderInputPrimitiveType = static_cast<PrimitiveMode>(value);
+            }
+            else
+            {
+                mState.mGeometryShaderInputPrimitiveType.reset();
+            }
+
+            stream.readBool(&valid);
+            if (valid)
+            {
+                unsigned char value;
+                stream.readBytes(&value, 1);
+                mState.mGeometryShaderOutputPrimitiveType = static_cast<PrimitiveMode>(value);
+            }
+            else
+            {
+                mState.mGeometryShaderOutputPrimitiveType.reset();
+            }
+
+            stream.readBool(&valid);
+            if (valid)
+            {
+                int value;
+                stream.readInt(&value);
+                mState.mGeometryShaderMaxVertices = static_cast<GLint>(value);
+            }
+            else
+            {
+                mState.mGeometryShaderMaxVertices.reset();
+            }
+
+            stream.readInt(&mState.mGeometryShaderInvocations);
+            break;
+        }
+        case ShaderType::TessControl:
+        {
+            size = stream.readInt<size_t>();
+            mState.mInputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            size = stream.readInt<size_t>();
+            mState.mOutputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            stream.readInt(&mState.mTessControlShaderVertices);
+            break;
+        }
+        case ShaderType::TessEvaluation:
+        {
+            unsigned int value;
+
+            size = stream.readInt<size_t>();
+            mState.mInputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mInputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+            size = stream.readInt<size_t>();
+            mState.mOutputVaryings.resize(size);
+            for (sh::ShaderVariable &shaderVariable : mState.mOutputVaryings)
+            {
+                LoadShaderVar(&stream, &shaderVariable);
+            }
+
+            stream.readInt(&value);
+            mState.mTessGenMode = (GLenum)value;
+
+            stream.readInt(&value);
+            mState.mTessGenSpacing = (GLenum)value;
+
+            stream.readInt(&value);
+            mState.mTessGenVertexOrder = (GLenum)value;
+
+            stream.readInt(&value);
+            mState.mTessGenPointMode = (GLenum)value;
+            break;
+        }
+        default:
+            UNREACHABLE();
+    }
+
+    stream.readIntVector<unsigned int>(&mState.mCompiledBinary);
+    mState.mCompileStatus = stream.readEnum<CompileStatus>();
+
+    return angle::Result::Continue;
+}
+
+angle::Result Shader::loadBinary(const Context *context, const void *binary, GLsizei length)
+{
+    BinaryInputStream stream(binary, length);
+    ANGLE_TRY(deserialize(context, stream));
+
+    return angle::Result::Continue;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Shader.h b/gfx/angle/checkout/src/libANGLE/Shader.h
new file mode 100644
index 0000000000..59b1f3cc3e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Shader.h
@@ -0,0 +1,305 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Shader.h: Defines the abstract gl::Shader class and its concrete derived
+// classes VertexShader and FragmentShader. Implements GL shader objects and
+// related functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section
+// 3.8 page 84.
+
+#ifndef LIBANGLE_SHADER_H_
+#define LIBANGLE_SHADER_H_
+
+#include <list>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <GLSLANG/ShaderLang.h>
+#include "angle_gl.h"
+
+#include "common/MemoryBuffer.h"
+#include "common/Optional.h"
+#include "common/angleutils.h"
+#include "libANGLE/BinaryStream.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Compiler.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+class GLImplFactory;
+class ShaderImpl;
+class ShaderSh;
+class WaitableCompileEvent;
+}  // namespace rx
+
+namespace angle
+{
+class WaitableEvent;
+class WorkerThreadPool;
+}  // namespace angle
+
+namespace gl
+{
+class CompileTask;
+class Context;
+class ShaderProgramManager;
+class State;
+class BinaryInputStream;
+class BinaryOutputStream;
+
+// We defer the compile until link time, or until properties are queried.
+enum class CompileStatus
+{
+    NOT_COMPILED,
+    COMPILE_REQUESTED,
+    COMPILED,
+};
+
+class ShaderState final : angle::NonCopyable
+{
+  public:
+    ShaderState(ShaderType shaderType);
+    ~ShaderState();
+
+    const std::string &getLabel() const { return mLabel; }
+
+    const std::string &getSource() const { return mSource; }
+    bool isCompiledToBinary() const { return !mCompiledBinary.empty(); }
+    const std::string &getTranslatedSource() const { return mTranslatedSource; }
+    const sh::BinaryBlob &getCompiledBinary() const { return mCompiledBinary; }
+
+    ShaderType getShaderType() const { return mShaderType; }
+    int getShaderVersion() const { return mShaderVersion; }
+
+    const std::vector<sh::ShaderVariable> &getInputVaryings() const { return mInputVaryings; }
+    const std::vector<sh::ShaderVariable> &getOutputVaryings() const { return mOutputVaryings; }
+    const std::vector<sh::ShaderVariable> &getUniforms() const { return mUniforms; }
+    const std::vector<sh::InterfaceBlock> &getUniformBlocks() const { return mUniformBlocks; }
+    const std::vector<sh::InterfaceBlock> &getShaderStorageBlocks() const
+    {
+        return mShaderStorageBlocks;
+    }
+    const std::vector<sh::ShaderVariable> &getActiveAttributes() const { return mActiveAttributes; }
+    const std::vector<sh::ShaderVariable> &getAllAttributes() const { return mAllAttributes; }
+    const std::vector<sh::ShaderVariable> &getActiveOutputVariables() const
+    {
+        return mActiveOutputVariables;
+    }
+
+    bool compilePending() const { return mCompileStatus == CompileStatus::COMPILE_REQUESTED; }
+
+    const sh::WorkGroupSize &getLocalSize() const { return mLocalSize; }
+
+    bool hasDiscard() const { return mHasDiscard; }
+    bool enablesPerSampleShading() const { return mEnablesPerSampleShading; }
+    rx::SpecConstUsageBits getSpecConstUsageBits() const { return mSpecConstUsageBits; }
+
+    int getNumViews() const { return mNumViews; }
+
+    Optional<PrimitiveMode> getGeometryShaderInputPrimitiveType() const
+    {
+        return mGeometryShaderInputPrimitiveType;
+    }
+
+    Optional<PrimitiveMode> getGeometryShaderOutputPrimitiveType() const
+    {
+        return mGeometryShaderOutputPrimitiveType;
+    }
+
+    Optional<GLint> geoGeometryShaderMaxVertices() const { return mGeometryShaderMaxVertices; }
+
+    Optional<GLint> getGeometryShaderInvocations() const { return mGeometryShaderInvocations; }
+
+    CompileStatus getCompileStatus() const { return mCompileStatus; }
+
+  private:
+    friend class Shader;
+
+    std::string mLabel;
+
+    ShaderType mShaderType;
+    int mShaderVersion;
+    std::string mTranslatedSource;
+    sh::BinaryBlob mCompiledBinary;
+    std::string mSource;
+
+    sh::WorkGroupSize mLocalSize;
+
+    std::vector<sh::ShaderVariable> mInputVaryings;
+    std::vector<sh::ShaderVariable> mOutputVaryings;
+    std::vector<sh::ShaderVariable> mUniforms;
+    std::vector<sh::InterfaceBlock> mUniformBlocks;
+    std::vector<sh::InterfaceBlock> mShaderStorageBlocks;
+    std::vector<sh::ShaderVariable> mAllAttributes;
+    std::vector<sh::ShaderVariable> mActiveAttributes;
+    std::vector<sh::ShaderVariable> mActiveOutputVariables;
+
+    bool mHasDiscard;
+    bool mEnablesPerSampleShading;
+    BlendEquationBitSet mAdvancedBlendEquations;
+    rx::SpecConstUsageBits mSpecConstUsageBits;
+
+    // ANGLE_multiview.
+    int mNumViews;
+
+    // Geometry Shader.
+    Optional<PrimitiveMode> mGeometryShaderInputPrimitiveType;
+    Optional<PrimitiveMode> mGeometryShaderOutputPrimitiveType;
+    Optional<GLint> mGeometryShaderMaxVertices;
+    int mGeometryShaderInvocations;
+
+    // Tessellation Shader
+    int mTessControlShaderVertices;
+    GLenum mTessGenMode;
+    GLenum mTessGenSpacing;
+    GLenum mTessGenVertexOrder;
+    GLenum mTessGenPointMode;
+
+    // Indicates if this shader has been successfully compiled
+    CompileStatus mCompileStatus;
+};
+
+class Shader final : angle::NonCopyable, public LabeledObject
+{
+  public:
+    Shader(ShaderProgramManager *manager,
+           rx::GLImplFactory *implFactory,
+           const gl::Limitations &rendererLimitations,
+           ShaderType type,
+           ShaderProgramID handle);
+
+    void onDestroy(const Context *context);
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    ShaderType getType() const { return mType; }
+    ShaderProgramID getHandle() const;
+
+    rx::ShaderImpl *getImplementation() const { return mImplementation.get(); }
+
+    void setSource(GLsizei count, const char *const *string, const GLint *length);
+    int getInfoLogLength(const Context *context);
+    void getInfoLog(const Context *context, GLsizei bufSize, GLsizei *length, char *infoLog);
+    std::string getInfoLogString() const { return mInfoLog; }
+    int getSourceLength() const;
+    const std::string &getSourceString() const { return mState.getSource(); }
+    void getSource(GLsizei bufSize, GLsizei *length, char *buffer) const;
+    int getTranslatedSourceLength(const Context *context);
+    int getTranslatedSourceWithDebugInfoLength(const Context *context);
+    const std::string &getTranslatedSource(const Context *context);
+    void getTranslatedSource(const Context *context,
+                             GLsizei bufSize,
+                             GLsizei *length,
+                             char *buffer);
+    void getTranslatedSourceWithDebugInfo(const Context *context,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          char *buffer);
+    const sh::BinaryBlob &getCompiledBinary(const Context *context);
+
+    void compile(const Context *context);
+    bool isCompiled(const Context *context);
+    bool isCompleted();
+
+    void addRef();
+    void release(const Context *context);
+    unsigned int getRefCount() const;
+    bool isFlaggedForDeletion() const;
+    void flagForDeletion();
+    bool hasDiscard() const { return mState.mHasDiscard; }
+    bool enablesPerSampleShading() const { return mState.mEnablesPerSampleShading; }
+    BlendEquationBitSet getAdvancedBlendEquations() const { return mState.mAdvancedBlendEquations; }
+    rx::SpecConstUsageBits getSpecConstUsageBits() const { return mState.mSpecConstUsageBits; }
+
+    int getShaderVersion(const Context *context);
+
+    const std::vector<sh::ShaderVariable> &getInputVaryings(const Context *context);
+    const std::vector<sh::ShaderVariable> &getOutputVaryings(const Context *context);
+    const std::vector<sh::ShaderVariable> &getUniforms(const Context *context);
+    const std::vector<sh::InterfaceBlock> &getUniformBlocks(const Context *context);
+    const std::vector<sh::InterfaceBlock> &getShaderStorageBlocks(const Context *context);
+    const std::vector<sh::ShaderVariable> &getActiveAttributes(const Context *context);
+    const std::vector<sh::ShaderVariable> &getAllAttributes(const Context *context);
+    const std::vector<sh::ShaderVariable> &getActiveOutputVariables(const Context *context);
+
+    // Returns mapped name of a transform feedback varying. The original name may contain array
+    // brackets with an index inside, which will get copied to the mapped name. The varying must be
+    // known to be declared in the shader.
+    std::string getTransformFeedbackVaryingMappedName(const Context *context,
+                                                      const std::string &tfVaryingName);
+
+    const sh::WorkGroupSize &getWorkGroupSize(const Context *context);
+
+    int getNumViews(const Context *context);
+
+    Optional<PrimitiveMode> getGeometryShaderInputPrimitiveType(const Context *context);
+    Optional<PrimitiveMode> getGeometryShaderOutputPrimitiveType(const Context *context);
+    int getGeometryShaderInvocations(const Context *context);
+    Optional<GLint> getGeometryShaderMaxVertices(const Context *context);
+    int getTessControlShaderVertices(const Context *context);
+    GLenum getTessGenMode(const Context *context);
+    GLenum getTessGenSpacing(const Context *context);
+    GLenum getTessGenVertexOrder(const Context *context);
+    GLenum getTessGenPointMode(const Context *context);
+
+    const std::string &getCompilerResourcesString() const;
+
+    const ShaderState &getState() const { return mState; }
+
+    GLuint getCurrentMaxComputeWorkGroupInvocations() const
+    {
+        return mCurrentMaxComputeWorkGroupInvocations;
+    }
+
+    unsigned int getMaxComputeSharedMemory() const { return mMaxComputeSharedMemory; }
+    bool hasBeenDeleted() const { return mDeleteStatus; }
+
+    // Block until compiling is finished and resolve it.
+    void resolveCompile(const Context *context);
+
+    // Writes a shader's binary to the output memory buffer.
+    angle::Result serialize(const Context *context, angle::MemoryBuffer *binaryOut) const;
+    angle::Result deserialize(const Context *context, BinaryInputStream &stream);
+    angle::Result loadBinary(const Context *context, const void *binary, GLsizei length);
+
+  private:
+    struct CompilingState;
+
+    ~Shader() override;
+    static void GetSourceImpl(const std::string &source,
+                              GLsizei bufSize,
+                              GLsizei *length,
+                              char *buffer);
+
+    ShaderState mState;
+    std::unique_ptr<rx::ShaderImpl> mImplementation;
+    const gl::Limitations mRendererLimitations;
+    const ShaderProgramID mHandle;
+    const ShaderType mType;
+    unsigned int mRefCount;  // Number of program objects this shader is attached to
+    bool mDeleteStatus;  // Flag to indicate that the shader can be deleted when no longer in use
+    std::string mInfoLog;
+
+    // We keep a reference to the translator in order to defer compiles while preserving settings.
+    BindingPointer<Compiler> mBoundCompiler;
+    std::unique_ptr<CompilingState> mCompilingState;
+    std::string mCompilerResourcesString;
+
+    ShaderProgramManager *mResourceManager;
+
+    GLuint mCurrentMaxComputeWorkGroupInvocations;
+    unsigned int mMaxComputeSharedMemory;
+};
+
+bool CompareShaderVar(const sh::ShaderVariable &x, const sh::ShaderVariable &y);
+
+const char *GetShaderTypeString(ShaderType type);
+}  // namespace gl
+
+#endif  // LIBANGLE_SHADER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/SizedMRUCache.h b/gfx/angle/checkout/src/libANGLE/SizedMRUCache.h
new file mode 100644
index 0000000000..b557e657ec
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/SizedMRUCache.h
@@ -0,0 +1,156 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// SizedMRUCache.h: A hashing map that stores blobs of sized, untyped data.
+
+#ifndef LIBANGLE_SIZED_MRU_CACHE_H_
+#define LIBANGLE_SIZED_MRU_CACHE_H_
+
+#include <anglebase/containers/mru_cache.h>
+
+namespace angle
+{
+
+template <typename Key, typename Value>
+class SizedMRUCache final : angle::NonCopyable
+{
+  public:
+    SizedMRUCache(size_t maximumTotalSize)
+        : mMaximumTotalSize(maximumTotalSize),
+          mCurrentSize(0),
+          mStore(SizedMRUCacheStore::NO_AUTO_EVICT)
+    {}
+
+    // Returns nullptr on failure.
+    const Value *put(const Key &key, Value &&value, size_t size)
+    {
+        if (size > mMaximumTotalSize)
+        {
+            return nullptr;
+        }
+
+        // Check for existing key.
+        eraseByKey(key);
+
+        auto retVal = mStore.Put(key, ValueAndSize(std::move(value), size));
+        mCurrentSize += size;
+
+        shrinkToSize(mMaximumTotalSize);
+
+        return &retVal->second.value;
+    }
+
+    bool get(const Key &key, const Value **valueOut)
+    {
+        const auto &iter = mStore.Get(key);
+        if (iter == mStore.end())
+        {
+            return false;
+        }
+        *valueOut = &iter->second.value;
+        return true;
+    }
+
+    bool getAt(size_t index, const Key **keyOut, const Value **valueOut)
+    {
+        if (index < mStore.size())
+        {
+            auto it = mStore.begin();
+            std::advance(it, index);
+            *keyOut   = &it->first;
+            *valueOut = &it->second.value;
+            return true;
+        }
+        *valueOut = nullptr;
+        return false;
+    }
+
+    bool empty() const { return mStore.empty(); }
+
+    void clear()
+    {
+        mStore.Clear();
+        mCurrentSize = 0;
+    }
+
+    void eraseByKey(const Key &key)
+    {
+        // Check for existing key.
+        auto existing = mStore.Peek(key);
+        if (existing != mStore.end())
+        {
+            mCurrentSize -= existing->second.size;
+            mStore.Erase(existing);
+        }
+    }
+
+    size_t entryCount() const { return mStore.size(); }
+
+    size_t size() const { return mCurrentSize; }
+
+    // Also discards the cache contents.
+    void resize(size_t maximumTotalSize)
+    {
+        clear();
+        mMaximumTotalSize = maximumTotalSize;
+    }
+
+    // Reduce current memory usage.
+    size_t shrinkToSize(size_t limit)
+    {
+        size_t initialSize = mCurrentSize;
+
+        while (mCurrentSize > limit)
+        {
+            ASSERT(!mStore.empty());
+            auto iter = mStore.rbegin();
+            mCurrentSize -= iter->second.size;
+            mStore.Erase(iter);
+        }
+
+        return (initialSize - mCurrentSize);
+    }
+
+    size_t maxSize() const { return mMaximumTotalSize; }
+
+  private:
+    struct ValueAndSize
+    {
+        ValueAndSize() : value(), size(0) {}
+        ValueAndSize(Value &&value, size_t size) : value(std::move(value)), size(size) {}
+        ValueAndSize(ValueAndSize &&other) : ValueAndSize() { *this = std::move(other); }
+        ValueAndSize &operator=(ValueAndSize &&other)
+        {
+            std::swap(value, other.value);
+            std::swap(size, other.size);
+            return *this;
+        }
+
+        Value value;
+        size_t size;
+    };
+
+    using SizedMRUCacheStore = base::HashingMRUCache<Key, ValueAndSize>;
+
+    size_t mMaximumTotalSize;
+    size_t mCurrentSize;
+    SizedMRUCacheStore mStore;
+};
+
+// Helper function used in a few places.
+template <typename T>
+void TrimCache(size_t maxStates, size_t gcLimit, const char *name, T *cache)
+{
+    const size_t kGarbageCollectionLimit = maxStates / 2 + gcLimit;
+
+    if (cache->size() >= kGarbageCollectionLimit)
+    {
+        WARN() << "Overflowed the " << name << " cache limit of " << (maxStates / 2)
+               << " elements, removing the least recently used to make room.";
+        cache->ShrinkToSize(maxStates / 2);
+    }
+}
+}  // namespace angle
+#endif  // LIBANGLE_SIZED_MRU_CACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/State.cpp b/gfx/angle/checkout/src/libANGLE/State.cpp
new file mode 100644
index 0000000000..8f99a238a6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/State.cpp
@@ -0,0 +1,3866 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// State.cpp: Implements the State class, encapsulating raw GL state.
+
+#include "libANGLE/State.h"
+
+#include <string.h>
+#include <limits>
+
+#include "common/bitset_utils.h"
+#include "common/mathutil.h"
+#include "common/matrix_utils.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/PixelLocalStorage.h"
+#include "libANGLE/Query.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/queryutils.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/TextureImpl.h"
+
+namespace gl
+{
+
+namespace
+{
+bool GetAlternativeQueryType(QueryType type, QueryType *alternativeType)
+{
+    switch (type)
+    {
+        case QueryType::AnySamples:
+            *alternativeType = QueryType::AnySamplesConservative;
+            return true;
+        case QueryType::AnySamplesConservative:
+            *alternativeType = QueryType::AnySamples;
+            return true;
+        default:
+            return false;
+    }
+}
+
+// Mapping from a buffer binding type to a dirty bit type.
+constexpr angle::PackedEnumMap<BufferBinding, size_t> kBufferBindingDirtyBits = {{
+    {BufferBinding::AtomicCounter, State::DIRTY_BIT_ATOMIC_COUNTER_BUFFER_BINDING},
+    {BufferBinding::DispatchIndirect, State::DIRTY_BIT_DISPATCH_INDIRECT_BUFFER_BINDING},
+    {BufferBinding::DrawIndirect, State::DIRTY_BIT_DRAW_INDIRECT_BUFFER_BINDING},
+    {BufferBinding::PixelPack, State::DIRTY_BIT_PACK_BUFFER_BINDING},
+    {BufferBinding::PixelUnpack, State::DIRTY_BIT_UNPACK_BUFFER_BINDING},
+    {BufferBinding::ShaderStorage, State::DIRTY_BIT_SHADER_STORAGE_BUFFER_BINDING},
+    {BufferBinding::Uniform, State::DIRTY_BIT_UNIFORM_BUFFER_BINDINGS},
+}};
+
+// Returns a buffer binding function depending on if a dirty bit is set.
+template <BufferBinding Target>
+constexpr std::pair<BufferBinding, State::BufferBindingSetter> GetBufferBindingSetter()
+{
+    return std::make_pair(Target, kBufferBindingDirtyBits[Target] != 0
+                                      ? &State::setGenericBufferBindingWithBit<Target>
+                                      : &State::setGenericBufferBinding<Target>);
+}
+
+template <typename T>
+using ContextStateMember = T *(State::*);
+
+template <typename T>
+T *AllocateOrGetSharedResourceManager(const State *shareContextState,
+                                      ContextStateMember<T> member,
+                                      T *shareResources = nullptr)
+{
+    if (shareContextState)
+    {
+        T *resourceManager = (*shareContextState).*member;
+        ASSERT(!resourceManager || resourceManager == shareResources || !shareResources);
+        resourceManager->addRef();
+        return resourceManager;
+    }
+    else if (shareResources)
+    {
+        shareResources->addRef();
+        return shareResources;
+    }
+    else
+    {
+        return new T();
+    }
+}
+
+// TODO(https://anglebug.com/3889): Remove this helper function after blink and chromium part
+// refactory done.
+bool IsTextureCompatibleWithSampler(TextureType texture, TextureType sampler)
+{
+    if (sampler == texture)
+    {
+        return true;
+    }
+
+    if (sampler == TextureType::VideoImage)
+    {
+        if (texture == TextureType::VideoImage || texture == TextureType::_2D)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+uint32_t gIDCounter = 1;
+}  // namespace
+
+template <typename BindingT, typename... ArgsT>
+ANGLE_INLINE void UpdateNonTFBufferBindingWebGL(const Context *context,
+                                                BindingT *binding,
+                                                Buffer *buffer,
+                                                ArgsT... args)
+{
+    Buffer *oldBuffer = binding->get();
+    if (oldBuffer)
+    {
+        oldBuffer->onNonTFBindingChanged(-1);
+        oldBuffer->release(context);
+    }
+    binding->assign(buffer, args...);
+    if (buffer)
+    {
+        buffer->addRef();
+        buffer->onNonTFBindingChanged(1);
+    }
+}
+
+template <typename BindingT, typename... ArgsT>
+void UpdateTFBufferBindingWebGL(const Context *context,
+                                BindingT *binding,
+                                bool indexed,
+                                ArgsT... args)
+{
+    if (binding->get())
+        (*binding)->onTFBindingChanged(context, false, indexed);
+    binding->set(context, args...);
+    if (binding->get())
+        (*binding)->onTFBindingChanged(context, true, indexed);
+}
+
+void UpdateBufferBinding(const Context *context,
+                         BindingPointer<Buffer> *binding,
+                         Buffer *buffer,
+                         BufferBinding target)
+{
+    if (context->isWebGL())
+    {
+        if (target == BufferBinding::TransformFeedback)
+        {
+            UpdateTFBufferBindingWebGL(context, binding, false, buffer);
+        }
+        else
+        {
+            UpdateNonTFBufferBindingWebGL(context, binding, buffer);
+        }
+    }
+    else
+    {
+        binding->set(context, buffer);
+    }
+}
+
+void UpdateIndexedBufferBinding(const Context *context,
+                                OffsetBindingPointer<Buffer> *binding,
+                                Buffer *buffer,
+                                BufferBinding target,
+                                GLintptr offset,
+                                GLsizeiptr size)
+{
+    if (context->isWebGL())
+    {
+        if (target == BufferBinding::TransformFeedback)
+        {
+            UpdateTFBufferBindingWebGL(context, binding, true, buffer, offset, size);
+        }
+        else
+        {
+            UpdateNonTFBufferBindingWebGL(context, binding, buffer, offset, size);
+        }
+    }
+    else
+    {
+        binding->set(context, buffer, offset, size);
+    }
+}
+
+// These template functions must be defined before they are instantiated in kBufferSetters.
+template <BufferBinding Target>
+void State::setGenericBufferBindingWithBit(const Context *context, Buffer *buffer)
+{
+    if (context->isWebGL())
+    {
+        UpdateNonTFBufferBindingWebGL(context, &mBoundBuffers[Target], buffer);
+    }
+    else
+    {
+        mBoundBuffers[Target].set(context, buffer);
+    }
+    mDirtyBits.set(kBufferBindingDirtyBits[Target]);
+}
+
+template <BufferBinding Target>
+void State::setGenericBufferBinding(const Context *context, Buffer *buffer)
+{
+    if (context->isWebGL())
+    {
+        UpdateNonTFBufferBindingWebGL(context, &mBoundBuffers[Target], buffer);
+    }
+    else
+    {
+        mBoundBuffers[Target].set(context, buffer);
+    }
+}
+
+template <>
+void State::setGenericBufferBinding<BufferBinding::TransformFeedback>(const Context *context,
+                                                                      Buffer *buffer)
+{
+    if (context->isWebGL())
+    {
+        UpdateTFBufferBindingWebGL(context, &mBoundBuffers[BufferBinding::TransformFeedback], false,
+                                   buffer);
+    }
+    else
+    {
+        mBoundBuffers[BufferBinding::TransformFeedback].set(context, buffer);
+    }
+}
+
+template <>
+void State::setGenericBufferBinding<BufferBinding::ElementArray>(const Context *context,
+                                                                 Buffer *buffer)
+{
+    Buffer *oldBuffer = mVertexArray->mState.mElementArrayBuffer.get();
+    if (oldBuffer)
+    {
+        oldBuffer->removeObserver(&mVertexArray->mState.mElementArrayBuffer);
+        oldBuffer->removeContentsObserver(mVertexArray, kElementArrayBufferIndex);
+        if (context->isWebGL())
+        {
+            oldBuffer->onNonTFBindingChanged(-1);
+        }
+        oldBuffer->release(context);
+    }
+    mVertexArray->mState.mElementArrayBuffer.assign(buffer);
+    if (buffer)
+    {
+        buffer->addObserver(&mVertexArray->mState.mElementArrayBuffer);
+        buffer->addContentsObserver(mVertexArray, kElementArrayBufferIndex);
+        if (context->isWebGL())
+        {
+            buffer->onNonTFBindingChanged(1);
+        }
+        buffer->addRef();
+    }
+    mVertexArray->mDirtyBits.set(VertexArray::DIRTY_BIT_ELEMENT_ARRAY_BUFFER);
+    mVertexArray->mIndexRangeCache.invalidate();
+    mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+}
+
+const angle::PackedEnumMap<BufferBinding, State::BufferBindingSetter> State::kBufferSetters = {{
+    GetBufferBindingSetter<BufferBinding::Array>(),
+    GetBufferBindingSetter<BufferBinding::AtomicCounter>(),
+    GetBufferBindingSetter<BufferBinding::CopyRead>(),
+    GetBufferBindingSetter<BufferBinding::CopyWrite>(),
+    GetBufferBindingSetter<BufferBinding::DispatchIndirect>(),
+    GetBufferBindingSetter<BufferBinding::DrawIndirect>(),
+    GetBufferBindingSetter<BufferBinding::ElementArray>(),
+    GetBufferBindingSetter<BufferBinding::PixelPack>(),
+    GetBufferBindingSetter<BufferBinding::PixelUnpack>(),
+    GetBufferBindingSetter<BufferBinding::ShaderStorage>(),
+    GetBufferBindingSetter<BufferBinding::Texture>(),
+    GetBufferBindingSetter<BufferBinding::TransformFeedback>(),
+    GetBufferBindingSetter<BufferBinding::Uniform>(),
+}};
+
+ActiveTexturesCache::ActiveTexturesCache() : mTextures{} {}
+
+ActiveTexturesCache::~ActiveTexturesCache()
+{
+    ASSERT(empty());
+}
+
+void ActiveTexturesCache::clear()
+{
+    for (size_t textureIndex = 0; textureIndex < mTextures.size(); ++textureIndex)
+    {
+        reset(textureIndex);
+    }
+}
+
+bool ActiveTexturesCache::empty() const
+{
+    for (Texture *texture : mTextures)
+    {
+        if (texture)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+ANGLE_INLINE void ActiveTexturesCache::reset(size_t textureIndex)
+{
+    if (mTextures[textureIndex])
+    {
+        mTextures[textureIndex] = nullptr;
+    }
+}
+
+ANGLE_INLINE void ActiveTexturesCache::set(size_t textureIndex, Texture *texture)
+{
+    ASSERT(texture);
+    mTextures[textureIndex] = texture;
+}
+
+State::State(const State *shareContextState,
+             egl::ShareGroup *shareGroup,
+             TextureManager *shareTextures,
+             SemaphoreManager *shareSemaphores,
+             const OverlayType *overlay,
+             const EGLenum clientType,
+             const Version &clientVersion,
+             EGLint profileMask,
+             bool debug,
+             bool bindGeneratesResourceCHROMIUM,
+             bool clientArraysEnabled,
+             bool robustResourceInit,
+             bool programBinaryCacheEnabled,
+             EGLenum contextPriority,
+             bool hasRobustAccess,
+             bool hasProtectedContent)
+    : mID({gIDCounter++}),
+      mClientType(clientType),
+      mProfileMask(profileMask),
+      mContextPriority(contextPriority),
+      mHasRobustAccess(hasRobustAccess),
+      mHasProtectedContent(hasProtectedContent),
+      mIsDebugContext(debug),
+      mClientVersion(clientVersion),
+      mShareGroup(shareGroup),
+      mBufferManager(AllocateOrGetSharedResourceManager(shareContextState, &State::mBufferManager)),
+      mShaderProgramManager(
+          AllocateOrGetSharedResourceManager(shareContextState, &State::mShaderProgramManager)),
+      mTextureManager(AllocateOrGetSharedResourceManager(shareContextState,
+                                                         &State::mTextureManager,
+                                                         shareTextures)),
+      mRenderbufferManager(
+          AllocateOrGetSharedResourceManager(shareContextState, &State::mRenderbufferManager)),
+      mSamplerManager(
+          AllocateOrGetSharedResourceManager(shareContextState, &State::mSamplerManager)),
+      mSyncManager(AllocateOrGetSharedResourceManager(shareContextState, &State::mSyncManager)),
+      mFramebufferManager(new FramebufferManager()),
+      mProgramPipelineManager(new ProgramPipelineManager()),
+      mMemoryObjectManager(
+          AllocateOrGetSharedResourceManager(shareContextState, &State::mMemoryObjectManager)),
+      mSemaphoreManager(AllocateOrGetSharedResourceManager(shareContextState,
+                                                           &State::mSemaphoreManager,
+                                                           shareSemaphores)),
+      mDepthClearValue(0),
+      mStencilClearValue(0),
+      mScissorTest(false),
+      mSampleAlphaToCoverage(false),
+      mSampleCoverage(false),
+      mSampleCoverageValue(0),
+      mSampleCoverageInvert(false),
+      mSampleMask(false),
+      mMaxSampleMaskWords(0),
+      mIsSampleShadingEnabled(false),
+      mMinSampleShading(0.0f),
+      mStencilRef(0),
+      mStencilBackRef(0),
+      mLineWidth(0),
+      mGenerateMipmapHint(GL_NONE),
+      mTextureFilteringHint(GL_NONE),
+      mFragmentShaderDerivativeHint(GL_NONE),
+      mBindGeneratesResource(bindGeneratesResourceCHROMIUM),
+      mClientArraysEnabled(clientArraysEnabled),
+      mNearZ(0),
+      mFarZ(0),
+      mReadFramebuffer(nullptr),
+      mDrawFramebuffer(nullptr),
+      mProgram(nullptr),
+      mExecutable(nullptr),
+      mProvokingVertex(gl::ProvokingVertexConvention::LastVertexConvention),
+      mVertexArray(nullptr),
+      mActiveSampler(0),
+      mPrimitiveRestart(false),
+      mDebug(debug),
+      mMultiSampling(false),
+      mSampleAlphaToOne(false),
+      mFramebufferSRGB(true),
+      mRobustResourceInit(robustResourceInit),
+      mProgramBinaryCacheEnabled(programBinaryCacheEnabled),
+      mTextureRectangleEnabled(true),
+      mLogicOpEnabled(false),
+      mLogicOp(LogicalOperation::Copy),
+      mMaxShaderCompilerThreads(std::numeric_limits<GLuint>::max()),
+      mPatchVertices(3),
+      mPixelLocalStorageActive(false),
+      mOverlay(overlay),
+      mNoSimultaneousConstantColorAndAlphaBlendFunc(false),
+      mSetBlendIndexedInvoked(false),
+      mSetBlendFactorsIndexedInvoked(false),
+      mSetBlendEquationsIndexedInvoked(false),
+      mDisplayTextureShareGroup(shareTextures != nullptr),
+      mBoundingBoxMinX(-1.0f),
+      mBoundingBoxMinY(-1.0f),
+      mBoundingBoxMinZ(-1.0f),
+      mBoundingBoxMinW(1.0f),
+      mBoundingBoxMaxX(1.0f),
+      mBoundingBoxMaxY(1.0f),
+      mBoundingBoxMaxZ(1.0f),
+      mBoundingBoxMaxW(1.0f),
+      mShadingRatePreserveAspectRatio(false),
+      mShadingRate(ShadingRate::Undefined)
+{}
+
+State::~State() {}
+
+void State::initialize(Context *context)
+{
+    const Extensions &nativeExtensions = context->getImplementation()->getNativeExtensions();
+    const Version &clientVersion       = context->getClientVersion();
+
+    mBlendStateExt = BlendStateExt(mCaps.maxDrawBuffers);
+
+    setColorClearValue(0.0f, 0.0f, 0.0f, 0.0f);
+
+    mDepthClearValue   = 1.0f;
+    mStencilClearValue = 0;
+
+    mScissorTest    = false;
+    mScissor.x      = 0;
+    mScissor.y      = 0;
+    mScissor.width  = 0;
+    mScissor.height = 0;
+
+    mBlendColor.red   = 0;
+    mBlendColor.green = 0;
+    mBlendColor.blue  = 0;
+    mBlendColor.alpha = 0;
+
+    mStencilRef     = 0;
+    mStencilBackRef = 0;
+
+    mSampleCoverage       = false;
+    mSampleCoverageValue  = 1.0f;
+    mSampleCoverageInvert = false;
+
+    mMaxSampleMaskWords = static_cast<GLuint>(mCaps.maxSampleMaskWords);
+    mSampleMask         = false;
+    mSampleMaskValues.fill(~GLbitfield(0));
+
+    mGenerateMipmapHint           = GL_DONT_CARE;
+    mTextureFilteringHint         = GL_DONT_CARE;
+    mFragmentShaderDerivativeHint = GL_DONT_CARE;
+
+    mLineWidth = 1.0f;
+
+    mViewport.x      = 0;
+    mViewport.y      = 0;
+    mViewport.width  = 0;
+    mViewport.height = 0;
+    mNearZ           = 0.0f;
+    mFarZ            = 1.0f;
+
+    mClipControlOrigin = GL_LOWER_LEFT_EXT;
+    mClipControlDepth  = GL_NEGATIVE_ONE_TO_ONE_EXT;
+
+    mActiveSampler = 0;
+
+    mVertexAttribCurrentValues.resize(mCaps.maxVertexAttributes);
+
+    // Set all indexes in state attributes type mask to float (default)
+    for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+    {
+        SetComponentTypeMask(ComponentType::Float, i, &mCurrentValuesTypeMask);
+    }
+
+    mUniformBuffers.resize(mCaps.maxUniformBufferBindings);
+
+    mSamplerTextures[TextureType::_2D].resize(mCaps.maxCombinedTextureImageUnits);
+    mSamplerTextures[TextureType::CubeMap].resize(mCaps.maxCombinedTextureImageUnits);
+    if (clientVersion >= Version(3, 0) || nativeExtensions.texture3DOES)
+    {
+        mSamplerTextures[TextureType::_3D].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    if (clientVersion >= Version(3, 0))
+    {
+        mSamplerTextures[TextureType::_2DArray].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    if (clientVersion >= Version(3, 1) || nativeExtensions.textureMultisampleANGLE)
+    {
+        mSamplerTextures[TextureType::_2DMultisample].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    if (clientVersion >= Version(3, 1))
+    {
+        mSamplerTextures[TextureType::_2DMultisampleArray].resize(
+            mCaps.maxCombinedTextureImageUnits);
+
+        mAtomicCounterBuffers.resize(mCaps.maxAtomicCounterBufferBindings);
+        mShaderStorageBuffers.resize(mCaps.maxShaderStorageBufferBindings);
+    }
+    if (clientVersion >= Version(3, 1) ||
+        (mExtensions.shaderPixelLocalStorageANGLE &&
+         ShPixelLocalStorageTypeUsesImages(
+             context->getImplementation()->getNativePixelLocalStorageType())))
+    {
+        mImageUnits.resize(mCaps.maxImageUnits);
+    }
+    if (clientVersion >= Version(3, 2) || mExtensions.textureCubeMapArrayAny())
+    {
+        mSamplerTextures[TextureType::CubeMapArray].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    if (clientVersion >= Version(3, 2) || mExtensions.textureBufferAny())
+    {
+        mSamplerTextures[TextureType::Buffer].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    if (nativeExtensions.textureRectangleANGLE)
+    {
+        mSamplerTextures[TextureType::Rectangle].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    if (nativeExtensions.EGLImageExternalOES || nativeExtensions.EGLStreamConsumerExternalNV)
+    {
+        mSamplerTextures[TextureType::External].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    if (nativeExtensions.videoTextureWEBGL)
+    {
+        mSamplerTextures[TextureType::VideoImage].resize(mCaps.maxCombinedTextureImageUnits);
+    }
+    mCompleteTextureBindings.reserve(mCaps.maxCombinedTextureImageUnits);
+    for (int32_t textureIndex = 0; textureIndex < mCaps.maxCombinedTextureImageUnits;
+         ++textureIndex)
+    {
+        mCompleteTextureBindings.emplace_back(context, textureIndex);
+    }
+
+    mSamplers.resize(mCaps.maxCombinedTextureImageUnits);
+
+    for (QueryType type : angle::AllEnums<QueryType>())
+    {
+        mActiveQueries[type].set(context, nullptr);
+    }
+
+    mProgram    = nullptr;
+    mExecutable = nullptr;
+
+    mReadFramebuffer = nullptr;
+    mDrawFramebuffer = nullptr;
+
+    mPrimitiveRestart = false;
+
+    mDebug.setMaxLoggedMessages(mCaps.maxDebugLoggedMessages);
+
+    mMultiSampling    = true;
+    mSampleAlphaToOne = false;
+
+    mCoverageModulation = GL_NONE;
+
+    mNoSimultaneousConstantColorAndAlphaBlendFunc =
+        context->getLimitations().noSimultaneousConstantColorAndAlphaBlendFunc ||
+        context->getExtensions().webglCompatibilityANGLE;
+
+    mNoUnclampedBlendColor = context->getLimitations().noUnclampedBlendColor;
+
+    // GLES1 emulation: Initialize state for GLES1 if version applies
+    // TODO(http://anglebug.com/3745): When on desktop client only do this in compatibility profile
+    if (clientVersion < Version(2, 0) || mClientType == EGL_OPENGL_API)
+    {
+        mGLES1State.initialize(context, this);
+    }
+}
+
+void State::reset(const Context *context)
+{
+    // Force a sync so clear doesn't end up dereferencing stale pointers.
+    (void)syncActiveTextures(context, Command::Other);
+    mActiveTexturesCache.clear();
+
+    for (TextureBindingVector &bindingVec : mSamplerTextures)
+    {
+        for (BindingPointer<Texture> &texBinding : bindingVec)
+        {
+            texBinding.set(context, nullptr);
+        }
+    }
+    for (size_t samplerIdx = 0; samplerIdx < mSamplers.size(); samplerIdx++)
+    {
+        mSamplers[samplerIdx].set(context, nullptr);
+    }
+
+    for (ImageUnit &imageUnit : mImageUnits)
+    {
+        imageUnit.texture.set(context, nullptr);
+        imageUnit.level   = 0;
+        imageUnit.layered = false;
+        imageUnit.layer   = 0;
+        imageUnit.access  = GL_READ_ONLY;
+        imageUnit.format  = GL_R32UI;
+    }
+
+    mRenderbuffer.set(context, nullptr);
+
+    for (BufferBinding type : angle::AllEnums<BufferBinding>())
+    {
+        UpdateBufferBinding(context, &mBoundBuffers[type], nullptr, type);
+    }
+
+    if (mProgram)
+    {
+        mProgram->release(context);
+    }
+    mProgram = nullptr;
+    mProgramPipeline.set(context, nullptr);
+    mExecutable = nullptr;
+
+    if (mTransformFeedback.get())
+    {
+        mTransformFeedback->onBindingChanged(context, false);
+    }
+    mTransformFeedback.set(context, nullptr);
+
+    for (QueryType type : angle::AllEnums<QueryType>())
+    {
+        mActiveQueries[type].set(context, nullptr);
+    }
+
+    for (OffsetBindingPointer<Buffer> &buf : mUniformBuffers)
+    {
+        UpdateIndexedBufferBinding(context, &buf, nullptr, BufferBinding::Uniform, 0, 0);
+    }
+    mBoundUniformBuffersMask.reset();
+
+    for (OffsetBindingPointer<Buffer> &buf : mAtomicCounterBuffers)
+    {
+        UpdateIndexedBufferBinding(context, &buf, nullptr, BufferBinding::AtomicCounter, 0, 0);
+    }
+    mBoundAtomicCounterBuffersMask.reset();
+
+    for (OffsetBindingPointer<Buffer> &buf : mShaderStorageBuffers)
+    {
+        UpdateIndexedBufferBinding(context, &buf, nullptr, BufferBinding::ShaderStorage, 0, 0);
+    }
+    mBoundShaderStorageBuffersMask.reset();
+
+    mClipDistancesEnabled.reset();
+
+    setAllDirtyBits();
+}
+
+ANGLE_INLINE void State::unsetActiveTextures(const ActiveTextureMask &textureMask)
+{
+    // Unset any relevant bound textures.
+    for (size_t textureIndex : textureMask)
+    {
+        mActiveTexturesCache.reset(textureIndex);
+        mCompleteTextureBindings[textureIndex].reset();
+    }
+}
+
+ANGLE_INLINE void State::updateActiveTextureStateOnSync(const Context *context,
+                                                        size_t textureIndex,
+                                                        const Sampler *sampler,
+                                                        Texture *texture)
+{
+    if (!texture || !texture->isSamplerComplete(context, sampler))
+    {
+        mActiveTexturesCache.reset(textureIndex);
+    }
+    else
+    {
+        mActiveTexturesCache.set(textureIndex, texture);
+    }
+
+    mDirtyBits.set(DIRTY_BIT_TEXTURE_BINDINGS);
+}
+
+ANGLE_INLINE void State::setActiveTextureDirty(size_t textureIndex, Texture *texture)
+{
+    mDirtyObjects.set(DIRTY_OBJECT_ACTIVE_TEXTURES);
+    mDirtyActiveTextures.set(textureIndex);
+
+    if (!texture)
+    {
+        return;
+    }
+
+    if (texture->hasAnyDirtyBit())
+    {
+        setTextureDirty(textureIndex);
+    }
+
+    if (mRobustResourceInit && texture->initState() == InitState::MayNeedInit)
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_TEXTURES_INIT);
+    }
+
+    // This cache is updated immediately because we use the cache in the validation layer.
+    // If we defer the update until syncState it's too late and we've already passed validation.
+    if (texture && mExecutable)
+    {
+        // It is invalid to try to sample a non-yuv texture with a yuv sampler.
+        mTexturesIncompatibleWithSamplers[textureIndex] =
+            mExecutable->getActiveYUVSamplers().test(textureIndex) && !texture->isYUV();
+
+        if (isWebGL())
+        {
+            const Sampler *sampler = mSamplers[textureIndex].get();
+            const SamplerState &samplerState =
+                sampler ? sampler->getSamplerState() : texture->getSamplerState();
+            if (!texture->getTextureState().compatibleWithSamplerFormatForWebGL(
+                    mExecutable->getSamplerFormatForTextureUnitIndex(textureIndex), samplerState))
+            {
+                mTexturesIncompatibleWithSamplers[textureIndex] = true;
+            }
+        }
+    }
+    else
+    {
+        mTexturesIncompatibleWithSamplers[textureIndex] = false;
+    }
+}
+
+ANGLE_INLINE void State::updateTextureBinding(const Context *context,
+                                              size_t textureIndex,
+                                              Texture *texture)
+{
+    mCompleteTextureBindings[textureIndex].bind(texture);
+    mActiveTexturesCache.reset(textureIndex);
+    setActiveTextureDirty(textureIndex, texture);
+}
+
+ANGLE_INLINE bool State::hasConstantColor(GLenum sourceRGB, GLenum destRGB) const
+{
+    return sourceRGB == GL_CONSTANT_COLOR || sourceRGB == GL_ONE_MINUS_CONSTANT_COLOR ||
+           destRGB == GL_CONSTANT_COLOR || destRGB == GL_ONE_MINUS_CONSTANT_COLOR;
+}
+
+ANGLE_INLINE bool State::hasConstantAlpha(GLenum sourceRGB, GLenum destRGB) const
+{
+    return sourceRGB == GL_CONSTANT_ALPHA || sourceRGB == GL_ONE_MINUS_CONSTANT_ALPHA ||
+           destRGB == GL_CONSTANT_ALPHA || destRGB == GL_ONE_MINUS_CONSTANT_ALPHA;
+}
+
+const RasterizerState &State::getRasterizerState() const
+{
+    return mRasterizer;
+}
+
+const DepthStencilState &State::getDepthStencilState() const
+{
+    return mDepthStencil;
+}
+
+void State::setColorClearValue(float red, float green, float blue, float alpha)
+{
+    mColorClearValue.red   = red;
+    mColorClearValue.green = green;
+    mColorClearValue.blue  = blue;
+    mColorClearValue.alpha = alpha;
+    mDirtyBits.set(DIRTY_BIT_CLEAR_COLOR);
+}
+
+void State::setDepthClearValue(float depth)
+{
+    mDepthClearValue = depth;
+    mDirtyBits.set(DIRTY_BIT_CLEAR_DEPTH);
+}
+
+void State::setStencilClearValue(int stencil)
+{
+    mStencilClearValue = stencil;
+    mDirtyBits.set(DIRTY_BIT_CLEAR_STENCIL);
+}
+
+void State::setColorMask(bool red, bool green, bool blue, bool alpha)
+{
+    mBlendState.colorMaskRed   = red;
+    mBlendState.colorMaskGreen = green;
+    mBlendState.colorMaskBlue  = blue;
+    mBlendState.colorMaskAlpha = alpha;
+
+    mBlendStateExt.setColorMask(red, green, blue, alpha);
+    mDirtyBits.set(DIRTY_BIT_COLOR_MASK);
+}
+
+void State::setColorMaskIndexed(bool red, bool green, bool blue, bool alpha, GLuint index)
+{
+    mBlendStateExt.setColorMaskIndexed(index, red, green, blue, alpha);
+    mDirtyBits.set(DIRTY_BIT_COLOR_MASK);
+}
+
+bool State::allActiveDrawBufferChannelsMasked() const
+{
+    // Compare current color mask with all-disabled color mask, while ignoring disabled draw
+    // buffers.
+    return (mBlendStateExt.compareColorMask(0) & mDrawFramebuffer->getDrawBufferMask()).none();
+}
+
+bool State::anyActiveDrawBufferChannelMasked() const
+{
+    // Compare current color mask with all-enabled color mask, while ignoring disabled draw
+    // buffers.
+    return (mBlendStateExt.compareColorMask(mBlendStateExt.getAllColorMaskBits()) &
+            mDrawFramebuffer->getDrawBufferMask())
+        .any();
+}
+
+void State::setDepthMask(bool mask)
+{
+    if (mDepthStencil.depthMask != mask)
+    {
+        mDepthStencil.depthMask = mask;
+        mDirtyBits.set(DIRTY_BIT_DEPTH_MASK);
+    }
+}
+
+void State::setRasterizerDiscard(bool enabled)
+{
+    if (mRasterizer.rasterizerDiscard != enabled)
+    {
+        mRasterizer.rasterizerDiscard = enabled;
+        mDirtyBits.set(DIRTY_BIT_RASTERIZER_DISCARD_ENABLED);
+    }
+}
+
+void State::setCullFace(bool enabled)
+{
+    if (mRasterizer.cullFace != enabled)
+    {
+        mRasterizer.cullFace = enabled;
+        mDirtyBits.set(DIRTY_BIT_CULL_FACE_ENABLED);
+    }
+}
+
+void State::setCullMode(CullFaceMode mode)
+{
+    if (mRasterizer.cullMode != mode)
+    {
+        mRasterizer.cullMode = mode;
+        mDirtyBits.set(DIRTY_BIT_CULL_FACE);
+    }
+}
+
+void State::setFrontFace(GLenum front)
+{
+    if (mRasterizer.frontFace != front)
+    {
+        mRasterizer.frontFace = front;
+        mDirtyBits.set(DIRTY_BIT_FRONT_FACE);
+    }
+}
+
+void State::setDepthTest(bool enabled)
+{
+    if (mDepthStencil.depthTest != enabled)
+    {
+        mDepthStencil.depthTest = enabled;
+        mDirtyBits.set(DIRTY_BIT_DEPTH_TEST_ENABLED);
+    }
+}
+
+void State::setDepthFunc(GLenum depthFunc)
+{
+    if (mDepthStencil.depthFunc != depthFunc)
+    {
+        mDepthStencil.depthFunc = depthFunc;
+        mDirtyBits.set(DIRTY_BIT_DEPTH_FUNC);
+    }
+}
+
+void State::setDepthRange(float zNear, float zFar)
+{
+    if (mNearZ != zNear || mFarZ != zFar)
+    {
+        mNearZ = zNear;
+        mFarZ  = zFar;
+        mDirtyBits.set(DIRTY_BIT_DEPTH_RANGE);
+    }
+}
+
+void State::setClipControl(GLenum origin, GLenum depth)
+{
+    bool updated = false;
+    if (mClipControlOrigin != origin)
+    {
+        mClipControlOrigin = origin;
+        updated            = true;
+    }
+
+    if (mClipControlDepth != depth)
+    {
+        mClipControlDepth = depth;
+        updated           = true;
+    }
+
+    if (updated)
+    {
+        mDirtyBits.set(DIRTY_BIT_EXTENDED);
+        mExtendedDirtyBits.set(EXTENDED_DIRTY_BIT_CLIP_CONTROL);
+    }
+}
+
+void State::setBlend(bool enabled)
+{
+    if (mSetBlendIndexedInvoked || mBlendState.blend != enabled)
+    {
+        mBlendState.blend = enabled;
+
+        mSetBlendIndexedInvoked = false;
+        mBlendStateExt.setEnabled(enabled);
+        mDirtyBits.set(DIRTY_BIT_BLEND_ENABLED);
+    }
+}
+
+void State::setBlendIndexed(bool enabled, GLuint index)
+{
+    mSetBlendIndexedInvoked = true;
+    mBlendStateExt.setEnabledIndexed(index, enabled);
+    mDirtyBits.set(DIRTY_BIT_BLEND_ENABLED);
+}
+
+void State::setBlendFactors(GLenum sourceRGB, GLenum destRGB, GLenum sourceAlpha, GLenum destAlpha)
+{
+    if (!mSetBlendFactorsIndexedInvoked && mBlendState.sourceBlendRGB == sourceRGB &&
+        mBlendState.destBlendRGB == destRGB && mBlendState.sourceBlendAlpha == sourceAlpha &&
+        mBlendState.destBlendAlpha == destAlpha)
+    {
+        return;
+    }
+
+    mBlendState.sourceBlendRGB   = sourceRGB;
+    mBlendState.destBlendRGB     = destRGB;
+    mBlendState.sourceBlendAlpha = sourceAlpha;
+    mBlendState.destBlendAlpha   = destAlpha;
+
+    if (mNoSimultaneousConstantColorAndAlphaBlendFunc)
+    {
+        if (hasConstantColor(sourceRGB, destRGB))
+        {
+            mBlendFuncConstantColorDrawBuffers.set();
+        }
+        else
+        {
+            mBlendFuncConstantColorDrawBuffers.reset();
+        }
+
+        if (hasConstantAlpha(sourceRGB, destRGB))
+        {
+            mBlendFuncConstantAlphaDrawBuffers.set();
+        }
+        else
+        {
+            mBlendFuncConstantAlphaDrawBuffers.reset();
+        }
+    }
+
+    mSetBlendFactorsIndexedInvoked = false;
+    mBlendStateExt.setFactors(sourceRGB, destRGB, sourceAlpha, destAlpha);
+    mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS);
+}
+
+void State::setBlendFactorsIndexed(GLenum sourceRGB,
+                                   GLenum destRGB,
+                                   GLenum sourceAlpha,
+                                   GLenum destAlpha,
+                                   GLuint index)
+{
+    if (mNoSimultaneousConstantColorAndAlphaBlendFunc)
+    {
+        mBlendFuncConstantColorDrawBuffers.set(index, hasConstantColor(sourceRGB, destRGB));
+        mBlendFuncConstantAlphaDrawBuffers.set(index, hasConstantAlpha(sourceRGB, destRGB));
+    }
+
+    mSetBlendFactorsIndexedInvoked = true;
+    mBlendStateExt.setFactorsIndexed(index, sourceRGB, destRGB, sourceAlpha, destAlpha);
+    mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS);
+}
+
+void State::setBlendColor(float red, float green, float blue, float alpha)
+{
+    // In ES2 without render-to-float extensions, BlendColor clamps to [0,1] on store.
+    // On ES3+, or with render-to-float exts enabled, it does not clamp on store.
+    const bool isES2 = mClientVersion.major == 2;
+    const bool hasFloatBlending =
+        mExtensions.colorBufferFloatEXT || mExtensions.colorBufferHalfFloatEXT ||
+        mExtensions.colorBufferFloatRgbCHROMIUM || mExtensions.colorBufferFloatRgbaCHROMIUM;
+    if ((isES2 && !hasFloatBlending) || mNoUnclampedBlendColor)
+    {
+        red   = clamp01(red);
+        green = clamp01(green);
+        blue  = clamp01(blue);
+        alpha = clamp01(alpha);
+    }
+
+    if (mBlendColor.red != red || mBlendColor.green != green || mBlendColor.blue != blue ||
+        mBlendColor.alpha != alpha)
+    {
+        mBlendColor.red   = red;
+        mBlendColor.green = green;
+        mBlendColor.blue  = blue;
+        mBlendColor.alpha = alpha;
+        mDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
+    }
+}
+
+void State::setBlendEquation(GLenum rgbEquation, GLenum alphaEquation)
+{
+    if (mSetBlendEquationsIndexedInvoked || mBlendState.blendEquationRGB != rgbEquation ||
+        mBlendState.blendEquationAlpha != alphaEquation)
+    {
+        mBlendState.blendEquationRGB   = rgbEquation;
+        mBlendState.blendEquationAlpha = alphaEquation;
+
+        mSetBlendEquationsIndexedInvoked = false;
+        mBlendStateExt.setEquations(rgbEquation, alphaEquation);
+        mDirtyBits.set(DIRTY_BIT_BLEND_EQUATIONS);
+    }
+}
+
+void State::setBlendEquationIndexed(GLenum rgbEquation, GLenum alphaEquation, GLuint index)
+{
+    mSetBlendEquationsIndexedInvoked = true;
+    mBlendStateExt.setEquationsIndexed(index, rgbEquation, alphaEquation);
+    mDirtyBits.set(DIRTY_BIT_BLEND_EQUATIONS);
+}
+
+void State::setStencilTest(bool enabled)
+{
+    if (mDepthStencil.stencilTest != enabled)
+    {
+        mDepthStencil.stencilTest = enabled;
+        mDirtyBits.set(DIRTY_BIT_STENCIL_TEST_ENABLED);
+    }
+}
+
+void State::setStencilParams(GLenum stencilFunc, GLint stencilRef, GLuint stencilMask)
+{
+    if (mDepthStencil.stencilFunc != stencilFunc || mStencilRef != stencilRef ||
+        mDepthStencil.stencilMask != stencilMask)
+    {
+        mDepthStencil.stencilFunc = stencilFunc;
+        mStencilRef               = stencilRef;
+        mDepthStencil.stencilMask = stencilMask;
+        mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_FRONT);
+    }
+}
+
+void State::setStencilBackParams(GLenum stencilBackFunc,
+                                 GLint stencilBackRef,
+                                 GLuint stencilBackMask)
+{
+    if (mDepthStencil.stencilBackFunc != stencilBackFunc || mStencilBackRef != stencilBackRef ||
+        mDepthStencil.stencilBackMask != stencilBackMask)
+    {
+        mDepthStencil.stencilBackFunc = stencilBackFunc;
+        mStencilBackRef               = stencilBackRef;
+        mDepthStencil.stencilBackMask = stencilBackMask;
+        mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_BACK);
+    }
+}
+
+void State::setStencilWritemask(GLuint stencilWritemask)
+{
+    if (mDepthStencil.stencilWritemask != stencilWritemask)
+    {
+        mDepthStencil.stencilWritemask = stencilWritemask;
+        mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_FRONT);
+    }
+}
+
+void State::setStencilBackWritemask(GLuint stencilBackWritemask)
+{
+    if (mDepthStencil.stencilBackWritemask != stencilBackWritemask)
+    {
+        mDepthStencil.stencilBackWritemask = stencilBackWritemask;
+        mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_BACK);
+    }
+}
+
+void State::setStencilOperations(GLenum stencilFail,
+                                 GLenum stencilPassDepthFail,
+                                 GLenum stencilPassDepthPass)
+{
+    if (mDepthStencil.stencilFail != stencilFail ||
+        mDepthStencil.stencilPassDepthFail != stencilPassDepthFail ||
+        mDepthStencil.stencilPassDepthPass != stencilPassDepthPass)
+    {
+        mDepthStencil.stencilFail          = stencilFail;
+        mDepthStencil.stencilPassDepthFail = stencilPassDepthFail;
+        mDepthStencil.stencilPassDepthPass = stencilPassDepthPass;
+        mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_FRONT);
+    }
+}
+
+void State::setStencilBackOperations(GLenum stencilBackFail,
+                                     GLenum stencilBackPassDepthFail,
+                                     GLenum stencilBackPassDepthPass)
+{
+    if (mDepthStencil.stencilBackFail != stencilBackFail ||
+        mDepthStencil.stencilBackPassDepthFail != stencilBackPassDepthFail ||
+        mDepthStencil.stencilBackPassDepthPass != stencilBackPassDepthPass)
+    {
+        mDepthStencil.stencilBackFail          = stencilBackFail;
+        mDepthStencil.stencilBackPassDepthFail = stencilBackPassDepthFail;
+        mDepthStencil.stencilBackPassDepthPass = stencilBackPassDepthPass;
+        mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_BACK);
+    }
+}
+
+void State::setPolygonOffsetFill(bool enabled)
+{
+    if (mRasterizer.polygonOffsetFill != enabled)
+    {
+        mRasterizer.polygonOffsetFill = enabled;
+        mDirtyBits.set(DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED);
+    }
+}
+
+void State::setPolygonOffsetParams(GLfloat factor, GLfloat units)
+{
+    // An application can pass NaN values here, so handle this gracefully
+    mRasterizer.polygonOffsetFactor = factor != factor ? 0.0f : factor;
+    mRasterizer.polygonOffsetUnits  = units != units ? 0.0f : units;
+    mDirtyBits.set(DIRTY_BIT_POLYGON_OFFSET);
+}
+
+void State::setSampleAlphaToCoverage(bool enabled)
+{
+    if (mSampleAlphaToCoverage != enabled)
+    {
+        mSampleAlphaToCoverage = enabled;
+        mDirtyBits.set(DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED);
+    }
+}
+
+void State::setSampleCoverage(bool enabled)
+{
+    if (mSampleCoverage != enabled)
+    {
+        mSampleCoverage = enabled;
+        mDirtyBits.set(DIRTY_BIT_SAMPLE_COVERAGE_ENABLED);
+    }
+}
+
+void State::setSampleCoverageParams(GLclampf value, bool invert)
+{
+    mSampleCoverageValue  = value;
+    mSampleCoverageInvert = invert;
+    mDirtyBits.set(DIRTY_BIT_SAMPLE_COVERAGE);
+}
+
+void State::setSampleMaskEnabled(bool enabled)
+{
+    if (mSampleMask != enabled)
+    {
+        mSampleMask = enabled;
+        mDirtyBits.set(DIRTY_BIT_SAMPLE_MASK_ENABLED);
+    }
+}
+
+void State::setSampleMaskParams(GLuint maskNumber, GLbitfield mask)
+{
+    ASSERT(maskNumber < mMaxSampleMaskWords);
+    mSampleMaskValues[maskNumber] = mask;
+    // TODO(jmadill): Use a child dirty bit if we ever use more than two words.
+    mDirtyBits.set(DIRTY_BIT_SAMPLE_MASK);
+}
+
+void State::setSampleAlphaToOne(bool enabled)
+{
+    if (mSampleAlphaToOne != enabled)
+    {
+        mSampleAlphaToOne = enabled;
+        mDirtyBits.set(DIRTY_BIT_SAMPLE_ALPHA_TO_ONE);
+    }
+}
+
+void State::setMultisampling(bool enabled)
+{
+    if (mMultiSampling != enabled)
+    {
+        mMultiSampling = enabled;
+        mDirtyBits.set(DIRTY_BIT_MULTISAMPLING);
+    }
+}
+
+void State::setSampleShading(bool enabled)
+{
+    if (mIsSampleShadingEnabled != enabled)
+    {
+        mIsSampleShadingEnabled = enabled;
+        mMinSampleShading       = (enabled) ? 1.0f : mMinSampleShading;
+        mDirtyBits.set(DIRTY_BIT_SAMPLE_SHADING);
+    }
+}
+
+void State::setMinSampleShading(float value)
+{
+    value = gl::clamp01(value);
+
+    if (mMinSampleShading != value)
+    {
+        mMinSampleShading = value;
+        mDirtyBits.set(DIRTY_BIT_SAMPLE_SHADING);
+    }
+}
+
+void State::setScissorTest(bool enabled)
+{
+    if (mScissorTest != enabled)
+    {
+        mScissorTest = enabled;
+        mDirtyBits.set(DIRTY_BIT_SCISSOR_TEST_ENABLED);
+    }
+}
+
+void State::setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+    // Skip if same scissor info
+    if (mScissor.x != x || mScissor.y != y || mScissor.width != width || mScissor.height != height)
+    {
+        mScissor.x      = x;
+        mScissor.y      = y;
+        mScissor.width  = width;
+        mScissor.height = height;
+        mDirtyBits.set(DIRTY_BIT_SCISSOR);
+    }
+}
+
+void State::setDither(bool enabled)
+{
+    if (mRasterizer.dither != enabled)
+    {
+        mRasterizer.dither = enabled;
+        mDirtyBits.set(DIRTY_BIT_DITHER_ENABLED);
+    }
+}
+
+void State::setPrimitiveRestart(bool enabled)
+{
+    if (mPrimitiveRestart != enabled)
+    {
+        mPrimitiveRestart = enabled;
+        mDirtyBits.set(DIRTY_BIT_PRIMITIVE_RESTART_ENABLED);
+    }
+}
+
+void State::setClipDistanceEnable(int idx, bool enable)
+{
+    if (enable)
+    {
+        mClipDistancesEnabled.set(idx);
+    }
+    else
+    {
+        mClipDistancesEnabled.reset(idx);
+    }
+
+    mDirtyBits.set(DIRTY_BIT_EXTENDED);
+    mExtendedDirtyBits.set(EXTENDED_DIRTY_BIT_CLIP_DISTANCES);
+}
+
+void State::setEnableFeature(GLenum feature, bool enabled)
+{
+    switch (feature)
+    {
+        case GL_MULTISAMPLE_EXT:
+            setMultisampling(enabled);
+            return;
+        case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+            setSampleAlphaToOne(enabled);
+            return;
+        case GL_CULL_FACE:
+            setCullFace(enabled);
+            return;
+        case GL_POLYGON_OFFSET_FILL:
+            setPolygonOffsetFill(enabled);
+            return;
+        case GL_SAMPLE_ALPHA_TO_COVERAGE:
+            setSampleAlphaToCoverage(enabled);
+            return;
+        case GL_SAMPLE_COVERAGE:
+            setSampleCoverage(enabled);
+            return;
+        case GL_SCISSOR_TEST:
+            setScissorTest(enabled);
+            return;
+        case GL_STENCIL_TEST:
+            setStencilTest(enabled);
+            return;
+        case GL_DEPTH_TEST:
+            setDepthTest(enabled);
+            return;
+        case GL_BLEND:
+            setBlend(enabled);
+            return;
+        case GL_DITHER:
+            setDither(enabled);
+            return;
+        case GL_COLOR_LOGIC_OP:
+            if (mClientVersion.major == 1)
+            {
+                // Handle logicOp in GLES1 through the GLES1 state management and emulation.
+                // Otherwise this state could be set as part of ANGLE_logic_op.
+                break;
+            }
+            setLogicOpEnabled(enabled);
+            return;
+        case GL_PRIMITIVE_RESTART_FIXED_INDEX:
+            setPrimitiveRestart(enabled);
+            return;
+        case GL_RASTERIZER_DISCARD:
+            setRasterizerDiscard(enabled);
+            return;
+        case GL_SAMPLE_MASK:
+            setSampleMaskEnabled(enabled);
+            return;
+        case GL_DEBUG_OUTPUT_SYNCHRONOUS:
+            mDebug.setOutputSynchronous(enabled);
+            return;
+        case GL_DEBUG_OUTPUT:
+            mDebug.setOutputEnabled(enabled);
+            return;
+        case GL_FRAMEBUFFER_SRGB_EXT:
+            setFramebufferSRGB(enabled);
+            return;
+        case GL_TEXTURE_RECTANGLE_ANGLE:
+            mTextureRectangleEnabled = enabled;
+            return;
+        case GL_SAMPLE_SHADING:
+            setSampleShading(enabled);
+            return;
+        // GL_APPLE_clip_distance/GL_EXT_clip_cull_distance
+        case GL_CLIP_DISTANCE0_EXT:
+        case GL_CLIP_DISTANCE1_EXT:
+        case GL_CLIP_DISTANCE2_EXT:
+        case GL_CLIP_DISTANCE3_EXT:
+        case GL_CLIP_DISTANCE4_EXT:
+        case GL_CLIP_DISTANCE5_EXT:
+        case GL_CLIP_DISTANCE6_EXT:
+        case GL_CLIP_DISTANCE7_EXT:
+            // NOTE(hqle): These enums are conflicted with GLES1's enums, need
+            // to do additional check here:
+            if (mClientVersion.major >= 2)
+            {
+                setClipDistanceEnable(feature - GL_CLIP_DISTANCE0_EXT, enabled);
+                return;
+            }
+            break;
+        case GL_SHADING_RATE_PRESERVE_ASPECT_RATIO_QCOM:
+            mShadingRatePreserveAspectRatio = enabled;
+            return;
+    }
+
+    ASSERT(mClientVersion.major == 1);
+
+    // GLES1 emulation. Need to separate from main switch due to conflict enum between
+    // GL_CLIP_DISTANCE0_EXT & GL_CLIP_PLANE0
+    switch (feature)
+    {
+        case GL_ALPHA_TEST:
+            mGLES1State.mAlphaTestEnabled = enabled;
+            break;
+        case GL_TEXTURE_2D:
+            mGLES1State.mTexUnitEnables[mActiveSampler].set(TextureType::_2D, enabled);
+            break;
+        case GL_TEXTURE_CUBE_MAP:
+            mGLES1State.mTexUnitEnables[mActiveSampler].set(TextureType::CubeMap, enabled);
+            break;
+        case GL_LIGHTING:
+            mGLES1State.mLightingEnabled = enabled;
+            break;
+        case GL_LIGHT0:
+        case GL_LIGHT1:
+        case GL_LIGHT2:
+        case GL_LIGHT3:
+        case GL_LIGHT4:
+        case GL_LIGHT5:
+        case GL_LIGHT6:
+        case GL_LIGHT7:
+            mGLES1State.mLights[feature - GL_LIGHT0].enabled = enabled;
+            break;
+        case GL_NORMALIZE:
+            mGLES1State.mNormalizeEnabled = enabled;
+            break;
+        case GL_RESCALE_NORMAL:
+            mGLES1State.mRescaleNormalEnabled = enabled;
+            break;
+        case GL_COLOR_MATERIAL:
+            mGLES1State.mColorMaterialEnabled = enabled;
+            break;
+        case GL_CLIP_PLANE0:
+        case GL_CLIP_PLANE1:
+        case GL_CLIP_PLANE2:
+        case GL_CLIP_PLANE3:
+        case GL_CLIP_PLANE4:
+        case GL_CLIP_PLANE5:
+            mGLES1State.mClipPlanes[feature - GL_CLIP_PLANE0].enabled = enabled;
+            break;
+        case GL_FOG:
+            mGLES1State.mFogEnabled = enabled;
+            break;
+        case GL_POINT_SMOOTH:
+            mGLES1State.mPointSmoothEnabled = enabled;
+            break;
+        case GL_LINE_SMOOTH:
+            mGLES1State.mLineSmoothEnabled = enabled;
+            break;
+        case GL_POINT_SPRITE_OES:
+            mGLES1State.mPointSpriteEnabled = enabled;
+            break;
+        case GL_COLOR_LOGIC_OP:
+            mGLES1State.setLogicOpEnabled(enabled);
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+void State::setEnableFeatureIndexed(GLenum feature, bool enabled, GLuint index)
+{
+    switch (feature)
+    {
+        case GL_BLEND:
+            setBlendIndexed(enabled, index);
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+bool State::getEnableFeature(GLenum feature) const
+{
+    switch (feature)
+    {
+        case GL_MULTISAMPLE_EXT:
+            return isMultisamplingEnabled();
+        case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+            return isSampleAlphaToOneEnabled();
+        case GL_CULL_FACE:
+            return isCullFaceEnabled();
+        case GL_POLYGON_OFFSET_FILL:
+            return isPolygonOffsetFillEnabled();
+        case GL_SAMPLE_ALPHA_TO_COVERAGE:
+            return isSampleAlphaToCoverageEnabled();
+        case GL_SAMPLE_COVERAGE:
+            return isSampleCoverageEnabled();
+        case GL_SCISSOR_TEST:
+            return isScissorTestEnabled();
+        case GL_STENCIL_TEST:
+            return isStencilTestEnabled();
+        case GL_DEPTH_TEST:
+            return isDepthTestEnabled();
+        case GL_BLEND:
+            return isBlendEnabled();
+        case GL_DITHER:
+            return isDitherEnabled();
+        case GL_COLOR_LOGIC_OP:
+            if (mClientVersion.major == 1)
+            {
+                // Handle logicOp in GLES1 through the GLES1 state management and emulation.
+                break;
+            }
+            return isLogicOpEnabled();
+        case GL_PRIMITIVE_RESTART_FIXED_INDEX:
+            return isPrimitiveRestartEnabled();
+        case GL_RASTERIZER_DISCARD:
+            return isRasterizerDiscardEnabled();
+        case GL_SAMPLE_MASK:
+            return isSampleMaskEnabled();
+        case GL_DEBUG_OUTPUT_SYNCHRONOUS:
+            return mDebug.isOutputSynchronous();
+        case GL_DEBUG_OUTPUT:
+            return mDebug.isOutputEnabled();
+        case GL_BIND_GENERATES_RESOURCE_CHROMIUM:
+            return isBindGeneratesResourceEnabled();
+        case GL_CLIENT_ARRAYS_ANGLE:
+            return areClientArraysEnabled();
+        case GL_FRAMEBUFFER_SRGB_EXT:
+            return getFramebufferSRGB();
+        case GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            return mRobustResourceInit;
+        case GL_PROGRAM_CACHE_ENABLED_ANGLE:
+            return mProgramBinaryCacheEnabled;
+        case GL_TEXTURE_RECTANGLE_ANGLE:
+            return mTextureRectangleEnabled;
+        case GL_SAMPLE_SHADING:
+            return isSampleShadingEnabled();
+        // GL_APPLE_clip_distance/GL_EXT_clip_cull_distance
+        case GL_CLIP_DISTANCE0_EXT:
+        case GL_CLIP_DISTANCE1_EXT:
+        case GL_CLIP_DISTANCE2_EXT:
+        case GL_CLIP_DISTANCE3_EXT:
+        case GL_CLIP_DISTANCE4_EXT:
+        case GL_CLIP_DISTANCE5_EXT:
+        case GL_CLIP_DISTANCE6_EXT:
+        case GL_CLIP_DISTANCE7_EXT:
+            if (mClientVersion.major >= 2)
+            {
+                // If GLES version is 1, the GL_CLIP_DISTANCE0_EXT enum will be used as
+                // GL_CLIP_PLANE0 instead.
+                return mClipDistancesEnabled.test(feature - GL_CLIP_DISTANCE0_EXT);
+            }
+            break;
+        case GL_SHADING_RATE_PRESERVE_ASPECT_RATIO_QCOM:
+            return mShadingRatePreserveAspectRatio;
+    }
+
+    ASSERT(mClientVersion.major == 1);
+
+    switch (feature)
+    {
+        // GLES1 emulation
+        case GL_ALPHA_TEST:
+            return mGLES1State.mAlphaTestEnabled;
+        case GL_VERTEX_ARRAY:
+            return mGLES1State.mVertexArrayEnabled;
+        case GL_NORMAL_ARRAY:
+            return mGLES1State.mNormalArrayEnabled;
+        case GL_COLOR_ARRAY:
+            return mGLES1State.mColorArrayEnabled;
+        case GL_POINT_SIZE_ARRAY_OES:
+            return mGLES1State.mPointSizeArrayEnabled;
+        case GL_TEXTURE_COORD_ARRAY:
+            return mGLES1State.mTexCoordArrayEnabled[mGLES1State.mClientActiveTexture];
+        case GL_TEXTURE_2D:
+            return mGLES1State.isTextureTargetEnabled(getActiveSampler(), TextureType::_2D);
+        case GL_TEXTURE_CUBE_MAP:
+            return mGLES1State.isTextureTargetEnabled(getActiveSampler(), TextureType::CubeMap);
+        case GL_LIGHTING:
+            return mGLES1State.mLightingEnabled;
+        case GL_LIGHT0:
+        case GL_LIGHT1:
+        case GL_LIGHT2:
+        case GL_LIGHT3:
+        case GL_LIGHT4:
+        case GL_LIGHT5:
+        case GL_LIGHT6:
+        case GL_LIGHT7:
+            return mGLES1State.mLights[feature - GL_LIGHT0].enabled;
+        case GL_NORMALIZE:
+            return mGLES1State.mNormalizeEnabled;
+        case GL_RESCALE_NORMAL:
+            return mGLES1State.mRescaleNormalEnabled;
+        case GL_COLOR_MATERIAL:
+            return mGLES1State.mColorMaterialEnabled;
+        case GL_CLIP_PLANE0:
+        case GL_CLIP_PLANE1:
+        case GL_CLIP_PLANE2:
+        case GL_CLIP_PLANE3:
+        case GL_CLIP_PLANE4:
+        case GL_CLIP_PLANE5:
+            return mGLES1State.mClipPlanes[feature - GL_CLIP_PLANE0].enabled;
+        case GL_FOG:
+            return mGLES1State.mFogEnabled;
+        case GL_POINT_SMOOTH:
+            return mGLES1State.mPointSmoothEnabled;
+        case GL_LINE_SMOOTH:
+            return mGLES1State.mLineSmoothEnabled;
+        case GL_POINT_SPRITE_OES:
+            return mGLES1State.mPointSpriteEnabled;
+        case GL_COLOR_LOGIC_OP:
+            return mGLES1State.mLogicOpEnabled;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool State::getEnableFeatureIndexed(GLenum feature, GLuint index) const
+{
+    switch (feature)
+    {
+        case GL_BLEND:
+            return isBlendEnabledIndexed(index);
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+void State::setLineWidth(GLfloat width)
+{
+    mLineWidth = width;
+    mDirtyBits.set(DIRTY_BIT_LINE_WIDTH);
+}
+
+void State::setGenerateMipmapHint(GLenum hint)
+{
+    mGenerateMipmapHint = hint;
+    mDirtyBits.set(DIRTY_BIT_EXTENDED);
+    mExtendedDirtyBits.set(EXTENDED_DIRTY_BIT_MIPMAP_GENERATION_HINT);
+}
+
+GLenum State::getGenerateMipmapHint() const
+{
+    return mGenerateMipmapHint;
+}
+
+void State::setTextureFilteringHint(GLenum hint)
+{
+    mTextureFilteringHint = hint;
+    // Note: we don't add a dirty bit for this flag as it's not expected to be toggled at
+    // runtime.
+}
+
+GLenum State::getTextureFilteringHint() const
+{
+    return mTextureFilteringHint;
+}
+
+void State::setFragmentShaderDerivativeHint(GLenum hint)
+{
+    mFragmentShaderDerivativeHint = hint;
+    mDirtyBits.set(DIRTY_BIT_EXTENDED);
+    mExtendedDirtyBits.set(EXTENDED_DIRTY_BIT_SHADER_DERIVATIVE_HINT);
+    // TODO: Propagate the hint to shader translator so we can write
+    // ddx, ddx_coarse, or ddx_fine depending on the hint.
+    // Ignore for now. It is valid for implementations to ignore hint.
+}
+
+void State::setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+    // [OpenGL ES 2.0.25] section 2.12.1 page 45:
+    // Viewport width and height are clamped to implementation-dependent maximums when specified.
+    width  = std::min(width, mCaps.maxViewportWidth);
+    height = std::min(height, mCaps.maxViewportHeight);
+
+    // Skip if same viewport info
+    if (mViewport.x != x || mViewport.y != y || mViewport.width != width ||
+        mViewport.height != height)
+    {
+        mViewport.x      = x;
+        mViewport.y      = y;
+        mViewport.width  = width;
+        mViewport.height = height;
+        mDirtyBits.set(DIRTY_BIT_VIEWPORT);
+    }
+}
+
+void State::setActiveSampler(unsigned int active)
+{
+    mActiveSampler = active;
+}
+
+void State::setSamplerTexture(const Context *context, TextureType type, Texture *texture)
+{
+    if (mExecutable && mExecutable->getActiveSamplersMask()[mActiveSampler] &&
+        IsTextureCompatibleWithSampler(type, mExecutable->getActiveSamplerTypes()[mActiveSampler]))
+    {
+        updateTextureBinding(context, mActiveSampler, texture);
+    }
+
+    mSamplerTextures[type][mActiveSampler].set(context, texture);
+
+    mDirtyBits.set(DIRTY_BIT_TEXTURE_BINDINGS);
+}
+
+Texture *State::getTargetTexture(TextureType type) const
+{
+    return getSamplerTexture(static_cast<unsigned int>(mActiveSampler), type);
+}
+
+TextureID State::getSamplerTextureId(unsigned int sampler, TextureType type) const
+{
+    ASSERT(sampler < mSamplerTextures[type].size());
+    return mSamplerTextures[type][sampler].id();
+}
+
+void State::detachTexture(const Context *context, const TextureMap &zeroTextures, TextureID texture)
+{
+    // Textures have a detach method on State rather than a simple
+    // removeBinding, because the zero/null texture objects are managed
+    // separately, and don't have to go through the Context's maps or
+    // the ResourceManager.
+
+    // [OpenGL ES 2.0.24] section 3.8 page 84:
+    // If a texture object is deleted, it is as if all texture units which are bound to that texture
+    // object are rebound to texture object zero
+
+    for (TextureType type : angle::AllEnums<TextureType>())
+    {
+        TextureBindingVector &textureVector = mSamplerTextures[type];
+
+        for (size_t bindingIndex = 0; bindingIndex < textureVector.size(); ++bindingIndex)
+        {
+            BindingPointer<Texture> &binding = textureVector[bindingIndex];
+            if (binding.id() == texture)
+            {
+                // Zero textures are the "default" textures instead of NULL
+                Texture *zeroTexture = zeroTextures[type].get();
+                ASSERT(zeroTexture != nullptr);
+                if (mCompleteTextureBindings[bindingIndex].getSubject() == binding.get())
+                {
+                    updateTextureBinding(context, bindingIndex, zeroTexture);
+                }
+                binding.set(context, zeroTexture);
+            }
+        }
+    }
+
+    for (auto &bindingImageUnit : mImageUnits)
+    {
+        if (bindingImageUnit.texture.id() == texture)
+        {
+            bindingImageUnit.texture.set(context, nullptr);
+            bindingImageUnit.level   = 0;
+            bindingImageUnit.layered = false;
+            bindingImageUnit.layer   = 0;
+            bindingImageUnit.access  = GL_READ_ONLY;
+            bindingImageUnit.format  = GL_R32UI;
+        }
+    }
+
+    // [OpenGL ES 2.0.24] section 4.4 page 112:
+    // If a texture object is deleted while its image is attached to the currently bound
+    // framebuffer, then it is as if Texture2DAttachment had been called, with a texture of 0, for
+    // each attachment point to which this image was attached in the currently bound framebuffer.
+
+    if (mReadFramebuffer && mReadFramebuffer->detachTexture(context, texture))
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+    }
+
+    if (mDrawFramebuffer && mDrawFramebuffer->detachTexture(context, texture))
+    {
+        setDrawFramebufferDirty();
+    }
+}
+
+void State::initializeZeroTextures(const Context *context, const TextureMap &zeroTextures)
+{
+    for (TextureType type : angle::AllEnums<TextureType>())
+    {
+        for (size_t textureUnit = 0; textureUnit < mSamplerTextures[type].size(); ++textureUnit)
+        {
+            mSamplerTextures[type][textureUnit].set(context, zeroTextures[type].get());
+        }
+    }
+}
+
+void State::invalidateTextureBindings(TextureType type)
+{
+    mDirtyBits.set(DIRTY_BIT_TEXTURE_BINDINGS);
+}
+
+void State::setSamplerBinding(const Context *context, GLuint textureUnit, Sampler *sampler)
+{
+    if (mSamplers[textureUnit].get() == sampler)
+    {
+        return;
+    }
+
+    mSamplers[textureUnit].set(context, sampler);
+    mDirtyBits.set(DIRTY_BIT_SAMPLER_BINDINGS);
+    // This is overly conservative as it assumes the sampler has never been bound.
+    setSamplerDirty(textureUnit);
+    onActiveTextureChange(context, textureUnit);
+}
+
+void State::detachSampler(const Context *context, SamplerID sampler)
+{
+    // [OpenGL ES 3.0.2] section 3.8.2 pages 123-124:
+    // If a sampler object that is currently bound to one or more texture units is
+    // deleted, it is as though BindSampler is called once for each texture unit to
+    // which the sampler is bound, with unit set to the texture unit and sampler set to zero.
+    for (size_t i = 0; i < mSamplers.size(); i++)
+    {
+        if (mSamplers[i].id() == sampler)
+        {
+            setSamplerBinding(context, static_cast<GLuint>(i), nullptr);
+        }
+    }
+}
+
+void State::setRenderbufferBinding(const Context *context, Renderbuffer *renderbuffer)
+{
+    mRenderbuffer.set(context, renderbuffer);
+    mDirtyBits.set(DIRTY_BIT_RENDERBUFFER_BINDING);
+}
+
+void State::detachRenderbuffer(const Context *context, RenderbufferID renderbuffer)
+{
+    // [OpenGL ES 2.0.24] section 4.4 page 109:
+    // If a renderbuffer that is currently bound to RENDERBUFFER is deleted, it is as though
+    // BindRenderbuffer had been executed with the target RENDERBUFFER and name of zero.
+
+    if (mRenderbuffer.id() == renderbuffer)
+    {
+        setRenderbufferBinding(context, nullptr);
+    }
+
+    // [OpenGL ES 2.0.24] section 4.4 page 111:
+    // If a renderbuffer object is deleted while its image is attached to the currently bound
+    // framebuffer, then it is as if FramebufferRenderbuffer had been called, with a renderbuffer of
+    // 0, for each attachment point to which this image was attached in the currently bound
+    // framebuffer.
+
+    Framebuffer *readFramebuffer = mReadFramebuffer;
+    Framebuffer *drawFramebuffer = mDrawFramebuffer;
+
+    if (readFramebuffer && readFramebuffer->detachRenderbuffer(context, renderbuffer))
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+    }
+
+    if (drawFramebuffer && drawFramebuffer != readFramebuffer)
+    {
+        if (drawFramebuffer->detachRenderbuffer(context, renderbuffer))
+        {
+            setDrawFramebufferDirty();
+        }
+    }
+}
+
+void State::setReadFramebufferBinding(Framebuffer *framebuffer)
+{
+    if (mReadFramebuffer == framebuffer)
+        return;
+
+    mReadFramebuffer = framebuffer;
+    mDirtyBits.set(DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
+
+    if (mReadFramebuffer && mReadFramebuffer->hasAnyDirtyBit())
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+    }
+}
+
+void State::setDrawFramebufferBinding(Framebuffer *framebuffer)
+{
+    if (mDrawFramebuffer == framebuffer)
+        return;
+
+    mDrawFramebuffer = framebuffer;
+    mDirtyBits.set(DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING);
+
+    if (mDrawFramebuffer)
+    {
+        mDrawFramebuffer->setWriteControlMode(getFramebufferSRGB() ? SrgbWriteControlMode::Default
+                                                                   : SrgbWriteControlMode::Linear);
+
+        if (mDrawFramebuffer->hasAnyDirtyBit())
+        {
+            mDirtyObjects.set(DIRTY_OBJECT_DRAW_FRAMEBUFFER);
+        }
+
+        if (mRobustResourceInit && mDrawFramebuffer->hasResourceThatNeedsInit())
+        {
+            mDirtyObjects.set(DIRTY_OBJECT_DRAW_ATTACHMENTS);
+        }
+    }
+}
+
+Framebuffer *State::getTargetFramebuffer(GLenum target) const
+{
+    switch (target)
+    {
+        case GL_READ_FRAMEBUFFER_ANGLE:
+            return mReadFramebuffer;
+        case GL_DRAW_FRAMEBUFFER_ANGLE:
+        case GL_FRAMEBUFFER:
+            return mDrawFramebuffer;
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+Framebuffer *State::getDefaultFramebuffer() const
+{
+    return mFramebufferManager->getDefaultFramebuffer();
+}
+
+bool State::removeReadFramebufferBinding(FramebufferID framebuffer)
+{
+    if (mReadFramebuffer != nullptr && mReadFramebuffer->id() == framebuffer)
+    {
+        setReadFramebufferBinding(nullptr);
+        return true;
+    }
+
+    return false;
+}
+
+bool State::removeDrawFramebufferBinding(FramebufferID framebuffer)
+{
+    if (mReadFramebuffer != nullptr && mDrawFramebuffer->id() == framebuffer)
+    {
+        setDrawFramebufferBinding(nullptr);
+        return true;
+    }
+
+    return false;
+}
+
+void State::setVertexArrayBinding(const Context *context, VertexArray *vertexArray)
+{
+    if (mVertexArray == vertexArray)
+    {
+        return;
+    }
+
+    if (mVertexArray)
+    {
+        mVertexArray->onBindingChanged(context, -1);
+    }
+    if (vertexArray)
+    {
+        vertexArray->onBindingChanged(context, 1);
+    }
+
+    mVertexArray = vertexArray;
+    mDirtyBits.set(DIRTY_BIT_VERTEX_ARRAY_BINDING);
+
+    if (mVertexArray && mVertexArray->hasAnyDirtyBit())
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+    }
+}
+
+bool State::removeVertexArrayBinding(const Context *context, VertexArrayID vertexArray)
+{
+    if (mVertexArray && mVertexArray->id().value == vertexArray.value)
+    {
+        mVertexArray->onBindingChanged(context, -1);
+        mVertexArray = nullptr;
+        mDirtyBits.set(DIRTY_BIT_VERTEX_ARRAY_BINDING);
+        mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+        return true;
+    }
+
+    return false;
+}
+
+VertexArrayID State::getVertexArrayId() const
+{
+    ASSERT(mVertexArray != nullptr);
+    return mVertexArray->id();
+}
+
+void State::bindVertexBuffer(const Context *context,
+                             GLuint bindingIndex,
+                             Buffer *boundBuffer,
+                             GLintptr offset,
+                             GLsizei stride)
+{
+    getVertexArray()->bindVertexBuffer(context, bindingIndex, boundBuffer, offset, stride);
+    mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+}
+
+void State::setVertexAttribFormat(GLuint attribIndex,
+                                  GLint size,
+                                  VertexAttribType type,
+                                  bool normalized,
+                                  bool pureInteger,
+                                  GLuint relativeOffset)
+{
+    getVertexArray()->setVertexAttribFormat(attribIndex, size, type, normalized, pureInteger,
+                                            relativeOffset);
+    mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+}
+
+void State::setVertexBindingDivisor(const Context *context, GLuint bindingIndex, GLuint divisor)
+{
+    getVertexArray()->setVertexBindingDivisor(context, bindingIndex, divisor);
+    mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+}
+
+angle::Result State::setProgram(const Context *context, Program *newProgram)
+{
+    if (newProgram && !newProgram->isLinked())
+    {
+        // Protect against applications that disable validation and try to use a program that was
+        // not successfully linked.
+        WARN() << "Attempted to use a program that was not successfully linked";
+        return angle::Result::Continue;
+    }
+
+    if (mProgram != newProgram)
+    {
+        if (mProgram)
+        {
+            unsetActiveTextures(mExecutable->getActiveSamplersMask());
+            mProgram->release(context);
+        }
+
+        mProgram    = newProgram;
+        mExecutable = nullptr;
+
+        if (mProgram)
+        {
+            mExecutable = &mProgram->getExecutable();
+            newProgram->addRef();
+            ANGLE_TRY(onProgramExecutableChange(context, newProgram));
+        }
+        else if (mProgramPipeline.get())
+        {
+            mExecutable = &mProgramPipeline->getExecutable();
+            ANGLE_TRY(onProgramPipelineExecutableChange(context));
+        }
+
+        // Note that rendering is undefined if glUseProgram(0) is called. But ANGLE will generate
+        // an error if the app tries to draw in this case.
+
+        mDirtyBits.set(DIRTY_BIT_PROGRAM_BINDING);
+    }
+
+    return angle::Result::Continue;
+}
+
+void State::setTransformFeedbackBinding(const Context *context,
+                                        TransformFeedback *transformFeedback)
+{
+    if (transformFeedback == mTransformFeedback.get())
+        return;
+    if (mTransformFeedback.get())
+        mTransformFeedback->onBindingChanged(context, false);
+    mTransformFeedback.set(context, transformFeedback);
+    if (mTransformFeedback.get())
+        mTransformFeedback->onBindingChanged(context, true);
+    mDirtyBits.set(DIRTY_BIT_TRANSFORM_FEEDBACK_BINDING);
+}
+
+bool State::removeTransformFeedbackBinding(const Context *context,
+                                           TransformFeedbackID transformFeedback)
+{
+    if (mTransformFeedback.id() == transformFeedback)
+    {
+        if (mTransformFeedback.get())
+            mTransformFeedback->onBindingChanged(context, false);
+        mTransformFeedback.set(context, nullptr);
+        return true;
+    }
+
+    return false;
+}
+
+angle::Result State::setProgramPipelineBinding(const Context *context, ProgramPipeline *pipeline)
+{
+    if (mProgramPipeline.get() == pipeline)
+    {
+        return angle::Result::Continue;
+    }
+
+    if (mProgramPipeline.get())
+    {
+        unsetActiveTextures(mProgramPipeline->getExecutable().getActiveSamplersMask());
+    }
+
+    mProgramPipeline.set(context, pipeline);
+    mDirtyBits.set(DIRTY_BIT_PROGRAM_BINDING);
+
+    // A bound Program always overrides the ProgramPipeline, so only update the
+    // current ProgramExecutable if there isn't currently a Program bound.
+    if (!mProgram)
+    {
+        if (mProgramPipeline.get())
+        {
+            mExecutable = &mProgramPipeline->getExecutable();
+            ANGLE_TRY(onProgramPipelineExecutableChange(context));
+        }
+        else
+        {
+            mExecutable = nullptr;
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+void State::detachProgramPipeline(const Context *context, ProgramPipelineID pipeline)
+{
+    mProgramPipeline.set(context, nullptr);
+
+    // A bound Program always overrides the ProgramPipeline, so only update the
+    // current ProgramExecutable if there isn't currently a Program bound.
+    if (!mProgram)
+    {
+        mExecutable = nullptr;
+    }
+}
+
+bool State::isQueryActive(QueryType type) const
+{
+    const Query *query = mActiveQueries[type].get();
+    if (query != nullptr)
+    {
+        return true;
+    }
+
+    QueryType alternativeType;
+    if (GetAlternativeQueryType(type, &alternativeType))
+    {
+        query = mActiveQueries[alternativeType].get();
+        return query != nullptr;
+    }
+
+    return false;
+}
+
+bool State::isQueryActive(Query *query) const
+{
+    for (auto &queryPointer : mActiveQueries)
+    {
+        if (queryPointer.get() == query)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void State::setActiveQuery(const Context *context, QueryType type, Query *query)
+{
+    mActiveQueries[type].set(context, query);
+}
+
+QueryID State::getActiveQueryId(QueryType type) const
+{
+    const Query *query = getActiveQuery(type);
+    if (query)
+    {
+        return query->id();
+    }
+    return {0};
+}
+
+Query *State::getActiveQuery(QueryType type) const
+{
+    return mActiveQueries[type].get();
+}
+
+angle::Result State::setIndexedBufferBinding(const Context *context,
+                                             BufferBinding target,
+                                             GLuint index,
+                                             Buffer *buffer,
+                                             GLintptr offset,
+                                             GLsizeiptr size)
+{
+    setBufferBinding(context, target, buffer);
+
+    switch (target)
+    {
+        case BufferBinding::TransformFeedback:
+            ANGLE_TRY(mTransformFeedback->bindIndexedBuffer(context, index, buffer, offset, size));
+            setBufferBinding(context, target, buffer);
+            break;
+        case BufferBinding::Uniform:
+            mBoundUniformBuffersMask.set(index, buffer != nullptr);
+            UpdateIndexedBufferBinding(context, &mUniformBuffers[index], buffer, target, offset,
+                                       size);
+            break;
+        case BufferBinding::AtomicCounter:
+            mBoundAtomicCounterBuffersMask.set(index, buffer != nullptr);
+            UpdateIndexedBufferBinding(context, &mAtomicCounterBuffers[index], buffer, target,
+                                       offset, size);
+            break;
+        case BufferBinding::ShaderStorage:
+            mBoundShaderStorageBuffersMask.set(index, buffer != nullptr);
+            UpdateIndexedBufferBinding(context, &mShaderStorageBuffers[index], buffer, target,
+                                       offset, size);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return angle::Result::Continue;
+}
+
+const OffsetBindingPointer<Buffer> &State::getIndexedUniformBuffer(size_t index) const
+{
+    ASSERT(index < mUniformBuffers.size());
+    return mUniformBuffers[index];
+}
+
+const OffsetBindingPointer<Buffer> &State::getIndexedAtomicCounterBuffer(size_t index) const
+{
+    ASSERT(index < mAtomicCounterBuffers.size());
+    return mAtomicCounterBuffers[index];
+}
+
+const OffsetBindingPointer<Buffer> &State::getIndexedShaderStorageBuffer(size_t index) const
+{
+    ASSERT(index < mShaderStorageBuffers.size());
+    return mShaderStorageBuffers[index];
+}
+
+angle::Result State::detachBuffer(Context *context, const Buffer *buffer)
+{
+    BufferID bufferID = buffer->id();
+    for (gl::BufferBinding target : angle::AllEnums<BufferBinding>())
+    {
+        if (mBoundBuffers[target].id() == bufferID)
+        {
+            UpdateBufferBinding(context, &mBoundBuffers[target], nullptr, target);
+        }
+    }
+
+    TransformFeedback *curTransformFeedback = getCurrentTransformFeedback();
+    if (curTransformFeedback)
+    {
+        ANGLE_TRY(curTransformFeedback->detachBuffer(context, bufferID));
+        context->getStateCache().onActiveTransformFeedbackChange(context);
+    }
+
+    if (getVertexArray()->detachBuffer(context, bufferID))
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+        context->getStateCache().onVertexArrayStateChange(context);
+    }
+
+    for (size_t uniformBufferIndex : mBoundUniformBuffersMask)
+    {
+        OffsetBindingPointer<Buffer> &binding = mUniformBuffers[uniformBufferIndex];
+
+        if (binding.id() == bufferID)
+        {
+            UpdateIndexedBufferBinding(context, &binding, nullptr, BufferBinding::Uniform, 0, 0);
+            mBoundUniformBuffersMask.reset(uniformBufferIndex);
+        }
+    }
+
+    for (size_t atomicCounterBufferIndex : mBoundAtomicCounterBuffersMask)
+    {
+        OffsetBindingPointer<Buffer> &binding = mAtomicCounterBuffers[atomicCounterBufferIndex];
+
+        if (binding.id() == bufferID)
+        {
+            UpdateIndexedBufferBinding(context, &binding, nullptr, BufferBinding::AtomicCounter, 0,
+                                       0);
+            mBoundAtomicCounterBuffersMask.reset(atomicCounterBufferIndex);
+        }
+    }
+
+    for (size_t shaderStorageBufferIndex : mBoundShaderStorageBuffersMask)
+    {
+        OffsetBindingPointer<Buffer> &binding = mShaderStorageBuffers[shaderStorageBufferIndex];
+
+        if (binding.id() == bufferID)
+        {
+            UpdateIndexedBufferBinding(context, &binding, nullptr, BufferBinding::ShaderStorage, 0,
+                                       0);
+            mBoundShaderStorageBuffersMask.reset(shaderStorageBufferIndex);
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+void State::setEnableVertexAttribArray(unsigned int attribNum, bool enabled)
+{
+    getVertexArray()->enableAttribute(attribNum, enabled);
+    mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+}
+
+void State::setVertexAttribf(GLuint index, const GLfloat values[4])
+{
+    ASSERT(static_cast<size_t>(index) < mVertexAttribCurrentValues.size());
+    mVertexAttribCurrentValues[index].setFloatValues(values);
+    mDirtyBits.set(DIRTY_BIT_CURRENT_VALUES);
+    mDirtyCurrentValues.set(index);
+    SetComponentTypeMask(ComponentType::Float, index, &mCurrentValuesTypeMask);
+}
+
+void State::setVertexAttribu(GLuint index, const GLuint values[4])
+{
+    ASSERT(static_cast<size_t>(index) < mVertexAttribCurrentValues.size());
+    mVertexAttribCurrentValues[index].setUnsignedIntValues(values);
+    mDirtyBits.set(DIRTY_BIT_CURRENT_VALUES);
+    mDirtyCurrentValues.set(index);
+    SetComponentTypeMask(ComponentType::UnsignedInt, index, &mCurrentValuesTypeMask);
+}
+
+void State::setVertexAttribi(GLuint index, const GLint values[4])
+{
+    ASSERT(static_cast<size_t>(index) < mVertexAttribCurrentValues.size());
+    mVertexAttribCurrentValues[index].setIntValues(values);
+    mDirtyBits.set(DIRTY_BIT_CURRENT_VALUES);
+    mDirtyCurrentValues.set(index);
+    SetComponentTypeMask(ComponentType::Int, index, &mCurrentValuesTypeMask);
+}
+
+void State::setVertexAttribDivisor(const Context *context, GLuint index, GLuint divisor)
+{
+    getVertexArray()->setVertexAttribDivisor(context, index, divisor);
+    mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+}
+
+const void *State::getVertexAttribPointer(unsigned int attribNum) const
+{
+    return getVertexArray()->getVertexAttribute(attribNum).pointer;
+}
+
+void State::setPackAlignment(GLint alignment)
+{
+    mPack.alignment = alignment;
+    mDirtyBits.set(DIRTY_BIT_PACK_STATE);
+}
+
+void State::setPackReverseRowOrder(bool reverseRowOrder)
+{
+    mPack.reverseRowOrder = reverseRowOrder;
+    mDirtyBits.set(DIRTY_BIT_PACK_STATE);
+}
+
+void State::setPackRowLength(GLint rowLength)
+{
+    mPack.rowLength = rowLength;
+    mDirtyBits.set(DIRTY_BIT_PACK_STATE);
+}
+
+void State::setPackSkipRows(GLint skipRows)
+{
+    mPack.skipRows = skipRows;
+    mDirtyBits.set(DIRTY_BIT_PACK_STATE);
+}
+
+void State::setPackSkipPixels(GLint skipPixels)
+{
+    mPack.skipPixels = skipPixels;
+    mDirtyBits.set(DIRTY_BIT_PACK_STATE);
+}
+
+void State::setUnpackAlignment(GLint alignment)
+{
+    mUnpack.alignment = alignment;
+    mDirtyBits.set(DIRTY_BIT_UNPACK_STATE);
+}
+
+void State::setUnpackRowLength(GLint rowLength)
+{
+    mUnpack.rowLength = rowLength;
+    mDirtyBits.set(DIRTY_BIT_UNPACK_STATE);
+}
+
+void State::setUnpackImageHeight(GLint imageHeight)
+{
+    mUnpack.imageHeight = imageHeight;
+    mDirtyBits.set(DIRTY_BIT_UNPACK_STATE);
+}
+
+void State::setUnpackSkipImages(GLint skipImages)
+{
+    mUnpack.skipImages = skipImages;
+    mDirtyBits.set(DIRTY_BIT_UNPACK_STATE);
+}
+
+void State::setUnpackSkipRows(GLint skipRows)
+{
+    mUnpack.skipRows = skipRows;
+    mDirtyBits.set(DIRTY_BIT_UNPACK_STATE);
+}
+
+void State::setUnpackSkipPixels(GLint skipPixels)
+{
+    mUnpack.skipPixels = skipPixels;
+    mDirtyBits.set(DIRTY_BIT_UNPACK_STATE);
+}
+
+void State::setCoverageModulation(GLenum components)
+{
+    if (mCoverageModulation != components)
+    {
+        mCoverageModulation = components;
+        mDirtyBits.set(DIRTY_BIT_COVERAGE_MODULATION);
+    }
+}
+
+void State::setFramebufferSRGB(bool sRGB)
+{
+    if (mFramebufferSRGB != sRGB)
+    {
+        mFramebufferSRGB = sRGB;
+        mDirtyBits.set(DIRTY_BIT_FRAMEBUFFER_SRGB_WRITE_CONTROL_MODE);
+        setDrawFramebufferDirty();
+    }
+}
+
+void State::setMaxShaderCompilerThreads(GLuint count)
+{
+    mMaxShaderCompilerThreads = count;
+}
+
+void State::setPatchVertices(GLuint value)
+{
+    if (mPatchVertices != value)
+    {
+        mPatchVertices = value;
+        mDirtyBits.set(DIRTY_BIT_PATCH_VERTICES);
+    }
+}
+
+void State::setPixelLocalStorageActive(bool active)
+{
+    mPixelLocalStorageActive = active;
+}
+
+void State::setShadingRate(GLenum rate)
+{
+    mShadingRate = FromGLenum<ShadingRate>(rate);
+    mDirtyBits.set(DIRTY_BIT_EXTENDED);
+    mExtendedDirtyBits.set(EXTENDED_DIRTY_BIT_SHADING_RATE);
+}
+
+void State::getBooleanv(GLenum pname, GLboolean *params) const
+{
+    switch (pname)
+    {
+        case GL_SAMPLE_COVERAGE_INVERT:
+            *params = mSampleCoverageInvert;
+            break;
+        case GL_DEPTH_WRITEMASK:
+            *params = mDepthStencil.depthMask;
+            break;
+        case GL_COLOR_WRITEMASK:
+        {
+            // non-indexed get returns the state of draw buffer zero
+            bool r, g, b, a;
+            mBlendStateExt.getColorMaskIndexed(0, &r, &g, &b, &a);
+            params[0] = r;
+            params[1] = g;
+            params[2] = b;
+            params[3] = a;
+            break;
+        }
+        case GL_CULL_FACE:
+            *params = mRasterizer.cullFace;
+            break;
+        case GL_POLYGON_OFFSET_FILL:
+            *params = mRasterizer.polygonOffsetFill;
+            break;
+        case GL_SAMPLE_ALPHA_TO_COVERAGE:
+            *params = mSampleAlphaToCoverage;
+            break;
+        case GL_SAMPLE_COVERAGE:
+            *params = mSampleCoverage;
+            break;
+        case GL_SAMPLE_MASK:
+            *params = mSampleMask;
+            break;
+        case GL_SCISSOR_TEST:
+            *params = mScissorTest;
+            break;
+        case GL_STENCIL_TEST:
+            *params = mDepthStencil.stencilTest;
+            break;
+        case GL_DEPTH_TEST:
+            *params = mDepthStencil.depthTest;
+            break;
+        case GL_BLEND:
+            // non-indexed get returns the state of draw buffer zero
+            *params = mBlendStateExt.getEnabledMask().test(0);
+            break;
+        case GL_DITHER:
+            *params = mRasterizer.dither;
+            break;
+        case GL_COLOR_LOGIC_OP:
+            ASSERT(mClientVersion.major > 1);
+            *params = mLogicOpEnabled;
+            break;
+        case GL_TRANSFORM_FEEDBACK_ACTIVE:
+            *params = getCurrentTransformFeedback()->isActive() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_TRANSFORM_FEEDBACK_PAUSED:
+            *params = getCurrentTransformFeedback()->isPaused() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_PRIMITIVE_RESTART_FIXED_INDEX:
+            *params = mPrimitiveRestart;
+            break;
+        case GL_RASTERIZER_DISCARD:
+            *params = isRasterizerDiscardEnabled() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_DEBUG_OUTPUT_SYNCHRONOUS:
+            *params = mDebug.isOutputSynchronous() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_DEBUG_OUTPUT:
+            *params = mDebug.isOutputEnabled() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_MULTISAMPLE_EXT:
+            *params = mMultiSampling;
+            break;
+        case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+            *params = mSampleAlphaToOne;
+            break;
+        case GL_BIND_GENERATES_RESOURCE_CHROMIUM:
+            *params = isBindGeneratesResourceEnabled() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_CLIENT_ARRAYS_ANGLE:
+            *params = areClientArraysEnabled() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_FRAMEBUFFER_SRGB_EXT:
+            *params = getFramebufferSRGB() ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            *params = mRobustResourceInit ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_PROGRAM_CACHE_ENABLED_ANGLE:
+            *params = mProgramBinaryCacheEnabled ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_TEXTURE_RECTANGLE_ANGLE:
+            *params = mTextureRectangleEnabled ? GL_TRUE : GL_FALSE;
+            break;
+        case GL_LIGHT_MODEL_TWO_SIDE:
+            *params = IsLightModelTwoSided(&mGLES1State);
+            break;
+        case GL_SAMPLE_SHADING:
+            *params = mIsSampleShadingEnabled;
+            break;
+        case GL_PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED:
+            *params = isPrimitiveRestartEnabled() && getExtensions().tessellationShaderEXT;
+            break;
+        // 2.2.2 Data Conversions For State Query Commands, in GLES 3.2 spec.
+        // If a command returning boolean data is called, such as GetBooleanv, a floating-point or
+        // integer value converts to FALSE if and only if it is zero. Otherwise it converts to TRUE.
+        // GL_EXT_clip_control
+        case GL_CLIP_ORIGIN_EXT:
+            *params = GL_TRUE;
+            break;
+        case GL_CLIP_DEPTH_MODE_EXT:
+            *params = GL_TRUE;
+            break;
+        case GL_ROBUST_FRAGMENT_SHADER_OUTPUT_ANGLE:
+            *params = mExtensions.robustFragmentShaderOutputANGLE ? GL_TRUE : GL_FALSE;
+            break;
+        // GL_ANGLE_shader_pixel_local_storage
+        case GL_PIXEL_LOCAL_STORAGE_ACTIVE_ANGLE:
+            *params = mPixelLocalStorageActive ? GL_TRUE : GL_FALSE;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void State::getFloatv(GLenum pname, GLfloat *params) const
+{
+    // Please note: DEPTH_CLEAR_VALUE is included in our internal getFloatv implementation
+    // because it is stored as a float, despite the fact that the GL ES 2.0 spec names
+    // GetIntegerv as its native query function. As it would require conversion in any
+    // case, this should make no difference to the calling application.
+    switch (pname)
+    {
+        case GL_LINE_WIDTH:
+            *params = mLineWidth;
+            break;
+        case GL_SAMPLE_COVERAGE_VALUE:
+            *params = mSampleCoverageValue;
+            break;
+        case GL_DEPTH_CLEAR_VALUE:
+            *params = mDepthClearValue;
+            break;
+        case GL_POLYGON_OFFSET_FACTOR:
+            *params = mRasterizer.polygonOffsetFactor;
+            break;
+        case GL_POLYGON_OFFSET_UNITS:
+            *params = mRasterizer.polygonOffsetUnits;
+            break;
+        case GL_DEPTH_RANGE:
+            params[0] = mNearZ;
+            params[1] = mFarZ;
+            break;
+        case GL_COLOR_CLEAR_VALUE:
+            params[0] = mColorClearValue.red;
+            params[1] = mColorClearValue.green;
+            params[2] = mColorClearValue.blue;
+            params[3] = mColorClearValue.alpha;
+            break;
+        case GL_BLEND_COLOR:
+            params[0] = mBlendColor.red;
+            params[1] = mBlendColor.green;
+            params[2] = mBlendColor.blue;
+            params[3] = mBlendColor.alpha;
+            break;
+        case GL_MULTISAMPLE_EXT:
+            *params = static_cast<GLfloat>(mMultiSampling);
+            break;
+        case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+            *params = static_cast<GLfloat>(mSampleAlphaToOne);
+            break;
+        case GL_COVERAGE_MODULATION_CHROMIUM:
+            params[0] = static_cast<GLfloat>(mCoverageModulation);
+            break;
+        case GL_ALPHA_TEST_REF:
+            *params = mGLES1State.mAlphaTestRef;
+            break;
+        case GL_CURRENT_COLOR:
+        {
+            const auto &color = mGLES1State.mCurrentColor;
+            params[0]         = color.red;
+            params[1]         = color.green;
+            params[2]         = color.blue;
+            params[3]         = color.alpha;
+            break;
+        }
+        case GL_CURRENT_NORMAL:
+        {
+            const auto &normal = mGLES1State.mCurrentNormal;
+            params[0]          = normal[0];
+            params[1]          = normal[1];
+            params[2]          = normal[2];
+            break;
+        }
+        case GL_CURRENT_TEXTURE_COORDS:
+        {
+            const auto &texcoord = mGLES1State.mCurrentTextureCoords[mActiveSampler];
+            params[0]            = texcoord.s;
+            params[1]            = texcoord.t;
+            params[2]            = texcoord.r;
+            params[3]            = texcoord.q;
+            break;
+        }
+        case GL_MODELVIEW_MATRIX:
+            memcpy(params, mGLES1State.mModelviewMatrices.back().constData(), 16 * sizeof(GLfloat));
+            break;
+        case GL_PROJECTION_MATRIX:
+            memcpy(params, mGLES1State.mProjectionMatrices.back().constData(),
+                   16 * sizeof(GLfloat));
+            break;
+        case GL_TEXTURE_MATRIX:
+            memcpy(params, mGLES1State.mTextureMatrices[mActiveSampler].back().constData(),
+                   16 * sizeof(GLfloat));
+            break;
+        case GL_LIGHT_MODEL_AMBIENT:
+            GetLightModelParameters(&mGLES1State, pname, params);
+            break;
+        case GL_FOG_MODE:
+        case GL_FOG_DENSITY:
+        case GL_FOG_START:
+        case GL_FOG_END:
+        case GL_FOG_COLOR:
+            GetFogParameters(&mGLES1State, pname, params);
+            break;
+        case GL_POINT_SIZE:
+            GetPointSize(&mGLES1State, params);
+            break;
+        case GL_POINT_SIZE_MIN:
+        case GL_POINT_SIZE_MAX:
+        case GL_POINT_FADE_THRESHOLD_SIZE:
+        case GL_POINT_DISTANCE_ATTENUATION:
+            GetPointParameter(&mGLES1State, FromGLenum<PointParameter>(pname), params);
+            break;
+        case GL_MIN_SAMPLE_SHADING_VALUE:
+            *params = mMinSampleShading;
+            break;
+        // 2.2.2 Data Conversions For State Query Commands, in GLES 3.2 spec.
+        // If a command returning floating-point data is called, such as GetFloatv, ... An integer
+        // value is coerced to floating-point.
+        case GL_CLIP_ORIGIN_EXT:
+            *params = static_cast<float>(mClipControlOrigin);
+            break;
+        case GL_CLIP_DEPTH_MODE_EXT:
+            *params = static_cast<float>(mClipControlDepth);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+angle::Result State::getIntegerv(const Context *context, GLenum pname, GLint *params) const
+{
+    if (pname >= GL_DRAW_BUFFER0_EXT && pname <= GL_DRAW_BUFFER15_EXT)
+    {
+        size_t drawBuffer = (pname - GL_DRAW_BUFFER0_EXT);
+        ASSERT(drawBuffer < static_cast<size_t>(mCaps.maxDrawBuffers));
+        Framebuffer *framebuffer = mDrawFramebuffer;
+        // The default framebuffer may have fewer draw buffer states than a user-created one. The
+        // user is always allowed to query up to GL_MAX_DRAWBUFFERS so just return GL_NONE here if
+        // the draw buffer is out of range for this framebuffer.
+        *params = drawBuffer < framebuffer->getDrawbufferStateCount()
+                      ? framebuffer->getDrawBufferState(drawBuffer)
+                      : GL_NONE;
+        return angle::Result::Continue;
+    }
+
+    // Please note: DEPTH_CLEAR_VALUE is not included in our internal getIntegerv implementation
+    // because it is stored as a float, despite the fact that the GL ES 2.0 spec names
+    // GetIntegerv as its native query function. As it would require conversion in any
+    // case, this should make no difference to the calling application. You may find it in
+    // State::getFloatv.
+    switch (pname)
+    {
+        case GL_ARRAY_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::Array].id().value;
+            break;
+        case GL_DRAW_INDIRECT_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::DrawIndirect].id().value;
+            break;
+        case GL_ELEMENT_ARRAY_BUFFER_BINDING:
+        {
+            Buffer *elementArrayBuffer = getVertexArray()->getElementArrayBuffer();
+            *params                    = elementArrayBuffer ? elementArrayBuffer->id().value : 0;
+            break;
+        }
+        case GL_DRAW_FRAMEBUFFER_BINDING:
+            static_assert(GL_DRAW_FRAMEBUFFER_BINDING == GL_DRAW_FRAMEBUFFER_BINDING_ANGLE,
+                          "Enum mismatch");
+            *params = mDrawFramebuffer->id().value;
+            break;
+        case GL_READ_FRAMEBUFFER_BINDING:
+            static_assert(GL_READ_FRAMEBUFFER_BINDING == GL_READ_FRAMEBUFFER_BINDING_ANGLE,
+                          "Enum mismatch");
+            *params = mReadFramebuffer->id().value;
+            break;
+        case GL_RENDERBUFFER_BINDING:
+            *params = mRenderbuffer.id().value;
+            break;
+        case GL_VERTEX_ARRAY_BINDING:
+            *params = mVertexArray->id().value;
+            break;
+        case GL_CURRENT_PROGRAM:
+            *params = mProgram ? mProgram->id().value : 0;
+            break;
+        case GL_PACK_ALIGNMENT:
+            *params = mPack.alignment;
+            break;
+        case GL_PACK_REVERSE_ROW_ORDER_ANGLE:
+            *params = mPack.reverseRowOrder;
+            break;
+        case GL_PACK_ROW_LENGTH:
+            *params = mPack.rowLength;
+            break;
+        case GL_PACK_SKIP_ROWS:
+            *params = mPack.skipRows;
+            break;
+        case GL_PACK_SKIP_PIXELS:
+            *params = mPack.skipPixels;
+            break;
+        case GL_UNPACK_ALIGNMENT:
+            *params = mUnpack.alignment;
+            break;
+        case GL_UNPACK_ROW_LENGTH:
+            *params = mUnpack.rowLength;
+            break;
+        case GL_UNPACK_IMAGE_HEIGHT:
+            *params = mUnpack.imageHeight;
+            break;
+        case GL_UNPACK_SKIP_IMAGES:
+            *params = mUnpack.skipImages;
+            break;
+        case GL_UNPACK_SKIP_ROWS:
+            *params = mUnpack.skipRows;
+            break;
+        case GL_UNPACK_SKIP_PIXELS:
+            *params = mUnpack.skipPixels;
+            break;
+        case GL_GENERATE_MIPMAP_HINT:
+            *params = mGenerateMipmapHint;
+            break;
+        case GL_TEXTURE_FILTERING_HINT_CHROMIUM:
+            *params = mTextureFilteringHint;
+            break;
+        case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
+            *params = mFragmentShaderDerivativeHint;
+            break;
+        case GL_ACTIVE_TEXTURE:
+            *params = (static_cast<GLint>(mActiveSampler) + GL_TEXTURE0);
+            break;
+        case GL_STENCIL_FUNC:
+            *params = mDepthStencil.stencilFunc;
+            break;
+        case GL_STENCIL_REF:
+            *params = mStencilRef;
+            break;
+        case GL_STENCIL_VALUE_MASK:
+            *params = CastMaskValue(mDepthStencil.stencilMask);
+            break;
+        case GL_STENCIL_BACK_FUNC:
+            *params = mDepthStencil.stencilBackFunc;
+            break;
+        case GL_STENCIL_BACK_REF:
+            *params = mStencilBackRef;
+            break;
+        case GL_STENCIL_BACK_VALUE_MASK:
+            *params = CastMaskValue(mDepthStencil.stencilBackMask);
+            break;
+        case GL_STENCIL_FAIL:
+            *params = mDepthStencil.stencilFail;
+            break;
+        case GL_STENCIL_PASS_DEPTH_FAIL:
+            *params = mDepthStencil.stencilPassDepthFail;
+            break;
+        case GL_STENCIL_PASS_DEPTH_PASS:
+            *params = mDepthStencil.stencilPassDepthPass;
+            break;
+        case GL_STENCIL_BACK_FAIL:
+            *params = mDepthStencil.stencilBackFail;
+            break;
+        case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
+            *params = mDepthStencil.stencilBackPassDepthFail;
+            break;
+        case GL_STENCIL_BACK_PASS_DEPTH_PASS:
+            *params = mDepthStencil.stencilBackPassDepthPass;
+            break;
+        case GL_DEPTH_FUNC:
+            *params = mDepthStencil.depthFunc;
+            break;
+        case GL_BLEND_SRC_RGB:
+            // non-indexed get returns the state of draw buffer zero
+            *params = mBlendStateExt.getSrcColorIndexed(0);
+            break;
+        case GL_BLEND_SRC_ALPHA:
+            *params = mBlendStateExt.getSrcAlphaIndexed(0);
+            break;
+        case GL_BLEND_DST_RGB:
+            *params = mBlendStateExt.getDstColorIndexed(0);
+            break;
+        case GL_BLEND_DST_ALPHA:
+            *params = mBlendStateExt.getDstAlphaIndexed(0);
+            break;
+        case GL_BLEND_EQUATION_RGB:
+            *params = mBlendStateExt.getEquationColorIndexed(0);
+            break;
+        case GL_BLEND_EQUATION_ALPHA:
+            *params = mBlendStateExt.getEquationAlphaIndexed(0);
+            break;
+        case GL_STENCIL_WRITEMASK:
+            *params = CastMaskValue(mDepthStencil.stencilWritemask);
+            break;
+        case GL_STENCIL_BACK_WRITEMASK:
+            *params = CastMaskValue(mDepthStencil.stencilBackWritemask);
+            break;
+        case GL_STENCIL_CLEAR_VALUE:
+            *params = mStencilClearValue;
+            break;
+        case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+            *params = mReadFramebuffer->getImplementationColorReadType(context);
+            break;
+        case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+            *params = mReadFramebuffer->getImplementationColorReadFormat(context);
+            break;
+        case GL_SAMPLE_BUFFERS:
+        case GL_SAMPLES:
+        {
+            Framebuffer *framebuffer = mDrawFramebuffer;
+            if (framebuffer->isComplete(context))
+            {
+                GLint samples = framebuffer->getSamples(context);
+                switch (pname)
+                {
+                    case GL_SAMPLE_BUFFERS:
+                        if (samples != 0)
+                        {
+                            *params = 1;
+                        }
+                        else
+                        {
+                            *params = 0;
+                        }
+                        break;
+                    case GL_SAMPLES:
+                        *params = samples;
+                        break;
+                }
+            }
+            else
+            {
+                *params = 0;
+            }
+        }
+        break;
+        case GL_VIEWPORT:
+            params[0] = mViewport.x;
+            params[1] = mViewport.y;
+            params[2] = mViewport.width;
+            params[3] = mViewport.height;
+            break;
+        case GL_SCISSOR_BOX:
+            params[0] = mScissor.x;
+            params[1] = mScissor.y;
+            params[2] = mScissor.width;
+            params[3] = mScissor.height;
+            break;
+        case GL_CULL_FACE_MODE:
+            *params = ToGLenum(mRasterizer.cullMode);
+            break;
+        case GL_FRONT_FACE:
+            *params = mRasterizer.frontFace;
+            break;
+        case GL_RED_BITS:
+        case GL_GREEN_BITS:
+        case GL_BLUE_BITS:
+        case GL_ALPHA_BITS:
+        {
+            Framebuffer *framebuffer                 = getDrawFramebuffer();
+            const FramebufferAttachment *colorbuffer = framebuffer->getFirstColorAttachment();
+
+            if (colorbuffer)
+            {
+                switch (pname)
+                {
+                    case GL_RED_BITS:
+                        *params = colorbuffer->getRedSize();
+                        break;
+                    case GL_GREEN_BITS:
+                        *params = colorbuffer->getGreenSize();
+                        break;
+                    case GL_BLUE_BITS:
+                        *params = colorbuffer->getBlueSize();
+                        break;
+                    case GL_ALPHA_BITS:
+                        *params = colorbuffer->getAlphaSize();
+                        break;
+                }
+            }
+            else
+            {
+                *params = 0;
+            }
+        }
+        break;
+        case GL_DEPTH_BITS:
+        {
+            const Framebuffer *framebuffer           = getDrawFramebuffer();
+            const FramebufferAttachment *depthbuffer = framebuffer->getDepthAttachment();
+
+            if (depthbuffer)
+            {
+                *params = depthbuffer->getDepthSize();
+            }
+            else
+            {
+                *params = 0;
+            }
+        }
+        break;
+        case GL_STENCIL_BITS:
+        {
+            const Framebuffer *framebuffer             = getDrawFramebuffer();
+            const FramebufferAttachment *stencilbuffer = framebuffer->getStencilAttachment();
+
+            if (stencilbuffer)
+            {
+                *params = stencilbuffer->getStencilSize();
+            }
+            else
+            {
+                *params = 0;
+            }
+        }
+        break;
+        case GL_TEXTURE_BINDING_2D:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params =
+                getSamplerTextureId(static_cast<unsigned int>(mActiveSampler), TextureType::_2D)
+                    .value;
+            break;
+        case GL_TEXTURE_BINDING_RECTANGLE_ANGLE:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params = getSamplerTextureId(static_cast<unsigned int>(mActiveSampler),
+                                          TextureType::Rectangle)
+                          .value;
+            break;
+        case GL_TEXTURE_BINDING_CUBE_MAP:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params =
+                getSamplerTextureId(static_cast<unsigned int>(mActiveSampler), TextureType::CubeMap)
+                    .value;
+            break;
+        case GL_TEXTURE_BINDING_3D:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params =
+                getSamplerTextureId(static_cast<unsigned int>(mActiveSampler), TextureType::_3D)
+                    .value;
+            break;
+        case GL_TEXTURE_BINDING_2D_ARRAY:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params = getSamplerTextureId(static_cast<unsigned int>(mActiveSampler),
+                                          TextureType::_2DArray)
+                          .value;
+            break;
+        case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params = getSamplerTextureId(static_cast<unsigned int>(mActiveSampler),
+                                          TextureType::_2DMultisample)
+                          .value;
+            break;
+        case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params = getSamplerTextureId(static_cast<unsigned int>(mActiveSampler),
+                                          TextureType::_2DMultisampleArray)
+                          .value;
+            break;
+        case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params = getSamplerTextureId(static_cast<unsigned int>(mActiveSampler),
+                                          TextureType::CubeMapArray)
+                          .value;
+            break;
+        case GL_TEXTURE_BINDING_EXTERNAL_OES:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params = getSamplerTextureId(static_cast<unsigned int>(mActiveSampler),
+                                          TextureType::External)
+                          .value;
+            break;
+
+        // GL_OES_texture_buffer
+        case GL_TEXTURE_BINDING_BUFFER:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params =
+                getSamplerTextureId(static_cast<unsigned int>(mActiveSampler), TextureType::Buffer)
+                    .value;
+            break;
+        case GL_TEXTURE_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::Texture].id().value;
+            break;
+
+        case GL_UNIFORM_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::Uniform].id().value;
+            break;
+        case GL_TRANSFORM_FEEDBACK_BINDING:
+            *params = mTransformFeedback.id().value;
+            break;
+        case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::TransformFeedback].id().value;
+            break;
+        case GL_COPY_READ_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::CopyRead].id().value;
+            break;
+        case GL_COPY_WRITE_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::CopyWrite].id().value;
+            break;
+        case GL_PIXEL_PACK_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::PixelPack].id().value;
+            break;
+        case GL_PIXEL_UNPACK_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::PixelUnpack].id().value;
+            break;
+
+        case GL_READ_BUFFER:
+            *params = mReadFramebuffer->getReadBufferState();
+            break;
+        case GL_SAMPLER_BINDING:
+            ASSERT(mActiveSampler < mCaps.maxCombinedTextureImageUnits);
+            *params = getSamplerId(static_cast<GLuint>(mActiveSampler)).value;
+            break;
+        case GL_DEBUG_LOGGED_MESSAGES:
+            *params = static_cast<GLint>(mDebug.getMessageCount());
+            break;
+        case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH:
+            *params = static_cast<GLint>(mDebug.getNextMessageLength());
+            break;
+        case GL_DEBUG_GROUP_STACK_DEPTH:
+            *params = static_cast<GLint>(mDebug.getGroupStackDepth());
+            break;
+        case GL_MULTISAMPLE_EXT:
+            *params = static_cast<GLint>(mMultiSampling);
+            break;
+        case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+            *params = static_cast<GLint>(mSampleAlphaToOne);
+            break;
+        case GL_COVERAGE_MODULATION_CHROMIUM:
+            *params = static_cast<GLint>(mCoverageModulation);
+            break;
+        case GL_ATOMIC_COUNTER_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::AtomicCounter].id().value;
+            break;
+        case GL_SHADER_STORAGE_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::ShaderStorage].id().value;
+            break;
+        case GL_DISPATCH_INDIRECT_BUFFER_BINDING:
+            *params = mBoundBuffers[BufferBinding::DispatchIndirect].id().value;
+            break;
+        case GL_ALPHA_TEST_FUNC:
+            *params = ToGLenum(mGLES1State.mAlphaTestFunc);
+            break;
+        case GL_CLIENT_ACTIVE_TEXTURE:
+            *params = mGLES1State.mClientActiveTexture + GL_TEXTURE0;
+            break;
+        case GL_MATRIX_MODE:
+            *params = ToGLenum(mGLES1State.mMatrixMode);
+            break;
+        case GL_SHADE_MODEL:
+            *params = ToGLenum(mGLES1State.mShadeModel);
+            break;
+        case GL_MODELVIEW_STACK_DEPTH:
+        case GL_PROJECTION_STACK_DEPTH:
+        case GL_TEXTURE_STACK_DEPTH:
+            *params = mGLES1State.getCurrentMatrixStackDepth(pname);
+            break;
+        case GL_LOGIC_OP_MODE:
+            *params = ToGLenum(mGLES1State.mLogicOp);
+            break;
+        case GL_BLEND_SRC:
+            // non-indexed get returns the state of draw buffer zero
+            *params = mBlendStateExt.getSrcColorIndexed(0);
+            break;
+        case GL_BLEND_DST:
+            *params = mBlendStateExt.getDstColorIndexed(0);
+            break;
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+        case GL_POINT_SMOOTH_HINT:
+        case GL_LINE_SMOOTH_HINT:
+        case GL_FOG_HINT:
+            *params = mGLES1State.getHint(pname);
+            break;
+
+        // GL_ANGLE_provoking_vertex
+        case GL_PROVOKING_VERTEX:
+            *params = ToGLenum(mProvokingVertex);
+            break;
+
+        case GL_PROGRAM_PIPELINE_BINDING:
+        {
+            ProgramPipeline *pipeline = getProgramPipeline();
+            if (pipeline)
+            {
+                *params = pipeline->id().value;
+            }
+            else
+            {
+                *params = 0;
+            }
+            break;
+        }
+        case GL_PATCH_VERTICES:
+            *params = mPatchVertices;
+            break;
+
+        // GL_EXT_clip_control
+        case GL_CLIP_ORIGIN_EXT:
+            *params = mClipControlOrigin;
+            break;
+        case GL_CLIP_DEPTH_MODE_EXT:
+            *params = mClipControlDepth;
+            break;
+
+        // GL_QCOM_shading_rate
+        case GL_SHADING_RATE_QCOM:
+            *params = ToGLenum(mShadingRate);
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return angle::Result::Continue;
+}
+
+void State::getPointerv(const Context *context, GLenum pname, void **params) const
+{
+    switch (pname)
+    {
+        case GL_DEBUG_CALLBACK_FUNCTION:
+            *params = reinterpret_cast<void *>(mDebug.getCallback());
+            break;
+        case GL_DEBUG_CALLBACK_USER_PARAM:
+            *params = const_cast<void *>(mDebug.getUserParam());
+            break;
+        case GL_VERTEX_ARRAY_POINTER:
+        case GL_NORMAL_ARRAY_POINTER:
+        case GL_COLOR_ARRAY_POINTER:
+        case GL_TEXTURE_COORD_ARRAY_POINTER:
+        case GL_POINT_SIZE_ARRAY_POINTER_OES:
+            QueryVertexAttribPointerv(getVertexArray()->getVertexAttribute(
+                                          context->vertexArrayIndex(ParamToVertexArrayType(pname))),
+                                      GL_VERTEX_ATTRIB_ARRAY_POINTER, params);
+            return;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void State::getIntegeri_v(const Context *context, GLenum target, GLuint index, GLint *data) const
+{
+    switch (target)
+    {
+        case GL_BLEND_SRC_RGB:
+            ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+            *data = mBlendStateExt.getSrcColorIndexed(index);
+            break;
+        case GL_BLEND_SRC_ALPHA:
+            ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+            *data = mBlendStateExt.getSrcAlphaIndexed(index);
+            break;
+        case GL_BLEND_DST_RGB:
+            ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+            *data = mBlendStateExt.getDstColorIndexed(index);
+            break;
+        case GL_BLEND_DST_ALPHA:
+            ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+            *data = mBlendStateExt.getDstAlphaIndexed(index);
+            break;
+        case GL_BLEND_EQUATION_RGB:
+            ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+            *data = mBlendStateExt.getEquationColorIndexed(index);
+            break;
+        case GL_BLEND_EQUATION_ALPHA:
+            ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+            *data = mBlendStateExt.getEquationAlphaIndexed(index);
+            break;
+        case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
+            ASSERT(static_cast<size_t>(index) < mTransformFeedback->getIndexedBufferCount());
+            *data = mTransformFeedback->getIndexedBuffer(index).id().value;
+            break;
+        case GL_UNIFORM_BUFFER_BINDING:
+            ASSERT(static_cast<size_t>(index) < mUniformBuffers.size());
+            *data = mUniformBuffers[index].id().value;
+            break;
+        case GL_ATOMIC_COUNTER_BUFFER_BINDING:
+            ASSERT(static_cast<size_t>(index) < mAtomicCounterBuffers.size());
+            *data = mAtomicCounterBuffers[index].id().value;
+            break;
+        case GL_SHADER_STORAGE_BUFFER_BINDING:
+            ASSERT(static_cast<size_t>(index) < mShaderStorageBuffers.size());
+            *data = mShaderStorageBuffers[index].id().value;
+            break;
+        case GL_VERTEX_BINDING_BUFFER:
+            ASSERT(static_cast<size_t>(index) < mVertexArray->getMaxBindings());
+            *data = mVertexArray->getVertexBinding(index).getBuffer().id().value;
+            break;
+        case GL_VERTEX_BINDING_DIVISOR:
+            ASSERT(static_cast<size_t>(index) < mVertexArray->getMaxBindings());
+            *data = mVertexArray->getVertexBinding(index).getDivisor();
+            break;
+        case GL_VERTEX_BINDING_OFFSET:
+            ASSERT(static_cast<size_t>(index) < mVertexArray->getMaxBindings());
+            *data = static_cast<GLuint>(mVertexArray->getVertexBinding(index).getOffset());
+            break;
+        case GL_VERTEX_BINDING_STRIDE:
+            ASSERT(static_cast<size_t>(index) < mVertexArray->getMaxBindings());
+            *data = mVertexArray->getVertexBinding(index).getStride();
+            break;
+        case GL_SAMPLE_MASK_VALUE:
+            ASSERT(static_cast<size_t>(index) < mSampleMaskValues.size());
+            *data = mSampleMaskValues[index];
+            break;
+        case GL_IMAGE_BINDING_NAME:
+            ASSERT(static_cast<size_t>(index) < mImageUnits.size());
+            *data = mImageUnits[index].texture.id().value;
+            break;
+        case GL_IMAGE_BINDING_LEVEL:
+            ASSERT(static_cast<size_t>(index) < mImageUnits.size());
+            *data = mImageUnits[index].level;
+            break;
+        case GL_IMAGE_BINDING_LAYER:
+            ASSERT(static_cast<size_t>(index) < mImageUnits.size());
+            *data = mImageUnits[index].layer;
+            break;
+        case GL_IMAGE_BINDING_ACCESS:
+            ASSERT(static_cast<size_t>(index) < mImageUnits.size());
+            *data = mImageUnits[index].access;
+            break;
+        case GL_IMAGE_BINDING_FORMAT:
+            ASSERT(static_cast<size_t>(index) < mImageUnits.size());
+            *data = mImageUnits[index].format;
+            break;
+        // GL_ANGLE_shader_pixel_local_storage.
+        case GL_PIXEL_LOCAL_FORMAT_ANGLE:
+        case GL_PIXEL_LOCAL_TEXTURE_NAME_ANGLE:
+        case GL_PIXEL_LOCAL_TEXTURE_LEVEL_ANGLE:
+        case GL_PIXEL_LOCAL_TEXTURE_LAYER_ANGLE:
+        {
+            ASSERT(mDrawFramebuffer);
+            *data = mDrawFramebuffer->getPixelLocalStorage(context).getPlane(index).getIntegeri(
+                context, target, index);
+            break;
+        }
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void State::getInteger64i_v(GLenum target, GLuint index, GLint64 *data) const
+{
+    switch (target)
+    {
+        case GL_TRANSFORM_FEEDBACK_BUFFER_START:
+            ASSERT(static_cast<size_t>(index) < mTransformFeedback->getIndexedBufferCount());
+            *data = mTransformFeedback->getIndexedBuffer(index).getOffset();
+            break;
+        case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
+            ASSERT(static_cast<size_t>(index) < mTransformFeedback->getIndexedBufferCount());
+            *data = mTransformFeedback->getIndexedBuffer(index).getSize();
+            break;
+        case GL_UNIFORM_BUFFER_START:
+            ASSERT(static_cast<size_t>(index) < mUniformBuffers.size());
+            *data = mUniformBuffers[index].getOffset();
+            break;
+        case GL_UNIFORM_BUFFER_SIZE:
+            ASSERT(static_cast<size_t>(index) < mUniformBuffers.size());
+            *data = mUniformBuffers[index].getSize();
+            break;
+        case GL_ATOMIC_COUNTER_BUFFER_START:
+            ASSERT(static_cast<size_t>(index) < mAtomicCounterBuffers.size());
+            *data = mAtomicCounterBuffers[index].getOffset();
+            break;
+        case GL_ATOMIC_COUNTER_BUFFER_SIZE:
+            ASSERT(static_cast<size_t>(index) < mAtomicCounterBuffers.size());
+            *data = mAtomicCounterBuffers[index].getSize();
+            break;
+        case GL_SHADER_STORAGE_BUFFER_START:
+            ASSERT(static_cast<size_t>(index) < mShaderStorageBuffers.size());
+            *data = mShaderStorageBuffers[index].getOffset();
+            break;
+        case GL_SHADER_STORAGE_BUFFER_SIZE:
+            ASSERT(static_cast<size_t>(index) < mShaderStorageBuffers.size());
+            *data = mShaderStorageBuffers[index].getSize();
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void State::getBooleani_v(GLenum target, GLuint index, GLboolean *data) const
+{
+    switch (target)
+    {
+        case GL_COLOR_WRITEMASK:
+        {
+            ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+            bool r, g, b, a;
+            mBlendStateExt.getColorMaskIndexed(index, &r, &g, &b, &a);
+            data[0] = r;
+            data[1] = g;
+            data[2] = b;
+            data[3] = a;
+            break;
+        }
+        case GL_IMAGE_BINDING_LAYERED:
+            ASSERT(static_cast<size_t>(index) < mImageUnits.size());
+            *data = mImageUnits[index].layered;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+// TODO(http://anglebug.com/3889): Remove this helper function after blink and chromium part
+// refactor done.
+Texture *State::getTextureForActiveSampler(TextureType type, size_t index)
+{
+    if (type != TextureType::VideoImage)
+    {
+        return mSamplerTextures[type][index].get();
+    }
+
+    ASSERT(type == TextureType::VideoImage);
+
+    Texture *candidateTexture = mSamplerTextures[type][index].get();
+    if (candidateTexture->getWidth(TextureTarget::VideoImage, 0) == 0 ||
+        candidateTexture->getHeight(TextureTarget::VideoImage, 0) == 0 ||
+        candidateTexture->getDepth(TextureTarget::VideoImage, 0) == 0)
+    {
+        return mSamplerTextures[TextureType::_2D][index].get();
+    }
+
+    return mSamplerTextures[type][index].get();
+}
+
+angle::Result State::syncActiveTextures(const Context *context, Command command)
+{
+    if (mDirtyActiveTextures.none())
+    {
+        return angle::Result::Continue;
+    }
+
+    for (size_t textureUnit : mDirtyActiveTextures)
+    {
+        if (mExecutable)
+        {
+            TextureType type       = mExecutable->getActiveSamplerTypes()[textureUnit];
+            Texture *activeTexture = (type != TextureType::InvalidEnum)
+                                         ? getTextureForActiveSampler(type, textureUnit)
+                                         : nullptr;
+            const Sampler *sampler = mSamplers[textureUnit].get();
+
+            updateActiveTextureStateOnSync(context, textureUnit, sampler, activeTexture);
+        }
+    }
+
+    mDirtyActiveTextures.reset();
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncTexturesInit(const Context *context, Command command)
+{
+    ASSERT(mRobustResourceInit);
+
+    if (!mProgram)
+        return angle::Result::Continue;
+
+    for (size_t textureUnitIndex : mExecutable->getActiveSamplersMask())
+    {
+        Texture *texture = mActiveTexturesCache[textureUnitIndex];
+        if (texture)
+        {
+            ANGLE_TRY(texture->ensureInitialized(context));
+        }
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncImagesInit(const Context *context, Command command)
+{
+    ASSERT(mRobustResourceInit);
+    ASSERT(mExecutable);
+    for (size_t imageUnitIndex : mExecutable->getActiveImagesMask())
+    {
+        Texture *texture = mImageUnits[imageUnitIndex].texture.get();
+        if (texture)
+        {
+            ANGLE_TRY(texture->ensureInitialized(context));
+        }
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncReadAttachments(const Context *context, Command command)
+{
+    ASSERT(mReadFramebuffer);
+    ASSERT(mRobustResourceInit);
+    return mReadFramebuffer->ensureReadAttachmentsInitialized(context);
+}
+
+angle::Result State::syncDrawAttachments(const Context *context, Command command)
+{
+    ASSERT(mDrawFramebuffer);
+    ASSERT(mRobustResourceInit);
+    return mDrawFramebuffer->ensureDrawAttachmentsInitialized(context);
+}
+
+angle::Result State::syncReadFramebuffer(const Context *context, Command command)
+{
+    ASSERT(mReadFramebuffer);
+    return mReadFramebuffer->syncState(context, GL_READ_FRAMEBUFFER, command);
+}
+
+angle::Result State::syncDrawFramebuffer(const Context *context, Command command)
+{
+    ASSERT(mDrawFramebuffer);
+    mDrawFramebuffer->setWriteControlMode(context->getState().getFramebufferSRGB()
+                                              ? SrgbWriteControlMode::Default
+                                              : SrgbWriteControlMode::Linear);
+    return mDrawFramebuffer->syncState(context, GL_DRAW_FRAMEBUFFER, command);
+}
+
+angle::Result State::syncTextures(const Context *context, Command command)
+{
+    if (mDirtyTextures.none())
+        return angle::Result::Continue;
+
+    for (size_t textureIndex : mDirtyTextures)
+    {
+        Texture *texture = mActiveTexturesCache[textureIndex];
+        if (texture && texture->hasAnyDirtyBit())
+        {
+            ANGLE_TRY(texture->syncState(context, Command::Other));
+        }
+    }
+
+    mDirtyTextures.reset();
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncImages(const Context *context, Command command)
+{
+    if (mDirtyImages.none())
+        return angle::Result::Continue;
+
+    for (size_t imageUnitIndex : mDirtyImages)
+    {
+        Texture *texture = mImageUnits[imageUnitIndex].texture.get();
+        if (texture && texture->hasAnyDirtyBit())
+        {
+            ANGLE_TRY(texture->syncState(context, Command::Other));
+        }
+    }
+
+    mDirtyImages.reset();
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncSamplers(const Context *context, Command command)
+{
+    if (mDirtySamplers.none())
+        return angle::Result::Continue;
+
+    for (size_t samplerIndex : mDirtySamplers)
+    {
+        BindingPointer<Sampler> &sampler = mSamplers[samplerIndex];
+        if (sampler.get() && sampler->isDirty())
+        {
+            ANGLE_TRY(sampler->syncState(context));
+        }
+    }
+
+    mDirtySamplers.reset();
+
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncVertexArray(const Context *context, Command command)
+{
+    ASSERT(mVertexArray);
+    return mVertexArray->syncState(context);
+}
+
+angle::Result State::syncProgram(const Context *context, Command command)
+{
+    // There may not be a program if the calling application only uses program pipelines.
+    if (mProgram)
+    {
+        return mProgram->syncState(context);
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncProgramPipelineObject(const Context *context, Command command)
+{
+    // If a ProgramPipeline is bound, ensure it is linked.
+    if (mProgramPipeline.get())
+    {
+        mProgramPipeline->resolveLink(context);
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result State::syncDirtyObject(const Context *context, GLenum target)
+{
+    DirtyObjects localSet;
+
+    switch (target)
+    {
+        case GL_READ_FRAMEBUFFER:
+            localSet.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+            break;
+        case GL_DRAW_FRAMEBUFFER:
+            localSet.set(DIRTY_OBJECT_DRAW_FRAMEBUFFER);
+            break;
+        case GL_FRAMEBUFFER:
+            localSet.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+            localSet.set(DIRTY_OBJECT_DRAW_FRAMEBUFFER);
+            break;
+        case GL_VERTEX_ARRAY:
+            localSet.set(DIRTY_OBJECT_VERTEX_ARRAY);
+            break;
+        case GL_TEXTURE:
+            localSet.set(DIRTY_OBJECT_TEXTURES);
+            break;
+        case GL_SAMPLER:
+            localSet.set(DIRTY_OBJECT_SAMPLERS);
+            break;
+        case GL_PROGRAM:
+            localSet.set(DIRTY_OBJECT_PROGRAM);
+            break;
+    }
+
+    return syncDirtyObjects(context, localSet, Command::Other);
+}
+
+void State::setObjectDirty(GLenum target)
+{
+    switch (target)
+    {
+        case GL_READ_FRAMEBUFFER:
+            mDirtyObjects.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+            break;
+        case GL_DRAW_FRAMEBUFFER:
+            setDrawFramebufferDirty();
+            break;
+        case GL_FRAMEBUFFER:
+            mDirtyObjects.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+            setDrawFramebufferDirty();
+            break;
+        case GL_VERTEX_ARRAY:
+            mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+            break;
+        case GL_PROGRAM:
+            mDirtyObjects.set(DIRTY_OBJECT_PROGRAM);
+            break;
+        default:
+            break;
+    }
+}
+
+angle::Result State::onProgramExecutableChange(const Context *context, Program *program)
+{
+    // OpenGL Spec:
+    // "If LinkProgram or ProgramBinary successfully re-links a program object
+    //  that was already in use as a result of a previous call to UseProgram, then the
+    //  generated executable code will be installed as part of the current rendering state."
+    ASSERT(program->isLinked());
+
+    // If this Program is currently active, we need to update the State's pointer to the current
+    // ProgramExecutable if we just changed it.
+    if (mProgram == program)
+    {
+        mExecutable = &program->getExecutable();
+    }
+
+    mDirtyBits.set(DIRTY_BIT_PROGRAM_EXECUTABLE);
+
+    if (program->hasAnyDirtyBit())
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_PROGRAM);
+    }
+
+    // Set any bound textures.
+    const ProgramExecutable &executable        = program->getExecutable();
+    const ActiveTextureTypeArray &textureTypes = executable.getActiveSamplerTypes();
+    for (size_t textureIndex : executable.getActiveSamplersMask())
+    {
+        TextureType type = textureTypes[textureIndex];
+
+        // This can happen if there is a conflicting texture type.
+        if (type == TextureType::InvalidEnum)
+            continue;
+
+        Texture *texture = getTextureForActiveSampler(type, textureIndex);
+        updateTextureBinding(context, textureIndex, texture);
+    }
+
+    for (size_t imageUnitIndex : executable.getActiveImagesMask())
+    {
+        Texture *image = mImageUnits[imageUnitIndex].texture.get();
+        if (!image)
+            continue;
+
+        if (image->hasAnyDirtyBit())
+        {
+            ANGLE_TRY(image->syncState(context, Command::Other));
+        }
+
+        if (mRobustResourceInit && image->initState() == InitState::MayNeedInit)
+        {
+            mDirtyObjects.set(DIRTY_OBJECT_IMAGES_INIT);
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result State::onProgramPipelineExecutableChange(const Context *context)
+{
+    mDirtyBits.set(DIRTY_BIT_PROGRAM_EXECUTABLE);
+
+    if (!mProgramPipeline->isLinked())
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_PROGRAM_PIPELINE_OBJECT);
+    }
+
+    // Set any bound textures.
+    const ProgramExecutable &executable        = mProgramPipeline->getExecutable();
+    const ActiveTextureTypeArray &textureTypes = executable.getActiveSamplerTypes();
+
+    for (size_t textureIndex : executable.getActiveSamplersMask())
+    {
+        TextureType type = textureTypes[textureIndex];
+
+        // This can happen if there is a conflicting texture type.
+        if (type == TextureType::InvalidEnum)
+            continue;
+
+        Texture *texture = getTextureForActiveSampler(type, textureIndex);
+        updateTextureBinding(context, textureIndex, texture);
+    }
+
+    for (size_t imageUnitIndex : executable.getActiveImagesMask())
+    {
+        Texture *image = mImageUnits[imageUnitIndex].texture.get();
+        if (!image)
+            continue;
+
+        if (image->hasAnyDirtyBit())
+        {
+            ANGLE_TRY(image->syncState(context, Command::Other));
+        }
+
+        if (mRobustResourceInit && image->initState() == InitState::MayNeedInit)
+        {
+            mDirtyObjects.set(DIRTY_OBJECT_IMAGES_INIT);
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+void State::setTextureDirty(size_t textureUnitIndex)
+{
+    mDirtyObjects.set(DIRTY_OBJECT_TEXTURES);
+    mDirtyTextures.set(textureUnitIndex);
+}
+
+void State::setSamplerDirty(size_t samplerIndex)
+{
+    mDirtyObjects.set(DIRTY_OBJECT_SAMPLERS);
+    mDirtySamplers.set(samplerIndex);
+}
+
+void State::setImageUnit(const Context *context,
+                         size_t unit,
+                         Texture *texture,
+                         GLint level,
+                         GLboolean layered,
+                         GLint layer,
+                         GLenum access,
+                         GLenum format)
+{
+    ASSERT(!mImageUnits.empty());
+
+    ImageUnit &imageUnit = mImageUnits[unit];
+
+    if (texture)
+    {
+        texture->onBindAsImageTexture();
+
+        // Using individual layers of a 3d image as 2d may require that the image be respecified in
+        // a compatible layout
+        if (!layered && texture->getType() == TextureType::_3D)
+        {
+            texture->onBind3DTextureAs2DImage();
+        }
+    }
+    imageUnit.texture.set(context, texture);
+    imageUnit.level   = level;
+    imageUnit.layered = layered;
+    imageUnit.layer   = layer;
+    imageUnit.access  = access;
+    imageUnit.format  = format;
+    mDirtyBits.set(DIRTY_BIT_IMAGE_BINDINGS);
+
+    onImageStateChange(context, unit);
+}
+
+// Handle a dirty texture event.
+void State::onActiveTextureChange(const Context *context, size_t textureUnit)
+{
+    if (mExecutable)
+    {
+        TextureType type       = mExecutable->getActiveSamplerTypes()[textureUnit];
+        Texture *activeTexture = (type != TextureType::InvalidEnum)
+                                     ? getTextureForActiveSampler(type, textureUnit)
+                                     : nullptr;
+        updateTextureBinding(context, textureUnit, activeTexture);
+
+        mExecutable->onStateChange(angle::SubjectMessage::ProgramTextureOrImageBindingChanged);
+    }
+}
+
+void State::onActiveTextureStateChange(const Context *context, size_t textureUnit)
+{
+    if (mExecutable)
+    {
+        TextureType type       = mExecutable->getActiveSamplerTypes()[textureUnit];
+        Texture *activeTexture = (type != TextureType::InvalidEnum)
+                                     ? getTextureForActiveSampler(type, textureUnit)
+                                     : nullptr;
+        setActiveTextureDirty(textureUnit, activeTexture);
+    }
+}
+
+void State::onImageStateChange(const Context *context, size_t unit)
+{
+    if (mExecutable)
+    {
+        const ImageUnit &image = mImageUnits[unit];
+
+        // Have nothing to do here if no texture bound
+        if (!image.texture.get())
+            return;
+
+        if (image.texture->hasAnyDirtyBit())
+        {
+            mDirtyImages.set(unit);
+            mDirtyObjects.set(DIRTY_OBJECT_IMAGES);
+        }
+
+        if (mRobustResourceInit && image.texture->initState() == InitState::MayNeedInit)
+        {
+            mDirtyObjects.set(DIRTY_OBJECT_IMAGES_INIT);
+        }
+
+        mExecutable->onStateChange(angle::SubjectMessage::ProgramTextureOrImageBindingChanged);
+    }
+}
+
+void State::onUniformBufferStateChange(size_t uniformBufferIndex)
+{
+    // This could be represented by a different dirty bit. Using the same one keeps it simple.
+    mDirtyBits.set(DIRTY_BIT_UNIFORM_BUFFER_BINDINGS);
+}
+
+void State::onAtomicCounterBufferStateChange(size_t atomicCounterBufferIndex)
+{
+    mDirtyBits.set(DIRTY_BIT_ATOMIC_COUNTER_BUFFER_BINDING);
+}
+
+void State::onShaderStorageBufferStateChange(size_t shaderStorageBufferIndex)
+{
+    mDirtyBits.set(DIRTY_BIT_SHADER_STORAGE_BUFFER_BINDING);
+}
+
+AttributesMask State::getAndResetDirtyCurrentValues() const
+{
+    AttributesMask retVal = mDirtyCurrentValues;
+    mDirtyCurrentValues.reset();
+    return retVal;
+}
+
+State::ExtendedDirtyBits State::getAndResetExtendedDirtyBits() const
+{
+    ExtendedDirtyBits retVal = mExtendedDirtyBits;
+    mExtendedDirtyBits.reset();
+    return retVal;
+}
+
+void State::initializeForCapture(const Context *context)
+{
+    mCaps       = context->getCaps();
+    mExtensions = context->getExtensions();
+
+    // This little kludge gets around the frame capture "constness". It should be safe because
+    // nothing in the context is modified in a non-compatible way during capture.
+    Context *mutableContext = const_cast<Context *>(context);
+    initialize(mutableContext);
+}
+
+void State::setLogicOpEnabled(bool enabled)
+{
+    if (mLogicOpEnabled != enabled)
+    {
+        mLogicOpEnabled = enabled;
+        mDirtyBits.set(DIRTY_BIT_EXTENDED);
+        mExtendedDirtyBits.set(EXTENDED_DIRTY_BIT_LOGIC_OP_ENABLED);
+    }
+}
+
+void State::setLogicOp(LogicalOperation opcode)
+{
+    if (mLogicOp != opcode)
+    {
+        mLogicOp = opcode;
+        mDirtyBits.set(DIRTY_BIT_EXTENDED);
+        mExtendedDirtyBits.set(EXTENDED_DIRTY_BIT_LOGIC_OP);
+    }
+}
+
+constexpr State::DirtyObjectHandler State::kDirtyObjectHandlers[DIRTY_OBJECT_MAX];
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/State.h b/gfx/angle/checkout/src/libANGLE/State.h
new file mode 100644
index 0000000000..08098599e1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/State.h
@@ -0,0 +1,1258 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// State.h: Defines the State class, encapsulating raw GL state
+
+#ifndef LIBANGLE_STATE_H_
+#define LIBANGLE_STATE_H_
+
+#include <bitset>
+#include <memory>
+
+#include "common/Color.h"
+#include "common/angleutils.h"
+#include "common/bitset_utils.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/GLES1State.h"
+#include "libANGLE/Overlay.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ProgramExecutable.h"
+#include "libANGLE/ProgramPipeline.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Sampler.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/TransformFeedback.h"
+#include "libANGLE/Version.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/angletypes.h"
+
+namespace egl
+{
+class ShareGroup;
+}  // namespace egl
+
+namespace gl
+{
+class BufferManager;
+struct Caps;
+class Context;
+class FramebufferManager;
+class MemoryObjectManager;
+class ProgramPipelineManager;
+class Query;
+class RenderbufferManager;
+class SamplerManager;
+class SemaphoreManager;
+class ShaderProgramManager;
+class SyncManager;
+class TextureManager;
+class VertexArray;
+
+static constexpr Version ES_1_0 = Version(1, 0);
+static constexpr Version ES_1_1 = Version(1, 1);
+static constexpr Version ES_2_0 = Version(2, 0);
+static constexpr Version ES_3_0 = Version(3, 0);
+static constexpr Version ES_3_1 = Version(3, 1);
+static constexpr Version ES_3_2 = Version(3, 2);
+
+template <typename T>
+using BufferBindingMap     = angle::PackedEnumMap<BufferBinding, T>;
+using BoundBufferMap       = BufferBindingMap<BindingPointer<Buffer>>;
+using TextureBindingVector = std::vector<BindingPointer<Texture>>;
+using TextureBindingMap    = angle::PackedEnumMap<TextureType, TextureBindingVector>;
+using ActiveQueryMap       = angle::PackedEnumMap<QueryType, BindingPointer<Query>>;
+
+class ActiveTexturesCache final : angle::NonCopyable
+{
+  public:
+    ActiveTexturesCache();
+    ~ActiveTexturesCache();
+
+    Texture *operator[](size_t textureIndex) const { return mTextures[textureIndex]; }
+
+    void clear();
+    void set(size_t textureIndex, Texture *texture);
+    void reset(size_t textureIndex);
+    bool empty() const;
+    size_t size() const { return mTextures.size(); }
+
+  private:
+    ActiveTextureArray<Texture *> mTextures;
+};
+
+class State : angle::NonCopyable
+{
+  public:
+    State(const State *shareContextState,
+          egl::ShareGroup *shareGroup,
+          TextureManager *shareTextures,
+          SemaphoreManager *shareSemaphores,
+          const OverlayType *overlay,
+          const EGLenum clientType,
+          const Version &clientVersion,
+          EGLint profileMask,
+          bool debug,
+          bool bindGeneratesResourceCHROMIUM,
+          bool clientArraysEnabled,
+          bool robustResourceInit,
+          bool programBinaryCacheEnabled,
+          EGLenum contextPriority,
+          bool hasRobustAccess,
+          bool hasProtectedContent);
+    ~State();
+
+    void initialize(Context *context);
+    void reset(const Context *context);
+
+    // Getters
+    ContextID getContextID() const { return mID; }
+    EGLenum getClientType() const { return mClientType; }
+    EGLint getProfileMask() const { return mProfileMask; }
+    EGLenum getContextPriority() const { return mContextPriority; }
+    bool hasRobustAccess() const { return mHasRobustAccess; }
+    bool hasProtectedContent() const { return mHasProtectedContent; }
+    bool isDebugContext() const { return mIsDebugContext; }
+    GLint getClientMajorVersion() const { return mClientVersion.major; }
+    GLint getClientMinorVersion() const { return mClientVersion.minor; }
+    const Version &getClientVersion() const { return mClientVersion; }
+    const Caps &getCaps() const { return mCaps; }
+    const TextureCapsMap &getTextureCaps() const { return mTextureCaps; }
+    const Extensions &getExtensions() const { return mExtensions; }
+    const Limitations &getLimitations() const { return mLimitations; }
+    egl::ShareGroup *getShareGroup() const { return mShareGroup; }
+
+    bool isWebGL() const { return mExtensions.webglCompatibilityANGLE; }
+
+    bool isWebGL1() const { return (isWebGL() && mClientVersion.major == 2); }
+
+    bool isGLES1() const { return mClientVersion < ES_2_0; }
+
+    const TextureCaps &getTextureCap(GLenum internalFormat) const
+    {
+        return mTextureCaps.get(internalFormat);
+    }
+
+    // State chunk getters
+    bool allActiveDrawBufferChannelsMasked() const;
+    bool anyActiveDrawBufferChannelMasked() const;
+    const RasterizerState &getRasterizerState() const;
+    const BlendState &getBlendState() const { return mBlendState; }
+    const BlendStateExt &getBlendStateExt() const { return mBlendStateExt; }
+    const DepthStencilState &getDepthStencilState() const;
+
+    // Clear behavior setters & state parameter block generation function
+    void setColorClearValue(float red, float green, float blue, float alpha);
+    void setDepthClearValue(float depth);
+    void setStencilClearValue(int stencil);
+
+    const ColorF &getColorClearValue() const { return mColorClearValue; }
+    float getDepthClearValue() const { return mDepthClearValue; }
+    int getStencilClearValue() const { return mStencilClearValue; }
+
+    // Write mask manipulation
+    void setColorMask(bool red, bool green, bool blue, bool alpha);
+    void setColorMaskIndexed(bool red, bool green, bool blue, bool alpha, GLuint index);
+    void setDepthMask(bool mask);
+
+    // Discard toggle & query
+    bool isRasterizerDiscardEnabled() const { return mRasterizer.rasterizerDiscard; }
+    void setRasterizerDiscard(bool enabled);
+
+    // Primitive restart
+    bool isPrimitiveRestartEnabled() const { return mPrimitiveRestart; }
+    void setPrimitiveRestart(bool enabled);
+
+    // Face culling state manipulation
+    bool isCullFaceEnabled() const { return mRasterizer.cullFace; }
+    void setCullFace(bool enabled);
+    void setCullMode(CullFaceMode mode);
+    void setFrontFace(GLenum front);
+
+    // Depth test state manipulation
+    bool isDepthTestEnabled() const { return mDepthStencil.depthTest; }
+    bool isDepthWriteEnabled() const { return mDepthStencil.depthTest && mDepthStencil.depthMask; }
+    void setDepthTest(bool enabled);
+    void setDepthFunc(GLenum depthFunc);
+    void setDepthRange(float zNear, float zFar);
+    float getNearPlane() const { return mNearZ; }
+    float getFarPlane() const { return mFarZ; }
+
+    // Clip control extension
+    void setClipControl(GLenum origin, GLenum depth);
+    bool isClipControlDepthZeroToOne() const { return mClipControlDepth == GL_ZERO_TO_ONE_EXT; }
+    gl::ClipSpaceOrigin getClipSpaceOrigin() const
+    {
+        return mClipControlOrigin == GL_UPPER_LEFT_EXT ? ClipSpaceOrigin::UpperLeft
+                                                       : ClipSpaceOrigin::LowerLeft;
+    }
+
+    // Blend state manipulation
+    bool isBlendEnabled() const { return mBlendStateExt.getEnabledMask().test(0); }
+    bool isBlendEnabledIndexed(GLuint index) const
+    {
+        ASSERT(static_cast<size_t>(index) < mBlendStateExt.getDrawBufferCount());
+        return mBlendStateExt.getEnabledMask().test(index);
+    }
+    DrawBufferMask getBlendEnabledDrawBufferMask() const { return mBlendStateExt.getEnabledMask(); }
+    void setBlend(bool enabled);
+    void setBlendIndexed(bool enabled, GLuint index);
+    void setBlendFactors(GLenum sourceRGB, GLenum destRGB, GLenum sourceAlpha, GLenum destAlpha);
+    void setBlendFactorsIndexed(GLenum sourceRGB,
+                                GLenum destRGB,
+                                GLenum sourceAlpha,
+                                GLenum destAlpha,
+                                GLuint index);
+    void setBlendColor(float red, float green, float blue, float alpha);
+    void setBlendEquation(GLenum rgbEquation, GLenum alphaEquation);
+    void setBlendEquationIndexed(GLenum rgbEquation, GLenum alphaEquation, GLuint index);
+    const ColorF &getBlendColor() const { return mBlendColor; }
+
+    // Stencil state maniupulation
+    bool isStencilTestEnabled() const { return mDepthStencil.stencilTest; }
+    void setStencilTest(bool enabled);
+    void setStencilParams(GLenum stencilFunc, GLint stencilRef, GLuint stencilMask);
+    void setStencilBackParams(GLenum stencilBackFunc, GLint stencilBackRef, GLuint stencilBackMask);
+    void setStencilWritemask(GLuint stencilWritemask);
+    void setStencilBackWritemask(GLuint stencilBackWritemask);
+    void setStencilOperations(GLenum stencilFail,
+                              GLenum stencilPassDepthFail,
+                              GLenum stencilPassDepthPass);
+    void setStencilBackOperations(GLenum stencilBackFail,
+                                  GLenum stencilBackPassDepthFail,
+                                  GLenum stencilBackPassDepthPass);
+    GLint getStencilRef() const { return mStencilRef; }
+    GLint getStencilBackRef() const { return mStencilBackRef; }
+
+    // Depth bias/polygon offset state manipulation
+    bool isPolygonOffsetFillEnabled() const { return mRasterizer.polygonOffsetFill; }
+    void setPolygonOffsetFill(bool enabled);
+    void setPolygonOffsetParams(GLfloat factor, GLfloat units);
+
+    // Multisample coverage state manipulation
+    bool isSampleAlphaToCoverageEnabled() const { return mSampleAlphaToCoverage; }
+    void setSampleAlphaToCoverage(bool enabled);
+    bool isSampleCoverageEnabled() const { return mSampleCoverage; }
+    void setSampleCoverage(bool enabled);
+    void setSampleCoverageParams(GLclampf value, bool invert);
+    GLclampf getSampleCoverageValue() const { return mSampleCoverageValue; }
+    bool getSampleCoverageInvert() const { return mSampleCoverageInvert; }
+
+    // Multisample mask state manipulation.
+    bool isSampleMaskEnabled() const { return mSampleMask; }
+    void setSampleMaskEnabled(bool enabled);
+    void setSampleMaskParams(GLuint maskNumber, GLbitfield mask);
+    GLbitfield getSampleMaskWord(GLuint maskNumber) const
+    {
+        ASSERT(maskNumber < mMaxSampleMaskWords);
+        return mSampleMaskValues[maskNumber];
+    }
+    SampleMaskArray<GLbitfield> getSampleMaskValues() const { return mSampleMaskValues; }
+    GLuint getMaxSampleMaskWords() const { return mMaxSampleMaskWords; }
+
+    // Multisampling/alpha to one manipulation.
+    void setSampleAlphaToOne(bool enabled);
+    bool isSampleAlphaToOneEnabled() const { return mSampleAlphaToOne; }
+    void setMultisampling(bool enabled);
+    bool isMultisamplingEnabled() const { return mMultiSampling; }
+
+    void setSampleShading(bool enabled);
+    bool isSampleShadingEnabled() const { return mIsSampleShadingEnabled; }
+    void setMinSampleShading(float value);
+    float getMinSampleShading() const { return mMinSampleShading; }
+
+    // Scissor test state toggle & query
+    bool isScissorTestEnabled() const { return mScissorTest; }
+    void setScissorTest(bool enabled);
+    void setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height);
+    const Rectangle &getScissor() const { return mScissor; }
+
+    // Dither state toggle & query
+    bool isDitherEnabled() const { return mRasterizer.dither; }
+    void setDither(bool enabled);
+
+    // Generic state toggle & query
+    void setEnableFeature(GLenum feature, bool enabled);
+    void setEnableFeatureIndexed(GLenum feature, bool enabled, GLuint index);
+    bool getEnableFeature(GLenum feature) const;
+    bool getEnableFeatureIndexed(GLenum feature, GLuint index) const;
+
+    // Line width state setter
+    void setLineWidth(GLfloat width);
+    float getLineWidth() const { return mLineWidth; }
+
+    // Hint setters
+    void setGenerateMipmapHint(GLenum hint);
+    GLenum getGenerateMipmapHint() const;
+    void setTextureFilteringHint(GLenum hint);
+    GLenum getTextureFilteringHint() const;
+    GLenum getFragmentShaderDerivativeHint() const { return mFragmentShaderDerivativeHint; }
+    void setFragmentShaderDerivativeHint(GLenum hint);
+
+    // GL_CHROMIUM_bind_generates_resource
+    bool isBindGeneratesResourceEnabled() const { return mBindGeneratesResource; }
+
+    // GL_ANGLE_client_arrays
+    bool areClientArraysEnabled() const { return mClientArraysEnabled; }
+
+    // Viewport state setter/getter
+    void setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height);
+    const Rectangle &getViewport() const { return mViewport; }
+
+    // Texture binding & active texture unit manipulation
+    void setActiveSampler(unsigned int active);
+    unsigned int getActiveSampler() const { return static_cast<unsigned int>(mActiveSampler); }
+
+    void setSamplerTexture(const Context *context, TextureType type, Texture *texture);
+    Texture *getTargetTexture(TextureType type) const;
+
+    Texture *getSamplerTexture(unsigned int sampler, TextureType type) const
+    {
+        ASSERT(sampler < mSamplerTextures[type].size());
+        return mSamplerTextures[type][sampler].get();
+    }
+
+    TextureID getSamplerTextureId(unsigned int sampler, TextureType type) const;
+    void detachTexture(const Context *context, const TextureMap &zeroTextures, TextureID texture);
+    void initializeZeroTextures(const Context *context, const TextureMap &zeroTextures);
+
+    void invalidateTextureBindings(TextureType type);
+
+    // Sampler object binding manipulation
+    void setSamplerBinding(const Context *context, GLuint textureUnit, Sampler *sampler);
+    SamplerID getSamplerId(GLuint textureUnit) const
+    {
+        ASSERT(textureUnit < mSamplers.size());
+        return mSamplers[textureUnit].id();
+    }
+
+    Sampler *getSampler(GLuint textureUnit) const { return mSamplers[textureUnit].get(); }
+
+    const SamplerBindingVector &getSamplers() const { return mSamplers; }
+
+    void detachSampler(const Context *context, SamplerID sampler);
+
+    // Renderbuffer binding manipulation
+    void setRenderbufferBinding(const Context *context, Renderbuffer *renderbuffer);
+    RenderbufferID getRenderbufferId() const { return mRenderbuffer.id(); }
+    Renderbuffer *getCurrentRenderbuffer() const { return mRenderbuffer.get(); }
+    void detachRenderbuffer(const Context *context, RenderbufferID renderbuffer);
+
+    // Framebuffer binding manipulation
+    void setReadFramebufferBinding(Framebuffer *framebuffer);
+    void setDrawFramebufferBinding(Framebuffer *framebuffer);
+    Framebuffer *getTargetFramebuffer(GLenum target) const;
+    Framebuffer *getReadFramebuffer() const { return mReadFramebuffer; }
+    Framebuffer *getDrawFramebuffer() const { return mDrawFramebuffer; }
+    Framebuffer *getDefaultFramebuffer() const;
+
+    bool removeReadFramebufferBinding(FramebufferID framebuffer);
+    bool removeDrawFramebufferBinding(FramebufferID framebuffer);
+
+    // Vertex array object binding manipulation
+    void setVertexArrayBinding(const Context *context, VertexArray *vertexArray);
+    bool removeVertexArrayBinding(const Context *context, VertexArrayID vertexArray);
+    VertexArrayID getVertexArrayId() const;
+
+    VertexArray *getVertexArray() const
+    {
+        ASSERT(mVertexArray != nullptr);
+        return mVertexArray;
+    }
+
+    // QCOM_shading_rate helpers
+    void setShadingRate(GLenum rate);
+    ShadingRate getShadingRate() const { return mShadingRate; }
+
+    // If both a Program and a ProgramPipeline are bound, the Program will
+    // always override the ProgramPipeline.
+    ProgramExecutable *getProgramExecutable() const { return mExecutable; }
+    ProgramExecutable *getLinkedProgramExecutable(const Context *context) const
+    {
+        if (mProgram)
+        {
+            mProgram->resolveLink(context);
+        }
+        else if (mProgramPipeline.get())
+        {
+            mProgramPipeline->resolveLink(context);
+        }
+        return mExecutable;
+    }
+
+    // Program binding manipulation
+    angle::Result setProgram(const Context *context, Program *newProgram);
+
+    Program *getProgram() const
+    {
+        ASSERT(!mProgram || !mProgram->isLinking());
+        return mProgram;
+    }
+
+    Program *getLinkedProgram(const Context *context) const
+    {
+        if (mProgram)
+        {
+            mProgram->resolveLink(context);
+        }
+        return mProgram;
+    }
+
+    ProgramPipeline *getProgramPipeline() const { return mProgramPipeline.get(); }
+
+    ProgramPipeline *getLinkedProgramPipeline(const Context *context) const
+    {
+        if (mProgramPipeline.get())
+        {
+            mProgramPipeline->resolveLink(context);
+        }
+        return mProgramPipeline.get();
+    }
+
+    // Transform feedback object (not buffer) binding manipulation
+    void setTransformFeedbackBinding(const Context *context, TransformFeedback *transformFeedback);
+    TransformFeedback *getCurrentTransformFeedback() const { return mTransformFeedback.get(); }
+
+    ANGLE_INLINE bool isTransformFeedbackActive() const
+    {
+        TransformFeedback *curTransformFeedback = mTransformFeedback.get();
+        return curTransformFeedback && curTransformFeedback->isActive();
+    }
+    ANGLE_INLINE bool isTransformFeedbackActiveUnpaused() const
+    {
+        TransformFeedback *curTransformFeedback = mTransformFeedback.get();
+        return curTransformFeedback && curTransformFeedback->isActive() &&
+               !curTransformFeedback->isPaused();
+    }
+
+    bool removeTransformFeedbackBinding(const Context *context,
+                                        TransformFeedbackID transformFeedback);
+
+    // Query binding manipulation
+    bool isQueryActive(QueryType type) const;
+    bool isQueryActive(Query *query) const;
+    void setActiveQuery(const Context *context, QueryType type, Query *query);
+    QueryID getActiveQueryId(QueryType type) const;
+    Query *getActiveQuery(QueryType type) const;
+
+    // Program Pipeline binding manipulation
+    angle::Result setProgramPipelineBinding(const Context *context, ProgramPipeline *pipeline);
+    void detachProgramPipeline(const Context *context, ProgramPipelineID pipeline);
+
+    //// Typed buffer binding point manipulation ////
+    ANGLE_INLINE void setBufferBinding(const Context *context, BufferBinding target, Buffer *buffer)
+    {
+        (this->*(kBufferSetters[target]))(context, buffer);
+    }
+
+    ANGLE_INLINE Buffer *getTargetBuffer(BufferBinding target) const
+    {
+        switch (target)
+        {
+            case BufferBinding::ElementArray:
+                return getVertexArray()->getElementArrayBuffer();
+            default:
+                return mBoundBuffers[target].get();
+        }
+    }
+
+    ANGLE_INLINE Buffer *getArrayBuffer() const { return getTargetBuffer(BufferBinding::Array); }
+
+    angle::Result setIndexedBufferBinding(const Context *context,
+                                          BufferBinding target,
+                                          GLuint index,
+                                          Buffer *buffer,
+                                          GLintptr offset,
+                                          GLsizeiptr size);
+
+    size_t getAtomicCounterBufferCount() const { return mAtomicCounterBuffers.size(); }
+
+    ANGLE_INLINE bool hasValidAtomicCounterBuffer() const
+    {
+        return mBoundAtomicCounterBuffersMask.any();
+    }
+
+    const OffsetBindingPointer<Buffer> &getIndexedUniformBuffer(size_t index) const;
+    const OffsetBindingPointer<Buffer> &getIndexedAtomicCounterBuffer(size_t index) const;
+    const OffsetBindingPointer<Buffer> &getIndexedShaderStorageBuffer(size_t index) const;
+
+    const angle::BitSet<gl::IMPLEMENTATION_MAX_UNIFORM_BUFFER_BINDINGS> &getUniformBuffersMask()
+        const
+    {
+        return mBoundUniformBuffersMask;
+    }
+    const angle::BitSet<gl::IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS>
+        &getAtomicCounterBuffersMask() const
+    {
+        return mBoundAtomicCounterBuffersMask;
+    }
+    const angle::BitSet<gl::IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS>
+        &getShaderStorageBuffersMask() const
+    {
+        return mBoundShaderStorageBuffersMask;
+    }
+
+    // Detach a buffer from all bindings
+    angle::Result detachBuffer(Context *context, const Buffer *buffer);
+
+    // Vertex attrib manipulation
+    void setEnableVertexAttribArray(unsigned int attribNum, bool enabled);
+    void setVertexAttribf(GLuint index, const GLfloat values[4]);
+    void setVertexAttribu(GLuint index, const GLuint values[4]);
+    void setVertexAttribi(GLuint index, const GLint values[4]);
+
+    ANGLE_INLINE void setVertexAttribPointer(const Context *context,
+                                             unsigned int attribNum,
+                                             Buffer *boundBuffer,
+                                             GLint size,
+                                             VertexAttribType type,
+                                             bool normalized,
+                                             GLsizei stride,
+                                             const void *pointer)
+    {
+        mVertexArray->setVertexAttribPointer(context, attribNum, boundBuffer, size, type,
+                                             normalized, stride, pointer);
+        mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+    }
+
+    ANGLE_INLINE void setVertexAttribIPointer(const Context *context,
+                                              unsigned int attribNum,
+                                              Buffer *boundBuffer,
+                                              GLint size,
+                                              VertexAttribType type,
+                                              GLsizei stride,
+                                              const void *pointer)
+    {
+        mVertexArray->setVertexAttribIPointer(context, attribNum, boundBuffer, size, type, stride,
+                                              pointer);
+        mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+    }
+
+    void setVertexAttribDivisor(const Context *context, GLuint index, GLuint divisor);
+    const VertexAttribCurrentValueData &getVertexAttribCurrentValue(size_t attribNum) const
+    {
+        ASSERT(attribNum < mVertexAttribCurrentValues.size());
+        return mVertexAttribCurrentValues[attribNum];
+    }
+
+    const std::vector<VertexAttribCurrentValueData> &getVertexAttribCurrentValues() const
+    {
+        return mVertexAttribCurrentValues;
+    }
+
+    const void *getVertexAttribPointer(unsigned int attribNum) const;
+
+    void bindVertexBuffer(const Context *context,
+                          GLuint bindingIndex,
+                          Buffer *boundBuffer,
+                          GLintptr offset,
+                          GLsizei stride);
+    void setVertexAttribFormat(GLuint attribIndex,
+                               GLint size,
+                               VertexAttribType type,
+                               bool normalized,
+                               bool pureInteger,
+                               GLuint relativeOffset);
+
+    void setVertexAttribBinding(const Context *context, GLuint attribIndex, GLuint bindingIndex)
+    {
+        mVertexArray->setVertexAttribBinding(context, attribIndex, bindingIndex);
+        mDirtyObjects.set(DIRTY_OBJECT_VERTEX_ARRAY);
+    }
+
+    void setVertexBindingDivisor(const Context *context, GLuint bindingIndex, GLuint divisor);
+
+    // Pixel pack state manipulation
+    void setPackAlignment(GLint alignment);
+    GLint getPackAlignment() const { return mPack.alignment; }
+    void setPackReverseRowOrder(bool reverseRowOrder);
+    bool getPackReverseRowOrder() const { return mPack.reverseRowOrder; }
+    void setPackRowLength(GLint rowLength);
+    GLint getPackRowLength() const { return mPack.rowLength; }
+    void setPackSkipRows(GLint skipRows);
+    GLint getPackSkipRows() const { return mPack.skipRows; }
+    void setPackSkipPixels(GLint skipPixels);
+    GLint getPackSkipPixels() const { return mPack.skipPixels; }
+    const PixelPackState &getPackState() const { return mPack; }
+    PixelPackState &getPackState() { return mPack; }
+
+    // Pixel unpack state manipulation
+    void setUnpackAlignment(GLint alignment);
+    GLint getUnpackAlignment() const { return mUnpack.alignment; }
+    void setUnpackRowLength(GLint rowLength);
+    GLint getUnpackRowLength() const { return mUnpack.rowLength; }
+    void setUnpackImageHeight(GLint imageHeight);
+    GLint getUnpackImageHeight() const { return mUnpack.imageHeight; }
+    void setUnpackSkipImages(GLint skipImages);
+    GLint getUnpackSkipImages() const { return mUnpack.skipImages; }
+    void setUnpackSkipRows(GLint skipRows);
+    GLint getUnpackSkipRows() const { return mUnpack.skipRows; }
+    void setUnpackSkipPixels(GLint skipPixels);
+    GLint getUnpackSkipPixels() const { return mUnpack.skipPixels; }
+    const PixelUnpackState &getUnpackState() const { return mUnpack; }
+    PixelUnpackState &getUnpackState() { return mUnpack; }
+
+    // Debug state
+    const Debug &getDebug() const { return mDebug; }
+    Debug &getDebug() { return mDebug; }
+
+    // CHROMIUM_framebuffer_mixed_samples coverage modulation
+    void setCoverageModulation(GLenum components);
+    GLenum getCoverageModulation() const { return mCoverageModulation; }
+
+    // GL_EXT_sRGB_write_control
+    void setFramebufferSRGB(bool sRGB);
+    bool getFramebufferSRGB() const { return mFramebufferSRGB; }
+
+    // GL_KHR_parallel_shader_compile
+    void setMaxShaderCompilerThreads(GLuint count);
+    GLuint getMaxShaderCompilerThreads() const { return mMaxShaderCompilerThreads; }
+
+    // GL_EXT_tessellation_shader
+    void setPatchVertices(GLuint value);
+    GLuint getPatchVertices() const { return mPatchVertices; }
+
+    // GL_ANGLE_shader_pixel_local_storage
+    void setPixelLocalStorageActive(bool active);
+    bool getPixelLocalStorageActive() const { return mPixelLocalStorageActive; }
+
+    // State query functions
+    void getBooleanv(GLenum pname, GLboolean *params) const;
+    void getFloatv(GLenum pname, GLfloat *params) const;
+    angle::Result getIntegerv(const Context *context, GLenum pname, GLint *params) const;
+    void getPointerv(const Context *context, GLenum pname, void **params) const;
+    void getIntegeri_v(const Context *context, GLenum target, GLuint index, GLint *data) const;
+    void getInteger64i_v(GLenum target, GLuint index, GLint64 *data) const;
+    void getBooleani_v(GLenum target, GLuint index, GLboolean *data) const;
+
+    bool isRobustResourceInitEnabled() const { return mRobustResourceInit; }
+
+    bool isDrawFramebufferBindingDirty() const
+    {
+        return mDirtyBits.test(DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING);
+    }
+
+    // Sets the dirty bit for the program executable.
+    angle::Result onProgramExecutableChange(const Context *context, Program *program);
+    // Sets the dirty bit for the program pipeline executable.
+    angle::Result onProgramPipelineExecutableChange(const Context *context);
+
+    enum DirtyBitType
+    {
+        // Note: process draw framebuffer binding first, so that other dirty bits whose effect
+        // depend on the current draw framebuffer are not processed while the old framebuffer is
+        // still bound.
+        DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING,
+        DIRTY_BIT_READ_FRAMEBUFFER_BINDING,
+        DIRTY_BIT_SCISSOR_TEST_ENABLED,
+        DIRTY_BIT_SCISSOR,
+        DIRTY_BIT_VIEWPORT,
+        DIRTY_BIT_DEPTH_RANGE,
+        DIRTY_BIT_BLEND_ENABLED,
+        DIRTY_BIT_BLEND_COLOR,
+        DIRTY_BIT_BLEND_FUNCS,
+        DIRTY_BIT_BLEND_EQUATIONS,
+        DIRTY_BIT_COLOR_MASK,
+        DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED,
+        DIRTY_BIT_SAMPLE_COVERAGE_ENABLED,
+        DIRTY_BIT_SAMPLE_COVERAGE,
+        DIRTY_BIT_SAMPLE_MASK_ENABLED,
+        DIRTY_BIT_SAMPLE_MASK,
+        DIRTY_BIT_DEPTH_TEST_ENABLED,
+        DIRTY_BIT_DEPTH_FUNC,
+        DIRTY_BIT_DEPTH_MASK,
+        DIRTY_BIT_STENCIL_TEST_ENABLED,
+        DIRTY_BIT_STENCIL_FUNCS_FRONT,
+        DIRTY_BIT_STENCIL_FUNCS_BACK,
+        DIRTY_BIT_STENCIL_OPS_FRONT,
+        DIRTY_BIT_STENCIL_OPS_BACK,
+        DIRTY_BIT_STENCIL_WRITEMASK_FRONT,
+        DIRTY_BIT_STENCIL_WRITEMASK_BACK,
+        DIRTY_BIT_CULL_FACE_ENABLED,
+        DIRTY_BIT_CULL_FACE,
+        DIRTY_BIT_FRONT_FACE,
+        DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED,
+        DIRTY_BIT_POLYGON_OFFSET,
+        DIRTY_BIT_RASTERIZER_DISCARD_ENABLED,
+        DIRTY_BIT_LINE_WIDTH,
+        DIRTY_BIT_PRIMITIVE_RESTART_ENABLED,
+        DIRTY_BIT_CLEAR_COLOR,
+        DIRTY_BIT_CLEAR_DEPTH,
+        DIRTY_BIT_CLEAR_STENCIL,
+        DIRTY_BIT_UNPACK_STATE,
+        DIRTY_BIT_UNPACK_BUFFER_BINDING,
+        DIRTY_BIT_PACK_STATE,
+        DIRTY_BIT_PACK_BUFFER_BINDING,
+        DIRTY_BIT_DITHER_ENABLED,
+        DIRTY_BIT_RENDERBUFFER_BINDING,
+        DIRTY_BIT_VERTEX_ARRAY_BINDING,
+        DIRTY_BIT_DRAW_INDIRECT_BUFFER_BINDING,
+        DIRTY_BIT_DISPATCH_INDIRECT_BUFFER_BINDING,
+        // TODO(jmadill): Fine-grained dirty bits for each index.
+        DIRTY_BIT_PROGRAM_BINDING,  // Must be before DIRTY_BIT_PROGRAM_EXECUTABLE
+        DIRTY_BIT_PROGRAM_EXECUTABLE,
+        // TODO(jmadill): Fine-grained dirty bits for each texture/sampler.
+        DIRTY_BIT_SAMPLER_BINDINGS,
+        DIRTY_BIT_TEXTURE_BINDINGS,
+        DIRTY_BIT_IMAGE_BINDINGS,
+        DIRTY_BIT_TRANSFORM_FEEDBACK_BINDING,
+        DIRTY_BIT_UNIFORM_BUFFER_BINDINGS,
+        DIRTY_BIT_SHADER_STORAGE_BUFFER_BINDING,
+        DIRTY_BIT_ATOMIC_COUNTER_BUFFER_BINDING,
+        DIRTY_BIT_MULTISAMPLING,
+        DIRTY_BIT_SAMPLE_ALPHA_TO_ONE,
+        DIRTY_BIT_COVERAGE_MODULATION,                  // CHROMIUM_framebuffer_mixed_samples
+        DIRTY_BIT_FRAMEBUFFER_SRGB_WRITE_CONTROL_MODE,  // GL_EXT_sRGB_write_control
+        DIRTY_BIT_CURRENT_VALUES,
+        DIRTY_BIT_PROVOKING_VERTEX,
+        DIRTY_BIT_SAMPLE_SHADING,
+        DIRTY_BIT_PATCH_VERTICES,
+        DIRTY_BIT_EXTENDED,  // clip distances, mipmap generation hint, derivative hint,
+                             // EXT_clip_control
+        DIRTY_BIT_INVALID,
+        DIRTY_BIT_MAX = DIRTY_BIT_INVALID,
+    };
+
+    static_assert(DIRTY_BIT_MAX <= 64, "State dirty bits must be capped at 64");
+
+    enum ExtendedDirtyBitType
+    {
+        EXTENDED_DIRTY_BIT_CLIP_CONTROL,            // EXT_clip_control
+        EXTENDED_DIRTY_BIT_CLIP_DISTANCES,          // clip distances
+        EXTENDED_DIRTY_BIT_MIPMAP_GENERATION_HINT,  // mipmap generation hint
+        EXTENDED_DIRTY_BIT_SHADER_DERIVATIVE_HINT,  // shader derivative hint
+        EXTENDED_DIRTY_BIT_SHADING_RATE,            // QCOM_shading_rate
+        EXTENDED_DIRTY_BIT_LOGIC_OP_ENABLED,        // ANGLE_logic_op
+        EXTENDED_DIRTY_BIT_LOGIC_OP,                // ANGLE_logic_op
+        EXTENDED_DIRTY_BIT_INVALID,
+        EXTENDED_DIRTY_BIT_MAX = EXTENDED_DIRTY_BIT_INVALID,
+    };
+
+    static_assert(EXTENDED_DIRTY_BIT_MAX <= 32, "State extended dirty bits must be capped at 32");
+
+    // TODO(jmadill): Consider storing dirty objects in a list instead of by binding.
+    enum DirtyObjectType
+    {
+        DIRTY_OBJECT_ACTIVE_TEXTURES,  // Top-level dirty bit. Also see mDirtyActiveTextures.
+        DIRTY_OBJECT_TEXTURES_INIT,
+        DIRTY_OBJECT_IMAGES_INIT,
+        DIRTY_OBJECT_READ_ATTACHMENTS,
+        DIRTY_OBJECT_DRAW_ATTACHMENTS,
+        DIRTY_OBJECT_READ_FRAMEBUFFER,
+        DIRTY_OBJECT_DRAW_FRAMEBUFFER,
+        DIRTY_OBJECT_VERTEX_ARRAY,
+        DIRTY_OBJECT_TEXTURES,  // Top-level dirty bit. Also see mDirtyTextures.
+        DIRTY_OBJECT_IMAGES,    // Top-level dirty bit. Also see mDirtyImages.
+        DIRTY_OBJECT_SAMPLERS,  // Top-level dirty bit. Also see mDirtySamplers.
+        DIRTY_OBJECT_PROGRAM,
+        DIRTY_OBJECT_PROGRAM_PIPELINE_OBJECT,
+        DIRTY_OBJECT_UNKNOWN,
+        DIRTY_OBJECT_MAX = DIRTY_OBJECT_UNKNOWN,
+    };
+
+    using DirtyBits = angle::BitSet<DIRTY_BIT_MAX>;
+    const DirtyBits &getDirtyBits() const { return mDirtyBits; }
+    void clearDirtyBits() { mDirtyBits.reset(); }
+    void clearDirtyBits(const DirtyBits &bitset) { mDirtyBits &= ~bitset; }
+    void setAllDirtyBits()
+    {
+        mDirtyBits.set();
+        mExtendedDirtyBits.set();
+        mDirtyCurrentValues.set();
+    }
+
+    using ExtendedDirtyBits = angle::BitSet32<EXTENDED_DIRTY_BIT_MAX>;
+    const ExtendedDirtyBits &getExtendedDirtyBits() const { return mExtendedDirtyBits; }
+    // TODO(https://anglebug.com/5631): Handle extended dirty bits on non-vulkan backends
+    ExtendedDirtyBits getAndResetExtendedDirtyBits() const;
+    void clearExtendedDirtyBits() { mExtendedDirtyBits.reset(); }
+
+    using DirtyObjects = angle::BitSet<DIRTY_OBJECT_MAX>;
+    void clearDirtyObjects() { mDirtyObjects.reset(); }
+    void setAllDirtyObjects() { mDirtyObjects.set(); }
+    angle::Result syncDirtyObjects(const Context *context,
+                                   const DirtyObjects &bitset,
+                                   Command command);
+    angle::Result syncDirtyObject(const Context *context, GLenum target);
+    void setObjectDirty(GLenum target);
+    void setTextureDirty(size_t textureUnitIndex);
+    void setSamplerDirty(size_t samplerIndex);
+
+    ANGLE_INLINE void setReadFramebufferDirty()
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_READ_FRAMEBUFFER);
+        mDirtyObjects.set(DIRTY_OBJECT_READ_ATTACHMENTS);
+    }
+
+    ANGLE_INLINE void setDrawFramebufferDirty()
+    {
+        mDirtyObjects.set(DIRTY_OBJECT_DRAW_FRAMEBUFFER);
+        mDirtyObjects.set(DIRTY_OBJECT_DRAW_ATTACHMENTS);
+    }
+
+    // This actually clears the current value dirty bits.
+    // TODO(jmadill): Pass mutable dirty bits into Impl.
+    AttributesMask getAndResetDirtyCurrentValues() const;
+
+    void setImageUnit(const Context *context,
+                      size_t unit,
+                      Texture *texture,
+                      GLint level,
+                      GLboolean layered,
+                      GLint layer,
+                      GLenum access,
+                      GLenum format);
+
+    const ImageUnit &getImageUnit(size_t unit) const { return mImageUnits[unit]; }
+    const ActiveTexturesCache &getActiveTexturesCache() const { return mActiveTexturesCache; }
+    ComponentTypeMask getCurrentValuesTypeMask() const { return mCurrentValuesTypeMask; }
+
+    // "onActiveTextureChange" is called when a texture binding changes.
+    void onActiveTextureChange(const Context *context, size_t textureUnit);
+
+    // "onActiveTextureStateChange" is called when the Texture changed but the binding did not.
+    void onActiveTextureStateChange(const Context *context, size_t textureUnit);
+
+    void onImageStateChange(const Context *context, size_t unit);
+
+    void onUniformBufferStateChange(size_t uniformBufferIndex);
+    void onAtomicCounterBufferStateChange(size_t atomicCounterBufferIndex);
+    void onShaderStorageBufferStateChange(size_t shaderStorageBufferIndex);
+
+    bool isCurrentTransformFeedback(const TransformFeedback *tf) const
+    {
+        return tf == mTransformFeedback.get();
+    }
+    bool isCurrentVertexArray(const VertexArray *va) const { return va == mVertexArray; }
+
+    GLES1State &gles1() { return mGLES1State; }
+    const GLES1State &gles1() const { return mGLES1State; }
+
+    // Helpers for setting bound buffers. They should all have the same signature.
+    // Not meant to be called externally. Used for local helpers in State.cpp.
+    template <BufferBinding Target>
+    void setGenericBufferBindingWithBit(const Context *context, Buffer *buffer);
+
+    template <BufferBinding Target>
+    void setGenericBufferBinding(const Context *context, Buffer *buffer);
+
+    using BufferBindingSetter = void (State::*)(const Context *, Buffer *);
+
+    ANGLE_INLINE bool validateSamplerFormats() const
+    {
+        return (!mExecutable || !(mTexturesIncompatibleWithSamplers.intersects(
+                                    mExecutable->getActiveSamplersMask())));
+    }
+
+    ProvokingVertexConvention getProvokingVertex() const { return mProvokingVertex; }
+    void setProvokingVertex(ProvokingVertexConvention val)
+    {
+        mDirtyBits.set(State::DIRTY_BIT_PROVOKING_VERTEX);
+        mProvokingVertex = val;
+    }
+
+    ANGLE_INLINE void setReadFramebufferBindingDirty()
+    {
+        mDirtyBits.set(State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
+    }
+
+    ANGLE_INLINE void setDrawFramebufferBindingDirty()
+    {
+        mDirtyBits.set(State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING);
+    }
+
+    using ClipDistanceEnableBits = angle::BitSet32<IMPLEMENTATION_MAX_CLIP_DISTANCES>;
+    const ClipDistanceEnableBits &getEnabledClipDistances() const { return mClipDistancesEnabled; }
+    void setClipDistanceEnable(int idx, bool enable);
+
+    const OverlayType *getOverlay() const { return mOverlay; }
+
+    // Not for general use.
+    const BufferManager &getBufferManagerForCapture() const { return *mBufferManager; }
+    const BoundBufferMap &getBoundBuffersForCapture() const { return mBoundBuffers; }
+    const TextureManager &getTextureManagerForCapture() const { return *mTextureManager; }
+    const TextureBindingMap &getBoundTexturesForCapture() const { return mSamplerTextures; }
+    const RenderbufferManager &getRenderbufferManagerForCapture() const
+    {
+        return *mRenderbufferManager;
+    }
+    const FramebufferManager &getFramebufferManagerForCapture() const
+    {
+        return *mFramebufferManager;
+    }
+    const ShaderProgramManager &getShaderProgramManagerForCapture() const
+    {
+        return *mShaderProgramManager;
+    }
+    const SyncManager &getSyncManagerForCapture() const { return *mSyncManager; }
+    const SamplerManager &getSamplerManagerForCapture() const { return *mSamplerManager; }
+    const ProgramPipelineManager *getProgramPipelineManagerForCapture() const
+    {
+        return mProgramPipelineManager;
+    }
+    const SamplerBindingVector &getSamplerBindingsForCapture() const { return mSamplers; }
+    const ActiveQueryMap &getActiveQueriesForCapture() const { return mActiveQueries; }
+    void initializeForCapture(const Context *context);
+
+    bool hasConstantAlphaBlendFunc() const
+    {
+        return (mBlendFuncConstantAlphaDrawBuffers & mBlendStateExt.getEnabledMask()).any();
+    }
+
+    bool hasSimultaneousConstantColorAndAlphaBlendFunc() const
+    {
+        return (mBlendFuncConstantColorDrawBuffers & mBlendStateExt.getEnabledMask()).any() &&
+               hasConstantAlphaBlendFunc();
+    }
+
+    bool noSimultaneousConstantColorAndAlphaBlendFunc() const
+    {
+        return mNoSimultaneousConstantColorAndAlphaBlendFunc;
+    }
+
+    const BufferVector &getOffsetBindingPointerUniformBuffers() const { return mUniformBuffers; }
+
+    const BufferVector &getOffsetBindingPointerAtomicCounterBuffers() const
+    {
+        return mAtomicCounterBuffers;
+    }
+
+    const BufferVector &getOffsetBindingPointerShaderStorageBuffers() const
+    {
+        return mShaderStorageBuffers;
+    }
+
+    ActiveTextureMask getTexturesIncompatibleWithSamplers() const
+    {
+        return mTexturesIncompatibleWithSamplers;
+    }
+
+    bool isProgramBinaryCacheEnabled() const { return mProgramBinaryCacheEnabled; }
+
+    bool isTextureRectangleEnabled() const { return mTextureRectangleEnabled; }
+
+    DrawBufferMask getBlendFuncConstantAlphaDrawBuffers() const
+    {
+        return mBlendFuncConstantAlphaDrawBuffers;
+    }
+
+    DrawBufferMask getBlendFuncConstantColorDrawBuffers() const
+    {
+        return mBlendFuncConstantColorDrawBuffers;
+    }
+
+    const std::vector<ImageUnit> &getImageUnits() const { return mImageUnits; }
+
+    bool hasDisplayTextureShareGroup() const { return mDisplayTextureShareGroup; }
+
+    void setLogicOpEnabled(bool enabled);
+    bool isLogicOpEnabled() const { return mLogicOpEnabled; }
+
+    void setLogicOp(LogicalOperation opcode);
+    LogicalOperation getLogicOp() const { return mLogicOp; }
+
+  private:
+    friend class Context;
+
+    void unsetActiveTextures(const ActiveTextureMask &textureMask);
+    void setActiveTextureDirty(size_t textureIndex, Texture *texture);
+    void updateTextureBinding(const Context *context, size_t textureIndex, Texture *texture);
+    void updateActiveTextureStateOnSync(const Context *context,
+                                        size_t textureIndex,
+                                        const Sampler *sampler,
+                                        Texture *texture);
+    Texture *getTextureForActiveSampler(TextureType type, size_t index);
+
+    bool hasConstantColor(GLenum sourceRGB, GLenum destRGB) const;
+    bool hasConstantAlpha(GLenum sourceRGB, GLenum destRGB) const;
+
+    // Functions to synchronize dirty states
+    angle::Result syncActiveTextures(const Context *context, Command command);
+    angle::Result syncTexturesInit(const Context *context, Command command);
+    angle::Result syncImagesInit(const Context *context, Command command);
+    angle::Result syncReadAttachments(const Context *context, Command command);
+    angle::Result syncDrawAttachments(const Context *context, Command command);
+    angle::Result syncReadFramebuffer(const Context *context, Command command);
+    angle::Result syncDrawFramebuffer(const Context *context, Command command);
+    angle::Result syncVertexArray(const Context *context, Command command);
+    angle::Result syncTextures(const Context *context, Command command);
+    angle::Result syncImages(const Context *context, Command command);
+    angle::Result syncSamplers(const Context *context, Command command);
+    angle::Result syncProgram(const Context *context, Command command);
+    angle::Result syncProgramPipelineObject(const Context *context, Command command);
+
+    using DirtyObjectHandler = angle::Result (State::*)(const Context *context, Command command);
+
+    static constexpr DirtyObjectHandler kDirtyObjectHandlers[DIRTY_OBJECT_MAX] = {
+        &State::syncActiveTextures,
+        &State::syncTexturesInit,
+        &State::syncImagesInit,
+        &State::syncReadAttachments,
+        &State::syncDrawAttachments,
+        &State::syncReadFramebuffer,
+        &State::syncDrawFramebuffer,
+        &State::syncVertexArray,
+        &State::syncTextures,
+        &State::syncImages,
+        &State::syncSamplers,
+        &State::syncProgram,
+        &State::syncProgramPipelineObject};
+
+    // Robust init must happen before Framebuffer init for the Vulkan back-end.
+    static_assert(DIRTY_OBJECT_ACTIVE_TEXTURES < DIRTY_OBJECT_TEXTURES_INIT, "init order");
+    static_assert(DIRTY_OBJECT_TEXTURES_INIT < DIRTY_OBJECT_DRAW_FRAMEBUFFER, "init order");
+    static_assert(DIRTY_OBJECT_IMAGES_INIT < DIRTY_OBJECT_DRAW_FRAMEBUFFER, "init order");
+    static_assert(DIRTY_OBJECT_DRAW_ATTACHMENTS < DIRTY_OBJECT_DRAW_FRAMEBUFFER, "init order");
+    static_assert(DIRTY_OBJECT_READ_ATTACHMENTS < DIRTY_OBJECT_READ_FRAMEBUFFER, "init order");
+
+    static_assert(DIRTY_OBJECT_ACTIVE_TEXTURES == 0, "check DIRTY_OBJECT_ACTIVE_TEXTURES index");
+    static_assert(DIRTY_OBJECT_TEXTURES_INIT == 1, "check DIRTY_OBJECT_TEXTURES_INIT index");
+    static_assert(DIRTY_OBJECT_IMAGES_INIT == 2, "check DIRTY_OBJECT_IMAGES_INIT index");
+    static_assert(DIRTY_OBJECT_READ_ATTACHMENTS == 3, "check DIRTY_OBJECT_READ_ATTACHMENTS index");
+    static_assert(DIRTY_OBJECT_DRAW_ATTACHMENTS == 4, "check DIRTY_OBJECT_DRAW_ATTACHMENTS index");
+    static_assert(DIRTY_OBJECT_READ_FRAMEBUFFER == 5, "check DIRTY_OBJECT_READ_FRAMEBUFFER index");
+    static_assert(DIRTY_OBJECT_DRAW_FRAMEBUFFER == 6, "check DIRTY_OBJECT_DRAW_FRAMEBUFFER index");
+    static_assert(DIRTY_OBJECT_VERTEX_ARRAY == 7, "check DIRTY_OBJECT_VERTEX_ARRAY index");
+    static_assert(DIRTY_OBJECT_TEXTURES == 8, "check DIRTY_OBJECT_TEXTURES index");
+    static_assert(DIRTY_OBJECT_IMAGES == 9, "check DIRTY_OBJECT_IMAGES index");
+    static_assert(DIRTY_OBJECT_SAMPLERS == 10, "check DIRTY_OBJECT_SAMPLERS index");
+    static_assert(DIRTY_OBJECT_PROGRAM == 11, "check DIRTY_OBJECT_PROGRAM index");
+    static_assert(DIRTY_OBJECT_PROGRAM_PIPELINE_OBJECT == 12,
+                  "check DIRTY_OBJECT_PROGRAM_PIPELINE_OBJECT index");
+
+    // Dispatch table for buffer update functions.
+    static const angle::PackedEnumMap<BufferBinding, BufferBindingSetter> kBufferSetters;
+
+    ContextID mID;
+
+    EGLenum mClientType;
+    EGLint mProfileMask;
+    EGLenum mContextPriority;
+    bool mHasRobustAccess;
+    bool mHasProtectedContent;
+    bool mIsDebugContext;
+    Version mClientVersion;
+
+    // Caps to use for validation
+    Caps mCaps;
+    TextureCapsMap mTextureCaps;
+    Extensions mExtensions;
+    Limitations mLimitations;
+
+    egl::ShareGroup *mShareGroup;
+
+    // Resource managers.
+    BufferManager *mBufferManager;
+    ShaderProgramManager *mShaderProgramManager;
+    TextureManager *mTextureManager;
+    RenderbufferManager *mRenderbufferManager;
+    SamplerManager *mSamplerManager;
+    SyncManager *mSyncManager;
+    FramebufferManager *mFramebufferManager;
+    ProgramPipelineManager *mProgramPipelineManager;
+    MemoryObjectManager *mMemoryObjectManager;
+    SemaphoreManager *mSemaphoreManager;
+
+    ColorF mColorClearValue;
+    GLfloat mDepthClearValue;
+    int mStencilClearValue;
+
+    RasterizerState mRasterizer;
+    bool mScissorTest;
+    Rectangle mScissor;
+
+    bool mNoUnclampedBlendColor;
+
+    BlendState mBlendState;  // Buffer zero blend state legacy struct
+    BlendStateExt mBlendStateExt;
+    ColorF mBlendColor;
+    bool mSampleAlphaToCoverage;
+    bool mSampleCoverage;
+    GLfloat mSampleCoverageValue;
+    bool mSampleCoverageInvert;
+    bool mSampleMask;
+    GLuint mMaxSampleMaskWords;
+    SampleMaskArray<GLbitfield> mSampleMaskValues;
+    bool mIsSampleShadingEnabled;
+    float mMinSampleShading;
+
+    DepthStencilState mDepthStencil;
+    GLint mStencilRef;
+    GLint mStencilBackRef;
+
+    GLfloat mLineWidth;
+
+    GLenum mGenerateMipmapHint;
+    GLenum mTextureFilteringHint;
+    GLenum mFragmentShaderDerivativeHint;
+
+    const bool mBindGeneratesResource;
+    const bool mClientArraysEnabled;
+
+    Rectangle mViewport;
+    float mNearZ;
+    float mFarZ;
+
+    GLenum mClipControlOrigin;
+    GLenum mClipControlDepth;
+
+    Framebuffer *mReadFramebuffer;
+    Framebuffer *mDrawFramebuffer;
+    BindingPointer<Renderbuffer> mRenderbuffer;
+    Program *mProgram;
+    BindingPointer<ProgramPipeline> mProgramPipeline;
+    ProgramExecutable *mExecutable;
+
+    // GL_ANGLE_provoking_vertex
+    ProvokingVertexConvention mProvokingVertex;
+
+    using VertexAttribVector = std::vector<VertexAttribCurrentValueData>;
+    VertexAttribVector mVertexAttribCurrentValues;  // From glVertexAttrib
+    VertexArray *mVertexArray;
+    ComponentTypeMask mCurrentValuesTypeMask;
+
+    // Texture and sampler bindings
+    GLint mActiveSampler;  // Active texture unit selector - GL_TEXTURE0
+
+    TextureBindingMap mSamplerTextures;
+
+    // Active Textures Cache
+    // ---------------------
+    // The active textures cache gives ANGLE components access to a complete array of textures
+    // on a draw call. gl::State implements angle::Observer and watches gl::Texture for state
+    // changes via the onSubjectStateChange method above. We update the cache before draws.
+    // See Observer.h and the design doc linked there for more info on Subject/Observer events.
+    //
+    // On state change events (re-binding textures, samplers, programs etc) we clear the cache
+    // and flag dirty bits. nullptr indicates unbound or incomplete.
+    ActiveTexturesCache mActiveTexturesCache;
+    std::vector<angle::ObserverBinding> mCompleteTextureBindings;
+
+    ActiveTextureMask mTexturesIncompatibleWithSamplers;
+
+    SamplerBindingVector mSamplers;
+
+    // It would be nice to merge the image and observer binding. Same for textures.
+    std::vector<ImageUnit> mImageUnits;
+
+    ActiveQueryMap mActiveQueries;
+
+    // Stores the currently bound buffer for each binding point. It has an entry for the element
+    // array buffer but it should not be used. Instead this bind point is owned by the current
+    // vertex array object.
+    BoundBufferMap mBoundBuffers;
+
+    BufferVector mUniformBuffers;
+    BufferVector mAtomicCounterBuffers;
+    BufferVector mShaderStorageBuffers;
+
+    angle::BitSet<gl::IMPLEMENTATION_MAX_UNIFORM_BUFFER_BINDINGS> mBoundUniformBuffersMask;
+    angle::BitSet<gl::IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS>
+        mBoundAtomicCounterBuffersMask;
+    angle::BitSet<gl::IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS>
+        mBoundShaderStorageBuffersMask;
+
+    BindingPointer<TransformFeedback> mTransformFeedback;
+
+    PixelUnpackState mUnpack;
+    PixelPackState mPack;
+
+    bool mPrimitiveRestart;
+
+    Debug mDebug;
+
+    bool mMultiSampling;
+    bool mSampleAlphaToOne;
+
+    GLenum mCoverageModulation;
+
+    // GL_EXT_sRGB_write_control
+    bool mFramebufferSRGB;
+
+    // GL_ANGLE_robust_resource_initialization
+    const bool mRobustResourceInit;
+
+    // GL_ANGLE_program_cache_control
+    const bool mProgramBinaryCacheEnabled;
+
+    // GL_ANGLE_webgl_compatibility
+    bool mTextureRectangleEnabled;
+
+    // GL_ANGLE_logic_op
+    bool mLogicOpEnabled;
+    LogicalOperation mLogicOp;
+
+    // GL_KHR_parallel_shader_compile
+    GLuint mMaxShaderCompilerThreads;
+
+    // GL_APPLE_clip_distance/GL_EXT_clip_cull_distance
+    ClipDistanceEnableBits mClipDistancesEnabled;
+
+    // GL_EXT_tessellation_shader
+    GLuint mPatchVertices;
+
+    // GL_ANGLE_shader_pixel_local_storage
+    bool mPixelLocalStorageActive;
+
+    // GLES1 emulation: state specific to GLES1
+    GLES1State mGLES1State;
+
+    DirtyBits mDirtyBits;
+    mutable ExtendedDirtyBits mExtendedDirtyBits;
+    DirtyObjects mDirtyObjects;
+    mutable AttributesMask mDirtyCurrentValues;
+    ActiveTextureMask mDirtyActiveTextures;
+    ActiveTextureMask mDirtyTextures;
+    ActiveTextureMask mDirtySamplers;
+    ImageUnitMask mDirtyImages;
+
+    // The Overlay object, used by the backend to render the overlay.
+    const OverlayType *mOverlay;
+
+    // OES_draw_buffers_indexed
+    DrawBufferMask mBlendFuncConstantAlphaDrawBuffers;
+    DrawBufferMask mBlendFuncConstantColorDrawBuffers;
+    bool mNoSimultaneousConstantColorAndAlphaBlendFunc;
+    // Whether the indexed variants of setBlend* have been called.  If so, the call to the
+    // non-indexed variants are not no-oped.
+    bool mSetBlendIndexedInvoked;
+    bool mSetBlendFactorsIndexedInvoked;
+    bool mSetBlendEquationsIndexedInvoked;
+    bool mDisplayTextureShareGroup;
+
+    // GL_EXT_primitive_bounding_box
+    GLfloat mBoundingBoxMinX;
+    GLfloat mBoundingBoxMinY;
+    GLfloat mBoundingBoxMinZ;
+    GLfloat mBoundingBoxMinW;
+    GLfloat mBoundingBoxMaxX;
+    GLfloat mBoundingBoxMaxY;
+    GLfloat mBoundingBoxMaxZ;
+    GLfloat mBoundingBoxMaxW;
+
+    // QCOM_shading_rate
+    bool mShadingRatePreserveAspectRatio;
+    ShadingRate mShadingRate;
+};
+
+ANGLE_INLINE angle::Result State::syncDirtyObjects(const Context *context,
+                                                   const DirtyObjects &bitset,
+                                                   Command command)
+{
+    const DirtyObjects &dirtyObjects = mDirtyObjects & bitset;
+
+    for (size_t dirtyObject : dirtyObjects)
+    {
+        ANGLE_TRY((this->*kDirtyObjectHandlers[dirtyObject])(context, command));
+    }
+
+    mDirtyObjects &= ~dirtyObjects;
+    return angle::Result::Continue;
+}
+
+}  // namespace gl
+
+#endif  // LIBANGLE_STATE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Stream.cpp b/gfx/angle/checkout/src/libANGLE/Stream.cpp
new file mode 100644
index 0000000000..8d2830287f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Stream.cpp
@@ -0,0 +1,282 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Stream.cpp: Implements the egl::Stream class, representing the stream
+// where frames are streamed in. Implements EGLStreanKHR.
+
+#include "libANGLE/Stream.h"
+
+#include <EGL/eglext.h>
+#include <platform/PlatformMethods.h>
+
+#include "common/debug.h"
+#include "common/mathutil.h"
+#include "common/platform.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/renderer/DisplayImpl.h"
+#include "libANGLE/renderer/StreamProducerImpl.h"
+
+namespace egl
+{
+
+Stream::Stream(Display *display, const AttributeMap &attribs)
+    : mLabel(nullptr),
+      mDisplay(display),
+      mProducerImplementation(nullptr),
+      mState(EGL_STREAM_STATE_CREATED_KHR),
+      mProducerFrame(0),
+      mConsumerFrame(0),
+      mConsumerLatency(attribs.getAsInt(EGL_CONSUMER_LATENCY_USEC_KHR, 0)),
+      mConsumerAcquireTimeout(attribs.getAsInt(EGL_CONSUMER_ACQUIRE_TIMEOUT_USEC_KHR, 0)),
+      mPlaneCount(0),
+      mConsumerType(ConsumerType::NoConsumer),
+      mProducerType(ProducerType::NoProducer)
+{
+    for (auto &plane : mPlanes)
+    {
+        plane.textureUnit = -1;
+        plane.texture     = nullptr;
+    }
+}
+
+Stream::~Stream()
+{
+    SafeDelete(mProducerImplementation);
+    for (auto &plane : mPlanes)
+    {
+        if (plane.texture != nullptr)
+        {
+            plane.texture->releaseStream();
+        }
+    }
+}
+
+void Stream::setLabel(EGLLabelKHR label)
+{
+    mLabel = label;
+}
+
+EGLLabelKHR Stream::getLabel() const
+{
+    return mLabel;
+}
+
+void Stream::setConsumerLatency(EGLint latency)
+{
+    mConsumerLatency = latency;
+}
+
+EGLint Stream::getConsumerLatency() const
+{
+    return mConsumerLatency;
+}
+
+EGLuint64KHR Stream::getProducerFrame() const
+{
+    return mProducerFrame;
+}
+
+EGLuint64KHR Stream::getConsumerFrame() const
+{
+    return mConsumerFrame;
+}
+
+EGLenum Stream::getState() const
+{
+    return mState;
+}
+
+void Stream::setConsumerAcquireTimeout(EGLint timeout)
+{
+    mConsumerAcquireTimeout = timeout;
+}
+
+EGLint Stream::getConsumerAcquireTimeout() const
+{
+    return mConsumerAcquireTimeout;
+}
+
+Stream::ProducerType Stream::getProducerType() const
+{
+    return mProducerType;
+}
+
+Stream::ConsumerType Stream::getConsumerType() const
+{
+    return mConsumerType;
+}
+
+EGLint Stream::getPlaneCount() const
+{
+    return mPlaneCount;
+}
+
+rx::StreamProducerImpl *Stream::getImplementation()
+{
+    return mProducerImplementation;
+}
+
+Error Stream::createConsumerGLTextureExternal(const AttributeMap &attributes, gl::Context *context)
+{
+    ASSERT(mState == EGL_STREAM_STATE_CREATED_KHR);
+    ASSERT(mConsumerType == ConsumerType::NoConsumer);
+    ASSERT(mProducerType == ProducerType::NoProducer);
+    ASSERT(context != nullptr);
+
+    const auto &glState = context->getState();
+    EGLenum bufferType  = attributes.getAsInt(EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER);
+    if (bufferType == EGL_RGB_BUFFER)
+    {
+        mPlanes[0].texture = glState.getTargetTexture(gl::TextureType::External);
+        ASSERT(mPlanes[0].texture != nullptr);
+        mPlanes[0].texture->bindStream(this);
+        mConsumerType = ConsumerType::GLTextureRGB;
+        mPlaneCount   = 1;
+    }
+    else
+    {
+        mPlaneCount = attributes.getAsInt(EGL_YUV_NUMBER_OF_PLANES_EXT, 2);
+        ASSERT(mPlaneCount <= 3);
+        for (EGLint i = 0; i < mPlaneCount; i++)
+        {
+            // Fetch all the textures
+            mPlanes[i].textureUnit = attributes.getAsInt(EGL_YUV_PLANE0_TEXTURE_UNIT_NV + i, -1);
+            if (mPlanes[i].textureUnit != EGL_NONE)
+            {
+                mPlanes[i].texture =
+                    glState.getSamplerTexture(mPlanes[i].textureUnit, gl::TextureType::External);
+                ASSERT(mPlanes[i].texture != nullptr);
+            }
+        }
+
+        // Bind them to the stream
+        for (EGLint i = 0; i < mPlaneCount; i++)
+        {
+            if (mPlanes[i].textureUnit != EGL_NONE)
+            {
+                mPlanes[i].texture->bindStream(this);
+            }
+        }
+        mConsumerType = ConsumerType::GLTextureYUV;
+    }
+
+    mContext = context;
+    mState   = EGL_STREAM_STATE_CONNECTING_KHR;
+
+    return NoError();
+}
+
+Error Stream::createProducerD3D11Texture(const AttributeMap &attributes)
+{
+    ASSERT(mState == EGL_STREAM_STATE_CONNECTING_KHR);
+    ASSERT(mConsumerType == ConsumerType::GLTextureRGB ||
+           mConsumerType == ConsumerType::GLTextureYUV);
+    ASSERT(mProducerType == ProducerType::NoProducer);
+
+    mProducerImplementation =
+        mDisplay->getImplementation()->createStreamProducerD3DTexture(mConsumerType, attributes);
+    mProducerType = ProducerType::D3D11Texture;
+    mState        = EGL_STREAM_STATE_EMPTY_KHR;
+
+    return NoError();
+}
+
+// Called when the consumer of this stream starts using the stream
+Error Stream::consumerAcquire(const gl::Context *context)
+{
+    ASSERT(mState == EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR ||
+           mState == EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR);
+    ASSERT(mConsumerType == ConsumerType::GLTextureRGB ||
+           mConsumerType == ConsumerType::GLTextureYUV);
+    ASSERT(mProducerType == ProducerType::D3D11Texture);
+
+    mState = EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR;
+    mConsumerFrame++;
+
+    // Bind the planes to the gl textures
+    for (int i = 0; i < mPlaneCount; i++)
+    {
+        if (mPlanes[i].texture != nullptr)
+        {
+            ANGLE_TRY(ResultToEGL(mPlanes[i].texture->acquireImageFromStream(
+                context, mProducerImplementation->getGLFrameDescription(i))));
+        }
+    }
+
+    return NoError();
+}
+
+Error Stream::consumerRelease(const gl::Context *context)
+{
+    ASSERT(mState == EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR ||
+           mState == EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR);
+    ASSERT(mConsumerType == ConsumerType::GLTextureRGB ||
+           mConsumerType == ConsumerType::GLTextureYUV);
+    ASSERT(mProducerType == ProducerType::D3D11Texture);
+
+    // Release the images
+    for (int i = 0; i < mPlaneCount; i++)
+    {
+        if (mPlanes[i].texture != nullptr)
+        {
+            ANGLE_TRY(ResultToEGL(mPlanes[i].texture->releaseImageFromStream(context)));
+        }
+    }
+
+    return NoError();
+}
+
+bool Stream::isConsumerBoundToContext(const gl::Context *context) const
+{
+    ASSERT(context != nullptr);
+    return (context == mContext);
+}
+
+Error Stream::validateD3D11Texture(const void *texture, const AttributeMap &attributes) const
+{
+    ASSERT(mConsumerType == ConsumerType::GLTextureRGB ||
+           mConsumerType == ConsumerType::GLTextureYUV);
+    ASSERT(mProducerType == ProducerType::D3D11Texture);
+    ASSERT(mProducerImplementation != nullptr);
+
+    return mProducerImplementation->validateD3DTexture(texture, attributes);
+}
+
+Error Stream::postD3D11Texture(void *texture, const AttributeMap &attributes)
+{
+    ASSERT(mConsumerType == ConsumerType::GLTextureRGB ||
+           mConsumerType == ConsumerType::GLTextureYUV);
+    ASSERT(mProducerType == ProducerType::D3D11Texture);
+
+    mProducerImplementation->postD3DTexture(texture, attributes);
+    mProducerFrame++;
+
+    mState = EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR;
+
+    return NoError();
+}
+
+// This is called when a texture object associated with this stream is destroyed. Even if multiple
+// textures are bound, one being destroyed invalidates the stream, so all the remaining textures
+// will be released and the stream will be invalidated.
+void Stream::releaseTextures()
+{
+    for (auto &plane : mPlanes)
+    {
+        if (plane.texture != nullptr)
+        {
+            plane.texture->releaseStream();
+            plane.texture = nullptr;
+        }
+    }
+    mConsumerType = ConsumerType::NoConsumer;
+    mProducerType = ProducerType::NoProducer;
+    mState        = EGL_STREAM_STATE_DISCONNECTED_KHR;
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Stream.h b/gfx/angle/checkout/src/libANGLE/Stream.h
new file mode 100644
index 0000000000..b53c90b764
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Stream.h
@@ -0,0 +1,149 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Stream.h: Defines the egl::Stream class, representing the stream
+// where frames are streamed in. Implements EGLStreanKHR.
+
+#ifndef LIBANGLE_STREAM_H_
+#define LIBANGLE_STREAM_H_
+
+#include <array>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include "common/angleutils.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Debug.h"
+
+namespace rx
+{
+class StreamProducerImpl;
+}
+
+namespace gl
+{
+class Context;
+class Texture;
+}  // namespace gl
+
+namespace egl
+{
+class Display;
+class Error;
+class Thread;
+
+class Stream final : public LabeledObject, angle::NonCopyable
+{
+  public:
+    Stream(Display *display, const AttributeMap &attribs);
+    ~Stream() override;
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    enum class ConsumerType
+    {
+        NoConsumer,
+        GLTextureRGB,
+        GLTextureYUV,
+    };
+
+    enum class ProducerType
+    {
+        NoProducer,
+        D3D11Texture,
+    };
+
+    // A GL texture interpretation of a part of a producer frame. For use with GL texture consumers
+    struct GLTextureDescription
+    {
+        unsigned int width;
+        unsigned int height;
+        unsigned int internalFormat;
+        unsigned int mipLevels;
+    };
+
+    EGLenum getState() const;
+
+    void setConsumerLatency(EGLint latency);
+    EGLint getConsumerLatency() const;
+
+    EGLuint64KHR getProducerFrame() const;
+    EGLuint64KHR getConsumerFrame() const;
+
+    void setConsumerAcquireTimeout(EGLint timeout);
+    EGLint getConsumerAcquireTimeout() const;
+
+    ConsumerType getConsumerType() const;
+    ProducerType getProducerType() const;
+
+    EGLint getPlaneCount() const;
+
+    rx::StreamProducerImpl *getImplementation();
+
+    // Consumer creation methods
+    Error createConsumerGLTextureExternal(const AttributeMap &attributes, gl::Context *context);
+
+    // Producer creation methods
+    Error createProducerD3D11Texture(const AttributeMap &attributes);
+
+    // Consumer methods
+    Error consumerAcquire(const gl::Context *context);
+    Error consumerRelease(const gl::Context *context);
+
+    // Some consumers are bound to GL contexts. This validates that a given context is bound to the
+    // stream's consumer
+    bool isConsumerBoundToContext(const gl::Context *context) const;
+
+    // Producer methods
+    Error validateD3D11Texture(const void *texture, const AttributeMap &attributes) const;
+    Error postD3D11Texture(void *texture, const AttributeMap &attributes);
+
+  private:
+    EGLLabelKHR mLabel;
+
+    // Associated display
+    Display *mDisplay;
+
+    // Producer Implementation
+    rx::StreamProducerImpl *mProducerImplementation;
+
+    // Associated GL context. Note that this is a weak pointer used for validation purposes only,
+    // and should never be arbitrarily dereferenced without knowing the context still exists as it
+    // can become dangling at any time.
+    gl::Context *mContext;
+
+    // EGL defined attributes
+    EGLint mState;
+    EGLuint64KHR mProducerFrame;
+    EGLuint64KHR mConsumerFrame;
+    EGLint mConsumerLatency;
+
+    // EGL gltexture consumer attributes
+    EGLint mConsumerAcquireTimeout;
+
+    // EGL gltexture yuv consumer attributes
+    EGLint mPlaneCount;
+    struct PlaneTexture
+    {
+        EGLint textureUnit;
+        gl::Texture *texture;
+    };
+    // Texture units and textures for all the planes
+    std::array<PlaneTexture, 3> mPlanes;
+
+    // Consumer and producer types
+    ConsumerType mConsumerType;
+    ProducerType mProducerType;
+
+    // ANGLE-only method, used internally
+    friend class gl::Texture;
+    void releaseTextures();
+};
+}  // namespace egl
+
+#endif  // LIBANGLE_STREAM_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Surface.cpp b/gfx/angle/checkout/src/libANGLE/Surface.cpp
new file mode 100644
index 0000000000..acb382dd10
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Surface.cpp
@@ -0,0 +1,941 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Surface.cpp: Implements the egl::Surface class, representing a drawing surface
+// such as the client area of a window, including any back buffers.
+// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
+
+#include "libANGLE/Surface.h"
+
+#include <EGL/eglext.h>
+
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/EGLImplFactory.h"
+#include "libANGLE/trace.h"
+
+namespace egl
+{
+namespace
+{
+angle::SubjectIndex kSurfaceImplSubjectIndex = 0;
+}  // namespace
+
+SurfaceState::SurfaceState(const egl::Config *configIn, const AttributeMap &attributesIn)
+    : label(nullptr),
+      config((configIn != nullptr) ? new egl::Config(*configIn) : nullptr),
+      attributes(attributesIn),
+      timestampsEnabled(false),
+      autoRefreshEnabled(false),
+      directComposition(false),
+      swapBehavior(EGL_NONE)
+{
+    directComposition = attributes.get(EGL_DIRECT_COMPOSITION_ANGLE, EGL_FALSE) == EGL_TRUE;
+}
+
+SurfaceState::~SurfaceState()
+{
+    delete config;
+}
+
+bool SurfaceState::isRobustResourceInitEnabled() const
+{
+    return attributes.get(EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, EGL_FALSE) == EGL_TRUE;
+}
+
+bool SurfaceState::hasProtectedContent() const
+{
+    return attributes.get(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE) == EGL_TRUE;
+}
+
+EGLint SurfaceState::getPreferredSwapInterval() const
+{
+    return attributes.getAsInt(EGL_SWAP_INTERVAL_ANGLE, 1);
+}
+
+Surface::Surface(EGLint surfaceType,
+                 GLuint serialId,
+                 const egl::Config *config,
+                 const AttributeMap &attributes,
+                 bool forceRobustResourceInit,
+                 EGLenum buftype)
+    : FramebufferAttachmentObject(),
+      mState(config, attributes),
+      mImplementation(nullptr),
+      mRefCount(0),
+      mDestroyed(false),
+      mType(surfaceType),
+      mBuftype(buftype),
+      mPostSubBufferRequested(false),
+      mLargestPbuffer(false),
+      mGLColorspace(EGL_GL_COLORSPACE_LINEAR),
+      mVGAlphaFormat(EGL_VG_ALPHA_FORMAT_NONPRE),
+      mVGColorspace(EGL_VG_COLORSPACE_sRGB),
+      mMipmapTexture(false),
+      mMipmapLevel(0),
+      mHorizontalResolution(EGL_UNKNOWN),
+      mVerticalResolution(EGL_UNKNOWN),
+      mMultisampleResolve(EGL_MULTISAMPLE_RESOLVE_DEFAULT),
+      mFixedSize(false),
+      mFixedWidth(0),
+      mFixedHeight(0),
+      mTextureFormat(TextureFormat::NoTexture),
+      mTextureTarget(EGL_NO_TEXTURE),
+      // FIXME: Determine actual pixel aspect ratio
+      mPixelAspectRatio(static_cast<EGLint>(1.0 * EGL_DISPLAY_SCALING)),
+      mRenderBuffer(EGL_BACK_BUFFER),
+      mOrientation(0),
+      mTexture(nullptr),
+      mColorFormat(config->renderTargetFormat),
+      mDSFormat(config->depthStencilFormat),
+      mIsCurrentOnAnyContext(false),
+      mLockBufferPtr(nullptr),
+      mLockBufferPitch(0),
+      mBufferAgeQueriedSinceLastSwap(false),
+      mIsDamageRegionSet(false),
+      mColorInitState(gl::InitState::Initialized),
+      mDepthStencilInitState(gl::InitState::Initialized),
+      mImplObserverBinding(this, kSurfaceImplSubjectIndex),
+      mSerialId(serialId)
+{
+    mPostSubBufferRequested =
+        (attributes.get(EGL_POST_SUB_BUFFER_SUPPORTED_NV, EGL_FALSE) == EGL_TRUE);
+
+    if (mType == EGL_PBUFFER_BIT)
+    {
+        mLargestPbuffer = (attributes.get(EGL_LARGEST_PBUFFER, EGL_FALSE) == EGL_TRUE);
+    }
+
+    if (mType == EGL_PIXMAP_BIT)
+    {
+        mRenderBuffer = EGL_SINGLE_BUFFER;
+    }
+
+    if (mType == EGL_WINDOW_BIT)
+    {
+        mRenderBuffer = mState.attributes.getAsInt(EGL_RENDER_BUFFER, EGL_BACK_BUFFER);
+    }
+
+    mGLColorspace =
+        static_cast<EGLenum>(attributes.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_LINEAR));
+    mVGAlphaFormat =
+        static_cast<EGLenum>(attributes.get(EGL_VG_ALPHA_FORMAT, EGL_VG_ALPHA_FORMAT_NONPRE));
+    mVGColorspace = static_cast<EGLenum>(attributes.get(EGL_VG_COLORSPACE, EGL_VG_COLORSPACE_sRGB));
+    mMipmapTexture = (attributes.get(EGL_MIPMAP_TEXTURE, EGL_FALSE) == EGL_TRUE);
+
+    mRobustResourceInitialization =
+        forceRobustResourceInit ||
+        (attributes.get(EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE, EGL_FALSE) == EGL_TRUE);
+    if (mRobustResourceInitialization)
+    {
+        mColorInitState        = gl::InitState::MayNeedInit;
+        mDepthStencilInitState = gl::InitState::MayNeedInit;
+    }
+
+    mFixedSize = (attributes.get(EGL_FIXED_SIZE_ANGLE, EGL_FALSE) == EGL_TRUE);
+    if (mFixedSize)
+    {
+        mFixedWidth  = static_cast<size_t>(attributes.get(EGL_WIDTH, 0));
+        mFixedHeight = static_cast<size_t>(attributes.get(EGL_HEIGHT, 0));
+    }
+
+    if (mType != EGL_WINDOW_BIT)
+    {
+        mTextureFormat = attributes.getAsPackedEnum(EGL_TEXTURE_FORMAT, TextureFormat::NoTexture);
+        mTextureTarget = static_cast<EGLenum>(attributes.get(EGL_TEXTURE_TARGET, EGL_NO_TEXTURE));
+    }
+
+    mOrientation = static_cast<EGLint>(attributes.get(EGL_SURFACE_ORIENTATION_ANGLE, 0));
+
+    mTextureOffset.x = static_cast<int>(mState.attributes.get(EGL_TEXTURE_OFFSET_X_ANGLE, 0));
+    mTextureOffset.y = static_cast<int>(mState.attributes.get(EGL_TEXTURE_OFFSET_Y_ANGLE, 0));
+}
+
+Surface::~Surface() {}
+
+rx::FramebufferAttachmentObjectImpl *Surface::getAttachmentImpl() const
+{
+    return mImplementation;
+}
+
+Error Surface::destroyImpl(const Display *display)
+{
+    if (mImplementation)
+    {
+        mImplementation->destroy(display);
+    }
+
+    ASSERT(!mTexture);
+
+    SafeDelete(mImplementation);
+
+    delete this;
+    return NoError();
+}
+
+void Surface::postSwap(const gl::Context *context)
+{
+    if (mRobustResourceInitialization && mState.swapBehavior != EGL_BUFFER_PRESERVED)
+    {
+        mColorInitState        = gl::InitState::MayNeedInit;
+        mDepthStencilInitState = gl::InitState::MayNeedInit;
+        onStateChange(angle::SubjectMessage::SubjectChanged);
+    }
+
+    mBufferAgeQueriedSinceLastSwap = false;
+
+    mIsDamageRegionSet = false;
+}
+
+Error Surface::initialize(const Display *display)
+{
+    GLenum overrideRenderTargetFormat = mState.config->renderTargetFormat;
+
+    // To account for color space differences, override the renderTargetFormat with the
+    // non-linear format. If no suitable non-linear format was found, return
+    // EGL_BAD_MATCH error
+    if (!gl::ColorspaceFormatOverride(mGLColorspace, &overrideRenderTargetFormat))
+    {
+        return egl::EglBadMatch();
+    }
+
+    // If an override is required update mState.config as well
+    if (mState.config->renderTargetFormat != overrideRenderTargetFormat)
+    {
+        egl::Config *overrideConfig        = new egl::Config(*(mState.config));
+        overrideConfig->renderTargetFormat = overrideRenderTargetFormat;
+        delete mState.config;
+        mState.config = overrideConfig;
+
+        mColorFormat = gl::Format(mState.config->renderTargetFormat);
+        mDSFormat    = gl::Format(mState.config->depthStencilFormat);
+    }
+
+    ANGLE_TRY(mImplementation->initialize(display));
+
+    // Initialized here since impl is nullptr in the constructor.
+    // Must happen after implementation initialize for Android.
+    mState.swapBehavior = mImplementation->getSwapBehavior();
+
+    if (mBuftype == EGL_IOSURFACE_ANGLE)
+    {
+        GLenum internalFormat =
+            static_cast<GLenum>(mState.attributes.get(EGL_TEXTURE_INTERNAL_FORMAT_ANGLE));
+        GLenum type = static_cast<GLenum>(mState.attributes.get(EGL_TEXTURE_TYPE_ANGLE));
+
+        // GL_RGBA + GL_HALF_FLOAT is not a valid format/type combination in GLES like it is in
+        // desktop GL. Adjust the frontend format to be sized RGBA16F.
+        if (internalFormat == GL_RGBA && type == GL_HALF_FLOAT)
+        {
+            internalFormat = GL_RGBA16F;
+        }
+        mColorFormat = gl::Format(internalFormat, type);
+    }
+    if (mBuftype == EGL_D3D_TEXTURE_ANGLE)
+    {
+        const angle::Format *colorFormat = mImplementation->getD3DTextureColorFormat();
+        ASSERT(colorFormat != nullptr);
+        GLenum internalFormat = colorFormat->fboImplementationInternalFormat;
+        mColorFormat          = gl::Format(internalFormat, colorFormat->componentType);
+        mGLColorspace         = EGL_GL_COLORSPACE_LINEAR;
+        if (mColorFormat.info->colorEncoding == GL_SRGB)
+        {
+            mGLColorspace = EGL_GL_COLORSPACE_SRGB;
+        }
+    }
+
+    if (mType == EGL_WINDOW_BIT && display->getExtensions().getFrameTimestamps)
+    {
+        mState.supportedCompositorTimings = mImplementation->getSupportedCompositorTimings();
+        mState.supportedTimestamps        = mImplementation->getSupportedTimestamps();
+    }
+
+    mImplObserverBinding.bind(mImplementation);
+
+    return NoError();
+}
+
+Error Surface::makeCurrent(const gl::Context *context)
+{
+    if (isLocked())
+    {
+        return EglBadAccess();
+    }
+    ANGLE_TRY(mImplementation->makeCurrent(context));
+    mIsCurrentOnAnyContext = true;
+    addRef();
+    return NoError();
+}
+
+Error Surface::unMakeCurrent(const gl::Context *context)
+{
+    ANGLE_TRY(mImplementation->unMakeCurrent(context));
+    mIsCurrentOnAnyContext = false;
+    return releaseRef(context->getDisplay());
+}
+
+Error Surface::releaseRef(const Display *display)
+{
+    ASSERT(mRefCount > 0);
+    mRefCount--;
+    if (mRefCount == 0 && mDestroyed)
+    {
+        ASSERT(display);
+        return destroyImpl(display);
+    }
+
+    return NoError();
+}
+
+Error Surface::onDestroy(const Display *display)
+{
+    mDestroyed = true;
+    if (mRefCount == 0)
+    {
+        return destroyImpl(display);
+    }
+    return NoError();
+}
+
+void Surface::setLabel(EGLLabelKHR label)
+{
+    mState.label = label;
+}
+
+EGLLabelKHR Surface::getLabel() const
+{
+    return mState.label;
+}
+
+EGLint Surface::getType() const
+{
+    return mType;
+}
+
+Error Surface::prepareSwap(const gl::Context *context)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::prepareSwap");
+    return mImplementation->prepareSwap(context);
+}
+
+Error Surface::swap(const gl::Context *context)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::swap");
+    context->onPreSwap();
+
+    context->getState().getOverlay()->onSwap();
+
+    ANGLE_TRY(mImplementation->swap(context));
+    postSwap(context);
+    return NoError();
+}
+
+Error Surface::swapWithDamage(const gl::Context *context, const EGLint *rects, EGLint n_rects)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::swapWithDamage");
+    context->onPreSwap();
+
+    context->getState().getOverlay()->onSwap();
+
+    ANGLE_TRY(mImplementation->swapWithDamage(context, rects, n_rects));
+    postSwap(context);
+    return NoError();
+}
+
+Error Surface::swapWithFrameToken(const gl::Context *context, EGLFrameTokenANGLE frameToken)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "egl::Surface::swapWithFrameToken");
+    context->onPreSwap();
+
+    context->getState().getOverlay()->onSwap();
+
+    ANGLE_TRY(mImplementation->swapWithFrameToken(context, frameToken));
+    postSwap(context);
+    return NoError();
+}
+
+Error Surface::postSubBuffer(const gl::Context *context,
+                             EGLint x,
+                             EGLint y,
+                             EGLint width,
+                             EGLint height)
+{
+    if (width == 0 || height == 0)
+    {
+        return egl::NoError();
+    }
+
+    context->getState().getOverlay()->onSwap();
+
+    ANGLE_TRY(mImplementation->postSubBuffer(context, x, y, width, height));
+    postSwap(context);
+    return NoError();
+}
+
+Error Surface::setPresentationTime(EGLnsecsANDROID time)
+{
+    return mImplementation->setPresentationTime(time);
+}
+
+Error Surface::querySurfacePointerANGLE(EGLint attribute, void **value)
+{
+    return mImplementation->querySurfacePointerANGLE(attribute, value);
+}
+
+EGLint Surface::isPostSubBufferSupported() const
+{
+    return mPostSubBufferRequested && mImplementation->isPostSubBufferSupported();
+}
+
+void Surface::setSwapInterval(EGLint interval)
+{
+    mImplementation->setSwapInterval(interval);
+}
+
+void Surface::setMipmapLevel(EGLint level)
+{
+    // Level is set but ignored
+    UNIMPLEMENTED();
+    mMipmapLevel = level;
+}
+
+void Surface::setMultisampleResolve(EGLenum resolve)
+{
+    // Behaviour is set but ignored
+    UNIMPLEMENTED();
+    mMultisampleResolve = resolve;
+}
+
+void Surface::setSwapBehavior(EGLenum behavior)
+{
+    // Behaviour is set but ignored
+    UNIMPLEMENTED();
+    mState.swapBehavior = behavior;
+}
+
+void Surface::setFixedWidth(EGLint width)
+{
+    mFixedWidth = width;
+    mImplementation->setFixedWidth(width);
+}
+
+void Surface::setFixedHeight(EGLint height)
+{
+    mFixedHeight = height;
+    mImplementation->setFixedHeight(height);
+}
+
+const Config *Surface::getConfig() const
+{
+    return mState.config;
+}
+
+EGLint Surface::getPixelAspectRatio() const
+{
+    return mPixelAspectRatio;
+}
+
+EGLenum Surface::getRenderBuffer() const
+{
+    return mRenderBuffer;
+}
+
+EGLenum Surface::getSwapBehavior() const
+{
+    return mState.swapBehavior;
+}
+
+TextureFormat Surface::getTextureFormat() const
+{
+    return mTextureFormat;
+}
+
+EGLenum Surface::getTextureTarget() const
+{
+    return mTextureTarget;
+}
+
+bool Surface::getLargestPbuffer() const
+{
+    return mLargestPbuffer;
+}
+
+EGLenum Surface::getGLColorspace() const
+{
+    return mGLColorspace;
+}
+
+EGLenum Surface::getVGAlphaFormat() const
+{
+    return mVGAlphaFormat;
+}
+
+EGLenum Surface::getVGColorspace() const
+{
+    return mVGColorspace;
+}
+
+bool Surface::getMipmapTexture() const
+{
+    return mMipmapTexture;
+}
+
+EGLint Surface::getMipmapLevel() const
+{
+    return mMipmapLevel;
+}
+
+EGLint Surface::getHorizontalResolution() const
+{
+    return mHorizontalResolution;
+}
+
+EGLint Surface::getVerticalResolution() const
+{
+    return mVerticalResolution;
+}
+
+EGLenum Surface::getMultisampleResolve() const
+{
+    return mMultisampleResolve;
+}
+
+EGLint Surface::isFixedSize() const
+{
+    return mFixedSize;
+}
+
+EGLint Surface::getWidth() const
+{
+    return mFixedSize ? static_cast<EGLint>(mFixedWidth) : mImplementation->getWidth();
+}
+
+EGLint Surface::getHeight() const
+{
+    return mFixedSize ? static_cast<EGLint>(mFixedHeight) : mImplementation->getHeight();
+}
+
+egl::Error Surface::getUserWidth(const egl::Display *display, EGLint *value) const
+{
+    if (mFixedSize)
+    {
+        *value = static_cast<EGLint>(mFixedWidth);
+        return NoError();
+    }
+    else
+    {
+        return mImplementation->getUserWidth(display, value);
+    }
+}
+
+egl::Error Surface::getUserHeight(const egl::Display *display, EGLint *value) const
+{
+    if (mFixedSize)
+    {
+        *value = static_cast<EGLint>(mFixedHeight);
+        return NoError();
+    }
+    else
+    {
+        return mImplementation->getUserHeight(display, value);
+    }
+}
+
+Error Surface::bindTexImage(gl::Context *context, gl::Texture *texture, EGLint buffer)
+{
+    ASSERT(!mTexture);
+    ANGLE_TRY(mImplementation->bindTexImage(context, texture, buffer));
+
+    if (texture->bindTexImageFromSurface(context, this) == angle::Result::Stop)
+    {
+        return Error(EGL_BAD_SURFACE);
+    }
+    mTexture = texture;
+    addRef();
+
+    return NoError();
+}
+
+Error Surface::releaseTexImage(const gl::Context *context, EGLint buffer)
+{
+    ASSERT(context);
+
+    ANGLE_TRY(mImplementation->releaseTexImage(context, buffer));
+
+    ASSERT(mTexture);
+    ANGLE_TRY(ResultToEGL(mTexture->releaseTexImageFromSurface(context)));
+
+    return releaseTexImageFromTexture(context);
+}
+
+Error Surface::getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc)
+{
+    return mImplementation->getSyncValues(ust, msc, sbc);
+}
+
+Error Surface::getMscRate(EGLint *numerator, EGLint *denominator)
+{
+    return mImplementation->getMscRate(numerator, denominator);
+}
+
+Error Surface::releaseTexImageFromTexture(const gl::Context *context)
+{
+    ASSERT(mTexture);
+    mTexture = nullptr;
+    return releaseRef(context->getDisplay());
+}
+
+gl::Extents Surface::getAttachmentSize(const gl::ImageIndex & /*target*/) const
+{
+    return gl::Extents(getWidth(), getHeight(), 1);
+}
+
+gl::Format Surface::getAttachmentFormat(GLenum binding, const gl::ImageIndex &target) const
+{
+    return (binding == GL_BACK ? mColorFormat : mDSFormat);
+}
+
+GLsizei Surface::getAttachmentSamples(const gl::ImageIndex &target) const
+{
+    return getConfig()->samples;
+}
+
+bool Surface::isRenderable(const gl::Context *context,
+                           GLenum binding,
+                           const gl::ImageIndex &imageIndex) const
+{
+    return true;
+}
+
+bool Surface::isYUV() const
+{
+    // EGL_EXT_yuv_surface is not implemented.
+    return false;
+}
+
+bool Surface::isCreatedWithAHB() const
+{
+    return false;
+}
+
+GLuint Surface::getId() const
+{
+    return mSerialId;
+}
+
+Error Surface::getBufferAgeImpl(const gl::Context *context, EGLint *age) const
+{
+    // When EGL_BUFFER_PRESERVED, the previous frame contents are copied to
+    // current frame, so the buffer age is always 1.
+    if (mState.swapBehavior == EGL_BUFFER_PRESERVED)
+    {
+        if (age != nullptr)
+        {
+            *age = 1;
+        }
+        return egl::NoError();
+    }
+    return mImplementation->getBufferAge(context, age);
+}
+
+Error Surface::getBufferAge(const gl::Context *context, EGLint *age)
+{
+    Error err = getBufferAgeImpl(context, age);
+    if (!err.isError())
+    {
+        mBufferAgeQueriedSinceLastSwap = true;
+    }
+    return err;
+}
+
+gl::InitState Surface::initState(GLenum binding, const gl::ImageIndex & /*imageIndex*/) const
+{
+    switch (binding)
+    {
+        case GL_BACK:
+            return mColorInitState;
+        case GL_DEPTH:
+        case GL_STENCIL:
+            return mDepthStencilInitState;
+        default:
+            UNREACHABLE();
+            return gl::InitState::Initialized;
+    }
+}
+
+void Surface::setInitState(GLenum binding,
+                           const gl::ImageIndex & /*imageIndex*/,
+                           gl::InitState initState)
+{
+    switch (binding)
+    {
+        case GL_BACK:
+            mColorInitState = initState;
+            break;
+        case GL_DEPTH:
+        case GL_STENCIL:
+            mDepthStencilInitState = initState;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void Surface::setTimestampsEnabled(bool enabled)
+{
+    mImplementation->setTimestampsEnabled(enabled);
+    mState.timestampsEnabled = enabled;
+}
+
+bool Surface::isTimestampsEnabled() const
+{
+    return mState.timestampsEnabled;
+}
+
+Error Surface::setAutoRefreshEnabled(bool enabled)
+{
+    ANGLE_TRY(mImplementation->setAutoRefreshEnabled(enabled));
+    mState.autoRefreshEnabled = enabled;
+    return NoError();
+}
+
+bool Surface::hasProtectedContent() const
+{
+    return mState.hasProtectedContent();
+}
+
+const SupportedCompositorTiming &Surface::getSupportedCompositorTimings() const
+{
+    return mState.supportedCompositorTimings;
+}
+
+Error Surface::getCompositorTiming(EGLint numTimestamps,
+                                   const EGLint *names,
+                                   EGLnsecsANDROID *values) const
+{
+    return mImplementation->getCompositorTiming(numTimestamps, names, values);
+}
+
+Error Surface::getNextFrameId(EGLuint64KHR *frameId) const
+{
+    return mImplementation->getNextFrameId(frameId);
+}
+
+const SupportedTimestamps &Surface::getSupportedTimestamps() const
+{
+    return mState.supportedTimestamps;
+}
+
+Error Surface::getFrameTimestamps(EGLuint64KHR frameId,
+                                  EGLint numTimestamps,
+                                  const EGLint *timestamps,
+                                  EGLnsecsANDROID *values) const
+{
+    return mImplementation->getFrameTimestamps(frameId, numTimestamps, timestamps, values);
+}
+
+void Surface::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    ASSERT(index == kSurfaceImplSubjectIndex);
+    switch (message)
+    {
+        case angle::SubjectMessage::SubjectChanged:
+            onStateChange(angle::SubjectMessage::ContentsChanged);
+            break;
+        case angle::SubjectMessage::SurfaceChanged:
+            onStateChange(angle::SubjectMessage::SurfaceChanged);
+            break;
+        case angle::SubjectMessage::SwapchainImageChanged:
+            onStateChange(angle::SubjectMessage::SwapchainImageChanged);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+Error Surface::setRenderBuffer(EGLint renderBuffer)
+{
+    ANGLE_TRY(mImplementation->setRenderBuffer(renderBuffer));
+    mRenderBuffer = renderBuffer;
+    return NoError();
+}
+
+bool Surface::isLocked() const
+{
+    return (mLockBufferPtr != nullptr);
+}
+
+EGLint Surface::getBitmapPitch() const
+{
+    return mLockBufferPitch;
+}
+
+EGLint Surface::getBitmapOrigin() const
+{
+    return mImplementation->origin();
+}
+
+EGLint Surface::getRedOffset() const
+{
+    const gl::InternalFormat &format = *mColorFormat.info;
+    if (gl::IsBGRAFormat(format.internalFormat))
+    {
+        return format.blueBits + format.greenBits;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+EGLint Surface::getGreenOffset() const
+{
+    const gl::InternalFormat &format = *mColorFormat.info;
+    if (gl::IsBGRAFormat(format.internalFormat))
+    {
+        return format.blueBits;
+    }
+    else
+    {
+        return format.redBits;
+    }
+}
+
+EGLint Surface::getBlueOffset() const
+{
+    const gl::InternalFormat &format = *mColorFormat.info;
+    if (gl::IsBGRAFormat(format.internalFormat))
+    {
+        return 0;
+    }
+    else
+    {
+        return format.redBits + format.greenBits;
+    }
+}
+
+EGLint Surface::getAlphaOffset() const
+{
+    const gl::InternalFormat &format = *mColorFormat.info;
+    if (format.isLUMA())
+    {
+        return format.luminanceBits;  // Luma always first, alpha optional
+    }
+    // For RGBA/BGRA alpha is last
+    return format.blueBits + format.greenBits + format.redBits;
+}
+
+EGLint Surface::getLuminanceOffset() const
+{
+    return 0;
+}
+
+EGLint Surface::getBitmapPixelSize() const
+{
+    constexpr EGLint kBitsPerByte    = 8;
+    const gl::InternalFormat &format = *mColorFormat.info;
+    return (format.pixelBytes * kBitsPerByte);
+}
+
+EGLAttribKHR Surface::getBitmapPointer() const
+{
+    return static_cast<EGLAttribKHR>((intptr_t)mLockBufferPtr);
+}
+
+egl::Error Surface::lockSurfaceKHR(const egl::Display *display, const AttributeMap &attributes)
+{
+    EGLint lockBufferUsageHint = attributes.getAsInt(
+        EGL_LOCK_USAGE_HINT_KHR, (EGL_READ_SURFACE_BIT_KHR | EGL_WRITE_SURFACE_BIT_KHR));
+
+    bool preservePixels = ((attributes.getAsInt(EGL_MAP_PRESERVE_PIXELS_KHR, false) == EGL_TRUE) ||
+                           (mState.swapBehavior == EGL_BUFFER_PRESERVED));
+
+    return mImplementation->lockSurface(display, lockBufferUsageHint, preservePixels,
+                                        &mLockBufferPtr, &mLockBufferPitch);
+}
+
+egl::Error Surface::unlockSurfaceKHR(const egl::Display *display)
+{
+    mLockBufferPtr   = nullptr;
+    mLockBufferPitch = 0;
+    return mImplementation->unlockSurface(display, true);
+}
+
+WindowSurface::WindowSurface(rx::EGLImplFactory *implFactory,
+                             const egl::Config *config,
+                             EGLNativeWindowType window,
+                             const AttributeMap &attribs,
+                             bool robustResourceInit)
+    : Surface(EGL_WINDOW_BIT, implFactory->getNextSurfaceID(), config, attribs, robustResourceInit)
+{
+    mImplementation = implFactory->createWindowSurface(mState, window, attribs);
+}
+
+void Surface::setDamageRegion(const EGLint *rects, EGLint n_rects)
+{
+    mIsDamageRegionSet = true;
+}
+
+WindowSurface::~WindowSurface() {}
+
+PbufferSurface::PbufferSurface(rx::EGLImplFactory *implFactory,
+                               const Config *config,
+                               const AttributeMap &attribs,
+                               bool robustResourceInit)
+    : Surface(EGL_PBUFFER_BIT, implFactory->getNextSurfaceID(), config, attribs, robustResourceInit)
+{
+    mImplementation = implFactory->createPbufferSurface(mState, attribs);
+}
+
+PbufferSurface::PbufferSurface(rx::EGLImplFactory *implFactory,
+                               const Config *config,
+                               EGLenum buftype,
+                               EGLClientBuffer clientBuffer,
+                               const AttributeMap &attribs,
+                               bool robustResourceInit)
+    : Surface(EGL_PBUFFER_BIT,
+              implFactory->getNextSurfaceID(),
+              config,
+              attribs,
+              robustResourceInit,
+              buftype)
+{
+    mImplementation =
+        implFactory->createPbufferFromClientBuffer(mState, buftype, clientBuffer, attribs);
+}
+
+PbufferSurface::~PbufferSurface() {}
+
+PixmapSurface::PixmapSurface(rx::EGLImplFactory *implFactory,
+                             const Config *config,
+                             NativePixmapType nativePixmap,
+                             const AttributeMap &attribs,
+                             bool robustResourceInit)
+    : Surface(EGL_PIXMAP_BIT, implFactory->getNextSurfaceID(), config, attribs, robustResourceInit)
+{
+    mImplementation = implFactory->createPixmapSurface(mState, nativePixmap, attribs);
+}
+
+PixmapSurface::~PixmapSurface() {}
+
+// SurfaceDeleter implementation.
+
+SurfaceDeleter::SurfaceDeleter(const Display *display) : mDisplay(display) {}
+
+SurfaceDeleter::~SurfaceDeleter() {}
+
+void SurfaceDeleter::operator()(Surface *surface)
+{
+    ANGLE_SWALLOW_ERR(surface->onDestroy(mDisplay));
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Surface.h b/gfx/angle/checkout/src/libANGLE/Surface.h
new file mode 100644
index 0000000000..862d2f57b2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Surface.h
@@ -0,0 +1,388 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Surface.h: Defines the egl::Surface class, representing a drawing surface
+// such as the client area of a window, including any back buffers.
+// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
+
+#ifndef LIBANGLE_SURFACE_H_
+#define LIBANGLE_SURFACE_H_
+
+#include <memory>
+
+#include <EGL/egl.h>
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/SurfaceImpl.h"
+
+namespace gl
+{
+class Context;
+class Framebuffer;
+class Texture;
+}  // namespace gl
+
+namespace rx
+{
+class EGLImplFactory;
+}
+
+namespace egl
+{
+class Display;
+struct Config;
+
+using SupportedCompositorTiming = angle::PackedEnumBitSet<CompositorTiming>;
+using SupportedTimestamps       = angle::PackedEnumBitSet<Timestamp>;
+
+struct SurfaceState final : private angle::NonCopyable
+{
+    SurfaceState(const egl::Config *configIn, const AttributeMap &attributesIn);
+    ~SurfaceState();
+
+    bool isRobustResourceInitEnabled() const;
+    bool hasProtectedContent() const;
+    EGLint getPreferredSwapInterval() const;
+
+    EGLLabelKHR label;
+    const egl::Config *config;
+    AttributeMap attributes;
+
+    bool timestampsEnabled;
+    bool autoRefreshEnabled;
+    SupportedCompositorTiming supportedCompositorTimings;
+    SupportedTimestamps supportedTimestamps;
+    bool directComposition;
+    EGLenum swapBehavior;
+};
+
+class Surface : public LabeledObject, public gl::FramebufferAttachmentObject
+{
+  public:
+    rx::SurfaceImpl *getImplementation() const { return mImplementation; }
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    EGLint getType() const;
+
+    Error initialize(const Display *display);
+    Error makeCurrent(const gl::Context *context);
+    Error unMakeCurrent(const gl::Context *context);
+    Error prepareSwap(const gl::Context *context);
+    Error swap(const gl::Context *context);
+    Error swapWithDamage(const gl::Context *context, const EGLint *rects, EGLint n_rects);
+    Error swapWithFrameToken(const gl::Context *context, EGLFrameTokenANGLE frameToken);
+    Error postSubBuffer(const gl::Context *context,
+                        EGLint x,
+                        EGLint y,
+                        EGLint width,
+                        EGLint height);
+    Error setPresentationTime(EGLnsecsANDROID time);
+    Error querySurfacePointerANGLE(EGLint attribute, void **value);
+    Error bindTexImage(gl::Context *context, gl::Texture *texture, EGLint buffer);
+    Error releaseTexImage(const gl::Context *context, EGLint buffer);
+
+    Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc);
+    Error getMscRate(EGLint *numerator, EGLint *denominator);
+
+    EGLint isPostSubBufferSupported() const;
+
+    void setSwapInterval(EGLint interval);
+    Error onDestroy(const Display *display);
+
+    void setMipmapLevel(EGLint level);
+    void setMultisampleResolve(EGLenum resolve);
+    void setSwapBehavior(EGLenum behavior);
+
+    void setFixedWidth(EGLint width);
+    void setFixedHeight(EGLint height);
+
+    const Config *getConfig() const;
+
+    // width and height can change with client window resizing
+    EGLint getWidth() const;
+    EGLint getHeight() const;
+    // Note: windows cannot be resized on Android.  The approach requires
+    // calling vkGetPhysicalDeviceSurfaceCapabilitiesKHR.  However, that is
+    // expensive; and there are troublesome timing issues for other parts of
+    // ANGLE (which cause test failures and crashes).  Therefore, a
+    // special-Android-only path is created just for the querying of EGL_WIDTH
+    // and EGL_HEIGHT.
+    // https://issuetracker.google.com/issues/153329980
+    egl::Error getUserWidth(const egl::Display *display, EGLint *value) const;
+    egl::Error getUserHeight(const egl::Display *display, EGLint *value) const;
+    EGLint getPixelAspectRatio() const;
+    EGLenum getRenderBuffer() const;
+    EGLenum getSwapBehavior() const;
+    TextureFormat getTextureFormat() const;
+    EGLenum getTextureTarget() const;
+    bool getLargestPbuffer() const;
+    EGLenum getGLColorspace() const;
+    EGLenum getVGAlphaFormat() const;
+    EGLenum getVGColorspace() const;
+    bool getMipmapTexture() const;
+    EGLint getMipmapLevel() const;
+    EGLint getHorizontalResolution() const;
+    EGLint getVerticalResolution() const;
+    EGLenum getMultisampleResolve() const;
+    bool hasProtectedContent() const override;
+
+    // For lock surface buffer
+    EGLint getBitmapPitch() const;
+    EGLint getBitmapOrigin() const;
+    EGLint getRedOffset() const;
+    EGLint getGreenOffset() const;
+    EGLint getBlueOffset() const;
+    EGLint getAlphaOffset() const;
+    EGLint getLuminanceOffset() const;
+    EGLint getBitmapPixelSize() const;
+    EGLAttribKHR getBitmapPointer() const;
+    egl::Error lockSurfaceKHR(const egl::Display *display, const AttributeMap &attributes);
+    egl::Error unlockSurfaceKHR(const egl::Display *display);
+
+    bool isLocked() const;
+    bool isCurrentOnAnyContext() const { return mIsCurrentOnAnyContext; }
+
+    gl::Texture *getBoundTexture() const { return mTexture; }
+
+    EGLint isFixedSize() const;
+
+    // FramebufferAttachmentObject implementation
+    gl::Extents getAttachmentSize(const gl::ImageIndex &imageIndex) const override;
+    gl::Format getAttachmentFormat(GLenum binding, const gl::ImageIndex &imageIndex) const override;
+    GLsizei getAttachmentSamples(const gl::ImageIndex &imageIndex) const override;
+    bool isRenderable(const gl::Context *context,
+                      GLenum binding,
+                      const gl::ImageIndex &imageIndex) const override;
+    bool isYUV() const override;
+    bool isCreatedWithAHB() const override;
+
+    void onAttach(const gl::Context *context, rx::Serial framebufferSerial) override {}
+    void onDetach(const gl::Context *context, rx::Serial framebufferSerial) override {}
+    GLuint getId() const override;
+
+    EGLint getOrientation() const { return mOrientation; }
+
+    bool directComposition() const { return mState.directComposition; }
+
+    gl::InitState initState(GLenum binding, const gl::ImageIndex &imageIndex) const override;
+    void setInitState(GLenum binding,
+                      const gl::ImageIndex &imageIndex,
+                      gl::InitState initState) override;
+
+    bool isRobustResourceInitEnabled() const { return mRobustResourceInitialization; }
+
+    const gl::Format &getBindTexImageFormat() const { return mColorFormat; }
+
+    // EGL_ANDROID_get_frame_timestamps entry points
+    void setTimestampsEnabled(bool enabled);
+    bool isTimestampsEnabled() const;
+
+    // EGL_ANDROID_front_buffer_auto_refresh entry points
+    Error setAutoRefreshEnabled(bool enabled);
+
+    const SupportedCompositorTiming &getSupportedCompositorTimings() const;
+    Error getCompositorTiming(EGLint numTimestamps,
+                              const EGLint *names,
+                              EGLnsecsANDROID *values) const;
+
+    Error getNextFrameId(EGLuint64KHR *frameId) const;
+    const SupportedTimestamps &getSupportedTimestamps() const;
+    Error getFrameTimestamps(EGLuint64KHR frameId,
+                             EGLint numTimestamps,
+                             const EGLint *timestamps,
+                             EGLnsecsANDROID *values) const;
+
+    // Returns the offset into the texture backing the surface if specified via texture offset
+    // attributes (see EGL_ANGLE_d3d_texture_client_buffer extension). Returns zero offset
+    // otherwise.
+    const gl::Offset &getTextureOffset() const { return mTextureOffset; }
+
+    Error getBufferAge(const gl::Context *context, EGLint *age);
+
+    Error setRenderBuffer(EGLint renderBuffer);
+
+    bool bufferAgeQueriedSinceLastSwap() const { return mBufferAgeQueriedSinceLastSwap; }
+    void setDamageRegion(const EGLint *rects, EGLint n_rects);
+    bool isDamageRegionSet() const { return mIsDamageRegionSet; }
+
+    void addRef() { mRefCount++; }
+    void release()
+    {
+        ASSERT(mRefCount > 0);
+        mRefCount--;
+    }
+
+  protected:
+    Surface(EGLint surfaceType,
+            GLuint serialId,
+            const egl::Config *config,
+            const AttributeMap &attributes,
+            bool forceRobustResourceInit,
+            EGLenum buftype = EGL_NONE);
+    ~Surface() override;
+    rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override;
+
+    // ANGLE-only method, used internally
+    friend class gl::Texture;
+    Error releaseTexImageFromTexture(const gl::Context *context);
+
+    SurfaceState mState;
+    rx::SurfaceImpl *mImplementation;
+    int mRefCount;
+    bool mDestroyed;
+
+    EGLint mType;
+    EGLenum mBuftype;
+
+    bool mPostSubBufferRequested;
+
+    bool mLargestPbuffer;
+    EGLenum mGLColorspace;
+    EGLenum mVGAlphaFormat;
+    EGLenum mVGColorspace;
+    bool mMipmapTexture;
+    EGLint mMipmapLevel;
+    EGLint mHorizontalResolution;
+    EGLint mVerticalResolution;
+    EGLenum mMultisampleResolve;
+
+    bool mFixedSize;
+    size_t mFixedWidth;
+    size_t mFixedHeight;
+
+    bool mRobustResourceInitialization;
+
+    TextureFormat mTextureFormat;
+    EGLenum mTextureTarget;
+
+    EGLint mPixelAspectRatio;  // Display aspect ratio
+    EGLenum mRenderBuffer;     // Render buffer
+
+    EGLint mOrientation;
+
+    // We don't use a binding pointer here. We don't ever want to own an orphaned texture. If a
+    // Texture is deleted the Surface is unbound in onDestroy.
+    gl::Texture *mTexture;
+
+    gl::Format mColorFormat;
+    gl::Format mDSFormat;
+
+    gl::Offset mTextureOffset;
+
+    bool mIsCurrentOnAnyContext;  // The surface is current to a context/client API
+    uint8_t *mLockBufferPtr;      // Memory owned by backend.
+    EGLint mLockBufferPitch;
+
+    bool mBufferAgeQueriedSinceLastSwap;
+    bool mIsDamageRegionSet;
+
+  private:
+    Error getBufferAgeImpl(const gl::Context *context, EGLint *age) const;
+
+    Error destroyImpl(const Display *display);
+
+    void postSwap(const gl::Context *context);
+    Error releaseRef(const Display *display);
+
+    // ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    gl::InitState mColorInitState;
+    gl::InitState mDepthStencilInitState;
+    angle::ObserverBinding mImplObserverBinding;
+
+    GLuint mSerialId;
+};
+
+class WindowSurface final : public Surface
+{
+  public:
+    WindowSurface(rx::EGLImplFactory *implFactory,
+                  const Config *config,
+                  EGLNativeWindowType window,
+                  const AttributeMap &attribs,
+                  bool robustResourceInit);
+    ~WindowSurface() override;
+};
+
+class PbufferSurface final : public Surface
+{
+  public:
+    PbufferSurface(rx::EGLImplFactory *implFactory,
+                   const Config *config,
+                   const AttributeMap &attribs,
+                   bool robustResourceInit);
+    PbufferSurface(rx::EGLImplFactory *implFactory,
+                   const Config *config,
+                   EGLenum buftype,
+                   EGLClientBuffer clientBuffer,
+                   const AttributeMap &attribs,
+                   bool robustResourceInit);
+
+  protected:
+    ~PbufferSurface() override;
+};
+
+class PixmapSurface final : public Surface
+{
+  public:
+    PixmapSurface(rx::EGLImplFactory *implFactory,
+                  const Config *config,
+                  NativePixmapType nativePixmap,
+                  const AttributeMap &attribs,
+                  bool robustResourceInit);
+
+  protected:
+    ~PixmapSurface() override;
+};
+
+class [[nodiscard]] ScopedSurfaceRef
+{
+  public:
+    ScopedSurfaceRef(Surface *surface) : mSurface(surface)
+    {
+        if (mSurface)
+        {
+            mSurface->addRef();
+        }
+    }
+    ~ScopedSurfaceRef()
+    {
+        if (mSurface)
+        {
+            mSurface->release();
+        }
+    }
+
+  private:
+    Surface *const mSurface;
+};
+
+class SurfaceDeleter final
+{
+  public:
+    SurfaceDeleter(const Display *display);
+    ~SurfaceDeleter();
+    void operator()(Surface *surface);
+
+  private:
+    const Display *mDisplay;
+};
+
+using SurfacePointer = std::unique_ptr<Surface, SurfaceDeleter>;
+
+}  // namespace egl
+
+#endif  // LIBANGLE_SURFACE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Texture.cpp b/gfx/angle/checkout/src/libANGLE/Texture.cpp
new file mode 100644
index 0000000000..89930d1c29
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Texture.cpp
@@ -0,0 +1,2494 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Texture.cpp: Implements the gl::Texture class. [OpenGL ES 2.0.24] section 3.7 page 63.
+
+#include "libANGLE/Texture.h"
+
+#include "common/mathutil.h"
+#include "common/utilities.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/State.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/TextureImpl.h"
+
+namespace gl
+{
+
+namespace
+{
+constexpr angle::SubjectIndex kBufferSubjectIndex = 2;
+static_assert(kBufferSubjectIndex != rx::kTextureImageImplObserverMessageIndex, "Index collision");
+static_assert(kBufferSubjectIndex != rx::kTextureImageSiblingMessageIndex, "Index collision");
+
+bool IsPointSampled(const SamplerState &samplerState)
+{
+    return (samplerState.getMagFilter() == GL_NEAREST &&
+            (samplerState.getMinFilter() == GL_NEAREST ||
+             samplerState.getMinFilter() == GL_NEAREST_MIPMAP_NEAREST));
+}
+
+size_t GetImageDescIndex(TextureTarget target, size_t level)
+{
+    return IsCubeMapFaceTarget(target) ? (level * 6 + CubeMapTextureTargetToFaceIndex(target))
+                                       : level;
+}
+
+InitState DetermineInitState(const Context *context, Buffer *unpackBuffer, const uint8_t *pixels)
+{
+    // Can happen in tests.
+    if (!context || !context->isRobustResourceInitEnabled())
+    {
+        return InitState::Initialized;
+    }
+
+    return (!pixels && !unpackBuffer) ? InitState::MayNeedInit : InitState::Initialized;
+}
+}  // namespace
+
+GLenum ConvertToNearestFilterMode(GLenum filterMode)
+{
+    switch (filterMode)
+    {
+        case GL_LINEAR:
+            return GL_NEAREST;
+        case GL_LINEAR_MIPMAP_NEAREST:
+            return GL_NEAREST_MIPMAP_NEAREST;
+        case GL_LINEAR_MIPMAP_LINEAR:
+            return GL_NEAREST_MIPMAP_LINEAR;
+        default:
+            return filterMode;
+    }
+}
+
+GLenum ConvertToNearestMipFilterMode(GLenum filterMode)
+{
+    switch (filterMode)
+    {
+        case GL_LINEAR_MIPMAP_LINEAR:
+            return GL_LINEAR_MIPMAP_NEAREST;
+        case GL_NEAREST_MIPMAP_LINEAR:
+            return GL_NEAREST_MIPMAP_NEAREST;
+        default:
+            return filterMode;
+    }
+}
+
+bool IsMipmapSupported(const TextureType &type)
+{
+    if (type == TextureType::_2DMultisample || type == TextureType::Buffer)
+    {
+        return false;
+    }
+    return true;
+}
+
+SwizzleState::SwizzleState()
+    : swizzleRed(GL_RED), swizzleGreen(GL_GREEN), swizzleBlue(GL_BLUE), swizzleAlpha(GL_ALPHA)
+{}
+
+SwizzleState::SwizzleState(GLenum red, GLenum green, GLenum blue, GLenum alpha)
+    : swizzleRed(red), swizzleGreen(green), swizzleBlue(blue), swizzleAlpha(alpha)
+{}
+
+bool SwizzleState::swizzleRequired() const
+{
+    return swizzleRed != GL_RED || swizzleGreen != GL_GREEN || swizzleBlue != GL_BLUE ||
+           swizzleAlpha != GL_ALPHA;
+}
+
+bool SwizzleState::operator==(const SwizzleState &other) const
+{
+    return swizzleRed == other.swizzleRed && swizzleGreen == other.swizzleGreen &&
+           swizzleBlue == other.swizzleBlue && swizzleAlpha == other.swizzleAlpha;
+}
+
+bool SwizzleState::operator!=(const SwizzleState &other) const
+{
+    return !(*this == other);
+}
+
+TextureState::TextureState(TextureType type)
+    : mType(type),
+      mSamplerState(SamplerState::CreateDefaultForTarget(type)),
+      mSrgbOverride(SrgbOverride::Default),
+      mBaseLevel(0),
+      mMaxLevel(kInitialMaxLevel),
+      mDepthStencilTextureMode(GL_DEPTH_COMPONENT),
+      mHasBeenBoundAsImage(false),
+      mIs3DAndHasBeenBoundAs2DImage(false),
+      mHasBeenBoundAsAttachment(false),
+      mImmutableFormat(false),
+      mImmutableLevels(0),
+      mUsage(GL_NONE),
+      mHasProtectedContent(false),
+      mImageDescs((IMPLEMENTATION_MAX_TEXTURE_LEVELS + 1) * (type == TextureType::CubeMap ? 6 : 1)),
+      mCropRect(0, 0, 0, 0),
+      mGenerateMipmapHint(GL_FALSE),
+      mInitState(InitState::Initialized),
+      mCachedSamplerFormat(SamplerFormat::InvalidEnum),
+      mCachedSamplerCompareMode(GL_NONE),
+      mCachedSamplerFormatValid(false)
+{}
+
+TextureState::~TextureState() {}
+
+bool TextureState::swizzleRequired() const
+{
+    return mSwizzleState.swizzleRequired();
+}
+
+GLuint TextureState::getEffectiveBaseLevel() const
+{
+    if (mImmutableFormat)
+    {
+        // GLES 3.0.4 section 3.8.10
+        return std::min(mBaseLevel, mImmutableLevels - 1);
+    }
+    // Some classes use the effective base level to index arrays with level data. By clamping the
+    // effective base level to max levels these arrays need just one extra item to store properties
+    // that should be returned for all out-of-range base level values, instead of needing special
+    // handling for out-of-range base levels.
+    return std::min(mBaseLevel, static_cast<GLuint>(IMPLEMENTATION_MAX_TEXTURE_LEVELS));
+}
+
+GLuint TextureState::getEffectiveMaxLevel() const
+{
+    if (mImmutableFormat)
+    {
+        // GLES 3.0.4 section 3.8.10
+        GLuint clampedMaxLevel = std::max(mMaxLevel, getEffectiveBaseLevel());
+        clampedMaxLevel        = std::min(clampedMaxLevel, mImmutableLevels - 1);
+        return clampedMaxLevel;
+    }
+    return mMaxLevel;
+}
+
+GLuint TextureState::getMipmapMaxLevel() const
+{
+    const ImageDesc &baseImageDesc = getImageDesc(getBaseImageTarget(), getEffectiveBaseLevel());
+    GLuint expectedMipLevels       = 0;
+    if (mType == TextureType::_3D)
+    {
+        const int maxDim  = std::max(std::max(baseImageDesc.size.width, baseImageDesc.size.height),
+                                     baseImageDesc.size.depth);
+        expectedMipLevels = static_cast<GLuint>(log2(maxDim));
+    }
+    else
+    {
+        expectedMipLevels = static_cast<GLuint>(
+            log2(std::max(baseImageDesc.size.width, baseImageDesc.size.height)));
+    }
+
+    return std::min<GLuint>(getEffectiveBaseLevel() + expectedMipLevels, getEffectiveMaxLevel());
+}
+
+bool TextureState::setBaseLevel(GLuint baseLevel)
+{
+    if (mBaseLevel != baseLevel)
+    {
+        mBaseLevel = baseLevel;
+        return true;
+    }
+    return false;
+}
+
+bool TextureState::setMaxLevel(GLuint maxLevel)
+{
+    if (mMaxLevel != maxLevel)
+    {
+        mMaxLevel = maxLevel;
+        return true;
+    }
+
+    return false;
+}
+
+// Tests for cube texture completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
+// According to [OpenGL ES 3.0.5] section 3.8.13 Texture Completeness page 160 any
+// per-level checks begin at the base-level.
+// For OpenGL ES2 the base level is always zero.
+bool TextureState::isCubeComplete() const
+{
+    ASSERT(mType == TextureType::CubeMap);
+
+    angle::EnumIterator<TextureTarget> face = kCubeMapTextureTargetMin;
+    const ImageDesc &baseImageDesc          = getImageDesc(*face, getEffectiveBaseLevel());
+    if (baseImageDesc.size.width == 0 || baseImageDesc.size.width != baseImageDesc.size.height)
+    {
+        return false;
+    }
+
+    ++face;
+
+    for (; face != kAfterCubeMapTextureTargetMax; ++face)
+    {
+        const ImageDesc &faceImageDesc = getImageDesc(*face, getEffectiveBaseLevel());
+        if (faceImageDesc.size.width != baseImageDesc.size.width ||
+            faceImageDesc.size.height != baseImageDesc.size.height ||
+            !Format::SameSized(faceImageDesc.format, baseImageDesc.format))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+const ImageDesc &TextureState::getBaseLevelDesc() const
+{
+    ASSERT(mType != TextureType::CubeMap || isCubeComplete());
+    return getImageDesc(getBaseImageTarget(), getEffectiveBaseLevel());
+}
+
+const ImageDesc &TextureState::getLevelZeroDesc() const
+{
+    ASSERT(mType != TextureType::CubeMap || isCubeComplete());
+    return getImageDesc(getBaseImageTarget(), 0);
+}
+
+void TextureState::setCrop(const Rectangle &rect)
+{
+    mCropRect = rect;
+}
+
+const Rectangle &TextureState::getCrop() const
+{
+    return mCropRect;
+}
+
+void TextureState::setGenerateMipmapHint(GLenum hint)
+{
+    mGenerateMipmapHint = hint;
+}
+
+GLenum TextureState::getGenerateMipmapHint() const
+{
+    return mGenerateMipmapHint;
+}
+
+SamplerFormat TextureState::computeRequiredSamplerFormat(const SamplerState &samplerState) const
+{
+    const ImageDesc &baseImageDesc = getImageDesc(getBaseImageTarget(), getEffectiveBaseLevel());
+    if ((baseImageDesc.format.info->format == GL_DEPTH_COMPONENT ||
+         baseImageDesc.format.info->format == GL_DEPTH_STENCIL) &&
+        samplerState.getCompareMode() != GL_NONE)
+    {
+        return SamplerFormat::Shadow;
+    }
+    else
+    {
+        switch (baseImageDesc.format.info->componentType)
+        {
+            case GL_UNSIGNED_NORMALIZED:
+            case GL_SIGNED_NORMALIZED:
+            case GL_FLOAT:
+                return SamplerFormat::Float;
+            case GL_INT:
+                return SamplerFormat::Signed;
+            case GL_UNSIGNED_INT:
+                return SamplerFormat::Unsigned;
+            default:
+                return SamplerFormat::InvalidEnum;
+        }
+    }
+}
+
+bool TextureState::computeSamplerCompleteness(const SamplerState &samplerState,
+                                              const State &state) const
+{
+    // Buffer textures cannot be incomplete.
+    if (mType == TextureType::Buffer)
+    {
+        return true;
+    }
+
+    // Check for all non-format-based completeness rules
+    if (!computeSamplerCompletenessForCopyImage(samplerState, state))
+    {
+        return false;
+    }
+
+    const ImageDesc &baseImageDesc = getImageDesc(getBaseImageTarget(), getEffectiveBaseLevel());
+
+    // According to es 3.1 spec, texture is justified as incomplete if sized internalformat is
+    // unfilterable(table 20.11) and filter is not GL_NEAREST(8.16). The default value of minFilter
+    // is NEAREST_MIPMAP_LINEAR and magFilter is LINEAR(table 20.11,). For multismaple texture,
+    // filter state of multisample texture is ignored(11.1.3.3). So it shouldn't be judged as
+    // incomplete texture. So, we ignore filtering for multisample texture completeness here.
+    if (!IsMultisampled(mType) &&
+        !baseImageDesc.format.info->filterSupport(state.getClientVersion(),
+                                                  state.getExtensions()) &&
+        !IsPointSampled(samplerState))
+    {
+        return false;
+    }
+
+    // OpenGLES 3.0.2 spec section 3.8.13 states that a texture is not mipmap complete if:
+    // The internalformat specified for the texture arrays is a sized internal depth or
+    // depth and stencil format (see table 3.13), the value of TEXTURE_COMPARE_-
+    // MODE is NONE, and either the magnification filter is not NEAREST or the mini-
+    // fication filter is neither NEAREST nor NEAREST_MIPMAP_NEAREST.
+    if (!IsMultisampled(mType) && baseImageDesc.format.info->depthBits > 0 &&
+        state.getClientMajorVersion() >= 3)
+    {
+        // Note: we restrict this validation to sized types. For the OES_depth_textures
+        // extension, due to some underspecification problems, we must allow linear filtering
+        // for legacy compatibility with WebGL 1.
+        // See http://crbug.com/649200
+        if (samplerState.getCompareMode() == GL_NONE && baseImageDesc.format.info->sized)
+        {
+            if ((samplerState.getMinFilter() != GL_NEAREST &&
+                 samplerState.getMinFilter() != GL_NEAREST_MIPMAP_NEAREST) ||
+                samplerState.getMagFilter() != GL_NEAREST)
+            {
+                return false;
+            }
+        }
+    }
+
+    // OpenGLES 3.1 spec section 8.16 states that a texture is not mipmap complete if:
+    // The internalformat specified for the texture is DEPTH_STENCIL format, the value of
+    // DEPTH_STENCIL_TEXTURE_MODE is STENCIL_INDEX, and either the magnification filter is
+    // not NEAREST or the minification filter is neither NEAREST nor NEAREST_MIPMAP_NEAREST.
+    // However, the ES 3.1 spec differs from the statement above, because it is incorrect.
+    // See the issue at https://github.com/KhronosGroup/OpenGL-API/issues/33.
+    // For multismaple texture, filter state of multisample texture is ignored(11.1.3.3).
+    // So it shouldn't be judged as incomplete texture. So, we ignore filtering for multisample
+    // texture completeness here.
+    if (!IsMultisampled(mType) && baseImageDesc.format.info->depthBits > 0 &&
+        mDepthStencilTextureMode == GL_STENCIL_INDEX)
+    {
+        if ((samplerState.getMinFilter() != GL_NEAREST &&
+             samplerState.getMinFilter() != GL_NEAREST_MIPMAP_NEAREST) ||
+            samplerState.getMagFilter() != GL_NEAREST)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+// CopyImageSubData has more lax rules for texture completeness: format-based completeness rules are
+// ignored, so a texture can still be considered complete even if it violates format-specific
+// conditions
+bool TextureState::computeSamplerCompletenessForCopyImage(const SamplerState &samplerState,
+                                                          const State &state) const
+{
+    // Buffer textures cannot be incomplete.
+    if (mType == TextureType::Buffer)
+    {
+        return true;
+    }
+
+    if (!mImmutableFormat && mBaseLevel > mMaxLevel)
+    {
+        return false;
+    }
+    const ImageDesc &baseImageDesc = getImageDesc(getBaseImageTarget(), getEffectiveBaseLevel());
+    if (baseImageDesc.size.width == 0 || baseImageDesc.size.height == 0 ||
+        baseImageDesc.size.depth == 0)
+    {
+        return false;
+    }
+    // The cases where the texture is incomplete because base level is out of range should be
+    // handled by the above condition.
+    ASSERT(mBaseLevel < IMPLEMENTATION_MAX_TEXTURE_LEVELS || mImmutableFormat);
+
+    if (mType == TextureType::CubeMap && baseImageDesc.size.width != baseImageDesc.size.height)
+    {
+        return false;
+    }
+
+    bool npotSupport = state.getExtensions().textureNpotOES || state.getClientMajorVersion() >= 3;
+    if (!npotSupport)
+    {
+        if ((samplerState.getWrapS() != GL_CLAMP_TO_EDGE &&
+             samplerState.getWrapS() != GL_CLAMP_TO_BORDER && !isPow2(baseImageDesc.size.width)) ||
+            (samplerState.getWrapT() != GL_CLAMP_TO_EDGE &&
+             samplerState.getWrapT() != GL_CLAMP_TO_BORDER && !isPow2(baseImageDesc.size.height)))
+        {
+            return false;
+        }
+    }
+
+    if (IsMipmapSupported(mType) && IsMipmapFiltered(samplerState.getMinFilter()))
+    {
+        if (!npotSupport)
+        {
+            if (!isPow2(baseImageDesc.size.width) || !isPow2(baseImageDesc.size.height))
+            {
+                return false;
+            }
+        }
+
+        if (!computeMipmapCompleteness())
+        {
+            return false;
+        }
+    }
+    else
+    {
+        if (mType == TextureType::CubeMap && !isCubeComplete())
+        {
+            return false;
+        }
+    }
+
+    // From GL_OES_EGL_image_external_essl3: If state is present in a sampler object bound to a
+    // texture unit that would have been rejected by a call to TexParameter* for the texture bound
+    // to that unit, the behavior of the implementation is as if the texture were incomplete. For
+    // example, if TEXTURE_WRAP_S or TEXTURE_WRAP_T is set to anything but CLAMP_TO_EDGE on the
+    // sampler object bound to a texture unit and the texture bound to that unit is an external
+    // texture and EXT_EGL_image_external_wrap_modes is not enabled, the texture will be considered
+    // incomplete.
+    // Sampler object state which does not affect sampling for the type of texture bound
+    // to a texture unit, such as TEXTURE_WRAP_R for an external texture, does not affect
+    // completeness.
+    if (mType == TextureType::External)
+    {
+        if (!state.getExtensions().EGLImageExternalWrapModesEXT)
+        {
+            if (samplerState.getWrapS() != GL_CLAMP_TO_EDGE ||
+                samplerState.getWrapT() != GL_CLAMP_TO_EDGE)
+            {
+                return false;
+            }
+        }
+
+        if (samplerState.getMinFilter() != GL_LINEAR && samplerState.getMinFilter() != GL_NEAREST)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool TextureState::computeMipmapCompleteness() const
+{
+    const GLuint maxLevel = getMipmapMaxLevel();
+
+    for (GLuint level = getEffectiveBaseLevel(); level <= maxLevel; level++)
+    {
+        if (mType == TextureType::CubeMap)
+        {
+            for (TextureTarget face : AllCubeFaceTextureTargets())
+            {
+                if (!computeLevelCompleteness(face, level))
+                {
+                    return false;
+                }
+            }
+        }
+        else
+        {
+            if (!computeLevelCompleteness(NonCubeTextureTypeToTarget(mType), level))
+            {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+bool TextureState::computeLevelCompleteness(TextureTarget target, size_t level) const
+{
+    ASSERT(level < IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+
+    if (mImmutableFormat)
+    {
+        return true;
+    }
+
+    const ImageDesc &baseImageDesc = getImageDesc(getBaseImageTarget(), getEffectiveBaseLevel());
+    if (baseImageDesc.size.width == 0 || baseImageDesc.size.height == 0 ||
+        baseImageDesc.size.depth == 0)
+    {
+        return false;
+    }
+
+    const ImageDesc &levelImageDesc = getImageDesc(target, level);
+    if (levelImageDesc.size.width == 0 || levelImageDesc.size.height == 0 ||
+        levelImageDesc.size.depth == 0)
+    {
+        return false;
+    }
+
+    if (!Format::SameSized(levelImageDesc.format, baseImageDesc.format))
+    {
+        return false;
+    }
+
+    ASSERT(level >= getEffectiveBaseLevel());
+    const size_t relativeLevel = level - getEffectiveBaseLevel();
+    if (levelImageDesc.size.width != std::max(1, baseImageDesc.size.width >> relativeLevel))
+    {
+        return false;
+    }
+
+    if (levelImageDesc.size.height != std::max(1, baseImageDesc.size.height >> relativeLevel))
+    {
+        return false;
+    }
+
+    if (mType == TextureType::_3D)
+    {
+        if (levelImageDesc.size.depth != std::max(1, baseImageDesc.size.depth >> relativeLevel))
+        {
+            return false;
+        }
+    }
+    else if (IsArrayTextureType(mType))
+    {
+        if (levelImageDesc.size.depth != baseImageDesc.size.depth)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+TextureTarget TextureState::getBaseImageTarget() const
+{
+    return mType == TextureType::CubeMap ? kCubeMapTextureTargetMin
+                                         : NonCubeTextureTypeToTarget(mType);
+}
+
+GLuint TextureState::getEnabledLevelCount() const
+{
+    GLuint levelCount      = 0;
+    const GLuint baseLevel = getEffectiveBaseLevel();
+    const GLuint maxLevel  = std::min(getEffectiveMaxLevel(), getMipmapMaxLevel());
+
+    // The mip chain will have either one or more sequential levels, or max levels,
+    // but not a sparse one.
+    Optional<Extents> expectedSize;
+    for (size_t enabledLevel = baseLevel; enabledLevel <= maxLevel; ++enabledLevel, ++levelCount)
+    {
+        // Note: for cube textures, we only check the first face.
+        TextureTarget target     = TextureTypeToTarget(mType, 0);
+        size_t descIndex         = GetImageDescIndex(target, enabledLevel);
+        const Extents &levelSize = mImageDescs[descIndex].size;
+
+        if (levelSize.empty())
+        {
+            break;
+        }
+        if (expectedSize.valid())
+        {
+            Extents newSize = expectedSize.value();
+            newSize.width   = std::max(1, newSize.width >> 1);
+            newSize.height  = std::max(1, newSize.height >> 1);
+
+            if (!IsArrayTextureType(mType))
+            {
+                newSize.depth = std::max(1, newSize.depth >> 1);
+            }
+
+            if (newSize != levelSize)
+            {
+                break;
+            }
+        }
+        expectedSize = levelSize;
+    }
+
+    return levelCount;
+}
+
+ImageDesc::ImageDesc()
+    : ImageDesc(Extents(0, 0, 0), Format::Invalid(), 0, GL_TRUE, InitState::Initialized)
+{}
+
+ImageDesc::ImageDesc(const Extents &size, const Format &format, const InitState initState)
+    : size(size), format(format), samples(0), fixedSampleLocations(GL_TRUE), initState(initState)
+{}
+
+ImageDesc::ImageDesc(const Extents &size,
+                     const Format &format,
+                     const GLsizei samples,
+                     const bool fixedSampleLocations,
+                     const InitState initState)
+    : size(size),
+      format(format),
+      samples(samples),
+      fixedSampleLocations(fixedSampleLocations),
+      initState(initState)
+{}
+
+GLint ImageDesc::getMemorySize() const
+{
+    // Assume allocated size is around width * height * depth * samples * pixelBytes
+    angle::CheckedNumeric<GLint> levelSize = 1;
+    levelSize *= format.info->pixelBytes;
+    levelSize *= size.width;
+    levelSize *= size.height;
+    levelSize *= size.depth;
+    levelSize *= std::max(samples, 1);
+    return levelSize.ValueOrDefault(std::numeric_limits<GLint>::max());
+}
+
+const ImageDesc &TextureState::getImageDesc(TextureTarget target, size_t level) const
+{
+    size_t descIndex = GetImageDescIndex(target, level);
+    ASSERT(descIndex < mImageDescs.size());
+    return mImageDescs[descIndex];
+}
+
+void TextureState::setImageDesc(TextureTarget target, size_t level, const ImageDesc &desc)
+{
+    size_t descIndex = GetImageDescIndex(target, level);
+    ASSERT(descIndex < mImageDescs.size());
+    mImageDescs[descIndex] = desc;
+    if (desc.initState == InitState::MayNeedInit)
+    {
+        mInitState = InitState::MayNeedInit;
+    }
+    else
+    {
+        // Scan for any uninitialized images. If there are none, set the init state of the entire
+        // texture to initialized. The cost of the scan is only paid after doing image
+        // initialization which is already very expensive.
+        bool allImagesInitialized = true;
+
+        for (const ImageDesc &initDesc : mImageDescs)
+        {
+            if (initDesc.initState == InitState::MayNeedInit)
+            {
+                allImagesInitialized = false;
+                break;
+            }
+        }
+
+        if (allImagesInitialized)
+        {
+            mInitState = InitState::Initialized;
+        }
+    }
+}
+
+// Note that an ImageIndex that represents an entire level of a cube map corresponds to 6
+// ImageDescs, so if the cube map is cube complete, we return the ImageDesc of the first cube
+// face, and we don't allow using this function when the cube map is not cube complete.
+const ImageDesc &TextureState::getImageDesc(const ImageIndex &imageIndex) const
+{
+    if (imageIndex.isEntireLevelCubeMap())
+    {
+        ASSERT(isCubeComplete());
+        const GLint levelIndex = imageIndex.getLevelIndex();
+        return getImageDesc(kCubeMapTextureTargetMin, levelIndex);
+    }
+
+    return getImageDesc(imageIndex.getTarget(), imageIndex.getLevelIndex());
+}
+
+void TextureState::setImageDescChain(GLuint baseLevel,
+                                     GLuint maxLevel,
+                                     Extents baseSize,
+                                     const Format &format,
+                                     InitState initState)
+{
+    for (GLuint level = baseLevel; level <= maxLevel; level++)
+    {
+        int relativeLevel = (level - baseLevel);
+        Extents levelSize(std::max<int>(baseSize.width >> relativeLevel, 1),
+                          std::max<int>(baseSize.height >> relativeLevel, 1),
+                          (IsArrayTextureType(mType))
+                              ? baseSize.depth
+                              : std::max<int>(baseSize.depth >> relativeLevel, 1));
+        ImageDesc levelInfo(levelSize, format, initState);
+
+        if (mType == TextureType::CubeMap)
+        {
+            for (TextureTarget face : AllCubeFaceTextureTargets())
+            {
+                setImageDesc(face, level, levelInfo);
+            }
+        }
+        else
+        {
+            setImageDesc(NonCubeTextureTypeToTarget(mType), level, levelInfo);
+        }
+    }
+}
+
+void TextureState::setImageDescChainMultisample(Extents baseSize,
+                                                const Format &format,
+                                                GLsizei samples,
+                                                bool fixedSampleLocations,
+                                                InitState initState)
+{
+    ASSERT(mType == TextureType::_2DMultisample || mType == TextureType::_2DMultisampleArray);
+    ImageDesc levelInfo(baseSize, format, samples, fixedSampleLocations, initState);
+    setImageDesc(NonCubeTextureTypeToTarget(mType), 0, levelInfo);
+}
+
+void TextureState::clearImageDesc(TextureTarget target, size_t level)
+{
+    setImageDesc(target, level, ImageDesc());
+}
+
+void TextureState::clearImageDescs()
+{
+    for (size_t descIndex = 0; descIndex < mImageDescs.size(); descIndex++)
+    {
+        mImageDescs[descIndex] = ImageDesc();
+    }
+}
+
+Texture::Texture(rx::GLImplFactory *factory, TextureID id, TextureType type)
+    : RefCountObject(factory->generateSerial(), id),
+      mState(type),
+      mTexture(factory->createTexture(mState)),
+      mImplObserver(this, rx::kTextureImageImplObserverMessageIndex),
+      mBufferObserver(this, kBufferSubjectIndex),
+      mBoundSurface(nullptr),
+      mBoundStream(nullptr)
+{
+    mImplObserver.bind(mTexture);
+
+    // Initially assume the implementation is dirty.
+    mDirtyBits.set(DIRTY_BIT_IMPLEMENTATION);
+}
+
+void Texture::onDestroy(const Context *context)
+{
+    if (mBoundSurface)
+    {
+        ANGLE_SWALLOW_ERR(mBoundSurface->releaseTexImage(context, EGL_BACK_BUFFER));
+        mBoundSurface = nullptr;
+    }
+    if (mBoundStream)
+    {
+        mBoundStream->releaseTextures();
+        mBoundStream = nullptr;
+    }
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    (void)orphanImages(context, &releaseImage);
+
+    mState.mBuffer.set(context, nullptr, 0, 0);
+
+    if (mTexture)
+    {
+        mTexture->onDestroy(context);
+    }
+}
+
+Texture::~Texture()
+{
+    SafeDelete(mTexture);
+}
+
+angle::Result Texture::setLabel(const Context *context, const std::string &label)
+{
+    mState.mLabel = label;
+    return mTexture->onLabelUpdate(context);
+}
+
+const std::string &Texture::getLabel() const
+{
+    return mState.mLabel;
+}
+
+void Texture::setSwizzleRed(const Context *context, GLenum swizzleRed)
+{
+    if (mState.mSwizzleState.swizzleRed != swizzleRed)
+    {
+        mState.mSwizzleState.swizzleRed = swizzleRed;
+        signalDirtyState(DIRTY_BIT_SWIZZLE_RED);
+    }
+}
+
+GLenum Texture::getSwizzleRed() const
+{
+    return mState.mSwizzleState.swizzleRed;
+}
+
+void Texture::setSwizzleGreen(const Context *context, GLenum swizzleGreen)
+{
+    if (mState.mSwizzleState.swizzleGreen != swizzleGreen)
+    {
+        mState.mSwizzleState.swizzleGreen = swizzleGreen;
+        signalDirtyState(DIRTY_BIT_SWIZZLE_GREEN);
+    }
+}
+
+GLenum Texture::getSwizzleGreen() const
+{
+    return mState.mSwizzleState.swizzleGreen;
+}
+
+void Texture::setSwizzleBlue(const Context *context, GLenum swizzleBlue)
+{
+    if (mState.mSwizzleState.swizzleBlue != swizzleBlue)
+    {
+        mState.mSwizzleState.swizzleBlue = swizzleBlue;
+        signalDirtyState(DIRTY_BIT_SWIZZLE_BLUE);
+    }
+}
+
+GLenum Texture::getSwizzleBlue() const
+{
+    return mState.mSwizzleState.swizzleBlue;
+}
+
+void Texture::setSwizzleAlpha(const Context *context, GLenum swizzleAlpha)
+{
+    if (mState.mSwizzleState.swizzleAlpha != swizzleAlpha)
+    {
+        mState.mSwizzleState.swizzleAlpha = swizzleAlpha;
+        signalDirtyState(DIRTY_BIT_SWIZZLE_ALPHA);
+    }
+}
+
+GLenum Texture::getSwizzleAlpha() const
+{
+    return mState.mSwizzleState.swizzleAlpha;
+}
+
+void Texture::setMinFilter(const Context *context, GLenum minFilter)
+{
+    if (mState.mSamplerState.setMinFilter(minFilter))
+    {
+        signalDirtyState(DIRTY_BIT_MIN_FILTER);
+    }
+}
+
+GLenum Texture::getMinFilter() const
+{
+    return mState.mSamplerState.getMinFilter();
+}
+
+void Texture::setMagFilter(const Context *context, GLenum magFilter)
+{
+    if (mState.mSamplerState.setMagFilter(magFilter))
+    {
+        signalDirtyState(DIRTY_BIT_MAG_FILTER);
+    }
+}
+
+GLenum Texture::getMagFilter() const
+{
+    return mState.mSamplerState.getMagFilter();
+}
+
+void Texture::setWrapS(const Context *context, GLenum wrapS)
+{
+    if (mState.mSamplerState.setWrapS(wrapS))
+    {
+        signalDirtyState(DIRTY_BIT_WRAP_S);
+    }
+}
+
+GLenum Texture::getWrapS() const
+{
+    return mState.mSamplerState.getWrapS();
+}
+
+void Texture::setWrapT(const Context *context, GLenum wrapT)
+{
+    if (mState.mSamplerState.getWrapT() == wrapT)
+        return;
+    if (mState.mSamplerState.setWrapT(wrapT))
+    {
+        signalDirtyState(DIRTY_BIT_WRAP_T);
+    }
+}
+
+GLenum Texture::getWrapT() const
+{
+    return mState.mSamplerState.getWrapT();
+}
+
+void Texture::setWrapR(const Context *context, GLenum wrapR)
+{
+    if (mState.mSamplerState.setWrapR(wrapR))
+    {
+        signalDirtyState(DIRTY_BIT_WRAP_R);
+    }
+}
+
+GLenum Texture::getWrapR() const
+{
+    return mState.mSamplerState.getWrapR();
+}
+
+void Texture::setMaxAnisotropy(const Context *context, float maxAnisotropy)
+{
+    if (mState.mSamplerState.setMaxAnisotropy(maxAnisotropy))
+    {
+        signalDirtyState(DIRTY_BIT_MAX_ANISOTROPY);
+    }
+}
+
+float Texture::getMaxAnisotropy() const
+{
+    return mState.mSamplerState.getMaxAnisotropy();
+}
+
+void Texture::setMinLod(const Context *context, GLfloat minLod)
+{
+    if (mState.mSamplerState.setMinLod(minLod))
+    {
+        signalDirtyState(DIRTY_BIT_MIN_LOD);
+    }
+}
+
+GLfloat Texture::getMinLod() const
+{
+    return mState.mSamplerState.getMinLod();
+}
+
+void Texture::setMaxLod(const Context *context, GLfloat maxLod)
+{
+    if (mState.mSamplerState.setMaxLod(maxLod))
+    {
+        signalDirtyState(DIRTY_BIT_MAX_LOD);
+    }
+}
+
+GLfloat Texture::getMaxLod() const
+{
+    return mState.mSamplerState.getMaxLod();
+}
+
+void Texture::setCompareMode(const Context *context, GLenum compareMode)
+{
+    if (mState.mSamplerState.setCompareMode(compareMode))
+    {
+        signalDirtyState(DIRTY_BIT_COMPARE_MODE);
+    }
+}
+
+GLenum Texture::getCompareMode() const
+{
+    return mState.mSamplerState.getCompareMode();
+}
+
+void Texture::setCompareFunc(const Context *context, GLenum compareFunc)
+{
+    if (mState.mSamplerState.setCompareFunc(compareFunc))
+    {
+        signalDirtyState(DIRTY_BIT_COMPARE_FUNC);
+    }
+}
+
+GLenum Texture::getCompareFunc() const
+{
+    return mState.mSamplerState.getCompareFunc();
+}
+
+void Texture::setSRGBDecode(const Context *context, GLenum sRGBDecode)
+{
+    if (mState.mSamplerState.setSRGBDecode(sRGBDecode))
+    {
+        signalDirtyState(DIRTY_BIT_SRGB_DECODE);
+    }
+}
+
+GLenum Texture::getSRGBDecode() const
+{
+    return mState.mSamplerState.getSRGBDecode();
+}
+
+void Texture::setSRGBOverride(const Context *context, GLenum sRGBOverride)
+{
+    SrgbOverride oldOverride = mState.mSrgbOverride;
+    mState.mSrgbOverride = (sRGBOverride == GL_SRGB) ? SrgbOverride::SRGB : SrgbOverride::Default;
+    if (mState.mSrgbOverride != oldOverride)
+    {
+        signalDirtyState(DIRTY_BIT_SRGB_OVERRIDE);
+    }
+}
+
+GLenum Texture::getSRGBOverride() const
+{
+    return (mState.mSrgbOverride == SrgbOverride::SRGB) ? GL_SRGB : GL_NONE;
+}
+
+const SamplerState &Texture::getSamplerState() const
+{
+    return mState.mSamplerState;
+}
+
+angle::Result Texture::setBaseLevel(const Context *context, GLuint baseLevel)
+{
+    if (mState.setBaseLevel(baseLevel))
+    {
+        ANGLE_TRY(mTexture->setBaseLevel(context, mState.getEffectiveBaseLevel()));
+        signalDirtyState(DIRTY_BIT_BASE_LEVEL);
+    }
+
+    return angle::Result::Continue;
+}
+
+GLuint Texture::getBaseLevel() const
+{
+    return mState.mBaseLevel;
+}
+
+void Texture::setMaxLevel(const Context *context, GLuint maxLevel)
+{
+    if (mState.setMaxLevel(maxLevel))
+    {
+        signalDirtyState(DIRTY_BIT_MAX_LEVEL);
+    }
+}
+
+GLuint Texture::getMaxLevel() const
+{
+    return mState.mMaxLevel;
+}
+
+void Texture::setDepthStencilTextureMode(const Context *context, GLenum mode)
+{
+    if (mState.mDepthStencilTextureMode != mode)
+    {
+        mState.mDepthStencilTextureMode = mode;
+        signalDirtyState(DIRTY_BIT_DEPTH_STENCIL_TEXTURE_MODE);
+    }
+}
+
+GLenum Texture::getDepthStencilTextureMode() const
+{
+    return mState.mDepthStencilTextureMode;
+}
+
+bool Texture::getImmutableFormat() const
+{
+    return mState.mImmutableFormat;
+}
+
+GLuint Texture::getImmutableLevels() const
+{
+    return mState.mImmutableLevels;
+}
+
+void Texture::setUsage(const Context *context, GLenum usage)
+{
+    mState.mUsage = usage;
+    signalDirtyState(DIRTY_BIT_USAGE);
+}
+
+GLenum Texture::getUsage() const
+{
+    return mState.mUsage;
+}
+
+void Texture::setProtectedContent(Context *context, bool hasProtectedContent)
+{
+    mState.mHasProtectedContent = hasProtectedContent;
+}
+
+bool Texture::hasProtectedContent() const
+{
+    return mState.mHasProtectedContent;
+}
+
+const TextureState &Texture::getTextureState() const
+{
+    return mState;
+}
+
+const Extents &Texture::getExtents(TextureTarget target, size_t level) const
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    return mState.getImageDesc(target, level).size;
+}
+
+size_t Texture::getWidth(TextureTarget target, size_t level) const
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    return mState.getImageDesc(target, level).size.width;
+}
+
+size_t Texture::getHeight(TextureTarget target, size_t level) const
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    return mState.getImageDesc(target, level).size.height;
+}
+
+size_t Texture::getDepth(TextureTarget target, size_t level) const
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    return mState.getImageDesc(target, level).size.depth;
+}
+
+const Format &Texture::getFormat(TextureTarget target, size_t level) const
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    return mState.getImageDesc(target, level).format;
+}
+
+GLsizei Texture::getSamples(TextureTarget target, size_t level) const
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    return mState.getImageDesc(target, level).samples;
+}
+
+bool Texture::getFixedSampleLocations(TextureTarget target, size_t level) const
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    return mState.getImageDesc(target, level).fixedSampleLocations;
+}
+
+GLuint Texture::getMipmapMaxLevel() const
+{
+    return mState.getMipmapMaxLevel();
+}
+
+bool Texture::isMipmapComplete() const
+{
+    return mState.computeMipmapCompleteness();
+}
+
+egl::Surface *Texture::getBoundSurface() const
+{
+    return mBoundSurface;
+}
+
+egl::Stream *Texture::getBoundStream() const
+{
+    return mBoundStream;
+}
+
+GLint Texture::getMemorySize() const
+{
+    GLint implSize = mTexture->getMemorySize();
+    if (implSize > 0)
+    {
+        return implSize;
+    }
+
+    angle::CheckedNumeric<GLint> size = 0;
+    for (const ImageDesc &imageDesc : mState.mImageDescs)
+    {
+        size += imageDesc.getMemorySize();
+    }
+    return size.ValueOrDefault(std::numeric_limits<GLint>::max());
+}
+
+GLint Texture::getLevelMemorySize(TextureTarget target, GLint level) const
+{
+    GLint implSize = mTexture->getLevelMemorySize(target, level);
+    if (implSize > 0)
+    {
+        return implSize;
+    }
+
+    return mState.getImageDesc(target, level).getMemorySize();
+}
+
+void Texture::signalDirtyStorage(InitState initState)
+{
+    mState.mInitState = initState;
+    invalidateCompletenessCache();
+    mState.mCachedSamplerFormatValid = false;
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+}
+
+void Texture::signalDirtyState(size_t dirtyBit)
+{
+    mDirtyBits.set(dirtyBit);
+    invalidateCompletenessCache();
+    mState.mCachedSamplerFormatValid = false;
+
+    if (dirtyBit == DIRTY_BIT_BASE_LEVEL || dirtyBit == DIRTY_BIT_MAX_LEVEL)
+    {
+        onStateChange(angle::SubjectMessage::SubjectChanged);
+    }
+    else
+    {
+        onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+    }
+}
+
+angle::Result Texture::setImage(Context *context,
+                                const PixelUnpackState &unpackState,
+                                Buffer *unpackBuffer,
+                                TextureTarget target,
+                                GLint level,
+                                GLenum internalFormat,
+                                const Extents &size,
+                                GLenum format,
+                                GLenum type,
+                                const uint8_t *pixels)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, size.depth);
+
+    ANGLE_TRY(mTexture->setImage(context, index, internalFormat, size, format, type, unpackState,
+                                 unpackBuffer, pixels));
+
+    InitState initState = DetermineInitState(context, unpackBuffer, pixels);
+    mState.setImageDesc(target, level, ImageDesc(size, Format(internalFormat, type), initState));
+
+    ANGLE_TRY(handleMipmapGenerationHint(context, level));
+
+    signalDirtyStorage(initState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setSubImage(Context *context,
+                                   const PixelUnpackState &unpackState,
+                                   Buffer *unpackBuffer,
+                                   TextureTarget target,
+                                   GLint level,
+                                   const Box &area,
+                                   GLenum format,
+                                   GLenum type,
+                                   const uint8_t *pixels)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, area.depth);
+    ANGLE_TRY(ensureSubImageInitialized(context, index, area));
+
+    ANGLE_TRY(mTexture->setSubImage(context, index, area, format, type, unpackState, unpackBuffer,
+                                    pixels));
+
+    ANGLE_TRY(handleMipmapGenerationHint(context, level));
+
+    onStateChange(angle::SubjectMessage::ContentsChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setCompressedImage(Context *context,
+                                          const PixelUnpackState &unpackState,
+                                          TextureTarget target,
+                                          GLint level,
+                                          GLenum internalFormat,
+                                          const Extents &size,
+                                          size_t imageSize,
+                                          const uint8_t *pixels)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, size.depth);
+
+    ANGLE_TRY(mTexture->setCompressedImage(context, index, internalFormat, size, unpackState,
+                                           imageSize, pixels));
+
+    Buffer *unpackBuffer = context->getState().getTargetBuffer(BufferBinding::PixelUnpack);
+
+    InitState initState = DetermineInitState(context, unpackBuffer, pixels);
+    mState.setImageDesc(target, level, ImageDesc(size, Format(internalFormat), initState));
+    signalDirtyStorage(initState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setCompressedSubImage(const Context *context,
+                                             const PixelUnpackState &unpackState,
+                                             TextureTarget target,
+                                             GLint level,
+                                             const Box &area,
+                                             GLenum format,
+                                             size_t imageSize,
+                                             const uint8_t *pixels)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, area.depth);
+    ANGLE_TRY(ensureSubImageInitialized(context, index, area));
+
+    ANGLE_TRY(mTexture->setCompressedSubImage(context, index, area, format, unpackState, imageSize,
+                                              pixels));
+
+    onStateChange(angle::SubjectMessage::ContentsChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::copyImage(Context *context,
+                                 TextureTarget target,
+                                 GLint level,
+                                 const Rectangle &sourceArea,
+                                 GLenum internalFormat,
+                                 Framebuffer *source)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, 1);
+
+    const InternalFormat &internalFormatInfo =
+        GetInternalFormatInfo(internalFormat, GL_UNSIGNED_BYTE);
+
+    // Most if not all renderers clip these copies to the size of the source framebuffer, leaving
+    // other pixels untouched. For safety in robust resource initialization, assume that that
+    // clipping is going to occur when computing the region for which to ensure initialization. If
+    // the copy lies entirely off the source framebuffer, initialize as though a zero-size box is
+    // going to be set during the copy operation.
+    Box destBox;
+    bool forceCopySubImage = false;
+    if (context->isRobustResourceInitEnabled())
+    {
+        const FramebufferAttachment *sourceReadAttachment = source->getReadColorAttachment();
+        Extents fbSize                                    = sourceReadAttachment->getSize();
+        // Force using copySubImage when the source area is out of bounds AND
+        // we're not copying to and from the same texture
+        forceCopySubImage = ((sourceArea.x < 0) || (sourceArea.y < 0) ||
+                             ((sourceArea.x + sourceArea.width) > fbSize.width) ||
+                             ((sourceArea.y + sourceArea.height) > fbSize.height)) &&
+                            (sourceReadAttachment->getResource() != this);
+        Rectangle clippedArea;
+        if (ClipRectangle(sourceArea, Rectangle(0, 0, fbSize.width, fbSize.height), &clippedArea))
+        {
+            const Offset clippedOffset(clippedArea.x - sourceArea.x, clippedArea.y - sourceArea.y,
+                                       0);
+            destBox = Box(clippedOffset.x, clippedOffset.y, clippedOffset.z, clippedArea.width,
+                          clippedArea.height, 1);
+        }
+    }
+
+    InitState initState = DetermineInitState(context, nullptr, nullptr);
+
+    // If we need to initialize the destination texture we split the call into a create call,
+    // an initializeContents call, and then a copySubImage call. This ensures the destination
+    // texture exists before we try to clear it.
+    Extents size(sourceArea.width, sourceArea.height, 1);
+    if (forceCopySubImage || doesSubImageNeedInit(context, index, destBox))
+    {
+        ANGLE_TRY(mTexture->setImage(context, index, internalFormat, size,
+                                     internalFormatInfo.format, internalFormatInfo.type,
+                                     PixelUnpackState(), nullptr, nullptr));
+        mState.setImageDesc(target, level, ImageDesc(size, Format(internalFormatInfo), initState));
+        ANGLE_TRY(ensureSubImageInitialized(context, index, destBox));
+        ANGLE_TRY(mTexture->copySubImage(context, index, Offset(), sourceArea, source));
+    }
+    else
+    {
+        ANGLE_TRY(mTexture->copyImage(context, index, sourceArea, internalFormat, source));
+    }
+
+    mState.setImageDesc(target, level,
+                        ImageDesc(size, Format(internalFormatInfo), InitState::Initialized));
+
+    ANGLE_TRY(handleMipmapGenerationHint(context, level));
+
+    // Because this could affect the texture storage we might need to init other layers/levels.
+    signalDirtyStorage(initState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::copySubImage(Context *context,
+                                    const ImageIndex &index,
+                                    const Offset &destOffset,
+                                    const Rectangle &sourceArea,
+                                    Framebuffer *source)
+{
+    ASSERT(TextureTargetToType(index.getTarget()) == mState.mType);
+
+    // Most if not all renderers clip these copies to the size of the source framebuffer, leaving
+    // other pixels untouched. For safety in robust resource initialization, assume that that
+    // clipping is going to occur when computing the region for which to ensure initialization. If
+    // the copy lies entirely off the source framebuffer, initialize as though a zero-size box is
+    // going to be set during the copy operation. Note that this assumes that
+    // ensureSubImageInitialized ensures initialization of the entire destination texture, and not
+    // just a sub-region.
+    Box destBox;
+    if (context->isRobustResourceInitEnabled())
+    {
+        Extents fbSize = source->getReadColorAttachment()->getSize();
+        Rectangle clippedArea;
+        if (ClipRectangle(sourceArea, Rectangle(0, 0, fbSize.width, fbSize.height), &clippedArea))
+        {
+            const Offset clippedOffset(destOffset.x + clippedArea.x - sourceArea.x,
+                                       destOffset.y + clippedArea.y - sourceArea.y, 0);
+            destBox = Box(clippedOffset.x, clippedOffset.y, clippedOffset.z, clippedArea.width,
+                          clippedArea.height, 1);
+        }
+    }
+
+    ANGLE_TRY(ensureSubImageInitialized(context, index, destBox));
+
+    ANGLE_TRY(mTexture->copySubImage(context, index, destOffset, sourceArea, source));
+    ANGLE_TRY(handleMipmapGenerationHint(context, index.getLevelIndex()));
+
+    onStateChange(angle::SubjectMessage::ContentsChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::copyRenderbufferSubData(Context *context,
+                                               const gl::Renderbuffer *srcBuffer,
+                                               GLint srcLevel,
+                                               GLint srcX,
+                                               GLint srcY,
+                                               GLint srcZ,
+                                               GLint dstLevel,
+                                               GLint dstX,
+                                               GLint dstY,
+                                               GLint dstZ,
+                                               GLsizei srcWidth,
+                                               GLsizei srcHeight,
+                                               GLsizei srcDepth)
+{
+    ANGLE_TRY(mTexture->copyRenderbufferSubData(context, srcBuffer, srcLevel, srcX, srcY, srcZ,
+                                                dstLevel, dstX, dstY, dstZ, srcWidth, srcHeight,
+                                                srcDepth));
+
+    signalDirtyStorage(InitState::Initialized);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::copyTextureSubData(Context *context,
+                                          const gl::Texture *srcTexture,
+                                          GLint srcLevel,
+                                          GLint srcX,
+                                          GLint srcY,
+                                          GLint srcZ,
+                                          GLint dstLevel,
+                                          GLint dstX,
+                                          GLint dstY,
+                                          GLint dstZ,
+                                          GLsizei srcWidth,
+                                          GLsizei srcHeight,
+                                          GLsizei srcDepth)
+{
+    ANGLE_TRY(mTexture->copyTextureSubData(context, srcTexture, srcLevel, srcX, srcY, srcZ,
+                                           dstLevel, dstX, dstY, dstZ, srcWidth, srcHeight,
+                                           srcDepth));
+
+    signalDirtyStorage(InitState::Initialized);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::copyTexture(Context *context,
+                                   TextureTarget target,
+                                   GLint level,
+                                   GLenum internalFormat,
+                                   GLenum type,
+                                   GLint sourceLevel,
+                                   bool unpackFlipY,
+                                   bool unpackPremultiplyAlpha,
+                                   bool unpackUnmultiplyAlpha,
+                                   Texture *source)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+    ASSERT(source->getType() != TextureType::CubeMap);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    // Initialize source texture.
+    // Note: we don't have a way to notify which portions of the image changed currently.
+    ANGLE_TRY(source->ensureInitialized(context));
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, ImageIndex::kEntireLevel);
+
+    ANGLE_TRY(mTexture->copyTexture(context, index, internalFormat, type, sourceLevel, unpackFlipY,
+                                    unpackPremultiplyAlpha, unpackUnmultiplyAlpha, source));
+
+    const auto &sourceDesc =
+        source->mState.getImageDesc(NonCubeTextureTypeToTarget(source->getType()), sourceLevel);
+    const InternalFormat &internalFormatInfo = GetInternalFormatInfo(internalFormat, type);
+    mState.setImageDesc(
+        target, level,
+        ImageDesc(sourceDesc.size, Format(internalFormatInfo), InitState::Initialized));
+
+    signalDirtyStorage(InitState::Initialized);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::copySubTexture(const Context *context,
+                                      TextureTarget target,
+                                      GLint level,
+                                      const Offset &destOffset,
+                                      GLint sourceLevel,
+                                      const Box &sourceBox,
+                                      bool unpackFlipY,
+                                      bool unpackPremultiplyAlpha,
+                                      bool unpackUnmultiplyAlpha,
+                                      Texture *source)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+
+    // Ensure source is initialized.
+    ANGLE_TRY(source->ensureInitialized(context));
+
+    Box destBox(destOffset.x, destOffset.y, destOffset.z, sourceBox.width, sourceBox.height,
+                sourceBox.depth);
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, sourceBox.depth);
+    ANGLE_TRY(ensureSubImageInitialized(context, index, destBox));
+
+    ANGLE_TRY(mTexture->copySubTexture(context, index, destOffset, sourceLevel, sourceBox,
+                                       unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha,
+                                       source));
+
+    onStateChange(angle::SubjectMessage::ContentsChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::copyCompressedTexture(Context *context, const Texture *source)
+{
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ANGLE_TRY(mTexture->copyCompressedTexture(context, source));
+
+    ASSERT(source->getType() != TextureType::CubeMap && getType() != TextureType::CubeMap);
+    const auto &sourceDesc =
+        source->mState.getImageDesc(NonCubeTextureTypeToTarget(source->getType()), 0);
+    mState.setImageDesc(NonCubeTextureTypeToTarget(getType()), 0, sourceDesc);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setStorage(Context *context,
+                                  TextureType type,
+                                  GLsizei levels,
+                                  GLenum internalFormat,
+                                  const Extents &size)
+{
+    ASSERT(type == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    mState.mImmutableFormat = true;
+    mState.mImmutableLevels = static_cast<GLuint>(levels);
+    mState.clearImageDescs();
+    InitState initState = DetermineInitState(context, nullptr, nullptr);
+    mState.setImageDescChain(0, static_cast<GLuint>(levels - 1), size, Format(internalFormat),
+                             initState);
+
+    ANGLE_TRY(mTexture->setStorage(context, type, levels, internalFormat, size));
+
+    // Changing the texture to immutable can trigger a change in the base and max levels:
+    // GLES 3.0.4 section 3.8.10 pg 158:
+    // "For immutable-format textures, levelbase is clamped to the range[0;levels],levelmax is then
+    // clamped to the range[levelbase;levels].
+    mDirtyBits.set(DIRTY_BIT_BASE_LEVEL);
+    mDirtyBits.set(DIRTY_BIT_MAX_LEVEL);
+
+    signalDirtyStorage(initState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setImageExternal(Context *context,
+                                        TextureTarget target,
+                                        GLint level,
+                                        GLenum internalFormat,
+                                        const Extents &size,
+                                        GLenum format,
+                                        GLenum type)
+{
+    ASSERT(TextureTargetToType(target) == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ImageIndex index = ImageIndex::MakeFromTarget(target, level, size.depth);
+
+    ANGLE_TRY(mTexture->setImageExternal(context, index, internalFormat, size, format, type));
+
+    InitState initState = InitState::Initialized;
+    mState.setImageDesc(target, level, ImageDesc(size, Format(internalFormat, type), initState));
+
+    ANGLE_TRY(handleMipmapGenerationHint(context, level));
+
+    signalDirtyStorage(initState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setStorageMultisample(Context *context,
+                                             TextureType type,
+                                             GLsizei samplesIn,
+                                             GLint internalFormat,
+                                             const Extents &size,
+                                             bool fixedSampleLocations)
+{
+    ASSERT(type == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    // Potentially adjust "samples" to a supported value
+    const TextureCaps &formatCaps = context->getTextureCaps().get(internalFormat);
+    GLsizei samples               = formatCaps.getNearestSamples(samplesIn);
+
+    mState.mImmutableFormat = true;
+    mState.mImmutableLevels = static_cast<GLuint>(1);
+    mState.clearImageDescs();
+    InitState initState = DetermineInitState(context, nullptr, nullptr);
+    mState.setImageDescChainMultisample(size, Format(internalFormat), samples, fixedSampleLocations,
+                                        initState);
+
+    ANGLE_TRY(mTexture->setStorageMultisample(context, type, samples, internalFormat, size,
+                                              fixedSampleLocations));
+    signalDirtyStorage(initState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setStorageExternalMemory(Context *context,
+                                                TextureType type,
+                                                GLsizei levels,
+                                                GLenum internalFormat,
+                                                const Extents &size,
+                                                MemoryObject *memoryObject,
+                                                GLuint64 offset,
+                                                GLbitfield createFlags,
+                                                GLbitfield usageFlags,
+                                                const void *imageCreateInfoPNext)
+{
+    ASSERT(type == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    ANGLE_TRY(mTexture->setStorageExternalMemory(context, type, levels, internalFormat, size,
+                                                 memoryObject, offset, createFlags, usageFlags,
+                                                 imageCreateInfoPNext));
+
+    mState.mImmutableFormat = true;
+    mState.mImmutableLevels = static_cast<GLuint>(levels);
+    mState.clearImageDescs();
+    mState.setImageDescChain(0, static_cast<GLuint>(levels - 1), size, Format(internalFormat),
+                             InitState::Initialized);
+
+    // Changing the texture to immutable can trigger a change in the base and max levels:
+    // GLES 3.0.4 section 3.8.10 pg 158:
+    // "For immutable-format textures, levelbase is clamped to the range[0;levels],levelmax is then
+    // clamped to the range[levelbase;levels].
+    mDirtyBits.set(DIRTY_BIT_BASE_LEVEL);
+    mDirtyBits.set(DIRTY_BIT_MAX_LEVEL);
+
+    signalDirtyStorage(InitState::Initialized);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::generateMipmap(Context *context)
+{
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    // EGL_KHR_gl_image states that images are only orphaned when generating mipmaps if the texture
+    // is not mip complete.
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    if (!isMipmapComplete())
+    {
+        ANGLE_TRY(orphanImages(context, &releaseImage));
+    }
+
+    const GLuint baseLevel = mState.getEffectiveBaseLevel();
+    const GLuint maxLevel  = mState.getMipmapMaxLevel();
+
+    if (maxLevel <= baseLevel)
+    {
+        return angle::Result::Continue;
+    }
+
+    // If any dimension is zero, this is a no-op:
+    //
+    // > Otherwise, if level_base is not defined, or if any dimension is zero, all mipmap levels are
+    // > left unchanged. This is not an error.
+    const ImageDesc &baseImageInfo = mState.getImageDesc(mState.getBaseImageTarget(), baseLevel);
+    if (baseImageInfo.size.empty())
+    {
+        return angle::Result::Continue;
+    }
+
+    // Clear the base image(s) immediately if needed
+    if (context->isRobustResourceInitEnabled())
+    {
+        ImageIndexIterator it =
+            ImageIndexIterator::MakeGeneric(mState.mType, baseLevel, baseLevel + 1,
+                                            ImageIndex::kEntireLevel, ImageIndex::kEntireLevel);
+        while (it.hasNext())
+        {
+            const ImageIndex index = it.next();
+            const ImageDesc &desc  = mState.getImageDesc(index.getTarget(), index.getLevelIndex());
+
+            if (desc.initState == InitState::MayNeedInit)
+            {
+                ANGLE_TRY(initializeContents(context, GL_NONE, index));
+            }
+        }
+    }
+
+    ANGLE_TRY(syncState(context, Command::GenerateMipmap));
+    ANGLE_TRY(mTexture->generateMipmap(context));
+
+    // Propagate the format and size of the base mip to the smaller ones. Cube maps are guaranteed
+    // to have faces of the same size and format so any faces can be picked.
+    mState.setImageDescChain(baseLevel, maxLevel, baseImageInfo.size, baseImageInfo.format,
+                             InitState::Initialized);
+
+    signalDirtyStorage(InitState::Initialized);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::bindTexImageFromSurface(Context *context, egl::Surface *surface)
+{
+    ASSERT(surface);
+
+    if (mBoundSurface)
+    {
+        ANGLE_TRY(releaseTexImageFromSurface(context));
+    }
+
+    mBoundSurface = surface;
+
+    // Set the image info to the size and format of the surface
+    ASSERT(mState.mType == TextureType::_2D || mState.mType == TextureType::Rectangle);
+    Extents size(surface->getWidth(), surface->getHeight(), 1);
+    ImageDesc desc(size, surface->getBindTexImageFormat(), InitState::Initialized);
+    mState.setImageDesc(NonCubeTextureTypeToTarget(mState.mType), 0, desc);
+    mState.mHasProtectedContent = surface->hasProtectedContent();
+
+    ANGLE_TRY(mTexture->bindTexImage(context, surface));
+
+    signalDirtyStorage(InitState::Initialized);
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::releaseTexImageFromSurface(const Context *context)
+{
+    ASSERT(mBoundSurface);
+    mBoundSurface = nullptr;
+    ANGLE_TRY(mTexture->releaseTexImage(context));
+
+    // Erase the image info for level 0
+    ASSERT(mState.mType == TextureType::_2D || mState.mType == TextureType::Rectangle);
+    mState.clearImageDesc(NonCubeTextureTypeToTarget(mState.mType), 0);
+    mState.mHasProtectedContent = false;
+    signalDirtyStorage(InitState::Initialized);
+    return angle::Result::Continue;
+}
+
+void Texture::bindStream(egl::Stream *stream)
+{
+    ASSERT(stream);
+
+    // It should not be possible to bind a texture already bound to another stream
+    ASSERT(mBoundStream == nullptr);
+
+    mBoundStream = stream;
+
+    ASSERT(mState.mType == TextureType::External);
+}
+
+void Texture::releaseStream()
+{
+    ASSERT(mBoundStream);
+    mBoundStream = nullptr;
+}
+
+angle::Result Texture::acquireImageFromStream(const Context *context,
+                                              const egl::Stream::GLTextureDescription &desc)
+{
+    ASSERT(mBoundStream != nullptr);
+    ANGLE_TRY(mTexture->setImageExternal(context, mState.mType, mBoundStream, desc));
+
+    Extents size(desc.width, desc.height, 1);
+    mState.setImageDesc(NonCubeTextureTypeToTarget(mState.mType), 0,
+                        ImageDesc(size, Format(desc.internalFormat), InitState::Initialized));
+    signalDirtyStorage(InitState::Initialized);
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::releaseImageFromStream(const Context *context)
+{
+    ASSERT(mBoundStream != nullptr);
+    ANGLE_TRY(mTexture->setImageExternal(context, mState.mType, nullptr,
+                                         egl::Stream::GLTextureDescription()));
+
+    // Set to incomplete
+    mState.clearImageDesc(NonCubeTextureTypeToTarget(mState.mType), 0);
+    signalDirtyStorage(InitState::Initialized);
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::releaseTexImageInternal(Context *context)
+{
+    if (mBoundSurface)
+    {
+        // Notify the surface
+        egl::Error eglErr = mBoundSurface->releaseTexImageFromTexture(context);
+        // TODO(jmadill): Remove this once refactor is complete. http://anglebug.com/3041
+        if (eglErr.isError())
+        {
+            context->handleError(GL_INVALID_OPERATION, "Error releasing tex image from texture",
+                                 __FILE__, ANGLE_FUNCTION, __LINE__);
+        }
+
+        // Then, call the same method as from the surface
+        ANGLE_TRY(releaseTexImageFromSurface(context));
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setEGLImageTargetImpl(Context *context,
+                                             TextureType type,
+                                             GLuint levels,
+                                             egl::Image *imageTarget)
+{
+    ASSERT(type == mState.mType);
+
+    // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
+    ANGLE_TRY(releaseTexImageInternal(context));
+
+    egl::RefCountObjectReleaser<egl::Image> releaseImage;
+    ANGLE_TRY(orphanImages(context, &releaseImage));
+
+    setTargetImage(context, imageTarget);
+
+    auto initState = imageTarget->sourceInitState();
+
+    mState.clearImageDescs();
+    mState.setImageDescChain(0, levels - 1, imageTarget->getExtents(), imageTarget->getFormat(),
+                             initState);
+    mState.mHasProtectedContent = imageTarget->hasProtectedContent();
+
+    ANGLE_TRY(mTexture->setEGLImageTarget(context, type, imageTarget));
+
+    signalDirtyStorage(initState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::setEGLImageTarget(Context *context,
+                                         TextureType type,
+                                         egl::Image *imageTarget)
+{
+    ASSERT(type == TextureType::_2D || type == TextureType::External ||
+           type == TextureType::_2DArray);
+
+    return setEGLImageTargetImpl(context, type, 1u, imageTarget);
+}
+
+angle::Result Texture::setStorageEGLImageTarget(Context *context,
+                                                TextureType type,
+                                                egl::Image *imageTarget,
+                                                const GLint *attrib_list)
+{
+    ASSERT(type == TextureType::External || type == TextureType::_3D || type == TextureType::_2D ||
+           type == TextureType::_2DArray || type == TextureType::CubeMap ||
+           type == TextureType::CubeMapArray);
+
+    ANGLE_TRY(setEGLImageTargetImpl(context, type, imageTarget->getLevelCount(), imageTarget));
+
+    mState.mImmutableLevels = imageTarget->getLevelCount();
+    mState.mImmutableFormat = true;
+
+    // Changing the texture to immutable can trigger a change in the base and max levels:
+    // GLES 3.0.4 section 3.8.10 pg 158:
+    // "For immutable-format textures, levelbase is clamped to the range[0;levels],levelmax is then
+    // clamped to the range[levelbase;levels].
+    mDirtyBits.set(DIRTY_BIT_BASE_LEVEL);
+    mDirtyBits.set(DIRTY_BIT_MAX_LEVEL);
+
+    return angle::Result::Continue;
+}
+
+Extents Texture::getAttachmentSize(const ImageIndex &imageIndex) const
+{
+    // As an ImageIndex that represents an entire level of a cube map corresponds to 6 ImageDescs,
+    // we only allow querying ImageDesc on a complete cube map, and this ImageDesc is exactly the
+    // one that belongs to the first face of the cube map.
+    if (imageIndex.isEntireLevelCubeMap())
+    {
+        // A cube map texture is cube complete if the following conditions all hold true:
+        // - The levelbase arrays of each of the six texture images making up the cube map have
+        //   identical, positive, and square dimensions.
+        if (!mState.isCubeComplete())
+        {
+            return Extents();
+        }
+    }
+
+    return mState.getImageDesc(imageIndex).size;
+}
+
+Format Texture::getAttachmentFormat(GLenum /*binding*/, const ImageIndex &imageIndex) const
+{
+    // As an ImageIndex that represents an entire level of a cube map corresponds to 6 ImageDescs,
+    // we only allow querying ImageDesc on a complete cube map, and this ImageDesc is exactly the
+    // one that belongs to the first face of the cube map.
+    if (imageIndex.isEntireLevelCubeMap())
+    {
+        // A cube map texture is cube complete if the following conditions all hold true:
+        // - The levelbase arrays were each specified with the same effective internal format.
+        if (!mState.isCubeComplete())
+        {
+            return Format::Invalid();
+        }
+    }
+    return mState.getImageDesc(imageIndex).format;
+}
+
+GLsizei Texture::getAttachmentSamples(const ImageIndex &imageIndex) const
+{
+    // We do not allow querying TextureTarget by an ImageIndex that represents an entire level of a
+    // cube map (See comments in function TextureTypeToTarget() in ImageIndex.cpp).
+    if (imageIndex.isEntireLevelCubeMap())
+    {
+        return 0;
+    }
+
+    return getSamples(imageIndex.getTarget(), imageIndex.getLevelIndex());
+}
+
+bool Texture::isRenderable(const Context *context,
+                           GLenum binding,
+                           const ImageIndex &imageIndex) const
+{
+    if (isEGLImageTarget())
+    {
+        return ImageSibling::isRenderable(context, binding, imageIndex);
+    }
+
+    // Surfaces bound to textures are always renderable. This avoids issues with surfaces with ES3+
+    // formats not being renderable when bound to textures in ES2 contexts.
+    if (mBoundSurface)
+    {
+        return true;
+    }
+
+    return getAttachmentFormat(binding, imageIndex)
+        .info->textureAttachmentSupport(context->getClientVersion(), context->getExtensions());
+}
+
+bool Texture::getAttachmentFixedSampleLocations(const ImageIndex &imageIndex) const
+{
+    // We do not allow querying TextureTarget by an ImageIndex that represents an entire level of a
+    // cube map (See comments in function TextureTypeToTarget() in ImageIndex.cpp).
+    if (imageIndex.isEntireLevelCubeMap())
+    {
+        return true;
+    }
+
+    // ES3.1 (section 9.4) requires that the value of TEXTURE_FIXED_SAMPLE_LOCATIONS should be
+    // the same for all attached textures.
+    return getFixedSampleLocations(imageIndex.getTarget(), imageIndex.getLevelIndex());
+}
+
+void Texture::setBorderColor(const Context *context, const ColorGeneric &color)
+{
+    mState.mSamplerState.setBorderColor(color);
+    signalDirtyState(DIRTY_BIT_BORDER_COLOR);
+}
+
+const ColorGeneric &Texture::getBorderColor() const
+{
+    return mState.mSamplerState.getBorderColor();
+}
+
+GLint Texture::getRequiredTextureImageUnits(const Context *context) const
+{
+    // Only external texture types can return non-1.
+    if (mState.mType != TextureType::External)
+    {
+        return 1;
+    }
+
+    return mTexture->getRequiredExternalTextureImageUnits(context);
+}
+
+void Texture::setCrop(const Rectangle &rect)
+{
+    mState.setCrop(rect);
+}
+
+const Rectangle &Texture::getCrop() const
+{
+    return mState.getCrop();
+}
+
+void Texture::setGenerateMipmapHint(GLenum hint)
+{
+    mState.setGenerateMipmapHint(hint);
+}
+
+GLenum Texture::getGenerateMipmapHint() const
+{
+    return mState.getGenerateMipmapHint();
+}
+
+angle::Result Texture::setBuffer(const gl::Context *context,
+                                 gl::Buffer *buffer,
+                                 GLenum internalFormat)
+{
+    // Use 0 to indicate that the size is taken from whatever size the buffer has when the texture
+    // buffer is used.
+    return setBufferRange(context, buffer, internalFormat, 0, 0);
+}
+
+angle::Result Texture::setBufferRange(const gl::Context *context,
+                                      gl::Buffer *buffer,
+                                      GLenum internalFormat,
+                                      GLintptr offset,
+                                      GLsizeiptr size)
+{
+    mState.mImmutableFormat = true;
+    mState.mBuffer.set(context, buffer, offset, size);
+    ANGLE_TRY(mTexture->setBuffer(context, internalFormat));
+
+    mState.clearImageDescs();
+    if (buffer == nullptr)
+    {
+        mBufferObserver.reset();
+        InitState initState = DetermineInitState(context, nullptr, nullptr);
+        signalDirtyStorage(initState);
+        return angle::Result::Continue;
+    }
+
+    size = GetBoundBufferAvailableSize(mState.mBuffer);
+
+    mState.mImmutableLevels           = static_cast<GLuint>(1);
+    InternalFormat internalFormatInfo = GetSizedInternalFormatInfo(internalFormat);
+    Format format(internalFormat);
+    Extents extents(static_cast<GLuint>(size / internalFormatInfo.pixelBytes), 1, 1);
+    InitState initState = buffer->initState();
+    mState.setImageDesc(TextureTarget::Buffer, 0, ImageDesc(extents, format, initState));
+
+    signalDirtyStorage(initState);
+
+    // Observe modifications to the buffer, so that extents can be updated.
+    mBufferObserver.bind(buffer);
+
+    return angle::Result::Continue;
+}
+
+const OffsetBindingPointer<Buffer> &Texture::getBuffer() const
+{
+    return mState.mBuffer;
+}
+
+void Texture::onAttach(const Context *context, rx::Serial framebufferSerial)
+{
+    addRef();
+
+    // Duplicates allowed for multiple attachment points. See the comment in the header.
+    mBoundFramebufferSerials.push_back(framebufferSerial);
+
+    if (!mState.mHasBeenBoundAsAttachment)
+    {
+        mDirtyBits.set(DIRTY_BIT_BOUND_AS_ATTACHMENT);
+        mState.mHasBeenBoundAsAttachment = true;
+    }
+}
+
+void Texture::onDetach(const Context *context, rx::Serial framebufferSerial)
+{
+    // Erase first instance. If there are multiple bindings, leave the others.
+    ASSERT(isBoundToFramebuffer(framebufferSerial));
+    mBoundFramebufferSerials.remove_and_permute(framebufferSerial);
+
+    release(context);
+}
+
+GLuint Texture::getId() const
+{
+    return id().value;
+}
+
+GLuint Texture::getNativeID() const
+{
+    return mTexture->getNativeID();
+}
+
+angle::Result Texture::syncState(const Context *context, Command source)
+{
+    ASSERT(hasAnyDirtyBit() || source == Command::GenerateMipmap);
+    ANGLE_TRY(mTexture->syncState(context, mDirtyBits, source));
+    mDirtyBits.reset();
+    mState.mInitState = InitState::Initialized;
+    return angle::Result::Continue;
+}
+
+rx::FramebufferAttachmentObjectImpl *Texture::getAttachmentImpl() const
+{
+    return mTexture;
+}
+
+bool Texture::isSamplerComplete(const Context *context, const Sampler *optionalSampler)
+{
+    const auto &samplerState =
+        optionalSampler ? optionalSampler->getSamplerState() : mState.mSamplerState;
+    const auto &contextState = context->getState();
+
+    if (contextState.getContextID() != mCompletenessCache.context ||
+        !mCompletenessCache.samplerState.sameCompleteness(samplerState))
+    {
+        mCompletenessCache.context      = context->getState().getContextID();
+        mCompletenessCache.samplerState = samplerState;
+        mCompletenessCache.samplerComplete =
+            mState.computeSamplerCompleteness(samplerState, contextState);
+    }
+
+    return mCompletenessCache.samplerComplete;
+}
+
+// CopyImageSubData requires that we ignore format-based completeness rules
+bool Texture::isSamplerCompleteForCopyImage(const Context *context,
+                                            const Sampler *optionalSampler) const
+{
+    const gl::SamplerState &samplerState =
+        optionalSampler ? optionalSampler->getSamplerState() : mState.mSamplerState;
+    const gl::State &contextState = context->getState();
+    return mState.computeSamplerCompletenessForCopyImage(samplerState, contextState);
+}
+
+Texture::SamplerCompletenessCache::SamplerCompletenessCache()
+    : context({0}), samplerState(), samplerComplete(false)
+{}
+
+void Texture::invalidateCompletenessCache() const
+{
+    mCompletenessCache.context = {0};
+}
+
+angle::Result Texture::ensureInitialized(const Context *context)
+{
+    if (!context->isRobustResourceInitEnabled() || mState.mInitState == InitState::Initialized)
+    {
+        return angle::Result::Continue;
+    }
+
+    bool anyDirty = false;
+
+    ImageIndexIterator it =
+        ImageIndexIterator::MakeGeneric(mState.mType, 0, IMPLEMENTATION_MAX_TEXTURE_LEVELS + 1,
+                                        ImageIndex::kEntireLevel, ImageIndex::kEntireLevel);
+    while (it.hasNext())
+    {
+        const ImageIndex index = it.next();
+        ImageDesc &desc =
+            mState.mImageDescs[GetImageDescIndex(index.getTarget(), index.getLevelIndex())];
+        if (desc.initState == InitState::MayNeedInit && !desc.size.empty())
+        {
+            ASSERT(mState.mInitState == InitState::MayNeedInit);
+            ANGLE_TRY(initializeContents(context, GL_NONE, index));
+            desc.initState = InitState::Initialized;
+            anyDirty       = true;
+        }
+    }
+    if (anyDirty)
+    {
+        signalDirtyStorage(InitState::Initialized);
+    }
+    mState.mInitState = InitState::Initialized;
+
+    return angle::Result::Continue;
+}
+
+InitState Texture::initState(GLenum /*binding*/, const ImageIndex &imageIndex) const
+{
+    // As an ImageIndex that represents an entire level of a cube map corresponds to 6 ImageDescs,
+    // we need to check all the related ImageDescs.
+    if (imageIndex.isEntireLevelCubeMap())
+    {
+        const GLint levelIndex = imageIndex.getLevelIndex();
+        for (TextureTarget cubeFaceTarget : AllCubeFaceTextureTargets())
+        {
+            if (mState.getImageDesc(cubeFaceTarget, levelIndex).initState == InitState::MayNeedInit)
+            {
+                return InitState::MayNeedInit;
+            }
+        }
+        return InitState::Initialized;
+    }
+
+    return mState.getImageDesc(imageIndex).initState;
+}
+
+void Texture::setInitState(GLenum binding, const ImageIndex &imageIndex, InitState initState)
+{
+    // As an ImageIndex that represents an entire level of a cube map corresponds to 6 ImageDescs,
+    // we need to update all the related ImageDescs.
+    if (imageIndex.isEntireLevelCubeMap())
+    {
+        const GLint levelIndex = imageIndex.getLevelIndex();
+        for (TextureTarget cubeFaceTarget : AllCubeFaceTextureTargets())
+        {
+            setInitState(binding, ImageIndex::MakeCubeMapFace(cubeFaceTarget, levelIndex),
+                         initState);
+        }
+    }
+    else
+    {
+        ImageDesc newDesc = mState.getImageDesc(imageIndex);
+        newDesc.initState = initState;
+        mState.setImageDesc(imageIndex.getTarget(), imageIndex.getLevelIndex(), newDesc);
+    }
+}
+
+void Texture::setInitState(InitState initState)
+{
+    for (ImageDesc &imageDesc : mState.mImageDescs)
+    {
+        // Only modify defined images, undefined images will remain in the initialized state
+        if (!imageDesc.size.empty())
+        {
+            imageDesc.initState = initState;
+        }
+    }
+    mState.mInitState = initState;
+}
+
+bool Texture::doesSubImageNeedInit(const Context *context,
+                                   const ImageIndex &imageIndex,
+                                   const Box &area) const
+{
+    if (!context->isRobustResourceInitEnabled() || mState.mInitState == InitState::Initialized)
+    {
+        return false;
+    }
+
+    // Pre-initialize the texture contents if necessary.
+    const ImageDesc &desc = mState.getImageDesc(imageIndex);
+    if (desc.initState != InitState::MayNeedInit)
+    {
+        return false;
+    }
+
+    ASSERT(mState.mInitState == InitState::MayNeedInit);
+    return !area.coversSameExtent(desc.size);
+}
+
+angle::Result Texture::ensureSubImageInitialized(const Context *context,
+                                                 const ImageIndex &imageIndex,
+                                                 const Box &area)
+{
+    if (doesSubImageNeedInit(context, imageIndex, area))
+    {
+        // NOTE: do not optimize this to only initialize the passed area of the texture, or the
+        // initialization logic in copySubImage will be incorrect.
+        ANGLE_TRY(initializeContents(context, GL_NONE, imageIndex));
+    }
+    // Note: binding is ignored for textures.
+    setInitState(GL_NONE, imageIndex, InitState::Initialized);
+    return angle::Result::Continue;
+}
+
+angle::Result Texture::handleMipmapGenerationHint(Context *context, int level)
+{
+    if (getGenerateMipmapHint() == GL_TRUE && level == 0)
+    {
+        ANGLE_TRY(generateMipmap(context));
+    }
+
+    return angle::Result::Continue;
+}
+
+void Texture::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    switch (message)
+    {
+        case angle::SubjectMessage::ContentsChanged:
+            if (index != kBufferSubjectIndex)
+            {
+                // ContentsChange originates from TextureStorage11::resolveAndReleaseTexture
+                // which resolves the underlying multisampled texture if it exists and so
+                // Texture will signal dirty storage to invalidate its own cache and the
+                // attached framebuffer's cache.
+                signalDirtyStorage(InitState::Initialized);
+            }
+            break;
+        case angle::SubjectMessage::DirtyBitsFlagged:
+            signalDirtyState(DIRTY_BIT_IMPLEMENTATION);
+
+            // Notify siblings that we are dirty.
+            if (index == rx::kTextureImageImplObserverMessageIndex)
+            {
+                notifySiblings(message);
+            }
+            break;
+        case angle::SubjectMessage::SubjectChanged:
+            mState.mInitState = InitState::MayNeedInit;
+            signalDirtyState(DIRTY_BIT_IMPLEMENTATION);
+            onStateChange(angle::SubjectMessage::ContentsChanged);
+
+            // Notify siblings that we are dirty.
+            if (index == rx::kTextureImageImplObserverMessageIndex)
+            {
+                notifySiblings(message);
+            }
+            else if (index == kBufferSubjectIndex)
+            {
+                const gl::Buffer *buffer = mState.mBuffer.get();
+                ASSERT(buffer != nullptr);
+
+                // Update cached image desc based on buffer size.
+                GLsizeiptr size = GetBoundBufferAvailableSize(mState.mBuffer);
+
+                ImageDesc desc          = mState.getImageDesc(TextureTarget::Buffer, 0);
+                const GLuint pixelBytes = desc.format.info->pixelBytes;
+                desc.size.width         = static_cast<GLuint>(size / pixelBytes);
+
+                mState.setImageDesc(TextureTarget::Buffer, 0, desc);
+            }
+            break;
+        case angle::SubjectMessage::StorageReleased:
+            // When the TextureStorage is released, it needs to update the
+            // RenderTargetCache of the Framebuffer attaching this Texture.
+            // This is currently only for D3D back-end. See http://crbug.com/1234829
+            if (index == rx::kTextureImageImplObserverMessageIndex)
+            {
+                onStateChange(angle::SubjectMessage::StorageReleased);
+            }
+            break;
+        case angle::SubjectMessage::SubjectMapped:
+        case angle::SubjectMessage::SubjectUnmapped:
+        case angle::SubjectMessage::BindingChanged:
+            ASSERT(index == kBufferSubjectIndex);
+            break;
+        case angle::SubjectMessage::InitializationComplete:
+            ASSERT(index == rx::kTextureImageImplObserverMessageIndex);
+            setInitState(InitState::Initialized);
+            break;
+        case angle::SubjectMessage::InternalMemoryAllocationChanged:
+            // Need to mark the texture dirty to give the back end a chance to handle the new
+            // buffer. For example, the Vulkan back end needs to create a new buffer view that
+            // points to the newly allocated buffer and update the texture descriptor set.
+            signalDirtyState(DIRTY_BIT_IMPLEMENTATION);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+GLenum Texture::getImplementationColorReadFormat(const Context *context) const
+{
+    return mTexture->getColorReadFormat(context);
+}
+
+GLenum Texture::getImplementationColorReadType(const Context *context) const
+{
+    return mTexture->getColorReadType(context);
+}
+
+bool Texture::isCompressedFormatEmulated(const Context *context,
+                                         TextureTarget target,
+                                         GLint level) const
+{
+    if (!getFormat(target, level).info->compressed)
+    {
+        // If it isn't compressed, the remaining logic won't work
+        return false;
+    }
+
+    GLenum implFormat = getImplementationColorReadFormat(context);
+
+    // Check against the list of formats used to emulate compressed textures
+    return IsEmulatedCompressedFormat(implFormat);
+}
+
+angle::Result Texture::getTexImage(const Context *context,
+                                   const PixelPackState &packState,
+                                   Buffer *packBuffer,
+                                   TextureTarget target,
+                                   GLint level,
+                                   GLenum format,
+                                   GLenum type,
+                                   void *pixels)
+{
+    // No-op if the image level is empty.
+    if (getExtents(target, level).empty())
+    {
+        return angle::Result::Continue;
+    }
+
+    return mTexture->getTexImage(context, packState, packBuffer, target, level, format, type,
+                                 pixels);
+}
+
+angle::Result Texture::getCompressedTexImage(const Context *context,
+                                             const PixelPackState &packState,
+                                             Buffer *packBuffer,
+                                             TextureTarget target,
+                                             GLint level,
+                                             void *pixels)
+{
+    // No-op if the image level is empty.
+    if (getExtents(target, level).empty())
+    {
+        return angle::Result::Continue;
+    }
+
+    return mTexture->getCompressedTexImage(context, packState, packBuffer, target, level, pixels);
+}
+
+void Texture::onBindAsImageTexture()
+{
+    if (!mState.mHasBeenBoundAsImage)
+    {
+        mDirtyBits.set(DIRTY_BIT_BOUND_AS_IMAGE);
+        mState.mHasBeenBoundAsImage = true;
+    }
+}
+
+void Texture::onBind3DTextureAs2DImage()
+{
+    if (!mState.mIs3DAndHasBeenBoundAs2DImage)
+    {
+        mDirtyBits.set(DIRTY_BIT_BOUND_AS_IMAGE);
+        mState.mIs3DAndHasBeenBoundAs2DImage = true;
+    }
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Texture.h b/gfx/angle/checkout/src/libANGLE/Texture.h
new file mode 100644
index 0000000000..757f1a2e7e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Texture.h
@@ -0,0 +1,738 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Texture.h: Defines the gl::Texture class [OpenGL ES 2.0.24] section 3.7 page 63.
+
+#ifndef LIBANGLE_TEXTURE_H_
+#define LIBANGLE_TEXTURE_H_
+
+#include <map>
+#include <vector>
+
+#include "angle_gl.h"
+#include "common/Optional.h"
+#include "common/debug.h"
+#include "common/utilities.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/Stream.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+
+namespace egl
+{
+class Surface;
+class Stream;
+}  // namespace egl
+
+namespace rx
+{
+class GLImplFactory;
+class TextureImpl;
+class TextureGL;
+}  // namespace rx
+
+namespace gl
+{
+class Framebuffer;
+class MemoryObject;
+class Sampler;
+class State;
+class Texture;
+
+constexpr GLuint kInitialMaxLevel = 1000;
+
+bool IsMipmapFiltered(GLenum minFilterMode);
+
+// Convert a given filter mode to nearest filtering.
+GLenum ConvertToNearestFilterMode(GLenum filterMode);
+
+// Convert a given filter mode to nearest mip filtering.
+GLenum ConvertToNearestMipFilterMode(GLenum filterMode);
+
+struct ImageDesc final
+{
+    ImageDesc();
+    ImageDesc(const Extents &size, const Format &format, const InitState initState);
+    ImageDesc(const Extents &size,
+              const Format &format,
+              const GLsizei samples,
+              const bool fixedSampleLocations,
+              const InitState initState);
+
+    ImageDesc(const ImageDesc &other)            = default;
+    ImageDesc &operator=(const ImageDesc &other) = default;
+
+    GLint getMemorySize() const;
+
+    Extents size;
+    Format format;
+    GLsizei samples;
+    bool fixedSampleLocations;
+
+    // Needed for robust resource initialization.
+    InitState initState;
+};
+
+struct SwizzleState final
+{
+    SwizzleState();
+    SwizzleState(GLenum red, GLenum green, GLenum blue, GLenum alpha);
+    SwizzleState(const SwizzleState &other)            = default;
+    SwizzleState &operator=(const SwizzleState &other) = default;
+
+    bool swizzleRequired() const;
+
+    bool operator==(const SwizzleState &other) const;
+    bool operator!=(const SwizzleState &other) const;
+
+    GLenum swizzleRed;
+    GLenum swizzleGreen;
+    GLenum swizzleBlue;
+    GLenum swizzleAlpha;
+};
+
+// State from Table 6.9 (state per texture object) in the OpenGL ES 3.0.2 spec.
+class TextureState final : private angle::NonCopyable
+{
+  public:
+    TextureState(TextureType type);
+    ~TextureState();
+
+    bool swizzleRequired() const;
+    GLuint getEffectiveBaseLevel() const;
+    GLuint getEffectiveMaxLevel() const;
+
+    // Returns the value called "q" in the GLES 3.0.4 spec section 3.8.10.
+    GLuint getMipmapMaxLevel() const;
+
+    // Returns true if base level changed.
+    bool setBaseLevel(GLuint baseLevel);
+    GLuint getBaseLevel() const { return mBaseLevel; }
+    bool setMaxLevel(GLuint maxLevel);
+    GLuint getMaxLevel() const { return mMaxLevel; }
+
+    bool isCubeComplete() const;
+
+    ANGLE_INLINE bool compatibleWithSamplerFormatForWebGL(SamplerFormat format,
+                                                          const SamplerState &samplerState) const
+    {
+        if (!mCachedSamplerFormatValid ||
+            mCachedSamplerCompareMode != samplerState.getCompareMode())
+        {
+            mCachedSamplerFormat      = computeRequiredSamplerFormat(samplerState);
+            mCachedSamplerCompareMode = samplerState.getCompareMode();
+            mCachedSamplerFormatValid = true;
+        }
+        // Incomplete textures are compatible with any sampler format.
+        return mCachedSamplerFormat == SamplerFormat::InvalidEnum || format == mCachedSamplerFormat;
+    }
+
+    const ImageDesc &getImageDesc(TextureTarget target, size_t level) const;
+    const ImageDesc &getImageDesc(const ImageIndex &imageIndex) const;
+
+    TextureType getType() const { return mType; }
+    const SwizzleState &getSwizzleState() const { return mSwizzleState; }
+    const SamplerState &getSamplerState() const { return mSamplerState; }
+    GLenum getUsage() const { return mUsage; }
+    bool hasProtectedContent() const { return mHasProtectedContent; }
+    GLenum getDepthStencilTextureMode() const { return mDepthStencilTextureMode; }
+    bool isStencilMode() const { return mDepthStencilTextureMode == GL_STENCIL_INDEX; }
+
+    bool hasBeenBoundAsImage() const { return mHasBeenBoundAsImage; }
+    bool is3DTextureAndHasBeenBoundAs2DImage() const { return mIs3DAndHasBeenBoundAs2DImage; }
+    bool hasBeenBoundAsAttachment() const { return mHasBeenBoundAsAttachment; }
+
+    gl::SrgbOverride getSRGBOverride() const { return mSrgbOverride; }
+
+    // Returns the desc of the base level. Only valid for cube-complete/mip-complete textures.
+    const ImageDesc &getBaseLevelDesc() const;
+    const ImageDesc &getLevelZeroDesc() const;
+
+    // GLES1 emulation: For GL_OES_draw_texture
+    void setCrop(const Rectangle &rect);
+    const Rectangle &getCrop() const;
+
+    // GLES1 emulation: Auto-mipmap generation is a texparameter
+    void setGenerateMipmapHint(GLenum hint);
+    GLenum getGenerateMipmapHint() const;
+
+    // Return the enabled mipmap level count.
+    GLuint getEnabledLevelCount() const;
+
+    bool getImmutableFormat() const { return mImmutableFormat; }
+    GLuint getImmutableLevels() const { return mImmutableLevels; }
+
+    const std::vector<ImageDesc> &getImageDescs() const { return mImageDescs; }
+
+    InitState getInitState() const { return mInitState; }
+
+    const OffsetBindingPointer<Buffer> &getBuffer() const { return mBuffer; }
+
+    const std::string &getLabel() const { return mLabel; }
+
+  private:
+    // Texture needs access to the ImageDesc functions.
+    friend class Texture;
+    friend bool operator==(const TextureState &a, const TextureState &b);
+
+    bool computeSamplerCompleteness(const SamplerState &samplerState, const State &state) const;
+    bool computeSamplerCompletenessForCopyImage(const SamplerState &samplerState,
+                                                const State &state) const;
+
+    bool computeMipmapCompleteness() const;
+    bool computeLevelCompleteness(TextureTarget target, size_t level) const;
+    SamplerFormat computeRequiredSamplerFormat(const SamplerState &samplerState) const;
+
+    TextureTarget getBaseImageTarget() const;
+
+    void setImageDesc(TextureTarget target, size_t level, const ImageDesc &desc);
+    void setImageDescChain(GLuint baselevel,
+                           GLuint maxLevel,
+                           Extents baseSize,
+                           const Format &format,
+                           InitState initState);
+    void setImageDescChainMultisample(Extents baseSize,
+                                      const Format &format,
+                                      GLsizei samples,
+                                      bool fixedSampleLocations,
+                                      InitState initState);
+
+    void clearImageDesc(TextureTarget target, size_t level);
+    void clearImageDescs();
+
+    const TextureType mType;
+
+    SwizzleState mSwizzleState;
+
+    SamplerState mSamplerState;
+
+    SrgbOverride mSrgbOverride;
+
+    GLuint mBaseLevel;
+    GLuint mMaxLevel;
+
+    GLenum mDepthStencilTextureMode;
+
+    bool mHasBeenBoundAsImage;
+    bool mIs3DAndHasBeenBoundAs2DImage;
+    bool mHasBeenBoundAsAttachment;
+
+    bool mImmutableFormat;
+    GLuint mImmutableLevels;
+
+    // From GL_ANGLE_texture_usage
+    GLenum mUsage;
+
+    // GL_EXT_protected_textures
+    bool mHasProtectedContent;
+
+    std::vector<ImageDesc> mImageDescs;
+
+    // GLES1 emulation: Texture crop rectangle
+    // For GL_OES_draw_texture
+    Rectangle mCropRect;
+
+    // GLES1 emulation: Generate-mipmap hint per texture
+    GLenum mGenerateMipmapHint;
+
+    // GL_OES_texture_buffer / GLES3.2
+    OffsetBindingPointer<Buffer> mBuffer;
+
+    InitState mInitState;
+
+    mutable SamplerFormat mCachedSamplerFormat;
+    mutable GLenum mCachedSamplerCompareMode;
+    mutable bool mCachedSamplerFormatValid;
+    std::string mLabel;
+};
+
+bool operator==(const TextureState &a, const TextureState &b);
+bool operator!=(const TextureState &a, const TextureState &b);
+
+class Texture final : public RefCountObject<TextureID>,
+                      public egl::ImageSibling,
+                      public LabeledObject
+{
+  public:
+    Texture(rx::GLImplFactory *factory, TextureID id, TextureType type);
+    ~Texture() override;
+
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+
+    const std::string &getLabel() const override;
+
+    TextureType getType() const { return mState.mType; }
+
+    void setSwizzleRed(const Context *context, GLenum swizzleRed);
+    GLenum getSwizzleRed() const;
+
+    void setSwizzleGreen(const Context *context, GLenum swizzleGreen);
+    GLenum getSwizzleGreen() const;
+
+    void setSwizzleBlue(const Context *context, GLenum swizzleBlue);
+    GLenum getSwizzleBlue() const;
+
+    void setSwizzleAlpha(const Context *context, GLenum swizzleAlpha);
+    GLenum getSwizzleAlpha() const;
+
+    void setMinFilter(const Context *context, GLenum minFilter);
+    GLenum getMinFilter() const;
+
+    void setMagFilter(const Context *context, GLenum magFilter);
+    GLenum getMagFilter() const;
+
+    void setWrapS(const Context *context, GLenum wrapS);
+    GLenum getWrapS() const;
+
+    void setWrapT(const Context *context, GLenum wrapT);
+    GLenum getWrapT() const;
+
+    void setWrapR(const Context *context, GLenum wrapR);
+    GLenum getWrapR() const;
+
+    void setMaxAnisotropy(const Context *context, float maxAnisotropy);
+    float getMaxAnisotropy() const;
+
+    void setMinLod(const Context *context, GLfloat minLod);
+    GLfloat getMinLod() const;
+
+    void setMaxLod(const Context *context, GLfloat maxLod);
+    GLfloat getMaxLod() const;
+
+    void setCompareMode(const Context *context, GLenum compareMode);
+    GLenum getCompareMode() const;
+
+    void setCompareFunc(const Context *context, GLenum compareFunc);
+    GLenum getCompareFunc() const;
+
+    void setSRGBDecode(const Context *context, GLenum sRGBDecode);
+    GLenum getSRGBDecode() const;
+
+    void setSRGBOverride(const Context *context, GLenum sRGBOverride);
+    GLenum getSRGBOverride() const;
+
+    const SamplerState &getSamplerState() const;
+
+    angle::Result setBaseLevel(const Context *context, GLuint baseLevel);
+    GLuint getBaseLevel() const;
+
+    void setMaxLevel(const Context *context, GLuint maxLevel);
+    GLuint getMaxLevel() const;
+
+    void setDepthStencilTextureMode(const Context *context, GLenum mode);
+    GLenum getDepthStencilTextureMode() const;
+
+    bool getImmutableFormat() const;
+
+    GLuint getImmutableLevels() const;
+
+    void setUsage(const Context *context, GLenum usage);
+    GLenum getUsage() const;
+
+    void setProtectedContent(Context *context, bool hasProtectedContent);
+    bool hasProtectedContent() const override;
+
+    const TextureState &getState() const { return mState; }
+
+    void setBorderColor(const Context *context, const ColorGeneric &color);
+    const ColorGeneric &getBorderColor() const;
+
+    angle::Result setBuffer(const Context *context, gl::Buffer *buffer, GLenum internalFormat);
+    angle::Result setBufferRange(const Context *context,
+                                 gl::Buffer *buffer,
+                                 GLenum internalFormat,
+                                 GLintptr offset,
+                                 GLsizeiptr size);
+    const OffsetBindingPointer<Buffer> &getBuffer() const;
+
+    GLint getRequiredTextureImageUnits(const Context *context) const;
+
+    const TextureState &getTextureState() const;
+
+    const Extents &getExtents(TextureTarget target, size_t level) const;
+    size_t getWidth(TextureTarget target, size_t level) const;
+    size_t getHeight(TextureTarget target, size_t level) const;
+    size_t getDepth(TextureTarget target, size_t level) const;
+    GLsizei getSamples(TextureTarget target, size_t level) const;
+    bool getFixedSampleLocations(TextureTarget target, size_t level) const;
+    const Format &getFormat(TextureTarget target, size_t level) const;
+
+    // Returns the value called "q" in the GLES 3.0.4 spec section 3.8.10.
+    GLuint getMipmapMaxLevel() const;
+
+    bool isMipmapComplete() const;
+
+    angle::Result setImage(Context *context,
+                           const PixelUnpackState &unpackState,
+                           Buffer *unpackBuffer,
+                           TextureTarget target,
+                           GLint level,
+                           GLenum internalFormat,
+                           const Extents &size,
+                           GLenum format,
+                           GLenum type,
+                           const uint8_t *pixels);
+    angle::Result setSubImage(Context *context,
+                              const PixelUnpackState &unpackState,
+                              Buffer *unpackBuffer,
+                              TextureTarget target,
+                              GLint level,
+                              const Box &area,
+                              GLenum format,
+                              GLenum type,
+                              const uint8_t *pixels);
+
+    angle::Result setCompressedImage(Context *context,
+                                     const PixelUnpackState &unpackState,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLenum internalFormat,
+                                     const Extents &size,
+                                     size_t imageSize,
+                                     const uint8_t *pixels);
+    angle::Result setCompressedSubImage(const Context *context,
+                                        const PixelUnpackState &unpackState,
+                                        TextureTarget target,
+                                        GLint level,
+                                        const Box &area,
+                                        GLenum format,
+                                        size_t imageSize,
+                                        const uint8_t *pixels);
+
+    angle::Result copyImage(Context *context,
+                            TextureTarget target,
+                            GLint level,
+                            const Rectangle &sourceArea,
+                            GLenum internalFormat,
+                            Framebuffer *source);
+    angle::Result copySubImage(Context *context,
+                               const ImageIndex &index,
+                               const Offset &destOffset,
+                               const Rectangle &sourceArea,
+                               Framebuffer *source);
+
+    angle::Result copyRenderbufferSubData(Context *context,
+                                          const gl::Renderbuffer *srcBuffer,
+                                          GLint srcLevel,
+                                          GLint srcX,
+                                          GLint srcY,
+                                          GLint srcZ,
+                                          GLint dstLevel,
+                                          GLint dstX,
+                                          GLint dstY,
+                                          GLint dstZ,
+                                          GLsizei srcWidth,
+                                          GLsizei srcHeight,
+                                          GLsizei srcDepth);
+
+    angle::Result copyTextureSubData(Context *context,
+                                     const gl::Texture *srcTexture,
+                                     GLint srcLevel,
+                                     GLint srcX,
+                                     GLint srcY,
+                                     GLint srcZ,
+                                     GLint dstLevel,
+                                     GLint dstX,
+                                     GLint dstY,
+                                     GLint dstZ,
+                                     GLsizei srcWidth,
+                                     GLsizei srcHeight,
+                                     GLsizei srcDepth);
+
+    angle::Result copyTexture(Context *context,
+                              TextureTarget target,
+                              GLint level,
+                              GLenum internalFormat,
+                              GLenum type,
+                              GLint sourceLevel,
+                              bool unpackFlipY,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha,
+                              Texture *source);
+    angle::Result copySubTexture(const Context *context,
+                                 TextureTarget target,
+                                 GLint level,
+                                 const Offset &destOffset,
+                                 GLint sourceLevel,
+                                 const Box &sourceBox,
+                                 bool unpackFlipY,
+                                 bool unpackPremultiplyAlpha,
+                                 bool unpackUnmultiplyAlpha,
+                                 Texture *source);
+    angle::Result copyCompressedTexture(Context *context, const Texture *source);
+
+    angle::Result setStorage(Context *context,
+                             TextureType type,
+                             GLsizei levels,
+                             GLenum internalFormat,
+                             const Extents &size);
+
+    angle::Result setStorageMultisample(Context *context,
+                                        TextureType type,
+                                        GLsizei samplesIn,
+                                        GLint internalformat,
+                                        const Extents &size,
+                                        bool fixedSampleLocations);
+
+    angle::Result setStorageExternalMemory(Context *context,
+                                           TextureType type,
+                                           GLsizei levels,
+                                           GLenum internalFormat,
+                                           const Extents &size,
+                                           MemoryObject *memoryObject,
+                                           GLuint64 offset,
+                                           GLbitfield createFlags,
+                                           GLbitfield usageFlags,
+                                           const void *imageCreateInfoPNext);
+
+    angle::Result setImageExternal(Context *context,
+                                   TextureTarget target,
+                                   GLint level,
+                                   GLenum internalFormat,
+                                   const Extents &size,
+                                   GLenum format,
+                                   GLenum type);
+
+    angle::Result setEGLImageTarget(Context *context, TextureType type, egl::Image *imageTarget);
+
+    angle::Result setStorageEGLImageTarget(Context *context,
+                                           TextureType type,
+                                           egl::Image *image,
+                                           const GLint *attrib_list);
+
+    angle::Result generateMipmap(Context *context);
+
+    void onBindAsImageTexture();
+    void onBind3DTextureAs2DImage();
+
+    egl::Surface *getBoundSurface() const;
+    egl::Stream *getBoundStream() const;
+
+    GLint getMemorySize() const;
+    GLint getLevelMemorySize(TextureTarget target, GLint level) const;
+
+    void signalDirtyStorage(InitState initState);
+
+    bool isSamplerComplete(const Context *context, const Sampler *optionalSampler);
+    bool isSamplerCompleteForCopyImage(const Context *context,
+                                       const Sampler *optionalSampler) const;
+
+    GLenum getImplementationColorReadFormat(const Context *context) const;
+    GLenum getImplementationColorReadType(const Context *context) const;
+
+    bool isCompressedFormatEmulated(const Context *context,
+                                    TextureTarget target,
+                                    GLint level) const;
+
+    // We pass the pack buffer and state explicitly so they can be overridden during capture.
+    angle::Result getTexImage(const Context *context,
+                              const PixelPackState &packState,
+                              Buffer *packBuffer,
+                              TextureTarget target,
+                              GLint level,
+                              GLenum format,
+                              GLenum type,
+                              void *pixels);
+
+    angle::Result getCompressedTexImage(const Context *context,
+                                        const PixelPackState &packState,
+                                        Buffer *packBuffer,
+                                        TextureTarget target,
+                                        GLint level,
+                                        void *pixels);
+
+    rx::TextureImpl *getImplementation() const { return mTexture; }
+
+    // FramebufferAttachmentObject implementation
+    Extents getAttachmentSize(const ImageIndex &imageIndex) const override;
+    Format getAttachmentFormat(GLenum binding, const ImageIndex &imageIndex) const override;
+    GLsizei getAttachmentSamples(const ImageIndex &imageIndex) const override;
+    bool isRenderable(const Context *context,
+                      GLenum binding,
+                      const ImageIndex &imageIndex) const override;
+
+    bool getAttachmentFixedSampleLocations(const ImageIndex &imageIndex) const;
+
+    // GLES1 emulation
+    void setCrop(const Rectangle &rect);
+    const Rectangle &getCrop() const;
+    void setGenerateMipmapHint(GLenum generate);
+    GLenum getGenerateMipmapHint() const;
+
+    void onAttach(const Context *context, rx::Serial framebufferSerial) override;
+    void onDetach(const Context *context, rx::Serial framebufferSerial) override;
+
+    // Used specifically for FramebufferAttachmentObject.
+    GLuint getId() const override;
+
+    GLuint getNativeID() const;
+
+    // Needed for robust resource init.
+    angle::Result ensureInitialized(const Context *context);
+    InitState initState(GLenum binding, const ImageIndex &imageIndex) const override;
+    InitState initState() const { return mState.mInitState; }
+    void setInitState(GLenum binding, const ImageIndex &imageIndex, InitState initState) override;
+    void setInitState(InitState initState);
+
+    bool isBoundToFramebuffer(rx::Serial framebufferSerial) const
+    {
+        for (size_t index = 0; index < mBoundFramebufferSerials.size(); ++index)
+        {
+            if (mBoundFramebufferSerials[index] == framebufferSerial)
+                return true;
+        }
+
+        return false;
+    }
+
+    bool isDepthOrStencil() const
+    {
+        return mState.getBaseLevelDesc().format.info->isDepthOrStencil();
+    }
+
+    enum DirtyBitType
+    {
+        // Sampler state
+        DIRTY_BIT_MIN_FILTER,
+        DIRTY_BIT_MAG_FILTER,
+        DIRTY_BIT_WRAP_S,
+        DIRTY_BIT_WRAP_T,
+        DIRTY_BIT_WRAP_R,
+        DIRTY_BIT_MAX_ANISOTROPY,
+        DIRTY_BIT_MIN_LOD,
+        DIRTY_BIT_MAX_LOD,
+        DIRTY_BIT_COMPARE_MODE,
+        DIRTY_BIT_COMPARE_FUNC,
+        DIRTY_BIT_SRGB_DECODE,
+        DIRTY_BIT_SRGB_OVERRIDE,
+        DIRTY_BIT_BORDER_COLOR,
+
+        // Texture state
+        DIRTY_BIT_SWIZZLE_RED,
+        DIRTY_BIT_SWIZZLE_GREEN,
+        DIRTY_BIT_SWIZZLE_BLUE,
+        DIRTY_BIT_SWIZZLE_ALPHA,
+        DIRTY_BIT_BASE_LEVEL,
+        DIRTY_BIT_MAX_LEVEL,
+        DIRTY_BIT_DEPTH_STENCIL_TEXTURE_MODE,
+
+        // Image state
+        DIRTY_BIT_BOUND_AS_IMAGE,
+        DIRTY_BIT_BOUND_AS_ATTACHMENT,
+
+        // Misc
+        DIRTY_BIT_USAGE,
+        DIRTY_BIT_IMPLEMENTATION,
+
+        DIRTY_BIT_COUNT,
+    };
+    using DirtyBits = angle::BitSet<DIRTY_BIT_COUNT>;
+
+    angle::Result syncState(const Context *context, Command source);
+    bool hasAnyDirtyBit() const { return mDirtyBits.any(); }
+    bool hasAnyDirtyBitExcludingBoundAsAttachmentBit() const
+    {
+        static constexpr DirtyBits kBoundAsAttachment = DirtyBits({DIRTY_BIT_BOUND_AS_ATTACHMENT});
+        return mDirtyBits.any() && mDirtyBits != kBoundAsAttachment;
+    }
+
+    // ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+  private:
+    rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override;
+
+    // ANGLE-only method, used internally
+    friend class egl::Surface;
+    angle::Result bindTexImageFromSurface(Context *context, egl::Surface *surface);
+    angle::Result releaseTexImageFromSurface(const Context *context);
+
+    // ANGLE-only methods, used internally
+    friend class egl::Stream;
+    void bindStream(egl::Stream *stream);
+    void releaseStream();
+    angle::Result acquireImageFromStream(const Context *context,
+                                         const egl::Stream::GLTextureDescription &desc);
+    angle::Result releaseImageFromStream(const Context *context);
+
+    void invalidateCompletenessCache() const;
+    angle::Result releaseTexImageInternal(Context *context);
+
+    bool doesSubImageNeedInit(const Context *context,
+                              const ImageIndex &imageIndex,
+                              const Box &area) const;
+    angle::Result ensureSubImageInitialized(const Context *context,
+                                            const ImageIndex &imageIndex,
+                                            const Box &area);
+
+    angle::Result handleMipmapGenerationHint(Context *context, int level);
+
+    angle::Result setEGLImageTargetImpl(Context *context,
+                                        TextureType type,
+                                        GLuint levels,
+                                        egl::Image *imageTarget);
+
+    void signalDirtyState(size_t dirtyBit);
+
+    TextureState mState;
+    DirtyBits mDirtyBits;
+    rx::TextureImpl *mTexture;
+    angle::ObserverBinding mImplObserver;
+    // For EXT_texture_buffer, observes buffer changes.
+    angle::ObserverBinding mBufferObserver;
+
+    egl::Surface *mBoundSurface;
+    egl::Stream *mBoundStream;
+
+    // We track all the serials of the Framebuffers this texture is attached to. Note that this
+    // allows duplicates because different ranges of a Texture can be bound to the same Framebuffer.
+    // For the purposes of depth-stencil loops, a simple "isBound" check works fine. For color
+    // attachment Feedback Loop checks we then need to check further to see when a Texture is bound
+    // to mulitple bindings that the bindings don't overlap.
+    static constexpr uint32_t kFastFramebufferSerialCount = 8;
+    angle::FastVector<rx::Serial, kFastFramebufferSerialCount> mBoundFramebufferSerials;
+
+    struct SamplerCompletenessCache
+    {
+        SamplerCompletenessCache();
+
+        // Context used to generate this cache entry
+        ContextID context;
+
+        // All values that affect sampler completeness that are not stored within
+        // the texture itself
+        SamplerState samplerState;
+
+        // Result of the sampler completeness with the above parameters
+        bool samplerComplete;
+    };
+
+    mutable SamplerCompletenessCache mCompletenessCache;
+};
+
+inline bool operator==(const TextureState &a, const TextureState &b)
+{
+    return a.mSwizzleState == b.mSwizzleState && a.mSamplerState == b.mSamplerState &&
+           a.mBaseLevel == b.mBaseLevel && a.mMaxLevel == b.mMaxLevel &&
+           a.mImmutableFormat == b.mImmutableFormat && a.mImmutableLevels == b.mImmutableLevels &&
+           a.mUsage == b.mUsage;
+}
+
+inline bool operator!=(const TextureState &a, const TextureState &b)
+{
+    return !(a == b);
+}
+}  // namespace gl
+
+#endif  // LIBANGLE_TEXTURE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Thread.cpp b/gfx/angle/checkout/src/libANGLE/Thread.cpp
new file mode 100644
index 0000000000..7f5f65fa3c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Thread.cpp
@@ -0,0 +1,168 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Thread.cpp : Defines the Thread class which represents a global EGL thread.
+
+#include "libANGLE/Thread.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Error.h"
+
+namespace angle
+{
+#if defined(ANGLE_USE_ANDROID_TLS_SLOT)
+bool gUseAndroidOpenGLTlsSlot;
+#endif
+
+void PthreadKeyDestructorCallback(void *ptr)
+{
+    egl::Thread *thread = static_cast<egl::Thread *>(ptr);
+    ASSERT(thread);
+
+    egl::Display::EglDisplaySet displays = egl::Display::GetEglDisplaySet();
+    for (egl::Display *display : displays)
+    {
+        ASSERT(display);
+        // Perform necessary cleanup.
+        display->threadCleanup(thread);
+    }
+}
+}  // namespace angle
+
+namespace egl
+{
+namespace
+{
+Debug *sDebug = nullptr;
+}  // namespace
+
+Thread::Thread()
+    : mLabel(nullptr),
+      mError(EGL_SUCCESS),
+      mAPI(EGL_OPENGL_ES_API),
+      mContext(static_cast<gl::Context *>(EGL_NO_CONTEXT))
+{}
+
+void Thread::setLabel(EGLLabelKHR label)
+{
+    mLabel = label;
+}
+
+EGLLabelKHR Thread::getLabel() const
+{
+    return mLabel;
+}
+
+void Thread::setSuccess()
+{
+    mError = EGL_SUCCESS;
+}
+
+void Thread::setError(EGLint error,
+                      const char *command,
+                      const LabeledObject *object,
+                      const char *message)
+{
+    mError = error;
+    if (error != EGL_SUCCESS && message)
+    {
+        EnsureDebugAllocated();
+        sDebug->insertMessage(error, command, ErrorCodeToMessageType(error), getLabel(),
+                              object ? object->getLabel() : nullptr, message);
+    }
+}
+
+void Thread::setError(const Error &error, const char *command, const LabeledObject *object)
+{
+    mError = error.getCode();
+    if (error.isError() && !error.getMessage().empty())
+    {
+        EnsureDebugAllocated();
+        sDebug->insertMessage(error.getCode(), command, ErrorCodeToMessageType(error.getCode()),
+                              getLabel(), object ? object->getLabel() : nullptr,
+                              error.getMessage());
+    }
+}
+
+EGLint Thread::getError() const
+{
+    return mError;
+}
+
+void Thread::setAPI(EGLenum api)
+{
+    mAPI = api;
+}
+
+EGLenum Thread::getAPI() const
+{
+    return mAPI;
+}
+
+void Thread::setCurrent(gl::Context *context)
+{
+    mContext = context;
+    if (mContext)
+    {
+        ASSERT(mContext->getDisplay());
+        mContext->getDisplay()->addActiveThread(this);
+    }
+}
+
+Surface *Thread::getCurrentDrawSurface() const
+{
+    if (mContext)
+    {
+        return mContext->getCurrentDrawSurface();
+    }
+    return nullptr;
+}
+
+Surface *Thread::getCurrentReadSurface() const
+{
+    if (mContext)
+    {
+        return mContext->getCurrentReadSurface();
+    }
+    return nullptr;
+}
+
+gl::Context *Thread::getContext() const
+{
+    return mContext;
+}
+
+Display *Thread::getDisplay() const
+{
+    if (mContext)
+    {
+        return mContext->getDisplay();
+    }
+    return nullptr;
+}
+
+void EnsureDebugAllocated()
+{
+    // All EGL calls use a global lock, this is thread safe
+    if (sDebug == nullptr)
+    {
+        sDebug = new Debug();
+    }
+}
+
+void DeallocateDebug()
+{
+    SafeDelete(sDebug);
+}
+
+Debug *GetDebug()
+{
+    EnsureDebugAllocated();
+    return sDebug;
+}
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/Thread.h b/gfx/angle/checkout/src/libANGLE/Thread.h
new file mode 100644
index 0000000000..415c09bf37
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Thread.h
@@ -0,0 +1,80 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Thread.h : Defines the Thread class which represents a global EGL thread.
+
+#ifndef LIBANGLE_THREAD_H_
+#define LIBANGLE_THREAD_H_
+
+#include <EGL/egl.h>
+
+#include "libANGLE/Debug.h"
+
+#include <atomic>
+
+namespace angle
+{
+#if defined(ANGLE_USE_ANDROID_TLS_SLOT)
+extern bool gUseAndroidOpenGLTlsSlot;
+#endif
+
+void PthreadKeyDestructorCallback(void *ptr);
+}  // namespace angle
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace egl
+{
+class Error;
+class Debug;
+class Display;
+class Surface;
+
+class Thread : public LabeledObject
+{
+  public:
+    Thread();
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    void setSuccess();
+
+    void setError(EGLint error,
+                  const char *command,
+                  const LabeledObject *object,
+                  const char *message);
+
+    // TODO: Remove egl::Error. http://anglebug.com/3041
+    void setError(const Error &error, const char *command, const LabeledObject *object);
+    EGLint getError() const;
+
+    void setAPI(EGLenum api);
+    EGLenum getAPI() const;
+
+    void setCurrent(gl::Context *context);
+    Surface *getCurrentDrawSurface() const;
+    Surface *getCurrentReadSurface() const;
+    gl::Context *getContext() const;
+    Display *getDisplay() const;
+
+  private:
+    EGLLabelKHR mLabel;
+    EGLint mError;
+    EGLenum mAPI;
+    gl::Context *mContext;
+};
+
+void EnsureDebugAllocated();
+void DeallocateDebug();
+Debug *GetDebug();
+
+}  // namespace egl
+
+#endif  // LIBANGLE_THREAD_H_
diff --git a/gfx/angle/checkout/src/libANGLE/TransformFeedback.cpp b/gfx/angle/checkout/src/libANGLE/TransformFeedback.cpp
new file mode 100644
index 0000000000..af1875ac50
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/TransformFeedback.cpp
@@ -0,0 +1,347 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "libANGLE/TransformFeedback.h"
+
+#include "common/mathutil.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/State.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/TransformFeedbackImpl.h"
+
+#include <limits>
+
+namespace gl
+{
+
+angle::CheckedNumeric<GLsizeiptr> GetVerticesNeededForDraw(PrimitiveMode primitiveMode,
+                                                           GLsizei count,
+                                                           GLsizei primcount)
+{
+    if (count < 0 || primcount < 0)
+    {
+        return 0;
+    }
+    // Transform feedback only outputs complete primitives, so we need to round down to the nearest
+    // complete primitive before multiplying by the number of instances.
+    angle::CheckedNumeric<GLsizeiptr> checkedCount     = count;
+    angle::CheckedNumeric<GLsizeiptr> checkedPrimcount = primcount;
+    switch (primitiveMode)
+    {
+        case PrimitiveMode::Triangles:
+            return checkedPrimcount * (checkedCount - checkedCount % 3);
+        case PrimitiveMode::Lines:
+            return checkedPrimcount * (checkedCount - checkedCount % 2);
+        case PrimitiveMode::Points:
+            return checkedPrimcount * checkedCount;
+        default:
+            UNREACHABLE();
+            return checkedPrimcount * checkedCount;
+    }
+}
+
+TransformFeedbackState::TransformFeedbackState(size_t maxIndexedBuffers)
+    : mLabel(),
+      mActive(false),
+      mPrimitiveMode(PrimitiveMode::InvalidEnum),
+      mPaused(false),
+      mVerticesDrawn(0),
+      mVertexCapacity(0),
+      mProgram(nullptr),
+      mIndexedBuffers(maxIndexedBuffers)
+{}
+
+TransformFeedbackState::~TransformFeedbackState() {}
+
+const OffsetBindingPointer<Buffer> &TransformFeedbackState::getIndexedBuffer(size_t idx) const
+{
+    return mIndexedBuffers[idx];
+}
+
+const std::vector<OffsetBindingPointer<Buffer>> &TransformFeedbackState::getIndexedBuffers() const
+{
+    return mIndexedBuffers;
+}
+
+GLsizeiptr TransformFeedbackState::getPrimitivesDrawn() const
+{
+    switch (mPrimitiveMode)
+    {
+        case gl::PrimitiveMode::Points:
+            return mVerticesDrawn;
+        case gl::PrimitiveMode::Lines:
+            return mVerticesDrawn / 2;
+        case gl::PrimitiveMode::Triangles:
+            return mVerticesDrawn / 3;
+        default:
+            return 0;
+    }
+}
+
+TransformFeedback::TransformFeedback(rx::GLImplFactory *implFactory,
+                                     TransformFeedbackID id,
+                                     const Caps &caps)
+    : RefCountObject(implFactory->generateSerial(), id),
+      mState(caps.maxTransformFeedbackSeparateAttributes),
+      mImplementation(implFactory->createTransformFeedback(mState))
+{
+    ASSERT(mImplementation != nullptr);
+}
+
+void TransformFeedback::onDestroy(const Context *context)
+{
+    ASSERT(!context || !context->isCurrentTransformFeedback(this));
+    if (mState.mProgram)
+    {
+        mState.mProgram->release(context);
+        mState.mProgram = nullptr;
+    }
+
+    ASSERT(!mState.mProgram);
+    for (size_t i = 0; i < mState.mIndexedBuffers.size(); i++)
+    {
+        mState.mIndexedBuffers[i].set(context, nullptr, 0, 0);
+    }
+
+    if (mImplementation)
+    {
+        mImplementation->onDestroy(context);
+    }
+}
+
+TransformFeedback::~TransformFeedback()
+{
+    SafeDelete(mImplementation);
+}
+
+angle::Result TransformFeedback::setLabel(const Context *context, const std::string &label)
+{
+    mState.mLabel = label;
+
+    if (mImplementation)
+    {
+        return mImplementation->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &TransformFeedback::getLabel() const
+{
+    return mState.mLabel;
+}
+
+angle::Result TransformFeedback::begin(const Context *context,
+                                       PrimitiveMode primitiveMode,
+                                       Program *program)
+{
+    // TODO: http://anglebug.com/5486: This method should take in as parameter a
+    // ProgramExecutable instead of a Program.
+
+    ANGLE_TRY(mImplementation->begin(context, primitiveMode));
+    mState.mActive        = true;
+    mState.mPrimitiveMode = primitiveMode;
+    mState.mPaused        = false;
+    mState.mVerticesDrawn = 0;
+    bindProgram(context, program);
+
+    // In one of the angle_unittests - "TransformFeedbackTest.SideEffectsOfStartAndStop"
+    // there is a code path where <context> is a nullptr, account for that possiblity.
+    const ProgramExecutable *programExecutable =
+        context ? context->getState().getLinkedProgramExecutable(context) : nullptr;
+    if (programExecutable)
+    {
+        // Compute the number of vertices we can draw before overflowing the bound buffers.
+        auto strides = programExecutable->getTransformFeedbackStrides();
+        ASSERT(strides.size() <= mState.mIndexedBuffers.size() && !strides.empty());
+        GLsizeiptr minCapacity = std::numeric_limits<GLsizeiptr>::max();
+        for (size_t index = 0; index < strides.size(); index++)
+        {
+            GLsizeiptr capacity =
+                GetBoundBufferAvailableSize(mState.mIndexedBuffers[index]) / strides[index];
+            minCapacity = std::min(minCapacity, capacity);
+        }
+        mState.mVertexCapacity = minCapacity;
+    }
+    else
+    {
+        mState.mVertexCapacity = 0;
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback::end(const Context *context)
+{
+    ANGLE_TRY(mImplementation->end(context));
+    mState.mActive         = false;
+    mState.mPrimitiveMode  = PrimitiveMode::InvalidEnum;
+    mState.mPaused         = false;
+    mState.mVerticesDrawn  = 0;
+    mState.mVertexCapacity = 0;
+    if (mState.mProgram)
+    {
+        mState.mProgram->release(context);
+        mState.mProgram = nullptr;
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback::pause(const Context *context)
+{
+    ANGLE_TRY(mImplementation->pause(context));
+    mState.mPaused = true;
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback::resume(const Context *context)
+{
+    ANGLE_TRY(mImplementation->resume(context));
+    mState.mPaused = false;
+    return angle::Result::Continue;
+}
+
+bool TransformFeedback::isPaused() const
+{
+    return mState.mPaused;
+}
+
+PrimitiveMode TransformFeedback::getPrimitiveMode() const
+{
+    return mState.mPrimitiveMode;
+}
+
+bool TransformFeedback::checkBufferSpaceForDraw(GLsizei count, GLsizei primcount) const
+{
+    auto vertices =
+        mState.mVerticesDrawn + GetVerticesNeededForDraw(mState.mPrimitiveMode, count, primcount);
+    return vertices.IsValid() && vertices.ValueOrDie() <= mState.mVertexCapacity;
+}
+
+void TransformFeedback::onVerticesDrawn(const Context *context, GLsizei count, GLsizei primcount)
+{
+    ASSERT(mState.mActive && !mState.mPaused);
+    // All draws should be validated with checkBufferSpaceForDraw so ValueOrDie should never fail.
+    mState.mVerticesDrawn =
+        (mState.mVerticesDrawn + GetVerticesNeededForDraw(mState.mPrimitiveMode, count, primcount))
+            .ValueOrDie();
+
+    for (auto &buffer : mState.mIndexedBuffers)
+    {
+        if (buffer.get() != nullptr)
+        {
+            buffer->onDataChanged();
+        }
+    }
+}
+
+void TransformFeedback::bindProgram(const Context *context, Program *program)
+{
+    if (mState.mProgram != program)
+    {
+        if (mState.mProgram != nullptr)
+        {
+            mState.mProgram->release(context);
+        }
+        mState.mProgram = program;
+        if (mState.mProgram != nullptr)
+        {
+            mState.mProgram->addRef();
+        }
+    }
+}
+
+bool TransformFeedback::hasBoundProgram(ShaderProgramID program) const
+{
+    return mState.mProgram != nullptr && mState.mProgram->id().value == program.value;
+}
+
+angle::Result TransformFeedback::detachBuffer(const Context *context, BufferID bufferID)
+{
+    bool isBound = context->isCurrentTransformFeedback(this);
+    for (size_t index = 0; index < mState.mIndexedBuffers.size(); index++)
+    {
+        if (mState.mIndexedBuffers[index].id() == bufferID)
+        {
+            if (isBound)
+            {
+                mState.mIndexedBuffers[index]->onTFBindingChanged(context, false, true);
+            }
+            mState.mIndexedBuffers[index].set(context, nullptr, 0, 0);
+            ANGLE_TRY(
+                mImplementation->bindIndexedBuffer(context, index, mState.mIndexedBuffers[index]));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback::bindIndexedBuffer(const Context *context,
+                                                   size_t index,
+                                                   Buffer *buffer,
+                                                   size_t offset,
+                                                   size_t size)
+{
+    ASSERT(index < mState.mIndexedBuffers.size());
+    bool isBound = context && context->isCurrentTransformFeedback(this);
+    if (isBound && mState.mIndexedBuffers[index].get())
+    {
+        mState.mIndexedBuffers[index]->onTFBindingChanged(context, false, true);
+    }
+    mState.mIndexedBuffers[index].set(context, buffer, offset, size);
+    if (isBound && buffer)
+    {
+        buffer->onTFBindingChanged(context, true, true);
+    }
+
+    return mImplementation->bindIndexedBuffer(context, index, mState.mIndexedBuffers[index]);
+}
+
+const OffsetBindingPointer<Buffer> &TransformFeedback::getIndexedBuffer(size_t index) const
+{
+    ASSERT(index < mState.mIndexedBuffers.size());
+    return mState.mIndexedBuffers[index];
+}
+
+size_t TransformFeedback::getIndexedBufferCount() const
+{
+    return mState.mIndexedBuffers.size();
+}
+
+bool TransformFeedback::buffersBoundForOtherUseInWebGL() const
+{
+    for (auto &buffer : mState.mIndexedBuffers)
+    {
+        if (buffer.get() && buffer->hasWebGLXFBBindingConflict(true))
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+rx::TransformFeedbackImpl *TransformFeedback::getImplementation() const
+{
+    return mImplementation;
+}
+
+void TransformFeedback::onBindingChanged(const Context *context, bool bound)
+{
+    for (auto &buffer : mState.mIndexedBuffers)
+    {
+        if (buffer.get())
+        {
+            buffer->onTFBindingChanged(context, bound, true);
+        }
+    }
+}
+
+const std::vector<OffsetBindingPointer<Buffer>> &TransformFeedback::getIndexedBuffers() const
+{
+    return mState.mIndexedBuffers;
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/TransformFeedback.h b/gfx/angle/checkout/src/libANGLE/TransformFeedback.h
new file mode 100644
index 0000000000..e55d0054c1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/TransformFeedback.h
@@ -0,0 +1,120 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef LIBANGLE_TRANSFORM_FEEDBACK_H_
+#define LIBANGLE_TRANSFORM_FEEDBACK_H_
+
+#include "libANGLE/RefCountObject.h"
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Debug.h"
+
+#include "angle_gl.h"
+
+namespace rx
+{
+class GLImplFactory;
+class TransformFeedbackImpl;
+class TransformFeedbackGL;
+}  // namespace rx
+
+namespace gl
+{
+class Buffer;
+struct Caps;
+class Context;
+class Program;
+
+class TransformFeedbackState final : angle::NonCopyable
+{
+  public:
+    TransformFeedbackState(size_t maxIndexedBuffers);
+    ~TransformFeedbackState();
+
+    const OffsetBindingPointer<Buffer> &getIndexedBuffer(size_t idx) const;
+    const std::vector<OffsetBindingPointer<Buffer>> &getIndexedBuffers() const;
+    const Program *getBoundProgram() const { return mProgram; }
+    GLsizeiptr getVerticesDrawn() const { return mVerticesDrawn; }
+    GLsizeiptr getPrimitivesDrawn() const;
+
+  private:
+    friend class TransformFeedback;
+
+    std::string mLabel;
+
+    bool mActive;
+    PrimitiveMode mPrimitiveMode;
+    bool mPaused;
+    GLsizeiptr mVerticesDrawn;
+    GLsizeiptr mVertexCapacity;
+
+    Program *mProgram;
+
+    std::vector<OffsetBindingPointer<Buffer>> mIndexedBuffers;
+};
+
+class TransformFeedback final : public RefCountObject<TransformFeedbackID>, public LabeledObject
+{
+  public:
+    TransformFeedback(rx::GLImplFactory *implFactory, TransformFeedbackID id, const Caps &caps);
+    ~TransformFeedback() override;
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    angle::Result begin(const Context *context, PrimitiveMode primitiveMode, Program *program);
+    angle::Result end(const Context *context);
+    angle::Result pause(const Context *context);
+    angle::Result resume(const Context *context);
+
+    bool isActive() const { return mState.mActive; }
+
+    bool isPaused() const;
+    PrimitiveMode getPrimitiveMode() const;
+    // Validates that the vertices produced by a draw call will fit in the bound transform feedback
+    // buffers.
+    bool checkBufferSpaceForDraw(GLsizei count, GLsizei primcount) const;
+    // This must be called after each draw call when transform feedback is enabled to keep track of
+    // how many vertices have been written to the buffers. This information is needed by
+    // checkBufferSpaceForDraw because each draw call appends vertices to the buffers starting just
+    // after the last vertex of the previous draw call.
+    void onVerticesDrawn(const Context *context, GLsizei count, GLsizei primcount);
+
+    bool hasBoundProgram(ShaderProgramID program) const;
+
+    angle::Result bindIndexedBuffer(const Context *context,
+                                    size_t index,
+                                    Buffer *buffer,
+                                    size_t offset,
+                                    size_t size);
+    const OffsetBindingPointer<Buffer> &getIndexedBuffer(size_t index) const;
+    size_t getIndexedBufferCount() const;
+    const std::vector<OffsetBindingPointer<Buffer>> &getIndexedBuffers() const;
+
+    GLsizeiptr getVerticesDrawn() const { return mState.getVerticesDrawn(); }
+    GLsizeiptr getPrimitivesDrawn() const { return mState.getPrimitivesDrawn(); }
+
+    // Returns true if any buffer bound to this object is also bound to another target.
+    bool buffersBoundForOtherUseInWebGL() const;
+
+    angle::Result detachBuffer(const Context *context, BufferID bufferID);
+
+    rx::TransformFeedbackImpl *getImplementation() const;
+
+    void onBindingChanged(const Context *context, bool bound);
+
+  private:
+    void bindProgram(const Context *context, Program *program);
+
+    TransformFeedbackState mState;
+    rx::TransformFeedbackImpl *mImplementation;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_TRANSFORM_FEEDBACK_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Uniform.cpp b/gfx/angle/checkout/src/libANGLE/Uniform.cpp
new file mode 100644
index 0000000000..d41ed5698a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Uniform.cpp
@@ -0,0 +1,179 @@
+//
+// Copyright 2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "libANGLE/Uniform.h"
+
+#include <cstring>
+
+namespace gl
+{
+
+ActiveVariable::ActiveVariable() {}
+
+ActiveVariable::~ActiveVariable() {}
+
+ActiveVariable::ActiveVariable(const ActiveVariable &rhs) = default;
+ActiveVariable &ActiveVariable::operator=(const ActiveVariable &rhs) = default;
+
+void ActiveVariable::setActive(ShaderType shaderType, bool used)
+{
+    ASSERT(shaderType != ShaderType::InvalidEnum);
+    mActiveUseBits.set(shaderType, used);
+}
+
+void ActiveVariable::unionReferencesWith(const ActiveVariable &other)
+{
+    mActiveUseBits |= other.mActiveUseBits;
+}
+
+ShaderType ActiveVariable::getFirstShaderTypeWhereActive() const
+{
+    return static_cast<ShaderType>(ScanForward(mActiveUseBits.bits()));
+}
+
+GLuint ActiveVariable::activeShaderCount() const
+{
+    return static_cast<GLuint>(mActiveUseBits.count());
+}
+
+LinkedUniform::LinkedUniform()
+    : typeInfo(nullptr),
+      bufferIndex(-1),
+      blockInfo(sh::kDefaultBlockMemberInfo),
+      outerArrayOffset(0)
+{}
+
+LinkedUniform::LinkedUniform(GLenum typeIn,
+                             GLenum precisionIn,
+                             const std::string &nameIn,
+                             const std::vector<unsigned int> &arraySizesIn,
+                             const int bindingIn,
+                             const int offsetIn,
+                             const int locationIn,
+                             const int bufferIndexIn,
+                             const sh::BlockMemberInfo &blockInfoIn)
+    : typeInfo(&GetUniformTypeInfo(typeIn)),
+      bufferIndex(bufferIndexIn),
+      blockInfo(blockInfoIn),
+      outerArrayOffset(0)
+{
+    type       = typeIn;
+    precision  = precisionIn;
+    name       = nameIn;
+    arraySizes = arraySizesIn;
+    binding    = bindingIn;
+    offset     = offsetIn;
+    location   = locationIn;
+    ASSERT(!isArrayOfArrays());
+    ASSERT(!isArray() || !isStruct());
+}
+
+LinkedUniform::LinkedUniform(const sh::ShaderVariable &uniform)
+    : sh::ShaderVariable(uniform),
+      typeInfo(&GetUniformTypeInfo(type)),
+      bufferIndex(-1),
+      blockInfo(sh::kDefaultBlockMemberInfo)
+{
+    ASSERT(!isArrayOfArrays());
+    ASSERT(!isArray() || !isStruct());
+}
+
+LinkedUniform::LinkedUniform(const LinkedUniform &uniform)
+    : sh::ShaderVariable(uniform),
+      ActiveVariable(uniform),
+      typeInfo(uniform.typeInfo),
+      bufferIndex(uniform.bufferIndex),
+      blockInfo(uniform.blockInfo),
+      outerArraySizes(uniform.outerArraySizes),
+      outerArrayOffset(uniform.outerArrayOffset)
+{}
+
+LinkedUniform &LinkedUniform::operator=(const LinkedUniform &uniform)
+{
+    sh::ShaderVariable::operator=(uniform);
+    ActiveVariable::operator    =(uniform);
+    typeInfo                    = uniform.typeInfo;
+    bufferIndex                 = uniform.bufferIndex;
+    blockInfo                   = uniform.blockInfo;
+    outerArraySizes             = uniform.outerArraySizes;
+    outerArrayOffset            = uniform.outerArrayOffset;
+    return *this;
+}
+
+LinkedUniform::~LinkedUniform() {}
+
+BufferVariable::BufferVariable()
+    : bufferIndex(-1), blockInfo(sh::kDefaultBlockMemberInfo), topLevelArraySize(-1)
+{}
+
+BufferVariable::BufferVariable(GLenum typeIn,
+                               GLenum precisionIn,
+                               const std::string &nameIn,
+                               const std::vector<unsigned int> &arraySizesIn,
+                               const int bufferIndexIn,
+                               const sh::BlockMemberInfo &blockInfoIn)
+    : bufferIndex(bufferIndexIn), blockInfo(blockInfoIn), topLevelArraySize(-1)
+{
+    type       = typeIn;
+    precision  = precisionIn;
+    name       = nameIn;
+    arraySizes = arraySizesIn;
+}
+
+BufferVariable::~BufferVariable() {}
+
+ShaderVariableBuffer::ShaderVariableBuffer() : binding(0), dataSize(0) {}
+
+ShaderVariableBuffer::ShaderVariableBuffer(const ShaderVariableBuffer &other) = default;
+
+ShaderVariableBuffer::~ShaderVariableBuffer() {}
+
+int ShaderVariableBuffer::numActiveVariables() const
+{
+    return static_cast<int>(memberIndexes.size());
+}
+
+InterfaceBlock::InterfaceBlock() : isArray(false), arrayElement(0) {}
+
+InterfaceBlock::InterfaceBlock(const std::string &nameIn,
+                               const std::string &mappedNameIn,
+                               bool isArrayIn,
+                               unsigned int arrayElementIn,
+                               unsigned int firstFieldArraySizeIn,
+                               int bindingIn)
+    : name(nameIn),
+      mappedName(mappedNameIn),
+      isArray(isArrayIn),
+      arrayElement(arrayElementIn),
+      firstFieldArraySize(firstFieldArraySizeIn)
+{
+    binding = bindingIn;
+}
+
+std::string InterfaceBlock::nameWithArrayIndex() const
+{
+    std::stringstream fullNameStr;
+    fullNameStr << name;
+    if (isArray)
+    {
+        fullNameStr << "[" << arrayElement << "]";
+    }
+
+    return fullNameStr.str();
+}
+
+std::string InterfaceBlock::mappedNameWithArrayIndex() const
+{
+    std::stringstream fullNameStr;
+    fullNameStr << mappedName;
+    if (isArray)
+    {
+        fullNameStr << "[" << arrayElement << "]";
+    }
+
+    return fullNameStr.str();
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/Uniform.h b/gfx/angle/checkout/src/libANGLE/Uniform.h
new file mode 100644
index 0000000000..5c15906779
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Uniform.h
@@ -0,0 +1,138 @@
+//
+// Copyright 2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef LIBANGLE_UNIFORM_H_
+#define LIBANGLE_UNIFORM_H_
+
+#include <string>
+#include <vector>
+
+#include "angle_gl.h"
+#include "common/MemoryBuffer.h"
+#include "common/debug.h"
+#include "common/utilities.h"
+#include "compiler/translator/blocklayout.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+struct UniformTypeInfo;
+
+struct ActiveVariable
+{
+    ActiveVariable();
+    ActiveVariable(const ActiveVariable &rhs);
+    virtual ~ActiveVariable();
+
+    ActiveVariable &operator=(const ActiveVariable &rhs);
+
+    ShaderType getFirstShaderTypeWhereActive() const;
+    void setActive(ShaderType shaderType, bool used);
+    void unionReferencesWith(const ActiveVariable &other);
+    bool isActive(ShaderType shaderType) const
+    {
+        ASSERT(shaderType != ShaderType::InvalidEnum);
+        return mActiveUseBits[shaderType];
+    }
+    ShaderBitSet activeShaders() const { return mActiveUseBits; }
+    GLuint activeShaderCount() const;
+
+  private:
+    ShaderBitSet mActiveUseBits;
+};
+
+// Helper struct representing a single shader uniform
+struct LinkedUniform : public sh::ShaderVariable, public ActiveVariable
+{
+    LinkedUniform();
+    LinkedUniform(GLenum type,
+                  GLenum precision,
+                  const std::string &name,
+                  const std::vector<unsigned int> &arraySizes,
+                  const int binding,
+                  const int offset,
+                  const int location,
+                  const int bufferIndex,
+                  const sh::BlockMemberInfo &blockInfo);
+    LinkedUniform(const sh::ShaderVariable &uniform);
+    LinkedUniform(const LinkedUniform &uniform);
+    LinkedUniform &operator=(const LinkedUniform &uniform);
+    ~LinkedUniform() override;
+
+    bool isSampler() const { return typeInfo->isSampler; }
+    bool isImage() const { return typeInfo->isImageType; }
+    bool isAtomicCounter() const { return IsAtomicCounterType(type); }
+    bool isInDefaultBlock() const { return bufferIndex == -1; }
+    bool isField() const { return name.find('.') != std::string::npos; }
+    size_t getElementSize() const { return typeInfo->externalSize; }
+    size_t getElementComponents() const { return typeInfo->componentCount; }
+
+    const UniformTypeInfo *typeInfo;
+
+    // Identifies the containing buffer backed resource -- interface block or atomic counter buffer.
+    int bufferIndex;
+    sh::BlockMemberInfo blockInfo;
+    std::vector<unsigned int> outerArraySizes;
+    unsigned int outerArrayOffset;
+};
+
+struct BufferVariable : public sh::ShaderVariable, public ActiveVariable
+{
+    BufferVariable();
+    BufferVariable(GLenum type,
+                   GLenum precision,
+                   const std::string &name,
+                   const std::vector<unsigned int> &arraySizes,
+                   const int bufferIndex,
+                   const sh::BlockMemberInfo &blockInfo);
+    ~BufferVariable() override;
+
+    int bufferIndex;
+    sh::BlockMemberInfo blockInfo;
+
+    int topLevelArraySize;
+};
+
+// Parent struct for atomic counter, uniform block, and shader storage block buffer, which all
+// contain a group of shader variables, and have a GL buffer backed.
+struct ShaderVariableBuffer : public ActiveVariable
+{
+    ShaderVariableBuffer();
+    ShaderVariableBuffer(const ShaderVariableBuffer &other);
+    ~ShaderVariableBuffer() override;
+    int numActiveVariables() const;
+
+    int binding;
+    unsigned int dataSize;
+    std::vector<unsigned int> memberIndexes;
+};
+
+using AtomicCounterBuffer = ShaderVariableBuffer;
+
+// Helper struct representing a single shader interface block
+struct InterfaceBlock : public ShaderVariableBuffer
+{
+    InterfaceBlock();
+    InterfaceBlock(const std::string &nameIn,
+                   const std::string &mappedNameIn,
+                   bool isArrayIn,
+                   unsigned int arrayElementIn,
+                   unsigned int firstFieldArraySizeIn,
+                   int bindingIn);
+
+    std::string nameWithArrayIndex() const;
+    std::string mappedNameWithArrayIndex() const;
+
+    std::string name;
+    std::string mappedName;
+    bool isArray;
+    unsigned int arrayElement;
+    unsigned int firstFieldArraySize;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_UNIFORM_H_
diff --git a/gfx/angle/checkout/src/libANGLE/VaryingPacking.cpp b/gfx/angle/checkout/src/libANGLE/VaryingPacking.cpp
new file mode 100644
index 0000000000..7dbb0cc2b8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/VaryingPacking.cpp
@@ -0,0 +1,1152 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// VaryingPacking:
+//   Class which describes a mapping from varyings to registers, according
+//   to the spec, or using custom packing algorithms. We also keep a register
+//   allocation list for the D3D renderer.
+//
+
+#include "libANGLE/VaryingPacking.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ProgramExecutable.h"
+#include "libANGLE/Shader.h"
+
+namespace gl
+{
+
+namespace
+{
+
+// true if varying x has a higher priority in packing than y
+bool ComparePackedVarying(const PackedVarying &x, const PackedVarying &y)
+{
+    // If the PackedVarying 'x' or 'y' to be compared is an array element for transform feedback,
+    // this clones an equivalent non-array shader variable 'vx' or 'vy' for actual comparison
+    // instead.  For I/O block arrays, the array index is used in the comparison.
+    sh::ShaderVariable vx, vy;
+    const sh::ShaderVariable *px, *py;
+
+    px = &x.varying();
+    py = &y.varying();
+
+    if (x.isTransformFeedbackArrayElement())
+    {
+        vx = *px;
+        vx.arraySizes.clear();
+        px = &vx;
+    }
+
+    if (y.isTransformFeedbackArrayElement())
+    {
+        vy = *py;
+        vy.arraySizes.clear();
+        py = &vy;
+    }
+
+    // Make sure struct fields end up together.
+    if (x.isStructField() != y.isStructField())
+    {
+        return x.isStructField();
+    }
+
+    if (x.isStructField())
+    {
+        ASSERT(y.isStructField());
+
+        if (x.getParentStructName() != y.getParentStructName())
+        {
+            return x.getParentStructName() < y.getParentStructName();
+        }
+    }
+
+    // For I/O block fields, order first by array index:
+    if (!x.isTransformFeedbackArrayElement() && !y.isTransformFeedbackArrayElement())
+    {
+        if (x.arrayIndex != y.arrayIndex)
+        {
+            return x.arrayIndex < y.arrayIndex;
+        }
+    }
+
+    // Then order by field index
+    if (x.fieldIndex != y.fieldIndex)
+    {
+        return x.fieldIndex < y.fieldIndex;
+    }
+
+    // Then order by secondary field index
+    if (x.secondaryFieldIndex != y.secondaryFieldIndex)
+    {
+        return x.secondaryFieldIndex < y.secondaryFieldIndex;
+    }
+
+    // Otherwise order by variable
+    return gl::CompareShaderVar(*px, *py);
+}
+
+bool InterfaceVariablesMatch(const sh::ShaderVariable &front, const sh::ShaderVariable &back)
+{
+    // Matching ruels from 7.4.1 Shader Interface Matching from the GLES 3.2 spec:
+    // - the two variables match in name, type, and qualification; or
+    // - the two variables are declared with the same location qualifier and match in type and
+    // qualification. Note that we use a more permissive check here thanks to front-end validation.
+    if (back.location != -1 && back.location == front.location)
+    {
+        return true;
+    }
+
+    if (front.isShaderIOBlock != back.isShaderIOBlock)
+    {
+        return false;
+    }
+
+    // Compare names, or if shader I/O blocks, block names.
+    const std::string &backName  = back.isShaderIOBlock ? back.structOrBlockName : back.name;
+    const std::string &frontName = front.isShaderIOBlock ? front.structOrBlockName : front.name;
+    return backName == frontName;
+}
+
+GLint GetMaxShaderInputVectors(const Caps &caps, ShaderType shaderStage)
+{
+    switch (shaderStage)
+    {
+        case ShaderType::TessControl:
+            return caps.maxTessControlInputComponents / 4;
+        case ShaderType::TessEvaluation:
+            return caps.maxTessEvaluationInputComponents / 4;
+        case ShaderType::Geometry:
+            return caps.maxGeometryInputComponents / 4;
+        case ShaderType::Fragment:
+            return caps.maxFragmentInputComponents / 4;
+        default:
+            return std::numeric_limits<GLint>::max();
+    }
+}
+
+GLint GetMaxShaderOutputVectors(const Caps &caps, ShaderType shaderStage)
+{
+    switch (shaderStage)
+    {
+        case ShaderType::Vertex:
+            return caps.maxVertexOutputComponents / 4;
+        case ShaderType::TessControl:
+            return caps.maxTessControlOutputComponents / 4;
+        case ShaderType::TessEvaluation:
+            return caps.maxTessEvaluationOutputComponents / 4;
+        case ShaderType::Geometry:
+            return caps.maxGeometryOutputComponents / 4;
+        default:
+            return std::numeric_limits<GLint>::max();
+    }
+}
+
+bool ShouldSkipPackedVarying(const sh::ShaderVariable &varying, PackMode packMode)
+{
+    // Don't pack gl_Position. Also don't count gl_PointSize for D3D9.
+    return varying.name == "gl_Position" ||
+           (varying.name == "gl_PointSize" && packMode == PackMode::ANGLE_NON_CONFORMANT_D3D9);
+}
+
+std::vector<unsigned int> StripVaryingArrayDimension(const sh::ShaderVariable *frontVarying,
+                                                     ShaderType frontShaderStage,
+                                                     const sh::ShaderVariable *backVarying,
+                                                     ShaderType backShaderStage,
+                                                     bool isStructField)
+{
+    // "Geometry shader inputs, tessellation control shader inputs and outputs, and tessellation
+    // evaluation inputs all have an additional level of arrayness relative to other shader inputs
+    // and outputs. This outer array level is removed from the type before considering how many
+    // locations the type consumes."
+
+    if (backVarying && backVarying->isArray() && !backVarying->isPatch && !isStructField &&
+        (backShaderStage == ShaderType::Geometry || backShaderStage == ShaderType::TessEvaluation ||
+         backShaderStage == ShaderType::TessControl))
+    {
+        std::vector<unsigned int> arr = backVarying->arraySizes;
+        arr.pop_back();
+        return arr;
+    }
+
+    if (frontVarying && frontVarying->isArray() && !frontVarying->isPatch && !isStructField &&
+        frontShaderStage == ShaderType::TessControl)
+    {
+        std::vector<unsigned int> arr = frontVarying->arraySizes;
+        arr.pop_back();
+        return arr;
+    }
+
+    return frontVarying ? frontVarying->arraySizes : backVarying->arraySizes;
+}
+}  // anonymous namespace
+
+// Implementation of VaryingInShaderRef
+VaryingInShaderRef::VaryingInShaderRef(ShaderType stageIn, const sh::ShaderVariable *varyingIn)
+    : varying(varyingIn), stage(stageIn)
+{}
+
+VaryingInShaderRef::~VaryingInShaderRef() = default;
+
+VaryingInShaderRef::VaryingInShaderRef(VaryingInShaderRef &&other)
+    : varying(other.varying),
+      stage(other.stage),
+      parentStructName(std::move(other.parentStructName)),
+      parentStructMappedName(std::move(other.parentStructMappedName))
+{}
+
+VaryingInShaderRef &VaryingInShaderRef::operator=(VaryingInShaderRef &&other)
+{
+    std::swap(varying, other.varying);
+    std::swap(stage, other.stage);
+    std::swap(parentStructName, other.parentStructName);
+    std::swap(parentStructMappedName, other.parentStructMappedName);
+
+    return *this;
+}
+
+// Implementation of PackedVarying
+PackedVarying::PackedVarying(VaryingInShaderRef &&frontVaryingIn,
+                             VaryingInShaderRef &&backVaryingIn,
+                             sh::InterpolationType interpolationIn)
+    : PackedVarying(std::move(frontVaryingIn),
+                    std::move(backVaryingIn),
+                    interpolationIn,
+                    GL_INVALID_INDEX,
+                    0,
+                    0)
+{}
+
+PackedVarying::PackedVarying(VaryingInShaderRef &&frontVaryingIn,
+                             VaryingInShaderRef &&backVaryingIn,
+                             sh::InterpolationType interpolationIn,
+                             GLuint arrayIndexIn,
+                             GLuint fieldIndexIn,
+                             GLuint secondaryFieldIndexIn)
+    : frontVarying(std::move(frontVaryingIn)),
+      backVarying(std::move(backVaryingIn)),
+      interpolation(interpolationIn),
+      arrayIndex(arrayIndexIn),
+      isTransformFeedback(false),
+      fieldIndex(fieldIndexIn),
+      secondaryFieldIndex(secondaryFieldIndexIn)
+{}
+
+PackedVarying::~PackedVarying() = default;
+
+PackedVarying::PackedVarying(PackedVarying &&other)
+    : frontVarying(std::move(other.frontVarying)),
+      backVarying(std::move(other.backVarying)),
+      interpolation(other.interpolation),
+      arrayIndex(other.arrayIndex),
+      isTransformFeedback(other.isTransformFeedback),
+      fieldIndex(other.fieldIndex),
+      secondaryFieldIndex(other.secondaryFieldIndex)
+{}
+
+PackedVarying &PackedVarying::operator=(PackedVarying &&other)
+{
+    std::swap(frontVarying, other.frontVarying);
+    std::swap(backVarying, other.backVarying);
+    std::swap(interpolation, other.interpolation);
+    std::swap(arrayIndex, other.arrayIndex);
+    std::swap(isTransformFeedback, other.isTransformFeedback);
+    std::swap(fieldIndex, other.fieldIndex);
+    std::swap(secondaryFieldIndex, other.secondaryFieldIndex);
+
+    return *this;
+}
+
+unsigned int PackedVarying::getBasicTypeElementCount() const
+{
+    // "Geometry shader inputs, tessellation control shader inputs and outputs, and tessellation
+    // evaluation inputs all have an additional level of arrayness relative to other shader inputs
+    // and outputs. This outer array level is removed from the type before considering how many
+    // locations the type consumes."
+    std::vector<unsigned int> arr =
+        StripVaryingArrayDimension(frontVarying.varying, frontVarying.stage, backVarying.varying,
+                                   backVarying.stage, isStructField());
+    return arr.empty() ? 1u : arr.back();
+}
+
+// Implementation of VaryingPacking
+VaryingPacking::VaryingPacking() = default;
+
+VaryingPacking::~VaryingPacking() = default;
+
+void VaryingPacking::reset()
+{
+    clearRegisterMap();
+    mRegisterList.clear();
+    mPackedVaryings.clear();
+
+    for (std::vector<std::string> &inactiveVaryingMappedNames : mInactiveVaryingMappedNames)
+    {
+        inactiveVaryingMappedNames.clear();
+    }
+
+    for (std::vector<std::string> &activeBuiltIns : mActiveOutputBuiltIns)
+    {
+        activeBuiltIns.clear();
+    }
+}
+
+void VaryingPacking::clearRegisterMap()
+{
+    std::fill(mRegisterMap.begin(), mRegisterMap.end(), Register());
+}
+
+// Packs varyings into generic varying registers, using the algorithm from
+// See [OpenGL ES Shading Language 1.00 rev. 17] appendix A section 7 page 111
+// Also [OpenGL ES Shading Language 3.00 rev. 4] Section 11 page 119
+// Returns false if unsuccessful.
+bool VaryingPacking::packVaryingIntoRegisterMap(PackMode packMode,
+                                                const PackedVarying &packedVarying)
+{
+    const sh::ShaderVariable &varying = packedVarying.varying();
+
+    // "Non - square matrices of type matCxR consume the same space as a square matrix of type matN
+    // where N is the greater of C and R."
+    // Here we are a bit more conservative and allow packing non-square matrices more tightly.
+    // Make sure we use transposed matrix types to count registers correctly.
+    ASSERT(!varying.isStruct());
+    GLenum transposedType       = gl::TransposeMatrixType(varying.type);
+    unsigned int varyingRows    = gl::VariableRowCount(transposedType);
+    unsigned int varyingColumns = gl::VariableColumnCount(transposedType);
+
+    // Special pack mode for D3D9. Each varying takes a full register, no sharing.
+    // TODO(jmadill): Implement more sophisticated component packing in D3D9.
+    if (packMode == PackMode::ANGLE_NON_CONFORMANT_D3D9)
+    {
+        varyingColumns = 4;
+    }
+
+    // "Variables of type mat2 occupies 2 complete rows."
+    // For non-WebGL contexts, we allow mat2 to occupy only two columns per row.
+    else if (packMode == PackMode::WEBGL_STRICT && varying.type == GL_FLOAT_MAT2)
+    {
+        varyingColumns = 4;
+    }
+
+    // "Arrays of size N are assumed to take N times the size of the base type"
+    // GLSL ES 3.10 section 4.3.6: Output variables cannot be arrays of arrays or arrays of
+    // structures, so we may use getBasicTypeElementCount().
+    const unsigned int elementCount = packedVarying.getBasicTypeElementCount();
+    varyingRows *= (packedVarying.isTransformFeedbackArrayElement() ? 1 : elementCount);
+
+    unsigned int maxVaryingVectors = static_cast<unsigned int>(mRegisterMap.size());
+
+    // Fail if we are packing a single over-large varying.
+    if (varyingRows > maxVaryingVectors)
+    {
+        return false;
+    }
+
+    // "For 2, 3 and 4 component variables packing is started using the 1st column of the 1st row.
+    // Variables are then allocated to successive rows, aligning them to the 1st column."
+    if (varyingColumns >= 2 && varyingColumns <= 4)
+    {
+        for (unsigned int row = 0; row <= maxVaryingVectors - varyingRows; ++row)
+        {
+            if (isRegisterRangeFree(row, 0, varyingRows, varyingColumns))
+            {
+                insertVaryingIntoRegisterMap(row, 0, varyingColumns, packedVarying);
+                return true;
+            }
+        }
+
+        // "For 2 component variables, when there are no spare rows, the strategy is switched to
+        // using the highest numbered row and the lowest numbered column where the variable will
+        // fit."
+        if (varyingColumns == 2)
+        {
+            for (unsigned int r = maxVaryingVectors - varyingRows + 1; r-- >= 1;)
+            {
+                if (isRegisterRangeFree(r, 2, varyingRows, 2))
+                {
+                    insertVaryingIntoRegisterMap(r, 2, varyingColumns, packedVarying);
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    // "1 component variables have their own packing rule. They are packed in order of size, largest
+    // first. Each variable is placed in the column that leaves the least amount of space in the
+    // column and aligned to the lowest available rows within that column."
+    ASSERT(varyingColumns == 1);
+    unsigned int contiguousSpace[4]     = {0};
+    unsigned int bestContiguousSpace[4] = {0};
+    unsigned int totalSpace[4]          = {0};
+
+    for (unsigned int row = 0; row < maxVaryingVectors; ++row)
+    {
+        for (unsigned int column = 0; column < 4; ++column)
+        {
+            if (mRegisterMap[row][column])
+            {
+                contiguousSpace[column] = 0;
+            }
+            else
+            {
+                contiguousSpace[column]++;
+                totalSpace[column]++;
+
+                if (contiguousSpace[column] > bestContiguousSpace[column])
+                {
+                    bestContiguousSpace[column] = contiguousSpace[column];
+                }
+            }
+        }
+    }
+
+    unsigned int bestColumn = 0;
+    for (unsigned int column = 1; column < 4; ++column)
+    {
+        if (bestContiguousSpace[column] >= varyingRows &&
+            (bestContiguousSpace[bestColumn] < varyingRows ||
+             totalSpace[column] < totalSpace[bestColumn]))
+        {
+            bestColumn = column;
+        }
+    }
+
+    if (bestContiguousSpace[bestColumn] >= varyingRows)
+    {
+        for (unsigned int row = 0; row < maxVaryingVectors; row++)
+        {
+            if (isRegisterRangeFree(row, bestColumn, varyingRows, 1))
+            {
+                for (unsigned int arrayIndex = 0; arrayIndex < varyingRows; ++arrayIndex)
+                {
+                    // If varyingRows > 1, it must be an array.
+                    PackedVaryingRegister registerInfo;
+                    registerInfo.packedVarying  = &packedVarying;
+                    registerInfo.registerRow    = row + arrayIndex;
+                    registerInfo.registerColumn = bestColumn;
+                    registerInfo.varyingArrayIndex =
+                        (packedVarying.isTransformFeedbackArrayElement() ? packedVarying.arrayIndex
+                                                                         : arrayIndex);
+                    registerInfo.varyingRowIndex = 0;
+                    // Do not record register info for builtins.
+                    // TODO(jmadill): Clean this up.
+                    if (!varying.isBuiltIn())
+                    {
+                        mRegisterList.push_back(registerInfo);
+                    }
+                    mRegisterMap[row + arrayIndex][bestColumn] = true;
+                }
+                break;
+            }
+        }
+        return true;
+    }
+
+    return false;
+}
+
+bool VaryingPacking::isRegisterRangeFree(unsigned int registerRow,
+                                         unsigned int registerColumn,
+                                         unsigned int varyingRows,
+                                         unsigned int varyingColumns) const
+{
+    for (unsigned int row = 0; row < varyingRows; ++row)
+    {
+        ASSERT(registerRow + row < mRegisterMap.size());
+        for (unsigned int column = 0; column < varyingColumns; ++column)
+        {
+            ASSERT(registerColumn + column < 4);
+            if (mRegisterMap[registerRow + row][registerColumn + column])
+            {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+void VaryingPacking::insertVaryingIntoRegisterMap(unsigned int registerRow,
+                                                  unsigned int registerColumn,
+                                                  unsigned int varyingColumns,
+                                                  const PackedVarying &packedVarying)
+{
+    unsigned int varyingRows = 0;
+
+    const sh::ShaderVariable &varying = packedVarying.varying();
+    ASSERT(!varying.isStruct());
+    GLenum transposedType = gl::TransposeMatrixType(varying.type);
+    varyingRows           = gl::VariableRowCount(transposedType);
+
+    PackedVaryingRegister registerInfo;
+    registerInfo.packedVarying  = &packedVarying;
+    registerInfo.registerColumn = registerColumn;
+
+    // GLSL ES 3.10 section 4.3.6: Output variables cannot be arrays of arrays or arrays of
+    // structures, so we may use getBasicTypeElementCount().
+    const unsigned int arrayElementCount = packedVarying.getBasicTypeElementCount();
+    for (unsigned int arrayElement = 0; arrayElement < arrayElementCount; ++arrayElement)
+    {
+        if (packedVarying.isTransformFeedbackArrayElement() &&
+            arrayElement != packedVarying.arrayIndex)
+        {
+            continue;
+        }
+        for (unsigned int varyingRow = 0; varyingRow < varyingRows; ++varyingRow)
+        {
+            registerInfo.registerRow     = registerRow + (arrayElement * varyingRows) + varyingRow;
+            registerInfo.varyingRowIndex = varyingRow;
+            registerInfo.varyingArrayIndex = arrayElement;
+            // Do not record register info for builtins.
+            // TODO(jmadill): Clean this up.
+            if (!varying.isBuiltIn())
+            {
+                mRegisterList.push_back(registerInfo);
+            }
+
+            for (unsigned int columnIndex = 0; columnIndex < varyingColumns; ++columnIndex)
+            {
+                mRegisterMap[registerInfo.registerRow][registerColumn + columnIndex] = true;
+            }
+        }
+    }
+}
+
+void VaryingPacking::collectUserVarying(const ProgramVaryingRef &ref,
+                                        VaryingUniqueFullNames *uniqueFullNames)
+{
+    const sh::ShaderVariable *input  = ref.frontShader;
+    const sh::ShaderVariable *output = ref.backShader;
+
+    // Will get the vertex shader interpolation by default.
+    sh::InterpolationType interpolation = input ? input->interpolation : output->interpolation;
+
+    VaryingInShaderRef frontVarying(ref.frontShaderStage, input);
+    VaryingInShaderRef backVarying(ref.backShaderStage, output);
+
+    mPackedVaryings.emplace_back(std::move(frontVarying), std::move(backVarying), interpolation);
+    if (input && !input->isBuiltIn())
+    {
+        (*uniqueFullNames)[ref.frontShaderStage].insert(
+            mPackedVaryings.back().fullName(ref.frontShaderStage));
+    }
+    if (output && !output->isBuiltIn())
+    {
+        (*uniqueFullNames)[ref.backShaderStage].insert(
+            mPackedVaryings.back().fullName(ref.backShaderStage));
+    }
+}
+
+void VaryingPacking::collectUserVaryingField(const ProgramVaryingRef &ref,
+                                             GLuint arrayIndex,
+                                             GLuint fieldIndex,
+                                             GLuint secondaryFieldIndex,
+                                             VaryingUniqueFullNames *uniqueFullNames)
+{
+    const sh::ShaderVariable *input  = ref.frontShader;
+    const sh::ShaderVariable *output = ref.backShader;
+
+    // Will get the vertex shader interpolation by default.
+    sh::InterpolationType interpolation = input ? input->interpolation : output->interpolation;
+
+    const sh::ShaderVariable *frontField = input ? &input->fields[fieldIndex] : nullptr;
+    const sh::ShaderVariable *backField  = output ? &output->fields[fieldIndex] : nullptr;
+
+    if (secondaryFieldIndex != GL_INVALID_INDEX)
+    {
+        frontField = frontField ? &frontField->fields[secondaryFieldIndex] : nullptr;
+        backField  = backField ? &backField->fields[secondaryFieldIndex] : nullptr;
+    }
+
+    VaryingInShaderRef frontVarying(ref.frontShaderStage, frontField);
+    VaryingInShaderRef backVarying(ref.backShaderStage, backField);
+
+    if (input)
+    {
+        if (frontField->isShaderIOBlock)
+        {
+            frontVarying.parentStructName       = input->structOrBlockName;
+            frontVarying.parentStructMappedName = input->mappedStructOrBlockName;
+        }
+        else
+        {
+            ASSERT(!frontField->isStruct() && !frontField->isArray());
+            frontVarying.parentStructName       = input->name;
+            frontVarying.parentStructMappedName = input->mappedName;
+        }
+    }
+    if (output)
+    {
+        if (backField->isShaderIOBlock)
+        {
+            backVarying.parentStructName       = output->structOrBlockName;
+            backVarying.parentStructMappedName = output->mappedStructOrBlockName;
+        }
+        else
+        {
+            ASSERT(!backField->isStruct() && !backField->isArray());
+            backVarying.parentStructName       = output->name;
+            backVarying.parentStructMappedName = output->mappedName;
+        }
+    }
+
+    mPackedVaryings.emplace_back(std::move(frontVarying), std::move(backVarying), interpolation,
+                                 arrayIndex, fieldIndex,
+                                 secondaryFieldIndex == GL_INVALID_INDEX ? 0 : secondaryFieldIndex);
+
+    if (input)
+    {
+        (*uniqueFullNames)[ref.frontShaderStage].insert(
+            mPackedVaryings.back().fullName(ref.frontShaderStage));
+    }
+    if (output)
+    {
+        (*uniqueFullNames)[ref.backShaderStage].insert(
+            mPackedVaryings.back().fullName(ref.backShaderStage));
+    }
+}
+
+void VaryingPacking::collectUserVaryingTF(const ProgramVaryingRef &ref, size_t subscript)
+{
+    const sh::ShaderVariable *input = ref.frontShader;
+
+    VaryingInShaderRef frontVarying(ref.frontShaderStage, input);
+    VaryingInShaderRef backVarying(ref.backShaderStage, nullptr);
+
+    mPackedVaryings.emplace_back(std::move(frontVarying), std::move(backVarying),
+                                 input->interpolation);
+    mPackedVaryings.back().arrayIndex          = static_cast<GLuint>(subscript);
+    mPackedVaryings.back().isTransformFeedback = true;
+}
+
+void VaryingPacking::collectUserVaryingFieldTF(const ProgramVaryingRef &ref,
+                                               const sh::ShaderVariable &field,
+                                               GLuint fieldIndex,
+                                               GLuint secondaryFieldIndex)
+{
+    const sh::ShaderVariable *input = ref.frontShader;
+
+    const sh::ShaderVariable *frontField = &field;
+    if (secondaryFieldIndex != GL_INVALID_INDEX)
+    {
+        frontField = &frontField->fields[secondaryFieldIndex];
+    }
+
+    VaryingInShaderRef frontVarying(ref.frontShaderStage, frontField);
+    VaryingInShaderRef backVarying(ref.backShaderStage, nullptr);
+
+    if (frontField->isShaderIOBlock)
+    {
+        frontVarying.parentStructName       = input->structOrBlockName;
+        frontVarying.parentStructMappedName = input->mappedStructOrBlockName;
+    }
+    else
+    {
+        ASSERT(!frontField->isStruct() && !frontField->isArray());
+        frontVarying.parentStructName       = input->name;
+        frontVarying.parentStructMappedName = input->mappedName;
+    }
+
+    mPackedVaryings.emplace_back(std::move(frontVarying), std::move(backVarying),
+                                 input->interpolation, GL_INVALID_INDEX, fieldIndex,
+                                 secondaryFieldIndex == GL_INVALID_INDEX ? 0 : secondaryFieldIndex);
+}
+
+void VaryingPacking::collectVarying(const sh::ShaderVariable &varying,
+                                    const ProgramVaryingRef &ref,
+                                    PackMode packMode,
+                                    VaryingUniqueFullNames *uniqueFullNames)
+{
+    const sh::ShaderVariable *input  = ref.frontShader;
+    const sh::ShaderVariable *output = ref.backShader;
+
+    if (varying.isStruct())
+    {
+        std::vector<unsigned int> arraySizes = StripVaryingArrayDimension(
+            ref.frontShader, ref.frontShaderStage, ref.backShader, ref.backShaderStage, false);
+        const bool isArray     = !arraySizes.empty();
+        const GLuint arraySize = isArray ? arraySizes[0] : 1;
+
+        for (GLuint arrayIndex = 0; arrayIndex < arraySize; ++arrayIndex)
+        {
+            const GLuint effectiveArrayIndex = isArray ? arrayIndex : GL_INVALID_INDEX;
+            for (GLuint fieldIndex = 0; fieldIndex < varying.fields.size(); ++fieldIndex)
+            {
+                const sh::ShaderVariable &fieldVarying = varying.fields[fieldIndex];
+                if (ShouldSkipPackedVarying(fieldVarying, packMode))
+                {
+                    continue;
+                }
+
+                if (fieldVarying.isStruct())
+                {
+                    if (fieldVarying.isArray())
+                    {
+                        unsigned int structFieldArraySize = fieldVarying.arraySizes[0];
+                        for (unsigned int fieldArrayIndex = 0;
+                             fieldArrayIndex < structFieldArraySize; ++fieldArrayIndex)
+                        {
+                            for (GLuint nestedIndex = 0; nestedIndex < fieldVarying.fields.size();
+                                 nestedIndex++)
+                            {
+                                collectUserVaryingField(ref, effectiveArrayIndex, fieldIndex,
+                                                        nestedIndex, uniqueFullNames);
+                            }
+                        }
+                    }
+                    else
+                    {
+                        for (GLuint nestedIndex = 0; nestedIndex < fieldVarying.fields.size();
+                             nestedIndex++)
+                        {
+                            collectUserVaryingField(ref, effectiveArrayIndex, fieldIndex,
+                                                    nestedIndex, uniqueFullNames);
+                        }
+                    }
+                }
+                else
+                {
+                    collectUserVaryingField(ref, effectiveArrayIndex, fieldIndex, GL_INVALID_INDEX,
+                                            uniqueFullNames);
+                }
+            }
+        }
+        if (input)
+        {
+            (*uniqueFullNames)[ref.frontShaderStage].insert(input->name);
+            if (input->isShaderIOBlock)
+            {
+                (*uniqueFullNames)[ref.frontShaderStage].insert(input->structOrBlockName);
+            }
+        }
+        if (output)
+        {
+            (*uniqueFullNames)[ref.backShaderStage].insert(output->name);
+        }
+    }
+    else
+    {
+        collectUserVarying(ref, uniqueFullNames);
+    }
+}
+
+void VaryingPacking::collectTFVarying(const std::string &tfVarying,
+                                      const ProgramVaryingRef &ref,
+                                      VaryingUniqueFullNames *uniqueFullNames)
+{
+    const sh::ShaderVariable *input = ref.frontShader;
+
+    std::vector<unsigned int> subscripts;
+    std::string baseName = ParseResourceName(tfVarying, &subscripts);
+
+    // Already packed as active varying.
+    if ((*uniqueFullNames)[ref.frontShaderStage].count(tfVarying) > 0 ||
+        (*uniqueFullNames)[ref.frontShaderStage].count(baseName) > 0 ||
+        (input->isShaderIOBlock &&
+         (*uniqueFullNames)[ref.frontShaderStage].count(input->structOrBlockName) > 0))
+    {
+        return;
+    }
+
+    if (input->isStruct())
+    {
+        GLuint fieldIndex               = 0;
+        const sh::ShaderVariable *field = input->findField(tfVarying, &fieldIndex);
+        if (field != nullptr)
+        {
+            ASSERT(input->isShaderIOBlock || (!field->isStruct() && !field->isArray()));
+
+            // If it's an I/O block whose member is being captured, pack every member of the
+            // block.  Currently, we pack either all or none of an I/O block.
+            if (input->isShaderIOBlock)
+            {
+                for (fieldIndex = 0; fieldIndex < input->fields.size(); ++fieldIndex)
+                {
+                    if (input->fields[fieldIndex].isStruct())
+                    {
+
+                        for (GLuint nestedIndex = 0;
+                             nestedIndex < input->fields[fieldIndex].fields.size(); nestedIndex++)
+                        {
+                            collectUserVaryingFieldTF(ref, input->fields[fieldIndex], fieldIndex,
+                                                      nestedIndex);
+                        }
+                    }
+                    else
+                    {
+                        collectUserVaryingFieldTF(ref, input->fields[fieldIndex], fieldIndex,
+                                                  GL_INVALID_INDEX);
+                    }
+                }
+
+                (*uniqueFullNames)[ref.frontShaderStage].insert(input->structOrBlockName);
+            }
+            else
+            {
+                collectUserVaryingFieldTF(ref, *field, fieldIndex, GL_INVALID_INDEX);
+            }
+            (*uniqueFullNames)[ref.frontShaderStage].insert(tfVarying);
+            (*uniqueFullNames)[ref.frontShaderStage].insert(input->name);
+        }
+    }
+    // Array as a whole and array element conflict has already been checked in
+    // linkValidateTransformFeedback.
+    else if (baseName == input->name)
+    {
+        size_t subscript = GL_INVALID_INDEX;
+        if (!subscripts.empty())
+        {
+            subscript = subscripts.back();
+        }
+
+        // only pack varyings that are not builtins.
+        if (tfVarying.compare(0, 3, "gl_") != 0)
+        {
+            collectUserVaryingTF(ref, subscript);
+            (*uniqueFullNames)[ref.frontShaderStage].insert(tfVarying);
+        }
+    }
+}
+
+bool VaryingPacking::collectAndPackUserVaryings(gl::InfoLog &infoLog,
+                                                GLint maxVaryingVectors,
+                                                PackMode packMode,
+                                                ShaderType frontShaderStage,
+                                                ShaderType backShaderStage,
+                                                const ProgramMergedVaryings &mergedVaryings,
+                                                const std::vector<std::string> &tfVaryings,
+                                                const bool isSeparableProgram)
+{
+    VaryingUniqueFullNames uniqueFullNames;
+
+    reset();
+
+    for (const ProgramVaryingRef &ref : mergedVaryings)
+    {
+        const sh::ShaderVariable *input  = ref.frontShader;
+        const sh::ShaderVariable *output = ref.backShader;
+
+        if ((input && ref.frontShaderStage != frontShaderStage) ||
+            (output && ref.backShaderStage != backShaderStage))
+        {
+            continue;
+        }
+
+        const bool isActiveBuiltInInput  = input && input->isBuiltIn() && input->active;
+        const bool isActiveBuiltInOutput = output && output->isBuiltIn() && output->active;
+
+        // Keep track of output builtins that are used by the shader, such as gl_Position,
+        // gl_PointSize etc.
+        if (isActiveBuiltInInput)
+        {
+            mActiveOutputBuiltIns[ref.frontShaderStage].push_back(input->name);
+            // Keep track of members of builtins, such as gl_out[].gl_Position, too.
+            for (sh::ShaderVariable field : input->fields)
+            {
+                mActiveOutputBuiltIns[ref.frontShaderStage].push_back(field.name);
+            }
+        }
+
+        // Only pack statically used varyings that have a matched input or output, plus special
+        // builtins. Note that we pack all statically used user-defined varyings even if they are
+        // not active. GLES specs are a bit vague on whether it's allowed to only pack active
+        // varyings, though GLES 3.1 spec section 11.1.2.1 says that "device-dependent
+        // optimizations" may be used to make vertex shader outputs fit.
+        //
+        // When separable programs are linked, varyings at the separable program's boundary are
+        // treated as active. See section 7.4.1 in
+        // https://www.khronos.org/registry/OpenGL/specs/es/3.2/es_spec_3.2.pdf
+        bool matchedInputOutputStaticUse = (input && output && output->staticUse);
+        bool activeBuiltIn               = (isActiveBuiltInInput || isActiveBuiltInOutput);
+
+        // Output variable in TCS can be read as input in another invocation by barrier.
+        // See section 11.2.1.2.4 Tessellation Control Shader Execution Order in OpenGL ES 3.2.
+        bool staticUseInTCS =
+            (input && input->staticUse && ref.frontShaderStage == ShaderType::TessControl);
+
+        // Separable program requirements
+        bool separableActiveInput  = (input && (input->active || !output));
+        bool separableActiveOutput = (output && (output->active || !input));
+        bool separableActiveVarying =
+            (isSeparableProgram && (separableActiveInput || separableActiveOutput));
+
+        if (matchedInputOutputStaticUse || activeBuiltIn || separableActiveVarying ||
+            staticUseInTCS)
+        {
+            const sh::ShaderVariable *varying = output ? output : input;
+
+            if (!ShouldSkipPackedVarying(*varying, packMode))
+            {
+                collectVarying(*varying, ref, packMode, &uniqueFullNames);
+                continue;
+            }
+        }
+
+        // If the varying is not used in the input, we know it is inactive, unless it's a separable
+        // program, in which case the input shader may not exist in this program.
+        if (!input && !isSeparableProgram)
+        {
+            if (!output->isBuiltIn())
+            {
+                mInactiveVaryingMappedNames[ref.backShaderStage].push_back(output->mappedName);
+                if (output->isShaderIOBlock)
+                {
+                    mInactiveVaryingMappedNames[ref.backShaderStage].push_back(
+                        output->mappedStructOrBlockName);
+                }
+            }
+            continue;
+        }
+
+        // Keep Transform FB varyings in the merged list always.
+        for (const std::string &tfVarying : tfVaryings)
+        {
+            collectTFVarying(tfVarying, ref, &uniqueFullNames);
+        }
+
+        if (input && !input->isBuiltIn() &&
+            uniqueFullNames[ref.frontShaderStage].count(input->name) == 0)
+        {
+            mInactiveVaryingMappedNames[ref.frontShaderStage].push_back(input->mappedName);
+            if (input->isShaderIOBlock)
+            {
+                mInactiveVaryingMappedNames[ref.frontShaderStage].push_back(
+                    input->mappedStructOrBlockName);
+            }
+        }
+        if (output && !output->isBuiltIn() &&
+            uniqueFullNames[ref.backShaderStage].count(output->name) == 0)
+        {
+            mInactiveVaryingMappedNames[ref.backShaderStage].push_back(output->mappedName);
+            if (output->isShaderIOBlock)
+            {
+                mInactiveVaryingMappedNames[ref.backShaderStage].push_back(
+                    output->mappedStructOrBlockName);
+            }
+        }
+    }
+
+    std::sort(mPackedVaryings.begin(), mPackedVaryings.end(), ComparePackedVarying);
+
+    return packUserVaryings(infoLog, maxVaryingVectors, packMode, mPackedVaryings);
+}
+
+// See comment on packVarying.
+bool VaryingPacking::packUserVaryings(gl::InfoLog &infoLog,
+                                      GLint maxVaryingVectors,
+                                      PackMode packMode,
+                                      const std::vector<PackedVarying> &packedVaryings)
+{
+    clearRegisterMap();
+    mRegisterMap.resize(maxVaryingVectors);
+
+    // "Variables are packed into the registers one at a time so that they each occupy a contiguous
+    // subrectangle. No splitting of variables is permitted."
+    for (const PackedVarying &packedVarying : packedVaryings)
+    {
+        if (!packVaryingIntoRegisterMap(packMode, packedVarying))
+        {
+            ShaderType eitherStage = packedVarying.frontVarying.varying
+                                         ? packedVarying.frontVarying.stage
+                                         : packedVarying.backVarying.stage;
+            infoLog << "Could not pack varying " << packedVarying.fullName(eitherStage);
+
+            // TODO(jmadill): Implement more sophisticated component packing in D3D9.
+            if (packMode == PackMode::ANGLE_NON_CONFORMANT_D3D9)
+            {
+                infoLog << "Note: Additional non-conformant packing restrictions are enforced on "
+                           "D3D9.";
+            }
+
+            return false;
+        }
+    }
+
+    // Sort the packed register list
+    std::sort(mRegisterList.begin(), mRegisterList.end());
+
+    return true;
+}
+
+// ProgramVaryingPacking implementation.
+ProgramVaryingPacking::ProgramVaryingPacking() = default;
+
+ProgramVaryingPacking::~ProgramVaryingPacking() = default;
+
+const VaryingPacking &ProgramVaryingPacking::getInputPacking(ShaderType backShaderStage) const
+{
+    ShaderType frontShaderStage = mBackToFrontStageMap[backShaderStage];
+
+    // If there's a missing shader stage, return the compute shader packing which is always empty.
+    if (frontShaderStage == ShaderType::InvalidEnum)
+    {
+        ASSERT(mVaryingPackings[ShaderType::Compute].getMaxSemanticIndex() == 0);
+        return mVaryingPackings[ShaderType::Compute];
+    }
+
+    return mVaryingPackings[frontShaderStage];
+}
+
+const VaryingPacking &ProgramVaryingPacking::getOutputPacking(ShaderType frontShaderStage) const
+{
+    return mVaryingPackings[frontShaderStage];
+}
+
+bool ProgramVaryingPacking::collectAndPackUserVaryings(InfoLog &infoLog,
+                                                       const Caps &caps,
+                                                       PackMode packMode,
+                                                       const ShaderBitSet &activeShadersMask,
+                                                       const ProgramMergedVaryings &mergedVaryings,
+                                                       const std::vector<std::string> &tfVaryings,
+                                                       bool isSeparableProgram)
+{
+    mBackToFrontStageMap.fill(ShaderType::InvalidEnum);
+
+    ShaderBitSet activeShaders = activeShadersMask;
+
+    ASSERT(activeShaders.any());
+    ShaderType frontShaderStage     = activeShaders.first();
+    activeShaders[frontShaderStage] = false;
+
+    // Special case for start-after-vertex.
+    if (frontShaderStage != ShaderType::Vertex)
+    {
+        ShaderType emulatedFrontShaderStage = ShaderType::Vertex;
+        ShaderType backShaderStage          = frontShaderStage;
+
+        if (!mVaryingPackings[emulatedFrontShaderStage].collectAndPackUserVaryings(
+                infoLog, GetMaxShaderInputVectors(caps, backShaderStage), packMode,
+                ShaderType::InvalidEnum, backShaderStage, mergedVaryings, tfVaryings,
+                isSeparableProgram))
+        {
+            return false;
+        }
+        mBackToFrontStageMap[backShaderStage] = emulatedFrontShaderStage;
+    }
+
+    // Process input/output shader pairs.
+    for (ShaderType backShaderStage : activeShaders)
+    {
+        GLint maxVaryingVectors;
+        if (frontShaderStage == ShaderType::Vertex && backShaderStage == ShaderType::Fragment)
+        {
+            maxVaryingVectors = caps.maxVaryingVectors;
+        }
+        else
+        {
+            GLint outputVaryingsMax = GetMaxShaderOutputVectors(caps, frontShaderStage);
+            GLint inputVaryingsMax  = GetMaxShaderInputVectors(caps, backShaderStage);
+            maxVaryingVectors       = std::min(inputVaryingsMax, outputVaryingsMax);
+        }
+
+        ASSERT(maxVaryingVectors > 0 && maxVaryingVectors < std::numeric_limits<GLint>::max());
+
+        if (!mVaryingPackings[frontShaderStage].collectAndPackUserVaryings(
+                infoLog, maxVaryingVectors, packMode, frontShaderStage, backShaderStage,
+                mergedVaryings, tfVaryings, isSeparableProgram))
+        {
+            return false;
+        }
+
+        mBackToFrontStageMap[backShaderStage] = frontShaderStage;
+        frontShaderStage                      = backShaderStage;
+    }
+
+    // Special case for stop-before-fragment.
+    if (frontShaderStage != ShaderType::Fragment)
+    {
+        if (!mVaryingPackings[frontShaderStage].collectAndPackUserVaryings(
+                infoLog, GetMaxShaderOutputVectors(caps, frontShaderStage), packMode,
+                frontShaderStage, ShaderType::InvalidEnum, mergedVaryings, tfVaryings,
+                isSeparableProgram))
+        {
+            return false;
+        }
+
+        ShaderType emulatedBackShaderStage            = ShaderType::Fragment;
+        mBackToFrontStageMap[emulatedBackShaderStage] = frontShaderStage;
+    }
+
+    return true;
+}
+
+ProgramMergedVaryings GetMergedVaryingsFromLinkingVariables(
+    const LinkingVariables &linkingVariables)
+{
+    ShaderType frontShaderType = ShaderType::InvalidEnum;
+    ProgramMergedVaryings merged;
+
+    for (ShaderType backShaderType : kAllGraphicsShaderTypes)
+    {
+        if (!linkingVariables.isShaderStageUsedBitset[backShaderType])
+        {
+            continue;
+        }
+        const std::vector<sh::ShaderVariable> &backShaderOutputVaryings =
+            linkingVariables.outputVaryings[backShaderType];
+        const std::vector<sh::ShaderVariable> &backShaderInputVaryings =
+            linkingVariables.inputVaryings[backShaderType];
+
+        // Add outputs. These are always unmatched since we walk shader stages sequentially.
+        for (const sh::ShaderVariable &frontVarying : backShaderOutputVaryings)
+        {
+            ProgramVaryingRef ref;
+            ref.frontShader      = &frontVarying;
+            ref.frontShaderStage = backShaderType;
+            merged.push_back(ref);
+        }
+
+        if (frontShaderType == ShaderType::InvalidEnum)
+        {
+            // If this is our first shader stage, and not a VS, we might have unmatched inputs.
+            for (const sh::ShaderVariable &backVarying : backShaderInputVaryings)
+            {
+                ProgramVaryingRef ref;
+                ref.backShader      = &backVarying;
+                ref.backShaderStage = backShaderType;
+                merged.push_back(ref);
+            }
+        }
+        else
+        {
+            // Match inputs with the prior shader stage outputs.
+            for (const sh::ShaderVariable &backVarying : backShaderInputVaryings)
+            {
+                bool found = false;
+                for (ProgramVaryingRef &ref : merged)
+                {
+                    if (ref.frontShader && ref.frontShaderStage == frontShaderType &&
+                        InterfaceVariablesMatch(*ref.frontShader, backVarying))
+                    {
+                        ASSERT(ref.backShader == nullptr);
+
+                        ref.backShader      = &backVarying;
+                        ref.backShaderStage = backShaderType;
+                        found               = true;
+                        break;
+                    }
+                }
+
+                // Some outputs are never matched, e.g. some builtin variables.
+                if (!found)
+                {
+                    ProgramVaryingRef ref;
+                    ref.backShader      = &backVarying;
+                    ref.backShaderStage = backShaderType;
+                    merged.push_back(ref);
+                }
+            }
+        }
+
+        // Save the current back shader to use as the next front shader.
+        frontShaderType = backShaderType;
+    }
+
+    return merged;
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/VaryingPacking.h b/gfx/angle/checkout/src/libANGLE/VaryingPacking.h
new file mode 100644
index 0000000000..3edb9326be
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/VaryingPacking.h
@@ -0,0 +1,329 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// VaryingPacking:
+//   Class which describes a mapping from varyings to registers, according
+//   to the spec, or using custom packing algorithms. We also keep a register
+//   allocation list for the D3D renderer.
+//
+
+#ifndef LIBANGLE_VARYINGPACKING_H_
+#define LIBANGLE_VARYINGPACKING_H_
+
+#include <GLSLANG/ShaderVars.h>
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/angletypes.h"
+
+#include <map>
+
+namespace gl
+{
+class InfoLog;
+class ProgramExecutable;
+struct Caps;
+struct LinkingVariables;
+struct ProgramVaryingRef;
+
+using ProgramMergedVaryings = std::vector<ProgramVaryingRef>;
+
+// A varying can have different names between stages if matched by the location layout qualifier.
+// Additionally, same name varyings could still be of two identical struct types with different
+// names.  This struct contains information on the varying in one of the two stages.  PackedVarying
+// will thus contain two copies of this along with common information, such as interpolation or
+// field index.
+struct VaryingInShaderRef : angle::NonCopyable
+{
+    VaryingInShaderRef(ShaderType stageIn, const sh::ShaderVariable *varyingIn);
+    VaryingInShaderRef(VaryingInShaderRef &&other);
+    ~VaryingInShaderRef();
+
+    VaryingInShaderRef &operator=(VaryingInShaderRef &&other);
+
+    const sh::ShaderVariable *varying;
+
+    ShaderType stage;
+
+    // Struct name
+    std::string parentStructName;
+    std::string parentStructMappedName;
+};
+
+struct PackedVarying : angle::NonCopyable
+{
+    // Throughout this file, the "front" stage refers to the stage that outputs the varying, and the
+    // "back" stage refers to the stage that takes the varying as input.  Note that this struct
+    // contains linked varyings, which means both front and back stage varyings are valid, except
+    // for the following which may have only one valid stage.
+    //
+    //  - transform-feedback-captured varyings
+    //  - builtins
+    //  - separable program stages,
+    //
+    PackedVarying(VaryingInShaderRef &&frontVaryingIn,
+                  VaryingInShaderRef &&backVaryingIn,
+                  sh::InterpolationType interpolationIn);
+    PackedVarying(VaryingInShaderRef &&frontVaryingIn,
+                  VaryingInShaderRef &&backVaryingIn,
+                  sh::InterpolationType interpolationIn,
+                  GLuint arrayIndexIn,
+                  GLuint fieldIndexIn,
+                  GLuint secondaryFieldIndexIn);
+    PackedVarying(PackedVarying &&other);
+    ~PackedVarying();
+
+    PackedVarying &operator=(PackedVarying &&other);
+
+    bool isStructField() const
+    {
+        return frontVarying.varying ? !frontVarying.parentStructName.empty()
+                                    : !backVarying.parentStructName.empty();
+    }
+
+    bool isTransformFeedbackArrayElement() const
+    {
+        return isTransformFeedback && arrayIndex != GL_INVALID_INDEX;
+    }
+
+    // Return either front or back varying, whichever is available.  Only used when the name of the
+    // varying is not important, but only the type is interesting.
+    const sh::ShaderVariable &varying() const
+    {
+        return frontVarying.varying ? *frontVarying.varying : *backVarying.varying;
+    }
+
+    const std::string &getParentStructName() const
+    {
+        ASSERT(isStructField());
+        return frontVarying.varying ? frontVarying.parentStructName : backVarying.parentStructName;
+    }
+
+    std::string fullName(ShaderType stage) const
+    {
+        ASSERT(stage == frontVarying.stage || stage == backVarying.stage);
+        const VaryingInShaderRef &varying =
+            stage == frontVarying.stage ? frontVarying : backVarying;
+
+        std::stringstream fullNameStr;
+        if (isStructField())
+        {
+            fullNameStr << varying.parentStructName << ".";
+        }
+
+        fullNameStr << varying.varying->name;
+        if (arrayIndex != GL_INVALID_INDEX)
+        {
+            fullNameStr << "[" << arrayIndex << "]";
+        }
+        return fullNameStr.str();
+    }
+
+    // Transform feedback varyings can be only referenced in the VS.
+    bool vertexOnly() const
+    {
+        return frontVarying.stage == ShaderType::Vertex && backVarying.varying == nullptr;
+    }
+
+    // Special handling for GS/TS array inputs.
+    unsigned int getBasicTypeElementCount() const;
+
+    VaryingInShaderRef frontVarying;
+    VaryingInShaderRef backVarying;
+
+    // Cached so we can store sh::ShaderVariable to point to varying fields.
+    sh::InterpolationType interpolation;
+
+    // Used by varyings that are captured with transform feedback, xor arrays of shader I/O blocks,
+    // distinguished by isTransformFeedback;
+    GLuint arrayIndex;
+    bool isTransformFeedback;
+
+    // Field index in the struct.  In Vulkan, this is used to assign a
+    // struct-typed varying location to the location of its first field.
+    GLuint fieldIndex;
+    GLuint secondaryFieldIndex;
+};
+
+struct PackedVaryingRegister final
+{
+    PackedVaryingRegister()
+        : packedVarying(nullptr),
+          varyingArrayIndex(0),
+          varyingRowIndex(0),
+          registerRow(0),
+          registerColumn(0)
+    {}
+
+    PackedVaryingRegister(const PackedVaryingRegister &)            = default;
+    PackedVaryingRegister &operator=(const PackedVaryingRegister &) = default;
+
+    bool operator<(const PackedVaryingRegister &other) const
+    {
+        return sortOrder() < other.sortOrder();
+    }
+
+    unsigned int sortOrder() const
+    {
+        // TODO(jmadill): Handle interpolation types
+        return registerRow * 4 + registerColumn;
+    }
+
+    std::string tfVaryingName() const
+    {
+        return packedVarying->fullName(packedVarying->frontVarying.stage);
+    }
+
+    // Index to the array of varyings.
+    const PackedVarying *packedVarying;
+
+    // The array element of the packed varying.
+    unsigned int varyingArrayIndex;
+
+    // The row of the array element of the packed varying.
+    unsigned int varyingRowIndex;
+
+    // The register row to which we've assigned this packed varying.
+    unsigned int registerRow;
+
+    // The column of the register row into which we've packed this varying.
+    unsigned int registerColumn;
+};
+
+// Supported packing modes:
+enum class PackMode
+{
+    // We treat mat2 arrays as taking two full rows.
+    WEBGL_STRICT,
+
+    // We allow mat2 to take a 2x2 chunk.
+    ANGLE_RELAXED,
+
+    // Each varying takes a separate register. No register sharing.
+    ANGLE_NON_CONFORMANT_D3D9,
+};
+
+class VaryingPacking final : angle::NonCopyable
+{
+  public:
+    VaryingPacking();
+    ~VaryingPacking();
+
+    [[nodiscard]] bool collectAndPackUserVaryings(InfoLog &infoLog,
+                                                  GLint maxVaryingVectors,
+                                                  PackMode packMode,
+                                                  ShaderType frontShaderStage,
+                                                  ShaderType backShaderStage,
+                                                  const ProgramMergedVaryings &mergedVaryings,
+                                                  const std::vector<std::string> &tfVaryings,
+                                                  const bool isSeparableProgram);
+
+    struct Register
+    {
+        Register() { data[0] = data[1] = data[2] = data[3] = false; }
+
+        bool &operator[](unsigned int index) { return data[index]; }
+        bool operator[](unsigned int index) const { return data[index]; }
+
+        bool data[4];
+    };
+
+    Register &operator[](unsigned int index) { return mRegisterMap[index]; }
+    const Register &operator[](unsigned int index) const { return mRegisterMap[index]; }
+
+    const std::vector<PackedVaryingRegister> &getRegisterList() const { return mRegisterList; }
+    unsigned int getMaxSemanticIndex() const
+    {
+        return static_cast<unsigned int>(mRegisterList.size());
+    }
+
+    const ShaderMap<std::vector<std::string>> &getInactiveVaryingMappedNames() const
+    {
+        return mInactiveVaryingMappedNames;
+    }
+
+    const ShaderMap<std::vector<std::string>> &getActiveOutputBuiltInNames() const
+    {
+        return mActiveOutputBuiltIns;
+    }
+
+    void reset();
+
+  private:
+    using VaryingUniqueFullNames = ShaderMap<std::set<std::string>>;
+
+    // Register map functions.
+    bool packUserVaryings(InfoLog &infoLog,
+                          GLint maxVaryingVectors,
+                          PackMode packMode,
+                          const std::vector<PackedVarying> &packedVaryings);
+    bool packVaryingIntoRegisterMap(PackMode packMode, const PackedVarying &packedVarying);
+    bool isRegisterRangeFree(unsigned int registerRow,
+                             unsigned int registerColumn,
+                             unsigned int varyingRows,
+                             unsigned int varyingColumns) const;
+    void insertVaryingIntoRegisterMap(unsigned int registerRow,
+                                      unsigned int registerColumn,
+                                      unsigned int varyingColumns,
+                                      const PackedVarying &packedVarying);
+    void clearRegisterMap();
+
+    // Collection functions.
+    void collectUserVarying(const ProgramVaryingRef &ref, VaryingUniqueFullNames *uniqueFullNames);
+    void collectUserVaryingField(const ProgramVaryingRef &ref,
+                                 GLuint arrayIndex,
+                                 GLuint fieldIndex,
+                                 GLuint secondaryFieldIndex,
+                                 VaryingUniqueFullNames *uniqueFullNames);
+    void collectUserVaryingTF(const ProgramVaryingRef &ref, size_t subscript);
+    void collectUserVaryingFieldTF(const ProgramVaryingRef &ref,
+                                   const sh::ShaderVariable &field,
+                                   GLuint fieldIndex,
+                                   GLuint secondaryFieldIndex);
+    void collectVarying(const sh::ShaderVariable &varying,
+                        const ProgramVaryingRef &ref,
+                        PackMode packMode,
+                        VaryingUniqueFullNames *uniqueFullNames);
+    void collectTFVarying(const std::string &tfVarying,
+                          const ProgramVaryingRef &ref,
+                          VaryingUniqueFullNames *uniqueFullNames);
+
+    std::vector<Register> mRegisterMap;
+    std::vector<PackedVaryingRegister> mRegisterList;
+    std::vector<PackedVarying> mPackedVaryings;
+    ShaderMap<std::vector<std::string>> mInactiveVaryingMappedNames;
+    ShaderMap<std::vector<std::string>> mActiveOutputBuiltIns;
+};
+
+class ProgramVaryingPacking final : angle::NonCopyable
+{
+  public:
+    ProgramVaryingPacking();
+    ~ProgramVaryingPacking();
+
+    const VaryingPacking &getInputPacking(ShaderType backShaderStage) const;
+    const VaryingPacking &getOutputPacking(ShaderType frontShaderStage) const;
+
+    [[nodiscard]] bool collectAndPackUserVaryings(InfoLog &infoLog,
+                                                  const Caps &caps,
+                                                  PackMode packMode,
+                                                  const ShaderBitSet &activeShadersMask,
+                                                  const ProgramMergedVaryings &mergedVaryings,
+                                                  const std::vector<std::string> &tfVaryings,
+                                                  bool isSeparableProgram);
+
+  private:
+    // Indexed by the front shader.
+    ShaderMap<VaryingPacking> mVaryingPackings;
+
+    // Looks up the front stage from the back stage.
+    ShaderMap<ShaderType> mBackToFrontStageMap;
+};
+
+ProgramMergedVaryings GetMergedVaryingsFromLinkingVariables(
+    const LinkingVariables &linkingVariables);
+}  // namespace gl
+
+#endif  // LIBANGLE_VARYINGPACKING_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Version.h b/gfx/angle/checkout/src/libANGLE/Version.h
new file mode 100644
index 0000000000..0d3b502d21
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Version.h
@@ -0,0 +1,34 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Version.h: Encapsulation of a GL version.
+
+#ifndef LIBANGLE_VERSION_H_
+#define LIBANGLE_VERSION_H_
+
+namespace gl
+{
+
+struct Version
+{
+    constexpr Version();
+    constexpr Version(unsigned int major, unsigned int minor);
+
+    unsigned int major;
+    unsigned int minor;
+};
+
+bool operator==(const Version &a, const Version &b);
+bool operator!=(const Version &a, const Version &b);
+bool operator>=(const Version &a, const Version &b);
+bool operator<=(const Version &a, const Version &b);
+bool operator<(const Version &a, const Version &b);
+bool operator>(const Version &a, const Version &b);
+}  // namespace gl
+
+#include "Version.inc"
+
+#endif  // LIBANGLE_VERSION_H_
diff --git a/gfx/angle/checkout/src/libANGLE/Version.inc b/gfx/angle/checkout/src/libANGLE/Version.inc
new file mode 100644
index 0000000000..a2bab8dc1f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Version.inc
@@ -0,0 +1,59 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Version.inc: Encapsulation of a GL version.
+
+#include <tuple>
+
+namespace gl
+{
+
+constexpr Version::Version()
+    : Version(0, 0)
+{
+}
+
+// Avoid conflicts with linux system defines
+#undef major
+#undef minor
+
+constexpr Version::Version(unsigned int major_, unsigned int minor_)
+    : major(major_),
+      minor(minor_)
+{
+}
+
+inline bool operator==(const Version &a, const Version &b)
+{
+    return std::tie(a.major, a.minor) == std::tie(b.major, b.minor);
+}
+
+inline bool operator!=(const Version &a, const Version &b)
+{
+    return std::tie(a.major, a.minor) != std::tie(b.major, b.minor);
+}
+
+inline bool operator>=(const Version &a, const Version &b)
+{
+    return std::tie(a.major, a.minor) >= std::tie(b.major, b.minor);
+}
+
+inline bool operator<=(const Version &a, const Version &b)
+{
+    return std::tie(a.major, a.minor) <= std::tie(b.major, b.minor);
+}
+
+inline bool operator<(const Version &a, const Version &b)
+{
+    return std::tie(a.major, a.minor) < std::tie(b.major, b.minor);
+}
+
+inline bool operator>(const Version &a, const Version &b)
+{
+    return std::tie(a.major, a.minor) > std::tie(b.major, b.minor);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/VertexArray.cpp b/gfx/angle/checkout/src/libANGLE/VertexArray.cpp
new file mode 100644
index 0000000000..2a9bcd7cc0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/VertexArray.cpp
@@ -0,0 +1,906 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Implementation of the state class for mananging GLES 3 Vertex Array Objects.
+//
+
+#include "libANGLE/VertexArray.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/BufferImpl.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/VertexArrayImpl.h"
+
+namespace gl
+{
+namespace
+{
+constexpr size_t kMaxObserverCountToTriggerUnobserve = 20;
+
+bool IsElementArrayBufferSubjectIndex(angle::SubjectIndex subjectIndex)
+{
+    return (subjectIndex == kElementArrayBufferIndex);
+}
+}  // namespace
+
+// VertexArrayState implementation.
+VertexArrayState::VertexArrayState(VertexArray *vertexArray,
+                                   size_t maxAttribs,
+                                   size_t maxAttribBindings)
+    : mElementArrayBuffer(vertexArray, kElementArrayBufferIndex)
+{
+    ASSERT(maxAttribs <= maxAttribBindings);
+
+    for (size_t i = 0; i < maxAttribs; i++)
+    {
+        mVertexAttributes.emplace_back(static_cast<GLuint>(i));
+        mVertexBindings.emplace_back(static_cast<GLuint>(i));
+    }
+
+    // Initially all attributes start as "client" with no buffer bound.
+    mClientMemoryAttribsMask.set();
+}
+
+VertexArrayState::~VertexArrayState() {}
+
+bool VertexArrayState::hasEnabledNullPointerClientArray() const
+{
+    return (mNullPointerClientMemoryAttribsMask & mEnabledAttributesMask).any();
+}
+
+AttributesMask VertexArrayState::getBindingToAttributesMask(GLuint bindingIndex) const
+{
+    ASSERT(bindingIndex < mVertexBindings.size());
+    return mVertexBindings[bindingIndex].getBoundAttributesMask();
+}
+
+// Set an attribute using a new binding.
+void VertexArrayState::setAttribBinding(const Context *context,
+                                        size_t attribIndex,
+                                        GLuint newBindingIndex)
+{
+    ASSERT(attribIndex < mVertexAttributes.size() && newBindingIndex < mVertexBindings.size());
+
+    VertexAttribute &attrib = mVertexAttributes[attribIndex];
+
+    // Update the binding-attribute map.
+    const GLuint oldBindingIndex = attrib.bindingIndex;
+    ASSERT(oldBindingIndex != newBindingIndex);
+
+    VertexBinding &oldBinding = mVertexBindings[oldBindingIndex];
+    VertexBinding &newBinding = mVertexBindings[newBindingIndex];
+
+    ASSERT(oldBinding.getBoundAttributesMask().test(attribIndex) &&
+           !newBinding.getBoundAttributesMask().test(attribIndex));
+
+    oldBinding.resetBoundAttribute(attribIndex);
+    newBinding.setBoundAttribute(attribIndex);
+
+    // Set the attribute using the new binding.
+    attrib.bindingIndex = newBindingIndex;
+
+    if (context->isBufferAccessValidationEnabled())
+    {
+        attrib.updateCachedElementLimit(newBinding);
+    }
+
+    bool isMapped = newBinding.getBuffer().get() && newBinding.getBuffer()->isMapped();
+    mCachedMappedArrayBuffers.set(attribIndex, isMapped);
+    mEnabledAttributesMask.set(attribIndex, attrib.enabled);
+    updateCachedMutableOrNonPersistentArrayBuffers(attribIndex);
+    mCachedInvalidMappedArrayBuffer = mCachedMappedArrayBuffers & mEnabledAttributesMask &
+                                      mCachedMutableOrImpersistentArrayBuffers;
+}
+
+void VertexArrayState::updateCachedMutableOrNonPersistentArrayBuffers(size_t index)
+{
+    const VertexBinding &vertexBinding   = mVertexBindings[index];
+    const BindingPointer<Buffer> &buffer = vertexBinding.getBuffer();
+    bool isMutableOrImpersistentArrayBuffer =
+        buffer.get() &&
+        (!buffer->isImmutable() || (buffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) == 0);
+    mCachedMutableOrImpersistentArrayBuffers.set(index, isMutableOrImpersistentArrayBuffer);
+}
+
+// VertexArray implementation.
+VertexArray::VertexArray(rx::GLImplFactory *factory,
+                         VertexArrayID id,
+                         size_t maxAttribs,
+                         size_t maxAttribBindings)
+    : mId(id),
+      mState(this, maxAttribs, maxAttribBindings),
+      mVertexArray(factory->createVertexArray(mState)),
+      mBufferAccessValidationEnabled(false),
+      mContentsObservers(this)
+{
+    for (size_t attribIndex = 0; attribIndex < maxAttribBindings; ++attribIndex)
+    {
+        mArrayBufferObserverBindings.emplace_back(this, attribIndex);
+    }
+
+    mVertexArray->setContentsObservers(&mContentsObservers);
+}
+
+void VertexArray::onDestroy(const Context *context)
+{
+    bool isBound = context->isCurrentVertexArray(this);
+    for (uint32_t bindingIndex = 0; bindingIndex < mState.mVertexBindings.size(); ++bindingIndex)
+    {
+        VertexBinding &binding = mState.mVertexBindings[bindingIndex];
+        Buffer *buffer         = binding.getBuffer().get();
+        if (isBound)
+        {
+            if (buffer)
+            {
+                buffer->onNonTFBindingChanged(-1);
+            }
+        }
+        if (buffer)
+        {
+            // Note: the non-contents observer is unbound in the ObserverBinding destructor.
+            buffer->removeContentsObserver(this, bindingIndex);
+        }
+        binding.setBuffer(context, nullptr);
+    }
+    if (mState.mElementArrayBuffer.get())
+    {
+        if (isBound)
+        {
+            mState.mElementArrayBuffer->onNonTFBindingChanged(-1);
+        }
+        mState.mElementArrayBuffer->removeContentsObserver(this, kElementArrayBufferIndex);
+    }
+    mState.mElementArrayBuffer.bind(context, nullptr);
+
+    // If mDirtyObserverBindingBits is set, it means we have removed it from the buffer's observer
+    // list. We should unassign subject to avoid assertion.
+    for (size_t bindingIndex : mDirtyObserverBindingBits)
+    {
+        angle::ObserverBinding *observer = &mArrayBufferObserverBindings[bindingIndex];
+        observer->assignSubject(nullptr);
+    }
+
+    mVertexArray->destroy(context);
+    SafeDelete(mVertexArray);
+    delete this;
+}
+
+VertexArray::~VertexArray()
+{
+    ASSERT(!mVertexArray);
+}
+
+angle::Result VertexArray::setLabel(const Context *context, const std::string &label)
+{
+    mState.mLabel = label;
+
+    if (mVertexArray)
+    {
+        return mVertexArray->onLabelUpdate(context);
+    }
+    return angle::Result::Continue;
+}
+
+const std::string &VertexArray::getLabel() const
+{
+    return mState.mLabel;
+}
+
+bool VertexArray::detachBuffer(const Context *context, BufferID bufferID)
+{
+    bool isBound           = context->isCurrentVertexArray(this);
+    bool anyBufferDetached = false;
+    for (uint32_t bindingIndex = 0; bindingIndex < mState.mVertexBindings.size(); ++bindingIndex)
+    {
+        VertexBinding &binding                      = mState.mVertexBindings[bindingIndex];
+        const BindingPointer<Buffer> &bufferBinding = binding.getBuffer();
+        if (bufferBinding.id() == bufferID)
+        {
+            if (isBound)
+            {
+                if (bufferBinding.get())
+                    bufferBinding->onNonTFBindingChanged(-1);
+            }
+            bufferBinding->removeContentsObserver(this, bindingIndex);
+            binding.setBuffer(context, nullptr);
+            mArrayBufferObserverBindings[bindingIndex].reset();
+
+            if (context->getClientVersion() >= ES_3_1)
+            {
+                setDirtyBindingBit(bindingIndex, DIRTY_BINDING_BUFFER);
+            }
+            else
+            {
+                static_assert(gl::MAX_VERTEX_ATTRIB_BINDINGS < 8 * sizeof(uint32_t),
+                              "Not enough bits in bindingIndex");
+                // The redundant uint32_t cast here is required to avoid a warning on MSVC.
+                ASSERT(binding.getBoundAttributesMask() ==
+                       AttributesMask(static_cast<uint32_t>(1 << bindingIndex)));
+                setDirtyAttribBit(bindingIndex, DIRTY_ATTRIB_POINTER);
+            }
+
+            anyBufferDetached = true;
+            mState.mClientMemoryAttribsMask |= binding.getBoundAttributesMask();
+        }
+    }
+
+    if (mState.mElementArrayBuffer.get() && mState.mElementArrayBuffer->id() == bufferID)
+    {
+        if (isBound && mState.mElementArrayBuffer.get())
+            mState.mElementArrayBuffer->onNonTFBindingChanged(-1);
+        mState.mElementArrayBuffer->removeContentsObserver(this, kElementArrayBufferIndex);
+        mState.mElementArrayBuffer.bind(context, nullptr);
+        mDirtyBits.set(DIRTY_BIT_ELEMENT_ARRAY_BUFFER);
+        anyBufferDetached = true;
+    }
+
+    return anyBufferDetached;
+}
+
+const VertexAttribute &VertexArray::getVertexAttribute(size_t attribIndex) const
+{
+    ASSERT(attribIndex < getMaxAttribs());
+    return mState.mVertexAttributes[attribIndex];
+}
+
+const VertexBinding &VertexArray::getVertexBinding(size_t bindingIndex) const
+{
+    ASSERT(bindingIndex < getMaxBindings());
+    return mState.mVertexBindings[bindingIndex];
+}
+
+size_t VertexArray::GetVertexIndexFromDirtyBit(size_t dirtyBit)
+{
+    static_assert(gl::MAX_VERTEX_ATTRIBS == gl::MAX_VERTEX_ATTRIB_BINDINGS,
+                  "The stride of vertex attributes should equal to that of vertex bindings.");
+    ASSERT(dirtyBit > DIRTY_BIT_ELEMENT_ARRAY_BUFFER);
+    return (dirtyBit - DIRTY_BIT_ATTRIB_0) % gl::MAX_VERTEX_ATTRIBS;
+}
+
+ANGLE_INLINE void VertexArray::setDirtyAttribBit(size_t attribIndex,
+                                                 DirtyAttribBitType dirtyAttribBit)
+{
+    mDirtyBits.set(DIRTY_BIT_ATTRIB_0 + attribIndex);
+    mDirtyAttribBits[attribIndex].set(dirtyAttribBit);
+}
+
+ANGLE_INLINE void VertexArray::clearDirtyAttribBit(size_t attribIndex,
+                                                   DirtyAttribBitType dirtyAttribBit)
+{
+    mDirtyAttribBits[attribIndex].set(dirtyAttribBit, false);
+    if (mDirtyAttribBits[attribIndex].any())
+    {
+        return;
+    }
+    mDirtyBits.set(DIRTY_BIT_ATTRIB_0 + attribIndex, false);
+}
+
+ANGLE_INLINE void VertexArray::setDirtyBindingBit(size_t bindingIndex,
+                                                  DirtyBindingBitType dirtyBindingBit)
+{
+    mDirtyBits.set(DIRTY_BIT_BINDING_0 + bindingIndex);
+    mDirtyBindingBits[bindingIndex].set(dirtyBindingBit);
+}
+
+ANGLE_INLINE void VertexArray::updateCachedBufferBindingSize(VertexBinding *binding)
+{
+    if (!mBufferAccessValidationEnabled)
+        return;
+
+    for (size_t boundAttribute : binding->getBoundAttributesMask())
+    {
+        mState.mVertexAttributes[boundAttribute].updateCachedElementLimit(*binding);
+    }
+}
+
+ANGLE_INLINE void VertexArray::updateCachedArrayBuffersMasks(
+    bool isMapped,
+    bool isImmutable,
+    bool isPersistent,
+    const AttributesMask &boundAttributesMask)
+{
+    if (isMapped)
+    {
+        mState.mCachedMappedArrayBuffers |= boundAttributesMask;
+    }
+    else
+    {
+        mState.mCachedMappedArrayBuffers &= ~boundAttributesMask;
+    }
+
+    if (!isImmutable || !isPersistent)
+    {
+        mState.mCachedMutableOrImpersistentArrayBuffers |= boundAttributesMask;
+    }
+    else
+    {
+        mState.mCachedMutableOrImpersistentArrayBuffers &= ~boundAttributesMask;
+    }
+
+    mState.mCachedInvalidMappedArrayBuffer = mState.mCachedMappedArrayBuffers &
+                                             mState.mEnabledAttributesMask &
+                                             mState.mCachedMutableOrImpersistentArrayBuffers;
+}
+
+ANGLE_INLINE void VertexArray::updateCachedMappedArrayBuffersBinding(const VertexBinding &binding)
+{
+    const Buffer *buffer = binding.getBuffer().get();
+    bool isMapped        = buffer && buffer->isMapped();
+    bool isImmutable     = buffer && buffer->isImmutable();
+    bool isPersistent    = buffer && (buffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) != 0;
+    return updateCachedArrayBuffersMasks(isMapped, isImmutable, isPersistent,
+                                         binding.getBoundAttributesMask());
+}
+
+ANGLE_INLINE void VertexArray::updateCachedTransformFeedbackBindingValidation(size_t bindingIndex,
+                                                                              const Buffer *buffer)
+{
+    const bool hasConflict = buffer && buffer->hasWebGLXFBBindingConflict(true);
+    mCachedTransformFeedbackConflictedBindingsMask.set(bindingIndex, hasConflict);
+}
+
+bool VertexArray::bindVertexBufferImpl(const Context *context,
+                                       size_t bindingIndex,
+                                       Buffer *boundBuffer,
+                                       GLintptr offset,
+                                       GLsizei stride)
+{
+    ASSERT(bindingIndex < getMaxBindings());
+    ASSERT(context->isCurrentVertexArray(this));
+
+    VertexBinding *binding = &mState.mVertexBindings[bindingIndex];
+
+    Buffer *oldBuffer = binding->getBuffer().get();
+
+    const bool sameBuffer = oldBuffer == boundBuffer;
+    const bool sameStride = static_cast<GLuint>(stride) == binding->getStride();
+    const bool sameOffset = offset == binding->getOffset();
+
+    if (sameBuffer && sameStride && sameOffset)
+    {
+        return false;
+    }
+
+    angle::ObserverBinding *observer = &mArrayBufferObserverBindings[bindingIndex];
+    observer->assignSubject(boundBuffer);
+
+    // Several nullptr checks are combined here for optimization purposes.
+    if (oldBuffer)
+    {
+        oldBuffer->onNonTFBindingChanged(-1);
+        oldBuffer->removeObserver(observer);
+        oldBuffer->removeContentsObserver(this, static_cast<uint32_t>(bindingIndex));
+        oldBuffer->release(context);
+    }
+
+    binding->assignBuffer(boundBuffer);
+    binding->setOffset(offset);
+    binding->setStride(stride);
+    updateCachedBufferBindingSize(binding);
+
+    // Update client memory attribute pointers. Affects all bound attributes.
+    if (boundBuffer)
+    {
+        boundBuffer->addRef();
+        boundBuffer->onNonTFBindingChanged(1);
+        boundBuffer->addObserver(observer);
+        if (context->isWebGL())
+        {
+            mCachedTransformFeedbackConflictedBindingsMask.set(
+                bindingIndex, boundBuffer->hasWebGLXFBBindingConflict(true));
+        }
+        mState.mClientMemoryAttribsMask &= ~binding->getBoundAttributesMask();
+
+        bool isMapped     = boundBuffer->isMapped() == GL_TRUE;
+        bool isImmutable  = boundBuffer->isImmutable() == GL_TRUE;
+        bool isPersistent = (boundBuffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) != 0;
+        updateCachedArrayBuffersMasks(isMapped, isImmutable, isPersistent,
+                                      binding->getBoundAttributesMask());
+    }
+    else
+    {
+        if (context->isWebGL())
+        {
+            mCachedTransformFeedbackConflictedBindingsMask.set(bindingIndex, false);
+        }
+        mState.mClientMemoryAttribsMask |= binding->getBoundAttributesMask();
+        updateCachedArrayBuffersMasks(false, false, false, binding->getBoundAttributesMask());
+    }
+
+    return true;
+}
+
+void VertexArray::bindVertexBuffer(const Context *context,
+                                   size_t bindingIndex,
+                                   Buffer *boundBuffer,
+                                   GLintptr offset,
+                                   GLsizei stride)
+{
+    if (bindVertexBufferImpl(context, bindingIndex, boundBuffer, offset, stride))
+    {
+        setDirtyBindingBit(bindingIndex, DIRTY_BINDING_BUFFER);
+    }
+}
+
+void VertexArray::setVertexAttribBinding(const Context *context,
+                                         size_t attribIndex,
+                                         GLuint bindingIndex)
+{
+    ASSERT(attribIndex < getMaxAttribs() && bindingIndex < getMaxBindings());
+
+    if (mState.mVertexAttributes[attribIndex].bindingIndex == bindingIndex)
+    {
+        return;
+    }
+
+    // In ES 3.0 contexts, the binding cannot change, hence the code below is unreachable.
+    ASSERT(context->getClientVersion() >= ES_3_1);
+
+    mState.setAttribBinding(context, attribIndex, bindingIndex);
+
+    setDirtyAttribBit(attribIndex, DIRTY_ATTRIB_BINDING);
+
+    // Update client attribs mask.
+    bool hasBuffer = mState.mVertexBindings[bindingIndex].getBuffer().get() != nullptr;
+    mState.mClientMemoryAttribsMask.set(attribIndex, !hasBuffer);
+}
+
+void VertexArray::setVertexBindingDivisor(const Context *context,
+                                          size_t bindingIndex,
+                                          GLuint divisor)
+{
+    ASSERT(bindingIndex < getMaxBindings());
+
+    VertexBinding &binding = mState.mVertexBindings[bindingIndex];
+
+    if (binding.getDivisor() == divisor)
+    {
+        return;
+    }
+
+    binding.setDivisor(divisor);
+    setDirtyBindingBit(bindingIndex, DIRTY_BINDING_DIVISOR);
+
+    // Trigger updates in all bound attributes.
+    if (context->isBufferAccessValidationEnabled())
+    {
+        for (size_t attribIndex : binding.getBoundAttributesMask())
+        {
+            mState.mVertexAttributes[attribIndex].updateCachedElementLimit(binding);
+        }
+    }
+}
+
+ANGLE_INLINE bool VertexArray::setVertexAttribFormatImpl(VertexAttribute *attrib,
+                                                         GLint size,
+                                                         VertexAttribType type,
+                                                         bool normalized,
+                                                         bool pureInteger,
+                                                         GLuint relativeOffset)
+{
+    angle::FormatID formatID = gl::GetVertexFormatID(type, normalized, size, pureInteger);
+
+    if (formatID != attrib->format->id || attrib->relativeOffset != relativeOffset)
+    {
+        attrib->relativeOffset = relativeOffset;
+        attrib->format         = &angle::Format::Get(formatID);
+        return true;
+    }
+
+    return false;
+}
+
+void VertexArray::setVertexAttribFormat(size_t attribIndex,
+                                        GLint size,
+                                        VertexAttribType type,
+                                        bool normalized,
+                                        bool pureInteger,
+                                        GLuint relativeOffset)
+{
+    VertexAttribute &attrib = mState.mVertexAttributes[attribIndex];
+
+    ComponentType componentType = GetVertexAttributeComponentType(pureInteger, type);
+    SetComponentTypeMask(componentType, attribIndex, &mState.mVertexAttributesTypeMask);
+
+    if (setVertexAttribFormatImpl(&attrib, size, type, normalized, pureInteger, relativeOffset))
+    {
+        setDirtyAttribBit(attribIndex, DIRTY_ATTRIB_FORMAT);
+    }
+
+    attrib.updateCachedElementLimit(mState.mVertexBindings[attrib.bindingIndex]);
+}
+
+void VertexArray::setVertexAttribDivisor(const Context *context, size_t attribIndex, GLuint divisor)
+{
+    ASSERT(attribIndex < getMaxAttribs());
+
+    setVertexAttribBinding(context, attribIndex, static_cast<GLuint>(attribIndex));
+    setVertexBindingDivisor(context, attribIndex, divisor);
+}
+
+void VertexArray::enableAttribute(size_t attribIndex, bool enabledState)
+{
+    ASSERT(attribIndex < getMaxAttribs());
+
+    VertexAttribute &attrib = mState.mVertexAttributes[attribIndex];
+
+    if (mState.mEnabledAttributesMask.test(attribIndex) == enabledState)
+    {
+        return;
+    }
+
+    attrib.enabled = enabledState;
+
+    // Update state cache
+    mState.mEnabledAttributesMask.set(attribIndex, enabledState);
+    bool enableChanged = (mState.mEnabledAttributesMask.test(attribIndex) !=
+                          mState.mLastSyncedEnabledAttributesMask.test(attribIndex));
+
+    if (enableChanged)
+    {
+        setDirtyAttribBit(attribIndex, DIRTY_ATTRIB_ENABLED);
+    }
+    else
+    {
+        clearDirtyAttribBit(attribIndex, DIRTY_ATTRIB_ENABLED);
+    }
+
+    mState.updateCachedMutableOrNonPersistentArrayBuffers(attribIndex);
+    mState.mCachedInvalidMappedArrayBuffer = mState.mCachedMappedArrayBuffers &
+                                             mState.mEnabledAttributesMask &
+                                             mState.mCachedMutableOrImpersistentArrayBuffers;
+}
+
+ANGLE_INLINE void VertexArray::setVertexAttribPointerImpl(const Context *context,
+                                                          ComponentType componentType,
+                                                          bool pureInteger,
+                                                          size_t attribIndex,
+                                                          Buffer *boundBuffer,
+                                                          GLint size,
+                                                          VertexAttribType type,
+                                                          bool normalized,
+                                                          GLsizei stride,
+                                                          const void *pointer)
+{
+    ASSERT(attribIndex < getMaxAttribs());
+
+    VertexAttribute &attrib = mState.mVertexAttributes[attribIndex];
+
+    SetComponentTypeMask(componentType, attribIndex, &mState.mVertexAttributesTypeMask);
+
+    bool attribDirty = setVertexAttribFormatImpl(&attrib, size, type, normalized, pureInteger, 0);
+
+    if (attrib.bindingIndex != attribIndex)
+    {
+        setVertexAttribBinding(context, attribIndex, static_cast<GLuint>(attribIndex));
+    }
+
+    GLsizei effectiveStride =
+        stride == 0 ? static_cast<GLsizei>(ComputeVertexAttributeTypeSize(attrib)) : stride;
+
+    if (attrib.vertexAttribArrayStride != static_cast<GLuint>(stride))
+    {
+        attribDirty = true;
+    }
+    attrib.vertexAttribArrayStride = stride;
+
+    // If we switch from an array buffer to a client pointer(or vice-versa), we set the whole
+    // attribute dirty. This notifies the Vulkan back-end to update all its caches.
+    const VertexBinding &binding = mState.mVertexBindings[attribIndex];
+    if ((boundBuffer == nullptr) != (binding.getBuffer().get() == nullptr))
+    {
+        attribDirty = true;
+    }
+
+    // Change of attrib.pointer is not part of attribDirty. Pointer is actually the buffer offset
+    // which is handled within bindVertexBufferImpl and reflected in bufferDirty.
+    attrib.pointer  = pointer;
+    GLintptr offset = boundBuffer ? reinterpret_cast<GLintptr>(pointer) : 0;
+    const bool bufferDirty =
+        bindVertexBufferImpl(context, attribIndex, boundBuffer, offset, effectiveStride);
+
+    if (attribDirty)
+    {
+        setDirtyAttribBit(attribIndex, DIRTY_ATTRIB_POINTER);
+    }
+    else if (bufferDirty)
+    {
+        setDirtyAttribBit(attribIndex, DIRTY_ATTRIB_POINTER_BUFFER);
+    }
+
+    mState.mNullPointerClientMemoryAttribsMask.set(attribIndex,
+                                                   boundBuffer == nullptr && pointer == nullptr);
+}
+
+void VertexArray::setVertexAttribPointer(const Context *context,
+                                         size_t attribIndex,
+                                         gl::Buffer *boundBuffer,
+                                         GLint size,
+                                         VertexAttribType type,
+                                         bool normalized,
+                                         GLsizei stride,
+                                         const void *pointer)
+{
+    setVertexAttribPointerImpl(context, ComponentType::Float, false, attribIndex, boundBuffer, size,
+                               type, normalized, stride, pointer);
+}
+
+void VertexArray::setVertexAttribIPointer(const Context *context,
+                                          size_t attribIndex,
+                                          gl::Buffer *boundBuffer,
+                                          GLint size,
+                                          VertexAttribType type,
+                                          GLsizei stride,
+                                          const void *pointer)
+{
+    ComponentType componentType = GetVertexAttributeComponentType(true, type);
+    setVertexAttribPointerImpl(context, componentType, true, attribIndex, boundBuffer, size, type,
+                               false, stride, pointer);
+}
+
+angle::Result VertexArray::syncState(const Context *context)
+{
+    if (mDirtyBits.any())
+    {
+        mDirtyBitsGuard = mDirtyBits;
+        ANGLE_TRY(
+            mVertexArray->syncState(context, mDirtyBits, &mDirtyAttribBits, &mDirtyBindingBits));
+        mDirtyBits.reset();
+        mDirtyBitsGuard.reset();
+
+        // The dirty bits should be reset in the back-end. To simplify ASSERTs only check attrib 0.
+        ASSERT(mDirtyAttribBits[0].none());
+        ASSERT(mDirtyBindingBits[0].none());
+        mState.mLastSyncedEnabledAttributesMask = mState.mEnabledAttributesMask;
+    }
+    return angle::Result::Continue;
+}
+
+// This becomes current vertex array on the context
+void VertexArray::onBind(const Context *context)
+{
+    if (mDirtyObserverBindingBits.none())
+    {
+        return;
+    }
+
+    // This vertex array becoming current. Some of the bindings we may have removed from buffer's
+    // observer list. We need to add it back to the buffer's observer list and update dirty bits
+    // that we may have missed while we were not observing.
+    for (size_t bindingIndex : mDirtyObserverBindingBits)
+    {
+        const gl::VertexBinding &binding = mState.getVertexBindings()[bindingIndex];
+        gl::Buffer *bufferGL             = binding.getBuffer().get();
+        ASSERT(bufferGL != nullptr);
+
+        bufferGL->addObserver(&mArrayBufferObserverBindings[bindingIndex]);
+        updateCachedMappedArrayBuffersBinding(mState.mVertexBindings[bindingIndex]);
+
+        // Assume both data and internal storage has been dirtied.
+        mDirtyBits.set(DIRTY_BIT_BINDING_0 + bindingIndex);
+
+        if (mBufferAccessValidationEnabled)
+        {
+            for (size_t boundAttribute :
+                 mState.mVertexBindings[bindingIndex].getBoundAttributesMask())
+            {
+                mState.mVertexAttributes[boundAttribute].updateCachedElementLimit(
+                    mState.mVertexBindings[bindingIndex]);
+            }
+        }
+
+        if (context->isWebGL())
+        {
+            updateCachedTransformFeedbackBindingValidation(bindingIndex, bufferGL);
+        }
+    }
+    mDirtyObserverBindingBits.reset();
+
+    onStateChange(angle::SubjectMessage::ContentsChanged);
+}
+
+// This becomes non-current vertex array on the context
+void VertexArray::onUnbind(const Context *context)
+{
+    // This vertex array becoming non-current. For performance reason, if there are too many
+    // observers in the buffer, we remove it from the buffers' observer list so that the cost of
+    // buffer sending signal to observers will be too expensive.
+    for (uint32_t bindingIndex = 0; bindingIndex < mArrayBufferObserverBindings.size();
+         ++bindingIndex)
+    {
+        const gl::VertexBinding &binding = mState.getVertexBindings()[bindingIndex];
+        gl::Buffer *bufferGL             = binding.getBuffer().get();
+        if (bufferGL && bufferGL->getObserversCount() > kMaxObserverCountToTriggerUnobserve)
+        {
+            bufferGL->removeObserver(&mArrayBufferObserverBindings[bindingIndex]);
+            mDirtyObserverBindingBits.set(bindingIndex);
+        }
+    }
+}
+
+void VertexArray::onBindingChanged(const Context *context, int incr)
+{
+    // When vertex array gets unbound, we remove it from bound buffers' observer list so that when
+    // buffer changes, it wont has to loop over all these non-current vertex arrays and set dirty
+    // bit on them. To compensate for that, when we bind a vertex array, we have to check against
+    // each bound buffers and see if they have changed and needs to update vertex array's dirty bits
+    // accordingly
+    ASSERT(incr == 1 || incr == -1);
+    if (incr < 0)
+    {
+        onUnbind(context);
+    }
+    else
+    {
+        onBind(context);
+    }
+
+    if (context->isWebGL())
+    {
+        if (mState.mElementArrayBuffer.get())
+            mState.mElementArrayBuffer->onNonTFBindingChanged(incr);
+        for (auto &binding : mState.mVertexBindings)
+        {
+            binding.onContainerBindingChanged(context, incr);
+        }
+    }
+}
+
+VertexArray::DirtyBitType VertexArray::getDirtyBitFromIndex(bool contentsChanged,
+                                                            angle::SubjectIndex index) const
+{
+    if (IsElementArrayBufferSubjectIndex(index))
+    {
+        mIndexRangeCache.invalidate();
+        return contentsChanged ? DIRTY_BIT_ELEMENT_ARRAY_BUFFER_DATA
+                               : DIRTY_BIT_ELEMENT_ARRAY_BUFFER;
+    }
+    else
+    {
+        // Note: this currently just gets the top-level dirty bit.
+        ASSERT(index < mArrayBufferObserverBindings.size());
+        return static_cast<DirtyBitType>(
+            (contentsChanged ? DIRTY_BIT_BUFFER_DATA_0 : DIRTY_BIT_BINDING_0) + index);
+    }
+}
+
+void VertexArray::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    switch (message)
+    {
+        case angle::SubjectMessage::SubjectChanged:
+            if (!IsElementArrayBufferSubjectIndex(index))
+            {
+                updateCachedBufferBindingSize(&mState.mVertexBindings[index]);
+            }
+            setDependentDirtyBit(false, index);
+            break;
+
+        case angle::SubjectMessage::BindingChanged:
+            if (!IsElementArrayBufferSubjectIndex(index))
+            {
+                const Buffer *buffer = mState.mVertexBindings[index].getBuffer().get();
+                updateCachedTransformFeedbackBindingValidation(index, buffer);
+            }
+            break;
+
+        case angle::SubjectMessage::SubjectMapped:
+            if (!IsElementArrayBufferSubjectIndex(index))
+            {
+                updateCachedMappedArrayBuffersBinding(mState.mVertexBindings[index]);
+            }
+            onStateChange(angle::SubjectMessage::SubjectMapped);
+            break;
+
+        case angle::SubjectMessage::SubjectUnmapped:
+            setDependentDirtyBit(true, index);
+
+            if (!IsElementArrayBufferSubjectIndex(index))
+            {
+                updateCachedMappedArrayBuffersBinding(mState.mVertexBindings[index]);
+            }
+            onStateChange(angle::SubjectMessage::SubjectUnmapped);
+            break;
+
+        case angle::SubjectMessage::InternalMemoryAllocationChanged:
+            setDependentDirtyBit(false, index);
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void VertexArray::setDependentDirtyBit(bool contentsChanged, angle::SubjectIndex index)
+{
+    DirtyBitType dirtyBit = getDirtyBitFromIndex(contentsChanged, index);
+    ASSERT(!mDirtyBitsGuard.valid() || mDirtyBitsGuard.value().test(dirtyBit));
+    mDirtyBits.set(dirtyBit);
+    onStateChange(angle::SubjectMessage::ContentsChanged);
+}
+
+bool VertexArray::hasTransformFeedbackBindingConflict(const gl::Context *context) const
+{
+    // Fast check first.
+    if (!mCachedTransformFeedbackConflictedBindingsMask.any())
+    {
+        return false;
+    }
+
+    const AttributesMask &activeAttribues = context->getStateCache().getActiveBufferedAttribsMask();
+
+    // Slow check. We must ensure that the conflicting attributes are enabled/active.
+    for (size_t attribIndex : activeAttribues)
+    {
+        const VertexAttribute &attrib = mState.mVertexAttributes[attribIndex];
+        if (mCachedTransformFeedbackConflictedBindingsMask[attrib.bindingIndex])
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+angle::Result VertexArray::getIndexRangeImpl(const Context *context,
+                                             DrawElementsType type,
+                                             GLsizei indexCount,
+                                             const void *indices,
+                                             IndexRange *indexRangeOut) const
+{
+    Buffer *elementArrayBuffer = mState.mElementArrayBuffer.get();
+    if (!elementArrayBuffer)
+    {
+        *indexRangeOut = ComputeIndexRange(type, indices, indexCount,
+                                           context->getState().isPrimitiveRestartEnabled());
+        return angle::Result::Continue;
+    }
+
+    size_t offset = reinterpret_cast<uintptr_t>(indices);
+    ANGLE_TRY(elementArrayBuffer->getIndexRange(context, type, offset, indexCount,
+                                                context->getState().isPrimitiveRestartEnabled(),
+                                                indexRangeOut));
+
+    mIndexRangeCache.put(type, indexCount, offset, *indexRangeOut);
+    return angle::Result::Continue;
+}
+
+VertexArray::IndexRangeCache::IndexRangeCache() = default;
+
+void VertexArray::IndexRangeCache::put(DrawElementsType type,
+                                       GLsizei indexCount,
+                                       size_t offset,
+                                       const IndexRange &indexRange)
+{
+    ASSERT(type != DrawElementsType::InvalidEnum);
+
+    mTypeKey       = type;
+    mIndexCountKey = indexCount;
+    mOffsetKey     = offset;
+    mPayload       = indexRange;
+}
+
+void VertexArray::onBufferContentsChange(uint32_t bufferIndex)
+{
+    setDependentDirtyBit(true, bufferIndex);
+}
+
+VertexArrayBufferContentsObservers::VertexArrayBufferContentsObservers(VertexArray *vertexArray)
+    : mVertexArray(vertexArray)
+{}
+
+void VertexArrayBufferContentsObservers::enableForBuffer(Buffer *buffer, uint32_t bufferIndex)
+{
+    buffer->addContentsObserver(mVertexArray, bufferIndex);
+}
+
+void VertexArrayBufferContentsObservers::disableForBuffer(Buffer *buffer, uint32_t bufferIndex)
+{
+    buffer->removeContentsObserver(mVertexArray, bufferIndex);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/VertexArray.h b/gfx/angle/checkout/src/libANGLE/VertexArray.h
new file mode 100644
index 0000000000..16f036c86b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/VertexArray.h
@@ -0,0 +1,436 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// This class contains prototypes for representing GLES 3 Vertex Array Objects:
+//
+//   The buffer objects that are to be used by the vertex stage of the GL are collected
+//   together to form a vertex array object. All state related to the definition of data used
+//   by the vertex processor is encapsulated in a vertex array object.
+//
+
+#ifndef LIBANGLE_VERTEXARRAY_H_
+#define LIBANGLE_VERTEXARRAY_H_
+
+#include "common/Optional.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/RefCountObject.h"
+#include "libANGLE/VertexAttribute.h"
+
+#include <vector>
+
+namespace rx
+{
+class GLImplFactory;
+class VertexArrayImpl;
+}  // namespace rx
+
+namespace gl
+{
+class Buffer;
+
+constexpr uint32_t kElementArrayBufferIndex = MAX_VERTEX_ATTRIBS;
+
+class VertexArrayState final : angle::NonCopyable
+{
+  public:
+    VertexArrayState(VertexArray *vertexArray, size_t maxAttribs, size_t maxBindings);
+    ~VertexArrayState();
+
+    const std::string &getLabel() const { return mLabel; }
+
+    Buffer *getElementArrayBuffer() const { return mElementArrayBuffer.get(); }
+    size_t getMaxAttribs() const { return mVertexAttributes.size(); }
+    size_t getMaxBindings() const { return mVertexBindings.size(); }
+    const AttributesMask &getEnabledAttributesMask() const { return mEnabledAttributesMask; }
+    const std::vector<VertexAttribute> &getVertexAttributes() const { return mVertexAttributes; }
+    const VertexAttribute &getVertexAttribute(size_t attribIndex) const
+    {
+        return mVertexAttributes[attribIndex];
+    }
+    const std::vector<VertexBinding> &getVertexBindings() const { return mVertexBindings; }
+    const VertexBinding &getVertexBinding(size_t bindingIndex) const
+    {
+        return mVertexBindings[bindingIndex];
+    }
+    const VertexBinding &getBindingFromAttribIndex(size_t attribIndex) const
+    {
+        return mVertexBindings[mVertexAttributes[attribIndex].bindingIndex];
+    }
+    size_t getBindingIndexFromAttribIndex(size_t attribIndex) const
+    {
+        return mVertexAttributes[attribIndex].bindingIndex;
+    }
+
+    void setAttribBinding(const Context *context, size_t attribIndex, GLuint newBindingIndex);
+
+    // Extra validation performed on the Vertex Array.
+    bool hasEnabledNullPointerClientArray() const;
+
+    // Get all the attributes in an AttributesMask that are using the given binding.
+    AttributesMask getBindingToAttributesMask(GLuint bindingIndex) const;
+
+    ComponentTypeMask getVertexAttributesTypeMask() const { return mVertexAttributesTypeMask; }
+
+    AttributesMask getClientMemoryAttribsMask() const { return mClientMemoryAttribsMask; }
+
+    gl::AttributesMask getNullPointerClientMemoryAttribsMask() const
+    {
+        return mNullPointerClientMemoryAttribsMask;
+    }
+
+  private:
+    void updateCachedMutableOrNonPersistentArrayBuffers(size_t index);
+
+    friend class VertexArray;
+    std::string mLabel;
+    std::vector<VertexAttribute> mVertexAttributes;
+    SubjectBindingPointer<Buffer> mElementArrayBuffer;
+    std::vector<VertexBinding> mVertexBindings;
+    AttributesMask mEnabledAttributesMask;
+    ComponentTypeMask mVertexAttributesTypeMask;
+    AttributesMask mLastSyncedEnabledAttributesMask;
+
+    // This is a performance optimization for buffer binding. Allows element array buffer updates.
+    friend class State;
+
+    // From the GLES 3.1 spec:
+    // When a generic attribute array is sourced from client memory, the vertex attribute binding
+    // state is ignored. Thus we don't have to worry about binding state when using client memory
+    // attribs.
+    gl::AttributesMask mClientMemoryAttribsMask;
+    gl::AttributesMask mNullPointerClientMemoryAttribsMask;
+
+    // Used for validation cache. Indexed by attribute.
+    AttributesMask mCachedMappedArrayBuffers;
+    AttributesMask mCachedMutableOrImpersistentArrayBuffers;
+    AttributesMask mCachedInvalidMappedArrayBuffer;
+};
+
+class VertexArrayBufferContentsObservers final : angle::NonCopyable
+{
+  public:
+    VertexArrayBufferContentsObservers(VertexArray *vertexArray);
+    void enableForBuffer(Buffer *buffer, uint32_t bufferIndex);
+    void disableForBuffer(Buffer *buffer, uint32_t bufferIndex);
+
+  private:
+    VertexArray *mVertexArray;
+};
+
+class VertexArray final : public angle::ObserverInterface,
+                          public LabeledObject,
+                          public angle::Subject
+{
+  public:
+    // Dirty bits for VertexArrays use a hierarchical design. At the top level, each attribute
+    // has a single dirty bit. Then an array of MAX_ATTRIBS dirty bits each has a dirty bit for
+    // enabled/pointer/format/binding. Bindings are handled similarly. Note that because the
+    // total number of dirty bits is 33, it will not be as fast on a 32-bit machine, which
+    // can't support the advanced 64-bit scanning intrinsics. We could consider packing the
+    // binding and attribute bits together if this becomes a problem.
+    //
+    // Special note on "DIRTY_ATTRIB_POINTER_BUFFER": this is a special case when the app
+    // calls glVertexAttribPointer but only changes a VBO and/or offset binding. This allows
+    // the Vulkan back-end to skip performing a pipeline change for performance.
+    enum DirtyBitType
+    {
+        DIRTY_BIT_ELEMENT_ARRAY_BUFFER,
+        DIRTY_BIT_ELEMENT_ARRAY_BUFFER_DATA,
+
+        // Dirty bits for bindings.
+        DIRTY_BIT_BINDING_0,
+        DIRTY_BIT_BINDING_MAX = DIRTY_BIT_BINDING_0 + gl::MAX_VERTEX_ATTRIB_BINDINGS,
+
+        // We keep separate dirty bits for bound buffers whose data changed since last update.
+        DIRTY_BIT_BUFFER_DATA_0   = DIRTY_BIT_BINDING_MAX,
+        DIRTY_BIT_BUFFER_DATA_MAX = DIRTY_BIT_BUFFER_DATA_0 + gl::MAX_VERTEX_ATTRIB_BINDINGS,
+
+        // Dirty bits for attributes.
+        DIRTY_BIT_ATTRIB_0   = DIRTY_BIT_BUFFER_DATA_MAX,
+        DIRTY_BIT_ATTRIB_MAX = DIRTY_BIT_ATTRIB_0 + gl::MAX_VERTEX_ATTRIBS,
+
+        DIRTY_BIT_UNKNOWN = DIRTY_BIT_ATTRIB_MAX,
+        DIRTY_BIT_MAX     = DIRTY_BIT_UNKNOWN,
+    };
+
+    // We want to keep the number of dirty bits within 64 to keep iteration times fast.
+    static_assert(DIRTY_BIT_MAX <= 64, "Too many vertex array dirty bits.");
+    // The dirty bit processing has the logic to avoid redundant processing by removing other dirty
+    // bits when it processes dirtyBits. This assertion ensures these dirty bit order matches what
+    // VertexArrayVk::syncState expects.
+    static_assert(DIRTY_BIT_BINDING_0 < DIRTY_BIT_BUFFER_DATA_0,
+                  "BINDING dity bits should come before DATA.");
+    static_assert(DIRTY_BIT_BUFFER_DATA_0 < DIRTY_BIT_ATTRIB_0,
+                  "DATA dity bits should come before ATTRIB.");
+
+    enum DirtyAttribBitType
+    {
+        DIRTY_ATTRIB_ENABLED,
+        DIRTY_ATTRIB_POINTER,
+        DIRTY_ATTRIB_FORMAT,
+        DIRTY_ATTRIB_BINDING,
+        DIRTY_ATTRIB_POINTER_BUFFER,
+        DIRTY_ATTRIB_UNKNOWN,
+        DIRTY_ATTRIB_MAX = DIRTY_ATTRIB_UNKNOWN,
+    };
+
+    enum DirtyBindingBitType
+    {
+        DIRTY_BINDING_BUFFER,
+        DIRTY_BINDING_DIVISOR,
+        DIRTY_BINDING_UNKNOWN,
+        DIRTY_BINDING_MAX = DIRTY_BINDING_UNKNOWN,
+    };
+
+    using DirtyBits                = angle::BitSet<DIRTY_BIT_MAX>;
+    using DirtyAttribBits          = angle::BitSet<DIRTY_ATTRIB_MAX>;
+    using DirtyBindingBits         = angle::BitSet<DIRTY_BINDING_MAX>;
+    using DirtyAttribBitsArray     = std::array<DirtyAttribBits, gl::MAX_VERTEX_ATTRIBS>;
+    using DirtyBindingBitsArray    = std::array<DirtyBindingBits, gl::MAX_VERTEX_ATTRIB_BINDINGS>;
+    using DirtyObserverBindingBits = angle::BitSet<gl::MAX_VERTEX_ATTRIB_BINDINGS>;
+
+    VertexArray(rx::GLImplFactory *factory,
+                VertexArrayID id,
+                size_t maxAttribs,
+                size_t maxAttribBindings);
+
+    void onDestroy(const Context *context);
+
+    VertexArrayID id() const { return mId; }
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    const VertexBinding &getVertexBinding(size_t bindingIndex) const;
+    const VertexAttribute &getVertexAttribute(size_t attribIndex) const;
+    const VertexBinding &getBindingFromAttribIndex(size_t attribIndex) const
+    {
+        return mState.getBindingFromAttribIndex(attribIndex);
+    }
+
+    // Returns true if the function finds and detaches a bound buffer.
+    bool detachBuffer(const Context *context, BufferID bufferID);
+
+    void setVertexAttribDivisor(const Context *context, size_t index, GLuint divisor);
+    void enableAttribute(size_t attribIndex, bool enabledState);
+
+    void setVertexAttribPointer(const Context *context,
+                                size_t attribIndex,
+                                Buffer *boundBuffer,
+                                GLint size,
+                                VertexAttribType type,
+                                bool normalized,
+                                GLsizei stride,
+                                const void *pointer);
+
+    void setVertexAttribIPointer(const Context *context,
+                                 size_t attribIndex,
+                                 Buffer *boundBuffer,
+                                 GLint size,
+                                 VertexAttribType type,
+                                 GLsizei stride,
+                                 const void *pointer);
+
+    void setVertexAttribFormat(size_t attribIndex,
+                               GLint size,
+                               VertexAttribType type,
+                               bool normalized,
+                               bool pureInteger,
+                               GLuint relativeOffset);
+    void bindVertexBuffer(const Context *context,
+                          size_t bindingIndex,
+                          Buffer *boundBuffer,
+                          GLintptr offset,
+                          GLsizei stride);
+    void setVertexAttribBinding(const Context *context, size_t attribIndex, GLuint bindingIndex);
+    void setVertexBindingDivisor(const Context *context, size_t bindingIndex, GLuint divisor);
+
+    Buffer *getElementArrayBuffer() const { return mState.getElementArrayBuffer(); }
+    size_t getMaxAttribs() const { return mState.getMaxAttribs(); }
+    size_t getMaxBindings() const { return mState.getMaxBindings(); }
+
+    const std::vector<VertexAttribute> &getVertexAttributes() const
+    {
+        return mState.getVertexAttributes();
+    }
+    const std::vector<VertexBinding> &getVertexBindings() const
+    {
+        return mState.getVertexBindings();
+    }
+
+    rx::VertexArrayImpl *getImplementation() const { return mVertexArray; }
+
+    const AttributesMask &getEnabledAttributesMask() const
+    {
+        return mState.getEnabledAttributesMask();
+    }
+
+    gl::AttributesMask getClientAttribsMask() const { return mState.mClientMemoryAttribsMask; }
+
+    bool hasEnabledNullPointerClientArray() const
+    {
+        return mState.hasEnabledNullPointerClientArray();
+    }
+
+    bool hasInvalidMappedArrayBuffer() const
+    {
+        return mState.mCachedInvalidMappedArrayBuffer.any();
+    }
+
+    const VertexArrayState &getState() const { return mState; }
+
+    bool isBufferAccessValidationEnabled() const { return mBufferAccessValidationEnabled; }
+
+    // Observer implementation
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+    void onBufferContentsChange(uint32_t bufferIndex);
+
+    static size_t GetVertexIndexFromDirtyBit(size_t dirtyBit);
+
+    angle::Result syncState(const Context *context);
+    bool hasAnyDirtyBit() const { return mDirtyBits.any(); }
+
+    ComponentTypeMask getAttributesTypeMask() const { return mState.mVertexAttributesTypeMask; }
+    AttributesMask getAttributesMask() const { return mState.mEnabledAttributesMask; }
+
+    void onBindingChanged(const Context *context, int incr);
+    bool hasTransformFeedbackBindingConflict(const gl::Context *context) const;
+
+    ANGLE_INLINE angle::Result getIndexRange(const Context *context,
+                                             DrawElementsType type,
+                                             GLsizei indexCount,
+                                             const void *indices,
+                                             IndexRange *indexRangeOut) const
+    {
+        Buffer *elementArrayBuffer = mState.mElementArrayBuffer.get();
+        if (elementArrayBuffer && mIndexRangeCache.get(type, indexCount, indices, indexRangeOut))
+        {
+            return angle::Result::Continue;
+        }
+
+        return getIndexRangeImpl(context, type, indexCount, indices, indexRangeOut);
+    }
+
+    void setBufferAccessValidationEnabled(bool enabled)
+    {
+        mBufferAccessValidationEnabled = enabled;
+    }
+
+  private:
+    ~VertexArray() override;
+
+    // This is a performance optimization for buffer binding. Allows element array buffer updates.
+    friend class State;
+
+    void setDirtyAttribBit(size_t attribIndex, DirtyAttribBitType dirtyAttribBit);
+    void setDirtyBindingBit(size_t bindingIndex, DirtyBindingBitType dirtyBindingBit);
+    void clearDirtyAttribBit(size_t attribIndex, DirtyAttribBitType dirtyAttribBit);
+
+    DirtyBitType getDirtyBitFromIndex(bool contentsChanged, angle::SubjectIndex index) const;
+    void setDependentDirtyBit(bool contentsChanged, angle::SubjectIndex index);
+
+    // These are used to optimize draw call validation.
+    void updateCachedBufferBindingSize(VertexBinding *binding);
+    void updateCachedTransformFeedbackBindingValidation(size_t bindingIndex, const Buffer *buffer);
+    void updateCachedArrayBuffersMasks(bool isMapped,
+                                       bool isImmutable,
+                                       bool isPersistent,
+                                       const AttributesMask &boundAttributesMask);
+    void updateCachedMappedArrayBuffersBinding(const VertexBinding &binding);
+
+    angle::Result getIndexRangeImpl(const Context *context,
+                                    DrawElementsType type,
+                                    GLsizei indexCount,
+                                    const void *indices,
+                                    IndexRange *indexRangeOut) const;
+
+    void setVertexAttribPointerImpl(const Context *context,
+                                    ComponentType componentType,
+                                    bool pureInteger,
+                                    size_t attribIndex,
+                                    Buffer *boundBuffer,
+                                    GLint size,
+                                    VertexAttribType type,
+                                    bool normalized,
+                                    GLsizei stride,
+                                    const void *pointer);
+
+    // These two functions return true if the state was dirty.
+    bool setVertexAttribFormatImpl(VertexAttribute *attrib,
+                                   GLint size,
+                                   VertexAttribType type,
+                                   bool normalized,
+                                   bool pureInteger,
+                                   GLuint relativeOffset);
+    bool bindVertexBufferImpl(const Context *context,
+                              size_t bindingIndex,
+                              Buffer *boundBuffer,
+                              GLintptr offset,
+                              GLsizei stride);
+
+    void onBind(const Context *context);
+    void onUnbind(const Context *context);
+
+    VertexArrayID mId;
+
+    VertexArrayState mState;
+    DirtyBits mDirtyBits;
+    DirtyAttribBitsArray mDirtyAttribBits;
+    DirtyBindingBitsArray mDirtyBindingBits;
+    Optional<DirtyBits> mDirtyBitsGuard;
+
+    rx::VertexArrayImpl *mVertexArray;
+
+    std::vector<angle::ObserverBinding> mArrayBufferObserverBindings;
+    // Track which observer in mArrayBufferObserverBindings is not currently been removed from
+    // subject's observer list.
+    DirtyObserverBindingBits mDirtyObserverBindingBits;
+
+    AttributesMask mCachedTransformFeedbackConflictedBindingsMask;
+
+    class IndexRangeCache final : angle::NonCopyable
+    {
+      public:
+        IndexRangeCache();
+
+        void invalidate() { mTypeKey = DrawElementsType::InvalidEnum; }
+
+        bool get(DrawElementsType type,
+                 GLsizei indexCount,
+                 const void *indices,
+                 IndexRange *indexRangeOut)
+        {
+            size_t offset = reinterpret_cast<uintptr_t>(indices);
+            if (mTypeKey == type && mIndexCountKey == indexCount && mOffsetKey == offset)
+            {
+                *indexRangeOut = mPayload;
+                return true;
+            }
+
+            return false;
+        }
+
+        void put(DrawElementsType type,
+                 GLsizei indexCount,
+                 size_t offset,
+                 const IndexRange &indexRange);
+
+      private:
+        DrawElementsType mTypeKey;
+        GLsizei mIndexCountKey;
+        size_t mOffsetKey;
+        IndexRange mPayload;
+    };
+
+    mutable IndexRangeCache mIndexRangeCache;
+    bool mBufferAccessValidationEnabled;
+    VertexArrayBufferContentsObservers mContentsObservers;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_VERTEXARRAY_H_
diff --git a/gfx/angle/checkout/src/libANGLE/VertexAttribute.cpp b/gfx/angle/checkout/src/libANGLE/VertexAttribute.cpp
new file mode 100644
index 0000000000..f525addbba
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/VertexAttribute.cpp
@@ -0,0 +1,170 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Implementation of the state classes for mananging GLES 3.1 Vertex Array Objects.
+//
+
+#include "libANGLE/VertexAttribute.h"
+
+namespace gl
+{
+
+// [OpenGL ES 3.1] (November 3, 2016) Section 20 Page 361
+// Table 20.2: Vertex Array Object State
+VertexBinding::VertexBinding() : VertexBinding(0) {}
+
+VertexBinding::VertexBinding(GLuint boundAttribute) : mStride(16u), mDivisor(0), mOffset(0)
+{
+    mBoundAttributesMask.set(boundAttribute);
+}
+
+VertexBinding::VertexBinding(VertexBinding &&binding)
+{
+    *this = std::move(binding);
+}
+
+VertexBinding::~VertexBinding() {}
+
+VertexBinding &VertexBinding::operator=(VertexBinding &&binding)
+{
+    if (this != &binding)
+    {
+        mStride              = binding.mStride;
+        mDivisor             = binding.mDivisor;
+        mOffset              = binding.mOffset;
+        mBoundAttributesMask = binding.mBoundAttributesMask;
+        std::swap(binding.mBuffer, mBuffer);
+    }
+    return *this;
+}
+
+void VertexBinding::onContainerBindingChanged(const Context *context, int incr) const
+{
+    if (mBuffer.get())
+        mBuffer->onNonTFBindingChanged(incr);
+}
+
+VertexAttribute::VertexAttribute(GLuint bindingIndex)
+    : enabled(false),
+      format(&angle::Format::Get(angle::FormatID::R32G32B32A32_FLOAT)),
+      pointer(nullptr),
+      relativeOffset(0),
+      vertexAttribArrayStride(0),
+      bindingIndex(bindingIndex),
+      mCachedElementLimit(0)
+{}
+
+VertexAttribute::VertexAttribute(VertexAttribute &&attrib)
+    : enabled(attrib.enabled),
+      format(attrib.format),
+      pointer(attrib.pointer),
+      relativeOffset(attrib.relativeOffset),
+      vertexAttribArrayStride(attrib.vertexAttribArrayStride),
+      bindingIndex(attrib.bindingIndex),
+      mCachedElementLimit(attrib.mCachedElementLimit)
+{}
+
+VertexAttribute &VertexAttribute::operator=(VertexAttribute &&attrib)
+{
+    if (this != &attrib)
+    {
+        enabled                 = attrib.enabled;
+        format                  = attrib.format;
+        pointer                 = attrib.pointer;
+        relativeOffset          = attrib.relativeOffset;
+        vertexAttribArrayStride = attrib.vertexAttribArrayStride;
+        bindingIndex            = attrib.bindingIndex;
+        mCachedElementLimit     = attrib.mCachedElementLimit;
+    }
+    return *this;
+}
+
+void VertexAttribute::updateCachedElementLimit(const VertexBinding &binding)
+{
+    Buffer *buffer = binding.getBuffer().get();
+    if (!buffer)
+    {
+        mCachedElementLimit = 0;
+        return;
+    }
+
+    angle::CheckedNumeric<GLint64> bufferSize(buffer->getSize());
+    angle::CheckedNumeric<GLint64> bufferOffset(binding.getOffset());
+    angle::CheckedNumeric<GLint64> attribOffset(relativeOffset);
+    angle::CheckedNumeric<GLint64> attribSize(ComputeVertexAttributeTypeSize(*this));
+
+    // (buffer.size - buffer.offset - attrib.relativeOffset - attrib.size) / binding.stride
+    angle::CheckedNumeric<GLint64> elementLimit =
+        (bufferSize - bufferOffset - attribOffset - attribSize);
+
+    // Use the special integer overflow value if there was a math error.
+    if (!elementLimit.IsValid())
+    {
+        static_assert(kIntegerOverflow < 0, "Unexpected value");
+        mCachedElementLimit = kIntegerOverflow;
+        return;
+    }
+
+    mCachedElementLimit = elementLimit.ValueOrDie();
+    if (mCachedElementLimit < 0)
+    {
+        return;
+    }
+
+    if (binding.getStride() == 0)
+    {
+        // Special case for a zero stride. If we can fit one vertex we can fit infinite vertices.
+        mCachedElementLimit = std::numeric_limits<GLint64>::max();
+        return;
+    }
+
+    angle::CheckedNumeric<GLint64> bindingStride(binding.getStride());
+    elementLimit /= bindingStride;
+
+    if (binding.getDivisor() > 0)
+    {
+        // For instanced draws, the element count is floor(instanceCount - 1) / binding.divisor.
+        angle::CheckedNumeric<GLint64> bindingDivisor(binding.getDivisor());
+        elementLimit *= bindingDivisor;
+
+        // We account for the floor() part rounding by adding a rounding constant.
+        elementLimit += bindingDivisor - 1;
+    }
+
+    mCachedElementLimit = elementLimit.ValueOrDefault(kIntegerOverflow);
+}
+
+size_t ComputeVertexAttributeStride(const VertexAttribute &attrib, const VertexBinding &binding)
+{
+    // In ES 3.1, VertexAttribPointer will store the type size in the binding stride.
+    // Hence, rendering always uses the binding's stride.
+    return attrib.enabled ? binding.getStride() : 16u;
+}
+
+// Warning: you should ensure binding really matches attrib.bindingIndex before using this function.
+GLintptr ComputeVertexAttributeOffset(const VertexAttribute &attrib, const VertexBinding &binding)
+{
+    return attrib.relativeOffset + binding.getOffset();
+}
+
+size_t ComputeVertexBindingElementCount(GLuint divisor, size_t drawCount, size_t instanceCount)
+{
+    // For instanced rendering, we draw "instanceDrawCount" sets of "vertexDrawCount" vertices.
+    //
+    // A vertex attribute with a positive divisor loads one instanced vertex for every set of
+    // non-instanced vertices, and the instanced vertex index advances once every "mDivisor"
+    // instances.
+    if (instanceCount > 0 && divisor > 0)
+    {
+        // When instanceDrawCount is not a multiple attrib.divisor, the division must round up.
+        // For instance, with 5 non-instanced vertices and a divisor equal to 3, we need 2 instanced
+        // vertices.
+        return (instanceCount + divisor - 1u) / divisor;
+    }
+
+    return drawCount;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/VertexAttribute.h b/gfx/angle/checkout/src/libANGLE/VertexAttribute.h
new file mode 100644
index 0000000000..dd89228d2a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/VertexAttribute.h
@@ -0,0 +1,139 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Helper structures about Generic Vertex Attribute.
+//
+
+#ifndef LIBANGLE_VERTEXATTRIBUTE_H_
+#define LIBANGLE_VERTEXATTRIBUTE_H_
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/Format.h"
+
+namespace gl
+{
+class VertexArray;
+
+//
+// Implementation of Generic Vertex Attribute Bindings for ES3.1. The members are intentionally made
+// private in order to hide implementation details.
+//
+class VertexBinding final : angle::NonCopyable
+{
+  public:
+    VertexBinding();
+    explicit VertexBinding(GLuint boundAttribute);
+    VertexBinding(VertexBinding &&binding);
+    ~VertexBinding();
+    VertexBinding &operator=(VertexBinding &&binding);
+
+    GLuint getStride() const { return mStride; }
+    void setStride(GLuint strideIn) { mStride = strideIn; }
+
+    GLuint getDivisor() const { return mDivisor; }
+    void setDivisor(GLuint divisorIn) { mDivisor = divisorIn; }
+
+    GLintptr getOffset() const { return mOffset; }
+    void setOffset(GLintptr offsetIn) { mOffset = offsetIn; }
+
+    const BindingPointer<Buffer> &getBuffer() const { return mBuffer; }
+
+    ANGLE_INLINE void setBuffer(const gl::Context *context, Buffer *bufferIn)
+    {
+        mBuffer.set(context, bufferIn);
+    }
+
+    // Skips ref counting for better inlined performance.
+    ANGLE_INLINE void assignBuffer(Buffer *bufferIn) { mBuffer.assign(bufferIn); }
+
+    void onContainerBindingChanged(const Context *context, int incr) const;
+
+    const AttributesMask &getBoundAttributesMask() const { return mBoundAttributesMask; }
+
+    void setBoundAttribute(size_t index) { mBoundAttributesMask.set(index); }
+
+    void resetBoundAttribute(size_t index) { mBoundAttributesMask.reset(index); }
+
+  private:
+    GLuint mStride;
+    GLuint mDivisor;
+    GLintptr mOffset;
+
+    BindingPointer<Buffer> mBuffer;
+
+    // Mapping from this binding to all of the attributes that are using this binding.
+    AttributesMask mBoundAttributesMask;
+};
+
+//
+// Implementation of Generic Vertex Attributes for ES3.1
+//
+struct VertexAttribute final : private angle::NonCopyable
+{
+    explicit VertexAttribute(GLuint bindingIndex);
+    VertexAttribute(VertexAttribute &&attrib);
+    VertexAttribute &operator=(VertexAttribute &&attrib);
+
+    // Called from VertexArray.
+    void updateCachedElementLimit(const VertexBinding &binding);
+    GLint64 getCachedElementLimit() const { return mCachedElementLimit; }
+
+    bool enabled;  // For glEnable/DisableVertexAttribArray
+    const angle::Format *format;
+
+    const void *pointer;
+    GLuint relativeOffset;
+
+    GLuint vertexAttribArrayStride;  // ONLY for queries of VERTEX_ATTRIB_ARRAY_STRIDE
+    GLuint bindingIndex;
+
+    // Special value for the cached element limit on the integer overflow case.
+    static constexpr GLint64 kIntegerOverflow = std::numeric_limits<GLint64>::min();
+
+  private:
+    // This is kept in sync by the VertexArray. It is used to optimize draw call validation.
+    GLint64 mCachedElementLimit;
+};
+
+ANGLE_INLINE size_t ComputeVertexAttributeTypeSize(const VertexAttribute &attrib)
+{
+    ASSERT(attrib.format);
+    return attrib.format->pixelBytes;
+}
+
+// Warning: you should ensure binding really matches attrib.bindingIndex before using this function.
+size_t ComputeVertexAttributeStride(const VertexAttribute &attrib, const VertexBinding &binding);
+
+// Warning: you should ensure binding really matches attrib.bindingIndex before using this function.
+GLintptr ComputeVertexAttributeOffset(const VertexAttribute &attrib, const VertexBinding &binding);
+
+size_t ComputeVertexBindingElementCount(GLuint divisor, size_t drawCount, size_t instanceCount);
+
+struct VertexAttribCurrentValueData
+{
+    union
+    {
+        GLfloat FloatValues[4];
+        GLint IntValues[4];
+        GLuint UnsignedIntValues[4];
+    } Values;
+    VertexAttribType Type;
+
+    VertexAttribCurrentValueData();
+
+    void setFloatValues(const GLfloat floatValues[4]);
+    void setIntValues(const GLint intValues[4]);
+    void setUnsignedIntValues(const GLuint unsignedIntValues[4]);
+};
+
+bool operator==(const VertexAttribCurrentValueData &a, const VertexAttribCurrentValueData &b);
+bool operator!=(const VertexAttribCurrentValueData &a, const VertexAttribCurrentValueData &b);
+
+}  // namespace gl
+
+#include "VertexAttribute.inc"
+
+#endif  // LIBANGLE_VERTEXATTRIBUTE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/VertexAttribute.inc b/gfx/angle/checkout/src/libANGLE/VertexAttribute.inc
new file mode 100644
index 0000000000..0c98f091b9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/VertexAttribute.inc
@@ -0,0 +1,58 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// VertexAttribute.inc: Inline vertex attribute methods
+//
+
+namespace gl
+{
+
+inline VertexAttribCurrentValueData::VertexAttribCurrentValueData()
+    : Type(gl::VertexAttribType::Float)
+{
+    Values.FloatValues[0] = 0.0f;
+    Values.FloatValues[1] = 0.0f;
+    Values.FloatValues[2] = 0.0f;
+    Values.FloatValues[3] = 1.0f;
+}
+
+inline void VertexAttribCurrentValueData::setFloatValues(const GLfloat floatValues[4])
+{
+    for (unsigned int valueIndex = 0; valueIndex < 4; valueIndex++)
+    {
+        Values.FloatValues[valueIndex] = floatValues[valueIndex];
+    }
+    Type = gl::VertexAttribType::Float;
+}
+
+inline void VertexAttribCurrentValueData::setIntValues(const GLint intValues[4])
+{
+    for (unsigned int valueIndex = 0; valueIndex < 4; valueIndex++)
+    {
+        Values.IntValues[valueIndex] = intValues[valueIndex];
+    }
+    Type = gl::VertexAttribType::Int;
+}
+
+inline void VertexAttribCurrentValueData::setUnsignedIntValues(const GLuint unsignedIntValues[4])
+{
+    for (unsigned int valueIndex = 0; valueIndex < 4; valueIndex++)
+    {
+        Values.UnsignedIntValues[valueIndex] = unsignedIntValues[valueIndex];
+    }
+    Type = gl::VertexAttribType::UnsignedInt;
+}
+
+inline bool operator==(const VertexAttribCurrentValueData &a, const VertexAttribCurrentValueData &b)
+{
+    return (a.Type == b.Type && memcmp(&a.Values, &b.Values, sizeof(VertexAttribCurrentValueData::Values)) == 0);
+}
+
+inline bool operator!=(const VertexAttribCurrentValueData &a, const VertexAttribCurrentValueData &b)
+{
+    return !(a == b);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/WorkerThread.cpp b/gfx/angle/checkout/src/libANGLE/WorkerThread.cpp
new file mode 100644
index 0000000000..30c454dd26
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/WorkerThread.cpp
@@ -0,0 +1,356 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// WorkerThread:
+//   Task running thread for ANGLE, similar to a TaskRunner in Chromium.
+//   Might be implemented differently depending on platform.
+//
+
+#include "libANGLE/WorkerThread.h"
+
+#include "libANGLE/trace.h"
+
+#if (ANGLE_DELEGATE_WORKERS == ANGLE_ENABLED) || (ANGLE_STD_ASYNC_WORKERS == ANGLE_ENABLED)
+#    include <condition_variable>
+#    include <future>
+#    include <mutex>
+#    include <queue>
+#    include <thread>
+#endif  // (ANGLE_DELEGATE_WORKERS == ANGLE_ENABLED) || (ANGLE_STD_ASYNC_WORKERS == ANGLE_ENABLED)
+
+namespace angle
+{
+
+WaitableEvent::WaitableEvent()  = default;
+WaitableEvent::~WaitableEvent() = default;
+
+void WaitableEventDone::wait() {}
+
+bool WaitableEventDone::isReady()
+{
+    return true;
+}
+
+WorkerThreadPool::WorkerThreadPool()  = default;
+WorkerThreadPool::~WorkerThreadPool() = default;
+
+class SingleThreadedWaitableEvent final : public WaitableEvent
+{
+  public:
+    SingleThreadedWaitableEvent()           = default;
+    ~SingleThreadedWaitableEvent() override = default;
+
+    void wait() override;
+    bool isReady() override;
+};
+
+void SingleThreadedWaitableEvent::wait() {}
+
+bool SingleThreadedWaitableEvent::isReady()
+{
+    return true;
+}
+
+class SingleThreadedWorkerPool final : public WorkerThreadPool
+{
+  public:
+    std::shared_ptr<WaitableEvent> postWorkerTask(std::shared_ptr<Closure> task) override;
+    void setMaxThreads(size_t maxThreads) override;
+    bool isAsync() override;
+};
+
+// SingleThreadedWorkerPool implementation.
+std::shared_ptr<WaitableEvent> SingleThreadedWorkerPool::postWorkerTask(
+    std::shared_ptr<Closure> task)
+{
+    (*task)();
+    return std::make_shared<SingleThreadedWaitableEvent>();
+}
+
+void SingleThreadedWorkerPool::setMaxThreads(size_t maxThreads) {}
+
+bool SingleThreadedWorkerPool::isAsync()
+{
+    return false;
+}
+
+#if (ANGLE_STD_ASYNC_WORKERS == ANGLE_ENABLED)
+class AsyncWaitableEvent final : public WaitableEvent
+{
+  public:
+    AsyncWaitableEvent() : mIsPending(true) {}
+    ~AsyncWaitableEvent() override = default;
+
+    void wait() override;
+    bool isReady() override;
+
+  private:
+    friend class AsyncWorkerPool;
+    void setFuture(std::future<void> &&future);
+
+    // To block wait() when the task is still in queue to be run.
+    // Also to protect the concurrent accesses from both main thread and
+    // background threads to the member fields.
+    std::mutex mMutex;
+
+    bool mIsPending;
+    std::condition_variable mCondition;
+    std::future<void> mFuture;
+};
+
+void AsyncWaitableEvent::setFuture(std::future<void> &&future)
+{
+    mFuture = std::move(future);
+}
+
+void AsyncWaitableEvent::wait()
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "AsyncWaitableEvent::wait");
+    {
+        std::unique_lock<std::mutex> lock(mMutex);
+        mCondition.wait(lock, [this] { return !mIsPending; });
+    }
+
+    ASSERT(mFuture.valid());
+    mFuture.wait();
+}
+
+bool AsyncWaitableEvent::isReady()
+{
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (mIsPending)
+    {
+        return false;
+    }
+    ASSERT(mFuture.valid());
+    return mFuture.wait_for(std::chrono::seconds(0)) == std::future_status::ready;
+}
+
+class AsyncWorkerPool final : public WorkerThreadPool
+{
+  public:
+    AsyncWorkerPool(size_t maxThreads) : mMaxThreads(maxThreads), mRunningThreads(0) {}
+    ~AsyncWorkerPool() override = default;
+
+    std::shared_ptr<WaitableEvent> postWorkerTask(std::shared_ptr<Closure> task) override;
+    void setMaxThreads(size_t maxThreads) override;
+    bool isAsync() override;
+
+  private:
+    void checkToRunPendingTasks();
+
+    // To protect the concurrent accesses from both main thread and background
+    // threads to the member fields.
+    std::mutex mMutex;
+
+    size_t mMaxThreads;
+    size_t mRunningThreads;
+    std::queue<std::pair<std::shared_ptr<AsyncWaitableEvent>, std::shared_ptr<Closure>>> mTaskQueue;
+};
+
+// AsyncWorkerPool implementation.
+std::shared_ptr<WaitableEvent> AsyncWorkerPool::postWorkerTask(std::shared_ptr<Closure> task)
+{
+    ASSERT(mMaxThreads > 0);
+
+    auto waitable = std::make_shared<AsyncWaitableEvent>();
+    {
+        std::lock_guard<std::mutex> lock(mMutex);
+        mTaskQueue.push(std::make_pair(waitable, task));
+    }
+    checkToRunPendingTasks();
+    return std::move(waitable);
+}
+
+void AsyncWorkerPool::setMaxThreads(size_t maxThreads)
+{
+    {
+        std::lock_guard<std::mutex> lock(mMutex);
+        mMaxThreads = (maxThreads == 0xFFFFFFFF ? std::thread::hardware_concurrency() : maxThreads);
+    }
+    checkToRunPendingTasks();
+}
+
+bool AsyncWorkerPool::isAsync()
+{
+    return true;
+}
+
+void AsyncWorkerPool::checkToRunPendingTasks()
+{
+    std::lock_guard<std::mutex> lock(mMutex);
+    while (mRunningThreads < mMaxThreads && !mTaskQueue.empty())
+    {
+        auto task = mTaskQueue.front();
+        mTaskQueue.pop();
+        auto waitable = task.first;
+        auto closure  = task.second;
+
+        auto future = std::async(std::launch::async, [closure, this] {
+            {
+                ANGLE_TRACE_EVENT0("gpu.angle", "AsyncWorkerPool::RunTask");
+                (*closure)();
+            }
+            {
+                std::lock_guard<std::mutex> lock(mMutex);
+                ASSERT(mRunningThreads != 0);
+                --mRunningThreads;
+            }
+            checkToRunPendingTasks();
+        });
+
+        ++mRunningThreads;
+
+        {
+            std::lock_guard<std::mutex> waitableLock(waitable->mMutex);
+            waitable->mIsPending = false;
+            waitable->setFuture(std::move(future));
+        }
+        waitable->mCondition.notify_all();
+    }
+}
+#endif  // (ANGLE_STD_ASYNC_WORKERS == ANGLE_ENABLED)
+
+#if (ANGLE_DELEGATE_WORKERS == ANGLE_ENABLED)
+class DelegateWaitableEvent final : public WaitableEvent
+{
+  public:
+    DelegateWaitableEvent()           = default;
+    ~DelegateWaitableEvent() override = default;
+
+    void wait() override;
+    bool isReady() override;
+
+    void markAsReady();
+
+  private:
+    // To protect the concurrent accesses from both main thread and background
+    // threads to the member fields.
+    std::mutex mMutex;
+
+    bool mIsReady = false;
+    std::condition_variable mCondition;
+};
+
+void DelegateWaitableEvent::markAsReady()
+{
+    std::lock_guard<std::mutex> lock(mMutex);
+    mIsReady = true;
+    mCondition.notify_all();
+}
+
+void DelegateWaitableEvent::wait()
+{
+    std::unique_lock<std::mutex> lock(mMutex);
+    mCondition.wait(lock, [this] { return mIsReady; });
+}
+
+bool DelegateWaitableEvent::isReady()
+{
+    std::lock_guard<std::mutex> lock(mMutex);
+    return mIsReady;
+}
+
+class DelegateWorkerPool final : public WorkerThreadPool
+{
+  public:
+    DelegateWorkerPool()           = default;
+    ~DelegateWorkerPool() override = default;
+
+    std::shared_ptr<WaitableEvent> postWorkerTask(std::shared_ptr<Closure> task) override;
+
+    void setMaxThreads(size_t maxThreads) override;
+    bool isAsync() override;
+};
+
+// A function wrapper to execute the closure and to notify the waitable
+// event after the execution.
+class DelegateWorkerTask
+{
+  public:
+    DelegateWorkerTask(std::shared_ptr<Closure> task,
+                       std::shared_ptr<DelegateWaitableEvent> waitable)
+        : mTask(task), mWaitable(waitable)
+    {}
+    DelegateWorkerTask()                     = delete;
+    DelegateWorkerTask(DelegateWorkerTask &) = delete;
+
+    static void RunTask(void *userData)
+    {
+        DelegateWorkerTask *workerTask = static_cast<DelegateWorkerTask *>(userData);
+        (*workerTask->mTask)();
+        workerTask->mWaitable->markAsReady();
+
+        // Delete the task after its execution.
+        delete workerTask;
+    }
+
+  private:
+    ~DelegateWorkerTask() = default;
+
+    std::shared_ptr<Closure> mTask;
+    std::shared_ptr<DelegateWaitableEvent> mWaitable;
+};
+
+std::shared_ptr<WaitableEvent> DelegateWorkerPool::postWorkerTask(std::shared_ptr<Closure> task)
+{
+    auto waitable = std::make_shared<DelegateWaitableEvent>();
+
+    // The task will be deleted by DelegateWorkerTask::RunTask(...) after its execution.
+    DelegateWorkerTask *workerTask = new DelegateWorkerTask(task, waitable);
+    auto *platform                 = ANGLEPlatformCurrent();
+    platform->postWorkerTask(platform, DelegateWorkerTask::RunTask, workerTask);
+
+    return std::move(waitable);
+}
+
+void DelegateWorkerPool::setMaxThreads(size_t maxThreads) {}
+
+bool DelegateWorkerPool::isAsync()
+{
+    return true;
+}
+#endif
+
+// static
+std::shared_ptr<WorkerThreadPool> WorkerThreadPool::Create(bool multithreaded)
+{
+    std::shared_ptr<WorkerThreadPool> pool(nullptr);
+
+#if (ANGLE_DELEGATE_WORKERS == ANGLE_ENABLED)
+    const bool hasPostWorkerTaskImpl = ANGLEPlatformCurrent()->postWorkerTask;
+    if (hasPostWorkerTaskImpl && multithreaded)
+    {
+        pool = std::shared_ptr<WorkerThreadPool>(new DelegateWorkerPool());
+    }
+#endif
+#if (ANGLE_STD_ASYNC_WORKERS == ANGLE_ENABLED)
+    if (!pool && multithreaded)
+    {
+        pool = std::shared_ptr<WorkerThreadPool>(
+            new AsyncWorkerPool(std::thread::hardware_concurrency()));
+    }
+#endif
+    if (!pool)
+    {
+        return std::shared_ptr<WorkerThreadPool>(new SingleThreadedWorkerPool());
+    }
+    return pool;
+}
+
+// static
+std::shared_ptr<WaitableEvent> WorkerThreadPool::PostWorkerTask(
+    std::shared_ptr<WorkerThreadPool> pool,
+    std::shared_ptr<Closure> task)
+{
+    std::shared_ptr<WaitableEvent> event = pool->postWorkerTask(task);
+    if (event.get())
+    {
+        event->setWorkerThreadPool(pool);
+    }
+    return event;
+}
+
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/WorkerThread.h b/gfx/angle/checkout/src/libANGLE/WorkerThread.h
new file mode 100644
index 0000000000..6ef94fcc5b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/WorkerThread.h
@@ -0,0 +1,94 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// WorkerThread:
+//   Asychronous tasks/threads for ANGLE, similar to a TaskRunner in Chromium.
+//   Can be implemented as different targets, depending on platform.
+//
+
+#ifndef LIBANGLE_WORKER_THREAD_H_
+#define LIBANGLE_WORKER_THREAD_H_
+
+#include <array>
+#include <memory>
+#include <vector>
+
+#include "common/debug.h"
+#include "libANGLE/features.h"
+
+namespace angle
+{
+
+class WorkerThreadPool;
+
+// A callback function with no return value and no arguments.
+class Closure
+{
+  public:
+    virtual ~Closure()        = default;
+    virtual void operator()() = 0;
+};
+
+// An event that we can wait on, useful for joining worker threads.
+class WaitableEvent : angle::NonCopyable
+{
+  public:
+    WaitableEvent();
+    virtual ~WaitableEvent();
+
+    // Waits indefinitely for the event to be signaled.
+    virtual void wait() = 0;
+
+    // Peeks whether the event is ready. If ready, wait() will not block.
+    virtual bool isReady() = 0;
+    void setWorkerThreadPool(std::shared_ptr<WorkerThreadPool> pool) { mPool = pool; }
+
+    template <size_t Count>
+    static void WaitMany(std::array<std::shared_ptr<WaitableEvent>, Count> *waitables)
+    {
+        ASSERT(Count > 0);
+        for (size_t index = 0; index < Count; ++index)
+        {
+            (*waitables)[index]->wait();
+        }
+    }
+
+  private:
+    std::shared_ptr<WorkerThreadPool> mPool;
+};
+
+// A mock waitable event.
+class WaitableEventDone final : public WaitableEvent
+{
+  public:
+    void wait() override;
+    bool isReady() override;
+};
+
+// Request WorkerThreads from the WorkerThreadPool. Each pool can keep worker threads around so
+// we avoid the costly spin up and spin down time.
+class WorkerThreadPool : angle::NonCopyable
+{
+  public:
+    WorkerThreadPool();
+    virtual ~WorkerThreadPool();
+
+    static std::shared_ptr<WorkerThreadPool> Create(bool multithreaded);
+    static std::shared_ptr<WaitableEvent> PostWorkerTask(std::shared_ptr<WorkerThreadPool> pool,
+                                                         std::shared_ptr<Closure> task);
+
+    virtual void setMaxThreads(size_t maxThreads) = 0;
+
+    virtual bool isAsync() = 0;
+
+  private:
+    // Returns an event to wait on for the task to finish.
+    // If the pool fails to create the task, returns null.
+    virtual std::shared_ptr<WaitableEvent> postWorkerTask(std::shared_ptr<Closure> task) = 0;
+};
+
+}  // namespace angle
+
+#endif  // LIBANGLE_WORKER_THREAD_H_
diff --git a/gfx/angle/checkout/src/libANGLE/angletypes.cpp b/gfx/angle/checkout/src/libANGLE/angletypes.cpp
new file mode 100644
index 0000000000..19f9a25441
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/angletypes.cpp
@@ -0,0 +1,1039 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// angletypes.h : Defines a variety of structures and enum types that are used throughout libGLESv2
+
+#include "libANGLE/angletypes.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/State.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/VertexAttribute.h"
+
+#include <limits>
+
+namespace gl
+{
+namespace
+{
+bool IsStencilNoOp(GLenum stencilFunc,
+                   GLenum stencilFail,
+                   GLenum stencilPassDepthFail,
+                   GLenum stencilPassDepthPass)
+{
+    const bool isNeverAndKeep           = stencilFunc == GL_NEVER && stencilFail == GL_KEEP;
+    const bool isAlwaysAndKeepOrAllKeep = (stencilFunc == GL_ALWAYS || stencilFail == GL_KEEP) &&
+                                          stencilPassDepthFail == GL_KEEP &&
+                                          stencilPassDepthPass == GL_KEEP;
+
+    return isNeverAndKeep || isAlwaysAndKeepOrAllKeep;
+}
+
+// Calculate whether the range [outsideLow, outsideHigh] encloses the range [insideLow, insideHigh]
+bool EnclosesRange(int outsideLow, int outsideHigh, int insideLow, int insideHigh)
+{
+    return outsideLow <= insideLow && outsideHigh >= insideHigh;
+}
+
+bool IsAdvancedBlendEquation(gl::BlendEquationType blendEquation)
+{
+    return blendEquation >= gl::BlendEquationType::Multiply &&
+           blendEquation <= gl::BlendEquationType::HslLuminosity;
+}
+}  // anonymous namespace
+
+RasterizerState::RasterizerState()
+{
+    memset(this, 0, sizeof(RasterizerState));
+
+    rasterizerDiscard   = false;
+    cullFace            = false;
+    cullMode            = CullFaceMode::Back;
+    frontFace           = GL_CCW;
+    polygonOffsetFill   = false;
+    polygonOffsetFactor = 0.0f;
+    polygonOffsetUnits  = 0.0f;
+    pointDrawMode       = false;
+    multiSample         = false;
+    dither              = true;
+}
+
+RasterizerState::RasterizerState(const RasterizerState &other)
+{
+    memcpy(this, &other, sizeof(RasterizerState));
+}
+
+RasterizerState &RasterizerState::operator=(const RasterizerState &other)
+{
+    memcpy(this, &other, sizeof(RasterizerState));
+    return *this;
+}
+
+bool operator==(const RasterizerState &a, const RasterizerState &b)
+{
+    return memcmp(&a, &b, sizeof(RasterizerState)) == 0;
+}
+
+bool operator!=(const RasterizerState &a, const RasterizerState &b)
+{
+    return !(a == b);
+}
+
+BlendState::BlendState()
+{
+    memset(this, 0, sizeof(BlendState));
+
+    blend              = false;
+    sourceBlendRGB     = GL_ONE;
+    sourceBlendAlpha   = GL_ONE;
+    destBlendRGB       = GL_ZERO;
+    destBlendAlpha     = GL_ZERO;
+    blendEquationRGB   = GL_FUNC_ADD;
+    blendEquationAlpha = GL_FUNC_ADD;
+    colorMaskRed       = true;
+    colorMaskGreen     = true;
+    colorMaskBlue      = true;
+    colorMaskAlpha     = true;
+}
+
+BlendState::BlendState(const BlendState &other)
+{
+    memcpy(this, &other, sizeof(BlendState));
+}
+
+bool operator==(const BlendState &a, const BlendState &b)
+{
+    return memcmp(&a, &b, sizeof(BlendState)) == 0;
+}
+
+bool operator!=(const BlendState &a, const BlendState &b)
+{
+    return !(a == b);
+}
+
+DepthStencilState::DepthStencilState()
+{
+    memset(this, 0, sizeof(DepthStencilState));
+
+    depthTest                = false;
+    depthFunc                = GL_LESS;
+    depthMask                = true;
+    stencilTest              = false;
+    stencilFunc              = GL_ALWAYS;
+    stencilMask              = static_cast<GLuint>(-1);
+    stencilWritemask         = static_cast<GLuint>(-1);
+    stencilBackFunc          = GL_ALWAYS;
+    stencilBackMask          = static_cast<GLuint>(-1);
+    stencilBackWritemask     = static_cast<GLuint>(-1);
+    stencilFail              = GL_KEEP;
+    stencilPassDepthFail     = GL_KEEP;
+    stencilPassDepthPass     = GL_KEEP;
+    stencilBackFail          = GL_KEEP;
+    stencilBackPassDepthFail = GL_KEEP;
+    stencilBackPassDepthPass = GL_KEEP;
+}
+
+DepthStencilState::DepthStencilState(const DepthStencilState &other)
+{
+    memcpy(this, &other, sizeof(DepthStencilState));
+}
+
+DepthStencilState &DepthStencilState::operator=(const DepthStencilState &other)
+{
+    memcpy(this, &other, sizeof(DepthStencilState));
+    return *this;
+}
+
+bool DepthStencilState::isDepthMaskedOut() const
+{
+    return !depthMask;
+}
+
+bool DepthStencilState::isStencilMaskedOut() const
+{
+    return (stencilMask & stencilWritemask) == 0;
+}
+
+bool DepthStencilState::isStencilNoOp() const
+{
+    return isStencilMaskedOut() ||
+           IsStencilNoOp(stencilFunc, stencilFail, stencilPassDepthFail, stencilPassDepthPass);
+}
+
+bool DepthStencilState::isStencilBackNoOp() const
+{
+    const bool isStencilBackMaskedOut = (stencilBackMask & stencilBackWritemask) == 0;
+    return isStencilBackMaskedOut ||
+           IsStencilNoOp(stencilBackFunc, stencilBackFail, stencilBackPassDepthFail,
+                         stencilBackPassDepthPass);
+}
+
+bool operator==(const DepthStencilState &a, const DepthStencilState &b)
+{
+    return memcmp(&a, &b, sizeof(DepthStencilState)) == 0;
+}
+
+bool operator!=(const DepthStencilState &a, const DepthStencilState &b)
+{
+    return !(a == b);
+}
+
+SamplerState::SamplerState()
+{
+    memset(this, 0, sizeof(SamplerState));
+
+    setMinFilter(GL_NEAREST_MIPMAP_LINEAR);
+    setMagFilter(GL_LINEAR);
+    setWrapS(GL_REPEAT);
+    setWrapT(GL_REPEAT);
+    setWrapR(GL_REPEAT);
+    setMaxAnisotropy(1.0f);
+    setMinLod(-1000.0f);
+    setMaxLod(1000.0f);
+    setCompareMode(GL_NONE);
+    setCompareFunc(GL_LEQUAL);
+    setSRGBDecode(GL_DECODE_EXT);
+}
+
+SamplerState::SamplerState(const SamplerState &other) = default;
+
+SamplerState &SamplerState::operator=(const SamplerState &other) = default;
+
+// static
+SamplerState SamplerState::CreateDefaultForTarget(TextureType type)
+{
+    SamplerState state;
+
+    // According to OES_EGL_image_external and ARB_texture_rectangle: For external textures, the
+    // default min filter is GL_LINEAR and the default s and t wrap modes are GL_CLAMP_TO_EDGE.
+    if (type == TextureType::External || type == TextureType::Rectangle)
+    {
+        state.mMinFilter = GL_LINEAR;
+        state.mWrapS     = GL_CLAMP_TO_EDGE;
+        state.mWrapT     = GL_CLAMP_TO_EDGE;
+    }
+
+    return state;
+}
+
+bool SamplerState::setMinFilter(GLenum minFilter)
+{
+    if (mMinFilter != minFilter)
+    {
+        mMinFilter                    = minFilter;
+        mCompleteness.typed.minFilter = static_cast<uint8_t>(FromGLenum<FilterMode>(minFilter));
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setMagFilter(GLenum magFilter)
+{
+    if (mMagFilter != magFilter)
+    {
+        mMagFilter                    = magFilter;
+        mCompleteness.typed.magFilter = static_cast<uint8_t>(FromGLenum<FilterMode>(magFilter));
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setWrapS(GLenum wrapS)
+{
+    if (mWrapS != wrapS)
+    {
+        mWrapS                    = wrapS;
+        mCompleteness.typed.wrapS = static_cast<uint8_t>(FromGLenum<WrapMode>(wrapS));
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setWrapT(GLenum wrapT)
+{
+    if (mWrapT != wrapT)
+    {
+        mWrapT = wrapT;
+        updateWrapTCompareMode();
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setWrapR(GLenum wrapR)
+{
+    if (mWrapR != wrapR)
+    {
+        mWrapR = wrapR;
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setMaxAnisotropy(float maxAnisotropy)
+{
+    if (mMaxAnisotropy != maxAnisotropy)
+    {
+        mMaxAnisotropy = maxAnisotropy;
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setMinLod(GLfloat minLod)
+{
+    if (mMinLod != minLod)
+    {
+        mMinLod = minLod;
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setMaxLod(GLfloat maxLod)
+{
+    if (mMaxLod != maxLod)
+    {
+        mMaxLod = maxLod;
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setCompareMode(GLenum compareMode)
+{
+    if (mCompareMode != compareMode)
+    {
+        mCompareMode = compareMode;
+        updateWrapTCompareMode();
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setCompareFunc(GLenum compareFunc)
+{
+    if (mCompareFunc != compareFunc)
+    {
+        mCompareFunc = compareFunc;
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setSRGBDecode(GLenum sRGBDecode)
+{
+    if (mSRGBDecode != sRGBDecode)
+    {
+        mSRGBDecode = sRGBDecode;
+        return true;
+    }
+    return false;
+}
+
+bool SamplerState::setBorderColor(const ColorGeneric &color)
+{
+    if (mBorderColor != color)
+    {
+        mBorderColor = color;
+        return true;
+    }
+    return false;
+}
+
+void SamplerState::updateWrapTCompareMode()
+{
+    uint8_t wrap    = static_cast<uint8_t>(FromGLenum<WrapMode>(mWrapT));
+    uint8_t compare = static_cast<uint8_t>(mCompareMode == GL_NONE ? 0x10 : 0x00);
+    mCompleteness.typed.wrapTCompareMode = wrap | compare;
+}
+
+ImageUnit::ImageUnit()
+    : texture(), level(0), layered(false), layer(0), access(GL_READ_ONLY), format(GL_R32UI)
+{}
+
+ImageUnit::ImageUnit(const ImageUnit &other) = default;
+
+ImageUnit::~ImageUnit() = default;
+
+BlendStateExt::BlendStateExt(const size_t drawBufferCount)
+    : mParameterMask(FactorStorage::GetMask(drawBufferCount)),
+      mSrcColor(FactorStorage::GetReplicatedValue(BlendFactorType::One, mParameterMask)),
+      mDstColor(FactorStorage::GetReplicatedValue(BlendFactorType::Zero, mParameterMask)),
+      mSrcAlpha(FactorStorage::GetReplicatedValue(BlendFactorType::One, mParameterMask)),
+      mDstAlpha(FactorStorage::GetReplicatedValue(BlendFactorType::Zero, mParameterMask)),
+      mEquationColor(EquationStorage::GetReplicatedValue(BlendEquationType::Add, mParameterMask)),
+      mEquationAlpha(EquationStorage::GetReplicatedValue(BlendEquationType::Add, mParameterMask)),
+      mAllColorMask(
+          ColorMaskStorage::GetReplicatedValue(PackColorMask(true, true, true, true),
+                                               ColorMaskStorage::GetMask(drawBufferCount))),
+      mColorMask(mAllColorMask),
+      mAllEnabledMask(0xFF >> (8 - drawBufferCount)),
+      mDrawBufferCount(drawBufferCount)
+{}
+
+BlendStateExt::BlendStateExt(const BlendStateExt &other) = default;
+
+BlendStateExt &BlendStateExt::operator=(const BlendStateExt &other) = default;
+
+void BlendStateExt::setEnabled(const bool enabled)
+{
+    mEnabledMask = enabled ? mAllEnabledMask : DrawBufferMask::Zero();
+}
+
+void BlendStateExt::setEnabledIndexed(const size_t index, const bool enabled)
+{
+    ASSERT(index < mDrawBufferCount);
+    mEnabledMask.set(index, enabled);
+}
+
+BlendStateExt::ColorMaskStorage::Type BlendStateExt::expandColorMaskValue(const bool red,
+                                                                          const bool green,
+                                                                          const bool blue,
+                                                                          const bool alpha) const
+{
+    return BlendStateExt::ColorMaskStorage::GetReplicatedValue(
+        PackColorMask(red, green, blue, alpha), mAllColorMask);
+}
+
+BlendStateExt::ColorMaskStorage::Type BlendStateExt::expandColorMaskIndexed(
+    const size_t index) const
+{
+    return ColorMaskStorage::GetReplicatedValue(
+        ColorMaskStorage::GetValueIndexed(index, mColorMask), mAllColorMask);
+}
+
+void BlendStateExt::setColorMask(const bool red,
+                                 const bool green,
+                                 const bool blue,
+                                 const bool alpha)
+{
+    mColorMask = expandColorMaskValue(red, green, blue, alpha);
+}
+
+void BlendStateExt::setColorMaskIndexed(const size_t index, const uint8_t value)
+{
+    ASSERT(index < mDrawBufferCount);
+    ASSERT(value <= 0xF);
+    ColorMaskStorage::SetValueIndexed(index, value, &mColorMask);
+}
+
+void BlendStateExt::setColorMaskIndexed(const size_t index,
+                                        const bool red,
+                                        const bool green,
+                                        const bool blue,
+                                        const bool alpha)
+{
+    ASSERT(index < mDrawBufferCount);
+    ColorMaskStorage::SetValueIndexed(index, PackColorMask(red, green, blue, alpha), &mColorMask);
+}
+
+uint8_t BlendStateExt::getColorMaskIndexed(const size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return ColorMaskStorage::GetValueIndexed(index, mColorMask);
+}
+
+void BlendStateExt::getColorMaskIndexed(const size_t index,
+                                        bool *red,
+                                        bool *green,
+                                        bool *blue,
+                                        bool *alpha) const
+{
+    ASSERT(index < mDrawBufferCount);
+    UnpackColorMask(ColorMaskStorage::GetValueIndexed(index, mColorMask), red, green, blue, alpha);
+}
+
+DrawBufferMask BlendStateExt::compareColorMask(ColorMaskStorage::Type other) const
+{
+    return ColorMaskStorage::GetDiffMask(mColorMask, other);
+}
+
+BlendStateExt::EquationStorage::Type BlendStateExt::expandEquationValue(const GLenum mode) const
+{
+    return EquationStorage::GetReplicatedValue(FromGLenum<BlendEquationType>(mode), mParameterMask);
+}
+
+BlendStateExt::EquationStorage::Type BlendStateExt::expandEquationValue(
+    const gl::BlendEquationType equation) const
+{
+    return EquationStorage::GetReplicatedValue(equation, mParameterMask);
+}
+
+BlendStateExt::EquationStorage::Type BlendStateExt::expandEquationColorIndexed(
+    const size_t index) const
+{
+    return EquationStorage::GetReplicatedValue(
+        EquationStorage::GetValueIndexed(index, mEquationColor), mParameterMask);
+}
+
+BlendStateExt::EquationStorage::Type BlendStateExt::expandEquationAlphaIndexed(
+    const size_t index) const
+{
+    return EquationStorage::GetReplicatedValue(
+        EquationStorage::GetValueIndexed(index, mEquationAlpha), mParameterMask);
+}
+
+void BlendStateExt::setEquations(const GLenum modeColor, const GLenum modeAlpha)
+{
+    const gl::BlendEquationType colorEquation = FromGLenum<BlendEquationType>(modeColor);
+    const gl::BlendEquationType alphaEquation = FromGLenum<BlendEquationType>(modeAlpha);
+
+    mEquationColor = expandEquationValue(colorEquation);
+    mEquationAlpha = expandEquationValue(alphaEquation);
+
+    // Note that advanced blend equations cannot be independently set for color and alpha, so only
+    // the color equation can be checked.
+    if (IsAdvancedBlendEquation(colorEquation))
+    {
+        mUsesAdvancedBlendEquationMask = mAllEnabledMask;
+    }
+    else
+    {
+        mUsesAdvancedBlendEquationMask.reset();
+    }
+}
+
+void BlendStateExt::setEquationsIndexed(const size_t index,
+                                        const GLenum modeColor,
+                                        const GLenum modeAlpha)
+{
+    ASSERT(index < mDrawBufferCount);
+
+    const gl::BlendEquationType colorEquation = FromGLenum<BlendEquationType>(modeColor);
+    const gl::BlendEquationType alphaEquation = FromGLenum<BlendEquationType>(modeAlpha);
+
+    EquationStorage::SetValueIndexed(index, colorEquation, &mEquationColor);
+    EquationStorage::SetValueIndexed(index, alphaEquation, &mEquationAlpha);
+
+    mUsesAdvancedBlendEquationMask.set(index, IsAdvancedBlendEquation(colorEquation));
+}
+
+void BlendStateExt::setEquationsIndexed(const size_t index,
+                                        const size_t sourceIndex,
+                                        const BlendStateExt &source)
+{
+    ASSERT(index < mDrawBufferCount);
+    ASSERT(sourceIndex < source.mDrawBufferCount);
+
+    const gl::BlendEquationType colorEquation =
+        EquationStorage::GetValueIndexed(sourceIndex, source.mEquationColor);
+    const gl::BlendEquationType alphaEquation =
+        EquationStorage::GetValueIndexed(sourceIndex, source.mEquationAlpha);
+
+    EquationStorage::SetValueIndexed(index, colorEquation, &mEquationColor);
+    EquationStorage::SetValueIndexed(index, alphaEquation, &mEquationAlpha);
+
+    mUsesAdvancedBlendEquationMask.set(index, IsAdvancedBlendEquation(colorEquation));
+}
+
+GLenum BlendStateExt::getEquationColorIndexed(size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return ToGLenum(EquationStorage::GetValueIndexed(index, mEquationColor));
+}
+
+GLenum BlendStateExt::getEquationAlphaIndexed(size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return ToGLenum(EquationStorage::GetValueIndexed(index, mEquationAlpha));
+}
+
+DrawBufferMask BlendStateExt::compareEquations(const EquationStorage::Type color,
+                                               const EquationStorage::Type alpha) const
+{
+    return EquationStorage::GetDiffMask(mEquationColor, color) |
+           EquationStorage::GetDiffMask(mEquationAlpha, alpha);
+}
+
+BlendStateExt::FactorStorage::Type BlendStateExt::expandFactorValue(const GLenum func) const
+{
+    return FactorStorage::GetReplicatedValue(FromGLenum<BlendFactorType>(func), mParameterMask);
+}
+
+BlendStateExt::FactorStorage::Type BlendStateExt::expandSrcColorIndexed(const size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return FactorStorage::GetReplicatedValue(FactorStorage::GetValueIndexed(index, mSrcColor),
+                                             mParameterMask);
+}
+
+BlendStateExt::FactorStorage::Type BlendStateExt::expandDstColorIndexed(const size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return FactorStorage::GetReplicatedValue(FactorStorage::GetValueIndexed(index, mDstColor),
+                                             mParameterMask);
+}
+
+BlendStateExt::FactorStorage::Type BlendStateExt::expandSrcAlphaIndexed(const size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return FactorStorage::GetReplicatedValue(FactorStorage::GetValueIndexed(index, mSrcAlpha),
+                                             mParameterMask);
+}
+
+BlendStateExt::FactorStorage::Type BlendStateExt::expandDstAlphaIndexed(const size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return FactorStorage::GetReplicatedValue(FactorStorage::GetValueIndexed(index, mDstAlpha),
+                                             mParameterMask);
+}
+
+void BlendStateExt::setFactors(const GLenum srcColor,
+                               const GLenum dstColor,
+                               const GLenum srcAlpha,
+                               const GLenum dstAlpha)
+{
+    mSrcColor = expandFactorValue(srcColor);
+    mDstColor = expandFactorValue(dstColor);
+    mSrcAlpha = expandFactorValue(srcAlpha);
+    mDstAlpha = expandFactorValue(dstAlpha);
+}
+
+void BlendStateExt::setFactorsIndexed(const size_t index,
+                                      const GLenum srcColor,
+                                      const GLenum dstColor,
+                                      const GLenum srcAlpha,
+                                      const GLenum dstAlpha)
+{
+    ASSERT(index < mDrawBufferCount);
+    FactorStorage::SetValueIndexed(index, FromGLenum<BlendFactorType>(srcColor), &mSrcColor);
+    FactorStorage::SetValueIndexed(index, FromGLenum<BlendFactorType>(dstColor), &mDstColor);
+    FactorStorage::SetValueIndexed(index, FromGLenum<BlendFactorType>(srcAlpha), &mSrcAlpha);
+    FactorStorage::SetValueIndexed(index, FromGLenum<BlendFactorType>(dstAlpha), &mDstAlpha);
+}
+
+void BlendStateExt::setFactorsIndexed(const size_t index,
+                                      const size_t sourceIndex,
+                                      const BlendStateExt &source)
+{
+    ASSERT(index < mDrawBufferCount);
+    ASSERT(sourceIndex < source.mDrawBufferCount);
+    FactorStorage::SetValueIndexed(
+        index, FactorStorage::GetValueIndexed(sourceIndex, source.mSrcColor), &mSrcColor);
+    FactorStorage::SetValueIndexed(
+        index, FactorStorage::GetValueIndexed(sourceIndex, source.mDstColor), &mDstColor);
+    FactorStorage::SetValueIndexed(
+        index, FactorStorage::GetValueIndexed(sourceIndex, source.mSrcAlpha), &mSrcAlpha);
+    FactorStorage::SetValueIndexed(
+        index, FactorStorage::GetValueIndexed(sourceIndex, source.mDstAlpha), &mDstAlpha);
+}
+
+GLenum BlendStateExt::getSrcColorIndexed(size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return ToGLenum(FactorStorage::GetValueIndexed(index, mSrcColor));
+}
+
+GLenum BlendStateExt::getDstColorIndexed(size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return ToGLenum(FactorStorage::GetValueIndexed(index, mDstColor));
+}
+
+GLenum BlendStateExt::getSrcAlphaIndexed(size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return ToGLenum(FactorStorage::GetValueIndexed(index, mSrcAlpha));
+}
+
+GLenum BlendStateExt::getDstAlphaIndexed(size_t index) const
+{
+    ASSERT(index < mDrawBufferCount);
+    return ToGLenum(FactorStorage::GetValueIndexed(index, mDstAlpha));
+}
+
+DrawBufferMask BlendStateExt::compareFactors(const FactorStorage::Type srcColor,
+                                             const FactorStorage::Type dstColor,
+                                             const FactorStorage::Type srcAlpha,
+                                             const FactorStorage::Type dstAlpha) const
+{
+    return FactorStorage::GetDiffMask(mSrcColor, srcColor) |
+           FactorStorage::GetDiffMask(mDstColor, dstColor) |
+           FactorStorage::GetDiffMask(mSrcAlpha, srcAlpha) |
+           FactorStorage::GetDiffMask(mDstAlpha, dstAlpha);
+}
+
+static void MinMax(int a, int b, int *minimum, int *maximum)
+{
+    if (a < b)
+    {
+        *minimum = a;
+        *maximum = b;
+    }
+    else
+    {
+        *minimum = b;
+        *maximum = a;
+    }
+}
+
+template <>
+bool RectangleImpl<int>::empty() const
+{
+    return width == 0 && height == 0;
+}
+
+template <>
+bool RectangleImpl<float>::empty() const
+{
+    return std::abs(width) < std::numeric_limits<float>::epsilon() &&
+           std::abs(height) < std::numeric_limits<float>::epsilon();
+}
+
+bool ClipRectangle(const Rectangle &source, const Rectangle &clip, Rectangle *intersection)
+{
+    angle::CheckedNumeric<int> sourceX2(source.x);
+    sourceX2 += source.width;
+    if (!sourceX2.IsValid())
+    {
+        return false;
+    }
+    angle::CheckedNumeric<int> sourceY2(source.y);
+    sourceY2 += source.height;
+    if (!sourceY2.IsValid())
+    {
+        return false;
+    }
+
+    int minSourceX, maxSourceX, minSourceY, maxSourceY;
+    MinMax(source.x, sourceX2.ValueOrDie(), &minSourceX, &maxSourceX);
+    MinMax(source.y, sourceY2.ValueOrDie(), &minSourceY, &maxSourceY);
+
+    angle::CheckedNumeric<int> clipX2(clip.x);
+    clipX2 += clip.width;
+    if (!clipX2.IsValid())
+    {
+        return false;
+    }
+    angle::CheckedNumeric<int> clipY2(clip.y);
+    clipY2 += clip.height;
+    if (!clipY2.IsValid())
+    {
+        return false;
+    }
+
+    int minClipX, maxClipX, minClipY, maxClipY;
+    MinMax(clip.x, clipX2.ValueOrDie(), &minClipX, &maxClipX);
+    MinMax(clip.y, clipY2.ValueOrDie(), &minClipY, &maxClipY);
+
+    if (minSourceX >= maxClipX || maxSourceX <= minClipX || minSourceY >= maxClipY ||
+        maxSourceY <= minClipY)
+    {
+        return false;
+    }
+
+    int x      = std::max(minSourceX, minClipX);
+    int y      = std::max(minSourceY, minClipY);
+    int width  = std::min(maxSourceX, maxClipX) - x;
+    int height = std::min(maxSourceY, maxClipY) - y;
+
+    if (intersection)
+    {
+        intersection->x      = x;
+        intersection->y      = y;
+        intersection->width  = width;
+        intersection->height = height;
+    }
+    return width != 0 && height != 0;
+}
+
+void GetEnclosingRectangle(const Rectangle &rect1, const Rectangle &rect2, Rectangle *rectUnion)
+{
+    // All callers use non-flipped framebuffer-size-clipped rectangles, so both flip and overflow
+    // are impossible.
+    ASSERT(!rect1.isReversedX() && !rect1.isReversedY());
+    ASSERT(!rect2.isReversedX() && !rect2.isReversedY());
+    ASSERT((angle::CheckedNumeric<int>(rect1.x) + rect1.width).IsValid());
+    ASSERT((angle::CheckedNumeric<int>(rect1.y) + rect1.height).IsValid());
+    ASSERT((angle::CheckedNumeric<int>(rect2.x) + rect2.width).IsValid());
+    ASSERT((angle::CheckedNumeric<int>(rect2.y) + rect2.height).IsValid());
+
+    // This function calculates a rectangle that covers both input rectangles:
+    //
+    //                     +---------+
+    //          rect1 -->  |         |
+    //                     |     +---+-----+
+    //                     |     |   |     | <-- rect2
+    //                     +-----+---+     |
+    //                           |         |
+    //                           +---------+
+    //
+    //   xy0 = min(rect1.xy0, rect2.xy0)
+    //                    \
+    //                     +---------+-----+
+    //          union -->  |         .     |
+    //                     |     + . + . . +
+    //                     |     .   .     |
+    //                     + . . + . +     |
+    //                     |     .         |
+    //                     +-----+---------+
+    //                                    /
+    //                         xy1 = max(rect1.xy1, rect2.xy1)
+
+    int x0 = std::min(rect1.x0(), rect2.x0());
+    int y0 = std::min(rect1.y0(), rect2.y0());
+
+    int x1 = std::max(rect1.x1(), rect2.x1());
+    int y1 = std::max(rect1.y1(), rect2.y1());
+
+    rectUnion->x      = x0;
+    rectUnion->y      = y0;
+    rectUnion->width  = x1 - x0;
+    rectUnion->height = y1 - y0;
+}
+
+void ExtendRectangle(const Rectangle &source, const Rectangle &extend, Rectangle *extended)
+{
+    // All callers use non-flipped framebuffer-size-clipped rectangles, so both flip and overflow
+    // are impossible.
+    ASSERT(!source.isReversedX() && !source.isReversedY());
+    ASSERT(!extend.isReversedX() && !extend.isReversedY());
+    ASSERT((angle::CheckedNumeric<int>(source.x) + source.width).IsValid());
+    ASSERT((angle::CheckedNumeric<int>(source.y) + source.height).IsValid());
+    ASSERT((angle::CheckedNumeric<int>(extend.x) + extend.width).IsValid());
+    ASSERT((angle::CheckedNumeric<int>(extend.y) + extend.height).IsValid());
+
+    int x0 = source.x0();
+    int x1 = source.x1();
+    int y0 = source.y0();
+    int y1 = source.y1();
+
+    const int extendX0 = extend.x0();
+    const int extendX1 = extend.x1();
+    const int extendY0 = extend.y0();
+    const int extendY1 = extend.y1();
+
+    // For each side of the rectangle, calculate whether it can be extended by the second rectangle.
+    // If so, extend it and continue for the next side with the new dimensions.
+
+    // Left: Reduce x0 if the second rectangle's vertical edge covers the source's:
+    //
+    //     +--- - - -                +--- - - -
+    //     |                         |
+    //     |  +--------------+       +-----------------+
+    //     |  |    source    |  -->  |       source    |
+    //     |  +--------------+       +-----------------+
+    //     |                         |
+    //     +--- - - -                +--- - - -
+    //
+    const bool enclosesHeight = EnclosesRange(extendY0, extendY1, y0, y1);
+    if (extendX0 < x0 && extendX1 >= x0 && enclosesHeight)
+    {
+        x0 = extendX0;
+    }
+
+    // Right: Increase x1 simiarly.
+    if (extendX0 <= x1 && extendX1 > x1 && enclosesHeight)
+    {
+        x1 = extendX1;
+    }
+
+    // Top: Reduce y0 if the second rectangle's horizontal edge covers the source's potentially
+    // extended edge.
+    const bool enclosesWidth = EnclosesRange(extendX0, extendX1, x0, x1);
+    if (extendY0 < y0 && extendY1 >= y0 && enclosesWidth)
+    {
+        y0 = extendY0;
+    }
+
+    // Right: Increase y1 simiarly.
+    if (extendY0 <= y1 && extendY1 > y1 && enclosesWidth)
+    {
+        y1 = extendY1;
+    }
+
+    extended->x      = x0;
+    extended->y      = y0;
+    extended->width  = x1 - x0;
+    extended->height = y1 - y0;
+}
+
+bool Box::valid() const
+{
+    return width != 0 && height != 0 && depth != 0;
+}
+
+bool Box::operator==(const Box &other) const
+{
+    return (x == other.x && y == other.y && z == other.z && width == other.width &&
+            height == other.height && depth == other.depth);
+}
+
+bool Box::operator!=(const Box &other) const
+{
+    return !(*this == other);
+}
+
+Rectangle Box::toRect() const
+{
+    ASSERT(z == 0 && depth == 1);
+    return Rectangle(x, y, width, height);
+}
+
+bool Box::coversSameExtent(const Extents &size) const
+{
+    return x == 0 && y == 0 && z == 0 && width == size.width && height == size.height &&
+           depth == size.depth;
+}
+
+bool Box::contains(const Box &other) const
+{
+    return x <= other.x && y <= other.y && z <= other.z && x + width >= other.x + other.width &&
+           y + height >= other.y + other.height && z + depth >= other.z + other.depth;
+}
+
+size_t Box::volume() const
+{
+    return width * height * depth;
+}
+
+void Box::extend(const Box &other)
+{
+    // This extends the logic of "ExtendRectangle" to 3 dimensions
+
+    int x0 = x;
+    int x1 = x + width;
+    int y0 = y;
+    int y1 = y + height;
+    int z0 = z;
+    int z1 = z + depth;
+
+    const int otherx0 = other.x;
+    const int otherx1 = other.x + other.width;
+    const int othery0 = other.y;
+    const int othery1 = other.y + other.height;
+    const int otherz0 = other.z;
+    const int otherz1 = other.z + other.depth;
+
+    // For each side of the box, calculate whether it can be extended by the other box.
+    // If so, extend it and continue to the next side with the new dimensions.
+
+    const bool enclosesWidth  = EnclosesRange(otherx0, otherx1, x0, x1);
+    const bool enclosesHeight = EnclosesRange(othery0, othery1, y0, y1);
+    const bool enclosesDepth  = EnclosesRange(otherz0, otherz1, z0, z1);
+
+    // Left: Reduce x0 if the other box's Y and Z plane encloses the source
+    if (otherx0 < x0 && otherx1 >= x0 && enclosesHeight && enclosesDepth)
+    {
+        x0 = otherx0;
+    }
+
+    // Right: Increase x1 simiarly.
+    if (otherx0 <= x1 && otherx1 > x1 && enclosesHeight && enclosesDepth)
+    {
+        x1 = otherx1;
+    }
+
+    // Bottom: Reduce y0 if the other box's X and Z plane encloses the source
+    if (othery0 < y0 && othery1 >= y0 && enclosesWidth && enclosesDepth)
+    {
+        y0 = othery0;
+    }
+
+    // Top: Increase y1 simiarly.
+    if (othery0 <= y1 && othery1 > y1 && enclosesWidth && enclosesDepth)
+    {
+        y1 = othery1;
+    }
+
+    // Front: Reduce z0 if the other box's X and Y plane encloses the source
+    if (otherz0 < z0 && otherz1 >= z0 && enclosesWidth && enclosesHeight)
+    {
+        z0 = otherz0;
+    }
+
+    // Back: Increase z1 simiarly.
+    if (otherz0 <= z1 && otherz1 > z1 && enclosesWidth && enclosesHeight)
+    {
+        z1 = otherz1;
+    }
+
+    // Update member var with new dimensions
+    x      = x0;
+    width  = x1 - x0;
+    y      = y0;
+    height = y1 - y0;
+    z      = z0;
+    depth  = z1 - z0;
+}
+
+bool operator==(const Offset &a, const Offset &b)
+{
+    return a.x == b.x && a.y == b.y && a.z == b.z;
+}
+
+bool operator!=(const Offset &a, const Offset &b)
+{
+    return !(a == b);
+}
+
+bool operator==(const Extents &lhs, const Extents &rhs)
+{
+    return lhs.width == rhs.width && lhs.height == rhs.height && lhs.depth == rhs.depth;
+}
+
+bool operator!=(const Extents &lhs, const Extents &rhs)
+{
+    return !(lhs == rhs);
+}
+
+bool ValidateComponentTypeMasks(unsigned long outputTypes,
+                                unsigned long inputTypes,
+                                unsigned long outputMask,
+                                unsigned long inputMask)
+{
+    static_assert(IMPLEMENTATION_MAX_DRAW_BUFFERS <= kMaxComponentTypeMaskIndex,
+                  "Output/input masks should fit into 16 bits - 1 bit per draw buffer. The "
+                  "corresponding type masks should fit into 32 bits - 2 bits per draw buffer.");
+    static_assert(MAX_VERTEX_ATTRIBS <= kMaxComponentTypeMaskIndex,
+                  "Output/input masks should fit into 16 bits - 1 bit per attrib. The "
+                  "corresponding type masks should fit into 32 bits - 2 bits per attrib.");
+
+    // For performance reasons, draw buffer and attribute type validation is done using bit masks.
+    // We store two bits representing the type split, with the low bit in the lower 16 bits of the
+    // variable, and the high bit in the upper 16 bits of the variable. This is done so we can AND
+    // with the elswewhere used DrawBufferMask or AttributeMask.
+
+    // OR the masks with themselves, shifted 16 bits. This is to match our split type bits.
+    outputMask |= (outputMask << kMaxComponentTypeMaskIndex);
+    inputMask |= (inputMask << kMaxComponentTypeMaskIndex);
+
+    // To validate:
+    // 1. Remove any indexes that are not enabled in the input (& inputMask)
+    // 2. Remove any indexes that exist in output, but not in input (& outputMask)
+    // 3. Use == to verify equality
+    return (outputTypes & inputMask) == ((inputTypes & outputMask) & inputMask);
+}
+
+GLsizeiptr GetBoundBufferAvailableSize(const OffsetBindingPointer<Buffer> &binding)
+{
+    Buffer *buffer = binding.get();
+    if (buffer == nullptr)
+    {
+        return 0;
+    }
+
+    const GLsizeiptr bufferSize = static_cast<GLsizeiptr>(buffer->getSize());
+
+    if (binding.getSize() == 0)
+    {
+        return bufferSize;
+    }
+
+    const GLintptr offset = binding.getOffset();
+    const GLsizeiptr size = binding.getSize();
+
+    ASSERT(offset >= 0 && bufferSize >= 0);
+
+    if (bufferSize <= offset)
+    {
+        return 0;
+    }
+
+    return std::min(size, bufferSize - offset);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/angletypes.h b/gfx/angle/checkout/src/libANGLE/angletypes.h
new file mode 100644
index 0000000000..6ac65a5cf3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/angletypes.h
@@ -0,0 +1,1203 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// angletypes.h : Defines a variety of structures and enum types that are used throughout libGLESv2
+
+#ifndef LIBANGLE_ANGLETYPES_H_
+#define LIBANGLE_ANGLETYPES_H_
+
+#include "common/Color.h"
+#include "common/FixedVector.h"
+#include "common/PackedEnums.h"
+#include "common/bitset_utils.h"
+#include "common/vector_utils.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+#include <inttypes.h>
+#include <stdint.h>
+
+#include <bitset>
+#include <map>
+#include <memory>
+#include <unordered_map>
+
+namespace gl
+{
+class Buffer;
+class Texture;
+
+enum class Command
+{
+    // The Blit command carries the bitmask of which buffers are being blit.  The command passed to
+    // the backends is:
+    //
+    //     Blit + (Color?0x1) + (Depth?0x2) + (Stencil?0x4)
+    Blit,
+    BlitAll = Blit + 0x7,
+    Clear,
+    CopyImage,
+    Dispatch,
+    Draw,
+    GenerateMipmap,
+    Invalidate,
+    ReadPixels,
+    TexImage,
+    Other,
+};
+
+enum CommandBlitBuffer
+{
+    CommandBlitBufferColor   = 0x1,
+    CommandBlitBufferDepth   = 0x2,
+    CommandBlitBufferStencil = 0x4,
+};
+
+enum class InitState
+{
+    MayNeedInit,
+    Initialized,
+};
+
+template <typename T>
+struct RectangleImpl
+{
+    RectangleImpl() : x(T(0)), y(T(0)), width(T(0)), height(T(0)) {}
+    constexpr RectangleImpl(T x_in, T y_in, T width_in, T height_in)
+        : x(x_in), y(y_in), width(width_in), height(height_in)
+    {}
+    explicit constexpr RectangleImpl(const T corners[4])
+        : x(corners[0]),
+          y(corners[1]),
+          width(corners[2] - corners[0]),
+          height(corners[3] - corners[1])
+    {}
+    template <typename S>
+    explicit constexpr RectangleImpl(const RectangleImpl<S> rect)
+        : x(rect.x), y(rect.y), width(rect.width), height(rect.height)
+    {}
+
+    T x0() const { return x; }
+    T y0() const { return y; }
+    T x1() const { return x + width; }
+    T y1() const { return y + height; }
+
+    bool isReversedX() const { return width < T(0); }
+    bool isReversedY() const { return height < T(0); }
+
+    // Returns a rectangle with the same area but flipped in X, Y, neither or both.
+    RectangleImpl<T> flip(bool flipX, bool flipY) const
+    {
+        RectangleImpl flipped = *this;
+        if (flipX)
+        {
+            flipped.x     = flipped.x + flipped.width;
+            flipped.width = -flipped.width;
+        }
+        if (flipY)
+        {
+            flipped.y      = flipped.y + flipped.height;
+            flipped.height = -flipped.height;
+        }
+        return flipped;
+    }
+
+    // Returns a rectangle with the same area but with height and width guaranteed to be positive.
+    RectangleImpl<T> removeReversal() const { return flip(isReversedX(), isReversedY()); }
+
+    bool encloses(const RectangleImpl<T> &inside) const
+    {
+        return x0() <= inside.x0() && y0() <= inside.y0() && x1() >= inside.x1() &&
+               y1() >= inside.y1();
+    }
+
+    bool empty() const;
+
+    T x;
+    T y;
+    T width;
+    T height;
+};
+
+template <typename T>
+bool operator==(const RectangleImpl<T> &a, const RectangleImpl<T> &b);
+template <typename T>
+bool operator!=(const RectangleImpl<T> &a, const RectangleImpl<T> &b);
+
+using Rectangle = RectangleImpl<int>;
+
+enum class ClipSpaceOrigin
+{
+    LowerLeft = 0,
+    UpperLeft = 1
+};
+
+// Calculate the intersection of two rectangles.  Returns false if the intersection is empty.
+[[nodiscard]] bool ClipRectangle(const Rectangle &source,
+                                 const Rectangle &clip,
+                                 Rectangle *intersection);
+// Calculate the smallest rectangle that covers both rectangles.  This rectangle may cover areas
+// not covered by the two rectangles, for example in this situation:
+//
+//   +--+        +----+
+//   | ++-+  ->  |    |
+//   +-++ |      |    |
+//     +--+      +----+
+//
+void GetEnclosingRectangle(const Rectangle &rect1, const Rectangle &rect2, Rectangle *rectUnion);
+// Extend the source rectangle to cover parts (or all of) the second rectangle, in such a way that
+// no area is covered that isn't covered by both rectangles.  For example:
+//
+//             +--+        +--+
+//  source --> |  |        |  |
+//            ++--+-+  ->  |  |
+//            |+--+ |      |  |
+//            +-----+      +--+
+//
+void ExtendRectangle(const Rectangle &source, const Rectangle &extend, Rectangle *extended);
+
+struct Offset
+{
+    constexpr Offset() : x(0), y(0), z(0) {}
+    constexpr Offset(int x_in, int y_in, int z_in) : x(x_in), y(y_in), z(z_in) {}
+
+    int x;
+    int y;
+    int z;
+};
+
+constexpr Offset kOffsetZero(0, 0, 0);
+
+bool operator==(const Offset &a, const Offset &b);
+bool operator!=(const Offset &a, const Offset &b);
+
+struct Extents
+{
+    Extents() : width(0), height(0), depth(0) {}
+    Extents(int width_, int height_, int depth_) : width(width_), height(height_), depth(depth_) {}
+
+    Extents(const Extents &other)            = default;
+    Extents &operator=(const Extents &other) = default;
+
+    bool empty() const { return (width * height * depth) == 0; }
+
+    int width;
+    int height;
+    int depth;
+};
+
+bool operator==(const Extents &lhs, const Extents &rhs);
+bool operator!=(const Extents &lhs, const Extents &rhs);
+
+struct Box
+{
+    Box() : x(0), y(0), z(0), width(0), height(0), depth(0) {}
+    Box(int x_in, int y_in, int z_in, int width_in, int height_in, int depth_in)
+        : x(x_in), y(y_in), z(z_in), width(width_in), height(height_in), depth(depth_in)
+    {}
+    template <typename O, typename E>
+    Box(const O &offset, const E &size)
+        : x(offset.x),
+          y(offset.y),
+          z(offset.z),
+          width(size.width),
+          height(size.height),
+          depth(size.depth)
+    {}
+    bool valid() const;
+    bool operator==(const Box &other) const;
+    bool operator!=(const Box &other) const;
+    Rectangle toRect() const;
+
+    // Whether the Box has offset 0 and the same extents as argument.
+    bool coversSameExtent(const Extents &size) const;
+
+    bool contains(const Box &other) const;
+    size_t volume() const;
+    void extend(const Box &other);
+
+    int x;
+    int y;
+    int z;
+    int width;
+    int height;
+    int depth;
+};
+
+struct RasterizerState final
+{
+    // This will zero-initialize the struct, including padding.
+    RasterizerState();
+    RasterizerState(const RasterizerState &other);
+    RasterizerState &operator=(const RasterizerState &other);
+
+    bool cullFace;
+    CullFaceMode cullMode;
+    GLenum frontFace;
+
+    bool polygonOffsetFill;
+    GLfloat polygonOffsetFactor;
+    GLfloat polygonOffsetUnits;
+
+    // pointDrawMode/multiSample are only used in the D3D back-end right now.
+    bool pointDrawMode;
+    bool multiSample;
+
+    bool rasterizerDiscard;
+
+    bool dither;
+};
+
+bool operator==(const RasterizerState &a, const RasterizerState &b);
+bool operator!=(const RasterizerState &a, const RasterizerState &b);
+
+struct BlendState final
+{
+    // This will zero-initialize the struct, including padding.
+    BlendState();
+    BlendState(const BlendState &other);
+
+    bool blend;
+    GLenum sourceBlendRGB;
+    GLenum destBlendRGB;
+    GLenum sourceBlendAlpha;
+    GLenum destBlendAlpha;
+    GLenum blendEquationRGB;
+    GLenum blendEquationAlpha;
+
+    bool colorMaskRed;
+    bool colorMaskGreen;
+    bool colorMaskBlue;
+    bool colorMaskAlpha;
+};
+
+bool operator==(const BlendState &a, const BlendState &b);
+bool operator!=(const BlendState &a, const BlendState &b);
+
+struct DepthStencilState final
+{
+    // This will zero-initialize the struct, including padding.
+    DepthStencilState();
+    DepthStencilState(const DepthStencilState &other);
+    DepthStencilState &operator=(const DepthStencilState &other);
+
+    bool isDepthMaskedOut() const;
+    bool isStencilMaskedOut() const;
+    bool isStencilNoOp() const;
+    bool isStencilBackNoOp() const;
+
+    bool depthTest;
+    GLenum depthFunc;
+    bool depthMask;
+
+    bool stencilTest;
+    GLenum stencilFunc;
+    GLuint stencilMask;
+    GLenum stencilFail;
+    GLenum stencilPassDepthFail;
+    GLenum stencilPassDepthPass;
+    GLuint stencilWritemask;
+    GLenum stencilBackFunc;
+    GLuint stencilBackMask;
+    GLenum stencilBackFail;
+    GLenum stencilBackPassDepthFail;
+    GLenum stencilBackPassDepthPass;
+    GLuint stencilBackWritemask;
+};
+
+bool operator==(const DepthStencilState &a, const DepthStencilState &b);
+bool operator!=(const DepthStencilState &a, const DepthStencilState &b);
+
+// Packs a sampler state for completeness checks:
+// * minFilter: 5 values (3 bits)
+// * magFilter: 2 values (1 bit)
+// * wrapS:     3 values (2 bits)
+// * wrapT:     3 values (2 bits)
+// * compareMode: 1 bit (for == GL_NONE).
+// This makes a total of 9 bits. We can pack this easily into 32 bits:
+// * minFilter: 8 bits
+// * magFilter: 8 bits
+// * wrapS:     8 bits
+// * wrapT:     4 bits
+// * compareMode: 4 bits
+
+struct PackedSamplerCompleteness
+{
+    uint8_t minFilter;
+    uint8_t magFilter;
+    uint8_t wrapS;
+    uint8_t wrapTCompareMode;
+};
+
+static_assert(sizeof(PackedSamplerCompleteness) == sizeof(uint32_t), "Unexpected size");
+
+// State from Table 6.10 (state per sampler object)
+class SamplerState final
+{
+  public:
+    // This will zero-initialize the struct, including padding.
+    SamplerState();
+    SamplerState(const SamplerState &other);
+
+    SamplerState &operator=(const SamplerState &other);
+
+    static SamplerState CreateDefaultForTarget(TextureType type);
+
+    GLenum getMinFilter() const { return mMinFilter; }
+
+    bool setMinFilter(GLenum minFilter);
+
+    GLenum getMagFilter() const { return mMagFilter; }
+
+    bool setMagFilter(GLenum magFilter);
+
+    GLenum getWrapS() const { return mWrapS; }
+
+    bool setWrapS(GLenum wrapS);
+
+    GLenum getWrapT() const { return mWrapT; }
+
+    bool setWrapT(GLenum wrapT);
+
+    GLenum getWrapR() const { return mWrapR; }
+
+    bool setWrapR(GLenum wrapR);
+
+    float getMaxAnisotropy() const { return mMaxAnisotropy; }
+
+    bool setMaxAnisotropy(float maxAnisotropy);
+
+    GLfloat getMinLod() const { return mMinLod; }
+
+    bool setMinLod(GLfloat minLod);
+
+    GLfloat getMaxLod() const { return mMaxLod; }
+
+    bool setMaxLod(GLfloat maxLod);
+
+    GLenum getCompareMode() const { return mCompareMode; }
+
+    bool setCompareMode(GLenum compareMode);
+
+    GLenum getCompareFunc() const { return mCompareFunc; }
+
+    bool setCompareFunc(GLenum compareFunc);
+
+    GLenum getSRGBDecode() const { return mSRGBDecode; }
+
+    bool setSRGBDecode(GLenum sRGBDecode);
+
+    bool setBorderColor(const ColorGeneric &color);
+
+    const ColorGeneric &getBorderColor() const { return mBorderColor; }
+
+    bool sameCompleteness(const SamplerState &samplerState) const
+    {
+        return mCompleteness.packed == samplerState.mCompleteness.packed;
+    }
+
+  private:
+    void updateWrapTCompareMode();
+
+    GLenum mMinFilter;
+    GLenum mMagFilter;
+
+    GLenum mWrapS;
+    GLenum mWrapT;
+    GLenum mWrapR;
+
+    // From EXT_texture_filter_anisotropic
+    float mMaxAnisotropy;
+
+    GLfloat mMinLod;
+    GLfloat mMaxLod;
+
+    GLenum mCompareMode;
+    GLenum mCompareFunc;
+
+    GLenum mSRGBDecode;
+
+    ColorGeneric mBorderColor;
+
+    union Completeness
+    {
+        uint32_t packed;
+        PackedSamplerCompleteness typed;
+    };
+
+    Completeness mCompleteness;
+};
+
+bool operator==(const SamplerState &a, const SamplerState &b);
+bool operator!=(const SamplerState &a, const SamplerState &b);
+
+struct DrawArraysIndirectCommand
+{
+    GLuint count;
+    GLuint instanceCount;
+    GLuint first;
+    GLuint baseInstance;
+};
+static_assert(sizeof(DrawArraysIndirectCommand) == 16,
+              "Unexpected size of DrawArraysIndirectCommand");
+
+struct DrawElementsIndirectCommand
+{
+    GLuint count;
+    GLuint primCount;
+    GLuint firstIndex;
+    GLint baseVertex;
+    GLuint baseInstance;
+};
+static_assert(sizeof(DrawElementsIndirectCommand) == 20,
+              "Unexpected size of DrawElementsIndirectCommand");
+
+struct ImageUnit
+{
+    ImageUnit();
+    ImageUnit(const ImageUnit &other);
+    ~ImageUnit();
+
+    BindingPointer<Texture> texture;
+    GLint level;
+    GLboolean layered;
+    GLint layer;
+    GLenum access;
+    GLenum format;
+};
+
+using ImageUnitTextureTypeMap = std::map<unsigned int, gl::TextureType>;
+
+struct PixelStoreStateBase
+{
+    GLint alignment   = 4;
+    GLint rowLength   = 0;
+    GLint skipRows    = 0;
+    GLint skipPixels  = 0;
+    GLint imageHeight = 0;
+    GLint skipImages  = 0;
+};
+
+struct PixelUnpackState : PixelStoreStateBase
+{};
+
+struct PixelPackState : PixelStoreStateBase
+{
+    bool reverseRowOrder = false;
+};
+
+// Used in Program and VertexArray.
+using AttributesMask = angle::BitSet<MAX_VERTEX_ATTRIBS>;
+
+// Used in Program
+using UniformBlockBindingMask = angle::BitSet<IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS>;
+
+// Used in Framebuffer / Program
+using DrawBufferMask = angle::BitSet8<IMPLEMENTATION_MAX_DRAW_BUFFERS>;
+
+class BlendStateExt final
+{
+    static_assert(IMPLEMENTATION_MAX_DRAW_BUFFERS == 8, "Only up to 8 draw buffers supported.");
+
+  public:
+    template <typename ElementType, size_t ElementCount>
+    struct StorageType final
+    {
+        static_assert(ElementCount <= 256, "ElementCount cannot exceed 256.");
+
+#if defined(ANGLE_IS_64_BIT_CPU)
+        // Always use uint64_t on 64-bit systems
+        static constexpr size_t kBits = 8;
+#else
+        static constexpr size_t kBits = ElementCount > 16 ? 8 : 4;
+#endif
+
+        using Type = typename std::conditional<kBits == 8, uint64_t, uint32_t>::type;
+
+        static constexpr Type kMaxValueMask = (kBits == 8) ? 0xFF : 0xF;
+
+        static constexpr Type GetMask(const size_t drawBuffers)
+        {
+            ASSERT(drawBuffers > 0);
+            ASSERT(drawBuffers <= IMPLEMENTATION_MAX_DRAW_BUFFERS);
+            return static_cast<Type>(0xFFFFFFFFFFFFFFFFull >> (64 - drawBuffers * kBits));
+        }
+
+        // A multiplier that is used to replicate 4- or 8-bit value 8 times.
+        static constexpr Type kReplicator = (kBits == 8) ? 0x0101010101010101ull : 0x11111111;
+
+        // Extract packed `Bits`-bit value of index `index`. `values` variable contains up to 8
+        // packed values.
+        static constexpr ElementType GetValueIndexed(const size_t index, const Type values)
+        {
+            ASSERT(index < IMPLEMENTATION_MAX_DRAW_BUFFERS);
+
+            return static_cast<ElementType>((values >> (index * kBits)) & kMaxValueMask);
+        }
+
+        // Replicate `Bits`-bit value 8 times and mask the result.
+        static constexpr Type GetReplicatedValue(const ElementType value, const Type mask)
+        {
+            ASSERT(static_cast<size_t>(value) <= kMaxValueMask);
+            return (static_cast<size_t>(value) * kReplicator) & mask;
+        }
+
+        // Replace `Bits`-bit value of index `index` in `target` with `value`.
+        static constexpr void SetValueIndexed(const size_t index,
+                                              const ElementType value,
+                                              Type *target)
+        {
+            ASSERT(static_cast<size_t>(value) <= kMaxValueMask);
+            ASSERT(index < IMPLEMENTATION_MAX_DRAW_BUFFERS);
+
+            // Bitmask with set bits that contain the value of index `index`.
+            const Type selector = kMaxValueMask << (index * kBits);
+
+            // Shift the new `value` to its position in the packed value.
+            const Type builtValue = static_cast<Type>(value) << (index * kBits);
+
+            // Mark differing bits of `target` and `builtValue`, then flip the bits on those
+            // positions in `target`.
+            // Taken from https://graphics.stanford.edu/~seander/bithacks.html#MaskedMerge
+            *target = *target ^ ((*target ^ builtValue) & selector);
+        }
+
+        // Compare two packed sets of eight 4-bit values and return an 8-bit diff mask.
+        static constexpr DrawBufferMask GetDiffMask(const uint32_t packedValue1,
+                                                    const uint32_t packedValue2)
+        {
+            uint32_t diff = packedValue1 ^ packedValue2;
+
+            // For each 4-bit value that is different between inputs, set the msb to 1 and other
+            // bits to 0.
+            diff = (diff | ((diff & 0x77777777) + 0x77777777)) & 0x88888888;
+
+            // By this point, `diff` looks like a...b...c...d...e...f...g...h... (dots mean zeros).
+            // To get DrawBufferMask, we need to compress this 32-bit value to 8 bits, i.e. abcdefgh
+
+            // Multiplying the lower half of `diff` by 0x249 (0x200 + 0x40 + 0x8 + 0x1) produces:
+            // ................e...f...g...h... +
+            // .............e...f...g...h...... +
+            // ..........e...f...g...h......... +
+            // .......e...f...g...h............
+            // ________________________________ =
+            // .......e..ef.efgefghfgh.gh..h...
+            //                 ^^^^
+            // Similar operation is applied to the upper word.
+            // This calculation could be replaced with a single PEXT instruction from BMI2 set.
+            diff = ((((diff & 0xFFFF0000) * 0x249) >> 24) & 0xF0) | (((diff * 0x249) >> 12) & 0xF);
+
+            return DrawBufferMask(static_cast<uint8_t>(diff));
+        }
+
+        // Compare two packed sets of eight 8-bit values and return an 8-bit diff mask.
+        static constexpr DrawBufferMask GetDiffMask(const uint64_t packedValue1,
+                                                    const uint64_t packedValue2)
+        {
+            uint64_t diff = packedValue1 ^ packedValue2;
+
+            // For each 8-bit value that is different between inputs, set the msb to 1 and other
+            // bits to 0.
+            diff = (diff | ((diff & 0x7F7F7F7F7F7F7F7F) + 0x7F7F7F7F7F7F7F7F)) & 0x8080808080808080;
+
+            // By this point, `diff` looks like (dots mean zeros):
+            // a.......b.......c.......d.......e.......f.......g.......h.......
+            // To get DrawBufferMask, we need to compress this 64-bit value to 8 bits, i.e. abcdefgh
+
+            // Multiplying `diff` by 0x0002040810204081 produces:
+            // a.......b.......c.......d.......e.......f.......g.......h....... +
+            // .b.......c.......d.......e.......f.......g.......h.............. +
+            // ..c.......d.......e.......f.......g.......h..................... +
+            // ...d.......e.......f.......g.......h............................ +
+            // ....e.......f.......g.......h................................... +
+            // .....f.......g.......h.......................................... +
+            // ......g.......h................................................. +
+            // .......h........................................................
+            // ________________________________________________________________ =
+            // abcdefghbcdefgh.cdefgh..defgh...efgh....fgh.....gh......h.......
+            // ^^^^^^^^
+            // This operation could be replaced with a single PEXT instruction from BMI2 set.
+            diff = 0x0002040810204081 * diff >> 56;
+
+            return DrawBufferMask(static_cast<uint8_t>(diff));
+        }
+    };
+
+    using FactorStorage    = StorageType<BlendFactorType, angle::EnumSize<BlendFactorType>()>;
+    using EquationStorage  = StorageType<BlendEquationType, angle::EnumSize<BlendEquationType>()>;
+    using ColorMaskStorage = StorageType<uint8_t, 16>;
+    static_assert(std::is_same<FactorStorage::Type, uint64_t>::value &&
+                      std::is_same<EquationStorage::Type, uint64_t>::value,
+                  "Factor and Equation storage must be 64-bit.");
+
+    BlendStateExt(const size_t drawBuffers = 1);
+
+    BlendStateExt(const BlendStateExt &other);
+    BlendStateExt &operator=(const BlendStateExt &other);
+
+    ///////// Blending Toggle /////////
+
+    void setEnabled(const bool enabled);
+    void setEnabledIndexed(const size_t index, const bool enabled);
+
+    ///////// Color Write Mask /////////
+
+    static constexpr size_t PackColorMask(const bool red,
+                                          const bool green,
+                                          const bool blue,
+                                          const bool alpha)
+    {
+        return (red ? 1 : 0) | (green ? 2 : 0) | (blue ? 4 : 0) | (alpha ? 8 : 0);
+    }
+
+    static constexpr void UnpackColorMask(const size_t value,
+                                          bool *red,
+                                          bool *green,
+                                          bool *blue,
+                                          bool *alpha)
+    {
+        *red   = static_cast<bool>(value & 1);
+        *green = static_cast<bool>(value & 2);
+        *blue  = static_cast<bool>(value & 4);
+        *alpha = static_cast<bool>(value & 8);
+    }
+
+    ColorMaskStorage::Type expandColorMaskValue(const bool red,
+                                                const bool green,
+                                                const bool blue,
+                                                const bool alpha) const;
+    ColorMaskStorage::Type expandColorMaskIndexed(const size_t index) const;
+    void setColorMask(const bool red, const bool green, const bool blue, const bool alpha);
+    void setColorMaskIndexed(const size_t index, const uint8_t value);
+    void setColorMaskIndexed(const size_t index,
+                             const bool red,
+                             const bool green,
+                             const bool blue,
+                             const bool alpha);
+    uint8_t getColorMaskIndexed(const size_t index) const;
+    void getColorMaskIndexed(const size_t index,
+                             bool *red,
+                             bool *green,
+                             bool *blue,
+                             bool *alpha) const;
+    DrawBufferMask compareColorMask(ColorMaskStorage::Type other) const;
+
+    ///////// Blend Equation /////////
+
+    EquationStorage::Type expandEquationValue(const GLenum mode) const;
+    EquationStorage::Type expandEquationValue(const gl::BlendEquationType equation) const;
+    EquationStorage::Type expandEquationColorIndexed(const size_t index) const;
+    EquationStorage::Type expandEquationAlphaIndexed(const size_t index) const;
+    void setEquations(const GLenum modeColor, const GLenum modeAlpha);
+    void setEquationsIndexed(const size_t index, const GLenum modeColor, const GLenum modeAlpha);
+    void setEquationsIndexed(const size_t index,
+                             const size_t otherIndex,
+                             const BlendStateExt &other);
+    GLenum getEquationColorIndexed(size_t index) const;
+    GLenum getEquationAlphaIndexed(size_t index) const;
+    DrawBufferMask compareEquations(const EquationStorage::Type color,
+                                    const EquationStorage::Type alpha) const;
+    DrawBufferMask compareEquations(const BlendStateExt &other) const
+    {
+        return compareEquations(other.mEquationColor, other.mEquationAlpha);
+    }
+
+    ///////// Blend Factors /////////
+
+    FactorStorage::Type expandFactorValue(const GLenum func) const;
+    FactorStorage::Type expandSrcColorIndexed(const size_t index) const;
+    FactorStorage::Type expandDstColorIndexed(const size_t index) const;
+    FactorStorage::Type expandSrcAlphaIndexed(const size_t index) const;
+    FactorStorage::Type expandDstAlphaIndexed(const size_t index) const;
+    void setFactors(const GLenum srcColor,
+                    const GLenum dstColor,
+                    const GLenum srcAlpha,
+                    const GLenum dstAlpha);
+    void setFactorsIndexed(const size_t index,
+                           const GLenum srcColor,
+                           const GLenum dstColor,
+                           const GLenum srcAlpha,
+                           const GLenum dstAlpha);
+    void setFactorsIndexed(const size_t index, const size_t otherIndex, const BlendStateExt &other);
+    GLenum getSrcColorIndexed(size_t index) const;
+    GLenum getDstColorIndexed(size_t index) const;
+    GLenum getSrcAlphaIndexed(size_t index) const;
+    GLenum getDstAlphaIndexed(size_t index) const;
+    DrawBufferMask compareFactors(const FactorStorage::Type srcColor,
+                                  const FactorStorage::Type dstColor,
+                                  const FactorStorage::Type srcAlpha,
+                                  const FactorStorage::Type dstAlpha) const;
+    DrawBufferMask compareFactors(const BlendStateExt &other) const
+    {
+        return compareFactors(other.mSrcColor, other.mDstColor, other.mSrcAlpha, other.mDstAlpha);
+    }
+
+    constexpr FactorStorage::Type getSrcColorBits() const { return mSrcColor; }
+    constexpr FactorStorage::Type getSrcAlphaBits() const { return mSrcAlpha; }
+    constexpr FactorStorage::Type getDstColorBits() const { return mDstColor; }
+    constexpr FactorStorage::Type getDstAlphaBits() const { return mDstAlpha; }
+
+    constexpr EquationStorage::Type getEquationColorBits() const { return mEquationColor; }
+    constexpr EquationStorage::Type getEquationAlphaBits() const { return mEquationAlpha; }
+
+    constexpr ColorMaskStorage::Type getAllColorMaskBits() const { return mAllColorMask; }
+    constexpr ColorMaskStorage::Type getColorMaskBits() const { return mColorMask; }
+
+    constexpr DrawBufferMask getAllEnabledMask() const { return mAllEnabledMask; }
+    constexpr DrawBufferMask getEnabledMask() const { return mEnabledMask; }
+
+    constexpr DrawBufferMask getUsesAdvancedBlendEquationMask() const
+    {
+        return mUsesAdvancedBlendEquationMask;
+    }
+
+    constexpr uint8_t getDrawBufferCount() const { return mDrawBufferCount; }
+
+    constexpr void setSrcColorBits(const FactorStorage::Type srcColor) { mSrcColor = srcColor; }
+    constexpr void setSrcAlphaBits(const FactorStorage::Type srcAlpha) { mSrcAlpha = srcAlpha; }
+    constexpr void setDstColorBits(const FactorStorage::Type dstColor) { mDstColor = dstColor; }
+    constexpr void setDstAlphaBits(const FactorStorage::Type dstAlpha) { mDstAlpha = dstAlpha; }
+
+    constexpr void setEquationColorBits(const EquationStorage::Type equationColor)
+    {
+        mEquationColor = equationColor;
+    }
+    constexpr void setEquationAlphaBits(const EquationStorage::Type equationAlpha)
+    {
+        mEquationAlpha = equationAlpha;
+    }
+
+    constexpr void setColorMaskBits(const ColorMaskStorage::Type colorMask)
+    {
+        mColorMask = colorMask;
+    }
+
+    constexpr void setEnabledMask(const DrawBufferMask enabledMask) { mEnabledMask = enabledMask; }
+
+    ///////// Data Members /////////
+  private:
+    uint64_t mParameterMask;
+
+    FactorStorage::Type mSrcColor;
+    FactorStorage::Type mDstColor;
+    FactorStorage::Type mSrcAlpha;
+    FactorStorage::Type mDstAlpha;
+
+    EquationStorage::Type mEquationColor;
+    EquationStorage::Type mEquationAlpha;
+
+    ColorMaskStorage::Type mAllColorMask;
+    ColorMaskStorage::Type mColorMask;
+
+    DrawBufferMask mAllEnabledMask;
+    DrawBufferMask mEnabledMask;
+
+    // Cache of whether the blend equation for each index is from KHR_blend_equation_advanced.
+    DrawBufferMask mUsesAdvancedBlendEquationMask;
+
+    uint8_t mDrawBufferCount;
+
+    [[maybe_unused]] uint32_t kUnused = 0;
+};
+
+static_assert(sizeof(BlendStateExt) == sizeof(uint64_t) +
+                                           (sizeof(BlendStateExt::FactorStorage::Type) * 4 +
+                                            sizeof(BlendStateExt::EquationStorage::Type) * 2 +
+                                            sizeof(BlendStateExt::ColorMaskStorage::Type) * 2 +
+                                            sizeof(DrawBufferMask) * 3 + sizeof(uint8_t)) +
+                                           sizeof(uint32_t),
+              "The BlendStateExt class must not contain gaps.");
+
+// Used in StateCache
+using StorageBuffersMask = angle::BitSet<IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS>;
+
+template <typename T>
+using SampleMaskArray = std::array<T, IMPLEMENTATION_MAX_SAMPLE_MASK_WORDS>;
+
+template <typename T>
+using TexLevelArray = std::array<T, IMPLEMENTATION_MAX_TEXTURE_LEVELS>;
+
+using TexLevelMask = angle::BitSet<IMPLEMENTATION_MAX_TEXTURE_LEVELS>;
+
+enum class ComponentType
+{
+    Float       = 0,
+    Int         = 1,
+    UnsignedInt = 2,
+    NoType      = 3,
+    EnumCount   = 4,
+    InvalidEnum = 4,
+};
+
+constexpr ComponentType GLenumToComponentType(GLenum componentType)
+{
+    switch (componentType)
+    {
+        case GL_FLOAT:
+            return ComponentType::Float;
+        case GL_INT:
+            return ComponentType::Int;
+        case GL_UNSIGNED_INT:
+            return ComponentType::UnsignedInt;
+        case GL_NONE:
+            return ComponentType::NoType;
+        default:
+            return ComponentType::InvalidEnum;
+    }
+}
+
+constexpr angle::PackedEnumMap<ComponentType, uint32_t> kComponentMasks = {{
+    {ComponentType::Float, 0x10001},
+    {ComponentType::Int, 0x00001},
+    {ComponentType::UnsignedInt, 0x10000},
+}};
+
+constexpr size_t kMaxComponentTypeMaskIndex = 16;
+using ComponentTypeMask                     = angle::BitSet<kMaxComponentTypeMaskIndex * 2>;
+
+ANGLE_INLINE void SetComponentTypeMask(ComponentType type, size_t index, ComponentTypeMask *mask)
+{
+    ASSERT(index <= kMaxComponentTypeMaskIndex);
+    *mask &= ~(0x10001 << index);
+    *mask |= kComponentMasks[type] << index;
+}
+
+ANGLE_INLINE ComponentType GetComponentTypeMask(const ComponentTypeMask &mask, size_t index)
+{
+    ASSERT(index <= kMaxComponentTypeMaskIndex);
+    uint32_t mask_bits = static_cast<uint32_t>((mask.to_ulong() >> index) & 0x10001);
+    switch (mask_bits)
+    {
+        case 0x10001:
+            return ComponentType::Float;
+        case 0x00001:
+            return ComponentType::Int;
+        case 0x10000:
+            return ComponentType::UnsignedInt;
+        default:
+            return ComponentType::InvalidEnum;
+    }
+}
+
+bool ValidateComponentTypeMasks(unsigned long outputTypes,
+                                unsigned long inputTypes,
+                                unsigned long outputMask,
+                                unsigned long inputMask);
+
+enum class RenderToTextureImageIndex
+{
+    // The default image of the texture, where data is expected to be.
+    Default = 0,
+
+    // Intermediate multisampled images for EXT_multisampled_render_to_texture.
+    // These values must match log2(SampleCount).
+    IntermediateImage2xMultisampled  = 1,
+    IntermediateImage4xMultisampled  = 2,
+    IntermediateImage8xMultisampled  = 3,
+    IntermediateImage16xMultisampled = 4,
+
+    // We currently only support up to 16xMSAA in backends that use this enum.
+    InvalidEnum = 5,
+    EnumCount   = 5,
+};
+
+template <typename T>
+using RenderToTextureImageMap = angle::PackedEnumMap<RenderToTextureImageIndex, T>;
+
+struct ContextID
+{
+    uint32_t value;
+};
+
+inline bool operator==(ContextID lhs, ContextID rhs)
+{
+    return lhs.value == rhs.value;
+}
+
+inline bool operator!=(ContextID lhs, ContextID rhs)
+{
+    return lhs.value != rhs.value;
+}
+
+inline bool operator<(ContextID lhs, ContextID rhs)
+{
+    return lhs.value < rhs.value;
+}
+
+constexpr size_t kCubeFaceCount = 6;
+
+template <typename T>
+using TextureTypeMap = angle::PackedEnumMap<TextureType, T>;
+using TextureMap     = TextureTypeMap<BindingPointer<Texture>>;
+
+// ShaderVector can contain one item per shader.  It differs from ShaderMap in that the values are
+// not indexed by ShaderType.
+template <typename T>
+using ShaderVector = angle::FixedVector<T, static_cast<size_t>(ShaderType::EnumCount)>;
+
+template <typename T>
+using AttachmentArray = std::array<T, IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS>;
+
+template <typename T>
+using AttachmentVector = angle::FixedVector<T, IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS>;
+
+using AttachmentsMask = angle::BitSet<IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS>;
+
+template <typename T>
+using DrawBuffersArray = std::array<T, IMPLEMENTATION_MAX_DRAW_BUFFERS>;
+
+template <typename T>
+using DrawBuffersVector = angle::FixedVector<T, IMPLEMENTATION_MAX_DRAW_BUFFERS>;
+
+template <typename T>
+using AttribArray = std::array<T, MAX_VERTEX_ATTRIBS>;
+
+using ActiveTextureMask = angle::BitSet<IMPLEMENTATION_MAX_ACTIVE_TEXTURES>;
+
+template <typename T>
+using ActiveTextureArray = std::array<T, IMPLEMENTATION_MAX_ACTIVE_TEXTURES>;
+
+using ActiveTextureTypeArray = ActiveTextureArray<TextureType>;
+
+template <typename T>
+using UniformBuffersArray = std::array<T, IMPLEMENTATION_MAX_UNIFORM_BUFFER_BINDINGS>;
+template <typename T>
+using StorageBuffersArray = std::array<T, IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS>;
+template <typename T>
+using AtomicCounterBuffersArray = std::array<T, IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS>;
+using AtomicCounterBufferMask   = angle::BitSet<IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS>;
+template <typename T>
+using ImagesArray = std::array<T, IMPLEMENTATION_MAX_IMAGE_UNITS>;
+
+using ImageUnitMask = angle::BitSet<IMPLEMENTATION_MAX_IMAGE_UNITS>;
+
+using SupportedSampleSet = std::set<GLuint>;
+
+template <typename T>
+using TransformFeedbackBuffersArray =
+    std::array<T, gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS>;
+
+template <typename T>
+using QueryTypeMap = angle::PackedEnumMap<QueryType, T>;
+
+constexpr size_t kBarrierVectorDefaultSize = 16;
+
+template <typename T>
+using BarrierVector = angle::FastVector<T, kBarrierVectorDefaultSize>;
+
+using BufferBarrierVector = BarrierVector<Buffer *>;
+
+using SamplerBindingVector = std::vector<BindingPointer<Sampler>>;
+using BufferVector         = std::vector<OffsetBindingPointer<Buffer>>;
+
+struct TextureAndLayout
+{
+    Texture *texture;
+    GLenum layout;
+};
+using TextureBarrierVector = BarrierVector<TextureAndLayout>;
+
+// OffsetBindingPointer.getSize() returns the size specified by the user, which may be larger than
+// the size of the bound buffer. This function reduces the returned size to fit the bound buffer if
+// necessary. Returns 0 if no buffer is bound or if integer overflow occurs.
+GLsizeiptr GetBoundBufferAvailableSize(const OffsetBindingPointer<Buffer> &binding);
+
+// A texture level index.
+template <typename T>
+class LevelIndexWrapper
+{
+  public:
+    LevelIndexWrapper() = default;
+    explicit constexpr LevelIndexWrapper(T levelIndex) : mLevelIndex(levelIndex) {}
+    constexpr LevelIndexWrapper(const LevelIndexWrapper &other)            = default;
+    constexpr LevelIndexWrapper &operator=(const LevelIndexWrapper &other) = default;
+
+    constexpr T get() const { return mLevelIndex; }
+
+    LevelIndexWrapper &operator++()
+    {
+        ++mLevelIndex;
+        return *this;
+    }
+    constexpr bool operator<(const LevelIndexWrapper &other) const
+    {
+        return mLevelIndex < other.mLevelIndex;
+    }
+    constexpr bool operator<=(const LevelIndexWrapper &other) const
+    {
+        return mLevelIndex <= other.mLevelIndex;
+    }
+    constexpr bool operator>(const LevelIndexWrapper &other) const
+    {
+        return mLevelIndex > other.mLevelIndex;
+    }
+    constexpr bool operator>=(const LevelIndexWrapper &other) const
+    {
+        return mLevelIndex >= other.mLevelIndex;
+    }
+    constexpr bool operator==(const LevelIndexWrapper &other) const
+    {
+        return mLevelIndex == other.mLevelIndex;
+    }
+    constexpr bool operator!=(const LevelIndexWrapper &other) const
+    {
+        return mLevelIndex != other.mLevelIndex;
+    }
+    constexpr LevelIndexWrapper operator+(T other) const
+    {
+        return LevelIndexWrapper(mLevelIndex + other);
+    }
+    constexpr LevelIndexWrapper operator-(T other) const
+    {
+        return LevelIndexWrapper(mLevelIndex - other);
+    }
+    constexpr T operator-(LevelIndexWrapper other) const { return mLevelIndex - other.mLevelIndex; }
+
+  private:
+    T mLevelIndex;
+};
+
+// A GL texture level index.
+using LevelIndex = LevelIndexWrapper<GLint>;
+
+enum class MultisamplingMode
+{
+    // Regular multisampling
+    Regular = 0,
+    // GL_EXT_multisampled_render_to_texture renderbuffer/texture attachments which perform implicit
+    // resolve of multisampled data.
+    MultisampledRenderToTexture,
+};
+}  // namespace gl
+
+namespace rx
+{
+// A macro that determines whether an object has a given runtime type.
+#if defined(__clang__)
+#    if __has_feature(cxx_rtti)
+#        define ANGLE_HAS_DYNAMIC_CAST 1
+#    endif
+#elif !defined(NDEBUG) && (!defined(_MSC_VER) || defined(_CPPRTTI)) &&              \
+    (!defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) || \
+     defined(__GXX_RTTI))
+#    define ANGLE_HAS_DYNAMIC_CAST 1
+#endif
+
+#ifdef ANGLE_HAS_DYNAMIC_CAST
+#    define ANGLE_HAS_DYNAMIC_TYPE(type, obj) (dynamic_cast<type>(obj) != nullptr)
+#    undef ANGLE_HAS_DYNAMIC_CAST
+#else
+#    define ANGLE_HAS_DYNAMIC_TYPE(type, obj) (obj != nullptr)
+#endif
+
+// Downcast a base implementation object (EG TextureImpl to TextureD3D)
+template <typename DestT, typename SrcT>
+inline DestT *GetAs(SrcT *src)
+{
+    ASSERT(ANGLE_HAS_DYNAMIC_TYPE(DestT *, src));
+    return static_cast<DestT *>(src);
+}
+
+template <typename DestT, typename SrcT>
+inline const DestT *GetAs(const SrcT *src)
+{
+    ASSERT(ANGLE_HAS_DYNAMIC_TYPE(const DestT *, src));
+    return static_cast<const DestT *>(src);
+}
+
+#undef ANGLE_HAS_DYNAMIC_TYPE
+
+// Downcast a GL object to an Impl (EG gl::Texture to rx::TextureD3D)
+template <typename DestT, typename SrcT>
+inline DestT *GetImplAs(SrcT *src)
+{
+    return GetAs<DestT>(src->getImplementation());
+}
+
+template <typename DestT, typename SrcT>
+inline DestT *SafeGetImplAs(SrcT *src)
+{
+    return src != nullptr ? GetAs<DestT>(src->getImplementation()) : nullptr;
+}
+
+}  // namespace rx
+
+#include "angletypes.inc"
+
+namespace angle
+{
+// Zero-based for better array indexing
+enum FramebufferBinding
+{
+    FramebufferBindingRead = 0,
+    FramebufferBindingDraw,
+    FramebufferBindingSingletonMax,
+    FramebufferBindingBoth = FramebufferBindingSingletonMax,
+    FramebufferBindingMax,
+    FramebufferBindingUnknown = FramebufferBindingMax,
+};
+
+inline FramebufferBinding EnumToFramebufferBinding(GLenum enumValue)
+{
+    switch (enumValue)
+    {
+        case GL_READ_FRAMEBUFFER:
+            return FramebufferBindingRead;
+        case GL_DRAW_FRAMEBUFFER:
+            return FramebufferBindingDraw;
+        case GL_FRAMEBUFFER:
+            return FramebufferBindingBoth;
+        default:
+            UNREACHABLE();
+            return FramebufferBindingUnknown;
+    }
+}
+
+inline GLenum FramebufferBindingToEnum(FramebufferBinding binding)
+{
+    switch (binding)
+    {
+        case FramebufferBindingRead:
+            return GL_READ_FRAMEBUFFER;
+        case FramebufferBindingDraw:
+            return GL_DRAW_FRAMEBUFFER;
+        case FramebufferBindingBoth:
+            return GL_FRAMEBUFFER;
+        default:
+            UNREACHABLE();
+            return GL_NONE;
+    }
+}
+
+template <typename ObjT, typename ContextT>
+class DestroyThenDelete
+{
+  public:
+    DestroyThenDelete() = default;
+    DestroyThenDelete(const ContextT *context) : mContext(context) {}
+
+    void operator()(ObjT *obj)
+    {
+        (void)(obj->onDestroy(mContext));
+        delete obj;
+    }
+
+  private:
+    const ContextT *mContext = nullptr;
+};
+
+template <typename ObjT, typename ContextT>
+using UniqueObjectPointer = std::unique_ptr<ObjT, DestroyThenDelete<ObjT, ContextT>>;
+
+}  // namespace angle
+
+namespace gl
+{
+class State;
+}  // namespace gl
+
+#endif  // LIBANGLE_ANGLETYPES_H_
diff --git a/gfx/angle/checkout/src/libANGLE/angletypes.inc b/gfx/angle/checkout/src/libANGLE/angletypes.inc
new file mode 100644
index 0000000000..862a3214a1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/angletypes.inc
@@ -0,0 +1,35 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// angletypes.inc : Inline definitions of some functions from angletypes.h
+
+namespace gl
+{
+
+inline bool operator==(const Rectangle &a, const Rectangle &b)
+{
+    return a.x == b.x &&
+           a.y == b.y &&
+           a.width == b.width &&
+           a.height == b.height;
+}
+
+inline bool operator!=(const Rectangle &a, const Rectangle &b)
+{
+    return !(a == b);
+}
+
+inline bool operator==(const SamplerState &a, const SamplerState &b)
+{
+    return memcmp(&a, &b, sizeof(SamplerState)) == 0;
+}
+
+inline bool operator!=(const SamplerState &a, const SamplerState &b)
+{
+    return !(a == b);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/capture/FrameCapture.h b/gfx/angle/checkout/src/libANGLE/capture/FrameCapture.h
new file mode 100644
index 0000000000..a9b0348b6a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/FrameCapture.h
@@ -0,0 +1,1208 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// FrameCapture.h:
+//   ANGLE Frame capture interface.
+//
+
+#ifndef LIBANGLE_FRAME_CAPTURE_H_
+#define LIBANGLE_FRAME_CAPTURE_H_
+
+#include "common/PackedEnums.h"
+#include "common/system_utils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/capture/frame_capture_utils_autogen.h"
+#include "libANGLE/entry_points_utils.h"
+
+namespace gl
+{
+enum class BigGLEnum;
+enum class GLESEnum;
+}  // namespace gl
+
+namespace angle
+{
+
+using ParamData = std::vector<std::vector<uint8_t>>;
+struct ParamCapture : angle::NonCopyable
+{
+    ParamCapture();
+    ParamCapture(const char *nameIn, ParamType typeIn);
+    ~ParamCapture();
+
+    ParamCapture(ParamCapture &&other);
+    ParamCapture &operator=(ParamCapture &&other);
+
+    std::string name;
+    ParamType type;
+    ParamValue value;
+    gl::GLESEnum enumGroup;   // only used for param type GLenum, GLboolean and GLbitfield
+    gl::BigGLEnum bigGLEnum;  // only used for param type GLenum, GLboolean and GLbitfield
+    ParamData data;
+    int dataNElements           = 0;
+    int arrayClientPointerIndex = -1;
+    size_t readBufferSizeBytes  = 0;
+};
+
+class ParamBuffer final : angle::NonCopyable
+{
+  public:
+    ParamBuffer();
+    ~ParamBuffer();
+
+    ParamBuffer(ParamBuffer &&other);
+    ParamBuffer &operator=(ParamBuffer &&other);
+
+    template <typename T>
+    void addValueParam(const char *paramName, ParamType paramType, T paramValue);
+    template <typename T>
+    void setValueParamAtIndex(const char *paramName, ParamType paramType, T paramValue, int index);
+    template <typename T>
+    void addEnumParam(const char *paramName,
+                      gl::GLESEnum enumGroup,
+                      ParamType paramType,
+                      T paramValue);
+    template <typename T>
+    void addEnumParam(const char *paramName,
+                      gl::BigGLEnum enumGroup,
+                      ParamType paramType,
+                      T paramValue);
+
+    ParamCapture &getParam(const char *paramName, ParamType paramType, int index);
+    const ParamCapture &getParam(const char *paramName, ParamType paramType, int index) const;
+    ParamCapture &getParamFlexName(const char *paramName1,
+                                   const char *paramName2,
+                                   ParamType paramType,
+                                   int index);
+    const ParamCapture &getParamFlexName(const char *paramName1,
+                                         const char *paramName2,
+                                         ParamType paramType,
+                                         int index) const;
+    const ParamCapture &getReturnValue() const { return mReturnValueCapture; }
+
+    void addParam(ParamCapture &&param);
+    void addReturnValue(ParamCapture &&returnValue);
+    bool hasClientArrayData() const { return mClientArrayDataParam != -1; }
+    ParamCapture &getClientArrayPointerParameter();
+    size_t getReadBufferSize() const { return mReadBufferSize; }
+
+    const std::vector<ParamCapture> &getParamCaptures() const { return mParamCaptures; }
+
+    // These helpers allow us to track the ID of the buffer that was active when
+    // MapBufferRange was called.  We'll use it during replay to track the
+    // buffer's contents, as they can be modified by the host.
+    void setMappedBufferID(gl::BufferID bufferID) { mMappedBufferID = bufferID; }
+    gl::BufferID getMappedBufferID() const { return mMappedBufferID; }
+
+  private:
+    std::vector<ParamCapture> mParamCaptures;
+    ParamCapture mReturnValueCapture;
+    int mClientArrayDataParam = -1;
+    size_t mReadBufferSize    = 0;
+    gl::BufferID mMappedBufferID;
+};
+
+struct CallCapture
+{
+    CallCapture(EntryPoint entryPointIn, ParamBuffer &&paramsIn);
+    CallCapture(const std::string &customFunctionNameIn, ParamBuffer &&paramsIn);
+    ~CallCapture();
+
+    CallCapture(CallCapture &&other);
+    CallCapture &operator=(CallCapture &&other);
+
+    const char *name() const;
+
+    EntryPoint entryPoint;
+    std::string customFunctionName;
+    ParamBuffer params;
+    bool isActive = true;
+};
+
+class ReplayContext
+{
+  public:
+    ReplayContext(size_t readBufferSizebytes, const gl::AttribArray<size_t> &clientArraysSizebytes);
+    ~ReplayContext();
+
+    template <typename T>
+    T getReadBufferPointer(const ParamCapture &param)
+    {
+        ASSERT(param.readBufferSizeBytes > 0);
+        ASSERT(mReadBuffer.size() >= param.readBufferSizeBytes);
+        return reinterpret_cast<T>(mReadBuffer.data());
+    }
+    template <typename T>
+    T getAsConstPointer(const ParamCapture &param)
+    {
+        if (param.arrayClientPointerIndex != -1)
+        {
+            return reinterpret_cast<T>(mClientArraysBuffer[param.arrayClientPointerIndex].data());
+        }
+
+        if (!param.data.empty())
+        {
+            ASSERT(param.data.size() == 1);
+            return reinterpret_cast<T>(param.data[0].data());
+        }
+
+        return nullptr;
+    }
+
+    template <typename T>
+    T getAsPointerConstPointer(const ParamCapture &param)
+    {
+        static_assert(sizeof(typename std::remove_pointer<T>::type) == sizeof(uint8_t *),
+                      "pointer size not match!");
+
+        ASSERT(!param.data.empty());
+        mPointersBuffer.clear();
+        mPointersBuffer.reserve(param.data.size());
+        for (const std::vector<uint8_t> &data : param.data)
+        {
+            mPointersBuffer.emplace_back(data.data());
+        }
+        return reinterpret_cast<T>(mPointersBuffer.data());
+    }
+
+    gl::AttribArray<std::vector<uint8_t>> &getClientArraysBuffer() { return mClientArraysBuffer; }
+
+  private:
+    std::vector<uint8_t> mReadBuffer;
+    std::vector<const uint8_t *> mPointersBuffer;
+    gl::AttribArray<std::vector<uint8_t>> mClientArraysBuffer;
+};
+
+// Helper to use unique IDs for each local data variable.
+class DataCounters final : angle::NonCopyable
+{
+  public:
+    DataCounters();
+    ~DataCounters();
+
+    int getAndIncrement(EntryPoint entryPoint, const std::string &paramName);
+
+  private:
+    // <CallName, ParamName>
+    using Counter = std::pair<EntryPoint, std::string>;
+    std::map<Counter, int> mData;
+};
+
+constexpr int kStringsNotFound = -1;
+class StringCounters final : angle::NonCopyable
+{
+  public:
+    StringCounters();
+    ~StringCounters();
+
+    int getStringCounter(const std::vector<std::string> &str);
+    void setStringCounter(const std::vector<std::string> &str, int &counter);
+
+  private:
+    std::map<std::vector<std::string>, int> mStringCounterMap;
+};
+
+class DataTracker final : angle::NonCopyable
+{
+  public:
+    DataTracker();
+    ~DataTracker();
+
+    DataCounters &getCounters() { return mCounters; }
+    StringCounters &getStringCounters() { return mStringCounters; }
+
+  private:
+    DataCounters mCounters;
+    StringCounters mStringCounters;
+};
+
+class ReplayWriter final : angle::NonCopyable
+{
+  public:
+    ReplayWriter();
+    ~ReplayWriter();
+
+    void setSourceFileSizeThreshold(size_t sourceFileSizeThreshold);
+    void setFilenamePattern(const std::string &pattern);
+    void setCaptureLabel(const std::string &label);
+    void setSourcePrologue(const std::string &prologue);
+    void setHeaderPrologue(const std::string &prologue);
+
+    void addPublicFunction(const std::string &functionProto,
+                           const std::stringstream &headerStream,
+                           const std::stringstream &bodyStream);
+    void addPrivateFunction(const std::string &functionProto,
+                            const std::stringstream &headerStream,
+                            const std::stringstream &bodyStream);
+    std::string getInlineVariableName(EntryPoint entryPoint, const std::string &paramName);
+
+    std::string getInlineStringSetVariableName(EntryPoint entryPoint,
+                                               const std::string &paramName,
+                                               const std::vector<std::string> &strings,
+                                               bool *isNewEntryOut);
+
+    void saveFrame();
+    void saveFrameIfFull();
+    void saveIndexFilesAndHeader();
+    void saveSetupFile();
+
+    std::vector<std::string> getAndResetWrittenFiles();
+
+  private:
+    static std::string GetVarName(EntryPoint entryPoint, const std::string &paramName, int counter);
+
+    void saveHeader();
+    void writeReplaySource(const std::string &filename);
+    void addWrittenFile(const std::string &filename);
+    size_t getStoredReplaySourceSize() const;
+
+    size_t mSourceFileSizeThreshold;
+    size_t mFrameIndex;
+
+    DataTracker mDataTracker;
+    std::string mFilenamePattern;
+    std::string mCaptureLabel;
+    std::string mSourcePrologue;
+    std::string mHeaderPrologue;
+
+    std::vector<std::string> mReplayHeaders;
+    std::vector<std::string> mGlobalVariableDeclarations;
+
+    std::vector<std::string> mPublicFunctionPrototypes;
+    std::vector<std::string> mPublicFunctions;
+
+    std::vector<std::string> mPrivateFunctionPrototypes;
+    std::vector<std::string> mPrivateFunctions;
+
+    std::vector<std::string> mWrittenFiles;
+};
+
+using BufferCalls = std::map<GLuint, std::vector<CallCapture>>;
+
+// true means mapped, false means unmapped
+using BufferMapStatusMap = std::map<GLuint, bool>;
+
+using FenceSyncSet   = std::set<GLsync>;
+using FenceSyncCalls = std::map<GLsync, std::vector<CallCapture>>;
+
+// For default uniforms, we need to track which ones are dirty, and the series of calls to reset.
+// Each program has unique default uniforms, and each uniform has one or more locations in the
+// default buffer. For reset efficiency, we track only the uniforms dirty by location, per program.
+
+// A set of all default uniforms (per program) that were modified during the run
+using DefaultUniformLocationsSet = std::set<gl::UniformLocation>;
+using DefaultUniformLocationsPerProgramMap =
+    std::map<gl::ShaderProgramID, DefaultUniformLocationsSet>;
+
+// A map of programs which maps to locations and their reset calls
+using DefaultUniformCallsPerLocationMap = std::map<gl::UniformLocation, std::vector<CallCapture>>;
+using DefaultUniformCallsPerProgramMap =
+    std::map<gl::ShaderProgramID, DefaultUniformCallsPerLocationMap>;
+
+using DefaultUniformBaseLocationMap =
+    std::map<std::pair<gl::ShaderProgramID, gl::UniformLocation>, gl::UniformLocation>;
+
+using ResourceSet   = std::set<GLuint>;
+using ResourceCalls = std::map<GLuint, std::vector<CallCapture>>;
+
+class TrackedResource final : angle::NonCopyable
+{
+  public:
+    TrackedResource();
+    ~TrackedResource();
+
+    const ResourceSet &getStartingResources() const { return mStartingResources; }
+    ResourceSet &getStartingResources() { return mStartingResources; }
+    const ResourceSet &getNewResources() const { return mNewResources; }
+    ResourceSet &getNewResources() { return mNewResources; }
+    const ResourceSet &getResourcesToRegen() const { return mResourcesToRegen; }
+    ResourceSet &getResourcesToRegen() { return mResourcesToRegen; }
+    const ResourceSet &getResourcesToRestore() const { return mResourcesToRestore; }
+    ResourceSet &getResourcesToRestore() { return mResourcesToRestore; }
+
+    void setGennedResource(GLuint id);
+    void setDeletedResource(GLuint id);
+    void setModifiedResource(GLuint id);
+    bool resourceIsGenerated(GLuint id);
+
+    ResourceCalls &getResourceRegenCalls() { return mResourceRegenCalls; }
+    ResourceCalls &getResourceRestoreCalls() { return mResourceRestoreCalls; }
+
+  private:
+    // Resource regen calls will gen a resource
+    ResourceCalls mResourceRegenCalls;
+    // Resource restore calls will restore the contents of a resource
+    ResourceCalls mResourceRestoreCalls;
+
+    // Resources created during startup
+    ResourceSet mStartingResources;
+
+    // Resources created during the run that need to be deleted
+    ResourceSet mNewResources;
+    // Resources deleted during the run that need to be recreated
+    ResourceSet mResourcesToRegen;
+    // Resources modified during the run that need to be restored
+    ResourceSet mResourcesToRestore;
+};
+
+using TrackedResourceArray =
+    std::array<TrackedResource, static_cast<uint32_t>(ResourceIDType::EnumCount)>;
+
+// Helper to track resource changes during the capture
+class ResourceTracker final : angle::NonCopyable
+{
+  public:
+    ResourceTracker();
+    ~ResourceTracker();
+
+    BufferCalls &getBufferMapCalls() { return mBufferMapCalls; }
+    BufferCalls &getBufferUnmapCalls() { return mBufferUnmapCalls; }
+
+    std::vector<CallCapture> &getBufferBindingCalls() { return mBufferBindingCalls; }
+
+    void setBufferMapped(gl::ContextID contextID, GLuint id);
+    void setBufferUnmapped(gl::ContextID contextID, GLuint id);
+
+    bool getStartingBuffersMappedCurrent(GLuint id) const;
+    bool getStartingBuffersMappedInitial(GLuint id) const;
+
+    void setStartingBufferMapped(GLuint id, bool mapped)
+    {
+        // Track the current state (which will change throughout the trace)
+        mStartingBuffersMappedCurrent[id] = mapped;
+
+        // And the initial state, to compare during frame loop reset
+        mStartingBuffersMappedInitial[id] = mapped;
+    }
+
+    void onShaderProgramAccess(gl::ShaderProgramID shaderProgramID);
+    uint32_t getMaxShaderPrograms() const { return mMaxShaderPrograms; }
+
+    FenceSyncSet &getStartingFenceSyncs() { return mStartingFenceSyncs; }
+    FenceSyncCalls &getFenceSyncRegenCalls() { return mFenceSyncRegenCalls; }
+    FenceSyncSet &getFenceSyncsToRegen() { return mFenceSyncsToRegen; }
+    void setDeletedFenceSync(GLsync sync);
+
+    DefaultUniformLocationsPerProgramMap &getDefaultUniformsToReset()
+    {
+        return mDefaultUniformsToReset;
+    }
+    DefaultUniformCallsPerLocationMap &getDefaultUniformResetCalls(gl::ShaderProgramID id)
+    {
+        return mDefaultUniformResetCalls[id];
+    }
+    void setModifiedDefaultUniform(gl::ShaderProgramID programID, gl::UniformLocation location);
+    void setDefaultUniformBaseLocation(gl::ShaderProgramID programID,
+                                       gl::UniformLocation location,
+                                       gl::UniformLocation baseLocation);
+    gl::UniformLocation getDefaultUniformBaseLocation(gl::ShaderProgramID programID,
+                                                      gl::UniformLocation location)
+    {
+        ASSERT(mDefaultUniformBaseLocations.find({programID, location}) !=
+               mDefaultUniformBaseLocations.end());
+        return mDefaultUniformBaseLocations[{programID, location}];
+    }
+
+    TrackedResource &getTrackedResource(gl::ContextID contextID, ResourceIDType type);
+
+    void getContextIDs(std::set<gl::ContextID> &idsOut);
+
+    std::map<void *, egl::AttributeMap> &getImageToAttribTable() { return mMatchImageToAttribs; }
+
+    std::map<GLuint, void *> &getTextureIDToImageTable() { return mMatchTextureIDToImage; }
+
+  private:
+    // Buffer map calls will map a buffer with correct offset, length, and access flags
+    BufferCalls mBufferMapCalls;
+    // Buffer unmap calls will bind and unmap a given buffer
+    BufferCalls mBufferUnmapCalls;
+
+    // Buffer binding calls to restore bindings recorded during MEC
+    std::vector<CallCapture> mBufferBindingCalls;
+
+    // Whether a given buffer was mapped at the start of the trace
+    BufferMapStatusMap mStartingBuffersMappedInitial;
+    // The status of buffer mapping throughout the trace, modified with each Map/Unmap call
+    BufferMapStatusMap mStartingBuffersMappedCurrent;
+
+    // Maximum accessed shader program ID.
+    uint32_t mMaxShaderPrograms = 0;
+
+    // Fence sync objects created during MEC setup
+    FenceSyncSet mStartingFenceSyncs;
+    // Fence sync regen calls will create a fence sync objects
+    FenceSyncCalls mFenceSyncRegenCalls;
+    // Fence syncs to regen are a list of starting fence sync objects that were deleted and need to
+    // be regen'ed.
+    FenceSyncSet mFenceSyncsToRegen;
+
+    // Default uniforms that were modified during the run
+    DefaultUniformLocationsPerProgramMap mDefaultUniformsToReset;
+    // Calls per default uniform to return to original state
+    DefaultUniformCallsPerProgramMap mDefaultUniformResetCalls;
+
+    // Base location of arrayed uniforms
+    DefaultUniformBaseLocationMap mDefaultUniformBaseLocations;
+
+    // Tracked resources per context
+    TrackedResourceArray mTrackedResourcesShared;
+    std::map<gl::ContextID, TrackedResourceArray> mTrackedResourcesPerContext;
+
+    std::map<void *, egl::AttributeMap> mMatchImageToAttribs;
+    std::map<GLuint, void *> mMatchTextureIDToImage;
+};
+
+// Used by the CPP replay to filter out unnecessary code.
+using HasResourceTypeMap = angle::PackedEnumBitSet<ResourceIDType>;
+
+// Map of ResourceType to IDs and range of setup calls
+using ResourceIDToSetupCallsMap =
+    PackedEnumMap<ResourceIDType, std::map<GLuint, gl::Range<size_t>>>;
+
+// Map of buffer ID to offset and size used when mapped
+using BufferDataMap = std::map<gl::BufferID, std::pair<GLintptr, GLsizeiptr>>;
+
+// A dictionary of sources indexed by shader type.
+using ProgramSources = gl::ShaderMap<std::string>;
+
+// Maps from IDs to sources.
+using ShaderSourceMap  = std::map<gl::ShaderProgramID, std::string>;
+using ProgramSourceMap = std::map<gl::ShaderProgramID, ProgramSources>;
+
+// Map from textureID to level and data
+using TextureLevels       = std::map<GLint, std::vector<uint8_t>>;
+using TextureLevelDataMap = std::map<gl::TextureID, TextureLevels>;
+
+struct SurfaceParams
+{
+    gl::Extents extents;
+    egl::ColorSpace colorSpace;
+};
+
+// Map from ContextID to SurfaceParams
+using SurfaceParamsMap = std::map<gl::ContextID, SurfaceParams>;
+
+using CallVector = std::vector<std::vector<CallCapture> *>;
+
+// A map from API entry point to calls
+using CallResetMap = std::map<angle::EntryPoint, std::vector<CallCapture>>;
+
+// StateResetHelper provides a simple way to track whether an entry point has been called during the
+// trace, along with the reset calls to get it back to starting state.  This is useful for things
+// that are one dimensional, like context bindings or context state.
+class StateResetHelper final : angle::NonCopyable
+{
+  public:
+    StateResetHelper();
+    ~StateResetHelper();
+
+    const std::set<angle::EntryPoint> &getDirtyEntryPoints() const { return mDirtyEntryPoints; }
+    void setEntryPointDirty(EntryPoint entryPoint) { mDirtyEntryPoints.insert(entryPoint); }
+
+    CallResetMap &getResetCalls() { return mResetCalls; }
+    const CallResetMap &getResetCalls() const { return mResetCalls; }
+
+    void setDefaultResetCalls(const gl::Context *context, angle::EntryPoint);
+
+  private:
+    // Dirty state per entry point
+    std::set<angle::EntryPoint> mDirtyEntryPoints;
+
+    // Reset calls per API entry point
+    CallResetMap mResetCalls;
+};
+
+class FrameCapture final : angle::NonCopyable
+{
+  public:
+    FrameCapture();
+    ~FrameCapture();
+
+    std::vector<CallCapture> &getSetupCalls() { return mSetupCalls; }
+    void clearSetupCalls() { mSetupCalls.clear(); }
+
+    StateResetHelper &getStateResetHelper() { return mStateResetHelper; }
+
+    void reset();
+
+  private:
+    std::vector<CallCapture> mSetupCalls;
+
+    StateResetHelper mStateResetHelper;
+};
+
+// Page range inside a coherent buffer
+struct PageRange
+{
+    PageRange(size_t start, size_t end);
+    ~PageRange();
+
+    // Relative start page
+    size_t start;
+
+    // First page after the relative end
+    size_t end;
+};
+
+// Memory address range defined by start and size
+struct AddressRange
+{
+    AddressRange();
+    AddressRange(uintptr_t start, size_t size);
+    ~AddressRange();
+
+    uintptr_t end();
+
+    uintptr_t start;
+    size_t size;
+};
+
+// Used to handle protection of buffers that overlap in pages.
+enum class PageSharingType
+{
+    NoneShared,
+    FirstShared,
+    LastShared,
+    FirstAndLastShared
+};
+
+class CoherentBuffer
+{
+  public:
+    CoherentBuffer(uintptr_t start, size_t size, size_t pageSize);
+    ~CoherentBuffer();
+
+    // Sets the a range in the buffer clean and protects a selected range
+    void protectPageRange(const PageRange &pageRange);
+
+    // Sets a page dirty state and sets it's protection
+    void setDirty(size_t relativePage, bool dirty);
+
+    // Removes protection
+    void removeProtection(PageSharingType sharingType);
+
+    bool contains(size_t page, size_t *relativePage);
+    bool isDirty();
+
+    // Returns dirty page ranges
+    std::vector<PageRange> getDirtyPageRanges();
+
+    // Calculates address range from page range
+    AddressRange getDirtyAddressRange(const PageRange &dirtyPageRange);
+    AddressRange getRange();
+
+  private:
+    // Actual buffer start and size
+    AddressRange mRange;
+
+    // Start and size of page aligned protected area
+    AddressRange mProtectionRange;
+
+    // Start and end of protection in relative pages, calculated from mProtectionRange.
+    size_t mProtectionStartPage;
+    size_t mProtectionEndPage;
+
+    size_t mPageCount;
+    size_t mPageSize;
+
+    // Clean pages are protected
+    std::vector<bool> mDirtyPages;
+};
+
+class CoherentBufferTracker final : angle::NonCopyable
+{
+  public:
+    CoherentBufferTracker();
+    ~CoherentBufferTracker();
+
+    bool isDirty(gl::BufferID id);
+    void addBuffer(gl::BufferID id, uintptr_t start, size_t size);
+    void removeBuffer(gl::BufferID id);
+    void disable();
+    void enable();
+    void onEndFrame();
+
+  private:
+    // Detect overlapping pages when removing protection
+    PageSharingType doesBufferSharePage(gl::BufferID id);
+
+    // Returns a map to found buffers and the corresponding pages for a given address.
+    // For addresses that are in a page shared by 2 buffers, 2 results are returned.
+    HashMap<std::shared_ptr<CoherentBuffer>, size_t> getBufferPagesForAddress(uintptr_t address);
+    PageFaultHandlerRangeType handleWrite(uintptr_t address);
+    bool haveBuffer(gl::BufferID id);
+
+  public:
+    std::mutex mMutex;
+    HashMap<GLuint, std::shared_ptr<CoherentBuffer>> mBuffers;
+
+  private:
+    bool mEnabled = false;
+    std::unique_ptr<PageFaultHandler> mPageFaultHandler;
+    size_t mPageSize;
+};
+
+// Shared class for any items that need to be tracked by FrameCapture across shared contexts
+class FrameCaptureShared final : angle::NonCopyable
+{
+  public:
+    FrameCaptureShared();
+    ~FrameCaptureShared();
+
+    void captureCall(const gl::Context *context, CallCapture &&call, bool isCallValid);
+    void checkForCaptureTrigger();
+    void onEndFrame(const gl::Context *context);
+    void onDestroyContext(const gl::Context *context);
+    void onMakeCurrent(const gl::Context *context, const egl::Surface *drawSurface);
+    bool enabled() const { return mEnabled; }
+
+    bool isCapturing() const;
+    void replay(gl::Context *context);
+    uint32_t getFrameCount() const;
+
+    // Returns a frame index starting from "1" as the first frame.
+    uint32_t getReplayFrameIndex() const;
+
+    void trackBufferMapping(const gl::Context *context,
+                            CallCapture *call,
+                            gl::BufferID id,
+                            gl::Buffer *buffer,
+                            GLintptr offset,
+                            GLsizeiptr length,
+                            bool writable,
+                            bool coherent);
+
+    void trackTextureUpdate(const gl::Context *context, const CallCapture &call);
+    void trackDefaultUniformUpdate(const gl::Context *context, const CallCapture &call);
+    void trackVertexArrayUpdate(const gl::Context *context, const CallCapture &call);
+
+    const std::string &getShaderSource(gl::ShaderProgramID id) const;
+    void setShaderSource(gl::ShaderProgramID id, std::string sources);
+
+    const ProgramSources &getProgramSources(gl::ShaderProgramID id) const;
+    void setProgramSources(gl::ShaderProgramID id, ProgramSources sources);
+
+    // Load data from a previously stored texture level
+    const std::vector<uint8_t> &retrieveCachedTextureLevel(gl::TextureID id,
+                                                           gl::TextureTarget target,
+                                                           GLint level);
+
+    // Create new texture level data and copy the source into it
+    void copyCachedTextureLevel(const gl::Context *context,
+                                gl::TextureID srcID,
+                                GLint srcLevel,
+                                gl::TextureID dstID,
+                                GLint dstLevel,
+                                const CallCapture &call);
+
+    // Create the location that should be used to cache texture level data
+    std::vector<uint8_t> &getCachedTextureLevelData(gl::Texture *texture,
+                                                    gl::TextureTarget target,
+                                                    GLint level,
+                                                    EntryPoint entryPoint);
+
+    // Capture coherent buffer storages
+    void captureCoherentBufferSnapshot(const gl::Context *context, gl::BufferID bufferID);
+
+    // Remove any cached texture levels on deletion
+    void deleteCachedTextureLevelData(gl::TextureID id);
+
+    void eraseBufferDataMapEntry(const gl::BufferID bufferId)
+    {
+        const auto &bufferDataInfo = mBufferDataMap.find(bufferId);
+        if (bufferDataInfo != mBufferDataMap.end())
+        {
+            mBufferDataMap.erase(bufferDataInfo);
+        }
+    }
+
+    bool hasBufferData(gl::BufferID bufferID)
+    {
+        const auto &bufferDataInfo = mBufferDataMap.find(bufferID);
+        if (bufferDataInfo != mBufferDataMap.end())
+        {
+            return true;
+        }
+        return false;
+    }
+
+    std::pair<GLintptr, GLsizeiptr> getBufferDataOffsetAndLength(gl::BufferID bufferID)
+    {
+        const auto &bufferDataInfo = mBufferDataMap.find(bufferID);
+        ASSERT(bufferDataInfo != mBufferDataMap.end());
+        return bufferDataInfo->second;
+    }
+
+    void setCaptureActive() { mCaptureActive = true; }
+    void setCaptureInactive() { mCaptureActive = false; }
+    bool isCaptureActive() { return mCaptureActive; }
+    bool usesMidExecutionCapture() { return mCaptureStartFrame > 1; }
+
+    gl::ContextID getWindowSurfaceContextID() const { return mWindowSurfaceContextID; }
+
+    void markResourceSetupCallsInactive(std::vector<CallCapture> *setupCalls,
+                                        ResourceIDType type,
+                                        GLuint id,
+                                        gl::Range<size_t> range);
+
+    void updateReadBufferSize(size_t readBufferSize)
+    {
+        mReadBufferSize = std::max(mReadBufferSize, readBufferSize);
+    }
+
+    template <typename ResourceType>
+    void handleGennedResource(const gl::Context *context, ResourceType resourceID)
+    {
+        if (isCaptureActive())
+        {
+            ResourceIDType idType    = GetResourceIDTypeFromType<ResourceType>::IDType;
+            TrackedResource &tracker = mResourceTracker.getTrackedResource(context->id(), idType);
+            tracker.setGennedResource(resourceID.value);
+        }
+    }
+
+    template <typename ResourceType>
+    bool resourceIsGenerated(const gl::Context *context, ResourceType resourceID)
+    {
+        ResourceIDType idType    = GetResourceIDTypeFromType<ResourceType>::IDType;
+        TrackedResource &tracker = mResourceTracker.getTrackedResource(context->id(), idType);
+        return tracker.resourceIsGenerated(resourceID.value);
+    }
+
+    template <typename ResourceType>
+    void handleDeletedResource(const gl::Context *context, ResourceType resourceID)
+    {
+        if (isCaptureActive())
+        {
+            ResourceIDType idType    = GetResourceIDTypeFromType<ResourceType>::IDType;
+            TrackedResource &tracker = mResourceTracker.getTrackedResource(context->id(), idType);
+            tracker.setDeletedResource(resourceID.value);
+        }
+    }
+
+  private:
+    void writeJSON(const gl::Context *context);
+    void writeCppReplayIndexFiles(const gl::Context *context, bool writeResetContextCall);
+    void writeMainContextCppReplay(const gl::Context *context,
+                                   const std::vector<CallCapture> &setupCalls,
+                                   StateResetHelper &StateResetHelper);
+
+    void captureClientArraySnapshot(const gl::Context *context,
+                                    size_t vertexCount,
+                                    size_t instanceCount);
+    void captureMappedBufferSnapshot(const gl::Context *context, const CallCapture &call);
+
+    void copyCompressedTextureData(const gl::Context *context, const CallCapture &call);
+    void captureCompressedTextureData(const gl::Context *context, const CallCapture &call);
+
+    void reset();
+    void maybeOverrideEntryPoint(const gl::Context *context,
+                                 CallCapture &call,
+                                 std::vector<CallCapture> &newCalls);
+    void maybeCapturePreCallUpdates(const gl::Context *context,
+                                    CallCapture &call,
+                                    std::vector<CallCapture> *shareGroupSetupCalls,
+                                    ResourceIDToSetupCallsMap *resourceIDToSetupCalls);
+    template <typename ParamValueType>
+    void maybeGenResourceOnBind(const gl::Context *context, CallCapture &call);
+    void maybeCapturePostCallUpdates(const gl::Context *context);
+    void maybeCaptureDrawArraysClientData(const gl::Context *context,
+                                          CallCapture &call,
+                                          size_t instanceCount);
+    void maybeCaptureDrawElementsClientData(const gl::Context *context,
+                                            CallCapture &call,
+                                            size_t instanceCount);
+    void maybeCaptureCoherentBuffers(const gl::Context *context);
+    void updateCopyImageSubData(CallCapture &call);
+    void overrideProgramBinary(const gl::Context *context,
+                               CallCapture &call,
+                               std::vector<CallCapture> &outCalls);
+    void updateResourceCountsFromParamCapture(const ParamCapture &param, ResourceIDType idType);
+    void updateResourceCountsFromCallCapture(const CallCapture &call);
+
+    void runMidExecutionCapture(const gl::Context *context);
+
+    void scanSetupCalls(const gl::Context *context, std::vector<CallCapture> &setupCalls);
+
+    static void ReplayCall(gl::Context *context,
+                           ReplayContext *replayContext,
+                           const CallCapture &call);
+
+    std::vector<CallCapture> mFrameCalls;
+    gl::ContextID mLastContextId;
+
+    // We save one large buffer of binary data for the whole CPP replay.
+    // This simplifies a lot of file management.
+    std::vector<uint8_t> mBinaryData;
+
+    bool mEnabled;
+    bool mSerializeStateEnabled;
+    std::string mOutDirectory;
+    std::string mCaptureLabel;
+    bool mCompression;
+    gl::AttribArray<int> mClientVertexArrayMap;
+    uint32_t mFrameIndex;
+    uint32_t mCaptureStartFrame;
+    uint32_t mCaptureEndFrame;
+    bool mIsFirstFrame   = true;
+    bool mWroteIndexFile = false;
+    SurfaceParamsMap mDrawSurfaceParams;
+    gl::AttribArray<size_t> mClientArraySizes;
+    size_t mReadBufferSize;
+    HasResourceTypeMap mHasResourceType;
+    ResourceIDToSetupCallsMap mResourceIDToSetupCalls;
+    BufferDataMap mBufferDataMap;
+    bool mValidateSerializedState = false;
+    std::string mValidationExpression;
+    bool mTrimEnabled = true;
+    PackedEnumMap<ResourceIDType, uint32_t> mMaxAccessedResourceIDs;
+    CoherentBufferTracker mCoherentBufferTracker;
+
+    ResourceTracker mResourceTracker;
+    ReplayWriter mReplayWriter;
+
+    // If you don't know which frame you want to start capturing at, use the capture trigger.
+    // Initialize it to the number of frames you want to capture, and then clear the value to 0 when
+    // you reach the content you want to capture. Currently only available on Android.
+    uint32_t mCaptureTrigger;
+
+    bool mCaptureActive;
+    std::vector<uint32_t> mActiveFrameIndices;
+
+    // Cache most recently compiled and linked sources.
+    ShaderSourceMap mCachedShaderSource;
+    ProgramSourceMap mCachedProgramSources;
+
+    gl::ContextID mWindowSurfaceContextID;
+
+    std::vector<CallCapture> mShareGroupSetupCalls;
+};
+
+template <typename CaptureFuncT, typename... ArgsT>
+void CaptureCallToFrameCapture(CaptureFuncT captureFunc,
+                               bool isCallValid,
+                               gl::Context *context,
+                               ArgsT... captureParams)
+{
+    FrameCaptureShared *frameCaptureShared = context->getShareGroup()->getFrameCaptureShared();
+    if (!frameCaptureShared->isCapturing())
+    {
+        return;
+    }
+
+    CallCapture call = captureFunc(context->getState(), isCallValid, captureParams...);
+
+    frameCaptureShared->captureCall(context, std::move(call), isCallValid);
+}
+
+template <typename T>
+void ParamBuffer::addValueParam(const char *paramName, ParamType paramType, T paramValue)
+{
+    ParamCapture capture(paramName, paramType);
+    InitParamValue(paramType, paramValue, &capture.value);
+    mParamCaptures.emplace_back(std::move(capture));
+}
+
+template <typename T>
+void ParamBuffer::setValueParamAtIndex(const char *paramName,
+                                       ParamType paramType,
+                                       T paramValue,
+                                       int index)
+{
+    ASSERT(mParamCaptures.size() > static_cast<size_t>(index));
+
+    ParamCapture capture(paramName, paramType);
+    InitParamValue(paramType, paramValue, &capture.value);
+    mParamCaptures[index] = std::move(capture);
+}
+
+template <typename T>
+void ParamBuffer::addEnumParam(const char *paramName,
+                               gl::GLESEnum enumGroup,
+                               ParamType paramType,
+                               T paramValue)
+{
+    ParamCapture capture(paramName, paramType);
+    InitParamValue(paramType, paramValue, &capture.value);
+    capture.enumGroup = enumGroup;
+    mParamCaptures.emplace_back(std::move(capture));
+}
+
+template <typename T>
+void ParamBuffer::addEnumParam(const char *paramName,
+                               gl::BigGLEnum enumGroup,
+                               ParamType paramType,
+                               T paramValue)
+{
+    ParamCapture capture(paramName, paramType);
+    InitParamValue(paramType, paramValue, &capture.value);
+    capture.bigGLEnum = enumGroup;
+    mParamCaptures.emplace_back(std::move(capture));
+}
+
+// Pointer capture helpers.
+void CaptureMemory(const void *source, size_t size, ParamCapture *paramCapture);
+void CaptureString(const GLchar *str, ParamCapture *paramCapture);
+void CaptureStringLimit(const GLchar *str, uint32_t limit, ParamCapture *paramCapture);
+void CaptureVertexPointerGLES1(const gl::State &glState,
+                               gl::ClientVertexArrayType type,
+                               const void *pointer,
+                               ParamCapture *paramCapture);
+
+gl::Program *GetProgramForCapture(const gl::State &glState, gl::ShaderProgramID handle);
+
+// For GetIntegerv, GetFloatv, etc.
+void CaptureGetParameter(const gl::State &glState,
+                         GLenum pname,
+                         size_t typeSize,
+                         ParamCapture *paramCapture);
+
+void CaptureGetActiveUniformBlockivParameters(const gl::State &glState,
+                                              gl::ShaderProgramID handle,
+                                              gl::UniformBlockIndex uniformBlockIndex,
+                                              GLenum pname,
+                                              ParamCapture *paramCapture);
+
+template <typename T>
+void CaptureClearBufferValue(GLenum buffer, const T *value, ParamCapture *paramCapture)
+{
+    // Per the spec, color buffers have a vec4, the rest a single value
+    uint32_t valueSize = (buffer == GL_COLOR) ? 4 : 1;
+    CaptureMemory(value, valueSize * sizeof(T), paramCapture);
+}
+
+void CaptureGenHandlesImpl(GLsizei n, GLuint *handles, ParamCapture *paramCapture);
+
+template <typename T>
+void CaptureGenHandles(GLsizei n, T *handles, ParamCapture *paramCapture)
+{
+    paramCapture->dataNElements = n;
+    CaptureGenHandlesImpl(n, reinterpret_cast<GLuint *>(handles), paramCapture);
+}
+
+template <typename T>
+void CaptureArray(T *elements, GLsizei n, ParamCapture *paramCapture)
+{
+    paramCapture->dataNElements = n;
+    CaptureMemory(elements, n * sizeof(T), paramCapture);
+}
+
+void CaptureShaderStrings(GLsizei count,
+                          const GLchar *const *strings,
+                          const GLint *length,
+                          ParamCapture *paramCapture);
+
+template <ParamType ParamT, typename T>
+void WriteParamValueReplay(std::ostream &os, const CallCapture &call, T value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLboolean>(std::ostream &os,
+                                                  const CallCapture &call,
+                                                  GLboolean value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLbooleanPointer>(std::ostream &os,
+                                                         const CallCapture &call,
+                                                         GLboolean *value);
+
+template <>
+void WriteParamValueReplay<ParamType::TvoidConstPointer>(std::ostream &os,
+                                                         const CallCapture &call,
+                                                         const void *value);
+
+template <>
+void WriteParamValueReplay<ParamType::TvoidPointer>(std::ostream &os,
+                                                    const CallCapture &call,
+                                                    void *value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLfloatConstPointer>(std::ostream &os,
+                                                            const CallCapture &call,
+                                                            const GLfloat *value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLintConstPointer>(std::ostream &os,
+                                                          const CallCapture &call,
+                                                          const GLint *value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLsizeiPointer>(std::ostream &os,
+                                                       const CallCapture &call,
+                                                       GLsizei *value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLuintConstPointer>(std::ostream &os,
+                                                           const CallCapture &call,
+                                                           const GLuint *value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLDEBUGPROCKHR>(std::ostream &os,
+                                                       const CallCapture &call,
+                                                       GLDEBUGPROCKHR value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLDEBUGPROC>(std::ostream &os,
+                                                    const CallCapture &call,
+                                                    GLDEBUGPROC value);
+
+template <>
+void WriteParamValueReplay<ParamType::TBufferID>(std::ostream &os,
+                                                 const CallCapture &call,
+                                                 gl::BufferID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TFenceNVID>(std::ostream &os,
+                                                  const CallCapture &call,
+                                                  gl::FenceNVID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TFramebufferID>(std::ostream &os,
+                                                      const CallCapture &call,
+                                                      gl::FramebufferID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TMemoryObjectID>(std::ostream &os,
+                                                       const CallCapture &call,
+                                                       gl::MemoryObjectID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TProgramPipelineID>(std::ostream &os,
+                                                          const CallCapture &call,
+                                                          gl::ProgramPipelineID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TQueryID>(std::ostream &os,
+                                                const CallCapture &call,
+                                                gl::QueryID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TRenderbufferID>(std::ostream &os,
+                                                       const CallCapture &call,
+                                                       gl::RenderbufferID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TSamplerID>(std::ostream &os,
+                                                  const CallCapture &call,
+                                                  gl::SamplerID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TSemaphoreID>(std::ostream &os,
+                                                    const CallCapture &call,
+                                                    gl::SemaphoreID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TShaderProgramID>(std::ostream &os,
+                                                        const CallCapture &call,
+                                                        gl::ShaderProgramID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TTextureID>(std::ostream &os,
+                                                  const CallCapture &call,
+                                                  gl::TextureID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TTransformFeedbackID>(std::ostream &os,
+                                                            const CallCapture &call,
+                                                            gl::TransformFeedbackID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TVertexArrayID>(std::ostream &os,
+                                                      const CallCapture &call,
+                                                      gl::VertexArrayID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TUniformLocation>(std::ostream &os,
+                                                        const CallCapture &call,
+                                                        gl::UniformLocation value);
+
+template <>
+void WriteParamValueReplay<ParamType::TUniformBlockIndex>(std::ostream &os,
+                                                          const CallCapture &call,
+                                                          gl::UniformBlockIndex value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLsync>(std::ostream &os,
+                                               const CallCapture &call,
+                                               GLsync value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLeglImageOES>(std::ostream &os,
+                                                      const CallCapture &call,
+                                                      GLeglImageOES value);
+
+template <>
+void WriteParamValueReplay<ParamType::TGLubyte>(std::ostream &os,
+                                                const CallCapture &call,
+                                                GLubyte value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLContext>(std::ostream &os,
+                                                   const CallCapture &call,
+                                                   EGLContext value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLDisplay>(std::ostream &os,
+                                                   const CallCapture &call,
+                                                   EGLContext value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLSurface>(std::ostream &os,
+                                                   const CallCapture &call,
+                                                   EGLContext value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLDEBUGPROCKHR>(std::ostream &os,
+                                                        const CallCapture &call,
+                                                        EGLDEBUGPROCKHR value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLGetBlobFuncANDROID>(std::ostream &os,
+                                                              const CallCapture &call,
+                                                              EGLGetBlobFuncANDROID value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLSetBlobFuncANDROID>(std::ostream &os,
+                                                              const CallCapture &call,
+                                                              EGLSetBlobFuncANDROID value);
+template <>
+void WriteParamValueReplay<ParamType::TEGLClientBuffer>(std::ostream &os,
+                                                        const CallCapture &call,
+                                                        EGLClientBuffer value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLConfig>(std::ostream &os,
+                                                  const CallCapture &call,
+                                                  EGLConfig value);
+
+template <>
+void WriteParamValueReplay<ParamType::TEGLSurface>(std::ostream &os,
+                                                   const CallCapture &call,
+                                                   EGLSurface value);
+
+// General fallback for any unspecific type.
+template <ParamType ParamT, typename T>
+void WriteParamValueReplay(std::ostream &os, const CallCapture &call, T value)
+{
+    os << value;
+}
+}  // namespace angle
+
+template <typename T>
+void CaptureTextureAndSamplerParameter_params(GLenum pname,
+                                              const T *param,
+                                              angle::ParamCapture *paramCapture)
+{
+    if (pname == GL_TEXTURE_BORDER_COLOR || pname == GL_TEXTURE_CROP_RECT_OES)
+    {
+        CaptureMemory(param, sizeof(T) * 4, paramCapture);
+    }
+    else
+    {
+        CaptureMemory(param, sizeof(T), paramCapture);
+    }
+}
+
+#endif  // LIBANGLE_FRAME_CAPTURE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/FrameCapture_mock.cpp b/gfx/angle/checkout/src/libANGLE/capture/FrameCapture_mock.cpp
new file mode 100644
index 0000000000..dc9e44c5bb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/FrameCapture_mock.cpp
@@ -0,0 +1,55 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// FrameCapture_mock.cpp:
+//   ANGLE mock Frame capture implementation.
+//
+
+#include "libANGLE/capture/FrameCapture.h"
+
+#if ANGLE_CAPTURE_ENABLED
+#    error Frame capture must be disabled to include this file.
+#endif  // ANGLE_CAPTURE_ENABLED
+
+namespace angle
+{
+CallCapture::~CallCapture() {}
+ParamBuffer::~ParamBuffer() {}
+ParamCapture::~ParamCapture() {}
+ResourceTracker::ResourceTracker() {}
+ResourceTracker::~ResourceTracker() {}
+TrackedResource::TrackedResource() {}
+TrackedResource::~TrackedResource() {}
+StateResetHelper::StateResetHelper() {}
+StateResetHelper::~StateResetHelper() {}
+DataTracker::DataTracker() {}
+DataTracker::~DataTracker() {}
+DataCounters::DataCounters() {}
+DataCounters::~DataCounters() {}
+StringCounters::StringCounters() {}
+StringCounters::~StringCounters() {}
+ReplayWriter::ReplayWriter() {}
+ReplayWriter::~ReplayWriter() {}
+
+FrameCapture::FrameCapture() {}
+FrameCapture::~FrameCapture() {}
+
+FrameCaptureShared::FrameCaptureShared() : mEnabled(false) {}
+FrameCaptureShared::~FrameCaptureShared() {}
+void FrameCaptureShared::onEndFrame(const gl::Context *context) {}
+void FrameCaptureShared::onMakeCurrent(const gl::Context *context, const egl::Surface *drawSurface)
+{}
+void FrameCaptureShared::onDestroyContext(const gl::Context *context) {}
+void FrameCaptureShared::replay(gl::Context *context) {}
+const ProgramSources &FrameCaptureShared::getProgramSources(gl::ShaderProgramID id) const
+{
+    const auto &foundSources = mCachedProgramSources.find(id);
+    return foundSources->second;
+}
+void FrameCaptureShared::setProgramSources(gl::ShaderProgramID id, ProgramSources sources) {}
+
+CoherentBufferTracker::CoherentBufferTracker() {}
+CoherentBufferTracker::~CoherentBufferTracker() {}
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_egl.h b/gfx/angle/checkout/src/libANGLE/capture/capture_egl.h
new file mode 100644
index 0000000000..f23bc1a2ce
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_egl.h
@@ -0,0 +1,69 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_egl.h:
+//   EGL capture functions
+//
+
+#ifndef LIBANGLE_CAPTURE_EGL_H_
+#define LIBANGLE_CAPTURE_EGL_H_
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Thread.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+enum class GLenumGroup;
+}
+
+namespace egl
+{
+
+template <typename CaptureFuncT, typename... ArgsT>
+void CaptureCallToCaptureEGL(CaptureFuncT captureFunc, egl::Thread *thread, ArgsT... captureParams)
+{
+    gl::Context *context = thread->getContext();
+    if (!context)
+    {
+        return;
+    }
+
+    angle::FrameCaptureShared *frameCaptureShared =
+        context->getShareGroup()->getFrameCaptureShared();
+    if (!frameCaptureShared->isCapturing())
+    {
+        return;
+    }
+
+    angle::CallCapture call = captureFunc(captureParams...);
+
+    frameCaptureShared->captureCall(context, std::move(call), true);
+}
+
+angle::CallCapture CaptureCreateNativeClientBufferANDROID(const egl::AttributeMap &attribMap,
+                                                          EGLClientBuffer eglClientBuffer);
+angle::CallCapture CaptureEGLCreateImage(const gl::Context *context,
+                                         EGLenum target,
+                                         EGLClientBuffer buffer,
+                                         const egl::AttributeMap &attributes,
+                                         egl::Image *image);
+angle::CallCapture CaptureEGLDestroyImage(egl::Display *display, egl::Image *image);
+
+angle::CallCapture CaptureEGLCreatePbufferSurface(const AttributeMap &attrib_list,
+                                                  egl::Surface *surface);
+
+angle::CallCapture CaptureEGLDestroySurface(Display *display, Surface *surface);
+
+angle::CallCapture CaptureEGLBindTexImage(egl::Surface *surface, EGLint buffer);
+
+angle::CallCapture CaptureEGLReleaseTexImage(egl::Surface *surface, EGLint buffer);
+
+angle::CallCapture CaptureEGLMakeCurrent(Surface *drawSurface,
+                                         Surface *readSurface,
+                                         gl::Context *context);
+}  // namespace egl
+
+#endif  // LIBANGLE_FRAME_CAPTURE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gl_1_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_1_autogen.h
new file mode 100644
index 0000000000..7e4eea7af1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_1_autogen.h
@@ -0,0 +1,2072 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gl_1_autogen.h:
+//   Capture functions for the OpenGL ES Desktop GL 1.x entry points.
+
+#ifndef LIBANGLE_CAPTURE_GL_1_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GL_1_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+// GL 1.0
+angle::CallCapture CaptureAccum(const State &glState, bool isCallValid, GLenum op, GLfloat value);
+angle::CallCapture CaptureBegin(const State &glState, bool isCallValid, GLenum mode);
+angle::CallCapture CaptureBitmap(const State &glState,
+                                 bool isCallValid,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLfloat xorig,
+                                 GLfloat yorig,
+                                 GLfloat xmove,
+                                 GLfloat ymove,
+                                 const GLubyte *bitmap);
+angle::CallCapture CaptureCallList(const State &glState, bool isCallValid, GLuint list);
+angle::CallCapture CaptureCallLists(const State &glState,
+                                    bool isCallValid,
+                                    GLsizei n,
+                                    GLenum type,
+                                    const void *lists);
+angle::CallCapture CaptureClearAccum(const State &glState,
+                                     bool isCallValid,
+                                     GLfloat red,
+                                     GLfloat green,
+                                     GLfloat blue,
+                                     GLfloat alpha);
+angle::CallCapture CaptureClearDepth(const State &glState, bool isCallValid, GLdouble depth);
+angle::CallCapture CaptureClearIndex(const State &glState, bool isCallValid, GLfloat c);
+angle::CallCapture CaptureClipPlane(const State &glState,
+                                    bool isCallValid,
+                                    GLenum plane,
+                                    const GLdouble *equation);
+angle::CallCapture CaptureColor3b(const State &glState,
+                                  bool isCallValid,
+                                  GLbyte red,
+                                  GLbyte green,
+                                  GLbyte blue);
+angle::CallCapture CaptureColor3bv(const State &glState, bool isCallValid, const GLbyte *v);
+angle::CallCapture CaptureColor3d(const State &glState,
+                                  bool isCallValid,
+                                  GLdouble red,
+                                  GLdouble green,
+                                  GLdouble blue);
+angle::CallCapture CaptureColor3dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureColor3f(const State &glState,
+                                  bool isCallValid,
+                                  GLfloat red,
+                                  GLfloat green,
+                                  GLfloat blue);
+angle::CallCapture CaptureColor3fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureColor3i(const State &glState,
+                                  bool isCallValid,
+                                  GLint red,
+                                  GLint green,
+                                  GLint blue);
+angle::CallCapture CaptureColor3iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureColor3s(const State &glState,
+                                  bool isCallValid,
+                                  GLshort red,
+                                  GLshort green,
+                                  GLshort blue);
+angle::CallCapture CaptureColor3sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureColor3ub(const State &glState,
+                                   bool isCallValid,
+                                   GLubyte red,
+                                   GLubyte green,
+                                   GLubyte blue);
+angle::CallCapture CaptureColor3ubv(const State &glState, bool isCallValid, const GLubyte *v);
+angle::CallCapture CaptureColor3ui(const State &glState,
+                                   bool isCallValid,
+                                   GLuint red,
+                                   GLuint green,
+                                   GLuint blue);
+angle::CallCapture CaptureColor3uiv(const State &glState, bool isCallValid, const GLuint *v);
+angle::CallCapture CaptureColor3us(const State &glState,
+                                   bool isCallValid,
+                                   GLushort red,
+                                   GLushort green,
+                                   GLushort blue);
+angle::CallCapture CaptureColor3usv(const State &glState, bool isCallValid, const GLushort *v);
+angle::CallCapture CaptureColor4b(const State &glState,
+                                  bool isCallValid,
+                                  GLbyte red,
+                                  GLbyte green,
+                                  GLbyte blue,
+                                  GLbyte alpha);
+angle::CallCapture CaptureColor4bv(const State &glState, bool isCallValid, const GLbyte *v);
+angle::CallCapture CaptureColor4d(const State &glState,
+                                  bool isCallValid,
+                                  GLdouble red,
+                                  GLdouble green,
+                                  GLdouble blue,
+                                  GLdouble alpha);
+angle::CallCapture CaptureColor4dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureColor4fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureColor4i(const State &glState,
+                                  bool isCallValid,
+                                  GLint red,
+                                  GLint green,
+                                  GLint blue,
+                                  GLint alpha);
+angle::CallCapture CaptureColor4iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureColor4s(const State &glState,
+                                  bool isCallValid,
+                                  GLshort red,
+                                  GLshort green,
+                                  GLshort blue,
+                                  GLshort alpha);
+angle::CallCapture CaptureColor4sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureColor4ubv(const State &glState, bool isCallValid, const GLubyte *v);
+angle::CallCapture CaptureColor4ui(const State &glState,
+                                   bool isCallValid,
+                                   GLuint red,
+                                   GLuint green,
+                                   GLuint blue,
+                                   GLuint alpha);
+angle::CallCapture CaptureColor4uiv(const State &glState, bool isCallValid, const GLuint *v);
+angle::CallCapture CaptureColor4us(const State &glState,
+                                   bool isCallValid,
+                                   GLushort red,
+                                   GLushort green,
+                                   GLushort blue,
+                                   GLushort alpha);
+angle::CallCapture CaptureColor4usv(const State &glState, bool isCallValid, const GLushort *v);
+angle::CallCapture CaptureColorMaterial(const State &glState,
+                                        bool isCallValid,
+                                        GLenum face,
+                                        GLenum mode);
+angle::CallCapture CaptureCopyPixels(const State &glState,
+                                     bool isCallValid,
+                                     GLint x,
+                                     GLint y,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLenum type);
+angle::CallCapture CaptureDeleteLists(const State &glState,
+                                      bool isCallValid,
+                                      GLuint list,
+                                      GLsizei range);
+angle::CallCapture CaptureDepthRange(const State &glState,
+                                     bool isCallValid,
+                                     GLdouble n,
+                                     GLdouble f);
+angle::CallCapture CaptureDrawBuffer(const State &glState, bool isCallValid, GLenum buf);
+angle::CallCapture CaptureDrawPixels(const State &glState,
+                                     bool isCallValid,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *pixels);
+angle::CallCapture CaptureEdgeFlag(const State &glState, bool isCallValid, GLboolean flag);
+angle::CallCapture CaptureEdgeFlagv(const State &glState, bool isCallValid, const GLboolean *flag);
+angle::CallCapture CaptureEnd(const State &glState, bool isCallValid);
+angle::CallCapture CaptureEndList(const State &glState, bool isCallValid);
+angle::CallCapture CaptureEvalCoord1d(const State &glState, bool isCallValid, GLdouble u);
+angle::CallCapture CaptureEvalCoord1dv(const State &glState, bool isCallValid, const GLdouble *u);
+angle::CallCapture CaptureEvalCoord1f(const State &glState, bool isCallValid, GLfloat u);
+angle::CallCapture CaptureEvalCoord1fv(const State &glState, bool isCallValid, const GLfloat *u);
+angle::CallCapture CaptureEvalCoord2d(const State &glState,
+                                      bool isCallValid,
+                                      GLdouble u,
+                                      GLdouble v);
+angle::CallCapture CaptureEvalCoord2dv(const State &glState, bool isCallValid, const GLdouble *u);
+angle::CallCapture CaptureEvalCoord2f(const State &glState, bool isCallValid, GLfloat u, GLfloat v);
+angle::CallCapture CaptureEvalCoord2fv(const State &glState, bool isCallValid, const GLfloat *u);
+angle::CallCapture CaptureEvalMesh1(const State &glState,
+                                    bool isCallValid,
+                                    GLenum mode,
+                                    GLint i1,
+                                    GLint i2);
+angle::CallCapture CaptureEvalMesh2(const State &glState,
+                                    bool isCallValid,
+                                    GLenum mode,
+                                    GLint i1,
+                                    GLint i2,
+                                    GLint j1,
+                                    GLint j2);
+angle::CallCapture CaptureEvalPoint1(const State &glState, bool isCallValid, GLint i);
+angle::CallCapture CaptureEvalPoint2(const State &glState, bool isCallValid, GLint i, GLint j);
+angle::CallCapture CaptureFeedbackBuffer(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei size,
+                                         GLenum type,
+                                         GLfloat *buffer);
+angle::CallCapture CaptureFogi(const State &glState, bool isCallValid, GLenum pname, GLint param);
+angle::CallCapture CaptureFogiv(const State &glState,
+                                bool isCallValid,
+                                GLenum pname,
+                                const GLint *params);
+angle::CallCapture CaptureFrustum(const State &glState,
+                                  bool isCallValid,
+                                  GLdouble left,
+                                  GLdouble right,
+                                  GLdouble bottom,
+                                  GLdouble top,
+                                  GLdouble zNear,
+                                  GLdouble zFar);
+angle::CallCapture CaptureGenLists(const State &glState,
+                                   bool isCallValid,
+                                   GLsizei range,
+                                   GLuint returnValue);
+angle::CallCapture CaptureGetClipPlane(const State &glState,
+                                       bool isCallValid,
+                                       GLenum plane,
+                                       GLdouble *equation);
+angle::CallCapture CaptureGetDoublev(const State &glState,
+                                     bool isCallValid,
+                                     GLenum pname,
+                                     GLdouble *data);
+angle::CallCapture CaptureGetLightiv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum light,
+                                     GLenum pname,
+                                     GLint *params);
+angle::CallCapture CaptureGetMapdv(const State &glState,
+                                   bool isCallValid,
+                                   GLenum target,
+                                   GLenum query,
+                                   GLdouble *v);
+angle::CallCapture CaptureGetMapfv(const State &glState,
+                                   bool isCallValid,
+                                   GLenum target,
+                                   GLenum query,
+                                   GLfloat *v);
+angle::CallCapture CaptureGetMapiv(const State &glState,
+                                   bool isCallValid,
+                                   GLenum target,
+                                   GLenum query,
+                                   GLint *v);
+angle::CallCapture CaptureGetMaterialiv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum face,
+                                        GLenum pname,
+                                        GLint *params);
+angle::CallCapture CaptureGetPixelMapfv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum map,
+                                        GLfloat *values);
+angle::CallCapture CaptureGetPixelMapuiv(const State &glState,
+                                         bool isCallValid,
+                                         GLenum map,
+                                         GLuint *values);
+angle::CallCapture CaptureGetPixelMapusv(const State &glState,
+                                         bool isCallValid,
+                                         GLenum map,
+                                         GLushort *values);
+angle::CallCapture CaptureGetPolygonStipple(const State &glState, bool isCallValid, GLubyte *mask);
+angle::CallCapture CaptureGetTexGendv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum coord,
+                                      GLenum pname,
+                                      GLdouble *params);
+angle::CallCapture CaptureGetTexGenfv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum coord,
+                                      GLenum pname,
+                                      GLfloat *params);
+angle::CallCapture CaptureGetTexGeniv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum coord,
+                                      GLenum pname,
+                                      GLint *params);
+angle::CallCapture CaptureGetTexImage(const State &glState,
+                                      bool isCallValid,
+                                      TextureTarget targetPacked,
+                                      GLint level,
+                                      GLenum format,
+                                      GLenum type,
+                                      void *pixels);
+angle::CallCapture CaptureIndexMask(const State &glState, bool isCallValid, GLuint mask);
+angle::CallCapture CaptureIndexd(const State &glState, bool isCallValid, GLdouble c);
+angle::CallCapture CaptureIndexdv(const State &glState, bool isCallValid, const GLdouble *c);
+angle::CallCapture CaptureIndexf(const State &glState, bool isCallValid, GLfloat c);
+angle::CallCapture CaptureIndexfv(const State &glState, bool isCallValid, const GLfloat *c);
+angle::CallCapture CaptureIndexi(const State &glState, bool isCallValid, GLint c);
+angle::CallCapture CaptureIndexiv(const State &glState, bool isCallValid, const GLint *c);
+angle::CallCapture CaptureIndexs(const State &glState, bool isCallValid, GLshort c);
+angle::CallCapture CaptureIndexsv(const State &glState, bool isCallValid, const GLshort *c);
+angle::CallCapture CaptureInitNames(const State &glState, bool isCallValid);
+angle::CallCapture CaptureIsList(const State &glState,
+                                 bool isCallValid,
+                                 GLuint list,
+                                 GLboolean returnValue);
+angle::CallCapture CaptureLightModeli(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLint param);
+angle::CallCapture CaptureLightModeliv(const State &glState,
+                                       bool isCallValid,
+                                       GLenum pname,
+                                       const GLint *params);
+angle::CallCapture CaptureLighti(const State &glState,
+                                 bool isCallValid,
+                                 GLenum light,
+                                 GLenum pname,
+                                 GLint param);
+angle::CallCapture CaptureLightiv(const State &glState,
+                                  bool isCallValid,
+                                  GLenum light,
+                                  GLenum pname,
+                                  const GLint *params);
+angle::CallCapture CaptureLineStipple(const State &glState,
+                                      bool isCallValid,
+                                      GLint factor,
+                                      GLushort pattern);
+angle::CallCapture CaptureListBase(const State &glState, bool isCallValid, GLuint base);
+angle::CallCapture CaptureLoadMatrixd(const State &glState, bool isCallValid, const GLdouble *m);
+angle::CallCapture CaptureLoadName(const State &glState, bool isCallValid, GLuint name);
+angle::CallCapture CaptureMap1d(const State &glState,
+                                bool isCallValid,
+                                GLenum target,
+                                GLdouble u1,
+                                GLdouble u2,
+                                GLint stride,
+                                GLint order,
+                                const GLdouble *points);
+angle::CallCapture CaptureMap1f(const State &glState,
+                                bool isCallValid,
+                                GLenum target,
+                                GLfloat u1,
+                                GLfloat u2,
+                                GLint stride,
+                                GLint order,
+                                const GLfloat *points);
+angle::CallCapture CaptureMap2d(const State &glState,
+                                bool isCallValid,
+                                GLenum target,
+                                GLdouble u1,
+                                GLdouble u2,
+                                GLint ustride,
+                                GLint uorder,
+                                GLdouble v1,
+                                GLdouble v2,
+                                GLint vstride,
+                                GLint vorder,
+                                const GLdouble *points);
+angle::CallCapture CaptureMap2f(const State &glState,
+                                bool isCallValid,
+                                GLenum target,
+                                GLfloat u1,
+                                GLfloat u2,
+                                GLint ustride,
+                                GLint uorder,
+                                GLfloat v1,
+                                GLfloat v2,
+                                GLint vstride,
+                                GLint vorder,
+                                const GLfloat *points);
+angle::CallCapture CaptureMapGrid1d(const State &glState,
+                                    bool isCallValid,
+                                    GLint un,
+                                    GLdouble u1,
+                                    GLdouble u2);
+angle::CallCapture CaptureMapGrid1f(const State &glState,
+                                    bool isCallValid,
+                                    GLint un,
+                                    GLfloat u1,
+                                    GLfloat u2);
+angle::CallCapture CaptureMapGrid2d(const State &glState,
+                                    bool isCallValid,
+                                    GLint un,
+                                    GLdouble u1,
+                                    GLdouble u2,
+                                    GLint vn,
+                                    GLdouble v1,
+                                    GLdouble v2);
+angle::CallCapture CaptureMapGrid2f(const State &glState,
+                                    bool isCallValid,
+                                    GLint un,
+                                    GLfloat u1,
+                                    GLfloat u2,
+                                    GLint vn,
+                                    GLfloat v1,
+                                    GLfloat v2);
+angle::CallCapture CaptureMateriali(const State &glState,
+                                    bool isCallValid,
+                                    GLenum face,
+                                    GLenum pname,
+                                    GLint param);
+angle::CallCapture CaptureMaterialiv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum face,
+                                     GLenum pname,
+                                     const GLint *params);
+angle::CallCapture CaptureMultMatrixd(const State &glState, bool isCallValid, const GLdouble *m);
+angle::CallCapture CaptureNewList(const State &glState, bool isCallValid, GLuint list, GLenum mode);
+angle::CallCapture CaptureNormal3b(const State &glState,
+                                   bool isCallValid,
+                                   GLbyte nx,
+                                   GLbyte ny,
+                                   GLbyte nz);
+angle::CallCapture CaptureNormal3bv(const State &glState, bool isCallValid, const GLbyte *v);
+angle::CallCapture CaptureNormal3d(const State &glState,
+                                   bool isCallValid,
+                                   GLdouble nx,
+                                   GLdouble ny,
+                                   GLdouble nz);
+angle::CallCapture CaptureNormal3dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureNormal3fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureNormal3i(const State &glState,
+                                   bool isCallValid,
+                                   GLint nx,
+                                   GLint ny,
+                                   GLint nz);
+angle::CallCapture CaptureNormal3iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureNormal3s(const State &glState,
+                                   bool isCallValid,
+                                   GLshort nx,
+                                   GLshort ny,
+                                   GLshort nz);
+angle::CallCapture CaptureNormal3sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureOrtho(const State &glState,
+                                bool isCallValid,
+                                GLdouble left,
+                                GLdouble right,
+                                GLdouble bottom,
+                                GLdouble top,
+                                GLdouble zNear,
+                                GLdouble zFar);
+angle::CallCapture CapturePassThrough(const State &glState, bool isCallValid, GLfloat token);
+angle::CallCapture CapturePixelMapfv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum map,
+                                     GLsizei mapsize,
+                                     const GLfloat *values);
+angle::CallCapture CapturePixelMapuiv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum map,
+                                      GLsizei mapsize,
+                                      const GLuint *values);
+angle::CallCapture CapturePixelMapusv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum map,
+                                      GLsizei mapsize,
+                                      const GLushort *values);
+angle::CallCapture CapturePixelStoref(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLfloat param);
+angle::CallCapture CapturePixelTransferf(const State &glState,
+                                         bool isCallValid,
+                                         GLenum pname,
+                                         GLfloat param);
+angle::CallCapture CapturePixelTransferi(const State &glState,
+                                         bool isCallValid,
+                                         GLenum pname,
+                                         GLint param);
+angle::CallCapture CapturePixelZoom(const State &glState,
+                                    bool isCallValid,
+                                    GLfloat xfactor,
+                                    GLfloat yfactor);
+angle::CallCapture CapturePolygonMode(const State &glState,
+                                      bool isCallValid,
+                                      GLenum face,
+                                      GLenum mode);
+angle::CallCapture CapturePolygonStipple(const State &glState,
+                                         bool isCallValid,
+                                         const GLubyte *mask);
+angle::CallCapture CapturePopAttrib(const State &glState, bool isCallValid);
+angle::CallCapture CapturePopName(const State &glState, bool isCallValid);
+angle::CallCapture CapturePushAttrib(const State &glState, bool isCallValid, GLbitfield mask);
+angle::CallCapture CapturePushName(const State &glState, bool isCallValid, GLuint name);
+angle::CallCapture CaptureRasterPos2d(const State &glState,
+                                      bool isCallValid,
+                                      GLdouble x,
+                                      GLdouble y);
+angle::CallCapture CaptureRasterPos2dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureRasterPos2f(const State &glState, bool isCallValid, GLfloat x, GLfloat y);
+angle::CallCapture CaptureRasterPos2fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureRasterPos2i(const State &glState, bool isCallValid, GLint x, GLint y);
+angle::CallCapture CaptureRasterPos2iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureRasterPos2s(const State &glState, bool isCallValid, GLshort x, GLshort y);
+angle::CallCapture CaptureRasterPos2sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureRasterPos3d(const State &glState,
+                                      bool isCallValid,
+                                      GLdouble x,
+                                      GLdouble y,
+                                      GLdouble z);
+angle::CallCapture CaptureRasterPos3dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureRasterPos3f(const State &glState,
+                                      bool isCallValid,
+                                      GLfloat x,
+                                      GLfloat y,
+                                      GLfloat z);
+angle::CallCapture CaptureRasterPos3fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureRasterPos3i(const State &glState,
+                                      bool isCallValid,
+                                      GLint x,
+                                      GLint y,
+                                      GLint z);
+angle::CallCapture CaptureRasterPos3iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureRasterPos3s(const State &glState,
+                                      bool isCallValid,
+                                      GLshort x,
+                                      GLshort y,
+                                      GLshort z);
+angle::CallCapture CaptureRasterPos3sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureRasterPos4d(const State &glState,
+                                      bool isCallValid,
+                                      GLdouble x,
+                                      GLdouble y,
+                                      GLdouble z,
+                                      GLdouble w);
+angle::CallCapture CaptureRasterPos4dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureRasterPos4f(const State &glState,
+                                      bool isCallValid,
+                                      GLfloat x,
+                                      GLfloat y,
+                                      GLfloat z,
+                                      GLfloat w);
+angle::CallCapture CaptureRasterPos4fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureRasterPos4i(const State &glState,
+                                      bool isCallValid,
+                                      GLint x,
+                                      GLint y,
+                                      GLint z,
+                                      GLint w);
+angle::CallCapture CaptureRasterPos4iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureRasterPos4s(const State &glState,
+                                      bool isCallValid,
+                                      GLshort x,
+                                      GLshort y,
+                                      GLshort z,
+                                      GLshort w);
+angle::CallCapture CaptureRasterPos4sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureRectd(const State &glState,
+                                bool isCallValid,
+                                GLdouble x1,
+                                GLdouble y1,
+                                GLdouble x2,
+                                GLdouble y2);
+angle::CallCapture CaptureRectdv(const State &glState,
+                                 bool isCallValid,
+                                 const GLdouble *v1,
+                                 const GLdouble *v2);
+angle::CallCapture CaptureRectf(const State &glState,
+                                bool isCallValid,
+                                GLfloat x1,
+                                GLfloat y1,
+                                GLfloat x2,
+                                GLfloat y2);
+angle::CallCapture CaptureRectfv(const State &glState,
+                                 bool isCallValid,
+                                 const GLfloat *v1,
+                                 const GLfloat *v2);
+angle::CallCapture CaptureRecti(const State &glState,
+                                bool isCallValid,
+                                GLint x1,
+                                GLint y1,
+                                GLint x2,
+                                GLint y2);
+angle::CallCapture CaptureRectiv(const State &glState,
+                                 bool isCallValid,
+                                 const GLint *v1,
+                                 const GLint *v2);
+angle::CallCapture CaptureRects(const State &glState,
+                                bool isCallValid,
+                                GLshort x1,
+                                GLshort y1,
+                                GLshort x2,
+                                GLshort y2);
+angle::CallCapture CaptureRectsv(const State &glState,
+                                 bool isCallValid,
+                                 const GLshort *v1,
+                                 const GLshort *v2);
+angle::CallCapture CaptureRenderMode(const State &glState,
+                                     bool isCallValid,
+                                     GLenum mode,
+                                     GLint returnValue);
+angle::CallCapture CaptureRotated(const State &glState,
+                                  bool isCallValid,
+                                  GLdouble angle,
+                                  GLdouble x,
+                                  GLdouble y,
+                                  GLdouble z);
+angle::CallCapture CaptureScaled(const State &glState,
+                                 bool isCallValid,
+                                 GLdouble x,
+                                 GLdouble y,
+                                 GLdouble z);
+angle::CallCapture CaptureSelectBuffer(const State &glState,
+                                       bool isCallValid,
+                                       GLsizei size,
+                                       GLuint *buffer);
+angle::CallCapture CaptureTexCoord1d(const State &glState, bool isCallValid, GLdouble s);
+angle::CallCapture CaptureTexCoord1dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureTexCoord1f(const State &glState, bool isCallValid, GLfloat s);
+angle::CallCapture CaptureTexCoord1fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureTexCoord1i(const State &glState, bool isCallValid, GLint s);
+angle::CallCapture CaptureTexCoord1iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureTexCoord1s(const State &glState, bool isCallValid, GLshort s);
+angle::CallCapture CaptureTexCoord1sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureTexCoord2d(const State &glState,
+                                     bool isCallValid,
+                                     GLdouble s,
+                                     GLdouble t);
+angle::CallCapture CaptureTexCoord2dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureTexCoord2f(const State &glState, bool isCallValid, GLfloat s, GLfloat t);
+angle::CallCapture CaptureTexCoord2fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureTexCoord2i(const State &glState, bool isCallValid, GLint s, GLint t);
+angle::CallCapture CaptureTexCoord2iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureTexCoord2s(const State &glState, bool isCallValid, GLshort s, GLshort t);
+angle::CallCapture CaptureTexCoord2sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureTexCoord3d(const State &glState,
+                                     bool isCallValid,
+                                     GLdouble s,
+                                     GLdouble t,
+                                     GLdouble r);
+angle::CallCapture CaptureTexCoord3dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureTexCoord3f(const State &glState,
+                                     bool isCallValid,
+                                     GLfloat s,
+                                     GLfloat t,
+                                     GLfloat r);
+angle::CallCapture CaptureTexCoord3fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureTexCoord3i(const State &glState,
+                                     bool isCallValid,
+                                     GLint s,
+                                     GLint t,
+                                     GLint r);
+angle::CallCapture CaptureTexCoord3iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureTexCoord3s(const State &glState,
+                                     bool isCallValid,
+                                     GLshort s,
+                                     GLshort t,
+                                     GLshort r);
+angle::CallCapture CaptureTexCoord3sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureTexCoord4d(const State &glState,
+                                     bool isCallValid,
+                                     GLdouble s,
+                                     GLdouble t,
+                                     GLdouble r,
+                                     GLdouble q);
+angle::CallCapture CaptureTexCoord4dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureTexCoord4f(const State &glState,
+                                     bool isCallValid,
+                                     GLfloat s,
+                                     GLfloat t,
+                                     GLfloat r,
+                                     GLfloat q);
+angle::CallCapture CaptureTexCoord4fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureTexCoord4i(const State &glState,
+                                     bool isCallValid,
+                                     GLint s,
+                                     GLint t,
+                                     GLint r,
+                                     GLint q);
+angle::CallCapture CaptureTexCoord4iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureTexCoord4s(const State &glState,
+                                     bool isCallValid,
+                                     GLshort s,
+                                     GLshort t,
+                                     GLshort r,
+                                     GLshort q);
+angle::CallCapture CaptureTexCoord4sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureTexGend(const State &glState,
+                                  bool isCallValid,
+                                  GLenum coord,
+                                  GLenum pname,
+                                  GLdouble param);
+angle::CallCapture CaptureTexGendv(const State &glState,
+                                   bool isCallValid,
+                                   GLenum coord,
+                                   GLenum pname,
+                                   const GLdouble *params);
+angle::CallCapture CaptureTexGenf(const State &glState,
+                                  bool isCallValid,
+                                  GLenum coord,
+                                  GLenum pname,
+                                  GLfloat param);
+angle::CallCapture CaptureTexGenfv(const State &glState,
+                                   bool isCallValid,
+                                   GLenum coord,
+                                   GLenum pname,
+                                   const GLfloat *params);
+angle::CallCapture CaptureTexGeni(const State &glState,
+                                  bool isCallValid,
+                                  GLenum coord,
+                                  GLenum pname,
+                                  GLint param);
+angle::CallCapture CaptureTexGeniv(const State &glState,
+                                   bool isCallValid,
+                                   GLenum coord,
+                                   GLenum pname,
+                                   const GLint *params);
+angle::CallCapture CaptureTexImage1D(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLint level,
+                                     GLint internalformat,
+                                     GLsizei width,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *pixels);
+angle::CallCapture CaptureTranslated(const State &glState,
+                                     bool isCallValid,
+                                     GLdouble x,
+                                     GLdouble y,
+                                     GLdouble z);
+angle::CallCapture CaptureVertex2d(const State &glState, bool isCallValid, GLdouble x, GLdouble y);
+angle::CallCapture CaptureVertex2dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureVertex2f(const State &glState, bool isCallValid, GLfloat x, GLfloat y);
+angle::CallCapture CaptureVertex2fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureVertex2i(const State &glState, bool isCallValid, GLint x, GLint y);
+angle::CallCapture CaptureVertex2iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureVertex2s(const State &glState, bool isCallValid, GLshort x, GLshort y);
+angle::CallCapture CaptureVertex2sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureVertex3d(const State &glState,
+                                   bool isCallValid,
+                                   GLdouble x,
+                                   GLdouble y,
+                                   GLdouble z);
+angle::CallCapture CaptureVertex3dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureVertex3f(const State &glState,
+                                   bool isCallValid,
+                                   GLfloat x,
+                                   GLfloat y,
+                                   GLfloat z);
+angle::CallCapture CaptureVertex3fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureVertex3i(const State &glState,
+                                   bool isCallValid,
+                                   GLint x,
+                                   GLint y,
+                                   GLint z);
+angle::CallCapture CaptureVertex3iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureVertex3s(const State &glState,
+                                   bool isCallValid,
+                                   GLshort x,
+                                   GLshort y,
+                                   GLshort z);
+angle::CallCapture CaptureVertex3sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureVertex4d(const State &glState,
+                                   bool isCallValid,
+                                   GLdouble x,
+                                   GLdouble y,
+                                   GLdouble z,
+                                   GLdouble w);
+angle::CallCapture CaptureVertex4dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureVertex4f(const State &glState,
+                                   bool isCallValid,
+                                   GLfloat x,
+                                   GLfloat y,
+                                   GLfloat z,
+                                   GLfloat w);
+angle::CallCapture CaptureVertex4fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureVertex4i(const State &glState,
+                                   bool isCallValid,
+                                   GLint x,
+                                   GLint y,
+                                   GLint z,
+                                   GLint w);
+angle::CallCapture CaptureVertex4iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureVertex4s(const State &glState,
+                                   bool isCallValid,
+                                   GLshort x,
+                                   GLshort y,
+                                   GLshort z,
+                                   GLshort w);
+angle::CallCapture CaptureVertex4sv(const State &glState, bool isCallValid, const GLshort *v);
+
+// GL 1.1
+angle::CallCapture CaptureAreTexturesResident(const State &glState,
+                                              bool isCallValid,
+                                              GLsizei n,
+                                              const GLuint *textures,
+                                              GLboolean *residences,
+                                              GLboolean returnValue);
+angle::CallCapture CaptureArrayElement(const State &glState, bool isCallValid, GLint i);
+angle::CallCapture CaptureCopyTexImage1D(const State &glState,
+                                         bool isCallValid,
+                                         GLenum target,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLint border);
+angle::CallCapture CaptureCopyTexSubImage1D(const State &glState,
+                                            bool isCallValid,
+                                            GLenum target,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint x,
+                                            GLint y,
+                                            GLsizei width);
+angle::CallCapture CaptureEdgeFlagPointer(const State &glState,
+                                          bool isCallValid,
+                                          GLsizei stride,
+                                          const void *pointer);
+angle::CallCapture CaptureIndexPointer(const State &glState,
+                                       bool isCallValid,
+                                       GLenum type,
+                                       GLsizei stride,
+                                       const void *pointer);
+angle::CallCapture CaptureIndexub(const State &glState, bool isCallValid, GLubyte c);
+angle::CallCapture CaptureIndexubv(const State &glState, bool isCallValid, const GLubyte *c);
+angle::CallCapture CaptureInterleavedArrays(const State &glState,
+                                            bool isCallValid,
+                                            GLenum format,
+                                            GLsizei stride,
+                                            const void *pointer);
+angle::CallCapture CapturePopClientAttrib(const State &glState, bool isCallValid);
+angle::CallCapture CapturePrioritizeTextures(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             const GLuint *textures,
+                                             const GLfloat *priorities);
+angle::CallCapture CapturePushClientAttrib(const State &glState, bool isCallValid, GLbitfield mask);
+angle::CallCapture CaptureTexSubImage1D(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLint level,
+                                        GLint xoffset,
+                                        GLsizei width,
+                                        GLenum format,
+                                        GLenum type,
+                                        const void *pixels);
+
+// GL 1.2
+
+// GL 1.3
+angle::CallCapture CaptureCompressedTexImage1D(const State &glState,
+                                               bool isCallValid,
+                                               GLenum target,
+                                               GLint level,
+                                               GLenum internalformat,
+                                               GLsizei width,
+                                               GLint border,
+                                               GLsizei imageSize,
+                                               const void *data);
+angle::CallCapture CaptureCompressedTexSubImage1D(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum target,
+                                                  GLint level,
+                                                  GLint xoffset,
+                                                  GLsizei width,
+                                                  GLenum format,
+                                                  GLsizei imageSize,
+                                                  const void *data);
+angle::CallCapture CaptureGetCompressedTexImage(const State &glState,
+                                                bool isCallValid,
+                                                TextureTarget targetPacked,
+                                                GLint level,
+                                                void *img);
+angle::CallCapture CaptureLoadTransposeMatrixd(const State &glState,
+                                               bool isCallValid,
+                                               const GLdouble *m);
+angle::CallCapture CaptureLoadTransposeMatrixf(const State &glState,
+                                               bool isCallValid,
+                                               const GLfloat *m);
+angle::CallCapture CaptureMultTransposeMatrixd(const State &glState,
+                                               bool isCallValid,
+                                               const GLdouble *m);
+angle::CallCapture CaptureMultTransposeMatrixf(const State &glState,
+                                               bool isCallValid,
+                                               const GLfloat *m);
+angle::CallCapture CaptureMultiTexCoord1d(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLdouble s);
+angle::CallCapture CaptureMultiTexCoord1dv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLdouble *v);
+angle::CallCapture CaptureMultiTexCoord1f(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLfloat s);
+angle::CallCapture CaptureMultiTexCoord1fv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLfloat *v);
+angle::CallCapture CaptureMultiTexCoord1i(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLint s);
+angle::CallCapture CaptureMultiTexCoord1iv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLint *v);
+angle::CallCapture CaptureMultiTexCoord1s(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLshort s);
+angle::CallCapture CaptureMultiTexCoord1sv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLshort *v);
+angle::CallCapture CaptureMultiTexCoord2d(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLdouble s,
+                                          GLdouble t);
+angle::CallCapture CaptureMultiTexCoord2dv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLdouble *v);
+angle::CallCapture CaptureMultiTexCoord2f(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLfloat s,
+                                          GLfloat t);
+angle::CallCapture CaptureMultiTexCoord2fv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLfloat *v);
+angle::CallCapture CaptureMultiTexCoord2i(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLint s,
+                                          GLint t);
+angle::CallCapture CaptureMultiTexCoord2iv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLint *v);
+angle::CallCapture CaptureMultiTexCoord2s(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLshort s,
+                                          GLshort t);
+angle::CallCapture CaptureMultiTexCoord2sv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLshort *v);
+angle::CallCapture CaptureMultiTexCoord3d(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLdouble s,
+                                          GLdouble t,
+                                          GLdouble r);
+angle::CallCapture CaptureMultiTexCoord3dv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLdouble *v);
+angle::CallCapture CaptureMultiTexCoord3f(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLfloat s,
+                                          GLfloat t,
+                                          GLfloat r);
+angle::CallCapture CaptureMultiTexCoord3fv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLfloat *v);
+angle::CallCapture CaptureMultiTexCoord3i(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLint s,
+                                          GLint t,
+                                          GLint r);
+angle::CallCapture CaptureMultiTexCoord3iv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLint *v);
+angle::CallCapture CaptureMultiTexCoord3s(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLshort s,
+                                          GLshort t,
+                                          GLshort r);
+angle::CallCapture CaptureMultiTexCoord3sv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLshort *v);
+angle::CallCapture CaptureMultiTexCoord4d(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLdouble s,
+                                          GLdouble t,
+                                          GLdouble r,
+                                          GLdouble q);
+angle::CallCapture CaptureMultiTexCoord4dv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLdouble *v);
+angle::CallCapture CaptureMultiTexCoord4fv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLfloat *v);
+angle::CallCapture CaptureMultiTexCoord4i(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLint s,
+                                          GLint t,
+                                          GLint r,
+                                          GLint q);
+angle::CallCapture CaptureMultiTexCoord4iv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLint *v);
+angle::CallCapture CaptureMultiTexCoord4s(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLshort s,
+                                          GLshort t,
+                                          GLshort r,
+                                          GLshort q);
+angle::CallCapture CaptureMultiTexCoord4sv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           const GLshort *v);
+
+// GL 1.4
+angle::CallCapture CaptureFogCoordPointer(const State &glState,
+                                          bool isCallValid,
+                                          GLenum type,
+                                          GLsizei stride,
+                                          const void *pointer);
+angle::CallCapture CaptureFogCoordd(const State &glState, bool isCallValid, GLdouble coord);
+angle::CallCapture CaptureFogCoorddv(const State &glState, bool isCallValid, const GLdouble *coord);
+angle::CallCapture CaptureFogCoordf(const State &glState, bool isCallValid, GLfloat coord);
+angle::CallCapture CaptureFogCoordfv(const State &glState, bool isCallValid, const GLfloat *coord);
+angle::CallCapture CaptureMultiDrawArrays(const State &glState,
+                                          bool isCallValid,
+                                          PrimitiveMode modePacked,
+                                          const GLint *first,
+                                          const GLsizei *count,
+                                          GLsizei drawcount);
+angle::CallCapture CaptureMultiDrawElements(const State &glState,
+                                            bool isCallValid,
+                                            PrimitiveMode modePacked,
+                                            const GLsizei *count,
+                                            DrawElementsType typePacked,
+                                            const void *const *indices,
+                                            GLsizei drawcount);
+angle::CallCapture CapturePointParameteri(const State &glState,
+                                          bool isCallValid,
+                                          GLenum pname,
+                                          GLint param);
+angle::CallCapture CapturePointParameteriv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum pname,
+                                           const GLint *params);
+angle::CallCapture CaptureSecondaryColor3b(const State &glState,
+                                           bool isCallValid,
+                                           GLbyte red,
+                                           GLbyte green,
+                                           GLbyte blue);
+angle::CallCapture CaptureSecondaryColor3bv(const State &glState,
+                                            bool isCallValid,
+                                            const GLbyte *v);
+angle::CallCapture CaptureSecondaryColor3d(const State &glState,
+                                           bool isCallValid,
+                                           GLdouble red,
+                                           GLdouble green,
+                                           GLdouble blue);
+angle::CallCapture CaptureSecondaryColor3dv(const State &glState,
+                                            bool isCallValid,
+                                            const GLdouble *v);
+angle::CallCapture CaptureSecondaryColor3f(const State &glState,
+                                           bool isCallValid,
+                                           GLfloat red,
+                                           GLfloat green,
+                                           GLfloat blue);
+angle::CallCapture CaptureSecondaryColor3fv(const State &glState,
+                                            bool isCallValid,
+                                            const GLfloat *v);
+angle::CallCapture CaptureSecondaryColor3i(const State &glState,
+                                           bool isCallValid,
+                                           GLint red,
+                                           GLint green,
+                                           GLint blue);
+angle::CallCapture CaptureSecondaryColor3iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureSecondaryColor3s(const State &glState,
+                                           bool isCallValid,
+                                           GLshort red,
+                                           GLshort green,
+                                           GLshort blue);
+angle::CallCapture CaptureSecondaryColor3sv(const State &glState,
+                                            bool isCallValid,
+                                            const GLshort *v);
+angle::CallCapture CaptureSecondaryColor3ub(const State &glState,
+                                            bool isCallValid,
+                                            GLubyte red,
+                                            GLubyte green,
+                                            GLubyte blue);
+angle::CallCapture CaptureSecondaryColor3ubv(const State &glState,
+                                             bool isCallValid,
+                                             const GLubyte *v);
+angle::CallCapture CaptureSecondaryColor3ui(const State &glState,
+                                            bool isCallValid,
+                                            GLuint red,
+                                            GLuint green,
+                                            GLuint blue);
+angle::CallCapture CaptureSecondaryColor3uiv(const State &glState,
+                                             bool isCallValid,
+                                             const GLuint *v);
+angle::CallCapture CaptureSecondaryColor3us(const State &glState,
+                                            bool isCallValid,
+                                            GLushort red,
+                                            GLushort green,
+                                            GLushort blue);
+angle::CallCapture CaptureSecondaryColor3usv(const State &glState,
+                                             bool isCallValid,
+                                             const GLushort *v);
+angle::CallCapture CaptureSecondaryColorPointer(const State &glState,
+                                                bool isCallValid,
+                                                GLint size,
+                                                GLenum type,
+                                                GLsizei stride,
+                                                const void *pointer);
+angle::CallCapture CaptureWindowPos2d(const State &glState,
+                                      bool isCallValid,
+                                      GLdouble x,
+                                      GLdouble y);
+angle::CallCapture CaptureWindowPos2dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureWindowPos2f(const State &glState, bool isCallValid, GLfloat x, GLfloat y);
+angle::CallCapture CaptureWindowPos2fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureWindowPos2i(const State &glState, bool isCallValid, GLint x, GLint y);
+angle::CallCapture CaptureWindowPos2iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureWindowPos2s(const State &glState, bool isCallValid, GLshort x, GLshort y);
+angle::CallCapture CaptureWindowPos2sv(const State &glState, bool isCallValid, const GLshort *v);
+angle::CallCapture CaptureWindowPos3d(const State &glState,
+                                      bool isCallValid,
+                                      GLdouble x,
+                                      GLdouble y,
+                                      GLdouble z);
+angle::CallCapture CaptureWindowPos3dv(const State &glState, bool isCallValid, const GLdouble *v);
+angle::CallCapture CaptureWindowPos3f(const State &glState,
+                                      bool isCallValid,
+                                      GLfloat x,
+                                      GLfloat y,
+                                      GLfloat z);
+angle::CallCapture CaptureWindowPos3fv(const State &glState, bool isCallValid, const GLfloat *v);
+angle::CallCapture CaptureWindowPos3i(const State &glState,
+                                      bool isCallValid,
+                                      GLint x,
+                                      GLint y,
+                                      GLint z);
+angle::CallCapture CaptureWindowPos3iv(const State &glState, bool isCallValid, const GLint *v);
+angle::CallCapture CaptureWindowPos3s(const State &glState,
+                                      bool isCallValid,
+                                      GLshort x,
+                                      GLshort y,
+                                      GLshort z);
+angle::CallCapture CaptureWindowPos3sv(const State &glState, bool isCallValid, const GLshort *v);
+
+// GL 1.5
+angle::CallCapture CaptureGetBufferSubData(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           GLintptr offset,
+                                           GLsizeiptr size,
+                                           void *data);
+angle::CallCapture CaptureGetQueryObjectiv(const State &glState,
+                                           bool isCallValid,
+                                           QueryID idPacked,
+                                           GLenum pname,
+                                           GLint *params);
+angle::CallCapture CaptureMapBuffer(const State &glState,
+                                    bool isCallValid,
+                                    BufferBinding targetPacked,
+                                    GLenum access,
+                                    void *returnValue);
+
+// Parameter Captures
+
+// GL 1.0
+void CaptureBitmap_bitmap(const State &glState,
+                          bool isCallValid,
+                          GLsizei width,
+                          GLsizei height,
+                          GLfloat xorig,
+                          GLfloat yorig,
+                          GLfloat xmove,
+                          GLfloat ymove,
+                          const GLubyte *bitmap,
+                          angle::ParamCapture *paramCapture);
+void CaptureCallLists_lists(const State &glState,
+                            bool isCallValid,
+                            GLsizei n,
+                            GLenum type,
+                            const void *lists,
+                            angle::ParamCapture *paramCapture);
+void CaptureClipPlane_equation(const State &glState,
+                               bool isCallValid,
+                               GLenum plane,
+                               const GLdouble *equation,
+                               angle::ParamCapture *paramCapture);
+void CaptureColor3bv_v(const State &glState,
+                       bool isCallValid,
+                       const GLbyte *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor3dv_v(const State &glState,
+                       bool isCallValid,
+                       const GLdouble *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor3fv_v(const State &glState,
+                       bool isCallValid,
+                       const GLfloat *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor3iv_v(const State &glState,
+                       bool isCallValid,
+                       const GLint *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor3sv_v(const State &glState,
+                       bool isCallValid,
+                       const GLshort *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor3ubv_v(const State &glState,
+                        bool isCallValid,
+                        const GLubyte *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureColor3uiv_v(const State &glState,
+                        bool isCallValid,
+                        const GLuint *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureColor3usv_v(const State &glState,
+                        bool isCallValid,
+                        const GLushort *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureColor4bv_v(const State &glState,
+                       bool isCallValid,
+                       const GLbyte *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor4dv_v(const State &glState,
+                       bool isCallValid,
+                       const GLdouble *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor4fv_v(const State &glState,
+                       bool isCallValid,
+                       const GLfloat *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor4iv_v(const State &glState,
+                       bool isCallValid,
+                       const GLint *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor4sv_v(const State &glState,
+                       bool isCallValid,
+                       const GLshort *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureColor4ubv_v(const State &glState,
+                        bool isCallValid,
+                        const GLubyte *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureColor4uiv_v(const State &glState,
+                        bool isCallValid,
+                        const GLuint *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureColor4usv_v(const State &glState,
+                        bool isCallValid,
+                        const GLushort *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureDrawPixels_pixels(const State &glState,
+                              bool isCallValid,
+                              GLsizei width,
+                              GLsizei height,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels,
+                              angle::ParamCapture *paramCapture);
+void CaptureEdgeFlagv_flag(const State &glState,
+                           bool isCallValid,
+                           const GLboolean *flag,
+                           angle::ParamCapture *paramCapture);
+void CaptureEvalCoord1dv_u(const State &glState,
+                           bool isCallValid,
+                           const GLdouble *u,
+                           angle::ParamCapture *paramCapture);
+void CaptureEvalCoord1fv_u(const State &glState,
+                           bool isCallValid,
+                           const GLfloat *u,
+                           angle::ParamCapture *paramCapture);
+void CaptureEvalCoord2dv_u(const State &glState,
+                           bool isCallValid,
+                           const GLdouble *u,
+                           angle::ParamCapture *paramCapture);
+void CaptureEvalCoord2fv_u(const State &glState,
+                           bool isCallValid,
+                           const GLfloat *u,
+                           angle::ParamCapture *paramCapture);
+void CaptureFeedbackBuffer_buffer(const State &glState,
+                                  bool isCallValid,
+                                  GLsizei size,
+                                  GLenum type,
+                                  GLfloat *buffer,
+                                  angle::ParamCapture *paramCapture);
+void CaptureFogiv_params(const State &glState,
+                         bool isCallValid,
+                         GLenum pname,
+                         const GLint *params,
+                         angle::ParamCapture *paramCapture);
+void CaptureGetClipPlane_equation(const State &glState,
+                                  bool isCallValid,
+                                  GLenum plane,
+                                  GLdouble *equation,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetDoublev_data(const State &glState,
+                            bool isCallValid,
+                            GLenum pname,
+                            GLdouble *data,
+                            angle::ParamCapture *paramCapture);
+void CaptureGetLightiv_params(const State &glState,
+                              bool isCallValid,
+                              GLenum light,
+                              GLenum pname,
+                              GLint *params,
+                              angle::ParamCapture *paramCapture);
+void CaptureGetMapdv_v(const State &glState,
+                       bool isCallValid,
+                       GLenum target,
+                       GLenum query,
+                       GLdouble *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureGetMapfv_v(const State &glState,
+                       bool isCallValid,
+                       GLenum target,
+                       GLenum query,
+                       GLfloat *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureGetMapiv_v(const State &glState,
+                       bool isCallValid,
+                       GLenum target,
+                       GLenum query,
+                       GLint *v,
+                       angle::ParamCapture *paramCapture);
+void CaptureGetMaterialiv_params(const State &glState,
+                                 bool isCallValid,
+                                 GLenum face,
+                                 GLenum pname,
+                                 GLint *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetPixelMapfv_values(const State &glState,
+                                 bool isCallValid,
+                                 GLenum map,
+                                 GLfloat *values,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetPixelMapuiv_values(const State &glState,
+                                  bool isCallValid,
+                                  GLenum map,
+                                  GLuint *values,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetPixelMapusv_values(const State &glState,
+                                  bool isCallValid,
+                                  GLenum map,
+                                  GLushort *values,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetPolygonStipple_mask(const State &glState,
+                                   bool isCallValid,
+                                   GLubyte *mask,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetTexGendv_params(const State &glState,
+                               bool isCallValid,
+                               GLenum coord,
+                               GLenum pname,
+                               GLdouble *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetTexGenfv_params(const State &glState,
+                               bool isCallValid,
+                               GLenum coord,
+                               GLenum pname,
+                               GLfloat *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetTexGeniv_params(const State &glState,
+                               bool isCallValid,
+                               GLenum coord,
+                               GLenum pname,
+                               GLint *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetTexImage_pixels(const State &glState,
+                               bool isCallValid,
+                               TextureTarget targetPacked,
+                               GLint level,
+                               GLenum format,
+                               GLenum type,
+                               void *pixels,
+                               angle::ParamCapture *paramCapture);
+void CaptureIndexdv_c(const State &glState,
+                      bool isCallValid,
+                      const GLdouble *c,
+                      angle::ParamCapture *paramCapture);
+void CaptureIndexfv_c(const State &glState,
+                      bool isCallValid,
+                      const GLfloat *c,
+                      angle::ParamCapture *paramCapture);
+void CaptureIndexiv_c(const State &glState,
+                      bool isCallValid,
+                      const GLint *c,
+                      angle::ParamCapture *paramCapture);
+void CaptureIndexsv_c(const State &glState,
+                      bool isCallValid,
+                      const GLshort *c,
+                      angle::ParamCapture *paramCapture);
+void CaptureLightModeliv_params(const State &glState,
+                                bool isCallValid,
+                                GLenum pname,
+                                const GLint *params,
+                                angle::ParamCapture *paramCapture);
+void CaptureLightiv_params(const State &glState,
+                           bool isCallValid,
+                           GLenum light,
+                           GLenum pname,
+                           const GLint *params,
+                           angle::ParamCapture *paramCapture);
+void CaptureLoadMatrixd_m(const State &glState,
+                          bool isCallValid,
+                          const GLdouble *m,
+                          angle::ParamCapture *paramCapture);
+void CaptureMap1d_points(const State &glState,
+                         bool isCallValid,
+                         GLenum target,
+                         GLdouble u1,
+                         GLdouble u2,
+                         GLint stride,
+                         GLint order,
+                         const GLdouble *points,
+                         angle::ParamCapture *paramCapture);
+void CaptureMap1f_points(const State &glState,
+                         bool isCallValid,
+                         GLenum target,
+                         GLfloat u1,
+                         GLfloat u2,
+                         GLint stride,
+                         GLint order,
+                         const GLfloat *points,
+                         angle::ParamCapture *paramCapture);
+void CaptureMap2d_points(const State &glState,
+                         bool isCallValid,
+                         GLenum target,
+                         GLdouble u1,
+                         GLdouble u2,
+                         GLint ustride,
+                         GLint uorder,
+                         GLdouble v1,
+                         GLdouble v2,
+                         GLint vstride,
+                         GLint vorder,
+                         const GLdouble *points,
+                         angle::ParamCapture *paramCapture);
+void CaptureMap2f_points(const State &glState,
+                         bool isCallValid,
+                         GLenum target,
+                         GLfloat u1,
+                         GLfloat u2,
+                         GLint ustride,
+                         GLint uorder,
+                         GLfloat v1,
+                         GLfloat v2,
+                         GLint vstride,
+                         GLint vorder,
+                         const GLfloat *points,
+                         angle::ParamCapture *paramCapture);
+void CaptureMaterialiv_params(const State &glState,
+                              bool isCallValid,
+                              GLenum face,
+                              GLenum pname,
+                              const GLint *params,
+                              angle::ParamCapture *paramCapture);
+void CaptureMultMatrixd_m(const State &glState,
+                          bool isCallValid,
+                          const GLdouble *m,
+                          angle::ParamCapture *paramCapture);
+void CaptureNormal3bv_v(const State &glState,
+                        bool isCallValid,
+                        const GLbyte *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureNormal3dv_v(const State &glState,
+                        bool isCallValid,
+                        const GLdouble *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureNormal3fv_v(const State &glState,
+                        bool isCallValid,
+                        const GLfloat *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureNormal3iv_v(const State &glState,
+                        bool isCallValid,
+                        const GLint *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureNormal3sv_v(const State &glState,
+                        bool isCallValid,
+                        const GLshort *v,
+                        angle::ParamCapture *paramCapture);
+void CapturePixelMapfv_values(const State &glState,
+                              bool isCallValid,
+                              GLenum map,
+                              GLsizei mapsize,
+                              const GLfloat *values,
+                              angle::ParamCapture *paramCapture);
+void CapturePixelMapuiv_values(const State &glState,
+                               bool isCallValid,
+                               GLenum map,
+                               GLsizei mapsize,
+                               const GLuint *values,
+                               angle::ParamCapture *paramCapture);
+void CapturePixelMapusv_values(const State &glState,
+                               bool isCallValid,
+                               GLenum map,
+                               GLsizei mapsize,
+                               const GLushort *values,
+                               angle::ParamCapture *paramCapture);
+void CapturePolygonStipple_mask(const State &glState,
+                                bool isCallValid,
+                                const GLubyte *mask,
+                                angle::ParamCapture *paramCapture);
+void CaptureRasterPos2dv_v(const State &glState,
+                           bool isCallValid,
+                           const GLdouble *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos2fv_v(const State &glState,
+                           bool isCallValid,
+                           const GLfloat *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos2iv_v(const State &glState,
+                           bool isCallValid,
+                           const GLint *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos2sv_v(const State &glState,
+                           bool isCallValid,
+                           const GLshort *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos3dv_v(const State &glState,
+                           bool isCallValid,
+                           const GLdouble *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos3fv_v(const State &glState,
+                           bool isCallValid,
+                           const GLfloat *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos3iv_v(const State &glState,
+                           bool isCallValid,
+                           const GLint *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos3sv_v(const State &glState,
+                           bool isCallValid,
+                           const GLshort *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos4dv_v(const State &glState,
+                           bool isCallValid,
+                           const GLdouble *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos4fv_v(const State &glState,
+                           bool isCallValid,
+                           const GLfloat *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos4iv_v(const State &glState,
+                           bool isCallValid,
+                           const GLint *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRasterPos4sv_v(const State &glState,
+                           bool isCallValid,
+                           const GLshort *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureRectdv_v1(const State &glState,
+                      bool isCallValid,
+                      const GLdouble *v1,
+                      const GLdouble *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureRectdv_v2(const State &glState,
+                      bool isCallValid,
+                      const GLdouble *v1,
+                      const GLdouble *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureRectfv_v1(const State &glState,
+                      bool isCallValid,
+                      const GLfloat *v1,
+                      const GLfloat *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureRectfv_v2(const State &glState,
+                      bool isCallValid,
+                      const GLfloat *v1,
+                      const GLfloat *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureRectiv_v1(const State &glState,
+                      bool isCallValid,
+                      const GLint *v1,
+                      const GLint *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureRectiv_v2(const State &glState,
+                      bool isCallValid,
+                      const GLint *v1,
+                      const GLint *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureRectsv_v1(const State &glState,
+                      bool isCallValid,
+                      const GLshort *v1,
+                      const GLshort *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureRectsv_v2(const State &glState,
+                      bool isCallValid,
+                      const GLshort *v1,
+                      const GLshort *v2,
+                      angle::ParamCapture *paramCapture);
+void CaptureSelectBuffer_buffer(const State &glState,
+                                bool isCallValid,
+                                GLsizei size,
+                                GLuint *buffer,
+                                angle::ParamCapture *paramCapture);
+void CaptureTexCoord1dv_v(const State &glState,
+                          bool isCallValid,
+                          const GLdouble *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord1fv_v(const State &glState,
+                          bool isCallValid,
+                          const GLfloat *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord1iv_v(const State &glState,
+                          bool isCallValid,
+                          const GLint *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord1sv_v(const State &glState,
+                          bool isCallValid,
+                          const GLshort *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord2dv_v(const State &glState,
+                          bool isCallValid,
+                          const GLdouble *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord2fv_v(const State &glState,
+                          bool isCallValid,
+                          const GLfloat *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord2iv_v(const State &glState,
+                          bool isCallValid,
+                          const GLint *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord2sv_v(const State &glState,
+                          bool isCallValid,
+                          const GLshort *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord3dv_v(const State &glState,
+                          bool isCallValid,
+                          const GLdouble *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord3fv_v(const State &glState,
+                          bool isCallValid,
+                          const GLfloat *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord3iv_v(const State &glState,
+                          bool isCallValid,
+                          const GLint *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord3sv_v(const State &glState,
+                          bool isCallValid,
+                          const GLshort *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord4dv_v(const State &glState,
+                          bool isCallValid,
+                          const GLdouble *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord4fv_v(const State &glState,
+                          bool isCallValid,
+                          const GLfloat *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord4iv_v(const State &glState,
+                          bool isCallValid,
+                          const GLint *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexCoord4sv_v(const State &glState,
+                          bool isCallValid,
+                          const GLshort *v,
+                          angle::ParamCapture *paramCapture);
+void CaptureTexGendv_params(const State &glState,
+                            bool isCallValid,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLdouble *params,
+                            angle::ParamCapture *paramCapture);
+void CaptureTexGenfv_params(const State &glState,
+                            bool isCallValid,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLfloat *params,
+                            angle::ParamCapture *paramCapture);
+void CaptureTexGeniv_params(const State &glState,
+                            bool isCallValid,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLint *params,
+                            angle::ParamCapture *paramCapture);
+void CaptureTexImage1D_pixels(const State &glState,
+                              bool isCallValid,
+                              GLenum target,
+                              GLint level,
+                              GLint internalformat,
+                              GLsizei width,
+                              GLint border,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertex2dv_v(const State &glState,
+                        bool isCallValid,
+                        const GLdouble *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex2fv_v(const State &glState,
+                        bool isCallValid,
+                        const GLfloat *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex2iv_v(const State &glState,
+                        bool isCallValid,
+                        const GLint *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex2sv_v(const State &glState,
+                        bool isCallValid,
+                        const GLshort *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex3dv_v(const State &glState,
+                        bool isCallValid,
+                        const GLdouble *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex3fv_v(const State &glState,
+                        bool isCallValid,
+                        const GLfloat *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex3iv_v(const State &glState,
+                        bool isCallValid,
+                        const GLint *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex3sv_v(const State &glState,
+                        bool isCallValid,
+                        const GLshort *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex4dv_v(const State &glState,
+                        bool isCallValid,
+                        const GLdouble *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex4fv_v(const State &glState,
+                        bool isCallValid,
+                        const GLfloat *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex4iv_v(const State &glState,
+                        bool isCallValid,
+                        const GLint *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureVertex4sv_v(const State &glState,
+                        bool isCallValid,
+                        const GLshort *v,
+                        angle::ParamCapture *paramCapture);
+
+// GL 1.1
+void CaptureAreTexturesResident_textures(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei n,
+                                         const GLuint *textures,
+                                         GLboolean *residences,
+                                         angle::ParamCapture *paramCapture);
+void CaptureAreTexturesResident_residences(const State &glState,
+                                           bool isCallValid,
+                                           GLsizei n,
+                                           const GLuint *textures,
+                                           GLboolean *residences,
+                                           angle::ParamCapture *paramCapture);
+void CaptureEdgeFlagPointer_pointer(const State &glState,
+                                    bool isCallValid,
+                                    GLsizei stride,
+                                    const void *pointer,
+                                    angle::ParamCapture *paramCapture);
+void CaptureIndexPointer_pointer(const State &glState,
+                                 bool isCallValid,
+                                 GLenum type,
+                                 GLsizei stride,
+                                 const void *pointer,
+                                 angle::ParamCapture *paramCapture);
+void CaptureIndexubv_c(const State &glState,
+                       bool isCallValid,
+                       const GLubyte *c,
+                       angle::ParamCapture *paramCapture);
+void CaptureInterleavedArrays_pointer(const State &glState,
+                                      bool isCallValid,
+                                      GLenum format,
+                                      GLsizei stride,
+                                      const void *pointer,
+                                      angle::ParamCapture *paramCapture);
+void CapturePrioritizeTextures_textures(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        const GLuint *textures,
+                                        const GLfloat *priorities,
+                                        angle::ParamCapture *paramCapture);
+void CapturePrioritizeTextures_priorities(const State &glState,
+                                          bool isCallValid,
+                                          GLsizei n,
+                                          const GLuint *textures,
+                                          const GLfloat *priorities,
+                                          angle::ParamCapture *paramCapture);
+void CaptureTexSubImage1D_pixels(const State &glState,
+                                 bool isCallValid,
+                                 GLenum target,
+                                 GLint level,
+                                 GLint xoffset,
+                                 GLsizei width,
+                                 GLenum format,
+                                 GLenum type,
+                                 const void *pixels,
+                                 angle::ParamCapture *paramCapture);
+
+// GL 1.2
+
+// GL 1.3
+void CaptureCompressedTexImage1D_data(const State &glState,
+                                      bool isCallValid,
+                                      GLenum target,
+                                      GLint level,
+                                      GLenum internalformat,
+                                      GLsizei width,
+                                      GLint border,
+                                      GLsizei imageSize,
+                                      const void *data,
+                                      angle::ParamCapture *paramCapture);
+void CaptureCompressedTexSubImage1D_data(const State &glState,
+                                         bool isCallValid,
+                                         GLenum target,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLsizei width,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetCompressedTexImage_img(const State &glState,
+                                      bool isCallValid,
+                                      TextureTarget targetPacked,
+                                      GLint level,
+                                      void *img,
+                                      angle::ParamCapture *paramCapture);
+void CaptureLoadTransposeMatrixd_m(const State &glState,
+                                   bool isCallValid,
+                                   const GLdouble *m,
+                                   angle::ParamCapture *paramCapture);
+void CaptureLoadTransposeMatrixf_m(const State &glState,
+                                   bool isCallValid,
+                                   const GLfloat *m,
+                                   angle::ParamCapture *paramCapture);
+void CaptureMultTransposeMatrixd_m(const State &glState,
+                                   bool isCallValid,
+                                   const GLdouble *m,
+                                   angle::ParamCapture *paramCapture);
+void CaptureMultTransposeMatrixf_m(const State &glState,
+                                   bool isCallValid,
+                                   const GLfloat *m,
+                                   angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord1dv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord1fv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLfloat *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord1iv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord1sv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLshort *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord2dv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord2fv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLfloat *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord2iv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord2sv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLshort *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord3dv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord3fv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLfloat *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord3iv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord3sv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLshort *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord4dv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord4fv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLfloat *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord4iv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoord4sv_v(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               const GLshort *v,
+                               angle::ParamCapture *paramCapture);
+
+// GL 1.4
+void CaptureFogCoordPointer_pointer(const State &glState,
+                                    bool isCallValid,
+                                    GLenum type,
+                                    GLsizei stride,
+                                    const void *pointer,
+                                    angle::ParamCapture *paramCapture);
+void CaptureFogCoorddv_coord(const State &glState,
+                             bool isCallValid,
+                             const GLdouble *coord,
+                             angle::ParamCapture *paramCapture);
+void CaptureFogCoordfv_coord(const State &glState,
+                             bool isCallValid,
+                             const GLfloat *coord,
+                             angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArrays_first(const State &glState,
+                                  bool isCallValid,
+                                  PrimitiveMode modePacked,
+                                  const GLint *first,
+                                  const GLsizei *count,
+                                  GLsizei drawcount,
+                                  angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArrays_count(const State &glState,
+                                  bool isCallValid,
+                                  PrimitiveMode modePacked,
+                                  const GLint *first,
+                                  const GLsizei *count,
+                                  GLsizei drawcount,
+                                  angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElements_count(const State &glState,
+                                    bool isCallValid,
+                                    PrimitiveMode modePacked,
+                                    const GLsizei *count,
+                                    DrawElementsType typePacked,
+                                    const void *const *indices,
+                                    GLsizei drawcount,
+                                    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElements_indices(const State &glState,
+                                      bool isCallValid,
+                                      PrimitiveMode modePacked,
+                                      const GLsizei *count,
+                                      DrawElementsType typePacked,
+                                      const void *const *indices,
+                                      GLsizei drawcount,
+                                      angle::ParamCapture *paramCapture);
+void CapturePointParameteriv_params(const State &glState,
+                                    bool isCallValid,
+                                    GLenum pname,
+                                    const GLint *params,
+                                    angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3bv_v(const State &glState,
+                                bool isCallValid,
+                                const GLbyte *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3dv_v(const State &glState,
+                                bool isCallValid,
+                                const GLdouble *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3fv_v(const State &glState,
+                                bool isCallValid,
+                                const GLfloat *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3iv_v(const State &glState,
+                                bool isCallValid,
+                                const GLint *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3sv_v(const State &glState,
+                                bool isCallValid,
+                                const GLshort *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3ubv_v(const State &glState,
+                                 bool isCallValid,
+                                 const GLubyte *v,
+                                 angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3uiv_v(const State &glState,
+                                 bool isCallValid,
+                                 const GLuint *v,
+                                 angle::ParamCapture *paramCapture);
+void CaptureSecondaryColor3usv_v(const State &glState,
+                                 bool isCallValid,
+                                 const GLushort *v,
+                                 angle::ParamCapture *paramCapture);
+void CaptureSecondaryColorPointer_pointer(const State &glState,
+                                          bool isCallValid,
+                                          GLint size,
+                                          GLenum type,
+                                          GLsizei stride,
+                                          const void *pointer,
+                                          angle::ParamCapture *paramCapture);
+void CaptureWindowPos2dv_v(const State &glState,
+                           bool isCallValid,
+                           const GLdouble *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureWindowPos2fv_v(const State &glState,
+                           bool isCallValid,
+                           const GLfloat *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureWindowPos2iv_v(const State &glState,
+                           bool isCallValid,
+                           const GLint *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureWindowPos2sv_v(const State &glState,
+                           bool isCallValid,
+                           const GLshort *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureWindowPos3dv_v(const State &glState,
+                           bool isCallValid,
+                           const GLdouble *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureWindowPos3fv_v(const State &glState,
+                           bool isCallValid,
+                           const GLfloat *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureWindowPos3iv_v(const State &glState,
+                           bool isCallValid,
+                           const GLint *v,
+                           angle::ParamCapture *paramCapture);
+void CaptureWindowPos3sv_v(const State &glState,
+                           bool isCallValid,
+                           const GLshort *v,
+                           angle::ParamCapture *paramCapture);
+
+// GL 1.5
+void CaptureGetBufferSubData_data(const State &glState,
+                                  bool isCallValid,
+                                  GLenum target,
+                                  GLintptr offset,
+                                  GLsizeiptr size,
+                                  void *data,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectiv_params(const State &glState,
+                                    bool isCallValid,
+                                    QueryID idPacked,
+                                    GLenum pname,
+                                    GLint *params,
+                                    angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GL_1_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gl_2_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_2_autogen.h
new file mode 100644
index 0000000000..5ab30a6b9a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_2_autogen.h
@@ -0,0 +1,266 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gl_2_autogen.h:
+//   Capture functions for the OpenGL ES Desktop GL 2.x entry points.
+
+#ifndef LIBANGLE_CAPTURE_GL_2_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GL_2_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+// GL 2.0
+angle::CallCapture CaptureGetVertexAttribdv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLdouble *params);
+angle::CallCapture CaptureVertexAttrib1d(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLdouble x);
+angle::CallCapture CaptureVertexAttrib1dv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLdouble *v);
+angle::CallCapture CaptureVertexAttrib1s(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLshort x);
+angle::CallCapture CaptureVertexAttrib1sv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLshort *v);
+angle::CallCapture CaptureVertexAttrib2d(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLdouble x,
+                                         GLdouble y);
+angle::CallCapture CaptureVertexAttrib2dv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLdouble *v);
+angle::CallCapture CaptureVertexAttrib2s(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLshort x,
+                                         GLshort y);
+angle::CallCapture CaptureVertexAttrib2sv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLshort *v);
+angle::CallCapture CaptureVertexAttrib3d(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLdouble x,
+                                         GLdouble y,
+                                         GLdouble z);
+angle::CallCapture CaptureVertexAttrib3dv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLdouble *v);
+angle::CallCapture CaptureVertexAttrib3s(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLshort x,
+                                         GLshort y,
+                                         GLshort z);
+angle::CallCapture CaptureVertexAttrib3sv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLshort *v);
+angle::CallCapture CaptureVertexAttrib4Nbv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLbyte *v);
+angle::CallCapture CaptureVertexAttrib4Niv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLint *v);
+angle::CallCapture CaptureVertexAttrib4Nsv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLshort *v);
+angle::CallCapture CaptureVertexAttrib4Nub(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLubyte x,
+                                           GLubyte y,
+                                           GLubyte z,
+                                           GLubyte w);
+angle::CallCapture CaptureVertexAttrib4Nubv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLubyte *v);
+angle::CallCapture CaptureVertexAttrib4Nuiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLuint *v);
+angle::CallCapture CaptureVertexAttrib4Nusv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLushort *v);
+angle::CallCapture CaptureVertexAttrib4bv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLbyte *v);
+angle::CallCapture CaptureVertexAttrib4d(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLdouble x,
+                                         GLdouble y,
+                                         GLdouble z,
+                                         GLdouble w);
+angle::CallCapture CaptureVertexAttrib4dv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLdouble *v);
+angle::CallCapture CaptureVertexAttrib4iv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLint *v);
+angle::CallCapture CaptureVertexAttrib4s(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLshort x,
+                                         GLshort y,
+                                         GLshort z,
+                                         GLshort w);
+angle::CallCapture CaptureVertexAttrib4sv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLshort *v);
+angle::CallCapture CaptureVertexAttrib4ubv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLubyte *v);
+angle::CallCapture CaptureVertexAttrib4uiv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLuint *v);
+angle::CallCapture CaptureVertexAttrib4usv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLushort *v);
+
+// GL 2.1
+
+// Parameter Captures
+
+// GL 2.0
+void CaptureGetVertexAttribdv_params(const State &glState,
+                                     bool isCallValid,
+                                     GLuint index,
+                                     GLenum pname,
+                                     GLdouble *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib1dv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLdouble *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib1sv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLshort *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib2dv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLdouble *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib2sv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLshort *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib3dv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLdouble *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib3sv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLshort *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4Nbv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLbyte *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4Niv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4Nsv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLshort *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4Nubv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLubyte *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4Nuiv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLuint *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4Nusv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLushort *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4bv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLbyte *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4dv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLdouble *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4iv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLint *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4sv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLshort *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4ubv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLubyte *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4uiv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLuint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4usv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLushort *v,
+                               angle::ParamCapture *paramCapture);
+
+// GL 2.1
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GL_2_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gl_3_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_3_autogen.h
new file mode 100644
index 0000000000..b365fbec7c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_3_autogen.h
@@ -0,0 +1,609 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gl_3_autogen.h:
+//   Capture functions for the OpenGL ES Desktop GL 3.x entry points.
+
+#ifndef LIBANGLE_CAPTURE_GL_3_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GL_3_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+// GL 3.0
+angle::CallCapture CaptureBeginConditionalRender(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint id,
+                                                 GLenum mode);
+angle::CallCapture CaptureBindFragDataLocation(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               GLuint color,
+                                               const GLchar *name);
+angle::CallCapture CaptureClampColor(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLenum clamp);
+angle::CallCapture CaptureEndConditionalRender(const State &glState, bool isCallValid);
+angle::CallCapture CaptureFramebufferTexture1D(const State &glState,
+                                               bool isCallValid,
+                                               GLenum target,
+                                               GLenum attachment,
+                                               TextureTarget textargetPacked,
+                                               TextureID texturePacked,
+                                               GLint level);
+angle::CallCapture CaptureFramebufferTexture3D(const State &glState,
+                                               bool isCallValid,
+                                               GLenum target,
+                                               GLenum attachment,
+                                               TextureTarget textargetPacked,
+                                               TextureID texturePacked,
+                                               GLint level,
+                                               GLint zoffset);
+angle::CallCapture CaptureVertexAttribI1i(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLint x);
+angle::CallCapture CaptureVertexAttribI1iv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLint *v);
+angle::CallCapture CaptureVertexAttribI1ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLuint x);
+angle::CallCapture CaptureVertexAttribI1uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLuint *v);
+angle::CallCapture CaptureVertexAttribI2i(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLint x,
+                                          GLint y);
+angle::CallCapture CaptureVertexAttribI2iv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLint *v);
+angle::CallCapture CaptureVertexAttribI2ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLuint x,
+                                           GLuint y);
+angle::CallCapture CaptureVertexAttribI2uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLuint *v);
+angle::CallCapture CaptureVertexAttribI3i(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLint x,
+                                          GLint y,
+                                          GLint z);
+angle::CallCapture CaptureVertexAttribI3iv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLint *v);
+angle::CallCapture CaptureVertexAttribI3ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLuint x,
+                                           GLuint y,
+                                           GLuint z);
+angle::CallCapture CaptureVertexAttribI3uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLuint *v);
+angle::CallCapture CaptureVertexAttribI4bv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLbyte *v);
+angle::CallCapture CaptureVertexAttribI4sv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLshort *v);
+angle::CallCapture CaptureVertexAttribI4ubv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLubyte *v);
+angle::CallCapture CaptureVertexAttribI4usv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLushort *v);
+
+// GL 3.1
+angle::CallCapture CaptureGetActiveUniformName(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               GLuint uniformIndex,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLchar *uniformName);
+angle::CallCapture CapturePrimitiveRestartIndex(const State &glState,
+                                                bool isCallValid,
+                                                GLuint index);
+
+// GL 3.2
+angle::CallCapture CaptureMultiDrawElementsBaseVertex(const State &glState,
+                                                      bool isCallValid,
+                                                      PrimitiveMode modePacked,
+                                                      const GLsizei *count,
+                                                      DrawElementsType typePacked,
+                                                      const void *const *indices,
+                                                      GLsizei drawcount,
+                                                      const GLint *basevertex);
+angle::CallCapture CaptureProvokingVertex(const State &glState,
+                                          bool isCallValid,
+                                          ProvokingVertexConvention modePacked);
+angle::CallCapture CaptureTexImage2DMultisample(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLsizei samples,
+                                                GLenum internalformat,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLboolean fixedsamplelocations);
+angle::CallCapture CaptureTexImage3DMultisample(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLsizei samples,
+                                                GLenum internalformat,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth,
+                                                GLboolean fixedsamplelocations);
+
+// GL 3.3
+angle::CallCapture CaptureBindFragDataLocationIndexed(const State &glState,
+                                                      bool isCallValid,
+                                                      ShaderProgramID programPacked,
+                                                      GLuint colorNumber,
+                                                      GLuint index,
+                                                      const GLchar *name);
+angle::CallCapture CaptureColorP3ui(const State &glState,
+                                    bool isCallValid,
+                                    GLenum type,
+                                    GLuint color);
+angle::CallCapture CaptureColorP3uiv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum type,
+                                     const GLuint *color);
+angle::CallCapture CaptureColorP4ui(const State &glState,
+                                    bool isCallValid,
+                                    GLenum type,
+                                    GLuint color);
+angle::CallCapture CaptureColorP4uiv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum type,
+                                     const GLuint *color);
+angle::CallCapture CaptureGetFragDataIndex(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           const GLchar *name,
+                                           GLint returnValue);
+angle::CallCapture CaptureGetQueryObjecti64v(const State &glState,
+                                             bool isCallValid,
+                                             QueryID idPacked,
+                                             GLenum pname,
+                                             GLint64 *params);
+angle::CallCapture CaptureGetQueryObjectui64v(const State &glState,
+                                              bool isCallValid,
+                                              QueryID idPacked,
+                                              GLenum pname,
+                                              GLuint64 *params);
+angle::CallCapture CaptureMultiTexCoordP1ui(const State &glState,
+                                            bool isCallValid,
+                                            GLenum texture,
+                                            GLenum type,
+                                            GLuint coords);
+angle::CallCapture CaptureMultiTexCoordP1uiv(const State &glState,
+                                             bool isCallValid,
+                                             GLenum texture,
+                                             GLenum type,
+                                             const GLuint *coords);
+angle::CallCapture CaptureMultiTexCoordP2ui(const State &glState,
+                                            bool isCallValid,
+                                            GLenum texture,
+                                            GLenum type,
+                                            GLuint coords);
+angle::CallCapture CaptureMultiTexCoordP2uiv(const State &glState,
+                                             bool isCallValid,
+                                             GLenum texture,
+                                             GLenum type,
+                                             const GLuint *coords);
+angle::CallCapture CaptureMultiTexCoordP3ui(const State &glState,
+                                            bool isCallValid,
+                                            GLenum texture,
+                                            GLenum type,
+                                            GLuint coords);
+angle::CallCapture CaptureMultiTexCoordP3uiv(const State &glState,
+                                             bool isCallValid,
+                                             GLenum texture,
+                                             GLenum type,
+                                             const GLuint *coords);
+angle::CallCapture CaptureMultiTexCoordP4ui(const State &glState,
+                                            bool isCallValid,
+                                            GLenum texture,
+                                            GLenum type,
+                                            GLuint coords);
+angle::CallCapture CaptureMultiTexCoordP4uiv(const State &glState,
+                                             bool isCallValid,
+                                             GLenum texture,
+                                             GLenum type,
+                                             const GLuint *coords);
+angle::CallCapture CaptureNormalP3ui(const State &glState,
+                                     bool isCallValid,
+                                     GLenum type,
+                                     GLuint coords);
+angle::CallCapture CaptureNormalP3uiv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum type,
+                                      const GLuint *coords);
+angle::CallCapture CaptureQueryCounter(const State &glState,
+                                       bool isCallValid,
+                                       QueryID idPacked,
+                                       QueryType targetPacked);
+angle::CallCapture CaptureSecondaryColorP3ui(const State &glState,
+                                             bool isCallValid,
+                                             GLenum type,
+                                             GLuint color);
+angle::CallCapture CaptureSecondaryColorP3uiv(const State &glState,
+                                              bool isCallValid,
+                                              GLenum type,
+                                              const GLuint *color);
+angle::CallCapture CaptureTexCoordP1ui(const State &glState,
+                                       bool isCallValid,
+                                       GLenum type,
+                                       GLuint coords);
+angle::CallCapture CaptureTexCoordP1uiv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum type,
+                                        const GLuint *coords);
+angle::CallCapture CaptureTexCoordP2ui(const State &glState,
+                                       bool isCallValid,
+                                       GLenum type,
+                                       GLuint coords);
+angle::CallCapture CaptureTexCoordP2uiv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum type,
+                                        const GLuint *coords);
+angle::CallCapture CaptureTexCoordP3ui(const State &glState,
+                                       bool isCallValid,
+                                       GLenum type,
+                                       GLuint coords);
+angle::CallCapture CaptureTexCoordP3uiv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum type,
+                                        const GLuint *coords);
+angle::CallCapture CaptureTexCoordP4ui(const State &glState,
+                                       bool isCallValid,
+                                       GLenum type,
+                                       GLuint coords);
+angle::CallCapture CaptureTexCoordP4uiv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum type,
+                                        const GLuint *coords);
+angle::CallCapture CaptureVertexAttribP1ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLenum type,
+                                           GLboolean normalized,
+                                           GLuint value);
+angle::CallCapture CaptureVertexAttribP1uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum type,
+                                            GLboolean normalized,
+                                            const GLuint *value);
+angle::CallCapture CaptureVertexAttribP2ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLenum type,
+                                           GLboolean normalized,
+                                           GLuint value);
+angle::CallCapture CaptureVertexAttribP2uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum type,
+                                            GLboolean normalized,
+                                            const GLuint *value);
+angle::CallCapture CaptureVertexAttribP3ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLenum type,
+                                           GLboolean normalized,
+                                           GLuint value);
+angle::CallCapture CaptureVertexAttribP3uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum type,
+                                            GLboolean normalized,
+                                            const GLuint *value);
+angle::CallCapture CaptureVertexAttribP4ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLenum type,
+                                           GLboolean normalized,
+                                           GLuint value);
+angle::CallCapture CaptureVertexAttribP4uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum type,
+                                            GLboolean normalized,
+                                            const GLuint *value);
+angle::CallCapture CaptureVertexP2ui(const State &glState,
+                                     bool isCallValid,
+                                     GLenum type,
+                                     GLuint value);
+angle::CallCapture CaptureVertexP2uiv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum type,
+                                      const GLuint *value);
+angle::CallCapture CaptureVertexP3ui(const State &glState,
+                                     bool isCallValid,
+                                     GLenum type,
+                                     GLuint value);
+angle::CallCapture CaptureVertexP3uiv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum type,
+                                      const GLuint *value);
+angle::CallCapture CaptureVertexP4ui(const State &glState,
+                                     bool isCallValid,
+                                     GLenum type,
+                                     GLuint value);
+angle::CallCapture CaptureVertexP4uiv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum type,
+                                      const GLuint *value);
+
+// Parameter Captures
+
+// GL 3.0
+void CaptureBindFragDataLocation_name(const State &glState,
+                                      bool isCallValid,
+                                      ShaderProgramID programPacked,
+                                      GLuint color,
+                                      const GLchar *name,
+                                      angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI1iv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI1uiv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLuint *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI2iv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI2uiv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLuint *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI3iv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI3uiv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLuint *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI4bv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLbyte *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI4sv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLshort *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI4ubv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLubyte *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI4usv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLushort *v,
+                                angle::ParamCapture *paramCapture);
+
+// GL 3.1
+void CaptureGetActiveUniformName_length(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        GLuint uniformIndex,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLchar *uniformName,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformName_uniformName(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLuint uniformIndex,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLchar *uniformName,
+                                             angle::ParamCapture *paramCapture);
+
+// GL 3.2
+void CaptureMultiDrawElementsBaseVertex_count(const State &glState,
+                                              bool isCallValid,
+                                              PrimitiveMode modePacked,
+                                              const GLsizei *count,
+                                              DrawElementsType typePacked,
+                                              const void *const *indices,
+                                              GLsizei drawcount,
+                                              const GLint *basevertex,
+                                              angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsBaseVertex_indices(const State &glState,
+                                                bool isCallValid,
+                                                PrimitiveMode modePacked,
+                                                const GLsizei *count,
+                                                DrawElementsType typePacked,
+                                                const void *const *indices,
+                                                GLsizei drawcount,
+                                                const GLint *basevertex,
+                                                angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsBaseVertex_basevertex(const State &glState,
+                                                   bool isCallValid,
+                                                   PrimitiveMode modePacked,
+                                                   const GLsizei *count,
+                                                   DrawElementsType typePacked,
+                                                   const void *const *indices,
+                                                   GLsizei drawcount,
+                                                   const GLint *basevertex,
+                                                   angle::ParamCapture *paramCapture);
+
+// GL 3.3
+void CaptureBindFragDataLocationIndexed_name(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLuint colorNumber,
+                                             GLuint index,
+                                             const GLchar *name,
+                                             angle::ParamCapture *paramCapture);
+void CaptureColorP3uiv_color(const State &glState,
+                             bool isCallValid,
+                             GLenum type,
+                             const GLuint *color,
+                             angle::ParamCapture *paramCapture);
+void CaptureColorP4uiv_color(const State &glState,
+                             bool isCallValid,
+                             GLenum type,
+                             const GLuint *color,
+                             angle::ParamCapture *paramCapture);
+void CaptureGetFragDataIndex_name(const State &glState,
+                                  bool isCallValid,
+                                  ShaderProgramID programPacked,
+                                  const GLchar *name,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjecti64v_params(const State &glState,
+                                      bool isCallValid,
+                                      QueryID idPacked,
+                                      GLenum pname,
+                                      GLint64 *params,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectui64v_params(const State &glState,
+                                       bool isCallValid,
+                                       QueryID idPacked,
+                                       GLenum pname,
+                                       GLuint64 *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoordP1uiv_coords(const State &glState,
+                                      bool isCallValid,
+                                      GLenum texture,
+                                      GLenum type,
+                                      const GLuint *coords,
+                                      angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoordP2uiv_coords(const State &glState,
+                                      bool isCallValid,
+                                      GLenum texture,
+                                      GLenum type,
+                                      const GLuint *coords,
+                                      angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoordP3uiv_coords(const State &glState,
+                                      bool isCallValid,
+                                      GLenum texture,
+                                      GLenum type,
+                                      const GLuint *coords,
+                                      angle::ParamCapture *paramCapture);
+void CaptureMultiTexCoordP4uiv_coords(const State &glState,
+                                      bool isCallValid,
+                                      GLenum texture,
+                                      GLenum type,
+                                      const GLuint *coords,
+                                      angle::ParamCapture *paramCapture);
+void CaptureNormalP3uiv_coords(const State &glState,
+                               bool isCallValid,
+                               GLenum type,
+                               const GLuint *coords,
+                               angle::ParamCapture *paramCapture);
+void CaptureSecondaryColorP3uiv_color(const State &glState,
+                                      bool isCallValid,
+                                      GLenum type,
+                                      const GLuint *color,
+                                      angle::ParamCapture *paramCapture);
+void CaptureTexCoordP1uiv_coords(const State &glState,
+                                 bool isCallValid,
+                                 GLenum type,
+                                 const GLuint *coords,
+                                 angle::ParamCapture *paramCapture);
+void CaptureTexCoordP2uiv_coords(const State &glState,
+                                 bool isCallValid,
+                                 GLenum type,
+                                 const GLuint *coords,
+                                 angle::ParamCapture *paramCapture);
+void CaptureTexCoordP3uiv_coords(const State &glState,
+                                 bool isCallValid,
+                                 GLenum type,
+                                 const GLuint *coords,
+                                 angle::ParamCapture *paramCapture);
+void CaptureTexCoordP4uiv_coords(const State &glState,
+                                 bool isCallValid,
+                                 GLenum type,
+                                 const GLuint *coords,
+                                 angle::ParamCapture *paramCapture);
+void CaptureVertexAttribP1uiv_value(const State &glState,
+                                    bool isCallValid,
+                                    GLuint index,
+                                    GLenum type,
+                                    GLboolean normalized,
+                                    const GLuint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureVertexAttribP2uiv_value(const State &glState,
+                                    bool isCallValid,
+                                    GLuint index,
+                                    GLenum type,
+                                    GLboolean normalized,
+                                    const GLuint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureVertexAttribP3uiv_value(const State &glState,
+                                    bool isCallValid,
+                                    GLuint index,
+                                    GLenum type,
+                                    GLboolean normalized,
+                                    const GLuint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureVertexAttribP4uiv_value(const State &glState,
+                                    bool isCallValid,
+                                    GLuint index,
+                                    GLenum type,
+                                    GLboolean normalized,
+                                    const GLuint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureVertexP2uiv_value(const State &glState,
+                              bool isCallValid,
+                              GLenum type,
+                              const GLuint *value,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexP3uiv_value(const State &glState,
+                              bool isCallValid,
+                              GLenum type,
+                              const GLuint *value,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexP4uiv_value(const State &glState,
+                              bool isCallValid,
+                              GLenum type,
+                              const GLuint *value,
+                              angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GL_3_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gl_4_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_4_autogen.h
new file mode 100644
index 0000000000..495bf4cb7f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gl_4_autogen.h
@@ -0,0 +1,2524 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gl_4_autogen.h:
+//   Capture functions for the OpenGL ES Desktop GL 4.x entry points.
+
+#ifndef LIBANGLE_CAPTURE_GL_4_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GL_4_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+// GL 4.0
+angle::CallCapture CaptureBeginQueryIndexed(const State &glState,
+                                            bool isCallValid,
+                                            GLenum target,
+                                            GLuint index,
+                                            QueryID idPacked);
+angle::CallCapture CaptureDrawTransformFeedback(const State &glState,
+                                                bool isCallValid,
+                                                GLenum mode,
+                                                TransformFeedbackID idPacked);
+angle::CallCapture CaptureDrawTransformFeedbackStream(const State &glState,
+                                                      bool isCallValid,
+                                                      GLenum mode,
+                                                      TransformFeedbackID idPacked,
+                                                      GLuint stream);
+angle::CallCapture CaptureEndQueryIndexed(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLuint index);
+angle::CallCapture CaptureGetActiveSubroutineName(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  GLenum shadertype,
+                                                  GLuint index,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLchar *name);
+angle::CallCapture CaptureGetActiveSubroutineUniformName(const State &glState,
+                                                         bool isCallValid,
+                                                         ShaderProgramID programPacked,
+                                                         GLenum shadertype,
+                                                         GLuint index,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLchar *name);
+angle::CallCapture CaptureGetActiveSubroutineUniformiv(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       GLenum shadertype,
+                                                       GLuint index,
+                                                       GLenum pname,
+                                                       GLint *values);
+angle::CallCapture CaptureGetProgramStageiv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            GLenum shadertype,
+                                            GLenum pname,
+                                            GLint *values);
+angle::CallCapture CaptureGetQueryIndexediv(const State &glState,
+                                            bool isCallValid,
+                                            GLenum target,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLint *params);
+angle::CallCapture CaptureGetSubroutineIndex(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLenum shadertype,
+                                             const GLchar *name,
+                                             GLuint returnValue);
+angle::CallCapture CaptureGetSubroutineUniformLocation(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       GLenum shadertype,
+                                                       const GLchar *name,
+                                                       GLint returnValue);
+angle::CallCapture CaptureGetUniformSubroutineuiv(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum shadertype,
+                                                  GLint location,
+                                                  GLuint *params);
+angle::CallCapture CaptureGetUniformdv(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLdouble *params);
+angle::CallCapture CapturePatchParameterfv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum pname,
+                                           const GLfloat *values);
+angle::CallCapture CaptureUniform1d(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLdouble x);
+angle::CallCapture CaptureUniform1dv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLdouble *value);
+angle::CallCapture CaptureUniform2d(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLdouble x,
+                                    GLdouble y);
+angle::CallCapture CaptureUniform2dv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLdouble *value);
+angle::CallCapture CaptureUniform3d(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLdouble x,
+                                    GLdouble y,
+                                    GLdouble z);
+angle::CallCapture CaptureUniform3dv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLdouble *value);
+angle::CallCapture CaptureUniform4d(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLdouble x,
+                                    GLdouble y,
+                                    GLdouble z,
+                                    GLdouble w);
+angle::CallCapture CaptureUniform4dv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix2dv(const State &glState,
+                                           bool isCallValid,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix2x3dv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix2x4dv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix3dv(const State &glState,
+                                           bool isCallValid,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix3x2dv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix3x4dv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix4dv(const State &glState,
+                                           bool isCallValid,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix4x2dv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLdouble *value);
+angle::CallCapture CaptureUniformMatrix4x3dv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLdouble *value);
+angle::CallCapture CaptureUniformSubroutinesuiv(const State &glState,
+                                                bool isCallValid,
+                                                GLenum shadertype,
+                                                GLsizei count,
+                                                const GLuint *indices);
+
+// GL 4.1
+angle::CallCapture CaptureDepthRangeArrayv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint first,
+                                           GLsizei count,
+                                           const GLdouble *v);
+angle::CallCapture CaptureDepthRangeIndexed(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLdouble n,
+                                            GLdouble f);
+angle::CallCapture CaptureGetDoublei_v(const State &glState,
+                                       bool isCallValid,
+                                       GLenum target,
+                                       GLuint index,
+                                       GLdouble *data);
+angle::CallCapture CaptureGetFloati_v(const State &glState,
+                                      bool isCallValid,
+                                      GLenum target,
+                                      GLuint index,
+                                      GLfloat *data);
+angle::CallCapture CaptureGetVertexAttribLdv(const State &glState,
+                                             bool isCallValid,
+                                             GLuint index,
+                                             GLenum pname,
+                                             GLdouble *params);
+angle::CallCapture CaptureProgramUniform1d(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLdouble v0);
+angle::CallCapture CaptureProgramUniform1dv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLdouble *value);
+angle::CallCapture CaptureProgramUniform2d(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLdouble v0,
+                                           GLdouble v1);
+angle::CallCapture CaptureProgramUniform2dv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLdouble *value);
+angle::CallCapture CaptureProgramUniform3d(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLdouble v0,
+                                           GLdouble v1,
+                                           GLdouble v2);
+angle::CallCapture CaptureProgramUniform3dv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLdouble *value);
+angle::CallCapture CaptureProgramUniform4d(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLdouble v0,
+                                           GLdouble v1,
+                                           GLdouble v2,
+                                           GLdouble v3);
+angle::CallCapture CaptureProgramUniform4dv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix2dv(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei count,
+                                                  GLboolean transpose,
+                                                  const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix2x3dv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix2x4dv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix3dv(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei count,
+                                                  GLboolean transpose,
+                                                  const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix3x2dv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix3x4dv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix4dv(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei count,
+                                                  GLboolean transpose,
+                                                  const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix4x2dv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLdouble *value);
+angle::CallCapture CaptureProgramUniformMatrix4x3dv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLdouble *value);
+angle::CallCapture CaptureScissorArrayv(const State &glState,
+                                        bool isCallValid,
+                                        GLuint first,
+                                        GLsizei count,
+                                        const GLint *v);
+angle::CallCapture CaptureScissorIndexed(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLint left,
+                                         GLint bottom,
+                                         GLsizei width,
+                                         GLsizei height);
+angle::CallCapture CaptureScissorIndexedv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLint *v);
+angle::CallCapture CaptureVertexAttribL1d(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLdouble x);
+angle::CallCapture CaptureVertexAttribL1dv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLdouble *v);
+angle::CallCapture CaptureVertexAttribL2d(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLdouble x,
+                                          GLdouble y);
+angle::CallCapture CaptureVertexAttribL2dv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLdouble *v);
+angle::CallCapture CaptureVertexAttribL3d(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLdouble x,
+                                          GLdouble y,
+                                          GLdouble z);
+angle::CallCapture CaptureVertexAttribL3dv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLdouble *v);
+angle::CallCapture CaptureVertexAttribL4d(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLdouble x,
+                                          GLdouble y,
+                                          GLdouble z,
+                                          GLdouble w);
+angle::CallCapture CaptureVertexAttribL4dv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLdouble *v);
+angle::CallCapture CaptureVertexAttribLPointer(const State &glState,
+                                               bool isCallValid,
+                                               GLuint index,
+                                               GLint size,
+                                               GLenum type,
+                                               GLsizei stride,
+                                               const void *pointer);
+angle::CallCapture CaptureViewportArrayv(const State &glState,
+                                         bool isCallValid,
+                                         GLuint first,
+                                         GLsizei count,
+                                         const GLfloat *v);
+angle::CallCapture CaptureViewportIndexedf(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLfloat x,
+                                           GLfloat y,
+                                           GLfloat w,
+                                           GLfloat h);
+angle::CallCapture CaptureViewportIndexedfv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLfloat *v);
+
+// GL 4.2
+angle::CallCapture CaptureDrawArraysInstancedBaseInstance(const State &glState,
+                                                          bool isCallValid,
+                                                          PrimitiveMode modePacked,
+                                                          GLint first,
+                                                          GLsizei count,
+                                                          GLsizei instancecount,
+                                                          GLuint baseinstance);
+angle::CallCapture CaptureDrawElementsInstancedBaseInstance(const State &glState,
+                                                            bool isCallValid,
+                                                            PrimitiveMode modePacked,
+                                                            GLsizei count,
+                                                            DrawElementsType typePacked,
+                                                            const void *indices,
+                                                            GLsizei instancecount,
+                                                            GLuint baseinstance);
+angle::CallCapture CaptureDrawElementsInstancedBaseVertexBaseInstance(const State &glState,
+                                                                      bool isCallValid,
+                                                                      PrimitiveMode modePacked,
+                                                                      GLsizei count,
+                                                                      DrawElementsType typePacked,
+                                                                      const void *indices,
+                                                                      GLsizei instancecount,
+                                                                      GLint basevertex,
+                                                                      GLuint baseinstance);
+angle::CallCapture CaptureDrawTransformFeedbackInstanced(const State &glState,
+                                                         bool isCallValid,
+                                                         GLenum mode,
+                                                         TransformFeedbackID idPacked,
+                                                         GLsizei instancecount);
+angle::CallCapture CaptureDrawTransformFeedbackStreamInstanced(const State &glState,
+                                                               bool isCallValid,
+                                                               GLenum mode,
+                                                               TransformFeedbackID idPacked,
+                                                               GLuint stream,
+                                                               GLsizei instancecount);
+angle::CallCapture CaptureGetActiveAtomicCounterBufferiv(const State &glState,
+                                                         bool isCallValid,
+                                                         ShaderProgramID programPacked,
+                                                         GLuint bufferIndex,
+                                                         GLenum pname,
+                                                         GLint *params);
+angle::CallCapture CaptureTexStorage1D(const State &glState,
+                                       bool isCallValid,
+                                       GLenum target,
+                                       GLsizei levels,
+                                       GLenum internalformat,
+                                       GLsizei width);
+
+// GL 4.3
+angle::CallCapture CaptureClearBufferData(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLenum internalformat,
+                                          GLenum format,
+                                          GLenum type,
+                                          const void *data);
+angle::CallCapture CaptureClearBufferSubData(const State &glState,
+                                             bool isCallValid,
+                                             GLenum target,
+                                             GLenum internalformat,
+                                             GLintptr offset,
+                                             GLsizeiptr size,
+                                             GLenum format,
+                                             GLenum type,
+                                             const void *data);
+angle::CallCapture CaptureGetInternalformati64v(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLenum internalformat,
+                                                GLenum pname,
+                                                GLsizei count,
+                                                GLint64 *params);
+angle::CallCapture CaptureGetProgramResourceLocationIndex(const State &glState,
+                                                          bool isCallValid,
+                                                          ShaderProgramID programPacked,
+                                                          GLenum programInterface,
+                                                          const GLchar *name,
+                                                          GLint returnValue);
+angle::CallCapture CaptureInvalidateBufferData(const State &glState,
+                                               bool isCallValid,
+                                               BufferID bufferPacked);
+angle::CallCapture CaptureInvalidateBufferSubData(const State &glState,
+                                                  bool isCallValid,
+                                                  BufferID bufferPacked,
+                                                  GLintptr offset,
+                                                  GLsizeiptr length);
+angle::CallCapture CaptureInvalidateTexImage(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLint level);
+angle::CallCapture CaptureInvalidateTexSubImage(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLint zoffset,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth);
+angle::CallCapture CaptureMultiDrawArraysIndirect(const State &glState,
+                                                  bool isCallValid,
+                                                  PrimitiveMode modePacked,
+                                                  const void *indirect,
+                                                  GLsizei drawcount,
+                                                  GLsizei stride);
+angle::CallCapture CaptureMultiDrawElementsIndirect(const State &glState,
+                                                    bool isCallValid,
+                                                    PrimitiveMode modePacked,
+                                                    DrawElementsType typePacked,
+                                                    const void *indirect,
+                                                    GLsizei drawcount,
+                                                    GLsizei stride);
+angle::CallCapture CaptureShaderStorageBlockBinding(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    GLuint storageBlockIndex,
+                                                    GLuint storageBlockBinding);
+angle::CallCapture CaptureTextureView(const State &glState,
+                                      bool isCallValid,
+                                      TextureID texturePacked,
+                                      GLenum target,
+                                      GLuint origtexture,
+                                      GLenum internalformat,
+                                      GLuint minlevel,
+                                      GLuint numlevels,
+                                      GLuint minlayer,
+                                      GLuint numlayers);
+angle::CallCapture CaptureVertexAttribLFormat(const State &glState,
+                                              bool isCallValid,
+                                              GLuint attribindex,
+                                              GLint size,
+                                              GLenum type,
+                                              GLuint relativeoffset);
+
+// GL 4.4
+angle::CallCapture CaptureBindBuffersBase(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLuint first,
+                                          GLsizei count,
+                                          const BufferID *buffersPacked);
+angle::CallCapture CaptureBindBuffersRange(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           GLuint first,
+                                           GLsizei count,
+                                           const BufferID *buffersPacked,
+                                           const GLintptr *offsets,
+                                           const GLsizeiptr *sizes);
+angle::CallCapture CaptureBindImageTextures(const State &glState,
+                                            bool isCallValid,
+                                            GLuint first,
+                                            GLsizei count,
+                                            const GLuint *textures);
+angle::CallCapture CaptureBindSamplers(const State &glState,
+                                       bool isCallValid,
+                                       GLuint first,
+                                       GLsizei count,
+                                       const GLuint *samplers);
+angle::CallCapture CaptureBindTextures(const State &glState,
+                                       bool isCallValid,
+                                       GLuint first,
+                                       GLsizei count,
+                                       const GLuint *textures);
+angle::CallCapture CaptureBindVertexBuffers(const State &glState,
+                                            bool isCallValid,
+                                            GLuint first,
+                                            GLsizei count,
+                                            const BufferID *buffersPacked,
+                                            const GLintptr *offsets,
+                                            const GLsizei *strides);
+angle::CallCapture CaptureBufferStorage(const State &glState,
+                                        bool isCallValid,
+                                        BufferBinding targetPacked,
+                                        GLsizeiptr size,
+                                        const void *data,
+                                        GLbitfield flags);
+angle::CallCapture CaptureClearTexImage(const State &glState,
+                                        bool isCallValid,
+                                        TextureID texturePacked,
+                                        GLint level,
+                                        GLenum format,
+                                        GLenum type,
+                                        const void *data);
+angle::CallCapture CaptureClearTexSubImage(const State &glState,
+                                           bool isCallValid,
+                                           TextureID texturePacked,
+                                           GLint level,
+                                           GLint xoffset,
+                                           GLint yoffset,
+                                           GLint zoffset,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           GLenum format,
+                                           GLenum type,
+                                           const void *data);
+
+// GL 4.5
+angle::CallCapture CaptureBindTextureUnit(const State &glState,
+                                          bool isCallValid,
+                                          GLuint unit,
+                                          TextureID texturePacked);
+angle::CallCapture CaptureBlitNamedFramebuffer(const State &glState,
+                                               bool isCallValid,
+                                               GLuint readFramebuffer,
+                                               GLuint drawFramebuffer,
+                                               GLint srcX0,
+                                               GLint srcY0,
+                                               GLint srcX1,
+                                               GLint srcY1,
+                                               GLint dstX0,
+                                               GLint dstY0,
+                                               GLint dstX1,
+                                               GLint dstY1,
+                                               GLbitfield mask,
+                                               GLenum filter);
+angle::CallCapture CaptureCheckNamedFramebufferStatus(const State &glState,
+                                                      bool isCallValid,
+                                                      FramebufferID framebufferPacked,
+                                                      GLenum target,
+                                                      GLenum returnValue);
+angle::CallCapture CaptureClearNamedBufferData(const State &glState,
+                                               bool isCallValid,
+                                               BufferID bufferPacked,
+                                               GLenum internalformat,
+                                               GLenum format,
+                                               GLenum type,
+                                               const void *data);
+angle::CallCapture CaptureClearNamedBufferSubData(const State &glState,
+                                                  bool isCallValid,
+                                                  BufferID bufferPacked,
+                                                  GLenum internalformat,
+                                                  GLintptr offset,
+                                                  GLsizeiptr size,
+                                                  GLenum format,
+                                                  GLenum type,
+                                                  const void *data);
+angle::CallCapture CaptureClearNamedFramebufferfi(const State &glState,
+                                                  bool isCallValid,
+                                                  FramebufferID framebufferPacked,
+                                                  GLenum buffer,
+                                                  GLint drawbuffer,
+                                                  GLfloat depth,
+                                                  GLint stencil);
+angle::CallCapture CaptureClearNamedFramebufferfv(const State &glState,
+                                                  bool isCallValid,
+                                                  FramebufferID framebufferPacked,
+                                                  GLenum buffer,
+                                                  GLint drawbuffer,
+                                                  const GLfloat *value);
+angle::CallCapture CaptureClearNamedFramebufferiv(const State &glState,
+                                                  bool isCallValid,
+                                                  FramebufferID framebufferPacked,
+                                                  GLenum buffer,
+                                                  GLint drawbuffer,
+                                                  const GLint *value);
+angle::CallCapture CaptureClearNamedFramebufferuiv(const State &glState,
+                                                   bool isCallValid,
+                                                   FramebufferID framebufferPacked,
+                                                   GLenum buffer,
+                                                   GLint drawbuffer,
+                                                   const GLuint *value);
+angle::CallCapture CaptureClipControl(const State &glState,
+                                      bool isCallValid,
+                                      GLenum origin,
+                                      GLenum depth);
+angle::CallCapture CaptureCompressedTextureSubImage1D(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureID texturePacked,
+                                                      GLint level,
+                                                      GLint xoffset,
+                                                      GLsizei width,
+                                                      GLenum format,
+                                                      GLsizei imageSize,
+                                                      const void *data);
+angle::CallCapture CaptureCompressedTextureSubImage2D(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureID texturePacked,
+                                                      GLint level,
+                                                      GLint xoffset,
+                                                      GLint yoffset,
+                                                      GLsizei width,
+                                                      GLsizei height,
+                                                      GLenum format,
+                                                      GLsizei imageSize,
+                                                      const void *data);
+angle::CallCapture CaptureCompressedTextureSubImage3D(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureID texturePacked,
+                                                      GLint level,
+                                                      GLint xoffset,
+                                                      GLint yoffset,
+                                                      GLint zoffset,
+                                                      GLsizei width,
+                                                      GLsizei height,
+                                                      GLsizei depth,
+                                                      GLenum format,
+                                                      GLsizei imageSize,
+                                                      const void *data);
+angle::CallCapture CaptureCopyNamedBufferSubData(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint readBuffer,
+                                                 GLuint writeBuffer,
+                                                 GLintptr readOffset,
+                                                 GLintptr writeOffset,
+                                                 GLsizeiptr size);
+angle::CallCapture CaptureCopyTextureSubImage1D(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint x,
+                                                GLint y,
+                                                GLsizei width);
+angle::CallCapture CaptureCopyTextureSubImage2D(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLint x,
+                                                GLint y,
+                                                GLsizei width,
+                                                GLsizei height);
+angle::CallCapture CaptureCopyTextureSubImage3D(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLint zoffset,
+                                                GLint x,
+                                                GLint y,
+                                                GLsizei width,
+                                                GLsizei height);
+angle::CallCapture CaptureCreateBuffers(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        BufferID *buffersPacked);
+angle::CallCapture CaptureCreateFramebuffers(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             GLuint *framebuffers);
+angle::CallCapture CaptureCreateProgramPipelines(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 GLuint *pipelines);
+angle::CallCapture CaptureCreateQueries(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLsizei n,
+                                        GLuint *ids);
+angle::CallCapture CaptureCreateRenderbuffers(const State &glState,
+                                              bool isCallValid,
+                                              GLsizei n,
+                                              RenderbufferID *renderbuffersPacked);
+angle::CallCapture CaptureCreateSamplers(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei n,
+                                         GLuint *samplers);
+angle::CallCapture CaptureCreateTextures(const State &glState,
+                                         bool isCallValid,
+                                         GLenum target,
+                                         GLsizei n,
+                                         GLuint *textures);
+angle::CallCapture CaptureCreateTransformFeedbacks(const State &glState,
+                                                   bool isCallValid,
+                                                   GLsizei n,
+                                                   GLuint *ids);
+angle::CallCapture CaptureCreateVertexArrays(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             VertexArrayID *arraysPacked);
+angle::CallCapture CaptureDisableVertexArrayAttrib(const State &glState,
+                                                   bool isCallValid,
+                                                   VertexArrayID vaobjPacked,
+                                                   GLuint index);
+angle::CallCapture CaptureEnableVertexArrayAttrib(const State &glState,
+                                                  bool isCallValid,
+                                                  VertexArrayID vaobjPacked,
+                                                  GLuint index);
+angle::CallCapture CaptureFlushMappedNamedBufferRange(const State &glState,
+                                                      bool isCallValid,
+                                                      BufferID bufferPacked,
+                                                      GLintptr offset,
+                                                      GLsizeiptr length);
+angle::CallCapture CaptureGenerateTextureMipmap(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked);
+angle::CallCapture CaptureGetCompressedTextureImage(const State &glState,
+                                                    bool isCallValid,
+                                                    TextureID texturePacked,
+                                                    GLint level,
+                                                    GLsizei bufSize,
+                                                    void *pixels);
+angle::CallCapture CaptureGetCompressedTextureSubImage(const State &glState,
+                                                       bool isCallValid,
+                                                       TextureID texturePacked,
+                                                       GLint level,
+                                                       GLint xoffset,
+                                                       GLint yoffset,
+                                                       GLint zoffset,
+                                                       GLsizei width,
+                                                       GLsizei height,
+                                                       GLsizei depth,
+                                                       GLsizei bufSize,
+                                                       void *pixels);
+angle::CallCapture CaptureGetNamedBufferParameteri64v(const State &glState,
+                                                      bool isCallValid,
+                                                      BufferID bufferPacked,
+                                                      GLenum pname,
+                                                      GLint64 *params);
+angle::CallCapture CaptureGetNamedBufferParameteriv(const State &glState,
+                                                    bool isCallValid,
+                                                    BufferID bufferPacked,
+                                                    GLenum pname,
+                                                    GLint *params);
+angle::CallCapture CaptureGetNamedBufferPointerv(const State &glState,
+                                                 bool isCallValid,
+                                                 BufferID bufferPacked,
+                                                 GLenum pname,
+                                                 void **params);
+angle::CallCapture CaptureGetNamedBufferSubData(const State &glState,
+                                                bool isCallValid,
+                                                BufferID bufferPacked,
+                                                GLintptr offset,
+                                                GLsizeiptr size,
+                                                void *data);
+angle::CallCapture CaptureGetNamedFramebufferAttachmentParameteriv(const State &glState,
+                                                                   bool isCallValid,
+                                                                   FramebufferID framebufferPacked,
+                                                                   GLenum attachment,
+                                                                   GLenum pname,
+                                                                   GLint *params);
+angle::CallCapture CaptureGetNamedFramebufferParameteriv(const State &glState,
+                                                         bool isCallValid,
+                                                         FramebufferID framebufferPacked,
+                                                         GLenum pname,
+                                                         GLint *param);
+angle::CallCapture CaptureGetNamedRenderbufferParameteriv(const State &glState,
+                                                          bool isCallValid,
+                                                          RenderbufferID renderbufferPacked,
+                                                          GLenum pname,
+                                                          GLint *params);
+angle::CallCapture CaptureGetQueryBufferObjecti64v(const State &glState,
+                                                   bool isCallValid,
+                                                   GLuint id,
+                                                   BufferID bufferPacked,
+                                                   GLenum pname,
+                                                   GLintptr offset);
+angle::CallCapture CaptureGetQueryBufferObjectiv(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint id,
+                                                 BufferID bufferPacked,
+                                                 GLenum pname,
+                                                 GLintptr offset);
+angle::CallCapture CaptureGetQueryBufferObjectui64v(const State &glState,
+                                                    bool isCallValid,
+                                                    GLuint id,
+                                                    BufferID bufferPacked,
+                                                    GLenum pname,
+                                                    GLintptr offset);
+angle::CallCapture CaptureGetQueryBufferObjectuiv(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint id,
+                                                  BufferID bufferPacked,
+                                                  GLenum pname,
+                                                  GLintptr offset);
+angle::CallCapture CaptureGetTextureImage(const State &glState,
+                                          bool isCallValid,
+                                          TextureID texturePacked,
+                                          GLint level,
+                                          GLenum format,
+                                          GLenum type,
+                                          GLsizei bufSize,
+                                          void *pixels);
+angle::CallCapture CaptureGetTextureLevelParameterfv(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureID texturePacked,
+                                                     GLint level,
+                                                     GLenum pname,
+                                                     GLfloat *params);
+angle::CallCapture CaptureGetTextureLevelParameteriv(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureID texturePacked,
+                                                     GLint level,
+                                                     GLenum pname,
+                                                     GLint *params);
+angle::CallCapture CaptureGetTextureParameterIiv(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureID texturePacked,
+                                                 GLenum pname,
+                                                 GLint *params);
+angle::CallCapture CaptureGetTextureParameterIuiv(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureID texturePacked,
+                                                  GLenum pname,
+                                                  GLuint *params);
+angle::CallCapture CaptureGetTextureParameterfv(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked,
+                                                GLenum pname,
+                                                GLfloat *params);
+angle::CallCapture CaptureGetTextureParameteriv(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked,
+                                                GLenum pname,
+                                                GLint *params);
+angle::CallCapture CaptureGetTextureSubImage(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLint level,
+                                             GLint xoffset,
+                                             GLint yoffset,
+                                             GLint zoffset,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLsizei depth,
+                                             GLenum format,
+                                             GLenum type,
+                                             GLsizei bufSize,
+                                             void *pixels);
+angle::CallCapture CaptureGetTransformFeedbacki64_v(const State &glState,
+                                                    bool isCallValid,
+                                                    GLuint xfb,
+                                                    GLenum pname,
+                                                    GLuint index,
+                                                    GLint64 *param);
+angle::CallCapture CaptureGetTransformFeedbacki_v(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint xfb,
+                                                  GLenum pname,
+                                                  GLuint index,
+                                                  GLint *param);
+angle::CallCapture CaptureGetTransformFeedbackiv(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint xfb,
+                                                 GLenum pname,
+                                                 GLint *param);
+angle::CallCapture CaptureGetVertexArrayIndexed64iv(const State &glState,
+                                                    bool isCallValid,
+                                                    VertexArrayID vaobjPacked,
+                                                    GLuint index,
+                                                    GLenum pname,
+                                                    GLint64 *param);
+angle::CallCapture CaptureGetVertexArrayIndexediv(const State &glState,
+                                                  bool isCallValid,
+                                                  VertexArrayID vaobjPacked,
+                                                  GLuint index,
+                                                  GLenum pname,
+                                                  GLint *param);
+angle::CallCapture CaptureGetVertexArrayiv(const State &glState,
+                                           bool isCallValid,
+                                           VertexArrayID vaobjPacked,
+                                           GLenum pname,
+                                           GLint *param);
+angle::CallCapture CaptureGetnColorTable(const State &glState,
+                                         bool isCallValid,
+                                         GLenum target,
+                                         GLenum format,
+                                         GLenum type,
+                                         GLsizei bufSize,
+                                         void *table);
+angle::CallCapture CaptureGetnCompressedTexImage(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum target,
+                                                 GLint lod,
+                                                 GLsizei bufSize,
+                                                 void *pixels);
+angle::CallCapture CaptureGetnConvolutionFilter(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLenum format,
+                                                GLenum type,
+                                                GLsizei bufSize,
+                                                void *image);
+angle::CallCapture CaptureGetnHistogram(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLboolean reset,
+                                        GLenum format,
+                                        GLenum type,
+                                        GLsizei bufSize,
+                                        void *values);
+angle::CallCapture CaptureGetnMapdv(const State &glState,
+                                    bool isCallValid,
+                                    GLenum target,
+                                    GLenum query,
+                                    GLsizei bufSize,
+                                    GLdouble *v);
+angle::CallCapture CaptureGetnMapfv(const State &glState,
+                                    bool isCallValid,
+                                    GLenum target,
+                                    GLenum query,
+                                    GLsizei bufSize,
+                                    GLfloat *v);
+angle::CallCapture CaptureGetnMapiv(const State &glState,
+                                    bool isCallValid,
+                                    GLenum target,
+                                    GLenum query,
+                                    GLsizei bufSize,
+                                    GLint *v);
+angle::CallCapture CaptureGetnMinmax(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLboolean reset,
+                                     GLenum format,
+                                     GLenum type,
+                                     GLsizei bufSize,
+                                     void *values);
+angle::CallCapture CaptureGetnPixelMapfv(const State &glState,
+                                         bool isCallValid,
+                                         GLenum map,
+                                         GLsizei bufSize,
+                                         GLfloat *values);
+angle::CallCapture CaptureGetnPixelMapuiv(const State &glState,
+                                          bool isCallValid,
+                                          GLenum map,
+                                          GLsizei bufSize,
+                                          GLuint *values);
+angle::CallCapture CaptureGetnPixelMapusv(const State &glState,
+                                          bool isCallValid,
+                                          GLenum map,
+                                          GLsizei bufSize,
+                                          GLushort *values);
+angle::CallCapture CaptureGetnPolygonStipple(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei bufSize,
+                                             GLubyte *pattern);
+angle::CallCapture CaptureGetnSeparableFilter(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              GLenum format,
+                                              GLenum type,
+                                              GLsizei rowBufSize,
+                                              void *row,
+                                              GLsizei columnBufSize,
+                                              void *column,
+                                              void *span);
+angle::CallCapture CaptureGetnTexImage(const State &glState,
+                                       bool isCallValid,
+                                       GLenum target,
+                                       GLint level,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei bufSize,
+                                       void *pixels);
+angle::CallCapture CaptureGetnUniformdv(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei bufSize,
+                                        GLdouble *params);
+angle::CallCapture CaptureInvalidateNamedFramebufferData(const State &glState,
+                                                         bool isCallValid,
+                                                         FramebufferID framebufferPacked,
+                                                         GLsizei numAttachments,
+                                                         const GLenum *attachments);
+angle::CallCapture CaptureInvalidateNamedFramebufferSubData(const State &glState,
+                                                            bool isCallValid,
+                                                            FramebufferID framebufferPacked,
+                                                            GLsizei numAttachments,
+                                                            const GLenum *attachments,
+                                                            GLint x,
+                                                            GLint y,
+                                                            GLsizei width,
+                                                            GLsizei height);
+angle::CallCapture CaptureMapNamedBuffer(const State &glState,
+                                         bool isCallValid,
+                                         BufferID bufferPacked,
+                                         GLenum access,
+                                         void *returnValue);
+angle::CallCapture CaptureMapNamedBufferRange(const State &glState,
+                                              bool isCallValid,
+                                              BufferID bufferPacked,
+                                              GLintptr offset,
+                                              GLsizeiptr length,
+                                              GLbitfield access,
+                                              void *returnValue);
+angle::CallCapture CaptureNamedBufferData(const State &glState,
+                                          bool isCallValid,
+                                          BufferID bufferPacked,
+                                          GLsizeiptr size,
+                                          const void *data,
+                                          GLenum usage);
+angle::CallCapture CaptureNamedBufferStorage(const State &glState,
+                                             bool isCallValid,
+                                             BufferID bufferPacked,
+                                             GLsizeiptr size,
+                                             const void *data,
+                                             GLbitfield flags);
+angle::CallCapture CaptureNamedBufferSubData(const State &glState,
+                                             bool isCallValid,
+                                             BufferID bufferPacked,
+                                             GLintptr offset,
+                                             GLsizeiptr size,
+                                             const void *data);
+angle::CallCapture CaptureNamedFramebufferDrawBuffer(const State &glState,
+                                                     bool isCallValid,
+                                                     FramebufferID framebufferPacked,
+                                                     GLenum buf);
+angle::CallCapture CaptureNamedFramebufferDrawBuffers(const State &glState,
+                                                      bool isCallValid,
+                                                      FramebufferID framebufferPacked,
+                                                      GLsizei n,
+                                                      const GLenum *bufs);
+angle::CallCapture CaptureNamedFramebufferParameteri(const State &glState,
+                                                     bool isCallValid,
+                                                     FramebufferID framebufferPacked,
+                                                     GLenum pname,
+                                                     GLint param);
+angle::CallCapture CaptureNamedFramebufferReadBuffer(const State &glState,
+                                                     bool isCallValid,
+                                                     FramebufferID framebufferPacked,
+                                                     GLenum src);
+angle::CallCapture CaptureNamedFramebufferRenderbuffer(const State &glState,
+                                                       bool isCallValid,
+                                                       FramebufferID framebufferPacked,
+                                                       GLenum attachment,
+                                                       GLenum renderbuffertarget,
+                                                       RenderbufferID renderbufferPacked);
+angle::CallCapture CaptureNamedFramebufferTexture(const State &glState,
+                                                  bool isCallValid,
+                                                  FramebufferID framebufferPacked,
+                                                  GLenum attachment,
+                                                  TextureID texturePacked,
+                                                  GLint level);
+angle::CallCapture CaptureNamedFramebufferTextureLayer(const State &glState,
+                                                       bool isCallValid,
+                                                       FramebufferID framebufferPacked,
+                                                       GLenum attachment,
+                                                       TextureID texturePacked,
+                                                       GLint level,
+                                                       GLint layer);
+angle::CallCapture CaptureNamedRenderbufferStorage(const State &glState,
+                                                   bool isCallValid,
+                                                   RenderbufferID renderbufferPacked,
+                                                   GLenum internalformat,
+                                                   GLsizei width,
+                                                   GLsizei height);
+angle::CallCapture CaptureNamedRenderbufferStorageMultisample(const State &glState,
+                                                              bool isCallValid,
+                                                              RenderbufferID renderbufferPacked,
+                                                              GLsizei samples,
+                                                              GLenum internalformat,
+                                                              GLsizei width,
+                                                              GLsizei height);
+angle::CallCapture CaptureTextureBarrier(const State &glState, bool isCallValid);
+angle::CallCapture CaptureTextureBuffer(const State &glState,
+                                        bool isCallValid,
+                                        TextureID texturePacked,
+                                        GLenum internalformat,
+                                        BufferID bufferPacked);
+angle::CallCapture CaptureTextureBufferRange(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLenum internalformat,
+                                             BufferID bufferPacked,
+                                             GLintptr offset,
+                                             GLsizeiptr size);
+angle::CallCapture CaptureTextureParameterIiv(const State &glState,
+                                              bool isCallValid,
+                                              TextureID texturePacked,
+                                              GLenum pname,
+                                              const GLint *params);
+angle::CallCapture CaptureTextureParameterIuiv(const State &glState,
+                                               bool isCallValid,
+                                               TextureID texturePacked,
+                                               GLenum pname,
+                                               const GLuint *params);
+angle::CallCapture CaptureTextureParameterf(const State &glState,
+                                            bool isCallValid,
+                                            TextureID texturePacked,
+                                            GLenum pname,
+                                            GLfloat param);
+angle::CallCapture CaptureTextureParameterfv(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLenum pname,
+                                             const GLfloat *param);
+angle::CallCapture CaptureTextureParameteri(const State &glState,
+                                            bool isCallValid,
+                                            TextureID texturePacked,
+                                            GLenum pname,
+                                            GLint param);
+angle::CallCapture CaptureTextureParameteriv(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLenum pname,
+                                             const GLint *param);
+angle::CallCapture CaptureTextureStorage1D(const State &glState,
+                                           bool isCallValid,
+                                           TextureID texturePacked,
+                                           GLsizei levels,
+                                           GLenum internalformat,
+                                           GLsizei width);
+angle::CallCapture CaptureTextureStorage2D(const State &glState,
+                                           bool isCallValid,
+                                           TextureID texturePacked,
+                                           GLsizei levels,
+                                           GLenum internalformat,
+                                           GLsizei width,
+                                           GLsizei height);
+angle::CallCapture CaptureTextureStorage2DMultisample(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureID texturePacked,
+                                                      GLsizei samples,
+                                                      GLenum internalformat,
+                                                      GLsizei width,
+                                                      GLsizei height,
+                                                      GLboolean fixedsamplelocations);
+angle::CallCapture CaptureTextureStorage3D(const State &glState,
+                                           bool isCallValid,
+                                           TextureID texturePacked,
+                                           GLsizei levels,
+                                           GLenum internalformat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth);
+angle::CallCapture CaptureTextureStorage3DMultisample(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureID texturePacked,
+                                                      GLsizei samples,
+                                                      GLenum internalformat,
+                                                      GLsizei width,
+                                                      GLsizei height,
+                                                      GLsizei depth,
+                                                      GLboolean fixedsamplelocations);
+angle::CallCapture CaptureTextureSubImage1D(const State &glState,
+                                            bool isCallValid,
+                                            TextureID texturePacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLsizei width,
+                                            GLenum format,
+                                            GLenum type,
+                                            const void *pixels);
+angle::CallCapture CaptureTextureSubImage2D(const State &glState,
+                                            bool isCallValid,
+                                            TextureID texturePacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLenum format,
+                                            GLenum type,
+                                            const void *pixels);
+angle::CallCapture CaptureTextureSubImage3D(const State &glState,
+                                            bool isCallValid,
+                                            TextureID texturePacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLint zoffset,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLsizei depth,
+                                            GLenum format,
+                                            GLenum type,
+                                            const void *pixels);
+angle::CallCapture CaptureTransformFeedbackBufferBase(const State &glState,
+                                                      bool isCallValid,
+                                                      GLuint xfb,
+                                                      GLuint index,
+                                                      BufferID bufferPacked);
+angle::CallCapture CaptureTransformFeedbackBufferRange(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint xfb,
+                                                       GLuint index,
+                                                       BufferID bufferPacked,
+                                                       GLintptr offset,
+                                                       GLsizeiptr size);
+angle::CallCapture CaptureUnmapNamedBuffer(const State &glState,
+                                           bool isCallValid,
+                                           BufferID bufferPacked,
+                                           GLboolean returnValue);
+angle::CallCapture CaptureVertexArrayAttribBinding(const State &glState,
+                                                   bool isCallValid,
+                                                   VertexArrayID vaobjPacked,
+                                                   GLuint attribindex,
+                                                   GLuint bindingindex);
+angle::CallCapture CaptureVertexArrayAttribFormat(const State &glState,
+                                                  bool isCallValid,
+                                                  VertexArrayID vaobjPacked,
+                                                  GLuint attribindex,
+                                                  GLint size,
+                                                  GLenum type,
+                                                  GLboolean normalized,
+                                                  GLuint relativeoffset);
+angle::CallCapture CaptureVertexArrayAttribIFormat(const State &glState,
+                                                   bool isCallValid,
+                                                   VertexArrayID vaobjPacked,
+                                                   GLuint attribindex,
+                                                   GLint size,
+                                                   GLenum type,
+                                                   GLuint relativeoffset);
+angle::CallCapture CaptureVertexArrayAttribLFormat(const State &glState,
+                                                   bool isCallValid,
+                                                   VertexArrayID vaobjPacked,
+                                                   GLuint attribindex,
+                                                   GLint size,
+                                                   GLenum type,
+                                                   GLuint relativeoffset);
+angle::CallCapture CaptureVertexArrayBindingDivisor(const State &glState,
+                                                    bool isCallValid,
+                                                    VertexArrayID vaobjPacked,
+                                                    GLuint bindingindex,
+                                                    GLuint divisor);
+angle::CallCapture CaptureVertexArrayElementBuffer(const State &glState,
+                                                   bool isCallValid,
+                                                   VertexArrayID vaobjPacked,
+                                                   BufferID bufferPacked);
+angle::CallCapture CaptureVertexArrayVertexBuffer(const State &glState,
+                                                  bool isCallValid,
+                                                  VertexArrayID vaobjPacked,
+                                                  GLuint bindingindex,
+                                                  BufferID bufferPacked,
+                                                  GLintptr offset,
+                                                  GLsizei stride);
+angle::CallCapture CaptureVertexArrayVertexBuffers(const State &glState,
+                                                   bool isCallValid,
+                                                   VertexArrayID vaobjPacked,
+                                                   GLuint first,
+                                                   GLsizei count,
+                                                   const BufferID *buffersPacked,
+                                                   const GLintptr *offsets,
+                                                   const GLsizei *strides);
+
+// GL 4.6
+angle::CallCapture CaptureMultiDrawArraysIndirectCount(const State &glState,
+                                                       bool isCallValid,
+                                                       GLenum mode,
+                                                       const void *indirect,
+                                                       GLintptr drawcount,
+                                                       GLsizei maxdrawcount,
+                                                       GLsizei stride);
+angle::CallCapture CaptureMultiDrawElementsIndirectCount(const State &glState,
+                                                         bool isCallValid,
+                                                         GLenum mode,
+                                                         GLenum type,
+                                                         const void *indirect,
+                                                         GLintptr drawcount,
+                                                         GLsizei maxdrawcount,
+                                                         GLsizei stride);
+angle::CallCapture CapturePolygonOffsetClamp(const State &glState,
+                                             bool isCallValid,
+                                             GLfloat factor,
+                                             GLfloat units,
+                                             GLfloat clamp);
+angle::CallCapture CaptureSpecializeShader(const State &glState,
+                                           bool isCallValid,
+                                           GLuint shader,
+                                           const GLchar *pEntryPoint,
+                                           GLuint numSpecializationConstants,
+                                           const GLuint *pConstantIndex,
+                                           const GLuint *pConstantValue);
+
+// Parameter Captures
+
+// GL 4.0
+void CaptureGetActiveSubroutineName_length(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           GLenum shadertype,
+                                           GLuint index,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLchar *name,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetActiveSubroutineName_name(const State &glState,
+                                         bool isCallValid,
+                                         ShaderProgramID programPacked,
+                                         GLenum shadertype,
+                                         GLuint index,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLchar *name,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetActiveSubroutineUniformName_length(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  GLenum shadertype,
+                                                  GLuint index,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLchar *name,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetActiveSubroutineUniformName_name(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                GLenum shadertype,
+                                                GLuint index,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLchar *name,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetActiveSubroutineUniformiv_values(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                GLenum shadertype,
+                                                GLuint index,
+                                                GLenum pname,
+                                                GLint *values,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetProgramStageiv_values(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     GLenum shadertype,
+                                     GLenum pname,
+                                     GLint *values,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetQueryIndexediv_params(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLuint index,
+                                     GLenum pname,
+                                     GLint *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetSubroutineIndex_name(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    GLenum shadertype,
+                                    const GLchar *name,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetSubroutineUniformLocation_name(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              GLenum shadertype,
+                                              const GLchar *name,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetUniformSubroutineuiv_params(const State &glState,
+                                           bool isCallValid,
+                                           GLenum shadertype,
+                                           GLint location,
+                                           GLuint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetUniformdv_params(const State &glState,
+                                bool isCallValid,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLdouble *params,
+                                angle::ParamCapture *paramCapture);
+void CapturePatchParameterfv_values(const State &glState,
+                                    bool isCallValid,
+                                    GLenum pname,
+                                    const GLfloat *values,
+                                    angle::ParamCapture *paramCapture);
+void CaptureUniform1dv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLdouble *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform2dv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLdouble *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform3dv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLdouble *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform4dv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLdouble *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix2dv_value(const State &glState,
+                                   bool isCallValid,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   GLboolean transpose,
+                                   const GLdouble *value,
+                                   angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix2x3dv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix2x4dv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix3dv_value(const State &glState,
+                                   bool isCallValid,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   GLboolean transpose,
+                                   const GLdouble *value,
+                                   angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix3x2dv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix3x4dv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix4dv_value(const State &glState,
+                                   bool isCallValid,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   GLboolean transpose,
+                                   const GLdouble *value,
+                                   angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix4x2dv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix4x3dv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformSubroutinesuiv_indices(const State &glState,
+                                          bool isCallValid,
+                                          GLenum shadertype,
+                                          GLsizei count,
+                                          const GLuint *indices,
+                                          angle::ParamCapture *paramCapture);
+
+// GL 4.1
+void CaptureDepthRangeArrayv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint first,
+                               GLsizei count,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetDoublei_v_data(const State &glState,
+                              bool isCallValid,
+                              GLenum target,
+                              GLuint index,
+                              GLdouble *data,
+                              angle::ParamCapture *paramCapture);
+void CaptureGetFloati_v_data(const State &glState,
+                             bool isCallValid,
+                             GLenum target,
+                             GLuint index,
+                             GLfloat *data,
+                             angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribLdv_params(const State &glState,
+                                      bool isCallValid,
+                                      GLuint index,
+                                      GLenum pname,
+                                      GLdouble *params,
+                                      angle::ParamCapture *paramCapture);
+void CaptureProgramUniform1dv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLdouble *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform2dv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLdouble *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform3dv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLdouble *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform4dv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLdouble *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2dv_value(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLdouble *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2x3dv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLdouble *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2x4dv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLdouble *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3dv_value(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLdouble *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3x2dv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLdouble *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3x4dv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLdouble *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4dv_value(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLdouble *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4x2dv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLdouble *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4x3dv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLdouble *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureScissorArrayv_v(const State &glState,
+                            bool isCallValid,
+                            GLuint first,
+                            GLsizei count,
+                            const GLint *v,
+                            angle::ParamCapture *paramCapture);
+void CaptureScissorIndexedv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLint *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttribL1dv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribL2dv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribL3dv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribL4dv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLdouble *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribLPointer_pointer(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLint size,
+                                         GLenum type,
+                                         GLsizei stride,
+                                         const void *pointer,
+                                         angle::ParamCapture *paramCapture);
+void CaptureViewportArrayv_v(const State &glState,
+                             bool isCallValid,
+                             GLuint first,
+                             GLsizei count,
+                             const GLfloat *v,
+                             angle::ParamCapture *paramCapture);
+void CaptureViewportIndexedfv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLfloat *v,
+                                angle::ParamCapture *paramCapture);
+
+// GL 4.2
+void CaptureDrawElementsInstancedBaseInstance_indices(const State &glState,
+                                                      bool isCallValid,
+                                                      PrimitiveMode modePacked,
+                                                      GLsizei count,
+                                                      DrawElementsType typePacked,
+                                                      const void *indices,
+                                                      GLsizei instancecount,
+                                                      GLuint baseinstance,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedBaseVertexBaseInstance_indices(const State &glState,
+                                                                bool isCallValid,
+                                                                PrimitiveMode modePacked,
+                                                                GLsizei count,
+                                                                DrawElementsType typePacked,
+                                                                const void *indices,
+                                                                GLsizei instancecount,
+                                                                GLint basevertex,
+                                                                GLuint baseinstance,
+                                                                angle::ParamCapture *paramCapture);
+void CaptureGetActiveAtomicCounterBufferiv_params(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  GLuint bufferIndex,
+                                                  GLenum pname,
+                                                  GLint *params,
+                                                  angle::ParamCapture *paramCapture);
+
+// GL 4.3
+void CaptureClearBufferData_data(const State &glState,
+                                 bool isCallValid,
+                                 GLenum target,
+                                 GLenum internalformat,
+                                 GLenum format,
+                                 GLenum type,
+                                 const void *data,
+                                 angle::ParamCapture *paramCapture);
+void CaptureClearBufferSubData_data(const State &glState,
+                                    bool isCallValid,
+                                    GLenum target,
+                                    GLenum internalformat,
+                                    GLintptr offset,
+                                    GLsizeiptr size,
+                                    GLenum format,
+                                    GLenum type,
+                                    const void *data,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetInternalformati64v_params(const State &glState,
+                                         bool isCallValid,
+                                         GLenum target,
+                                         GLenum internalformat,
+                                         GLenum pname,
+                                         GLsizei count,
+                                         GLint64 *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceLocationIndex_name(const State &glState,
+                                                 bool isCallValid,
+                                                 ShaderProgramID programPacked,
+                                                 GLenum programInterface,
+                                                 const GLchar *name,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysIndirect_indirect(const State &glState,
+                                             bool isCallValid,
+                                             PrimitiveMode modePacked,
+                                             const void *indirect,
+                                             GLsizei drawcount,
+                                             GLsizei stride,
+                                             angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsIndirect_indirect(const State &glState,
+                                               bool isCallValid,
+                                               PrimitiveMode modePacked,
+                                               DrawElementsType typePacked,
+                                               const void *indirect,
+                                               GLsizei drawcount,
+                                               GLsizei stride,
+                                               angle::ParamCapture *paramCapture);
+
+// GL 4.4
+void CaptureBindBuffersBase_buffersPacked(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLuint first,
+                                          GLsizei count,
+                                          const BufferID *buffersPacked,
+                                          angle::ParamCapture *paramCapture);
+void CaptureBindBuffersRange_buffersPacked(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           GLuint first,
+                                           GLsizei count,
+                                           const BufferID *buffersPacked,
+                                           const GLintptr *offsets,
+                                           const GLsizeiptr *sizes,
+                                           angle::ParamCapture *paramCapture);
+void CaptureBindBuffersRange_offsets(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLuint first,
+                                     GLsizei count,
+                                     const BufferID *buffersPacked,
+                                     const GLintptr *offsets,
+                                     const GLsizeiptr *sizes,
+                                     angle::ParamCapture *paramCapture);
+void CaptureBindBuffersRange_sizes(const State &glState,
+                                   bool isCallValid,
+                                   GLenum target,
+                                   GLuint first,
+                                   GLsizei count,
+                                   const BufferID *buffersPacked,
+                                   const GLintptr *offsets,
+                                   const GLsizeiptr *sizes,
+                                   angle::ParamCapture *paramCapture);
+void CaptureBindImageTextures_textures(const State &glState,
+                                       bool isCallValid,
+                                       GLuint first,
+                                       GLsizei count,
+                                       const GLuint *textures,
+                                       angle::ParamCapture *paramCapture);
+void CaptureBindSamplers_samplers(const State &glState,
+                                  bool isCallValid,
+                                  GLuint first,
+                                  GLsizei count,
+                                  const GLuint *samplers,
+                                  angle::ParamCapture *paramCapture);
+void CaptureBindTextures_textures(const State &glState,
+                                  bool isCallValid,
+                                  GLuint first,
+                                  GLsizei count,
+                                  const GLuint *textures,
+                                  angle::ParamCapture *paramCapture);
+void CaptureBindVertexBuffers_buffersPacked(const State &glState,
+                                            bool isCallValid,
+                                            GLuint first,
+                                            GLsizei count,
+                                            const BufferID *buffersPacked,
+                                            const GLintptr *offsets,
+                                            const GLsizei *strides,
+                                            angle::ParamCapture *paramCapture);
+void CaptureBindVertexBuffers_offsets(const State &glState,
+                                      bool isCallValid,
+                                      GLuint first,
+                                      GLsizei count,
+                                      const BufferID *buffersPacked,
+                                      const GLintptr *offsets,
+                                      const GLsizei *strides,
+                                      angle::ParamCapture *paramCapture);
+void CaptureBindVertexBuffers_strides(const State &glState,
+                                      bool isCallValid,
+                                      GLuint first,
+                                      GLsizei count,
+                                      const BufferID *buffersPacked,
+                                      const GLintptr *offsets,
+                                      const GLsizei *strides,
+                                      angle::ParamCapture *paramCapture);
+void CaptureBufferStorage_data(const State &glState,
+                               bool isCallValid,
+                               BufferBinding targetPacked,
+                               GLsizeiptr size,
+                               const void *data,
+                               GLbitfield flags,
+                               angle::ParamCapture *paramCapture);
+void CaptureClearTexImage_data(const State &glState,
+                               bool isCallValid,
+                               TextureID texturePacked,
+                               GLint level,
+                               GLenum format,
+                               GLenum type,
+                               const void *data,
+                               angle::ParamCapture *paramCapture);
+void CaptureClearTexSubImage_data(const State &glState,
+                                  bool isCallValid,
+                                  TextureID texturePacked,
+                                  GLint level,
+                                  GLint xoffset,
+                                  GLint yoffset,
+                                  GLint zoffset,
+                                  GLsizei width,
+                                  GLsizei height,
+                                  GLsizei depth,
+                                  GLenum format,
+                                  GLenum type,
+                                  const void *data,
+                                  angle::ParamCapture *paramCapture);
+
+// GL 4.5
+void CaptureClearNamedBufferData_data(const State &glState,
+                                      bool isCallValid,
+                                      BufferID bufferPacked,
+                                      GLenum internalformat,
+                                      GLenum format,
+                                      GLenum type,
+                                      const void *data,
+                                      angle::ParamCapture *paramCapture);
+void CaptureClearNamedBufferSubData_data(const State &glState,
+                                         bool isCallValid,
+                                         BufferID bufferPacked,
+                                         GLenum internalformat,
+                                         GLintptr offset,
+                                         GLsizeiptr size,
+                                         GLenum format,
+                                         GLenum type,
+                                         const void *data,
+                                         angle::ParamCapture *paramCapture);
+void CaptureClearNamedFramebufferfv_value(const State &glState,
+                                          bool isCallValid,
+                                          FramebufferID framebufferPacked,
+                                          GLenum buffer,
+                                          GLint drawbuffer,
+                                          const GLfloat *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureClearNamedFramebufferiv_value(const State &glState,
+                                          bool isCallValid,
+                                          FramebufferID framebufferPacked,
+                                          GLenum buffer,
+                                          GLint drawbuffer,
+                                          const GLint *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureClearNamedFramebufferuiv_value(const State &glState,
+                                           bool isCallValid,
+                                           FramebufferID framebufferPacked,
+                                           GLenum buffer,
+                                           GLint drawbuffer,
+                                           const GLuint *value,
+                                           angle::ParamCapture *paramCapture);
+void CaptureCompressedTextureSubImage1D_data(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLint level,
+                                             GLint xoffset,
+                                             GLsizei width,
+                                             GLenum format,
+                                             GLsizei imageSize,
+                                             const void *data,
+                                             angle::ParamCapture *paramCapture);
+void CaptureCompressedTextureSubImage2D_data(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLint level,
+                                             GLint xoffset,
+                                             GLint yoffset,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLenum format,
+                                             GLsizei imageSize,
+                                             const void *data,
+                                             angle::ParamCapture *paramCapture);
+void CaptureCompressedTextureSubImage3D_data(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLint level,
+                                             GLint xoffset,
+                                             GLint yoffset,
+                                             GLint zoffset,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLsizei depth,
+                                             GLenum format,
+                                             GLsizei imageSize,
+                                             const void *data,
+                                             angle::ParamCapture *paramCapture);
+void CaptureCreateBuffers_buffersPacked(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        BufferID *buffersPacked,
+                                        angle::ParamCapture *paramCapture);
+void CaptureCreateFramebuffers_framebuffers(const State &glState,
+                                            bool isCallValid,
+                                            GLsizei n,
+                                            GLuint *framebuffers,
+                                            angle::ParamCapture *paramCapture);
+void CaptureCreateProgramPipelines_pipelines(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             GLuint *pipelines,
+                                             angle::ParamCapture *paramCapture);
+void CaptureCreateQueries_ids(const State &glState,
+                              bool isCallValid,
+                              GLenum target,
+                              GLsizei n,
+                              GLuint *ids,
+                              angle::ParamCapture *paramCapture);
+void CaptureCreateRenderbuffers_renderbuffersPacked(const State &glState,
+                                                    bool isCallValid,
+                                                    GLsizei n,
+                                                    RenderbufferID *renderbuffersPacked,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureCreateSamplers_samplers(const State &glState,
+                                    bool isCallValid,
+                                    GLsizei n,
+                                    GLuint *samplers,
+                                    angle::ParamCapture *paramCapture);
+void CaptureCreateTextures_textures(const State &glState,
+                                    bool isCallValid,
+                                    GLenum target,
+                                    GLsizei n,
+                                    GLuint *textures,
+                                    angle::ParamCapture *paramCapture);
+void CaptureCreateTransformFeedbacks_ids(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei n,
+                                         GLuint *ids,
+                                         angle::ParamCapture *paramCapture);
+void CaptureCreateVertexArrays_arraysPacked(const State &glState,
+                                            bool isCallValid,
+                                            GLsizei n,
+                                            VertexArrayID *arraysPacked,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetCompressedTextureImage_pixels(const State &glState,
+                                             bool isCallValid,
+                                             TextureID texturePacked,
+                                             GLint level,
+                                             GLsizei bufSize,
+                                             void *pixels,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetCompressedTextureSubImage_pixels(const State &glState,
+                                                bool isCallValid,
+                                                TextureID texturePacked,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLint zoffset,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth,
+                                                GLsizei bufSize,
+                                                void *pixels,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetNamedBufferParameteri64v_params(const State &glState,
+                                               bool isCallValid,
+                                               BufferID bufferPacked,
+                                               GLenum pname,
+                                               GLint64 *params,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetNamedBufferParameteriv_params(const State &glState,
+                                             bool isCallValid,
+                                             BufferID bufferPacked,
+                                             GLenum pname,
+                                             GLint *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetNamedBufferPointerv_params(const State &glState,
+                                          bool isCallValid,
+                                          BufferID bufferPacked,
+                                          GLenum pname,
+                                          void **params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetNamedBufferSubData_data(const State &glState,
+                                       bool isCallValid,
+                                       BufferID bufferPacked,
+                                       GLintptr offset,
+                                       GLsizeiptr size,
+                                       void *data,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetNamedFramebufferAttachmentParameteriv_params(const State &glState,
+                                                            bool isCallValid,
+                                                            FramebufferID framebufferPacked,
+                                                            GLenum attachment,
+                                                            GLenum pname,
+                                                            GLint *params,
+                                                            angle::ParamCapture *paramCapture);
+void CaptureGetNamedFramebufferParameteriv_param(const State &glState,
+                                                 bool isCallValid,
+                                                 FramebufferID framebufferPacked,
+                                                 GLenum pname,
+                                                 GLint *param,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetNamedRenderbufferParameteriv_params(const State &glState,
+                                                   bool isCallValid,
+                                                   RenderbufferID renderbufferPacked,
+                                                   GLenum pname,
+                                                   GLint *params,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureGetTextureImage_pixels(const State &glState,
+                                   bool isCallValid,
+                                   TextureID texturePacked,
+                                   GLint level,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   void *pixels,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetTextureLevelParameterfv_params(const State &glState,
+                                              bool isCallValid,
+                                              TextureID texturePacked,
+                                              GLint level,
+                                              GLenum pname,
+                                              GLfloat *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetTextureLevelParameteriv_params(const State &glState,
+                                              bool isCallValid,
+                                              TextureID texturePacked,
+                                              GLint level,
+                                              GLenum pname,
+                                              GLint *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetTextureParameterIiv_params(const State &glState,
+                                          bool isCallValid,
+                                          TextureID texturePacked,
+                                          GLenum pname,
+                                          GLint *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetTextureParameterIuiv_params(const State &glState,
+                                           bool isCallValid,
+                                           TextureID texturePacked,
+                                           GLenum pname,
+                                           GLuint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetTextureParameterfv_params(const State &glState,
+                                         bool isCallValid,
+                                         TextureID texturePacked,
+                                         GLenum pname,
+                                         GLfloat *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetTextureParameteriv_params(const State &glState,
+                                         bool isCallValid,
+                                         TextureID texturePacked,
+                                         GLenum pname,
+                                         GLint *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetTextureSubImage_pixels(const State &glState,
+                                      bool isCallValid,
+                                      TextureID texturePacked,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLint yoffset,
+                                      GLint zoffset,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLsizei depth,
+                                      GLenum format,
+                                      GLenum type,
+                                      GLsizei bufSize,
+                                      void *pixels,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetTransformFeedbacki64_v_param(const State &glState,
+                                            bool isCallValid,
+                                            GLuint xfb,
+                                            GLenum pname,
+                                            GLuint index,
+                                            GLint64 *param,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetTransformFeedbacki_v_param(const State &glState,
+                                          bool isCallValid,
+                                          GLuint xfb,
+                                          GLenum pname,
+                                          GLuint index,
+                                          GLint *param,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetTransformFeedbackiv_param(const State &glState,
+                                         bool isCallValid,
+                                         GLuint xfb,
+                                         GLenum pname,
+                                         GLint *param,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetVertexArrayIndexed64iv_param(const State &glState,
+                                            bool isCallValid,
+                                            VertexArrayID vaobjPacked,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLint64 *param,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetVertexArrayIndexediv_param(const State &glState,
+                                          bool isCallValid,
+                                          VertexArrayID vaobjPacked,
+                                          GLuint index,
+                                          GLenum pname,
+                                          GLint *param,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetVertexArrayiv_param(const State &glState,
+                                   bool isCallValid,
+                                   VertexArrayID vaobjPacked,
+                                   GLenum pname,
+                                   GLint *param,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetnColorTable_table(const State &glState,
+                                 bool isCallValid,
+                                 GLenum target,
+                                 GLenum format,
+                                 GLenum type,
+                                 GLsizei bufSize,
+                                 void *table,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetnCompressedTexImage_pixels(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLint lod,
+                                          GLsizei bufSize,
+                                          void *pixels,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetnConvolutionFilter_image(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLenum format,
+                                        GLenum type,
+                                        GLsizei bufSize,
+                                        void *image,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetnHistogram_values(const State &glState,
+                                 bool isCallValid,
+                                 GLenum target,
+                                 GLboolean reset,
+                                 GLenum format,
+                                 GLenum type,
+                                 GLsizei bufSize,
+                                 void *values,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetnMapdv_v(const State &glState,
+                        bool isCallValid,
+                        GLenum target,
+                        GLenum query,
+                        GLsizei bufSize,
+                        GLdouble *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureGetnMapfv_v(const State &glState,
+                        bool isCallValid,
+                        GLenum target,
+                        GLenum query,
+                        GLsizei bufSize,
+                        GLfloat *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureGetnMapiv_v(const State &glState,
+                        bool isCallValid,
+                        GLenum target,
+                        GLenum query,
+                        GLsizei bufSize,
+                        GLint *v,
+                        angle::ParamCapture *paramCapture);
+void CaptureGetnMinmax_values(const State &glState,
+                              bool isCallValid,
+                              GLenum target,
+                              GLboolean reset,
+                              GLenum format,
+                              GLenum type,
+                              GLsizei bufSize,
+                              void *values,
+                              angle::ParamCapture *paramCapture);
+void CaptureGetnPixelMapfv_values(const State &glState,
+                                  bool isCallValid,
+                                  GLenum map,
+                                  GLsizei bufSize,
+                                  GLfloat *values,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetnPixelMapuiv_values(const State &glState,
+                                   bool isCallValid,
+                                   GLenum map,
+                                   GLsizei bufSize,
+                                   GLuint *values,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetnPixelMapusv_values(const State &glState,
+                                   bool isCallValid,
+                                   GLenum map,
+                                   GLsizei bufSize,
+                                   GLushort *values,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetnPolygonStipple_pattern(const State &glState,
+                                       bool isCallValid,
+                                       GLsizei bufSize,
+                                       GLubyte *pattern,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetnSeparableFilter_row(const State &glState,
+                                    bool isCallValid,
+                                    GLenum target,
+                                    GLenum format,
+                                    GLenum type,
+                                    GLsizei rowBufSize,
+                                    void *row,
+                                    GLsizei columnBufSize,
+                                    void *column,
+                                    void *span,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetnSeparableFilter_column(const State &glState,
+                                       bool isCallValid,
+                                       GLenum target,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei rowBufSize,
+                                       void *row,
+                                       GLsizei columnBufSize,
+                                       void *column,
+                                       void *span,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetnSeparableFilter_span(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLenum format,
+                                     GLenum type,
+                                     GLsizei rowBufSize,
+                                     void *row,
+                                     GLsizei columnBufSize,
+                                     void *column,
+                                     void *span,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetnTexImage_pixels(const State &glState,
+                                bool isCallValid,
+                                GLenum target,
+                                GLint level,
+                                GLenum format,
+                                GLenum type,
+                                GLsizei bufSize,
+                                void *pixels,
+                                angle::ParamCapture *paramCapture);
+void CaptureGetnUniformdv_params(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLsizei bufSize,
+                                 GLdouble *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureInvalidateNamedFramebufferData_attachments(const State &glState,
+                                                       bool isCallValid,
+                                                       FramebufferID framebufferPacked,
+                                                       GLsizei numAttachments,
+                                                       const GLenum *attachments,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureInvalidateNamedFramebufferSubData_attachments(const State &glState,
+                                                          bool isCallValid,
+                                                          FramebufferID framebufferPacked,
+                                                          GLsizei numAttachments,
+                                                          const GLenum *attachments,
+                                                          GLint x,
+                                                          GLint y,
+                                                          GLsizei width,
+                                                          GLsizei height,
+                                                          angle::ParamCapture *paramCapture);
+void CaptureNamedBufferData_data(const State &glState,
+                                 bool isCallValid,
+                                 BufferID bufferPacked,
+                                 GLsizeiptr size,
+                                 const void *data,
+                                 GLenum usage,
+                                 angle::ParamCapture *paramCapture);
+void CaptureNamedBufferStorage_data(const State &glState,
+                                    bool isCallValid,
+                                    BufferID bufferPacked,
+                                    GLsizeiptr size,
+                                    const void *data,
+                                    GLbitfield flags,
+                                    angle::ParamCapture *paramCapture);
+void CaptureNamedBufferSubData_data(const State &glState,
+                                    bool isCallValid,
+                                    BufferID bufferPacked,
+                                    GLintptr offset,
+                                    GLsizeiptr size,
+                                    const void *data,
+                                    angle::ParamCapture *paramCapture);
+void CaptureNamedFramebufferDrawBuffers_bufs(const State &glState,
+                                             bool isCallValid,
+                                             FramebufferID framebufferPacked,
+                                             GLsizei n,
+                                             const GLenum *bufs,
+                                             angle::ParamCapture *paramCapture);
+void CaptureTextureParameterIiv_params(const State &glState,
+                                       bool isCallValid,
+                                       TextureID texturePacked,
+                                       GLenum pname,
+                                       const GLint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureTextureParameterIuiv_params(const State &glState,
+                                        bool isCallValid,
+                                        TextureID texturePacked,
+                                        GLenum pname,
+                                        const GLuint *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureTextureParameterfv_param(const State &glState,
+                                     bool isCallValid,
+                                     TextureID texturePacked,
+                                     GLenum pname,
+                                     const GLfloat *param,
+                                     angle::ParamCapture *paramCapture);
+void CaptureTextureParameteriv_param(const State &glState,
+                                     bool isCallValid,
+                                     TextureID texturePacked,
+                                     GLenum pname,
+                                     const GLint *param,
+                                     angle::ParamCapture *paramCapture);
+void CaptureTextureSubImage1D_pixels(const State &glState,
+                                     bool isCallValid,
+                                     TextureID texturePacked,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLsizei width,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *pixels,
+                                     angle::ParamCapture *paramCapture);
+void CaptureTextureSubImage2D_pixels(const State &glState,
+                                     bool isCallValid,
+                                     TextureID texturePacked,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *pixels,
+                                     angle::ParamCapture *paramCapture);
+void CaptureTextureSubImage3D_pixels(const State &glState,
+                                     bool isCallValid,
+                                     TextureID texturePacked,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLint zoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *pixels,
+                                     angle::ParamCapture *paramCapture);
+void CaptureVertexArrayVertexBuffers_buffersPacked(const State &glState,
+                                                   bool isCallValid,
+                                                   VertexArrayID vaobjPacked,
+                                                   GLuint first,
+                                                   GLsizei count,
+                                                   const BufferID *buffersPacked,
+                                                   const GLintptr *offsets,
+                                                   const GLsizei *strides,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureVertexArrayVertexBuffers_offsets(const State &glState,
+                                             bool isCallValid,
+                                             VertexArrayID vaobjPacked,
+                                             GLuint first,
+                                             GLsizei count,
+                                             const BufferID *buffersPacked,
+                                             const GLintptr *offsets,
+                                             const GLsizei *strides,
+                                             angle::ParamCapture *paramCapture);
+void CaptureVertexArrayVertexBuffers_strides(const State &glState,
+                                             bool isCallValid,
+                                             VertexArrayID vaobjPacked,
+                                             GLuint first,
+                                             GLsizei count,
+                                             const BufferID *buffersPacked,
+                                             const GLintptr *offsets,
+                                             const GLsizei *strides,
+                                             angle::ParamCapture *paramCapture);
+
+// GL 4.6
+void CaptureMultiDrawArraysIndirectCount_indirect(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum mode,
+                                                  const void *indirect,
+                                                  GLintptr drawcount,
+                                                  GLsizei maxdrawcount,
+                                                  GLsizei stride,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsIndirectCount_indirect(const State &glState,
+                                                    bool isCallValid,
+                                                    GLenum mode,
+                                                    GLenum type,
+                                                    const void *indirect,
+                                                    GLintptr drawcount,
+                                                    GLsizei maxdrawcount,
+                                                    GLsizei stride,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureSpecializeShader_pEntryPoint(const State &glState,
+                                         bool isCallValid,
+                                         GLuint shader,
+                                         const GLchar *pEntryPoint,
+                                         GLuint numSpecializationConstants,
+                                         const GLuint *pConstantIndex,
+                                         const GLuint *pConstantValue,
+                                         angle::ParamCapture *paramCapture);
+void CaptureSpecializeShader_pConstantIndex(const State &glState,
+                                            bool isCallValid,
+                                            GLuint shader,
+                                            const GLchar *pEntryPoint,
+                                            GLuint numSpecializationConstants,
+                                            const GLuint *pConstantIndex,
+                                            const GLuint *pConstantValue,
+                                            angle::ParamCapture *paramCapture);
+void CaptureSpecializeShader_pConstantValue(const State &glState,
+                                            bool isCallValid,
+                                            GLuint shader,
+                                            const GLchar *pEntryPoint,
+                                            GLuint numSpecializationConstants,
+                                            const GLuint *pConstantIndex,
+                                            const GLuint *pConstantValue,
+                                            angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GL_4_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gles_1_0_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_1_0_autogen.h
new file mode 100644
index 0000000000..009ddb9977
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_1_0_autogen.h
@@ -0,0 +1,582 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gles_1_0_autogen.h:
+//   Capture functions for the OpenGL ES 1.0 entry points.
+
+#ifndef LIBANGLE_CAPTURE_GLES_1_0_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GLES_1_0_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+angle::CallCapture CaptureAlphaFunc(const State &glState,
+                                    bool isCallValid,
+                                    AlphaTestFunc funcPacked,
+                                    GLfloat ref);
+angle::CallCapture CaptureAlphaFuncx(const State &glState,
+                                     bool isCallValid,
+                                     AlphaTestFunc funcPacked,
+                                     GLfixed ref);
+angle::CallCapture CaptureClearColorx(const State &glState,
+                                      bool isCallValid,
+                                      GLfixed red,
+                                      GLfixed green,
+                                      GLfixed blue,
+                                      GLfixed alpha);
+angle::CallCapture CaptureClearDepthx(const State &glState, bool isCallValid, GLfixed depth);
+angle::CallCapture CaptureClientActiveTexture(const State &glState,
+                                              bool isCallValid,
+                                              GLenum texture);
+angle::CallCapture CaptureClipPlanef(const State &glState,
+                                     bool isCallValid,
+                                     GLenum p,
+                                     const GLfloat *eqn);
+angle::CallCapture CaptureClipPlanex(const State &glState,
+                                     bool isCallValid,
+                                     GLenum plane,
+                                     const GLfixed *equation);
+angle::CallCapture CaptureColor4f(const State &glState,
+                                  bool isCallValid,
+                                  GLfloat red,
+                                  GLfloat green,
+                                  GLfloat blue,
+                                  GLfloat alpha);
+angle::CallCapture CaptureColor4ub(const State &glState,
+                                   bool isCallValid,
+                                   GLubyte red,
+                                   GLubyte green,
+                                   GLubyte blue,
+                                   GLubyte alpha);
+angle::CallCapture CaptureColor4x(const State &glState,
+                                  bool isCallValid,
+                                  GLfixed red,
+                                  GLfixed green,
+                                  GLfixed blue,
+                                  GLfixed alpha);
+angle::CallCapture CaptureColorPointer(const State &glState,
+                                       bool isCallValid,
+                                       GLint size,
+                                       VertexAttribType typePacked,
+                                       GLsizei stride,
+                                       const void *pointer);
+angle::CallCapture CaptureDepthRangex(const State &glState, bool isCallValid, GLfixed n, GLfixed f);
+angle::CallCapture CaptureDisableClientState(const State &glState,
+                                             bool isCallValid,
+                                             ClientVertexArrayType arrayPacked);
+angle::CallCapture CaptureEnableClientState(const State &glState,
+                                            bool isCallValid,
+                                            ClientVertexArrayType arrayPacked);
+angle::CallCapture CaptureFogf(const State &glState, bool isCallValid, GLenum pname, GLfloat param);
+angle::CallCapture CaptureFogfv(const State &glState,
+                                bool isCallValid,
+                                GLenum pname,
+                                const GLfloat *params);
+angle::CallCapture CaptureFogx(const State &glState, bool isCallValid, GLenum pname, GLfixed param);
+angle::CallCapture CaptureFogxv(const State &glState,
+                                bool isCallValid,
+                                GLenum pname,
+                                const GLfixed *param);
+angle::CallCapture CaptureFrustumf(const State &glState,
+                                   bool isCallValid,
+                                   GLfloat l,
+                                   GLfloat r,
+                                   GLfloat b,
+                                   GLfloat t,
+                                   GLfloat n,
+                                   GLfloat f);
+angle::CallCapture CaptureFrustumx(const State &glState,
+                                   bool isCallValid,
+                                   GLfixed l,
+                                   GLfixed r,
+                                   GLfixed b,
+                                   GLfixed t,
+                                   GLfixed n,
+                                   GLfixed f);
+angle::CallCapture CaptureGetClipPlanef(const State &glState,
+                                        bool isCallValid,
+                                        GLenum plane,
+                                        GLfloat *equation);
+angle::CallCapture CaptureGetClipPlanex(const State &glState,
+                                        bool isCallValid,
+                                        GLenum plane,
+                                        GLfixed *equation);
+angle::CallCapture CaptureGetFixedv(const State &glState,
+                                    bool isCallValid,
+                                    GLenum pname,
+                                    GLfixed *params);
+angle::CallCapture CaptureGetLightfv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum light,
+                                     LightParameter pnamePacked,
+                                     GLfloat *params);
+angle::CallCapture CaptureGetLightxv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum light,
+                                     LightParameter pnamePacked,
+                                     GLfixed *params);
+angle::CallCapture CaptureGetMaterialfv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum face,
+                                        MaterialParameter pnamePacked,
+                                        GLfloat *params);
+angle::CallCapture CaptureGetMaterialxv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum face,
+                                        MaterialParameter pnamePacked,
+                                        GLfixed *params);
+angle::CallCapture CaptureGetTexEnvfv(const State &glState,
+                                      bool isCallValid,
+                                      TextureEnvTarget targetPacked,
+                                      TextureEnvParameter pnamePacked,
+                                      GLfloat *params);
+angle::CallCapture CaptureGetTexEnviv(const State &glState,
+                                      bool isCallValid,
+                                      TextureEnvTarget targetPacked,
+                                      TextureEnvParameter pnamePacked,
+                                      GLint *params);
+angle::CallCapture CaptureGetTexEnvxv(const State &glState,
+                                      bool isCallValid,
+                                      TextureEnvTarget targetPacked,
+                                      TextureEnvParameter pnamePacked,
+                                      GLfixed *params);
+angle::CallCapture CaptureGetTexParameterxv(const State &glState,
+                                            bool isCallValid,
+                                            TextureType targetPacked,
+                                            GLenum pname,
+                                            GLfixed *params);
+angle::CallCapture CaptureLightModelf(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLfloat param);
+angle::CallCapture CaptureLightModelfv(const State &glState,
+                                       bool isCallValid,
+                                       GLenum pname,
+                                       const GLfloat *params);
+angle::CallCapture CaptureLightModelx(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLfixed param);
+angle::CallCapture CaptureLightModelxv(const State &glState,
+                                       bool isCallValid,
+                                       GLenum pname,
+                                       const GLfixed *param);
+angle::CallCapture CaptureLightf(const State &glState,
+                                 bool isCallValid,
+                                 GLenum light,
+                                 LightParameter pnamePacked,
+                                 GLfloat param);
+angle::CallCapture CaptureLightfv(const State &glState,
+                                  bool isCallValid,
+                                  GLenum light,
+                                  LightParameter pnamePacked,
+                                  const GLfloat *params);
+angle::CallCapture CaptureLightx(const State &glState,
+                                 bool isCallValid,
+                                 GLenum light,
+                                 LightParameter pnamePacked,
+                                 GLfixed param);
+angle::CallCapture CaptureLightxv(const State &glState,
+                                  bool isCallValid,
+                                  GLenum light,
+                                  LightParameter pnamePacked,
+                                  const GLfixed *params);
+angle::CallCapture CaptureLineWidthx(const State &glState, bool isCallValid, GLfixed width);
+angle::CallCapture CaptureLoadIdentity(const State &glState, bool isCallValid);
+angle::CallCapture CaptureLoadMatrixf(const State &glState, bool isCallValid, const GLfloat *m);
+angle::CallCapture CaptureLoadMatrixx(const State &glState, bool isCallValid, const GLfixed *m);
+angle::CallCapture CaptureLogicOp(const State &glState,
+                                  bool isCallValid,
+                                  LogicalOperation opcodePacked);
+angle::CallCapture CaptureMaterialf(const State &glState,
+                                    bool isCallValid,
+                                    GLenum face,
+                                    MaterialParameter pnamePacked,
+                                    GLfloat param);
+angle::CallCapture CaptureMaterialfv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum face,
+                                     MaterialParameter pnamePacked,
+                                     const GLfloat *params);
+angle::CallCapture CaptureMaterialx(const State &glState,
+                                    bool isCallValid,
+                                    GLenum face,
+                                    MaterialParameter pnamePacked,
+                                    GLfixed param);
+angle::CallCapture CaptureMaterialxv(const State &glState,
+                                     bool isCallValid,
+                                     GLenum face,
+                                     MaterialParameter pnamePacked,
+                                     const GLfixed *param);
+angle::CallCapture CaptureMatrixMode(const State &glState, bool isCallValid, MatrixType modePacked);
+angle::CallCapture CaptureMultMatrixf(const State &glState, bool isCallValid, const GLfloat *m);
+angle::CallCapture CaptureMultMatrixx(const State &glState, bool isCallValid, const GLfixed *m);
+angle::CallCapture CaptureMultiTexCoord4f(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLfloat s,
+                                          GLfloat t,
+                                          GLfloat r,
+                                          GLfloat q);
+angle::CallCapture CaptureMultiTexCoord4x(const State &glState,
+                                          bool isCallValid,
+                                          GLenum texture,
+                                          GLfixed s,
+                                          GLfixed t,
+                                          GLfixed r,
+                                          GLfixed q);
+angle::CallCapture CaptureNormal3f(const State &glState,
+                                   bool isCallValid,
+                                   GLfloat nx,
+                                   GLfloat ny,
+                                   GLfloat nz);
+angle::CallCapture CaptureNormal3x(const State &glState,
+                                   bool isCallValid,
+                                   GLfixed nx,
+                                   GLfixed ny,
+                                   GLfixed nz);
+angle::CallCapture CaptureNormalPointer(const State &glState,
+                                        bool isCallValid,
+                                        VertexAttribType typePacked,
+                                        GLsizei stride,
+                                        const void *pointer);
+angle::CallCapture CaptureOrthof(const State &glState,
+                                 bool isCallValid,
+                                 GLfloat l,
+                                 GLfloat r,
+                                 GLfloat b,
+                                 GLfloat t,
+                                 GLfloat n,
+                                 GLfloat f);
+angle::CallCapture CaptureOrthox(const State &glState,
+                                 bool isCallValid,
+                                 GLfixed l,
+                                 GLfixed r,
+                                 GLfixed b,
+                                 GLfixed t,
+                                 GLfixed n,
+                                 GLfixed f);
+angle::CallCapture CapturePointParameterf(const State &glState,
+                                          bool isCallValid,
+                                          PointParameter pnamePacked,
+                                          GLfloat param);
+angle::CallCapture CapturePointParameterfv(const State &glState,
+                                           bool isCallValid,
+                                           PointParameter pnamePacked,
+                                           const GLfloat *params);
+angle::CallCapture CapturePointParameterx(const State &glState,
+                                          bool isCallValid,
+                                          PointParameter pnamePacked,
+                                          GLfixed param);
+angle::CallCapture CapturePointParameterxv(const State &glState,
+                                           bool isCallValid,
+                                           PointParameter pnamePacked,
+                                           const GLfixed *params);
+angle::CallCapture CapturePointSize(const State &glState, bool isCallValid, GLfloat size);
+angle::CallCapture CapturePointSizex(const State &glState, bool isCallValid, GLfixed size);
+angle::CallCapture CapturePolygonOffsetx(const State &glState,
+                                         bool isCallValid,
+                                         GLfixed factor,
+                                         GLfixed units);
+angle::CallCapture CapturePopMatrix(const State &glState, bool isCallValid);
+angle::CallCapture CapturePushMatrix(const State &glState, bool isCallValid);
+angle::CallCapture CaptureRotatef(const State &glState,
+                                  bool isCallValid,
+                                  GLfloat angle,
+                                  GLfloat x,
+                                  GLfloat y,
+                                  GLfloat z);
+angle::CallCapture CaptureRotatex(const State &glState,
+                                  bool isCallValid,
+                                  GLfixed angle,
+                                  GLfixed x,
+                                  GLfixed y,
+                                  GLfixed z);
+angle::CallCapture CaptureSampleCoveragex(const State &glState,
+                                          bool isCallValid,
+                                          GLclampx value,
+                                          GLboolean invert);
+angle::CallCapture CaptureScalef(const State &glState,
+                                 bool isCallValid,
+                                 GLfloat x,
+                                 GLfloat y,
+                                 GLfloat z);
+angle::CallCapture CaptureScalex(const State &glState,
+                                 bool isCallValid,
+                                 GLfixed x,
+                                 GLfixed y,
+                                 GLfixed z);
+angle::CallCapture CaptureShadeModel(const State &glState,
+                                     bool isCallValid,
+                                     ShadingModel modePacked);
+angle::CallCapture CaptureTexCoordPointer(const State &glState,
+                                          bool isCallValid,
+                                          GLint size,
+                                          VertexAttribType typePacked,
+                                          GLsizei stride,
+                                          const void *pointer);
+angle::CallCapture CaptureTexEnvf(const State &glState,
+                                  bool isCallValid,
+                                  TextureEnvTarget targetPacked,
+                                  TextureEnvParameter pnamePacked,
+                                  GLfloat param);
+angle::CallCapture CaptureTexEnvfv(const State &glState,
+                                   bool isCallValid,
+                                   TextureEnvTarget targetPacked,
+                                   TextureEnvParameter pnamePacked,
+                                   const GLfloat *params);
+angle::CallCapture CaptureTexEnvi(const State &glState,
+                                  bool isCallValid,
+                                  TextureEnvTarget targetPacked,
+                                  TextureEnvParameter pnamePacked,
+                                  GLint param);
+angle::CallCapture CaptureTexEnviv(const State &glState,
+                                   bool isCallValid,
+                                   TextureEnvTarget targetPacked,
+                                   TextureEnvParameter pnamePacked,
+                                   const GLint *params);
+angle::CallCapture CaptureTexEnvx(const State &glState,
+                                  bool isCallValid,
+                                  TextureEnvTarget targetPacked,
+                                  TextureEnvParameter pnamePacked,
+                                  GLfixed param);
+angle::CallCapture CaptureTexEnvxv(const State &glState,
+                                   bool isCallValid,
+                                   TextureEnvTarget targetPacked,
+                                   TextureEnvParameter pnamePacked,
+                                   const GLfixed *params);
+angle::CallCapture CaptureTexParameterx(const State &glState,
+                                        bool isCallValid,
+                                        TextureType targetPacked,
+                                        GLenum pname,
+                                        GLfixed param);
+angle::CallCapture CaptureTexParameterxv(const State &glState,
+                                         bool isCallValid,
+                                         TextureType targetPacked,
+                                         GLenum pname,
+                                         const GLfixed *params);
+angle::CallCapture CaptureTranslatef(const State &glState,
+                                     bool isCallValid,
+                                     GLfloat x,
+                                     GLfloat y,
+                                     GLfloat z);
+angle::CallCapture CaptureTranslatex(const State &glState,
+                                     bool isCallValid,
+                                     GLfixed x,
+                                     GLfixed y,
+                                     GLfixed z);
+angle::CallCapture CaptureVertexPointer(const State &glState,
+                                        bool isCallValid,
+                                        GLint size,
+                                        VertexAttribType typePacked,
+                                        GLsizei stride,
+                                        const void *pointer);
+
+// Parameter Captures
+
+void CaptureClipPlanef_eqn(const State &glState,
+                           bool isCallValid,
+                           GLenum p,
+                           const GLfloat *eqn,
+                           angle::ParamCapture *paramCapture);
+void CaptureClipPlanex_equation(const State &glState,
+                                bool isCallValid,
+                                GLenum plane,
+                                const GLfixed *equation,
+                                angle::ParamCapture *paramCapture);
+void CaptureColorPointer_pointer(const State &glState,
+                                 bool isCallValid,
+                                 GLint size,
+                                 VertexAttribType typePacked,
+                                 GLsizei stride,
+                                 const void *pointer,
+                                 angle::ParamCapture *paramCapture);
+void CaptureFogfv_params(const State &glState,
+                         bool isCallValid,
+                         GLenum pname,
+                         const GLfloat *params,
+                         angle::ParamCapture *paramCapture);
+void CaptureFogxv_param(const State &glState,
+                        bool isCallValid,
+                        GLenum pname,
+                        const GLfixed *param,
+                        angle::ParamCapture *paramCapture);
+void CaptureGetClipPlanef_equation(const State &glState,
+                                   bool isCallValid,
+                                   GLenum plane,
+                                   GLfloat *equation,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetClipPlanex_equation(const State &glState,
+                                   bool isCallValid,
+                                   GLenum plane,
+                                   GLfixed *equation,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetFixedv_params(const State &glState,
+                             bool isCallValid,
+                             GLenum pname,
+                             GLfixed *params,
+                             angle::ParamCapture *paramCapture);
+void CaptureGetLightfv_params(const State &glState,
+                              bool isCallValid,
+                              GLenum light,
+                              LightParameter pnamePacked,
+                              GLfloat *params,
+                              angle::ParamCapture *paramCapture);
+void CaptureGetLightxv_params(const State &glState,
+                              bool isCallValid,
+                              GLenum light,
+                              LightParameter pnamePacked,
+                              GLfixed *params,
+                              angle::ParamCapture *paramCapture);
+void CaptureGetMaterialfv_params(const State &glState,
+                                 bool isCallValid,
+                                 GLenum face,
+                                 MaterialParameter pnamePacked,
+                                 GLfloat *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetMaterialxv_params(const State &glState,
+                                 bool isCallValid,
+                                 GLenum face,
+                                 MaterialParameter pnamePacked,
+                                 GLfixed *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetTexEnvfv_params(const State &glState,
+                               bool isCallValid,
+                               TextureEnvTarget targetPacked,
+                               TextureEnvParameter pnamePacked,
+                               GLfloat *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetTexEnviv_params(const State &glState,
+                               bool isCallValid,
+                               TextureEnvTarget targetPacked,
+                               TextureEnvParameter pnamePacked,
+                               GLint *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetTexEnvxv_params(const State &glState,
+                               bool isCallValid,
+                               TextureEnvTarget targetPacked,
+                               TextureEnvParameter pnamePacked,
+                               GLfixed *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterxv_params(const State &glState,
+                                     bool isCallValid,
+                                     TextureType targetPacked,
+                                     GLenum pname,
+                                     GLfixed *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureLightModelfv_params(const State &glState,
+                                bool isCallValid,
+                                GLenum pname,
+                                const GLfloat *params,
+                                angle::ParamCapture *paramCapture);
+void CaptureLightModelxv_param(const State &glState,
+                               bool isCallValid,
+                               GLenum pname,
+                               const GLfixed *param,
+                               angle::ParamCapture *paramCapture);
+void CaptureLightfv_params(const State &glState,
+                           bool isCallValid,
+                           GLenum light,
+                           LightParameter pnamePacked,
+                           const GLfloat *params,
+                           angle::ParamCapture *paramCapture);
+void CaptureLightxv_params(const State &glState,
+                           bool isCallValid,
+                           GLenum light,
+                           LightParameter pnamePacked,
+                           const GLfixed *params,
+                           angle::ParamCapture *paramCapture);
+void CaptureLoadMatrixf_m(const State &glState,
+                          bool isCallValid,
+                          const GLfloat *m,
+                          angle::ParamCapture *paramCapture);
+void CaptureLoadMatrixx_m(const State &glState,
+                          bool isCallValid,
+                          const GLfixed *m,
+                          angle::ParamCapture *paramCapture);
+void CaptureMaterialfv_params(const State &glState,
+                              bool isCallValid,
+                              GLenum face,
+                              MaterialParameter pnamePacked,
+                              const GLfloat *params,
+                              angle::ParamCapture *paramCapture);
+void CaptureMaterialxv_param(const State &glState,
+                             bool isCallValid,
+                             GLenum face,
+                             MaterialParameter pnamePacked,
+                             const GLfixed *param,
+                             angle::ParamCapture *paramCapture);
+void CaptureMultMatrixf_m(const State &glState,
+                          bool isCallValid,
+                          const GLfloat *m,
+                          angle::ParamCapture *paramCapture);
+void CaptureMultMatrixx_m(const State &glState,
+                          bool isCallValid,
+                          const GLfixed *m,
+                          angle::ParamCapture *paramCapture);
+void CaptureNormalPointer_pointer(const State &glState,
+                                  bool isCallValid,
+                                  VertexAttribType typePacked,
+                                  GLsizei stride,
+                                  const void *pointer,
+                                  angle::ParamCapture *paramCapture);
+void CapturePointParameterfv_params(const State &glState,
+                                    bool isCallValid,
+                                    PointParameter pnamePacked,
+                                    const GLfloat *params,
+                                    angle::ParamCapture *paramCapture);
+void CapturePointParameterxv_params(const State &glState,
+                                    bool isCallValid,
+                                    PointParameter pnamePacked,
+                                    const GLfixed *params,
+                                    angle::ParamCapture *paramCapture);
+void CaptureTexCoordPointer_pointer(const State &glState,
+                                    bool isCallValid,
+                                    GLint size,
+                                    VertexAttribType typePacked,
+                                    GLsizei stride,
+                                    const void *pointer,
+                                    angle::ParamCapture *paramCapture);
+void CaptureTexEnvfv_params(const State &glState,
+                            bool isCallValid,
+                            TextureEnvTarget targetPacked,
+                            TextureEnvParameter pnamePacked,
+                            const GLfloat *params,
+                            angle::ParamCapture *paramCapture);
+void CaptureTexEnviv_params(const State &glState,
+                            bool isCallValid,
+                            TextureEnvTarget targetPacked,
+                            TextureEnvParameter pnamePacked,
+                            const GLint *params,
+                            angle::ParamCapture *paramCapture);
+void CaptureTexEnvxv_params(const State &glState,
+                            bool isCallValid,
+                            TextureEnvTarget targetPacked,
+                            TextureEnvParameter pnamePacked,
+                            const GLfixed *params,
+                            angle::ParamCapture *paramCapture);
+void CaptureTexParameterxv_params(const State &glState,
+                                  bool isCallValid,
+                                  TextureType targetPacked,
+                                  GLenum pname,
+                                  const GLfixed *params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureVertexPointer_pointer(const State &glState,
+                                  bool isCallValid,
+                                  GLint size,
+                                  VertexAttribType typePacked,
+                                  GLsizei stride,
+                                  const void *pointer,
+                                  angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GLES_1_0_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gles_2_0_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_2_0_autogen.h
new file mode 100644
index 0000000000..d4d1d978a2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_2_0_autogen.h
@@ -0,0 +1,1195 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gles_2_0_autogen.h:
+//   Capture functions for the OpenGL ES 2.0 entry points.
+
+#ifndef LIBANGLE_CAPTURE_GLES_2_0_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GLES_2_0_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+angle::CallCapture CaptureActiveTexture(const State &glState, bool isCallValid, GLenum texture);
+angle::CallCapture CaptureAttachShader(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       ShaderProgramID shaderPacked);
+angle::CallCapture CaptureBindAttribLocation(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLuint index,
+                                             const GLchar *name);
+angle::CallCapture CaptureBindBuffer(const State &glState,
+                                     bool isCallValid,
+                                     BufferBinding targetPacked,
+                                     BufferID bufferPacked);
+angle::CallCapture CaptureBindFramebuffer(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          FramebufferID framebufferPacked);
+angle::CallCapture CaptureBindRenderbuffer(const State &glState,
+                                           bool isCallValid,
+                                           GLenum target,
+                                           RenderbufferID renderbufferPacked);
+angle::CallCapture CaptureBindTexture(const State &glState,
+                                      bool isCallValid,
+                                      TextureType targetPacked,
+                                      TextureID texturePacked);
+angle::CallCapture CaptureBlendColor(const State &glState,
+                                     bool isCallValid,
+                                     GLfloat red,
+                                     GLfloat green,
+                                     GLfloat blue,
+                                     GLfloat alpha);
+angle::CallCapture CaptureBlendEquation(const State &glState, bool isCallValid, GLenum mode);
+angle::CallCapture CaptureBlendEquationSeparate(const State &glState,
+                                                bool isCallValid,
+                                                GLenum modeRGB,
+                                                GLenum modeAlpha);
+angle::CallCapture CaptureBlendFunc(const State &glState,
+                                    bool isCallValid,
+                                    GLenum sfactor,
+                                    GLenum dfactor);
+angle::CallCapture CaptureBlendFuncSeparate(const State &glState,
+                                            bool isCallValid,
+                                            GLenum sfactorRGB,
+                                            GLenum dfactorRGB,
+                                            GLenum sfactorAlpha,
+                                            GLenum dfactorAlpha);
+angle::CallCapture CaptureBufferData(const State &glState,
+                                     bool isCallValid,
+                                     BufferBinding targetPacked,
+                                     GLsizeiptr size,
+                                     const void *data,
+                                     BufferUsage usagePacked);
+angle::CallCapture CaptureBufferSubData(const State &glState,
+                                        bool isCallValid,
+                                        BufferBinding targetPacked,
+                                        GLintptr offset,
+                                        GLsizeiptr size,
+                                        const void *data);
+angle::CallCapture CaptureCheckFramebufferStatus(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum target,
+                                                 GLenum returnValue);
+angle::CallCapture CaptureClear(const State &glState, bool isCallValid, GLbitfield mask);
+angle::CallCapture CaptureClearColor(const State &glState,
+                                     bool isCallValid,
+                                     GLfloat red,
+                                     GLfloat green,
+                                     GLfloat blue,
+                                     GLfloat alpha);
+angle::CallCapture CaptureClearDepthf(const State &glState, bool isCallValid, GLfloat d);
+angle::CallCapture CaptureClearStencil(const State &glState, bool isCallValid, GLint s);
+angle::CallCapture CaptureColorMask(const State &glState,
+                                    bool isCallValid,
+                                    GLboolean red,
+                                    GLboolean green,
+                                    GLboolean blue,
+                                    GLboolean alpha);
+angle::CallCapture CaptureCompileShader(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID shaderPacked);
+angle::CallCapture CaptureCompressedTexImage2D(const State &glState,
+                                               bool isCallValid,
+                                               TextureTarget targetPacked,
+                                               GLint level,
+                                               GLenum internalformat,
+                                               GLsizei width,
+                                               GLsizei height,
+                                               GLint border,
+                                               GLsizei imageSize,
+                                               const void *data);
+angle::CallCapture CaptureCompressedTexSubImage2D(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureTarget targetPacked,
+                                                  GLint level,
+                                                  GLint xoffset,
+                                                  GLint yoffset,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLenum format,
+                                                  GLsizei imageSize,
+                                                  const void *data);
+angle::CallCapture CaptureCopyTexImage2D(const State &glState,
+                                         bool isCallValid,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLint border);
+angle::CallCapture CaptureCopyTexSubImage2D(const State &glState,
+                                            bool isCallValid,
+                                            TextureTarget targetPacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLint x,
+                                            GLint y,
+                                            GLsizei width,
+                                            GLsizei height);
+angle::CallCapture CaptureCreateProgram(const State &glState, bool isCallValid, GLuint returnValue);
+angle::CallCapture CaptureCreateShader(const State &glState,
+                                       bool isCallValid,
+                                       ShaderType typePacked,
+                                       GLuint returnValue);
+angle::CallCapture CaptureCullFace(const State &glState, bool isCallValid, CullFaceMode modePacked);
+angle::CallCapture CaptureDeleteBuffers(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        const BufferID *buffersPacked);
+angle::CallCapture CaptureDeleteFramebuffers(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             const FramebufferID *framebuffersPacked);
+angle::CallCapture CaptureDeleteProgram(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked);
+angle::CallCapture CaptureDeleteRenderbuffers(const State &glState,
+                                              bool isCallValid,
+                                              GLsizei n,
+                                              const RenderbufferID *renderbuffersPacked);
+angle::CallCapture CaptureDeleteShader(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID shaderPacked);
+angle::CallCapture CaptureDeleteTextures(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei n,
+                                         const TextureID *texturesPacked);
+angle::CallCapture CaptureDepthFunc(const State &glState, bool isCallValid, GLenum func);
+angle::CallCapture CaptureDepthMask(const State &glState, bool isCallValid, GLboolean flag);
+angle::CallCapture CaptureDepthRangef(const State &glState, bool isCallValid, GLfloat n, GLfloat f);
+angle::CallCapture CaptureDetachShader(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       ShaderProgramID shaderPacked);
+angle::CallCapture CaptureDisable(const State &glState, bool isCallValid, GLenum cap);
+angle::CallCapture CaptureDisableVertexAttribArray(const State &glState,
+                                                   bool isCallValid,
+                                                   GLuint index);
+angle::CallCapture CaptureDrawArrays(const State &glState,
+                                     bool isCallValid,
+                                     PrimitiveMode modePacked,
+                                     GLint first,
+                                     GLsizei count);
+angle::CallCapture CaptureDrawElements(const State &glState,
+                                       bool isCallValid,
+                                       PrimitiveMode modePacked,
+                                       GLsizei count,
+                                       DrawElementsType typePacked,
+                                       const void *indices);
+angle::CallCapture CaptureEnable(const State &glState, bool isCallValid, GLenum cap);
+angle::CallCapture CaptureEnableVertexAttribArray(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint index);
+angle::CallCapture CaptureFinish(const State &glState, bool isCallValid);
+angle::CallCapture CaptureFlush(const State &glState, bool isCallValid);
+angle::CallCapture CaptureFramebufferRenderbuffer(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum target,
+                                                  GLenum attachment,
+                                                  GLenum renderbuffertarget,
+                                                  RenderbufferID renderbufferPacked);
+angle::CallCapture CaptureFramebufferTexture2D(const State &glState,
+                                               bool isCallValid,
+                                               GLenum target,
+                                               GLenum attachment,
+                                               TextureTarget textargetPacked,
+                                               TextureID texturePacked,
+                                               GLint level);
+angle::CallCapture CaptureFrontFace(const State &glState, bool isCallValid, GLenum mode);
+angle::CallCapture CaptureGenBuffers(const State &glState,
+                                     bool isCallValid,
+                                     GLsizei n,
+                                     BufferID *buffersPacked);
+angle::CallCapture CaptureGenFramebuffers(const State &glState,
+                                          bool isCallValid,
+                                          GLsizei n,
+                                          FramebufferID *framebuffersPacked);
+angle::CallCapture CaptureGenRenderbuffers(const State &glState,
+                                           bool isCallValid,
+                                           GLsizei n,
+                                           RenderbufferID *renderbuffersPacked);
+angle::CallCapture CaptureGenTextures(const State &glState,
+                                      bool isCallValid,
+                                      GLsizei n,
+                                      TextureID *texturesPacked);
+angle::CallCapture CaptureGenerateMipmap(const State &glState,
+                                         bool isCallValid,
+                                         TextureType targetPacked);
+angle::CallCapture CaptureGetActiveAttrib(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          GLuint index,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint *size,
+                                          GLenum *type,
+                                          GLchar *name);
+angle::CallCapture CaptureGetActiveUniform(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           GLuint index,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint *size,
+                                           GLenum *type,
+                                           GLchar *name);
+angle::CallCapture CaptureGetAttachedShaders(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLsizei maxCount,
+                                             GLsizei *count,
+                                             ShaderProgramID *shadersPacked);
+angle::CallCapture CaptureGetAttribLocation(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            const GLchar *name,
+                                            GLint returnValue);
+angle::CallCapture CaptureGetBooleanv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLboolean *data);
+angle::CallCapture CaptureGetBufferParameteriv(const State &glState,
+                                               bool isCallValid,
+                                               BufferBinding targetPacked,
+                                               GLenum pname,
+                                               GLint *params);
+angle::CallCapture CaptureGetError(const State &glState, bool isCallValid, GLenum returnValue);
+angle::CallCapture CaptureGetFloatv(const State &glState,
+                                    bool isCallValid,
+                                    GLenum pname,
+                                    GLfloat *data);
+angle::CallCapture CaptureGetFramebufferAttachmentParameteriv(const State &glState,
+                                                              bool isCallValid,
+                                                              GLenum target,
+                                                              GLenum attachment,
+                                                              GLenum pname,
+                                                              GLint *params);
+angle::CallCapture CaptureGetIntegerv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLint *data);
+angle::CallCapture CaptureGetProgramInfoLog(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLchar *infoLog);
+angle::CallCapture CaptureGetProgramiv(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       GLenum pname,
+                                       GLint *params);
+angle::CallCapture CaptureGetRenderbufferParameteriv(const State &glState,
+                                                     bool isCallValid,
+                                                     GLenum target,
+                                                     GLenum pname,
+                                                     GLint *params);
+angle::CallCapture CaptureGetShaderInfoLog(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID shaderPacked,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLchar *infoLog);
+angle::CallCapture CaptureGetShaderPrecisionFormat(const State &glState,
+                                                   bool isCallValid,
+                                                   GLenum shadertype,
+                                                   GLenum precisiontype,
+                                                   GLint *range,
+                                                   GLint *precision);
+angle::CallCapture CaptureGetShaderSource(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID shaderPacked,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLchar *source);
+angle::CallCapture CaptureGetShaderiv(const State &glState,
+                                      bool isCallValid,
+                                      ShaderProgramID shaderPacked,
+                                      GLenum pname,
+                                      GLint *params);
+angle::CallCapture CaptureGetString(const State &glState,
+                                    bool isCallValid,
+                                    GLenum name,
+                                    const GLubyte *returnValue);
+angle::CallCapture CaptureGetTexParameterfv(const State &glState,
+                                            bool isCallValid,
+                                            TextureType targetPacked,
+                                            GLenum pname,
+                                            GLfloat *params);
+angle::CallCapture CaptureGetTexParameteriv(const State &glState,
+                                            bool isCallValid,
+                                            TextureType targetPacked,
+                                            GLenum pname,
+                                            GLint *params);
+angle::CallCapture CaptureGetUniformLocation(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             const GLchar *name,
+                                             GLint returnValue);
+angle::CallCapture CaptureGetUniformfv(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLfloat *params);
+angle::CallCapture CaptureGetUniformiv(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLint *params);
+angle::CallCapture CaptureGetVertexAttribPointerv(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint index,
+                                                  GLenum pname,
+                                                  void **pointer);
+angle::CallCapture CaptureGetVertexAttribfv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLfloat *params);
+angle::CallCapture CaptureGetVertexAttribiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLint *params);
+angle::CallCapture CaptureHint(const State &glState, bool isCallValid, GLenum target, GLenum mode);
+angle::CallCapture CaptureIsBuffer(const State &glState,
+                                   bool isCallValid,
+                                   BufferID bufferPacked,
+                                   GLboolean returnValue);
+angle::CallCapture CaptureIsEnabled(const State &glState,
+                                    bool isCallValid,
+                                    GLenum cap,
+                                    GLboolean returnValue);
+angle::CallCapture CaptureIsFramebuffer(const State &glState,
+                                        bool isCallValid,
+                                        FramebufferID framebufferPacked,
+                                        GLboolean returnValue);
+angle::CallCapture CaptureIsProgram(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    GLboolean returnValue);
+angle::CallCapture CaptureIsRenderbuffer(const State &glState,
+                                         bool isCallValid,
+                                         RenderbufferID renderbufferPacked,
+                                         GLboolean returnValue);
+angle::CallCapture CaptureIsShader(const State &glState,
+                                   bool isCallValid,
+                                   ShaderProgramID shaderPacked,
+                                   GLboolean returnValue);
+angle::CallCapture CaptureIsTexture(const State &glState,
+                                    bool isCallValid,
+                                    TextureID texturePacked,
+                                    GLboolean returnValue);
+angle::CallCapture CaptureLineWidth(const State &glState, bool isCallValid, GLfloat width);
+angle::CallCapture CaptureLinkProgram(const State &glState,
+                                      bool isCallValid,
+                                      ShaderProgramID programPacked);
+angle::CallCapture CapturePixelStorei(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLint param);
+angle::CallCapture CapturePolygonOffset(const State &glState,
+                                        bool isCallValid,
+                                        GLfloat factor,
+                                        GLfloat units);
+angle::CallCapture CaptureReadPixels(const State &glState,
+                                     bool isCallValid,
+                                     GLint x,
+                                     GLint y,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLenum format,
+                                     GLenum type,
+                                     void *pixels);
+angle::CallCapture CaptureReleaseShaderCompiler(const State &glState, bool isCallValid);
+angle::CallCapture CaptureRenderbufferStorage(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              GLenum internalformat,
+                                              GLsizei width,
+                                              GLsizei height);
+angle::CallCapture CaptureSampleCoverage(const State &glState,
+                                         bool isCallValid,
+                                         GLfloat value,
+                                         GLboolean invert);
+angle::CallCapture CaptureScissor(const State &glState,
+                                  bool isCallValid,
+                                  GLint x,
+                                  GLint y,
+                                  GLsizei width,
+                                  GLsizei height);
+angle::CallCapture CaptureShaderBinary(const State &glState,
+                                       bool isCallValid,
+                                       GLsizei count,
+                                       const ShaderProgramID *shadersPacked,
+                                       GLenum binaryFormat,
+                                       const void *binary,
+                                       GLsizei length);
+angle::CallCapture CaptureShaderSource(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID shaderPacked,
+                                       GLsizei count,
+                                       const GLchar *const *string,
+                                       const GLint *length);
+angle::CallCapture CaptureStencilFunc(const State &glState,
+                                      bool isCallValid,
+                                      GLenum func,
+                                      GLint ref,
+                                      GLuint mask);
+angle::CallCapture CaptureStencilFuncSeparate(const State &glState,
+                                              bool isCallValid,
+                                              GLenum face,
+                                              GLenum func,
+                                              GLint ref,
+                                              GLuint mask);
+angle::CallCapture CaptureStencilMask(const State &glState, bool isCallValid, GLuint mask);
+angle::CallCapture CaptureStencilMaskSeparate(const State &glState,
+                                              bool isCallValid,
+                                              GLenum face,
+                                              GLuint mask);
+angle::CallCapture CaptureStencilOp(const State &glState,
+                                    bool isCallValid,
+                                    GLenum fail,
+                                    GLenum zfail,
+                                    GLenum zpass);
+angle::CallCapture CaptureStencilOpSeparate(const State &glState,
+                                            bool isCallValid,
+                                            GLenum face,
+                                            GLenum sfail,
+                                            GLenum dpfail,
+                                            GLenum dppass);
+angle::CallCapture CaptureTexImage2D(const State &glState,
+                                     bool isCallValid,
+                                     TextureTarget targetPacked,
+                                     GLint level,
+                                     GLint internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *pixels);
+angle::CallCapture CaptureTexParameterf(const State &glState,
+                                        bool isCallValid,
+                                        TextureType targetPacked,
+                                        GLenum pname,
+                                        GLfloat param);
+angle::CallCapture CaptureTexParameterfv(const State &glState,
+                                         bool isCallValid,
+                                         TextureType targetPacked,
+                                         GLenum pname,
+                                         const GLfloat *params);
+angle::CallCapture CaptureTexParameteri(const State &glState,
+                                        bool isCallValid,
+                                        TextureType targetPacked,
+                                        GLenum pname,
+                                        GLint param);
+angle::CallCapture CaptureTexParameteriv(const State &glState,
+                                         bool isCallValid,
+                                         TextureType targetPacked,
+                                         GLenum pname,
+                                         const GLint *params);
+angle::CallCapture CaptureTexSubImage2D(const State &glState,
+                                        bool isCallValid,
+                                        TextureTarget targetPacked,
+                                        GLint level,
+                                        GLint xoffset,
+                                        GLint yoffset,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLenum format,
+                                        GLenum type,
+                                        const void *pixels);
+angle::CallCapture CaptureUniform1f(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLfloat v0);
+angle::CallCapture CaptureUniform1fv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLfloat *value);
+angle::CallCapture CaptureUniform1i(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLint v0);
+angle::CallCapture CaptureUniform1iv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLint *value);
+angle::CallCapture CaptureUniform2f(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLfloat v0,
+                                    GLfloat v1);
+angle::CallCapture CaptureUniform2fv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLfloat *value);
+angle::CallCapture CaptureUniform2i(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLint v0,
+                                    GLint v1);
+angle::CallCapture CaptureUniform2iv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLint *value);
+angle::CallCapture CaptureUniform3f(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLfloat v0,
+                                    GLfloat v1,
+                                    GLfloat v2);
+angle::CallCapture CaptureUniform3fv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLfloat *value);
+angle::CallCapture CaptureUniform3i(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLint v0,
+                                    GLint v1,
+                                    GLint v2);
+angle::CallCapture CaptureUniform3iv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLint *value);
+angle::CallCapture CaptureUniform4f(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLfloat v0,
+                                    GLfloat v1,
+                                    GLfloat v2,
+                                    GLfloat v3);
+angle::CallCapture CaptureUniform4fv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLfloat *value);
+angle::CallCapture CaptureUniform4i(const State &glState,
+                                    bool isCallValid,
+                                    UniformLocation locationPacked,
+                                    GLint v0,
+                                    GLint v1,
+                                    GLint v2,
+                                    GLint v3);
+angle::CallCapture CaptureUniform4iv(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLint *value);
+angle::CallCapture CaptureUniformMatrix2fv(const State &glState,
+                                           bool isCallValid,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+angle::CallCapture CaptureUniformMatrix3fv(const State &glState,
+                                           bool isCallValid,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+angle::CallCapture CaptureUniformMatrix4fv(const State &glState,
+                                           bool isCallValid,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+angle::CallCapture CaptureUseProgram(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked);
+angle::CallCapture CaptureValidateProgram(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked);
+angle::CallCapture CaptureVertexAttrib1f(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLfloat x);
+angle::CallCapture CaptureVertexAttrib1fv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLfloat *v);
+angle::CallCapture CaptureVertexAttrib2f(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLfloat x,
+                                         GLfloat y);
+angle::CallCapture CaptureVertexAttrib2fv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLfloat *v);
+angle::CallCapture CaptureVertexAttrib3f(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLfloat x,
+                                         GLfloat y,
+                                         GLfloat z);
+angle::CallCapture CaptureVertexAttrib3fv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLfloat *v);
+angle::CallCapture CaptureVertexAttrib4f(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLfloat x,
+                                         GLfloat y,
+                                         GLfloat z,
+                                         GLfloat w);
+angle::CallCapture CaptureVertexAttrib4fv(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          const GLfloat *v);
+angle::CallCapture CaptureVertexAttribPointer(const State &glState,
+                                              bool isCallValid,
+                                              GLuint index,
+                                              GLint size,
+                                              VertexAttribType typePacked,
+                                              GLboolean normalized,
+                                              GLsizei stride,
+                                              const void *pointer);
+angle::CallCapture CaptureViewport(const State &glState,
+                                   bool isCallValid,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height);
+
+// Parameter Captures
+
+void CaptureBindAttribLocation_name(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    GLuint index,
+                                    const GLchar *name,
+                                    angle::ParamCapture *paramCapture);
+void CaptureBufferData_data(const State &glState,
+                            bool isCallValid,
+                            BufferBinding targetPacked,
+                            GLsizeiptr size,
+                            const void *data,
+                            BufferUsage usagePacked,
+                            angle::ParamCapture *paramCapture);
+void CaptureBufferSubData_data(const State &glState,
+                               bool isCallValid,
+                               BufferBinding targetPacked,
+                               GLintptr offset,
+                               GLsizeiptr size,
+                               const void *data,
+                               angle::ParamCapture *paramCapture);
+void CaptureCompressedTexImage2D_data(const State &glState,
+                                      bool isCallValid,
+                                      TextureTarget targetPacked,
+                                      GLint level,
+                                      GLenum internalformat,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLint border,
+                                      GLsizei imageSize,
+                                      const void *data,
+                                      angle::ParamCapture *paramCapture);
+void CaptureCompressedTexSubImage2D_data(const State &glState,
+                                         bool isCallValid,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data,
+                                         angle::ParamCapture *paramCapture);
+void CaptureDeleteBuffers_buffersPacked(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        const BufferID *buffersPacked,
+                                        angle::ParamCapture *paramCapture);
+void CaptureDeleteFramebuffers_framebuffersPacked(const State &glState,
+                                                  bool isCallValid,
+                                                  GLsizei n,
+                                                  const FramebufferID *framebuffersPacked,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureDeleteRenderbuffers_renderbuffersPacked(const State &glState,
+                                                    bool isCallValid,
+                                                    GLsizei n,
+                                                    const RenderbufferID *renderbuffersPacked,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureDeleteTextures_texturesPacked(const State &glState,
+                                          bool isCallValid,
+                                          GLsizei n,
+                                          const TextureID *texturesPacked,
+                                          angle::ParamCapture *paramCapture);
+void CaptureDrawElements_indices(const State &glState,
+                                 bool isCallValid,
+                                 PrimitiveMode modePacked,
+                                 GLsizei count,
+                                 DrawElementsType typePacked,
+                                 const void *indices,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGenBuffers_buffersPacked(const State &glState,
+                                     bool isCallValid,
+                                     GLsizei n,
+                                     BufferID *buffersPacked,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGenFramebuffers_framebuffersPacked(const State &glState,
+                                               bool isCallValid,
+                                               GLsizei n,
+                                               FramebufferID *framebuffersPacked,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGenRenderbuffers_renderbuffersPacked(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 RenderbufferID *renderbuffersPacked,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGenTextures_texturesPacked(const State &glState,
+                                       bool isCallValid,
+                                       GLsizei n,
+                                       TextureID *texturesPacked,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetActiveAttrib_length(const State &glState,
+                                   bool isCallValid,
+                                   ShaderProgramID programPacked,
+                                   GLuint index,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLint *size,
+                                   GLenum *type,
+                                   GLchar *name,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetActiveAttrib_size(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 GLuint index,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 GLint *size,
+                                 GLenum *type,
+                                 GLchar *name,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetActiveAttrib_type(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 GLuint index,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 GLint *size,
+                                 GLenum *type,
+                                 GLchar *name,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetActiveAttrib_name(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 GLuint index,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 GLint *size,
+                                 GLenum *type,
+                                 GLchar *name,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniform_length(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    GLuint index,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLint *size,
+                                    GLenum *type,
+                                    GLchar *name,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniform_size(const State &glState,
+                                  bool isCallValid,
+                                  ShaderProgramID programPacked,
+                                  GLuint index,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLint *size,
+                                  GLenum *type,
+                                  GLchar *name,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniform_type(const State &glState,
+                                  bool isCallValid,
+                                  ShaderProgramID programPacked,
+                                  GLuint index,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLint *size,
+                                  GLenum *type,
+                                  GLchar *name,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniform_name(const State &glState,
+                                  bool isCallValid,
+                                  ShaderProgramID programPacked,
+                                  GLuint index,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLint *size,
+                                  GLenum *type,
+                                  GLchar *name,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetAttachedShaders_count(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     GLsizei maxCount,
+                                     GLsizei *count,
+                                     ShaderProgramID *shadersPacked,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetAttachedShaders_shadersPacked(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLsizei maxCount,
+                                             GLsizei *count,
+                                             ShaderProgramID *shadersPacked,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetAttribLocation_name(const State &glState,
+                                   bool isCallValid,
+                                   ShaderProgramID programPacked,
+                                   const GLchar *name,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetBooleanv_data(const State &glState,
+                             bool isCallValid,
+                             GLenum pname,
+                             GLboolean *data,
+                             angle::ParamCapture *paramCapture);
+void CaptureGetBufferParameteriv_params(const State &glState,
+                                        bool isCallValid,
+                                        BufferBinding targetPacked,
+                                        GLenum pname,
+                                        GLint *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetFloatv_data(const State &glState,
+                           bool isCallValid,
+                           GLenum pname,
+                           GLfloat *data,
+                           angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferAttachmentParameteriv_params(const State &glState,
+                                                       bool isCallValid,
+                                                       GLenum target,
+                                                       GLenum attachment,
+                                                       GLenum pname,
+                                                       GLint *params,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureGetIntegerv_data(const State &glState,
+                             bool isCallValid,
+                             GLenum pname,
+                             GLint *data,
+                             angle::ParamCapture *paramCapture);
+void CaptureGetProgramInfoLog_length(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *infoLog,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetProgramInfoLog_infoLog(const State &glState,
+                                      bool isCallValid,
+                                      ShaderProgramID programPacked,
+                                      GLsizei bufSize,
+                                      GLsizei *length,
+                                      GLchar *infoLog,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetProgramiv_params(const State &glState,
+                                bool isCallValid,
+                                ShaderProgramID programPacked,
+                                GLenum pname,
+                                GLint *params,
+                                angle::ParamCapture *paramCapture);
+void CaptureGetRenderbufferParameteriv_params(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              GLenum pname,
+                                              GLint *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetShaderInfoLog_length(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID shaderPacked,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLchar *infoLog,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetShaderInfoLog_infoLog(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID shaderPacked,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *infoLog,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetShaderPrecisionFormat_range(const State &glState,
+                                           bool isCallValid,
+                                           GLenum shadertype,
+                                           GLenum precisiontype,
+                                           GLint *range,
+                                           GLint *precision,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetShaderPrecisionFormat_precision(const State &glState,
+                                               bool isCallValid,
+                                               GLenum shadertype,
+                                               GLenum precisiontype,
+                                               GLint *range,
+                                               GLint *precision,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetShaderSource_length(const State &glState,
+                                   bool isCallValid,
+                                   ShaderProgramID shaderPacked,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLchar *source,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetShaderSource_source(const State &glState,
+                                   bool isCallValid,
+                                   ShaderProgramID shaderPacked,
+                                   GLsizei bufSize,
+                                   GLsizei *length,
+                                   GLchar *source,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetShaderiv_params(const State &glState,
+                               bool isCallValid,
+                               ShaderProgramID shaderPacked,
+                               GLenum pname,
+                               GLint *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterfv_params(const State &glState,
+                                     bool isCallValid,
+                                     TextureType targetPacked,
+                                     GLenum pname,
+                                     GLfloat *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetTexParameteriv_params(const State &glState,
+                                     bool isCallValid,
+                                     TextureType targetPacked,
+                                     GLenum pname,
+                                     GLint *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetUniformLocation_name(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    const GLchar *name,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetUniformfv_params(const State &glState,
+                                bool isCallValid,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLfloat *params,
+                                angle::ParamCapture *paramCapture);
+void CaptureGetUniformiv_params(const State &glState,
+                                bool isCallValid,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLint *params,
+                                angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribPointerv_pointer(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            GLenum pname,
+                                            void **pointer,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribfv_params(const State &glState,
+                                     bool isCallValid,
+                                     GLuint index,
+                                     GLenum pname,
+                                     GLfloat *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribiv_params(const State &glState,
+                                     bool isCallValid,
+                                     GLuint index,
+                                     GLenum pname,
+                                     GLint *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureReadPixels_pixels(const State &glState,
+                              bool isCallValid,
+                              GLint x,
+                              GLint y,
+                              GLsizei width,
+                              GLsizei height,
+                              GLenum format,
+                              GLenum type,
+                              void *pixels,
+                              angle::ParamCapture *paramCapture);
+void CaptureShaderBinary_shadersPacked(const State &glState,
+                                       bool isCallValid,
+                                       GLsizei count,
+                                       const ShaderProgramID *shadersPacked,
+                                       GLenum binaryFormat,
+                                       const void *binary,
+                                       GLsizei length,
+                                       angle::ParamCapture *paramCapture);
+void CaptureShaderBinary_binary(const State &glState,
+                                bool isCallValid,
+                                GLsizei count,
+                                const ShaderProgramID *shadersPacked,
+                                GLenum binaryFormat,
+                                const void *binary,
+                                GLsizei length,
+                                angle::ParamCapture *paramCapture);
+void CaptureShaderSource_string(const State &glState,
+                                bool isCallValid,
+                                ShaderProgramID shaderPacked,
+                                GLsizei count,
+                                const GLchar *const *string,
+                                const GLint *length,
+                                angle::ParamCapture *paramCapture);
+void CaptureShaderSource_length(const State &glState,
+                                bool isCallValid,
+                                ShaderProgramID shaderPacked,
+                                GLsizei count,
+                                const GLchar *const *string,
+                                const GLint *length,
+                                angle::ParamCapture *paramCapture);
+void CaptureTexImage2D_pixels(const State &glState,
+                              bool isCallValid,
+                              TextureTarget targetPacked,
+                              GLint level,
+                              GLint internalformat,
+                              GLsizei width,
+                              GLsizei height,
+                              GLint border,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels,
+                              angle::ParamCapture *paramCapture);
+void CaptureTexParameterfv_params(const State &glState,
+                                  bool isCallValid,
+                                  TextureType targetPacked,
+                                  GLenum pname,
+                                  const GLfloat *params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureTexParameteriv_params(const State &glState,
+                                  bool isCallValid,
+                                  TextureType targetPacked,
+                                  GLenum pname,
+                                  const GLint *params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureTexSubImage2D_pixels(const State &glState,
+                                 bool isCallValid,
+                                 TextureTarget targetPacked,
+                                 GLint level,
+                                 GLint xoffset,
+                                 GLint yoffset,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLenum format,
+                                 GLenum type,
+                                 const void *pixels,
+                                 angle::ParamCapture *paramCapture);
+void CaptureUniform1fv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLfloat *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform1iv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLint *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform2fv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLfloat *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform2iv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLint *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform3fv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLfloat *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform3iv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLint *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform4fv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLfloat *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniform4iv_value(const State &glState,
+                             bool isCallValid,
+                             UniformLocation locationPacked,
+                             GLsizei count,
+                             const GLint *value,
+                             angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix2fv_value(const State &glState,
+                                   bool isCallValid,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   GLboolean transpose,
+                                   const GLfloat *value,
+                                   angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix3fv_value(const State &glState,
+                                   bool isCallValid,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   GLboolean transpose,
+                                   const GLfloat *value,
+                                   angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix4fv_value(const State &glState,
+                                   bool isCallValid,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   GLboolean transpose,
+                                   const GLfloat *value,
+                                   angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib1fv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLfloat *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib2fv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLfloat *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib3fv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLfloat *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttrib4fv_v(const State &glState,
+                              bool isCallValid,
+                              GLuint index,
+                              const GLfloat *v,
+                              angle::ParamCapture *paramCapture);
+void CaptureVertexAttribPointer_pointer(const State &glState,
+                                        bool isCallValid,
+                                        GLuint index,
+                                        GLint size,
+                                        VertexAttribType typePacked,
+                                        GLboolean normalized,
+                                        GLsizei stride,
+                                        const void *pointer,
+                                        angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GLES_2_0_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_0_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_0_autogen.h
new file mode 100644
index 0000000000..83e2f441b4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_0_autogen.h
@@ -0,0 +1,1079 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gles_3_0_autogen.h:
+//   Capture functions for the OpenGL ES 3.0 entry points.
+
+#ifndef LIBANGLE_CAPTURE_GLES_3_0_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GLES_3_0_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+angle::CallCapture CaptureBeginQuery(const State &glState,
+                                     bool isCallValid,
+                                     QueryType targetPacked,
+                                     QueryID idPacked);
+angle::CallCapture CaptureBeginTransformFeedback(const State &glState,
+                                                 bool isCallValid,
+                                                 PrimitiveMode primitiveModePacked);
+angle::CallCapture CaptureBindBufferBase(const State &glState,
+                                         bool isCallValid,
+                                         BufferBinding targetPacked,
+                                         GLuint index,
+                                         BufferID bufferPacked);
+angle::CallCapture CaptureBindBufferRange(const State &glState,
+                                          bool isCallValid,
+                                          BufferBinding targetPacked,
+                                          GLuint index,
+                                          BufferID bufferPacked,
+                                          GLintptr offset,
+                                          GLsizeiptr size);
+angle::CallCapture CaptureBindSampler(const State &glState,
+                                      bool isCallValid,
+                                      GLuint unit,
+                                      SamplerID samplerPacked);
+angle::CallCapture CaptureBindTransformFeedback(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                TransformFeedbackID idPacked);
+angle::CallCapture CaptureBindVertexArray(const State &glState,
+                                          bool isCallValid,
+                                          VertexArrayID arrayPacked);
+angle::CallCapture CaptureBlitFramebuffer(const State &glState,
+                                          bool isCallValid,
+                                          GLint srcX0,
+                                          GLint srcY0,
+                                          GLint srcX1,
+                                          GLint srcY1,
+                                          GLint dstX0,
+                                          GLint dstY0,
+                                          GLint dstX1,
+                                          GLint dstY1,
+                                          GLbitfield mask,
+                                          GLenum filter);
+angle::CallCapture CaptureClearBufferfi(const State &glState,
+                                        bool isCallValid,
+                                        GLenum buffer,
+                                        GLint drawbuffer,
+                                        GLfloat depth,
+                                        GLint stencil);
+angle::CallCapture CaptureClearBufferfv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum buffer,
+                                        GLint drawbuffer,
+                                        const GLfloat *value);
+angle::CallCapture CaptureClearBufferiv(const State &glState,
+                                        bool isCallValid,
+                                        GLenum buffer,
+                                        GLint drawbuffer,
+                                        const GLint *value);
+angle::CallCapture CaptureClearBufferuiv(const State &glState,
+                                         bool isCallValid,
+                                         GLenum buffer,
+                                         GLint drawbuffer,
+                                         const GLuint *value);
+angle::CallCapture CaptureClientWaitSync(const State &glState,
+                                         bool isCallValid,
+                                         GLsync sync,
+                                         GLbitfield flags,
+                                         GLuint64 timeout,
+                                         GLenum returnValue);
+angle::CallCapture CaptureCompressedTexImage3D(const State &glState,
+                                               bool isCallValid,
+                                               TextureTarget targetPacked,
+                                               GLint level,
+                                               GLenum internalformat,
+                                               GLsizei width,
+                                               GLsizei height,
+                                               GLsizei depth,
+                                               GLint border,
+                                               GLsizei imageSize,
+                                               const void *data);
+angle::CallCapture CaptureCompressedTexSubImage3D(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureTarget targetPacked,
+                                                  GLint level,
+                                                  GLint xoffset,
+                                                  GLint yoffset,
+                                                  GLint zoffset,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLsizei depth,
+                                                  GLenum format,
+                                                  GLsizei imageSize,
+                                                  const void *data);
+angle::CallCapture CaptureCopyBufferSubData(const State &glState,
+                                            bool isCallValid,
+                                            BufferBinding readTargetPacked,
+                                            BufferBinding writeTargetPacked,
+                                            GLintptr readOffset,
+                                            GLintptr writeOffset,
+                                            GLsizeiptr size);
+angle::CallCapture CaptureCopyTexSubImage3D(const State &glState,
+                                            bool isCallValid,
+                                            TextureTarget targetPacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLint zoffset,
+                                            GLint x,
+                                            GLint y,
+                                            GLsizei width,
+                                            GLsizei height);
+angle::CallCapture CaptureDeleteQueries(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        const QueryID *idsPacked);
+angle::CallCapture CaptureDeleteSamplers(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei count,
+                                         const SamplerID *samplersPacked);
+angle::CallCapture CaptureDeleteSync(const State &glState, bool isCallValid, GLsync sync);
+angle::CallCapture CaptureDeleteTransformFeedbacks(const State &glState,
+                                                   bool isCallValid,
+                                                   GLsizei n,
+                                                   const TransformFeedbackID *idsPacked);
+angle::CallCapture CaptureDeleteVertexArrays(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             const VertexArrayID *arraysPacked);
+angle::CallCapture CaptureDrawArraysInstanced(const State &glState,
+                                              bool isCallValid,
+                                              PrimitiveMode modePacked,
+                                              GLint first,
+                                              GLsizei count,
+                                              GLsizei instancecount);
+angle::CallCapture CaptureDrawBuffers(const State &glState,
+                                      bool isCallValid,
+                                      GLsizei n,
+                                      const GLenum *bufs);
+angle::CallCapture CaptureDrawElementsInstanced(const State &glState,
+                                                bool isCallValid,
+                                                PrimitiveMode modePacked,
+                                                GLsizei count,
+                                                DrawElementsType typePacked,
+                                                const void *indices,
+                                                GLsizei instancecount);
+angle::CallCapture CaptureDrawRangeElements(const State &glState,
+                                            bool isCallValid,
+                                            PrimitiveMode modePacked,
+                                            GLuint start,
+                                            GLuint end,
+                                            GLsizei count,
+                                            DrawElementsType typePacked,
+                                            const void *indices);
+angle::CallCapture CaptureEndQuery(const State &glState, bool isCallValid, QueryType targetPacked);
+angle::CallCapture CaptureEndTransformFeedback(const State &glState, bool isCallValid);
+angle::CallCapture CaptureFenceSync(const State &glState,
+                                    bool isCallValid,
+                                    GLenum condition,
+                                    GLbitfield flags,
+                                    GLsync returnValue);
+angle::CallCapture CaptureFlushMappedBufferRange(const State &glState,
+                                                 bool isCallValid,
+                                                 BufferBinding targetPacked,
+                                                 GLintptr offset,
+                                                 GLsizeiptr length);
+angle::CallCapture CaptureFramebufferTextureLayer(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum target,
+                                                  GLenum attachment,
+                                                  TextureID texturePacked,
+                                                  GLint level,
+                                                  GLint layer);
+angle::CallCapture CaptureGenQueries(const State &glState,
+                                     bool isCallValid,
+                                     GLsizei n,
+                                     QueryID *idsPacked);
+angle::CallCapture CaptureGenSamplers(const State &glState,
+                                      bool isCallValid,
+                                      GLsizei count,
+                                      SamplerID *samplersPacked);
+angle::CallCapture CaptureGenTransformFeedbacks(const State &glState,
+                                                bool isCallValid,
+                                                GLsizei n,
+                                                TransformFeedbackID *idsPacked);
+angle::CallCapture CaptureGenVertexArrays(const State &glState,
+                                          bool isCallValid,
+                                          GLsizei n,
+                                          VertexArrayID *arraysPacked);
+angle::CallCapture CaptureGetActiveUniformBlockName(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformBlockIndex uniformBlockIndexPacked,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLchar *uniformBlockName);
+angle::CallCapture CaptureGetActiveUniformBlockiv(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformBlockIndex uniformBlockIndexPacked,
+                                                  GLenum pname,
+                                                  GLint *params);
+angle::CallCapture CaptureGetActiveUniformsiv(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              GLsizei uniformCount,
+                                              const GLuint *uniformIndices,
+                                              GLenum pname,
+                                              GLint *params);
+angle::CallCapture CaptureGetBufferParameteri64v(const State &glState,
+                                                 bool isCallValid,
+                                                 BufferBinding targetPacked,
+                                                 GLenum pname,
+                                                 GLint64 *params);
+angle::CallCapture CaptureGetBufferPointerv(const State &glState,
+                                            bool isCallValid,
+                                            BufferBinding targetPacked,
+                                            GLenum pname,
+                                            void **params);
+angle::CallCapture CaptureGetFragDataLocation(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              const GLchar *name,
+                                              GLint returnValue);
+angle::CallCapture CaptureGetInteger64i_v(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLuint index,
+                                          GLint64 *data);
+angle::CallCapture CaptureGetInteger64v(const State &glState,
+                                        bool isCallValid,
+                                        GLenum pname,
+                                        GLint64 *data);
+angle::CallCapture CaptureGetIntegeri_v(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLuint index,
+                                        GLint *data);
+angle::CallCapture CaptureGetInternalformativ(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              GLenum internalformat,
+                                              GLenum pname,
+                                              GLsizei count,
+                                              GLint *params);
+angle::CallCapture CaptureGetProgramBinary(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLenum *binaryFormat,
+                                           void *binary);
+angle::CallCapture CaptureGetQueryObjectuiv(const State &glState,
+                                            bool isCallValid,
+                                            QueryID idPacked,
+                                            GLenum pname,
+                                            GLuint *params);
+angle::CallCapture CaptureGetQueryiv(const State &glState,
+                                     bool isCallValid,
+                                     QueryType targetPacked,
+                                     GLenum pname,
+                                     GLint *params);
+angle::CallCapture CaptureGetSamplerParameterfv(const State &glState,
+                                                bool isCallValid,
+                                                SamplerID samplerPacked,
+                                                GLenum pname,
+                                                GLfloat *params);
+angle::CallCapture CaptureGetSamplerParameteriv(const State &glState,
+                                                bool isCallValid,
+                                                SamplerID samplerPacked,
+                                                GLenum pname,
+                                                GLint *params);
+angle::CallCapture CaptureGetStringi(const State &glState,
+                                     bool isCallValid,
+                                     GLenum name,
+                                     GLuint index,
+                                     const GLubyte *returnValue);
+angle::CallCapture CaptureGetSynciv(const State &glState,
+                                    bool isCallValid,
+                                    GLsync sync,
+                                    GLenum pname,
+                                    GLsizei count,
+                                    GLsizei *length,
+                                    GLint *values);
+angle::CallCapture CaptureGetTransformFeedbackVarying(const State &glState,
+                                                      bool isCallValid,
+                                                      ShaderProgramID programPacked,
+                                                      GLuint index,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      GLsizei *size,
+                                                      GLenum *type,
+                                                      GLchar *name);
+angle::CallCapture CaptureGetUniformBlockIndex(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               const GLchar *uniformBlockName,
+                                               GLuint returnValue);
+angle::CallCapture CaptureGetUniformIndices(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            GLsizei uniformCount,
+                                            const GLchar *const *uniformNames,
+                                            GLuint *uniformIndices);
+angle::CallCapture CaptureGetUniformuiv(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLuint *params);
+angle::CallCapture CaptureGetVertexAttribIiv(const State &glState,
+                                             bool isCallValid,
+                                             GLuint index,
+                                             GLenum pname,
+                                             GLint *params);
+angle::CallCapture CaptureGetVertexAttribIuiv(const State &glState,
+                                              bool isCallValid,
+                                              GLuint index,
+                                              GLenum pname,
+                                              GLuint *params);
+angle::CallCapture CaptureInvalidateFramebuffer(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLsizei numAttachments,
+                                                const GLenum *attachments);
+angle::CallCapture CaptureInvalidateSubFramebuffer(const State &glState,
+                                                   bool isCallValid,
+                                                   GLenum target,
+                                                   GLsizei numAttachments,
+                                                   const GLenum *attachments,
+                                                   GLint x,
+                                                   GLint y,
+                                                   GLsizei width,
+                                                   GLsizei height);
+angle::CallCapture CaptureIsQuery(const State &glState,
+                                  bool isCallValid,
+                                  QueryID idPacked,
+                                  GLboolean returnValue);
+angle::CallCapture CaptureIsSampler(const State &glState,
+                                    bool isCallValid,
+                                    SamplerID samplerPacked,
+                                    GLboolean returnValue);
+angle::CallCapture CaptureIsSync(const State &glState,
+                                 bool isCallValid,
+                                 GLsync sync,
+                                 GLboolean returnValue);
+angle::CallCapture CaptureIsTransformFeedback(const State &glState,
+                                              bool isCallValid,
+                                              TransformFeedbackID idPacked,
+                                              GLboolean returnValue);
+angle::CallCapture CaptureIsVertexArray(const State &glState,
+                                        bool isCallValid,
+                                        VertexArrayID arrayPacked,
+                                        GLboolean returnValue);
+angle::CallCapture CaptureMapBufferRange(const State &glState,
+                                         bool isCallValid,
+                                         BufferBinding targetPacked,
+                                         GLintptr offset,
+                                         GLsizeiptr length,
+                                         GLbitfield access,
+                                         void *returnValue);
+angle::CallCapture CapturePauseTransformFeedback(const State &glState, bool isCallValid);
+angle::CallCapture CaptureProgramBinary(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        GLenum binaryFormat,
+                                        const void *binary,
+                                        GLsizei length);
+angle::CallCapture CaptureProgramParameteri(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            GLenum pname,
+                                            GLint value);
+angle::CallCapture CaptureReadBuffer(const State &glState, bool isCallValid, GLenum src);
+angle::CallCapture CaptureRenderbufferStorageMultisample(const State &glState,
+                                                         bool isCallValid,
+                                                         GLenum target,
+                                                         GLsizei samples,
+                                                         GLenum internalformat,
+                                                         GLsizei width,
+                                                         GLsizei height);
+angle::CallCapture CaptureResumeTransformFeedback(const State &glState, bool isCallValid);
+angle::CallCapture CaptureSamplerParameterf(const State &glState,
+                                            bool isCallValid,
+                                            SamplerID samplerPacked,
+                                            GLenum pname,
+                                            GLfloat param);
+angle::CallCapture CaptureSamplerParameterfv(const State &glState,
+                                             bool isCallValid,
+                                             SamplerID samplerPacked,
+                                             GLenum pname,
+                                             const GLfloat *param);
+angle::CallCapture CaptureSamplerParameteri(const State &glState,
+                                            bool isCallValid,
+                                            SamplerID samplerPacked,
+                                            GLenum pname,
+                                            GLint param);
+angle::CallCapture CaptureSamplerParameteriv(const State &glState,
+                                             bool isCallValid,
+                                             SamplerID samplerPacked,
+                                             GLenum pname,
+                                             const GLint *param);
+angle::CallCapture CaptureTexImage3D(const State &glState,
+                                     bool isCallValid,
+                                     TextureTarget targetPacked,
+                                     GLint level,
+                                     GLint internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *pixels);
+angle::CallCapture CaptureTexStorage2D(const State &glState,
+                                       bool isCallValid,
+                                       TextureType targetPacked,
+                                       GLsizei levels,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height);
+angle::CallCapture CaptureTexStorage3D(const State &glState,
+                                       bool isCallValid,
+                                       TextureType targetPacked,
+                                       GLsizei levels,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth);
+angle::CallCapture CaptureTexSubImage3D(const State &glState,
+                                        bool isCallValid,
+                                        TextureTarget targetPacked,
+                                        GLint level,
+                                        GLint xoffset,
+                                        GLint yoffset,
+                                        GLint zoffset,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        GLenum format,
+                                        GLenum type,
+                                        const void *pixels);
+angle::CallCapture CaptureTransformFeedbackVaryings(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    GLsizei count,
+                                                    const GLchar *const *varyings,
+                                                    GLenum bufferMode);
+angle::CallCapture CaptureUniform1ui(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLuint v0);
+angle::CallCapture CaptureUniform1uiv(const State &glState,
+                                      bool isCallValid,
+                                      UniformLocation locationPacked,
+                                      GLsizei count,
+                                      const GLuint *value);
+angle::CallCapture CaptureUniform2ui(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLuint v0,
+                                     GLuint v1);
+angle::CallCapture CaptureUniform2uiv(const State &glState,
+                                      bool isCallValid,
+                                      UniformLocation locationPacked,
+                                      GLsizei count,
+                                      const GLuint *value);
+angle::CallCapture CaptureUniform3ui(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLuint v0,
+                                     GLuint v1,
+                                     GLuint v2);
+angle::CallCapture CaptureUniform3uiv(const State &glState,
+                                      bool isCallValid,
+                                      UniformLocation locationPacked,
+                                      GLsizei count,
+                                      const GLuint *value);
+angle::CallCapture CaptureUniform4ui(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLuint v0,
+                                     GLuint v1,
+                                     GLuint v2,
+                                     GLuint v3);
+angle::CallCapture CaptureUniform4uiv(const State &glState,
+                                      bool isCallValid,
+                                      UniformLocation locationPacked,
+                                      GLsizei count,
+                                      const GLuint *value);
+angle::CallCapture CaptureUniformBlockBinding(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformBlockIndex uniformBlockIndexPacked,
+                                              GLuint uniformBlockBinding);
+angle::CallCapture CaptureUniformMatrix2x3fv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value);
+angle::CallCapture CaptureUniformMatrix2x4fv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value);
+angle::CallCapture CaptureUniformMatrix3x2fv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value);
+angle::CallCapture CaptureUniformMatrix3x4fv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value);
+angle::CallCapture CaptureUniformMatrix4x2fv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value);
+angle::CallCapture CaptureUniformMatrix4x3fv(const State &glState,
+                                             bool isCallValid,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value);
+angle::CallCapture CaptureUnmapBuffer(const State &glState,
+                                      bool isCallValid,
+                                      BufferBinding targetPacked,
+                                      GLboolean returnValue);
+angle::CallCapture CaptureVertexAttribDivisor(const State &glState,
+                                              bool isCallValid,
+                                              GLuint index,
+                                              GLuint divisor);
+angle::CallCapture CaptureVertexAttribI4i(const State &glState,
+                                          bool isCallValid,
+                                          GLuint index,
+                                          GLint x,
+                                          GLint y,
+                                          GLint z,
+                                          GLint w);
+angle::CallCapture CaptureVertexAttribI4iv(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           const GLint *v);
+angle::CallCapture CaptureVertexAttribI4ui(const State &glState,
+                                           bool isCallValid,
+                                           GLuint index,
+                                           GLuint x,
+                                           GLuint y,
+                                           GLuint z,
+                                           GLuint w);
+angle::CallCapture CaptureVertexAttribI4uiv(const State &glState,
+                                            bool isCallValid,
+                                            GLuint index,
+                                            const GLuint *v);
+angle::CallCapture CaptureVertexAttribIPointer(const State &glState,
+                                               bool isCallValid,
+                                               GLuint index,
+                                               GLint size,
+                                               VertexAttribType typePacked,
+                                               GLsizei stride,
+                                               const void *pointer);
+angle::CallCapture CaptureWaitSync(const State &glState,
+                                   bool isCallValid,
+                                   GLsync sync,
+                                   GLbitfield flags,
+                                   GLuint64 timeout);
+
+// Parameter Captures
+
+void CaptureClearBufferfv_value(const State &glState,
+                                bool isCallValid,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                const GLfloat *value,
+                                angle::ParamCapture *paramCapture);
+void CaptureClearBufferiv_value(const State &glState,
+                                bool isCallValid,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                const GLint *value,
+                                angle::ParamCapture *paramCapture);
+void CaptureClearBufferuiv_value(const State &glState,
+                                 bool isCallValid,
+                                 GLenum buffer,
+                                 GLint drawbuffer,
+                                 const GLuint *value,
+                                 angle::ParamCapture *paramCapture);
+void CaptureCompressedTexImage3D_data(const State &glState,
+                                      bool isCallValid,
+                                      TextureTarget targetPacked,
+                                      GLint level,
+                                      GLenum internalformat,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLsizei depth,
+                                      GLint border,
+                                      GLsizei imageSize,
+                                      const void *data,
+                                      angle::ParamCapture *paramCapture);
+void CaptureCompressedTexSubImage3D_data(const State &glState,
+                                         bool isCallValid,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLint zoffset,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data,
+                                         angle::ParamCapture *paramCapture);
+void CaptureDeleteQueries_idsPacked(const State &glState,
+                                    bool isCallValid,
+                                    GLsizei n,
+                                    const QueryID *idsPacked,
+                                    angle::ParamCapture *paramCapture);
+void CaptureDeleteSamplers_samplersPacked(const State &glState,
+                                          bool isCallValid,
+                                          GLsizei count,
+                                          const SamplerID *samplersPacked,
+                                          angle::ParamCapture *paramCapture);
+void CaptureDeleteTransformFeedbacks_idsPacked(const State &glState,
+                                               bool isCallValid,
+                                               GLsizei n,
+                                               const TransformFeedbackID *idsPacked,
+                                               angle::ParamCapture *paramCapture);
+void CaptureDeleteVertexArrays_arraysPacked(const State &glState,
+                                            bool isCallValid,
+                                            GLsizei n,
+                                            const VertexArrayID *arraysPacked,
+                                            angle::ParamCapture *paramCapture);
+void CaptureDrawBuffers_bufs(const State &glState,
+                             bool isCallValid,
+                             GLsizei n,
+                             const GLenum *bufs,
+                             angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstanced_indices(const State &glState,
+                                          bool isCallValid,
+                                          PrimitiveMode modePacked,
+                                          GLsizei count,
+                                          DrawElementsType typePacked,
+                                          const void *indices,
+                                          GLsizei instancecount,
+                                          angle::ParamCapture *paramCapture);
+void CaptureDrawRangeElements_indices(const State &glState,
+                                      bool isCallValid,
+                                      PrimitiveMode modePacked,
+                                      GLuint start,
+                                      GLuint end,
+                                      GLsizei count,
+                                      DrawElementsType typePacked,
+                                      const void *indices,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGenQueries_idsPacked(const State &glState,
+                                 bool isCallValid,
+                                 GLsizei n,
+                                 QueryID *idsPacked,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGenSamplers_samplersPacked(const State &glState,
+                                       bool isCallValid,
+                                       GLsizei count,
+                                       SamplerID *samplersPacked,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGenTransformFeedbacks_idsPacked(const State &glState,
+                                            bool isCallValid,
+                                            GLsizei n,
+                                            TransformFeedbackID *idsPacked,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGenVertexArrays_arraysPacked(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei n,
+                                         VertexArrayID *arraysPacked,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformBlockName_length(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformBlockIndex uniformBlockIndexPacked,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLchar *uniformBlockName,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformBlockName_uniformBlockName(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       UniformBlockIndex uniformBlockIndexPacked,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLchar *uniformBlockName,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformBlockiv_params(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformBlockIndex uniformBlockIndexPacked,
+                                           GLenum pname,
+                                           GLint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformsiv_uniformIndices(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               GLsizei uniformCount,
+                                               const GLuint *uniformIndices,
+                                               GLenum pname,
+                                               GLint *params,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformsiv_params(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       GLsizei uniformCount,
+                                       const GLuint *uniformIndices,
+                                       GLenum pname,
+                                       GLint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetBufferParameteri64v_params(const State &glState,
+                                          bool isCallValid,
+                                          BufferBinding targetPacked,
+                                          GLenum pname,
+                                          GLint64 *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetBufferPointerv_params(const State &glState,
+                                     bool isCallValid,
+                                     BufferBinding targetPacked,
+                                     GLenum pname,
+                                     void **params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetFragDataLocation_name(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     const GLchar *name,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetInteger64i_v_data(const State &glState,
+                                 bool isCallValid,
+                                 GLenum target,
+                                 GLuint index,
+                                 GLint64 *data,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetInteger64v_data(const State &glState,
+                               bool isCallValid,
+                               GLenum pname,
+                               GLint64 *data,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetIntegeri_v_data(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               GLuint index,
+                               GLint *data,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetInternalformativ_params(const State &glState,
+                                       bool isCallValid,
+                                       GLenum target,
+                                       GLenum internalformat,
+                                       GLenum pname,
+                                       GLsizei count,
+                                       GLint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetProgramBinary_length(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLenum *binaryFormat,
+                                    void *binary,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetProgramBinary_binaryFormat(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLenum *binaryFormat,
+                                          void *binary,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetProgramBinary_binary(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLenum *binaryFormat,
+                                    void *binary,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectuiv_params(const State &glState,
+                                     bool isCallValid,
+                                     QueryID idPacked,
+                                     GLenum pname,
+                                     GLuint *params,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetQueryiv_params(const State &glState,
+                              bool isCallValid,
+                              QueryType targetPacked,
+                              GLenum pname,
+                              GLint *params,
+                              angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterfv_params(const State &glState,
+                                         bool isCallValid,
+                                         SamplerID samplerPacked,
+                                         GLenum pname,
+                                         GLfloat *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameteriv_params(const State &glState,
+                                         bool isCallValid,
+                                         SamplerID samplerPacked,
+                                         GLenum pname,
+                                         GLint *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetSynciv_length(const State &glState,
+                             bool isCallValid,
+                             GLsync sync,
+                             GLenum pname,
+                             GLsizei count,
+                             GLsizei *length,
+                             GLint *values,
+                             angle::ParamCapture *paramCapture);
+void CaptureGetSynciv_values(const State &glState,
+                             bool isCallValid,
+                             GLsync sync,
+                             GLenum pname,
+                             GLsizei count,
+                             GLsizei *length,
+                             GLint *values,
+                             angle::ParamCapture *paramCapture);
+void CaptureGetTransformFeedbackVarying_length(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               GLuint index,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLsizei *size,
+                                               GLenum *type,
+                                               GLchar *name,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetTransformFeedbackVarying_size(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLuint index,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLsizei *size,
+                                             GLenum *type,
+                                             GLchar *name,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetTransformFeedbackVarying_type(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLuint index,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLsizei *size,
+                                             GLenum *type,
+                                             GLchar *name,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetTransformFeedbackVarying_name(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLuint index,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLsizei *size,
+                                             GLenum *type,
+                                             GLchar *name,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetUniformBlockIndex_uniformBlockName(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  const GLchar *uniformBlockName,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetUniformIndices_uniformNames(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           GLsizei uniformCount,
+                                           const GLchar *const *uniformNames,
+                                           GLuint *uniformIndices,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetUniformIndices_uniformIndices(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLsizei uniformCount,
+                                             const GLchar *const *uniformNames,
+                                             GLuint *uniformIndices,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetUniformuiv_params(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLuint *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribIiv_params(const State &glState,
+                                      bool isCallValid,
+                                      GLuint index,
+                                      GLenum pname,
+                                      GLint *params,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribIuiv_params(const State &glState,
+                                       bool isCallValid,
+                                       GLuint index,
+                                       GLenum pname,
+                                       GLuint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureInvalidateFramebuffer_attachments(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              GLsizei numAttachments,
+                                              const GLenum *attachments,
+                                              angle::ParamCapture *paramCapture);
+void CaptureInvalidateSubFramebuffer_attachments(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum target,
+                                                 GLsizei numAttachments,
+                                                 const GLenum *attachments,
+                                                 GLint x,
+                                                 GLint y,
+                                                 GLsizei width,
+                                                 GLsizei height,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureProgramBinary_binary(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 GLenum binaryFormat,
+                                 const void *binary,
+                                 GLsizei length,
+                                 angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterfv_param(const State &glState,
+                                     bool isCallValid,
+                                     SamplerID samplerPacked,
+                                     GLenum pname,
+                                     const GLfloat *param,
+                                     angle::ParamCapture *paramCapture);
+void CaptureSamplerParameteriv_param(const State &glState,
+                                     bool isCallValid,
+                                     SamplerID samplerPacked,
+                                     GLenum pname,
+                                     const GLint *param,
+                                     angle::ParamCapture *paramCapture);
+void CaptureTexImage3D_pixels(const State &glState,
+                              bool isCallValid,
+                              TextureTarget targetPacked,
+                              GLint level,
+                              GLint internalformat,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              GLint border,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels,
+                              angle::ParamCapture *paramCapture);
+void CaptureTexSubImage3D_pixels(const State &glState,
+                                 bool isCallValid,
+                                 TextureTarget targetPacked,
+                                 GLint level,
+                                 GLint xoffset,
+                                 GLint yoffset,
+                                 GLint zoffset,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLsizei depth,
+                                 GLenum format,
+                                 GLenum type,
+                                 const void *pixels,
+                                 angle::ParamCapture *paramCapture);
+void CaptureTransformFeedbackVaryings_varyings(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               GLsizei count,
+                                               const GLchar *const *varyings,
+                                               GLenum bufferMode,
+                                               angle::ParamCapture *paramCapture);
+void CaptureUniform1uiv_value(const State &glState,
+                              bool isCallValid,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              const GLuint *value,
+                              angle::ParamCapture *paramCapture);
+void CaptureUniform2uiv_value(const State &glState,
+                              bool isCallValid,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              const GLuint *value,
+                              angle::ParamCapture *paramCapture);
+void CaptureUniform3uiv_value(const State &glState,
+                              bool isCallValid,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              const GLuint *value,
+                              angle::ParamCapture *paramCapture);
+void CaptureUniform4uiv_value(const State &glState,
+                              bool isCallValid,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              const GLuint *value,
+                              angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix2x3fv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix2x4fv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix3x2fv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix3x4fv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix4x2fv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureUniformMatrix4x3fv_value(const State &glState,
+                                     bool isCallValid,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI4iv_v(const State &glState,
+                               bool isCallValid,
+                               GLuint index,
+                               const GLint *v,
+                               angle::ParamCapture *paramCapture);
+void CaptureVertexAttribI4uiv_v(const State &glState,
+                                bool isCallValid,
+                                GLuint index,
+                                const GLuint *v,
+                                angle::ParamCapture *paramCapture);
+void CaptureVertexAttribIPointer_pointer(const State &glState,
+                                         bool isCallValid,
+                                         GLuint index,
+                                         GLint size,
+                                         VertexAttribType typePacked,
+                                         GLsizei stride,
+                                         const void *pointer,
+                                         angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GLES_3_0_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_1_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_1_autogen.h
new file mode 100644
index 0000000000..ee594a1c79
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_1_autogen.h
@@ -0,0 +1,728 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gles_3_1_autogen.h:
+//   Capture functions for the OpenGL ES 3.1 entry points.
+
+#ifndef LIBANGLE_CAPTURE_GLES_3_1_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GLES_3_1_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+angle::CallCapture CaptureActiveShaderProgram(const State &glState,
+                                              bool isCallValid,
+                                              ProgramPipelineID pipelinePacked,
+                                              ShaderProgramID programPacked);
+angle::CallCapture CaptureBindImageTexture(const State &glState,
+                                           bool isCallValid,
+                                           GLuint unit,
+                                           TextureID texturePacked,
+                                           GLint level,
+                                           GLboolean layered,
+                                           GLint layer,
+                                           GLenum access,
+                                           GLenum format);
+angle::CallCapture CaptureBindProgramPipeline(const State &glState,
+                                              bool isCallValid,
+                                              ProgramPipelineID pipelinePacked);
+angle::CallCapture CaptureBindVertexBuffer(const State &glState,
+                                           bool isCallValid,
+                                           GLuint bindingindex,
+                                           BufferID bufferPacked,
+                                           GLintptr offset,
+                                           GLsizei stride);
+angle::CallCapture CaptureCreateShaderProgramv(const State &glState,
+                                               bool isCallValid,
+                                               ShaderType typePacked,
+                                               GLsizei count,
+                                               const GLchar *const *strings,
+                                               GLuint returnValue);
+angle::CallCapture CaptureDeleteProgramPipelines(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 const ProgramPipelineID *pipelinesPacked);
+angle::CallCapture CaptureDispatchCompute(const State &glState,
+                                          bool isCallValid,
+                                          GLuint num_groups_x,
+                                          GLuint num_groups_y,
+                                          GLuint num_groups_z);
+angle::CallCapture CaptureDispatchComputeIndirect(const State &glState,
+                                                  bool isCallValid,
+                                                  GLintptr indirect);
+angle::CallCapture CaptureDrawArraysIndirect(const State &glState,
+                                             bool isCallValid,
+                                             PrimitiveMode modePacked,
+                                             const void *indirect);
+angle::CallCapture CaptureDrawElementsIndirect(const State &glState,
+                                               bool isCallValid,
+                                               PrimitiveMode modePacked,
+                                               DrawElementsType typePacked,
+                                               const void *indirect);
+angle::CallCapture CaptureFramebufferParameteri(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLenum pname,
+                                                GLint param);
+angle::CallCapture CaptureGenProgramPipelines(const State &glState,
+                                              bool isCallValid,
+                                              GLsizei n,
+                                              ProgramPipelineID *pipelinesPacked);
+angle::CallCapture CaptureGetBooleani_v(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLuint index,
+                                        GLboolean *data);
+angle::CallCapture CaptureGetFramebufferParameteriv(const State &glState,
+                                                    bool isCallValid,
+                                                    GLenum target,
+                                                    GLenum pname,
+                                                    GLint *params);
+angle::CallCapture CaptureGetMultisamplefv(const State &glState,
+                                           bool isCallValid,
+                                           GLenum pname,
+                                           GLuint index,
+                                           GLfloat *val);
+angle::CallCapture CaptureGetProgramInterfaceiv(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                GLenum programInterface,
+                                                GLenum pname,
+                                                GLint *params);
+angle::CallCapture CaptureGetProgramPipelineInfoLog(const State &glState,
+                                                    bool isCallValid,
+                                                    ProgramPipelineID pipelinePacked,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLchar *infoLog);
+angle::CallCapture CaptureGetProgramPipelineiv(const State &glState,
+                                               bool isCallValid,
+                                               ProgramPipelineID pipelinePacked,
+                                               GLenum pname,
+                                               GLint *params);
+angle::CallCapture CaptureGetProgramResourceIndex(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  GLenum programInterface,
+                                                  const GLchar *name,
+                                                  GLuint returnValue);
+angle::CallCapture CaptureGetProgramResourceLocation(const State &glState,
+                                                     bool isCallValid,
+                                                     ShaderProgramID programPacked,
+                                                     GLenum programInterface,
+                                                     const GLchar *name,
+                                                     GLint returnValue);
+angle::CallCapture CaptureGetProgramResourceName(const State &glState,
+                                                 bool isCallValid,
+                                                 ShaderProgramID programPacked,
+                                                 GLenum programInterface,
+                                                 GLuint index,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLchar *name);
+angle::CallCapture CaptureGetProgramResourceiv(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               GLenum programInterface,
+                                               GLuint index,
+                                               GLsizei propCount,
+                                               const GLenum *props,
+                                               GLsizei count,
+                                               GLsizei *length,
+                                               GLint *params);
+angle::CallCapture CaptureGetTexLevelParameterfv(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureTarget targetPacked,
+                                                 GLint level,
+                                                 GLenum pname,
+                                                 GLfloat *params);
+angle::CallCapture CaptureGetTexLevelParameteriv(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureTarget targetPacked,
+                                                 GLint level,
+                                                 GLenum pname,
+                                                 GLint *params);
+angle::CallCapture CaptureIsProgramPipeline(const State &glState,
+                                            bool isCallValid,
+                                            ProgramPipelineID pipelinePacked,
+                                            GLboolean returnValue);
+angle::CallCapture CaptureMemoryBarrier(const State &glState,
+                                        bool isCallValid,
+                                        GLbitfield barriers);
+angle::CallCapture CaptureMemoryBarrierByRegion(const State &glState,
+                                                bool isCallValid,
+                                                GLbitfield barriers);
+angle::CallCapture CaptureProgramUniform1f(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLfloat v0);
+angle::CallCapture CaptureProgramUniform1fv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLfloat *value);
+angle::CallCapture CaptureProgramUniform1i(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLint v0);
+angle::CallCapture CaptureProgramUniform1iv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLint *value);
+angle::CallCapture CaptureProgramUniform1ui(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLuint v0);
+angle::CallCapture CaptureProgramUniform1uiv(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             const GLuint *value);
+angle::CallCapture CaptureProgramUniform2f(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLfloat v0,
+                                           GLfloat v1);
+angle::CallCapture CaptureProgramUniform2fv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLfloat *value);
+angle::CallCapture CaptureProgramUniform2i(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLint v0,
+                                           GLint v1);
+angle::CallCapture CaptureProgramUniform2iv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLint *value);
+angle::CallCapture CaptureProgramUniform2ui(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLuint v0,
+                                            GLuint v1);
+angle::CallCapture CaptureProgramUniform2uiv(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             const GLuint *value);
+angle::CallCapture CaptureProgramUniform3f(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLfloat v0,
+                                           GLfloat v1,
+                                           GLfloat v2);
+angle::CallCapture CaptureProgramUniform3fv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLfloat *value);
+angle::CallCapture CaptureProgramUniform3i(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLint v0,
+                                           GLint v1,
+                                           GLint v2);
+angle::CallCapture CaptureProgramUniform3iv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLint *value);
+angle::CallCapture CaptureProgramUniform3ui(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLuint v0,
+                                            GLuint v1,
+                                            GLuint v2);
+angle::CallCapture CaptureProgramUniform3uiv(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             const GLuint *value);
+angle::CallCapture CaptureProgramUniform4f(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLfloat v0,
+                                           GLfloat v1,
+                                           GLfloat v2,
+                                           GLfloat v3);
+angle::CallCapture CaptureProgramUniform4fv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLfloat *value);
+angle::CallCapture CaptureProgramUniform4i(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLint v0,
+                                           GLint v1,
+                                           GLint v2,
+                                           GLint v3);
+angle::CallCapture CaptureProgramUniform4iv(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            const GLint *value);
+angle::CallCapture CaptureProgramUniform4ui(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLuint v0,
+                                            GLuint v1,
+                                            GLuint v2,
+                                            GLuint v3);
+angle::CallCapture CaptureProgramUniform4uiv(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             const GLuint *value);
+angle::CallCapture CaptureProgramUniformMatrix2fv(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei count,
+                                                  GLboolean transpose,
+                                                  const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix2x3fv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix2x4fv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix3fv(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei count,
+                                                  GLboolean transpose,
+                                                  const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix3x2fv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix3x4fv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix4fv(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei count,
+                                                  GLboolean transpose,
+                                                  const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix4x2fv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix4x3fv(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei count,
+                                                    GLboolean transpose,
+                                                    const GLfloat *value);
+angle::CallCapture CaptureSampleMaski(const State &glState,
+                                      bool isCallValid,
+                                      GLuint maskNumber,
+                                      GLbitfield mask);
+angle::CallCapture CaptureTexStorage2DMultisample(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureType targetPacked,
+                                                  GLsizei samples,
+                                                  GLenum internalformat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLboolean fixedsamplelocations);
+angle::CallCapture CaptureUseProgramStages(const State &glState,
+                                           bool isCallValid,
+                                           ProgramPipelineID pipelinePacked,
+                                           GLbitfield stages,
+                                           ShaderProgramID programPacked);
+angle::CallCapture CaptureValidateProgramPipeline(const State &glState,
+                                                  bool isCallValid,
+                                                  ProgramPipelineID pipelinePacked);
+angle::CallCapture CaptureVertexAttribBinding(const State &glState,
+                                              bool isCallValid,
+                                              GLuint attribindex,
+                                              GLuint bindingindex);
+angle::CallCapture CaptureVertexAttribFormat(const State &glState,
+                                             bool isCallValid,
+                                             GLuint attribindex,
+                                             GLint size,
+                                             VertexAttribType typePacked,
+                                             GLboolean normalized,
+                                             GLuint relativeoffset);
+angle::CallCapture CaptureVertexAttribIFormat(const State &glState,
+                                              bool isCallValid,
+                                              GLuint attribindex,
+                                              GLint size,
+                                              VertexAttribType typePacked,
+                                              GLuint relativeoffset);
+angle::CallCapture CaptureVertexBindingDivisor(const State &glState,
+                                               bool isCallValid,
+                                               GLuint bindingindex,
+                                               GLuint divisor);
+
+// Parameter Captures
+
+void CaptureCreateShaderProgramv_strings(const State &glState,
+                                         bool isCallValid,
+                                         ShaderType typePacked,
+                                         GLsizei count,
+                                         const GLchar *const *strings,
+                                         angle::ParamCapture *paramCapture);
+void CaptureDeleteProgramPipelines_pipelinesPacked(const State &glState,
+                                                   bool isCallValid,
+                                                   GLsizei n,
+                                                   const ProgramPipelineID *pipelinesPacked,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureDrawArraysIndirect_indirect(const State &glState,
+                                        bool isCallValid,
+                                        PrimitiveMode modePacked,
+                                        const void *indirect,
+                                        angle::ParamCapture *paramCapture);
+void CaptureDrawElementsIndirect_indirect(const State &glState,
+                                          bool isCallValid,
+                                          PrimitiveMode modePacked,
+                                          DrawElementsType typePacked,
+                                          const void *indirect,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGenProgramPipelines_pipelinesPacked(const State &glState,
+                                                bool isCallValid,
+                                                GLsizei n,
+                                                ProgramPipelineID *pipelinesPacked,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetBooleani_v_data(const State &glState,
+                               bool isCallValid,
+                               GLenum target,
+                               GLuint index,
+                               GLboolean *data,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferParameteriv_params(const State &glState,
+                                             bool isCallValid,
+                                             GLenum target,
+                                             GLenum pname,
+                                             GLint *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetMultisamplefv_val(const State &glState,
+                                 bool isCallValid,
+                                 GLenum pname,
+                                 GLuint index,
+                                 GLfloat *val,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetProgramInterfaceiv_params(const State &glState,
+                                         bool isCallValid,
+                                         ShaderProgramID programPacked,
+                                         GLenum programInterface,
+                                         GLenum pname,
+                                         GLint *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetProgramPipelineInfoLog_length(const State &glState,
+                                             bool isCallValid,
+                                             ProgramPipelineID pipelinePacked,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLchar *infoLog,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetProgramPipelineInfoLog_infoLog(const State &glState,
+                                              bool isCallValid,
+                                              ProgramPipelineID pipelinePacked,
+                                              GLsizei bufSize,
+                                              GLsizei *length,
+                                              GLchar *infoLog,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetProgramPipelineiv_params(const State &glState,
+                                        bool isCallValid,
+                                        ProgramPipelineID pipelinePacked,
+                                        GLenum pname,
+                                        GLint *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceIndex_name(const State &glState,
+                                         bool isCallValid,
+                                         ShaderProgramID programPacked,
+                                         GLenum programInterface,
+                                         const GLchar *name,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceLocation_name(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            GLenum programInterface,
+                                            const GLchar *name,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceName_length(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          GLenum programInterface,
+                                          GLuint index,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLchar *name,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceName_name(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        GLenum programInterface,
+                                        GLuint index,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLchar *name,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceiv_props(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       GLenum programInterface,
+                                       GLuint index,
+                                       GLsizei propCount,
+                                       const GLenum *props,
+                                       GLsizei count,
+                                       GLsizei *length,
+                                       GLint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceiv_length(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        GLenum programInterface,
+                                        GLuint index,
+                                        GLsizei propCount,
+                                        const GLenum *props,
+                                        GLsizei count,
+                                        GLsizei *length,
+                                        GLint *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceiv_params(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        GLenum programInterface,
+                                        GLuint index,
+                                        GLsizei propCount,
+                                        const GLenum *props,
+                                        GLsizei count,
+                                        GLsizei *length,
+                                        GLint *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameterfv_params(const State &glState,
+                                          bool isCallValid,
+                                          TextureTarget targetPacked,
+                                          GLint level,
+                                          GLenum pname,
+                                          GLfloat *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameteriv_params(const State &glState,
+                                          bool isCallValid,
+                                          TextureTarget targetPacked,
+                                          GLint level,
+                                          GLenum pname,
+                                          GLint *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureProgramUniform1fv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLfloat *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform1iv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform1uiv_value(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLuint *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureProgramUniform2fv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLfloat *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform2iv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform2uiv_value(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLuint *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureProgramUniform3fv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLfloat *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform3iv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform3uiv_value(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLuint *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureProgramUniform4fv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLfloat *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform4iv_value(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLint *value,
+                                    angle::ParamCapture *paramCapture);
+void CaptureProgramUniform4uiv_value(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     const GLuint *value,
+                                     angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2fv_value(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2x3fv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLfloat *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2x4fv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLfloat *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3fv_value(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3x2fv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLfloat *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3x4fv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLfloat *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4fv_value(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value,
+                                          angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4x2fv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLfloat *value,
+                                            angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4x3fv_value(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei count,
+                                            GLboolean transpose,
+                                            const GLfloat *value,
+                                            angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GLES_3_1_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_2_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_2_autogen.h
new file mode 100644
index 0000000000..80001a0348
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_3_2_autogen.h
@@ -0,0 +1,553 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gles_3_2_autogen.h:
+//   Capture functions for the OpenGL ES 3.2 entry points.
+
+#ifndef LIBANGLE_CAPTURE_GLES_3_2_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GLES_3_2_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+angle::CallCapture CaptureBlendBarrier(const State &glState, bool isCallValid);
+angle::CallCapture CaptureBlendEquationSeparatei(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint buf,
+                                                 GLenum modeRGB,
+                                                 GLenum modeAlpha);
+angle::CallCapture CaptureBlendEquationi(const State &glState,
+                                         bool isCallValid,
+                                         GLuint buf,
+                                         GLenum mode);
+angle::CallCapture CaptureBlendFuncSeparatei(const State &glState,
+                                             bool isCallValid,
+                                             GLuint buf,
+                                             GLenum srcRGB,
+                                             GLenum dstRGB,
+                                             GLenum srcAlpha,
+                                             GLenum dstAlpha);
+angle::CallCapture CaptureBlendFunci(const State &glState,
+                                     bool isCallValid,
+                                     GLuint buf,
+                                     GLenum src,
+                                     GLenum dst);
+angle::CallCapture CaptureColorMaski(const State &glState,
+                                     bool isCallValid,
+                                     GLuint index,
+                                     GLboolean r,
+                                     GLboolean g,
+                                     GLboolean b,
+                                     GLboolean a);
+angle::CallCapture CaptureCopyImageSubData(const State &glState,
+                                           bool isCallValid,
+                                           GLuint srcName,
+                                           GLenum srcTarget,
+                                           GLint srcLevel,
+                                           GLint srcX,
+                                           GLint srcY,
+                                           GLint srcZ,
+                                           GLuint dstName,
+                                           GLenum dstTarget,
+                                           GLint dstLevel,
+                                           GLint dstX,
+                                           GLint dstY,
+                                           GLint dstZ,
+                                           GLsizei srcWidth,
+                                           GLsizei srcHeight,
+                                           GLsizei srcDepth);
+angle::CallCapture CaptureDebugMessageCallback(const State &glState,
+                                               bool isCallValid,
+                                               GLDEBUGPROC callback,
+                                               const void *userParam);
+angle::CallCapture CaptureDebugMessageControl(const State &glState,
+                                              bool isCallValid,
+                                              GLenum source,
+                                              GLenum type,
+                                              GLenum severity,
+                                              GLsizei count,
+                                              const GLuint *ids,
+                                              GLboolean enabled);
+angle::CallCapture CaptureDebugMessageInsert(const State &glState,
+                                             bool isCallValid,
+                                             GLenum source,
+                                             GLenum type,
+                                             GLuint id,
+                                             GLenum severity,
+                                             GLsizei length,
+                                             const GLchar *buf);
+angle::CallCapture CaptureDisablei(const State &glState,
+                                   bool isCallValid,
+                                   GLenum target,
+                                   GLuint index);
+angle::CallCapture CaptureDrawElementsBaseVertex(const State &glState,
+                                                 bool isCallValid,
+                                                 PrimitiveMode modePacked,
+                                                 GLsizei count,
+                                                 DrawElementsType typePacked,
+                                                 const void *indices,
+                                                 GLint basevertex);
+angle::CallCapture CaptureDrawElementsInstancedBaseVertex(const State &glState,
+                                                          bool isCallValid,
+                                                          PrimitiveMode modePacked,
+                                                          GLsizei count,
+                                                          DrawElementsType typePacked,
+                                                          const void *indices,
+                                                          GLsizei instancecount,
+                                                          GLint basevertex);
+angle::CallCapture CaptureDrawRangeElementsBaseVertex(const State &glState,
+                                                      bool isCallValid,
+                                                      PrimitiveMode modePacked,
+                                                      GLuint start,
+                                                      GLuint end,
+                                                      GLsizei count,
+                                                      DrawElementsType typePacked,
+                                                      const void *indices,
+                                                      GLint basevertex);
+angle::CallCapture CaptureEnablei(const State &glState,
+                                  bool isCallValid,
+                                  GLenum target,
+                                  GLuint index);
+angle::CallCapture CaptureFramebufferTexture(const State &glState,
+                                             bool isCallValid,
+                                             GLenum target,
+                                             GLenum attachment,
+                                             TextureID texturePacked,
+                                             GLint level);
+angle::CallCapture CaptureGetDebugMessageLog(const State &glState,
+                                             bool isCallValid,
+                                             GLuint count,
+                                             GLsizei bufSize,
+                                             GLenum *sources,
+                                             GLenum *types,
+                                             GLuint *ids,
+                                             GLenum *severities,
+                                             GLsizei *lengths,
+                                             GLchar *messageLog,
+                                             GLuint returnValue);
+angle::CallCapture CaptureGetGraphicsResetStatus(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum returnValue);
+angle::CallCapture CaptureGetObjectLabel(const State &glState,
+                                         bool isCallValid,
+                                         GLenum identifier,
+                                         GLuint name,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLchar *label);
+angle::CallCapture CaptureGetObjectPtrLabel(const State &glState,
+                                            bool isCallValid,
+                                            const void *ptr,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLchar *label);
+angle::CallCapture CaptureGetPointerv(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      void **params);
+angle::CallCapture CaptureGetSamplerParameterIiv(const State &glState,
+                                                 bool isCallValid,
+                                                 SamplerID samplerPacked,
+                                                 GLenum pname,
+                                                 GLint *params);
+angle::CallCapture CaptureGetSamplerParameterIuiv(const State &glState,
+                                                  bool isCallValid,
+                                                  SamplerID samplerPacked,
+                                                  GLenum pname,
+                                                  GLuint *params);
+angle::CallCapture CaptureGetTexParameterIiv(const State &glState,
+                                             bool isCallValid,
+                                             TextureType targetPacked,
+                                             GLenum pname,
+                                             GLint *params);
+angle::CallCapture CaptureGetTexParameterIuiv(const State &glState,
+                                              bool isCallValid,
+                                              TextureType targetPacked,
+                                              GLenum pname,
+                                              GLuint *params);
+angle::CallCapture CaptureGetnUniformfv(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei bufSize,
+                                        GLfloat *params);
+angle::CallCapture CaptureGetnUniformiv(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei bufSize,
+                                        GLint *params);
+angle::CallCapture CaptureGetnUniformuiv(const State &glState,
+                                         bool isCallValid,
+                                         ShaderProgramID programPacked,
+                                         UniformLocation locationPacked,
+                                         GLsizei bufSize,
+                                         GLuint *params);
+angle::CallCapture CaptureIsEnabledi(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLuint index,
+                                     GLboolean returnValue);
+angle::CallCapture CaptureMinSampleShading(const State &glState, bool isCallValid, GLfloat value);
+angle::CallCapture CaptureObjectLabel(const State &glState,
+                                      bool isCallValid,
+                                      GLenum identifier,
+                                      GLuint name,
+                                      GLsizei length,
+                                      const GLchar *label);
+angle::CallCapture CaptureObjectPtrLabel(const State &glState,
+                                         bool isCallValid,
+                                         const void *ptr,
+                                         GLsizei length,
+                                         const GLchar *label);
+angle::CallCapture CapturePatchParameteri(const State &glState,
+                                          bool isCallValid,
+                                          GLenum pname,
+                                          GLint value);
+angle::CallCapture CapturePopDebugGroup(const State &glState, bool isCallValid);
+angle::CallCapture CapturePrimitiveBoundingBox(const State &glState,
+                                               bool isCallValid,
+                                               GLfloat minX,
+                                               GLfloat minY,
+                                               GLfloat minZ,
+                                               GLfloat minW,
+                                               GLfloat maxX,
+                                               GLfloat maxY,
+                                               GLfloat maxZ,
+                                               GLfloat maxW);
+angle::CallCapture CapturePushDebugGroup(const State &glState,
+                                         bool isCallValid,
+                                         GLenum source,
+                                         GLuint id,
+                                         GLsizei length,
+                                         const GLchar *message);
+angle::CallCapture CaptureReadnPixels(const State &glState,
+                                      bool isCallValid,
+                                      GLint x,
+                                      GLint y,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLenum format,
+                                      GLenum type,
+                                      GLsizei bufSize,
+                                      void *data);
+angle::CallCapture CaptureSamplerParameterIiv(const State &glState,
+                                              bool isCallValid,
+                                              SamplerID samplerPacked,
+                                              GLenum pname,
+                                              const GLint *param);
+angle::CallCapture CaptureSamplerParameterIuiv(const State &glState,
+                                               bool isCallValid,
+                                               SamplerID samplerPacked,
+                                               GLenum pname,
+                                               const GLuint *param);
+angle::CallCapture CaptureTexBuffer(const State &glState,
+                                    bool isCallValid,
+                                    TextureType targetPacked,
+                                    GLenum internalformat,
+                                    BufferID bufferPacked);
+angle::CallCapture CaptureTexBufferRange(const State &glState,
+                                         bool isCallValid,
+                                         TextureType targetPacked,
+                                         GLenum internalformat,
+                                         BufferID bufferPacked,
+                                         GLintptr offset,
+                                         GLsizeiptr size);
+angle::CallCapture CaptureTexParameterIiv(const State &glState,
+                                          bool isCallValid,
+                                          TextureType targetPacked,
+                                          GLenum pname,
+                                          const GLint *params);
+angle::CallCapture CaptureTexParameterIuiv(const State &glState,
+                                           bool isCallValid,
+                                           TextureType targetPacked,
+                                           GLenum pname,
+                                           const GLuint *params);
+angle::CallCapture CaptureTexStorage3DMultisample(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureType targetPacked,
+                                                  GLsizei samples,
+                                                  GLenum internalformat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLsizei depth,
+                                                  GLboolean fixedsamplelocations);
+
+// Parameter Captures
+
+void CaptureDebugMessageCallback_userParam(const State &glState,
+                                           bool isCallValid,
+                                           GLDEBUGPROC callback,
+                                           const void *userParam,
+                                           angle::ParamCapture *paramCapture);
+void CaptureDebugMessageControl_ids(const State &glState,
+                                    bool isCallValid,
+                                    GLenum source,
+                                    GLenum type,
+                                    GLenum severity,
+                                    GLsizei count,
+                                    const GLuint *ids,
+                                    GLboolean enabled,
+                                    angle::ParamCapture *paramCapture);
+void CaptureDebugMessageInsert_buf(const State &glState,
+                                   bool isCallValid,
+                                   GLenum source,
+                                   GLenum type,
+                                   GLuint id,
+                                   GLenum severity,
+                                   GLsizei length,
+                                   const GLchar *buf,
+                                   angle::ParamCapture *paramCapture);
+void CaptureDrawElementsBaseVertex_indices(const State &glState,
+                                           bool isCallValid,
+                                           PrimitiveMode modePacked,
+                                           GLsizei count,
+                                           DrawElementsType typePacked,
+                                           const void *indices,
+                                           GLint basevertex,
+                                           angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedBaseVertex_indices(const State &glState,
+                                                    bool isCallValid,
+                                                    PrimitiveMode modePacked,
+                                                    GLsizei count,
+                                                    DrawElementsType typePacked,
+                                                    const void *indices,
+                                                    GLsizei instancecount,
+                                                    GLint basevertex,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureDrawRangeElementsBaseVertex_indices(const State &glState,
+                                                bool isCallValid,
+                                                PrimitiveMode modePacked,
+                                                GLuint start,
+                                                GLuint end,
+                                                GLsizei count,
+                                                DrawElementsType typePacked,
+                                                const void *indices,
+                                                GLint basevertex,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLog_sources(const State &glState,
+                                       bool isCallValid,
+                                       GLuint count,
+                                       GLsizei bufSize,
+                                       GLenum *sources,
+                                       GLenum *types,
+                                       GLuint *ids,
+                                       GLenum *severities,
+                                       GLsizei *lengths,
+                                       GLchar *messageLog,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLog_types(const State &glState,
+                                     bool isCallValid,
+                                     GLuint count,
+                                     GLsizei bufSize,
+                                     GLenum *sources,
+                                     GLenum *types,
+                                     GLuint *ids,
+                                     GLenum *severities,
+                                     GLsizei *lengths,
+                                     GLchar *messageLog,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLog_ids(const State &glState,
+                                   bool isCallValid,
+                                   GLuint count,
+                                   GLsizei bufSize,
+                                   GLenum *sources,
+                                   GLenum *types,
+                                   GLuint *ids,
+                                   GLenum *severities,
+                                   GLsizei *lengths,
+                                   GLchar *messageLog,
+                                   angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLog_severities(const State &glState,
+                                          bool isCallValid,
+                                          GLuint count,
+                                          GLsizei bufSize,
+                                          GLenum *sources,
+                                          GLenum *types,
+                                          GLuint *ids,
+                                          GLenum *severities,
+                                          GLsizei *lengths,
+                                          GLchar *messageLog,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLog_lengths(const State &glState,
+                                       bool isCallValid,
+                                       GLuint count,
+                                       GLsizei bufSize,
+                                       GLenum *sources,
+                                       GLenum *types,
+                                       GLuint *ids,
+                                       GLenum *severities,
+                                       GLsizei *lengths,
+                                       GLchar *messageLog,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLog_messageLog(const State &glState,
+                                          bool isCallValid,
+                                          GLuint count,
+                                          GLsizei bufSize,
+                                          GLenum *sources,
+                                          GLenum *types,
+                                          GLuint *ids,
+                                          GLenum *severities,
+                                          GLsizei *lengths,
+                                          GLchar *messageLog,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetObjectLabel_length(const State &glState,
+                                  bool isCallValid,
+                                  GLenum identifier,
+                                  GLuint name,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLchar *label,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetObjectLabel_label(const State &glState,
+                                 bool isCallValid,
+                                 GLenum identifier,
+                                 GLuint name,
+                                 GLsizei bufSize,
+                                 GLsizei *length,
+                                 GLchar *label,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetObjectPtrLabel_ptr(const State &glState,
+                                  bool isCallValid,
+                                  const void *ptr,
+                                  GLsizei bufSize,
+                                  GLsizei *length,
+                                  GLchar *label,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetObjectPtrLabel_length(const State &glState,
+                                     bool isCallValid,
+                                     const void *ptr,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *label,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetObjectPtrLabel_label(const State &glState,
+                                    bool isCallValid,
+                                    const void *ptr,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLchar *label,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetPointerv_params(const State &glState,
+                               bool isCallValid,
+                               GLenum pname,
+                               void **params,
+                               angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIiv_params(const State &glState,
+                                          bool isCallValid,
+                                          SamplerID samplerPacked,
+                                          GLenum pname,
+                                          GLint *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIuiv_params(const State &glState,
+                                           bool isCallValid,
+                                           SamplerID samplerPacked,
+                                           GLenum pname,
+                                           GLuint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIiv_params(const State &glState,
+                                      bool isCallValid,
+                                      TextureType targetPacked,
+                                      GLenum pname,
+                                      GLint *params,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIuiv_params(const State &glState,
+                                       bool isCallValid,
+                                       TextureType targetPacked,
+                                       GLenum pname,
+                                       GLuint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetnUniformfv_params(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLsizei bufSize,
+                                 GLfloat *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetnUniformiv_params(const State &glState,
+                                 bool isCallValid,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLsizei bufSize,
+                                 GLint *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureGetnUniformuiv_params(const State &glState,
+                                  bool isCallValid,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei bufSize,
+                                  GLuint *params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureObjectLabel_label(const State &glState,
+                              bool isCallValid,
+                              GLenum identifier,
+                              GLuint name,
+                              GLsizei length,
+                              const GLchar *label,
+                              angle::ParamCapture *paramCapture);
+void CaptureObjectPtrLabel_ptr(const State &glState,
+                               bool isCallValid,
+                               const void *ptr,
+                               GLsizei length,
+                               const GLchar *label,
+                               angle::ParamCapture *paramCapture);
+void CaptureObjectPtrLabel_label(const State &glState,
+                                 bool isCallValid,
+                                 const void *ptr,
+                                 GLsizei length,
+                                 const GLchar *label,
+                                 angle::ParamCapture *paramCapture);
+void CapturePushDebugGroup_message(const State &glState,
+                                   bool isCallValid,
+                                   GLenum source,
+                                   GLuint id,
+                                   GLsizei length,
+                                   const GLchar *message,
+                                   angle::ParamCapture *paramCapture);
+void CaptureReadnPixels_data(const State &glState,
+                             bool isCallValid,
+                             GLint x,
+                             GLint y,
+                             GLsizei width,
+                             GLsizei height,
+                             GLenum format,
+                             GLenum type,
+                             GLsizei bufSize,
+                             void *data,
+                             angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIiv_param(const State &glState,
+                                      bool isCallValid,
+                                      SamplerID samplerPacked,
+                                      GLenum pname,
+                                      const GLint *param,
+                                      angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIuiv_param(const State &glState,
+                                       bool isCallValid,
+                                       SamplerID samplerPacked,
+                                       GLenum pname,
+                                       const GLuint *param,
+                                       angle::ParamCapture *paramCapture);
+void CaptureTexParameterIiv_params(const State &glState,
+                                   bool isCallValid,
+                                   TextureType targetPacked,
+                                   GLenum pname,
+                                   const GLint *params,
+                                   angle::ParamCapture *paramCapture);
+void CaptureTexParameterIuiv_params(const State &glState,
+                                    bool isCallValid,
+                                    TextureType targetPacked,
+                                    GLenum pname,
+                                    const GLuint *params,
+                                    angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GLES_3_2_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/capture_gles_ext_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_ext_autogen.h
new file mode 100644
index 0000000000..03211ffeb9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/capture_gles_ext_autogen.h
@@ -0,0 +1,5231 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// capture_gles_ext_autogen.h:
+//   Capture functions for the OpenGL ES extension entry points.
+
+#ifndef LIBANGLE_CAPTURE_GLES_EXT_AUTOGEN_H_
+#define LIBANGLE_CAPTURE_GLES_EXT_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/capture/FrameCapture.h"
+
+namespace gl
+{
+
+// Method Captures
+
+// GL_AMD_performance_monitor
+angle::CallCapture CaptureBeginPerfMonitorAMD(const State &glState,
+                                              bool isCallValid,
+                                              GLuint monitor);
+angle::CallCapture CaptureDeletePerfMonitorsAMD(const State &glState,
+                                                bool isCallValid,
+                                                GLsizei n,
+                                                GLuint *monitors);
+angle::CallCapture CaptureEndPerfMonitorAMD(const State &glState, bool isCallValid, GLuint monitor);
+angle::CallCapture CaptureGenPerfMonitorsAMD(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             GLuint *monitors);
+angle::CallCapture CaptureGetPerfMonitorCounterDataAMD(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint monitor,
+                                                       GLenum pname,
+                                                       GLsizei dataSize,
+                                                       GLuint *data,
+                                                       GLint *bytesWritten);
+angle::CallCapture CaptureGetPerfMonitorCounterInfoAMD(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint group,
+                                                       GLuint counter,
+                                                       GLenum pname,
+                                                       void *data);
+angle::CallCapture CaptureGetPerfMonitorCounterStringAMD(const State &glState,
+                                                         bool isCallValid,
+                                                         GLuint group,
+                                                         GLuint counter,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLchar *counterString);
+angle::CallCapture CaptureGetPerfMonitorCountersAMD(const State &glState,
+                                                    bool isCallValid,
+                                                    GLuint group,
+                                                    GLint *numCounters,
+                                                    GLint *maxActiveCounters,
+                                                    GLsizei counterSize,
+                                                    GLuint *counters);
+angle::CallCapture CaptureGetPerfMonitorGroupStringAMD(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint group,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLchar *groupString);
+angle::CallCapture CaptureGetPerfMonitorGroupsAMD(const State &glState,
+                                                  bool isCallValid,
+                                                  GLint *numGroups,
+                                                  GLsizei groupsSize,
+                                                  GLuint *groups);
+angle::CallCapture CaptureSelectPerfMonitorCountersAMD(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint monitor,
+                                                       GLboolean enable,
+                                                       GLuint group,
+                                                       GLint numCounters,
+                                                       GLuint *counterList);
+
+// GL_ANDROID_extension_pack_es31a
+
+// GL_ANGLE_base_vertex_base_instance
+angle::CallCapture CaptureDrawArraysInstancedBaseInstanceANGLE(const State &glState,
+                                                               bool isCallValid,
+                                                               PrimitiveMode modePacked,
+                                                               GLint first,
+                                                               GLsizei count,
+                                                               GLsizei instanceCount,
+                                                               GLuint baseInstance);
+angle::CallCapture CaptureDrawElementsInstancedBaseVertexBaseInstanceANGLE(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    GLsizei count,
+    DrawElementsType typePacked,
+    const GLvoid *indices,
+    GLsizei instanceCount,
+    GLint baseVertex,
+    GLuint baseInstance);
+angle::CallCapture CaptureMultiDrawArraysInstancedBaseInstanceANGLE(const State &glState,
+                                                                    bool isCallValid,
+                                                                    PrimitiveMode modePacked,
+                                                                    const GLint *firsts,
+                                                                    const GLsizei *counts,
+                                                                    const GLsizei *instanceCounts,
+                                                                    const GLuint *baseInstances,
+                                                                    GLsizei drawcount);
+angle::CallCapture CaptureMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLsizei *counts,
+    DrawElementsType typePacked,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount);
+
+// GL_ANGLE_copy_texture_3d
+angle::CallCapture CaptureCopyTexture3DANGLE(const State &glState,
+                                             bool isCallValid,
+                                             TextureID sourceIdPacked,
+                                             GLint sourceLevel,
+                                             TextureTarget destTargetPacked,
+                                             TextureID destIdPacked,
+                                             GLint destLevel,
+                                             GLint internalFormat,
+                                             GLenum destType,
+                                             GLboolean unpackFlipY,
+                                             GLboolean unpackPremultiplyAlpha,
+                                             GLboolean unpackUnmultiplyAlpha);
+angle::CallCapture CaptureCopySubTexture3DANGLE(const State &glState,
+                                                bool isCallValid,
+                                                TextureID sourceIdPacked,
+                                                GLint sourceLevel,
+                                                TextureTarget destTargetPacked,
+                                                TextureID destIdPacked,
+                                                GLint destLevel,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLint zoffset,
+                                                GLint x,
+                                                GLint y,
+                                                GLint z,
+                                                GLint width,
+                                                GLint height,
+                                                GLint depth,
+                                                GLboolean unpackFlipY,
+                                                GLboolean unpackPremultiplyAlpha,
+                                                GLboolean unpackUnmultiplyAlpha);
+
+// GL_ANGLE_depth_texture
+
+// GL_ANGLE_framebuffer_blit
+angle::CallCapture CaptureBlitFramebufferANGLE(const State &glState,
+                                               bool isCallValid,
+                                               GLint srcX0,
+                                               GLint srcY0,
+                                               GLint srcX1,
+                                               GLint srcY1,
+                                               GLint dstX0,
+                                               GLint dstY0,
+                                               GLint dstX1,
+                                               GLint dstY1,
+                                               GLbitfield mask,
+                                               GLenum filter);
+
+// GL_ANGLE_framebuffer_multisample
+angle::CallCapture CaptureRenderbufferStorageMultisampleANGLE(const State &glState,
+                                                              bool isCallValid,
+                                                              GLenum target,
+                                                              GLsizei samples,
+                                                              GLenum internalformat,
+                                                              GLsizei width,
+                                                              GLsizei height);
+
+// GL_ANGLE_get_image
+angle::CallCapture CaptureGetTexImageANGLE(const State &glState,
+                                           bool isCallValid,
+                                           TextureTarget targetPacked,
+                                           GLint level,
+                                           GLenum format,
+                                           GLenum type,
+                                           void *pixels);
+angle::CallCapture CaptureGetCompressedTexImageANGLE(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureTarget targetPacked,
+                                                     GLint level,
+                                                     void *pixels);
+angle::CallCapture CaptureGetRenderbufferImageANGLE(const State &glState,
+                                                    bool isCallValid,
+                                                    GLenum target,
+                                                    GLenum format,
+                                                    GLenum type,
+                                                    void *pixels);
+
+// GL_ANGLE_get_tex_level_parameter
+angle::CallCapture CaptureGetTexLevelParameterivANGLE(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureTarget targetPacked,
+                                                      GLint level,
+                                                      GLenum pname,
+                                                      GLint *params);
+angle::CallCapture CaptureGetTexLevelParameterfvANGLE(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureTarget targetPacked,
+                                                      GLint level,
+                                                      GLenum pname,
+                                                      GLfloat *params);
+
+// GL_ANGLE_instanced_arrays
+angle::CallCapture CaptureDrawArraysInstancedANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   PrimitiveMode modePacked,
+                                                   GLint first,
+                                                   GLsizei count,
+                                                   GLsizei primcount);
+angle::CallCapture CaptureDrawElementsInstancedANGLE(const State &glState,
+                                                     bool isCallValid,
+                                                     PrimitiveMode modePacked,
+                                                     GLsizei count,
+                                                     DrawElementsType typePacked,
+                                                     const void *indices,
+                                                     GLsizei primcount);
+angle::CallCapture CaptureVertexAttribDivisorANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   GLuint index,
+                                                   GLuint divisor);
+
+// GL_ANGLE_logic_op
+angle::CallCapture CaptureLogicOpANGLE(const State &glState,
+                                       bool isCallValid,
+                                       LogicalOperation opcodePacked);
+
+// GL_ANGLE_memory_object_flags
+angle::CallCapture CaptureTexStorageMemFlags2DANGLE(const State &glState,
+                                                    bool isCallValid,
+                                                    TextureType targetPacked,
+                                                    GLsizei levels,
+                                                    GLenum internalFormat,
+                                                    GLsizei width,
+                                                    GLsizei height,
+                                                    MemoryObjectID memoryPacked,
+                                                    GLuint64 offset,
+                                                    GLbitfield createFlags,
+                                                    GLbitfield usageFlags,
+                                                    const void *imageCreateInfoPNext);
+angle::CallCapture CaptureTexStorageMemFlags2DMultisampleANGLE(const State &glState,
+                                                               bool isCallValid,
+                                                               TextureType targetPacked,
+                                                               GLsizei samples,
+                                                               GLenum internalFormat,
+                                                               GLsizei width,
+                                                               GLsizei height,
+                                                               GLboolean fixedSampleLocations,
+                                                               MemoryObjectID memoryPacked,
+                                                               GLuint64 offset,
+                                                               GLbitfield createFlags,
+                                                               GLbitfield usageFlags,
+                                                               const void *imageCreateInfoPNext);
+angle::CallCapture CaptureTexStorageMemFlags3DANGLE(const State &glState,
+                                                    bool isCallValid,
+                                                    TextureType targetPacked,
+                                                    GLsizei levels,
+                                                    GLenum internalFormat,
+                                                    GLsizei width,
+                                                    GLsizei height,
+                                                    GLsizei depth,
+                                                    MemoryObjectID memoryPacked,
+                                                    GLuint64 offset,
+                                                    GLbitfield createFlags,
+                                                    GLbitfield usageFlags,
+                                                    const void *imageCreateInfoPNext);
+angle::CallCapture CaptureTexStorageMemFlags3DMultisampleANGLE(const State &glState,
+                                                               bool isCallValid,
+                                                               TextureType targetPacked,
+                                                               GLsizei samples,
+                                                               GLenum internalFormat,
+                                                               GLsizei width,
+                                                               GLsizei height,
+                                                               GLsizei depth,
+                                                               GLboolean fixedSampleLocations,
+                                                               MemoryObjectID memoryPacked,
+                                                               GLuint64 offset,
+                                                               GLbitfield createFlags,
+                                                               GLbitfield usageFlags,
+                                                               const void *imageCreateInfoPNext);
+
+// GL_ANGLE_memory_object_fuchsia
+angle::CallCapture CaptureImportMemoryZirconHandleANGLE(const State &glState,
+                                                        bool isCallValid,
+                                                        MemoryObjectID memoryPacked,
+                                                        GLuint64 size,
+                                                        HandleType handleTypePacked,
+                                                        GLuint handle);
+
+// GL_ANGLE_multi_draw
+angle::CallCapture CaptureMultiDrawArraysANGLE(const State &glState,
+                                               bool isCallValid,
+                                               PrimitiveMode modePacked,
+                                               const GLint *firsts,
+                                               const GLsizei *counts,
+                                               GLsizei drawcount);
+angle::CallCapture CaptureMultiDrawArraysInstancedANGLE(const State &glState,
+                                                        bool isCallValid,
+                                                        PrimitiveMode modePacked,
+                                                        const GLint *firsts,
+                                                        const GLsizei *counts,
+                                                        const GLsizei *instanceCounts,
+                                                        GLsizei drawcount);
+angle::CallCapture CaptureMultiDrawElementsANGLE(const State &glState,
+                                                 bool isCallValid,
+                                                 PrimitiveMode modePacked,
+                                                 const GLsizei *counts,
+                                                 DrawElementsType typePacked,
+                                                 const GLvoid *const *indices,
+                                                 GLsizei drawcount);
+angle::CallCapture CaptureMultiDrawElementsInstancedANGLE(const State &glState,
+                                                          bool isCallValid,
+                                                          PrimitiveMode modePacked,
+                                                          const GLsizei *counts,
+                                                          DrawElementsType typePacked,
+                                                          const GLvoid *const *indices,
+                                                          const GLsizei *instanceCounts,
+                                                          GLsizei drawcount);
+
+// GL_ANGLE_pack_reverse_row_order
+
+// GL_ANGLE_program_binary
+
+// GL_ANGLE_provoking_vertex
+angle::CallCapture CaptureProvokingVertexANGLE(const State &glState,
+                                               bool isCallValid,
+                                               ProvokingVertexConvention modePacked);
+
+// GL_ANGLE_request_extension
+angle::CallCapture CaptureRequestExtensionANGLE(const State &glState,
+                                                bool isCallValid,
+                                                const GLchar *name);
+angle::CallCapture CaptureDisableExtensionANGLE(const State &glState,
+                                                bool isCallValid,
+                                                const GLchar *name);
+
+// GL_ANGLE_robust_client_memory
+angle::CallCapture CaptureGetBooleanvRobustANGLE(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLboolean *params);
+angle::CallCapture CaptureGetBufferParameterivRobustANGLE(const State &glState,
+                                                          bool isCallValid,
+                                                          BufferBinding targetPacked,
+                                                          GLenum pname,
+                                                          GLsizei bufSize,
+                                                          GLsizei *length,
+                                                          GLint *params);
+angle::CallCapture CaptureGetFloatvRobustANGLE(const State &glState,
+                                               bool isCallValid,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLfloat *params);
+angle::CallCapture CaptureGetFramebufferAttachmentParameterivRobustANGLE(const State &glState,
+                                                                         bool isCallValid,
+                                                                         GLenum target,
+                                                                         GLenum attachment,
+                                                                         GLenum pname,
+                                                                         GLsizei bufSize,
+                                                                         GLsizei *length,
+                                                                         GLint *params);
+angle::CallCapture CaptureGetIntegervRobustANGLE(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint *data);
+angle::CallCapture CaptureGetProgramivRobustANGLE(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLint *params);
+angle::CallCapture CaptureGetRenderbufferParameterivRobustANGLE(const State &glState,
+                                                                bool isCallValid,
+                                                                GLenum target,
+                                                                GLenum pname,
+                                                                GLsizei bufSize,
+                                                                GLsizei *length,
+                                                                GLint *params);
+angle::CallCapture CaptureGetShaderivRobustANGLE(const State &glState,
+                                                 bool isCallValid,
+                                                 ShaderProgramID shaderPacked,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint *params);
+angle::CallCapture CaptureGetTexParameterfvRobustANGLE(const State &glState,
+                                                       bool isCallValid,
+                                                       TextureType targetPacked,
+                                                       GLenum pname,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLfloat *params);
+angle::CallCapture CaptureGetTexParameterivRobustANGLE(const State &glState,
+                                                       bool isCallValid,
+                                                       TextureType targetPacked,
+                                                       GLenum pname,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLint *params);
+angle::CallCapture CaptureGetUniformfvRobustANGLE(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLfloat *params);
+angle::CallCapture CaptureGetUniformivRobustANGLE(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  UniformLocation locationPacked,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLint *params);
+angle::CallCapture CaptureGetVertexAttribfvRobustANGLE(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint index,
+                                                       GLenum pname,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLfloat *params);
+angle::CallCapture CaptureGetVertexAttribivRobustANGLE(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint index,
+                                                       GLenum pname,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLint *params);
+angle::CallCapture CaptureGetVertexAttribPointervRobustANGLE(const State &glState,
+                                                             bool isCallValid,
+                                                             GLuint index,
+                                                             GLenum pname,
+                                                             GLsizei bufSize,
+                                                             GLsizei *length,
+                                                             void **pointer);
+angle::CallCapture CaptureReadPixelsRobustANGLE(const State &glState,
+                                                bool isCallValid,
+                                                GLint x,
+                                                GLint y,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLenum format,
+                                                GLenum type,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLsizei *columns,
+                                                GLsizei *rows,
+                                                void *pixels);
+angle::CallCapture CaptureTexImage2DRobustANGLE(const State &glState,
+                                                bool isCallValid,
+                                                TextureTarget targetPacked,
+                                                GLint level,
+                                                GLint internalformat,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLint border,
+                                                GLenum format,
+                                                GLenum type,
+                                                GLsizei bufSize,
+                                                const void *pixels);
+angle::CallCapture CaptureTexParameterfvRobustANGLE(const State &glState,
+                                                    bool isCallValid,
+                                                    TextureType targetPacked,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    const GLfloat *params);
+angle::CallCapture CaptureTexParameterivRobustANGLE(const State &glState,
+                                                    bool isCallValid,
+                                                    TextureType targetPacked,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    const GLint *params);
+angle::CallCapture CaptureTexSubImage2DRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   TextureTarget targetPacked,
+                                                   GLint level,
+                                                   GLint xoffset,
+                                                   GLint yoffset,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   GLenum format,
+                                                   GLenum type,
+                                                   GLsizei bufSize,
+                                                   const void *pixels);
+angle::CallCapture CaptureTexImage3DRobustANGLE(const State &glState,
+                                                bool isCallValid,
+                                                TextureTarget targetPacked,
+                                                GLint level,
+                                                GLint internalformat,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth,
+                                                GLint border,
+                                                GLenum format,
+                                                GLenum type,
+                                                GLsizei bufSize,
+                                                const void *pixels);
+angle::CallCapture CaptureTexSubImage3DRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   TextureTarget targetPacked,
+                                                   GLint level,
+                                                   GLint xoffset,
+                                                   GLint yoffset,
+                                                   GLint zoffset,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   GLsizei depth,
+                                                   GLenum format,
+                                                   GLenum type,
+                                                   GLsizei bufSize,
+                                                   const void *pixels);
+angle::CallCapture CaptureCompressedTexImage2DRobustANGLE(const State &glState,
+                                                          bool isCallValid,
+                                                          TextureTarget targetPacked,
+                                                          GLint level,
+                                                          GLenum internalformat,
+                                                          GLsizei width,
+                                                          GLsizei height,
+                                                          GLint border,
+                                                          GLsizei imageSize,
+                                                          GLsizei dataSize,
+                                                          const GLvoid *data);
+angle::CallCapture CaptureCompressedTexSubImage2DRobustANGLE(const State &glState,
+                                                             bool isCallValid,
+                                                             TextureTarget targetPacked,
+                                                             GLint level,
+                                                             GLsizei xoffset,
+                                                             GLsizei yoffset,
+                                                             GLsizei width,
+                                                             GLsizei height,
+                                                             GLenum format,
+                                                             GLsizei imageSize,
+                                                             GLsizei dataSize,
+                                                             const GLvoid *data);
+angle::CallCapture CaptureCompressedTexImage3DRobustANGLE(const State &glState,
+                                                          bool isCallValid,
+                                                          TextureTarget targetPacked,
+                                                          GLint level,
+                                                          GLenum internalformat,
+                                                          GLsizei width,
+                                                          GLsizei height,
+                                                          GLsizei depth,
+                                                          GLint border,
+                                                          GLsizei imageSize,
+                                                          GLsizei dataSize,
+                                                          const GLvoid *data);
+angle::CallCapture CaptureCompressedTexSubImage3DRobustANGLE(const State &glState,
+                                                             bool isCallValid,
+                                                             TextureTarget targetPacked,
+                                                             GLint level,
+                                                             GLint xoffset,
+                                                             GLint yoffset,
+                                                             GLint zoffset,
+                                                             GLsizei width,
+                                                             GLsizei height,
+                                                             GLsizei depth,
+                                                             GLenum format,
+                                                             GLsizei imageSize,
+                                                             GLsizei dataSize,
+                                                             const GLvoid *data);
+angle::CallCapture CaptureGetQueryivRobustANGLE(const State &glState,
+                                                bool isCallValid,
+                                                QueryType targetPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLint *params);
+angle::CallCapture CaptureGetQueryObjectuivRobustANGLE(const State &glState,
+                                                       bool isCallValid,
+                                                       QueryID idPacked,
+                                                       GLenum pname,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLuint *params);
+angle::CallCapture CaptureGetBufferPointervRobustANGLE(const State &glState,
+                                                       bool isCallValid,
+                                                       BufferBinding targetPacked,
+                                                       GLenum pname,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       void **params);
+angle::CallCapture CaptureGetIntegeri_vRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   GLenum target,
+                                                   GLuint index,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLint *data);
+angle::CallCapture CaptureGetInternalformativRobustANGLE(const State &glState,
+                                                         bool isCallValid,
+                                                         GLenum target,
+                                                         GLenum internalformat,
+                                                         GLenum pname,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLint *params);
+angle::CallCapture CaptureGetVertexAttribIivRobustANGLE(const State &glState,
+                                                        bool isCallValid,
+                                                        GLuint index,
+                                                        GLenum pname,
+                                                        GLsizei bufSize,
+                                                        GLsizei *length,
+                                                        GLint *params);
+angle::CallCapture CaptureGetVertexAttribIuivRobustANGLE(const State &glState,
+                                                         bool isCallValid,
+                                                         GLuint index,
+                                                         GLenum pname,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLuint *params);
+angle::CallCapture CaptureGetUniformuivRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   ShaderProgramID programPacked,
+                                                   UniformLocation locationPacked,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLuint *params);
+angle::CallCapture CaptureGetActiveUniformBlockivRobustANGLE(
+    const State &glState,
+    bool isCallValid,
+    ShaderProgramID programPacked,
+    UniformBlockIndex uniformBlockIndexPacked,
+    GLenum pname,
+    GLsizei bufSize,
+    GLsizei *length,
+    GLint *params);
+angle::CallCapture CaptureGetInteger64vRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   GLenum pname,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLint64 *data);
+angle::CallCapture CaptureGetInteger64i_vRobustANGLE(const State &glState,
+                                                     bool isCallValid,
+                                                     GLenum target,
+                                                     GLuint index,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLint64 *data);
+angle::CallCapture CaptureGetBufferParameteri64vRobustANGLE(const State &glState,
+                                                            bool isCallValid,
+                                                            BufferBinding targetPacked,
+                                                            GLenum pname,
+                                                            GLsizei bufSize,
+                                                            GLsizei *length,
+                                                            GLint64 *params);
+angle::CallCapture CaptureSamplerParameterivRobustANGLE(const State &glState,
+                                                        bool isCallValid,
+                                                        SamplerID samplerPacked,
+                                                        GLuint pname,
+                                                        GLsizei bufSize,
+                                                        const GLint *param);
+angle::CallCapture CaptureSamplerParameterfvRobustANGLE(const State &glState,
+                                                        bool isCallValid,
+                                                        SamplerID samplerPacked,
+                                                        GLenum pname,
+                                                        GLsizei bufSize,
+                                                        const GLfloat *param);
+angle::CallCapture CaptureGetSamplerParameterivRobustANGLE(const State &glState,
+                                                           bool isCallValid,
+                                                           SamplerID samplerPacked,
+                                                           GLenum pname,
+                                                           GLsizei bufSize,
+                                                           GLsizei *length,
+                                                           GLint *params);
+angle::CallCapture CaptureGetSamplerParameterfvRobustANGLE(const State &glState,
+                                                           bool isCallValid,
+                                                           SamplerID samplerPacked,
+                                                           GLenum pname,
+                                                           GLsizei bufSize,
+                                                           GLsizei *length,
+                                                           GLfloat *params);
+angle::CallCapture CaptureGetFramebufferParameterivRobustANGLE(const State &glState,
+                                                               bool isCallValid,
+                                                               GLenum target,
+                                                               GLenum pname,
+                                                               GLsizei bufSize,
+                                                               GLsizei *length,
+                                                               GLint *params);
+angle::CallCapture CaptureGetProgramInterfaceivRobustANGLE(const State &glState,
+                                                           bool isCallValid,
+                                                           ShaderProgramID programPacked,
+                                                           GLenum programInterface,
+                                                           GLenum pname,
+                                                           GLsizei bufSize,
+                                                           GLsizei *length,
+                                                           GLint *params);
+angle::CallCapture CaptureGetBooleani_vRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   GLenum target,
+                                                   GLuint index,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLboolean *data);
+angle::CallCapture CaptureGetMultisamplefvRobustANGLE(const State &glState,
+                                                      bool isCallValid,
+                                                      GLenum pname,
+                                                      GLuint index,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      GLfloat *val);
+angle::CallCapture CaptureGetTexLevelParameterivRobustANGLE(const State &glState,
+                                                            bool isCallValid,
+                                                            TextureTarget targetPacked,
+                                                            GLint level,
+                                                            GLenum pname,
+                                                            GLsizei bufSize,
+                                                            GLsizei *length,
+                                                            GLint *params);
+angle::CallCapture CaptureGetTexLevelParameterfvRobustANGLE(const State &glState,
+                                                            bool isCallValid,
+                                                            TextureTarget targetPacked,
+                                                            GLint level,
+                                                            GLenum pname,
+                                                            GLsizei bufSize,
+                                                            GLsizei *length,
+                                                            GLfloat *params);
+angle::CallCapture CaptureGetPointervRobustANGLERobustANGLE(const State &glState,
+                                                            bool isCallValid,
+                                                            GLenum pname,
+                                                            GLsizei bufSize,
+                                                            GLsizei *length,
+                                                            void **params);
+angle::CallCapture CaptureReadnPixelsRobustANGLE(const State &glState,
+                                                 bool isCallValid,
+                                                 GLint x,
+                                                 GLint y,
+                                                 GLsizei width,
+                                                 GLsizei height,
+                                                 GLenum format,
+                                                 GLenum type,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLsizei *columns,
+                                                 GLsizei *rows,
+                                                 void *data);
+angle::CallCapture CaptureGetnUniformfvRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   ShaderProgramID programPacked,
+                                                   UniformLocation locationPacked,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLfloat *params);
+angle::CallCapture CaptureGetnUniformivRobustANGLE(const State &glState,
+                                                   bool isCallValid,
+                                                   ShaderProgramID programPacked,
+                                                   UniformLocation locationPacked,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLint *params);
+angle::CallCapture CaptureGetnUniformuivRobustANGLE(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    UniformLocation locationPacked,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLuint *params);
+angle::CallCapture CaptureTexParameterIivRobustANGLE(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureType targetPacked,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     const GLint *params);
+angle::CallCapture CaptureTexParameterIuivRobustANGLE(const State &glState,
+                                                      bool isCallValid,
+                                                      TextureType targetPacked,
+                                                      GLenum pname,
+                                                      GLsizei bufSize,
+                                                      const GLuint *params);
+angle::CallCapture CaptureGetTexParameterIivRobustANGLE(const State &glState,
+                                                        bool isCallValid,
+                                                        TextureType targetPacked,
+                                                        GLenum pname,
+                                                        GLsizei bufSize,
+                                                        GLsizei *length,
+                                                        GLint *params);
+angle::CallCapture CaptureGetTexParameterIuivRobustANGLE(const State &glState,
+                                                         bool isCallValid,
+                                                         TextureType targetPacked,
+                                                         GLenum pname,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLuint *params);
+angle::CallCapture CaptureSamplerParameterIivRobustANGLE(const State &glState,
+                                                         bool isCallValid,
+                                                         SamplerID samplerPacked,
+                                                         GLenum pname,
+                                                         GLsizei bufSize,
+                                                         const GLint *param);
+angle::CallCapture CaptureSamplerParameterIuivRobustANGLE(const State &glState,
+                                                          bool isCallValid,
+                                                          SamplerID samplerPacked,
+                                                          GLenum pname,
+                                                          GLsizei bufSize,
+                                                          const GLuint *param);
+angle::CallCapture CaptureGetSamplerParameterIivRobustANGLE(const State &glState,
+                                                            bool isCallValid,
+                                                            SamplerID samplerPacked,
+                                                            GLenum pname,
+                                                            GLsizei bufSize,
+                                                            GLsizei *length,
+                                                            GLint *params);
+angle::CallCapture CaptureGetSamplerParameterIuivRobustANGLE(const State &glState,
+                                                             bool isCallValid,
+                                                             SamplerID samplerPacked,
+                                                             GLenum pname,
+                                                             GLsizei bufSize,
+                                                             GLsizei *length,
+                                                             GLuint *params);
+angle::CallCapture CaptureGetQueryObjectivRobustANGLE(const State &glState,
+                                                      bool isCallValid,
+                                                      QueryID idPacked,
+                                                      GLenum pname,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      GLint *params);
+angle::CallCapture CaptureGetQueryObjecti64vRobustANGLE(const State &glState,
+                                                        bool isCallValid,
+                                                        QueryID idPacked,
+                                                        GLenum pname,
+                                                        GLsizei bufSize,
+                                                        GLsizei *length,
+                                                        GLint64 *params);
+angle::CallCapture CaptureGetQueryObjectui64vRobustANGLE(const State &glState,
+                                                         bool isCallValid,
+                                                         QueryID idPacked,
+                                                         GLenum pname,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLuint64 *params);
+
+// GL_ANGLE_robust_resource_initialization
+
+// GL_ANGLE_semaphore_fuchsia
+angle::CallCapture CaptureImportSemaphoreZirconHandleANGLE(const State &glState,
+                                                           bool isCallValid,
+                                                           SemaphoreID semaphorePacked,
+                                                           HandleType handleTypePacked,
+                                                           GLuint handle);
+
+// GL_ANGLE_shader_pixel_local_storage
+angle::CallCapture CaptureFramebufferMemorylessPixelLocalStorageANGLE(const State &glState,
+                                                                      bool isCallValid,
+                                                                      GLint plane,
+                                                                      GLenum internalformat);
+angle::CallCapture CaptureFramebufferTexturePixelLocalStorageANGLE(const State &glState,
+                                                                   bool isCallValid,
+                                                                   GLint plane,
+                                                                   TextureID backingtexturePacked,
+                                                                   GLint level,
+                                                                   GLint layer);
+angle::CallCapture CaptureBeginPixelLocalStorageANGLE(const State &glState,
+                                                      bool isCallValid,
+                                                      GLsizei planes,
+                                                      const GLenum *loadops,
+                                                      const void *cleardata);
+angle::CallCapture CaptureEndPixelLocalStorageANGLE(const State &glState, bool isCallValid);
+angle::CallCapture CapturePixelLocalStorageBarrierANGLE(const State &glState, bool isCallValid);
+
+// GL_ANGLE_texture_compression_dxt3
+
+// GL_ANGLE_texture_compression_dxt5
+
+// GL_ANGLE_texture_external_update
+angle::CallCapture CaptureTexImage2DExternalANGLE(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureTarget targetPacked,
+                                                  GLint level,
+                                                  GLint internalformat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLint border,
+                                                  GLenum format,
+                                                  GLenum type);
+angle::CallCapture CaptureInvalidateTextureANGLE(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureType targetPacked);
+
+// GL_ANGLE_texture_multisample
+angle::CallCapture CaptureTexStorage2DMultisampleANGLE(const State &glState,
+                                                       bool isCallValid,
+                                                       TextureType targetPacked,
+                                                       GLsizei samples,
+                                                       GLenum internalformat,
+                                                       GLsizei width,
+                                                       GLsizei height,
+                                                       GLboolean fixedsamplelocations);
+angle::CallCapture CaptureGetMultisamplefvANGLE(const State &glState,
+                                                bool isCallValid,
+                                                GLenum pname,
+                                                GLuint index,
+                                                GLfloat *val);
+angle::CallCapture CaptureSampleMaskiANGLE(const State &glState,
+                                           bool isCallValid,
+                                           GLuint maskNumber,
+                                           GLbitfield mask);
+
+// GL_ANGLE_texture_usage
+
+// GL_ANGLE_translated_shader_source
+angle::CallCapture CaptureGetTranslatedShaderSourceANGLE(const State &glState,
+                                                         bool isCallValid,
+                                                         ShaderProgramID shaderPacked,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLchar *source);
+
+// GL_ANGLE_vulkan_image
+angle::CallCapture CaptureAcquireTexturesANGLE(const State &glState,
+                                               bool isCallValid,
+                                               GLuint numTextures,
+                                               const TextureID *texturesPacked,
+                                               const GLenum *layouts);
+angle::CallCapture CaptureReleaseTexturesANGLE(const State &glState,
+                                               bool isCallValid,
+                                               GLuint numTextures,
+                                               const TextureID *texturesPacked,
+                                               GLenum *layouts);
+
+// GL_APPLE_clip_distance
+
+// GL_ARB_sync
+
+// GL_CHROMIUM_bind_uniform_location
+angle::CallCapture CaptureBindUniformLocationCHROMIUM(const State &glState,
+                                                      bool isCallValid,
+                                                      ShaderProgramID programPacked,
+                                                      UniformLocation locationPacked,
+                                                      const GLchar *name);
+
+// GL_CHROMIUM_copy_compressed_texture
+angle::CallCapture CaptureCompressedCopyTextureCHROMIUM(const State &glState,
+                                                        bool isCallValid,
+                                                        TextureID sourceIdPacked,
+                                                        TextureID destIdPacked);
+
+// GL_CHROMIUM_copy_texture
+angle::CallCapture CaptureCopyTextureCHROMIUM(const State &glState,
+                                              bool isCallValid,
+                                              TextureID sourceIdPacked,
+                                              GLint sourceLevel,
+                                              TextureTarget destTargetPacked,
+                                              TextureID destIdPacked,
+                                              GLint destLevel,
+                                              GLint internalFormat,
+                                              GLenum destType,
+                                              GLboolean unpackFlipY,
+                                              GLboolean unpackPremultiplyAlpha,
+                                              GLboolean unpackUnmultiplyAlpha);
+angle::CallCapture CaptureCopySubTextureCHROMIUM(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureID sourceIdPacked,
+                                                 GLint sourceLevel,
+                                                 TextureTarget destTargetPacked,
+                                                 TextureID destIdPacked,
+                                                 GLint destLevel,
+                                                 GLint xoffset,
+                                                 GLint yoffset,
+                                                 GLint x,
+                                                 GLint y,
+                                                 GLint width,
+                                                 GLint height,
+                                                 GLboolean unpackFlipY,
+                                                 GLboolean unpackPremultiplyAlpha,
+                                                 GLboolean unpackUnmultiplyAlpha);
+
+// GL_CHROMIUM_framebuffer_mixed_samples
+angle::CallCapture CaptureCoverageModulationCHROMIUM(const State &glState,
+                                                     bool isCallValid,
+                                                     GLenum components);
+
+// GL_CHROMIUM_lose_context
+angle::CallCapture CaptureLoseContextCHROMIUM(const State &glState,
+                                              bool isCallValid,
+                                              GraphicsResetStatus currentPacked,
+                                              GraphicsResetStatus otherPacked);
+
+// GL_EXT_EGL_image_array
+
+// GL_EXT_EGL_image_storage
+angle::CallCapture CaptureEGLImageTargetTexStorageEXT(const State &glState,
+                                                      bool isCallValid,
+                                                      GLenum target,
+                                                      GLeglImageOES image,
+                                                      const GLint *attrib_list);
+angle::CallCapture CaptureEGLImageTargetTextureStorageEXT(const State &glState,
+                                                          bool isCallValid,
+                                                          GLuint texture,
+                                                          GLeglImageOES image,
+                                                          const GLint *attrib_list);
+
+// GL_EXT_YUV_target
+
+// GL_EXT_base_instance
+angle::CallCapture CaptureDrawArraysInstancedBaseInstanceEXT(const State &glState,
+                                                             bool isCallValid,
+                                                             PrimitiveMode modePacked,
+                                                             GLint first,
+                                                             GLsizei count,
+                                                             GLsizei instancecount,
+                                                             GLuint baseinstance);
+angle::CallCapture CaptureDrawElementsInstancedBaseInstanceEXT(const State &glState,
+                                                               bool isCallValid,
+                                                               PrimitiveMode modePacked,
+                                                               GLsizei count,
+                                                               DrawElementsType typePacked,
+                                                               const void *indices,
+                                                               GLsizei instancecount,
+                                                               GLuint baseinstance);
+angle::CallCapture CaptureDrawElementsInstancedBaseVertexBaseInstanceEXT(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    GLsizei count,
+    DrawElementsType typePacked,
+    const void *indices,
+    GLsizei instancecount,
+    GLint basevertex,
+    GLuint baseinstance);
+
+// GL_EXT_blend_func_extended
+angle::CallCapture CaptureBindFragDataLocationEXT(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID programPacked,
+                                                  GLuint color,
+                                                  const GLchar *name);
+angle::CallCapture CaptureBindFragDataLocationIndexedEXT(const State &glState,
+                                                         bool isCallValid,
+                                                         ShaderProgramID programPacked,
+                                                         GLuint colorNumber,
+                                                         GLuint index,
+                                                         const GLchar *name);
+angle::CallCapture CaptureGetFragDataIndexEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              const GLchar *name,
+                                              GLint returnValue);
+angle::CallCapture CaptureGetProgramResourceLocationIndexEXT(const State &glState,
+                                                             bool isCallValid,
+                                                             ShaderProgramID programPacked,
+                                                             GLenum programInterface,
+                                                             const GLchar *name,
+                                                             GLint returnValue);
+
+// GL_EXT_blend_minmax
+
+// GL_EXT_buffer_storage
+angle::CallCapture CaptureBufferStorageEXT(const State &glState,
+                                           bool isCallValid,
+                                           BufferBinding targetPacked,
+                                           GLsizeiptr size,
+                                           const void *data,
+                                           GLbitfield flags);
+
+// GL_EXT_clip_control
+angle::CallCapture CaptureClipControlEXT(const State &glState,
+                                         bool isCallValid,
+                                         GLenum origin,
+                                         GLenum depth);
+
+// GL_EXT_clip_cull_distance
+
+// GL_EXT_color_buffer_float
+
+// GL_EXT_color_buffer_half_float
+
+// GL_EXT_copy_image
+angle::CallCapture CaptureCopyImageSubDataEXT(const State &glState,
+                                              bool isCallValid,
+                                              GLuint srcName,
+                                              GLenum srcTarget,
+                                              GLint srcLevel,
+                                              GLint srcX,
+                                              GLint srcY,
+                                              GLint srcZ,
+                                              GLuint dstName,
+                                              GLenum dstTarget,
+                                              GLint dstLevel,
+                                              GLint dstX,
+                                              GLint dstY,
+                                              GLint dstZ,
+                                              GLsizei srcWidth,
+                                              GLsizei srcHeight,
+                                              GLsizei srcDepth);
+
+// GL_EXT_debug_label
+angle::CallCapture CaptureGetObjectLabelEXT(const State &glState,
+                                            bool isCallValid,
+                                            GLenum type,
+                                            GLuint object,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLchar *label);
+angle::CallCapture CaptureLabelObjectEXT(const State &glState,
+                                         bool isCallValid,
+                                         GLenum type,
+                                         GLuint object,
+                                         GLsizei length,
+                                         const GLchar *label);
+
+// GL_EXT_debug_marker
+angle::CallCapture CaptureInsertEventMarkerEXT(const State &glState,
+                                               bool isCallValid,
+                                               GLsizei length,
+                                               const GLchar *marker);
+angle::CallCapture CapturePopGroupMarkerEXT(const State &glState, bool isCallValid);
+angle::CallCapture CapturePushGroupMarkerEXT(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei length,
+                                             const GLchar *marker);
+
+// GL_EXT_discard_framebuffer
+angle::CallCapture CaptureDiscardFramebufferEXT(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLsizei numAttachments,
+                                                const GLenum *attachments);
+
+// GL_EXT_disjoint_timer_query
+angle::CallCapture CaptureBeginQueryEXT(const State &glState,
+                                        bool isCallValid,
+                                        QueryType targetPacked,
+                                        QueryID idPacked);
+angle::CallCapture CaptureDeleteQueriesEXT(const State &glState,
+                                           bool isCallValid,
+                                           GLsizei n,
+                                           const QueryID *idsPacked);
+angle::CallCapture CaptureEndQueryEXT(const State &glState,
+                                      bool isCallValid,
+                                      QueryType targetPacked);
+angle::CallCapture CaptureGenQueriesEXT(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        QueryID *idsPacked);
+angle::CallCapture CaptureGetInteger64vEXT(const State &glState,
+                                           bool isCallValid,
+                                           GLenum pname,
+                                           GLint64 *data);
+angle::CallCapture CaptureGetQueryObjecti64vEXT(const State &glState,
+                                                bool isCallValid,
+                                                QueryID idPacked,
+                                                GLenum pname,
+                                                GLint64 *params);
+angle::CallCapture CaptureGetQueryObjectivEXT(const State &glState,
+                                              bool isCallValid,
+                                              QueryID idPacked,
+                                              GLenum pname,
+                                              GLint *params);
+angle::CallCapture CaptureGetQueryObjectui64vEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 QueryID idPacked,
+                                                 GLenum pname,
+                                                 GLuint64 *params);
+angle::CallCapture CaptureGetQueryObjectuivEXT(const State &glState,
+                                               bool isCallValid,
+                                               QueryID idPacked,
+                                               GLenum pname,
+                                               GLuint *params);
+angle::CallCapture CaptureGetQueryivEXT(const State &glState,
+                                        bool isCallValid,
+                                        QueryType targetPacked,
+                                        GLenum pname,
+                                        GLint *params);
+angle::CallCapture CaptureIsQueryEXT(const State &glState,
+                                     bool isCallValid,
+                                     QueryID idPacked,
+                                     GLboolean returnValue);
+angle::CallCapture CaptureQueryCounterEXT(const State &glState,
+                                          bool isCallValid,
+                                          QueryID idPacked,
+                                          QueryType targetPacked);
+
+// GL_EXT_draw_buffers
+angle::CallCapture CaptureDrawBuffersEXT(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei n,
+                                         const GLenum *bufs);
+
+// GL_EXT_draw_buffers_indexed
+angle::CallCapture CaptureBlendEquationSeparateiEXT(const State &glState,
+                                                    bool isCallValid,
+                                                    GLuint buf,
+                                                    GLenum modeRGB,
+                                                    GLenum modeAlpha);
+angle::CallCapture CaptureBlendEquationiEXT(const State &glState,
+                                            bool isCallValid,
+                                            GLuint buf,
+                                            GLenum mode);
+angle::CallCapture CaptureBlendFuncSeparateiEXT(const State &glState,
+                                                bool isCallValid,
+                                                GLuint buf,
+                                                GLenum srcRGB,
+                                                GLenum dstRGB,
+                                                GLenum srcAlpha,
+                                                GLenum dstAlpha);
+angle::CallCapture CaptureBlendFunciEXT(const State &glState,
+                                        bool isCallValid,
+                                        GLuint buf,
+                                        GLenum src,
+                                        GLenum dst);
+angle::CallCapture CaptureColorMaskiEXT(const State &glState,
+                                        bool isCallValid,
+                                        GLuint index,
+                                        GLboolean r,
+                                        GLboolean g,
+                                        GLboolean b,
+                                        GLboolean a);
+angle::CallCapture CaptureDisableiEXT(const State &glState,
+                                      bool isCallValid,
+                                      GLenum target,
+                                      GLuint index);
+angle::CallCapture CaptureEnableiEXT(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLuint index);
+angle::CallCapture CaptureIsEnablediEXT(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLuint index,
+                                        GLboolean returnValue);
+
+// GL_EXT_draw_elements_base_vertex
+angle::CallCapture CaptureDrawElementsBaseVertexEXT(const State &glState,
+                                                    bool isCallValid,
+                                                    PrimitiveMode modePacked,
+                                                    GLsizei count,
+                                                    DrawElementsType typePacked,
+                                                    const void *indices,
+                                                    GLint basevertex);
+angle::CallCapture CaptureDrawElementsInstancedBaseVertexEXT(const State &glState,
+                                                             bool isCallValid,
+                                                             PrimitiveMode modePacked,
+                                                             GLsizei count,
+                                                             DrawElementsType typePacked,
+                                                             const void *indices,
+                                                             GLsizei instancecount,
+                                                             GLint basevertex);
+angle::CallCapture CaptureDrawRangeElementsBaseVertexEXT(const State &glState,
+                                                         bool isCallValid,
+                                                         PrimitiveMode modePacked,
+                                                         GLuint start,
+                                                         GLuint end,
+                                                         GLsizei count,
+                                                         DrawElementsType typePacked,
+                                                         const void *indices,
+                                                         GLint basevertex);
+angle::CallCapture CaptureMultiDrawElementsBaseVertexEXT(const State &glState,
+                                                         bool isCallValid,
+                                                         PrimitiveMode modePacked,
+                                                         const GLsizei *count,
+                                                         DrawElementsType typePacked,
+                                                         const void *const *indices,
+                                                         GLsizei drawcount,
+                                                         const GLint *basevertex);
+
+// GL_EXT_external_buffer
+angle::CallCapture CaptureBufferStorageExternalEXT(const State &glState,
+                                                   bool isCallValid,
+                                                   BufferBinding targetPacked,
+                                                   GLintptr offset,
+                                                   GLsizeiptr size,
+                                                   GLeglClientBufferEXT clientBuffer,
+                                                   GLbitfield flags);
+angle::CallCapture CaptureNamedBufferStorageExternalEXT(const State &glState,
+                                                        bool isCallValid,
+                                                        GLuint buffer,
+                                                        GLintptr offset,
+                                                        GLsizeiptr size,
+                                                        GLeglClientBufferEXT clientBuffer,
+                                                        GLbitfield flags);
+
+// GL_EXT_float_blend
+
+// GL_EXT_geometry_shader
+angle::CallCapture CaptureFramebufferTextureEXT(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLenum attachment,
+                                                TextureID texturePacked,
+                                                GLint level);
+
+// GL_EXT_gpu_shader5
+
+// GL_EXT_instanced_arrays
+angle::CallCapture CaptureDrawArraysInstancedEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 PrimitiveMode modePacked,
+                                                 GLint start,
+                                                 GLsizei count,
+                                                 GLsizei primcount);
+angle::CallCapture CaptureDrawElementsInstancedEXT(const State &glState,
+                                                   bool isCallValid,
+                                                   PrimitiveMode modePacked,
+                                                   GLsizei count,
+                                                   DrawElementsType typePacked,
+                                                   const void *indices,
+                                                   GLsizei primcount);
+angle::CallCapture CaptureVertexAttribDivisorEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint index,
+                                                 GLuint divisor);
+
+// GL_EXT_map_buffer_range
+angle::CallCapture CaptureFlushMappedBufferRangeEXT(const State &glState,
+                                                    bool isCallValid,
+                                                    BufferBinding targetPacked,
+                                                    GLintptr offset,
+                                                    GLsizeiptr length);
+angle::CallCapture CaptureMapBufferRangeEXT(const State &glState,
+                                            bool isCallValid,
+                                            BufferBinding targetPacked,
+                                            GLintptr offset,
+                                            GLsizeiptr length,
+                                            GLbitfield access,
+                                            void *returnValue);
+
+// GL_EXT_memory_object
+angle::CallCapture CaptureBufferStorageMemEXT(const State &glState,
+                                              bool isCallValid,
+                                              TextureType targetPacked,
+                                              GLsizeiptr size,
+                                              MemoryObjectID memoryPacked,
+                                              GLuint64 offset);
+angle::CallCapture CaptureCreateMemoryObjectsEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 MemoryObjectID *memoryObjectsPacked);
+angle::CallCapture CaptureDeleteMemoryObjectsEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 const MemoryObjectID *memoryObjectsPacked);
+angle::CallCapture CaptureGetMemoryObjectParameterivEXT(const State &glState,
+                                                        bool isCallValid,
+                                                        MemoryObjectID memoryObjectPacked,
+                                                        GLenum pname,
+                                                        GLint *params);
+angle::CallCapture CaptureGetUnsignedBytevEXT(const State &glState,
+                                              bool isCallValid,
+                                              GLenum pname,
+                                              GLubyte *data);
+angle::CallCapture CaptureGetUnsignedBytei_vEXT(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLuint index,
+                                                GLubyte *data);
+angle::CallCapture CaptureIsMemoryObjectEXT(const State &glState,
+                                            bool isCallValid,
+                                            MemoryObjectID memoryObjectPacked,
+                                            GLboolean returnValue);
+angle::CallCapture CaptureMemoryObjectParameterivEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     MemoryObjectID memoryObjectPacked,
+                                                     GLenum pname,
+                                                     const GLint *params);
+angle::CallCapture CaptureTexStorageMem2DEXT(const State &glState,
+                                             bool isCallValid,
+                                             TextureType targetPacked,
+                                             GLsizei levels,
+                                             GLenum internalFormat,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             MemoryObjectID memoryPacked,
+                                             GLuint64 offset);
+angle::CallCapture CaptureTexStorageMem2DMultisampleEXT(const State &glState,
+                                                        bool isCallValid,
+                                                        TextureType targetPacked,
+                                                        GLsizei samples,
+                                                        GLenum internalFormat,
+                                                        GLsizei width,
+                                                        GLsizei height,
+                                                        GLboolean fixedSampleLocations,
+                                                        MemoryObjectID memoryPacked,
+                                                        GLuint64 offset);
+angle::CallCapture CaptureTexStorageMem3DEXT(const State &glState,
+                                             bool isCallValid,
+                                             TextureType targetPacked,
+                                             GLsizei levels,
+                                             GLenum internalFormat,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLsizei depth,
+                                             MemoryObjectID memoryPacked,
+                                             GLuint64 offset);
+angle::CallCapture CaptureTexStorageMem3DMultisampleEXT(const State &glState,
+                                                        bool isCallValid,
+                                                        TextureType targetPacked,
+                                                        GLsizei samples,
+                                                        GLenum internalFormat,
+                                                        GLsizei width,
+                                                        GLsizei height,
+                                                        GLsizei depth,
+                                                        GLboolean fixedSampleLocations,
+                                                        MemoryObjectID memoryPacked,
+                                                        GLuint64 offset);
+
+// GL_EXT_memory_object_fd
+angle::CallCapture CaptureImportMemoryFdEXT(const State &glState,
+                                            bool isCallValid,
+                                            MemoryObjectID memoryPacked,
+                                            GLuint64 size,
+                                            HandleType handleTypePacked,
+                                            GLint fd);
+
+// GL_EXT_multi_draw_indirect
+angle::CallCapture CaptureMultiDrawArraysIndirectEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     PrimitiveMode modePacked,
+                                                     const void *indirect,
+                                                     GLsizei drawcount,
+                                                     GLsizei stride);
+angle::CallCapture CaptureMultiDrawElementsIndirectEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       PrimitiveMode modePacked,
+                                                       DrawElementsType typePacked,
+                                                       const void *indirect,
+                                                       GLsizei drawcount,
+                                                       GLsizei stride);
+
+// GL_EXT_multisampled_render_to_texture
+angle::CallCapture CaptureFramebufferTexture2DMultisampleEXT(const State &glState,
+                                                             bool isCallValid,
+                                                             GLenum target,
+                                                             GLenum attachment,
+                                                             TextureTarget textargetPacked,
+                                                             TextureID texturePacked,
+                                                             GLint level,
+                                                             GLsizei samples);
+angle::CallCapture CaptureRenderbufferStorageMultisampleEXT(const State &glState,
+                                                            bool isCallValid,
+                                                            GLenum target,
+                                                            GLsizei samples,
+                                                            GLenum internalformat,
+                                                            GLsizei width,
+                                                            GLsizei height);
+
+// GL_EXT_multisampled_render_to_texture2
+
+// GL_EXT_occlusion_query_boolean
+
+// GL_EXT_primitive_bounding_box
+angle::CallCapture CapturePrimitiveBoundingBoxEXT(const State &glState,
+                                                  bool isCallValid,
+                                                  GLfloat minX,
+                                                  GLfloat minY,
+                                                  GLfloat minZ,
+                                                  GLfloat minW,
+                                                  GLfloat maxX,
+                                                  GLfloat maxY,
+                                                  GLfloat maxZ,
+                                                  GLfloat maxW);
+
+// GL_EXT_protected_textures
+
+// GL_EXT_pvrtc_sRGB
+
+// GL_EXT_read_format_bgra
+
+// GL_EXT_robustness
+angle::CallCapture CaptureGetGraphicsResetStatusEXT(const State &glState,
+                                                    bool isCallValid,
+                                                    GLenum returnValue);
+angle::CallCapture CaptureGetnUniformfvEXT(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei bufSize,
+                                           GLfloat *params);
+angle::CallCapture CaptureGetnUniformivEXT(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei bufSize,
+                                           GLint *params);
+angle::CallCapture CaptureReadnPixelsEXT(const State &glState,
+                                         bool isCallValid,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLenum format,
+                                         GLenum type,
+                                         GLsizei bufSize,
+                                         void *data);
+
+// GL_EXT_sRGB
+
+// GL_EXT_sRGB_write_control
+
+// GL_EXT_semaphore
+angle::CallCapture CaptureDeleteSemaphoresEXT(const State &glState,
+                                              bool isCallValid,
+                                              GLsizei n,
+                                              const SemaphoreID *semaphoresPacked);
+angle::CallCapture CaptureGenSemaphoresEXT(const State &glState,
+                                           bool isCallValid,
+                                           GLsizei n,
+                                           SemaphoreID *semaphoresPacked);
+angle::CallCapture CaptureGetSemaphoreParameterui64vEXT(const State &glState,
+                                                        bool isCallValid,
+                                                        SemaphoreID semaphorePacked,
+                                                        GLenum pname,
+                                                        GLuint64 *params);
+angle::CallCapture CaptureIsSemaphoreEXT(const State &glState,
+                                         bool isCallValid,
+                                         SemaphoreID semaphorePacked,
+                                         GLboolean returnValue);
+angle::CallCapture CaptureSemaphoreParameterui64vEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     SemaphoreID semaphorePacked,
+                                                     GLenum pname,
+                                                     const GLuint64 *params);
+angle::CallCapture CaptureSignalSemaphoreEXT(const State &glState,
+                                             bool isCallValid,
+                                             SemaphoreID semaphorePacked,
+                                             GLuint numBufferBarriers,
+                                             const BufferID *buffersPacked,
+                                             GLuint numTextureBarriers,
+                                             const TextureID *texturesPacked,
+                                             const GLenum *dstLayouts);
+angle::CallCapture CaptureWaitSemaphoreEXT(const State &glState,
+                                           bool isCallValid,
+                                           SemaphoreID semaphorePacked,
+                                           GLuint numBufferBarriers,
+                                           const BufferID *buffersPacked,
+                                           GLuint numTextureBarriers,
+                                           const TextureID *texturesPacked,
+                                           const GLenum *srcLayouts);
+
+// GL_EXT_semaphore_fd
+angle::CallCapture CaptureImportSemaphoreFdEXT(const State &glState,
+                                               bool isCallValid,
+                                               SemaphoreID semaphorePacked,
+                                               HandleType handleTypePacked,
+                                               GLint fd);
+
+// GL_EXT_separate_shader_objects
+angle::CallCapture CaptureActiveShaderProgramEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 ProgramPipelineID pipelinePacked,
+                                                 ShaderProgramID programPacked);
+angle::CallCapture CaptureBindProgramPipelineEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 ProgramPipelineID pipelinePacked);
+angle::CallCapture CaptureCreateShaderProgramvEXT(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderType typePacked,
+                                                  GLsizei count,
+                                                  const GLchar **strings,
+                                                  GLuint returnValue);
+angle::CallCapture CaptureDeleteProgramPipelinesEXT(const State &glState,
+                                                    bool isCallValid,
+                                                    GLsizei n,
+                                                    const ProgramPipelineID *pipelinesPacked);
+angle::CallCapture CaptureGenProgramPipelinesEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 ProgramPipelineID *pipelinesPacked);
+angle::CallCapture CaptureGetProgramPipelineInfoLogEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       ProgramPipelineID pipelinePacked,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       GLchar *infoLog);
+angle::CallCapture CaptureGetProgramPipelineivEXT(const State &glState,
+                                                  bool isCallValid,
+                                                  ProgramPipelineID pipelinePacked,
+                                                  GLenum pname,
+                                                  GLint *params);
+angle::CallCapture CaptureIsProgramPipelineEXT(const State &glState,
+                                               bool isCallValid,
+                                               ProgramPipelineID pipelinePacked,
+                                               GLboolean returnValue);
+angle::CallCapture CaptureProgramParameteriEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               GLenum pname,
+                                               GLint value);
+angle::CallCapture CaptureProgramUniform1fEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLfloat v0);
+angle::CallCapture CaptureProgramUniform1fvEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLfloat *value);
+angle::CallCapture CaptureProgramUniform1iEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLint v0);
+angle::CallCapture CaptureProgramUniform1ivEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLint *value);
+angle::CallCapture CaptureProgramUniform1uiEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLuint v0);
+angle::CallCapture CaptureProgramUniform1uivEXT(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                UniformLocation locationPacked,
+                                                GLsizei count,
+                                                const GLuint *value);
+angle::CallCapture CaptureProgramUniform2fEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLfloat v0,
+                                              GLfloat v1);
+angle::CallCapture CaptureProgramUniform2fvEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLfloat *value);
+angle::CallCapture CaptureProgramUniform2iEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLint v0,
+                                              GLint v1);
+angle::CallCapture CaptureProgramUniform2ivEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLint *value);
+angle::CallCapture CaptureProgramUniform2uiEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLuint v0,
+                                               GLuint v1);
+angle::CallCapture CaptureProgramUniform2uivEXT(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                UniformLocation locationPacked,
+                                                GLsizei count,
+                                                const GLuint *value);
+angle::CallCapture CaptureProgramUniform3fEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLfloat v0,
+                                              GLfloat v1,
+                                              GLfloat v2);
+angle::CallCapture CaptureProgramUniform3fvEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLfloat *value);
+angle::CallCapture CaptureProgramUniform3iEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLint v0,
+                                              GLint v1,
+                                              GLint v2);
+angle::CallCapture CaptureProgramUniform3ivEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLint *value);
+angle::CallCapture CaptureProgramUniform3uiEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLuint v0,
+                                               GLuint v1,
+                                               GLuint v2);
+angle::CallCapture CaptureProgramUniform3uivEXT(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                UniformLocation locationPacked,
+                                                GLsizei count,
+                                                const GLuint *value);
+angle::CallCapture CaptureProgramUniform4fEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLfloat v0,
+                                              GLfloat v1,
+                                              GLfloat v2,
+                                              GLfloat v3);
+angle::CallCapture CaptureProgramUniform4fvEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLfloat *value);
+angle::CallCapture CaptureProgramUniform4iEXT(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              UniformLocation locationPacked,
+                                              GLint v0,
+                                              GLint v1,
+                                              GLint v2,
+                                              GLint v3);
+angle::CallCapture CaptureProgramUniform4ivEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               const GLint *value);
+angle::CallCapture CaptureProgramUniform4uiEXT(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLuint v0,
+                                               GLuint v1,
+                                               GLuint v2,
+                                               GLuint v3);
+angle::CallCapture CaptureProgramUniform4uivEXT(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                UniformLocation locationPacked,
+                                                GLsizei count,
+                                                const GLuint *value);
+angle::CallCapture CaptureProgramUniformMatrix2fvEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     ShaderProgramID programPacked,
+                                                     UniformLocation locationPacked,
+                                                     GLsizei count,
+                                                     GLboolean transpose,
+                                                     const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix2x3fvEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       UniformLocation locationPacked,
+                                                       GLsizei count,
+                                                       GLboolean transpose,
+                                                       const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix2x4fvEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       UniformLocation locationPacked,
+                                                       GLsizei count,
+                                                       GLboolean transpose,
+                                                       const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix3fvEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     ShaderProgramID programPacked,
+                                                     UniformLocation locationPacked,
+                                                     GLsizei count,
+                                                     GLboolean transpose,
+                                                     const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix3x2fvEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       UniformLocation locationPacked,
+                                                       GLsizei count,
+                                                       GLboolean transpose,
+                                                       const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix3x4fvEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       UniformLocation locationPacked,
+                                                       GLsizei count,
+                                                       GLboolean transpose,
+                                                       const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix4fvEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     ShaderProgramID programPacked,
+                                                     UniformLocation locationPacked,
+                                                     GLsizei count,
+                                                     GLboolean transpose,
+                                                     const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix4x2fvEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       UniformLocation locationPacked,
+                                                       GLsizei count,
+                                                       GLboolean transpose,
+                                                       const GLfloat *value);
+angle::CallCapture CaptureProgramUniformMatrix4x3fvEXT(const State &glState,
+                                                       bool isCallValid,
+                                                       ShaderProgramID programPacked,
+                                                       UniformLocation locationPacked,
+                                                       GLsizei count,
+                                                       GLboolean transpose,
+                                                       const GLfloat *value);
+angle::CallCapture CaptureUseProgramStagesEXT(const State &glState,
+                                              bool isCallValid,
+                                              ProgramPipelineID pipelinePacked,
+                                              GLbitfield stages,
+                                              ShaderProgramID programPacked);
+angle::CallCapture CaptureValidateProgramPipelineEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     ProgramPipelineID pipelinePacked);
+
+// GL_EXT_shader_framebuffer_fetch
+
+// GL_EXT_shader_framebuffer_fetch_non_coherent
+angle::CallCapture CaptureFramebufferFetchBarrierEXT(const State &glState, bool isCallValid);
+
+// GL_EXT_shader_io_blocks
+
+// GL_EXT_shader_non_constant_global_initializers
+
+// GL_EXT_shader_texture_lod
+
+// GL_EXT_shadow_samplers
+
+// GL_EXT_tessellation_shader
+angle::CallCapture CapturePatchParameteriEXT(const State &glState,
+                                             bool isCallValid,
+                                             GLenum pname,
+                                             GLint value);
+
+// GL_EXT_texture_border_clamp
+angle::CallCapture CaptureGetSamplerParameterIivEXT(const State &glState,
+                                                    bool isCallValid,
+                                                    SamplerID samplerPacked,
+                                                    GLenum pname,
+                                                    GLint *params);
+angle::CallCapture CaptureGetSamplerParameterIuivEXT(const State &glState,
+                                                     bool isCallValid,
+                                                     SamplerID samplerPacked,
+                                                     GLenum pname,
+                                                     GLuint *params);
+angle::CallCapture CaptureGetTexParameterIivEXT(const State &glState,
+                                                bool isCallValid,
+                                                TextureType targetPacked,
+                                                GLenum pname,
+                                                GLint *params);
+angle::CallCapture CaptureGetTexParameterIuivEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureType targetPacked,
+                                                 GLenum pname,
+                                                 GLuint *params);
+angle::CallCapture CaptureSamplerParameterIivEXT(const State &glState,
+                                                 bool isCallValid,
+                                                 SamplerID samplerPacked,
+                                                 GLenum pname,
+                                                 const GLint *param);
+angle::CallCapture CaptureSamplerParameterIuivEXT(const State &glState,
+                                                  bool isCallValid,
+                                                  SamplerID samplerPacked,
+                                                  GLenum pname,
+                                                  const GLuint *param);
+angle::CallCapture CaptureTexParameterIivEXT(const State &glState,
+                                             bool isCallValid,
+                                             TextureType targetPacked,
+                                             GLenum pname,
+                                             const GLint *params);
+angle::CallCapture CaptureTexParameterIuivEXT(const State &glState,
+                                              bool isCallValid,
+                                              TextureType targetPacked,
+                                              GLenum pname,
+                                              const GLuint *params);
+
+// GL_EXT_texture_buffer
+angle::CallCapture CaptureTexBufferEXT(const State &glState,
+                                       bool isCallValid,
+                                       TextureType targetPacked,
+                                       GLenum internalformat,
+                                       BufferID bufferPacked);
+angle::CallCapture CaptureTexBufferRangeEXT(const State &glState,
+                                            bool isCallValid,
+                                            TextureType targetPacked,
+                                            GLenum internalformat,
+                                            BufferID bufferPacked,
+                                            GLintptr offset,
+                                            GLsizeiptr size);
+
+// GL_EXT_texture_compression_bptc
+
+// GL_EXT_texture_compression_dxt1
+
+// GL_EXT_texture_compression_rgtc
+
+// GL_EXT_texture_compression_s3tc
+
+// GL_EXT_texture_compression_s3tc_srgb
+
+// GL_EXT_texture_cube_map_array
+
+// GL_EXT_texture_filter_anisotropic
+
+// GL_EXT_texture_format_BGRA8888
+
+// GL_EXT_texture_format_sRGB_override
+
+// GL_EXT_texture_norm16
+
+// GL_EXT_texture_rg
+
+// GL_EXT_texture_sRGB_R8
+
+// GL_EXT_texture_sRGB_RG8
+
+// GL_EXT_texture_sRGB_decode
+
+// GL_EXT_texture_storage
+angle::CallCapture CaptureTexStorage1DEXT(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLsizei levels,
+                                          GLenum internalformat,
+                                          GLsizei width);
+angle::CallCapture CaptureTexStorage2DEXT(const State &glState,
+                                          bool isCallValid,
+                                          TextureType targetPacked,
+                                          GLsizei levels,
+                                          GLenum internalformat,
+                                          GLsizei width,
+                                          GLsizei height);
+angle::CallCapture CaptureTexStorage3DEXT(const State &glState,
+                                          bool isCallValid,
+                                          TextureType targetPacked,
+                                          GLsizei levels,
+                                          GLenum internalformat,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei depth);
+
+// GL_EXT_texture_type_2_10_10_10_REV
+
+// GL_EXT_unpack_subimage
+
+// GL_IMG_texture_compression_pvrtc
+
+// GL_IMG_texture_compression_pvrtc2
+
+// GL_KHR_blend_equation_advanced
+angle::CallCapture CaptureBlendBarrierKHR(const State &glState, bool isCallValid);
+
+// GL_KHR_debug
+angle::CallCapture CaptureDebugMessageCallbackKHR(const State &glState,
+                                                  bool isCallValid,
+                                                  GLDEBUGPROCKHR callback,
+                                                  const void *userParam);
+angle::CallCapture CaptureDebugMessageControlKHR(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum source,
+                                                 GLenum type,
+                                                 GLenum severity,
+                                                 GLsizei count,
+                                                 const GLuint *ids,
+                                                 GLboolean enabled);
+angle::CallCapture CaptureDebugMessageInsertKHR(const State &glState,
+                                                bool isCallValid,
+                                                GLenum source,
+                                                GLenum type,
+                                                GLuint id,
+                                                GLenum severity,
+                                                GLsizei length,
+                                                const GLchar *buf);
+angle::CallCapture CaptureGetDebugMessageLogKHR(const State &glState,
+                                                bool isCallValid,
+                                                GLuint count,
+                                                GLsizei bufSize,
+                                                GLenum *sources,
+                                                GLenum *types,
+                                                GLuint *ids,
+                                                GLenum *severities,
+                                                GLsizei *lengths,
+                                                GLchar *messageLog,
+                                                GLuint returnValue);
+angle::CallCapture CaptureGetObjectLabelKHR(const State &glState,
+                                            bool isCallValid,
+                                            GLenum identifier,
+                                            GLuint name,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLchar *label);
+angle::CallCapture CaptureGetObjectPtrLabelKHR(const State &glState,
+                                               bool isCallValid,
+                                               const void *ptr,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLchar *label);
+angle::CallCapture CaptureGetPointervKHR(const State &glState,
+                                         bool isCallValid,
+                                         GLenum pname,
+                                         void **params);
+angle::CallCapture CaptureObjectLabelKHR(const State &glState,
+                                         bool isCallValid,
+                                         GLenum identifier,
+                                         GLuint name,
+                                         GLsizei length,
+                                         const GLchar *label);
+angle::CallCapture CaptureObjectPtrLabelKHR(const State &glState,
+                                            bool isCallValid,
+                                            const void *ptr,
+                                            GLsizei length,
+                                            const GLchar *label);
+angle::CallCapture CapturePopDebugGroupKHR(const State &glState, bool isCallValid);
+angle::CallCapture CapturePushDebugGroupKHR(const State &glState,
+                                            bool isCallValid,
+                                            GLenum source,
+                                            GLuint id,
+                                            GLsizei length,
+                                            const GLchar *message);
+
+// GL_KHR_no_error
+
+// GL_KHR_parallel_shader_compile
+angle::CallCapture CaptureMaxShaderCompilerThreadsKHR(const State &glState,
+                                                      bool isCallValid,
+                                                      GLuint count);
+
+// GL_KHR_robust_buffer_access_behavior
+
+// GL_KHR_texture_compression_astc_hdr
+
+// GL_KHR_texture_compression_astc_ldr
+
+// GL_KHR_texture_compression_astc_sliced_3d
+
+// GL_MESA_framebuffer_flip_y
+angle::CallCapture CaptureFramebufferParameteriMESA(const State &glState,
+                                                    bool isCallValid,
+                                                    GLenum target,
+                                                    GLenum pname,
+                                                    GLint param);
+angle::CallCapture CaptureGetFramebufferParameterivMESA(const State &glState,
+                                                        bool isCallValid,
+                                                        GLenum target,
+                                                        GLenum pname,
+                                                        GLint *params);
+
+// GL_NV_fence
+angle::CallCapture CaptureDeleteFencesNV(const State &glState,
+                                         bool isCallValid,
+                                         GLsizei n,
+                                         const FenceNVID *fencesPacked);
+angle::CallCapture CaptureFinishFenceNV(const State &glState,
+                                        bool isCallValid,
+                                        FenceNVID fencePacked);
+angle::CallCapture CaptureGenFencesNV(const State &glState,
+                                      bool isCallValid,
+                                      GLsizei n,
+                                      FenceNVID *fencesPacked);
+angle::CallCapture CaptureGetFenceivNV(const State &glState,
+                                       bool isCallValid,
+                                       FenceNVID fencePacked,
+                                       GLenum pname,
+                                       GLint *params);
+angle::CallCapture CaptureIsFenceNV(const State &glState,
+                                    bool isCallValid,
+                                    FenceNVID fencePacked,
+                                    GLboolean returnValue);
+angle::CallCapture CaptureSetFenceNV(const State &glState,
+                                     bool isCallValid,
+                                     FenceNVID fencePacked,
+                                     GLenum condition);
+angle::CallCapture CaptureTestFenceNV(const State &glState,
+                                      bool isCallValid,
+                                      FenceNVID fencePacked,
+                                      GLboolean returnValue);
+
+// GL_NV_framebuffer_blit
+angle::CallCapture CaptureBlitFramebufferNV(const State &glState,
+                                            bool isCallValid,
+                                            GLint srcX0,
+                                            GLint srcY0,
+                                            GLint srcX1,
+                                            GLint srcY1,
+                                            GLint dstX0,
+                                            GLint dstY0,
+                                            GLint dstX1,
+                                            GLint dstY1,
+                                            GLbitfield mask,
+                                            GLenum filter);
+
+// GL_NV_pixel_buffer_object
+
+// GL_NV_read_depth
+
+// GL_NV_read_depth_stencil
+
+// GL_NV_read_stencil
+
+// GL_NV_robustness_video_memory_purge
+
+// GL_NV_shader_noperspective_interpolation
+
+// GL_OES_EGL_image
+angle::CallCapture CaptureEGLImageTargetRenderbufferStorageOES(const State &glState,
+                                                               bool isCallValid,
+                                                               GLenum target,
+                                                               GLeglImageOES image);
+angle::CallCapture CaptureEGLImageTargetTexture2DOES(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureType targetPacked,
+                                                     GLeglImageOES image);
+
+// GL_OES_EGL_image_external
+
+// GL_OES_EGL_image_external_essl3
+
+// GL_OES_compressed_ETC1_RGB8_texture
+
+// GL_OES_compressed_paletted_texture
+
+// GL_OES_copy_image
+angle::CallCapture CaptureCopyImageSubDataOES(const State &glState,
+                                              bool isCallValid,
+                                              GLuint srcName,
+                                              GLenum srcTarget,
+                                              GLint srcLevel,
+                                              GLint srcX,
+                                              GLint srcY,
+                                              GLint srcZ,
+                                              GLuint dstName,
+                                              GLenum dstTarget,
+                                              GLint dstLevel,
+                                              GLint dstX,
+                                              GLint dstY,
+                                              GLint dstZ,
+                                              GLsizei srcWidth,
+                                              GLsizei srcHeight,
+                                              GLsizei srcDepth);
+
+// GL_OES_depth24
+
+// GL_OES_depth32
+
+// GL_OES_depth_texture
+
+// GL_OES_draw_buffers_indexed
+angle::CallCapture CaptureBlendEquationSeparateiOES(const State &glState,
+                                                    bool isCallValid,
+                                                    GLuint buf,
+                                                    GLenum modeRGB,
+                                                    GLenum modeAlpha);
+angle::CallCapture CaptureBlendEquationiOES(const State &glState,
+                                            bool isCallValid,
+                                            GLuint buf,
+                                            GLenum mode);
+angle::CallCapture CaptureBlendFuncSeparateiOES(const State &glState,
+                                                bool isCallValid,
+                                                GLuint buf,
+                                                GLenum srcRGB,
+                                                GLenum dstRGB,
+                                                GLenum srcAlpha,
+                                                GLenum dstAlpha);
+angle::CallCapture CaptureBlendFunciOES(const State &glState,
+                                        bool isCallValid,
+                                        GLuint buf,
+                                        GLenum src,
+                                        GLenum dst);
+angle::CallCapture CaptureColorMaskiOES(const State &glState,
+                                        bool isCallValid,
+                                        GLuint index,
+                                        GLboolean r,
+                                        GLboolean g,
+                                        GLboolean b,
+                                        GLboolean a);
+angle::CallCapture CaptureDisableiOES(const State &glState,
+                                      bool isCallValid,
+                                      GLenum target,
+                                      GLuint index);
+angle::CallCapture CaptureEnableiOES(const State &glState,
+                                     bool isCallValid,
+                                     GLenum target,
+                                     GLuint index);
+angle::CallCapture CaptureIsEnablediOES(const State &glState,
+                                        bool isCallValid,
+                                        GLenum target,
+                                        GLuint index,
+                                        GLboolean returnValue);
+
+// GL_OES_draw_elements_base_vertex
+angle::CallCapture CaptureDrawElementsBaseVertexOES(const State &glState,
+                                                    bool isCallValid,
+                                                    PrimitiveMode modePacked,
+                                                    GLsizei count,
+                                                    DrawElementsType typePacked,
+                                                    const void *indices,
+                                                    GLint basevertex);
+angle::CallCapture CaptureDrawElementsInstancedBaseVertexOES(const State &glState,
+                                                             bool isCallValid,
+                                                             PrimitiveMode modePacked,
+                                                             GLsizei count,
+                                                             DrawElementsType typePacked,
+                                                             const void *indices,
+                                                             GLsizei instancecount,
+                                                             GLint basevertex);
+angle::CallCapture CaptureDrawRangeElementsBaseVertexOES(const State &glState,
+                                                         bool isCallValid,
+                                                         PrimitiveMode modePacked,
+                                                         GLuint start,
+                                                         GLuint end,
+                                                         GLsizei count,
+                                                         DrawElementsType typePacked,
+                                                         const void *indices,
+                                                         GLint basevertex);
+
+// GL_OES_draw_texture
+angle::CallCapture CaptureDrawTexfOES(const State &glState,
+                                      bool isCallValid,
+                                      GLfloat x,
+                                      GLfloat y,
+                                      GLfloat z,
+                                      GLfloat width,
+                                      GLfloat height);
+angle::CallCapture CaptureDrawTexfvOES(const State &glState,
+                                       bool isCallValid,
+                                       const GLfloat *coords);
+angle::CallCapture CaptureDrawTexiOES(const State &glState,
+                                      bool isCallValid,
+                                      GLint x,
+                                      GLint y,
+                                      GLint z,
+                                      GLint width,
+                                      GLint height);
+angle::CallCapture CaptureDrawTexivOES(const State &glState, bool isCallValid, const GLint *coords);
+angle::CallCapture CaptureDrawTexsOES(const State &glState,
+                                      bool isCallValid,
+                                      GLshort x,
+                                      GLshort y,
+                                      GLshort z,
+                                      GLshort width,
+                                      GLshort height);
+angle::CallCapture CaptureDrawTexsvOES(const State &glState,
+                                       bool isCallValid,
+                                       const GLshort *coords);
+angle::CallCapture CaptureDrawTexxOES(const State &glState,
+                                      bool isCallValid,
+                                      GLfixed x,
+                                      GLfixed y,
+                                      GLfixed z,
+                                      GLfixed width,
+                                      GLfixed height);
+angle::CallCapture CaptureDrawTexxvOES(const State &glState,
+                                       bool isCallValid,
+                                       const GLfixed *coords);
+
+// GL_OES_element_index_uint
+
+// GL_OES_fbo_render_mipmap
+
+// GL_OES_framebuffer_object
+angle::CallCapture CaptureBindFramebufferOES(const State &glState,
+                                             bool isCallValid,
+                                             GLenum target,
+                                             FramebufferID framebufferPacked);
+angle::CallCapture CaptureBindRenderbufferOES(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              RenderbufferID renderbufferPacked);
+angle::CallCapture CaptureCheckFramebufferStatusOES(const State &glState,
+                                                    bool isCallValid,
+                                                    GLenum target,
+                                                    GLenum returnValue);
+angle::CallCapture CaptureDeleteFramebuffersOES(const State &glState,
+                                                bool isCallValid,
+                                                GLsizei n,
+                                                const FramebufferID *framebuffersPacked);
+angle::CallCapture CaptureDeleteRenderbuffersOES(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 const RenderbufferID *renderbuffersPacked);
+angle::CallCapture CaptureFramebufferRenderbufferOES(const State &glState,
+                                                     bool isCallValid,
+                                                     GLenum target,
+                                                     GLenum attachment,
+                                                     GLenum renderbuffertarget,
+                                                     RenderbufferID renderbufferPacked);
+angle::CallCapture CaptureFramebufferTexture2DOES(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum target,
+                                                  GLenum attachment,
+                                                  TextureTarget textargetPacked,
+                                                  TextureID texturePacked,
+                                                  GLint level);
+angle::CallCapture CaptureGenFramebuffersOES(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             FramebufferID *framebuffersPacked);
+angle::CallCapture CaptureGenRenderbuffersOES(const State &glState,
+                                              bool isCallValid,
+                                              GLsizei n,
+                                              RenderbufferID *renderbuffersPacked);
+angle::CallCapture CaptureGenerateMipmapOES(const State &glState,
+                                            bool isCallValid,
+                                            TextureType targetPacked);
+angle::CallCapture CaptureGetFramebufferAttachmentParameterivOES(const State &glState,
+                                                                 bool isCallValid,
+                                                                 GLenum target,
+                                                                 GLenum attachment,
+                                                                 GLenum pname,
+                                                                 GLint *params);
+angle::CallCapture CaptureGetRenderbufferParameterivOES(const State &glState,
+                                                        bool isCallValid,
+                                                        GLenum target,
+                                                        GLenum pname,
+                                                        GLint *params);
+angle::CallCapture CaptureIsFramebufferOES(const State &glState,
+                                           bool isCallValid,
+                                           FramebufferID framebufferPacked,
+                                           GLboolean returnValue);
+angle::CallCapture CaptureIsRenderbufferOES(const State &glState,
+                                            bool isCallValid,
+                                            RenderbufferID renderbufferPacked,
+                                            GLboolean returnValue);
+angle::CallCapture CaptureRenderbufferStorageOES(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum target,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height);
+
+// GL_OES_geometry_shader
+angle::CallCapture CaptureFramebufferTextureOES(const State &glState,
+                                                bool isCallValid,
+                                                GLenum target,
+                                                GLenum attachment,
+                                                TextureID texturePacked,
+                                                GLint level);
+
+// GL_OES_get_program_binary
+angle::CallCapture CaptureGetProgramBinaryOES(const State &glState,
+                                              bool isCallValid,
+                                              ShaderProgramID programPacked,
+                                              GLsizei bufSize,
+                                              GLsizei *length,
+                                              GLenum *binaryFormat,
+                                              void *binary);
+angle::CallCapture CaptureProgramBinaryOES(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           GLenum binaryFormat,
+                                           const void *binary,
+                                           GLint length);
+
+// GL_OES_mapbuffer
+angle::CallCapture CaptureGetBufferPointervOES(const State &glState,
+                                               bool isCallValid,
+                                               BufferBinding targetPacked,
+                                               GLenum pname,
+                                               void **params);
+angle::CallCapture CaptureMapBufferOES(const State &glState,
+                                       bool isCallValid,
+                                       BufferBinding targetPacked,
+                                       GLenum access,
+                                       void *returnValue);
+angle::CallCapture CaptureUnmapBufferOES(const State &glState,
+                                         bool isCallValid,
+                                         BufferBinding targetPacked,
+                                         GLboolean returnValue);
+
+// GL_OES_matrix_palette
+angle::CallCapture CaptureCurrentPaletteMatrixOES(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint matrixpaletteindex);
+angle::CallCapture CaptureLoadPaletteFromModelViewMatrixOES(const State &glState, bool isCallValid);
+angle::CallCapture CaptureMatrixIndexPointerOES(const State &glState,
+                                                bool isCallValid,
+                                                GLint size,
+                                                GLenum type,
+                                                GLsizei stride,
+                                                const void *pointer);
+angle::CallCapture CaptureWeightPointerOES(const State &glState,
+                                           bool isCallValid,
+                                           GLint size,
+                                           GLenum type,
+                                           GLsizei stride,
+                                           const void *pointer);
+
+// GL_OES_packed_depth_stencil
+
+// GL_OES_point_size_array
+angle::CallCapture CapturePointSizePointerOES(const State &glState,
+                                              bool isCallValid,
+                                              VertexAttribType typePacked,
+                                              GLsizei stride,
+                                              const void *pointer);
+
+// GL_OES_point_sprite
+
+// GL_OES_primitive_bounding_box
+angle::CallCapture CapturePrimitiveBoundingBoxOES(const State &glState,
+                                                  bool isCallValid,
+                                                  GLfloat minX,
+                                                  GLfloat minY,
+                                                  GLfloat minZ,
+                                                  GLfloat minW,
+                                                  GLfloat maxX,
+                                                  GLfloat maxY,
+                                                  GLfloat maxZ,
+                                                  GLfloat maxW);
+
+// GL_OES_query_matrix
+angle::CallCapture CaptureQueryMatrixxOES(const State &glState,
+                                          bool isCallValid,
+                                          GLfixed *mantissa,
+                                          GLint *exponent,
+                                          GLbitfield returnValue);
+
+// GL_OES_rgb8_rgba8
+
+// GL_OES_sample_shading
+angle::CallCapture CaptureMinSampleShadingOES(const State &glState,
+                                              bool isCallValid,
+                                              GLfloat value);
+
+// GL_OES_sample_variables
+
+// GL_OES_shader_image_atomic
+
+// GL_OES_shader_io_blocks
+
+// GL_OES_shader_multisample_interpolation
+
+// GL_OES_standard_derivatives
+
+// GL_OES_surfaceless_context
+
+// GL_OES_texture_3D
+angle::CallCapture CaptureCompressedTexImage3DOES(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureTarget targetPacked,
+                                                  GLint level,
+                                                  GLenum internalformat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLsizei depth,
+                                                  GLint border,
+                                                  GLsizei imageSize,
+                                                  const void *data);
+angle::CallCapture CaptureCompressedTexSubImage3DOES(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureTarget targetPacked,
+                                                     GLint level,
+                                                     GLint xoffset,
+                                                     GLint yoffset,
+                                                     GLint zoffset,
+                                                     GLsizei width,
+                                                     GLsizei height,
+                                                     GLsizei depth,
+                                                     GLenum format,
+                                                     GLsizei imageSize,
+                                                     const void *data);
+angle::CallCapture CaptureCopyTexSubImage3DOES(const State &glState,
+                                               bool isCallValid,
+                                               TextureTarget targetPacked,
+                                               GLint level,
+                                               GLint xoffset,
+                                               GLint yoffset,
+                                               GLint zoffset,
+                                               GLint x,
+                                               GLint y,
+                                               GLsizei width,
+                                               GLsizei height);
+angle::CallCapture CaptureFramebufferTexture3DOES(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum target,
+                                                  GLenum attachment,
+                                                  TextureTarget textargetPacked,
+                                                  TextureID texturePacked,
+                                                  GLint level,
+                                                  GLint zoffset);
+angle::CallCapture CaptureTexImage3DOES(const State &glState,
+                                        bool isCallValid,
+                                        TextureTarget targetPacked,
+                                        GLint level,
+                                        GLenum internalformat,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        GLint border,
+                                        GLenum format,
+                                        GLenum type,
+                                        const void *pixels);
+angle::CallCapture CaptureTexSubImage3DOES(const State &glState,
+                                           bool isCallValid,
+                                           TextureTarget targetPacked,
+                                           GLint level,
+                                           GLint xoffset,
+                                           GLint yoffset,
+                                           GLint zoffset,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           GLenum format,
+                                           GLenum type,
+                                           const void *pixels);
+
+// GL_OES_texture_border_clamp
+angle::CallCapture CaptureGetSamplerParameterIivOES(const State &glState,
+                                                    bool isCallValid,
+                                                    SamplerID samplerPacked,
+                                                    GLenum pname,
+                                                    GLint *params);
+angle::CallCapture CaptureGetSamplerParameterIuivOES(const State &glState,
+                                                     bool isCallValid,
+                                                     SamplerID samplerPacked,
+                                                     GLenum pname,
+                                                     GLuint *params);
+angle::CallCapture CaptureGetTexParameterIivOES(const State &glState,
+                                                bool isCallValid,
+                                                TextureType targetPacked,
+                                                GLenum pname,
+                                                GLint *params);
+angle::CallCapture CaptureGetTexParameterIuivOES(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureType targetPacked,
+                                                 GLenum pname,
+                                                 GLuint *params);
+angle::CallCapture CaptureSamplerParameterIivOES(const State &glState,
+                                                 bool isCallValid,
+                                                 SamplerID samplerPacked,
+                                                 GLenum pname,
+                                                 const GLint *param);
+angle::CallCapture CaptureSamplerParameterIuivOES(const State &glState,
+                                                  bool isCallValid,
+                                                  SamplerID samplerPacked,
+                                                  GLenum pname,
+                                                  const GLuint *param);
+angle::CallCapture CaptureTexParameterIivOES(const State &glState,
+                                             bool isCallValid,
+                                             TextureType targetPacked,
+                                             GLenum pname,
+                                             const GLint *params);
+angle::CallCapture CaptureTexParameterIuivOES(const State &glState,
+                                              bool isCallValid,
+                                              TextureType targetPacked,
+                                              GLenum pname,
+                                              const GLuint *params);
+
+// GL_OES_texture_buffer
+angle::CallCapture CaptureTexBufferOES(const State &glState,
+                                       bool isCallValid,
+                                       TextureType targetPacked,
+                                       GLenum internalformat,
+                                       BufferID bufferPacked);
+angle::CallCapture CaptureTexBufferRangeOES(const State &glState,
+                                            bool isCallValid,
+                                            TextureType targetPacked,
+                                            GLenum internalformat,
+                                            BufferID bufferPacked,
+                                            GLintptr offset,
+                                            GLsizeiptr size);
+
+// GL_OES_texture_compression_astc
+
+// GL_OES_texture_cube_map
+angle::CallCapture CaptureGetTexGenfvOES(const State &glState,
+                                         bool isCallValid,
+                                         GLenum coord,
+                                         GLenum pname,
+                                         GLfloat *params);
+angle::CallCapture CaptureGetTexGenivOES(const State &glState,
+                                         bool isCallValid,
+                                         GLenum coord,
+                                         GLenum pname,
+                                         GLint *params);
+angle::CallCapture CaptureGetTexGenxvOES(const State &glState,
+                                         bool isCallValid,
+                                         GLenum coord,
+                                         GLenum pname,
+                                         GLfixed *params);
+angle::CallCapture CaptureTexGenfOES(const State &glState,
+                                     bool isCallValid,
+                                     GLenum coord,
+                                     GLenum pname,
+                                     GLfloat param);
+angle::CallCapture CaptureTexGenfvOES(const State &glState,
+                                      bool isCallValid,
+                                      GLenum coord,
+                                      GLenum pname,
+                                      const GLfloat *params);
+angle::CallCapture CaptureTexGeniOES(const State &glState,
+                                     bool isCallValid,
+                                     GLenum coord,
+                                     GLenum pname,
+                                     GLint param);
+angle::CallCapture CaptureTexGenivOES(const State &glState,
+                                      bool isCallValid,
+                                      GLenum coord,
+                                      GLenum pname,
+                                      const GLint *params);
+angle::CallCapture CaptureTexGenxOES(const State &glState,
+                                     bool isCallValid,
+                                     GLenum coord,
+                                     GLenum pname,
+                                     GLfixed param);
+angle::CallCapture CaptureTexGenxvOES(const State &glState,
+                                      bool isCallValid,
+                                      GLenum coord,
+                                      GLenum pname,
+                                      const GLfixed *params);
+
+// GL_OES_texture_cube_map_array
+
+// GL_OES_texture_float
+
+// GL_OES_texture_float_linear
+
+// GL_OES_texture_half_float
+
+// GL_OES_texture_half_float_linear
+
+// GL_OES_texture_npot
+
+// GL_OES_texture_stencil8
+
+// GL_OES_texture_storage_multisample_2d_array
+angle::CallCapture CaptureTexStorage3DMultisampleOES(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureType targetPacked,
+                                                     GLsizei samples,
+                                                     GLenum internalformat,
+                                                     GLsizei width,
+                                                     GLsizei height,
+                                                     GLsizei depth,
+                                                     GLboolean fixedsamplelocations);
+
+// GL_OES_vertex_array_object
+angle::CallCapture CaptureBindVertexArrayOES(const State &glState,
+                                             bool isCallValid,
+                                             VertexArrayID arrayPacked);
+angle::CallCapture CaptureDeleteVertexArraysOES(const State &glState,
+                                                bool isCallValid,
+                                                GLsizei n,
+                                                const VertexArrayID *arraysPacked);
+angle::CallCapture CaptureGenVertexArraysOES(const State &glState,
+                                             bool isCallValid,
+                                             GLsizei n,
+                                             VertexArrayID *arraysPacked);
+angle::CallCapture CaptureIsVertexArrayOES(const State &glState,
+                                           bool isCallValid,
+                                           VertexArrayID arrayPacked,
+                                           GLboolean returnValue);
+
+// GL_OES_vertex_half_float
+
+// GL_OES_vertex_type_10_10_10_2
+
+// GL_OVR_multiview
+angle::CallCapture CaptureFramebufferTextureMultiviewOVR(const State &glState,
+                                                         bool isCallValid,
+                                                         GLenum target,
+                                                         GLenum attachment,
+                                                         TextureID texturePacked,
+                                                         GLint level,
+                                                         GLint baseViewIndex,
+                                                         GLsizei numViews);
+
+// GL_OVR_multiview2
+
+// GL_QCOM_shading_rate
+angle::CallCapture CaptureShadingRateQCOM(const State &glState, bool isCallValid, GLenum rate);
+
+// Parameter Captures
+
+void CaptureDeletePerfMonitorsAMD_monitors(const State &glState,
+                                           bool isCallValid,
+                                           GLsizei n,
+                                           GLuint *monitors,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGenPerfMonitorsAMD_monitors(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        GLuint *monitors,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCounterDataAMD_data(const State &glState,
+                                              bool isCallValid,
+                                              GLuint monitor,
+                                              GLenum pname,
+                                              GLsizei dataSize,
+                                              GLuint *data,
+                                              GLint *bytesWritten,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCounterDataAMD_bytesWritten(const State &glState,
+                                                      bool isCallValid,
+                                                      GLuint monitor,
+                                                      GLenum pname,
+                                                      GLsizei dataSize,
+                                                      GLuint *data,
+                                                      GLint *bytesWritten,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCounterInfoAMD_data(const State &glState,
+                                              bool isCallValid,
+                                              GLuint group,
+                                              GLuint counter,
+                                              GLenum pname,
+                                              void *data,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCounterStringAMD_length(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint group,
+                                                  GLuint counter,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLchar *counterString,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCounterStringAMD_counterString(const State &glState,
+                                                         bool isCallValid,
+                                                         GLuint group,
+                                                         GLuint counter,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLchar *counterString,
+                                                         angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCountersAMD_numCounters(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint group,
+                                                  GLint *numCounters,
+                                                  GLint *maxActiveCounters,
+                                                  GLsizei counterSize,
+                                                  GLuint *counters,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCountersAMD_maxActiveCounters(const State &glState,
+                                                        bool isCallValid,
+                                                        GLuint group,
+                                                        GLint *numCounters,
+                                                        GLint *maxActiveCounters,
+                                                        GLsizei counterSize,
+                                                        GLuint *counters,
+                                                        angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorCountersAMD_counters(const State &glState,
+                                               bool isCallValid,
+                                               GLuint group,
+                                               GLint *numCounters,
+                                               GLint *maxActiveCounters,
+                                               GLsizei counterSize,
+                                               GLuint *counters,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorGroupStringAMD_length(const State &glState,
+                                                bool isCallValid,
+                                                GLuint group,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLchar *groupString,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorGroupStringAMD_groupString(const State &glState,
+                                                     bool isCallValid,
+                                                     GLuint group,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLchar *groupString,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorGroupsAMD_numGroups(const State &glState,
+                                              bool isCallValid,
+                                              GLint *numGroups,
+                                              GLsizei groupsSize,
+                                              GLuint *groups,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetPerfMonitorGroupsAMD_groups(const State &glState,
+                                           bool isCallValid,
+                                           GLint *numGroups,
+                                           GLsizei groupsSize,
+                                           GLuint *groups,
+                                           angle::ParamCapture *paramCapture);
+void CaptureSelectPerfMonitorCountersAMD_counterList(const State &glState,
+                                                     bool isCallValid,
+                                                     GLuint monitor,
+                                                     GLboolean enable,
+                                                     GLuint group,
+                                                     GLint numCounters,
+                                                     GLuint *counterList,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedBaseVertexBaseInstanceANGLE_indices(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    GLsizei count,
+    DrawElementsType typePacked,
+    const GLvoid *indices,
+    GLsizei instanceCount,
+    GLint baseVertex,
+    GLuint baseInstance,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysInstancedBaseInstanceANGLE_firsts(const State &glState,
+                                                             bool isCallValid,
+                                                             PrimitiveMode modePacked,
+                                                             const GLint *firsts,
+                                                             const GLsizei *counts,
+                                                             const GLsizei *instanceCounts,
+                                                             const GLuint *baseInstances,
+                                                             GLsizei drawcount,
+                                                             angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysInstancedBaseInstanceANGLE_counts(const State &glState,
+                                                             bool isCallValid,
+                                                             PrimitiveMode modePacked,
+                                                             const GLint *firsts,
+                                                             const GLsizei *counts,
+                                                             const GLsizei *instanceCounts,
+                                                             const GLuint *baseInstances,
+                                                             GLsizei drawcount,
+                                                             angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysInstancedBaseInstanceANGLE_instanceCounts(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLint *firsts,
+    const GLsizei *counts,
+    const GLsizei *instanceCounts,
+    const GLuint *baseInstances,
+    GLsizei drawcount,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysInstancedBaseInstanceANGLE_baseInstances(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLint *firsts,
+    const GLsizei *counts,
+    const GLsizei *instanceCounts,
+    const GLuint *baseInstances,
+    GLsizei drawcount,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE_counts(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLsizei *counts,
+    DrawElementsType typePacked,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE_indices(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLsizei *counts,
+    DrawElementsType typePacked,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE_instanceCounts(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLsizei *counts,
+    DrawElementsType typePacked,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE_baseVertices(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLsizei *counts,
+    DrawElementsType typePacked,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE_baseInstances(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    const GLsizei *counts,
+    DrawElementsType typePacked,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount,
+    angle::ParamCapture *paramCapture);
+void CaptureGetTexImageANGLE_pixels(const State &glState,
+                                    bool isCallValid,
+                                    TextureTarget targetPacked,
+                                    GLint level,
+                                    GLenum format,
+                                    GLenum type,
+                                    void *pixels,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetCompressedTexImageANGLE_pixels(const State &glState,
+                                              bool isCallValid,
+                                              TextureTarget targetPacked,
+                                              GLint level,
+                                              void *pixels,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetRenderbufferImageANGLE_pixels(const State &glState,
+                                             bool isCallValid,
+                                             GLenum target,
+                                             GLenum format,
+                                             GLenum type,
+                                             void *pixels,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameterivANGLE_params(const State &glState,
+                                               bool isCallValid,
+                                               TextureTarget targetPacked,
+                                               GLint level,
+                                               GLenum pname,
+                                               GLint *params,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameterfvANGLE_params(const State &glState,
+                                               bool isCallValid,
+                                               TextureTarget targetPacked,
+                                               GLint level,
+                                               GLenum pname,
+                                               GLfloat *params,
+                                               angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedANGLE_indices(const State &glState,
+                                               bool isCallValid,
+                                               PrimitiveMode modePacked,
+                                               GLsizei count,
+                                               DrawElementsType typePacked,
+                                               const void *indices,
+                                               GLsizei primcount,
+                                               angle::ParamCapture *paramCapture);
+void CaptureTexStorageMemFlags2DANGLE_imageCreateInfoPNext(const State &glState,
+                                                           bool isCallValid,
+                                                           TextureType targetPacked,
+                                                           GLsizei levels,
+                                                           GLenum internalFormat,
+                                                           GLsizei width,
+                                                           GLsizei height,
+                                                           MemoryObjectID memoryPacked,
+                                                           GLuint64 offset,
+                                                           GLbitfield createFlags,
+                                                           GLbitfield usageFlags,
+                                                           const void *imageCreateInfoPNext,
+                                                           angle::ParamCapture *paramCapture);
+void CaptureTexStorageMemFlags2DMultisampleANGLE_imageCreateInfoPNext(
+    const State &glState,
+    bool isCallValid,
+    TextureType targetPacked,
+    GLsizei samples,
+    GLenum internalFormat,
+    GLsizei width,
+    GLsizei height,
+    GLboolean fixedSampleLocations,
+    MemoryObjectID memoryPacked,
+    GLuint64 offset,
+    GLbitfield createFlags,
+    GLbitfield usageFlags,
+    const void *imageCreateInfoPNext,
+    angle::ParamCapture *paramCapture);
+void CaptureTexStorageMemFlags3DANGLE_imageCreateInfoPNext(const State &glState,
+                                                           bool isCallValid,
+                                                           TextureType targetPacked,
+                                                           GLsizei levels,
+                                                           GLenum internalFormat,
+                                                           GLsizei width,
+                                                           GLsizei height,
+                                                           GLsizei depth,
+                                                           MemoryObjectID memoryPacked,
+                                                           GLuint64 offset,
+                                                           GLbitfield createFlags,
+                                                           GLbitfield usageFlags,
+                                                           const void *imageCreateInfoPNext,
+                                                           angle::ParamCapture *paramCapture);
+void CaptureTexStorageMemFlags3DMultisampleANGLE_imageCreateInfoPNext(
+    const State &glState,
+    bool isCallValid,
+    TextureType targetPacked,
+    GLsizei samples,
+    GLenum internalFormat,
+    GLsizei width,
+    GLsizei height,
+    GLsizei depth,
+    GLboolean fixedSampleLocations,
+    MemoryObjectID memoryPacked,
+    GLuint64 offset,
+    GLbitfield createFlags,
+    GLbitfield usageFlags,
+    const void *imageCreateInfoPNext,
+    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysANGLE_firsts(const State &glState,
+                                        bool isCallValid,
+                                        PrimitiveMode modePacked,
+                                        const GLint *firsts,
+                                        const GLsizei *counts,
+                                        GLsizei drawcount,
+                                        angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysANGLE_counts(const State &glState,
+                                        bool isCallValid,
+                                        PrimitiveMode modePacked,
+                                        const GLint *firsts,
+                                        const GLsizei *counts,
+                                        GLsizei drawcount,
+                                        angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysInstancedANGLE_firsts(const State &glState,
+                                                 bool isCallValid,
+                                                 PrimitiveMode modePacked,
+                                                 const GLint *firsts,
+                                                 const GLsizei *counts,
+                                                 const GLsizei *instanceCounts,
+                                                 GLsizei drawcount,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysInstancedANGLE_counts(const State &glState,
+                                                 bool isCallValid,
+                                                 PrimitiveMode modePacked,
+                                                 const GLint *firsts,
+                                                 const GLsizei *counts,
+                                                 const GLsizei *instanceCounts,
+                                                 GLsizei drawcount,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysInstancedANGLE_instanceCounts(const State &glState,
+                                                         bool isCallValid,
+                                                         PrimitiveMode modePacked,
+                                                         const GLint *firsts,
+                                                         const GLsizei *counts,
+                                                         const GLsizei *instanceCounts,
+                                                         GLsizei drawcount,
+                                                         angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsANGLE_counts(const State &glState,
+                                          bool isCallValid,
+                                          PrimitiveMode modePacked,
+                                          const GLsizei *counts,
+                                          DrawElementsType typePacked,
+                                          const GLvoid *const *indices,
+                                          GLsizei drawcount,
+                                          angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsANGLE_indices(const State &glState,
+                                           bool isCallValid,
+                                           PrimitiveMode modePacked,
+                                           const GLsizei *counts,
+                                           DrawElementsType typePacked,
+                                           const GLvoid *const *indices,
+                                           GLsizei drawcount,
+                                           angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedANGLE_counts(const State &glState,
+                                                   bool isCallValid,
+                                                   PrimitiveMode modePacked,
+                                                   const GLsizei *counts,
+                                                   DrawElementsType typePacked,
+                                                   const GLvoid *const *indices,
+                                                   const GLsizei *instanceCounts,
+                                                   GLsizei drawcount,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedANGLE_indices(const State &glState,
+                                                    bool isCallValid,
+                                                    PrimitiveMode modePacked,
+                                                    const GLsizei *counts,
+                                                    DrawElementsType typePacked,
+                                                    const GLvoid *const *indices,
+                                                    const GLsizei *instanceCounts,
+                                                    GLsizei drawcount,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsInstancedANGLE_instanceCounts(const State &glState,
+                                                           bool isCallValid,
+                                                           PrimitiveMode modePacked,
+                                                           const GLsizei *counts,
+                                                           DrawElementsType typePacked,
+                                                           const GLvoid *const *indices,
+                                                           const GLsizei *instanceCounts,
+                                                           GLsizei drawcount,
+                                                           angle::ParamCapture *paramCapture);
+void CaptureRequestExtensionANGLE_name(const State &glState,
+                                       bool isCallValid,
+                                       const GLchar *name,
+                                       angle::ParamCapture *paramCapture);
+void CaptureDisableExtensionANGLE_name(const State &glState,
+                                       bool isCallValid,
+                                       const GLchar *name,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetBooleanvRobustANGLE_length(const State &glState,
+                                          bool isCallValid,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLboolean *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetBooleanvRobustANGLE_params(const State &glState,
+                                          bool isCallValid,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLboolean *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetBufferParameterivRobustANGLE_length(const State &glState,
+                                                   bool isCallValid,
+                                                   BufferBinding targetPacked,
+                                                   GLenum pname,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLint *params,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureGetBufferParameterivRobustANGLE_params(const State &glState,
+                                                   bool isCallValid,
+                                                   BufferBinding targetPacked,
+                                                   GLenum pname,
+                                                   GLsizei bufSize,
+                                                   GLsizei *length,
+                                                   GLint *params,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureGetFloatvRobustANGLE_length(const State &glState,
+                                        bool isCallValid,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLfloat *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetFloatvRobustANGLE_params(const State &glState,
+                                        bool isCallValid,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLfloat *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferAttachmentParameterivRobustANGLE_length(
+    const State &glState,
+    bool isCallValid,
+    GLenum target,
+    GLenum attachment,
+    GLenum pname,
+    GLsizei bufSize,
+    GLsizei *length,
+    GLint *params,
+    angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferAttachmentParameterivRobustANGLE_params(
+    const State &glState,
+    bool isCallValid,
+    GLenum target,
+    GLenum attachment,
+    GLenum pname,
+    GLsizei bufSize,
+    GLsizei *length,
+    GLint *params,
+    angle::ParamCapture *paramCapture);
+void CaptureGetIntegervRobustANGLE_length(const State &glState,
+                                          bool isCallValid,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint *data,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetIntegervRobustANGLE_data(const State &glState,
+                                        bool isCallValid,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLint *data,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetProgramivRobustANGLE_length(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetProgramivRobustANGLE_params(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetRenderbufferParameterivRobustANGLE_length(const State &glState,
+                                                         bool isCallValid,
+                                                         GLenum target,
+                                                         GLenum pname,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLint *params,
+                                                         angle::ParamCapture *paramCapture);
+void CaptureGetRenderbufferParameterivRobustANGLE_params(const State &glState,
+                                                         bool isCallValid,
+                                                         GLenum target,
+                                                         GLenum pname,
+                                                         GLsizei bufSize,
+                                                         GLsizei *length,
+                                                         GLint *params,
+                                                         angle::ParamCapture *paramCapture);
+void CaptureGetShaderivRobustANGLE_length(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID shaderPacked,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetShaderivRobustANGLE_params(const State &glState,
+                                          bool isCallValid,
+                                          ShaderProgramID shaderPacked,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterfvRobustANGLE_length(const State &glState,
+                                                bool isCallValid,
+                                                TextureType targetPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLfloat *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterfvRobustANGLE_params(const State &glState,
+                                                bool isCallValid,
+                                                TextureType targetPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLfloat *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterivRobustANGLE_length(const State &glState,
+                                                bool isCallValid,
+                                                TextureType targetPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLint *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterivRobustANGLE_params(const State &glState,
+                                                bool isCallValid,
+                                                TextureType targetPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLint *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetUniformfvRobustANGLE_length(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLfloat *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetUniformfvRobustANGLE_params(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLfloat *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetUniformivRobustANGLE_length(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetUniformivRobustANGLE_params(const State &glState,
+                                           bool isCallValid,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribfvRobustANGLE_length(const State &glState,
+                                                bool isCallValid,
+                                                GLuint index,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLfloat *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribfvRobustANGLE_params(const State &glState,
+                                                bool isCallValid,
+                                                GLuint index,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLfloat *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribivRobustANGLE_length(const State &glState,
+                                                bool isCallValid,
+                                                GLuint index,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLint *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribivRobustANGLE_params(const State &glState,
+                                                bool isCallValid,
+                                                GLuint index,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLint *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribPointervRobustANGLE_length(const State &glState,
+                                                      bool isCallValid,
+                                                      GLuint index,
+                                                      GLenum pname,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      void **pointer,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribPointervRobustANGLE_pointer(const State &glState,
+                                                       bool isCallValid,
+                                                       GLuint index,
+                                                       GLenum pname,
+                                                       GLsizei bufSize,
+                                                       GLsizei *length,
+                                                       void **pointer,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureReadPixelsRobustANGLE_length(const State &glState,
+                                         bool isCallValid,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLenum format,
+                                         GLenum type,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLsizei *columns,
+                                         GLsizei *rows,
+                                         void *pixels,
+                                         angle::ParamCapture *paramCapture);
+void CaptureReadPixelsRobustANGLE_columns(const State &glState,
+                                          bool isCallValid,
+                                          GLint x,
+                                          GLint y,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLenum format,
+                                          GLenum type,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLsizei *columns,
+                                          GLsizei *rows,
+                                          void *pixels,
+                                          angle::ParamCapture *paramCapture);
+void CaptureReadPixelsRobustANGLE_rows(const State &glState,
+                                       bool isCallValid,
+                                       GLint x,
+                                       GLint y,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLsizei *columns,
+                                       GLsizei *rows,
+                                       void *pixels,
+                                       angle::ParamCapture *paramCapture);
+void CaptureReadPixelsRobustANGLE_pixels(const State &glState,
+                                         bool isCallValid,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLenum format,
+                                         GLenum type,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLsizei *columns,
+                                         GLsizei *rows,
+                                         void *pixels,
+                                         angle::ParamCapture *paramCapture);
+void CaptureTexImage2DRobustANGLE_pixels(const State &glState,
+                                         bool isCallValid,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLint internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLint border,
+                                         GLenum format,
+                                         GLenum type,
+                                         GLsizei bufSize,
+                                         const void *pixels,
+                                         angle::ParamCapture *paramCapture);
+void CaptureTexParameterfvRobustANGLE_params(const State &glState,
+                                             bool isCallValid,
+                                             TextureType targetPacked,
+                                             GLenum pname,
+                                             GLsizei bufSize,
+                                             const GLfloat *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureTexParameterivRobustANGLE_params(const State &glState,
+                                             bool isCallValid,
+                                             TextureType targetPacked,
+                                             GLenum pname,
+                                             GLsizei bufSize,
+                                             const GLint *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureTexSubImage2DRobustANGLE_pixels(const State &glState,
+                                            bool isCallValid,
+                                            TextureTarget targetPacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLenum format,
+                                            GLenum type,
+                                            GLsizei bufSize,
+                                            const void *pixels,
+                                            angle::ParamCapture *paramCapture);
+void CaptureTexImage3DRobustANGLE_pixels(const State &glState,
+                                         bool isCallValid,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLint internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLint border,
+                                         GLenum format,
+                                         GLenum type,
+                                         GLsizei bufSize,
+                                         const void *pixels,
+                                         angle::ParamCapture *paramCapture);
+void CaptureTexSubImage3DRobustANGLE_pixels(const State &glState,
+                                            bool isCallValid,
+                                            TextureTarget targetPacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLint zoffset,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLsizei depth,
+                                            GLenum format,
+                                            GLenum type,
+                                            GLsizei bufSize,
+                                            const void *pixels,
+                                            angle::ParamCapture *paramCapture);
+void CaptureCompressedTexImage2DRobustANGLE_data(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureTarget targetPacked,
+                                                 GLint level,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height,
+                                                 GLint border,
+                                                 GLsizei imageSize,
+                                                 GLsizei dataSize,
+                                                 const GLvoid *data,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureCompressedTexSubImage2DRobustANGLE_data(const State &glState,
+                                                    bool isCallValid,
+                                                    TextureTarget targetPacked,
+                                                    GLint level,
+                                                    GLsizei xoffset,
+                                                    GLsizei yoffset,
+                                                    GLsizei width,
+                                                    GLsizei height,
+                                                    GLenum format,
+                                                    GLsizei imageSize,
+                                                    GLsizei dataSize,
+                                                    const GLvoid *data,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureCompressedTexImage3DRobustANGLE_data(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureTarget targetPacked,
+                                                 GLint level,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height,
+                                                 GLsizei depth,
+                                                 GLint border,
+                                                 GLsizei imageSize,
+                                                 GLsizei dataSize,
+                                                 const GLvoid *data,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureCompressedTexSubImage3DRobustANGLE_data(const State &glState,
+                                                    bool isCallValid,
+                                                    TextureTarget targetPacked,
+                                                    GLint level,
+                                                    GLint xoffset,
+                                                    GLint yoffset,
+                                                    GLint zoffset,
+                                                    GLsizei width,
+                                                    GLsizei height,
+                                                    GLsizei depth,
+                                                    GLenum format,
+                                                    GLsizei imageSize,
+                                                    GLsizei dataSize,
+                                                    const GLvoid *data,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetQueryivRobustANGLE_length(const State &glState,
+                                         bool isCallValid,
+                                         QueryType targetPacked,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLint *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetQueryivRobustANGLE_params(const State &glState,
+                                         bool isCallValid,
+                                         QueryType targetPacked,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         GLsizei *length,
+                                         GLint *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectuivRobustANGLE_length(const State &glState,
+                                                bool isCallValid,
+                                                QueryID idPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLuint *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectuivRobustANGLE_params(const State &glState,
+                                                bool isCallValid,
+                                                QueryID idPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLuint *params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetBufferPointervRobustANGLE_length(const State &glState,
+                                                bool isCallValid,
+                                                BufferBinding targetPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                void **params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetBufferPointervRobustANGLE_params(const State &glState,
+                                                bool isCallValid,
+                                                BufferBinding targetPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                void **params,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetIntegeri_vRobustANGLE_length(const State &glState,
+                                            bool isCallValid,
+                                            GLenum target,
+                                            GLuint index,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLint *data,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetIntegeri_vRobustANGLE_data(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLuint index,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint *data,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetInternalformativRobustANGLE_length(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum target,
+                                                  GLenum internalformat,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLint *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetInternalformativRobustANGLE_params(const State &glState,
+                                                  bool isCallValid,
+                                                  GLenum target,
+                                                  GLenum internalformat,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLint *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribIivRobustANGLE_length(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint index,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribIivRobustANGLE_params(const State &glState,
+                                                 bool isCallValid,
+                                                 GLuint index,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribIuivRobustANGLE_length(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint index,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLuint *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetVertexAttribIuivRobustANGLE_params(const State &glState,
+                                                  bool isCallValid,
+                                                  GLuint index,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLuint *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetUniformuivRobustANGLE_length(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLuint *params,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetUniformuivRobustANGLE_params(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLuint *params,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformBlockivRobustANGLE_length(const State &glState,
+                                                      bool isCallValid,
+                                                      ShaderProgramID programPacked,
+                                                      UniformBlockIndex uniformBlockIndexPacked,
+                                                      GLenum pname,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      GLint *params,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureGetActiveUniformBlockivRobustANGLE_params(const State &glState,
+                                                      bool isCallValid,
+                                                      ShaderProgramID programPacked,
+                                                      UniformBlockIndex uniformBlockIndexPacked,
+                                                      GLenum pname,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      GLint *params,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureGetInteger64vRobustANGLE_length(const State &glState,
+                                            bool isCallValid,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLint64 *data,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetInteger64vRobustANGLE_data(const State &glState,
+                                          bool isCallValid,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLint64 *data,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetInteger64i_vRobustANGLE_length(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              GLuint index,
+                                              GLsizei bufSize,
+                                              GLsizei *length,
+                                              GLint64 *data,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetInteger64i_vRobustANGLE_data(const State &glState,
+                                            bool isCallValid,
+                                            GLenum target,
+                                            GLuint index,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLint64 *data,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetBufferParameteri64vRobustANGLE_length(const State &glState,
+                                                     bool isCallValid,
+                                                     BufferBinding targetPacked,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLint64 *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetBufferParameteri64vRobustANGLE_params(const State &glState,
+                                                     bool isCallValid,
+                                                     BufferBinding targetPacked,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLint64 *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterivRobustANGLE_param(const State &glState,
+                                                bool isCallValid,
+                                                SamplerID samplerPacked,
+                                                GLuint pname,
+                                                GLsizei bufSize,
+                                                const GLint *param,
+                                                angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterfvRobustANGLE_param(const State &glState,
+                                                bool isCallValid,
+                                                SamplerID samplerPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                const GLfloat *param,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterivRobustANGLE_length(const State &glState,
+                                                    bool isCallValid,
+                                                    SamplerID samplerPacked,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLint *params,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterivRobustANGLE_params(const State &glState,
+                                                    bool isCallValid,
+                                                    SamplerID samplerPacked,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLint *params,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterfvRobustANGLE_length(const State &glState,
+                                                    bool isCallValid,
+                                                    SamplerID samplerPacked,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLfloat *params,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterfvRobustANGLE_params(const State &glState,
+                                                    bool isCallValid,
+                                                    SamplerID samplerPacked,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLfloat *params,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferParameterivRobustANGLE_length(const State &glState,
+                                                        bool isCallValid,
+                                                        GLenum target,
+                                                        GLenum pname,
+                                                        GLsizei bufSize,
+                                                        GLsizei *length,
+                                                        GLint *params,
+                                                        angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferParameterivRobustANGLE_params(const State &glState,
+                                                        bool isCallValid,
+                                                        GLenum target,
+                                                        GLenum pname,
+                                                        GLsizei bufSize,
+                                                        GLsizei *length,
+                                                        GLint *params,
+                                                        angle::ParamCapture *paramCapture);
+void CaptureGetProgramInterfaceivRobustANGLE_length(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    GLenum programInterface,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLint *params,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetProgramInterfaceivRobustANGLE_params(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    GLenum programInterface,
+                                                    GLenum pname,
+                                                    GLsizei bufSize,
+                                                    GLsizei *length,
+                                                    GLint *params,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetBooleani_vRobustANGLE_length(const State &glState,
+                                            bool isCallValid,
+                                            GLenum target,
+                                            GLuint index,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLboolean *data,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetBooleani_vRobustANGLE_data(const State &glState,
+                                          bool isCallValid,
+                                          GLenum target,
+                                          GLuint index,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLboolean *data,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetMultisamplefvRobustANGLE_length(const State &glState,
+                                               bool isCallValid,
+                                               GLenum pname,
+                                               GLuint index,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLfloat *val,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetMultisamplefvRobustANGLE_val(const State &glState,
+                                            bool isCallValid,
+                                            GLenum pname,
+                                            GLuint index,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLfloat *val,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameterivRobustANGLE_length(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureTarget targetPacked,
+                                                     GLint level,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLint *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameterivRobustANGLE_params(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureTarget targetPacked,
+                                                     GLint level,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLint *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameterfvRobustANGLE_length(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureTarget targetPacked,
+                                                     GLint level,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLfloat *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetTexLevelParameterfvRobustANGLE_params(const State &glState,
+                                                     bool isCallValid,
+                                                     TextureTarget targetPacked,
+                                                     GLint level,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLfloat *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetPointervRobustANGLERobustANGLE_length(const State &glState,
+                                                     bool isCallValid,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     void **params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetPointervRobustANGLERobustANGLE_params(const State &glState,
+                                                     bool isCallValid,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     void **params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureReadnPixelsRobustANGLE_length(const State &glState,
+                                          bool isCallValid,
+                                          GLint x,
+                                          GLint y,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLenum format,
+                                          GLenum type,
+                                          GLsizei bufSize,
+                                          GLsizei *length,
+                                          GLsizei *columns,
+                                          GLsizei *rows,
+                                          void *data,
+                                          angle::ParamCapture *paramCapture);
+void CaptureReadnPixelsRobustANGLE_columns(const State &glState,
+                                           bool isCallValid,
+                                           GLint x,
+                                           GLint y,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLenum format,
+                                           GLenum type,
+                                           GLsizei bufSize,
+                                           GLsizei *length,
+                                           GLsizei *columns,
+                                           GLsizei *rows,
+                                           void *data,
+                                           angle::ParamCapture *paramCapture);
+void CaptureReadnPixelsRobustANGLE_rows(const State &glState,
+                                        bool isCallValid,
+                                        GLint x,
+                                        GLint y,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLenum format,
+                                        GLenum type,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLsizei *columns,
+                                        GLsizei *rows,
+                                        void *data,
+                                        angle::ParamCapture *paramCapture);
+void CaptureReadnPixelsRobustANGLE_data(const State &glState,
+                                        bool isCallValid,
+                                        GLint x,
+                                        GLint y,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLenum format,
+                                        GLenum type,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLsizei *columns,
+                                        GLsizei *rows,
+                                        void *data,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetnUniformfvRobustANGLE_length(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLfloat *params,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetnUniformfvRobustANGLE_params(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLfloat *params,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetnUniformivRobustANGLE_length(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLint *params,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetnUniformivRobustANGLE_params(const State &glState,
+                                            bool isCallValid,
+                                            ShaderProgramID programPacked,
+                                            UniformLocation locationPacked,
+                                            GLsizei bufSize,
+                                            GLsizei *length,
+                                            GLint *params,
+                                            angle::ParamCapture *paramCapture);
+void CaptureGetnUniformuivRobustANGLE_length(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLuint *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetnUniformuivRobustANGLE_params(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLuint *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureTexParameterIivRobustANGLE_params(const State &glState,
+                                              bool isCallValid,
+                                              TextureType targetPacked,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              const GLint *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureTexParameterIuivRobustANGLE_params(const State &glState,
+                                               bool isCallValid,
+                                               TextureType targetPacked,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLuint *params,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIivRobustANGLE_length(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureType targetPacked,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIivRobustANGLE_params(const State &glState,
+                                                 bool isCallValid,
+                                                 TextureType targetPacked,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIuivRobustANGLE_length(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureType targetPacked,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLuint *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIuivRobustANGLE_params(const State &glState,
+                                                  bool isCallValid,
+                                                  TextureType targetPacked,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLuint *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIivRobustANGLE_param(const State &glState,
+                                                 bool isCallValid,
+                                                 SamplerID samplerPacked,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 const GLint *param,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIuivRobustANGLE_param(const State &glState,
+                                                  bool isCallValid,
+                                                  SamplerID samplerPacked,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  const GLuint *param,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIivRobustANGLE_length(const State &glState,
+                                                     bool isCallValid,
+                                                     SamplerID samplerPacked,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLint *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIivRobustANGLE_params(const State &glState,
+                                                     bool isCallValid,
+                                                     SamplerID samplerPacked,
+                                                     GLenum pname,
+                                                     GLsizei bufSize,
+                                                     GLsizei *length,
+                                                     GLint *params,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIuivRobustANGLE_length(const State &glState,
+                                                      bool isCallValid,
+                                                      SamplerID samplerPacked,
+                                                      GLenum pname,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      GLuint *params,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIuivRobustANGLE_params(const State &glState,
+                                                      bool isCallValid,
+                                                      SamplerID samplerPacked,
+                                                      GLenum pname,
+                                                      GLsizei bufSize,
+                                                      GLsizei *length,
+                                                      GLuint *params,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectivRobustANGLE_length(const State &glState,
+                                               bool isCallValid,
+                                               QueryID idPacked,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLint *params,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectivRobustANGLE_params(const State &glState,
+                                               bool isCallValid,
+                                               QueryID idPacked,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               GLsizei *length,
+                                               GLint *params,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjecti64vRobustANGLE_length(const State &glState,
+                                                 bool isCallValid,
+                                                 QueryID idPacked,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint64 *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjecti64vRobustANGLE_params(const State &glState,
+                                                 bool isCallValid,
+                                                 QueryID idPacked,
+                                                 GLenum pname,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLint64 *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectui64vRobustANGLE_length(const State &glState,
+                                                  bool isCallValid,
+                                                  QueryID idPacked,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLuint64 *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectui64vRobustANGLE_params(const State &glState,
+                                                  bool isCallValid,
+                                                  QueryID idPacked,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLuint64 *params,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureBeginPixelLocalStorageANGLE_loadops(const State &glState,
+                                                bool isCallValid,
+                                                GLsizei planes,
+                                                const GLenum *loadops,
+                                                const void *cleardata,
+                                                angle::ParamCapture *paramCapture);
+void CaptureBeginPixelLocalStorageANGLE_cleardata(const State &glState,
+                                                  bool isCallValid,
+                                                  GLsizei planes,
+                                                  const GLenum *loadops,
+                                                  const void *cleardata,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetMultisamplefvANGLE_val(const State &glState,
+                                      bool isCallValid,
+                                      GLenum pname,
+                                      GLuint index,
+                                      GLfloat *val,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetTranslatedShaderSourceANGLE_length(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID shaderPacked,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLchar *source,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetTranslatedShaderSourceANGLE_source(const State &glState,
+                                                  bool isCallValid,
+                                                  ShaderProgramID shaderPacked,
+                                                  GLsizei bufSize,
+                                                  GLsizei *length,
+                                                  GLchar *source,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureAcquireTexturesANGLE_texturesPacked(const State &glState,
+                                                bool isCallValid,
+                                                GLuint numTextures,
+                                                const TextureID *texturesPacked,
+                                                const GLenum *layouts,
+                                                angle::ParamCapture *paramCapture);
+void CaptureAcquireTexturesANGLE_layouts(const State &glState,
+                                         bool isCallValid,
+                                         GLuint numTextures,
+                                         const TextureID *texturesPacked,
+                                         const GLenum *layouts,
+                                         angle::ParamCapture *paramCapture);
+void CaptureReleaseTexturesANGLE_texturesPacked(const State &glState,
+                                                bool isCallValid,
+                                                GLuint numTextures,
+                                                const TextureID *texturesPacked,
+                                                GLenum *layouts,
+                                                angle::ParamCapture *paramCapture);
+void CaptureReleaseTexturesANGLE_layouts(const State &glState,
+                                         bool isCallValid,
+                                         GLuint numTextures,
+                                         const TextureID *texturesPacked,
+                                         GLenum *layouts,
+                                         angle::ParamCapture *paramCapture);
+void CaptureBindUniformLocationCHROMIUM_name(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             const GLchar *name,
+                                             angle::ParamCapture *paramCapture);
+void CaptureEGLImageTargetTexStorageEXT_attrib_list(const State &glState,
+                                                    bool isCallValid,
+                                                    GLenum target,
+                                                    GLeglImageOES image,
+                                                    const GLint *attrib_list,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureEGLImageTargetTextureStorageEXT_attrib_list(const State &glState,
+                                                        bool isCallValid,
+                                                        GLuint texture,
+                                                        GLeglImageOES image,
+                                                        const GLint *attrib_list,
+                                                        angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedBaseInstanceEXT_indices(const State &glState,
+                                                         bool isCallValid,
+                                                         PrimitiveMode modePacked,
+                                                         GLsizei count,
+                                                         DrawElementsType typePacked,
+                                                         const void *indices,
+                                                         GLsizei instancecount,
+                                                         GLuint baseinstance,
+                                                         angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedBaseVertexBaseInstanceEXT_indices(
+    const State &glState,
+    bool isCallValid,
+    PrimitiveMode modePacked,
+    GLsizei count,
+    DrawElementsType typePacked,
+    const void *indices,
+    GLsizei instancecount,
+    GLint basevertex,
+    GLuint baseinstance,
+    angle::ParamCapture *paramCapture);
+void CaptureBindFragDataLocationEXT_name(const State &glState,
+                                         bool isCallValid,
+                                         ShaderProgramID programPacked,
+                                         GLuint color,
+                                         const GLchar *name,
+                                         angle::ParamCapture *paramCapture);
+void CaptureBindFragDataLocationIndexedEXT_name(const State &glState,
+                                                bool isCallValid,
+                                                ShaderProgramID programPacked,
+                                                GLuint colorNumber,
+                                                GLuint index,
+                                                const GLchar *name,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetFragDataIndexEXT_name(const State &glState,
+                                     bool isCallValid,
+                                     ShaderProgramID programPacked,
+                                     const GLchar *name,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetProgramResourceLocationIndexEXT_name(const State &glState,
+                                                    bool isCallValid,
+                                                    ShaderProgramID programPacked,
+                                                    GLenum programInterface,
+                                                    const GLchar *name,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureBufferStorageEXT_data(const State &glState,
+                                  bool isCallValid,
+                                  BufferBinding targetPacked,
+                                  GLsizeiptr size,
+                                  const void *data,
+                                  GLbitfield flags,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetObjectLabelEXT_length(const State &glState,
+                                     bool isCallValid,
+                                     GLenum type,
+                                     GLuint object,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *label,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetObjectLabelEXT_label(const State &glState,
+                                    bool isCallValid,
+                                    GLenum type,
+                                    GLuint object,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLchar *label,
+                                    angle::ParamCapture *paramCapture);
+void CaptureLabelObjectEXT_label(const State &glState,
+                                 bool isCallValid,
+                                 GLenum type,
+                                 GLuint object,
+                                 GLsizei length,
+                                 const GLchar *label,
+                                 angle::ParamCapture *paramCapture);
+void CaptureInsertEventMarkerEXT_marker(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei length,
+                                        const GLchar *marker,
+                                        angle::ParamCapture *paramCapture);
+void CapturePushGroupMarkerEXT_marker(const State &glState,
+                                      bool isCallValid,
+                                      GLsizei length,
+                                      const GLchar *marker,
+                                      angle::ParamCapture *paramCapture);
+void CaptureDiscardFramebufferEXT_attachments(const State &glState,
+                                              bool isCallValid,
+                                              GLenum target,
+                                              GLsizei numAttachments,
+                                              const GLenum *attachments,
+                                              angle::ParamCapture *paramCapture);
+void CaptureDeleteQueriesEXT_idsPacked(const State &glState,
+                                       bool isCallValid,
+                                       GLsizei n,
+                                       const QueryID *idsPacked,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGenQueriesEXT_idsPacked(const State &glState,
+                                    bool isCallValid,
+                                    GLsizei n,
+                                    QueryID *idsPacked,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetInteger64vEXT_data(const State &glState,
+                                  bool isCallValid,
+                                  GLenum pname,
+                                  GLint64 *data,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjecti64vEXT_params(const State &glState,
+                                         bool isCallValid,
+                                         QueryID idPacked,
+                                         GLenum pname,
+                                         GLint64 *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectivEXT_params(const State &glState,
+                                       bool isCallValid,
+                                       QueryID idPacked,
+                                       GLenum pname,
+                                       GLint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectui64vEXT_params(const State &glState,
+                                          bool isCallValid,
+                                          QueryID idPacked,
+                                          GLenum pname,
+                                          GLuint64 *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetQueryObjectuivEXT_params(const State &glState,
+                                        bool isCallValid,
+                                        QueryID idPacked,
+                                        GLenum pname,
+                                        GLuint *params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetQueryivEXT_params(const State &glState,
+                                 bool isCallValid,
+                                 QueryType targetPacked,
+                                 GLenum pname,
+                                 GLint *params,
+                                 angle::ParamCapture *paramCapture);
+void CaptureDrawBuffersEXT_bufs(const State &glState,
+                                bool isCallValid,
+                                GLsizei n,
+                                const GLenum *bufs,
+                                angle::ParamCapture *paramCapture);
+void CaptureDrawElementsBaseVertexEXT_indices(const State &glState,
+                                              bool isCallValid,
+                                              PrimitiveMode modePacked,
+                                              GLsizei count,
+                                              DrawElementsType typePacked,
+                                              const void *indices,
+                                              GLint basevertex,
+                                              angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedBaseVertexEXT_indices(const State &glState,
+                                                       bool isCallValid,
+                                                       PrimitiveMode modePacked,
+                                                       GLsizei count,
+                                                       DrawElementsType typePacked,
+                                                       const void *indices,
+                                                       GLsizei instancecount,
+                                                       GLint basevertex,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureDrawRangeElementsBaseVertexEXT_indices(const State &glState,
+                                                   bool isCallValid,
+                                                   PrimitiveMode modePacked,
+                                                   GLuint start,
+                                                   GLuint end,
+                                                   GLsizei count,
+                                                   DrawElementsType typePacked,
+                                                   const void *indices,
+                                                   GLint basevertex,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsBaseVertexEXT_count(const State &glState,
+                                                 bool isCallValid,
+                                                 PrimitiveMode modePacked,
+                                                 const GLsizei *count,
+                                                 DrawElementsType typePacked,
+                                                 const void *const *indices,
+                                                 GLsizei drawcount,
+                                                 const GLint *basevertex,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsBaseVertexEXT_indices(const State &glState,
+                                                   bool isCallValid,
+                                                   PrimitiveMode modePacked,
+                                                   const GLsizei *count,
+                                                   DrawElementsType typePacked,
+                                                   const void *const *indices,
+                                                   GLsizei drawcount,
+                                                   const GLint *basevertex,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsBaseVertexEXT_basevertex(const State &glState,
+                                                      bool isCallValid,
+                                                      PrimitiveMode modePacked,
+                                                      const GLsizei *count,
+                                                      DrawElementsType typePacked,
+                                                      const void *const *indices,
+                                                      GLsizei drawcount,
+                                                      const GLint *basevertex,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedEXT_indices(const State &glState,
+                                             bool isCallValid,
+                                             PrimitiveMode modePacked,
+                                             GLsizei count,
+                                             DrawElementsType typePacked,
+                                             const void *indices,
+                                             GLsizei primcount,
+                                             angle::ParamCapture *paramCapture);
+void CaptureCreateMemoryObjectsEXT_memoryObjectsPacked(const State &glState,
+                                                       bool isCallValid,
+                                                       GLsizei n,
+                                                       MemoryObjectID *memoryObjectsPacked,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureDeleteMemoryObjectsEXT_memoryObjectsPacked(const State &glState,
+                                                       bool isCallValid,
+                                                       GLsizei n,
+                                                       const MemoryObjectID *memoryObjectsPacked,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureGetMemoryObjectParameterivEXT_params(const State &glState,
+                                                 bool isCallValid,
+                                                 MemoryObjectID memoryObjectPacked,
+                                                 GLenum pname,
+                                                 GLint *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetUnsignedBytevEXT_data(const State &glState,
+                                     bool isCallValid,
+                                     GLenum pname,
+                                     GLubyte *data,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetUnsignedBytei_vEXT_data(const State &glState,
+                                       bool isCallValid,
+                                       GLenum target,
+                                       GLuint index,
+                                       GLubyte *data,
+                                       angle::ParamCapture *paramCapture);
+void CaptureMemoryObjectParameterivEXT_params(const State &glState,
+                                              bool isCallValid,
+                                              MemoryObjectID memoryObjectPacked,
+                                              GLenum pname,
+                                              const GLint *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureMultiDrawArraysIndirectEXT_indirect(const State &glState,
+                                                bool isCallValid,
+                                                PrimitiveMode modePacked,
+                                                const void *indirect,
+                                                GLsizei drawcount,
+                                                GLsizei stride,
+                                                angle::ParamCapture *paramCapture);
+void CaptureMultiDrawElementsIndirectEXT_indirect(const State &glState,
+                                                  bool isCallValid,
+                                                  PrimitiveMode modePacked,
+                                                  DrawElementsType typePacked,
+                                                  const void *indirect,
+                                                  GLsizei drawcount,
+                                                  GLsizei stride,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGetnUniformfvEXT_params(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei bufSize,
+                                    GLfloat *params,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetnUniformivEXT_params(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei bufSize,
+                                    GLint *params,
+                                    angle::ParamCapture *paramCapture);
+void CaptureReadnPixelsEXT_data(const State &glState,
+                                bool isCallValid,
+                                GLint x,
+                                GLint y,
+                                GLsizei width,
+                                GLsizei height,
+                                GLenum format,
+                                GLenum type,
+                                GLsizei bufSize,
+                                void *data,
+                                angle::ParamCapture *paramCapture);
+void CaptureDeleteSemaphoresEXT_semaphoresPacked(const State &glState,
+                                                 bool isCallValid,
+                                                 GLsizei n,
+                                                 const SemaphoreID *semaphoresPacked,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGenSemaphoresEXT_semaphoresPacked(const State &glState,
+                                              bool isCallValid,
+                                              GLsizei n,
+                                              SemaphoreID *semaphoresPacked,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetSemaphoreParameterui64vEXT_params(const State &glState,
+                                                 bool isCallValid,
+                                                 SemaphoreID semaphorePacked,
+                                                 GLenum pname,
+                                                 GLuint64 *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureSemaphoreParameterui64vEXT_params(const State &glState,
+                                              bool isCallValid,
+                                              SemaphoreID semaphorePacked,
+                                              GLenum pname,
+                                              const GLuint64 *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureSignalSemaphoreEXT_buffersPacked(const State &glState,
+                                             bool isCallValid,
+                                             SemaphoreID semaphorePacked,
+                                             GLuint numBufferBarriers,
+                                             const BufferID *buffersPacked,
+                                             GLuint numTextureBarriers,
+                                             const TextureID *texturesPacked,
+                                             const GLenum *dstLayouts,
+                                             angle::ParamCapture *paramCapture);
+void CaptureSignalSemaphoreEXT_texturesPacked(const State &glState,
+                                              bool isCallValid,
+                                              SemaphoreID semaphorePacked,
+                                              GLuint numBufferBarriers,
+                                              const BufferID *buffersPacked,
+                                              GLuint numTextureBarriers,
+                                              const TextureID *texturesPacked,
+                                              const GLenum *dstLayouts,
+                                              angle::ParamCapture *paramCapture);
+void CaptureSignalSemaphoreEXT_dstLayouts(const State &glState,
+                                          bool isCallValid,
+                                          SemaphoreID semaphorePacked,
+                                          GLuint numBufferBarriers,
+                                          const BufferID *buffersPacked,
+                                          GLuint numTextureBarriers,
+                                          const TextureID *texturesPacked,
+                                          const GLenum *dstLayouts,
+                                          angle::ParamCapture *paramCapture);
+void CaptureWaitSemaphoreEXT_buffersPacked(const State &glState,
+                                           bool isCallValid,
+                                           SemaphoreID semaphorePacked,
+                                           GLuint numBufferBarriers,
+                                           const BufferID *buffersPacked,
+                                           GLuint numTextureBarriers,
+                                           const TextureID *texturesPacked,
+                                           const GLenum *srcLayouts,
+                                           angle::ParamCapture *paramCapture);
+void CaptureWaitSemaphoreEXT_texturesPacked(const State &glState,
+                                            bool isCallValid,
+                                            SemaphoreID semaphorePacked,
+                                            GLuint numBufferBarriers,
+                                            const BufferID *buffersPacked,
+                                            GLuint numTextureBarriers,
+                                            const TextureID *texturesPacked,
+                                            const GLenum *srcLayouts,
+                                            angle::ParamCapture *paramCapture);
+void CaptureWaitSemaphoreEXT_srcLayouts(const State &glState,
+                                        bool isCallValid,
+                                        SemaphoreID semaphorePacked,
+                                        GLuint numBufferBarriers,
+                                        const BufferID *buffersPacked,
+                                        GLuint numTextureBarriers,
+                                        const TextureID *texturesPacked,
+                                        const GLenum *srcLayouts,
+                                        angle::ParamCapture *paramCapture);
+void CaptureCreateShaderProgramvEXT_strings(const State &glState,
+                                            bool isCallValid,
+                                            ShaderType typePacked,
+                                            GLsizei count,
+                                            const GLchar **strings,
+                                            angle::ParamCapture *paramCapture);
+void CaptureDeleteProgramPipelinesEXT_pipelinesPacked(const State &glState,
+                                                      bool isCallValid,
+                                                      GLsizei n,
+                                                      const ProgramPipelineID *pipelinesPacked,
+                                                      angle::ParamCapture *paramCapture);
+void CaptureGenProgramPipelinesEXT_pipelinesPacked(const State &glState,
+                                                   bool isCallValid,
+                                                   GLsizei n,
+                                                   ProgramPipelineID *pipelinesPacked,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureGetProgramPipelineInfoLogEXT_length(const State &glState,
+                                                bool isCallValid,
+                                                ProgramPipelineID pipelinePacked,
+                                                GLsizei bufSize,
+                                                GLsizei *length,
+                                                GLchar *infoLog,
+                                                angle::ParamCapture *paramCapture);
+void CaptureGetProgramPipelineInfoLogEXT_infoLog(const State &glState,
+                                                 bool isCallValid,
+                                                 ProgramPipelineID pipelinePacked,
+                                                 GLsizei bufSize,
+                                                 GLsizei *length,
+                                                 GLchar *infoLog,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetProgramPipelineivEXT_params(const State &glState,
+                                           bool isCallValid,
+                                           ProgramPipelineID pipelinePacked,
+                                           GLenum pname,
+                                           GLint *params,
+                                           angle::ParamCapture *paramCapture);
+void CaptureProgramUniform1fvEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLfloat *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform1ivEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLint *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform1uivEXT_value(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        const GLuint *value,
+                                        angle::ParamCapture *paramCapture);
+void CaptureProgramUniform2fvEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLfloat *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform2ivEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLint *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform2uivEXT_value(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        const GLuint *value,
+                                        angle::ParamCapture *paramCapture);
+void CaptureProgramUniform3fvEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLfloat *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform3ivEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLint *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform3uivEXT_value(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        const GLuint *value,
+                                        angle::ParamCapture *paramCapture);
+void CaptureProgramUniform4fvEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLfloat *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform4ivEXT_value(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       const GLint *value,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramUniform4uivEXT_value(const State &glState,
+                                        bool isCallValid,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        const GLuint *value,
+                                        angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2fvEXT_value(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value,
+                                             angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2x3fvEXT_value(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               GLboolean transpose,
+                                               const GLfloat *value,
+                                               angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix2x4fvEXT_value(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               GLboolean transpose,
+                                               const GLfloat *value,
+                                               angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3fvEXT_value(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value,
+                                             angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3x2fvEXT_value(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               GLboolean transpose,
+                                               const GLfloat *value,
+                                               angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix3x4fvEXT_value(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               GLboolean transpose,
+                                               const GLfloat *value,
+                                               angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4fvEXT_value(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             UniformLocation locationPacked,
+                                             GLsizei count,
+                                             GLboolean transpose,
+                                             const GLfloat *value,
+                                             angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4x2fvEXT_value(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               GLboolean transpose,
+                                               const GLfloat *value,
+                                               angle::ParamCapture *paramCapture);
+void CaptureProgramUniformMatrix4x3fvEXT_value(const State &glState,
+                                               bool isCallValid,
+                                               ShaderProgramID programPacked,
+                                               UniformLocation locationPacked,
+                                               GLsizei count,
+                                               GLboolean transpose,
+                                               const GLfloat *value,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIivEXT_params(const State &glState,
+                                             bool isCallValid,
+                                             SamplerID samplerPacked,
+                                             GLenum pname,
+                                             GLint *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIuivEXT_params(const State &glState,
+                                              bool isCallValid,
+                                              SamplerID samplerPacked,
+                                              GLenum pname,
+                                              GLuint *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIivEXT_params(const State &glState,
+                                         bool isCallValid,
+                                         TextureType targetPacked,
+                                         GLenum pname,
+                                         GLint *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIuivEXT_params(const State &glState,
+                                          bool isCallValid,
+                                          TextureType targetPacked,
+                                          GLenum pname,
+                                          GLuint *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIivEXT_param(const State &glState,
+                                         bool isCallValid,
+                                         SamplerID samplerPacked,
+                                         GLenum pname,
+                                         const GLint *param,
+                                         angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIuivEXT_param(const State &glState,
+                                          bool isCallValid,
+                                          SamplerID samplerPacked,
+                                          GLenum pname,
+                                          const GLuint *param,
+                                          angle::ParamCapture *paramCapture);
+void CaptureTexParameterIivEXT_params(const State &glState,
+                                      bool isCallValid,
+                                      TextureType targetPacked,
+                                      GLenum pname,
+                                      const GLint *params,
+                                      angle::ParamCapture *paramCapture);
+void CaptureTexParameterIuivEXT_params(const State &glState,
+                                       bool isCallValid,
+                                       TextureType targetPacked,
+                                       GLenum pname,
+                                       const GLuint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureDebugMessageCallbackKHR_userParam(const State &glState,
+                                              bool isCallValid,
+                                              GLDEBUGPROCKHR callback,
+                                              const void *userParam,
+                                              angle::ParamCapture *paramCapture);
+void CaptureDebugMessageControlKHR_ids(const State &glState,
+                                       bool isCallValid,
+                                       GLenum source,
+                                       GLenum type,
+                                       GLenum severity,
+                                       GLsizei count,
+                                       const GLuint *ids,
+                                       GLboolean enabled,
+                                       angle::ParamCapture *paramCapture);
+void CaptureDebugMessageInsertKHR_buf(const State &glState,
+                                      bool isCallValid,
+                                      GLenum source,
+                                      GLenum type,
+                                      GLuint id,
+                                      GLenum severity,
+                                      GLsizei length,
+                                      const GLchar *buf,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLogKHR_sources(const State &glState,
+                                          bool isCallValid,
+                                          GLuint count,
+                                          GLsizei bufSize,
+                                          GLenum *sources,
+                                          GLenum *types,
+                                          GLuint *ids,
+                                          GLenum *severities,
+                                          GLsizei *lengths,
+                                          GLchar *messageLog,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLogKHR_types(const State &glState,
+                                        bool isCallValid,
+                                        GLuint count,
+                                        GLsizei bufSize,
+                                        GLenum *sources,
+                                        GLenum *types,
+                                        GLuint *ids,
+                                        GLenum *severities,
+                                        GLsizei *lengths,
+                                        GLchar *messageLog,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLogKHR_ids(const State &glState,
+                                      bool isCallValid,
+                                      GLuint count,
+                                      GLsizei bufSize,
+                                      GLenum *sources,
+                                      GLenum *types,
+                                      GLuint *ids,
+                                      GLenum *severities,
+                                      GLsizei *lengths,
+                                      GLchar *messageLog,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLogKHR_severities(const State &glState,
+                                             bool isCallValid,
+                                             GLuint count,
+                                             GLsizei bufSize,
+                                             GLenum *sources,
+                                             GLenum *types,
+                                             GLuint *ids,
+                                             GLenum *severities,
+                                             GLsizei *lengths,
+                                             GLchar *messageLog,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLogKHR_lengths(const State &glState,
+                                          bool isCallValid,
+                                          GLuint count,
+                                          GLsizei bufSize,
+                                          GLenum *sources,
+                                          GLenum *types,
+                                          GLuint *ids,
+                                          GLenum *severities,
+                                          GLsizei *lengths,
+                                          GLchar *messageLog,
+                                          angle::ParamCapture *paramCapture);
+void CaptureGetDebugMessageLogKHR_messageLog(const State &glState,
+                                             bool isCallValid,
+                                             GLuint count,
+                                             GLsizei bufSize,
+                                             GLenum *sources,
+                                             GLenum *types,
+                                             GLuint *ids,
+                                             GLenum *severities,
+                                             GLsizei *lengths,
+                                             GLchar *messageLog,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetObjectLabelKHR_length(const State &glState,
+                                     bool isCallValid,
+                                     GLenum identifier,
+                                     GLuint name,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *label,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetObjectLabelKHR_label(const State &glState,
+                                    bool isCallValid,
+                                    GLenum identifier,
+                                    GLuint name,
+                                    GLsizei bufSize,
+                                    GLsizei *length,
+                                    GLchar *label,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetObjectPtrLabelKHR_ptr(const State &glState,
+                                     bool isCallValid,
+                                     const void *ptr,
+                                     GLsizei bufSize,
+                                     GLsizei *length,
+                                     GLchar *label,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetObjectPtrLabelKHR_length(const State &glState,
+                                        bool isCallValid,
+                                        const void *ptr,
+                                        GLsizei bufSize,
+                                        GLsizei *length,
+                                        GLchar *label,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGetObjectPtrLabelKHR_label(const State &glState,
+                                       bool isCallValid,
+                                       const void *ptr,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLchar *label,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetPointervKHR_params(const State &glState,
+                                  bool isCallValid,
+                                  GLenum pname,
+                                  void **params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureObjectLabelKHR_label(const State &glState,
+                                 bool isCallValid,
+                                 GLenum identifier,
+                                 GLuint name,
+                                 GLsizei length,
+                                 const GLchar *label,
+                                 angle::ParamCapture *paramCapture);
+void CaptureObjectPtrLabelKHR_ptr(const State &glState,
+                                  bool isCallValid,
+                                  const void *ptr,
+                                  GLsizei length,
+                                  const GLchar *label,
+                                  angle::ParamCapture *paramCapture);
+void CaptureObjectPtrLabelKHR_label(const State &glState,
+                                    bool isCallValid,
+                                    const void *ptr,
+                                    GLsizei length,
+                                    const GLchar *label,
+                                    angle::ParamCapture *paramCapture);
+void CapturePushDebugGroupKHR_message(const State &glState,
+                                      bool isCallValid,
+                                      GLenum source,
+                                      GLuint id,
+                                      GLsizei length,
+                                      const GLchar *message,
+                                      angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferParameterivMESA_params(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum target,
+                                                 GLenum pname,
+                                                 GLint *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureDeleteFencesNV_fencesPacked(const State &glState,
+                                        bool isCallValid,
+                                        GLsizei n,
+                                        const FenceNVID *fencesPacked,
+                                        angle::ParamCapture *paramCapture);
+void CaptureGenFencesNV_fencesPacked(const State &glState,
+                                     bool isCallValid,
+                                     GLsizei n,
+                                     FenceNVID *fencesPacked,
+                                     angle::ParamCapture *paramCapture);
+void CaptureGetFenceivNV_params(const State &glState,
+                                bool isCallValid,
+                                FenceNVID fencePacked,
+                                GLenum pname,
+                                GLint *params,
+                                angle::ParamCapture *paramCapture);
+void CaptureDrawElementsBaseVertexOES_indices(const State &glState,
+                                              bool isCallValid,
+                                              PrimitiveMode modePacked,
+                                              GLsizei count,
+                                              DrawElementsType typePacked,
+                                              const void *indices,
+                                              GLint basevertex,
+                                              angle::ParamCapture *paramCapture);
+void CaptureDrawElementsInstancedBaseVertexOES_indices(const State &glState,
+                                                       bool isCallValid,
+                                                       PrimitiveMode modePacked,
+                                                       GLsizei count,
+                                                       DrawElementsType typePacked,
+                                                       const void *indices,
+                                                       GLsizei instancecount,
+                                                       GLint basevertex,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureDrawRangeElementsBaseVertexOES_indices(const State &glState,
+                                                   bool isCallValid,
+                                                   PrimitiveMode modePacked,
+                                                   GLuint start,
+                                                   GLuint end,
+                                                   GLsizei count,
+                                                   DrawElementsType typePacked,
+                                                   const void *indices,
+                                                   GLint basevertex,
+                                                   angle::ParamCapture *paramCapture);
+void CaptureDrawTexfvOES_coords(const State &glState,
+                                bool isCallValid,
+                                const GLfloat *coords,
+                                angle::ParamCapture *paramCapture);
+void CaptureDrawTexivOES_coords(const State &glState,
+                                bool isCallValid,
+                                const GLint *coords,
+                                angle::ParamCapture *paramCapture);
+void CaptureDrawTexsvOES_coords(const State &glState,
+                                bool isCallValid,
+                                const GLshort *coords,
+                                angle::ParamCapture *paramCapture);
+void CaptureDrawTexxvOES_coords(const State &glState,
+                                bool isCallValid,
+                                const GLfixed *coords,
+                                angle::ParamCapture *paramCapture);
+void CaptureDeleteFramebuffersOES_framebuffersPacked(const State &glState,
+                                                     bool isCallValid,
+                                                     GLsizei n,
+                                                     const FramebufferID *framebuffersPacked,
+                                                     angle::ParamCapture *paramCapture);
+void CaptureDeleteRenderbuffersOES_renderbuffersPacked(const State &glState,
+                                                       bool isCallValid,
+                                                       GLsizei n,
+                                                       const RenderbufferID *renderbuffersPacked,
+                                                       angle::ParamCapture *paramCapture);
+void CaptureGenFramebuffersOES_framebuffersPacked(const State &glState,
+                                                  bool isCallValid,
+                                                  GLsizei n,
+                                                  FramebufferID *framebuffersPacked,
+                                                  angle::ParamCapture *paramCapture);
+void CaptureGenRenderbuffersOES_renderbuffersPacked(const State &glState,
+                                                    bool isCallValid,
+                                                    GLsizei n,
+                                                    RenderbufferID *renderbuffersPacked,
+                                                    angle::ParamCapture *paramCapture);
+void CaptureGetFramebufferAttachmentParameterivOES_params(const State &glState,
+                                                          bool isCallValid,
+                                                          GLenum target,
+                                                          GLenum attachment,
+                                                          GLenum pname,
+                                                          GLint *params,
+                                                          angle::ParamCapture *paramCapture);
+void CaptureGetRenderbufferParameterivOES_params(const State &glState,
+                                                 bool isCallValid,
+                                                 GLenum target,
+                                                 GLenum pname,
+                                                 GLint *params,
+                                                 angle::ParamCapture *paramCapture);
+void CaptureGetProgramBinaryOES_length(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLenum *binaryFormat,
+                                       void *binary,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetProgramBinaryOES_binaryFormat(const State &glState,
+                                             bool isCallValid,
+                                             ShaderProgramID programPacked,
+                                             GLsizei bufSize,
+                                             GLsizei *length,
+                                             GLenum *binaryFormat,
+                                             void *binary,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetProgramBinaryOES_binary(const State &glState,
+                                       bool isCallValid,
+                                       ShaderProgramID programPacked,
+                                       GLsizei bufSize,
+                                       GLsizei *length,
+                                       GLenum *binaryFormat,
+                                       void *binary,
+                                       angle::ParamCapture *paramCapture);
+void CaptureProgramBinaryOES_binary(const State &glState,
+                                    bool isCallValid,
+                                    ShaderProgramID programPacked,
+                                    GLenum binaryFormat,
+                                    const void *binary,
+                                    GLint length,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetBufferPointervOES_params(const State &glState,
+                                        bool isCallValid,
+                                        BufferBinding targetPacked,
+                                        GLenum pname,
+                                        void **params,
+                                        angle::ParamCapture *paramCapture);
+void CaptureMatrixIndexPointerOES_pointer(const State &glState,
+                                          bool isCallValid,
+                                          GLint size,
+                                          GLenum type,
+                                          GLsizei stride,
+                                          const void *pointer,
+                                          angle::ParamCapture *paramCapture);
+void CaptureWeightPointerOES_pointer(const State &glState,
+                                     bool isCallValid,
+                                     GLint size,
+                                     GLenum type,
+                                     GLsizei stride,
+                                     const void *pointer,
+                                     angle::ParamCapture *paramCapture);
+void CapturePointSizePointerOES_pointer(const State &glState,
+                                        bool isCallValid,
+                                        VertexAttribType typePacked,
+                                        GLsizei stride,
+                                        const void *pointer,
+                                        angle::ParamCapture *paramCapture);
+void CaptureQueryMatrixxOES_mantissa(const State &glState,
+                                     bool isCallValid,
+                                     GLfixed *mantissa,
+                                     GLint *exponent,
+                                     angle::ParamCapture *paramCapture);
+void CaptureQueryMatrixxOES_exponent(const State &glState,
+                                     bool isCallValid,
+                                     GLfixed *mantissa,
+                                     GLint *exponent,
+                                     angle::ParamCapture *paramCapture);
+void CaptureCompressedTexImage3DOES_data(const State &glState,
+                                         bool isCallValid,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLint border,
+                                         GLsizei imageSize,
+                                         const void *data,
+                                         angle::ParamCapture *paramCapture);
+void CaptureCompressedTexSubImage3DOES_data(const State &glState,
+                                            bool isCallValid,
+                                            TextureTarget targetPacked,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLint zoffset,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLsizei depth,
+                                            GLenum format,
+                                            GLsizei imageSize,
+                                            const void *data,
+                                            angle::ParamCapture *paramCapture);
+void CaptureTexImage3DOES_pixels(const State &glState,
+                                 bool isCallValid,
+                                 TextureTarget targetPacked,
+                                 GLint level,
+                                 GLenum internalformat,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLsizei depth,
+                                 GLint border,
+                                 GLenum format,
+                                 GLenum type,
+                                 const void *pixels,
+                                 angle::ParamCapture *paramCapture);
+void CaptureTexSubImage3DOES_pixels(const State &glState,
+                                    bool isCallValid,
+                                    TextureTarget targetPacked,
+                                    GLint level,
+                                    GLint xoffset,
+                                    GLint yoffset,
+                                    GLint zoffset,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLsizei depth,
+                                    GLenum format,
+                                    GLenum type,
+                                    const void *pixels,
+                                    angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIivOES_params(const State &glState,
+                                             bool isCallValid,
+                                             SamplerID samplerPacked,
+                                             GLenum pname,
+                                             GLint *params,
+                                             angle::ParamCapture *paramCapture);
+void CaptureGetSamplerParameterIuivOES_params(const State &glState,
+                                              bool isCallValid,
+                                              SamplerID samplerPacked,
+                                              GLenum pname,
+                                              GLuint *params,
+                                              angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIivOES_params(const State &glState,
+                                         bool isCallValid,
+                                         TextureType targetPacked,
+                                         GLenum pname,
+                                         GLint *params,
+                                         angle::ParamCapture *paramCapture);
+void CaptureGetTexParameterIuivOES_params(const State &glState,
+                                          bool isCallValid,
+                                          TextureType targetPacked,
+                                          GLenum pname,
+                                          GLuint *params,
+                                          angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIivOES_param(const State &glState,
+                                         bool isCallValid,
+                                         SamplerID samplerPacked,
+                                         GLenum pname,
+                                         const GLint *param,
+                                         angle::ParamCapture *paramCapture);
+void CaptureSamplerParameterIuivOES_param(const State &glState,
+                                          bool isCallValid,
+                                          SamplerID samplerPacked,
+                                          GLenum pname,
+                                          const GLuint *param,
+                                          angle::ParamCapture *paramCapture);
+void CaptureTexParameterIivOES_params(const State &glState,
+                                      bool isCallValid,
+                                      TextureType targetPacked,
+                                      GLenum pname,
+                                      const GLint *params,
+                                      angle::ParamCapture *paramCapture);
+void CaptureTexParameterIuivOES_params(const State &glState,
+                                       bool isCallValid,
+                                       TextureType targetPacked,
+                                       GLenum pname,
+                                       const GLuint *params,
+                                       angle::ParamCapture *paramCapture);
+void CaptureGetTexGenfvOES_params(const State &glState,
+                                  bool isCallValid,
+                                  GLenum coord,
+                                  GLenum pname,
+                                  GLfloat *params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetTexGenivOES_params(const State &glState,
+                                  bool isCallValid,
+                                  GLenum coord,
+                                  GLenum pname,
+                                  GLint *params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureGetTexGenxvOES_params(const State &glState,
+                                  bool isCallValid,
+                                  GLenum coord,
+                                  GLenum pname,
+                                  GLfixed *params,
+                                  angle::ParamCapture *paramCapture);
+void CaptureTexGenfvOES_params(const State &glState,
+                               bool isCallValid,
+                               GLenum coord,
+                               GLenum pname,
+                               const GLfloat *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureTexGenivOES_params(const State &glState,
+                               bool isCallValid,
+                               GLenum coord,
+                               GLenum pname,
+                               const GLint *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureTexGenxvOES_params(const State &glState,
+                               bool isCallValid,
+                               GLenum coord,
+                               GLenum pname,
+                               const GLfixed *params,
+                               angle::ParamCapture *paramCapture);
+void CaptureDeleteVertexArraysOES_arraysPacked(const State &glState,
+                                               bool isCallValid,
+                                               GLsizei n,
+                                               const VertexArrayID *arraysPacked,
+                                               angle::ParamCapture *paramCapture);
+void CaptureGenVertexArraysOES_arraysPacked(const State &glState,
+                                            bool isCallValid,
+                                            GLsizei n,
+                                            VertexArrayID *arraysPacked,
+                                            angle::ParamCapture *paramCapture);
+}  // namespace gl
+
+#endif  // LIBANGLE_CAPTURE_GLES_EXT_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils.h b/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils.h
new file mode 100644
index 0000000000..18e2fe41cc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils.h
@@ -0,0 +1,23 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// frame_capture_utils.h:
+//   ANGLE frame capture utils interface.
+//
+#ifndef FRAME_CAPTURE_UTILS_H_
+#define FRAME_CAPTURE_UTILS_H_
+
+#include "libANGLE/Error.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace angle
+{
+Result SerializeContextToString(const gl::Context *context, std::string *stringOut);
+}  // namespace angle
+#endif  // FRAME_CAPTURE_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils_autogen.h
new file mode 100644
index 0000000000..9c76c2fc15
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils_autogen.h
@@ -0,0 +1,3257 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// frame_capture_utils_autogen.h:
+//   ANGLE Frame capture types and helper functions.
+
+#ifndef LIBANGLE_FRAME_CAPTURE_UTILS_AUTOGEN_H_
+#define LIBANGLE_FRAME_CAPTURE_UTILS_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+
+namespace angle
+{
+enum class ParamType
+{
+    TAHardwareBufferConstPointer,
+    TAlphaTestFunc,
+    TBufferBinding,
+    TBufferID,
+    TBufferIDConstPointer,
+    TBufferIDPointer,
+    TBufferUsage,
+    TClientVertexArrayType,
+    TCompositorTiming,
+    TCullFaceMode,
+    TDrawElementsType,
+    TEGLAttrib,
+    TEGLAttribKHR,
+    TEGLBoolean,
+    TEGLClientBuffer,
+    TEGLConfig,
+    TEGLContext,
+    TEGLDEBUGPROCKHR,
+    TEGLDeviceEXT,
+    TEGLDisplay,
+    TEGLFrameTokenANGLE,
+    TEGLGetBlobFuncANDROID,
+    TEGLImage,
+    TEGLLabelKHR,
+    TEGLNativeDisplayType,
+    TEGLNativePixmapType,
+    TEGLNativeWindowType,
+    TEGLObjectKHR,
+    TEGLSetBlobFuncANDROID,
+    TEGLStreamKHR,
+    TEGLSurface,
+    TEGLSync,
+    TEGLTime,
+    TEGLTimeKHR,
+    TEGLenum,
+    TEGLint,
+    TEGLnsecsANDROID,
+    TEGLuint64KHR,
+    TFenceNVID,
+    TFenceNVIDConstPointer,
+    TFenceNVIDPointer,
+    TFramebufferID,
+    TFramebufferIDConstPointer,
+    TFramebufferIDPointer,
+    TGLDEBUGPROC,
+    TGLDEBUGPROCKHR,
+    TGLbitfield,
+    TGLboolean,
+    TGLbooleanConstPointer,
+    TGLbooleanPointer,
+    TGLbyte,
+    TGLbyteConstPointer,
+    TGLcharConstPointer,
+    TGLcharConstPointerPointer,
+    TGLcharPointer,
+    TGLclampx,
+    TGLdouble,
+    TGLdoubleConstPointer,
+    TGLdoublePointer,
+    TGLeglClientBufferEXT,
+    TGLeglImageOES,
+    TGLenum,
+    TGLenumConstPointer,
+    TGLenumPointer,
+    TGLfixed,
+    TGLfixedConstPointer,
+    TGLfixedPointer,
+    TGLfloat,
+    TGLfloatConstPointer,
+    TGLfloatPointer,
+    TGLint,
+    TGLint64Pointer,
+    TGLintConstPointer,
+    TGLintPointer,
+    TGLintptr,
+    TGLintptrConstPointer,
+    TGLshort,
+    TGLshortConstPointer,
+    TGLsizei,
+    TGLsizeiConstPointer,
+    TGLsizeiPointer,
+    TGLsizeiptr,
+    TGLsizeiptrConstPointer,
+    TGLsync,
+    TGLubyte,
+    TGLubyteConstPointer,
+    TGLubytePointer,
+    TGLuint,
+    TGLuint64,
+    TGLuint64ConstPointer,
+    TGLuint64Pointer,
+    TGLuintConstPointer,
+    TGLuintPointer,
+    TGLushort,
+    TGLushortConstPointer,
+    TGLushortPointer,
+    TGLvoidConstPointer,
+    TGLvoidConstPointerPointer,
+    TGraphicsResetStatus,
+    THandleType,
+    TLightParameter,
+    TLogicalOperation,
+    TMaterialParameter,
+    TMatrixType,
+    TMemoryObjectID,
+    TMemoryObjectIDConstPointer,
+    TMemoryObjectIDPointer,
+    TObjectType,
+    TPointParameter,
+    TPrimitiveMode,
+    TProgramPipelineID,
+    TProgramPipelineIDConstPointer,
+    TProgramPipelineIDPointer,
+    TProvokingVertexConvention,
+    TQueryID,
+    TQueryIDConstPointer,
+    TQueryIDPointer,
+    TQueryType,
+    TRenderbufferID,
+    TRenderbufferIDConstPointer,
+    TRenderbufferIDPointer,
+    TSamplerID,
+    TSamplerIDConstPointer,
+    TSamplerIDPointer,
+    TSemaphoreID,
+    TSemaphoreIDConstPointer,
+    TSemaphoreIDPointer,
+    TShaderProgramID,
+    TShaderProgramIDConstPointer,
+    TShaderProgramIDPointer,
+    TShaderType,
+    TShadingModel,
+    TTextureEnvParameter,
+    TTextureEnvTarget,
+    TTextureID,
+    TTextureIDConstPointer,
+    TTextureIDPointer,
+    TTextureTarget,
+    TTextureType,
+    TTimestamp,
+    TTransformFeedbackID,
+    TTransformFeedbackIDConstPointer,
+    TTransformFeedbackIDPointer,
+    TUniformBlockIndex,
+    TUniformLocation,
+    TVertexArrayID,
+    TVertexArrayIDConstPointer,
+    TVertexArrayIDPointer,
+    TVertexAttribType,
+    TcharConstPointer,
+    TvoidConstPointer,
+    TvoidConstPointerPointer,
+    TvoidPointer,
+    TvoidPointerPointer,
+};
+
+constexpr uint32_t kParamTypeCount = 154;
+
+union ParamValue
+{
+    const AHardwareBuffer *AHardwareBufferConstPointerVal;
+    gl::AlphaTestFunc AlphaTestFuncVal;
+    gl::BufferBinding BufferBindingVal;
+    gl::BufferID BufferIDVal;
+    const gl::BufferID *BufferIDConstPointerVal;
+    gl::BufferID *BufferIDPointerVal;
+    gl::BufferUsage BufferUsageVal;
+    gl::ClientVertexArrayType ClientVertexArrayTypeVal;
+    egl::CompositorTiming CompositorTimingVal;
+    gl::CullFaceMode CullFaceModeVal;
+    gl::DrawElementsType DrawElementsTypeVal;
+    EGLAttrib EGLAttribVal;
+    EGLAttribKHR EGLAttribKHRVal;
+    EGLBoolean EGLBooleanVal;
+    EGLClientBuffer EGLClientBufferVal;
+    EGLConfig EGLConfigVal;
+    EGLContext EGLContextVal;
+    EGLDEBUGPROCKHR EGLDEBUGPROCKHRVal;
+    EGLDeviceEXT EGLDeviceEXTVal;
+    EGLDisplay EGLDisplayVal;
+    EGLFrameTokenANGLE EGLFrameTokenANGLEVal;
+    EGLGetBlobFuncANDROID EGLGetBlobFuncANDROIDVal;
+    EGLImage EGLImageVal;
+    EGLLabelKHR EGLLabelKHRVal;
+    EGLNativeDisplayType EGLNativeDisplayTypeVal;
+    EGLNativePixmapType EGLNativePixmapTypeVal;
+    EGLNativeWindowType EGLNativeWindowTypeVal;
+    EGLObjectKHR EGLObjectKHRVal;
+    EGLSetBlobFuncANDROID EGLSetBlobFuncANDROIDVal;
+    EGLStreamKHR EGLStreamKHRVal;
+    EGLSurface EGLSurfaceVal;
+    EGLSync EGLSyncVal;
+    EGLTime EGLTimeVal;
+    EGLTimeKHR EGLTimeKHRVal;
+    EGLenum EGLenumVal;
+    EGLint EGLintVal;
+    EGLnsecsANDROID EGLnsecsANDROIDVal;
+    EGLuint64KHR EGLuint64KHRVal;
+    gl::FenceNVID FenceNVIDVal;
+    const gl::FenceNVID *FenceNVIDConstPointerVal;
+    gl::FenceNVID *FenceNVIDPointerVal;
+    gl::FramebufferID FramebufferIDVal;
+    const gl::FramebufferID *FramebufferIDConstPointerVal;
+    gl::FramebufferID *FramebufferIDPointerVal;
+    GLDEBUGPROC GLDEBUGPROCVal;
+    GLDEBUGPROCKHR GLDEBUGPROCKHRVal;
+    GLbitfield GLbitfieldVal;
+    GLboolean GLbooleanVal;
+    const GLboolean *GLbooleanConstPointerVal;
+    GLboolean *GLbooleanPointerVal;
+    GLbyte GLbyteVal;
+    const GLbyte *GLbyteConstPointerVal;
+    const GLchar *GLcharConstPointerVal;
+    const GLchar *const *GLcharConstPointerPointerVal;
+    GLchar *GLcharPointerVal;
+    GLclampx GLclampxVal;
+    GLdouble GLdoubleVal;
+    const GLdouble *GLdoubleConstPointerVal;
+    GLdouble *GLdoublePointerVal;
+    GLeglClientBufferEXT GLeglClientBufferEXTVal;
+    GLeglImageOES GLeglImageOESVal;
+    GLenum GLenumVal;
+    const GLenum *GLenumConstPointerVal;
+    GLenum *GLenumPointerVal;
+    GLfixed GLfixedVal;
+    const GLfixed *GLfixedConstPointerVal;
+    GLfixed *GLfixedPointerVal;
+    GLfloat GLfloatVal;
+    const GLfloat *GLfloatConstPointerVal;
+    GLfloat *GLfloatPointerVal;
+    GLint GLintVal;
+    GLint64 *GLint64PointerVal;
+    const GLint *GLintConstPointerVal;
+    GLint *GLintPointerVal;
+    GLintptr GLintptrVal;
+    const GLintptr *GLintptrConstPointerVal;
+    GLshort GLshortVal;
+    const GLshort *GLshortConstPointerVal;
+    GLsizei GLsizeiVal;
+    const GLsizei *GLsizeiConstPointerVal;
+    GLsizei *GLsizeiPointerVal;
+    GLsizeiptr GLsizeiptrVal;
+    const GLsizeiptr *GLsizeiptrConstPointerVal;
+    GLsync GLsyncVal;
+    GLubyte GLubyteVal;
+    const GLubyte *GLubyteConstPointerVal;
+    GLubyte *GLubytePointerVal;
+    GLuint GLuintVal;
+    GLuint64 GLuint64Val;
+    const GLuint64 *GLuint64ConstPointerVal;
+    GLuint64 *GLuint64PointerVal;
+    const GLuint *GLuintConstPointerVal;
+    GLuint *GLuintPointerVal;
+    GLushort GLushortVal;
+    const GLushort *GLushortConstPointerVal;
+    GLushort *GLushortPointerVal;
+    const GLvoid *GLvoidConstPointerVal;
+    const GLvoid *const *GLvoidConstPointerPointerVal;
+    gl::GraphicsResetStatus GraphicsResetStatusVal;
+    gl::HandleType HandleTypeVal;
+    gl::LightParameter LightParameterVal;
+    gl::LogicalOperation LogicalOperationVal;
+    gl::MaterialParameter MaterialParameterVal;
+    gl::MatrixType MatrixTypeVal;
+    gl::MemoryObjectID MemoryObjectIDVal;
+    const gl::MemoryObjectID *MemoryObjectIDConstPointerVal;
+    gl::MemoryObjectID *MemoryObjectIDPointerVal;
+    egl::ObjectType ObjectTypeVal;
+    gl::PointParameter PointParameterVal;
+    gl::PrimitiveMode PrimitiveModeVal;
+    gl::ProgramPipelineID ProgramPipelineIDVal;
+    const gl::ProgramPipelineID *ProgramPipelineIDConstPointerVal;
+    gl::ProgramPipelineID *ProgramPipelineIDPointerVal;
+    gl::ProvokingVertexConvention ProvokingVertexConventionVal;
+    gl::QueryID QueryIDVal;
+    const gl::QueryID *QueryIDConstPointerVal;
+    gl::QueryID *QueryIDPointerVal;
+    gl::QueryType QueryTypeVal;
+    gl::RenderbufferID RenderbufferIDVal;
+    const gl::RenderbufferID *RenderbufferIDConstPointerVal;
+    gl::RenderbufferID *RenderbufferIDPointerVal;
+    gl::SamplerID SamplerIDVal;
+    const gl::SamplerID *SamplerIDConstPointerVal;
+    gl::SamplerID *SamplerIDPointerVal;
+    gl::SemaphoreID SemaphoreIDVal;
+    const gl::SemaphoreID *SemaphoreIDConstPointerVal;
+    gl::SemaphoreID *SemaphoreIDPointerVal;
+    gl::ShaderProgramID ShaderProgramIDVal;
+    const gl::ShaderProgramID *ShaderProgramIDConstPointerVal;
+    gl::ShaderProgramID *ShaderProgramIDPointerVal;
+    gl::ShaderType ShaderTypeVal;
+    gl::ShadingModel ShadingModelVal;
+    gl::TextureEnvParameter TextureEnvParameterVal;
+    gl::TextureEnvTarget TextureEnvTargetVal;
+    gl::TextureID TextureIDVal;
+    const gl::TextureID *TextureIDConstPointerVal;
+    gl::TextureID *TextureIDPointerVal;
+    gl::TextureTarget TextureTargetVal;
+    gl::TextureType TextureTypeVal;
+    egl::Timestamp TimestampVal;
+    gl::TransformFeedbackID TransformFeedbackIDVal;
+    const gl::TransformFeedbackID *TransformFeedbackIDConstPointerVal;
+    gl::TransformFeedbackID *TransformFeedbackIDPointerVal;
+    gl::UniformBlockIndex UniformBlockIndexVal;
+    gl::UniformLocation UniformLocationVal;
+    gl::VertexArrayID VertexArrayIDVal;
+    const gl::VertexArrayID *VertexArrayIDConstPointerVal;
+    gl::VertexArrayID *VertexArrayIDPointerVal;
+    gl::VertexAttribType VertexAttribTypeVal;
+    const char *charConstPointerVal;
+    const void *voidConstPointerVal;
+    const void *const *voidConstPointerPointerVal;
+    void *voidPointerVal;
+    void **voidPointerPointerVal;
+};
+
+template <ParamType PType, typename T>
+T GetParamVal(const ParamValue &value);
+
+template <>
+inline const AHardwareBuffer *GetParamVal<ParamType::TAHardwareBufferConstPointer,
+                                          const AHardwareBuffer *>(const ParamValue &value)
+{
+    return value.AHardwareBufferConstPointerVal;
+}
+
+template <>
+inline gl::AlphaTestFunc GetParamVal<ParamType::TAlphaTestFunc, gl::AlphaTestFunc>(
+    const ParamValue &value)
+{
+    return value.AlphaTestFuncVal;
+}
+
+template <>
+inline gl::BufferBinding GetParamVal<ParamType::TBufferBinding, gl::BufferBinding>(
+    const ParamValue &value)
+{
+    return value.BufferBindingVal;
+}
+
+template <>
+inline gl::BufferID GetParamVal<ParamType::TBufferID, gl::BufferID>(const ParamValue &value)
+{
+    return value.BufferIDVal;
+}
+
+template <>
+inline const gl::BufferID *GetParamVal<ParamType::TBufferIDConstPointer, const gl::BufferID *>(
+    const ParamValue &value)
+{
+    return value.BufferIDConstPointerVal;
+}
+
+template <>
+inline gl::BufferID *GetParamVal<ParamType::TBufferIDPointer, gl::BufferID *>(
+    const ParamValue &value)
+{
+    return value.BufferIDPointerVal;
+}
+
+template <>
+inline gl::BufferUsage GetParamVal<ParamType::TBufferUsage, gl::BufferUsage>(
+    const ParamValue &value)
+{
+    return value.BufferUsageVal;
+}
+
+template <>
+inline gl::ClientVertexArrayType
+GetParamVal<ParamType::TClientVertexArrayType, gl::ClientVertexArrayType>(const ParamValue &value)
+{
+    return value.ClientVertexArrayTypeVal;
+}
+
+template <>
+inline egl::CompositorTiming GetParamVal<ParamType::TCompositorTiming, egl::CompositorTiming>(
+    const ParamValue &value)
+{
+    return value.CompositorTimingVal;
+}
+
+template <>
+inline gl::CullFaceMode GetParamVal<ParamType::TCullFaceMode, gl::CullFaceMode>(
+    const ParamValue &value)
+{
+    return value.CullFaceModeVal;
+}
+
+template <>
+inline gl::DrawElementsType GetParamVal<ParamType::TDrawElementsType, gl::DrawElementsType>(
+    const ParamValue &value)
+{
+    return value.DrawElementsTypeVal;
+}
+
+template <>
+inline EGLAttrib GetParamVal<ParamType::TEGLAttrib, EGLAttrib>(const ParamValue &value)
+{
+    return value.EGLAttribVal;
+}
+
+template <>
+inline EGLAttribKHR GetParamVal<ParamType::TEGLAttribKHR, EGLAttribKHR>(const ParamValue &value)
+{
+    return value.EGLAttribKHRVal;
+}
+
+template <>
+inline EGLBoolean GetParamVal<ParamType::TEGLBoolean, EGLBoolean>(const ParamValue &value)
+{
+    return value.EGLBooleanVal;
+}
+
+template <>
+inline EGLClientBuffer GetParamVal<ParamType::TEGLClientBuffer, EGLClientBuffer>(
+    const ParamValue &value)
+{
+    return value.EGLClientBufferVal;
+}
+
+template <>
+inline EGLConfig GetParamVal<ParamType::TEGLConfig, EGLConfig>(const ParamValue &value)
+{
+    return value.EGLConfigVal;
+}
+
+template <>
+inline EGLContext GetParamVal<ParamType::TEGLContext, EGLContext>(const ParamValue &value)
+{
+    return value.EGLContextVal;
+}
+
+template <>
+inline EGLDEBUGPROCKHR GetParamVal<ParamType::TEGLDEBUGPROCKHR, EGLDEBUGPROCKHR>(
+    const ParamValue &value)
+{
+    return value.EGLDEBUGPROCKHRVal;
+}
+
+template <>
+inline EGLDeviceEXT GetParamVal<ParamType::TEGLDeviceEXT, EGLDeviceEXT>(const ParamValue &value)
+{
+    return value.EGLDeviceEXTVal;
+}
+
+template <>
+inline EGLDisplay GetParamVal<ParamType::TEGLDisplay, EGLDisplay>(const ParamValue &value)
+{
+    return value.EGLDisplayVal;
+}
+
+template <>
+inline EGLFrameTokenANGLE GetParamVal<ParamType::TEGLFrameTokenANGLE, EGLFrameTokenANGLE>(
+    const ParamValue &value)
+{
+    return value.EGLFrameTokenANGLEVal;
+}
+
+template <>
+inline EGLGetBlobFuncANDROID GetParamVal<ParamType::TEGLGetBlobFuncANDROID, EGLGetBlobFuncANDROID>(
+    const ParamValue &value)
+{
+    return value.EGLGetBlobFuncANDROIDVal;
+}
+
+template <>
+inline EGLImage GetParamVal<ParamType::TEGLImage, EGLImage>(const ParamValue &value)
+{
+    return value.EGLImageVal;
+}
+
+template <>
+inline EGLLabelKHR GetParamVal<ParamType::TEGLLabelKHR, EGLLabelKHR>(const ParamValue &value)
+{
+    return value.EGLLabelKHRVal;
+}
+
+template <>
+inline EGLNativeDisplayType GetParamVal<ParamType::TEGLNativeDisplayType, EGLNativeDisplayType>(
+    const ParamValue &value)
+{
+    return value.EGLNativeDisplayTypeVal;
+}
+
+template <>
+inline EGLNativePixmapType GetParamVal<ParamType::TEGLNativePixmapType, EGLNativePixmapType>(
+    const ParamValue &value)
+{
+    return value.EGLNativePixmapTypeVal;
+}
+
+template <>
+inline EGLNativeWindowType GetParamVal<ParamType::TEGLNativeWindowType, EGLNativeWindowType>(
+    const ParamValue &value)
+{
+    return value.EGLNativeWindowTypeVal;
+}
+
+template <>
+inline EGLObjectKHR GetParamVal<ParamType::TEGLObjectKHR, EGLObjectKHR>(const ParamValue &value)
+{
+    return value.EGLObjectKHRVal;
+}
+
+template <>
+inline EGLSetBlobFuncANDROID GetParamVal<ParamType::TEGLSetBlobFuncANDROID, EGLSetBlobFuncANDROID>(
+    const ParamValue &value)
+{
+    return value.EGLSetBlobFuncANDROIDVal;
+}
+
+template <>
+inline EGLStreamKHR GetParamVal<ParamType::TEGLStreamKHR, EGLStreamKHR>(const ParamValue &value)
+{
+    return value.EGLStreamKHRVal;
+}
+
+template <>
+inline EGLSurface GetParamVal<ParamType::TEGLSurface, EGLSurface>(const ParamValue &value)
+{
+    return value.EGLSurfaceVal;
+}
+
+template <>
+inline EGLSync GetParamVal<ParamType::TEGLSync, EGLSync>(const ParamValue &value)
+{
+    return value.EGLSyncVal;
+}
+
+template <>
+inline EGLTime GetParamVal<ParamType::TEGLTime, EGLTime>(const ParamValue &value)
+{
+    return value.EGLTimeVal;
+}
+
+template <>
+inline EGLTimeKHR GetParamVal<ParamType::TEGLTimeKHR, EGLTimeKHR>(const ParamValue &value)
+{
+    return value.EGLTimeKHRVal;
+}
+
+template <>
+inline EGLenum GetParamVal<ParamType::TEGLenum, EGLenum>(const ParamValue &value)
+{
+    return value.EGLenumVal;
+}
+
+template <>
+inline EGLint GetParamVal<ParamType::TEGLint, EGLint>(const ParamValue &value)
+{
+    return value.EGLintVal;
+}
+
+template <>
+inline EGLnsecsANDROID GetParamVal<ParamType::TEGLnsecsANDROID, EGLnsecsANDROID>(
+    const ParamValue &value)
+{
+    return value.EGLnsecsANDROIDVal;
+}
+
+template <>
+inline EGLuint64KHR GetParamVal<ParamType::TEGLuint64KHR, EGLuint64KHR>(const ParamValue &value)
+{
+    return value.EGLuint64KHRVal;
+}
+
+template <>
+inline gl::FenceNVID GetParamVal<ParamType::TFenceNVID, gl::FenceNVID>(const ParamValue &value)
+{
+    return value.FenceNVIDVal;
+}
+
+template <>
+inline const gl::FenceNVID *GetParamVal<ParamType::TFenceNVIDConstPointer, const gl::FenceNVID *>(
+    const ParamValue &value)
+{
+    return value.FenceNVIDConstPointerVal;
+}
+
+template <>
+inline gl::FenceNVID *GetParamVal<ParamType::TFenceNVIDPointer, gl::FenceNVID *>(
+    const ParamValue &value)
+{
+    return value.FenceNVIDPointerVal;
+}
+
+template <>
+inline gl::FramebufferID GetParamVal<ParamType::TFramebufferID, gl::FramebufferID>(
+    const ParamValue &value)
+{
+    return value.FramebufferIDVal;
+}
+
+template <>
+inline const gl::FramebufferID *GetParamVal<ParamType::TFramebufferIDConstPointer,
+                                            const gl::FramebufferID *>(const ParamValue &value)
+{
+    return value.FramebufferIDConstPointerVal;
+}
+
+template <>
+inline gl::FramebufferID *GetParamVal<ParamType::TFramebufferIDPointer, gl::FramebufferID *>(
+    const ParamValue &value)
+{
+    return value.FramebufferIDPointerVal;
+}
+
+template <>
+inline GLDEBUGPROC GetParamVal<ParamType::TGLDEBUGPROC, GLDEBUGPROC>(const ParamValue &value)
+{
+    return value.GLDEBUGPROCVal;
+}
+
+template <>
+inline GLDEBUGPROCKHR GetParamVal<ParamType::TGLDEBUGPROCKHR, GLDEBUGPROCKHR>(
+    const ParamValue &value)
+{
+    return value.GLDEBUGPROCKHRVal;
+}
+
+template <>
+inline GLbitfield GetParamVal<ParamType::TGLbitfield, GLbitfield>(const ParamValue &value)
+{
+    return value.GLbitfieldVal;
+}
+
+template <>
+inline GLboolean GetParamVal<ParamType::TGLboolean, GLboolean>(const ParamValue &value)
+{
+    return value.GLbooleanVal;
+}
+
+template <>
+inline const GLboolean *GetParamVal<ParamType::TGLbooleanConstPointer, const GLboolean *>(
+    const ParamValue &value)
+{
+    return value.GLbooleanConstPointerVal;
+}
+
+template <>
+inline GLboolean *GetParamVal<ParamType::TGLbooleanPointer, GLboolean *>(const ParamValue &value)
+{
+    return value.GLbooleanPointerVal;
+}
+
+template <>
+inline GLbyte GetParamVal<ParamType::TGLbyte, GLbyte>(const ParamValue &value)
+{
+    return value.GLbyteVal;
+}
+
+template <>
+inline const GLbyte *GetParamVal<ParamType::TGLbyteConstPointer, const GLbyte *>(
+    const ParamValue &value)
+{
+    return value.GLbyteConstPointerVal;
+}
+
+template <>
+inline const GLchar *GetParamVal<ParamType::TGLcharConstPointer, const GLchar *>(
+    const ParamValue &value)
+{
+    return value.GLcharConstPointerVal;
+}
+
+template <>
+inline const GLchar *const *
+GetParamVal<ParamType::TGLcharConstPointerPointer, const GLchar *const *>(const ParamValue &value)
+{
+    return value.GLcharConstPointerPointerVal;
+}
+
+template <>
+inline GLchar *GetParamVal<ParamType::TGLcharPointer, GLchar *>(const ParamValue &value)
+{
+    return value.GLcharPointerVal;
+}
+
+template <>
+inline GLclampx GetParamVal<ParamType::TGLclampx, GLclampx>(const ParamValue &value)
+{
+    return value.GLclampxVal;
+}
+
+template <>
+inline GLdouble GetParamVal<ParamType::TGLdouble, GLdouble>(const ParamValue &value)
+{
+    return value.GLdoubleVal;
+}
+
+template <>
+inline const GLdouble *GetParamVal<ParamType::TGLdoubleConstPointer, const GLdouble *>(
+    const ParamValue &value)
+{
+    return value.GLdoubleConstPointerVal;
+}
+
+template <>
+inline GLdouble *GetParamVal<ParamType::TGLdoublePointer, GLdouble *>(const ParamValue &value)
+{
+    return value.GLdoublePointerVal;
+}
+
+template <>
+inline GLeglClientBufferEXT GetParamVal<ParamType::TGLeglClientBufferEXT, GLeglClientBufferEXT>(
+    const ParamValue &value)
+{
+    return value.GLeglClientBufferEXTVal;
+}
+
+template <>
+inline GLeglImageOES GetParamVal<ParamType::TGLeglImageOES, GLeglImageOES>(const ParamValue &value)
+{
+    return value.GLeglImageOESVal;
+}
+
+template <>
+inline GLenum GetParamVal<ParamType::TGLenum, GLenum>(const ParamValue &value)
+{
+    return value.GLenumVal;
+}
+
+template <>
+inline const GLenum *GetParamVal<ParamType::TGLenumConstPointer, const GLenum *>(
+    const ParamValue &value)
+{
+    return value.GLenumConstPointerVal;
+}
+
+template <>
+inline GLenum *GetParamVal<ParamType::TGLenumPointer, GLenum *>(const ParamValue &value)
+{
+    return value.GLenumPointerVal;
+}
+
+template <>
+inline GLfixed GetParamVal<ParamType::TGLfixed, GLfixed>(const ParamValue &value)
+{
+    return value.GLfixedVal;
+}
+
+template <>
+inline const GLfixed *GetParamVal<ParamType::TGLfixedConstPointer, const GLfixed *>(
+    const ParamValue &value)
+{
+    return value.GLfixedConstPointerVal;
+}
+
+template <>
+inline GLfixed *GetParamVal<ParamType::TGLfixedPointer, GLfixed *>(const ParamValue &value)
+{
+    return value.GLfixedPointerVal;
+}
+
+template <>
+inline GLfloat GetParamVal<ParamType::TGLfloat, GLfloat>(const ParamValue &value)
+{
+    return value.GLfloatVal;
+}
+
+template <>
+inline const GLfloat *GetParamVal<ParamType::TGLfloatConstPointer, const GLfloat *>(
+    const ParamValue &value)
+{
+    return value.GLfloatConstPointerVal;
+}
+
+template <>
+inline GLfloat *GetParamVal<ParamType::TGLfloatPointer, GLfloat *>(const ParamValue &value)
+{
+    return value.GLfloatPointerVal;
+}
+
+template <>
+inline GLint GetParamVal<ParamType::TGLint, GLint>(const ParamValue &value)
+{
+    return value.GLintVal;
+}
+
+template <>
+inline GLint64 *GetParamVal<ParamType::TGLint64Pointer, GLint64 *>(const ParamValue &value)
+{
+    return value.GLint64PointerVal;
+}
+
+template <>
+inline const GLint *GetParamVal<ParamType::TGLintConstPointer, const GLint *>(
+    const ParamValue &value)
+{
+    return value.GLintConstPointerVal;
+}
+
+template <>
+inline GLint *GetParamVal<ParamType::TGLintPointer, GLint *>(const ParamValue &value)
+{
+    return value.GLintPointerVal;
+}
+
+template <>
+inline GLintptr GetParamVal<ParamType::TGLintptr, GLintptr>(const ParamValue &value)
+{
+    return value.GLintptrVal;
+}
+
+template <>
+inline const GLintptr *GetParamVal<ParamType::TGLintptrConstPointer, const GLintptr *>(
+    const ParamValue &value)
+{
+    return value.GLintptrConstPointerVal;
+}
+
+template <>
+inline GLshort GetParamVal<ParamType::TGLshort, GLshort>(const ParamValue &value)
+{
+    return value.GLshortVal;
+}
+
+template <>
+inline const GLshort *GetParamVal<ParamType::TGLshortConstPointer, const GLshort *>(
+    const ParamValue &value)
+{
+    return value.GLshortConstPointerVal;
+}
+
+template <>
+inline GLsizei GetParamVal<ParamType::TGLsizei, GLsizei>(const ParamValue &value)
+{
+    return value.GLsizeiVal;
+}
+
+template <>
+inline const GLsizei *GetParamVal<ParamType::TGLsizeiConstPointer, const GLsizei *>(
+    const ParamValue &value)
+{
+    return value.GLsizeiConstPointerVal;
+}
+
+template <>
+inline GLsizei *GetParamVal<ParamType::TGLsizeiPointer, GLsizei *>(const ParamValue &value)
+{
+    return value.GLsizeiPointerVal;
+}
+
+template <>
+inline GLsizeiptr GetParamVal<ParamType::TGLsizeiptr, GLsizeiptr>(const ParamValue &value)
+{
+    return value.GLsizeiptrVal;
+}
+
+template <>
+inline const GLsizeiptr *GetParamVal<ParamType::TGLsizeiptrConstPointer, const GLsizeiptr *>(
+    const ParamValue &value)
+{
+    return value.GLsizeiptrConstPointerVal;
+}
+
+template <>
+inline GLsync GetParamVal<ParamType::TGLsync, GLsync>(const ParamValue &value)
+{
+    return value.GLsyncVal;
+}
+
+template <>
+inline GLubyte GetParamVal<ParamType::TGLubyte, GLubyte>(const ParamValue &value)
+{
+    return value.GLubyteVal;
+}
+
+template <>
+inline const GLubyte *GetParamVal<ParamType::TGLubyteConstPointer, const GLubyte *>(
+    const ParamValue &value)
+{
+    return value.GLubyteConstPointerVal;
+}
+
+template <>
+inline GLubyte *GetParamVal<ParamType::TGLubytePointer, GLubyte *>(const ParamValue &value)
+{
+    return value.GLubytePointerVal;
+}
+
+template <>
+inline GLuint GetParamVal<ParamType::TGLuint, GLuint>(const ParamValue &value)
+{
+    return value.GLuintVal;
+}
+
+template <>
+inline GLuint64 GetParamVal<ParamType::TGLuint64, GLuint64>(const ParamValue &value)
+{
+    return value.GLuint64Val;
+}
+
+template <>
+inline const GLuint64 *GetParamVal<ParamType::TGLuint64ConstPointer, const GLuint64 *>(
+    const ParamValue &value)
+{
+    return value.GLuint64ConstPointerVal;
+}
+
+template <>
+inline GLuint64 *GetParamVal<ParamType::TGLuint64Pointer, GLuint64 *>(const ParamValue &value)
+{
+    return value.GLuint64PointerVal;
+}
+
+template <>
+inline const GLuint *GetParamVal<ParamType::TGLuintConstPointer, const GLuint *>(
+    const ParamValue &value)
+{
+    return value.GLuintConstPointerVal;
+}
+
+template <>
+inline GLuint *GetParamVal<ParamType::TGLuintPointer, GLuint *>(const ParamValue &value)
+{
+    return value.GLuintPointerVal;
+}
+
+template <>
+inline GLushort GetParamVal<ParamType::TGLushort, GLushort>(const ParamValue &value)
+{
+    return value.GLushortVal;
+}
+
+template <>
+inline const GLushort *GetParamVal<ParamType::TGLushortConstPointer, const GLushort *>(
+    const ParamValue &value)
+{
+    return value.GLushortConstPointerVal;
+}
+
+template <>
+inline GLushort *GetParamVal<ParamType::TGLushortPointer, GLushort *>(const ParamValue &value)
+{
+    return value.GLushortPointerVal;
+}
+
+template <>
+inline const GLvoid *GetParamVal<ParamType::TGLvoidConstPointer, const GLvoid *>(
+    const ParamValue &value)
+{
+    return value.GLvoidConstPointerVal;
+}
+
+template <>
+inline const GLvoid *const *
+GetParamVal<ParamType::TGLvoidConstPointerPointer, const GLvoid *const *>(const ParamValue &value)
+{
+    return value.GLvoidConstPointerPointerVal;
+}
+
+template <>
+inline gl::GraphicsResetStatus
+GetParamVal<ParamType::TGraphicsResetStatus, gl::GraphicsResetStatus>(const ParamValue &value)
+{
+    return value.GraphicsResetStatusVal;
+}
+
+template <>
+inline gl::HandleType GetParamVal<ParamType::THandleType, gl::HandleType>(const ParamValue &value)
+{
+    return value.HandleTypeVal;
+}
+
+template <>
+inline gl::LightParameter GetParamVal<ParamType::TLightParameter, gl::LightParameter>(
+    const ParamValue &value)
+{
+    return value.LightParameterVal;
+}
+
+template <>
+inline gl::LogicalOperation GetParamVal<ParamType::TLogicalOperation, gl::LogicalOperation>(
+    const ParamValue &value)
+{
+    return value.LogicalOperationVal;
+}
+
+template <>
+inline gl::MaterialParameter GetParamVal<ParamType::TMaterialParameter, gl::MaterialParameter>(
+    const ParamValue &value)
+{
+    return value.MaterialParameterVal;
+}
+
+template <>
+inline gl::MatrixType GetParamVal<ParamType::TMatrixType, gl::MatrixType>(const ParamValue &value)
+{
+    return value.MatrixTypeVal;
+}
+
+template <>
+inline gl::MemoryObjectID GetParamVal<ParamType::TMemoryObjectID, gl::MemoryObjectID>(
+    const ParamValue &value)
+{
+    return value.MemoryObjectIDVal;
+}
+
+template <>
+inline const gl::MemoryObjectID *GetParamVal<ParamType::TMemoryObjectIDConstPointer,
+                                             const gl::MemoryObjectID *>(const ParamValue &value)
+{
+    return value.MemoryObjectIDConstPointerVal;
+}
+
+template <>
+inline gl::MemoryObjectID *GetParamVal<ParamType::TMemoryObjectIDPointer, gl::MemoryObjectID *>(
+    const ParamValue &value)
+{
+    return value.MemoryObjectIDPointerVal;
+}
+
+template <>
+inline egl::ObjectType GetParamVal<ParamType::TObjectType, egl::ObjectType>(const ParamValue &value)
+{
+    return value.ObjectTypeVal;
+}
+
+template <>
+inline gl::PointParameter GetParamVal<ParamType::TPointParameter, gl::PointParameter>(
+    const ParamValue &value)
+{
+    return value.PointParameterVal;
+}
+
+template <>
+inline gl::PrimitiveMode GetParamVal<ParamType::TPrimitiveMode, gl::PrimitiveMode>(
+    const ParamValue &value)
+{
+    return value.PrimitiveModeVal;
+}
+
+template <>
+inline gl::ProgramPipelineID GetParamVal<ParamType::TProgramPipelineID, gl::ProgramPipelineID>(
+    const ParamValue &value)
+{
+    return value.ProgramPipelineIDVal;
+}
+
+template <>
+inline const gl::ProgramPipelineID *
+GetParamVal<ParamType::TProgramPipelineIDConstPointer, const gl::ProgramPipelineID *>(
+    const ParamValue &value)
+{
+    return value.ProgramPipelineIDConstPointerVal;
+}
+
+template <>
+inline gl::ProgramPipelineID *
+GetParamVal<ParamType::TProgramPipelineIDPointer, gl::ProgramPipelineID *>(const ParamValue &value)
+{
+    return value.ProgramPipelineIDPointerVal;
+}
+
+template <>
+inline gl::ProvokingVertexConvention
+GetParamVal<ParamType::TProvokingVertexConvention, gl::ProvokingVertexConvention>(
+    const ParamValue &value)
+{
+    return value.ProvokingVertexConventionVal;
+}
+
+template <>
+inline gl::QueryID GetParamVal<ParamType::TQueryID, gl::QueryID>(const ParamValue &value)
+{
+    return value.QueryIDVal;
+}
+
+template <>
+inline const gl::QueryID *GetParamVal<ParamType::TQueryIDConstPointer, const gl::QueryID *>(
+    const ParamValue &value)
+{
+    return value.QueryIDConstPointerVal;
+}
+
+template <>
+inline gl::QueryID *GetParamVal<ParamType::TQueryIDPointer, gl::QueryID *>(const ParamValue &value)
+{
+    return value.QueryIDPointerVal;
+}
+
+template <>
+inline gl::QueryType GetParamVal<ParamType::TQueryType, gl::QueryType>(const ParamValue &value)
+{
+    return value.QueryTypeVal;
+}
+
+template <>
+inline gl::RenderbufferID GetParamVal<ParamType::TRenderbufferID, gl::RenderbufferID>(
+    const ParamValue &value)
+{
+    return value.RenderbufferIDVal;
+}
+
+template <>
+inline const gl::RenderbufferID *GetParamVal<ParamType::TRenderbufferIDConstPointer,
+                                             const gl::RenderbufferID *>(const ParamValue &value)
+{
+    return value.RenderbufferIDConstPointerVal;
+}
+
+template <>
+inline gl::RenderbufferID *GetParamVal<ParamType::TRenderbufferIDPointer, gl::RenderbufferID *>(
+    const ParamValue &value)
+{
+    return value.RenderbufferIDPointerVal;
+}
+
+template <>
+inline gl::SamplerID GetParamVal<ParamType::TSamplerID, gl::SamplerID>(const ParamValue &value)
+{
+    return value.SamplerIDVal;
+}
+
+template <>
+inline const gl::SamplerID *GetParamVal<ParamType::TSamplerIDConstPointer, const gl::SamplerID *>(
+    const ParamValue &value)
+{
+    return value.SamplerIDConstPointerVal;
+}
+
+template <>
+inline gl::SamplerID *GetParamVal<ParamType::TSamplerIDPointer, gl::SamplerID *>(
+    const ParamValue &value)
+{
+    return value.SamplerIDPointerVal;
+}
+
+template <>
+inline gl::SemaphoreID GetParamVal<ParamType::TSemaphoreID, gl::SemaphoreID>(
+    const ParamValue &value)
+{
+    return value.SemaphoreIDVal;
+}
+
+template <>
+inline const gl::SemaphoreID *
+GetParamVal<ParamType::TSemaphoreIDConstPointer, const gl::SemaphoreID *>(const ParamValue &value)
+{
+    return value.SemaphoreIDConstPointerVal;
+}
+
+template <>
+inline gl::SemaphoreID *GetParamVal<ParamType::TSemaphoreIDPointer, gl::SemaphoreID *>(
+    const ParamValue &value)
+{
+    return value.SemaphoreIDPointerVal;
+}
+
+template <>
+inline gl::ShaderProgramID GetParamVal<ParamType::TShaderProgramID, gl::ShaderProgramID>(
+    const ParamValue &value)
+{
+    return value.ShaderProgramIDVal;
+}
+
+template <>
+inline const gl::ShaderProgramID *GetParamVal<ParamType::TShaderProgramIDConstPointer,
+                                              const gl::ShaderProgramID *>(const ParamValue &value)
+{
+    return value.ShaderProgramIDConstPointerVal;
+}
+
+template <>
+inline gl::ShaderProgramID *GetParamVal<ParamType::TShaderProgramIDPointer, gl::ShaderProgramID *>(
+    const ParamValue &value)
+{
+    return value.ShaderProgramIDPointerVal;
+}
+
+template <>
+inline gl::ShaderType GetParamVal<ParamType::TShaderType, gl::ShaderType>(const ParamValue &value)
+{
+    return value.ShaderTypeVal;
+}
+
+template <>
+inline gl::ShadingModel GetParamVal<ParamType::TShadingModel, gl::ShadingModel>(
+    const ParamValue &value)
+{
+    return value.ShadingModelVal;
+}
+
+template <>
+inline gl::TextureEnvParameter
+GetParamVal<ParamType::TTextureEnvParameter, gl::TextureEnvParameter>(const ParamValue &value)
+{
+    return value.TextureEnvParameterVal;
+}
+
+template <>
+inline gl::TextureEnvTarget GetParamVal<ParamType::TTextureEnvTarget, gl::TextureEnvTarget>(
+    const ParamValue &value)
+{
+    return value.TextureEnvTargetVal;
+}
+
+template <>
+inline gl::TextureID GetParamVal<ParamType::TTextureID, gl::TextureID>(const ParamValue &value)
+{
+    return value.TextureIDVal;
+}
+
+template <>
+inline const gl::TextureID *GetParamVal<ParamType::TTextureIDConstPointer, const gl::TextureID *>(
+    const ParamValue &value)
+{
+    return value.TextureIDConstPointerVal;
+}
+
+template <>
+inline gl::TextureID *GetParamVal<ParamType::TTextureIDPointer, gl::TextureID *>(
+    const ParamValue &value)
+{
+    return value.TextureIDPointerVal;
+}
+
+template <>
+inline gl::TextureTarget GetParamVal<ParamType::TTextureTarget, gl::TextureTarget>(
+    const ParamValue &value)
+{
+    return value.TextureTargetVal;
+}
+
+template <>
+inline gl::TextureType GetParamVal<ParamType::TTextureType, gl::TextureType>(
+    const ParamValue &value)
+{
+    return value.TextureTypeVal;
+}
+
+template <>
+inline egl::Timestamp GetParamVal<ParamType::TTimestamp, egl::Timestamp>(const ParamValue &value)
+{
+    return value.TimestampVal;
+}
+
+template <>
+inline gl::TransformFeedbackID
+GetParamVal<ParamType::TTransformFeedbackID, gl::TransformFeedbackID>(const ParamValue &value)
+{
+    return value.TransformFeedbackIDVal;
+}
+
+template <>
+inline const gl::TransformFeedbackID *
+GetParamVal<ParamType::TTransformFeedbackIDConstPointer, const gl::TransformFeedbackID *>(
+    const ParamValue &value)
+{
+    return value.TransformFeedbackIDConstPointerVal;
+}
+
+template <>
+inline gl::TransformFeedbackID *GetParamVal<ParamType::TTransformFeedbackIDPointer,
+                                            gl::TransformFeedbackID *>(const ParamValue &value)
+{
+    return value.TransformFeedbackIDPointerVal;
+}
+
+template <>
+inline gl::UniformBlockIndex GetParamVal<ParamType::TUniformBlockIndex, gl::UniformBlockIndex>(
+    const ParamValue &value)
+{
+    return value.UniformBlockIndexVal;
+}
+
+template <>
+inline gl::UniformLocation GetParamVal<ParamType::TUniformLocation, gl::UniformLocation>(
+    const ParamValue &value)
+{
+    return value.UniformLocationVal;
+}
+
+template <>
+inline gl::VertexArrayID GetParamVal<ParamType::TVertexArrayID, gl::VertexArrayID>(
+    const ParamValue &value)
+{
+    return value.VertexArrayIDVal;
+}
+
+template <>
+inline const gl::VertexArrayID *GetParamVal<ParamType::TVertexArrayIDConstPointer,
+                                            const gl::VertexArrayID *>(const ParamValue &value)
+{
+    return value.VertexArrayIDConstPointerVal;
+}
+
+template <>
+inline gl::VertexArrayID *GetParamVal<ParamType::TVertexArrayIDPointer, gl::VertexArrayID *>(
+    const ParamValue &value)
+{
+    return value.VertexArrayIDPointerVal;
+}
+
+template <>
+inline gl::VertexAttribType GetParamVal<ParamType::TVertexAttribType, gl::VertexAttribType>(
+    const ParamValue &value)
+{
+    return value.VertexAttribTypeVal;
+}
+
+template <>
+inline const char *GetParamVal<ParamType::TcharConstPointer, const char *>(const ParamValue &value)
+{
+    return value.charConstPointerVal;
+}
+
+template <>
+inline const void *GetParamVal<ParamType::TvoidConstPointer, const void *>(const ParamValue &value)
+{
+    return value.voidConstPointerVal;
+}
+
+template <>
+inline const void *const *GetParamVal<ParamType::TvoidConstPointerPointer, const void *const *>(
+    const ParamValue &value)
+{
+    return value.voidConstPointerPointerVal;
+}
+
+template <>
+inline void *GetParamVal<ParamType::TvoidPointer, void *>(const ParamValue &value)
+{
+    return value.voidPointerVal;
+}
+
+template <>
+inline void **GetParamVal<ParamType::TvoidPointerPointer, void **>(const ParamValue &value)
+{
+    return value.voidPointerPointerVal;
+}
+
+template <ParamType PType, typename T>
+T GetParamVal(const ParamValue &value)
+{
+    UNREACHABLE();
+    return T();
+}
+
+template <typename T>
+T AccessParamValue(ParamType paramType, const ParamValue &value)
+{
+    switch (paramType)
+    {
+        case ParamType::TAHardwareBufferConstPointer:
+            return GetParamVal<ParamType::TAHardwareBufferConstPointer, T>(value);
+        case ParamType::TAlphaTestFunc:
+            return GetParamVal<ParamType::TAlphaTestFunc, T>(value);
+        case ParamType::TBufferBinding:
+            return GetParamVal<ParamType::TBufferBinding, T>(value);
+        case ParamType::TBufferID:
+            return GetParamVal<ParamType::TBufferID, T>(value);
+        case ParamType::TBufferIDConstPointer:
+            return GetParamVal<ParamType::TBufferIDConstPointer, T>(value);
+        case ParamType::TBufferIDPointer:
+            return GetParamVal<ParamType::TBufferIDPointer, T>(value);
+        case ParamType::TBufferUsage:
+            return GetParamVal<ParamType::TBufferUsage, T>(value);
+        case ParamType::TClientVertexArrayType:
+            return GetParamVal<ParamType::TClientVertexArrayType, T>(value);
+        case ParamType::TCompositorTiming:
+            return GetParamVal<ParamType::TCompositorTiming, T>(value);
+        case ParamType::TCullFaceMode:
+            return GetParamVal<ParamType::TCullFaceMode, T>(value);
+        case ParamType::TDrawElementsType:
+            return GetParamVal<ParamType::TDrawElementsType, T>(value);
+        case ParamType::TEGLAttrib:
+            return GetParamVal<ParamType::TEGLAttrib, T>(value);
+        case ParamType::TEGLAttribKHR:
+            return GetParamVal<ParamType::TEGLAttribKHR, T>(value);
+        case ParamType::TEGLBoolean:
+            return GetParamVal<ParamType::TEGLBoolean, T>(value);
+        case ParamType::TEGLClientBuffer:
+            return GetParamVal<ParamType::TEGLClientBuffer, T>(value);
+        case ParamType::TEGLConfig:
+            return GetParamVal<ParamType::TEGLConfig, T>(value);
+        case ParamType::TEGLContext:
+            return GetParamVal<ParamType::TEGLContext, T>(value);
+        case ParamType::TEGLDEBUGPROCKHR:
+            return GetParamVal<ParamType::TEGLDEBUGPROCKHR, T>(value);
+        case ParamType::TEGLDeviceEXT:
+            return GetParamVal<ParamType::TEGLDeviceEXT, T>(value);
+        case ParamType::TEGLDisplay:
+            return GetParamVal<ParamType::TEGLDisplay, T>(value);
+        case ParamType::TEGLFrameTokenANGLE:
+            return GetParamVal<ParamType::TEGLFrameTokenANGLE, T>(value);
+        case ParamType::TEGLGetBlobFuncANDROID:
+            return GetParamVal<ParamType::TEGLGetBlobFuncANDROID, T>(value);
+        case ParamType::TEGLImage:
+            return GetParamVal<ParamType::TEGLImage, T>(value);
+        case ParamType::TEGLLabelKHR:
+            return GetParamVal<ParamType::TEGLLabelKHR, T>(value);
+        case ParamType::TEGLNativeDisplayType:
+            return GetParamVal<ParamType::TEGLNativeDisplayType, T>(value);
+        case ParamType::TEGLNativePixmapType:
+            return GetParamVal<ParamType::TEGLNativePixmapType, T>(value);
+        case ParamType::TEGLNativeWindowType:
+            return GetParamVal<ParamType::TEGLNativeWindowType, T>(value);
+        case ParamType::TEGLObjectKHR:
+            return GetParamVal<ParamType::TEGLObjectKHR, T>(value);
+        case ParamType::TEGLSetBlobFuncANDROID:
+            return GetParamVal<ParamType::TEGLSetBlobFuncANDROID, T>(value);
+        case ParamType::TEGLStreamKHR:
+            return GetParamVal<ParamType::TEGLStreamKHR, T>(value);
+        case ParamType::TEGLSurface:
+            return GetParamVal<ParamType::TEGLSurface, T>(value);
+        case ParamType::TEGLSync:
+            return GetParamVal<ParamType::TEGLSync, T>(value);
+        case ParamType::TEGLTime:
+            return GetParamVal<ParamType::TEGLTime, T>(value);
+        case ParamType::TEGLTimeKHR:
+            return GetParamVal<ParamType::TEGLTimeKHR, T>(value);
+        case ParamType::TEGLenum:
+            return GetParamVal<ParamType::TEGLenum, T>(value);
+        case ParamType::TEGLint:
+            return GetParamVal<ParamType::TEGLint, T>(value);
+        case ParamType::TEGLnsecsANDROID:
+            return GetParamVal<ParamType::TEGLnsecsANDROID, T>(value);
+        case ParamType::TEGLuint64KHR:
+            return GetParamVal<ParamType::TEGLuint64KHR, T>(value);
+        case ParamType::TFenceNVID:
+            return GetParamVal<ParamType::TFenceNVID, T>(value);
+        case ParamType::TFenceNVIDConstPointer:
+            return GetParamVal<ParamType::TFenceNVIDConstPointer, T>(value);
+        case ParamType::TFenceNVIDPointer:
+            return GetParamVal<ParamType::TFenceNVIDPointer, T>(value);
+        case ParamType::TFramebufferID:
+            return GetParamVal<ParamType::TFramebufferID, T>(value);
+        case ParamType::TFramebufferIDConstPointer:
+            return GetParamVal<ParamType::TFramebufferIDConstPointer, T>(value);
+        case ParamType::TFramebufferIDPointer:
+            return GetParamVal<ParamType::TFramebufferIDPointer, T>(value);
+        case ParamType::TGLDEBUGPROC:
+            return GetParamVal<ParamType::TGLDEBUGPROC, T>(value);
+        case ParamType::TGLDEBUGPROCKHR:
+            return GetParamVal<ParamType::TGLDEBUGPROCKHR, T>(value);
+        case ParamType::TGLbitfield:
+            return GetParamVal<ParamType::TGLbitfield, T>(value);
+        case ParamType::TGLboolean:
+            return GetParamVal<ParamType::TGLboolean, T>(value);
+        case ParamType::TGLbooleanConstPointer:
+            return GetParamVal<ParamType::TGLbooleanConstPointer, T>(value);
+        case ParamType::TGLbooleanPointer:
+            return GetParamVal<ParamType::TGLbooleanPointer, T>(value);
+        case ParamType::TGLbyte:
+            return GetParamVal<ParamType::TGLbyte, T>(value);
+        case ParamType::TGLbyteConstPointer:
+            return GetParamVal<ParamType::TGLbyteConstPointer, T>(value);
+        case ParamType::TGLcharConstPointer:
+            return GetParamVal<ParamType::TGLcharConstPointer, T>(value);
+        case ParamType::TGLcharConstPointerPointer:
+            return GetParamVal<ParamType::TGLcharConstPointerPointer, T>(value);
+        case ParamType::TGLcharPointer:
+            return GetParamVal<ParamType::TGLcharPointer, T>(value);
+        case ParamType::TGLclampx:
+            return GetParamVal<ParamType::TGLclampx, T>(value);
+        case ParamType::TGLdouble:
+            return GetParamVal<ParamType::TGLdouble, T>(value);
+        case ParamType::TGLdoubleConstPointer:
+            return GetParamVal<ParamType::TGLdoubleConstPointer, T>(value);
+        case ParamType::TGLdoublePointer:
+            return GetParamVal<ParamType::TGLdoublePointer, T>(value);
+        case ParamType::TGLeglClientBufferEXT:
+            return GetParamVal<ParamType::TGLeglClientBufferEXT, T>(value);
+        case ParamType::TGLeglImageOES:
+            return GetParamVal<ParamType::TGLeglImageOES, T>(value);
+        case ParamType::TGLenum:
+            return GetParamVal<ParamType::TGLenum, T>(value);
+        case ParamType::TGLenumConstPointer:
+            return GetParamVal<ParamType::TGLenumConstPointer, T>(value);
+        case ParamType::TGLenumPointer:
+            return GetParamVal<ParamType::TGLenumPointer, T>(value);
+        case ParamType::TGLfixed:
+            return GetParamVal<ParamType::TGLfixed, T>(value);
+        case ParamType::TGLfixedConstPointer:
+            return GetParamVal<ParamType::TGLfixedConstPointer, T>(value);
+        case ParamType::TGLfixedPointer:
+            return GetParamVal<ParamType::TGLfixedPointer, T>(value);
+        case ParamType::TGLfloat:
+            return GetParamVal<ParamType::TGLfloat, T>(value);
+        case ParamType::TGLfloatConstPointer:
+            return GetParamVal<ParamType::TGLfloatConstPointer, T>(value);
+        case ParamType::TGLfloatPointer:
+            return GetParamVal<ParamType::TGLfloatPointer, T>(value);
+        case ParamType::TGLint:
+            return GetParamVal<ParamType::TGLint, T>(value);
+        case ParamType::TGLint64Pointer:
+            return GetParamVal<ParamType::TGLint64Pointer, T>(value);
+        case ParamType::TGLintConstPointer:
+            return GetParamVal<ParamType::TGLintConstPointer, T>(value);
+        case ParamType::TGLintPointer:
+            return GetParamVal<ParamType::TGLintPointer, T>(value);
+        case ParamType::TGLintptr:
+            return GetParamVal<ParamType::TGLintptr, T>(value);
+        case ParamType::TGLintptrConstPointer:
+            return GetParamVal<ParamType::TGLintptrConstPointer, T>(value);
+        case ParamType::TGLshort:
+            return GetParamVal<ParamType::TGLshort, T>(value);
+        case ParamType::TGLshortConstPointer:
+            return GetParamVal<ParamType::TGLshortConstPointer, T>(value);
+        case ParamType::TGLsizei:
+            return GetParamVal<ParamType::TGLsizei, T>(value);
+        case ParamType::TGLsizeiConstPointer:
+            return GetParamVal<ParamType::TGLsizeiConstPointer, T>(value);
+        case ParamType::TGLsizeiPointer:
+            return GetParamVal<ParamType::TGLsizeiPointer, T>(value);
+        case ParamType::TGLsizeiptr:
+            return GetParamVal<ParamType::TGLsizeiptr, T>(value);
+        case ParamType::TGLsizeiptrConstPointer:
+            return GetParamVal<ParamType::TGLsizeiptrConstPointer, T>(value);
+        case ParamType::TGLsync:
+            return GetParamVal<ParamType::TGLsync, T>(value);
+        case ParamType::TGLubyte:
+            return GetParamVal<ParamType::TGLubyte, T>(value);
+        case ParamType::TGLubyteConstPointer:
+            return GetParamVal<ParamType::TGLubyteConstPointer, T>(value);
+        case ParamType::TGLubytePointer:
+            return GetParamVal<ParamType::TGLubytePointer, T>(value);
+        case ParamType::TGLuint:
+            return GetParamVal<ParamType::TGLuint, T>(value);
+        case ParamType::TGLuint64:
+            return GetParamVal<ParamType::TGLuint64, T>(value);
+        case ParamType::TGLuint64ConstPointer:
+            return GetParamVal<ParamType::TGLuint64ConstPointer, T>(value);
+        case ParamType::TGLuint64Pointer:
+            return GetParamVal<ParamType::TGLuint64Pointer, T>(value);
+        case ParamType::TGLuintConstPointer:
+            return GetParamVal<ParamType::TGLuintConstPointer, T>(value);
+        case ParamType::TGLuintPointer:
+            return GetParamVal<ParamType::TGLuintPointer, T>(value);
+        case ParamType::TGLushort:
+            return GetParamVal<ParamType::TGLushort, T>(value);
+        case ParamType::TGLushortConstPointer:
+            return GetParamVal<ParamType::TGLushortConstPointer, T>(value);
+        case ParamType::TGLushortPointer:
+            return GetParamVal<ParamType::TGLushortPointer, T>(value);
+        case ParamType::TGLvoidConstPointer:
+            return GetParamVal<ParamType::TGLvoidConstPointer, T>(value);
+        case ParamType::TGLvoidConstPointerPointer:
+            return GetParamVal<ParamType::TGLvoidConstPointerPointer, T>(value);
+        case ParamType::TGraphicsResetStatus:
+            return GetParamVal<ParamType::TGraphicsResetStatus, T>(value);
+        case ParamType::THandleType:
+            return GetParamVal<ParamType::THandleType, T>(value);
+        case ParamType::TLightParameter:
+            return GetParamVal<ParamType::TLightParameter, T>(value);
+        case ParamType::TLogicalOperation:
+            return GetParamVal<ParamType::TLogicalOperation, T>(value);
+        case ParamType::TMaterialParameter:
+            return GetParamVal<ParamType::TMaterialParameter, T>(value);
+        case ParamType::TMatrixType:
+            return GetParamVal<ParamType::TMatrixType, T>(value);
+        case ParamType::TMemoryObjectID:
+            return GetParamVal<ParamType::TMemoryObjectID, T>(value);
+        case ParamType::TMemoryObjectIDConstPointer:
+            return GetParamVal<ParamType::TMemoryObjectIDConstPointer, T>(value);
+        case ParamType::TMemoryObjectIDPointer:
+            return GetParamVal<ParamType::TMemoryObjectIDPointer, T>(value);
+        case ParamType::TObjectType:
+            return GetParamVal<ParamType::TObjectType, T>(value);
+        case ParamType::TPointParameter:
+            return GetParamVal<ParamType::TPointParameter, T>(value);
+        case ParamType::TPrimitiveMode:
+            return GetParamVal<ParamType::TPrimitiveMode, T>(value);
+        case ParamType::TProgramPipelineID:
+            return GetParamVal<ParamType::TProgramPipelineID, T>(value);
+        case ParamType::TProgramPipelineIDConstPointer:
+            return GetParamVal<ParamType::TProgramPipelineIDConstPointer, T>(value);
+        case ParamType::TProgramPipelineIDPointer:
+            return GetParamVal<ParamType::TProgramPipelineIDPointer, T>(value);
+        case ParamType::TProvokingVertexConvention:
+            return GetParamVal<ParamType::TProvokingVertexConvention, T>(value);
+        case ParamType::TQueryID:
+            return GetParamVal<ParamType::TQueryID, T>(value);
+        case ParamType::TQueryIDConstPointer:
+            return GetParamVal<ParamType::TQueryIDConstPointer, T>(value);
+        case ParamType::TQueryIDPointer:
+            return GetParamVal<ParamType::TQueryIDPointer, T>(value);
+        case ParamType::TQueryType:
+            return GetParamVal<ParamType::TQueryType, T>(value);
+        case ParamType::TRenderbufferID:
+            return GetParamVal<ParamType::TRenderbufferID, T>(value);
+        case ParamType::TRenderbufferIDConstPointer:
+            return GetParamVal<ParamType::TRenderbufferIDConstPointer, T>(value);
+        case ParamType::TRenderbufferIDPointer:
+            return GetParamVal<ParamType::TRenderbufferIDPointer, T>(value);
+        case ParamType::TSamplerID:
+            return GetParamVal<ParamType::TSamplerID, T>(value);
+        case ParamType::TSamplerIDConstPointer:
+            return GetParamVal<ParamType::TSamplerIDConstPointer, T>(value);
+        case ParamType::TSamplerIDPointer:
+            return GetParamVal<ParamType::TSamplerIDPointer, T>(value);
+        case ParamType::TSemaphoreID:
+            return GetParamVal<ParamType::TSemaphoreID, T>(value);
+        case ParamType::TSemaphoreIDConstPointer:
+            return GetParamVal<ParamType::TSemaphoreIDConstPointer, T>(value);
+        case ParamType::TSemaphoreIDPointer:
+            return GetParamVal<ParamType::TSemaphoreIDPointer, T>(value);
+        case ParamType::TShaderProgramID:
+            return GetParamVal<ParamType::TShaderProgramID, T>(value);
+        case ParamType::TShaderProgramIDConstPointer:
+            return GetParamVal<ParamType::TShaderProgramIDConstPointer, T>(value);
+        case ParamType::TShaderProgramIDPointer:
+            return GetParamVal<ParamType::TShaderProgramIDPointer, T>(value);
+        case ParamType::TShaderType:
+            return GetParamVal<ParamType::TShaderType, T>(value);
+        case ParamType::TShadingModel:
+            return GetParamVal<ParamType::TShadingModel, T>(value);
+        case ParamType::TTextureEnvParameter:
+            return GetParamVal<ParamType::TTextureEnvParameter, T>(value);
+        case ParamType::TTextureEnvTarget:
+            return GetParamVal<ParamType::TTextureEnvTarget, T>(value);
+        case ParamType::TTextureID:
+            return GetParamVal<ParamType::TTextureID, T>(value);
+        case ParamType::TTextureIDConstPointer:
+            return GetParamVal<ParamType::TTextureIDConstPointer, T>(value);
+        case ParamType::TTextureIDPointer:
+            return GetParamVal<ParamType::TTextureIDPointer, T>(value);
+        case ParamType::TTextureTarget:
+            return GetParamVal<ParamType::TTextureTarget, T>(value);
+        case ParamType::TTextureType:
+            return GetParamVal<ParamType::TTextureType, T>(value);
+        case ParamType::TTimestamp:
+            return GetParamVal<ParamType::TTimestamp, T>(value);
+        case ParamType::TTransformFeedbackID:
+            return GetParamVal<ParamType::TTransformFeedbackID, T>(value);
+        case ParamType::TTransformFeedbackIDConstPointer:
+            return GetParamVal<ParamType::TTransformFeedbackIDConstPointer, T>(value);
+        case ParamType::TTransformFeedbackIDPointer:
+            return GetParamVal<ParamType::TTransformFeedbackIDPointer, T>(value);
+        case ParamType::TUniformBlockIndex:
+            return GetParamVal<ParamType::TUniformBlockIndex, T>(value);
+        case ParamType::TUniformLocation:
+            return GetParamVal<ParamType::TUniformLocation, T>(value);
+        case ParamType::TVertexArrayID:
+            return GetParamVal<ParamType::TVertexArrayID, T>(value);
+        case ParamType::TVertexArrayIDConstPointer:
+            return GetParamVal<ParamType::TVertexArrayIDConstPointer, T>(value);
+        case ParamType::TVertexArrayIDPointer:
+            return GetParamVal<ParamType::TVertexArrayIDPointer, T>(value);
+        case ParamType::TVertexAttribType:
+            return GetParamVal<ParamType::TVertexAttribType, T>(value);
+        case ParamType::TcharConstPointer:
+            return GetParamVal<ParamType::TcharConstPointer, T>(value);
+        case ParamType::TvoidConstPointer:
+            return GetParamVal<ParamType::TvoidConstPointer, T>(value);
+        case ParamType::TvoidConstPointerPointer:
+            return GetParamVal<ParamType::TvoidConstPointerPointer, T>(value);
+        case ParamType::TvoidPointer:
+            return GetParamVal<ParamType::TvoidPointer, T>(value);
+        case ParamType::TvoidPointerPointer:
+            return GetParamVal<ParamType::TvoidPointerPointer, T>(value);
+    }
+    UNREACHABLE();
+    return T();
+}
+
+template <ParamType PType, typename T>
+void SetParamVal(T valueIn, ParamValue *valueOut);
+
+template <>
+inline void SetParamVal<ParamType::TAHardwareBufferConstPointer>(const AHardwareBuffer *valueIn,
+                                                                 ParamValue *valueOut)
+{
+    valueOut->AHardwareBufferConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TAlphaTestFunc>(gl::AlphaTestFunc valueIn, ParamValue *valueOut)
+{
+    valueOut->AlphaTestFuncVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TBufferBinding>(gl::BufferBinding valueIn, ParamValue *valueOut)
+{
+    valueOut->BufferBindingVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TBufferID>(gl::BufferID valueIn, ParamValue *valueOut)
+{
+    valueOut->BufferIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TBufferIDConstPointer>(const gl::BufferID *valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->BufferIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TBufferIDPointer>(gl::BufferID *valueIn, ParamValue *valueOut)
+{
+    valueOut->BufferIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TBufferUsage>(gl::BufferUsage valueIn, ParamValue *valueOut)
+{
+    valueOut->BufferUsageVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TClientVertexArrayType>(gl::ClientVertexArrayType valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->ClientVertexArrayTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TCompositorTiming>(egl::CompositorTiming valueIn,
+                                                      ParamValue *valueOut)
+{
+    valueOut->CompositorTimingVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TCullFaceMode>(gl::CullFaceMode valueIn, ParamValue *valueOut)
+{
+    valueOut->CullFaceModeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TDrawElementsType>(gl::DrawElementsType valueIn,
+                                                      ParamValue *valueOut)
+{
+    valueOut->DrawElementsTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLAttrib>(EGLAttrib valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLAttribVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLAttribKHR>(EGLAttribKHR valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLAttribKHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLBoolean>(EGLBoolean valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLBooleanVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLClientBuffer>(EGLClientBuffer valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLClientBufferVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLConfig>(EGLConfig valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLConfigVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLContext>(EGLContext valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLContextVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLDEBUGPROCKHR>(EGLDEBUGPROCKHR valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLDEBUGPROCKHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLDeviceEXT>(EGLDeviceEXT valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLDeviceEXTVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLDisplay>(EGLDisplay valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLDisplayVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLFrameTokenANGLE>(EGLFrameTokenANGLE valueIn,
+                                                        ParamValue *valueOut)
+{
+    valueOut->EGLFrameTokenANGLEVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLGetBlobFuncANDROID>(EGLGetBlobFuncANDROID valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->EGLGetBlobFuncANDROIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLImage>(EGLImage valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLImageVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLLabelKHR>(EGLLabelKHR valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLLabelKHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLNativeDisplayType>(EGLNativeDisplayType valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->EGLNativeDisplayTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLNativePixmapType>(EGLNativePixmapType valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->EGLNativePixmapTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLNativeWindowType>(EGLNativeWindowType valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->EGLNativeWindowTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLObjectKHR>(EGLObjectKHR valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLObjectKHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLSetBlobFuncANDROID>(EGLSetBlobFuncANDROID valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->EGLSetBlobFuncANDROIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLStreamKHR>(EGLStreamKHR valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLStreamKHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLSurface>(EGLSurface valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLSurfaceVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLSync>(EGLSync valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLSyncVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLTime>(EGLTime valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLTimeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLTimeKHR>(EGLTimeKHR valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLTimeKHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLenum>(EGLenum valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLenumVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLint>(EGLint valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLintVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLnsecsANDROID>(EGLnsecsANDROID valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLnsecsANDROIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TEGLuint64KHR>(EGLuint64KHR valueIn, ParamValue *valueOut)
+{
+    valueOut->EGLuint64KHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TFenceNVID>(gl::FenceNVID valueIn, ParamValue *valueOut)
+{
+    valueOut->FenceNVIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TFenceNVIDConstPointer>(const gl::FenceNVID *valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->FenceNVIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TFenceNVIDPointer>(gl::FenceNVID *valueIn, ParamValue *valueOut)
+{
+    valueOut->FenceNVIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TFramebufferID>(gl::FramebufferID valueIn, ParamValue *valueOut)
+{
+    valueOut->FramebufferIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TFramebufferIDConstPointer>(const gl::FramebufferID *valueIn,
+                                                               ParamValue *valueOut)
+{
+    valueOut->FramebufferIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TFramebufferIDPointer>(gl::FramebufferID *valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->FramebufferIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLDEBUGPROC>(GLDEBUGPROC valueIn, ParamValue *valueOut)
+{
+    valueOut->GLDEBUGPROCVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLDEBUGPROCKHR>(GLDEBUGPROCKHR valueIn, ParamValue *valueOut)
+{
+    valueOut->GLDEBUGPROCKHRVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLbitfield>(GLbitfield valueIn, ParamValue *valueOut)
+{
+    valueOut->GLbitfieldVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLboolean>(GLboolean valueIn, ParamValue *valueOut)
+{
+    valueOut->GLbooleanVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLbooleanConstPointer>(const GLboolean *valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->GLbooleanConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLbooleanPointer>(GLboolean *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLbooleanPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLbyte>(GLbyte valueIn, ParamValue *valueOut)
+{
+    valueOut->GLbyteVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLbyteConstPointer>(const GLbyte *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLbyteConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLcharConstPointer>(const GLchar *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLcharConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLcharConstPointerPointer>(const GLchar *const *valueIn,
+                                                               ParamValue *valueOut)
+{
+    valueOut->GLcharConstPointerPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLcharPointer>(GLchar *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLcharPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLclampx>(GLclampx valueIn, ParamValue *valueOut)
+{
+    valueOut->GLclampxVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLdouble>(GLdouble valueIn, ParamValue *valueOut)
+{
+    valueOut->GLdoubleVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLdoubleConstPointer>(const GLdouble *valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->GLdoubleConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLdoublePointer>(GLdouble *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLdoublePointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLeglClientBufferEXT>(GLeglClientBufferEXT valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->GLeglClientBufferEXTVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLeglImageOES>(GLeglImageOES valueIn, ParamValue *valueOut)
+{
+    valueOut->GLeglImageOESVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLenum>(GLenum valueIn, ParamValue *valueOut)
+{
+    valueOut->GLenumVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLenumConstPointer>(const GLenum *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLenumConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLenumPointer>(GLenum *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLenumPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLfixed>(GLfixed valueIn, ParamValue *valueOut)
+{
+    valueOut->GLfixedVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLfixedConstPointer>(const GLfixed *valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->GLfixedConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLfixedPointer>(GLfixed *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLfixedPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLfloat>(GLfloat valueIn, ParamValue *valueOut)
+{
+    valueOut->GLfloatVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLfloatConstPointer>(const GLfloat *valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->GLfloatConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLfloatPointer>(GLfloat *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLfloatPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLint>(GLint valueIn, ParamValue *valueOut)
+{
+    valueOut->GLintVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLint64Pointer>(GLint64 *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLint64PointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLintConstPointer>(const GLint *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLintConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLintPointer>(GLint *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLintPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLintptr>(GLintptr valueIn, ParamValue *valueOut)
+{
+    valueOut->GLintptrVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLintptrConstPointer>(const GLintptr *valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->GLintptrConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLshort>(GLshort valueIn, ParamValue *valueOut)
+{
+    valueOut->GLshortVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLshortConstPointer>(const GLshort *valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->GLshortConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLsizei>(GLsizei valueIn, ParamValue *valueOut)
+{
+    valueOut->GLsizeiVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLsizeiConstPointer>(const GLsizei *valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->GLsizeiConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLsizeiPointer>(GLsizei *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLsizeiPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLsizeiptr>(GLsizeiptr valueIn, ParamValue *valueOut)
+{
+    valueOut->GLsizeiptrVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLsizeiptrConstPointer>(const GLsizeiptr *valueIn,
+                                                            ParamValue *valueOut)
+{
+    valueOut->GLsizeiptrConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLsync>(GLsync valueIn, ParamValue *valueOut)
+{
+    valueOut->GLsyncVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLubyte>(GLubyte valueIn, ParamValue *valueOut)
+{
+    valueOut->GLubyteVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLubyteConstPointer>(const GLubyte *valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->GLubyteConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLubytePointer>(GLubyte *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLubytePointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLuint>(GLuint valueIn, ParamValue *valueOut)
+{
+    valueOut->GLuintVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLuint64>(GLuint64 valueIn, ParamValue *valueOut)
+{
+    valueOut->GLuint64Val = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLuint64ConstPointer>(const GLuint64 *valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->GLuint64ConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLuint64Pointer>(GLuint64 *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLuint64PointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLuintConstPointer>(const GLuint *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLuintConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLuintPointer>(GLuint *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLuintPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLushort>(GLushort valueIn, ParamValue *valueOut)
+{
+    valueOut->GLushortVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLushortConstPointer>(const GLushort *valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->GLushortConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLushortPointer>(GLushort *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLushortPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLvoidConstPointer>(const GLvoid *valueIn, ParamValue *valueOut)
+{
+    valueOut->GLvoidConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGLvoidConstPointerPointer>(const GLvoid *const *valueIn,
+                                                               ParamValue *valueOut)
+{
+    valueOut->GLvoidConstPointerPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TGraphicsResetStatus>(gl::GraphicsResetStatus valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->GraphicsResetStatusVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::THandleType>(gl::HandleType valueIn, ParamValue *valueOut)
+{
+    valueOut->HandleTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TLightParameter>(gl::LightParameter valueIn,
+                                                    ParamValue *valueOut)
+{
+    valueOut->LightParameterVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TLogicalOperation>(gl::LogicalOperation valueIn,
+                                                      ParamValue *valueOut)
+{
+    valueOut->LogicalOperationVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TMaterialParameter>(gl::MaterialParameter valueIn,
+                                                       ParamValue *valueOut)
+{
+    valueOut->MaterialParameterVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TMatrixType>(gl::MatrixType valueIn, ParamValue *valueOut)
+{
+    valueOut->MatrixTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TMemoryObjectID>(gl::MemoryObjectID valueIn,
+                                                    ParamValue *valueOut)
+{
+    valueOut->MemoryObjectIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TMemoryObjectIDConstPointer>(const gl::MemoryObjectID *valueIn,
+                                                                ParamValue *valueOut)
+{
+    valueOut->MemoryObjectIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TMemoryObjectIDPointer>(gl::MemoryObjectID *valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->MemoryObjectIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TObjectType>(egl::ObjectType valueIn, ParamValue *valueOut)
+{
+    valueOut->ObjectTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TPointParameter>(gl::PointParameter valueIn,
+                                                    ParamValue *valueOut)
+{
+    valueOut->PointParameterVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TPrimitiveMode>(gl::PrimitiveMode valueIn, ParamValue *valueOut)
+{
+    valueOut->PrimitiveModeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TProgramPipelineID>(gl::ProgramPipelineID valueIn,
+                                                       ParamValue *valueOut)
+{
+    valueOut->ProgramPipelineIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TProgramPipelineIDConstPointer>(
+    const gl::ProgramPipelineID *valueIn,
+    ParamValue *valueOut)
+{
+    valueOut->ProgramPipelineIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TProgramPipelineIDPointer>(gl::ProgramPipelineID *valueIn,
+                                                              ParamValue *valueOut)
+{
+    valueOut->ProgramPipelineIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TProvokingVertexConvention>(
+    gl::ProvokingVertexConvention valueIn,
+    ParamValue *valueOut)
+{
+    valueOut->ProvokingVertexConventionVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TQueryID>(gl::QueryID valueIn, ParamValue *valueOut)
+{
+    valueOut->QueryIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TQueryIDConstPointer>(const gl::QueryID *valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->QueryIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TQueryIDPointer>(gl::QueryID *valueIn, ParamValue *valueOut)
+{
+    valueOut->QueryIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TQueryType>(gl::QueryType valueIn, ParamValue *valueOut)
+{
+    valueOut->QueryTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TRenderbufferID>(gl::RenderbufferID valueIn,
+                                                    ParamValue *valueOut)
+{
+    valueOut->RenderbufferIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TRenderbufferIDConstPointer>(const gl::RenderbufferID *valueIn,
+                                                                ParamValue *valueOut)
+{
+    valueOut->RenderbufferIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TRenderbufferIDPointer>(gl::RenderbufferID *valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->RenderbufferIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TSamplerID>(gl::SamplerID valueIn, ParamValue *valueOut)
+{
+    valueOut->SamplerIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TSamplerIDConstPointer>(const gl::SamplerID *valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->SamplerIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TSamplerIDPointer>(gl::SamplerID *valueIn, ParamValue *valueOut)
+{
+    valueOut->SamplerIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TSemaphoreID>(gl::SemaphoreID valueIn, ParamValue *valueOut)
+{
+    valueOut->SemaphoreIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TSemaphoreIDConstPointer>(const gl::SemaphoreID *valueIn,
+                                                             ParamValue *valueOut)
+{
+    valueOut->SemaphoreIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TSemaphoreIDPointer>(gl::SemaphoreID *valueIn,
+                                                        ParamValue *valueOut)
+{
+    valueOut->SemaphoreIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TShaderProgramID>(gl::ShaderProgramID valueIn,
+                                                     ParamValue *valueOut)
+{
+    valueOut->ShaderProgramIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TShaderProgramIDConstPointer>(const gl::ShaderProgramID *valueIn,
+                                                                 ParamValue *valueOut)
+{
+    valueOut->ShaderProgramIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TShaderProgramIDPointer>(gl::ShaderProgramID *valueIn,
+                                                            ParamValue *valueOut)
+{
+    valueOut->ShaderProgramIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TShaderType>(gl::ShaderType valueIn, ParamValue *valueOut)
+{
+    valueOut->ShaderTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TShadingModel>(gl::ShadingModel valueIn, ParamValue *valueOut)
+{
+    valueOut->ShadingModelVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTextureEnvParameter>(gl::TextureEnvParameter valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->TextureEnvParameterVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTextureEnvTarget>(gl::TextureEnvTarget valueIn,
+                                                      ParamValue *valueOut)
+{
+    valueOut->TextureEnvTargetVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTextureID>(gl::TextureID valueIn, ParamValue *valueOut)
+{
+    valueOut->TextureIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTextureIDConstPointer>(const gl::TextureID *valueIn,
+                                                           ParamValue *valueOut)
+{
+    valueOut->TextureIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTextureIDPointer>(gl::TextureID *valueIn, ParamValue *valueOut)
+{
+    valueOut->TextureIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTextureTarget>(gl::TextureTarget valueIn, ParamValue *valueOut)
+{
+    valueOut->TextureTargetVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTextureType>(gl::TextureType valueIn, ParamValue *valueOut)
+{
+    valueOut->TextureTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTimestamp>(egl::Timestamp valueIn, ParamValue *valueOut)
+{
+    valueOut->TimestampVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTransformFeedbackID>(gl::TransformFeedbackID valueIn,
+                                                         ParamValue *valueOut)
+{
+    valueOut->TransformFeedbackIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTransformFeedbackIDConstPointer>(
+    const gl::TransformFeedbackID *valueIn,
+    ParamValue *valueOut)
+{
+    valueOut->TransformFeedbackIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TTransformFeedbackIDPointer>(gl::TransformFeedbackID *valueIn,
+                                                                ParamValue *valueOut)
+{
+    valueOut->TransformFeedbackIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TUniformBlockIndex>(gl::UniformBlockIndex valueIn,
+                                                       ParamValue *valueOut)
+{
+    valueOut->UniformBlockIndexVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TUniformLocation>(gl::UniformLocation valueIn,
+                                                     ParamValue *valueOut)
+{
+    valueOut->UniformLocationVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TVertexArrayID>(gl::VertexArrayID valueIn, ParamValue *valueOut)
+{
+    valueOut->VertexArrayIDVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TVertexArrayIDConstPointer>(const gl::VertexArrayID *valueIn,
+                                                               ParamValue *valueOut)
+{
+    valueOut->VertexArrayIDConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TVertexArrayIDPointer>(gl::VertexArrayID *valueIn,
+                                                          ParamValue *valueOut)
+{
+    valueOut->VertexArrayIDPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TVertexAttribType>(gl::VertexAttribType valueIn,
+                                                      ParamValue *valueOut)
+{
+    valueOut->VertexAttribTypeVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TcharConstPointer>(const char *valueIn, ParamValue *valueOut)
+{
+    valueOut->charConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TvoidConstPointer>(const void *valueIn, ParamValue *valueOut)
+{
+    valueOut->voidConstPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TvoidConstPointerPointer>(const void *const *valueIn,
+                                                             ParamValue *valueOut)
+{
+    valueOut->voidConstPointerPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TvoidPointer>(void *valueIn, ParamValue *valueOut)
+{
+    valueOut->voidPointerVal = valueIn;
+}
+
+template <>
+inline void SetParamVal<ParamType::TvoidPointerPointer>(void **valueIn, ParamValue *valueOut)
+{
+    valueOut->voidPointerPointerVal = valueIn;
+}
+
+template <ParamType PType, typename T>
+void SetParamVal(T valueIn, ParamValue *valueOut)
+{
+    UNREACHABLE();
+}
+
+template <typename T>
+void InitParamValue(ParamType paramType, T valueIn, ParamValue *valueOut)
+{
+    switch (paramType)
+    {
+        case ParamType::TAHardwareBufferConstPointer:
+            SetParamVal<ParamType::TAHardwareBufferConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TAlphaTestFunc:
+            SetParamVal<ParamType::TAlphaTestFunc>(valueIn, valueOut);
+            break;
+        case ParamType::TBufferBinding:
+            SetParamVal<ParamType::TBufferBinding>(valueIn, valueOut);
+            break;
+        case ParamType::TBufferID:
+            SetParamVal<ParamType::TBufferID>(valueIn, valueOut);
+            break;
+        case ParamType::TBufferIDConstPointer:
+            SetParamVal<ParamType::TBufferIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TBufferIDPointer:
+            SetParamVal<ParamType::TBufferIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TBufferUsage:
+            SetParamVal<ParamType::TBufferUsage>(valueIn, valueOut);
+            break;
+        case ParamType::TClientVertexArrayType:
+            SetParamVal<ParamType::TClientVertexArrayType>(valueIn, valueOut);
+            break;
+        case ParamType::TCompositorTiming:
+            SetParamVal<ParamType::TCompositorTiming>(valueIn, valueOut);
+            break;
+        case ParamType::TCullFaceMode:
+            SetParamVal<ParamType::TCullFaceMode>(valueIn, valueOut);
+            break;
+        case ParamType::TDrawElementsType:
+            SetParamVal<ParamType::TDrawElementsType>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLAttrib:
+            SetParamVal<ParamType::TEGLAttrib>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLAttribKHR:
+            SetParamVal<ParamType::TEGLAttribKHR>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLBoolean:
+            SetParamVal<ParamType::TEGLBoolean>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLClientBuffer:
+            SetParamVal<ParamType::TEGLClientBuffer>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLConfig:
+            SetParamVal<ParamType::TEGLConfig>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLContext:
+            SetParamVal<ParamType::TEGLContext>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLDEBUGPROCKHR:
+            SetParamVal<ParamType::TEGLDEBUGPROCKHR>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLDeviceEXT:
+            SetParamVal<ParamType::TEGLDeviceEXT>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLDisplay:
+            SetParamVal<ParamType::TEGLDisplay>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLFrameTokenANGLE:
+            SetParamVal<ParamType::TEGLFrameTokenANGLE>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLGetBlobFuncANDROID:
+            SetParamVal<ParamType::TEGLGetBlobFuncANDROID>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLImage:
+            SetParamVal<ParamType::TEGLImage>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLLabelKHR:
+            SetParamVal<ParamType::TEGLLabelKHR>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLNativeDisplayType:
+            SetParamVal<ParamType::TEGLNativeDisplayType>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLNativePixmapType:
+            SetParamVal<ParamType::TEGLNativePixmapType>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLNativeWindowType:
+            SetParamVal<ParamType::TEGLNativeWindowType>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLObjectKHR:
+            SetParamVal<ParamType::TEGLObjectKHR>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLSetBlobFuncANDROID:
+            SetParamVal<ParamType::TEGLSetBlobFuncANDROID>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLStreamKHR:
+            SetParamVal<ParamType::TEGLStreamKHR>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLSurface:
+            SetParamVal<ParamType::TEGLSurface>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLSync:
+            SetParamVal<ParamType::TEGLSync>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLTime:
+            SetParamVal<ParamType::TEGLTime>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLTimeKHR:
+            SetParamVal<ParamType::TEGLTimeKHR>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLenum:
+            SetParamVal<ParamType::TEGLenum>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLint:
+            SetParamVal<ParamType::TEGLint>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLnsecsANDROID:
+            SetParamVal<ParamType::TEGLnsecsANDROID>(valueIn, valueOut);
+            break;
+        case ParamType::TEGLuint64KHR:
+            SetParamVal<ParamType::TEGLuint64KHR>(valueIn, valueOut);
+            break;
+        case ParamType::TFenceNVID:
+            SetParamVal<ParamType::TFenceNVID>(valueIn, valueOut);
+            break;
+        case ParamType::TFenceNVIDConstPointer:
+            SetParamVal<ParamType::TFenceNVIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TFenceNVIDPointer:
+            SetParamVal<ParamType::TFenceNVIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TFramebufferID:
+            SetParamVal<ParamType::TFramebufferID>(valueIn, valueOut);
+            break;
+        case ParamType::TFramebufferIDConstPointer:
+            SetParamVal<ParamType::TFramebufferIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TFramebufferIDPointer:
+            SetParamVal<ParamType::TFramebufferIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLDEBUGPROC:
+            SetParamVal<ParamType::TGLDEBUGPROC>(valueIn, valueOut);
+            break;
+        case ParamType::TGLDEBUGPROCKHR:
+            SetParamVal<ParamType::TGLDEBUGPROCKHR>(valueIn, valueOut);
+            break;
+        case ParamType::TGLbitfield:
+            SetParamVal<ParamType::TGLbitfield>(valueIn, valueOut);
+            break;
+        case ParamType::TGLboolean:
+            SetParamVal<ParamType::TGLboolean>(valueIn, valueOut);
+            break;
+        case ParamType::TGLbooleanConstPointer:
+            SetParamVal<ParamType::TGLbooleanConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLbooleanPointer:
+            SetParamVal<ParamType::TGLbooleanPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLbyte:
+            SetParamVal<ParamType::TGLbyte>(valueIn, valueOut);
+            break;
+        case ParamType::TGLbyteConstPointer:
+            SetParamVal<ParamType::TGLbyteConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLcharConstPointer:
+            SetParamVal<ParamType::TGLcharConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLcharConstPointerPointer:
+            SetParamVal<ParamType::TGLcharConstPointerPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLcharPointer:
+            SetParamVal<ParamType::TGLcharPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLclampx:
+            SetParamVal<ParamType::TGLclampx>(valueIn, valueOut);
+            break;
+        case ParamType::TGLdouble:
+            SetParamVal<ParamType::TGLdouble>(valueIn, valueOut);
+            break;
+        case ParamType::TGLdoubleConstPointer:
+            SetParamVal<ParamType::TGLdoubleConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLdoublePointer:
+            SetParamVal<ParamType::TGLdoublePointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLeglClientBufferEXT:
+            SetParamVal<ParamType::TGLeglClientBufferEXT>(valueIn, valueOut);
+            break;
+        case ParamType::TGLeglImageOES:
+            SetParamVal<ParamType::TGLeglImageOES>(valueIn, valueOut);
+            break;
+        case ParamType::TGLenum:
+            SetParamVal<ParamType::TGLenum>(valueIn, valueOut);
+            break;
+        case ParamType::TGLenumConstPointer:
+            SetParamVal<ParamType::TGLenumConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLenumPointer:
+            SetParamVal<ParamType::TGLenumPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLfixed:
+            SetParamVal<ParamType::TGLfixed>(valueIn, valueOut);
+            break;
+        case ParamType::TGLfixedConstPointer:
+            SetParamVal<ParamType::TGLfixedConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLfixedPointer:
+            SetParamVal<ParamType::TGLfixedPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLfloat:
+            SetParamVal<ParamType::TGLfloat>(valueIn, valueOut);
+            break;
+        case ParamType::TGLfloatConstPointer:
+            SetParamVal<ParamType::TGLfloatConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLfloatPointer:
+            SetParamVal<ParamType::TGLfloatPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLint:
+            SetParamVal<ParamType::TGLint>(valueIn, valueOut);
+            break;
+        case ParamType::TGLint64Pointer:
+            SetParamVal<ParamType::TGLint64Pointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLintConstPointer:
+            SetParamVal<ParamType::TGLintConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLintPointer:
+            SetParamVal<ParamType::TGLintPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLintptr:
+            SetParamVal<ParamType::TGLintptr>(valueIn, valueOut);
+            break;
+        case ParamType::TGLintptrConstPointer:
+            SetParamVal<ParamType::TGLintptrConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLshort:
+            SetParamVal<ParamType::TGLshort>(valueIn, valueOut);
+            break;
+        case ParamType::TGLshortConstPointer:
+            SetParamVal<ParamType::TGLshortConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLsizei:
+            SetParamVal<ParamType::TGLsizei>(valueIn, valueOut);
+            break;
+        case ParamType::TGLsizeiConstPointer:
+            SetParamVal<ParamType::TGLsizeiConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLsizeiPointer:
+            SetParamVal<ParamType::TGLsizeiPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLsizeiptr:
+            SetParamVal<ParamType::TGLsizeiptr>(valueIn, valueOut);
+            break;
+        case ParamType::TGLsizeiptrConstPointer:
+            SetParamVal<ParamType::TGLsizeiptrConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLsync:
+            SetParamVal<ParamType::TGLsync>(valueIn, valueOut);
+            break;
+        case ParamType::TGLubyte:
+            SetParamVal<ParamType::TGLubyte>(valueIn, valueOut);
+            break;
+        case ParamType::TGLubyteConstPointer:
+            SetParamVal<ParamType::TGLubyteConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLubytePointer:
+            SetParamVal<ParamType::TGLubytePointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLuint:
+            SetParamVal<ParamType::TGLuint>(valueIn, valueOut);
+            break;
+        case ParamType::TGLuint64:
+            SetParamVal<ParamType::TGLuint64>(valueIn, valueOut);
+            break;
+        case ParamType::TGLuint64ConstPointer:
+            SetParamVal<ParamType::TGLuint64ConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLuint64Pointer:
+            SetParamVal<ParamType::TGLuint64Pointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLuintConstPointer:
+            SetParamVal<ParamType::TGLuintConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLuintPointer:
+            SetParamVal<ParamType::TGLuintPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLushort:
+            SetParamVal<ParamType::TGLushort>(valueIn, valueOut);
+            break;
+        case ParamType::TGLushortConstPointer:
+            SetParamVal<ParamType::TGLushortConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLushortPointer:
+            SetParamVal<ParamType::TGLushortPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLvoidConstPointer:
+            SetParamVal<ParamType::TGLvoidConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGLvoidConstPointerPointer:
+            SetParamVal<ParamType::TGLvoidConstPointerPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TGraphicsResetStatus:
+            SetParamVal<ParamType::TGraphicsResetStatus>(valueIn, valueOut);
+            break;
+        case ParamType::THandleType:
+            SetParamVal<ParamType::THandleType>(valueIn, valueOut);
+            break;
+        case ParamType::TLightParameter:
+            SetParamVal<ParamType::TLightParameter>(valueIn, valueOut);
+            break;
+        case ParamType::TLogicalOperation:
+            SetParamVal<ParamType::TLogicalOperation>(valueIn, valueOut);
+            break;
+        case ParamType::TMaterialParameter:
+            SetParamVal<ParamType::TMaterialParameter>(valueIn, valueOut);
+            break;
+        case ParamType::TMatrixType:
+            SetParamVal<ParamType::TMatrixType>(valueIn, valueOut);
+            break;
+        case ParamType::TMemoryObjectID:
+            SetParamVal<ParamType::TMemoryObjectID>(valueIn, valueOut);
+            break;
+        case ParamType::TMemoryObjectIDConstPointer:
+            SetParamVal<ParamType::TMemoryObjectIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TMemoryObjectIDPointer:
+            SetParamVal<ParamType::TMemoryObjectIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TObjectType:
+            SetParamVal<ParamType::TObjectType>(valueIn, valueOut);
+            break;
+        case ParamType::TPointParameter:
+            SetParamVal<ParamType::TPointParameter>(valueIn, valueOut);
+            break;
+        case ParamType::TPrimitiveMode:
+            SetParamVal<ParamType::TPrimitiveMode>(valueIn, valueOut);
+            break;
+        case ParamType::TProgramPipelineID:
+            SetParamVal<ParamType::TProgramPipelineID>(valueIn, valueOut);
+            break;
+        case ParamType::TProgramPipelineIDConstPointer:
+            SetParamVal<ParamType::TProgramPipelineIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TProgramPipelineIDPointer:
+            SetParamVal<ParamType::TProgramPipelineIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TProvokingVertexConvention:
+            SetParamVal<ParamType::TProvokingVertexConvention>(valueIn, valueOut);
+            break;
+        case ParamType::TQueryID:
+            SetParamVal<ParamType::TQueryID>(valueIn, valueOut);
+            break;
+        case ParamType::TQueryIDConstPointer:
+            SetParamVal<ParamType::TQueryIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TQueryIDPointer:
+            SetParamVal<ParamType::TQueryIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TQueryType:
+            SetParamVal<ParamType::TQueryType>(valueIn, valueOut);
+            break;
+        case ParamType::TRenderbufferID:
+            SetParamVal<ParamType::TRenderbufferID>(valueIn, valueOut);
+            break;
+        case ParamType::TRenderbufferIDConstPointer:
+            SetParamVal<ParamType::TRenderbufferIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TRenderbufferIDPointer:
+            SetParamVal<ParamType::TRenderbufferIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TSamplerID:
+            SetParamVal<ParamType::TSamplerID>(valueIn, valueOut);
+            break;
+        case ParamType::TSamplerIDConstPointer:
+            SetParamVal<ParamType::TSamplerIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TSamplerIDPointer:
+            SetParamVal<ParamType::TSamplerIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TSemaphoreID:
+            SetParamVal<ParamType::TSemaphoreID>(valueIn, valueOut);
+            break;
+        case ParamType::TSemaphoreIDConstPointer:
+            SetParamVal<ParamType::TSemaphoreIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TSemaphoreIDPointer:
+            SetParamVal<ParamType::TSemaphoreIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TShaderProgramID:
+            SetParamVal<ParamType::TShaderProgramID>(valueIn, valueOut);
+            break;
+        case ParamType::TShaderProgramIDConstPointer:
+            SetParamVal<ParamType::TShaderProgramIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TShaderProgramIDPointer:
+            SetParamVal<ParamType::TShaderProgramIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TShaderType:
+            SetParamVal<ParamType::TShaderType>(valueIn, valueOut);
+            break;
+        case ParamType::TShadingModel:
+            SetParamVal<ParamType::TShadingModel>(valueIn, valueOut);
+            break;
+        case ParamType::TTextureEnvParameter:
+            SetParamVal<ParamType::TTextureEnvParameter>(valueIn, valueOut);
+            break;
+        case ParamType::TTextureEnvTarget:
+            SetParamVal<ParamType::TTextureEnvTarget>(valueIn, valueOut);
+            break;
+        case ParamType::TTextureID:
+            SetParamVal<ParamType::TTextureID>(valueIn, valueOut);
+            break;
+        case ParamType::TTextureIDConstPointer:
+            SetParamVal<ParamType::TTextureIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TTextureIDPointer:
+            SetParamVal<ParamType::TTextureIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TTextureTarget:
+            SetParamVal<ParamType::TTextureTarget>(valueIn, valueOut);
+            break;
+        case ParamType::TTextureType:
+            SetParamVal<ParamType::TTextureType>(valueIn, valueOut);
+            break;
+        case ParamType::TTimestamp:
+            SetParamVal<ParamType::TTimestamp>(valueIn, valueOut);
+            break;
+        case ParamType::TTransformFeedbackID:
+            SetParamVal<ParamType::TTransformFeedbackID>(valueIn, valueOut);
+            break;
+        case ParamType::TTransformFeedbackIDConstPointer:
+            SetParamVal<ParamType::TTransformFeedbackIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TTransformFeedbackIDPointer:
+            SetParamVal<ParamType::TTransformFeedbackIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TUniformBlockIndex:
+            SetParamVal<ParamType::TUniformBlockIndex>(valueIn, valueOut);
+            break;
+        case ParamType::TUniformLocation:
+            SetParamVal<ParamType::TUniformLocation>(valueIn, valueOut);
+            break;
+        case ParamType::TVertexArrayID:
+            SetParamVal<ParamType::TVertexArrayID>(valueIn, valueOut);
+            break;
+        case ParamType::TVertexArrayIDConstPointer:
+            SetParamVal<ParamType::TVertexArrayIDConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TVertexArrayIDPointer:
+            SetParamVal<ParamType::TVertexArrayIDPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TVertexAttribType:
+            SetParamVal<ParamType::TVertexAttribType>(valueIn, valueOut);
+            break;
+        case ParamType::TcharConstPointer:
+            SetParamVal<ParamType::TcharConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TvoidConstPointer:
+            SetParamVal<ParamType::TvoidConstPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TvoidConstPointerPointer:
+            SetParamVal<ParamType::TvoidConstPointerPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TvoidPointer:
+            SetParamVal<ParamType::TvoidPointer>(valueIn, valueOut);
+            break;
+        case ParamType::TvoidPointerPointer:
+            SetParamVal<ParamType::TvoidPointerPointer>(valueIn, valueOut);
+            break;
+    }
+}
+
+struct CallCapture;
+struct ParamCapture;
+
+void WriteParamCaptureReplay(std::ostream &os, const CallCapture &call, const ParamCapture &param);
+const char *ParamTypeToString(ParamType paramType);
+
+enum class ResourceIDType
+{
+    Buffer,
+    FenceNV,
+    Framebuffer,
+    MemoryObject,
+    ProgramPipeline,
+    Query,
+    Renderbuffer,
+    Sampler,
+    Semaphore,
+    ShaderProgram,
+    Texture,
+    TransformFeedback,
+    VertexArray,
+    EnumCount,
+    InvalidEnum = EnumCount
+};
+
+ResourceIDType GetResourceIDTypeFromParamType(ParamType paramType);
+const char *GetResourceIDTypeName(ResourceIDType resourceIDType);
+
+template <typename ResourceType>
+struct GetResourceIDTypeFromType;
+
+template <>
+struct GetResourceIDTypeFromType<gl::BufferID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::Buffer;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::FenceNVID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::FenceNV;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::FramebufferID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::Framebuffer;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::MemoryObjectID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::MemoryObject;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::ProgramPipelineID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::ProgramPipeline;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::QueryID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::Query;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::RenderbufferID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::Renderbuffer;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::SamplerID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::Sampler;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::SemaphoreID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::Semaphore;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::ShaderProgramID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::ShaderProgram;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::TextureID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::Texture;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::TransformFeedbackID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::TransformFeedback;
+};
+
+template <>
+struct GetResourceIDTypeFromType<gl::VertexArrayID>
+{
+    static constexpr ResourceIDType IDType = ResourceIDType::VertexArray;
+};
+
+}  // namespace angle
+
+#endif  // LIBANGLE_FRAME_CAPTURE_UTILS_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils_mock.cpp b/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils_mock.cpp
new file mode 100644
index 0000000000..f136a3c17d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/frame_capture_utils_mock.cpp
@@ -0,0 +1,19 @@
+//
+// Copyright 2021 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// frame_capture_utils_mock.cpp:
+//   ANGLE frame capture util stub implementation.
+//
+
+#include "libANGLE/capture/frame_capture_utils.h"
+
+namespace angle
+{
+Result SerializeContextToString(const gl::Context *context, std::string *stringOut)
+{
+    *stringOut = "SerializationNotAvailable";
+    return angle::Result::Continue;
+}
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/capture/gl_enum_utils.h b/gfx/angle/checkout/src/libANGLE/capture/gl_enum_utils.h
new file mode 100644
index 0000000000..1fac416138
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/gl_enum_utils.h
@@ -0,0 +1,32 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// gl_enum_utils.h:
+//   Utility functions for converting GLenums to string.
+
+#ifndef LIBANGLE_GL_ENUM_UTILS_H_
+#define LIBANGLE_GL_ENUM_UTILS_H_
+
+#include <ostream>
+#include <string>
+
+#include "libANGLE/capture/gl_enum_utils_autogen.h"
+
+namespace gl
+{
+const char *GLbooleanToString(unsigned int value);
+const char *GLenumToString(GLESEnum enumGroup, unsigned int value);
+const char *GLenumToString(BigGLEnum enumGroup, unsigned int value);
+std::string GLbitfieldToString(GLESEnum enumGroup, unsigned int value);
+std::string GLbitfieldToString(BigGLEnum enumGroup, unsigned int value);
+void OutputGLenumString(std::ostream &out, GLESEnum enumGroup, unsigned int value);
+void OutputGLenumString(std::ostream &out, BigGLEnum enumGroup, unsigned int value);
+void OutputGLbitfieldString(std::ostream &out, GLESEnum enumGroup, unsigned int value);
+const char *GLinternalFormatToString(unsigned int format);
+
+extern const char kUnknownGLenumString[];
+}  // namespace gl
+
+#endif  // LIBANGLE_GL_ENUM_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/capture/gl_enum_utils_autogen.h b/gfx/angle/checkout/src/libANGLE/capture/gl_enum_utils_autogen.h
new file mode 100644
index 0000000000..6d0fe3da3e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/capture/gl_enum_utils_autogen.h
@@ -0,0 +1,419 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_gl_enum_utils.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// gl_enum_utils_autogen.h:
+//   mapping of GLenum value to string.
+
+#ifndef LIBANGLE_GL_ENUM_UTILS_AUTOGEN_H_
+#define LIBANGLE_GL_ENUM_UTILS_AUTOGEN_H_
+
+namespace gl
+{
+enum class GLESEnum
+{
+    AccumOp,
+    AllEnums,
+    AlphaFunction,
+    AtomicCounterBufferPName,
+    AttribMask,
+    AttributeType,
+    BindTransformFeedbackTarget,
+    BinormalPointerTypeEXT,
+    BlendEquationModeEXT,
+    BlendingFactor,
+    BlitFramebufferFilter,
+    Boolean,
+    Buffer,
+    BufferAccessARB,
+    BufferPNameARB,
+    BufferPointerNameARB,
+    BufferStorageMask,
+    BufferStorageTarget,
+    BufferTargetARB,
+    BufferUsageARB,
+    ClampColorModeARB,
+    ClearBufferMask,
+    ClipPlaneName,
+    ColorBuffer,
+    ColorMaterialParameter,
+    ColorPointerType,
+    CombinerBiasNV,
+    CombinerComponentUsageNV,
+    CombinerPortionNV,
+    CombinerScaleNV,
+    ContainerType,
+    ContextFlagMask,
+    CopyBufferSubDataTarget,
+    CopyImageSubDataTarget,
+    DebugSeverity,
+    DebugSource,
+    DebugType,
+    DepthFunction,
+    DepthStencilTextureMode,
+    DrawBufferMode,
+    DrawElementsType,
+    ElementPointerTypeATI,
+    EnableCap,
+    ErrorCode,
+    ExternalHandleType,
+    FenceConditionNV,
+    FenceParameterNameNV,
+    FogCoordinatePointerType,
+    FogMode,
+    FogPName,
+    FogParameter,
+    FogPointerTypeEXT,
+    FogPointerTypeIBM,
+    FragmentLightParameterSGIX,
+    FragmentShaderDestMaskATI,
+    FragmentShaderDestModMaskATI,
+    FragmentShaderGenericSourceATI,
+    FragmentShaderTextureSourceATI,
+    FragmentShaderValueRepATI,
+    FramebufferAttachment,
+    FramebufferAttachmentParameterName,
+    FramebufferParameterName,
+    FramebufferStatus,
+    FramebufferTarget,
+    FrontFaceDirection,
+    GetFramebufferParameter,
+    GetMultisamplePNameNV,
+    GetPName,
+    GetPointervPName,
+    GetTextureParameter,
+    GraphicsResetStatus,
+    HintMode,
+    HintTarget,
+    IndexFunctionEXT,
+    IndexPointerType,
+    InternalFormat,
+    InternalFormatPName,
+    InvalidateFramebufferAttachment,
+    LightEnvModeSGIX,
+    LightModelParameter,
+    LightName,
+    LightParameter,
+    ListNameType,
+    LogicOp,
+    MapBufferAccessMask,
+    MapTypeNV,
+    MaterialParameter,
+    MatrixIndexPointerTypeARB,
+    MatrixMode,
+    MemoryBarrierMask,
+    MemoryObjectParameterName,
+    NormalPointerType,
+    ObjectIdentifier,
+    PatchParameterName,
+    PathColor,
+    PathColorFormat,
+    PathFillMode,
+    PathFontStyle,
+    PathGenMode,
+    PathTransformType,
+    PipelineParameterName,
+    PixelCopyType,
+    PixelFormat,
+    PixelStoreParameter,
+    PixelTexGenModeSGIX,
+    PixelTransferParameter,
+    PixelType,
+    PointParameterNameARB,
+    PrecisionType,
+    PrimitiveType,
+    ProgramInterface,
+    ProgramInterfacePName,
+    ProgramParameterPName,
+    ProgramPropertyARB,
+    ProgramResourceProperty,
+    QueryCounterTarget,
+    QueryObjectParameterName,
+    QueryParameterName,
+    QueryTarget,
+    ReadBufferMode,
+    RenderbufferParameterName,
+    RenderbufferTarget,
+    ReplacementCodeTypeSUN,
+    SamplerParameterF,
+    SamplerParameterI,
+    ScalarType,
+    SecondaryColorPointerTypeIBM,
+    SemaphoreParameterName,
+    ShaderBinaryFormat,
+    ShaderParameterName,
+    ShaderType,
+    ShadingModel,
+    ShadingRateQCOM,
+    SizedInternalFormat,
+    StencilFunction,
+    StencilOp,
+    StringName,
+    SubroutineParameterName,
+    SyncBehaviorFlags,
+    SyncCondition,
+    SyncObjectMask,
+    SyncParameterName,
+    SyncStatus,
+    TangentPointerTypeEXT,
+    TexCoordPointerType,
+    TextureCompareMode,
+    TextureCoordName,
+    TextureEnvMode,
+    TextureEnvParameter,
+    TextureEnvTarget,
+    TextureGenParameter,
+    TextureLayout,
+    TextureMagFilter,
+    TextureMinFilter,
+    TextureParameterName,
+    TextureSwizzle,
+    TextureTarget,
+    TextureUnit,
+    TextureWrapMode,
+    TransformFeedbackBufferMode,
+    TransformFeedbackPName,
+    TriangleFace,
+    UniformBlockPName,
+    UniformPName,
+    UniformType,
+    UseProgramStageMask,
+    VertexArrayPName,
+    VertexAttribEnum,
+    VertexAttribIType,
+    VertexAttribPointerPropertyARB,
+    VertexAttribPointerType,
+    VertexAttribPropertyARB,
+    VertexAttribType,
+    VertexBufferObjectUsage,
+    VertexPointerType,
+    VertexProvokingMode,
+    VertexShaderTextureUnitParameter,
+    VertexShaderWriteMaskEXT,
+    VertexWeightPointerTypeEXT,
+    WeightPointerTypeARB
+};
+
+enum class BigGLEnum
+{
+    AccumOp,
+    AllEnums,
+    AlphaFunction,
+    AtomicCounterBufferPName,
+    AttribMask,
+    AttributeType,
+    BindTransformFeedbackTarget,
+    BinormalPointerTypeEXT,
+    BlendEquationModeEXT,
+    BlendingFactor,
+    BlitFramebufferFilter,
+    Boolean,
+    Buffer,
+    BufferAccessARB,
+    BufferPNameARB,
+    BufferPointerNameARB,
+    BufferStorageMask,
+    BufferStorageTarget,
+    BufferTargetARB,
+    BufferUsageARB,
+    ClampColorModeARB,
+    ClampColorTargetARB,
+    ClearBufferMask,
+    ClientAttribMask,
+    ClipControlDepth,
+    ClipControlOrigin,
+    ClipPlaneName,
+    ColorBuffer,
+    ColorMaterialParameter,
+    ColorPointerType,
+    ColorTableTarget,
+    ColorTableTargetSGI,
+    CombinerBiasNV,
+    CombinerComponentUsageNV,
+    CombinerPortionNV,
+    CombinerScaleNV,
+    ConditionalRenderMode,
+    ContainerType,
+    ContextFlagMask,
+    ContextProfileMask,
+    ConvolutionTarget,
+    ConvolutionTargetEXT,
+    CopyBufferSubDataTarget,
+    CopyImageSubDataTarget,
+    DebugSeverity,
+    DebugSource,
+    DebugType,
+    DepthFunction,
+    DepthStencilTextureMode,
+    DrawBufferMode,
+    DrawElementsType,
+    ElementPointerTypeATI,
+    EnableCap,
+    ErrorCode,
+    ExternalHandleType,
+    FeedBackToken,
+    FeedbackType,
+    FenceConditionNV,
+    FenceParameterNameNV,
+    FogCoordSrc,
+    FogCoordinatePointerType,
+    FogMode,
+    FogPName,
+    FogParameter,
+    FogPointerTypeEXT,
+    FogPointerTypeIBM,
+    FragmentLightParameterSGIX,
+    FragmentShaderDestMaskATI,
+    FragmentShaderDestModMaskATI,
+    FragmentShaderGenericSourceATI,
+    FragmentShaderTextureSourceATI,
+    FragmentShaderValueRepATI,
+    FramebufferAttachment,
+    FramebufferAttachmentParameterName,
+    FramebufferParameterName,
+    FramebufferStatus,
+    FramebufferTarget,
+    FrontFaceDirection,
+    GetFramebufferParameter,
+    GetMapQuery,
+    GetMultisamplePNameNV,
+    GetPName,
+    GetPointervPName,
+    GetTextureParameter,
+    GraphicsResetStatus,
+    HintMode,
+    HintTarget,
+    HistogramTarget,
+    HistogramTargetEXT,
+    IndexFunctionEXT,
+    IndexMaterialParameterEXT,
+    IndexPointerType,
+    InterleavedArrayFormat,
+    InternalFormat,
+    InternalFormatPName,
+    InvalidateFramebufferAttachment,
+    LightEnvModeSGIX,
+    LightModelColorControl,
+    LightModelParameter,
+    LightName,
+    LightParameter,
+    LightTextureModeEXT,
+    ListMode,
+    ListNameType,
+    LogicOp,
+    MapBufferAccessMask,
+    MapQuery,
+    MapTarget,
+    MapTypeNV,
+    MaterialParameter,
+    MatrixIndexPointerTypeARB,
+    MatrixMode,
+    MemoryBarrierMask,
+    MemoryObjectParameterName,
+    MeshMode1,
+    MeshMode2,
+    MinmaxTarget,
+    MinmaxTargetEXT,
+    NormalPointerType,
+    ObjectIdentifier,
+    PatchParameterName,
+    PathColor,
+    PathColorFormat,
+    PathFillMode,
+    PathFontStyle,
+    PathGenMode,
+    PathTransformType,
+    PipelineParameterName,
+    PixelCopyType,
+    PixelFormat,
+    PixelMap,
+    PixelStoreParameter,
+    PixelTexGenModeSGIX,
+    PixelTransferParameter,
+    PixelType,
+    PointParameterNameARB,
+    PolygonMode,
+    PrecisionType,
+    PrimitiveType,
+    ProgramInterface,
+    ProgramInterfacePName,
+    ProgramParameterPName,
+    ProgramPropertyARB,
+    ProgramResourceProperty,
+    ProgramStagePName,
+    QueryCounterTarget,
+    QueryObjectParameterName,
+    QueryParameterName,
+    QueryTarget,
+    ReadBufferMode,
+    RenderbufferParameterName,
+    RenderbufferTarget,
+    RenderingMode,
+    ReplacementCodeTypeSUN,
+    SamplerParameterF,
+    SamplerParameterI,
+    ScalarType,
+    SecondaryColorPointerTypeIBM,
+    SemaphoreParameterName,
+    SeparableTarget,
+    SeparableTargetEXT,
+    ShaderBinaryFormat,
+    ShaderParameterName,
+    ShaderType,
+    ShadingModel,
+    SizedInternalFormat,
+    StencilFunction,
+    StencilOp,
+    StringName,
+    SubroutineParameterName,
+    SyncBehaviorFlags,
+    SyncCondition,
+    SyncObjectMask,
+    SyncParameterName,
+    SyncStatus,
+    TangentPointerTypeEXT,
+    TexCoordPointerType,
+    TextureCompareMode,
+    TextureCoordName,
+    TextureEnvMode,
+    TextureEnvParameter,
+    TextureEnvTarget,
+    TextureGenMode,
+    TextureGenParameter,
+    TextureLayout,
+    TextureMagFilter,
+    TextureMinFilter,
+    TextureParameterName,
+    TextureSwizzle,
+    TextureTarget,
+    TextureUnit,
+    TextureWrapMode,
+    TransformFeedbackBufferMode,
+    TransformFeedbackPName,
+    TriangleFace,
+    UniformBlockPName,
+    UniformPName,
+    UniformType,
+    UseProgramStageMask,
+    VertexArrayPName,
+    VertexAttribEnum,
+    VertexAttribIType,
+    VertexAttribLType,
+    VertexAttribPointerPropertyARB,
+    VertexAttribPointerType,
+    VertexAttribPropertyARB,
+    VertexAttribType,
+    VertexBufferObjectUsage,
+    VertexPointerType,
+    VertexProvokingMode,
+    VertexShaderTextureUnitParameter,
+    VertexShaderWriteMaskEXT,
+    VertexWeightPointerTypeEXT,
+    WeightPointerTypeARB
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_GL_ENUM_UTILS_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/entry_points_utils.h b/gfx/angle/checkout/src/libANGLE/entry_points_utils.h
new file mode 100644
index 0000000000..c5a3178308
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/entry_points_utils.h
@@ -0,0 +1,127 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// entry_point_utils:
+//   These helpers are used in GL/GLES entry point routines.
+
+#ifndef LIBANGLE_ENTRY_POINT_UTILS_H_
+#define LIBANGLE_ENTRY_POINT_UTILS_H_
+
+#include "angle_gl.h"
+#include "common/Optional.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "common/entry_points_enum_autogen.h"
+#include "common/mathutil.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+
+namespace gl
+{
+// A template struct for determining the default value to return for each entry point.
+template <angle::EntryPoint EP, typename ReturnType>
+struct DefaultReturnValue;
+
+// Default return values for each basic return type.
+template <angle::EntryPoint EP>
+struct DefaultReturnValue<EP, GLint>
+{
+    static constexpr GLint kValue = -1;
+};
+
+// This doubles as the GLenum return value.
+template <angle::EntryPoint EP>
+struct DefaultReturnValue<EP, GLuint>
+{
+    static constexpr GLuint kValue = 0;
+};
+
+template <angle::EntryPoint EP>
+struct DefaultReturnValue<EP, GLboolean>
+{
+    static constexpr GLboolean kValue = GL_FALSE;
+};
+
+template <angle::EntryPoint EP>
+struct DefaultReturnValue<EP, ShaderProgramID>
+{
+    static constexpr ShaderProgramID kValue = {0};
+};
+
+// Catch-all rules for pointer types.
+template <angle::EntryPoint EP, typename PointerType>
+struct DefaultReturnValue<EP, const PointerType *>
+{
+    static constexpr const PointerType *kValue = nullptr;
+};
+
+template <angle::EntryPoint EP, typename PointerType>
+struct DefaultReturnValue<EP, PointerType *>
+{
+    static constexpr PointerType *kValue = nullptr;
+};
+
+// Overloaded to return invalid index
+template <>
+struct DefaultReturnValue<angle::EntryPoint::GLGetUniformBlockIndex, GLuint>
+{
+    static constexpr GLuint kValue = GL_INVALID_INDEX;
+};
+
+// Specialized enum error value.
+template <>
+struct DefaultReturnValue<angle::EntryPoint::GLClientWaitSync, GLenum>
+{
+    static constexpr GLenum kValue = GL_WAIT_FAILED;
+};
+
+// glTestFenceNV should still return TRUE for an invalid fence.
+template <>
+struct DefaultReturnValue<angle::EntryPoint::GLTestFenceNV, GLboolean>
+{
+    static constexpr GLboolean kValue = GL_TRUE;
+};
+
+template <angle::EntryPoint EP, typename ReturnType>
+constexpr ANGLE_INLINE ReturnType GetDefaultReturnValue()
+{
+    return DefaultReturnValue<EP, ReturnType>::kValue;
+}
+
+#if ANGLE_CAPTURE_ENABLED
+#    define ANGLE_CAPTURE_GL(Func, ...) CaptureCallToFrameCapture(Capture##Func, __VA_ARGS__)
+#    define ANGLE_CAPTURE_EGL(Func, ...) CaptureCallToCaptureEGL(Capture##Func, __VA_ARGS__)
+#else
+#    define ANGLE_CAPTURE_GL(...)
+#    define ANGLE_CAPTURE_EGL(...)
+#endif  // ANGLE_CAPTURE_ENABLED
+
+#define EGL_EVENT(EP, FMT, ...) EVENT(nullptr, EGL##EP, FMT, ##__VA_ARGS__)
+
+inline int CID(const Context *context)
+{
+    return context == nullptr ? 0 : static_cast<int>(context->id().value);
+}
+}  // namespace gl
+
+namespace egl
+{
+inline int CID(EGLDisplay display, EGLContext context)
+{
+    auto *displayPtr = reinterpret_cast<const egl::Display *>(display);
+    if (!Display::isValidDisplay(displayPtr))
+    {
+        return -1;
+    }
+    auto *contextPtr = reinterpret_cast<const gl::Context *>(context);
+    if (!displayPtr->isValidContext(contextPtr))
+    {
+        return -1;
+    }
+    return gl::CID(contextPtr);
+}
+}  // namespace egl
+
+#endif  // LIBANGLE_ENTRY_POINT_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/es3_copy_conversion_table_autogen.cpp b/gfx/angle/checkout/src/libANGLE/es3_copy_conversion_table_autogen.cpp
new file mode 100644
index 0000000000..3647445c50
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/es3_copy_conversion_table_autogen.cpp
@@ -0,0 +1,171 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_copy_conversion_table.py using data from es3_copy_conversion_formats.json.
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// format_map:
+//   Determining the sized internal format from a (format,type) pair.
+//   Also check es3 format combinations for validity.
+
+#include "angle_gl.h"
+#include "common/debug.h"
+
+namespace gl
+{
+
+bool ValidES3CopyConversion(GLenum textureFormat, GLenum framebufferFormat)
+{
+    switch (textureFormat)
+    {
+        case GL_ALPHA:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                case GL_RGBA:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_BGRA_EXT:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_LUMINANCE:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                case GL_RED:
+                case GL_RG:
+                case GL_RGB:
+                case GL_RGBA:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_LUMINANCE_ALPHA:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                case GL_RGBA:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RED:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                case GL_RED:
+                case GL_RG:
+                case GL_RGB:
+                case GL_RGBA:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RED_INTEGER:
+            switch (framebufferFormat)
+            {
+                case GL_RED_INTEGER:
+                case GL_RGBA_INTEGER:
+                case GL_RGB_INTEGER:
+                case GL_RG_INTEGER:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RG:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                case GL_RG:
+                case GL_RGB:
+                case GL_RGBA:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGB:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                case GL_RGB:
+                case GL_RGBA:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGBA:
+            switch (framebufferFormat)
+            {
+                case GL_BGRA_EXT:
+                case GL_RGBA:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGBA_INTEGER:
+            switch (framebufferFormat)
+            {
+                case GL_RGBA_INTEGER:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGB_INTEGER:
+            switch (framebufferFormat)
+            {
+                case GL_RGBA_INTEGER:
+                case GL_RGB_INTEGER:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RG_INTEGER:
+            switch (framebufferFormat)
+            {
+                case GL_RGBA_INTEGER:
+                case GL_RGB_INTEGER:
+                case GL_RG_INTEGER:
+                    return true;
+                default:
+                    break;
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    return false;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/features.h b/gfx/angle/checkout/src/libANGLE/features.h
new file mode 100644
index 0000000000..0a8891e822
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/features.h
@@ -0,0 +1,56 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef LIBANGLE_FEATURES_H_
+#define LIBANGLE_FEATURES_H_
+
+#include "common/platform.h"
+
+#define ANGLE_DISABLED 0
+#define ANGLE_ENABLED 1
+
+// Feature defaults
+
+// Direct3D9EX
+// The "Debug This Pixel..." feature in PIX often fails when using the
+// D3D9Ex interfaces.  In order to get debug pixel to work on a Vista/Win 7
+// machine, define "ANGLE_D3D9EX=0" in your project file.
+#if !defined(ANGLE_D3D9EX)
+#    define ANGLE_D3D9EX ANGLE_ENABLED
+#endif
+
+// Vsync
+// ENABLED allows Vsync to be configured at runtime
+// DISABLED disallows Vsync
+#if !defined(ANGLE_VSYNC)
+#    define ANGLE_VSYNC ANGLE_ENABLED
+#endif
+
+// Append HLSL assembly to shader debug info. Defaults to enabled in Debug and off in Release.
+#if !defined(ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO)
+#    if !defined(NDEBUG)
+#        define ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO ANGLE_ENABLED
+#    else
+#        define ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO ANGLE_DISABLED
+#    endif  // !defined(NDEBUG)
+#endif      // !defined(ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO)
+
+// Program link validation of precisions for uniforms. This feature was
+// requested by developers to allow non-conformant shaders to be used which
+// contain mismatched precisions.
+// ENABLED validate that precision for uniforms match between vertex and fragment shaders
+// DISABLED allow precision for uniforms to differ between vertex and fragment shaders
+#if !defined(ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION)
+#    define ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION ANGLE_ENABLED
+#endif
+
+// Controls if our threading code uses std::async or falls back to single-threaded operations.
+// Note that we can't easily use std::async in UWPs due to UWP threading restrictions.
+#if !defined(ANGLE_STD_ASYNC_WORKERS) && !defined(ANGLE_ENABLE_WINDOWS_UWP)
+#    define ANGLE_STD_ASYNC_WORKERS ANGLE_ENABLED
+#endif  // !defined(ANGLE_STD_ASYNC_WORKERS) && & !defined(ANGLE_ENABLE_WINDOWS_UWP)
+
+#endif  // LIBANGLE_FEATURES_H_
diff --git a/gfx/angle/checkout/src/libANGLE/format_map_autogen.cpp b/gfx/angle/checkout/src/libANGLE/format_map_autogen.cpp
new file mode 100644
index 0000000000..4685bb8931
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/format_map_autogen.cpp
@@ -0,0 +1,1781 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_format_map.py using data from format_map_data.json.
+// ES3 format info from es3_format_type_combinations.json.
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// format_map:
+//   Determining the sized internal format from a (format,type) pair.
+//   Also check es3 format combinations for validity.
+
+#include "angle_gl.h"
+#include "common/debug.h"
+
+namespace gl
+{
+
+GLenum GetSizedFormatInternal(GLenum format, GLenum type)
+{
+    switch (format)
+    {
+        case GL_ALPHA:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return GL_ALPHA32F_EXT;
+                case GL_HALF_FLOAT:
+                    return GL_ALPHA16F_EXT;
+                case GL_HALF_FLOAT_OES:
+                    return GL_ALPHA16F_EXT;
+                case GL_UNSIGNED_BYTE:
+                    return GL_ALPHA8_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_BGRA_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_BGRA8_EXT;
+                case GL_UNSIGNED_INT_2_10_10_10_REV:
+                    return GL_BGR10_A2_ANGLEX;
+                case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+                    return GL_BGR5_A1_ANGLEX;
+                case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+                    return GL_BGRA4_ANGLEX;
+                case GL_UNSIGNED_SHORT_5_6_5:
+                    return GL_BGR565_ANGLEX;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RED_GREEN_RGTC2_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RED_RGTC1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGBA_BPTC_UNORM_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SIGNED_RED_RGTC1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_DEPTH_COMPONENT:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return GL_DEPTH_COMPONENT32F;
+                case GL_UNSIGNED_INT:
+                    return GL_DEPTH_COMPONENT32_OES;
+                case GL_UNSIGNED_INT_24_8:
+                    return GL_DEPTH24_STENCIL8;
+                case GL_UNSIGNED_SHORT:
+                    return GL_DEPTH_COMPONENT16;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_DEPTH_STENCIL:
+            switch (type)
+            {
+                case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+                    return GL_DEPTH32F_STENCIL8;
+                case GL_UNSIGNED_INT_24_8:
+                    return GL_DEPTH24_STENCIL8;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_LUMINANCE:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return GL_LUMINANCE32F_EXT;
+                case GL_HALF_FLOAT:
+                    return GL_LUMINANCE16F_EXT;
+                case GL_HALF_FLOAT_OES:
+                    return GL_LUMINANCE16F_EXT;
+                case GL_UNSIGNED_BYTE:
+                    return GL_LUMINANCE8_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_LUMINANCE_ALPHA:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return GL_LUMINANCE_ALPHA32F_EXT;
+                case GL_HALF_FLOAT:
+                    return GL_LUMINANCE_ALPHA16F_EXT;
+                case GL_HALF_FLOAT_OES:
+                    return GL_LUMINANCE_ALPHA16F_EXT;
+                case GL_UNSIGNED_BYTE:
+                    return GL_LUMINANCE8_ALPHA8_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RED:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_R8_SNORM;
+                case GL_FLOAT:
+                    return GL_R32F;
+                case GL_HALF_FLOAT:
+                    return GL_R16F;
+                case GL_HALF_FLOAT_OES:
+                    return GL_R16F;
+                case GL_SHORT:
+                    return GL_R16_SNORM_EXT;
+                case GL_UNSIGNED_BYTE:
+                    return GL_R8;
+                case GL_UNSIGNED_SHORT:
+                    return GL_R16_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RED_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_R8I;
+                case GL_INT:
+                    return GL_R32I;
+                case GL_SHORT:
+                    return GL_R16I;
+                case GL_UNSIGNED_BYTE:
+                    return GL_R8UI;
+                case GL_UNSIGNED_INT:
+                    return GL_R32UI;
+                case GL_UNSIGNED_SHORT:
+                    return GL_R16UI;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RG:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_RG8_SNORM;
+                case GL_FLOAT:
+                    return GL_RG32F;
+                case GL_HALF_FLOAT:
+                    return GL_RG16F;
+                case GL_HALF_FLOAT_OES:
+                    return GL_RG16F;
+                case GL_SHORT:
+                    return GL_RG16_SNORM_EXT;
+                case GL_UNSIGNED_BYTE:
+                    return GL_RG8;
+                case GL_UNSIGNED_SHORT:
+                    return GL_RG16_EXT;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGB:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_RGB8_SNORM;
+                case GL_FLOAT:
+                    return GL_RGB32F;
+                case GL_HALF_FLOAT:
+                    return GL_RGB16F;
+                case GL_HALF_FLOAT_OES:
+                    return GL_RGB16F;
+                case GL_SHORT:
+                    return GL_RGB16_SNORM_EXT;
+                case GL_UNSIGNED_BYTE:
+                    return GL_RGB8;
+                case GL_UNSIGNED_INT_10F_11F_11F_REV:
+                    return GL_R11F_G11F_B10F;
+                case GL_UNSIGNED_INT_2_10_10_10_REV:
+                    return GL_RGB10_UNORM_ANGLEX;
+                case GL_UNSIGNED_INT_5_9_9_9_REV:
+                    return GL_RGB9_E5;
+                case GL_UNSIGNED_SHORT:
+                    return GL_RGB16_EXT;
+                case GL_UNSIGNED_SHORT_5_6_5:
+                    return GL_RGB565;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGBA:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_RGBA8_SNORM;
+                case GL_FLOAT:
+                    return GL_RGBA32F;
+                case GL_HALF_FLOAT:
+                    return GL_RGBA16F;
+                case GL_HALF_FLOAT_OES:
+                    return GL_RGBA16F;
+                case GL_SHORT:
+                    return GL_RGBA16_SNORM_EXT;
+                case GL_UNSIGNED_BYTE:
+                    return GL_RGBA8;
+                case GL_UNSIGNED_INT_2_10_10_10_REV:
+                    return GL_RGB10_A2;
+                case GL_UNSIGNED_SHORT:
+                    return GL_RGBA16_EXT;
+                case GL_UNSIGNED_SHORT_4_4_4_4:
+                    return GL_RGBA4;
+                case GL_UNSIGNED_SHORT_5_5_5_1:
+                    return GL_RGB5_A1;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGBA_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_RGBA8I;
+                case GL_INT:
+                    return GL_RGBA32I;
+                case GL_SHORT:
+                    return GL_RGBA16I;
+                case GL_UNSIGNED_BYTE:
+                    return GL_RGBA8UI;
+                case GL_UNSIGNED_INT:
+                    return GL_RGBA32UI;
+                case GL_UNSIGNED_INT_2_10_10_10_REV:
+                    return GL_RGB10_A2UI;
+                case GL_UNSIGNED_SHORT:
+                    return GL_RGBA16UI;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGB_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_RGB8I;
+                case GL_INT:
+                    return GL_RGB32I;
+                case GL_SHORT:
+                    return GL_RGB16I;
+                case GL_UNSIGNED_BYTE:
+                    return GL_RGB8UI;
+                case GL_UNSIGNED_INT:
+                    return GL_RGB32UI;
+                case GL_UNSIGNED_SHORT:
+                    return GL_RGB16UI;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RG_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                    return GL_RG8I;
+                case GL_INT:
+                    return GL_RG32I;
+                case GL_SHORT:
+                    return GL_RG16I;
+                case GL_UNSIGNED_BYTE:
+                    return GL_RG8UI;
+                case GL_UNSIGNED_INT:
+                    return GL_RG32UI;
+                case GL_UNSIGNED_SHORT:
+                    return GL_RG16UI;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_SRGB_ALPHA_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_SRGB8_ALPHA8;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_SRGB_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_SRGB8;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_STENCIL:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_STENCIL_INDEX8;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_STENCIL_INDEX_OES:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                    return GL_STENCIL_INDEX8;
+                default:
+                    break;
+            }
+            break;
+
+        case GL_NONE:
+            return GL_NONE;
+
+        default:
+            break;
+    }
+
+    return GL_NONE;
+}
+
+bool ValidES3Format(GLenum format)
+{
+    switch (format)
+    {
+        case GL_ALPHA:
+        case GL_BGRA_EXT:
+        case GL_DEPTH_COMPONENT:
+        case GL_DEPTH_STENCIL:
+        case GL_LUMINANCE:
+        case GL_LUMINANCE_ALPHA:
+        case GL_RED:
+        case GL_RED_INTEGER:
+        case GL_RG:
+        case GL_RGB:
+        case GL_RGBA:
+        case GL_RGBA_INTEGER:
+        case GL_RGB_INTEGER:
+        case GL_RG_INTEGER:
+        case GL_SRGB_ALPHA_EXT:
+        case GL_SRGB_EXT:
+        case GL_STENCIL_INDEX:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidES3Type(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+        case GL_FLOAT:
+        case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+        case GL_HALF_FLOAT:
+        case GL_HALF_FLOAT_OES:
+        case GL_INT:
+        case GL_SHORT:
+        case GL_UNSIGNED_BYTE:
+        case GL_UNSIGNED_INT:
+        case GL_UNSIGNED_INT_10F_11F_11F_REV:
+        case GL_UNSIGNED_INT_24_8:
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+        case GL_UNSIGNED_INT_5_9_9_9_REV:
+        case GL_UNSIGNED_SHORT:
+        case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+        case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+        case GL_UNSIGNED_SHORT_5_6_5:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidES3FormatCombination(GLenum format, GLenum type, GLenum internalFormat)
+{
+    ASSERT(ValidES3Format(format) && ValidES3Type(type));
+
+    switch (format)
+    {
+        case GL_ALPHA:
+            switch (type)
+            {
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_ALPHA:
+                        case GL_ALPHA32F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_ALPHA:
+                        case GL_ALPHA16F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT_OES:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_ALPHA:
+                        case GL_ALPHA16F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_ALPHA:
+                        case GL_ALPHA8_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_BGRA_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_BGRA_EXT:
+                        case GL_BGRA8_EXT:
+                        case GL_BGRA4_ANGLEX:
+                        case GL_BGR5_A1_ANGLEX:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_BGR5_A1_ANGLEX:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_BGRA4_ANGLEX:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_DEPTH_COMPONENT:
+            switch (type)
+            {
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_DEPTH_COMPONENT32F:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_DEPTH_COMPONENT24:
+                        case GL_DEPTH_COMPONENT16:
+                        case GL_DEPTH_COMPONENT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT_24_8:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_DEPTH_COMPONENT32_OES:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_DEPTH_COMPONENT16:
+                        case GL_DEPTH_COMPONENT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_DEPTH_STENCIL:
+            switch (type)
+            {
+                case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_DEPTH32F_STENCIL8:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT_24_8:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_DEPTH_STENCIL:
+                        case GL_DEPTH24_STENCIL8:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_LUMINANCE:
+            switch (type)
+            {
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE:
+                        case GL_LUMINANCE32F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE:
+                        case GL_LUMINANCE16F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT_OES:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE:
+                        case GL_LUMINANCE16F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE:
+                        case GL_LUMINANCE8_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_LUMINANCE_ALPHA:
+            switch (type)
+            {
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE_ALPHA:
+                        case GL_LUMINANCE_ALPHA32F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE_ALPHA:
+                        case GL_LUMINANCE_ALPHA16F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT_OES:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE_ALPHA:
+                        case GL_LUMINANCE_ALPHA16F_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_LUMINANCE_ALPHA:
+                        case GL_LUMINANCE8_ALPHA8_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RED:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R8_SNORM:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R32F:
+                        case GL_R16F:
+                        case GL_RED:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R16F:
+                        case GL_RED:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT_OES:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R16F:
+                        case GL_RED:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R16_SNORM_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R8:
+                        case GL_RED:
+                        case GL_SR8_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R16_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RED_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R8I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R32I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R16I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R8UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R32UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R16UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RG:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG8_SNORM:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG32F:
+                        case GL_RG16F:
+                        case GL_RG:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG16F:
+                        case GL_RG:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT_OES:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG16F:
+                        case GL_RG:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG16_SNORM_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG8:
+                        case GL_RG:
+                        case GL_SRG8_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG16_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGB:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB8_SNORM:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB32F:
+                        case GL_RGB16F:
+                        case GL_R11F_G11F_B10F:
+                        case GL_RGB9_E5:
+                        case GL_RGB:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB16F:
+                        case GL_R11F_G11F_B10F:
+                        case GL_RGB9_E5:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT_OES:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB16F:
+                        case GL_R11F_G11F_B10F:
+                        case GL_RGB9_E5:
+                        case GL_RGB:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB16_SNORM_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB8:
+                        case GL_RGB565:
+                        case GL_SRGB8:
+                        case GL_RGB:
+                        case GL_RGBX8_ANGLE:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT_10F_11F_11F_REV:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_R11F_G11F_B10F:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT_2_10_10_10_REV:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT_5_9_9_9_REV:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB9_E5:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB16_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT_5_6_5:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB565:
+                        case GL_RGB:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGBA:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA8_SNORM:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA32F:
+                        case GL_RGBA16F:
+                        case GL_RGBA:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA16F:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_HALF_FLOAT_OES:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA16F:
+                        case GL_RGBA:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA16_SNORM_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA8:
+                        case GL_RGB5_A1:
+                        case GL_RGBA4:
+                        case GL_SRGB8_ALPHA8:
+                        case GL_RGBA:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT_2_10_10_10_REV:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB10_A2:
+                        case GL_RGB5_A1:
+                        case GL_RGBA:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA16_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT_4_4_4_4:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA4:
+                        case GL_RGBA:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT_5_5_5_1:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB5_A1:
+                        case GL_RGBA:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGBA_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA8I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA32I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA16I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA8UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA32UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT_2_10_10_10_REV:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB10_A2UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGBA16UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RGB_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB8I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB32I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB16I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB8UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB32UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RGB16UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_RG_INTEGER:
+            switch (type)
+            {
+                case GL_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG8I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG32I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG16I:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG8UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_INT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG32UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                case GL_UNSIGNED_SHORT:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_RG16UI:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_SRGB_ALPHA_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_SRGB_ALPHA_EXT:
+                        case GL_SRGB8_ALPHA8_EXT:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_SRGB_EXT:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_SRGB_EXT:
+                        case GL_SRGB8:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        case GL_STENCIL_INDEX:
+            switch (type)
+            {
+                case GL_UNSIGNED_BYTE:
+                {
+                    switch (internalFormat)
+                    {
+                        case GL_STENCIL_INDEX8:
+                            return true;
+                        default:
+                            break;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return false;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/format_map_desktop.cpp b/gfx/angle/checkout/src/libANGLE/format_map_desktop.cpp
new file mode 100644
index 0000000000..17122af6a7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/format_map_desktop.cpp
@@ -0,0 +1,128 @@
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// format_map_desktop:
+//   Determining the sized internal format from a (format,type) pair.
+//   Also check DesktopGL format combinations for validity.
+
+#include "angle_gl.h"
+#include "common/debug.h"
+#include "formatutils.h"
+#include "renderer/gl/functionsgl_enums.h"
+
+// TODO(http://anglebug.com/3730): switch ANGLE to generate its own GL enum types from gl.xml
+
+namespace gl
+{
+
+bool ValidDesktopFormat(GLenum format)
+{
+    switch (format)
+    {
+        case GL_STENCIL_INDEX:
+        case GL_DEPTH_COMPONENT:
+        case GL_DEPTH_STENCIL:
+        case GL_RED:
+        case GL_GREEN:
+        case GL_BLUE:
+        case GL_RG:
+        case GL_RGB:
+        case GL_RGBA:
+        case GL_BGR:
+        case GL_BGRA:
+        case GL_RED_INTEGER:
+        case GL_GREEN_INTEGER:
+        case GL_BLUE_INTEGER:
+        case GL_RG_INTEGER:
+        case GL_RGB_INTEGER:
+        case GL_RGBA_INTEGER:
+        case GL_BGR_INTEGER:
+        case GL_BGRA_INTEGER:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidDesktopType(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+        case GL_BYTE:
+        case GL_UNSIGNED_SHORT:
+        case GL_SHORT:
+        case GL_UNSIGNED_INT:
+        case GL_INT:
+        case GL_HALF_FLOAT:
+        case GL_FLOAT:
+        case GL_UNSIGNED_BYTE_3_3_2:
+        case GL_UNSIGNED_BYTE_2_3_3_REV:
+        case GL_UNSIGNED_SHORT_5_6_5:
+        case GL_UNSIGNED_SHORT_5_6_5_REV:
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+        case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+        case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+        case GL_UNSIGNED_INT_10_10_10_2:
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+        case GL_UNSIGNED_INT_24_8:
+        case GL_UNSIGNED_INT_10F_11F_11F_REV:
+        case GL_UNSIGNED_INT_5_9_9_9_REV:
+        case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+// From OpenGL 4.6 spec section 8.4
+bool ValidDesktopFormatCombination(GLenum format, GLenum type, GLenum internalFormat)
+{
+    ASSERT(ValidDesktopFormat(format) && ValidDesktopType(type));
+    const InternalFormat &internalFormatInfo = GetInternalFormatInfo(internalFormat, type);
+    const InternalFormat &formatInfo         = GetInternalFormatInfo(format, type);
+
+    switch (format)
+    {
+        case GL_RED_INTEGER:
+        case GL_GREEN_INTEGER:
+        case GL_BLUE_INTEGER:
+        case GL_RG_INTEGER:
+        case GL_RGB_INTEGER:
+        case GL_RGBA_INTEGER:
+        case GL_BGR_INTEGER:
+        case GL_BGRA_INTEGER:
+            switch (type)
+            {
+                case GL_HALF_FLOAT:
+                case GL_FLOAT:
+                case GL_UNSIGNED_INT_10F_11F_11F_REV:
+                case GL_UNSIGNED_INT_5_9_9_9_REV:
+                    return false;
+                default:
+                    break;
+            }
+            if (!internalFormatInfo.isInt())
+                return false;
+            break;
+        default:
+            // format is not an integer
+            if (internalFormatInfo.isInt())
+                return false;
+
+            if (formatInfo.isDepthOrStencil() != internalFormatInfo.isDepthOrStencil())
+                return false;
+
+            if (format == GL_STENCIL_INDEX && internalFormat != GL_STENCIL_INDEX)
+                return false;
+            break;
+    }
+
+    return true;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/formatutils.cpp b/gfx/angle/checkout/src/libANGLE/formatutils.cpp
new file mode 100644
index 0000000000..76273f3be3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/formatutils.cpp
@@ -0,0 +1,3220 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils.cpp: Queries for GL image formats.
+
+#include "libANGLE/formatutils.h"
+
+#include "anglebase/no_destructor.h"
+#include "common/mathutil.h"
+#include "gpu_info_util/SystemInfo.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+
+using namespace angle;
+
+namespace gl
+{
+
+// ES2 requires that format is equal to internal format at all glTex*Image2D entry points and the
+// implementation can decide the true, sized, internal format. The ES2FormatMap determines the
+// internal format for all valid format and type combinations.
+GLenum GetSizedFormatInternal(GLenum format, GLenum type);
+
+namespace
+{
+bool CheckedMathResult(const CheckedNumeric<GLuint> &value, GLuint *resultOut)
+{
+    if (!value.IsValid())
+    {
+        return false;
+    }
+    else
+    {
+        *resultOut = value.ValueOrDie();
+        return true;
+    }
+}
+
+constexpr uint32_t PackTypeInfo(GLuint bytes, bool specialized)
+{
+    // static_assert within constexpr requires c++17
+    // static_assert(isPow2(bytes));
+    return bytes | (rx::Log2(bytes) << 8) | (specialized << 16);
+}
+
+}  // anonymous namespace
+
+FormatType::FormatType() : format(GL_NONE), type(GL_NONE) {}
+
+FormatType::FormatType(GLenum format_, GLenum type_) : format(format_), type(type_) {}
+
+bool FormatType::operator<(const FormatType &other) const
+{
+    if (format != other.format)
+        return format < other.format;
+    return type < other.type;
+}
+
+bool operator<(const Type &a, const Type &b)
+{
+    return memcmp(&a, &b, sizeof(Type)) < 0;
+}
+
+// Information about internal formats
+static bool AlwaysSupported(const Version &, const Extensions &)
+{
+    return true;
+}
+
+static bool NeverSupported(const Version &, const Extensions &)
+{
+    return false;
+}
+
+static bool RequireES1(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion.major == 1;
+}
+
+template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion>
+static bool RequireES(const Version &clientVersion, const Extensions &)
+{
+    return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion);
+}
+
+// Check support for a single extension
+template <ExtensionBool bool1>
+static bool RequireExt(const Version &, const Extensions &extensions)
+{
+    return extensions.*bool1;
+}
+
+// Check for a minimum client version or a single extension
+template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion, ExtensionBool bool1>
+static bool RequireESOrExt(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+           extensions.*bool1;
+}
+
+// Check for a minimum client version or two extensions
+template <GLuint minCoreGLMajorVersion,
+          GLuint minCoreGLMinorVersion,
+          ExtensionBool bool1,
+          ExtensionBool bool2>
+static bool RequireESOrExtAndExt(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+           (extensions.*bool1 && extensions.*bool2);
+}
+
+// Check for a minimum client version or at least one of two extensions
+template <GLuint minCoreGLMajorVersion,
+          GLuint minCoreGLMinorVersion,
+          ExtensionBool bool1,
+          ExtensionBool bool2>
+static bool RequireESOrExtOrExt(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+           extensions.*bool1 || extensions.*bool2;
+}
+
+// Check support for two extensions
+template <ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireExtAndExt(const Version &, const Extensions &extensions)
+{
+    return extensions.*bool1 && extensions.*bool2;
+}
+
+// Check support for either of two extensions
+template <ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireExtOrExt(const Version &, const Extensions &extensions)
+{
+    return extensions.*bool1 || extensions.*bool2;
+}
+
+// Check support for any of three extensions
+template <ExtensionBool bool1, ExtensionBool bool2, ExtensionBool bool3>
+static bool RequireExtOrExtOrExt(const Version &, const Extensions &extensions)
+{
+    return extensions.*bool1 || extensions.*bool2 || extensions.*bool3;
+}
+
+// R8, RG8
+static bool SizedRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion >= Version(3, 0) ||
+           (extensions.textureStorageEXT && extensions.textureRgEXT);
+}
+
+// R16F, RG16F with HALF_FLOAT_OES type
+static bool SizedHalfFloatOESRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    return extensions.textureStorageEXT && extensions.textureHalfFloatOES &&
+           extensions.textureRgEXT;
+}
+
+static bool SizedHalfFloatOESRGTextureAttachmentSupport(const Version &clientVersion,
+                                                        const Extensions &extensions)
+{
+    return SizedHalfFloatOESRGSupport(clientVersion, extensions) &&
+           extensions.colorBufferHalfFloatEXT;
+}
+
+// R16F, RG16F with either HALF_FLOAT_OES or HALF_FLOAT types
+static bool SizedHalfFloatRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    // HALF_FLOAT
+    if (clientVersion >= Version(3, 0))
+    {
+        return true;
+    }
+    // HALF_FLOAT_OES
+    else
+    {
+        return SizedHalfFloatOESRGSupport(clientVersion, extensions);
+    }
+}
+
+static bool SizedHalfFloatRGTextureAttachmentSupport(const Version &clientVersion,
+                                                     const Extensions &extensions)
+{
+    // HALF_FLOAT
+    if (clientVersion >= Version(3, 0))
+    {
+        // WebGL 2 supports EXT_color_buffer_half_float.
+        return extensions.colorBufferFloatEXT ||
+               (extensions.webglCompatibilityANGLE && extensions.colorBufferHalfFloatEXT);
+    }
+    // HALF_FLOAT_OES
+    else
+    {
+        return SizedHalfFloatOESRGTextureAttachmentSupport(clientVersion, extensions);
+    }
+}
+
+static bool SizedHalfFloatRGRenderbufferSupport(const Version &clientVersion,
+                                                const Extensions &extensions)
+{
+    return (clientVersion >= Version(3, 0) ||
+            (extensions.textureHalfFloatOES && extensions.textureRgEXT)) &&
+           (extensions.colorBufferFloatEXT || extensions.colorBufferHalfFloatEXT);
+}
+
+// RGB16F, RGBA16F with HALF_FLOAT_OES type
+static bool SizedHalfFloatOESSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    return extensions.textureStorageEXT && extensions.textureHalfFloatOES;
+}
+
+static bool SizedHalfFloatOESTextureAttachmentSupport(const Version &clientVersion,
+                                                      const Extensions &extensions)
+{
+    return SizedHalfFloatOESSupport(clientVersion, extensions) &&
+           extensions.colorBufferHalfFloatEXT;
+}
+
+// RGB16F, RGBA16F with either HALF_FLOAT_OES or HALF_FLOAT types
+static bool SizedHalfFloatSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    // HALF_FLOAT
+    if (clientVersion >= Version(3, 0))
+    {
+        return true;
+    }
+    // HALF_FLOAT_OES
+    else
+    {
+        return SizedHalfFloatOESSupport(clientVersion, extensions);
+    }
+}
+
+static bool SizedHalfFloatFilterSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    // HALF_FLOAT
+    if (clientVersion >= Version(3, 0))
+    {
+        return true;
+    }
+    // HALF_FLOAT_OES
+    else
+    {
+        return extensions.textureHalfFloatLinearOES;
+    }
+}
+
+static bool SizedHalfFloatRGBTextureAttachmentSupport(const Version &clientVersion,
+                                                      const Extensions &extensions)
+{
+    // HALF_FLOAT
+    if (clientVersion >= Version(3, 0))
+    {
+        // It is unclear how EXT_color_buffer_half_float applies to ES3.0 and above, however,
+        // dEQP GLES3 es3fFboColorbufferTests.cpp verifies that texture attachment of GL_RGB16F
+        // is possible, so assume that all GLES implementations support it.
+        // The WebGL version of the extension explicitly forbids RGB formats.
+        return extensions.colorBufferHalfFloatEXT && !extensions.webglCompatibilityANGLE;
+    }
+    // HALF_FLOAT_OES
+    else
+    {
+        return SizedHalfFloatOESTextureAttachmentSupport(clientVersion, extensions);
+    }
+}
+
+static bool SizedHalfFloatRGBRenderbufferSupport(const Version &clientVersion,
+                                                 const Extensions &extensions)
+{
+    return !extensions.webglCompatibilityANGLE &&
+           ((clientVersion >= Version(3, 0) || extensions.textureHalfFloatOES) &&
+            extensions.colorBufferHalfFloatEXT);
+}
+
+static bool SizedHalfFloatRGBATextureAttachmentSupport(const Version &clientVersion,
+                                                       const Extensions &extensions)
+{
+    // HALF_FLOAT
+    if (clientVersion >= Version(3, 0))
+    {
+        // WebGL 2 supports EXT_color_buffer_half_float.
+        return extensions.colorBufferFloatEXT ||
+               (extensions.webglCompatibilityANGLE && extensions.colorBufferHalfFloatEXT);
+    }
+    // HALF_FLOAT_OES
+    else
+    {
+        return SizedHalfFloatOESTextureAttachmentSupport(clientVersion, extensions);
+    }
+}
+
+static bool SizedHalfFloatRGBARenderbufferSupport(const Version &clientVersion,
+                                                  const Extensions &extensions)
+{
+    return (clientVersion >= Version(3, 0) || extensions.textureHalfFloatOES) &&
+           (extensions.colorBufferFloatEXT || extensions.colorBufferHalfFloatEXT);
+}
+
+// R32F, RG32F
+static bool SizedFloatRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion >= Version(3, 0) ||
+           (extensions.textureStorageEXT && extensions.textureFloatOES && extensions.textureRgEXT);
+}
+
+// RGB32F
+static bool SizedFloatRGBSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion >= Version(3, 0) ||
+           (extensions.textureStorageEXT && extensions.textureFloatOES) ||
+           extensions.colorBufferFloatRgbCHROMIUM;
+}
+
+// RGBA32F
+static bool SizedFloatRGBASupport(const Version &clientVersion, const Extensions &extensions)
+{
+    return clientVersion >= Version(3, 0) ||
+           (extensions.textureStorageEXT && extensions.textureFloatOES) ||
+           extensions.colorBufferFloatRgbaCHROMIUM;
+}
+
+static bool SizedFloatRGBARenderableSupport(const Version &clientVersion,
+                                            const Extensions &extensions)
+{
+    // This logic is the same for both Renderbuffers and TextureAttachment.
+    return extensions.colorBufferFloatRgbaCHROMIUM ||  // ES2
+           extensions.colorBufferFloatEXT;             // ES3
+}
+
+static bool Float32BlendableSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    // EXT_float_blend may be exposed on ES2 client contexts. Ensure that RGBA32F is renderable.
+    return (extensions.colorBufferFloatRgbaCHROMIUM || extensions.colorBufferFloatEXT) &&
+           extensions.floatBlendEXT;
+}
+
+template <ExtensionBool bool1>
+static bool ETC2EACSupport(const Version &clientVersion, const Extensions &extensions)
+{
+    if (extensions.compressedTextureEtcANGLE)
+    {
+        return true;
+    }
+
+    // ETC2/EAC formats are always available in ES 3.0+ but require an extension (checked above)
+    // in WebGL. If that extension is not available, hide these formats from WebGL contexts.
+    return !extensions.webglCompatibilityANGLE &&
+           (clientVersion >= Version(3, 0) || extensions.*bool1);
+}
+
+InternalFormat::InternalFormat()
+    : internalFormat(GL_NONE),
+      sized(false),
+      sizedInternalFormat(GL_NONE),
+      redBits(0),
+      greenBits(0),
+      blueBits(0),
+      luminanceBits(0),
+      alphaBits(0),
+      sharedBits(0),
+      depthBits(0),
+      stencilBits(0),
+      pixelBytes(0),
+      componentCount(0),
+      compressed(false),
+      compressedBlockWidth(0),
+      compressedBlockHeight(0),
+      compressedBlockDepth(0),
+      paletted(false),
+      paletteBits(0),
+      format(GL_NONE),
+      type(GL_NONE),
+      componentType(GL_NONE),
+      colorEncoding(GL_NONE),
+      textureSupport(NeverSupported),
+      filterSupport(NeverSupported),
+      textureAttachmentSupport(NeverSupported),
+      renderbufferSupport(NeverSupported),
+      blendSupport(NeverSupported)
+{}
+
+InternalFormat::InternalFormat(const InternalFormat &other) = default;
+
+InternalFormat &InternalFormat::operator=(const InternalFormat &other) = default;
+
+bool InternalFormat::isLUMA() const
+{
+    return ((redBits + greenBits + blueBits + depthBits + stencilBits) == 0 &&
+            (luminanceBits + alphaBits) > 0);
+}
+
+GLenum InternalFormat::getReadPixelsFormat(const Extensions &extensions) const
+{
+    switch (format)
+    {
+        case GL_BGRA_EXT:
+            // BGRA textures may be enabled but calling glReadPixels with BGRA is disallowed without
+            // GL_EXT_texture_format_BGRA8888.  Read as RGBA instead.
+            if (!extensions.readFormatBgraEXT)
+            {
+                return GL_RGBA;
+            }
+            return GL_BGRA_EXT;
+
+        default:
+            return format;
+    }
+}
+
+GLenum InternalFormat::getReadPixelsType(const Version &version) const
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+        case GL_HALF_FLOAT_OES:
+            if (version < Version(3, 0))
+            {
+                // The internal format may have a type of GL_HALF_FLOAT but when exposing this type
+                // as the IMPLEMENTATION_READ_TYPE, only HALF_FLOAT_OES is allowed by
+                // OES_texture_half_float.  HALF_FLOAT becomes core in ES3 and is acceptable to use
+                // as an IMPLEMENTATION_READ_TYPE.
+                return GL_HALF_FLOAT_OES;
+            }
+            return GL_HALF_FLOAT;
+
+        default:
+            return type;
+    }
+}
+
+bool InternalFormat::supportSubImage() const
+{
+    return !CompressedFormatRequiresWholeImage(internalFormat);
+}
+
+bool InternalFormat::isRequiredRenderbufferFormat(const Version &version) const
+{
+    // GLES 3.0.5 section 4.4.2.2:
+    // "Implementations are required to support the same internal formats for renderbuffers as the
+    // required formats for textures enumerated in section 3.8.3.1, with the exception of the color
+    // formats labelled "texture-only"."
+    if (!sized || compressed)
+    {
+        return false;
+    }
+
+    // Luma formats.
+    if (isLUMA())
+    {
+        return false;
+    }
+
+    // Depth/stencil formats.
+    if (depthBits > 0 || stencilBits > 0)
+    {
+        // GLES 2.0.25 table 4.5.
+        // GLES 3.0.5 section 3.8.3.1.
+        // GLES 3.1 table 8.14.
+
+        // Required formats in all versions.
+        switch (internalFormat)
+        {
+            case GL_DEPTH_COMPONENT16:
+            case GL_STENCIL_INDEX8:
+                // Note that STENCIL_INDEX8 is not mentioned in GLES 3.0.5 section 3.8.3.1, but it
+                // is in section 4.4.2.2.
+                return true;
+            default:
+                break;
+        }
+        if (version.major < 3)
+        {
+            return false;
+        }
+        // Required formats in GLES 3.0 and up.
+        switch (internalFormat)
+        {
+            case GL_DEPTH_COMPONENT32F:
+            case GL_DEPTH_COMPONENT24:
+            case GL_DEPTH32F_STENCIL8:
+            case GL_DEPTH24_STENCIL8:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    // RGBA formats.
+    // GLES 2.0.25 table 4.5.
+    // GLES 3.0.5 section 3.8.3.1.
+    // GLES 3.1 table 8.13.
+
+    // Required formats in all versions.
+    switch (internalFormat)
+    {
+        case GL_RGBA4:
+        case GL_RGB5_A1:
+        case GL_RGB565:
+            return true;
+        default:
+            break;
+    }
+    if (version.major < 3)
+    {
+        return false;
+    }
+
+    if (format == GL_BGRA_EXT)
+    {
+        return false;
+    }
+
+    switch (componentType)
+    {
+        case GL_SIGNED_NORMALIZED:
+        case GL_FLOAT:
+            return false;
+        case GL_UNSIGNED_INT:
+        case GL_INT:
+            // Integer RGB formats are not required renderbuffer formats.
+            if (alphaBits == 0 && blueBits != 0)
+            {
+                return false;
+            }
+            // All integer R and RG formats are required.
+            // Integer RGBA formats including RGB10_A2_UI are required.
+            return true;
+        case GL_UNSIGNED_NORMALIZED:
+            if (internalFormat == GL_SRGB8)
+            {
+                return false;
+            }
+            return true;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool InternalFormat::isInt() const
+{
+    return componentType == GL_INT || componentType == GL_UNSIGNED_INT;
+}
+
+bool InternalFormat::isDepthOrStencil() const
+{
+    return depthBits != 0 || stencilBits != 0;
+}
+
+Format::Format(GLenum internalFormat) : Format(GetSizedInternalFormatInfo(internalFormat)) {}
+
+Format::Format(const InternalFormat &internalFormat) : info(&internalFormat) {}
+
+Format::Format(GLenum internalFormat, GLenum type)
+    : info(&GetInternalFormatInfo(internalFormat, type))
+{}
+
+Format::Format(const Format &other)            = default;
+Format &Format::operator=(const Format &other) = default;
+
+bool Format::valid() const
+{
+    return info->internalFormat != GL_NONE;
+}
+
+// static
+bool Format::SameSized(const Format &a, const Format &b)
+{
+    return a.info->sizedInternalFormat == b.info->sizedInternalFormat;
+}
+
+static GLenum EquivalentBlitInternalFormat(GLenum internalformat)
+{
+    // BlitFramebuffer works if the color channels are identically
+    // sized, even if there is a swizzle (for example, blitting from a
+    // multisampled RGBA8 renderbuffer to a BGRA8 texture). This could
+    // be expanded and/or autogenerated if that is found necessary.
+    if (internalformat == GL_BGRA8_EXT)
+    {
+        return GL_RGBA8;
+    }
+
+    // GL_ANGLE_rgbx_internal_format: Treat RGBX8 as RGB8, since the X channel is ignored.
+    if (internalformat == GL_RGBX8_ANGLE)
+    {
+        return GL_RGB8;
+    }
+
+    // Treat ANGLE's BGRX8 as RGB8 since it's swizzled and the X channel is ignored.
+    if (internalformat == GL_BGRX8_ANGLEX)
+    {
+        return GL_RGB8;
+    }
+
+    return internalformat;
+}
+
+// static
+bool Format::EquivalentForBlit(const Format &a, const Format &b)
+{
+    return (EquivalentBlitInternalFormat(a.info->sizedInternalFormat) ==
+            EquivalentBlitInternalFormat(b.info->sizedInternalFormat));
+}
+
+// static
+Format Format::Invalid()
+{
+    static Format invalid(GL_NONE, GL_NONE);
+    return invalid;
+}
+
+std::ostream &operator<<(std::ostream &os, const Format &fmt)
+{
+    // TODO(ynovikov): return string representation when available
+    return FmtHex(os, fmt.info->sizedInternalFormat);
+}
+
+bool InternalFormat::operator==(const InternalFormat &other) const
+{
+    // We assume all internal formats are unique if they have the same internal format and type
+    return internalFormat == other.internalFormat && type == other.type;
+}
+
+bool InternalFormat::operator!=(const InternalFormat &other) const
+{
+    return !(*this == other);
+}
+
+void InsertFormatInfo(InternalFormatInfoMap *map, const InternalFormat &formatInfo)
+{
+    ASSERT(!formatInfo.sized || (*map).count(formatInfo.internalFormat) == 0);
+    ASSERT((*map)[formatInfo.internalFormat].count(formatInfo.type) == 0);
+    (*map)[formatInfo.internalFormat][formatInfo.type] = formatInfo;
+}
+
+// YuvFormatInfo implementation
+YuvFormatInfo::YuvFormatInfo(GLenum internalFormat, const Extents &yPlaneExtent)
+{
+    ASSERT(gl::IsYuvFormat(internalFormat));
+    ASSERT((gl::GetPlaneCount(internalFormat) > 0) && (gl::GetPlaneCount(internalFormat) <= 3));
+
+    glInternalFormat = internalFormat;
+    planeCount       = gl::GetPlaneCount(internalFormat);
+
+    // Chroma planes of a YUV format can be subsampled
+    int horizontalSubsampleFactor = 0;
+    int verticalSubsampleFactor   = 0;
+    gl::GetSubSampleFactor(internalFormat, &horizontalSubsampleFactor, &verticalSubsampleFactor);
+
+    // Compute plane Bpp
+    planeBpp[0] = gl::GetYPlaneBpp(internalFormat);
+    planeBpp[1] = gl::GetChromaPlaneBpp(internalFormat);
+    planeBpp[2] = (planeCount > 2) ? planeBpp[1] : 0;
+
+    // Compute plane extent
+    planeExtent[0] = yPlaneExtent;
+    planeExtent[1] = {(yPlaneExtent.width / horizontalSubsampleFactor),
+                      (yPlaneExtent.height / verticalSubsampleFactor), yPlaneExtent.depth};
+    planeExtent[2] = (planeCount > 2) ? planeExtent[1] : Extents();
+
+    // Compute plane pitch
+    planePitch[0] = planeExtent[0].width * planeBpp[0];
+    planePitch[1] = planeExtent[1].width * planeBpp[1];
+    planePitch[2] = planeExtent[2].width * planeBpp[2];
+
+    // Compute plane size
+    planeSize[0] = planePitch[0] * planeExtent[0].height;
+    planeSize[1] = planePitch[1] * planeExtent[1].height;
+    planeSize[2] = planePitch[2] * planeExtent[2].height;
+
+    // Compute plane offset
+    planeOffset[0] = 0;
+    planeOffset[1] = planeSize[0];
+    planeOffset[2] = planeSize[0] + planeSize[1];
+}
+
+// YUV format related helpers
+bool IsYuvFormat(GLenum format)
+{
+    switch (format)
+    {
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+        case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+        case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+            return true;
+        default:
+            return false;
+    }
+}
+
+uint32_t GetPlaneCount(GLenum format)
+{
+    switch (format)
+    {
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+        case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+            return 2;
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+        case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+            return 3;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+uint32_t GetYPlaneBpp(GLenum format)
+{
+    switch (format)
+    {
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+            return 1;
+        case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+        case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+            return 2;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+uint32_t GetChromaPlaneBpp(GLenum format)
+{
+    // 2 plane 420 YUV formats have CbCr channels interleaved.
+    // 3 plane 420 YUV formats have separate Cb and Cr planes.
+    switch (format)
+    {
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+            return 1;
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+        case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+            return 2;
+        case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+            return 4;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+void GetSubSampleFactor(GLenum format, int *horizontalSubsampleFactor, int *verticalSubsampleFactor)
+{
+    ASSERT(horizontalSubsampleFactor && verticalSubsampleFactor);
+
+    switch (format)
+    {
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+        case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+        case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+        case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+            *horizontalSubsampleFactor = 2;
+            *verticalSubsampleFactor   = 2;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+struct FormatBits
+{
+    constexpr GLuint pixelBytes() const
+    {
+        return (red + green + blue + alpha + shared + unused) / 8;
+    }
+    constexpr GLuint componentCount() const
+    {
+        return ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) +
+               ((alpha > 0) ? 1 : 0);
+    }
+    constexpr bool valid() const
+    {
+        return ((red + green + blue + alpha + shared + unused) % 8) == 0;
+    }
+
+    GLuint red;
+    GLuint green;
+    GLuint blue;
+    GLuint alpha;
+    GLuint unused;
+    GLuint shared;
+};
+
+template <GLuint red, GLuint green, GLuint blue, GLuint alpha, GLuint unused, GLuint shared>
+constexpr FormatBits FB()
+{
+    constexpr FormatBits formatBits = {red, green, blue, alpha, unused, shared};
+    static_assert(formatBits.valid(), "Invalid FormatBits");
+    return formatBits;
+}
+
+void AddRGBAXFormat(InternalFormatInfoMap *map,
+                    GLenum internalFormat,
+                    bool sized,
+                    const FormatBits &formatBits,
+                    GLenum format,
+                    GLenum type,
+                    GLenum componentType,
+                    bool srgb,
+                    InternalFormat::SupportCheckFunction textureSupport,
+                    InternalFormat::SupportCheckFunction filterSupport,
+                    InternalFormat::SupportCheckFunction textureAttachmentSupport,
+                    InternalFormat::SupportCheckFunction renderbufferSupport,
+                    InternalFormat::SupportCheckFunction blendSupport)
+{
+    ASSERT(formatBits.valid());
+
+    InternalFormat formatInfo;
+    formatInfo.internalFormat = internalFormat;
+    formatInfo.sized          = sized;
+    formatInfo.sizedInternalFormat =
+        sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
+    formatInfo.redBits                  = formatBits.red;
+    formatInfo.greenBits                = formatBits.green;
+    formatInfo.blueBits                 = formatBits.blue;
+    formatInfo.alphaBits                = formatBits.alpha;
+    formatInfo.sharedBits               = formatBits.shared;
+    formatInfo.pixelBytes               = formatBits.pixelBytes();
+    formatInfo.componentCount           = formatBits.componentCount();
+    formatInfo.format                   = format;
+    formatInfo.type                     = type;
+    formatInfo.componentType            = componentType;
+    formatInfo.colorEncoding            = (srgb ? GL_SRGB : GL_LINEAR);
+    formatInfo.textureSupport           = textureSupport;
+    formatInfo.filterSupport            = filterSupport;
+    formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+    formatInfo.renderbufferSupport      = renderbufferSupport;
+    formatInfo.blendSupport             = blendSupport;
+
+    InsertFormatInfo(map, formatInfo);
+}
+
+void AddRGBAFormat(InternalFormatInfoMap *map,
+                   GLenum internalFormat,
+                   bool sized,
+                   GLuint red,
+                   GLuint green,
+                   GLuint blue,
+                   GLuint alpha,
+                   GLuint shared,
+                   GLenum format,
+                   GLenum type,
+                   GLenum componentType,
+                   bool srgb,
+                   InternalFormat::SupportCheckFunction textureSupport,
+                   InternalFormat::SupportCheckFunction filterSupport,
+                   InternalFormat::SupportCheckFunction textureAttachmentSupport,
+                   InternalFormat::SupportCheckFunction renderbufferSupport,
+                   InternalFormat::SupportCheckFunction blendSupport)
+{
+    return AddRGBAXFormat(map, internalFormat, sized, {red, green, blue, alpha, 0, shared}, format,
+                          type, componentType, srgb, textureSupport, filterSupport,
+                          textureAttachmentSupport, renderbufferSupport, blendSupport);
+}
+
+static void AddLUMAFormat(InternalFormatInfoMap *map,
+                          GLenum internalFormat,
+                          bool sized,
+                          GLuint luminance,
+                          GLuint alpha,
+                          GLenum format,
+                          GLenum type,
+                          GLenum componentType,
+                          InternalFormat::SupportCheckFunction textureSupport,
+                          InternalFormat::SupportCheckFunction filterSupport,
+                          InternalFormat::SupportCheckFunction textureAttachmentSupport,
+                          InternalFormat::SupportCheckFunction renderbufferSupport,
+                          InternalFormat::SupportCheckFunction blendSupport)
+{
+    InternalFormat formatInfo;
+    formatInfo.internalFormat = internalFormat;
+    formatInfo.sized          = sized;
+    formatInfo.sizedInternalFormat =
+        sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
+    formatInfo.luminanceBits            = luminance;
+    formatInfo.alphaBits                = alpha;
+    formatInfo.pixelBytes               = (luminance + alpha) / 8;
+    formatInfo.componentCount           = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+    formatInfo.format                   = format;
+    formatInfo.type                     = type;
+    formatInfo.componentType            = componentType;
+    formatInfo.colorEncoding            = GL_LINEAR;
+    formatInfo.textureSupport           = textureSupport;
+    formatInfo.filterSupport            = filterSupport;
+    formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+    formatInfo.renderbufferSupport      = renderbufferSupport;
+    formatInfo.blendSupport             = blendSupport;
+
+    InsertFormatInfo(map, formatInfo);
+}
+
+void AddDepthStencilFormat(InternalFormatInfoMap *map,
+                           GLenum internalFormat,
+                           bool sized,
+                           GLuint depthBits,
+                           GLuint stencilBits,
+                           GLuint unusedBits,
+                           GLenum format,
+                           GLenum type,
+                           GLenum componentType,
+                           InternalFormat::SupportCheckFunction textureSupport,
+                           InternalFormat::SupportCheckFunction filterSupport,
+                           InternalFormat::SupportCheckFunction textureAttachmentSupport,
+                           InternalFormat::SupportCheckFunction renderbufferSupport,
+                           InternalFormat::SupportCheckFunction blendSupport)
+{
+    InternalFormat formatInfo;
+    formatInfo.internalFormat = internalFormat;
+    formatInfo.sized          = sized;
+    formatInfo.sizedInternalFormat =
+        sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
+    formatInfo.depthBits                = depthBits;
+    formatInfo.stencilBits              = stencilBits;
+    formatInfo.pixelBytes               = (depthBits + stencilBits + unusedBits) / 8;
+    formatInfo.componentCount           = ((depthBits > 0) ? 1 : 0) + ((stencilBits > 0) ? 1 : 0);
+    formatInfo.format                   = format;
+    formatInfo.type                     = type;
+    formatInfo.componentType            = componentType;
+    formatInfo.colorEncoding            = GL_LINEAR;
+    formatInfo.textureSupport           = textureSupport;
+    formatInfo.filterSupport            = filterSupport;
+    formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+    formatInfo.renderbufferSupport      = renderbufferSupport;
+    formatInfo.blendSupport             = blendSupport;
+
+    InsertFormatInfo(map, formatInfo);
+}
+
+void AddCompressedFormat(InternalFormatInfoMap *map,
+                         GLenum internalFormat,
+                         GLuint compressedBlockWidth,
+                         GLuint compressedBlockHeight,
+                         GLuint compressedBlockDepth,
+                         GLuint compressedBlockSize,
+                         GLuint componentCount,
+                         bool srgb,
+                         InternalFormat::SupportCheckFunction textureSupport,
+                         InternalFormat::SupportCheckFunction filterSupport,
+                         InternalFormat::SupportCheckFunction textureAttachmentSupport,
+                         InternalFormat::SupportCheckFunction renderbufferSupport,
+                         InternalFormat::SupportCheckFunction blendSupport)
+{
+    InternalFormat formatInfo;
+    formatInfo.internalFormat           = internalFormat;
+    formatInfo.sized                    = true;
+    formatInfo.sizedInternalFormat      = internalFormat;
+    formatInfo.compressedBlockWidth     = compressedBlockWidth;
+    formatInfo.compressedBlockHeight    = compressedBlockHeight;
+    formatInfo.compressedBlockDepth     = compressedBlockDepth;
+    formatInfo.pixelBytes               = compressedBlockSize / 8;
+    formatInfo.componentCount           = componentCount;
+    formatInfo.format                   = internalFormat;
+    formatInfo.type                     = GL_UNSIGNED_BYTE;
+    formatInfo.componentType            = GL_UNSIGNED_NORMALIZED;
+    formatInfo.colorEncoding            = (srgb ? GL_SRGB : GL_LINEAR);
+    formatInfo.compressed               = true;
+    formatInfo.textureSupport           = textureSupport;
+    formatInfo.filterSupport            = filterSupport;
+    formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+    formatInfo.renderbufferSupport      = renderbufferSupport;
+    formatInfo.blendSupport             = blendSupport;
+
+    InsertFormatInfo(map, formatInfo);
+}
+
+void AddPalettedFormat(InternalFormatInfoMap *map,
+                       GLenum internalFormat,
+                       GLuint paletteBits,
+                       GLuint pixelBytes,
+                       GLenum format,
+                       GLuint componentCount,
+                       InternalFormat::SupportCheckFunction textureSupport,
+                       InternalFormat::SupportCheckFunction filterSupport,
+                       InternalFormat::SupportCheckFunction textureAttachmentSupport,
+                       InternalFormat::SupportCheckFunction renderbufferSupport,
+                       InternalFormat::SupportCheckFunction blendSupport)
+{
+    InternalFormat formatInfo;
+    formatInfo.internalFormat           = internalFormat;
+    formatInfo.sized                    = true;
+    formatInfo.sizedInternalFormat      = internalFormat;
+    formatInfo.paletteBits              = paletteBits;
+    formatInfo.pixelBytes               = pixelBytes;
+    formatInfo.componentCount           = componentCount;
+    formatInfo.format                   = format;
+    formatInfo.type                     = GL_UNSIGNED_BYTE;
+    formatInfo.componentType            = GL_UNSIGNED_NORMALIZED;
+    formatInfo.colorEncoding            = GL_LINEAR;
+    formatInfo.paletted                 = true;
+    formatInfo.textureSupport           = textureSupport;
+    formatInfo.filterSupport            = filterSupport;
+    formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+    formatInfo.renderbufferSupport      = renderbufferSupport;
+    formatInfo.blendSupport             = blendSupport;
+
+    InsertFormatInfo(map, formatInfo);
+}
+
+void AddYUVFormat(InternalFormatInfoMap *map,
+                  GLenum internalFormat,
+                  bool sized,
+                  GLuint cr,
+                  GLuint y,
+                  GLuint cb,
+                  GLuint alpha,
+                  GLuint shared,
+                  GLenum format,
+                  GLenum type,
+                  GLenum componentType,
+                  bool srgb,
+                  InternalFormat::SupportCheckFunction textureSupport,
+                  InternalFormat::SupportCheckFunction filterSupport,
+                  InternalFormat::SupportCheckFunction textureAttachmentSupport,
+                  InternalFormat::SupportCheckFunction renderbufferSupport,
+                  InternalFormat::SupportCheckFunction blendSupport)
+{
+    ASSERT(sized);
+
+    InternalFormat formatInfo;
+    formatInfo.internalFormat      = internalFormat;
+    formatInfo.sized               = sized;
+    formatInfo.sizedInternalFormat = internalFormat;
+    formatInfo.redBits             = cr;
+    formatInfo.greenBits           = y;
+    formatInfo.blueBits            = cb;
+    formatInfo.alphaBits           = alpha;
+    formatInfo.sharedBits          = shared;
+    formatInfo.pixelBytes          = (cr + y + cb + alpha + shared) / 8;
+    formatInfo.componentCount =
+        ((cr > 0) ? 1 : 0) + ((y > 0) ? 1 : 0) + ((cb > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+    formatInfo.format                   = format;
+    formatInfo.type                     = type;
+    formatInfo.componentType            = componentType;
+    formatInfo.colorEncoding            = (srgb ? GL_SRGB : GL_LINEAR);
+    formatInfo.textureSupport           = textureSupport;
+    formatInfo.filterSupport            = filterSupport;
+    formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+    formatInfo.renderbufferSupport      = renderbufferSupport;
+    formatInfo.blendSupport             = blendSupport;
+
+    InsertFormatInfo(map, formatInfo);
+}
+
+// Notes:
+// 1. "Texture supported" includes all the means by which texture can be created, however,
+//    GL_EXT_texture_storage in ES2 is a special case, when only glTexStorage* is allowed.
+//    The assumption is that ES2 validation will not check textureSupport for sized formats.
+//
+// 2. Sized half float types are a combination of GL_HALF_FLOAT and GL_HALF_FLOAT_OES support,
+//    due to a limitation that only one type for sized formats is allowed.
+//
+// TODO(ynovikov): http://anglebug.com/2846 Verify support fields of BGRA, depth, stencil
+// and compressed formats. Perform texturable check as part of filterable and attachment checks.
+static InternalFormatInfoMap BuildInternalFormatInfoMap()
+{
+    InternalFormatInfoMap map;
+
+    // From ES 3.0.1 spec, table 3.12
+    map[GL_NONE][GL_NONE] = InternalFormat();
+
+    // clang-format off
+
+    //                 | Internal format     |sized| R | G | B | A |S | Format         | Type                             | Component type        | SRGB | Texture supported                                | Filterable     | Texture attachment                               | Renderbuffer                                   | Blend
+    AddRGBAFormat(&map, GL_R8,                true,  8,  0,  0,  0, 0, GL_RED,          GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, false, SizedRGSupport,                                       AlwaysSupported, SizedRGSupport,                                          RequireESOrExt<3, 0, &Extensions::textureRgEXT>, RequireESOrExt<3, 0, &Extensions::textureRgEXT>);
+    AddRGBAFormat(&map, GL_R8_SNORM,          true,  8,  0,  0,  0, 0, GL_RED,          GL_BYTE,                           GL_SIGNED_NORMALIZED,   false, RequireES<3, 0>,                                      AlwaysSupported, NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RG8,               true,  8,  8,  0,  0, 0, GL_RG,           GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, false, SizedRGSupport,                                       AlwaysSupported, SizedRGSupport,                                          RequireESOrExt<3, 0, &Extensions::textureRgEXT>, RequireESOrExt<3, 0, &Extensions::textureRgEXT>);
+    AddRGBAFormat(&map, GL_RG8_SNORM,         true,  8,  8,  0,  0, 0, GL_RG,           GL_BYTE,                           GL_SIGNED_NORMALIZED,   false, RequireES<3, 0>,                                      AlwaysSupported, NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB8,              true,  8,  8,  8,  0, 0, GL_RGB,          GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>,    RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>);
+    AddRGBAFormat(&map, GL_RGB8_SNORM,        true,  8,  8,  8,  0, 0, GL_RGB,          GL_BYTE,                           GL_SIGNED_NORMALIZED,   false, RequireES<3, 0>,                                      AlwaysSupported, NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB565,            true,  5,  6,  5,  0, 0, GL_RGB,          GL_UNSIGNED_SHORT_5_6_5,           GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireES<2, 0>,                                    RequireES<2, 0>);
+    AddRGBAFormat(&map, GL_RGBA4,             true,  4,  4,  4,  4, 0, GL_RGBA,         GL_UNSIGNED_SHORT_4_4_4_4,         GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireES<2, 0>,                                    RequireES<2, 0>);
+    AddRGBAFormat(&map, GL_RGB5_A1,           true,  5,  5,  5,  1, 0, GL_RGBA,         GL_UNSIGNED_SHORT_5_5_5_1,         GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireES<2, 0>,                                    RequireES<2, 0>);
+    AddRGBAFormat(&map, GL_RGBA8,             true,  8,  8,  8,  8, 0, GL_RGBA,         GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>,    RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>);
+    AddRGBAFormat(&map, GL_RGBA8_SNORM,       true,  8,  8,  8,  8, 0, GL_RGBA,         GL_BYTE,                           GL_SIGNED_NORMALIZED,   false, RequireES<3, 0>,                                      AlwaysSupported, NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB10_A2UI,        true, 10, 10, 10,  2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV,    GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_SRGB8,             true,  8,  8,  8,  0, 0, GL_RGB,          GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, true,  RequireES<3, 0>,                                      AlwaysSupported, NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_SRGB8_ALPHA8,      true,  8,  8,  8,  8, 0, GL_RGBA,         GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, true,  RequireESOrExt<3, 0, &Extensions::sRGBEXT>,           AlwaysSupported, RequireES<3, 0>,                                         RequireESOrExt<3, 0, &Extensions::sRGBEXT>,      RequireESOrExt<3, 0, &Extensions::sRGBEXT>);
+    AddRGBAFormat(&map, GL_R11F_G11F_B10F,    true, 11, 11, 10,  0, 0, GL_RGB,          GL_UNSIGNED_INT_10F_11F_11F_REV,   GL_FLOAT,               false, RequireES<3, 0>,                                      AlwaysSupported, RequireExt<&Extensions::colorBufferFloatEXT>,            RequireExt<&Extensions::colorBufferFloatEXT>,    RequireExt<&Extensions::colorBufferFloatEXT>);
+    AddRGBAFormat(&map, GL_RGB9_E5,           true,  9,  9,  9,  0, 5, GL_RGB,          GL_UNSIGNED_INT_5_9_9_9_REV,       GL_FLOAT,               false, RequireES<3, 0>,                                      AlwaysSupported, NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_R8I,               true,  8,  0,  0,  0, 0, GL_RED_INTEGER,  GL_BYTE,                           GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_R8UI,              true,  8,  0,  0,  0, 0, GL_RED_INTEGER,  GL_UNSIGNED_BYTE,                  GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_R16I,              true, 16,  0,  0,  0, 0, GL_RED_INTEGER,  GL_SHORT,                          GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_R16UI,             true, 16,  0,  0,  0, 0, GL_RED_INTEGER,  GL_UNSIGNED_SHORT,                 GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_R32I,              true, 32,  0,  0,  0, 0, GL_RED_INTEGER,  GL_INT,                            GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_R32UI,             true, 32,  0,  0,  0, 0, GL_RED_INTEGER,  GL_UNSIGNED_INT,                   GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RG8I,              true,  8,  8,  0,  0, 0, GL_RG_INTEGER,   GL_BYTE,                           GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RG8UI,             true,  8,  8,  0,  0, 0, GL_RG_INTEGER,   GL_UNSIGNED_BYTE,                  GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RG16I,             true, 16, 16,  0,  0, 0, GL_RG_INTEGER,   GL_SHORT,                          GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RG16UI,            true, 16, 16,  0,  0, 0, GL_RG_INTEGER,   GL_UNSIGNED_SHORT,                 GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RG32I,             true, 32, 32,  0,  0, 0, GL_RG_INTEGER,   GL_INT,                            GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RG32UI,            true, 32, 32,  0,  0, 0, GL_RG_INTEGER,   GL_UNSIGNED_INT,                   GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RGB8I,             true,  8,  8,  8,  0, 0, GL_RGB_INTEGER,  GL_BYTE,                           GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB8UI,            true,  8,  8,  8,  0, 0, GL_RGB_INTEGER,  GL_UNSIGNED_BYTE,                  GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB16I,            true, 16, 16, 16,  0, 0, GL_RGB_INTEGER,  GL_SHORT,                          GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB16UI,           true, 16, 16, 16,  0, 0, GL_RGB_INTEGER,  GL_UNSIGNED_SHORT,                 GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB32I,            true, 32, 32, 32,  0, 0, GL_RGB_INTEGER,  GL_INT,                            GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGB32UI,           true, 32, 32, 32,  0, 0, GL_RGB_INTEGER,  GL_UNSIGNED_INT,                   GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  NeverSupported,                                          NeverSupported,                                  NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA8I,            true,  8,  8,  8,  8, 0, GL_RGBA_INTEGER, GL_BYTE,                           GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA8UI,           true,  8,  8,  8,  8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE,                  GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA16I,           true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT,                          GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA16UI,          true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT,                 GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA32I,           true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT,                            GL_INT,                 false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA32UI,          true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT,                   GL_UNSIGNED_INT,        false, RequireES<3, 0>,                                      NeverSupported,  RequireES<3, 0>,                                         RequireES<3, 0>,                                 NeverSupported);
+
+    AddRGBAFormat(&map, GL_BGRA8_EXT,         true,  8,  8,  8,  8, 0, GL_BGRA_EXT,     GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>,    AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>,    RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>);
+    AddRGBAFormat(&map, GL_BGRA4_ANGLEX,      true,  4,  4,  4,  4, 0, GL_BGRA_EXT,     GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>,    AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>,    RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>);
+    AddRGBAFormat(&map, GL_BGR5_A1_ANGLEX,    true,  5,  5,  5,  1, 0, GL_BGRA_EXT,     GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>,    AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>,    RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>);
+
+    // Special format that is used for D3D textures that are used within ANGLE via the
+    // EGL_ANGLE_d3d_texture_client_buffer extension. We don't allow uploading texture images with
+    // this format, but textures in this format can be created from D3D textures, and filtering them
+    // and rendering to them is allowed.
+    AddRGBAFormat(&map, GL_BGRA8_SRGB_ANGLEX, true,  8,  8,  8,  8, 0, GL_BGRA_EXT,     GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, true,  NeverSupported,                                    AlwaysSupported, AlwaysSupported,                                   AlwaysSupported,                               AlwaysSupported);
+
+    // Special format which is not really supported, so always false for all supports.
+    AddRGBAFormat(&map, GL_BGR565_ANGLEX,     true,  5,  6,  5,  0, 0, GL_BGRA_EXT,     GL_UNSIGNED_SHORT_5_6_5,           GL_UNSIGNED_NORMALIZED, false, NeverSupported,                                    NeverSupported,  NeverSupported,                                    NeverSupported,                                NeverSupported);
+    AddRGBAFormat(&map, GL_BGR10_A2_ANGLEX,   true, 10, 10, 10,  2, 0, GL_BGRA_EXT,     GL_UNSIGNED_INT_2_10_10_10_REV,    GL_UNSIGNED_NORMALIZED, false, NeverSupported,                                    NeverSupported,  NeverSupported,                                    NeverSupported,                                NeverSupported);
+
+    // Special format to emulate RGB8 with RGBA8 within ANGLE.
+    AddRGBAFormat(&map, GL_RGBX8_ANGLE,      true,   8,  8,  8,  0, 0, GL_RGB,          GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, false, AlwaysSupported,                                   AlwaysSupported, AlwaysSupported,                                   AlwaysSupported,                               NeverSupported);
+
+    // Special format to emulate BGR8 with BGRA8 within ANGLE.
+    AddRGBAFormat(&map, GL_BGRX8_ANGLEX,      true,  8,  8,  8,  0, 0, GL_BGRA_EXT,     GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, false, NeverSupported,                                    AlwaysSupported,  NeverSupported,                                    NeverSupported,                                NeverSupported);
+
+    // This format is supported on ES 2.0 with two extensions, so keep it out-of-line to not widen the table above even more.
+    //                 | Internal format     |sized| R | G | B | A |S | Format         | Type                             | Component type        | SRGB | Texture supported                                                                            | Filterable     | Texture attachment                               | Renderbuffer                                   | Blend
+    AddRGBAFormat(&map, GL_RGB10_A2,          true, 10, 10, 10,  2, 0, GL_RGBA,         GL_UNSIGNED_INT_2_10_10_10_REV,    GL_UNSIGNED_NORMALIZED, false, RequireESOrExtAndExt<3, 0, &Extensions::textureStorageEXT, &Extensions::textureType2101010REVEXT>,  AlwaysSupported, RequireES<3, 0>,                                   RequireES<3, 0>,                                 RequireES<3, 0>);
+
+    // Floating point formats
+    //                 | Internal format |sized| R | G | B | A |S | Format | Type             | Component type | SRGB | Texture supported         | Filterable                                    | Texture attachment                          | Renderbuffer                            | Blend
+    // It's not possible to have two entries per sized format.
+    // E.g. for GL_RG16F, one with GL_HALF_FLOAT type and the other with GL_HALF_FLOAT_OES type.
+    // So, GL_HALF_FLOAT type formats conditions are merged with GL_HALF_FLOAT_OES type conditions.
+    AddRGBAFormat(&map, GL_R16F,          true, 16,  0,  0,  0, 0, GL_RED,  GL_HALF_FLOAT,     GL_FLOAT,        false, SizedHalfFloatRGSupport,    SizedHalfFloatFilterSupport,                    SizedHalfFloatRGTextureAttachmentSupport,     SizedHalfFloatRGRenderbufferSupport,       SizedHalfFloatRGRenderbufferSupport);
+    AddRGBAFormat(&map, GL_RG16F,         true, 16, 16,  0,  0, 0, GL_RG,   GL_HALF_FLOAT,     GL_FLOAT,        false, SizedHalfFloatRGSupport,    SizedHalfFloatFilterSupport,                    SizedHalfFloatRGTextureAttachmentSupport,     SizedHalfFloatRGRenderbufferSupport,       SizedHalfFloatRGRenderbufferSupport);
+    AddRGBAFormat(&map, GL_RGB16F,        true, 16, 16, 16,  0, 0, GL_RGB,  GL_HALF_FLOAT,     GL_FLOAT,        false, SizedHalfFloatSupport,      SizedHalfFloatFilterSupport,                    SizedHalfFloatRGBTextureAttachmentSupport,    SizedHalfFloatRGBRenderbufferSupport,      SizedHalfFloatRGBRenderbufferSupport);
+    AddRGBAFormat(&map, GL_RGBA16F,       true, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT,     GL_FLOAT,        false, SizedHalfFloatSupport,      SizedHalfFloatFilterSupport,                    SizedHalfFloatRGBATextureAttachmentSupport,   SizedHalfFloatRGBARenderbufferSupport,     SizedHalfFloatRGBARenderbufferSupport);
+    AddRGBAFormat(&map, GL_R32F,          true, 32,  0,  0,  0, 0, GL_RED,  GL_FLOAT,          GL_FLOAT,        false, SizedFloatRGSupport,        RequireExt<&Extensions::textureFloatLinearOES>, RequireExt<&Extensions::colorBufferFloatEXT>,    RequireExt<&Extensions::colorBufferFloatEXT>, Float32BlendableSupport);
+    AddRGBAFormat(&map, GL_RG32F,         true, 32, 32,  0,  0, 0, GL_RG,   GL_FLOAT,          GL_FLOAT,        false, SizedFloatRGSupport,        RequireExt<&Extensions::textureFloatLinearOES>, RequireExt<&Extensions::colorBufferFloatEXT>,    RequireExt<&Extensions::colorBufferFloatEXT>, Float32BlendableSupport);
+    AddRGBAFormat(&map, GL_RGB32F,        true, 32, 32, 32,  0, 0, GL_RGB,  GL_FLOAT,          GL_FLOAT,        false, SizedFloatRGBSupport,       RequireExt<&Extensions::textureFloatLinearOES>, RequireExt<&Extensions::colorBufferFloatRgbCHROMIUM>, NeverSupported,                            NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA32F,       true, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT,          GL_FLOAT,        false, SizedFloatRGBASupport,      RequireExt<&Extensions::textureFloatLinearOES>, SizedFloatRGBARenderableSupport,              SizedFloatRGBARenderableSupport,           Float32BlendableSupport);
+
+    // ANGLE Depth stencil formats
+    //                         | Internal format         |sized| D |S | X | Format            | Type                             | Component type        | Texture supported                                                                            | Filterable                                                                             | Texture attachment                                                                           | Renderbuffer                                                                                              | Blend
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT16,     true, 16, 0,  0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT,                 GL_UNSIGNED_NORMALIZED, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::depthTextureOES>,       RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireES<1, 0>,                                                                               RequireES<1, 0>,                                                                                             RequireES<1, 0>);
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT24,     true, 24, 0,  8, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT,                   GL_UNSIGNED_NORMALIZED, RequireES<3, 0>,                                                                               RequireESOrExt<3, 0, &Extensions::depthTextureANGLE>,                                    RequireES<3, 0>,                                                                               RequireESOrExt<3, 0, &Extensions::depth24OES>,                                                               RequireESOrExt<3, 0, &Extensions::depth24OES>);
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32F,    true, 32, 0,  0, GL_DEPTH_COMPONENT, GL_FLOAT,                          GL_FLOAT,               RequireES<3, 0>,                                                                               RequireESOrExt<3, 0, &Extensions::depthTextureANGLE>,                                    RequireES<3, 0>,                                                                               RequireES<3, 0>,                                                                                             RequireES<3, 0>);
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32_OES, true, 32, 0,  0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT,                   GL_UNSIGNED_NORMALIZED, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>,                 AlwaysSupported,                                                                         RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>,                 RequireExtOrExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES, &Extensions::depth32OES>, RequireExtOrExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES, &Extensions::depth32OES>);
+    AddDepthStencilFormat(&map, GL_DEPTH24_STENCIL8,      true, 24, 8,  0, GL_DEPTH_STENCIL,   GL_UNSIGNED_INT_24_8,              GL_UNSIGNED_NORMALIZED, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>, AlwaysSupported,                                                                         RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>,               RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>);
+    AddDepthStencilFormat(&map, GL_DEPTH32F_STENCIL8,     true, 32, 8, 24, GL_DEPTH_STENCIL,   GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT,               RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>,                                        AlwaysSupported,                                                                         RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>,                                        RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>,                                                      RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>);
+    // STENCIL_INDEX8 is special-cased, see around the bottom of the list.
+
+    // Luminance alpha formats
+    //                | Internal format           |sized| L | A | Format            | Type             | Component type        | Texture supported                                                           | Filterable                                     | Texture attachment | Renderbuffer | Blend
+    AddLUMAFormat(&map, GL_ALPHA8_EXT,             true,  0,  8, GL_ALPHA,           GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorageEXT>,                                      AlwaysSupported,                                 NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE8_EXT,         true,  8,  0, GL_LUMINANCE,       GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorageEXT>,                                      AlwaysSupported,                                 NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE8_ALPHA8_EXT,  true,  8,  8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorageEXT>,                                      AlwaysSupported,                                 NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_ALPHA16F_EXT,           true,  0, 16, GL_ALPHA,           GL_HALF_FLOAT_OES, GL_FLOAT,               RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE16F_EXT,       true, 16,  0, GL_LUMINANCE,       GL_HALF_FLOAT_OES, GL_FLOAT,               RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE_ALPHA16F_EXT, true, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT,               RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_ALPHA32F_EXT,           true,  0, 32, GL_ALPHA,           GL_FLOAT,          GL_FLOAT,               RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureFloatOES>,  RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE32F_EXT,       true, 32,  0, GL_LUMINANCE,       GL_FLOAT,          GL_FLOAT,               RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureFloatOES>,  RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE_ALPHA32F_EXT, true, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT,          GL_FLOAT,               RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureFloatOES>,  RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,      NeverSupported, NeverSupported);
+
+    // Compressed formats, From ES 3.0.1 spec, table 3.16
+    //                       | Internal format                             |W |H |D | BS |CC| SRGB | Texture supported                                                          | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_R11_EAC,                        4, 4, 1,  64, 1, false, ETC2EACSupport<&Extensions::compressedEACR11UnsignedTextureOES>,              AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_R11_EAC,                 4, 4, 1,  64, 1, false, ETC2EACSupport<&Extensions::compressedEACR11SignedTextureOES>,                AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RG11_EAC,                       4, 4, 1, 128, 2, false, ETC2EACSupport<&Extensions::compressedEACRG11UnsignedTextureOES>,             AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RG11_EAC,                4, 4, 1, 128, 2, false, ETC2EACSupport<&Extensions::compressedEACRG11SignedTextureOES>,               AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB8_ETC2,                      4, 4, 1,  64, 3, false, ETC2EACSupport<&Extensions::compressedETC2RGB8TextureOES>,                    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ETC2,                     4, 4, 1,  64, 3, true,  ETC2EACSupport<&Extensions::compressedETC2SRGB8TextureOES>,                   AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,  4, 4, 1,  64, 4, false, ETC2EACSupport<&Extensions::compressedETC2PunchthroughARGBA8TextureOES>,      AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 1,  64, 4, true,  ETC2EACSupport<&Extensions::compressedETC2PunchthroughASRGB8AlphaTextureOES>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA8_ETC2_EAC,                 4, 4, 1, 128, 4, false, ETC2EACSupport<&Extensions::compressedETC2RGBA8TextureOES>,                   AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,          4, 4, 1, 128, 4, true,  ETC2EACSupport<&Extensions::compressedETC2SRGB8Alpha8TextureOES>,             AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_EXT_texture_compression_dxt1
+    //                       | Internal format                   |W |H |D | BS |CC| SRGB | Texture supported                                    | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT,    4, 4, 1,  64, 3, false, RequireExt<&Extensions::textureCompressionDxt1EXT>,       AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,   4, 4, 1,  64, 4, false, RequireExt<&Extensions::textureCompressionDxt1EXT>,       AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_ANGLE_texture_compression_dxt3
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionDxt3ANGLE>,       AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_ANGLE_texture_compression_dxt5
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionDxt5ANGLE>,       AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_OES_compressed_ETC1_RGB8_texture
+    AddCompressedFormat(&map, GL_ETC1_RGB8_OES,                   4, 4, 1,  64, 3, false, RequireExt<&Extensions::compressedETC1RGB8TextureOES>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_EXT_texture_compression_s3tc_srgb
+    //                       | Internal format                       |W |H |D | BS |CC|SRGB | Texture supported                                 | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT,       4, 4, 1,  64, 3, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 4, 4, 1,  64, 4, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 4, 4, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 4, 4, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_KHR_texture_compression_astc_ldr and KHR_texture_compression_astc_hdr and GL_OES_texture_compression_astc
+    //                       | Internal format                          | W | H |D | BS |CC| SRGB | Texture supported                                    | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4_KHR,            4,  4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x4_KHR,            5,  4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5_KHR,            5,  5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x5_KHR,            6,  5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6_KHR,            6,  6, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x5_KHR,            8,  5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x6_KHR,            8,  6, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x8_KHR,            8,  8, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x5_KHR,          10,  5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x6_KHR,          10,  6, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x8_KHR,          10,  8, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x10_KHR,         10, 10, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x10_KHR,         12, 10, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x12_KHR,         12, 12, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR,    4,  4, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,    5,  4, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR,    5,  5, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,    6,  5, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR,    6,  6, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,    8,  5, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR,    8,  6, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,    8,  8, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR,  10,  5, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,  10,  6, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR,  10,  8, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 10, 10, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 12, 10, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 12, 12, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_3x3x3_OES,          3,  3, 3, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x3x3_OES,          4,  3, 3, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4x3_OES,          4,  4, 3, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4x4_OES,          4,  4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x4x4_OES,          5,  4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5x4_OES,          5,  5, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5x5_OES,          5,  5, 5, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x5x5_OES,          6,  5, 5, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6x5_OES,          6,  6, 5, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6x6_OES,          6,  6, 6, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES,  3,  3, 3, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES,  4,  3, 3, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES,  4,  4, 3, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES,  4,  4, 4, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES,  5,  4, 4, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES,  5,  5, 4, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES,  5,  5, 5, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES,  6,  5, 5, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES,  6,  6, 5, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES,  6,  6, 6, 128, 4, true,  RequireExt<&Extensions::textureCompressionAstcOES>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From EXT_texture_compression_rgtc
+    //                       | Internal format                        | W | H |D | BS |CC| SRGB | Texture supported                              | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_RED_RGTC1_EXT,              4,  4, 1,  64, 1, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT,       4,  4, 1,  64, 1, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RED_GREEN_RGTC2_EXT,        4,  4, 1, 128, 2, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT, 4,  4, 1, 128, 2, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From EXT_texture_compression_bptc
+    //                       | Internal format                         | W | H |D | BS |CC| SRGB | Texture supported                              | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_BPTC_UNORM_EXT,         4,  4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT,   4,  4, 1, 128, 4, true,  RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT,   4,  4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT, 4,  4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // Paletted formats
+    //                      | Internal format       |    | PS | Format | CC | Texture supported | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddPalettedFormat(&map, GL_PALETTE4_RGB8_OES,      4,   3, GL_RGB,    3, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE4_RGBA8_OES,     4,   4, GL_RGBA,   4, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE4_R5_G6_B5_OES,  4,   2, GL_RGB,    3, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE4_RGBA4_OES,     4,   2, GL_RGBA,   4, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE4_RGB5_A1_OES,   4,   2, GL_RGBA,   4, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE8_RGB8_OES,      8,   3, GL_RGB,    3, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE8_RGBA8_OES,     8,   4, GL_RGBA,   4, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE8_R5_G6_B5_OES,  8,   2, GL_RGB,    3, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE8_RGBA4_OES,     8,   2, GL_RGBA,   4, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+    AddPalettedFormat(&map, GL_PALETTE8_RGB5_A1_OES,   8,   2, GL_RGBA,   4, RequireES1,         AlwaysSupported, NeverSupported,     NeverSupported, NeverSupported);
+
+    // From GL_IMG_texture_compression_pvrtc
+    //                       | Internal format                       | W | H | D | BS |CC| SRGB | Texture supported                                 | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG,      4,  4,  1,  64,  3, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG,      8,  4,  1,  64,  3, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG,     4,  4,  1,  64,  4, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG,     8,  4,  1,  64,  4, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_EXT_pvrtc_sRGB
+    //                       | Internal format                             | W | H | D | BS |CC| SRGB | Texture supported                                                                               | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT,           8,  4,  1,  64,  3, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT,           4,  4,  1,  64,  3, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT,     8,  4,  1,  64,  4, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT,     4,  4,  1,  64,  4, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>,    AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // For STENCIL_INDEX8 we chose a normalized component type for the following reasons:
+    // - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8
+    // - All other stencil formats (all depth-stencil) are either float or normalized
+    // - It affects only validation of internalformat in RenderbufferStorageMultisample.
+    //                         | Internal format  |sized|D |S |X | Format          | Type            | Component type        | Texture supported                               | Filterable    | Texture attachment                              | Renderbuffer   | Blend
+    AddDepthStencilFormat(&map, GL_STENCIL_INDEX8, true, 0, 8, 0, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireESOrExt<1, 0, &Extensions::textureStencil8OES>, NeverSupported, RequireESOrExt<1, 0, &Extensions::textureStencil8OES>, RequireES<1, 0>, RequireES<1, 0>);
+
+    // From GL_ANGLE_lossy_etc_decode
+    //                       | Internal format                                                |W |H |D |BS |CC| SRGB | Texture supported                      | Filterable     | Texture attachment | Renderbuffer  | Blend
+    AddCompressedFormat(&map, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE,                                 4, 4, 1, 64, 3, false, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE,                      4, 4, 1, 64, 3, false, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE,                     4, 4, 1, 64, 3, true,  RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE,  4, 4, 1, 64, 3, false, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 1, 64, 3, true,  RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // From GL_EXT_texture_norm16
+    //                 | Internal format    |sized| R | G | B | A |S | Format | Type             | Component type        | SRGB | Texture supported                     | Filterable     | Texture attachment                    | Renderbuffer                          | Blend
+    AddRGBAFormat(&map, GL_R16_EXT,          true, 16,  0,  0,  0, 0, GL_RED,  GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>);
+    AddRGBAFormat(&map, GL_R16_SNORM_EXT,    true, 16,  0,  0,  0, 0, GL_RED,  GL_SHORT,          GL_SIGNED_NORMALIZED,   false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported,                         NeverSupported,                         NeverSupported);
+    AddRGBAFormat(&map, GL_RG16_EXT,         true, 16, 16,  0,  0, 0, GL_RG,   GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>);
+    AddRGBAFormat(&map, GL_RG16_SNORM_EXT,   true, 16, 16,  0,  0, 0, GL_RG,   GL_SHORT,          GL_SIGNED_NORMALIZED,   false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported,                         NeverSupported,                         NeverSupported);
+    AddRGBAFormat(&map, GL_RGB16_EXT,        true, 16, 16, 16,  0, 0, GL_RGB,  GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported,                         NeverSupported,                         NeverSupported);
+    AddRGBAFormat(&map, GL_RGB16_SNORM_EXT,  true, 16, 16, 16,  0, 0, GL_RGB,  GL_SHORT,          GL_SIGNED_NORMALIZED,   false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported,                         NeverSupported,                         NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA16_EXT,       true, 16, 16, 16, 16, 0, GL_RGBA, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>);
+    AddRGBAFormat(&map, GL_RGBA16_SNORM_EXT, true, 16, 16, 16, 16, 0, GL_RGBA, GL_SHORT,          GL_SIGNED_NORMALIZED,   false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported,                         NeverSupported,                         NeverSupported);
+
+    // From EXT_texture_sRGB_R8
+    //                 | Internal format    |sized| R | G | B | A |S | Format | Type             | Component type        | SRGB | Texture supported                     | Filterable     | Texture attachment                    | Renderbuffer                          | Blend
+    AddRGBAFormat(&map, GL_SR8_EXT,          true,  8,  0,  0,  0, 0, GL_RED,  GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, true,  RequireExt<&Extensions::textureSRGBR8EXT>,     AlwaysSupported, NeverSupported,                         NeverSupported,                         NeverSupported);
+
+    // From EXT_texture_sRGB_RG8
+    //                 | Internal format    |sized| R | G | B | A |S | Format | Type             | Component type        | SRGB | Texture supported                     | Filterable     | Texture attachment                    | Renderbuffer                          | Blend
+    AddRGBAFormat(&map, GL_SRG8_EXT,         true,  8,  8,  0,  0, 0, GL_RG,   GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, true,  RequireExt<&Extensions::textureSRGBRG8EXT>,    AlwaysSupported, NeverSupported,                         NeverSupported,                         NeverSupported);
+
+    // From GL_EXT_texture_type_2_10_10_10_REV
+    // GL_RGB10_UNORM_ANGLEX is never used directly but needs to be in the list of all sized internal formats so that the backends can determine support.
+    //                  | Internal format      |sized|    R | G | B | A |S |X   | Format           | Type                          | Component type        | SRGB | Texture supported                                  | Filterable     | Texture attachment                               | Renderbuffer  | Blend
+    AddRGBAXFormat(&map, GL_RGB10_UNORM_ANGLEX, true, FB<10, 10, 10,  0, 0, 2>(), GL_RGB,            GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, NeverSupported,                                     NeverSupported,  NeverSupported,                                    NeverSupported, NeverSupported);
+
+    // Unsized formats
+    //                  | Internal format  |sized |    R | G | B | A |S |X   | Format           | Type                          | Component type        | SRGB | Texture supported                                  | Filterable     | Texture attachment                               | Renderbuffer  | Blend
+    AddRGBAXFormat(&map, GL_RED,            false, FB< 8,  0,  0,  0, 0, 0>(), GL_RED,            GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRgEXT>,               AlwaysSupported, RequireExt<&Extensions::textureRgEXT>,             NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RED,            false, FB< 8,  0,  0,  0, 0, 0>(), GL_RED,            GL_BYTE,                        GL_SIGNED_NORMALIZED,   false, NeverSupported,                                      NeverSupported,  NeverSupported,                                    NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RED,            false, FB<16,  0,  0,  0, 0, 0>(), GL_RED,            GL_UNSIGNED_SHORT,              GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>,           AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>,         NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RG,             false, FB< 8,  8,  0,  0, 0, 0>(), GL_RG,             GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRgEXT>,               AlwaysSupported, RequireExt<&Extensions::textureRgEXT>,             NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RG,             false, FB< 8,  8,  0,  0, 0, 0>(), GL_RG,             GL_BYTE,                        GL_SIGNED_NORMALIZED,   false, NeverSupported,                                      NeverSupported,  NeverSupported,                                    NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RG,             false, FB<16, 16,  0,  0, 0, 0>(), GL_RG,             GL_UNSIGNED_SHORT,              GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>,           AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>,         NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGB,            false, FB< 8,  8,  8,  0, 0, 0>(), GL_RGB,            GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, false, AlwaysSupported,                                     AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>,                                NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGB,            false, FB< 5,  6,  5,  0, 0, 0>(), GL_RGB,            GL_UNSIGNED_SHORT_5_6_5,        GL_UNSIGNED_NORMALIZED, false, AlwaysSupported,                                     AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>,                                NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGB,            false, FB< 8,  8,  8,  0, 0, 0>(), GL_RGB,            GL_BYTE,                        GL_SIGNED_NORMALIZED,   false, NeverSupported,                                      NeverSupported,  NeverSupported,                                    NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGB,            false, FB<10, 10, 10,  0, 0, 2>(), GL_RGB,            GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureType2101010REVEXT>, AlwaysSupported, NeverSupported,                                    NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGBA,           false, FB< 4,  4,  4,  4, 0, 0>(), GL_RGBA,           GL_UNSIGNED_SHORT_4_4_4_4,      GL_UNSIGNED_NORMALIZED, false, AlwaysSupported,                                     AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>,                                NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGBA,           false, FB< 5,  5,  5,  1, 0, 0>(), GL_RGBA,           GL_UNSIGNED_SHORT_5_5_5_1,      GL_UNSIGNED_NORMALIZED, false, AlwaysSupported,                                     AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>,                                NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGBA,           false, FB< 8,  8,  8,  8, 0, 0>(), GL_RGBA,           GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, false, AlwaysSupported,                                     AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>,                                NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGBA,           false, FB<16, 16, 16, 16, 0, 0>(), GL_RGBA,           GL_UNSIGNED_SHORT,              GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>,           AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>,         NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGBA,           false, FB<10, 10, 10,  2, 0, 0>(), GL_RGBA,           GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureType2101010REVEXT>, AlwaysSupported, NeverSupported,                                    NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_RGBA,           false, FB< 8,  8,  8,  8, 0, 0>(), GL_RGBA,           GL_BYTE,                        GL_SIGNED_NORMALIZED,   false, NeverSupported,                                      NeverSupported,  NeverSupported,                                    NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_SRGB,           false, FB< 8,  8,  8,  0, 0, 0>(), GL_SRGB,           GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, true,  RequireExt<&Extensions::sRGBEXT>,                    AlwaysSupported, NeverSupported,                                    NeverSupported, NeverSupported);
+    AddRGBAXFormat(&map, GL_SRGB_ALPHA_EXT, false, FB< 8,  8,  8,  8, 0, 0>(), GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, true,  RequireExt<&Extensions::sRGBEXT>,                    AlwaysSupported, RequireExt<&Extensions::sRGBEXT>,                  NeverSupported, NeverSupported);
+#if (defined(ANGLE_PLATFORM_IOS) && !defined(ANGLE_PLATFORM_MACCATALYST)) || (defined(ANGLE_PLATFORM_MACCATALYST) && defined(ANGLE_CPU_ARM64))
+    angle::SystemInfo info;
+    if (angle::GetSystemInfo(&info))
+    {
+        if (info.needsEAGLOnMac)
+        {
+            // Using OpenGLES.framework.
+            AddRGBAFormat(&map, GL_BGRA_EXT,       false,  8,  8,  8,  8, 0, GL_BGRA_EXT,       GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>,                                  AlwaysSupported, RequireES<2, 0>,                                NeverSupported, NeverSupported);
+        }
+        else
+        {
+            // Using OpenGL.framework.
+            AddRGBAFormat(&map, GL_BGRA_EXT,       false,  8,  8,  8,  8, 0, GL_BGRA_EXT,       GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>,   AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>, NeverSupported, NeverSupported);
+        }
+    }
+#else
+    AddRGBAFormat(&map, GL_BGRA_EXT,       false,  8,  8,  8,  8, 0, GL_BGRA_EXT,       GL_UNSIGNED_BYTE,               GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>,   AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>, NeverSupported, NeverSupported);
+#endif
+
+    // Unsized integer formats
+    //                 |Internal format |sized | R | G | B | A |S | Format         | Type                          | Component type | SRGB | Texture supported | Filterable    | Texture attachment | Renderbuffer  | Blend
+    AddRGBAFormat(&map, GL_RED_INTEGER,  false,  8,  0,  0,  0, 0, GL_RED_INTEGER,  GL_BYTE,                        GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RED_INTEGER,  false,  8,  0,  0,  0, 0, GL_RED_INTEGER,  GL_UNSIGNED_BYTE,               GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RED_INTEGER,  false, 16,  0,  0,  0, 0, GL_RED_INTEGER,  GL_SHORT,                       GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RED_INTEGER,  false, 16,  0,  0,  0, 0, GL_RED_INTEGER,  GL_UNSIGNED_SHORT,              GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RED_INTEGER,  false, 32,  0,  0,  0, 0, GL_RED_INTEGER,  GL_INT,                         GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RED_INTEGER,  false, 32,  0,  0,  0, 0, GL_RED_INTEGER,  GL_UNSIGNED_INT,                GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG_INTEGER,   false,  8,  8,  0,  0, 0, GL_RG_INTEGER,   GL_BYTE,                        GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG_INTEGER,   false,  8,  8,  0,  0, 0, GL_RG_INTEGER,   GL_UNSIGNED_BYTE,               GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG_INTEGER,   false, 16, 16,  0,  0, 0, GL_RG_INTEGER,   GL_SHORT,                       GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG_INTEGER,   false, 16, 16,  0,  0, 0, GL_RG_INTEGER,   GL_UNSIGNED_SHORT,              GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG_INTEGER,   false, 32, 32,  0,  0, 0, GL_RG_INTEGER,   GL_INT,                         GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG_INTEGER,   false, 32, 32,  0,  0, 0, GL_RG_INTEGER,   GL_UNSIGNED_INT,                GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB_INTEGER,  false,  8,  8,  8,  0, 0, GL_RGB_INTEGER,  GL_BYTE,                        GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB_INTEGER,  false,  8,  8,  8,  0, 0, GL_RGB_INTEGER,  GL_UNSIGNED_BYTE,               GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB_INTEGER,  false, 16, 16, 16,  0, 0, GL_RGB_INTEGER,  GL_SHORT,                       GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB_INTEGER,  false, 16, 16, 16,  0, 0, GL_RGB_INTEGER,  GL_UNSIGNED_SHORT,              GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB_INTEGER,  false, 32, 32, 32,  0, 0, GL_RGB_INTEGER,  GL_INT,                         GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB_INTEGER,  false, 32, 32, 32,  0, 0, GL_RGB_INTEGER,  GL_UNSIGNED_INT,                GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA_INTEGER, false,  8,  8,  8,  8, 0, GL_RGBA_INTEGER, GL_BYTE,                        GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA_INTEGER, false,  8,  8,  8,  8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE,               GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT,                       GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT,              GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT,                         GL_INT,          false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT,                GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 10, 10, 10,  2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>,    NeverSupported, NeverSupported,      NeverSupported, NeverSupported);
+
+    // Unsized floating point formats
+    //                 |Internal format |sized | R | G | B | A |S | Format | Type                           | Comp    | SRGB | Texture supported                                                         | Filterable                                     | Texture attachment                             | Renderbuffer  | Blend
+    AddRGBAFormat(&map, GL_RED,          false, 16,  0,  0,  0, 0, GL_RED,  GL_HALF_FLOAT,                   GL_FLOAT, false, NeverSupported,                                                             NeverSupported,                                  NeverSupported,                                  NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG,           false, 16, 16,  0,  0, 0, GL_RG,   GL_HALF_FLOAT,                   GL_FLOAT, false, NeverSupported,                                                             NeverSupported,                                  NeverSupported,                                  NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB,          false, 16, 16, 16,  0, 0, GL_RGB,  GL_HALF_FLOAT,                   GL_FLOAT, false, NeverSupported,                                                             NeverSupported,                                  NeverSupported,                                  NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA,         false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT,                   GL_FLOAT, false, NeverSupported,                                                             NeverSupported,                                  NeverSupported,                                  NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RED,          false, 16,  0,  0,  0, 0, GL_RED,  GL_HALF_FLOAT_OES,               GL_FLOAT, false, RequireExtAndExt<&Extensions::textureHalfFloatOES, &Extensions::textureRgEXT>,    RequireExt<&Extensions::textureHalfFloatLinearOES>, AlwaysSupported,                                 NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG,           false, 16, 16,  0,  0, 0, GL_RG,   GL_HALF_FLOAT_OES,               GL_FLOAT, false, RequireExtAndExt<&Extensions::textureHalfFloatOES, &Extensions::textureRgEXT>,    RequireExt<&Extensions::textureHalfFloatLinearOES>, AlwaysSupported,                                 NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB,          false, 16, 16, 16,  0, 0, GL_RGB,  GL_HALF_FLOAT_OES,               GL_FLOAT, false, RequireExt<&Extensions::textureHalfFloatOES>,                                  RequireExt<&Extensions::textureHalfFloatLinearOES>, RequireExt<&Extensions::colorBufferHalfFloatEXT>,   NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA,         false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT_OES,               GL_FLOAT, false, RequireExt<&Extensions::textureHalfFloatOES>,                                  RequireExt<&Extensions::textureHalfFloatLinearOES>, RequireExt<&Extensions::colorBufferHalfFloatEXT>,   NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RED,          false, 32,  0,  0,  0, 0, GL_RED,  GL_FLOAT,                        GL_FLOAT, false, RequireExtAndExt<&Extensions::textureFloatOES, &Extensions::textureRgEXT>,     RequireExt<&Extensions::textureFloatLinearOES>,  AlwaysSupported,                                 NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RG,           false, 32, 32,  0,  0, 0, GL_RG,   GL_FLOAT,                        GL_FLOAT, false, RequireExtAndExt<&Extensions::textureFloatOES, &Extensions::textureRgEXT>,     RequireExt<&Extensions::textureFloatLinearOES>,  AlwaysSupported,                                 NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB,          false, 32, 32, 32,  0, 0, GL_RGB,  GL_FLOAT,                        GL_FLOAT, false, RequireExt<&Extensions::textureFloatOES>,                                   RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,                                  NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB,          false,  9,  9,  9,  0, 5, GL_RGB,  GL_UNSIGNED_INT_5_9_9_9_REV,     GL_FLOAT, false, NeverSupported,                                                             NeverSupported,                                  NeverSupported,                                  NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGB,          false, 11, 11, 10,  0, 0, GL_RGB,  GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, NeverSupported,                                                             NeverSupported,                                  NeverSupported,                                  NeverSupported, NeverSupported);
+    AddRGBAFormat(&map, GL_RGBA,         false, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT,                        GL_FLOAT, false, RequireExt<&Extensions::textureFloatOES>,                                   RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,                                  NeverSupported, NeverSupported);
+
+    // Unsized luminance alpha formats
+    //                 | Internal format   |sized | L | A | Format            | Type             | Component type        | Texture supported                        | Filterable                                     | Texture attachment | Renderbuffer  | Blend
+    AddLUMAFormat(&map, GL_ALPHA,           false,  0,  8, GL_ALPHA,           GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, AlwaysSupported,                           AlwaysSupported,                                 NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE,       false,  8,  0, GL_LUMINANCE,       GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, AlwaysSupported,                           AlwaysSupported,                                 NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false,  8,  8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE,  GL_UNSIGNED_NORMALIZED, AlwaysSupported,                           AlwaysSupported,                                 NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_ALPHA,           false,  0, 16, GL_ALPHA,           GL_HALF_FLOAT_OES, GL_FLOAT,               RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE,       false, 16,  0, GL_LUMINANCE,       GL_HALF_FLOAT_OES, GL_FLOAT,               RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT,               RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_ALPHA,           false,  0, 32, GL_ALPHA,           GL_FLOAT,          GL_FLOAT,               RequireExt<&Extensions::textureFloatOES>,  RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE,       false, 32,  0, GL_LUMINANCE,       GL_FLOAT,          GL_FLOAT,               RequireExt<&Extensions::textureFloatOES>,  RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,      NeverSupported, NeverSupported);
+    AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT,          GL_FLOAT,               RequireExt<&Extensions::textureFloatOES>,  RequireExt<&Extensions::textureFloatLinearOES>,  NeverSupported,      NeverSupported, NeverSupported);
+
+    // Unsized depth stencil formats
+    //                         | Internal format   |sized | D |S | X | Format            | Type                             | Component type        | Texture supported                                       | Filterable     | Texture attachment                                                                  | Renderbuffer                                                                       | Blend
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 16, 0,  0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT,                 GL_UNSIGNED_NORMALIZED, RequireES<1, 0>,                                          AlwaysSupported, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>,        RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>,        RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>);
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 24, 0,  8, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT,                   GL_UNSIGNED_NORMALIZED, RequireES<1, 0>,                                          AlwaysSupported, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>,        RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>,        RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>);
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 32, 0,  0, GL_DEPTH_COMPONENT, GL_FLOAT,                          GL_FLOAT,               RequireES<1, 0>,                                          AlwaysSupported, RequireES<1, 0>,                                                                      RequireES<1, 0>,                                                                      RequireES<1, 0>);
+    AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 24, 8,  0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT_24_8,              GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::packedDepthStencilOES>, AlwaysSupported, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>);
+    AddDepthStencilFormat(&map, GL_DEPTH_STENCIL,   false, 24, 8,  0, GL_DEPTH_STENCIL,   GL_UNSIGNED_INT_24_8,              GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::packedDepthStencilOES>, AlwaysSupported, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>);
+    AddDepthStencilFormat(&map, GL_DEPTH_STENCIL,   false, 32, 8, 24, GL_DEPTH_STENCIL,   GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT,               RequireESOrExt<3, 0, &Extensions::packedDepthStencilOES>, AlwaysSupported, RequireExt<&Extensions::packedDepthStencilOES>,                                       RequireExt<&Extensions::packedDepthStencilOES>,                                       RequireExt<&Extensions::packedDepthStencilOES>);
+    AddDepthStencilFormat(&map, GL_STENCIL,         false,  0, 8,  0, GL_STENCIL,         GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, RequireES<1, 0>,                                          NeverSupported , RequireES<1, 0>,                                                                      RequireES<1, 0>,                                                                      RequireES<1, 0>);
+    AddDepthStencilFormat(&map, GL_STENCIL_INDEX,   false,  0, 8,  0, GL_STENCIL_INDEX,   GL_UNSIGNED_BYTE,                  GL_UNSIGNED_NORMALIZED, RequireES<3, 1>,                                          NeverSupported , RequireES<3, 1>,                                                                      RequireES<3, 1>,                                                                      RequireES<3, 1>);
+
+    // Non-standard YUV formats
+    //                 | Internal format                             | sized | Cr | Y | Cb | A | S | Format                              | Type            | Comp                  | SRGB | Texture supported                                       | Filterable                                              | Texture attachment                                      | Renderbuffer  | Blend
+    AddYUVFormat(&map,  GL_G8_B8R8_2PLANE_420_UNORM_ANGLE,            true,   8,   8,  8,   0,  0,  GL_G8_B8R8_2PLANE_420_UNORM_ANGLE,    GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::yuvInternalFormatANGLE>,          RequireExt<&Extensions::yuvInternalFormatANGLE>,          RequireExt<&Extensions::yuvInternalFormatANGLE>,          NeverSupported, NeverSupported);
+    AddYUVFormat(&map,  GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE,           true,   8,   8,  8,   0,  0,  GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE,   GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::yuvInternalFormatANGLE>,          RequireExt<&Extensions::yuvInternalFormatANGLE>,          RequireExt<&Extensions::yuvInternalFormatANGLE>,          NeverSupported, NeverSupported);
+
+#if defined(ANGLE_PLATFORM_LINUX)
+    // From GL_OES_required_internalformat
+    // The |shared| bit shouldn't be 2. But given this hits assertion when bits
+    // are checked, it's fine to have this bit set as 2 as a workaround.
+    AddRGBAFormat(&map, GL_RGB10_EXT,        true, 10, 10, 10, 0, 2, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV,    GL_UNSIGNED_NORMALIZED,        false, RequireES<1, 0>,                                      NeverSupported,  RequireES<1, 0>,                                         RequireES<1, 0>,                                 NeverSupported);
+#endif
+    // clang-format on
+
+    return map;
+}
+
+const InternalFormatInfoMap &GetInternalFormatMap()
+{
+    static const angle::base::NoDestructor<InternalFormatInfoMap> formatMap(
+        BuildInternalFormatInfoMap());
+    return *formatMap;
+}
+
+int GetAndroidHardwareBufferFormatFromChannelSizes(const egl::AttributeMap &attribMap)
+{
+    // Retrieve channel size from attribute map. The default value should be 0, per spec.
+    GLuint redSize   = static_cast<GLuint>(attribMap.getAsInt(EGL_RED_SIZE, 0));
+    GLuint greenSize = static_cast<GLuint>(attribMap.getAsInt(EGL_GREEN_SIZE, 0));
+    GLuint blueSize  = static_cast<GLuint>(attribMap.getAsInt(EGL_BLUE_SIZE, 0));
+    GLuint alphaSize = static_cast<GLuint>(attribMap.getAsInt(EGL_ALPHA_SIZE, 0));
+
+    GLenum glInternalFormat = 0;
+    for (GLenum sizedInternalFormat : angle::android::kSupportedSizedInternalFormats)
+    {
+        const gl::InternalFormat &internalFormat = GetSizedInternalFormatInfo(sizedInternalFormat);
+        ASSERT(internalFormat.internalFormat != GL_NONE && internalFormat.sized);
+
+        if (internalFormat.isChannelSizeCompatible(redSize, greenSize, blueSize, alphaSize))
+        {
+            glInternalFormat = sizedInternalFormat;
+            break;
+        }
+    }
+
+    return (glInternalFormat != 0)
+               ? angle::android::GLInternalFormatToNativePixelFormat(glInternalFormat)
+               : 0;
+}
+
+GLenum GetConfigColorBufferFormat(const egl::Config *config)
+{
+    GLenum componentType = GL_NONE;
+    switch (config->colorComponentType)
+    {
+        case EGL_COLOR_COMPONENT_TYPE_FIXED_EXT:
+            componentType = GL_UNSIGNED_NORMALIZED;
+            break;
+        case EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT:
+            componentType = GL_FLOAT;
+            break;
+        default:
+            UNREACHABLE();
+            return GL_NONE;
+    }
+
+    GLenum colorEncoding = GL_LINEAR;
+
+    for (GLenum sizedInternalFormat : GetAllSizedInternalFormats())
+    {
+        const gl::InternalFormat &internalFormat = GetSizedInternalFormatInfo(sizedInternalFormat);
+
+        if (internalFormat.componentType == componentType &&
+            internalFormat.colorEncoding == colorEncoding &&
+            internalFormat.isChannelSizeCompatible(config->redSize, config->greenSize,
+                                                   config->blueSize, config->alphaSize))
+        {
+            return sizedInternalFormat;
+        }
+    }
+
+    // Only expect to get here if there is no color bits in the config
+    ASSERT(config->redSize == 0 && config->greenSize == 0 && config->blueSize == 0 &&
+           config->alphaSize == 0);
+    return GL_NONE;
+}
+
+GLenum GetConfigDepthStencilBufferFormat(const egl::Config *config)
+{
+    GLenum componentType = GL_UNSIGNED_NORMALIZED;
+
+    for (GLenum sizedInternalFormat : GetAllSizedInternalFormats())
+    {
+        const gl::InternalFormat &internalFormat = GetSizedInternalFormatInfo(sizedInternalFormat);
+
+        if (internalFormat.componentType == componentType &&
+            static_cast<EGLint>(internalFormat.depthBits) == config->depthSize &&
+            static_cast<EGLint>(internalFormat.stencilBits) == config->stencilSize)
+        {
+            return sizedInternalFormat;
+        }
+    }
+
+    // Only expect to get here if there is no depth or stencil bits in the config
+    ASSERT(config->depthSize == 0 && config->stencilSize == 0);
+    return GL_NONE;
+}
+
+static FormatSet BuildAllSizedInternalFormatSet()
+{
+    FormatSet result;
+
+    for (const auto &internalFormat : GetInternalFormatMap())
+    {
+        for (const auto &type : internalFormat.second)
+        {
+            if (type.second.sized)
+            {
+                // TODO(jmadill): Fix this hack.
+                if (internalFormat.first == GL_BGR565_ANGLEX)
+                    continue;
+
+                result.insert(internalFormat.first);
+            }
+        }
+    }
+
+    return result;
+}
+
+uint32_t GetPackedTypeInfo(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+        case GL_BYTE:
+        {
+            static constexpr uint32_t kPacked = PackTypeInfo(1, false);
+            return kPacked;
+        }
+        case GL_UNSIGNED_SHORT:
+        case GL_SHORT:
+        case GL_HALF_FLOAT:
+        case GL_HALF_FLOAT_OES:
+        {
+            static constexpr uint32_t kPacked = PackTypeInfo(2, false);
+            return kPacked;
+        }
+        case GL_UNSIGNED_INT:
+        case GL_INT:
+        case GL_FLOAT:
+        {
+            static constexpr uint32_t kPacked = PackTypeInfo(4, false);
+            return kPacked;
+        }
+        case GL_UNSIGNED_SHORT_5_6_5:
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+        case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+        case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+        {
+            static constexpr uint32_t kPacked = PackTypeInfo(2, true);
+            return kPacked;
+        }
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+        case GL_UNSIGNED_INT_24_8:
+        case GL_UNSIGNED_INT_10F_11F_11F_REV:
+        case GL_UNSIGNED_INT_5_9_9_9_REV:
+        {
+            ASSERT(GL_UNSIGNED_INT_24_8_OES == GL_UNSIGNED_INT_24_8);
+            static constexpr uint32_t kPacked = PackTypeInfo(4, true);
+            return kPacked;
+        }
+        case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+        {
+            static constexpr uint32_t kPacked = PackTypeInfo(8, true);
+            return kPacked;
+        }
+        default:
+        {
+            return 0;
+        }
+    }
+}
+
+const InternalFormat &GetSizedInternalFormatInfo(GLenum internalFormat)
+{
+    static const InternalFormat defaultInternalFormat;
+    const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+    auto iter                              = formatMap.find(internalFormat);
+
+    // Sized internal formats only have one type per entry
+    if (iter == formatMap.end() || iter->second.size() != 1)
+    {
+        return defaultInternalFormat;
+    }
+
+    const InternalFormat &internalFormatInfo = iter->second.begin()->second;
+    if (!internalFormatInfo.sized)
+    {
+        return defaultInternalFormat;
+    }
+
+    return internalFormatInfo;
+}
+
+const InternalFormat &GetInternalFormatInfo(GLenum internalFormat, GLenum type)
+{
+    static const InternalFormat defaultInternalFormat;
+    const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+
+    auto internalFormatIter = formatMap.find(internalFormat);
+    if (internalFormatIter == formatMap.end())
+    {
+        return defaultInternalFormat;
+    }
+
+    // If the internal format is sized, simply return it without the type check.
+    if (internalFormatIter->second.size() == 1 && internalFormatIter->second.begin()->second.sized)
+    {
+        return internalFormatIter->second.begin()->second;
+    }
+
+    auto typeIter = internalFormatIter->second.find(type);
+    if (typeIter == internalFormatIter->second.end())
+    {
+        return defaultInternalFormat;
+    }
+
+    return typeIter->second;
+}
+
+GLuint InternalFormat::computePixelBytes(GLenum formatType) const
+{
+    const auto &typeInfo = GetTypeInfo(formatType);
+    GLuint components    = typeInfo.specialInterpretation ? 1u : componentCount;
+    return components * typeInfo.bytes;
+}
+
+bool InternalFormat::computeBufferRowLength(uint32_t width, uint32_t *resultOut) const
+{
+    CheckedNumeric<GLuint> checkedWidth(width);
+
+    if (compressed)
+    {
+        angle::CheckedNumeric<uint32_t> checkedRowLength =
+            rx::CheckedRoundUp<uint32_t>(width, compressedBlockWidth);
+
+        return CheckedMathResult(checkedRowLength, resultOut);
+    }
+
+    return CheckedMathResult(checkedWidth, resultOut);
+}
+
+bool InternalFormat::computeBufferImageHeight(uint32_t height, uint32_t *resultOut) const
+{
+    CheckedNumeric<GLuint> checkedHeight(height);
+
+    if (compressed)
+    {
+        angle::CheckedNumeric<uint32_t> checkedImageHeight =
+            rx::CheckedRoundUp<uint32_t>(height, compressedBlockHeight);
+
+        return CheckedMathResult(checkedImageHeight, resultOut);
+    }
+
+    return CheckedMathResult(checkedHeight, resultOut);
+}
+
+bool InternalFormat::computePalettedImageRowPitch(GLsizei width, GLuint *resultOut) const
+{
+    ASSERT(paletted);
+    switch (paletteBits)
+    {
+        case 4:
+            *resultOut = (width + 1) / 2;
+            return true;
+        case 8:
+            *resultOut = width;
+            return true;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool InternalFormat::computeRowPitch(GLenum formatType,
+                                     GLsizei width,
+                                     GLint alignment,
+                                     GLint rowLength,
+                                     GLuint *resultOut) const
+{
+    if (paletted)
+    {
+        return computePalettedImageRowPitch(width, resultOut);
+    }
+
+    // Compressed images do not use pack/unpack parameters (rowLength).
+    if (compressed)
+    {
+        return computeCompressedImageSize(Extents(width, 1, 1), resultOut);
+    }
+
+    CheckedNumeric<GLuint> checkedWidth(rowLength > 0 ? rowLength : width);
+    CheckedNumeric<GLuint> checkedRowBytes = checkedWidth * computePixelBytes(formatType);
+
+    ASSERT(alignment > 0 && isPow2(alignment));
+    CheckedNumeric<GLuint> checkedAlignment(alignment);
+    auto aligned = rx::roundUp(checkedRowBytes, checkedAlignment);
+    return CheckedMathResult(aligned, resultOut);
+}
+
+bool InternalFormat::computeDepthPitch(GLsizei height,
+                                       GLint imageHeight,
+                                       GLuint rowPitch,
+                                       GLuint *resultOut) const
+{
+    // Compressed images do not use pack/unpack parameters (imageHeight).
+    CheckedNumeric<GLuint> pixelsHeight(!compressed && (imageHeight > 0)
+                                            ? static_cast<GLuint>(imageHeight)
+                                            : static_cast<GLuint>(height));
+
+    CheckedNumeric<GLuint> rowCount;
+    if (compressed)
+    {
+        CheckedNumeric<GLuint> checkedBlockHeight(compressedBlockHeight);
+        rowCount = (pixelsHeight + checkedBlockHeight - 1u) / checkedBlockHeight;
+    }
+    else
+    {
+        rowCount = pixelsHeight;
+    }
+
+    CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+
+    return CheckedMathResult(checkedRowPitch * rowCount, resultOut);
+}
+
+bool InternalFormat::computeDepthPitch(GLenum formatType,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLint alignment,
+                                       GLint rowLength,
+                                       GLint imageHeight,
+                                       GLuint *resultOut) const
+{
+    GLuint rowPitch = 0;
+    if (!computeRowPitch(formatType, width, alignment, rowLength, &rowPitch))
+    {
+        return false;
+    }
+    return computeDepthPitch(height, imageHeight, rowPitch, resultOut);
+}
+
+bool InternalFormat::computeCompressedImageSize(const Extents &size, GLuint *resultOut) const
+{
+    CheckedNumeric<GLuint> checkedWidth(size.width);
+    CheckedNumeric<GLuint> checkedHeight(size.height);
+    CheckedNumeric<GLuint> checkedDepth(size.depth);
+
+    if (paletted)
+    {
+        ASSERT(!compressed);
+
+        GLuint paletteSize  = 1 << paletteBits;
+        GLuint paletteBytes = paletteSize * pixelBytes;
+
+        GLuint rowPitch;
+        if (!computePalettedImageRowPitch(size.width, &rowPitch))
+        {
+            return false;
+        }
+
+        if (size.depth != 1)
+        {
+            return false;
+        }
+
+        CheckedNumeric<GLuint> checkedPaletteBytes(paletteBytes);
+        CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+
+        return CheckedMathResult(checkedPaletteBytes + checkedRowPitch * checkedHeight, resultOut);
+    }
+
+    CheckedNumeric<GLuint> checkedBlockWidth(compressedBlockWidth);
+    CheckedNumeric<GLuint> checkedBlockHeight(compressedBlockHeight);
+    GLuint minBlockWidth, minBlockHeight;
+    std::tie(minBlockWidth, minBlockHeight) = getCompressedImageMinBlocks();
+
+    ASSERT(compressed);
+    auto numBlocksWide = (checkedWidth + checkedBlockWidth - 1u) / checkedBlockWidth;
+    auto numBlocksHigh = (checkedHeight + checkedBlockHeight - 1u) / checkedBlockHeight;
+    if (numBlocksWide.IsValid() && numBlocksWide.ValueOrDie() < minBlockWidth)
+        numBlocksWide = minBlockWidth;
+    if (numBlocksHigh.IsValid() && numBlocksHigh.ValueOrDie() < minBlockHeight)
+        numBlocksHigh = minBlockHeight;
+    auto bytes = numBlocksWide * numBlocksHigh * pixelBytes * checkedDepth;
+    return CheckedMathResult(bytes, resultOut);
+}
+
+std::pair<GLuint, GLuint> InternalFormat::getCompressedImageMinBlocks() const
+{
+    GLuint minBlockWidth  = 0;
+    GLuint minBlockHeight = 0;
+
+    // Per the specification, a PVRTC block needs information from the 3 nearest blocks.
+    // GL_IMG_texture_compression_pvrtc specifies the minimum size requirement in pixels, but
+    // ANGLE's texture tables are written in terms of blocks. The 4BPP formats use 4x4 blocks, and
+    // the 2BPP formats, 8x4 blocks. Therefore, both kinds of formats require a minimum of 2x2
+    // blocks.
+    switch (internalFormat)
+    {
+        case GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
+        case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
+        case GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:
+        case GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
+        case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
+        case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
+            minBlockWidth  = 2;
+            minBlockHeight = 2;
+            break;
+
+        default:
+            break;
+    }
+
+    return std::make_pair(minBlockWidth, minBlockHeight);
+}
+
+bool InternalFormat::computeSkipBytes(GLenum formatType,
+                                      GLuint rowPitch,
+                                      GLuint depthPitch,
+                                      const PixelStoreStateBase &state,
+                                      bool is3D,
+                                      GLuint *resultOut) const
+{
+    CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+    CheckedNumeric<GLuint> checkedDepthPitch(depthPitch);
+    CheckedNumeric<GLuint> checkedSkipImages(static_cast<GLuint>(state.skipImages));
+    CheckedNumeric<GLuint> checkedSkipRows(static_cast<GLuint>(state.skipRows));
+    CheckedNumeric<GLuint> checkedSkipPixels(static_cast<GLuint>(state.skipPixels));
+    CheckedNumeric<GLuint> checkedPixelBytes(computePixelBytes(formatType));
+    auto checkedSkipImagesBytes = checkedSkipImages * checkedDepthPitch;
+    if (!is3D)
+    {
+        checkedSkipImagesBytes = 0;
+    }
+    auto skipBytes = checkedSkipImagesBytes + checkedSkipRows * checkedRowPitch +
+                     checkedSkipPixels * checkedPixelBytes;
+    return CheckedMathResult(skipBytes, resultOut);
+}
+
+bool InternalFormat::computePackUnpackEndByte(GLenum formatType,
+                                              const Extents &size,
+                                              const PixelStoreStateBase &state,
+                                              bool is3D,
+                                              GLuint *resultOut) const
+{
+    GLuint rowPitch = 0;
+    if (!computeRowPitch(formatType, size.width, state.alignment, state.rowLength, &rowPitch))
+    {
+        return false;
+    }
+
+    GLuint depthPitch = 0;
+    if (is3D && !computeDepthPitch(size.height, state.imageHeight, rowPitch, &depthPitch))
+    {
+        return false;
+    }
+
+    CheckedNumeric<GLuint> checkedCopyBytes(0);
+    if (compressed)
+    {
+        GLuint copyBytes = 0;
+        if (!computeCompressedImageSize(size, &copyBytes))
+        {
+            return false;
+        }
+        checkedCopyBytes = copyBytes;
+    }
+    else if (size.height != 0 && (!is3D || size.depth != 0))
+    {
+        CheckedNumeric<GLuint> bytes = computePixelBytes(formatType);
+        checkedCopyBytes += size.width * bytes;
+
+        CheckedNumeric<GLuint> heightMinusOne = size.height - 1;
+        checkedCopyBytes += heightMinusOne * rowPitch;
+
+        if (is3D)
+        {
+            CheckedNumeric<GLuint> depthMinusOne = size.depth - 1;
+            checkedCopyBytes += depthMinusOne * depthPitch;
+        }
+    }
+
+    GLuint skipBytes = 0;
+    if (!computeSkipBytes(formatType, rowPitch, depthPitch, state, is3D, &skipBytes))
+    {
+        return false;
+    }
+
+    CheckedNumeric<GLuint> endByte = checkedCopyBytes + CheckedNumeric<GLuint>(skipBytes);
+
+    return CheckedMathResult(endByte, resultOut);
+}
+
+GLenum GetUnsizedFormat(GLenum internalFormat)
+{
+    auto sizedFormatInfo = GetSizedInternalFormatInfo(internalFormat);
+    if (sizedFormatInfo.internalFormat != GL_NONE)
+    {
+        return sizedFormatInfo.format;
+    }
+
+    return internalFormat;
+}
+
+bool CompressedFormatRequiresWholeImage(GLenum internalFormat)
+{
+    // List of compressed texture format that require that the sub-image size is equal to texture's
+    // respective mip level's size
+    return IsPVRTC1Format(internalFormat);
+}
+
+void MaybeOverrideLuminance(GLenum &format, GLenum &type, GLenum actualFormat, GLenum actualType)
+{
+    gl::InternalFormat internalFormat = gl::GetInternalFormatInfo(format, type);
+    if (internalFormat.isLUMA())
+    {
+        // Ensure the format and type are compatible
+        ASSERT(internalFormat.pixelBytes ==
+               gl::GetInternalFormatInfo(actualFormat, actualType).pixelBytes);
+
+        // For Luminance formats, override with the internal format. Since this is not
+        // renderable, our pixel pack routines don't handle it correctly.
+        format = actualFormat;
+        type   = actualType;
+    }
+}
+
+const FormatSet &GetAllSizedInternalFormats()
+{
+    static angle::base::NoDestructor<FormatSet> formatSet(BuildAllSizedInternalFormatSet());
+    return *formatSet;
+}
+
+AttributeType GetAttributeType(GLenum enumValue)
+{
+    switch (enumValue)
+    {
+        case GL_FLOAT:
+            return ATTRIBUTE_FLOAT;
+        case GL_FLOAT_VEC2:
+            return ATTRIBUTE_VEC2;
+        case GL_FLOAT_VEC3:
+            return ATTRIBUTE_VEC3;
+        case GL_FLOAT_VEC4:
+            return ATTRIBUTE_VEC4;
+        case GL_INT:
+            return ATTRIBUTE_INT;
+        case GL_INT_VEC2:
+            return ATTRIBUTE_IVEC2;
+        case GL_INT_VEC3:
+            return ATTRIBUTE_IVEC3;
+        case GL_INT_VEC4:
+            return ATTRIBUTE_IVEC4;
+        case GL_UNSIGNED_INT:
+            return ATTRIBUTE_UINT;
+        case GL_UNSIGNED_INT_VEC2:
+            return ATTRIBUTE_UVEC2;
+        case GL_UNSIGNED_INT_VEC3:
+            return ATTRIBUTE_UVEC3;
+        case GL_UNSIGNED_INT_VEC4:
+            return ATTRIBUTE_UVEC4;
+        case GL_FLOAT_MAT2:
+            return ATTRIBUTE_MAT2;
+        case GL_FLOAT_MAT3:
+            return ATTRIBUTE_MAT3;
+        case GL_FLOAT_MAT4:
+            return ATTRIBUTE_MAT4;
+        case GL_FLOAT_MAT2x3:
+            return ATTRIBUTE_MAT2x3;
+        case GL_FLOAT_MAT2x4:
+            return ATTRIBUTE_MAT2x4;
+        case GL_FLOAT_MAT3x2:
+            return ATTRIBUTE_MAT3x2;
+        case GL_FLOAT_MAT3x4:
+            return ATTRIBUTE_MAT3x4;
+        case GL_FLOAT_MAT4x2:
+            return ATTRIBUTE_MAT4x2;
+        case GL_FLOAT_MAT4x3:
+            return ATTRIBUTE_MAT4x3;
+        default:
+            UNREACHABLE();
+            return ATTRIBUTE_FLOAT;
+    }
+}
+
+angle::FormatID GetVertexFormatID(VertexAttribType type,
+                                  GLboolean normalized,
+                                  GLuint components,
+                                  bool pureInteger)
+{
+    switch (type)
+    {
+        case VertexAttribType::Byte:
+            switch (components)
+            {
+                case 1:
+                    if (pureInteger)
+                        return angle::FormatID::R8_SINT;
+                    if (normalized)
+                        return angle::FormatID::R8_SNORM;
+                    return angle::FormatID::R8_SSCALED;
+                case 2:
+                    if (pureInteger)
+                        return angle::FormatID::R8G8_SINT;
+                    if (normalized)
+                        return angle::FormatID::R8G8_SNORM;
+                    return angle::FormatID::R8G8_SSCALED;
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::R8G8B8_SINT;
+                    if (normalized)
+                        return angle::FormatID::R8G8B8_SNORM;
+                    return angle::FormatID::R8G8B8_SSCALED;
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::R8G8B8A8_SINT;
+                    if (normalized)
+                        return angle::FormatID::R8G8B8A8_SNORM;
+                    return angle::FormatID::R8G8B8A8_SSCALED;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::UnsignedByte:
+            switch (components)
+            {
+                case 1:
+                    if (pureInteger)
+                        return angle::FormatID::R8_UINT;
+                    if (normalized)
+                        return angle::FormatID::R8_UNORM;
+                    return angle::FormatID::R8_USCALED;
+                case 2:
+                    if (pureInteger)
+                        return angle::FormatID::R8G8_UINT;
+                    if (normalized)
+                        return angle::FormatID::R8G8_UNORM;
+                    return angle::FormatID::R8G8_USCALED;
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::R8G8B8_UINT;
+                    if (normalized)
+                        return angle::FormatID::R8G8B8_UNORM;
+                    return angle::FormatID::R8G8B8_USCALED;
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::R8G8B8A8_UINT;
+                    if (normalized)
+                        return angle::FormatID::R8G8B8A8_UNORM;
+                    return angle::FormatID::R8G8B8A8_USCALED;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::Short:
+            switch (components)
+            {
+                case 1:
+                    if (pureInteger)
+                        return angle::FormatID::R16_SINT;
+                    if (normalized)
+                        return angle::FormatID::R16_SNORM;
+                    return angle::FormatID::R16_SSCALED;
+                case 2:
+                    if (pureInteger)
+                        return angle::FormatID::R16G16_SINT;
+                    if (normalized)
+                        return angle::FormatID::R16G16_SNORM;
+                    return angle::FormatID::R16G16_SSCALED;
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::R16G16B16_SINT;
+                    if (normalized)
+                        return angle::FormatID::R16G16B16_SNORM;
+                    return angle::FormatID::R16G16B16_SSCALED;
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::R16G16B16A16_SINT;
+                    if (normalized)
+                        return angle::FormatID::R16G16B16A16_SNORM;
+                    return angle::FormatID::R16G16B16A16_SSCALED;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::UnsignedShort:
+            switch (components)
+            {
+                case 1:
+                    if (pureInteger)
+                        return angle::FormatID::R16_UINT;
+                    if (normalized)
+                        return angle::FormatID::R16_UNORM;
+                    return angle::FormatID::R16_USCALED;
+                case 2:
+                    if (pureInteger)
+                        return angle::FormatID::R16G16_UINT;
+                    if (normalized)
+                        return angle::FormatID::R16G16_UNORM;
+                    return angle::FormatID::R16G16_USCALED;
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::R16G16B16_UINT;
+                    if (normalized)
+                        return angle::FormatID::R16G16B16_UNORM;
+                    return angle::FormatID::R16G16B16_USCALED;
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::R16G16B16A16_UINT;
+                    if (normalized)
+                        return angle::FormatID::R16G16B16A16_UNORM;
+                    return angle::FormatID::R16G16B16A16_USCALED;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::Int:
+            switch (components)
+            {
+                case 1:
+                    if (pureInteger)
+                        return angle::FormatID::R32_SINT;
+                    if (normalized)
+                        return angle::FormatID::R32_SNORM;
+                    return angle::FormatID::R32_SSCALED;
+                case 2:
+                    if (pureInteger)
+                        return angle::FormatID::R32G32_SINT;
+                    if (normalized)
+                        return angle::FormatID::R32G32_SNORM;
+                    return angle::FormatID::R32G32_SSCALED;
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::R32G32B32_SINT;
+                    if (normalized)
+                        return angle::FormatID::R32G32B32_SNORM;
+                    return angle::FormatID::R32G32B32_SSCALED;
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::R32G32B32A32_SINT;
+                    if (normalized)
+                        return angle::FormatID::R32G32B32A32_SNORM;
+                    return angle::FormatID::R32G32B32A32_SSCALED;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::UnsignedInt:
+            switch (components)
+            {
+                case 1:
+                    if (pureInteger)
+                        return angle::FormatID::R32_UINT;
+                    if (normalized)
+                        return angle::FormatID::R32_UNORM;
+                    return angle::FormatID::R32_USCALED;
+                case 2:
+                    if (pureInteger)
+                        return angle::FormatID::R32G32_UINT;
+                    if (normalized)
+                        return angle::FormatID::R32G32_UNORM;
+                    return angle::FormatID::R32G32_USCALED;
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::R32G32B32_UINT;
+                    if (normalized)
+                        return angle::FormatID::R32G32B32_UNORM;
+                    return angle::FormatID::R32G32B32_USCALED;
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::R32G32B32A32_UINT;
+                    if (normalized)
+                        return angle::FormatID::R32G32B32A32_UNORM;
+                    return angle::FormatID::R32G32B32A32_USCALED;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::Float:
+            switch (components)
+            {
+                case 1:
+                    return angle::FormatID::R32_FLOAT;
+                case 2:
+                    return angle::FormatID::R32G32_FLOAT;
+                case 3:
+                    return angle::FormatID::R32G32B32_FLOAT;
+                case 4:
+                    return angle::FormatID::R32G32B32A32_FLOAT;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::HalfFloat:
+        case VertexAttribType::HalfFloatOES:
+            switch (components)
+            {
+                case 1:
+                    return angle::FormatID::R16_FLOAT;
+                case 2:
+                    return angle::FormatID::R16G16_FLOAT;
+                case 3:
+                    return angle::FormatID::R16G16B16_FLOAT;
+                case 4:
+                    return angle::FormatID::R16G16B16A16_FLOAT;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::Fixed:
+            switch (components)
+            {
+                case 1:
+                    return angle::FormatID::R32_FIXED;
+                case 2:
+                    return angle::FormatID::R32G32_FIXED;
+                case 3:
+                    return angle::FormatID::R32G32B32_FIXED;
+                case 4:
+                    return angle::FormatID::R32G32B32A32_FIXED;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::Int2101010:
+            if (pureInteger)
+                return angle::FormatID::R10G10B10A2_SINT;
+            if (normalized)
+                return angle::FormatID::R10G10B10A2_SNORM;
+            return angle::FormatID::R10G10B10A2_SSCALED;
+        case VertexAttribType::UnsignedInt2101010:
+            if (pureInteger)
+                return angle::FormatID::R10G10B10A2_UINT;
+            if (normalized)
+                return angle::FormatID::R10G10B10A2_UNORM;
+            return angle::FormatID::R10G10B10A2_USCALED;
+        case VertexAttribType::Int1010102:
+            switch (components)
+            {
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::X2R10G10B10_SINT_VERTEX;
+                    if (normalized)
+                        return angle::FormatID::X2R10G10B10_SNORM_VERTEX;
+                    return angle::FormatID::X2R10G10B10_SSCALED_VERTEX;
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::A2R10G10B10_SINT_VERTEX;
+                    if (normalized)
+                        return angle::FormatID::A2R10G10B10_SNORM_VERTEX;
+                    return angle::FormatID::A2R10G10B10_SSCALED_VERTEX;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        case VertexAttribType::UnsignedInt1010102:
+            switch (components)
+            {
+                case 3:
+                    if (pureInteger)
+                        return angle::FormatID::X2R10G10B10_UINT_VERTEX;
+                    if (normalized)
+                        return angle::FormatID::X2R10G10B10_UNORM_VERTEX;
+                    return angle::FormatID::X2R10G10B10_USCALED_VERTEX;
+
+                case 4:
+                    if (pureInteger)
+                        return angle::FormatID::A2R10G10B10_UINT_VERTEX;
+                    if (normalized)
+                        return angle::FormatID::A2R10G10B10_UNORM_VERTEX;
+                    return angle::FormatID::A2R10G10B10_USCALED_VERTEX;
+                default:
+                    UNREACHABLE();
+                    return angle::FormatID::NONE;
+            }
+        default:
+            UNREACHABLE();
+            return angle::FormatID::NONE;
+    }
+}
+
+angle::FormatID GetVertexFormatID(const VertexAttribute &attrib, VertexAttribType currentValueType)
+{
+    if (!attrib.enabled)
+    {
+        return GetCurrentValueFormatID(currentValueType);
+    }
+    return attrib.format->id;
+}
+
+angle::FormatID GetCurrentValueFormatID(VertexAttribType currentValueType)
+{
+    switch (currentValueType)
+    {
+        case VertexAttribType::Float:
+            return angle::FormatID::R32G32B32A32_FLOAT;
+        case VertexAttribType::Int:
+            return angle::FormatID::R32G32B32A32_SINT;
+        case VertexAttribType::UnsignedInt:
+            return angle::FormatID::R32G32B32A32_UINT;
+        default:
+            UNREACHABLE();
+            return angle::FormatID::NONE;
+    }
+}
+
+const VertexFormat &GetVertexFormatFromID(angle::FormatID vertexFormatID)
+{
+    switch (vertexFormatID)
+    {
+        case angle::FormatID::R8_SSCALED:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R8_SNORM:
+        {
+            static const VertexFormat format(GL_BYTE, GL_TRUE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R8G8_SSCALED:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R8G8_SNORM:
+        {
+            static const VertexFormat format(GL_BYTE, GL_TRUE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8_SSCALED:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8_SNORM:
+        {
+            static const VertexFormat format(GL_BYTE, GL_TRUE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8A8_SSCALED:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8A8_SNORM:
+        {
+            static const VertexFormat format(GL_BYTE, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R8_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R8_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R8G8_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R8G8_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8A8_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R8G8B8A8_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R16_SSCALED:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R16_SNORM:
+        {
+            static const VertexFormat format(GL_SHORT, GL_TRUE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R16G16_SSCALED:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R16G16_SNORM:
+        {
+            static const VertexFormat format(GL_SHORT, GL_TRUE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16_SSCALED:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16_SNORM:
+        {
+            static const VertexFormat format(GL_SHORT, GL_TRUE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16A16_SSCALED:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16A16_SNORM:
+        {
+            static const VertexFormat format(GL_SHORT, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R16_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R16_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R16G16_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R16G16_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16A16_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16A16_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R32_SSCALED:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R32_SNORM:
+        {
+            static const VertexFormat format(GL_INT, GL_TRUE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R32G32_SSCALED:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R32G32_SNORM:
+        {
+            static const VertexFormat format(GL_INT, GL_TRUE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_SSCALED:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_SNORM:
+        {
+            static const VertexFormat format(GL_INT, GL_TRUE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_SSCALED:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_SNORM:
+        {
+            static const VertexFormat format(GL_INT, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R32_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R32_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R32G32_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R32G32_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R8_SINT:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 1, true);
+            return format;
+        }
+        case angle::FormatID::R8G8_SINT:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 2, true);
+            return format;
+        }
+        case angle::FormatID::R8G8B8_SINT:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 3, true);
+            return format;
+        }
+        case angle::FormatID::R8G8B8A8_SINT:
+        {
+            static const VertexFormat format(GL_BYTE, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::R8_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, true);
+            return format;
+        }
+        case angle::FormatID::R8G8_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, true);
+            return format;
+        }
+        case angle::FormatID::R8G8B8_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, true);
+            return format;
+        }
+        case angle::FormatID::R8G8B8A8_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::R16_SINT:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 1, true);
+            return format;
+        }
+        case angle::FormatID::R16G16_SINT:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 2, true);
+            return format;
+        }
+        case angle::FormatID::R16G16B16_SINT:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 3, true);
+            return format;
+        }
+        case angle::FormatID::R16G16B16A16_SINT:
+        {
+            static const VertexFormat format(GL_SHORT, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::R16_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, true);
+            return format;
+        }
+        case angle::FormatID::R16G16_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, true);
+            return format;
+        }
+        case angle::FormatID::R16G16B16_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, true);
+            return format;
+        }
+        case angle::FormatID::R16G16B16A16_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::R32_SINT:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 1, true);
+            return format;
+        }
+        case angle::FormatID::R32G32_SINT:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 2, true);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_SINT:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 3, true);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_SINT:
+        {
+            static const VertexFormat format(GL_INT, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::R32_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, true);
+            return format;
+        }
+        case angle::FormatID::R32G32_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, true);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, true);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::R32_FIXED:
+        {
+            static const VertexFormat format(GL_FIXED, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R32G32_FIXED:
+        {
+            static const VertexFormat format(GL_FIXED, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_FIXED:
+        {
+            static const VertexFormat format(GL_FIXED, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_FIXED:
+        {
+            static const VertexFormat format(GL_FIXED, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R16_FLOAT:
+        {
+            static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R16G16_FLOAT:
+        {
+            static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16_FLOAT:
+        {
+            static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R16G16B16A16_FLOAT:
+        {
+            static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R32_FLOAT:
+        {
+            static const VertexFormat format(GL_FLOAT, GL_FALSE, 1, false);
+            return format;
+        }
+        case angle::FormatID::R32G32_FLOAT:
+        {
+            static const VertexFormat format(GL_FLOAT, GL_FALSE, 2, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32_FLOAT:
+        {
+            static const VertexFormat format(GL_FLOAT, GL_FALSE, 3, false);
+            return format;
+        }
+        case angle::FormatID::R32G32B32A32_FLOAT:
+        {
+            static const VertexFormat format(GL_FLOAT, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R10G10B10A2_SSCALED:
+        {
+            static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R10G10B10A2_USCALED:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R10G10B10A2_SNORM:
+        {
+            static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R10G10B10A2_UNORM:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::R10G10B10A2_SINT:
+        {
+            static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::R10G10B10A2_UINT:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::A2R10G10B10_SSCALED_VERTEX:
+        {
+            static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::A2R10G10B10_USCALED_VERTEX:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::A2R10G10B10_SNORM_VERTEX:
+        {
+            static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::A2R10G10B10_UNORM_VERTEX:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::A2R10G10B10_SINT_VERTEX:
+        {
+            static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::A2R10G10B10_UINT_VERTEX:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_FALSE, 4, true);
+            return format;
+        }
+        case angle::FormatID::X2R10G10B10_SSCALED_VERTEX:
+        {
+            static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::X2R10G10B10_USCALED_VERTEX:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+            return format;
+        }
+        case angle::FormatID::X2R10G10B10_SNORM_VERTEX:
+        {
+            static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::X2R10G10B10_UNORM_VERTEX:
+        {
+            static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+            return format;
+        }
+        case angle::FormatID::X2R10G10B10_SINT_VERTEX:
+        {
+            static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, true);
+            return format;
+        }
+        default:
+        {
+            static const VertexFormat format(GL_NONE, GL_FALSE, 0, false);
+            return format;
+        }
+    }
+}
+
+size_t GetVertexFormatSize(angle::FormatID vertexFormatID)
+{
+    switch (vertexFormatID)
+    {
+        case angle::FormatID::R8_SSCALED:
+        case angle::FormatID::R8_SNORM:
+        case angle::FormatID::R8_USCALED:
+        case angle::FormatID::R8_UNORM:
+        case angle::FormatID::R8_SINT:
+        case angle::FormatID::R8_UINT:
+            return 1;
+
+        case angle::FormatID::R8G8_SSCALED:
+        case angle::FormatID::R8G8_SNORM:
+        case angle::FormatID::R8G8_USCALED:
+        case angle::FormatID::R8G8_UNORM:
+        case angle::FormatID::R8G8_SINT:
+        case angle::FormatID::R8G8_UINT:
+        case angle::FormatID::R16_SSCALED:
+        case angle::FormatID::R16_SNORM:
+        case angle::FormatID::R16_USCALED:
+        case angle::FormatID::R16_UNORM:
+        case angle::FormatID::R16_SINT:
+        case angle::FormatID::R16_UINT:
+        case angle::FormatID::R16_FLOAT:
+            return 2;
+
+        case angle::FormatID::R8G8B8_SSCALED:
+        case angle::FormatID::R8G8B8_SNORM:
+        case angle::FormatID::R8G8B8_USCALED:
+        case angle::FormatID::R8G8B8_UNORM:
+        case angle::FormatID::R8G8B8_SINT:
+        case angle::FormatID::R8G8B8_UINT:
+            return 3;
+
+        case angle::FormatID::R8G8B8A8_SSCALED:
+        case angle::FormatID::R8G8B8A8_SNORM:
+        case angle::FormatID::R8G8B8A8_USCALED:
+        case angle::FormatID::R8G8B8A8_UNORM:
+        case angle::FormatID::R8G8B8A8_SINT:
+        case angle::FormatID::R8G8B8A8_UINT:
+        case angle::FormatID::R16G16_SSCALED:
+        case angle::FormatID::R16G16_SNORM:
+        case angle::FormatID::R16G16_USCALED:
+        case angle::FormatID::R16G16_UNORM:
+        case angle::FormatID::R16G16_SINT:
+        case angle::FormatID::R16G16_UINT:
+        case angle::FormatID::R32_SSCALED:
+        case angle::FormatID::R32_SNORM:
+        case angle::FormatID::R32_USCALED:
+        case angle::FormatID::R32_UNORM:
+        case angle::FormatID::R32_SINT:
+        case angle::FormatID::R32_UINT:
+        case angle::FormatID::R16G16_FLOAT:
+        case angle::FormatID::R32_FIXED:
+        case angle::FormatID::R32_FLOAT:
+        case angle::FormatID::R10G10B10A2_SSCALED:
+        case angle::FormatID::R10G10B10A2_USCALED:
+        case angle::FormatID::R10G10B10A2_SNORM:
+        case angle::FormatID::R10G10B10A2_UNORM:
+        case angle::FormatID::R10G10B10A2_SINT:
+        case angle::FormatID::R10G10B10A2_UINT:
+        case angle::FormatID::A2R10G10B10_SSCALED_VERTEX:
+        case angle::FormatID::A2R10G10B10_USCALED_VERTEX:
+        case angle::FormatID::A2R10G10B10_SINT_VERTEX:
+        case angle::FormatID::A2R10G10B10_UINT_VERTEX:
+        case angle::FormatID::A2R10G10B10_SNORM_VERTEX:
+        case angle::FormatID::A2R10G10B10_UNORM_VERTEX:
+        case angle::FormatID::X2R10G10B10_SSCALED_VERTEX:
+        case angle::FormatID::X2R10G10B10_USCALED_VERTEX:
+        case angle::FormatID::X2R10G10B10_SINT_VERTEX:
+        case angle::FormatID::X2R10G10B10_UINT_VERTEX:
+        case angle::FormatID::X2R10G10B10_SNORM_VERTEX:
+        case angle::FormatID::X2R10G10B10_UNORM_VERTEX:
+            return 4;
+
+        case angle::FormatID::R16G16B16_SSCALED:
+        case angle::FormatID::R16G16B16_SNORM:
+        case angle::FormatID::R16G16B16_USCALED:
+        case angle::FormatID::R16G16B16_UNORM:
+        case angle::FormatID::R16G16B16_SINT:
+        case angle::FormatID::R16G16B16_UINT:
+        case angle::FormatID::R16G16B16_FLOAT:
+            return 6;
+
+        case angle::FormatID::R16G16B16A16_SSCALED:
+        case angle::FormatID::R16G16B16A16_SNORM:
+        case angle::FormatID::R16G16B16A16_USCALED:
+        case angle::FormatID::R16G16B16A16_UNORM:
+        case angle::FormatID::R16G16B16A16_SINT:
+        case angle::FormatID::R16G16B16A16_UINT:
+        case angle::FormatID::R32G32_SSCALED:
+        case angle::FormatID::R32G32_SNORM:
+        case angle::FormatID::R32G32_USCALED:
+        case angle::FormatID::R32G32_UNORM:
+        case angle::FormatID::R32G32_SINT:
+        case angle::FormatID::R32G32_UINT:
+        case angle::FormatID::R16G16B16A16_FLOAT:
+        case angle::FormatID::R32G32_FIXED:
+        case angle::FormatID::R32G32_FLOAT:
+            return 8;
+
+        case angle::FormatID::R32G32B32_SSCALED:
+        case angle::FormatID::R32G32B32_SNORM:
+        case angle::FormatID::R32G32B32_USCALED:
+        case angle::FormatID::R32G32B32_UNORM:
+        case angle::FormatID::R32G32B32_SINT:
+        case angle::FormatID::R32G32B32_UINT:
+        case angle::FormatID::R32G32B32_FIXED:
+        case angle::FormatID::R32G32B32_FLOAT:
+            return 12;
+
+        case angle::FormatID::R32G32B32A32_SSCALED:
+        case angle::FormatID::R32G32B32A32_SNORM:
+        case angle::FormatID::R32G32B32A32_USCALED:
+        case angle::FormatID::R32G32B32A32_UNORM:
+        case angle::FormatID::R32G32B32A32_SINT:
+        case angle::FormatID::R32G32B32A32_UINT:
+        case angle::FormatID::R32G32B32A32_FIXED:
+        case angle::FormatID::R32G32B32A32_FLOAT:
+            return 16;
+
+        case angle::FormatID::NONE:
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+angle::FormatID ConvertFormatSignedness(const angle::Format &format)
+{
+    switch (format.id)
+    {
+        // 1 byte signed to unsigned
+        case angle::FormatID::R8_SINT:
+            return angle::FormatID::R8_UINT;
+        case angle::FormatID::R8_SNORM:
+            return angle::FormatID::R8_UNORM;
+        case angle::FormatID::R8_SSCALED:
+            return angle::FormatID::R8_USCALED;
+        case angle::FormatID::R8G8_SINT:
+            return angle::FormatID::R8G8_UINT;
+        case angle::FormatID::R8G8_SNORM:
+            return angle::FormatID::R8G8_UNORM;
+        case angle::FormatID::R8G8_SSCALED:
+            return angle::FormatID::R8G8_USCALED;
+        case angle::FormatID::R8G8B8_SINT:
+            return angle::FormatID::R8G8B8_UINT;
+        case angle::FormatID::R8G8B8_SNORM:
+            return angle::FormatID::R8G8B8_UNORM;
+        case angle::FormatID::R8G8B8_SSCALED:
+            return angle::FormatID::R8G8B8_USCALED;
+        case angle::FormatID::R8G8B8A8_SINT:
+            return angle::FormatID::R8G8B8A8_UINT;
+        case angle::FormatID::R8G8B8A8_SNORM:
+            return angle::FormatID::R8G8B8A8_UNORM;
+        case angle::FormatID::R8G8B8A8_SSCALED:
+            return angle::FormatID::R8G8B8A8_USCALED;
+        // 1 byte unsigned to signed
+        case angle::FormatID::R8_UINT:
+            return angle::FormatID::R8_SINT;
+        case angle::FormatID::R8_UNORM:
+            return angle::FormatID::R8_SNORM;
+        case angle::FormatID::R8_USCALED:
+            return angle::FormatID::R8_SSCALED;
+        case angle::FormatID::R8G8_UINT:
+            return angle::FormatID::R8G8_SINT;
+        case angle::FormatID::R8G8_UNORM:
+            return angle::FormatID::R8G8_SNORM;
+        case angle::FormatID::R8G8_USCALED:
+            return angle::FormatID::R8G8_SSCALED;
+        case angle::FormatID::R8G8B8_UINT:
+            return angle::FormatID::R8G8B8_SINT;
+        case angle::FormatID::R8G8B8_UNORM:
+            return angle::FormatID::R8G8B8_SNORM;
+        case angle::FormatID::R8G8B8_USCALED:
+            return angle::FormatID::R8G8B8_SSCALED;
+        case angle::FormatID::R8G8B8A8_UINT:
+            return angle::FormatID::R8G8B8A8_SINT;
+        case angle::FormatID::R8G8B8A8_UNORM:
+            return angle::FormatID::R8G8B8A8_SNORM;
+        case angle::FormatID::R8G8B8A8_USCALED:
+            return angle::FormatID::R8G8B8A8_SSCALED;
+        // 2 byte signed to unsigned
+        case angle::FormatID::R16_SINT:
+            return angle::FormatID::R16_UINT;
+        case angle::FormatID::R16_SNORM:
+            return angle::FormatID::R16_UNORM;
+        case angle::FormatID::R16_SSCALED:
+            return angle::FormatID::R16_USCALED;
+        case angle::FormatID::R16G16_SINT:
+            return angle::FormatID::R16G16_UINT;
+        case angle::FormatID::R16G16_SNORM:
+            return angle::FormatID::R16G16_UNORM;
+        case angle::FormatID::R16G16_SSCALED:
+            return angle::FormatID::R16G16_USCALED;
+        case angle::FormatID::R16G16B16_SINT:
+            return angle::FormatID::R16G16B16_UINT;
+        case angle::FormatID::R16G16B16_SNORM:
+            return angle::FormatID::R16G16B16_UNORM;
+        case angle::FormatID::R16G16B16_SSCALED:
+            return angle::FormatID::R16G16B16_USCALED;
+        case angle::FormatID::R16G16B16A16_SINT:
+            return angle::FormatID::R16G16B16A16_UINT;
+        case angle::FormatID::R16G16B16A16_SNORM:
+            return angle::FormatID::R16G16B16A16_UNORM;
+        case angle::FormatID::R16G16B16A16_SSCALED:
+            return angle::FormatID::R16G16B16A16_USCALED;
+        // 2 byte unsigned to signed
+        case angle::FormatID::R16_UINT:
+            return angle::FormatID::R16_SINT;
+        case angle::FormatID::R16_UNORM:
+            return angle::FormatID::R16_SNORM;
+        case angle::FormatID::R16_USCALED:
+            return angle::FormatID::R16_SSCALED;
+        case angle::FormatID::R16G16_UINT:
+            return angle::FormatID::R16G16_SINT;
+        case angle::FormatID::R16G16_UNORM:
+            return angle::FormatID::R16G16_SNORM;
+        case angle::FormatID::R16G16_USCALED:
+            return angle::FormatID::R16G16_SSCALED;
+        case angle::FormatID::R16G16B16_UINT:
+            return angle::FormatID::R16G16B16_SINT;
+        case angle::FormatID::R16G16B16_UNORM:
+            return angle::FormatID::R16G16B16_SNORM;
+        case angle::FormatID::R16G16B16_USCALED:
+            return angle::FormatID::R16G16B16_SSCALED;
+        case angle::FormatID::R16G16B16A16_UINT:
+            return angle::FormatID::R16G16B16A16_SINT;
+        case angle::FormatID::R16G16B16A16_UNORM:
+            return angle::FormatID::R16G16B16A16_SNORM;
+        case angle::FormatID::R16G16B16A16_USCALED:
+            return angle::FormatID::R16G16B16A16_SSCALED;
+        // 4 byte signed to unsigned
+        case angle::FormatID::R32_SINT:
+            return angle::FormatID::R32_UINT;
+        case angle::FormatID::R32_SNORM:
+            return angle::FormatID::R32_UNORM;
+        case angle::FormatID::R32_SSCALED:
+            return angle::FormatID::R32_USCALED;
+        case angle::FormatID::R32G32_SINT:
+            return angle::FormatID::R32G32_UINT;
+        case angle::FormatID::R32G32_SNORM:
+            return angle::FormatID::R32G32_UNORM;
+        case angle::FormatID::R32G32_SSCALED:
+            return angle::FormatID::R32G32_USCALED;
+        case angle::FormatID::R32G32B32_SINT:
+            return angle::FormatID::R32G32B32_UINT;
+        case angle::FormatID::R32G32B32_SNORM:
+            return angle::FormatID::R32G32B32_UNORM;
+        case angle::FormatID::R32G32B32_SSCALED:
+            return angle::FormatID::R32G32B32_USCALED;
+        case angle::FormatID::R32G32B32A32_SINT:
+            return angle::FormatID::R32G32B32A32_UINT;
+        case angle::FormatID::R32G32B32A32_SNORM:
+            return angle::FormatID::R32G32B32A32_UNORM;
+        case angle::FormatID::R32G32B32A32_SSCALED:
+            return angle::FormatID::R32G32B32A32_USCALED;
+        // 4 byte unsigned to signed
+        case angle::FormatID::R32_UINT:
+            return angle::FormatID::R32_SINT;
+        case angle::FormatID::R32_UNORM:
+            return angle::FormatID::R32_SNORM;
+        case angle::FormatID::R32_USCALED:
+            return angle::FormatID::R32_SSCALED;
+        case angle::FormatID::R32G32_UINT:
+            return angle::FormatID::R32G32_SINT;
+        case angle::FormatID::R32G32_UNORM:
+            return angle::FormatID::R32G32_SNORM;
+        case angle::FormatID::R32G32_USCALED:
+            return angle::FormatID::R32G32_SSCALED;
+        case angle::FormatID::R32G32B32_UINT:
+            return angle::FormatID::R32G32B32_SINT;
+        case angle::FormatID::R32G32B32_UNORM:
+            return angle::FormatID::R32G32B32_SNORM;
+        case angle::FormatID::R32G32B32_USCALED:
+            return angle::FormatID::R32G32B32_SSCALED;
+        case angle::FormatID::R32G32B32A32_UINT:
+            return angle::FormatID::R32G32B32A32_SINT;
+        case angle::FormatID::R32G32B32A32_UNORM:
+            return angle::FormatID::R32G32B32A32_SNORM;
+        case angle::FormatID::R32G32B32A32_USCALED:
+            return angle::FormatID::R32G32B32A32_SSCALED;
+        // 1010102 signed to unsigned
+        case angle::FormatID::R10G10B10A2_SINT:
+            return angle::FormatID::R10G10B10A2_UINT;
+        case angle::FormatID::R10G10B10A2_SSCALED:
+            return angle::FormatID::R10G10B10A2_USCALED;
+        case angle::FormatID::R10G10B10A2_SNORM:
+            return angle::FormatID::R10G10B10A2_UNORM;
+        // 1010102 unsigned to signed
+        case angle::FormatID::R10G10B10A2_UINT:
+            return angle::FormatID::R10G10B10A2_SINT;
+        case angle::FormatID::R10G10B10A2_USCALED:
+            return angle::FormatID::R10G10B10A2_SSCALED;
+        case angle::FormatID::R10G10B10A2_UNORM:
+            return angle::FormatID::R10G10B10A2_SNORM;
+        default:
+            UNREACHABLE();
+            return angle::FormatID::NONE;
+    }
+}
+
+bool ValidES3InternalFormat(GLenum internalFormat)
+{
+    const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+    return internalFormat != GL_NONE && formatMap.find(internalFormat) != formatMap.end();
+}
+
+VertexFormat::VertexFormat(GLenum typeIn,
+                           GLboolean normalizedIn,
+                           GLuint componentsIn,
+                           bool pureIntegerIn)
+    : type(typeIn), normalized(normalizedIn), components(componentsIn), pureInteger(pureIntegerIn)
+{
+    // float -> !normalized
+    ASSERT(!(type == GL_FLOAT || type == GL_HALF_FLOAT || type == GL_FIXED) ||
+           normalized == GL_FALSE);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/formatutils.h b/gfx/angle/checkout/src/libANGLE/formatutils.h
new file mode 100644
index 0000000000..64cc42ec1f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/formatutils.h
@@ -0,0 +1,577 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils.h: Queries for GL image formats.
+
+#ifndef LIBANGLE_FORMATUTILS_H_
+#define LIBANGLE_FORMATUTILS_H_
+
+#include <stdint.h>
+#include <cstddef>
+#include <ostream>
+
+#include "angle_gl.h"
+#include "common/android_util.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Version.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+struct VertexAttribute;
+
+struct FormatType final
+{
+    FormatType();
+    FormatType(GLenum format_, GLenum type_);
+    FormatType(const FormatType &other)            = default;
+    FormatType &operator=(const FormatType &other) = default;
+
+    bool operator<(const FormatType &other) const;
+
+    GLenum format;
+    GLenum type;
+};
+
+struct Type
+{
+    Type() : bytes(0), bytesShift(0), specialInterpretation(0) {}
+
+    explicit Type(uint32_t packedTypeInfo)
+        : bytes(packedTypeInfo & 0xff),
+          bytesShift((packedTypeInfo >> 8) & 0xff),
+          specialInterpretation((packedTypeInfo >> 16) & 1)
+    {}
+
+    GLuint bytes;
+    GLuint bytesShift;  // Bit shift by this value to effectively divide/multiply by "bytes" in a
+                        // more optimal way
+    bool specialInterpretation;
+};
+
+uint32_t GetPackedTypeInfo(GLenum type);
+
+ANGLE_INLINE GLenum GetNonLinearFormat(const GLenum format)
+{
+    switch (format)
+    {
+        case GL_BGRA8_EXT:
+            return GL_BGRA8_SRGB_ANGLEX;
+        case GL_RGBA8:
+            return GL_SRGB8_ALPHA8;
+        case GL_RGB8:
+        case GL_BGRX8_ANGLEX:
+        case GL_RGBX8_ANGLE:
+            return GL_SRGB8;
+        case GL_RGBA16F:
+            return GL_RGBA16F;
+        default:
+            return GL_NONE;
+    }
+}
+
+ANGLE_INLINE bool ColorspaceFormatOverride(const EGLenum colorspace, GLenum *rendertargetformat)
+{
+    // Override the rendertargetformat based on colorpsace
+    switch (colorspace)
+    {
+        case EGL_GL_COLORSPACE_LINEAR:                 // linear colorspace no translation needed
+        case EGL_GL_COLORSPACE_SCRGB_LINEAR_EXT:       // linear colorspace no translation needed
+        case EGL_GL_COLORSPACE_DISPLAY_P3_LINEAR_EXT:  // linear colorspace no translation needed
+        case EGL_GL_COLORSPACE_DISPLAY_P3_PASSTHROUGH_EXT:  // App, not the HW, will specify the
+                                                            // transfer function
+        case EGL_GL_COLORSPACE_SCRGB_EXT:  // App, not the HW, will specify the transfer function
+            // No translation
+            return true;
+        case EGL_GL_COLORSPACE_SRGB_KHR:
+        case EGL_GL_COLORSPACE_DISPLAY_P3_EXT:
+        {
+            GLenum nonLinearFormat = GetNonLinearFormat(*rendertargetformat);
+            if (nonLinearFormat != GL_NONE)
+            {
+                *rendertargetformat = nonLinearFormat;
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+        break;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+ANGLE_INLINE const Type GetTypeInfo(GLenum type)
+{
+    return Type(GetPackedTypeInfo(type));
+}
+
+// This helpers use tricks based on the assumption that the type has certain values.
+static_assert(static_cast<GLuint>(DrawElementsType::UnsignedByte) == 0, "Please update this code.");
+static_assert(static_cast<GLuint>(DrawElementsType::UnsignedShort) == 1,
+              "Please update this code.");
+static_assert(static_cast<GLuint>(DrawElementsType::UnsignedInt) == 2, "Please update this code.");
+ANGLE_INLINE GLuint GetDrawElementsTypeSize(DrawElementsType type)
+{
+    return (1 << static_cast<GLuint>(type));
+}
+
+ANGLE_INLINE GLuint GetDrawElementsTypeShift(DrawElementsType type)
+{
+    return static_cast<GLuint>(type);
+}
+
+// Information about an OpenGL internal format.  Can be keyed on the internalFormat and type
+// members.
+struct InternalFormat
+{
+    InternalFormat();
+    InternalFormat(const InternalFormat &other);
+    InternalFormat &operator=(const InternalFormat &other);
+
+    GLuint computePixelBytes(GLenum formatType) const;
+
+    [[nodiscard]] bool computeBufferRowLength(uint32_t width, uint32_t *resultOut) const;
+    [[nodiscard]] bool computeBufferImageHeight(uint32_t height, uint32_t *resultOut) const;
+
+    [[nodiscard]] bool computeRowPitch(GLenum formatType,
+                                       GLsizei width,
+                                       GLint alignment,
+                                       GLint rowLength,
+                                       GLuint *resultOut) const;
+    [[nodiscard]] bool computeDepthPitch(GLsizei height,
+                                         GLint imageHeight,
+                                         GLuint rowPitch,
+                                         GLuint *resultOut) const;
+    [[nodiscard]] bool computeDepthPitch(GLenum formatType,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLint alignment,
+                                         GLint rowLength,
+                                         GLint imageHeight,
+                                         GLuint *resultOut) const;
+
+    [[nodiscard]] bool computePalettedImageRowPitch(GLsizei width, GLuint *resultOut) const;
+
+    [[nodiscard]] bool computeCompressedImageSize(const Extents &size, GLuint *resultOut) const;
+
+    [[nodiscard]] std::pair<GLuint, GLuint> getCompressedImageMinBlocks() const;
+
+    [[nodiscard]] bool computeSkipBytes(GLenum formatType,
+                                        GLuint rowPitch,
+                                        GLuint depthPitch,
+                                        const PixelStoreStateBase &state,
+                                        bool is3D,
+                                        GLuint *resultOut) const;
+
+    [[nodiscard]] bool computePackUnpackEndByte(GLenum formatType,
+                                                const Extents &size,
+                                                const PixelStoreStateBase &state,
+                                                bool is3D,
+                                                GLuint *resultOut) const;
+
+    bool isLUMA() const;
+    GLenum getReadPixelsFormat(const Extensions &extensions) const;
+    GLenum getReadPixelsType(const Version &version) const;
+
+    // Support upload a portion of image?
+    bool supportSubImage() const;
+
+    ANGLE_INLINE bool isChannelSizeCompatible(GLuint redSize,
+                                              GLuint greenSize,
+                                              GLuint blueSize,
+                                              GLuint alphaSize) const
+    {
+        // We only check for equality in all channel sizes
+        return ((redSize == redBits) && (greenSize == greenBits) && (blueSize == blueBits) &&
+                (alphaSize == alphaBits));
+    }
+
+    // Return true if the format is a required renderbuffer format in the given version of the core
+    // spec. Note that it isn't always clear whether all the rules that apply to core required
+    // renderbuffer formats also apply to additional formats added by extensions. Because of this
+    // extension formats are conservatively not included.
+    bool isRequiredRenderbufferFormat(const Version &version) const;
+
+    bool isInt() const;
+    bool isDepthOrStencil() const;
+
+    bool operator==(const InternalFormat &other) const;
+    bool operator!=(const InternalFormat &other) const;
+
+    GLenum internalFormat;
+
+    bool sized;
+    GLenum sizedInternalFormat;
+
+    GLuint redBits;
+    GLuint greenBits;
+    GLuint blueBits;
+
+    GLuint luminanceBits;
+
+    GLuint alphaBits;
+    GLuint sharedBits;
+
+    GLuint depthBits;
+    GLuint stencilBits;
+
+    GLuint pixelBytes;
+
+    GLuint componentCount;
+
+    bool compressed;
+    GLuint compressedBlockWidth;
+    GLuint compressedBlockHeight;
+    GLuint compressedBlockDepth;
+
+    bool paletted;
+    GLuint paletteBits;
+
+    GLenum format;
+    GLenum type;
+
+    GLenum componentType;
+    GLenum colorEncoding;
+
+    typedef bool (*SupportCheckFunction)(const Version &, const Extensions &);
+    SupportCheckFunction textureSupport;
+    SupportCheckFunction filterSupport;
+    SupportCheckFunction textureAttachmentSupport;  // glFramebufferTexture2D
+    SupportCheckFunction renderbufferSupport;       // glFramebufferRenderbuffer
+    SupportCheckFunction blendSupport;
+};
+
+// A "Format" wraps an InternalFormat struct, querying it from either a sized internal format or
+// unsized internal format and type.
+// TODO(geofflang): Remove this, it doesn't add any more information than the InternalFormat object.
+struct Format
+{
+    // Sized types only.
+    explicit Format(GLenum internalFormat);
+
+    // Sized or unsized types.
+    explicit Format(const InternalFormat &internalFormat);
+    Format(GLenum internalFormat, GLenum type);
+
+    Format(const Format &other);
+    Format &operator=(const Format &other);
+
+    bool valid() const;
+
+    static Format Invalid();
+    static bool SameSized(const Format &a, const Format &b);
+    static bool EquivalentForBlit(const Format &a, const Format &b);
+
+    friend std::ostream &operator<<(std::ostream &os, const Format &fmt);
+
+    // This is the sized info.
+    const InternalFormat *info;
+};
+
+const InternalFormat &GetSizedInternalFormatInfo(GLenum internalFormat);
+const InternalFormat &GetInternalFormatInfo(GLenum internalFormat, GLenum type);
+
+// Strip sizing information from an internal format.  Doesn't necessarily validate that the internal
+// format is valid.
+GLenum GetUnsizedFormat(GLenum internalFormat);
+
+// Return whether the compressed format requires whole image/mip level to be uploaded to texture.
+bool CompressedFormatRequiresWholeImage(GLenum internalFormat);
+
+// In support of GetImage, check for LUMA formats and override with real format
+void MaybeOverrideLuminance(GLenum &format, GLenum &type, GLenum actualFormat, GLenum actualType);
+
+typedef std::set<GLenum> FormatSet;
+const FormatSet &GetAllSizedInternalFormats();
+
+typedef angle::HashMap<GLenum, angle::HashMap<GLenum, InternalFormat>> InternalFormatInfoMap;
+const InternalFormatInfoMap &GetInternalFormatMap();
+
+int GetAndroidHardwareBufferFormatFromChannelSizes(const egl::AttributeMap &attribMap);
+
+GLenum GetConfigColorBufferFormat(const egl::Config *config);
+GLenum GetConfigDepthStencilBufferFormat(const egl::Config *config);
+
+ANGLE_INLINE int GetNativeVisualID(const InternalFormat &internalFormat)
+{
+    int nativeVisualId = 0;
+#if defined(ANGLE_PLATFORM_ANDROID)
+    nativeVisualId =
+        angle::android::GLInternalFormatToNativePixelFormat(internalFormat.internalFormat);
+#endif
+#if defined(ANGLE_PLATFORM_LINUX) && defined(ANGLE_USES_GBM)
+    nativeVisualId = angle::GLInternalFormatToGbmFourCCFormat(internalFormat.internalFormat);
+#endif
+
+    return nativeVisualId;
+}
+
+// From the ESSL 3.00.4 spec:
+// Vertex shader inputs can only be float, floating-point vectors, matrices, signed and unsigned
+// integers and integer vectors. Vertex shader inputs cannot be arrays or structures.
+
+enum AttributeType
+{
+    ATTRIBUTE_FLOAT,
+    ATTRIBUTE_VEC2,
+    ATTRIBUTE_VEC3,
+    ATTRIBUTE_VEC4,
+    ATTRIBUTE_INT,
+    ATTRIBUTE_IVEC2,
+    ATTRIBUTE_IVEC3,
+    ATTRIBUTE_IVEC4,
+    ATTRIBUTE_UINT,
+    ATTRIBUTE_UVEC2,
+    ATTRIBUTE_UVEC3,
+    ATTRIBUTE_UVEC4,
+    ATTRIBUTE_MAT2,
+    ATTRIBUTE_MAT3,
+    ATTRIBUTE_MAT4,
+    ATTRIBUTE_MAT2x3,
+    ATTRIBUTE_MAT2x4,
+    ATTRIBUTE_MAT3x2,
+    ATTRIBUTE_MAT3x4,
+    ATTRIBUTE_MAT4x2,
+    ATTRIBUTE_MAT4x3,
+};
+
+AttributeType GetAttributeType(GLenum enumValue);
+
+typedef std::vector<angle::FormatID> InputLayout;
+
+struct VertexFormat : private angle::NonCopyable
+{
+    VertexFormat(GLenum typeIn, GLboolean normalizedIn, GLuint componentsIn, bool pureIntegerIn);
+
+    GLenum type;
+    GLboolean normalized;
+    GLuint components;
+    bool pureInteger;
+};
+
+angle::FormatID GetVertexFormatID(VertexAttribType type,
+                                  GLboolean normalized,
+                                  GLuint components,
+                                  bool pureInteger);
+
+angle::FormatID GetVertexFormatID(const VertexAttribute &attrib, VertexAttribType currentValueType);
+angle::FormatID GetCurrentValueFormatID(VertexAttribType currentValueType);
+const VertexFormat &GetVertexFormatFromID(angle::FormatID vertexFormatID);
+size_t GetVertexFormatSize(angle::FormatID vertexFormatID);
+angle::FormatID ConvertFormatSignedness(const angle::Format &format);
+
+ANGLE_INLINE bool IsS3TCFormat(const GLenum format)
+{
+    switch (format)
+    {
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+        case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+ANGLE_INLINE bool IsRGTCFormat(const GLenum format)
+{
+    switch (format)
+    {
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+ANGLE_INLINE bool IsBPTCFormat(const GLenum format)
+{
+    switch (format)
+    {
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+ANGLE_INLINE bool IsASTC2DFormat(const GLenum format)
+{
+    if ((format >= GL_COMPRESSED_RGBA_ASTC_4x4_KHR &&
+         format <= GL_COMPRESSED_RGBA_ASTC_12x12_KHR) ||
+        (format >= GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR &&
+         format <= GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR))
+    {
+        return true;
+    }
+    return false;
+}
+
+ANGLE_INLINE bool IsETC1Format(const GLenum format)
+{
+    switch (format)
+    {
+        case GL_ETC1_RGB8_OES:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+ANGLE_INLINE bool IsETC2EACFormat(const GLenum format)
+{
+    // ES 3.1, Table 8.19
+    switch (format)
+    {
+        case GL_COMPRESSED_R11_EAC:
+        case GL_COMPRESSED_SIGNED_R11_EAC:
+        case GL_COMPRESSED_RG11_EAC:
+        case GL_COMPRESSED_SIGNED_RG11_EAC:
+        case GL_COMPRESSED_RGB8_ETC2:
+        case GL_COMPRESSED_SRGB8_ETC2:
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        case GL_COMPRESSED_RGBA8_ETC2_EAC:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+ANGLE_INLINE bool IsPVRTC1Format(const GLenum format)
+{
+    switch (format)
+    {
+        case GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
+        case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
+        case GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:
+        case GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
+        case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
+        case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+ANGLE_INLINE bool IsBGRAFormat(const GLenum internalFormat)
+{
+    switch (internalFormat)
+    {
+        case GL_BGRA8_EXT:
+        case GL_BGRA4_ANGLEX:
+        case GL_BGR5_A1_ANGLEX:
+        case GL_BGRA8_SRGB_ANGLEX:
+        case GL_BGRX8_ANGLEX:
+        case GL_RGBX8_ANGLE:
+        case GL_BGR565_ANGLEX:
+        case GL_BGR10_A2_ANGLEX:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+// Check if an internal format is ever valid in ES3.  Makes no checks about support for a specific
+// context.
+bool ValidES3InternalFormat(GLenum internalFormat);
+
+// Implemented in format_map_autogen.cpp
+bool ValidES3Format(GLenum format);
+bool ValidES3Type(GLenum type);
+bool ValidES3FormatCombination(GLenum format, GLenum type, GLenum internalFormat);
+
+// Implemented in format_map_desktop.cpp
+bool ValidDesktopFormat(GLenum format);
+bool ValidDesktopType(GLenum type);
+bool ValidDesktopFormatCombination(GLenum format, GLenum type, GLenum internalFormat);
+
+// Implemented in es3_copy_conversion_table_autogen.cpp
+bool ValidES3CopyConversion(GLenum textureFormat, GLenum framebufferFormat);
+
+ANGLE_INLINE ComponentType GetVertexAttributeComponentType(bool pureInteger, VertexAttribType type)
+{
+    if (pureInteger)
+    {
+        switch (type)
+        {
+            case VertexAttribType::Byte:
+            case VertexAttribType::Short:
+            case VertexAttribType::Int:
+                return ComponentType::Int;
+
+            case VertexAttribType::UnsignedByte:
+            case VertexAttribType::UnsignedShort:
+            case VertexAttribType::UnsignedInt:
+                return ComponentType::UnsignedInt;
+
+            default:
+                UNREACHABLE();
+                return ComponentType::NoType;
+        }
+    }
+    else
+    {
+        return ComponentType::Float;
+    }
+}
+
+constexpr std::size_t kMaxYuvPlaneCount = 3;
+template <typename T>
+using YuvPlaneArray = std::array<T, kMaxYuvPlaneCount>;
+
+struct YuvFormatInfo
+{
+    // Sized types only.
+    YuvFormatInfo(GLenum internalFormat, const Extents &yPlaneExtent);
+
+    GLenum glInternalFormat;
+    uint32_t planeCount;
+    YuvPlaneArray<uint32_t> planeBpp;
+    YuvPlaneArray<Extents> planeExtent;
+    YuvPlaneArray<uint32_t> planePitch;
+    YuvPlaneArray<uint32_t> planeSize;
+    YuvPlaneArray<uint32_t> planeOffset;
+};
+
+bool IsYuvFormat(GLenum format);
+uint32_t GetPlaneCount(GLenum format);
+uint32_t GetYPlaneBpp(GLenum format);
+uint32_t GetChromaPlaneBpp(GLenum format);
+void GetSubSampleFactor(GLenum format,
+                        int *horizontalSubsampleFactor,
+                        int *verticalSubsampleFactor);
+}  // namespace gl
+
+#endif  // LIBANGLE_FORMATUTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/gles_extensions_autogen.cpp b/gfx/angle/checkout/src/libANGLE/gles_extensions_autogen.cpp
new file mode 100644
index 0000000000..0caab7e0d9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/gles_extensions_autogen.cpp
@@ -0,0 +1,278 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_extensions.py using data from registry_xml.py and gl.xml
+//
+// Copyright 2021 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// gles_extensions_autogen.h: GLES extension strings information.
+
+#include "anglebase/no_destructor.h"
+#include "libANGLE/Caps.h"
+
+namespace gl
+{
+const ExtensionInfoMap &GetExtensionInfoMap()
+{
+    auto buildExtensionInfoMap = []() {
+        auto enableableExtension = [](ExtensionBool member) {
+            ExtensionInfo info;
+            info.Requestable      = true;
+            info.ExtensionsMember = member;
+            return info;
+        };
+
+        auto enableableDisablableExtension = [&](ExtensionBool member) {
+            ExtensionInfo info = enableableExtension(member);
+            info.Disablable    = true;
+            return info;
+        };
+
+        auto esOnlyExtension = [](ExtensionBool member) {
+            ExtensionInfo info;
+            info.ExtensionsMember = member;
+            return info;
+        };
+
+        // clang-format off
+        ExtensionInfoMap map;
+
+        // GLES 2.0 extension strings
+        // --------------------------
+        map["GL_EXT_base_instance"] = enableableExtension(&Extensions::baseInstanceEXT);
+        map["GL_KHR_blend_equation_advanced"] = esOnlyExtension(&Extensions::blendEquationAdvancedKHR);
+        map["GL_EXT_blend_func_extended"] = enableableExtension(&Extensions::blendFuncExtendedEXT);
+        map["GL_EXT_blend_minmax"] = enableableExtension(&Extensions::blendMinmaxEXT);
+        map["GL_EXT_buffer_storage"] = enableableExtension(&Extensions::bufferStorageEXT);
+        map["GL_EXT_clip_control"] = enableableExtension(&Extensions::clipControlEXT);
+        map["GL_EXT_clip_cull_distance"] = enableableExtension(&Extensions::clipCullDistanceEXT);
+        map["GL_APPLE_clip_distance"] = enableableExtension(&Extensions::clipDistanceAPPLE);
+        map["GL_EXT_color_buffer_float"] = enableableExtension(&Extensions::colorBufferFloatEXT);
+        map["GL_EXT_color_buffer_half_float"] = enableableExtension(&Extensions::colorBufferHalfFloatEXT);
+        map["GL_OES_compressed_EAC_R11_signed_texture"] = enableableExtension(&Extensions::compressedEACR11SignedTextureOES);
+        map["GL_OES_compressed_EAC_R11_unsigned_texture"] = enableableExtension(&Extensions::compressedEACR11UnsignedTextureOES);
+        map["GL_OES_compressed_EAC_RG11_signed_texture"] = enableableExtension(&Extensions::compressedEACRG11SignedTextureOES);
+        map["GL_OES_compressed_EAC_RG11_unsigned_texture"] = enableableExtension(&Extensions::compressedEACRG11UnsignedTextureOES);
+        map["GL_EXT_compressed_ETC1_RGB8_sub_texture"] = enableableExtension(&Extensions::compressedETC1RGB8SubTextureEXT);
+        map["GL_OES_compressed_ETC1_RGB8_texture"] = enableableExtension(&Extensions::compressedETC1RGB8TextureOES);
+        map["GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture"] = enableableExtension(&Extensions::compressedETC2PunchthroughARGBA8TextureOES);
+        map["GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture"] = enableableExtension(&Extensions::compressedETC2PunchthroughASRGB8AlphaTextureOES);
+        map["GL_OES_compressed_ETC2_RGB8_texture"] = enableableExtension(&Extensions::compressedETC2RGB8TextureOES);
+        map["GL_OES_compressed_ETC2_RGBA8_texture"] = enableableExtension(&Extensions::compressedETC2RGBA8TextureOES);
+        map["GL_OES_compressed_ETC2_sRGB8_alpha8_texture"] = enableableExtension(&Extensions::compressedETC2SRGB8Alpha8TextureOES);
+        map["GL_OES_compressed_ETC2_sRGB8_texture"] = enableableExtension(&Extensions::compressedETC2SRGB8TextureOES);
+        map["GL_OES_compressed_paletted_texture"] = enableableExtension(&Extensions::compressedPalettedTextureOES);
+        map["GL_EXT_copy_image"] = enableableExtension(&Extensions::copyImageEXT);
+        map["GL_OES_copy_image"] = enableableExtension(&Extensions::copyImageOES);
+        map["GL_KHR_debug"] = esOnlyExtension(&Extensions::debugKHR);
+        map["GL_EXT_debug_label"] = esOnlyExtension(&Extensions::debugLabelEXT);
+        map["GL_EXT_debug_marker"] = esOnlyExtension(&Extensions::debugMarkerEXT);
+        map["GL_OES_depth24"] = esOnlyExtension(&Extensions::depth24OES);
+        map["GL_OES_depth32"] = esOnlyExtension(&Extensions::depth32OES);
+        map["GL_NV_depth_buffer_float2"] = enableableExtension(&Extensions::depthBufferFloat2NV);
+        map["GL_ANGLE_depth_texture"] = esOnlyExtension(&Extensions::depthTextureANGLE);
+        map["GL_OES_depth_texture"] = esOnlyExtension(&Extensions::depthTextureOES);
+        map["GL_OES_depth_texture_cube_map"] = enableableExtension(&Extensions::depthTextureCubeMapOES);
+        map["GL_EXT_discard_framebuffer"] = esOnlyExtension(&Extensions::discardFramebufferEXT);
+        map["GL_EXT_disjoint_timer_query"] = enableableExtension(&Extensions::disjointTimerQueryEXT);
+        map["GL_EXT_draw_buffers"] = enableableExtension(&Extensions::drawBuffersEXT);
+        map["GL_EXT_draw_buffers_indexed"] = enableableExtension(&Extensions::drawBuffersIndexedEXT);
+        map["GL_OES_draw_buffers_indexed"] = enableableExtension(&Extensions::drawBuffersIndexedOES);
+        map["GL_EXT_draw_elements_base_vertex"] = enableableExtension(&Extensions::drawElementsBaseVertexEXT);
+        map["GL_OES_draw_elements_base_vertex"] = enableableExtension(&Extensions::drawElementsBaseVertexOES);
+        map["GL_OES_EGL_image"] = enableableExtension(&Extensions::EGLImageOES);
+        map["GL_EXT_EGL_image_array"] = enableableExtension(&Extensions::EGLImageArrayEXT);
+        map["GL_OES_EGL_image_external"] = enableableExtension(&Extensions::EGLImageExternalOES);
+        map["GL_OES_EGL_image_external_essl3"] = enableableExtension(&Extensions::EGLImageExternalEssl3OES);
+        map["GL_EXT_EGL_image_external_wrap_modes"] = enableableExtension(&Extensions::EGLImageExternalWrapModesEXT);
+        map["GL_EXT_EGL_image_storage"] = enableableExtension(&Extensions::EGLImageStorageEXT);
+        map["GL_NV_EGL_stream_consumer_external"] = enableableExtension(&Extensions::EGLStreamConsumerExternalNV);
+        map["GL_OES_EGL_sync"] = esOnlyExtension(&Extensions::EGLSyncOES);
+        map["GL_OES_element_index_uint"] = enableableExtension(&Extensions::elementIndexUintOES);
+        map["GL_ANDROID_extension_pack_es31a"] = esOnlyExtension(&Extensions::extensionPackEs31aANDROID);
+        map["GL_EXT_external_buffer"] = enableableExtension(&Extensions::externalBufferEXT);
+        map["GL_OES_fbo_render_mipmap"] = enableableExtension(&Extensions::fboRenderMipmapOES);
+        map["GL_NV_fence"] = esOnlyExtension(&Extensions::fenceNV);
+        map["GL_EXT_float_blend"] = enableableExtension(&Extensions::floatBlendEXT);
+        map["GL_EXT_frag_depth"] = enableableExtension(&Extensions::fragDepthEXT);
+        map["GL_ANGLE_framebuffer_blit"] = enableableExtension(&Extensions::framebufferBlitANGLE);
+        map["GL_NV_framebuffer_blit"] = enableableExtension(&Extensions::framebufferBlitNV);
+        map["GL_MESA_framebuffer_flip_y"] = enableableExtension(&Extensions::framebufferFlipYMESA);
+        map["GL_EXT_geometry_shader"] = enableableExtension(&Extensions::geometryShaderEXT);
+        map["GL_OES_geometry_shader"] = enableableExtension(&Extensions::geometryShaderOES);
+        map["GL_OES_get_program_binary"] = enableableExtension(&Extensions::getProgramBinaryOES);
+        map["GL_EXT_gpu_shader5"] = enableableExtension(&Extensions::gpuShader5EXT);
+        map["GL_ANGLE_instanced_arrays"] = enableableExtension(&Extensions::instancedArraysANGLE);
+        map["GL_EXT_instanced_arrays"] = enableableExtension(&Extensions::instancedArraysEXT);
+        map["GL_OES_mapbuffer"] = enableableExtension(&Extensions::mapbufferOES);
+        map["GL_EXT_map_buffer_range"] = enableableExtension(&Extensions::mapBufferRangeEXT);
+        map["GL_EXT_memory_object"] = enableableExtension(&Extensions::memoryObjectEXT);
+        map["GL_EXT_memory_object_fd"] = enableableExtension(&Extensions::memoryObjectFdEXT);
+        map["GL_EXT_multi_draw_indirect"] = enableableExtension(&Extensions::multiDrawIndirectEXT);
+        map["GL_EXT_multisample_compatibility"] = esOnlyExtension(&Extensions::multisampleCompatibilityEXT);
+        map["GL_EXT_multisampled_render_to_texture"] = enableableExtension(&Extensions::multisampledRenderToTextureEXT);
+        map["GL_EXT_multisampled_render_to_texture2"] = enableableExtension(&Extensions::multisampledRenderToTexture2EXT);
+        map["GL_OVR_multiview"] = enableableExtension(&Extensions::multiviewOVR);
+        map["GL_OVR_multiview2"] = enableableExtension(&Extensions::multiview2OVR);
+        map["GL_KHR_no_error"] = esOnlyExtension(&Extensions::noErrorKHR);
+        map["GL_EXT_occlusion_query_boolean"] = enableableExtension(&Extensions::occlusionQueryBooleanEXT);
+        map["GL_OES_packed_depth_stencil"] = esOnlyExtension(&Extensions::packedDepthStencilOES);
+        map["GL_ANGLE_pack_reverse_row_order"] = enableableExtension(&Extensions::packReverseRowOrderANGLE);
+        map["GL_NV_pack_subimage"] = enableableExtension(&Extensions::packSubimageNV);
+        map["GL_KHR_parallel_shader_compile"] = enableableExtension(&Extensions::parallelShaderCompileKHR);
+        map["GL_AMD_performance_monitor"] = esOnlyExtension(&Extensions::performanceMonitorAMD);
+        map["GL_NV_pixel_buffer_object"] = enableableExtension(&Extensions::pixelBufferObjectNV);
+        map["GL_EXT_primitive_bounding_box"] = esOnlyExtension(&Extensions::primitiveBoundingBoxEXT);
+        map["GL_OES_primitive_bounding_box"] = esOnlyExtension(&Extensions::primitiveBoundingBoxOES);
+        map["GL_EXT_protected_textures"] = enableableExtension(&Extensions::protectedTexturesEXT);
+        map["GL_EXT_pvrtc_sRGB"] = enableableExtension(&Extensions::pvrtcSRGBEXT);
+        map["GL_NV_read_depth"] = enableableExtension(&Extensions::readDepthNV);
+        map["GL_NV_read_depth_stencil"] = enableableExtension(&Extensions::readDepthStencilNV);
+        map["GL_EXT_read_format_bgra"] = enableableExtension(&Extensions::readFormatBgraEXT);
+        map["GL_NV_read_stencil"] = enableableExtension(&Extensions::readStencilNV);
+        map["GL_OES_rgb8_rgba8"] = enableableExtension(&Extensions::rgb8Rgba8OES);
+        map["GL_KHR_robust_buffer_access_behavior"] = esOnlyExtension(&Extensions::robustBufferAccessBehaviorKHR);
+        map["GL_EXT_robustness"] = esOnlyExtension(&Extensions::robustnessEXT);
+        map["GL_NV_robustness_video_memory_purge"] = esOnlyExtension(&Extensions::robustnessVideoMemoryPurgeNV);
+        map["GL_OES_sample_shading"] = enableableExtension(&Extensions::sampleShadingOES);
+        map["GL_OES_sample_variables"] = enableableExtension(&Extensions::sampleVariablesOES);
+        map["GL_EXT_semaphore"] = enableableExtension(&Extensions::semaphoreEXT);
+        map["GL_EXT_semaphore_fd"] = enableableExtension(&Extensions::semaphoreFdEXT);
+        map["GL_EXT_separate_shader_objects"] = enableableExtension(&Extensions::separateShaderObjectsEXT);
+        map["GL_EXT_shader_framebuffer_fetch"] = enableableExtension(&Extensions::shaderFramebufferFetchEXT);
+        map["GL_EXT_shader_framebuffer_fetch_non_coherent"] = enableableExtension(&Extensions::shaderFramebufferFetchNonCoherentEXT);
+        map["GL_OES_shader_image_atomic"] = enableableExtension(&Extensions::shaderImageAtomicOES);
+        map["GL_EXT_shader_io_blocks"] = enableableExtension(&Extensions::shaderIoBlocksEXT);
+        map["GL_OES_shader_io_blocks"] = enableableExtension(&Extensions::shaderIoBlocksOES);
+        map["GL_OES_shader_multisample_interpolation"] = enableableExtension(&Extensions::shaderMultisampleInterpolationOES);
+        map["GL_EXT_shader_non_constant_global_initializers"] = enableableExtension(&Extensions::shaderNonConstantGlobalInitializersEXT);
+        map["GL_NV_shader_noperspective_interpolation"] = enableableExtension(&Extensions::shaderNoperspectiveInterpolationNV);
+        map["GL_EXT_shader_texture_lod"] = enableableExtension(&Extensions::shaderTextureLodEXT);
+        map["GL_QCOM_shading_rate"] = enableableExtension(&Extensions::shadingRateQCOM);
+        map["GL_EXT_shadow_samplers"] = enableableExtension(&Extensions::shadowSamplersEXT);
+        map["GL_EXT_sRGB"] = enableableExtension(&Extensions::sRGBEXT);
+        map["GL_EXT_sRGB_write_control"] = esOnlyExtension(&Extensions::sRGBWriteControlEXT);
+        map["GL_OES_standard_derivatives"] = enableableExtension(&Extensions::standardDerivativesOES);
+        map["GL_OES_surfaceless_context"] = esOnlyExtension(&Extensions::surfacelessContextOES);
+        map["GL_ARB_sync"] = enableableExtension(&Extensions::syncARB);
+        map["GL_EXT_tessellation_shader"] = enableableExtension(&Extensions::tessellationShaderEXT);
+        map["GL_OES_texture_3D"] = enableableExtension(&Extensions::texture3DOES);
+        map["GL_EXT_texture_border_clamp"] = enableableExtension(&Extensions::textureBorderClampEXT);
+        map["GL_OES_texture_border_clamp"] = enableableExtension(&Extensions::textureBorderClampOES);
+        map["GL_EXT_texture_buffer"] = enableableExtension(&Extensions::textureBufferEXT);
+        map["GL_OES_texture_buffer"] = enableableExtension(&Extensions::textureBufferOES);
+        map["GL_OES_texture_compression_astc"] = enableableExtension(&Extensions::textureCompressionAstcOES);
+        map["GL_KHR_texture_compression_astc_hdr"] = enableableExtension(&Extensions::textureCompressionAstcHdrKHR);
+        map["GL_KHR_texture_compression_astc_ldr"] = enableableExtension(&Extensions::textureCompressionAstcLdrKHR);
+        map["GL_KHR_texture_compression_astc_sliced_3d"] = enableableExtension(&Extensions::textureCompressionAstcSliced3dKHR);
+        map["GL_EXT_texture_compression_bptc"] = enableableExtension(&Extensions::textureCompressionBptcEXT);
+        map["GL_EXT_texture_compression_dxt1"] = enableableExtension(&Extensions::textureCompressionDxt1EXT);
+        map["GL_IMG_texture_compression_pvrtc"] = enableableExtension(&Extensions::textureCompressionPvrtcIMG);
+        map["GL_IMG_texture_compression_pvrtc2"] = enableableExtension(&Extensions::textureCompressionPvrtc2IMG);
+        map["GL_EXT_texture_compression_rgtc"] = enableableExtension(&Extensions::textureCompressionRgtcEXT);
+        map["GL_EXT_texture_compression_s3tc"] = enableableExtension(&Extensions::textureCompressionS3tcEXT);
+        map["GL_EXT_texture_compression_s3tc_srgb"] = enableableExtension(&Extensions::textureCompressionS3tcSrgbEXT);
+        map["GL_EXT_texture_cube_map_array"] = enableableExtension(&Extensions::textureCubeMapArrayEXT);
+        map["GL_OES_texture_cube_map_array"] = enableableExtension(&Extensions::textureCubeMapArrayOES);
+        map["GL_EXT_texture_filter_anisotropic"] = enableableExtension(&Extensions::textureFilterAnisotropicEXT);
+        map["GL_OES_texture_float"] = enableableExtension(&Extensions::textureFloatOES);
+        map["GL_OES_texture_float_linear"] = enableableExtension(&Extensions::textureFloatLinearOES);
+        map["GL_EXT_texture_format_BGRA8888"] = enableableExtension(&Extensions::textureFormatBGRA8888EXT);
+        map["GL_EXT_texture_format_sRGB_override"] = esOnlyExtension(&Extensions::textureFormatSRGBOverrideEXT);
+        map["GL_OES_texture_half_float"] = enableableExtension(&Extensions::textureHalfFloatOES);
+        map["GL_OES_texture_half_float_linear"] = enableableExtension(&Extensions::textureHalfFloatLinearOES);
+        map["GL_EXT_texture_norm16"] = enableableExtension(&Extensions::textureNorm16EXT);
+        map["GL_OES_texture_npot"] = enableableExtension(&Extensions::textureNpotOES);
+        map["GL_EXT_texture_rg"] = enableableExtension(&Extensions::textureRgEXT);
+        map["GL_EXT_texture_sRGB_decode"] = esOnlyExtension(&Extensions::textureSRGBDecodeEXT);
+        map["GL_EXT_texture_sRGB_R8"] = enableableExtension(&Extensions::textureSRGBR8EXT);
+        map["GL_EXT_texture_sRGB_RG8"] = enableableExtension(&Extensions::textureSRGBRG8EXT);
+        map["GL_OES_texture_stencil8"] = enableableExtension(&Extensions::textureStencil8OES);
+        map["GL_EXT_texture_storage"] = enableableExtension(&Extensions::textureStorageEXT);
+        map["GL_OES_texture_storage_multisample_2d_array"] = enableableExtension(&Extensions::textureStorageMultisample2dArrayOES);
+        map["GL_EXT_texture_type_2_10_10_10_REV"] = enableableExtension(&Extensions::textureType2101010REVEXT);
+        map["GL_ANGLE_texture_usage"] = enableableExtension(&Extensions::textureUsageANGLE);
+        map["GL_ANGLE_translated_shader_source"] = esOnlyExtension(&Extensions::translatedShaderSourceANGLE);
+        map["GL_EXT_unpack_subimage"] = enableableExtension(&Extensions::unpackSubimageEXT);
+        map["GL_OES_vertex_array_object"] = enableableExtension(&Extensions::vertexArrayObjectOES);
+        map["GL_OES_vertex_half_float"] = enableableExtension(&Extensions::vertexHalfFloatOES);
+        map["GL_OES_vertex_type_10_10_10_2"] = enableableExtension(&Extensions::vertexType1010102OES);
+        map["GL_WEBGL_video_texture"] = enableableExtension(&Extensions::videoTextureWEBGL);
+        map["GL_EXT_YUV_target"] = enableableExtension(&Extensions::YUVTargetEXT);
+
+        // ANGLE unofficial extension strings
+        // ----------------------------------
+        map["GL_ANGLE_base_vertex_base_instance"] = enableableExtension(&Extensions::baseVertexBaseInstanceANGLE);
+        map["GL_ANGLE_base_vertex_base_instance_shader_builtin"] = enableableExtension(&Extensions::baseVertexBaseInstanceShaderBuiltinANGLE);
+        map["GL_CHROMIUM_bind_generates_resource"] = esOnlyExtension(&Extensions::bindGeneratesResourceCHROMIUM);
+        map["GL_CHROMIUM_bind_uniform_location"] = esOnlyExtension(&Extensions::bindUniformLocationCHROMIUM);
+        map["GL_ANGLE_client_arrays"] = esOnlyExtension(&Extensions::clientArraysANGLE);
+        map["GL_CHROMIUM_color_buffer_float_rgb"] = enableableExtension(&Extensions::colorBufferFloatRgbCHROMIUM);
+        map["GL_CHROMIUM_color_buffer_float_rgba"] = enableableExtension(&Extensions::colorBufferFloatRgbaCHROMIUM);
+        map["GL_ANGLE_compressed_texture_etc"] = enableableExtension(&Extensions::compressedTextureEtcANGLE);
+        map["GL_CHROMIUM_copy_compressed_texture"] = esOnlyExtension(&Extensions::copyCompressedTextureCHROMIUM);
+        map["GL_CHROMIUM_copy_texture"] = esOnlyExtension(&Extensions::copyTextureCHROMIUM);
+        map["GL_ANGLE_copy_texture_3d"] = enableableExtension(&Extensions::copyTexture3dANGLE);
+        map["GL_CHROMIUM_framebuffer_mixed_samples"] = esOnlyExtension(&Extensions::framebufferMixedSamplesCHROMIUM);
+        map["GL_ANGLE_framebuffer_multisample"] = enableableExtension(&Extensions::framebufferMultisampleANGLE);
+        map["GL_ANGLE_get_image"] = enableableExtension(&Extensions::getImageANGLE);
+        map["GL_ANGLE_get_serialized_context_string"] = esOnlyExtension(&Extensions::getSerializedContextStringANGLE);
+        map["GL_ANGLE_get_tex_level_parameter"] = enableableExtension(&Extensions::getTexLevelParameterANGLE);
+        map["GL_ANGLE_logic_op"] = enableableExtension(&Extensions::logicOpANGLE);
+        map["GL_CHROMIUM_lose_context"] = enableableExtension(&Extensions::loseContextCHROMIUM);
+        map["GL_ANGLE_lossy_etc_decode"] = enableableExtension(&Extensions::lossyEtcDecodeANGLE);
+        map["GL_ANGLE_memory_object_flags"] = enableableExtension(&Extensions::memoryObjectFlagsANGLE);
+        map["GL_ANGLE_memory_object_fuchsia"] = enableableExtension(&Extensions::memoryObjectFuchsiaANGLE);
+        map["GL_ANGLE_memory_size"] = enableableExtension(&Extensions::memorySizeANGLE);
+        map["GL_ANGLE_multi_draw"] = enableableExtension(&Extensions::multiDrawANGLE);
+        map["GL_ANGLE_multiview_multisample"] = enableableExtension(&Extensions::multiviewMultisampleANGLE);
+        map["GL_ANGLE_program_binary"] = esOnlyExtension(&Extensions::programBinaryANGLE);
+        map["GL_ANGLE_program_cache_control"] = esOnlyExtension(&Extensions::programCacheControlANGLE);
+        map["GL_ANGLE_provoking_vertex"] = enableableExtension(&Extensions::provokingVertexANGLE);
+        map["GL_ANGLE_read_only_depth_stencil_feedback_loops"] = enableableExtension(&Extensions::readOnlyDepthStencilFeedbackLoopsANGLE);
+        map["GL_ANGLE_relaxed_vertex_attribute_type"] = esOnlyExtension(&Extensions::relaxedVertexAttributeTypeANGLE);
+        map["GL_ANGLE_request_extension"] = esOnlyExtension(&Extensions::requestExtensionANGLE);
+        map["GL_ANGLE_rgbx_internal_format"] = esOnlyExtension(&Extensions::rgbxInternalFormatANGLE);
+        map["GL_ANGLE_robust_client_memory"] = esOnlyExtension(&Extensions::robustClientMemoryANGLE);
+        map["GL_ANGLE_robust_fragment_shader_output"] = enableableExtension(&Extensions::robustFragmentShaderOutputANGLE);
+        map["GL_ANGLE_robust_resource_initialization"] = esOnlyExtension(&Extensions::robustResourceInitializationANGLE);
+        map["GL_ANGLE_semaphore_fuchsia"] = enableableExtension(&Extensions::semaphoreFuchsiaANGLE);
+        map["GL_ANGLE_shader_pixel_local_storage"] = esOnlyExtension(&Extensions::shaderPixelLocalStorageANGLE);
+        map["GL_ANGLE_shader_pixel_local_storage_coherent"] = esOnlyExtension(&Extensions::shaderPixelLocalStorageCoherentANGLE);
+        map["GL_CHROMIUM_sync_query"] = enableableExtension(&Extensions::syncQueryCHROMIUM);
+        map["GL_ANGLE_texture_compression_dxt3"] = enableableExtension(&Extensions::textureCompressionDxt3ANGLE);
+        map["GL_ANGLE_texture_compression_dxt5"] = enableableExtension(&Extensions::textureCompressionDxt5ANGLE);
+        map["GL_ANGLE_texture_external_update"] = enableableExtension(&Extensions::textureExternalUpdateANGLE);
+        map["GL_CHROMIUM_texture_filtering_hint"] = enableableExtension(&Extensions::textureFilteringHintCHROMIUM);
+        map["GL_ANGLE_texture_multisample"] = enableableExtension(&Extensions::textureMultisampleANGLE);
+        map["GL_ANGLE_texture_rectangle"] = enableableDisablableExtension(&Extensions::textureRectangleANGLE);
+        map["GL_ANGLE_vulkan_image"] = enableableExtension(&Extensions::vulkanImageANGLE);
+        map["GL_ANGLE_webgl_compatibility"] = esOnlyExtension(&Extensions::webglCompatibilityANGLE);
+        map["GL_ANGLE_yuv_internal_format"] = enableableExtension(&Extensions::yuvInternalFormatANGLE);
+
+        // GLES 1.0 and 1.1 extension strings
+        // ----------------------------------
+        map["GL_OES_draw_texture"] = enableableExtension(&Extensions::drawTextureOES);
+        map["GL_OES_framebuffer_object"] = enableableExtension(&Extensions::framebufferObjectOES);
+        map["GL_OES_matrix_palette"] = enableableExtension(&Extensions::matrixPaletteOES);
+        map["GL_OES_point_size_array"] = enableableExtension(&Extensions::pointSizeArrayOES);
+        map["GL_OES_point_sprite"] = enableableExtension(&Extensions::pointSpriteOES);
+        map["GL_OES_query_matrix"] = enableableExtension(&Extensions::queryMatrixOES);
+        map["GL_OES_texture_cube_map"] = enableableExtension(&Extensions::textureCubeMapOES);
+        // clang-format on
+
+#if defined(ANGLE_ENABLE_ASSERTS)
+        // Verify all extension strings start with GL_
+        for (const auto &extension : map)
+        {
+            ASSERT(extension.first.rfind("GL_", 0) == 0);
+        }
+#endif
+
+        return map;
+    };
+
+    static const angle::base::NoDestructor<ExtensionInfoMap> extensionInfo(buildExtensionInfoMap());
+    return *extensionInfo;
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/gles_extensions_autogen.h b/gfx/angle/checkout/src/libANGLE/gles_extensions_autogen.h
new file mode 100644
index 0000000000..00994189a3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/gles_extensions_autogen.h
@@ -0,0 +1,727 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_extensions.py using data from registry_xml.py and gl.xml
+//
+// Copyright 2021 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// gles_extensions_autogen.h: GLES extension information.
+
+#ifndef LIBANGLE_GLES_EXTENSIONS_AUTOGEN_H_
+#define LIBANGLE_GLES_EXTENSIONS_AUTOGEN_H_
+
+namespace gl
+{
+class TextureCapsMap;
+
+struct Extensions
+{
+    Extensions();
+    Extensions(const Extensions &other);
+
+    Extensions &operator=(const Extensions &other);
+
+    // Generate a vector of supported extension strings
+    std::vector<std::string> getStrings() const;
+
+    // Set all texture related extension support based on the supported textures.
+    // Determines support for:
+    // GL_OES_packed_depth_stencil
+    // GL_OES_rgb8_rgba8
+    // GL_EXT_texture_format_BGRA8888
+    // GL_EXT_color_buffer_half_float,
+    // GL_OES_texture_half_float, GL_OES_texture_half_float_linear
+    // GL_OES_texture_float, GL_OES_texture_float_linear
+    // GL_EXT_texture_rg
+    // GL_EXT_texture_type_2_10_10_10_REV
+    // GL_EXT_texture_compression_dxt1, GL_ANGLE_texture_compression_dxt3,
+    // GL_ANGLE_texture_compression_dxt5
+    // GL_KHR_texture_compression_astc_ldr, GL_OES_texture_compression_astc.
+    //     NOTE: GL_KHR_texture_compression_astc_hdr must be enabled separately. Support for the
+    //           HDR profile cannot be determined from the format enums alone.
+    // GL_OES_compressed_ETC1_RGB8_texture
+    // GL_EXT_sRGB
+    // GL_ANGLE_depth_texture, GL_OES_depth32
+    // GL_EXT_color_buffer_float
+    // GL_EXT_texture_norm16
+    // GL_EXT_texture_compression_bptc
+    // GL_EXT_texture_compression_rgtc
+    void setTextureExtensionSupport(const TextureCapsMap &textureCaps);
+
+    // Helper functions
+    bool copyImageAny() const { return (copyImageEXT || copyImageOES); }
+    bool depthTextureAny() const { return (depthTextureANGLE || depthTextureOES); }
+    bool drawBuffersIndexedAny() const { return (drawBuffersIndexedEXT || drawBuffersIndexedOES); }
+    bool drawElementsBaseVertexAny() const
+    {
+        return (drawElementsBaseVertexEXT || drawElementsBaseVertexOES);
+    }
+    bool framebufferBlitAny() const { return (framebufferBlitANGLE || framebufferBlitNV); }
+    bool geometryShaderAny() const { return (geometryShaderEXT || geometryShaderOES); }
+    bool instancedArraysAny() const { return (instancedArraysANGLE || instancedArraysEXT); }
+    bool primitiveBoundingBoxAny() const
+    {
+        return (primitiveBoundingBoxEXT || primitiveBoundingBoxOES);
+    }
+    bool shaderIoBlocksAny() const { return (shaderIoBlocksEXT || shaderIoBlocksOES); }
+    bool textureBorderClampAny() const { return (textureBorderClampEXT || textureBorderClampOES); }
+    bool textureBufferAny() const { return (textureBufferEXT || textureBufferOES); }
+    bool textureCubeMapArrayAny() const
+    {
+        return (textureCubeMapArrayEXT || textureCubeMapArrayOES);
+    }
+
+    // GLES 2.0+ extensions
+    // --------------------
+
+    // GL_EXT_base_instance
+    bool baseInstanceEXT = false;
+
+    // GL_KHR_blend_equation_advanced
+    bool blendEquationAdvancedKHR = false;
+
+    // GL_EXT_blend_func_extended
+    bool blendFuncExtendedEXT = false;
+
+    // GL_EXT_blend_minmax
+    bool blendMinmaxEXT = false;
+
+    // GL_EXT_buffer_storage
+    bool bufferStorageEXT = false;
+
+    // GL_EXT_clip_control
+    bool clipControlEXT = false;
+
+    // GL_EXT_clip_cull_distance
+    bool clipCullDistanceEXT = false;
+
+    // GL_APPLE_clip_distance
+    bool clipDistanceAPPLE = false;
+
+    // GL_EXT_color_buffer_float
+    bool colorBufferFloatEXT = false;
+
+    // GL_EXT_color_buffer_half_float
+    bool colorBufferHalfFloatEXT = false;
+
+    // GL_OES_compressed_EAC_R11_signed_texture
+    bool compressedEACR11SignedTextureOES = false;
+
+    // GL_OES_compressed_EAC_R11_unsigned_texture
+    bool compressedEACR11UnsignedTextureOES = false;
+
+    // GL_OES_compressed_EAC_RG11_signed_texture
+    bool compressedEACRG11SignedTextureOES = false;
+
+    // GL_OES_compressed_EAC_RG11_unsigned_texture
+    bool compressedEACRG11UnsignedTextureOES = false;
+
+    // GL_EXT_compressed_ETC1_RGB8_sub_texture
+    bool compressedETC1RGB8SubTextureEXT = false;
+
+    // GL_OES_compressed_ETC1_RGB8_texture
+    bool compressedETC1RGB8TextureOES = false;
+
+    // GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture
+    bool compressedETC2PunchthroughARGBA8TextureOES = false;
+
+    // GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture
+    bool compressedETC2PunchthroughASRGB8AlphaTextureOES = false;
+
+    // GL_OES_compressed_ETC2_RGB8_texture
+    bool compressedETC2RGB8TextureOES = false;
+
+    // GL_OES_compressed_ETC2_RGBA8_texture
+    bool compressedETC2RGBA8TextureOES = false;
+
+    // GL_OES_compressed_ETC2_sRGB8_alpha8_texture
+    bool compressedETC2SRGB8Alpha8TextureOES = false;
+
+    // GL_OES_compressed_ETC2_sRGB8_texture
+    bool compressedETC2SRGB8TextureOES = false;
+
+    // GL_OES_compressed_paletted_texture
+    bool compressedPalettedTextureOES = false;
+
+    // GL_EXT_copy_image
+    bool copyImageEXT = false;
+
+    // GL_OES_copy_image
+    bool copyImageOES = false;
+
+    // GL_KHR_debug
+    bool debugKHR = false;
+
+    // GL_EXT_debug_label
+    bool debugLabelEXT = false;
+
+    // GL_EXT_debug_marker
+    bool debugMarkerEXT = false;
+
+    // GL_OES_depth24
+    bool depth24OES = false;
+
+    // GL_OES_depth32
+    bool depth32OES = false;
+
+    // GL_NV_depth_buffer_float2
+    bool depthBufferFloat2NV = false;
+
+    // GL_ANGLE_depth_texture
+    bool depthTextureANGLE = false;
+
+    // GL_OES_depth_texture
+    bool depthTextureOES = false;
+
+    // GL_OES_depth_texture_cube_map
+    bool depthTextureCubeMapOES = false;
+
+    // GL_EXT_discard_framebuffer
+    bool discardFramebufferEXT = false;
+
+    // GL_EXT_disjoint_timer_query
+    bool disjointTimerQueryEXT = false;
+
+    // GL_EXT_draw_buffers
+    bool drawBuffersEXT = false;
+
+    // GL_EXT_draw_buffers_indexed
+    bool drawBuffersIndexedEXT = false;
+
+    // GL_OES_draw_buffers_indexed
+    bool drawBuffersIndexedOES = false;
+
+    // GL_EXT_draw_elements_base_vertex
+    bool drawElementsBaseVertexEXT = false;
+
+    // GL_OES_draw_elements_base_vertex
+    bool drawElementsBaseVertexOES = false;
+
+    // GL_OES_EGL_image
+    bool EGLImageOES = false;
+
+    // GL_EXT_EGL_image_array
+    bool EGLImageArrayEXT = false;
+
+    // GL_OES_EGL_image_external
+    bool EGLImageExternalOES = false;
+
+    // GL_OES_EGL_image_external_essl3
+    bool EGLImageExternalEssl3OES = false;
+
+    // GL_EXT_EGL_image_external_wrap_modes
+    bool EGLImageExternalWrapModesEXT = false;
+
+    // GL_EXT_EGL_image_storage
+    bool EGLImageStorageEXT = false;
+
+    // GL_NV_EGL_stream_consumer_external
+    bool EGLStreamConsumerExternalNV = false;
+
+    // GL_OES_EGL_sync
+    bool EGLSyncOES = false;
+
+    // GL_OES_element_index_uint
+    bool elementIndexUintOES = false;
+
+    // GL_ANDROID_extension_pack_es31a
+    bool extensionPackEs31aANDROID = false;
+
+    // GL_EXT_external_buffer
+    bool externalBufferEXT = false;
+
+    // GL_OES_fbo_render_mipmap
+    bool fboRenderMipmapOES = false;
+
+    // GL_NV_fence
+    bool fenceNV = false;
+
+    // GL_EXT_float_blend
+    bool floatBlendEXT = false;
+
+    // GL_EXT_frag_depth
+    bool fragDepthEXT = false;
+
+    // GL_ANGLE_framebuffer_blit
+    bool framebufferBlitANGLE = false;
+
+    // GL_NV_framebuffer_blit
+    bool framebufferBlitNV = false;
+
+    // GL_MESA_framebuffer_flip_y
+    bool framebufferFlipYMESA = false;
+
+    // GL_EXT_geometry_shader
+    bool geometryShaderEXT = false;
+
+    // GL_OES_geometry_shader
+    bool geometryShaderOES = false;
+
+    // GL_OES_get_program_binary
+    bool getProgramBinaryOES = false;
+
+    // GL_EXT_gpu_shader5
+    bool gpuShader5EXT = false;
+
+    // GL_ANGLE_instanced_arrays
+    bool instancedArraysANGLE = false;
+
+    // GL_EXT_instanced_arrays
+    bool instancedArraysEXT = false;
+
+    // GL_OES_mapbuffer
+    bool mapbufferOES = false;
+
+    // GL_EXT_map_buffer_range
+    bool mapBufferRangeEXT = false;
+
+    // GL_EXT_memory_object
+    bool memoryObjectEXT = false;
+
+    // GL_EXT_memory_object_fd
+    bool memoryObjectFdEXT = false;
+
+    // GL_EXT_multi_draw_indirect
+    bool multiDrawIndirectEXT = false;
+
+    // GL_EXT_multisample_compatibility
+    bool multisampleCompatibilityEXT = false;
+
+    // GL_EXT_multisampled_render_to_texture
+    bool multisampledRenderToTextureEXT = false;
+
+    // GL_EXT_multisampled_render_to_texture2
+    bool multisampledRenderToTexture2EXT = false;
+
+    // GL_OVR_multiview
+    bool multiviewOVR = false;
+
+    // GL_OVR_multiview2
+    bool multiview2OVR = false;
+
+    // GL_KHR_no_error
+    bool noErrorKHR = false;
+
+    // GL_EXT_occlusion_query_boolean
+    bool occlusionQueryBooleanEXT = false;
+
+    // GL_OES_packed_depth_stencil
+    bool packedDepthStencilOES = false;
+
+    // GL_ANGLE_pack_reverse_row_order
+    bool packReverseRowOrderANGLE = false;
+
+    // GL_NV_pack_subimage
+    bool packSubimageNV = false;
+
+    // GL_KHR_parallel_shader_compile
+    bool parallelShaderCompileKHR = false;
+
+    // GL_AMD_performance_monitor
+    bool performanceMonitorAMD = false;
+
+    // GL_NV_pixel_buffer_object
+    bool pixelBufferObjectNV = false;
+
+    // GL_EXT_primitive_bounding_box
+    bool primitiveBoundingBoxEXT = false;
+
+    // GL_OES_primitive_bounding_box
+    bool primitiveBoundingBoxOES = false;
+
+    // GL_EXT_protected_textures
+    bool protectedTexturesEXT = false;
+
+    // GL_EXT_pvrtc_sRGB
+    bool pvrtcSRGBEXT = false;
+
+    // GL_NV_read_depth
+    bool readDepthNV = false;
+
+    // GL_NV_read_depth_stencil
+    bool readDepthStencilNV = false;
+
+    // GL_EXT_read_format_bgra
+    bool readFormatBgraEXT = false;
+
+    // GL_NV_read_stencil
+    bool readStencilNV = false;
+
+    // GL_OES_rgb8_rgba8
+    bool rgb8Rgba8OES = false;
+
+    // GL_KHR_robust_buffer_access_behavior
+    bool robustBufferAccessBehaviorKHR = false;
+
+    // GL_EXT_robustness
+    bool robustnessEXT = false;
+
+    // GL_NV_robustness_video_memory_purge
+    bool robustnessVideoMemoryPurgeNV = false;
+
+    // GL_OES_sample_shading
+    bool sampleShadingOES = false;
+
+    // GL_OES_sample_variables
+    bool sampleVariablesOES = false;
+
+    // GL_EXT_semaphore
+    bool semaphoreEXT = false;
+
+    // GL_EXT_semaphore_fd
+    bool semaphoreFdEXT = false;
+
+    // GL_EXT_separate_shader_objects
+    bool separateShaderObjectsEXT = false;
+
+    // GL_EXT_shader_framebuffer_fetch
+    bool shaderFramebufferFetchEXT = false;
+
+    // GL_EXT_shader_framebuffer_fetch_non_coherent
+    bool shaderFramebufferFetchNonCoherentEXT = false;
+
+    // GL_OES_shader_image_atomic
+    bool shaderImageAtomicOES = false;
+
+    // GL_EXT_shader_io_blocks
+    bool shaderIoBlocksEXT = false;
+
+    // GL_OES_shader_io_blocks
+    bool shaderIoBlocksOES = false;
+
+    // GL_OES_shader_multisample_interpolation
+    bool shaderMultisampleInterpolationOES = false;
+
+    // GL_EXT_shader_non_constant_global_initializers
+    bool shaderNonConstantGlobalInitializersEXT = false;
+
+    // GL_NV_shader_noperspective_interpolation
+    bool shaderNoperspectiveInterpolationNV = false;
+
+    // GL_EXT_shader_texture_lod
+    bool shaderTextureLodEXT = false;
+
+    // GL_QCOM_shading_rate
+    bool shadingRateQCOM = false;
+
+    // GL_EXT_shadow_samplers
+    bool shadowSamplersEXT = false;
+
+    // GL_EXT_sRGB
+    bool sRGBEXT = false;
+
+    // GL_EXT_sRGB_write_control
+    bool sRGBWriteControlEXT = false;
+
+    // GL_OES_standard_derivatives
+    bool standardDerivativesOES = false;
+
+    // GL_OES_surfaceless_context
+    bool surfacelessContextOES = false;
+
+    // GL_ARB_sync
+    bool syncARB = false;
+
+    // GL_EXT_tessellation_shader
+    bool tessellationShaderEXT = false;
+
+    // GL_OES_texture_3D
+    bool texture3DOES = false;
+
+    // GL_EXT_texture_border_clamp
+    bool textureBorderClampEXT = false;
+
+    // GL_OES_texture_border_clamp
+    bool textureBorderClampOES = false;
+
+    // GL_EXT_texture_buffer
+    bool textureBufferEXT = false;
+
+    // GL_OES_texture_buffer
+    bool textureBufferOES = false;
+
+    // GL_OES_texture_compression_astc
+    bool textureCompressionAstcOES = false;
+
+    // GL_KHR_texture_compression_astc_hdr
+    bool textureCompressionAstcHdrKHR = false;
+
+    // GL_KHR_texture_compression_astc_ldr
+    bool textureCompressionAstcLdrKHR = false;
+
+    // GL_KHR_texture_compression_astc_sliced_3d
+    bool textureCompressionAstcSliced3dKHR = false;
+
+    // GL_EXT_texture_compression_bptc
+    bool textureCompressionBptcEXT = false;
+
+    // GL_EXT_texture_compression_dxt1
+    bool textureCompressionDxt1EXT = false;
+
+    // GL_IMG_texture_compression_pvrtc
+    bool textureCompressionPvrtcIMG = false;
+
+    // GL_IMG_texture_compression_pvrtc2
+    bool textureCompressionPvrtc2IMG = false;
+
+    // GL_EXT_texture_compression_rgtc
+    bool textureCompressionRgtcEXT = false;
+
+    // GL_EXT_texture_compression_s3tc
+    bool textureCompressionS3tcEXT = false;
+
+    // GL_EXT_texture_compression_s3tc_srgb
+    bool textureCompressionS3tcSrgbEXT = false;
+
+    // GL_EXT_texture_cube_map_array
+    bool textureCubeMapArrayEXT = false;
+
+    // GL_OES_texture_cube_map_array
+    bool textureCubeMapArrayOES = false;
+
+    // GL_EXT_texture_filter_anisotropic
+    bool textureFilterAnisotropicEXT = false;
+
+    // GL_OES_texture_float
+    bool textureFloatOES = false;
+
+    // GL_OES_texture_float_linear
+    bool textureFloatLinearOES = false;
+
+    // GL_EXT_texture_format_BGRA8888
+    bool textureFormatBGRA8888EXT = false;
+
+    // GL_EXT_texture_format_sRGB_override
+    bool textureFormatSRGBOverrideEXT = false;
+
+    // GL_OES_texture_half_float
+    bool textureHalfFloatOES = false;
+
+    // GL_OES_texture_half_float_linear
+    bool textureHalfFloatLinearOES = false;
+
+    // GL_EXT_texture_norm16
+    bool textureNorm16EXT = false;
+
+    // GL_OES_texture_npot
+    bool textureNpotOES = false;
+
+    // GL_EXT_texture_rg
+    bool textureRgEXT = false;
+
+    // GL_EXT_texture_sRGB_decode
+    bool textureSRGBDecodeEXT = false;
+
+    // GL_EXT_texture_sRGB_R8
+    bool textureSRGBR8EXT = false;
+
+    // GL_EXT_texture_sRGB_RG8
+    bool textureSRGBRG8EXT = false;
+
+    // GL_OES_texture_stencil8
+    bool textureStencil8OES = false;
+
+    // GL_EXT_texture_storage
+    bool textureStorageEXT = false;
+
+    // GL_OES_texture_storage_multisample_2d_array
+    bool textureStorageMultisample2dArrayOES = false;
+
+    // GL_EXT_texture_type_2_10_10_10_REV
+    bool textureType2101010REVEXT = false;
+
+    // GL_ANGLE_texture_usage
+    bool textureUsageANGLE = false;
+
+    // GL_ANGLE_translated_shader_source
+    bool translatedShaderSourceANGLE = false;
+
+    // GL_EXT_unpack_subimage
+    bool unpackSubimageEXT = false;
+
+    // GL_OES_vertex_array_object
+    bool vertexArrayObjectOES = false;
+
+    // GL_OES_vertex_half_float
+    bool vertexHalfFloatOES = false;
+
+    // GL_OES_vertex_type_10_10_10_2
+    bool vertexType1010102OES = false;
+
+    // GL_WEBGL_video_texture
+    bool videoTextureWEBGL = false;
+
+    // GL_EXT_YUV_target
+    bool YUVTargetEXT = false;
+
+    // ANGLE unofficial extensions
+    // ---------------------------
+
+    // GL_ANGLE_base_vertex_base_instance
+    bool baseVertexBaseInstanceANGLE = false;
+
+    // GL_ANGLE_base_vertex_base_instance_shader_builtin
+    bool baseVertexBaseInstanceShaderBuiltinANGLE = false;
+
+    // GL_CHROMIUM_bind_generates_resource
+    bool bindGeneratesResourceCHROMIUM = false;
+
+    // GL_CHROMIUM_bind_uniform_location
+    bool bindUniformLocationCHROMIUM = false;
+
+    // GL_ANGLE_client_arrays
+    bool clientArraysANGLE = false;
+
+    // GL_CHROMIUM_color_buffer_float_rgb
+    bool colorBufferFloatRgbCHROMIUM = false;
+
+    // GL_CHROMIUM_color_buffer_float_rgba
+    bool colorBufferFloatRgbaCHROMIUM = false;
+
+    // GL_ANGLE_compressed_texture_etc
+    bool compressedTextureEtcANGLE = false;
+
+    // GL_CHROMIUM_copy_compressed_texture
+    bool copyCompressedTextureCHROMIUM = false;
+
+    // GL_CHROMIUM_copy_texture
+    bool copyTextureCHROMIUM = false;
+
+    // GL_ANGLE_copy_texture_3d
+    bool copyTexture3dANGLE = false;
+
+    // GL_CHROMIUM_framebuffer_mixed_samples
+    bool framebufferMixedSamplesCHROMIUM = false;
+
+    // GL_ANGLE_framebuffer_multisample
+    bool framebufferMultisampleANGLE = false;
+
+    // GL_ANGLE_get_image
+    bool getImageANGLE = false;
+
+    // GL_ANGLE_get_serialized_context_string
+    bool getSerializedContextStringANGLE = false;
+
+    // GL_ANGLE_get_tex_level_parameter
+    bool getTexLevelParameterANGLE = false;
+
+    // GL_ANGLE_logic_op
+    bool logicOpANGLE = false;
+
+    // GL_CHROMIUM_lose_context
+    bool loseContextCHROMIUM = false;
+
+    // GL_ANGLE_lossy_etc_decode
+    bool lossyEtcDecodeANGLE = false;
+
+    // GL_ANGLE_memory_object_flags
+    bool memoryObjectFlagsANGLE = false;
+
+    // GL_ANGLE_memory_object_fuchsia
+    bool memoryObjectFuchsiaANGLE = false;
+
+    // GL_ANGLE_memory_size
+    bool memorySizeANGLE = false;
+
+    // GL_ANGLE_multi_draw
+    bool multiDrawANGLE = false;
+
+    // GL_ANGLE_multiview_multisample
+    bool multiviewMultisampleANGLE = false;
+
+    // GL_ANGLE_program_binary
+    bool programBinaryANGLE = false;
+
+    // GL_ANGLE_program_cache_control
+    bool programCacheControlANGLE = false;
+
+    // GL_ANGLE_provoking_vertex
+    bool provokingVertexANGLE = false;
+
+    // GL_ANGLE_read_only_depth_stencil_feedback_loops
+    bool readOnlyDepthStencilFeedbackLoopsANGLE = false;
+
+    // GL_ANGLE_relaxed_vertex_attribute_type
+    bool relaxedVertexAttributeTypeANGLE = false;
+
+    // GL_ANGLE_request_extension
+    bool requestExtensionANGLE = false;
+
+    // GL_ANGLE_rgbx_internal_format
+    bool rgbxInternalFormatANGLE = false;
+
+    // GL_ANGLE_robust_client_memory
+    bool robustClientMemoryANGLE = false;
+
+    // GL_ANGLE_robust_fragment_shader_output
+    bool robustFragmentShaderOutputANGLE = false;
+
+    // GL_ANGLE_robust_resource_initialization
+    bool robustResourceInitializationANGLE = false;
+
+    // GL_ANGLE_semaphore_fuchsia
+    bool semaphoreFuchsiaANGLE = false;
+
+    // GL_ANGLE_shader_pixel_local_storage
+    bool shaderPixelLocalStorageANGLE = false;
+
+    // GL_ANGLE_shader_pixel_local_storage_coherent
+    bool shaderPixelLocalStorageCoherentANGLE = false;
+
+    // GL_CHROMIUM_sync_query
+    bool syncQueryCHROMIUM = false;
+
+    // GL_ANGLE_texture_compression_dxt3
+    bool textureCompressionDxt3ANGLE = false;
+
+    // GL_ANGLE_texture_compression_dxt5
+    bool textureCompressionDxt5ANGLE = false;
+
+    // GL_ANGLE_texture_external_update
+    bool textureExternalUpdateANGLE = false;
+
+    // GL_CHROMIUM_texture_filtering_hint
+    bool textureFilteringHintCHROMIUM = false;
+
+    // GL_ANGLE_texture_multisample
+    bool textureMultisampleANGLE = false;
+
+    // GL_ANGLE_texture_rectangle
+    bool textureRectangleANGLE = false;
+
+    // GL_ANGLE_vulkan_image
+    bool vulkanImageANGLE = false;
+
+    // GL_ANGLE_webgl_compatibility
+    bool webglCompatibilityANGLE = false;
+
+    // GL_ANGLE_yuv_internal_format
+    bool yuvInternalFormatANGLE = false;
+
+    // GLES 1.0 and 1.1 extensions
+    // ---------------------------
+
+    // GL_OES_draw_texture
+    bool drawTextureOES = false;
+
+    // GL_OES_framebuffer_object
+    bool framebufferObjectOES = false;
+
+    // GL_OES_matrix_palette
+    bool matrixPaletteOES = false;
+
+    // GL_OES_point_size_array
+    bool pointSizeArrayOES = false;
+
+    // GL_OES_point_sprite
+    bool pointSpriteOES = false;
+
+    // GL_OES_query_matrix
+    bool queryMatrixOES = false;
+
+    // GL_OES_texture_cube_map
+    bool textureCubeMapOES = false;
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_GLES_EXTENSIONS_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/histogram_macros.h b/gfx/angle/checkout/src/libANGLE/histogram_macros.h
new file mode 100644
index 0000000000..cf27a895a1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/histogram_macros.h
@@ -0,0 +1,110 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// histogram_macros.h:
+//   Helpers for making histograms, to keep consistency with Chromium's
+//   histogram_macros.h.
+
+#ifndef LIBANGLE_HISTOGRAM_MACROS_H_
+#define LIBANGLE_HISTOGRAM_MACROS_H_
+
+#include <platform/PlatformMethods.h>
+
+#define ANGLE_HISTOGRAM_TIMES(name, sample) ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 1, 10000, 50)
+
+#define ANGLE_HISTOGRAM_MEDIUM_TIMES(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 10, 180000, 50)
+
+// Use this macro when times can routinely be much longer than 10 seconds.
+#define ANGLE_HISTOGRAM_LONG_TIMES(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 1, 3600000, 50)
+
+// Use this macro when times can routinely be much longer than 10 seconds and
+// you want 100 buckets.
+#define ANGLE_HISTOGRAM_LONG_TIMES_100(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, 1, 3600000, 100)
+
+// For folks that need real specific times, use this to select a precise range
+// of times you want plotted, and the number of buckets you want used.
+#define ANGLE_HISTOGRAM_CUSTOM_TIMES(name, sample, min, max, bucket_count) \
+    ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, min, max, bucket_count)
+
+#define ANGLE_HISTOGRAM_COUNTS(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 1000000, 50)
+
+#define ANGLE_HISTOGRAM_COUNTS_100(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 100, 50)
+
+#define ANGLE_HISTOGRAM_COUNTS_10000(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 10000, 50)
+
+#define ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, min, max, bucket_count)                       \
+    ANGLEPlatformCurrent()->histogramCustomCounts(ANGLEPlatformCurrent(), name, sample, min, max, \
+                                                  bucket_count)
+
+#define ANGLE_HISTOGRAM_PERCENTAGE(name, under_one_hundred) \
+    ANGLE_HISTOGRAM_ENUMERATION(name, under_one_hundred, 101)
+
+#define ANGLE_HISTOGRAM_BOOLEAN(name, sample) \
+    ANGLEPlatformCurrent()->histogramBoolean(ANGLEPlatformCurrent(), name, sample)
+
+#define ANGLE_HISTOGRAM_ENUMERATION(name, sample, boundary_value)                      \
+    ANGLEPlatformCurrent()->histogramEnumeration(ANGLEPlatformCurrent(), name, sample, \
+                                                 boundary_value)
+
+#define ANGLE_HISTOGRAM_MEMORY_KB(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1000, 500000, 50)
+
+#define ANGLE_HISTOGRAM_MEMORY_MB(name, sample) \
+    ANGLE_HISTOGRAM_CUSTOM_COUNTS(name, sample, 1, 1000, 50)
+
+#define ANGLE_HISTOGRAM_SPARSE_SLOWLY(name, sample) \
+    ANGLEPlatformCurrent()->histogramSparse(ANGLEPlatformCurrent(), name, sample)
+
+// Scoped class which logs its time on this earth as a UMA statistic. This is
+// recommended for when you want a histogram which measures the time it takes
+// for a method to execute. This measures up to 10 seconds.
+#define SCOPED_ANGLE_HISTOGRAM_TIMER(name) \
+    SCOPED_ANGLE_HISTOGRAM_TIMER_EXPANDER(name, false, __COUNTER__)
+
+// Similar scoped histogram timer, but this uses ANGLE_HISTOGRAM_LONG_TIMES_100,
+// which measures up to an hour, and uses 100 buckets. This is more expensive
+// to store, so only use if this often takes >10 seconds.
+#define SCOPED_ANGLE_HISTOGRAM_LONG_TIMER(name) \
+    SCOPED_ANGLE_HISTOGRAM_TIMER_EXPANDER(name, true, __COUNTER__)
+
+// This nested macro is necessary to expand __COUNTER__ to an actual value.
+#define SCOPED_ANGLE_HISTOGRAM_TIMER_EXPANDER(name, is_long, key) \
+    SCOPED_ANGLE_HISTOGRAM_TIMER_UNIQUE(name, is_long, key)
+
+#define SCOPED_ANGLE_HISTOGRAM_TIMER_UNIQUE(name, is_long, key)                         \
+    class [[nodiscard]] ScopedHistogramTimer##key                                       \
+    {                                                                                   \
+      public:                                                                           \
+        ScopedHistogramTimer##key()                                                     \
+            : constructed_(ANGLEPlatformCurrent()->currentTime(ANGLEPlatformCurrent())) \
+        {}                                                                              \
+        ~ScopedHistogramTimer##key()                                                    \
+        {                                                                               \
+            if (constructed_ == 0)                                                      \
+                return;                                                                 \
+            auto *platform = ANGLEPlatformCurrent();                                    \
+            double elapsed = platform->currentTime(platform) - constructed_;            \
+            int elapsedMS  = static_cast<int>(elapsed * 1000.0);                        \
+            if (is_long)                                                                \
+            {                                                                           \
+                ANGLE_HISTOGRAM_LONG_TIMES_100(name, elapsedMS);                        \
+            }                                                                           \
+            else                                                                        \
+            {                                                                           \
+                ANGLE_HISTOGRAM_TIMES(name, elapsedMS);                                 \
+            }                                                                           \
+        }                                                                               \
+                                                                                        \
+      private:                                                                          \
+        double constructed_;                                                            \
+    } scoped_histogram_timer_##key
+
+#endif  // LIBANGLE_HISTOGRAM_MACROS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/queryconversions.cpp b/gfx/angle/checkout/src/libANGLE/queryconversions.cpp
new file mode 100644
index 0000000000..3c3ab45b7c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/queryconversions.cpp
@@ -0,0 +1,315 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// queryconversions.cpp: Implementation of state query cast conversions
+
+#include "libANGLE/queryconversions.h"
+
+#include <vector>
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+
+namespace gl
+{
+
+namespace
+{
+
+GLint64 ExpandFloatToInteger(GLfloat value)
+{
+    return static_cast<GLint64>((static_cast<double>(0xFFFFFFFFULL) * value - 1.0) / 2.0);
+}
+
+template <typename QueryT, typename NativeT>
+QueryT CastFromStateValueToInt(GLenum pname, NativeT value)
+{
+    GLenum nativeType = GLTypeToGLenum<NativeT>::value;
+
+    if (nativeType == GL_FLOAT)
+    {
+        // RGBA color values and DepthRangeF values are converted to integer using Equation 2.4 from
+        // Table 4.5
+        switch (pname)
+        {
+            case GL_DEPTH_RANGE:
+            case GL_COLOR_CLEAR_VALUE:
+            case GL_DEPTH_CLEAR_VALUE:
+            case GL_BLEND_COLOR:
+            // GLES1 emulation:
+            // Also, several GLES1.x values need to be converted to integer with
+            // ExpandFloatToInteger rather than rounding. See GLES 1.1 spec 6.1.2 "Data
+            // Conversions".
+            case GL_ALPHA_TEST_REF:
+            case GL_CURRENT_COLOR:
+                return clampCast<QueryT>(ExpandFloatToInteger(static_cast<GLfloat>(value)));
+            default:
+                return clampCast<QueryT>(std::round(value));
+        }
+    }
+
+    return clampCast<QueryT>(value);
+}
+
+template <typename NativeT, typename QueryT>
+NativeT CastQueryValueToInt(GLenum pname, QueryT value)
+{
+    GLenum queryType = GLTypeToGLenum<QueryT>::value;
+
+    if (queryType == GL_FLOAT)
+    {
+        // ARM devices cast float to uint differently than Intel.
+        // Basically, any negative floating point number becomes 0
+        // when converted to unsigned int. Instead, convert to a signed
+        // int and then convert to unsigned int to "preserve the value"
+        // E.g. common case for tests is to pass in -1 as an invalid query
+        // value. If cast to a unsigned int it becomes 0 (GL_NONE) and is now
+        // a valid enum and negative tests fail. But converting to int
+        // and then to final unsigned int gives us 4294967295 (0xffffffff)
+        // which is what we want.
+        return static_cast<NativeT>(static_cast<GLint64>(std::round(value)));
+    }
+
+    return static_cast<NativeT>(value);
+}
+
+}  // anonymous namespace
+
+GLint CastMaskValue(GLuint value)
+{
+    return clampCast<GLint>(value);
+}
+
+template <typename QueryT, typename InternalT>
+QueryT CastFromGLintStateValue(GLenum pname, InternalT value)
+{
+    return CastFromStateValue<QueryT, GLint>(pname, clampCast<GLint, InternalT>(value));
+}
+
+template GLfloat CastFromGLintStateValue<GLfloat, GLenum>(GLenum pname, GLenum value);
+template GLint CastFromGLintStateValue<GLint, GLenum>(GLenum pname, GLenum value);
+template GLint64 CastFromGLintStateValue<GLint64, GLenum>(GLenum pname, GLenum value);
+template GLuint CastFromGLintStateValue<GLuint, GLenum>(GLenum pname, GLenum value);
+template GLuint CastFromGLintStateValue<GLuint, GLint>(GLenum pname, GLint value);
+template GLfloat CastFromGLintStateValue<GLfloat, GLint>(GLenum pname, GLint value);
+template GLint CastFromGLintStateValue<GLint, GLint>(GLenum pname, GLint value);
+template GLfloat CastFromGLintStateValue<GLfloat, bool>(GLenum pname, bool value);
+template GLuint CastFromGLintStateValue<GLuint, bool>(GLenum pname, bool value);
+template GLint CastFromGLintStateValue<GLint, bool>(GLenum pname, bool value);
+
+template <typename QueryT, typename NativeT>
+QueryT CastFromStateValue(GLenum pname, NativeT value)
+{
+    GLenum queryType = GLTypeToGLenum<QueryT>::value;
+
+    switch (queryType)
+    {
+        case GL_INT:
+        case GL_INT_64_ANGLEX:
+        case GL_UNSIGNED_INT:
+        case GL_UINT_64_ANGLEX:
+            return CastFromStateValueToInt<QueryT, NativeT>(pname, value);
+        case GL_FLOAT:
+            return static_cast<QueryT>(value);
+        case GL_BOOL:
+            return static_cast<QueryT>(value == static_cast<NativeT>(0) ? GL_FALSE : GL_TRUE);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+template GLint CastFromStateValue<GLint, GLint>(GLenum pname, GLint value);
+template GLint CastFromStateValue<GLint, GLint64>(GLenum pname, GLint64 value);
+template GLint64 CastFromStateValue<GLint64, GLint>(GLenum pname, GLint value);
+template GLint64 CastFromStateValue<GLint64, GLint64>(GLenum pname, GLint64 value);
+template GLfloat CastFromStateValue<GLfloat, GLint>(GLenum pname, GLint value);
+template GLfloat CastFromStateValue<GLfloat, GLuint>(GLenum pname, GLuint value);
+template GLfloat CastFromStateValue<GLfloat, GLfloat>(GLenum pname, GLfloat value);
+template GLint CastFromStateValue<GLint, GLfloat>(GLenum pname, GLfloat value);
+template GLuint CastFromStateValue<GLuint, GLfloat>(GLenum pname, GLfloat value);
+template GLuint CastFromStateValue<GLuint, GLint>(GLenum pname, GLint value);
+template GLuint CastFromStateValue<GLuint, GLuint>(GLenum pname, GLuint value);
+template GLint CastFromStateValue<GLint, GLboolean>(GLenum pname, GLboolean value);
+template GLint64 CastFromStateValue<GLint64, GLboolean>(GLenum pname, GLboolean value);
+template GLint CastFromStateValue<GLint, GLuint>(GLenum pname, GLuint value);
+template GLint64 CastFromStateValue<GLint64, GLuint>(GLenum pname, GLuint value);
+template GLuint64 CastFromStateValue<GLuint64, GLuint>(GLenum pname, GLuint value);
+
+template <typename NativeT, typename QueryT>
+NativeT CastQueryValueTo(GLenum pname, QueryT value)
+{
+    GLenum nativeType = GLTypeToGLenum<NativeT>::value;
+
+    switch (nativeType)
+    {
+        case GL_INT:
+        case GL_INT_64_ANGLEX:
+        case GL_UNSIGNED_INT:
+        case GL_UINT_64_ANGLEX:
+            return CastQueryValueToInt<NativeT, QueryT>(pname, value);
+        case GL_FLOAT:
+            return static_cast<NativeT>(value);
+        case GL_BOOL:
+            return static_cast<NativeT>(value == static_cast<QueryT>(0) ? GL_FALSE : GL_TRUE);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+template GLint CastQueryValueTo<GLint, GLfloat>(GLenum pname, GLfloat value);
+template GLboolean CastQueryValueTo<GLboolean, GLint>(GLenum pname, GLint value);
+template GLint CastQueryValueTo<GLint, GLint>(GLenum pname, GLint value);
+template GLint CastQueryValueTo<GLint, GLuint>(GLenum pname, GLuint value);
+template GLfloat CastQueryValueTo<GLfloat, GLint>(GLenum pname, GLint value);
+template GLfloat CastQueryValueTo<GLfloat, GLuint>(GLenum pname, GLuint value);
+template GLfloat CastQueryValueTo<GLfloat, GLfloat>(GLenum pname, GLfloat value);
+template GLuint CastQueryValueTo<GLuint, GLint>(GLenum pname, GLint value);
+template GLuint CastQueryValueTo<GLuint, GLuint>(GLenum pname, GLuint value);
+template GLuint CastQueryValueTo<GLuint, GLfloat>(GLenum pname, GLfloat value);
+
+template <typename QueryT>
+void CastStateValues(const Context *context,
+                     GLenum nativeType,
+                     GLenum pname,
+                     unsigned int numParams,
+                     QueryT *outParams)
+{
+    if (nativeType == GL_INT)
+    {
+        std::vector<GLint> intParams(numParams, 0);
+        context->getIntegervImpl(pname, intParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, intParams[i]);
+        }
+    }
+    else if (nativeType == GL_BOOL)
+    {
+        std::vector<GLboolean> boolParams(numParams, GL_FALSE);
+        context->getBooleanvImpl(pname, boolParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] =
+                (boolParams[i] == GL_FALSE ? static_cast<QueryT>(0) : static_cast<QueryT>(1));
+        }
+    }
+    else if (nativeType == GL_FLOAT)
+    {
+        std::vector<GLfloat> floatParams(numParams, 0.0f);
+        context->getFloatvImpl(pname, floatParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, floatParams[i]);
+        }
+    }
+    else if (nativeType == GL_INT_64_ANGLEX)
+    {
+        std::vector<GLint64> int64Params(numParams, 0);
+        context->getInteger64vImpl(pname, int64Params.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, int64Params[i]);
+        }
+    }
+    else
+    {
+        WARN() << "Application querying parameter that does not exist.";
+    }
+}
+
+// Explicit template instantiation (how we export template functions in different files)
+// The calls below will make CastStateValues successfully link with the GL state query types
+// The GL state query API types are: bool, int, uint, float, int64, uint64
+
+template void CastStateValues<GLboolean>(const Context *,
+                                         GLenum,
+                                         GLenum,
+                                         unsigned int,
+                                         GLboolean *);
+template void CastStateValues<GLint>(const Context *, GLenum, GLenum, unsigned int, GLint *);
+template void CastStateValues<GLuint>(const Context *, GLenum, GLenum, unsigned int, GLuint *);
+template void CastStateValues<GLfloat>(const Context *, GLenum, GLenum, unsigned int, GLfloat *);
+template void CastStateValues<GLint64>(const Context *, GLenum, GLenum, unsigned int, GLint64 *);
+
+template <typename QueryT>
+void CastIndexedStateValues(Context *context,
+                            GLenum nativeType,
+                            GLenum pname,
+                            GLuint index,
+                            unsigned int numParams,
+                            QueryT *outParams)
+{
+    if (nativeType == GL_INT)
+    {
+        std::vector<GLint> intParams(numParams, 0);
+        context->getIntegeri_v(pname, index, intParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, intParams[i]);
+        }
+    }
+    else if (nativeType == GL_BOOL)
+    {
+        std::vector<GLboolean> boolParams(numParams, GL_FALSE);
+        context->getBooleani_v(pname, index, boolParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] =
+                (boolParams[i] == GL_FALSE ? static_cast<QueryT>(0) : static_cast<QueryT>(1));
+        }
+    }
+    else if (nativeType == GL_INT_64_ANGLEX)
+    {
+        std::vector<GLint64> int64Params(numParams, 0);
+        context->getInteger64i_v(pname, index, int64Params.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, int64Params[i]);
+        }
+    }
+    else
+        UNREACHABLE();
+}
+
+template void CastIndexedStateValues<GLboolean>(Context *,
+                                                GLenum,
+                                                GLenum,
+                                                GLuint index,
+                                                unsigned int,
+                                                GLboolean *);
+template void CastIndexedStateValues<GLint>(Context *,
+                                            GLenum,
+                                            GLenum,
+                                            GLuint index,
+                                            unsigned int,
+                                            GLint *);
+template void CastIndexedStateValues<GLuint>(Context *,
+                                             GLenum,
+                                             GLenum,
+                                             GLuint index,
+                                             unsigned int,
+                                             GLuint *);
+template void CastIndexedStateValues<GLfloat>(Context *,
+                                              GLenum,
+                                              GLenum,
+                                              GLuint index,
+                                              unsigned int,
+                                              GLfloat *);
+template void CastIndexedStateValues<GLint64>(Context *,
+                                              GLenum,
+                                              GLenum,
+                                              GLuint index,
+                                              unsigned int,
+                                              GLint64 *);
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/queryconversions.h b/gfx/angle/checkout/src/libANGLE/queryconversions.h
new file mode 100644
index 0000000000..7784c33e73
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/queryconversions.h
@@ -0,0 +1,138 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// queryconversions.h: Declaration of state query cast conversions
+
+#ifndef LIBANGLE_QUERY_CONVERSIONS_H_
+#define LIBANGLE_QUERY_CONVERSIONS_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+
+namespace gl
+{
+class Context;
+
+// Helper class for converting a GL type to a GLenum:
+// We can't use CastStateValueEnum generally, because of GLboolean + GLubyte overlap.
+// We restrict our use to CastFromStateValue and CastQueryValueTo, where it eliminates
+// duplicate parameters.
+
+template <typename GLType>
+struct GLTypeToGLenum
+{
+    // static constexpr GLenum value;
+};
+
+template <>
+struct GLTypeToGLenum<GLint>
+{
+    static constexpr GLenum value = GL_INT;
+};
+template <>
+struct GLTypeToGLenum<GLuint>
+{
+    static constexpr GLenum value = GL_UNSIGNED_INT;
+};
+template <>
+struct GLTypeToGLenum<GLboolean>
+{
+    static constexpr GLenum value = GL_BOOL;
+};
+template <>
+struct GLTypeToGLenum<GLint64>
+{
+    static constexpr GLenum value = GL_INT_64_ANGLEX;
+};
+template <>
+struct GLTypeToGLenum<GLuint64>
+{
+    static constexpr GLenum value = GL_UINT_64_ANGLEX;
+};
+template <>
+struct GLTypeToGLenum<GLfloat>
+{
+    static constexpr GLenum value = GL_FLOAT;
+};
+
+GLint CastMaskValue(GLuint value);
+
+template <typename QueryT, typename InternalT>
+QueryT CastFromGLintStateValue(GLenum pname, InternalT value);
+
+template <typename QueryT, typename NativeT>
+QueryT CastFromStateValue(GLenum pname, NativeT value);
+
+template <typename NativeT, typename QueryT>
+NativeT CastQueryValueTo(GLenum pname, QueryT value);
+
+template <typename ParamType>
+GLenum ConvertToGLenum(GLenum pname, ParamType param)
+{
+    return static_cast<GLenum>(CastQueryValueTo<GLuint>(pname, param));
+}
+
+template <typename ParamType>
+GLenum ConvertToGLenum(ParamType param)
+{
+    return ConvertToGLenum(GL_NONE, param);
+}
+
+template <typename OutType>
+OutType ConvertGLenum(GLenum param)
+{
+    return static_cast<OutType>(param);
+}
+
+template <typename InType, typename OutType>
+void ConvertGLenumValue(InType param, OutType *out)
+{
+    *out = ConvertGLenum<OutType>(static_cast<GLenum>(param));
+}
+
+template <typename PackedEnumType, typename OutType>
+void ConvertPackedEnum(PackedEnumType param, OutType *out)
+{
+    *out = static_cast<OutType>(ToGLenum(param));
+}
+
+template <typename ParamType>
+GLint ConvertToGLint(ParamType param)
+{
+    return CastQueryValueTo<GLint>(GL_NONE, param);
+}
+
+template <typename ParamType>
+bool ConvertToBool(ParamType param)
+{
+    return param != GL_FALSE;
+}
+
+template <typename ParamType>
+GLboolean ConvertToGLBoolean(ParamType param)
+{
+    return param ? GL_TRUE : GL_FALSE;
+}
+
+// The GL state query API types are: bool, int, uint, float, int64, uint64
+template <typename QueryT>
+void CastStateValues(const Context *context,
+                     GLenum nativeType,
+                     GLenum pname,
+                     unsigned int numParams,
+                     QueryT *outParams);
+
+// The GL state query API types are: bool, int, uint, float, int64, uint64
+template <typename QueryT>
+void CastIndexedStateValues(Context *context,
+                            GLenum nativeType,
+                            GLenum pname,
+                            GLuint index,
+                            unsigned int numParams,
+                            QueryT *outParams);
+}  // namespace gl
+
+#endif  // LIBANGLE_QUERY_CONVERSIONS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/queryutils.cpp b/gfx/angle/checkout/src/libANGLE/queryutils.cpp
new file mode 100644
index 0000000000..56600eae9d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/queryutils.cpp
@@ -0,0 +1,4525 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// queryutils.cpp: Utilities for querying values from GL objects
+
+#include "libANGLE/queryutils.h"
+
+#include <algorithm>
+
+#include "common/utilities.h"
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/EGLSync.h"
+#include "libANGLE/Fence.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/GLES1State.h"
+#include "libANGLE/MemoryObject.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Sampler.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/queryconversions.h"
+
+namespace gl
+{
+
+namespace
+{
+
+template <bool isPureInteger>
+ColorGeneric ConvertToColor(const GLfloat *params)
+{
+    if (isPureInteger)
+    {
+        UNREACHABLE();
+        return ColorGeneric(ColorI());
+    }
+    else
+    {
+        return ColorGeneric(ColorF::fromData(params));
+    }
+}
+
+template <bool isPureInteger>
+ColorGeneric ConvertToColor(const GLint *params)
+{
+    if (isPureInteger)
+    {
+        return ColorGeneric(ColorI(params[0], params[1], params[2], params[3]));
+    }
+    else
+    {
+        return ColorGeneric(ColorF(normalizedToFloat(params[0]), normalizedToFloat(params[1]),
+                                   normalizedToFloat(params[2]), normalizedToFloat(params[3])));
+    }
+}
+
+template <bool isPureInteger>
+ColorGeneric ConvertToColor(const GLuint *params)
+{
+    if (isPureInteger)
+    {
+        return ColorGeneric(ColorUI(params[0], params[1], params[2], params[3]));
+    }
+    else
+    {
+        UNREACHABLE();
+        return ColorGeneric(ColorF());
+    }
+}
+
+template <bool isPureInteger>
+void ConvertFromColor(const ColorGeneric &color, GLfloat *outParams)
+{
+    if (isPureInteger)
+    {
+        UNREACHABLE();
+    }
+    else
+    {
+        color.colorF.writeData(outParams);
+    }
+}
+
+template <bool isPureInteger>
+void ConvertFromColor(const ColorGeneric &color, GLint *outParams)
+{
+    if (isPureInteger)
+    {
+        outParams[0] = color.colorI.red;
+        outParams[1] = color.colorI.green;
+        outParams[2] = color.colorI.blue;
+        outParams[3] = color.colorI.alpha;
+    }
+    else
+    {
+        outParams[0] = floatToNormalized<GLint>(color.colorF.red);
+        outParams[1] = floatToNormalized<GLint>(color.colorF.green);
+        outParams[2] = floatToNormalized<GLint>(color.colorF.blue);
+        outParams[3] = floatToNormalized<GLint>(color.colorF.alpha);
+    }
+}
+
+template <bool isPureInteger>
+void ConvertFromColor(const ColorGeneric &color, GLuint *outParams)
+{
+    if (isPureInteger)
+    {
+        constexpr unsigned int kMinValue = 0;
+
+        outParams[0] = std::max(color.colorUI.red, kMinValue);
+        outParams[1] = std::max(color.colorUI.green, kMinValue);
+        outParams[2] = std::max(color.colorUI.blue, kMinValue);
+        outParams[3] = std::max(color.colorUI.alpha, kMinValue);
+    }
+    else
+    {
+        UNREACHABLE();
+    }
+}
+
+template <typename ParamType>
+void QueryTexLevelParameterBase(const Texture *texture,
+                                TextureTarget target,
+                                GLint level,
+                                GLenum pname,
+                                ParamType *params)
+{
+    ASSERT(texture != nullptr);
+    const InternalFormat *info = texture->getTextureState().getImageDesc(target, level).format.info;
+
+    switch (pname)
+    {
+        case GL_TEXTURE_RED_TYPE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, info->redBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_GREEN_TYPE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, info->greenBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_BLUE_TYPE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, info->blueBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_ALPHA_TYPE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, info->alphaBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_DEPTH_TYPE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, info->depthBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_RED_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, info->redBits);
+            break;
+        case GL_TEXTURE_GREEN_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, info->greenBits);
+            break;
+        case GL_TEXTURE_BLUE_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, info->blueBits);
+            break;
+        case GL_TEXTURE_ALPHA_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, info->alphaBits);
+            break;
+        case GL_TEXTURE_DEPTH_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, info->depthBits);
+            break;
+        case GL_TEXTURE_STENCIL_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, info->stencilBits);
+            break;
+        case GL_TEXTURE_SHARED_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, info->sharedBits);
+            break;
+        case GL_TEXTURE_INTERNAL_FORMAT:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, info->internalFormat ? info->internalFormat : GL_RGBA);
+            break;
+        case GL_TEXTURE_WIDTH:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, static_cast<uint32_t>(texture->getWidth(target, level)));
+            break;
+        case GL_TEXTURE_HEIGHT:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, static_cast<uint32_t>(texture->getHeight(target, level)));
+            break;
+        case GL_TEXTURE_DEPTH:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, static_cast<uint32_t>(texture->getDepth(target, level)));
+            break;
+        case GL_TEXTURE_SAMPLES:
+            *params = CastFromStateValue<ParamType>(pname, texture->getSamples(target, level));
+            break;
+        case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
+            *params = CastFromStateValue<ParamType>(
+                pname, static_cast<GLint>(texture->getFixedSampleLocations(target, level)));
+            break;
+        case GL_TEXTURE_COMPRESSED:
+            *params = CastFromStateValue<ParamType>(pname, static_cast<GLint>(info->compressed));
+            break;
+        case GL_MEMORY_SIZE_ANGLE:
+            *params =
+                CastFromStateValue<ParamType>(pname, texture->getLevelMemorySize(target, level));
+            break;
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, texture->initState(GL_NONE, ImageIndex::MakeFromTarget(target, level)) ==
+                           InitState::Initialized);
+            break;
+        case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
+            *params = CastFromStateValue<ParamType>(
+                pname, static_cast<GLint>(texture->getBuffer().id().value));
+            break;
+        case GL_TEXTURE_BUFFER_OFFSET:
+            *params = CastFromStateValue<ParamType>(
+                pname, static_cast<GLint>(texture->getBuffer().getOffset()));
+            break;
+        case GL_TEXTURE_BUFFER_SIZE:
+            *params = CastFromStateValue<ParamType>(
+                pname, static_cast<GLint>(GetBoundBufferAvailableSize(texture->getBuffer())));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+// This function is needed to handle fixed_point data.
+// It can be used when some pname need special conversion from int/float/bool to fixed_point.
+template <bool isGLfixed, typename QueryT, typename ParamType>
+QueryT CastFromSpecialValue(GLenum pname, const ParamType param)
+{
+    if (isGLfixed)
+    {
+        return static_cast<QueryT>(ConvertFloatToFixed(CastFromStateValue<GLfloat>(pname, param)));
+    }
+    else
+    {
+        return CastFromStateValue<QueryT>(pname, param);
+    }
+}
+
+template <bool isPureInteger, bool isGLfixed, typename ParamType>
+void QueryTexParameterBase(const Context *context,
+                           const Texture *texture,
+                           GLenum pname,
+                           ParamType *params)
+{
+    ASSERT(texture != nullptr);
+
+    switch (pname)
+    {
+        case GL_TEXTURE_MAG_FILTER:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getMagFilter());
+            break;
+        case GL_TEXTURE_MIN_FILTER:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getMinFilter());
+            break;
+        case GL_TEXTURE_WRAP_S:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getWrapS());
+            break;
+        case GL_TEXTURE_WRAP_T:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getWrapT());
+            break;
+        case GL_TEXTURE_WRAP_R:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getWrapR());
+            break;
+        case GL_TEXTURE_IMMUTABLE_FORMAT:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getImmutableFormat());
+            break;
+        case GL_TEXTURE_IMMUTABLE_LEVELS:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getImmutableLevels());
+            break;
+        case GL_TEXTURE_USAGE_ANGLE:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getUsage());
+            break;
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+            *params =
+                CastFromSpecialValue<isGLfixed, ParamType>(pname, texture->getMaxAnisotropy());
+            break;
+        case GL_TEXTURE_SWIZZLE_R:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleRed());
+            break;
+        case GL_TEXTURE_SWIZZLE_G:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleGreen());
+            break;
+        case GL_TEXTURE_SWIZZLE_B:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleBlue());
+            break;
+        case GL_TEXTURE_SWIZZLE_A:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleAlpha());
+            break;
+        case GL_TEXTURE_BASE_LEVEL:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getBaseLevel());
+            break;
+        case GL_TEXTURE_MAX_LEVEL:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getMaxLevel());
+            break;
+        case GL_TEXTURE_MIN_LOD:
+            *params = CastFromSpecialValue<isGLfixed, ParamType>(pname, texture->getMinLod());
+            break;
+        case GL_TEXTURE_MAX_LOD:
+            *params = CastFromSpecialValue<isGLfixed, ParamType>(pname, texture->getMaxLod());
+            break;
+        case GL_TEXTURE_COMPARE_MODE:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getCompareMode());
+            break;
+        case GL_TEXTURE_COMPARE_FUNC:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getCompareFunc());
+            break;
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getSRGBDecode());
+            break;
+        case GL_TEXTURE_FORMAT_SRGB_OVERRIDE_EXT:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getSRGBOverride());
+            break;
+        case GL_DEPTH_STENCIL_TEXTURE_MODE:
+            *params =
+                CastFromGLintStateValue<ParamType>(pname, texture->getDepthStencilTextureMode());
+            break;
+        case GL_TEXTURE_CROP_RECT_OES:
+        {
+            const gl::Rectangle &crop = texture->getCrop();
+            params[0]                 = CastFromSpecialValue<isGLfixed, ParamType>(pname, crop.x);
+            params[1]                 = CastFromSpecialValue<isGLfixed, ParamType>(pname, crop.y);
+            params[2] = CastFromSpecialValue<isGLfixed, ParamType>(pname, crop.width);
+            params[3] = CastFromSpecialValue<isGLfixed, ParamType>(pname, crop.height);
+            break;
+        }
+        case GL_GENERATE_MIPMAP:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->getGenerateMipmapHint());
+            break;
+        case GL_MEMORY_SIZE_ANGLE:
+            *params = CastFromSpecialValue<isGLfixed, ParamType>(pname, texture->getMemorySize());
+            break;
+        case GL_TEXTURE_BORDER_COLOR:
+            ConvertFromColor<isPureInteger>(texture->getBorderColor(), params);
+            break;
+        case GL_TEXTURE_NATIVE_ID_ANGLE:
+            *params = CastFromSpecialValue<isGLfixed, ParamType>(pname, texture->getNativeID());
+            break;
+        case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, texture->getImplementationColorReadFormat(context));
+            break;
+        case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, texture->getImplementationColorReadType(context));
+            break;
+        case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
+            *params =
+                CastFromGLintStateValue<ParamType>(pname, GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE);
+            break;
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, texture->initState() == InitState::Initialized);
+            break;
+        case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, texture->getRequiredTextureImageUnits(context));
+            break;
+        case GL_TEXTURE_PROTECTED_EXT:
+            *params = CastFromGLintStateValue<ParamType>(pname, texture->hasProtectedContent());
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+// this function is needed to handle OES_FIXED_POINT.
+// Some pname values can take in GLfixed values and may need to be converted
+template <bool isGLfixed, typename ReturnType, typename ParamType>
+ReturnType ConvertTexParam(GLenum pname, const ParamType param)
+{
+    if (isGLfixed)
+    {
+        return CastQueryValueTo<ReturnType>(pname,
+                                            ConvertFixedToFloat(static_cast<GLfixed>(param)));
+    }
+    else
+    {
+        return CastQueryValueTo<ReturnType>(pname, param);
+    }
+}
+
+template <bool isPureInteger, bool isGLfixed, typename ParamType>
+void SetTexParameterBase(Context *context, Texture *texture, GLenum pname, const ParamType *params)
+{
+    ASSERT(texture != nullptr);
+
+    switch (pname)
+    {
+        case GL_TEXTURE_WRAP_S:
+            texture->setWrapS(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_WRAP_T:
+            texture->setWrapT(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_WRAP_R:
+            texture->setWrapR(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_MIN_FILTER:
+            texture->setMinFilter(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_MAG_FILTER:
+            texture->setMagFilter(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_USAGE_ANGLE:
+            texture->setUsage(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+            texture->setMaxAnisotropy(context,
+                                      ConvertTexParam<isGLfixed, GLfloat>(pname, params[0]));
+            break;
+        case GL_TEXTURE_COMPARE_MODE:
+            texture->setCompareMode(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_COMPARE_FUNC:
+            texture->setCompareFunc(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_SWIZZLE_R:
+            texture->setSwizzleRed(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_SWIZZLE_G:
+            texture->setSwizzleGreen(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_SWIZZLE_B:
+            texture->setSwizzleBlue(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_SWIZZLE_A:
+            texture->setSwizzleAlpha(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_BASE_LEVEL:
+        {
+            (void)(texture->setBaseLevel(
+                context, clampCast<GLuint>(CastQueryValueTo<GLint>(pname, params[0]))));
+            break;
+        }
+        case GL_TEXTURE_MAX_LEVEL:
+            texture->setMaxLevel(context,
+                                 clampCast<GLuint>(CastQueryValueTo<GLint>(pname, params[0])));
+            break;
+        case GL_TEXTURE_MIN_LOD:
+            texture->setMinLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
+            break;
+        case GL_TEXTURE_MAX_LOD:
+            texture->setMaxLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
+            break;
+        case GL_DEPTH_STENCIL_TEXTURE_MODE:
+            texture->setDepthStencilTextureMode(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            texture->setSRGBDecode(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_FORMAT_SRGB_OVERRIDE_EXT:
+            texture->setSRGBOverride(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_CROP_RECT_OES:
+            texture->setCrop(gl::Rectangle(ConvertTexParam<isGLfixed, GLint>(pname, params[0]),
+                                           ConvertTexParam<isGLfixed, GLint>(pname, params[1]),
+                                           ConvertTexParam<isGLfixed, GLint>(pname, params[2]),
+                                           ConvertTexParam<isGLfixed, GLint>(pname, params[3])));
+            break;
+        case GL_GENERATE_MIPMAP:
+            texture->setGenerateMipmapHint(ConvertToGLenum(params[0]));
+            break;
+        case GL_TEXTURE_BORDER_COLOR:
+            texture->setBorderColor(context, ConvertToColor<isPureInteger>(params));
+            break;
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            texture->setInitState(ConvertToBool(params[0]) ? InitState::Initialized
+                                                           : InitState::MayNeedInit);
+            break;
+        case GL_TEXTURE_PROTECTED_EXT:
+            texture->setProtectedContent(context, (params[0] == GL_TRUE));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+template <bool isPureInteger, typename ParamType>
+void QuerySamplerParameterBase(const Sampler *sampler, GLenum pname, ParamType *params)
+{
+    switch (pname)
+    {
+        case GL_TEXTURE_MIN_FILTER:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getMinFilter());
+            break;
+        case GL_TEXTURE_MAG_FILTER:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getMagFilter());
+            break;
+        case GL_TEXTURE_WRAP_S:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getWrapS());
+            break;
+        case GL_TEXTURE_WRAP_T:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getWrapT());
+            break;
+        case GL_TEXTURE_WRAP_R:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getWrapR());
+            break;
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+            *params = CastFromStateValue<ParamType>(pname, sampler->getMaxAnisotropy());
+            break;
+        case GL_TEXTURE_MIN_LOD:
+            *params = CastFromStateValue<ParamType>(pname, sampler->getMinLod());
+            break;
+        case GL_TEXTURE_MAX_LOD:
+            *params = CastFromStateValue<ParamType>(pname, sampler->getMaxLod());
+            break;
+        case GL_TEXTURE_COMPARE_MODE:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getCompareMode());
+            break;
+        case GL_TEXTURE_COMPARE_FUNC:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getCompareFunc());
+            break;
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            *params = CastFromGLintStateValue<ParamType>(pname, sampler->getSRGBDecode());
+            break;
+        case GL_TEXTURE_BORDER_COLOR:
+            ConvertFromColor<isPureInteger>(sampler->getBorderColor(), params);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+template <bool isPureInteger, typename ParamType>
+void SetSamplerParameterBase(Context *context,
+                             Sampler *sampler,
+                             GLenum pname,
+                             const ParamType *params)
+{
+    switch (pname)
+    {
+        case GL_TEXTURE_WRAP_S:
+            sampler->setWrapS(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_WRAP_T:
+            sampler->setWrapT(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_WRAP_R:
+            sampler->setWrapR(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_MIN_FILTER:
+            sampler->setMinFilter(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_MAG_FILTER:
+            sampler->setMagFilter(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+            sampler->setMaxAnisotropy(context, CastQueryValueTo<GLfloat>(pname, params[0]));
+            break;
+        case GL_TEXTURE_COMPARE_MODE:
+            sampler->setCompareMode(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_COMPARE_FUNC:
+            sampler->setCompareFunc(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_MIN_LOD:
+            sampler->setMinLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
+            break;
+        case GL_TEXTURE_MAX_LOD:
+            sampler->setMaxLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
+            break;
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            sampler->setSRGBDecode(context, ConvertToGLenum(pname, params[0]));
+            break;
+        case GL_TEXTURE_BORDER_COLOR:
+            sampler->setBorderColor(context, ConvertToColor<isPureInteger>(params));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    sampler->onStateChange(angle::SubjectMessage::ContentsChanged);
+}
+
+// Warning: you should ensure binding really matches attrib.bindingIndex before using this function.
+template <typename ParamType, typename CurrentDataType, size_t CurrentValueCount>
+void QueryVertexAttribBase(const VertexAttribute &attrib,
+                           const VertexBinding &binding,
+                           const CurrentDataType (&currentValueData)[CurrentValueCount],
+                           GLenum pname,
+                           ParamType *params)
+{
+    switch (pname)
+    {
+        case GL_CURRENT_VERTEX_ATTRIB:
+            for (size_t i = 0; i < CurrentValueCount; ++i)
+            {
+                params[i] = CastFromStateValue<ParamType>(pname, currentValueData[i]);
+            }
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_ENABLED:
+            *params = CastFromStateValue<ParamType>(pname, static_cast<GLint>(attrib.enabled));
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_SIZE:
+            *params = CastFromGLintStateValue<ParamType>(pname, attrib.format->channelCount);
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_STRIDE:
+            *params = CastFromGLintStateValue<ParamType>(pname, attrib.vertexAttribArrayStride);
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_TYPE:
+            *params = CastFromGLintStateValue<ParamType>(
+                pname, gl::ToGLenum(attrib.format->vertexAttribType));
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
+            *params =
+                CastFromStateValue<ParamType>(pname, static_cast<GLint>(attrib.format->isNorm()));
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING:
+            *params = CastFromGLintStateValue<ParamType>(pname, binding.getBuffer().id().value);
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_DIVISOR:
+            *params = CastFromStateValue<ParamType>(pname, binding.getDivisor());
+            break;
+        case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
+            *params = CastFromGLintStateValue<ParamType>(pname, attrib.format->isPureInt());
+            break;
+        case GL_VERTEX_ATTRIB_BINDING:
+            *params = CastFromGLintStateValue<ParamType>(pname, attrib.bindingIndex);
+            break;
+        case GL_VERTEX_ATTRIB_RELATIVE_OFFSET:
+            *params = CastFromGLintStateValue<ParamType>(pname, attrib.relativeOffset);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+template <typename ParamType>
+void QueryBufferParameterBase(const Buffer *buffer, GLenum pname, ParamType *params)
+{
+    ASSERT(buffer != nullptr);
+
+    switch (pname)
+    {
+        case GL_BUFFER_USAGE:
+            *params = CastFromGLintStateValue<ParamType>(pname, ToGLenum(buffer->getUsage()));
+            break;
+        case GL_BUFFER_SIZE:
+            *params = CastFromStateValue<ParamType>(pname, buffer->getSize());
+            break;
+        case GL_BUFFER_ACCESS_FLAGS:
+            *params = CastFromGLintStateValue<ParamType>(pname, buffer->getAccessFlags());
+            break;
+        case GL_BUFFER_ACCESS_OES:
+            *params = CastFromGLintStateValue<ParamType>(pname, buffer->getAccess());
+            break;
+        case GL_BUFFER_MAPPED:
+            *params = CastFromStateValue<ParamType>(pname, buffer->isMapped());
+            break;
+        case GL_BUFFER_MAP_OFFSET:
+            *params = CastFromStateValue<ParamType>(pname, buffer->getMapOffset());
+            break;
+        case GL_BUFFER_MAP_LENGTH:
+            *params = CastFromStateValue<ParamType>(pname, buffer->getMapLength());
+            break;
+        case GL_MEMORY_SIZE_ANGLE:
+            *params = CastFromStateValue<ParamType>(pname, buffer->getMemorySize());
+            break;
+        case GL_BUFFER_IMMUTABLE_STORAGE_EXT:
+            *params = CastFromStateValue<ParamType>(pname, buffer->isImmutable());
+            break;
+        case GL_BUFFER_STORAGE_FLAGS_EXT:
+            *params = CastFromGLintStateValue<ParamType>(pname, buffer->getStorageExtUsageFlags());
+            break;
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            *params = CastFromStateValue<ParamType>(
+                pname, ConvertToGLBoolean(buffer->initState() == InitState::Initialized));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+GLint GetCommonVariableProperty(const sh::ShaderVariable &var, GLenum prop)
+{
+    switch (prop)
+    {
+        case GL_TYPE:
+            return clampCast<GLint>(var.type);
+
+        case GL_ARRAY_SIZE:
+            // Queryable variables are guaranteed not to be arrays of arrays or arrays of structs,
+            // see GLES 3.1 spec section 7.3.1.1 page 77.
+            return clampCast<GLint>(var.getBasicTypeElementCount());
+
+        case GL_NAME_LENGTH:
+            // ES31 spec p84: This counts the terminating null char.
+            return clampCast<GLint>(var.name.size() + 1u);
+
+        default:
+            UNREACHABLE();
+            return GL_INVALID_VALUE;
+    }
+}
+
+GLint GetInputResourceProperty(const Program *program, GLuint index, GLenum prop)
+{
+    const sh::ShaderVariable &variable = program->getInputResource(index);
+
+    switch (prop)
+    {
+        case GL_TYPE:
+        case GL_ARRAY_SIZE:
+            return GetCommonVariableProperty(variable, prop);
+
+        case GL_NAME_LENGTH:
+            return clampCast<GLint>(program->getInputResourceName(index).size() + 1u);
+
+        case GL_LOCATION:
+            return variable.isBuiltIn() ? GL_INVALID_INDEX : variable.location;
+
+        // The query is targeted at the set of active input variables used by the first shader stage
+        // of program. If program contains multiple shader stages then input variables from any
+        // stage other than the first will not be enumerated. Since we found the variable to get
+        // this far, we know it exists in the first attached shader stage.
+        case GL_REFERENCED_BY_VERTEX_SHADER:
+            return program->getState().getFirstAttachedShaderStageType() == ShaderType::Vertex;
+        case GL_REFERENCED_BY_FRAGMENT_SHADER:
+            return program->getState().getFirstAttachedShaderStageType() == ShaderType::Fragment;
+        case GL_REFERENCED_BY_COMPUTE_SHADER:
+            return program->getState().getFirstAttachedShaderStageType() == ShaderType::Compute;
+        case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
+            return program->getState().getFirstAttachedShaderStageType() == ShaderType::Geometry;
+        case GL_REFERENCED_BY_TESS_CONTROL_SHADER_EXT:
+            return program->getState().getFirstAttachedShaderStageType() == ShaderType::TessControl;
+        case GL_REFERENCED_BY_TESS_EVALUATION_SHADER_EXT:
+            return program->getState().getFirstAttachedShaderStageType() ==
+                   ShaderType::TessEvaluation;
+        case GL_IS_PER_PATCH_EXT:
+            return variable.isPatch;
+
+        default:
+            UNREACHABLE();
+            return GL_INVALID_VALUE;
+    }
+}
+
+GLint GetOutputResourceProperty(const Program *program, GLuint index, const GLenum prop)
+{
+    const sh::ShaderVariable &outputVariable = program->getOutputResource(index);
+
+    switch (prop)
+    {
+        case GL_TYPE:
+        case GL_ARRAY_SIZE:
+            return GetCommonVariableProperty(outputVariable, prop);
+
+        case GL_NAME_LENGTH:
+            return clampCast<GLint>(program->getOutputResourceName(index).size() + 1u);
+
+        case GL_LOCATION:
+            return outputVariable.location;
+
+        case GL_LOCATION_INDEX_EXT:
+            // EXT_blend_func_extended
+            if (program->getState().getLastAttachedShaderStageType() == gl::ShaderType::Fragment)
+            {
+                return program->getFragDataIndex(outputVariable.name);
+            }
+            return GL_INVALID_INDEX;
+
+        // The set of active user-defined outputs from the final shader stage in this program. If
+        // the final stage is a Fragment Shader, then this represents the fragment outputs that get
+        // written to individual color buffers. If the program only contains a Compute Shader, then
+        // there are no user-defined outputs.
+        case GL_REFERENCED_BY_VERTEX_SHADER:
+            return program->getState().getLastAttachedShaderStageType() == ShaderType::Vertex;
+        case GL_REFERENCED_BY_FRAGMENT_SHADER:
+            return program->getState().getLastAttachedShaderStageType() == ShaderType::Fragment;
+        case GL_REFERENCED_BY_COMPUTE_SHADER:
+            return program->getState().getLastAttachedShaderStageType() == ShaderType::Compute;
+        case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
+            return program->getState().getLastAttachedShaderStageType() == ShaderType::Geometry;
+        case GL_REFERENCED_BY_TESS_CONTROL_SHADER_EXT:
+            return program->getState().getLastAttachedShaderStageType() == ShaderType::TessControl;
+        case GL_REFERENCED_BY_TESS_EVALUATION_SHADER_EXT:
+            return program->getState().getLastAttachedShaderStageType() ==
+                   ShaderType::TessEvaluation;
+        case GL_IS_PER_PATCH_EXT:
+            return outputVariable.isPatch;
+
+        default:
+            UNREACHABLE();
+            return GL_INVALID_VALUE;
+    }
+}
+
+GLint GetTransformFeedbackVaryingResourceProperty(const Program *program,
+                                                  GLuint index,
+                                                  const GLenum prop)
+{
+    const auto &tfVariable = program->getTransformFeedbackVaryingResource(index);
+    switch (prop)
+    {
+        case GL_TYPE:
+            return clampCast<GLint>(tfVariable.type);
+
+        case GL_ARRAY_SIZE:
+            return clampCast<GLint>(tfVariable.size());
+
+        case GL_NAME_LENGTH:
+            return clampCast<GLint>(tfVariable.nameWithArrayIndex().size() + 1);
+
+        default:
+            UNREACHABLE();
+            return GL_INVALID_VALUE;
+    }
+}
+
+GLint QueryProgramInterfaceActiveResources(const Program *program, GLenum programInterface)
+{
+    switch (programInterface)
+    {
+        case GL_PROGRAM_INPUT:
+            return clampCast<GLint>(program->getState().getProgramInputs().size());
+
+        case GL_PROGRAM_OUTPUT:
+            return clampCast<GLint>(program->getState().getOutputVariables().size());
+
+        case GL_UNIFORM:
+            return clampCast<GLint>(program->getState().getUniforms().size());
+
+        case GL_UNIFORM_BLOCK:
+            return clampCast<GLint>(program->getState().getUniformBlocks().size());
+
+        case GL_ATOMIC_COUNTER_BUFFER:
+            return clampCast<GLint>(program->getState().getAtomicCounterBuffers().size());
+
+        case GL_BUFFER_VARIABLE:
+            return clampCast<GLint>(program->getState().getBufferVariables().size());
+
+        case GL_SHADER_STORAGE_BLOCK:
+            return clampCast<GLint>(program->getState().getShaderStorageBlocks().size());
+
+        case GL_TRANSFORM_FEEDBACK_VARYING:
+            return clampCast<GLint>(program->getTransformFeedbackVaryingCount());
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+template <typename T, typename M>
+GLint FindMaxSize(const std::vector<T> &resources, M member)
+{
+    GLint max = 0;
+    for (const T &resource : resources)
+    {
+        max = std::max(max, clampCast<GLint>((resource.*member).size()));
+    }
+    return max;
+}
+
+GLint QueryProgramInterfaceMaxNameLength(const Program *program, GLenum programInterface)
+{
+    GLint maxNameLength = 0;
+    switch (programInterface)
+    {
+        case GL_PROGRAM_INPUT:
+            maxNameLength = program->getInputResourceMaxNameSize();
+            break;
+
+        case GL_PROGRAM_OUTPUT:
+            maxNameLength = program->getOutputResourceMaxNameSize();
+            break;
+
+        case GL_UNIFORM:
+            maxNameLength = FindMaxSize(program->getState().getUniforms(), &LinkedUniform::name);
+            break;
+
+        case GL_UNIFORM_BLOCK:
+            return program->getActiveUniformBlockMaxNameLength();
+
+        case GL_BUFFER_VARIABLE:
+            maxNameLength =
+                FindMaxSize(program->getState().getBufferVariables(), &BufferVariable::name);
+            break;
+
+        case GL_SHADER_STORAGE_BLOCK:
+            return program->getActiveShaderStorageBlockMaxNameLength();
+
+        case GL_TRANSFORM_FEEDBACK_VARYING:
+            return clampCast<GLint>(program->getTransformFeedbackVaryingMaxLength());
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+    // This length includes an extra character for the null terminator.
+    return (maxNameLength == 0 ? 0 : maxNameLength + 1);
+}
+
+GLint QueryProgramInterfaceMaxNumActiveVariables(const Program *program, GLenum programInterface)
+{
+    switch (programInterface)
+    {
+        case GL_UNIFORM_BLOCK:
+            return FindMaxSize(program->getState().getUniformBlocks(),
+                               &InterfaceBlock::memberIndexes);
+        case GL_ATOMIC_COUNTER_BUFFER:
+            return FindMaxSize(program->getState().getAtomicCounterBuffers(),
+                               &AtomicCounterBuffer::memberIndexes);
+
+        case GL_SHADER_STORAGE_BLOCK:
+            return FindMaxSize(program->getState().getShaderStorageBlocks(),
+                               &InterfaceBlock::memberIndexes);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+GLenum GetUniformPropertyEnum(GLenum prop)
+{
+    switch (prop)
+    {
+        case GL_UNIFORM_TYPE:
+            return GL_TYPE;
+        case GL_UNIFORM_SIZE:
+            return GL_ARRAY_SIZE;
+        case GL_UNIFORM_NAME_LENGTH:
+            return GL_NAME_LENGTH;
+        case GL_UNIFORM_BLOCK_INDEX:
+            return GL_BLOCK_INDEX;
+        case GL_UNIFORM_OFFSET:
+            return GL_OFFSET;
+        case GL_UNIFORM_ARRAY_STRIDE:
+            return GL_ARRAY_STRIDE;
+        case GL_UNIFORM_MATRIX_STRIDE:
+            return GL_MATRIX_STRIDE;
+        case GL_UNIFORM_IS_ROW_MAJOR:
+            return GL_IS_ROW_MAJOR;
+
+        default:
+            return prop;
+    }
+}
+
+GLenum GetUniformBlockPropertyEnum(GLenum prop)
+{
+    switch (prop)
+    {
+        case GL_UNIFORM_BLOCK_BINDING:
+            return GL_BUFFER_BINDING;
+
+        case GL_UNIFORM_BLOCK_DATA_SIZE:
+            return GL_BUFFER_DATA_SIZE;
+
+        case GL_UNIFORM_BLOCK_NAME_LENGTH:
+            return GL_NAME_LENGTH;
+
+        case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
+            return GL_NUM_ACTIVE_VARIABLES;
+
+        case GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
+            return GL_ACTIVE_VARIABLES;
+
+        case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
+            return GL_REFERENCED_BY_VERTEX_SHADER;
+
+        case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
+            return GL_REFERENCED_BY_FRAGMENT_SHADER;
+
+        default:
+            return prop;
+    }
+}
+
+void GetShaderVariableBufferResourceProperty(const ShaderVariableBuffer &buffer,
+                                             GLenum pname,
+                                             GLint *params,
+                                             GLsizei bufSize,
+                                             GLsizei *outputPosition)
+
+{
+    switch (pname)
+    {
+        case GL_BUFFER_BINDING:
+            params[(*outputPosition)++] = buffer.binding;
+            break;
+        case GL_BUFFER_DATA_SIZE:
+            params[(*outputPosition)++] = clampCast<GLint>(buffer.dataSize);
+            break;
+        case GL_NUM_ACTIVE_VARIABLES:
+            params[(*outputPosition)++] = buffer.numActiveVariables();
+            break;
+        case GL_ACTIVE_VARIABLES:
+            for (size_t memberIndex = 0;
+                 memberIndex < buffer.memberIndexes.size() && *outputPosition < bufSize;
+                 ++memberIndex)
+            {
+                params[(*outputPosition)++] = clampCast<GLint>(buffer.memberIndexes[memberIndex]);
+            }
+            break;
+        case GL_REFERENCED_BY_VERTEX_SHADER:
+            params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Vertex));
+            break;
+        case GL_REFERENCED_BY_FRAGMENT_SHADER:
+            params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Fragment));
+            break;
+        case GL_REFERENCED_BY_COMPUTE_SHADER:
+            params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Compute));
+            break;
+        case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
+            params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Geometry));
+            break;
+        case GL_REFERENCED_BY_TESS_CONTROL_SHADER_EXT:
+            params[(*outputPosition)++] =
+                static_cast<GLint>(buffer.isActive(ShaderType::TessControl));
+            break;
+        case GL_REFERENCED_BY_TESS_EVALUATION_SHADER_EXT:
+            params[(*outputPosition)++] =
+                static_cast<GLint>(buffer.isActive(ShaderType::TessEvaluation));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void GetInterfaceBlockResourceProperty(const InterfaceBlock &block,
+                                       GLenum pname,
+                                       GLint *params,
+                                       GLsizei bufSize,
+                                       GLsizei *outputPosition)
+{
+    if (pname == GL_NAME_LENGTH)
+    {
+        params[(*outputPosition)++] = clampCast<GLint>(block.nameWithArrayIndex().size() + 1);
+        return;
+    }
+    GetShaderVariableBufferResourceProperty(block, pname, params, bufSize, outputPosition);
+}
+
+void GetUniformBlockResourceProperty(const Program *program,
+                                     GLuint blockIndex,
+                                     GLenum pname,
+                                     GLint *params,
+                                     GLsizei bufSize,
+                                     GLsizei *outputPosition)
+
+{
+    ASSERT(*outputPosition < bufSize);
+    const auto &block = program->getUniformBlockByIndex(blockIndex);
+    GetInterfaceBlockResourceProperty(block, pname, params, bufSize, outputPosition);
+}
+
+void GetShaderStorageBlockResourceProperty(const Program *program,
+                                           GLuint blockIndex,
+                                           GLenum pname,
+                                           GLint *params,
+                                           GLsizei bufSize,
+                                           GLsizei *outputPosition)
+
+{
+    ASSERT(*outputPosition < bufSize);
+    const auto &block = program->getShaderStorageBlockByIndex(blockIndex);
+    GetInterfaceBlockResourceProperty(block, pname, params, bufSize, outputPosition);
+}
+
+void GetAtomicCounterBufferResourceProperty(const Program *program,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLint *params,
+                                            GLsizei bufSize,
+                                            GLsizei *outputPosition)
+
+{
+    ASSERT(*outputPosition < bufSize);
+    const auto &buffer = program->getState().getAtomicCounterBuffers()[index];
+    GetShaderVariableBufferResourceProperty(buffer, pname, params, bufSize, outputPosition);
+}
+
+bool IsTextureEnvEnumParameter(TextureEnvParameter pname)
+{
+    switch (pname)
+    {
+        case TextureEnvParameter::Mode:
+        case TextureEnvParameter::CombineRgb:
+        case TextureEnvParameter::CombineAlpha:
+        case TextureEnvParameter::Src0Rgb:
+        case TextureEnvParameter::Src1Rgb:
+        case TextureEnvParameter::Src2Rgb:
+        case TextureEnvParameter::Src0Alpha:
+        case TextureEnvParameter::Src1Alpha:
+        case TextureEnvParameter::Src2Alpha:
+        case TextureEnvParameter::Op0Rgb:
+        case TextureEnvParameter::Op1Rgb:
+        case TextureEnvParameter::Op2Rgb:
+        case TextureEnvParameter::Op0Alpha:
+        case TextureEnvParameter::Op1Alpha:
+        case TextureEnvParameter::Op2Alpha:
+        case TextureEnvParameter::PointCoordReplace:
+            return true;
+        default:
+            return false;
+    }
+}
+
+void GetShaderProgramId(ProgramPipeline *programPipeline, ShaderType shaderType, GLint *params)
+{
+    ASSERT(params);
+
+    *params = 0;
+    if (programPipeline)
+    {
+        const Program *program = programPipeline->getShaderProgram(shaderType);
+        if (program)
+        {
+            *params = program->id().value;
+        }
+    }
+}
+
+}  // namespace
+
+void QueryFramebufferAttachmentParameteriv(const Context *context,
+                                           const Framebuffer *framebuffer,
+                                           GLenum attachment,
+                                           GLenum pname,
+                                           GLint *params)
+{
+    ASSERT(framebuffer);
+
+    const FramebufferAttachment *attachmentObject = framebuffer->getAttachment(context, attachment);
+
+    if (attachmentObject == nullptr)
+    {
+        // ES 2.0.25 spec pg 127 states that if the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
+        // is NONE, then querying any other pname will generate INVALID_ENUM.
+
+        // ES 3.0.2 spec pg 235 states that if the attachment type is none,
+        // GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero and be an
+        // INVALID_OPERATION for all other pnames
+
+        switch (pname)
+        {
+            case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
+                *params = GL_NONE;
+                break;
+
+            case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+                *params = 0;
+                break;
+
+            default:
+                UNREACHABLE();
+                break;
+        }
+
+        return;
+    }
+
+    switch (pname)
+    {
+        case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
+            *params = attachmentObject->type();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+            *params = attachmentObject->id();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
+            *params = attachmentObject->mipLevel();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE:
+        {
+            TextureTarget face = attachmentObject->cubeMapFace();
+            if (face != TextureTarget::InvalidEnum)
+            {
+                *params = ToGLenum(attachmentObject->cubeMapFace());
+            }
+            else
+            {
+                // This happens when the attachment isn't a texture cube map face
+                *params = GL_NONE;
+            }
+        }
+        break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+            *params = attachmentObject->getRedSize();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+            *params = attachmentObject->getGreenSize();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+            *params = attachmentObject->getBlueSize();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+            *params = attachmentObject->getAlphaSize();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+            *params = attachmentObject->getDepthSize();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+            *params = attachmentObject->getStencilSize();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
+            *params = attachmentObject->getComponentType();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
+            *params = attachmentObject->getColorEncoding();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER:
+            *params = attachmentObject->layer();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR:
+            *params = attachmentObject->getNumViews();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR:
+            *params = attachmentObject->getBaseViewIndex();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_LAYERED_EXT:
+            *params = attachmentObject->isLayered();
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT:
+            if (attachmentObject->type() == GL_TEXTURE)
+            {
+                *params = attachmentObject->getSamples();
+            }
+            else
+            {
+                *params = 0;
+            }
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryBufferParameteriv(const Buffer *buffer, GLenum pname, GLint *params)
+{
+    QueryBufferParameterBase(buffer, pname, params);
+}
+
+void QueryBufferParameteri64v(const Buffer *buffer, GLenum pname, GLint64 *params)
+{
+    QueryBufferParameterBase(buffer, pname, params);
+}
+
+void QueryBufferPointerv(const Buffer *buffer, GLenum pname, void **params)
+{
+    switch (pname)
+    {
+        case GL_BUFFER_MAP_POINTER:
+            *params = buffer->getMapPointer();
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryProgramiv(Context *context, const Program *program, GLenum pname, GLint *params)
+{
+    ASSERT(program != nullptr || pname == GL_COMPLETION_STATUS_KHR);
+
+    switch (pname)
+    {
+        case GL_DELETE_STATUS:
+            *params = program->isFlaggedForDeletion();
+            return;
+        case GL_LINK_STATUS:
+            *params = program->isLinked();
+            return;
+        case GL_COMPLETION_STATUS_KHR:
+            if (context->isContextLost())
+            {
+                *params = GL_TRUE;
+            }
+            else
+            {
+                *params = program->isLinking() ? GL_FALSE : GL_TRUE;
+            }
+            return;
+        case GL_VALIDATE_STATUS:
+            *params = program->isValidated();
+            return;
+        case GL_INFO_LOG_LENGTH:
+            *params = program->getExecutable().getInfoLogLength();
+            return;
+        case GL_ATTACHED_SHADERS:
+            *params = program->getAttachedShadersCount();
+            return;
+        case GL_ACTIVE_ATTRIBUTES:
+            *params = program->getActiveAttributeCount();
+            return;
+        case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
+            *params = program->getActiveAttributeMaxLength();
+            return;
+        case GL_ACTIVE_UNIFORMS:
+            *params = program->getActiveUniformCount();
+            return;
+        case GL_ACTIVE_UNIFORM_MAX_LENGTH:
+            *params = program->getActiveUniformMaxLength();
+            return;
+        case GL_PROGRAM_BINARY_LENGTH_OES:
+            *params = context->getCaps().programBinaryFormats.empty()
+                          ? 0
+                          : program->getBinaryLength(context);
+            return;
+        case GL_ACTIVE_UNIFORM_BLOCKS:
+            *params = program->getActiveUniformBlockCount();
+            return;
+        case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:
+            *params = program->getActiveUniformBlockMaxNameLength();
+            break;
+        case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
+            *params = program->getTransformFeedbackBufferMode();
+            break;
+        case GL_TRANSFORM_FEEDBACK_VARYINGS:
+            *params = clampCast<GLint>(program->getTransformFeedbackVaryingCount());
+            break;
+        case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
+            *params = program->getTransformFeedbackVaryingMaxLength();
+            break;
+        case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
+            *params = program->getBinaryRetrievableHint();
+            break;
+        case GL_PROGRAM_SEPARABLE:
+            // From es31cSeparateShaderObjsTests.cpp:
+            // ProgramParameteri PROGRAM_SEPARABLE
+            // NOTE: The query for PROGRAM_SEPARABLE must query latched
+            //       state. In other words, the state of the binary after
+            //       it was linked. So in the tests below, the queries
+            //       should return the default state GL_FALSE since the
+            //       program has no linked binary.
+            *params = program->isSeparable() && program->isLinked();
+            break;
+        case GL_COMPUTE_WORK_GROUP_SIZE:
+        {
+            const sh::WorkGroupSize &localSize = program->getComputeShaderLocalSize();
+            params[0]                          = localSize[0];
+            params[1]                          = localSize[1];
+            params[2]                          = localSize[2];
+        }
+        break;
+        case GL_ACTIVE_ATOMIC_COUNTER_BUFFERS:
+            *params = program->getActiveAtomicCounterBufferCount();
+            break;
+        case GL_GEOMETRY_LINKED_INPUT_TYPE_EXT:
+            *params = ToGLenum(program->getGeometryShaderInputPrimitiveType());
+            break;
+        case GL_GEOMETRY_LINKED_OUTPUT_TYPE_EXT:
+            *params = ToGLenum(program->getGeometryShaderOutputPrimitiveType());
+            break;
+        case GL_GEOMETRY_LINKED_VERTICES_OUT_EXT:
+            *params = program->getGeometryShaderMaxVertices();
+            break;
+        case GL_GEOMETRY_SHADER_INVOCATIONS_EXT:
+            *params = program->getGeometryShaderInvocations();
+            break;
+        case GL_TESS_CONTROL_OUTPUT_VERTICES_EXT:
+            *params = program->getTessControlShaderVertices();
+            break;
+        case GL_TESS_GEN_MODE_EXT:
+            *params = program->getTessGenMode();
+            break;
+        case GL_TESS_GEN_SPACING_EXT:
+            *params = program->getTessGenSpacing() ? program->getTessGenSpacing() : GL_EQUAL;
+            break;
+        case GL_TESS_GEN_VERTEX_ORDER:
+            *params = program->getTessGenVertexOrder() ? program->getTessGenVertexOrder() : GL_CCW;
+            break;
+        case GL_TESS_GEN_POINT_MODE_EXT:
+            *params = program->getTessGenPointMode() ? GL_TRUE : GL_FALSE;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryRenderbufferiv(const Context *context,
+                         const Renderbuffer *renderbuffer,
+                         GLenum pname,
+                         GLint *params)
+{
+    ASSERT(renderbuffer != nullptr);
+
+    switch (pname)
+    {
+        case GL_RENDERBUFFER_WIDTH:
+            *params = renderbuffer->getWidth();
+            break;
+        case GL_RENDERBUFFER_HEIGHT:
+            *params = renderbuffer->getHeight();
+            break;
+        case GL_RENDERBUFFER_INTERNAL_FORMAT:
+            // Special case the WebGL 1 DEPTH_STENCIL format.
+            if (context->isWebGL1() &&
+                renderbuffer->getFormat().info->internalFormat == GL_DEPTH24_STENCIL8)
+            {
+                *params = GL_DEPTH_STENCIL;
+            }
+            else
+            {
+                *params = renderbuffer->getFormat().info->internalFormat;
+            }
+            break;
+        case GL_RENDERBUFFER_RED_SIZE:
+            *params = renderbuffer->getRedSize();
+            break;
+        case GL_RENDERBUFFER_GREEN_SIZE:
+            *params = renderbuffer->getGreenSize();
+            break;
+        case GL_RENDERBUFFER_BLUE_SIZE:
+            *params = renderbuffer->getBlueSize();
+            break;
+        case GL_RENDERBUFFER_ALPHA_SIZE:
+            *params = renderbuffer->getAlphaSize();
+            break;
+        case GL_RENDERBUFFER_DEPTH_SIZE:
+            *params = renderbuffer->getDepthSize();
+            break;
+        case GL_RENDERBUFFER_STENCIL_SIZE:
+            *params = renderbuffer->getStencilSize();
+            break;
+        case GL_RENDERBUFFER_SAMPLES_ANGLE:
+            *params = renderbuffer->getState().getSamples();
+            break;
+        case GL_MEMORY_SIZE_ANGLE:
+            *params = renderbuffer->getMemorySize();
+            break;
+        case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+            *params = static_cast<GLint>(renderbuffer->getImplementationColorReadFormat(context));
+            break;
+        case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+            *params = static_cast<GLint>(renderbuffer->getImplementationColorReadType(context));
+            break;
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            *params = (renderbuffer->initState(GL_NONE, ImageIndex()) == InitState::Initialized);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryShaderiv(const Context *context, Shader *shader, GLenum pname, GLint *params)
+{
+    ASSERT(shader != nullptr || pname == GL_COMPLETION_STATUS_KHR);
+
+    switch (pname)
+    {
+        case GL_SHADER_TYPE:
+            *params = static_cast<GLint>(ToGLenum(shader->getType()));
+            return;
+        case GL_DELETE_STATUS:
+            *params = shader->isFlaggedForDeletion();
+            return;
+        case GL_COMPILE_STATUS:
+            *params = shader->isCompiled(context) ? GL_TRUE : GL_FALSE;
+            return;
+        case GL_COMPLETION_STATUS_KHR:
+            if (context->isContextLost())
+            {
+                *params = GL_TRUE;
+            }
+            else
+            {
+                *params = shader->isCompleted() ? GL_TRUE : GL_FALSE;
+            }
+            return;
+        case GL_INFO_LOG_LENGTH:
+            *params = shader->getInfoLogLength(context);
+            return;
+        case GL_SHADER_SOURCE_LENGTH:
+            *params = shader->getSourceLength();
+            return;
+        case GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE:
+            *params = shader->getTranslatedSourceWithDebugInfoLength(context);
+            return;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryTexLevelParameterfv(const Texture *texture,
+                              TextureTarget target,
+                              GLint level,
+                              GLenum pname,
+                              GLfloat *params)
+{
+    QueryTexLevelParameterBase(texture, target, level, pname, params);
+}
+
+void QueryTexLevelParameteriv(const Texture *texture,
+                              TextureTarget target,
+                              GLint level,
+                              GLenum pname,
+                              GLint *params)
+{
+    QueryTexLevelParameterBase(texture, target, level, pname, params);
+}
+
+void QueryTexParameterfv(const Context *context,
+                         const Texture *texture,
+                         GLenum pname,
+                         GLfloat *params)
+{
+    QueryTexParameterBase<false, false>(context, texture, pname, params);
+}
+
+void QueryTexParameterxv(const Context *context,
+                         const Texture *texture,
+                         GLenum pname,
+                         GLfixed *params)
+{
+    QueryTexParameterBase<false, true>(context, texture, pname, params);
+}
+
+void QueryTexParameteriv(const Context *context,
+                         const Texture *texture,
+                         GLenum pname,
+                         GLint *params)
+{
+    QueryTexParameterBase<false, false>(context, texture, pname, params);
+}
+
+void QueryTexParameterIiv(const Context *context,
+                          const Texture *texture,
+                          GLenum pname,
+                          GLint *params)
+{
+    QueryTexParameterBase<true, false>(context, texture, pname, params);
+}
+
+void QueryTexParameterIuiv(const Context *context,
+                           const Texture *texture,
+                           GLenum pname,
+                           GLuint *params)
+{
+    QueryTexParameterBase<true, false>(context, texture, pname, params);
+}
+
+void QuerySamplerParameterfv(const Sampler *sampler, GLenum pname, GLfloat *params)
+{
+    QuerySamplerParameterBase<false>(sampler, pname, params);
+}
+
+void QuerySamplerParameteriv(const Sampler *sampler, GLenum pname, GLint *params)
+{
+    QuerySamplerParameterBase<false>(sampler, pname, params);
+}
+
+void QuerySamplerParameterIiv(const Sampler *sampler, GLenum pname, GLint *params)
+{
+    QuerySamplerParameterBase<true>(sampler, pname, params);
+}
+
+void QuerySamplerParameterIuiv(const Sampler *sampler, GLenum pname, GLuint *params)
+{
+    QuerySamplerParameterBase<true>(sampler, pname, params);
+}
+
+void QueryVertexAttribfv(const VertexAttribute &attrib,
+                         const VertexBinding &binding,
+                         const VertexAttribCurrentValueData &currentValueData,
+                         GLenum pname,
+                         GLfloat *params)
+{
+    QueryVertexAttribBase(attrib, binding, currentValueData.Values.FloatValues, pname, params);
+}
+
+void QueryVertexAttribiv(const VertexAttribute &attrib,
+                         const VertexBinding &binding,
+                         const VertexAttribCurrentValueData &currentValueData,
+                         GLenum pname,
+                         GLint *params)
+{
+    QueryVertexAttribBase(attrib, binding, currentValueData.Values.FloatValues, pname, params);
+}
+
+void QueryVertexAttribPointerv(const VertexAttribute &attrib, GLenum pname, void **pointer)
+{
+    switch (pname)
+    {
+        case GL_VERTEX_ATTRIB_ARRAY_POINTER:
+            *pointer = const_cast<void *>(attrib.pointer);
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryVertexAttribIiv(const VertexAttribute &attrib,
+                          const VertexBinding &binding,
+                          const VertexAttribCurrentValueData &currentValueData,
+                          GLenum pname,
+                          GLint *params)
+{
+    QueryVertexAttribBase(attrib, binding, currentValueData.Values.IntValues, pname, params);
+}
+
+void QueryVertexAttribIuiv(const VertexAttribute &attrib,
+                           const VertexBinding &binding,
+                           const VertexAttribCurrentValueData &currentValueData,
+                           GLenum pname,
+                           GLuint *params)
+{
+    QueryVertexAttribBase(attrib, binding, currentValueData.Values.UnsignedIntValues, pname,
+                          params);
+}
+
+void QueryActiveUniformBlockiv(const Program *program,
+                               UniformBlockIndex uniformBlockIndex,
+                               GLenum pname,
+                               GLint *params)
+{
+    GLenum prop = GetUniformBlockPropertyEnum(pname);
+    QueryProgramResourceiv(program, GL_UNIFORM_BLOCK, uniformBlockIndex, 1, &prop,
+                           std::numeric_limits<GLsizei>::max(), nullptr, params);
+}
+
+void QueryInternalFormativ(const TextureCaps &format, GLenum pname, GLsizei bufSize, GLint *params)
+{
+    switch (pname)
+    {
+        case GL_NUM_SAMPLE_COUNTS:
+            if (bufSize != 0)
+            {
+                *params = clampCast<GLint>(format.sampleCounts.size());
+            }
+            break;
+
+        case GL_SAMPLES:
+        {
+            size_t returnCount   = std::min<size_t>(bufSize, format.sampleCounts.size());
+            auto sampleReverseIt = format.sampleCounts.rbegin();
+            for (size_t sampleIndex = 0; sampleIndex < returnCount; ++sampleIndex)
+            {
+                params[sampleIndex] = *sampleReverseIt++;
+            }
+        }
+        break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryFramebufferParameteriv(const Framebuffer *framebuffer, GLenum pname, GLint *params)
+{
+    ASSERT(framebuffer);
+
+    switch (pname)
+    {
+        case GL_FRAMEBUFFER_DEFAULT_WIDTH:
+            *params = framebuffer->getDefaultWidth();
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
+            *params = framebuffer->getDefaultHeight();
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
+            *params = framebuffer->getDefaultSamples();
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
+            *params = ConvertToGLBoolean(framebuffer->getDefaultFixedSampleLocations());
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT:
+            *params = framebuffer->getDefaultLayers();
+            break;
+        case GL_FRAMEBUFFER_FLIP_Y_MESA:
+            *params = ConvertToGLBoolean(framebuffer->getFlipY());
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+angle::Result QuerySynciv(const Context *context,
+                          const Sync *sync,
+                          GLenum pname,
+                          GLsizei bufSize,
+                          GLsizei *length,
+                          GLint *values)
+{
+    ASSERT(sync != nullptr || pname == GL_SYNC_STATUS);
+
+    // All queries return one value, exit early if the buffer can't fit anything.
+    if (bufSize < 1)
+    {
+        if (length != nullptr)
+        {
+            *length = 0;
+        }
+        return angle::Result::Continue;
+    }
+
+    switch (pname)
+    {
+        case GL_OBJECT_TYPE:
+            *values = clampCast<GLint>(GL_SYNC_FENCE);
+            break;
+        case GL_SYNC_CONDITION:
+            *values = clampCast<GLint>(sync->getCondition());
+            break;
+        case GL_SYNC_FLAGS:
+            *values = clampCast<GLint>(sync->getFlags());
+            break;
+        case GL_SYNC_STATUS:
+            if (context->isContextLost())
+            {
+                *values = GL_SIGNALED;
+            }
+            else
+            {
+                ANGLE_TRY(sync->getStatus(context, values));
+            }
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    if (length != nullptr)
+    {
+        *length = 1;
+    }
+
+    return angle::Result::Continue;
+}
+
+void SetTexParameterx(Context *context, Texture *texture, GLenum pname, GLfixed param)
+{
+    SetTexParameterBase<false, true>(context, texture, pname, &param);
+}
+
+void SetTexParameterxv(Context *context, Texture *texture, GLenum pname, const GLfixed *params)
+{
+    SetTexParameterBase<false, true>(context, texture, pname, params);
+}
+
+void SetTexParameterf(Context *context, Texture *texture, GLenum pname, GLfloat param)
+{
+    SetTexParameterBase<false, false>(context, texture, pname, &param);
+}
+
+void SetTexParameterfv(Context *context, Texture *texture, GLenum pname, const GLfloat *params)
+{
+    SetTexParameterBase<false, false>(context, texture, pname, params);
+}
+
+void SetTexParameteri(Context *context, Texture *texture, GLenum pname, GLint param)
+{
+    SetTexParameterBase<false, false>(context, texture, pname, &param);
+}
+
+void SetTexParameteriv(Context *context, Texture *texture, GLenum pname, const GLint *params)
+{
+    SetTexParameterBase<false, false>(context, texture, pname, params);
+}
+
+void SetTexParameterIiv(Context *context, Texture *texture, GLenum pname, const GLint *params)
+{
+    SetTexParameterBase<true, false>(context, texture, pname, params);
+}
+
+void SetTexParameterIuiv(Context *context, Texture *texture, GLenum pname, const GLuint *params)
+{
+    SetTexParameterBase<true, false>(context, texture, pname, params);
+}
+
+void SetSamplerParameterf(Context *context, Sampler *sampler, GLenum pname, GLfloat param)
+{
+    SetSamplerParameterBase<false>(context, sampler, pname, &param);
+}
+
+void SetSamplerParameterfv(Context *context, Sampler *sampler, GLenum pname, const GLfloat *params)
+{
+    SetSamplerParameterBase<false>(context, sampler, pname, params);
+}
+
+void SetSamplerParameteri(Context *context, Sampler *sampler, GLenum pname, GLint param)
+{
+    SetSamplerParameterBase<false>(context, sampler, pname, &param);
+}
+
+void SetSamplerParameteriv(Context *context, Sampler *sampler, GLenum pname, const GLint *params)
+{
+    SetSamplerParameterBase<false>(context, sampler, pname, params);
+}
+
+void SetSamplerParameterIiv(Context *context, Sampler *sampler, GLenum pname, const GLint *params)
+{
+    SetSamplerParameterBase<true>(context, sampler, pname, params);
+}
+
+void SetSamplerParameterIuiv(Context *context, Sampler *sampler, GLenum pname, const GLuint *params)
+{
+    SetSamplerParameterBase<true>(context, sampler, pname, params);
+}
+
+void SetFramebufferParameteri(const Context *context,
+                              Framebuffer *framebuffer,
+                              GLenum pname,
+                              GLint param)
+{
+    ASSERT(framebuffer);
+
+    switch (pname)
+    {
+        case GL_FRAMEBUFFER_DEFAULT_WIDTH:
+            framebuffer->setDefaultWidth(context, param);
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
+            framebuffer->setDefaultHeight(context, param);
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
+            framebuffer->setDefaultSamples(context, param);
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
+            framebuffer->setDefaultFixedSampleLocations(context, ConvertToBool(param));
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT:
+            framebuffer->setDefaultLayers(param);
+            break;
+        case GL_FRAMEBUFFER_FLIP_Y_MESA:
+            framebuffer->setFlipY(ConvertToBool(param));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void SetProgramParameteri(Program *program, GLenum pname, GLint value)
+{
+    ASSERT(program);
+
+    switch (pname)
+    {
+        case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
+            program->setBinaryRetrievableHint(ConvertToBool(value));
+            break;
+        case GL_PROGRAM_SEPARABLE:
+            program->setSeparable(ConvertToBool(value));
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+GLint GetUniformResourceProperty(const Program *program, GLuint index, const GLenum prop)
+{
+    const auto &uniform = program->getUniformByIndex(index);
+    GLenum resourceProp = GetUniformPropertyEnum(prop);
+    switch (resourceProp)
+    {
+        case GL_TYPE:
+        case GL_ARRAY_SIZE:
+        case GL_NAME_LENGTH:
+            return GetCommonVariableProperty(uniform, resourceProp);
+
+        case GL_LOCATION:
+            return program->getUniformLocation(uniform.name).value;
+
+        case GL_BLOCK_INDEX:
+            return (uniform.isAtomicCounter() ? -1 : uniform.bufferIndex);
+
+        case GL_OFFSET:
+            return uniform.blockInfo.offset;
+
+        case GL_ARRAY_STRIDE:
+            return uniform.blockInfo.arrayStride;
+
+        case GL_MATRIX_STRIDE:
+            return uniform.blockInfo.matrixStride;
+
+        case GL_IS_ROW_MAJOR:
+            return static_cast<GLint>(uniform.blockInfo.isRowMajorMatrix);
+
+        case GL_REFERENCED_BY_VERTEX_SHADER:
+            return uniform.isActive(ShaderType::Vertex);
+
+        case GL_REFERENCED_BY_FRAGMENT_SHADER:
+            return uniform.isActive(ShaderType::Fragment);
+
+        case GL_REFERENCED_BY_COMPUTE_SHADER:
+            return uniform.isActive(ShaderType::Compute);
+
+        case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
+            return uniform.isActive(ShaderType::Geometry);
+
+        case GL_REFERENCED_BY_TESS_CONTROL_SHADER_EXT:
+            return uniform.isActive(ShaderType::TessControl);
+
+        case GL_REFERENCED_BY_TESS_EVALUATION_SHADER_EXT:
+            return uniform.isActive(ShaderType::TessEvaluation);
+
+        case GL_ATOMIC_COUNTER_BUFFER_INDEX:
+            return (uniform.isAtomicCounter() ? uniform.bufferIndex : -1);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+GLint GetBufferVariableResourceProperty(const Program *program, GLuint index, const GLenum prop)
+{
+    const BufferVariable &bufferVariable = program->getBufferVariableByIndex(index);
+    switch (prop)
+    {
+        case GL_TYPE:
+        case GL_ARRAY_SIZE:
+        case GL_NAME_LENGTH:
+            return GetCommonVariableProperty(bufferVariable, prop);
+
+        case GL_BLOCK_INDEX:
+            return bufferVariable.bufferIndex;
+
+        case GL_OFFSET:
+            return bufferVariable.blockInfo.offset;
+
+        case GL_ARRAY_STRIDE:
+            return bufferVariable.blockInfo.arrayStride;
+
+        case GL_MATRIX_STRIDE:
+            return bufferVariable.blockInfo.matrixStride;
+
+        case GL_IS_ROW_MAJOR:
+            return static_cast<GLint>(bufferVariable.blockInfo.isRowMajorMatrix);
+
+        case GL_REFERENCED_BY_VERTEX_SHADER:
+            return bufferVariable.isActive(ShaderType::Vertex);
+
+        case GL_REFERENCED_BY_FRAGMENT_SHADER:
+            return bufferVariable.isActive(ShaderType::Fragment);
+
+        case GL_REFERENCED_BY_COMPUTE_SHADER:
+            return bufferVariable.isActive(ShaderType::Compute);
+
+        case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
+            return bufferVariable.isActive(ShaderType::Geometry);
+
+        case GL_REFERENCED_BY_TESS_CONTROL_SHADER_EXT:
+            return bufferVariable.isActive(ShaderType::TessControl);
+
+        case GL_REFERENCED_BY_TESS_EVALUATION_SHADER_EXT:
+            return bufferVariable.isActive(ShaderType::TessEvaluation);
+
+        case GL_TOP_LEVEL_ARRAY_SIZE:
+            return bufferVariable.topLevelArraySize;
+
+        case GL_TOP_LEVEL_ARRAY_STRIDE:
+            return bufferVariable.blockInfo.topLevelArrayStride;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+GLuint QueryProgramResourceIndex(const Program *program,
+                                 GLenum programInterface,
+                                 const GLchar *name)
+{
+    switch (programInterface)
+    {
+        case GL_PROGRAM_INPUT:
+            return program->getInputResourceIndex(name);
+
+        case GL_PROGRAM_OUTPUT:
+            return program->getOutputResourceIndex(name);
+
+        case GL_UNIFORM:
+            return program->getState().getUniformIndexFromName(name);
+
+        case GL_BUFFER_VARIABLE:
+            return program->getState().getBufferVariableIndexFromName(name);
+
+        case GL_SHADER_STORAGE_BLOCK:
+            return program->getShaderStorageBlockIndex(name);
+
+        case GL_UNIFORM_BLOCK:
+            return program->getUniformBlockIndex(name);
+
+        case GL_TRANSFORM_FEEDBACK_VARYING:
+            return program->getTransformFeedbackVaryingResourceIndex(name);
+
+        default:
+            UNREACHABLE();
+            return GL_INVALID_INDEX;
+    }
+}
+
+void QueryProgramResourceName(const Context *context,
+                              const Program *program,
+                              GLenum programInterface,
+                              GLuint index,
+                              GLsizei bufSize,
+                              GLsizei *length,
+                              GLchar *name)
+{
+    switch (programInterface)
+    {
+        case GL_PROGRAM_INPUT:
+            program->getInputResourceName(index, bufSize, length, name);
+            break;
+
+        case GL_PROGRAM_OUTPUT:
+            program->getOutputResourceName(index, bufSize, length, name);
+            break;
+
+        case GL_UNIFORM:
+            program->getUniformResourceName(index, bufSize, length, name);
+            break;
+
+        case GL_BUFFER_VARIABLE:
+            program->getBufferVariableResourceName(index, bufSize, length, name);
+            break;
+
+        case GL_SHADER_STORAGE_BLOCK:
+            program->getActiveShaderStorageBlockName(index, bufSize, length, name);
+            break;
+
+        case GL_UNIFORM_BLOCK:
+            program->getActiveUniformBlockName(context, {index}, bufSize, length, name);
+            break;
+
+        case GL_TRANSFORM_FEEDBACK_VARYING:
+            program->getTransformFeedbackVarying(index, bufSize, length, nullptr, nullptr, name);
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+}
+
+GLint QueryProgramResourceLocation(const Program *program,
+                                   GLenum programInterface,
+                                   const GLchar *name)
+{
+    switch (programInterface)
+    {
+        case GL_PROGRAM_INPUT:
+            return program->getInputResourceLocation(name);
+
+        case GL_PROGRAM_OUTPUT:
+            return program->getOutputResourceLocation(name);
+
+        case GL_UNIFORM:
+            return program->getUniformLocation(name).value;
+
+        default:
+            UNREACHABLE();
+            return -1;
+    }
+}
+
+void QueryProgramResourceiv(const Program *program,
+                            GLenum programInterface,
+                            UniformBlockIndex index,
+                            GLsizei propCount,
+                            const GLenum *props,
+                            GLsizei bufSize,
+                            GLsizei *length,
+                            GLint *params)
+{
+    if (!program->isLinked())
+    {
+        return;
+    }
+
+    if (length != nullptr)
+    {
+        *length = 0;
+    }
+
+    if (bufSize == 0)
+    {
+        // No room to write the results
+        return;
+    }
+
+    GLsizei pos = 0;
+    for (GLsizei i = 0; i < propCount; i++)
+    {
+        switch (programInterface)
+        {
+            case GL_PROGRAM_INPUT:
+                params[i] = GetInputResourceProperty(program, index.value, props[i]);
+                ++pos;
+                break;
+
+            case GL_PROGRAM_OUTPUT:
+                params[i] = GetOutputResourceProperty(program, index.value, props[i]);
+                ++pos;
+                break;
+
+            case GL_UNIFORM:
+                params[i] = GetUniformResourceProperty(program, index.value, props[i]);
+                ++pos;
+                break;
+
+            case GL_BUFFER_VARIABLE:
+                params[i] = GetBufferVariableResourceProperty(program, index.value, props[i]);
+                ++pos;
+                break;
+
+            case GL_UNIFORM_BLOCK:
+                GetUniformBlockResourceProperty(program, index.value, props[i], params, bufSize,
+                                                &pos);
+                break;
+
+            case GL_SHADER_STORAGE_BLOCK:
+                GetShaderStorageBlockResourceProperty(program, index.value, props[i], params,
+                                                      bufSize, &pos);
+                break;
+
+            case GL_ATOMIC_COUNTER_BUFFER:
+                GetAtomicCounterBufferResourceProperty(program, index.value, props[i], params,
+                                                       bufSize, &pos);
+                break;
+
+            case GL_TRANSFORM_FEEDBACK_VARYING:
+                params[i] =
+                    GetTransformFeedbackVaryingResourceProperty(program, index.value, props[i]);
+                ++pos;
+                break;
+
+            default:
+                UNREACHABLE();
+                params[i] = GL_INVALID_VALUE;
+        }
+        if (pos == bufSize)
+        {
+            // Most properties return one value, but GL_ACTIVE_VARIABLES returns an array of values.
+            // This checks not to break buffer bounds for such case.
+            break;
+        }
+    }
+
+    if (length != nullptr)
+    {
+        *length = pos;
+    }
+}
+
+void QueryProgramInterfaceiv(const Program *program,
+                             GLenum programInterface,
+                             GLenum pname,
+                             GLint *params)
+{
+    switch (pname)
+    {
+        case GL_ACTIVE_RESOURCES:
+            *params = QueryProgramInterfaceActiveResources(program, programInterface);
+            break;
+
+        case GL_MAX_NAME_LENGTH:
+            *params = QueryProgramInterfaceMaxNameLength(program, programInterface);
+            break;
+
+        case GL_MAX_NUM_ACTIVE_VARIABLES:
+            *params = QueryProgramInterfaceMaxNumActiveVariables(program, programInterface);
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+}
+
+angle::Result SetMemoryObjectParameteriv(const Context *context,
+                                         MemoryObject *memoryObject,
+                                         GLenum pname,
+                                         const GLint *params)
+{
+    switch (pname)
+    {
+        case GL_DEDICATED_MEMORY_OBJECT_EXT:
+            ANGLE_TRY(memoryObject->setDedicatedMemory(context, ConvertToBool(params[0])));
+            break;
+
+        case GL_PROTECTED_MEMORY_OBJECT_EXT:
+            ANGLE_TRY(memoryObject->setProtectedMemory(context, ConvertToBool(params[0])));
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    return angle::Result::Continue;
+}
+
+void QueryMemoryObjectParameteriv(const MemoryObject *memoryObject, GLenum pname, GLint *params)
+{
+    switch (pname)
+    {
+        case GL_DEDICATED_MEMORY_OBJECT_EXT:
+            *params = memoryObject->isDedicatedMemory();
+            break;
+
+        case GL_PROTECTED_MEMORY_OBJECT_EXT:
+            *params = memoryObject->isProtectedMemory();
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+}
+
+ClientVertexArrayType ParamToVertexArrayType(GLenum param)
+{
+    switch (param)
+    {
+        case GL_VERTEX_ARRAY:
+        case GL_VERTEX_ARRAY_BUFFER_BINDING:
+        case GL_VERTEX_ARRAY_STRIDE:
+        case GL_VERTEX_ARRAY_SIZE:
+        case GL_VERTEX_ARRAY_TYPE:
+        case GL_VERTEX_ARRAY_POINTER:
+            return ClientVertexArrayType::Vertex;
+        case GL_NORMAL_ARRAY:
+        case GL_NORMAL_ARRAY_BUFFER_BINDING:
+        case GL_NORMAL_ARRAY_STRIDE:
+        case GL_NORMAL_ARRAY_TYPE:
+        case GL_NORMAL_ARRAY_POINTER:
+            return ClientVertexArrayType::Normal;
+        case GL_COLOR_ARRAY:
+        case GL_COLOR_ARRAY_BUFFER_BINDING:
+        case GL_COLOR_ARRAY_STRIDE:
+        case GL_COLOR_ARRAY_SIZE:
+        case GL_COLOR_ARRAY_TYPE:
+        case GL_COLOR_ARRAY_POINTER:
+            return ClientVertexArrayType::Color;
+        case GL_POINT_SIZE_ARRAY_OES:
+        case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
+        case GL_POINT_SIZE_ARRAY_STRIDE_OES:
+        case GL_POINT_SIZE_ARRAY_TYPE_OES:
+        case GL_POINT_SIZE_ARRAY_POINTER_OES:
+            return ClientVertexArrayType::PointSize;
+        case GL_TEXTURE_COORD_ARRAY:
+        case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
+        case GL_TEXTURE_COORD_ARRAY_STRIDE:
+        case GL_TEXTURE_COORD_ARRAY_SIZE:
+        case GL_TEXTURE_COORD_ARRAY_TYPE:
+        case GL_TEXTURE_COORD_ARRAY_POINTER:
+            return ClientVertexArrayType::TextureCoord;
+        default:
+            UNREACHABLE();
+            return ClientVertexArrayType::InvalidEnum;
+    }
+}
+
+void SetLightModelParameters(GLES1State *state, GLenum pname, const GLfloat *params)
+{
+    LightModelParameters &lightModel = state->lightModelParameters();
+
+    switch (pname)
+    {
+        case GL_LIGHT_MODEL_AMBIENT:
+            lightModel.color = ColorF::fromData(params);
+            break;
+        case GL_LIGHT_MODEL_TWO_SIDE:
+            lightModel.twoSided = *params == 1.0f ? true : false;
+            break;
+        default:
+            break;
+    }
+}
+
+void GetLightModelParameters(const GLES1State *state, GLenum pname, GLfloat *params)
+{
+    const LightModelParameters &lightModel = state->lightModelParameters();
+
+    switch (pname)
+    {
+        case GL_LIGHT_MODEL_TWO_SIDE:
+            *params = lightModel.twoSided ? 1.0f : 0.0f;
+            break;
+        case GL_LIGHT_MODEL_AMBIENT:
+            lightModel.color.writeData(params);
+            break;
+        default:
+            break;
+    }
+}
+
+bool IsLightModelTwoSided(const GLES1State *state)
+{
+    return state->lightModelParameters().twoSided;
+}
+
+void SetLightParameters(GLES1State *state,
+                        GLenum light,
+                        LightParameter pname,
+                        const GLfloat *params)
+{
+    uint32_t lightIndex = light - GL_LIGHT0;
+
+    LightParameters &lightParams = state->lightParameters(lightIndex);
+
+    switch (pname)
+    {
+        case LightParameter::Ambient:
+            lightParams.ambient = ColorF::fromData(params);
+            break;
+        case LightParameter::Diffuse:
+            lightParams.diffuse = ColorF::fromData(params);
+            break;
+        case LightParameter::Specular:
+            lightParams.specular = ColorF::fromData(params);
+            break;
+        case LightParameter::Position:
+        {
+            angle::Mat4 mv = state->getModelviewMatrix();
+            angle::Vector4 transformedPos =
+                mv.product(angle::Vector4(params[0], params[1], params[2], params[3]));
+            lightParams.position[0] = transformedPos[0];
+            lightParams.position[1] = transformedPos[1];
+            lightParams.position[2] = transformedPos[2];
+            lightParams.position[3] = transformedPos[3];
+        }
+        break;
+        case LightParameter::SpotDirection:
+        {
+            angle::Mat4 mv = state->getModelviewMatrix();
+            angle::Vector4 transformedPos =
+                mv.product(angle::Vector4(params[0], params[1], params[2], 0.0f));
+            lightParams.direction[0] = transformedPos[0];
+            lightParams.direction[1] = transformedPos[1];
+            lightParams.direction[2] = transformedPos[2];
+        }
+        break;
+        case LightParameter::SpotExponent:
+            lightParams.spotlightExponent = *params;
+            break;
+        case LightParameter::SpotCutoff:
+            lightParams.spotlightCutoffAngle = *params;
+            break;
+        case LightParameter::ConstantAttenuation:
+            lightParams.attenuationConst = *params;
+            break;
+        case LightParameter::LinearAttenuation:
+            lightParams.attenuationLinear = *params;
+            break;
+        case LightParameter::QuadraticAttenuation:
+            lightParams.attenuationQuadratic = *params;
+            break;
+        default:
+            return;
+    }
+}
+
+void GetLightParameters(const GLES1State *state,
+                        GLenum light,
+                        LightParameter pname,
+                        GLfloat *params)
+{
+    uint32_t lightIndex                = light - GL_LIGHT0;
+    const LightParameters &lightParams = state->lightParameters(lightIndex);
+
+    switch (pname)
+    {
+        case LightParameter::Ambient:
+            lightParams.ambient.writeData(params);
+            break;
+        case LightParameter::Diffuse:
+            lightParams.diffuse.writeData(params);
+            break;
+        case LightParameter::Specular:
+            lightParams.specular.writeData(params);
+            break;
+        case LightParameter::Position:
+            memcpy(params, lightParams.position.data(), 4 * sizeof(GLfloat));
+            break;
+        case LightParameter::SpotDirection:
+            memcpy(params, lightParams.direction.data(), 3 * sizeof(GLfloat));
+            break;
+        case LightParameter::SpotExponent:
+            *params = lightParams.spotlightExponent;
+            break;
+        case LightParameter::SpotCutoff:
+            *params = lightParams.spotlightCutoffAngle;
+            break;
+        case LightParameter::ConstantAttenuation:
+            *params = lightParams.attenuationConst;
+            break;
+        case LightParameter::LinearAttenuation:
+            *params = lightParams.attenuationLinear;
+            break;
+        case LightParameter::QuadraticAttenuation:
+            *params = lightParams.attenuationQuadratic;
+            break;
+        default:
+            break;
+    }
+}
+
+void SetMaterialParameters(GLES1State *state,
+                           GLenum face,
+                           MaterialParameter pname,
+                           const GLfloat *params)
+{
+    // Note: Ambient and diffuse colors are inherited from glColor when COLOR_MATERIAL is enabled,
+    // and can only be modified by this function if that is disabled:
+    //
+    // > the replaced values remain until changed by either sending a new color or by setting a
+    // > new material value when COLOR_MATERIAL is not currently enabled, to override that
+    // particular value.
+
+    MaterialParameters &material = state->materialParameters();
+    switch (pname)
+    {
+        case MaterialParameter::Ambient:
+            if (!state->isColorMaterialEnabled())
+            {
+                material.ambient = ColorF::fromData(params);
+            }
+            break;
+        case MaterialParameter::Diffuse:
+            if (!state->isColorMaterialEnabled())
+            {
+                material.diffuse = ColorF::fromData(params);
+            }
+            break;
+        case MaterialParameter::AmbientAndDiffuse:
+            if (!state->isColorMaterialEnabled())
+            {
+                material.ambient = ColorF::fromData(params);
+                material.diffuse = ColorF::fromData(params);
+            }
+            break;
+        case MaterialParameter::Specular:
+            material.specular = ColorF::fromData(params);
+            break;
+        case MaterialParameter::Emission:
+            material.emissive = ColorF::fromData(params);
+            break;
+        case MaterialParameter::Shininess:
+            material.specularExponent = *params;
+            break;
+        default:
+            return;
+    }
+}
+
+void GetMaterialParameters(const GLES1State *state,
+                           GLenum face,
+                           MaterialParameter pname,
+                           GLfloat *params)
+{
+    const ColorF &currentColor         = state->getCurrentColor();
+    const MaterialParameters &material = state->materialParameters();
+    const bool colorMaterialEnabled    = state->isColorMaterialEnabled();
+
+    switch (pname)
+    {
+        case MaterialParameter::Ambient:
+            if (colorMaterialEnabled)
+            {
+                currentColor.writeData(params);
+            }
+            else
+            {
+                material.ambient.writeData(params);
+            }
+            break;
+        case MaterialParameter::Diffuse:
+            if (colorMaterialEnabled)
+            {
+                currentColor.writeData(params);
+            }
+            else
+            {
+                material.diffuse.writeData(params);
+            }
+            break;
+        case MaterialParameter::Specular:
+            material.specular.writeData(params);
+            break;
+        case MaterialParameter::Emission:
+            material.emissive.writeData(params);
+            break;
+        case MaterialParameter::Shininess:
+            *params = material.specularExponent;
+            break;
+        default:
+            return;
+    }
+}
+
+unsigned int GetLightModelParameterCount(GLenum pname)
+{
+    switch (pname)
+    {
+        case GL_LIGHT_MODEL_AMBIENT:
+            return 4;
+        case GL_LIGHT_MODEL_TWO_SIDE:
+            return 1;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+unsigned int GetLightParameterCount(LightParameter pname)
+{
+    switch (pname)
+    {
+        case LightParameter::Ambient:
+        case LightParameter::Diffuse:
+        case LightParameter::AmbientAndDiffuse:
+        case LightParameter::Specular:
+        case LightParameter::Position:
+            return 4;
+        case LightParameter::SpotDirection:
+            return 3;
+        case LightParameter::SpotExponent:
+        case LightParameter::SpotCutoff:
+        case LightParameter::ConstantAttenuation:
+        case LightParameter::LinearAttenuation:
+        case LightParameter::QuadraticAttenuation:
+            return 1;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+unsigned int GetMaterialParameterCount(MaterialParameter pname)
+{
+    switch (pname)
+    {
+        case MaterialParameter::Ambient:
+        case MaterialParameter::Diffuse:
+        case MaterialParameter::AmbientAndDiffuse:
+        case MaterialParameter::Specular:
+        case MaterialParameter::Emission:
+            return 4;
+        case MaterialParameter::Shininess:
+            return 1;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+void SetFogParameters(GLES1State *state, GLenum pname, const GLfloat *params)
+{
+    FogParameters &fog = state->fogParameters();
+    switch (pname)
+    {
+        case GL_FOG_MODE:
+            fog.mode = FromGLenum<FogMode>(static_cast<GLenum>(params[0]));
+            break;
+        case GL_FOG_DENSITY:
+            fog.density = params[0];
+            break;
+        case GL_FOG_START:
+            fog.start = params[0];
+            break;
+        case GL_FOG_END:
+            fog.end = params[0];
+            break;
+        case GL_FOG_COLOR:
+            fog.color = ColorF::fromData(params);
+            break;
+        default:
+            return;
+    }
+}
+
+void GetFogParameters(const GLES1State *state, GLenum pname, GLfloat *params)
+{
+    const FogParameters &fog = state->fogParameters();
+    switch (pname)
+    {
+        case GL_FOG_MODE:
+            params[0] = static_cast<GLfloat>(ToGLenum(fog.mode));
+            break;
+        case GL_FOG_DENSITY:
+            params[0] = fog.density;
+            break;
+        case GL_FOG_START:
+            params[0] = fog.start;
+            break;
+        case GL_FOG_END:
+            params[0] = fog.end;
+            break;
+        case GL_FOG_COLOR:
+            fog.color.writeData(params);
+            break;
+        default:
+            return;
+    }
+}
+
+unsigned int GetFogParameterCount(GLenum pname)
+{
+    switch (pname)
+    {
+        case GL_FOG_MODE:
+        case GL_FOG_DENSITY:
+        case GL_FOG_START:
+        case GL_FOG_END:
+            return 1;
+        case GL_FOG_COLOR:
+            return 4;
+        default:
+            return 0;
+    }
+}
+
+unsigned int GetTextureEnvParameterCount(TextureEnvParameter pname)
+{
+    switch (pname)
+    {
+        case TextureEnvParameter::Mode:
+        case TextureEnvParameter::CombineRgb:
+        case TextureEnvParameter::CombineAlpha:
+        case TextureEnvParameter::Src0Rgb:
+        case TextureEnvParameter::Src1Rgb:
+        case TextureEnvParameter::Src2Rgb:
+        case TextureEnvParameter::Src0Alpha:
+        case TextureEnvParameter::Src1Alpha:
+        case TextureEnvParameter::Src2Alpha:
+        case TextureEnvParameter::Op0Rgb:
+        case TextureEnvParameter::Op1Rgb:
+        case TextureEnvParameter::Op2Rgb:
+        case TextureEnvParameter::Op0Alpha:
+        case TextureEnvParameter::Op1Alpha:
+        case TextureEnvParameter::Op2Alpha:
+        case TextureEnvParameter::RgbScale:
+        case TextureEnvParameter::AlphaScale:
+        case TextureEnvParameter::PointCoordReplace:
+            return 1;
+        case TextureEnvParameter::Color:
+            return 4;
+        default:
+            return 0;
+    }
+}
+
+void ConvertTextureEnvFromInt(TextureEnvParameter pname, const GLint *input, GLfloat *output)
+{
+    if (IsTextureEnvEnumParameter(pname))
+    {
+        ConvertGLenumValue(input[0], output);
+        return;
+    }
+
+    switch (pname)
+    {
+        case TextureEnvParameter::RgbScale:
+        case TextureEnvParameter::AlphaScale:
+            output[0] = static_cast<GLfloat>(input[0]);
+            break;
+        case TextureEnvParameter::Color:
+            for (int i = 0; i < 4; i++)
+            {
+                output[i] = input[i] / 255.0f;
+            }
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void ConvertTextureEnvFromFixed(TextureEnvParameter pname, const GLfixed *input, GLfloat *output)
+{
+    if (IsTextureEnvEnumParameter(pname))
+    {
+        ConvertGLenumValue(input[0], output);
+        return;
+    }
+
+    switch (pname)
+    {
+        case TextureEnvParameter::RgbScale:
+        case TextureEnvParameter::AlphaScale:
+            output[0] = ConvertFixedToFloat(input[0]);
+            break;
+        case TextureEnvParameter::Color:
+            for (int i = 0; i < 4; i++)
+            {
+                output[i] = ConvertFixedToFloat(input[i]);
+            }
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void ConvertTextureEnvToInt(TextureEnvParameter pname, const GLfloat *input, GLint *output)
+{
+    if (IsTextureEnvEnumParameter(pname))
+    {
+        ConvertGLenumValue(input[0], output);
+        return;
+    }
+
+    switch (pname)
+    {
+        case TextureEnvParameter::RgbScale:
+        case TextureEnvParameter::AlphaScale:
+            output[0] = static_cast<GLint>(input[0]);
+            break;
+        case TextureEnvParameter::Color:
+            for (int i = 0; i < 4; i++)
+            {
+                output[i] = static_cast<GLint>(input[i] * 255.0f);
+            }
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void ConvertTextureEnvToFixed(TextureEnvParameter pname, const GLfloat *input, GLfixed *output)
+{
+    if (IsTextureEnvEnumParameter(pname))
+    {
+        ConvertGLenumValue(input[0], output);
+        return;
+    }
+
+    switch (pname)
+    {
+        case TextureEnvParameter::RgbScale:
+        case TextureEnvParameter::AlphaScale:
+            output[0] = ConvertFloatToFixed(input[0]);
+            break;
+        case TextureEnvParameter::Color:
+            for (int i = 0; i < 4; i++)
+            {
+                output[i] = ConvertFloatToFixed(input[i]);
+            }
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void SetTextureEnv(unsigned int unit,
+                   GLES1State *state,
+                   TextureEnvTarget target,
+                   TextureEnvParameter pname,
+                   const GLfloat *params)
+{
+    TextureEnvironmentParameters &env = state->textureEnvironment(unit);
+    GLenum asEnum                     = ConvertToGLenum(params[0]);
+
+    switch (target)
+    {
+        case TextureEnvTarget::Env:
+            switch (pname)
+            {
+                case TextureEnvParameter::Mode:
+                    env.mode = FromGLenum<TextureEnvMode>(asEnum);
+                    break;
+                case TextureEnvParameter::CombineRgb:
+                    env.combineRgb = FromGLenum<TextureCombine>(asEnum);
+                    break;
+                case TextureEnvParameter::CombineAlpha:
+                    env.combineAlpha = FromGLenum<TextureCombine>(asEnum);
+                    break;
+                case TextureEnvParameter::Src0Rgb:
+                    env.src0Rgb = FromGLenum<TextureSrc>(asEnum);
+                    break;
+                case TextureEnvParameter::Src1Rgb:
+                    env.src1Rgb = FromGLenum<TextureSrc>(asEnum);
+                    break;
+                case TextureEnvParameter::Src2Rgb:
+                    env.src2Rgb = FromGLenum<TextureSrc>(asEnum);
+                    break;
+                case TextureEnvParameter::Src0Alpha:
+                    env.src0Alpha = FromGLenum<TextureSrc>(asEnum);
+                    break;
+                case TextureEnvParameter::Src1Alpha:
+                    env.src1Alpha = FromGLenum<TextureSrc>(asEnum);
+                    break;
+                case TextureEnvParameter::Src2Alpha:
+                    env.src2Alpha = FromGLenum<TextureSrc>(asEnum);
+                    break;
+                case TextureEnvParameter::Op0Rgb:
+                    env.op0Rgb = FromGLenum<TextureOp>(asEnum);
+                    break;
+                case TextureEnvParameter::Op1Rgb:
+                    env.op1Rgb = FromGLenum<TextureOp>(asEnum);
+                    break;
+                case TextureEnvParameter::Op2Rgb:
+                    env.op2Rgb = FromGLenum<TextureOp>(asEnum);
+                    break;
+                case TextureEnvParameter::Op0Alpha:
+                    env.op0Alpha = FromGLenum<TextureOp>(asEnum);
+                    break;
+                case TextureEnvParameter::Op1Alpha:
+                    env.op1Alpha = FromGLenum<TextureOp>(asEnum);
+                    break;
+                case TextureEnvParameter::Op2Alpha:
+                    env.op2Alpha = FromGLenum<TextureOp>(asEnum);
+                    break;
+                case TextureEnvParameter::Color:
+                    env.color = ColorF::fromData(params);
+                    break;
+                case TextureEnvParameter::RgbScale:
+                    env.rgbScale = params[0];
+                    break;
+                case TextureEnvParameter::AlphaScale:
+                    env.alphaScale = params[0];
+                    break;
+                default:
+                    UNREACHABLE();
+                    break;
+            }
+            break;
+        case TextureEnvTarget::PointSprite:
+            switch (pname)
+            {
+                case TextureEnvParameter::PointCoordReplace:
+                    env.pointSpriteCoordReplace = static_cast<bool>(params[0]);
+                    break;
+                default:
+                    UNREACHABLE();
+                    break;
+            }
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void GetTextureEnv(unsigned int unit,
+                   const GLES1State *state,
+                   TextureEnvTarget target,
+                   TextureEnvParameter pname,
+                   GLfloat *params)
+{
+    const TextureEnvironmentParameters &env = state->textureEnvironment(unit);
+
+    switch (target)
+    {
+        case TextureEnvTarget::Env:
+            switch (pname)
+            {
+                case TextureEnvParameter::Mode:
+                    ConvertPackedEnum(env.mode, params);
+                    break;
+                case TextureEnvParameter::CombineRgb:
+                    ConvertPackedEnum(env.combineRgb, params);
+                    break;
+                case TextureEnvParameter::CombineAlpha:
+                    ConvertPackedEnum(env.combineAlpha, params);
+                    break;
+                case TextureEnvParameter::Src0Rgb:
+                    ConvertPackedEnum(env.src0Rgb, params);
+                    break;
+                case TextureEnvParameter::Src1Rgb:
+                    ConvertPackedEnum(env.src1Rgb, params);
+                    break;
+                case TextureEnvParameter::Src2Rgb:
+                    ConvertPackedEnum(env.src2Rgb, params);
+                    break;
+                case TextureEnvParameter::Src0Alpha:
+                    ConvertPackedEnum(env.src0Alpha, params);
+                    break;
+                case TextureEnvParameter::Src1Alpha:
+                    ConvertPackedEnum(env.src1Alpha, params);
+                    break;
+                case TextureEnvParameter::Src2Alpha:
+                    ConvertPackedEnum(env.src2Alpha, params);
+                    break;
+                case TextureEnvParameter::Op0Rgb:
+                    ConvertPackedEnum(env.op0Rgb, params);
+                    break;
+                case TextureEnvParameter::Op1Rgb:
+                    ConvertPackedEnum(env.op1Rgb, params);
+                    break;
+                case TextureEnvParameter::Op2Rgb:
+                    ConvertPackedEnum(env.op2Rgb, params);
+                    break;
+                case TextureEnvParameter::Op0Alpha:
+                    ConvertPackedEnum(env.op0Alpha, params);
+                    break;
+                case TextureEnvParameter::Op1Alpha:
+                    ConvertPackedEnum(env.op1Alpha, params);
+                    break;
+                case TextureEnvParameter::Op2Alpha:
+                    ConvertPackedEnum(env.op2Alpha, params);
+                    break;
+                case TextureEnvParameter::Color:
+                    env.color.writeData(params);
+                    break;
+                case TextureEnvParameter::RgbScale:
+                    *params = env.rgbScale;
+                    break;
+                case TextureEnvParameter::AlphaScale:
+                    *params = env.alphaScale;
+                    break;
+                default:
+                    UNREACHABLE();
+                    break;
+            }
+            break;
+        case TextureEnvTarget::PointSprite:
+            switch (pname)
+            {
+                case TextureEnvParameter::PointCoordReplace:
+                    *params = static_cast<GLfloat>(env.pointSpriteCoordReplace);
+                    break;
+                default:
+                    UNREACHABLE();
+                    break;
+            }
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+unsigned int GetPointParameterCount(PointParameter pname)
+{
+    switch (pname)
+    {
+        case PointParameter::PointSizeMin:
+        case PointParameter::PointSizeMax:
+        case PointParameter::PointFadeThresholdSize:
+            return 1;
+        case PointParameter::PointDistanceAttenuation:
+            return 3;
+        default:
+            return 0;
+    }
+}
+
+void SetPointParameter(GLES1State *state, PointParameter pname, const GLfloat *params)
+{
+
+    PointParameters &pointParams = state->pointParameters();
+
+    switch (pname)
+    {
+        case PointParameter::PointSizeMin:
+            pointParams.pointSizeMin = params[0];
+            break;
+        case PointParameter::PointSizeMax:
+            pointParams.pointSizeMax = params[0];
+            break;
+        case PointParameter::PointFadeThresholdSize:
+            pointParams.pointFadeThresholdSize = params[0];
+            break;
+        case PointParameter::PointDistanceAttenuation:
+            for (unsigned int i = 0; i < 3; i++)
+            {
+                pointParams.pointDistanceAttenuation[i] = params[i];
+            }
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+void GetPointParameter(const GLES1State *state, PointParameter pname, GLfloat *params)
+{
+    const PointParameters &pointParams = state->pointParameters();
+
+    switch (pname)
+    {
+        case PointParameter::PointSizeMin:
+            params[0] = pointParams.pointSizeMin;
+            break;
+        case PointParameter::PointSizeMax:
+            params[0] = pointParams.pointSizeMax;
+            break;
+        case PointParameter::PointFadeThresholdSize:
+            params[0] = pointParams.pointFadeThresholdSize;
+            break;
+        case PointParameter::PointDistanceAttenuation:
+            for (unsigned int i = 0; i < 3; i++)
+            {
+                params[i] = pointParams.pointDistanceAttenuation[i];
+            }
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+void SetPointSize(GLES1State *state, GLfloat size)
+{
+    PointParameters &params = state->pointParameters();
+    params.pointSize        = size;
+}
+
+void GetPointSize(const GLES1State *state, GLfloat *sizeOut)
+{
+    const PointParameters &params = state->pointParameters();
+    *sizeOut                      = params.pointSize;
+}
+
+unsigned int GetTexParameterCount(GLenum pname)
+{
+    switch (pname)
+    {
+        case GL_TEXTURE_CROP_RECT_OES:
+        case GL_TEXTURE_BORDER_COLOR:
+            return 4;
+        case GL_TEXTURE_MAG_FILTER:
+        case GL_TEXTURE_MIN_FILTER:
+        case GL_TEXTURE_WRAP_S:
+        case GL_TEXTURE_WRAP_T:
+        case GL_TEXTURE_USAGE_ANGLE:
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+        case GL_TEXTURE_IMMUTABLE_FORMAT:
+        case GL_TEXTURE_WRAP_R:
+        case GL_TEXTURE_IMMUTABLE_LEVELS:
+        case GL_TEXTURE_SWIZZLE_R:
+        case GL_TEXTURE_SWIZZLE_G:
+        case GL_TEXTURE_SWIZZLE_B:
+        case GL_TEXTURE_SWIZZLE_A:
+        case GL_TEXTURE_BASE_LEVEL:
+        case GL_TEXTURE_MAX_LEVEL:
+        case GL_TEXTURE_MIN_LOD:
+        case GL_TEXTURE_MAX_LOD:
+        case GL_TEXTURE_COMPARE_MODE:
+        case GL_TEXTURE_COMPARE_FUNC:
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+        case GL_DEPTH_STENCIL_TEXTURE_MODE:
+        case GL_TEXTURE_NATIVE_ID_ANGLE:
+        case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+            return 1;
+        default:
+            return 0;
+    }
+}
+
+bool GetQueryParameterInfo(const State &glState,
+                           GLenum pname,
+                           GLenum *type,
+                           unsigned int *numParams)
+{
+    const Caps &caps             = glState.getCaps();
+    const Extensions &extensions = glState.getExtensions();
+    GLint clientMajorVersion     = glState.getClientMajorVersion();
+    EGLenum clientType           = glState.getClientType();
+
+    // Please note: the query type returned for DEPTH_CLEAR_VALUE in this implementation
+    // is FLOAT rather than INT, as would be suggested by the GL ES 2.0 spec. This is due
+    // to the fact that it is stored internally as a float, and so would require conversion
+    // if returned from Context::getIntegerv. Since this conversion is already implemented
+    // in the case that one calls glGetIntegerv to retrieve a float-typed state variable, we
+    // place DEPTH_CLEAR_VALUE with the floats. This should make no difference to the calling
+    // application.
+    switch (pname)
+    {
+        case GL_COMPRESSED_TEXTURE_FORMATS:
+        {
+            *type      = GL_INT;
+            *numParams = static_cast<unsigned int>(caps.compressedTextureFormats.size());
+            return true;
+        }
+        case GL_SHADER_BINARY_FORMATS:
+        {
+            *type      = GL_INT;
+            *numParams = static_cast<unsigned int>(caps.shaderBinaryFormats.size());
+            return true;
+        }
+
+        case GL_MAX_VERTEX_ATTRIBS:
+        case GL_MAX_VERTEX_UNIFORM_VECTORS:
+        case GL_MAX_VARYING_VECTORS:
+        case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
+        case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
+        case GL_MAX_TEXTURE_IMAGE_UNITS:
+        case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+        case GL_MAX_RENDERBUFFER_SIZE:
+        case GL_NUM_SHADER_BINARY_FORMATS:
+        case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
+        case GL_ARRAY_BUFFER_BINDING:
+        case GL_FRAMEBUFFER_BINDING:  // GL_FRAMEBUFFER_BINDING now equivalent to
+                                      // GL_DRAW_FRAMEBUFFER_BINDING
+        case GL_RENDERBUFFER_BINDING:
+        case GL_CURRENT_PROGRAM:
+        case GL_PACK_ALIGNMENT:
+        case GL_UNPACK_ALIGNMENT:
+        case GL_GENERATE_MIPMAP_HINT:
+        case GL_TEXTURE_FILTERING_HINT_CHROMIUM:
+        case GL_RED_BITS:
+        case GL_GREEN_BITS:
+        case GL_BLUE_BITS:
+        case GL_ALPHA_BITS:
+        case GL_DEPTH_BITS:
+        case GL_STENCIL_BITS:
+        case GL_ELEMENT_ARRAY_BUFFER_BINDING:
+        case GL_CULL_FACE_MODE:
+        case GL_FRONT_FACE:
+        case GL_ACTIVE_TEXTURE:
+        case GL_STENCIL_FUNC:
+        case GL_STENCIL_VALUE_MASK:
+        case GL_STENCIL_REF:
+        case GL_STENCIL_FAIL:
+        case GL_STENCIL_PASS_DEPTH_FAIL:
+        case GL_STENCIL_PASS_DEPTH_PASS:
+        case GL_STENCIL_BACK_FUNC:
+        case GL_STENCIL_BACK_VALUE_MASK:
+        case GL_STENCIL_BACK_REF:
+        case GL_STENCIL_BACK_FAIL:
+        case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
+        case GL_STENCIL_BACK_PASS_DEPTH_PASS:
+        case GL_DEPTH_FUNC:
+        case GL_BLEND_SRC_RGB:
+        case GL_BLEND_SRC_ALPHA:
+        case GL_BLEND_DST_RGB:
+        case GL_BLEND_DST_ALPHA:
+        case GL_BLEND_EQUATION_RGB:
+        case GL_BLEND_EQUATION_ALPHA:
+        case GL_STENCIL_WRITEMASK:
+        case GL_STENCIL_BACK_WRITEMASK:
+        case GL_STENCIL_CLEAR_VALUE:
+        case GL_SUBPIXEL_BITS:
+        case GL_MAX_TEXTURE_SIZE:
+        case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
+        case GL_SAMPLE_BUFFERS:
+        case GL_SAMPLES:
+        case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+        case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+        case GL_TEXTURE_BINDING_2D:
+        case GL_TEXTURE_BINDING_CUBE_MAP:
+        case GL_RESET_NOTIFICATION_STRATEGY_EXT:
+        {
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        }
+        case GL_PACK_REVERSE_ROW_ORDER_ANGLE:
+        {
+            if (!extensions.packReverseRowOrderANGLE)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        }
+        case GL_MAX_RECTANGLE_TEXTURE_SIZE_ANGLE:
+        case GL_TEXTURE_BINDING_RECTANGLE_ANGLE:
+        {
+            if (!extensions.textureRectangleANGLE)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        }
+        case GL_MAX_DRAW_BUFFERS_EXT:
+        case GL_MAX_COLOR_ATTACHMENTS_EXT:
+        {
+            if ((clientMajorVersion < 3) && !extensions.drawBuffersEXT)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        }
+        case GL_MAX_VIEWPORT_DIMS:
+        {
+            *type      = GL_INT;
+            *numParams = 2;
+            return true;
+        }
+        case GL_VIEWPORT:
+        case GL_SCISSOR_BOX:
+        {
+            *type      = GL_INT;
+            *numParams = 4;
+            return true;
+        }
+        case GL_SHADER_COMPILER:
+        case GL_SAMPLE_COVERAGE_INVERT:
+        case GL_DEPTH_WRITEMASK:
+        case GL_CULL_FACE:                 // CULL_FACE through DITHER are natural to IsEnabled,
+        case GL_POLYGON_OFFSET_FILL:       // but can be retrieved through the Get{Type}v queries.
+        case GL_SAMPLE_ALPHA_TO_COVERAGE:  // For this purpose, they are treated here as
+                                           // bool-natural
+        case GL_SAMPLE_COVERAGE:
+        case GL_SCISSOR_TEST:
+        case GL_STENCIL_TEST:
+        case GL_DEPTH_TEST:
+        case GL_BLEND:
+        case GL_DITHER:
+        case GL_CONTEXT_ROBUST_ACCESS_EXT:
+        {
+            *type      = GL_BOOL;
+            *numParams = 1;
+            return true;
+        }
+        case GL_COLOR_LOGIC_OP:
+        {
+            if (!extensions.logicOpANGLE)
+            {
+                return false;
+            }
+            *type      = GL_BOOL;
+            *numParams = 1;
+            return true;
+        }
+        case GL_COLOR_WRITEMASK:
+        {
+            *type      = GL_BOOL;
+            *numParams = 4;
+            return true;
+        }
+        case GL_POLYGON_OFFSET_FACTOR:
+        case GL_POLYGON_OFFSET_UNITS:
+        case GL_SAMPLE_COVERAGE_VALUE:
+        case GL_DEPTH_CLEAR_VALUE:
+        case GL_LINE_WIDTH:
+        {
+            *type      = GL_FLOAT;
+            *numParams = 1;
+            return true;
+        }
+        case GL_ALIASED_LINE_WIDTH_RANGE:
+        case GL_ALIASED_POINT_SIZE_RANGE:
+        case GL_DEPTH_RANGE:
+        {
+            *type      = GL_FLOAT;
+            *numParams = 2;
+            return true;
+        }
+        case GL_COLOR_CLEAR_VALUE:
+        case GL_BLEND_COLOR:
+        {
+            *type      = GL_FLOAT;
+            *numParams = 4;
+            return true;
+        }
+        case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
+            if (!extensions.textureFilterAnisotropicEXT)
+            {
+                return false;
+            }
+            *type      = GL_FLOAT;
+            *numParams = 1;
+            return true;
+        case GL_TIMESTAMP_EXT:
+            if (!extensions.disjointTimerQueryEXT)
+            {
+                return false;
+            }
+            *type      = GL_INT_64_ANGLEX;
+            *numParams = 1;
+            return true;
+        case GL_GPU_DISJOINT_EXT:
+            if (!extensions.disjointTimerQueryEXT)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_COVERAGE_MODULATION_CHROMIUM:
+            if (!extensions.framebufferMixedSamplesCHROMIUM)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_TEXTURE_BINDING_EXTERNAL_OES:
+            if (!extensions.EGLStreamConsumerExternalNV && !extensions.EGLImageExternalOES)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_MAX_CLIP_DISTANCES_EXT:  // case GL_MAX_CLIP_PLANES
+            if (clientMajorVersion < 2)
+            {
+                break;
+            }
+            if (!extensions.clipDistanceAPPLE && !extensions.clipCullDistanceEXT)
+            {
+                // NOTE(hqle): if client version is 1. GL_MAX_CLIP_DISTANCES_EXT is equal
+                // to GL_MAX_CLIP_PLANES which is a valid enum.
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_MAX_CULL_DISTANCES_EXT:
+        case GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES_EXT:
+            if (!extensions.clipCullDistanceEXT)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_CLIP_ORIGIN_EXT:
+        case GL_CLIP_DEPTH_MODE_EXT:
+            if (!extensions.clipControlEXT)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_PRIMITIVE_BOUNDING_BOX:
+            if (!extensions.primitiveBoundingBoxAny())
+            {
+                return false;
+            }
+            *type      = GL_FLOAT;
+            *numParams = 8;
+            return true;
+        case GL_SHADING_RATE_QCOM:
+            if (!extensions.shadingRateQCOM)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+    }
+
+    if (clientType == EGL_OPENGL_API ||
+        (clientType == EGL_OPENGL_ES_API && glState.getClientVersion() >= Version(3, 2)))
+    {
+        switch (pname)
+        {
+            case GL_CONTEXT_FLAGS:
+            {
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+            }
+        }
+    }
+
+    if (clientType == EGL_OPENGL_API)
+    {
+        switch (pname)
+        {
+            case GL_CONTEXT_PROFILE_MASK:
+            {
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+            }
+        }
+    }
+
+    if (extensions.debugKHR)
+    {
+        switch (pname)
+        {
+            case GL_DEBUG_LOGGED_MESSAGES:
+            case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH:
+            case GL_DEBUG_GROUP_STACK_DEPTH:
+            case GL_MAX_DEBUG_MESSAGE_LENGTH:
+            case GL_MAX_DEBUG_LOGGED_MESSAGES:
+            case GL_MAX_DEBUG_GROUP_STACK_DEPTH:
+            case GL_MAX_LABEL_LENGTH:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+
+            case GL_DEBUG_OUTPUT_SYNCHRONOUS:
+            case GL_DEBUG_OUTPUT:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.multisampleCompatibilityEXT)
+    {
+        switch (pname)
+        {
+            case GL_MULTISAMPLE_EXT:
+            case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.bindGeneratesResourceCHROMIUM)
+    {
+        switch (pname)
+        {
+            case GL_BIND_GENERATES_RESOURCE_CHROMIUM:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.clientArraysANGLE)
+    {
+        switch (pname)
+        {
+            case GL_CLIENT_ARRAYS_ANGLE:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.sRGBWriteControlEXT)
+    {
+        switch (pname)
+        {
+            case GL_FRAMEBUFFER_SRGB_EXT:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.robustResourceInitializationANGLE &&
+        pname == GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE)
+    {
+        *type      = GL_BOOL;
+        *numParams = 1;
+        return true;
+    }
+
+    if (extensions.programCacheControlANGLE && pname == GL_PROGRAM_CACHE_ENABLED_ANGLE)
+    {
+        *type      = GL_BOOL;
+        *numParams = 1;
+        return true;
+    }
+
+    if (extensions.parallelShaderCompileKHR && pname == GL_MAX_SHADER_COMPILER_THREADS_KHR)
+    {
+        *type      = GL_INT;
+        *numParams = 1;
+        return true;
+    }
+
+    if (extensions.blendFuncExtendedEXT && pname == GL_MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT)
+    {
+        *type      = GL_INT;
+        *numParams = 1;
+        return true;
+    }
+
+    if (extensions.robustFragmentShaderOutputANGLE &&
+        pname == GL_ROBUST_FRAGMENT_SHADER_OUTPUT_ANGLE)
+    {
+        *type      = GL_BOOL;
+        *numParams = 1;
+        return true;
+    }
+
+    // Check for ES3.0+ parameter names which are also exposed as ES2 extensions
+    switch (pname)
+    {
+        // GL_DRAW_FRAMEBUFFER_BINDING equivalent to GL_FRAMEBUFFER_BINDING
+        case GL_READ_FRAMEBUFFER_BINDING:
+            if ((clientMajorVersion < 3) && !extensions.framebufferBlitAny())
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+
+        case GL_NUM_PROGRAM_BINARY_FORMATS_OES:
+            if ((clientMajorVersion < 3) && !extensions.getProgramBinaryOES)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+
+        case GL_PROGRAM_BINARY_FORMATS_OES:
+            if ((clientMajorVersion < 3) && !extensions.getProgramBinaryOES)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = static_cast<unsigned int>(caps.programBinaryFormats.size());
+            return true;
+
+        case GL_PACK_ROW_LENGTH:
+        case GL_PACK_SKIP_ROWS:
+        case GL_PACK_SKIP_PIXELS:
+            if ((clientMajorVersion < 3) && !extensions.packSubimageNV)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_UNPACK_ROW_LENGTH:
+        case GL_UNPACK_SKIP_ROWS:
+        case GL_UNPACK_SKIP_PIXELS:
+            if ((clientMajorVersion < 3) && !extensions.unpackSubimageEXT)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_VERTEX_ARRAY_BINDING:
+            if ((clientMajorVersion < 3) && !extensions.vertexArrayObjectOES)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_PIXEL_PACK_BUFFER_BINDING:
+        case GL_PIXEL_UNPACK_BUFFER_BINDING:
+            if ((clientMajorVersion < 3) && !extensions.pixelBufferObjectNV)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_MAX_SAMPLES:
+        {
+            static_assert(GL_MAX_SAMPLES_ANGLE == GL_MAX_SAMPLES,
+                          "GL_MAX_SAMPLES_ANGLE not equal to GL_MAX_SAMPLES");
+            if ((clientMajorVersion < 3) && !(extensions.framebufferMultisampleANGLE ||
+                                              extensions.multisampledRenderToTextureEXT))
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+
+            case GL_FRAGMENT_SHADER_DERIVATIVE_HINT:
+                if ((clientMajorVersion < 3) && !extensions.standardDerivativesOES)
+                {
+                    return false;
+                }
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+        case GL_TEXTURE_BINDING_3D:
+            if ((clientMajorVersion < 3) && !extensions.texture3DOES)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_MAX_3D_TEXTURE_SIZE:
+            if ((clientMajorVersion < 3) && !extensions.texture3DOES)
+            {
+                return false;
+            }
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+    }
+
+    if (pname >= GL_DRAW_BUFFER0_EXT && pname <= GL_DRAW_BUFFER15_EXT)
+    {
+        if ((glState.getClientVersion() < Version(3, 0)) && !extensions.drawBuffersEXT)
+        {
+            return false;
+        }
+        *type      = GL_INT;
+        *numParams = 1;
+        return true;
+    }
+
+    if ((extensions.multiview2OVR || extensions.multiviewOVR) && pname == GL_MAX_VIEWS_OVR)
+    {
+        *type      = GL_INT;
+        *numParams = 1;
+        return true;
+    }
+
+    if (extensions.provokingVertexANGLE && pname == GL_PROVOKING_VERTEX)
+    {
+        *type      = GL_INT;
+        *numParams = 1;
+        return true;
+    }
+
+    if (glState.getClientVersion() < Version(2, 0))
+    {
+        switch (pname)
+        {
+            case GL_ALPHA_TEST_FUNC:
+            case GL_CLIENT_ACTIVE_TEXTURE:
+            case GL_MATRIX_MODE:
+            case GL_MAX_TEXTURE_UNITS:
+            case GL_MAX_MODELVIEW_STACK_DEPTH:
+            case GL_MAX_PROJECTION_STACK_DEPTH:
+            case GL_MAX_TEXTURE_STACK_DEPTH:
+            case GL_MAX_LIGHTS:
+            case GL_MAX_CLIP_PLANES:
+            case GL_VERTEX_ARRAY_STRIDE:
+            case GL_NORMAL_ARRAY_STRIDE:
+            case GL_COLOR_ARRAY_STRIDE:
+            case GL_TEXTURE_COORD_ARRAY_STRIDE:
+            case GL_VERTEX_ARRAY_SIZE:
+            case GL_COLOR_ARRAY_SIZE:
+            case GL_TEXTURE_COORD_ARRAY_SIZE:
+            case GL_VERTEX_ARRAY_TYPE:
+            case GL_NORMAL_ARRAY_TYPE:
+            case GL_COLOR_ARRAY_TYPE:
+            case GL_TEXTURE_COORD_ARRAY_TYPE:
+            case GL_VERTEX_ARRAY_BUFFER_BINDING:
+            case GL_NORMAL_ARRAY_BUFFER_BINDING:
+            case GL_COLOR_ARRAY_BUFFER_BINDING:
+            case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
+            case GL_POINT_SIZE_ARRAY_STRIDE_OES:
+            case GL_POINT_SIZE_ARRAY_TYPE_OES:
+            case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
+            case GL_SHADE_MODEL:
+            case GL_MODELVIEW_STACK_DEPTH:
+            case GL_PROJECTION_STACK_DEPTH:
+            case GL_TEXTURE_STACK_DEPTH:
+            case GL_LOGIC_OP_MODE:
+            case GL_BLEND_SRC:
+            case GL_BLEND_DST:
+            case GL_PERSPECTIVE_CORRECTION_HINT:
+            case GL_POINT_SMOOTH_HINT:
+            case GL_LINE_SMOOTH_HINT:
+            case GL_FOG_HINT:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+            case GL_ALPHA_TEST_REF:
+            case GL_FOG_DENSITY:
+            case GL_FOG_START:
+            case GL_FOG_END:
+            case GL_FOG_MODE:
+            case GL_POINT_SIZE:
+            case GL_POINT_SIZE_MIN:
+            case GL_POINT_SIZE_MAX:
+            case GL_POINT_FADE_THRESHOLD_SIZE:
+                *type      = GL_FLOAT;
+                *numParams = 1;
+                return true;
+            case GL_SMOOTH_POINT_SIZE_RANGE:
+            case GL_SMOOTH_LINE_WIDTH_RANGE:
+                *type      = GL_FLOAT;
+                *numParams = 2;
+                return true;
+            case GL_CURRENT_COLOR:
+            case GL_CURRENT_TEXTURE_COORDS:
+            case GL_LIGHT_MODEL_AMBIENT:
+            case GL_FOG_COLOR:
+                *type      = GL_FLOAT;
+                *numParams = 4;
+                return true;
+            case GL_CURRENT_NORMAL:
+            case GL_POINT_DISTANCE_ATTENUATION:
+                *type      = GL_FLOAT;
+                *numParams = 3;
+                return true;
+            case GL_MODELVIEW_MATRIX:
+            case GL_PROJECTION_MATRIX:
+            case GL_TEXTURE_MATRIX:
+                *type      = GL_FLOAT;
+                *numParams = 16;
+                return true;
+            case GL_LIGHT_MODEL_TWO_SIDE:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (glState.getClientVersion() < Version(3, 0))
+    {
+        return false;
+    }
+
+    // Check for ES3.0+ parameter names
+    switch (pname)
+    {
+        case GL_MAX_UNIFORM_BUFFER_BINDINGS:
+        case GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
+        case GL_UNIFORM_BUFFER_BINDING:
+        case GL_TRANSFORM_FEEDBACK_BINDING:
+        case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
+        case GL_COPY_READ_BUFFER_BINDING:
+        case GL_COPY_WRITE_BUFFER_BINDING:
+        case GL_SAMPLER_BINDING:
+        case GL_READ_BUFFER:
+        case GL_TEXTURE_BINDING_3D:
+        case GL_TEXTURE_BINDING_2D_ARRAY:
+        case GL_MAX_ARRAY_TEXTURE_LAYERS:
+        case GL_MAX_VERTEX_UNIFORM_BLOCKS:
+        case GL_MAX_FRAGMENT_UNIFORM_BLOCKS:
+        case GL_MAX_COMBINED_UNIFORM_BLOCKS:
+        case GL_MAX_VERTEX_OUTPUT_COMPONENTS:
+        case GL_MAX_FRAGMENT_INPUT_COMPONENTS:
+        case GL_MAX_VARYING_COMPONENTS:
+        case GL_MAX_VERTEX_UNIFORM_COMPONENTS:
+        case GL_MAX_FRAGMENT_UNIFORM_COMPONENTS:
+        case GL_MIN_PROGRAM_TEXEL_OFFSET:
+        case GL_MAX_PROGRAM_TEXEL_OFFSET:
+        case GL_NUM_EXTENSIONS:
+        case GL_MAJOR_VERSION:
+        case GL_MINOR_VERSION:
+        case GL_MAX_ELEMENTS_INDICES:
+        case GL_MAX_ELEMENTS_VERTICES:
+        case GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS:
+        case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
+        case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS:
+        case GL_UNPACK_IMAGE_HEIGHT:
+        case GL_UNPACK_SKIP_IMAGES:
+        case GL_FRAGMENT_INTERPOLATION_OFFSET_BITS_OES:
+        {
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        }
+
+        case GL_MAX_ELEMENT_INDEX:
+        case GL_MAX_UNIFORM_BLOCK_SIZE:
+        case GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:
+        case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
+        case GL_MAX_SERVER_WAIT_TIMEOUT:
+        {
+            *type      = GL_INT_64_ANGLEX;
+            *numParams = 1;
+            return true;
+        }
+
+        case GL_TRANSFORM_FEEDBACK_ACTIVE:
+        case GL_TRANSFORM_FEEDBACK_PAUSED:
+        case GL_PRIMITIVE_RESTART_FIXED_INDEX:
+        case GL_RASTERIZER_DISCARD:
+        {
+            *type      = GL_BOOL;
+            *numParams = 1;
+            return true;
+        }
+
+        case GL_MAX_TEXTURE_LOD_BIAS:
+        case GL_MIN_FRAGMENT_INTERPOLATION_OFFSET_OES:
+        case GL_MAX_FRAGMENT_INTERPOLATION_OFFSET_OES:
+        {
+            *type      = GL_FLOAT;
+            *numParams = 1;
+            return true;
+        }
+    }
+
+    if (extensions.requestExtensionANGLE)
+    {
+        switch (pname)
+        {
+            case GL_NUM_REQUESTABLE_EXTENSIONS_ANGLE:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.textureMultisampleANGLE)
+    {
+        switch (pname)
+        {
+            case GL_MAX_COLOR_TEXTURE_SAMPLES_ANGLE:
+            case GL_MAX_INTEGER_SAMPLES_ANGLE:
+            case GL_MAX_DEPTH_TEXTURE_SAMPLES_ANGLE:
+            case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ANGLE:
+            case GL_MAX_SAMPLE_MASK_WORDS:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.textureCubeMapArrayAny())
+    {
+        switch (pname)
+        {
+            case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.textureBufferAny())
+    {
+        switch (pname)
+        {
+            case GL_TEXTURE_BUFFER_BINDING:
+            case GL_TEXTURE_BINDING_BUFFER:
+            case GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
+            case GL_MAX_TEXTURE_BUFFER_SIZE:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.shaderPixelLocalStorageANGLE)
+    {
+        switch (pname)
+        {
+            case GL_MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE:
+            case GL_MAX_COLOR_ATTACHMENTS_WITH_ACTIVE_PIXEL_LOCAL_STORAGE_ANGLE:
+            case GL_MAX_COMBINED_DRAW_BUFFERS_AND_PIXEL_LOCAL_STORAGE_PLANES_ANGLE:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+            case GL_PIXEL_LOCAL_STORAGE_ACTIVE_ANGLE:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (glState.getClientVersion() < Version(3, 1))
+    {
+        return false;
+    }
+
+    // Check for ES3.1+ parameter names
+    switch (pname)
+    {
+        case GL_ATOMIC_COUNTER_BUFFER_BINDING:
+        case GL_DRAW_INDIRECT_BUFFER_BINDING:
+        case GL_DISPATCH_INDIRECT_BUFFER_BINDING:
+        case GL_MAX_FRAMEBUFFER_WIDTH:
+        case GL_MAX_FRAMEBUFFER_HEIGHT:
+        case GL_MAX_FRAMEBUFFER_SAMPLES:
+        case GL_MAX_SAMPLE_MASK_WORDS:
+        case GL_MAX_COLOR_TEXTURE_SAMPLES:
+        case GL_MAX_DEPTH_TEXTURE_SAMPLES:
+        case GL_MAX_INTEGER_SAMPLES:
+        case GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET:
+        case GL_MAX_VERTEX_ATTRIB_BINDINGS:
+        case GL_MAX_VERTEX_ATTRIB_STRIDE:
+        case GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS:
+        case GL_MAX_VERTEX_ATOMIC_COUNTERS:
+        case GL_MAX_VERTEX_IMAGE_UNIFORMS:
+        case GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS:
+        case GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS:
+        case GL_MAX_FRAGMENT_ATOMIC_COUNTERS:
+        case GL_MAX_FRAGMENT_IMAGE_UNIFORMS:
+        case GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS:
+        case GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET:
+        case GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET:
+        case GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS:
+        case GL_MAX_COMPUTE_UNIFORM_BLOCKS:
+        case GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS:
+        case GL_MAX_COMPUTE_SHARED_MEMORY_SIZE:
+        case GL_MAX_COMPUTE_UNIFORM_COMPONENTS:
+        case GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS:
+        case GL_MAX_COMPUTE_ATOMIC_COUNTERS:
+        case GL_MAX_COMPUTE_IMAGE_UNIFORMS:
+        case GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS:
+        case GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS:
+        case GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
+        case GL_MAX_UNIFORM_LOCATIONS:
+        case GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS:
+        case GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE:
+        case GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS:
+        case GL_MAX_COMBINED_ATOMIC_COUNTERS:
+        case GL_MAX_IMAGE_UNITS:
+        case GL_MAX_COMBINED_IMAGE_UNIFORMS:
+        case GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS:
+        case GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS:
+        case GL_SHADER_STORAGE_BUFFER_BINDING:
+        case GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT:
+        case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
+        case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
+        case GL_PROGRAM_PIPELINE_BINDING:
+            *type      = GL_INT;
+            *numParams = 1;
+            return true;
+        case GL_MAX_SHADER_STORAGE_BLOCK_SIZE:
+            *type      = GL_INT_64_ANGLEX;
+            *numParams = 1;
+            return true;
+        case GL_SAMPLE_MASK:
+        case GL_SAMPLE_SHADING:
+            *type      = GL_BOOL;
+            *numParams = 1;
+            return true;
+        case GL_MIN_SAMPLE_SHADING_VALUE:
+            *type      = GL_FLOAT;
+            *numParams = 1;
+            return true;
+    }
+
+    if (extensions.geometryShaderAny())
+    {
+        switch (pname)
+        {
+            case GL_MAX_FRAMEBUFFER_LAYERS_EXT:
+            case GL_LAYER_PROVOKING_VERTEX_EXT:
+            case GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT:
+            case GL_MAX_GEOMETRY_UNIFORM_BLOCKS_EXT:
+            case GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS_EXT:
+            case GL_MAX_GEOMETRY_INPUT_COMPONENTS_EXT:
+            case GL_MAX_GEOMETRY_OUTPUT_COMPONENTS_EXT:
+            case GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT:
+            case GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_EXT:
+            case GL_MAX_GEOMETRY_SHADER_INVOCATIONS_EXT:
+            case GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_EXT:
+            case GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS_EXT:
+            case GL_MAX_GEOMETRY_ATOMIC_COUNTERS_EXT:
+            case GL_MAX_GEOMETRY_IMAGE_UNIFORMS_EXT:
+            case GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS_EXT:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    if (extensions.tessellationShaderEXT)
+    {
+        switch (pname)
+        {
+            case GL_PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED:
+                *type      = GL_BOOL;
+                *numParams = 1;
+                return true;
+            case GL_PATCH_VERTICES:
+            case GL_MAX_PATCH_VERTICES_EXT:
+            case GL_MAX_TESS_GEN_LEVEL_EXT:
+            case GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS_EXT:
+            case GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS_EXT:
+            case GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS_EXT:
+            case GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS_EXT:
+            case GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS_EXT:
+            case GL_MAX_TESS_PATCH_COMPONENTS_EXT:
+            case GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS_EXT:
+            case GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS_EXT:
+            case GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS_EXT:
+            case GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS_EXT:
+            case GL_MAX_TESS_CONTROL_INPUT_COMPONENTS_EXT:
+            case GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS_EXT:
+            case GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS_EXT:
+            case GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS_EXT:
+            case GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS_EXT:
+            case GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS_EXT:
+            case GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS_EXT:
+            case GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS_EXT:
+            case GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS_EXT:
+            case GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS_EXT:
+            case GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS_EXT:
+            case GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS_EXT:
+                *type      = GL_INT;
+                *numParams = 1;
+                return true;
+        }
+    }
+
+    return false;
+}
+
+void QueryProgramPipelineiv(const Context *context,
+                            ProgramPipeline *programPipeline,
+                            GLenum pname,
+                            GLint *params)
+{
+    if (!params)
+    {
+        // Can't write the result anywhere, so just return immediately.
+        return;
+    }
+
+    switch (pname)
+    {
+        case GL_ACTIVE_PROGRAM:
+        {
+            // the name of the active program object of the program pipeline object is returned in
+            // params
+            *params = 0;
+            if (programPipeline)
+            {
+                const Program *program = programPipeline->getActiveShaderProgram();
+                if (program)
+                {
+                    *params = program->id().value;
+                }
+            }
+            break;
+        }
+
+        case GL_VERTEX_SHADER:
+        {
+            // the name of the current program object for the vertex shader type of the program
+            // pipeline object is returned in params
+            GetShaderProgramId(programPipeline, ShaderType::Vertex, params);
+            break;
+        }
+
+        case GL_FRAGMENT_SHADER:
+        {
+            // the name of the current program object for the fragment shader type of the program
+            // pipeline object is returned in params
+            GetShaderProgramId(programPipeline, ShaderType::Fragment, params);
+            break;
+        }
+
+        case GL_TESS_CONTROL_SHADER:
+        {
+            // the name of the current program object for the tessellation control shader type of
+            // the program pipeline object is returned in params
+            GetShaderProgramId(programPipeline, ShaderType::TessControl, params);
+            break;
+        }
+
+        case GL_TESS_EVALUATION_SHADER:
+        {
+            // the name of the current program object for the tessellation evaluation shader type of
+            // the program pipeline object is returned in params
+            GetShaderProgramId(programPipeline, ShaderType::TessEvaluation, params);
+            break;
+        }
+
+        case GL_COMPUTE_SHADER:
+        {
+            // the name of the current program object for the compute shader type of the program
+            // pipeline object is returned in params
+            GetShaderProgramId(programPipeline, ShaderType::Compute, params);
+            break;
+        }
+
+        case GL_GEOMETRY_SHADER:
+        {
+            // the name of the current program object for the geometry shader type of the program
+            // pipeline object is returned in params
+            GetShaderProgramId(programPipeline, ShaderType::Geometry, params);
+            break;
+        }
+
+        case GL_INFO_LOG_LENGTH:
+        {
+            // the length of the info log, including the null terminator, is returned in params. If
+            // there is no info log, zero is returned.
+            *params = 0;
+            if (programPipeline)
+            {
+                *params = programPipeline->getExecutable().getInfoLogLength();
+            }
+            break;
+        }
+
+        case GL_VALIDATE_STATUS:
+        {
+            // the validation status of pipeline, as determined by glValidateProgramPipeline, is
+            // returned in params
+            *params = 0;
+            if (programPipeline)
+            {
+                *params = programPipeline->isValid();
+            }
+            break;
+        }
+
+        default:
+            break;
+    }
+}
+
+}  // namespace gl
+
+namespace egl
+{
+
+void QueryConfigAttrib(const Config *config, EGLint attribute, EGLint *value)
+{
+    ASSERT(config != nullptr);
+    switch (attribute)
+    {
+        case EGL_BUFFER_SIZE:
+            *value = config->bufferSize;
+            break;
+        case EGL_ALPHA_SIZE:
+            *value = config->alphaSize;
+            break;
+        case EGL_BLUE_SIZE:
+            *value = config->blueSize;
+            break;
+        case EGL_GREEN_SIZE:
+            *value = config->greenSize;
+            break;
+        case EGL_RED_SIZE:
+            *value = config->redSize;
+            break;
+        case EGL_DEPTH_SIZE:
+            *value = config->depthSize;
+            break;
+        case EGL_STENCIL_SIZE:
+            *value = config->stencilSize;
+            break;
+        case EGL_CONFIG_CAVEAT:
+            *value = config->configCaveat;
+            break;
+        case EGL_CONFIG_ID:
+            *value = config->configID;
+            break;
+        case EGL_LEVEL:
+            *value = config->level;
+            break;
+        case EGL_NATIVE_RENDERABLE:
+            *value = config->nativeRenderable;
+            break;
+        case EGL_NATIVE_VISUAL_ID:
+            *value = config->nativeVisualID;
+            break;
+        case EGL_NATIVE_VISUAL_TYPE:
+            *value = config->nativeVisualType;
+            break;
+        case EGL_SAMPLES:
+            *value = config->samples;
+            break;
+        case EGL_SAMPLE_BUFFERS:
+            *value = config->sampleBuffers;
+            break;
+        case EGL_SURFACE_TYPE:
+            *value = config->surfaceType;
+            break;
+        case EGL_BIND_TO_TEXTURE_TARGET_ANGLE:
+            *value = config->bindToTextureTarget;
+            break;
+        case EGL_TRANSPARENT_TYPE:
+            *value = config->transparentType;
+            break;
+        case EGL_TRANSPARENT_BLUE_VALUE:
+            *value = config->transparentBlueValue;
+            break;
+        case EGL_TRANSPARENT_GREEN_VALUE:
+            *value = config->transparentGreenValue;
+            break;
+        case EGL_TRANSPARENT_RED_VALUE:
+            *value = config->transparentRedValue;
+            break;
+        case EGL_BIND_TO_TEXTURE_RGB:
+            *value = config->bindToTextureRGB;
+            break;
+        case EGL_BIND_TO_TEXTURE_RGBA:
+            *value = config->bindToTextureRGBA;
+            break;
+        case EGL_MIN_SWAP_INTERVAL:
+            *value = config->minSwapInterval;
+            break;
+        case EGL_MAX_SWAP_INTERVAL:
+            *value = config->maxSwapInterval;
+            break;
+        case EGL_LUMINANCE_SIZE:
+            *value = config->luminanceSize;
+            break;
+        case EGL_ALPHA_MASK_SIZE:
+            *value = config->alphaMaskSize;
+            break;
+        case EGL_COLOR_BUFFER_TYPE:
+            *value = config->colorBufferType;
+            break;
+        case EGL_RENDERABLE_TYPE:
+            *value = config->renderableType;
+            break;
+        case EGL_MATCH_NATIVE_PIXMAP:
+            *value = false;
+            UNIMPLEMENTED();
+            break;
+        case EGL_CONFORMANT:
+            *value = config->conformant;
+            break;
+        case EGL_MAX_PBUFFER_WIDTH:
+            *value = config->maxPBufferWidth;
+            break;
+        case EGL_MAX_PBUFFER_HEIGHT:
+            *value = config->maxPBufferHeight;
+            break;
+        case EGL_MAX_PBUFFER_PIXELS:
+            *value = config->maxPBufferPixels;
+            break;
+        case EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE:
+            *value = config->optimalOrientation;
+            break;
+        case EGL_COLOR_COMPONENT_TYPE_EXT:
+            *value = config->colorComponentType;
+            break;
+        case EGL_RECORDABLE_ANDROID:
+            *value = config->recordable;
+            break;
+        case EGL_FRAMEBUFFER_TARGET_ANDROID:
+            *value = config->framebufferTarget;
+            break;
+        case EGL_MATCH_FORMAT_KHR:
+            *value = config->matchFormat;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void QueryContextAttrib(const gl::Context *context, EGLint attribute, EGLint *value)
+{
+    switch (attribute)
+    {
+        case EGL_CONFIG_ID:
+            if (context->getConfig() != EGL_NO_CONFIG_KHR)
+            {
+                *value = context->getConfig()->configID;
+            }
+            else
+            {
+                *value = 0;
+            }
+            break;
+        case EGL_CONTEXT_CLIENT_TYPE:
+            *value = context->getClientType();
+            break;
+        case EGL_CONTEXT_CLIENT_VERSION:
+            *value = context->getClientMajorVersion();
+            break;
+        case EGL_RENDER_BUFFER:
+            *value = context->getRenderBuffer();
+            break;
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            *value = context->isRobustResourceInitEnabled();
+            break;
+        case EGL_CONTEXT_PRIORITY_LEVEL_IMG:
+            *value = static_cast<EGLint>(context->getContextPriority());
+            break;
+        case EGL_PROTECTED_CONTENT_EXT:
+            *value = context->getState().hasProtectedContent();
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+egl::Error QuerySurfaceAttrib(const Display *display,
+                              const gl::Context *context,
+                              Surface *surface,
+                              EGLint attribute,
+                              EGLint *value)
+{
+    switch (attribute)
+    {
+        case EGL_GL_COLORSPACE:
+            *value = surface->getGLColorspace();
+            break;
+        case EGL_VG_ALPHA_FORMAT:
+            *value = surface->getVGAlphaFormat();
+            break;
+        case EGL_VG_COLORSPACE:
+            *value = surface->getVGColorspace();
+            break;
+        case EGL_CONFIG_ID:
+            *value = surface->getConfig()->configID;
+            break;
+        case EGL_HEIGHT:
+            ANGLE_TRY(surface->getUserHeight(display, value));
+            break;
+        case EGL_HORIZONTAL_RESOLUTION:
+            *value = surface->getHorizontalResolution();
+            break;
+        case EGL_LARGEST_PBUFFER:
+            // The EGL spec states that value is not written if the surface is not a pbuffer
+            if (surface->getType() == EGL_PBUFFER_BIT)
+            {
+                *value = surface->getLargestPbuffer();
+            }
+            break;
+        case EGL_MIPMAP_TEXTURE:
+            // The EGL spec states that value is not written if the surface is not a pbuffer
+            if (surface->getType() == EGL_PBUFFER_BIT)
+            {
+                *value = surface->getMipmapTexture();
+            }
+            break;
+        case EGL_MIPMAP_LEVEL:
+            // The EGL spec states that value is not written if the surface is not a pbuffer
+            if (surface->getType() == EGL_PBUFFER_BIT)
+            {
+                *value = surface->getMipmapLevel();
+            }
+            break;
+        case EGL_MULTISAMPLE_RESOLVE:
+            *value = surface->getMultisampleResolve();
+            break;
+        case EGL_PIXEL_ASPECT_RATIO:
+            *value = surface->getPixelAspectRatio();
+            break;
+        case EGL_RENDER_BUFFER:
+            *value = surface->getRenderBuffer();
+            break;
+        case EGL_SWAP_BEHAVIOR:
+            *value = surface->getSwapBehavior();
+            break;
+        case EGL_TEXTURE_FORMAT:
+            // The EGL spec states that value is not written if the surface is not a pbuffer
+            if (surface->getType() == EGL_PBUFFER_BIT)
+            {
+                *value = ToEGLenum(surface->getTextureFormat());
+            }
+            break;
+        case EGL_TEXTURE_TARGET:
+            // The EGL spec states that value is not written if the surface is not a pbuffer
+            if (surface->getType() == EGL_PBUFFER_BIT)
+            {
+                *value = surface->getTextureTarget();
+            }
+            break;
+        case EGL_VERTICAL_RESOLUTION:
+            *value = surface->getVerticalResolution();
+            break;
+        case EGL_WIDTH:
+            ANGLE_TRY(surface->getUserWidth(display, value));
+            break;
+        case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
+            *value = surface->isPostSubBufferSupported();
+            break;
+        case EGL_FIXED_SIZE_ANGLE:
+            *value = surface->isFixedSize();
+            break;
+        case EGL_SURFACE_ORIENTATION_ANGLE:
+            *value = surface->getOrientation();
+            break;
+        case EGL_DIRECT_COMPOSITION_ANGLE:
+            *value = surface->directComposition();
+            break;
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            *value = surface->isRobustResourceInitEnabled();
+            break;
+        case EGL_TIMESTAMPS_ANDROID:
+            *value = surface->isTimestampsEnabled();
+            break;
+        case EGL_BUFFER_AGE_EXT:
+            ANGLE_TRY(surface->getBufferAge(context, value));
+            break;
+        case EGL_BITMAP_PITCH_KHR:
+            *value = surface->getBitmapPitch();
+            break;
+        case EGL_BITMAP_ORIGIN_KHR:
+            *value = surface->getBitmapOrigin();
+            break;
+        case EGL_BITMAP_PIXEL_RED_OFFSET_KHR:
+            *value = surface->getRedOffset();
+            break;
+        case EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR:
+            *value = surface->getGreenOffset();
+            break;
+        case EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR:
+            *value = surface->getBlueOffset();
+            break;
+        case EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR:
+            *value = surface->getAlphaOffset();
+            break;
+        case EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR:
+            *value = surface->getLuminanceOffset();
+            break;
+        case EGL_BITMAP_PIXEL_SIZE_KHR:
+            *value = surface->getBitmapPixelSize();
+            break;
+        case EGL_PROTECTED_CONTENT_EXT:
+            *value = surface->hasProtectedContent();
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+    return NoError();
+}
+
+egl::Error QuerySurfaceAttrib64KHR(const Display *display,
+                                   const gl::Context *context,
+                                   const Surface *surface,
+                                   EGLint attribute,
+                                   EGLAttribKHR *value)
+{
+    switch (attribute)
+    {
+        case EGL_BITMAP_PITCH_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getBitmapPitch());
+            break;
+        case EGL_BITMAP_ORIGIN_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getBitmapOrigin());
+            break;
+        case EGL_BITMAP_PIXEL_RED_OFFSET_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getRedOffset());
+            break;
+        case EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getGreenOffset());
+            break;
+        case EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getBlueOffset());
+            break;
+        case EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getAlphaOffset());
+            break;
+        case EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getLuminanceOffset());
+            break;
+        case EGL_BITMAP_PIXEL_SIZE_KHR:
+            *value = static_cast<EGLAttribKHR>(surface->getBitmapPixelSize());
+            break;
+        case EGL_BITMAP_POINTER_KHR:
+            *value = surface->getBitmapPointer();
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+    return NoError();
+}
+
+egl::Error SetSurfaceAttrib(Surface *surface, EGLint attribute, EGLint value)
+{
+    switch (attribute)
+    {
+        case EGL_MIPMAP_LEVEL:
+            surface->setMipmapLevel(value);
+            break;
+        case EGL_MULTISAMPLE_RESOLVE:
+            surface->setMultisampleResolve(value);
+            break;
+        case EGL_SWAP_BEHAVIOR:
+            surface->setSwapBehavior(value);
+            break;
+        case EGL_WIDTH:
+            surface->setFixedWidth(value);
+            break;
+        case EGL_HEIGHT:
+            surface->setFixedHeight(value);
+            break;
+        case EGL_TIMESTAMPS_ANDROID:
+            surface->setTimestampsEnabled(value != EGL_FALSE);
+            break;
+        case EGL_FRONT_BUFFER_AUTO_REFRESH_ANDROID:
+            return surface->setAutoRefreshEnabled(value == EGL_TRUE);
+        case EGL_RENDER_BUFFER:
+            return surface->setRenderBuffer(value);
+        default:
+            UNREACHABLE();
+            break;
+    }
+    return NoError();
+}
+
+Error GetSyncAttrib(Display *display, Sync *sync, EGLint attribute, EGLint *value)
+{
+    switch (attribute)
+    {
+        case EGL_SYNC_TYPE_KHR:
+            *value = sync->getType();
+            return NoError();
+
+        case EGL_SYNC_STATUS_KHR:
+            return sync->getStatus(display, value);
+
+        case EGL_SYNC_CONDITION_KHR:
+            *value = sync->getCondition();
+            return NoError();
+
+        default:
+            break;
+    }
+
+    UNREACHABLE();
+    return NoError();
+}
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/queryutils.h b/gfx/angle/checkout/src/libANGLE/queryutils.h
new file mode 100644
index 0000000000..dfb3680e8c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/queryutils.h
@@ -0,0 +1,293 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// queryutils.h: Utilities for querying values from GL objects
+
+#ifndef LIBANGLE_QUERYUTILS_H_
+#define LIBANGLE_QUERYUTILS_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+
+#include <EGL/egl.h>
+
+namespace gl
+{
+class Buffer;
+class Context;
+class Sync;
+class Framebuffer;
+class GLES1State;
+class Program;
+class Renderbuffer;
+class Sampler;
+class Shader;
+class State;
+class Texture;
+struct TextureCaps;
+struct UniformBlock;
+struct VertexAttribute;
+class VertexBinding;
+struct VertexAttribCurrentValueData;
+
+void QueryFramebufferAttachmentParameteriv(const Context *context,
+                                           const Framebuffer *framebuffer,
+                                           GLenum attachment,
+                                           GLenum pname,
+                                           GLint *params);
+void QueryBufferParameteriv(const Buffer *buffer, GLenum pname, GLint *params);
+void QueryBufferParameteri64v(const Buffer *buffer, GLenum pname, GLint64 *params);
+void QueryBufferPointerv(const Buffer *buffer, GLenum pname, void **params);
+void QueryProgramiv(Context *context, const Program *program, GLenum pname, GLint *params);
+void QueryRenderbufferiv(const Context *context,
+                         const Renderbuffer *renderbuffer,
+                         GLenum pname,
+                         GLint *params);
+void QueryShaderiv(const Context *context, Shader *shader, GLenum pname, GLint *params);
+void QueryTexLevelParameterfv(const Texture *texture,
+                              TextureTarget target,
+                              GLint level,
+                              GLenum pname,
+                              GLfloat *params);
+void QueryTexLevelParameteriv(const Texture *texture,
+                              TextureTarget target,
+                              GLint level,
+                              GLenum pname,
+                              GLint *params);
+void QueryTexParameterfv(const Context *context,
+                         const Texture *texture,
+                         GLenum pname,
+                         GLfloat *params);
+void QueryTexParameterxv(const Context *context,
+                         const Texture *texture,
+                         GLenum pname,
+                         GLfixed *params);
+void QueryTexParameteriv(const Context *context,
+                         const Texture *texture,
+                         GLenum pname,
+                         GLint *params);
+void QueryTexParameterIiv(const Context *context,
+                          const Texture *texture,
+                          GLenum pname,
+                          GLint *params);
+void QueryTexParameterIuiv(const Context *context,
+                           const Texture *texture,
+                           GLenum pname,
+                           GLuint *params);
+void QuerySamplerParameterfv(const Sampler *sampler, GLenum pname, GLfloat *params);
+void QuerySamplerParameteriv(const Sampler *sampler, GLenum pname, GLint *params);
+void QuerySamplerParameterIiv(const Sampler *sampler, GLenum pname, GLint *params);
+void QuerySamplerParameterIuiv(const Sampler *sampler, GLenum pname, GLuint *params);
+
+// Warning: you should ensure binding really matches attrib.bindingIndex before using the following
+// functions.
+void QueryVertexAttribfv(const VertexAttribute &attrib,
+                         const VertexBinding &binding,
+                         const VertexAttribCurrentValueData &currentValueData,
+                         GLenum pname,
+                         GLfloat *params);
+
+void QueryVertexAttribiv(const VertexAttribute &attrib,
+                         const VertexBinding &binding,
+                         const VertexAttribCurrentValueData &currentValueData,
+                         GLenum pname,
+                         GLint *params);
+
+void QueryVertexAttribPointerv(const VertexAttribute &attrib, GLenum pname, void **pointer);
+
+void QueryVertexAttribIiv(const VertexAttribute &attrib,
+                          const VertexBinding &binding,
+                          const VertexAttribCurrentValueData &currentValueData,
+                          GLenum pname,
+                          GLint *params);
+
+void QueryVertexAttribIuiv(const VertexAttribute &attrib,
+                           const VertexBinding &binding,
+                           const VertexAttribCurrentValueData &currentValueData,
+                           GLenum pname,
+                           GLuint *params);
+
+void QueryActiveUniformBlockiv(const Program *program,
+                               UniformBlockIndex uniformBlockIndex,
+                               GLenum pname,
+                               GLint *params);
+
+void QueryInternalFormativ(const TextureCaps &format, GLenum pname, GLsizei bufSize, GLint *params);
+
+void QueryFramebufferParameteriv(const Framebuffer *framebuffer, GLenum pname, GLint *params);
+
+angle::Result QuerySynciv(const Context *context,
+                          const Sync *sync,
+                          GLenum pname,
+                          GLsizei bufSize,
+                          GLsizei *length,
+                          GLint *values);
+
+void SetTexParameterf(Context *context, Texture *texture, GLenum pname, GLfloat param);
+void SetTexParameterfv(Context *context, Texture *texture, GLenum pname, const GLfloat *params);
+void SetTexParameteri(Context *context, Texture *texture, GLenum pname, GLint param);
+void SetTexParameteriv(Context *context, Texture *texture, GLenum pname, const GLint *params);
+void SetTexParameterIiv(Context *context, Texture *texture, GLenum pname, const GLint *params);
+void SetTexParameterIuiv(Context *context, Texture *texture, GLenum pname, const GLuint *params);
+void SetTexParameterx(Context *context, Texture *texture, GLenum pname, GLfixed param);
+void SetTexParameterxv(Context *context, Texture *texture, GLenum pname, const GLfixed *params);
+
+void SetSamplerParameterf(Context *context, Sampler *sampler, GLenum pname, GLfloat param);
+void SetSamplerParameterfv(Context *context, Sampler *sampler, GLenum pname, const GLfloat *params);
+void SetSamplerParameteri(Context *context, Sampler *sampler, GLenum pname, GLint param);
+void SetSamplerParameteriv(Context *context, Sampler *sampler, GLenum pname, const GLint *params);
+void SetSamplerParameterIiv(Context *context, Sampler *sampler, GLenum pname, const GLint *params);
+void SetSamplerParameterIuiv(Context *context,
+                             Sampler *sampler,
+                             GLenum pname,
+                             const GLuint *params);
+
+void SetFramebufferParameteri(const Context *context,
+                              Framebuffer *framebuffer,
+                              GLenum pname,
+                              GLint param);
+
+void SetProgramParameteri(Program *program, GLenum pname, GLint value);
+
+GLint GetUniformResourceProperty(const Program *program, GLuint index, const GLenum prop);
+
+GLuint QueryProgramResourceIndex(const Program *program,
+                                 GLenum programInterface,
+                                 const GLchar *name);
+
+void QueryProgramResourceName(const Context *context,
+                              const Program *program,
+                              GLenum programInterface,
+                              GLuint index,
+                              GLsizei bufSize,
+                              GLsizei *length,
+                              GLchar *name);
+
+GLint QueryProgramResourceLocation(const Program *program,
+                                   GLenum programInterface,
+                                   const GLchar *name);
+void QueryProgramResourceiv(const Program *program,
+                            GLenum programInterface,
+                            UniformBlockIndex index,
+                            GLsizei propCount,
+                            const GLenum *props,
+                            GLsizei bufSize,
+                            GLsizei *length,
+                            GLint *params);
+
+void QueryProgramInterfaceiv(const Program *program,
+                             GLenum programInterface,
+                             GLenum pname,
+                             GLint *params);
+
+angle::Result SetMemoryObjectParameteriv(const Context *context,
+                                         MemoryObject *memoryObject,
+                                         GLenum pname,
+                                         const GLint *params);
+void QueryMemoryObjectParameteriv(const MemoryObject *memoryObject, GLenum pname, GLint *params);
+
+// GLES1 emulation
+
+ClientVertexArrayType ParamToVertexArrayType(GLenum param);
+
+void SetLightParameters(GLES1State *state,
+                        GLenum light,
+                        LightParameter pname,
+                        const GLfloat *params);
+void GetLightParameters(const GLES1State *state,
+                        GLenum light,
+                        LightParameter pname,
+                        GLfloat *params);
+
+void SetLightModelParameters(GLES1State *state, GLenum pname, const GLfloat *params);
+void GetLightModelParameters(const GLES1State *state, GLenum pname, GLfloat *params);
+bool IsLightModelTwoSided(const GLES1State *state);
+
+void SetMaterialParameters(GLES1State *state,
+                           GLenum face,
+                           MaterialParameter pname,
+                           const GLfloat *params);
+void GetMaterialParameters(const GLES1State *state,
+                           GLenum face,
+                           MaterialParameter pname,
+                           GLfloat *params);
+
+unsigned int GetLightModelParameterCount(GLenum pname);
+unsigned int GetLightParameterCount(LightParameter pname);
+unsigned int GetMaterialParameterCount(MaterialParameter pname);
+
+void SetFogParameters(GLES1State *state, GLenum pname, const GLfloat *params);
+void GetFogParameters(const GLES1State *state, GLenum pname, GLfloat *params);
+unsigned int GetFogParameterCount(GLenum pname);
+
+unsigned int GetTextureEnvParameterCount(TextureEnvParameter pname);
+
+void ConvertTextureEnvFromInt(TextureEnvParameter pname, const GLint *input, GLfloat *output);
+void ConvertTextureEnvFromFixed(TextureEnvParameter pname, const GLfixed *input, GLfloat *output);
+void ConvertTextureEnvToInt(TextureEnvParameter pname, const GLfloat *input, GLint *output);
+void ConvertTextureEnvToFixed(TextureEnvParameter pname, const GLfloat *input, GLfixed *output);
+
+void SetTextureEnv(unsigned int unit,
+                   GLES1State *state,
+                   TextureEnvTarget target,
+                   TextureEnvParameter pname,
+                   const GLfloat *params);
+void GetTextureEnv(unsigned int unit,
+                   const GLES1State *state,
+                   TextureEnvTarget target,
+                   TextureEnvParameter pname,
+                   GLfloat *params);
+
+unsigned int GetPointParameterCount(PointParameter pname);
+
+void SetPointParameter(GLES1State *state, PointParameter pname, const GLfloat *params);
+void GetPointParameter(const GLES1State *state, PointParameter pname, GLfloat *params);
+
+void SetPointSize(GLES1State *state, GLfloat size);
+void GetPointSize(const GLES1State *state, GLfloat *sizeOut);
+
+unsigned int GetTexParameterCount(GLenum pname);
+
+bool GetQueryParameterInfo(const State &glState,
+                           GLenum pname,
+                           GLenum *type,
+                           unsigned int *numParams);
+
+void QueryProgramPipelineiv(const Context *context,
+                            ProgramPipeline *programPipeline,
+                            GLenum pname,
+                            GLint *params);
+}  // namespace gl
+
+namespace egl
+{
+struct Config;
+class Display;
+class Surface;
+class Sync;
+
+void QueryConfigAttrib(const Config *config, EGLint attribute, EGLint *value);
+
+void QueryContextAttrib(const gl::Context *context, EGLint attribute, EGLint *value);
+
+egl::Error QuerySurfaceAttrib(const Display *display,
+                              const gl::Context *context,
+                              Surface *surface,
+                              EGLint attribute,
+                              EGLint *value);
+egl::Error SetSurfaceAttrib(Surface *surface, EGLint attribute, EGLint value);
+Error GetSyncAttrib(Display *display, Sync *sync, EGLint attribute, EGLint *value);
+egl::Error QuerySurfaceAttrib64KHR(const Display *display,
+                                   const gl::Context *context,
+                                   const Surface *surface,
+                                   EGLint attribute,
+                                   EGLAttribKHR *value);
+
+}  // namespace egl
+
+#endif  // LIBANGLE_QUERYUTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/BufferImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/BufferImpl.cpp
new file mode 100644
index 0000000000..9cd3c5b6f6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/BufferImpl.cpp
@@ -0,0 +1,39 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// BufferImpl.cpp: Implementation methods rx::BufferImpl class.
+
+#include "libANGLE/renderer/BufferImpl.h"
+
+namespace rx
+{
+
+angle::Result BufferImpl::getSubData(const gl::Context *context,
+                                     GLintptr offset,
+                                     GLsizeiptr size,
+                                     void *outData)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result BufferImpl::setDataWithUsageFlags(const gl::Context *context,
+                                                gl::BufferBinding target,
+                                                GLeglClientBufferEXT clientBuffer,
+                                                const void *data,
+                                                size_t size,
+                                                gl::BufferUsage usage,
+                                                GLbitfield flags)
+{
+    return setData(context, target, data, size, usage);
+}
+
+angle::Result BufferImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/BufferImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/BufferImpl.h
new file mode 100644
index 0000000000..6238a4def3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/BufferImpl.h
@@ -0,0 +1,98 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// BufferImpl.h: Defines the abstract rx::BufferImpl class.
+
+#ifndef LIBANGLE_RENDERER_BUFFERIMPL_H_
+#define LIBANGLE_RENDERER_BUFFERIMPL_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Observer.h"
+
+#include <stdint.h>
+
+namespace gl
+{
+class BufferState;
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+// We use two set of Subject messages. The CONTENTS_CHANGED message is signaled whenever data
+// changes, to trigger re-translation or other events. Some buffers only need to be updated when the
+// underlying driver object changes - this is notified via the STORAGE_CHANGED message.
+class BufferImpl : public angle::Subject
+{
+  public:
+    BufferImpl(const gl::BufferState &state) : mState(state) {}
+    ~BufferImpl() override {}
+    virtual void destroy(const gl::Context *context) {}
+
+    virtual angle::Result setDataWithUsageFlags(const gl::Context *context,
+                                                gl::BufferBinding target,
+                                                GLeglClientBufferEXT clientBuffer,
+                                                const void *data,
+                                                size_t size,
+                                                gl::BufferUsage usage,
+                                                GLbitfield flags);
+    virtual angle::Result setData(const gl::Context *context,
+                                  gl::BufferBinding target,
+                                  const void *data,
+                                  size_t size,
+                                  gl::BufferUsage usage)                                = 0;
+    virtual angle::Result setSubData(const gl::Context *context,
+                                     gl::BufferBinding target,
+                                     const void *data,
+                                     size_t size,
+                                     size_t offset)                                     = 0;
+    virtual angle::Result copySubData(const gl::Context *context,
+                                      BufferImpl *source,
+                                      GLintptr sourceOffset,
+                                      GLintptr destOffset,
+                                      GLsizeiptr size)                                  = 0;
+    virtual angle::Result map(const gl::Context *context, GLenum access, void **mapPtr) = 0;
+    virtual angle::Result mapRange(const gl::Context *context,
+                                   size_t offset,
+                                   size_t length,
+                                   GLbitfield access,
+                                   void **mapPtr)                                       = 0;
+    virtual angle::Result unmap(const gl::Context *context, GLboolean *result)          = 0;
+
+    virtual angle::Result getIndexRange(const gl::Context *context,
+                                        gl::DrawElementsType type,
+                                        size_t offset,
+                                        size_t count,
+                                        bool primitiveRestartEnabled,
+                                        gl::IndexRange *outRange) = 0;
+
+    virtual angle::Result getSubData(const gl::Context *context,
+                                     GLintptr offset,
+                                     GLsizeiptr size,
+                                     void *outData);
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+    // Override if accurate native memory size information is available
+    virtual GLint64 getMemorySize() const;
+
+    virtual void onDataChanged() {}
+
+  protected:
+    const gl::BufferState &mState;
+};
+
+inline GLint64 BufferImpl::getMemorySize() const
+{
+    return 0;
+}
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_BUFFERIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/CompilerImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/CompilerImpl.h
new file mode 100644
index 0000000000..0e8c5192f2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/CompilerImpl.h
@@ -0,0 +1,32 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// CompilerImpl.h: Defines the rx::CompilerImpl class, an implementation interface
+//                 for the gl::Compiler object.
+
+#include "GLSLANG/ShaderLang.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+
+#ifndef LIBANGLE_RENDERER_COMPILERIMPL_H_
+#    define LIBANGLE_RENDERER_COMPILERIMPL_H_
+
+namespace rx
+{
+
+class CompilerImpl : angle::NonCopyable
+{
+  public:
+    CompilerImpl() {}
+    virtual ~CompilerImpl() {}
+
+    // TODO(jmadill): Expose translator built-in resources init method.
+    virtual ShShaderOutput getTranslatorOutputType() const = 0;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_COMPILERIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ContextImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/ContextImpl.cpp
new file mode 100644
index 0000000000..952d4ee37a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ContextImpl.cpp
@@ -0,0 +1,88 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ContextImpl:
+//   Implementation-specific functionality associated with a GL Context.
+//
+
+#include "libANGLE/renderer/ContextImpl.h"
+
+#include "common/third_party/base/anglebase/no_destructor.h"
+#include "libANGLE/Context.h"
+
+namespace rx
+{
+ContextImpl::ContextImpl(const gl::State &state, gl::ErrorSet *errorSet)
+    : mState(state), mMemoryProgramCache(nullptr), mErrors(errorSet)
+{}
+
+ContextImpl::~ContextImpl() {}
+
+void ContextImpl::invalidateTexture(gl::TextureType target)
+{
+    UNREACHABLE();
+}
+
+angle::Result ContextImpl::onUnMakeCurrent(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result ContextImpl::handleNoopDrawEvent()
+{
+    return angle::Result::Continue;
+}
+
+void ContextImpl::setMemoryProgramCache(gl::MemoryProgramCache *memoryProgramCache)
+{
+    mMemoryProgramCache = memoryProgramCache;
+}
+
+void ContextImpl::handleError(GLenum errorCode,
+                              const char *message,
+                              const char *file,
+                              const char *function,
+                              unsigned int line)
+{
+    std::stringstream errorStream;
+    errorStream << "Internal error: " << gl::FmtHex(errorCode) << ": " << message;
+    mErrors->handleError(errorCode, errorStream.str().c_str(), file, function, line);
+}
+
+egl::ContextPriority ContextImpl::getContextPriority() const
+{
+    return egl::ContextPriority::Medium;
+}
+
+egl::Error ContextImpl::releaseHighPowerGPU(gl::Context *)
+{
+    return egl::NoError();
+}
+
+egl::Error ContextImpl::reacquireHighPowerGPU(gl::Context *)
+{
+    return egl::NoError();
+}
+
+angle::Result ContextImpl::acquireTextures(const gl::Context *context,
+                                           const gl::TextureBarrierVector &textureBarriers)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result ContextImpl::releaseTextures(const gl::Context *context,
+                                           gl::TextureBarrierVector *textureBarriers)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+const angle::PerfMonitorCounterGroups &ContextImpl::getPerfMonitorCounters()
+{
+    static angle::base::NoDestructor<angle::PerfMonitorCounterGroups> sCounters;
+    return *sCounters;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ContextImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/ContextImpl.h
new file mode 100644
index 0000000000..3b167fe8b6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ContextImpl.h
@@ -0,0 +1,274 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ContextImpl:
+//   Implementation-specific functionality associated with a GL Context.
+//
+
+#ifndef LIBANGLE_RENDERER_CONTEXTIMPL_H_
+#define LIBANGLE_RENDERER_CONTEXTIMPL_H_
+
+#include <vector>
+
+#include "common/angleutils.h"
+#include "libANGLE/State.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+
+namespace gl
+{
+class ErrorSet;
+class MemoryProgramCache;
+class Path;
+class Semaphore;
+struct Workarounds;
+}  // namespace gl
+
+namespace rx
+{
+class ContextImpl : public GLImplFactory
+{
+  public:
+    ContextImpl(const gl::State &state, gl::ErrorSet *errorSet);
+    ~ContextImpl() override;
+
+    virtual void onDestroy(const gl::Context *context) {}
+
+    virtual angle::Result initialize() = 0;
+
+    // Flush and finish.
+    virtual angle::Result flush(const gl::Context *context)  = 0;
+    virtual angle::Result finish(const gl::Context *context) = 0;
+
+    // Drawing methods.
+    virtual angle::Result drawArrays(const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     GLint first,
+                                     GLsizei count)                  = 0;
+    virtual angle::Result drawArraysInstanced(const gl::Context *context,
+                                              gl::PrimitiveMode mode,
+                                              GLint first,
+                                              GLsizei count,
+                                              GLsizei instanceCount) = 0;
+    // Necessary for Vulkan since gl_InstanceIndex includes baseInstance
+    virtual angle::Result drawArraysInstancedBaseInstance(const gl::Context *context,
+                                                          gl::PrimitiveMode mode,
+                                                          GLint first,
+                                                          GLsizei count,
+                                                          GLsizei instanceCount,
+                                                          GLuint baseInstance) = 0;
+
+    virtual angle::Result drawElements(const gl::Context *context,
+                                       gl::PrimitiveMode mode,
+                                       GLsizei count,
+                                       gl::DrawElementsType type,
+                                       const void *indices)                                = 0;
+    virtual angle::Result drawElementsBaseVertex(const gl::Context *context,
+                                                 gl::PrimitiveMode mode,
+                                                 GLsizei count,
+                                                 gl::DrawElementsType type,
+                                                 const void *indices,
+                                                 GLint baseVertex)                         = 0;
+    virtual angle::Result drawElementsInstanced(const gl::Context *context,
+                                                gl::PrimitiveMode mode,
+                                                GLsizei count,
+                                                gl::DrawElementsType type,
+                                                const void *indices,
+                                                GLsizei instances)                         = 0;
+    virtual angle::Result drawElementsInstancedBaseVertex(const gl::Context *context,
+                                                          gl::PrimitiveMode mode,
+                                                          GLsizei count,
+                                                          gl::DrawElementsType type,
+                                                          const void *indices,
+                                                          GLsizei instances,
+                                                          GLint baseVertex)                = 0;
+    virtual angle::Result drawElementsInstancedBaseVertexBaseInstance(const gl::Context *context,
+                                                                      gl::PrimitiveMode mode,
+                                                                      GLsizei count,
+                                                                      gl::DrawElementsType type,
+                                                                      const void *indices,
+                                                                      GLsizei instances,
+                                                                      GLint baseVertex,
+                                                                      GLuint baseInstance) = 0;
+    virtual angle::Result drawRangeElements(const gl::Context *context,
+                                            gl::PrimitiveMode mode,
+                                            GLuint start,
+                                            GLuint end,
+                                            GLsizei count,
+                                            gl::DrawElementsType type,
+                                            const void *indices)                           = 0;
+    virtual angle::Result drawRangeElementsBaseVertex(const gl::Context *context,
+                                                      gl::PrimitiveMode mode,
+                                                      GLuint start,
+                                                      GLuint end,
+                                                      GLsizei count,
+                                                      gl::DrawElementsType type,
+                                                      const void *indices,
+                                                      GLint baseVertex)                    = 0;
+
+    virtual angle::Result drawArraysIndirect(const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             const void *indirect)   = 0;
+    virtual angle::Result drawElementsIndirect(const gl::Context *context,
+                                               gl::PrimitiveMode mode,
+                                               gl::DrawElementsType type,
+                                               const void *indirect) = 0;
+
+    // MultiDraw* impl added as we need workaround for promoting dynamic attributes in D3D backend
+    virtual angle::Result multiDrawArrays(const gl::Context *context,
+                                          gl::PrimitiveMode mode,
+                                          const GLint *firsts,
+                                          const GLsizei *counts,
+                                          GLsizei drawcount)                      = 0;
+    virtual angle::Result multiDrawArraysIndirect(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  const void *indirect,
+                                                  GLsizei drawcount,
+                                                  GLsizei stride)                 = 0;
+    virtual angle::Result multiDrawArraysInstanced(const gl::Context *context,
+                                                   gl::PrimitiveMode mode,
+                                                   const GLint *firsts,
+                                                   const GLsizei *counts,
+                                                   const GLsizei *instanceCounts,
+                                                   GLsizei drawcount)             = 0;
+    virtual angle::Result multiDrawElements(const gl::Context *context,
+                                            gl::PrimitiveMode mode,
+                                            const GLsizei *counts,
+                                            gl::DrawElementsType type,
+                                            const GLvoid *const *indices,
+                                            GLsizei drawcount)                    = 0;
+    virtual angle::Result multiDrawElementsInstanced(const gl::Context *context,
+                                                     gl::PrimitiveMode mode,
+                                                     const GLsizei *counts,
+                                                     gl::DrawElementsType type,
+                                                     const GLvoid *const *indices,
+                                                     const GLsizei *instanceCounts,
+                                                     GLsizei drawcount)           = 0;
+    virtual angle::Result multiDrawElementsIndirect(const gl::Context *context,
+                                                    gl::PrimitiveMode mode,
+                                                    gl::DrawElementsType type,
+                                                    const void *indirect,
+                                                    GLsizei drawcount,
+                                                    GLsizei stride)               = 0;
+    virtual angle::Result multiDrawArraysInstancedBaseInstance(const gl::Context *context,
+                                                               gl::PrimitiveMode mode,
+                                                               const GLint *firsts,
+                                                               const GLsizei *counts,
+                                                               const GLsizei *instanceCounts,
+                                                               const GLuint *baseInstances,
+                                                               GLsizei drawcount) = 0;
+    virtual angle::Result multiDrawElementsInstancedBaseVertexBaseInstance(
+        const gl::Context *context,
+        gl::PrimitiveMode mode,
+        const GLsizei *counts,
+        gl::DrawElementsType type,
+        const GLvoid *const *indices,
+        const GLsizei *instanceCounts,
+        const GLint *baseVertices,
+        const GLuint *baseInstances,
+        GLsizei drawcount) = 0;
+
+    // Device loss
+    virtual gl::GraphicsResetStatus getResetStatus() = 0;
+
+    // EXT_debug_marker
+    virtual angle::Result insertEventMarker(GLsizei length, const char *marker) = 0;
+    virtual angle::Result pushGroupMarker(GLsizei length, const char *marker)   = 0;
+    virtual angle::Result popGroupMarker()                                      = 0;
+
+    // KHR_debug
+    virtual angle::Result pushDebugGroup(const gl::Context *context,
+                                         GLenum source,
+                                         GLuint id,
+                                         const std::string &message) = 0;
+    virtual angle::Result popDebugGroup(const gl::Context *context)  = 0;
+    virtual angle::Result handleNoopDrawEvent();
+
+    // KHR_parallel_shader_compile
+    virtual void setMaxShaderCompilerThreads(GLuint count) {}
+
+    // GL_ANGLE_texture_storage_external
+    virtual void invalidateTexture(gl::TextureType target);
+
+    // EXT_shader_framebuffer_fetch_non_coherent
+    virtual void framebufferFetchBarrier() {}
+
+    // KHR_blend_equation_advanced
+    virtual void blendBarrier() {}
+
+    // State sync with dirty bits.
+    virtual angle::Result syncState(const gl::Context *context,
+                                    const gl::State::DirtyBits &dirtyBits,
+                                    const gl::State::DirtyBits &bitMask,
+                                    gl::Command command) = 0;
+
+    // Disjoint timer queries
+    virtual GLint getGPUDisjoint() = 0;
+    virtual GLint64 getTimestamp() = 0;
+
+    // Context switching
+    virtual angle::Result onMakeCurrent(const gl::Context *context) = 0;
+    virtual angle::Result onUnMakeCurrent(const gl::Context *context);
+
+    // Native capabilities, unmodified by gl::Context.
+    virtual gl::Caps getNativeCaps() const                                 = 0;
+    virtual const gl::TextureCapsMap &getNativeTextureCaps() const         = 0;
+    virtual const gl::Extensions &getNativeExtensions() const              = 0;
+    virtual const gl::Limitations &getNativeLimitations() const            = 0;
+    virtual ShPixelLocalStorageType getNativePixelLocalStorageType() const = 0;
+
+    virtual angle::Result dispatchCompute(const gl::Context *context,
+                                          GLuint numGroupsX,
+                                          GLuint numGroupsY,
+                                          GLuint numGroupsZ)         = 0;
+    virtual angle::Result dispatchComputeIndirect(const gl::Context *context,
+                                                  GLintptr indirect) = 0;
+
+    virtual angle::Result memoryBarrier(const gl::Context *context, GLbitfield barriers) = 0;
+    virtual angle::Result memoryBarrierByRegion(const gl::Context *context,
+                                                GLbitfield barriers)                     = 0;
+
+    const gl::State &getState() const { return mState; }
+    int getClientMajorVersion() const { return mState.getClientMajorVersion(); }
+    int getClientMinorVersion() const { return mState.getClientMinorVersion(); }
+    const gl::Caps &getCaps() const { return mState.getCaps(); }
+    const gl::TextureCapsMap &getTextureCaps() const { return mState.getTextureCaps(); }
+    const gl::Extensions &getExtensions() const { return mState.getExtensions(); }
+    const gl::Limitations &getLimitations() const { return mState.getLimitations(); }
+
+    // A common GL driver behaviour is to trigger dynamic shader recompilation on a draw call,
+    // based on the current render states. We store a mutable pointer to the program cache so
+    // on draw calls we can store the refreshed shaders in the cache.
+    void setMemoryProgramCache(gl::MemoryProgramCache *memoryProgramCache);
+
+    void handleError(GLenum errorCode,
+                     const char *message,
+                     const char *file,
+                     const char *function,
+                     unsigned int line);
+
+    virtual egl::ContextPriority getContextPriority() const;
+
+    // EGL_ANGLE_power_preference implementation.
+    virtual egl::Error releaseHighPowerGPU(gl::Context *context);
+    virtual egl::Error reacquireHighPowerGPU(gl::Context *context);
+
+    // GL_ANGLE_vulkan_image
+    virtual angle::Result acquireTextures(const gl::Context *context,
+                                          const gl::TextureBarrierVector &textureBarriers);
+    virtual angle::Result releaseTextures(const gl::Context *context,
+                                          gl::TextureBarrierVector *textureBarriers);
+
+    // AMD_performance_monitor
+    virtual const angle::PerfMonitorCounterGroups &getPerfMonitorCounters();
+
+  protected:
+    const gl::State &mState;
+    gl::MemoryProgramCache *mMemoryProgramCache;
+    gl::ErrorSet *mErrors;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_CONTEXTIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/DeviceImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/DeviceImpl.cpp
new file mode 100644
index 0000000000..109fc48477
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/DeviceImpl.cpp
@@ -0,0 +1,18 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DeviceImpl.cpp: Implementation methods of egl::Device
+
+#include "libANGLE/renderer/DeviceImpl.h"
+
+namespace rx
+{
+
+DeviceImpl::DeviceImpl() {}
+
+DeviceImpl::~DeviceImpl() {}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/DeviceImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/DeviceImpl.h
new file mode 100644
index 0000000000..30cee7d514
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/DeviceImpl.h
@@ -0,0 +1,42 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DeviceImpl.h: Implementation methods of egl::Device
+
+#ifndef LIBANGLE_RENDERER_DEVICEIMPL_H_
+#define LIBANGLE_RENDERER_DEVICEIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Error.h"
+
+namespace egl
+{
+class Display;
+}
+
+namespace rx
+{
+class DisplayImpl;
+
+class DeviceImpl : angle::NonCopyable
+{
+  public:
+    DeviceImpl();
+    virtual ~DeviceImpl();
+
+    virtual egl::Error initialize() = 0;
+
+    virtual egl::Error getAttribute(const egl::Display *display,
+                                    EGLint attribute,
+                                    void **outValue)                            = 0;
+    virtual EGLint getType()                                                    = 0;
+    virtual void generateExtensions(egl::DeviceExtensions *outExtensions) const = 0;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_DEVICEIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.cpp
new file mode 100644
index 0000000000..f07cd30517
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.cpp
@@ -0,0 +1,168 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DisplayImpl.cpp: Implementation methods of egl::Display
+
+#include "libANGLE/renderer/DisplayImpl.h"
+
+#include "libANGLE/Display.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/renderer/DeviceImpl.h"
+
+namespace rx
+{
+namespace
+{
+// For back-ends that do not implement EGLDevice.
+class MockDevice : public DeviceImpl
+{
+  public:
+    MockDevice() = default;
+    egl::Error initialize() override { return egl::NoError(); }
+    egl::Error getAttribute(const egl::Display *display, EGLint attribute, void **outValue) override
+    {
+        UNREACHABLE();
+        return egl::EglBadAttribute();
+    }
+    EGLint getType() override
+    {
+        UNREACHABLE();
+        return EGL_NONE;
+    }
+    void generateExtensions(egl::DeviceExtensions *outExtensions) const override
+    {
+        *outExtensions = egl::DeviceExtensions();
+    }
+};
+}  // anonymous namespace
+
+DisplayImpl::DisplayImpl(const egl::DisplayState &state)
+    : mState(state), mExtensionsInitialized(false), mCapsInitialized(false), mBlobCache(nullptr)
+{}
+
+DisplayImpl::~DisplayImpl()
+{
+    ASSERT(mState.surfaceSet.empty());
+}
+
+egl::Error DisplayImpl::prepareForCall()
+{
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::releaseThread()
+{
+    return egl::NoError();
+}
+
+const egl::DisplayExtensions &DisplayImpl::getExtensions() const
+{
+    if (!mExtensionsInitialized)
+    {
+        generateExtensions(&mExtensions);
+        mExtensionsInitialized = true;
+    }
+
+    return mExtensions;
+}
+
+egl::Error DisplayImpl::handleGPUSwitch()
+{
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow)
+{
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::validateClientBuffer(const egl::Config *configuration,
+                                             EGLenum buftype,
+                                             EGLClientBuffer clientBuffer,
+                                             const egl::AttributeMap &attribs) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay() << "DisplayImpl::validateClientBuffer unimplemented.";
+}
+
+egl::Error DisplayImpl::validateImageClientBuffer(const gl::Context *context,
+                                                  EGLenum target,
+                                                  EGLClientBuffer clientBuffer,
+                                                  const egl::AttributeMap &attribs) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay() << "DisplayImpl::validateImageClientBuffer unimplemented.";
+}
+
+egl::Error DisplayImpl::validatePixmap(const egl::Config *config,
+                                       EGLNativePixmapType pixmap,
+                                       const egl::AttributeMap &attributes) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay() << "DisplayImpl::valdiatePixmap unimplemented.";
+}
+
+const egl::Caps &DisplayImpl::getCaps() const
+{
+    if (!mCapsInitialized)
+    {
+        generateCaps(&mCaps);
+        mCapsInitialized = true;
+    }
+
+    return mCaps;
+}
+
+DeviceImpl *DisplayImpl::createDevice()
+{
+    return new MockDevice();
+}
+
+bool DisplayImpl::isX11() const
+{
+    return false;
+}
+
+bool DisplayImpl::isWayland() const
+{
+    return false;
+}
+
+bool DisplayImpl::isGBM() const
+{
+    return false;
+}
+
+bool DisplayImpl::supportsDmaBufFormat(EGLint format) const
+{
+    UNREACHABLE();
+    return false;
+}
+
+egl::Error DisplayImpl::queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats)
+{
+    UNREACHABLE();
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::queryDmaBufModifiers(EGLint format,
+                                             EGLint max_modifiers,
+                                             EGLuint64KHR *modifiers,
+                                             EGLBoolean *external_only,
+                                             EGLint *num_modifiers)
+{
+    UNREACHABLE();
+    return egl::NoError();
+}
+
+GLuint DisplayImpl::getNextSurfaceID()
+{
+    uint64_t id = mNextSurfaceID.generate().getValue();
+    ASSERT(id <= 0xfffffffful);
+    return static_cast<GLuint>(id);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.h
new file mode 100644
index 0000000000..0dea083f9e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.h
@@ -0,0 +1,169 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DisplayImpl.h: Implementation methods of egl::Display
+
+#ifndef LIBANGLE_RENDERER_DISPLAYIMPL_H_
+#define LIBANGLE_RENDERER_DISPLAYIMPL_H_
+
+#include "common/Optional.h"
+#include "common/angleutils.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/Stream.h"
+#include "libANGLE/Version.h"
+#include "libANGLE/renderer/EGLImplFactory.h"
+#include "platform/Feature.h"
+
+#include <set>
+#include <vector>
+
+namespace angle
+{
+struct FrontendFeatures;
+}  // namespace angle
+
+namespace egl
+{
+class AttributeMap;
+class BlobCache;
+class Display;
+struct DisplayState;
+struct Config;
+class Surface;
+class ImageSibling;
+class Thread;
+}  // namespace egl
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class SurfaceImpl;
+class ImageImpl;
+struct ConfigDesc;
+class DeviceImpl;
+class StreamProducerImpl;
+
+class ShareGroupImpl : angle::NonCopyable
+{
+  public:
+    ShareGroupImpl() : mAnyContextWithRobustness(false) {}
+    virtual ~ShareGroupImpl() {}
+    virtual void onDestroy(const egl::Display *display) {}
+
+    void onRobustContextAdd() { mAnyContextWithRobustness = true; }
+    bool hasAnyContextWithRobustness() const { return mAnyContextWithRobustness; }
+
+  private:
+    // Whether any context in the share group has robustness enabled.  If any context in the share
+    // group is robust, any program created in any context of the share group must have robustness
+    // enabled.  This is because programs are shared between the share group contexts.
+    bool mAnyContextWithRobustness;
+};
+
+class DisplayImpl : public EGLImplFactory, public angle::Subject
+{
+  public:
+    DisplayImpl(const egl::DisplayState &state);
+    ~DisplayImpl() override;
+
+    virtual egl::Error initialize(egl::Display *display) = 0;
+    virtual void terminate()                             = 0;
+    virtual egl::Error prepareForCall();
+    virtual egl::Error releaseThread();
+
+    virtual egl::Error makeCurrent(egl::Display *display,
+                                   egl::Surface *drawSurface,
+                                   egl::Surface *readSurface,
+                                   gl::Context *context) = 0;
+
+    virtual egl::ConfigSet generateConfigs() = 0;
+
+    virtual bool testDeviceLost()                                     = 0;
+    virtual egl::Error restoreLostDevice(const egl::Display *display) = 0;
+
+    virtual bool isValidNativeWindow(EGLNativeWindowType window) const = 0;
+    virtual egl::Error validateClientBuffer(const egl::Config *configuration,
+                                            EGLenum buftype,
+                                            EGLClientBuffer clientBuffer,
+                                            const egl::AttributeMap &attribs) const;
+    virtual egl::Error validateImageClientBuffer(const gl::Context *context,
+                                                 EGLenum target,
+                                                 EGLClientBuffer clientBuffer,
+                                                 const egl::AttributeMap &attribs) const;
+    virtual egl::Error validatePixmap(const egl::Config *config,
+                                      EGLNativePixmapType pixmap,
+                                      const egl::AttributeMap &attributes) const;
+
+    virtual std::string getRendererDescription()                  = 0;
+    virtual std::string getVendorString()                         = 0;
+    virtual std::string getVersionString(bool includeFullVersion) = 0;
+
+    virtual DeviceImpl *createDevice();
+
+    virtual egl::Error waitClient(const gl::Context *context)                = 0;
+    virtual egl::Error waitNative(const gl::Context *context, EGLint engine) = 0;
+    virtual gl::Version getMaxSupportedESVersion() const                     = 0;
+    virtual gl::Version getMaxConformantESVersion() const                    = 0;
+    // If desktop GL is not supported in any capacity for a given backend, this returns None.
+    virtual Optional<gl::Version> getMaxSupportedDesktopVersion() const = 0;
+    const egl::Caps &getCaps() const;
+
+    virtual void setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get) {}
+
+    const egl::DisplayExtensions &getExtensions() const;
+
+    void setBlobCache(egl::BlobCache *blobCache) { mBlobCache = blobCache; }
+    egl::BlobCache *getBlobCache() const { return mBlobCache; }
+
+    virtual void initializeFrontendFeatures(angle::FrontendFeatures *features) const {}
+
+    virtual void populateFeatureList(angle::FeatureList *features) = 0;
+
+    const egl::DisplayState &getState() const { return mState; }
+
+    virtual egl::Error handleGPUSwitch();
+    virtual egl::Error forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow);
+
+    virtual bool isX11() const;
+    virtual bool isWayland() const;
+    virtual bool isGBM() const;
+
+    virtual bool supportsDmaBufFormat(EGLint format) const;
+    virtual egl::Error queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats);
+    virtual egl::Error queryDmaBufModifiers(EGLint format,
+                                            EGLint max_modifiers,
+                                            EGLuint64KHR *modifiers,
+                                            EGLBoolean *external_only,
+                                            EGLint *num_modifiers);
+    GLuint getNextSurfaceID() override;
+
+  protected:
+    const egl::DisplayState &mState;
+
+  private:
+    virtual void generateExtensions(egl::DisplayExtensions *outExtensions) const = 0;
+    virtual void generateCaps(egl::Caps *outCaps) const                          = 0;
+
+    mutable bool mExtensionsInitialized;
+    mutable egl::DisplayExtensions mExtensions;
+
+    mutable bool mCapsInitialized;
+    mutable egl::Caps mCaps;
+
+    egl::BlobCache *mBlobCache;
+    rx::AtomicSerialFactory mNextSurfaceID;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_DISPLAYIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/EGLImplFactory.h b/gfx/angle/checkout/src/libANGLE/renderer/EGLImplFactory.h
new file mode 100644
index 0000000000..4d5308dc0e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/EGLImplFactory.h
@@ -0,0 +1,104 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// EGLImplFactory.h:
+//   Factory interface for EGL Impl objects.
+//
+
+#ifndef LIBANGLE_RENDERER_EGLIMPLFACTORY_H_
+#define LIBANGLE_RENDERER_EGLIMPLFACTORY_H_
+
+#include "libANGLE/Stream.h"
+
+namespace egl
+{
+class AttributeMap;
+struct Config;
+class ImageSibling;
+struct ImageState;
+struct SurfaceState;
+}  // namespace egl
+
+namespace gl
+{
+class Context;
+class ErrorSet;
+class State;
+}  // namespace gl
+
+namespace rx
+{
+class ContextImpl;
+class EGLSyncImpl;
+class ImageImpl;
+class ExternalImageSiblingImpl;
+class SurfaceImpl;
+class ShareGroupImpl;
+
+class EGLImplFactory : angle::NonCopyable
+{
+  public:
+    EGLImplFactory() {}
+    virtual ~EGLImplFactory() {}
+
+    virtual SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
+                                             EGLNativeWindowType window,
+                                             const egl::AttributeMap &attribs)           = 0;
+    virtual SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
+                                              const egl::AttributeMap &attribs)          = 0;
+    virtual SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
+                                                       EGLenum buftype,
+                                                       EGLClientBuffer clientBuffer,
+                                                       const egl::AttributeMap &attribs) = 0;
+    virtual SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
+                                             NativePixmapType nativePixmap,
+                                             const egl::AttributeMap &attribs)           = 0;
+
+    virtual ImageImpl *createImage(const egl::ImageState &state,
+                                   const gl::Context *context,
+                                   EGLenum target,
+                                   const egl::AttributeMap &attribs) = 0;
+
+    virtual ContextImpl *createContext(const gl::State &state,
+                                       gl::ErrorSet *errorSet,
+                                       const egl::Config *configuration,
+                                       const gl::Context *shareContext,
+                                       const egl::AttributeMap &attribs) = 0;
+
+    virtual StreamProducerImpl *createStreamProducerD3DTexture(
+        egl::Stream::ConsumerType consumerType,
+        const egl::AttributeMap &attribs) = 0;
+
+    virtual ExternalImageSiblingImpl *createExternalImageSibling(const gl::Context *context,
+                                                                 EGLenum target,
+                                                                 EGLClientBuffer buffer,
+                                                                 const egl::AttributeMap &attribs);
+
+    virtual EGLSyncImpl *createSync(const egl::AttributeMap &attribs);
+
+    virtual ShareGroupImpl *createShareGroup() = 0;
+
+    virtual GLuint getNextSurfaceID() = 0;
+};
+
+inline ExternalImageSiblingImpl *EGLImplFactory::createExternalImageSibling(
+    const gl::Context *context,
+    EGLenum target,
+    EGLClientBuffer buffer,
+    const egl::AttributeMap &attribs)
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+inline EGLSyncImpl *EGLImplFactory::createSync(const egl::AttributeMap &attribs)
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_EGLIMPLFACTORY_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/EGLReusableSync.cpp b/gfx/angle/checkout/src/libANGLE/renderer/EGLReusableSync.cpp
new file mode 100644
index 0000000000..8441b028da
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/EGLReusableSync.cpp
@@ -0,0 +1,116 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGLReusableSync.cpp: Implements the egl::ReusableSync class.
+
+#include "libANGLE/renderer/EGLReusableSync.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/ContextImpl.h"
+
+namespace rx
+{
+
+ReusableSync::ReusableSync(const egl::AttributeMap &attribs)
+    : EGLSyncImpl(), mStatus(EGL_UNSIGNALED)
+{}
+
+void ReusableSync::onDestroy(const egl::Display *display) {}
+
+ReusableSync::~ReusableSync()
+{
+    // Release any waiting thread.
+    mCondVar.notify_all();
+}
+
+egl::Error ReusableSync::initialize(const egl::Display *display,
+                                    const gl::Context *context,
+                                    EGLenum type)
+{
+    return egl::NoError();
+}
+
+egl::Error ReusableSync::clientWait(const egl::Display *display,
+                                    const gl::Context *context,
+                                    EGLint flags,
+                                    EGLTime timeout,
+                                    EGLint *outResult)
+{
+    if (mStatus == EGL_SIGNALED)
+    {
+        *outResult = EGL_CONDITION_SATISFIED_KHR;
+        return egl::NoError();
+    }
+    if (((flags & EGL_SYNC_FLUSH_COMMANDS_BIT) != 0) && (context != nullptr))
+    {
+        angle::Result result = context->getImplementation()->flush(context);
+        if (result != angle::Result::Continue)
+        {
+            return ResultToEGL(result);
+        }
+    }
+    if (timeout == 0)
+    {
+        *outResult = EGL_TIMEOUT_EXPIRED_KHR;
+        return egl::NoError();
+    }
+
+    using NanoSeconds    = std::chrono::duration<int64_t, std::nano>;
+    NanoSeconds duration = (timeout == EGL_FOREVER) ? NanoSeconds::max() : NanoSeconds(timeout);
+    std::cv_status waitStatus = std::cv_status::no_timeout;
+    mMutex.lock();
+    waitStatus = mCondVar.wait_for(mMutex, duration);
+    mMutex.unlock();
+
+    switch (waitStatus)
+    {
+        case std::cv_status::no_timeout:  // Signaled.
+            *outResult = EGL_CONDITION_SATISFIED_KHR;
+            break;
+        case std::cv_status::timeout:  // Timed-out.
+            *outResult = EGL_TIMEOUT_EXPIRED_KHR;
+            break;
+        default:
+            break;
+    }
+    return egl::NoError();
+}
+
+egl::Error ReusableSync::serverWait(const egl::Display *display,
+                                    const gl::Context *context,
+                                    EGLint flags)
+{
+    // Does not support server wait.
+    return egl::EglBadMatch();
+}
+
+egl::Error ReusableSync::signal(const egl::Display *display,
+                                const gl::Context *context,
+                                EGLint mode)
+{
+    if (mode == EGL_SIGNALED)
+    {
+        if (mStatus == EGL_UNSIGNALED)
+        {
+            // Release all threads.
+            mCondVar.notify_all();
+        }
+        mStatus = EGL_SIGNALED;
+    }
+    else
+    {
+        mStatus = EGL_UNSIGNALED;
+    }
+    return egl::NoError();
+}
+
+egl::Error ReusableSync::getStatus(const egl::Display *display, EGLint *outStatus)
+{
+    *outStatus = mStatus;
+    return egl::NoError();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/EGLReusableSync.h b/gfx/angle/checkout/src/libANGLE/renderer/EGLReusableSync.h
new file mode 100644
index 0000000000..12c972565d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/EGLReusableSync.h
@@ -0,0 +1,54 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGL_KHR_reusable_sync
+
+#ifndef LIBANGLE_RENDERER_EGLREUSABLESYNC_H_
+#define LIBANGLE_RENDERER_EGLREUSABLESYNC_H_
+
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/renderer/EGLSyncImpl.h"
+
+#include "common/angleutils.h"
+
+#include <condition_variable>
+
+namespace rx
+{
+
+class ReusableSync final : public EGLSyncImpl
+{
+  public:
+    ReusableSync(const egl::AttributeMap &attribs);
+    ~ReusableSync() override;
+
+    void onDestroy(const egl::Display *display) override;
+
+    egl::Error initialize(const egl::Display *display,
+                          const gl::Context *context,
+                          EGLenum type) override;
+    egl::Error clientWait(const egl::Display *display,
+                          const gl::Context *context,
+                          EGLint flags,
+                          EGLTime timeout,
+                          EGLint *outResult) override;
+    egl::Error serverWait(const egl::Display *display,
+                          const gl::Context *context,
+                          EGLint flags) override;
+    egl::Error signal(const egl::Display *display,
+                      const gl::Context *context,
+                      EGLint mode) override;
+    egl::Error getStatus(const egl::Display *display, EGLint *outStatus) override;
+
+  private:
+    EGLint mStatus;
+    std::condition_variable mCondVar;
+    std::unique_lock<std::mutex> mMutex;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_EGLREUSABLESYNC_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/EGLSyncImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/EGLSyncImpl.cpp
new file mode 100644
index 0000000000..a62edce539
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/EGLSyncImpl.cpp
@@ -0,0 +1,37 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGLSyncImpl.cpp: Implements the rx::EGLSyncImpl class.
+
+#include "libANGLE/renderer/EGLReusableSync.h"
+
+#include "angle_gl.h"
+
+#include "common/utilities.h"
+
+namespace rx
+{
+
+egl::Error EGLSyncImpl::signal(const egl::Display *display, const gl::Context *context, EGLint mode)
+{
+    UNREACHABLE();
+    return egl::EglBadMatch();
+}
+
+egl::Error EGLSyncImpl::copyMetalSharedEventANGLE(const egl::Display *display,
+                                                  void **eventOut) const
+{
+    UNREACHABLE();
+    return egl::EglBadMatch();
+}
+
+egl::Error EGLSyncImpl::dupNativeFenceFD(const egl::Display *display, EGLint *fdOut) const
+{
+    UNREACHABLE();
+    return egl::EglBadMatch();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/EGLSyncImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/EGLSyncImpl.h
new file mode 100644
index 0000000000..1dee6d315b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/EGLSyncImpl.h
@@ -0,0 +1,57 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGLSyncImpl.h: Defines the rx::EGLSyncImpl class.
+
+#ifndef LIBANGLE_RENDERER_EGLSYNCIMPL_H_
+#define LIBANGLE_RENDERER_EGLSYNCIMPL_H_
+
+#include "libANGLE/Error.h"
+
+#include "common/angleutils.h"
+
+#include "angle_gl.h"
+
+namespace egl
+{
+class Display;
+}  // namespace egl
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class EGLSyncImpl : angle::NonCopyable
+{
+  public:
+    EGLSyncImpl() {}
+    virtual ~EGLSyncImpl() {}
+
+    virtual void onDestroy(const egl::Display *display) {}
+
+    virtual egl::Error initialize(const egl::Display *display,
+                                  const gl::Context *context,
+                                  EGLenum type)      = 0;
+    virtual egl::Error clientWait(const egl::Display *display,
+                                  const gl::Context *context,
+                                  EGLint flags,
+                                  EGLTime timeout,
+                                  EGLint *outResult) = 0;
+    virtual egl::Error serverWait(const egl::Display *display,
+                                  const gl::Context *context,
+                                  EGLint flags)      = 0;
+    virtual egl::Error signal(const egl::Display *display, const gl::Context *context, EGLint mode);
+    virtual egl::Error getStatus(const egl::Display *display, EGLint *outStatus) = 0;
+    virtual egl::Error copyMetalSharedEventANGLE(const egl::Display *display,
+                                                 void **outEvent) const;
+    virtual egl::Error dupNativeFenceFD(const egl::Display *display, EGLint *fdOut) const;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_EGLSYNCIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/FenceNVImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/FenceNVImpl.h
new file mode 100644
index 0000000000..99c002ad2e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/FenceNVImpl.h
@@ -0,0 +1,38 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// FenceNVImpl.h: Defines the rx::FenceNVImpl class.
+
+#ifndef LIBANGLE_RENDERER_FENCENVIMPL_H_
+#define LIBANGLE_RENDERER_FENCENVIMPL_H_
+
+#include "libANGLE/Error.h"
+
+#include "common/angleutils.h"
+
+#include "angle_gl.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class FenceNVImpl : angle::NonCopyable
+{
+  public:
+    FenceNVImpl() {}
+    virtual ~FenceNVImpl() {}
+
+    virtual void onDestroy(const gl::Context *context)                             = 0;
+    virtual angle::Result set(const gl::Context *context, GLenum condition)        = 0;
+    virtual angle::Result test(const gl::Context *context, GLboolean *outFinished) = 0;
+    virtual angle::Result finish(const gl::Context *context)                       = 0;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_FENCENVIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/Format.h b/gfx/angle/checkout/src/libANGLE/renderer/Format.h
new file mode 100644
index 0000000000..1974381f53
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/Format.h
@@ -0,0 +1,238 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Format:
+//   A universal description of typed GPU storage. Across multiple
+//   renderer back-ends, there are common formats and some distinct
+//   permutations, this enum encapsulates them all. Formats apply to
+//   textures, but could also apply to any typed data.
+
+#ifndef LIBANGLE_RENDERER_FORMAT_H_
+#define LIBANGLE_RENDERER_FORMAT_H_
+
+#include "libANGLE/renderer/FormatID_autogen.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace angle
+{
+enum class FormatID;
+
+extern const Format gFormatInfoTable[];
+
+struct Format final : private angle::NonCopyable
+{
+    inline constexpr Format(FormatID id,
+                            GLenum glFormat,
+                            GLenum fboFormat,
+                            rx::MipGenerationFunction mipGen,
+                            const rx::FastCopyFunctionMap &fastCopyFunctions,
+                            rx::PixelReadFunction colorRead,
+                            rx::PixelWriteFunction colorWrite,
+                            GLenum componentType,
+                            GLuint redBits,
+                            GLuint greenBits,
+                            GLuint blueBits,
+                            GLuint alphaBits,
+                            GLuint luminanceBits,
+                            GLuint depthBits,
+                            GLuint stencilBits,
+                            GLuint pixelBytes,
+                            GLuint componentAlignmentMask,
+                            bool isBlock,
+                            bool isFixed,
+                            bool isScaled,
+                            bool isSRGB,
+                            bool isYUV,
+                            gl::VertexAttribType vertexAttribType);
+
+    static const Format &Get(FormatID id) { return gFormatInfoTable[static_cast<int>(id)]; }
+
+    static FormatID InternalFormatToID(GLenum internalFormat);
+
+    constexpr bool hasDepthOrStencilBits() const;
+    constexpr bool isLUMA() const;
+    constexpr bool isBGRA() const;
+
+    constexpr bool isSint() const;
+    constexpr bool isUint() const;
+    constexpr bool isSnorm() const;
+    constexpr bool isUnorm() const;
+    constexpr bool isFloat() const;
+    constexpr bool isVertexTypeHalfFloat() const;
+
+    constexpr bool isInt() const { return isSint() || isUint(); }
+    constexpr bool isNorm() const { return isSnorm() || isUnorm(); }
+    constexpr bool isPureInt() const { return isInt() && !isScaled; }
+
+    bool operator==(const Format &other) const { return this->id == other.id; }
+
+    FormatID id;
+
+    // The closest matching GL internal format for the storage this format uses. Note that this
+    // may be a different internal format than the one this ANGLE format is used for.
+    GLenum glInternalFormat;
+
+    // The format we should report to the GL layer when querying implementation formats from a FBO.
+    // This might not be the same as the glInternalFormat, since some DXGI formats don't have
+    // matching GL format enums, like BGRA4, BGR5A1 and B5G6R6.
+    GLenum fboImplementationInternalFormat;
+
+    rx::MipGenerationFunction mipGenerationFunction;
+    rx::PixelReadFunction pixelReadFunction;
+    rx::PixelWriteFunction pixelWriteFunction;
+
+    // A map from a gl::FormatType to a fast pixel copy function for this format.
+    const rx::FastCopyFunctionMap &fastCopyFunctions;
+
+    GLenum componentType;
+
+    GLuint redBits;
+    GLuint greenBits;
+    GLuint blueBits;
+    GLuint alphaBits;
+    GLuint luminanceBits;
+    GLuint depthBits;
+    GLuint stencilBits;
+
+    GLuint pixelBytes;
+
+    // For 1-byte components, is 0x0. For 2-byte, is 0x1. For 4-byte, is 0x3. For all others,
+    // MAX_UINT.
+    GLuint componentAlignmentMask;
+
+    GLuint channelCount;
+
+    bool isBlock;
+    bool isFixed;
+    bool isScaled;
+    bool isSRGB;
+    bool isYUV;
+
+    // For vertex formats only. Returns the "type" value for glVertexAttribPointer etc.
+    gl::VertexAttribType vertexAttribType;
+};
+
+constexpr GLuint GetChannelCount(GLuint redBits,
+                                 GLuint greenBits,
+                                 GLuint blueBits,
+                                 GLuint alphaBits,
+                                 GLuint luminanceBits,
+                                 GLuint depthBits,
+                                 GLuint stencilBits)
+{
+    return (redBits > 0 ? 1 : 0) + (greenBits > 0 ? 1 : 0) + (blueBits > 0 ? 1 : 0) +
+           (alphaBits > 0 ? 1 : 0) + (luminanceBits > 0 ? 1 : 0) + (depthBits > 0 ? 1 : 0) +
+           (stencilBits > 0 ? 1 : 0);
+}
+
+constexpr Format::Format(FormatID id,
+                         GLenum glFormat,
+                         GLenum fboFormat,
+                         rx::MipGenerationFunction mipGen,
+                         const rx::FastCopyFunctionMap &fastCopyFunctions,
+                         rx::PixelReadFunction colorRead,
+                         rx::PixelWriteFunction colorWrite,
+                         GLenum componentType,
+                         GLuint redBits,
+                         GLuint greenBits,
+                         GLuint blueBits,
+                         GLuint alphaBits,
+                         GLuint luminanceBits,
+                         GLuint depthBits,
+                         GLuint stencilBits,
+                         GLuint pixelBytes,
+                         GLuint componentAlignmentMask,
+                         bool isBlock,
+                         bool isFixed,
+                         bool isScaled,
+                         bool isSRGB,
+                         bool isYUV,
+                         gl::VertexAttribType vertexAttribType)
+    : id(id),
+      glInternalFormat(glFormat),
+      fboImplementationInternalFormat(fboFormat),
+      mipGenerationFunction(mipGen),
+      pixelReadFunction(colorRead),
+      pixelWriteFunction(colorWrite),
+      fastCopyFunctions(fastCopyFunctions),
+      componentType(componentType),
+      redBits(redBits),
+      greenBits(greenBits),
+      blueBits(blueBits),
+      alphaBits(alphaBits),
+      luminanceBits(luminanceBits),
+      depthBits(depthBits),
+      stencilBits(stencilBits),
+      pixelBytes(pixelBytes),
+      componentAlignmentMask(componentAlignmentMask),
+      channelCount(GetChannelCount(redBits,
+                                   greenBits,
+                                   blueBits,
+                                   alphaBits,
+                                   luminanceBits,
+                                   depthBits,
+                                   stencilBits)),
+      isBlock(isBlock),
+      isFixed(isFixed),
+      isScaled(isScaled),
+      isSRGB(isSRGB),
+      isYUV(isYUV),
+      vertexAttribType(vertexAttribType)
+{}
+
+constexpr bool Format::hasDepthOrStencilBits() const
+{
+    return depthBits > 0 || stencilBits > 0;
+}
+
+constexpr bool Format::isLUMA() const
+{
+    // There's no format with G or B without R
+    ASSERT(redBits > 0 || (greenBits == 0 && blueBits == 0));
+    return redBits == 0 && (luminanceBits > 0 || alphaBits > 0);
+}
+
+constexpr bool Format::isBGRA() const
+{
+    return id == FormatID::B8G8R8A8_UNORM || id == FormatID::B8G8R8A8_UNORM_SRGB ||
+           id == FormatID::B8G8R8A8_TYPELESS || id == FormatID::B8G8R8A8_TYPELESS_SRGB;
+}
+
+constexpr bool Format::isSint() const
+{
+    return componentType == GL_INT;
+}
+
+constexpr bool Format::isUint() const
+{
+    return componentType == GL_UNSIGNED_INT;
+}
+
+constexpr bool Format::isSnorm() const
+{
+    return componentType == GL_SIGNED_NORMALIZED;
+}
+
+constexpr bool Format::isUnorm() const
+{
+    return componentType == GL_UNSIGNED_NORMALIZED;
+}
+
+constexpr bool Format::isFloat() const
+{
+    return componentType == GL_FLOAT;
+}
+
+constexpr bool Format::isVertexTypeHalfFloat() const
+{
+    return vertexAttribType == gl::VertexAttribType::HalfFloat;
+}
+
+template <typename T>
+using FormatMap = PackedEnumMap<FormatID, T, kNumANGLEFormats>;
+
+}  // namespace angle
+
+#endif  // LIBANGLE_RENDERER_FORMAT_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/FormatID_autogen.h b/gfx/angle/checkout/src/libANGLE/renderer/FormatID_autogen.h
new file mode 100644
index 0000000000..1e6ded8001
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/FormatID_autogen.h
@@ -0,0 +1,264 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_angle_format_table.py using data from angle_format_data.json
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ANGLE format enumeration.
+
+#ifndef LIBANGLE_RENDERER_FORMATID_H_
+#define LIBANGLE_RENDERER_FORMATID_H_
+
+#include <cstdint>
+
+namespace angle
+{
+
+enum class FormatID
+{
+    NONE,
+    D16_UNORM,
+    D24_UNORM_S8_UINT,
+    D24_UNORM_X8_UINT,
+    D32_FLOAT,
+    D32_FLOAT_S8X24_UINT,
+    D32_UNORM,
+    S8_UINT,
+    A16_FLOAT,
+    A1R5G5B5_UNORM,
+    A2R10G10B10_SINT_VERTEX,
+    A2R10G10B10_SNORM_VERTEX,
+    A2R10G10B10_SSCALED_VERTEX,
+    A2R10G10B10_UINT_VERTEX,
+    A2R10G10B10_UNORM_VERTEX,
+    A2R10G10B10_USCALED_VERTEX,
+    A32_FLOAT,
+    A8_UNORM,
+    ASTC_10x10_SRGB_BLOCK,
+    ASTC_10x10_UNORM_BLOCK,
+    ASTC_10x5_SRGB_BLOCK,
+    ASTC_10x5_UNORM_BLOCK,
+    ASTC_10x6_SRGB_BLOCK,
+    ASTC_10x6_UNORM_BLOCK,
+    ASTC_10x8_SRGB_BLOCK,
+    ASTC_10x8_UNORM_BLOCK,
+    ASTC_12x10_SRGB_BLOCK,
+    ASTC_12x10_UNORM_BLOCK,
+    ASTC_12x12_SRGB_BLOCK,
+    ASTC_12x12_UNORM_BLOCK,
+    ASTC_3x3x3_UNORM_BLOCK,
+    ASTC_3x3x3_UNORM_SRGB_BLOCK,
+    ASTC_4x3x3_UNORM_BLOCK,
+    ASTC_4x3x3_UNORM_SRGB_BLOCK,
+    ASTC_4x4_SRGB_BLOCK,
+    ASTC_4x4_UNORM_BLOCK,
+    ASTC_4x4x3_UNORM_BLOCK,
+    ASTC_4x4x3_UNORM_SRGB_BLOCK,
+    ASTC_4x4x4_UNORM_BLOCK,
+    ASTC_4x4x4_UNORM_SRGB_BLOCK,
+    ASTC_5x4_SRGB_BLOCK,
+    ASTC_5x4_UNORM_BLOCK,
+    ASTC_5x4x4_UNORM_BLOCK,
+    ASTC_5x4x4_UNORM_SRGB_BLOCK,
+    ASTC_5x5_SRGB_BLOCK,
+    ASTC_5x5_UNORM_BLOCK,
+    ASTC_5x5x4_UNORM_BLOCK,
+    ASTC_5x5x4_UNORM_SRGB_BLOCK,
+    ASTC_5x5x5_UNORM_BLOCK,
+    ASTC_5x5x5_UNORM_SRGB_BLOCK,
+    ASTC_6x5_SRGB_BLOCK,
+    ASTC_6x5_UNORM_BLOCK,
+    ASTC_6x5x5_UNORM_BLOCK,
+    ASTC_6x5x5_UNORM_SRGB_BLOCK,
+    ASTC_6x6_SRGB_BLOCK,
+    ASTC_6x6_UNORM_BLOCK,
+    ASTC_6x6x5_UNORM_BLOCK,
+    ASTC_6x6x5_UNORM_SRGB_BLOCK,
+    ASTC_6x6x6_UNORM_BLOCK,
+    ASTC_6x6x6_UNORM_SRGB_BLOCK,
+    ASTC_8x5_SRGB_BLOCK,
+    ASTC_8x5_UNORM_BLOCK,
+    ASTC_8x6_SRGB_BLOCK,
+    ASTC_8x6_UNORM_BLOCK,
+    ASTC_8x8_SRGB_BLOCK,
+    ASTC_8x8_UNORM_BLOCK,
+    B10G10R10A2_UNORM,
+    B4G4R4A4_UNORM,
+    B5G5R5A1_UNORM,
+    B5G6R5_UNORM,
+    B8G8R8A8_TYPELESS,
+    B8G8R8A8_TYPELESS_SRGB,
+    B8G8R8A8_UNORM,
+    B8G8R8A8_UNORM_SRGB,
+    B8G8R8X8_UNORM,
+    BC1_RGBA_UNORM_BLOCK,
+    BC1_RGBA_UNORM_SRGB_BLOCK,
+    BC1_RGB_UNORM_BLOCK,
+    BC1_RGB_UNORM_SRGB_BLOCK,
+    BC2_RGBA_UNORM_BLOCK,
+    BC2_RGBA_UNORM_SRGB_BLOCK,
+    BC3_RGBA_UNORM_BLOCK,
+    BC3_RGBA_UNORM_SRGB_BLOCK,
+    BC4_RED_SNORM_BLOCK,
+    BC4_RED_UNORM_BLOCK,
+    BC5_RG_SNORM_BLOCK,
+    BC5_RG_UNORM_BLOCK,
+    BC6H_RGB_SFLOAT_BLOCK,
+    BC6H_RGB_UFLOAT_BLOCK,
+    BC7_RGBA_UNORM_BLOCK,
+    BC7_RGBA_UNORM_SRGB_BLOCK,
+    EAC_R11G11_SNORM_BLOCK,
+    EAC_R11G11_UNORM_BLOCK,
+    EAC_R11_SNORM_BLOCK,
+    EAC_R11_UNORM_BLOCK,
+    ETC1_LOSSY_DECODE_R8G8B8_UNORM_BLOCK,
+    ETC1_R8G8B8_UNORM_BLOCK,
+    ETC2_R8G8B8A1_SRGB_BLOCK,
+    ETC2_R8G8B8A1_UNORM_BLOCK,
+    ETC2_R8G8B8A8_SRGB_BLOCK,
+    ETC2_R8G8B8A8_UNORM_BLOCK,
+    ETC2_R8G8B8_SRGB_BLOCK,
+    ETC2_R8G8B8_UNORM_BLOCK,
+    G8_B8R8_2PLANE_420_UNORM,
+    G8_B8_R8_3PLANE_420_UNORM,
+    L16A16_FLOAT,
+    L16_FLOAT,
+    L32A32_FLOAT,
+    L32_FLOAT,
+    L8A8_UNORM,
+    L8_UNORM,
+    PALETTE4_R4G4B4A4_UNORM,
+    PALETTE4_R5G5B5A1_UNORM,
+    PALETTE4_R5G6B5_UNORM,
+    PALETTE4_R8G8B8A8_UNORM,
+    PALETTE4_R8G8B8_UNORM,
+    PALETTE8_R4G4B4A4_UNORM,
+    PALETTE8_R5G5B5A1_UNORM,
+    PALETTE8_R5G6B5_UNORM,
+    PALETTE8_R8G8B8A8_UNORM,
+    PALETTE8_R8G8B8_UNORM,
+    PVRTC1_RGBA_2BPP_UNORM_BLOCK,
+    PVRTC1_RGBA_2BPP_UNORM_SRGB_BLOCK,
+    PVRTC1_RGBA_4BPP_UNORM_BLOCK,
+    PVRTC1_RGBA_4BPP_UNORM_SRGB_BLOCK,
+    PVRTC1_RGB_2BPP_UNORM_BLOCK,
+    PVRTC1_RGB_2BPP_UNORM_SRGB_BLOCK,
+    PVRTC1_RGB_4BPP_UNORM_BLOCK,
+    PVRTC1_RGB_4BPP_UNORM_SRGB_BLOCK,
+    R10G10B10A2_SINT,
+    R10G10B10A2_SNORM,
+    R10G10B10A2_SSCALED,
+    R10G10B10A2_UINT,
+    R10G10B10A2_UNORM,
+    R10G10B10A2_USCALED,
+    R10G10B10X2_UNORM,
+    R11G11B10_FLOAT,
+    R16G16B16A16_FLOAT,
+    R16G16B16A16_SINT,
+    R16G16B16A16_SNORM,
+    R16G16B16A16_SSCALED,
+    R16G16B16A16_UINT,
+    R16G16B16A16_UNORM,
+    R16G16B16A16_USCALED,
+    R16G16B16_FLOAT,
+    R16G16B16_SINT,
+    R16G16B16_SNORM,
+    R16G16B16_SSCALED,
+    R16G16B16_UINT,
+    R16G16B16_UNORM,
+    R16G16B16_USCALED,
+    R16G16_FLOAT,
+    R16G16_SINT,
+    R16G16_SNORM,
+    R16G16_SSCALED,
+    R16G16_UINT,
+    R16G16_UNORM,
+    R16G16_USCALED,
+    R16_FLOAT,
+    R16_SINT,
+    R16_SNORM,
+    R16_SSCALED,
+    R16_UINT,
+    R16_UNORM,
+    R16_USCALED,
+    R32G32B32A32_FIXED,
+    R32G32B32A32_FLOAT,
+    R32G32B32A32_SINT,
+    R32G32B32A32_SNORM,
+    R32G32B32A32_SSCALED,
+    R32G32B32A32_UINT,
+    R32G32B32A32_UNORM,
+    R32G32B32A32_USCALED,
+    R32G32B32_FIXED,
+    R32G32B32_FLOAT,
+    R32G32B32_SINT,
+    R32G32B32_SNORM,
+    R32G32B32_SSCALED,
+    R32G32B32_UINT,
+    R32G32B32_UNORM,
+    R32G32B32_USCALED,
+    R32G32_FIXED,
+    R32G32_FLOAT,
+    R32G32_SINT,
+    R32G32_SNORM,
+    R32G32_SSCALED,
+    R32G32_UINT,
+    R32G32_UNORM,
+    R32G32_USCALED,
+    R32_FIXED,
+    R32_FLOAT,
+    R32_SINT,
+    R32_SNORM,
+    R32_SSCALED,
+    R32_UINT,
+    R32_UNORM,
+    R32_USCALED,
+    R4G4B4A4_UNORM,
+    R5G5B5A1_UNORM,
+    R5G6B5_UNORM,
+    R8G8B8A8_SINT,
+    R8G8B8A8_SNORM,
+    R8G8B8A8_SSCALED,
+    R8G8B8A8_TYPELESS,
+    R8G8B8A8_TYPELESS_SRGB,
+    R8G8B8A8_UINT,
+    R8G8B8A8_UNORM,
+    R8G8B8A8_UNORM_SRGB,
+    R8G8B8A8_USCALED,
+    R8G8B8X8_UNORM,
+    R8G8B8_SINT,
+    R8G8B8_SNORM,
+    R8G8B8_SSCALED,
+    R8G8B8_UINT,
+    R8G8B8_UNORM,
+    R8G8B8_UNORM_SRGB,
+    R8G8B8_USCALED,
+    R8G8_SINT,
+    R8G8_SNORM,
+    R8G8_SSCALED,
+    R8G8_UINT,
+    R8G8_UNORM,
+    R8G8_UNORM_SRGB,
+    R8G8_USCALED,
+    R8_SINT,
+    R8_SNORM,
+    R8_SSCALED,
+    R8_UINT,
+    R8_UNORM,
+    R8_UNORM_SRGB,
+    R8_USCALED,
+    R9G9B9E5_SHAREDEXP,
+    X2R10G10B10_SINT_VERTEX,
+    X2R10G10B10_SNORM_VERTEX,
+    X2R10G10B10_SSCALED_VERTEX,
+    X2R10G10B10_UINT_VERTEX,
+    X2R10G10B10_UNORM_VERTEX,
+    X2R10G10B10_USCALED_VERTEX
+};
+
+constexpr uint32_t kNumANGLEFormats = 238;
+
+}  // namespace angle
+
+#endif  // LIBANGLE_RENDERER_FORMATID_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/Format_table_autogen.cpp b/gfx/angle/checkout/src/libANGLE/renderer/Format_table_autogen.cpp
new file mode 100644
index 0000000000..df700ab74f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/Format_table_autogen.cpp
@@ -0,0 +1,762 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_angle_format_table.py using data from angle_format_data.json
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ANGLE Format table:
+//   Queries for typed format information from the ANGLE format enum.
+
+#include "libANGLE/renderer/Format.h"
+
+#include "image_util/copyimage.h"
+#include "image_util/generatemip.h"
+#include "image_util/loadimage.h"
+
+namespace angle
+{
+
+static constexpr rx::FastCopyFunctionMap::Entry BGRAEntry  = {angle::FormatID::R8G8B8A8_UNORM,
+                                                              CopyBGRA8ToRGBA8};
+static constexpr rx::FastCopyFunctionMap BGRACopyFunctions = {&BGRAEntry, 1};
+static constexpr rx::FastCopyFunctionMap NoCopyFunctions;
+
+const Format gFormatInfoTable[] = {
+    // clang-format off
+    { FormatID::NONE, GL_NONE, GL_NONE, nullptr, NoCopyFunctions, nullptr, nullptr, GL_NONE, 0, 0, 0, 0, 0, 0, 0, 0, 0, false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::D16_UNORM, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT16, nullptr, NoCopyFunctions, ReadDepthStencil<D16>, WriteDepthStencil<D16>, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 16, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::D24_UNORM_S8_UINT, GL_DEPTH24_STENCIL8, GL_DEPTH24_STENCIL8, nullptr, NoCopyFunctions, ReadDepthStencil<D24S8>, WriteDepthStencil<D24S8>, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 24, 8, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::D24_UNORM_X8_UINT, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT24, nullptr, NoCopyFunctions, ReadDepthStencil<D24X8>, WriteDepthStencil<D24X8>, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 24, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::D32_FLOAT, GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT32F, nullptr, NoCopyFunctions, ReadDepthStencil<D32F>, WriteDepthStencil<D32F>, GL_FLOAT, 0, 0, 0, 0, 0, 32, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::D32_FLOAT_S8X24_UINT, GL_DEPTH32F_STENCIL8, GL_DEPTH32F_STENCIL8, nullptr, NoCopyFunctions, ReadDepthStencil<D32FS8X24>, WriteDepthStencil<D32FS8X24>, GL_FLOAT, 0, 0, 0, 0, 0, 32, 8, 8, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::D32_UNORM, GL_DEPTH_COMPONENT32_OES, GL_DEPTH_COMPONENT32_OES, nullptr, NoCopyFunctions, ReadDepthStencil<D32>, WriteDepthStencil<D32>, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 32, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::S8_UINT, GL_STENCIL_INDEX8, GL_STENCIL_INDEX8, nullptr, NoCopyFunctions, ReadDepthStencil<S8>, WriteDepthStencil<S8>, GL_UNSIGNED_INT, 0, 0, 0, 0, 0, 0, 8, 1, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::A16_FLOAT, GL_ALPHA16F_EXT, GL_ALPHA16F_EXT, GenerateMip<A16F>, NoCopyFunctions, ReadColor<A16F, GLfloat>, WriteColor<A16F, GLfloat>, GL_FLOAT, 0, 0, 0, 16, 0, 0, 0, 2, 1, false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::A1R5G5B5_UNORM, GL_A1RGB5_ANGLEX, GL_A1RGB5_ANGLEX, GenerateMip<A1R5G5B5>, NoCopyFunctions, ReadColor<A1R5G5B5, GLfloat>, WriteColor<A1R5G5B5, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 5, 5, 1, 0, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::A2R10G10B10_SINT_VERTEX, GL_INT_10_10_10_2_OES, GL_INT_10_10_10_2_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Int1010102 },
+    { FormatID::A2R10G10B10_SNORM_VERTEX, GL_A2_RGB10_SNORM_ANGLEX, GL_A2_RGB10_SNORM_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_SIGNED_NORMALIZED, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Int1010102 },
+    { FormatID::A2R10G10B10_SSCALED_VERTEX, GL_A2_RGB10_SSCALED_ANGLEX, GL_A2_RGB10_SSCALED_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, true, false, false, gl::VertexAttribType::Int1010102 },
+    { FormatID::A2R10G10B10_UINT_VERTEX, GL_UNSIGNED_INT_10_10_10_2_OES, GL_UNSIGNED_INT_10_10_10_2_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt1010102 },
+    { FormatID::A2R10G10B10_UNORM_VERTEX, GL_A2_RGB10_UNORM_ANGLEX, GL_A2_RGB10_UNORM_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt1010102 },
+    { FormatID::A2R10G10B10_USCALED_VERTEX, GL_A2_RGB10_USCALED_ANGLEX, GL_A2_RGB10_USCALED_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, true, false, false, gl::VertexAttribType::UnsignedInt1010102 },
+    { FormatID::A32_FLOAT, GL_ALPHA32F_EXT, GL_ALPHA32F_EXT, GenerateMip<A32F>, NoCopyFunctions, ReadColor<A32F, GLfloat>, WriteColor<A32F, GLfloat>, GL_FLOAT, 0, 0, 0, 32, 0, 0, 0, 4, 3, false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::A8_UNORM, GL_ALPHA8_EXT, GL_ALPHA8_EXT, GenerateMip<A8>, NoCopyFunctions, ReadColor<A8, GLfloat>, WriteColor<A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 8, 0, 0, 0, 1, 0, false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x10_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x10_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x5_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x5_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x6_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x6_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x8_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_10x8_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_COMPRESSED_RGBA_ASTC_10x8_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_12x10_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_12x10_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_COMPRESSED_RGBA_ASTC_12x10_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_12x12_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_12x12_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_3x3x3_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_3x3x3_OES, GL_COMPRESSED_RGBA_ASTC_3x3x3_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_3x3x3_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x3x3_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_4x3x3_OES, GL_COMPRESSED_RGBA_ASTC_4x3x3_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x3x3_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x4_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x4_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x4x3_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_4x4x3_OES, GL_COMPRESSED_RGBA_ASTC_4x4x3_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x4x3_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x4x4_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_4x4x4_OES, GL_COMPRESSED_RGBA_ASTC_4x4x4_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_4x4x4_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x4_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x4_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x4x4_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_5x4x4_OES, GL_COMPRESSED_RGBA_ASTC_5x4x4_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x4x4_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x5_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x5_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x5x4_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_5x5x4_OES, GL_COMPRESSED_RGBA_ASTC_5x5x4_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x5x4_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x5x5_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_5x5x5_OES, GL_COMPRESSED_RGBA_ASTC_5x5x5_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_5x5x5_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x5_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x5_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x5x5_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_6x5x5_OES, GL_COMPRESSED_RGBA_ASTC_6x5x5_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x5x5_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x6_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x6_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x6x5_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_6x6x5_OES, GL_COMPRESSED_RGBA_ASTC_6x6x5_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x6x5_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x6x6_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_6x6x6_OES, GL_COMPRESSED_RGBA_ASTC_6x6x6_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_6x6x6_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_8x5_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_8x5_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_8x6_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_8x6_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_8x8_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ASTC_8x8_UNORM_BLOCK, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::B10G10R10A2_UNORM, GL_BGR10_A2_ANGLEX, GL_BGR10_A2_ANGLEX, GenerateMip<B10G10R10A2>, NoCopyFunctions, ReadColor<B10G10R10A2, GLfloat>, WriteColor<B10G10R10A2, GLfloat>, GL_UNSIGNED_NORMALIZED, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt2101010 },
+    { FormatID::B4G4R4A4_UNORM, GL_BGRA4_ANGLEX, GL_RGBA4, GenerateMip<A4R4G4B4>, NoCopyFunctions, ReadColor<A4R4G4B4, GLfloat>, WriteColor<A4R4G4B4, GLfloat>, GL_UNSIGNED_NORMALIZED, 4, 4, 4, 4, 0, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::B5G5R5A1_UNORM, GL_BGR5_A1_ANGLEX, GL_RGB5_A1, GenerateMip<A1R5G5B5>, NoCopyFunctions, ReadColor<A1R5G5B5, GLfloat>, WriteColor<A1R5G5B5, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 5, 5, 1, 0, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::B5G6R5_UNORM, GL_BGR565_ANGLEX, GL_RGB565, GenerateMip<B5G6R5>, NoCopyFunctions, ReadColor<B5G6R5, GLfloat>, WriteColor<B5G6R5, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 6, 5, 0, 0, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::B8G8R8A8_TYPELESS, GL_BGRA8_EXT, GL_BGRA8_EXT, GenerateMip<B8G8R8A8>, NoCopyFunctions, ReadColor<B8G8R8A8, GLfloat>, WriteColor<B8G8R8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::B8G8R8A8_TYPELESS_SRGB, GL_BGRA8_SRGB_ANGLEX, GL_BGRA8_SRGB_ANGLEX, GenerateMip<B8G8R8A8>, NoCopyFunctions, ReadColor<B8G8R8A8, GLfloat>, WriteColor<B8G8R8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::B8G8R8A8_UNORM, GL_BGRA8_EXT, GL_BGRA8_EXT, GenerateMip<B8G8R8A8>, BGRACopyFunctions, ReadColor<B8G8R8A8, GLfloat>, WriteColor<B8G8R8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::B8G8R8A8_UNORM_SRGB, GL_BGRA8_SRGB_ANGLEX, GL_BGRA8_SRGB_ANGLEX, GenerateMip<B8G8R8A8>, NoCopyFunctions, ReadColor<B8G8R8A8, GLfloat>, WriteColor<B8G8R8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::B8G8R8X8_UNORM, GL_BGRA8_EXT, GL_BGRA8_EXT, GenerateMip<B8G8R8X8>, NoCopyFunctions, ReadColor<B8G8R8X8, GLfloat>, WriteColor<B8G8R8X8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::BC1_RGBA_UNORM_BLOCK, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC1_RGBA_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC1_RGB_UNORM_BLOCK, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC1_RGB_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC2_RGBA_UNORM_BLOCK, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC2_RGBA_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC3_RGBA_UNORM_BLOCK, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC3_RGBA_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC4_RED_SNORM_BLOCK, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_SIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC4_RED_UNORM_BLOCK, GL_COMPRESSED_RED_RGTC1_EXT, GL_COMPRESSED_RED_RGTC1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC5_RG_SNORM_BLOCK, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_SIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC5_RG_UNORM_BLOCK, GL_COMPRESSED_RED_GREEN_RGTC2_EXT, GL_COMPRESSED_RED_GREEN_RGTC2_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC6H_RGB_SFLOAT_BLOCK, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_FLOAT, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC6H_RGB_UFLOAT_BLOCK, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_FLOAT, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC7_RGBA_UNORM_BLOCK, GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::BC7_RGBA_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 16, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::EAC_R11G11_SNORM_BLOCK, GL_COMPRESSED_SIGNED_RG11_EAC, GL_COMPRESSED_SIGNED_RG11_EAC, nullptr, NoCopyFunctions, nullptr, nullptr, GL_SIGNED_NORMALIZED, 11, 11, 0, 0, 0, 0, 0, 16, 0, true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::EAC_R11G11_UNORM_BLOCK, GL_COMPRESSED_RG11_EAC, GL_COMPRESSED_RG11_EAC, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 11, 11, 0, 0, 0, 0, 0, 16, 0, true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::EAC_R11_SNORM_BLOCK, GL_COMPRESSED_SIGNED_R11_EAC, GL_COMPRESSED_SIGNED_R11_EAC, nullptr, NoCopyFunctions, nullptr, nullptr, GL_SIGNED_NORMALIZED, 11, 0, 0, 0, 0, 0, 0, 8, 0, true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::EAC_R11_UNORM_BLOCK, GL_COMPRESSED_R11_EAC, GL_COMPRESSED_R11_EAC, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 11, 0, 0, 0, 0, 0, 0, 8, 0, true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::ETC1_LOSSY_DECODE_R8G8B8_UNORM_BLOCK, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 8, 0, true, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::ETC1_R8G8B8_UNORM_BLOCK, GL_ETC1_RGB8_OES, GL_ETC1_RGB8_OES, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 8, 0, true, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::ETC2_R8G8B8A1_SRGB_BLOCK, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 1, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::ETC2_R8G8B8A1_UNORM_BLOCK, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 1, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::ETC2_R8G8B8A8_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 16, 0, true, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::ETC2_R8G8B8A8_UNORM_BLOCK, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_COMPRESSED_RGBA8_ETC2_EAC, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 16, 0, true, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::ETC2_R8G8B8_SRGB_BLOCK, GL_COMPRESSED_SRGB8_ETC2, GL_COMPRESSED_SRGB8_ETC2, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 8, 0, true, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::ETC2_R8G8B8_UNORM_BLOCK, GL_COMPRESSED_RGB8_ETC2, GL_COMPRESSED_RGB8_ETC2, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 8, 0, true, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::G8_B8R8_2PLANE_420_UNORM, GL_G8_B8R8_2PLANE_420_UNORM_ANGLE, GL_G8_B8R8_2PLANE_420_UNORM_ANGLE, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLfloat>, WriteColor<R8G8B8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, false, false, true, gl::VertexAttribType::UnsignedByte },
+    { FormatID::G8_B8_R8_3PLANE_420_UNORM, GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE, GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLfloat>, WriteColor<R8G8B8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, false, false, true, gl::VertexAttribType::UnsignedByte },
+    { FormatID::L16A16_FLOAT, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE_ALPHA16F_EXT, GenerateMip<L16A16F>, NoCopyFunctions, ReadColor<L16A16F, GLfloat>, WriteColor<L16A16F, GLfloat>, GL_FLOAT, 0, 0, 0, 16, 16, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::L16_FLOAT, GL_LUMINANCE16F_EXT, GL_LUMINANCE16F_EXT, GenerateMip<L16F>, NoCopyFunctions, ReadColor<L16F, GLfloat>, WriteColor<L16F, GLfloat>, GL_FLOAT, 0, 0, 0, 0, 16, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::L32A32_FLOAT, GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE_ALPHA32F_EXT, GenerateMip<L32A32F>, NoCopyFunctions, ReadColor<L32A32F, GLfloat>, WriteColor<L32A32F, GLfloat>, GL_FLOAT, 0, 0, 0, 32, 32, 0, 0, 8, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::L32_FLOAT, GL_LUMINANCE32F_EXT, GL_LUMINANCE32F_EXT, GenerateMip<L32F>, NoCopyFunctions, ReadColor<L32F, GLfloat>, WriteColor<L32F, GLfloat>, GL_FLOAT, 0, 0, 0, 0, 32, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::L8A8_UNORM, GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE8_ALPHA8_EXT, GenerateMip<L8A8>, NoCopyFunctions, ReadColor<L8A8, GLfloat>, WriteColor<L8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 8, 8, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::L8_UNORM, GL_LUMINANCE8_EXT, GL_LUMINANCE8_EXT, GenerateMip<L8>, NoCopyFunctions, ReadColor<L8, GLfloat>, WriteColor<L8, GLfloat>, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 8, 0, 0, 1, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PALETTE4_R4G4B4A4_UNORM, GL_PALETTE4_RGBA4_OES, GL_PALETTE4_RGBA4_OES, GenerateMip<R4G4B4A4>, NoCopyFunctions, ReadColor<R4G4B4A4, GLfloat>, WriteColor<R4G4B4A4, GLfloat>, GL_UNSIGNED_NORMALIZED, 4, 4, 4, 4, 0, 0, 0, 3, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PALETTE4_R5G5B5A1_UNORM, GL_PALETTE4_RGB5_A1_OES, GL_PALETTE4_RGB5_A1_OES, GenerateMip<R5G5B5A1>, NoCopyFunctions, ReadColor<R5G5B5A1, GLfloat>, WriteColor<R5G5B5A1, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 5, 5, 1, 0, 0, 0, 3, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PALETTE4_R5G6B5_UNORM, GL_PALETTE4_R5_G6_B5_OES, GL_PALETTE4_R5_G6_B5_OES, GenerateMip<R5G6B5>, NoCopyFunctions, ReadColor<R5G6B5, GLfloat>, WriteColor<R5G6B5, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 6, 5, 0, 0, 0, 0, 3, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PALETTE4_R8G8B8A8_UNORM, GL_PALETTE4_RGBA8_OES, GL_PALETTE4_RGBA8_OES, GenerateMip<R8G8B8A8>, NoCopyFunctions, ReadColor<R8G8B8A8, GLfloat>, WriteColor<R8G8B8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 5, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::PALETTE4_R8G8B8_UNORM, GL_PALETTE4_RGB8_OES, GL_PALETTE4_RGB8_OES, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLfloat>, WriteColor<R8G8B8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::PALETTE8_R4G4B4A4_UNORM, GL_PALETTE8_RGBA4_OES, GL_PALETTE8_RGBA4_OES, GenerateMip<R4G4B4A4>, NoCopyFunctions, ReadColor<R4G4B4A4, GLfloat>, WriteColor<R4G4B4A4, GLfloat>, GL_UNSIGNED_NORMALIZED, 4, 4, 4, 4, 0, 0, 0, 3, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PALETTE8_R5G5B5A1_UNORM, GL_PALETTE8_RGB5_A1_OES, GL_PALETTE8_RGB5_A1_OES, GenerateMip<R5G5B5A1>, NoCopyFunctions, ReadColor<R5G5B5A1, GLfloat>, WriteColor<R5G5B5A1, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 5, 5, 1, 0, 0, 0, 3, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PALETTE8_R5G6B5_UNORM, GL_PALETTE8_R5_G6_B5_OES, GL_PALETTE8_R5_G6_B5_OES, GenerateMip<R5G6B5>, NoCopyFunctions, ReadColor<R5G6B5, GLfloat>, WriteColor<R5G6B5, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 6, 5, 0, 0, 0, 0, 3, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PALETTE8_R8G8B8A8_UNORM, GL_PALETTE8_RGBA8_OES, GL_PALETTE8_RGBA8_OES, GenerateMip<R8G8B8A8>, NoCopyFunctions, ReadColor<R8G8B8A8, GLfloat>, WriteColor<R8G8B8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 5, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::PALETTE8_R8G8B8_UNORM, GL_PALETTE8_RGB8_OES, GL_PALETTE8_RGB8_OES, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLfloat>, WriteColor<R8G8B8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::PVRTC1_RGBA_2BPP_UNORM_BLOCK, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PVRTC1_RGBA_2BPP_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PVRTC1_RGBA_4BPP_UNORM_BLOCK, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PVRTC1_RGBA_4BPP_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PVRTC1_RGB_2BPP_UNORM_BLOCK, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PVRTC1_RGB_2BPP_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PVRTC1_RGB_4BPP_UNORM_BLOCK, GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::PVRTC1_RGB_4BPP_UNORM_SRGB_BLOCK, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 0, 0, 0, 0, 0, 0, 0, 8, std::numeric_limits<GLuint>::max(), true, false, false, true, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::R10G10B10A2_SINT, GL_RGB10_A2_SINT_ANGLEX, GL_RGB10_A2_SINT_ANGLEX, GenerateMip<R10G10B10A2S>, NoCopyFunctions, ReadColor<R10G10B10A2S, GLint>, WriteColor<R10G10B10A2S, GLint>, GL_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Int2101010 },
+    { FormatID::R10G10B10A2_SNORM, GL_RGB10_A2_SNORM_ANGLEX, GL_RGB10_A2_SNORM_ANGLEX, GenerateMip<R10G10B10A2S>, NoCopyFunctions, ReadColor<R10G10B10A2S, GLfloat>, WriteColor<R10G10B10A2S, GLfloat>, GL_SIGNED_NORMALIZED, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Int2101010 },
+    { FormatID::R10G10B10A2_SSCALED, GL_RGB10_A2_SSCALED_ANGLEX, GL_RGB10_A2_SSCALED_ANGLEX, GenerateMip<R10G10B10A2S>, NoCopyFunctions, ReadColor<R10G10B10A2S, GLint>, WriteColor<R10G10B10A2S, GLint>, GL_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, true, false, false, gl::VertexAttribType::Int2101010 },
+    { FormatID::R10G10B10A2_UINT, GL_RGB10_A2UI, GL_RGB10_A2UI, GenerateMip<R10G10B10A2>, NoCopyFunctions, ReadColor<R10G10B10A2, GLuint>, WriteColor<R10G10B10A2, GLuint>, GL_UNSIGNED_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt2101010 },
+    { FormatID::R10G10B10A2_UNORM, GL_RGB10_A2, GL_RGB10_A2, GenerateMip<R10G10B10A2>, NoCopyFunctions, ReadColor<R10G10B10A2, GLfloat>, WriteColor<R10G10B10A2, GLfloat>, GL_UNSIGNED_NORMALIZED, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt2101010 },
+    { FormatID::R10G10B10A2_USCALED, GL_RGB10_A2_USCALED_ANGLEX, GL_RGB10_A2_USCALED_ANGLEX, GenerateMip<R10G10B10A2>, NoCopyFunctions, ReadColor<R10G10B10A2, GLuint>, WriteColor<R10G10B10A2, GLuint>, GL_UNSIGNED_INT, 10, 10, 10, 2, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, true, false, false, gl::VertexAttribType::UnsignedInt2101010 },
+    { FormatID::R10G10B10X2_UNORM, GL_RGB10_UNORM_ANGLEX, GL_RGB10_UNORM_ANGLEX, GenerateMip<R10G10B10X2>, NoCopyFunctions, ReadColor<R10G10B10X2, GLfloat>, WriteColor<R10G10B10X2, GLfloat>, GL_UNSIGNED_NORMALIZED, 10, 10, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt2101010 },
+    { FormatID::R11G11B10_FLOAT, GL_R11F_G11F_B10F, GL_R11F_G11F_B10F, GenerateMip<R11G11B10F>, NoCopyFunctions, ReadColor<R11G11B10F, GLfloat>, WriteColor<R11G11B10F, GLfloat>, GL_FLOAT, 11, 11, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::R16G16B16A16_FLOAT, GL_RGBA16F, GL_RGBA16F, GenerateMip<R16G16B16A16F>, NoCopyFunctions, ReadColor<R16G16B16A16F, GLfloat>, WriteColor<R16G16B16A16F, GLfloat>, GL_FLOAT, 16, 16, 16, 16, 0, 0, 0, 8, 1, false, false, false, false, false, gl::VertexAttribType::HalfFloat },
+    { FormatID::R16G16B16A16_SINT, GL_RGBA16I, GL_RGBA16I, GenerateMip<R16G16B16A16S>, NoCopyFunctions, ReadColor<R16G16B16A16S, GLint>, WriteColor<R16G16B16A16S, GLint>, GL_INT, 16, 16, 16, 16, 0, 0, 0, 8, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16B16A16_SNORM, GL_RGBA16_SNORM_EXT, GL_RGBA16_SNORM_EXT, GenerateMip<R16G16B16A16S>, NoCopyFunctions, ReadColor<R16G16B16A16S, GLfloat>, WriteColor<R16G16B16A16S, GLfloat>, GL_SIGNED_NORMALIZED, 16, 16, 16, 16, 0, 0, 0, 8, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16B16A16_SSCALED, GL_RGBA16_SSCALED_ANGLEX, GL_RGBA16_SSCALED_ANGLEX, GenerateMip<R16G16B16A16S>, NoCopyFunctions, ReadColor<R16G16B16A16S, GLint>, WriteColor<R16G16B16A16S, GLint>, GL_INT, 16, 16, 16, 16, 0, 0, 0, 8, 1, false, false, true, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16B16A16_UINT, GL_RGBA16UI, GL_RGBA16UI, GenerateMip<R16G16B16A16>, NoCopyFunctions, ReadColor<R16G16B16A16, GLuint>, WriteColor<R16G16B16A16, GLuint>, GL_UNSIGNED_INT, 16, 16, 16, 16, 0, 0, 0, 8, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16B16A16_UNORM, GL_RGBA16_EXT, GL_RGBA16_EXT, GenerateMip<R16G16B16A16>, NoCopyFunctions, ReadColor<R16G16B16A16, GLfloat>, WriteColor<R16G16B16A16, GLfloat>, GL_UNSIGNED_NORMALIZED, 16, 16, 16, 16, 0, 0, 0, 8, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16B16A16_USCALED, GL_RGBA16_USCALED_ANGLEX, GL_RGBA16_USCALED_ANGLEX, GenerateMip<R16G16B16A16>, NoCopyFunctions, ReadColor<R16G16B16A16, GLuint>, WriteColor<R16G16B16A16, GLuint>, GL_UNSIGNED_INT, 16, 16, 16, 16, 0, 0, 0, 8, 1, false, false, true, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16B16_FLOAT, GL_RGB16F, GL_RGB16F, GenerateMip<R16G16B16F>, NoCopyFunctions, ReadColor<R16G16B16F, GLfloat>, WriteColor<R16G16B16F, GLfloat>, GL_FLOAT, 16, 16, 16, 0, 0, 0, 0, 6, 1, false, false, false, false, false, gl::VertexAttribType::HalfFloat },
+    { FormatID::R16G16B16_SINT, GL_RGB16I, GL_RGB16I, GenerateMip<R16G16B16S>, NoCopyFunctions, ReadColor<R16G16B16S, GLint>, WriteColor<R16G16B16S, GLint>, GL_INT, 16, 16, 16, 0, 0, 0, 0, 6, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16B16_SNORM, GL_RGB16_SNORM_EXT, GL_RGB16_SNORM_EXT, GenerateMip<R16G16B16S>, NoCopyFunctions, ReadColor<R16G16B16S, GLfloat>, WriteColor<R16G16B16S, GLfloat>, GL_SIGNED_NORMALIZED, 16, 16, 16, 0, 0, 0, 0, 6, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16B16_SSCALED, GL_RGB16_SSCALED_ANGLEX, GL_RGB16_SSCALED_ANGLEX, GenerateMip<R16G16B16S>, NoCopyFunctions, ReadColor<R16G16B16S, GLint>, WriteColor<R16G16B16S, GLint>, GL_INT, 16, 16, 16, 0, 0, 0, 0, 6, 1, false, false, true, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16B16_UINT, GL_RGB16UI, GL_RGB16UI, GenerateMip<R16G16B16>, NoCopyFunctions, ReadColor<R16G16B16, GLuint>, WriteColor<R16G16B16, GLuint>, GL_UNSIGNED_INT, 16, 16, 16, 0, 0, 0, 0, 6, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16B16_UNORM, GL_RGB16_EXT, GL_RGB16_EXT, GenerateMip<R16G16B16>, NoCopyFunctions, ReadColor<R16G16B16, GLfloat>, WriteColor<R16G16B16, GLfloat>, GL_UNSIGNED_NORMALIZED, 16, 16, 16, 0, 0, 0, 0, 6, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16B16_USCALED, GL_RGB16_USCALED_ANGLEX, GL_RGB16_USCALED_ANGLEX, GenerateMip<R16G16B16>, NoCopyFunctions, ReadColor<R16G16B16, GLuint>, WriteColor<R16G16B16, GLuint>, GL_UNSIGNED_INT, 16, 16, 16, 0, 0, 0, 0, 6, 1, false, false, true, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16_FLOAT, GL_RG16F, GL_RG16F, GenerateMip<R16G16F>, NoCopyFunctions, ReadColor<R16G16F, GLfloat>, WriteColor<R16G16F, GLfloat>, GL_FLOAT, 16, 16, 0, 0, 0, 0, 0, 4, 1, false, false, false, false, false, gl::VertexAttribType::HalfFloat },
+    { FormatID::R16G16_SINT, GL_RG16I, GL_RG16I, GenerateMip<R16G16S>, NoCopyFunctions, ReadColor<R16G16S, GLint>, WriteColor<R16G16S, GLint>, GL_INT, 16, 16, 0, 0, 0, 0, 0, 4, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16_SNORM, GL_RG16_SNORM_EXT, GL_RG16_SNORM_EXT, GenerateMip<R16G16S>, NoCopyFunctions, ReadColor<R16G16S, GLfloat>, WriteColor<R16G16S, GLfloat>, GL_SIGNED_NORMALIZED, 16, 16, 0, 0, 0, 0, 0, 4, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16_SSCALED, GL_RG16_SSCALED_ANGLEX, GL_RG16_SSCALED_ANGLEX, GenerateMip<R16G16S>, NoCopyFunctions, ReadColor<R16G16S, GLint>, WriteColor<R16G16S, GLint>, GL_INT, 16, 16, 0, 0, 0, 0, 0, 4, 1, false, false, true, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16G16_UINT, GL_RG16UI, GL_RG16UI, GenerateMip<R16G16>, NoCopyFunctions, ReadColor<R16G16, GLuint>, WriteColor<R16G16, GLuint>, GL_UNSIGNED_INT, 16, 16, 0, 0, 0, 0, 0, 4, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16_UNORM, GL_RG16_EXT, GL_RG16_EXT, GenerateMip<R16G16>, NoCopyFunctions, ReadColor<R16G16, GLfloat>, WriteColor<R16G16, GLfloat>, GL_UNSIGNED_NORMALIZED, 16, 16, 0, 0, 0, 0, 0, 4, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16G16_USCALED, GL_RG16_USCALED_ANGLEX, GL_RG16_USCALED_ANGLEX, GenerateMip<R16G16>, NoCopyFunctions, ReadColor<R16G16, GLuint>, WriteColor<R16G16, GLuint>, GL_UNSIGNED_INT, 16, 16, 0, 0, 0, 0, 0, 4, 1, false, false, true, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16_FLOAT, GL_R16F, GL_R16F, GenerateMip<R16F>, NoCopyFunctions, ReadColor<R16F, GLfloat>, WriteColor<R16F, GLfloat>, GL_FLOAT, 16, 0, 0, 0, 0, 0, 0, 2, 1, false, false, false, false, false, gl::VertexAttribType::HalfFloat },
+    { FormatID::R16_SINT, GL_R16I, GL_R16I, GenerateMip<R16S>, NoCopyFunctions, ReadColor<R16S, GLint>, WriteColor<R16S, GLint>, GL_INT, 16, 0, 0, 0, 0, 0, 0, 2, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16_SNORM, GL_R16_SNORM_EXT, GL_R16_SNORM_EXT, GenerateMip<R16S>, NoCopyFunctions, ReadColor<R16S, GLfloat>, WriteColor<R16S, GLfloat>, GL_SIGNED_NORMALIZED, 16, 0, 0, 0, 0, 0, 0, 2, 1, false, false, false, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16_SSCALED, GL_R16_SSCALED_ANGLEX, GL_R16_SSCALED_ANGLEX, GenerateMip<R16S>, NoCopyFunctions, ReadColor<R16S, GLint>, WriteColor<R16S, GLint>, GL_INT, 16, 0, 0, 0, 0, 0, 0, 2, 1, false, false, true, false, false, gl::VertexAttribType::Short },
+    { FormatID::R16_UINT, GL_R16UI, GL_R16UI, GenerateMip<R16>, NoCopyFunctions, ReadColor<R16, GLuint>, WriteColor<R16, GLuint>, GL_UNSIGNED_INT, 16, 0, 0, 0, 0, 0, 0, 2, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16_UNORM, GL_R16_EXT, GL_R16_EXT, GenerateMip<R16>, NoCopyFunctions, ReadColor<R16, GLfloat>, WriteColor<R16, GLfloat>, GL_UNSIGNED_NORMALIZED, 16, 0, 0, 0, 0, 0, 0, 2, 1, false, false, false, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R16_USCALED, GL_R16_USCALED_ANGLEX, GL_R16_USCALED_ANGLEX, GenerateMip<R16>, NoCopyFunctions, ReadColor<R16, GLuint>, WriteColor<R16, GLuint>, GL_UNSIGNED_INT, 16, 0, 0, 0, 0, 0, 0, 2, 1, false, false, true, false, false, gl::VertexAttribType::UnsignedShort },
+    { FormatID::R32G32B32A32_FIXED, GL_RGBA32_FIXED_ANGLEX, GL_RGBA32_FIXED_ANGLEX, GenerateMip<R32G32B32A32F>, NoCopyFunctions, ReadColor<R32G32B32A32F, GLfloat>, WriteColor<R32G32B32A32F, GLfloat>, GL_FLOAT, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, true, false, false, false, gl::VertexAttribType::Fixed },
+    { FormatID::R32G32B32A32_FLOAT, GL_RGBA32F, GL_RGBA32F, GenerateMip<R32G32B32A32F>, NoCopyFunctions, ReadColor<R32G32B32A32F, GLfloat>, WriteColor<R32G32B32A32F, GLfloat>, GL_FLOAT, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::R32G32B32A32_SINT, GL_RGBA32I, GL_RGBA32I, GenerateMip<R32G32B32A32S>, NoCopyFunctions, ReadColor<R32G32B32A32S, GLint>, WriteColor<R32G32B32A32S, GLint>, GL_INT, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32B32A32_SNORM, GL_RGBA32_SNORM_ANGLEX, GL_RGBA32_SNORM_ANGLEX, GenerateMip<R32G32B32A32S>, NoCopyFunctions, ReadColor<R32G32B32A32S, GLfloat>, WriteColor<R32G32B32A32S, GLfloat>, GL_SIGNED_NORMALIZED, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32B32A32_SSCALED, GL_RGBA32_SSCALED_ANGLEX, GL_RGBA32_SSCALED_ANGLEX, GenerateMip<R32G32B32A32S>, NoCopyFunctions, ReadColor<R32G32B32A32S, GLint>, WriteColor<R32G32B32A32S, GLint>, GL_INT, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, false, true, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32B32A32_UINT, GL_RGBA32UI, GL_RGBA32UI, GenerateMip<R32G32B32A32>, NoCopyFunctions, ReadColor<R32G32B32A32, GLuint>, WriteColor<R32G32B32A32, GLuint>, GL_UNSIGNED_INT, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32B32A32_UNORM, GL_RGBA32_UNORM_ANGLEX, GL_RGBA32_UNORM_ANGLEX, GenerateMip<R32G32B32A32>, NoCopyFunctions, ReadColor<R32G32B32A32, GLfloat>, WriteColor<R32G32B32A32, GLfloat>, GL_UNSIGNED_NORMALIZED, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32B32A32_USCALED, GL_RGBA32_USCALED_ANGLEX, GL_RGBA32_USCALED_ANGLEX, GenerateMip<R32G32B32A32>, NoCopyFunctions, ReadColor<R32G32B32A32, GLuint>, WriteColor<R32G32B32A32, GLuint>, GL_UNSIGNED_INT, 32, 32, 32, 32, 0, 0, 0, 16, 3, false, false, true, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32B32_FIXED, GL_RGB32_FIXED_ANGLEX, GL_RGB32_FIXED_ANGLEX, GenerateMip<R32G32B32F>, NoCopyFunctions, ReadColor<R32G32B32F, GLfloat>, WriteColor<R32G32B32F, GLfloat>, GL_FLOAT, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, true, false, false, false, gl::VertexAttribType::Fixed },
+    { FormatID::R32G32B32_FLOAT, GL_RGB32F, GL_RGB32F, GenerateMip<R32G32B32F>, NoCopyFunctions, ReadColor<R32G32B32F, GLfloat>, WriteColor<R32G32B32F, GLfloat>, GL_FLOAT, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::R32G32B32_SINT, GL_RGB32I, GL_RGB32I, GenerateMip<R32G32B32S>, NoCopyFunctions, ReadColor<R32G32B32S, GLint>, WriteColor<R32G32B32S, GLint>, GL_INT, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32B32_SNORM, GL_RGB32_SNORM_ANGLEX, GL_RGB32_SNORM_ANGLEX, GenerateMip<R32G32B32S>, NoCopyFunctions, ReadColor<R32G32B32S, GLfloat>, WriteColor<R32G32B32S, GLfloat>, GL_SIGNED_NORMALIZED, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32B32_SSCALED, GL_RGB32_SSCALED_ANGLEX, GL_RGB32_SSCALED_ANGLEX, GenerateMip<R32G32B32S>, NoCopyFunctions, ReadColor<R32G32B32S, GLint>, WriteColor<R32G32B32S, GLint>, GL_INT, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, false, true, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32B32_UINT, GL_RGB32UI, GL_RGB32UI, GenerateMip<R32G32B32>, NoCopyFunctions, ReadColor<R32G32B32, GLuint>, WriteColor<R32G32B32, GLuint>, GL_UNSIGNED_INT, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32B32_UNORM, GL_RGB32_UNORM_ANGLEX, GL_RGB32_UNORM_ANGLEX, GenerateMip<R32G32B32>, NoCopyFunctions, ReadColor<R32G32B32, GLfloat>, WriteColor<R32G32B32, GLfloat>, GL_UNSIGNED_NORMALIZED, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32B32_USCALED, GL_RGB32_USCALED_ANGLEX, GL_RGB32_USCALED_ANGLEX, GenerateMip<R32G32B32>, NoCopyFunctions, ReadColor<R32G32B32, GLuint>, WriteColor<R32G32B32, GLuint>, GL_UNSIGNED_INT, 32, 32, 32, 0, 0, 0, 0, 12, 3, false, false, true, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32_FIXED, GL_RG32_FIXED_ANGLEX, GL_RG32_FIXED_ANGLEX, GenerateMip<R32G32F>, NoCopyFunctions, ReadColor<R32G32F, GLfloat>, WriteColor<R32G32F, GLfloat>, GL_FLOAT, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, true, false, false, false, gl::VertexAttribType::Fixed },
+    { FormatID::R32G32_FLOAT, GL_RG32F, GL_RG32F, GenerateMip<R32G32F>, NoCopyFunctions, ReadColor<R32G32F, GLfloat>, WriteColor<R32G32F, GLfloat>, GL_FLOAT, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::R32G32_SINT, GL_RG32I, GL_RG32I, GenerateMip<R32G32S>, NoCopyFunctions, ReadColor<R32G32S, GLint>, WriteColor<R32G32S, GLint>, GL_INT, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32_SNORM, GL_RG32_SNORM_ANGLEX, GL_RG32_SNORM_ANGLEX, GenerateMip<R32G32S>, NoCopyFunctions, ReadColor<R32G32S, GLfloat>, WriteColor<R32G32S, GLfloat>, GL_SIGNED_NORMALIZED, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32_SSCALED, GL_RG32_SSCALED_ANGLEX, GL_RG32_SSCALED_ANGLEX, GenerateMip<R32G32S>, NoCopyFunctions, ReadColor<R32G32S, GLint>, WriteColor<R32G32S, GLint>, GL_INT, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, false, true, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32G32_UINT, GL_RG32UI, GL_RG32UI, GenerateMip<R32G32>, NoCopyFunctions, ReadColor<R32G32, GLuint>, WriteColor<R32G32, GLuint>, GL_UNSIGNED_INT, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32_UNORM, GL_RG32_UNORM_ANGLEX, GL_RG32_UNORM_ANGLEX, GenerateMip<R32G32>, NoCopyFunctions, ReadColor<R32G32, GLfloat>, WriteColor<R32G32, GLfloat>, GL_UNSIGNED_NORMALIZED, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32G32_USCALED, GL_RG32_USCALED_ANGLEX, GL_RG32_USCALED_ANGLEX, GenerateMip<R32G32>, NoCopyFunctions, ReadColor<R32G32, GLuint>, WriteColor<R32G32, GLuint>, GL_UNSIGNED_INT, 32, 32, 0, 0, 0, 0, 0, 8, 3, false, false, true, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32_FIXED, GL_R32_FIXED_ANGLEX, GL_R32_FIXED_ANGLEX, GenerateMip<R32F>, NoCopyFunctions, ReadColor<R32F, GLfloat>, WriteColor<R32F, GLfloat>, GL_FLOAT, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, true, false, false, false, gl::VertexAttribType::Fixed },
+    { FormatID::R32_FLOAT, GL_R32F, GL_R32F, GenerateMip<R32F>, NoCopyFunctions, ReadColor<R32F, GLfloat>, WriteColor<R32F, GLfloat>, GL_FLOAT, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, false, false, false, false, gl::VertexAttribType::Float },
+    { FormatID::R32_SINT, GL_R32I, GL_R32I, GenerateMip<R32S>, NoCopyFunctions, ReadColor<R32S, GLint>, WriteColor<R32S, GLint>, GL_INT, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32_SNORM, GL_R32_SNORM_ANGLEX, GL_R32_SNORM_ANGLEX, GenerateMip<R32S>, NoCopyFunctions, ReadColor<R32S, GLfloat>, WriteColor<R32S, GLfloat>, GL_SIGNED_NORMALIZED, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, false, false, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32_SSCALED, GL_R32_SSCALED_ANGLEX, GL_R32_SSCALED_ANGLEX, GenerateMip<R32S>, NoCopyFunctions, ReadColor<R32S, GLint>, WriteColor<R32S, GLint>, GL_INT, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, false, true, false, false, gl::VertexAttribType::Int },
+    { FormatID::R32_UINT, GL_R32UI, GL_R32UI, GenerateMip<R32>, NoCopyFunctions, ReadColor<R32, GLuint>, WriteColor<R32, GLuint>, GL_UNSIGNED_INT, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32_UNORM, GL_R32_UNORM_ANGLEX, GL_R32_UNORM_ANGLEX, GenerateMip<R32>, NoCopyFunctions, ReadColor<R32, GLfloat>, WriteColor<R32, GLfloat>, GL_UNSIGNED_NORMALIZED, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, false, false, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R32_USCALED, GL_R32_USCALED_ANGLEX, GL_R32_USCALED_ANGLEX, GenerateMip<R32>, NoCopyFunctions, ReadColor<R32, GLuint>, WriteColor<R32, GLuint>, GL_UNSIGNED_INT, 32, 0, 0, 0, 0, 0, 0, 4, 3, false, false, true, false, false, gl::VertexAttribType::UnsignedInt },
+    { FormatID::R4G4B4A4_UNORM, GL_RGBA4, GL_RGBA4, GenerateMip<R4G4B4A4>, NoCopyFunctions, ReadColor<R4G4B4A4, GLfloat>, WriteColor<R4G4B4A4, GLfloat>, GL_UNSIGNED_NORMALIZED, 4, 4, 4, 4, 0, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::R5G5B5A1_UNORM, GL_RGB5_A1, GL_RGB5_A1, GenerateMip<R5G5B5A1>, NoCopyFunctions, ReadColor<R5G5B5A1, GLfloat>, WriteColor<R5G5B5A1, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 5, 5, 1, 0, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::R5G6B5_UNORM, GL_RGB565, GL_RGB565, GenerateMip<R5G6B5>, NoCopyFunctions, ReadColor<R5G6B5, GLfloat>, WriteColor<R5G6B5, GLfloat>, GL_UNSIGNED_NORMALIZED, 5, 6, 5, 0, 0, 0, 0, 2, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::R8G8B8A8_SINT, GL_RGBA8I, GL_RGBA8I, GenerateMip<R8G8B8A8S>, NoCopyFunctions, ReadColor<R8G8B8A8S, GLint>, WriteColor<R8G8B8A8S, GLint>, GL_INT, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8A8_SNORM, GL_RGBA8_SNORM, GL_RGBA8_SNORM, GenerateMip<R8G8B8A8S>, NoCopyFunctions, ReadColor<R8G8B8A8S, GLfloat>, WriteColor<R8G8B8A8S, GLfloat>, GL_SIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8A8_SSCALED, GL_RGBA8_SSCALED_ANGLEX, GL_RGBA8_SSCALED_ANGLEX, GenerateMip<R8G8B8A8S>, NoCopyFunctions, ReadColor<R8G8B8A8S, GLint>, WriteColor<R8G8B8A8S, GLint>, GL_INT, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, true, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8A8_TYPELESS, GL_RGBA8, GL_RGBA8, GenerateMip<R8G8B8A8>, NoCopyFunctions, ReadColor<R8G8B8A8, GLfloat>, WriteColor<R8G8B8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8B8A8_TYPELESS_SRGB, GL_SRGB8_ALPHA8, GL_SRGB8_ALPHA8, GenerateMip<R8G8B8A8>, NoCopyFunctions, ReadColor<R8G8B8A8, GLfloat>, WriteColor<R8G8B8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8A8_UINT, GL_RGBA8UI, GL_RGBA8UI, GenerateMip<R8G8B8A8>, NoCopyFunctions, ReadColor<R8G8B8A8, GLuint>, WriteColor<R8G8B8A8, GLuint>, GL_UNSIGNED_INT, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8B8A8_UNORM, GL_RGBA8, GL_RGBA8, GenerateMip<R8G8B8A8>, NoCopyFunctions, ReadColor<R8G8B8A8, GLfloat>, WriteColor<R8G8B8A8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8B8A8_UNORM_SRGB, GL_SRGB8_ALPHA8, GL_SRGB8_ALPHA8, GenerateMip<R8G8B8A8SRGB>, NoCopyFunctions, ReadColor<R8G8B8A8SRGB, GLfloat>, WriteColor<R8G8B8A8SRGB, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8A8_USCALED, GL_RGBA8_USCALED_ANGLEX, GL_RGBA8_USCALED_ANGLEX, GenerateMip<R8G8B8A8>, NoCopyFunctions, ReadColor<R8G8B8A8, GLuint>, WriteColor<R8G8B8A8, GLuint>, GL_UNSIGNED_INT, 8, 8, 8, 8, 0, 0, 0, 4, 0, false, false, true, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8B8X8_UNORM, GL_RGBA8, GL_RGBA8, GenerateMip<R8G8B8X8>, NoCopyFunctions, ReadColor<R8G8B8X8, GLfloat>, WriteColor<R8G8B8X8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8B8_SINT, GL_RGB8I, GL_RGB8I, GenerateMip<R8G8B8S>, NoCopyFunctions, ReadColor<R8G8B8S, GLint>, WriteColor<R8G8B8S, GLint>, GL_INT, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8_SNORM, GL_RGB8_SNORM, GL_RGB8_SNORM, GenerateMip<R8G8B8S>, NoCopyFunctions, ReadColor<R8G8B8S, GLfloat>, WriteColor<R8G8B8S, GLfloat>, GL_SIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8_SSCALED, GL_RGB8_SSCALED_ANGLEX, GL_RGB8_SSCALED_ANGLEX, GenerateMip<R8G8B8S>, NoCopyFunctions, ReadColor<R8G8B8S, GLint>, WriteColor<R8G8B8S, GLint>, GL_INT, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, true, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8_UINT, GL_RGB8UI, GL_RGB8UI, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLuint>, WriteColor<R8G8B8, GLuint>, GL_UNSIGNED_INT, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8B8_UNORM, GL_RGB8, GL_RGB8, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLfloat>, WriteColor<R8G8B8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8B8_UNORM_SRGB, GL_SRGB8, GL_SRGB8, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLfloat>, WriteColor<R8G8B8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8B8_USCALED, GL_RGB8_USCALED_ANGLEX, GL_RGB8_USCALED_ANGLEX, GenerateMip<R8G8B8>, NoCopyFunctions, ReadColor<R8G8B8, GLuint>, WriteColor<R8G8B8, GLuint>, GL_UNSIGNED_INT, 8, 8, 8, 0, 0, 0, 0, 3, 0, false, false, true, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8_SINT, GL_RG8I, GL_RG8I, GenerateMip<R8G8S>, NoCopyFunctions, ReadColor<R8G8S, GLint>, WriteColor<R8G8S, GLint>, GL_INT, 8, 8, 0, 0, 0, 0, 0, 2, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8_SNORM, GL_RG8_SNORM, GL_RG8_SNORM, GenerateMip<R8G8S>, NoCopyFunctions, ReadColor<R8G8S, GLfloat>, WriteColor<R8G8S, GLfloat>, GL_SIGNED_NORMALIZED, 8, 8, 0, 0, 0, 0, 0, 2, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8_SSCALED, GL_RG8_SSCALED_ANGLEX, GL_RG8_SSCALED_ANGLEX, GenerateMip<R8G8S>, NoCopyFunctions, ReadColor<R8G8S, GLint>, WriteColor<R8G8S, GLint>, GL_INT, 8, 8, 0, 0, 0, 0, 0, 2, 0, false, false, true, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8_UINT, GL_RG8UI, GL_RG8UI, GenerateMip<R8G8>, NoCopyFunctions, ReadColor<R8G8, GLuint>, WriteColor<R8G8, GLuint>, GL_UNSIGNED_INT, 8, 8, 0, 0, 0, 0, 0, 2, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8_UNORM, GL_RG8, GL_RG8, GenerateMip<R8G8>, NoCopyFunctions, ReadColor<R8G8, GLfloat>, WriteColor<R8G8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 0, 0, 0, 0, 0, 2, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8G8_UNORM_SRGB, GL_SRG8_EXT, GL_SRG8_EXT, GenerateMip<R8G8>, NoCopyFunctions, ReadColor<R8G8, GLfloat>, WriteColor<R8G8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 8, 0, 0, 0, 0, 0, 2, 0, false, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::R8G8_USCALED, GL_RG8_USCALED_ANGLEX, GL_RG8_USCALED_ANGLEX, GenerateMip<R8G8>, NoCopyFunctions, ReadColor<R8G8, GLuint>, WriteColor<R8G8, GLuint>, GL_UNSIGNED_INT, 8, 8, 0, 0, 0, 0, 0, 2, 0, false, false, true, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8_SINT, GL_R8I, GL_R8I, GenerateMip<R8S>, NoCopyFunctions, ReadColor<R8S, GLint>, WriteColor<R8S, GLint>, GL_INT, 8, 0, 0, 0, 0, 0, 0, 1, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8_SNORM, GL_R8_SNORM, GL_R8_SNORM, GenerateMip<R8S>, NoCopyFunctions, ReadColor<R8S, GLfloat>, WriteColor<R8S, GLfloat>, GL_SIGNED_NORMALIZED, 8, 0, 0, 0, 0, 0, 0, 1, 0, false, false, false, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8_SSCALED, GL_R8_SSCALED_ANGLEX, GL_R8_SSCALED_ANGLEX, GenerateMip<R8S>, NoCopyFunctions, ReadColor<R8S, GLint>, WriteColor<R8S, GLint>, GL_INT, 8, 0, 0, 0, 0, 0, 0, 1, 0, false, false, true, false, false, gl::VertexAttribType::Byte },
+    { FormatID::R8_UINT, GL_R8UI, GL_R8UI, GenerateMip<R8>, NoCopyFunctions, ReadColor<R8, GLuint>, WriteColor<R8, GLuint>, GL_UNSIGNED_INT, 8, 0, 0, 0, 0, 0, 0, 1, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8_UNORM, GL_R8, GL_R8, GenerateMip<R8>, NoCopyFunctions, ReadColor<R8, GLfloat>, WriteColor<R8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 0, 0, 0, 0, 0, 0, 1, 0, false, false, false, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R8_UNORM_SRGB, GL_SR8_EXT, GL_SR8_EXT, GenerateMip<R8>, NoCopyFunctions, ReadColor<R8, GLfloat>, WriteColor<R8, GLfloat>, GL_UNSIGNED_NORMALIZED, 8, 0, 0, 0, 0, 0, 0, 1, 0, false, false, false, true, false, gl::VertexAttribType::Byte },
+    { FormatID::R8_USCALED, GL_R8_USCALED_ANGLEX, GL_R8_USCALED_ANGLEX, GenerateMip<R8>, NoCopyFunctions, ReadColor<R8, GLuint>, WriteColor<R8, GLuint>, GL_UNSIGNED_INT, 8, 0, 0, 0, 0, 0, 0, 1, 0, false, false, true, false, false, gl::VertexAttribType::UnsignedByte },
+    { FormatID::R9G9B9E5_SHAREDEXP, GL_RGB9_E5, GL_RGB9_E5, GenerateMip<R9G9B9E5>, NoCopyFunctions, ReadColor<R9G9B9E5, GLfloat>, WriteColor<R9G9B9E5, GLfloat>, GL_FLOAT, 9, 9, 9, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::InvalidEnum },
+    { FormatID::X2R10G10B10_SINT_VERTEX, GL_X2_RGB10_SINT_ANGLEX, GL_X2_RGB10_SINT_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_INT, 10, 10, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Int1010102 },
+    { FormatID::X2R10G10B10_SNORM_VERTEX, GL_X2_RGB10_SNORM_ANGLEX, GL_X2_RGB10_SNORM_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_SIGNED_NORMALIZED, 10, 10, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::Int1010102 },
+    { FormatID::X2R10G10B10_SSCALED_VERTEX, GL_X2_RGB10_SSCALED_ANGLEX, GL_X2_RGB10_SSCALED_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_INT, 10, 10, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, true, false, false, gl::VertexAttribType::Int1010102 },
+    { FormatID::X2R10G10B10_UINT_VERTEX, GL_X2_RGB10_UINT_ANGLEX, GL_X2_RGB10_UINT_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_INT, 10, 10, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt1010102 },
+    { FormatID::X2R10G10B10_UNORM_VERTEX, GL_X2_RGB10_UNORM_ANGLEX, GL_X2_RGB10_UNORM_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_NORMALIZED, 10, 10, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, false, false, false, gl::VertexAttribType::UnsignedInt1010102 },
+    { FormatID::X2R10G10B10_USCALED_VERTEX, GL_X2_RGB10_USCALED_ANGLEX, GL_X2_RGB10_USCALED_ANGLEX, nullptr, NoCopyFunctions, nullptr, nullptr, GL_UNSIGNED_INT, 10, 10, 10, 0, 0, 0, 0, 4, std::numeric_limits<GLuint>::max(), false, false, true, false, false, gl::VertexAttribType::UnsignedInt1010102 },
+    // clang-format on
+};
+
+// static
+FormatID Format::InternalFormatToID(GLenum internalFormat)
+{
+    switch (internalFormat)
+    {
+        case GL_A1RGB5_ANGLEX:
+            return FormatID::A1R5G5B5_UNORM;
+        case GL_A2_RGB10_SNORM_ANGLEX:
+            return FormatID::A2R10G10B10_SNORM_VERTEX;
+        case GL_A2_RGB10_SSCALED_ANGLEX:
+            return FormatID::A2R10G10B10_SSCALED_VERTEX;
+        case GL_A2_RGB10_UNORM_ANGLEX:
+            return FormatID::A2R10G10B10_UNORM_VERTEX;
+        case GL_A2_RGB10_USCALED_ANGLEX:
+            return FormatID::A2R10G10B10_USCALED_VERTEX;
+        case GL_ALPHA16F_EXT:
+            return FormatID::A16_FLOAT;
+        case GL_ALPHA32F_EXT:
+            return FormatID::A32_FLOAT;
+        case GL_ALPHA8_EXT:
+            return FormatID::A8_UNORM;
+        case GL_BGR10_A2_ANGLEX:
+            return FormatID::B10G10R10A2_UNORM;
+        case GL_BGR565_ANGLEX:
+            return FormatID::B5G6R5_UNORM;
+        case GL_BGR5_A1_ANGLEX:
+            return FormatID::B5G5R5A1_UNORM;
+        case GL_BGRA4_ANGLEX:
+            return FormatID::B4G4R4A4_UNORM;
+        case GL_BGRA8_EXT:
+            return FormatID::B8G8R8A8_UNORM;
+        case GL_BGRA8_SRGB_ANGLEX:
+            return FormatID::B8G8R8A8_UNORM_SRGB;
+        case GL_BGRA8_TYPELESS_ANGLEX:
+            return FormatID::B8G8R8A8_TYPELESS;
+        case GL_BGRA8_TYPELESS_SRGB_ANGLEX:
+            return FormatID::B8G8R8A8_TYPELESS_SRGB;
+        case GL_BGRX8_ANGLEX:
+            return FormatID::B8G8R8X8_UNORM;
+        case GL_COMPRESSED_R11_EAC:
+            return FormatID::EAC_R11_UNORM_BLOCK;
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+            return FormatID::BC5_RG_UNORM_BLOCK;
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+            return FormatID::BC4_RED_UNORM_BLOCK;
+        case GL_COMPRESSED_RG11_EAC:
+            return FormatID::EAC_R11G11_UNORM_BLOCK;
+        case GL_COMPRESSED_RGB8_ETC2:
+            return FormatID::ETC2_R8G8B8_UNORM_BLOCK;
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+            return FormatID::ETC2_R8G8B8A1_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA8_ETC2_EAC:
+            return FormatID::ETC2_R8G8B8A8_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+            return FormatID::ASTC_10x10_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+            return FormatID::ASTC_10x5_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+            return FormatID::ASTC_10x6_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+            return FormatID::ASTC_10x8_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+            return FormatID::ASTC_12x10_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+            return FormatID::ASTC_12x12_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+            return FormatID::ASTC_3x3x3_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+            return FormatID::ASTC_4x3x3_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+            return FormatID::ASTC_4x4_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+            return FormatID::ASTC_4x4x3_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+            return FormatID::ASTC_4x4x4_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+            return FormatID::ASTC_5x4_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+            return FormatID::ASTC_5x4x4_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+            return FormatID::ASTC_5x5_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+            return FormatID::ASTC_5x5x4_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+            return FormatID::ASTC_5x5x5_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+            return FormatID::ASTC_6x5_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+            return FormatID::ASTC_6x5x5_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+            return FormatID::ASTC_6x6_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+            return FormatID::ASTC_6x6x5_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+            return FormatID::ASTC_6x6x6_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+            return FormatID::ASTC_8x5_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+            return FormatID::ASTC_8x6_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+            return FormatID::ASTC_8x8_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+            return FormatID::BC7_RGBA_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
+            return FormatID::PVRTC1_RGBA_2BPP_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:
+            return FormatID::PVRTC1_RGBA_4BPP_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+            return FormatID::BC1_RGBA_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+            return FormatID::BC2_RGBA_UNORM_BLOCK;
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+            return FormatID::BC3_RGBA_UNORM_BLOCK;
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+            return FormatID::BC6H_RGB_SFLOAT_BLOCK;
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+            return FormatID::BC6H_RGB_UFLOAT_BLOCK;
+        case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
+            return FormatID::PVRTC1_RGB_2BPP_UNORM_BLOCK;
+        case GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
+            return FormatID::PVRTC1_RGB_4BPP_UNORM_BLOCK;
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+            return FormatID::BC1_RGB_UNORM_BLOCK;
+        case GL_COMPRESSED_SIGNED_R11_EAC:
+            return FormatID::EAC_R11_SNORM_BLOCK;
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+            return FormatID::BC5_RG_SNORM_BLOCK;
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+            return FormatID::BC4_RED_SNORM_BLOCK;
+        case GL_COMPRESSED_SIGNED_RG11_EAC:
+            return FormatID::EAC_R11G11_SNORM_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+            return FormatID::ASTC_10x10_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+            return FormatID::ASTC_10x5_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+            return FormatID::ASTC_10x6_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+            return FormatID::ASTC_10x8_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+            return FormatID::ASTC_12x10_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+            return FormatID::ASTC_12x12_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES:
+            return FormatID::ASTC_3x3x3_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES:
+            return FormatID::ASTC_4x3x3_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+            return FormatID::ASTC_4x4_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES:
+            return FormatID::ASTC_4x4x3_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES:
+            return FormatID::ASTC_4x4x4_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+            return FormatID::ASTC_5x4_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES:
+            return FormatID::ASTC_5x4x4_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+            return FormatID::ASTC_5x5_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES:
+            return FormatID::ASTC_5x5x4_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES:
+            return FormatID::ASTC_5x5x5_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+            return FormatID::ASTC_6x5_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES:
+            return FormatID::ASTC_6x5x5_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+            return FormatID::ASTC_6x6_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES:
+            return FormatID::ASTC_6x6x5_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES:
+            return FormatID::ASTC_6x6x6_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+            return FormatID::ASTC_8x5_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+            return FormatID::ASTC_8x6_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+            return FormatID::ASTC_8x8_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+            return FormatID::ETC2_R8G8B8A8_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_ETC2:
+            return FormatID::ETC2_R8G8B8_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+            return FormatID::ETC2_R8G8B8A1_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:
+            return FormatID::BC7_RGBA_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
+            return FormatID::PVRTC1_RGBA_2BPP_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
+            return FormatID::PVRTC1_RGBA_4BPP_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+            return FormatID::BC1_RGBA_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+            return FormatID::BC2_RGBA_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+            return FormatID::BC3_RGBA_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
+            return FormatID::PVRTC1_RGB_2BPP_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
+            return FormatID::PVRTC1_RGB_4BPP_UNORM_SRGB_BLOCK;
+        case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+            return FormatID::BC1_RGB_UNORM_SRGB_BLOCK;
+        case GL_DEPTH24_STENCIL8:
+            return FormatID::D24_UNORM_S8_UINT;
+        case GL_DEPTH32F_STENCIL8:
+            return FormatID::D32_FLOAT_S8X24_UINT;
+        case GL_DEPTH_COMPONENT16:
+            return FormatID::D16_UNORM;
+        case GL_DEPTH_COMPONENT24:
+            return FormatID::D24_UNORM_X8_UINT;
+        case GL_DEPTH_COMPONENT32F:
+            return FormatID::D32_FLOAT;
+        case GL_DEPTH_COMPONENT32_OES:
+            return FormatID::D32_UNORM;
+        case GL_ETC1_RGB8_LOSSY_DECODE_ANGLE:
+            return FormatID::ETC1_LOSSY_DECODE_R8G8B8_UNORM_BLOCK;
+        case GL_ETC1_RGB8_OES:
+            return FormatID::ETC1_R8G8B8_UNORM_BLOCK;
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+            return FormatID::G8_B8R8_2PLANE_420_UNORM;
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+            return FormatID::G8_B8_R8_3PLANE_420_UNORM;
+        case GL_INT_10_10_10_2_OES:
+            return FormatID::A2R10G10B10_SINT_VERTEX;
+        case GL_LUMINANCE16F_EXT:
+            return FormatID::L16_FLOAT;
+        case GL_LUMINANCE32F_EXT:
+            return FormatID::L32_FLOAT;
+        case GL_LUMINANCE8_ALPHA8_EXT:
+            return FormatID::L8A8_UNORM;
+        case GL_LUMINANCE8_EXT:
+            return FormatID::L8_UNORM;
+        case GL_LUMINANCE_ALPHA16F_EXT:
+            return FormatID::L16A16_FLOAT;
+        case GL_LUMINANCE_ALPHA32F_EXT:
+            return FormatID::L32A32_FLOAT;
+        case GL_NONE:
+            return FormatID::NONE;
+        case GL_PALETTE4_R5_G6_B5_OES:
+            return FormatID::PALETTE4_R5G6B5_UNORM;
+        case GL_PALETTE4_RGB5_A1_OES:
+            return FormatID::PALETTE4_R5G5B5A1_UNORM;
+        case GL_PALETTE4_RGB8_OES:
+            return FormatID::PALETTE4_R8G8B8_UNORM;
+        case GL_PALETTE4_RGBA4_OES:
+            return FormatID::PALETTE4_R4G4B4A4_UNORM;
+        case GL_PALETTE4_RGBA8_OES:
+            return FormatID::PALETTE4_R8G8B8A8_UNORM;
+        case GL_PALETTE8_R5_G6_B5_OES:
+            return FormatID::PALETTE8_R5G6B5_UNORM;
+        case GL_PALETTE8_RGB5_A1_OES:
+            return FormatID::PALETTE8_R5G5B5A1_UNORM;
+        case GL_PALETTE8_RGB8_OES:
+            return FormatID::PALETTE8_R8G8B8_UNORM;
+        case GL_PALETTE8_RGBA4_OES:
+            return FormatID::PALETTE8_R4G4B4A4_UNORM;
+        case GL_PALETTE8_RGBA8_OES:
+            return FormatID::PALETTE8_R8G8B8A8_UNORM;
+        case GL_R11F_G11F_B10F:
+            return FormatID::R11G11B10_FLOAT;
+        case GL_R16F:
+            return FormatID::R16_FLOAT;
+        case GL_R16I:
+            return FormatID::R16_SINT;
+        case GL_R16UI:
+            return FormatID::R16_UINT;
+        case GL_R16_EXT:
+            return FormatID::R16_UNORM;
+        case GL_R16_SNORM_EXT:
+            return FormatID::R16_SNORM;
+        case GL_R16_SSCALED_ANGLEX:
+            return FormatID::R16_SSCALED;
+        case GL_R16_USCALED_ANGLEX:
+            return FormatID::R16_USCALED;
+        case GL_R32F:
+            return FormatID::R32_FLOAT;
+        case GL_R32I:
+            return FormatID::R32_SINT;
+        case GL_R32UI:
+            return FormatID::R32_UINT;
+        case GL_R32_FIXED_ANGLEX:
+            return FormatID::R32_FIXED;
+        case GL_R32_SNORM_ANGLEX:
+            return FormatID::R32_SNORM;
+        case GL_R32_SSCALED_ANGLEX:
+            return FormatID::R32_SSCALED;
+        case GL_R32_UNORM_ANGLEX:
+            return FormatID::R32_UNORM;
+        case GL_R32_USCALED_ANGLEX:
+            return FormatID::R32_USCALED;
+        case GL_R8:
+            return FormatID::R8_UNORM;
+        case GL_R8I:
+            return FormatID::R8_SINT;
+        case GL_R8UI:
+            return FormatID::R8_UINT;
+        case GL_R8_SNORM:
+            return FormatID::R8_SNORM;
+        case GL_R8_SSCALED_ANGLEX:
+            return FormatID::R8_SSCALED;
+        case GL_R8_USCALED_ANGLEX:
+            return FormatID::R8_USCALED;
+        case GL_RG16F:
+            return FormatID::R16G16_FLOAT;
+        case GL_RG16I:
+            return FormatID::R16G16_SINT;
+        case GL_RG16UI:
+            return FormatID::R16G16_UINT;
+        case GL_RG16_EXT:
+            return FormatID::R16G16_UNORM;
+        case GL_RG16_SNORM_EXT:
+            return FormatID::R16G16_SNORM;
+        case GL_RG16_SSCALED_ANGLEX:
+            return FormatID::R16G16_SSCALED;
+        case GL_RG16_USCALED_ANGLEX:
+            return FormatID::R16G16_USCALED;
+        case GL_RG32F:
+            return FormatID::R32G32_FLOAT;
+        case GL_RG32I:
+            return FormatID::R32G32_SINT;
+        case GL_RG32UI:
+            return FormatID::R32G32_UINT;
+        case GL_RG32_FIXED_ANGLEX:
+            return FormatID::R32G32_FIXED;
+        case GL_RG32_SNORM_ANGLEX:
+            return FormatID::R32G32_SNORM;
+        case GL_RG32_SSCALED_ANGLEX:
+            return FormatID::R32G32_SSCALED;
+        case GL_RG32_UNORM_ANGLEX:
+            return FormatID::R32G32_UNORM;
+        case GL_RG32_USCALED_ANGLEX:
+            return FormatID::R32G32_USCALED;
+        case GL_RG8:
+            return FormatID::R8G8_UNORM;
+        case GL_RG8I:
+            return FormatID::R8G8_SINT;
+        case GL_RG8UI:
+            return FormatID::R8G8_UINT;
+        case GL_RG8_SNORM:
+            return FormatID::R8G8_SNORM;
+        case GL_RG8_SSCALED_ANGLEX:
+            return FormatID::R8G8_SSCALED;
+        case GL_RG8_USCALED_ANGLEX:
+            return FormatID::R8G8_USCALED;
+        case GL_RGB:
+            return FormatID::R8G8B8_UNORM;
+        case GL_RGB10_A2:
+            return FormatID::R10G10B10A2_UNORM;
+        case GL_RGB10_A2UI:
+            return FormatID::R10G10B10A2_UINT;
+        case GL_RGB10_A2_SINT_ANGLEX:
+            return FormatID::R10G10B10A2_SINT;
+        case GL_RGB10_A2_SNORM_ANGLEX:
+            return FormatID::R10G10B10A2_SNORM;
+        case GL_RGB10_A2_SSCALED_ANGLEX:
+            return FormatID::R10G10B10A2_SSCALED;
+        case GL_RGB10_A2_USCALED_ANGLEX:
+            return FormatID::R10G10B10A2_USCALED;
+        case GL_RGB10_UNORM_ANGLEX:
+            return FormatID::R10G10B10X2_UNORM;
+        case GL_RGB16F:
+            return FormatID::R16G16B16_FLOAT;
+        case GL_RGB16I:
+            return FormatID::R16G16B16_SINT;
+        case GL_RGB16UI:
+            return FormatID::R16G16B16_UINT;
+        case GL_RGB16_EXT:
+            return FormatID::R16G16B16_UNORM;
+        case GL_RGB16_SNORM_EXT:
+            return FormatID::R16G16B16_SNORM;
+        case GL_RGB16_SSCALED_ANGLEX:
+            return FormatID::R16G16B16_SSCALED;
+        case GL_RGB16_USCALED_ANGLEX:
+            return FormatID::R16G16B16_USCALED;
+        case GL_RGB32F:
+            return FormatID::R32G32B32_FLOAT;
+        case GL_RGB32I:
+            return FormatID::R32G32B32_SINT;
+        case GL_RGB32UI:
+            return FormatID::R32G32B32_UINT;
+        case GL_RGB32_FIXED_ANGLEX:
+            return FormatID::R32G32B32_FIXED;
+        case GL_RGB32_SNORM_ANGLEX:
+            return FormatID::R32G32B32_SNORM;
+        case GL_RGB32_SSCALED_ANGLEX:
+            return FormatID::R32G32B32_SSCALED;
+        case GL_RGB32_UNORM_ANGLEX:
+            return FormatID::R32G32B32_UNORM;
+        case GL_RGB32_USCALED_ANGLEX:
+            return FormatID::R32G32B32_USCALED;
+        case GL_RGB565:
+            return FormatID::R5G6B5_UNORM;
+        case GL_RGB5_A1:
+            return FormatID::R5G5B5A1_UNORM;
+        case GL_RGB8:
+            return FormatID::R8G8B8_UNORM;
+        case GL_RGB8I:
+            return FormatID::R8G8B8_SINT;
+        case GL_RGB8UI:
+            return FormatID::R8G8B8_UINT;
+        case GL_RGB8_SNORM:
+            return FormatID::R8G8B8_SNORM;
+        case GL_RGB8_SSCALED_ANGLEX:
+            return FormatID::R8G8B8_SSCALED;
+        case GL_RGB8_USCALED_ANGLEX:
+            return FormatID::R8G8B8_USCALED;
+        case GL_RGB9_E5:
+            return FormatID::R9G9B9E5_SHAREDEXP;
+        case GL_RGBA:
+            return FormatID::R8G8B8A8_UNORM;
+        case GL_RGBA16F:
+            return FormatID::R16G16B16A16_FLOAT;
+        case GL_RGBA16I:
+            return FormatID::R16G16B16A16_SINT;
+        case GL_RGBA16UI:
+            return FormatID::R16G16B16A16_UINT;
+        case GL_RGBA16_EXT:
+            return FormatID::R16G16B16A16_UNORM;
+        case GL_RGBA16_SNORM_EXT:
+            return FormatID::R16G16B16A16_SNORM;
+        case GL_RGBA16_SSCALED_ANGLEX:
+            return FormatID::R16G16B16A16_SSCALED;
+        case GL_RGBA16_USCALED_ANGLEX:
+            return FormatID::R16G16B16A16_USCALED;
+        case GL_RGBA32F:
+            return FormatID::R32G32B32A32_FLOAT;
+        case GL_RGBA32I:
+            return FormatID::R32G32B32A32_SINT;
+        case GL_RGBA32UI:
+            return FormatID::R32G32B32A32_UINT;
+        case GL_RGBA32_FIXED_ANGLEX:
+            return FormatID::R32G32B32A32_FIXED;
+        case GL_RGBA32_SNORM_ANGLEX:
+            return FormatID::R32G32B32A32_SNORM;
+        case GL_RGBA32_SSCALED_ANGLEX:
+            return FormatID::R32G32B32A32_SSCALED;
+        case GL_RGBA32_UNORM_ANGLEX:
+            return FormatID::R32G32B32A32_UNORM;
+        case GL_RGBA32_USCALED_ANGLEX:
+            return FormatID::R32G32B32A32_USCALED;
+        case GL_RGBA4:
+            return FormatID::R4G4B4A4_UNORM;
+        case GL_RGBA8:
+            return FormatID::R8G8B8A8_UNORM;
+        case GL_RGBA8I:
+            return FormatID::R8G8B8A8_SINT;
+        case GL_RGBA8UI:
+            return FormatID::R8G8B8A8_UINT;
+        case GL_RGBA8_SNORM:
+            return FormatID::R8G8B8A8_SNORM;
+        case GL_RGBA8_SSCALED_ANGLEX:
+            return FormatID::R8G8B8A8_SSCALED;
+        case GL_RGBA8_TYPELESS_ANGLEX:
+            return FormatID::R8G8B8A8_TYPELESS;
+        case GL_RGBA8_TYPELESS_SRGB_ANGLEX:
+            return FormatID::R8G8B8A8_TYPELESS_SRGB;
+        case GL_RGBA8_USCALED_ANGLEX:
+            return FormatID::R8G8B8A8_USCALED;
+        case GL_RGBX8_ANGLE:
+            return FormatID::R8G8B8X8_UNORM;
+        case GL_SR8_EXT:
+            return FormatID::R8_UNORM_SRGB;
+        case GL_SRG8_EXT:
+            return FormatID::R8G8_UNORM_SRGB;
+        case GL_SRGB8:
+            return FormatID::R8G8B8_UNORM_SRGB;
+        case GL_SRGB8_ALPHA8:
+            return FormatID::R8G8B8A8_UNORM_SRGB;
+        case GL_STENCIL_INDEX8:
+            return FormatID::S8_UINT;
+        case GL_UNSIGNED_INT_10_10_10_2_OES:
+            return FormatID::A2R10G10B10_UINT_VERTEX;
+        case GL_X2_RGB10_SINT_ANGLEX:
+            return FormatID::X2R10G10B10_SINT_VERTEX;
+        case GL_X2_RGB10_SNORM_ANGLEX:
+            return FormatID::X2R10G10B10_SNORM_VERTEX;
+        case GL_X2_RGB10_SSCALED_ANGLEX:
+            return FormatID::X2R10G10B10_SSCALED_VERTEX;
+        case GL_X2_RGB10_UINT_ANGLEX:
+            return FormatID::X2R10G10B10_UINT_VERTEX;
+        case GL_X2_RGB10_UNORM_ANGLEX:
+            return FormatID::X2R10G10B10_UNORM_VERTEX;
+        case GL_X2_RGB10_USCALED_ANGLEX:
+            return FormatID::X2R10G10B10_USCALED_VERTEX;
+        default:
+            return FormatID::NONE;
+    }
+}
+
+const Format *GetFormatInfoTable()
+{
+    return gFormatInfoTable;
+}
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/FramebufferAttachmentObjectImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/FramebufferAttachmentObjectImpl.h
new file mode 100644
index 0000000000..0b5223ae5d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/FramebufferAttachmentObjectImpl.h
@@ -0,0 +1,65 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// FramebufferAttachmentObjectImpl.h:
+//   Common ancenstor for all implementations of FBO attachable-objects.
+//   This means Surfaces, Textures and Renderbuffers.
+//
+
+#ifndef LIBANGLE_RENDERER_FRAMEBUFFER_ATTACHMENT_OBJECT_IMPL_H_
+#define LIBANGLE_RENDERER_FRAMEBUFFER_ATTACHMENT_OBJECT_IMPL_H_
+
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/Observer.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class FramebufferAttachmentRenderTarget;
+
+class FramebufferAttachmentObjectImpl : public angle::Subject
+{
+  public:
+    FramebufferAttachmentObjectImpl() {}
+    ~FramebufferAttachmentObjectImpl() override {}
+
+    virtual angle::Result getAttachmentRenderTarget(const gl::Context *context,
+                                                    GLenum binding,
+                                                    const gl::ImageIndex &imageIndex,
+                                                    GLsizei samples,
+                                                    FramebufferAttachmentRenderTarget **rtOut);
+
+    virtual angle::Result initializeContents(const gl::Context *context,
+                                             GLenum binding,
+                                             const gl::ImageIndex &imageIndex);
+};
+
+inline angle::Result FramebufferAttachmentObjectImpl::getAttachmentRenderTarget(
+    const gl::Context *context,
+    GLenum binding,
+    const gl::ImageIndex &imageIndex,
+    GLsizei samples,
+    FramebufferAttachmentRenderTarget **rtOut)
+{
+    UNIMPLEMENTED();
+    return angle::Result::Stop;
+}
+
+inline angle::Result FramebufferAttachmentObjectImpl::initializeContents(
+    const gl::Context *context,
+    GLenum binding,
+    const gl::ImageIndex &imageIndex)
+{
+    UNIMPLEMENTED();
+    return angle::Result::Stop;
+}
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_FRAMEBUFFER_ATTACHMENT_OBJECT_IMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/FramebufferImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/FramebufferImpl.cpp
new file mode 100644
index 0000000000..1cef167d9d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/FramebufferImpl.cpp
@@ -0,0 +1,18 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// FramebufferImpl.cpp: Implements the class methods for FramebufferImpl.
+
+#include "libANGLE/renderer/FramebufferImpl.h"
+
+namespace rx
+{
+
+angle::Result FramebufferImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/FramebufferImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/FramebufferImpl.h
new file mode 100644
index 0000000000..0ecfaba4f2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/FramebufferImpl.h
@@ -0,0 +1,123 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// FramebufferImpl.h: Defines the abstract rx::FramebufferImpl class.
+
+#ifndef LIBANGLE_RENDERER_FRAMEBUFFERIMPL_H_
+#define LIBANGLE_RENDERER_FRAMEBUFFERIMPL_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/State.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+class Buffer;
+class Framebuffer;
+class FramebufferAttachment;
+struct PixelPackState;
+}  // namespace gl
+
+namespace rx
+{
+class DisplayImpl;
+
+class FramebufferImpl : angle::NonCopyable
+{
+  public:
+    explicit FramebufferImpl(const gl::FramebufferState &state) : mState(state) {}
+    virtual ~FramebufferImpl() {}
+    virtual void destroy(const gl::Context *context) {}
+
+    virtual angle::Result discard(const gl::Context *context,
+                                  size_t count,
+                                  const GLenum *attachments)       = 0;
+    virtual angle::Result invalidate(const gl::Context *context,
+                                     size_t count,
+                                     const GLenum *attachments)    = 0;
+    virtual angle::Result invalidateSub(const gl::Context *context,
+                                        size_t count,
+                                        const GLenum *attachments,
+                                        const gl::Rectangle &area) = 0;
+
+    virtual angle::Result clear(const gl::Context *context, GLbitfield mask) = 0;
+    virtual angle::Result clearBufferfv(const gl::Context *context,
+                                        GLenum buffer,
+                                        GLint drawbuffer,
+                                        const GLfloat *values)               = 0;
+    virtual angle::Result clearBufferuiv(const gl::Context *context,
+                                         GLenum buffer,
+                                         GLint drawbuffer,
+                                         const GLuint *values)               = 0;
+    virtual angle::Result clearBufferiv(const gl::Context *context,
+                                        GLenum buffer,
+                                        GLint drawbuffer,
+                                        const GLint *values)                 = 0;
+    virtual angle::Result clearBufferfi(const gl::Context *context,
+                                        GLenum buffer,
+                                        GLint drawbuffer,
+                                        GLfloat depth,
+                                        GLint stencil)                       = 0;
+
+    virtual const gl::InternalFormat &getImplementationColorReadFormat(
+        const gl::Context *context) const;
+    virtual angle::Result readPixels(const gl::Context *context,
+                                     const gl::Rectangle &area,
+                                     GLenum format,
+                                     GLenum type,
+                                     const gl::PixelPackState &pack,
+                                     gl::Buffer *packBuffer,
+                                     void *pixels) = 0;
+
+    virtual angle::Result blit(const gl::Context *context,
+                               const gl::Rectangle &sourceArea,
+                               const gl::Rectangle &destArea,
+                               GLbitfield mask,
+                               GLenum filter) = 0;
+
+    virtual gl::FramebufferStatus checkStatus(const gl::Context *context) const = 0;
+
+    virtual angle::Result syncState(const gl::Context *context,
+                                    GLenum binding,
+                                    const gl::Framebuffer::DirtyBits &dirtyBits,
+                                    gl::Command command) = 0;
+
+    virtual angle::Result getSamplePosition(const gl::Context *context,
+                                            size_t index,
+                                            GLfloat *xy) const = 0;
+
+    // Special configuration option for checkStatus(). Some back-ends don't require a syncState
+    // before calling checkStatus. In practice the GL back-end is the only config that needs
+    // syncState because it depends on the behaviour of the driver. Allowing the Vulkan and
+    // D3D back-ends to skip syncState lets us do more work in the syncState call.
+    virtual bool shouldSyncStateBeforeCheckStatus() const;
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+    const gl::FramebufferState &getState() const { return mState; }
+
+  protected:
+    const gl::FramebufferState &mState;
+};
+
+inline bool FramebufferImpl::shouldSyncStateBeforeCheckStatus() const
+{
+    return false;
+}
+
+// Default implementation returns the format specified in the attachment.
+inline const gl::InternalFormat &FramebufferImpl::getImplementationColorReadFormat(
+    const gl::Context *context) const
+{
+    const gl::FramebufferAttachment *readAttachment = mState.getReadAttachment();
+    return *readAttachment->getFormat().info;
+}
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_FRAMEBUFFERIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/GLImplFactory.h b/gfx/angle/checkout/src/libANGLE/renderer/GLImplFactory.h
new file mode 100644
index 0000000000..1995197b06
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/GLImplFactory.h
@@ -0,0 +1,116 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// GLImplFactory.h:
+//   Factory interface for OpenGL ES Impl objects.
+//
+
+#ifndef LIBANGLE_RENDERER_GLIMPLFACTORY_H_
+#define LIBANGLE_RENDERER_GLIMPLFACTORY_H_
+
+#include <vector>
+
+#include "angle_gl.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/Overlay.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ProgramPipeline.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/TransformFeedback.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/renderer/serial_utils.h"
+
+namespace gl
+{
+class State;
+}  // namespace gl
+
+namespace rx
+{
+class BufferImpl;
+class CompilerImpl;
+class ContextImpl;
+class FenceNVImpl;
+class SyncImpl;
+class FramebufferImpl;
+class MemoryObjectImpl;
+class OverlayImpl;
+class PathImpl;
+class ProgramImpl;
+class ProgramPipelineImpl;
+class QueryImpl;
+class RenderbufferImpl;
+class SamplerImpl;
+class SemaphoreImpl;
+class ShaderImpl;
+class TextureImpl;
+class TransformFeedbackImpl;
+class VertexArrayImpl;
+
+class GLImplFactory : angle::NonCopyable
+{
+  public:
+    GLImplFactory();
+    virtual ~GLImplFactory();
+
+    // Shader creation
+    virtual CompilerImpl *createCompiler()                           = 0;
+    virtual ShaderImpl *createShader(const gl::ShaderState &data)    = 0;
+    virtual ProgramImpl *createProgram(const gl::ProgramState &data) = 0;
+
+    // Framebuffer creation
+    virtual FramebufferImpl *createFramebuffer(const gl::FramebufferState &data) = 0;
+
+    // Texture creation
+    virtual TextureImpl *createTexture(const gl::TextureState &state) = 0;
+
+    // Renderbuffer creation
+    virtual RenderbufferImpl *createRenderbuffer(const gl::RenderbufferState &state) = 0;
+
+    // Buffer creation
+    virtual BufferImpl *createBuffer(const gl::BufferState &state) = 0;
+
+    // Vertex Array creation
+    virtual VertexArrayImpl *createVertexArray(const gl::VertexArrayState &data) = 0;
+
+    // Query and Fence creation
+    virtual QueryImpl *createQuery(gl::QueryType type) = 0;
+    virtual FenceNVImpl *createFenceNV()               = 0;
+    virtual SyncImpl *createSync()                     = 0;
+
+    // Transform Feedback creation
+    virtual TransformFeedbackImpl *createTransformFeedback(
+        const gl::TransformFeedbackState &state) = 0;
+
+    // Sampler object creation
+    virtual SamplerImpl *createSampler(const gl::SamplerState &state) = 0;
+
+    // Program Pipeline object creation
+    virtual ProgramPipelineImpl *createProgramPipeline(const gl::ProgramPipelineState &data) = 0;
+
+    // Memory object creation
+    virtual MemoryObjectImpl *createMemoryObject() = 0;
+
+    // Semaphore creation
+    virtual SemaphoreImpl *createSemaphore() = 0;
+
+    // Overlay creation
+    virtual OverlayImpl *createOverlay(const gl::OverlayState &state) = 0;
+
+    rx::Serial generateSerial() { return mSerialFactory.generate(); }
+
+  private:
+    rx::SerialFactory mSerialFactory;
+};
+
+inline GLImplFactory::GLImplFactory() = default;
+
+inline GLImplFactory::~GLImplFactory() = default;
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_GLIMPLFACTORY_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ImageImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/ImageImpl.cpp
new file mode 100644
index 0000000000..014b1d634d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ImageImpl.cpp
@@ -0,0 +1,30 @@
+//
+// Copyright 2021 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ImageImpl.cpp: Defines the rx::ImageImpl class representing the EGLimage object.
+
+#include "libANGLE/renderer/ImageImpl.h"
+
+namespace rx
+{
+
+bool ExternalImageSiblingImpl::isCubeMap() const
+{
+    return false;
+}
+
+uint32_t ExternalImageSiblingImpl::getLevelCount() const
+{
+    return 1;
+}
+
+egl::Error ImageImpl::exportVkImage(void *vkImage, void *vkImageCreateInfo)
+{
+    UNIMPLEMENTED();
+    return egl::EglBadAccess();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ImageImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/ImageImpl.h
new file mode 100644
index 0000000000..2a316610b3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ImageImpl.h
@@ -0,0 +1,68 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ImageImpl.h: Defines the rx::ImageImpl class representing the EGLimage object.
+
+#ifndef LIBANGLE_RENDERER_IMAGEIMPL_H_
+#define LIBANGLE_RENDERER_IMAGEIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace egl
+{
+class Display;
+class ImageSibling;
+struct ImageState;
+}  // namespace egl
+
+namespace rx
+{
+class ExternalImageSiblingImpl : public FramebufferAttachmentObjectImpl
+{
+  public:
+    ~ExternalImageSiblingImpl() override {}
+
+    virtual egl::Error initialize(const egl::Display *display) = 0;
+    virtual void onDestroy(const egl::Display *display) {}
+
+    virtual gl::Format getFormat() const                        = 0;
+    virtual bool isRenderable(const gl::Context *context) const = 0;
+    virtual bool isTexturable(const gl::Context *context) const = 0;
+    virtual bool isYUV() const                                  = 0;
+    virtual bool isCubeMap() const;
+    virtual bool hasProtectedContent() const = 0;
+    virtual gl::Extents getSize() const      = 0;
+    virtual size_t getSamples() const        = 0;
+    virtual uint32_t getLevelCount() const;
+};
+
+class ImageImpl : angle::NonCopyable
+{
+  public:
+    ImageImpl(const egl::ImageState &state) : mState(state) {}
+    virtual ~ImageImpl() {}
+    virtual void onDestroy(const egl::Display *display) {}
+
+    virtual egl::Error initialize(const egl::Display *display) = 0;
+
+    virtual angle::Result orphan(const gl::Context *context, egl::ImageSibling *sibling) = 0;
+
+    virtual egl::Error exportVkImage(void *vkImage, void *vkImageCreateInfo);
+
+  protected:
+    const egl::ImageState &mState;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_IMAGEIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/MemoryObjectImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/MemoryObjectImpl.h
new file mode 100644
index 0000000000..ce37dd3545
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/MemoryObjectImpl.h
@@ -0,0 +1,47 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MemoryObjectImpl.h: Implements the rx::MemoryObjectImpl class [EXT_external_objects]
+
+#ifndef LIBANGLE_RENDERER_MEMORYOBJECTIMPL_H_
+#define LIBANGLE_RENDERER_MEMORYOBJECTIMPL_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+
+namespace gl
+{
+class Context;
+class MemoryObject;
+}  // namespace gl
+
+namespace rx
+{
+
+class MemoryObjectImpl : angle::NonCopyable
+{
+  public:
+    virtual ~MemoryObjectImpl() {}
+
+    virtual void onDestroy(const gl::Context *context) = 0;
+
+    virtual angle::Result setDedicatedMemory(const gl::Context *context, bool dedicatedMemory) = 0;
+    virtual angle::Result setProtectedMemory(const gl::Context *context, bool protectedMemory) = 0;
+
+    virtual angle::Result importFd(gl::Context *context,
+                                   GLuint64 size,
+                                   gl::HandleType handleType,
+                                   GLint fd)                = 0;
+    virtual angle::Result importZirconHandle(gl::Context *context,
+                                             GLuint64 size,
+                                             gl::HandleType handleType,
+                                             GLuint handle) = 0;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_MEMORYOBJECTIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/OverlayImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/OverlayImpl.h
new file mode 100644
index 0000000000..fc1b1b0d58
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/OverlayImpl.h
@@ -0,0 +1,42 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// OverlayImpl.h: Defines the abstract rx::OverlayImpl class.
+
+#ifndef LIBANGLE_RENDERER_OVERLAYIMPL_H_
+#define LIBANGLE_RENDERER_OVERLAYIMPL_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Observer.h"
+
+#include <stdint.h>
+
+namespace gl
+{
+class Context;
+class OverlayState;
+}  // namespace gl
+
+namespace rx
+{
+class OverlayImpl : angle::NonCopyable
+{
+  public:
+    OverlayImpl(const gl::OverlayState &state) : mState(state) {}
+    virtual ~OverlayImpl() {}
+
+    virtual void onDestroy(const gl::Context *context) {}
+
+  protected:
+    const gl::OverlayState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_OVERLAYIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ProgramImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/ProgramImpl.cpp
new file mode 100644
index 0000000000..9ede4a882d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ProgramImpl.cpp
@@ -0,0 +1,18 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ProgramImpl.cpp: Implements the class methods for ProgramImpl.
+
+#include "libANGLE/renderer/ProgramImpl.h"
+
+namespace rx
+{
+
+angle::Result ProgramImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ProgramImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/ProgramImpl.h
new file mode 100644
index 0000000000..22bd304856
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ProgramImpl.h
@@ -0,0 +1,176 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramImpl.h: Defines the abstract rx::ProgramImpl class.
+
+#ifndef LIBANGLE_RENDERER_PROGRAMIMPL_H_
+#define LIBANGLE_RENDERER_PROGRAMIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/BinaryStream.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/Shader.h"
+
+#include <map>
+
+namespace gl
+{
+class Context;
+struct ProgramLinkedResources;
+}  // namespace gl
+
+namespace sh
+{
+struct BlockMemberInfo;
+}
+
+namespace rx
+{
+
+// Provides a mechanism to access the result of asynchronous linking.
+class LinkEvent : angle::NonCopyable
+{
+  public:
+    virtual ~LinkEvent() {}
+
+    // Please be aware that these methods may be called under a gl::Context other
+    // than the one where the LinkEvent was created.
+    //
+    // Waits until the linking is actually done. Returns true if the linking
+    // succeeded, false otherwise.
+    virtual angle::Result wait(const gl::Context *context) = 0;
+    // Peeks whether the linking is still ongoing.
+    virtual bool isLinking() = 0;
+};
+
+// Wraps an already done linking.
+class LinkEventDone final : public LinkEvent
+{
+  public:
+    LinkEventDone(angle::Result result) : mResult(result) {}
+    angle::Result wait(const gl::Context *context) override;
+    bool isLinking() override;
+
+  private:
+    angle::Result mResult;
+};
+
+inline angle::Result LinkEventDone::wait(const gl::Context *context)
+{
+    return mResult;
+}
+inline bool LinkEventDone::isLinking()
+{
+    return false;
+}
+
+class ProgramImpl : angle::NonCopyable
+{
+  public:
+    ProgramImpl(const gl::ProgramState &state) : mState(state) {}
+    virtual ~ProgramImpl() {}
+    virtual void destroy(const gl::Context *context) {}
+
+    virtual std::unique_ptr<LinkEvent> load(const gl::Context *context,
+                                            gl::BinaryInputStream *stream,
+                                            gl::InfoLog &infoLog)                 = 0;
+    virtual void save(const gl::Context *context, gl::BinaryOutputStream *stream) = 0;
+    virtual void setBinaryRetrievableHint(bool retrievable)                       = 0;
+    virtual void setSeparable(bool separable)                                     = 0;
+
+    virtual std::unique_ptr<LinkEvent> link(const gl::Context *context,
+                                            const gl::ProgramLinkedResources &resources,
+                                            gl::InfoLog &infoLog,
+                                            const gl::ProgramMergedVaryings &mergedVaryings) = 0;
+    virtual GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog)                   = 0;
+
+    virtual void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) = 0;
+    virtual void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) = 0;
+    virtual void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) = 0;
+    virtual void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) = 0;
+    virtual void setUniform1iv(GLint location, GLsizei count, const GLint *v)   = 0;
+    virtual void setUniform2iv(GLint location, GLsizei count, const GLint *v)   = 0;
+    virtual void setUniform3iv(GLint location, GLsizei count, const GLint *v)   = 0;
+    virtual void setUniform4iv(GLint location, GLsizei count, const GLint *v)   = 0;
+    virtual void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) = 0;
+    virtual void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) = 0;
+    virtual void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) = 0;
+    virtual void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) = 0;
+    virtual void setUniformMatrix2fv(GLint location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)                      = 0;
+    virtual void setUniformMatrix3fv(GLint location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)                      = 0;
+    virtual void setUniformMatrix4fv(GLint location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)                      = 0;
+    virtual void setUniformMatrix2x3fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)                    = 0;
+    virtual void setUniformMatrix3x2fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)                    = 0;
+    virtual void setUniformMatrix2x4fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)                    = 0;
+    virtual void setUniformMatrix4x2fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)                    = 0;
+    virtual void setUniformMatrix3x4fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)                    = 0;
+    virtual void setUniformMatrix4x3fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)                    = 0;
+
+    // Done in the back-end to avoid having to keep a system copy of uniform data.
+    virtual void getUniformfv(const gl::Context *context,
+                              GLint location,
+                              GLfloat *params) const                                           = 0;
+    virtual void getUniformiv(const gl::Context *context, GLint location, GLint *params) const = 0;
+    virtual void getUniformuiv(const gl::Context *context,
+                               GLint location,
+                               GLuint *params) const                                           = 0;
+
+    // Implementation-specific method for ignoring unreferenced uniforms. Some implementations may
+    // perform more extensive analysis and ignore some locations that ANGLE doesn't detect as
+    // unreferenced. This method is not required to be overriden by a back-end.
+    virtual void markUnusedUniformLocations(std::vector<gl::VariableLocation> *uniformLocations,
+                                            std::vector<gl::SamplerBinding> *samplerBindings,
+                                            std::vector<gl::ImageBinding> *imageBindings)
+    {}
+
+    const gl::ProgramState &getState() const { return mState; }
+
+    virtual angle::Result syncState(const gl::Context *context,
+                                    const gl::Program::DirtyBits &dirtyBits);
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+  protected:
+    const gl::ProgramState &mState;
+};
+
+inline angle::Result ProgramImpl::syncState(const gl::Context *context,
+                                            const gl::Program::DirtyBits &dirtyBits)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_PROGRAMIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ProgramPipelineImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/ProgramPipelineImpl.cpp
new file mode 100644
index 0000000000..c90fb11da0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ProgramPipelineImpl.cpp
@@ -0,0 +1,26 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramPipelineImpl.cpp: Defines the abstract rx::ProgramPipelineImpl class.
+
+#include "libANGLE/renderer/ProgramPipelineImpl.h"
+
+namespace rx
+{
+
+angle::Result ProgramPipelineImpl::link(const gl::Context *context,
+                                        const gl::ProgramMergedVaryings &mergedVaryings,
+                                        const gl::ProgramVaryingPacking &varyingPacking)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result ProgramPipelineImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ProgramPipelineImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/ProgramPipelineImpl.h
new file mode 100644
index 0000000000..7f69571a9f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ProgramPipelineImpl.h
@@ -0,0 +1,42 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramPipelineImpl.h: Defines the abstract rx::ProgramPipelineImpl class.
+
+#ifndef LIBANGLE_RENDERER_PROGRAMPIPELINEIMPL_H_
+#define LIBANGLE_RENDERER_PROGRAMPIPELINEIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/ProgramPipeline.h"
+
+namespace rx
+{
+class ContextImpl;
+
+class ProgramPipelineImpl : public angle::NonCopyable
+{
+  public:
+    ProgramPipelineImpl(const gl::ProgramPipelineState &state) : mState(state) {}
+    virtual ~ProgramPipelineImpl() {}
+    virtual void destroy(const gl::Context *context) {}
+
+    virtual angle::Result link(const gl::Context *context,
+                               const gl::ProgramMergedVaryings &mergedVaryings,
+                               const gl::ProgramVaryingPacking &varyingPacking);
+
+    virtual void onProgramUniformUpdate(gl::ShaderType shaderType) {}
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+    const gl::ProgramPipelineState &getState() const { return mState; }
+
+  protected:
+    const gl::ProgramPipelineState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_PROGRAMPIPELINEIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/QueryImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/QueryImpl.cpp
new file mode 100644
index 0000000000..ed9497e2a3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/QueryImpl.cpp
@@ -0,0 +1,21 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// QueryImpl.cpp: Defines the abstract rx::QueryImpl classes.
+
+#include "libANGLE/renderer/QueryImpl.h"
+
+namespace rx
+{
+
+void QueryImpl::onDestroy(const gl::Context *context) {}
+
+angle::Result QueryImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/QueryImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/QueryImpl.h
new file mode 100644
index 0000000000..8e5e351418
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/QueryImpl.h
@@ -0,0 +1,49 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// QueryImpl.h: Defines the abstract rx::QueryImpl class.
+
+#ifndef LIBANGLE_RENDERER_QUERYIMPL_H_
+#define LIBANGLE_RENDERER_QUERYIMPL_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class QueryImpl : angle::NonCopyable
+{
+  public:
+    explicit QueryImpl(gl::QueryType type) : mType(type) {}
+    virtual ~QueryImpl() {}
+
+    virtual void onDestroy(const gl::Context *context);
+
+    virtual angle::Result begin(const gl::Context *context)                              = 0;
+    virtual angle::Result end(const gl::Context *context)                                = 0;
+    virtual angle::Result queryCounter(const gl::Context *context)                       = 0;
+    virtual angle::Result getResult(const gl::Context *context, GLint *params)           = 0;
+    virtual angle::Result getResult(const gl::Context *context, GLuint *params)          = 0;
+    virtual angle::Result getResult(const gl::Context *context, GLint64 *params)         = 0;
+    virtual angle::Result getResult(const gl::Context *context, GLuint64 *params)        = 0;
+    virtual angle::Result isResultAvailable(const gl::Context *context, bool *available) = 0;
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+    gl::QueryType getType() const { return mType; }
+
+  protected:
+    gl::QueryType mType;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_QUERYIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/RenderTargetCache.h b/gfx/angle/checkout/src/libANGLE/renderer/RenderTargetCache.h
new file mode 100644
index 0000000000..ffc2a04492
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/RenderTargetCache.h
@@ -0,0 +1,186 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// RenderTargetCache:
+// The RenderTargetCache pattern is used in the D3D9, D3D11 and Vulkan back-ends. It is a
+// cache of the various back-end objects (RenderTargets) associated with each Framebuffer
+// attachment, be they Textures, Renderbuffers, or Surfaces. The cache is updated in Framebuffer's
+// syncState method.
+//
+
+#ifndef LIBANGLE_RENDERER_RENDER_TARGET_CACHE_H_
+#define LIBANGLE_RENDERER_RENDER_TARGET_CACHE_H_
+
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+
+namespace rx
+{
+
+template <typename RenderTargetT>
+class RenderTargetCache final : angle::NonCopyable
+{
+  public:
+    RenderTargetCache();
+    ~RenderTargetCache();
+
+    // Update all RenderTargets from the dirty bits.
+    angle::Result update(const gl::Context *context,
+                         const gl::FramebufferState &state,
+                         const gl::Framebuffer::DirtyBits &dirtyBits);
+
+    // Update individual RenderTargets.
+    angle::Result updateReadColorRenderTarget(const gl::Context *context,
+                                              const gl::FramebufferState &state);
+    angle::Result updateColorRenderTarget(const gl::Context *context,
+                                          const gl::FramebufferState &state,
+                                          size_t colorIndex);
+    angle::Result updateDepthStencilRenderTarget(const gl::Context *context,
+                                                 const gl::FramebufferState &state);
+
+    using RenderTargetArray = gl::AttachmentArray<RenderTargetT *>;
+
+    const RenderTargetArray &getColors() const;
+    RenderTargetT *getDepthStencil() const;
+
+    RenderTargetT *getColorDraw(const gl::FramebufferState &state, size_t colorIndex) const;
+    RenderTargetT *getColorRead(const gl::FramebufferState &state) const;
+
+  private:
+    angle::Result updateCachedRenderTarget(const gl::Context *context,
+                                           const gl::FramebufferAttachment *attachment,
+                                           RenderTargetT **cachedRenderTarget);
+
+    RenderTargetT *mReadRenderTarget                         = nullptr;
+    gl::AttachmentArray<RenderTargetT *> mColorRenderTargets = {};
+    // We only support a single Depth/Stencil RenderTarget currently.
+    RenderTargetT *mDepthStencilRenderTarget = nullptr;
+};
+
+template <typename RenderTargetT>
+RenderTargetCache<RenderTargetT>::RenderTargetCache() = default;
+
+template <typename RenderTargetT>
+RenderTargetCache<RenderTargetT>::~RenderTargetCache() = default;
+
+template <typename RenderTargetT>
+angle::Result RenderTargetCache<RenderTargetT>::update(const gl::Context *context,
+                                                       const gl::FramebufferState &state,
+                                                       const gl::Framebuffer::DirtyBits &dirtyBits)
+{
+    for (auto dirtyBit : dirtyBits)
+    {
+        switch (dirtyBit)
+        {
+            case gl::Framebuffer::DIRTY_BIT_DEPTH_ATTACHMENT:
+            case gl::Framebuffer::DIRTY_BIT_STENCIL_ATTACHMENT:
+                ANGLE_TRY(updateDepthStencilRenderTarget(context, state));
+                break;
+            case gl::Framebuffer::DIRTY_BIT_READ_BUFFER:
+                ANGLE_TRY(updateReadColorRenderTarget(context, state));
+                break;
+            case gl::Framebuffer::DIRTY_BIT_DRAW_BUFFERS:
+            case gl::Framebuffer::DIRTY_BIT_DEFAULT_WIDTH:
+            case gl::Framebuffer::DIRTY_BIT_DEFAULT_HEIGHT:
+            case gl::Framebuffer::DIRTY_BIT_DEFAULT_SAMPLES:
+            case gl::Framebuffer::DIRTY_BIT_DEFAULT_FIXED_SAMPLE_LOCATIONS:
+                break;
+            default:
+            {
+                static_assert(gl::Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_0 == 0, "FB dirty bits");
+                if (dirtyBit < gl::Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_MAX)
+                {
+                    size_t colorIndex = static_cast<size_t>(
+                        dirtyBit - gl::Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_0);
+                    ANGLE_TRY(updateColorRenderTarget(context, state, colorIndex));
+                }
+                break;
+            }
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+template <typename RenderTargetT>
+const gl::AttachmentArray<RenderTargetT *> &RenderTargetCache<RenderTargetT>::getColors() const
+{
+    return mColorRenderTargets;
+}
+
+template <typename RenderTargetT>
+RenderTargetT *RenderTargetCache<RenderTargetT>::getDepthStencil() const
+{
+    return mDepthStencilRenderTarget;
+}
+
+template <typename RenderTargetT>
+angle::Result RenderTargetCache<RenderTargetT>::updateReadColorRenderTarget(
+    const gl::Context *context,
+    const gl::FramebufferState &state)
+{
+    return updateCachedRenderTarget(context, state.getReadAttachment(), &mReadRenderTarget);
+}
+
+template <typename RenderTargetT>
+angle::Result RenderTargetCache<RenderTargetT>::updateColorRenderTarget(
+    const gl::Context *context,
+    const gl::FramebufferState &state,
+    size_t colorIndex)
+{
+    // If the color render target we're updating is also the read buffer, make sure we update the
+    // read render target also so it's not stale.
+    if (state.getReadBufferState() != GL_NONE && state.getReadIndex() == colorIndex)
+    {
+        ANGLE_TRY(updateReadColorRenderTarget(context, state));
+    }
+
+    return updateCachedRenderTarget(context, state.getColorAttachment(colorIndex),
+                                    &mColorRenderTargets[colorIndex]);
+}
+
+template <typename RenderTargetT>
+angle::Result RenderTargetCache<RenderTargetT>::updateDepthStencilRenderTarget(
+    const gl::Context *context,
+    const gl::FramebufferState &state)
+{
+    return updateCachedRenderTarget(context, state.getDepthOrStencilAttachment(),
+                                    &mDepthStencilRenderTarget);
+}
+
+template <typename RenderTargetT>
+angle::Result RenderTargetCache<RenderTargetT>::updateCachedRenderTarget(
+    const gl::Context *context,
+    const gl::FramebufferAttachment *attachment,
+    RenderTargetT **cachedRenderTarget)
+{
+    RenderTargetT *newRenderTarget = nullptr;
+    if (attachment)
+    {
+        ASSERT(attachment->isAttached());
+        ANGLE_TRY(attachment->getRenderTarget(context, attachment->getRenderToTextureSamples(),
+                                              &newRenderTarget));
+    }
+    *cachedRenderTarget = newRenderTarget;
+    return angle::Result::Continue;
+}
+
+template <typename RenderTargetT>
+RenderTargetT *RenderTargetCache<RenderTargetT>::getColorDraw(const gl::FramebufferState &state,
+                                                              size_t colorIndex) const
+{
+    return mColorRenderTargets[colorIndex];
+}
+
+template <typename RenderTargetT>
+RenderTargetT *RenderTargetCache<RenderTargetT>::getColorRead(
+    const gl::FramebufferState &state) const
+{
+    return mReadRenderTarget;
+}
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_RENDER_TARGET_CACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/RenderbufferImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/RenderbufferImpl.cpp
new file mode 100644
index 0000000000..c25f87e13e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/RenderbufferImpl.cpp
@@ -0,0 +1,19 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderbufferImpl.cpp: Defines the abstract rx::RenderbufferImpl class.
+
+#include "libANGLE/renderer/RenderbufferImpl.h"
+
+namespace rx
+{
+
+angle::Result RenderbufferImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/RenderbufferImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/RenderbufferImpl.h
new file mode 100644
index 0000000000..94dd7b9da7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/RenderbufferImpl.h
@@ -0,0 +1,164 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderbufferImpl.h: Defines the abstract class gl::RenderbufferImpl
+
+#ifndef LIBANGLE_RENDERER_RENDERBUFFERIMPL_H_
+#define LIBANGLE_RENDERER_RENDERBUFFERIMPL_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
+
+namespace gl
+{
+struct PixelPackState;
+class RenderbufferState;
+}  // namespace gl
+
+namespace egl
+{
+class Image;
+}  // namespace egl
+
+namespace rx
+{
+
+class RenderbufferImpl : public FramebufferAttachmentObjectImpl
+{
+  public:
+    RenderbufferImpl(const gl::RenderbufferState &state) : mState(state) {}
+    ~RenderbufferImpl() override {}
+    virtual void onDestroy(const gl::Context *context) {}
+
+    virtual angle::Result setStorage(const gl::Context *context,
+                                     GLenum internalformat,
+                                     GLsizei width,
+                                     GLsizei height)                        = 0;
+    virtual angle::Result setStorageMultisample(const gl::Context *context,
+                                                GLsizei samples,
+                                                GLenum internalformat,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                gl::MultisamplingMode mode) = 0;
+    virtual angle::Result setStorageEGLImageTarget(const gl::Context *context,
+                                                   egl::Image *image)       = 0;
+
+    virtual angle::Result copyRenderbufferSubData(const gl::Context *context,
+                                                  const gl::Renderbuffer *srcBuffer,
+                                                  GLint srcLevel,
+                                                  GLint srcX,
+                                                  GLint srcY,
+                                                  GLint srcZ,
+                                                  GLint dstLevel,
+                                                  GLint dstX,
+                                                  GLint dstY,
+                                                  GLint dstZ,
+                                                  GLsizei srcWidth,
+                                                  GLsizei srcHeight,
+                                                  GLsizei srcDepth);
+
+    virtual angle::Result copyTextureSubData(const gl::Context *context,
+                                             const gl::Texture *srcTexture,
+                                             GLint srcLevel,
+                                             GLint srcX,
+                                             GLint srcY,
+                                             GLint srcZ,
+                                             GLint dstLevel,
+                                             GLint dstX,
+                                             GLint dstY,
+                                             GLint dstZ,
+                                             GLsizei srcWidth,
+                                             GLsizei srcHeight,
+                                             GLsizei srcDepth);
+
+    virtual GLenum getColorReadFormat(const gl::Context *context);
+    virtual GLenum getColorReadType(const gl::Context *context);
+
+    virtual angle::Result getRenderbufferImage(const gl::Context *context,
+                                               const gl::PixelPackState &packState,
+                                               gl::Buffer *packBuffer,
+                                               GLenum format,
+                                               GLenum type,
+                                               void *pixels);
+
+    // Override if accurate native memory size information is available
+    virtual GLint getMemorySize() const;
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+  protected:
+    const gl::RenderbufferState &mState;
+};
+
+inline angle::Result RenderbufferImpl::copyRenderbufferSubData(const gl::Context *context,
+                                                               const gl::Renderbuffer *srcBuffer,
+                                                               GLint srcLevel,
+                                                               GLint srcX,
+                                                               GLint srcY,
+                                                               GLint srcZ,
+                                                               GLint dstLevel,
+                                                               GLint dstX,
+                                                               GLint dstY,
+                                                               GLint dstZ,
+                                                               GLsizei srcWidth,
+                                                               GLsizei srcHeight,
+                                                               GLsizei srcDepth)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+inline angle::Result RenderbufferImpl::copyTextureSubData(const gl::Context *context,
+                                                          const gl::Texture *srcTexture,
+                                                          GLint srcLevel,
+                                                          GLint srcX,
+                                                          GLint srcY,
+                                                          GLint srcZ,
+                                                          GLint dstLevel,
+                                                          GLint dstX,
+                                                          GLint dstY,
+                                                          GLint dstZ,
+                                                          GLsizei srcWidth,
+                                                          GLsizei srcHeight,
+                                                          GLsizei srcDepth)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+inline GLint RenderbufferImpl::getMemorySize() const
+{
+    return 0;
+}
+
+inline GLenum RenderbufferImpl::getColorReadFormat(const gl::Context *context)
+{
+    UNREACHABLE();
+    return GL_NONE;
+}
+
+inline GLenum RenderbufferImpl::getColorReadType(const gl::Context *context)
+{
+    UNREACHABLE();
+    return GL_NONE;
+}
+
+inline angle::Result RenderbufferImpl::getRenderbufferImage(const gl::Context *context,
+                                                            const gl::PixelPackState &packState,
+                                                            gl::Buffer *packBuffer,
+                                                            GLenum format,
+                                                            GLenum type,
+                                                            void *pixels)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_RENDERBUFFERIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SamplerImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/SamplerImpl.h
new file mode 100644
index 0000000000..2d0af8b0cc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/SamplerImpl.h
@@ -0,0 +1,44 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SamplerImpl.h: Defines the abstract rx::SamplerImpl class.
+
+#ifndef LIBANGLE_RENDERER_SAMPLERIMPL_H_
+#define LIBANGLE_RENDERER_SAMPLERIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Sampler.h"
+
+namespace gl
+{
+class Context;
+class SamplerState;
+}  // namespace gl
+
+namespace rx
+{
+
+class SamplerImpl : angle::NonCopyable
+{
+  public:
+    SamplerImpl(const gl::SamplerState &state) : mState(state) {}
+    virtual ~SamplerImpl() {}
+
+    virtual void onDestroy(const gl::Context *context)
+    {
+        // Default implementation: no-op.
+    }
+    virtual angle::Result syncState(const gl::Context *context, const bool dirty) = 0;
+
+    angle::Result onLabelUpdate(const gl::Context *context) { return angle::Result::Continue; }
+
+  protected:
+    const gl::SamplerState &mState;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SAMPLERIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SemaphoreImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/SemaphoreImpl.h
new file mode 100644
index 0000000000..5beeba0d0a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/SemaphoreImpl.h
@@ -0,0 +1,50 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// SemaphoreImpl.h: Implements the rx::SemaphoreImpl class [EXT_external_objects]
+
+#ifndef LIBANGLE_RENDERER_SEMAPHOREIMPL_H_
+#define LIBANGLE_RENDERER_SEMAPHOREIMPL_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+class Context;
+class Semaphore;
+}  // namespace gl
+
+namespace rx
+{
+
+class SemaphoreImpl : angle::NonCopyable
+{
+  public:
+    virtual ~SemaphoreImpl() {}
+
+    virtual void onDestroy(const gl::Context *context) = 0;
+
+    virtual angle::Result importFd(gl::Context *context, gl::HandleType handleType, GLint fd) = 0;
+
+    virtual angle::Result importZirconHandle(gl::Context *context,
+                                             gl::HandleType handleType,
+                                             GLuint handle) = 0;
+
+    virtual angle::Result wait(gl::Context *context,
+                               const gl::BufferBarrierVector &bufferBarriers,
+                               const gl::TextureBarrierVector &textureBarriers) = 0;
+
+    virtual angle::Result signal(gl::Context *context,
+                                 const gl::BufferBarrierVector &bufferBarriers,
+                                 const gl::TextureBarrierVector &textureBarriers) = 0;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SEMAPHOREIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.cpp
new file mode 100644
index 0000000000..eb20adcfde
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.cpp
@@ -0,0 +1,105 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderImpl.cpp: Implementation methods of ShaderImpl
+
+#include "libANGLE/renderer/ShaderImpl.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/trace.h"
+
+namespace rx
+{
+
+WaitableCompileEvent::WaitableCompileEvent(std::shared_ptr<angle::WaitableEvent> waitableEvent)
+    : mWaitableEvent(waitableEvent)
+{}
+
+WaitableCompileEvent::~WaitableCompileEvent()
+{
+    mWaitableEvent.reset();
+}
+
+void WaitableCompileEvent::wait()
+{
+    mWaitableEvent->wait();
+}
+
+bool WaitableCompileEvent::isReady()
+{
+    return mWaitableEvent->isReady();
+}
+
+const std::string &WaitableCompileEvent::getInfoLog()
+{
+    return mInfoLog;
+}
+
+class TranslateTask : public angle::Closure
+{
+  public:
+    TranslateTask(ShHandle handle, const ShCompileOptions &options, const std::string &source)
+        : mHandle(handle), mOptions(options), mSource(source), mResult(false)
+    {}
+
+    void operator()() override
+    {
+        ANGLE_TRACE_EVENT1("gpu.angle", "TranslateTask::run", "source", mSource);
+        const char *source = mSource.c_str();
+        mResult            = sh::Compile(mHandle, &source, 1, mOptions);
+    }
+
+    bool getResult() { return mResult; }
+
+    ShHandle getHandle() { return mHandle; }
+
+  private:
+    ShHandle mHandle;
+    ShCompileOptions mOptions;
+    std::string mSource;
+    bool mResult;
+};
+
+class WaitableCompileEventImpl final : public WaitableCompileEvent
+{
+  public:
+    WaitableCompileEventImpl(std::shared_ptr<angle::WaitableEvent> waitableEvent,
+                             std::shared_ptr<TranslateTask> translateTask)
+        : WaitableCompileEvent(waitableEvent), mTranslateTask(translateTask)
+    {}
+
+    bool getResult() override { return mTranslateTask->getResult(); }
+
+    bool postTranslate(std::string *infoLog) override { return true; }
+
+  private:
+    std::shared_ptr<TranslateTask> mTranslateTask;
+};
+
+std::shared_ptr<WaitableCompileEvent> ShaderImpl::compileImpl(
+    const gl::Context *context,
+    gl::ShCompilerInstance *compilerInstance,
+    const std::string &source,
+    ShCompileOptions *compileOptions)
+{
+#if defined(ANGLE_ENABLE_ASSERTS)
+    compileOptions->validateAST = true;
+#endif
+
+    auto workerThreadPool = context->getShaderCompileThreadPool();
+    auto translateTask =
+        std::make_shared<TranslateTask>(compilerInstance->getHandle(), *compileOptions, source);
+
+    return std::make_shared<WaitableCompileEventImpl>(
+        angle::WorkerThreadPool::PostWorkerTask(workerThreadPool, translateTask), translateTask);
+}
+
+angle::Result ShaderImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.h
new file mode 100644
index 0000000000..be50cc754b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.h
@@ -0,0 +1,77 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderImpl.h: Defines the abstract rx::ShaderImpl class.
+
+#ifndef LIBANGLE_RENDERER_SHADERIMPL_H_
+#define LIBANGLE_RENDERER_SHADERIMPL_H_
+
+#include <functional>
+
+#include "common/angleutils.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/WorkerThread.h"
+
+namespace gl
+{
+class ShCompilerInstance;
+}  // namespace gl
+
+namespace rx
+{
+
+using UpdateShaderStateFunctor = std::function<void(bool compiled, ShHandle handle)>;
+class WaitableCompileEvent : public angle::WaitableEvent
+{
+  public:
+    WaitableCompileEvent(std::shared_ptr<angle::WaitableEvent> waitableEvent);
+    ~WaitableCompileEvent() override;
+
+    void wait() override;
+
+    bool isReady() override;
+
+    virtual bool getResult() = 0;
+
+    virtual bool postTranslate(std::string *infoLog) = 0;
+
+    const std::string &getInfoLog();
+
+  protected:
+    std::shared_ptr<angle::WaitableEvent> mWaitableEvent;
+    std::string mInfoLog;
+};
+
+class ShaderImpl : angle::NonCopyable
+{
+  public:
+    ShaderImpl(const gl::ShaderState &state) : mState(state) {}
+    virtual ~ShaderImpl() {}
+
+    virtual void destroy() {}
+
+    virtual std::shared_ptr<WaitableCompileEvent> compile(const gl::Context *context,
+                                                          gl::ShCompilerInstance *compilerInstance,
+                                                          ShCompileOptions *options) = 0;
+
+    virtual std::string getDebugInfo() const = 0;
+
+    const gl::ShaderState &getState() const { return mState; }
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+  protected:
+    std::shared_ptr<WaitableCompileEvent> compileImpl(const gl::Context *context,
+                                                      gl::ShCompilerInstance *compilerInstance,
+                                                      const std::string &source,
+                                                      ShCompileOptions *compileOptions);
+
+    const gl::ShaderState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SHADERIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/StreamProducerImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/StreamProducerImpl.h
new file mode 100644
index 0000000000..e4a65e2812
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/StreamProducerImpl.h
@@ -0,0 +1,40 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// StreamProducerImpl.h: Defines the abstract rx::StreamProducerImpl class.
+
+#ifndef LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
+#define LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Stream.h"
+
+namespace rx
+{
+
+class StreamProducerImpl : angle::NonCopyable
+{
+  public:
+    explicit StreamProducerImpl() {}
+    virtual ~StreamProducerImpl() {}
+
+    // Validates the ability for the producer to accept an arbitrary pointer to a frame. All
+    // pointers should be validated through this function before being used to produce a frame.
+    virtual egl::Error validateD3DTexture(const void *pointer,
+                                          const egl::AttributeMap &attributes) const = 0;
+
+    // Constructs a frame from an arbitrary external pointer that points to producer specific frame
+    // data. Replaces the internal frame with the new one.
+    virtual void postD3DTexture(void *pointer, const egl::AttributeMap &attributes) = 0;
+
+    // Returns an OpenGL texture interpretation of some frame attributes for the purpose of
+    // constructing an OpenGL texture from a frame. Depending on the producer and consumer, some
+    // frames may have multiple "planes" with different OpenGL texture representations.
+    virtual egl::Stream::GLTextureDescription getGLFrameDescription(int planeIndex) = 0;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.cpp
new file mode 100644
index 0000000000..469ef6119f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.cpp
@@ -0,0 +1,158 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SurfaceImpl.cpp: Implementation of Surface stub method class
+
+#include "libANGLE/renderer/SurfaceImpl.h"
+
+namespace rx
+{
+
+SurfaceImpl::SurfaceImpl(const egl::SurfaceState &state) : mState(state) {}
+
+SurfaceImpl::~SurfaceImpl() {}
+
+egl::Error SurfaceImpl::makeCurrent(const gl::Context *context)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceImpl::unMakeCurrent(const gl::Context *context)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceImpl::prepareSwap(const gl::Context *)
+{
+    return angle::ResultToEGL(angle::Result::Continue);
+}
+
+egl::Error SurfaceImpl::swapWithDamage(const gl::Context *context,
+                                       const EGLint *rects,
+                                       EGLint n_rects)
+{
+    UNREACHABLE();
+    return egl::EglBadSurface() << "swapWithDamage implementation missing.";
+}
+
+egl::Error SurfaceImpl::setPresentationTime(EGLnsecsANDROID time)
+{
+    UNREACHABLE();
+    return egl::EglBadSurface() << "setPresentationTime implementation missing.";
+}
+
+void SurfaceImpl::setFixedWidth(EGLint width)
+{
+    UNREACHABLE();
+}
+
+void SurfaceImpl::setFixedHeight(EGLint height)
+{
+    UNREACHABLE();
+}
+
+void SurfaceImpl::setTimestampsEnabled(bool enabled)
+{
+    UNREACHABLE();
+}
+
+const angle::Format *SurfaceImpl::getD3DTextureColorFormat() const
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+egl::SupportedCompositorTimings SurfaceImpl::getSupportedCompositorTimings() const
+{
+    UNREACHABLE();
+    return egl::SupportedCompositorTimings();
+}
+
+egl::Error SurfaceImpl::getCompositorTiming(EGLint numTimestamps,
+                                            const EGLint *names,
+                                            EGLnsecsANDROID *values) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay();
+}
+
+egl::Error SurfaceImpl::getNextFrameId(EGLuint64KHR *frameId) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay();
+}
+
+egl::SupportedTimestamps SurfaceImpl::getSupportedTimestamps() const
+{
+    UNREACHABLE();
+    return egl::SupportedTimestamps();
+}
+
+egl::Error SurfaceImpl::getFrameTimestamps(EGLuint64KHR frameId,
+                                           EGLint numTimestamps,
+                                           const EGLint *timestamps,
+                                           EGLnsecsANDROID *values) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay();
+}
+
+egl::Error SurfaceImpl::swapWithFrameToken(const gl::Context *context,
+                                           EGLFrameTokenANGLE frameToken)
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay();
+}
+
+egl::Error SurfaceImpl::getUserWidth(const egl::Display *display, EGLint *value) const
+{
+    *value = getWidth();
+    return egl::NoError();
+}
+
+egl::Error SurfaceImpl::getUserHeight(const egl::Display *display, EGLint *value) const
+{
+    *value = getHeight();
+    return egl::NoError();
+}
+
+egl::Error SurfaceImpl::getBufferAge(const gl::Context *context, EGLint *age)
+{
+    *age = 0;
+    return egl::NoError();
+}
+
+egl::Error SurfaceImpl::setAutoRefreshEnabled(bool enabled)
+{
+    return egl::EglBadMatch();
+}
+
+egl::Error SurfaceImpl::lockSurface(const egl::Display *display,
+                                    EGLint usageHint,
+                                    bool preservePixels,
+                                    uint8_t **bufferPtrOut,
+                                    EGLint *bufferPitchOut)
+{
+    UNREACHABLE();
+    return egl::EglBadMatch();
+}
+
+egl::Error SurfaceImpl::unlockSurface(const egl::Display *display, bool preservePixels)
+{
+    UNREACHABLE();
+    return egl::EglBadMatch();
+}
+
+EGLint SurfaceImpl::origin() const
+{
+    return EGL_LOWER_LEFT_KHR;
+}
+
+egl::Error SurfaceImpl::setRenderBuffer(EGLint renderBuffer)
+{
+    return egl::NoError();
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.h
new file mode 100644
index 0000000000..95952d096c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.h
@@ -0,0 +1,136 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SurfaceImpl.h: Implementation methods of egl::Surface
+
+#ifndef LIBANGLE_RENDERER_SURFACEIMPL_H_
+#define LIBANGLE_RENDERER_SURFACEIMPL_H_
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
+
+namespace angle
+{
+struct Format;
+}
+
+namespace gl
+{
+class Context;
+class FramebufferState;
+}  // namespace gl
+
+namespace egl
+{
+class Display;
+struct Config;
+struct SurfaceState;
+class Thread;
+
+using SupportedTimestamps        = angle::PackedEnumBitSet<Timestamp>;
+using SupportedCompositorTimings = angle::PackedEnumBitSet<CompositorTiming>;
+}  // namespace egl
+
+namespace rx
+{
+class SurfaceImpl : public FramebufferAttachmentObjectImpl
+{
+  public:
+    SurfaceImpl(const egl::SurfaceState &surfaceState);
+    ~SurfaceImpl() override;
+    virtual void destroy(const egl::Display *display) {}
+
+    virtual egl::Error initialize(const egl::Display *display) = 0;
+    virtual egl::Error makeCurrent(const gl::Context *context);
+    virtual egl::Error unMakeCurrent(const gl::Context *context);
+    virtual egl::Error prepareSwap(const gl::Context *);
+    virtual egl::Error swap(const gl::Context *context) = 0;
+    virtual egl::Error swapWithDamage(const gl::Context *context,
+                                      const EGLint *rects,
+                                      EGLint n_rects);
+    virtual egl::Error swapWithFrameToken(const gl::Context *context,
+                                          EGLFrameTokenANGLE frameToken);
+    virtual egl::Error postSubBuffer(const gl::Context *context,
+                                     EGLint x,
+                                     EGLint y,
+                                     EGLint width,
+                                     EGLint height) = 0;
+    virtual egl::Error setPresentationTime(EGLnsecsANDROID time);
+    virtual egl::Error querySurfacePointerANGLE(EGLint attribute, void **value)               = 0;
+    virtual egl::Error bindTexImage(const gl::Context *context,
+                                    gl::Texture *texture,
+                                    EGLint buffer)                                            = 0;
+    virtual egl::Error releaseTexImage(const gl::Context *context, EGLint buffer)             = 0;
+    virtual egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) = 0;
+    virtual egl::Error getMscRate(EGLint *numerator, EGLint *denominator)                     = 0;
+    virtual void setSwapInterval(EGLint interval)                                             = 0;
+    virtual void setFixedWidth(EGLint width);
+    virtual void setFixedHeight(EGLint height);
+
+    // width and height can change with client window resizing
+    virtual EGLint getWidth() const  = 0;
+    virtual EGLint getHeight() const = 0;
+    // Note: windows cannot be resized on Android.  The approach requires
+    // calling vkGetPhysicalDeviceSurfaceCapabilitiesKHR.  However, that is
+    // expensive; and there are troublesome timing issues for other parts of
+    // ANGLE (which cause test failures and crashes).  Therefore, a
+    // special-Android-only path is created just for the querying of EGL_WIDTH
+    // and EGL_HEIGHT.
+    // https://issuetracker.google.com/issues/153329980
+    virtual egl::Error getUserWidth(const egl::Display *display, EGLint *value) const;
+    virtual egl::Error getUserHeight(const egl::Display *display, EGLint *value) const;
+
+    virtual EGLint isPostSubBufferSupported() const = 0;
+    virtual EGLint getSwapBehavior() const          = 0;
+
+    virtual egl::Error attachToFramebuffer(const gl::Context *context,
+                                           gl::Framebuffer *framebuffer)   = 0;
+    virtual egl::Error detachFromFramebuffer(const gl::Context *context,
+                                             gl::Framebuffer *framebuffer) = 0;
+
+    // Used to query color format from pbuffers created from D3D textures.
+    virtual const angle::Format *getD3DTextureColorFormat() const;
+
+    // EGL_ANDROID_get_frame_timestamps
+    virtual void setTimestampsEnabled(bool enabled);
+    virtual egl::SupportedCompositorTimings getSupportedCompositorTimings() const;
+    virtual egl::Error getCompositorTiming(EGLint numTimestamps,
+                                           const EGLint *names,
+                                           EGLnsecsANDROID *values) const;
+    virtual egl::Error getNextFrameId(EGLuint64KHR *frameId) const;
+    virtual egl::SupportedTimestamps getSupportedTimestamps() const;
+    virtual egl::Error getFrameTimestamps(EGLuint64KHR frameId,
+                                          EGLint numTimestamps,
+                                          const EGLint *timestamps,
+                                          EGLnsecsANDROID *values) const;
+    virtual egl::Error getBufferAge(const gl::Context *context, EGLint *age);
+
+    // EGL_ANDROID_front_buffer_auto_refresh
+    virtual egl::Error setAutoRefreshEnabled(bool enabled);
+
+    // EGL_KHR_lock_surface3
+    virtual egl::Error lockSurface(const egl::Display *display,
+                                   EGLint usageHint,
+                                   bool preservePixels,
+                                   uint8_t **bufferPtrOut,
+                                   EGLint *bufferPitchOut);
+    virtual egl::Error unlockSurface(const egl::Display *display, bool preservePixels);
+    virtual EGLint origin() const;
+
+    virtual egl::Error setRenderBuffer(EGLint renderBuffer);
+
+  protected:
+    const egl::SurfaceState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SURFACEIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SyncImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/SyncImpl.h
new file mode 100644
index 0000000000..59811a62d7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/SyncImpl.h
@@ -0,0 +1,45 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SyncImpl.h: Defines the rx::SyncImpl class.
+
+#ifndef LIBANGLE_RENDERER_FENCESYNCIMPL_H_
+#define LIBANGLE_RENDERER_FENCESYNCIMPL_H_
+
+#include "libANGLE/Error.h"
+
+#include "common/angleutils.h"
+
+#include "angle_gl.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class SyncImpl : angle::NonCopyable
+{
+  public:
+    SyncImpl() {}
+    virtual ~SyncImpl() {}
+
+    virtual void onDestroy(const gl::Context *context) {}
+
+    virtual angle::Result set(const gl::Context *context, GLenum condition, GLbitfield flags) = 0;
+    virtual angle::Result clientWait(const gl::Context *context,
+                                     GLbitfield flags,
+                                     GLuint64 timeout,
+                                     GLenum *outResult)                                       = 0;
+    virtual angle::Result serverWait(const gl::Context *context,
+                                     GLbitfield flags,
+                                     GLuint64 timeout)                                        = 0;
+    virtual angle::Result getStatus(const gl::Context *context, GLint *outResult)             = 0;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_FENCESYNCIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/TextureImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/TextureImpl.cpp
new file mode 100644
index 0000000000..7e69330e27
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/TextureImpl.cpp
@@ -0,0 +1,200 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureImpl.cpp: Defines the abstract rx::TextureImpl classes.
+
+#include "libANGLE/renderer/TextureImpl.h"
+
+namespace rx
+{
+TextureImpl::TextureImpl(const gl::TextureState &state) : mState(state) {}
+
+TextureImpl::~TextureImpl() {}
+
+void TextureImpl::onDestroy(const gl::Context *context) {}
+
+angle::Result TextureImpl::copyTexture(const gl::Context *context,
+                                       const gl::ImageIndex &index,
+                                       GLenum internalFormat,
+                                       GLenum type,
+                                       GLint sourceLevel,
+                                       bool unpackFlipY,
+                                       bool unpackPremultiplyAlpha,
+                                       bool unpackUnmultiplyAlpha,
+                                       const gl::Texture *source)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::copySubTexture(const gl::Context *context,
+                                          const gl::ImageIndex &index,
+                                          const gl::Offset &destOffset,
+                                          GLint sourceLevel,
+                                          const gl::Box &sourceBox,
+                                          bool unpackFlipY,
+                                          bool unpackPremultiplyAlpha,
+                                          bool unpackUnmultiplyAlpha,
+                                          const gl::Texture *source)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::copyRenderbufferSubData(const gl::Context *context,
+                                                   const gl::Renderbuffer *srcBuffer,
+                                                   GLint srcLevel,
+                                                   GLint srcX,
+                                                   GLint srcY,
+                                                   GLint srcZ,
+                                                   GLint dstLevel,
+                                                   GLint dstX,
+                                                   GLint dstY,
+                                                   GLint dstZ,
+                                                   GLsizei srcWidth,
+                                                   GLsizei srcHeight,
+                                                   GLsizei srcDepth)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::copyTextureSubData(const gl::Context *context,
+                                              const gl::Texture *srcTexture,
+                                              GLint srcLevel,
+                                              GLint srcX,
+                                              GLint srcY,
+                                              GLint srcZ,
+                                              GLint dstLevel,
+                                              GLint dstX,
+                                              GLint dstY,
+                                              GLint dstZ,
+                                              GLsizei srcWidth,
+                                              GLsizei srcHeight,
+                                              GLsizei srcDepth)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::copyCompressedTexture(const gl::Context *context,
+                                                 const gl::Texture *source)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::copy3DTexture(const gl::Context *context,
+                                         gl::TextureTarget target,
+                                         GLenum internalFormat,
+                                         GLenum type,
+                                         GLint sourceLevel,
+                                         GLint destLevel,
+                                         bool unpackFlipY,
+                                         bool unpackPremultiplyAlpha,
+                                         bool unpackUnmultiplyAlpha,
+                                         const gl::Texture *source)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::copy3DSubTexture(const gl::Context *context,
+                                            const gl::TextureTarget target,
+                                            const gl::Offset &destOffset,
+                                            GLint sourceLevel,
+                                            GLint destLevel,
+                                            const gl::Box &srcBox,
+                                            bool unpackFlipY,
+                                            bool unpackPremultiplyAlpha,
+                                            bool unpackUnmultiplyAlpha,
+                                            const gl::Texture *source)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::setImageExternal(const gl::Context *context,
+                                            const gl::ImageIndex &index,
+                                            GLenum internalFormat,
+                                            const gl::Extents &size,
+                                            GLenum format,
+                                            GLenum type)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::setBuffer(const gl::Context *context, GLenum internalFormat)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+GLint TextureImpl::getMemorySize() const
+{
+    return 0;
+}
+
+GLint TextureImpl::getLevelMemorySize(gl::TextureTarget target, GLint level)
+{
+    return 0;
+}
+
+GLint TextureImpl::getNativeID() const
+{
+    UNREACHABLE();
+    return 0;
+}
+
+GLenum TextureImpl::getColorReadFormat(const gl::Context *context)
+{
+    UNREACHABLE();
+    return GL_NONE;
+}
+
+GLenum TextureImpl::getColorReadType(const gl::Context *context)
+{
+    UNREACHABLE();
+    return GL_NONE;
+}
+
+angle::Result TextureImpl::getTexImage(const gl::Context *context,
+                                       const gl::PixelPackState &packState,
+                                       gl::Buffer *packBuffer,
+                                       gl::TextureTarget target,
+                                       GLint level,
+                                       GLenum format,
+                                       GLenum type,
+                                       void *pixels)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result TextureImpl::getCompressedTexImage(const gl::Context *context,
+                                                 const gl::PixelPackState &packState,
+                                                 gl::Buffer *packBuffer,
+                                                 gl::TextureTarget target,
+                                                 GLint level,
+                                                 void *pixels)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+GLint TextureImpl::getRequiredExternalTextureImageUnits(const gl::Context *context)
+{
+    UNREACHABLE();
+    return 0;
+}
+
+angle::Result TextureImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/TextureImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/TextureImpl.h
new file mode 100644
index 0000000000..368fba09c5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/TextureImpl.h
@@ -0,0 +1,254 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureImpl.h: Defines the abstract rx::TextureImpl classes.
+
+#ifndef LIBANGLE_RENDERER_TEXTUREIMPL_H_
+#define LIBANGLE_RENDERER_TEXTUREIMPL_H_
+
+#include <stdint.h>
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/Stream.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
+
+namespace egl
+{
+class Surface;
+class Image;
+}  // namespace egl
+
+namespace gl
+{
+class Framebuffer;
+class MemoryObject;
+struct PixelUnpackState;
+class TextureState;
+}  // namespace gl
+
+namespace rx
+{
+class ContextImpl;
+
+class TextureImpl : public FramebufferAttachmentObjectImpl
+{
+  public:
+    TextureImpl(const gl::TextureState &state);
+    ~TextureImpl() override;
+
+    virtual void onDestroy(const gl::Context *context);
+
+    virtual angle::Result setImage(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLenum internalFormat,
+                                   const gl::Extents &size,
+                                   GLenum format,
+                                   GLenum type,
+                                   const gl::PixelUnpackState &unpack,
+                                   gl::Buffer *unpackBuffer,
+                                   const uint8_t *pixels)    = 0;
+    virtual angle::Result setSubImage(const gl::Context *context,
+                                      const gl::ImageIndex &index,
+                                      const gl::Box &area,
+                                      GLenum format,
+                                      GLenum type,
+                                      const gl::PixelUnpackState &unpack,
+                                      gl::Buffer *unpackBuffer,
+                                      const uint8_t *pixels) = 0;
+
+    virtual angle::Result setCompressedImage(const gl::Context *context,
+                                             const gl::ImageIndex &index,
+                                             GLenum internalFormat,
+                                             const gl::Extents &size,
+                                             const gl::PixelUnpackState &unpack,
+                                             size_t imageSize,
+                                             const uint8_t *pixels)    = 0;
+    virtual angle::Result setCompressedSubImage(const gl::Context *context,
+                                                const gl::ImageIndex &index,
+                                                const gl::Box &area,
+                                                GLenum format,
+                                                const gl::PixelUnpackState &unpack,
+                                                size_t imageSize,
+                                                const uint8_t *pixels) = 0;
+
+    virtual angle::Result copyImage(const gl::Context *context,
+                                    const gl::ImageIndex &index,
+                                    const gl::Rectangle &sourceArea,
+                                    GLenum internalFormat,
+                                    gl::Framebuffer *source)    = 0;
+    virtual angle::Result copySubImage(const gl::Context *context,
+                                       const gl::ImageIndex &index,
+                                       const gl::Offset &destOffset,
+                                       const gl::Rectangle &sourceArea,
+                                       gl::Framebuffer *source) = 0;
+
+    virtual angle::Result copyTexture(const gl::Context *context,
+                                      const gl::ImageIndex &index,
+                                      GLenum internalFormat,
+                                      GLenum type,
+                                      GLint sourceLevel,
+                                      bool unpackFlipY,
+                                      bool unpackPremultiplyAlpha,
+                                      bool unpackUnmultiplyAlpha,
+                                      const gl::Texture *source);
+    virtual angle::Result copySubTexture(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         const gl::Offset &destOffset,
+                                         GLint sourceLevel,
+                                         const gl::Box &sourceBox,
+                                         bool unpackFlipY,
+                                         bool unpackPremultiplyAlpha,
+                                         bool unpackUnmultiplyAlpha,
+                                         const gl::Texture *source);
+
+    virtual angle::Result copyRenderbufferSubData(const gl::Context *context,
+                                                  const gl::Renderbuffer *srcBuffer,
+                                                  GLint srcLevel,
+                                                  GLint srcX,
+                                                  GLint srcY,
+                                                  GLint srcZ,
+                                                  GLint dstLevel,
+                                                  GLint dstX,
+                                                  GLint dstY,
+                                                  GLint dstZ,
+                                                  GLsizei srcWidth,
+                                                  GLsizei srcHeight,
+                                                  GLsizei srcDepth);
+
+    virtual angle::Result copyTextureSubData(const gl::Context *context,
+                                             const gl::Texture *srcTexture,
+                                             GLint srcLevel,
+                                             GLint srcX,
+                                             GLint srcY,
+                                             GLint srcZ,
+                                             GLint dstLevel,
+                                             GLint dstX,
+                                             GLint dstY,
+                                             GLint dstZ,
+                                             GLsizei srcWidth,
+                                             GLsizei srcHeight,
+                                             GLsizei srcDepth);
+
+    virtual angle::Result copyCompressedTexture(const gl::Context *context,
+                                                const gl::Texture *source);
+
+    virtual angle::Result copy3DTexture(const gl::Context *context,
+                                        gl::TextureTarget target,
+                                        GLenum internalFormat,
+                                        GLenum type,
+                                        GLint sourceLevel,
+                                        GLint destLevel,
+                                        bool unpackFlipY,
+                                        bool unpackPremultiplyAlpha,
+                                        bool unpackUnmultiplyAlpha,
+                                        const gl::Texture *source);
+    virtual angle::Result copy3DSubTexture(const gl::Context *context,
+                                           const gl::TextureTarget target,
+                                           const gl::Offset &destOffset,
+                                           GLint sourceLevel,
+                                           GLint destLevel,
+                                           const gl::Box &srcBox,
+                                           bool unpackFlipY,
+                                           bool unpackPremultiplyAlpha,
+                                           bool unpackUnmultiplyAlpha,
+                                           const gl::Texture *source);
+
+    virtual angle::Result setStorage(const gl::Context *context,
+                                     gl::TextureType type,
+                                     size_t levels,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size) = 0;
+
+    virtual angle::Result setStorageMultisample(const gl::Context *context,
+                                                gl::TextureType type,
+                                                GLsizei samples,
+                                                GLint internalformat,
+                                                const gl::Extents &size,
+                                                bool fixedSampleLocations) = 0;
+
+    virtual angle::Result setStorageExternalMemory(const gl::Context *context,
+                                                   gl::TextureType type,
+                                                   size_t levels,
+                                                   GLenum internalFormat,
+                                                   const gl::Extents &size,
+                                                   gl::MemoryObject *memoryObject,
+                                                   GLuint64 offset,
+                                                   GLbitfield createFlags,
+                                                   GLbitfield usageFlags,
+                                                   const void *imageCreateInfoPNext) = 0;
+
+    virtual angle::Result setImageExternal(const gl::Context *context,
+                                           const gl::ImageIndex &index,
+                                           GLenum internalFormat,
+                                           const gl::Extents &size,
+                                           GLenum format,
+                                           GLenum type);
+
+    virtual angle::Result setEGLImageTarget(const gl::Context *context,
+                                            gl::TextureType type,
+                                            egl::Image *image) = 0;
+
+    virtual angle::Result setImageExternal(const gl::Context *context,
+                                           gl::TextureType type,
+                                           egl::Stream *stream,
+                                           const egl::Stream::GLTextureDescription &desc) = 0;
+
+    virtual angle::Result setBuffer(const gl::Context *context, GLenum internalFormat);
+
+    virtual angle::Result generateMipmap(const gl::Context *context) = 0;
+
+    virtual angle::Result setBaseLevel(const gl::Context *context, GLuint baseLevel) = 0;
+
+    virtual angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) = 0;
+    virtual angle::Result releaseTexImage(const gl::Context *context)                     = 0;
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+    // Override if accurate native memory size information is available
+    virtual GLint getMemorySize() const;
+    virtual GLint getLevelMemorySize(gl::TextureTarget target, GLint level);
+
+    virtual GLint getNativeID() const;
+
+    virtual angle::Result syncState(const gl::Context *context,
+                                    const gl::Texture::DirtyBits &dirtyBits,
+                                    gl::Command source) = 0;
+
+    virtual GLenum getColorReadFormat(const gl::Context *context);
+    virtual GLenum getColorReadType(const gl::Context *context);
+
+    virtual angle::Result getTexImage(const gl::Context *context,
+                                      const gl::PixelPackState &packState,
+                                      gl::Buffer *packBuffer,
+                                      gl::TextureTarget target,
+                                      GLint level,
+                                      GLenum format,
+                                      GLenum type,
+                                      void *pixels);
+
+    virtual angle::Result getCompressedTexImage(const gl::Context *context,
+                                                const gl::PixelPackState &packState,
+                                                gl::Buffer *packBuffer,
+                                                gl::TextureTarget target,
+                                                GLint level,
+                                                void *pixels);
+
+    virtual GLint getRequiredExternalTextureImageUnits(const gl::Context *context);
+
+    const gl::TextureState &getState() const { return mState; }
+
+  protected:
+    const gl::TextureState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_TEXTUREIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.cpp
new file mode 100644
index 0000000000..183c496025
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.cpp
@@ -0,0 +1,19 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TransformFeedbackImpl.cpp: Defines the abstract rx::TransformFeedbackImpl class.
+
+#include "libANGLE/renderer/TransformFeedbackImpl.h"
+
+namespace rx
+{
+
+angle::Result TransformFeedbackImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.h
new file mode 100644
index 0000000000..75ef6fdbf8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.h
@@ -0,0 +1,42 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TransformFeedbackImpl.h: Defines the abstract rx::TransformFeedbackImpl class.
+
+#ifndef LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
+#define LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/TransformFeedback.h"
+
+namespace rx
+{
+
+class TransformFeedbackImpl : angle::NonCopyable
+{
+  public:
+    TransformFeedbackImpl(const gl::TransformFeedbackState &state) : mState(state) {}
+    virtual ~TransformFeedbackImpl() {}
+    virtual void onDestroy(const gl::Context *context) {}
+
+    virtual angle::Result begin(const gl::Context *context, gl::PrimitiveMode primitiveMode) = 0;
+    virtual angle::Result end(const gl::Context *context)                                    = 0;
+    virtual angle::Result pause(const gl::Context *context)                                  = 0;
+    virtual angle::Result resume(const gl::Context *context)                                 = 0;
+
+    virtual angle::Result bindIndexedBuffer(
+        const gl::Context *context,
+        size_t index,
+        const gl::OffsetBindingPointer<gl::Buffer> &binding) = 0;
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+  protected:
+    const gl::TransformFeedbackState &mState;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/VertexArrayImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/VertexArrayImpl.cpp
new file mode 100644
index 0000000000..b7cac20f78
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/VertexArrayImpl.cpp
@@ -0,0 +1,18 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// VertexArrayImpl.cpp: Implements the class methods for VertexArrayImpl.
+
+#include "libANGLE/renderer/VertexArrayImpl.h"
+
+namespace rx
+{
+
+angle::Result VertexArrayImpl::onLabelUpdate(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/VertexArrayImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/VertexArrayImpl.h
new file mode 100644
index 0000000000..8e33c901c2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/VertexArrayImpl.h
@@ -0,0 +1,70 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexAttribImpl.h: Defines the abstract rx::VertexAttribImpl class.
+
+#ifndef LIBANGLE_RENDERER_VERTEXARRAYIMPL_H_
+#define LIBANGLE_RENDERER_VERTEXARRAYIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/VertexArray.h"
+
+// This is a helper X macro for iterating over all dirty attribs/bindings. Useful for dirty bits.
+static_assert(gl::MAX_VERTEX_ATTRIBS == 16, "Invalid max vertex attribs");
+static_assert(gl::MAX_VERTEX_ATTRIB_BINDINGS == 16, "Invalid max vertex bindings");
+#define ANGLE_VERTEX_INDEX_CASES(FUNC) \
+    FUNC(0)                            \
+    FUNC(1)                            \
+    FUNC(2)                            \
+    FUNC(3)                            \
+    FUNC(4)                            \
+    FUNC(5) FUNC(6) FUNC(7) FUNC(8) FUNC(9) FUNC(10) FUNC(11) FUNC(12) FUNC(13) FUNC(14) FUNC(15)
+
+namespace rx
+{
+class ContextImpl;
+
+class VertexArrayImpl : angle::NonCopyable
+{
+  public:
+    VertexArrayImpl(const gl::VertexArrayState &state) : mState(state) {}
+
+    // It's up to the implementation to reset the attrib and binding dirty bits.
+    // This is faster than the front-end having to clear all the bits after they have been scanned.
+    virtual angle::Result syncState(const gl::Context *context,
+                                    const gl::VertexArray::DirtyBits &dirtyBits,
+                                    gl::VertexArray::DirtyAttribBitsArray *attribBits,
+                                    gl::VertexArray::DirtyBindingBitsArray *bindingBits);
+
+    virtual void destroy(const gl::Context *context) {}
+    virtual ~VertexArrayImpl() {}
+
+    const gl::VertexArrayState &getState() const { return mState; }
+
+    void setContentsObservers(gl::VertexArrayBufferContentsObservers *observers)
+    {
+        mContentsObservers = observers;
+    }
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+  protected:
+    const gl::VertexArrayState &mState;
+    gl::VertexArrayBufferContentsObservers *mContentsObservers = nullptr;
+};
+
+inline angle::Result VertexArrayImpl::syncState(const gl::Context *context,
+                                                const gl::VertexArray::DirtyBits &dirtyBits,
+                                                gl::VertexArray::DirtyAttribBitsArray *attribBits,
+                                                gl::VertexArray::DirtyBindingBitsArray *bindingBits)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_VERTEXARRAYIMPL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/copyvertex.h b/gfx/angle/checkout/src/libANGLE/renderer/copyvertex.h
new file mode 100644
index 0000000000..54624bb29b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/copyvertex.h
@@ -0,0 +1,80 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// copyvertex.h: Defines vertex buffer copying and conversion functions
+
+#ifndef LIBANGLE_RENDERER_COPYVERTEX_H_
+#define LIBANGLE_RENDERER_COPYVERTEX_H_
+
+#include "common/mathutil.h"
+
+namespace rx
+{
+
+using VertexCopyFunction = void (*)(const uint8_t *input,
+                                    size_t stride,
+                                    size_t count,
+                                    uint8_t *output);
+
+// 'alphaDefaultValueBits' gives the default value for the alpha channel (4th component)
+template <typename T,
+          size_t inputComponentCount,
+          size_t outputComponentCount,
+          uint32_t alphaDefaultValueBits>
+void CopyNativeVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+void Copy8SintTo16SintVertexData(const uint8_t *input,
+                                 size_t stride,
+                                 size_t count,
+                                 uint8_t *output);
+
+template <size_t componentCount>
+void Copy8SnormTo16SnormVertexData(const uint8_t *input,
+                                   size_t stride,
+                                   size_t count,
+                                   uint8_t *output);
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+void Copy32FixedTo32FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
+
+template <typename T,
+          size_t inputComponentCount,
+          size_t outputComponentCount,
+          bool normalized,
+          bool toHalf>
+void CopyToFloatVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+void Copy32FTo16FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
+
+void CopyXYZ32FToXYZ9E5(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
+
+void CopyXYZ32FToX11Y11B10F(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
+
+template <bool isSigned, bool normalized, bool toFloat, bool toHalf>
+void CopyXYZ10W2ToXYZWFloatVertexData(const uint8_t *input,
+                                      size_t stride,
+                                      size_t count,
+                                      uint8_t *output);
+
+template <bool isSigned, bool normalized, bool toHalf>
+void CopyXYZ10ToXYZWFloatVertexData(const uint8_t *input,
+                                    size_t stride,
+                                    size_t count,
+                                    uint8_t *output);
+
+template <bool isSigned, bool normalized, bool toHalf>
+void CopyW2XYZ10ToXYZWFloatVertexData(const uint8_t *input,
+                                      size_t stride,
+                                      size_t count,
+                                      uint8_t *output);
+
+}  // namespace rx
+
+#include "copyvertex.inc.h"
+
+#endif  // LIBANGLE_RENDERER_COPYVERTEX_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/copyvertex.inc.h b/gfx/angle/checkout/src/libANGLE/renderer/copyvertex.inc.h
new file mode 100644
index 0000000000..3f1844e91c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/copyvertex.inc.h
@@ -0,0 +1,635 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// copyvertex.inc.h: Implementation of vertex buffer copying and conversion functions
+
+namespace rx
+{
+
+// Returns an aligned buffer to read the input from
+template <typename T, size_t inputComponentCount>
+inline const T *GetAlignedOffsetInput(const T *offsetInput, T *alignedElement)
+{
+    if (reinterpret_cast<uintptr_t>(offsetInput) % sizeof(T) != 0)
+    {
+        // Applications may pass in arbitrarily aligned buffers as input.
+        // Certain architectures have restrictions regarding unaligned reads. Specifically, we crash
+        // on armeabi-v7a devices with a SIGBUS error when performing such operations. arm64 and
+        // x86-64 devices do not appear to have such issues.
+        //
+        // The workaround is to detect if the input buffer is unaligned and if so, perform a
+        // byte-wise copy of the unaligned portion and a memcpy of the rest of the buffer.
+        uint8_t *alignedBuffer               = reinterpret_cast<uint8_t *>(&alignedElement[0]);
+        uintptr_t unalignedInputStartAddress = reinterpret_cast<uintptr_t>(offsetInput);
+        constexpr size_t kAlignmentMinusOne  = sizeof(T) - 1;
+        uintptr_t alignedInputStartAddress =
+            (reinterpret_cast<uintptr_t>(offsetInput) + kAlignmentMinusOne) & ~(kAlignmentMinusOne);
+        ASSERT(alignedInputStartAddress >= unalignedInputStartAddress);
+
+        const size_t totalBytesToCopy     = sizeof(T) * inputComponentCount;
+        const size_t unalignedBytesToCopy = alignedInputStartAddress - unalignedInputStartAddress;
+        ASSERT(totalBytesToCopy >= unalignedBytesToCopy);
+
+        // byte-wise copy of unaligned portion
+        for (size_t i = 0; i < unalignedBytesToCopy; i++)
+        {
+            alignedBuffer[i] = reinterpret_cast<const uint8_t *>(&offsetInput[0])[i];
+        }
+
+        // memcpy remaining buffer
+        memcpy(&alignedBuffer[unalignedBytesToCopy],
+               &reinterpret_cast<const uint8_t *>(&offsetInput[0])[unalignedBytesToCopy],
+               totalBytesToCopy - unalignedBytesToCopy);
+
+        return alignedElement;
+    }
+    else
+    {
+        return offsetInput;
+    }
+}
+
+template <typename T,
+          size_t inputComponentCount,
+          size_t outputComponentCount,
+          uint32_t alphaDefaultValueBits>
+inline void CopyNativeVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    const size_t attribSize = sizeof(T) * inputComponentCount;
+
+    if (attribSize == stride && inputComponentCount == outputComponentCount)
+    {
+        memcpy(output, input, count * attribSize);
+        return;
+    }
+
+    if (inputComponentCount == outputComponentCount)
+    {
+        for (size_t i = 0; i < count; i++)
+        {
+            const T *offsetInput = reinterpret_cast<const T *>(input + (i * stride));
+            T offsetInputAligned[inputComponentCount];
+            offsetInput =
+                GetAlignedOffsetInput<T, inputComponentCount>(offsetInput, &offsetInputAligned[0]);
+
+            T *offsetOutput = reinterpret_cast<T *>(output) + i * outputComponentCount;
+
+            memcpy(offsetOutput, offsetInput, attribSize);
+        }
+        return;
+    }
+
+    const T defaultAlphaValue                = gl::bitCast<T>(alphaDefaultValueBits);
+    const size_t lastNonAlphaOutputComponent = std::min<size_t>(outputComponentCount, 3);
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const T *offsetInput = reinterpret_cast<const T *>(input + (i * stride));
+        T offsetInputAligned[inputComponentCount];
+        ASSERT(sizeof(offsetInputAligned) == attribSize);
+        offsetInput =
+            GetAlignedOffsetInput<T, inputComponentCount>(offsetInput, &offsetInputAligned[0]);
+
+        T *offsetOutput = reinterpret_cast<T *>(output) + i * outputComponentCount;
+
+        memcpy(offsetOutput, offsetInput, attribSize);
+
+        if (inputComponentCount < lastNonAlphaOutputComponent)
+        {
+            // Set the remaining G/B channels to 0.
+            size_t numComponents = (lastNonAlphaOutputComponent - inputComponentCount);
+            memset(&offsetOutput[inputComponentCount], 0, numComponents * sizeof(T));
+        }
+
+        if (inputComponentCount < outputComponentCount && outputComponentCount == 4)
+        {
+            // Set the remaining alpha channel to the defaultAlphaValue.
+            offsetOutput[3] = defaultAlphaValue;
+        }
+    }
+}
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+inline void Copy8SintTo16SintVertexData(const uint8_t *input,
+                                        size_t stride,
+                                        size_t count,
+                                        uint8_t *output)
+{
+    const size_t lastNonAlphaOutputComponent = std::min<size_t>(outputComponentCount, 3);
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const GLbyte *offsetInput = reinterpret_cast<const GLbyte *>(input + i * stride);
+        GLshort *offsetOutput     = reinterpret_cast<GLshort *>(output) + i * outputComponentCount;
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            offsetOutput[j] = static_cast<GLshort>(offsetInput[j]);
+        }
+
+        for (size_t j = inputComponentCount; j < lastNonAlphaOutputComponent; j++)
+        {
+            // Set remaining G/B channels to 0.
+            offsetOutput[j] = 0;
+        }
+
+        if (inputComponentCount < outputComponentCount && outputComponentCount == 4)
+        {
+            // On integer formats, we must set the Alpha channel to 1 if it's unused.
+            offsetOutput[3] = 1;
+        }
+    }
+}
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+inline void Copy8SnormTo16SnormVertexData(const uint8_t *input,
+                                          size_t stride,
+                                          size_t count,
+                                          uint8_t *output)
+{
+    for (size_t i = 0; i < count; i++)
+    {
+        const GLbyte *offsetInput = reinterpret_cast<const GLbyte *>(input + i * stride);
+        GLshort *offsetOutput     = reinterpret_cast<GLshort *>(output) + i * outputComponentCount;
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            // The original GLbyte value ranges from -128 to +127 (INT8_MAX).
+            // When converted to GLshort, the value must be scaled to between -32768 and +32767
+            // (INT16_MAX).
+            if (offsetInput[j] > 0)
+            {
+                offsetOutput[j] =
+                    offsetInput[j] << 8 | offsetInput[j] << 1 | ((offsetInput[j] & 0x40) >> 6);
+            }
+            else
+            {
+                offsetOutput[j] = offsetInput[j] << 8;
+            }
+        }
+
+        for (size_t j = inputComponentCount; j < std::min<size_t>(outputComponentCount, 3); j++)
+        {
+            // Set remaining G/B channels to 0.
+            offsetOutput[j] = 0;
+        }
+
+        if (inputComponentCount < outputComponentCount && outputComponentCount == 4)
+        {
+            // On normalized formats, we must set the Alpha channel to the max value if it's unused.
+            offsetOutput[3] = INT16_MAX;
+        }
+    }
+}
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+inline void Copy32FixedTo32FVertexData(const uint8_t *input,
+                                       size_t stride,
+                                       size_t count,
+                                       uint8_t *output)
+{
+    static const float divisor = 1.0f / (1 << 16);
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const uint8_t *offsetInput = input + i * stride;
+        float *offsetOutput        = reinterpret_cast<float *>(output) + i * outputComponentCount;
+
+        // GLfixed access must be 4-byte aligned on arm32, input and stride sometimes are not
+        if (reinterpret_cast<uintptr_t>(offsetInput) % sizeof(GLfixed) == 0)
+        {
+            for (size_t j = 0; j < inputComponentCount; j++)
+            {
+                offsetOutput[j] =
+                    static_cast<float>(reinterpret_cast<const GLfixed *>(offsetInput)[j]) * divisor;
+            }
+        }
+        else
+        {
+            for (size_t j = 0; j < inputComponentCount; j++)
+            {
+                GLfixed alignedInput;
+                memcpy(&alignedInput, offsetInput + j * sizeof(GLfixed), sizeof(GLfixed));
+                offsetOutput[j] = static_cast<float>(alignedInput) * divisor;
+            }
+        }
+
+        // 4-component output formats would need special padding in the alpha channel.
+        static_assert(!(inputComponentCount < 4 && outputComponentCount == 4),
+                      "An inputComponentCount less than 4 and an outputComponentCount equal to 4 "
+                      "is not supported.");
+
+        for (size_t j = inputComponentCount; j < outputComponentCount; j++)
+        {
+            offsetOutput[j] = 0.0f;
+        }
+    }
+}
+
+template <typename T,
+          size_t inputComponentCount,
+          size_t outputComponentCount,
+          bool normalized,
+          bool toHalf>
+inline void CopyToFloatVertexData(const uint8_t *input,
+                                  size_t stride,
+                                  size_t count,
+                                  uint8_t *output)
+{
+    typedef std::numeric_limits<T> NL;
+    typedef typename std::conditional<toHalf, GLhalf, float>::type outputType;
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const T *offsetInput = reinterpret_cast<const T *>(input + (stride * i));
+        outputType *offsetOutput =
+            reinterpret_cast<outputType *>(output) + i * outputComponentCount;
+
+        T offsetInputAligned[inputComponentCount];
+        offsetInput =
+            GetAlignedOffsetInput<T, inputComponentCount>(offsetInput, &offsetInputAligned[0]);
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            float result = 0;
+
+            if (normalized)
+            {
+                if (NL::is_signed)
+                {
+                    result = static_cast<float>(offsetInput[j]) / static_cast<float>(NL::max());
+                    result = result >= -1.0f ? result : -1.0f;
+                }
+                else
+                {
+                    result = static_cast<float>(offsetInput[j]) / static_cast<float>(NL::max());
+                }
+            }
+            else
+            {
+                result = static_cast<float>(offsetInput[j]);
+            }
+
+            if (toHalf)
+            {
+                offsetOutput[j] = gl::float32ToFloat16(result);
+            }
+            else
+            {
+                offsetOutput[j] = static_cast<outputType>(result);
+            }
+        }
+
+        for (size_t j = inputComponentCount; j < outputComponentCount; j++)
+        {
+            offsetOutput[j] = 0;
+        }
+
+        if (inputComponentCount < 4 && outputComponentCount == 4)
+        {
+            if (toHalf)
+            {
+                offsetOutput[3] = gl::Float16One;
+            }
+            else
+            {
+                offsetOutput[3] = static_cast<outputType>(gl::Float32One);
+            }
+        }
+    }
+}
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+void Copy32FTo16FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    const unsigned short kZero = gl::float32ToFloat16(0.0f);
+    const unsigned short kOne  = gl::float32ToFloat16(1.0f);
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const float *offsetInput = reinterpret_cast<const float *>(input + (stride * i));
+        unsigned short *offsetOutput =
+            reinterpret_cast<unsigned short *>(output) + i * outputComponentCount;
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            offsetOutput[j] = gl::float32ToFloat16(offsetInput[j]);
+        }
+
+        for (size_t j = inputComponentCount; j < outputComponentCount; j++)
+        {
+            offsetOutput[j] = (j == 3) ? kOne : kZero;
+        }
+    }
+}
+
+inline void CopyXYZ32FToXYZ9E5(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    for (size_t i = 0; i < count; i++)
+    {
+        const float *offsetInput   = reinterpret_cast<const float *>(input + (stride * i));
+        unsigned int *offsetOutput = reinterpret_cast<unsigned int *>(output) + i;
+
+        *offsetOutput = gl::convertRGBFloatsTo999E5(offsetInput[0], offsetInput[1], offsetInput[2]);
+    }
+}
+
+inline void CopyXYZ32FToX11Y11B10F(const uint8_t *input,
+                                   size_t stride,
+                                   size_t count,
+                                   uint8_t *output)
+{
+    for (size_t i = 0; i < count; i++)
+    {
+        const float *offsetInput   = reinterpret_cast<const float *>(input + (stride * i));
+        unsigned int *offsetOutput = reinterpret_cast<unsigned int *>(output) + i;
+
+        *offsetOutput = gl::float32ToFloat11(offsetInput[0]) << 0 |
+                        gl::float32ToFloat11(offsetInput[1]) << 11 |
+                        gl::float32ToFloat10(offsetInput[2]) << 22;
+    }
+}
+
+namespace priv
+{
+
+template <bool isSigned, bool normalized, bool toFloat, bool toHalf>
+static inline void CopyPackedRGB(uint32_t data, uint8_t *output)
+{
+    const uint32_t rgbSignMask  = 0x200;       // 1 set at the 9 bit
+    const uint32_t negativeMask = 0xFFFFFC00;  // All bits from 10 to 31 set to 1
+
+    if (toFloat || toHalf)
+    {
+        GLfloat finalValue = static_cast<GLfloat>(data);
+        if (isSigned)
+        {
+            if (data & rgbSignMask)
+            {
+                int negativeNumber = data | negativeMask;
+                finalValue         = static_cast<GLfloat>(negativeNumber);
+            }
+
+            if (normalized)
+            {
+                const int32_t maxValue = 0x1FF;       // 1 set in bits 0 through 8
+                const int32_t minValue = 0xFFFFFE01;  // Inverse of maxValue
+
+                // A 10-bit two's complement number has the possibility of being minValue - 1 but
+                // OpenGL's normalization rules dictate that it should be clamped to minValue in
+                // this case.
+                if (finalValue < minValue)
+                {
+                    finalValue = minValue;
+                }
+
+                const int32_t halfRange = (maxValue - minValue) >> 1;
+                finalValue              = ((finalValue - minValue) / halfRange) - 1.0f;
+            }
+        }
+        else
+        {
+            if (normalized)
+            {
+                const uint32_t maxValue = 0x3FF;  // 1 set in bits 0 through 9
+                finalValue /= static_cast<GLfloat>(maxValue);
+            }
+        }
+
+        if (toHalf)
+        {
+            *reinterpret_cast<GLhalf *>(output) = gl::float32ToFloat16(finalValue);
+        }
+        else
+        {
+            *reinterpret_cast<GLfloat *>(output) = finalValue;
+        }
+    }
+    else
+    {
+        if (isSigned)
+        {
+            GLshort *intOutput = reinterpret_cast<GLshort *>(output);
+
+            if (data & rgbSignMask)
+            {
+                *intOutput = static_cast<GLshort>(data | negativeMask);
+            }
+            else
+            {
+                *intOutput = static_cast<GLshort>(data);
+            }
+        }
+        else
+        {
+            GLushort *uintOutput = reinterpret_cast<GLushort *>(output);
+            *uintOutput          = static_cast<GLushort>(data);
+        }
+    }
+}
+
+template <bool isSigned, bool normalized, bool toFloat, bool toHalf>
+inline void CopyPackedAlpha(uint32_t data, uint8_t *output)
+{
+    ASSERT(data >= 0 && data <= 3);
+
+    if (toFloat || toHalf)
+    {
+        GLfloat finalValue = 0;
+        if (isSigned)
+        {
+            if (normalized)
+            {
+                switch (data)
+                {
+                    case 0x0:
+                        finalValue = 0.0f;
+                        break;
+                    case 0x1:
+                        finalValue = 1.0f;
+                        break;
+                    case 0x2:
+                        finalValue = -1.0f;
+                        break;
+                    case 0x3:
+                        finalValue = -1.0f;
+                        break;
+                    default:
+                        UNREACHABLE();
+                }
+            }
+            else
+            {
+                switch (data)
+                {
+                    case 0x0:
+                        finalValue = 0.0f;
+                        break;
+                    case 0x1:
+                        finalValue = 1.0f;
+                        break;
+                    case 0x2:
+                        finalValue = -2.0f;
+                        break;
+                    case 0x3:
+                        finalValue = -1.0f;
+                        break;
+                    default:
+                        UNREACHABLE();
+                }
+            }
+        }
+        else
+        {
+            if (normalized)
+            {
+                finalValue = data / 3.0f;
+            }
+            else
+            {
+                finalValue = static_cast<float>(data);
+            }
+        }
+
+        if (toHalf)
+        {
+            *reinterpret_cast<GLhalf *>(output) = gl::float32ToFloat16(finalValue);
+        }
+        else
+        {
+            *reinterpret_cast<GLfloat *>(output) = finalValue;
+        }
+    }
+    else
+    {
+        if (isSigned)
+        {
+            GLshort *intOutput = reinterpret_cast<GLshort *>(output);
+            switch (data)
+            {
+                case 0x0:
+                    *intOutput = 0;
+                    break;
+                case 0x1:
+                    *intOutput = 1;
+                    break;
+                case 0x2:
+                    *intOutput = -2;
+                    break;
+                case 0x3:
+                    *intOutput = -1;
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+        }
+        else
+        {
+            *reinterpret_cast<GLushort *>(output) = static_cast<GLushort>(data);
+        }
+    }
+}
+
+}  // namespace priv
+
+template <bool isSigned, bool normalized, bool toFloat, bool toHalf>
+inline void CopyXYZ10W2ToXYZWFloatVertexData(const uint8_t *input,
+                                             size_t stride,
+                                             size_t count,
+                                             uint8_t *output)
+{
+    const size_t outputComponentSize = toFloat && !toHalf ? 4 : 2;
+    const size_t componentCount      = 4;
+
+    const uint32_t rgbMask  = 0x3FF;  // 1 set in bits 0 through 9
+    const size_t redShift   = 0;      // red is bits 0 through 9
+    const size_t greenShift = 10;     // green is bits 10 through 19
+    const size_t blueShift  = 20;     // blue is bits 20 through 29
+
+    const uint32_t alphaMask = 0x3;  // 1 set in bits 0 and 1
+    const size_t alphaShift  = 30;   // Alpha is the 30 and 31 bits
+
+    for (size_t i = 0; i < count; i++)
+    {
+        GLuint packedValue    = *reinterpret_cast<const GLuint *>(input + (i * stride));
+        uint8_t *offsetOutput = output + (i * outputComponentSize * componentCount);
+
+        priv::CopyPackedRGB<isSigned, normalized, toFloat, toHalf>(
+            (packedValue >> redShift) & rgbMask, offsetOutput + (0 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, toFloat, toHalf>(
+            (packedValue >> greenShift) & rgbMask, offsetOutput + (1 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, toFloat, toHalf>(
+            (packedValue >> blueShift) & rgbMask, offsetOutput + (2 * outputComponentSize));
+        priv::CopyPackedAlpha<isSigned, normalized, toFloat, toHalf>(
+            (packedValue >> alphaShift) & alphaMask, offsetOutput + (3 * outputComponentSize));
+    }
+}
+
+template <bool isSigned, bool normalized, bool toHalf>
+inline void CopyXYZ10ToXYZWFloatVertexData(const uint8_t *input,
+                                           size_t stride,
+                                           size_t count,
+                                           uint8_t *output)
+{
+    const size_t outputComponentSize = toHalf ? 2 : 4;
+    const size_t componentCount      = 4;
+
+    const uint32_t rgbMask  = 0x3FF;  // 1 set in bits 0 through 9
+    const size_t redShift   = 22;     // red is bits 22 through 31
+    const size_t greenShift = 12;     // green is bits 12 through 21
+    const size_t blueShift  = 2;      // blue is bits 2 through 11
+
+    const uint32_t alphaDefaultValueBits = normalized ? (isSigned ? 0x1 : 0x3) : 0x1;
+
+    for (size_t i = 0; i < count; i++)
+    {
+        GLuint packedValue    = *reinterpret_cast<const GLuint *>(input + (i * stride));
+        uint8_t *offsetOutput = output + (i * outputComponentSize * componentCount);
+
+        priv::CopyPackedRGB<isSigned, normalized, true, toHalf>(
+            (packedValue >> redShift) & rgbMask, offsetOutput + (0 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, true, toHalf>(
+            (packedValue >> greenShift) & rgbMask, offsetOutput + (1 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, true, toHalf>(
+            (packedValue >> blueShift) & rgbMask, offsetOutput + (2 * outputComponentSize));
+        priv::CopyPackedAlpha<isSigned, normalized, true, toHalf>(
+            alphaDefaultValueBits, offsetOutput + (3 * outputComponentSize));
+    }
+}
+
+template <bool isSigned, bool normalized, bool toHalf>
+inline void CopyW2XYZ10ToXYZWFloatVertexData(const uint8_t *input,
+                                             size_t stride,
+                                             size_t count,
+                                             uint8_t *output)
+{
+    const size_t outputComponentSize = toHalf ? 2 : 4;
+    const size_t componentCount      = 4;
+
+    const uint32_t rgbMask  = 0x3FF;  // 1 set in bits 0 through 9
+    const size_t redShift   = 22;     // red is bits 22 through 31
+    const size_t greenShift = 12;     // green is bits 12 through 21
+    const size_t blueShift  = 2;      // blue is bits 2 through 11
+
+    const uint32_t alphaMask = 0x3;  // 1 set in bits 0 and 1
+    const size_t alphaShift  = 0;    // Alpha is the 30 and 31 bits
+
+    for (size_t i = 0; i < count; i++)
+    {
+        GLuint packedValue    = *reinterpret_cast<const GLuint *>(input + (i * stride));
+        uint8_t *offsetOutput = output + (i * outputComponentSize * componentCount);
+
+        priv::CopyPackedRGB<isSigned, normalized, true, toHalf>(
+            (packedValue >> redShift) & rgbMask, offsetOutput + (0 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, true, toHalf>(
+            (packedValue >> greenShift) & rgbMask, offsetOutput + (1 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, true, toHalf>(
+            (packedValue >> blueShift) & rgbMask, offsetOutput + (2 * outputComponentSize));
+        priv::CopyPackedAlpha<isSigned, normalized, true, toHalf>(
+            (packedValue >> alphaShift) & alphaMask, offsetOutput + (3 * outputComponentSize));
+    }
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/BufferD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/BufferD3D.cpp
new file mode 100644
index 0000000000..464bd6d4a8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/BufferD3D.cpp
@@ -0,0 +1,191 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// BufferD3D.cpp Defines common functionality between the Buffer9 and Buffer11 classes.
+
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+
+#include "common/mathutil.h"
+#include "common/utilities.h"
+#include "libANGLE/renderer/d3d/IndexBuffer.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/VertexBuffer.h"
+
+namespace rx
+{
+
+unsigned int BufferD3D::mNextSerial = 1;
+
+BufferD3D::BufferD3D(const gl::BufferState &state, BufferFactoryD3D *factory)
+    : BufferImpl(state),
+      mFactory(factory),
+      mStaticIndexBuffer(nullptr),
+      mStaticBufferCacheTotalSize(0),
+      mStaticVertexBufferOutOfDate(false),
+      mUnmodifiedDataUse(0),
+      mUsage(D3DBufferUsage::STATIC)
+{
+    updateSerial();
+}
+
+BufferD3D::~BufferD3D()
+{
+    SafeDelete(mStaticIndexBuffer);
+}
+
+void BufferD3D::emptyStaticBufferCache()
+{
+    mStaticVertexBuffers.clear();
+    mStaticBufferCacheTotalSize = 0;
+}
+
+void BufferD3D::updateSerial()
+{
+    mSerial = mNextSerial++;
+}
+
+void BufferD3D::updateD3DBufferUsage(const gl::Context *context, gl::BufferUsage usage)
+{
+    switch (usage)
+    {
+        case gl::BufferUsage::StaticCopy:
+        case gl::BufferUsage::StaticDraw:
+        case gl::BufferUsage::StaticRead:
+        case gl::BufferUsage::DynamicCopy:
+        case gl::BufferUsage::DynamicRead:
+        case gl::BufferUsage::StreamCopy:
+        case gl::BufferUsage::StreamRead:
+            mUsage = D3DBufferUsage::STATIC;
+            initializeStaticData(context);
+            break;
+
+        case gl::BufferUsage::DynamicDraw:
+        case gl::BufferUsage::StreamDraw:
+            mUsage = D3DBufferUsage::DYNAMIC;
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+void BufferD3D::initializeStaticData(const gl::Context *context)
+{
+    if (mStaticVertexBuffers.empty())
+    {
+        StaticVertexBufferInterface *newStaticBuffer = new StaticVertexBufferInterface(mFactory);
+        mStaticVertexBuffers.push_back(
+            std::unique_ptr<StaticVertexBufferInterface>(newStaticBuffer));
+    }
+    if (!mStaticIndexBuffer)
+    {
+        mStaticIndexBuffer = new StaticIndexBufferInterface(mFactory);
+    }
+}
+
+StaticIndexBufferInterface *BufferD3D::getStaticIndexBuffer()
+{
+    return mStaticIndexBuffer;
+}
+
+StaticVertexBufferInterface *BufferD3D::getStaticVertexBuffer(const gl::VertexAttribute &attribute,
+                                                              const gl::VertexBinding &binding)
+{
+    if (mStaticVertexBuffers.empty())
+    {
+        // Early out if there aren't any static buffers at all
+        return nullptr;
+    }
+
+    // Early out, the attribute can be added to mStaticVertexBuffer.
+    if (mStaticVertexBuffers.size() == 1 && mStaticVertexBuffers[0]->empty())
+    {
+        return mStaticVertexBuffers[0].get();
+    }
+
+    // Cache size limiting: track the total allocated buffer sizes.
+    size_t currentTotalSize = 0;
+
+    // At this point, see if any of the existing static buffers contains the attribute data
+    // If there is a cached static buffer that already contains the attribute, then return it
+    for (const auto &staticBuffer : mStaticVertexBuffers)
+    {
+        if (staticBuffer->matchesAttribute(attribute, binding))
+        {
+            return staticBuffer.get();
+        }
+
+        currentTotalSize += staticBuffer->getBufferSize();
+    }
+
+    // Cache size limiting: Clean-up threshold is four times the base buffer size, with a minimum.
+    ASSERT(getSize() < std::numeric_limits<size_t>::max() / 4u);
+    size_t sizeThreshold = std::max(getSize() * 4u, static_cast<size_t>(0x1000u));
+
+    // If we're past the threshold, clear the buffer cache. Note that this will release buffers
+    // that are currenly bound, and in an edge case can even translate the same attribute twice
+    // in the same draw call. It will not delete currently bound buffers, however, because they
+    // are ref counted.
+    if (currentTotalSize > sizeThreshold)
+    {
+        emptyStaticBufferCache();
+    }
+
+    // At this point, we must create a new static buffer for the attribute data.
+    StaticVertexBufferInterface *newStaticBuffer = new StaticVertexBufferInterface(mFactory);
+    newStaticBuffer->setAttribute(attribute, binding);
+    mStaticVertexBuffers.push_back(std::unique_ptr<StaticVertexBufferInterface>(newStaticBuffer));
+    return newStaticBuffer;
+}
+
+void BufferD3D::invalidateStaticData(const gl::Context *context)
+{
+    emptyStaticBufferCache();
+
+    if (mStaticIndexBuffer && mStaticIndexBuffer->getBufferSize() != 0)
+    {
+        SafeDelete(mStaticIndexBuffer);
+    }
+
+    // If the buffer was created with a static usage then we recreate the static
+    // buffers so that they are populated the next time we use this buffer.
+    if (mUsage == D3DBufferUsage::STATIC)
+    {
+        initializeStaticData(context);
+    }
+
+    mUnmodifiedDataUse = 0;
+}
+
+// Creates static buffers if sufficient used data has been left unmodified
+void BufferD3D::promoteStaticUsage(const gl::Context *context, size_t dataSize)
+{
+    if (mUsage == D3DBufferUsage::DYNAMIC)
+    {
+        // Note: This is not a safe math operation. 'dataSize' can come from the app.
+        mUnmodifiedDataUse += dataSize;
+
+        if (mUnmodifiedDataUse > 3 * getSize())
+        {
+            updateD3DBufferUsage(context, gl::BufferUsage::StaticDraw);
+        }
+    }
+}
+
+angle::Result BufferD3D::getIndexRange(const gl::Context *context,
+                                       gl::DrawElementsType type,
+                                       size_t offset,
+                                       size_t count,
+                                       bool primitiveRestartEnabled,
+                                       gl::IndexRange *outRange)
+{
+    const uint8_t *data = nullptr;
+    ANGLE_TRY(getData(context, &data));
+
+    *outRange = gl::ComputeIndexRange(type, data + offset, count, primitiveRestartEnabled);
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/BufferD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/BufferD3D.h
new file mode 100644
index 0000000000..19ea78c6eb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/BufferD3D.h
@@ -0,0 +1,89 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// BufferD3D.h: Defines the rx::BufferD3D class, an implementation of BufferImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
+#define LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
+
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/BufferImpl.h"
+
+#include <stdint.h>
+#include <vector>
+
+namespace gl
+{
+struct VertexAttribute;
+class VertexBinding;
+}  // namespace gl
+
+namespace rx
+{
+class BufferFactoryD3D;
+class StaticIndexBufferInterface;
+class StaticVertexBufferInterface;
+
+enum class D3DBufferUsage
+{
+    STATIC,
+    DYNAMIC,
+};
+
+class BufferD3D : public BufferImpl
+{
+  public:
+    BufferD3D(const gl::BufferState &state, BufferFactoryD3D *factory);
+    ~BufferD3D() override;
+
+    unsigned int getSerial() const { return mSerial; }
+
+    virtual size_t getSize() const                                                     = 0;
+    virtual bool supportsDirectBinding() const                                         = 0;
+    virtual angle::Result markTransformFeedbackUsage(const gl::Context *context)       = 0;
+    virtual angle::Result getData(const gl::Context *context, const uint8_t **outData) = 0;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using this
+    // function.
+    StaticVertexBufferInterface *getStaticVertexBuffer(const gl::VertexAttribute &attribute,
+                                                       const gl::VertexBinding &binding);
+    StaticIndexBufferInterface *getStaticIndexBuffer();
+
+    virtual void initializeStaticData(const gl::Context *context);
+    virtual void invalidateStaticData(const gl::Context *context);
+
+    void promoteStaticUsage(const gl::Context *context, size_t dataSize);
+
+    angle::Result getIndexRange(const gl::Context *context,
+                                gl::DrawElementsType type,
+                                size_t offset,
+                                size_t count,
+                                bool primitiveRestartEnabled,
+                                gl::IndexRange *outRange) override;
+
+    BufferFactoryD3D *getFactory() const { return mFactory; }
+    D3DBufferUsage getUsage() const { return mUsage; }
+
+  protected:
+    void updateSerial();
+    void updateD3DBufferUsage(const gl::Context *context, gl::BufferUsage usage);
+    void emptyStaticBufferCache();
+
+    BufferFactoryD3D *mFactory;
+    unsigned int mSerial;
+    static unsigned int mNextSerial;
+
+    std::vector<std::unique_ptr<StaticVertexBufferInterface>> mStaticVertexBuffers;
+    StaticIndexBufferInterface *mStaticIndexBuffer;
+    unsigned int mStaticBufferCacheTotalSize;
+    unsigned int mStaticVertexBufferOutOfDate;
+    size_t mUnmodifiedDataUse;
+    D3DBufferUsage mUsage;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/CompilerD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/CompilerD3D.cpp
new file mode 100644
index 0000000000..4656cf4d80
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/CompilerD3D.cpp
@@ -0,0 +1,24 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// CompilerD3D:
+//   Implementation of the D3D compiler methods.
+//
+
+#include "libANGLE/renderer/d3d/CompilerD3D.h"
+
+namespace rx
+{
+
+CompilerD3D::CompilerD3D(ShShaderOutput translatorOutputType)
+    : mTranslatorOutputType(translatorOutputType)
+{}
+
+ShShaderOutput CompilerD3D::getTranslatorOutputType() const
+{
+    return mTranslatorOutputType;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/CompilerD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/CompilerD3D.h
new file mode 100644
index 0000000000..3e1d01a0b9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/CompilerD3D.h
@@ -0,0 +1,32 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// CompilerD3D.h: Defines the rx::CompilerD3D class, an implementation of rx::CompilerImpl.
+
+#ifndef LIBANGLE_RENDERER_COMPILERD3D_H_
+#define LIBANGLE_RENDERER_COMPILERD3D_H_
+
+#include "libANGLE/renderer/CompilerImpl.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace rx
+{
+
+class CompilerD3D : public CompilerImpl
+{
+  public:
+    CompilerD3D(ShShaderOutput translatorOutputType);
+    ~CompilerD3D() override {}
+
+    ShShaderOutput getTranslatorOutputType() const override;
+
+  private:
+    ShShaderOutput mTranslatorOutputType;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_COMPILERD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ContextD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ContextD3D.h
new file mode 100644
index 0000000000..d563672e67
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ContextD3D.h
@@ -0,0 +1,24 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ContextD3D: Shared common class for Context9 and Context11.
+
+#ifndef LIBANGLE_RENDERER_CONTEXTD3D_H_
+#define LIBANGLE_RENDERER_CONTEXTD3D_H_
+
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace rx
+{
+class ContextD3D : public ContextImpl, public d3d::Context
+{
+  public:
+    ContextD3D(const gl::State &state, gl::ErrorSet *errorSet) : ContextImpl(state, errorSet) {}
+    ~ContextD3D() override {}
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_CONTEXTD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DeviceD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DeviceD3D.cpp
new file mode 100644
index 0000000000..79dfb094e3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DeviceD3D.cpp
@@ -0,0 +1,84 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DeviceD3D.cpp: D3D implementation of egl::Device
+
+#include "libANGLE/renderer/d3d/DeviceD3D.h"
+
+#include "libANGLE/Device.h"
+#include "libANGLE/Display.h"
+
+#include <EGL/eglext.h>
+
+namespace rx
+{
+
+DeviceD3D::DeviceD3D(GLint deviceType, void *nativeDevice)
+    : mDevice(nativeDevice), mDeviceType(deviceType), mIsInitialized(false)
+{}
+
+DeviceD3D::~DeviceD3D()
+{
+#if defined(ANGLE_ENABLE_D3D11)
+    if (mIsInitialized && mDeviceType == EGL_D3D11_DEVICE_ANGLE)
+    {
+        // DeviceD3D holds a ref to an externally-sourced D3D11 device. We must release it.
+        ID3D11Device *device = static_cast<ID3D11Device *>(mDevice);
+        device->Release();
+    }
+#endif
+}
+
+egl::Error DeviceD3D::getAttribute(const egl::Display *display, EGLint attribute, void **outValue)
+{
+    ASSERT(mIsInitialized);
+    ANGLE_UNUSED_VARIABLE(display);
+    // Validated at higher levels.
+    ASSERT(getType() == attribute);
+    *outValue = mDevice;
+    return egl::NoError();
+}
+
+egl::Error DeviceD3D::initialize()
+{
+    ASSERT(!mIsInitialized);
+
+#if defined(ANGLE_ENABLE_D3D11)
+    if (mDeviceType == EGL_D3D11_DEVICE_ANGLE)
+    {
+        // Validate the device
+        IUnknown *iunknown = static_cast<IUnknown *>(mDevice);
+
+        ID3D11Device *d3dDevice = nullptr;
+        HRESULT hr =
+            iunknown->QueryInterface(__uuidof(ID3D11Device), reinterpret_cast<void **>(&d3dDevice));
+        if (FAILED(hr))
+        {
+            return egl::EglBadAttribute() << "Invalid D3D device passed into EGLDeviceEXT";
+        }
+
+        // The QI to ID3D11Device adds a ref to the D3D11 device.
+        // Deliberately don't release the ref here, so that the DeviceD3D holds a ref to the
+        // D3D11 device.
+    }
+#endif
+
+    mIsInitialized = true;
+
+    return egl::NoError();
+}
+
+EGLint DeviceD3D::getType()
+{
+    return mDeviceType;
+}
+
+void DeviceD3D::generateExtensions(egl::DeviceExtensions *outExtensions) const
+{
+    outExtensions->deviceD3D = true;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DeviceD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DeviceD3D.h
new file mode 100644
index 0000000000..c169eb7de5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DeviceD3D.h
@@ -0,0 +1,39 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DeviceD3D.h: D3D implementation of egl::Device
+
+#ifndef LIBANGLE_RENDERER_D3D_DEVICED3D_H_
+#define LIBANGLE_RENDERER_D3D_DEVICED3D_H_
+
+#include "libANGLE/Device.h"
+#include "libANGLE/renderer/DeviceImpl.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace rx
+{
+class DeviceD3D : public DeviceImpl
+{
+  public:
+    DeviceD3D(EGLint deviceType, void *nativeDevice);
+    ~DeviceD3D() override;
+
+    egl::Error initialize() override;
+    egl::Error getAttribute(const egl::Display *display,
+                            EGLint attribute,
+                            void **outValue) override;
+    EGLint getType() override;
+    void generateExtensions(egl::DeviceExtensions *outExtensions) const override;
+
+  private:
+    void *mDevice;
+    EGLint mDeviceType;
+    bool mIsInitialized;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_DEVICED3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DisplayD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DisplayD3D.cpp
new file mode 100644
index 0000000000..35216fd4d2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DisplayD3D.cpp
@@ -0,0 +1,462 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DisplayD3D.cpp: D3D implementation of egl::Display
+
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+
+#include <EGL/eglext.h>
+
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Thread.h"
+#include "libANGLE/histogram_macros.h"
+#include "libANGLE/renderer/d3d/DeviceD3D.h"
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/SurfaceD3D.h"
+#include "libANGLE/renderer/d3d/SwapChainD3D.h"
+
+#if !defined(ANGLE_DEFAULT_D3D11)
+// Enables use of the Direct3D 11 API for a default display, when available
+#    define ANGLE_DEFAULT_D3D11 1
+#endif
+
+namespace rx
+{
+
+using CreateRendererD3DFunction = RendererD3D *(*)(egl::Display *);
+
+egl::Error CreateRendererD3D(egl::Display *display, RendererD3D **outRenderer)
+{
+    ASSERT(outRenderer != nullptr);
+
+    std::vector<CreateRendererD3DFunction> rendererCreationFunctions;
+
+    if (display->getPlatform() == EGL_PLATFORM_ANGLE_ANGLE)
+    {
+        const auto &attribMap              = display->getAttributeMap();
+        EGLNativeDisplayType nativeDisplay = display->getNativeDisplayId();
+
+        EGLint requestedDisplayType = static_cast<EGLint>(
+            attribMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE));
+
+#if defined(ANGLE_ENABLE_D3D11)
+        const auto addD3D11 = nativeDisplay == EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE ||
+                              nativeDisplay == EGL_D3D11_ONLY_DISPLAY_ANGLE ||
+                              requestedDisplayType == EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE;
+#endif
+
+#if defined(ANGLE_ENABLE_D3D9)
+        const auto addD3D9 = nativeDisplay == EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE ||
+                             requestedDisplayType == EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE;
+#endif
+
+#if ANGLE_DEFAULT_D3D11
+#    if defined(ANGLE_ENABLE_D3D11)
+        if (addD3D11)
+        {
+            rendererCreationFunctions.push_back(CreateRenderer11);
+        }
+#    endif
+
+#    if defined(ANGLE_ENABLE_D3D9)
+        if (addD3D9)
+        {
+            rendererCreationFunctions.push_back(CreateRenderer9);
+        }
+#    endif
+#else
+#    if defined(ANGLE_ENABLE_D3D9)
+        if (addD3D9)
+        {
+            rendererCreationFunctions.push_back(CreateRenderer9);
+        }
+#    endif
+
+#    if defined(ANGLE_ENABLE_D3D11)
+        if (addD3D11)
+        {
+            rendererCreationFunctions.push_back(CreateRenderer11);
+        }
+#    endif
+#endif
+
+        if (nativeDisplay != EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE &&
+            nativeDisplay != EGL_D3D11_ONLY_DISPLAY_ANGLE &&
+            requestedDisplayType == EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE)
+        {
+            // The default display is requested, try the D3D9 and D3D11 renderers, order them using
+            // the definition of ANGLE_DEFAULT_D3D11
+#if ANGLE_DEFAULT_D3D11
+#    if defined(ANGLE_ENABLE_D3D11)
+            rendererCreationFunctions.push_back(CreateRenderer11);
+#    endif
+#    if defined(ANGLE_ENABLE_D3D9)
+            rendererCreationFunctions.push_back(CreateRenderer9);
+#    endif
+#else
+#    if defined(ANGLE_ENABLE_D3D9)
+            rendererCreationFunctions.push_back(CreateRenderer9);
+#    endif
+#    if defined(ANGLE_ENABLE_D3D11)
+            rendererCreationFunctions.push_back(CreateRenderer11);
+#    endif
+#endif
+        }
+    }
+    else if (display->getPlatform() == EGL_PLATFORM_DEVICE_EXT)
+    {
+#if defined(ANGLE_ENABLE_D3D11)
+        if (display->getDevice()->getType() == EGL_D3D11_DEVICE_ANGLE)
+        {
+            rendererCreationFunctions.push_back(CreateRenderer11);
+        }
+#endif
+    }
+    else
+    {
+        UNIMPLEMENTED();
+    }
+
+    for (size_t i = 0; i < rendererCreationFunctions.size(); i++)
+    {
+        RendererD3D *renderer = rendererCreationFunctions[i](display);
+        egl::Error result     = renderer->initialize();
+
+#if defined(ANGLE_ENABLE_D3D11)
+        if (renderer->getRendererClass() == RENDERER_D3D11)
+        {
+            ASSERT(result.getID() >= 0 && result.getID() < NUM_D3D11_INIT_ERRORS);
+            ANGLE_HISTOGRAM_ENUMERATION("GPU.ANGLE.D3D11InitializeResult", result.getID(),
+                                        NUM_D3D11_INIT_ERRORS);
+        }
+#endif
+
+#if defined(ANGLE_ENABLE_D3D9)
+        if (renderer->getRendererClass() == RENDERER_D3D9)
+        {
+            ASSERT(result.getID() >= 0 && result.getID() < NUM_D3D9_INIT_ERRORS);
+            ANGLE_HISTOGRAM_ENUMERATION("GPU.ANGLE.D3D9InitializeResult", result.getID(),
+                                        NUM_D3D9_INIT_ERRORS);
+        }
+#endif
+
+        if (!result.isError())
+        {
+            *outRenderer = renderer;
+            return result;
+        }
+
+        // Failed to create the renderer, try the next
+        SafeDelete(renderer);
+        ERR() << "Failed to create D3D renderer: " << result.getMessage();
+    }
+
+    return egl::EglNotInitialized() << "No available renderers.";
+}
+
+DisplayD3D::DisplayD3D(const egl::DisplayState &state) : DisplayImpl(state), mRenderer(nullptr) {}
+
+SurfaceImpl *DisplayD3D::createWindowSurface(const egl::SurfaceState &state,
+                                             EGLNativeWindowType window,
+                                             const egl::AttributeMap &attribs)
+{
+    ASSERT(mRenderer != nullptr);
+    return new WindowSurfaceD3D(state, mRenderer, mDisplay, window, attribs);
+}
+
+SurfaceImpl *DisplayD3D::createPbufferSurface(const egl::SurfaceState &state,
+                                              const egl::AttributeMap &attribs)
+{
+    ASSERT(mRenderer != nullptr);
+    return new PbufferSurfaceD3D(state, mRenderer, mDisplay, 0, nullptr, attribs);
+}
+
+SurfaceImpl *DisplayD3D::createPbufferFromClientBuffer(const egl::SurfaceState &state,
+                                                       EGLenum buftype,
+                                                       EGLClientBuffer clientBuffer,
+                                                       const egl::AttributeMap &attribs)
+{
+    ASSERT(mRenderer != nullptr);
+    return new PbufferSurfaceD3D(state, mRenderer, mDisplay, buftype, clientBuffer, attribs);
+}
+
+SurfaceImpl *DisplayD3D::createPixmapSurface(const egl::SurfaceState &state,
+                                             NativePixmapType nativePixmap,
+                                             const egl::AttributeMap &attribs)
+{
+    UNIMPLEMENTED();
+    return nullptr;
+}
+
+ImageImpl *DisplayD3D::createImage(const egl::ImageState &state,
+                                   const gl::Context *context,
+                                   EGLenum target,
+                                   const egl::AttributeMap &attribs)
+{
+    return new EGLImageD3D(state, target, attribs, mRenderer);
+}
+
+DeviceImpl *DisplayD3D::createDevice()
+{
+    return mRenderer->createEGLDevice();
+}
+
+rx::ContextImpl *DisplayD3D::createContext(const gl::State &state,
+                                           gl::ErrorSet *errorSet,
+                                           const egl::Config *configuration,
+                                           const gl::Context *shareContext,
+                                           const egl::AttributeMap &attribs)
+{
+    ASSERT(mRenderer != nullptr);
+    return mRenderer->createContext(state, errorSet);
+}
+
+StreamProducerImpl *DisplayD3D::createStreamProducerD3DTexture(
+    egl::Stream::ConsumerType consumerType,
+    const egl::AttributeMap &attribs)
+{
+    ASSERT(mRenderer != nullptr);
+    return mRenderer->createStreamProducerD3DTexture(consumerType, attribs);
+}
+
+ExternalImageSiblingImpl *DisplayD3D::createExternalImageSibling(const gl::Context *context,
+                                                                 EGLenum target,
+                                                                 EGLClientBuffer buffer,
+                                                                 const egl::AttributeMap &attribs)
+{
+    ASSERT(mRenderer != nullptr);
+    return mRenderer->createExternalImageSibling(context, target, buffer, attribs);
+}
+
+ShareGroupImpl *DisplayD3D::createShareGroup()
+{
+    return new ShareGroupD3D();
+}
+
+egl::Error DisplayD3D::makeCurrent(egl::Display *display,
+                                   egl::Surface *drawSurface,
+                                   egl::Surface *readSurface,
+                                   gl::Context *context)
+{
+    // Ensure the appropriate global DebugAnnotator is used
+    ASSERT(mRenderer != nullptr);
+    mRenderer->setGlobalDebugAnnotator();
+
+    return egl::NoError();
+}
+
+egl::Error DisplayD3D::initialize(egl::Display *display)
+{
+    ASSERT(mRenderer == nullptr && display != nullptr);
+    mDisplay = display;
+    ANGLE_TRY(CreateRendererD3D(display, &mRenderer));
+    return egl::NoError();
+}
+
+void DisplayD3D::terminate()
+{
+    SafeDelete(mRenderer);
+}
+
+egl::ConfigSet DisplayD3D::generateConfigs()
+{
+    ASSERT(mRenderer != nullptr);
+    return mRenderer->generateConfigs();
+}
+
+bool DisplayD3D::testDeviceLost()
+{
+    ASSERT(mRenderer != nullptr);
+    return mRenderer->testDeviceLost();
+}
+
+egl::Error DisplayD3D::restoreLostDevice(const egl::Display *display)
+{
+    // Release surface resources to make the Reset() succeed
+    for (egl::Surface *surface : mState.surfaceSet)
+    {
+        ASSERT(!surface->getBoundTexture());
+        SurfaceD3D *surfaceD3D = GetImplAs<SurfaceD3D>(surface);
+        surfaceD3D->releaseSwapChain();
+    }
+
+    if (!mRenderer->resetDevice())
+    {
+        return egl::EglBadAlloc();
+    }
+
+    // Restore any surfaces that may have been lost
+    for (const egl::Surface *surface : mState.surfaceSet)
+    {
+        SurfaceD3D *surfaceD3D = GetImplAs<SurfaceD3D>(surface);
+
+        ANGLE_TRY(surfaceD3D->resetSwapChain(display));
+    }
+
+    return egl::NoError();
+}
+
+bool DisplayD3D::isValidNativeWindow(EGLNativeWindowType window) const
+{
+    return mRenderer->isValidNativeWindow(window);
+}
+
+egl::Error DisplayD3D::validateClientBuffer(const egl::Config *config,
+                                            EGLenum buftype,
+                                            EGLClientBuffer clientBuffer,
+                                            const egl::AttributeMap &attribs) const
+{
+    switch (buftype)
+    {
+        case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE:
+            return mRenderer->validateShareHandle(config, static_cast<HANDLE>(clientBuffer),
+                                                  attribs);
+
+        case EGL_D3D_TEXTURE_ANGLE:
+            return mRenderer->getD3DTextureInfo(config, static_cast<IUnknown *>(clientBuffer),
+                                                attribs, nullptr, nullptr, nullptr, nullptr,
+                                                nullptr, nullptr);
+
+        default:
+            return DisplayImpl::validateClientBuffer(config, buftype, clientBuffer, attribs);
+    }
+}
+
+egl::Error DisplayD3D::validateImageClientBuffer(const gl::Context *context,
+                                                 EGLenum target,
+                                                 EGLClientBuffer clientBuffer,
+                                                 const egl::AttributeMap &attribs) const
+{
+    switch (target)
+    {
+        case EGL_D3D11_TEXTURE_ANGLE:
+        {
+            return mRenderer->getD3DTextureInfo(nullptr, static_cast<IUnknown *>(clientBuffer),
+                                                attribs, nullptr, nullptr, nullptr, nullptr,
+                                                nullptr, nullptr);
+        }
+
+        default:
+            return DisplayImpl::validateImageClientBuffer(context, target, clientBuffer, attribs);
+    }
+}
+
+void DisplayD3D::generateExtensions(egl::DisplayExtensions *outExtensions) const
+{
+    mRenderer->generateDisplayExtensions(outExtensions);
+}
+
+std::string DisplayD3D::getRendererDescription()
+{
+    if (mRenderer)
+    {
+        return mRenderer->getRendererDescription();
+    }
+    return std::string();
+}
+
+std::string DisplayD3D::getVendorString()
+{
+    if (mRenderer)
+    {
+        return mRenderer->getVendorString();
+    }
+    return std::string();
+}
+
+std::string DisplayD3D::getVersionString(bool includeFullVersion)
+{
+    if (mRenderer)
+    {
+        return mRenderer->getVersionString(includeFullVersion);
+    }
+    return std::string();
+}
+
+void DisplayD3D::generateCaps(egl::Caps *outCaps) const
+{
+    // Display must be initialized to generate caps
+    ASSERT(mRenderer != nullptr);
+
+    outCaps->textureNPOT = mRenderer->getNativeExtensions().textureNpotOES;
+}
+
+egl::Error DisplayD3D::waitClient(const gl::Context *context)
+{
+    for (egl::Surface *surface : mState.surfaceSet)
+    {
+        SurfaceD3D *surfaceD3D = GetImplAs<SurfaceD3D>(surface);
+        ANGLE_TRY(surfaceD3D->checkForOutOfDateSwapChain(this));
+    }
+
+    return egl::NoError();
+}
+
+egl::Error DisplayD3D::waitNative(const gl::Context *context, EGLint engine)
+{
+    egl::Surface *drawSurface = context->getCurrentDrawSurface();
+    egl::Surface *readSurface = context->getCurrentReadSurface();
+
+    if (drawSurface != nullptr)
+    {
+        SurfaceD3D *drawSurfaceD3D = GetImplAs<SurfaceD3D>(drawSurface);
+        ANGLE_TRY(drawSurfaceD3D->checkForOutOfDateSwapChain(this));
+    }
+
+    if (readSurface != nullptr)
+    {
+        SurfaceD3D *readSurfaceD3D = GetImplAs<SurfaceD3D>(readSurface);
+        ANGLE_TRY(readSurfaceD3D->checkForOutOfDateSwapChain(this));
+    }
+
+    return egl::NoError();
+}
+
+gl::Version DisplayD3D::getMaxSupportedESVersion() const
+{
+    return mRenderer->getMaxSupportedESVersion();
+}
+
+gl::Version DisplayD3D::getMaxConformantESVersion() const
+{
+    return mRenderer->getMaxConformantESVersion();
+}
+
+Optional<gl::Version> DisplayD3D::getMaxSupportedDesktopVersion() const
+{
+    return Optional<gl::Version>::Invalid();
+}
+
+void DisplayD3D::handleResult(HRESULT hr,
+                              const char *message,
+                              const char *file,
+                              const char *function,
+                              unsigned int line)
+{
+    ASSERT(FAILED(hr));
+
+    std::stringstream errorStream;
+    errorStream << "Internal D3D11 error: " << gl::FmtHR(hr) << ", in " << file << ", " << function
+                << ":" << line << ". " << message;
+
+    mStoredErrorString = errorStream.str();
+}
+
+void DisplayD3D::initializeFrontendFeatures(angle::FrontendFeatures *features) const
+{
+    mRenderer->initializeFrontendFeatures(features);
+}
+
+void DisplayD3D::populateFeatureList(angle::FeatureList *features)
+{
+    mRenderer->getFeatures().populateFeatureList(features);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DisplayD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DisplayD3D.h
new file mode 100644
index 0000000000..890658f5ea
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DisplayD3D.h
@@ -0,0 +1,179 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DisplayD3D.h: D3D implementation of egl::Display
+
+#ifndef LIBANGLE_RENDERER_D3D_DISPLAYD3D_H_
+#define LIBANGLE_RENDERER_D3D_DISPLAYD3D_H_
+
+#include "libANGLE/Device.h"
+#include "libANGLE/renderer/DisplayImpl.h"
+
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace rx
+{
+class ShareGroupD3D : public ShareGroupImpl
+{};
+
+class DisplayD3D : public DisplayImpl, public d3d::Context
+{
+  public:
+    DisplayD3D(const egl::DisplayState &state);
+
+    egl::Error initialize(egl::Display *display) override;
+    void terminate() override;
+
+    // Surface creation
+    SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
+                                     EGLNativeWindowType window,
+                                     const egl::AttributeMap &attribs) override;
+    SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
+                                      const egl::AttributeMap &attribs) override;
+    SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
+                                               EGLenum buftype,
+                                               EGLClientBuffer clientBuffer,
+                                               const egl::AttributeMap &attribs) override;
+    SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
+                                     NativePixmapType nativePixmap,
+                                     const egl::AttributeMap &attribs) override;
+
+    ImageImpl *createImage(const egl::ImageState &state,
+                           const gl::Context *context,
+                           EGLenum target,
+                           const egl::AttributeMap &attribs) override;
+
+    ContextImpl *createContext(const gl::State &state,
+                               gl::ErrorSet *errorSet,
+                               const egl::Config *configuration,
+                               const gl::Context *shareContext,
+                               const egl::AttributeMap &attribs) override;
+
+    StreamProducerImpl *createStreamProducerD3DTexture(egl::Stream::ConsumerType consumerType,
+                                                       const egl::AttributeMap &attribs) override;
+
+    ExternalImageSiblingImpl *createExternalImageSibling(const gl::Context *context,
+                                                         EGLenum target,
+                                                         EGLClientBuffer buffer,
+                                                         const egl::AttributeMap &attribs) override;
+
+    ShareGroupImpl *createShareGroup() override;
+
+    egl::Error makeCurrent(egl::Display *display,
+                           egl::Surface *drawSurface,
+                           egl::Surface *readSurface,
+                           gl::Context *context) override;
+
+    egl::ConfigSet generateConfigs() override;
+
+    bool testDeviceLost() override;
+    egl::Error restoreLostDevice(const egl::Display *display) override;
+
+    bool isValidNativeWindow(EGLNativeWindowType window) const override;
+    egl::Error validateClientBuffer(const egl::Config *configuration,
+                                    EGLenum buftype,
+                                    EGLClientBuffer clientBuffer,
+                                    const egl::AttributeMap &attribs) const override;
+    egl::Error validateImageClientBuffer(const gl::Context *context,
+                                         EGLenum target,
+                                         EGLClientBuffer clientBuffer,
+                                         const egl::AttributeMap &attribs) const override;
+
+    DeviceImpl *createDevice() override;
+
+    std::string getRendererDescription() override;
+    std::string getVendorString() override;
+    std::string getVersionString(bool includeFullVersion) override;
+
+    egl::Error waitClient(const gl::Context *context) override;
+    egl::Error waitNative(const gl::Context *context, EGLint engine) override;
+    gl::Version getMaxSupportedESVersion() const override;
+    gl::Version getMaxConformantESVersion() const override;
+    Optional<gl::Version> getMaxSupportedDesktopVersion() const override;
+
+    void handleResult(HRESULT hr,
+                      const char *message,
+                      const char *file,
+                      const char *function,
+                      unsigned int line) override;
+
+    const std::string &getStoredErrorString() const { return mStoredErrorString; }
+
+    void initializeFrontendFeatures(angle::FrontendFeatures *features) const override;
+
+    void populateFeatureList(angle::FeatureList *features) override;
+
+  private:
+    void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
+    void generateCaps(egl::Caps *outCaps) const override;
+
+    egl::Display *mDisplay;
+
+    rx::RendererD3D *mRenderer;
+    std::string mStoredErrorString;
+};
+
+// Possible reasons RendererD3D initialize can fail
+enum D3D11InitError
+{
+    // The renderer loaded successfully
+    D3D11_INIT_SUCCESS = 0,
+    // Failed to load the ANGLE & D3D compiler libraries
+    D3D11_INIT_COMPILER_ERROR,
+    // Failed to load a necessary DLL (non-compiler)
+    D3D11_INIT_MISSING_DEP,
+    // CreateDevice returned E_INVALIDARG
+    D3D11_INIT_CREATEDEVICE_INVALIDARG,
+    // CreateDevice failed with an error other than invalid arg
+    D3D11_INIT_CREATEDEVICE_ERROR,
+    // DXGI 1.2 required but not found
+    D3D11_INIT_INCOMPATIBLE_DXGI,
+    // Other initialization error
+    D3D11_INIT_OTHER_ERROR,
+    // CreateDevice returned E_FAIL
+    D3D11_INIT_CREATEDEVICE_FAIL,
+    // CreateDevice returned E_NOTIMPL
+    D3D11_INIT_CREATEDEVICE_NOTIMPL,
+    // CreateDevice returned E_OUTOFMEMORY
+    D3D11_INIT_CREATEDEVICE_OUTOFMEMORY,
+    // CreateDevice returned DXGI_ERROR_INVALID_CALL
+    D3D11_INIT_CREATEDEVICE_INVALIDCALL,
+    // CreateDevice returned DXGI_ERROR_SDK_COMPONENT_MISSING
+    D3D11_INIT_CREATEDEVICE_COMPONENTMISSING,
+    // CreateDevice returned DXGI_ERROR_WAS_STILL_DRAWING
+    D3D11_INIT_CREATEDEVICE_WASSTILLDRAWING,
+    // CreateDevice returned DXGI_ERROR_NOT_CURRENTLY_AVAILABLE
+    D3D11_INIT_CREATEDEVICE_NOTAVAILABLE,
+    // CreateDevice returned DXGI_ERROR_DEVICE_HUNG
+    D3D11_INIT_CREATEDEVICE_DEVICEHUNG,
+    // CreateDevice returned NULL
+    D3D11_INIT_CREATEDEVICE_NULL,
+    NUM_D3D11_INIT_ERRORS
+};
+
+enum D3D9InitError
+{
+    D3D9_INIT_SUCCESS = 0,
+    // Failed to load the D3D or ANGLE compiler
+    D3D9_INIT_COMPILER_ERROR,
+    // Failed to load a necessary DLL
+    D3D9_INIT_MISSING_DEP,
+    // Device creation error
+    D3D9_INIT_CREATE_DEVICE_ERROR,
+    // System does not meet minimum shader spec
+    D3D9_INIT_UNSUPPORTED_VERSION,
+    // System does not support stretchrect from textures
+    D3D9_INIT_UNSUPPORTED_STRETCHRECT,
+    // A call returned out of memory or device lost
+    D3D9_INIT_OUT_OF_MEMORY,
+    // Other unspecified error
+    D3D9_INIT_OTHER_ERROR,
+    NUM_D3D9_INIT_ERRORS
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_DISPLAYD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.cpp
new file mode 100644
index 0000000000..b83c8bac6e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.cpp
@@ -0,0 +1,1537 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DynamicHLSL.cpp: Implementation for link and run-time HLSL generation
+//
+
+#include "libANGLE/renderer/d3d/DynamicHLSL.h"
+
+#include "common/string_utils.h"
+#include "common/utilities.h"
+#include "compiler/translator/blocklayoutHLSL.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/VaryingPacking.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+
+using namespace gl;
+
+namespace rx
+{
+
+namespace
+{
+
+// kShaderStorageDeclarationString must be the same as outputHLSL.
+constexpr const char kShaderStorageDeclarationString[] =
+    "// @@ SHADER STORAGE DECLARATION STRING @@";
+
+const char *HLSLComponentTypeString(GLenum componentType)
+{
+    switch (componentType)
+    {
+        case GL_UNSIGNED_INT:
+            return "uint";
+        case GL_INT:
+            return "int";
+        case GL_UNSIGNED_NORMALIZED:
+        case GL_SIGNED_NORMALIZED:
+        case GL_FLOAT:
+            return "float";
+        default:
+            UNREACHABLE();
+            return "not-component-type";
+    }
+}
+
+void HLSLComponentTypeString(std::ostringstream &ostream, GLenum componentType, int componentCount)
+{
+    ostream << HLSLComponentTypeString(componentType);
+    if (componentCount > 1)
+    {
+        ostream << componentCount;
+    }
+}
+
+const char *HLSLMatrixTypeString(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT_MAT2:
+            return "float2x2";
+        case GL_FLOAT_MAT3:
+            return "float3x3";
+        case GL_FLOAT_MAT4:
+            return "float4x4";
+        case GL_FLOAT_MAT2x3:
+            return "float2x3";
+        case GL_FLOAT_MAT3x2:
+            return "float3x2";
+        case GL_FLOAT_MAT2x4:
+            return "float2x4";
+        case GL_FLOAT_MAT4x2:
+            return "float4x2";
+        case GL_FLOAT_MAT3x4:
+            return "float3x4";
+        case GL_FLOAT_MAT4x3:
+            return "float4x3";
+        default:
+            UNREACHABLE();
+            return "not-matrix-type";
+    }
+}
+
+void HLSLTypeString(std::ostringstream &ostream, GLenum type)
+{
+    if (gl::IsMatrixType(type))
+    {
+        ostream << HLSLMatrixTypeString(type);
+        return;
+    }
+
+    HLSLComponentTypeString(ostream, gl::VariableComponentType(type),
+                            gl::VariableComponentCount(type));
+}
+
+const PixelShaderOutputVariable *FindOutputAtLocation(
+    const std::vector<PixelShaderOutputVariable> &outputVariables,
+    unsigned int location,
+    size_t index = 0)
+{
+    for (auto &outputVar : outputVariables)
+    {
+        if (outputVar.outputLocation == location && outputVar.outputIndex == index)
+        {
+            return &outputVar;
+        }
+    }
+
+    return nullptr;
+}
+
+void WriteArrayString(std::ostringstream &strstr, unsigned int i)
+{
+    static_assert(GL_INVALID_INDEX == UINT_MAX,
+                  "GL_INVALID_INDEX must be equal to the max unsigned int.");
+    if (i == UINT_MAX)
+    {
+        return;
+    }
+
+    strstr << "[";
+    strstr << i;
+    strstr << "]";
+}
+
+bool ReplaceShaderStorageDeclaration(const std::vector<ShaderStorageBlock> &shaderStorageBlocks,
+                                     std::string *hlsl,
+                                     size_t baseUAVRegister,
+                                     gl::ShaderType shaderType)
+{
+    std::string ssboHeader;
+    std::ostringstream out(ssboHeader);
+    for (const ShaderStorageBlock &ssbo : shaderStorageBlocks)
+    {
+        size_t uavRegister = baseUAVRegister + ssbo.registerIndex;
+        std::string name   = ssbo.name;
+        if (ssbo.arraySize > 0)
+        {
+            for (unsigned int arrayIndex = 0; arrayIndex < ssbo.arraySize; arrayIndex++)
+            {
+                out << "RWByteAddressBuffer "
+                    << "dx_" << name << "_" << arrayIndex << ": register(u"
+                    << uavRegister + arrayIndex << ");\n";
+            }
+        }
+        else
+        {
+            out << "RWByteAddressBuffer "
+                << "_" << name << ": register(u" << uavRegister << ");\n";
+        }
+    }
+    if (out.str().empty())
+    {
+        return true;
+    }
+    return angle::ReplaceSubstring(hlsl, kShaderStorageDeclarationString, out.str());
+}
+
+constexpr const char *VERTEX_ATTRIBUTE_STUB_STRING      = "@@ VERTEX ATTRIBUTES @@";
+constexpr const char *VERTEX_OUTPUT_STUB_STRING         = "@@ VERTEX OUTPUT @@";
+constexpr const char *PIXEL_OUTPUT_STUB_STRING          = "@@ PIXEL OUTPUT @@";
+constexpr const char *PIXEL_MAIN_PARAMETERS_STUB_STRING = "@@ PIXEL MAIN PARAMETERS @@";
+constexpr const char *MAIN_PROLOGUE_STUB_STRING         = "@@ MAIN PROLOGUE @@";
+}  // anonymous namespace
+
+// BuiltinInfo implementation
+
+BuiltinInfo::BuiltinInfo()  = default;
+BuiltinInfo::~BuiltinInfo() = default;
+
+// DynamicHLSL implementation
+
+DynamicHLSL::DynamicHLSL(RendererD3D *const renderer) : mRenderer(renderer) {}
+
+std::string DynamicHLSL::generateVertexShaderForInputLayout(
+    const std::string &sourceShader,
+    const InputLayout &inputLayout,
+    const std::vector<sh::ShaderVariable> &shaderAttributes,
+    const std::vector<rx::ShaderStorageBlock> &shaderStorageBlocks,
+    size_t baseUAVRegister) const
+{
+    std::ostringstream structStream;
+    std::ostringstream initStream;
+
+    structStream << "struct VS_INPUT\n"
+                 << "{\n";
+
+    int semanticIndex       = 0;
+    unsigned int inputIndex = 0;
+
+    // If gl_PointSize is used in the shader then pointsprites rendering is expected.
+    // If the renderer does not support Geometry shaders then Instanced PointSprite emulation
+    // must be used.
+    bool usesPointSize = sourceShader.find("GL_USES_POINT_SIZE") != std::string::npos;
+    bool useInstancedPointSpriteEmulation =
+        usesPointSize && mRenderer->getFeatures().useInstancedPointSpriteEmulation.enabled;
+
+    // Instanced PointSprite emulation requires additional entries in the
+    // VS_INPUT structure to support the vertices that make up the quad vertices.
+    // These values must be in sync with the cooresponding values added during inputlayout creation
+    // in InputLayoutCache::applyVertexBuffers().
+    //
+    // The additional entries must appear first in the VS_INPUT layout because
+    // Windows Phone 8 era devices require per vertex data to physically come
+    // before per instance data in the shader.
+    if (useInstancedPointSpriteEmulation)
+    {
+        structStream << "    float3 spriteVertexPos : SPRITEPOSITION0;\n"
+                     << "    float2 spriteTexCoord : SPRITETEXCOORD0;\n";
+    }
+
+    for (size_t attributeIndex = 0; attributeIndex < shaderAttributes.size(); ++attributeIndex)
+    {
+        const sh::ShaderVariable &shaderAttribute = shaderAttributes[attributeIndex];
+        if (!shaderAttribute.name.empty())
+        {
+            ASSERT(inputIndex < MAX_VERTEX_ATTRIBS);
+            angle::FormatID vertexFormatID =
+                inputIndex < inputLayout.size() ? inputLayout[inputIndex] : angle::FormatID::NONE;
+
+            // HLSL code for input structure
+            if (IsMatrixType(shaderAttribute.type))
+            {
+                // Matrix types are always transposed
+                structStream << "    "
+                             << HLSLMatrixTypeString(TransposeMatrixType(shaderAttribute.type));
+            }
+            else
+            {
+                if (shaderAttribute.name == "gl_InstanceID" ||
+                    shaderAttribute.name == "gl_VertexID")
+                {
+                    // The input types of the instance ID and vertex ID in HLSL (uint) differs from
+                    // the ones in ESSL (int).
+                    structStream << " uint";
+                }
+                else
+                {
+                    GLenum componentType = mRenderer->getVertexComponentType(vertexFormatID);
+
+                    structStream << "    ";
+                    HLSLComponentTypeString(structStream, componentType,
+                                            VariableComponentCount(shaderAttribute.type));
+                }
+            }
+
+            structStream << " " << DecorateVariable(shaderAttribute.name) << " : ";
+
+            if (shaderAttribute.name == "gl_InstanceID")
+            {
+                structStream << "SV_InstanceID";
+            }
+            else if (shaderAttribute.name == "gl_VertexID")
+            {
+                structStream << "SV_VertexID";
+            }
+            else
+            {
+                structStream << "TEXCOORD" << semanticIndex;
+                semanticIndex += VariableRegisterCount(shaderAttribute.type);
+            }
+
+            structStream << ";\n";
+
+            // HLSL code for initialization
+            initStream << "    " << DecorateVariable(shaderAttribute.name) << " = ";
+
+            // Mismatched vertex attribute to vertex input may result in an undefined
+            // data reinterpretation (eg for pure integer->float, float->pure integer)
+            // TODO: issue warning with gl debug info extension, when supported
+            if (IsMatrixType(shaderAttribute.type) ||
+                (mRenderer->getVertexConversionType(vertexFormatID) & VERTEX_CONVERT_GPU) != 0)
+            {
+                GenerateAttributeConversionHLSL(vertexFormatID, shaderAttribute, initStream);
+            }
+            else
+            {
+                initStream << "input." << DecorateVariable(shaderAttribute.name);
+            }
+
+            if (shaderAttribute.name == "gl_VertexID")
+            {
+                // dx_VertexID contains the firstVertex offset
+                initStream << " + dx_VertexID";
+            }
+
+            initStream << ";\n";
+
+            inputIndex += VariableRowCount(TransposeMatrixType(shaderAttribute.type));
+        }
+    }
+
+    structStream << "};\n"
+                    "\n"
+                    "void initAttributes(VS_INPUT input)\n"
+                    "{\n"
+                 << initStream.str() << "}\n";
+
+    std::string vertexHLSL(sourceShader);
+
+    bool success =
+        angle::ReplaceSubstring(&vertexHLSL, VERTEX_ATTRIBUTE_STUB_STRING, structStream.str());
+    ASSERT(success);
+
+    success = ReplaceShaderStorageDeclaration(shaderStorageBlocks, &vertexHLSL, baseUAVRegister,
+                                              gl::ShaderType::Vertex);
+    ASSERT(success);
+
+    return vertexHLSL;
+}
+
+std::string DynamicHLSL::generatePixelShaderForOutputSignature(
+    const std::string &sourceShader,
+    const std::vector<PixelShaderOutputVariable> &outputVariables,
+    bool usesFragDepth,
+    const std::vector<GLenum> &outputLayout,
+    const std::vector<ShaderStorageBlock> &shaderStorageBlocks,
+    size_t baseUAVRegister) const
+{
+    const int shaderModel      = mRenderer->getMajorShaderModel();
+    std::string targetSemantic = (shaderModel >= 4) ? "SV_TARGET" : "COLOR";
+    std::string depthSemantic  = (shaderModel >= 4) ? "SV_Depth" : "DEPTH";
+
+    std::ostringstream declarationStream;
+    std::ostringstream copyStream;
+
+    declarationStream << "struct PS_OUTPUT\n"
+                         "{\n";
+
+    size_t numOutputs = outputLayout.size();
+
+    // Workaround for HLSL 3.x: We can't do a depth/stencil only render, the runtime will complain.
+    if (numOutputs == 0 && (shaderModel == 3 || !mRenderer->getShaderModelSuffix().empty()))
+    {
+        numOutputs = 1u;
+    }
+    const PixelShaderOutputVariable defaultOutput(GL_FLOAT_VEC4, "unused", "float4(0, 0, 0, 1)", 0,
+                                                  0);
+    size_t outputIndex = 0;
+
+    for (size_t layoutIndex = 0; layoutIndex < numOutputs; ++layoutIndex)
+    {
+        GLenum binding = outputLayout.empty() ? GL_COLOR_ATTACHMENT0 : outputLayout[layoutIndex];
+
+        if (binding != GL_NONE)
+        {
+            unsigned int location = (binding - GL_COLOR_ATTACHMENT0);
+            outputIndex =
+                layoutIndex > 0 && binding == outputLayout[layoutIndex - 1] ? outputIndex + 1 : 0;
+
+            const PixelShaderOutputVariable *outputVariable =
+                outputLayout.empty() ? &defaultOutput
+                                     : FindOutputAtLocation(outputVariables, location, outputIndex);
+
+            // OpenGL ES 3.0 spec $4.2.1
+            // If [...] not all user-defined output variables are written, the values of fragment
+            // colors corresponding to unwritten variables are similarly undefined.
+            if (outputVariable)
+            {
+                declarationStream << "    ";
+                HLSLTypeString(declarationStream, outputVariable->type);
+                declarationStream << " " << outputVariable->name << " : " << targetSemantic
+                                  << static_cast<int>(layoutIndex) << ";\n";
+
+                copyStream << "    output." << outputVariable->name << " = "
+                           << outputVariable->source << ";\n";
+            }
+        }
+    }
+
+    if (usesFragDepth)
+    {
+        declarationStream << "    float gl_Depth : " << depthSemantic << ";\n";
+        copyStream << "    output.gl_Depth = gl_Depth; \n";
+    }
+
+    declarationStream << "};\n"
+                         "\n"
+                         "PS_OUTPUT generateOutput()\n"
+                         "{\n"
+                         "    PS_OUTPUT output;\n"
+                      << copyStream.str()
+                      << "    return output;\n"
+                         "}\n";
+
+    std::string pixelHLSL(sourceShader);
+
+    bool success =
+        angle::ReplaceSubstring(&pixelHLSL, PIXEL_OUTPUT_STUB_STRING, declarationStream.str());
+    ASSERT(success);
+
+    success = ReplaceShaderStorageDeclaration(shaderStorageBlocks, &pixelHLSL, baseUAVRegister,
+                                              gl::ShaderType::Fragment);
+    ASSERT(success);
+
+    return pixelHLSL;
+}
+
+std::string DynamicHLSL::generateShaderForImage2DBindSignature(
+    ProgramD3D &programD3D,
+    const gl::ProgramState &programData,
+    gl::ShaderType shaderType,
+    const std::string &shaderHLSL,
+    std::vector<sh::ShaderVariable> &image2DUniforms,
+    const gl::ImageUnitTextureTypeMap &image2DBindLayout,
+    unsigned int baseUAVRegister) const
+{
+    if (image2DUniforms.empty())
+    {
+        return shaderHLSL;
+    }
+
+    return GenerateShaderForImage2DBindSignature(programD3D, programData, shaderType, shaderHLSL,
+                                                 image2DUniforms, image2DBindLayout,
+                                                 baseUAVRegister);
+}
+
+void DynamicHLSL::generateVaryingLinkHLSL(const VaryingPacking &varyingPacking,
+                                          const BuiltinInfo &builtins,
+                                          bool programUsesPointSize,
+                                          std::ostringstream &hlslStream) const
+{
+    ASSERT(builtins.dxPosition.enabled);
+    hlslStream << "{\n"
+               << "    float4 dx_Position : " << builtins.dxPosition.str() << ";\n";
+
+    if (builtins.glPosition.enabled)
+    {
+        hlslStream << "    float4 gl_Position : " << builtins.glPosition.str() << ";\n";
+    }
+
+    if (builtins.glFragCoord.enabled)
+    {
+        hlslStream << "    float4 gl_FragCoord : " << builtins.glFragCoord.str() << ";\n";
+    }
+
+    if (builtins.glPointCoord.enabled)
+    {
+        hlslStream << "    float2 gl_PointCoord : " << builtins.glPointCoord.str() << ";\n";
+    }
+
+    if (builtins.glPointSize.enabled)
+    {
+        hlslStream << "    float gl_PointSize : " << builtins.glPointSize.str() << ";\n";
+    }
+
+    if (builtins.glViewIDOVR.enabled)
+    {
+        hlslStream << "    nointerpolation uint gl_ViewID_OVR : " << builtins.glViewIDOVR.str()
+                   << ";\n";
+    }
+
+    std::string varyingSemantic =
+        GetVaryingSemantic(mRenderer->getMajorShaderModel(), programUsesPointSize);
+
+    const auto &registerInfos = varyingPacking.getRegisterList();
+    for (GLuint registerIndex = 0u; registerIndex < registerInfos.size(); ++registerIndex)
+    {
+        const PackedVaryingRegister &registerInfo = registerInfos[registerIndex];
+        const auto &varying                       = registerInfo.packedVarying->varying();
+        ASSERT(!varying.isStruct());
+
+        // TODO: Add checks to ensure D3D interpolation modifiers don't result in too many
+        // registers being used.
+        // For example, if there are N registers, and we have N vec3 varyings and 1 float
+        // varying, then D3D will pack them into N registers.
+        // If the float varying has the 'nointerpolation' modifier on it then we would need
+        // N + 1 registers, and D3D compilation will fail.
+
+        switch (registerInfo.packedVarying->interpolation)
+        {
+            case sh::INTERPOLATION_SMOOTH:
+                hlslStream << "    ";
+                break;
+            case sh::INTERPOLATION_FLAT:
+                hlslStream << "    nointerpolation ";
+                break;
+            case sh::INTERPOLATION_CENTROID:
+                hlslStream << "    centroid ";
+                break;
+            case sh::INTERPOLATION_SAMPLE:
+                hlslStream << "    sample ";
+                break;
+            default:
+                UNREACHABLE();
+        }
+
+        GLenum transposedType = gl::TransposeMatrixType(varying.type);
+        GLenum componentType  = gl::VariableComponentType(transposedType);
+        int columnCount       = gl::VariableColumnCount(transposedType);
+        HLSLComponentTypeString(hlslStream, componentType, columnCount);
+        hlslStream << " v" << registerIndex << " : " << varyingSemantic << registerIndex << ";\n";
+    }
+
+    // Note that the following outputs need to be declared after the others. They are not included
+    // in pixel shader inputs even when they are in vertex/geometry shader outputs, and the pixel
+    // shader input struct must be a prefix of the vertex/geometry shader output struct.
+
+    if (builtins.glViewportIndex.enabled)
+    {
+        hlslStream << "    nointerpolation uint gl_ViewportIndex : "
+                   << builtins.glViewportIndex.str() << ";\n";
+    }
+
+    if (builtins.glLayer.enabled)
+    {
+        hlslStream << "    nointerpolation uint gl_Layer : " << builtins.glLayer.str() << ";\n";
+    }
+
+    hlslStream << "};\n";
+}
+
+void DynamicHLSL::generateShaderLinkHLSL(const gl::Context *context,
+                                         const gl::Caps &caps,
+                                         const gl::ProgramState &programData,
+                                         const ProgramD3DMetadata &programMetadata,
+                                         const VaryingPacking &varyingPacking,
+                                         const BuiltinVaryingsD3D &builtinsD3D,
+                                         gl::ShaderMap<std::string> *shaderHLSL) const
+{
+    ASSERT(shaderHLSL);
+    ASSERT((*shaderHLSL)[gl::ShaderType::Vertex].empty() &&
+           (*shaderHLSL)[gl::ShaderType::Fragment].empty());
+
+    gl::Shader *vertexShaderGL   = programData.getAttachedShader(ShaderType::Vertex);
+    gl::Shader *fragmentShaderGL = programData.getAttachedShader(ShaderType::Fragment);
+    const int shaderModel        = mRenderer->getMajorShaderModel();
+
+    const ShaderD3D *fragmentShader = nullptr;
+    if (fragmentShaderGL)
+    {
+        fragmentShader = GetImplAs<ShaderD3D>(fragmentShaderGL);
+    }
+
+    // usesViewScale() isn't supported in the D3D9 renderer
+    ASSERT(shaderModel >= 4 || !programMetadata.usesViewScale());
+
+    bool useInstancedPointSpriteEmulation =
+        programMetadata.usesPointSize() &&
+        mRenderer->getFeatures().useInstancedPointSpriteEmulation.enabled;
+
+    // Validation done in the compiler
+    ASSERT(!fragmentShader || !fragmentShader->usesFragColor() || !fragmentShader->usesFragData());
+
+    std::ostringstream vertexStream;
+    vertexStream << "struct VS_OUTPUT\n";
+    const auto &vertexBuiltins = builtinsD3D[gl::ShaderType::Vertex];
+    generateVaryingLinkHLSL(varyingPacking, vertexBuiltins, builtinsD3D.usesPointSize(),
+                            vertexStream);
+
+    // Instanced PointSprite emulation requires additional entries originally generated in the
+    // GeometryShader HLSL. These include pointsize clamp values.
+    if (useInstancedPointSpriteEmulation)
+    {
+        vertexStream << "static float minPointSize = " << static_cast<int>(caps.minAliasedPointSize)
+                     << ".0f;\n"
+                     << "static float maxPointSize = " << static_cast<int>(caps.maxAliasedPointSize)
+                     << ".0f;\n";
+    }
+
+    std::ostringstream vertexGenerateOutput;
+    vertexGenerateOutput << "VS_OUTPUT generateOutput(VS_INPUT input)\n"
+                         << "{\n"
+                         << "    VS_OUTPUT output;\n";
+
+    if (vertexBuiltins.glPosition.enabled)
+    {
+        vertexGenerateOutput << "    output.gl_Position = gl_Position;\n";
+    }
+
+    if (vertexBuiltins.glViewIDOVR.enabled)
+    {
+        vertexGenerateOutput << "    output.gl_ViewID_OVR = ViewID_OVR;\n";
+    }
+    if (programMetadata.hasANGLEMultiviewEnabled() && programMetadata.canSelectViewInVertexShader())
+    {
+        ASSERT(vertexBuiltins.glViewportIndex.enabled && vertexBuiltins.glLayer.enabled);
+        vertexGenerateOutput << "    if (multiviewSelectViewportIndex)\n"
+                             << "    {\n"
+                             << "         output.gl_ViewportIndex = ViewID_OVR;\n"
+                             << "    } else {\n"
+                             << "         output.gl_ViewportIndex = 0;\n"
+                             << "         output.gl_Layer = ViewID_OVR;\n"
+                             << "    }\n";
+    }
+
+    // On D3D9 or D3D11 Feature Level 9, we need to emulate large viewports using dx_ViewAdjust.
+    if (shaderModel >= 4 && mRenderer->getShaderModelSuffix() == "")
+    {
+        vertexGenerateOutput << "    output.dx_Position.x = gl_Position.x;\n";
+
+        if (programMetadata.usesViewScale())
+        {
+            // This code assumes that dx_ViewScale.y = -1.0f when rendering to texture, and +1.0f
+            // when rendering to the default framebuffer. No other values are valid.
+            vertexGenerateOutput << "    output.dx_Position.y = dx_ViewScale.y * gl_Position.y;\n";
+        }
+        else
+        {
+            vertexGenerateOutput
+                << "    output.dx_Position.y = clipControlOrigin * gl_Position.y;\n";
+        }
+
+        vertexGenerateOutput
+            << "    if (clipControlZeroToOne)\n"
+            << "    {\n"
+            << "        output.dx_Position.z = gl_Position.z;\n"
+            << "    } else {\n"
+            << "        output.dx_Position.z = (gl_Position.z + gl_Position.w) * 0.5;\n"
+            << "    }\n";
+
+        vertexGenerateOutput << "    output.dx_Position.w = gl_Position.w;\n";
+    }
+    else
+    {
+        vertexGenerateOutput << "    output.dx_Position.x = gl_Position.x * dx_ViewAdjust.z + "
+                                "dx_ViewAdjust.x * gl_Position.w;\n";
+
+        // If usesViewScale() is true and we're using the D3D11 renderer via Feature Level 9_*,
+        // then we need to multiply the gl_Position.y by the viewScale.
+        // usesViewScale() isn't supported when using the D3D9 renderer.
+        if (programMetadata.usesViewScale() &&
+            (shaderModel >= 4 && mRenderer->getShaderModelSuffix() != ""))
+        {
+            vertexGenerateOutput << "    output.dx_Position.y = dx_ViewScale.y * (gl_Position.y * "
+                                    "dx_ViewAdjust.w + dx_ViewAdjust.y * gl_Position.w);\n";
+        }
+        else
+        {
+            vertexGenerateOutput << "    output.dx_Position.y = clipControlOrigin * (gl_Position.y "
+                                    "* dx_ViewAdjust.w + "
+                                    "dx_ViewAdjust.y * gl_Position.w);\n";
+        }
+
+        vertexGenerateOutput
+            << "    if (clipControlZeroToOne)\n"
+            << "    {\n"
+            << "        output.dx_Position.z = gl_Position.z;\n"
+            << "    } else {\n"
+            << "        output.dx_Position.z = (gl_Position.z + gl_Position.w) * 0.5;\n"
+            << "    }\n";
+
+        vertexGenerateOutput << "    output.dx_Position.w = gl_Position.w;\n";
+    }
+
+    // We don't need to output gl_PointSize if we use are emulating point sprites via instancing.
+    if (vertexBuiltins.glPointSize.enabled)
+    {
+        vertexGenerateOutput << "    output.gl_PointSize = gl_PointSize;\n";
+    }
+
+    if (vertexBuiltins.glFragCoord.enabled)
+    {
+        vertexGenerateOutput << "    output.gl_FragCoord = gl_Position;\n";
+    }
+
+    const auto &registerInfos = varyingPacking.getRegisterList();
+    for (GLuint registerIndex = 0u; registerIndex < registerInfos.size(); ++registerIndex)
+    {
+        const PackedVaryingRegister &registerInfo = registerInfos[registerIndex];
+        const auto &packedVarying                 = *registerInfo.packedVarying;
+        const auto &varying                       = *packedVarying.frontVarying.varying;
+        ASSERT(!varying.isStruct());
+
+        vertexGenerateOutput << "    output.v" << registerIndex << " = ";
+
+        if (packedVarying.isStructField())
+        {
+            vertexGenerateOutput << DecorateVariable(packedVarying.frontVarying.parentStructName)
+                                 << ".";
+        }
+
+        vertexGenerateOutput << DecorateVariable(varying.name);
+
+        if (varying.isArray())
+        {
+            WriteArrayString(vertexGenerateOutput, registerInfo.varyingArrayIndex);
+        }
+
+        if (VariableRowCount(varying.type) > 1)
+        {
+            WriteArrayString(vertexGenerateOutput, registerInfo.varyingRowIndex);
+        }
+
+        vertexGenerateOutput << ";\n";
+    }
+
+    // Instanced PointSprite emulation requires additional entries to calculate
+    // the final output vertex positions of the quad that represents each sprite.
+    if (useInstancedPointSpriteEmulation)
+    {
+        vertexGenerateOutput
+            << "\n"
+            << "    gl_PointSize = clamp(gl_PointSize, minPointSize, maxPointSize);\n";
+
+        vertexGenerateOutput
+            << "    output.dx_Position.x += (input.spriteVertexPos.x * gl_PointSize / "
+               "(dx_ViewCoords.x*2)) * output.dx_Position.w;";
+
+        if (programMetadata.usesViewScale())
+        {
+            // Multiply by ViewScale to invert the rendering when appropriate
+            vertexGenerateOutput
+                << "    output.dx_Position.y += (-dx_ViewScale.y * "
+                   "input.spriteVertexPos.y * gl_PointSize / (dx_ViewCoords.y*2)) * "
+                   "output.dx_Position.w;";
+        }
+        else
+        {
+            vertexGenerateOutput
+                << "    output.dx_Position.y += (input.spriteVertexPos.y * gl_PointSize / "
+                   "(dx_ViewCoords.y*2)) * output.dx_Position.w;";
+        }
+
+        vertexGenerateOutput
+            << "    output.dx_Position.z += input.spriteVertexPos.z * output.dx_Position.w;\n";
+
+        if (programMetadata.usesPointCoord())
+        {
+            vertexGenerateOutput << "\n"
+                                 << "    output.gl_PointCoord = input.spriteTexCoord;\n";
+        }
+    }
+
+    // Renderers that enable instanced pointsprite emulation require the vertex shader output member
+    // gl_PointCoord to be set to a default value if used without gl_PointSize. 0.5,0.5 is the same
+    // default value used in the generated pixel shader.
+    if (programMetadata.usesInsertedPointCoordValue())
+    {
+        ASSERT(!useInstancedPointSpriteEmulation);
+        vertexGenerateOutput << "\n"
+                             << "    output.gl_PointCoord = float2(0.5, 0.5);\n";
+    }
+
+    vertexGenerateOutput << "\n"
+                         << "    return output;\n"
+                         << "}";
+
+    if (vertexShaderGL)
+    {
+        std::string vertexSource = vertexShaderGL->getTranslatedSource(context);
+        angle::ReplaceSubstring(&vertexSource, std::string(MAIN_PROLOGUE_STUB_STRING),
+                                "    initAttributes(input);\n");
+        angle::ReplaceSubstring(&vertexSource, std::string(VERTEX_OUTPUT_STUB_STRING),
+                                vertexGenerateOutput.str());
+        vertexStream << vertexSource;
+    }
+
+    const auto &pixelBuiltins = builtinsD3D[gl::ShaderType::Fragment];
+
+    std::ostringstream pixelStream;
+    pixelStream << "struct PS_INPUT\n";
+    generateVaryingLinkHLSL(varyingPacking, pixelBuiltins, builtinsD3D.usesPointSize(),
+                            pixelStream);
+    pixelStream << "\n";
+
+    std::ostringstream pixelPrologue;
+    if (fragmentShader && fragmentShader->usesViewID())
+    {
+        ASSERT(pixelBuiltins.glViewIDOVR.enabled);
+        pixelPrologue << "    ViewID_OVR = input.gl_ViewID_OVR;\n";
+    }
+
+    if (pixelBuiltins.glFragCoord.enabled)
+    {
+        pixelPrologue << "    float rhw = 1.0 / input.gl_FragCoord.w;\n";
+
+        // Certain Shader Models (4_0+ and 3_0) allow reading from dx_Position in the pixel shader.
+        // Other Shader Models (4_0_level_9_3 and 2_x) don't support this, so we emulate it using
+        // dx_ViewCoords.
+        // DComp usually gives us an offset at (0, 0), but this is not always the case. It is
+        // valid for DComp to give us an offset into the texture atlas. In that scenario, we
+        // need to offset gl_FragCoord using dx_FragCoordOffset to point to the correct location
+        // of the pixel.
+        if (shaderModel >= 4 && mRenderer->getShaderModelSuffix() == "")
+        {
+            pixelPrologue << "    gl_FragCoord.x = input.dx_Position.x - dx_FragCoordOffset.x;\n"
+                          << "    gl_FragCoord.y = input.dx_Position.y - dx_FragCoordOffset.y;\n";
+        }
+        else if (shaderModel == 3)
+        {
+            pixelPrologue
+                << "    gl_FragCoord.x = input.dx_Position.x + 0.5 - dx_FragCoordOffset.x;\n"
+                << "    gl_FragCoord.y = input.dx_Position.y + 0.5 - dx_FragCoordOffset.y;\n";
+        }
+        else
+        {
+            // dx_ViewCoords contains the viewport width/2, height/2, center.x and center.y. See
+            // Renderer::setViewport()
+            pixelPrologue
+                << "    gl_FragCoord.x = (input.gl_FragCoord.x * rhw) * dx_ViewCoords.x + "
+                   "dx_ViewCoords.z - dx_FragCoordOffset.x;\n"
+                << "    gl_FragCoord.y = (input.gl_FragCoord.y * rhw) * dx_ViewCoords.y + "
+                   "dx_ViewCoords.w - dx_FragCoordOffset.y;\n";
+        }
+
+        if (programMetadata.usesViewScale())
+        {
+            // For Feature Level 9_3 and below, we need to correct gl_FragCoord.y to account
+            // for dx_ViewScale. On Feature Level 10_0+, gl_FragCoord.y is calculated above using
+            // dx_ViewCoords and is always correct irrespective of dx_ViewScale's value.
+            // NOTE: usesViewScale() can only be true on D3D11 (i.e. Shader Model 4.0+).
+            if (shaderModel >= 4 && mRenderer->getShaderModelSuffix() == "")
+            {
+                // Some assumptions:
+                //  - dx_ViewScale.y = -1.0f when rendering to texture
+                //  - dx_ViewScale.y = +1.0f when rendering to the default framebuffer
+                //  - gl_FragCoord.y has been set correctly above.
+                //
+                // When rendering to the backbuffer, the code inverts gl_FragCoord's y coordinate.
+                // This involves subtracting the y coordinate from the height of the area being
+                // rendered to.
+                //
+                // First we calculate the height of the area being rendered to:
+                //    render_area_height = (2.0f / (1.0f - input.gl_FragCoord.y * rhw)) *
+                //    gl_FragCoord.y
+                //
+                // Note that when we're rendering to default FB, we want our output to be
+                // equivalent to:
+                //    "gl_FragCoord.y = render_area_height - gl_FragCoord.y"
+                //
+                // When we're rendering to a texture, we want our output to be equivalent to:
+                //    "gl_FragCoord.y = gl_FragCoord.y;"
+                //
+                // If we set scale_factor = ((1.0f + dx_ViewScale.y) / 2.0f), then notice that
+                //  - When rendering to default FB: scale_factor = 1.0f
+                //  - When rendering to texture:    scale_factor = 0.0f
+                //
+                // Therefore, we can get our desired output by setting:
+                //    "gl_FragCoord.y = scale_factor * render_area_height - dx_ViewScale.y *
+                //    gl_FragCoord.y"
+                //
+                // Simplifying, this becomes:
+                pixelPrologue
+                    << "    gl_FragCoord.y = (1.0f + dx_ViewScale.y) * gl_FragCoord.y /"
+                       "(1.0f - input.gl_FragCoord.y * rhw)  - dx_ViewScale.y * gl_FragCoord.y;\n";
+            }
+        }
+
+        pixelPrologue << "    gl_FragCoord.z = (input.gl_FragCoord.z * rhw) * dx_DepthFront.x + "
+                         "dx_DepthFront.y;\n"
+                      << "    gl_FragCoord.w = rhw;\n";
+    }
+
+    if (pixelBuiltins.glPointCoord.enabled && shaderModel >= 3)
+    {
+        pixelPrologue << "    gl_PointCoord.x = input.gl_PointCoord.x;\n"
+                      << "    gl_PointCoord.y = 1.0 - input.gl_PointCoord.y;\n";
+    }
+
+    if (fragmentShader && fragmentShader->usesFrontFacing())
+    {
+        if (shaderModel <= 3)
+        {
+            pixelPrologue << "    gl_FrontFacing = (vFace * dx_DepthFront.z >= 0.0);\n";
+        }
+        else
+        {
+            pixelPrologue << "    gl_FrontFacing = isFrontFace;\n";
+        }
+    }
+
+    for (GLuint registerIndex = 0u; registerIndex < registerInfos.size(); ++registerIndex)
+    {
+        const PackedVaryingRegister &registerInfo = registerInfos[registerIndex];
+        const auto &packedVarying                 = *registerInfo.packedVarying;
+
+        // Don't reference VS-only transform feedback varyings in the PS.
+        if (packedVarying.vertexOnly())
+        {
+            continue;
+        }
+
+        const auto &varying = *packedVarying.backVarying.varying;
+        ASSERT(!varying.isBuiltIn() && !varying.isStruct());
+
+        // Note that we're relying on that the active flag is set according to usage in the fragment
+        // shader.
+        if (!varying.active)
+        {
+            continue;
+        }
+
+        pixelPrologue << "    ";
+
+        if (packedVarying.isStructField())
+        {
+            pixelPrologue << DecorateVariable(packedVarying.backVarying.parentStructName) << ".";
+        }
+
+        pixelPrologue << DecorateVariable(varying.name);
+
+        if (varying.isArray())
+        {
+            WriteArrayString(pixelPrologue, registerInfo.varyingArrayIndex);
+        }
+
+        GLenum transposedType = TransposeMatrixType(varying.type);
+        if (VariableRowCount(transposedType) > 1)
+        {
+            WriteArrayString(pixelPrologue, registerInfo.varyingRowIndex);
+        }
+
+        pixelPrologue << " = input.v" << registerIndex;
+
+        switch (VariableColumnCount(transposedType))
+        {
+            case 1:
+                pixelPrologue << ".x";
+                break;
+            case 2:
+                pixelPrologue << ".xy";
+                break;
+            case 3:
+                pixelPrologue << ".xyz";
+                break;
+            case 4:
+                break;
+            default:
+                UNREACHABLE();
+        }
+        pixelPrologue << ";\n";
+    }
+
+    if (fragmentShaderGL)
+    {
+        std::string pixelSource = fragmentShaderGL->getTranslatedSource(context);
+
+        if (fragmentShader->usesFrontFacing())
+        {
+            if (shaderModel >= 4)
+            {
+                angle::ReplaceSubstring(&pixelSource,
+                                        std::string(PIXEL_MAIN_PARAMETERS_STUB_STRING),
+                                        "PS_INPUT input, bool isFrontFace : SV_IsFrontFace");
+            }
+            else
+            {
+                angle::ReplaceSubstring(&pixelSource,
+                                        std::string(PIXEL_MAIN_PARAMETERS_STUB_STRING),
+                                        "PS_INPUT input, float vFace : VFACE");
+            }
+        }
+        else
+        {
+            angle::ReplaceSubstring(&pixelSource, std::string(PIXEL_MAIN_PARAMETERS_STUB_STRING),
+                                    "PS_INPUT input");
+        }
+
+        angle::ReplaceSubstring(&pixelSource, std::string(MAIN_PROLOGUE_STUB_STRING),
+                                pixelPrologue.str());
+        pixelStream << pixelSource;
+    }
+
+    (*shaderHLSL)[gl::ShaderType::Vertex]   = vertexStream.str();
+    (*shaderHLSL)[gl::ShaderType::Fragment] = pixelStream.str();
+}
+
+std::string DynamicHLSL::generateGeometryShaderPreamble(const VaryingPacking &varyingPacking,
+                                                        const BuiltinVaryingsD3D &builtinsD3D,
+                                                        const bool hasANGLEMultiviewEnabled,
+                                                        const bool selectViewInVS) const
+{
+    ASSERT(mRenderer->getMajorShaderModel() >= 4);
+
+    std::ostringstream preambleStream;
+
+    const auto &vertexBuiltins = builtinsD3D[gl::ShaderType::Vertex];
+
+    preambleStream << "struct GS_INPUT\n";
+    generateVaryingLinkHLSL(varyingPacking, vertexBuiltins, builtinsD3D.usesPointSize(),
+                            preambleStream);
+    preambleStream << "\n"
+                   << "struct GS_OUTPUT\n";
+    generateVaryingLinkHLSL(varyingPacking, builtinsD3D[gl::ShaderType::Geometry],
+                            builtinsD3D.usesPointSize(), preambleStream);
+    preambleStream
+        << "\n"
+        << "void copyVertex(inout GS_OUTPUT output, GS_INPUT input, GS_INPUT flatinput)\n"
+        << "{\n"
+        << "    output.gl_Position = input.gl_Position;\n";
+
+    if (vertexBuiltins.glPointSize.enabled)
+    {
+        preambleStream << "    output.gl_PointSize = input.gl_PointSize;\n";
+    }
+
+    if (hasANGLEMultiviewEnabled)
+    {
+        preambleStream << "    output.gl_ViewID_OVR = input.gl_ViewID_OVR;\n";
+        if (selectViewInVS)
+        {
+            ASSERT(builtinsD3D[gl::ShaderType::Geometry].glViewportIndex.enabled &&
+                   builtinsD3D[gl::ShaderType::Geometry].glLayer.enabled);
+
+            // If the view is already selected in the VS, then we just pass the gl_ViewportIndex and
+            // gl_Layer to the output.
+            preambleStream << "    output.gl_ViewportIndex = input.gl_ViewportIndex;\n"
+                           << "    output.gl_Layer = input.gl_Layer;\n";
+        }
+    }
+
+    const auto &registerInfos = varyingPacking.getRegisterList();
+    for (GLuint registerIndex = 0u; registerIndex < registerInfos.size(); ++registerIndex)
+    {
+        const PackedVaryingRegister &varyingRegister = registerInfos[registerIndex];
+        preambleStream << "    output.v" << registerIndex << " = ";
+        if (varyingRegister.packedVarying->interpolation == sh::INTERPOLATION_FLAT)
+        {
+            preambleStream << "flat";
+        }
+        preambleStream << "input.v" << registerIndex << "; \n";
+    }
+
+    if (vertexBuiltins.glFragCoord.enabled)
+    {
+        preambleStream << "    output.gl_FragCoord = input.gl_FragCoord;\n";
+    }
+
+    // Only write the dx_Position if we aren't using point sprites
+    preambleStream << "#ifndef ANGLE_POINT_SPRITE_SHADER\n"
+                   << "    output.dx_Position = input.dx_Position;\n"
+                   << "#endif  // ANGLE_POINT_SPRITE_SHADER\n"
+                   << "}\n";
+
+    if (hasANGLEMultiviewEnabled && !selectViewInVS)
+    {
+        ASSERT(builtinsD3D[gl::ShaderType::Geometry].glViewportIndex.enabled &&
+               builtinsD3D[gl::ShaderType::Geometry].glLayer.enabled);
+
+        // According to the HLSL reference, using SV_RenderTargetArrayIndex is only valid if the
+        // render target is an array resource. Because of this we do not write to gl_Layer if we are
+        // taking the side-by-side code path. We still select the viewport index in the layered code
+        // path as that is always valid. See:
+        // https://msdn.microsoft.com/en-us/library/windows/desktop/bb509647(v=vs.85).aspx
+        preambleStream << "\n"
+                       << "void selectView(inout GS_OUTPUT output, GS_INPUT input)\n"
+                       << "{\n"
+                       << "    if (multiviewSelectViewportIndex)\n"
+                       << "    {\n"
+                       << "        output.gl_ViewportIndex = input.gl_ViewID_OVR;\n"
+                       << "    } else {\n"
+                       << "        output.gl_ViewportIndex = 0;\n"
+                       << "        output.gl_Layer = input.gl_ViewID_OVR;\n"
+                       << "    }\n"
+                       << "}\n";
+    }
+
+    return preambleStream.str();
+}
+
+std::string DynamicHLSL::generateGeometryShaderHLSL(const gl::Caps &caps,
+                                                    gl::PrimitiveMode primitiveType,
+                                                    const gl::ProgramState &programData,
+                                                    const bool useViewScale,
+                                                    const bool hasANGLEMultiviewEnabled,
+                                                    const bool selectViewInVS,
+                                                    const bool pointSpriteEmulation,
+                                                    const std::string &preambleString) const
+{
+    ASSERT(mRenderer->getMajorShaderModel() >= 4);
+
+    std::stringstream shaderStream;
+
+    const bool pointSprites = (primitiveType == gl::PrimitiveMode::Points) && pointSpriteEmulation;
+    const bool usesPointCoord = preambleString.find("gl_PointCoord") != std::string::npos;
+
+    const char *inputPT  = nullptr;
+    const char *outputPT = nullptr;
+    int inputSize        = 0;
+    int maxVertexOutput  = 0;
+
+    switch (primitiveType)
+    {
+        case gl::PrimitiveMode::Points:
+            inputPT   = "point";
+            inputSize = 1;
+
+            if (pointSprites)
+            {
+                outputPT        = "Triangle";
+                maxVertexOutput = 4;
+            }
+            else
+            {
+                outputPT        = "Point";
+                maxVertexOutput = 1;
+            }
+
+            break;
+
+        case gl::PrimitiveMode::Lines:
+        case gl::PrimitiveMode::LineStrip:
+        case gl::PrimitiveMode::LineLoop:
+            inputPT         = "line";
+            outputPT        = "Line";
+            inputSize       = 2;
+            maxVertexOutput = 2;
+            break;
+
+        case gl::PrimitiveMode::Triangles:
+        case gl::PrimitiveMode::TriangleStrip:
+        case gl::PrimitiveMode::TriangleFan:
+            inputPT         = "triangle";
+            outputPT        = "Triangle";
+            inputSize       = 3;
+            maxVertexOutput = 3;
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    if (pointSprites || hasANGLEMultiviewEnabled)
+    {
+        shaderStream << "cbuffer DriverConstants : register(b0)\n"
+                        "{\n";
+
+        if (pointSprites)
+        {
+            shaderStream << "    float4 dx_ViewCoords : packoffset(c1);\n";
+            if (useViewScale)
+            {
+                shaderStream << "    float2 dx_ViewScale : packoffset(c3.z);\n";
+            }
+        }
+
+        if (hasANGLEMultiviewEnabled)
+        {
+            // We have to add a value which we can use to keep track of which multi-view code path
+            // is to be selected in the GS.
+            shaderStream << "    float multiviewSelectViewportIndex : packoffset(c4.x);\n";
+        }
+
+        shaderStream << "};\n\n";
+    }
+
+    if (pointSprites)
+    {
+        shaderStream << "#define ANGLE_POINT_SPRITE_SHADER\n"
+                        "\n"
+                        "static float2 pointSpriteCorners[] = \n"
+                        "{\n"
+                        "    float2( 0.5f, -0.5f),\n"
+                        "    float2( 0.5f,  0.5f),\n"
+                        "    float2(-0.5f, -0.5f),\n"
+                        "    float2(-0.5f,  0.5f)\n"
+                        "};\n"
+                        "\n"
+                        "static float2 pointSpriteTexcoords[] = \n"
+                        "{\n"
+                        "    float2(1.0f, 1.0f),\n"
+                        "    float2(1.0f, 0.0f),\n"
+                        "    float2(0.0f, 1.0f),\n"
+                        "    float2(0.0f, 0.0f)\n"
+                        "};\n"
+                        "\n"
+                        "static float minPointSize = "
+                     << static_cast<int>(caps.minAliasedPointSize)
+                     << ".0f;\n"
+                        "static float maxPointSize = "
+                     << static_cast<int>(caps.maxAliasedPointSize) << ".0f;\n"
+                     << "\n";
+    }
+
+    shaderStream << preambleString << "\n"
+                 << "[maxvertexcount(" << maxVertexOutput << ")]\n"
+                 << "void main(" << inputPT << " GS_INPUT input[" << inputSize << "], ";
+
+    if (primitiveType == gl::PrimitiveMode::TriangleStrip)
+    {
+        shaderStream << "uint primitiveID : SV_PrimitiveID, ";
+    }
+
+    shaderStream << " inout " << outputPT << "Stream<GS_OUTPUT> outStream)\n"
+                 << "{\n"
+                 << "    GS_OUTPUT output = (GS_OUTPUT)0;\n";
+
+    if (primitiveType == gl::PrimitiveMode::TriangleStrip)
+    {
+        shaderStream << "    uint lastVertexIndex = (primitiveID % 2 == 0 ? 2 : 1);\n";
+    }
+    else
+    {
+        shaderStream << "    uint lastVertexIndex = " << (inputSize - 1) << ";\n";
+    }
+
+    for (int vertexIndex = 0; vertexIndex < inputSize; ++vertexIndex)
+    {
+        shaderStream << "    copyVertex(output, input[" << vertexIndex
+                     << "], input[lastVertexIndex]);\n";
+        if (hasANGLEMultiviewEnabled && !selectViewInVS)
+        {
+            shaderStream << "   selectView(output, input[" << vertexIndex << "]);\n";
+        }
+        if (!pointSprites)
+        {
+            ASSERT(inputSize == maxVertexOutput);
+            shaderStream << "    outStream.Append(output);\n";
+        }
+    }
+
+    if (pointSprites)
+    {
+        shaderStream << "\n"
+                        "    float4 dx_Position = input[0].dx_Position;\n"
+                        "    float gl_PointSize = clamp(input[0].gl_PointSize, minPointSize, "
+                        "maxPointSize);\n"
+                        "    float2 viewportScale = float2(1.0f / dx_ViewCoords.x, 1.0f / "
+                        "dx_ViewCoords.y) * dx_Position.w;\n";
+
+        for (int corner = 0; corner < 4; corner++)
+        {
+            if (useViewScale)
+            {
+                shaderStream << "    \n"
+                                "    output.dx_Position = dx_Position + float4(1.0f, "
+                                "-dx_ViewScale.y, 1.0f, 1.0f)"
+                                "        * float4(pointSpriteCorners["
+                             << corner << "] * viewportScale * gl_PointSize, 0.0f, 0.0f);\n";
+            }
+            else
+            {
+                shaderStream << "\n"
+                                "    output.dx_Position = dx_Position + float4(pointSpriteCorners["
+                             << corner << "] * viewportScale * gl_PointSize, 0.0f, 0.0f);\n";
+            }
+
+            if (usesPointCoord)
+            {
+                shaderStream << "    output.gl_PointCoord = pointSpriteTexcoords[" << corner
+                             << "];\n";
+            }
+
+            shaderStream << "    outStream.Append(output);\n";
+        }
+    }
+
+    shaderStream << "    \n"
+                    "    outStream.RestartStrip();\n"
+                    "}\n";
+
+    return shaderStream.str();
+}
+
+// static
+void DynamicHLSL::GenerateAttributeConversionHLSL(angle::FormatID vertexFormatID,
+                                                  const sh::ShaderVariable &shaderAttrib,
+                                                  std::ostringstream &outStream)
+{
+    // Matrix
+    if (IsMatrixType(shaderAttrib.type))
+    {
+        outStream << "transpose(input." << DecorateVariable(shaderAttrib.name) << ")";
+        return;
+    }
+
+    GLenum shaderComponentType           = VariableComponentType(shaderAttrib.type);
+    int shaderComponentCount             = VariableComponentCount(shaderAttrib.type);
+    const gl::VertexFormat &vertexFormat = gl::GetVertexFormatFromID(vertexFormatID);
+
+    // Perform integer to float conversion (if necessary)
+    if (shaderComponentType == GL_FLOAT && vertexFormat.type != GL_FLOAT)
+    {
+        // TODO: normalization for 32-bit integer formats
+        ASSERT(!vertexFormat.normalized && !vertexFormat.pureInteger);
+        outStream << "float" << shaderComponentCount << "(input."
+                  << DecorateVariable(shaderAttrib.name) << ")";
+        return;
+    }
+
+    // No conversion necessary
+    outStream << "input." << DecorateVariable(shaderAttrib.name);
+}
+
+void DynamicHLSL::getPixelShaderOutputKey(const gl::State &data,
+                                          const gl::ProgramState &programData,
+                                          const ProgramD3DMetadata &metadata,
+                                          std::vector<PixelShaderOutputVariable> *outPixelShaderKey)
+{
+    // Two cases when writing to gl_FragColor and using ESSL 1.0:
+    // - with a 3.0 context, the output color is copied to channel 0
+    // - with a 2.0 context, the output color is broadcast to all channels
+    bool broadcast = metadata.usesBroadcast(data);
+    const unsigned int numRenderTargets =
+        (broadcast || metadata.usesMultipleFragmentOuts()
+             ? static_cast<unsigned int>(data.getCaps().maxDrawBuffers)
+             : 1);
+
+    if (!metadata.usesCustomOutVars())
+    {
+        for (unsigned int renderTargetIndex = 0; renderTargetIndex < numRenderTargets;
+             renderTargetIndex++)
+        {
+            PixelShaderOutputVariable outputKeyVariable;
+            outputKeyVariable.type = GL_FLOAT_VEC4;
+            outputKeyVariable.name = "gl_Color" + Str(renderTargetIndex);
+            outputKeyVariable.source =
+                broadcast ? "gl_Color[0]" : "gl_Color[" + Str(renderTargetIndex) + "]";
+            outputKeyVariable.outputLocation = renderTargetIndex;
+
+            outPixelShaderKey->push_back(outputKeyVariable);
+        }
+
+        if (metadata.usesSecondaryColor())
+        {
+            for (unsigned int secondaryIndex = 0;
+                 secondaryIndex < data.getCaps().maxDualSourceDrawBuffers; secondaryIndex++)
+            {
+                PixelShaderOutputVariable outputKeyVariable;
+                outputKeyVariable.type           = GL_FLOAT_VEC4;
+                outputKeyVariable.name           = "gl_SecondaryColor" + Str(secondaryIndex);
+                outputKeyVariable.source         = "gl_SecondaryColor[" + Str(secondaryIndex) + "]";
+                outputKeyVariable.outputLocation = secondaryIndex;
+                outputKeyVariable.outputIndex    = 1;
+
+                outPixelShaderKey->push_back(outputKeyVariable);
+            }
+        }
+    }
+    else
+    {
+        const ShaderD3D *fragmentShader = metadata.getFragmentShader();
+
+        if (!fragmentShader)
+        {
+            return;
+        }
+
+        const auto &shaderOutputVars = fragmentShader->getState().getActiveOutputVariables();
+
+        for (size_t outputLocationIndex = 0u;
+             outputLocationIndex < programData.getOutputLocations().size(); ++outputLocationIndex)
+        {
+            const VariableLocation &outputLocation =
+                programData.getOutputLocations().at(outputLocationIndex);
+            if (!outputLocation.used())
+            {
+                continue;
+            }
+            const sh::ShaderVariable &outputVariable = shaderOutputVars[outputLocation.index];
+            const std::string &variableName          = "out_" + outputVariable.name;
+
+            // Fragment outputs can't be arrays of arrays. ESSL 3.10 section 4.3.6.
+            const std::string &elementString =
+                (outputVariable.isArray() ? Str(outputLocation.arrayIndex) : "");
+
+            ASSERT(outputVariable.active);
+
+            PixelShaderOutputVariable outputKeyVariable;
+            outputKeyVariable.type = outputVariable.type;
+            outputKeyVariable.name = variableName + elementString;
+            outputKeyVariable.source =
+                variableName +
+                (outputVariable.isArray() ? ArrayString(outputLocation.arrayIndex) : "");
+            outputKeyVariable.outputLocation = outputLocationIndex;
+
+            outPixelShaderKey->push_back(outputKeyVariable);
+        }
+
+        // Now generate any secondary outputs...
+        for (size_t outputLocationIndex = 0u;
+             outputLocationIndex < programData.getSecondaryOutputLocations().size();
+             ++outputLocationIndex)
+        {
+            const VariableLocation &outputLocation =
+                programData.getSecondaryOutputLocations().at(outputLocationIndex);
+            if (!outputLocation.used())
+            {
+                continue;
+            }
+            const sh::ShaderVariable &outputVariable = shaderOutputVars[outputLocation.index];
+            const std::string &variableName          = "out_" + outputVariable.name;
+
+            // Fragment outputs can't be arrays of arrays. ESSL 3.10 section 4.3.6.
+            const std::string &elementString =
+                (outputVariable.isArray() ? Str(outputLocation.arrayIndex) : "");
+
+            ASSERT(outputVariable.active);
+
+            PixelShaderOutputVariable outputKeyVariable;
+            outputKeyVariable.type = outputVariable.type;
+            outputKeyVariable.name = variableName + elementString;
+            outputKeyVariable.source =
+                variableName +
+                (outputVariable.isArray() ? ArrayString(outputLocation.arrayIndex) : "");
+            outputKeyVariable.outputLocation = outputLocationIndex;
+            outputKeyVariable.outputIndex    = 1;
+
+            outPixelShaderKey->push_back(outputKeyVariable);
+        }
+    }
+}
+
+// BuiltinVarying Implementation.
+BuiltinVarying::BuiltinVarying() : enabled(false), index(0), systemValue(false) {}
+
+std::string BuiltinVarying::str() const
+{
+    return (systemValue ? semantic : (semantic + Str(index)));
+}
+
+void BuiltinVarying::enableSystem(const std::string &systemValueSemantic)
+{
+    enabled     = true;
+    semantic    = systemValueSemantic;
+    systemValue = true;
+}
+
+void BuiltinVarying::enable(const std::string &semanticVal, unsigned int indexVal)
+{
+    enabled  = true;
+    semantic = semanticVal;
+    index    = indexVal;
+}
+
+// BuiltinVaryingsD3D Implementation.
+BuiltinVaryingsD3D::BuiltinVaryingsD3D(const ProgramD3DMetadata &metadata,
+                                       const VaryingPacking &packing)
+{
+    updateBuiltins(gl::ShaderType::Vertex, metadata, packing);
+    updateBuiltins(gl::ShaderType::Fragment, metadata, packing);
+    int shaderModel = metadata.getRendererMajorShaderModel();
+    if (shaderModel >= 4)
+    {
+        updateBuiltins(gl::ShaderType::Geometry, metadata, packing);
+    }
+    // In shader model >= 4, some builtins need to be the same in vertex and pixel shaders - input
+    // struct needs to be a prefix of output struct.
+    ASSERT(shaderModel < 4 || mBuiltinInfo[gl::ShaderType::Vertex].glPosition.enabled ==
+                                  mBuiltinInfo[gl::ShaderType::Fragment].glPosition.enabled);
+    ASSERT(shaderModel < 4 || mBuiltinInfo[gl::ShaderType::Vertex].glFragCoord.enabled ==
+                                  mBuiltinInfo[gl::ShaderType::Fragment].glFragCoord.enabled);
+    ASSERT(shaderModel < 4 || mBuiltinInfo[gl::ShaderType::Vertex].glPointCoord.enabled ==
+                                  mBuiltinInfo[gl::ShaderType::Fragment].glPointCoord.enabled);
+    ASSERT(shaderModel < 4 || mBuiltinInfo[gl::ShaderType::Vertex].glPointSize.enabled ==
+                                  mBuiltinInfo[gl::ShaderType::Fragment].glPointSize.enabled);
+    ASSERT(shaderModel < 4 || mBuiltinInfo[gl::ShaderType::Vertex].glViewIDOVR.enabled ==
+                                  mBuiltinInfo[gl::ShaderType::Fragment].glViewIDOVR.enabled);
+}
+
+BuiltinVaryingsD3D::~BuiltinVaryingsD3D() = default;
+
+void BuiltinVaryingsD3D::updateBuiltins(gl::ShaderType shaderType,
+                                        const ProgramD3DMetadata &metadata,
+                                        const VaryingPacking &packing)
+{
+    const std::string &userSemantic = GetVaryingSemantic(metadata.getRendererMajorShaderModel(),
+                                                         metadata.usesSystemValuePointSize());
+
+    // Note that when enabling builtins only for specific shader stages in shader model >= 4, the
+    // code needs to ensure that the input struct of the shader stage is a prefix of the output
+    // struct of the previous stage.
+
+    unsigned int reservedSemanticIndex = packing.getMaxSemanticIndex();
+
+    BuiltinInfo *builtins = &mBuiltinInfo[shaderType];
+
+    if (metadata.getRendererMajorShaderModel() >= 4)
+    {
+        builtins->dxPosition.enableSystem("SV_Position");
+    }
+    else if (shaderType == gl::ShaderType::Fragment)
+    {
+        builtins->dxPosition.enableSystem("VPOS");
+    }
+    else
+    {
+        builtins->dxPosition.enableSystem("POSITION");
+    }
+
+    if (metadata.usesTransformFeedbackGLPosition())
+    {
+        builtins->glPosition.enable(userSemantic, reservedSemanticIndex++);
+    }
+
+    if (metadata.usesFragCoord())
+    {
+        builtins->glFragCoord.enable(userSemantic, reservedSemanticIndex++);
+    }
+
+    if (shaderType == gl::ShaderType::Vertex ? metadata.addsPointCoordToVertexShader()
+                                             : metadata.usesPointCoord())
+    {
+        // SM3 reserves the TEXCOORD semantic for point sprite texcoords (gl_PointCoord)
+        // In D3D11 we manually compute gl_PointCoord in the GS.
+        if (metadata.getRendererMajorShaderModel() >= 4)
+        {
+            builtins->glPointCoord.enable(userSemantic, reservedSemanticIndex++);
+        }
+        else
+        {
+            builtins->glPointCoord.enable("TEXCOORD", 0);
+        }
+    }
+
+    if (metadata.hasANGLEMultiviewEnabled())
+    {
+        // Although it is possible to compute gl_ViewID_OVR from the value of
+        // SV_ViewportArrayIndex or SV_RenderTargetArrayIndex and the multi-view state in the
+        // driver constant buffer, it is easier and cleaner to always pass it as a varying.
+        builtins->glViewIDOVR.enable(userSemantic, reservedSemanticIndex++);
+
+        if (shaderType == gl::ShaderType::Vertex)
+        {
+            if (metadata.canSelectViewInVertexShader())
+            {
+                builtins->glViewportIndex.enableSystem("SV_ViewportArrayIndex");
+                builtins->glLayer.enableSystem("SV_RenderTargetArrayIndex");
+            }
+        }
+
+        if (shaderType == gl::ShaderType::Geometry)
+        {
+            // gl_Layer and gl_ViewportIndex are necessary so that we can write to either based on
+            // the multiview state in the driver constant buffer.
+            builtins->glViewportIndex.enableSystem("SV_ViewportArrayIndex");
+            builtins->glLayer.enableSystem("SV_RenderTargetArrayIndex");
+        }
+    }
+
+    // Special case: do not include PSIZE semantic in HLSL 3 pixel shaders
+    if (metadata.usesSystemValuePointSize() &&
+        (shaderType != gl::ShaderType::Fragment || metadata.getRendererMajorShaderModel() >= 4))
+    {
+        builtins->glPointSize.enableSystem("PSIZE");
+    }
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h
new file mode 100644
index 0000000000..3398bae8d7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h
@@ -0,0 +1,212 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DynamicHLSL.h: Interface for link and run-time HLSL generation
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_DYNAMICHLSL_H_
+#define LIBANGLE_RENDERER_D3D_DYNAMICHLSL_H_
+
+#include <map>
+#include <vector>
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/DynamicImage2DHLSL.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace sh
+{
+struct ShaderVariable;
+}  // namespace sh
+
+namespace gl
+{
+class InfoLog;
+struct VariableLocation;
+class VaryingPacking;
+struct VertexAttribute;
+}  // namespace gl
+
+namespace rx
+{
+class ProgramD3DMetadata;
+class ShaderD3D;
+struct ShaderStorageBlock;
+
+// This class needs to match OutputHLSL::decorate
+class DecorateVariable final : angle::NonCopyable
+{
+  public:
+    explicit DecorateVariable(const std::string &str) : mName(str) {}
+    const std::string &getName() const { return mName; }
+
+  private:
+    const std::string &mName;
+};
+
+inline std::ostream &operator<<(std::ostream &o, const DecorateVariable &dv)
+{
+    if (dv.getName().compare(0, 3, "gl_") != 0)
+    {
+        o << "_";
+    }
+    o << dv.getName();
+    return o;
+}
+
+struct PixelShaderOutputVariable
+{
+    PixelShaderOutputVariable() {}
+    PixelShaderOutputVariable(GLenum typeIn,
+                              const std::string &nameIn,
+                              const std::string &sourceIn,
+                              size_t outputLocationIn,
+                              size_t outputIndexIn)
+        : type(typeIn),
+          name(nameIn),
+          source(sourceIn),
+          outputLocation(outputLocationIn),
+          outputIndex(outputIndexIn)
+    {}
+
+    GLenum type = GL_NONE;
+    std::string name;
+    std::string source;
+    size_t outputLocation = 0;
+    size_t outputIndex    = 0;
+};
+
+struct BuiltinVarying final : private angle::NonCopyable
+{
+    BuiltinVarying();
+
+    std::string str() const;
+    void enableSystem(const std::string &systemValueSemantic);
+    void enable(const std::string &semanticVal, unsigned int indexVal);
+
+    bool enabled;
+    std::string semantic;
+    unsigned int index;
+    bool systemValue;
+};
+
+struct BuiltinInfo
+{
+    BuiltinInfo();
+    ~BuiltinInfo();
+
+    BuiltinVarying dxPosition;
+    BuiltinVarying glPosition;
+    BuiltinVarying glFragCoord;
+    BuiltinVarying glPointCoord;
+    BuiltinVarying glPointSize;
+    BuiltinVarying glViewIDOVR;
+    BuiltinVarying glViewportIndex;
+    BuiltinVarying glLayer;
+};
+
+inline std::string GetVaryingSemantic(int majorShaderModel, bool programUsesPointSize)
+{
+    // SM3 reserves the TEXCOORD semantic for point sprite texcoords (gl_PointCoord)
+    // In D3D11 we manually compute gl_PointCoord in the GS.
+    return ((programUsesPointSize && majorShaderModel < 4) ? "COLOR" : "TEXCOORD");
+}
+
+class BuiltinVaryingsD3D
+{
+  public:
+    BuiltinVaryingsD3D(const ProgramD3DMetadata &metadata, const gl::VaryingPacking &packing);
+    ~BuiltinVaryingsD3D();
+
+    bool usesPointSize() const { return mBuiltinInfo[gl::ShaderType::Vertex].glPointSize.enabled; }
+
+    const BuiltinInfo &operator[](gl::ShaderType shaderType) const
+    {
+        return mBuiltinInfo[shaderType];
+    }
+    BuiltinInfo &operator[](gl::ShaderType shaderType) { return mBuiltinInfo[shaderType]; }
+
+  private:
+    void updateBuiltins(gl::ShaderType shaderType,
+                        const ProgramD3DMetadata &metadata,
+                        const gl::VaryingPacking &packing);
+
+    gl::ShaderMap<BuiltinInfo> mBuiltinInfo;
+};
+
+class DynamicHLSL : angle::NonCopyable
+{
+  public:
+    explicit DynamicHLSL(RendererD3D *const renderer);
+
+    std::string generateVertexShaderForInputLayout(
+        const std::string &sourceShader,
+        const gl::InputLayout &inputLayout,
+        const std::vector<sh::ShaderVariable> &shaderAttributes,
+        const std::vector<rx::ShaderStorageBlock> &shaderStorageBlocks,
+        size_t baseUAVRegister) const;
+    std::string generatePixelShaderForOutputSignature(
+        const std::string &sourceShader,
+        const std::vector<PixelShaderOutputVariable> &outputVariables,
+        bool usesFragDepth,
+        const std::vector<GLenum> &outputLayout,
+        const std::vector<rx::ShaderStorageBlock> &shaderStorageBlocks,
+        size_t baseUAVRegister) const;
+    std::string generateShaderForImage2DBindSignature(
+        ProgramD3D &programD3D,
+        const gl::ProgramState &programData,
+        gl::ShaderType shaderType,
+        const std::string &shaderHLSL,
+        std::vector<sh::ShaderVariable> &image2DUniforms,
+        const gl::ImageUnitTextureTypeMap &image2DBindLayout,
+        unsigned int baseUAVRegister) const;
+    void generateShaderLinkHLSL(const gl::Context *context,
+                                const gl::Caps &caps,
+                                const gl::ProgramState &programData,
+                                const ProgramD3DMetadata &programMetadata,
+                                const gl::VaryingPacking &varyingPacking,
+                                const BuiltinVaryingsD3D &builtinsD3D,
+                                gl::ShaderMap<std::string> *shaderHLSL) const;
+
+    std::string generateGeometryShaderPreamble(const gl::VaryingPacking &varyingPacking,
+                                               const BuiltinVaryingsD3D &builtinsD3D,
+                                               const bool hasANGLEMultiviewEnabled,
+                                               const bool selectViewInVS) const;
+
+    std::string generateGeometryShaderHLSL(const gl::Caps &caps,
+                                           gl::PrimitiveMode primitiveType,
+                                           const gl::ProgramState &programData,
+                                           const bool useViewScale,
+                                           const bool hasANGLEMultiviewEnabled,
+                                           const bool selectViewInVS,
+                                           const bool pointSpriteEmulation,
+                                           const std::string &preambleString) const;
+
+    void getPixelShaderOutputKey(const gl::State &data,
+                                 const gl::ProgramState &programData,
+                                 const ProgramD3DMetadata &metadata,
+                                 std::vector<PixelShaderOutputVariable> *outPixelShaderKey);
+
+  private:
+    RendererD3D *const mRenderer;
+
+    void generateVaryingLinkHLSL(const gl::VaryingPacking &varyingPacking,
+                                 const BuiltinInfo &builtins,
+                                 bool programUsesPointSize,
+                                 std::ostringstream &hlslStream) const;
+
+    static void GenerateAttributeConversionHLSL(angle::FormatID vertexFormatID,
+                                                const sh::ShaderVariable &shaderAttrib,
+                                                std::ostringstream &outStream);
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_DYNAMICHLSL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicImage2DHLSL.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicImage2DHLSL.cpp
new file mode 100644
index 0000000000..cf775d0b46
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicImage2DHLSL.cpp
@@ -0,0 +1,919 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DynamicImage2DHLSL.cpp: Implementation for link and run-time HLSL generation
+//
+
+#include "libANGLE/renderer/d3d/DynamicImage2DHLSL.h"
+
+#include "common/string_utils.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+
+using namespace gl;
+
+namespace rx
+{
+
+namespace
+{
+
+enum Image2DHLSLGroup
+{
+    IMAGE2D_R_FLOAT4,
+    IMAGE2D_MIN = IMAGE2D_R_FLOAT4,
+    IMAGE2D_R_UNORM,
+    IMAGE2D_R_SNORM,
+    IMAGE2D_R_UINT4,
+    IMAGE2D_R_INT4,
+    IMAGE2D_W_FLOAT4,
+    IMAGE2D_W_UNORM,
+    IMAGE2D_W_SNORM,
+    IMAGE2D_W_UINT4,
+    IMAGE2D_W_INT4,
+    IMAGE2D_UNKNOWN,
+    IMAGE2D_MAX = IMAGE2D_UNKNOWN
+};
+
+enum Image2DMethod
+{
+    IMAGE2DSIZE,
+    IMAGE2DLOAD,
+    IMAGE2DSTORE
+};
+
+Image2DHLSLGroup image2DHLSLGroup(const sh::ShaderVariable &uniform)
+{
+    GLenum format = uniform.imageUnitFormat;
+    bool readonly = uniform.readonly;
+    switch (uniform.type)
+    {
+        case GL_IMAGE_2D:
+        {
+            switch (format)
+            {
+                case GL_RGBA32F:
+                case GL_RGBA16F:
+                case GL_R32F:
+                    return readonly ? IMAGE2D_R_FLOAT4 : IMAGE2D_W_FLOAT4;
+                case GL_RGBA8:
+                    return readonly ? IMAGE2D_R_UNORM : IMAGE2D_W_UNORM;
+                case GL_RGBA8_SNORM:
+                    return readonly ? IMAGE2D_R_SNORM : IMAGE2D_W_SNORM;
+                default:
+                    UNREACHABLE();
+                    return IMAGE2D_UNKNOWN;
+            }
+        }
+        case GL_INT_IMAGE_2D:
+        {
+            switch (format)
+            {
+                case GL_RGBA32I:
+                case GL_RGBA16I:
+                case GL_RGBA8I:
+                case GL_R32I:
+                    return readonly ? IMAGE2D_R_INT4 : IMAGE2D_W_INT4;
+                default:
+                    UNREACHABLE();
+                    return IMAGE2D_UNKNOWN;
+            }
+        }
+        case GL_UNSIGNED_INT_IMAGE_2D:
+        {
+            switch (format)
+            {
+                case GL_RGBA32UI:
+                case GL_RGBA16UI:
+                case GL_RGBA8UI:
+                case GL_R32UI:
+                    return readonly ? IMAGE2D_R_UINT4 : IMAGE2D_W_UINT4;
+                default:
+                    UNREACHABLE();
+                    return IMAGE2D_UNKNOWN;
+            }
+        }
+        default:
+            UNREACHABLE();
+            return IMAGE2D_UNKNOWN;
+    }
+}
+
+std::string Image2DHLSLGroupSuffix(Image2DHLSLGroup group)
+{
+    switch (group)
+    {
+        case IMAGE2D_R_FLOAT4:
+            return "2D";
+        case IMAGE2D_R_UNORM:
+            return "2D_unorm_float4_";
+        case IMAGE2D_R_SNORM:
+            return "2D_snorm_float4_";
+        case IMAGE2D_R_UINT4:
+            return "2D_uint4_";
+        case IMAGE2D_R_INT4:
+            return "2D_int4_";
+        case IMAGE2D_W_FLOAT4:
+            return "RW2D_float4_";
+        case IMAGE2D_W_UNORM:
+            return "RW2D_unorm_float4_";
+        case IMAGE2D_W_SNORM:
+            return "RW2D_snorm_float4_";
+        case IMAGE2D_W_UINT4:
+            return "RW2D_uint4_";
+        case IMAGE2D_W_INT4:
+            return "RW2D_int4_";
+        default:
+            UNREACHABLE();
+    }
+
+    return "<unknown group type>";
+}
+
+std::string Image2DHLSLTextureString(Image2DHLSLGroup group,
+                                     gl::TextureType type,
+                                     bool rasterOrdered)
+{
+    std::string textureString;
+    switch (group)
+    {
+        case IMAGE2D_R_FLOAT4:
+        case IMAGE2D_R_UNORM:
+        case IMAGE2D_R_SNORM:
+        case IMAGE2D_R_UINT4:
+        case IMAGE2D_R_INT4:
+            break;
+        case IMAGE2D_W_FLOAT4:
+        case IMAGE2D_W_UNORM:
+        case IMAGE2D_W_SNORM:
+        case IMAGE2D_W_UINT4:
+        case IMAGE2D_W_INT4:
+            textureString += rasterOrdered ? "RasterizerOrdered" : "RW";
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    textureString += "Texture";
+
+    switch (type)
+    {
+        case gl::TextureType::_2D:
+            textureString += "2D";
+            break;
+        case gl::TextureType::_3D:
+            textureString += "3D";
+            break;
+        case gl::TextureType::_2DArray:
+            textureString += "2DArray";
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    switch (group)
+    {
+        case IMAGE2D_R_FLOAT4:
+        case IMAGE2D_W_FLOAT4:
+            textureString += "<float4>";
+            break;
+        case IMAGE2D_R_UNORM:
+        case IMAGE2D_W_UNORM:
+            textureString += "<unorm float4>";
+            break;
+        case IMAGE2D_R_SNORM:
+        case IMAGE2D_W_SNORM:
+            textureString += "<snorm float4>";
+            break;
+        case IMAGE2D_R_UINT4:
+        case IMAGE2D_W_UINT4:
+            textureString += "<uint4>";
+            break;
+        case IMAGE2D_R_INT4:
+        case IMAGE2D_W_INT4:
+            textureString += "<int4>";
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return textureString;
+}
+
+std::string Image2DHLSLGroupOffsetPrefix(Image2DHLSLGroup group)
+{
+    switch (group)
+    {
+        case IMAGE2D_R_FLOAT4:
+        case IMAGE2D_R_UNORM:
+        case IMAGE2D_R_SNORM:
+        case IMAGE2D_R_UINT4:
+        case IMAGE2D_R_INT4:
+            return "readonlyImageIndexOffset";
+        case IMAGE2D_W_FLOAT4:
+        case IMAGE2D_W_UNORM:
+        case IMAGE2D_W_SNORM:
+        case IMAGE2D_W_UINT4:
+        case IMAGE2D_W_INT4:
+            return "imageIndexOffset";
+        default:
+            UNREACHABLE();
+    }
+
+    return "<unknown group type>";
+}
+
+std::string Image2DHLSLGroupDeclarationPrefix(Image2DHLSLGroup group)
+{
+    switch (group)
+    {
+        case IMAGE2D_R_FLOAT4:
+        case IMAGE2D_R_UNORM:
+        case IMAGE2D_R_SNORM:
+        case IMAGE2D_R_UINT4:
+        case IMAGE2D_R_INT4:
+            return "readonlyImages";
+        case IMAGE2D_W_FLOAT4:
+        case IMAGE2D_W_UNORM:
+        case IMAGE2D_W_SNORM:
+        case IMAGE2D_W_UINT4:
+        case IMAGE2D_W_INT4:
+            return "images";
+        default:
+            UNREACHABLE();
+    }
+
+    return "<unknown group type>";
+}
+
+std::string Image2DHLSLGroupRegisterSuffix(Image2DHLSLGroup group)
+{
+    switch (group)
+    {
+        case IMAGE2D_R_FLOAT4:
+        case IMAGE2D_R_UNORM:
+        case IMAGE2D_R_SNORM:
+        case IMAGE2D_R_UINT4:
+        case IMAGE2D_R_INT4:
+            return "t";
+        case IMAGE2D_W_FLOAT4:
+        case IMAGE2D_W_UNORM:
+        case IMAGE2D_W_SNORM:
+        case IMAGE2D_W_UINT4:
+        case IMAGE2D_W_INT4:
+            return "u";
+        default:
+            UNREACHABLE();
+    }
+
+    return "<unknown group type>";
+}
+
+std::string Image2DHLSLGroupFunctionName(Image2DHLSLGroup group, Image2DMethod method)
+{
+    std::string name = "gl_image";
+    name += Image2DHLSLGroupSuffix(group);
+    switch (method)
+    {
+        case IMAGE2DSIZE:
+            name += "Size";
+            break;
+        case IMAGE2DLOAD:
+            name += "Load";
+            break;
+        case IMAGE2DSTORE:
+            name += "Store";
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return name;
+}
+
+std::string getImage2DGroupReturnType(Image2DHLSLGroup group, Image2DMethod method)
+{
+    switch (method)
+    {
+        case IMAGE2DSIZE:
+            return "int2";
+        case IMAGE2DLOAD:
+            switch (group)
+            {
+                case IMAGE2D_R_FLOAT4:
+                case IMAGE2D_R_UNORM:
+                case IMAGE2D_R_SNORM:
+                case IMAGE2D_W_FLOAT4:
+                case IMAGE2D_W_UNORM:
+                case IMAGE2D_W_SNORM:
+                    return "float4";
+                case IMAGE2D_R_UINT4:
+                case IMAGE2D_W_UINT4:
+                    return "uint4";
+                case IMAGE2D_R_INT4:
+                case IMAGE2D_W_INT4:
+                    return "int4";
+                default:
+                    UNREACHABLE();
+                    return "unknown group type";
+            }
+        case IMAGE2DSTORE:
+            return "void";
+        default:
+            UNREACHABLE();
+            return "unknown image method";
+    }
+}
+
+std::string getImageMetadata(Image2DHLSLGroup group)
+{
+    switch (group)
+    {
+        case IMAGE2D_R_FLOAT4:
+        case IMAGE2D_R_UNORM:
+        case IMAGE2D_R_SNORM:
+        case IMAGE2D_R_UINT4:
+        case IMAGE2D_R_INT4:
+            return "readonlyImageMetadata[imageIndex - readonlyImageIndexStart]";
+        case IMAGE2D_W_FLOAT4:
+        case IMAGE2D_W_UNORM:
+        case IMAGE2D_W_SNORM:
+        case IMAGE2D_W_UINT4:
+        case IMAGE2D_W_INT4:
+            return "imageMetadata[imageIndex - imageIndexStart]";
+        default:
+            UNREACHABLE();
+            return "unknown image method";
+    }
+}
+
+void OutputImage2DFunctionArgumentList(std::ostringstream &out,
+                                       Image2DHLSLGroup group,
+                                       Image2DMethod method)
+{
+    out << "uint imageIndex";
+
+    if (method == IMAGE2DLOAD || method == IMAGE2DSTORE)
+    {
+        out << ", int2 p";
+        if (method == IMAGE2DSTORE)
+        {
+            switch (group)
+            {
+                case IMAGE2D_R_FLOAT4:
+                case IMAGE2D_R_UNORM:
+                case IMAGE2D_R_SNORM:
+                case IMAGE2D_W_FLOAT4:
+                case IMAGE2D_W_UNORM:
+                case IMAGE2D_W_SNORM:
+                    out << ", float4 data";
+                    break;
+                case IMAGE2D_R_UINT4:
+                case IMAGE2D_W_UINT4:
+                    out << ", uint4 data";
+                    break;
+                case IMAGE2D_R_INT4:
+                case IMAGE2D_W_INT4:
+                    out << ", int4 data";
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+        }
+    }
+}
+
+void OutputImage2DSizeFunction(std::ostringstream &out,
+                               Image2DHLSLGroup textureGroup,
+                               unsigned int totalCount,
+                               unsigned int texture2DCount,
+                               unsigned int texture3DCount,
+                               unsigned int texture2DArrayCount,
+                               const std::string &offsetStr,
+                               const std::string &declarationStr)
+{
+    out << getImage2DGroupReturnType(textureGroup, IMAGE2DSIZE) << " "
+        << Image2DHLSLGroupFunctionName(textureGroup, IMAGE2DSIZE) << "(";
+    OutputImage2DFunctionArgumentList(out, textureGroup, IMAGE2DSIZE);
+    out << ")\n"
+           "{\n";
+    out << "    uint width, height;\n";
+
+    if (texture2DCount > 0)
+    {
+        if (texture2DCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "2D;\n";
+            out << "    " << declarationStr << "2D[index].GetDimensions(width, height);\n";
+        }
+        else
+        {
+            out << "    if (imageIndex >= " << offsetStr << "2D && imageIndex < " << offsetStr
+                << "2D + " << texture2DCount << ")\n";
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "2D;\n";
+            out << "        " << declarationStr << "2D[index].GetDimensions(width, height);\n";
+            out << "    }\n";
+        }
+    }
+
+    if (texture3DCount > 0)
+    {
+        if (texture3DCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "3D;\n";
+            out << "    uint depth;\n";
+            out << "    " << declarationStr << "3D[index].GetDimensions(width, height, depth);\n";
+        }
+        else
+        {
+            if (texture2DArrayCount == 0)
+            {
+                out << "    else\n";
+            }
+            else
+            {
+                if (texture2DCount == 0)
+                {
+                    out << "    if ";
+                }
+                else
+                {
+                    out << "    else if";
+                }
+                out << "(imageIndex >= " << offsetStr << "3D && imageIndex < " << offsetStr
+                    << "3D + " << texture3DCount << ")\n";
+            }
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "3D;\n";
+            out << "        uint depth;\n";
+            out << "        " << declarationStr
+                << "3D[index].GetDimensions(width, height, depth);\n";
+            out << "    }\n";
+        }
+    }
+
+    if (texture2DArrayCount > 0)
+    {
+        if (texture2DArrayCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "2DArray;\n";
+            out << "    uint depth;\n";
+            out << "    " << declarationStr
+                << "2DArray[index].GetDimensions(width, height, depth);\n";
+        }
+        else
+        {
+            out << "    else\n";
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "2DArray;\n";
+            out << "        uint depth;\n";
+            out << "        " << declarationStr
+                << "2DArray[index].GetDimensions(width, height, depth);\n";
+            out << "    }\n";
+        }
+    }
+    out << "    return int2(width, height);\n";
+
+    out << "}\n";
+}
+
+void OutputImage2DLoadFunction(std::ostringstream &out,
+                               Image2DHLSLGroup textureGroup,
+                               unsigned int totalCount,
+                               unsigned int texture2DCount,
+                               unsigned int texture3DCount,
+                               unsigned int texture2DArrayCount,
+                               const std::string &offsetStr,
+                               const std::string &declarationStr)
+{
+    out << getImage2DGroupReturnType(textureGroup, IMAGE2DLOAD) << " "
+        << Image2DHLSLGroupFunctionName(textureGroup, IMAGE2DLOAD) << "(";
+    OutputImage2DFunctionArgumentList(out, textureGroup, IMAGE2DLOAD);
+    out << ")\n"
+           "{\n";
+
+    out << "    " << getImage2DGroupReturnType(textureGroup, IMAGE2DLOAD) << " result;\n";
+
+    if (texture2DCount > 0)
+    {
+        if (texture2DCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "2D;\n";
+            out << "    result = " << declarationStr << "2D[index][uint2(p.x, p.y)];\n";
+        }
+        else
+        {
+            out << "    if (imageIndex >= " << offsetStr << "2D && imageIndex < " << offsetStr
+                << "2D + " << texture2DCount << ")\n";
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "2D;\n";
+            out << "        result = " << declarationStr << "2D[index][uint2(p.x, p.y)];\n";
+            out << "    }\n";
+        }
+    }
+
+    if (texture3DCount > 0)
+    {
+        if (texture3DCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "3D;\n";
+            out << "    result = " << declarationStr << "3D[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)];\n";
+        }
+        else
+        {
+            if (texture2DArrayCount == 0)
+            {
+                out << "    else\n";
+            }
+            else
+            {
+                if (texture2DCount == 0)
+                {
+                    out << "    if ";
+                }
+                else
+                {
+                    out << "    else if";
+                }
+                out << "(imageIndex >= " << offsetStr << "3D && imageIndex < " << offsetStr
+                    << "3D + " << texture3DCount << ")\n";
+            }
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "3D;\n";
+            out << "        result = " << declarationStr << "3D[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)];\n";
+            out << "    }\n";
+        }
+    }
+
+    if (texture2DArrayCount > 0)
+    {
+        if (texture2DArrayCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "2DArray;\n";
+            out << "    result = " << declarationStr << "2DArray[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)];\n";
+        }
+        else
+        {
+            out << "    else\n";
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "2DArray;\n";
+            out << "        result = " << declarationStr << "2DArray[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)];\n";
+            out << "    }\n";
+        }
+    }
+
+    out << "    return result;\n";
+    out << "}\n";
+}
+
+void OutputImage2DStoreFunction(std::ostringstream &out,
+                                Image2DHLSLGroup textureGroup,
+                                unsigned int totalCount,
+                                unsigned int texture2DCount,
+                                unsigned int texture3DCount,
+                                unsigned int texture2DArrayCount,
+                                const std::string &offsetStr,
+                                const std::string &declarationStr)
+{
+    out << getImage2DGroupReturnType(textureGroup, IMAGE2DSTORE) << " "
+        << Image2DHLSLGroupFunctionName(textureGroup, IMAGE2DSTORE) << "(";
+    OutputImage2DFunctionArgumentList(out, textureGroup, IMAGE2DSTORE);
+    out << ")\n"
+           "{\n";
+
+    if (texture2DCount > 0)
+    {
+        if (texture2DCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "2D;\n";
+            out << "    " << declarationStr << "2D[index][uint2(p.x, p.y)] = data;\n";
+        }
+        else
+        {
+            out << "    if (imageIndex >= " << offsetStr << "2D && imageIndex < " << offsetStr
+                << "2D + " << texture2DCount << ")\n";
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "2D;\n";
+            out << "        " << declarationStr << "2D[index][uint2(p.x, p.y)] = data;\n";
+            out << "    }\n";
+        }
+    }
+
+    if (texture3DCount > 0)
+    {
+        if (texture3DCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "3D;\n";
+            out << "    " << declarationStr << "3D[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)] = data;\n";
+        }
+        else
+        {
+            if (texture2DArrayCount == 0)
+            {
+                out << "    else\n";
+            }
+            else
+            {
+                if (texture2DCount == 0)
+                {
+                    out << "    if ";
+                }
+                else
+                {
+                    out << "    else if";
+                }
+                out << "(imageIndex >= " << offsetStr << "3D && imageIndex < " << offsetStr
+                    << "3D + " << texture3DCount << ")\n";
+            }
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "3D;\n";
+            out << "        " << declarationStr << "3D[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)] = data;\n";
+            out << "    }\n";
+        }
+    }
+
+    if (texture2DArrayCount > 0)
+    {
+        if (texture2DArrayCount == totalCount)
+        {
+            out << "    const uint index = imageIndex -  " << offsetStr << "2DArray;\n";
+            out << "    " << declarationStr << "2DArray[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)] = data;\n";
+        }
+        else
+        {
+            out << "    else\n";
+            out << "    {\n";
+            out << "        const uint index = imageIndex -  " << offsetStr << "2DArray;\n";
+            out << "        " << declarationStr << "2DArray[index][uint3(p.x, p.y, "
+                << getImageMetadata(textureGroup) << ".layer)] = data;\n";
+            out << "    }\n";
+        }
+    }
+
+    out << "}\n";
+}
+
+unsigned int *GetImage2DRegisterIndex(Image2DHLSLGroup textureGroup,
+                                      unsigned int *groupTextureRegisterIndex,
+                                      unsigned int *groupRWTextureRegisterIndex)
+{
+    switch (textureGroup)
+    {
+        case IMAGE2D_R_FLOAT4:
+        case IMAGE2D_R_UNORM:
+        case IMAGE2D_R_SNORM:
+        case IMAGE2D_R_UINT4:
+        case IMAGE2D_R_INT4:
+            return groupTextureRegisterIndex;
+        case IMAGE2D_W_FLOAT4:
+        case IMAGE2D_W_UNORM:
+        case IMAGE2D_W_SNORM:
+        case IMAGE2D_W_UINT4:
+        case IMAGE2D_W_INT4:
+            return groupRWTextureRegisterIndex;
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+void OutputHLSLImage2DUniformGroup(ProgramD3D &programD3D,
+                                   const gl::ProgramState &programData,
+                                   gl::ShaderType shaderType,
+                                   std::ostringstream &out,
+                                   const Image2DHLSLGroup textureGroup,
+                                   const std::vector<sh::ShaderVariable> &group,
+                                   const gl::ImageUnitTextureTypeMap &image2DBindLayout,
+                                   unsigned int baseUAVRegister,
+                                   unsigned int *groupTextureRegisterIndex,
+                                   unsigned int *groupRWTextureRegisterIndex,
+                                   unsigned int *image2DTexture3D,
+                                   unsigned int *image2DTexture2DArray,
+                                   unsigned int *image2DTexture2D)
+{
+    if (group.empty())
+    {
+        return;
+    }
+
+    unsigned int texture2DCount = 0, texture3DCount = 0, texture2DArrayCount = 0;
+    bool texture2DRasterOrdered = false, texture3DRasterOrdered = false,
+         texture2DArrayRasterOrdered = false;
+    for (const sh::ShaderVariable &uniform : group)
+    {
+        if (!programD3D.hasNamedUniform(uniform.name))
+        {
+            continue;
+        }
+        for (unsigned int index = 0; index < uniform.getArraySizeProduct(); index++)
+        {
+            switch (image2DBindLayout.at(uniform.binding + index))
+            {
+                case gl::TextureType::_2D:
+                    texture2DCount++;
+                    texture2DRasterOrdered |= uniform.rasterOrdered;
+                    break;
+                case gl::TextureType::_3D:
+                    texture3DCount++;
+                    texture3DRasterOrdered |= uniform.rasterOrdered;
+                    break;
+                case gl::TextureType::_2DArray:
+                case gl::TextureType::CubeMap:
+                    texture2DArrayCount++;
+                    texture2DArrayRasterOrdered |= uniform.rasterOrdered;
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+        }
+    }
+
+    unsigned int totalCount            = texture2DCount + texture3DCount + texture2DArrayCount;
+    unsigned int *image2DRegisterIndex = GetImage2DRegisterIndex(
+        textureGroup, groupTextureRegisterIndex, groupRWTextureRegisterIndex);
+    unsigned int texture2DRegisterIndex      = *image2DRegisterIndex;
+    unsigned int texture3DRegisterIndex      = texture2DRegisterIndex + texture2DCount;
+    unsigned int texture2DArrayRegisterIndex = texture3DRegisterIndex + texture3DCount;
+    *image2DRegisterIndex += totalCount;
+
+    std::string offsetStr =
+        Image2DHLSLGroupOffsetPrefix(textureGroup) + Image2DHLSLGroupSuffix(textureGroup);
+    std::string declarationStr =
+        Image2DHLSLGroupDeclarationPrefix(textureGroup) + Image2DHLSLGroupSuffix(textureGroup);
+    std::string registerStr = Image2DHLSLGroupRegisterSuffix(textureGroup);
+    if (texture2DCount > 0)
+    {
+        out << "static const uint " << offsetStr << "2D = " << texture2DRegisterIndex << ";\n";
+        out << "uniform "
+            << Image2DHLSLTextureString(textureGroup, gl::TextureType::_2D, texture2DRasterOrdered)
+            << " " << declarationStr << "2D[" << texture2DCount << "]"
+            << " : register(" << registerStr << baseUAVRegister + texture2DRegisterIndex << ");\n";
+    }
+    if (texture3DCount > 0)
+    {
+        out << "static const uint " << offsetStr << "3D = " << texture3DRegisterIndex << ";\n";
+        out << "uniform "
+            << Image2DHLSLTextureString(textureGroup, gl::TextureType::_3D, texture3DRasterOrdered)
+            << " " << declarationStr << "3D[" << texture3DCount << "]"
+            << " : register(" << registerStr << baseUAVRegister + texture3DRegisterIndex << ");\n";
+    }
+    if (texture2DArrayCount > 0)
+    {
+        out << "static const uint " << offsetStr << "2DArray = " << texture2DArrayRegisterIndex
+            << ";\n";
+        out << "uniform "
+            << Image2DHLSLTextureString(textureGroup, gl::TextureType::_2DArray,
+                                        texture2DArrayRasterOrdered)
+            << " " << declarationStr << "2DArray[" << texture2DArrayCount << "]"
+            << " : register(" << registerStr << baseUAVRegister + texture2DArrayRegisterIndex
+            << ");\n";
+    }
+    for (const sh::ShaderVariable &uniform : group)
+    {
+        if (!programD3D.hasNamedUniform(uniform.name))
+        {
+            continue;
+        }
+
+        out << "static const uint " << DecorateVariable(uniform.name)
+            << ArrayIndexString(uniform.arraySizes) << " = {";
+        for (unsigned int index = 0; index < uniform.getArraySizeProduct(); index++)
+        {
+            if (index > 0)
+            {
+                out << ", ";
+            }
+            switch (image2DBindLayout.at(uniform.binding + index))
+            {
+                case gl::TextureType::_2D:
+                {
+                    out << texture2DRegisterIndex;
+                    programD3D.assignImage2DRegisters(shaderType, texture2DRegisterIndex,
+                                                      uniform.binding + index, uniform.readonly);
+                    texture2DRegisterIndex++;
+                    break;
+                }
+                case gl::TextureType::_3D:
+                {
+                    out << texture3DRegisterIndex;
+                    programD3D.assignImage2DRegisters(shaderType, texture3DRegisterIndex,
+                                                      uniform.binding + index, uniform.readonly);
+                    texture3DRegisterIndex++;
+                    break;
+                }
+                case gl::TextureType::_2DArray:
+                case gl::TextureType::CubeMap:
+                {
+                    out << texture2DArrayRegisterIndex;
+                    programD3D.assignImage2DRegisters(shaderType, texture2DArrayRegisterIndex,
+                                                      uniform.binding + index, uniform.readonly);
+                    texture2DArrayRegisterIndex++;
+                    break;
+                }
+                default:
+                    UNREACHABLE();
+            }
+        }
+        out << "};\n";
+    }
+
+    gl::Shader *shaderGL       = programData.getAttachedShader(shaderType);
+    const ShaderD3D *shaderD3D = GetImplAs<ShaderD3D>(shaderGL);
+
+    if (shaderD3D->useImage2DFunction(Image2DHLSLGroupFunctionName(textureGroup, IMAGE2DSIZE)))
+    {
+        OutputImage2DSizeFunction(out, textureGroup, totalCount, texture2DCount, texture3DCount,
+                                  texture2DArrayCount, offsetStr, declarationStr);
+    }
+    if (shaderD3D->useImage2DFunction(Image2DHLSLGroupFunctionName(textureGroup, IMAGE2DLOAD)))
+    {
+        OutputImage2DLoadFunction(out, textureGroup, totalCount, texture2DCount, texture3DCount,
+                                  texture2DArrayCount, offsetStr, declarationStr);
+    }
+    if (shaderD3D->useImage2DFunction(Image2DHLSLGroupFunctionName(textureGroup, IMAGE2DSTORE)))
+    {
+        OutputImage2DStoreFunction(out, textureGroup, totalCount, texture2DCount, texture3DCount,
+                                   texture2DArrayCount, offsetStr, declarationStr);
+    }
+}
+
+// kImage2DFunctionString must be the same as outputHLSL.
+constexpr const char kImage2DFunctionString[] = "// @@ IMAGE2D DECLARATION FUNCTION STRING @@";
+}  // anonymous namespace
+
+std::string GenerateShaderForImage2DBindSignature(
+    ProgramD3D &programD3D,
+    const gl::ProgramState &programData,
+    gl::ShaderType shaderType,
+    const std::string &shaderHLSL,
+    std::vector<sh::ShaderVariable> &image2DUniforms,
+    const gl::ImageUnitTextureTypeMap &image2DBindLayout,
+    unsigned int baseUAVRegister)
+{
+    std::vector<std::vector<sh::ShaderVariable>> groupedImage2DUniforms(IMAGE2D_MAX + 1);
+    unsigned int image2DTexture3DCount = 0, image2DTexture2DArrayCount = 0;
+    for (sh::ShaderVariable &image2D : image2DUniforms)
+    {
+        for (unsigned int index = 0; index < image2D.getArraySizeProduct(); index++)
+        {
+            // Any image variable declared without a binding qualifier is initially bound to unit
+            // zero.
+            if (image2D.binding == -1)
+            {
+                image2D.binding = 0;
+            }
+            switch (image2DBindLayout.at(image2D.binding + index))
+            {
+                case gl::TextureType::_2D:
+                    break;
+                case gl::TextureType::_3D:
+                    image2DTexture3DCount++;
+                    break;
+                case gl::TextureType::_2DArray:
+                case gl::TextureType::CubeMap:
+                    image2DTexture2DArrayCount++;
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+        }
+        Image2DHLSLGroup group = image2DHLSLGroup(image2D);
+        groupedImage2DUniforms[group].push_back(image2D);
+    }
+
+    gl::Shader *shaderGL                     = programData.getAttachedShader(shaderType);
+    const ShaderD3D *shaderD3D               = GetImplAs<ShaderD3D>(shaderGL);
+    unsigned int groupTextureRegisterIndex   = shaderD3D->getReadonlyImage2DRegisterIndex();
+    unsigned int groupRWTextureRegisterIndex = shaderD3D->getImage2DRegisterIndex();
+    unsigned int image2DTexture3DIndex       = 0;
+    unsigned int image2DTexture2DArrayIndex  = image2DTexture3DCount;
+    unsigned int image2DTexture2DIndex       = image2DTexture3DCount + image2DTexture2DArrayCount;
+    std::ostringstream out;
+
+    for (int groupId = IMAGE2D_MIN; groupId < IMAGE2D_MAX; ++groupId)
+    {
+        OutputHLSLImage2DUniformGroup(
+            programD3D, programData, shaderType, out, Image2DHLSLGroup(groupId),
+            groupedImage2DUniforms[groupId], image2DBindLayout, baseUAVRegister,
+            &groupTextureRegisterIndex, &groupRWTextureRegisterIndex, &image2DTexture3DIndex,
+            &image2DTexture2DArrayIndex, &image2DTexture2DIndex);
+    }
+
+    std::string result = shaderHLSL;
+    bool success       = angle::ReplaceSubstring(&result, kImage2DFunctionString, out.str());
+    ASSERT(success);
+
+    return result;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicImage2DHLSL.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicImage2DHLSL.h
new file mode 100644
index 0000000000..6533c972f8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicImage2DHLSL.h
@@ -0,0 +1,28 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DynamicImage2DHLSL.h: Interface for link and run-time HLSL generation
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_DYNAMICIMAGE2DHLSL_H_
+#define LIBANGLE_RENDERER_D3D_DYNAMICIMAGE2DHLSL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace rx
+{
+std::string GenerateShaderForImage2DBindSignature(
+    ProgramD3D &programD3D,
+    const gl::ProgramState &programData,
+    gl::ShaderType shaderType,
+    const std::string &shaderHLSL,
+    std::vector<sh::ShaderVariable> &image2DUniforms,
+    const gl::ImageUnitTextureTypeMap &image2DBindLayout,
+    unsigned int baseUAVRegister);
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_DYNAMICHLSL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.cpp
new file mode 100644
index 0000000000..c2ff39ba24
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.cpp
@@ -0,0 +1,93 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGLImageD3D.cpp: Implements the rx::EGLImageD3D class, the D3D implementation of EGL images
+
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+
+#include "common/debug.h"
+#include "common/utilities.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/TextureStorage.h"
+
+#include <EGL/eglext.h>
+
+namespace rx
+{
+
+EGLImageD3D::EGLImageD3D(const egl::ImageState &state,
+                         EGLenum target,
+                         const egl::AttributeMap &attribs,
+                         RendererD3D *renderer)
+    : ImageImpl(state), mRenderer(renderer), mRenderTarget(nullptr)
+{
+    ASSERT(renderer != nullptr);
+}
+
+EGLImageD3D::~EGLImageD3D()
+{
+    SafeDelete(mRenderTarget);
+}
+
+egl::Error EGLImageD3D::initialize(const egl::Display *display)
+{
+    return egl::NoError();
+}
+
+angle::Result EGLImageD3D::orphan(const gl::Context *context, egl::ImageSibling *sibling)
+{
+    if (sibling == mState.source)
+    {
+        ANGLE_TRY(copyToLocalRendertarget(context));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result EGLImageD3D::getRenderTarget(const gl::Context *context,
+                                           RenderTargetD3D **outRT) const
+{
+    if (mState.source != nullptr)
+    {
+        ASSERT(!mRenderTarget);
+        FramebufferAttachmentRenderTarget *rt = nullptr;
+        ANGLE_TRY(
+            mState.source->getAttachmentRenderTarget(context, GL_NONE, mState.imageIndex, 0, &rt));
+        *outRT = static_cast<RenderTargetD3D *>(rt);
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mRenderTarget);
+    *outRT = mRenderTarget;
+    return angle::Result::Continue;
+}
+
+angle::Result EGLImageD3D::copyToLocalRendertarget(const gl::Context *context)
+{
+    ASSERT(mState.source != nullptr);
+    ASSERT(mRenderTarget == nullptr);
+
+    RenderTargetD3D *curRenderTarget = nullptr;
+    ANGLE_TRY(getRenderTarget(context, &curRenderTarget));
+
+    {
+        std::unique_lock lock(mState.targetsLock);
+        // Invalidate FBOs with this Image attached. Only currently applies to D3D11.
+        for (egl::ImageSibling *target : mState.targets)
+        {
+            target->onStateChange(angle::SubjectMessage::SubjectChanged);
+        }
+    }
+
+    return mRenderer->createRenderTargetCopy(context, curRenderTarget, &mRenderTarget);
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.h
new file mode 100644
index 0000000000..53c18739af
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.h
@@ -0,0 +1,55 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// EGLImageD3D.h: Defines the rx::EGLImageD3D class, the D3D implementation of EGL images
+
+#ifndef LIBANGLE_RENDERER_D3D_EGLIMAGED3D_H_
+#define LIBANGLE_RENDERER_D3D_EGLIMAGED3D_H_
+
+#include "libANGLE/renderer/ImageImpl.h"
+
+namespace gl
+{
+class Context;
+}
+
+namespace egl
+{
+class AttributeMap;
+}
+
+namespace rx
+{
+class FramebufferAttachmentObjectImpl;
+class TextureD3D;
+class RenderbufferD3D;
+class RendererD3D;
+class RenderTargetD3D;
+
+class EGLImageD3D final : public ImageImpl
+{
+  public:
+    EGLImageD3D(const egl::ImageState &state,
+                EGLenum target,
+                const egl::AttributeMap &attribs,
+                RendererD3D *renderer);
+    ~EGLImageD3D() override;
+
+    egl::Error initialize(const egl::Display *display) override;
+
+    angle::Result orphan(const gl::Context *context, egl::ImageSibling *sibling) override;
+
+    angle::Result getRenderTarget(const gl::Context *context, RenderTargetD3D **outRT) const;
+
+  private:
+    angle::Result copyToLocalRendertarget(const gl::Context *context);
+
+    RendererD3D *mRenderer;
+    RenderTargetD3D *mRenderTarget;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_EGLIMAGED3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp
new file mode 100644
index 0000000000..5a8279a586
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp
@@ -0,0 +1,402 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// FramebufferD3D.cpp: Implements the DefaultAttachmentD3D and FramebufferD3D classes.
+
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+
+#include "common/bitset_utils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/SurfaceD3D.h"
+#include "libANGLE/renderer/d3d/SwapChainD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+
+namespace rx
+{
+
+namespace
+{
+
+ClearParameters GetClearParameters(const gl::State &state, GLbitfield mask)
+{
+    ClearParameters clearParams;
+    memset(&clearParams, 0, sizeof(ClearParameters));
+
+    clearParams.colorF           = state.getColorClearValue();
+    clearParams.colorType        = GL_FLOAT;
+    clearParams.clearDepth       = false;
+    clearParams.depthValue       = state.getDepthClearValue();
+    clearParams.clearStencil     = false;
+    clearParams.stencilValue     = state.getStencilClearValue();
+    clearParams.stencilWriteMask = state.getDepthStencilState().stencilWritemask;
+
+    const auto *framebufferObject      = state.getDrawFramebuffer();
+    const gl::Extents &framebufferSize = framebufferObject->getFirstNonNullAttachment()->getSize();
+    const gl::Offset &surfaceTextureOffset = framebufferObject->getSurfaceTextureOffset();
+    if (state.isScissorTestEnabled())
+    {
+        clearParams.scissorEnabled = true;
+        clearParams.scissor        = state.getScissor();
+        clearParams.scissor.x      = clearParams.scissor.x + surfaceTextureOffset.x;
+        clearParams.scissor.y      = clearParams.scissor.y + surfaceTextureOffset.y;
+    }
+    else if (surfaceTextureOffset != gl::kOffsetZero)
+    {
+        clearParams.scissorEnabled = true;
+        clearParams.scissor        = gl::Rectangle(surfaceTextureOffset.x, surfaceTextureOffset.y,
+                                            framebufferSize.width, framebufferSize.height);
+    }
+
+    const bool clearColor =
+        (mask & GL_COLOR_BUFFER_BIT) && framebufferObject->hasEnabledDrawBuffer();
+    if (clearColor)
+    {
+        clearParams.clearColor.set();
+    }
+    else
+    {
+        clearParams.clearColor.reset();
+    }
+    clearParams.colorMask = state.getBlendStateExt().getColorMaskBits();
+
+    if (mask & GL_DEPTH_BUFFER_BIT)
+    {
+        if (state.getDepthStencilState().depthMask &&
+            framebufferObject->getDepthAttachment() != nullptr)
+        {
+            clearParams.clearDepth = true;
+        }
+    }
+
+    if (mask & GL_STENCIL_BUFFER_BIT)
+    {
+        if (framebufferObject->getStencilAttachment() != nullptr &&
+            framebufferObject->getStencilAttachment()->getStencilSize() > 0)
+        {
+            clearParams.clearStencil = true;
+        }
+    }
+
+    return clearParams;
+}
+}  // namespace
+
+ClearParameters::ClearParameters() = default;
+
+ClearParameters::ClearParameters(const ClearParameters &other) = default;
+
+FramebufferD3D::FramebufferD3D(const gl::FramebufferState &data, RendererD3D *renderer)
+    : FramebufferImpl(data), mRenderer(renderer), mMockAttachment()
+{}
+
+FramebufferD3D::~FramebufferD3D() {}
+
+angle::Result FramebufferD3D::clear(const gl::Context *context, GLbitfield mask)
+{
+    ClearParameters clearParams = GetClearParameters(context->getState(), mask);
+    return clearImpl(context, clearParams);
+}
+
+angle::Result FramebufferD3D::clearBufferfv(const gl::Context *context,
+                                            GLenum buffer,
+                                            GLint drawbuffer,
+                                            const GLfloat *values)
+{
+    // glClearBufferfv can be called to clear the color buffer or depth buffer
+    ClearParameters clearParams = GetClearParameters(context->getState(), 0);
+
+    if (buffer == GL_COLOR)
+    {
+        for (unsigned int i = 0; i < clearParams.clearColor.size(); i++)
+        {
+            clearParams.clearColor[i] = (drawbuffer == static_cast<int>(i));
+        }
+        clearParams.colorF    = gl::ColorF(values[0], values[1], values[2], values[3]);
+        clearParams.colorType = GL_FLOAT;
+    }
+
+    if (buffer == GL_DEPTH)
+    {
+        clearParams.clearDepth = true;
+        clearParams.depthValue = values[0];
+    }
+
+    return clearImpl(context, clearParams);
+}
+
+angle::Result FramebufferD3D::clearBufferuiv(const gl::Context *context,
+                                             GLenum buffer,
+                                             GLint drawbuffer,
+                                             const GLuint *values)
+{
+    // glClearBufferuiv can only be called to clear a color buffer
+    ClearParameters clearParams = GetClearParameters(context->getState(), 0);
+    for (unsigned int i = 0; i < clearParams.clearColor.size(); i++)
+    {
+        clearParams.clearColor[i] = (drawbuffer == static_cast<int>(i));
+    }
+    clearParams.colorUI   = gl::ColorUI(values[0], values[1], values[2], values[3]);
+    clearParams.colorType = GL_UNSIGNED_INT;
+
+    return clearImpl(context, clearParams);
+}
+
+angle::Result FramebufferD3D::clearBufferiv(const gl::Context *context,
+                                            GLenum buffer,
+                                            GLint drawbuffer,
+                                            const GLint *values)
+{
+    // glClearBufferiv can be called to clear the color buffer or stencil buffer
+    ClearParameters clearParams = GetClearParameters(context->getState(), 0);
+
+    if (buffer == GL_COLOR)
+    {
+        for (unsigned int i = 0; i < clearParams.clearColor.size(); i++)
+        {
+            clearParams.clearColor[i] = (drawbuffer == static_cast<int>(i));
+        }
+        clearParams.colorI    = gl::ColorI(values[0], values[1], values[2], values[3]);
+        clearParams.colorType = GL_INT;
+    }
+
+    if (buffer == GL_STENCIL)
+    {
+        clearParams.clearStencil = true;
+        clearParams.stencilValue = values[0];
+    }
+
+    return clearImpl(context, clearParams);
+}
+
+angle::Result FramebufferD3D::clearBufferfi(const gl::Context *context,
+                                            GLenum buffer,
+                                            GLint drawbuffer,
+                                            GLfloat depth,
+                                            GLint stencil)
+{
+    // glClearBufferfi can only be called to clear a depth stencil buffer
+    ClearParameters clearParams = GetClearParameters(context->getState(), 0);
+    clearParams.clearDepth      = true;
+    clearParams.depthValue      = depth;
+    clearParams.clearStencil    = true;
+    clearParams.stencilValue    = stencil;
+
+    return clearImpl(context, clearParams);
+}
+
+angle::Result FramebufferD3D::readPixels(const gl::Context *context,
+                                         const gl::Rectangle &area,
+                                         GLenum format,
+                                         GLenum type,
+                                         const gl::PixelPackState &pack,
+                                         gl::Buffer *packBuffer,
+                                         void *pixels)
+{
+    // Clip read area to framebuffer.
+    const gl::Extents fbSize = getState().getReadPixelsAttachment(format)->getSize();
+    const gl::Rectangle fbRect(0, 0, fbSize.width, fbSize.height);
+    gl::Rectangle clippedArea;
+    if (!ClipRectangle(area, fbRect, &clippedArea))
+    {
+        // nothing to read
+        return angle::Result::Continue;
+    }
+
+    const gl::InternalFormat &sizedFormatInfo = gl::GetInternalFormatInfo(format, type);
+
+    ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+
+    GLuint outputPitch = 0;
+    ANGLE_CHECK_GL_MATH(contextD3D,
+                        sizedFormatInfo.computeRowPitch(type, area.width, pack.alignment,
+                                                        pack.rowLength, &outputPitch));
+
+    GLuint outputSkipBytes = 0;
+    ANGLE_CHECK_GL_MATH(contextD3D, sizedFormatInfo.computeSkipBytes(type, outputPitch, 0, pack,
+                                                                     false, &outputSkipBytes));
+    outputSkipBytes += (clippedArea.x - area.x) * sizedFormatInfo.pixelBytes +
+                       (clippedArea.y - area.y) * outputPitch;
+
+    return readPixelsImpl(context, clippedArea, format, type, outputPitch, pack, packBuffer,
+                          static_cast<uint8_t *>(pixels) + outputSkipBytes);
+}
+
+angle::Result FramebufferD3D::blit(const gl::Context *context,
+                                   const gl::Rectangle &sourceArea,
+                                   const gl::Rectangle &destArea,
+                                   GLbitfield mask,
+                                   GLenum filter)
+{
+    const auto &glState                      = context->getState();
+    const gl::Framebuffer *sourceFramebuffer = glState.getReadFramebuffer();
+    const gl::Rectangle *scissor = glState.isScissorTestEnabled() ? &glState.getScissor() : nullptr;
+    ANGLE_TRY(blitImpl(context, sourceArea, destArea, scissor, (mask & GL_COLOR_BUFFER_BIT) != 0,
+                       (mask & GL_DEPTH_BUFFER_BIT) != 0, (mask & GL_STENCIL_BUFFER_BIT) != 0,
+                       filter, sourceFramebuffer));
+
+    return angle::Result::Continue;
+}
+
+gl::FramebufferStatus FramebufferD3D::checkStatus(const gl::Context *context) const
+{
+    // if we have both a depth and stencil buffer, they must refer to the same object
+    // since we only support packed_depth_stencil and not separate depth and stencil
+    if (mState.hasSeparateDepthAndStencilAttachments())
+    {
+        return gl::FramebufferStatus::Incomplete(
+            GL_FRAMEBUFFER_UNSUPPORTED,
+            gl::err::kFramebufferIncompleteUnsupportedSeparateDepthStencilBuffers);
+    }
+
+    // D3D11 does not allow for overlapping RenderTargetViews.
+    // If WebGL compatibility is enabled, this has already been checked at a higher level.
+    ASSERT(!context->isWebGL() || mState.colorAttachmentsAreUniqueImages());
+    if (!context->isWebGL())
+    {
+        if (!mState.colorAttachmentsAreUniqueImages())
+        {
+            return gl::FramebufferStatus::Incomplete(
+                GL_FRAMEBUFFER_UNSUPPORTED,
+                gl::err::kFramebufferIncompleteUnsupportedNonUniqueAttachments);
+        }
+    }
+
+    // D3D requires all render targets to have the same dimensions.
+    if (!mState.attachmentsHaveSameDimensions())
+    {
+        return gl::FramebufferStatus::Incomplete(
+            GL_FRAMEBUFFER_UNSUPPORTED,
+            gl::err::kFramebufferIncompleteUnsupportedMissmatchedDimensions);
+    }
+
+    return gl::FramebufferStatus::Complete();
+}
+
+angle::Result FramebufferD3D::syncState(const gl::Context *context,
+                                        GLenum binding,
+                                        const gl::Framebuffer::DirtyBits &dirtyBits,
+                                        gl::Command command)
+{
+    if (!mColorAttachmentsForRender.valid())
+    {
+        return angle::Result::Continue;
+    }
+
+    for (auto dirtyBit : dirtyBits)
+    {
+        if ((dirtyBit >= gl::Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_0 &&
+             dirtyBit < gl::Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_MAX) ||
+            dirtyBit == gl::Framebuffer::DIRTY_BIT_DRAW_BUFFERS)
+        {
+            mColorAttachmentsForRender.reset();
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+const gl::AttachmentList &FramebufferD3D::getColorAttachmentsForRender(const gl::Context *context)
+{
+    gl::DrawBufferMask activeProgramOutputs =
+        context->getState().getProgram()->getExecutable().getActiveOutputVariablesMask();
+
+    if (mColorAttachmentsForRender.valid() && mCurrentActiveProgramOutputs == activeProgramOutputs)
+    {
+        return mColorAttachmentsForRender.value();
+    }
+
+    // Does not actually free memory
+    gl::AttachmentList colorAttachmentsForRender;
+    mColorAttachmentsForRenderMask.reset();
+
+    const auto &colorAttachments = mState.getColorAttachments();
+    const auto &drawBufferStates = mState.getDrawBufferStates();
+    const auto &features         = mRenderer->getFeatures();
+
+    for (size_t attachmentIndex = 0; attachmentIndex < colorAttachments.size(); ++attachmentIndex)
+    {
+        GLenum drawBufferState                           = drawBufferStates[attachmentIndex];
+        const gl::FramebufferAttachment &colorAttachment = colorAttachments[attachmentIndex];
+
+        if (colorAttachment.isAttached() && drawBufferState != GL_NONE &&
+            activeProgramOutputs[attachmentIndex])
+        {
+            ASSERT(drawBufferState == GL_BACK ||
+                   drawBufferState == (GL_COLOR_ATTACHMENT0_EXT + attachmentIndex));
+            colorAttachmentsForRender.push_back(&colorAttachment);
+            mColorAttachmentsForRenderMask.set(attachmentIndex);
+        }
+        else if (!features.mrtPerfWorkaround.enabled)
+        {
+            colorAttachmentsForRender.push_back(nullptr);
+            mColorAttachmentsForRenderMask.set(attachmentIndex);
+        }
+    }
+
+    // When rendering with no render target on D3D, two bugs lead to incorrect behavior on Intel
+    // drivers < 4815. The rendering samples always pass neglecting discard statements in pixel
+    // shader. We add a mock texture as render target in such case.
+    if (mRenderer->getFeatures().addMockTextureNoRenderTarget.enabled &&
+        colorAttachmentsForRender.empty() && activeProgramOutputs.any())
+    {
+        static_assert(static_cast<size_t>(activeProgramOutputs.size()) <= 32,
+                      "Size of active program outputs should less or equal than 32.");
+        const GLuint activeProgramLocation = static_cast<GLuint>(
+            gl::ScanForward(static_cast<uint32_t>(activeProgramOutputs.bits())));
+
+        if (mMockAttachment.isAttached() &&
+            (mMockAttachment.getBinding() - GL_COLOR_ATTACHMENT0) == activeProgramLocation)
+        {
+            colorAttachmentsForRender.push_back(&mMockAttachment);
+        }
+        else
+        {
+            // Remove mock attachment to prevents us from leaking it, and the program may require
+            // it to be attached to a new binding point.
+            if (mMockAttachment.isAttached())
+            {
+                mMockAttachment.detach(context, Serial());
+            }
+
+            gl::Texture *mockTex = nullptr;
+            // TODO(jmadill): Handle error if mock texture can't be created.
+            (void)mRenderer->getIncompleteTexture(context, gl::TextureType::_2D, &mockTex);
+            if (mockTex)
+            {
+                gl::ImageIndex index = gl::ImageIndex::Make2D(0);
+                mMockAttachment      = gl::FramebufferAttachment(
+                    context, GL_TEXTURE, GL_COLOR_ATTACHMENT0_EXT + activeProgramLocation, index,
+                    mockTex, Serial());
+                colorAttachmentsForRender.push_back(&mMockAttachment);
+            }
+        }
+    }
+
+    mColorAttachmentsForRender   = std::move(colorAttachmentsForRender);
+    mCurrentActiveProgramOutputs = activeProgramOutputs;
+
+    return mColorAttachmentsForRender.value();
+}
+
+void FramebufferD3D::destroy(const gl::Context *context)
+{
+    if (mMockAttachment.isAttached())
+    {
+        mMockAttachment.detach(context, Serial());
+    }
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.h
new file mode 100644
index 0000000000..67e19bd4bc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.h
@@ -0,0 +1,143 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// FramebufferD3D.h: Defines the DefaultAttachmentD3D and FramebufferD3D classes.
+
+#ifndef LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
+#define LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
+
+#include <cstdint>
+#include <vector>
+
+#include "common/Color.h"
+#include "common/Optional.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/FramebufferImpl.h"
+
+namespace gl
+{
+class FramebufferAttachment;
+struct PixelPackState;
+
+typedef std::vector<const FramebufferAttachment *> AttachmentList;
+}  // namespace gl
+
+namespace rx
+{
+class RendererD3D;
+class RenderTargetD3D;
+
+struct ClearParameters
+{
+    ClearParameters();
+    ClearParameters(const ClearParameters &other);
+
+    gl::DrawBufferMask clearColor;
+    gl::ColorF colorF;
+    gl::ColorI colorI;
+    gl::ColorUI colorUI;
+    GLenum colorType;
+    gl::BlendStateExt::ColorMaskStorage::Type colorMask;
+
+    bool clearDepth;
+    float depthValue;
+
+    bool clearStencil;
+    GLint stencilValue;
+    GLuint stencilWriteMask;
+
+    bool scissorEnabled;
+    gl::Rectangle scissor;
+};
+
+class FramebufferD3D : public FramebufferImpl
+{
+  public:
+    FramebufferD3D(const gl::FramebufferState &data, RendererD3D *renderer);
+    ~FramebufferD3D() override;
+
+    angle::Result clear(const gl::Context *context, GLbitfield mask) override;
+    angle::Result clearBufferfv(const gl::Context *context,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                const GLfloat *values) override;
+    angle::Result clearBufferuiv(const gl::Context *context,
+                                 GLenum buffer,
+                                 GLint drawbuffer,
+                                 const GLuint *values) override;
+    angle::Result clearBufferiv(const gl::Context *context,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                const GLint *values) override;
+    angle::Result clearBufferfi(const gl::Context *context,
+                                GLenum buffer,
+                                GLint drawbuffer,
+                                GLfloat depth,
+                                GLint stencil) override;
+
+    angle::Result readPixels(const gl::Context *context,
+                             const gl::Rectangle &area,
+                             GLenum format,
+                             GLenum type,
+                             const gl::PixelPackState &pack,
+                             gl::Buffer *packBuffer,
+                             void *pixels) override;
+
+    angle::Result blit(const gl::Context *context,
+                       const gl::Rectangle &sourceArea,
+                       const gl::Rectangle &destArea,
+                       GLbitfield mask,
+                       GLenum filter) override;
+
+    gl::FramebufferStatus checkStatus(const gl::Context *context) const override;
+
+    angle::Result syncState(const gl::Context *context,
+                            GLenum binding,
+                            const gl::Framebuffer::DirtyBits &dirtyBits,
+                            gl::Command command) override;
+
+    const gl::AttachmentList &getColorAttachmentsForRender(const gl::Context *context);
+
+    const gl::DrawBufferMask getLastColorAttachmentsForRenderMask() const
+    {
+        return mColorAttachmentsForRenderMask;
+    }
+
+    void destroy(const gl::Context *context) override;
+
+  private:
+    virtual angle::Result clearImpl(const gl::Context *context,
+                                    const ClearParameters &clearParams) = 0;
+
+    virtual angle::Result readPixelsImpl(const gl::Context *context,
+                                         const gl::Rectangle &area,
+                                         GLenum format,
+                                         GLenum type,
+                                         size_t outputPitch,
+                                         const gl::PixelPackState &pack,
+                                         gl::Buffer *packBuffer,
+                                         uint8_t *pixels) = 0;
+
+    virtual angle::Result blitImpl(const gl::Context *context,
+                                   const gl::Rectangle &sourceArea,
+                                   const gl::Rectangle &destArea,
+                                   const gl::Rectangle *scissor,
+                                   bool blitRenderTarget,
+                                   bool blitDepth,
+                                   bool blitStencil,
+                                   GLenum filter,
+                                   const gl::Framebuffer *sourceFramebuffer) = 0;
+
+    RendererD3D *mRenderer;
+    Optional<gl::AttachmentList> mColorAttachmentsForRender;
+    gl::DrawBufferMask mCurrentActiveProgramOutputs;
+    gl::DrawBufferMask mColorAttachmentsForRenderMask;
+
+    gl::FramebufferAttachment mMockAttachment;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/HLSLCompiler.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/HLSLCompiler.cpp
new file mode 100644
index 0000000000..e7260e403a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/HLSLCompiler.cpp
@@ -0,0 +1,387 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "libANGLE/renderer/d3d/HLSLCompiler.h"
+
+#include <sstream>
+
+#include "common/system_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/features.h"
+#include "libANGLE/histogram_macros.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+#include "libANGLE/trace.h"
+
+namespace
+{
+#if ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO == ANGLE_ENABLED
+#    ifdef CREATE_COMPILER_FLAG_INFO
+#        undef CREATE_COMPILER_FLAG_INFO
+#    endif
+
+#    define CREATE_COMPILER_FLAG_INFO(flag) \
+        {                                   \
+            flag, #flag                     \
+        }
+
+struct CompilerFlagInfo
+{
+    UINT mFlag;
+    const char *mName;
+};
+
+CompilerFlagInfo CompilerFlagInfos[] = {
+    // NOTE: The data below is copied from d3dcompiler.h
+    // If something changes there it should be changed here as well
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_DEBUG),                           // (1 << 0)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_SKIP_VALIDATION),                 // (1 << 1)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_SKIP_OPTIMIZATION),               // (1 << 2)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_PACK_MATRIX_ROW_MAJOR),           // (1 << 3)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_PACK_MATRIX_COLUMN_MAJOR),        // (1 << 4)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_PARTIAL_PRECISION),               // (1 << 5)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_FORCE_VS_SOFTWARE_NO_OPT),        // (1 << 6)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_FORCE_PS_SOFTWARE_NO_OPT),        // (1 << 7)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_NO_PRESHADER),                    // (1 << 8)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_AVOID_FLOW_CONTROL),              // (1 << 9)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_PREFER_FLOW_CONTROL),             // (1 << 10)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_ENABLE_STRICTNESS),               // (1 << 11)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY),  // (1 << 12)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_IEEE_STRICTNESS),                 // (1 << 13)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_OPTIMIZATION_LEVEL0),             // (1 << 14)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_OPTIMIZATION_LEVEL1),             // 0
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_OPTIMIZATION_LEVEL2),  // ((1 << 14) | (1 << 15))
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_OPTIMIZATION_LEVEL3),  // (1 << 15)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_RESERVED16),           // (1 << 16)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_RESERVED17),           // (1 << 17)
+    CREATE_COMPILER_FLAG_INFO(D3DCOMPILE_WARNINGS_ARE_ERRORS)   // (1 << 18)
+};
+
+#    undef CREATE_COMPILER_FLAG_INFO
+
+bool IsCompilerFlagSet(UINT mask, UINT flag)
+{
+    bool isFlagSet = IsMaskFlagSet(mask, flag);
+
+    switch (flag)
+    {
+        case D3DCOMPILE_OPTIMIZATION_LEVEL0:
+            return isFlagSet && !IsMaskFlagSet(mask, UINT(D3DCOMPILE_OPTIMIZATION_LEVEL3));
+
+        case D3DCOMPILE_OPTIMIZATION_LEVEL1:
+            return (mask & D3DCOMPILE_OPTIMIZATION_LEVEL2) == UINT(0);
+
+        case D3DCOMPILE_OPTIMIZATION_LEVEL3:
+            return isFlagSet && !IsMaskFlagSet(mask, UINT(D3DCOMPILE_OPTIMIZATION_LEVEL0));
+
+        default:
+            return isFlagSet;
+    }
+}
+#endif  // ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO == ANGLE_ENABLED
+
+constexpr char kOldCompilerLibrary[] = "d3dcompiler_old.dll";
+
+enum D3DCompilerLoadLibraryResult
+{
+    D3DCompilerDefaultLibrarySuccess,
+    D3DCompilerOldLibrarySuccess,
+    D3DCompilerFailure,
+    D3DCompilerEnumBoundary,
+};
+}  // anonymous namespace
+
+namespace rx
+{
+
+CompileConfig::CompileConfig() : flags(0), name() {}
+
+CompileConfig::CompileConfig(UINT flags, const std::string &name) : flags(flags), name(name) {}
+
+HLSLCompiler::HLSLCompiler()
+    : mInitialized(false),
+      mD3DCompilerModule(nullptr),
+      mD3DCompileFunc(nullptr),
+      mD3DDisassembleFunc(nullptr)
+{}
+
+HLSLCompiler::~HLSLCompiler()
+{
+    release();
+}
+
+angle::Result HLSLCompiler::ensureInitialized(d3d::Context *context)
+{
+    if (mInitialized)
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRACE_EVENT0("gpu.angle", "HLSLCompiler::initialize");
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP)
+#    if defined(ANGLE_PRELOADED_D3DCOMPILER_MODULE_NAMES)
+    // Find a D3DCompiler module that had already been loaded based on a predefined list of
+    // versions.
+    static const char *d3dCompilerNames[] = ANGLE_PRELOADED_D3DCOMPILER_MODULE_NAMES;
+
+    for (size_t i = 0; i < ArraySize(d3dCompilerNames); ++i)
+    {
+        if (GetModuleHandleExA(0, d3dCompilerNames[i], &mD3DCompilerModule))
+        {
+            break;
+        }
+    }
+#    endif  // ANGLE_PRELOADED_D3DCOMPILER_MODULE_NAMES
+
+    if (!mD3DCompilerModule)
+    {
+        // Load the version of the D3DCompiler DLL associated with the Direct3D version ANGLE was
+        // built with.
+        mD3DCompilerModule = LoadLibraryA(D3DCOMPILER_DLL_A);
+
+        if (mD3DCompilerModule)
+        {
+            ANGLE_HISTOGRAM_ENUMERATION("GPU.ANGLE.D3DCompilerLoadLibraryResult",
+                                        D3DCompilerDefaultLibrarySuccess, D3DCompilerEnumBoundary);
+        }
+        else
+        {
+            WARN() << "Failed to load HLSL compiler library. Using 'old' DLL.";
+            mD3DCompilerModule = LoadLibraryA(kOldCompilerLibrary);
+            if (mD3DCompilerModule)
+            {
+                ANGLE_HISTOGRAM_ENUMERATION("GPU.ANGLE.D3DCompilerLoadLibraryResult",
+                                            D3DCompilerOldLibrarySuccess, D3DCompilerEnumBoundary);
+            }
+        }
+    }
+
+    if (!mD3DCompilerModule)
+    {
+        DWORD lastError = GetLastError();
+        ERR() << "D3D Compiler LoadLibrary failed. GetLastError=" << lastError;
+        ANGLE_HISTOGRAM_ENUMERATION("GPU.ANGLE.D3DCompilerLoadLibraryResult", D3DCompilerFailure,
+                                    D3DCompilerEnumBoundary);
+        ANGLE_TRY_HR(context, E_OUTOFMEMORY, "LoadLibrary failed to load D3D Compiler DLL.");
+    }
+
+    mD3DCompileFunc =
+        reinterpret_cast<pD3DCompile>(GetProcAddress(mD3DCompilerModule, "D3DCompile"));
+    ASSERT(mD3DCompileFunc);
+
+    mD3DDisassembleFunc =
+        reinterpret_cast<pD3DDisassemble>(GetProcAddress(mD3DCompilerModule, "D3DDisassemble"));
+    ASSERT(mD3DDisassembleFunc);
+
+#else
+    // D3D Shader compiler is linked already into this module, so the export
+    // can be directly assigned.
+    mD3DCompilerModule  = nullptr;
+    mD3DCompileFunc     = reinterpret_cast<pD3DCompile>(D3DCompile);
+    mD3DDisassembleFunc = reinterpret_cast<pD3DDisassemble>(D3DDisassemble);
+#endif
+
+    ANGLE_CHECK_HR(context, mD3DCompileFunc, "Error finding D3DCompile entry point.",
+                   E_OUTOFMEMORY);
+
+    mInitialized = true;
+    return angle::Result::Continue;
+}
+
+void HLSLCompiler::release()
+{
+    if (mInitialized)
+    {
+        FreeLibrary(mD3DCompilerModule);
+        mD3DCompilerModule  = nullptr;
+        mD3DCompileFunc     = nullptr;
+        mD3DDisassembleFunc = nullptr;
+        mInitialized        = false;
+    }
+}
+
+angle::Result HLSLCompiler::compileToBinary(d3d::Context *context,
+                                            gl::InfoLog &infoLog,
+                                            const std::string &hlsl,
+                                            const std::string &profile,
+                                            const std::vector<CompileConfig> &configs,
+                                            const D3D_SHADER_MACRO *overrideMacros,
+                                            ID3DBlob **outCompiledBlob,
+                                            std::string *outDebugInfo)
+{
+    ASSERT(mInitialized);
+
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP)
+    ASSERT(mD3DCompilerModule);
+#endif
+    ASSERT(mD3DCompileFunc);
+
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP) && defined(ANGLE_ENABLE_DEBUG_TRACE)
+    std::string sourcePath = angle::CreateTemporaryFile().value();
+    std::ostringstream stream;
+    stream << "#line 2 \"" << sourcePath << "\"\n\n" << hlsl;
+    std::string sourceText = stream.str();
+    writeFile(sourcePath.c_str(), sourceText.c_str(), sourceText.size());
+#endif
+
+    const D3D_SHADER_MACRO *macros = overrideMacros ? overrideMacros : nullptr;
+
+    for (size_t i = 0; i < configs.size(); ++i)
+    {
+        ID3DBlob *errorMessage = nullptr;
+        ID3DBlob *binary       = nullptr;
+        HRESULT result         = S_OK;
+
+        {
+            ANGLE_TRACE_EVENT1("gpu.angle", "D3DCompile", "source", hlsl);
+            result = mD3DCompileFunc(hlsl.c_str(), hlsl.length(), gl::g_fakepath, macros, nullptr,
+                                     "main", profile.c_str(), configs[i].flags, 0, &binary,
+                                     &errorMessage);
+        }
+
+        if (errorMessage)
+        {
+            std::string message = static_cast<const char *>(errorMessage->GetBufferPointer());
+            SafeRelease(errorMessage);
+            ANGLE_TRACE_EVENT1("gpu.angle", "D3DCompile::Error", "error", errorMessage);
+
+            infoLog.appendSanitized(message.c_str());
+
+            // This produces unbelievable amounts of spam in about:gpu.
+            // WARN() << std::endl << hlsl;
+
+            WARN() << std::endl << message;
+
+            if (macros != nullptr)
+            {
+                constexpr const char *kLoopRelatedErrors[] = {
+                    // "can't unroll loops marked with loop attribute"
+                    "error X3531:",
+
+                    // "cannot have gradient operations inside loops with divergent flow control",
+                    // even though it is counter-intuitive to disable unrolling for this error, some
+                    // very long shaders have trouble deciding which loops to unroll and turning off
+                    // forced unrolls allows them to compile properly.
+                    "error X4014:",
+
+                    // "array index out of bounds", loop unrolling can result in invalid array
+                    // access if the indices become constant, causing loops that may never be
+                    // executed to generate compilation errors
+                    "error X3504:",
+                };
+
+                bool hasLoopRelatedError = false;
+                for (const char *errorType : kLoopRelatedErrors)
+                {
+                    if (message.find(errorType) != std::string::npos)
+                    {
+                        hasLoopRelatedError = true;
+                        break;
+                    }
+                }
+
+                if (hasLoopRelatedError)
+                {
+                    // Disable [loop] and [flatten]
+                    macros = nullptr;
+
+                    // Retry without changing compiler flags
+                    i--;
+                    continue;
+                }
+            }
+        }
+
+        if (SUCCEEDED(result))
+        {
+            *outCompiledBlob = binary;
+
+            (*outDebugInfo) +=
+                "// COMPILER INPUT HLSL BEGIN\n\n" + hlsl + "\n// COMPILER INPUT HLSL END\n";
+
+#if ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO == ANGLE_ENABLED
+            (*outDebugInfo) += "\n\n// ASSEMBLY BEGIN\n\n";
+            (*outDebugInfo) += "// Compiler configuration: " + configs[i].name + "\n// Flags:\n";
+            for (size_t fIx = 0; fIx < ArraySize(CompilerFlagInfos); ++fIx)
+            {
+                if (IsCompilerFlagSet(configs[i].flags, CompilerFlagInfos[fIx].mFlag))
+                {
+                    (*outDebugInfo) += std::string("// ") + CompilerFlagInfos[fIx].mName + "\n";
+                }
+            }
+
+            (*outDebugInfo) += "// Macros:\n";
+            if (macros == nullptr)
+            {
+                (*outDebugInfo) += "// - : -\n";
+            }
+            else
+            {
+                for (const D3D_SHADER_MACRO *mIt = macros; mIt->Name != nullptr; ++mIt)
+                {
+                    (*outDebugInfo) +=
+                        std::string("// ") + mIt->Name + " : " + mIt->Definition + "\n";
+                }
+            }
+
+            std::string disassembly;
+            ANGLE_TRY(disassembleBinary(context, binary, &disassembly));
+            (*outDebugInfo) += "\n" + disassembly + "\n// ASSEMBLY END\n";
+#endif  // ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO == ANGLE_ENABLED
+            return angle::Result::Continue;
+        }
+
+        if (result == E_OUTOFMEMORY)
+        {
+            *outCompiledBlob = nullptr;
+            ANGLE_TRY_HR(context, result, "HLSL compiler had an unexpected failure");
+        }
+
+        infoLog << "Warning: D3D shader compilation failed with " << configs[i].name << " flags. ("
+                << profile << ")";
+
+        if (i + 1 < configs.size())
+        {
+            infoLog << " Retrying with " << configs[i + 1].name;
+        }
+    }
+
+    // None of the configurations succeeded in compiling this shader but the compiler is still
+    // intact
+    *outCompiledBlob = nullptr;
+    return angle::Result::Continue;
+}
+
+angle::Result HLSLCompiler::disassembleBinary(d3d::Context *context,
+                                              ID3DBlob *shaderBinary,
+                                              std::string *disassemblyOut)
+{
+    ANGLE_TRY(ensureInitialized(context));
+
+    // Retrieve disassembly
+    UINT flags = D3D_DISASM_ENABLE_DEFAULT_VALUE_PRINTS | D3D_DISASM_ENABLE_INSTRUCTION_NUMBERING;
+    ID3DBlob *disassembly           = nullptr;
+    pD3DDisassemble disassembleFunc = reinterpret_cast<pD3DDisassemble>(mD3DDisassembleFunc);
+    LPCVOID buffer                  = shaderBinary->GetBufferPointer();
+    SIZE_T bufSize                  = shaderBinary->GetBufferSize();
+    HRESULT result                  = disassembleFunc(buffer, bufSize, flags, "", &disassembly);
+
+    if (SUCCEEDED(result))
+    {
+        *disassemblyOut = std::string(static_cast<const char *>(disassembly->GetBufferPointer()));
+    }
+    else
+    {
+        *disassemblyOut = "";
+    }
+
+    SafeRelease(disassembly);
+
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/HLSLCompiler.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/HLSLCompiler.h
new file mode 100644
index 0000000000..98a17799cf
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/HLSLCompiler.h
@@ -0,0 +1,74 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// HLSLCompiler: Wrapper for the D3DCompiler DLL.
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_HLSLCOMPILER_H_
+#define LIBANGLE_RENDERER_D3D_HLSLCOMPILER_H_
+
+#include "libANGLE/Error.h"
+
+#include "common/angleutils.h"
+#include "common/platform.h"
+
+#include <string>
+#include <vector>
+
+namespace gl
+{
+class InfoLog;
+}  // namespace gl
+
+namespace rx
+{
+namespace d3d
+{
+class Context;
+}  // namespace d3d
+
+struct CompileConfig
+{
+    UINT flags;
+    std::string name;
+
+    CompileConfig();
+    CompileConfig(UINT flags, const std::string &name);
+};
+
+class HLSLCompiler : angle::NonCopyable
+{
+  public:
+    HLSLCompiler();
+    ~HLSLCompiler();
+
+    void release();
+
+    // Attempt to compile a HLSL shader using the supplied configurations, may output a NULL
+    // compiled blob even if no GL errors are returned.
+    angle::Result compileToBinary(d3d::Context *context,
+                                  gl::InfoLog &infoLog,
+                                  const std::string &hlsl,
+                                  const std::string &profile,
+                                  const std::vector<CompileConfig> &configs,
+                                  const D3D_SHADER_MACRO *overrideMacros,
+                                  ID3DBlob **outCompiledBlob,
+                                  std::string *outDebugInfo);
+
+    angle::Result disassembleBinary(d3d::Context *context,
+                                    ID3DBlob *shaderBinary,
+                                    std::string *disassemblyOut);
+    angle::Result ensureInitialized(d3d::Context *context);
+
+  private:
+    bool mInitialized;
+    HMODULE mD3DCompilerModule;
+    pD3DCompile mD3DCompileFunc;
+    pD3DDisassemble mD3DDisassembleFunc;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_HLSLCOMPILER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ImageD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ImageD3D.cpp
new file mode 100644
index 0000000000..67ad3aee70
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ImageD3D.cpp
@@ -0,0 +1,56 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image.h: Implements the rx::Image class, an abstract base class for the
+// renderer-specific classes which will define the interface to the underlying
+// surfaces or resources.
+
+#include "libANGLE/renderer/d3d/ImageD3D.h"
+
+namespace rx
+{
+
+ImageD3D::ImageD3D()
+    : mWidth(0),
+      mHeight(0),
+      mDepth(0),
+      mInternalFormat(GL_NONE),
+      mRenderable(false),
+      mType(gl::TextureType::InvalidEnum),
+      mDirty(false)
+{}
+
+angle::Result ImageD3D::setManagedSurface2D(const gl::Context *context,
+                                            TextureStorage *storage,
+                                            int level)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result ImageD3D::setManagedSurfaceCube(const gl::Context *context,
+                                              TextureStorage *storage,
+                                              int face,
+                                              int level)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result ImageD3D::setManagedSurface3D(const gl::Context *context,
+                                            TextureStorage *storage,
+                                            int level)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result ImageD3D::setManagedSurface2DArray(const gl::Context *context,
+                                                 TextureStorage *storage,
+                                                 int layer,
+                                                 int level)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ImageD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ImageD3D.h
new file mode 100644
index 0000000000..ac58ca5cf6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ImageD3D.h
@@ -0,0 +1,105 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ImageD3D.h: Defines the rx::ImageD3D class, an abstract base class for the
+// renderer-specific classes which will define the interface to the underlying
+// surfaces or resources.
+
+#ifndef LIBANGLE_RENDERER_D3D_IMAGED3D_H_
+#define LIBANGLE_RENDERER_D3D_IMAGED3D_H_
+
+#include "common/debug.h"
+
+#include "common/PackedEnums.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+class Context;
+class Framebuffer;
+class ImageIndex;
+struct PixelUnpackState;
+}  // namespace gl
+
+namespace rx
+{
+class TextureStorage;
+class RendererD3D;
+class RenderTargetD3D;
+
+class ImageD3D : angle::NonCopyable
+{
+  public:
+    ImageD3D();
+    virtual ~ImageD3D() {}
+
+    GLsizei getWidth() const { return mWidth; }
+    GLsizei getHeight() const { return mHeight; }
+    GLsizei getDepth() const { return mDepth; }
+    GLenum getInternalFormat() const { return mInternalFormat; }
+    gl::TextureType getType() const { return mType; }
+    bool isRenderableFormat() const { return mRenderable; }
+
+    void markDirty() { mDirty = true; }
+    void markClean() { mDirty = false; }
+    virtual bool isDirty() const = 0;
+
+    virtual bool redefine(gl::TextureType type,
+                          GLenum internalformat,
+                          const gl::Extents &size,
+                          bool forceRelease) = 0;
+
+    virtual angle::Result loadData(const gl::Context *context,
+                                   const gl::Box &area,
+                                   const gl::PixelUnpackState &unpack,
+                                   GLenum type,
+                                   const void *input,
+                                   bool applySkipImages)        = 0;
+    virtual angle::Result loadCompressedData(const gl::Context *context,
+                                             const gl::Box &area,
+                                             const void *input) = 0;
+
+    virtual angle::Result setManagedSurface2D(const gl::Context *context,
+                                              TextureStorage *storage,
+                                              int level);
+    virtual angle::Result setManagedSurfaceCube(const gl::Context *context,
+                                                TextureStorage *storage,
+                                                int face,
+                                                int level);
+    virtual angle::Result setManagedSurface3D(const gl::Context *context,
+                                              TextureStorage *storage,
+                                              int level);
+    virtual angle::Result setManagedSurface2DArray(const gl::Context *context,
+                                                   TextureStorage *storage,
+                                                   int layer,
+                                                   int level);
+    virtual angle::Result copyToStorage(const gl::Context *context,
+                                        TextureStorage *storage,
+                                        const gl::ImageIndex &index,
+                                        const gl::Box &region) = 0;
+
+    virtual angle::Result copyFromTexStorage(const gl::Context *context,
+                                             const gl::ImageIndex &imageIndex,
+                                             TextureStorage *source)         = 0;
+    virtual angle::Result copyFromFramebuffer(const gl::Context *context,
+                                              const gl::Offset &destOffset,
+                                              const gl::Rectangle &sourceArea,
+                                              const gl::Framebuffer *source) = 0;
+
+  protected:
+    GLsizei mWidth;
+    GLsizei mHeight;
+    GLsizei mDepth;
+    GLenum mInternalFormat;
+    bool mRenderable;
+    gl::TextureType mType;
+
+    bool mDirty;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_IMAGED3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexBuffer.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexBuffer.cpp
new file mode 100644
index 0000000000..423067e67e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexBuffer.cpp
@@ -0,0 +1,183 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexBuffer.cpp: Defines the abstract IndexBuffer class and IndexBufferInterface
+// class with derivations, classes that perform graphics API agnostic index buffer operations.
+
+#include "libANGLE/renderer/d3d/IndexBuffer.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+
+namespace rx
+{
+
+unsigned int IndexBuffer::mNextSerial = 1;
+
+IndexBuffer::IndexBuffer()
+{
+    updateSerial();
+}
+
+IndexBuffer::~IndexBuffer() {}
+
+unsigned int IndexBuffer::getSerial() const
+{
+    return mSerial;
+}
+
+void IndexBuffer::updateSerial()
+{
+    mSerial = mNextSerial++;
+}
+
+IndexBufferInterface::IndexBufferInterface(BufferFactoryD3D *factory, bool dynamic)
+{
+    mIndexBuffer = factory->createIndexBuffer();
+
+    mDynamic       = dynamic;
+    mWritePosition = 0;
+}
+
+IndexBufferInterface::~IndexBufferInterface()
+{
+    if (mIndexBuffer)
+    {
+        delete mIndexBuffer;
+    }
+}
+
+gl::DrawElementsType IndexBufferInterface::getIndexType() const
+{
+    return mIndexBuffer->getIndexType();
+}
+
+unsigned int IndexBufferInterface::getBufferSize() const
+{
+    return mIndexBuffer->getBufferSize();
+}
+
+unsigned int IndexBufferInterface::getSerial() const
+{
+    return mIndexBuffer->getSerial();
+}
+
+angle::Result IndexBufferInterface::mapBuffer(const gl::Context *context,
+                                              unsigned int size,
+                                              void **outMappedMemory,
+                                              unsigned int *streamOffset)
+{
+    // Protect against integer overflow
+    bool check = (mWritePosition + size < mWritePosition);
+    ANGLE_CHECK(GetImplAs<ContextD3D>(context), !check,
+                "Mapping of internal index buffer would cause an integer overflow.",
+                GL_OUT_OF_MEMORY);
+
+    angle::Result error = mIndexBuffer->mapBuffer(context, mWritePosition, size, outMappedMemory);
+    if (error == angle::Result::Stop)
+    {
+        if (outMappedMemory)
+        {
+            *outMappedMemory = nullptr;
+        }
+        return error;
+    }
+
+    if (streamOffset)
+    {
+        *streamOffset = mWritePosition;
+    }
+
+    mWritePosition += size;
+    return angle::Result::Continue;
+}
+
+angle::Result IndexBufferInterface::unmapBuffer(const gl::Context *context)
+{
+    return mIndexBuffer->unmapBuffer(context);
+}
+
+IndexBuffer *IndexBufferInterface::getIndexBuffer() const
+{
+    return mIndexBuffer;
+}
+
+unsigned int IndexBufferInterface::getWritePosition() const
+{
+    return mWritePosition;
+}
+
+void IndexBufferInterface::setWritePosition(unsigned int writePosition)
+{
+    mWritePosition = writePosition;
+}
+
+angle::Result IndexBufferInterface::discard(const gl::Context *context)
+{
+    return mIndexBuffer->discard(context);
+}
+
+angle::Result IndexBufferInterface::setBufferSize(const gl::Context *context,
+                                                  unsigned int bufferSize,
+                                                  gl::DrawElementsType indexType)
+{
+    if (mIndexBuffer->getBufferSize() == 0)
+    {
+        return mIndexBuffer->initialize(context, bufferSize, indexType, mDynamic);
+    }
+    else
+    {
+        return mIndexBuffer->setSize(context, bufferSize, indexType);
+    }
+}
+
+StreamingIndexBufferInterface::StreamingIndexBufferInterface(BufferFactoryD3D *factory)
+    : IndexBufferInterface(factory, true)
+{}
+
+StreamingIndexBufferInterface::~StreamingIndexBufferInterface() {}
+
+angle::Result StreamingIndexBufferInterface::reserveBufferSpace(const gl::Context *context,
+                                                                unsigned int size,
+                                                                gl::DrawElementsType indexType)
+{
+    unsigned int curBufferSize = getBufferSize();
+    unsigned int writePos      = getWritePosition();
+    if (size > curBufferSize)
+    {
+        ANGLE_TRY(setBufferSize(context, std::max(size, 2 * curBufferSize), indexType));
+        setWritePosition(0);
+    }
+    else if (writePos + size > curBufferSize || writePos + size < writePos)
+    {
+        ANGLE_TRY(discard(context));
+        setWritePosition(0);
+    }
+
+    return angle::Result::Continue;
+}
+
+StaticIndexBufferInterface::StaticIndexBufferInterface(BufferFactoryD3D *factory)
+    : IndexBufferInterface(factory, false)
+{}
+
+StaticIndexBufferInterface::~StaticIndexBufferInterface() {}
+
+angle::Result StaticIndexBufferInterface::reserveBufferSpace(const gl::Context *context,
+                                                             unsigned int size,
+                                                             gl::DrawElementsType indexType)
+{
+    unsigned int curSize = getBufferSize();
+    if (curSize == 0)
+    {
+        return setBufferSize(context, size, indexType);
+    }
+
+    ASSERT(curSize >= size && indexType == getIndexType());
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexBuffer.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexBuffer.h
new file mode 100644
index 0000000000..7bab52a9f0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexBuffer.h
@@ -0,0 +1,125 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexBuffer.h: Defines the abstract IndexBuffer class and IndexBufferInterface
+// class with derivations, classes that perform graphics API agnostic index buffer operations.
+
+#ifndef LIBANGLE_RENDERER_D3D_INDEXBUFFER_H_
+#define LIBANGLE_RENDERER_D3D_INDEXBUFFER_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class BufferFactoryD3D;
+
+class IndexBuffer : angle::NonCopyable
+{
+  public:
+    IndexBuffer();
+    virtual ~IndexBuffer();
+
+    virtual angle::Result initialize(const gl::Context *context,
+                                     unsigned int bufferSize,
+                                     gl::DrawElementsType indexType,
+                                     bool dynamic) = 0;
+
+    virtual angle::Result mapBuffer(const gl::Context *context,
+                                    unsigned int offset,
+                                    unsigned int size,
+                                    void **outMappedMemory)       = 0;
+    virtual angle::Result unmapBuffer(const gl::Context *context) = 0;
+
+    virtual angle::Result discard(const gl::Context *context) = 0;
+
+    virtual gl::DrawElementsType getIndexType() const             = 0;
+    virtual unsigned int getBufferSize() const                    = 0;
+    virtual angle::Result setSize(const gl::Context *context,
+                                  unsigned int bufferSize,
+                                  gl::DrawElementsType indexType) = 0;
+
+    unsigned int getSerial() const;
+
+  protected:
+    void updateSerial();
+
+  private:
+    unsigned int mSerial;
+    static unsigned int mNextSerial;
+};
+
+class IndexBufferInterface : angle::NonCopyable
+{
+  public:
+    IndexBufferInterface(BufferFactoryD3D *factory, bool dynamic);
+    virtual ~IndexBufferInterface();
+
+    virtual angle::Result reserveBufferSpace(const gl::Context *context,
+                                             unsigned int size,
+                                             gl::DrawElementsType indexType) = 0;
+
+    gl::DrawElementsType getIndexType() const;
+    unsigned int getBufferSize() const;
+
+    unsigned int getSerial() const;
+
+    angle::Result mapBuffer(const gl::Context *context,
+                            unsigned int size,
+                            void **outMappedMemory,
+                            unsigned int *streamOffset);
+    angle::Result unmapBuffer(const gl::Context *context);
+
+    IndexBuffer *getIndexBuffer() const;
+
+  protected:
+    unsigned int getWritePosition() const;
+    void setWritePosition(unsigned int writePosition);
+
+    angle::Result discard(const gl::Context *context);
+
+    angle::Result setBufferSize(const gl::Context *context,
+                                unsigned int bufferSize,
+                                gl::DrawElementsType indexType);
+
+  private:
+    IndexBuffer *mIndexBuffer;
+
+    unsigned int mWritePosition;
+    bool mDynamic;
+};
+
+class StreamingIndexBufferInterface : public IndexBufferInterface
+{
+  public:
+    explicit StreamingIndexBufferInterface(BufferFactoryD3D *factory);
+    ~StreamingIndexBufferInterface() override;
+
+    angle::Result reserveBufferSpace(const gl::Context *context,
+                                     unsigned int size,
+                                     gl::DrawElementsType indexType) override;
+};
+
+class StaticIndexBufferInterface : public IndexBufferInterface
+{
+  public:
+    explicit StaticIndexBufferInterface(BufferFactoryD3D *factory);
+    ~StaticIndexBufferInterface() override;
+
+    angle::Result reserveBufferSpace(const gl::Context *context,
+                                     unsigned int size,
+                                     gl::DrawElementsType indexType) override;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_INDEXBUFFER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexDataManager.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexDataManager.cpp
new file mode 100644
index 0000000000..dd8f45342f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexDataManager.cpp
@@ -0,0 +1,318 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexDataManager.cpp: Defines the IndexDataManager, a class that
+// runs the Buffer translation process for index buffers.
+
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+#include "libANGLE/renderer/d3d/IndexBuffer.h"
+
+namespace rx
+{
+
+namespace
+{
+
+template <typename InputT, typename DestT>
+void ConvertIndexArray(const void *input,
+                       gl::DrawElementsType sourceType,
+                       void *output,
+                       gl::DrawElementsType destinationType,
+                       GLsizei count,
+                       bool usePrimitiveRestartFixedIndex)
+{
+    const InputT *in = static_cast<const InputT *>(input);
+    DestT *out       = static_cast<DestT *>(output);
+
+    if (usePrimitiveRestartFixedIndex)
+    {
+        InputT srcRestartIndex = static_cast<InputT>(gl::GetPrimitiveRestartIndex(sourceType));
+        DestT destRestartIndex = static_cast<DestT>(gl::GetPrimitiveRestartIndex(destinationType));
+        for (GLsizei i = 0; i < count; i++)
+        {
+            out[i] = (in[i] == srcRestartIndex ? destRestartIndex : static_cast<DestT>(in[i]));
+        }
+    }
+    else
+    {
+        for (GLsizei i = 0; i < count; i++)
+        {
+            out[i] = static_cast<DestT>(in[i]);
+        }
+    }
+}
+
+void ConvertIndices(gl::DrawElementsType sourceType,
+                    gl::DrawElementsType destinationType,
+                    const void *input,
+                    GLsizei count,
+                    void *output,
+                    bool usePrimitiveRestartFixedIndex)
+{
+    if (sourceType == destinationType)
+    {
+        const GLuint dstTypeSize = gl::GetDrawElementsTypeSize(destinationType);
+        memcpy(output, input, count * dstTypeSize);
+        return;
+    }
+
+    if (sourceType == gl::DrawElementsType::UnsignedByte)
+    {
+        ASSERT(destinationType == gl::DrawElementsType::UnsignedShort);
+        ConvertIndexArray<GLubyte, GLushort>(input, sourceType, output, destinationType, count,
+                                             usePrimitiveRestartFixedIndex);
+    }
+    else if (sourceType == gl::DrawElementsType::UnsignedShort)
+    {
+        ASSERT(destinationType == gl::DrawElementsType::UnsignedInt);
+        ConvertIndexArray<GLushort, GLuint>(input, sourceType, output, destinationType, count,
+                                            usePrimitiveRestartFixedIndex);
+    }
+    else
+        UNREACHABLE();
+}
+
+angle::Result StreamInIndexBuffer(const gl::Context *context,
+                                  IndexBufferInterface *buffer,
+                                  const void *data,
+                                  unsigned int count,
+                                  gl::DrawElementsType srcType,
+                                  gl::DrawElementsType dstType,
+                                  bool usePrimitiveRestartFixedIndex,
+                                  unsigned int *offset)
+{
+    const GLuint dstTypeBytesShift = gl::GetDrawElementsTypeShift(dstType);
+
+    bool check = (count > (std::numeric_limits<unsigned int>::max() >> dstTypeBytesShift));
+    ANGLE_CHECK(GetImplAs<ContextD3D>(context), !check,
+                "Reserving indices exceeds the maximum buffer size.", GL_OUT_OF_MEMORY);
+
+    unsigned int bufferSizeRequired = count << dstTypeBytesShift;
+    ANGLE_TRY(buffer->reserveBufferSpace(context, bufferSizeRequired, dstType));
+
+    void *output = nullptr;
+    ANGLE_TRY(buffer->mapBuffer(context, bufferSizeRequired, &output, offset));
+
+    ConvertIndices(srcType, dstType, data, count, output, usePrimitiveRestartFixedIndex);
+
+    ANGLE_TRY(buffer->unmapBuffer(context));
+    return angle::Result::Continue;
+}
+}  // anonymous namespace
+
+// IndexDataManager implementation.
+IndexDataManager::IndexDataManager(BufferFactoryD3D *factory)
+    : mFactory(factory), mStreamingBufferShort(), mStreamingBufferInt()
+{}
+
+IndexDataManager::~IndexDataManager() {}
+
+void IndexDataManager::deinitialize()
+{
+    mStreamingBufferShort.reset();
+    mStreamingBufferInt.reset();
+}
+
+// This function translates a GL-style indices into DX-style indices, with their description
+// returned in translated.
+// GL can specify vertex data in immediate mode (pointer to CPU array of indices), which is not
+// possible in DX and requires streaming (Case 1). If the GL indices are specified with a buffer
+// (Case 2), in a format supported by DX (subcase a) then all is good.
+// When we have a buffer with an unsupported format (subcase b) then we need to do some translation:
+// we will start by falling back to streaming, and after a while will start using a static
+// translated copy of the index buffer.
+angle::Result IndexDataManager::prepareIndexData(const gl::Context *context,
+                                                 gl::DrawElementsType srcType,
+                                                 gl::DrawElementsType dstType,
+                                                 GLsizei count,
+                                                 gl::Buffer *glBuffer,
+                                                 const void *indices,
+                                                 TranslatedIndexData *translated)
+{
+    GLuint srcTypeBytes = gl::GetDrawElementsTypeSize(srcType);
+    GLuint srcTypeShift = gl::GetDrawElementsTypeShift(srcType);
+    GLuint dstTypeShift = gl::GetDrawElementsTypeShift(dstType);
+
+    BufferD3D *buffer = glBuffer ? GetImplAs<BufferD3D>(glBuffer) : nullptr;
+
+    translated->indexType                 = dstType;
+    translated->srcIndexData.srcBuffer    = buffer;
+    translated->srcIndexData.srcIndices   = indices;
+    translated->srcIndexData.srcIndexType = srcType;
+    translated->srcIndexData.srcCount     = count;
+
+    // Context can be nullptr in perf tests.
+    bool primitiveRestartFixedIndexEnabled =
+        context ? context->getState().isPrimitiveRestartEnabled() : false;
+
+    // Case 1: the indices are passed by pointer, which forces the streaming of index data
+    if (glBuffer == nullptr)
+    {
+        translated->storage = nullptr;
+        return streamIndexData(context, indices, count, srcType, dstType,
+                               primitiveRestartFixedIndexEnabled, translated);
+    }
+
+    // Case 2: the indices are already in a buffer
+    unsigned int offset = static_cast<unsigned int>(reinterpret_cast<uintptr_t>(indices));
+    ASSERT(srcTypeBytes * static_cast<unsigned int>(count) + offset <= buffer->getSize());
+
+    bool offsetAligned = IsOffsetAligned(srcType, offset);
+
+    // Case 2a: the buffer can be used directly
+    if (offsetAligned && buffer->supportsDirectBinding() && dstType == srcType)
+    {
+        translated->storage     = buffer;
+        translated->indexBuffer = nullptr;
+        translated->serial      = buffer->getSerial();
+        translated->startIndex  = (offset >> srcTypeShift);
+        translated->startOffset = offset;
+        return angle::Result::Continue;
+    }
+
+    translated->storage = nullptr;
+
+    // Case 2b: use a static translated copy or fall back to streaming
+    StaticIndexBufferInterface *staticBuffer = buffer->getStaticIndexBuffer();
+
+    bool staticBufferInitialized = staticBuffer && staticBuffer->getBufferSize() != 0;
+    bool staticBufferUsable =
+        staticBuffer && offsetAligned && staticBuffer->getIndexType() == dstType;
+
+    if (staticBufferInitialized && !staticBufferUsable)
+    {
+        buffer->invalidateStaticData(context);
+        staticBuffer = nullptr;
+    }
+
+    if (staticBuffer == nullptr || !offsetAligned)
+    {
+        const uint8_t *bufferData = nullptr;
+        ANGLE_TRY(buffer->getData(context, &bufferData));
+        ASSERT(bufferData != nullptr);
+
+        ANGLE_TRY(streamIndexData(context, bufferData + offset, count, srcType, dstType,
+                                  primitiveRestartFixedIndexEnabled, translated));
+        buffer->promoteStaticUsage(context, count << srcTypeShift);
+    }
+    else
+    {
+        if (!staticBufferInitialized)
+        {
+            const uint8_t *bufferData = nullptr;
+            ANGLE_TRY(buffer->getData(context, &bufferData));
+            ASSERT(bufferData != nullptr);
+
+            unsigned int convertCount =
+                static_cast<unsigned int>(buffer->getSize()) >> srcTypeShift;
+            ANGLE_TRY(StreamInIndexBuffer(context, staticBuffer, bufferData, convertCount, srcType,
+                                          dstType, primitiveRestartFixedIndexEnabled, nullptr));
+        }
+        ASSERT(offsetAligned && staticBuffer->getIndexType() == dstType);
+
+        translated->indexBuffer = staticBuffer->getIndexBuffer();
+        translated->serial      = staticBuffer->getSerial();
+        translated->startIndex  = (offset >> srcTypeShift);
+        translated->startOffset = (offset >> srcTypeShift) << dstTypeShift;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result IndexDataManager::streamIndexData(const gl::Context *context,
+                                                const void *data,
+                                                unsigned int count,
+                                                gl::DrawElementsType srcType,
+                                                gl::DrawElementsType dstType,
+                                                bool usePrimitiveRestartFixedIndex,
+                                                TranslatedIndexData *translated)
+{
+    const GLuint dstTypeShift = gl::GetDrawElementsTypeShift(dstType);
+
+    IndexBufferInterface *indexBuffer = nullptr;
+    ANGLE_TRY(getStreamingIndexBuffer(context, dstType, &indexBuffer));
+    ASSERT(indexBuffer != nullptr);
+
+    unsigned int offset;
+    ANGLE_TRY(StreamInIndexBuffer(context, indexBuffer, data, count, srcType, dstType,
+                                  usePrimitiveRestartFixedIndex, &offset));
+
+    translated->indexBuffer = indexBuffer->getIndexBuffer();
+    translated->serial      = indexBuffer->getSerial();
+    translated->startIndex  = (offset >> dstTypeShift);
+    translated->startOffset = offset;
+
+    return angle::Result::Continue;
+}
+
+angle::Result IndexDataManager::getStreamingIndexBuffer(const gl::Context *context,
+                                                        gl::DrawElementsType destinationIndexType,
+                                                        IndexBufferInterface **outBuffer)
+{
+    ASSERT(outBuffer);
+    ASSERT(destinationIndexType == gl::DrawElementsType::UnsignedShort ||
+           destinationIndexType == gl::DrawElementsType::UnsignedInt);
+
+    auto &streamingBuffer = (destinationIndexType == gl::DrawElementsType::UnsignedInt)
+                                ? mStreamingBufferInt
+                                : mStreamingBufferShort;
+
+    if (!streamingBuffer)
+    {
+        StreamingBuffer newBuffer(new StreamingIndexBufferInterface(mFactory));
+        ANGLE_TRY(newBuffer->reserveBufferSpace(context, INITIAL_INDEX_BUFFER_SIZE,
+                                                destinationIndexType));
+        streamingBuffer = std::move(newBuffer);
+    }
+
+    *outBuffer = streamingBuffer.get();
+    return angle::Result::Continue;
+}
+
+angle::Result GetIndexTranslationDestType(const gl::Context *context,
+                                          GLsizei indexCount,
+                                          gl::DrawElementsType indexType,
+                                          const void *indices,
+                                          bool usePrimitiveRestartWorkaround,
+                                          gl::DrawElementsType *destTypeOut)
+{
+    // Avoid D3D11's primitive restart index value
+    // see http://msdn.microsoft.com/en-us/library/windows/desktop/bb205124(v=vs.85).aspx
+    if (usePrimitiveRestartWorkaround)
+    {
+        // Conservatively assume we need to translate the indices for draw indirect.
+        // This is a bit of a trick. We assume the count for an indirect draw is zero.
+        if (indexCount == 0)
+        {
+            *destTypeOut = gl::DrawElementsType::UnsignedInt;
+            return angle::Result::Continue;
+        }
+
+        gl::IndexRange indexRange;
+        ANGLE_TRY(context->getState().getVertexArray()->getIndexRange(
+            context, indexType, indexCount, indices, &indexRange));
+        if (indexRange.end == gl::GetPrimitiveRestartIndex(indexType))
+        {
+            *destTypeOut = gl::DrawElementsType::UnsignedInt;
+            return angle::Result::Continue;
+        }
+    }
+
+    *destTypeOut = (indexType == gl::DrawElementsType::UnsignedInt)
+                       ? gl::DrawElementsType::UnsignedInt
+                       : gl::DrawElementsType::UnsignedShort;
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexDataManager.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexDataManager.h
new file mode 100644
index 0000000000..53bfc721da
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/IndexDataManager.h
@@ -0,0 +1,112 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexDataManager.h: Defines the IndexDataManager, a class that
+// runs the Buffer translation process for index buffers.
+
+#ifndef LIBANGLE_INDEXDATAMANAGER_H_
+#define LIBANGLE_INDEXDATAMANAGER_H_
+
+#include <GLES2/gl2.h>
+
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace
+{
+enum
+{
+    INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint)
+};
+}
+
+namespace gl
+{
+class Buffer;
+}
+
+namespace rx
+{
+class IndexBufferInterface;
+class StaticIndexBufferInterface;
+class StreamingIndexBufferInterface;
+class IndexBuffer;
+class BufferD3D;
+class RendererD3D;
+
+struct SourceIndexData
+{
+    BufferD3D *srcBuffer;
+    const void *srcIndices;
+    unsigned int srcCount;
+    gl::DrawElementsType srcIndexType;
+    bool srcIndicesChanged;
+};
+
+struct TranslatedIndexData
+{
+    unsigned int startIndex;
+    unsigned int startOffset;  // In bytes
+
+    IndexBuffer *indexBuffer;
+    BufferD3D *storage;
+    gl::DrawElementsType indexType;
+    unsigned int serial;
+
+    SourceIndexData srcIndexData;
+};
+
+class IndexDataManager : angle::NonCopyable
+{
+  public:
+    explicit IndexDataManager(BufferFactoryD3D *factory);
+    virtual ~IndexDataManager();
+
+    void deinitialize();
+
+    angle::Result prepareIndexData(const gl::Context *context,
+                                   gl::DrawElementsType srcType,
+                                   gl::DrawElementsType dstType,
+                                   GLsizei count,
+                                   gl::Buffer *glBuffer,
+                                   const void *indices,
+                                   TranslatedIndexData *translated);
+
+  private:
+    angle::Result streamIndexData(const gl::Context *context,
+                                  const void *data,
+                                  unsigned int count,
+                                  gl::DrawElementsType srcType,
+                                  gl::DrawElementsType dstType,
+                                  bool usePrimitiveRestartFixedIndex,
+                                  TranslatedIndexData *translated);
+    angle::Result getStreamingIndexBuffer(const gl::Context *context,
+                                          gl::DrawElementsType destinationIndexType,
+                                          IndexBufferInterface **outBuffer);
+
+    using StreamingBuffer = std::unique_ptr<StreamingIndexBufferInterface>;
+
+    BufferFactoryD3D *const mFactory;
+    std::unique_ptr<StreamingIndexBufferInterface> mStreamingBufferShort;
+    std::unique_ptr<StreamingIndexBufferInterface> mStreamingBufferInt;
+};
+
+angle::Result GetIndexTranslationDestType(const gl::Context *context,
+                                          GLsizei indexCount,
+                                          gl::DrawElementsType indexType,
+                                          const void *indices,
+                                          bool usePrimitiveRestartWorkaround,
+                                          gl::DrawElementsType *destTypeOut);
+
+ANGLE_INLINE bool IsOffsetAligned(gl::DrawElementsType elementType, unsigned int offset)
+{
+    return (offset % gl::GetDrawElementsTypeSize(elementType) == 0);
+}
+}  // namespace rx
+
+#endif  // LIBANGLE_INDEXDATAMANAGER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/NativeWindowD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/NativeWindowD3D.cpp
new file mode 100644
index 0000000000..a8543a06d7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/NativeWindowD3D.cpp
@@ -0,0 +1,19 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// NativeWindowD3D.cpp: Defines NativeWindowD3D, a class for managing and performing operations on
+// an EGLNativeWindowType for the D3D renderers.
+
+#include "libANGLE/renderer/d3d/NativeWindowD3D.h"
+
+namespace rx
+{
+
+NativeWindowD3D::NativeWindowD3D(EGLNativeWindowType window) : mWindow(window) {}
+
+NativeWindowD3D::~NativeWindowD3D() {}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/NativeWindowD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/NativeWindowD3D.h
new file mode 100644
index 0000000000..8560f16bde
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/NativeWindowD3D.h
@@ -0,0 +1,38 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// NativeWindowD3D.h: Defines NativeWindowD3D, a class for managing and performing operations on an
+// EGLNativeWindowType for the D3D renderers.
+
+#ifndef LIBANGLE_RENDERER_D3D_NATIVEWINDOWD3D_H_
+#define LIBANGLE_RENDERER_D3D_NATIVEWINDOWD3D_H_
+
+#include "common/debug.h"
+#include "common/platform.h"
+
+#include <EGL/eglplatform.h>
+#include "libANGLE/Config.h"
+
+namespace rx
+{
+class NativeWindowD3D : angle::NonCopyable
+{
+  public:
+    NativeWindowD3D(EGLNativeWindowType window);
+    virtual ~NativeWindowD3D();
+
+    virtual bool initialize()                     = 0;
+    virtual bool getClientRect(LPRECT rect) const = 0;
+    virtual bool isIconic() const                 = 0;
+
+    inline EGLNativeWindowType getNativeWindow() const { return mWindow; }
+
+  private:
+    EGLNativeWindowType mWindow;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_NATIVEWINDOWD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ProgramD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ProgramD3D.cpp
new file mode 100644
index 0000000000..b38ede4133
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ProgramD3D.cpp
@@ -0,0 +1,3412 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramD3D.cpp: Defines the rx::ProgramD3D class which implements rx::ProgramImpl.
+
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+
+#include "common/MemoryBuffer.h"
+#include "common/bitset_utils.h"
+#include "common/string_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/ProgramLinkedResources.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/features.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+#include "libANGLE/renderer/d3d/DynamicHLSL.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+#include "libANGLE/renderer/d3d/ShaderExecutableD3D.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+#include "libANGLE/renderer/renderer_utils.h"
+#include "libANGLE/trace.h"
+
+using namespace angle;
+
+namespace rx
+{
+
+namespace
+{
+
+void GetDefaultInputLayoutFromShader(const gl::Context *context,
+                                     gl::Shader *vertexShader,
+                                     gl::InputLayout *inputLayoutOut)
+{
+    inputLayoutOut->clear();
+
+    if (!vertexShader)
+    {
+        return;
+    }
+
+    for (const sh::ShaderVariable &shaderAttr : vertexShader->getActiveAttributes(context))
+    {
+        if (shaderAttr.type != GL_NONE)
+        {
+            GLenum transposedType = gl::TransposeMatrixType(shaderAttr.type);
+
+            for (size_t rowIndex = 0;
+                 static_cast<int>(rowIndex) < gl::VariableRowCount(transposedType); ++rowIndex)
+            {
+                GLenum componentType = gl::VariableComponentType(transposedType);
+                GLuint components    = static_cast<GLuint>(gl::VariableColumnCount(transposedType));
+                bool pureInt         = (componentType != GL_FLOAT);
+
+                gl::VertexAttribType attribType =
+                    gl::FromGLenum<gl::VertexAttribType>(componentType);
+
+                angle::FormatID defaultID =
+                    gl::GetVertexFormatID(attribType, GL_FALSE, components, pureInt);
+
+                inputLayoutOut->push_back(defaultID);
+            }
+        }
+    }
+}
+
+size_t GetMaxOutputIndex(const std::vector<PixelShaderOutputVariable> &shaderOutputVars,
+                         size_t location)
+{
+    size_t maxIndex = 0;
+    for (auto &outputVar : shaderOutputVars)
+    {
+        if (outputVar.outputLocation == location)
+        {
+            maxIndex = std::max(maxIndex, outputVar.outputIndex);
+        }
+    }
+    return maxIndex;
+}
+
+void GetDefaultOutputLayoutFromShader(
+    const std::vector<PixelShaderOutputVariable> &shaderOutputVars,
+    std::vector<GLenum> *outputLayoutOut)
+{
+    outputLayoutOut->clear();
+
+    if (!shaderOutputVars.empty())
+    {
+        size_t location = shaderOutputVars[0].outputLocation;
+        size_t maxIndex = GetMaxOutputIndex(shaderOutputVars, location);
+        outputLayoutOut->assign(maxIndex + 1,
+                                GL_COLOR_ATTACHMENT0 + static_cast<unsigned int>(location));
+    }
+}
+
+void GetDefaultImage2DBindLayoutFromShader(const std::vector<sh::ShaderVariable> &image2DUniforms,
+                                           gl::ImageUnitTextureTypeMap *image2DBindLayout)
+{
+    image2DBindLayout->clear();
+
+    for (const sh::ShaderVariable &image2D : image2DUniforms)
+    {
+        if (gl::IsImage2DType(image2D.type))
+        {
+            if (image2D.binding == -1)
+            {
+                image2DBindLayout->insert(std::make_pair(0, gl::TextureType::_2D));
+            }
+            else
+            {
+                for (unsigned int index = 0; index < image2D.getArraySizeProduct(); index++)
+                {
+                    image2DBindLayout->insert(
+                        std::make_pair(image2D.binding + index, gl::TextureType::_2D));
+                }
+            }
+        }
+    }
+}
+
+gl::PrimitiveMode GetGeometryShaderTypeFromDrawMode(gl::PrimitiveMode drawMode)
+{
+    switch (drawMode)
+    {
+        // Uses the point sprite geometry shader.
+        case gl::PrimitiveMode::Points:
+            return gl::PrimitiveMode::Points;
+
+        // All line drawing uses the same geometry shader.
+        case gl::PrimitiveMode::Lines:
+        case gl::PrimitiveMode::LineStrip:
+        case gl::PrimitiveMode::LineLoop:
+            return gl::PrimitiveMode::Lines;
+
+        // The triangle fan primitive is emulated with strips in D3D11.
+        case gl::PrimitiveMode::Triangles:
+        case gl::PrimitiveMode::TriangleFan:
+            return gl::PrimitiveMode::Triangles;
+
+        // Special case for triangle strips.
+        case gl::PrimitiveMode::TriangleStrip:
+            return gl::PrimitiveMode::TriangleStrip;
+
+        default:
+            UNREACHABLE();
+            return gl::PrimitiveMode::InvalidEnum;
+    }
+}
+
+bool HasFlatInterpolationVarying(const std::vector<sh::ShaderVariable> &varyings)
+{
+    // Note: this assumes nested structs can only be packed with one interpolation.
+    for (const auto &varying : varyings)
+    {
+        if (varying.interpolation == sh::INTERPOLATION_FLAT)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool FindFlatInterpolationVaryingPerShader(const gl::Context *context, gl::Shader *shader)
+{
+    ASSERT(shader);
+    switch (shader->getType())
+    {
+        case gl::ShaderType::Vertex:
+            return HasFlatInterpolationVarying(shader->getOutputVaryings(context));
+        case gl::ShaderType::Fragment:
+            return HasFlatInterpolationVarying(shader->getInputVaryings(context));
+        case gl::ShaderType::Geometry:
+            return HasFlatInterpolationVarying(shader->getInputVaryings(context)) ||
+                   HasFlatInterpolationVarying(shader->getOutputVaryings(context));
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool FindFlatInterpolationVarying(const gl::Context *context,
+                                  const gl::ShaderMap<gl::Shader *> &shaders)
+{
+    for (gl::ShaderType shaderType : gl::kAllGraphicsShaderTypes)
+    {
+        gl::Shader *shader = shaders[shaderType];
+        if (!shader)
+        {
+            continue;
+        }
+
+        if (FindFlatInterpolationVaryingPerShader(context, shader))
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// Helper class that gathers uniform info from the default uniform block.
+class UniformEncodingVisitorD3D : public sh::BlockEncoderVisitor
+{
+  public:
+    UniformEncodingVisitorD3D(gl::ShaderType shaderType,
+                              HLSLRegisterType registerType,
+                              sh::BlockLayoutEncoder *encoder,
+                              D3DUniformMap *uniformMapOut)
+        : sh::BlockEncoderVisitor("", "", encoder),
+          mShaderType(shaderType),
+          mRegisterType(registerType),
+          mUniformMapOut(uniformMapOut)
+    {}
+
+    void visitNamedOpaqueObject(const sh::ShaderVariable &sampler,
+                                const std::string &name,
+                                const std::string &mappedName,
+                                const std::vector<unsigned int> &arraySizes) override
+    {
+        auto uniformMapEntry = mUniformMapOut->find(name);
+        if (uniformMapEntry == mUniformMapOut->end())
+        {
+            (*mUniformMapOut)[name] =
+                new D3DUniform(sampler.type, mRegisterType, name, sampler.arraySizes, true);
+        }
+    }
+
+    void encodeVariable(const sh::ShaderVariable &variable,
+                        const sh::BlockMemberInfo &variableInfo,
+                        const std::string &name,
+                        const std::string &mappedName) override
+    {
+        auto uniformMapEntry   = mUniformMapOut->find(name);
+        D3DUniform *d3dUniform = nullptr;
+
+        if (uniformMapEntry != mUniformMapOut->end())
+        {
+            d3dUniform = uniformMapEntry->second;
+        }
+        else
+        {
+            d3dUniform =
+                new D3DUniform(variable.type, mRegisterType, name, variable.arraySizes, true);
+            (*mUniformMapOut)[name] = d3dUniform;
+        }
+
+        d3dUniform->registerElement = static_cast<unsigned int>(
+            sh::BlockLayoutEncoder::GetBlockRegisterElement(variableInfo));
+        unsigned int reg =
+            static_cast<unsigned int>(sh::BlockLayoutEncoder::GetBlockRegister(variableInfo));
+
+        ASSERT(mShaderType != gl::ShaderType::InvalidEnum);
+        d3dUniform->mShaderRegisterIndexes[mShaderType] = reg;
+    }
+
+  private:
+    gl::ShaderType mShaderType;
+    HLSLRegisterType mRegisterType;
+    D3DUniformMap *mUniformMapOut;
+};
+
+class HLSLBlockLayoutEncoderFactory : public gl::CustomBlockLayoutEncoderFactory
+{
+  public:
+    sh::BlockLayoutEncoder *makeEncoder() override
+    {
+        return new sh::HLSLBlockEncoder(sh::HLSLBlockEncoder::ENCODE_PACKED, false);
+    }
+};
+}  // anonymous namespace
+
+// D3DUniform Implementation
+
+D3DUniform::D3DUniform(GLenum type,
+                       HLSLRegisterType reg,
+                       const std::string &nameIn,
+                       const std::vector<unsigned int> &arraySizesIn,
+                       bool defaultBlock)
+    : typeInfo(gl::GetUniformTypeInfo(type)),
+      name(nameIn),
+      arraySizes(arraySizesIn),
+      mShaderData({}),
+      regType(reg),
+      registerCount(0),
+      registerElement(0)
+{
+    mShaderRegisterIndexes.fill(GL_INVALID_INDEX);
+
+    // We use data storage for default block uniforms to cache values that are sent to D3D during
+    // rendering
+    // Uniform blocks/buffers are treated separately by the Renderer (ES3 path only)
+    if (defaultBlock)
+    {
+        // Use the row count as register count, will work for non-square matrices.
+        registerCount = typeInfo.rowCount * getArraySizeProduct();
+    }
+}
+
+D3DUniform::~D3DUniform() {}
+
+unsigned int D3DUniform::getArraySizeProduct() const
+{
+    return gl::ArraySizeProduct(arraySizes);
+}
+
+const uint8_t *D3DUniform::getDataPtrToElement(size_t elementIndex) const
+{
+    ASSERT((!isArray() && elementIndex == 0) ||
+           (isArray() && elementIndex < getArraySizeProduct()));
+
+    if (isSampler())
+    {
+        return reinterpret_cast<const uint8_t *>(&mSamplerData[elementIndex]);
+    }
+
+    return firstNonNullData() + (elementIndex > 0 ? (typeInfo.internalSize * elementIndex) : 0u);
+}
+
+bool D3DUniform::isSampler() const
+{
+    return typeInfo.isSampler;
+}
+
+bool D3DUniform::isImage() const
+{
+    return typeInfo.isImageType;
+}
+
+bool D3DUniform::isImage2D() const
+{
+    return gl::IsImage2DType(typeInfo.type);
+}
+
+bool D3DUniform::isReferencedByShader(gl::ShaderType shaderType) const
+{
+    return mShaderRegisterIndexes[shaderType] != GL_INVALID_INDEX;
+}
+
+const uint8_t *D3DUniform::firstNonNullData() const
+{
+    if (!mSamplerData.empty())
+    {
+        return reinterpret_cast<const uint8_t *>(mSamplerData.data());
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        if (mShaderData[shaderType])
+        {
+            return mShaderData[shaderType];
+        }
+    }
+
+    UNREACHABLE();
+    return nullptr;
+}
+
+// D3DInterfaceBlock Implementation
+D3DInterfaceBlock::D3DInterfaceBlock()
+{
+    mShaderRegisterIndexes.fill(GL_INVALID_INDEX);
+}
+
+D3DInterfaceBlock::D3DInterfaceBlock(const D3DInterfaceBlock &other) = default;
+
+D3DUniformBlock::D3DUniformBlock()
+{
+    mUseStructuredBuffers.fill(false);
+    mByteWidths.fill(0u);
+    mStructureByteStrides.fill(0u);
+}
+
+D3DUniformBlock::D3DUniformBlock(const D3DUniformBlock &other) = default;
+
+// D3DVarying Implementation
+
+D3DVarying::D3DVarying() : semanticIndex(0), componentCount(0), outputSlot(0) {}
+
+D3DVarying::D3DVarying(const std::string &semanticNameIn,
+                       unsigned int semanticIndexIn,
+                       unsigned int componentCountIn,
+                       unsigned int outputSlotIn)
+    : semanticName(semanticNameIn),
+      semanticIndex(semanticIndexIn),
+      componentCount(componentCountIn),
+      outputSlot(outputSlotIn)
+{}
+
+// ProgramD3DMetadata Implementation
+
+ProgramD3DMetadata::ProgramD3DMetadata(RendererD3D *renderer,
+                                       const gl::ShaderMap<const ShaderD3D *> &attachedShaders,
+                                       EGLenum clientType)
+    : mRendererMajorShaderModel(renderer->getMajorShaderModel()),
+      mShaderModelSuffix(renderer->getShaderModelSuffix()),
+      mUsesInstancedPointSpriteEmulation(
+          renderer->getFeatures().useInstancedPointSpriteEmulation.enabled),
+      mUsesViewScale(renderer->presentPathFastEnabled()),
+      mCanSelectViewInVertexShader(renderer->canSelectViewInVertexShader()),
+      mAttachedShaders(attachedShaders),
+      mClientType(clientType)
+{}
+
+ProgramD3DMetadata::~ProgramD3DMetadata() = default;
+
+int ProgramD3DMetadata::getRendererMajorShaderModel() const
+{
+    return mRendererMajorShaderModel;
+}
+
+bool ProgramD3DMetadata::usesBroadcast(const gl::State &data) const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Fragment];
+    return (shader && shader->usesFragColor() && shader->usesMultipleRenderTargets() &&
+            data.getClientMajorVersion() < 3);
+}
+
+bool ProgramD3DMetadata::usesSecondaryColor() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Fragment];
+    return (shader && shader->usesSecondaryColor());
+}
+
+bool ProgramD3DMetadata::usesFragDepth() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Fragment];
+    return (shader && shader->usesFragDepth());
+}
+
+bool ProgramD3DMetadata::usesPointCoord() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Fragment];
+    return (shader && shader->usesPointCoord());
+}
+
+bool ProgramD3DMetadata::usesFragCoord() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Fragment];
+    return (shader && shader->usesFragCoord());
+}
+
+bool ProgramD3DMetadata::usesPointSize() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Vertex];
+    return (shader && shader->usesPointSize());
+}
+
+bool ProgramD3DMetadata::usesInsertedPointCoordValue() const
+{
+    return (!usesPointSize() || !mUsesInstancedPointSpriteEmulation) && usesPointCoord() &&
+           mRendererMajorShaderModel >= 4;
+}
+
+bool ProgramD3DMetadata::usesViewScale() const
+{
+    return mUsesViewScale;
+}
+
+bool ProgramD3DMetadata::hasANGLEMultiviewEnabled() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Vertex];
+    return (shader && shader->hasANGLEMultiviewEnabled());
+}
+
+bool ProgramD3DMetadata::usesVertexID() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Vertex];
+    return (shader && shader->usesVertexID());
+}
+
+bool ProgramD3DMetadata::usesViewID() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Fragment];
+    return (shader && shader->usesViewID());
+}
+
+bool ProgramD3DMetadata::canSelectViewInVertexShader() const
+{
+    return mCanSelectViewInVertexShader;
+}
+
+bool ProgramD3DMetadata::addsPointCoordToVertexShader() const
+{
+    // PointSprite emulation requiress that gl_PointCoord is present in the vertex shader
+    // VS_OUTPUT structure to ensure compatibility with the generated PS_INPUT of the pixel shader.
+    // Even with a geometry shader, the app can render triangles or lines and reference
+    // gl_PointCoord in the fragment shader, requiring us to provide a placeholder value. For
+    // simplicity, we always add this to the vertex shader when the fragment shader
+    // references gl_PointCoord, even if we could skip it in the geometry shader.
+    return (mUsesInstancedPointSpriteEmulation && usesPointCoord()) ||
+           usesInsertedPointCoordValue();
+}
+
+bool ProgramD3DMetadata::usesTransformFeedbackGLPosition() const
+{
+    // gl_Position only needs to be outputted from the vertex shader if transform feedback is
+    // active. This isn't supported on D3D11 Feature Level 9_3, so we don't output gl_Position from
+    // the vertex shader in this case. This saves us 1 output vector.
+    return !(mRendererMajorShaderModel >= 4 && mShaderModelSuffix != "");
+}
+
+bool ProgramD3DMetadata::usesSystemValuePointSize() const
+{
+    return !mUsesInstancedPointSpriteEmulation && usesPointSize();
+}
+
+bool ProgramD3DMetadata::usesMultipleFragmentOuts() const
+{
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Fragment];
+    return (shader && shader->usesMultipleRenderTargets());
+}
+
+bool ProgramD3DMetadata::usesCustomOutVars() const
+{
+
+    const rx::ShaderD3D *shader = mAttachedShaders[gl::ShaderType::Vertex];
+    int version                 = shader ? shader->getState().getShaderVersion() : -1;
+
+    switch (mClientType)
+    {
+        case EGL_OPENGL_API:
+            return version >= 130;
+        default:
+            return version >= 300;
+    }
+}
+
+const ShaderD3D *ProgramD3DMetadata::getFragmentShader() const
+{
+    return mAttachedShaders[gl::ShaderType::Fragment];
+}
+
+// ProgramD3D::GetExecutableTask class
+class ProgramD3D::GetExecutableTask : public Closure, public d3d::Context
+{
+  public:
+    GetExecutableTask(const gl::Context *context, ProgramD3D *program)
+        : mProgram(program), mContext(context)
+    {}
+
+    virtual angle::Result run() = 0;
+
+    void operator()() override { mResult = run(); }
+
+    angle::Result getResult() const { return mResult; }
+    const gl::InfoLog &getInfoLog() const { return mInfoLog; }
+    ShaderExecutableD3D *getExecutable() { return mExecutable; }
+
+    void handleResult(HRESULT hr,
+                      const char *message,
+                      const char *file,
+                      const char *function,
+                      unsigned int line) override
+    {
+        mStoredHR       = hr;
+        mStoredMessage  = message;
+        mStoredFile     = file;
+        mStoredFunction = function;
+        mStoredLine     = line;
+    }
+
+    void popError(d3d::Context *context)
+    {
+        ASSERT(mStoredFile);
+        ASSERT(mStoredFunction);
+        context->handleResult(mStoredHR, mStoredMessage.c_str(), mStoredFile, mStoredFunction,
+                              mStoredLine);
+    }
+
+  protected:
+    ProgramD3D *mProgram  = nullptr;
+    angle::Result mResult = angle::Result::Continue;
+    gl::InfoLog mInfoLog;
+    ShaderExecutableD3D *mExecutable = nullptr;
+    HRESULT mStoredHR                = S_OK;
+    std::string mStoredMessage;
+    const char *mStoredFile     = nullptr;
+    const char *mStoredFunction = nullptr;
+    unsigned int mStoredLine    = 0;
+    const gl::Context *mContext = nullptr;
+};
+
+// ProgramD3D Implementation
+
+ProgramD3D::VertexExecutable::VertexExecutable(const gl::InputLayout &inputLayout,
+                                               const Signature &signature,
+                                               ShaderExecutableD3D *shaderExecutable)
+    : mInputs(inputLayout), mSignature(signature), mShaderExecutable(shaderExecutable)
+{}
+
+ProgramD3D::VertexExecutable::~VertexExecutable()
+{
+    SafeDelete(mShaderExecutable);
+}
+
+// static
+ProgramD3D::VertexExecutable::HLSLAttribType ProgramD3D::VertexExecutable::GetAttribType(
+    GLenum type)
+{
+    switch (type)
+    {
+        case GL_INT:
+            return HLSLAttribType::SIGNED_INT;
+        case GL_UNSIGNED_INT:
+            return HLSLAttribType::UNSIGNED_INT;
+        case GL_SIGNED_NORMALIZED:
+        case GL_UNSIGNED_NORMALIZED:
+        case GL_FLOAT:
+            return HLSLAttribType::FLOAT;
+        default:
+            UNREACHABLE();
+            return HLSLAttribType::FLOAT;
+    }
+}
+
+// static
+void ProgramD3D::VertexExecutable::getSignature(RendererD3D *renderer,
+                                                const gl::InputLayout &inputLayout,
+                                                Signature *signatureOut)
+{
+    signatureOut->assign(inputLayout.size(), HLSLAttribType::FLOAT);
+
+    for (size_t index = 0; index < inputLayout.size(); ++index)
+    {
+        angle::FormatID vertexFormatID = inputLayout[index];
+        if (vertexFormatID == angle::FormatID::NONE)
+            continue;
+
+        VertexConversionType conversionType = renderer->getVertexConversionType(vertexFormatID);
+        if ((conversionType & VERTEX_CONVERT_GPU) == 0)
+            continue;
+
+        GLenum componentType   = renderer->getVertexComponentType(vertexFormatID);
+        (*signatureOut)[index] = GetAttribType(componentType);
+    }
+}
+
+bool ProgramD3D::VertexExecutable::matchesSignature(const Signature &signature) const
+{
+    size_t limit = std::max(mSignature.size(), signature.size());
+    for (size_t index = 0; index < limit; ++index)
+    {
+        // treat undefined indexes as FLOAT
+        auto a = index < signature.size() ? signature[index] : HLSLAttribType::FLOAT;
+        auto b = index < mSignature.size() ? mSignature[index] : HLSLAttribType::FLOAT;
+        if (a != b)
+            return false;
+    }
+
+    return true;
+}
+
+ProgramD3D::PixelExecutable::PixelExecutable(const std::vector<GLenum> &outputSignature,
+                                             ShaderExecutableD3D *shaderExecutable)
+    : mOutputSignature(outputSignature), mShaderExecutable(shaderExecutable)
+{}
+
+ProgramD3D::PixelExecutable::~PixelExecutable()
+{
+    SafeDelete(mShaderExecutable);
+}
+
+ProgramD3D::ComputeExecutable::ComputeExecutable(
+    const gl::ImageUnitTextureTypeMap &signature,
+    std::unique_ptr<ShaderExecutableD3D> shaderExecutable)
+    : mSignature(signature), mShaderExecutable(std::move(shaderExecutable))
+{}
+
+ProgramD3D::ComputeExecutable::~ComputeExecutable() {}
+
+ProgramD3D::Sampler::Sampler()
+    : active(false), logicalTextureUnit(0), textureType(gl::TextureType::_2D)
+{}
+
+ProgramD3D::Image::Image() : active(false), logicalImageUnit(0) {}
+
+unsigned int ProgramD3D::mCurrentSerial = 1;
+
+ProgramD3D::ProgramD3D(const gl::ProgramState &state, RendererD3D *renderer)
+    : ProgramImpl(state),
+      mRenderer(renderer),
+      mDynamicHLSL(nullptr),
+      mUsesPointSize(false),
+      mUsesFlatInterpolation(false),
+      mUsedShaderSamplerRanges({}),
+      mDirtySamplerMapping(true),
+      mUsedImageRange({}),
+      mUsedReadonlyImageRange({}),
+      mUsedAtomicCounterRange({}),
+      mSerial(issueSerial())
+{
+    mDynamicHLSL = new DynamicHLSL(renderer);
+}
+
+ProgramD3D::~ProgramD3D()
+{
+    reset();
+    SafeDelete(mDynamicHLSL);
+}
+
+bool ProgramD3D::usesPointSpriteEmulation() const
+{
+    return mUsesPointSize && mRenderer->getMajorShaderModel() >= 4;
+}
+
+bool ProgramD3D::usesGeometryShaderForPointSpriteEmulation() const
+{
+    return usesPointSpriteEmulation() && !usesInstancedPointSpriteEmulation();
+}
+
+bool ProgramD3D::usesGetDimensionsIgnoresBaseLevel() const
+{
+    return mRenderer->getFeatures().getDimensionsIgnoresBaseLevel.enabled;
+}
+
+bool ProgramD3D::usesGeometryShader(const gl::State &state, const gl::PrimitiveMode drawMode) const
+{
+    if (mHasANGLEMultiviewEnabled && !mRenderer->canSelectViewInVertexShader())
+    {
+        return true;
+    }
+    if (drawMode != gl::PrimitiveMode::Points)
+    {
+        if (!mUsesFlatInterpolation)
+        {
+            return false;
+        }
+        return state.getProvokingVertex() == gl::ProvokingVertexConvention::LastVertexConvention;
+    }
+    return usesGeometryShaderForPointSpriteEmulation();
+}
+
+bool ProgramD3D::usesInstancedPointSpriteEmulation() const
+{
+    return mRenderer->getFeatures().useInstancedPointSpriteEmulation.enabled;
+}
+
+GLint ProgramD3D::getSamplerMapping(gl::ShaderType type,
+                                    unsigned int samplerIndex,
+                                    const gl::Caps &caps) const
+{
+    GLint logicalTextureUnit = -1;
+
+    ASSERT(type != gl::ShaderType::InvalidEnum);
+
+    ASSERT(samplerIndex < static_cast<unsigned int>(caps.maxShaderTextureImageUnits[type]));
+
+    const auto &samplers = mShaderSamplers[type];
+    if (samplerIndex < samplers.size() && samplers[samplerIndex].active)
+    {
+        logicalTextureUnit = samplers[samplerIndex].logicalTextureUnit;
+    }
+
+    if (logicalTextureUnit >= 0 && logicalTextureUnit < caps.maxCombinedTextureImageUnits)
+    {
+        return logicalTextureUnit;
+    }
+
+    return -1;
+}
+
+// Returns the texture type for a given Direct3D 9 sampler type and
+// index (0-15 for the pixel shader and 0-3 for the vertex shader).
+gl::TextureType ProgramD3D::getSamplerTextureType(gl::ShaderType type,
+                                                  unsigned int samplerIndex) const
+{
+    ASSERT(type != gl::ShaderType::InvalidEnum);
+
+    const auto &samplers = mShaderSamplers[type];
+    ASSERT(samplerIndex < samplers.size());
+    ASSERT(samplers[samplerIndex].active);
+
+    return samplers[samplerIndex].textureType;
+}
+
+gl::RangeUI ProgramD3D::getUsedSamplerRange(gl::ShaderType type) const
+{
+    ASSERT(type != gl::ShaderType::InvalidEnum);
+    return mUsedShaderSamplerRanges[type];
+}
+
+ProgramD3D::SamplerMapping ProgramD3D::updateSamplerMapping()
+{
+    if (!mDirtySamplerMapping)
+    {
+        return SamplerMapping::WasClean;
+    }
+
+    mDirtySamplerMapping = false;
+
+    // Retrieve sampler uniform values
+    for (const D3DUniform *d3dUniform : mD3DUniforms)
+    {
+        if (!d3dUniform->isSampler())
+            continue;
+
+        int count = d3dUniform->getArraySizeProduct();
+
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            if (!d3dUniform->isReferencedByShader(shaderType))
+            {
+                continue;
+            }
+
+            unsigned int firstIndex = d3dUniform->mShaderRegisterIndexes[shaderType];
+
+            std::vector<Sampler> &samplers = mShaderSamplers[shaderType];
+            for (int i = 0; i < count; i++)
+            {
+                unsigned int samplerIndex = firstIndex + i;
+
+                if (samplerIndex < samplers.size())
+                {
+                    ASSERT(samplers[samplerIndex].active);
+                    samplers[samplerIndex].logicalTextureUnit = d3dUniform->mSamplerData[i];
+                }
+            }
+        }
+    }
+
+    return SamplerMapping::WasDirty;
+}
+
+GLint ProgramD3D::getImageMapping(gl::ShaderType type,
+                                  unsigned int imageIndex,
+                                  bool readonly,
+                                  const gl::Caps &caps) const
+{
+    GLint logicalImageUnit = -1;
+    ASSERT(imageIndex < static_cast<unsigned int>(caps.maxImageUnits));
+    if (readonly && imageIndex < mReadonlyImages[type].size() &&
+        mReadonlyImages[type][imageIndex].active)
+    {
+        logicalImageUnit = mReadonlyImages[type][imageIndex].logicalImageUnit;
+    }
+    else if (imageIndex < mImages[type].size() && mImages[type][imageIndex].active)
+    {
+        logicalImageUnit = mImages[type][imageIndex].logicalImageUnit;
+    }
+
+    if (logicalImageUnit >= 0 && logicalImageUnit < caps.maxImageUnits)
+    {
+        return logicalImageUnit;
+    }
+
+    return -1;
+}
+
+gl::RangeUI ProgramD3D::getUsedImageRange(gl::ShaderType type, bool readonly) const
+{
+    return readonly ? mUsedReadonlyImageRange[type] : mUsedImageRange[type];
+}
+
+class ProgramD3D::LoadBinaryTask : public ProgramD3D::GetExecutableTask
+{
+  public:
+    LoadBinaryTask(const gl::Context *context,
+                   ProgramD3D *program,
+                   gl::BinaryInputStream *stream,
+                   gl::InfoLog &infoLog)
+        : ProgramD3D::GetExecutableTask(context, program)
+    {
+        ASSERT(mProgram);
+        ASSERT(stream);
+
+        // Copy the remaining data from the stream locally so that the client can't modify it when
+        // loading off thread.
+        size_t dataSize    = stream->remainingSize();
+        mDataCopySucceeded = mStreamData.resize(dataSize);
+        if (mDataCopySucceeded)
+        {
+            memcpy(mStreamData.data(), stream->data() + stream->offset(), dataSize);
+        }
+    }
+
+    angle::Result run() override
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::LoadBinaryTask::run");
+        if (!mDataCopySucceeded)
+        {
+            mInfoLog << "Failed to copy program binary data to local buffer.";
+            return angle::Result::Incomplete;
+        }
+
+        gl::BinaryInputStream stream(mStreamData.data(), mStreamData.size());
+        return mProgram->loadBinaryShaderExecutables(this, &stream, mInfoLog);
+    }
+
+  private:
+    bool mDataCopySucceeded;
+    angle::MemoryBuffer mStreamData;
+};
+
+class ProgramD3D::LoadBinaryLinkEvent final : public LinkEvent
+{
+  public:
+    LoadBinaryLinkEvent(const gl::Context *context,
+                        std::shared_ptr<WorkerThreadPool> workerPool,
+                        ProgramD3D *program,
+                        gl::BinaryInputStream *stream,
+                        gl::InfoLog &infoLog)
+        : mTask(std::make_shared<ProgramD3D::LoadBinaryTask>(context, program, stream, infoLog)),
+          mWaitableEvent(angle::WorkerThreadPool::PostWorkerTask(workerPool, mTask))
+    {}
+
+    angle::Result wait(const gl::Context *context) override
+    {
+        mWaitableEvent->wait();
+
+        // Continue and Incomplete are not errors. For Stop, pass the error to the ContextD3D.
+        if (mTask->getResult() != angle::Result::Stop)
+        {
+            return angle::Result::Continue;
+        }
+
+        ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+        mTask->popError(contextD3D);
+        return angle::Result::Stop;
+    }
+
+    bool isLinking() override { return !mWaitableEvent->isReady(); }
+
+  private:
+    std::shared_ptr<ProgramD3D::LoadBinaryTask> mTask;
+    std::shared_ptr<WaitableEvent> mWaitableEvent;
+};
+
+std::unique_ptr<rx::LinkEvent> ProgramD3D::load(const gl::Context *context,
+                                                gl::BinaryInputStream *stream,
+                                                gl::InfoLog &infoLog)
+{
+
+    // TODO(jmadill): Use Renderer from contextImpl.
+
+    reset();
+
+    DeviceIdentifier binaryDeviceIdentifier = {};
+    stream->readBytes(reinterpret_cast<unsigned char *>(&binaryDeviceIdentifier),
+                      sizeof(DeviceIdentifier));
+
+    DeviceIdentifier identifier = mRenderer->getAdapterIdentifier();
+    if (memcmp(&identifier, &binaryDeviceIdentifier, sizeof(DeviceIdentifier)) != 0)
+    {
+        infoLog << "Invalid program binary, device configuration has changed.";
+        return nullptr;
+    }
+
+    int compileFlags = stream->readInt<int>();
+    if (compileFlags != ANGLE_COMPILE_OPTIMIZATION_LEVEL)
+    {
+        infoLog << "Mismatched compilation flags.";
+        return nullptr;
+    }
+
+    for (int &index : mAttribLocationToD3DSemantic)
+    {
+        stream->readInt(&index);
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        size_t samplerCount = stream->readInt<size_t>();
+        for (size_t sampleIndex = 0; sampleIndex < samplerCount; ++sampleIndex)
+        {
+            Sampler sampler;
+            stream->readBool(&sampler.active);
+            stream->readInt(&sampler.logicalTextureUnit);
+            stream->readEnum(&sampler.textureType);
+            mShaderSamplers[shaderType].push_back(sampler);
+        }
+
+        unsigned int samplerRangeLow, samplerRangeHigh;
+        stream->readInt(&samplerRangeLow);
+        stream->readInt(&samplerRangeHigh);
+        mUsedShaderSamplerRanges[shaderType] = gl::RangeUI(samplerRangeLow, samplerRangeHigh);
+    }
+
+    for (gl::ShaderType shaderType : {gl::ShaderType::Compute, gl::ShaderType::Fragment})
+    {
+        size_t imageCount = stream->readInt<size_t>();
+        for (size_t imageIndex = 0; imageIndex < imageCount; ++imageIndex)
+        {
+            Image image;
+            stream->readBool(&image.active);
+            stream->readInt(&image.logicalImageUnit);
+            mImages[shaderType].push_back(image);
+        }
+
+        size_t readonlyImageCount = stream->readInt<size_t>();
+        for (size_t imageIndex = 0; imageIndex < readonlyImageCount; ++imageIndex)
+        {
+            Image image;
+            stream->readBool(&image.active);
+            stream->readInt(&image.logicalImageUnit);
+            mReadonlyImages[shaderType].push_back(image);
+        }
+
+        unsigned int imageRangeLow, imageRangeHigh, readonlyImageRangeLow, readonlyImageRangeHigh;
+        stream->readInt(&imageRangeLow);
+        stream->readInt(&imageRangeHigh);
+        stream->readInt(&readonlyImageRangeLow);
+        stream->readInt(&readonlyImageRangeHigh);
+        mUsedImageRange[shaderType] = gl::RangeUI(imageRangeLow, imageRangeHigh);
+        mUsedReadonlyImageRange[shaderType] =
+            gl::RangeUI(readonlyImageRangeLow, readonlyImageRangeHigh);
+
+        unsigned int atomicCounterRangeLow, atomicCounterRangeHigh;
+        stream->readInt(&atomicCounterRangeLow);
+        stream->readInt(&atomicCounterRangeHigh);
+        mUsedAtomicCounterRange[shaderType] =
+            gl::RangeUI(atomicCounterRangeLow, atomicCounterRangeHigh);
+    }
+
+    size_t shaderStorageBlockCount = stream->readInt<size_t>();
+    if (stream->error())
+    {
+        infoLog << "Invalid program binary.";
+        return nullptr;
+    }
+
+    ASSERT(mD3DShaderStorageBlocks.empty());
+    for (size_t blockIndex = 0; blockIndex < shaderStorageBlockCount; ++blockIndex)
+    {
+        D3DInterfaceBlock shaderStorageBlock;
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            stream->readInt(&shaderStorageBlock.mShaderRegisterIndexes[shaderType]);
+        }
+        mD3DShaderStorageBlocks.push_back(shaderStorageBlock);
+    }
+
+    for (gl::ShaderType shaderType : {gl::ShaderType::Compute, gl::ShaderType::Fragment})
+    {
+        size_t image2DUniformCount = stream->readInt<size_t>();
+        if (stream->error())
+        {
+            infoLog << "Invalid program binary.";
+            return nullptr;
+        }
+
+        ASSERT(mImage2DUniforms[shaderType].empty());
+        for (size_t image2DUniformIndex = 0; image2DUniformIndex < image2DUniformCount;
+             ++image2DUniformIndex)
+        {
+            sh::ShaderVariable image2Duniform;
+            gl::LoadShaderVar(stream, &image2Duniform);
+            mImage2DUniforms[shaderType].push_back(image2Duniform);
+        }
+    }
+
+    for (unsigned int ii = 0; ii < gl::IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS; ++ii)
+    {
+        unsigned int index                             = stream->readInt<unsigned int>();
+        mComputeAtomicCounterBufferRegisterIndices[ii] = index;
+    }
+
+    size_t uniformCount = stream->readInt<size_t>();
+    if (stream->error())
+    {
+        infoLog << "Invalid program binary.";
+        return nullptr;
+    }
+
+    const auto &linkedUniforms = mState.getUniforms();
+    ASSERT(mD3DUniforms.empty());
+    for (size_t uniformIndex = 0; uniformIndex < uniformCount; uniformIndex++)
+    {
+        const gl::LinkedUniform &linkedUniform = linkedUniforms[uniformIndex];
+
+        D3DUniform *d3dUniform =
+            new D3DUniform(linkedUniform.type, HLSLRegisterType::None, linkedUniform.name,
+                           linkedUniform.arraySizes, linkedUniform.isInDefaultBlock());
+        stream->readEnum(&d3dUniform->regType);
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            stream->readInt(&d3dUniform->mShaderRegisterIndexes[shaderType]);
+        }
+        stream->readInt(&d3dUniform->registerCount);
+        stream->readInt(&d3dUniform->registerElement);
+
+        mD3DUniforms.push_back(d3dUniform);
+    }
+
+    size_t blockCount = stream->readInt<size_t>();
+    if (stream->error())
+    {
+        infoLog << "Invalid program binary.";
+        return nullptr;
+    }
+
+    ASSERT(mD3DUniformBlocks.empty());
+    for (size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex)
+    {
+        D3DUniformBlock uniformBlock;
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            stream->readInt(&uniformBlock.mShaderRegisterIndexes[shaderType]);
+            stream->readBool(&uniformBlock.mUseStructuredBuffers[shaderType]);
+            stream->readInt(&uniformBlock.mByteWidths[shaderType]);
+            stream->readInt(&uniformBlock.mStructureByteStrides[shaderType]);
+        }
+        mD3DUniformBlocks.push_back(uniformBlock);
+    }
+
+    size_t streamOutVaryingCount = stream->readInt<size_t>();
+    mStreamOutVaryings.resize(streamOutVaryingCount);
+    for (size_t varyingIndex = 0; varyingIndex < streamOutVaryingCount; ++varyingIndex)
+    {
+        D3DVarying *varying = &mStreamOutVaryings[varyingIndex];
+
+        stream->readString(&varying->semanticName);
+        stream->readInt(&varying->semanticIndex);
+        stream->readInt(&varying->componentCount);
+        stream->readInt(&varying->outputSlot);
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        stream->readString(&mShaderHLSL[shaderType]);
+        stream->readBytes(reinterpret_cast<unsigned char *>(&mShaderWorkarounds[shaderType]),
+                          sizeof(CompilerWorkaroundsD3D));
+    }
+
+    stream->readBool(&mUsesFragDepth);
+    stream->readBool(&mHasANGLEMultiviewEnabled);
+    stream->readBool(&mUsesVertexID);
+    stream->readBool(&mUsesViewID);
+    stream->readBool(&mUsesPointSize);
+    stream->readBool(&mUsesFlatInterpolation);
+
+    const size_t pixelShaderKeySize = stream->readInt<size_t>();
+    mPixelShaderKey.resize(pixelShaderKeySize);
+    for (size_t pixelShaderKeyIndex = 0; pixelShaderKeyIndex < pixelShaderKeySize;
+         pixelShaderKeyIndex++)
+    {
+        stream->readInt(&mPixelShaderKey[pixelShaderKeyIndex].type);
+        stream->readString(&mPixelShaderKey[pixelShaderKeyIndex].name);
+        stream->readString(&mPixelShaderKey[pixelShaderKeyIndex].source);
+        stream->readInt(&mPixelShaderKey[pixelShaderKeyIndex].outputLocation);
+        stream->readInt(&mPixelShaderKey[pixelShaderKeyIndex].outputIndex);
+    }
+
+    stream->readString(&mGeometryShaderPreamble);
+
+    return std::make_unique<LoadBinaryLinkEvent>(context, context->getWorkerThreadPool(), this,
+                                                 stream, infoLog);
+}
+
+angle::Result ProgramD3D::loadBinaryShaderExecutables(d3d::Context *contextD3D,
+                                                      gl::BinaryInputStream *stream,
+                                                      gl::InfoLog &infoLog)
+{
+    const unsigned char *binary = reinterpret_cast<const unsigned char *>(stream->data());
+
+    bool separateAttribs = (mState.getTransformFeedbackBufferMode() == GL_SEPARATE_ATTRIBS);
+
+    size_t vertexShaderCount = stream->readInt<size_t>();
+    for (size_t vertexShaderIndex = 0; vertexShaderIndex < vertexShaderCount; vertexShaderIndex++)
+    {
+        size_t inputLayoutSize = stream->readInt<size_t>();
+        gl::InputLayout inputLayout(inputLayoutSize, angle::FormatID::NONE);
+
+        for (size_t inputIndex = 0; inputIndex < inputLayoutSize; inputIndex++)
+        {
+            inputLayout[inputIndex] = stream->readEnum<angle::FormatID>();
+        }
+
+        size_t vertexShaderSize                   = stream->readInt<size_t>();
+        const unsigned char *vertexShaderFunction = binary + stream->offset();
+
+        ShaderExecutableD3D *shaderExecutable = nullptr;
+
+        ANGLE_TRY(mRenderer->loadExecutable(contextD3D, vertexShaderFunction, vertexShaderSize,
+                                            gl::ShaderType::Vertex, mStreamOutVaryings,
+                                            separateAttribs, &shaderExecutable));
+
+        if (!shaderExecutable)
+        {
+            infoLog << "Could not create vertex shader.";
+            return angle::Result::Incomplete;
+        }
+
+        // generated converted input layout
+        VertexExecutable::Signature signature;
+        VertexExecutable::getSignature(mRenderer, inputLayout, &signature);
+
+        // add new binary
+        mVertexExecutables.push_back(std::unique_ptr<VertexExecutable>(
+            new VertexExecutable(inputLayout, signature, shaderExecutable)));
+
+        stream->skip(vertexShaderSize);
+    }
+
+    size_t pixelShaderCount = stream->readInt<size_t>();
+    for (size_t pixelShaderIndex = 0; pixelShaderIndex < pixelShaderCount; pixelShaderIndex++)
+    {
+        size_t outputCount = stream->readInt<size_t>();
+        std::vector<GLenum> outputs(outputCount);
+        for (size_t outputIndex = 0; outputIndex < outputCount; outputIndex++)
+        {
+            stream->readInt(&outputs[outputIndex]);
+        }
+
+        size_t pixelShaderSize                   = stream->readInt<size_t>();
+        const unsigned char *pixelShaderFunction = binary + stream->offset();
+        ShaderExecutableD3D *shaderExecutable    = nullptr;
+
+        ANGLE_TRY(mRenderer->loadExecutable(contextD3D, pixelShaderFunction, pixelShaderSize,
+                                            gl::ShaderType::Fragment, mStreamOutVaryings,
+                                            separateAttribs, &shaderExecutable));
+
+        if (!shaderExecutable)
+        {
+            infoLog << "Could not create pixel shader.";
+            return angle::Result::Incomplete;
+        }
+
+        // add new binary
+        mPixelExecutables.push_back(
+            std::unique_ptr<PixelExecutable>(new PixelExecutable(outputs, shaderExecutable)));
+
+        stream->skip(pixelShaderSize);
+    }
+
+    for (std::unique_ptr<ShaderExecutableD3D> &geometryExe : mGeometryExecutables)
+    {
+        size_t geometryShaderSize = stream->readInt<size_t>();
+        if (geometryShaderSize == 0)
+        {
+            continue;
+        }
+
+        const unsigned char *geometryShaderFunction = binary + stream->offset();
+
+        ShaderExecutableD3D *geometryExecutable = nullptr;
+        ANGLE_TRY(mRenderer->loadExecutable(contextD3D, geometryShaderFunction, geometryShaderSize,
+                                            gl::ShaderType::Geometry, mStreamOutVaryings,
+                                            separateAttribs, &geometryExecutable));
+
+        if (!geometryExecutable)
+        {
+            infoLog << "Could not create geometry shader.";
+            return angle::Result::Incomplete;
+        }
+
+        geometryExe.reset(geometryExecutable);
+
+        stream->skip(geometryShaderSize);
+    }
+
+    size_t computeShaderCount = stream->readInt<size_t>();
+    for (size_t computeShaderIndex = 0; computeShaderIndex < computeShaderCount;
+         computeShaderIndex++)
+    {
+        size_t signatureCount = stream->readInt<size_t>();
+        gl::ImageUnitTextureTypeMap signatures;
+        for (size_t signatureIndex = 0; signatureIndex < signatureCount; signatureIndex++)
+        {
+            unsigned int imageUint;
+            gl::TextureType textureType;
+            stream->readInt(&imageUint);
+            stream->readEnum(&textureType);
+            signatures.insert(std::pair<unsigned int, gl::TextureType>(imageUint, textureType));
+        }
+
+        size_t computeShaderSize                   = stream->readInt<size_t>();
+        const unsigned char *computeShaderFunction = binary + stream->offset();
+
+        ShaderExecutableD3D *computeExecutable = nullptr;
+        ANGLE_TRY(mRenderer->loadExecutable(contextD3D, computeShaderFunction, computeShaderSize,
+                                            gl::ShaderType::Compute, std::vector<D3DVarying>(),
+                                            false, &computeExecutable));
+
+        if (!computeExecutable)
+        {
+            infoLog << "Could not create compute shader.";
+            return angle::Result::Incomplete;
+        }
+
+        // add new binary
+        mComputeExecutables.push_back(std::unique_ptr<ComputeExecutable>(new ComputeExecutable(
+            signatures, std::unique_ptr<ShaderExecutableD3D>(computeExecutable))));
+
+        stream->skip(computeShaderSize);
+    }
+
+    size_t bindLayoutCount = stream->readInt<size_t>();
+    for (size_t bindLayoutIndex = 0; bindLayoutIndex < bindLayoutCount; bindLayoutIndex++)
+    {
+        mImage2DBindLayoutCache[gl::ShaderType::Compute].insert(
+            std::pair<unsigned int, gl::TextureType>(stream->readInt<unsigned int>(),
+                                                     gl::TextureType::_2D));
+    }
+
+    initializeUniformStorage(mState.getExecutable().getLinkedShaderStages());
+
+    dirtyAllUniforms();
+
+    return angle::Result::Continue;
+}
+
+void ProgramD3D::save(const gl::Context *context, gl::BinaryOutputStream *stream)
+{
+    // Output the DeviceIdentifier before we output any shader code
+    // When we load the binary again later, we can validate the device identifier before trying to
+    // compile any HLSL
+    DeviceIdentifier binaryIdentifier = mRenderer->getAdapterIdentifier();
+    stream->writeBytes(reinterpret_cast<unsigned char *>(&binaryIdentifier),
+                       sizeof(DeviceIdentifier));
+
+    stream->writeInt(ANGLE_COMPILE_OPTIMIZATION_LEVEL);
+
+    for (int d3dSemantic : mAttribLocationToD3DSemantic)
+    {
+        stream->writeInt(d3dSemantic);
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        stream->writeInt(mShaderSamplers[shaderType].size());
+        for (unsigned int i = 0; i < mShaderSamplers[shaderType].size(); ++i)
+        {
+            stream->writeBool(mShaderSamplers[shaderType][i].active);
+            stream->writeInt(mShaderSamplers[shaderType][i].logicalTextureUnit);
+            stream->writeEnum(mShaderSamplers[shaderType][i].textureType);
+        }
+
+        stream->writeInt(mUsedShaderSamplerRanges[shaderType].low());
+        stream->writeInt(mUsedShaderSamplerRanges[shaderType].high());
+    }
+
+    for (gl::ShaderType shaderType : {gl::ShaderType::Compute, gl::ShaderType::Fragment})
+    {
+        stream->writeInt(mImages[shaderType].size());
+        for (size_t imageIndex = 0; imageIndex < mImages[shaderType].size(); ++imageIndex)
+        {
+            stream->writeBool(mImages[shaderType][imageIndex].active);
+            stream->writeInt(mImages[shaderType][imageIndex].logicalImageUnit);
+        }
+
+        stream->writeInt(mReadonlyImages[shaderType].size());
+        for (size_t imageIndex = 0; imageIndex < mReadonlyImages[shaderType].size(); ++imageIndex)
+        {
+            stream->writeBool(mReadonlyImages[shaderType][imageIndex].active);
+            stream->writeInt(mReadonlyImages[shaderType][imageIndex].logicalImageUnit);
+        }
+
+        stream->writeInt(mUsedImageRange[shaderType].low());
+        stream->writeInt(mUsedImageRange[shaderType].high());
+        stream->writeInt(mUsedReadonlyImageRange[shaderType].low());
+        stream->writeInt(mUsedReadonlyImageRange[shaderType].high());
+        stream->writeInt(mUsedAtomicCounterRange[shaderType].low());
+        stream->writeInt(mUsedAtomicCounterRange[shaderType].high());
+    }
+
+    stream->writeInt(mD3DShaderStorageBlocks.size());
+    for (const D3DInterfaceBlock &shaderStorageBlock : mD3DShaderStorageBlocks)
+    {
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            stream->writeIntOrNegOne(shaderStorageBlock.mShaderRegisterIndexes[shaderType]);
+        }
+    }
+
+    for (gl::ShaderType shaderType : {gl::ShaderType::Compute, gl::ShaderType::Fragment})
+    {
+        stream->writeInt(mImage2DUniforms[shaderType].size());
+        for (const sh::ShaderVariable &image2DUniform : mImage2DUniforms[shaderType])
+        {
+            gl::WriteShaderVar(stream, image2DUniform);
+        }
+    }
+
+    for (unsigned int ii = 0; ii < gl::IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS; ++ii)
+    {
+        stream->writeInt(mComputeAtomicCounterBufferRegisterIndices[ii]);
+    }
+
+    stream->writeInt(mD3DUniforms.size());
+    for (const D3DUniform *uniform : mD3DUniforms)
+    {
+        // Type, name and arraySize are redundant, so aren't stored in the binary.
+        stream->writeEnum(uniform->regType);
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            stream->writeIntOrNegOne(uniform->mShaderRegisterIndexes[shaderType]);
+        }
+        stream->writeInt(uniform->registerCount);
+        stream->writeInt(uniform->registerElement);
+    }
+
+    stream->writeInt(mD3DUniformBlocks.size());
+    for (const D3DUniformBlock &uniformBlock : mD3DUniformBlocks)
+    {
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            stream->writeIntOrNegOne(uniformBlock.mShaderRegisterIndexes[shaderType]);
+            stream->writeBool(uniformBlock.mUseStructuredBuffers[shaderType]);
+            stream->writeInt(uniformBlock.mByteWidths[shaderType]);
+            stream->writeInt(uniformBlock.mStructureByteStrides[shaderType]);
+        }
+    }
+
+    stream->writeInt(mStreamOutVaryings.size());
+    for (const D3DVarying &varying : mStreamOutVaryings)
+    {
+        stream->writeString(varying.semanticName);
+        stream->writeInt(varying.semanticIndex);
+        stream->writeInt(varying.componentCount);
+        stream->writeInt(varying.outputSlot);
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        stream->writeString(mShaderHLSL[shaderType]);
+        stream->writeBytes(reinterpret_cast<unsigned char *>(&mShaderWorkarounds[shaderType]),
+                           sizeof(CompilerWorkaroundsD3D));
+    }
+
+    stream->writeBool(mUsesFragDepth);
+    stream->writeBool(mHasANGLEMultiviewEnabled);
+    stream->writeBool(mUsesVertexID);
+    stream->writeBool(mUsesViewID);
+    stream->writeBool(mUsesPointSize);
+    stream->writeBool(mUsesFlatInterpolation);
+
+    const std::vector<PixelShaderOutputVariable> &pixelShaderKey = mPixelShaderKey;
+    stream->writeInt(pixelShaderKey.size());
+    for (size_t pixelShaderKeyIndex = 0; pixelShaderKeyIndex < pixelShaderKey.size();
+         pixelShaderKeyIndex++)
+    {
+        const PixelShaderOutputVariable &variable = pixelShaderKey[pixelShaderKeyIndex];
+        stream->writeInt(variable.type);
+        stream->writeString(variable.name);
+        stream->writeString(variable.source);
+        stream->writeInt(variable.outputLocation);
+        stream->writeInt(variable.outputIndex);
+    }
+
+    stream->writeString(mGeometryShaderPreamble);
+
+    stream->writeInt(mVertexExecutables.size());
+    for (size_t vertexExecutableIndex = 0; vertexExecutableIndex < mVertexExecutables.size();
+         vertexExecutableIndex++)
+    {
+        VertexExecutable *vertexExecutable = mVertexExecutables[vertexExecutableIndex].get();
+
+        const gl::InputLayout &inputLayout = vertexExecutable->inputs();
+        stream->writeInt(inputLayout.size());
+
+        for (size_t inputIndex = 0; inputIndex < inputLayout.size(); inputIndex++)
+        {
+            stream->writeEnum(inputLayout[inputIndex]);
+        }
+
+        size_t vertexShaderSize = vertexExecutable->shaderExecutable()->getLength();
+        stream->writeInt(vertexShaderSize);
+
+        const uint8_t *vertexBlob = vertexExecutable->shaderExecutable()->getFunction();
+        stream->writeBytes(vertexBlob, vertexShaderSize);
+    }
+
+    stream->writeInt(mPixelExecutables.size());
+    for (size_t pixelExecutableIndex = 0; pixelExecutableIndex < mPixelExecutables.size();
+         pixelExecutableIndex++)
+    {
+        PixelExecutable *pixelExecutable = mPixelExecutables[pixelExecutableIndex].get();
+
+        const std::vector<GLenum> &outputs = pixelExecutable->outputSignature();
+        stream->writeInt(outputs.size());
+        for (size_t outputIndex = 0; outputIndex < outputs.size(); outputIndex++)
+        {
+            stream->writeInt(outputs[outputIndex]);
+        }
+
+        size_t pixelShaderSize = pixelExecutable->shaderExecutable()->getLength();
+        stream->writeInt(pixelShaderSize);
+
+        const uint8_t *pixelBlob = pixelExecutable->shaderExecutable()->getFunction();
+        stream->writeBytes(pixelBlob, pixelShaderSize);
+    }
+
+    for (auto const &geometryExecutable : mGeometryExecutables)
+    {
+        if (!geometryExecutable)
+        {
+            stream->writeInt<size_t>(0);
+            continue;
+        }
+
+        size_t geometryShaderSize = geometryExecutable->getLength();
+        stream->writeInt(geometryShaderSize);
+        stream->writeBytes(geometryExecutable->getFunction(), geometryShaderSize);
+    }
+
+    stream->writeInt(mComputeExecutables.size());
+    for (size_t computeExecutableIndex = 0; computeExecutableIndex < mComputeExecutables.size();
+         computeExecutableIndex++)
+    {
+        ComputeExecutable *computeExecutable = mComputeExecutables[computeExecutableIndex].get();
+
+        const gl::ImageUnitTextureTypeMap signatures = computeExecutable->signature();
+        stream->writeInt(signatures.size());
+        for (const auto &signature : signatures)
+        {
+            stream->writeInt(signature.first);
+            stream->writeEnum(signature.second);
+        }
+
+        size_t computeShaderSize = computeExecutable->shaderExecutable()->getLength();
+        stream->writeInt(computeShaderSize);
+
+        const uint8_t *computeBlob = computeExecutable->shaderExecutable()->getFunction();
+        stream->writeBytes(computeBlob, computeShaderSize);
+    }
+
+    for (gl::ShaderType shaderType : {gl::ShaderType::Compute})
+    {
+        stream->writeInt(mImage2DBindLayoutCache[shaderType].size());
+        for (auto &image2DBindLayout : mImage2DBindLayoutCache[shaderType])
+        {
+            stream->writeInt(image2DBindLayout.first);
+        }
+    }
+}
+
+void ProgramD3D::setBinaryRetrievableHint(bool /* retrievable */) {}
+
+void ProgramD3D::setSeparable(bool /* separable */) {}
+
+angle::Result ProgramD3D::getPixelExecutableForCachedOutputLayout(
+    d3d::Context *context,
+    ShaderExecutableD3D **outExecutable,
+    gl::InfoLog *infoLog)
+{
+    if (mCachedPixelExecutableIndex.valid())
+    {
+        *outExecutable = mPixelExecutables[mCachedPixelExecutableIndex.value()]->shaderExecutable();
+        return angle::Result::Continue;
+    }
+
+    std::string pixelHLSL = mDynamicHLSL->generatePixelShaderForOutputSignature(
+        mShaderHLSL[gl::ShaderType::Fragment], mPixelShaderKey, mUsesFragDepth,
+        mPixelShaderOutputLayoutCache, mShaderStorageBlocks[gl::ShaderType::Fragment],
+        mPixelShaderKey.size());
+
+    std::string finalPixelHLSL = mDynamicHLSL->generateShaderForImage2DBindSignature(
+        *this, mState, gl::ShaderType::Fragment, pixelHLSL,
+        mImage2DUniforms[gl::ShaderType::Fragment],
+        mImage2DBindLayoutCache[gl::ShaderType::Fragment],
+        static_cast<unsigned int>(mPixelShaderKey.size()));
+
+    // Generate new pixel executable
+    ShaderExecutableD3D *pixelExecutable = nullptr;
+
+    gl::InfoLog tempInfoLog;
+    gl::InfoLog *currentInfoLog = infoLog ? infoLog : &tempInfoLog;
+
+    ANGLE_TRY(mRenderer->compileToExecutable(
+        context, *currentInfoLog, finalPixelHLSL, gl::ShaderType::Fragment, mStreamOutVaryings,
+        (mState.getTransformFeedbackBufferMode() == GL_SEPARATE_ATTRIBS),
+        mShaderWorkarounds[gl::ShaderType::Fragment], &pixelExecutable));
+
+    if (pixelExecutable)
+    {
+        mPixelExecutables.push_back(std::unique_ptr<PixelExecutable>(
+            new PixelExecutable(mPixelShaderOutputLayoutCache, pixelExecutable)));
+        mCachedPixelExecutableIndex = mPixelExecutables.size() - 1;
+    }
+    else if (!infoLog)
+    {
+        ERR() << "Error compiling dynamic pixel executable:" << std::endl
+              << tempInfoLog.str() << std::endl;
+    }
+
+    *outExecutable = pixelExecutable;
+    return angle::Result::Continue;
+}
+
+angle::Result ProgramD3D::getVertexExecutableForCachedInputLayout(
+    d3d::Context *context,
+    ShaderExecutableD3D **outExectuable,
+    gl::InfoLog *infoLog)
+{
+    if (mCachedVertexExecutableIndex.valid())
+    {
+        *outExectuable =
+            mVertexExecutables[mCachedVertexExecutableIndex.value()]->shaderExecutable();
+        return angle::Result::Continue;
+    }
+
+    // Generate new dynamic layout with attribute conversions
+    std::string finalVertexHLSL = mDynamicHLSL->generateVertexShaderForInputLayout(
+        mShaderHLSL[gl::ShaderType::Vertex], mCachedInputLayout, mState.getProgramInputs(),
+        mShaderStorageBlocks[gl::ShaderType::Vertex], mPixelShaderKey.size());
+
+    // Generate new vertex executable
+    ShaderExecutableD3D *vertexExecutable = nullptr;
+
+    gl::InfoLog tempInfoLog;
+    gl::InfoLog *currentInfoLog = infoLog ? infoLog : &tempInfoLog;
+
+    ANGLE_TRY(mRenderer->compileToExecutable(
+        context, *currentInfoLog, finalVertexHLSL, gl::ShaderType::Vertex, mStreamOutVaryings,
+        (mState.getTransformFeedbackBufferMode() == GL_SEPARATE_ATTRIBS),
+        mShaderWorkarounds[gl::ShaderType::Vertex], &vertexExecutable));
+
+    if (vertexExecutable)
+    {
+        mVertexExecutables.push_back(std::unique_ptr<VertexExecutable>(
+            new VertexExecutable(mCachedInputLayout, mCachedVertexSignature, vertexExecutable)));
+        mCachedVertexExecutableIndex = mVertexExecutables.size() - 1;
+    }
+    else if (!infoLog)
+    {
+        ERR() << "Error compiling dynamic vertex executable:" << std::endl
+              << tempInfoLog.str() << std::endl;
+    }
+
+    *outExectuable = vertexExecutable;
+    return angle::Result::Continue;
+}
+
+angle::Result ProgramD3D::getGeometryExecutableForPrimitiveType(d3d::Context *context,
+                                                                const gl::State &state,
+                                                                gl::PrimitiveMode drawMode,
+                                                                ShaderExecutableD3D **outExecutable,
+                                                                gl::InfoLog *infoLog)
+{
+    if (outExecutable)
+    {
+        *outExecutable = nullptr;
+    }
+
+    // Return a null shader if the current rendering doesn't use a geometry shader
+    if (!usesGeometryShader(state, drawMode))
+    {
+        return angle::Result::Continue;
+    }
+
+    gl::PrimitiveMode geometryShaderType = GetGeometryShaderTypeFromDrawMode(drawMode);
+
+    if (mGeometryExecutables[geometryShaderType])
+    {
+        if (outExecutable)
+        {
+            *outExecutable = mGeometryExecutables[geometryShaderType].get();
+        }
+        return angle::Result::Continue;
+    }
+    const gl::Caps &caps     = state.getCaps();
+    std::string geometryHLSL = mDynamicHLSL->generateGeometryShaderHLSL(
+        caps, geometryShaderType, mState, mRenderer->presentPathFastEnabled(),
+        mHasANGLEMultiviewEnabled, mRenderer->canSelectViewInVertexShader(),
+        usesGeometryShaderForPointSpriteEmulation(), mGeometryShaderPreamble);
+
+    gl::InfoLog tempInfoLog;
+    gl::InfoLog *currentInfoLog = infoLog ? infoLog : &tempInfoLog;
+
+    ShaderExecutableD3D *geometryExecutable = nullptr;
+    angle::Result result                    = mRenderer->compileToExecutable(
+                           context, *currentInfoLog, geometryHLSL, gl::ShaderType::Geometry, mStreamOutVaryings,
+                           (mState.getTransformFeedbackBufferMode() == GL_SEPARATE_ATTRIBS), CompilerWorkaroundsD3D(),
+                           &geometryExecutable);
+
+    if (!infoLog && result == angle::Result::Stop)
+    {
+        ERR() << "Error compiling dynamic geometry executable:" << std::endl
+              << tempInfoLog.str() << std::endl;
+    }
+
+    if (geometryExecutable != nullptr)
+    {
+        mGeometryExecutables[geometryShaderType].reset(geometryExecutable);
+    }
+
+    if (outExecutable)
+    {
+        *outExecutable = mGeometryExecutables[geometryShaderType].get();
+    }
+    return result;
+}
+
+class ProgramD3D::GetVertexExecutableTask : public ProgramD3D::GetExecutableTask
+{
+  public:
+    GetVertexExecutableTask(const gl::Context *context, ProgramD3D *program)
+        : GetExecutableTask(context, program)
+    {}
+    angle::Result run() override
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::GetVertexExecutableTask::run");
+
+        ANGLE_TRY(mProgram->getVertexExecutableForCachedInputLayout(this, &mExecutable, &mInfoLog));
+
+        return angle::Result::Continue;
+    }
+};
+
+void ProgramD3D::updateCachedInputLayoutFromShader(const gl::Context *context)
+{
+    GetDefaultInputLayoutFromShader(context, mState.getAttachedShader(gl::ShaderType::Vertex),
+                                    &mCachedInputLayout);
+    VertexExecutable::getSignature(mRenderer, mCachedInputLayout, &mCachedVertexSignature);
+    updateCachedVertexExecutableIndex();
+}
+
+class ProgramD3D::GetPixelExecutableTask : public ProgramD3D::GetExecutableTask
+{
+  public:
+    GetPixelExecutableTask(const gl::Context *context, ProgramD3D *program)
+        : GetExecutableTask(context, program)
+    {}
+    angle::Result run() override
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::GetPixelExecutableTask::run");
+        if (!mProgram->mState.getAttachedShader(gl::ShaderType::Fragment))
+        {
+            return angle::Result::Continue;
+        }
+
+        mProgram->updateCachedOutputLayoutFromShader();
+        mProgram->updateCachedImage2DBindLayoutFromShader(gl::ShaderType::Fragment);
+        ANGLE_TRY(mProgram->getPixelExecutableForCachedOutputLayout(this, &mExecutable, &mInfoLog));
+
+        return angle::Result::Continue;
+    }
+};
+
+void ProgramD3D::updateCachedOutputLayoutFromShader()
+{
+    GetDefaultOutputLayoutFromShader(mPixelShaderKey, &mPixelShaderOutputLayoutCache);
+    updateCachedPixelExecutableIndex();
+}
+
+void ProgramD3D::updateCachedImage2DBindLayoutFromShader(gl::ShaderType shaderType)
+{
+    GetDefaultImage2DBindLayoutFromShader(mImage2DUniforms[shaderType],
+                                          &mImage2DBindLayoutCache[shaderType]);
+    switch (shaderType)
+    {
+        case gl::ShaderType::Compute:
+            updateCachedComputeExecutableIndex();
+            break;
+        case gl::ShaderType::Fragment:
+            updateCachedPixelExecutableIndex();
+            break;
+        case gl::ShaderType::Vertex:
+            updateCachedVertexExecutableIndex();
+            break;
+        default:
+            ASSERT(false);
+            break;
+    }
+}
+
+class ProgramD3D::GetGeometryExecutableTask : public ProgramD3D::GetExecutableTask
+{
+  public:
+    GetGeometryExecutableTask(const gl::Context *context,
+                              ProgramD3D *program,
+                              const gl::State &state)
+        : GetExecutableTask(context, program), mState(state)
+    {}
+
+    angle::Result run() override
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::GetGeometryExecutableTask::run");
+        // Auto-generate the geometry shader here, if we expect to be using point rendering in
+        // D3D11.
+        if (mProgram->usesGeometryShader(mState, gl::PrimitiveMode::Points))
+        {
+            ANGLE_TRY(mProgram->getGeometryExecutableForPrimitiveType(
+                this, mState, gl::PrimitiveMode::Points, &mExecutable, &mInfoLog));
+        }
+
+        return angle::Result::Continue;
+    }
+
+  private:
+    const gl::State &mState;
+};
+
+class ProgramD3D::GetComputeExecutableTask : public ProgramD3D::GetExecutableTask
+{
+  public:
+    GetComputeExecutableTask(const gl::Context *context, ProgramD3D *program)
+        : GetExecutableTask(context, program)
+    {}
+    angle::Result run() override
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::GetComputeExecutableTask::run");
+        mProgram->updateCachedImage2DBindLayoutFromShader(gl::ShaderType::Compute);
+        ShaderExecutableD3D *computeExecutable = nullptr;
+        ANGLE_TRY(mProgram->getComputeExecutableForImage2DBindLayout(
+            mContext, this, &computeExecutable, &mInfoLog));
+
+        return computeExecutable ? angle::Result::Continue : angle::Result::Incomplete;
+    }
+};
+
+// The LinkEvent implementation for linking a rendering(VS, FS, GS) program.
+class ProgramD3D::GraphicsProgramLinkEvent final : public LinkEvent
+{
+  public:
+    GraphicsProgramLinkEvent(gl::InfoLog &infoLog,
+                             std::shared_ptr<WorkerThreadPool> workerPool,
+                             std::shared_ptr<ProgramD3D::GetVertexExecutableTask> vertexTask,
+                             std::shared_ptr<ProgramD3D::GetPixelExecutableTask> pixelTask,
+                             std::shared_ptr<ProgramD3D::GetGeometryExecutableTask> geometryTask,
+                             bool useGS,
+                             const ShaderD3D *vertexShader,
+                             const ShaderD3D *fragmentShader)
+        : mInfoLog(infoLog),
+          mVertexTask(vertexTask),
+          mPixelTask(pixelTask),
+          mGeometryTask(geometryTask),
+          mWaitEvents({{std::shared_ptr<WaitableEvent>(
+                            angle::WorkerThreadPool::PostWorkerTask(workerPool, mVertexTask)),
+                        std::shared_ptr<WaitableEvent>(
+                            angle::WorkerThreadPool::PostWorkerTask(workerPool, mPixelTask)),
+                        std::shared_ptr<WaitableEvent>(
+                            angle::WorkerThreadPool::PostWorkerTask(workerPool, mGeometryTask))}}),
+          mUseGS(useGS),
+          mVertexShader(vertexShader),
+          mFragmentShader(fragmentShader)
+    {}
+
+    angle::Result wait(const gl::Context *context) override
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::GraphicsProgramLinkEvent::wait");
+        WaitableEvent::WaitMany(&mWaitEvents);
+
+        ANGLE_TRY(checkTask(context, mVertexTask.get()));
+        ANGLE_TRY(checkTask(context, mPixelTask.get()));
+        ANGLE_TRY(checkTask(context, mGeometryTask.get()));
+
+        if (mVertexTask->getResult() == angle::Result::Incomplete ||
+            mPixelTask->getResult() == angle::Result::Incomplete ||
+            mGeometryTask->getResult() == angle::Result::Incomplete)
+        {
+            return angle::Result::Incomplete;
+        }
+
+        ShaderExecutableD3D *defaultVertexExecutable = mVertexTask->getExecutable();
+        ShaderExecutableD3D *defaultPixelExecutable  = mPixelTask->getExecutable();
+        ShaderExecutableD3D *pointGS                 = mGeometryTask->getExecutable();
+
+        if (mUseGS && pointGS)
+        {
+            // Geometry shaders are currently only used internally, so there is no corresponding
+            // shader object at the interface level. For now the geometry shader debug info is
+            // prepended to the vertex shader.
+            mVertexShader->appendDebugInfo("// GEOMETRY SHADER BEGIN\n\n");
+            mVertexShader->appendDebugInfo(pointGS->getDebugInfo());
+            mVertexShader->appendDebugInfo("\nGEOMETRY SHADER END\n\n\n");
+        }
+
+        if (defaultVertexExecutable)
+        {
+            mVertexShader->appendDebugInfo(defaultVertexExecutable->getDebugInfo());
+        }
+
+        if (defaultPixelExecutable)
+        {
+            mFragmentShader->appendDebugInfo(defaultPixelExecutable->getDebugInfo());
+        }
+
+        bool isLinked = (defaultVertexExecutable && defaultPixelExecutable && (!mUseGS || pointGS));
+        if (!isLinked)
+        {
+            mInfoLog << "Failed to create D3D Shaders";
+        }
+        return isLinked ? angle::Result::Continue : angle::Result::Incomplete;
+    }
+
+    bool isLinking() override
+    {
+        for (auto &event : mWaitEvents)
+        {
+            if (!event->isReady())
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+  private:
+    angle::Result checkTask(const gl::Context *context, ProgramD3D::GetExecutableTask *task)
+    {
+        if (!task->getInfoLog().empty())
+        {
+            mInfoLog << task->getInfoLog().str();
+        }
+
+        // Continue and Incomplete are not errors. For Stop, pass the error to the ContextD3D.
+        if (task->getResult() != angle::Result::Stop)
+        {
+            return angle::Result::Continue;
+        }
+
+        ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+        task->popError(contextD3D);
+        return angle::Result::Stop;
+    }
+
+    gl::InfoLog &mInfoLog;
+    std::shared_ptr<ProgramD3D::GetVertexExecutableTask> mVertexTask;
+    std::shared_ptr<ProgramD3D::GetPixelExecutableTask> mPixelTask;
+    std::shared_ptr<ProgramD3D::GetGeometryExecutableTask> mGeometryTask;
+    std::array<std::shared_ptr<WaitableEvent>, 3> mWaitEvents;
+    bool mUseGS;
+    const ShaderD3D *mVertexShader;
+    const ShaderD3D *mFragmentShader;
+};
+
+// The LinkEvent implementation for linking a computing program.
+class ProgramD3D::ComputeProgramLinkEvent final : public LinkEvent
+{
+  public:
+    ComputeProgramLinkEvent(gl::InfoLog &infoLog,
+                            std::shared_ptr<ProgramD3D::GetComputeExecutableTask> computeTask,
+                            std::shared_ptr<WaitableEvent> event)
+        : mInfoLog(infoLog), mComputeTask(computeTask), mWaitEvent(event)
+    {}
+
+    bool isLinking() override { return !mWaitEvent->isReady(); }
+
+    angle::Result wait(const gl::Context *context) override
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::ComputeProgramLinkEvent::wait");
+        mWaitEvent->wait();
+
+        angle::Result result = mComputeTask->getResult();
+        if (result != angle::Result::Continue)
+        {
+            mInfoLog << "Failed to create D3D compute shader.";
+        }
+        return result;
+    }
+
+  private:
+    gl::InfoLog &mInfoLog;
+    std::shared_ptr<ProgramD3D::GetComputeExecutableTask> mComputeTask;
+    std::shared_ptr<WaitableEvent> mWaitEvent;
+};
+
+std::unique_ptr<LinkEvent> ProgramD3D::compileProgramExecutables(const gl::Context *context,
+                                                                 gl::InfoLog &infoLog)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::compileProgramExecutables");
+    // Ensure the compiler is initialized to avoid race conditions.
+    angle::Result result = mRenderer->ensureHLSLCompilerInitialized(GetImplAs<ContextD3D>(context));
+    if (result != angle::Result::Continue)
+    {
+        return std::make_unique<LinkEventDone>(result);
+    }
+
+    auto vertexTask = std::make_shared<GetVertexExecutableTask>(context, this);
+    auto pixelTask  = std::make_shared<GetPixelExecutableTask>(context, this);
+    auto geometryTask =
+        std::make_shared<GetGeometryExecutableTask>(context, this, context->getState());
+    bool useGS                 = usesGeometryShader(context->getState(), gl::PrimitiveMode::Points);
+    gl::Shader *vertexShader   = mState.getAttachedShader(gl::ShaderType::Vertex);
+    gl::Shader *fragmentShader = mState.getAttachedShader(gl::ShaderType::Fragment);
+    const ShaderD3D *vertexShaderD3D = vertexShader ? GetImplAs<ShaderD3D>(vertexShader) : nullptr;
+    const ShaderD3D *fragmentShaderD3D =
+        fragmentShader ? GetImplAs<ShaderD3D>(fragmentShader) : nullptr;
+
+    return std::make_unique<GraphicsProgramLinkEvent>(infoLog, context->getWorkerThreadPool(),
+                                                      vertexTask, pixelTask, geometryTask, useGS,
+                                                      vertexShaderD3D, fragmentShaderD3D);
+}
+
+std::unique_ptr<LinkEvent> ProgramD3D::compileComputeExecutable(const gl::Context *context,
+                                                                gl::InfoLog &infoLog)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::compileComputeExecutable");
+    // Ensure the compiler is initialized to avoid race conditions.
+    angle::Result result = mRenderer->ensureHLSLCompilerInitialized(GetImplAs<ContextD3D>(context));
+    if (result != angle::Result::Continue)
+    {
+        return std::make_unique<LinkEventDone>(result);
+    }
+    auto computeTask = std::make_shared<GetComputeExecutableTask>(context, this);
+
+    std::shared_ptr<WaitableEvent> waitableEvent;
+
+    // TODO(jie.a.chen@intel.com): Fix the flaky bug.
+    // http://anglebug.com/3349
+    bool compileInParallel = false;
+    if (!compileInParallel)
+    {
+        (*computeTask)();
+        waitableEvent = std::make_shared<WaitableEventDone>();
+    }
+    else
+    {
+        waitableEvent =
+            WorkerThreadPool::PostWorkerTask(context->getWorkerThreadPool(), computeTask);
+    }
+
+    return std::make_unique<ComputeProgramLinkEvent>(infoLog, computeTask, waitableEvent);
+}
+
+angle::Result ProgramD3D::getComputeExecutableForImage2DBindLayout(
+    const gl::Context *glContext,
+    d3d::Context *context,
+    ShaderExecutableD3D **outExecutable,
+    gl::InfoLog *infoLog)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::getComputeExecutableForImage2DBindLayout");
+    if (mCachedComputeExecutableIndex.valid())
+    {
+        *outExecutable =
+            mComputeExecutables[mCachedComputeExecutableIndex.value()]->shaderExecutable();
+        return angle::Result::Continue;
+    }
+
+    std::string computeHLSL =
+        mState.getAttachedShader(gl::ShaderType::Compute)->getTranslatedSource(glContext);
+
+    std::string finalComputeHLSL = mDynamicHLSL->generateShaderForImage2DBindSignature(
+        *this, mState, gl::ShaderType::Compute, computeHLSL,
+        mImage2DUniforms[gl::ShaderType::Compute], mImage2DBindLayoutCache[gl::ShaderType::Compute],
+        0u);
+
+    // Generate new compute executable
+    ShaderExecutableD3D *computeExecutable = nullptr;
+
+    gl::InfoLog tempInfoLog;
+    gl::InfoLog *currentInfoLog = infoLog ? infoLog : &tempInfoLog;
+
+    ANGLE_TRY(mRenderer->compileToExecutable(context, *currentInfoLog, finalComputeHLSL,
+                                             gl::ShaderType::Compute, std::vector<D3DVarying>(),
+                                             false, CompilerWorkaroundsD3D(), &computeExecutable));
+
+    if (computeExecutable)
+    {
+        mComputeExecutables.push_back(std::unique_ptr<ComputeExecutable>(
+            new ComputeExecutable(mImage2DBindLayoutCache[gl::ShaderType::Compute],
+                                  std::unique_ptr<ShaderExecutableD3D>(computeExecutable))));
+        mCachedComputeExecutableIndex = mComputeExecutables.size() - 1;
+    }
+    else if (!infoLog)
+    {
+        ERR() << "Error compiling dynamic compute executable:" << std::endl
+              << tempInfoLog.str() << std::endl;
+    }
+    *outExecutable = computeExecutable;
+
+    return angle::Result::Continue;
+}
+
+std::unique_ptr<LinkEvent> ProgramD3D::link(const gl::Context *context,
+                                            const gl::ProgramLinkedResources &resources,
+                                            gl::InfoLog &infoLog,
+                                            const gl::ProgramMergedVaryings & /*mergedVaryings*/)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "ProgramD3D::link");
+    const auto &data = context->getState();
+
+    reset();
+
+    gl::Shader *computeShader = mState.getAttachedShader(gl::ShaderType::Compute);
+    if (computeShader)
+    {
+        mShaderSamplers[gl::ShaderType::Compute].resize(
+            data.getCaps().maxShaderTextureImageUnits[gl::ShaderType::Compute]);
+        mImages[gl::ShaderType::Compute].resize(data.getCaps().maxImageUnits);
+        mReadonlyImages[gl::ShaderType::Compute].resize(data.getCaps().maxImageUnits);
+
+        mShaderUniformsDirty.set(gl::ShaderType::Compute);
+
+        linkResources(context, resources);
+
+        for (const sh::ShaderVariable &uniform : computeShader->getUniforms(context))
+        {
+            if (gl::IsImageType(uniform.type) && gl::IsImage2DType(uniform.type))
+            {
+                mImage2DUniforms[gl::ShaderType::Compute].push_back(uniform);
+            }
+        }
+
+        defineUniformsAndAssignRegisters(context);
+
+        return compileComputeExecutable(context, infoLog);
+    }
+    else
+    {
+        gl::ShaderMap<const ShaderD3D *> shadersD3D = {};
+        for (gl::ShaderType shaderType : gl::kAllGraphicsShaderTypes)
+        {
+            if (gl::Shader *shader = mState.getAttachedShader(shaderType))
+            {
+                shadersD3D[shaderType] = GetImplAs<ShaderD3D>(mState.getAttachedShader(shaderType));
+
+                mShaderSamplers[shaderType].resize(
+                    data.getCaps().maxShaderTextureImageUnits[shaderType]);
+                mImages[shaderType].resize(data.getCaps().maxImageUnits);
+                mReadonlyImages[shaderType].resize(data.getCaps().maxImageUnits);
+
+                shadersD3D[shaderType]->generateWorkarounds(&mShaderWorkarounds[shaderType]);
+
+                mShaderUniformsDirty.set(shaderType);
+
+                const std::set<std::string> &slowCompilingUniformBlockSet =
+                    shadersD3D[shaderType]->getSlowCompilingUniformBlockSet();
+                if (slowCompilingUniformBlockSet.size() > 0)
+                {
+                    std::ostringstream stream;
+                    stream << "You could get a better shader compiling performance if you re-write"
+                           << " the uniform block(s)\n[ ";
+                    for (const std::string &str : slowCompilingUniformBlockSet)
+                    {
+                        stream << str << " ";
+                    }
+                    stream << "]\nin the " << gl::GetShaderTypeString(shaderType) << " shader.\n";
+
+                    stream << "You could get more details from "
+                              "https://chromium.googlesource.com/angle/angle/+/refs/heads/main/"
+                              "src/libANGLE/renderer/d3d/d3d11/"
+                              "UniformBlockToStructuredBufferTranslation.md\n";
+                    ANGLE_PERF_WARNING(context->getState().getDebug(), GL_DEBUG_SEVERITY_MEDIUM,
+                                       stream.str().c_str());
+                }
+
+                for (const sh::ShaderVariable &uniform : shader->getUniforms(context))
+                {
+                    if (gl::IsImageType(uniform.type) && gl::IsImage2DType(uniform.type))
+                    {
+                        mImage2DUniforms[shaderType].push_back(uniform);
+                    }
+                }
+            }
+        }
+
+        if (mRenderer->getNativeLimitations().noFrontFacingSupport)
+        {
+            const ShaderD3D *fragmentShader = shadersD3D[gl::ShaderType::Fragment];
+            if (fragmentShader && fragmentShader->usesFrontFacing())
+            {
+                infoLog << "The current renderer doesn't support gl_FrontFacing";
+                return std::make_unique<LinkEventDone>(angle::Result::Incomplete);
+            }
+        }
+
+        const gl::VaryingPacking &varyingPacking =
+            resources.varyingPacking.getOutputPacking(gl::ShaderType::Vertex);
+
+        ProgramD3DMetadata metadata(mRenderer, shadersD3D, context->getClientType());
+        BuiltinVaryingsD3D builtins(metadata, varyingPacking);
+
+        mDynamicHLSL->generateShaderLinkHLSL(context, context->getCaps(), mState, metadata,
+                                             varyingPacking, builtins, &mShaderHLSL);
+
+        const ShaderD3D *vertexShader = shadersD3D[gl::ShaderType::Vertex];
+        mUsesPointSize                = vertexShader && vertexShader->usesPointSize();
+        mDynamicHLSL->getPixelShaderOutputKey(data, mState, metadata, &mPixelShaderKey);
+        mUsesFragDepth            = metadata.usesFragDepth();
+        mUsesVertexID             = metadata.usesVertexID();
+        mUsesViewID               = metadata.usesViewID();
+        mHasANGLEMultiviewEnabled = metadata.hasANGLEMultiviewEnabled();
+
+        // Cache if we use flat shading
+        mUsesFlatInterpolation = FindFlatInterpolationVarying(context, mState.getAttachedShaders());
+
+        if (mRenderer->getMajorShaderModel() >= 4)
+        {
+            mGeometryShaderPreamble = mDynamicHLSL->generateGeometryShaderPreamble(
+                varyingPacking, builtins, mHasANGLEMultiviewEnabled,
+                metadata.canSelectViewInVertexShader());
+        }
+
+        initAttribLocationsToD3DSemantic(context);
+
+        defineUniformsAndAssignRegisters(context);
+
+        gatherTransformFeedbackVaryings(varyingPacking, builtins[gl::ShaderType::Vertex]);
+
+        linkResources(context, resources);
+
+        if (mState.getAttachedShader(gl::ShaderType::Vertex))
+        {
+            updateCachedInputLayoutFromShader(context);
+        }
+
+        return compileProgramExecutables(context, infoLog);
+    }
+}
+
+GLboolean ProgramD3D::validate(const gl::Caps & /*caps*/, gl::InfoLog * /*infoLog*/)
+{
+    // TODO(jmadill): Do something useful here?
+    return GL_TRUE;
+}
+
+void ProgramD3D::initializeShaderStorageBlocks(const gl::Context *context)
+{
+    if (mState.getShaderStorageBlocks().empty())
+    {
+        return;
+    }
+
+    ASSERT(mD3DShaderStorageBlocks.empty());
+
+    // Assign registers and update sizes.
+    gl::ShaderMap<const ShaderD3D *> shadersD3D = {};
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        shadersD3D[shaderType] = SafeGetImplAs<ShaderD3D>(mState.getAttachedShader(shaderType));
+    }
+    for (const gl::InterfaceBlock &shaderStorageBlock : mState.getShaderStorageBlocks())
+    {
+        unsigned int shaderStorageBlockElement =
+            shaderStorageBlock.isArray ? shaderStorageBlock.arrayElement : 0;
+        D3DInterfaceBlock d3dShaderStorageBlock;
+
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            if (shaderStorageBlock.isActive(shaderType))
+            {
+                ASSERT(shadersD3D[shaderType]);
+                unsigned int baseRegister =
+                    shadersD3D[shaderType]->getShaderStorageBlockRegister(shaderStorageBlock.name);
+
+                d3dShaderStorageBlock.mShaderRegisterIndexes[shaderType] =
+                    baseRegister + shaderStorageBlockElement;
+            }
+        }
+        mD3DShaderStorageBlocks.push_back(d3dShaderStorageBlock);
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        gl::Shader *shader = mState.getAttachedShader(shaderType);
+        if (!shader)
+        {
+            continue;
+        }
+        ShaderD3D *shaderD3D = SafeGetImplAs<ShaderD3D>(shader);
+        for (const sh::InterfaceBlock &ssbo : shader->getShaderStorageBlocks(context))
+        {
+            if (!ssbo.active)
+            {
+                continue;
+            }
+            ShaderStorageBlock block;
+            block.name          = !ssbo.instanceName.empty() ? ssbo.instanceName : ssbo.name;
+            block.arraySize     = ssbo.isArray() ? ssbo.arraySize : 0;
+            block.registerIndex = shaderD3D->getShaderStorageBlockRegister(ssbo.name);
+            mShaderStorageBlocks[shaderType].push_back(block);
+        }
+    }
+}
+
+void ProgramD3D::initializeUniformBlocks()
+{
+    if (mState.getUniformBlocks().empty())
+    {
+        return;
+    }
+
+    ASSERT(mD3DUniformBlocks.empty());
+
+    // Assign registers and update sizes.
+    gl::ShaderMap<const ShaderD3D *> shadersD3D = {};
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        shadersD3D[shaderType] = SafeGetImplAs<ShaderD3D>(mState.getAttachedShader(shaderType));
+    }
+
+    for (const gl::InterfaceBlock &uniformBlock : mState.getUniformBlocks())
+    {
+        unsigned int uniformBlockElement = uniformBlock.isArray ? uniformBlock.arrayElement : 0;
+
+        D3DUniformBlock d3dUniformBlock;
+
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            if (uniformBlock.isActive(shaderType))
+            {
+                ASSERT(shadersD3D[shaderType]);
+                unsigned int baseRegister =
+                    shadersD3D[shaderType]->getUniformBlockRegister(uniformBlock.name);
+                d3dUniformBlock.mShaderRegisterIndexes[shaderType] =
+                    baseRegister + uniformBlockElement;
+                bool useStructuredBuffer =
+                    shadersD3D[shaderType]->shouldUniformBlockUseStructuredBuffer(
+                        uniformBlock.name);
+                if (useStructuredBuffer)
+                {
+                    d3dUniformBlock.mUseStructuredBuffers[shaderType] = true;
+                    d3dUniformBlock.mByteWidths[shaderType]           = uniformBlock.dataSize;
+                    d3dUniformBlock.mStructureByteStrides[shaderType] =
+                        uniformBlock.firstFieldArraySize == 0u
+                            ? uniformBlock.dataSize
+                            : uniformBlock.dataSize / uniformBlock.firstFieldArraySize;
+                }
+            }
+        }
+
+        mD3DUniformBlocks.push_back(d3dUniformBlock);
+    }
+}
+
+void ProgramD3D::initializeUniformStorage(const gl::ShaderBitSet &availableShaderStages)
+{
+    // Compute total default block size
+    gl::ShaderMap<unsigned int> shaderRegisters = {};
+    for (const D3DUniform *d3dUniform : mD3DUniforms)
+    {
+        if (d3dUniform->isSampler())
+        {
+            continue;
+        }
+
+        for (gl::ShaderType shaderType : availableShaderStages)
+        {
+            if (d3dUniform->isReferencedByShader(shaderType))
+            {
+                shaderRegisters[shaderType] = std::max(
+                    shaderRegisters[shaderType],
+                    d3dUniform->mShaderRegisterIndexes[shaderType] + d3dUniform->registerCount);
+            }
+        }
+    }
+
+    // We only reset uniform storages for the shader stages available in the program (attached
+    // shaders in ProgramD3D::link() and linkedShaderStages in ProgramD3D::load()).
+    for (gl::ShaderType shaderType : availableShaderStages)
+    {
+        mShaderUniformStorages[shaderType].reset(
+            mRenderer->createUniformStorage(shaderRegisters[shaderType] * 16u));
+    }
+
+    // Iterate the uniforms again to assign data pointers to default block uniforms.
+    for (D3DUniform *d3dUniform : mD3DUniforms)
+    {
+        if (d3dUniform->isSampler())
+        {
+            d3dUniform->mSamplerData.resize(d3dUniform->getArraySizeProduct(), 0);
+            continue;
+        }
+
+        for (gl::ShaderType shaderType : availableShaderStages)
+        {
+            if (d3dUniform->isReferencedByShader(shaderType))
+            {
+                d3dUniform->mShaderData[shaderType] =
+                    mShaderUniformStorages[shaderType]->getDataPointer(
+                        d3dUniform->mShaderRegisterIndexes[shaderType],
+                        d3dUniform->registerElement);
+            }
+        }
+    }
+}
+
+void ProgramD3D::updateUniformBufferCache(const gl::Caps &caps)
+{
+    if (mState.getUniformBlocks().empty())
+    {
+        return;
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        mShaderUBOCaches[shaderType].clear();
+        mShaderUBOCachesUseSB[shaderType].clear();
+    }
+
+    for (unsigned int uniformBlockIndex = 0; uniformBlockIndex < mD3DUniformBlocks.size();
+         uniformBlockIndex++)
+    {
+        const D3DUniformBlock &uniformBlock = mD3DUniformBlocks[uniformBlockIndex];
+        GLuint blockBinding                 = mState.getUniformBlockBinding(uniformBlockIndex);
+
+        // Unnecessary to apply an unreferenced standard or shared UBO
+        for (gl::ShaderType shaderType : gl::AllShaderTypes())
+        {
+            if (!uniformBlock.activeInShader(shaderType))
+            {
+                continue;
+            }
+
+            bool useStructuredBuffer   = uniformBlock.mUseStructuredBuffers[shaderType];
+            unsigned int registerIndex = uniformBlock.mShaderRegisterIndexes[shaderType];
+            if (useStructuredBuffer)
+            {
+                D3DUBOCacheUseSB cacheUseSB;
+                cacheUseSB.registerIndex       = registerIndex;
+                cacheUseSB.binding             = blockBinding;
+                cacheUseSB.byteWidth           = uniformBlock.mByteWidths[shaderType];
+                cacheUseSB.structureByteStride = uniformBlock.mStructureByteStrides[shaderType];
+                mShaderUBOCachesUseSB[shaderType].push_back(cacheUseSB);
+            }
+            else
+            {
+                ASSERT(registerIndex <
+                       static_cast<unsigned int>(caps.maxShaderUniformBlocks[shaderType]));
+                D3DUBOCache cache;
+                cache.registerIndex = registerIndex;
+                cache.binding       = blockBinding;
+                mShaderUBOCaches[shaderType].push_back(cache);
+            }
+        }
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        GLuint uniformBlockCount = static_cast<GLuint>(mShaderUBOCaches[shaderType].size() +
+                                                       mShaderUBOCachesUseSB[shaderType].size());
+        ASSERT(uniformBlockCount <=
+               static_cast<unsigned int>(caps.maxShaderUniformBlocks[shaderType]));
+    }
+}
+
+unsigned int ProgramD3D::getAtomicCounterBufferRegisterIndex(GLuint binding,
+                                                             gl::ShaderType shaderType) const
+{
+    if (shaderType != gl::ShaderType::Compute)
+    {
+        // Implement atomic counters for non-compute shaders
+        // http://anglebug.com/1729
+        UNIMPLEMENTED();
+    }
+    return mComputeAtomicCounterBufferRegisterIndices[binding];
+}
+
+unsigned int ProgramD3D::getShaderStorageBufferRegisterIndex(GLuint blockIndex,
+                                                             gl::ShaderType shaderType) const
+{
+    return mD3DShaderStorageBlocks[blockIndex].mShaderRegisterIndexes[shaderType];
+}
+
+const std::vector<D3DUBOCache> &ProgramD3D::getShaderUniformBufferCache(
+    gl::ShaderType shaderType) const
+{
+    return mShaderUBOCaches[shaderType];
+}
+
+const std::vector<D3DUBOCacheUseSB> &ProgramD3D::getShaderUniformBufferCacheUseSB(
+    gl::ShaderType shaderType) const
+{
+    return mShaderUBOCachesUseSB[shaderType];
+}
+
+void ProgramD3D::dirtyAllUniforms()
+{
+    mShaderUniformsDirty = mState.getExecutable().getLinkedShaderStages();
+}
+
+void ProgramD3D::markUniformsClean()
+{
+    mShaderUniformsDirty.reset();
+}
+
+void ProgramD3D::setUniform1fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    setUniformInternal(location, count, v, GL_FLOAT);
+}
+
+void ProgramD3D::setUniform2fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    setUniformInternal(location, count, v, GL_FLOAT_VEC2);
+}
+
+void ProgramD3D::setUniform3fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    setUniformInternal(location, count, v, GL_FLOAT_VEC3);
+}
+
+void ProgramD3D::setUniform4fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    setUniformInternal(location, count, v, GL_FLOAT_VEC4);
+}
+
+void ProgramD3D::setUniformMatrix2fv(GLint location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)
+{
+    setUniformMatrixfvInternal<2, 2>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix3fv(GLint location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)
+{
+    setUniformMatrixfvInternal<3, 3>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix4fv(GLint location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)
+{
+    setUniformMatrixfvInternal<4, 4>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix2x3fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    setUniformMatrixfvInternal<2, 3>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix3x2fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    setUniformMatrixfvInternal<3, 2>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix2x4fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    setUniformMatrixfvInternal<2, 4>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix4x2fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    setUniformMatrixfvInternal<4, 2>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix3x4fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    setUniformMatrixfvInternal<3, 4>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniformMatrix4x3fv(GLint location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    setUniformMatrixfvInternal<4, 3>(location, count, transpose, value);
+}
+
+void ProgramD3D::setUniform1iv(GLint location, GLsizei count, const GLint *v)
+{
+    setUniformInternal(location, count, v, GL_INT);
+}
+
+void ProgramD3D::setUniform2iv(GLint location, GLsizei count, const GLint *v)
+{
+    setUniformInternal(location, count, v, GL_INT_VEC2);
+}
+
+void ProgramD3D::setUniform3iv(GLint location, GLsizei count, const GLint *v)
+{
+    setUniformInternal(location, count, v, GL_INT_VEC3);
+}
+
+void ProgramD3D::setUniform4iv(GLint location, GLsizei count, const GLint *v)
+{
+    setUniformInternal(location, count, v, GL_INT_VEC4);
+}
+
+void ProgramD3D::setUniform1uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    setUniformInternal(location, count, v, GL_UNSIGNED_INT);
+}
+
+void ProgramD3D::setUniform2uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    setUniformInternal(location, count, v, GL_UNSIGNED_INT_VEC2);
+}
+
+void ProgramD3D::setUniform3uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    setUniformInternal(location, count, v, GL_UNSIGNED_INT_VEC3);
+}
+
+void ProgramD3D::setUniform4uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    setUniformInternal(location, count, v, GL_UNSIGNED_INT_VEC4);
+}
+
+void ProgramD3D::defineUniformsAndAssignRegisters(const gl::Context *context)
+{
+    D3DUniformMap uniformMap;
+
+    gl::ShaderBitSet attachedShaders;
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        gl::Shader *shader = mState.getAttachedShader(shaderType);
+        if (shader)
+        {
+            for (const sh::ShaderVariable &uniform : shader->getUniforms(context))
+            {
+                if (uniform.active)
+                {
+                    defineUniformBase(shader, uniform, &uniformMap);
+                }
+            }
+
+            attachedShaders.set(shader->getType());
+        }
+    }
+
+    // Initialize the D3DUniform list to mirror the indexing of the GL layer.
+    for (const gl::LinkedUniform &glUniform : mState.getUniforms())
+    {
+        if (!glUniform.isInDefaultBlock())
+            continue;
+
+        std::string name = glUniform.name;
+        if (glUniform.isArray())
+        {
+            // In the program state, array uniform names include [0] as in the program resource
+            // spec. Here we don't include it.
+            // TODO(oetuaho@nvidia.com): consider using the same uniform naming here as in the GL
+            // layer.
+            ASSERT(angle::EndsWith(name, "[0]"));
+            name.resize(name.length() - 3);
+        }
+        auto mapEntry = uniformMap.find(name);
+        ASSERT(mapEntry != uniformMap.end());
+        mD3DUniforms.push_back(mapEntry->second);
+    }
+
+    assignAllSamplerRegisters();
+    assignAllAtomicCounterRegisters();
+    // Samplers and readonly images share shader input resource slot, adjust low value of
+    // readonly image range.
+    for (gl::ShaderType shaderType : {gl::ShaderType::Compute, gl::ShaderType::Fragment})
+    {
+        mUsedReadonlyImageRange[shaderType] =
+            gl::RangeUI(mUsedShaderSamplerRanges[shaderType].high(),
+                        mUsedShaderSamplerRanges[shaderType].high());
+        // Atomic counter buffers and non-readonly images share input resource slots
+        mUsedImageRange[shaderType] = gl::RangeUI(mUsedAtomicCounterRange[shaderType].high(),
+                                                  mUsedAtomicCounterRange[shaderType].high());
+    }
+    assignAllImageRegisters();
+    initializeUniformStorage(attachedShaders);
+}
+
+void ProgramD3D::defineUniformBase(const gl::Shader *shader,
+                                   const sh::ShaderVariable &uniform,
+                                   D3DUniformMap *uniformMap)
+{
+    sh::StubBlockEncoder stubEncoder;
+
+    // Samplers get their registers assigned in assignAllSamplerRegisters, and images get their
+    // registers assigned in assignAllImageRegisters.
+    if (gl::IsSamplerType(uniform.type))
+    {
+        UniformEncodingVisitorD3D visitor(shader->getType(), HLSLRegisterType::Texture,
+                                          &stubEncoder, uniformMap);
+        sh::TraverseShaderVariable(uniform, false, &visitor);
+        return;
+    }
+
+    if (gl::IsImageType(uniform.type))
+    {
+        if (uniform.readonly)
+        {
+            UniformEncodingVisitorD3D visitor(shader->getType(), HLSLRegisterType::Texture,
+                                              &stubEncoder, uniformMap);
+            sh::TraverseShaderVariable(uniform, false, &visitor);
+        }
+        else
+        {
+            UniformEncodingVisitorD3D visitor(
+                shader->getType(), HLSLRegisterType::UnorderedAccessView, &stubEncoder, uniformMap);
+            sh::TraverseShaderVariable(uniform, false, &visitor);
+        }
+        mImageBindingMap[uniform.name] = uniform.binding;
+        return;
+    }
+
+    if (uniform.isBuiltIn() && !uniform.isEmulatedBuiltIn())
+    {
+        UniformEncodingVisitorD3D visitor(shader->getType(), HLSLRegisterType::None, &stubEncoder,
+                                          uniformMap);
+        sh::TraverseShaderVariable(uniform, false, &visitor);
+        return;
+    }
+    else if (gl::IsAtomicCounterType(uniform.type))
+    {
+        UniformEncodingVisitorD3D visitor(shader->getType(), HLSLRegisterType::UnorderedAccessView,
+                                          &stubEncoder, uniformMap);
+        sh::TraverseShaderVariable(uniform, false, &visitor);
+        mAtomicBindingMap[uniform.name] = uniform.binding;
+        return;
+    }
+
+    const ShaderD3D *shaderD3D = GetImplAs<ShaderD3D>(shader);
+    unsigned int startRegister = shaderD3D->getUniformRegister(uniform.name);
+    ShShaderOutput outputType  = shaderD3D->getCompilerOutputType();
+    sh::HLSLBlockEncoder encoder(sh::HLSLBlockEncoder::GetStrategyFor(outputType), true);
+    encoder.skipRegisters(startRegister);
+
+    UniformEncodingVisitorD3D visitor(shader->getType(), HLSLRegisterType::None, &encoder,
+                                      uniformMap);
+    sh::TraverseShaderVariable(uniform, false, &visitor);
+}
+
+bool ProgramD3D::hasNamedUniform(const std::string &name)
+{
+    for (D3DUniform *d3dUniform : mD3DUniforms)
+    {
+        if (d3dUniform->name == name)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// Assume count is already clamped.
+template <typename T>
+void ProgramD3D::setUniformImpl(D3DUniform *targetUniform,
+                                const gl::VariableLocation &locationInfo,
+                                GLsizei count,
+                                const T *v,
+                                uint8_t *targetState,
+                                GLenum uniformType)
+{
+    const int components                  = targetUniform->typeInfo.componentCount;
+    const unsigned int arrayElementOffset = locationInfo.arrayIndex;
+    const int blockSize                   = 4;
+
+    if (targetUniform->typeInfo.type == uniformType)
+    {
+        T *dest         = reinterpret_cast<T *>(targetState) + arrayElementOffset * blockSize;
+        const T *source = v;
+
+        // If the component is equal to the block size, we can optimize to a single memcpy.
+        // Otherwise, we have to do partial block writes.
+        if (components == blockSize)
+        {
+            memcpy(dest, source, components * count * sizeof(T));
+        }
+        else
+        {
+            for (GLint i = 0; i < count; i++, dest += blockSize, source += components)
+            {
+                memcpy(dest, source, components * sizeof(T));
+            }
+        }
+    }
+    else
+    {
+        ASSERT(targetUniform->typeInfo.type == gl::VariableBoolVectorType(uniformType));
+        GLint *boolParams = reinterpret_cast<GLint *>(targetState) + arrayElementOffset * 4;
+
+        for (GLint i = 0; i < count; i++)
+        {
+            GLint *dest     = boolParams + (i * 4);
+            const T *source = v + (i * components);
+
+            for (int c = 0; c < components; c++)
+            {
+                dest[c] = (source[c] == static_cast<T>(0)) ? GL_FALSE : GL_TRUE;
+            }
+        }
+    }
+}
+
+template <typename T>
+void ProgramD3D::setUniformInternal(GLint location, GLsizei count, const T *v, GLenum uniformType)
+{
+    const gl::VariableLocation &locationInfo = mState.getUniformLocations()[location];
+    D3DUniform *targetUniform                = mD3DUniforms[locationInfo.index];
+
+    if (targetUniform->typeInfo.isSampler)
+    {
+        ASSERT(uniformType == GL_INT);
+        size_t size = count * sizeof(T);
+        GLint *dest = &targetUniform->mSamplerData[locationInfo.arrayIndex];
+        if (memcmp(dest, v, size) != 0)
+        {
+            memcpy(dest, v, size);
+            mDirtySamplerMapping = true;
+        }
+        return;
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        uint8_t *targetState = targetUniform->mShaderData[shaderType];
+        if (targetState)
+        {
+            setUniformImpl(targetUniform, locationInfo, count, v, targetState, uniformType);
+            mShaderUniformsDirty.set(shaderType);
+        }
+    }
+}
+
+template <int cols, int rows>
+void ProgramD3D::setUniformMatrixfvInternal(GLint location,
+                                            GLsizei countIn,
+                                            GLboolean transpose,
+                                            const GLfloat *value)
+{
+    D3DUniform *targetUniform                   = getD3DUniformFromLocation(location);
+    const gl::VariableLocation &uniformLocation = mState.getUniformLocations()[location];
+    unsigned int arrayElementOffset             = uniformLocation.arrayIndex;
+    unsigned int elementCount                   = targetUniform->getArraySizeProduct();
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        if (targetUniform->mShaderData[shaderType])
+        {
+            SetFloatUniformMatrixHLSL<cols, rows>::Run(arrayElementOffset, elementCount, countIn,
+                                                       transpose, value,
+                                                       targetUniform->mShaderData[shaderType]);
+            mShaderUniformsDirty.set(shaderType);
+        }
+    }
+}
+
+void ProgramD3D::assignAllSamplerRegisters()
+{
+    for (size_t uniformIndex = 0; uniformIndex < mD3DUniforms.size(); ++uniformIndex)
+    {
+        if (mD3DUniforms[uniformIndex]->isSampler())
+        {
+            assignSamplerRegisters(uniformIndex);
+        }
+    }
+}
+
+void ProgramD3D::assignSamplerRegisters(size_t uniformIndex)
+{
+    D3DUniform *d3dUniform = mD3DUniforms[uniformIndex];
+    ASSERT(d3dUniform->isSampler());
+    // If the uniform is an array of arrays, then we have separate entries for each inner array in
+    // mD3DUniforms. However, the sampler register info is stored in the shader only for the
+    // outermost array.
+    std::vector<unsigned int> subscripts;
+    const std::string baseName = gl::ParseResourceName(d3dUniform->name, &subscripts);
+    unsigned int registerOffset =
+        mState.getUniforms()[uniformIndex].parentArrayIndex() * d3dUniform->getArraySizeProduct();
+
+    bool hasUniform = false;
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        if (!mState.getAttachedShader(shaderType))
+        {
+            continue;
+        }
+
+        const ShaderD3D *shaderD3D = GetImplAs<ShaderD3D>(mState.getAttachedShader(shaderType));
+        if (shaderD3D->hasUniform(baseName))
+        {
+            d3dUniform->mShaderRegisterIndexes[shaderType] =
+                shaderD3D->getUniformRegister(baseName) + registerOffset;
+            ASSERT(d3dUniform->mShaderRegisterIndexes[shaderType] != GL_INVALID_VALUE);
+
+            AssignSamplers(d3dUniform->mShaderRegisterIndexes[shaderType], d3dUniform->typeInfo,
+                           d3dUniform->getArraySizeProduct(), mShaderSamplers[shaderType],
+                           &mUsedShaderSamplerRanges[shaderType]);
+            hasUniform = true;
+        }
+    }
+
+    ASSERT(hasUniform);
+}
+
+// static
+void ProgramD3D::AssignSamplers(unsigned int startSamplerIndex,
+                                const gl::UniformTypeInfo &typeInfo,
+                                unsigned int samplerCount,
+                                std::vector<Sampler> &outSamplers,
+                                gl::RangeUI *outUsedRange)
+{
+    unsigned int samplerIndex = startSamplerIndex;
+
+    do
+    {
+        ASSERT(samplerIndex < outSamplers.size());
+        Sampler *sampler            = &outSamplers[samplerIndex];
+        sampler->active             = true;
+        sampler->textureType        = gl::FromGLenum<gl::TextureType>(typeInfo.textureType);
+        sampler->logicalTextureUnit = 0;
+        outUsedRange->extend(samplerIndex);
+        samplerIndex++;
+    } while (samplerIndex < startSamplerIndex + samplerCount);
+}
+
+void ProgramD3D::assignAllImageRegisters()
+{
+    for (size_t uniformIndex = 0; uniformIndex < mD3DUniforms.size(); ++uniformIndex)
+    {
+        if (mD3DUniforms[uniformIndex]->isImage() && !mD3DUniforms[uniformIndex]->isImage2D())
+        {
+            assignImageRegisters(uniformIndex);
+        }
+    }
+}
+
+void ProgramD3D::assignAllAtomicCounterRegisters()
+{
+    if (mAtomicBindingMap.empty())
+    {
+        return;
+    }
+    gl::ShaderType shaderType       = gl::ShaderType::Compute;
+    const gl::Shader *computeShader = mState.getAttachedShader(shaderType);
+    if (computeShader)
+    {
+        const ShaderD3D *computeShaderD3D = GetImplAs<ShaderD3D>(computeShader);
+        auto &registerIndices             = mComputeAtomicCounterBufferRegisterIndices;
+        for (auto &atomicBinding : mAtomicBindingMap)
+        {
+            ASSERT(computeShaderD3D->hasUniform(atomicBinding.first));
+            unsigned int currentRegister =
+                computeShaderD3D->getUniformRegister(atomicBinding.first);
+            ASSERT(currentRegister != GL_INVALID_INDEX);
+            const int kBinding = atomicBinding.second;
+
+            registerIndices[kBinding] = currentRegister;
+
+            mUsedAtomicCounterRange[gl::ShaderType::Compute].extend(currentRegister);
+        }
+    }
+    else
+    {
+        // Implement atomic counters for non-compute shaders
+        // http://anglebug.com/1729
+        UNIMPLEMENTED();
+    }
+}
+
+void ProgramD3D::assignImageRegisters(size_t uniformIndex)
+{
+    D3DUniform *d3dUniform = mD3DUniforms[uniformIndex];
+    ASSERT(d3dUniform->isImage());
+    // If the uniform is an array of arrays, then we have separate entries for each inner array in
+    // mD3DUniforms. However, the image register info is stored in the shader only for the
+    // outermost array.
+    std::vector<unsigned int> subscripts;
+    const std::string baseName = gl::ParseResourceName(d3dUniform->name, &subscripts);
+    unsigned int registerOffset =
+        mState.getUniforms()[uniformIndex].parentArrayIndex() * d3dUniform->getArraySizeProduct();
+
+    const gl::Shader *computeShader = mState.getAttachedShader(gl::ShaderType::Compute);
+    if (computeShader)
+    {
+        const ShaderD3D *computeShaderD3D =
+            GetImplAs<ShaderD3D>(mState.getAttachedShader(gl::ShaderType::Compute));
+        ASSERT(computeShaderD3D->hasUniform(baseName));
+        d3dUniform->mShaderRegisterIndexes[gl::ShaderType::Compute] =
+            computeShaderD3D->getUniformRegister(baseName) + registerOffset;
+        ASSERT(d3dUniform->mShaderRegisterIndexes[gl::ShaderType::Compute] != GL_INVALID_INDEX);
+        auto bindingIter = mImageBindingMap.find(baseName);
+        ASSERT(bindingIter != mImageBindingMap.end());
+        if (d3dUniform->regType == HLSLRegisterType::Texture)
+        {
+            AssignImages(d3dUniform->mShaderRegisterIndexes[gl::ShaderType::Compute],
+                         bindingIter->second, d3dUniform->getArraySizeProduct(),
+                         mReadonlyImages[gl::ShaderType::Compute],
+                         &mUsedReadonlyImageRange[gl::ShaderType::Compute]);
+        }
+        else if (d3dUniform->regType == HLSLRegisterType::UnorderedAccessView)
+        {
+            AssignImages(d3dUniform->mShaderRegisterIndexes[gl::ShaderType::Compute],
+                         bindingIter->second, d3dUniform->getArraySizeProduct(),
+                         mImages[gl::ShaderType::Compute],
+                         &mUsedImageRange[gl::ShaderType::Compute]);
+        }
+        else
+        {
+            UNREACHABLE();
+        }
+    }
+    else
+    {
+        // TODO(xinghua.cao@intel.com): Implement image variables in vertex shader and pixel shader.
+        UNIMPLEMENTED();
+    }
+}
+
+// static
+void ProgramD3D::AssignImages(unsigned int startImageIndex,
+                              int startLogicalImageUnit,
+                              unsigned int imageCount,
+                              std::vector<Image> &outImages,
+                              gl::RangeUI *outUsedRange)
+{
+    unsigned int imageIndex = startImageIndex;
+
+    // If declare without a binding qualifier, any uniform image variable (include all elements of
+    // unbound image array) shoud be bound to unit zero.
+    if (startLogicalImageUnit == -1)
+    {
+        ASSERT(imageIndex < outImages.size());
+        Image *image            = &outImages[imageIndex];
+        image->active           = true;
+        image->logicalImageUnit = 0;
+        outUsedRange->extend(imageIndex);
+        return;
+    }
+
+    unsigned int logcalImageUnit = startLogicalImageUnit;
+    do
+    {
+        ASSERT(imageIndex < outImages.size());
+        Image *image            = &outImages[imageIndex];
+        image->active           = true;
+        image->logicalImageUnit = logcalImageUnit;
+        outUsedRange->extend(imageIndex);
+        imageIndex++;
+        logcalImageUnit++;
+    } while (imageIndex < startImageIndex + imageCount);
+}
+
+void ProgramD3D::assignImage2DRegisters(gl::ShaderType shaderType,
+                                        unsigned int startImageIndex,
+                                        int startLogicalImageUnit,
+                                        bool readonly)
+{
+    if (readonly)
+    {
+        AssignImages(startImageIndex, startLogicalImageUnit, 1, mReadonlyImages[shaderType],
+                     &mUsedReadonlyImageRange[shaderType]);
+    }
+    else
+    {
+        AssignImages(startImageIndex, startLogicalImageUnit, 1, mImages[shaderType],
+                     &mUsedImageRange[shaderType]);
+    }
+}
+
+void ProgramD3D::reset()
+{
+    mVertexExecutables.clear();
+    mPixelExecutables.clear();
+    mComputeExecutables.clear();
+
+    for (auto &geometryExecutable : mGeometryExecutables)
+    {
+        geometryExecutable.reset(nullptr);
+    }
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        mShaderHLSL[shaderType].clear();
+    }
+
+    mUsesFragDepth            = false;
+    mHasANGLEMultiviewEnabled = false;
+    mUsesVertexID             = false;
+    mUsesViewID               = false;
+    mPixelShaderKey.clear();
+    mUsesPointSize         = false;
+    mUsesFlatInterpolation = false;
+
+    SafeDeleteContainer(mD3DUniforms);
+    mD3DUniformBlocks.clear();
+    mD3DShaderStorageBlocks.clear();
+    mComputeAtomicCounterBufferRegisterIndices.fill({});
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        mShaderUniformStorages[shaderType].reset();
+        mShaderSamplers[shaderType].clear();
+        mImages[shaderType].clear();
+        mReadonlyImages[shaderType].clear();
+    }
+
+    mUsedShaderSamplerRanges.fill({0, 0});
+    mUsedAtomicCounterRange.fill({0, 0});
+    mDirtySamplerMapping = true;
+    mUsedImageRange.fill({0, 0});
+    mUsedReadonlyImageRange.fill({0, 0});
+
+    mAttribLocationToD3DSemantic.fill(-1);
+
+    mStreamOutVaryings.clear();
+
+    mGeometryShaderPreamble.clear();
+
+    markUniformsClean();
+
+    mCachedPixelExecutableIndex.reset();
+    mCachedVertexExecutableIndex.reset();
+}
+
+unsigned int ProgramD3D::getSerial() const
+{
+    return mSerial;
+}
+
+unsigned int ProgramD3D::issueSerial()
+{
+    return mCurrentSerial++;
+}
+
+void ProgramD3D::initAttribLocationsToD3DSemantic(const gl::Context *context)
+{
+    gl::Shader *vertexShader = mState.getAttachedShader(gl::ShaderType::Vertex);
+    if (!vertexShader)
+    {
+        return;
+    }
+
+    // Init semantic index
+    int semanticIndex = 0;
+    for (const sh::ShaderVariable &attribute : vertexShader->getActiveAttributes(context))
+    {
+        int regCount    = gl::VariableRegisterCount(attribute.type);
+        GLuint location = mState.getAttributeLocation(attribute.name);
+        ASSERT(location != std::numeric_limits<GLuint>::max());
+
+        for (int reg = 0; reg < regCount; ++reg)
+        {
+            mAttribLocationToD3DSemantic[location + reg] = semanticIndex++;
+        }
+    }
+}
+
+void ProgramD3D::updateCachedInputLayout(Serial associatedSerial, const gl::State &state)
+{
+    if (mCurrentVertexArrayStateSerial == associatedSerial)
+    {
+        return;
+    }
+
+    mCurrentVertexArrayStateSerial = associatedSerial;
+    mCachedInputLayout.clear();
+
+    const auto &vertexAttributes = state.getVertexArray()->getVertexAttributes();
+    const gl::AttributesMask &attributesMask =
+        mState.getExecutable().getActiveAttribLocationsMask();
+
+    for (size_t locationIndex : attributesMask)
+    {
+        int d3dSemantic = mAttribLocationToD3DSemantic[locationIndex];
+
+        if (d3dSemantic != -1)
+        {
+            if (mCachedInputLayout.size() < static_cast<size_t>(d3dSemantic + 1))
+            {
+                mCachedInputLayout.resize(d3dSemantic + 1, angle::FormatID::NONE);
+            }
+            mCachedInputLayout[d3dSemantic] =
+                GetVertexFormatID(vertexAttributes[locationIndex],
+                                  state.getVertexAttribCurrentValue(locationIndex).Type);
+        }
+    }
+
+    VertexExecutable::getSignature(mRenderer, mCachedInputLayout, &mCachedVertexSignature);
+
+    updateCachedVertexExecutableIndex();
+}
+
+void ProgramD3D::updateCachedOutputLayout(const gl::Context *context,
+                                          const gl::Framebuffer *framebuffer)
+{
+    mPixelShaderOutputLayoutCache.clear();
+
+    FramebufferD3D *fboD3D   = GetImplAs<FramebufferD3D>(framebuffer);
+    const auto &colorbuffers = fboD3D->getColorAttachmentsForRender(context);
+
+    for (size_t colorAttachment = 0; colorAttachment < colorbuffers.size(); ++colorAttachment)
+    {
+        const gl::FramebufferAttachment *colorbuffer = colorbuffers[colorAttachment];
+
+        if (colorbuffer)
+        {
+            auto binding    = colorbuffer->getBinding() == GL_BACK ? GL_COLOR_ATTACHMENT0
+                                                                   : colorbuffer->getBinding();
+            size_t maxIndex = binding != GL_NONE ? GetMaxOutputIndex(mPixelShaderKey,
+                                                                     binding - GL_COLOR_ATTACHMENT0)
+                                                 : 0;
+            mPixelShaderOutputLayoutCache.insert(mPixelShaderOutputLayoutCache.end(), maxIndex + 1,
+                                                 binding);
+        }
+        else
+        {
+            mPixelShaderOutputLayoutCache.push_back(GL_NONE);
+        }
+    }
+
+    updateCachedPixelExecutableIndex();
+}
+
+void ProgramD3D::updateCachedComputeImage2DBindLayout(const gl::Context *context)
+{
+    const auto &glState = context->getState();
+    for (auto &image2DBindLayout : mImage2DBindLayoutCache[gl::ShaderType::Compute])
+    {
+        const gl::ImageUnit &imageUnit = glState.getImageUnit(image2DBindLayout.first);
+        if (imageUnit.texture.get())
+        {
+            image2DBindLayout.second = imageUnit.texture->getType();
+        }
+        else
+        {
+            image2DBindLayout.second = gl::TextureType::_2D;
+        }
+    }
+
+    updateCachedComputeExecutableIndex();
+}
+
+void ProgramD3D::gatherTransformFeedbackVaryings(const gl::VaryingPacking &varyingPacking,
+                                                 const BuiltinInfo &builtins)
+{
+    const std::string &varyingSemantic =
+        GetVaryingSemantic(mRenderer->getMajorShaderModel(), usesPointSize());
+
+    // Gather the linked varyings that are used for transform feedback, they should all exist.
+    mStreamOutVaryings.clear();
+
+    const auto &tfVaryingNames = mState.getTransformFeedbackVaryingNames();
+    for (unsigned int outputSlot = 0; outputSlot < static_cast<unsigned int>(tfVaryingNames.size());
+         ++outputSlot)
+    {
+        const auto &tfVaryingName = tfVaryingNames[outputSlot];
+        if (tfVaryingName == "gl_Position")
+        {
+            if (builtins.glPosition.enabled)
+            {
+                mStreamOutVaryings.emplace_back(builtins.glPosition.semantic,
+                                                builtins.glPosition.index, 4, outputSlot);
+            }
+        }
+        else if (tfVaryingName == "gl_FragCoord")
+        {
+            if (builtins.glFragCoord.enabled)
+            {
+                mStreamOutVaryings.emplace_back(builtins.glFragCoord.semantic,
+                                                builtins.glFragCoord.index, 4, outputSlot);
+            }
+        }
+        else if (tfVaryingName == "gl_PointSize")
+        {
+            if (builtins.glPointSize.enabled)
+            {
+                mStreamOutVaryings.emplace_back("PSIZE", 0, 1, outputSlot);
+            }
+        }
+        else
+        {
+            const auto &registerInfos = varyingPacking.getRegisterList();
+            for (GLuint registerIndex = 0u; registerIndex < registerInfos.size(); ++registerIndex)
+            {
+                const auto &registerInfo = registerInfos[registerIndex];
+                const auto &varying      = registerInfo.packedVarying->varying();
+                GLenum transposedType    = gl::TransposeMatrixType(varying.type);
+                int componentCount       = gl::VariableColumnCount(transposedType);
+                ASSERT(!varying.isBuiltIn() && !varying.isStruct());
+
+                // There can be more than one register assigned to a particular varying, and each
+                // register needs its own stream out entry.
+                if (registerInfo.tfVaryingName() == tfVaryingName)
+                {
+                    mStreamOutVaryings.emplace_back(varyingSemantic, registerIndex, componentCount,
+                                                    outputSlot);
+                }
+            }
+        }
+    }
+}
+
+D3DUniform *ProgramD3D::getD3DUniformFromLocation(GLint location)
+{
+    return mD3DUniforms[mState.getUniformLocations()[location].index];
+}
+
+const D3DUniform *ProgramD3D::getD3DUniformFromLocation(GLint location) const
+{
+    return mD3DUniforms[mState.getUniformLocations()[location].index];
+}
+
+bool ProgramD3D::hasVertexExecutableForCachedInputLayout()
+{
+    return mCachedVertexExecutableIndex.valid();
+}
+
+bool ProgramD3D::hasGeometryExecutableForPrimitiveType(const gl::State &state,
+                                                       gl::PrimitiveMode drawMode)
+{
+    if (!usesGeometryShader(state, drawMode))
+    {
+        // No shader necessary mean we have the required (null) executable.
+        return true;
+    }
+
+    gl::PrimitiveMode geometryShaderType = GetGeometryShaderTypeFromDrawMode(drawMode);
+    return mGeometryExecutables[geometryShaderType].get() != nullptr;
+}
+
+bool ProgramD3D::hasPixelExecutableForCachedOutputLayout()
+{
+    return mCachedPixelExecutableIndex.valid();
+}
+
+bool ProgramD3D::hasComputeExecutableForCachedImage2DBindLayout()
+{
+    return mCachedComputeExecutableIndex.valid();
+}
+
+template <typename DestT>
+void ProgramD3D::getUniformInternal(GLint location, DestT *dataOut) const
+{
+    const gl::VariableLocation &locationInfo = mState.getUniformLocations()[location];
+    const gl::LinkedUniform &uniform         = mState.getUniforms()[locationInfo.index];
+
+    const D3DUniform *targetUniform = getD3DUniformFromLocation(location);
+    const uint8_t *srcPointer       = targetUniform->getDataPtrToElement(locationInfo.arrayIndex);
+
+    if (gl::IsMatrixType(uniform.type))
+    {
+        GetMatrixUniform(uniform.type, dataOut, reinterpret_cast<const DestT *>(srcPointer), true);
+    }
+    else
+    {
+        memcpy(dataOut, srcPointer, uniform.getElementSize());
+    }
+}
+
+void ProgramD3D::getUniformfv(const gl::Context *context, GLint location, GLfloat *params) const
+{
+    getUniformInternal(location, params);
+}
+
+void ProgramD3D::getUniformiv(const gl::Context *context, GLint location, GLint *params) const
+{
+    getUniformInternal(location, params);
+}
+
+void ProgramD3D::getUniformuiv(const gl::Context *context, GLint location, GLuint *params) const
+{
+    getUniformInternal(location, params);
+}
+
+void ProgramD3D::updateCachedVertexExecutableIndex()
+{
+    mCachedVertexExecutableIndex.reset();
+    for (size_t executableIndex = 0; executableIndex < mVertexExecutables.size(); executableIndex++)
+    {
+        if (mVertexExecutables[executableIndex]->matchesSignature(mCachedVertexSignature))
+        {
+            mCachedVertexExecutableIndex = executableIndex;
+            break;
+        }
+    }
+}
+
+void ProgramD3D::updateCachedPixelExecutableIndex()
+{
+    mCachedPixelExecutableIndex.reset();
+    for (size_t executableIndex = 0; executableIndex < mPixelExecutables.size(); executableIndex++)
+    {
+        if (mPixelExecutables[executableIndex]->matchesSignature(mPixelShaderOutputLayoutCache))
+        {
+            mCachedPixelExecutableIndex = executableIndex;
+            break;
+        }
+    }
+}
+
+void ProgramD3D::updateCachedComputeExecutableIndex()
+{
+    mCachedComputeExecutableIndex.reset();
+    for (size_t executableIndex = 0; executableIndex < mComputeExecutables.size();
+         executableIndex++)
+    {
+        if (mComputeExecutables[executableIndex]->matchesSignature(
+                mImage2DBindLayoutCache[gl::ShaderType::Compute]))
+        {
+            mCachedComputeExecutableIndex = executableIndex;
+            break;
+        }
+    }
+}
+
+void ProgramD3D::linkResources(const gl::Context *context,
+                               const gl::ProgramLinkedResources &resources)
+{
+    HLSLBlockLayoutEncoderFactory hlslEncoderFactory;
+    gl::ProgramLinkedResourcesLinker linker(&hlslEncoderFactory);
+
+    linker.linkResources(context, mState, resources);
+
+    initializeUniformBlocks();
+    initializeShaderStorageBlocks(context);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ProgramD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ProgramD3D.h
new file mode 100644
index 0000000000..baa77fcb79
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ProgramD3D.h
@@ -0,0 +1,613 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ProgramD3D.h: Defines the rx::ProgramD3D class which implements rx::ProgramImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_PROGRAMD3D_H_
+#define LIBANGLE_RENDERER_D3D_PROGRAMD3D_H_
+
+#include <string>
+#include <vector>
+
+#include "compiler/translator/blocklayoutHLSL.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/ProgramImpl.h"
+#include "libANGLE/renderer/d3d/DynamicHLSL.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "platform/FeaturesD3D_autogen.h"
+
+namespace rx
+{
+class RendererD3D;
+class UniformStorageD3D;
+class ShaderExecutableD3D;
+
+#if !defined(ANGLE_COMPILE_OPTIMIZATION_LEVEL)
+// WARNING: D3DCOMPILE_OPTIMIZATION_LEVEL3 may lead to a DX9 shader compiler hang.
+// It should only be used selectively to work around specific bugs.
+#    define ANGLE_COMPILE_OPTIMIZATION_LEVEL D3DCOMPILE_OPTIMIZATION_LEVEL1
+#endif
+
+enum class HLSLRegisterType : uint8_t
+{
+    None                = 0,
+    Texture             = 1,
+    UnorderedAccessView = 2
+};
+
+// Helper struct representing a single shader uniform
+// TODO(jmadill): Make uniform blocks shared between all programs, so we don't need separate
+// register indices.
+struct D3DUniform : private angle::NonCopyable
+{
+    D3DUniform(GLenum type,
+               HLSLRegisterType reg,
+               const std::string &nameIn,
+               const std::vector<unsigned int> &arraySizesIn,
+               bool defaultBlock);
+    ~D3DUniform();
+
+    bool isSampler() const;
+    bool isImage() const;
+    bool isImage2D() const;
+    bool isArray() const { return !arraySizes.empty(); }
+    unsigned int getArraySizeProduct() const;
+    bool isReferencedByShader(gl::ShaderType shaderType) const;
+
+    const uint8_t *firstNonNullData() const;
+    const uint8_t *getDataPtrToElement(size_t elementIndex) const;
+
+    // Duplicated from the GL layer
+    const gl::UniformTypeInfo &typeInfo;
+    std::string name;  // Names of arrays don't include [0], unlike at the GL layer.
+    std::vector<unsigned int> arraySizes;
+
+    // Pointer to a system copies of the data. Separate pointers for each uniform storage type.
+    gl::ShaderMap<uint8_t *> mShaderData;
+
+    // Register information.
+    HLSLRegisterType regType;
+    gl::ShaderMap<unsigned int> mShaderRegisterIndexes;
+    unsigned int registerCount;
+
+    // Register "elements" are used for uniform structs in ES3, to appropriately identify single
+    // uniforms
+    // inside aggregate types, which are packed according C-like structure rules.
+    unsigned int registerElement;
+
+    // Special buffer for sampler values.
+    std::vector<GLint> mSamplerData;
+};
+
+struct D3DInterfaceBlock
+{
+    D3DInterfaceBlock();
+    D3DInterfaceBlock(const D3DInterfaceBlock &other);
+
+    bool activeInShader(gl::ShaderType shaderType) const
+    {
+        return mShaderRegisterIndexes[shaderType] != GL_INVALID_INDEX;
+    }
+
+    gl::ShaderMap<unsigned int> mShaderRegisterIndexes;
+};
+
+struct D3DUniformBlock : D3DInterfaceBlock
+{
+    D3DUniformBlock();
+    D3DUniformBlock(const D3DUniformBlock &other);
+
+    gl::ShaderMap<bool> mUseStructuredBuffers;
+    gl::ShaderMap<unsigned int> mByteWidths;
+    gl::ShaderMap<unsigned int> mStructureByteStrides;
+};
+
+struct ShaderStorageBlock
+{
+    std::string name;
+    unsigned int arraySize     = 0;
+    unsigned int registerIndex = 0;
+};
+
+struct D3DUBOCache
+{
+    unsigned int registerIndex;
+    int binding;
+};
+
+struct D3DUBOCacheUseSB : D3DUBOCache
+{
+    unsigned int byteWidth;
+    unsigned int structureByteStride;
+};
+
+struct D3DVarying final
+{
+    D3DVarying();
+    D3DVarying(const std::string &semanticNameIn,
+               unsigned int semanticIndexIn,
+               unsigned int componentCountIn,
+               unsigned int outputSlotIn);
+
+    D3DVarying(const D3DVarying &)            = default;
+    D3DVarying &operator=(const D3DVarying &) = default;
+
+    std::string semanticName;
+    unsigned int semanticIndex;
+    unsigned int componentCount;
+    unsigned int outputSlot;
+};
+
+class ProgramD3DMetadata final : angle::NonCopyable
+{
+  public:
+    ProgramD3DMetadata(RendererD3D *renderer,
+                       const gl::ShaderMap<const ShaderD3D *> &attachedShaders,
+                       EGLenum clientType);
+    ~ProgramD3DMetadata();
+
+    int getRendererMajorShaderModel() const;
+    bool usesBroadcast(const gl::State &data) const;
+    bool usesSecondaryColor() const;
+    bool usesFragDepth() const;
+    bool usesPointCoord() const;
+    bool usesFragCoord() const;
+    bool usesPointSize() const;
+    bool usesInsertedPointCoordValue() const;
+    bool usesViewScale() const;
+    bool hasANGLEMultiviewEnabled() const;
+    bool usesVertexID() const;
+    bool usesViewID() const;
+    bool canSelectViewInVertexShader() const;
+    bool addsPointCoordToVertexShader() const;
+    bool usesTransformFeedbackGLPosition() const;
+    bool usesSystemValuePointSize() const;
+    bool usesMultipleFragmentOuts() const;
+    bool usesCustomOutVars() const;
+    const ShaderD3D *getFragmentShader() const;
+
+  private:
+    const int mRendererMajorShaderModel;
+    const std::string mShaderModelSuffix;
+    const bool mUsesInstancedPointSpriteEmulation;
+    const bool mUsesViewScale;
+    const bool mCanSelectViewInVertexShader;
+    const gl::ShaderMap<const ShaderD3D *> mAttachedShaders;
+    const EGLenum mClientType;
+};
+
+using D3DUniformMap = std::map<std::string, D3DUniform *>;
+
+class ProgramD3D : public ProgramImpl
+{
+  public:
+    ProgramD3D(const gl::ProgramState &data, RendererD3D *renderer);
+    ~ProgramD3D() override;
+
+    const std::vector<PixelShaderOutputVariable> &getPixelShaderKey() { return mPixelShaderKey; }
+
+    GLint getSamplerMapping(gl::ShaderType type,
+                            unsigned int samplerIndex,
+                            const gl::Caps &caps) const;
+    gl::TextureType getSamplerTextureType(gl::ShaderType type, unsigned int samplerIndex) const;
+    gl::RangeUI getUsedSamplerRange(gl::ShaderType type) const;
+
+    enum SamplerMapping
+    {
+        WasDirty,
+        WasClean,
+    };
+
+    SamplerMapping updateSamplerMapping();
+
+    GLint getImageMapping(gl::ShaderType type,
+                          unsigned int imageIndex,
+                          bool readonly,
+                          const gl::Caps &caps) const;
+    gl::RangeUI getUsedImageRange(gl::ShaderType type, bool readonly) const;
+
+    bool usesPointSize() const { return mUsesPointSize; }
+    bool usesPointSpriteEmulation() const;
+    bool usesGeometryShader(const gl::State &state, gl::PrimitiveMode drawMode) const;
+    bool usesGeometryShaderForPointSpriteEmulation() const;
+    bool usesGetDimensionsIgnoresBaseLevel() const;
+    bool usesInstancedPointSpriteEmulation() const;
+
+    std::unique_ptr<LinkEvent> load(const gl::Context *context,
+                                    gl::BinaryInputStream *stream,
+                                    gl::InfoLog &infoLog) override;
+    void save(const gl::Context *context, gl::BinaryOutputStream *stream) override;
+    void setBinaryRetrievableHint(bool retrievable) override;
+    void setSeparable(bool separable) override;
+
+    angle::Result getVertexExecutableForCachedInputLayout(d3d::Context *context,
+                                                          ShaderExecutableD3D **outExectuable,
+                                                          gl::InfoLog *infoLog);
+    angle::Result getGeometryExecutableForPrimitiveType(d3d::Context *errContext,
+                                                        const gl::State &state,
+                                                        gl::PrimitiveMode drawMode,
+                                                        ShaderExecutableD3D **outExecutable,
+                                                        gl::InfoLog *infoLog);
+    angle::Result getPixelExecutableForCachedOutputLayout(d3d::Context *context,
+                                                          ShaderExecutableD3D **outExectuable,
+                                                          gl::InfoLog *infoLog);
+    angle::Result getComputeExecutableForImage2DBindLayout(const gl::Context *glContext,
+                                                           d3d::Context *context,
+                                                           ShaderExecutableD3D **outExecutable,
+                                                           gl::InfoLog *infoLog);
+    std::unique_ptr<LinkEvent> link(const gl::Context *context,
+                                    const gl::ProgramLinkedResources &resources,
+                                    gl::InfoLog &infoLog,
+                                    const gl::ProgramMergedVaryings &mergedVaryings) override;
+    GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog) override;
+
+    void updateUniformBufferCache(const gl::Caps &caps);
+
+    unsigned int getAtomicCounterBufferRegisterIndex(GLuint binding,
+                                                     gl::ShaderType shaderType) const;
+
+    unsigned int getShaderStorageBufferRegisterIndex(GLuint blockIndex,
+                                                     gl::ShaderType shaderType) const;
+    const std::vector<D3DUBOCache> &getShaderUniformBufferCache(gl::ShaderType shaderType) const;
+    const std::vector<D3DUBOCacheUseSB> &getShaderUniformBufferCacheUseSB(
+        gl::ShaderType shaderType) const;
+
+    void dirtyAllUniforms();
+
+    void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) override;
+    void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) override;
+    void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) override;
+    void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) override;
+    void setUniform1iv(GLint location, GLsizei count, const GLint *v) override;
+    void setUniform2iv(GLint location, GLsizei count, const GLint *v) override;
+    void setUniform3iv(GLint location, GLsizei count, const GLint *v) override;
+    void setUniform4iv(GLint location, GLsizei count, const GLint *v) override;
+    void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) override;
+    void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) override;
+    void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) override;
+    void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) override;
+    void setUniformMatrix2fv(GLint location,
+                             GLsizei count,
+                             GLboolean transpose,
+                             const GLfloat *value) override;
+    void setUniformMatrix3fv(GLint location,
+                             GLsizei count,
+                             GLboolean transpose,
+                             const GLfloat *value) override;
+    void setUniformMatrix4fv(GLint location,
+                             GLsizei count,
+                             GLboolean transpose,
+                             const GLfloat *value) override;
+    void setUniformMatrix2x3fv(GLint location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value) override;
+    void setUniformMatrix3x2fv(GLint location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value) override;
+    void setUniformMatrix2x4fv(GLint location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value) override;
+    void setUniformMatrix4x2fv(GLint location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value) override;
+    void setUniformMatrix3x4fv(GLint location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value) override;
+    void setUniformMatrix4x3fv(GLint location,
+                               GLsizei count,
+                               GLboolean transpose,
+                               const GLfloat *value) override;
+
+    void getUniformfv(const gl::Context *context, GLint location, GLfloat *params) const override;
+    void getUniformiv(const gl::Context *context, GLint location, GLint *params) const override;
+    void getUniformuiv(const gl::Context *context, GLint location, GLuint *params) const override;
+
+    UniformStorageD3D *getShaderUniformStorage(gl::ShaderType shaderType) const
+    {
+        return mShaderUniformStorages[shaderType].get();
+    }
+
+    unsigned int getSerial() const;
+
+    const AttribIndexArray &getAttribLocationToD3DSemantics() const
+    {
+        return mAttribLocationToD3DSemantic;
+    }
+
+    void updateCachedInputLayout(Serial associatedSerial, const gl::State &state);
+    void updateCachedOutputLayout(const gl::Context *context, const gl::Framebuffer *framebuffer);
+    void updateCachedComputeImage2DBindLayout(const gl::Context *context);
+
+    bool isSamplerMappingDirty() { return mDirtySamplerMapping; }
+
+    // Checks if we need to recompile certain shaders.
+    bool hasVertexExecutableForCachedInputLayout();
+    bool hasGeometryExecutableForPrimitiveType(const gl::State &state, gl::PrimitiveMode drawMode);
+    bool hasPixelExecutableForCachedOutputLayout();
+    bool hasComputeExecutableForCachedImage2DBindLayout();
+
+    bool anyShaderUniformsDirty() const { return mShaderUniformsDirty.any(); }
+
+    bool areShaderUniformsDirty(gl::ShaderType shaderType) const
+    {
+        return mShaderUniformsDirty[shaderType];
+    }
+    const std::vector<D3DUniform *> &getD3DUniforms() const { return mD3DUniforms; }
+    void markUniformsClean();
+
+    const gl::ProgramState &getState() const { return mState; }
+
+    bool hasShaderStage(gl::ShaderType shaderType) const
+    {
+        return mState.getExecutable().getLinkedShaderStages()[shaderType];
+    }
+
+    void assignImage2DRegisters(gl::ShaderType shaderType,
+                                unsigned int startImageIndex,
+                                int startLogicalImageUnit,
+                                bool readonly);
+    bool hasNamedUniform(const std::string &name);
+
+    bool usesVertexID() const { return mUsesVertexID; }
+
+  private:
+    // These forward-declared tasks are used for multi-thread shader compiles.
+    class GetExecutableTask;
+    class GetVertexExecutableTask;
+    class GetPixelExecutableTask;
+    class GetGeometryExecutableTask;
+    class GetComputeExecutableTask;
+    class GraphicsProgramLinkEvent;
+    class ComputeProgramLinkEvent;
+
+    class LoadBinaryTask;
+    class LoadBinaryLinkEvent;
+
+    class VertexExecutable
+    {
+      public:
+        enum HLSLAttribType
+        {
+            FLOAT,
+            UNSIGNED_INT,
+            SIGNED_INT,
+        };
+
+        typedef std::vector<HLSLAttribType> Signature;
+
+        VertexExecutable(const gl::InputLayout &inputLayout,
+                         const Signature &signature,
+                         ShaderExecutableD3D *shaderExecutable);
+        ~VertexExecutable();
+
+        bool matchesSignature(const Signature &signature) const;
+        static void getSignature(RendererD3D *renderer,
+                                 const gl::InputLayout &inputLayout,
+                                 Signature *signatureOut);
+
+        const gl::InputLayout &inputs() const { return mInputs; }
+        const Signature &signature() const { return mSignature; }
+        ShaderExecutableD3D *shaderExecutable() const { return mShaderExecutable; }
+
+      private:
+        static HLSLAttribType GetAttribType(GLenum type);
+
+        gl::InputLayout mInputs;
+        Signature mSignature;
+        ShaderExecutableD3D *mShaderExecutable;
+    };
+
+    class PixelExecutable
+    {
+      public:
+        PixelExecutable(const std::vector<GLenum> &outputSignature,
+                        ShaderExecutableD3D *shaderExecutable);
+        ~PixelExecutable();
+
+        bool matchesSignature(const std::vector<GLenum> &signature) const
+        {
+            return mOutputSignature == signature;
+        }
+
+        const std::vector<GLenum> &outputSignature() const { return mOutputSignature; }
+        ShaderExecutableD3D *shaderExecutable() const { return mShaderExecutable; }
+
+      private:
+        std::vector<GLenum> mOutputSignature;
+        ShaderExecutableD3D *mShaderExecutable;
+    };
+
+    class ComputeExecutable
+    {
+      public:
+        ComputeExecutable(const gl::ImageUnitTextureTypeMap &signature,
+                          std::unique_ptr<ShaderExecutableD3D> shaderExecutable);
+        ~ComputeExecutable();
+
+        bool matchesSignature(const gl::ImageUnitTextureTypeMap &signature) const
+        {
+            return mSignature == signature;
+        }
+
+        const gl::ImageUnitTextureTypeMap &signature() const { return mSignature; }
+        ShaderExecutableD3D *shaderExecutable() const { return mShaderExecutable.get(); }
+
+      private:
+        gl::ImageUnitTextureTypeMap mSignature;
+        std::unique_ptr<ShaderExecutableD3D> mShaderExecutable;
+    };
+
+    struct Sampler
+    {
+        Sampler();
+
+        bool active;
+        GLint logicalTextureUnit;
+        gl::TextureType textureType;
+    };
+
+    struct Image
+    {
+        Image();
+        bool active;
+        GLint logicalImageUnit;
+    };
+
+    void initializeUniformStorage(const gl::ShaderBitSet &availableShaderStages);
+
+    void defineUniformsAndAssignRegisters(const gl::Context *context);
+    void defineUniformBase(const gl::Shader *shader,
+                           const sh::ShaderVariable &uniform,
+                           D3DUniformMap *uniformMap);
+    void assignAllSamplerRegisters();
+    void assignSamplerRegisters(size_t uniformIndex);
+
+    static void AssignSamplers(unsigned int startSamplerIndex,
+                               const gl::UniformTypeInfo &typeInfo,
+                               unsigned int samplerCount,
+                               std::vector<Sampler> &outSamplers,
+                               gl::RangeUI *outUsedRange);
+
+    void assignAllImageRegisters();
+    void assignAllAtomicCounterRegisters();
+    void assignImageRegisters(size_t uniformIndex);
+    static void AssignImages(unsigned int startImageIndex,
+                             int startLogicalImageUnit,
+                             unsigned int imageCount,
+                             std::vector<Image> &outImages,
+                             gl::RangeUI *outUsedRange);
+
+    template <typename DestT>
+    void getUniformInternal(GLint location, DestT *dataOut) const;
+
+    template <typename T>
+    void setUniformImpl(D3DUniform *targetUniform,
+                        const gl::VariableLocation &locationInfo,
+                        GLsizei count,
+                        const T *v,
+                        uint8_t *targetData,
+                        GLenum uniformType);
+
+    template <typename T>
+    void setUniformInternal(GLint location, GLsizei count, const T *v, GLenum uniformType);
+
+    template <int cols, int rows>
+    void setUniformMatrixfvInternal(GLint location,
+                                    GLsizei count,
+                                    GLboolean transpose,
+                                    const GLfloat *value);
+
+    std::unique_ptr<LinkEvent> compileProgramExecutables(const gl::Context *context,
+                                                         gl::InfoLog &infoLog);
+    std::unique_ptr<LinkEvent> compileComputeExecutable(const gl::Context *context,
+                                                        gl::InfoLog &infoLog);
+
+    angle::Result loadBinaryShaderExecutables(d3d::Context *contextD3D,
+                                              gl::BinaryInputStream *stream,
+                                              gl::InfoLog &infoLog);
+
+    void gatherTransformFeedbackVaryings(const gl::VaryingPacking &varyings,
+                                         const BuiltinInfo &builtins);
+    D3DUniform *getD3DUniformFromLocation(GLint location);
+    const D3DUniform *getD3DUniformFromLocation(GLint location) const;
+
+    void initAttribLocationsToD3DSemantic(const gl::Context *context);
+
+    void reset();
+    void initializeUniformBlocks();
+    void initializeShaderStorageBlocks(const gl::Context *context);
+
+    void updateCachedInputLayoutFromShader(const gl::Context *context);
+    void updateCachedOutputLayoutFromShader();
+    void updateCachedImage2DBindLayoutFromShader(gl::ShaderType shaderType);
+    void updateCachedVertexExecutableIndex();
+    void updateCachedPixelExecutableIndex();
+    void updateCachedComputeExecutableIndex();
+
+    void linkResources(const gl::Context *context, const gl::ProgramLinkedResources &resources);
+
+    RendererD3D *mRenderer;
+    DynamicHLSL *mDynamicHLSL;
+
+    std::vector<std::unique_ptr<VertexExecutable>> mVertexExecutables;
+    std::vector<std::unique_ptr<PixelExecutable>> mPixelExecutables;
+    angle::PackedEnumMap<gl::PrimitiveMode, std::unique_ptr<ShaderExecutableD3D>>
+        mGeometryExecutables;
+    std::vector<std::unique_ptr<ComputeExecutable>> mComputeExecutables;
+
+    gl::ShaderMap<std::string> mShaderHLSL;
+    gl::ShaderMap<CompilerWorkaroundsD3D> mShaderWorkarounds;
+
+    bool mUsesFragDepth;
+    bool mHasANGLEMultiviewEnabled;
+    bool mUsesVertexID;
+    bool mUsesViewID;
+    std::vector<PixelShaderOutputVariable> mPixelShaderKey;
+
+    // Common code for all dynamic geometry shaders. Consists mainly of the GS input and output
+    // structures, built from the linked varying info. We store the string itself instead of the
+    // packed varyings for simplicity.
+    std::string mGeometryShaderPreamble;
+
+    bool mUsesPointSize;
+    bool mUsesFlatInterpolation;
+
+    gl::ShaderMap<std::unique_ptr<UniformStorageD3D>> mShaderUniformStorages;
+
+    gl::ShaderMap<std::vector<Sampler>> mShaderSamplers;
+    gl::ShaderMap<gl::RangeUI> mUsedShaderSamplerRanges;
+    bool mDirtySamplerMapping;
+
+    gl::ShaderMap<std::vector<Image>> mImages;
+    gl::ShaderMap<std::vector<Image>> mReadonlyImages;
+    gl::ShaderMap<gl::RangeUI> mUsedImageRange;
+    gl::ShaderMap<gl::RangeUI> mUsedReadonlyImageRange;
+    gl::ShaderMap<gl::RangeUI> mUsedAtomicCounterRange;
+
+    // Cache for pixel shader output layout to save reallocations.
+    std::vector<GLenum> mPixelShaderOutputLayoutCache;
+    Optional<size_t> mCachedPixelExecutableIndex;
+
+    AttribIndexArray mAttribLocationToD3DSemantic;
+
+    unsigned int mSerial;
+
+    gl::ShaderMap<std::vector<D3DUBOCache>> mShaderUBOCaches;
+    gl::ShaderMap<std::vector<D3DUBOCacheUseSB>> mShaderUBOCachesUseSB;
+    VertexExecutable::Signature mCachedVertexSignature;
+    gl::InputLayout mCachedInputLayout;
+    Optional<size_t> mCachedVertexExecutableIndex;
+
+    std::vector<D3DVarying> mStreamOutVaryings;
+    std::vector<D3DUniform *> mD3DUniforms;
+    std::map<std::string, int> mImageBindingMap;
+    std::map<std::string, int> mAtomicBindingMap;
+    std::vector<D3DUniformBlock> mD3DUniformBlocks;
+    std::vector<D3DInterfaceBlock> mD3DShaderStorageBlocks;
+    gl::ShaderMap<std::vector<ShaderStorageBlock>> mShaderStorageBlocks;
+    std::array<unsigned int, gl::IMPLEMENTATION_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS>
+        mComputeAtomicCounterBufferRegisterIndices;
+
+    gl::ShaderMap<std::vector<sh::ShaderVariable>> mImage2DUniforms;
+    gl::ShaderMap<gl::ImageUnitTextureTypeMap> mImage2DBindLayoutCache;
+    Optional<size_t> mCachedComputeExecutableIndex;
+
+    gl::ShaderBitSet mShaderUniformsDirty;
+
+    static unsigned int issueSerial();
+    static unsigned int mCurrentSerial;
+
+    Serial mCurrentVertexArrayStateSerial;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_PROGRAMD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderTargetD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderTargetD3D.cpp
new file mode 100644
index 0000000000..4529a9d84e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderTargetD3D.cpp
@@ -0,0 +1,31 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderTargetD3D.cpp: Implements serial handling for rx::RenderTargetD3D
+
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+
+namespace rx
+{
+unsigned int RenderTargetD3D::mCurrentSerial = 1;
+
+RenderTargetD3D::RenderTargetD3D() : mSerial(issueSerials(1)) {}
+
+RenderTargetD3D::~RenderTargetD3D() {}
+
+unsigned int RenderTargetD3D::getSerial() const
+{
+    return mSerial;
+}
+
+unsigned int RenderTargetD3D::issueSerials(unsigned int count)
+{
+    unsigned int firstSerial = mCurrentSerial;
+    mCurrentSerial += count;
+    return firstSerial;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderTargetD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderTargetD3D.h
new file mode 100644
index 0000000000..b5bed63bcd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderTargetD3D.h
@@ -0,0 +1,44 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderTargetD3D.h: Defines an abstract wrapper class to manage IDirect3DSurface9
+// and ID3D11View objects belonging to renderbuffers and renderable textures.
+
+#ifndef LIBANGLE_RENDERER_D3D_RENDERTARGETD3D_H_
+#define LIBANGLE_RENDERER_D3D_RENDERTARGETD3D_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+
+class RenderTargetD3D : public FramebufferAttachmentRenderTarget
+{
+  public:
+    RenderTargetD3D();
+    ~RenderTargetD3D() override;
+
+    virtual GLsizei getWidth() const         = 0;
+    virtual GLsizei getHeight() const        = 0;
+    virtual GLsizei getDepth() const         = 0;
+    virtual GLenum getInternalFormat() const = 0;
+    virtual GLsizei getSamples() const       = 0;
+    gl::Extents getExtents() const { return gl::Extents(getWidth(), getHeight(), getDepth()); }
+    bool isMultisampled() const { return getSamples() > 0; }
+
+    virtual unsigned int getSerial() const;
+    static unsigned int issueSerials(unsigned int count);
+
+  private:
+    const unsigned int mSerial;
+    static unsigned int mCurrentSerial;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_RENDERTARGETD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderbufferD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderbufferD3D.cpp
new file mode 100644
index 0000000000..9114b88f3f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderbufferD3D.cpp
@@ -0,0 +1,126 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderbufferD3d.cpp: Implements the RenderbufferD3D class, a specialization of RenderbufferImpl
+
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace rx
+{
+RenderbufferD3D::RenderbufferD3D(const gl::RenderbufferState &state, RendererD3D *renderer)
+    : RenderbufferImpl(state), mRenderer(renderer), mRenderTarget(nullptr), mImage(nullptr)
+{}
+
+RenderbufferD3D::~RenderbufferD3D()
+{
+    SafeDelete(mRenderTarget);
+    mImage = nullptr;
+}
+
+void RenderbufferD3D::onDestroy(const gl::Context *context)
+{
+    SafeDelete(mRenderTarget);
+}
+
+angle::Result RenderbufferD3D::setStorage(const gl::Context *context,
+                                          GLenum internalformat,
+                                          GLsizei width,
+                                          GLsizei height)
+{
+    return setStorageMultisample(context, 0, internalformat, width, height,
+                                 gl::MultisamplingMode::Regular);
+}
+
+angle::Result RenderbufferD3D::setStorageMultisample(const gl::Context *context,
+                                                     GLsizei samples,
+                                                     GLenum internalformat,
+                                                     GLsizei width,
+                                                     GLsizei height,
+                                                     gl::MultisamplingMode mode)
+{
+    // TODO: Correctly differentiate between normal multisampling and render to texture.  In the
+    // latter case, the renderbuffer must be automatically resolved when rendering is broken and
+    // operations performed on it (such as blit, copy etc) should use the resolved image.
+    // http://anglebug.com/3107.
+
+    // If the renderbuffer parameters are queried, the calling function
+    // will expect one of the valid renderbuffer formats for use in
+    // glRenderbufferStorage, but we should create depth and stencil buffers
+    // as DEPTH24_STENCIL8
+    GLenum creationFormat = internalformat;
+    if (internalformat == GL_DEPTH_COMPONENT16 || internalformat == GL_STENCIL_INDEX8)
+    {
+        creationFormat = GL_DEPTH24_STENCIL8_OES;
+    }
+
+    // ANGLE_framebuffer_multisample states GL_OUT_OF_MEMORY is generated on a failure to create
+    // the specified storage.
+    // Because ES 3.0 already knows the exact number of supported samples, it would already have
+    // been validated and generated GL_INVALID_VALUE.
+    const gl::TextureCaps &formatCaps = mRenderer->getNativeTextureCaps().get(creationFormat);
+    ANGLE_CHECK_GL_ALLOC(GetImplAs<ContextD3D>(context),
+                         static_cast<uint32_t>(samples) <= formatCaps.getMaxSamples());
+
+    RenderTargetD3D *newRT = nullptr;
+    ANGLE_TRY(
+        mRenderer->createRenderTarget(context, width, height, creationFormat, samples, &newRT));
+
+    SafeDelete(mRenderTarget);
+    mImage        = nullptr;
+    mRenderTarget = newRT;
+
+    return angle::Result::Continue;
+}
+
+angle::Result RenderbufferD3D::setStorageEGLImageTarget(const gl::Context *context,
+                                                        egl::Image *image)
+{
+    mImage = GetImplAs<EGLImageD3D>(image);
+    SafeDelete(mRenderTarget);
+
+    return angle::Result::Continue;
+}
+
+angle::Result RenderbufferD3D::getRenderTarget(const gl::Context *context,
+                                               RenderTargetD3D **outRenderTarget)
+{
+    if (mImage)
+    {
+        return mImage->getRenderTarget(context, outRenderTarget);
+    }
+    else
+    {
+        *outRenderTarget = mRenderTarget;
+        return angle::Result::Continue;
+    }
+}
+
+angle::Result RenderbufferD3D::getAttachmentRenderTarget(const gl::Context *context,
+                                                         GLenum binding,
+                                                         const gl::ImageIndex &imageIndex,
+                                                         GLsizei samples,
+                                                         FramebufferAttachmentRenderTarget **rtOut)
+{
+    return getRenderTarget(context, reinterpret_cast<RenderTargetD3D **>(rtOut));
+}
+
+angle::Result RenderbufferD3D::initializeContents(const gl::Context *context,
+                                                  GLenum binding,
+                                                  const gl::ImageIndex &imageIndex)
+{
+    RenderTargetD3D *renderTarget = nullptr;
+    ANGLE_TRY(getRenderTarget(context, &renderTarget));
+    return mRenderer->initRenderTarget(context, renderTarget);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderbufferD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderbufferD3D.h
new file mode 100644
index 0000000000..7b48c48073
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RenderbufferD3D.h
@@ -0,0 +1,63 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderbufferD3d.h: Defines the RenderbufferD3D class which implements RenderbufferImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_RENDERBUFFERD3D_H_
+#define LIBANGLE_RENDERER_D3D_RENDERBUFFERD3D_H_
+
+#include "angle_gl.h"
+
+#include "common/angleutils.h"
+#include "libANGLE/renderer/RenderbufferImpl.h"
+
+namespace rx
+{
+class EGLImageD3D;
+class RendererD3D;
+class RenderTargetD3D;
+class SwapChainD3D;
+
+class RenderbufferD3D : public RenderbufferImpl
+{
+  public:
+    RenderbufferD3D(const gl::RenderbufferState &state, RendererD3D *renderer);
+    ~RenderbufferD3D() override;
+
+    void onDestroy(const gl::Context *context) override;
+
+    angle::Result setStorage(const gl::Context *context,
+                             GLenum internalformat,
+                             GLsizei width,
+                             GLsizei height) override;
+    angle::Result setStorageMultisample(const gl::Context *context,
+                                        GLsizei samples,
+                                        GLenum internalformat,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        gl::MultisamplingMode mode) override;
+    angle::Result setStorageEGLImageTarget(const gl::Context *context, egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context, RenderTargetD3D **outRenderTarget);
+    angle::Result getAttachmentRenderTarget(const gl::Context *context,
+                                            GLenum binding,
+                                            const gl::ImageIndex &imageIndex,
+                                            GLsizei samples,
+                                            FramebufferAttachmentRenderTarget **rtOut) override;
+
+    angle::Result initializeContents(const gl::Context *context,
+                                     GLenum binding,
+                                     const gl::ImageIndex &imageIndex) override;
+
+  private:
+    RendererD3D *mRenderer;
+    RenderTargetD3D *mRenderTarget;
+    EGLImageD3D *mImage;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_RENDERBUFFERD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/RendererD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RendererD3D.cpp
new file mode 100644
index 0000000000..39e6e536dd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RendererD3D.cpp
@@ -0,0 +1,247 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RendererD3D.cpp: Implementation of the base D3D Renderer.
+
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+#include "common/MemoryBuffer.h"
+#include "common/debug.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/State.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/TextureImpl.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/DeviceD3D.h"
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/SamplerD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+
+namespace rx
+{
+
+RendererD3D::RendererD3D(egl::Display *display)
+    : mDisplay(display),
+      mPresentPathFastEnabled(false),
+      mCapsInitialized(false),
+      mFeaturesInitialized(false),
+      mDisjoint(false),
+      mDeviceLost(false)
+{}
+
+RendererD3D::~RendererD3D() {}
+
+bool RendererD3D::skipDraw(const gl::State &glState, gl::PrimitiveMode drawMode)
+{
+    if (drawMode == gl::PrimitiveMode::Points)
+    {
+        bool usesPointSize = GetImplAs<ProgramD3D>(glState.getProgram())->usesPointSize();
+
+        // ProgramBinary assumes non-point rendering if gl_PointSize isn't written,
+        // which affects varying interpolation. Since the value of gl_PointSize is
+        // undefined when not written, just skip drawing to avoid unexpected results.
+        if (!usesPointSize && !glState.isTransformFeedbackActiveUnpaused())
+        {
+            // Notify developers of risking undefined behavior.
+            WARN() << "Point rendering without writing to gl_PointSize.";
+            return true;
+        }
+    }
+    else if (gl::IsTriangleMode(drawMode))
+    {
+        if (glState.getRasterizerState().cullFace &&
+            glState.getRasterizerState().cullMode == gl::CullFaceMode::FrontAndBack)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+gl::GraphicsResetStatus RendererD3D::getResetStatus()
+{
+    if (!mDeviceLost)
+    {
+        if (testDeviceLost())
+        {
+            mDeviceLost = true;
+            notifyDeviceLost();
+            return gl::GraphicsResetStatus::UnknownContextReset;
+        }
+        return gl::GraphicsResetStatus::NoError;
+    }
+
+    if (testDeviceResettable())
+    {
+        return gl::GraphicsResetStatus::NoError;
+    }
+
+    return gl::GraphicsResetStatus::UnknownContextReset;
+}
+
+void RendererD3D::notifyDeviceLost()
+{
+    mDisplay->notifyDeviceLost();
+}
+
+void RendererD3D::setGPUDisjoint()
+{
+    mDisjoint = true;
+}
+
+GLint RendererD3D::getGPUDisjoint()
+{
+    bool disjoint = mDisjoint;
+
+    // Disjoint flag is cleared when read
+    mDisjoint = false;
+
+    return disjoint;
+}
+
+GLint64 RendererD3D::getTimestamp()
+{
+    // D3D has no way to get an actual timestamp reliably so 0 is returned
+    return 0;
+}
+
+void RendererD3D::ensureCapsInitialized() const
+{
+    if (!mCapsInitialized)
+    {
+        generateCaps(&mNativeCaps, &mNativeTextureCaps, &mNativeExtensions, &mNativeLimitations);
+        mCapsInitialized = true;
+    }
+}
+
+const gl::Caps &RendererD3D::getNativeCaps() const
+{
+    ensureCapsInitialized();
+    return mNativeCaps;
+}
+
+const gl::TextureCapsMap &RendererD3D::getNativeTextureCaps() const
+{
+    ensureCapsInitialized();
+    return mNativeTextureCaps;
+}
+
+const gl::Extensions &RendererD3D::getNativeExtensions() const
+{
+    ensureCapsInitialized();
+    return mNativeExtensions;
+}
+
+const gl::Limitations &RendererD3D::getNativeLimitations() const
+{
+    ensureCapsInitialized();
+    return mNativeLimitations;
+}
+
+ShPixelLocalStorageType RendererD3D::getNativePixelLocalStorageType() const
+{
+    if (!getNativeExtensions().shaderPixelLocalStorageANGLE)
+    {
+        return ShPixelLocalStorageType::NotSupported;
+    }
+    // Read/write UAVs only support "r32*" images.
+    return ShPixelLocalStorageType::ImageStoreR32PackedFormats;
+}
+
+Serial RendererD3D::generateSerial()
+{
+    return mSerialFactory.generate();
+}
+
+bool InstancedPointSpritesActive(ProgramD3D *programD3D, gl::PrimitiveMode mode)
+{
+    return programD3D->usesPointSize() && programD3D->usesInstancedPointSpriteEmulation() &&
+           mode == gl::PrimitiveMode::Points;
+}
+
+angle::Result RendererD3D::initRenderTarget(const gl::Context *context,
+                                            RenderTargetD3D *renderTarget)
+{
+    return clearRenderTarget(context, renderTarget, gl::ColorF(0, 0, 0, 0), 1, 0);
+}
+
+const angle::FeaturesD3D &RendererD3D::getFeatures() const
+{
+    if (!mFeaturesInitialized)
+    {
+        initializeFeatures(&mFeatures);
+        mFeaturesInitialized = true;
+    }
+
+    return mFeatures;
+}
+
+unsigned int GetBlendSampleMask(const gl::State &glState, int samples)
+{
+    unsigned int mask = 0;
+    if (glState.isSampleCoverageEnabled())
+    {
+        GLfloat coverageValue = glState.getSampleCoverageValue();
+        if (coverageValue != 0)
+        {
+            float threshold = 0.5f;
+
+            for (int i = 0; i < samples; ++i)
+            {
+                mask <<= 1;
+
+                if ((i + 1) * coverageValue >= threshold)
+                {
+                    threshold += 1.0f;
+                    mask |= 1;
+                }
+            }
+        }
+
+        bool coverageInvert = glState.getSampleCoverageInvert();
+        if (coverageInvert)
+        {
+            mask = ~mask;
+        }
+    }
+    else
+    {
+        mask = 0xFFFFFFFF;
+    }
+
+    if (glState.isSampleMaskEnabled())
+    {
+        mask &= glState.getSampleMaskWord(0);
+    }
+
+    return mask;
+}
+
+GLenum DefaultGLErrorCode(HRESULT hr)
+{
+    switch (hr)
+    {
+#ifdef ANGLE_ENABLE_D3D9
+        case D3DERR_OUTOFVIDEOMEMORY:
+#endif
+        case E_OUTOFMEMORY:
+            return GL_OUT_OF_MEMORY;
+        default:
+            return GL_INVALID_OPERATION;
+    }
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/RendererD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RendererD3D.h
new file mode 100644
index 0000000000..3846e1eb2a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/RendererD3D.h
@@ -0,0 +1,489 @@
+
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RendererD3D.h: Defines a back-end specific class for the DirectX renderer.
+
+#ifndef LIBANGLE_RENDERER_D3D_RENDERERD3D_H_
+#define LIBANGLE_RENDERER_D3D_RENDERERD3D_H_
+
+#include <array>
+
+#include "common/Color.h"
+#include "common/MemoryBuffer.h"
+#include "common/debug.h"
+#include "libANGLE/Device.h"
+#include "libANGLE/State.h"
+#include "libANGLE/Version.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+#include "libANGLE/renderer/d3d/formatutilsD3D.h"
+#include "libANGLE/renderer/renderer_utils.h"
+#include "libANGLE/renderer/serial_utils.h"
+#include "platform/FeaturesD3D_autogen.h"
+
+namespace egl
+{
+class ConfigSet;
+}
+
+namespace gl
+{
+class ErrorSet;
+class FramebufferState;
+class InfoLog;
+class Texture;
+struct LinkedVarying;
+}  // namespace gl
+
+namespace rx
+{
+class ContextImpl;
+struct D3DUniform;
+struct D3DVarying;
+class DeviceD3D;
+class EGLImageD3D;
+class FramebufferImpl;
+class ImageD3D;
+class IndexBuffer;
+class NativeWindowD3D;
+class ProgramD3D;
+class RenderTargetD3D;
+class ShaderExecutableD3D;
+class SwapChainD3D;
+class TextureStorage;
+struct TranslatedIndexData;
+class UniformStorageD3D;
+class VertexBuffer;
+
+struct DeviceIdentifier
+{
+    UINT VendorId;
+    UINT DeviceId;
+    UINT SubSysId;
+    UINT Revision;
+    UINT FeatureLevel;
+};
+
+enum RendererClass
+{
+    RENDERER_D3D11,
+    RENDERER_D3D9
+};
+
+struct BindFlags
+{
+    bool renderTarget    = false;
+    bool unorderedAccess = false;
+    static BindFlags RenderTarget()
+    {
+        BindFlags flags;
+        flags.renderTarget = true;
+        return flags;
+    }
+    static BindFlags UnorderedAccess()
+    {
+        BindFlags flags;
+        flags.unorderedAccess = true;
+        return flags;
+    }
+};
+
+// A d3d::Context wraps error handling.
+namespace d3d
+{
+class Context : angle::NonCopyable
+{
+  public:
+    Context() {}
+    virtual ~Context() {}
+
+    virtual void handleResult(HRESULT hr,
+                              const char *message,
+                              const char *file,
+                              const char *function,
+                              unsigned int line) = 0;
+};
+}  // namespace d3d
+
+// ANGLE_TRY for HRESULT errors.
+#define ANGLE_TRY_HR(CONTEXT, EXPR, MESSAGE)                                                     \
+    do                                                                                           \
+    {                                                                                            \
+        auto ANGLE_LOCAL_VAR = (EXPR);                                                           \
+        if (ANGLE_UNLIKELY(FAILED(ANGLE_LOCAL_VAR)))                                             \
+        {                                                                                        \
+            CONTEXT->handleResult(ANGLE_LOCAL_VAR, MESSAGE, __FILE__, ANGLE_FUNCTION, __LINE__); \
+            return angle::Result::Stop;                                                          \
+        }                                                                                        \
+    } while (0)
+
+#define ANGLE_CHECK_HR(CONTEXT, EXPR, MESSAGE, ERROR)                                  \
+    do                                                                                 \
+    {                                                                                  \
+        if (ANGLE_UNLIKELY(!(EXPR)))                                                   \
+        {                                                                              \
+            CONTEXT->handleResult(ERROR, MESSAGE, __FILE__, ANGLE_FUNCTION, __LINE__); \
+            return angle::Result::Stop;                                                \
+        }                                                                              \
+    } while (0)
+
+#define ANGLE_HR_UNREACHABLE(context) \
+    UNREACHABLE();                    \
+    ANGLE_CHECK_HR(context, false, "Unreachble code reached.", E_FAIL)
+
+// Check if the device is lost every 10 failures to get the query data
+constexpr unsigned int kPollingD3DDeviceLostCheckFrequency = 10;
+
+// Useful for unit testing
+class BufferFactoryD3D : angle::NonCopyable
+{
+  public:
+    BufferFactoryD3D() {}
+    virtual ~BufferFactoryD3D() {}
+
+    virtual VertexBuffer *createVertexBuffer() = 0;
+    virtual IndexBuffer *createIndexBuffer()   = 0;
+
+    // TODO(jmadill): add VertexFormatCaps
+    virtual VertexConversionType getVertexConversionType(angle::FormatID vertexFormatID) const = 0;
+    virtual GLenum getVertexComponentType(angle::FormatID vertexFormatID) const                = 0;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using this
+    // function.
+    virtual angle::Result getVertexSpaceRequired(const gl::Context *context,
+                                                 const gl::VertexAttribute &attrib,
+                                                 const gl::VertexBinding &binding,
+                                                 size_t count,
+                                                 GLsizei instances,
+                                                 GLuint baseInstance,
+                                                 unsigned int *bytesRequiredOut) const = 0;
+};
+
+using AttribIndexArray = gl::AttribArray<int>;
+
+class RendererD3D : public BufferFactoryD3D
+{
+  public:
+    explicit RendererD3D(egl::Display *display);
+    ~RendererD3D() override;
+
+    virtual egl::Error initialize() = 0;
+
+    virtual egl::ConfigSet generateConfigs()                                            = 0;
+    virtual void generateDisplayExtensions(egl::DisplayExtensions *outExtensions) const = 0;
+
+    virtual ContextImpl *createContext(const gl::State &state, gl::ErrorSet *errorSet) = 0;
+
+    virtual std::string getRendererDescription() const                  = 0;
+    virtual std::string getVendorString() const                         = 0;
+    virtual std::string getVersionString(bool includeFullVersion) const = 0;
+
+    virtual int getMinorShaderModel() const          = 0;
+    virtual std::string getShaderModelSuffix() const = 0;
+
+    // Direct3D Specific methods
+    virtual DeviceIdentifier getAdapterIdentifier() const = 0;
+
+    virtual bool isValidNativeWindow(EGLNativeWindowType window) const                  = 0;
+    virtual NativeWindowD3D *createNativeWindow(EGLNativeWindowType window,
+                                                const egl::Config *config,
+                                                const egl::AttributeMap &attribs) const = 0;
+
+    virtual SwapChainD3D *createSwapChain(NativeWindowD3D *nativeWindow,
+                                          HANDLE shareHandle,
+                                          IUnknown *d3dTexture,
+                                          GLenum backBufferFormat,
+                                          GLenum depthBufferFormat,
+                                          EGLint orientation,
+                                          EGLint samples)                          = 0;
+    virtual egl::Error getD3DTextureInfo(const egl::Config *configuration,
+                                         IUnknown *d3dTexture,
+                                         const egl::AttributeMap &attribs,
+                                         EGLint *width,
+                                         EGLint *height,
+                                         GLsizei *samples,
+                                         gl::Format *glFormat,
+                                         const angle::Format **angleFormat,
+                                         UINT *arraySlice) const                   = 0;
+    virtual egl::Error validateShareHandle(const egl::Config *config,
+                                           HANDLE shareHandle,
+                                           const egl::AttributeMap &attribs) const = 0;
+
+    virtual int getMajorShaderModel() const = 0;
+
+    virtual void setGlobalDebugAnnotator() = 0;
+
+    const angle::FeaturesD3D &getFeatures() const;
+
+    // Pixel operations
+    virtual angle::Result copyImage2D(const gl::Context *context,
+                                      const gl::Framebuffer *framebuffer,
+                                      const gl::Rectangle &sourceRect,
+                                      GLenum destFormat,
+                                      const gl::Offset &destOffset,
+                                      TextureStorage *storage,
+                                      GLint level)      = 0;
+    virtual angle::Result copyImageCube(const gl::Context *context,
+                                        const gl::Framebuffer *framebuffer,
+                                        const gl::Rectangle &sourceRect,
+                                        GLenum destFormat,
+                                        const gl::Offset &destOffset,
+                                        TextureStorage *storage,
+                                        gl::TextureTarget target,
+                                        GLint level)    = 0;
+    virtual angle::Result copyImage3D(const gl::Context *context,
+                                      const gl::Framebuffer *framebuffer,
+                                      const gl::Rectangle &sourceRect,
+                                      GLenum destFormat,
+                                      const gl::Offset &destOffset,
+                                      TextureStorage *storage,
+                                      GLint level)      = 0;
+    virtual angle::Result copyImage2DArray(const gl::Context *context,
+                                           const gl::Framebuffer *framebuffer,
+                                           const gl::Rectangle &sourceRect,
+                                           GLenum destFormat,
+                                           const gl::Offset &destOffset,
+                                           TextureStorage *storage,
+                                           GLint level) = 0;
+
+    virtual angle::Result copyTexture(const gl::Context *context,
+                                      const gl::Texture *source,
+                                      GLint sourceLevel,
+                                      gl::TextureTarget srcTarget,
+                                      const gl::Box &sourceBox,
+                                      GLenum destFormat,
+                                      GLenum destType,
+                                      const gl::Offset &destOffset,
+                                      TextureStorage *storage,
+                                      gl::TextureTarget destTarget,
+                                      GLint destLevel,
+                                      bool unpackFlipY,
+                                      bool unpackPremultiplyAlpha,
+                                      bool unpackUnmultiplyAlpha) = 0;
+    virtual angle::Result copyCompressedTexture(const gl::Context *context,
+                                                const gl::Texture *source,
+                                                GLint sourceLevel,
+                                                TextureStorage *storage,
+                                                GLint destLevel)  = 0;
+
+    // RenderTarget creation
+    virtual angle::Result createRenderTarget(const gl::Context *context,
+                                             int width,
+                                             int height,
+                                             GLenum format,
+                                             GLsizei samples,
+                                             RenderTargetD3D **outRT)     = 0;
+    virtual angle::Result createRenderTargetCopy(const gl::Context *context,
+                                                 RenderTargetD3D *source,
+                                                 RenderTargetD3D **outRT) = 0;
+
+    // Shader operations
+    virtual angle::Result loadExecutable(d3d::Context *context,
+                                         const uint8_t *function,
+                                         size_t length,
+                                         gl::ShaderType type,
+                                         const std::vector<D3DVarying> &streamOutVaryings,
+                                         bool separatedOutputBuffers,
+                                         ShaderExecutableD3D **outExecutable)      = 0;
+    virtual angle::Result compileToExecutable(d3d::Context *context,
+                                              gl::InfoLog &infoLog,
+                                              const std::string &shaderHLSL,
+                                              gl::ShaderType type,
+                                              const std::vector<D3DVarying> &streamOutVaryings,
+                                              bool separatedOutputBuffers,
+                                              const CompilerWorkaroundsD3D &workarounds,
+                                              ShaderExecutableD3D **outExectuable) = 0;
+    virtual angle::Result ensureHLSLCompilerInitialized(d3d::Context *context)     = 0;
+
+    virtual UniformStorageD3D *createUniformStorage(size_t storageSize) = 0;
+
+    // Image operations
+    virtual ImageD3D *createImage() = 0;
+    virtual ExternalImageSiblingImpl *createExternalImageSibling(
+        const gl::Context *context,
+        EGLenum target,
+        EGLClientBuffer buffer,
+        const egl::AttributeMap &attribs)                                              = 0;
+    virtual angle::Result generateMipmap(const gl::Context *context,
+                                         ImageD3D *dest,
+                                         ImageD3D *source)                             = 0;
+    virtual angle::Result generateMipmapUsingD3D(const gl::Context *context,
+                                                 TextureStorage *storage,
+                                                 const gl::TextureState &textureState) = 0;
+    virtual angle::Result copyImage(const gl::Context *context,
+                                    ImageD3D *dest,
+                                    ImageD3D *source,
+                                    const gl::Box &sourceBox,
+                                    const gl::Offset &destOffset,
+                                    bool unpackFlipY,
+                                    bool unpackPremultiplyAlpha,
+                                    bool unpackUnmultiplyAlpha)                        = 0;
+    virtual TextureStorage *createTextureStorage2D(SwapChainD3D *swapChain,
+                                                   const std::string &label)           = 0;
+    virtual TextureStorage *createTextureStorageEGLImage(EGLImageD3D *eglImage,
+                                                         RenderTargetD3D *renderTargetD3D,
+                                                         const std::string &label)     = 0;
+    virtual TextureStorage *createTextureStorageBuffer(
+        const gl::OffsetBindingPointer<gl::Buffer> &buffer,
+        GLenum internalFormat,
+        const std::string &label) = 0;
+    virtual TextureStorage *createTextureStorageExternal(
+        egl::Stream *stream,
+        const egl::Stream::GLTextureDescription &desc,
+        const std::string &label)                                                            = 0;
+    virtual TextureStorage *createTextureStorage2D(GLenum internalformat,
+                                                   BindFlags bindFlags,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   int levels,
+                                                   const std::string &label,
+                                                   bool hintLevelZeroOnly)                   = 0;
+    virtual TextureStorage *createTextureStorageCube(GLenum internalformat,
+                                                     BindFlags bindFlags,
+                                                     int size,
+                                                     int levels,
+                                                     bool hintLevelZeroOnly,
+                                                     const std::string &label)               = 0;
+    virtual TextureStorage *createTextureStorage3D(GLenum internalformat,
+                                                   BindFlags bindFlags,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   GLsizei depth,
+                                                   int levels,
+                                                   const std::string &label)                 = 0;
+    virtual TextureStorage *createTextureStorage2DArray(GLenum internalformat,
+                                                        BindFlags bindFlags,
+                                                        GLsizei width,
+                                                        GLsizei height,
+                                                        GLsizei depth,
+                                                        int levels,
+                                                        const std::string &label)            = 0;
+    virtual TextureStorage *createTextureStorage2DMultisample(GLenum internalformat,
+                                                              GLsizei width,
+                                                              GLsizei height,
+                                                              int levels,
+                                                              int samples,
+                                                              bool fixedSampleLocations,
+                                                              const std::string &label)      = 0;
+    virtual TextureStorage *createTextureStorage2DMultisampleArray(GLenum internalformat,
+                                                                   GLsizei width,
+                                                                   GLsizei height,
+                                                                   GLsizei depth,
+                                                                   int levels,
+                                                                   int samples,
+                                                                   bool fixedSampleLocations,
+                                                                   const std::string &label) = 0;
+
+    // Buffer-to-texture and Texture-to-buffer copies
+    virtual bool supportsFastCopyBufferToTexture(GLenum internalFormat) const = 0;
+    virtual angle::Result fastCopyBufferToTexture(const gl::Context *context,
+                                                  const gl::PixelUnpackState &unpack,
+                                                  gl::Buffer *unpackBuffer,
+                                                  unsigned int offset,
+                                                  RenderTargetD3D *destRenderTarget,
+                                                  GLenum destinationFormat,
+                                                  GLenum sourcePixelsType,
+                                                  const gl::Box &destArea)    = 0;
+
+    // Device lost
+    gl::GraphicsResetStatus getResetStatus();
+    void notifyDeviceLost();
+    virtual bool resetDevice()          = 0;
+    virtual bool testDeviceLost()       = 0;
+    virtual bool testDeviceResettable() = 0;
+
+    virtual RendererClass getRendererClass() const = 0;
+    virtual void *getD3DDevice()                   = 0;
+
+    void setGPUDisjoint();
+
+    GLint getGPUDisjoint();
+    GLint64 getTimestamp();
+
+    virtual angle::Result clearRenderTarget(const gl::Context *context,
+                                            RenderTargetD3D *renderTarget,
+                                            const gl::ColorF &clearColorValue,
+                                            const float clearDepthValue,
+                                            const unsigned int clearStencilValue) = 0;
+
+    virtual DeviceImpl *createEGLDevice() = 0;
+
+    bool presentPathFastEnabled() const { return mPresentPathFastEnabled; }
+
+    // Stream creation
+    virtual StreamProducerImpl *createStreamProducerD3DTexture(
+        egl::Stream::ConsumerType consumerType,
+        const egl::AttributeMap &attribs) = 0;
+
+    const gl::Caps &getNativeCaps() const;
+    const gl::TextureCapsMap &getNativeTextureCaps() const;
+    const gl::Extensions &getNativeExtensions() const;
+    const gl::Limitations &getNativeLimitations() const;
+    ShPixelLocalStorageType getNativePixelLocalStorageType() const;
+    virtual void initializeFrontendFeatures(angle::FrontendFeatures *features) const = 0;
+
+    // Necessary hack for default framebuffers in D3D.
+    virtual FramebufferImpl *createDefaultFramebuffer(const gl::FramebufferState &state) = 0;
+
+    virtual gl::Version getMaxSupportedESVersion() const  = 0;
+    virtual gl::Version getMaxConformantESVersion() const = 0;
+
+    angle::Result initRenderTarget(const gl::Context *context, RenderTargetD3D *renderTarget);
+
+    virtual angle::Result getIncompleteTexture(const gl::Context *context,
+                                               gl::TextureType type,
+                                               gl::Texture **textureOut) = 0;
+
+    Serial generateSerial();
+
+    virtual bool canSelectViewInVertexShader() const = 0;
+
+  protected:
+    virtual bool getLUID(LUID *adapterLuid) const                    = 0;
+    virtual void generateCaps(gl::Caps *outCaps,
+                              gl::TextureCapsMap *outTextureCaps,
+                              gl::Extensions *outExtensions,
+                              gl::Limitations *outLimitations) const = 0;
+
+    bool skipDraw(const gl::State &glState, gl::PrimitiveMode drawMode);
+
+    egl::Display *mDisplay;
+
+    bool mPresentPathFastEnabled;
+
+  private:
+    void ensureCapsInitialized() const;
+
+    virtual void initializeFeatures(angle::FeaturesD3D *features) const = 0;
+
+    mutable bool mCapsInitialized;
+    mutable gl::Caps mNativeCaps;
+    mutable gl::TextureCapsMap mNativeTextureCaps;
+    mutable gl::Extensions mNativeExtensions;
+    mutable gl::Limitations mNativeLimitations;
+
+    mutable bool mFeaturesInitialized;
+    mutable angle::FeaturesD3D mFeatures;
+
+    bool mDisjoint;
+    bool mDeviceLost;
+
+    SerialFactory mSerialFactory;
+};
+
+unsigned int GetBlendSampleMask(const gl::State &glState, int samples);
+bool InstancedPointSpritesActive(ProgramD3D *programD3D, gl::PrimitiveMode mode);
+GLenum DefaultGLErrorCode(HRESULT hr);
+
+// Define stubs so we don't need to include D3D9/D3D11 headers directly.
+RendererD3D *CreateRenderer11(egl::Display *display);
+RendererD3D *CreateRenderer9(egl::Display *display);
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_RENDERERD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/SamplerD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SamplerD3D.h
new file mode 100644
index 0000000000..ad4b15a4ab
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SamplerD3D.h
@@ -0,0 +1,33 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SamplerD3D.h: Defines the rx::SamplerD3D class, an implementation of SamplerImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_SAMPLERD3D_H_
+#define LIBANGLE_RENDERER_D3D_SAMPLERD3D_H_
+
+#include "libANGLE/renderer/SamplerImpl.h"
+
+namespace rx
+{
+
+class SamplerD3D : public SamplerImpl
+{
+  public:
+    SamplerD3D(const gl::SamplerState &state) : SamplerImpl(state) {}
+    ~SamplerD3D() override {}
+
+    angle::Result syncState(const gl::Context *context, const bool dirtyBits) override;
+};
+
+inline angle::Result SamplerD3D::syncState(const gl::Context *context, const bool dirtyBits)
+{
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_SAMPLERD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.cpp
new file mode 100644
index 0000000000..ae8a9ebcfb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.cpp
@@ -0,0 +1,391 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderD3D.cpp: Defines the rx::ShaderD3D class which implements rx::ShaderImpl.
+
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+
+#include "common/system_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Compiler.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/features.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/trace.h"
+
+namespace rx
+{
+
+class TranslateTaskD3D : public angle::Closure
+{
+  public:
+    TranslateTaskD3D(ShHandle handle,
+                     const ShCompileOptions &options,
+                     const std::string &source,
+                     const std::string &sourcePath)
+        : mHandle(handle),
+          mOptions(options),
+          mSource(source),
+          mSourcePath(sourcePath),
+          mResult(false)
+    {}
+
+    void operator()() override
+    {
+        ANGLE_TRACE_EVENT1("gpu.angle", "TranslateTask::run", "source", mSource);
+        std::vector<const char *> srcStrings;
+        if (!mSourcePath.empty())
+        {
+            srcStrings.push_back(mSourcePath.c_str());
+        }
+        srcStrings.push_back(mSource.c_str());
+
+        mResult = sh::Compile(mHandle, &srcStrings[0], srcStrings.size(), mOptions);
+    }
+
+    bool getResult() { return mResult; }
+
+  private:
+    ShHandle mHandle;
+    ShCompileOptions mOptions;
+    std::string mSource;
+    std::string mSourcePath;
+    bool mResult;
+};
+
+using PostTranslateFunctor =
+    std::function<bool(gl::ShCompilerInstance *compiler, std::string *infoLog)>;
+
+class WaitableCompileEventD3D final : public WaitableCompileEvent
+{
+  public:
+    WaitableCompileEventD3D(std::shared_ptr<angle::WaitableEvent> waitableEvent,
+                            gl::ShCompilerInstance *compilerInstance,
+                            PostTranslateFunctor &&postTranslateFunctor,
+                            std::shared_ptr<TranslateTaskD3D> translateTask)
+        : WaitableCompileEvent(waitableEvent),
+          mCompilerInstance(compilerInstance),
+          mPostTranslateFunctor(std::move(postTranslateFunctor)),
+          mTranslateTask(translateTask)
+    {}
+
+    bool getResult() override { return mTranslateTask->getResult(); }
+
+    bool postTranslate(std::string *infoLog) override
+    {
+        return mPostTranslateFunctor(mCompilerInstance, infoLog);
+    }
+
+  private:
+    gl::ShCompilerInstance *mCompilerInstance;
+    PostTranslateFunctor mPostTranslateFunctor;
+    std::shared_ptr<TranslateTaskD3D> mTranslateTask;
+};
+
+ShaderD3D::ShaderD3D(const gl::ShaderState &state, RendererD3D *renderer)
+    : ShaderImpl(state), mRenderer(renderer)
+{
+    uncompile();
+}
+
+ShaderD3D::~ShaderD3D() {}
+
+std::string ShaderD3D::getDebugInfo() const
+{
+    if (mDebugInfo.empty())
+    {
+        return "";
+    }
+
+    return mDebugInfo + std::string("\n// ") + gl::GetShaderTypeString(mState.getShaderType()) +
+           " SHADER END\n";
+}
+
+// initialize/clean up previous state
+void ShaderD3D::uncompile()
+{
+    // set by compileToHLSL
+    mCompilerOutputType = SH_ESSL_OUTPUT;
+
+    mUsesMultipleRenderTargets   = false;
+    mUsesFragColor               = false;
+    mUsesFragData                = false;
+    mUsesSecondaryColor          = false;
+    mUsesFragCoord               = false;
+    mUsesFrontFacing             = false;
+    mUsesHelperInvocation        = false;
+    mUsesPointSize               = false;
+    mUsesPointCoord              = false;
+    mUsesDepthRange              = false;
+    mUsesFragDepth               = false;
+    mHasANGLEMultiviewEnabled    = false;
+    mUsesVertexID                = false;
+    mUsesViewID                  = false;
+    mUsesDiscardRewriting        = false;
+    mUsesNestedBreak             = false;
+    mRequiresIEEEStrictCompiling = false;
+
+    mDebugInfo.clear();
+}
+
+void ShaderD3D::generateWorkarounds(CompilerWorkaroundsD3D *workarounds) const
+{
+    if (mUsesDiscardRewriting)
+    {
+        // ANGLE issue 486:
+        // Work-around a D3D9 compiler bug that presents itself when using conditional discard, by
+        // disabling optimization
+        workarounds->skipOptimization = true;
+    }
+    else if (mUsesNestedBreak)
+    {
+        // ANGLE issue 603:
+        // Work-around a D3D9 compiler bug that presents itself when using break in a nested loop,
+        // by maximizing optimization We want to keep the use of
+        // ANGLE_D3D_WORKAROUND_MAX_OPTIMIZATION minimal to prevent hangs, so usesDiscard takes
+        // precedence
+        workarounds->useMaxOptimization = true;
+    }
+
+    if (mRequiresIEEEStrictCompiling)
+    {
+        // IEEE Strictness for D3D compiler needs to be enabled for NaNs to work.
+        workarounds->enableIEEEStrictness = true;
+    }
+}
+
+unsigned int ShaderD3D::getUniformRegister(const std::string &uniformName) const
+{
+    ASSERT(mUniformRegisterMap.count(uniformName) > 0);
+    return mUniformRegisterMap.find(uniformName)->second;
+}
+
+unsigned int ShaderD3D::getUniformBlockRegister(const std::string &blockName) const
+{
+    ASSERT(mUniformBlockRegisterMap.count(blockName) > 0);
+    return mUniformBlockRegisterMap.find(blockName)->second;
+}
+
+bool ShaderD3D::shouldUniformBlockUseStructuredBuffer(const std::string &blockName) const
+{
+    ASSERT(mUniformBlockUseStructuredBufferMap.count(blockName) > 0);
+    return mUniformBlockUseStructuredBufferMap.find(blockName)->second;
+}
+
+unsigned int ShaderD3D::getShaderStorageBlockRegister(const std::string &blockName) const
+{
+    ASSERT(mShaderStorageBlockRegisterMap.count(blockName) > 0);
+    return mShaderStorageBlockRegisterMap.find(blockName)->second;
+}
+
+ShShaderOutput ShaderD3D::getCompilerOutputType() const
+{
+    return mCompilerOutputType;
+}
+
+bool ShaderD3D::useImage2DFunction(const std::string &functionName) const
+{
+    if (mUsedImage2DFunctionNames.empty())
+    {
+        return false;
+    }
+
+    return mUsedImage2DFunctionNames.find(functionName) != mUsedImage2DFunctionNames.end();
+}
+
+const std::set<std::string> &ShaderD3D::getSlowCompilingUniformBlockSet() const
+{
+    return mSlowCompilingUniformBlockSet;
+}
+
+const std::map<std::string, unsigned int> &GetUniformRegisterMap(
+    const std::map<std::string, unsigned int> *uniformRegisterMap)
+{
+    ASSERT(uniformRegisterMap);
+    return *uniformRegisterMap;
+}
+
+const std::set<std::string> &GetSlowCompilingUniformBlockSet(
+    const std::set<std::string> *slowCompilingUniformBlockSet)
+{
+    ASSERT(slowCompilingUniformBlockSet);
+    return *slowCompilingUniformBlockSet;
+}
+
+const std::set<std::string> &GetUsedImage2DFunctionNames(
+    const std::set<std::string> *usedImage2DFunctionNames)
+{
+    ASSERT(usedImage2DFunctionNames);
+    return *usedImage2DFunctionNames;
+}
+
+std::shared_ptr<WaitableCompileEvent> ShaderD3D::compile(const gl::Context *context,
+                                                         gl::ShCompilerInstance *compilerInstance,
+                                                         ShCompileOptions *options)
+{
+    std::string sourcePath;
+    uncompile();
+
+    const angle::FeaturesD3D &features = mRenderer->getFeatures();
+    const gl::Extensions &extensions   = mRenderer->getNativeExtensions();
+
+    const std::string &source = mState.getSource();
+
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP)
+    if (gl::DebugAnnotationsActive(context))
+    {
+        sourcePath = angle::CreateTemporaryFile().value();
+        writeFile(sourcePath.c_str(), source.c_str(), source.length());
+        options->lineDirectives = true;
+        options->sourcePath     = true;
+    }
+#endif
+
+    if (features.expandIntegerPowExpressions.enabled)
+    {
+        options->expandSelectHLSLIntegerPowExpressions = true;
+    }
+
+    if (features.getDimensionsIgnoresBaseLevel.enabled)
+    {
+        options->HLSLGetDimensionsIgnoresBaseLevel = true;
+    }
+
+    if (features.preAddTexelFetchOffsets.enabled)
+    {
+        options->rewriteTexelFetchOffsetToTexelFetch = true;
+    }
+    if (features.rewriteUnaryMinusOperator.enabled)
+    {
+        options->rewriteIntegerUnaryMinusOperator = true;
+    }
+    if (features.emulateIsnanFloat.enabled)
+    {
+        options->emulateIsnanFloatFunction = true;
+    }
+    if (features.skipVSConstantRegisterZero.enabled &&
+        mState.getShaderType() == gl::ShaderType::Vertex)
+    {
+        options->skipD3DConstantRegisterZero = true;
+    }
+    if (features.forceAtomicValueResolution.enabled)
+    {
+        options->forceAtomicValueResolution = true;
+    }
+    if (features.allowTranslateUniformBlockToStructuredBuffer.enabled)
+    {
+        options->allowTranslateUniformBlockToStructuredBuffer = true;
+    }
+    if (extensions.multiviewOVR || extensions.multiview2OVR)
+    {
+        options->initializeBuiltinsForInstancedMultiview = true;
+    }
+    if (extensions.shaderPixelLocalStorageANGLE)
+    {
+        options->pls.type = mRenderer->getNativePixelLocalStorageType();
+        if (extensions.shaderPixelLocalStorageCoherentANGLE)
+        {
+            options->pls.fragmentSynchronizationType =
+                ShFragmentSynchronizationType::RasterizerOrderViews_D3D;
+        }
+    }
+
+    auto postTranslateFunctor = [this](gl::ShCompilerInstance *compiler, std::string *infoLog) {
+        // TODO(jmadill): We shouldn't need to cache this.
+        mCompilerOutputType = compiler->getShaderOutputType();
+
+        const std::string &translatedSource = mState.getTranslatedSource();
+
+        mUsesMultipleRenderTargets = translatedSource.find("GL_USES_MRT") != std::string::npos;
+        mUsesFragColor      = translatedSource.find("GL_USES_FRAG_COLOR") != std::string::npos;
+        mUsesFragData       = translatedSource.find("GL_USES_FRAG_DATA") != std::string::npos;
+        mUsesSecondaryColor = translatedSource.find("GL_USES_SECONDARY_COLOR") != std::string::npos;
+        mUsesFragCoord      = translatedSource.find("GL_USES_FRAG_COORD") != std::string::npos;
+        mUsesFrontFacing    = translatedSource.find("GL_USES_FRONT_FACING") != std::string::npos;
+        mUsesHelperInvocation =
+            translatedSource.find("GL_USES_HELPER_INVOCATION") != std::string::npos;
+        mUsesPointSize  = translatedSource.find("GL_USES_POINT_SIZE") != std::string::npos;
+        mUsesPointCoord = translatedSource.find("GL_USES_POINT_COORD") != std::string::npos;
+        mUsesDepthRange = translatedSource.find("GL_USES_DEPTH_RANGE") != std::string::npos;
+        mUsesFragDepth  = translatedSource.find("GL_USES_FRAG_DEPTH") != std::string::npos;
+        mHasANGLEMultiviewEnabled =
+            translatedSource.find("GL_ANGLE_MULTIVIEW_ENABLED") != std::string::npos;
+        mUsesVertexID = translatedSource.find("GL_USES_VERTEX_ID") != std::string::npos;
+        mUsesViewID   = translatedSource.find("GL_USES_VIEW_ID") != std::string::npos;
+        mUsesDiscardRewriting =
+            translatedSource.find("ANGLE_USES_DISCARD_REWRITING") != std::string::npos;
+        mUsesNestedBreak = translatedSource.find("ANGLE_USES_NESTED_BREAK") != std::string::npos;
+        mRequiresIEEEStrictCompiling =
+            translatedSource.find("ANGLE_REQUIRES_IEEE_STRICT_COMPILING") != std::string::npos;
+
+        ShHandle compilerHandle = compiler->getHandle();
+
+        mUniformRegisterMap = GetUniformRegisterMap(sh::GetUniformRegisterMap(compilerHandle));
+        mReadonlyImage2DRegisterIndex = sh::GetReadonlyImage2DRegisterIndex(compilerHandle);
+        mImage2DRegisterIndex         = sh::GetImage2DRegisterIndex(compilerHandle);
+        mUsedImage2DFunctionNames =
+            GetUsedImage2DFunctionNames(sh::GetUsedImage2DFunctionNames(compilerHandle));
+
+        for (const sh::InterfaceBlock &interfaceBlock : mState.getUniformBlocks())
+        {
+            if (interfaceBlock.active)
+            {
+                unsigned int index = static_cast<unsigned int>(-1);
+                bool blockRegisterResult =
+                    sh::GetUniformBlockRegister(compilerHandle, interfaceBlock.name, &index);
+                ASSERT(blockRegisterResult);
+                bool useStructuredBuffer =
+                    sh::ShouldUniformBlockUseStructuredBuffer(compilerHandle, interfaceBlock.name);
+
+                mUniformBlockRegisterMap[interfaceBlock.name]            = index;
+                mUniformBlockUseStructuredBufferMap[interfaceBlock.name] = useStructuredBuffer;
+            }
+        }
+
+        mSlowCompilingUniformBlockSet =
+            GetSlowCompilingUniformBlockSet(sh::GetSlowCompilingUniformBlockSet(compilerHandle));
+
+        for (const sh::InterfaceBlock &interfaceBlock : mState.getShaderStorageBlocks())
+        {
+            if (interfaceBlock.active)
+            {
+                unsigned int index = static_cast<unsigned int>(-1);
+                bool blockRegisterResult =
+                    sh::GetShaderStorageBlockRegister(compilerHandle, interfaceBlock.name, &index);
+                ASSERT(blockRegisterResult);
+
+                mShaderStorageBlockRegisterMap[interfaceBlock.name] = index;
+            }
+        }
+
+        mDebugInfo += std::string("// ") + gl::GetShaderTypeString(mState.getShaderType()) +
+                      " SHADER BEGIN\n";
+        mDebugInfo += "\n// GLSL BEGIN\n\n" + mState.getSource() + "\n\n// GLSL END\n\n\n";
+        mDebugInfo +=
+            "// INITIAL HLSL BEGIN\n\n" + translatedSource + "\n// INITIAL HLSL END\n\n\n";
+        // Successive steps will append more info
+        return true;
+    };
+
+    auto workerThreadPool = context->getWorkerThreadPool();
+    auto translateTask = std::make_shared<TranslateTaskD3D>(compilerInstance->getHandle(), *options,
+                                                            source, sourcePath);
+
+    return std::make_shared<WaitableCompileEventD3D>(
+        angle::WorkerThreadPool::PostWorkerTask(workerThreadPool, translateTask), compilerInstance,
+        std::move(postTranslateFunctor), translateTask);
+}
+
+bool ShaderD3D::hasUniform(const std::string &name) const
+{
+    return mUniformRegisterMap.find(name) != mUniformRegisterMap.end();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.h
new file mode 100644
index 0000000000..d1c5622a27
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderD3D.h
@@ -0,0 +1,126 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderD3D.h: Defines the rx::ShaderD3D class which implements rx::ShaderImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_SHADERD3D_H_
+#define LIBANGLE_RENDERER_D3D_SHADERD3D_H_
+
+#include "libANGLE/renderer/ShaderImpl.h"
+
+#include <map>
+
+namespace angle
+{
+struct FeaturesD3D;
+}  // namespace angle
+
+namespace gl
+{
+struct Extensions;
+}
+
+namespace rx
+{
+class DynamicHLSL;
+class RendererD3D;
+struct D3DUniform;
+
+// Workarounds attached to each shader. Do not need to expose information about these workarounds so
+// a simple bool struct suffices.
+struct CompilerWorkaroundsD3D
+{
+    bool skipOptimization = false;
+
+    bool useMaxOptimization = false;
+
+    // IEEE strictness needs to be enabled for NANs to work.
+    bool enableIEEEStrictness = false;
+};
+
+class ShaderD3D : public ShaderImpl
+{
+  public:
+    ShaderD3D(const gl::ShaderState &state, RendererD3D *renderer);
+    ~ShaderD3D() override;
+
+    std::shared_ptr<WaitableCompileEvent> compile(const gl::Context *context,
+                                                  gl::ShCompilerInstance *compilerInstance,
+                                                  ShCompileOptions *options) override;
+
+    std::string getDebugInfo() const override;
+
+    // D3D-specific methods
+    void uncompile();
+
+    bool hasUniform(const std::string &name) const;
+
+    // Query regular uniforms with their name. Query sampler fields of structs with field selection
+    // using dot (.) operator.
+    unsigned int getUniformRegister(const std::string &uniformName) const;
+
+    unsigned int getUniformBlockRegister(const std::string &blockName) const;
+    bool shouldUniformBlockUseStructuredBuffer(const std::string &blockName) const;
+    unsigned int getShaderStorageBlockRegister(const std::string &blockName) const;
+    unsigned int getReadonlyImage2DRegisterIndex() const { return mReadonlyImage2DRegisterIndex; }
+    unsigned int getImage2DRegisterIndex() const { return mImage2DRegisterIndex; }
+    bool useImage2DFunction(const std::string &functionName) const;
+    const std::set<std::string> &getSlowCompilingUniformBlockSet() const;
+    void appendDebugInfo(const std::string &info) const { mDebugInfo += info; }
+
+    void generateWorkarounds(CompilerWorkaroundsD3D *workarounds) const;
+
+    bool usesMultipleRenderTargets() const { return mUsesMultipleRenderTargets; }
+    bool usesFragColor() const { return mUsesFragColor; }
+    bool usesFragData() const { return mUsesFragData; }
+    bool usesSecondaryColor() const { return mUsesSecondaryColor; }
+    bool usesFragCoord() const { return mUsesFragCoord; }
+    bool usesFrontFacing() const { return mUsesFrontFacing; }
+    bool usesHelperInvocation() const { return mUsesHelperInvocation; }
+    bool usesPointSize() const { return mUsesPointSize; }
+    bool usesPointCoord() const { return mUsesPointCoord; }
+    bool usesDepthRange() const { return mUsesDepthRange; }
+    bool usesFragDepth() const { return mUsesFragDepth; }
+    bool usesVertexID() const { return mUsesVertexID; }
+    bool usesViewID() const { return mUsesViewID; }
+    bool hasANGLEMultiviewEnabled() const { return mHasANGLEMultiviewEnabled; }
+
+    ShShaderOutput getCompilerOutputType() const;
+
+  private:
+    bool mUsesMultipleRenderTargets;
+    bool mUsesFragColor;
+    bool mUsesFragData;
+    bool mUsesSecondaryColor;
+    bool mUsesFragCoord;
+    bool mUsesFrontFacing;
+    bool mUsesHelperInvocation;
+    bool mUsesPointSize;
+    bool mUsesPointCoord;
+    bool mUsesDepthRange;
+    bool mUsesFragDepth;
+    bool mHasANGLEMultiviewEnabled;
+    bool mUsesVertexID;
+    bool mUsesViewID;
+    bool mUsesDiscardRewriting;
+    bool mUsesNestedBreak;
+    bool mRequiresIEEEStrictCompiling;
+
+    RendererD3D *mRenderer;
+    ShShaderOutput mCompilerOutputType;
+    mutable std::string mDebugInfo;
+    std::map<std::string, unsigned int> mUniformRegisterMap;
+    std::map<std::string, unsigned int> mUniformBlockRegisterMap;
+    std::map<std::string, bool> mUniformBlockUseStructuredBufferMap;
+    std::set<std::string> mSlowCompilingUniformBlockSet;
+    std::map<std::string, unsigned int> mShaderStorageBlockRegisterMap;
+    unsigned int mReadonlyImage2DRegisterIndex;
+    unsigned int mImage2DRegisterIndex;
+    std::set<std::string> mUsedImage2DFunctionNames;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_SHADERD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderExecutableD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderExecutableD3D.cpp
new file mode 100644
index 0000000000..eab3becc91
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderExecutableD3D.cpp
@@ -0,0 +1,67 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderExecutable.cpp: Implements a class to contain D3D shader executable
+// implementation details.
+
+#include "libANGLE/renderer/d3d/ShaderExecutableD3D.h"
+
+#include "common/angleutils.h"
+
+namespace rx
+{
+
+ShaderExecutableD3D::ShaderExecutableD3D(const void *function, size_t length)
+    : mFunctionBuffer(length)
+{
+    memcpy(mFunctionBuffer.data(), function, length);
+}
+
+ShaderExecutableD3D::~ShaderExecutableD3D() {}
+
+const uint8_t *ShaderExecutableD3D::getFunction() const
+{
+    return mFunctionBuffer.data();
+}
+
+size_t ShaderExecutableD3D::getLength() const
+{
+    return mFunctionBuffer.size();
+}
+
+const std::string &ShaderExecutableD3D::getDebugInfo() const
+{
+    return mDebugInfo;
+}
+
+void ShaderExecutableD3D::appendDebugInfo(const std::string &info)
+{
+    mDebugInfo += info;
+}
+
+UniformStorageD3D::UniformStorageD3D(size_t initialSize) : mUniformData()
+{
+    bool result = mUniformData.resize(initialSize);
+    ASSERT(result);
+
+    // Uniform data is zero-initialized by default.
+    mUniformData.fill(0);
+}
+
+UniformStorageD3D::~UniformStorageD3D() {}
+
+size_t UniformStorageD3D::size() const
+{
+    return mUniformData.size();
+}
+
+uint8_t *UniformStorageD3D::getDataPointer(unsigned int registerIndex, unsigned int registerElement)
+{
+    size_t offset = ((registerIndex * 4 + registerElement) * sizeof(float));
+    return mUniformData.data() + offset;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderExecutableD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderExecutableD3D.h
new file mode 100644
index 0000000000..673822b152
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/ShaderExecutableD3D.h
@@ -0,0 +1,57 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderExecutable.h: Defines a class to contain D3D shader executable
+// implementation details.
+
+#ifndef LIBANGLE_RENDERER_D3D_SHADEREXECUTABLED3D_H_
+#define LIBANGLE_RENDERER_D3D_SHADEREXECUTABLED3D_H_
+
+#include "common/MemoryBuffer.h"
+#include "common/debug.h"
+
+#include <cstdint>
+#include <vector>
+
+namespace rx
+{
+
+class ShaderExecutableD3D : angle::NonCopyable
+{
+  public:
+    ShaderExecutableD3D(const void *function, size_t length);
+    virtual ~ShaderExecutableD3D();
+
+    const uint8_t *getFunction() const;
+
+    size_t getLength() const;
+
+    const std::string &getDebugInfo() const;
+
+    void appendDebugInfo(const std::string &info);
+
+  private:
+    std::vector<uint8_t> mFunctionBuffer;
+    std::string mDebugInfo;
+};
+
+class UniformStorageD3D : angle::NonCopyable
+{
+  public:
+    UniformStorageD3D(size_t initialSize);
+    virtual ~UniformStorageD3D();
+
+    size_t size() const;
+
+    uint8_t *getDataPointer(unsigned int registerIndex, unsigned int registerElement);
+
+  private:
+    angle::MemoryBuffer mUniformData;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_SHADEREXECUTABLED3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.cpp
new file mode 100644
index 0000000000..256808637f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.cpp
@@ -0,0 +1,517 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SurfaceD3D.cpp: D3D implementation of an EGL surface
+
+#include "libANGLE/renderer/d3d/SurfaceD3D.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/renderer/Format.h"
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/SwapChainD3D.h"
+
+#include <EGL/eglext.h>
+#include <tchar.h>
+#include <algorithm>
+
+namespace rx
+{
+
+SurfaceD3D::SurfaceD3D(const egl::SurfaceState &state,
+                       RendererD3D *renderer,
+                       egl::Display *display,
+                       EGLNativeWindowType window,
+                       EGLenum buftype,
+                       EGLClientBuffer clientBuffer,
+                       const egl::AttributeMap &attribs)
+    : SurfaceImpl(state),
+      mRenderer(renderer),
+      mDisplay(display),
+      mFixedSize(window == nullptr || attribs.get(EGL_FIXED_SIZE_ANGLE, EGL_FALSE) == EGL_TRUE),
+      mFixedWidth(0),
+      mFixedHeight(0),
+      mOrientation(static_cast<EGLint>(attribs.get(EGL_SURFACE_ORIENTATION_ANGLE, 0))),
+      mRenderTargetFormat(state.config->renderTargetFormat),
+      mDepthStencilFormat(state.config->depthStencilFormat),
+      mColorFormat(nullptr),
+      mSwapChain(nullptr),
+      mSwapIntervalDirty(true),
+      mNativeWindow(renderer->createNativeWindow(window, state.config, attribs)),
+      mWidth(static_cast<EGLint>(attribs.get(EGL_WIDTH, 0))),
+      mHeight(static_cast<EGLint>(attribs.get(EGL_HEIGHT, 0))),
+      mSwapInterval(1),
+      mShareHandle(0),
+      mD3DTexture(nullptr),
+      mBuftype(buftype)
+{
+    if (window != nullptr && !mFixedSize)
+    {
+        mWidth  = -1;
+        mHeight = -1;
+    }
+
+    if (mFixedSize)
+    {
+        mFixedWidth  = mWidth;
+        mFixedHeight = mHeight;
+    }
+
+    switch (buftype)
+    {
+        case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE:
+            mShareHandle = static_cast<HANDLE>(clientBuffer);
+            break;
+
+        case EGL_D3D_TEXTURE_ANGLE:
+            mD3DTexture = static_cast<IUnknown *>(clientBuffer);
+            ASSERT(mD3DTexture != nullptr);
+            mD3DTexture->AddRef();
+            break;
+
+        default:
+            break;
+    }
+}
+
+SurfaceD3D::~SurfaceD3D()
+{
+    releaseSwapChain();
+    SafeDelete(mNativeWindow);
+    SafeRelease(mD3DTexture);
+}
+
+void SurfaceD3D::releaseSwapChain()
+{
+    SafeDelete(mSwapChain);
+}
+
+egl::Error SurfaceD3D::initialize(const egl::Display *display)
+{
+    if (mNativeWindow->getNativeWindow())
+    {
+        if (!mNativeWindow->initialize())
+        {
+            return egl::EglBadSurface();
+        }
+    }
+
+    if (mBuftype == EGL_D3D_TEXTURE_ANGLE)
+    {
+        ANGLE_TRY(mRenderer->getD3DTextureInfo(mState.config, mD3DTexture, mState.attributes,
+                                               &mFixedWidth, &mFixedHeight, nullptr, nullptr,
+                                               &mColorFormat, nullptr));
+        if (mState.attributes.contains(EGL_GL_COLORSPACE))
+        {
+            if (mColorFormat->id != angle::FormatID::R8G8B8A8_TYPELESS &&
+                mColorFormat->id != angle::FormatID::B8G8R8A8_TYPELESS)
+            {
+                return egl::EglBadMatch()
+                       << "EGL_GL_COLORSPACE may only be specified for TYPELESS textures";
+            }
+        }
+        if (mColorFormat->id == angle::FormatID::R8G8B8A8_TYPELESS)
+        {
+            EGLAttrib colorspace =
+                mState.attributes.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_LINEAR);
+            if (colorspace == EGL_GL_COLORSPACE_SRGB)
+            {
+                mColorFormat = &angle::Format::Get(angle::FormatID::R8G8B8A8_TYPELESS_SRGB);
+            }
+        }
+        if (mColorFormat->id == angle::FormatID::B8G8R8A8_TYPELESS)
+        {
+            EGLAttrib colorspace =
+                mState.attributes.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_LINEAR);
+            if (colorspace == EGL_GL_COLORSPACE_SRGB)
+            {
+                mColorFormat = &angle::Format::Get(angle::FormatID::B8G8R8A8_TYPELESS_SRGB);
+            }
+        }
+        mRenderTargetFormat = mColorFormat->fboImplementationInternalFormat;
+    }
+
+    ANGLE_TRY(resetSwapChain(display));
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::bindTexImage(const gl::Context *, gl::Texture *, EGLint)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::releaseTexImage(const gl::Context *, EGLint)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc)
+{
+    if (!mState.directComposition)
+    {
+        return egl::EglBadSurface()
+               << "getSyncValues: surface requires Direct Composition to be enabled";
+    }
+
+    return mSwapChain->getSyncValues(ust, msc, sbc);
+}
+
+egl::Error SurfaceD3D::getMscRate(EGLint *numerator, EGLint *denominator)
+{
+    UNIMPLEMENTED();
+    return egl::EglBadAccess();
+}
+
+egl::Error SurfaceD3D::resetSwapChain(const egl::Display *display)
+{
+    ASSERT(!mSwapChain);
+
+    int width;
+    int height;
+
+    if (!mFixedSize)
+    {
+        RECT windowRect;
+        if (!mNativeWindow->getClientRect(&windowRect))
+        {
+            ASSERT(false);
+
+            return egl::EglBadSurface() << "Could not retrieve the window dimensions";
+        }
+
+        width  = windowRect.right - windowRect.left;
+        height = windowRect.bottom - windowRect.top;
+    }
+    else
+    {
+        // non-window surface - size is determined at creation
+        width  = mFixedWidth;
+        height = mFixedHeight;
+    }
+
+    mSwapChain =
+        mRenderer->createSwapChain(mNativeWindow, mShareHandle, mD3DTexture, mRenderTargetFormat,
+                                   mDepthStencilFormat, mOrientation, mState.config->samples);
+    if (!mSwapChain)
+    {
+        return egl::EglBadAlloc();
+    }
+
+    // This is a bit risky to pass the proxy context here, but it can happen at almost any time.
+    DisplayD3D *displayD3D = GetImplAs<DisplayD3D>(display);
+    egl::Error error       = resetSwapChain(displayD3D, width, height);
+    if (error.isError())
+    {
+        SafeDelete(mSwapChain);
+        return error;
+    }
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::resizeSwapChain(DisplayD3D *displayD3D,
+                                       int backbufferWidth,
+                                       int backbufferHeight)
+{
+    ASSERT(backbufferWidth >= 0 && backbufferHeight >= 0);
+    ASSERT(mSwapChain);
+
+    EGLint status =
+        mSwapChain->resize(displayD3D, std::max(1, backbufferWidth), std::max(1, backbufferHeight));
+
+    if (status == EGL_CONTEXT_LOST)
+    {
+        mDisplay->notifyDeviceLost();
+        return egl::Error(status);
+    }
+    else if (status != EGL_SUCCESS)
+    {
+        return egl::Error(status);
+    }
+
+    mWidth  = backbufferWidth;
+    mHeight = backbufferHeight;
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::resetSwapChain(DisplayD3D *displayD3D,
+                                      int backbufferWidth,
+                                      int backbufferHeight)
+{
+    ASSERT(backbufferWidth >= 0 && backbufferHeight >= 0);
+    ASSERT(mSwapChain);
+
+    EGLint status = mSwapChain->reset(displayD3D, std::max(1, backbufferWidth),
+                                      std::max(1, backbufferHeight), mSwapInterval);
+
+    if (status == EGL_CONTEXT_LOST)
+    {
+        mRenderer->notifyDeviceLost();
+        return egl::Error(status);
+    }
+    else if (status != EGL_SUCCESS)
+    {
+        return egl::Error(status);
+    }
+
+    mWidth             = backbufferWidth;
+    mHeight            = backbufferHeight;
+    mSwapIntervalDirty = false;
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::swapRect(DisplayD3D *displayD3D,
+                                EGLint x,
+                                EGLint y,
+                                EGLint width,
+                                EGLint height)
+{
+    if (!mSwapChain)
+    {
+        return egl::NoError();
+    }
+
+    if (x + width > mWidth)
+    {
+        width = mWidth - x;
+    }
+
+    if (y + height > mHeight)
+    {
+        height = mHeight - y;
+    }
+
+    if (width != 0 && height != 0)
+    {
+        EGLint status = mSwapChain->swapRect(displayD3D, x, y, width, height);
+
+        if (status == EGL_CONTEXT_LOST)
+        {
+            mRenderer->notifyDeviceLost();
+            return egl::Error(status);
+        }
+        else if (status != EGL_SUCCESS)
+        {
+            return egl::Error(status);
+        }
+    }
+
+    ANGLE_TRY(checkForOutOfDateSwapChain(displayD3D));
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::checkForOutOfDateSwapChain(DisplayD3D *displayD3D)
+{
+    RECT client;
+    int clientWidth  = getWidth();
+    int clientHeight = getHeight();
+    bool sizeDirty   = false;
+    if (!mFixedSize && !mNativeWindow->isIconic())
+    {
+        // The window is automatically resized to 150x22 when it's minimized, but the swapchain
+        // shouldn't be resized because that's not a useful size to render to.
+        if (!mNativeWindow->getClientRect(&client))
+        {
+            UNREACHABLE();
+            return egl::NoError();
+        }
+
+        // Grow the buffer now, if the window has grown. We need to grow now to avoid losing
+        // information.
+        clientWidth  = client.right - client.left;
+        clientHeight = client.bottom - client.top;
+        sizeDirty    = clientWidth != getWidth() || clientHeight != getHeight();
+    }
+    else if (mFixedSize)
+    {
+        clientWidth  = mFixedWidth;
+        clientHeight = mFixedHeight;
+        sizeDirty    = mFixedWidth != getWidth() || mFixedHeight != getHeight();
+    }
+
+    if (mSwapIntervalDirty)
+    {
+        ANGLE_TRY(resetSwapChain(displayD3D, clientWidth, clientHeight));
+    }
+    else if (sizeDirty)
+    {
+        ANGLE_TRY(resizeSwapChain(displayD3D, clientWidth, clientHeight));
+    }
+
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::swap(const gl::Context *context)
+{
+    DisplayD3D *displayD3D = GetImplAs<DisplayD3D>(context->getDisplay());
+    return swapRect(displayD3D, 0, 0, mWidth, mHeight);
+}
+
+egl::Error SurfaceD3D::postSubBuffer(const gl::Context *context,
+                                     EGLint x,
+                                     EGLint y,
+                                     EGLint width,
+                                     EGLint height)
+{
+    DisplayD3D *displayD3D = GetImplAs<DisplayD3D>(context->getDisplay());
+    return swapRect(displayD3D, x, y, width, height);
+}
+
+rx::SwapChainD3D *SurfaceD3D::getSwapChain() const
+{
+    return mSwapChain;
+}
+
+void SurfaceD3D::setSwapInterval(EGLint interval)
+{
+    if (mSwapInterval == interval)
+    {
+        return;
+    }
+
+    mSwapInterval      = interval;
+    mSwapIntervalDirty = true;
+}
+
+void SurfaceD3D::setFixedWidth(EGLint width)
+{
+    mFixedWidth = width;
+}
+
+void SurfaceD3D::setFixedHeight(EGLint height)
+{
+    mFixedHeight = height;
+}
+
+EGLint SurfaceD3D::getWidth() const
+{
+    return mWidth;
+}
+
+EGLint SurfaceD3D::getHeight() const
+{
+    return mHeight;
+}
+
+EGLint SurfaceD3D::isPostSubBufferSupported() const
+{
+    // post sub buffer is always possible on D3D surfaces
+    return EGL_TRUE;
+}
+
+EGLint SurfaceD3D::getSwapBehavior() const
+{
+    return EGL_BUFFER_PRESERVED;
+}
+
+egl::Error SurfaceD3D::querySurfacePointerANGLE(EGLint attribute, void **value)
+{
+    if (attribute == EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE)
+    {
+        *value = mSwapChain->getShareHandle();
+    }
+    else if (attribute == EGL_DXGI_KEYED_MUTEX_ANGLE)
+    {
+        *value = mSwapChain->getKeyedMutex();
+    }
+    else
+        UNREACHABLE();
+
+    return egl::NoError();
+}
+
+const angle::Format *SurfaceD3D::getD3DTextureColorFormat() const
+{
+    return mColorFormat;
+}
+
+egl::Error SurfaceD3D::attachToFramebuffer(const gl::Context *context, gl::Framebuffer *framebuffer)
+{
+    return egl::NoError();
+}
+
+egl::Error SurfaceD3D::detachFromFramebuffer(const gl::Context *context,
+                                             gl::Framebuffer *framebuffer)
+{
+    return egl::NoError();
+}
+
+angle::Result SurfaceD3D::getAttachmentRenderTarget(const gl::Context *context,
+                                                    GLenum binding,
+                                                    const gl::ImageIndex &imageIndex,
+                                                    GLsizei samples,
+                                                    FramebufferAttachmentRenderTarget **rtOut)
+{
+    if (binding == GL_BACK)
+    {
+        *rtOut = mSwapChain->getColorRenderTarget();
+    }
+    else
+    {
+        *rtOut = mSwapChain->getDepthStencilRenderTarget();
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result SurfaceD3D::initializeContents(const gl::Context *context,
+                                             GLenum binding,
+                                             const gl::ImageIndex &imageIndex)
+{
+    switch (binding)
+    {
+        case GL_BACK:
+            ASSERT(mState.config->renderTargetFormat != GL_NONE);
+            ANGLE_TRY(mRenderer->initRenderTarget(context, mSwapChain->getColorRenderTarget()));
+            break;
+
+        case GL_DEPTH:
+        case GL_STENCIL:
+            ASSERT(mState.config->depthStencilFormat != GL_NONE);
+            ANGLE_TRY(
+                mRenderer->initRenderTarget(context, mSwapChain->getDepthStencilRenderTarget()));
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+    return angle::Result::Continue;
+}
+
+WindowSurfaceD3D::WindowSurfaceD3D(const egl::SurfaceState &state,
+                                   RendererD3D *renderer,
+                                   egl::Display *display,
+                                   EGLNativeWindowType window,
+                                   const egl::AttributeMap &attribs)
+    : SurfaceD3D(state, renderer, display, window, 0, static_cast<EGLClientBuffer>(0), attribs)
+{}
+
+WindowSurfaceD3D::~WindowSurfaceD3D() {}
+
+PbufferSurfaceD3D::PbufferSurfaceD3D(const egl::SurfaceState &state,
+                                     RendererD3D *renderer,
+                                     egl::Display *display,
+                                     EGLenum buftype,
+                                     EGLClientBuffer clientBuffer,
+                                     const egl::AttributeMap &attribs)
+    : SurfaceD3D(state,
+                 renderer,
+                 display,
+                 static_cast<EGLNativeWindowType>(0),
+                 buftype,
+                 clientBuffer,
+                 attribs)
+{}
+
+PbufferSurfaceD3D::~PbufferSurfaceD3D() {}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.h
new file mode 100644
index 0000000000..720943c8d1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SurfaceD3D.h
@@ -0,0 +1,145 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SurfaceD3D.h: D3D implementation of an EGL surface
+
+#ifndef LIBANGLE_RENDERER_D3D_SURFACED3D_H_
+#define LIBANGLE_RENDERER_D3D_SURFACED3D_H_
+
+#include "libANGLE/renderer/SurfaceImpl.h"
+#include "libANGLE/renderer/d3d/NativeWindowD3D.h"
+
+namespace egl
+{
+class Surface;
+}
+
+namespace rx
+{
+class DisplayD3D;
+class SwapChainD3D;
+class RendererD3D;
+
+class SurfaceD3D : public SurfaceImpl
+{
+  public:
+    ~SurfaceD3D() override;
+    void releaseSwapChain();
+
+    egl::Error initialize(const egl::Display *display) override;
+
+    egl::Error swap(const gl::Context *context) override;
+    egl::Error postSubBuffer(const gl::Context *context,
+                             EGLint x,
+                             EGLint y,
+                             EGLint width,
+                             EGLint height) override;
+    egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override;
+    egl::Error bindTexImage(const gl::Context *context,
+                            gl::Texture *texture,
+                            EGLint buffer) override;
+    egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override;
+    egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) override;
+    egl::Error getMscRate(EGLint *numerator, EGLint *denominator) override;
+    void setSwapInterval(EGLint interval) override;
+    void setFixedWidth(EGLint width) override;
+    void setFixedHeight(EGLint height) override;
+
+    EGLint getWidth() const override;
+    EGLint getHeight() const override;
+
+    EGLint isPostSubBufferSupported() const override;
+    EGLint getSwapBehavior() const override;
+
+    // D3D implementations
+    SwapChainD3D *getSwapChain() const;
+
+    egl::Error resetSwapChain(const egl::Display *display);
+
+    egl::Error checkForOutOfDateSwapChain(DisplayD3D *displayD3D);
+
+    angle::Result getAttachmentRenderTarget(const gl::Context *context,
+                                            GLenum binding,
+                                            const gl::ImageIndex &imageIndex,
+                                            GLsizei samples,
+                                            FramebufferAttachmentRenderTarget **rtOut) override;
+    angle::Result initializeContents(const gl::Context *context,
+                                     GLenum binding,
+                                     const gl::ImageIndex &imageIndex) override;
+
+    const angle::Format *getD3DTextureColorFormat() const override;
+
+    egl::Error attachToFramebuffer(const gl::Context *context,
+                                   gl::Framebuffer *framebuffer) override;
+    egl::Error detachFromFramebuffer(const gl::Context *context,
+                                     gl::Framebuffer *framebuffer) override;
+
+  protected:
+    SurfaceD3D(const egl::SurfaceState &state,
+               RendererD3D *renderer,
+               egl::Display *display,
+               EGLNativeWindowType window,
+               EGLenum buftype,
+               EGLClientBuffer clientBuffer,
+               const egl::AttributeMap &attribs);
+
+    egl::Error swapRect(DisplayD3D *displayD3D, EGLint x, EGLint y, EGLint width, EGLint height);
+    egl::Error resetSwapChain(DisplayD3D *displayD3D, int backbufferWidth, int backbufferHeight);
+    egl::Error resizeSwapChain(DisplayD3D *displayD3D, int backbufferWidth, int backbufferHeight);
+
+    RendererD3D *mRenderer;
+    egl::Display *mDisplay;
+
+    bool mFixedSize;
+    GLint mFixedWidth;
+    GLint mFixedHeight;
+    GLint mOrientation;
+
+    GLenum mRenderTargetFormat;
+    GLenum mDepthStencilFormat;
+    const angle::Format *mColorFormat;
+
+    SwapChainD3D *mSwapChain;
+    bool mSwapIntervalDirty;
+
+    NativeWindowD3D *mNativeWindow;  // Handler for the Window that the surface is created for.
+    EGLint mWidth;
+    EGLint mHeight;
+
+    EGLint mSwapInterval;
+
+    HANDLE mShareHandle;
+    IUnknown *mD3DTexture;
+
+    EGLenum mBuftype;
+};
+
+class WindowSurfaceD3D : public SurfaceD3D
+{
+  public:
+    WindowSurfaceD3D(const egl::SurfaceState &state,
+                     RendererD3D *renderer,
+                     egl::Display *display,
+                     EGLNativeWindowType window,
+                     const egl::AttributeMap &attribs);
+    ~WindowSurfaceD3D() override;
+};
+
+class PbufferSurfaceD3D : public SurfaceD3D
+{
+  public:
+    PbufferSurfaceD3D(const egl::SurfaceState &state,
+                      RendererD3D *renderer,
+                      egl::Display *display,
+                      EGLenum buftype,
+                      EGLClientBuffer clientBuffer,
+                      const egl::AttributeMap &attribs);
+    ~PbufferSurfaceD3D() override;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_SURFACED3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/SwapChainD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SwapChainD3D.cpp
new file mode 100644
index 0000000000..8891888a68
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SwapChainD3D.cpp
@@ -0,0 +1,34 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SwapChainD3D.cpp: Defines a back-end specific class that hides the details of the
+// implementation-specific swapchain.
+
+#include "libANGLE/renderer/d3d/SwapChainD3D.h"
+
+namespace rx
+{
+
+SwapChainD3D::SwapChainD3D(HANDLE shareHandle,
+                           IUnknown *d3dTexture,
+                           GLenum backBufferFormat,
+                           GLenum depthBufferFormat)
+    : mOffscreenRenderTargetFormat(backBufferFormat),
+      mDepthBufferFormat(depthBufferFormat),
+      mShareHandle(shareHandle),
+      mD3DTexture(d3dTexture)
+{
+    if (mD3DTexture)
+    {
+        mD3DTexture->AddRef();
+    }
+}
+
+SwapChainD3D::~SwapChainD3D()
+{
+    SafeRelease(mD3DTexture);
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/SwapChainD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SwapChainD3D.h
new file mode 100644
index 0000000000..fcbab95c8d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/SwapChainD3D.h
@@ -0,0 +1,83 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SwapChainD3D.h: Defines a back-end specific class that hides the details of the
+// implementation-specific swapchain.
+
+#ifndef LIBANGLE_RENDERER_D3D_SWAPCHAIND3D_H_
+#define LIBANGLE_RENDERER_D3D_SWAPCHAIND3D_H_
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+
+#include "common/angleutils.h"
+#include "common/platform.h"
+#include "libANGLE/Error.h"
+
+#if !defined(ANGLE_FORCE_VSYNC_OFF)
+#    define ANGLE_FORCE_VSYNC_OFF 0
+#endif
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace egl
+{
+class Display;
+}  // namespace egl
+
+namespace rx
+{
+class DisplayD3D;
+class RenderTargetD3D;
+
+class SwapChainD3D : angle::NonCopyable
+{
+  public:
+    SwapChainD3D(HANDLE shareHandle,
+                 IUnknown *d3dTexture,
+                 GLenum backBufferFormat,
+                 GLenum depthBufferFormat);
+    virtual ~SwapChainD3D();
+
+    virtual EGLint resize(DisplayD3D *displayD3D,
+                          EGLint backbufferWidth,
+                          EGLint backbufferSize) = 0;
+    virtual EGLint reset(DisplayD3D *displayD3D,
+                         EGLint backbufferWidth,
+                         EGLint backbufferHeight,
+                         EGLint swapInterval)    = 0;
+    virtual EGLint swapRect(DisplayD3D *displayD3D,
+                            EGLint x,
+                            EGLint y,
+                            EGLint width,
+                            EGLint height)       = 0;
+    virtual void recreate()                      = 0;
+
+    virtual RenderTargetD3D *getColorRenderTarget()        = 0;
+    virtual RenderTargetD3D *getDepthStencilRenderTarget() = 0;
+
+    GLenum getRenderTargetInternalFormat() const { return mOffscreenRenderTargetFormat; }
+    GLenum getDepthBufferInternalFormat() const { return mDepthBufferFormat; }
+
+    HANDLE getShareHandle() { return mShareHandle; }
+    virtual void *getKeyedMutex() = 0;
+
+    virtual egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) = 0;
+
+  protected:
+    const GLenum mOffscreenRenderTargetFormat;
+    const GLenum mDepthBufferFormat;
+
+    HANDLE mShareHandle;
+    IUnknown *mD3DTexture;
+};
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_D3D_SWAPCHAIND3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureD3D.cpp
new file mode 100644
index 0000000000..fc22f000be
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureD3D.cpp
@@ -0,0 +1,4640 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureD3D.cpp: Implementations of the Texture interfaces shared betweeen the D3D backends.
+
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+
+#include "common/mathutil.h"
+#include "common/utilities.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/BufferImpl.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+#include "libANGLE/renderer/d3d/ImageD3D.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/SurfaceD3D.h"
+#include "libANGLE/renderer/d3d/TextureStorage.h"
+
+namespace rx
+{
+
+namespace
+{
+
+angle::Result GetUnpackPointer(const gl::Context *context,
+                               const gl::PixelUnpackState &unpack,
+                               gl::Buffer *unpackBuffer,
+                               const uint8_t *pixels,
+                               ptrdiff_t layerOffset,
+                               const uint8_t **pointerOut)
+{
+    if (unpackBuffer)
+    {
+        // Do a CPU readback here, if we have an unpack buffer bound and the fast GPU path is not
+        // supported
+        ptrdiff_t offset = reinterpret_cast<ptrdiff_t>(pixels);
+
+        // TODO: this is the only place outside of renderer that asks for a buffers raw data.
+        // This functionality should be moved into renderer and the getData method of BufferImpl
+        // removed.
+        BufferD3D *bufferD3D = GetImplAs<BufferD3D>(unpackBuffer);
+        ASSERT(bufferD3D);
+        const uint8_t *bufferData = nullptr;
+        ANGLE_TRY(bufferD3D->getData(context, &bufferData));
+        *pointerOut = bufferData + offset;
+    }
+    else
+    {
+        *pointerOut = pixels;
+    }
+
+    // Offset the pointer for 2D array layer (if it's valid)
+    if (*pointerOut != nullptr)
+    {
+        *pointerOut += layerOffset;
+    }
+
+    return angle::Result::Continue;
+}
+
+bool IsRenderTargetUsage(GLenum usage)
+{
+    return (usage == GL_FRAMEBUFFER_ATTACHMENT_ANGLE);
+}
+}  // namespace
+
+TextureD3D::TextureD3D(const gl::TextureState &state, RendererD3D *renderer)
+    : TextureImpl(state),
+      mRenderer(renderer),
+      mDirtyImages(true),
+      mImmutable(false),
+      mTexStorage(nullptr),
+      mTexStorageObserverBinding(this, kTextureStorageObserverMessageIndex),
+      mBaseLevel(0)
+{}
+
+TextureD3D::~TextureD3D()
+{
+    ASSERT(!mTexStorage);
+}
+
+angle::Result TextureD3D::getNativeTexture(const gl::Context *context, TextureStorage **outStorage)
+{
+    // ensure the underlying texture is created
+    ANGLE_TRY(initializeStorage(context, BindFlags()));
+
+    if (mTexStorage)
+    {
+        ANGLE_TRY(updateStorage(context));
+    }
+
+    ASSERT(outStorage);
+
+    *outStorage = mTexStorage;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::getImageAndSyncFromStorage(const gl::Context *context,
+                                                     const gl::ImageIndex &index,
+                                                     ImageD3D **outImage)
+{
+    ImageD3D *image = getImage(index);
+    if (mTexStorage && mTexStorage->isRenderTarget())
+    {
+        ANGLE_TRY(image->copyFromTexStorage(context, index, mTexStorage));
+        mDirtyImages = true;
+    }
+    image->markClean();
+    *outImage = image;
+    return angle::Result::Continue;
+}
+
+GLint TextureD3D::getLevelZeroWidth() const
+{
+    ASSERT(gl::CountLeadingZeros(static_cast<uint32_t>(getBaseLevelWidth())) > getBaseLevel());
+    return getBaseLevelWidth() << mBaseLevel;
+}
+
+GLint TextureD3D::getLevelZeroHeight() const
+{
+    ASSERT(gl::CountLeadingZeros(static_cast<uint32_t>(getBaseLevelHeight())) > getBaseLevel());
+    return getBaseLevelHeight() << mBaseLevel;
+}
+
+GLint TextureD3D::getLevelZeroDepth() const
+{
+    return getBaseLevelDepth();
+}
+
+GLint TextureD3D::getBaseLevelWidth() const
+{
+    const ImageD3D *baseImage = getBaseLevelImage();
+    return (baseImage ? baseImage->getWidth() : 0);
+}
+
+GLint TextureD3D::getBaseLevelHeight() const
+{
+    const ImageD3D *baseImage = getBaseLevelImage();
+    return (baseImage ? baseImage->getHeight() : 0);
+}
+
+GLint TextureD3D::getBaseLevelDepth() const
+{
+    const ImageD3D *baseImage = getBaseLevelImage();
+    return (baseImage ? baseImage->getDepth() : 0);
+}
+
+// Note: "base level image" is loosely defined to be any image from the base level,
+// where in the base of 2D array textures and cube maps there are several. Don't use
+// the base level image for anything except querying texture format and size.
+GLenum TextureD3D::getBaseLevelInternalFormat() const
+{
+    const ImageD3D *baseImage = getBaseLevelImage();
+    return (baseImage ? baseImage->getInternalFormat() : GL_NONE);
+}
+
+angle::Result TextureD3D::setStorage(const gl::Context *context,
+                                     gl::TextureType type,
+                                     size_t levels,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::setStorageMultisample(const gl::Context *context,
+                                                gl::TextureType type,
+                                                GLsizei samples,
+                                                GLint internalformat,
+                                                const gl::Extents &size,
+                                                bool fixedSampleLocations)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::setBuffer(const gl::Context *context, GLenum internalFormat)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::setStorageExternalMemory(const gl::Context *context,
+                                                   gl::TextureType type,
+                                                   size_t levels,
+                                                   GLenum internalFormat,
+                                                   const gl::Extents &size,
+                                                   gl::MemoryObject *memoryObject,
+                                                   GLuint64 offset,
+                                                   GLbitfield createFlags,
+                                                   GLbitfield usageFlags,
+                                                   const void *imageCreateInfoPNext)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+bool TextureD3D::couldUseSetData() const
+{
+    if (!mRenderer->getFeatures().setDataFasterThanImageUpload.enabled)
+    {
+        return false;
+    }
+
+    if (!mRenderer->getFeatures().setDataFasterThanImageUploadOn128bitFormats.enabled)
+    {
+        gl::InternalFormat internalFormat =
+            gl::GetSizedInternalFormatInfo(getBaseLevelInternalFormat());
+        return internalFormat.pixelBytes < 16;
+    }
+
+    return true;
+}
+
+bool TextureD3D::shouldUseSetData(const ImageD3D *image) const
+{
+    if (!couldUseSetData())
+    {
+        return false;
+    }
+
+    if (image->isDirty())
+    {
+        return false;
+    }
+
+    gl::InternalFormat internalFormat = gl::GetSizedInternalFormatInfo(image->getInternalFormat());
+
+    // We can only handle full updates for depth-stencil textures, so to avoid complications
+    // disable them entirely.
+    if (internalFormat.depthBits > 0 || internalFormat.stencilBits > 0)
+    {
+        return false;
+    }
+
+    // TODO(jmadill): Handle compressed internal formats
+    return (mTexStorage && !internalFormat.compressed);
+}
+
+angle::Result TextureD3D::setImageImpl(const gl::Context *context,
+                                       const gl::ImageIndex &index,
+                                       GLenum type,
+                                       const gl::PixelUnpackState &unpack,
+                                       gl::Buffer *unpackBuffer,
+                                       const uint8_t *pixels,
+                                       ptrdiff_t layerOffset)
+{
+    ImageD3D *image = getImage(index);
+    ASSERT(image);
+
+    // No-op
+    if (image->getWidth() == 0 || image->getHeight() == 0 || image->getDepth() == 0)
+    {
+        return angle::Result::Continue;
+    }
+
+    // We no longer need the "GLenum format" parameter to TexImage to determine what data format
+    // "pixels" contains. From our image internal format we know how many channels to expect, and
+    // "type" gives the format of pixel's components.
+    const uint8_t *pixelData = nullptr;
+    ANGLE_TRY(GetUnpackPointer(context, unpack, unpackBuffer, pixels, layerOffset, &pixelData));
+
+    if (pixelData != nullptr)
+    {
+        if (shouldUseSetData(image))
+        {
+            ANGLE_TRY(
+                mTexStorage->setData(context, index, image, nullptr, type, unpack, pixelData));
+        }
+        else
+        {
+            gl::Box fullImageArea(0, 0, 0, image->getWidth(), image->getHeight(),
+                                  image->getDepth());
+            ANGLE_TRY(image->loadData(context, fullImageArea, unpack, type, pixelData,
+                                      index.usesTex3D()));
+        }
+
+        mDirtyImages = true;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::subImage(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   const gl::Box &area,
+                                   GLenum format,
+                                   GLenum type,
+                                   const gl::PixelUnpackState &unpack,
+                                   gl::Buffer *unpackBuffer,
+                                   const uint8_t *pixels,
+                                   ptrdiff_t layerOffset)
+{
+    // CPU readback & copy where direct GPU copy is not supported
+    const uint8_t *pixelData = nullptr;
+    ANGLE_TRY(GetUnpackPointer(context, unpack, unpackBuffer, pixels, layerOffset, &pixelData));
+
+    if (pixelData != nullptr)
+    {
+        ImageD3D *image = getImage(index);
+        ASSERT(image);
+
+        if (shouldUseSetData(image))
+        {
+            return mTexStorage->setData(context, index, image, &area, type, unpack, pixelData);
+        }
+
+        ANGLE_TRY(image->loadData(context, area, unpack, type, pixelData, index.usesTex3D()));
+        ANGLE_TRY(commitRegion(context, index, area));
+        mDirtyImages = true;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::setCompressedImageImpl(const gl::Context *context,
+                                                 const gl::ImageIndex &index,
+                                                 const gl::PixelUnpackState &unpack,
+                                                 const uint8_t *pixels,
+                                                 ptrdiff_t layerOffset)
+{
+    ImageD3D *image = getImage(index);
+    ASSERT(image);
+
+    if (image->getWidth() == 0 || image->getHeight() == 0 || image->getDepth() == 0)
+    {
+        return angle::Result::Continue;
+    }
+
+    // We no longer need the "GLenum format" parameter to TexImage to determine what data format
+    // "pixels" contains. From our image internal format we know how many channels to expect, and
+    // "type" gives the format of pixel's components.
+    const uint8_t *pixelData = nullptr;
+    gl::Buffer *unpackBuffer = context->getState().getTargetBuffer(gl::BufferBinding::PixelUnpack);
+    ANGLE_TRY(GetUnpackPointer(context, unpack, unpackBuffer, pixels, layerOffset, &pixelData));
+
+    if (pixelData != nullptr)
+    {
+        gl::Box fullImageArea(0, 0, 0, image->getWidth(), image->getHeight(), image->getDepth());
+        ANGLE_TRY(image->loadCompressedData(context, fullImageArea, pixelData));
+
+        mDirtyImages = true;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::subImageCompressed(const gl::Context *context,
+                                             const gl::ImageIndex &index,
+                                             const gl::Box &area,
+                                             GLenum format,
+                                             const gl::PixelUnpackState &unpack,
+                                             const uint8_t *pixels,
+                                             ptrdiff_t layerOffset)
+{
+    const uint8_t *pixelData = nullptr;
+    gl::Buffer *unpackBuffer = context->getState().getTargetBuffer(gl::BufferBinding::PixelUnpack);
+    ANGLE_TRY(GetUnpackPointer(context, unpack, unpackBuffer, pixels, layerOffset, &pixelData));
+
+    if (pixelData != nullptr)
+    {
+        ImageD3D *image = getImage(index);
+        ASSERT(image);
+
+        ANGLE_TRY(image->loadCompressedData(context, area, pixelData));
+
+        mDirtyImages = true;
+    }
+
+    return angle::Result::Continue;
+}
+
+bool TextureD3D::isFastUnpackable(const gl::Buffer *unpackBuffer,
+                                  const gl::PixelUnpackState &unpack,
+                                  GLenum sizedInternalFormat)
+{
+    return unpackBuffer != nullptr && unpack.skipRows == 0 && unpack.skipPixels == 0 &&
+           unpack.imageHeight == 0 && unpack.skipImages == 0 &&
+           mRenderer->supportsFastCopyBufferToTexture(sizedInternalFormat);
+}
+
+angle::Result TextureD3D::fastUnpackPixels(const gl::Context *context,
+                                           const gl::PixelUnpackState &unpack,
+                                           gl::Buffer *unpackBuffer,
+                                           const uint8_t *pixels,
+                                           const gl::Box &destArea,
+                                           GLenum sizedInternalFormat,
+                                           GLenum type,
+                                           RenderTargetD3D *destRenderTarget)
+{
+    bool check = (unpack.skipRows != 0 || unpack.skipPixels != 0 || unpack.imageHeight != 0 ||
+                  unpack.skipImages != 0);
+    ANGLE_CHECK(GetImplAs<ContextD3D>(context), !check,
+                "Unimplemented pixel store parameters in fastUnpackPixels", GL_INVALID_OPERATION);
+
+    // No-op
+    if (destArea.width <= 0 && destArea.height <= 0 && destArea.depth <= 0)
+    {
+        return angle::Result::Continue;
+    }
+
+    // In order to perform the fast copy through the shader, we must have the right format, and be
+    // able to create a render target.
+    ASSERT(mRenderer->supportsFastCopyBufferToTexture(sizedInternalFormat));
+
+    uintptr_t offset = reinterpret_cast<uintptr_t>(pixels);
+
+    ANGLE_TRY(mRenderer->fastCopyBufferToTexture(
+        context, unpack, unpackBuffer, static_cast<unsigned int>(offset), destRenderTarget,
+        sizedInternalFormat, type, destArea));
+
+    return angle::Result::Continue;
+}
+
+GLint TextureD3D::creationLevels(GLsizei width, GLsizei height, GLsizei depth) const
+{
+    if ((gl::isPow2(width) && gl::isPow2(height) && gl::isPow2(depth)) ||
+        mRenderer->getNativeExtensions().textureNpotOES)
+    {
+        // Maximum number of levels
+        return gl::log2(std::max(std::max(width, height), depth)) + 1;
+    }
+    else
+    {
+        // OpenGL ES 2.0 without GL_OES_texture_npot does not permit NPOT mipmaps.
+        return 1;
+    }
+}
+
+TextureStorage *TextureD3D::getStorage()
+{
+    ASSERT(mTexStorage);
+    return mTexStorage;
+}
+
+ImageD3D *TextureD3D::getBaseLevelImage() const
+{
+    if (mBaseLevel >= gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        return nullptr;
+    }
+    return getImage(getImageIndex(mBaseLevel, 0));
+}
+
+angle::Result TextureD3D::setImageExternal(const gl::Context *context,
+                                           gl::TextureType type,
+                                           egl::Stream *stream,
+                                           const egl::Stream::GLTextureDescription &desc)
+{
+    // Only external images can accept external textures
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::generateMipmap(const gl::Context *context)
+{
+    const GLuint baseLevel = mState.getEffectiveBaseLevel();
+    const GLuint maxLevel  = mState.getMipmapMaxLevel();
+    ASSERT(maxLevel > baseLevel);  // Should be checked before calling this.
+
+    if (mTexStorage && mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        // Switch to using the mipmapped texture.
+        TextureStorage *textureStorageEXT = nullptr;
+        ANGLE_TRY(getNativeTexture(context, &textureStorageEXT));
+        ANGLE_TRY(textureStorageEXT->useLevelZeroWorkaroundTexture(context, false));
+    }
+
+    // Set up proper mipmap chain in our Image array.
+    ANGLE_TRY(initMipmapImages(context));
+
+    if (mTexStorage && mTexStorage->supportsNativeMipmapFunction())
+    {
+        ANGLE_TRY(updateStorage(context));
+
+        // Generate the mipmap chain using the ad-hoc DirectX function.
+        ANGLE_TRY(mRenderer->generateMipmapUsingD3D(context, mTexStorage, mState));
+    }
+    else
+    {
+        // Generate the mipmap chain, one level at a time.
+        ANGLE_TRY(generateMipmapUsingImages(context, maxLevel));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::generateMipmapUsingImages(const gl::Context *context,
+                                                    const GLuint maxLevel)
+{
+    // We know that all layers have the same dimension, for the texture to be complete
+    GLint layerCount = static_cast<GLint>(getLayerCount(mBaseLevel));
+
+    if (mTexStorage && !mTexStorage->isRenderTarget() &&
+        canCreateRenderTargetForImage(getImageIndex(mBaseLevel, 0)) &&
+        mRenderer->getRendererClass() == RENDERER_D3D11)
+    {
+        if (!mRenderer->getFeatures().setDataFasterThanImageUpload.enabled)
+        {
+            ANGLE_TRY(updateStorage(context));
+        }
+        ANGLE_TRY(ensureRenderTarget(context));
+    }
+    else if (couldUseSetData() && mTexStorage)
+    {
+        // When making mipmaps with the setData workaround enabled, the texture storage has
+        // the image data already. For non-render-target storage, we have to pull it out into
+        // an image layer.
+        if (!mTexStorage->isRenderTarget())
+        {
+            // Copy from the storage mip 0 to Image mip 0
+            for (GLint layer = 0; layer < layerCount; ++layer)
+            {
+                gl::ImageIndex srcIndex = getImageIndex(mBaseLevel, layer);
+
+                ImageD3D *image = getImage(srcIndex);
+                ANGLE_TRY(image->copyFromTexStorage(context, srcIndex, mTexStorage));
+            }
+        }
+        else
+        {
+            ANGLE_TRY(updateStorage(context));
+        }
+    }
+
+    // TODO: Decouple this from zeroMaxLodWorkaround. This is a 9_3 restriction, unrelated to
+    // zeroMaxLodWorkaround. The restriction is because Feature Level 9_3 can't create SRVs on
+    // individual levels of the texture. As a result, even if the storage is a rendertarget, we
+    // can't use the GPU to generate the mipmaps without further work. The D3D9 renderer works
+    // around this by copying each level of the texture into its own single-layer GPU texture (in
+    // Blit9::boxFilter). Feature Level 9_3 could do something similar, or it could continue to use
+    // CPU-side mipmap generation, or something else.
+    bool renderableStorage = (mTexStorage && mTexStorage->isRenderTarget() &&
+                              !(mRenderer->getFeatures().zeroMaxLodWorkaround.enabled));
+    if (renderableStorage)
+    {
+        ANGLE_TRY(updateStorage(context));
+    }
+
+    for (GLint layer = 0; layer < layerCount; ++layer)
+    {
+        for (GLuint mip = mBaseLevel + 1; mip <= maxLevel; ++mip)
+        {
+            ASSERT(getLayerCount(mip) == layerCount);
+
+            gl::ImageIndex sourceIndex = getImageIndex(mip - 1, layer);
+            gl::ImageIndex destIndex   = getImageIndex(mip, layer);
+
+            if (renderableStorage)
+            {
+                // GPU-side mipmapping
+                ANGLE_TRY(mTexStorage->generateMipmap(context, sourceIndex, destIndex));
+            }
+            else
+            {
+                // CPU-side mipmapping
+                ANGLE_TRY(
+                    mRenderer->generateMipmap(context, getImage(destIndex), getImage(sourceIndex)));
+            }
+        }
+    }
+
+    mDirtyImages = !renderableStorage;
+
+    if (mTexStorage && mDirtyImages)
+    {
+        ANGLE_TRY(updateStorage(context));
+    }
+
+    return angle::Result::Continue;
+}
+
+bool TextureD3D::isBaseImageZeroSize() const
+{
+    ImageD3D *baseImage = getBaseLevelImage();
+
+    if (!baseImage || baseImage->getWidth() <= 0 || baseImage->getHeight() <= 0)
+    {
+        return true;
+    }
+
+    if (baseImage->getType() == gl::TextureType::_3D && baseImage->getDepth() <= 0)
+    {
+        return true;
+    }
+
+    if (baseImage->getType() == gl::TextureType::_2DArray && getLayerCount(getBaseLevel()) <= 0)
+    {
+        return true;
+    }
+
+    return false;
+}
+
+angle::Result TextureD3D::ensureBindFlags(const gl::Context *context, BindFlags bindFlags)
+{
+    ANGLE_TRY(initializeStorage(context, bindFlags));
+
+    // initializeStorage can fail with NoError if the texture is not complete. This is not
+    // an error for incomplete sampling, but it is a big problem for rendering.
+    if (!mTexStorage)
+    {
+        ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+        return angle::Result::Stop;
+    }
+
+    if (!isBaseImageZeroSize())
+    {
+        ASSERT(mTexStorage);
+        if ((bindFlags.renderTarget && !mTexStorage->isRenderTarget()) ||
+            (bindFlags.unorderedAccess && !mTexStorage->isUnorderedAccess()))
+        {
+            TexStoragePointer newRenderTargetStorage;
+            ANGLE_TRY(createCompleteStorage(context, bindFlags, &newRenderTargetStorage));
+
+            ANGLE_TRY(mTexStorage->copyToStorage(context, newRenderTargetStorage.get()));
+            ANGLE_TRY(setCompleteTexStorage(context, newRenderTargetStorage.get()));
+            newRenderTargetStorage.release();
+            // If this texture is used in compute shader, we should invalidate this texture so that
+            // the UAV/SRV is rebound again with this new texture storage in next dispatch call.
+            mTexStorage->invalidateTextures();
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::ensureRenderTarget(const gl::Context *context)
+{
+    return ensureBindFlags(context, BindFlags::RenderTarget());
+}
+
+angle::Result TextureD3D::ensureUnorderedAccess(const gl::Context *context)
+{
+    return ensureBindFlags(context, BindFlags::UnorderedAccess());
+}
+
+bool TextureD3D::canCreateRenderTargetForImage(const gl::ImageIndex &index) const
+{
+    if (index.getType() == gl::TextureType::_2DMultisample ||
+        index.getType() == gl::TextureType::_2DMultisampleArray)
+    {
+        ASSERT(index.getType() != gl::TextureType::_2DMultisampleArray || index.hasLayer());
+        return true;
+    }
+
+    ImageD3D *image = getImage(index);
+    ASSERT(image);
+    bool levelsComplete = (isImageComplete(index) && isImageComplete(getImageIndex(0, 0)));
+    return (image->isRenderableFormat() && levelsComplete);
+}
+
+angle::Result TextureD3D::commitRegion(const gl::Context *context,
+                                       const gl::ImageIndex &index,
+                                       const gl::Box &region)
+{
+    if (mTexStorage)
+    {
+        ASSERT(isValidIndex(index));
+        ImageD3D *image = getImage(index);
+        ANGLE_TRY(image->copyToStorage(context, mTexStorage, index, region));
+        image->markClean();
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::getAttachmentRenderTarget(const gl::Context *context,
+                                                    GLenum binding,
+                                                    const gl::ImageIndex &imageIndex,
+                                                    GLsizei samples,
+                                                    FramebufferAttachmentRenderTarget **rtOut)
+{
+    RenderTargetD3D *rtD3D = nullptr;
+    ANGLE_TRY(getRenderTarget(context, imageIndex, samples, &rtD3D));
+    *rtOut = static_cast<FramebufferAttachmentRenderTarget *>(rtD3D);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::setBaseLevel(const gl::Context *context, GLuint baseLevel)
+{
+    const int oldStorageWidth  = std::max(1, getLevelZeroWidth());
+    const int oldStorageHeight = std::max(1, getLevelZeroHeight());
+    const int oldStorageDepth  = std::max(1, getLevelZeroDepth());
+    const int oldStorageFormat = getBaseLevelInternalFormat();
+    mBaseLevel                 = baseLevel;
+
+    // When the base level changes, the texture storage might not be valid anymore, since it could
+    // have been created based on the dimensions of the previous specified level range.
+    const int newStorageWidth  = std::max(1, getLevelZeroWidth());
+    const int newStorageHeight = std::max(1, getLevelZeroHeight());
+    const int newStorageDepth  = std::max(1, getLevelZeroDepth());
+    const int newStorageFormat = getBaseLevelInternalFormat();
+    if (mTexStorage &&
+        (newStorageWidth != oldStorageWidth || newStorageHeight != oldStorageHeight ||
+         newStorageDepth != oldStorageDepth || newStorageFormat != oldStorageFormat))
+    {
+        markAllImagesDirty();
+
+        // Iterate over all images, and backup the content if it's been used as a render target. The
+        // D3D11 backend can automatically restore images on storage destroy, but it only works for
+        // images that have been associated with the texture storage before, which is insufficient
+        // here.
+        if (mTexStorage->isRenderTarget())
+        {
+            gl::ImageIndexIterator iterator = imageIterator();
+            while (iterator.hasNext())
+            {
+                const gl::ImageIndex index    = iterator.next();
+                const GLsizei samples         = getRenderToTextureSamples();
+                RenderTargetD3D *renderTarget = nullptr;
+                ANGLE_TRY(mTexStorage->findRenderTarget(context, index, samples, &renderTarget));
+                if (renderTarget)
+                {
+                    ANGLE_TRY(getImage(index)->copyFromTexStorage(context, index, mTexStorage));
+                }
+            }
+        }
+
+        ANGLE_TRY(releaseTexStorage(context, gl::TexLevelMask()));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::onLabelUpdate(const gl::Context *context)
+{
+    if (mTexStorage)
+    {
+        mTexStorage->setLabel(mState.getLabel());
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::syncState(const gl::Context *context,
+                                    const gl::Texture::DirtyBits &dirtyBits,
+                                    gl::Command source)
+{
+    // This could be improved using dirty bits.
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D::releaseTexStorage(const gl::Context *context,
+                                            const gl::TexLevelMask &copyStorageToImagesMask)
+{
+    if (!mTexStorage)
+    {
+        return angle::Result::Continue;
+    }
+
+    if (mTexStorage->isRenderTarget())
+    {
+        const GLenum storageFormat = getBaseLevelInternalFormat();
+        const size_t storageLevels = mTexStorage->getLevelCount();
+
+        gl::ImageIndexIterator iterator = imageIterator();
+        while (iterator.hasNext())
+        {
+            const gl::ImageIndex index = iterator.next();
+            ImageD3D *image            = getImage(index);
+            const int storageWidth     = std::max(1, getLevelZeroWidth() >> index.getLevelIndex());
+            const int storageHeight    = std::max(1, getLevelZeroHeight() >> index.getLevelIndex());
+            if (image && isImageComplete(index) && image->getWidth() == storageWidth &&
+                image->getHeight() == storageHeight &&
+                image->getInternalFormat() == storageFormat &&
+                index.getLevelIndex() < static_cast<int>(storageLevels) &&
+                copyStorageToImagesMask[index.getLevelIndex()])
+            {
+                ANGLE_TRY(image->copyFromTexStorage(context, index, mTexStorage));
+            }
+        }
+    }
+
+    onStateChange(angle::SubjectMessage::StorageReleased);
+
+    auto err = mTexStorage->onDestroy(context);
+    SafeDelete(mTexStorage);
+    return err;
+}
+
+void TextureD3D::onDestroy(const gl::Context *context)
+{
+    (void)releaseTexStorage(context, gl::TexLevelMask());
+}
+
+angle::Result TextureD3D::initializeContents(const gl::Context *context,
+                                             GLenum binding,
+                                             const gl::ImageIndex &imageIndex)
+{
+    ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+    gl::ImageIndex index   = imageIndex;
+
+    // Special case for D3D11 3D textures. We can't create render targets for individual layers of a
+    // 3D texture, so force the clear to the entire mip. There shouldn't ever be a case where we
+    // would lose existing data.
+    if (index.getType() == gl::TextureType::_3D)
+    {
+        index = gl::ImageIndex::Make3D(index.getLevelIndex(), gl::ImageIndex::kEntireLevel);
+    }
+    else if (index.getType() == gl::TextureType::_2DArray && !index.hasLayer())
+    {
+        std::array<GLint, gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS> tempLayerCounts;
+
+        GLint levelIndex            = index.getLevelIndex();
+        tempLayerCounts[levelIndex] = getLayerCount(levelIndex);
+        gl::ImageIndexIterator iterator =
+            gl::ImageIndexIterator::Make2DArray(levelIndex, levelIndex + 1, tempLayerCounts.data());
+        while (iterator.hasNext())
+        {
+            ANGLE_TRY(initializeContents(context, GL_NONE, iterator.next()));
+        }
+        return angle::Result::Continue;
+    }
+    else if (index.getType() == gl::TextureType::_2DMultisampleArray && !index.hasLayer())
+    {
+        std::array<GLint, gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS> tempLayerCounts;
+
+        ASSERT(index.getLevelIndex() == 0);
+        tempLayerCounts[0] = getLayerCount(0);
+        gl::ImageIndexIterator iterator =
+            gl::ImageIndexIterator::Make2DMultisampleArray(tempLayerCounts.data());
+        while (iterator.hasNext())
+        {
+            ANGLE_TRY(initializeContents(context, GL_NONE, iterator.next()));
+        }
+        return angle::Result::Continue;
+    }
+
+    // Force image clean.
+    ImageD3D *image = getImage(index);
+    if (image)
+    {
+        image->markClean();
+    }
+
+    // Fast path: can use a render target clear.
+    // We don't use the fast path with the zero max lod workaround because it would introduce a race
+    // between the rendertarget and the staging images.
+    const angle::FeaturesD3D &features = mRenderer->getFeatures();
+    bool shouldUseClear                = (image == nullptr);
+    if (canCreateRenderTargetForImage(index) && !features.zeroMaxLodWorkaround.enabled &&
+        (shouldUseClear || features.allowClearForRobustResourceInit.enabled))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(mTexStorage);
+        RenderTargetD3D *renderTarget = nullptr;
+        ANGLE_TRY(mTexStorage->getRenderTarget(context, index, 0, &renderTarget));
+        ANGLE_TRY(mRenderer->initRenderTarget(context, renderTarget));
+
+        // Force image clean again, the texture storage may have been re-created and the image used.
+        if (image)
+        {
+            image->markClean();
+        }
+
+        return angle::Result::Continue;
+    }
+
+    ASSERT(image != nullptr);
+
+    // Slow path: non-renderable texture or the texture levels aren't set up.
+    const auto &formatInfo = gl::GetSizedInternalFormatInfo(image->getInternalFormat());
+
+    GLuint imageBytes = 0;
+    ANGLE_CHECK_GL_MATH(contextD3D, formatInfo.computeRowPitch(formatInfo.type, image->getWidth(),
+                                                               1, 0, &imageBytes));
+    imageBytes *= image->getHeight() * image->getDepth();
+
+    gl::PixelUnpackState zeroDataUnpackState;
+    zeroDataUnpackState.alignment = 1;
+
+    angle::MemoryBuffer *zeroBuffer = nullptr;
+    ANGLE_CHECK_GL_ALLOC(contextD3D, context->getZeroFilledBuffer(imageBytes, &zeroBuffer));
+
+    if (shouldUseSetData(image))
+    {
+        ANGLE_TRY(mTexStorage->setData(context, index, image, nullptr, formatInfo.type,
+                                       zeroDataUnpackState, zeroBuffer->data()));
+    }
+    else
+    {
+        gl::Box fullImageArea(0, 0, 0, image->getWidth(), image->getHeight(), image->getDepth());
+        ANGLE_TRY(image->loadData(context, fullImageArea, zeroDataUnpackState, formatInfo.type,
+                                  zeroBuffer->data(), false));
+
+        // Force an update to the tex storage so we avoid problems with subImage and dirty regions.
+        if (mTexStorage)
+        {
+            ANGLE_TRY(commitRegion(context, index, fullImageArea));
+            image->markClean();
+        }
+        else
+        {
+            mDirtyImages = true;
+        }
+    }
+    return angle::Result::Continue;
+}
+
+GLsizei TextureD3D::getRenderToTextureSamples()
+{
+    if (mTexStorage)
+    {
+        return mTexStorage->getRenderToTextureSamples();
+    }
+    return 0;
+}
+
+void TextureD3D::onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message)
+{
+    onStateChange(message);
+}
+
+TextureD3D_2D::TextureD3D_2D(const gl::TextureState &state, RendererD3D *renderer)
+    : TextureD3D(state, renderer)
+{
+    mEGLImageTarget = false;
+    for (auto &image : mImageArray)
+    {
+        image.reset(renderer->createImage());
+    }
+}
+
+void TextureD3D_2D::onDestroy(const gl::Context *context)
+{
+    // Delete the Images before the TextureStorage. Images might be relying on the TextureStorage
+    // for some of their data. If TextureStorage is deleted before the Images, then their data will
+    // be wastefully copied back from the GPU before we delete the Images.
+    for (auto &image : mImageArray)
+    {
+        image.reset();
+    }
+    return TextureD3D::onDestroy(context);
+}
+
+TextureD3D_2D::~TextureD3D_2D() {}
+
+ImageD3D *TextureD3D_2D::getImage(int level, int layer) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(layer == 0);
+    return mImageArray[level].get();
+}
+
+ImageD3D *TextureD3D_2D::getImage(const gl::ImageIndex &index) const
+{
+    ASSERT(index.getLevelIndex() < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(!index.hasLayer());
+    ASSERT(index.getType() == gl::TextureType::_2D ||
+           index.getType() == gl::TextureType::VideoImage);
+    return mImageArray[index.getLevelIndex()].get();
+}
+
+GLsizei TextureD3D_2D::getLayerCount(int level) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    return 1;
+}
+
+GLsizei TextureD3D_2D::getWidth(GLint level) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[level]->getWidth();
+    else
+        return 0;
+}
+
+GLsizei TextureD3D_2D::getHeight(GLint level) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[level]->getHeight();
+    else
+        return 0;
+}
+
+GLenum TextureD3D_2D::getInternalFormat(GLint level) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[level]->getInternalFormat();
+    else
+        return GL_NONE;
+}
+
+bool TextureD3D_2D::isDepth(GLint level) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level)).depthBits > 0;
+}
+
+bool TextureD3D_2D::isSRGB(GLint level) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level)).colorEncoding == GL_SRGB;
+}
+
+angle::Result TextureD3D_2D::setImage(const gl::Context *context,
+                                      const gl::ImageIndex &index,
+                                      GLenum internalFormat,
+                                      const gl::Extents &size,
+                                      GLenum format,
+                                      GLenum type,
+                                      const gl::PixelUnpackState &unpack,
+                                      gl::Buffer *unpackBuffer,
+                                      const uint8_t *pixels)
+{
+    ASSERT((index.getTarget() == gl::TextureTarget::_2D ||
+            index.getTarget() == gl::TextureTarget::VideoImage) &&
+           size.depth == 1);
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+
+    bool fastUnpacked = false;
+
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormatInfo.sizedInternalFormat,
+                            size, false));
+
+    // Attempt a fast gpu copy of the pixel data to the surface
+    if (mTexStorage)
+    {
+        ANGLE_TRY(mTexStorage->releaseMultisampledTexStorageForLevel(index.getLevelIndex()));
+    }
+    if (isFastUnpackable(unpackBuffer, unpack, internalFormatInfo.sizedInternalFormat) &&
+        isLevelComplete(index.getLevelIndex()))
+    {
+        // Will try to create RT storage if it does not exist
+        RenderTargetD3D *destRenderTarget = nullptr;
+        ANGLE_TRY(getRenderTarget(context, index, getRenderToTextureSamples(), &destRenderTarget));
+
+        gl::Box destArea(0, 0, 0, getWidth(index.getLevelIndex()), getHeight(index.getLevelIndex()),
+                         1);
+
+        ANGLE_TRY(fastUnpackPixels(context, unpack, unpackBuffer, pixels, destArea,
+                                   internalFormatInfo.sizedInternalFormat, type, destRenderTarget));
+
+        // Ensure we don't overwrite our newly initialized data
+        mImageArray[index.getLevelIndex()]->markClean();
+
+        fastUnpacked = true;
+    }
+
+    if (!fastUnpacked)
+    {
+        ANGLE_TRY(setImageImpl(context, index, type, unpack, unpackBuffer, pixels, 0));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::setSubImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         const gl::Box &area,
+                                         GLenum format,
+                                         GLenum type,
+                                         const gl::PixelUnpackState &unpack,
+                                         gl::Buffer *unpackBuffer,
+                                         const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2D && area.depth == 1 && area.z == 0);
+
+    GLenum mipFormat = getInternalFormat(index.getLevelIndex());
+    if (mTexStorage)
+    {
+        ANGLE_TRY(mTexStorage->releaseMultisampledTexStorageForLevel(index.getLevelIndex()));
+    }
+    if (isFastUnpackable(unpackBuffer, unpack, mipFormat) && isLevelComplete(index.getLevelIndex()))
+    {
+        RenderTargetD3D *renderTarget = nullptr;
+        ANGLE_TRY(getRenderTarget(context, index, getRenderToTextureSamples(), &renderTarget));
+        ASSERT(!mImageArray[index.getLevelIndex()]->isDirty());
+
+        return fastUnpackPixels(context, unpack, unpackBuffer, pixels, area, mipFormat, type,
+                                renderTarget);
+    }
+    else
+    {
+        return TextureD3D::subImage(context, index, area, format, type, unpack, unpackBuffer,
+                                    pixels, 0);
+    }
+}
+
+angle::Result TextureD3D_2D::setCompressedImage(const gl::Context *context,
+                                                const gl::ImageIndex &index,
+                                                GLenum internalFormat,
+                                                const gl::Extents &size,
+                                                const gl::PixelUnpackState &unpack,
+                                                size_t imageSize,
+                                                const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2D && size.depth == 1);
+
+    // compressed formats don't have separate sized internal formats-- we can just use the
+    // compressed format directly
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormat, size, false));
+
+    return setCompressedImageImpl(context, index, unpack, pixels, 0);
+}
+
+angle::Result TextureD3D_2D::setCompressedSubImage(const gl::Context *context,
+                                                   const gl::ImageIndex &index,
+                                                   const gl::Box &area,
+                                                   GLenum format,
+                                                   const gl::PixelUnpackState &unpack,
+                                                   size_t imageSize,
+                                                   const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2D && area.depth == 1 && area.z == 0);
+    ANGLE_TRY(TextureD3D::subImageCompressed(context, index, area, format, unpack, pixels, 0));
+
+    return commitRegion(context, index, area);
+}
+
+angle::Result TextureD3D_2D::copyImage(const gl::Context *context,
+                                       const gl::ImageIndex &index,
+                                       const gl::Rectangle &sourceArea,
+                                       GLenum internalFormat,
+                                       gl::Framebuffer *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2D);
+
+    const gl::InternalFormat &internalFormatInfo =
+        gl::GetInternalFormatInfo(internalFormat, GL_UNSIGNED_BYTE);
+    gl::Extents sourceExtents(sourceArea.width, sourceArea.height, 1);
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormatInfo.sizedInternalFormat,
+                            sourceExtents, false));
+
+    gl::Extents fbSize = source->getReadColorAttachment()->getSize();
+
+    // Does the read area extend beyond the framebuffer?
+    bool outside = sourceArea.x < 0 || sourceArea.y < 0 ||
+                   sourceArea.x + sourceArea.width > fbSize.width ||
+                   sourceArea.y + sourceArea.height > fbSize.height;
+
+    // WebGL requires that pixels that would be outside the framebuffer are treated as zero values,
+    // so clear the mip level to 0 prior to making the copy if any pixel would be sampled outside.
+    // Same thing for robust resource init.
+    if (outside && (context->isWebGL() || context->isRobustResourceInitEnabled()))
+    {
+        ANGLE_TRY(initializeContents(context, GL_NONE, index));
+    }
+
+    gl::Rectangle clippedArea;
+    if (!ClipRectangle(sourceArea, gl::Rectangle(0, 0, fbSize.width, fbSize.height), &clippedArea))
+    {
+        // Empty source area, nothing to do.
+        return angle::Result::Continue;
+    }
+
+    gl::Offset destOffset(clippedArea.x - sourceArea.x, clippedArea.y - sourceArea.y, 0);
+
+    // If the zero max LOD workaround is active, then we can't sample from individual layers of the
+    // framebuffer in shaders, so we should use the non-rendering copy path.
+    if (!canCreateRenderTargetForImage(index) ||
+        mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ANGLE_TRY(mImageArray[index.getLevelIndex()]->copyFromFramebuffer(context, destOffset,
+                                                                          clippedArea, source));
+        mDirtyImages = true;
+    }
+    else
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+
+        if (clippedArea.width != 0 && clippedArea.height != 0 &&
+            isValidLevel(index.getLevelIndex()))
+        {
+            ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+            ANGLE_TRY(mRenderer->copyImage2D(context, source, clippedArea, internalFormat,
+                                             destOffset, mTexStorage, index.getLevelIndex()));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::copySubImage(const gl::Context *context,
+                                          const gl::ImageIndex &index,
+                                          const gl::Offset &destOffset,
+                                          const gl::Rectangle &sourceArea,
+                                          gl::Framebuffer *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2D && destOffset.z == 0);
+
+    gl::Extents fbSize = source->getReadColorAttachment()->getSize();
+    gl::Rectangle clippedArea;
+    if (!ClipRectangle(sourceArea, gl::Rectangle(0, 0, fbSize.width, fbSize.height), &clippedArea))
+    {
+        return angle::Result::Continue;
+    }
+    const gl::Offset clippedOffset(destOffset.x + clippedArea.x - sourceArea.x,
+                                   destOffset.y + clippedArea.y - sourceArea.y, 0);
+
+    // can only make our texture storage to a render target if level 0 is defined (with a width &
+    // height) and the current level we're copying to is defined (with appropriate format, width &
+    // height)
+
+    // If the zero max LOD workaround is active, then we can't sample from individual layers of the
+    // framebuffer in shaders, so we should use the non-rendering copy path.
+    if (!canCreateRenderTargetForImage(index) ||
+        mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ANGLE_TRY(mImageArray[index.getLevelIndex()]->copyFromFramebuffer(context, clippedOffset,
+                                                                          clippedArea, source));
+        mDirtyImages = true;
+        onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+    }
+    else
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+
+        if (isValidLevel(index.getLevelIndex()))
+        {
+            ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+            ANGLE_TRY(mRenderer->copyImage2D(context, source, clippedArea,
+                                             gl::GetUnsizedFormat(getBaseLevelInternalFormat()),
+                                             clippedOffset, mTexStorage, index.getLevelIndex()));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::copyTexture(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         GLenum internalFormat,
+                                         GLenum type,
+                                         GLint sourceLevel,
+                                         bool unpackFlipY,
+                                         bool unpackPremultiplyAlpha,
+                                         bool unpackUnmultiplyAlpha,
+                                         const gl::Texture *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2D);
+
+    gl::TextureType sourceType = source->getType();
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+    gl::Extents size(
+        static_cast<int>(source->getWidth(NonCubeTextureTypeToTarget(sourceType), sourceLevel)),
+        static_cast<int>(source->getHeight(NonCubeTextureTypeToTarget(sourceType), sourceLevel)),
+        1);
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormatInfo.sizedInternalFormat,
+                            size, false));
+
+    gl::Box sourceBox(0, 0, 0, size.width, size.height, 1);
+    gl::Offset destOffset(0, 0, 0);
+
+    if (!isSRGB(index.getLevelIndex()) && canCreateRenderTargetForImage(index))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidLevel(index.getLevelIndex()));
+        ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_2D,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        gl::ImageIndex sourceImageIndex = gl::ImageIndex::Make2D(sourceLevel);
+        TextureD3D *sourceD3D           = GetImplAs<TextureD3D>(source);
+        ImageD3D *sourceImage           = nullptr;
+        ANGLE_TRY(sourceD3D->getImageAndSyncFromStorage(context, sourceImageIndex, &sourceImage));
+
+        ImageD3D *destImage = nullptr;
+        ANGLE_TRY(getImageAndSyncFromStorage(context, index, &destImage));
+
+        ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, sourceBox, destOffset,
+                                       unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(destOffset, size);
+        ANGLE_TRY(commitRegion(context, index, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::copySubTexture(const gl::Context *context,
+                                            const gl::ImageIndex &index,
+                                            const gl::Offset &destOffset,
+                                            GLint sourceLevel,
+                                            const gl::Box &sourceBox,
+                                            bool unpackFlipY,
+                                            bool unpackPremultiplyAlpha,
+                                            bool unpackUnmultiplyAlpha,
+                                            const gl::Texture *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2D);
+
+    if (!isSRGB(index.getLevelIndex()) && canCreateRenderTargetForImage(index))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidLevel(index.getLevelIndex()));
+        ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+
+        const gl::InternalFormat &internalFormatInfo =
+            gl::GetSizedInternalFormatInfo(getInternalFormat(index.getLevelIndex()));
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_2D,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        gl::ImageIndex sourceImageIndex = gl::ImageIndex::Make2D(sourceLevel);
+        TextureD3D *sourceD3D           = GetImplAs<TextureD3D>(source);
+        ImageD3D *sourceImage           = nullptr;
+        ANGLE_TRY(sourceD3D->getImageAndSyncFromStorage(context, sourceImageIndex, &sourceImage));
+
+        ImageD3D *destImage = nullptr;
+        ANGLE_TRY(getImageAndSyncFromStorage(context, index, &destImage));
+
+        ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, sourceBox, destOffset,
+                                       unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(destOffset.x, destOffset.y, 0, sourceBox.width, sourceBox.height, 1);
+        ANGLE_TRY(commitRegion(context, index, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::copyCompressedTexture(const gl::Context *context,
+                                                   const gl::Texture *source)
+{
+    gl::TextureTarget sourceTarget = NonCubeTextureTypeToTarget(source->getType());
+    GLint sourceLevel              = 0;
+
+    GLint destLevel = 0;
+
+    GLenum sizedInternalFormat =
+        source->getFormat(sourceTarget, sourceLevel).info->sizedInternalFormat;
+    gl::Extents size(static_cast<int>(source->getWidth(sourceTarget, sourceLevel)),
+                     static_cast<int>(source->getHeight(sourceTarget, sourceLevel)), 1);
+    ANGLE_TRY(redefineImage(context, destLevel, sizedInternalFormat, size, false));
+
+    ANGLE_TRY(initializeStorage(context, BindFlags()));
+    ASSERT(mTexStorage);
+
+    ANGLE_TRY(
+        mRenderer->copyCompressedTexture(context, source, sourceLevel, mTexStorage, destLevel));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::setStorage(const gl::Context *context,
+                                        gl::TextureType type,
+                                        size_t levels,
+                                        GLenum internalFormat,
+                                        const gl::Extents &size)
+{
+    ASSERT(type == gl::TextureType::_2D && size.depth == 1);
+
+    for (size_t level = 0; level < levels; level++)
+    {
+        gl::Extents levelSize(std::max(1, size.width >> level), std::max(1, size.height >> level),
+                              1);
+        ANGLE_TRY(redefineImage(context, level, internalFormat, levelSize, true));
+    }
+
+    for (size_t level = levels; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
+    {
+        ANGLE_TRY(redefineImage(context, level, GL_NONE, gl::Extents(0, 0, 1), true));
+    }
+
+    // TODO(geofflang): Verify storage creation had no errors
+    BindFlags flags;
+    flags.renderTarget        = IsRenderTargetUsage(mState.getUsage());
+    TexStoragePointer storage = {
+        mRenderer->createTextureStorage2D(internalFormat, flags, size.width, size.height,
+                                          static_cast<int>(levels), mState.getLabel(), false),
+        context};
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ANGLE_TRY(updateStorage(context));
+
+    mImmutable = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::bindTexImage(const gl::Context *context, egl::Surface *surface)
+{
+    GLenum internalformat = surface->getConfig()->renderTargetFormat;
+
+    gl::Extents size(surface->getWidth(), surface->getHeight(), 1);
+    ANGLE_TRY(redefineImage(context, 0, internalformat, size, true));
+
+    ANGLE_TRY(releaseTexStorage(context, gl::TexLevelMask()));
+
+    SurfaceD3D *surfaceD3D = GetImplAs<SurfaceD3D>(surface);
+    ASSERT(surfaceD3D);
+
+    mTexStorage = mRenderer->createTextureStorage2D(surfaceD3D->getSwapChain(), mState.getLabel());
+    mEGLImageTarget = false;
+
+    mDirtyImages = false;
+    mImageArray[0]->markClean();
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::releaseTexImage(const gl::Context *context)
+{
+    if (mTexStorage)
+    {
+        ANGLE_TRY(releaseTexStorage(context, gl::TexLevelMask()));
+    }
+
+    for (int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        ANGLE_TRY(redefineImage(context, i, GL_NONE, gl::Extents(0, 0, 1), true));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::setEGLImageTarget(const gl::Context *context,
+                                               gl::TextureType type,
+                                               egl::Image *image)
+{
+    EGLImageD3D *eglImaged3d = GetImplAs<EGLImageD3D>(image);
+
+    // Set the properties of the base mip level from the EGL image
+    const auto &format = image->getFormat();
+    gl::Extents size(static_cast<int>(image->getWidth()), static_cast<int>(image->getHeight()), 1);
+    ANGLE_TRY(redefineImage(context, 0, format.info->sizedInternalFormat, size, true));
+
+    // Clear all other images.
+    for (size_t level = 1; level < mImageArray.size(); level++)
+    {
+        ANGLE_TRY(redefineImage(context, level, GL_NONE, gl::Extents(0, 0, 1), true));
+    }
+
+    ANGLE_TRY(releaseTexStorage(context, gl::TexLevelMask()));
+    mImageArray[0]->markClean();
+
+    // Pass in the RenderTargetD3D here: createTextureStorage can't generate an error.
+    RenderTargetD3D *renderTargetD3D = nullptr;
+    ANGLE_TRY(eglImaged3d->getRenderTarget(context, &renderTargetD3D));
+
+    mTexStorage =
+        mRenderer->createTextureStorageEGLImage(eglImaged3d, renderTargetD3D, mState.getLabel());
+    mEGLImageTarget = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::initMipmapImages(const gl::Context *context)
+{
+    const GLuint baseLevel = mState.getEffectiveBaseLevel();
+    const GLuint maxLevel  = mState.getMipmapMaxLevel();
+    // Purge array levels baseLevel + 1 through q and reset them to represent the generated mipmap
+    // levels.
+    for (GLuint level = baseLevel + 1; level <= maxLevel; level++)
+    {
+        gl::Extents levelSize(std::max(getLevelZeroWidth() >> level, 1),
+                              std::max(getLevelZeroHeight() >> level, 1), 1);
+
+        ANGLE_TRY(redefineImage(context, level, getBaseLevelInternalFormat(), levelSize, false));
+    }
+
+    // We should be mip-complete now so generate the storage.
+    ANGLE_TRY(initializeStorage(context, BindFlags::RenderTarget()));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::getRenderTarget(const gl::Context *context,
+                                             const gl::ImageIndex &index,
+                                             GLsizei samples,
+                                             RenderTargetD3D **outRT)
+{
+    ASSERT(!index.hasLayer());
+
+    // ensure the underlying texture is created
+    ANGLE_TRY(ensureRenderTarget(context));
+    ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+
+    return mTexStorage->getRenderTarget(context, index, samples, outRT);
+}
+
+bool TextureD3D_2D::isValidLevel(int level) const
+{
+    return (mTexStorage ? (level >= 0 && level < mTexStorage->getLevelCount()) : false);
+}
+
+bool TextureD3D_2D::isLevelComplete(int level) const
+{
+    if (isImmutable())
+    {
+        return true;
+    }
+
+    GLsizei width  = getLevelZeroWidth();
+    GLsizei height = getLevelZeroHeight();
+
+    if (width <= 0 || height <= 0)
+    {
+        return false;
+    }
+
+    // The base image level is complete if the width and height are positive
+    if (level == static_cast<int>(getBaseLevel()))
+    {
+        return true;
+    }
+
+    ASSERT(level >= 0 && level <= static_cast<int>(mImageArray.size()) &&
+           mImageArray[level] != nullptr);
+    ImageD3D *image = mImageArray[level].get();
+
+    if (image->getInternalFormat() != getBaseLevelInternalFormat())
+    {
+        return false;
+    }
+
+    if (image->getWidth() != std::max(1, width >> level))
+    {
+        return false;
+    }
+
+    if (image->getHeight() != std::max(1, height >> level))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool TextureD3D_2D::isImageComplete(const gl::ImageIndex &index) const
+{
+    return isLevelComplete(index.getLevelIndex());
+}
+
+// Constructs a native texture resource from the texture images
+angle::Result TextureD3D_2D::initializeStorage(const gl::Context *context, BindFlags bindFlags)
+{
+    // Only initialize the first time this texture is used as a render target or shader resource
+    if (mTexStorage)
+    {
+        return angle::Result::Continue;
+    }
+
+    // do not attempt to create storage for nonexistant data
+    if (!isLevelComplete(getBaseLevel()))
+    {
+        return angle::Result::Continue;
+    }
+
+    bindFlags.renderTarget |= IsRenderTargetUsage(mState.getUsage());
+
+    TexStoragePointer storage;
+    ANGLE_TRY(createCompleteStorage(context, bindFlags, &storage));
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ASSERT(mTexStorage);
+
+    // flush image data to the storage
+    ANGLE_TRY(updateStorage(context));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::createCompleteStorage(const gl::Context *context,
+                                                   BindFlags bindFlags,
+                                                   TexStoragePointer *outStorage) const
+{
+    GLsizei width         = getLevelZeroWidth();
+    GLsizei height        = getLevelZeroHeight();
+    GLenum internalFormat = getBaseLevelInternalFormat();
+
+    ASSERT(width > 0 && height > 0);
+
+    // use existing storage level count, when previously specified by TexStorage*D
+    GLint levels = (mTexStorage ? mTexStorage->getLevelCount() : creationLevels(width, height, 1));
+
+    bool hintLevelZeroOnly = false;
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        // If any of the CPU images (levels >= 1) are dirty, then the textureStorage2D should use
+        // the mipped texture to begin with. Otherwise, it should use the level-zero-only texture.
+        hintLevelZeroOnly = true;
+        for (int level = 1; level < levels && hintLevelZeroOnly; level++)
+        {
+            hintLevelZeroOnly = !(mImageArray[level]->isDirty() && isLevelComplete(level));
+        }
+    }
+
+    // TODO(geofflang): Determine if the texture creation succeeded
+    *outStorage = {mRenderer->createTextureStorage2D(internalFormat, bindFlags, width, height,
+                                                     levels, mState.getLabel(), hintLevelZeroOnly),
+                   context};
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::setCompleteTexStorage(const gl::Context *context,
+                                                   TextureStorage *newCompleteTexStorage)
+{
+    if (newCompleteTexStorage && newCompleteTexStorage->isManaged())
+    {
+        for (int level = 0; level < newCompleteTexStorage->getLevelCount(); level++)
+        {
+            ANGLE_TRY(
+                mImageArray[level]->setManagedSurface2D(context, newCompleteTexStorage, level));
+        }
+    }
+
+    gl::TexLevelMask copyImageMask;
+    copyImageMask.set();
+
+    ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+    mTexStorage = newCompleteTexStorage;
+    mTexStorageObserverBinding.bind(mTexStorage);
+
+    mDirtyImages = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::updateStorage(const gl::Context *context)
+{
+    if (!mDirtyImages)
+    {
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mTexStorage != nullptr);
+    GLint storageLevels = mTexStorage->getLevelCount();
+    for (int level = 0; level < storageLevels; level++)
+    {
+        if (mImageArray[level]->isDirty() && isLevelComplete(level))
+        {
+            ANGLE_TRY(updateStorageLevel(context, level));
+        }
+    }
+
+    mDirtyImages = false;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::updateStorageLevel(const gl::Context *context, int level)
+{
+    ASSERT(level <= static_cast<int>(mImageArray.size()) && mImageArray[level] != nullptr);
+    ASSERT(isLevelComplete(level));
+
+    if (mImageArray[level]->isDirty())
+    {
+        gl::ImageIndex index = gl::ImageIndex::Make2D(level);
+        gl::Box region(0, 0, 0, getWidth(level), getHeight(level), 1);
+        ANGLE_TRY(commitRegion(context, index, region));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2D::redefineImage(const gl::Context *context,
+                                           size_t level,
+                                           GLenum internalformat,
+                                           const gl::Extents &size,
+                                           bool forceRelease)
+{
+    ASSERT(size.depth == 1);
+
+    // If there currently is a corresponding storage texture image, it has these parameters
+    const int storageWidth     = std::max(1, getLevelZeroWidth() >> level);
+    const int storageHeight    = std::max(1, getLevelZeroHeight() >> level);
+    const GLenum storageFormat = getBaseLevelInternalFormat();
+
+    if (mTexStorage)
+    {
+        const size_t storageLevels = mTexStorage->getLevelCount();
+
+        // If the storage was from an EGL image, copy it back into local images to preserve it
+        // while orphaning
+        if (level != 0 && mEGLImageTarget)
+        {
+            ANGLE_TRY(mImageArray[0]->copyFromTexStorage(context, gl::ImageIndex::Make2D(0),
+                                                         mTexStorage));
+        }
+
+        if ((level >= storageLevels && storageLevels != 0) || size.width != storageWidth ||
+            size.height != storageHeight || internalformat != storageFormat ||
+            mEGLImageTarget)  // Discard mismatched storage
+        {
+            gl::TexLevelMask copyImageMask;
+            copyImageMask.set();
+            copyImageMask.set(level, false);
+
+            ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+            markAllImagesDirty();
+        }
+    }
+
+    mImageArray[level]->redefine(gl::TextureType::_2D, internalformat, size, forceRelease);
+    mDirtyImages = mDirtyImages || mImageArray[level]->isDirty();
+
+    // Can't be an EGL image target after being redefined
+    mEGLImageTarget = false;
+
+    return angle::Result::Continue;
+}
+
+gl::ImageIndexIterator TextureD3D_2D::imageIterator() const
+{
+    return gl::ImageIndexIterator::Make2D(0, mTexStorage->getLevelCount());
+}
+
+gl::ImageIndex TextureD3D_2D::getImageIndex(GLint mip, GLint /*layer*/) const
+{
+    // "layer" does not apply to 2D Textures.
+    return gl::ImageIndex::Make2D(mip);
+}
+
+bool TextureD3D_2D::isValidIndex(const gl::ImageIndex &index) const
+{
+    return (mTexStorage && index.getType() == gl::TextureType::_2D && index.getLevelIndex() >= 0 &&
+            index.getLevelIndex() < mTexStorage->getLevelCount());
+}
+
+void TextureD3D_2D::markAllImagesDirty()
+{
+    for (size_t i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        mImageArray[i]->markDirty();
+    }
+    mDirtyImages = true;
+}
+
+TextureD3D_Cube::TextureD3D_Cube(const gl::TextureState &state, RendererD3D *renderer)
+    : TextureD3D(state, renderer)
+{
+    for (auto &face : mImageArray)
+    {
+        for (auto &image : face)
+        {
+            image.reset(renderer->createImage());
+        }
+    }
+}
+
+void TextureD3D_Cube::onDestroy(const gl::Context *context)
+{
+    // Delete the Images before the TextureStorage. Images might be relying on the TextureStorage
+    // for some of their data. If TextureStorage is deleted before the Images, then their data will
+    // be wastefully copied back from the GPU before we delete the Images.
+    for (auto &face : mImageArray)
+    {
+        for (auto &image : face)
+        {
+            image.reset();
+        }
+    }
+    return TextureD3D::onDestroy(context);
+}
+
+TextureD3D_Cube::~TextureD3D_Cube() {}
+
+ImageD3D *TextureD3D_Cube::getImage(int level, int layer) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(layer >= 0 && static_cast<size_t>(layer) < gl::kCubeFaceCount);
+    return mImageArray[layer][level].get();
+}
+
+ImageD3D *TextureD3D_Cube::getImage(const gl::ImageIndex &index) const
+{
+    ASSERT(index.getLevelIndex() < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(gl::IsCubeMapFaceTarget(index.getTarget()));
+    return mImageArray[index.cubeMapFaceIndex()][index.getLevelIndex()].get();
+}
+
+GLsizei TextureD3D_Cube::getLayerCount(int level) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    return gl::kCubeFaceCount;
+}
+
+GLenum TextureD3D_Cube::getInternalFormat(GLint level, GLint layer) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[layer][level]->getInternalFormat();
+    else
+        return GL_NONE;
+}
+
+bool TextureD3D_Cube::isDepth(GLint level, GLint layer) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level, layer)).depthBits > 0;
+}
+
+bool TextureD3D_Cube::isSRGB(GLint level, GLint layer) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level, layer)).colorEncoding == GL_SRGB;
+}
+
+angle::Result TextureD3D_Cube::setEGLImageTarget(const gl::Context *context,
+                                                 gl::TextureType type,
+                                                 egl::Image *image)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::setImage(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        GLenum internalFormat,
+                                        const gl::Extents &size,
+                                        GLenum format,
+                                        GLenum type,
+                                        const gl::PixelUnpackState &unpack,
+                                        gl::Buffer *unpackBuffer,
+                                        const uint8_t *pixels)
+{
+    ASSERT(size.depth == 1);
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+    ANGLE_TRY(redefineImage(context, index.cubeMapFaceIndex(), index.getLevelIndex(),
+                            internalFormatInfo.sizedInternalFormat, size, false));
+
+    return setImageImpl(context, index, type, unpack, unpackBuffer, pixels, 0);
+}
+
+angle::Result TextureD3D_Cube::setSubImage(const gl::Context *context,
+                                           const gl::ImageIndex &index,
+                                           const gl::Box &area,
+                                           GLenum format,
+                                           GLenum type,
+                                           const gl::PixelUnpackState &unpack,
+                                           gl::Buffer *unpackBuffer,
+                                           const uint8_t *pixels)
+{
+    ASSERT(area.depth == 1 && area.z == 0);
+    return TextureD3D::subImage(context, index, area, format, type, unpack, unpackBuffer, pixels,
+                                0);
+}
+
+angle::Result TextureD3D_Cube::setCompressedImage(const gl::Context *context,
+                                                  const gl::ImageIndex &index,
+                                                  GLenum internalFormat,
+                                                  const gl::Extents &size,
+                                                  const gl::PixelUnpackState &unpack,
+                                                  size_t imageSize,
+                                                  const uint8_t *pixels)
+{
+    ASSERT(size.depth == 1);
+
+    // compressed formats don't have separate sized internal formats-- we can just use the
+    // compressed format directly
+    ANGLE_TRY(redefineImage(context, index.cubeMapFaceIndex(), index.getLevelIndex(),
+                            internalFormat, size, false));
+
+    return setCompressedImageImpl(context, index, unpack, pixels, 0);
+}
+
+angle::Result TextureD3D_Cube::setCompressedSubImage(const gl::Context *context,
+                                                     const gl::ImageIndex &index,
+                                                     const gl::Box &area,
+                                                     GLenum format,
+                                                     const gl::PixelUnpackState &unpack,
+                                                     size_t imageSize,
+                                                     const uint8_t *pixels)
+{
+    ASSERT(area.depth == 1 && area.z == 0);
+
+    ANGLE_TRY(TextureD3D::subImageCompressed(context, index, area, format, unpack, pixels, 0));
+    return commitRegion(context, index, area);
+}
+
+angle::Result TextureD3D_Cube::copyImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         const gl::Rectangle &sourceArea,
+                                         GLenum internalFormat,
+                                         gl::Framebuffer *source)
+{
+    GLint faceIndex = index.cubeMapFaceIndex();
+    const gl::InternalFormat &internalFormatInfo =
+        gl::GetInternalFormatInfo(internalFormat, GL_UNSIGNED_BYTE);
+
+    gl::Extents size(sourceArea.width, sourceArea.height, 1);
+    ANGLE_TRY(redefineImage(context, faceIndex, index.getLevelIndex(),
+                            internalFormatInfo.sizedInternalFormat, size, false));
+
+    gl::Extents fbSize = source->getReadColorAttachment()->getSize();
+
+    // Does the read area extend beyond the framebuffer?
+    bool outside = sourceArea.x < 0 || sourceArea.y < 0 ||
+                   sourceArea.x + sourceArea.width > fbSize.width ||
+                   sourceArea.y + sourceArea.height > fbSize.height;
+
+    // WebGL requires that pixels that would be outside the framebuffer are treated as zero values,
+    // so clear the mip level to 0 prior to making the copy if any pixel would be sampled outside.
+    // Same thing for robust resource init.
+    if (outside && (context->isWebGL() || context->isRobustResourceInitEnabled()))
+    {
+        ANGLE_TRY(initializeContents(context, GL_NONE, index));
+    }
+
+    gl::Rectangle clippedArea;
+    if (!ClipRectangle(sourceArea, gl::Rectangle(0, 0, fbSize.width, fbSize.height), &clippedArea))
+    {
+        // Empty source area, nothing to do.
+        return angle::Result::Continue;
+    }
+
+    gl::Offset destOffset(clippedArea.x - sourceArea.x, clippedArea.y - sourceArea.y, 0);
+
+    // If the zero max LOD workaround is active, then we can't sample from individual layers of the
+    // framebuffer in shaders, so we should use the non-rendering copy path.
+    if (!canCreateRenderTargetForImage(index) ||
+        mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ANGLE_TRY(mImageArray[faceIndex][index.getLevelIndex()]->copyFromFramebuffer(
+            context, destOffset, clippedArea, source));
+        mDirtyImages = true;
+        onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+    }
+    else
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+
+        ASSERT(size.width == size.height);
+
+        if (size.width > 0 && isValidFaceLevel(faceIndex, index.getLevelIndex()))
+        {
+            ANGLE_TRY(updateStorageFaceLevel(context, faceIndex, index.getLevelIndex()));
+            ANGLE_TRY(mRenderer->copyImageCube(context, source, clippedArea, internalFormat,
+                                               destOffset, mTexStorage, index.getTarget(),
+                                               index.getLevelIndex()));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::copySubImage(const gl::Context *context,
+                                            const gl::ImageIndex &index,
+                                            const gl::Offset &destOffset,
+                                            const gl::Rectangle &sourceArea,
+                                            gl::Framebuffer *source)
+{
+    gl::Extents fbSize = source->getReadColorAttachment()->getSize();
+    gl::Rectangle clippedArea;
+    if (!ClipRectangle(sourceArea, gl::Rectangle(0, 0, fbSize.width, fbSize.height), &clippedArea))
+    {
+        return angle::Result::Continue;
+    }
+    const gl::Offset clippedOffset(destOffset.x + clippedArea.x - sourceArea.x,
+                                   destOffset.y + clippedArea.y - sourceArea.y, 0);
+
+    GLint faceIndex = index.cubeMapFaceIndex();
+
+    // If the zero max LOD workaround is active, then we can't sample from individual layers of the
+    // framebuffer in shaders, so we should use the non-rendering copy path.
+    if (!canCreateRenderTargetForImage(index) ||
+        mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ANGLE_TRY(mImageArray[faceIndex][index.getLevelIndex()]->copyFromFramebuffer(
+            context, clippedOffset, clippedArea, source));
+        mDirtyImages = true;
+        onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+    }
+    else
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        if (isValidFaceLevel(faceIndex, index.getLevelIndex()))
+        {
+            ANGLE_TRY(updateStorageFaceLevel(context, faceIndex, index.getLevelIndex()));
+            ANGLE_TRY(mRenderer->copyImageCube(
+                context, source, clippedArea, gl::GetUnsizedFormat(getBaseLevelInternalFormat()),
+                clippedOffset, mTexStorage, index.getTarget(), index.getLevelIndex()));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::copyTexture(const gl::Context *context,
+                                           const gl::ImageIndex &index,
+                                           GLenum internalFormat,
+                                           GLenum type,
+                                           GLint sourceLevel,
+                                           bool unpackFlipY,
+                                           bool unpackPremultiplyAlpha,
+                                           bool unpackUnmultiplyAlpha,
+                                           const gl::Texture *source)
+{
+    ASSERT(gl::IsCubeMapFaceTarget(index.getTarget()));
+
+    gl::TextureTarget sourceTarget = NonCubeTextureTypeToTarget(source->getType());
+
+    GLint faceIndex = index.cubeMapFaceIndex();
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+    gl::Extents size(static_cast<int>(source->getWidth(sourceTarget, sourceLevel)),
+                     static_cast<int>(source->getHeight(sourceTarget, sourceLevel)), 1);
+    ANGLE_TRY(redefineImage(context, faceIndex, index.getLevelIndex(),
+                            internalFormatInfo.sizedInternalFormat, size, false));
+
+    gl::Box sourceBox(0, 0, 0, size.width, size.height, 1);
+    gl::Offset destOffset(0, 0, 0);
+
+    if (!isSRGB(index.getLevelIndex(), faceIndex) && canCreateRenderTargetForImage(index))
+    {
+
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidFaceLevel(faceIndex, index.getLevelIndex()));
+        ANGLE_TRY(updateStorageFaceLevel(context, faceIndex, index.getLevelIndex()));
+
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_2D,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        gl::ImageIndex sourceImageIndex = gl::ImageIndex::Make2D(sourceLevel);
+        TextureD3D *sourceD3D           = GetImplAs<TextureD3D>(source);
+        ImageD3D *sourceImage           = nullptr;
+        ANGLE_TRY(sourceD3D->getImageAndSyncFromStorage(context, sourceImageIndex, &sourceImage));
+
+        ImageD3D *destImage = nullptr;
+        ANGLE_TRY(getImageAndSyncFromStorage(context, index, &destImage));
+
+        ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, sourceBox, destOffset,
+                                       unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(destOffset, size);
+        ANGLE_TRY(commitRegion(context, index, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::copySubTexture(const gl::Context *context,
+                                              const gl::ImageIndex &index,
+                                              const gl::Offset &destOffset,
+                                              GLint sourceLevel,
+                                              const gl::Box &sourceBox,
+                                              bool unpackFlipY,
+                                              bool unpackPremultiplyAlpha,
+                                              bool unpackUnmultiplyAlpha,
+                                              const gl::Texture *source)
+{
+    ASSERT(gl::IsCubeMapFaceTarget(index.getTarget()));
+
+    GLint faceIndex = index.cubeMapFaceIndex();
+
+    if (!isSRGB(index.getLevelIndex(), faceIndex) && canCreateRenderTargetForImage(index))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidFaceLevel(faceIndex, index.getLevelIndex()));
+        ANGLE_TRY(updateStorageFaceLevel(context, faceIndex, index.getLevelIndex()));
+
+        const gl::InternalFormat &internalFormatInfo =
+            gl::GetSizedInternalFormatInfo(getInternalFormat(index.getLevelIndex(), faceIndex));
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_2D,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        gl::ImageIndex sourceImageIndex = gl::ImageIndex::Make2D(sourceLevel);
+        TextureD3D *sourceD3D           = GetImplAs<TextureD3D>(source);
+        ImageD3D *sourceImage           = nullptr;
+        ANGLE_TRY(sourceD3D->getImageAndSyncFromStorage(context, sourceImageIndex, &sourceImage));
+
+        ImageD3D *destImage = nullptr;
+        ANGLE_TRY(getImageAndSyncFromStorage(context, index, &destImage));
+
+        ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, sourceBox, destOffset,
+                                       unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(destOffset.x, destOffset.y, 0, sourceBox.width, sourceBox.height, 1);
+        ANGLE_TRY(commitRegion(context, index, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::setStorage(const gl::Context *context,
+                                          gl::TextureType type,
+                                          size_t levels,
+                                          GLenum internalFormat,
+                                          const gl::Extents &size)
+{
+    ASSERT(size.width == size.height);
+    ASSERT(size.depth == 1);
+
+    for (size_t level = 0; level < levels; level++)
+    {
+        GLsizei mipSize = std::max(1, size.width >> level);
+        for (size_t faceIndex = 0; faceIndex < gl::kCubeFaceCount; faceIndex++)
+        {
+            mImageArray[faceIndex][level]->redefine(gl::TextureType::CubeMap, internalFormat,
+                                                    gl::Extents(mipSize, mipSize, 1), true);
+        }
+    }
+
+    for (size_t level = levels; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
+    {
+        for (size_t faceIndex = 0; faceIndex < gl::kCubeFaceCount; faceIndex++)
+        {
+            mImageArray[faceIndex][level]->redefine(gl::TextureType::CubeMap, GL_NONE,
+                                                    gl::Extents(0, 0, 0), true);
+        }
+    }
+
+    // TODO(geofflang): Verify storage creation had no errors
+    BindFlags bindFlags;
+    bindFlags.renderTarget = IsRenderTargetUsage(mState.getUsage());
+
+    TexStoragePointer storage = {
+        mRenderer->createTextureStorageCube(internalFormat, bindFlags, size.width,
+                                            static_cast<int>(levels), false, mState.getLabel()),
+        context};
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ANGLE_TRY(updateStorage(context));
+
+    mImmutable = true;
+
+    return angle::Result::Continue;
+}
+
+// Tests for cube texture completeness. [OpenGL ES 2.0.24] section 3.7.10 page 81.
+bool TextureD3D_Cube::isCubeComplete() const
+{
+    int baseWidth     = getBaseLevelWidth();
+    int baseHeight    = getBaseLevelHeight();
+    GLenum baseFormat = getBaseLevelInternalFormat();
+
+    if (baseWidth <= 0 || baseWidth != baseHeight)
+    {
+        return false;
+    }
+
+    for (size_t faceIndex = 1; faceIndex < gl::kCubeFaceCount; faceIndex++)
+    {
+        const ImageD3D &faceBaseImage = *mImageArray[faceIndex][getBaseLevel()];
+
+        if (faceBaseImage.getWidth() != baseWidth || faceBaseImage.getHeight() != baseHeight ||
+            faceBaseImage.getInternalFormat() != baseFormat)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+angle::Result TextureD3D_Cube::bindTexImage(const gl::Context *context, egl::Surface *surface)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::releaseTexImage(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::initMipmapImages(const gl::Context *context)
+{
+    const GLuint baseLevel = mState.getEffectiveBaseLevel();
+    const GLuint maxLevel  = mState.getMipmapMaxLevel();
+    // Purge array levels baseLevel + 1 through q and reset them to represent the generated mipmap
+    // levels.
+    for (int faceIndex = 0; faceIndex < static_cast<int>(gl::kCubeFaceCount); faceIndex++)
+    {
+        for (GLuint level = baseLevel + 1; level <= maxLevel; level++)
+        {
+            int faceLevelSize =
+                (std::max(mImageArray[faceIndex][baseLevel]->getWidth() >> (level - baseLevel), 1));
+            ANGLE_TRY(redefineImage(context, faceIndex, level,
+                                    mImageArray[faceIndex][baseLevel]->getInternalFormat(),
+                                    gl::Extents(faceLevelSize, faceLevelSize, 1), false));
+        }
+    }
+
+    // We should be mip-complete now so generate the storage.
+    ANGLE_TRY(initializeStorage(context, BindFlags::RenderTarget()));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::getRenderTarget(const gl::Context *context,
+                                               const gl::ImageIndex &index,
+                                               GLsizei samples,
+                                               RenderTargetD3D **outRT)
+{
+    ASSERT(gl::IsCubeMapFaceTarget(index.getTarget()));
+
+    // ensure the underlying texture is created
+    ANGLE_TRY(ensureRenderTarget(context));
+    ANGLE_TRY(updateStorageFaceLevel(context, index.cubeMapFaceIndex(), index.getLevelIndex()));
+
+    return mTexStorage->getRenderTarget(context, index, samples, outRT);
+}
+
+angle::Result TextureD3D_Cube::initializeStorage(const gl::Context *context, BindFlags bindFlags)
+{
+    // Only initialize the first time this texture is used as a render target or shader resource
+    if (mTexStorage)
+    {
+        return angle::Result::Continue;
+    }
+
+    // do not attempt to create storage for nonexistant data
+    if (!isFaceLevelComplete(0, getBaseLevel()))
+    {
+        return angle::Result::Continue;
+    }
+
+    bindFlags.renderTarget |= IsRenderTargetUsage(mState.getUsage());
+
+    TexStoragePointer storage;
+    ANGLE_TRY(createCompleteStorage(context, bindFlags, &storage));
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ASSERT(mTexStorage);
+
+    // flush image data to the storage
+    ANGLE_TRY(updateStorage(context));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::createCompleteStorage(const gl::Context *context,
+                                                     BindFlags bindFlags,
+                                                     TexStoragePointer *outStorage) const
+{
+    GLsizei size = getLevelZeroWidth();
+
+    ASSERT(size > 0);
+
+    // use existing storage level count, when previously specified by TexStorage*D
+    GLint levels = (mTexStorage ? mTexStorage->getLevelCount() : creationLevels(size, size, 1));
+
+    bool hintLevelZeroOnly = false;
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        // If any of the CPU images (levels >= 1) are dirty, then the textureStorageEXT should use
+        // the mipped texture to begin with. Otherwise, it should use the level-zero-only texture.
+        hintLevelZeroOnly = true;
+        for (int faceIndex = 0;
+             faceIndex < static_cast<int>(gl::kCubeFaceCount) && hintLevelZeroOnly; faceIndex++)
+        {
+            for (int level = 1; level < levels && hintLevelZeroOnly; level++)
+            {
+                hintLevelZeroOnly = !(mImageArray[faceIndex][level]->isDirty() &&
+                                      isFaceLevelComplete(faceIndex, level));
+            }
+        }
+    }
+
+    // TODO (geofflang): detect if storage creation succeeded
+    *outStorage = {
+        mRenderer->createTextureStorageCube(getBaseLevelInternalFormat(), bindFlags, size, levels,
+                                            hintLevelZeroOnly, mState.getLabel()),
+        context};
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::setCompleteTexStorage(const gl::Context *context,
+                                                     TextureStorage *newCompleteTexStorage)
+{
+    if (newCompleteTexStorage && newCompleteTexStorage->isManaged())
+    {
+        for (int faceIndex = 0; faceIndex < static_cast<int>(gl::kCubeFaceCount); faceIndex++)
+        {
+            for (int level = 0; level < newCompleteTexStorage->getLevelCount(); level++)
+            {
+                ANGLE_TRY(mImageArray[faceIndex][level]->setManagedSurfaceCube(
+                    context, newCompleteTexStorage, faceIndex, level));
+            }
+        }
+    }
+
+    gl::TexLevelMask copyImageMask;
+    copyImageMask.set();
+
+    ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+    mTexStorage = newCompleteTexStorage;
+    mTexStorageObserverBinding.bind(mTexStorage);
+
+    mDirtyImages = true;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::updateStorage(const gl::Context *context)
+{
+    if (!mDirtyImages)
+    {
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mTexStorage != nullptr);
+    GLint storageLevels = mTexStorage->getLevelCount();
+    for (int face = 0; face < static_cast<int>(gl::kCubeFaceCount); face++)
+    {
+        for (int level = 0; level < storageLevels; level++)
+        {
+            if (mImageArray[face][level]->isDirty() && isFaceLevelComplete(face, level))
+            {
+                ANGLE_TRY(updateStorageFaceLevel(context, face, level));
+            }
+        }
+    }
+
+    mDirtyImages = false;
+    return angle::Result::Continue;
+}
+
+bool TextureD3D_Cube::isValidFaceLevel(int faceIndex, int level) const
+{
+    return (mTexStorage ? (level >= 0 && level < mTexStorage->getLevelCount()) : 0);
+}
+
+bool TextureD3D_Cube::isFaceLevelComplete(int faceIndex, int level) const
+{
+    if (getBaseLevel() >= gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        return false;
+    }
+    ASSERT(level >= 0 && static_cast<size_t>(faceIndex) < gl::kCubeFaceCount &&
+           level < static_cast<int>(mImageArray[faceIndex].size()) &&
+           mImageArray[faceIndex][level] != nullptr);
+
+    if (isImmutable())
+    {
+        return true;
+    }
+
+    int levelZeroSize = getLevelZeroWidth();
+
+    if (levelZeroSize <= 0)
+    {
+        return false;
+    }
+
+    // Check that non-zero levels are consistent with the base level.
+    const ImageD3D *faceLevelImage = mImageArray[faceIndex][level].get();
+
+    if (faceLevelImage->getInternalFormat() != getBaseLevelInternalFormat())
+    {
+        return false;
+    }
+
+    if (faceLevelImage->getWidth() != std::max(1, levelZeroSize >> level))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool TextureD3D_Cube::isImageComplete(const gl::ImageIndex &index) const
+{
+    return isFaceLevelComplete(index.cubeMapFaceIndex(), index.getLevelIndex());
+}
+
+angle::Result TextureD3D_Cube::updateStorageFaceLevel(const gl::Context *context,
+                                                      int faceIndex,
+                                                      int level)
+{
+    ASSERT(level >= 0 && static_cast<size_t>(faceIndex) < gl::kCubeFaceCount &&
+           level < static_cast<int>(mImageArray[faceIndex].size()) &&
+           mImageArray[faceIndex][level] != nullptr);
+    ImageD3D *image = mImageArray[faceIndex][level].get();
+
+    if (image->isDirty())
+    {
+        gl::TextureTarget faceTarget = gl::CubeFaceIndexToTextureTarget(faceIndex);
+        gl::ImageIndex index         = gl::ImageIndex::MakeCubeMapFace(faceTarget, level);
+        gl::Box region(0, 0, 0, image->getWidth(), image->getHeight(), 1);
+        ANGLE_TRY(commitRegion(context, index, region));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Cube::redefineImage(const gl::Context *context,
+                                             int faceIndex,
+                                             GLint level,
+                                             GLenum internalformat,
+                                             const gl::Extents &size,
+                                             bool forceRelease)
+{
+    // If there currently is a corresponding storage texture image, it has these parameters
+    const int storageWidth     = std::max(1, getLevelZeroWidth() >> level);
+    const int storageHeight    = std::max(1, getLevelZeroHeight() >> level);
+    const GLenum storageFormat = getBaseLevelInternalFormat();
+
+    if (mTexStorage)
+    {
+        const int storageLevels = mTexStorage->getLevelCount();
+
+        if ((level >= storageLevels && storageLevels != 0) || size.width != storageWidth ||
+            size.height != storageHeight ||
+            internalformat != storageFormat)  // Discard mismatched storage
+        {
+            markAllImagesDirty();
+
+            gl::TexLevelMask copyImageMask;
+            copyImageMask.set();
+            copyImageMask.set(level, false);
+
+            ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+        }
+    }
+
+    mImageArray[faceIndex][level]->redefine(gl::TextureType::CubeMap, internalformat, size,
+                                            forceRelease);
+    mDirtyImages = mDirtyImages || mImageArray[faceIndex][level]->isDirty();
+
+    return angle::Result::Continue;
+}
+
+gl::ImageIndexIterator TextureD3D_Cube::imageIterator() const
+{
+    return gl::ImageIndexIterator::MakeCube(0, mTexStorage->getLevelCount());
+}
+
+gl::ImageIndex TextureD3D_Cube::getImageIndex(GLint mip, GLint layer) const
+{
+    // The "layer" of the image index corresponds to the cube face
+    return gl::ImageIndex::MakeCubeMapFace(gl::CubeFaceIndexToTextureTarget(layer), mip);
+}
+
+bool TextureD3D_Cube::isValidIndex(const gl::ImageIndex &index) const
+{
+    return (mTexStorage && index.getType() == gl::TextureType::CubeMap &&
+            gl::IsCubeMapFaceTarget(index.getTarget()) && index.getLevelIndex() >= 0 &&
+            index.getLevelIndex() < mTexStorage->getLevelCount());
+}
+
+void TextureD3D_Cube::markAllImagesDirty()
+{
+    for (int dirtyLevel = 0; dirtyLevel < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; dirtyLevel++)
+    {
+        for (size_t dirtyFace = 0; dirtyFace < gl::kCubeFaceCount; dirtyFace++)
+        {
+            mImageArray[dirtyFace][dirtyLevel]->markDirty();
+        }
+    }
+    mDirtyImages = true;
+}
+
+TextureD3D_3D::TextureD3D_3D(const gl::TextureState &state, RendererD3D *renderer)
+    : TextureD3D(state, renderer)
+{
+    for (int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; ++i)
+    {
+        mImageArray[i].reset(renderer->createImage());
+    }
+}
+
+void TextureD3D_3D::onDestroy(const gl::Context *context)
+{
+    // Delete the Images before the TextureStorage. Images might be relying on the TextureStorage
+    // for some of their data. If TextureStorage is deleted before the Images, then their data will
+    // be wastefully copied back from the GPU before we delete the Images.
+    for (auto &image : mImageArray)
+    {
+        image.reset();
+    }
+    return TextureD3D::onDestroy(context);
+}
+
+TextureD3D_3D::~TextureD3D_3D() {}
+
+ImageD3D *TextureD3D_3D::getImage(int level, int layer) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(layer == 0);
+    return mImageArray[level].get();
+}
+
+ImageD3D *TextureD3D_3D::getImage(const gl::ImageIndex &index) const
+{
+    ASSERT(index.getLevelIndex() < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(!index.hasLayer());
+    ASSERT(index.getType() == gl::TextureType::_3D);
+    return mImageArray[index.getLevelIndex()].get();
+}
+
+GLsizei TextureD3D_3D::getLayerCount(int level) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    return 1;
+}
+
+GLsizei TextureD3D_3D::getWidth(GLint level) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[level]->getWidth();
+    else
+        return 0;
+}
+
+GLsizei TextureD3D_3D::getHeight(GLint level) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[level]->getHeight();
+    else
+        return 0;
+}
+
+GLsizei TextureD3D_3D::getDepth(GLint level) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[level]->getDepth();
+    else
+        return 0;
+}
+
+GLenum TextureD3D_3D::getInternalFormat(GLint level) const
+{
+    if (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+        return mImageArray[level]->getInternalFormat();
+    else
+        return GL_NONE;
+}
+
+bool TextureD3D_3D::isDepth(GLint level) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level)).depthBits > 0;
+}
+
+bool TextureD3D_3D::isSRGB(GLint level) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level)).colorEncoding == GL_SRGB;
+}
+
+angle::Result TextureD3D_3D::setEGLImageTarget(const gl::Context *context,
+                                               gl::TextureType type,
+                                               egl::Image *image)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::setImage(const gl::Context *context,
+                                      const gl::ImageIndex &index,
+                                      GLenum internalFormat,
+                                      const gl::Extents &size,
+                                      GLenum format,
+                                      GLenum type,
+                                      const gl::PixelUnpackState &unpack,
+                                      gl::Buffer *unpackBuffer,
+                                      const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_3D);
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormatInfo.sizedInternalFormat,
+                            size, false));
+
+    bool fastUnpacked = false;
+
+    // Attempt a fast gpu copy of the pixel data to the surface if the app bound an unpack buffer
+    if (isFastUnpackable(unpackBuffer, unpack, internalFormatInfo.sizedInternalFormat) &&
+        !size.empty() && isLevelComplete(index.getLevelIndex()))
+    {
+        // Will try to create RT storage if it does not exist
+        RenderTargetD3D *destRenderTarget = nullptr;
+        ANGLE_TRY(getRenderTarget(context, index, getRenderToTextureSamples(), &destRenderTarget));
+
+        gl::Box destArea(0, 0, 0, getWidth(index.getLevelIndex()), getHeight(index.getLevelIndex()),
+                         getDepth(index.getLevelIndex()));
+
+        ANGLE_TRY(fastUnpackPixels(context, unpack, unpackBuffer, pixels, destArea,
+                                   internalFormatInfo.sizedInternalFormat, type, destRenderTarget));
+
+        // Ensure we don't overwrite our newly initialized data
+        mImageArray[index.getLevelIndex()]->markClean();
+
+        fastUnpacked = true;
+    }
+
+    if (!fastUnpacked)
+    {
+        ANGLE_TRY(setImageImpl(context, index, type, unpack, unpackBuffer, pixels, 0));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::setSubImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         const gl::Box &area,
+                                         GLenum format,
+                                         GLenum type,
+                                         const gl::PixelUnpackState &unpack,
+                                         gl::Buffer *unpackBuffer,
+                                         const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_3D);
+
+    // Attempt a fast gpu copy of the pixel data to the surface if the app bound an unpack buffer
+    GLenum mipFormat = getInternalFormat(index.getLevelIndex());
+    if (isFastUnpackable(unpackBuffer, unpack, mipFormat) && isLevelComplete(index.getLevelIndex()))
+    {
+        RenderTargetD3D *destRenderTarget = nullptr;
+        ANGLE_TRY(getRenderTarget(context, index, getRenderToTextureSamples(), &destRenderTarget));
+        ASSERT(!mImageArray[index.getLevelIndex()]->isDirty());
+
+        return fastUnpackPixels(context, unpack, unpackBuffer, pixels, area, mipFormat, type,
+                                destRenderTarget);
+    }
+    else
+    {
+        return TextureD3D::subImage(context, index, area, format, type, unpack, unpackBuffer,
+                                    pixels, 0);
+    }
+}
+
+angle::Result TextureD3D_3D::setCompressedImage(const gl::Context *context,
+                                                const gl::ImageIndex &index,
+                                                GLenum internalFormat,
+                                                const gl::Extents &size,
+                                                const gl::PixelUnpackState &unpack,
+                                                size_t imageSize,
+                                                const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_3D);
+
+    // compressed formats don't have separate sized internal formats-- we can just use the
+    // compressed format directly
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormat, size, false));
+
+    return setCompressedImageImpl(context, index, unpack, pixels, 0);
+}
+
+angle::Result TextureD3D_3D::setCompressedSubImage(const gl::Context *context,
+                                                   const gl::ImageIndex &index,
+                                                   const gl::Box &area,
+                                                   GLenum format,
+                                                   const gl::PixelUnpackState &unpack,
+                                                   size_t imageSize,
+                                                   const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_3D);
+
+    ANGLE_TRY(TextureD3D::subImageCompressed(context, index, area, format, unpack, pixels, 0));
+    return commitRegion(context, index, area);
+}
+
+angle::Result TextureD3D_3D::copyImage(const gl::Context *context,
+                                       const gl::ImageIndex &index,
+                                       const gl::Rectangle &sourceArea,
+                                       GLenum internalFormat,
+                                       gl::Framebuffer *source)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::copySubImage(const gl::Context *context,
+                                          const gl::ImageIndex &index,
+                                          const gl::Offset &destOffset,
+                                          const gl::Rectangle &sourceArea,
+                                          gl::Framebuffer *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_3D);
+
+    gl::Extents fbSize = source->getReadColorAttachment()->getSize();
+    gl::Rectangle clippedSourceArea;
+    if (!ClipRectangle(sourceArea, gl::Rectangle(0, 0, fbSize.width, fbSize.height),
+                       &clippedSourceArea))
+    {
+        return angle::Result::Continue;
+    }
+    const gl::Offset clippedDestOffset(destOffset.x + clippedSourceArea.x - sourceArea.x,
+                                       destOffset.y + clippedSourceArea.y - sourceArea.y,
+                                       destOffset.z);
+
+    // Currently, copying directly to the storage is not possible because it's not possible to
+    // create an SRV from a single layer of a 3D texture.  Instead, make sure the image is up to
+    // date before the copy and then copy back to the storage afterwards if needed.
+    // TODO: Investigate 3D blits in D3D11.
+
+    bool syncTexStorage = mTexStorage && isLevelComplete(index.getLevelIndex());
+    if (syncTexStorage)
+    {
+        ANGLE_TRY(
+            mImageArray[index.getLevelIndex()]->copyFromTexStorage(context, index, mTexStorage));
+    }
+    ANGLE_TRY(mImageArray[index.getLevelIndex()]->copyFromFramebuffer(context, clippedDestOffset,
+                                                                      clippedSourceArea, source));
+    mDirtyImages = true;
+    onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+
+    if (syncTexStorage)
+    {
+        ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::copyTexture(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         GLenum internalFormat,
+                                         GLenum type,
+                                         GLint sourceLevel,
+                                         bool unpackFlipY,
+                                         bool unpackPremultiplyAlpha,
+                                         bool unpackUnmultiplyAlpha,
+                                         const gl::Texture *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_3D);
+
+    gl::TextureType sourceType = source->getType();
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+    gl::Extents size(
+        static_cast<int>(source->getWidth(NonCubeTextureTypeToTarget(sourceType), sourceLevel)),
+        static_cast<int>(source->getHeight(NonCubeTextureTypeToTarget(sourceType), sourceLevel)),
+        static_cast<int>(source->getDepth(NonCubeTextureTypeToTarget(sourceType), sourceLevel)));
+
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormatInfo.sizedInternalFormat,
+                            size, false));
+
+    gl::Box sourceBox(0, 0, 0, size.width, size.height, size.depth);
+    gl::Offset destOffset(0, 0, 0);
+    gl::ImageIndex destIndex = gl::ImageIndex::Make3D(static_cast<GLint>(index.getLevelIndex()));
+
+    if (!isSRGB(index.getLevelIndex()) && canCreateRenderTargetForImage(destIndex))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidLevel(index.getLevelIndex()));
+        ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_3D,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        gl::ImageIndex sourceIndex = gl::ImageIndex::Make3D(sourceLevel);
+        ImageD3D *sourceImage      = nullptr;
+        ImageD3D *destImage        = nullptr;
+        TextureD3D *sourceD3D      = GetImplAs<TextureD3D>(source);
+
+        ANGLE_TRY(getImageAndSyncFromStorage(context, destIndex, &destImage));
+        ANGLE_TRY(sourceD3D->getImageAndSyncFromStorage(context, sourceIndex, &sourceImage));
+
+        ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, sourceBox, destOffset,
+                                       unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(0, 0, 0, sourceBox.width, sourceBox.height, sourceBox.depth);
+        ANGLE_TRY(commitRegion(context, destIndex, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+angle::Result TextureD3D_3D::copySubTexture(const gl::Context *context,
+                                            const gl::ImageIndex &index,
+                                            const gl::Offset &destOffset,
+                                            GLint sourceLevel,
+                                            const gl::Box &sourceBox,
+                                            bool unpackFlipY,
+                                            bool unpackPremultiplyAlpha,
+                                            bool unpackUnmultiplyAlpha,
+                                            const gl::Texture *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_3D);
+
+    gl::ImageIndex destIndex = gl::ImageIndex::Make3D(static_cast<GLint>(index.getLevelIndex()));
+
+    if (!isSRGB(index.getLevelIndex()) && canCreateRenderTargetForImage(destIndex))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidLevel(index.getLevelIndex()));
+        ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+
+        const gl::InternalFormat &internalFormatInfo =
+            gl::GetSizedInternalFormatInfo(getInternalFormat(index.getLevelIndex()));
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_3D,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        gl::ImageIndex sourceImageIndex = gl::ImageIndex::Make3D(sourceLevel);
+        TextureD3D *sourceD3D           = GetImplAs<TextureD3D>(source);
+        ImageD3D *sourceImage           = nullptr;
+        ANGLE_TRY(sourceD3D->getImageAndSyncFromStorage(context, sourceImageIndex, &sourceImage));
+
+        ImageD3D *destImage = nullptr;
+        ANGLE_TRY(getImageAndSyncFromStorage(context, destIndex, &destImage));
+
+        ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, sourceBox, destOffset,
+                                       unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(destOffset.x, destOffset.y, destOffset.z, sourceBox.width,
+                           sourceBox.height, sourceBox.depth);
+        ANGLE_TRY(commitRegion(context, destIndex, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::setStorage(const gl::Context *context,
+                                        gl::TextureType type,
+                                        size_t levels,
+                                        GLenum internalFormat,
+                                        const gl::Extents &size)
+{
+    ASSERT(type == gl::TextureType::_3D);
+
+    for (size_t level = 0; level < levels; level++)
+    {
+        gl::Extents levelSize(std::max(1, size.width >> level), std::max(1, size.height >> level),
+                              std::max(1, size.depth >> level));
+        mImageArray[level]->redefine(gl::TextureType::_3D, internalFormat, levelSize, true);
+    }
+
+    for (size_t level = levels; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
+    {
+        mImageArray[level]->redefine(gl::TextureType::_3D, GL_NONE, gl::Extents(0, 0, 0), true);
+    }
+
+    // TODO(geofflang): Verify storage creation had no errors
+    BindFlags bindFlags;
+    bindFlags.renderTarget    = IsRenderTargetUsage(mState.getUsage());
+    TexStoragePointer storage = {
+        mRenderer->createTextureStorage3D(internalFormat, bindFlags, size.width, size.height,
+                                          size.depth, static_cast<int>(levels), mState.getLabel()),
+        context};
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ANGLE_TRY(updateStorage(context));
+
+    mImmutable = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::bindTexImage(const gl::Context *context, egl::Surface *surface)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::releaseTexImage(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::initMipmapImages(const gl::Context *context)
+{
+    const GLuint baseLevel = mState.getEffectiveBaseLevel();
+    const GLuint maxLevel  = mState.getMipmapMaxLevel();
+    // Purge array levels baseLevel + 1 through q and reset them to represent the generated mipmap
+    // levels.
+    for (GLuint level = baseLevel + 1; level <= maxLevel; level++)
+    {
+        gl::Extents levelSize(std::max(getLevelZeroWidth() >> level, 1),
+                              std::max(getLevelZeroHeight() >> level, 1),
+                              std::max(getLevelZeroDepth() >> level, 1));
+        ANGLE_TRY(redefineImage(context, level, getBaseLevelInternalFormat(), levelSize, false));
+    }
+
+    // We should be mip-complete now so generate the storage.
+    ANGLE_TRY(initializeStorage(context, BindFlags::RenderTarget()));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::getRenderTarget(const gl::Context *context,
+                                             const gl::ImageIndex &index,
+                                             GLsizei samples,
+                                             RenderTargetD3D **outRT)
+{
+    // ensure the underlying texture is created
+    ANGLE_TRY(ensureRenderTarget(context));
+
+    if (index.hasLayer())
+    {
+        ANGLE_TRY(updateStorage(context));
+    }
+    else
+    {
+        ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+    }
+
+    return mTexStorage->getRenderTarget(context, index, samples, outRT);
+}
+
+angle::Result TextureD3D_3D::initializeStorage(const gl::Context *context, BindFlags bindFlags)
+{
+    // Only initialize the first time this texture is used as a render target or shader resource
+    if (mTexStorage)
+    {
+        return angle::Result::Continue;
+    }
+
+    // do not attempt to create storage for nonexistant data
+    if (!isLevelComplete(getBaseLevel()))
+    {
+        return angle::Result::Continue;
+    }
+
+    TexStoragePointer storage;
+    ANGLE_TRY(createCompleteStorage(context, bindFlags, &storage));
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ASSERT(mTexStorage);
+
+    // flush image data to the storage
+    ANGLE_TRY(updateStorage(context));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::createCompleteStorage(const gl::Context *context,
+                                                   BindFlags bindFlags,
+                                                   TexStoragePointer *outStorage) const
+{
+    GLsizei width         = getLevelZeroWidth();
+    GLsizei height        = getLevelZeroHeight();
+    GLsizei depth         = getLevelZeroDepth();
+    GLenum internalFormat = getBaseLevelInternalFormat();
+
+    ASSERT(width > 0 && height > 0 && depth > 0);
+
+    // use existing storage level count, when previously specified by TexStorage*D
+    GLint levels =
+        (mTexStorage ? mTexStorage->getLevelCount() : creationLevels(width, height, depth));
+
+    // TODO: Verify creation of the storage succeeded
+    *outStorage = {mRenderer->createTextureStorage3D(internalFormat, bindFlags, width, height,
+                                                     depth, levels, mState.getLabel()),
+                   context};
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::setCompleteTexStorage(const gl::Context *context,
+                                                   TextureStorage *newCompleteTexStorage)
+{
+    gl::TexLevelMask copyImageMask;
+    copyImageMask.set();
+
+    ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+    mTexStorage = newCompleteTexStorage;
+    mTexStorageObserverBinding.bind(mTexStorage);
+    mDirtyImages = true;
+
+    // We do not support managed 3D storage, as that is D3D9/ES2-only
+    ASSERT(!mTexStorage->isManaged());
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::updateStorage(const gl::Context *context)
+{
+    if (!mDirtyImages)
+    {
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mTexStorage != nullptr);
+    GLint storageLevels = mTexStorage->getLevelCount();
+    for (int level = 0; level < storageLevels; level++)
+    {
+        if (mImageArray[level]->isDirty() && isLevelComplete(level))
+        {
+            ANGLE_TRY(updateStorageLevel(context, level));
+        }
+    }
+
+    mDirtyImages = false;
+    return angle::Result::Continue;
+}
+
+bool TextureD3D_3D::isValidLevel(int level) const
+{
+    return (mTexStorage ? (level >= 0 && level < mTexStorage->getLevelCount()) : 0);
+}
+
+bool TextureD3D_3D::isLevelComplete(int level) const
+{
+    ASSERT(level >= 0 && level < static_cast<int>(mImageArray.size()) &&
+           mImageArray[level] != nullptr);
+
+    if (isImmutable())
+    {
+        return true;
+    }
+
+    GLsizei width  = getLevelZeroWidth();
+    GLsizei height = getLevelZeroHeight();
+    GLsizei depth  = getLevelZeroDepth();
+
+    if (width <= 0 || height <= 0 || depth <= 0)
+    {
+        return false;
+    }
+
+    if (level == static_cast<int>(getBaseLevel()))
+    {
+        return true;
+    }
+
+    ImageD3D *levelImage = mImageArray[level].get();
+
+    if (levelImage->getInternalFormat() != getBaseLevelInternalFormat())
+    {
+        return false;
+    }
+
+    if (levelImage->getWidth() != std::max(1, width >> level))
+    {
+        return false;
+    }
+
+    if (levelImage->getHeight() != std::max(1, height >> level))
+    {
+        return false;
+    }
+
+    if (levelImage->getDepth() != std::max(1, depth >> level))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool TextureD3D_3D::isImageComplete(const gl::ImageIndex &index) const
+{
+    return isLevelComplete(index.getLevelIndex());
+}
+
+angle::Result TextureD3D_3D::updateStorageLevel(const gl::Context *context, int level)
+{
+    ASSERT(level >= 0 && level < static_cast<int>(mImageArray.size()) &&
+           mImageArray[level] != nullptr);
+    ASSERT(isLevelComplete(level));
+
+    if (mImageArray[level]->isDirty())
+    {
+        gl::ImageIndex index = gl::ImageIndex::Make3D(level);
+        gl::Box region(0, 0, 0, getWidth(level), getHeight(level), getDepth(level));
+        ANGLE_TRY(commitRegion(context, index, region));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_3D::redefineImage(const gl::Context *context,
+                                           GLint level,
+                                           GLenum internalformat,
+                                           const gl::Extents &size,
+                                           bool forceRelease)
+{
+    // If there currently is a corresponding storage texture image, it has these parameters
+    const int storageWidth     = std::max(1, getLevelZeroWidth() >> level);
+    const int storageHeight    = std::max(1, getLevelZeroHeight() >> level);
+    const int storageDepth     = std::max(1, getLevelZeroDepth() >> level);
+    const GLenum storageFormat = getBaseLevelInternalFormat();
+
+    if (mTexStorage)
+    {
+        const int storageLevels = mTexStorage->getLevelCount();
+
+        if ((level >= storageLevels && storageLevels != 0) || size.width != storageWidth ||
+            size.height != storageHeight || size.depth != storageDepth ||
+            internalformat != storageFormat)  // Discard mismatched storage
+        {
+            markAllImagesDirty();
+
+            gl::TexLevelMask copyImageMask;
+            copyImageMask.set();
+            copyImageMask.set(level, false);
+
+            ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+        }
+    }
+
+    mImageArray[level]->redefine(gl::TextureType::_3D, internalformat, size, forceRelease);
+    mDirtyImages = mDirtyImages || mImageArray[level]->isDirty();
+
+    return angle::Result::Continue;
+}
+
+gl::ImageIndexIterator TextureD3D_3D::imageIterator() const
+{
+    return gl::ImageIndexIterator::Make3D(0, mTexStorage->getLevelCount(),
+                                          gl::ImageIndex::kEntireLevel,
+                                          gl::ImageIndex::kEntireLevel);
+}
+
+gl::ImageIndex TextureD3D_3D::getImageIndex(GLint mip, GLint /*layer*/) const
+{
+    // The "layer" here does not apply to 3D images. We use one Image per mip.
+    return gl::ImageIndex::Make3D(mip);
+}
+
+bool TextureD3D_3D::isValidIndex(const gl::ImageIndex &index) const
+{
+    return (mTexStorage && index.getType() == gl::TextureType::_3D && index.getLevelIndex() >= 0 &&
+            index.getLevelIndex() < mTexStorage->getLevelCount());
+}
+
+void TextureD3D_3D::markAllImagesDirty()
+{
+    for (int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        mImageArray[i]->markDirty();
+    }
+    mDirtyImages = true;
+}
+
+GLint TextureD3D_3D::getLevelZeroDepth() const
+{
+    ASSERT(gl::CountLeadingZeros(static_cast<uint32_t>(getBaseLevelDepth())) > getBaseLevel());
+    return getBaseLevelDepth() << getBaseLevel();
+}
+
+TextureD3D_2DArray::TextureD3D_2DArray(const gl::TextureState &state, RendererD3D *renderer)
+    : TextureD3D(state, renderer)
+{
+    for (int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; ++level)
+    {
+        mLayerCounts[level] = 0;
+        mImageArray[level]  = nullptr;
+    }
+}
+
+void TextureD3D_2DArray::onDestroy(const gl::Context *context)
+{
+    // Delete the Images before the TextureStorage. Images might be relying on the TextureStorage
+    // for some of their data. If TextureStorage is deleted before the Images, then their data will
+    // be wastefully copied back from the GPU before we delete the Images.
+    deleteImages();
+    return TextureD3D::onDestroy(context);
+}
+
+TextureD3D_2DArray::~TextureD3D_2DArray() {}
+
+ImageD3D *TextureD3D_2DArray::getImage(int level, int layer) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT((layer == 0 && mLayerCounts[level] == 0) || layer < mLayerCounts[level]);
+    return (mImageArray[level] ? mImageArray[level][layer] : nullptr);
+}
+
+ImageD3D *TextureD3D_2DArray::getImage(const gl::ImageIndex &index) const
+{
+    ASSERT(index.getLevelIndex() < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(index.hasLayer());
+    ASSERT((index.getLayerIndex() == 0 && mLayerCounts[index.getLevelIndex()] == 0) ||
+           index.getLayerIndex() < mLayerCounts[index.getLevelIndex()]);
+    ASSERT(index.getType() == gl::TextureType::_2DArray);
+    return (mImageArray[index.getLevelIndex()]
+                ? mImageArray[index.getLevelIndex()][index.getLayerIndex()]
+                : nullptr);
+}
+
+GLsizei TextureD3D_2DArray::getLayerCount(int level) const
+{
+    ASSERT(level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    return mLayerCounts[level];
+}
+
+GLsizei TextureD3D_2DArray::getWidth(GLint level) const
+{
+    return (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS && mLayerCounts[level] > 0)
+               ? mImageArray[level][0]->getWidth()
+               : 0;
+}
+
+GLsizei TextureD3D_2DArray::getHeight(GLint level) const
+{
+    return (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS && mLayerCounts[level] > 0)
+               ? mImageArray[level][0]->getHeight()
+               : 0;
+}
+
+GLenum TextureD3D_2DArray::getInternalFormat(GLint level) const
+{
+    return (level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS && mLayerCounts[level] > 0)
+               ? mImageArray[level][0]->getInternalFormat()
+               : GL_NONE;
+}
+
+bool TextureD3D_2DArray::isDepth(GLint level) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level)).depthBits > 0;
+}
+
+bool TextureD3D_2DArray::isSRGB(GLint level) const
+{
+    return gl::GetSizedInternalFormatInfo(getInternalFormat(level)).colorEncoding == GL_SRGB;
+}
+
+angle::Result TextureD3D_2DArray::setEGLImageTarget(const gl::Context *context,
+                                                    gl::TextureType type,
+                                                    egl::Image *image)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::setImage(const gl::Context *context,
+                                           const gl::ImageIndex &index,
+                                           GLenum internalFormat,
+                                           const gl::Extents &size,
+                                           GLenum format,
+                                           GLenum type,
+                                           const gl::PixelUnpackState &unpack,
+                                           gl::Buffer *unpackBuffer,
+                                           const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2DArray);
+
+    const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+
+    ANGLE_TRY(
+        redefineImage(context, index.getLevelIndex(), formatInfo.sizedInternalFormat, size, false));
+
+    ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+
+    GLuint inputDepthPitch = 0;
+    ANGLE_CHECK_GL_MATH(contextD3D, formatInfo.computeDepthPitch(
+                                        type, size.width, size.height, unpack.alignment,
+                                        unpack.rowLength, unpack.imageHeight, &inputDepthPitch));
+
+    for (int i = 0; i < size.depth; i++)
+    {
+        const ptrdiff_t layerOffset = (inputDepthPitch * i);
+        gl::ImageIndex layerIndex   = gl::ImageIndex::Make2DArray(index.getLevelIndex(), i);
+        ANGLE_TRY(
+            setImageImpl(context, layerIndex, type, unpack, unpackBuffer, pixels, layerOffset));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::setSubImage(const gl::Context *context,
+                                              const gl::ImageIndex &index,
+                                              const gl::Box &area,
+                                              GLenum format,
+                                              GLenum type,
+                                              const gl::PixelUnpackState &unpack,
+                                              gl::Buffer *unpackBuffer,
+                                              const uint8_t *pixels)
+{
+    ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+
+    ASSERT(index.getTarget() == gl::TextureTarget::_2DArray);
+    const gl::InternalFormat &formatInfo =
+        gl::GetInternalFormatInfo(getInternalFormat(index.getLevelIndex()), type);
+    GLuint inputDepthPitch = 0;
+    ANGLE_CHECK_GL_MATH(contextD3D, formatInfo.computeDepthPitch(
+                                        type, area.width, area.height, unpack.alignment,
+                                        unpack.rowLength, unpack.imageHeight, &inputDepthPitch));
+
+    for (int i = 0; i < area.depth; i++)
+    {
+        int layer                   = area.z + i;
+        const ptrdiff_t layerOffset = (inputDepthPitch * i);
+
+        gl::Box layerArea(area.x, area.y, 0, area.width, area.height, 1);
+
+        gl::ImageIndex layerIndex = gl::ImageIndex::Make2DArray(index.getLevelIndex(), layer);
+        ANGLE_TRY(TextureD3D::subImage(context, layerIndex, layerArea, format, type, unpack,
+                                       unpackBuffer, pixels, layerOffset));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::setCompressedImage(const gl::Context *context,
+                                                     const gl::ImageIndex &index,
+                                                     GLenum internalFormat,
+                                                     const gl::Extents &size,
+                                                     const gl::PixelUnpackState &unpack,
+                                                     size_t imageSize,
+                                                     const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2DArray);
+
+    ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+
+    // compressed formats don't have separate sized internal formats-- we can just use the
+    // compressed format directly
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormat, size, false));
+
+    const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(internalFormat);
+    GLuint inputDepthPitch               = 0;
+    ANGLE_CHECK_GL_MATH(
+        contextD3D, formatInfo.computeDepthPitch(GL_UNSIGNED_BYTE, size.width, size.height, 1, 0, 0,
+                                                 &inputDepthPitch));
+
+    for (int i = 0; i < size.depth; i++)
+    {
+        const ptrdiff_t layerOffset = (inputDepthPitch * i);
+
+        gl::ImageIndex layerIndex = gl::ImageIndex::Make2DArray(index.getLevelIndex(), i);
+        ANGLE_TRY(setCompressedImageImpl(context, layerIndex, unpack, pixels, layerOffset));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::setCompressedSubImage(const gl::Context *context,
+                                                        const gl::ImageIndex &index,
+                                                        const gl::Box &area,
+                                                        GLenum format,
+                                                        const gl::PixelUnpackState &unpack,
+                                                        size_t imageSize,
+                                                        const uint8_t *pixels)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2DArray);
+
+    ContextD3D *contextD3D = GetImplAs<ContextD3D>(context);
+
+    const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(format);
+    GLuint inputDepthPitch               = 0;
+    ANGLE_CHECK_GL_MATH(
+        contextD3D, formatInfo.computeDepthPitch(GL_UNSIGNED_BYTE, area.width, area.height, 1, 0, 0,
+                                                 &inputDepthPitch));
+
+    for (int i = 0; i < area.depth; i++)
+    {
+        int layer                   = area.z + i;
+        const ptrdiff_t layerOffset = (inputDepthPitch * i);
+
+        gl::Box layerArea(area.x, area.y, 0, area.width, area.height, 1);
+
+        gl::ImageIndex layerIndex = gl::ImageIndex::Make2DArray(index.getLevelIndex(), layer);
+        ANGLE_TRY(TextureD3D::subImageCompressed(context, layerIndex, layerArea, format, unpack,
+                                                 pixels, layerOffset));
+        ANGLE_TRY(commitRegion(context, layerIndex, layerArea));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::copyImage(const gl::Context *context,
+                                            const gl::ImageIndex &index,
+                                            const gl::Rectangle &sourceArea,
+                                            GLenum internalFormat,
+                                            gl::Framebuffer *source)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::copySubImage(const gl::Context *context,
+                                               const gl::ImageIndex &index,
+                                               const gl::Offset &destOffset,
+                                               const gl::Rectangle &sourceArea,
+                                               gl::Framebuffer *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2DArray);
+
+    gl::Extents fbSize = source->getReadColorAttachment()->getSize();
+    gl::Rectangle clippedSourceArea;
+    if (!ClipRectangle(sourceArea, gl::Rectangle(0, 0, fbSize.width, fbSize.height),
+                       &clippedSourceArea))
+    {
+        return angle::Result::Continue;
+    }
+    const gl::Offset clippedDestOffset(destOffset.x + clippedSourceArea.x - sourceArea.x,
+                                       destOffset.y + clippedSourceArea.y - sourceArea.y,
+                                       destOffset.z);
+
+    if (!canCreateRenderTargetForImage(index))
+    {
+        gl::Offset destLayerOffset(clippedDestOffset.x, clippedDestOffset.y, 0);
+        ANGLE_TRY(mImageArray[index.getLevelIndex()][clippedDestOffset.z]->copyFromFramebuffer(
+            context, destLayerOffset, clippedSourceArea, source));
+        mDirtyImages = true;
+        onStateChange(angle::SubjectMessage::DirtyBitsFlagged);
+    }
+    else
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+
+        if (isValidLevel(index.getLevelIndex()))
+        {
+            ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+            ANGLE_TRY(
+                mRenderer->copyImage2DArray(context, source, clippedSourceArea,
+                                            gl::GetUnsizedFormat(getInternalFormat(getBaseLevel())),
+                                            clippedDestOffset, mTexStorage, index.getLevelIndex()));
+        }
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::copyTexture(const gl::Context *context,
+                                              const gl::ImageIndex &index,
+                                              GLenum internalFormat,
+                                              GLenum type,
+                                              GLint sourceLevel,
+                                              bool unpackFlipY,
+                                              bool unpackPremultiplyAlpha,
+                                              bool unpackUnmultiplyAlpha,
+                                              const gl::Texture *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2DArray);
+
+    gl::TextureType sourceType = source->getType();
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat, type);
+    gl::Extents size(
+        static_cast<int>(source->getWidth(NonCubeTextureTypeToTarget(sourceType), sourceLevel)),
+        static_cast<int>(source->getHeight(NonCubeTextureTypeToTarget(sourceType), sourceLevel)),
+        static_cast<int>(source->getDepth(NonCubeTextureTypeToTarget(sourceType), sourceLevel)));
+
+    ANGLE_TRY(redefineImage(context, index.getLevelIndex(), internalFormatInfo.sizedInternalFormat,
+                            size, false));
+
+    gl::Box sourceBox(0, 0, 0, size.width, size.height, size.depth);
+    gl::Offset destOffset(0, 0, 0);
+
+    gl::ImageIndex destIndex =
+        gl::ImageIndex::Make2DArrayRange(index.getLevelIndex(), 0, size.depth);
+
+    if (!isSRGB(index.getLevelIndex()) &&
+        canCreateRenderTargetForImage(
+            gl::ImageIndex::Make2DArrayRange(index.getLevelIndex(), 0, size.depth)))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidLevel(index.getLevelIndex()));
+        ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_2DArray,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        for (int i = 0; i < size.depth; i++)
+        {
+            gl::ImageIndex currentSourceDepthIndex = gl::ImageIndex::Make2DArray(sourceLevel, i);
+            gl::ImageIndex currentDestDepthIndex =
+                gl::ImageIndex::Make2DArray(index.getLevelIndex(), i);
+            ImageD3D *sourceImage = nullptr;
+            ImageD3D *destImage   = nullptr;
+            TextureD3D *sourceD3D = GetImplAs<TextureD3D>(source);
+
+            ANGLE_TRY(getImageAndSyncFromStorage(context, currentDestDepthIndex, &destImage));
+            ANGLE_TRY(sourceD3D->getImageAndSyncFromStorage(context, currentSourceDepthIndex,
+                                                            &sourceImage));
+            gl::Box imageBox(sourceBox.x, sourceBox.y, 0, sourceBox.width, sourceBox.height, 1);
+            ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, imageBox, destOffset,
+                                           unpackFlipY, unpackPremultiplyAlpha,
+                                           unpackUnmultiplyAlpha));
+        }
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(destOffset.x, destOffset.y, destOffset.z, sourceBox.width,
+                           sourceBox.height, sourceBox.depth);
+        ANGLE_TRY(commitRegion(context, destIndex, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::copySubTexture(const gl::Context *context,
+                                                 const gl::ImageIndex &index,
+                                                 const gl::Offset &destOffset,
+                                                 GLint sourceLevel,
+                                                 const gl::Box &sourceBox,
+                                                 bool unpackFlipY,
+                                                 bool unpackPremultiplyAlpha,
+                                                 bool unpackUnmultiplyAlpha,
+                                                 const gl::Texture *source)
+{
+    ASSERT(index.getTarget() == gl::TextureTarget::_2DArray);
+
+    gl::ImageIndex destIndex = gl::ImageIndex::Make2DArrayRange(
+        static_cast<GLint>(index.getLevelIndex()), destOffset.z, sourceBox.depth - destOffset.z);
+
+    if (!isSRGB(destIndex.getLevelIndex()) && canCreateRenderTargetForImage(destIndex))
+    {
+        ANGLE_TRY(ensureRenderTarget(context));
+        ASSERT(isValidLevel(destIndex.getLevelIndex()));
+        ANGLE_TRY(updateStorageLevel(context, destIndex.getLevelIndex()));
+
+        const gl::InternalFormat &internalFormatInfo =
+            gl::GetSizedInternalFormatInfo(getInternalFormat(destIndex.getLevelIndex()));
+        ANGLE_TRY(mRenderer->copyTexture(context, source, sourceLevel, gl::TextureTarget::_2DArray,
+                                         sourceBox, internalFormatInfo.format,
+                                         internalFormatInfo.type, destOffset, mTexStorage,
+                                         index.getTarget(), index.getLevelIndex(), unpackFlipY,
+                                         unpackPremultiplyAlpha, unpackUnmultiplyAlpha));
+    }
+    else
+    {
+        for (int i = 0; i < sourceBox.depth; i++)
+        {
+            gl::ImageIndex currentSourceIndex =
+                gl::ImageIndex::Make2DArray(sourceLevel, i + sourceBox.z);
+            gl::ImageIndex currentDestIndex =
+                gl::ImageIndex::Make2DArray(index.getLevelIndex(), i + destOffset.z);
+
+            gl::Box currentLayerBox(sourceBox.x, sourceBox.y, 0, sourceBox.width, sourceBox.height,
+                                    1);
+
+            TextureD3D *sourceD3D = GetImplAs<TextureD3D>(source);
+            ImageD3D *sourceImage = nullptr;
+            ANGLE_TRY(
+                sourceD3D->getImageAndSyncFromStorage(context, currentSourceIndex, &sourceImage));
+
+            ImageD3D *destImage = nullptr;
+            ANGLE_TRY(getImageAndSyncFromStorage(context, currentDestIndex, &destImage));
+
+            ANGLE_TRY(mRenderer->copyImage(context, destImage, sourceImage, currentLayerBox,
+                                           destOffset, unpackFlipY, unpackPremultiplyAlpha,
+                                           unpackUnmultiplyAlpha));
+        }
+
+        mDirtyImages = true;
+
+        gl::Box destRegion(destOffset.x, destOffset.y, destOffset.z, sourceBox.width,
+                           sourceBox.height, sourceBox.depth);
+        ANGLE_TRY(commitRegion(context, destIndex, destRegion));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::setStorage(const gl::Context *context,
+                                             gl::TextureType type,
+                                             size_t levels,
+                                             GLenum internalFormat,
+                                             const gl::Extents &size)
+{
+    ASSERT(type == gl::TextureType::_2DArray);
+
+    deleteImages();
+
+    for (size_t level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
+    {
+        gl::Extents levelLayerSize(std::max(1, size.width >> level),
+                                   std::max(1, size.height >> level), 1);
+
+        mLayerCounts[level] = (level < levels ? size.depth : 0);
+
+        if (mLayerCounts[level] > 0)
+        {
+            // Create new images for this level
+            mImageArray[level] = new ImageD3D *[mLayerCounts[level]];
+
+            for (int layer = 0; layer < mLayerCounts[level]; layer++)
+            {
+                mImageArray[level][layer] = mRenderer->createImage();
+                mImageArray[level][layer]->redefine(gl::TextureType::_2DArray, internalFormat,
+                                                    levelLayerSize, true);
+            }
+        }
+    }
+
+    // TODO(geofflang): Verify storage creation had no errors
+    BindFlags bindFlags;
+    bindFlags.renderTarget    = IsRenderTargetUsage(mState.getUsage());
+    TexStoragePointer storage = {mRenderer->createTextureStorage2DArray(
+                                     internalFormat, bindFlags, size.width, size.height, size.depth,
+                                     static_cast<int>(levels), mState.getLabel()),
+                                 context};
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ANGLE_TRY(updateStorage(context));
+
+    mImmutable = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::bindTexImage(const gl::Context *context, egl::Surface *surface)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::releaseTexImage(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::initMipmapImages(const gl::Context *context)
+{
+    const GLuint baseLevel = mState.getEffectiveBaseLevel();
+    const GLuint maxLevel  = mState.getMipmapMaxLevel();
+    int baseWidth          = getLevelZeroWidth();
+    int baseHeight         = getLevelZeroHeight();
+    int baseDepth          = getLayerCount(getBaseLevel());
+    GLenum baseFormat      = getBaseLevelInternalFormat();
+
+    // Purge array levels baseLevel + 1 through q and reset them to represent the generated mipmap
+    // levels.
+    for (GLuint level = baseLevel + 1u; level <= maxLevel; level++)
+    {
+        ASSERT((baseWidth >> level) > 0 || (baseHeight >> level) > 0);
+        gl::Extents levelLayerSize(std::max(baseWidth >> level, 1),
+                                   std::max(baseHeight >> level, 1), baseDepth);
+        ANGLE_TRY(redefineImage(context, level, baseFormat, levelLayerSize, false));
+    }
+
+    // We should be mip-complete now so generate the storage.
+    ANGLE_TRY(initializeStorage(context, BindFlags::RenderTarget()));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::getRenderTarget(const gl::Context *context,
+                                                  const gl::ImageIndex &index,
+                                                  GLsizei samples,
+                                                  RenderTargetD3D **outRT)
+{
+    // ensure the underlying texture is created
+    ANGLE_TRY(ensureRenderTarget(context));
+    ANGLE_TRY(updateStorageLevel(context, index.getLevelIndex()));
+    return mTexStorage->getRenderTarget(context, index, samples, outRT);
+}
+
+angle::Result TextureD3D_2DArray::initializeStorage(const gl::Context *context, BindFlags bindFlags)
+{
+    // Only initialize the first time this texture is used as a render target or shader resource
+    if (mTexStorage)
+    {
+        return angle::Result::Continue;
+    }
+
+    // do not attempt to create storage for nonexistant data
+    if (!isLevelComplete(getBaseLevel()))
+    {
+        return angle::Result::Continue;
+    }
+
+    bindFlags.renderTarget |= IsRenderTargetUsage(mState.getUsage());
+
+    TexStoragePointer storage;
+    ANGLE_TRY(createCompleteStorage(context, bindFlags, &storage));
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    ASSERT(mTexStorage);
+
+    // flush image data to the storage
+    ANGLE_TRY(updateStorage(context));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::createCompleteStorage(const gl::Context *context,
+                                                        BindFlags bindFlags,
+                                                        TexStoragePointer *outStorage) const
+{
+    GLsizei width         = getLevelZeroWidth();
+    GLsizei height        = getLevelZeroHeight();
+    GLsizei depth         = getLayerCount(getBaseLevel());
+    GLenum internalFormat = getBaseLevelInternalFormat();
+
+    ASSERT(width > 0 && height > 0 && depth > 0);
+
+    // use existing storage level count, when previously specified by TexStorage*D
+    GLint levels = (mTexStorage ? mTexStorage->getLevelCount() : creationLevels(width, height, 1));
+
+    // TODO(geofflang): Verify storage creation succeeds
+    *outStorage = {mRenderer->createTextureStorage2DArray(internalFormat, bindFlags, width, height,
+                                                          depth, levels, mState.getLabel()),
+                   context};
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::setCompleteTexStorage(const gl::Context *context,
+                                                        TextureStorage *newCompleteTexStorage)
+{
+    gl::TexLevelMask copyImageMask;
+    copyImageMask.set();
+
+    ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+    mTexStorage = newCompleteTexStorage;
+    mTexStorageObserverBinding.bind(mTexStorage);
+    mDirtyImages = true;
+
+    // We do not support managed 2D array storage, as managed storage is ES2/D3D9 only
+    ASSERT(!mTexStorage->isManaged());
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DArray::updateStorage(const gl::Context *context)
+{
+    if (!mDirtyImages)
+    {
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mTexStorage != nullptr);
+    GLint storageLevels = mTexStorage->getLevelCount();
+    for (int level = 0; level < storageLevels; level++)
+    {
+        if (isLevelComplete(level))
+        {
+            ANGLE_TRY(updateStorageLevel(context, level));
+        }
+    }
+
+    mDirtyImages = false;
+    return angle::Result::Continue;
+}
+
+bool TextureD3D_2DArray::isValidLevel(int level) const
+{
+    return (mTexStorage ? (level >= 0 && level < mTexStorage->getLevelCount()) : 0);
+}
+
+bool TextureD3D_2DArray::isLevelComplete(int level) const
+{
+    ASSERT(level >= 0 && level < (int)ArraySize(mImageArray));
+
+    if (isImmutable())
+    {
+        return true;
+    }
+
+    GLsizei width  = getLevelZeroWidth();
+    GLsizei height = getLevelZeroHeight();
+
+    if (width <= 0 || height <= 0)
+    {
+        return false;
+    }
+
+    // Layers check needs to happen after the above checks, otherwise out-of-range base level may be
+    // queried.
+    GLsizei layers = getLayerCount(getBaseLevel());
+
+    if (layers <= 0)
+    {
+        return false;
+    }
+
+    if (level == static_cast<int>(getBaseLevel()))
+    {
+        return true;
+    }
+
+    if (getInternalFormat(level) != getInternalFormat(getBaseLevel()))
+    {
+        return false;
+    }
+
+    if (getWidth(level) != std::max(1, width >> level))
+    {
+        return false;
+    }
+
+    if (getHeight(level) != std::max(1, height >> level))
+    {
+        return false;
+    }
+
+    if (getLayerCount(level) != layers)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool TextureD3D_2DArray::isImageComplete(const gl::ImageIndex &index) const
+{
+    return isLevelComplete(index.getLevelIndex());
+}
+
+angle::Result TextureD3D_2DArray::updateStorageLevel(const gl::Context *context, int level)
+{
+    ASSERT(level >= 0 && level < static_cast<int>(ArraySize(mLayerCounts)));
+    ASSERT(isLevelComplete(level));
+
+    for (int layer = 0; layer < mLayerCounts[level]; layer++)
+    {
+        ASSERT(mImageArray[level] != nullptr && mImageArray[level][layer] != nullptr);
+        if (mImageArray[level][layer]->isDirty())
+        {
+            gl::ImageIndex index = gl::ImageIndex::Make2DArray(level, layer);
+            gl::Box region(0, 0, 0, getWidth(level), getHeight(level), 1);
+            ANGLE_TRY(commitRegion(context, index, region));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+void TextureD3D_2DArray::deleteImages()
+{
+    for (int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; ++level)
+    {
+        for (int layer = 0; layer < mLayerCounts[level]; ++layer)
+        {
+            delete mImageArray[level][layer];
+        }
+        delete[] mImageArray[level];
+        mImageArray[level]  = nullptr;
+        mLayerCounts[level] = 0;
+    }
+}
+
+angle::Result TextureD3D_2DArray::redefineImage(const gl::Context *context,
+                                                GLint level,
+                                                GLenum internalformat,
+                                                const gl::Extents &size,
+                                                bool forceRelease)
+{
+    // If there currently is a corresponding storage texture image, it has these parameters
+    const int storageWidth     = std::max(1, getLevelZeroWidth() >> level);
+    const int storageHeight    = std::max(1, getLevelZeroHeight() >> level);
+    const GLuint baseLevel     = getBaseLevel();
+    const GLenum storageFormat = getBaseLevelInternalFormat();
+
+    int storageDepth = 0;
+    if (baseLevel < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        storageDepth = getLayerCount(baseLevel);
+    }
+
+    // Only reallocate the layers if the size doesn't match
+    if (size.depth != mLayerCounts[level])
+    {
+        for (int layer = 0; layer < mLayerCounts[level]; layer++)
+        {
+            SafeDelete(mImageArray[level][layer]);
+        }
+        SafeDeleteArray(mImageArray[level]);
+        mLayerCounts[level] = size.depth;
+
+        if (size.depth > 0)
+        {
+            mImageArray[level] = new ImageD3D *[size.depth];
+            for (int layer = 0; layer < mLayerCounts[level]; layer++)
+            {
+                mImageArray[level][layer] = mRenderer->createImage();
+            }
+        }
+    }
+
+    if (mTexStorage)
+    {
+        const int storageLevels = mTexStorage->getLevelCount();
+
+        if ((level >= storageLevels && storageLevels != 0) || size.width != storageWidth ||
+            size.height != storageHeight || size.depth != storageDepth ||
+            internalformat != storageFormat)  // Discard mismatched storage
+        {
+            markAllImagesDirty();
+
+            gl::TexLevelMask copyImageMask;
+            copyImageMask.set();
+            copyImageMask.set(level, false);
+
+            ANGLE_TRY(releaseTexStorage(context, copyImageMask));
+        }
+    }
+
+    if (size.depth > 0)
+    {
+        for (int layer = 0; layer < mLayerCounts[level]; layer++)
+        {
+            mImageArray[level][layer]->redefine(gl::TextureType::_2DArray, internalformat,
+                                                gl::Extents(size.width, size.height, 1),
+                                                forceRelease);
+            mDirtyImages = mDirtyImages || mImageArray[level][layer]->isDirty();
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+gl::ImageIndexIterator TextureD3D_2DArray::imageIterator() const
+{
+    return gl::ImageIndexIterator::Make2DArray(0, mTexStorage->getLevelCount(), mLayerCounts);
+}
+
+gl::ImageIndex TextureD3D_2DArray::getImageIndex(GLint mip, GLint layer) const
+{
+    return gl::ImageIndex::Make2DArray(mip, layer);
+}
+
+bool TextureD3D_2DArray::isValidIndex(const gl::ImageIndex &index) const
+{
+    // Check for having a storage and the right type of index
+    if (!mTexStorage || index.getType() != gl::TextureType::_2DArray)
+    {
+        return false;
+    }
+
+    // Check the mip index
+    if (index.getLevelIndex() < 0 || index.getLevelIndex() >= mTexStorage->getLevelCount())
+    {
+        return false;
+    }
+
+    // Check the layer index
+    return (!index.hasLayer() || (index.getLayerIndex() >= 0 &&
+                                  index.getLayerIndex() < mLayerCounts[index.getLevelIndex()]));
+}
+
+void TextureD3D_2DArray::markAllImagesDirty()
+{
+    for (int dirtyLevel = 0; dirtyLevel < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; dirtyLevel++)
+    {
+        for (int dirtyLayer = 0; dirtyLayer < mLayerCounts[dirtyLevel]; dirtyLayer++)
+        {
+            mImageArray[dirtyLevel][dirtyLayer]->markDirty();
+        }
+    }
+    mDirtyImages = true;
+}
+
+TextureD3DImmutableBase::TextureD3DImmutableBase(const gl::TextureState &state,
+                                                 RendererD3D *renderer)
+    : TextureD3D(state, renderer)
+{}
+
+TextureD3DImmutableBase::~TextureD3DImmutableBase() {}
+
+ImageD3D *TextureD3DImmutableBase::getImage(const gl::ImageIndex &index) const
+{
+    return nullptr;
+}
+
+angle::Result TextureD3DImmutableBase::setImage(const gl::Context *context,
+                                                const gl::ImageIndex &index,
+                                                GLenum internalFormat,
+                                                const gl::Extents &size,
+                                                GLenum format,
+                                                GLenum type,
+                                                const gl::PixelUnpackState &unpack,
+                                                gl::Buffer *unpackBuffer,
+                                                const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3DImmutableBase::setSubImage(const gl::Context *context,
+                                                   const gl::ImageIndex &index,
+                                                   const gl::Box &area,
+                                                   GLenum format,
+                                                   GLenum type,
+                                                   const gl::PixelUnpackState &unpack,
+                                                   gl::Buffer *unpackBuffer,
+                                                   const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3DImmutableBase::setCompressedImage(const gl::Context *context,
+                                                          const gl::ImageIndex &index,
+                                                          GLenum internalFormat,
+                                                          const gl::Extents &size,
+                                                          const gl::PixelUnpackState &unpack,
+                                                          size_t imageSize,
+                                                          const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3DImmutableBase::setCompressedSubImage(const gl::Context *context,
+                                                             const gl::ImageIndex &index,
+                                                             const gl::Box &area,
+                                                             GLenum format,
+                                                             const gl::PixelUnpackState &unpack,
+                                                             size_t imageSize,
+                                                             const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3DImmutableBase::copyImage(const gl::Context *context,
+                                                 const gl::ImageIndex &index,
+                                                 const gl::Rectangle &sourceArea,
+                                                 GLenum internalFormat,
+                                                 gl::Framebuffer *source)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3DImmutableBase::copySubImage(const gl::Context *context,
+                                                    const gl::ImageIndex &index,
+                                                    const gl::Offset &destOffset,
+                                                    const gl::Rectangle &sourceArea,
+                                                    gl::Framebuffer *source)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3DImmutableBase::bindTexImage(const gl::Context *context,
+                                                    egl::Surface *surface)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3DImmutableBase::releaseTexImage(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+TextureD3D_External::TextureD3D_External(const gl::TextureState &state, RendererD3D *renderer)
+    : TextureD3DImmutableBase(state, renderer)
+{}
+
+TextureD3D_External::~TextureD3D_External() {}
+
+GLsizei TextureD3D_External::getLayerCount(int level) const
+{
+    return 1;
+}
+
+angle::Result TextureD3D_External::setImageExternal(const gl::Context *context,
+                                                    gl::TextureType type,
+                                                    egl::Stream *stream,
+                                                    const egl::Stream::GLTextureDescription &desc)
+{
+    ASSERT(type == gl::TextureType::External);
+
+    ANGLE_TRY(releaseTexStorage(context, gl::TexLevelMask()));
+
+    // If the stream is null, the external image is unbound and we release the storage
+    if (stream != nullptr)
+    {
+        mTexStorage = mRenderer->createTextureStorageExternal(stream, desc, mState.getLabel());
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_External::setEGLImageTarget(const gl::Context *context,
+                                                     gl::TextureType type,
+                                                     egl::Image *image)
+{
+    EGLImageD3D *eglImaged3d = GetImplAs<EGLImageD3D>(image);
+
+    // Pass in the RenderTargetD3D here: createTextureStorage can't generate an error.
+    RenderTargetD3D *renderTargetD3D = nullptr;
+    ANGLE_TRY(eglImaged3d->getRenderTarget(context, &renderTargetD3D));
+
+    ANGLE_TRY(releaseTexStorage(context, gl::TexLevelMask()));
+    mTexStorage =
+        mRenderer->createTextureStorageEGLImage(eglImaged3d, renderTargetD3D, mState.getLabel());
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_External::initMipmapImages(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureD3D_External::getRenderTarget(const gl::Context *context,
+                                                   const gl::ImageIndex &index,
+                                                   GLsizei samples,
+                                                   RenderTargetD3D **outRT)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+bool TextureD3D_External::isImageComplete(const gl::ImageIndex &index) const
+{
+    return (index.getLevelIndex() == 0) ? (mTexStorage != nullptr) : false;
+}
+
+angle::Result TextureD3D_External::initializeStorage(const gl::Context *context,
+                                                     BindFlags bindFlags)
+{
+    // Texture storage is created when an external image is bound
+    ASSERT(mTexStorage);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_External::createCompleteStorage(const gl::Context *context,
+                                                         BindFlags bindFlags,
+                                                         TexStoragePointer *outStorage) const
+{
+    UNREACHABLE();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_External::setCompleteTexStorage(const gl::Context *context,
+                                                         TextureStorage *newCompleteTexStorage)
+{
+    UNREACHABLE();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_External::updateStorage(const gl::Context *context)
+{
+    // Texture storage does not need to be updated since it is already loaded with the latest
+    // external image
+    ASSERT(mTexStorage);
+    return angle::Result::Continue;
+}
+
+gl::ImageIndexIterator TextureD3D_External::imageIterator() const
+{
+    return gl::ImageIndexIterator::Make2D(0, mTexStorage->getLevelCount());
+}
+
+gl::ImageIndex TextureD3D_External::getImageIndex(GLint mip, GLint /*layer*/) const
+{
+    // "layer" does not apply to 2D Textures.
+    return gl::ImageIndex::Make2D(mip);
+}
+
+bool TextureD3D_External::isValidIndex(const gl::ImageIndex &index) const
+{
+    return (mTexStorage && index.getType() == gl::TextureType::External &&
+            index.getLevelIndex() == 0);
+}
+
+void TextureD3D_External::markAllImagesDirty()
+{
+    UNREACHABLE();
+}
+
+TextureD3D_2DMultisample::TextureD3D_2DMultisample(const gl::TextureState &state,
+                                                   RendererD3D *renderer)
+    : TextureD3DImmutableBase(state, renderer)
+{}
+
+TextureD3D_2DMultisample::~TextureD3D_2DMultisample() {}
+
+angle::Result TextureD3D_2DMultisample::setStorageMultisample(const gl::Context *context,
+                                                              gl::TextureType type,
+                                                              GLsizei samples,
+                                                              GLint internalformat,
+                                                              const gl::Extents &size,
+                                                              bool fixedSampleLocations)
+{
+    ASSERT(type == gl::TextureType::_2DMultisample && size.depth == 1);
+
+    // We allocate storage immediately instead of doing it lazily like other TextureD3D classes do.
+    // This requires less state in this class.
+    TexStoragePointer storage = {mRenderer->createTextureStorage2DMultisample(
+                                     internalformat, size.width, size.height, static_cast<int>(0),
+                                     samples, fixedSampleLocations, mState.getLabel()),
+                                 context};
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    mImmutable = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisample::setEGLImageTarget(const gl::Context *context,
+                                                          gl::TextureType type,
+                                                          egl::Image *image)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisample::getRenderTarget(const gl::Context *context,
+                                                        const gl::ImageIndex &index,
+                                                        GLsizei samples,
+                                                        RenderTargetD3D **outRT)
+{
+    ASSERT(!index.hasLayer());
+
+    // ensure the underlying texture is created
+    ANGLE_TRY(ensureRenderTarget(context));
+
+    return mTexStorage->getRenderTarget(context, index, samples, outRT);
+}
+
+gl::ImageIndexIterator TextureD3D_2DMultisample::imageIterator() const
+{
+    return gl::ImageIndexIterator::Make2DMultisample();
+}
+
+gl::ImageIndex TextureD3D_2DMultisample::getImageIndex(GLint mip, GLint layer) const
+{
+    return gl::ImageIndex::Make2DMultisample();
+}
+
+bool TextureD3D_2DMultisample::isValidIndex(const gl::ImageIndex &index) const
+{
+    return (mTexStorage && index.getType() == gl::TextureType::_2DMultisample &&
+            index.getLevelIndex() == 0);
+}
+
+GLsizei TextureD3D_2DMultisample::getLayerCount(int level) const
+{
+    return 1;
+}
+
+void TextureD3D_2DMultisample::markAllImagesDirty() {}
+
+angle::Result TextureD3D_2DMultisample::initializeStorage(const gl::Context *context,
+                                                          BindFlags bindFlags)
+{
+    // initializeStorage should only be called in a situation where the texture already has storage
+    // associated with it (storage is created in setStorageMultisample).
+    ASSERT(mTexStorage);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisample::createCompleteStorage(const gl::Context *context,
+                                                              BindFlags bindFlags,
+                                                              TexStoragePointer *outStorage) const
+{
+    UNREACHABLE();
+    *outStorage = {mTexStorage, context};
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisample::setCompleteTexStorage(const gl::Context *context,
+                                                              TextureStorage *newCompleteTexStorage)
+{
+    // These textures are immutable, so this should only be ever called once.
+    ASSERT(!mTexStorage);
+    mTexStorage = newCompleteTexStorage;
+    mTexStorageObserverBinding.bind(mTexStorage);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisample::updateStorage(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisample::initMipmapImages(const gl::Context *context)
+{
+    UNREACHABLE();
+    return angle::Result::Continue;
+}
+
+bool TextureD3D_2DMultisample::isImageComplete(const gl::ImageIndex &index) const
+{
+    return true;
+}
+
+TextureD3D_2DMultisampleArray::TextureD3D_2DMultisampleArray(const gl::TextureState &state,
+                                                             RendererD3D *renderer)
+    : TextureD3DImmutableBase(state, renderer)
+{}
+
+TextureD3D_2DMultisampleArray::~TextureD3D_2DMultisampleArray() {}
+
+angle::Result TextureD3D_2DMultisampleArray::setStorageMultisample(const gl::Context *context,
+                                                                   gl::TextureType type,
+                                                                   GLsizei samples,
+                                                                   GLint internalformat,
+                                                                   const gl::Extents &size,
+                                                                   bool fixedSampleLocations)
+{
+    ASSERT(type == gl::TextureType::_2DMultisampleArray);
+
+    mLayerCount = size.depth;
+
+    TexStoragePointer storage = {
+        mRenderer->createTextureStorage2DMultisampleArray(internalformat, size.width, size.height,
+                                                          size.depth, static_cast<int>(0), samples,
+                                                          fixedSampleLocations, mState.getLabel()),
+        context};
+
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+
+    mImmutable = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisampleArray::setEGLImageTarget(const gl::Context *context,
+                                                               gl::TextureType type,
+                                                               egl::Image *image)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisampleArray::getRenderTarget(const gl::Context *context,
+                                                             const gl::ImageIndex &index,
+                                                             GLsizei samples,
+                                                             RenderTargetD3D **outRT)
+{
+    // ensure the underlying texture is created
+    ANGLE_TRY(ensureRenderTarget(context));
+
+    return mTexStorage->getRenderTarget(context, index, samples, outRT);
+}
+
+gl::ImageIndexIterator TextureD3D_2DMultisampleArray::imageIterator() const
+{
+    return gl::ImageIndexIterator::Make2DMultisampleArray(&mLayerCount);
+}
+
+gl::ImageIndex TextureD3D_2DMultisampleArray::getImageIndex(GLint mip, GLint layer) const
+{
+    return gl::ImageIndex::Make2DMultisampleArray(layer);
+}
+
+bool TextureD3D_2DMultisampleArray::isValidIndex(const gl::ImageIndex &index) const
+{
+    return (mTexStorage && index.getType() == gl::TextureType::_2DMultisampleArray &&
+            index.getLevelIndex() == 0);
+}
+
+GLsizei TextureD3D_2DMultisampleArray::getLayerCount(int level) const
+{
+    return mLayerCount;
+}
+
+void TextureD3D_2DMultisampleArray::markAllImagesDirty() {}
+
+angle::Result TextureD3D_2DMultisampleArray::initializeStorage(const gl::Context *context,
+                                                               BindFlags bindFlags)
+{
+    // initializeStorage should only be called in a situation where the texture already has storage
+    // associated with it (storage is created in setStorageMultisample).
+    ASSERT(mTexStorage);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisampleArray::createCompleteStorage(
+    const gl::Context *context,
+    BindFlags bindFlags,
+    TexStoragePointer *outStorage) const
+{
+    UNREACHABLE();
+    *outStorage = {mTexStorage, context};
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisampleArray::setCompleteTexStorage(
+    const gl::Context *context,
+    TextureStorage *newCompleteTexStorage)
+{
+    // These textures are immutable, so this should only be ever called once.
+    ASSERT(!mTexStorage);
+    mTexStorage = newCompleteTexStorage;
+    mTexStorageObserverBinding.bind(mTexStorage);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisampleArray::updateStorage(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_2DMultisampleArray::initMipmapImages(const gl::Context *context)
+{
+    UNIMPLEMENTED();
+    return angle::Result::Continue;
+}
+
+bool TextureD3D_2DMultisampleArray::isImageComplete(const gl::ImageIndex &index) const
+{
+    return true;
+}
+
+TextureD3D_Buffer::TextureD3D_Buffer(const gl::TextureState &state, RendererD3D *renderer)
+    : TextureD3D(state, renderer), mInternalFormat(GL_INVALID_ENUM)
+{}
+
+TextureD3D_Buffer::~TextureD3D_Buffer() {}
+
+angle::Result TextureD3D_Buffer::setImage(const gl::Context *context,
+                                          const gl::ImageIndex &index,
+                                          GLenum internalFormat,
+                                          const gl::Extents &size,
+                                          GLenum format,
+                                          GLenum type,
+                                          const gl::PixelUnpackState &unpack,
+                                          gl::Buffer *unpackBuffer,
+                                          const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::setSubImage(const gl::Context *context,
+                                             const gl::ImageIndex &index,
+                                             const gl::Box &area,
+                                             GLenum format,
+                                             GLenum type,
+                                             const gl::PixelUnpackState &unpack,
+                                             gl::Buffer *unpackBuffer,
+                                             const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::setCompressedImage(const gl::Context *context,
+                                                    const gl::ImageIndex &index,
+                                                    GLenum internalFormat,
+                                                    const gl::Extents &size,
+                                                    const gl::PixelUnpackState &unpack,
+                                                    size_t imageSize,
+                                                    const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::setCompressedSubImage(const gl::Context *context,
+                                                       const gl::ImageIndex &index,
+                                                       const gl::Box &area,
+                                                       GLenum format,
+                                                       const gl::PixelUnpackState &unpack,
+                                                       size_t imageSize,
+                                                       const uint8_t *pixels)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::copyImage(const gl::Context *context,
+                                           const gl::ImageIndex &index,
+                                           const gl::Rectangle &sourceArea,
+                                           GLenum internalFormat,
+                                           gl::Framebuffer *source)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::copySubImage(const gl::Context *context,
+                                              const gl::ImageIndex &index,
+                                              const gl::Offset &destOffset,
+                                              const gl::Rectangle &sourceArea,
+                                              gl::Framebuffer *source)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::bindTexImage(const gl::Context *context, egl::Surface *surface)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::releaseTexImage(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+GLsizei TextureD3D_Buffer::getLayerCount(int level) const
+{
+    return 1;
+}
+
+angle::Result TextureD3D_Buffer::initMipmapImages(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Stop;
+}
+
+bool TextureD3D_Buffer::isImageComplete(const gl::ImageIndex &index) const
+{
+    return (index.getLevelIndex() == 0) ? (mTexStorage != nullptr) : false;
+}
+
+angle::Result TextureD3D_Buffer::initializeStorage(const gl::Context *context, BindFlags bindFlags)
+{
+    ASSERT(mTexStorage);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::createCompleteStorage(const gl::Context *context,
+                                                       BindFlags bindFlags,
+                                                       TexStoragePointer *outStorage) const
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::setCompleteTexStorage(const gl::Context *context,
+                                                       TextureStorage *newCompleteTexStorage)
+{
+    ANGLE_TRY(releaseTexStorage(context, gl::TexLevelMask()));
+    mTexStorage = newCompleteTexStorage;
+    mTexStorageObserverBinding.bind(mTexStorage);
+
+    mDirtyImages = true;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::updateStorage(const gl::Context *context)
+{
+    ASSERT(mTexStorage);
+    return angle::Result::Continue;
+}
+
+gl::ImageIndexIterator TextureD3D_Buffer::imageIterator() const
+{
+    return gl::ImageIndexIterator::MakeBuffer();
+}
+
+gl::ImageIndex TextureD3D_Buffer::getImageIndex(GLint mip, GLint layer) const
+{
+    return gl::ImageIndex::MakeBuffer();
+}
+
+bool TextureD3D_Buffer::isValidIndex(const gl::ImageIndex &index) const
+{
+    return (mTexStorage && index.getType() == gl::TextureType::Buffer &&
+            index.getLevelIndex() == 0);
+}
+
+void TextureD3D_Buffer::markAllImagesDirty()
+{
+    UNREACHABLE();
+}
+
+angle::Result TextureD3D_Buffer::setEGLImageTarget(const gl::Context *context,
+                                                   gl::TextureType type,
+                                                   egl::Image *image)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::getRenderTarget(const gl::Context *context,
+                                                 const gl::ImageIndex &index,
+                                                 GLsizei samples,
+                                                 RenderTargetD3D **outRT)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<ContextD3D>(context));
+    return angle::Result::Continue;
+}
+
+ImageD3D *TextureD3D_Buffer::getImage(const gl::ImageIndex &index) const
+{
+    return nullptr;
+}
+
+angle::Result TextureD3D_Buffer::setBuffer(const gl::Context *context, GLenum internalFormat)
+{
+    ASSERT(mState.getType() == gl::TextureType::Buffer);
+    TexStoragePointer storage;
+    storage.reset(mRenderer->createTextureStorageBuffer(mState.getBuffer(), internalFormat,
+                                                        mState.getLabel()));
+    ANGLE_TRY(setCompleteTexStorage(context, storage.get()));
+    storage.release();
+    mInternalFormat = internalFormat;
+    mImmutable      = false;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureD3D_Buffer::syncState(const gl::Context *context,
+                                           const gl::Texture::DirtyBits &dirtyBits,
+                                           gl::Command source)
+{
+    ASSERT(mState.getType() == gl::TextureType::Buffer);
+    if (dirtyBits.test(gl::Texture::DirtyBitType::DIRTY_BIT_IMPLEMENTATION) &&
+        mState.getBuffer().get() != nullptr)
+    {
+        // buffer data have been changed. Buffer data may out of sync
+        // give up the old TexStorage, create a new one.
+        // this may not efficient, since staging buffer may be patially updated.
+        ANGLE_TRY(setBuffer(context, mInternalFormat));
+    }
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureD3D.h
new file mode 100644
index 0000000000..a87806b3e7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureD3D.h
@@ -0,0 +1,1050 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureD3D.h: Implementations of the Texture interfaces shared betweeen the D3D backends.
+
+#ifndef LIBANGLE_RENDERER_D3D_TEXTURED3D_H_
+#define LIBANGLE_RENDERER_D3D_TEXTURED3D_H_
+
+#include "common/Color.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Stream.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/TextureImpl.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/TextureStorage.h"
+
+namespace gl
+{
+class Framebuffer;
+}
+
+namespace rx
+{
+class EGLImageD3D;
+class ImageD3D;
+class RendererD3D;
+class RenderTargetD3D;
+class TextureStorage;
+
+class TextureD3D : public TextureImpl, public angle::ObserverInterface
+{
+  public:
+    TextureD3D(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D() override;
+
+    void onDestroy(const gl::Context *context) override;
+
+    angle::Result getNativeTexture(const gl::Context *context, TextureStorage **outStorage);
+
+    bool hasDirtyImages() const { return mDirtyImages; }
+    void resetDirty() { mDirtyImages = false; }
+
+    virtual ImageD3D *getImage(const gl::ImageIndex &index) const = 0;
+    virtual GLsizei getLayerCount(int level) const                = 0;
+
+    angle::Result getImageAndSyncFromStorage(const gl::Context *context,
+                                             const gl::ImageIndex &index,
+                                             ImageD3D **outImage);
+
+    GLint getBaseLevelWidth() const;
+    GLint getBaseLevelHeight() const;
+    GLenum getBaseLevelInternalFormat() const;
+
+    angle::Result setStorage(const gl::Context *context,
+                             gl::TextureType type,
+                             size_t levels,
+                             GLenum internalFormat,
+                             const gl::Extents &size) override;
+
+    angle::Result setStorageMultisample(const gl::Context *context,
+                                        gl::TextureType type,
+                                        GLsizei samples,
+                                        GLint internalformat,
+                                        const gl::Extents &size,
+                                        bool fixedSampleLocations) override;
+
+    angle::Result setBuffer(const gl::Context *context, GLenum internalFormat) override;
+
+    angle::Result setStorageExternalMemory(const gl::Context *context,
+                                           gl::TextureType type,
+                                           size_t levels,
+                                           GLenum internalFormat,
+                                           const gl::Extents &size,
+                                           gl::MemoryObject *memoryObject,
+                                           GLuint64 offset,
+                                           GLbitfield createFlags,
+                                           GLbitfield usageFlags,
+                                           const void *imageCreateInfoPNext) override;
+
+    bool isImmutable() const { return mImmutable; }
+
+    virtual angle::Result getRenderTarget(const gl::Context *context,
+                                          const gl::ImageIndex &index,
+                                          GLsizei samples,
+                                          RenderTargetD3D **outRT) = 0;
+
+    // Returns an iterator over all "Images" for this particular Texture.
+    virtual gl::ImageIndexIterator imageIterator() const = 0;
+
+    // Returns an ImageIndex for a particular "Image". 3D Textures do not have images for
+    // slices of their depth texures, so 3D textures ignore the layer parameter.
+    virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const = 0;
+    virtual bool isValidIndex(const gl::ImageIndex &index) const       = 0;
+
+    angle::Result setImageExternal(const gl::Context *context,
+                                   gl::TextureType type,
+                                   egl::Stream *stream,
+                                   const egl::Stream::GLTextureDescription &desc) override;
+    angle::Result generateMipmap(const gl::Context *context) override;
+    bool hasStorage() const { return mTexStorage != nullptr; }
+    TextureStorage *getStorage();
+    ImageD3D *getBaseLevelImage() const;
+
+    angle::Result getAttachmentRenderTarget(const gl::Context *context,
+                                            GLenum binding,
+                                            const gl::ImageIndex &imageIndex,
+                                            GLsizei samples,
+                                            FramebufferAttachmentRenderTarget **rtOut) override;
+
+    angle::Result setBaseLevel(const gl::Context *context, GLuint baseLevel) override;
+
+    angle::Result syncState(const gl::Context *context,
+                            const gl::Texture::DirtyBits &dirtyBits,
+                            gl::Command source) override;
+
+    angle::Result initializeContents(const gl::Context *context,
+                                     GLenum binding,
+                                     const gl::ImageIndex &imageIndex) override;
+
+    GLsizei getRenderToTextureSamples();
+
+    angle::Result ensureUnorderedAccess(const gl::Context *context);
+    angle::Result onLabelUpdate(const gl::Context *context) override;
+
+    // ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+  protected:
+    angle::Result setImageImpl(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               GLenum type,
+                               const gl::PixelUnpackState &unpack,
+                               gl::Buffer *unpackBuffer,
+                               const uint8_t *pixels,
+                               ptrdiff_t layerOffset);
+    angle::Result subImage(const gl::Context *context,
+                           const gl::ImageIndex &index,
+                           const gl::Box &area,
+                           GLenum format,
+                           GLenum type,
+                           const gl::PixelUnpackState &unpack,
+                           gl::Buffer *unpackBuffer,
+                           const uint8_t *pixels,
+                           ptrdiff_t layerOffset);
+    angle::Result setCompressedImageImpl(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         const gl::PixelUnpackState &unpack,
+                                         const uint8_t *pixels,
+                                         ptrdiff_t layerOffset);
+    angle::Result subImageCompressed(const gl::Context *context,
+                                     const gl::ImageIndex &index,
+                                     const gl::Box &area,
+                                     GLenum format,
+                                     const gl::PixelUnpackState &unpack,
+                                     const uint8_t *pixels,
+                                     ptrdiff_t layerOffset);
+    bool isFastUnpackable(const gl::Buffer *unpackBuffer,
+                          const gl::PixelUnpackState &unpack,
+                          GLenum sizedInternalFormat);
+    angle::Result fastUnpackPixels(const gl::Context *context,
+                                   const gl::PixelUnpackState &unpack,
+                                   gl::Buffer *unpackBuffer,
+                                   const uint8_t *pixels,
+                                   const gl::Box &destArea,
+                                   GLenum sizedInternalFormat,
+                                   GLenum type,
+                                   RenderTargetD3D *destRenderTarget);
+
+    GLint getLevelZeroWidth() const;
+    GLint getLevelZeroHeight() const;
+    virtual GLint getLevelZeroDepth() const;
+
+    GLint creationLevels(GLsizei width, GLsizei height, GLsizei depth) const;
+    virtual angle::Result initMipmapImages(const gl::Context *context) = 0;
+    bool isBaseImageZeroSize() const;
+    virtual bool isImageComplete(const gl::ImageIndex &index) const = 0;
+
+    bool canCreateRenderTargetForImage(const gl::ImageIndex &index) const;
+    angle::Result ensureBindFlags(const gl::Context *context, BindFlags bindFlags);
+    angle::Result ensureRenderTarget(const gl::Context *context);
+
+    virtual angle::Result createCompleteStorage(const gl::Context *context,
+                                                BindFlags bindFlags,
+                                                TexStoragePointer *outTexStorage) const = 0;
+    virtual angle::Result setCompleteTexStorage(const gl::Context *context,
+                                                TextureStorage *newCompleteTexStorage)  = 0;
+    angle::Result commitRegion(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               const gl::Box &region);
+
+    angle::Result releaseTexStorage(const gl::Context *context,
+                                    const gl::TexLevelMask &copyStorageToImagesMask);
+
+    GLuint getBaseLevel() const { return mBaseLevel; }
+
+    virtual void markAllImagesDirty() = 0;
+
+    GLint getBaseLevelDepth() const;
+
+    RendererD3D *mRenderer;
+
+    bool mDirtyImages;
+
+    bool mImmutable;
+    TextureStorage *mTexStorage;
+    angle::ObserverBinding mTexStorageObserverBinding;
+
+  private:
+    virtual angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) = 0;
+
+    virtual angle::Result updateStorage(const gl::Context *context) = 0;
+
+    bool couldUseSetData() const;
+    bool shouldUseSetData(const ImageD3D *image) const;
+
+    angle::Result generateMipmapUsingImages(const gl::Context *context, const GLuint maxLevel);
+
+    GLuint mBaseLevel;
+};
+
+class TextureD3D_2D : public TextureD3D
+{
+  public:
+    TextureD3D_2D(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_2D() override;
+
+    void onDestroy(const gl::Context *context) override;
+
+    ImageD3D *getImage(int level, int layer) const;
+    ImageD3D *getImage(const gl::ImageIndex &index) const override;
+    GLsizei getLayerCount(int level) const override;
+
+    GLsizei getWidth(GLint level) const;
+    GLsizei getHeight(GLint level) const;
+    GLenum getInternalFormat(GLint level) const;
+    bool isDepth(GLint level) const;
+    bool isSRGB(GLint level) const;
+
+    angle::Result setImage(const gl::Context *context,
+                           const gl::ImageIndex &index,
+                           GLenum internalFormat,
+                           const gl::Extents &size,
+                           GLenum format,
+                           GLenum type,
+                           const gl::PixelUnpackState &unpack,
+                           gl::Buffer *unpackBuffer,
+                           const uint8_t *pixels) override;
+    angle::Result setSubImage(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              const gl::Box &area,
+                              GLenum format,
+                              GLenum type,
+                              const gl::PixelUnpackState &unpack,
+                              gl::Buffer *unpackBuffer,
+                              const uint8_t *pixels) override;
+
+    angle::Result setCompressedImage(const gl::Context *context,
+                                     const gl::ImageIndex &index,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size,
+                                     const gl::PixelUnpackState &unpack,
+                                     size_t imageSize,
+                                     const uint8_t *pixels) override;
+    angle::Result setCompressedSubImage(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        const gl::Box &area,
+                                        GLenum format,
+                                        const gl::PixelUnpackState &unpack,
+                                        size_t imageSize,
+                                        const uint8_t *pixels) override;
+
+    angle::Result copyImage(const gl::Context *context,
+                            const gl::ImageIndex &index,
+                            const gl::Rectangle &sourceArea,
+                            GLenum internalFormat,
+                            gl::Framebuffer *source) override;
+    angle::Result copySubImage(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               const gl::Offset &destOffset,
+                               const gl::Rectangle &sourceArea,
+                               gl::Framebuffer *source) override;
+
+    angle::Result copyTexture(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              GLenum internalFormat,
+                              GLenum type,
+                              GLint sourceLevel,
+                              bool unpackFlipY,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha,
+                              const gl::Texture *source) override;
+    angle::Result copySubTexture(const gl::Context *context,
+                                 const gl::ImageIndex &index,
+                                 const gl::Offset &destOffset,
+                                 GLint sourceLevel,
+                                 const gl::Box &sourceBox,
+                                 bool unpackFlipY,
+                                 bool unpackPremultiplyAlpha,
+                                 bool unpackUnmultiplyAlpha,
+                                 const gl::Texture *source) override;
+    angle::Result copyCompressedTexture(const gl::Context *context,
+                                        const gl::Texture *source) override;
+
+    angle::Result setStorage(const gl::Context *context,
+                             gl::TextureType type,
+                             size_t levels,
+                             GLenum internalFormat,
+                             const gl::Extents &size) override;
+
+    angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) override;
+    angle::Result releaseTexImage(const gl::Context *context) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outTexStorage) const override;
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isValidLevel(int level) const;
+    bool isLevelComplete(int level) const;
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+
+    angle::Result updateStorageLevel(const gl::Context *context, int level);
+
+    angle::Result redefineImage(const gl::Context *context,
+                                size_t level,
+                                GLenum internalformat,
+                                const gl::Extents &size,
+                                bool forceRelease);
+
+    bool mEGLImageTarget;
+    gl::TexLevelArray<std::unique_ptr<ImageD3D>> mImageArray;
+};
+
+class TextureD3D_Cube : public TextureD3D
+{
+  public:
+    TextureD3D_Cube(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_Cube() override;
+
+    void onDestroy(const gl::Context *context) override;
+
+    ImageD3D *getImage(int level, int layer) const;
+    ImageD3D *getImage(const gl::ImageIndex &index) const override;
+    GLsizei getLayerCount(int level) const override;
+
+    GLenum getInternalFormat(GLint level, GLint layer) const;
+    bool isDepth(GLint level, GLint layer) const;
+    bool isSRGB(GLint level, GLint layer) const;
+
+    angle::Result setImage(const gl::Context *context,
+                           const gl::ImageIndex &index,
+                           GLenum internalFormat,
+                           const gl::Extents &size,
+                           GLenum format,
+                           GLenum type,
+                           const gl::PixelUnpackState &unpack,
+                           gl::Buffer *unpackBuffer,
+                           const uint8_t *pixels) override;
+    angle::Result setSubImage(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              const gl::Box &area,
+                              GLenum format,
+                              GLenum type,
+                              const gl::PixelUnpackState &unpack,
+                              gl::Buffer *unpackBuffer,
+                              const uint8_t *pixels) override;
+
+    angle::Result setCompressedImage(const gl::Context *context,
+                                     const gl::ImageIndex &index,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size,
+                                     const gl::PixelUnpackState &unpack,
+                                     size_t imageSize,
+                                     const uint8_t *pixels) override;
+    angle::Result setCompressedSubImage(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        const gl::Box &area,
+                                        GLenum format,
+                                        const gl::PixelUnpackState &unpack,
+                                        size_t imageSize,
+                                        const uint8_t *pixels) override;
+
+    angle::Result copyImage(const gl::Context *context,
+                            const gl::ImageIndex &index,
+                            const gl::Rectangle &sourceArea,
+                            GLenum internalFormat,
+                            gl::Framebuffer *source) override;
+    angle::Result copySubImage(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               const gl::Offset &destOffset,
+                               const gl::Rectangle &sourceArea,
+                               gl::Framebuffer *source) override;
+
+    angle::Result copyTexture(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              GLenum internalFormat,
+                              GLenum type,
+                              GLint sourceLevel,
+                              bool unpackFlipY,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha,
+                              const gl::Texture *source) override;
+    angle::Result copySubTexture(const gl::Context *context,
+                                 const gl::ImageIndex &index,
+                                 const gl::Offset &destOffset,
+                                 GLint sourceLevel,
+                                 const gl::Box &sourceBox,
+                                 bool unpackFlipY,
+                                 bool unpackPremultiplyAlpha,
+                                 bool unpackUnmultiplyAlpha,
+                                 const gl::Texture *source) override;
+
+    angle::Result setStorage(const gl::Context *context,
+                             gl::TextureType type,
+                             size_t levels,
+                             GLenum internalFormat,
+                             const gl::Extents &size) override;
+
+    angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) override;
+    angle::Result releaseTexImage(const gl::Context *context) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outTexStorage) const override;
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isValidFaceLevel(int faceIndex, int level) const;
+    bool isFaceLevelComplete(int faceIndex, int level) const;
+    bool isCubeComplete() const;
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+    angle::Result updateStorageFaceLevel(const gl::Context *context, int faceIndex, int level);
+
+    angle::Result redefineImage(const gl::Context *context,
+                                int faceIndex,
+                                GLint level,
+                                GLenum internalformat,
+                                const gl::Extents &size,
+                                bool forceRelease);
+
+    std::array<gl::TexLevelArray<std::unique_ptr<ImageD3D>>, 6> mImageArray;
+};
+
+class TextureD3D_3D : public TextureD3D
+{
+  public:
+    TextureD3D_3D(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_3D() override;
+
+    void onDestroy(const gl::Context *context) override;
+
+    ImageD3D *getImage(int level, int layer) const;
+    ImageD3D *getImage(const gl::ImageIndex &index) const override;
+    GLsizei getLayerCount(int level) const override;
+
+    GLsizei getWidth(GLint level) const;
+    GLsizei getHeight(GLint level) const;
+    GLsizei getDepth(GLint level) const;
+    GLenum getInternalFormat(GLint level) const;
+    bool isDepth(GLint level) const;
+    bool isSRGB(GLint level) const;
+
+    angle::Result setImage(const gl::Context *context,
+                           const gl::ImageIndex &index,
+                           GLenum internalFormat,
+                           const gl::Extents &size,
+                           GLenum format,
+                           GLenum type,
+                           const gl::PixelUnpackState &unpack,
+                           gl::Buffer *unpackBuffer,
+                           const uint8_t *pixels) override;
+    angle::Result setSubImage(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              const gl::Box &area,
+                              GLenum format,
+                              GLenum type,
+                              const gl::PixelUnpackState &unpack,
+                              gl::Buffer *unpackBuffer,
+                              const uint8_t *pixels) override;
+
+    angle::Result setCompressedImage(const gl::Context *context,
+                                     const gl::ImageIndex &index,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size,
+                                     const gl::PixelUnpackState &unpack,
+                                     size_t imageSize,
+                                     const uint8_t *pixels) override;
+    angle::Result setCompressedSubImage(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        const gl::Box &area,
+                                        GLenum format,
+                                        const gl::PixelUnpackState &unpack,
+                                        size_t imageSize,
+                                        const uint8_t *pixels) override;
+
+    angle::Result copyImage(const gl::Context *context,
+                            const gl::ImageIndex &index,
+                            const gl::Rectangle &sourceArea,
+                            GLenum internalFormat,
+                            gl::Framebuffer *source) override;
+    angle::Result copySubImage(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               const gl::Offset &destOffset,
+                               const gl::Rectangle &sourceArea,
+                               gl::Framebuffer *source) override;
+
+    angle::Result copyTexture(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              GLenum internalFormat,
+                              GLenum type,
+                              GLint sourceLevel,
+                              bool unpackFlipY,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha,
+                              const gl::Texture *source) override;
+    angle::Result copySubTexture(const gl::Context *context,
+                                 const gl::ImageIndex &index,
+                                 const gl::Offset &destOffset,
+                                 GLint sourceLevel,
+                                 const gl::Box &sourceBox,
+                                 bool unpackFlipY,
+                                 bool unpackPremultiplyAlpha,
+                                 bool unpackUnmultiplyAlpha,
+                                 const gl::Texture *source) override;
+
+    angle::Result setStorage(const gl::Context *context,
+                             gl::TextureType type,
+                             size_t levels,
+                             GLenum internalFormat,
+                             const gl::Extents &size) override;
+
+    angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) override;
+    angle::Result releaseTexImage(const gl::Context *context) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+    GLint getLevelZeroDepth() const override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outStorage) const override;
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isValidLevel(int level) const;
+    bool isLevelComplete(int level) const;
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+    angle::Result updateStorageLevel(const gl::Context *context, int level);
+
+    angle::Result redefineImage(const gl::Context *context,
+                                GLint level,
+                                GLenum internalformat,
+                                const gl::Extents &size,
+                                bool forceRelease);
+
+    gl::TexLevelArray<std::unique_ptr<ImageD3D>> mImageArray;
+};
+
+class TextureD3D_2DArray : public TextureD3D
+{
+  public:
+    TextureD3D_2DArray(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_2DArray() override;
+
+    void onDestroy(const gl::Context *context) override;
+
+    virtual ImageD3D *getImage(int level, int layer) const;
+    ImageD3D *getImage(const gl::ImageIndex &index) const override;
+    GLsizei getLayerCount(int level) const override;
+
+    GLsizei getWidth(GLint level) const;
+    GLsizei getHeight(GLint level) const;
+    GLenum getInternalFormat(GLint level) const;
+    bool isDepth(GLint level) const;
+
+    angle::Result setImage(const gl::Context *context,
+                           const gl::ImageIndex &index,
+                           GLenum internalFormat,
+                           const gl::Extents &size,
+                           GLenum format,
+                           GLenum type,
+                           const gl::PixelUnpackState &unpack,
+                           gl::Buffer *unpackBuffer,
+                           const uint8_t *pixels) override;
+    angle::Result setSubImage(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              const gl::Box &area,
+                              GLenum format,
+                              GLenum type,
+                              const gl::PixelUnpackState &unpack,
+                              gl::Buffer *unpackBuffer,
+                              const uint8_t *pixels) override;
+
+    angle::Result setCompressedImage(const gl::Context *context,
+                                     const gl::ImageIndex &index,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size,
+                                     const gl::PixelUnpackState &unpack,
+                                     size_t imageSize,
+                                     const uint8_t *pixels) override;
+    angle::Result setCompressedSubImage(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        const gl::Box &area,
+                                        GLenum format,
+                                        const gl::PixelUnpackState &unpack,
+                                        size_t imageSize,
+                                        const uint8_t *pixels) override;
+
+    angle::Result copyImage(const gl::Context *context,
+                            const gl::ImageIndex &index,
+                            const gl::Rectangle &sourceArea,
+                            GLenum internalFormat,
+                            gl::Framebuffer *source) override;
+    angle::Result copySubImage(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               const gl::Offset &destOffset,
+                               const gl::Rectangle &sourceArea,
+                               gl::Framebuffer *source) override;
+
+    angle::Result copyTexture(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              GLenum internalFormat,
+                              GLenum type,
+                              GLint sourceLevel,
+                              bool unpackFlipY,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha,
+                              const gl::Texture *source) override;
+    angle::Result copySubTexture(const gl::Context *context,
+                                 const gl::ImageIndex &index,
+                                 const gl::Offset &destOffset,
+                                 GLint sourceLevel,
+                                 const gl::Box &sourceBox,
+                                 bool unpackFlipY,
+                                 bool unpackPremultiplyAlpha,
+                                 bool unpackUnmultiplyAlpha,
+                                 const gl::Texture *source) override;
+
+    angle::Result setStorage(const gl::Context *context,
+                             gl::TextureType type,
+                             size_t levels,
+                             GLenum internalFormat,
+                             const gl::Extents &size) override;
+
+    angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) override;
+    angle::Result releaseTexImage(const gl::Context *context) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outStorage) const override;
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isValidLevel(int level) const;
+    bool isLevelComplete(int level) const;
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+    bool isSRGB(GLint level) const;
+    angle::Result updateStorageLevel(const gl::Context *context, int level);
+
+    void deleteImages();
+    angle::Result redefineImage(const gl::Context *context,
+                                GLint level,
+                                GLenum internalformat,
+                                const gl::Extents &size,
+                                bool forceRelease);
+
+    // Storing images as an array of single depth textures since D3D11 treats each array level of a
+    // Texture2D object as a separate subresource.  Each layer would have to be looped over
+    // to update all the texture layers since they cannot all be updated at once and it makes the
+    // most sense for the Image class to not have to worry about layer subresource as well as mip
+    // subresources.
+    GLsizei mLayerCounts[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
+    ImageD3D **mImageArray[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
+};
+
+// Base class for immutable textures. These don't support manipulation of individual texture images.
+class TextureD3DImmutableBase : public TextureD3D
+{
+  public:
+    TextureD3DImmutableBase(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3DImmutableBase() override;
+
+    ImageD3D *getImage(const gl::ImageIndex &index) const override;
+    angle::Result setImage(const gl::Context *context,
+                           const gl::ImageIndex &index,
+                           GLenum internalFormat,
+                           const gl::Extents &size,
+                           GLenum format,
+                           GLenum type,
+                           const gl::PixelUnpackState &unpack,
+                           gl::Buffer *unpackBuffer,
+                           const uint8_t *pixels) override;
+    angle::Result setSubImage(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              const gl::Box &area,
+                              GLenum format,
+                              GLenum type,
+                              const gl::PixelUnpackState &unpack,
+                              gl::Buffer *unpackBuffer,
+                              const uint8_t *pixels) override;
+
+    angle::Result setCompressedImage(const gl::Context *context,
+                                     const gl::ImageIndex &index,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size,
+                                     const gl::PixelUnpackState &unpack,
+                                     size_t imageSize,
+                                     const uint8_t *pixels) override;
+    angle::Result setCompressedSubImage(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        const gl::Box &area,
+                                        GLenum format,
+                                        const gl::PixelUnpackState &unpack,
+                                        size_t imageSize,
+                                        const uint8_t *pixels) override;
+
+    angle::Result copyImage(const gl::Context *context,
+                            const gl::ImageIndex &index,
+                            const gl::Rectangle &sourceArea,
+                            GLenum internalFormat,
+                            gl::Framebuffer *source) override;
+    angle::Result copySubImage(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               const gl::Offset &destOffset,
+                               const gl::Rectangle &sourceArea,
+                               gl::Framebuffer *source) override;
+
+    angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) override;
+    angle::Result releaseTexImage(const gl::Context *context) override;
+};
+
+class TextureD3D_External : public TextureD3DImmutableBase
+{
+  public:
+    TextureD3D_External(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_External() override;
+
+    GLsizei getLayerCount(int level) const override;
+
+    angle::Result setImageExternal(const gl::Context *context,
+                                   gl::TextureType type,
+                                   egl::Stream *stream,
+                                   const egl::Stream::GLTextureDescription &desc) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outTexStorage) const override;
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+};
+
+class TextureD3D_2DMultisample : public TextureD3DImmutableBase
+{
+  public:
+    TextureD3D_2DMultisample(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_2DMultisample() override;
+
+    angle::Result setStorageMultisample(const gl::Context *context,
+                                        gl::TextureType type,
+                                        GLsizei samples,
+                                        GLint internalformat,
+                                        const gl::Extents &size,
+                                        bool fixedSampleLocations) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+    GLsizei getLayerCount(int level) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outTexStorage) const override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+};
+
+class TextureD3D_2DMultisampleArray : public TextureD3DImmutableBase
+{
+  public:
+    TextureD3D_2DMultisampleArray(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_2DMultisampleArray() override;
+
+    angle::Result setStorageMultisample(const gl::Context *context,
+                                        gl::TextureType type,
+                                        GLsizei samples,
+                                        GLint internalformat,
+                                        const gl::Extents &size,
+                                        bool fixedSampleLocations) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+    GLsizei getLayerCount(int level) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outTexStorage) const override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+
+    GLsizei mLayerCount;
+};
+
+class TextureD3D_Buffer : public TextureD3D
+{
+  public:
+    TextureD3D_Buffer(const gl::TextureState &data, RendererD3D *renderer);
+    ~TextureD3D_Buffer() override;
+
+    ImageD3D *getImage(const gl::ImageIndex &index) const override;
+
+    angle::Result setBuffer(const gl::Context *context, GLenum internalFormat) override;
+
+    angle::Result setImage(const gl::Context *context,
+                           const gl::ImageIndex &index,
+                           GLenum internalFormat,
+                           const gl::Extents &size,
+                           GLenum format,
+                           GLenum type,
+                           const gl::PixelUnpackState &unpack,
+                           gl::Buffer *unpackBuffer,
+                           const uint8_t *pixels) override;
+    angle::Result setSubImage(const gl::Context *context,
+                              const gl::ImageIndex &index,
+                              const gl::Box &area,
+                              GLenum format,
+                              GLenum type,
+                              const gl::PixelUnpackState &unpack,
+                              gl::Buffer *unpackBuffer,
+                              const uint8_t *pixels) override;
+
+    angle::Result setCompressedImage(const gl::Context *context,
+                                     const gl::ImageIndex &index,
+                                     GLenum internalFormat,
+                                     const gl::Extents &size,
+                                     const gl::PixelUnpackState &unpack,
+                                     size_t imageSize,
+                                     const uint8_t *pixels) override;
+    angle::Result setCompressedSubImage(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        const gl::Box &area,
+                                        GLenum format,
+                                        const gl::PixelUnpackState &unpack,
+                                        size_t imageSize,
+                                        const uint8_t *pixels) override;
+
+    angle::Result copyImage(const gl::Context *context,
+                            const gl::ImageIndex &index,
+                            const gl::Rectangle &sourceArea,
+                            GLenum internalFormat,
+                            gl::Framebuffer *source) override;
+    angle::Result copySubImage(const gl::Context *context,
+                               const gl::ImageIndex &index,
+                               const gl::Offset &destOffset,
+                               const gl::Rectangle &sourceArea,
+                               gl::Framebuffer *source) override;
+
+    angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) override;
+    angle::Result releaseTexImage(const gl::Context *context) override;
+
+    angle::Result setEGLImageTarget(const gl::Context *context,
+                                    gl::TextureType type,
+                                    egl::Image *image) override;
+
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    GLsizei getLayerCount(int level) const override;
+
+    angle::Result syncState(const gl::Context *context,
+                            const gl::Texture::DirtyBits &dirtyBits,
+                            gl::Command source) override;
+
+    gl::ImageIndexIterator imageIterator() const override;
+    gl::ImageIndex getImageIndex(GLint mip, GLint layer) const override;
+    bool isValidIndex(const gl::ImageIndex &index) const override;
+
+  protected:
+    void markAllImagesDirty() override;
+
+  private:
+    angle::Result initializeStorage(const gl::Context *context, BindFlags bindFlags) override;
+    angle::Result createCompleteStorage(const gl::Context *context,
+                                        BindFlags bindFlags,
+                                        TexStoragePointer *outTexStorage) const override;
+    angle::Result setCompleteTexStorage(const gl::Context *context,
+                                        TextureStorage *newCompleteTexStorage) override;
+
+    angle::Result updateStorage(const gl::Context *context) override;
+    angle::Result initMipmapImages(const gl::Context *context) override;
+
+    bool isImageComplete(const gl::ImageIndex &index) const override;
+
+    GLenum mInternalFormat;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_TEXTURED3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureStorage.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureStorage.h
new file mode 100644
index 0000000000..fc073f8b5a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/TextureStorage.h
@@ -0,0 +1,135 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureStorage.h: Defines the abstract rx::TextureStorage class.
+
+#ifndef LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
+#define LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
+
+#include "common/debug.h"
+#include "libANGLE/angletypes.h"
+
+#include <GLES2/gl2.h>
+#include <stdint.h>
+
+namespace gl
+{
+class Context;
+class ImageIndex;
+struct Box;
+struct PixelUnpackState;
+}  // namespace gl
+
+namespace angle
+{
+class Subject;
+}  // namespace angle
+
+namespace rx
+{
+class SwapChainD3D;
+class RenderTargetD3D;
+class ImageD3D;
+
+// Dirty bit messages from TextureStorage
+constexpr size_t kTextureStorageObserverMessageIndex = 0;
+
+class TextureStorage : public angle::Subject
+{
+  public:
+    TextureStorage(const std::string &label) : mKHRDebugLabel(label) {}
+    ~TextureStorage() override {}
+
+    virtual angle::Result onDestroy(const gl::Context *context);
+
+    virtual int getTopLevel() const                   = 0;
+    virtual bool isRenderTarget() const               = 0;
+    virtual bool isUnorderedAccess() const            = 0;
+    virtual bool isManaged() const                    = 0;
+    virtual bool supportsNativeMipmapFunction() const = 0;
+    virtual int getLevelCount() const                 = 0;
+
+    virtual angle::Result findRenderTarget(const gl::Context *context,
+                                           const gl::ImageIndex &index,
+                                           GLsizei samples,
+                                           RenderTargetD3D **outRT) const = 0;
+    virtual angle::Result getRenderTarget(const gl::Context *context,
+                                          const gl::ImageIndex &index,
+                                          GLsizei samples,
+                                          RenderTargetD3D **outRT)        = 0;
+    virtual angle::Result generateMipmap(const gl::Context *context,
+                                         const gl::ImageIndex &sourceIndex,
+                                         const gl::ImageIndex &destIndex) = 0;
+
+    virtual angle::Result copyToStorage(const gl::Context *context,
+                                        TextureStorage *destStorage) = 0;
+    virtual angle::Result setData(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  ImageD3D *image,
+                                  const gl::Box *destBox,
+                                  GLenum type,
+                                  const gl::PixelUnpackState &unpack,
+                                  const uint8_t *pixelData)          = 0;
+
+    // This is a no-op for most implementations of TextureStorage. Some (e.g. TextureStorage11_2D)
+    // might override it.
+    virtual angle::Result useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                        bool useLevelZeroTexture);
+
+    virtual void invalidateTextures() {}
+
+    // RenderToTexture methods
+    virtual angle::Result releaseMultisampledTexStorageForLevel(size_t level);
+    virtual angle::Result resolveTexture(const gl::Context *context);
+    virtual GLsizei getRenderToTextureSamples() const;
+
+    // Called by outer object when label has changed via KHR_debug extension
+    void setLabel(const std::string &newLabel);
+
+  protected:
+    virtual void onLabelUpdate() {}
+
+    const angle::Subject *mSubject;
+    std::string mKHRDebugLabel;
+};
+
+inline angle::Result TextureStorage::onDestroy(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+inline angle::Result TextureStorage::useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                                   bool useLevelZeroTexture)
+{
+    return angle::Result::Continue;
+}
+
+inline angle::Result TextureStorage::releaseMultisampledTexStorageForLevel(size_t level)
+{
+    return angle::Result::Continue;
+}
+
+inline angle::Result TextureStorage::resolveTexture(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+inline GLsizei TextureStorage::getRenderToTextureSamples() const
+{
+    return 0;
+}
+
+inline void TextureStorage::setLabel(const std::string &newLabel)
+{
+    mKHRDebugLabel = newLabel;
+    onLabelUpdate();
+}
+
+using TexStoragePointer = angle::UniqueObjectPointer<TextureStorage, gl::Context>;
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexBuffer.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexBuffer.cpp
new file mode 100644
index 0000000000..acb27adfcc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexBuffer.cpp
@@ -0,0 +1,308 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexBuffer.cpp: Defines the abstract VertexBuffer class and VertexBufferInterface
+// class with derivations, classes that perform graphics API agnostic vertex buffer operations.
+
+#include "libANGLE/renderer/d3d/VertexBuffer.h"
+
+#include "common/mathutil.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+
+namespace rx
+{
+
+// VertexBuffer Implementation
+unsigned int VertexBuffer::mNextSerial = 1;
+
+VertexBuffer::VertexBuffer() : mRefCount(1)
+{
+    updateSerial();
+}
+
+VertexBuffer::~VertexBuffer() {}
+
+void VertexBuffer::updateSerial()
+{
+    mSerial = mNextSerial++;
+}
+
+unsigned int VertexBuffer::getSerial() const
+{
+    return mSerial;
+}
+
+void VertexBuffer::addRef()
+{
+    mRefCount++;
+}
+
+void VertexBuffer::release()
+{
+    ASSERT(mRefCount > 0);
+    mRefCount--;
+
+    if (mRefCount == 0)
+    {
+        delete this;
+    }
+}
+
+// VertexBufferInterface Implementation
+VertexBufferInterface::VertexBufferInterface(BufferFactoryD3D *factory, bool dynamic)
+    : mFactory(factory), mVertexBuffer(factory->createVertexBuffer()), mDynamic(dynamic)
+{}
+
+VertexBufferInterface::~VertexBufferInterface()
+{
+    if (mVertexBuffer)
+    {
+        mVertexBuffer->release();
+        mVertexBuffer = nullptr;
+    }
+}
+
+unsigned int VertexBufferInterface::getSerial() const
+{
+    ASSERT(mVertexBuffer);
+    return mVertexBuffer->getSerial();
+}
+
+unsigned int VertexBufferInterface::getBufferSize() const
+{
+    ASSERT(mVertexBuffer);
+    return mVertexBuffer->getBufferSize();
+}
+
+angle::Result VertexBufferInterface::setBufferSize(const gl::Context *context, unsigned int size)
+{
+    ASSERT(mVertexBuffer);
+    if (mVertexBuffer->getBufferSize() == 0)
+    {
+        return mVertexBuffer->initialize(context, size, mDynamic);
+    }
+
+    return mVertexBuffer->setBufferSize(context, size);
+}
+
+angle::Result VertexBufferInterface::getSpaceRequired(const gl::Context *context,
+                                                      const gl::VertexAttribute &attrib,
+                                                      const gl::VertexBinding &binding,
+                                                      size_t count,
+                                                      GLsizei instances,
+                                                      GLuint baseInstance,
+                                                      unsigned int *spaceInBytesOut) const
+{
+    unsigned int spaceRequired = 0;
+    ANGLE_TRY(mFactory->getVertexSpaceRequired(context, attrib, binding, count, instances,
+                                               baseInstance, &spaceRequired));
+
+    // Align to 16-byte boundary
+    unsigned int alignedSpaceRequired = roundUpPow2(spaceRequired, 16u);
+    ANGLE_CHECK_GL_ALLOC(GetImplAs<ContextD3D>(context), alignedSpaceRequired >= spaceRequired);
+
+    *spaceInBytesOut = alignedSpaceRequired;
+    return angle::Result::Continue;
+}
+
+angle::Result VertexBufferInterface::discard(const gl::Context *context)
+{
+    ASSERT(mVertexBuffer);
+    return mVertexBuffer->discard(context);
+}
+
+VertexBuffer *VertexBufferInterface::getVertexBuffer() const
+{
+    ASSERT(mVertexBuffer);
+    return mVertexBuffer;
+}
+
+// StreamingVertexBufferInterface Implementation
+StreamingVertexBufferInterface::StreamingVertexBufferInterface(BufferFactoryD3D *factory)
+    : VertexBufferInterface(factory, true), mWritePosition(0), mReservedSpace(0)
+{}
+
+angle::Result StreamingVertexBufferInterface::initialize(const gl::Context *context,
+                                                         std::size_t initialSize)
+{
+    return setBufferSize(context, static_cast<unsigned int>(initialSize));
+}
+
+void StreamingVertexBufferInterface::reset()
+{
+    if (mVertexBuffer)
+    {
+        mVertexBuffer->release();
+        mVertexBuffer = mFactory->createVertexBuffer();
+    }
+}
+
+StreamingVertexBufferInterface::~StreamingVertexBufferInterface() {}
+
+angle::Result StreamingVertexBufferInterface::reserveSpace(const gl::Context *context,
+                                                           unsigned int size)
+{
+    unsigned int curBufferSize = getBufferSize();
+    if (size > curBufferSize)
+    {
+        ANGLE_TRY(setBufferSize(context, std::max(size, 3 * curBufferSize / 2)));
+        mWritePosition = 0;
+    }
+    else if (mWritePosition + size > curBufferSize)
+    {
+        ANGLE_TRY(discard(context));
+        mWritePosition = 0;
+    }
+
+    mReservedSpace = size;
+    return angle::Result::Continue;
+}
+
+angle::Result StreamingVertexBufferInterface::storeDynamicAttribute(
+    const gl::Context *context,
+    const gl::VertexAttribute &attrib,
+    const gl::VertexBinding &binding,
+    gl::VertexAttribType currentValueType,
+    GLint start,
+    size_t count,
+    GLsizei instances,
+    GLuint baseInstance,
+    unsigned int *outStreamOffset,
+    const uint8_t *sourceData)
+{
+    unsigned int spaceRequired = 0;
+    ANGLE_TRY(
+        getSpaceRequired(context, attrib, binding, count, instances, baseInstance, &spaceRequired));
+
+    // Protect against integer overflow
+    angle::CheckedNumeric<unsigned int> checkedPosition(mWritePosition);
+    checkedPosition += spaceRequired;
+    ANGLE_CHECK_GL_ALLOC(GetImplAs<ContextD3D>(context), checkedPosition.IsValid());
+
+    mReservedSpace = 0;
+
+    size_t adjustedCount = count;
+    GLuint divisor       = binding.getDivisor();
+
+    if (instances != 0 && divisor != 0)
+    {
+        // The attribute is an instanced attribute and it's an draw instance call
+        // Extra number of elements are copied at the beginning to make sure
+        // the driver is referencing the correct data with non-zero baseInstance
+        adjustedCount += UnsignedCeilDivide(baseInstance, divisor);
+    }
+
+    ANGLE_TRY(mVertexBuffer->storeVertexAttributes(context, attrib, binding, currentValueType,
+                                                   start, adjustedCount, instances, mWritePosition,
+                                                   sourceData));
+
+    if (outStreamOffset)
+    {
+        *outStreamOffset = mWritePosition;
+    }
+
+    mWritePosition += spaceRequired;
+
+    return angle::Result::Continue;
+}
+
+angle::Result StreamingVertexBufferInterface::reserveVertexSpace(const gl::Context *context,
+                                                                 const gl::VertexAttribute &attrib,
+                                                                 const gl::VertexBinding &binding,
+                                                                 size_t count,
+                                                                 GLsizei instances,
+                                                                 GLuint baseInstance)
+{
+    unsigned int requiredSpace = 0;
+    ANGLE_TRY(mFactory->getVertexSpaceRequired(context, attrib, binding, count, instances,
+                                               baseInstance, &requiredSpace));
+
+    // Align to 16-byte boundary
+    auto alignedRequiredSpace = rx::CheckedRoundUp(requiredSpace, 16u);
+    alignedRequiredSpace += mReservedSpace;
+
+    // Protect against integer overflow
+    ANGLE_CHECK_GL_ALLOC(GetImplAs<ContextD3D>(context), alignedRequiredSpace.IsValid());
+
+    ANGLE_TRY(reserveSpace(context, alignedRequiredSpace.ValueOrDie()));
+
+    return angle::Result::Continue;
+}
+
+// StaticVertexBufferInterface Implementation
+StaticVertexBufferInterface::AttributeSignature::AttributeSignature()
+    : formatID(angle::FormatID::NONE), stride(0), offset(0)
+{}
+
+bool StaticVertexBufferInterface::AttributeSignature::matchesAttribute(
+    const gl::VertexAttribute &attrib,
+    const gl::VertexBinding &binding) const
+{
+    size_t attribStride = ComputeVertexAttributeStride(attrib, binding);
+
+    if (formatID != attrib.format->id || static_cast<GLuint>(stride) != attribStride)
+    {
+        return false;
+    }
+
+    size_t attribOffset =
+        (static_cast<size_t>(ComputeVertexAttributeOffset(attrib, binding)) % attribStride);
+    return (offset == attribOffset);
+}
+
+void StaticVertexBufferInterface::AttributeSignature::set(const gl::VertexAttribute &attrib,
+                                                          const gl::VertexBinding &binding)
+{
+    formatID = attrib.format->id;
+    offset = stride = static_cast<GLuint>(ComputeVertexAttributeStride(attrib, binding));
+    offset          = static_cast<size_t>(ComputeVertexAttributeOffset(attrib, binding)) %
+             ComputeVertexAttributeStride(attrib, binding);
+}
+
+StaticVertexBufferInterface::StaticVertexBufferInterface(BufferFactoryD3D *factory)
+    : VertexBufferInterface(factory, false)
+{}
+
+StaticVertexBufferInterface::~StaticVertexBufferInterface() {}
+
+bool StaticVertexBufferInterface::matchesAttribute(const gl::VertexAttribute &attrib,
+                                                   const gl::VertexBinding &binding) const
+{
+    return mSignature.matchesAttribute(attrib, binding);
+}
+
+void StaticVertexBufferInterface::setAttribute(const gl::VertexAttribute &attrib,
+                                               const gl::VertexBinding &binding)
+{
+    return mSignature.set(attrib, binding);
+}
+
+angle::Result StaticVertexBufferInterface::storeStaticAttribute(const gl::Context *context,
+                                                                const gl::VertexAttribute &attrib,
+                                                                const gl::VertexBinding &binding,
+                                                                GLint start,
+                                                                GLsizei count,
+                                                                GLsizei instances,
+                                                                const uint8_t *sourceData)
+{
+    unsigned int spaceRequired = 0;
+    ANGLE_TRY(getSpaceRequired(context, attrib, binding, count, instances, 0, &spaceRequired));
+    ANGLE_TRY(setBufferSize(context, spaceRequired));
+
+    ASSERT(attrib.enabled);
+    ANGLE_TRY(mVertexBuffer->storeVertexAttributes(context, attrib, binding,
+                                                   gl::VertexAttribType::InvalidEnum, start, count,
+                                                   instances, 0, sourceData));
+
+    mSignature.set(attrib, binding);
+    mVertexBuffer->hintUnmapResource();
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexBuffer.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexBuffer.h
new file mode 100644
index 0000000000..45a16c6bf5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexBuffer.h
@@ -0,0 +1,189 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexBuffer.h: Defines the abstract VertexBuffer class and VertexBufferInterface
+// class with derivations, classes that perform graphics API agnostic vertex buffer operations.
+
+#ifndef LIBANGLE_RENDERER_D3D_VERTEXBUFFER_H_
+#define LIBANGLE_RENDERER_D3D_VERTEXBUFFER_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/Format.h"
+
+#include <GLES2/gl2.h>
+
+#include <cstddef>
+#include <cstdint>
+#include <vector>
+
+namespace gl
+{
+class Context;
+struct VertexAttribute;
+class VertexBinding;
+struct VertexAttribCurrentValueData;
+}  // namespace gl
+
+namespace rx
+{
+class BufferFactoryD3D;
+
+// Use a ref-counting scheme with self-deletion on release. We do this so that we can more
+// easily manage the static buffer cache, without deleting currently bound buffers.
+class VertexBuffer : angle::NonCopyable
+{
+  public:
+    VertexBuffer();
+
+    virtual angle::Result initialize(const gl::Context *context,
+                                     unsigned int size,
+                                     bool dynamicUsage) = 0;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using this
+    // function.
+    virtual angle::Result storeVertexAttributes(const gl::Context *context,
+                                                const gl::VertexAttribute &attrib,
+                                                const gl::VertexBinding &binding,
+                                                gl::VertexAttribType currentValueType,
+                                                GLint start,
+                                                size_t count,
+                                                GLsizei instances,
+                                                unsigned int offset,
+                                                const uint8_t *sourceData) = 0;
+
+    virtual unsigned int getBufferSize() const                                         = 0;
+    virtual angle::Result setBufferSize(const gl::Context *context, unsigned int size) = 0;
+    virtual angle::Result discard(const gl::Context *context)                          = 0;
+
+    unsigned int getSerial() const;
+
+    // This may be overridden (e.g. by VertexBuffer11) if necessary.
+    virtual void hintUnmapResource() {}
+
+    // Reference counting.
+    void addRef();
+    void release();
+
+  protected:
+    void updateSerial();
+    virtual ~VertexBuffer();
+
+  private:
+    unsigned int mSerial;
+    static unsigned int mNextSerial;
+    unsigned int mRefCount;
+};
+
+class VertexBufferInterface : angle::NonCopyable
+{
+  public:
+    VertexBufferInterface(BufferFactoryD3D *factory, bool dynamic);
+    virtual ~VertexBufferInterface();
+
+    unsigned int getBufferSize() const;
+    bool empty() const { return getBufferSize() == 0; }
+
+    unsigned int getSerial() const;
+
+    VertexBuffer *getVertexBuffer() const;
+
+  protected:
+    angle::Result discard(const gl::Context *context);
+
+    angle::Result setBufferSize(const gl::Context *context, unsigned int size);
+
+    angle::Result getSpaceRequired(const gl::Context *context,
+                                   const gl::VertexAttribute &attrib,
+                                   const gl::VertexBinding &binding,
+                                   size_t count,
+                                   GLsizei instances,
+                                   GLuint baseInstance,
+                                   unsigned int *spaceInBytesOut) const;
+    BufferFactoryD3D *const mFactory;
+    VertexBuffer *mVertexBuffer;
+    bool mDynamic;
+};
+
+class StreamingVertexBufferInterface : public VertexBufferInterface
+{
+  public:
+    StreamingVertexBufferInterface(BufferFactoryD3D *factory);
+    ~StreamingVertexBufferInterface() override;
+
+    angle::Result initialize(const gl::Context *context, std::size_t initialSize);
+    void reset();
+
+    angle::Result storeDynamicAttribute(const gl::Context *context,
+                                        const gl::VertexAttribute &attrib,
+                                        const gl::VertexBinding &binding,
+                                        gl::VertexAttribType currentValueType,
+                                        GLint start,
+                                        size_t count,
+                                        GLsizei instances,
+                                        GLuint baseInstance,
+                                        unsigned int *outStreamOffset,
+                                        const uint8_t *sourceData);
+
+    angle::Result reserveVertexSpace(const gl::Context *context,
+                                     const gl::VertexAttribute &attribute,
+                                     const gl::VertexBinding &binding,
+                                     size_t count,
+                                     GLsizei instances,
+                                     GLuint baseInstance);
+
+  private:
+    angle::Result reserveSpace(const gl::Context *context, unsigned int size);
+
+    unsigned int mWritePosition;
+    unsigned int mReservedSpace;
+};
+
+class StaticVertexBufferInterface : public VertexBufferInterface
+{
+  public:
+    explicit StaticVertexBufferInterface(BufferFactoryD3D *factory);
+    ~StaticVertexBufferInterface() override;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using these
+    // functions.
+    angle::Result storeStaticAttribute(const gl::Context *context,
+                                       const gl::VertexAttribute &attrib,
+                                       const gl::VertexBinding &binding,
+                                       GLint start,
+                                       GLsizei count,
+                                       GLsizei instances,
+                                       const uint8_t *sourceData);
+
+    bool matchesAttribute(const gl::VertexAttribute &attribute,
+                          const gl::VertexBinding &binding) const;
+
+    void setAttribute(const gl::VertexAttribute &attribute, const gl::VertexBinding &binding);
+
+  private:
+    class AttributeSignature final : angle::NonCopyable
+    {
+      public:
+        AttributeSignature();
+
+        bool matchesAttribute(const gl::VertexAttribute &attrib,
+                              const gl::VertexBinding &binding) const;
+
+        void set(const gl::VertexAttribute &attrib, const gl::VertexBinding &binding);
+
+      private:
+        angle::FormatID formatID;
+        GLuint stride;
+        size_t offset;
+    };
+
+    AttributeSignature mSignature;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_VERTEXBUFFER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexDataManager.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexDataManager.cpp
new file mode 100644
index 0000000000..6b989c9e80
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexDataManager.cpp
@@ -0,0 +1,683 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexDataManager.h: Defines the VertexDataManager, a class that
+// runs the Buffer translation process.
+
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+
+#include "common/bitset_utils.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/State.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+#include "libANGLE/renderer/d3d/VertexBuffer.h"
+
+using namespace angle;
+
+namespace rx
+{
+namespace
+{
+enum
+{
+    INITIAL_STREAM_BUFFER_SIZE = 1024 * 1024
+};
+// This has to be at least 4k or else it fails on ATI cards.
+enum
+{
+    CONSTANT_VERTEX_BUFFER_SIZE = 4096
+};
+
+// Warning: ensure the binding matches attrib.bindingIndex before using these functions.
+int64_t GetMaxAttributeByteOffsetForDraw(const gl::VertexAttribute &attrib,
+                                         const gl::VertexBinding &binding,
+                                         int64_t elementCount)
+{
+    CheckedNumeric<int64_t> stride = ComputeVertexAttributeStride(attrib, binding);
+    CheckedNumeric<int64_t> offset = ComputeVertexAttributeOffset(attrib, binding);
+    CheckedNumeric<int64_t> size   = ComputeVertexAttributeTypeSize(attrib);
+
+    ASSERT(elementCount > 0);
+
+    CheckedNumeric<int64_t> result =
+        stride * (CheckedNumeric<int64_t>(elementCount) - 1) + size + offset;
+    return result.ValueOrDefault(std::numeric_limits<int64_t>::max());
+}
+
+// Warning: ensure the binding matches attrib.bindingIndex before using these functions.
+int ElementsInBuffer(const gl::VertexAttribute &attrib,
+                     const gl::VertexBinding &binding,
+                     unsigned int size)
+{
+    angle::CheckedNumeric<int64_t> bufferSize(size);
+    angle::CheckedNumeric<int64_t> stride      = ComputeVertexAttributeStride(attrib, binding);
+    angle::CheckedNumeric<int64_t> offset      = ComputeVertexAttributeOffset(attrib, binding);
+    angle::CheckedNumeric<int64_t> elementSize = ComputeVertexAttributeTypeSize(attrib);
+
+    auto elementsInBuffer    = (bufferSize - (offset % stride) + (stride - elementSize)) / stride;
+    auto elementsInBufferInt = elementsInBuffer.Cast<int>();
+
+    return elementsInBufferInt.ValueOrDefault(0);
+}
+
+// Warning: you should ensure binding really matches attrib.bindingIndex before using this function.
+bool DirectStoragePossible(const gl::Context *context,
+                           const gl::VertexAttribute &attrib,
+                           const gl::VertexBinding &binding)
+{
+    // Current value attribs may not use direct storage.
+    if (!attrib.enabled)
+    {
+        return false;
+    }
+
+    gl::Buffer *buffer = binding.getBuffer().get();
+    if (!buffer)
+    {
+        return false;
+    }
+
+    BufferD3D *bufferD3D = GetImplAs<BufferD3D>(buffer);
+    ASSERT(bufferD3D);
+    if (!bufferD3D->supportsDirectBinding())
+    {
+        return false;
+    }
+
+    // Alignment restrictions: In D3D, vertex data must be aligned to the format stride, or to a
+    // 4-byte boundary, whichever is smaller. (Undocumented, and experimentally confirmed)
+    size_t alignment = 4;
+
+    // TODO(jmadill): add VertexFormatCaps
+    BufferFactoryD3D *factory = bufferD3D->getFactory();
+
+    angle::FormatID vertexFormatID = attrib.format->id;
+
+    // CPU-converted vertex data must be converted (naturally).
+    if ((factory->getVertexConversionType(vertexFormatID) & VERTEX_CONVERT_CPU) != 0)
+    {
+        return false;
+    }
+
+    if (attrib.format->vertexAttribType != gl::VertexAttribType::Float)
+    {
+        unsigned int elementSize = 0;
+        angle::Result error =
+            factory->getVertexSpaceRequired(context, attrib, binding, 1, 0, 0, &elementSize);
+        ASSERT(error == angle::Result::Continue);
+        alignment = std::min<size_t>(elementSize, 4);
+    }
+
+    GLintptr offset = ComputeVertexAttributeOffset(attrib, binding);
+    // Final alignment check - unaligned data must be converted.
+    return (static_cast<size_t>(ComputeVertexAttributeStride(attrib, binding)) % alignment == 0) &&
+           (static_cast<size_t>(offset) % alignment == 0);
+}
+}  // anonymous namespace
+
+TranslatedAttribute::TranslatedAttribute()
+    : active(false),
+      attribute(nullptr),
+      binding(nullptr),
+      currentValueType(gl::VertexAttribType::InvalidEnum),
+      baseOffset(0),
+      usesFirstVertexOffset(false),
+      stride(0),
+      vertexBuffer(),
+      storage(nullptr),
+      serial(0),
+      divisor(0)
+{}
+
+TranslatedAttribute::TranslatedAttribute(const TranslatedAttribute &other) = default;
+
+angle::Result TranslatedAttribute::computeOffset(const gl::Context *context,
+                                                 GLint startVertex,
+                                                 unsigned int *offsetOut) const
+{
+    if (!usesFirstVertexOffset)
+    {
+        *offsetOut = baseOffset;
+        return angle::Result::Continue;
+    }
+
+    CheckedNumeric<unsigned int> offset(baseOffset);
+    CheckedNumeric<unsigned int> checkedStride(stride);
+
+    offset += checkedStride * static_cast<unsigned int>(startVertex);
+    ANGLE_CHECK_GL_MATH(GetImplAs<ContextD3D>(context), offset.IsValid());
+    *offsetOut = offset.ValueOrDie();
+    return angle::Result::Continue;
+}
+
+// Warning: you should ensure binding really matches attrib.bindingIndex before using this function.
+VertexStorageType ClassifyAttributeStorage(const gl::Context *context,
+                                           const gl::VertexAttribute &attrib,
+                                           const gl::VertexBinding &binding)
+{
+    // If attribute is disabled, we use the current value.
+    if (!attrib.enabled)
+    {
+        return VertexStorageType::CURRENT_VALUE;
+    }
+
+    // If specified with immediate data, we must use dynamic storage.
+    gl::Buffer *buffer = binding.getBuffer().get();
+    if (!buffer)
+    {
+        return VertexStorageType::DYNAMIC;
+    }
+
+    // Check if the buffer supports direct storage.
+    if (DirectStoragePossible(context, attrib, binding))
+    {
+        return VertexStorageType::DIRECT;
+    }
+
+    // Otherwise the storage is static or dynamic.
+    BufferD3D *bufferD3D = GetImplAs<BufferD3D>(buffer);
+    ASSERT(bufferD3D);
+    switch (bufferD3D->getUsage())
+    {
+        case D3DBufferUsage::DYNAMIC:
+            return VertexStorageType::DYNAMIC;
+        case D3DBufferUsage::STATIC:
+            return VertexStorageType::STATIC;
+        default:
+            UNREACHABLE();
+            return VertexStorageType::UNKNOWN;
+    }
+}
+
+VertexDataManager::CurrentValueState::CurrentValueState(BufferFactoryD3D *factory)
+    : buffer(new StreamingVertexBufferInterface(factory)), offset(0)
+{
+    data.Values.FloatValues[0] = std::numeric_limits<float>::quiet_NaN();
+    data.Values.FloatValues[1] = std::numeric_limits<float>::quiet_NaN();
+    data.Values.FloatValues[2] = std::numeric_limits<float>::quiet_NaN();
+    data.Values.FloatValues[3] = std::numeric_limits<float>::quiet_NaN();
+    data.Type                  = gl::VertexAttribType::Float;
+}
+
+VertexDataManager::CurrentValueState::CurrentValueState(CurrentValueState &&other)
+{
+    std::swap(buffer, other.buffer);
+    std::swap(data, other.data);
+    std::swap(offset, other.offset);
+}
+
+VertexDataManager::CurrentValueState::~CurrentValueState() {}
+
+VertexDataManager::VertexDataManager(BufferFactoryD3D *factory)
+    : mFactory(factory), mStreamingBuffer(factory)
+{
+    mCurrentValueCache.reserve(gl::MAX_VERTEX_ATTRIBS);
+    for (int currentValueIndex = 0; currentValueIndex < gl::MAX_VERTEX_ATTRIBS; ++currentValueIndex)
+    {
+        mCurrentValueCache.emplace_back(factory);
+    }
+}
+
+VertexDataManager::~VertexDataManager() {}
+
+angle::Result VertexDataManager::initialize(const gl::Context *context)
+{
+    return mStreamingBuffer.initialize(context, INITIAL_STREAM_BUFFER_SIZE);
+}
+
+void VertexDataManager::deinitialize()
+{
+    mStreamingBuffer.reset();
+    mCurrentValueCache.clear();
+}
+
+angle::Result VertexDataManager::prepareVertexData(
+    const gl::Context *context,
+    GLint start,
+    GLsizei count,
+    std::vector<TranslatedAttribute> *translatedAttribs,
+    GLsizei instances)
+{
+    const gl::State &state                  = context->getState();
+    const gl::ProgramExecutable *executable = state.getProgramExecutable();
+    const gl::VertexArray *vertexArray      = state.getVertexArray();
+    const auto &vertexAttributes            = vertexArray->getVertexAttributes();
+    const auto &vertexBindings              = vertexArray->getVertexBindings();
+
+    mDynamicAttribsMaskCache.reset();
+
+    translatedAttribs->clear();
+
+    for (size_t attribIndex = 0; attribIndex < vertexAttributes.size(); ++attribIndex)
+    {
+        // Skip attrib locations the program doesn't use.
+        if (!executable->isAttribLocationActive(attribIndex))
+            continue;
+
+        const auto &attrib  = vertexAttributes[attribIndex];
+        const auto &binding = vertexBindings[attrib.bindingIndex];
+
+        // Resize automatically puts in empty attribs
+        translatedAttribs->resize(attribIndex + 1);
+
+        TranslatedAttribute *translated = &(*translatedAttribs)[attribIndex];
+        auto currentValueData           = state.getVertexAttribCurrentValue(attribIndex);
+
+        // Record the attribute now
+        translated->active           = true;
+        translated->attribute        = &attrib;
+        translated->binding          = &binding;
+        translated->currentValueType = currentValueData.Type;
+        translated->divisor          = binding.getDivisor();
+
+        switch (ClassifyAttributeStorage(context, attrib, binding))
+        {
+            case VertexStorageType::STATIC:
+            {
+                // Store static attribute.
+                ANGLE_TRY(StoreStaticAttrib(context, translated));
+                break;
+            }
+            case VertexStorageType::DYNAMIC:
+                // Dynamic attributes must be handled together.
+                mDynamicAttribsMaskCache.set(attribIndex);
+                break;
+            case VertexStorageType::DIRECT:
+                // Update translated data for direct attributes.
+                StoreDirectAttrib(context, translated);
+                break;
+            case VertexStorageType::CURRENT_VALUE:
+            {
+                ANGLE_TRY(storeCurrentValue(context, currentValueData, translated, attribIndex));
+                break;
+            }
+            default:
+                UNREACHABLE();
+                break;
+        }
+    }
+
+    if (mDynamicAttribsMaskCache.none())
+    {
+        return angle::Result::Continue;
+    }
+
+    // prepareVertexData is only called by Renderer9 which don't support baseInstance
+    ANGLE_TRY(storeDynamicAttribs(context, translatedAttribs, mDynamicAttribsMaskCache, start,
+                                  count, instances, 0u));
+
+    PromoteDynamicAttribs(context, *translatedAttribs, mDynamicAttribsMaskCache, count);
+
+    return angle::Result::Continue;
+}
+
+// static
+void VertexDataManager::StoreDirectAttrib(const gl::Context *context,
+                                          TranslatedAttribute *directAttrib)
+{
+    ASSERT(directAttrib->attribute && directAttrib->binding);
+    const auto &attrib  = *directAttrib->attribute;
+    const auto &binding = *directAttrib->binding;
+
+    gl::Buffer *buffer = binding.getBuffer().get();
+    ASSERT(buffer);
+    BufferD3D *bufferD3D = GetImplAs<BufferD3D>(buffer);
+
+    ASSERT(DirectStoragePossible(context, attrib, binding));
+    directAttrib->vertexBuffer.set(nullptr);
+    directAttrib->storage = bufferD3D;
+    directAttrib->serial  = bufferD3D->getSerial();
+    directAttrib->stride = static_cast<unsigned int>(ComputeVertexAttributeStride(attrib, binding));
+    directAttrib->baseOffset =
+        static_cast<unsigned int>(ComputeVertexAttributeOffset(attrib, binding));
+
+    // Instanced vertices do not apply the 'start' offset
+    directAttrib->usesFirstVertexOffset = (binding.getDivisor() == 0);
+}
+
+// static
+angle::Result VertexDataManager::StoreStaticAttrib(const gl::Context *context,
+                                                   TranslatedAttribute *translated)
+{
+    ASSERT(translated->attribute && translated->binding);
+    const auto &attrib  = *translated->attribute;
+    const auto &binding = *translated->binding;
+
+    gl::Buffer *buffer = binding.getBuffer().get();
+    ASSERT(buffer && attrib.enabled && !DirectStoragePossible(context, attrib, binding));
+    BufferD3D *bufferD3D = GetImplAs<BufferD3D>(buffer);
+
+    // Compute source data pointer
+    const uint8_t *sourceData = nullptr;
+    const int offset          = static_cast<int>(ComputeVertexAttributeOffset(attrib, binding));
+
+    ANGLE_TRY(bufferD3D->getData(context, &sourceData));
+
+    if (sourceData)
+    {
+        sourceData += offset;
+    }
+
+    unsigned int streamOffset = 0;
+
+    translated->storage = nullptr;
+    ANGLE_TRY(bufferD3D->getFactory()->getVertexSpaceRequired(context, attrib, binding, 1, 0, 0,
+                                                              &translated->stride));
+
+    auto *staticBuffer = bufferD3D->getStaticVertexBuffer(attrib, binding);
+    ASSERT(staticBuffer);
+
+    if (staticBuffer->empty())
+    {
+        // Convert the entire buffer
+        int totalCount =
+            ElementsInBuffer(attrib, binding, static_cast<unsigned int>(bufferD3D->getSize()));
+        int startIndex = offset / static_cast<int>(ComputeVertexAttributeStride(attrib, binding));
+
+        if (totalCount > 0)
+        {
+            ANGLE_TRY(staticBuffer->storeStaticAttribute(context, attrib, binding, -startIndex,
+                                                         totalCount, 0, sourceData));
+        }
+    }
+
+    unsigned int firstElementOffset =
+        (static_cast<unsigned int>(offset) /
+         static_cast<unsigned int>(ComputeVertexAttributeStride(attrib, binding))) *
+        translated->stride;
+
+    VertexBuffer *vertexBuffer = staticBuffer->getVertexBuffer();
+
+    CheckedNumeric<unsigned int> checkedOffset(streamOffset);
+    checkedOffset += firstElementOffset;
+
+    ANGLE_CHECK_GL_MATH(GetImplAs<ContextD3D>(context), checkedOffset.IsValid());
+
+    translated->vertexBuffer.set(vertexBuffer);
+    translated->serial     = vertexBuffer->getSerial();
+    translated->baseOffset = streamOffset + firstElementOffset;
+
+    // Instanced vertices do not apply the 'start' offset
+    translated->usesFirstVertexOffset = (binding.getDivisor() == 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result VertexDataManager::storeDynamicAttribs(
+    const gl::Context *context,
+    std::vector<TranslatedAttribute> *translatedAttribs,
+    const gl::AttributesMask &dynamicAttribsMask,
+    GLint start,
+    size_t count,
+    GLsizei instances,
+    GLuint baseInstance)
+{
+    // Instantiating this class will ensure the streaming buffer is never left mapped.
+    class StreamingBufferUnmapper final : NonCopyable
+    {
+      public:
+        StreamingBufferUnmapper(StreamingVertexBufferInterface *streamingBuffer)
+            : mStreamingBuffer(streamingBuffer)
+        {
+            ASSERT(mStreamingBuffer);
+        }
+        ~StreamingBufferUnmapper() { mStreamingBuffer->getVertexBuffer()->hintUnmapResource(); }
+
+      private:
+        StreamingVertexBufferInterface *mStreamingBuffer;
+    };
+
+    // Will trigger unmapping on return.
+    StreamingBufferUnmapper localUnmapper(&mStreamingBuffer);
+
+    // Reserve the required space for the dynamic buffers.
+    for (auto attribIndex : dynamicAttribsMask)
+    {
+        const auto &dynamicAttrib = (*translatedAttribs)[attribIndex];
+        ANGLE_TRY(
+            reserveSpaceForAttrib(context, dynamicAttrib, start, count, instances, baseInstance));
+    }
+
+    // Store dynamic attributes
+    for (auto attribIndex : dynamicAttribsMask)
+    {
+        auto *dynamicAttrib = &(*translatedAttribs)[attribIndex];
+        ANGLE_TRY(
+            storeDynamicAttrib(context, dynamicAttrib, start, count, instances, baseInstance));
+    }
+
+    return angle::Result::Continue;
+}
+
+void VertexDataManager::PromoteDynamicAttribs(
+    const gl::Context *context,
+    const std::vector<TranslatedAttribute> &translatedAttribs,
+    const gl::AttributesMask &dynamicAttribsMask,
+    size_t count)
+{
+    for (auto attribIndex : dynamicAttribsMask)
+    {
+        const auto &dynamicAttrib = translatedAttribs[attribIndex];
+        ASSERT(dynamicAttrib.attribute && dynamicAttrib.binding);
+        const auto &binding = *dynamicAttrib.binding;
+
+        gl::Buffer *buffer = binding.getBuffer().get();
+        if (buffer)
+        {
+            // Note: this multiplication can overflow. It should not be a security problem.
+            BufferD3D *bufferD3D = GetImplAs<BufferD3D>(buffer);
+            size_t typeSize      = ComputeVertexAttributeTypeSize(*dynamicAttrib.attribute);
+            bufferD3D->promoteStaticUsage(context, count * typeSize);
+        }
+    }
+}
+
+angle::Result VertexDataManager::reserveSpaceForAttrib(const gl::Context *context,
+                                                       const TranslatedAttribute &translatedAttrib,
+                                                       GLint start,
+                                                       size_t count,
+                                                       GLsizei instances,
+                                                       GLuint baseInstance)
+{
+    ASSERT(translatedAttrib.attribute && translatedAttrib.binding);
+    const auto &attrib  = *translatedAttrib.attribute;
+    const auto &binding = *translatedAttrib.binding;
+
+    ASSERT(!DirectStoragePossible(context, attrib, binding));
+
+    gl::Buffer *buffer   = binding.getBuffer().get();
+    BufferD3D *bufferD3D = buffer ? GetImplAs<BufferD3D>(buffer) : nullptr;
+    ASSERT(!bufferD3D || bufferD3D->getStaticVertexBuffer(attrib, binding) == nullptr);
+
+    size_t totalCount = gl::ComputeVertexBindingElementCount(binding.getDivisor(), count,
+                                                             static_cast<size_t>(instances));
+    // TODO(jiajia.qin@intel.com): force the index buffer to clamp any out of range indices instead
+    // of invalid operation here.
+    if (bufferD3D)
+    {
+        // Vertices do not apply the 'start' offset when the divisor is non-zero even when doing
+        // a non-instanced draw call
+        GLint firstVertexIndex = binding.getDivisor() > 0
+                                     ? UnsignedCeilDivide(baseInstance, binding.getDivisor())
+                                     : start;
+        int64_t maxVertexCount =
+            static_cast<int64_t>(firstVertexIndex) + static_cast<int64_t>(totalCount);
+
+        int64_t maxByte = GetMaxAttributeByteOffsetForDraw(attrib, binding, maxVertexCount);
+
+        ASSERT(bufferD3D->getSize() <= static_cast<size_t>(std::numeric_limits<int64_t>::max()));
+        ANGLE_CHECK(GetImplAs<ContextD3D>(context),
+                    maxByte <= static_cast<int64_t>(bufferD3D->getSize()),
+                    "Vertex buffer is not big enough for the draw call.", GL_INVALID_OPERATION);
+    }
+    return mStreamingBuffer.reserveVertexSpace(context, attrib, binding, totalCount, instances,
+                                               baseInstance);
+}
+
+angle::Result VertexDataManager::storeDynamicAttrib(const gl::Context *context,
+                                                    TranslatedAttribute *translated,
+                                                    GLint start,
+                                                    size_t count,
+                                                    GLsizei instances,
+                                                    GLuint baseInstance)
+{
+    ASSERT(translated->attribute && translated->binding);
+    const auto &attrib  = *translated->attribute;
+    const auto &binding = *translated->binding;
+
+    gl::Buffer *buffer = binding.getBuffer().get();
+    ASSERT(buffer || attrib.pointer);
+    ASSERT(attrib.enabled);
+
+    BufferD3D *storage = buffer ? GetImplAs<BufferD3D>(buffer) : nullptr;
+
+    // Instanced vertices do not apply the 'start' offset
+    GLint firstVertexIndex =
+        (binding.getDivisor() > 0 ? UnsignedCeilDivide(baseInstance, binding.getDivisor()) : start);
+
+    // Compute source data pointer
+    const uint8_t *sourceData = nullptr;
+
+    if (buffer)
+    {
+        ANGLE_TRY(storage->getData(context, &sourceData));
+        sourceData += static_cast<int>(ComputeVertexAttributeOffset(attrib, binding));
+    }
+    else
+    {
+        // Attributes using client memory ignore the VERTEX_ATTRIB_BINDING state.
+        // https://www.opengl.org/registry/specs/ARB/vertex_attrib_binding.txt
+        sourceData = static_cast<const uint8_t *>(attrib.pointer);
+    }
+
+    unsigned int streamOffset = 0;
+
+    translated->storage = nullptr;
+    ANGLE_TRY(
+        mFactory->getVertexSpaceRequired(context, attrib, binding, 1, 0, 0, &translated->stride));
+
+    size_t totalCount = gl::ComputeVertexBindingElementCount(binding.getDivisor(), count,
+                                                             static_cast<size_t>(instances));
+
+    ANGLE_TRY(mStreamingBuffer.storeDynamicAttribute(
+        context, attrib, binding, translated->currentValueType, firstVertexIndex,
+        static_cast<GLsizei>(totalCount), instances, baseInstance, &streamOffset, sourceData));
+
+    VertexBuffer *vertexBuffer = mStreamingBuffer.getVertexBuffer();
+
+    translated->vertexBuffer.set(vertexBuffer);
+    translated->serial                = vertexBuffer->getSerial();
+    translated->baseOffset            = streamOffset;
+    translated->usesFirstVertexOffset = false;
+
+    return angle::Result::Continue;
+}
+
+angle::Result VertexDataManager::storeCurrentValue(
+    const gl::Context *context,
+    const gl::VertexAttribCurrentValueData &currentValue,
+    TranslatedAttribute *translated,
+    size_t attribIndex)
+{
+    CurrentValueState *cachedState         = &mCurrentValueCache[attribIndex];
+    StreamingVertexBufferInterface &buffer = *cachedState->buffer;
+
+    if (buffer.getBufferSize() == 0)
+    {
+        ANGLE_TRY(buffer.initialize(context, CONSTANT_VERTEX_BUFFER_SIZE));
+    }
+
+    if (cachedState->data != currentValue)
+    {
+        ASSERT(translated->attribute && translated->binding);
+        const auto &attrib  = *translated->attribute;
+        const auto &binding = *translated->binding;
+
+        ANGLE_TRY(buffer.reserveVertexSpace(context, attrib, binding, 1, 0, 0));
+
+        const uint8_t *sourceData =
+            reinterpret_cast<const uint8_t *>(currentValue.Values.FloatValues);
+        unsigned int streamOffset;
+        ANGLE_TRY(buffer.storeDynamicAttribute(context, attrib, binding, currentValue.Type, 0, 1, 0,
+                                               0, &streamOffset, sourceData));
+
+        buffer.getVertexBuffer()->hintUnmapResource();
+
+        cachedState->data   = currentValue;
+        cachedState->offset = streamOffset;
+    }
+
+    translated->vertexBuffer.set(buffer.getVertexBuffer());
+
+    translated->storage               = nullptr;
+    translated->serial                = buffer.getSerial();
+    translated->divisor               = 0;
+    translated->stride                = 0;
+    translated->baseOffset            = static_cast<unsigned int>(cachedState->offset);
+    translated->usesFirstVertexOffset = false;
+
+    return angle::Result::Continue;
+}
+
+// VertexBufferBinding implementation
+VertexBufferBinding::VertexBufferBinding() : mBoundVertexBuffer(nullptr) {}
+
+VertexBufferBinding::VertexBufferBinding(const VertexBufferBinding &other)
+    : mBoundVertexBuffer(other.mBoundVertexBuffer)
+{
+    if (mBoundVertexBuffer)
+    {
+        mBoundVertexBuffer->addRef();
+    }
+}
+
+VertexBufferBinding::~VertexBufferBinding()
+{
+    if (mBoundVertexBuffer)
+    {
+        mBoundVertexBuffer->release();
+    }
+}
+
+VertexBufferBinding &VertexBufferBinding::operator=(const VertexBufferBinding &other)
+{
+    mBoundVertexBuffer = other.mBoundVertexBuffer;
+    if (mBoundVertexBuffer)
+    {
+        mBoundVertexBuffer->addRef();
+    }
+    return *this;
+}
+
+void VertexBufferBinding::set(VertexBuffer *vertexBuffer)
+{
+    if (mBoundVertexBuffer == vertexBuffer)
+        return;
+
+    if (mBoundVertexBuffer)
+    {
+        mBoundVertexBuffer->release();
+    }
+    if (vertexBuffer)
+    {
+        vertexBuffer->addRef();
+    }
+
+    mBoundVertexBuffer = vertexBuffer;
+}
+
+VertexBuffer *VertexBufferBinding::get() const
+{
+    return mBoundVertexBuffer;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexDataManager.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexDataManager.h
new file mode 100644
index 0000000000..50400db027
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexDataManager.h
@@ -0,0 +1,163 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexDataManager.h: Defines the VertexDataManager, a class that
+// runs the Buffer translation process.
+
+#ifndef LIBANGLE_RENDERER_D3D_VERTEXDATAMANAGER_H_
+#define LIBANGLE_RENDERER_D3D_VERTEXDATAMANAGER_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/VertexBuffer.h"
+
+namespace gl
+{
+class State;
+struct VertexAttribute;
+class VertexBinding;
+struct VertexAttribCurrentValueData;
+}  // namespace gl
+
+namespace rx
+{
+class BufferD3D;
+class BufferFactoryD3D;
+class StreamingVertexBufferInterface;
+class VertexBuffer;
+
+class VertexBufferBinding final
+{
+  public:
+    VertexBufferBinding();
+    VertexBufferBinding(const VertexBufferBinding &other);
+    ~VertexBufferBinding();
+
+    void set(VertexBuffer *vertexBuffer);
+    VertexBuffer *get() const;
+    VertexBufferBinding &operator=(const VertexBufferBinding &other);
+
+  private:
+    VertexBuffer *mBoundVertexBuffer;
+};
+
+struct TranslatedAttribute
+{
+    TranslatedAttribute();
+    TranslatedAttribute(const TranslatedAttribute &other);
+
+    // Computes the correct offset from baseOffset, usesFirstVertexOffset, stride and startVertex.
+    // Can throw an error on integer overflow.
+    angle::Result computeOffset(const gl::Context *context,
+                                GLint startVertex,
+                                unsigned int *offsetOut) const;
+
+    bool active;
+
+    const gl::VertexAttribute *attribute;
+    const gl::VertexBinding *binding;
+    gl::VertexAttribType currentValueType;
+    unsigned int baseOffset;
+    bool usesFirstVertexOffset;
+    unsigned int stride;  // 0 means not to advance the read pointer at all
+
+    VertexBufferBinding vertexBuffer;
+    BufferD3D *storage;
+    unsigned int serial;
+    unsigned int divisor;
+};
+
+enum class VertexStorageType
+{
+    UNKNOWN,
+    STATIC,         // Translate the vertex data once and re-use it.
+    DYNAMIC,        // Translate the data every frame into a ring buffer.
+    DIRECT,         // Bind a D3D buffer directly without any translation.
+    CURRENT_VALUE,  // Use a single value for the attribute.
+};
+
+// Given a vertex attribute, return the type of storage it will use.
+VertexStorageType ClassifyAttributeStorage(const gl::Context *context,
+                                           const gl::VertexAttribute &attrib,
+                                           const gl::VertexBinding &binding);
+
+class VertexDataManager : angle::NonCopyable
+{
+  public:
+    VertexDataManager(BufferFactoryD3D *factory);
+    virtual ~VertexDataManager();
+
+    angle::Result initialize(const gl::Context *context);
+    void deinitialize();
+
+    angle::Result prepareVertexData(const gl::Context *context,
+                                    GLint start,
+                                    GLsizei count,
+                                    std::vector<TranslatedAttribute> *translatedAttribs,
+                                    GLsizei instances);
+
+    static void StoreDirectAttrib(const gl::Context *context, TranslatedAttribute *directAttrib);
+
+    static angle::Result StoreStaticAttrib(const gl::Context *context,
+                                           TranslatedAttribute *translated);
+
+    angle::Result storeDynamicAttribs(const gl::Context *context,
+                                      std::vector<TranslatedAttribute> *translatedAttribs,
+                                      const gl::AttributesMask &dynamicAttribsMask,
+                                      GLint start,
+                                      size_t count,
+                                      GLsizei instances,
+                                      GLuint baseInstance);
+
+    // Promote static usage of dynamic buffers.
+    static void PromoteDynamicAttribs(const gl::Context *context,
+                                      const std::vector<TranslatedAttribute> &translatedAttribs,
+                                      const gl::AttributesMask &dynamicAttribsMask,
+                                      size_t count);
+
+    angle::Result storeCurrentValue(const gl::Context *context,
+                                    const gl::VertexAttribCurrentValueData &currentValue,
+                                    TranslatedAttribute *translated,
+                                    size_t attribIndex);
+
+  private:
+    struct CurrentValueState final : angle::NonCopyable
+    {
+        CurrentValueState(BufferFactoryD3D *factory);
+        CurrentValueState(CurrentValueState &&other);
+        ~CurrentValueState();
+
+        std::unique_ptr<StreamingVertexBufferInterface> buffer;
+        gl::VertexAttribCurrentValueData data;
+        size_t offset;
+    };
+
+    angle::Result reserveSpaceForAttrib(const gl::Context *context,
+                                        const TranslatedAttribute &translatedAttrib,
+                                        GLint start,
+                                        size_t count,
+                                        GLsizei instances,
+                                        GLuint baseInstance);
+
+    angle::Result storeDynamicAttrib(const gl::Context *context,
+                                     TranslatedAttribute *translated,
+                                     GLint start,
+                                     size_t count,
+                                     GLsizei instances,
+                                     GLuint baseInstance);
+
+    BufferFactoryD3D *const mFactory;
+
+    StreamingVertexBufferInterface mStreamingBuffer;
+    std::vector<CurrentValueState> mCurrentValueCache;
+    gl::AttributesMask mDynamicAttribsMaskCache;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_VERTEXDATAMANAGER_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11.cpp
new file mode 100644
index 0000000000..b78ecc5dee
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11.cpp
@@ -0,0 +1,1943 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Blit11.cpp: Texture copy utility class.
+
+#include "libANGLE/renderer/d3d/d3d11/Blit11.h"
+
+#include <float.h>
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+#include "libANGLE/trace.h"
+
+namespace rx
+{
+
+namespace
+{
+
+// Include inline shaders in the anonymous namespace to make sure no symbols are exported
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough2d11vs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughdepth2d11ps.h"
+
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11gs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11vs.h"
+
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepth11_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_vs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvestencil11_ps.h"
+
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2darrayps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2dps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef3dps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2darrayps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2dps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei3dps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2darrayps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2dps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui3dps.h"
+
+void StretchedBlitNearest_RowByRow(const gl::Box &sourceArea,
+                                   const gl::Box &destArea,
+                                   const gl::Rectangle &clippedDestArea,
+                                   const gl::Extents &sourceSize,
+                                   unsigned int sourceRowPitch,
+                                   unsigned int destRowPitch,
+                                   size_t pixelSize,
+                                   const uint8_t *sourceData,
+                                   uint8_t *destData)
+{
+    int srcHeightSubOne = (sourceArea.height - 1);
+    size_t copySize     = pixelSize * clippedDestArea.width;
+    size_t srcOffset    = sourceArea.x * pixelSize;
+    size_t destOffset   = clippedDestArea.x * pixelSize;
+
+    for (int y = clippedDestArea.y; y < clippedDestArea.y + clippedDestArea.height; y++)
+    {
+        // TODO: Fix divide by zero when height == 1. http://anglebug.com/6099
+        float yPerc = static_cast<float>(y - destArea.y) / (destArea.height - 1);
+
+        // Interpolate using the original source rectangle to determine which row to sample from
+        // while clamping to the edges
+        unsigned int readRow = static_cast<unsigned int>(
+            gl::clamp(sourceArea.y + floor(yPerc * srcHeightSubOne + 0.5f), 0, srcHeightSubOne));
+        unsigned int writeRow = y;
+
+        const uint8_t *sourceRow = sourceData + readRow * sourceRowPitch + srcOffset;
+        uint8_t *destRow         = destData + writeRow * destRowPitch + destOffset;
+        memcpy(destRow, sourceRow, copySize);
+    }
+}
+
+void StretchedBlitNearest_PixelByPixel(const gl::Box &sourceArea,
+                                       const gl::Box &destArea,
+                                       const gl::Rectangle &clippedDestArea,
+                                       const gl::Extents &sourceSize,
+                                       unsigned int sourceRowPitch,
+                                       unsigned int destRowPitch,
+                                       ptrdiff_t readOffset,
+                                       ptrdiff_t writeOffset,
+                                       size_t copySize,
+                                       size_t srcPixelStride,
+                                       size_t destPixelStride,
+                                       const uint8_t *sourceData,
+                                       uint8_t *destData)
+{
+    auto xMax = clippedDestArea.x + clippedDestArea.width;
+    auto yMax = clippedDestArea.y + clippedDestArea.height;
+
+    for (int writeRow = clippedDestArea.y; writeRow < yMax; writeRow++)
+    {
+        // Interpolate using the original source rectangle to determine which row to sample from
+        // while clamping to the edges
+        float yPerc    = static_cast<float>(writeRow - destArea.y) / (destArea.height - 1);
+        float yRounded = floor(yPerc * (sourceArea.height - 1) + 0.5f);
+        unsigned int readRow =
+            static_cast<unsigned int>(gl::clamp(sourceArea.y + yRounded, 0, sourceSize.height - 1));
+
+        for (int writeColumn = clippedDestArea.x; writeColumn < xMax; writeColumn++)
+        {
+            // Interpolate the original source rectangle to determine which column to sample
+            // from while clamping to the edges
+            float xPerc    = static_cast<float>(writeColumn - destArea.x) / (destArea.width - 1);
+            float xRounded = floor(xPerc * (sourceArea.width - 1) + 0.5f);
+            unsigned int readColumn = static_cast<unsigned int>(
+                gl::clamp(sourceArea.x + xRounded, 0, sourceSize.width - 1));
+
+            const uint8_t *sourcePixel =
+                sourceData + readRow * sourceRowPitch + readColumn * srcPixelStride + readOffset;
+
+            uint8_t *destPixel =
+                destData + writeRow * destRowPitch + writeColumn * destPixelStride + writeOffset;
+
+            memcpy(destPixel, sourcePixel, copySize);
+        }
+    }
+}
+
+void StretchedBlitNearest(const gl::Box &sourceArea,
+                          const gl::Box &destArea,
+                          const gl::Rectangle &clipRect,
+                          const gl::Extents &sourceSize,
+                          unsigned int sourceRowPitch,
+                          unsigned int destRowPitch,
+                          ptrdiff_t readOffset,
+                          ptrdiff_t writeOffset,
+                          size_t copySize,
+                          size_t srcPixelStride,
+                          size_t destPixelStride,
+                          const uint8_t *sourceData,
+                          uint8_t *destData)
+{
+    gl::Rectangle clippedDestArea(destArea.x, destArea.y, destArea.width, destArea.height);
+    if (!gl::ClipRectangle(clippedDestArea, clipRect, &clippedDestArea))
+    {
+        return;
+    }
+
+    // Determine if entire rows can be copied at once instead of each individual pixel. There
+    // must be no out of bounds lookups, whole rows copies, and no scale.
+    if (sourceArea.width == clippedDestArea.width && sourceArea.x >= 0 &&
+        sourceArea.x + sourceArea.width <= sourceSize.width && copySize == srcPixelStride &&
+        copySize == destPixelStride)
+    {
+        StretchedBlitNearest_RowByRow(sourceArea, destArea, clippedDestArea, sourceSize,
+                                      sourceRowPitch, destRowPitch, srcPixelStride, sourceData,
+                                      destData);
+    }
+    else
+    {
+        StretchedBlitNearest_PixelByPixel(sourceArea, destArea, clippedDestArea, sourceSize,
+                                          sourceRowPitch, destRowPitch, readOffset, writeOffset,
+                                          copySize, srcPixelStride, destPixelStride, sourceData,
+                                          destData);
+    }
+}
+
+using DepthStencilLoader = void(const float *, uint8_t *);
+
+void LoadDepth16(const float *source, uint8_t *dest)
+{
+    uint32_t convertedDepth = gl::floatToNormalized<16, uint32_t>(source[0]);
+    memcpy(dest, &convertedDepth, 2u);
+}
+
+void LoadDepth24(const float *source, uint8_t *dest)
+{
+    uint32_t convertedDepth = gl::floatToNormalized<24, uint32_t>(source[0]);
+    memcpy(dest, &convertedDepth, 3u);
+}
+
+void LoadStencilHelper(const float *source, uint8_t *dest)
+{
+    uint32_t convertedStencil = gl::getShiftedData<8, 0>(static_cast<uint32_t>(source[1]));
+    memcpy(dest, &convertedStencil, 1u);
+}
+
+void LoadStencil8(const float *source, uint8_t *dest)
+{
+    // STENCIL_INDEX8 is implemented with D24S8, with the depth bits unused. Writes zero for safety.
+    float zero = 0.0f;
+    LoadDepth24(&zero, &dest[0]);
+    LoadStencilHelper(source, &dest[3]);
+}
+
+void LoadDepth24Stencil8(const float *source, uint8_t *dest)
+{
+    LoadDepth24(source, &dest[0]);
+    LoadStencilHelper(source, &dest[3]);
+}
+
+void LoadDepth32F(const float *source, uint8_t *dest)
+{
+    memcpy(dest, source, sizeof(float));
+}
+
+void LoadDepth32FStencil8(const float *source, uint8_t *dest)
+{
+    LoadDepth32F(source, &dest[0]);
+    LoadStencilHelper(source, &dest[4]);
+}
+
+template <DepthStencilLoader loader>
+void CopyDepthStencil(const gl::Box &sourceArea,
+                      const gl::Box &destArea,
+                      const gl::Rectangle &clippedDestArea,
+                      const gl::Extents &sourceSize,
+                      unsigned int sourceRowPitch,
+                      unsigned int destRowPitch,
+                      ptrdiff_t readOffset,
+                      ptrdiff_t writeOffset,
+                      size_t copySize,
+                      size_t srcPixelStride,
+                      size_t destPixelStride,
+                      const uint8_t *sourceData,
+                      uint8_t *destData)
+{
+    // No stretching or subregions are supported, only full blits.
+    ASSERT(sourceArea == destArea);
+    ASSERT(sourceSize.width == sourceArea.width && sourceSize.height == sourceArea.height &&
+           sourceSize.depth == 1);
+    ASSERT(clippedDestArea.width == sourceSize.width &&
+           clippedDestArea.height == sourceSize.height);
+    ASSERT(readOffset == 0 && writeOffset == 0);
+    ASSERT(destArea.x == 0 && destArea.y == 0);
+
+    for (int row = 0; row < destArea.height; ++row)
+    {
+        for (int column = 0; column < destArea.width; ++column)
+        {
+            ptrdiff_t offset         = row * sourceRowPitch + column * srcPixelStride;
+            const float *sourcePixel = reinterpret_cast<const float *>(sourceData + offset);
+
+            uint8_t *destPixel = destData + row * destRowPitch + column * destPixelStride;
+
+            loader(sourcePixel, destPixel);
+        }
+    }
+}
+
+void Depth32FStencil8ToDepth32F(const float *source, float *dest)
+{
+    *dest = *source;
+}
+
+void Depth24Stencil8ToDepth32F(const uint32_t *source, float *dest)
+{
+    uint32_t normDepth = source[0] & 0x00FFFFFF;
+    float floatDepth   = gl::normalizedToFloat<24>(normDepth);
+    *dest              = floatDepth;
+}
+
+void BlitD24S8ToD32F(const gl::Box &sourceArea,
+                     const gl::Box &destArea,
+                     const gl::Rectangle &clippedDestArea,
+                     const gl::Extents &sourceSize,
+                     unsigned int sourceRowPitch,
+                     unsigned int destRowPitch,
+                     ptrdiff_t readOffset,
+                     ptrdiff_t writeOffset,
+                     size_t copySize,
+                     size_t srcPixelStride,
+                     size_t destPixelStride,
+                     const uint8_t *sourceData,
+                     uint8_t *destData)
+{
+    // No stretching or subregions are supported, only full blits.
+    ASSERT(sourceArea == destArea);
+    ASSERT(sourceSize.width == sourceArea.width && sourceSize.height == sourceArea.height &&
+           sourceSize.depth == 1);
+    ASSERT(clippedDestArea.width == sourceSize.width &&
+           clippedDestArea.height == sourceSize.height);
+    ASSERT(readOffset == 0 && writeOffset == 0);
+    ASSERT(destArea.x == 0 && destArea.y == 0);
+
+    for (int row = 0; row < destArea.height; ++row)
+    {
+        for (int column = 0; column < destArea.width; ++column)
+        {
+            ptrdiff_t offset            = row * sourceRowPitch + column * srcPixelStride;
+            const uint32_t *sourcePixel = reinterpret_cast<const uint32_t *>(sourceData + offset);
+
+            float *destPixel =
+                reinterpret_cast<float *>(destData + row * destRowPitch + column * destPixelStride);
+
+            Depth24Stencil8ToDepth32F(sourcePixel, destPixel);
+        }
+    }
+}
+
+void BlitD32FS8ToD32F(const gl::Box &sourceArea,
+                      const gl::Box &destArea,
+                      const gl::Rectangle &clippedDestArea,
+                      const gl::Extents &sourceSize,
+                      unsigned int sourceRowPitch,
+                      unsigned int destRowPitch,
+                      ptrdiff_t readOffset,
+                      ptrdiff_t writeOffset,
+                      size_t copySize,
+                      size_t srcPixelStride,
+                      size_t destPixelStride,
+                      const uint8_t *sourceData,
+                      uint8_t *destData)
+{
+    // No stretching or subregions are supported, only full blits.
+    ASSERT(sourceArea == destArea);
+    ASSERT(sourceSize.width == sourceArea.width && sourceSize.height == sourceArea.height &&
+           sourceSize.depth == 1);
+    ASSERT(clippedDestArea.width == sourceSize.width &&
+           clippedDestArea.height == sourceSize.height);
+    ASSERT(readOffset == 0 && writeOffset == 0);
+    ASSERT(destArea.x == 0 && destArea.y == 0);
+
+    for (int row = 0; row < destArea.height; ++row)
+    {
+        for (int column = 0; column < destArea.width; ++column)
+        {
+            ptrdiff_t offset         = row * sourceRowPitch + column * srcPixelStride;
+            const float *sourcePixel = reinterpret_cast<const float *>(sourceData + offset);
+            float *destPixel =
+                reinterpret_cast<float *>(destData + row * destRowPitch + column * destPixelStride);
+
+            Depth32FStencil8ToDepth32F(sourcePixel, destPixel);
+        }
+    }
+}
+
+Blit11::BlitConvertFunction *GetCopyDepthStencilFunction(GLenum internalFormat)
+{
+    switch (internalFormat)
+    {
+        case GL_DEPTH_COMPONENT16:
+            return &CopyDepthStencil<LoadDepth16>;
+        case GL_DEPTH_COMPONENT24:
+            return &CopyDepthStencil<LoadDepth24>;
+        case GL_DEPTH_COMPONENT32F:
+            return &CopyDepthStencil<LoadDepth32F>;
+        case GL_STENCIL_INDEX8:
+            return &CopyDepthStencil<LoadStencil8>;
+        case GL_DEPTH24_STENCIL8:
+            return &CopyDepthStencil<LoadDepth24Stencil8>;
+        case GL_DEPTH32F_STENCIL8:
+            return &CopyDepthStencil<LoadDepth32FStencil8>;
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+inline void GenerateVertexCoords(const gl::Box &sourceArea,
+                                 const gl::Extents &sourceSize,
+                                 const gl::Box &destArea,
+                                 const gl::Extents &destSize,
+                                 float *x1,
+                                 float *y1,
+                                 float *x2,
+                                 float *y2,
+                                 float *u1,
+                                 float *v1,
+                                 float *u2,
+                                 float *v2)
+{
+    *x1 = (destArea.x / float(destSize.width)) * 2.0f - 1.0f;
+    *y1 = ((destSize.height - destArea.y - destArea.height) / float(destSize.height)) * 2.0f - 1.0f;
+    *x2 = ((destArea.x + destArea.width) / float(destSize.width)) * 2.0f - 1.0f;
+    *y2 = ((destSize.height - destArea.y) / float(destSize.height)) * 2.0f - 1.0f;
+
+    *u1 = sourceArea.x / float(sourceSize.width);
+    *v1 = sourceArea.y / float(sourceSize.height);
+    *u2 = (sourceArea.x + sourceArea.width) / float(sourceSize.width);
+    *v2 = (sourceArea.y + sourceArea.height) / float(sourceSize.height);
+}
+
+void Write2DVertices(const gl::Box &sourceArea,
+                     const gl::Extents &sourceSize,
+                     const gl::Box &destArea,
+                     const gl::Extents &destSize,
+                     void *outVertices,
+                     unsigned int *outStride,
+                     unsigned int *outVertexCount,
+                     D3D11_PRIMITIVE_TOPOLOGY *outTopology)
+{
+    float x1, y1, x2, y2, u1, v1, u2, v2;
+    GenerateVertexCoords(sourceArea, sourceSize, destArea, destSize, &x1, &y1, &x2, &y2, &u1, &v1,
+                         &u2, &v2);
+
+    d3d11::PositionTexCoordVertex *vertices =
+        static_cast<d3d11::PositionTexCoordVertex *>(outVertices);
+
+    d3d11::SetPositionTexCoordVertex(&vertices[0], x1, y1, u1, v2);
+    d3d11::SetPositionTexCoordVertex(&vertices[1], x1, y2, u1, v1);
+    d3d11::SetPositionTexCoordVertex(&vertices[2], x2, y1, u2, v2);
+    d3d11::SetPositionTexCoordVertex(&vertices[3], x2, y2, u2, v1);
+
+    *outStride      = sizeof(d3d11::PositionTexCoordVertex);
+    *outVertexCount = 4;
+    *outTopology    = D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP;
+}
+
+void Write3DVertices(const gl::Box &sourceArea,
+                     const gl::Extents &sourceSize,
+                     const gl::Box &destArea,
+                     const gl::Extents &destSize,
+                     void *outVertices,
+                     unsigned int *outStride,
+                     unsigned int *outVertexCount,
+                     D3D11_PRIMITIVE_TOPOLOGY *outTopology)
+{
+    ASSERT(sourceSize.depth > 0 && destSize.depth > 0);
+
+    float x1, y1, x2, y2, u1, v1, u2, v2;
+    GenerateVertexCoords(sourceArea, sourceSize, destArea, destSize, &x1, &y1, &x2, &y2, &u1, &v1,
+                         &u2, &v2);
+
+    d3d11::PositionLayerTexCoord3DVertex *vertices =
+        static_cast<d3d11::PositionLayerTexCoord3DVertex *>(outVertices);
+
+    for (int i = 0; i < destSize.depth; i++)
+    {
+        float readDepth = (float)i / std::max(destSize.depth - 1, 1);
+
+        d3d11::SetPositionLayerTexCoord3DVertex(&vertices[i * 6 + 0], x1, y1, i, u1, v2, readDepth);
+        d3d11::SetPositionLayerTexCoord3DVertex(&vertices[i * 6 + 1], x1, y2, i, u1, v1, readDepth);
+        d3d11::SetPositionLayerTexCoord3DVertex(&vertices[i * 6 + 2], x2, y1, i, u2, v2, readDepth);
+
+        d3d11::SetPositionLayerTexCoord3DVertex(&vertices[i * 6 + 3], x1, y2, i, u1, v1, readDepth);
+        d3d11::SetPositionLayerTexCoord3DVertex(&vertices[i * 6 + 4], x2, y2, i, u2, v1, readDepth);
+        d3d11::SetPositionLayerTexCoord3DVertex(&vertices[i * 6 + 5], x2, y1, i, u2, v2, readDepth);
+    }
+
+    *outStride      = sizeof(d3d11::PositionLayerTexCoord3DVertex);
+    *outVertexCount = destSize.depth * 6;
+    *outTopology    = D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
+}
+
+unsigned int GetSwizzleIndex(GLenum swizzle)
+{
+    unsigned int colorIndex = 0;
+
+    switch (swizzle)
+    {
+        case GL_RED:
+            colorIndex = 0;
+            break;
+        case GL_GREEN:
+            colorIndex = 1;
+            break;
+        case GL_BLUE:
+            colorIndex = 2;
+            break;
+        case GL_ALPHA:
+            colorIndex = 3;
+            break;
+        case GL_ZERO:
+            colorIndex = 4;
+            break;
+        case GL_ONE:
+            colorIndex = 5;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return colorIndex;
+}
+
+D3D11_BLEND_DESC GetAlphaMaskBlendStateDesc()
+{
+    D3D11_BLEND_DESC desc;
+    memset(&desc, 0, sizeof(desc));
+    desc.RenderTarget[0].BlendEnable           = TRUE;
+    desc.RenderTarget[0].SrcBlend              = D3D11_BLEND_ONE;
+    desc.RenderTarget[0].DestBlend             = D3D11_BLEND_ZERO;
+    desc.RenderTarget[0].BlendOp               = D3D11_BLEND_OP_ADD;
+    desc.RenderTarget[0].SrcBlendAlpha         = D3D11_BLEND_ZERO;
+    desc.RenderTarget[0].DestBlendAlpha        = D3D11_BLEND_ZERO;
+    desc.RenderTarget[0].BlendOpAlpha          = D3D11_BLEND_OP_ADD;
+    desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_RED |
+                                                 D3D11_COLOR_WRITE_ENABLE_GREEN |
+                                                 D3D11_COLOR_WRITE_ENABLE_BLUE;
+    return desc;
+}
+
+D3D11_INPUT_ELEMENT_DESC quad2DLayout[] = {
+    {"POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
+    {"TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0},
+};
+
+D3D11_INPUT_ELEMENT_DESC quad3DLayout[] = {
+    {"POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
+    {"LAYER", 0, DXGI_FORMAT_R32_UINT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0},
+    {"TEXCOORD", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0},
+};
+
+DXGI_FORMAT GetStencilSRVFormat(const d3d11::Format &formatSet)
+{
+    switch (formatSet.texFormat)
+    {
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+            return DXGI_FORMAT_X32_TYPELESS_G8X24_UINT;
+        case DXGI_FORMAT_R24G8_TYPELESS:
+            return DXGI_FORMAT_X24_TYPELESS_G8_UINT;
+        default:
+            UNREACHABLE();
+            return DXGI_FORMAT_UNKNOWN;
+    }
+}
+
+}  // namespace
+
+#include "libANGLE/renderer/d3d/d3d11/Blit11Helper_autogen.inc"
+
+Blit11::Shader::Shader() = default;
+
+Blit11::Shader::Shader(Shader &&other) = default;
+
+Blit11::Shader::~Shader() = default;
+
+Blit11::Shader &Blit11::Shader::operator=(Blit11::Shader &&other) = default;
+
+Blit11::Blit11(Renderer11 *renderer)
+    : mRenderer(renderer),
+      mResourcesInitialized(false),
+      mVertexBuffer(),
+      mPointSampler(),
+      mLinearSampler(),
+      mScissorEnabledRasterizerState(),
+      mScissorDisabledRasterizerState(),
+      mDepthStencilState(),
+      mQuad2DIL(quad2DLayout,
+                ArraySize(quad2DLayout),
+                g_VS_Passthrough2D,
+                ArraySize(g_VS_Passthrough2D),
+                "Blit11 2D input layout"),
+      mQuad2DVS(g_VS_Passthrough2D, ArraySize(g_VS_Passthrough2D), "Blit11 2D vertex shader"),
+      mDepthPS(g_PS_PassthroughDepth2D,
+               ArraySize(g_PS_PassthroughDepth2D),
+               "Blit11 2D depth pixel shader"),
+      mQuad3DIL(quad3DLayout,
+                ArraySize(quad3DLayout),
+                g_VS_Passthrough3D,
+                ArraySize(g_VS_Passthrough3D),
+                "Blit11 3D input layout"),
+      mQuad3DVS(g_VS_Passthrough3D, ArraySize(g_VS_Passthrough3D), "Blit11 3D vertex shader"),
+      mQuad3DGS(g_GS_Passthrough3D, ArraySize(g_GS_Passthrough3D), "Blit11 3D geometry shader"),
+      mAlphaMaskBlendState(GetAlphaMaskBlendStateDesc(), "Blit11 Alpha Mask Blend"),
+      mSwizzleCB(),
+      mResolveDepthStencilVS(g_VS_ResolveDepthStencil,
+                             ArraySize(g_VS_ResolveDepthStencil),
+                             "Blit11::mResolveDepthStencilVS"),
+      mResolveDepthPS(g_PS_ResolveDepth, ArraySize(g_PS_ResolveDepth), "Blit11::mResolveDepthPS"),
+      mResolveDepthStencilPS(g_PS_ResolveDepthStencil,
+                             ArraySize(g_PS_ResolveDepthStencil),
+                             "Blit11::mResolveDepthStencilPS"),
+      mResolveStencilPS(g_PS_ResolveStencil,
+                        ArraySize(g_PS_ResolveStencil),
+                        "Blit11::mResolveStencilPS"),
+      mStencilSRV(),
+      mResolvedDepthStencilRTView()
+{}
+
+Blit11::~Blit11() {}
+
+angle::Result Blit11::initResources(const gl::Context *context)
+{
+    if (mResourcesInitialized)
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRACE_EVENT0("gpu.angle", "Blit11::initResources");
+
+    D3D11_BUFFER_DESC vbDesc;
+    vbDesc.ByteWidth =
+        static_cast<unsigned int>(std::max(sizeof(d3d11::PositionLayerTexCoord3DVertex),
+                                           sizeof(d3d11::PositionTexCoordVertex)) *
+                                  6 * mRenderer->getNativeCaps().max3DTextureSize);
+    vbDesc.Usage               = D3D11_USAGE_DYNAMIC;
+    vbDesc.BindFlags           = D3D11_BIND_VERTEX_BUFFER;
+    vbDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+    vbDesc.MiscFlags           = 0;
+    vbDesc.StructureByteStride = 0;
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, vbDesc, &mVertexBuffer));
+    mVertexBuffer.setInternalName("Blit11VertexBuffer");
+
+    D3D11_SAMPLER_DESC pointSamplerDesc;
+    pointSamplerDesc.Filter         = D3D11_FILTER_MIN_MAG_POINT_MIP_LINEAR;
+    pointSamplerDesc.AddressU       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    pointSamplerDesc.AddressV       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    pointSamplerDesc.AddressW       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    pointSamplerDesc.MipLODBias     = 0.0f;
+    pointSamplerDesc.MaxAnisotropy  = 0;
+    pointSamplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
+    pointSamplerDesc.BorderColor[0] = 0.0f;
+    pointSamplerDesc.BorderColor[1] = 0.0f;
+    pointSamplerDesc.BorderColor[2] = 0.0f;
+    pointSamplerDesc.BorderColor[3] = 0.0f;
+    pointSamplerDesc.MinLOD         = 0.0f;
+    pointSamplerDesc.MaxLOD         = FLT_MAX;
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, pointSamplerDesc, &mPointSampler));
+    mPointSampler.setInternalName("Blit11PointSampler");
+
+    D3D11_SAMPLER_DESC linearSamplerDesc;
+    linearSamplerDesc.Filter         = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
+    linearSamplerDesc.AddressU       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    linearSamplerDesc.AddressV       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    linearSamplerDesc.AddressW       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    linearSamplerDesc.MipLODBias     = 0.0f;
+    linearSamplerDesc.MaxAnisotropy  = 0;
+    linearSamplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
+    linearSamplerDesc.BorderColor[0] = 0.0f;
+    linearSamplerDesc.BorderColor[1] = 0.0f;
+    linearSamplerDesc.BorderColor[2] = 0.0f;
+    linearSamplerDesc.BorderColor[3] = 0.0f;
+    linearSamplerDesc.MinLOD         = 0.0f;
+    linearSamplerDesc.MaxLOD         = FLT_MAX;
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, linearSamplerDesc, &mLinearSampler));
+    mLinearSampler.setInternalName("Blit11LinearSampler");
+
+    // Use a rasterizer state that will not cull so that inverted quads will not be culled
+    D3D11_RASTERIZER_DESC rasterDesc;
+    rasterDesc.FillMode              = D3D11_FILL_SOLID;
+    rasterDesc.CullMode              = D3D11_CULL_NONE;
+    rasterDesc.FrontCounterClockwise = FALSE;
+    rasterDesc.DepthBias             = 0;
+    rasterDesc.SlopeScaledDepthBias  = 0.0f;
+    rasterDesc.DepthBiasClamp        = 0.0f;
+    rasterDesc.DepthClipEnable       = TRUE;
+    rasterDesc.MultisampleEnable     = FALSE;
+    rasterDesc.AntialiasedLineEnable = FALSE;
+
+    rasterDesc.ScissorEnable = TRUE;
+    ANGLE_TRY(mRenderer->allocateResource(context11, rasterDesc, &mScissorEnabledRasterizerState));
+    mScissorEnabledRasterizerState.setInternalName("Blit11ScissoringRasterizerState");
+
+    rasterDesc.ScissorEnable = FALSE;
+    ANGLE_TRY(mRenderer->allocateResource(context11, rasterDesc, &mScissorDisabledRasterizerState));
+    mScissorDisabledRasterizerState.setInternalName("Blit11NoScissoringRasterizerState");
+
+    D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
+    depthStencilDesc.DepthEnable                  = TRUE;
+    depthStencilDesc.DepthWriteMask               = D3D11_DEPTH_WRITE_MASK_ALL;
+    depthStencilDesc.DepthFunc                    = D3D11_COMPARISON_ALWAYS;
+    depthStencilDesc.StencilEnable                = FALSE;
+    depthStencilDesc.StencilReadMask              = D3D11_DEFAULT_STENCIL_READ_MASK;
+    depthStencilDesc.StencilWriteMask             = D3D11_DEFAULT_STENCIL_WRITE_MASK;
+    depthStencilDesc.FrontFace.StencilFailOp      = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.FrontFace.StencilPassOp      = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.FrontFace.StencilFunc        = D3D11_COMPARISON_ALWAYS;
+    depthStencilDesc.BackFace.StencilFailOp       = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.BackFace.StencilDepthFailOp  = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.BackFace.StencilPassOp       = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.BackFace.StencilFunc         = D3D11_COMPARISON_ALWAYS;
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, depthStencilDesc, &mDepthStencilState));
+    mDepthStencilState.setInternalName("Blit11DepthStencilState");
+
+    D3D11_BUFFER_DESC swizzleBufferDesc;
+    swizzleBufferDesc.ByteWidth           = sizeof(unsigned int) * 4;
+    swizzleBufferDesc.Usage               = D3D11_USAGE_DYNAMIC;
+    swizzleBufferDesc.BindFlags           = D3D11_BIND_CONSTANT_BUFFER;
+    swizzleBufferDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+    swizzleBufferDesc.MiscFlags           = 0;
+    swizzleBufferDesc.StructureByteStride = 0;
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, swizzleBufferDesc, &mSwizzleCB));
+    mSwizzleCB.setInternalName("Blit11SwizzleConstantBuffer");
+
+    mResourcesInitialized = true;
+
+    return angle::Result::Continue;
+}
+
+// static
+Blit11::SwizzleShaderType Blit11::GetSwizzleShaderType(GLenum type,
+                                                       D3D11_SRV_DIMENSION dimensionality)
+{
+    switch (dimensionality)
+    {
+        case D3D11_SRV_DIMENSION_TEXTURE2D:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return SWIZZLESHADER_2D_FLOAT;
+                case GL_UNSIGNED_INT:
+                    return SWIZZLESHADER_2D_UINT;
+                case GL_INT:
+                    return SWIZZLESHADER_2D_INT;
+                default:
+                    UNREACHABLE();
+                    return SWIZZLESHADER_INVALID;
+            }
+        case D3D11_SRV_DIMENSION_TEXTURECUBE:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return SWIZZLESHADER_CUBE_FLOAT;
+                case GL_UNSIGNED_INT:
+                    return SWIZZLESHADER_CUBE_UINT;
+                case GL_INT:
+                    return SWIZZLESHADER_CUBE_INT;
+                default:
+                    UNREACHABLE();
+                    return SWIZZLESHADER_INVALID;
+            }
+        case D3D11_SRV_DIMENSION_TEXTURE3D:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return SWIZZLESHADER_3D_FLOAT;
+                case GL_UNSIGNED_INT:
+                    return SWIZZLESHADER_3D_UINT;
+                case GL_INT:
+                    return SWIZZLESHADER_3D_INT;
+                default:
+                    UNREACHABLE();
+                    return SWIZZLESHADER_INVALID;
+            }
+        case D3D11_SRV_DIMENSION_TEXTURE2DARRAY:
+            switch (type)
+            {
+                case GL_FLOAT:
+                    return SWIZZLESHADER_ARRAY_FLOAT;
+                case GL_UNSIGNED_INT:
+                    return SWIZZLESHADER_ARRAY_UINT;
+                case GL_INT:
+                    return SWIZZLESHADER_ARRAY_INT;
+                default:
+                    UNREACHABLE();
+                    return SWIZZLESHADER_INVALID;
+            }
+        default:
+            UNREACHABLE();
+            return SWIZZLESHADER_INVALID;
+    }
+}
+
+angle::Result Blit11::getShaderSupport(const gl::Context *context,
+                                       const Shader &shader,
+                                       Blit11::ShaderSupport *supportOut)
+{
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    switch (shader.dimension)
+    {
+        case SHADER_2D:
+        {
+            ANGLE_TRY(mQuad2DIL.resolve(context11, mRenderer));
+            ANGLE_TRY(mQuad2DVS.resolve(context11, mRenderer));
+            supportOut->inputLayout         = &mQuad2DIL.getObj();
+            supportOut->vertexShader        = &mQuad2DVS.getObj();
+            supportOut->geometryShader      = nullptr;
+            supportOut->vertexWriteFunction = Write2DVertices;
+            break;
+        }
+        case SHADER_3D:
+        case SHADER_2DARRAY:
+        {
+            ANGLE_TRY(mQuad3DIL.resolve(context11, mRenderer));
+            ANGLE_TRY(mQuad3DVS.resolve(context11, mRenderer));
+            ANGLE_TRY(mQuad3DGS.resolve(context11, mRenderer));
+            supportOut->inputLayout         = &mQuad3DIL.getObj();
+            supportOut->vertexShader        = &mQuad3DVS.getObj();
+            supportOut->geometryShader      = &mQuad3DGS.getObj();
+            supportOut->vertexWriteFunction = Write3DVertices;
+            break;
+        }
+        default:
+            UNREACHABLE();
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::swizzleTexture(const gl::Context *context,
+                                     const d3d11::SharedSRV &source,
+                                     const d3d11::RenderTargetView &dest,
+                                     const gl::Extents &size,
+                                     const gl::SwizzleState &swizzleTarget)
+{
+    ANGLE_TRY(initResources(context));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC sourceSRVDesc;
+    source.get()->GetDesc(&sourceSRVDesc);
+
+    GLenum componentType = d3d11::GetComponentType(sourceSRVDesc.Format);
+    if (componentType == GL_NONE)
+    {
+        // We're swizzling the depth component of a depth-stencil texture.
+        switch (sourceSRVDesc.Format)
+        {
+            case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+                componentType = GL_UNSIGNED_NORMALIZED;
+                break;
+            case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+                componentType = GL_FLOAT;
+                break;
+            default:
+                UNREACHABLE();
+                break;
+        }
+    }
+
+    GLenum shaderType = GL_NONE;
+    switch (componentType)
+    {
+        case GL_UNSIGNED_NORMALIZED:
+        case GL_SIGNED_NORMALIZED:
+        case GL_FLOAT:
+            shaderType = GL_FLOAT;
+            break;
+        case GL_INT:
+            shaderType = GL_INT;
+            break;
+        case GL_UNSIGNED_INT:
+            shaderType = GL_UNSIGNED_INT;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    const Shader *shader = nullptr;
+    ANGLE_TRY(getSwizzleShader(context, shaderType, sourceSRVDesc.ViewDimension, &shader));
+
+    // Set vertices
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    ANGLE_TRY(mRenderer->mapResource(context, mVertexBuffer.get(), 0, D3D11_MAP_WRITE_DISCARD, 0,
+                                     &mappedResource));
+
+    ShaderSupport support;
+    ANGLE_TRY(getShaderSupport(context, *shader, &support));
+
+    UINT stride    = 0;
+    UINT drawCount = 0;
+    D3D11_PRIMITIVE_TOPOLOGY topology;
+
+    gl::Box area(0, 0, 0, size.width, size.height, size.depth);
+    support.vertexWriteFunction(area, size, area, size, mappedResource.pData, &stride, &drawCount,
+                                &topology);
+
+    deviceContext->Unmap(mVertexBuffer.get(), 0);
+
+    // Set constant buffer
+    ANGLE_TRY(mRenderer->mapResource(context, mSwizzleCB.get(), 0, D3D11_MAP_WRITE_DISCARD, 0,
+                                     &mappedResource));
+
+    unsigned int *swizzleIndices = static_cast<unsigned int *>(mappedResource.pData);
+    swizzleIndices[0]            = GetSwizzleIndex(swizzleTarget.swizzleRed);
+    swizzleIndices[1]            = GetSwizzleIndex(swizzleTarget.swizzleGreen);
+    swizzleIndices[2]            = GetSwizzleIndex(swizzleTarget.swizzleBlue);
+    swizzleIndices[3]            = GetSwizzleIndex(swizzleTarget.swizzleAlpha);
+
+    deviceContext->Unmap(mSwizzleCB.get(), 0);
+
+    StateManager11 *stateManager = mRenderer->getStateManager();
+
+    // Apply vertex buffer
+    stateManager->setSingleVertexBuffer(&mVertexBuffer, stride, 0);
+
+    // Apply constant buffer
+    stateManager->setPixelConstantBuffer(0, &mSwizzleCB);
+
+    // Apply state
+    stateManager->setSimpleBlendState(nullptr);
+    stateManager->setDepthStencilState(nullptr, 0xFFFFFFFF);
+    stateManager->setRasterizerState(&mScissorDisabledRasterizerState);
+
+    // Apply shaders
+    stateManager->setInputLayout(support.inputLayout);
+    stateManager->setPrimitiveTopology(topology);
+
+    stateManager->setDrawShaders(support.vertexShader, support.geometryShader,
+                                 &shader->pixelShader);
+
+    // Apply render target
+    stateManager->setRenderTarget(dest.get(), nullptr);
+
+    // Set the viewport
+    stateManager->setSimpleViewport(size);
+
+    // Apply textures and sampler
+    stateManager->setSimplePixelTextureAndSampler(source, mPointSampler);
+
+    // Draw the quad
+    deviceContext->Draw(drawCount, 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::copyTexture(const gl::Context *context,
+                                  const d3d11::SharedSRV &source,
+                                  const gl::Box &sourceArea,
+                                  const gl::Extents &sourceSize,
+                                  GLenum sourceFormat,
+                                  const d3d11::RenderTargetView &dest,
+                                  const gl::Box &destArea,
+                                  const gl::Extents &destSize,
+                                  const gl::Rectangle *scissor,
+                                  GLenum destFormat,
+                                  GLenum destTypeForDownsampling,
+                                  GLenum filter,
+                                  bool maskOffAlpha,
+                                  bool unpackPremultiplyAlpha,
+                                  bool unpackUnmultiplyAlpha)
+{
+    ANGLE_TRY(initResources(context));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    // Determine if the source format is a signed integer format, the destFormat will already
+    // be GL_XXXX_INTEGER but it does not tell us if it is signed or unsigned.
+    D3D11_SHADER_RESOURCE_VIEW_DESC sourceSRVDesc;
+    source.get()->GetDesc(&sourceSRVDesc);
+
+    GLenum componentType = d3d11::GetComponentType(sourceSRVDesc.Format);
+
+    ASSERT(componentType != GL_NONE);
+    ASSERT(componentType != GL_SIGNED_NORMALIZED);
+    bool isSrcSigned = (componentType == GL_INT);
+
+    D3D11_RENDER_TARGET_VIEW_DESC destRTVDesc;
+    dest.get()->GetDesc(&destRTVDesc);
+
+    GLenum destComponentType = d3d11::GetComponentType(destRTVDesc.Format);
+
+    ASSERT(componentType != GL_NONE);
+    bool isDestSigned = (destComponentType == GL_INT);
+
+    ShaderDimension dimension = SHADER_INVALID;
+
+    switch (sourceSRVDesc.ViewDimension)
+    {
+        case D3D11_SRV_DIMENSION_TEXTURE2D:
+            dimension = SHADER_2D;
+            break;
+        case D3D11_SRV_DIMENSION_TEXTURE3D:
+            dimension = SHADER_3D;
+            break;
+        case D3D11_SRV_DIMENSION_TEXTURE2DARRAY:
+            dimension = SHADER_2DARRAY;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    const Shader *shader = nullptr;
+
+    ANGLE_TRY(getBlitShader(context, destFormat, sourceFormat, isSrcSigned, isDestSigned,
+                            unpackPremultiplyAlpha, unpackUnmultiplyAlpha, destTypeForDownsampling,
+                            dimension, &shader));
+
+    ShaderSupport support;
+    ANGLE_TRY(getShaderSupport(context, *shader, &support));
+
+    // Set vertices
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    ANGLE_TRY(mRenderer->mapResource(context, mVertexBuffer.get(), 0, D3D11_MAP_WRITE_DISCARD, 0,
+                                     &mappedResource));
+
+    UINT stride    = 0;
+    UINT drawCount = 0;
+    D3D11_PRIMITIVE_TOPOLOGY topology;
+
+    support.vertexWriteFunction(sourceArea, sourceSize, destArea, destSize, mappedResource.pData,
+                                &stride, &drawCount, &topology);
+
+    deviceContext->Unmap(mVertexBuffer.get(), 0);
+
+    StateManager11 *stateManager = mRenderer->getStateManager();
+
+    // Apply vertex buffer
+    stateManager->setSingleVertexBuffer(&mVertexBuffer, stride, 0);
+
+    // Apply state
+    if (maskOffAlpha)
+    {
+        ANGLE_TRY(mAlphaMaskBlendState.resolve(GetImplAs<Context11>(context), mRenderer));
+        stateManager->setSimpleBlendState(&mAlphaMaskBlendState.getObj());
+    }
+    else
+    {
+        stateManager->setSimpleBlendState(nullptr);
+    }
+    stateManager->setDepthStencilState(nullptr, 0xFFFFFFFF);
+
+    if (scissor)
+    {
+        stateManager->setSimpleScissorRect(*scissor);
+        stateManager->setRasterizerState(&mScissorEnabledRasterizerState);
+    }
+    else
+    {
+        stateManager->setRasterizerState(&mScissorDisabledRasterizerState);
+    }
+
+    // Apply shaders
+    stateManager->setInputLayout(support.inputLayout);
+    stateManager->setPrimitiveTopology(topology);
+
+    stateManager->setDrawShaders(support.vertexShader, support.geometryShader,
+                                 &shader->pixelShader);
+
+    // Apply render target
+    stateManager->setRenderTarget(dest.get(), nullptr);
+
+    // Set the viewport
+    stateManager->setSimpleViewport(destSize);
+
+    // Apply texture and sampler
+    switch (filter)
+    {
+        case GL_NEAREST:
+            stateManager->setSimplePixelTextureAndSampler(source, mPointSampler);
+            break;
+        case GL_LINEAR:
+            stateManager->setSimplePixelTextureAndSampler(source, mLinearSampler);
+            break;
+
+        default:
+            UNREACHABLE();
+            ANGLE_TRY_HR(GetImplAs<Context11>(context), E_FAIL,
+                         "Internal error, unknown blit filter mode.");
+    }
+
+    // Draw the quad
+    deviceContext->Draw(drawCount, 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::copyStencil(const gl::Context *context,
+                                  const TextureHelper11 &source,
+                                  unsigned int sourceSubresource,
+                                  const gl::Box &sourceArea,
+                                  const gl::Extents &sourceSize,
+                                  const TextureHelper11 &dest,
+                                  unsigned int destSubresource,
+                                  const gl::Box &destArea,
+                                  const gl::Extents &destSize,
+                                  const gl::Rectangle *scissor)
+{
+    return copyDepthStencilImpl(context, source, sourceSubresource, sourceArea, sourceSize, dest,
+                                destSubresource, destArea, destSize, scissor, true);
+}
+
+angle::Result Blit11::copyDepth(const gl::Context *context,
+                                const d3d11::SharedSRV &source,
+                                const gl::Box &sourceArea,
+                                const gl::Extents &sourceSize,
+                                const d3d11::DepthStencilView &dest,
+                                const gl::Box &destArea,
+                                const gl::Extents &destSize,
+                                const gl::Rectangle *scissor)
+{
+    ANGLE_TRY(initResources(context));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    // Set vertices
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    ANGLE_TRY(mRenderer->mapResource(context, mVertexBuffer.get(), 0, D3D11_MAP_WRITE_DISCARD, 0,
+                                     &mappedResource));
+
+    UINT stride    = 0;
+    UINT drawCount = 0;
+    D3D11_PRIMITIVE_TOPOLOGY topology;
+
+    Write2DVertices(sourceArea, sourceSize, destArea, destSize, mappedResource.pData, &stride,
+                    &drawCount, &topology);
+
+    deviceContext->Unmap(mVertexBuffer.get(), 0);
+
+    StateManager11 *stateManager = mRenderer->getStateManager();
+
+    // Apply vertex buffer
+    stateManager->setSingleVertexBuffer(&mVertexBuffer, stride, 0);
+
+    // Apply state
+    stateManager->setSimpleBlendState(nullptr);
+    stateManager->setDepthStencilState(&mDepthStencilState, 0xFFFFFFFF);
+
+    if (scissor)
+    {
+        stateManager->setSimpleScissorRect(*scissor);
+        stateManager->setRasterizerState(&mScissorEnabledRasterizerState);
+    }
+    else
+    {
+        stateManager->setRasterizerState(&mScissorDisabledRasterizerState);
+    }
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(mQuad2DIL.resolve(context11, mRenderer));
+    ANGLE_TRY(mQuad2DVS.resolve(context11, mRenderer));
+    ANGLE_TRY(mDepthPS.resolve(context11, mRenderer));
+
+    // Apply shaders
+    stateManager->setInputLayout(&mQuad2DIL.getObj());
+    stateManager->setPrimitiveTopology(topology);
+
+    stateManager->setDrawShaders(&mQuad2DVS.getObj(), nullptr, &mDepthPS.getObj());
+
+    // Apply render target
+    stateManager->setRenderTarget(nullptr, dest.get());
+
+    // Set the viewport
+    stateManager->setSimpleViewport(destSize);
+
+    // Apply texture and sampler
+    stateManager->setSimplePixelTextureAndSampler(source, mPointSampler);
+
+    // Draw the quad
+    deviceContext->Draw(drawCount, 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::copyDepthStencil(const gl::Context *context,
+                                       const TextureHelper11 &source,
+                                       unsigned int sourceSubresource,
+                                       const gl::Box &sourceArea,
+                                       const gl::Extents &sourceSize,
+                                       const TextureHelper11 &dest,
+                                       unsigned int destSubresource,
+                                       const gl::Box &destArea,
+                                       const gl::Extents &destSize,
+                                       const gl::Rectangle *scissor)
+{
+    return copyDepthStencilImpl(context, source, sourceSubresource, sourceArea, sourceSize, dest,
+                                destSubresource, destArea, destSize, scissor, false);
+}
+
+angle::Result Blit11::copyDepthStencilImpl(const gl::Context *context,
+                                           const TextureHelper11 &source,
+                                           unsigned int sourceSubresource,
+                                           const gl::Box &sourceArea,
+                                           const gl::Extents &sourceSize,
+                                           const TextureHelper11 &dest,
+                                           unsigned int destSubresource,
+                                           const gl::Box &destArea,
+                                           const gl::Extents &destSize,
+                                           const gl::Rectangle *scissor,
+                                           bool stencilOnly)
+{
+    auto srcDXGIFormat         = source.getFormat();
+    const auto &srcSizeInfo    = d3d11::GetDXGIFormatSizeInfo(srcDXGIFormat);
+    unsigned int srcPixelSize  = srcSizeInfo.pixelBytes;
+    unsigned int copyOffset    = 0;
+    unsigned int copySize      = srcPixelSize;
+    auto destDXGIFormat        = dest.getFormat();
+    const auto &destSizeInfo   = d3d11::GetDXGIFormatSizeInfo(destDXGIFormat);
+    unsigned int destPixelSize = destSizeInfo.pixelBytes;
+
+    ASSERT(srcDXGIFormat == destDXGIFormat || destDXGIFormat == DXGI_FORMAT_R32_TYPELESS);
+
+    if (stencilOnly)
+    {
+        const auto &srcFormat = source.getFormatSet().format();
+
+        // Stencil channel should be right after the depth channel. Some views to depth/stencil
+        // resources have red channel for depth, in which case the depth channel bit width is in
+        // redBits.
+        ASSERT((srcFormat.redBits != 0) != (srcFormat.depthBits != 0));
+        GLuint depthBits = srcFormat.redBits + srcFormat.depthBits;
+        // Known formats have either 24 or 32 bits of depth.
+        ASSERT(depthBits == 24 || depthBits == 32);
+        copyOffset = depthBits / 8;
+
+        // Stencil is assumed to be 8-bit - currently this is true for all possible formats.
+        copySize = 1;
+    }
+
+    if (srcDXGIFormat != destDXGIFormat)
+    {
+        if (srcDXGIFormat == DXGI_FORMAT_R24G8_TYPELESS)
+        {
+            ASSERT(sourceArea == destArea && sourceSize == destSize && scissor == nullptr);
+            return copyAndConvert(context, source, sourceSubresource, sourceArea, sourceSize, dest,
+                                  destSubresource, destArea, destSize, scissor, copyOffset,
+                                  copyOffset, copySize, srcPixelSize, destPixelSize,
+                                  BlitD24S8ToD32F);
+        }
+        ASSERT(srcDXGIFormat == DXGI_FORMAT_R32G8X24_TYPELESS);
+        return copyAndConvert(context, source, sourceSubresource, sourceArea, sourceSize, dest,
+                              destSubresource, destArea, destSize, scissor, copyOffset, copyOffset,
+                              copySize, srcPixelSize, destPixelSize, BlitD32FS8ToD32F);
+    }
+
+    return copyAndConvert(context, source, sourceSubresource, sourceArea, sourceSize, dest,
+                          destSubresource, destArea, destSize, scissor, copyOffset, copyOffset,
+                          copySize, srcPixelSize, destPixelSize, StretchedBlitNearest);
+}
+
+angle::Result Blit11::copyAndConvertImpl(const gl::Context *context,
+                                         const TextureHelper11 &source,
+                                         unsigned int sourceSubresource,
+                                         const gl::Box &sourceArea,
+                                         const gl::Extents &sourceSize,
+                                         const TextureHelper11 &destStaging,
+                                         const gl::Box &destArea,
+                                         const gl::Extents &destSize,
+                                         const gl::Rectangle *scissor,
+                                         size_t readOffset,
+                                         size_t writeOffset,
+                                         size_t copySize,
+                                         size_t srcPixelStride,
+                                         size_t destPixelStride,
+                                         BlitConvertFunction *convertFunction)
+{
+    ANGLE_TRY(initResources(context));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    TextureHelper11 sourceStaging;
+    ANGLE_TRY(mRenderer->createStagingTexture(context, ResourceType::Texture2D,
+                                              source.getFormatSet(), sourceSize,
+                                              StagingAccess::READ, &sourceStaging));
+
+    deviceContext->CopySubresourceRegion(sourceStaging.get(), 0, 0, 0, 0, source.get(),
+                                         sourceSubresource, nullptr);
+
+    D3D11_MAPPED_SUBRESOURCE sourceMapping;
+    ANGLE_TRY(
+        mRenderer->mapResource(context, sourceStaging.get(), 0, D3D11_MAP_READ, 0, &sourceMapping));
+
+    D3D11_MAPPED_SUBRESOURCE destMapping;
+    angle::Result error =
+        mRenderer->mapResource(context, destStaging.get(), 0, D3D11_MAP_WRITE, 0, &destMapping);
+    if (error == angle::Result::Stop)
+    {
+        deviceContext->Unmap(sourceStaging.get(), 0);
+        return error;
+    }
+
+    // Clip dest area to the destination size
+    gl::Rectangle clipRect = gl::Rectangle(0, 0, destSize.width, destSize.height);
+
+    // Clip dest area to the scissor
+    if (scissor)
+    {
+        if (!gl::ClipRectangle(clipRect, *scissor, &clipRect))
+        {
+            return angle::Result::Continue;
+        }
+    }
+
+    convertFunction(sourceArea, destArea, clipRect, sourceSize, sourceMapping.RowPitch,
+                    destMapping.RowPitch, readOffset, writeOffset, copySize, srcPixelStride,
+                    destPixelStride, static_cast<const uint8_t *>(sourceMapping.pData),
+                    static_cast<uint8_t *>(destMapping.pData));
+
+    deviceContext->Unmap(sourceStaging.get(), 0);
+    deviceContext->Unmap(destStaging.get(), 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::copyAndConvert(const gl::Context *context,
+                                     const TextureHelper11 &source,
+                                     unsigned int sourceSubresource,
+                                     const gl::Box &sourceArea,
+                                     const gl::Extents &sourceSize,
+                                     const TextureHelper11 &dest,
+                                     unsigned int destSubresource,
+                                     const gl::Box &destArea,
+                                     const gl::Extents &destSize,
+                                     const gl::Rectangle *scissor,
+                                     size_t readOffset,
+                                     size_t writeOffset,
+                                     size_t copySize,
+                                     size_t srcPixelStride,
+                                     size_t destPixelStride,
+                                     BlitConvertFunction *convertFunction)
+{
+    ANGLE_TRY(initResources(context));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    // HACK: Create the destination staging buffer as a read/write texture so
+    // ID3D11DevicContext::UpdateSubresource can be called
+    //       using it's mapped data as a source
+    TextureHelper11 destStaging;
+    ANGLE_TRY(mRenderer->createStagingTexture(context, ResourceType::Texture2D, dest.getFormatSet(),
+                                              destSize, StagingAccess::READ_WRITE, &destStaging));
+
+    deviceContext->CopySubresourceRegion(destStaging.get(), 0, 0, 0, 0, dest.get(), destSubresource,
+                                         nullptr);
+
+    ANGLE_TRY(copyAndConvertImpl(context, source, sourceSubresource, sourceArea, sourceSize,
+                                 destStaging, destArea, destSize, scissor, readOffset, writeOffset,
+                                 copySize, srcPixelStride, destPixelStride, convertFunction));
+
+    // Work around timeouts/TDRs in older NVIDIA drivers.
+    if (mRenderer->getFeatures().depthStencilBlitExtraCopy.enabled)
+    {
+        D3D11_MAPPED_SUBRESOURCE mapped;
+        ANGLE_TRY(
+            mRenderer->mapResource(context, destStaging.get(), 0, D3D11_MAP_READ, 0, &mapped));
+        deviceContext->UpdateSubresource(dest.get(), destSubresource, nullptr, mapped.pData,
+                                         mapped.RowPitch, mapped.DepthPitch);
+        deviceContext->Unmap(destStaging.get(), 0);
+    }
+    else
+    {
+        deviceContext->CopySubresourceRegion(dest.get(), destSubresource, 0, 0, 0,
+                                             destStaging.get(), 0, nullptr);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::addBlitShaderToMap(const gl::Context *context,
+                                         BlitShaderType blitShaderType,
+                                         ShaderDimension dimension,
+                                         const ShaderData &shaderData,
+                                         const char *name)
+{
+    ASSERT(mBlitShaderMap.find(blitShaderType) == mBlitShaderMap.end());
+
+    d3d11::PixelShader ps;
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), shaderData, &ps));
+    ps.setInternalName(name);
+
+    Shader shader;
+    shader.dimension   = dimension;
+    shader.pixelShader = std::move(ps);
+
+    mBlitShaderMap[blitShaderType] = std::move(shader);
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::addSwizzleShaderToMap(const gl::Context *context,
+                                            SwizzleShaderType swizzleShaderType,
+                                            ShaderDimension dimension,
+                                            const ShaderData &shaderData,
+                                            const char *name)
+{
+    ASSERT(mSwizzleShaderMap.find(swizzleShaderType) == mSwizzleShaderMap.end());
+
+    d3d11::PixelShader ps;
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), shaderData, &ps));
+    ps.setInternalName(name);
+
+    Shader shader;
+    shader.dimension   = dimension;
+    shader.pixelShader = std::move(ps);
+
+    mSwizzleShaderMap[swizzleShaderType] = std::move(shader);
+    return angle::Result::Continue;
+}
+
+void Blit11::clearShaderMap()
+{
+    mBlitShaderMap.clear();
+    mSwizzleShaderMap.clear();
+}
+
+Blit11::BlitShaderOperation Blit11::getBlitShaderOperation(GLenum destinationFormat,
+                                                           GLenum sourceFormat,
+                                                           bool isSrcSigned,
+                                                           bool isDestSigned,
+                                                           bool unpackPremultiplyAlpha,
+                                                           bool unpackUnmultiplyAlpha,
+                                                           GLenum destTypeForDownsampling)
+{
+    bool floatToIntBlit =
+        !gl::IsIntegerFormat(sourceFormat) && gl::IsIntegerFormat(destinationFormat);
+
+    if (isSrcSigned)
+    {
+        ASSERT(!unpackPremultiplyAlpha && !unpackUnmultiplyAlpha);
+        switch (destinationFormat)
+        {
+            case GL_RGBA_INTEGER:
+                return RGBAI;
+            case GL_RGB_INTEGER:
+                return RGBI;
+            case GL_RG_INTEGER:
+                return RGI;
+            case GL_RED_INTEGER:
+                return RI;
+            default:
+                UNREACHABLE();
+                return OPERATION_INVALID;
+        }
+    }
+    else if (isDestSigned)
+    {
+        ASSERT(floatToIntBlit);
+
+        switch (destinationFormat)
+        {
+            case GL_RGBA_INTEGER:
+                if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                {
+                    return RGBAF_TOI;
+                }
+                return unpackPremultiplyAlpha ? RGBAF_TOI_PREMULTIPLY : RGBAF_TOI_UNMULTIPLY;
+            case GL_RGB_INTEGER:
+            case GL_RG_INTEGER:
+            case GL_RED_INTEGER:
+                if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                {
+                    return RGBF_TOI;
+                }
+                return unpackPremultiplyAlpha ? RGBF_TOI_PREMULTIPLY : RGBF_TOI_UNMULTIPLY;
+            default:
+                UNREACHABLE();
+                return OPERATION_INVALID;
+        }
+    }
+    else
+    {
+        // Check for the downsample formats first
+        switch (destTypeForDownsampling)
+        {
+            case GL_UNSIGNED_SHORT_4_4_4_4:
+                ASSERT(destinationFormat == GL_RGBA && !floatToIntBlit);
+                if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                {
+                    return RGBAF_4444;
+                }
+                else if (unpackPremultiplyAlpha)
+                {
+                    return RGBAF_4444_PREMULTIPLY;
+                }
+                else
+                {
+                    return RGBAF_4444_UNMULTIPLY;
+                }
+
+            case GL_UNSIGNED_SHORT_5_6_5:
+                ASSERT(destinationFormat == GL_RGB && !floatToIntBlit);
+                if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                {
+                    return RGBF_565;
+                }
+                else
+                {
+                    return unpackPremultiplyAlpha ? RGBF_565_PREMULTIPLY : RGBF_565_UNMULTIPLY;
+                }
+            case GL_UNSIGNED_SHORT_5_5_5_1:
+                if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                {
+                    return RGBAF_5551;
+                }
+                else
+                {
+                    return unpackPremultiplyAlpha ? RGBAF_5551_PREMULTIPLY : RGBAF_5551_UNMULTIPLY;
+                }
+
+            default:
+                // By default, use the regular passthrough/multiply/unmultiply shaders.  The above
+                // shaders are only needed for some emulated texture formats.
+                break;
+        }
+
+        if (unpackPremultiplyAlpha != unpackUnmultiplyAlpha || floatToIntBlit)
+        {
+            switch (destinationFormat)
+            {
+                case GL_RGBA:
+                case GL_BGRA_EXT:
+                    ASSERT(!floatToIntBlit);
+                    return unpackPremultiplyAlpha ? RGBAF_PREMULTIPLY : RGBAF_UNMULTIPLY;
+                case GL_RGB:
+                case GL_RG:
+                case GL_RED:
+                    if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                    {
+                        return RGBF_TOUI;
+                    }
+                    else
+                    {
+                        return unpackPremultiplyAlpha ? RGBF_PREMULTIPLY : RGBF_UNMULTIPLY;
+                    }
+                case GL_RGBA_INTEGER:
+                    if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                    {
+                        return RGBAF_TOUI;
+                    }
+                    else
+                    {
+                        return unpackPremultiplyAlpha ? RGBAF_TOUI_PREMULTIPLY
+                                                      : RGBAF_TOUI_UNMULTIPLY;
+                    }
+                case GL_RGB_INTEGER:
+                case GL_RG_INTEGER:
+                case GL_RED_INTEGER:
+                    if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha)
+                    {
+                        return RGBF_TOUI;
+                    }
+                    else
+                    {
+                        return unpackPremultiplyAlpha ? RGBF_TOUI_PREMULTIPLY
+                                                      : RGBF_TOUI_UNMULTIPLY;
+                    }
+                case GL_LUMINANCE:
+                    ASSERT(!floatToIntBlit);
+                    return unpackPremultiplyAlpha ? LUMAF_PREMULTIPLY : LUMAF_UNMULTIPLY;
+
+                case GL_LUMINANCE_ALPHA:
+                    ASSERT(!floatToIntBlit);
+                    return unpackPremultiplyAlpha ? LUMAALPHAF_PREMULTIPLY : LUMAALPHAF_UNMULTIPLY;
+                case GL_ALPHA:
+                    return ALPHA;
+                default:
+                    UNREACHABLE();
+                    return OPERATION_INVALID;
+            }
+        }
+        else
+        {
+            switch (destinationFormat)
+            {
+                case GL_RGBA:
+                    return RGBAF;
+                case GL_RGBA_INTEGER:
+                    return RGBAUI;
+                case GL_BGRA_EXT:
+                    return BGRAF;
+                case GL_RGB:
+                    return RGBF;
+                case GL_RGB_INTEGER:
+                    return RGBUI;
+                case GL_RG:
+                    return RGF;
+                case GL_RG_INTEGER:
+                    return RGUI;
+                case GL_RED:
+                    return RF;
+                case GL_RED_INTEGER:
+                    return RUI;
+                case GL_ALPHA:
+                    return ALPHA;
+                case GL_LUMINANCE:
+                    return LUMA;
+                case GL_LUMINANCE_ALPHA:
+                    return LUMAALPHA;
+                default:
+                    UNREACHABLE();
+                    return OPERATION_INVALID;
+            }
+        }
+    }
+}
+
+angle::Result Blit11::getBlitShader(const gl::Context *context,
+                                    GLenum destFormat,
+                                    GLenum sourceFormat,
+                                    bool isSrcSigned,
+                                    bool isDestSigned,
+                                    bool unpackPremultiplyAlpha,
+                                    bool unpackUnmultiplyAlpha,
+                                    GLenum destTypeForDownsampling,
+                                    ShaderDimension dimension,
+                                    const Shader **shader)
+{
+    BlitShaderOperation blitShaderOperation = OPERATION_INVALID;
+
+    blitShaderOperation = getBlitShaderOperation(destFormat, sourceFormat, isSrcSigned,
+                                                 isDestSigned, unpackPremultiplyAlpha,
+                                                 unpackUnmultiplyAlpha, destTypeForDownsampling);
+
+    BlitShaderType blitShaderType = BLITSHADER_INVALID;
+
+    blitShaderType = getBlitShaderType(blitShaderOperation, dimension);
+
+    ANGLE_CHECK_HR(GetImplAs<Context11>(context), blitShaderType != BLITSHADER_INVALID,
+                   "Internal blit shader type mismatch", E_FAIL);
+
+    auto blitShaderIt = mBlitShaderMap.find(blitShaderType);
+    if (blitShaderIt != mBlitShaderMap.end())
+    {
+        *shader = &blitShaderIt->second;
+        return angle::Result::Continue;
+    }
+
+    ASSERT(dimension == SHADER_2D || mRenderer->isES3Capable());
+
+    ANGLE_TRY(mapBlitShader(context, blitShaderType));
+
+    blitShaderIt = mBlitShaderMap.find(blitShaderType);
+    ASSERT(blitShaderIt != mBlitShaderMap.end());
+    *shader = &blitShaderIt->second;
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::getSwizzleShader(const gl::Context *context,
+                                       GLenum type,
+                                       D3D11_SRV_DIMENSION viewDimension,
+                                       const Shader **shader)
+{
+    SwizzleShaderType swizzleShaderType = GetSwizzleShaderType(type, viewDimension);
+
+    ANGLE_CHECK_HR(GetImplAs<Context11>(context), swizzleShaderType != SWIZZLESHADER_INVALID,
+                   "Swizzle shader type not found", E_FAIL);
+
+    auto swizzleShaderIt = mSwizzleShaderMap.find(swizzleShaderType);
+    if (swizzleShaderIt != mSwizzleShaderMap.end())
+    {
+        *shader = &swizzleShaderIt->second;
+        return angle::Result::Continue;
+    }
+
+    // Swizzling shaders (OpenGL ES 3+)
+    ASSERT(mRenderer->isES3Capable());
+
+    switch (swizzleShaderType)
+    {
+        case SWIZZLESHADER_2D_FLOAT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_2D,
+                                            ShaderData(g_PS_SwizzleF2D),
+                                            "Blit11 2D F swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_2D_UINT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_2D,
+                                            ShaderData(g_PS_SwizzleUI2D),
+                                            "Blit11 2D UI swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_2D_INT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_2D,
+                                            ShaderData(g_PS_SwizzleI2D),
+                                            "Blit11 2D I swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_CUBE_FLOAT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleF2DArray),
+                                            "Blit11 2D Cube F swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_CUBE_UINT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleUI2DArray),
+                                            "Blit11 2D Cube UI swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_CUBE_INT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleI2DArray),
+                                            "Blit11 2D Cube I swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_3D_FLOAT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleF3D),
+                                            "Blit11 3D F swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_3D_UINT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleUI3D),
+                                            "Blit11 3D UI swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_3D_INT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleI3D),
+                                            "Blit11 3D I swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_ARRAY_FLOAT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleF2DArray),
+                                            "Blit11 2D Array F swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_ARRAY_UINT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleUI2DArray),
+                                            "Blit11 2D Array UI swizzle pixel shader"));
+            break;
+        case SWIZZLESHADER_ARRAY_INT:
+            ANGLE_TRY(addSwizzleShaderToMap(context, swizzleShaderType, SHADER_3D,
+                                            ShaderData(g_PS_SwizzleI2DArray),
+                                            "Blit11 2D Array I swizzle pixel shader"));
+            break;
+        default:
+            ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    }
+
+    swizzleShaderIt = mSwizzleShaderMap.find(swizzleShaderType);
+    ASSERT(swizzleShaderIt != mSwizzleShaderMap.end());
+    *shader = &swizzleShaderIt->second;
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::resolveDepth(const gl::Context *context,
+                                   RenderTarget11 *depth,
+                                   TextureHelper11 *textureOut)
+{
+    ANGLE_TRY(initResources(context));
+
+    // Multisampled depth stencil SRVs are not available in feature level 10.0
+    ASSERT(mRenderer->getRenderer11DeviceCaps().featureLevel > D3D_FEATURE_LEVEL_10_0);
+
+    const auto &extents = depth->getExtents();
+    auto *deviceContext = mRenderer->getDeviceContext();
+    auto *stateManager  = mRenderer->getStateManager();
+
+    ANGLE_TRY(initResolveDepthOnly(context, depth->getFormatSet(), extents));
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(mResolveDepthStencilVS.resolve(context11, mRenderer));
+    ANGLE_TRY(mResolveDepthPS.resolve(context11, mRenderer));
+
+    // Apply the necessary state changes to the D3D11 immediate device context.
+    stateManager->setInputLayout(nullptr);
+    stateManager->setPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+    stateManager->setDrawShaders(&mResolveDepthStencilVS.getObj(), nullptr,
+                                 &mResolveDepthPS.getObj());
+    stateManager->setRasterizerState(nullptr);
+    stateManager->setDepthStencilState(&mDepthStencilState, 0xFFFFFFFF);
+    stateManager->setRenderTargets(nullptr, 0, mResolvedDepthDSView.get());
+    stateManager->setSimpleBlendState(nullptr);
+    stateManager->setSimpleViewport(extents);
+
+    // Set the viewport
+    const d3d11::SharedSRV *srv;
+    ANGLE_TRY(depth->getShaderResourceView(context, &srv));
+
+    stateManager->setShaderResourceShared(gl::ShaderType::Fragment, 0, srv);
+
+    // Trigger the blit on the GPU.
+    deviceContext->Draw(6, 0);
+
+    *textureOut = mResolvedDepth;
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::initResolveDepthOnly(const gl::Context *context,
+                                           const d3d11::Format &format,
+                                           const gl::Extents &extents)
+{
+    if (mResolvedDepth.valid() && extents == mResolvedDepth.getExtents() &&
+        format.texFormat == mResolvedDepth.getFormat())
+    {
+        return angle::Result::Continue;
+    }
+
+    D3D11_TEXTURE2D_DESC textureDesc;
+    textureDesc.Width              = extents.width;
+    textureDesc.Height             = extents.height;
+    textureDesc.MipLevels          = 1;
+    textureDesc.ArraySize          = 1;
+    textureDesc.Format             = format.texFormat;
+    textureDesc.SampleDesc.Count   = 1;
+    textureDesc.SampleDesc.Quality = 0;
+    textureDesc.Usage              = D3D11_USAGE_DEFAULT;
+    textureDesc.BindFlags          = D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE;
+    textureDesc.CPUAccessFlags     = 0;
+    textureDesc.MiscFlags          = 0;
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(mRenderer->allocateTexture(context11, textureDesc, format, &mResolvedDepth));
+    mResolvedDepth.setInternalName("Blit11::mResolvedDepth");
+
+    D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+    dsvDesc.Flags              = 0;
+    dsvDesc.Format             = format.dsvFormat;
+    dsvDesc.Texture2D.MipSlice = 0;
+    dsvDesc.ViewDimension      = D3D11_DSV_DIMENSION_TEXTURE2D;
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, dsvDesc, mResolvedDepth.get(),
+                                          &mResolvedDepthDSView));
+    mResolvedDepthDSView.setInternalName("Blit11::mResolvedDepthDSView");
+
+    // Possibly D3D11 bug or undefined behaviour: Clear the DSV so that our first render
+    // works as expected. Otherwise the results of the first use seem to be incorrect.
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    deviceContext->ClearDepthStencilView(mResolvedDepthDSView.get(), D3D11_CLEAR_DEPTH, 1.0f, 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::initResolveDepthStencil(const gl::Context *context,
+                                              const gl::Extents &extents)
+{
+    // Check if we need to recreate depth stencil view
+    if (mResolvedDepthStencil.valid() && extents == mResolvedDepthStencil.getExtents())
+    {
+        ASSERT(mResolvedDepthStencil.getFormat() == DXGI_FORMAT_R32G32_FLOAT);
+        return angle::Result::Continue;
+    }
+
+    if (mResolvedDepthStencil.valid())
+    {
+        releaseResolveDepthStencilResources();
+    }
+
+    const auto &formatSet = d3d11::Format::Get(GL_RG32F, mRenderer->getRenderer11DeviceCaps());
+
+    D3D11_TEXTURE2D_DESC textureDesc;
+    textureDesc.Width              = extents.width;
+    textureDesc.Height             = extents.height;
+    textureDesc.MipLevels          = 1;
+    textureDesc.ArraySize          = 1;
+    textureDesc.Format             = formatSet.texFormat;
+    textureDesc.SampleDesc.Count   = 1;
+    textureDesc.SampleDesc.Quality = 0;
+    textureDesc.Usage              = D3D11_USAGE_DEFAULT;
+    textureDesc.BindFlags          = D3D11_BIND_RENDER_TARGET;
+    textureDesc.CPUAccessFlags     = 0;
+    textureDesc.MiscFlags          = 0;
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(
+        mRenderer->allocateTexture(context11, textureDesc, formatSet, &mResolvedDepthStencil));
+    mResolvedDepthStencil.setInternalName("Blit11::mResolvedDepthStencil");
+
+    ANGLE_TRY(mRenderer->allocateResourceNoDesc(context11, mResolvedDepthStencil.get(),
+                                                &mResolvedDepthStencilRTView));
+    mResolvedDepthStencilRTView.setInternalName("Blit11::mResolvedDepthStencilRTView");
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit11::resolveStencil(const gl::Context *context,
+                                     RenderTarget11 *depthStencil,
+                                     bool alsoDepth,
+                                     TextureHelper11 *textureOut)
+{
+    ANGLE_TRY(initResources(context));
+
+    // Multisampled depth stencil SRVs are not available in feature level 10.0
+    ASSERT(mRenderer->getRenderer11DeviceCaps().featureLevel > D3D_FEATURE_LEVEL_10_0);
+
+    const auto &extents = depthStencil->getExtents();
+
+    ANGLE_TRY(initResolveDepthStencil(context, extents));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    auto *stateManager                 = mRenderer->getStateManager();
+    ID3D11Resource *stencilResource    = depthStencil->getTexture().get();
+
+    // Check if we need to re-create the stencil SRV.
+    if (mStencilSRV.valid())
+    {
+        ID3D11Resource *priorResource = nullptr;
+        mStencilSRV.get()->GetResource(&priorResource);
+
+        if (stencilResource != priorResource)
+        {
+            mStencilSRV.reset();
+        }
+
+        SafeRelease(priorResource);
+    }
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (!mStencilSRV.valid())
+    {
+        D3D11_SHADER_RESOURCE_VIEW_DESC srViewDesc;
+        srViewDesc.Format        = GetStencilSRVFormat(depthStencil->getFormatSet());
+        srViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DMS;
+
+        ANGLE_TRY(
+            mRenderer->allocateResource(context11, srViewDesc, stencilResource, &mStencilSRV));
+        mStencilSRV.setInternalName("Blit11::mStencilSRV");
+    }
+
+    // Notify the Renderer that all state should be invalidated.
+    ANGLE_TRY(mResolveDepthStencilVS.resolve(context11, mRenderer));
+
+    // Resolving the depth buffer works by sampling the depth in the shader using a SRV, then
+    // writing to the resolved depth buffer using SV_Depth. We can't use this method for stencil
+    // because SV_StencilRef isn't supported until HLSL 5.1/D3D11.3.
+    const d3d11::PixelShader *pixelShader = nullptr;
+    if (alsoDepth)
+    {
+        ANGLE_TRY(mResolveDepthStencilPS.resolve(context11, mRenderer));
+        pixelShader = &mResolveDepthStencilPS.getObj();
+    }
+    else
+    {
+        ANGLE_TRY(mResolveStencilPS.resolve(context11, mRenderer));
+        pixelShader = &mResolveStencilPS.getObj();
+    }
+
+    // Apply the necessary state changes to the D3D11 immediate device context.
+    stateManager->setInputLayout(nullptr);
+    stateManager->setPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+    stateManager->setDrawShaders(&mResolveDepthStencilVS.getObj(), nullptr, pixelShader);
+    stateManager->setRasterizerState(nullptr);
+    stateManager->setDepthStencilState(nullptr, 0xFFFFFFFF);
+    stateManager->setRenderTarget(mResolvedDepthStencilRTView.get(), nullptr);
+    stateManager->setSimpleBlendState(nullptr);
+
+    // Set the viewport
+    stateManager->setSimpleViewport(extents);
+    const d3d11::SharedSRV *srv;
+    ANGLE_TRY(depthStencil->getShaderResourceView(context, &srv));
+    stateManager->setShaderResourceShared(gl::ShaderType::Fragment, 0, srv);
+    stateManager->setShaderResource(gl::ShaderType::Fragment, 1, &mStencilSRV);
+
+    // Trigger the blit on the GPU.
+    deviceContext->Draw(6, 0);
+
+    gl::Box copyBox(0, 0, 0, extents.width, extents.height, 1);
+
+    ANGLE_TRY(mRenderer->createStagingTexture(context, ResourceType::Texture2D,
+                                              depthStencil->getFormatSet(), extents,
+                                              StagingAccess::READ_WRITE, textureOut));
+
+    const auto &copyFunction = GetCopyDepthStencilFunction(depthStencil->getInternalFormat());
+    const auto &dsFormatSet  = depthStencil->getFormatSet();
+    const auto &dsDxgiInfo   = d3d11::GetDXGIFormatSizeInfo(dsFormatSet.texFormat);
+
+    ANGLE_TRY(copyAndConvertImpl(context, mResolvedDepthStencil, 0, copyBox, extents, *textureOut,
+                                 copyBox, extents, nullptr, 0, 0, 0, 8u, dsDxgiInfo.pixelBytes,
+                                 copyFunction));
+
+    return angle::Result::Continue;
+}
+
+void Blit11::releaseResolveDepthStencilResources()
+{
+    mStencilSRV.reset();
+    mResolvedDepthStencilRTView.reset();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11.h
new file mode 100644
index 0000000000..cef491137d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11.h
@@ -0,0 +1,300 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Blit11.cpp: Texture copy utility class.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_BLIT11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_BLIT11_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include <map>
+
+namespace rx
+{
+class Renderer11;
+
+class Blit11 : angle::NonCopyable
+{
+  public:
+    explicit Blit11(Renderer11 *renderer);
+    ~Blit11();
+
+    angle::Result swizzleTexture(const gl::Context *context,
+                                 const d3d11::SharedSRV &source,
+                                 const d3d11::RenderTargetView &dest,
+                                 const gl::Extents &size,
+                                 const gl::SwizzleState &swizzleTarget);
+
+    // Set destTypeForDownsampling to GL_NONE to skip downsampling
+    angle::Result copyTexture(const gl::Context *context,
+                              const d3d11::SharedSRV &source,
+                              const gl::Box &sourceArea,
+                              const gl::Extents &sourceSize,
+                              GLenum sourceFormat,
+                              const d3d11::RenderTargetView &dest,
+                              const gl::Box &destArea,
+                              const gl::Extents &destSize,
+                              const gl::Rectangle *scissor,
+                              GLenum destFormat,
+                              GLenum destTypeForDownsampling,
+                              GLenum filter,
+                              bool maskOffAlpha,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha);
+
+    angle::Result copyStencil(const gl::Context *context,
+                              const TextureHelper11 &source,
+                              unsigned int sourceSubresource,
+                              const gl::Box &sourceArea,
+                              const gl::Extents &sourceSize,
+                              const TextureHelper11 &dest,
+                              unsigned int destSubresource,
+                              const gl::Box &destArea,
+                              const gl::Extents &destSize,
+                              const gl::Rectangle *scissor);
+
+    angle::Result copyDepth(const gl::Context *context,
+                            const d3d11::SharedSRV &source,
+                            const gl::Box &sourceArea,
+                            const gl::Extents &sourceSize,
+                            const d3d11::DepthStencilView &dest,
+                            const gl::Box &destArea,
+                            const gl::Extents &destSize,
+                            const gl::Rectangle *scissor);
+
+    angle::Result copyDepthStencil(const gl::Context *context,
+                                   const TextureHelper11 &source,
+                                   unsigned int sourceSubresource,
+                                   const gl::Box &sourceArea,
+                                   const gl::Extents &sourceSize,
+                                   const TextureHelper11 &dest,
+                                   unsigned int destSubresource,
+                                   const gl::Box &destArea,
+                                   const gl::Extents &destSize,
+                                   const gl::Rectangle *scissor);
+
+    angle::Result resolveDepth(const gl::Context *context,
+                               RenderTarget11 *depth,
+                               TextureHelper11 *textureOut);
+
+    angle::Result resolveStencil(const gl::Context *context,
+                                 RenderTarget11 *depthStencil,
+                                 bool alsoDepth,
+                                 TextureHelper11 *textureOut);
+
+    using BlitConvertFunction = void(const gl::Box &sourceArea,
+                                     const gl::Box &destArea,
+                                     const gl::Rectangle &clipRect,
+                                     const gl::Extents &sourceSize,
+                                     unsigned int sourceRowPitch,
+                                     unsigned int destRowPitch,
+                                     ptrdiff_t readOffset,
+                                     ptrdiff_t writeOffset,
+                                     size_t copySize,
+                                     size_t srcPixelStride,
+                                     size_t destPixelStride,
+                                     const uint8_t *sourceData,
+                                     uint8_t *destData);
+
+  private:
+    enum BlitShaderOperation : unsigned int;
+    enum BlitShaderType : unsigned int;
+    enum SwizzleShaderType
+    {
+        SWIZZLESHADER_INVALID,
+        SWIZZLESHADER_2D_FLOAT,
+        SWIZZLESHADER_2D_UINT,
+        SWIZZLESHADER_2D_INT,
+        SWIZZLESHADER_CUBE_FLOAT,
+        SWIZZLESHADER_CUBE_UINT,
+        SWIZZLESHADER_CUBE_INT,
+        SWIZZLESHADER_3D_FLOAT,
+        SWIZZLESHADER_3D_UINT,
+        SWIZZLESHADER_3D_INT,
+        SWIZZLESHADER_ARRAY_FLOAT,
+        SWIZZLESHADER_ARRAY_UINT,
+        SWIZZLESHADER_ARRAY_INT,
+    };
+
+    typedef void (*WriteVertexFunction)(const gl::Box &sourceArea,
+                                        const gl::Extents &sourceSize,
+                                        const gl::Box &destArea,
+                                        const gl::Extents &destSize,
+                                        void *outVertices,
+                                        unsigned int *outStride,
+                                        unsigned int *outVertexCount,
+                                        D3D11_PRIMITIVE_TOPOLOGY *outTopology);
+
+    enum ShaderDimension
+    {
+        SHADER_INVALID,
+        SHADER_2D,
+        SHADER_3D,
+        SHADER_2DARRAY
+    };
+
+    struct Shader
+    {
+        Shader();
+        Shader(Shader &&other);
+        ~Shader();
+        Shader &operator=(Shader &&other);
+
+        ShaderDimension dimension;
+        d3d11::PixelShader pixelShader;
+    };
+
+    struct ShaderSupport
+    {
+        const d3d11::InputLayout *inputLayout;
+        const d3d11::VertexShader *vertexShader;
+        const d3d11::GeometryShader *geometryShader;
+        WriteVertexFunction vertexWriteFunction;
+    };
+
+    angle::Result initResources(const gl::Context *context);
+
+    angle::Result getShaderSupport(const gl::Context *context,
+                                   const Shader &shader,
+                                   ShaderSupport *supportOut);
+
+    static BlitShaderOperation getBlitShaderOperation(GLenum destinationFormat,
+                                                      GLenum sourceFormat,
+                                                      bool isSrcSigned,
+                                                      bool isDestSigned,
+                                                      bool unpackPremultiplyAlpha,
+                                                      bool unpackUnmultiplyAlpha,
+                                                      GLenum destTypeForDownsampling);
+
+    static BlitShaderType getBlitShaderType(BlitShaderOperation operation,
+                                            ShaderDimension dimension);
+
+    static SwizzleShaderType GetSwizzleShaderType(GLenum type, D3D11_SRV_DIMENSION dimensionality);
+
+    angle::Result copyDepthStencilImpl(const gl::Context *context,
+                                       const TextureHelper11 &source,
+                                       unsigned int sourceSubresource,
+                                       const gl::Box &sourceArea,
+                                       const gl::Extents &sourceSize,
+                                       const TextureHelper11 &dest,
+                                       unsigned int destSubresource,
+                                       const gl::Box &destArea,
+                                       const gl::Extents &destSize,
+                                       const gl::Rectangle *scissor,
+                                       bool stencilOnly);
+
+    angle::Result copyAndConvertImpl(const gl::Context *context,
+                                     const TextureHelper11 &source,
+                                     unsigned int sourceSubresource,
+                                     const gl::Box &sourceArea,
+                                     const gl::Extents &sourceSize,
+                                     const TextureHelper11 &destStaging,
+                                     const gl::Box &destArea,
+                                     const gl::Extents &destSize,
+                                     const gl::Rectangle *scissor,
+                                     size_t readOffset,
+                                     size_t writeOffset,
+                                     size_t copySize,
+                                     size_t srcPixelStride,
+                                     size_t destPixelStride,
+                                     BlitConvertFunction *convertFunction);
+
+    angle::Result copyAndConvert(const gl::Context *context,
+                                 const TextureHelper11 &source,
+                                 unsigned int sourceSubresource,
+                                 const gl::Box &sourceArea,
+                                 const gl::Extents &sourceSize,
+                                 const TextureHelper11 &dest,
+                                 unsigned int destSubresource,
+                                 const gl::Box &destArea,
+                                 const gl::Extents &destSize,
+                                 const gl::Rectangle *scissor,
+                                 size_t readOffset,
+                                 size_t writeOffset,
+                                 size_t copySize,
+                                 size_t srcPixelStride,
+                                 size_t destPixelStride,
+                                 BlitConvertFunction *convertFunction);
+
+    angle::Result mapBlitShader(const gl::Context *context, BlitShaderType blitShaderType);
+    angle::Result addBlitShaderToMap(const gl::Context *context,
+                                     BlitShaderType blitShaderType,
+                                     ShaderDimension dimension,
+                                     const ShaderData &shaderData,
+                                     const char *name);
+
+    angle::Result getBlitShader(const gl::Context *context,
+                                GLenum destFormat,
+                                GLenum sourceFormat,
+                                bool isSrcSigned,
+                                bool isDestSigned,
+                                bool unpackPremultiplyAlpha,
+                                bool unpackUnmultiplyAlpha,
+                                GLenum destTypeForDownsampling,
+                                ShaderDimension dimension,
+                                const Shader **shaderOut);
+    angle::Result getSwizzleShader(const gl::Context *context,
+                                   GLenum type,
+                                   D3D11_SRV_DIMENSION viewDimension,
+                                   const Shader **shaderOut);
+
+    angle::Result addSwizzleShaderToMap(const gl::Context *context,
+                                        SwizzleShaderType swizzleShaderType,
+                                        ShaderDimension dimension,
+                                        const ShaderData &shaderData,
+                                        const char *name);
+
+    void clearShaderMap();
+    void releaseResolveDepthStencilResources();
+    angle::Result initResolveDepthOnly(const gl::Context *context,
+                                       const d3d11::Format &format,
+                                       const gl::Extents &extents);
+    angle::Result initResolveDepthStencil(const gl::Context *context, const gl::Extents &extents);
+
+    Renderer11 *mRenderer;
+
+    std::map<BlitShaderType, Shader> mBlitShaderMap;
+    std::map<SwizzleShaderType, Shader> mSwizzleShaderMap;
+
+    bool mResourcesInitialized;
+    d3d11::Buffer mVertexBuffer;
+    d3d11::SamplerState mPointSampler;
+    d3d11::SamplerState mLinearSampler;
+    d3d11::RasterizerState mScissorEnabledRasterizerState;
+    d3d11::RasterizerState mScissorDisabledRasterizerState;
+    d3d11::DepthStencilState mDepthStencilState;
+
+    d3d11::LazyInputLayout mQuad2DIL;
+    d3d11::LazyShader<ID3D11VertexShader> mQuad2DVS;
+    d3d11::LazyShader<ID3D11PixelShader> mDepthPS;
+
+    d3d11::LazyInputLayout mQuad3DIL;
+    d3d11::LazyShader<ID3D11VertexShader> mQuad3DVS;
+    d3d11::LazyShader<ID3D11GeometryShader> mQuad3DGS;
+
+    d3d11::LazyBlendState mAlphaMaskBlendState;
+
+    d3d11::Buffer mSwizzleCB;
+
+    d3d11::LazyShader<ID3D11VertexShader> mResolveDepthStencilVS;
+    d3d11::LazyShader<ID3D11PixelShader> mResolveDepthPS;
+    d3d11::LazyShader<ID3D11PixelShader> mResolveDepthStencilPS;
+    d3d11::LazyShader<ID3D11PixelShader> mResolveStencilPS;
+    d3d11::ShaderResourceView mStencilSRV;
+    TextureHelper11 mResolvedDepthStencil;
+    d3d11::RenderTargetView mResolvedDepthStencilRTView;
+    TextureHelper11 mResolvedDepth;
+    d3d11::DepthStencilView mResolvedDepthDSView;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_BLIT11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11Helper_autogen.inc b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11Helper_autogen.inc
new file mode 100644
index 0000000000..64d8106a18
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Blit11Helper_autogen.inc
@@ -0,0 +1,1575 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_blit11helper.py.
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Blit11Helper_autogen.inc:
+//   Defines and retrieves blitshaders for the D3D11 backend.
+
+namespace
+{
+// Include inline shaders in the anonymous namespace to make sure no symbols are exported
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrougha2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_4444_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d_565_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_5551_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum3d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha3d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3dui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3di11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_4444_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d_565_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_5551_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_3d_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darray11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darray11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2darray11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2darray11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayi11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayi11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayi11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayui11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayi11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_4444_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray_565_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_5551_11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2darray_ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2darray_ps.h"
+} // namespace
+
+enum Blit11::BlitShaderOperation : unsigned int
+{
+    RGBAF,
+    BGRAF,
+    RGBF,
+    RGF,
+    RF,
+    ALPHA,
+    LUMA,
+    LUMAALPHA,
+    RGBAUI,
+    RGBAI,
+    RGBUI,
+    RGBI,
+    RGUI,
+    RGI,
+    RUI,
+    RI,
+    RGBAF_PREMULTIPLY,
+    RGBAF_UNMULTIPLY,
+    RGBF_PREMULTIPLY,
+    RGBF_UNMULTIPLY,
+    RGBAF_TOUI,
+    RGBAF_TOUI_PREMULTIPLY,
+    RGBAF_TOUI_UNMULTIPLY,
+    RGBF_TOUI,
+    RGBF_TOUI_PREMULTIPLY,
+    RGBF_TOUI_UNMULTIPLY,
+    RGBAF_TOI,
+    RGBAF_TOI_PREMULTIPLY,
+    RGBAF_TOI_UNMULTIPLY,
+    RGBF_TOI,
+    RGBF_TOI_PREMULTIPLY,
+    RGBF_TOI_UNMULTIPLY,
+    LUMAF_PREMULTIPLY,
+    LUMAF_UNMULTIPLY,
+    LUMAALPHAF_PREMULTIPLY,
+    LUMAALPHAF_UNMULTIPLY,
+    RGBAF_4444,
+    RGBAF_4444_PREMULTIPLY,
+    RGBAF_4444_UNMULTIPLY,
+    RGBF_565,
+    RGBF_565_PREMULTIPLY,
+    RGBF_565_UNMULTIPLY,
+    RGBAF_5551,
+    RGBAF_5551_PREMULTIPLY,
+    RGBAF_5551_UNMULTIPLY,
+    OPERATION_INVALID
+};
+
+enum Blit11::BlitShaderType : unsigned int
+{
+    BLITSHADER_2D_RGBAF,
+    BLITSHADER_2D_BGRAF,
+    BLITSHADER_2D_RGBF,
+    BLITSHADER_2D_RGF,
+    BLITSHADER_2D_RF,
+    BLITSHADER_2D_ALPHA,
+    BLITSHADER_2D_LUMA,
+    BLITSHADER_2D_LUMAALPHA,
+    BLITSHADER_2D_RGBAUI,
+    BLITSHADER_2D_RGBAI,
+    BLITSHADER_2D_RGBUI,
+    BLITSHADER_2D_RGBI,
+    BLITSHADER_2D_RGUI,
+    BLITSHADER_2D_RGI,
+    BLITSHADER_2D_RUI,
+    BLITSHADER_2D_RI,
+    BLITSHADER_2D_RGBAF_PREMULTIPLY,
+    BLITSHADER_2D_RGBAF_UNMULTIPLY,
+    BLITSHADER_2D_RGBF_PREMULTIPLY,
+    BLITSHADER_2D_RGBF_UNMULTIPLY,
+    BLITSHADER_2D_RGBAF_TOUI,
+    BLITSHADER_2D_RGBAF_TOUI_PREMULTIPLY,
+    BLITSHADER_2D_RGBAF_TOUI_UNMULTIPLY,
+    BLITSHADER_2D_RGBF_TOUI,
+    BLITSHADER_2D_RGBF_TOUI_PREMULTIPLY,
+    BLITSHADER_2D_RGBF_TOUI_UNMULTIPLY,
+    BLITSHADER_2D_LUMAF_PREMULTIPLY,
+    BLITSHADER_2D_LUMAF_UNMULTIPLY,
+    BLITSHADER_2D_LUMAALPHAF_PREMULTIPLY,
+    BLITSHADER_2D_LUMAALPHAF_UNMULTIPLY,
+    BLITSHADER_2D_RGBAF_4444,
+    BLITSHADER_2D_RGBAF_4444_PREMULTIPLY,
+    BLITSHADER_2D_RGBAF_4444_UNMULTIPLY,
+    BLITSHADER_2D_RGBF_565,
+    BLITSHADER_2D_RGBF_565_PREMULTIPLY,
+    BLITSHADER_2D_RGBF_565_UNMULTIPLY,
+    BLITSHADER_2D_RGBAF_5551,
+    BLITSHADER_2D_RGBAF_5551_PREMULTIPLY,
+    BLITSHADER_2D_RGBAF_5551_UNMULTIPLY,
+    BLITSHADER_3D_RGBAF,
+    BLITSHADER_3D_BGRAF,
+    BLITSHADER_3D_RGBF,
+    BLITSHADER_3D_RGF,
+    BLITSHADER_3D_RF,
+    BLITSHADER_3D_ALPHA,
+    BLITSHADER_3D_LUMA,
+    BLITSHADER_3D_LUMAALPHA,
+    BLITSHADER_3D_RGBAUI,
+    BLITSHADER_3D_RGBAI,
+    BLITSHADER_3D_RGBUI,
+    BLITSHADER_3D_RGBI,
+    BLITSHADER_3D_RGUI,
+    BLITSHADER_3D_RGI,
+    BLITSHADER_3D_RUI,
+    BLITSHADER_3D_RI,
+    BLITSHADER_3D_RGBAF_PREMULTIPLY,
+    BLITSHADER_3D_RGBAF_UNMULTIPLY,
+    BLITSHADER_3D_RGBF_PREMULTIPLY,
+    BLITSHADER_3D_RGBF_UNMULTIPLY,
+    BLITSHADER_3D_RGBAF_TOUI,
+    BLITSHADER_3D_RGBAF_TOUI_PREMULTIPLY,
+    BLITSHADER_3D_RGBAF_TOUI_UNMULTIPLY,
+    BLITSHADER_3D_RGBF_TOUI,
+    BLITSHADER_3D_RGBF_TOUI_PREMULTIPLY,
+    BLITSHADER_3D_RGBF_TOUI_UNMULTIPLY,
+    BLITSHADER_3D_RGBAF_TOI,
+    BLITSHADER_3D_RGBAF_TOI_PREMULTIPLY,
+    BLITSHADER_3D_RGBAF_TOI_UNMULTIPLY,
+    BLITSHADER_3D_RGBF_TOI,
+    BLITSHADER_3D_RGBF_TOI_PREMULTIPLY,
+    BLITSHADER_3D_RGBF_TOI_UNMULTIPLY,
+    BLITSHADER_3D_LUMAF_PREMULTIPLY,
+    BLITSHADER_3D_LUMAF_UNMULTIPLY,
+    BLITSHADER_3D_LUMAALPHAF_PREMULTIPLY,
+    BLITSHADER_3D_LUMAALPHAF_UNMULTIPLY,
+    BLITSHADER_3D_RGBAF_4444,
+    BLITSHADER_3D_RGBAF_4444_PREMULTIPLY,
+    BLITSHADER_3D_RGBAF_4444_UNMULTIPLY,
+    BLITSHADER_3D_RGBF_565,
+    BLITSHADER_3D_RGBF_565_PREMULTIPLY,
+    BLITSHADER_3D_RGBF_565_UNMULTIPLY,
+    BLITSHADER_3D_RGBAF_5551,
+    BLITSHADER_3D_RGBAF_5551_PREMULTIPLY,
+    BLITSHADER_3D_RGBAF_5551_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF,
+    BLITSHADER_2DARRAY_BGRAF,
+    BLITSHADER_2DARRAY_RGBF,
+    BLITSHADER_2DARRAY_RGF,
+    BLITSHADER_2DARRAY_RF,
+    BLITSHADER_2DARRAY_ALPHA,
+    BLITSHADER_2DARRAY_LUMA,
+    BLITSHADER_2DARRAY_LUMAALPHA,
+    BLITSHADER_2DARRAY_RGBAUI,
+    BLITSHADER_2DARRAY_RGBAI,
+    BLITSHADER_2DARRAY_RGBUI,
+    BLITSHADER_2DARRAY_RGBI,
+    BLITSHADER_2DARRAY_RGUI,
+    BLITSHADER_2DARRAY_RGI,
+    BLITSHADER_2DARRAY_RUI,
+    BLITSHADER_2DARRAY_RI,
+    BLITSHADER_2DARRAY_RGBAF_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_TOUI,
+    BLITSHADER_2DARRAY_RGBAF_TOUI_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_TOUI_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_TOUI,
+    BLITSHADER_2DARRAY_RGBF_TOUI_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_TOUI_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_TOI,
+    BLITSHADER_2DARRAY_RGBAF_TOI_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_TOI_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_TOI,
+    BLITSHADER_2DARRAY_RGBF_TOI_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_TOI_UNMULTIPLY,
+    BLITSHADER_2DARRAY_LUMAF_PREMULTIPLY,
+    BLITSHADER_2DARRAY_LUMAF_UNMULTIPLY,
+    BLITSHADER_2DARRAY_LUMAALPHAF_PREMULTIPLY,
+    BLITSHADER_2DARRAY_LUMAALPHAF_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_4444,
+    BLITSHADER_2DARRAY_RGBAF_4444_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_4444_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_565,
+    BLITSHADER_2DARRAY_RGBF_565_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBF_565_UNMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_5551,
+    BLITSHADER_2DARRAY_RGBAF_5551_PREMULTIPLY,
+    BLITSHADER_2DARRAY_RGBAF_5551_UNMULTIPLY,
+    BLITSHADER_INVALID
+};
+
+Blit11::BlitShaderType Blit11::getBlitShaderType(BlitShaderOperation operation, ShaderDimension dimension)
+{
+    switch(operation)
+    {
+        case RGBAF:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case BGRAF:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_BGRAF;
+                case SHADER_3D:
+                    return BLITSHADER_3D_BGRAF;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_BGRAF;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGF:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGF;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGF;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGF;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RF:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RF;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RF;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RF;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case ALPHA:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_ALPHA;
+                case SHADER_3D:
+                    return BLITSHADER_3D_ALPHA;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_ALPHA;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case LUMA:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_LUMA;
+                case SHADER_3D:
+                    return BLITSHADER_3D_LUMA;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_LUMA;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case LUMAALPHA:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_LUMAALPHA;
+                case SHADER_3D:
+                    return BLITSHADER_3D_LUMAALPHA;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_LUMAALPHA;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAUI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAUI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAUI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAUI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBUI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBUI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBUI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBUI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGUI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGUI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGUI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGUI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RUI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RUI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RUI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RUI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_TOUI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_TOUI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_TOUI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_TOUI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_TOUI_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_TOUI_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_TOUI_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_TOUI_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_TOUI_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_TOUI_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_TOUI_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_TOUI_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_TOUI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_TOUI;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_TOUI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_TOUI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_TOUI_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_TOUI_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_TOUI_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_TOUI_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_TOUI_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_TOUI_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_TOUI_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_TOUI_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_TOI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_INVALID;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_TOI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_TOI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_TOI_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_INVALID;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_TOI_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_TOI_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_TOI_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_INVALID;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_TOI_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_TOI_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_TOI:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_INVALID;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_TOI;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_TOI;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_TOI_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_INVALID;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_TOI_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_TOI_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_TOI_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_INVALID;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_TOI_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_TOI_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case LUMAF_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_LUMAF_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_LUMAF_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_LUMAF_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case LUMAF_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_LUMAF_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_LUMAF_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_LUMAF_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case LUMAALPHAF_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_LUMAALPHAF_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_LUMAALPHAF_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_LUMAALPHAF_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case LUMAALPHAF_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_LUMAALPHAF_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_LUMAALPHAF_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_LUMAALPHAF_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_4444:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_4444;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_4444;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_4444;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_4444_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_4444_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_4444_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_4444_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_4444_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_4444_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_4444_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_4444_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_565:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_565;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_565;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_565;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_565_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_565_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_565_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_565_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBF_565_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBF_565_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBF_565_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBF_565_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_5551:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_5551;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_5551;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_5551;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_5551_PREMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_5551_PREMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_5551_PREMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_5551_PREMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        case RGBAF_5551_UNMULTIPLY:
+            switch (dimension)
+            {
+                case SHADER_2D:
+                    return BLITSHADER_2D_RGBAF_5551_UNMULTIPLY;
+                case SHADER_3D:
+                    return BLITSHADER_3D_RGBAF_5551_UNMULTIPLY;
+                case SHADER_2DARRAY:
+                    return BLITSHADER_2DARRAY_RGBAF_5551_UNMULTIPLY;
+                default:
+                    UNREACHABLE();
+                    return BLITSHADER_INVALID;
+            }
+        default:
+            UNREACHABLE();
+            return BLITSHADER_INVALID;
+    }
+}
+
+angle::Result Blit11::mapBlitShader(const gl::Context *context,
+                                    BlitShaderType blitShaderType)
+{
+    switch(blitShaderType)
+    {
+        case BLITSHADER_2D_RGBAF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGBA2D),
+                                         "Blit11 2D PassthroughRGBA2D pixel shader"));
+            break;
+        case BLITSHADER_2D_BGRAF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGBA2D),
+                                         "Blit11 2D PassthroughRGBA2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGB2D),
+                                         "Blit11 2D PassthroughRGB2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRG2D),
+                                         "Blit11 2D PassthroughRG2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughR2D),
+                                         "Blit11 2D PassthroughR2D pixel shader"));
+            break;
+        case BLITSHADER_2D_ALPHA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughA2D),
+                                         "Blit11 2D PassthroughA2D pixel shader"));
+            break;
+        case BLITSHADER_2D_LUMA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughLum2D),
+                                         "Blit11 2D PassthroughLum2D pixel shader"));
+            break;
+        case BLITSHADER_2D_LUMAALPHA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughLumAlpha2D),
+                                         "Blit11 2D PassthroughLumAlpha2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGBA2DUI),
+                                         "Blit11 2D PassthroughRGBA2DUI pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGBA2DI),
+                                         "Blit11 2D PassthroughRGBA2DI pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGB2DUI),
+                                         "Blit11 2D PassthroughRGB2DUI pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGB2DI),
+                                         "Blit11 2D PassthroughRGB2DI pixel shader"));
+            break;
+        case BLITSHADER_2D_RGUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRG2DUI),
+                                         "Blit11 2D PassthroughRG2DUI pixel shader"));
+            break;
+        case BLITSHADER_2D_RGI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRG2DI),
+                                         "Blit11 2D PassthroughRG2DI pixel shader"));
+            break;
+        case BLITSHADER_2D_RUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughR2DUI),
+                                         "Blit11 2D PassthroughR2DUI pixel shader"));
+            break;
+        case BLITSHADER_2D_RI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughR2DI),
+                                         "Blit11 2D PassthroughR2DI pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_2D),
+                                         "Blit11 2D FtoF PM RGBA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_2D),
+                                         "Blit11 2D FtoF UM RGBA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_PM_RGB_2D),
+                                         "Blit11 2D FtoF PM RGB 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_UM_RGB_2D),
+                                         "Blit11 2D FtoF UM RGB 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_TOUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoU_PT_RGBA_2D),
+                                         "Blit11 2D FtoU PT RGBA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_TOUI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoU_PM_RGBA_2D),
+                                         "Blit11 2D FtoU PM RGBA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_TOUI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoU_UM_RGBA_2D),
+                                         "Blit11 2D FtoU UM RGBA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_TOUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoU_PT_RGB_2D),
+                                         "Blit11 2D FtoU PT RGB 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_TOUI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoU_PM_RGB_2D),
+                                         "Blit11 2D FtoU PM RGB 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_TOUI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoU_UM_RGB_2D),
+                                         "Blit11 2D FtoU UM RGB 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_LUMAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_PM_LUMA_2D),
+                                         "Blit11 2D FtoF PM LUMA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_LUMAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_UM_LUMA_2D),
+                                         "Blit11 2D FtoF UM LUMA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_LUMAALPHAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_PM_LUMAALPHA_2D),
+                                         "Blit11 2D FtoF PM LUMAALPHA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_LUMAALPHAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_UM_LUMAALPHA_2D),
+                                         "Blit11 2D FtoF UM LUMAALPHA 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_4444:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGBA2D_4444),
+                                         "Blit11 2D PassthroughRGBA2D 4444 pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_4444_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_4444_2D),
+                                         "Blit11 2D FtoF PM RGBA 4444 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_4444_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_4444_2D),
+                                         "Blit11 2D FtoF UM RGBA 4444 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_565:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGB2D_565),
+                                         "Blit11 2D PassthroughRGB2D 565 pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_565_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_PM_RGB_565_2D),
+                                         "Blit11 2D FtoF PM RGB 565 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBF_565_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_UM_RGB_565_2D),
+                                         "Blit11 2D FtoF UM RGB 565 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_5551:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_PassthroughRGBA2D_5551),
+                                         "Blit11 2D PassthroughRGBA2D 5551 pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_5551_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_5551_2D),
+                                         "Blit11 2D FtoF PM RGBA 5551 2D pixel shader"));
+            break;
+        case BLITSHADER_2D_RGBAF_5551_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2D,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_5551_2D),
+                                         "Blit11 2D FtoF UM RGBA 5551 2D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGBA3D),
+                                         "Blit11 3D PassthroughRGBA3D pixel shader"));
+            break;
+        case BLITSHADER_3D_BGRAF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGBA3D),
+                                         "Blit11 3D PassthroughRGBA3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGB3D),
+                                         "Blit11 3D PassthroughRGB3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRG3D),
+                                         "Blit11 3D PassthroughRG3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughR3D),
+                                         "Blit11 3D PassthroughR3D pixel shader"));
+            break;
+        case BLITSHADER_3D_ALPHA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGBA3D),
+                                         "Blit11 3D PassthroughRGBA3D pixel shader"));
+            break;
+        case BLITSHADER_3D_LUMA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughLum3D),
+                                         "Blit11 3D PassthroughLum3D pixel shader"));
+            break;
+        case BLITSHADER_3D_LUMAALPHA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughLumAlpha3D),
+                                         "Blit11 3D PassthroughLumAlpha3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGBA3DUI),
+                                         "Blit11 3D PassthroughRGBA3DUI pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGBA3DI),
+                                         "Blit11 3D PassthroughRGBA3DI pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGB3DUI),
+                                         "Blit11 3D PassthroughRGB3DUI pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGB3DI),
+                                         "Blit11 3D PassthroughRGB3DI pixel shader"));
+            break;
+        case BLITSHADER_3D_RGUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRG3DUI),
+                                         "Blit11 3D PassthroughRG3DUI pixel shader"));
+            break;
+        case BLITSHADER_3D_RGI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRG3DI),
+                                         "Blit11 3D PassthroughRG3DI pixel shader"));
+            break;
+        case BLITSHADER_3D_RUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughR3DUI),
+                                         "Blit11 3D PassthroughR3DUI pixel shader"));
+            break;
+        case BLITSHADER_3D_RI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughR3DI),
+                                         "Blit11 3D PassthroughR3DI pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_3D),
+                                         "Blit11 3D FtoF PM RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_3D),
+                                         "Blit11 3D FtoF UM RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_PM_RGB_3D),
+                                         "Blit11 3D FtoF PM RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_UM_RGB_3D),
+                                         "Blit11 3D FtoF UM RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_TOUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoU_PT_RGBA_3D),
+                                         "Blit11 3D FtoU PT RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_TOUI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoU_PM_RGBA_3D),
+                                         "Blit11 3D FtoU PM RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_TOUI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoU_UM_RGBA_3D),
+                                         "Blit11 3D FtoU UM RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_TOUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoU_PT_RGB_3D),
+                                         "Blit11 3D FtoU PT RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_TOUI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoU_PM_RGB_3D),
+                                         "Blit11 3D FtoU PM RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_TOUI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoU_UM_RGB_3D),
+                                         "Blit11 3D FtoU UM RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_TOI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoI_PT_RGBA_3D),
+                                         "Blit11 3D FtoI PT RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_TOI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoI_PM_RGBA_3D),
+                                         "Blit11 3D FtoI PM RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_TOI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoI_UM_RGBA_3D),
+                                         "Blit11 3D FtoI UM RGBA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_TOI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoI_PT_RGB_3D),
+                                         "Blit11 3D FtoI PT RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_TOI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoI_PM_RGB_3D),
+                                         "Blit11 3D FtoI PM RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_TOI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoI_UM_RGB_3D),
+                                         "Blit11 3D FtoI UM RGB 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_LUMAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_PM_LUMA_3D),
+                                         "Blit11 3D FtoF PM LUMA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_LUMAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_UM_LUMA_3D),
+                                         "Blit11 3D FtoF UM LUMA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_LUMAALPHAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_PM_LUMAALPHA_3D),
+                                         "Blit11 3D FtoF PM LUMAALPHA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_LUMAALPHAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_UM_LUMAALPHA_3D),
+                                         "Blit11 3D FtoF UM LUMAALPHA 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_4444:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGBA3D_4444),
+                                         "Blit11 3D PassthroughRGBA3D 4444 pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_4444_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_4444_3D),
+                                         "Blit11 3D FtoF PM RGBA 4444 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_4444_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_4444_3D),
+                                         "Blit11 3D FtoF UM RGBA 4444 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_565:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGB3D_565),
+                                         "Blit11 3D PassthroughRGB3D 565 pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_565_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_PM_RGB_565_3D),
+                                         "Blit11 3D FtoF PM RGB 565 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBF_565_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_UM_RGB_565_3D),
+                                         "Blit11 3D FtoF UM RGB 565 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_5551:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_PassthroughRGBA3D_5551),
+                                         "Blit11 3D PassthroughRGBA3D 5551 pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_5551_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_5551_3D),
+                                         "Blit11 3D FtoF PM RGBA 5551 3D pixel shader"));
+            break;
+        case BLITSHADER_3D_RGBAF_5551_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_3D,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_5551_3D),
+                                         "Blit11 3D FtoF UM RGBA 5551 3D pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGBA2DArray),
+                                         "Blit11 2DArray PassthroughRGBA2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_BGRAF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGBA2DArray),
+                                         "Blit11 2DArray PassthroughRGBA2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGB2DArray),
+                                         "Blit11 2DArray PassthroughRGB2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRG2DArray),
+                                         "Blit11 2DArray PassthroughRG2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RF:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughR2DArray),
+                                         "Blit11 2DArray PassthroughR2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_ALPHA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGBA2DArray),
+                                         "Blit11 2DArray PassthroughRGBA2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_LUMA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughLum2DArray),
+                                         "Blit11 2DArray PassthroughLum2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_LUMAALPHA:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughLumAlpha2DArray),
+                                         "Blit11 2DArray PassthroughLumAlpha2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGBA2DArrayUI),
+                                         "Blit11 2DArray PassthroughRGBA2DArrayUI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGBA2DArrayI),
+                                         "Blit11 2DArray PassthroughRGBA2DArrayI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGB2DArrayUI),
+                                         "Blit11 2DArray PassthroughRGB2DArrayUI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGB2DArrayI),
+                                         "Blit11 2DArray PassthroughRGB2DArrayI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRG2DArrayUI),
+                                         "Blit11 2DArray PassthroughRG2DArrayUI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRG2DArrayI),
+                                         "Blit11 2DArray PassthroughRG2DArrayI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughR2DArrayUI),
+                                         "Blit11 2DArray PassthroughR2DArrayUI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughR2DArrayI),
+                                         "Blit11 2DArray PassthroughR2DArrayI pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_2DArray),
+                                         "Blit11 2DArray FtoF PM RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_2DArray),
+                                         "Blit11 2DArray FtoF UM RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_PM_RGB_2DArray),
+                                         "Blit11 2DArray FtoF PM RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_UM_RGB_2DArray),
+                                         "Blit11 2DArray FtoF UM RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_TOUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoU_PT_RGBA_2DArray),
+                                         "Blit11 2DArray FtoU PT RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_TOUI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoU_PM_RGBA_2DArray),
+                                         "Blit11 2DArray FtoU PM RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_TOUI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoU_UM_RGBA_2DArray),
+                                         "Blit11 2DArray FtoU UM RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_TOUI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoU_PT_RGB_2DArray),
+                                         "Blit11 2DArray FtoU PT RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_TOUI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoU_PM_RGB_2DArray),
+                                         "Blit11 2DArray FtoU PM RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_TOUI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoU_UM_RGB_2DArray),
+                                         "Blit11 2DArray FtoU UM RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_TOI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoI_PT_RGBA_2DArray),
+                                         "Blit11 2DArray FtoI PT RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_TOI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoI_PM_RGBA_2DArray),
+                                         "Blit11 2DArray FtoI PM RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_TOI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoI_UM_RGBA_2DArray),
+                                         "Blit11 2DArray FtoI UM RGBA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_TOI:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoI_PT_RGB_2DArray),
+                                         "Blit11 2DArray FtoI PT RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_TOI_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoI_PM_RGB_2DArray),
+                                         "Blit11 2DArray FtoI PM RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_TOI_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoI_UM_RGB_2DArray),
+                                         "Blit11 2DArray FtoI UM RGB 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_LUMAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_PM_LUMA_2DArray),
+                                         "Blit11 2DArray FtoF PM LUMA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_LUMAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_UM_LUMA_2DArray),
+                                         "Blit11 2DArray FtoF UM LUMA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_LUMAALPHAF_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_PM_LUMAALPHA_2DArray),
+                                         "Blit11 2DArray FtoF PM LUMAALPHA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_LUMAALPHAF_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_UM_LUMAALPHA_2DArray),
+                                         "Blit11 2DArray FtoF UM LUMAALPHA 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_4444:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGBA2DArray_4444),
+                                         "Blit11 2DArray PassthroughRGBA2DArray 4444 pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_4444_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_4444_2DArray),
+                                         "Blit11 2DArray FtoF PM RGBA 4444 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_4444_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_4444_2DArray),
+                                         "Blit11 2DArray FtoF UM RGBA 4444 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_565:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGB2DArray_565),
+                                         "Blit11 2DArray PassthroughRGB2DArray 565 pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_565_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_PM_RGB_565_2DArray),
+                                         "Blit11 2DArray FtoF PM RGB 565 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBF_565_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_UM_RGB_565_2DArray),
+                                         "Blit11 2DArray FtoF UM RGB 565 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_5551:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_PassthroughRGBA2DArray_5551),
+                                         "Blit11 2DArray PassthroughRGBA2DArray 5551 pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_5551_PREMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_PM_RGBA_5551_2DArray),
+                                         "Blit11 2DArray FtoF PM RGBA 5551 2DArray pixel shader"));
+            break;
+        case BLITSHADER_2DARRAY_RGBAF_5551_UNMULTIPLY:
+            ANGLE_TRY(addBlitShaderToMap(context, blitShaderType, SHADER_2DARRAY,
+                                         ShaderData(g_PS_FtoF_UM_RGBA_5551_2DArray),
+                                         "Blit11 2DArray FtoF UM RGBA 5551 2DArray pixel shader"));
+            break;
+        default:
+            ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    }
+
+    return angle::Result::Continue;
+}
+
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Buffer11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Buffer11.cpp
new file mode 100644
index 0000000000..8cc265f288
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Buffer11.cpp
@@ -0,0 +1,1888 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Buffer11.cpp Defines the Buffer11 class.
+
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+
+#include <memory>
+
+#include "common/MemoryBuffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace rx
+{
+
+namespace
+{
+
+template <typename T>
+GLuint ReadIndexValueFromIndices(const uint8_t *data, size_t index)
+{
+    return reinterpret_cast<const T *>(data)[index];
+}
+typedef GLuint (*ReadIndexValueFunction)(const uint8_t *data, size_t index);
+
+enum class CopyResult
+{
+    RECREATED,
+    NOT_RECREATED,
+};
+
+void CalculateConstantBufferParams(GLintptr offset,
+                                   GLsizeiptr size,
+                                   UINT *outFirstConstant,
+                                   UINT *outNumConstants)
+{
+    // The offset must be aligned to 256 bytes (should have been enforced by glBindBufferRange).
+    ASSERT(offset % 256 == 0);
+
+    // firstConstant and numConstants are expressed in constants of 16-bytes. Furthermore they must
+    // be a multiple of 16 constants.
+    *outFirstConstant = static_cast<UINT>(offset / 16);
+
+    // The GL size is not required to be aligned to a 256 bytes boundary.
+    // Round the size up to a 256 bytes boundary then express the results in constants of 16-bytes.
+    *outNumConstants = static_cast<UINT>(rx::roundUpPow2(size, static_cast<GLsizeiptr>(256)) / 16);
+
+    // Since the size is rounded up, firstConstant + numConstants may be bigger than the actual size
+    // of the buffer. This behaviour is explictly allowed according to the documentation on
+    // ID3D11DeviceContext1::PSSetConstantBuffers1
+    // https://msdn.microsoft.com/en-us/library/windows/desktop/hh404649%28v=vs.85%29.aspx
+}
+
+}  // anonymous namespace
+
+namespace gl_d3d11
+{
+
+D3D11_MAP GetD3DMapTypeFromBits(BufferUsage usage, GLbitfield access)
+{
+    bool readBit  = ((access & GL_MAP_READ_BIT) != 0);
+    bool writeBit = ((access & GL_MAP_WRITE_BIT) != 0);
+
+    ASSERT(readBit || writeBit);
+
+    // Note : we ignore the discard bit, because in D3D11, staging buffers
+    //  don't accept the map-discard flag (discard only works for DYNAMIC usage)
+
+    if (readBit && !writeBit)
+    {
+        return D3D11_MAP_READ;
+    }
+    else if (writeBit && !readBit)
+    {
+        // Special case for uniform storage - we only allow full buffer updates.
+        return usage == BUFFER_USAGE_UNIFORM || usage == BUFFER_USAGE_STRUCTURED
+                   ? D3D11_MAP_WRITE_DISCARD
+                   : D3D11_MAP_WRITE;
+    }
+    else if (writeBit && readBit)
+    {
+        return D3D11_MAP_READ_WRITE;
+    }
+    else
+    {
+        UNREACHABLE();
+        return D3D11_MAP_READ;
+    }
+}
+}  // namespace gl_d3d11
+
+// Each instance of Buffer11::BufferStorage is specialized for a class of D3D binding points
+// - vertex/transform feedback buffers
+// - index buffers
+// - pixel unpack buffers
+// - uniform buffers
+class Buffer11::BufferStorage : angle::NonCopyable
+{
+  public:
+    virtual ~BufferStorage() {}
+
+    DataRevision getDataRevision() const { return mRevision; }
+    BufferUsage getUsage() const { return mUsage; }
+    size_t getSize() const { return mBufferSize; }
+    void setDataRevision(DataRevision rev) { mRevision = rev; }
+
+    virtual bool isCPUAccessible(GLbitfield access) const = 0;
+
+    virtual bool isGPUAccessible() const = 0;
+
+    virtual angle::Result copyFromStorage(const gl::Context *context,
+                                          BufferStorage *source,
+                                          size_t sourceOffset,
+                                          size_t size,
+                                          size_t destOffset,
+                                          CopyResult *resultOut)                             = 0;
+    virtual angle::Result resize(const gl::Context *context, size_t size, bool preserveData) = 0;
+
+    virtual angle::Result map(const gl::Context *context,
+                              size_t offset,
+                              size_t length,
+                              GLbitfield access,
+                              uint8_t **mapPointerOut) = 0;
+    virtual void unmap()                               = 0;
+
+    angle::Result setData(const gl::Context *context,
+                          const uint8_t *data,
+                          size_t offset,
+                          size_t size);
+
+    void setStructureByteStride(unsigned int structureByteStride);
+
+  protected:
+    BufferStorage(Renderer11 *renderer, BufferUsage usage);
+
+    Renderer11 *mRenderer;
+    DataRevision mRevision;
+    const BufferUsage mUsage;
+    size_t mBufferSize;
+};
+
+// A native buffer storage represents an underlying D3D11 buffer for a particular
+// type of storage.
+class Buffer11::NativeStorage : public Buffer11::BufferStorage
+{
+  public:
+    NativeStorage(Renderer11 *renderer, BufferUsage usage, const angle::Subject *onStorageChanged);
+    ~NativeStorage() override;
+
+    bool isCPUAccessible(GLbitfield access) const override;
+
+    bool isGPUAccessible() const override { return true; }
+
+    const d3d11::Buffer &getBuffer() const { return mBuffer; }
+    angle::Result copyFromStorage(const gl::Context *context,
+                                  BufferStorage *source,
+                                  size_t sourceOffset,
+                                  size_t size,
+                                  size_t destOffset,
+                                  CopyResult *resultOut) override;
+    angle::Result resize(const gl::Context *context, size_t size, bool preserveData) override;
+
+    angle::Result map(const gl::Context *context,
+                      size_t offset,
+                      size_t length,
+                      GLbitfield access,
+                      uint8_t **mapPointerOut) override;
+    void unmap() override;
+
+    angle::Result getSRVForFormat(const gl::Context *context,
+                                  DXGI_FORMAT srvFormat,
+                                  const d3d11::ShaderResourceView **srvOut);
+    angle::Result getRawUAV(const gl::Context *context,
+                            unsigned int offset,
+                            unsigned int size,
+                            d3d11::UnorderedAccessView **uavOut);
+
+  protected:
+    d3d11::Buffer mBuffer;
+    const angle::Subject *mOnStorageChanged;
+
+  private:
+    static void FillBufferDesc(D3D11_BUFFER_DESC *bufferDesc,
+                               Renderer11 *renderer,
+                               BufferUsage usage,
+                               unsigned int bufferSize);
+    void clearSRVs();
+    void clearUAVs();
+
+    std::map<DXGI_FORMAT, d3d11::ShaderResourceView> mBufferResourceViews;
+    std::map<std::pair<unsigned int, unsigned int>, d3d11::UnorderedAccessView> mBufferRawUAVs;
+};
+
+class Buffer11::StructuredBufferStorage : public Buffer11::NativeStorage
+{
+  public:
+    StructuredBufferStorage(Renderer11 *renderer,
+                            BufferUsage usage,
+                            const angle::Subject *onStorageChanged);
+    ~StructuredBufferStorage() override;
+    angle::Result resizeStructuredBuffer(const gl::Context *context,
+                                         unsigned int size,
+                                         unsigned int structureByteStride);
+    angle::Result getStructuredBufferRangeSRV(const gl::Context *context,
+                                              unsigned int offset,
+                                              unsigned int size,
+                                              unsigned int structureByteStride,
+                                              const d3d11::ShaderResourceView **bufferOut);
+
+  private:
+    d3d11::ShaderResourceView mStructuredBufferResourceView;
+};
+
+// A emulated indexed buffer storage represents an underlying D3D11 buffer for data
+// that has been expanded to match the indices list used. This storage is only
+// used for FL9_3 pointsprite rendering emulation.
+class Buffer11::EmulatedIndexedStorage : public Buffer11::BufferStorage
+{
+  public:
+    EmulatedIndexedStorage(Renderer11 *renderer);
+    ~EmulatedIndexedStorage() override;
+
+    bool isCPUAccessible(GLbitfield access) const override { return true; }
+
+    bool isGPUAccessible() const override { return false; }
+
+    angle::Result getBuffer(const gl::Context *context,
+                            SourceIndexData *indexInfo,
+                            const TranslatedAttribute &attribute,
+                            GLint startVertex,
+                            const d3d11::Buffer **bufferOut);
+
+    angle::Result copyFromStorage(const gl::Context *context,
+                                  BufferStorage *source,
+                                  size_t sourceOffset,
+                                  size_t size,
+                                  size_t destOffset,
+                                  CopyResult *resultOut) override;
+
+    angle::Result resize(const gl::Context *context, size_t size, bool preserveData) override;
+
+    angle::Result map(const gl::Context *context,
+                      size_t offset,
+                      size_t length,
+                      GLbitfield access,
+                      uint8_t **mapPointerOut) override;
+    void unmap() override;
+
+  private:
+    d3d11::Buffer mBuffer;                     // contains expanded data for use by D3D
+    angle::MemoryBuffer mMemoryBuffer;         // original data (not expanded)
+    angle::MemoryBuffer mIndicesMemoryBuffer;  // indices data
+};
+
+// Pack storage represents internal storage for pack buffers. We implement pack buffers
+// as CPU memory, tied to a staging texture, for asynchronous texture readback.
+class Buffer11::PackStorage : public Buffer11::BufferStorage
+{
+  public:
+    explicit PackStorage(Renderer11 *renderer);
+    ~PackStorage() override;
+
+    bool isCPUAccessible(GLbitfield access) const override { return true; }
+
+    bool isGPUAccessible() const override { return false; }
+
+    angle::Result copyFromStorage(const gl::Context *context,
+                                  BufferStorage *source,
+                                  size_t sourceOffset,
+                                  size_t size,
+                                  size_t destOffset,
+                                  CopyResult *resultOut) override;
+    angle::Result resize(const gl::Context *context, size_t size, bool preserveData) override;
+
+    angle::Result map(const gl::Context *context,
+                      size_t offset,
+                      size_t length,
+                      GLbitfield access,
+                      uint8_t **mapPointerOut) override;
+    void unmap() override;
+
+    angle::Result packPixels(const gl::Context *context,
+                             const gl::FramebufferAttachment &readAttachment,
+                             const PackPixelsParams &params);
+
+  private:
+    angle::Result flushQueuedPackCommand(const gl::Context *context);
+
+    TextureHelper11 mStagingTexture;
+    angle::MemoryBuffer mMemoryBuffer;
+    std::unique_ptr<PackPixelsParams> mQueuedPackCommand;
+    PackPixelsParams mPackParams;
+    bool mDataModified;
+};
+
+// System memory storage stores a CPU memory buffer with our buffer data.
+// For dynamic data, it's much faster to update the CPU memory buffer than
+// it is to update a D3D staging buffer and read it back later.
+class Buffer11::SystemMemoryStorage : public Buffer11::BufferStorage
+{
+  public:
+    explicit SystemMemoryStorage(Renderer11 *renderer);
+    ~SystemMemoryStorage() override {}
+
+    bool isCPUAccessible(GLbitfield access) const override { return true; }
+
+    bool isGPUAccessible() const override { return false; }
+
+    angle::Result copyFromStorage(const gl::Context *context,
+                                  BufferStorage *source,
+                                  size_t sourceOffset,
+                                  size_t size,
+                                  size_t destOffset,
+                                  CopyResult *resultOut) override;
+    angle::Result resize(const gl::Context *context, size_t size, bool preserveData) override;
+
+    angle::Result map(const gl::Context *context,
+                      size_t offset,
+                      size_t length,
+                      GLbitfield access,
+                      uint8_t **mapPointerOut) override;
+    void unmap() override;
+
+    angle::MemoryBuffer *getSystemCopy() { return &mSystemCopy; }
+
+  protected:
+    angle::MemoryBuffer mSystemCopy;
+};
+
+Buffer11::Buffer11(const gl::BufferState &state, Renderer11 *renderer)
+    : BufferD3D(state, renderer),
+      mRenderer(renderer),
+      mSize(0),
+      mMappedStorage(nullptr),
+      mBufferStorages({}),
+      mLatestBufferStorage(nullptr),
+      mDeallocThresholds({}),
+      mIdleness({}),
+      mConstantBufferStorageAdditionalSize(0),
+      mMaxConstantBufferLruCount(0),
+      mStructuredBufferStorageAdditionalSize(0),
+      mMaxStructuredBufferLruCount(0)
+{}
+
+Buffer11::~Buffer11()
+{
+    for (BufferStorage *&storage : mBufferStorages)
+    {
+        SafeDelete(storage);
+    }
+
+    for (auto &p : mConstantBufferRangeStoragesCache)
+    {
+        SafeDelete(p.second.storage);
+    }
+
+    for (auto &p : mStructuredBufferRangeStoragesCache)
+    {
+        SafeDelete(p.second.storage);
+    }
+
+    mRenderer->onBufferDelete(this);
+}
+
+angle::Result Buffer11::setData(const gl::Context *context,
+                                gl::BufferBinding target,
+                                const void *data,
+                                size_t size,
+                                gl::BufferUsage usage)
+{
+    updateD3DBufferUsage(context, usage);
+    return setSubData(context, target, data, size, 0);
+}
+
+angle::Result Buffer11::getData(const gl::Context *context, const uint8_t **outData)
+{
+    if (mSize == 0)
+    {
+        // TODO(http://anglebug.com/2840): This ensures that we don't crash or assert in robust
+        // buffer access behavior mode if there are buffers without any data. However, technically
+        // it should still be possible to draw, with fetches from this buffer returning zero.
+        return angle::Result::Stop;
+    }
+
+    SystemMemoryStorage *systemMemoryStorage = nullptr;
+    ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_SYSTEM_MEMORY, &systemMemoryStorage));
+
+    ASSERT(systemMemoryStorage->getSize() >= mSize);
+
+    *outData = systemMemoryStorage->getSystemCopy()->data();
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::setSubData(const gl::Context *context,
+                                   gl::BufferBinding target,
+                                   const void *data,
+                                   size_t size,
+                                   size_t offset)
+{
+    size_t requiredSize = size + offset;
+
+    if (data && size > 0)
+    {
+        // Use system memory storage for dynamic buffers.
+        // Try using a constant storage for constant buffers
+        BufferStorage *writeBuffer = nullptr;
+        if (target == gl::BufferBinding::Uniform)
+        {
+            // If we are a very large uniform buffer, keep system memory storage around so that we
+            // aren't forced to read back from a constant buffer. We also check the workaround for
+            // Intel - this requires us to use system memory so we don't end up having to copy from
+            // a constant buffer to a staging buffer.
+            // TODO(jmadill): Use Context caps.
+            if (offset == 0 && size >= mSize &&
+                size <= static_cast<UINT>(mRenderer->getNativeCaps().maxUniformBlockSize) &&
+                !mRenderer->getFeatures().useSystemMemoryForConstantBuffers.enabled)
+            {
+                BufferStorage *latestStorage = nullptr;
+                ANGLE_TRY(getLatestBufferStorage(context, &latestStorage));
+                if (latestStorage && (latestStorage->getUsage() == BUFFER_USAGE_STRUCTURED))
+                {
+                    ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_STRUCTURED, &writeBuffer));
+                }
+                else
+                {
+                    ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_UNIFORM, &writeBuffer));
+                }
+            }
+            else
+            {
+                ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_SYSTEM_MEMORY, &writeBuffer));
+            }
+        }
+        else if (supportsDirectBinding())
+        {
+            ANGLE_TRY(getStagingStorage(context, &writeBuffer));
+        }
+        else
+        {
+            ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_SYSTEM_MEMORY, &writeBuffer));
+        }
+
+        ASSERT(writeBuffer);
+
+        // Explicitly resize the staging buffer, preserving data if the new data will not
+        // completely fill the buffer
+        if (writeBuffer->getSize() < requiredSize)
+        {
+            bool preserveData = (offset > 0);
+            ANGLE_TRY(writeBuffer->resize(context, requiredSize, preserveData));
+        }
+
+        ANGLE_TRY(writeBuffer->setData(context, static_cast<const uint8_t *>(data), offset, size));
+        onStorageUpdate(writeBuffer);
+    }
+
+    mSize = std::max(mSize, requiredSize);
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::copySubData(const gl::Context *context,
+                                    BufferImpl *source,
+                                    GLintptr sourceOffset,
+                                    GLintptr destOffset,
+                                    GLsizeiptr size)
+{
+    Buffer11 *sourceBuffer = GetAs<Buffer11>(source);
+    ASSERT(sourceBuffer != nullptr);
+
+    BufferStorage *copyDest = nullptr;
+    ANGLE_TRY(getLatestBufferStorage(context, &copyDest));
+
+    if (!copyDest)
+    {
+        ANGLE_TRY(getStagingStorage(context, &copyDest));
+    }
+
+    BufferStorage *copySource = nullptr;
+    ANGLE_TRY(sourceBuffer->getLatestBufferStorage(context, &copySource));
+
+    if (!copySource)
+    {
+        ANGLE_TRY(sourceBuffer->getStagingStorage(context, &copySource));
+    }
+
+    ASSERT(copySource && copyDest);
+
+    // A staging buffer is needed if there is no cpu-cpu or gpu-gpu copy path avaiable.
+    if (!copyDest->isGPUAccessible() && !copySource->isCPUAccessible(GL_MAP_READ_BIT))
+    {
+        ANGLE_TRY(sourceBuffer->getStagingStorage(context, &copySource));
+    }
+    else if (!copySource->isGPUAccessible() && !copyDest->isCPUAccessible(GL_MAP_WRITE_BIT))
+    {
+        ANGLE_TRY(getStagingStorage(context, &copyDest));
+    }
+
+    // D3D11 does not allow overlapped copies until 11.1, and only if the
+    // device supports D3D11_FEATURE_DATA_D3D11_OPTIONS::CopyWithOverlap
+    // Get around this via a different source buffer
+    if (copySource == copyDest)
+    {
+        if (copySource->getUsage() == BUFFER_USAGE_STAGING)
+        {
+            ANGLE_TRY(
+                getBufferStorage(context, BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK, &copySource));
+        }
+        else
+        {
+            ANGLE_TRY(getStagingStorage(context, &copySource));
+        }
+    }
+
+    CopyResult copyResult = CopyResult::NOT_RECREATED;
+    ANGLE_TRY(copyDest->copyFromStorage(context, copySource, sourceOffset, size, destOffset,
+                                        &copyResult));
+    onStorageUpdate(copyDest);
+
+    mSize = std::max<size_t>(mSize, destOffset + size);
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::map(const gl::Context *context, GLenum access, void **mapPtr)
+{
+    // GL_OES_mapbuffer uses an enum instead of a bitfield for it's access, convert to a bitfield
+    // and call mapRange.
+    ASSERT(access == GL_WRITE_ONLY_OES);
+    return mapRange(context, 0, mSize, GL_MAP_WRITE_BIT, mapPtr);
+}
+
+angle::Result Buffer11::mapRange(const gl::Context *context,
+                                 size_t offset,
+                                 size_t length,
+                                 GLbitfield access,
+                                 void **mapPtr)
+{
+    ASSERT(!mMappedStorage);
+
+    BufferStorage *latestStorage = nullptr;
+    ANGLE_TRY(getLatestBufferStorage(context, &latestStorage));
+
+    if (latestStorage && (latestStorage->getUsage() == BUFFER_USAGE_PIXEL_PACK ||
+                          latestStorage->getUsage() == BUFFER_USAGE_STAGING))
+    {
+        // Latest storage is mappable.
+        mMappedStorage = latestStorage;
+    }
+    else
+    {
+        // Fall back to using the staging buffer if the latest storage does not exist or is not
+        // CPU-accessible.
+        ANGLE_TRY(getStagingStorage(context, &mMappedStorage));
+    }
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+    ANGLE_CHECK_GL_ALLOC(context11, mMappedStorage);
+
+    if ((access & GL_MAP_WRITE_BIT) > 0)
+    {
+        // Update the data revision immediately, since the data might be changed at any time
+        onStorageUpdate(mMappedStorage);
+        invalidateStaticData(context);
+    }
+
+    uint8_t *mappedBuffer = nullptr;
+    ANGLE_TRY(mMappedStorage->map(context, offset, length, access, &mappedBuffer));
+    ASSERT(mappedBuffer);
+
+    *mapPtr = static_cast<void *>(mappedBuffer);
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::unmap(const gl::Context *context, GLboolean *result)
+{
+    ASSERT(mMappedStorage);
+    mMappedStorage->unmap();
+    mMappedStorage = nullptr;
+
+    // TODO: detect if we had corruption. if so, return false.
+    *result = GL_TRUE;
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::markTransformFeedbackUsage(const gl::Context *context)
+{
+    ANGLE_TRY(markBufferUsage(context, BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK));
+    return angle::Result::Continue;
+}
+
+void Buffer11::updateDeallocThreshold(BufferUsage usage)
+{
+    // The following strategy was tuned on the Oort online benchmark (http://oortonline.gl/)
+    // as well as a custom microbenchmark (IndexConversionPerfTest.Run/index_range_d3d11)
+
+    // First readback: 8 unmodified uses before we free buffer memory.
+    // After that, double the threshold each time until we reach the max.
+    if (mDeallocThresholds[usage] == 0)
+    {
+        mDeallocThresholds[usage] = 8;
+    }
+    else if (mDeallocThresholds[usage] < std::numeric_limits<unsigned int>::max() / 2u)
+    {
+        mDeallocThresholds[usage] *= 2u;
+    }
+    else
+    {
+        mDeallocThresholds[usage] = std::numeric_limits<unsigned int>::max();
+    }
+}
+
+// Free the storage if we decide it isn't being used very often.
+angle::Result Buffer11::checkForDeallocation(const gl::Context *context, BufferUsage usage)
+{
+    mIdleness[usage]++;
+
+    BufferStorage *&storage = mBufferStorages[usage];
+    if (storage != nullptr && mIdleness[usage] > mDeallocThresholds[usage])
+    {
+        BufferStorage *latestStorage = nullptr;
+        ANGLE_TRY(getLatestBufferStorage(context, &latestStorage));
+        if (latestStorage != storage)
+        {
+            SafeDelete(storage);
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+// Keep system memory when we are using it for the canonical version of data.
+bool Buffer11::canDeallocateSystemMemory() const
+{
+    // Must keep system memory on Intel.
+    if (mRenderer->getFeatures().useSystemMemoryForConstantBuffers.enabled)
+    {
+        return false;
+    }
+
+    return (!mBufferStorages[BUFFER_USAGE_UNIFORM] ||
+            mSize <= static_cast<size_t>(mRenderer->getNativeCaps().maxUniformBlockSize));
+}
+
+void Buffer11::markBufferUsage(BufferUsage usage)
+{
+    mIdleness[usage] = 0;
+}
+
+angle::Result Buffer11::markBufferUsage(const gl::Context *context, BufferUsage usage)
+{
+    BufferStorage *bufferStorage = nullptr;
+    ANGLE_TRY(getBufferStorage(context, usage, &bufferStorage));
+
+    if (bufferStorage)
+    {
+        onStorageUpdate(bufferStorage);
+    }
+
+    invalidateStaticData(context);
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::garbageCollection(const gl::Context *context, BufferUsage currentUsage)
+{
+    if (currentUsage != BUFFER_USAGE_SYSTEM_MEMORY && canDeallocateSystemMemory())
+    {
+        ANGLE_TRY(checkForDeallocation(context, BUFFER_USAGE_SYSTEM_MEMORY));
+    }
+
+    if (currentUsage != BUFFER_USAGE_STAGING)
+    {
+        ANGLE_TRY(checkForDeallocation(context, BUFFER_USAGE_STAGING));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::getBuffer(const gl::Context *context,
+                                  BufferUsage usage,
+                                  ID3D11Buffer **bufferOut)
+{
+    NativeStorage *storage = nullptr;
+    ANGLE_TRY(getBufferStorage(context, usage, &storage));
+    *bufferOut = storage->getBuffer().get();
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::getEmulatedIndexedBuffer(const gl::Context *context,
+                                                 SourceIndexData *indexInfo,
+                                                 const TranslatedAttribute &attribute,
+                                                 GLint startVertex,
+                                                 ID3D11Buffer **bufferOut)
+{
+    ASSERT(indexInfo);
+
+    EmulatedIndexedStorage *emulatedStorage = nullptr;
+    ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_EMULATED_INDEXED_VERTEX, &emulatedStorage));
+
+    const d3d11::Buffer *nativeBuffer = nullptr;
+    ANGLE_TRY(
+        emulatedStorage->getBuffer(context, indexInfo, attribute, startVertex, &nativeBuffer));
+    *bufferOut = nativeBuffer->get();
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::getConstantBufferRange(const gl::Context *context,
+                                               GLintptr offset,
+                                               GLsizeiptr size,
+                                               const d3d11::Buffer **bufferOut,
+                                               UINT *firstConstantOut,
+                                               UINT *numConstantsOut)
+{
+    NativeStorage *bufferStorage = nullptr;
+    if ((offset == 0 &&
+         size < static_cast<GLsizeiptr>(mRenderer->getNativeCaps().maxUniformBlockSize)) ||
+        mRenderer->getRenderer11DeviceCaps().supportsConstantBufferOffsets)
+    {
+        ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_UNIFORM, &bufferStorage));
+        CalculateConstantBufferParams(offset, size, firstConstantOut, numConstantsOut);
+    }
+    else
+    {
+        ANGLE_TRY(getConstantBufferRangeStorage(context, offset, size, &bufferStorage));
+        *firstConstantOut = 0;
+        *numConstantsOut  = 0;
+    }
+
+    *bufferOut = &bufferStorage->getBuffer();
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::markRawBufferUsage(const gl::Context *context)
+{
+    ANGLE_TRY(markBufferUsage(context, BUFFER_USAGE_RAW_UAV));
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::markTypedBufferUsage(const gl::Context *context)
+{
+    ANGLE_TRY(markBufferUsage(context, BUFFER_USAGE_TYPED_UAV));
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::getRawUAVRange(const gl::Context *context,
+                                       GLintptr offset,
+                                       GLsizeiptr size,
+                                       d3d11::UnorderedAccessView **uavOut)
+{
+    NativeStorage *nativeStorage = nullptr;
+    ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_RAW_UAV, &nativeStorage));
+
+    return nativeStorage->getRawUAV(context, static_cast<unsigned int>(offset),
+                                    static_cast<unsigned int>(size), uavOut);
+}
+
+angle::Result Buffer11::getSRV(const gl::Context *context,
+                               DXGI_FORMAT srvFormat,
+                               const d3d11::ShaderResourceView **srvOut)
+{
+    NativeStorage *nativeStorage = nullptr;
+    ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_PIXEL_UNPACK, &nativeStorage));
+    return nativeStorage->getSRVForFormat(context, srvFormat, srvOut);
+}
+
+angle::Result Buffer11::packPixels(const gl::Context *context,
+                                   const gl::FramebufferAttachment &readAttachment,
+                                   const PackPixelsParams &params)
+{
+    PackStorage *packStorage = nullptr;
+    ANGLE_TRY(getBufferStorage(context, BUFFER_USAGE_PIXEL_PACK, &packStorage));
+
+    ASSERT(packStorage);
+    ANGLE_TRY(packStorage->packPixels(context, readAttachment, params));
+    onStorageUpdate(packStorage);
+
+    return angle::Result::Continue;
+}
+
+size_t Buffer11::getTotalCPUBufferMemoryBytes() const
+{
+    size_t allocationSize = 0;
+
+    BufferStorage *staging = mBufferStorages[BUFFER_USAGE_STAGING];
+    allocationSize += staging ? staging->getSize() : 0;
+
+    BufferStorage *sysMem = mBufferStorages[BUFFER_USAGE_SYSTEM_MEMORY];
+    allocationSize += sysMem ? sysMem->getSize() : 0;
+
+    return allocationSize;
+}
+
+template <typename StorageOutT>
+angle::Result Buffer11::getBufferStorage(const gl::Context *context,
+                                         BufferUsage usage,
+                                         StorageOutT **storageOut)
+{
+    ASSERT(0 <= usage && usage < BUFFER_USAGE_COUNT);
+    BufferStorage *&newStorage = mBufferStorages[usage];
+
+    if (!newStorage)
+    {
+        newStorage = allocateStorage(usage);
+    }
+
+    markBufferUsage(usage);
+
+    // resize buffer
+    if (newStorage->getSize() < mSize)
+    {
+        ANGLE_TRY(newStorage->resize(context, mSize, true));
+    }
+
+    ASSERT(newStorage);
+
+    ANGLE_TRY(updateBufferStorage(context, newStorage, 0, mSize));
+    ANGLE_TRY(garbageCollection(context, usage));
+
+    *storageOut = GetAs<StorageOutT>(newStorage);
+    return angle::Result::Continue;
+}
+
+Buffer11::BufferStorage *Buffer11::allocateStorage(BufferUsage usage)
+{
+    updateDeallocThreshold(usage);
+    switch (usage)
+    {
+        case BUFFER_USAGE_PIXEL_PACK:
+            return new PackStorage(mRenderer);
+        case BUFFER_USAGE_SYSTEM_MEMORY:
+            return new SystemMemoryStorage(mRenderer);
+        case BUFFER_USAGE_EMULATED_INDEXED_VERTEX:
+            return new EmulatedIndexedStorage(mRenderer);
+        case BUFFER_USAGE_INDEX:
+        case BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK:
+            return new NativeStorage(mRenderer, usage, this);
+        case BUFFER_USAGE_STRUCTURED:
+            return new StructuredBufferStorage(mRenderer, usage, nullptr);
+        default:
+            return new NativeStorage(mRenderer, usage, nullptr);
+    }
+}
+
+angle::Result Buffer11::getConstantBufferRangeStorage(const gl::Context *context,
+                                                      GLintptr offset,
+                                                      GLsizeiptr size,
+                                                      Buffer11::NativeStorage **storageOut)
+{
+    BufferStorage *newStorage;
+    {
+        // Keep the cacheEntry in a limited scope because it may be invalidated later in the code if
+        // we need to reclaim some space.
+        BufferCacheEntry *cacheEntry = &mConstantBufferRangeStoragesCache[offset];
+
+        if (!cacheEntry->storage)
+        {
+            cacheEntry->storage  = allocateStorage(BUFFER_USAGE_UNIFORM);
+            cacheEntry->lruCount = ++mMaxConstantBufferLruCount;
+        }
+
+        cacheEntry->lruCount = ++mMaxConstantBufferLruCount;
+        newStorage           = cacheEntry->storage;
+    }
+
+    markBufferUsage(BUFFER_USAGE_UNIFORM);
+
+    if (newStorage->getSize() < static_cast<size_t>(size))
+    {
+        size_t maximumAllowedAdditionalSize = 2 * getSize();
+
+        size_t sizeDelta = size - newStorage->getSize();
+
+        while (mConstantBufferStorageAdditionalSize + sizeDelta > maximumAllowedAdditionalSize)
+        {
+            auto iter = std::min_element(
+                std::begin(mConstantBufferRangeStoragesCache),
+                std::end(mConstantBufferRangeStoragesCache),
+                [](const BufferCache::value_type &a, const BufferCache::value_type &b) {
+                    return a.second.lruCount < b.second.lruCount;
+                });
+
+            ASSERT(iter->second.storage != newStorage);
+            ASSERT(mConstantBufferStorageAdditionalSize >= iter->second.storage->getSize());
+
+            mConstantBufferStorageAdditionalSize -= iter->second.storage->getSize();
+            SafeDelete(iter->second.storage);
+            mConstantBufferRangeStoragesCache.erase(iter);
+        }
+
+        ANGLE_TRY(newStorage->resize(context, size, false));
+        mConstantBufferStorageAdditionalSize += sizeDelta;
+
+        // We don't copy the old data when resizing the constant buffer because the data may be
+        // out-of-date therefore we reset the data revision and let updateBufferStorage() handle the
+        // copy.
+        newStorage->setDataRevision(0);
+    }
+
+    ANGLE_TRY(updateBufferStorage(context, newStorage, offset, size));
+    ANGLE_TRY(garbageCollection(context, BUFFER_USAGE_UNIFORM));
+    *storageOut = GetAs<NativeStorage>(newStorage);
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::getStructuredBufferRangeSRV(const gl::Context *context,
+                                                    unsigned int offset,
+                                                    unsigned int size,
+                                                    unsigned int structureByteStride,
+                                                    const d3d11::ShaderResourceView **srvOut)
+{
+    BufferStorage *newStorage;
+
+    {
+        // Keep the cacheEntry in a limited scope because it may be invalidated later in the code if
+        // we need to reclaim some space.
+        StructuredBufferKey structuredBufferKey = StructuredBufferKey(offset, structureByteStride);
+        BufferCacheEntry *cacheEntry = &mStructuredBufferRangeStoragesCache[structuredBufferKey];
+
+        if (!cacheEntry->storage)
+        {
+            cacheEntry->storage  = allocateStorage(BUFFER_USAGE_STRUCTURED);
+            cacheEntry->lruCount = ++mMaxStructuredBufferLruCount;
+        }
+
+        cacheEntry->lruCount = ++mMaxStructuredBufferLruCount;
+        newStorage           = cacheEntry->storage;
+    }
+
+    StructuredBufferStorage *structuredBufferStorage = GetAs<StructuredBufferStorage>(newStorage);
+
+    markBufferUsage(BUFFER_USAGE_STRUCTURED);
+
+    if (newStorage->getSize() < static_cast<size_t>(size))
+    {
+        size_t maximumAllowedAdditionalSize = 2 * getSize();
+
+        size_t sizeDelta = static_cast<size_t>(size) - newStorage->getSize();
+
+        while (mStructuredBufferStorageAdditionalSize + sizeDelta > maximumAllowedAdditionalSize)
+        {
+            auto iter = std::min_element(std::begin(mStructuredBufferRangeStoragesCache),
+                                         std::end(mStructuredBufferRangeStoragesCache),
+                                         [](const StructuredBufferCache::value_type &a,
+                                            const StructuredBufferCache::value_type &b) {
+                                             return a.second.lruCount < b.second.lruCount;
+                                         });
+
+            ASSERT(iter->second.storage != newStorage);
+            ASSERT(mStructuredBufferStorageAdditionalSize >= iter->second.storage->getSize());
+
+            mStructuredBufferStorageAdditionalSize -= iter->second.storage->getSize();
+            SafeDelete(iter->second.storage);
+            mStructuredBufferRangeStoragesCache.erase(iter);
+        }
+
+        ANGLE_TRY(
+            structuredBufferStorage->resizeStructuredBuffer(context, size, structureByteStride));
+        mStructuredBufferStorageAdditionalSize += sizeDelta;
+
+        // We don't copy the old data when resizing the structured buffer because the data may be
+        // out-of-date therefore we reset the data revision and let updateBufferStorage() handle the
+        // copy.
+        newStorage->setDataRevision(0);
+    }
+
+    ANGLE_TRY(updateBufferStorage(context, newStorage, offset, static_cast<size_t>(size)));
+    ANGLE_TRY(garbageCollection(context, BUFFER_USAGE_STRUCTURED));
+    ANGLE_TRY(structuredBufferStorage->getStructuredBufferRangeSRV(context, offset, size,
+                                                                   structureByteStride, srvOut));
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::updateBufferStorage(const gl::Context *context,
+                                            BufferStorage *storage,
+                                            size_t sourceOffset,
+                                            size_t storageSize)
+{
+    BufferStorage *latestBuffer = nullptr;
+    ANGLE_TRY(getLatestBufferStorage(context, &latestBuffer));
+
+    ASSERT(storage);
+
+    if (!latestBuffer)
+    {
+        onStorageUpdate(storage);
+        return angle::Result::Continue;
+    }
+
+    if (latestBuffer->getDataRevision() <= storage->getDataRevision())
+    {
+        return angle::Result::Continue;
+    }
+
+    if (latestBuffer->getSize() == 0 || storage->getSize() == 0)
+    {
+        return angle::Result::Continue;
+    }
+
+    // Copy through a staging buffer if we're copying from or to a non-staging, mappable
+    // buffer storage. This is because we can't map a GPU buffer, and copy CPU
+    // data directly. If we're already using a staging buffer we're fine.
+    if (latestBuffer->getUsage() != BUFFER_USAGE_STAGING &&
+        storage->getUsage() != BUFFER_USAGE_STAGING &&
+        (!latestBuffer->isCPUAccessible(GL_MAP_READ_BIT) ||
+         !storage->isCPUAccessible(GL_MAP_WRITE_BIT)))
+    {
+        NativeStorage *stagingBuffer = nullptr;
+        ANGLE_TRY(getStagingStorage(context, &stagingBuffer));
+
+        CopyResult copyResult = CopyResult::NOT_RECREATED;
+        ANGLE_TRY(stagingBuffer->copyFromStorage(context, latestBuffer, 0, latestBuffer->getSize(),
+                                                 0, &copyResult));
+        onCopyStorage(stagingBuffer, latestBuffer);
+
+        latestBuffer = stagingBuffer;
+    }
+
+    CopyResult copyResult = CopyResult::NOT_RECREATED;
+    ANGLE_TRY(
+        storage->copyFromStorage(context, latestBuffer, sourceOffset, storageSize, 0, &copyResult));
+    // If the D3D buffer has been recreated, we should update our serial.
+    if (copyResult == CopyResult::RECREATED)
+    {
+        updateSerial();
+    }
+    onCopyStorage(storage, latestBuffer);
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::getLatestBufferStorage(const gl::Context *context,
+                                               Buffer11::BufferStorage **storageOut) const
+{
+    // resize buffer
+    if (mLatestBufferStorage && mLatestBufferStorage->getSize() < mSize)
+    {
+        ANGLE_TRY(mLatestBufferStorage->resize(context, mSize, true));
+    }
+
+    *storageOut = mLatestBufferStorage;
+    return angle::Result::Continue;
+}
+
+template <typename StorageOutT>
+angle::Result Buffer11::getStagingStorage(const gl::Context *context, StorageOutT **storageOut)
+{
+    return getBufferStorage(context, BUFFER_USAGE_STAGING, storageOut);
+}
+
+size_t Buffer11::getSize() const
+{
+    return mSize;
+}
+
+bool Buffer11::supportsDirectBinding() const
+{
+    // Do not support direct buffers for dynamic data. The streaming buffer
+    // offers better performance for data which changes every frame.
+    return (mUsage == D3DBufferUsage::STATIC);
+}
+
+void Buffer11::initializeStaticData(const gl::Context *context)
+{
+    BufferD3D::initializeStaticData(context);
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+}
+
+void Buffer11::invalidateStaticData(const gl::Context *context)
+{
+    BufferD3D::invalidateStaticData(context);
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+}
+
+void Buffer11::onCopyStorage(BufferStorage *dest, BufferStorage *source)
+{
+    ASSERT(source && mLatestBufferStorage);
+    dest->setDataRevision(source->getDataRevision());
+
+    // Only update the latest buffer storage if our usage index is lower. See comment in header.
+    if (dest->getUsage() < mLatestBufferStorage->getUsage())
+    {
+        mLatestBufferStorage = dest;
+    }
+}
+
+void Buffer11::onStorageUpdate(BufferStorage *updatedStorage)
+{
+    updatedStorage->setDataRevision(updatedStorage->getDataRevision() + 1);
+    mLatestBufferStorage = updatedStorage;
+}
+
+// Buffer11::BufferStorage implementation
+
+Buffer11::BufferStorage::BufferStorage(Renderer11 *renderer, BufferUsage usage)
+    : mRenderer(renderer), mRevision(0), mUsage(usage), mBufferSize(0)
+{}
+
+angle::Result Buffer11::BufferStorage::setData(const gl::Context *context,
+                                               const uint8_t *data,
+                                               size_t offset,
+                                               size_t size)
+{
+    ASSERT(isCPUAccessible(GL_MAP_WRITE_BIT));
+
+    // Uniform storage can have a different internal size than the buffer size. Ensure we don't
+    // overflow.
+    size_t mapSize = std::min(size, mBufferSize - offset);
+
+    uint8_t *writePointer = nullptr;
+    ANGLE_TRY(map(context, offset, mapSize, GL_MAP_WRITE_BIT, &writePointer));
+
+    memcpy(writePointer, data, mapSize);
+
+    unmap();
+
+    return angle::Result::Continue;
+}
+
+// Buffer11::NativeStorage implementation
+
+Buffer11::NativeStorage::NativeStorage(Renderer11 *renderer,
+                                       BufferUsage usage,
+                                       const angle::Subject *onStorageChanged)
+    : BufferStorage(renderer, usage), mBuffer(), mOnStorageChanged(onStorageChanged)
+{}
+
+Buffer11::NativeStorage::~NativeStorage()
+{
+    clearSRVs();
+    clearUAVs();
+}
+
+bool Buffer11::NativeStorage::isCPUAccessible(GLbitfield access) const
+{
+    if ((access & GL_MAP_READ_BIT) != 0)
+    {
+        // Read is more exclusive than write mappability.
+        return (mUsage == BUFFER_USAGE_STAGING);
+    }
+    ASSERT((access & GL_MAP_WRITE_BIT) != 0);
+    return (mUsage == BUFFER_USAGE_STAGING || mUsage == BUFFER_USAGE_UNIFORM ||
+            mUsage == BUFFER_USAGE_STRUCTURED);
+}
+
+// Returns true if it recreates the direct buffer
+angle::Result Buffer11::NativeStorage::copyFromStorage(const gl::Context *context,
+                                                       BufferStorage *source,
+                                                       size_t sourceOffset,
+                                                       size_t size,
+                                                       size_t destOffset,
+                                                       CopyResult *resultOut)
+{
+    size_t requiredSize = destOffset + size;
+
+    // (Re)initialize D3D buffer if needed
+    bool preserveData = (destOffset > 0);
+    if (!mBuffer.valid() || mBufferSize < requiredSize)
+    {
+        ANGLE_TRY(resize(context, requiredSize, preserveData));
+        *resultOut = CopyResult::RECREATED;
+    }
+    else
+    {
+        *resultOut = CopyResult::NOT_RECREATED;
+    }
+
+    size_t clampedSize = size;
+    if (mUsage == BUFFER_USAGE_UNIFORM)
+    {
+        clampedSize = std::min(clampedSize, mBufferSize - destOffset);
+    }
+
+    if (clampedSize == 0)
+    {
+        return angle::Result::Continue;
+    }
+
+    if (source->getUsage() == BUFFER_USAGE_PIXEL_PACK ||
+        source->getUsage() == BUFFER_USAGE_SYSTEM_MEMORY)
+    {
+        ASSERT(source->isCPUAccessible(GL_MAP_READ_BIT) && isCPUAccessible(GL_MAP_WRITE_BIT));
+
+        // Uniform buffers must be mapped with write/discard.
+        ASSERT(!(preserveData && mUsage == BUFFER_USAGE_UNIFORM));
+
+        uint8_t *sourcePointer = nullptr;
+        ANGLE_TRY(source->map(context, sourceOffset, clampedSize, GL_MAP_READ_BIT, &sourcePointer));
+
+        auto err = setData(context, sourcePointer, destOffset, clampedSize);
+        source->unmap();
+        ANGLE_TRY(err);
+    }
+    else
+    {
+        D3D11_BOX srcBox;
+        srcBox.left   = static_cast<unsigned int>(sourceOffset);
+        srcBox.right  = static_cast<unsigned int>(sourceOffset + clampedSize);
+        srcBox.top    = 0;
+        srcBox.bottom = 1;
+        srcBox.front  = 0;
+        srcBox.back   = 1;
+
+        const d3d11::Buffer *sourceBuffer = &GetAs<NativeStorage>(source)->getBuffer();
+
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        deviceContext->CopySubresourceRegion(mBuffer.get(), 0,
+                                             static_cast<unsigned int>(destOffset), 0, 0,
+                                             sourceBuffer->get(), 0, &srcBox);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::NativeStorage::resize(const gl::Context *context,
+                                              size_t size,
+                                              bool preserveData)
+{
+    if (size == 0)
+    {
+        mBuffer.reset();
+        mBufferSize = 0;
+        return angle::Result::Continue;
+    }
+
+    D3D11_BUFFER_DESC bufferDesc;
+    FillBufferDesc(&bufferDesc, mRenderer, mUsage, static_cast<unsigned int>(size));
+
+    d3d11::Buffer newBuffer;
+    ANGLE_TRY(
+        mRenderer->allocateResource(SafeGetImplAs<Context11>(context), bufferDesc, &newBuffer));
+    newBuffer.setInternalName("Buffer11::NativeStorage");
+
+    if (mBuffer.valid() && preserveData)
+    {
+        // We don't call resize if the buffer is big enough already.
+        ASSERT(mBufferSize <= size);
+
+        D3D11_BOX srcBox;
+        srcBox.left   = 0;
+        srcBox.right  = static_cast<unsigned int>(mBufferSize);
+        srcBox.top    = 0;
+        srcBox.bottom = 1;
+        srcBox.front  = 0;
+        srcBox.back   = 1;
+
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        deviceContext->CopySubresourceRegion(newBuffer.get(), 0, 0, 0, 0, mBuffer.get(), 0,
+                                             &srcBox);
+    }
+
+    // No longer need the old buffer
+    mBuffer = std::move(newBuffer);
+
+    mBufferSize = bufferDesc.ByteWidth;
+
+    // Free the SRVs.
+    clearSRVs();
+
+    // Free the UAVs.
+    clearUAVs();
+
+    // Notify that the storage has changed.
+    if (mOnStorageChanged)
+    {
+        mOnStorageChanged->onStateChange(angle::SubjectMessage::SubjectChanged);
+    }
+
+    return angle::Result::Continue;
+}
+
+// static
+void Buffer11::NativeStorage::FillBufferDesc(D3D11_BUFFER_DESC *bufferDesc,
+                                             Renderer11 *renderer,
+                                             BufferUsage usage,
+                                             unsigned int bufferSize)
+{
+    bufferDesc->ByteWidth           = bufferSize;
+    bufferDesc->MiscFlags           = 0;
+    bufferDesc->StructureByteStride = 0;
+
+    switch (usage)
+    {
+        case BUFFER_USAGE_STAGING:
+            bufferDesc->Usage          = D3D11_USAGE_STAGING;
+            bufferDesc->BindFlags      = 0;
+            bufferDesc->CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
+            break;
+
+        case BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK:
+            bufferDesc->Usage     = D3D11_USAGE_DEFAULT;
+            bufferDesc->BindFlags = D3D11_BIND_VERTEX_BUFFER;
+
+            if (renderer->isES3Capable())
+            {
+                bufferDesc->BindFlags |= D3D11_BIND_STREAM_OUTPUT;
+            }
+
+            bufferDesc->CPUAccessFlags = 0;
+            break;
+
+        case BUFFER_USAGE_INDEX:
+            bufferDesc->Usage          = D3D11_USAGE_DEFAULT;
+            bufferDesc->BindFlags      = D3D11_BIND_INDEX_BUFFER;
+            bufferDesc->CPUAccessFlags = 0;
+            break;
+
+        case BUFFER_USAGE_INDIRECT:
+            bufferDesc->MiscFlags      = D3D11_RESOURCE_MISC_DRAWINDIRECT_ARGS;
+            bufferDesc->Usage          = D3D11_USAGE_DEFAULT;
+            bufferDesc->BindFlags      = 0;
+            bufferDesc->CPUAccessFlags = 0;
+            break;
+
+        case BUFFER_USAGE_PIXEL_UNPACK:
+            bufferDesc->Usage          = D3D11_USAGE_DEFAULT;
+            bufferDesc->BindFlags      = D3D11_BIND_SHADER_RESOURCE;
+            bufferDesc->CPUAccessFlags = 0;
+            break;
+
+        case BUFFER_USAGE_UNIFORM:
+            bufferDesc->Usage          = D3D11_USAGE_DYNAMIC;
+            bufferDesc->BindFlags      = D3D11_BIND_CONSTANT_BUFFER;
+            bufferDesc->CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+
+            // Constant buffers must be of a limited size, and aligned to 16 byte boundaries
+            // For our purposes we ignore any buffer data past the maximum constant buffer size
+            bufferDesc->ByteWidth = roundUpPow2(bufferDesc->ByteWidth, 16u);
+
+            // Note: it seems that D3D11 allows larger buffers on some platforms, but not all.
+            // (Windows 10 seems to allow larger constant buffers, but not Windows 7)
+            if (!renderer->getRenderer11DeviceCaps().supportsConstantBufferOffsets)
+            {
+                bufferDesc->ByteWidth = std::min<UINT>(
+                    bufferDesc->ByteWidth,
+                    static_cast<UINT>(renderer->getNativeCaps().maxUniformBlockSize));
+            }
+            break;
+
+        case BUFFER_USAGE_RAW_UAV:
+            bufferDesc->MiscFlags      = D3D11_RESOURCE_MISC_BUFFER_ALLOW_RAW_VIEWS;
+            bufferDesc->BindFlags      = D3D11_BIND_UNORDERED_ACCESS;
+            bufferDesc->Usage          = D3D11_USAGE_DEFAULT;
+            bufferDesc->CPUAccessFlags = 0;
+            break;
+        case BUFFER_USAGE_TYPED_UAV:
+            bufferDesc->BindFlags      = D3D11_BIND_UNORDERED_ACCESS | D3D11_BIND_SHADER_RESOURCE;
+            bufferDesc->Usage          = D3D11_USAGE_DEFAULT;
+            bufferDesc->CPUAccessFlags = 0;
+            bufferDesc->MiscFlags      = 0;
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+}
+
+angle::Result Buffer11::NativeStorage::map(const gl::Context *context,
+                                           size_t offset,
+                                           size_t length,
+                                           GLbitfield access,
+                                           uint8_t **mapPointerOut)
+{
+    ASSERT(isCPUAccessible(access));
+
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    D3D11_MAP d3dMapType = gl_d3d11::GetD3DMapTypeFromBits(mUsage, access);
+    UINT d3dMapFlag = ((access & GL_MAP_UNSYNCHRONIZED_BIT) != 0 ? D3D11_MAP_FLAG_DO_NOT_WAIT : 0);
+
+    ANGLE_TRY(
+        mRenderer->mapResource(context, mBuffer.get(), 0, d3dMapType, d3dMapFlag, &mappedResource));
+    ASSERT(mappedResource.pData);
+    *mapPointerOut = static_cast<uint8_t *>(mappedResource.pData) + offset;
+    return angle::Result::Continue;
+}
+
+void Buffer11::NativeStorage::unmap()
+{
+    ASSERT(isCPUAccessible(GL_MAP_WRITE_BIT) || isCPUAccessible(GL_MAP_READ_BIT));
+    ID3D11DeviceContext *context = mRenderer->getDeviceContext();
+    context->Unmap(mBuffer.get(), 0);
+}
+
+angle::Result Buffer11::NativeStorage::getSRVForFormat(const gl::Context *context,
+                                                       DXGI_FORMAT srvFormat,
+                                                       const d3d11::ShaderResourceView **srvOut)
+{
+    auto bufferSRVIt = mBufferResourceViews.find(srvFormat);
+
+    if (bufferSRVIt != mBufferResourceViews.end())
+    {
+        *srvOut = &bufferSRVIt->second;
+        return angle::Result::Continue;
+    }
+
+    const d3d11::DXGIFormatSize &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(srvFormat);
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC bufferSRVDesc;
+    bufferSRVDesc.Buffer.ElementOffset = 0;
+    bufferSRVDesc.Buffer.ElementWidth  = static_cast<UINT>(mBufferSize) / dxgiFormatInfo.pixelBytes;
+    bufferSRVDesc.ViewDimension        = D3D11_SRV_DIMENSION_BUFFER;
+    bufferSRVDesc.Format               = srvFormat;
+
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferSRVDesc,
+                                          mBuffer.get(), &mBufferResourceViews[srvFormat]));
+
+    *srvOut = &mBufferResourceViews[srvFormat];
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::NativeStorage::getRawUAV(const gl::Context *context,
+                                                 unsigned int offset,
+                                                 unsigned int size,
+                                                 d3d11::UnorderedAccessView **uavOut)
+{
+    ASSERT(offset + size <= mBufferSize);
+
+    auto bufferRawUAV = mBufferRawUAVs.find({offset, size});
+    if (bufferRawUAV != mBufferRawUAVs.end())
+    {
+        *uavOut = &bufferRawUAV->second;
+        return angle::Result::Continue;
+    }
+
+    D3D11_UNORDERED_ACCESS_VIEW_DESC bufferUAVDesc;
+
+    // DXGI_FORMAT_R32_TYPELESS uses 4 bytes per element
+    constexpr int kBytesToElement     = 4;
+    bufferUAVDesc.Buffer.FirstElement = offset / kBytesToElement;
+    bufferUAVDesc.Buffer.NumElements  = size / kBytesToElement;
+    bufferUAVDesc.Buffer.Flags        = D3D11_BUFFER_UAV_FLAG_RAW;
+    bufferUAVDesc.Format = DXGI_FORMAT_R32_TYPELESS;  // Format must be DXGI_FORMAT_R32_TYPELESS,
+                                                      // when creating Raw Unordered Access View
+    bufferUAVDesc.ViewDimension = D3D11_UAV_DIMENSION_BUFFER;
+
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferUAVDesc,
+                                          mBuffer.get(), &mBufferRawUAVs[{offset, size}]));
+    *uavOut = &mBufferRawUAVs[{offset, size}];
+    return angle::Result::Continue;
+}
+
+void Buffer11::NativeStorage::clearSRVs()
+{
+    mBufferResourceViews.clear();
+}
+
+void Buffer11::NativeStorage::clearUAVs()
+{
+    mBufferRawUAVs.clear();
+}
+
+Buffer11::StructuredBufferStorage::StructuredBufferStorage(Renderer11 *renderer,
+                                                           BufferUsage usage,
+                                                           const angle::Subject *onStorageChanged)
+    : NativeStorage(renderer, usage, onStorageChanged), mStructuredBufferResourceView()
+{}
+
+Buffer11::StructuredBufferStorage::~StructuredBufferStorage()
+{
+    mStructuredBufferResourceView.reset();
+}
+
+angle::Result Buffer11::StructuredBufferStorage::resizeStructuredBuffer(
+    const gl::Context *context,
+    unsigned int size,
+    unsigned int structureByteStride)
+{
+    if (size == 0)
+    {
+        mBuffer.reset();
+        mBufferSize = 0;
+        return angle::Result::Continue;
+    }
+
+    D3D11_BUFFER_DESC bufferDesc;
+    bufferDesc.ByteWidth           = size;
+    bufferDesc.MiscFlags           = D3D11_RESOURCE_MISC_BUFFER_STRUCTURED;
+    bufferDesc.StructureByteStride = structureByteStride;
+    bufferDesc.Usage               = D3D11_USAGE_DYNAMIC;
+    bufferDesc.BindFlags           = D3D11_BIND_SHADER_RESOURCE;
+    bufferDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+
+    d3d11::Buffer newBuffer;
+    ANGLE_TRY(
+        mRenderer->allocateResource(SafeGetImplAs<Context11>(context), bufferDesc, &newBuffer));
+    newBuffer.setInternalName("Buffer11::StructuredBufferStorage");
+
+    // No longer need the old buffer
+    mBuffer = std::move(newBuffer);
+
+    mBufferSize = static_cast<size_t>(bufferDesc.ByteWidth);
+
+    mStructuredBufferResourceView.reset();
+
+    // Notify that the storage has changed.
+    if (mOnStorageChanged)
+    {
+        mOnStorageChanged->onStateChange(angle::SubjectMessage::SubjectChanged);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::StructuredBufferStorage::getStructuredBufferRangeSRV(
+    const gl::Context *context,
+    unsigned int offset,
+    unsigned int size,
+    unsigned int structureByteStride,
+    const d3d11::ShaderResourceView **srvOut)
+{
+    if (mStructuredBufferResourceView.valid())
+    {
+        *srvOut = &mStructuredBufferResourceView;
+        return angle::Result::Continue;
+    }
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC bufferSRVDesc = {};
+    bufferSRVDesc.BufferEx.NumElements = structureByteStride == 0u ? 1 : size / structureByteStride;
+    bufferSRVDesc.BufferEx.FirstElement = 0;
+    bufferSRVDesc.BufferEx.Flags        = 0;
+    bufferSRVDesc.ViewDimension         = D3D11_SRV_DIMENSION_BUFFEREX;
+    bufferSRVDesc.Format                = DXGI_FORMAT_UNKNOWN;
+
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferSRVDesc,
+                                          mBuffer.get(), &mStructuredBufferResourceView));
+
+    *srvOut = &mStructuredBufferResourceView;
+    return angle::Result::Continue;
+}
+
+// Buffer11::EmulatedIndexStorage implementation
+Buffer11::EmulatedIndexedStorage::EmulatedIndexedStorage(Renderer11 *renderer)
+    : BufferStorage(renderer, BUFFER_USAGE_EMULATED_INDEXED_VERTEX), mBuffer()
+{}
+
+Buffer11::EmulatedIndexedStorage::~EmulatedIndexedStorage() {}
+
+angle::Result Buffer11::EmulatedIndexedStorage::getBuffer(const gl::Context *context,
+                                                          SourceIndexData *indexInfo,
+                                                          const TranslatedAttribute &attribute,
+                                                          GLint startVertex,
+                                                          const d3d11::Buffer **bufferOut)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    // If a change in the indices applied from the last draw call is detected, then the emulated
+    // indexed buffer needs to be invalidated.  After invalidation, the change detected flag should
+    // be cleared to avoid unnecessary recreation of the buffer.
+    if (!mBuffer.valid() || indexInfo->srcIndicesChanged)
+    {
+        mBuffer.reset();
+
+        // Copy the source index data. This ensures that the lifetime of the indices pointer
+        // stays with this storage until the next time we invalidate.
+        size_t indicesDataSize = 0;
+        switch (indexInfo->srcIndexType)
+        {
+            case gl::DrawElementsType::UnsignedInt:
+                indicesDataSize = sizeof(GLuint) * indexInfo->srcCount;
+                break;
+            case gl::DrawElementsType::UnsignedShort:
+                indicesDataSize = sizeof(GLushort) * indexInfo->srcCount;
+                break;
+            case gl::DrawElementsType::UnsignedByte:
+                indicesDataSize = sizeof(GLubyte) * indexInfo->srcCount;
+                break;
+            default:
+                indicesDataSize = sizeof(GLushort) * indexInfo->srcCount;
+                break;
+        }
+
+        ANGLE_CHECK_GL_ALLOC(context11, mIndicesMemoryBuffer.resize(indicesDataSize));
+
+        memcpy(mIndicesMemoryBuffer.data(), indexInfo->srcIndices, indicesDataSize);
+
+        indexInfo->srcIndicesChanged = false;
+    }
+
+    if (!mBuffer.valid())
+    {
+        unsigned int offset = 0;
+        ANGLE_TRY(attribute.computeOffset(context, startVertex, &offset));
+
+        // Expand the memory storage upon request and cache the results.
+        unsigned int expandedDataSize =
+            static_cast<unsigned int>((indexInfo->srcCount * attribute.stride) + offset);
+        angle::MemoryBuffer expandedData;
+        ANGLE_CHECK_GL_ALLOC(context11, expandedData.resize(expandedDataSize));
+
+        // Clear the contents of the allocated buffer
+        ZeroMemory(expandedData.data(), expandedDataSize);
+
+        uint8_t *curr      = expandedData.data();
+        const uint8_t *ptr = static_cast<const uint8_t *>(indexInfo->srcIndices);
+
+        // Ensure that we start in the correct place for the emulated data copy operation to
+        // maintain offset behaviors.
+        curr += offset;
+
+        ReadIndexValueFunction readIndexValue = ReadIndexValueFromIndices<GLushort>;
+
+        switch (indexInfo->srcIndexType)
+        {
+            case gl::DrawElementsType::UnsignedInt:
+                readIndexValue = ReadIndexValueFromIndices<GLuint>;
+                break;
+            case gl::DrawElementsType::UnsignedShort:
+                readIndexValue = ReadIndexValueFromIndices<GLushort>;
+                break;
+            case gl::DrawElementsType::UnsignedByte:
+                readIndexValue = ReadIndexValueFromIndices<GLubyte>;
+                break;
+            default:
+                UNREACHABLE();
+                return angle::Result::Stop;
+        }
+
+        // Iterate over the cached index data and copy entries indicated into the emulated buffer.
+        for (GLuint i = 0; i < indexInfo->srcCount; i++)
+        {
+            GLuint idx = readIndexValue(ptr, i);
+            memcpy(curr, mMemoryBuffer.data() + (attribute.stride * idx), attribute.stride);
+            curr += attribute.stride;
+        }
+
+        // Finally, initialize the emulated indexed native storage object with the newly copied data
+        // and free the temporary buffers used.
+        D3D11_BUFFER_DESC bufferDesc;
+        bufferDesc.ByteWidth           = expandedDataSize;
+        bufferDesc.MiscFlags           = 0;
+        bufferDesc.StructureByteStride = 0;
+        bufferDesc.Usage               = D3D11_USAGE_DEFAULT;
+        bufferDesc.BindFlags           = D3D11_BIND_VERTEX_BUFFER;
+        bufferDesc.CPUAccessFlags      = 0;
+
+        D3D11_SUBRESOURCE_DATA subResourceData = {expandedData.data(), 0, 0};
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferDesc,
+                                              &subResourceData, &mBuffer));
+        mBuffer.setInternalName("Buffer11::EmulatedIndexedStorage");
+    }
+
+    *bufferOut = &mBuffer;
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::EmulatedIndexedStorage::copyFromStorage(const gl::Context *context,
+                                                                BufferStorage *source,
+                                                                size_t sourceOffset,
+                                                                size_t size,
+                                                                size_t destOffset,
+                                                                CopyResult *resultOut)
+{
+    ASSERT(source->isCPUAccessible(GL_MAP_READ_BIT));
+    uint8_t *sourceData = nullptr;
+    ANGLE_TRY(source->map(context, sourceOffset, size, GL_MAP_READ_BIT, &sourceData));
+    ASSERT(destOffset + size <= mMemoryBuffer.size());
+    memcpy(mMemoryBuffer.data() + destOffset, sourceData, size);
+    source->unmap();
+    *resultOut = CopyResult::RECREATED;
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::EmulatedIndexedStorage::resize(const gl::Context *context,
+                                                       size_t size,
+                                                       bool preserveData)
+{
+    if (mMemoryBuffer.size() < size)
+    {
+        Context11 *context11 = GetImplAs<Context11>(context);
+        ANGLE_CHECK_GL_ALLOC(context11, mMemoryBuffer.resize(size));
+        mBufferSize = size;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::EmulatedIndexedStorage::map(const gl::Context *context,
+                                                    size_t offset,
+                                                    size_t length,
+                                                    GLbitfield access,
+                                                    uint8_t **mapPointerOut)
+{
+    ASSERT(!mMemoryBuffer.empty() && offset + length <= mMemoryBuffer.size());
+    *mapPointerOut = mMemoryBuffer.data() + offset;
+    return angle::Result::Continue;
+}
+
+void Buffer11::EmulatedIndexedStorage::unmap()
+{
+    // No-op
+}
+
+// Buffer11::PackStorage implementation
+
+Buffer11::PackStorage::PackStorage(Renderer11 *renderer)
+    : BufferStorage(renderer, BUFFER_USAGE_PIXEL_PACK), mStagingTexture(), mDataModified(false)
+{}
+
+Buffer11::PackStorage::~PackStorage() {}
+
+angle::Result Buffer11::PackStorage::copyFromStorage(const gl::Context *context,
+                                                     BufferStorage *source,
+                                                     size_t sourceOffset,
+                                                     size_t size,
+                                                     size_t destOffset,
+                                                     CopyResult *resultOut)
+{
+    ANGLE_TRY(flushQueuedPackCommand(context));
+
+    // For all use cases of pack buffers, we must copy through a readable buffer.
+    ASSERT(source->isCPUAccessible(GL_MAP_READ_BIT));
+    uint8_t *sourceData = nullptr;
+    ANGLE_TRY(source->map(context, sourceOffset, size, GL_MAP_READ_BIT, &sourceData));
+    ASSERT(destOffset + size <= mMemoryBuffer.size());
+    memcpy(mMemoryBuffer.data() + destOffset, sourceData, size);
+    source->unmap();
+    *resultOut = CopyResult::NOT_RECREATED;
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::PackStorage::resize(const gl::Context *context,
+                                            size_t size,
+                                            bool preserveData)
+{
+    if (size != mBufferSize)
+    {
+        Context11 *context11 = GetImplAs<Context11>(context);
+        ANGLE_CHECK_GL_ALLOC(context11, mMemoryBuffer.resize(size));
+        mBufferSize = size;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::PackStorage::map(const gl::Context *context,
+                                         size_t offset,
+                                         size_t length,
+                                         GLbitfield access,
+                                         uint8_t **mapPointerOut)
+{
+    ASSERT(offset + length <= getSize());
+    // TODO: fast path
+    //  We might be able to optimize out one or more memcpy calls by detecting when
+    //  and if D3D packs the staging texture memory identically to how we would fill
+    //  the pack buffer according to the current pack state.
+
+    ANGLE_TRY(flushQueuedPackCommand(context));
+
+    mDataModified = (mDataModified || (access & GL_MAP_WRITE_BIT) != 0);
+
+    *mapPointerOut = mMemoryBuffer.data() + offset;
+    return angle::Result::Continue;
+}
+
+void Buffer11::PackStorage::unmap()
+{
+    // No-op
+}
+
+angle::Result Buffer11::PackStorage::packPixels(const gl::Context *context,
+                                                const gl::FramebufferAttachment &readAttachment,
+                                                const PackPixelsParams &params)
+{
+    ANGLE_TRY(flushQueuedPackCommand(context));
+
+    RenderTarget11 *renderTarget = nullptr;
+    ANGLE_TRY(readAttachment.getRenderTarget(context, 0, &renderTarget));
+
+    const TextureHelper11 &srcTexture = renderTarget->getTexture();
+    ASSERT(srcTexture.valid());
+    unsigned int srcSubresource = renderTarget->getSubresourceIndex();
+
+    mQueuedPackCommand.reset(new PackPixelsParams(params));
+
+    gl::Extents srcTextureSize(params.area.width, params.area.height, 1);
+    if (!mStagingTexture.get() || mStagingTexture.getFormat() != srcTexture.getFormat() ||
+        mStagingTexture.getExtents() != srcTextureSize)
+    {
+        ANGLE_TRY(mRenderer->createStagingTexture(context, srcTexture.getTextureType(),
+                                                  srcTexture.getFormatSet(), srcTextureSize,
+                                                  StagingAccess::READ, &mStagingTexture));
+    }
+
+    // ReadPixels from multisampled FBOs isn't supported in current GL
+    ASSERT(srcTexture.getSampleCount() <= 1);
+
+    ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext();
+    D3D11_BOX srcBox;
+    srcBox.left   = params.area.x;
+    srcBox.right  = params.area.x + params.area.width;
+    srcBox.top    = params.area.y;
+    srcBox.bottom = params.area.y + params.area.height;
+
+    // Select the correct layer from a 3D attachment
+    srcBox.front = 0;
+    if (mStagingTexture.is3D())
+    {
+        srcBox.front = static_cast<UINT>(readAttachment.layer());
+    }
+    srcBox.back = srcBox.front + 1;
+
+    // Asynchronous copy
+    immediateContext->CopySubresourceRegion(mStagingTexture.get(), 0, 0, 0, 0, srcTexture.get(),
+                                            srcSubresource, &srcBox);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::PackStorage::flushQueuedPackCommand(const gl::Context *context)
+{
+    ASSERT(mMemoryBuffer.size() > 0);
+
+    if (mQueuedPackCommand)
+    {
+        ANGLE_TRY(mRenderer->packPixels(context, mStagingTexture, *mQueuedPackCommand,
+                                        mMemoryBuffer.data()));
+        mQueuedPackCommand.reset(nullptr);
+    }
+
+    return angle::Result::Continue;
+}
+
+// Buffer11::SystemMemoryStorage implementation
+
+Buffer11::SystemMemoryStorage::SystemMemoryStorage(Renderer11 *renderer)
+    : Buffer11::BufferStorage(renderer, BUFFER_USAGE_SYSTEM_MEMORY)
+{}
+
+angle::Result Buffer11::SystemMemoryStorage::copyFromStorage(const gl::Context *context,
+                                                             BufferStorage *source,
+                                                             size_t sourceOffset,
+                                                             size_t size,
+                                                             size_t destOffset,
+                                                             CopyResult *resultOut)
+{
+    ASSERT(source->isCPUAccessible(GL_MAP_READ_BIT));
+    uint8_t *sourceData = nullptr;
+    ANGLE_TRY(source->map(context, sourceOffset, size, GL_MAP_READ_BIT, &sourceData));
+    ASSERT(destOffset + size <= mSystemCopy.size());
+    memcpy(mSystemCopy.data() + destOffset, sourceData, size);
+    source->unmap();
+    *resultOut = CopyResult::RECREATED;
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::SystemMemoryStorage::resize(const gl::Context *context,
+                                                    size_t size,
+                                                    bool preserveData)
+{
+    if (mSystemCopy.size() < size)
+    {
+        Context11 *context11 = GetImplAs<Context11>(context);
+        ANGLE_CHECK_GL_ALLOC(context11, mSystemCopy.resize(size));
+        mBufferSize = size;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer11::SystemMemoryStorage::map(const gl::Context *context,
+                                                 size_t offset,
+                                                 size_t length,
+                                                 GLbitfield access,
+                                                 uint8_t **mapPointerOut)
+{
+    ASSERT(!mSystemCopy.empty() && offset + length <= mSystemCopy.size());
+    *mapPointerOut = mSystemCopy.data() + offset;
+    return angle::Result::Continue;
+}
+
+void Buffer11::SystemMemoryStorage::unmap()
+{
+    // No-op
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Buffer11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Buffer11.h
new file mode 100644
index 0000000000..b24bd1a48b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Buffer11.h
@@ -0,0 +1,234 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Buffer11.h: Defines the rx::Buffer11 class which implements rx::BufferImpl via rx::BufferD3D.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_BUFFER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_BUFFER11_H_
+
+#include <array>
+#include <map>
+
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace gl
+{
+class FramebufferAttachment;
+}
+
+namespace rx
+{
+struct PackPixelsParams;
+class Renderer11;
+struct SourceIndexData;
+struct TranslatedAttribute;
+
+// The order of this enum governs priority of 'getLatestBufferStorage'.
+enum BufferUsage
+{
+    BUFFER_USAGE_SYSTEM_MEMORY,
+    BUFFER_USAGE_STAGING,
+    BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK,
+    BUFFER_USAGE_INDEX,
+    BUFFER_USAGE_INDIRECT,
+    BUFFER_USAGE_PIXEL_UNPACK,
+    BUFFER_USAGE_PIXEL_PACK,
+    BUFFER_USAGE_UNIFORM,
+    BUFFER_USAGE_STRUCTURED,
+    BUFFER_USAGE_EMULATED_INDEXED_VERTEX,
+    BUFFER_USAGE_RAW_UAV,
+    BUFFER_USAGE_TYPED_UAV,
+
+    BUFFER_USAGE_COUNT,
+};
+
+typedef size_t DataRevision;
+
+class Buffer11 : public BufferD3D
+{
+  public:
+    Buffer11(const gl::BufferState &state, Renderer11 *renderer);
+    ~Buffer11() override;
+
+    angle::Result getBuffer(const gl::Context *context,
+                            BufferUsage usage,
+                            ID3D11Buffer **bufferOut);
+    angle::Result getEmulatedIndexedBuffer(const gl::Context *context,
+                                           SourceIndexData *indexInfo,
+                                           const TranslatedAttribute &attribute,
+                                           GLint startVertex,
+                                           ID3D11Buffer **bufferOut);
+    angle::Result getConstantBufferRange(const gl::Context *context,
+                                         GLintptr offset,
+                                         GLsizeiptr size,
+                                         const d3d11::Buffer **bufferOut,
+                                         UINT *firstConstantOut,
+                                         UINT *numConstantsOut);
+    angle::Result getStructuredBufferRangeSRV(const gl::Context *context,
+                                              unsigned int offset,
+                                              unsigned int size,
+                                              unsigned int structureByteStride,
+                                              const d3d11::ShaderResourceView **srvOut);
+    angle::Result getSRV(const gl::Context *context,
+                         DXGI_FORMAT srvFormat,
+                         const d3d11::ShaderResourceView **srvOut);
+    angle::Result getRawUAVRange(const gl::Context *context,
+                                 GLintptr offset,
+                                 GLsizeiptr size,
+                                 d3d11::UnorderedAccessView **uavOut);
+
+    angle::Result getTypedUAVRange(const gl::Context *context,
+                                   GLintptr offset,
+                                   GLsizeiptr size,
+                                   DXGI_FORMAT format,
+                                   d3d11::UnorderedAccessView **uavOut);
+
+    angle::Result markRawBufferUsage(const gl::Context *context);
+    angle::Result markTypedBufferUsage(const gl::Context *context);
+    bool isMapped() const { return mMappedStorage != nullptr; }
+    angle::Result packPixels(const gl::Context *context,
+                             const gl::FramebufferAttachment &readAttachment,
+                             const PackPixelsParams &params);
+    size_t getTotalCPUBufferMemoryBytes() const;
+
+    // BufferD3D implementation
+    size_t getSize() const override;
+    bool supportsDirectBinding() const override;
+    angle::Result getData(const gl::Context *context, const uint8_t **outData) override;
+    void initializeStaticData(const gl::Context *context) override;
+    void invalidateStaticData(const gl::Context *context) override;
+
+    // BufferImpl implementation
+    angle::Result setData(const gl::Context *context,
+                          gl::BufferBinding target,
+                          const void *data,
+                          size_t size,
+                          gl::BufferUsage usage) override;
+    angle::Result setSubData(const gl::Context *context,
+                             gl::BufferBinding target,
+                             const void *data,
+                             size_t size,
+                             size_t offset) override;
+    angle::Result copySubData(const gl::Context *context,
+                              BufferImpl *source,
+                              GLintptr sourceOffset,
+                              GLintptr destOffset,
+                              GLsizeiptr size) override;
+    angle::Result map(const gl::Context *context, GLenum access, void **mapPtr) override;
+    angle::Result mapRange(const gl::Context *context,
+                           size_t offset,
+                           size_t length,
+                           GLbitfield access,
+                           void **mapPtr) override;
+    angle::Result unmap(const gl::Context *context, GLboolean *result) override;
+    angle::Result markTransformFeedbackUsage(const gl::Context *context) override;
+
+  private:
+    class BufferStorage;
+    class EmulatedIndexedStorage;
+    class NativeStorage;
+    class PackStorage;
+    class SystemMemoryStorage;
+    class StructuredBufferStorage;
+
+    struct BufferCacheEntry
+    {
+        BufferCacheEntry() : storage(nullptr), lruCount(0) {}
+
+        BufferStorage *storage;
+        unsigned int lruCount;
+    };
+
+    struct StructuredBufferKey
+    {
+        StructuredBufferKey(unsigned int offsetIn, unsigned int structureByteStrideIn)
+            : offset(offsetIn), structureByteStride(structureByteStrideIn)
+        {}
+        bool operator<(const StructuredBufferKey &rhs) const
+        {
+            return std::tie(offset, structureByteStride) <
+                   std::tie(rhs.offset, rhs.structureByteStride);
+        }
+        unsigned int offset;
+        unsigned int structureByteStride;
+    };
+
+    void markBufferUsage(BufferUsage usage);
+    angle::Result markBufferUsage(const gl::Context *context, BufferUsage usage);
+    angle::Result garbageCollection(const gl::Context *context, BufferUsage currentUsage);
+
+    angle::Result updateBufferStorage(const gl::Context *context,
+                                      BufferStorage *storage,
+                                      size_t sourceOffset,
+                                      size_t storageSize);
+
+    angle::Result getNativeStorageForUAV(const gl::Context *context,
+                                         Buffer11::NativeStorage **storageOut);
+
+    template <typename StorageOutT>
+    angle::Result getBufferStorage(const gl::Context *context,
+                                   BufferUsage usage,
+                                   StorageOutT **storageOut);
+
+    template <typename StorageOutT>
+    angle::Result getStagingStorage(const gl::Context *context, StorageOutT **storageOut);
+
+    angle::Result getLatestBufferStorage(const gl::Context *context,
+                                         BufferStorage **storageOut) const;
+
+    angle::Result getConstantBufferRangeStorage(const gl::Context *context,
+                                                GLintptr offset,
+                                                GLsizeiptr size,
+                                                NativeStorage **storageOut);
+
+    BufferStorage *allocateStorage(BufferUsage usage);
+    void updateDeallocThreshold(BufferUsage usage);
+
+    // Free the storage if we decide it isn't being used very often.
+    angle::Result checkForDeallocation(const gl::Context *context, BufferUsage usage);
+
+    // For some cases of uniform buffer storage, we can't deallocate system memory storage.
+    bool canDeallocateSystemMemory() const;
+
+    // Updates data revisions and latest storage.
+    void onCopyStorage(BufferStorage *dest, BufferStorage *source);
+    void onStorageUpdate(BufferStorage *updatedStorage);
+
+    Renderer11 *mRenderer;
+    size_t mSize;
+
+    BufferStorage *mMappedStorage;
+
+    // Buffer storages are sorted by usage. It's important that the latest buffer storage picks
+    // the lowest usage in the case where two storages are tied on data revision - this ensures
+    // we never do anything dangerous like map a uniform buffer over a staging or system memory
+    // copy.
+    std::array<BufferStorage *, BUFFER_USAGE_COUNT> mBufferStorages;
+    BufferStorage *mLatestBufferStorage;
+
+    // These two arrays are used to track when to free unused storage.
+    std::array<unsigned int, BUFFER_USAGE_COUNT> mDeallocThresholds;
+    std::array<unsigned int, BUFFER_USAGE_COUNT> mIdleness;
+
+    // Cache of D3D11 constant buffer for specific ranges of buffer data.
+    // This is used to emulate UBO ranges on 11.0 devices.
+    // Constant buffers are indexed by there start offset.
+    typedef std::map<GLintptr /*offset*/, BufferCacheEntry> BufferCache;
+    BufferCache mConstantBufferRangeStoragesCache;
+    size_t mConstantBufferStorageAdditionalSize;
+    unsigned int mMaxConstantBufferLruCount;
+
+    typedef std::map<StructuredBufferKey, BufferCacheEntry> StructuredBufferCache;
+    StructuredBufferCache mStructuredBufferRangeStoragesCache;
+    size_t mStructuredBufferStorageAdditionalSize;
+    unsigned int mMaxStructuredBufferLruCount;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_BUFFER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Clear11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Clear11.cpp
new file mode 100644
index 0000000000..d85b18b840
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Clear11.cpp
@@ -0,0 +1,813 @@
+
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Clear11.cpp: Framebuffer clear utility class.
+
+#include "libANGLE/renderer/d3d/d3d11/Clear11.h"
+
+#include <algorithm>
+
+#include "libANGLE/Context.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/trace.h"
+
+// Precompiled shaders
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11_fl9vs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewgs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewvs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11vs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/cleardepth11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11_fl9ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps1.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps2.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps3.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps4.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps5.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps6.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps7.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps8.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps1.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps2.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps3.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps4.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps5.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps6.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps7.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps8.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps1.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps2.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps3.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps4.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps5.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps6.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps7.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps8.h"
+
+namespace rx
+{
+
+namespace
+{
+constexpr uint32_t g_ConstantBufferSize = sizeof(RtvDsvClearInfo<float>);
+constexpr uint32_t g_VertexSize         = sizeof(d3d11::PositionVertex);
+
+// Updates color, depth and alpha components of cached CB if necessary.
+// Returns true if any constants are updated, false otherwise.
+template <typename T>
+bool UpdateDataCache(RtvDsvClearInfo<T> *dataCache,
+                     const gl::Color<T> &color,
+                     const float *zValue,
+                     const uint32_t numRtvs,
+                     const uint8_t writeMask)
+{
+    bool cacheDirty = false;
+
+    if (numRtvs > 0)
+    {
+        const bool writeRGB = (writeMask & ~D3D11_COLOR_WRITE_ENABLE_ALPHA) != 0;
+        if (writeRGB && memcmp(&dataCache->r, &color.red, sizeof(T) * 3) != 0)
+        {
+            dataCache->r = color.red;
+            dataCache->g = color.green;
+            dataCache->b = color.blue;
+            cacheDirty   = true;
+        }
+
+        const bool writeAlpha = (writeMask & D3D11_COLOR_WRITE_ENABLE_ALPHA) != 0;
+        if (writeAlpha && (dataCache->a != color.alpha))
+        {
+            dataCache->a = color.alpha;
+            cacheDirty   = true;
+        }
+    }
+
+    if (zValue)
+    {
+        const float clampedZValue = gl::clamp01(*zValue);
+
+        if (clampedZValue != dataCache->z)
+        {
+            dataCache->z = clampedZValue;
+            cacheDirty   = true;
+        }
+    }
+
+    return cacheDirty;
+}
+
+}  // anonymous namespace
+
+#define CLEARPS(Index)                                                                    \
+    d3d11::LazyShader<ID3D11PixelShader>(g_PS_Clear##Index, ArraySize(g_PS_Clear##Index), \
+                                         "Clear11 PS " ANGLE_STRINGIFY(Index))
+
+Clear11::ShaderManager::ShaderManager()
+    : mIl9(),
+      mVs9(g_VS_Clear_FL9, ArraySize(g_VS_Clear_FL9), "Clear11 VS FL9"),
+      mPsFloat9(g_PS_ClearFloat_FL9, ArraySize(g_PS_ClearFloat_FL9), "Clear11 PS FloatFL9"),
+      mVs(g_VS_Clear, ArraySize(g_VS_Clear), "Clear11 VS"),
+      mVsMultiview(g_VS_Multiview_Clear, ArraySize(g_VS_Multiview_Clear), "Clear11 VS Multiview"),
+      mGsMultiview(g_GS_Multiview_Clear, ArraySize(g_GS_Multiview_Clear), "Clear11 GS Multiview"),
+      mPsDepth(g_PS_ClearDepth, ArraySize(g_PS_ClearDepth), "Clear11 PS Depth"),
+      mPsFloat{{CLEARPS(Float1), CLEARPS(Float2), CLEARPS(Float3), CLEARPS(Float4), CLEARPS(Float5),
+                CLEARPS(Float6), CLEARPS(Float7), CLEARPS(Float8)}},
+      mPsUInt{{CLEARPS(Uint1), CLEARPS(Uint2), CLEARPS(Uint3), CLEARPS(Uint4), CLEARPS(Uint5),
+               CLEARPS(Uint6), CLEARPS(Uint7), CLEARPS(Uint8)}},
+      mPsSInt{{CLEARPS(Sint1), CLEARPS(Sint2), CLEARPS(Sint3), CLEARPS(Sint4), CLEARPS(Sint5),
+               CLEARPS(Sint6), CLEARPS(Sint7), CLEARPS(Sint8)}}
+{}
+
+#undef CLEARPS
+
+Clear11::ShaderManager::~ShaderManager() {}
+
+angle::Result Clear11::ShaderManager::getShadersAndLayout(const gl::Context *context,
+                                                          Renderer11 *renderer,
+                                                          const INT clearType,
+                                                          const uint32_t numRTs,
+                                                          const bool hasLayeredLayout,
+                                                          const d3d11::InputLayout **il,
+                                                          const d3d11::VertexShader **vs,
+                                                          const d3d11::GeometryShader **gs,
+                                                          const d3d11::PixelShader **ps)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (renderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        ASSERT(clearType == GL_FLOAT);
+
+        ANGLE_TRY(mVs9.resolve(context11, renderer));
+        ANGLE_TRY(mPsFloat9.resolve(context11, renderer));
+
+        if (!mIl9.valid())
+        {
+            const D3D11_INPUT_ELEMENT_DESC ilDesc[] = {
+                {"POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0}};
+
+            InputElementArray ilDescArray(ilDesc);
+            ShaderData vertexShader(g_VS_Clear_FL9);
+
+            ANGLE_TRY(renderer->allocateResource(context11, ilDescArray, &vertexShader, &mIl9));
+        }
+
+        *vs = &mVs9.getObj();
+        *gs = nullptr;
+        *il = &mIl9;
+        *ps = &mPsFloat9.getObj();
+        return angle::Result::Continue;
+    }
+
+    if (!hasLayeredLayout)
+    {
+        ANGLE_TRY(mVs.resolve(context11, renderer));
+        *vs = &mVs.getObj();
+        *gs = nullptr;
+    }
+    else
+    {
+        // For layered framebuffers we have to use the multi-view versions of the VS and GS.
+        ANGLE_TRY(mVsMultiview.resolve(context11, renderer));
+        ANGLE_TRY(mGsMultiview.resolve(context11, renderer));
+        *vs = &mVsMultiview.getObj();
+        *gs = &mGsMultiview.getObj();
+    }
+
+    *il = nullptr;
+
+    if (numRTs == 0)
+    {
+        ANGLE_TRY(mPsDepth.resolve(context11, renderer));
+        *ps = &mPsDepth.getObj();
+        return angle::Result::Continue;
+    }
+
+    switch (clearType)
+    {
+        case GL_FLOAT:
+            ANGLE_TRY(mPsFloat[numRTs - 1].resolve(context11, renderer));
+            *ps = &mPsFloat[numRTs - 1].getObj();
+            break;
+        case GL_UNSIGNED_INT:
+            ANGLE_TRY(mPsUInt[numRTs - 1].resolve(context11, renderer));
+            *ps = &mPsUInt[numRTs - 1].getObj();
+            break;
+        case GL_INT:
+            ANGLE_TRY(mPsSInt[numRTs - 1].resolve(context11, renderer));
+            *ps = &mPsSInt[numRTs - 1].getObj();
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return angle::Result::Continue;
+}
+
+Clear11::Clear11(Renderer11 *renderer)
+    : mRenderer(renderer),
+      mResourcesInitialized(false),
+      mScissorEnabledRasterizerState(),
+      mScissorDisabledRasterizerState(),
+      mShaderManager(),
+      mConstantBuffer(),
+      mVertexBuffer(),
+      mShaderData({})
+{}
+
+Clear11::~Clear11() {}
+
+angle::Result Clear11::ensureResourcesInitialized(const gl::Context *context)
+{
+    if (mResourcesInitialized)
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRACE_EVENT0("gpu.angle", "Clear11::ensureResourcesInitialized");
+
+    static_assert((sizeof(RtvDsvClearInfo<float>) == sizeof(RtvDsvClearInfo<int>)),
+                  "Size of rx::RtvDsvClearInfo<float> is not equal to rx::RtvDsvClearInfo<int>");
+
+    static_assert(
+        (sizeof(RtvDsvClearInfo<float>) == sizeof(RtvDsvClearInfo<uint32_t>)),
+        "Size of rx::RtvDsvClearInfo<float> is not equal to rx::RtvDsvClearInfo<uint32_t>");
+
+    static_assert((sizeof(RtvDsvClearInfo<float>) % 16 == 0),
+                  "The size of RtvDsvClearInfo<float> should be a multiple of 16bytes.");
+
+    // Create Rasterizer States
+    D3D11_RASTERIZER_DESC rsDesc;
+    rsDesc.FillMode              = D3D11_FILL_SOLID;
+    rsDesc.CullMode              = D3D11_CULL_NONE;
+    rsDesc.FrontCounterClockwise = FALSE;
+    rsDesc.DepthBias             = 0;
+    rsDesc.DepthBiasClamp        = 0.0f;
+    rsDesc.SlopeScaledDepthBias  = 0.0f;
+    rsDesc.DepthClipEnable       = TRUE;
+    rsDesc.ScissorEnable         = FALSE;
+    rsDesc.MultisampleEnable     = FALSE;
+    rsDesc.AntialiasedLineEnable = FALSE;
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, rsDesc, &mScissorDisabledRasterizerState));
+    mScissorDisabledRasterizerState.setInternalName("Clear11RasterizerStateWithScissorDisabled");
+
+    rsDesc.ScissorEnable = TRUE;
+    ANGLE_TRY(mRenderer->allocateResource(context11, rsDesc, &mScissorEnabledRasterizerState));
+    mScissorEnabledRasterizerState.setInternalName("Clear11RasterizerStateWithScissorEnabled");
+
+    // Initialize Depthstencil state with defaults
+    mDepthStencilStateKey.depthTest                = false;
+    mDepthStencilStateKey.depthMask                = false;
+    mDepthStencilStateKey.depthFunc                = GL_ALWAYS;
+    mDepthStencilStateKey.stencilWritemask         = static_cast<GLuint>(-1);
+    mDepthStencilStateKey.stencilBackWritemask     = static_cast<GLuint>(-1);
+    mDepthStencilStateKey.stencilBackMask          = 0;
+    mDepthStencilStateKey.stencilTest              = false;
+    mDepthStencilStateKey.stencilMask              = 0;
+    mDepthStencilStateKey.stencilFail              = GL_REPLACE;
+    mDepthStencilStateKey.stencilPassDepthFail     = GL_REPLACE;
+    mDepthStencilStateKey.stencilPassDepthPass     = GL_REPLACE;
+    mDepthStencilStateKey.stencilFunc              = GL_ALWAYS;
+    mDepthStencilStateKey.stencilBackFail          = GL_REPLACE;
+    mDepthStencilStateKey.stencilBackPassDepthFail = GL_REPLACE;
+    mDepthStencilStateKey.stencilBackPassDepthPass = GL_REPLACE;
+    mDepthStencilStateKey.stencilBackFunc          = GL_ALWAYS;
+
+    // Initialize BlendStateKey with defaults
+    mBlendStateKey.blendStateExt = gl::BlendStateExt(mRenderer->getNativeCaps().maxDrawBuffers);
+
+    mResourcesInitialized = true;
+    return angle::Result::Continue;
+}
+
+bool Clear11::useVertexBuffer() const
+{
+    return (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3);
+}
+
+angle::Result Clear11::ensureConstantBufferCreated(const gl::Context *context)
+{
+    if (mConstantBuffer.valid())
+    {
+        return angle::Result::Continue;
+    }
+
+    // Create constant buffer for color & depth data
+
+    D3D11_BUFFER_DESC bufferDesc;
+    bufferDesc.ByteWidth           = g_ConstantBufferSize;
+    bufferDesc.Usage               = D3D11_USAGE_DYNAMIC;
+    bufferDesc.BindFlags           = D3D11_BIND_CONSTANT_BUFFER;
+    bufferDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+    bufferDesc.MiscFlags           = 0;
+    bufferDesc.StructureByteStride = 0;
+
+    D3D11_SUBRESOURCE_DATA initialData;
+    initialData.pSysMem          = &mShaderData;
+    initialData.SysMemPitch      = g_ConstantBufferSize;
+    initialData.SysMemSlicePitch = g_ConstantBufferSize;
+
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferDesc, &initialData,
+                                          &mConstantBuffer));
+    mConstantBuffer.setInternalName("Clear11ConstantBuffer");
+    return angle::Result::Continue;
+}
+
+angle::Result Clear11::ensureVertexBufferCreated(const gl::Context *context)
+{
+    ASSERT(useVertexBuffer());
+
+    if (mVertexBuffer.valid())
+    {
+        return angle::Result::Continue;
+    }
+
+    // Create vertex buffer with vertices for a quad covering the entire surface
+
+    static_assert((sizeof(d3d11::PositionVertex) % 16) == 0,
+                  "d3d11::PositionVertex should be a multiple of 16 bytes");
+    const d3d11::PositionVertex vbData[6] = {{-1.0f, 1.0f, 0.0f, 1.0f},  {1.0f, -1.0f, 0.0f, 1.0f},
+                                             {-1.0f, -1.0f, 0.0f, 1.0f}, {-1.0f, 1.0f, 0.0f, 1.0f},
+                                             {1.0f, 1.0f, 0.0f, 1.0f},   {1.0f, -1.0f, 0.0f, 1.0f}};
+
+    const UINT vbSize = sizeof(vbData);
+
+    D3D11_BUFFER_DESC bufferDesc;
+    bufferDesc.ByteWidth           = vbSize;
+    bufferDesc.Usage               = D3D11_USAGE_IMMUTABLE;
+    bufferDesc.BindFlags           = D3D11_BIND_VERTEX_BUFFER;
+    bufferDesc.CPUAccessFlags      = 0;
+    bufferDesc.MiscFlags           = 0;
+    bufferDesc.StructureByteStride = 0;
+
+    D3D11_SUBRESOURCE_DATA initialData;
+    initialData.pSysMem          = vbData;
+    initialData.SysMemPitch      = vbSize;
+    initialData.SysMemSlicePitch = initialData.SysMemPitch;
+
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferDesc, &initialData,
+                                          &mVertexBuffer));
+    mVertexBuffer.setInternalName("Clear11VertexBuffer");
+    return angle::Result::Continue;
+}
+
+angle::Result Clear11::clearFramebuffer(const gl::Context *context,
+                                        const ClearParameters &clearParams,
+                                        const gl::FramebufferState &fboData)
+{
+    ANGLE_TRY(ensureResourcesInitialized(context));
+
+    // Iterate over the color buffers which require clearing and determine if they can be
+    // cleared with ID3D11DeviceContext::ClearRenderTargetView or ID3D11DeviceContext1::ClearView.
+    // This requires:
+    // 1) The render target is being cleared to a float value (will be cast to integer when clearing
+    // integer render targets as expected but does not work the other way around)
+    // 2) The format of the render target has no color channels that are currently masked out.
+    // Clear the easy-to-clear buffers on the spot and accumulate the ones that require special
+    // work.
+    //
+    // If these conditions are met, and:
+    // - No scissored clear is needed, then clear using ID3D11DeviceContext::ClearRenderTargetView.
+    // - A scissored clear is needed then clear using ID3D11DeviceContext1::ClearView if available.
+    // Otherwise perform a shader based clear.
+    //
+    // Also determine if the DSV can be cleared withID3D11DeviceContext::ClearDepthStencilView by
+    // checking if the stencil write mask covers the entire stencil.
+    //
+    // To clear the remaining buffers, a shader based clear is performed:
+    // - The appropriate ShaderManagers (VS & PS) for the clearType is set
+    // - A CB containing the clear color and Z values is bound
+    // - An IL and VB are bound (for FL93 and below)
+    // - ScissorRect/Raststate/Viewport set as required
+    // - Blendstate set containing appropriate colorMasks
+    // - DepthStencilState set with appropriate parameters for a z or stencil clear if required
+    // - Color and/or Z buffers to be cleared are bound
+    // - Primitive covering entire clear area is drawn
+
+    gl::Extents framebufferSize;
+
+    const auto *depthStencilAttachment = fboData.getDepthOrStencilAttachment();
+    if (depthStencilAttachment != nullptr)
+    {
+        framebufferSize = depthStencilAttachment->getSize();
+    }
+    else
+    {
+        const gl::FramebufferAttachment *colorAttachment = fboData.getFirstColorAttachment();
+        ASSERT(colorAttachment);
+        framebufferSize = colorAttachment->getSize();
+    }
+
+    bool needScissoredClear = false;
+    D3D11_RECT scissorRect;
+    if (clearParams.scissorEnabled)
+    {
+        if (clearParams.scissor.x >= framebufferSize.width ||
+            clearParams.scissor.y >= framebufferSize.height || clearParams.scissor.width == 0 ||
+            clearParams.scissor.height == 0)
+        {
+            // The check assumes that the viewport offsets are not negative as according to the
+            // OVR_multiview2 spec.
+            // Scissor rect is outside the renderbuffer or is an empty rect.
+            return angle::Result::Continue;
+        }
+
+        if (clearParams.scissor.x + clearParams.scissor.width <= 0 ||
+            clearParams.scissor.y + clearParams.scissor.height <= 0)
+        {
+            // Scissor rect is outside the renderbuffer.
+            return angle::Result::Continue;
+        }
+        needScissoredClear =
+            clearParams.scissor.x > 0 || clearParams.scissor.y > 0 ||
+            clearParams.scissor.x + clearParams.scissor.width < framebufferSize.width ||
+            clearParams.scissor.y + clearParams.scissor.height < framebufferSize.height;
+
+        if (needScissoredClear)
+        {
+            // Apply viewport offsets to compute the final scissor rectangles.
+            // Even in multiview all layers share the same viewport and scissor.
+            scissorRect.left   = clearParams.scissor.x;
+            scissorRect.right  = scissorRect.left + clearParams.scissor.width;
+            scissorRect.top    = clearParams.scissor.y;
+            scissorRect.bottom = scissorRect.top + clearParams.scissor.height;
+        }
+    }
+
+    ID3D11DeviceContext *deviceContext   = mRenderer->getDeviceContext();
+    ID3D11DeviceContext1 *deviceContext1 = mRenderer->getDeviceContext1IfSupported();
+
+    std::array<ID3D11RenderTargetView *, D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT> rtvs;
+    std::array<uint8_t, D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT> rtvMasks = {};
+
+    uint32_t numRtvs        = 0;
+    uint8_t commonColorMask = 0;
+
+    const auto &colorAttachments = fboData.getColorAttachments();
+    for (auto colorAttachmentIndex : fboData.getEnabledDrawBuffers())
+    {
+        const uint8_t colorMask = gl::BlendStateExt::ColorMaskStorage::GetValueIndexed(
+            colorAttachmentIndex, clearParams.colorMask);
+
+        commonColorMask |= colorMask;
+
+        const gl::FramebufferAttachment &attachment = colorAttachments[colorAttachmentIndex];
+
+        if (!clearParams.clearColor[colorAttachmentIndex])
+        {
+            continue;
+        }
+
+        RenderTarget11 *renderTarget = nullptr;
+        ANGLE_TRY(attachment.getRenderTarget(context, attachment.getRenderToTextureSamples(),
+                                             &renderTarget));
+
+        const gl::InternalFormat &formatInfo = *attachment.getFormat().info;
+
+        if (clearParams.colorType == GL_FLOAT &&
+            !(formatInfo.componentType == GL_FLOAT ||
+              formatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
+              formatInfo.componentType == GL_SIGNED_NORMALIZED))
+        {
+            WARN() << "It is undefined behaviour to clear a render buffer which is not "
+                      "normalized fixed point or floating-point to floating point values (color "
+                      "attachment "
+                   << colorAttachmentIndex << " has internal format " << attachment.getFormat()
+                   << ").";
+        }
+
+        bool r, g, b, a;
+        gl::BlendStateExt::UnpackColorMask(colorMask, &r, &g, &b, &a);
+        if ((formatInfo.redBits == 0 || !r) && (formatInfo.greenBits == 0 || !g) &&
+            (formatInfo.blueBits == 0 || !b) && (formatInfo.alphaBits == 0 || !a))
+        {
+            // Every channel either does not exist in the render target or is masked out
+            continue;
+        }
+
+        const auto &framebufferRTV = renderTarget->getRenderTargetView();
+        ASSERT(framebufferRTV.valid());
+
+        bool canClearView = mRenderer->getRenderer11DeviceCaps().supportsClearView;
+        if (canClearView &&
+            mRenderer->getFeatures().emulateClearViewAfterDualSourceBlending.enabled)
+        {
+            // Check the current state to see if we were using dual source blending
+            const auto isDualSource = [](const auto blend) {
+                switch (blend)
+                {
+                    case D3D11_BLEND_SRC1_COLOR:
+                    case D3D11_BLEND_INV_SRC1_COLOR:
+                    case D3D11_BLEND_SRC1_ALPHA:
+                    case D3D11_BLEND_INV_SRC1_ALPHA:
+                        return true;
+                    default:
+                        return false;
+                }
+            };
+            FLOAT blendFactor[4];
+            UINT sampleMask;
+            ID3D11BlendState *blendState;
+            deviceContext->OMGetBlendState(&blendState, blendFactor, &sampleMask);
+            if (blendState)
+            {
+                D3D11_BLEND_DESC blendDesc;
+                blendState->GetDesc(&blendDesc);
+                // You can only use dual source blending on slot 0 so only check there
+                if (isDualSource(blendDesc.RenderTarget[0].SrcBlend) ||
+                    isDualSource(blendDesc.RenderTarget[0].DestBlend) ||
+                    isDualSource(blendDesc.RenderTarget[0].SrcBlendAlpha) ||
+                    isDualSource(blendDesc.RenderTarget[0].DestBlendAlpha))
+                {
+                    canClearView = false;
+                }
+            }
+        }
+
+        if (needScissoredClear && mRenderer->getFeatures().scissoredClearArtifacts.enabled)
+        {
+            canClearView = false;
+        }
+
+        if ((!canClearView && needScissoredClear) || clearParams.colorType != GL_FLOAT ||
+            (formatInfo.redBits > 0 && !r) || (formatInfo.greenBits > 0 && !g) ||
+            (formatInfo.blueBits > 0 && !b) || (formatInfo.alphaBits > 0 && !a))
+        {
+            rtvs[numRtvs]     = framebufferRTV.get();
+            rtvMasks[numRtvs] = gl_d3d11::GetColorMask(formatInfo) & colorMask;
+            numRtvs++;
+        }
+        else
+        {
+            // ID3D11DeviceContext::ClearRenderTargetView or ID3D11DeviceContext1::ClearView is
+            // possible
+
+            const auto &nativeFormat = renderTarget->getFormatSet().format();
+
+            // Check if the actual format has a channel that the internal format does not and
+            // set them to the default values
+            float clearValues[4] = {
+                ((formatInfo.redBits == 0 && nativeFormat.redBits > 0) ? 0.0f
+                                                                       : clearParams.colorF.red),
+                ((formatInfo.greenBits == 0 && nativeFormat.greenBits > 0)
+                     ? 0.0f
+                     : clearParams.colorF.green),
+                ((formatInfo.blueBits == 0 && nativeFormat.blueBits > 0) ? 0.0f
+                                                                         : clearParams.colorF.blue),
+                ((formatInfo.alphaBits == 0 && nativeFormat.alphaBits > 0)
+                     ? 1.0f
+                     : clearParams.colorF.alpha),
+            };
+
+            if (formatInfo.alphaBits == 1)
+            {
+                // Some drivers do not correctly handle calling Clear() on a format with 1-bit
+                // alpha. They can incorrectly round all non-zero values up to 1.0f. Note that
+                // WARP does not do this. We should handle the rounding for them instead.
+                clearValues[3] = (clearParams.colorF.alpha >= 0.5f) ? 1.0f : 0.0f;
+            }
+
+            if (needScissoredClear)
+            {
+                // We shouldn't reach here if deviceContext1 is unavailable.
+                ASSERT(deviceContext1);
+                deviceContext1->ClearView(framebufferRTV.get(), clearValues, &scissorRect, 1);
+                if (mRenderer->getFeatures().callClearTwice.enabled)
+                {
+                    deviceContext1->ClearView(framebufferRTV.get(), clearValues, &scissorRect, 1);
+                }
+            }
+            else
+            {
+                deviceContext->ClearRenderTargetView(framebufferRTV.get(), clearValues);
+                if (mRenderer->getFeatures().callClearTwice.enabled)
+                {
+                    deviceContext->ClearRenderTargetView(framebufferRTV.get(), clearValues);
+                }
+            }
+        }
+    }
+
+    ID3D11DepthStencilView *dsv = nullptr;
+
+    if (clearParams.clearDepth || clearParams.clearStencil)
+    {
+        RenderTarget11 *depthStencilRenderTarget = nullptr;
+
+        ASSERT(depthStencilAttachment != nullptr);
+        ANGLE_TRY(depthStencilAttachment->getRenderTarget(
+            context, depthStencilAttachment->getRenderToTextureSamples(),
+            &depthStencilRenderTarget));
+
+        dsv = depthStencilRenderTarget->getDepthStencilView().get();
+        ASSERT(dsv != nullptr);
+
+        const auto &nativeFormat      = depthStencilRenderTarget->getFormatSet().format();
+        const auto *stencilAttachment = fboData.getStencilAttachment();
+
+        uint32_t stencilUnmasked =
+            (stencilAttachment != nullptr) ? (1 << nativeFormat.stencilBits) - 1 : 0;
+        bool needMaskedStencilClear =
+            clearParams.clearStencil &&
+            (clearParams.stencilWriteMask & stencilUnmasked) != stencilUnmasked;
+
+        if (!needScissoredClear && !needMaskedStencilClear)
+        {
+            const UINT clearFlags = (clearParams.clearDepth ? D3D11_CLEAR_DEPTH : 0) |
+                                    (clearParams.clearStencil ? D3D11_CLEAR_STENCIL : 0);
+            const FLOAT depthClear   = gl::clamp01(clearParams.depthValue);
+            const UINT8 stencilClear = clearParams.stencilValue & 0xFF;
+
+            deviceContext->ClearDepthStencilView(dsv, clearFlags, depthClear, stencilClear);
+
+            dsv = nullptr;
+        }
+    }
+
+    if (numRtvs == 0 && dsv == nullptr)
+    {
+        return angle::Result::Continue;
+    }
+
+    // Clear the remaining render targets and depth stencil in one pass by rendering a quad:
+    //
+    // IA/VS: Vertices containing position and color members are passed through to the next stage.
+    // The vertex position has XY coordinates equal to clip extents and a Z component equal to the
+    // Z clear value. The vertex color contains the clear color.
+    //
+    // Rasterizer: Viewport scales the VS output over the entire surface and depending on whether
+    // or not scissoring is enabled the appropriate scissor rect and rasterizerState with or without
+    // the scissor test enabled is set as well.
+    //
+    // DepthStencilTest: DepthTesting, DepthWrites, StencilMask and StencilWrites will be enabled or
+    // disabled or set depending on what the input depthStencil clear parameters are. Since the PS
+    // is not writing out depth or rejecting pixels, this should happen prior to the PS stage.
+    //
+    // PS: Will write out the color values passed through from the previous stage to all outputs.
+    //
+    // OM: BlendState will perform the required color masking and output to RTV(s).
+
+    //
+    // ======================================================================================
+    //
+    // Luckily, the gl spec (ES 3.0.2 pg 183) states that the results of clearing a render-
+    // buffer that is not normalized fixed point or floating point with floating point values
+    // are undefined so we can just write floats to them and D3D11 will bit cast them to
+    // integers.
+    //
+    // Also, we don't have to worry about attempting to clear a normalized fixed/floating point
+    // buffer with integer values because there is no gl API call which would allow it,
+    // glClearBuffer* calls only clear a single renderbuffer at a time which is verified to
+    // be a compatible clear type.
+
+    ASSERT(numRtvs <= static_cast<uint32_t>(mRenderer->getNativeCaps().maxDrawBuffers));
+
+    // Setup BlendStateKey parameters
+    mBlendStateKey.blendStateExt.setColorMask(false, false, false, false);
+    for (size_t i = 0; i < numRtvs; i++)
+    {
+        mBlendStateKey.blendStateExt.setColorMaskIndexed(i, rtvMasks[i]);
+    }
+
+    mBlendStateKey.rtvMax = static_cast<uint16_t>(numRtvs);
+
+    // Get BlendState
+    const d3d11::BlendState *blendState = nullptr;
+    ANGLE_TRY(mRenderer->getBlendState(context, mBlendStateKey, &blendState));
+
+    const d3d11::DepthStencilState *dsState = nullptr;
+    const float *zValue                     = nullptr;
+
+    if (dsv)
+    {
+        // Setup DepthStencilStateKey
+        mDepthStencilStateKey.depthTest        = clearParams.clearDepth;
+        mDepthStencilStateKey.depthMask        = clearParams.clearDepth;
+        mDepthStencilStateKey.stencilWritemask = clearParams.stencilWriteMask;
+        mDepthStencilStateKey.stencilTest      = clearParams.clearStencil;
+
+        // Get DepthStencilState
+        ANGLE_TRY(mRenderer->getDepthStencilState(context, mDepthStencilStateKey, &dsState));
+        zValue = clearParams.clearDepth ? &clearParams.depthValue : nullptr;
+    }
+
+    bool dirtyCb = false;
+
+    // Compare the input color/z values against the CB cache and update it if necessary
+    switch (clearParams.colorType)
+    {
+        case GL_FLOAT:
+            dirtyCb =
+                UpdateDataCache(&mShaderData, clearParams.colorF, zValue, numRtvs, commonColorMask);
+            break;
+        case GL_UNSIGNED_INT:
+            dirtyCb = UpdateDataCache(reinterpret_cast<RtvDsvClearInfo<uint32_t> *>(&mShaderData),
+                                      clearParams.colorUI, zValue, numRtvs, commonColorMask);
+            break;
+        case GL_INT:
+            dirtyCb = UpdateDataCache(reinterpret_cast<RtvDsvClearInfo<int> *>(&mShaderData),
+                                      clearParams.colorI, zValue, numRtvs, commonColorMask);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    ANGLE_TRY(ensureConstantBufferCreated(context));
+
+    if (dirtyCb)
+    {
+        // Update the constant buffer with the updated cache contents
+        // TODO(Shahmeer): Consider using UpdateSubresource1 D3D11_COPY_DISCARD where possible.
+        D3D11_MAPPED_SUBRESOURCE mappedResource;
+        ANGLE_TRY(mRenderer->mapResource(context, mConstantBuffer.get(), 0, D3D11_MAP_WRITE_DISCARD,
+                                         0, &mappedResource));
+
+        memcpy(mappedResource.pData, &mShaderData, g_ConstantBufferSize);
+        deviceContext->Unmap(mConstantBuffer.get(), 0);
+    }
+
+    auto *stateManager = mRenderer->getStateManager();
+
+    // Set the viewport to be the same size as the framebuffer.
+    stateManager->setSimpleViewport(framebufferSize);
+
+    // Apply state
+    stateManager->setSimpleBlendState(blendState);
+
+    const UINT stencilValue = clearParams.stencilValue & 0xFF;
+    stateManager->setDepthStencilState(dsState, stencilValue);
+
+    if (needScissoredClear)
+    {
+        stateManager->setRasterizerState(&mScissorEnabledRasterizerState);
+    }
+    else
+    {
+        stateManager->setRasterizerState(&mScissorDisabledRasterizerState);
+    }
+
+    // Get Shaders
+    const d3d11::VertexShader *vs   = nullptr;
+    const d3d11::GeometryShader *gs = nullptr;
+    const d3d11::InputLayout *il    = nullptr;
+    const d3d11::PixelShader *ps    = nullptr;
+    const bool hasLayeredLayout     = (fboData.isMultiview());
+    ANGLE_TRY(mShaderManager.getShadersAndLayout(context, mRenderer, clearParams.colorType, numRtvs,
+                                                 hasLayeredLayout, &il, &vs, &gs, &ps));
+
+    // Apply Shaders
+    stateManager->setDrawShaders(vs, gs, ps);
+    stateManager->setPixelConstantBuffer(0, &mConstantBuffer);
+
+    // Bind IL & VB if needed
+    stateManager->setIndexBuffer(nullptr, DXGI_FORMAT_UNKNOWN, 0);
+    stateManager->setInputLayout(il);
+
+    if (useVertexBuffer())
+    {
+        ANGLE_TRY(ensureVertexBufferCreated(context));
+        stateManager->setSingleVertexBuffer(&mVertexBuffer, g_VertexSize, 0);
+    }
+    else
+    {
+        stateManager->setSingleVertexBuffer(nullptr, 0, 0);
+    }
+
+    stateManager->setPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+
+    // Apply render targets
+    stateManager->setRenderTargets(&rtvs[0], numRtvs, dsv);
+
+    if (needScissoredClear)
+    {
+        stateManager->setScissorRectD3D(scissorRect);
+    }
+    // Draw the fullscreen quad.
+    if (!hasLayeredLayout)
+    {
+        deviceContext->Draw(6, 0);
+    }
+    else
+    {
+        ASSERT(hasLayeredLayout);
+        deviceContext->DrawInstanced(6, static_cast<UINT>(fboData.getNumViews()), 0, 0);
+    }
+
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Clear11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Clear11.h
new file mode 100644
index 0000000000..2e2eca5e80
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Clear11.h
@@ -0,0 +1,102 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Clear11.h: Framebuffer clear utility class.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
+
+#include <map>
+#include <vector>
+
+#include "libANGLE/Error.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+class Renderer11;
+class RenderTarget11;
+struct ClearParameters;
+
+template <typename T>
+struct RtvDsvClearInfo
+{
+    T r, g, b, a;
+    float z;
+    float c1padding[3];
+};
+
+class Clear11 : angle::NonCopyable
+{
+  public:
+    explicit Clear11(Renderer11 *renderer);
+    ~Clear11();
+
+    // Clears the framebuffer with the supplied clear parameters, assumes that the framebuffer is
+    // currently applied.
+    angle::Result clearFramebuffer(const gl::Context *context,
+                                   const ClearParameters &clearParams,
+                                   const gl::FramebufferState &fboData);
+
+  private:
+    class ShaderManager final : angle::NonCopyable
+    {
+      public:
+        ShaderManager();
+        ~ShaderManager();
+        angle::Result getShadersAndLayout(const gl::Context *context,
+                                          Renderer11 *renderer,
+                                          const INT clearType,
+                                          const uint32_t numRTs,
+                                          const bool hasLayeredLayout,
+                                          const d3d11::InputLayout **il,
+                                          const d3d11::VertexShader **vs,
+                                          const d3d11::GeometryShader **gs,
+                                          const d3d11::PixelShader **ps);
+
+      private:
+        constexpr static size_t kNumShaders = D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT;
+
+        d3d11::InputLayout mIl9;
+        d3d11::LazyShader<ID3D11VertexShader> mVs9;
+        d3d11::LazyShader<ID3D11PixelShader> mPsFloat9;
+        d3d11::LazyShader<ID3D11VertexShader> mVs;
+        d3d11::LazyShader<ID3D11VertexShader> mVsMultiview;
+        d3d11::LazyShader<ID3D11GeometryShader> mGsMultiview;
+        d3d11::LazyShader<ID3D11PixelShader> mPsDepth;
+        std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsFloat;
+        std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsUInt;
+        std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsSInt;
+    };
+
+    bool useVertexBuffer() const;
+    angle::Result ensureConstantBufferCreated(const gl::Context *context);
+    angle::Result ensureVertexBufferCreated(const gl::Context *context);
+    angle::Result ensureResourcesInitialized(const gl::Context *context);
+
+    Renderer11 *mRenderer;
+    bool mResourcesInitialized;
+
+    // States
+    d3d11::RasterizerState mScissorEnabledRasterizerState;
+    d3d11::RasterizerState mScissorDisabledRasterizerState;
+    gl::DepthStencilState mDepthStencilStateKey;
+    d3d11::BlendStateKey mBlendStateKey;
+
+    // Shaders and shader resources
+    ShaderManager mShaderManager;
+    d3d11::Buffer mConstantBuffer;
+    d3d11::Buffer mVertexBuffer;
+
+    // Buffer data and draw parameters
+    RtvDsvClearInfo<float> mShaderData;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Context11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Context11.cpp
new file mode 100644
index 0000000000..f3b13f678a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Context11.cpp
@@ -0,0 +1,1048 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context11:
+//   D3D11-specific functionality associated with a GL Context.
+//
+
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+
+#include "common/entry_points_enum_autogen.h"
+#include "common/string_utils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Context.inl.h"
+#include "libANGLE/MemoryProgramCache.h"
+#include "libANGLE/renderer/OverlayImpl.h"
+#include "libANGLE/renderer/d3d/CompilerD3D.h"
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+#include "libANGLE/renderer/d3d/SamplerD3D.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Fence11.h"
+#include "libANGLE/renderer/d3d/d3d11/Framebuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/IndexBuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Program11.h"
+#include "libANGLE/renderer/d3d/d3d11/ProgramPipeline11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/StateManager11.h"
+#include "libANGLE/renderer/d3d/d3d11/TransformFeedback11.h"
+#include "libANGLE/renderer/d3d/d3d11/VertexArray11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+
+namespace
+{
+ANGLE_INLINE bool DrawCallHasDynamicAttribs(const gl::Context *context)
+{
+    VertexArray11 *vertexArray11 = GetImplAs<VertexArray11>(context->getState().getVertexArray());
+    return vertexArray11->hasActiveDynamicAttrib(context);
+}
+
+bool DrawCallHasStreamingVertexArrays(const gl::Context *context, gl::PrimitiveMode mode)
+{
+    // Direct drawing doesn't support dynamic attribute storage since it needs the first and count
+    // to translate when applyVertexBuffer. GL_LINE_LOOP and GL_TRIANGLE_FAN are not supported
+    // either since we need to simulate them in D3D.
+    if (DrawCallHasDynamicAttribs(context) || mode == gl::PrimitiveMode::LineLoop ||
+        mode == gl::PrimitiveMode::TriangleFan)
+    {
+        return true;
+    }
+
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(context->getState().getProgram());
+    if (InstancedPointSpritesActive(programD3D, mode))
+    {
+        return true;
+    }
+
+    return false;
+}
+
+bool DrawCallHasStreamingElementArray(const gl::Context *context, gl::DrawElementsType srcType)
+{
+    const gl::State &glState       = context->getState();
+    gl::Buffer *elementArrayBuffer = glState.getVertexArray()->getElementArrayBuffer();
+
+    bool primitiveRestartWorkaround =
+        UsePrimitiveRestartWorkaround(glState.isPrimitiveRestartEnabled(), srcType);
+    const gl::DrawElementsType dstType =
+        (srcType == gl::DrawElementsType::UnsignedInt || primitiveRestartWorkaround)
+            ? gl::DrawElementsType::UnsignedInt
+            : gl::DrawElementsType::UnsignedShort;
+
+    // Not clear where the offset comes from here.
+    switch (ClassifyIndexStorage(glState, elementArrayBuffer, srcType, dstType, 0))
+    {
+        case IndexStorageType::Dynamic:
+            return true;
+        case IndexStorageType::Direct:
+            return false;
+        case IndexStorageType::Static:
+        {
+            BufferD3D *bufferD3D                     = GetImplAs<BufferD3D>(elementArrayBuffer);
+            StaticIndexBufferInterface *staticBuffer = bufferD3D->getStaticIndexBuffer();
+            return (staticBuffer->getBufferSize() == 0 || staticBuffer->getIndexType() != dstType);
+        }
+        default:
+            UNREACHABLE();
+            return true;
+    }
+}
+
+template <typename IndirectBufferT>
+angle::Result ReadbackIndirectBuffer(const gl::Context *context,
+                                     const void *indirect,
+                                     const IndirectBufferT **bufferPtrOut)
+{
+    const gl::State &glState       = context->getState();
+    gl::Buffer *drawIndirectBuffer = glState.getTargetBuffer(gl::BufferBinding::DrawIndirect);
+    ASSERT(drawIndirectBuffer);
+    Buffer11 *storage = GetImplAs<Buffer11>(drawIndirectBuffer);
+    uintptr_t offset  = reinterpret_cast<uintptr_t>(indirect);
+
+    const uint8_t *bufferData = nullptr;
+    ANGLE_TRY(storage->getData(context, &bufferData));
+    ASSERT(bufferData);
+
+    *bufferPtrOut = reinterpret_cast<const IndirectBufferT *>(bufferData + offset);
+    return angle::Result::Continue;
+}
+}  // anonymous namespace
+
+Context11::Context11(const gl::State &state, gl::ErrorSet *errorSet, Renderer11 *renderer)
+    : ContextD3D(state, errorSet), mRenderer(renderer)
+{}
+
+Context11::~Context11() {}
+
+angle::Result Context11::initialize()
+{
+    return angle::Result::Continue;
+}
+
+void Context11::onDestroy(const gl::Context *context)
+{
+    mIncompleteTextures.onDestroy(context);
+}
+
+CompilerImpl *Context11::createCompiler()
+{
+    if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        return new CompilerD3D(SH_HLSL_4_0_FL9_3_OUTPUT);
+    }
+    else
+    {
+        return new CompilerD3D(SH_HLSL_4_1_OUTPUT);
+    }
+}
+
+ShaderImpl *Context11::createShader(const gl::ShaderState &data)
+{
+    return new ShaderD3D(data, mRenderer);
+}
+
+ProgramImpl *Context11::createProgram(const gl::ProgramState &data)
+{
+    return new Program11(data, mRenderer);
+}
+
+FramebufferImpl *Context11::createFramebuffer(const gl::FramebufferState &data)
+{
+    return new Framebuffer11(data, mRenderer);
+}
+
+TextureImpl *Context11::createTexture(const gl::TextureState &state)
+{
+    switch (state.getType())
+    {
+        case gl::TextureType::_2D:
+        // GL_TEXTURE_VIDEO_IMAGE_WEBGL maps to native 2D texture on Windows platform
+        case gl::TextureType::VideoImage:
+            return new TextureD3D_2D(state, mRenderer);
+        case gl::TextureType::CubeMap:
+            return new TextureD3D_Cube(state, mRenderer);
+        case gl::TextureType::_3D:
+            return new TextureD3D_3D(state, mRenderer);
+        case gl::TextureType::_2DArray:
+            return new TextureD3D_2DArray(state, mRenderer);
+        case gl::TextureType::External:
+            return new TextureD3D_External(state, mRenderer);
+        case gl::TextureType::_2DMultisample:
+            return new TextureD3D_2DMultisample(state, mRenderer);
+        case gl::TextureType::_2DMultisampleArray:
+            return new TextureD3D_2DMultisampleArray(state, mRenderer);
+        case gl::TextureType::Buffer:
+            return new TextureD3D_Buffer(state, mRenderer);
+        default:
+            UNREACHABLE();
+    }
+
+    return nullptr;
+}
+
+RenderbufferImpl *Context11::createRenderbuffer(const gl::RenderbufferState &state)
+{
+    return new RenderbufferD3D(state, mRenderer);
+}
+
+BufferImpl *Context11::createBuffer(const gl::BufferState &state)
+{
+    Buffer11 *buffer = new Buffer11(state, mRenderer);
+    mRenderer->onBufferCreate(buffer);
+    return buffer;
+}
+
+VertexArrayImpl *Context11::createVertexArray(const gl::VertexArrayState &data)
+{
+    return new VertexArray11(data);
+}
+
+QueryImpl *Context11::createQuery(gl::QueryType type)
+{
+    return new Query11(mRenderer, type);
+}
+
+FenceNVImpl *Context11::createFenceNV()
+{
+    return new FenceNV11(mRenderer);
+}
+
+SyncImpl *Context11::createSync()
+{
+    return new Sync11(mRenderer);
+}
+
+TransformFeedbackImpl *Context11::createTransformFeedback(const gl::TransformFeedbackState &state)
+{
+    return new TransformFeedback11(state, mRenderer);
+}
+
+SamplerImpl *Context11::createSampler(const gl::SamplerState &state)
+{
+    return new SamplerD3D(state);
+}
+
+ProgramPipelineImpl *Context11::createProgramPipeline(const gl::ProgramPipelineState &data)
+{
+    return new ProgramPipeline11(data);
+}
+
+MemoryObjectImpl *Context11::createMemoryObject()
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+SemaphoreImpl *Context11::createSemaphore()
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+OverlayImpl *Context11::createOverlay(const gl::OverlayState &state)
+{
+    // Not implemented.
+    return new OverlayImpl(state);
+}
+
+angle::Result Context11::flush(const gl::Context *context)
+{
+    return mRenderer->flush(this);
+}
+
+angle::Result Context11::finish(const gl::Context *context)
+{
+    return mRenderer->finish(this);
+}
+
+angle::Result Context11::drawArrays(const gl::Context *context,
+                                    gl::PrimitiveMode mode,
+                                    GLint first,
+                                    GLsizei count)
+{
+    ASSERT(count > 0);
+    ANGLE_TRY(mRenderer->getStateManager()->updateState(
+        context, mode, first, count, gl::DrawElementsType::InvalidEnum, nullptr, 0, 0, 0, true));
+    return mRenderer->drawArrays(context, mode, first, count, 0, 0, false);
+}
+
+angle::Result Context11::drawArraysInstanced(const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             GLint first,
+                                             GLsizei count,
+                                             GLsizei instanceCount)
+{
+    ASSERT(count > 0);
+    ANGLE_TRY(mRenderer->getStateManager()->updateState(context, mode, first, count,
+                                                        gl::DrawElementsType::InvalidEnum, nullptr,
+                                                        instanceCount, 0, 0, true));
+    return mRenderer->drawArrays(context, mode, first, count, instanceCount, 0, true);
+}
+
+angle::Result Context11::drawArraysInstancedBaseInstance(const gl::Context *context,
+                                                         gl::PrimitiveMode mode,
+                                                         GLint first,
+                                                         GLsizei count,
+                                                         GLsizei instanceCount,
+                                                         GLuint baseInstance)
+{
+    ASSERT(count > 0);
+    ANGLE_TRY(mRenderer->getStateManager()->updateState(context, mode, first, count,
+                                                        gl::DrawElementsType::InvalidEnum, nullptr,
+                                                        instanceCount, 0, baseInstance, true));
+    return mRenderer->drawArrays(context, mode, first, count, instanceCount, baseInstance, true);
+}
+
+ANGLE_INLINE angle::Result Context11::drawElementsImpl(const gl::Context *context,
+                                                       gl::PrimitiveMode mode,
+                                                       GLsizei indexCount,
+                                                       gl::DrawElementsType indexType,
+                                                       const void *indices,
+                                                       GLsizei instanceCount,
+                                                       GLint baseVertex,
+                                                       GLuint baseInstance,
+                                                       bool promoteDynamic,
+                                                       bool isInstancedDraw)
+{
+    ASSERT(indexCount > 0);
+
+    if (DrawCallHasDynamicAttribs(context))
+    {
+        gl::IndexRange indexRange;
+        ANGLE_TRY(context->getState().getVertexArray()->getIndexRange(
+            context, indexType, indexCount, indices, &indexRange));
+        GLint startVertex;
+        ANGLE_TRY(ComputeStartVertex(GetImplAs<Context11>(context), indexRange, baseVertex,
+                                     &startVertex));
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(
+            context, mode, startVertex, indexCount, indexType, indices, instanceCount, baseVertex,
+            baseInstance, promoteDynamic));
+        return mRenderer->drawElements(context, mode, startVertex, indexCount, indexType, indices,
+                                       instanceCount, baseVertex, baseInstance, isInstancedDraw);
+    }
+    else
+    {
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(context, mode, 0, indexCount, indexType,
+                                                            indices, instanceCount, baseVertex,
+                                                            baseInstance, promoteDynamic));
+        return mRenderer->drawElements(context, mode, 0, indexCount, indexType, indices,
+                                       instanceCount, baseVertex, baseInstance, isInstancedDraw);
+    }
+}
+
+angle::Result Context11::drawElements(const gl::Context *context,
+                                      gl::PrimitiveMode mode,
+                                      GLsizei count,
+                                      gl::DrawElementsType type,
+                                      const void *indices)
+{
+    return drawElementsImpl(context, mode, count, type, indices, 0, 0, 0, true, false);
+}
+
+angle::Result Context11::drawElementsBaseVertex(const gl::Context *context,
+                                                gl::PrimitiveMode mode,
+                                                GLsizei count,
+                                                gl::DrawElementsType type,
+                                                const void *indices,
+                                                GLint baseVertex)
+{
+    return drawElementsImpl(context, mode, count, type, indices, 0, baseVertex, 0, true, false);
+}
+
+angle::Result Context11::drawElementsInstanced(const gl::Context *context,
+                                               gl::PrimitiveMode mode,
+                                               GLsizei count,
+                                               gl::DrawElementsType type,
+                                               const void *indices,
+                                               GLsizei instances)
+{
+    return drawElementsImpl(context, mode, count, type, indices, instances, 0, 0, true, true);
+}
+
+angle::Result Context11::drawElementsInstancedBaseVertex(const gl::Context *context,
+                                                         gl::PrimitiveMode mode,
+                                                         GLsizei count,
+                                                         gl::DrawElementsType type,
+                                                         const void *indices,
+                                                         GLsizei instances,
+                                                         GLint baseVertex)
+{
+    return drawElementsImpl(context, mode, count, type, indices, instances, baseVertex, 0, true,
+                            true);
+}
+
+angle::Result Context11::drawElementsInstancedBaseVertexBaseInstance(const gl::Context *context,
+                                                                     gl::PrimitiveMode mode,
+                                                                     GLsizei count,
+                                                                     gl::DrawElementsType type,
+                                                                     const void *indices,
+                                                                     GLsizei instances,
+                                                                     GLint baseVertex,
+                                                                     GLuint baseInstance)
+{
+    return drawElementsImpl(context, mode, count, type, indices, instances, baseVertex,
+                            baseInstance, true, true);
+}
+
+angle::Result Context11::drawRangeElements(const gl::Context *context,
+                                           gl::PrimitiveMode mode,
+                                           GLuint start,
+                                           GLuint end,
+                                           GLsizei count,
+                                           gl::DrawElementsType type,
+                                           const void *indices)
+{
+    return drawElementsImpl(context, mode, count, type, indices, 0, 0, 0, true, false);
+}
+
+angle::Result Context11::drawRangeElementsBaseVertex(const gl::Context *context,
+                                                     gl::PrimitiveMode mode,
+                                                     GLuint start,
+                                                     GLuint end,
+                                                     GLsizei count,
+                                                     gl::DrawElementsType type,
+                                                     const void *indices,
+                                                     GLint baseVertex)
+{
+    return drawElementsImpl(context, mode, count, type, indices, 0, baseVertex, 0, true, false);
+}
+
+angle::Result Context11::drawArraysIndirect(const gl::Context *context,
+                                            gl::PrimitiveMode mode,
+                                            const void *indirect)
+{
+    if (DrawCallHasStreamingVertexArrays(context, mode))
+    {
+        const gl::DrawArraysIndirectCommand *cmd = nullptr;
+        ANGLE_TRY(ReadbackIndirectBuffer(context, indirect, &cmd));
+
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(
+            context, mode, cmd->first, cmd->count, gl::DrawElementsType::InvalidEnum, nullptr,
+            cmd->instanceCount, 0, 0, true));
+        return mRenderer->drawArrays(context, mode, cmd->first, cmd->count, cmd->instanceCount,
+                                     cmd->baseInstance, true);
+    }
+    else
+    {
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(
+            context, mode, 0, 0, gl::DrawElementsType::InvalidEnum, nullptr, 0, 0, 0, true));
+        return mRenderer->drawArraysIndirect(context, indirect);
+    }
+}
+
+angle::Result Context11::drawElementsIndirect(const gl::Context *context,
+                                              gl::PrimitiveMode mode,
+                                              gl::DrawElementsType type,
+                                              const void *indirect)
+{
+    if (DrawCallHasStreamingVertexArrays(context, mode) ||
+        DrawCallHasStreamingElementArray(context, type))
+    {
+        const gl::DrawElementsIndirectCommand *cmd = nullptr;
+        ANGLE_TRY(ReadbackIndirectBuffer(context, indirect, &cmd));
+
+        const GLuint typeBytes = gl::GetDrawElementsTypeSize(type);
+        const void *indices =
+            reinterpret_cast<const void *>(static_cast<uintptr_t>(cmd->firstIndex * typeBytes));
+
+        // We must explicitly resolve the index range for the slow-path indirect drawElements to
+        // make sure we are using the correct 'baseVertex'. This parameter does not exist for the
+        // direct drawElements.
+        gl::IndexRange indexRange;
+        ANGLE_TRY(context->getState().getVertexArray()->getIndexRange(context, type, cmd->count,
+                                                                      indices, &indexRange));
+
+        GLint startVertex;
+        ANGLE_TRY(ComputeStartVertex(GetImplAs<Context11>(context), indexRange, cmd->baseVertex,
+                                     &startVertex));
+
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(
+            context, mode, startVertex, cmd->count, type, indices, cmd->primCount, cmd->baseVertex,
+            cmd->baseInstance, true));
+        return mRenderer->drawElements(context, mode, static_cast<GLint>(indexRange.start),
+                                       cmd->count, type, indices, cmd->primCount, 0, 0, true);
+    }
+    else
+    {
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(context, mode, 0, 0, type, nullptr, 0,
+                                                            0, 0, true));
+        return mRenderer->drawElementsIndirect(context, indirect);
+    }
+}
+
+#define DRAW_ARRAYS__                                                                           \
+    {                                                                                           \
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(                                    \
+            context, mode, firsts[drawID], counts[drawID], gl::DrawElementsType::InvalidEnum,   \
+            nullptr, 0, 0, 0, false));                                                          \
+        ANGLE_TRY(                                                                              \
+            mRenderer->drawArrays(context, mode, firsts[drawID], counts[drawID], 0, 0, false)); \
+    }
+#define DRAW_ARRAYS_INSTANCED_                                                                \
+    {                                                                                         \
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(                                  \
+            context, mode, firsts[drawID], counts[drawID], gl::DrawElementsType::InvalidEnum, \
+            nullptr, instanceCounts[drawID], 0, 0, false));                                   \
+        ANGLE_TRY(mRenderer->drawArrays(context, mode, firsts[drawID], counts[drawID],        \
+                                        instanceCounts[drawID], 0, true));                    \
+    }
+#define DRAW_ARRAYS_INSTANCED_BASE_INSTANCE                                                    \
+    {                                                                                          \
+        ANGLE_TRY(mRenderer->getStateManager()->updateState(                                   \
+            context, mode, firsts[drawID], counts[drawID], gl::DrawElementsType::InvalidEnum,  \
+            nullptr, instanceCounts[drawID], 0, baseInstances[drawID], false));                \
+        ANGLE_TRY(mRenderer->drawArrays(context, mode, firsts[drawID], counts[drawID],         \
+                                        instanceCounts[drawID], baseInstances[drawID], true)); \
+    }
+#define DRAW_ELEMENTS__                                                                           \
+    {                                                                                             \
+        ANGLE_TRY(drawElementsImpl(context, mode, counts[drawID], type, indices[drawID], 0, 0, 0, \
+                                   false, false));                                                \
+    }
+#define DRAW_ELEMENTS_INSTANCED_                                                         \
+    {                                                                                    \
+        ANGLE_TRY(drawElementsImpl(context, mode, counts[drawID], type, indices[drawID], \
+                                   instanceCounts[drawID], 0, 0, false, true));          \
+    }
+#define DRAW_ELEMENTS_INSTANCED_BASE_VERTEX_BASE_INSTANCE                                \
+    {                                                                                    \
+        ANGLE_TRY(drawElementsImpl(context, mode, counts[drawID], type, indices[drawID], \
+                                   instanceCounts[drawID], baseVertices[drawID],         \
+                                   baseInstances[drawID], false, true));                 \
+    }
+
+#define DRAW_CALL(drawType, instanced, bvbi) DRAW_##drawType##instanced##bvbi
+
+#define MULTI_DRAW_BLOCK(drawType, instanced, bvbi, hasDrawID, hasBaseVertex, hasBaseInstance) \
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)                                     \
+    {                                                                                          \
+        if (ANGLE_NOOP_DRAW(instanced))                                                        \
+        {                                                                                      \
+            continue;                                                                          \
+        }                                                                                      \
+        ANGLE_SET_DRAW_ID_UNIFORM(hasDrawID)(drawID);                                          \
+        ANGLE_SET_BASE_VERTEX_UNIFORM(hasBaseVertex)(baseVertices[drawID]);                    \
+        ANGLE_SET_BASE_INSTANCE_UNIFORM(hasBaseInstance)(baseInstances[drawID]);               \
+        ASSERT(counts[drawID] > 0);                                                            \
+        DRAW_CALL(drawType, instanced, bvbi);                                                  \
+        ANGLE_MARK_TRANSFORM_FEEDBACK_USAGE(instanced);                                        \
+        gl::MarkShaderStorageUsage(context);                                                   \
+    }
+
+angle::Result Context11::multiDrawArrays(const gl::Context *context,
+                                         gl::PrimitiveMode mode,
+                                         const GLint *firsts,
+                                         const GLsizei *counts,
+                                         GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::multiDrawArraysInstanced(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  const GLint *firsts,
+                                                  const GLsizei *counts,
+                                                  const GLsizei *instanceCounts,
+                                                  GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::multiDrawArraysIndirect(const gl::Context *context,
+                                                 gl::PrimitiveMode mode,
+                                                 const void *indirect,
+                                                 GLsizei drawcount,
+                                                 GLsizei stride)
+{
+    return rx::MultiDrawArraysIndirectGeneral(this, context, mode, indirect, drawcount, stride);
+}
+
+angle::Result Context11::multiDrawElements(const gl::Context *context,
+                                           gl::PrimitiveMode mode,
+                                           const GLsizei *counts,
+                                           gl::DrawElementsType type,
+                                           const GLvoid *const *indices,
+                                           GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::multiDrawElementsInstanced(const gl::Context *context,
+                                                    gl::PrimitiveMode mode,
+                                                    const GLsizei *counts,
+                                                    gl::DrawElementsType type,
+                                                    const GLvoid *const *indices,
+                                                    const GLsizei *instanceCounts,
+                                                    GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::multiDrawElementsIndirect(const gl::Context *context,
+                                                   gl::PrimitiveMode mode,
+                                                   gl::DrawElementsType type,
+                                                   const void *indirect,
+                                                   GLsizei drawcount,
+                                                   GLsizei stride)
+{
+    return rx::MultiDrawElementsIndirectGeneral(this, context, mode, type, indirect, drawcount,
+                                                stride);
+}
+
+angle::Result Context11::multiDrawArraysInstancedBaseInstance(const gl::Context *context,
+                                                              gl::PrimitiveMode mode,
+                                                              const GLint *firsts,
+                                                              const GLsizei *counts,
+                                                              const GLsizei *instanceCounts,
+                                                              const GLuint *baseInstances,
+                                                              GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    const bool hasBaseInstance = programObject && programObject->hasBaseInstanceUniform();
+    ResetBaseVertexBaseInstance resetUniforms(programObject, false, hasBaseInstance);
+
+    if (hasDrawID && hasBaseInstance)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 1, 0, 1)
+    }
+    else if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 1, 0, 0)
+    }
+    else if (hasBaseInstance)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 0, 0, 1)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::multiDrawElementsInstancedBaseVertexBaseInstance(
+    const gl::Context *context,
+    gl::PrimitiveMode mode,
+    const GLsizei *counts,
+    gl::DrawElementsType type,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    const bool hasBaseVertex   = programObject && programObject->hasBaseVertexUniform();
+    const bool hasBaseInstance = programObject && programObject->hasBaseInstanceUniform();
+    ResetBaseVertexBaseInstance resetUniforms(programObject, hasBaseVertex, hasBaseInstance);
+
+    if (hasDrawID)
+    {
+        if (hasBaseVertex)
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 1, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 1, 0)
+            }
+        }
+        else
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 0, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 0, 0)
+            }
+        }
+    }
+    else
+    {
+        if (hasBaseVertex)
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 1, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 1, 0)
+            }
+        }
+        else
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 0, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 0, 0)
+            }
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+gl::GraphicsResetStatus Context11::getResetStatus()
+{
+    return mRenderer->getResetStatus();
+}
+
+angle::Result Context11::insertEventMarker(GLsizei length, const char *marker)
+{
+    mRenderer->getDebugAnnotatorContext()->setMarker(marker);
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::pushGroupMarker(GLsizei length, const char *marker)
+{
+    mRenderer->getDebugAnnotatorContext()->beginEvent(angle::EntryPoint::GLPushGroupMarkerEXT,
+                                                      marker, marker);
+    mMarkerStack.push(std::string(marker));
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::popGroupMarker()
+{
+    const char *marker = nullptr;
+    if (!mMarkerStack.empty())
+    {
+        marker = mMarkerStack.top().c_str();
+        mMarkerStack.pop();
+        mRenderer->getDebugAnnotatorContext()->endEvent(marker,
+                                                        angle::EntryPoint::GLPopGroupMarkerEXT);
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::pushDebugGroup(const gl::Context *context,
+                                        GLenum source,
+                                        GLuint id,
+                                        const std::string &message)
+{
+    // Fall through to the EXT_debug_marker functions
+    return pushGroupMarker(static_cast<GLsizei>(message.size()), message.c_str());
+}
+
+angle::Result Context11::popDebugGroup(const gl::Context *context)
+{
+    // Fall through to the EXT_debug_marker functions
+    return popGroupMarker();
+}
+
+angle::Result Context11::syncState(const gl::Context *context,
+                                   const gl::State::DirtyBits &dirtyBits,
+                                   const gl::State::DirtyBits &bitMask,
+                                   gl::Command command)
+{
+    mRenderer->getStateManager()->syncState(context, dirtyBits, command);
+    return angle::Result::Continue;
+}
+
+GLint Context11::getGPUDisjoint()
+{
+    return mRenderer->getGPUDisjoint();
+}
+
+GLint64 Context11::getTimestamp()
+{
+    return mRenderer->getTimestamp();
+}
+
+angle::Result Context11::onMakeCurrent(const gl::Context *context)
+{
+    // Immediately return if the device has been lost.
+    if (!mRenderer->getDevice())
+    {
+        return angle::Result::Continue;
+    }
+
+    return mRenderer->getStateManager()->onMakeCurrent(context);
+}
+
+gl::Caps Context11::getNativeCaps() const
+{
+    gl::Caps caps = mRenderer->getNativeCaps();
+
+    // For pixel shaders, the render targets and unordered access views share the same resource
+    // slots, so the maximum number of fragment shader outputs depends on the current context
+    // version:
+    // - If current context is ES 3.0 and below, we use D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT(8)
+    //   as the value of max draw buffers because UAVs are not used.
+    // - If current context is ES 3.1 and the feature level is 11_0, the RTVs and UAVs share 8
+    //   slots. As ES 3.1 requires at least 1 atomic counter buffer in compute shaders, the value
+    //   of max combined shader output resources is limited to 7, thus only 7 RTV slots can be
+    //   used simultaneously.
+    // - If current context is ES 3.1 and the feature level is 11_1, the RTVs and UAVs share 64
+    //   slots. Currently we allocate 60 slots for combined shader output resources, so we can use
+    //   at most D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT(8) RTVs simultaneously.
+    if (mState.getClientVersion() >= gl::ES_3_1 &&
+        mRenderer->getRenderer11DeviceCaps().featureLevel == D3D_FEATURE_LEVEL_11_0)
+    {
+        caps.maxDrawBuffers      = caps.maxCombinedShaderOutputResources;
+        caps.maxColorAttachments = caps.maxCombinedShaderOutputResources;
+    }
+
+    return caps;
+}
+
+const gl::TextureCapsMap &Context11::getNativeTextureCaps() const
+{
+    return mRenderer->getNativeTextureCaps();
+}
+
+const gl::Extensions &Context11::getNativeExtensions() const
+{
+    return mRenderer->getNativeExtensions();
+}
+
+const gl::Limitations &Context11::getNativeLimitations() const
+{
+    return mRenderer->getNativeLimitations();
+}
+
+ShPixelLocalStorageType Context11::getNativePixelLocalStorageType() const
+{
+    return mRenderer->getNativePixelLocalStorageType();
+}
+
+angle::Result Context11::dispatchCompute(const gl::Context *context,
+                                         GLuint numGroupsX,
+                                         GLuint numGroupsY,
+                                         GLuint numGroupsZ)
+{
+    return mRenderer->dispatchCompute(context, numGroupsX, numGroupsY, numGroupsZ);
+}
+
+angle::Result Context11::dispatchComputeIndirect(const gl::Context *context, GLintptr indirect)
+{
+    return mRenderer->dispatchComputeIndirect(context, indirect);
+}
+
+angle::Result Context11::triggerDrawCallProgramRecompilation(const gl::Context *context,
+                                                             gl::PrimitiveMode drawMode)
+{
+    const auto &glState    = context->getState();
+    const auto *va11       = GetImplAs<VertexArray11>(glState.getVertexArray());
+    const auto *drawFBO    = glState.getDrawFramebuffer();
+    gl::Program *program   = glState.getProgram();
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+
+    programD3D->updateCachedInputLayout(va11->getCurrentStateSerial(), glState);
+    programD3D->updateCachedOutputLayout(context, drawFBO);
+
+    bool recompileVS = !programD3D->hasVertexExecutableForCachedInputLayout();
+    bool recompileGS = !programD3D->hasGeometryExecutableForPrimitiveType(glState, drawMode);
+    bool recompilePS = !programD3D->hasPixelExecutableForCachedOutputLayout();
+
+    if (!recompileVS && !recompileGS && !recompilePS)
+    {
+        return angle::Result::Continue;
+    }
+
+    // Load the compiler if necessary and recompile the programs.
+    ANGLE_TRY(mRenderer->ensureHLSLCompilerInitialized(this));
+
+    gl::InfoLog infoLog;
+
+    if (recompileVS)
+    {
+        ShaderExecutableD3D *vertexExe = nullptr;
+        ANGLE_TRY(programD3D->getVertexExecutableForCachedInputLayout(this, &vertexExe, &infoLog));
+        if (!programD3D->hasVertexExecutableForCachedInputLayout())
+        {
+            ASSERT(infoLog.getLength() > 0);
+            ERR() << "Error compiling dynamic vertex executable: " << infoLog.str();
+            ANGLE_TRY_HR(this, E_FAIL, "Error compiling dynamic vertex executable");
+        }
+    }
+
+    if (recompileGS)
+    {
+        ShaderExecutableD3D *geometryExe = nullptr;
+        ANGLE_TRY(programD3D->getGeometryExecutableForPrimitiveType(this, glState, drawMode,
+                                                                    &geometryExe, &infoLog));
+        if (!programD3D->hasGeometryExecutableForPrimitiveType(glState, drawMode))
+        {
+            ASSERT(infoLog.getLength() > 0);
+            ERR() << "Error compiling dynamic geometry executable: " << infoLog.str();
+            ANGLE_TRY_HR(this, E_FAIL, "Error compiling dynamic geometry executable");
+        }
+    }
+
+    if (recompilePS)
+    {
+        ShaderExecutableD3D *pixelExe = nullptr;
+        ANGLE_TRY(programD3D->getPixelExecutableForCachedOutputLayout(this, &pixelExe, &infoLog));
+        if (!programD3D->hasPixelExecutableForCachedOutputLayout())
+        {
+            ASSERT(infoLog.getLength() > 0);
+            ERR() << "Error compiling dynamic pixel executable: " << infoLog.str();
+            ANGLE_TRY_HR(this, E_FAIL, "Error compiling dynamic pixel executable");
+        }
+    }
+
+    // Refresh the program cache entry.
+    if (mMemoryProgramCache)
+    {
+        ANGLE_TRY(mMemoryProgramCache->updateProgram(context, program));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::triggerDispatchCallProgramRecompilation(const gl::Context *context)
+{
+    const auto &glState    = context->getState();
+    gl::Program *program   = glState.getProgram();
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+
+    programD3D->updateCachedComputeImage2DBindLayout(context);
+
+    bool recompileCS = !programD3D->hasComputeExecutableForCachedImage2DBindLayout();
+
+    if (!recompileCS)
+    {
+        return angle::Result::Continue;
+    }
+
+    // Load the compiler if necessary and recompile the programs.
+    ANGLE_TRY(mRenderer->ensureHLSLCompilerInitialized(this));
+
+    gl::InfoLog infoLog;
+
+    ShaderExecutableD3D *computeExe = nullptr;
+    ANGLE_TRY(
+        programD3D->getComputeExecutableForImage2DBindLayout(context, this, &computeExe, &infoLog));
+    if (!programD3D->hasComputeExecutableForCachedImage2DBindLayout())
+    {
+        ASSERT(infoLog.getLength() > 0);
+        ERR() << "Dynamic recompilation error log: " << infoLog.str();
+        ANGLE_TRY_HR(this, E_FAIL, "Error compiling dynamic compute executable");
+    }
+
+    // Refresh the program cache entry.
+    if (mMemoryProgramCache)
+    {
+        ANGLE_TRY(mMemoryProgramCache->updateProgram(context, program));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::memoryBarrier(const gl::Context *context, GLbitfield barriers)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::memoryBarrierByRegion(const gl::Context *context, GLbitfield barriers)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result Context11::getIncompleteTexture(const gl::Context *context,
+                                              gl::TextureType type,
+                                              gl::Texture **textureOut)
+{
+    return mIncompleteTextures.getIncompleteTexture(context, type, gl::SamplerFormat::Float, this,
+                                                    textureOut);
+}
+
+angle::Result Context11::initializeMultisampleTextureToBlack(const gl::Context *context,
+                                                             gl::Texture *glTexture)
+{
+    ASSERT(glTexture->getType() == gl::TextureType::_2DMultisample);
+    TextureD3D *textureD3D        = GetImplAs<TextureD3D>(glTexture);
+    gl::ImageIndex index          = gl::ImageIndex::Make2DMultisample();
+    RenderTargetD3D *renderTarget = nullptr;
+    GLsizei texSamples            = textureD3D->getRenderToTextureSamples();
+    ANGLE_TRY(textureD3D->getRenderTarget(context, index, texSamples, &renderTarget));
+    return mRenderer->clearRenderTarget(context, renderTarget, gl::ColorF(0.0f, 0.0f, 0.0f, 1.0f),
+                                        1.0f, 0);
+}
+
+void Context11::handleResult(HRESULT hr,
+                             const char *message,
+                             const char *file,
+                             const char *function,
+                             unsigned int line)
+{
+    ASSERT(FAILED(hr));
+
+    GLenum glErrorCode = DefaultGLErrorCode(hr);
+
+    std::stringstream errorStream;
+    errorStream << "Internal D3D11 error: " << gl::FmtHR(hr);
+
+    if (d3d11::isDeviceLostError(hr))
+    {
+        HRESULT removalReason = mRenderer->getDevice()->GetDeviceRemovedReason();
+        errorStream << " (removal reason: " << gl::FmtHR(removalReason) << ")";
+        mRenderer->notifyDeviceLost();
+    }
+
+    errorStream << ": " << message;
+
+    mErrors->handleError(glErrorCode, errorStream.str().c_str(), file, function, line);
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Context11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Context11.h
new file mode 100644
index 0000000000..5f84e410b5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Context11.h
@@ -0,0 +1,282 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context11:
+//   D3D11-specific functionality associated with a GL Context.
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_CONTEXT11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_CONTEXT11_H_
+
+#include <stack>
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+
+namespace rx
+{
+class Renderer11;
+
+class Context11 : public ContextD3D, public MultisampleTextureInitializer
+{
+  public:
+    Context11(const gl::State &state, gl::ErrorSet *errorSet, Renderer11 *renderer);
+    ~Context11() override;
+
+    angle::Result initialize() override;
+    void onDestroy(const gl::Context *context) override;
+
+    // Shader creation
+    CompilerImpl *createCompiler() override;
+    ShaderImpl *createShader(const gl::ShaderState &data) override;
+    ProgramImpl *createProgram(const gl::ProgramState &data) override;
+
+    // Framebuffer creation
+    FramebufferImpl *createFramebuffer(const gl::FramebufferState &data) override;
+
+    // Texture creation
+    TextureImpl *createTexture(const gl::TextureState &state) override;
+
+    // Renderbuffer creation
+    RenderbufferImpl *createRenderbuffer(const gl::RenderbufferState &state) override;
+
+    // Buffer creation
+    BufferImpl *createBuffer(const gl::BufferState &state) override;
+
+    // Vertex Array creation
+    VertexArrayImpl *createVertexArray(const gl::VertexArrayState &data) override;
+
+    // Query and Fence creation
+    QueryImpl *createQuery(gl::QueryType type) override;
+    FenceNVImpl *createFenceNV() override;
+    SyncImpl *createSync() override;
+
+    // Transform Feedback creation
+    TransformFeedbackImpl *createTransformFeedback(
+        const gl::TransformFeedbackState &state) override;
+
+    // Sampler object creation
+    SamplerImpl *createSampler(const gl::SamplerState &state) override;
+
+    // Program Pipeline object creation
+    ProgramPipelineImpl *createProgramPipeline(const gl::ProgramPipelineState &data) override;
+
+    // Memory object creation.
+    MemoryObjectImpl *createMemoryObject() override;
+
+    // Semaphore creation.
+    SemaphoreImpl *createSemaphore() override;
+
+    // Overlay creation.
+    OverlayImpl *createOverlay(const gl::OverlayState &state) override;
+
+    // Flush and finish.
+    angle::Result flush(const gl::Context *context) override;
+    angle::Result finish(const gl::Context *context) override;
+
+    // Drawing methods.
+    angle::Result drawArrays(const gl::Context *context,
+                             gl::PrimitiveMode mode,
+                             GLint first,
+                             GLsizei count) override;
+    angle::Result drawArraysInstanced(const gl::Context *context,
+                                      gl::PrimitiveMode mode,
+                                      GLint first,
+                                      GLsizei count,
+                                      GLsizei instanceCount) override;
+    angle::Result drawArraysInstancedBaseInstance(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  GLint first,
+                                                  GLsizei count,
+                                                  GLsizei instanceCount,
+                                                  GLuint baseInstance) override;
+
+    angle::Result drawElements(const gl::Context *context,
+                               gl::PrimitiveMode mode,
+                               GLsizei count,
+                               gl::DrawElementsType type,
+                               const void *indices) override;
+    angle::Result drawElementsBaseVertex(const gl::Context *context,
+                                         gl::PrimitiveMode mode,
+                                         GLsizei count,
+                                         gl::DrawElementsType type,
+                                         const void *indices,
+                                         GLint baseVertex) override;
+    angle::Result drawElementsInstanced(const gl::Context *context,
+                                        gl::PrimitiveMode mode,
+                                        GLsizei count,
+                                        gl::DrawElementsType type,
+                                        const void *indices,
+                                        GLsizei instances) override;
+    angle::Result drawElementsInstancedBaseVertex(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  GLsizei count,
+                                                  gl::DrawElementsType type,
+                                                  const void *indices,
+                                                  GLsizei instances,
+                                                  GLint baseVertex) override;
+    angle::Result drawElementsInstancedBaseVertexBaseInstance(const gl::Context *context,
+                                                              gl::PrimitiveMode mode,
+                                                              GLsizei count,
+                                                              gl::DrawElementsType type,
+                                                              const void *indices,
+                                                              GLsizei instances,
+                                                              GLint baseVertex,
+                                                              GLuint baseInstance) override;
+    angle::Result drawRangeElements(const gl::Context *context,
+                                    gl::PrimitiveMode mode,
+                                    GLuint start,
+                                    GLuint end,
+                                    GLsizei count,
+                                    gl::DrawElementsType type,
+                                    const void *indices) override;
+    angle::Result drawRangeElementsBaseVertex(const gl::Context *context,
+                                              gl::PrimitiveMode mode,
+                                              GLuint start,
+                                              GLuint end,
+                                              GLsizei count,
+                                              gl::DrawElementsType type,
+                                              const void *indices,
+                                              GLint baseVertex) override;
+    angle::Result drawArraysIndirect(const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     const void *indirect) override;
+    angle::Result drawElementsIndirect(const gl::Context *context,
+                                       gl::PrimitiveMode mode,
+                                       gl::DrawElementsType type,
+                                       const void *indirect) override;
+
+    angle::Result multiDrawArrays(const gl::Context *context,
+                                  gl::PrimitiveMode mode,
+                                  const GLint *firsts,
+                                  const GLsizei *counts,
+                                  GLsizei drawcount) override;
+    angle::Result multiDrawArraysInstanced(const gl::Context *context,
+                                           gl::PrimitiveMode mode,
+                                           const GLint *firsts,
+                                           const GLsizei *counts,
+                                           const GLsizei *instanceCounts,
+                                           GLsizei drawcount) override;
+    angle::Result multiDrawArraysIndirect(const gl::Context *context,
+                                          gl::PrimitiveMode mode,
+                                          const void *indirect,
+                                          GLsizei drawcount,
+                                          GLsizei stride) override;
+    angle::Result multiDrawElements(const gl::Context *context,
+                                    gl::PrimitiveMode mode,
+                                    const GLsizei *counts,
+                                    gl::DrawElementsType type,
+                                    const GLvoid *const *indices,
+                                    GLsizei drawcount) override;
+    angle::Result multiDrawElementsInstanced(const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             const GLsizei *counts,
+                                             gl::DrawElementsType type,
+                                             const GLvoid *const *indices,
+                                             const GLsizei *instanceCounts,
+                                             GLsizei drawcount) override;
+    angle::Result multiDrawElementsIndirect(const gl::Context *context,
+                                            gl::PrimitiveMode mode,
+                                            gl::DrawElementsType type,
+                                            const void *indirect,
+                                            GLsizei drawcount,
+                                            GLsizei stride) override;
+    angle::Result multiDrawArraysInstancedBaseInstance(const gl::Context *context,
+                                                       gl::PrimitiveMode mode,
+                                                       const GLint *firsts,
+                                                       const GLsizei *counts,
+                                                       const GLsizei *instanceCounts,
+                                                       const GLuint *baseInstances,
+                                                       GLsizei drawcount) override;
+    angle::Result multiDrawElementsInstancedBaseVertexBaseInstance(const gl::Context *context,
+                                                                   gl::PrimitiveMode mode,
+                                                                   const GLsizei *counts,
+                                                                   gl::DrawElementsType type,
+                                                                   const GLvoid *const *indices,
+                                                                   const GLsizei *instanceCounts,
+                                                                   const GLint *baseVertices,
+                                                                   const GLuint *baseInstances,
+                                                                   GLsizei drawcount) override;
+
+    // Device loss
+    gl::GraphicsResetStatus getResetStatus() override;
+
+    // EXT_debug_marker
+    angle::Result insertEventMarker(GLsizei length, const char *marker) override;
+    angle::Result pushGroupMarker(GLsizei length, const char *marker) override;
+    angle::Result popGroupMarker() override;
+
+    // KHR_debug
+    angle::Result pushDebugGroup(const gl::Context *context,
+                                 GLenum source,
+                                 GLuint id,
+                                 const std::string &message) override;
+    angle::Result popDebugGroup(const gl::Context *context) override;
+
+    // State sync with dirty bits.
+    angle::Result syncState(const gl::Context *context,
+                            const gl::State::DirtyBits &dirtyBits,
+                            const gl::State::DirtyBits &bitMask,
+                            gl::Command command) override;
+
+    // Disjoint timer queries
+    GLint getGPUDisjoint() override;
+    GLint64 getTimestamp() override;
+
+    // Context switching
+    angle::Result onMakeCurrent(const gl::Context *context) override;
+
+    // Caps queries
+    gl::Caps getNativeCaps() const override;
+    const gl::TextureCapsMap &getNativeTextureCaps() const override;
+    const gl::Extensions &getNativeExtensions() const override;
+    const gl::Limitations &getNativeLimitations() const override;
+    ShPixelLocalStorageType getNativePixelLocalStorageType() const override;
+
+    Renderer11 *getRenderer() const { return mRenderer; }
+
+    angle::Result dispatchCompute(const gl::Context *context,
+                                  GLuint numGroupsX,
+                                  GLuint numGroupsY,
+                                  GLuint numGroupsZ) override;
+    angle::Result dispatchComputeIndirect(const gl::Context *context, GLintptr indirect) override;
+
+    angle::Result memoryBarrier(const gl::Context *context, GLbitfield barriers) override;
+    angle::Result memoryBarrierByRegion(const gl::Context *context, GLbitfield barriers) override;
+
+    angle::Result triggerDrawCallProgramRecompilation(const gl::Context *context,
+                                                      gl::PrimitiveMode drawMode);
+    angle::Result triggerDispatchCallProgramRecompilation(const gl::Context *context);
+    angle::Result getIncompleteTexture(const gl::Context *context,
+                                       gl::TextureType type,
+                                       gl::Texture **textureOut);
+
+    angle::Result initializeMultisampleTextureToBlack(const gl::Context *context,
+                                                      gl::Texture *glTexture) override;
+
+    void handleResult(HRESULT hr,
+                      const char *message,
+                      const char *file,
+                      const char *function,
+                      unsigned int line) override;
+
+  private:
+    angle::Result drawElementsImpl(const gl::Context *context,
+                                   gl::PrimitiveMode mode,
+                                   GLsizei indexCount,
+                                   gl::DrawElementsType indexType,
+                                   const void *indices,
+                                   GLsizei instanceCount,
+                                   GLint baseVertex,
+                                   GLuint baseInstance,
+                                   bool promoteDynamic,
+                                   bool isInstancedDraw);
+
+    Renderer11 *mRenderer;
+    IncompleteTextureSet mIncompleteTextures;
+    std::stack<std::string> mMarkerStack;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_CONTEXT11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/DebugAnnotator11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/DebugAnnotator11.cpp
new file mode 100644
index 0000000000..2b947d8957
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/DebugAnnotator11.cpp
@@ -0,0 +1,148 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DebugAnnotator11.cpp: D3D11 helpers for adding trace annotations.
+//
+
+#include "libANGLE/renderer/d3d/d3d11/DebugAnnotator11.h"
+
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include <versionhelpers.h>
+
+#include "common/system_utils.h"
+
+namespace rx
+{
+
+// DebugAnnotator11 implementation
+DebugAnnotator11::DebugAnnotator11() {}
+
+DebugAnnotator11::~DebugAnnotator11() {}
+
+void DebugAnnotator11::beginEvent(gl::Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const char *eventName,
+                                  const char *eventMessage)
+{
+    angle::LoggingAnnotator::beginEvent(context, entryPoint, eventName, eventMessage);
+    if (!context)
+    {
+        return;
+    }
+    Renderer11 *renderer11 = GetImplAs<Context11>(context)->getRenderer();
+    renderer11->getDebugAnnotatorContext()->beginEvent(entryPoint, eventName, eventMessage);
+}
+
+void DebugAnnotator11::endEvent(gl::Context *context,
+                                const char *eventName,
+                                angle::EntryPoint entryPoint)
+{
+    angle::LoggingAnnotator::endEvent(context, eventName, entryPoint);
+    if (!context)
+    {
+        return;
+    }
+    Renderer11 *renderer11 = GetImplAs<Context11>(context)->getRenderer();
+    renderer11->getDebugAnnotatorContext()->endEvent(eventName, entryPoint);
+}
+
+void DebugAnnotator11::setMarker(gl::Context *context, const char *markerName)
+{
+    angle::LoggingAnnotator::setMarker(context, markerName);
+    if (!context)
+    {
+        return;
+    }
+    Renderer11 *renderer11 = GetImplAs<Context11>(context)->getRenderer();
+    renderer11->getDebugAnnotatorContext()->setMarker(markerName);
+}
+
+bool DebugAnnotator11::getStatus(const gl::Context *context)
+{
+    if (!context)
+    {
+        return false;
+    }
+    Renderer11 *renderer11 = GetImplAs<Context11>(context)->getRenderer();
+    return renderer11->getDebugAnnotatorContext()->getStatus();
+}
+
+// DebugAnnotatorContext11 implemenetation
+DebugAnnotatorContext11::DebugAnnotatorContext11() = default;
+
+DebugAnnotatorContext11::~DebugAnnotatorContext11() = default;
+
+void DebugAnnotatorContext11::beginEvent(angle::EntryPoint entryPoint,
+                                         const char *eventName,
+                                         const char *eventMessage)
+{
+    if (loggingEnabledForThisThread())
+    {
+        std::mbstate_t state = std::mbstate_t();
+        std::mbsrtowcs(mWCharMessage, &eventMessage, kMaxMessageLength, &state);
+        mUserDefinedAnnotation->BeginEvent(mWCharMessage);
+    }
+}
+
+void DebugAnnotatorContext11::endEvent(const char *eventName, angle::EntryPoint entryPoint)
+{
+    if (loggingEnabledForThisThread())
+    {
+        mUserDefinedAnnotation->EndEvent();
+    }
+}
+
+void DebugAnnotatorContext11::setMarker(const char *markerName)
+{
+    if (loggingEnabledForThisThread())
+    {
+        std::mbstate_t state = std::mbstate_t();
+        std::mbsrtowcs(mWCharMessage, &markerName, kMaxMessageLength, &state);
+        mUserDefinedAnnotation->SetMarker(mWCharMessage);
+    }
+}
+
+bool DebugAnnotatorContext11::getStatus() const
+{
+    if (loggingEnabledForThisThread())
+    {
+        return !!(mUserDefinedAnnotation->GetStatus());
+    }
+
+    return false;
+}
+
+bool DebugAnnotatorContext11::loggingEnabledForThisThread() const
+{
+    return mUserDefinedAnnotation != nullptr &&
+           angle::GetCurrentThreadUniqueId() == mAnnotationThread;
+}
+
+void DebugAnnotatorContext11::initialize(ID3D11DeviceContext *context)
+{
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP)
+    // ID3DUserDefinedAnnotation.GetStatus only works on Windows10 or greater.
+    // Returning true unconditionally from DebugAnnotatorContext11::getStatus() means
+    // writing out all compiled shaders to temporary files even if debugging
+    // tools are not attached. See rx::ShaderD3D::prepareSourceAndReturnOptions.
+    // If you want debug annotations, you must use Windows 10.
+    if (IsWindows10OrGreater())
+#endif
+    {
+        mAnnotationThread = angle::GetCurrentThreadUniqueId();
+        mUserDefinedAnnotation.Attach(
+            d3d11::DynamicCastComObject<ID3DUserDefinedAnnotation>(context));
+    }
+}
+
+void DebugAnnotatorContext11::release()
+{
+    mUserDefinedAnnotation.Reset();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/DebugAnnotator11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/DebugAnnotator11.h
new file mode 100644
index 0000000000..0356636762
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/DebugAnnotator11.h
@@ -0,0 +1,60 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DebugAnnotator11.h: D3D11 helpers for adding trace annotations.
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_DEBUGANNOTATOR11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_DEBUGANNOTATOR11_H_
+
+#include "libANGLE/LoggingAnnotator.h"
+
+namespace rx
+{
+
+// Note: To avoid any race conditions between threads, this class has no private data;
+// DebugAnnotatorContext11 will be retrieved from Context11.
+class DebugAnnotator11 : public angle::LoggingAnnotator
+{
+  public:
+    DebugAnnotator11();
+    ~DebugAnnotator11() override;
+    void beginEvent(gl::Context *context,
+                    angle::EntryPoint entryPoint,
+                    const char *eventName,
+                    const char *eventMessage) override;
+    void endEvent(gl::Context *context,
+                  const char *eventName,
+                  angle::EntryPoint entryPoint) override;
+    void setMarker(gl::Context *context, const char *markerName) override;
+    bool getStatus(const gl::Context *context) override;
+};
+
+class DebugAnnotatorContext11
+{
+  public:
+    DebugAnnotatorContext11();
+    ~DebugAnnotatorContext11();
+    void initialize(ID3D11DeviceContext *context);
+    void release();
+    void beginEvent(angle::EntryPoint entryPoint, const char *eventName, const char *eventMessage);
+    void endEvent(const char *eventName, angle::EntryPoint entryPoint);
+    void setMarker(const char *markerName);
+    bool getStatus() const;
+
+  private:
+    bool loggingEnabledForThisThread() const;
+
+    angle::ComPtr<ID3DUserDefinedAnnotation> mUserDefinedAnnotation;
+    static constexpr size_t kMaxMessageLength = 256;
+    wchar_t mWCharMessage[kMaxMessageLength];
+
+    // Only log annotations from the thread used to initialize the debug annotator
+    uint64_t mAnnotationThread;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_DEBUGANNOTATOR11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.cpp
new file mode 100644
index 0000000000..ff2fc8056c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.cpp
@@ -0,0 +1,209 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+namespace rx
+{
+ExternalImageSiblingImpl11::ExternalImageSiblingImpl11(Renderer11 *renderer,
+                                                       EGLClientBuffer buffer,
+                                                       const egl::AttributeMap &attribs)
+    : mRenderer(renderer), mBuffer(buffer), mAttribs(attribs)
+{}
+
+ExternalImageSiblingImpl11::~ExternalImageSiblingImpl11() {}
+
+egl::Error ExternalImageSiblingImpl11::initialize(const egl::Display *display)
+{
+    const angle::Format *angleFormat = nullptr;
+    ANGLE_TRY(mRenderer->getD3DTextureInfo(nullptr, static_cast<IUnknown *>(mBuffer), mAttribs,
+                                           &mWidth, &mHeight, &mSamples, &mFormat, &angleFormat,
+                                           &mArraySlice));
+    ID3D11Texture2D *texture =
+        d3d11::DynamicCastComObject<ID3D11Texture2D>(static_cast<IUnknown *>(mBuffer));
+    ASSERT(texture != nullptr);
+    // TextureHelper11 will release texture on destruction.
+    mTexture.set(texture, d3d11::Format::Get(angleFormat->glInternalFormat,
+                                             mRenderer->getRenderer11DeviceCaps()));
+    D3D11_TEXTURE2D_DESC textureDesc = {};
+    mTexture.getDesc(&textureDesc);
+
+    IDXGIResource *resource = d3d11::DynamicCastComObject<IDXGIResource>(mTexture.get());
+    ASSERT(resource != nullptr);
+    DXGI_USAGE resourceUsage = 0;
+    resource->GetUsage(&resourceUsage);
+    SafeRelease(resource);
+
+    mIsRenderable = (textureDesc.BindFlags & D3D11_BIND_RENDER_TARGET) &&
+                    (resourceUsage & DXGI_USAGE_RENDER_TARGET_OUTPUT) &&
+                    !(resourceUsage & DXGI_USAGE_READ_ONLY);
+
+    mIsTexturable = (textureDesc.BindFlags & D3D11_BIND_SHADER_RESOURCE) &&
+                    (resourceUsage & DXGI_USAGE_SHADER_INPUT);
+
+    mIsTextureArray = (textureDesc.ArraySize > 1);
+
+    return egl::NoError();
+}
+
+gl::Format ExternalImageSiblingImpl11::getFormat() const
+{
+    return mFormat;
+}
+
+bool ExternalImageSiblingImpl11::isRenderable(const gl::Context *context) const
+{
+    return mIsRenderable;
+}
+
+bool ExternalImageSiblingImpl11::isTexturable(const gl::Context *context) const
+{
+    return mIsTexturable;
+}
+
+bool ExternalImageSiblingImpl11::isYUV() const
+{
+    return false;
+}
+
+bool ExternalImageSiblingImpl11::hasProtectedContent() const
+{
+    return false;
+}
+
+gl::Extents ExternalImageSiblingImpl11::getSize() const
+{
+    return gl::Extents(mWidth, mHeight, 1);
+}
+
+size_t ExternalImageSiblingImpl11::getSamples() const
+{
+    return mSamples;
+}
+
+angle::Result ExternalImageSiblingImpl11::getAttachmentRenderTarget(
+    const gl::Context *context,
+    GLenum binding,
+    const gl::ImageIndex &imageIndex,
+    GLsizei samples,
+    FramebufferAttachmentRenderTarget **rtOut)
+{
+    ANGLE_TRY(createRenderTarget(context));
+    *rtOut = mRenderTarget.get();
+    return angle::Result::Continue;
+}
+
+angle::Result ExternalImageSiblingImpl11::initializeContents(const gl::Context *context,
+                                                             GLenum binding,
+                                                             const gl::ImageIndex &imageIndex)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result ExternalImageSiblingImpl11::createRenderTarget(const gl::Context *context)
+{
+    if (mRenderTarget)
+        return angle::Result::Continue;
+
+    Context11 *context11            = GetImplAs<Context11>(context);
+    const d3d11::Format &formatInfo = mTexture.getFormatSet();
+
+    d3d11::RenderTargetView rtv;
+    if (mIsRenderable)
+    {
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format = formatInfo.rtvFormat;
+        if (mIsTextureArray)
+        {
+            if (mSamples == 0)
+            {
+                rtvDesc.ViewDimension                  = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
+                rtvDesc.Texture2DArray.MipSlice        = 0;
+                rtvDesc.Texture2DArray.FirstArraySlice = mArraySlice;
+                rtvDesc.Texture2DArray.ArraySize       = 1;
+            }
+            else
+            {
+                rtvDesc.ViewDimension                    = D3D11_RTV_DIMENSION_TEXTURE2DMSARRAY;
+                rtvDesc.Texture2DMSArray.FirstArraySlice = mArraySlice;
+                rtvDesc.Texture2DMSArray.ArraySize       = 1;
+            }
+        }
+        else
+        {
+            if (mSamples == 0)
+            {
+                rtvDesc.ViewDimension      = D3D11_RTV_DIMENSION_TEXTURE2D;
+                rtvDesc.Texture2D.MipSlice = 0;
+            }
+            else
+            {
+                rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DMS;
+            }
+        }
+
+        ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, mTexture.get(), &rtv));
+        rtv.setInternalName("getAttachmentRenderTarget.RTV");
+    }
+
+    d3d11::SharedSRV srv;
+    if (mIsTexturable)
+    {
+        D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+        srvDesc.Format = formatInfo.srvFormat;
+        if (mIsTextureArray)
+        {
+            if (mSamples == 0)
+            {
+                srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+                srvDesc.Texture2DArray.MostDetailedMip = 0;
+                srvDesc.Texture2DArray.MipLevels       = 1;
+                srvDesc.Texture2DArray.FirstArraySlice = mArraySlice;
+                srvDesc.Texture2DArray.ArraySize       = 1;
+            }
+            else
+            {
+                srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY;
+                srvDesc.Texture2DArray.FirstArraySlice = mArraySlice;
+                srvDesc.Texture2DArray.ArraySize       = 1;
+            }
+        }
+        else
+        {
+            if (mSamples == 0)
+            {
+                srvDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE2D;
+                srvDesc.Texture2D.MostDetailedMip = 0;
+                srvDesc.Texture2D.MipLevels       = 1;
+            }
+            else
+            {
+                srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DMS;
+            }
+        }
+
+        ANGLE_TRY(mRenderer->allocateResource(context11, srvDesc, mTexture.get(), &srv));
+        srv.setInternalName("getAttachmentRenderTarget.SRV");
+    }
+    d3d11::SharedSRV blitSrv = srv.makeCopy();
+
+    mRenderTarget = std::make_unique<TextureRenderTarget11>(
+        std::move(rtv), mTexture, std::move(srv), std::move(blitSrv), mFormat.info->internalFormat,
+        formatInfo, mWidth, mHeight, 1, mSamples);
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.h
new file mode 100644
index 0000000000..3c57120ba2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.h
@@ -0,0 +1,70 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_EXTERNALIMAGESIBLINGIMPL11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_EXTERNALIMAGESIBLINGIMPL11_H_
+
+#include "libANGLE/renderer/ImageImpl.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+
+class Renderer11;
+class RenderTargetD3D;
+
+class ExternalImageSiblingImpl11 : public ExternalImageSiblingImpl
+{
+  public:
+    ExternalImageSiblingImpl11(Renderer11 *renderer,
+                               EGLClientBuffer clientBuffer,
+                               const egl::AttributeMap &attribs);
+    ~ExternalImageSiblingImpl11() override;
+
+    // ExternalImageSiblingImpl interface
+    egl::Error initialize(const egl::Display *display) override;
+    gl::Format getFormat() const override;
+    bool isRenderable(const gl::Context *context) const override;
+    bool isTexturable(const gl::Context *context) const override;
+    bool isYUV() const override;
+    bool hasProtectedContent() const override;
+    gl::Extents getSize() const override;
+    size_t getSamples() const override;
+
+    // FramebufferAttachmentObjectImpl interface
+    angle::Result getAttachmentRenderTarget(const gl::Context *context,
+                                            GLenum binding,
+                                            const gl::ImageIndex &imageIndex,
+                                            GLsizei samples,
+                                            FramebufferAttachmentRenderTarget **rtOut) override;
+    angle::Result initializeContents(const gl::Context *context,
+                                     GLenum binding,
+                                     const gl::ImageIndex &imageIndex) override;
+
+  private:
+    angle::Result createRenderTarget(const gl::Context *context);
+
+    Renderer11 *mRenderer;
+    EGLClientBuffer mBuffer;
+    egl::AttributeMap mAttribs;
+
+    TextureHelper11 mTexture;
+
+    gl::Format mFormat   = gl::Format::Invalid();
+    bool mIsRenderable   = false;
+    bool mIsTexturable   = false;
+    bool mIsTextureArray = false;
+    EGLint mWidth        = 0;
+    EGLint mHeight       = 0;
+    GLsizei mSamples     = 0;
+    UINT mArraySlice     = 0;
+
+    std::unique_ptr<RenderTargetD3D> mRenderTarget;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_EXTERNALIMAGESIBLINGIMPL11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Fence11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Fence11.cpp
new file mode 100644
index 0000000000..38a7331b00
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Fence11.cpp
@@ -0,0 +1,234 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Fence11.cpp: Defines the rx::FenceNV11 and rx::Sync11 classes which implement
+// rx::FenceNVImpl and rx::SyncImpl.
+
+#include "libANGLE/renderer/d3d/d3d11/Fence11.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+
+namespace rx
+{
+
+//
+// Template helpers for set and test operations.
+//
+
+template <class FenceClass>
+angle::Result FenceSetHelper(const gl::Context *context, FenceClass *fence)
+{
+    if (!fence->mQuery)
+    {
+        D3D11_QUERY_DESC queryDesc;
+        queryDesc.Query     = D3D11_QUERY_EVENT;
+        queryDesc.MiscFlags = 0;
+
+        Context11 *context11 = GetImplAs<Context11>(context);
+        HRESULT result = fence->mRenderer->getDevice()->CreateQuery(&queryDesc, &fence->mQuery);
+        ANGLE_TRY_HR(context11, result, "Failed to create event query");
+    }
+
+    fence->mRenderer->getDeviceContext()->End(fence->mQuery);
+    return angle::Result::Continue;
+}
+
+template <class FenceClass>
+angle::Result FenceTestHelper(const gl::Context *context,
+                              FenceClass *fence,
+                              bool flushCommandBuffer,
+                              GLboolean *outFinished)
+{
+    ASSERT(fence->mQuery);
+
+    UINT getDataFlags = (flushCommandBuffer ? 0 : D3D11_ASYNC_GETDATA_DONOTFLUSH);
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+    HRESULT result =
+        fence->mRenderer->getDeviceContext()->GetData(fence->mQuery, nullptr, 0, getDataFlags);
+    ANGLE_TRY_HR(context11, result, "Failed to get query data");
+
+    ASSERT(result == S_OK || result == S_FALSE);
+    *outFinished = ((result == S_OK) ? GL_TRUE : GL_FALSE);
+    return angle::Result::Continue;
+}
+
+//
+// FenceNV11
+//
+
+FenceNV11::FenceNV11(Renderer11 *renderer) : FenceNVImpl(), mRenderer(renderer), mQuery(nullptr) {}
+
+FenceNV11::~FenceNV11()
+{
+    SafeRelease(mQuery);
+}
+
+angle::Result FenceNV11::set(const gl::Context *context, GLenum condition)
+{
+    return FenceSetHelper(context, this);
+}
+
+angle::Result FenceNV11::test(const gl::Context *context, GLboolean *outFinished)
+{
+    return FenceTestHelper(context, this, true, outFinished);
+}
+
+angle::Result FenceNV11::finish(const gl::Context *context)
+{
+    GLboolean finished = GL_FALSE;
+
+    int loopCount = 0;
+    while (finished != GL_TRUE)
+    {
+        loopCount++;
+        ANGLE_TRY(FenceTestHelper(context, this, true, &finished));
+
+        bool checkDeviceLost = (loopCount % kPollingD3DDeviceLostCheckFrequency) == 0;
+        if (checkDeviceLost && mRenderer->testDeviceLost())
+        {
+            ANGLE_TRY_HR(GetImplAs<Context11>(context), DXGI_ERROR_DRIVER_INTERNAL_ERROR,
+                         "Device was lost while querying result of an event query.");
+        }
+
+        ScheduleYield();
+    }
+
+    return angle::Result::Continue;
+}
+
+//
+// Sync11
+//
+
+// Important note on accurate timers in Windows:
+//
+// QueryPerformanceCounter has a few major issues, including being 10x as expensive to call
+// as timeGetTime on laptops and "jumping" during certain hardware events.
+//
+// See the comments at the top of the Chromium source file "chromium/src/base/time/time_win.cc"
+//   https://code.google.com/p/chromium/codesearch#chromium/src/base/time/time_win.cc
+//
+// We still opt to use QPC. In the present and moving forward, most newer systems will not suffer
+// from buggy implementations.
+
+Sync11::Sync11(Renderer11 *renderer) : SyncImpl(), mRenderer(renderer), mQuery(nullptr)
+{
+    LARGE_INTEGER counterFreqency = {};
+    BOOL success                  = QueryPerformanceFrequency(&counterFreqency);
+    ASSERT(success);
+
+    mCounterFrequency = counterFreqency.QuadPart;
+}
+
+Sync11::~Sync11()
+{
+    SafeRelease(mQuery);
+}
+
+angle::Result Sync11::set(const gl::Context *context, GLenum condition, GLbitfield flags)
+{
+    ASSERT(condition == GL_SYNC_GPU_COMMANDS_COMPLETE && flags == 0);
+    return FenceSetHelper(context, this);
+}
+
+angle::Result Sync11::clientWait(const gl::Context *context,
+                                 GLbitfield flags,
+                                 GLuint64 timeout,
+                                 GLenum *outResult)
+{
+    ASSERT(outResult);
+
+    bool flushCommandBuffer = ((flags & GL_SYNC_FLUSH_COMMANDS_BIT) != 0);
+
+    *outResult = GL_WAIT_FAILED;
+
+    GLboolean result = GL_FALSE;
+    ANGLE_TRY(FenceTestHelper(context, this, flushCommandBuffer, &result));
+
+    if (result == GL_TRUE)
+    {
+        *outResult = GL_ALREADY_SIGNALED;
+        return angle::Result::Continue;
+    }
+
+    if (timeout == 0)
+    {
+        *outResult = GL_TIMEOUT_EXPIRED;
+        return angle::Result::Continue;
+    }
+
+    LARGE_INTEGER currentCounter = {};
+    BOOL success                 = QueryPerformanceCounter(&currentCounter);
+    ASSERT(success);
+
+    LONGLONG timeoutInSeconds = static_cast<LONGLONG>(timeout / 1000000000ull);
+    LONGLONG endCounter       = currentCounter.QuadPart + mCounterFrequency * timeoutInSeconds;
+
+    // Extremely unlikely, but if mCounterFrequency is large enough, endCounter can wrap
+    if (endCounter < currentCounter.QuadPart)
+    {
+        endCounter = MAXLONGLONG;
+    }
+
+    int loopCount = 0;
+    while (currentCounter.QuadPart < endCounter && !result)
+    {
+        loopCount++;
+        ScheduleYield();
+        success = QueryPerformanceCounter(&currentCounter);
+        ASSERT(success);
+
+        *outResult = GL_WAIT_FAILED;
+
+        ANGLE_TRY(FenceTestHelper(context, this, flushCommandBuffer, &result));
+
+        bool checkDeviceLost = (loopCount % kPollingD3DDeviceLostCheckFrequency) == 0;
+        if (checkDeviceLost && mRenderer->testDeviceLost())
+        {
+            *outResult = GL_WAIT_FAILED;
+            ANGLE_TRY_HR(GetImplAs<Context11>(context), DXGI_ERROR_DRIVER_INTERNAL_ERROR,
+                         "Device was lost while querying result of an event query.");
+        }
+    }
+
+    if (currentCounter.QuadPart >= endCounter)
+    {
+        *outResult = GL_TIMEOUT_EXPIRED;
+    }
+    else
+    {
+        *outResult = GL_CONDITION_SATISFIED;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Sync11::serverWait(const gl::Context *context, GLbitfield flags, GLuint64 timeout)
+{
+    // Because our API is currently designed to be called from a single thread, we don't need to do
+    // extra work for a server-side fence. GPU commands issued after the fence is created will
+    // always be processed after the fence is signaled.
+    return angle::Result::Continue;
+}
+
+angle::Result Sync11::getStatus(const gl::Context *context, GLint *outResult)
+{
+    GLboolean result = GL_FALSE;
+
+    // The spec does not specify any way to report errors during the status test (e.g. device
+    // lost) so we report the fence is unblocked in case of error or signaled.
+    *outResult = GL_SIGNALED;
+    ANGLE_TRY(FenceTestHelper(context, this, false, &result));
+
+    *outResult = (result ? GL_SIGNALED : GL_UNSIGNALED);
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Fence11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Fence11.h
new file mode 100644
index 0000000000..e35ff6b71c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Fence11.h
@@ -0,0 +1,76 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Fence11.h: Defines the rx::FenceNV11 and rx::Sync11 classes which implement rx::FenceNVImpl
+// and rx::SyncImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_FENCE11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_FENCE11_H_
+
+#include "libANGLE/renderer/FenceNVImpl.h"
+#include "libANGLE/renderer/SyncImpl.h"
+
+namespace rx
+{
+class Renderer11;
+
+class FenceNV11 : public FenceNVImpl
+{
+  public:
+    explicit FenceNV11(Renderer11 *renderer);
+    ~FenceNV11() override;
+
+    void onDestroy(const gl::Context *context) override {}
+    angle::Result set(const gl::Context *context, GLenum condition) override;
+    angle::Result test(const gl::Context *context, GLboolean *outFinished) override;
+    angle::Result finish(const gl::Context *context) override;
+
+  private:
+    template <class T>
+    friend angle::Result FenceSetHelper(const gl::Context *context, T *fence);
+    template <class T>
+    friend angle::Result FenceTestHelper(const gl::Context *context,
+                                         T *fence,
+                                         bool flushCommandBuffer,
+                                         GLboolean *outFinished);
+
+    Renderer11 *mRenderer;
+    ID3D11Query *mQuery;
+};
+
+class Sync11 : public SyncImpl
+{
+  public:
+    explicit Sync11(Renderer11 *renderer);
+    ~Sync11() override;
+
+    angle::Result set(const gl::Context *context, GLenum condition, GLbitfield flags) override;
+    angle::Result clientWait(const gl::Context *context,
+                             GLbitfield flags,
+                             GLuint64 timeout,
+                             GLenum *outResult) override;
+    angle::Result serverWait(const gl::Context *context,
+                             GLbitfield flags,
+                             GLuint64 timeout) override;
+    angle::Result getStatus(const gl::Context *context, GLint *outResult) override;
+
+  private:
+    template <class T>
+    friend angle::Result FenceSetHelper(const gl::Context *context, T *fence);
+    template <class T>
+    friend angle::Result FenceTestHelper(const gl::Context *context,
+                                         T *fence,
+                                         bool flushCommandBuffer,
+                                         GLboolean *outFinished);
+
+    Renderer11 *mRenderer;
+    ID3D11Query *mQuery;
+    LONGLONG mCounterFrequency;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_FENCE11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.cpp
new file mode 100644
index 0000000000..e6516ff521
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.cpp
@@ -0,0 +1,452 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Framebuffer11.cpp: Implements the Framebuffer11 class.
+
+#include "libANGLE/renderer/d3d/d3d11/Framebuffer11.h"
+
+#include "common/bitset_utils.h"
+#include "common/debug.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Clear11.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+using namespace angle;
+
+namespace rx
+{
+
+namespace
+{
+angle::Result MarkAttachmentsDirty(const gl::Context *context,
+                                   const gl::FramebufferAttachment *attachment)
+{
+    if (attachment->type() == GL_TEXTURE)
+    {
+        gl::Texture *texture = attachment->getTexture();
+
+        TextureD3D *textureD3D = GetImplAs<TextureD3D>(texture);
+
+        TextureStorage *texStorage = nullptr;
+        ANGLE_TRY(textureD3D->getNativeTexture(context, &texStorage));
+
+        if (texStorage)
+        {
+            TextureStorage11 *texStorage11 = GetAs<TextureStorage11>(texStorage);
+            ASSERT(texStorage11);
+
+            texStorage11->markLevelDirty(attachment->mipLevel());
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+UINT GetAttachmentLayer(const gl::FramebufferAttachment *attachment)
+{
+    if (attachment->type() == GL_TEXTURE &&
+        attachment->getTexture()->getType() == gl::TextureType::_3D)
+    {
+        return attachment->layer();
+    }
+    return 0;
+}
+
+}  // anonymous namespace
+
+Framebuffer11::Framebuffer11(const gl::FramebufferState &data, Renderer11 *renderer)
+    : FramebufferD3D(data, renderer), mRenderer(renderer)
+{
+    ASSERT(mRenderer != nullptr);
+}
+
+Framebuffer11::~Framebuffer11() {}
+
+angle::Result Framebuffer11::markAttachmentsDirty(const gl::Context *context) const
+{
+    const auto &colorAttachments = mState.getColorAttachments();
+    for (size_t drawBuffer : mState.getEnabledDrawBuffers())
+    {
+        const gl::FramebufferAttachment &colorAttachment = colorAttachments[drawBuffer];
+        ASSERT(colorAttachment.isAttached());
+        ANGLE_TRY(MarkAttachmentsDirty(context, &colorAttachment));
+    }
+
+    const gl::FramebufferAttachment *dsAttachment = mState.getDepthOrStencilAttachment();
+    if (dsAttachment)
+    {
+        ANGLE_TRY(MarkAttachmentsDirty(context, dsAttachment));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer11::clearImpl(const gl::Context *context,
+                                       const ClearParameters &clearParams)
+{
+    Clear11 *clearer = mRenderer->getClearer();
+
+    const gl::FramebufferAttachment *colorAttachment = mState.getFirstColorAttachment();
+    if (clearParams.scissorEnabled == true && colorAttachment != nullptr &&
+        UsePresentPathFast(mRenderer, colorAttachment))
+    {
+        // If the current framebuffer is using the default colorbuffer, and present path fast is
+        // active, and the scissor rect is enabled, then we should invert the scissor rect
+        // vertically
+        ClearParameters presentPathFastClearParams = clearParams;
+        gl::Extents framebufferSize                = colorAttachment->getSize();
+        presentPathFastClearParams.scissor.y       = framebufferSize.height -
+                                               presentPathFastClearParams.scissor.y -
+                                               presentPathFastClearParams.scissor.height;
+        ANGLE_TRY(clearer->clearFramebuffer(context, presentPathFastClearParams, mState));
+    }
+    else
+    {
+        ANGLE_TRY(clearer->clearFramebuffer(context, clearParams, mState));
+    }
+
+    ANGLE_TRY(markAttachmentsDirty(context));
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer11::invalidate(const gl::Context *context,
+                                        size_t count,
+                                        const GLenum *attachments)
+{
+    return invalidateBase(context, count, attachments, false);
+}
+
+angle::Result Framebuffer11::discard(const gl::Context *context,
+                                     size_t count,
+                                     const GLenum *attachments)
+{
+    return invalidateBase(context, count, attachments, true);
+}
+
+angle::Result Framebuffer11::invalidateBase(const gl::Context *context,
+                                            size_t count,
+                                            const GLenum *attachments,
+                                            bool useEXTBehavior) const
+{
+    ID3D11DeviceContext1 *deviceContext1 = mRenderer->getDeviceContext1IfSupported();
+
+    if (!deviceContext1)
+    {
+        // DiscardView() is only supported on ID3D11DeviceContext1
+        return angle::Result::Continue;
+    }
+
+    bool foundDepth   = false;
+    bool foundStencil = false;
+
+    for (size_t i = 0; i < count; ++i)
+    {
+        switch (attachments[i])
+        {
+            // Handle depth and stencil attachments. Defer discarding until later.
+            case GL_DEPTH_STENCIL_ATTACHMENT:
+                foundDepth   = true;
+                foundStencil = true;
+                break;
+            case GL_DEPTH_EXT:
+            case GL_DEPTH_ATTACHMENT:
+                foundDepth = true;
+                break;
+            case GL_STENCIL_EXT:
+            case GL_STENCIL_ATTACHMENT:
+                foundStencil = true;
+                break;
+            default:
+            {
+                // Handle color attachments
+                ASSERT((attachments[i] >= GL_COLOR_ATTACHMENT0 &&
+                        attachments[i] <= GL_COLOR_ATTACHMENT15) ||
+                       (attachments[i] == GL_COLOR));
+
+                size_t colorIndex =
+                    (attachments[i] == GL_COLOR ? 0u : (attachments[i] - GL_COLOR_ATTACHMENT0));
+                const gl::FramebufferAttachment *colorAttachment =
+                    mState.getColorAttachment(colorIndex);
+                if (colorAttachment)
+                {
+                    ANGLE_TRY(invalidateAttachment(context, colorAttachment));
+                }
+                break;
+            }
+        }
+    }
+
+    bool discardDepth   = false;
+    bool discardStencil = false;
+
+    // The D3D11 renderer uses the same view for depth and stencil buffers, so we must be careful.
+    if (useEXTBehavior)
+    {
+        // In the extension, if the app discards only one of the depth and stencil attachments, but
+        // those are backed by the same packed_depth_stencil buffer, then both images become
+        // undefined.
+        discardDepth = foundDepth;
+
+        // Don't bother discarding the stencil buffer if the depth buffer will already do it
+        discardStencil = foundStencil && (!discardDepth || mState.getDepthAttachment() == nullptr);
+    }
+    else
+    {
+        // In ES 3.0.4, if a specified attachment has base internal format DEPTH_STENCIL but the
+        // attachments list does not include DEPTH_STENCIL_ATTACHMENT or both DEPTH_ATTACHMENT and
+        // STENCIL_ATTACHMENT, then only the specified portion of every pixel in the subregion of
+        // pixels of the DEPTH_STENCIL buffer may be invalidated, and the other portion must be
+        // preserved.
+        discardDepth = (foundDepth && foundStencil) ||
+                       (foundDepth && (mState.getStencilAttachment() == nullptr));
+        discardStencil = (foundStencil && (mState.getDepthAttachment() == nullptr));
+    }
+
+    if (discardDepth && mState.getDepthAttachment())
+    {
+        ANGLE_TRY(invalidateAttachment(context, mState.getDepthAttachment()));
+    }
+
+    if (discardStencil && mState.getStencilAttachment())
+    {
+        ANGLE_TRY(invalidateAttachment(context, mState.getStencilAttachment()));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer11::invalidateSub(const gl::Context *context,
+                                           size_t count,
+                                           const GLenum *attachments,
+                                           const gl::Rectangle &area)
+{
+    // A no-op implementation conforms to the spec, so don't call UNIMPLEMENTED()
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer11::invalidateAttachment(const gl::Context *context,
+                                                  const gl::FramebufferAttachment *attachment) const
+{
+    ID3D11DeviceContext1 *deviceContext1 = mRenderer->getDeviceContext1IfSupported();
+    ASSERT(deviceContext1);
+    ASSERT(attachment && attachment->isAttached());
+
+    RenderTarget11 *renderTarget = nullptr;
+    ANGLE_TRY(attachment->getRenderTarget(context, 0, &renderTarget));
+    const auto &rtv = renderTarget->getRenderTargetView();
+
+    if (rtv.valid())
+    {
+        deviceContext1->DiscardView(rtv.get());
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer11::readPixelsImpl(const gl::Context *context,
+                                            const gl::Rectangle &area,
+                                            GLenum format,
+                                            GLenum type,
+                                            size_t outputPitch,
+                                            const gl::PixelPackState &pack,
+                                            gl::Buffer *packBuffer,
+                                            uint8_t *pixels)
+{
+    const gl::FramebufferAttachment *readAttachment = mState.getReadPixelsAttachment(format);
+    ASSERT(readAttachment);
+
+    if (packBuffer != nullptr)
+    {
+        Buffer11 *packBufferStorage      = GetImplAs<Buffer11>(packBuffer);
+        const angle::Format &angleFormat = GetFormatFromFormatType(format, type);
+        PackPixelsParams packParams(area, angleFormat, static_cast<GLuint>(outputPitch),
+                                    pack.reverseRowOrder, packBuffer,
+                                    reinterpret_cast<ptrdiff_t>(pixels));
+
+        return packBufferStorage->packPixels(context, *readAttachment, packParams);
+    }
+
+    return mRenderer->readFromAttachment(context, *readAttachment, area, format, type,
+                                         static_cast<GLuint>(outputPitch), pack, pixels);
+}
+
+angle::Result Framebuffer11::blitImpl(const gl::Context *context,
+                                      const gl::Rectangle &sourceArea,
+                                      const gl::Rectangle &destArea,
+                                      const gl::Rectangle *scissor,
+                                      bool blitRenderTarget,
+                                      bool blitDepth,
+                                      bool blitStencil,
+                                      GLenum filter,
+                                      const gl::Framebuffer *sourceFramebuffer)
+{
+    if (blitRenderTarget)
+    {
+        const gl::FramebufferAttachment *readBuffer = sourceFramebuffer->getReadColorAttachment();
+        ASSERT(readBuffer);
+
+        RenderTargetD3D *readRenderTarget = nullptr;
+        ANGLE_TRY(readBuffer->getRenderTarget(context, 0, &readRenderTarget));
+        ASSERT(readRenderTarget);
+
+        const auto &colorAttachments = mState.getColorAttachments();
+        const auto &drawBufferStates = mState.getDrawBufferStates();
+        UINT readLayer               = GetAttachmentLayer(readBuffer);
+
+        for (size_t colorAttachment = 0; colorAttachment < colorAttachments.size();
+             colorAttachment++)
+        {
+            const gl::FramebufferAttachment &drawBuffer = colorAttachments[colorAttachment];
+
+            if (drawBuffer.isAttached() && drawBufferStates[colorAttachment] != GL_NONE)
+            {
+                RenderTargetD3D *drawRenderTarget = nullptr;
+                ANGLE_TRY(drawBuffer.getRenderTarget(
+                    context, drawBuffer.getRenderToTextureSamples(), &drawRenderTarget));
+                ASSERT(drawRenderTarget);
+
+                const bool invertColorSource   = UsePresentPathFast(mRenderer, readBuffer);
+                gl::Rectangle actualSourceArea = sourceArea;
+                if (invertColorSource)
+                {
+                    RenderTarget11 *readRenderTarget11 = GetAs<RenderTarget11>(readRenderTarget);
+                    actualSourceArea.y      = readRenderTarget11->getHeight() - sourceArea.y;
+                    actualSourceArea.height = -sourceArea.height;
+                }
+
+                const bool invertColorDest   = UsePresentPathFast(mRenderer, &drawBuffer);
+                gl::Rectangle actualDestArea = destArea;
+                UINT drawLayer               = GetAttachmentLayer(&drawBuffer);
+
+                const auto &surfaceTextureOffset = mState.getSurfaceTextureOffset();
+                actualDestArea.x                 = actualDestArea.x + surfaceTextureOffset.x;
+                actualDestArea.y                 = actualDestArea.y + surfaceTextureOffset.y;
+
+                if (invertColorDest)
+                {
+                    RenderTarget11 *drawRenderTarget11 = GetAs<RenderTarget11>(drawRenderTarget);
+                    actualDestArea.y      = drawRenderTarget11->getHeight() - destArea.y;
+                    actualDestArea.height = -destArea.height;
+                }
+
+                ANGLE_TRY(mRenderer->blitRenderbufferRect(context, actualSourceArea, actualDestArea,
+                                                          readLayer, drawLayer, readRenderTarget,
+                                                          drawRenderTarget, filter, scissor,
+                                                          blitRenderTarget, false, false));
+            }
+        }
+    }
+
+    if (blitDepth || blitStencil)
+    {
+        const gl::FramebufferAttachment *readBuffer =
+            sourceFramebuffer->getDepthOrStencilAttachment();
+        ASSERT(readBuffer);
+        RenderTargetD3D *readRenderTarget = nullptr;
+        ANGLE_TRY(readBuffer->getRenderTarget(context, 0, &readRenderTarget));
+        ASSERT(readRenderTarget);
+
+        const bool invertSource        = UsePresentPathFast(mRenderer, readBuffer);
+        gl::Rectangle actualSourceArea = sourceArea;
+        if (invertSource)
+        {
+            RenderTarget11 *readRenderTarget11 = GetAs<RenderTarget11>(readRenderTarget);
+            actualSourceArea.y                 = readRenderTarget11->getHeight() - sourceArea.y;
+            actualSourceArea.height            = -sourceArea.height;
+        }
+
+        const gl::FramebufferAttachment *drawBuffer = mState.getDepthOrStencilAttachment();
+        ASSERT(drawBuffer);
+        RenderTargetD3D *drawRenderTarget = nullptr;
+        ANGLE_TRY(drawBuffer->getRenderTarget(context, drawBuffer->getRenderToTextureSamples(),
+                                              &drawRenderTarget));
+        ASSERT(drawRenderTarget);
+
+        bool invertDest              = UsePresentPathFast(mRenderer, drawBuffer);
+        gl::Rectangle actualDestArea = destArea;
+        if (invertDest)
+        {
+            RenderTarget11 *drawRenderTarget11 = GetAs<RenderTarget11>(drawRenderTarget);
+            actualDestArea.y                   = drawRenderTarget11->getHeight() - destArea.y;
+            actualDestArea.height              = -destArea.height;
+        }
+
+        ANGLE_TRY(mRenderer->blitRenderbufferRect(context, actualSourceArea, actualDestArea, 0, 0,
+                                                  readRenderTarget, drawRenderTarget, filter,
+                                                  scissor, false, blitDepth, blitStencil));
+    }
+
+    ANGLE_TRY(markAttachmentsDirty(context));
+    return angle::Result::Continue;
+}
+
+const gl::InternalFormat &Framebuffer11::getImplementationColorReadFormat(
+    const gl::Context *context) const
+{
+    Context11 *context11             = GetImplAs<Context11>(context);
+    const Renderer11DeviceCaps &caps = context11->getRenderer()->getRenderer11DeviceCaps();
+    GLenum sizedFormat = mState.getReadAttachment()->getFormat().info->sizedInternalFormat;
+    const angle::Format &angleFormat = d3d11::Format::Get(sizedFormat, caps).format();
+    return gl::GetSizedInternalFormatInfo(angleFormat.fboImplementationInternalFormat);
+}
+
+angle::Result Framebuffer11::syncState(const gl::Context *context,
+                                       GLenum binding,
+                                       const gl::Framebuffer::DirtyBits &dirtyBits,
+                                       gl::Command command)
+{
+    ANGLE_TRY(mRenderTargetCache.update(context, mState, dirtyBits));
+    ANGLE_TRY(FramebufferD3D::syncState(context, binding, dirtyBits, command));
+
+    // Call this last to allow the state manager to take advantage of the cached render targets.
+    mRenderer->getStateManager()->invalidateRenderTarget();
+
+    // Call this to syncViewport for framebuffer default parameters.
+    if (mState.getDefaultWidth() != 0 || mState.getDefaultHeight() != 0)
+    {
+        mRenderer->getStateManager()->invalidateViewport(context);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer11::getSamplePosition(const gl::Context *context,
+                                               size_t index,
+                                               GLfloat *xy) const
+{
+    const gl::FramebufferAttachment *attachment = mState.getFirstNonNullAttachment();
+    ASSERT(attachment);
+    GLsizei sampleCount = attachment->getSamples();
+
+    rx::GetSamplePosition(sampleCount, index, xy);
+    return angle::Result::Continue;
+}
+
+RenderTarget11 *Framebuffer11::getFirstRenderTarget() const
+{
+    for (auto *renderTarget : mRenderTargetCache.getColors())
+    {
+        if (renderTarget)
+        {
+            return renderTarget;
+        }
+    }
+
+    return mRenderTargetCache.getDepthStencil();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.h
new file mode 100644
index 0000000000..34cfdbd30e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.h
@@ -0,0 +1,100 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Framebuffer11.h: Defines the Framebuffer11 class.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
+
+#include "libANGLE/Observer.h"
+#include "libANGLE/renderer/RenderTargetCache.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+class Renderer11;
+
+class Framebuffer11 : public FramebufferD3D
+{
+  public:
+    Framebuffer11(const gl::FramebufferState &data, Renderer11 *renderer);
+    ~Framebuffer11() override;
+
+    angle::Result discard(const gl::Context *context,
+                          size_t count,
+                          const GLenum *attachments) override;
+    angle::Result invalidate(const gl::Context *context,
+                             size_t count,
+                             const GLenum *attachments) override;
+    angle::Result invalidateSub(const gl::Context *context,
+                                size_t count,
+                                const GLenum *attachments,
+                                const gl::Rectangle &area) override;
+
+    // Invalidate the cached swizzles of all bound texture attachments.
+    angle::Result markAttachmentsDirty(const gl::Context *context) const;
+
+    angle::Result syncState(const gl::Context *context,
+                            GLenum binding,
+                            const gl::Framebuffer::DirtyBits &dirtyBits,
+                            gl::Command command) override;
+
+    const gl::AttachmentArray<RenderTarget11 *> &getCachedColorRenderTargets() const
+    {
+        return mRenderTargetCache.getColors();
+    }
+    const RenderTarget11 *getCachedDepthStencilRenderTarget() const
+    {
+        return mRenderTargetCache.getDepthStencil();
+    }
+
+    RenderTarget11 *getFirstRenderTarget() const;
+
+    angle::Result getSamplePosition(const gl::Context *context,
+                                    size_t index,
+                                    GLfloat *xy) const override;
+
+    const gl::InternalFormat &getImplementationColorReadFormat(
+        const gl::Context *context) const override;
+
+  private:
+    angle::Result clearImpl(const gl::Context *context,
+                            const ClearParameters &clearParams) override;
+
+    angle::Result readPixelsImpl(const gl::Context *context,
+                                 const gl::Rectangle &area,
+                                 GLenum format,
+                                 GLenum type,
+                                 size_t outputPitch,
+                                 const gl::PixelPackState &pack,
+                                 gl::Buffer *packBuffer,
+                                 uint8_t *pixels) override;
+
+    angle::Result blitImpl(const gl::Context *context,
+                           const gl::Rectangle &sourceArea,
+                           const gl::Rectangle &destArea,
+                           const gl::Rectangle *scissor,
+                           bool blitRenderTarget,
+                           bool blitDepth,
+                           bool blitStencil,
+                           GLenum filter,
+                           const gl::Framebuffer *sourceFramebuffer) override;
+
+    angle::Result invalidateBase(const gl::Context *context,
+                                 size_t count,
+                                 const GLenum *attachments,
+                                 bool useEXTBehavior) const;
+    angle::Result invalidateAttachment(const gl::Context *context,
+                                       const gl::FramebufferAttachment *attachment) const;
+
+    Renderer11 *const mRenderer;
+    RenderTargetCache<RenderTarget11> mRenderTargetCache;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.cpp
new file mode 100644
index 0000000000..2e6558b304
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.cpp
@@ -0,0 +1,676 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image11.h: Implements the rx::Image11 class, which acts as the interface to
+// the actual underlying resources of a Texture
+
+#include "libANGLE/renderer/d3d/d3d11/Image11.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+namespace rx
+{
+
+Image11::Image11(Renderer11 *renderer)
+    : mRenderer(renderer),
+      mDXGIFormat(DXGI_FORMAT_UNKNOWN),
+      mStagingTexture(),
+      mStagingSubresource(0),
+      mRecoverFromStorage(false),
+      mAssociatedStorage(nullptr),
+      mAssociatedImageIndex(),
+      mRecoveredFromStorageCount(0)
+{}
+
+Image11::~Image11()
+{
+    disassociateStorage();
+    releaseStagingTexture();
+}
+
+// static
+angle::Result Image11::GenerateMipmap(const gl::Context *context,
+                                      Image11 *dest,
+                                      Image11 *src,
+                                      const Renderer11DeviceCaps &rendererCaps)
+{
+    ASSERT(src->getDXGIFormat() == dest->getDXGIFormat());
+    ASSERT(src->getWidth() == 1 || src->getWidth() / 2 == dest->getWidth());
+    ASSERT(src->getHeight() == 1 || src->getHeight() / 2 == dest->getHeight());
+
+    D3D11_MAPPED_SUBRESOURCE destMapped;
+    ANGLE_TRY(dest->map(context, D3D11_MAP_WRITE, &destMapped));
+    d3d11::ScopedUnmapper<Image11> destRAII(dest);
+
+    D3D11_MAPPED_SUBRESOURCE srcMapped;
+    ANGLE_TRY(src->map(context, D3D11_MAP_READ, &srcMapped));
+    d3d11::ScopedUnmapper<Image11> srcRAII(src);
+
+    const uint8_t *sourceData = static_cast<const uint8_t *>(srcMapped.pData);
+    uint8_t *destData         = static_cast<uint8_t *>(destMapped.pData);
+
+    auto mipGenerationFunction =
+        d3d11::Format::Get(src->getInternalFormat(), rendererCaps).format().mipGenerationFunction;
+    mipGenerationFunction(src->getWidth(), src->getHeight(), src->getDepth(), sourceData,
+                          srcMapped.RowPitch, srcMapped.DepthPitch, destData, destMapped.RowPitch,
+                          destMapped.DepthPitch);
+
+    dest->markDirty();
+
+    return angle::Result::Continue;
+}
+
+// static
+angle::Result Image11::CopyImage(const gl::Context *context,
+                                 Image11 *dest,
+                                 Image11 *source,
+                                 const gl::Box &sourceBox,
+                                 const gl::Offset &destOffset,
+                                 bool unpackFlipY,
+                                 bool unpackPremultiplyAlpha,
+                                 bool unpackUnmultiplyAlpha,
+                                 const Renderer11DeviceCaps &rendererCaps)
+{
+    D3D11_MAPPED_SUBRESOURCE destMapped;
+    ANGLE_TRY(dest->map(context, D3D11_MAP_WRITE, &destMapped));
+    d3d11::ScopedUnmapper<Image11> destRAII(dest);
+
+    D3D11_MAPPED_SUBRESOURCE srcMapped;
+    ANGLE_TRY(source->map(context, D3D11_MAP_READ, &srcMapped));
+    d3d11::ScopedUnmapper<Image11> sourceRAII(source);
+
+    const auto &sourceFormat =
+        d3d11::Format::Get(source->getInternalFormat(), rendererCaps).format();
+    GLuint sourcePixelBytes =
+        gl::GetSizedInternalFormatInfo(sourceFormat.fboImplementationInternalFormat).pixelBytes;
+
+    GLenum destUnsizedFormat = gl::GetUnsizedFormat(dest->getInternalFormat());
+    const auto &destFormat   = d3d11::Format::Get(dest->getInternalFormat(), rendererCaps).format();
+    const auto &destFormatInfo =
+        gl::GetSizedInternalFormatInfo(destFormat.fboImplementationInternalFormat);
+    GLuint destPixelBytes = destFormatInfo.pixelBytes;
+
+    const uint8_t *sourceData = static_cast<const uint8_t *>(srcMapped.pData) +
+                                sourceBox.x * sourcePixelBytes + sourceBox.y * srcMapped.RowPitch +
+                                sourceBox.z * srcMapped.DepthPitch;
+    uint8_t *destData = static_cast<uint8_t *>(destMapped.pData) + destOffset.x * destPixelBytes +
+                        destOffset.y * destMapped.RowPitch + destOffset.z * destMapped.DepthPitch;
+
+    CopyImageCHROMIUM(sourceData, srcMapped.RowPitch, sourcePixelBytes, srcMapped.DepthPitch,
+                      sourceFormat.pixelReadFunction, destData, destMapped.RowPitch, destPixelBytes,
+                      destMapped.DepthPitch, destFormat.pixelWriteFunction, destUnsizedFormat,
+                      destFormatInfo.componentType, sourceBox.width, sourceBox.height,
+                      sourceBox.depth, unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha);
+
+    dest->markDirty();
+
+    return angle::Result::Continue;
+}
+
+bool Image11::isDirty() const
+{
+    // If mDirty is true AND mStagingTexture doesn't exist AND mStagingTexture doesn't need to be
+    // recovered from TextureStorage AND the texture doesn't require init data (i.e. a blank new
+    // texture will suffice) AND robust resource initialization is not enabled then isDirty should
+    // still return false.
+    if (mDirty && !mStagingTexture.valid() && !mRecoverFromStorage)
+    {
+        const Renderer11DeviceCaps &deviceCaps = mRenderer->getRenderer11DeviceCaps();
+        const auto &formatInfo                 = d3d11::Format::Get(mInternalFormat, deviceCaps);
+        if (formatInfo.dataInitializerFunction == nullptr)
+        {
+            return false;
+        }
+    }
+
+    return mDirty;
+}
+
+angle::Result Image11::copyToStorage(const gl::Context *context,
+                                     TextureStorage *storage,
+                                     const gl::ImageIndex &index,
+                                     const gl::Box &region)
+{
+    TextureStorage11 *storage11 = GetAs<TextureStorage11>(storage);
+
+    // If an app's behavior results in an Image11 copying its data to/from to a TextureStorage
+    // multiple times, then we should just keep the staging texture around to prevent the copying
+    // from impacting perf. We allow the Image11 to copy its data to/from TextureStorage once. This
+    // accounts for an app making a late call to glGenerateMipmap.
+    bool attemptToReleaseStagingTexture = (mRecoveredFromStorageCount < 2);
+
+    if (attemptToReleaseStagingTexture)
+    {
+        // If another image is relying on this Storage for its data, then we must let it recover its
+        // data before we overwrite it.
+        ANGLE_TRY(storage11->releaseAssociatedImage(context, index, this));
+    }
+
+    const TextureHelper11 *stagingTexture = nullptr;
+    unsigned int stagingSubresourceIndex  = 0;
+    ANGLE_TRY(getStagingTexture(context, &stagingTexture, &stagingSubresourceIndex));
+    ANGLE_TRY(storage11->updateSubresourceLevel(context, *stagingTexture, stagingSubresourceIndex,
+                                                index, region));
+
+    // Once the image data has been copied into the Storage, we can release it locally.
+    if (attemptToReleaseStagingTexture)
+    {
+        storage11->associateImage(this, index);
+        releaseStagingTexture();
+        mRecoverFromStorage   = true;
+        mAssociatedStorage    = storage11;
+        mAssociatedImageIndex = index;
+    }
+
+    return angle::Result::Continue;
+}
+
+void Image11::verifyAssociatedStorageValid(TextureStorage11 *textureStorageEXT) const
+{
+    ASSERT(mAssociatedStorage == textureStorageEXT);
+}
+
+angle::Result Image11::recoverFromAssociatedStorage(const gl::Context *context)
+{
+    if (mRecoverFromStorage)
+    {
+        ANGLE_TRY(createStagingTexture(context));
+
+        mAssociatedStorage->verifyAssociatedImageValid(mAssociatedImageIndex, this);
+
+        // CopySubResource from the Storage to the Staging texture
+        gl::Box region(0, 0, 0, mWidth, mHeight, mDepth);
+        ANGLE_TRY(mAssociatedStorage->copySubresourceLevel(
+            context, mStagingTexture, mStagingSubresource, mAssociatedImageIndex, region));
+        mRecoveredFromStorageCount += 1;
+
+        // Reset all the recovery parameters, even if the texture storage association is broken.
+        disassociateStorage();
+
+        markDirty();
+    }
+
+    return angle::Result::Continue;
+}
+
+void Image11::disassociateStorage()
+{
+    if (mRecoverFromStorage)
+    {
+        // Make the texturestorage release the Image11 too
+        mAssociatedStorage->disassociateImage(mAssociatedImageIndex, this);
+
+        mRecoverFromStorage   = false;
+        mAssociatedStorage    = nullptr;
+        mAssociatedImageIndex = gl::ImageIndex();
+    }
+}
+
+bool Image11::redefine(gl::TextureType type,
+                       GLenum internalformat,
+                       const gl::Extents &size,
+                       bool forceRelease)
+{
+    if (mWidth != size.width || mHeight != size.height || mDepth != size.depth ||
+        mInternalFormat != internalformat || forceRelease)
+    {
+        // End the association with the TextureStorage, since that data will be out of date.
+        // Also reset mRecoveredFromStorageCount since this Image is getting completely redefined.
+        disassociateStorage();
+        mRecoveredFromStorageCount = 0;
+
+        mWidth          = size.width;
+        mHeight         = size.height;
+        mDepth          = size.depth;
+        mInternalFormat = internalformat;
+        mType           = type;
+
+        // compute the d3d format that will be used
+        const d3d11::Format &formatInfo =
+            d3d11::Format::Get(internalformat, mRenderer->getRenderer11DeviceCaps());
+        mDXGIFormat = formatInfo.texFormat;
+        mRenderable = (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN);
+
+        releaseStagingTexture();
+        mDirty = (formatInfo.dataInitializerFunction != nullptr);
+
+        return true;
+    }
+
+    return false;
+}
+
+DXGI_FORMAT Image11::getDXGIFormat() const
+{
+    // this should only happen if the image hasn't been redefined first
+    // which would be a bug by the caller
+    ASSERT(mDXGIFormat != DXGI_FORMAT_UNKNOWN);
+
+    return mDXGIFormat;
+}
+
+// Store the pixel rectangle designated by xoffset,yoffset,width,height with pixels stored as
+// format/type at input
+// into the target pixel rectangle.
+angle::Result Image11::loadData(const gl::Context *context,
+                                const gl::Box &area,
+                                const gl::PixelUnpackState &unpack,
+                                GLenum type,
+                                const void *input,
+                                bool applySkipImages)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(mInternalFormat);
+    GLuint inputRowPitch                 = 0;
+    ANGLE_CHECK_GL_MATH(context11, formatInfo.computeRowPitch(type, area.width, unpack.alignment,
+                                                              unpack.rowLength, &inputRowPitch));
+    GLuint inputDepthPitch = 0;
+    ANGLE_CHECK_GL_MATH(context11, formatInfo.computeDepthPitch(area.height, unpack.imageHeight,
+                                                                inputRowPitch, &inputDepthPitch));
+    GLuint inputSkipBytes = 0;
+    ANGLE_CHECK_GL_MATH(context11,
+                        formatInfo.computeSkipBytes(type, inputRowPitch, inputDepthPitch, unpack,
+                                                    applySkipImages, &inputSkipBytes));
+
+    const d3d11::DXGIFormatSize &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(mDXGIFormat);
+    GLuint outputPixelSize                      = dxgiFormatInfo.pixelBytes;
+
+    const d3d11::Format &d3dFormatInfo =
+        d3d11::Format::Get(mInternalFormat, mRenderer->getRenderer11DeviceCaps());
+    LoadImageFunction loadFunction = d3dFormatInfo.getLoadFunctions()(type).loadFunction;
+
+    D3D11_MAPPED_SUBRESOURCE mappedImage;
+    ANGLE_TRY(map(context, D3D11_MAP_WRITE, &mappedImage));
+
+    uint8_t *offsetMappedData = (static_cast<uint8_t *>(mappedImage.pData) +
+                                 (area.y * mappedImage.RowPitch + area.x * outputPixelSize +
+                                  area.z * mappedImage.DepthPitch));
+    loadFunction(area.width, area.height, area.depth,
+                 static_cast<const uint8_t *>(input) + inputSkipBytes, inputRowPitch,
+                 inputDepthPitch, offsetMappedData, mappedImage.RowPitch, mappedImage.DepthPitch);
+
+    unmap();
+
+    return angle::Result::Continue;
+}
+
+angle::Result Image11::loadCompressedData(const gl::Context *context,
+                                          const gl::Box &area,
+                                          const void *input)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(mInternalFormat);
+    GLuint inputRowPitch                 = 0;
+    ANGLE_CHECK_GL_MATH(
+        context11, formatInfo.computeRowPitch(GL_UNSIGNED_BYTE, area.width, 1, 0, &inputRowPitch));
+    GLuint inputDepthPitch = 0;
+    ANGLE_CHECK_GL_MATH(
+        context11, formatInfo.computeDepthPitch(area.height, 0, inputRowPitch, &inputDepthPitch));
+
+    const d3d11::DXGIFormatSize &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(mDXGIFormat);
+    GLuint outputPixelSize                      = dxgiFormatInfo.pixelBytes;
+    GLuint outputBlockWidth                     = dxgiFormatInfo.blockWidth;
+    GLuint outputBlockHeight                    = dxgiFormatInfo.blockHeight;
+
+    ASSERT(area.x % outputBlockWidth == 0);
+    ASSERT(area.y % outputBlockHeight == 0);
+
+    const d3d11::Format &d3dFormatInfo =
+        d3d11::Format::Get(mInternalFormat, mRenderer->getRenderer11DeviceCaps());
+    LoadImageFunction loadFunction =
+        d3dFormatInfo.getLoadFunctions()(GL_UNSIGNED_BYTE).loadFunction;
+
+    D3D11_MAPPED_SUBRESOURCE mappedImage;
+    ANGLE_TRY(map(context, D3D11_MAP_WRITE, &mappedImage));
+
+    uint8_t *offsetMappedData =
+        static_cast<uint8_t *>(mappedImage.pData) +
+        ((area.y / outputBlockHeight) * mappedImage.RowPitch +
+         (area.x / outputBlockWidth) * outputPixelSize + area.z * mappedImage.DepthPitch);
+
+    loadFunction(area.width, area.height, area.depth, static_cast<const uint8_t *>(input),
+                 inputRowPitch, inputDepthPitch, offsetMappedData, mappedImage.RowPitch,
+                 mappedImage.DepthPitch);
+
+    unmap();
+
+    return angle::Result::Continue;
+}
+
+angle::Result Image11::copyFromTexStorage(const gl::Context *context,
+                                          const gl::ImageIndex &imageIndex,
+                                          TextureStorage *source)
+{
+    TextureStorage11 *storage11 = GetAs<TextureStorage11>(source);
+
+    const TextureHelper11 *textureHelper = nullptr;
+    ANGLE_TRY(storage11->getResource(context, &textureHelper));
+
+    UINT subresourceIndex = 0;
+    ANGLE_TRY(storage11->getSubresourceIndex(context, imageIndex, &subresourceIndex));
+
+    gl::Box sourceBox(0, 0, 0, mWidth, mHeight, mDepth);
+    return copyWithoutConversion(context, gl::Offset(), sourceBox, *textureHelper,
+                                 subresourceIndex);
+}
+
+angle::Result Image11::copyFromFramebuffer(const gl::Context *context,
+                                           const gl::Offset &destOffset,
+                                           const gl::Rectangle &sourceArea,
+                                           const gl::Framebuffer *sourceFBO)
+{
+    const gl::FramebufferAttachment *srcAttachment = sourceFBO->getReadColorAttachment();
+    ASSERT(srcAttachment);
+
+    GLenum sourceInternalFormat = srcAttachment->getFormat().info->sizedInternalFormat;
+    const auto &d3d11Format =
+        d3d11::Format::Get(sourceInternalFormat, mRenderer->getRenderer11DeviceCaps());
+
+    if (d3d11Format.texFormat == mDXGIFormat && sourceInternalFormat == mInternalFormat)
+    {
+        RenderTarget11 *rt11 = nullptr;
+        ANGLE_TRY(srcAttachment->getRenderTarget(context, 0, &rt11));
+        ASSERT(rt11->getTexture().get());
+
+        TextureHelper11 textureHelper  = rt11->getTexture();
+        unsigned int sourceSubResource = rt11->getSubresourceIndex();
+
+        gl::Box sourceBox(sourceArea.x, sourceArea.y, 0, sourceArea.width, sourceArea.height, 1);
+        return copyWithoutConversion(context, destOffset, sourceBox, textureHelper,
+                                     sourceSubResource);
+    }
+
+    // This format requires conversion, so we must copy the texture to staging and manually convert
+    // via readPixels
+    D3D11_MAPPED_SUBRESOURCE mappedImage;
+    ANGLE_TRY(map(context, D3D11_MAP_WRITE, &mappedImage));
+
+    // determine the offset coordinate into the destination buffer
+    const auto &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(mDXGIFormat);
+    GLsizei rowOffset          = dxgiFormatInfo.pixelBytes * destOffset.x;
+
+    uint8_t *dataOffset = static_cast<uint8_t *>(mappedImage.pData) +
+                          mappedImage.RowPitch * destOffset.y + rowOffset +
+                          destOffset.z * mappedImage.DepthPitch;
+
+    const gl::InternalFormat &destFormatInfo = gl::GetSizedInternalFormatInfo(mInternalFormat);
+    const auto &destD3D11Format =
+        d3d11::Format::Get(mInternalFormat, mRenderer->getRenderer11DeviceCaps());
+
+    auto loadFunction    = destD3D11Format.getLoadFunctions()(destFormatInfo.type);
+    angle::Result result = angle::Result::Continue;
+    if (loadFunction.requiresConversion)
+    {
+        size_t bufferSize = destFormatInfo.pixelBytes * sourceArea.width * sourceArea.height;
+        angle::MemoryBuffer *memoryBuffer = nullptr;
+        result = mRenderer->getScratchMemoryBuffer(GetImplAs<Context11>(context), bufferSize,
+                                                   &memoryBuffer);
+
+        if (result == angle::Result::Continue)
+        {
+            GLuint memoryBufferRowPitch = destFormatInfo.pixelBytes * sourceArea.width;
+
+            result = mRenderer->readFromAttachment(
+                context, *srcAttachment, sourceArea, destFormatInfo.format, destFormatInfo.type,
+                memoryBufferRowPitch, gl::PixelPackState(), memoryBuffer->data());
+
+            loadFunction.loadFunction(sourceArea.width, sourceArea.height, 1, memoryBuffer->data(),
+                                      memoryBufferRowPitch, 0, dataOffset, mappedImage.RowPitch,
+                                      mappedImage.DepthPitch);
+        }
+    }
+    else
+    {
+        result = mRenderer->readFromAttachment(
+            context, *srcAttachment, sourceArea, destFormatInfo.format, destFormatInfo.type,
+            mappedImage.RowPitch, gl::PixelPackState(), dataOffset);
+    }
+
+    unmap();
+    mDirty = true;
+
+    return result;
+}
+
+angle::Result Image11::copyWithoutConversion(const gl::Context *context,
+                                             const gl::Offset &destOffset,
+                                             const gl::Box &sourceArea,
+                                             const TextureHelper11 &textureHelper,
+                                             UINT sourceSubResource)
+{
+    // No conversion needed-- use copyback fastpath
+    const TextureHelper11 *stagingTexture = nullptr;
+    unsigned int stagingSubresourceIndex  = 0;
+    ANGLE_TRY(getStagingTexture(context, &stagingTexture, &stagingSubresourceIndex));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    const gl::Extents &extents = textureHelper.getExtents();
+
+    D3D11_BOX srcBox;
+    srcBox.left   = sourceArea.x;
+    srcBox.right  = sourceArea.x + sourceArea.width;
+    srcBox.top    = sourceArea.y;
+    srcBox.bottom = sourceArea.y + sourceArea.height;
+    srcBox.front  = sourceArea.z;
+    srcBox.back   = sourceArea.z + sourceArea.depth;
+
+    if (textureHelper.is2D() && textureHelper.getSampleCount() > 1)
+    {
+        D3D11_TEXTURE2D_DESC resolveDesc;
+        resolveDesc.Width              = extents.width;
+        resolveDesc.Height             = extents.height;
+        resolveDesc.MipLevels          = 1;
+        resolveDesc.ArraySize          = 1;
+        resolveDesc.Format             = textureHelper.getFormat();
+        resolveDesc.SampleDesc.Count   = 1;
+        resolveDesc.SampleDesc.Quality = 0;
+        resolveDesc.Usage              = D3D11_USAGE_DEFAULT;
+        resolveDesc.BindFlags          = 0;
+        resolveDesc.CPUAccessFlags     = 0;
+        resolveDesc.MiscFlags          = 0;
+
+        d3d11::Texture2D resolveTex;
+        ANGLE_TRY(
+            mRenderer->allocateResource(GetImplAs<Context11>(context), resolveDesc, &resolveTex));
+
+        deviceContext->ResolveSubresource(resolveTex.get(), 0, textureHelper.get(),
+                                          sourceSubResource, textureHelper.getFormat());
+
+        deviceContext->CopySubresourceRegion(stagingTexture->get(), stagingSubresourceIndex,
+                                             destOffset.x, destOffset.y, destOffset.z,
+                                             resolveTex.get(), 0, &srcBox);
+    }
+    else
+    {
+        deviceContext->CopySubresourceRegion(stagingTexture->get(), stagingSubresourceIndex,
+                                             destOffset.x, destOffset.y, destOffset.z,
+                                             textureHelper.get(), sourceSubResource, &srcBox);
+    }
+
+    mDirty = true;
+    return angle::Result::Continue;
+}
+
+angle::Result Image11::getStagingTexture(const gl::Context *context,
+                                         const TextureHelper11 **outStagingTexture,
+                                         unsigned int *outSubresourceIndex)
+{
+    ANGLE_TRY(createStagingTexture(context));
+
+    *outStagingTexture   = &mStagingTexture;
+    *outSubresourceIndex = mStagingSubresource;
+    return angle::Result::Continue;
+}
+
+void Image11::releaseStagingTexture()
+{
+    mStagingTexture.reset();
+    mStagingTextureSubresourceVerifier.reset();
+}
+
+angle::Result Image11::createStagingTexture(const gl::Context *context)
+{
+    if (mStagingTexture.valid())
+    {
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mWidth > 0 && mHeight > 0 && mDepth > 0);
+
+    const DXGI_FORMAT dxgiFormat = getDXGIFormat();
+    const auto &formatInfo =
+        d3d11::Format::Get(mInternalFormat, mRenderer->getRenderer11DeviceCaps());
+
+    int lodOffset  = 1;
+    GLsizei width  = mWidth;
+    GLsizei height = mHeight;
+
+    // adjust size if needed for compressed textures
+    d3d11::MakeValidSize(false, dxgiFormat, &width, &height, &lodOffset);
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    switch (mType)
+    {
+        case gl::TextureType::_3D:
+        {
+            D3D11_TEXTURE3D_DESC desc;
+            desc.Width          = width;
+            desc.Height         = height;
+            desc.Depth          = mDepth;
+            desc.MipLevels      = lodOffset + 1;
+            desc.Format         = dxgiFormat;
+            desc.Usage          = D3D11_USAGE_STAGING;
+            desc.BindFlags      = 0;
+            desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
+            desc.MiscFlags      = 0;
+
+            if (formatInfo.dataInitializerFunction != nullptr)
+            {
+                gl::TexLevelArray<D3D11_SUBRESOURCE_DATA> initialData;
+                ANGLE_TRY(d3d11::GenerateInitialTextureData(
+                    context, mInternalFormat, mRenderer->getRenderer11DeviceCaps(), width, height,
+                    mDepth, lodOffset + 1, &initialData));
+
+                ANGLE_TRY(mRenderer->allocateTexture(context11, desc, formatInfo,
+                                                     initialData.data(), &mStagingTexture));
+            }
+            else
+            {
+                ANGLE_TRY(
+                    mRenderer->allocateTexture(context11, desc, formatInfo, &mStagingTexture));
+            }
+
+            mStagingTexture.setInternalName("Image11::StagingTexture3D");
+            mStagingSubresource = D3D11CalcSubresource(lodOffset, 0, lodOffset + 1);
+            mStagingTextureSubresourceVerifier.setDesc(desc);
+        }
+        break;
+
+        case gl::TextureType::_2D:
+        case gl::TextureType::_2DArray:
+        case gl::TextureType::CubeMap:
+        {
+            D3D11_TEXTURE2D_DESC desc;
+            desc.Width              = width;
+            desc.Height             = height;
+            desc.MipLevels          = lodOffset + 1;
+            desc.ArraySize          = 1;
+            desc.Format             = dxgiFormat;
+            desc.SampleDesc.Count   = 1;
+            desc.SampleDesc.Quality = 0;
+            desc.Usage              = D3D11_USAGE_STAGING;
+            desc.BindFlags          = 0;
+            desc.CPUAccessFlags     = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
+            desc.MiscFlags          = 0;
+
+            if (formatInfo.dataInitializerFunction != nullptr)
+            {
+                gl::TexLevelArray<D3D11_SUBRESOURCE_DATA> initialData;
+                ANGLE_TRY(d3d11::GenerateInitialTextureData(
+                    context, mInternalFormat, mRenderer->getRenderer11DeviceCaps(), width, height,
+                    1, lodOffset + 1, &initialData));
+
+                ANGLE_TRY(mRenderer->allocateTexture(context11, desc, formatInfo,
+                                                     initialData.data(), &mStagingTexture));
+            }
+            else
+            {
+                ANGLE_TRY(
+                    mRenderer->allocateTexture(context11, desc, formatInfo, &mStagingTexture));
+            }
+
+            mStagingTexture.setInternalName("Image11::StagingTexture2D");
+            mStagingSubresource = D3D11CalcSubresource(lodOffset, 0, lodOffset + 1);
+            mStagingTextureSubresourceVerifier.setDesc(desc);
+        }
+        break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    mDirty = false;
+    return angle::Result::Continue;
+}
+
+angle::Result Image11::map(const gl::Context *context,
+                           D3D11_MAP mapType,
+                           D3D11_MAPPED_SUBRESOURCE *map)
+{
+    // We must recover from the TextureStorage if necessary, even for D3D11_MAP_WRITE.
+    ANGLE_TRY(recoverFromAssociatedStorage(context));
+
+    const TextureHelper11 *stagingTexture = nullptr;
+    unsigned int subresourceIndex         = 0;
+    ANGLE_TRY(getStagingTexture(context, &stagingTexture, &subresourceIndex));
+
+    ASSERT(stagingTexture && stagingTexture->valid());
+
+    ANGLE_TRY(
+        mRenderer->mapResource(context, stagingTexture->get(), subresourceIndex, mapType, 0, map));
+
+    if (!mStagingTextureSubresourceVerifier.wrap(mapType, map))
+    {
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        deviceContext->Unmap(mStagingTexture.get(), mStagingSubresource);
+        Context11 *context11 = GetImplAs<Context11>(context);
+        context11->handleError(GL_OUT_OF_MEMORY,
+                               "Failed to allocate staging texture mapping verifier buffer.",
+                               __FILE__, ANGLE_FUNCTION, __LINE__);
+        return angle::Result::Stop;
+    }
+
+    mDirty = true;
+
+    return angle::Result::Continue;
+}
+
+void Image11::unmap()
+{
+    if (mStagingTexture.valid())
+    {
+        mStagingTextureSubresourceVerifier.unwrap();
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        deviceContext->Unmap(mStagingTexture.get(), mStagingSubresource);
+    }
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.h
new file mode 100644
index 0000000000..661365240c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.h
@@ -0,0 +1,128 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image11.h: Defines the rx::Image11 class, which acts as the interface to
+// the actual underlying resources of a Texture
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
+
+#include "common/debug.h"
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/renderer/d3d/ImageD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace gl
+{
+class Framebuffer;
+}
+
+namespace d3d11
+{
+template <typename T>
+class ScopedUnmapper;
+}  // namespace d3d11
+
+namespace rx
+{
+class Renderer11;
+class TextureHelper11;
+class TextureStorage11;
+struct Renderer11DeviceCaps;
+
+class Image11 : public ImageD3D
+{
+  public:
+    Image11(Renderer11 *renderer);
+    ~Image11() override;
+
+    static angle::Result GenerateMipmap(const gl::Context *context,
+                                        Image11 *dest,
+                                        Image11 *src,
+                                        const Renderer11DeviceCaps &rendererCaps);
+    static angle::Result CopyImage(const gl::Context *context,
+                                   Image11 *dest,
+                                   Image11 *source,
+                                   const gl::Box &sourceBox,
+                                   const gl::Offset &destOffset,
+                                   bool unpackFlipY,
+                                   bool unpackPremultiplyAlpha,
+                                   bool unpackUnmultiplyAlpha,
+                                   const Renderer11DeviceCaps &rendererCaps);
+
+    bool isDirty() const override;
+
+    angle::Result copyToStorage(const gl::Context *context,
+                                TextureStorage *storage,
+                                const gl::ImageIndex &index,
+                                const gl::Box &region) override;
+
+    bool redefine(gl::TextureType type,
+                  GLenum internalformat,
+                  const gl::Extents &size,
+                  bool forceRelease) override;
+
+    DXGI_FORMAT getDXGIFormat() const;
+
+    angle::Result loadData(const gl::Context *context,
+                           const gl::Box &area,
+                           const gl::PixelUnpackState &unpack,
+                           GLenum type,
+                           const void *input,
+                           bool applySkipImages) override;
+    angle::Result loadCompressedData(const gl::Context *context,
+                                     const gl::Box &area,
+                                     const void *input) override;
+
+    angle::Result copyFromTexStorage(const gl::Context *context,
+                                     const gl::ImageIndex &imageIndex,
+                                     TextureStorage *source) override;
+    angle::Result copyFromFramebuffer(const gl::Context *context,
+                                      const gl::Offset &destOffset,
+                                      const gl::Rectangle &sourceArea,
+                                      const gl::Framebuffer *source) override;
+
+    angle::Result recoverFromAssociatedStorage(const gl::Context *context);
+    void verifyAssociatedStorageValid(TextureStorage11 *textureStorageEXT) const;
+    void disassociateStorage();
+
+    angle::Result getStagingTexture(const gl::Context *context,
+                                    const TextureHelper11 **outStagingTexture,
+                                    unsigned int *outSubresourceIndex);
+
+  protected:
+    template <typename T>
+    friend class d3d11::ScopedUnmapper;
+    angle::Result map(const gl::Context *context, D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
+    void unmap();
+
+  private:
+    angle::Result copyWithoutConversion(const gl::Context *context,
+                                        const gl::Offset &destOffset,
+                                        const gl::Box &sourceArea,
+                                        const TextureHelper11 &textureHelper,
+                                        UINT sourceSubResource);
+
+    angle::Result createStagingTexture(const gl::Context *context);
+    void releaseStagingTexture();
+
+    Renderer11 *mRenderer;
+
+    DXGI_FORMAT mDXGIFormat;
+    TextureHelper11 mStagingTexture;
+    unsigned int mStagingSubresource;
+    MappedSubresourceVerifier11 mStagingTextureSubresourceVerifier;
+
+    bool mRecoverFromStorage;
+    TextureStorage11 *mAssociatedStorage;
+    gl::ImageIndex mAssociatedImageIndex;
+    unsigned int mRecoveredFromStorageCount;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.cpp
new file mode 100644
index 0000000000..7630b341fa
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.cpp
@@ -0,0 +1,160 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexBuffer11.cpp: Defines the D3D11 IndexBuffer implementation.
+
+#include "libANGLE/renderer/d3d/d3d11/IndexBuffer11.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+
+IndexBuffer11::IndexBuffer11(Renderer11 *const renderer)
+    : mRenderer(renderer),
+      mBuffer(),
+      mBufferSize(0),
+      mIndexType(gl::DrawElementsType::InvalidEnum),
+      mDynamicUsage(false)
+{}
+
+IndexBuffer11::~IndexBuffer11() {}
+
+angle::Result IndexBuffer11::initialize(const gl::Context *context,
+                                        unsigned int bufferSize,
+                                        gl::DrawElementsType indexType,
+                                        bool dynamic)
+{
+    mBuffer.reset();
+
+    updateSerial();
+
+    if (bufferSize > 0)
+    {
+        D3D11_BUFFER_DESC bufferDesc;
+        bufferDesc.ByteWidth           = bufferSize;
+        bufferDesc.Usage               = D3D11_USAGE_DYNAMIC;
+        bufferDesc.BindFlags           = D3D11_BIND_INDEX_BUFFER;
+        bufferDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+        bufferDesc.MiscFlags           = 0;
+        bufferDesc.StructureByteStride = 0;
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferDesc, &mBuffer));
+
+        if (dynamic)
+        {
+            mBuffer.setInternalName("IndexBuffer11(dynamic)");
+        }
+        else
+        {
+            mBuffer.setInternalName("IndexBuffer11(static)");
+        }
+    }
+
+    mBufferSize   = bufferSize;
+    mIndexType    = indexType;
+    mDynamicUsage = dynamic;
+
+    return angle::Result::Continue;
+}
+
+angle::Result IndexBuffer11::mapBuffer(const gl::Context *context,
+                                       unsigned int offset,
+                                       unsigned int size,
+                                       void **outMappedMemory)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+    ANGLE_CHECK_HR(context11, mBuffer.valid(), "Internal index buffer is not initialized.",
+                   E_OUTOFMEMORY);
+
+    // Check for integer overflows and out-out-bounds map requests
+    bool outOfBounds = (offset + size < offset || offset + size > mBufferSize);
+    ANGLE_CHECK_HR(context11, !outOfBounds, "Index buffer map range is not inside the buffer.",
+                   E_OUTOFMEMORY);
+
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    ANGLE_TRY(mRenderer->mapResource(context, mBuffer.get(), 0, D3D11_MAP_WRITE_NO_OVERWRITE, 0,
+                                     &mappedResource));
+
+    *outMappedMemory = static_cast<char *>(mappedResource.pData) + offset;
+    return angle::Result::Continue;
+}
+
+angle::Result IndexBuffer11::unmapBuffer(const gl::Context *context)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+    ANGLE_CHECK_HR(context11, mBuffer.valid(), "Internal index buffer is not initialized.",
+                   E_OUTOFMEMORY);
+
+    ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext();
+    dxContext->Unmap(mBuffer.get(), 0);
+    return angle::Result::Continue;
+}
+
+gl::DrawElementsType IndexBuffer11::getIndexType() const
+{
+    return mIndexType;
+}
+
+unsigned int IndexBuffer11::getBufferSize() const
+{
+    return mBufferSize;
+}
+
+angle::Result IndexBuffer11::setSize(const gl::Context *context,
+                                     unsigned int bufferSize,
+                                     gl::DrawElementsType indexType)
+{
+    if (bufferSize > mBufferSize || indexType != mIndexType)
+    {
+        return initialize(context, bufferSize, indexType, mDynamicUsage);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result IndexBuffer11::discard(const gl::Context *context)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+    ANGLE_CHECK_HR(context11, mBuffer.valid(), "Internal index buffer is not initialized.",
+                   E_OUTOFMEMORY);
+
+    ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext();
+
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    ANGLE_TRY(mRenderer->mapResource(context, mBuffer.get(), 0, D3D11_MAP_WRITE_DISCARD, 0,
+                                     &mappedResource));
+
+    dxContext->Unmap(mBuffer.get(), 0);
+
+    return angle::Result::Continue;
+}
+
+DXGI_FORMAT IndexBuffer11::getIndexFormat() const
+{
+    switch (mIndexType)
+    {
+        case gl::DrawElementsType::UnsignedByte:
+            return DXGI_FORMAT_R16_UINT;
+        case gl::DrawElementsType::UnsignedShort:
+            return DXGI_FORMAT_R16_UINT;
+        case gl::DrawElementsType::UnsignedInt:
+            return DXGI_FORMAT_R32_UINT;
+        default:
+            UNREACHABLE();
+            return DXGI_FORMAT_UNKNOWN;
+    }
+}
+
+const d3d11::Buffer &IndexBuffer11::getBuffer() const
+{
+    return mBuffer;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.h
new file mode 100644
index 0000000000..53c736cf7a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.h
@@ -0,0 +1,58 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// IndexBuffer11.h: Defines the D3D11 IndexBuffer implementation.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
+
+#include "libANGLE/renderer/d3d/IndexBuffer.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace rx
+{
+class Renderer11;
+
+class IndexBuffer11 : public IndexBuffer
+{
+  public:
+    explicit IndexBuffer11(Renderer11 *const renderer);
+    ~IndexBuffer11() override;
+
+    angle::Result initialize(const gl::Context *context,
+                             unsigned int bufferSize,
+                             gl::DrawElementsType indexType,
+                             bool dynamic) override;
+
+    angle::Result mapBuffer(const gl::Context *context,
+                            unsigned int offset,
+                            unsigned int size,
+                            void **outMappedMemory) override;
+    angle::Result unmapBuffer(const gl::Context *context) override;
+
+    gl::DrawElementsType getIndexType() const override;
+    unsigned int getBufferSize() const override;
+    angle::Result setSize(const gl::Context *context,
+                          unsigned int bufferSize,
+                          gl::DrawElementsType indexType) override;
+
+    angle::Result discard(const gl::Context *context) override;
+
+    DXGI_FORMAT getIndexFormat() const;
+    const d3d11::Buffer &getBuffer() const;
+
+  private:
+    Renderer11 *const mRenderer;
+
+    d3d11::Buffer mBuffer;
+    unsigned int mBufferSize;
+    gl::DrawElementsType mIndexType;
+    bool mDynamicUsage;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp
new file mode 100644
index 0000000000..b5e12499b2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp
@@ -0,0 +1,313 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// InputLayoutCache.cpp: Defines InputLayoutCache, a class that builds and caches
+// D3D11 input layouts.
+
+#include "libANGLE/renderer/d3d/d3d11/InputLayoutCache.h"
+
+#include "common/bitset_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h"
+#include "libANGLE/renderer/d3d/d3d11/VertexArray11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+
+namespace rx
+{
+
+namespace
+{
+
+GLenum GetGLSLAttributeType(const std::vector<sh::ShaderVariable> &shaderAttributes, size_t index)
+{
+    // Count matrices differently
+    for (const sh::ShaderVariable &attrib : shaderAttributes)
+    {
+        if (attrib.location == -1)
+        {
+            continue;
+        }
+
+        GLenum transposedType = gl::TransposeMatrixType(attrib.type);
+        int rows              = gl::VariableRowCount(transposedType);
+        int intIndex          = static_cast<int>(index);
+
+        if (intIndex >= attrib.location && intIndex < attrib.location + rows)
+        {
+            return transposedType;
+        }
+    }
+
+    UNREACHABLE();
+    return GL_NONE;
+}
+
+struct PackedAttribute
+{
+    uint8_t attribType;
+    uint8_t semanticIndex;
+    uint8_t vertexFormatType;
+    uint8_t unusedPadding;
+    uint32_t divisor;
+};
+
+}  // anonymous namespace
+
+PackedAttributeLayout::PackedAttributeLayout() : numAttributes(0), flags(0), attributeData({}) {}
+
+PackedAttributeLayout::PackedAttributeLayout(const PackedAttributeLayout &other) = default;
+
+void PackedAttributeLayout::addAttributeData(GLenum glType,
+                                             UINT semanticIndex,
+                                             angle::FormatID vertexFormatID,
+                                             unsigned int divisor)
+{
+    gl::AttributeType attribType = gl::GetAttributeType(glType);
+
+    PackedAttribute packedAttrib;
+    packedAttrib.attribType       = static_cast<uint8_t>(attribType);
+    packedAttrib.semanticIndex    = static_cast<uint8_t>(semanticIndex);
+    packedAttrib.vertexFormatType = static_cast<uint8_t>(vertexFormatID);
+    packedAttrib.unusedPadding    = 0u;
+    packedAttrib.divisor          = static_cast<uint32_t>(divisor);
+
+    ASSERT(static_cast<gl::AttributeType>(packedAttrib.attribType) == attribType);
+    ASSERT(static_cast<UINT>(packedAttrib.semanticIndex) == semanticIndex);
+    ASSERT(static_cast<angle::FormatID>(packedAttrib.vertexFormatType) == vertexFormatID);
+    ASSERT(static_cast<unsigned int>(packedAttrib.divisor) == divisor);
+
+    static_assert(sizeof(uint64_t) == sizeof(PackedAttribute),
+                  "PackedAttributes must be 64-bits exactly.");
+
+    attributeData[numAttributes++] = gl::bitCast<uint64_t>(packedAttrib);
+}
+
+bool PackedAttributeLayout::operator==(const PackedAttributeLayout &other) const
+{
+    return (numAttributes == other.numAttributes) && (flags == other.flags) &&
+           (attributeData == other.attributeData);
+}
+
+InputLayoutCache::InputLayoutCache() : mLayoutCache(kDefaultCacheSize * 2) {}
+
+InputLayoutCache::~InputLayoutCache() {}
+
+void InputLayoutCache::clear()
+{
+    mLayoutCache.Clear();
+}
+
+angle::Result InputLayoutCache::getInputLayout(
+    Context11 *context11,
+    const gl::State &state,
+    const std::vector<const TranslatedAttribute *> &currentAttributes,
+    const AttribIndexArray &sortedSemanticIndices,
+    gl::PrimitiveMode mode,
+    GLsizei vertexCount,
+    GLsizei instances,
+    const d3d11::InputLayout **inputLayoutOut)
+{
+    gl::Program *program         = state.getProgram();
+    const auto &shaderAttributes = program->getAttributes();
+    PackedAttributeLayout layout;
+
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+    bool programUsesInstancedPointSprites =
+        programD3D->usesPointSize() && programD3D->usesInstancedPointSpriteEmulation();
+    bool instancedPointSpritesActive =
+        programUsesInstancedPointSprites && (mode == gl::PrimitiveMode::Points);
+
+    if (programUsesInstancedPointSprites)
+    {
+        layout.flags |= PackedAttributeLayout::FLAG_USES_INSTANCED_SPRITES;
+    }
+
+    if (instancedPointSpritesActive)
+    {
+        layout.flags |= PackedAttributeLayout::FLAG_INSTANCED_SPRITES_ACTIVE;
+    }
+
+    if (instances > 0)
+    {
+        layout.flags |= PackedAttributeLayout::FLAG_INSTANCED_RENDERING_ACTIVE;
+    }
+
+    const auto &attribs            = state.getVertexArray()->getVertexAttributes();
+    const auto &bindings           = state.getVertexArray()->getVertexBindings();
+    const auto &locationToSemantic = programD3D->getAttribLocationToD3DSemantics();
+    int divisorMultiplier          = program->usesMultiview() ? program->getNumViews() : 1;
+
+    for (size_t attribIndex : state.getProgramExecutable()->getActiveAttribLocationsMask())
+    {
+        // Record the type of the associated vertex shader vector in our key
+        // This will prevent mismatched vertex shaders from using the same input layout
+        GLenum glslElementType = GetGLSLAttributeType(shaderAttributes, attribIndex);
+
+        const auto &attrib  = attribs[attribIndex];
+        const auto &binding = bindings[attrib.bindingIndex];
+        int d3dSemantic     = locationToSemantic[attribIndex];
+
+        const auto &currentValue =
+            state.getVertexAttribCurrentValue(static_cast<unsigned int>(attribIndex));
+        angle::FormatID vertexFormatID = gl::GetVertexFormatID(attrib, currentValue.Type);
+
+        layout.addAttributeData(glslElementType, d3dSemantic, vertexFormatID,
+                                binding.getDivisor() * divisorMultiplier);
+    }
+
+    if (layout.numAttributes > 0 || layout.flags != 0)
+    {
+        auto it = mLayoutCache.Get(layout);
+        if (it != mLayoutCache.end())
+        {
+            *inputLayoutOut = &it->second;
+        }
+        else
+        {
+            angle::TrimCache(mLayoutCache.max_size() / 2, kGCLimit, "input layout", &mLayoutCache);
+
+            d3d11::InputLayout newInputLayout;
+            ANGLE_TRY(createInputLayout(context11, sortedSemanticIndices, currentAttributes, mode,
+                                        vertexCount, instances, &newInputLayout));
+
+            auto insertIt   = mLayoutCache.Put(layout, std::move(newInputLayout));
+            *inputLayoutOut = &insertIt->second;
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result InputLayoutCache::createInputLayout(
+    Context11 *context11,
+    const AttribIndexArray &sortedSemanticIndices,
+    const std::vector<const TranslatedAttribute *> &currentAttributes,
+    gl::PrimitiveMode mode,
+    GLsizei vertexCount,
+    GLsizei instances,
+    d3d11::InputLayout *inputLayoutOut)
+{
+    Renderer11 *renderer           = context11->getRenderer();
+    ProgramD3D *programD3D         = renderer->getStateManager()->getProgramD3D();
+    D3D_FEATURE_LEVEL featureLevel = renderer->getRenderer11DeviceCaps().featureLevel;
+
+    bool programUsesInstancedPointSprites =
+        programD3D->usesPointSize() && programD3D->usesInstancedPointSpriteEmulation();
+
+    unsigned int inputElementCount = 0;
+    gl::AttribArray<D3D11_INPUT_ELEMENT_DESC> inputElements;
+
+    for (size_t attribIndex = 0; attribIndex < currentAttributes.size(); ++attribIndex)
+    {
+        const auto &attrib    = *currentAttributes[attribIndex];
+        const int sortedIndex = sortedSemanticIndices[attribIndex];
+
+        D3D11_INPUT_CLASSIFICATION inputClass =
+            attrib.divisor > 0 ? D3D11_INPUT_PER_INSTANCE_DATA : D3D11_INPUT_PER_VERTEX_DATA;
+
+        angle::FormatID vertexFormatID =
+            gl::GetVertexFormatID(*attrib.attribute, attrib.currentValueType);
+        const auto &vertexFormatInfo = d3d11::GetVertexFormatInfo(vertexFormatID, featureLevel);
+
+        auto *inputElement = &inputElements[inputElementCount];
+
+        inputElement->SemanticName         = "TEXCOORD";
+        inputElement->SemanticIndex        = sortedIndex;
+        inputElement->Format               = vertexFormatInfo.nativeFormat;
+        inputElement->InputSlot            = static_cast<UINT>(attribIndex);
+        inputElement->AlignedByteOffset    = 0;
+        inputElement->InputSlotClass       = inputClass;
+        inputElement->InstanceDataStepRate = attrib.divisor;
+
+        inputElementCount++;
+    }
+
+    // Instanced PointSprite emulation requires additional entries in the
+    // inputlayout to support the vertices that make up the pointsprite quad.
+    // We do this even if mode != GL_POINTS, since the shader signature has these inputs, and the
+    // input layout must match the shader
+    if (programUsesInstancedPointSprites)
+    {
+        // On 9_3, we must ensure that slot 0 contains non-instanced data.
+        // If slot 0 currently contains instanced data then we swap it with a non-instanced element.
+        // Note that instancing is only available on 9_3 via ANGLE_instanced_arrays, since 9_3
+        // doesn't support OpenGL ES 3.0.
+        // As per the spec for ANGLE_instanced_arrays, not all attributes can be instanced
+        // simultaneously, so a non-instanced element must exist.
+
+        UINT numIndicesPerInstance = 0;
+        if (instances > 0)
+        {
+            // This requires that the index range is resolved.
+            // Note: Vertex indexes can be arbitrarily large.
+            numIndicesPerInstance = gl::clampCast<UINT>(vertexCount);
+        }
+
+        for (size_t elementIndex = 0; elementIndex < inputElementCount; ++elementIndex)
+        {
+            // If rendering points and instanced pointsprite emulation is being used, the
+            // inputClass is required to be configured as per instance data
+            if (mode == gl::PrimitiveMode::Points)
+            {
+                inputElements[elementIndex].InputSlotClass       = D3D11_INPUT_PER_INSTANCE_DATA;
+                inputElements[elementIndex].InstanceDataStepRate = 1;
+                if (numIndicesPerInstance > 0 && currentAttributes[elementIndex]->divisor > 0)
+                {
+                    inputElements[elementIndex].InstanceDataStepRate = numIndicesPerInstance;
+                }
+            }
+            inputElements[elementIndex].InputSlot++;
+        }
+
+        inputElements[inputElementCount].SemanticName         = "SPRITEPOSITION";
+        inputElements[inputElementCount].SemanticIndex        = 0;
+        inputElements[inputElementCount].Format               = DXGI_FORMAT_R32G32B32_FLOAT;
+        inputElements[inputElementCount].InputSlot            = 0;
+        inputElements[inputElementCount].AlignedByteOffset    = 0;
+        inputElements[inputElementCount].InputSlotClass       = D3D11_INPUT_PER_VERTEX_DATA;
+        inputElements[inputElementCount].InstanceDataStepRate = 0;
+        inputElementCount++;
+
+        inputElements[inputElementCount].SemanticName         = "SPRITETEXCOORD";
+        inputElements[inputElementCount].SemanticIndex        = 0;
+        inputElements[inputElementCount].Format               = DXGI_FORMAT_R32G32_FLOAT;
+        inputElements[inputElementCount].InputSlot            = 0;
+        inputElements[inputElementCount].AlignedByteOffset    = sizeof(float) * 3;
+        inputElements[inputElementCount].InputSlotClass       = D3D11_INPUT_PER_VERTEX_DATA;
+        inputElements[inputElementCount].InstanceDataStepRate = 0;
+        inputElementCount++;
+    }
+
+    ShaderExecutableD3D *shader = nullptr;
+    ANGLE_TRY(programD3D->getVertexExecutableForCachedInputLayout(context11, &shader, nullptr));
+
+    ShaderExecutableD3D *shader11 = GetAs<ShaderExecutable11>(shader);
+
+    InputElementArray inputElementArray(inputElements.data(), inputElementCount);
+    ShaderData vertexShaderData(shader11->getFunction(), shader11->getLength());
+
+    ANGLE_TRY(renderer->allocateResource(context11, inputElementArray, &vertexShaderData,
+                                         inputLayoutOut));
+    return angle::Result::Continue;
+}
+
+void InputLayoutCache::setCacheSize(size_t newCacheSize)
+{
+    // Forces a reset of the cache.
+    LayoutCache newCache(newCacheSize);
+    mLayoutCache.Swap(newCache);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.h
new file mode 100644
index 0000000000..35d1b60607
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.h
@@ -0,0 +1,123 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// InputLayoutCache.h: Defines InputLayoutCache, a class that builds and caches
+// D3D11 input layouts.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_INPUTLAYOUTCACHE_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_INPUTLAYOUTCACHE_H_
+
+#include <GLES2/gl2.h>
+
+#include <cstddef>
+
+#include <array>
+#include <map>
+
+#include "common/angleutils.h"
+#include "libANGLE/Constants.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/SizedMRUCache.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace rx
+{
+struct PackedAttributeLayout
+{
+    PackedAttributeLayout();
+    PackedAttributeLayout(const PackedAttributeLayout &other);
+
+    void addAttributeData(GLenum glType,
+                          UINT semanticIndex,
+                          angle::FormatID vertexFormatID,
+                          unsigned int divisor);
+
+    bool operator==(const PackedAttributeLayout &other) const;
+
+    enum Flags
+    {
+        FLAG_USES_INSTANCED_SPRITES     = 0x1,
+        FLAG_INSTANCED_SPRITES_ACTIVE   = 0x2,
+        FLAG_INSTANCED_RENDERING_ACTIVE = 0x4,
+    };
+
+    uint32_t numAttributes;
+    uint32_t flags;
+    gl::AttribArray<uint64_t> attributeData;
+};
+}  // namespace rx
+
+namespace std
+{
+template <>
+struct hash<rx::PackedAttributeLayout>
+{
+    size_t operator()(const rx::PackedAttributeLayout &value) const
+    {
+        return angle::ComputeGenericHash(value);
+    }
+};
+}  // namespace std
+
+namespace gl
+{
+class Program;
+}  // namespace gl
+
+namespace rx
+{
+class Context11;
+struct TranslatedAttribute;
+struct TranslatedIndexData;
+struct SourceIndexData;
+class ProgramD3D;
+class Renderer11;
+
+class InputLayoutCache : angle::NonCopyable
+{
+  public:
+    InputLayoutCache();
+    ~InputLayoutCache();
+
+    void clear();
+
+    // Useful for testing
+    void setCacheSize(size_t newCacheSize);
+
+    angle::Result getInputLayout(Context11 *context,
+                                 const gl::State &state,
+                                 const std::vector<const TranslatedAttribute *> &currentAttributes,
+                                 const AttribIndexArray &sortedSemanticIndices,
+                                 gl::PrimitiveMode mode,
+                                 GLsizei vertexCount,
+                                 GLsizei instances,
+                                 const d3d11::InputLayout **inputLayoutOut);
+
+  private:
+    angle::Result createInputLayout(
+        Context11 *context11,
+        const AttribIndexArray &sortedSemanticIndices,
+        const std::vector<const TranslatedAttribute *> &currentAttributes,
+        gl::PrimitiveMode mode,
+        GLsizei vertexCount,
+        GLsizei instances,
+        d3d11::InputLayout *inputLayoutOut);
+
+    // Starting cache size.
+    static constexpr size_t kDefaultCacheSize = 1024;
+
+    // The cache tries to clean up this many states at once.
+    static constexpr size_t kGCLimit = 128;
+
+    using LayoutCache = angle::base::HashingMRUCache<PackedAttributeLayout, d3d11::InputLayout>;
+    LayoutCache mLayoutCache;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_INPUTLAYOUTCACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.cpp
new file mode 100644
index 0000000000..d0f6906f1e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.cpp
@@ -0,0 +1,119 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// MappedSubresourceVerifier11.cpp: Implements the
+// rx::MappedSubresourceVerifier11 class, a simple wrapper to D3D11 Texture2D
+// mapped memory so that ASAN and MSAN can catch memory errors done with a
+// pointer to the mapped texture memory.
+
+#include "libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.h"
+
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+
+namespace rx
+{
+
+#if defined(ADDRESS_SANITIZER) || defined(MEMORY_SANITIZER) || defined(ANGLE_ENABLE_ASSERTS)
+
+namespace
+{
+
+#    if defined(ADDRESS_SANITIZER) || defined(MEMORY_SANITIZER)
+constexpr bool kUseWrap = true;
+#    else
+constexpr bool kUseWrap = false;
+#    endif
+
+size_t getPitchCount(const D3D11_TEXTURE2D_DESC &desc)
+{
+    const d3d11::DXGIFormatSize &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(desc.Format);
+    ASSERT(desc.Height % dxgiFormatInfo.blockHeight == 0);
+    return desc.Height / dxgiFormatInfo.blockHeight;
+}
+
+}  // namespace
+
+MappedSubresourceVerifier11::MappedSubresourceVerifier11() = default;
+
+MappedSubresourceVerifier11::~MappedSubresourceVerifier11()
+{
+    ASSERT(!mOrigData);
+    ASSERT(!mWrapData.size());
+}
+
+void MappedSubresourceVerifier11::setDesc(const D3D11_TEXTURE2D_DESC &desc)
+{
+    ASSERT(desc.CPUAccessFlags & (D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE));
+    ASSERT(desc.Width);
+    ASSERT(desc.Height);
+    ASSERT(!mOrigData);
+    ASSERT(!mWrapData.size());
+    ASSERT(!mPitchType);
+    ASSERT(!mPitchCount);
+    mPitchType  = &D3D11_MAPPED_SUBRESOURCE::RowPitch;
+    mPitchCount = getPitchCount(desc);
+}
+
+void MappedSubresourceVerifier11::setDesc(const D3D11_TEXTURE3D_DESC &desc)
+{
+    ASSERT(desc.CPUAccessFlags & (D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE));
+    ASSERT(desc.Width);
+    ASSERT(desc.Height);
+    ASSERT(desc.Depth);
+    ASSERT(!mOrigData);
+    ASSERT(!mWrapData.size());
+    ASSERT(!mPitchType);
+    ASSERT(!mPitchCount);
+    mPitchType  = &D3D11_MAPPED_SUBRESOURCE::DepthPitch;
+    mPitchCount = desc.Depth;
+}
+
+void MappedSubresourceVerifier11::reset()
+{
+    ASSERT(!mOrigData);
+    ASSERT(!mWrapData.size());
+    mPitchType  = nullptr;
+    mPitchCount = 0;
+}
+
+bool MappedSubresourceVerifier11::wrap(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map)
+{
+    ASSERT(map && map->pData);
+    ASSERT(mapType == D3D11_MAP_READ || mapType == D3D11_MAP_WRITE ||
+           mapType == D3D11_MAP_READ_WRITE);
+    ASSERT(mPitchCount);
+
+    if (kUseWrap)
+    {
+        if (!mWrapData.resize(mPitchCount * map->*mPitchType))
+            return false;
+    }
+
+    mOrigData = reinterpret_cast<uint8_t *>(map->pData);
+
+    if (kUseWrap)
+    {
+        std::copy(mOrigData, mOrigData + mWrapData.size(), mWrapData.data());
+        map->pData = mWrapData.data();
+    }
+    return true;
+}
+
+void MappedSubresourceVerifier11::unwrap()
+{
+    ASSERT(mPitchCount);
+    ASSERT(mOrigData);
+    if (kUseWrap)
+    {
+        std::copy(mWrapData.data(), mWrapData.data() + mWrapData.size(), mOrigData);
+        mWrapData = angle::MemoryBuffer();
+    }
+    mOrigData = nullptr;
+}
+
+#endif
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.h
new file mode 100644
index 0000000000..f0fc70eb85
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.h
@@ -0,0 +1,63 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// MappedSubresourceVerifier11.h: Defines the rx::MappedSubresourceVerifier11
+// class, a simple wrapper to D3D11 Texture2D mapped memory so that ASAN
+// MSAN can catch memory errors done with a pointer to the mapped texture
+// memory.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_MAPPED_SUBRESOURCE_VERIFIER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_MAPPED_SUBRESOURCE_VERIFIER11_H_
+
+#include "common/MemoryBuffer.h"
+#include "common/angleutils.h"
+
+namespace rx
+{
+
+class MappedSubresourceVerifier11 final : angle::NonCopyable
+{
+  public:
+    MappedSubresourceVerifier11();
+    ~MappedSubresourceVerifier11();
+
+    void setDesc(const D3D11_TEXTURE2D_DESC &desc);
+    void setDesc(const D3D11_TEXTURE3D_DESC &desc);
+    void reset();
+
+    bool wrap(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
+    void unwrap();
+
+  private:
+#if defined(ADDRESS_SANITIZER) || defined(MEMORY_SANITIZER) || defined(ANGLE_ENABLE_ASSERTS)
+    UINT D3D11_MAPPED_SUBRESOURCE::*mPitchType = nullptr;
+    size_t mPitchCount                         = 0;
+    angle::MemoryBuffer mWrapData;
+    uint8_t *mOrigData = nullptr;
+#endif
+};
+
+#if !(defined(ADDRESS_SANITIZER) || defined(MEMORY_SANITIZER) || defined(ANGLE_ENABLE_ASSERTS))
+
+inline MappedSubresourceVerifier11::MappedSubresourceVerifier11()  = default;
+inline MappedSubresourceVerifier11::~MappedSubresourceVerifier11() = default;
+
+inline void MappedSubresourceVerifier11::setDesc(const D3D11_TEXTURE2D_DESC &desc) {}
+inline void MappedSubresourceVerifier11::setDesc(const D3D11_TEXTURE3D_DESC &desc) {}
+inline void MappedSubresourceVerifier11::reset() {}
+
+inline bool MappedSubresourceVerifier11::wrap(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map)
+{
+    return true;
+}
+
+inline void MappedSubresourceVerifier11::unwrap() {}
+
+#endif
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_MAPPED_SUBRESOURCE_VERIFIER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/NativeWindow11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/NativeWindow11.h
new file mode 100644
index 0000000000..e11b19cace
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/NativeWindow11.h
@@ -0,0 +1,38 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// NativeWindow11.h: Defines NativeWindow11, a class for managing and performing operations on an
+// EGLNativeWindowType for the D3D11 renderer.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_NATIVEWINDOW11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_NATIVEWINDOW11_H_
+
+#include "common/debug.h"
+#include "common/platform.h"
+
+#include "libANGLE/Config.h"
+#include "libANGLE/renderer/d3d/NativeWindowD3D.h"
+
+namespace rx
+{
+
+class NativeWindow11 : public NativeWindowD3D
+{
+  public:
+    NativeWindow11(EGLNativeWindowType window) : NativeWindowD3D(window) {}
+
+    virtual HRESULT createSwapChain(ID3D11Device *device,
+                                    IDXGIFactory *factory,
+                                    DXGI_FORMAT format,
+                                    UINT width,
+                                    UINT height,
+                                    UINT samples,
+                                    IDXGISwapChain **swapChain) = 0;
+    virtual void commitChange()                                 = 0;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_NATIVEWINDOW11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp
new file mode 100644
index 0000000000..9649a91dd3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp
@@ -0,0 +1,271 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// PixelTransfer11.cpp:
+//   Implementation for buffer-to-texture and texture-to-buffer copies.
+//   Used to implement pixel transfers from unpack and to pack buffers.
+//
+
+#include "libANGLE/renderer/d3d/d3d11/PixelTransfer11.h"
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+#include "libANGLE/renderer/serial_utils.h"
+
+// Precompiled shaders
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_gs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4f.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4i.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4ui.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_vs.h"
+
+namespace rx
+{
+
+PixelTransfer11::PixelTransfer11(Renderer11 *renderer)
+    : mRenderer(renderer),
+      mResourcesLoaded(false),
+      mBufferToTextureVS(),
+      mBufferToTextureGS(),
+      mParamsConstantBuffer(),
+      mCopyRasterizerState(),
+      mCopyDepthStencilState()
+{}
+
+PixelTransfer11::~PixelTransfer11() {}
+
+angle::Result PixelTransfer11::loadResources(const gl::Context *context)
+{
+    if (mResourcesLoaded)
+    {
+        return angle::Result::Continue;
+    }
+
+    D3D11_RASTERIZER_DESC rasterDesc;
+    rasterDesc.FillMode              = D3D11_FILL_SOLID;
+    rasterDesc.CullMode              = D3D11_CULL_NONE;
+    rasterDesc.FrontCounterClockwise = FALSE;
+    rasterDesc.DepthBias             = 0;
+    rasterDesc.SlopeScaledDepthBias  = 0.0f;
+    rasterDesc.DepthBiasClamp        = 0.0f;
+    rasterDesc.DepthClipEnable       = TRUE;
+    rasterDesc.ScissorEnable         = FALSE;
+    rasterDesc.MultisampleEnable     = FALSE;
+    rasterDesc.AntialiasedLineEnable = FALSE;
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, rasterDesc, &mCopyRasterizerState));
+
+    D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
+    depthStencilDesc.DepthEnable                  = true;
+    depthStencilDesc.DepthWriteMask               = D3D11_DEPTH_WRITE_MASK_ALL;
+    depthStencilDesc.DepthFunc                    = D3D11_COMPARISON_ALWAYS;
+    depthStencilDesc.StencilEnable                = FALSE;
+    depthStencilDesc.StencilReadMask              = D3D11_DEFAULT_STENCIL_READ_MASK;
+    depthStencilDesc.StencilWriteMask             = D3D11_DEFAULT_STENCIL_WRITE_MASK;
+    depthStencilDesc.FrontFace.StencilFailOp      = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.FrontFace.StencilPassOp      = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.FrontFace.StencilFunc        = D3D11_COMPARISON_ALWAYS;
+    depthStencilDesc.BackFace.StencilFailOp       = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.BackFace.StencilDepthFailOp  = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.BackFace.StencilPassOp       = D3D11_STENCIL_OP_KEEP;
+    depthStencilDesc.BackFace.StencilFunc         = D3D11_COMPARISON_ALWAYS;
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, depthStencilDesc, &mCopyDepthStencilState));
+
+    D3D11_BUFFER_DESC constantBufferDesc   = {};
+    constantBufferDesc.ByteWidth           = roundUpPow2<UINT>(sizeof(CopyShaderParams), 32u);
+    constantBufferDesc.Usage               = D3D11_USAGE_DYNAMIC;
+    constantBufferDesc.BindFlags           = D3D11_BIND_CONSTANT_BUFFER;
+    constantBufferDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+    constantBufferDesc.MiscFlags           = 0;
+    constantBufferDesc.StructureByteStride = 0;
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, constantBufferDesc, &mParamsConstantBuffer));
+    mParamsConstantBuffer.setInternalName("PixelTransfer11ConstantBuffer");
+
+    // init shaders
+    ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_VS_BufferToTexture),
+                                          &mBufferToTextureVS));
+    mBufferToTextureVS.setInternalName("BufferToTextureVS");
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_GS_BufferToTexture),
+                                          &mBufferToTextureGS));
+    mBufferToTextureGS.setInternalName("BufferToTextureGS");
+
+    ANGLE_TRY(buildShaderMap(context));
+
+    StructZero(&mParamsData);
+
+    mResourcesLoaded = true;
+
+    return angle::Result::Continue;
+}
+
+void PixelTransfer11::setBufferToTextureCopyParams(const gl::Box &destArea,
+                                                   const gl::Extents &destSize,
+                                                   GLenum internalFormat,
+                                                   const gl::PixelUnpackState &unpack,
+                                                   unsigned int offset,
+                                                   CopyShaderParams *parametersOut)
+{
+    StructZero(parametersOut);
+
+    float texelCenterX = 0.5f / static_cast<float>(destSize.width);
+    float texelCenterY = 0.5f / static_cast<float>(destSize.height);
+
+    unsigned int bytesPerPixel  = gl::GetSizedInternalFormatInfo(internalFormat).pixelBytes;
+    unsigned int alignmentBytes = static_cast<unsigned int>(unpack.alignment);
+    unsigned int alignmentPixels =
+        (alignmentBytes <= bytesPerPixel ? 1 : alignmentBytes / bytesPerPixel);
+
+    parametersOut->FirstPixelOffset = offset / bytesPerPixel;
+    parametersOut->PixelsPerRow =
+        static_cast<unsigned int>((unpack.rowLength > 0) ? unpack.rowLength : destArea.width);
+    parametersOut->RowStride    = roundUp(parametersOut->PixelsPerRow, alignmentPixels);
+    parametersOut->RowsPerSlice = static_cast<unsigned int>(destArea.height);
+    parametersOut->PositionOffset[0] =
+        texelCenterX + (destArea.x / float(destSize.width)) * 2.0f - 1.0f;
+    parametersOut->PositionOffset[1] =
+        texelCenterY + ((destSize.height - destArea.y - 1) / float(destSize.height)) * 2.0f - 1.0f;
+    parametersOut->PositionScale[0] = 2.0f / static_cast<float>(destSize.width);
+    parametersOut->PositionScale[1] = -2.0f / static_cast<float>(destSize.height);
+    parametersOut->FirstSlice       = destArea.z;
+}
+
+angle::Result PixelTransfer11::copyBufferToTexture(const gl::Context *context,
+                                                   const gl::PixelUnpackState &unpack,
+                                                   gl::Buffer *unpackBuffer,
+                                                   unsigned int offset,
+                                                   RenderTargetD3D *destRenderTarget,
+                                                   GLenum destinationFormat,
+                                                   GLenum sourcePixelsType,
+                                                   const gl::Box &destArea)
+{
+    ASSERT(unpackBuffer);
+
+    ANGLE_TRY(loadResources(context));
+
+    gl::Extents destSize = destRenderTarget->getExtents();
+
+    ASSERT(destArea.x >= 0 && destArea.x + destArea.width <= destSize.width && destArea.y >= 0 &&
+           destArea.y + destArea.height <= destSize.height && destArea.z >= 0 &&
+           destArea.z + destArea.depth <= destSize.depth);
+
+    ASSERT(mRenderer->supportsFastCopyBufferToTexture(destinationFormat));
+
+    const d3d11::PixelShader *pixelShader = findBufferToTexturePS(destinationFormat);
+    ASSERT(pixelShader);
+
+    // The SRV must be in the proper read format, which may be different from the destination format
+    // EG: for half float data, we can load full precision floats with implicit conversion
+    GLenum unsizedFormat = gl::GetUnsizedFormat(destinationFormat);
+    const gl::InternalFormat &sourceglFormatInfo =
+        gl::GetInternalFormatInfo(unsizedFormat, sourcePixelsType);
+
+    const d3d11::Format &sourceFormatInfo = d3d11::Format::Get(
+        sourceglFormatInfo.sizedInternalFormat, mRenderer->getRenderer11DeviceCaps());
+    DXGI_FORMAT srvFormat = sourceFormatInfo.srvFormat;
+    ASSERT(srvFormat != DXGI_FORMAT_UNKNOWN);
+    Buffer11 *bufferStorage11                  = GetAs<Buffer11>(unpackBuffer->getImplementation());
+    const d3d11::ShaderResourceView *bufferSRV = nullptr;
+    ANGLE_TRY(bufferStorage11->getSRV(context, srvFormat, &bufferSRV));
+    ASSERT(bufferSRV != nullptr);
+
+    const d3d11::RenderTargetView &textureRTV =
+        GetAs<RenderTarget11>(destRenderTarget)->getRenderTargetView();
+    ASSERT(textureRTV.valid());
+
+    CopyShaderParams shaderParams;
+    setBufferToTextureCopyParams(destArea, destSize, sourceglFormatInfo.sizedInternalFormat, unpack,
+                                 offset, &shaderParams);
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    // Are we doing a 2D or 3D copy?
+    const auto *geometryShader   = ((destSize.depth > 1) ? &mBufferToTextureGS : nullptr);
+    StateManager11 *stateManager = mRenderer->getStateManager();
+
+    stateManager->setDrawShaders(&mBufferToTextureVS, geometryShader, pixelShader);
+    stateManager->setShaderResource(gl::ShaderType::Fragment, 0, bufferSRV);
+    stateManager->setInputLayout(nullptr);
+    stateManager->setPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_POINTLIST);
+
+    stateManager->setSingleVertexBuffer(nullptr, 0, 0);
+    stateManager->setSimpleBlendState(nullptr);
+    stateManager->setDepthStencilState(&mCopyDepthStencilState, 0xFFFFFFFF);
+    stateManager->setRasterizerState(&mCopyRasterizerState);
+
+    stateManager->setRenderTarget(textureRTV.get(), nullptr);
+
+    if (!StructEquals(mParamsData, shaderParams))
+    {
+        d3d11::SetBufferData(deviceContext, mParamsConstantBuffer.get(), shaderParams);
+        mParamsData = shaderParams;
+    }
+
+    stateManager->setVertexConstantBuffer(0, &mParamsConstantBuffer);
+
+    // Set the viewport
+    stateManager->setSimpleViewport(destSize);
+
+    UINT numPixels = (shaderParams.PixelsPerRow * destArea.height * destArea.depth);
+    deviceContext->Draw(numPixels, 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result PixelTransfer11::buildShaderMap(const gl::Context *context)
+{
+    d3d11::PixelShader bufferToTextureFloat;
+    d3d11::PixelShader bufferToTextureInt;
+    d3d11::PixelShader bufferToTextureUint;
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_PS_BufferToTexture_4F),
+                                          &bufferToTextureFloat));
+    ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_PS_BufferToTexture_4I),
+                                          &bufferToTextureInt));
+    ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_PS_BufferToTexture_4UI),
+                                          &bufferToTextureUint));
+
+    bufferToTextureFloat.setInternalName("BufferToTextureRGBA.ps");
+    bufferToTextureInt.setInternalName("BufferToTextureRGBA-I.ps");
+    bufferToTextureUint.setInternalName("BufferToTextureRGBA-UI.ps");
+
+    mBufferToTexturePSMap[GL_FLOAT]        = std::move(bufferToTextureFloat);
+    mBufferToTexturePSMap[GL_INT]          = std::move(bufferToTextureInt);
+    mBufferToTexturePSMap[GL_UNSIGNED_INT] = std::move(bufferToTextureUint);
+
+    return angle::Result::Continue;
+}
+
+const d3d11::PixelShader *PixelTransfer11::findBufferToTexturePS(GLenum internalFormat) const
+{
+    GLenum componentType = gl::GetSizedInternalFormatInfo(internalFormat).componentType;
+    if (componentType == GL_SIGNED_NORMALIZED || componentType == GL_UNSIGNED_NORMALIZED)
+    {
+        componentType = GL_FLOAT;
+    }
+
+    auto shaderMapIt = mBufferToTexturePSMap.find(componentType);
+    return (shaderMapIt == mBufferToTexturePSMap.end() ? nullptr : &shaderMapIt->second);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.h
new file mode 100644
index 0000000000..bdb11b90ff
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.h
@@ -0,0 +1,96 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// PixelTransfer11.h:
+//   Buffer-to-Texture and Texture-to-Buffer data transfers.
+//   Used to implement pixel unpack and pixel pack buffers in ES3.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_PIXELTRANSFER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_PIXELTRANSFER11_H_
+
+#include <GLES2/gl2.h>
+
+#include <map>
+
+#include "common/platform.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace gl
+{
+class Buffer;
+class Context;
+struct Box;
+struct Extents;
+struct PixelUnpackState;
+}  // namespace gl
+
+namespace rx
+{
+class Renderer11;
+class RenderTargetD3D;
+
+class PixelTransfer11
+{
+  public:
+    explicit PixelTransfer11(Renderer11 *renderer);
+    ~PixelTransfer11();
+
+    // unpack: the source buffer is stored in the unpack state, and buffer strides
+    // offset: the start of the data within the unpack buffer
+    // destRenderTarget: individual slice/layer of a target texture
+    // destinationFormat/sourcePixelsType: determines shaders + shader parameters
+    // destArea: the sub-section of destRenderTarget to copy to
+    angle::Result copyBufferToTexture(const gl::Context *context,
+                                      const gl::PixelUnpackState &unpack,
+                                      gl::Buffer *unpackBuffer,
+                                      unsigned int offset,
+                                      RenderTargetD3D *destRenderTarget,
+                                      GLenum destinationFormat,
+                                      GLenum sourcePixelsType,
+                                      const gl::Box &destArea);
+
+  private:
+    struct CopyShaderParams
+    {
+        unsigned int FirstPixelOffset;
+        unsigned int PixelsPerRow;
+        unsigned int RowStride;
+        unsigned int RowsPerSlice;
+        float PositionOffset[2];
+        float PositionScale[2];
+        int TexLocationOffset[2];
+        int TexLocationScale[2];
+        unsigned int FirstSlice;
+    };
+
+    static void setBufferToTextureCopyParams(const gl::Box &destArea,
+                                             const gl::Extents &destSize,
+                                             GLenum internalFormat,
+                                             const gl::PixelUnpackState &unpack,
+                                             unsigned int offset,
+                                             CopyShaderParams *parametersOut);
+
+    angle::Result loadResources(const gl::Context *context);
+    angle::Result buildShaderMap(const gl::Context *context);
+    const d3d11::PixelShader *findBufferToTexturePS(GLenum internalFormat) const;
+
+    Renderer11 *mRenderer;
+
+    bool mResourcesLoaded;
+    std::map<GLenum, d3d11::PixelShader> mBufferToTexturePSMap;
+    d3d11::VertexShader mBufferToTextureVS;
+    d3d11::GeometryShader mBufferToTextureGS;
+    d3d11::Buffer mParamsConstantBuffer;
+    CopyShaderParams mParamsData;
+
+    d3d11::RasterizerState mCopyRasterizerState;
+    d3d11::DepthStencilState mCopyDepthStencilState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_PIXELTRANSFER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Program11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Program11.cpp
new file mode 100644
index 0000000000..510065ccd6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Program11.cpp
@@ -0,0 +1,34 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Program11: D3D11 implementation of an OpenGL Program.
+
+#include "libANGLE/renderer/d3d/d3d11/Program11.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/StateManager11.h"
+
+namespace rx
+{
+Program11::Program11(const gl::ProgramState &programState, Renderer11 *renderer)
+    : ProgramD3D(programState, renderer)
+{}
+
+Program11::~Program11() = default;
+
+angle::Result Program11::syncState(const gl::Context *context,
+                                   const gl::Program::DirtyBits &dirtyBits)
+{
+    Renderer11 *renderer11       = GetImplAs<Context11>(context)->getRenderer();
+    StateManager11 *stateManager = renderer11->getStateManager();
+
+    // This single flag should be replace by individual dirtyness.
+    stateManager->invalidateProgramUniformBuffers();
+
+    return angle::Result::Continue;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Program11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Program11.h
new file mode 100644
index 0000000000..2bd6bc3710
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Program11.h
@@ -0,0 +1,28 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Program11: D3D11 implementation of an OpenGL Program.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_PROGRAM11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_PROGRAM11_H_
+
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+
+namespace rx
+{
+class Renderer11;
+
+class Program11 : public ProgramD3D
+{
+  public:
+    Program11(const gl::ProgramState &programState, Renderer11 *renderer11);
+    ~Program11() override;
+
+    angle::Result syncState(const gl::Context *context,
+                            const gl::Program::DirtyBits &dirtyBits) override;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_PROGRAM11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ProgramPipeline11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ProgramPipeline11.cpp
new file mode 100644
index 0000000000..2790809dde
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ProgramPipeline11.cpp
@@ -0,0 +1,21 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ProgramPipelineNULL.cpp:
+//    Implements the class methods for ProgramPipeline11.
+//
+
+#include "libANGLE/renderer/d3d/d3d11/ProgramPipeline11.h"
+
+namespace rx
+{
+
+ProgramPipeline11::ProgramPipeline11(const gl::ProgramPipelineState &state)
+    : ProgramPipelineImpl(state)
+{}
+
+ProgramPipeline11::~ProgramPipeline11() {}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ProgramPipeline11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ProgramPipeline11.h
new file mode 100644
index 0000000000..cf838eec05
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ProgramPipeline11.h
@@ -0,0 +1,27 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ProgramPipeline11.h:
+//    Defines the class interface for ProgramPipeline11, implementing ProgramPipelineImpl.
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_PROGRAMPIPELINE11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_PROGRAMPIPELINE11_H_
+
+#include "libANGLE/renderer/ProgramPipelineImpl.h"
+
+namespace rx
+{
+
+class ProgramPipeline11 : public ProgramPipelineImpl
+{
+  public:
+    ProgramPipeline11(const gl::ProgramPipelineState &state);
+    ~ProgramPipeline11() override;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_PROGRAMPIPELINE11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.cpp
new file mode 100644
index 0000000000..f2368e9f8f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.cpp
@@ -0,0 +1,357 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Query11.cpp: Defines the rx::Query11 class which implements rx::QueryImpl.
+
+#include "libANGLE/renderer/d3d/d3d11/Query11.h"
+
+#include <GLES2/gl2ext.h>
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace
+{
+
+GLuint64 MergeQueryResults(gl::QueryType type, GLuint64 currentResult, GLuint64 newResult)
+{
+    switch (type)
+    {
+        case gl::QueryType::AnySamples:
+        case gl::QueryType::AnySamplesConservative:
+            return (currentResult == GL_TRUE || newResult == GL_TRUE) ? GL_TRUE : GL_FALSE;
+
+        case gl::QueryType::TransformFeedbackPrimitivesWritten:
+            return currentResult + newResult;
+
+        case gl::QueryType::TimeElapsed:
+            return currentResult + newResult;
+
+        case gl::QueryType::Timestamp:
+            return newResult;
+
+        case gl::QueryType::CommandsCompleted:
+            return newResult;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+}  // anonymous namespace
+
+namespace rx
+{
+
+Query11::QueryState::QueryState()
+    : getDataAttemptCount(0), query(), beginTimestamp(), endTimestamp(), finished(false)
+{}
+
+Query11::QueryState::~QueryState() {}
+
+Query11::Query11(Renderer11 *renderer, gl::QueryType type)
+    : QueryImpl(type), mResult(0), mResultSum(0), mRenderer(renderer)
+{
+    mActiveQuery = std::unique_ptr<QueryState>(new QueryState());
+}
+
+Query11::~Query11()
+{
+    mRenderer->getStateManager()->onDeleteQueryObject(this);
+}
+
+angle::Result Query11::begin(const gl::Context *context)
+{
+    mResultSum = 0;
+    mRenderer->getStateManager()->onBeginQuery(this);
+    return resume(GetImplAs<Context11>(context));
+}
+
+angle::Result Query11::end(const gl::Context *context)
+{
+    return pause(GetImplAs<Context11>(context));
+}
+
+angle::Result Query11::queryCounter(const gl::Context *context)
+{
+    // This doesn't do anything for D3D11 as we don't support timestamps
+    ASSERT(getType() == gl::QueryType::Timestamp);
+    mResultSum = 0;
+    mPendingQueries.push_back(std::unique_ptr<QueryState>(new QueryState()));
+    return angle::Result::Continue;
+}
+
+template <typename T>
+angle::Result Query11::getResultBase(Context11 *context11, T *params)
+{
+    ASSERT(!mActiveQuery->query.valid());
+    ANGLE_TRY(flush(context11, true));
+    ASSERT(mPendingQueries.empty());
+    *params = static_cast<T>(mResultSum);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Query11::getResult(const gl::Context *context, GLint *params)
+{
+    return getResultBase(GetImplAs<Context11>(context), params);
+}
+
+angle::Result Query11::getResult(const gl::Context *context, GLuint *params)
+{
+    return getResultBase(GetImplAs<Context11>(context), params);
+}
+
+angle::Result Query11::getResult(const gl::Context *context, GLint64 *params)
+{
+    return getResultBase(GetImplAs<Context11>(context), params);
+}
+
+angle::Result Query11::getResult(const gl::Context *context, GLuint64 *params)
+{
+    return getResultBase(GetImplAs<Context11>(context), params);
+}
+
+angle::Result Query11::isResultAvailable(const gl::Context *context, bool *available)
+{
+    ANGLE_TRY(flush(GetImplAs<Context11>(context), false));
+
+    *available = mPendingQueries.empty();
+    return angle::Result::Continue;
+}
+
+angle::Result Query11::pause(Context11 *context11)
+{
+    if (mActiveQuery->query.valid())
+    {
+        ID3D11DeviceContext *context = mRenderer->getDeviceContext();
+        gl::QueryType type           = getType();
+
+        // If we are doing time elapsed query the end timestamp
+        if (type == gl::QueryType::TimeElapsed)
+        {
+            context->End(mActiveQuery->endTimestamp.get());
+        }
+
+        context->End(mActiveQuery->query.get());
+
+        mPendingQueries.push_back(std::move(mActiveQuery));
+        mActiveQuery = std::unique_ptr<QueryState>(new QueryState());
+    }
+
+    return flush(context11, false);
+}
+
+angle::Result Query11::resume(Context11 *context11)
+{
+    if (!mActiveQuery->query.valid())
+    {
+        ANGLE_TRY(flush(context11, false));
+
+        gl::QueryType type       = getType();
+        D3D11_QUERY d3dQueryType = gl_d3d11::ConvertQueryType(type);
+
+        D3D11_QUERY_DESC queryDesc;
+        queryDesc.Query     = d3dQueryType;
+        queryDesc.MiscFlags = 0;
+
+        ANGLE_TRY(mRenderer->allocateResource(context11, queryDesc, &mActiveQuery->query));
+
+        // If we are doing time elapsed we also need a query to actually query the timestamp
+        if (type == gl::QueryType::TimeElapsed)
+        {
+            D3D11_QUERY_DESC desc;
+            desc.Query     = D3D11_QUERY_TIMESTAMP;
+            desc.MiscFlags = 0;
+
+            ANGLE_TRY(mRenderer->allocateResource(context11, desc, &mActiveQuery->beginTimestamp));
+            ANGLE_TRY(mRenderer->allocateResource(context11, desc, &mActiveQuery->endTimestamp));
+        }
+
+        ID3D11DeviceContext *context = mRenderer->getDeviceContext();
+
+        if (d3dQueryType != D3D11_QUERY_EVENT)
+        {
+            context->Begin(mActiveQuery->query.get());
+        }
+
+        // If we are doing time elapsed, query the begin timestamp
+        if (type == gl::QueryType::TimeElapsed)
+        {
+            context->End(mActiveQuery->beginTimestamp.get());
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Query11::flush(Context11 *context11, bool force)
+{
+    while (!mPendingQueries.empty())
+    {
+        QueryState *query = mPendingQueries.front().get();
+
+        do
+        {
+            ANGLE_TRY(testQuery(context11, query));
+            if (!query->finished && !force)
+            {
+                return angle::Result::Continue;
+            }
+        } while (!query->finished);
+
+        mResultSum = MergeQueryResults(getType(), mResultSum, mResult);
+        mPendingQueries.pop_front();
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Query11::testQuery(Context11 *context11, QueryState *queryState)
+{
+    if (!queryState->finished)
+    {
+        ID3D11DeviceContext *context = mRenderer->getDeviceContext();
+        switch (getType())
+        {
+            case gl::QueryType::AnySamples:
+            case gl::QueryType::AnySamplesConservative:
+            {
+                ASSERT(queryState->query.valid());
+                UINT64 numPixels = 0;
+                HRESULT result =
+                    context->GetData(queryState->query.get(), &numPixels, sizeof(numPixels), 0);
+                ANGLE_TRY_HR(context11, result, "Failed to get the data of an internal query");
+
+                if (result == S_OK)
+                {
+                    queryState->finished = true;
+                    mResult              = (numPixels > 0) ? GL_TRUE : GL_FALSE;
+                }
+            }
+            break;
+
+            case gl::QueryType::TransformFeedbackPrimitivesWritten:
+            {
+                ASSERT(queryState->query.valid());
+                D3D11_QUERY_DATA_SO_STATISTICS soStats = {};
+                HRESULT result =
+                    context->GetData(queryState->query.get(), &soStats, sizeof(soStats), 0);
+                ANGLE_TRY_HR(context11, result, "Failed to get the data of an internal query");
+
+                if (result == S_OK)
+                {
+                    queryState->finished = true;
+                    mResult              = static_cast<GLuint64>(soStats.NumPrimitivesWritten);
+                }
+            }
+            break;
+
+            case gl::QueryType::TimeElapsed:
+            {
+                ASSERT(queryState->query.valid());
+                ASSERT(queryState->beginTimestamp.valid());
+                ASSERT(queryState->endTimestamp.valid());
+                D3D11_QUERY_DATA_TIMESTAMP_DISJOINT timeStats = {};
+                HRESULT result =
+                    context->GetData(queryState->query.get(), &timeStats, sizeof(timeStats), 0);
+                ANGLE_TRY_HR(context11, result, "Failed to get the data of an internal query");
+
+                if (result == S_OK)
+                {
+                    UINT64 beginTime = 0;
+                    HRESULT beginRes = context->GetData(queryState->beginTimestamp.get(),
+                                                        &beginTime, sizeof(UINT64), 0);
+                    ANGLE_TRY_HR(context11, beginRes,
+                                 "Failed to get the data of an internal query");
+
+                    UINT64 endTime = 0;
+                    HRESULT endRes = context->GetData(queryState->endTimestamp.get(), &endTime,
+                                                      sizeof(UINT64), 0);
+                    ANGLE_TRY_HR(context11, endRes, "Failed to get the data of an internal query");
+
+                    if (beginRes == S_OK && endRes == S_OK)
+                    {
+                        queryState->finished = true;
+                        if (timeStats.Disjoint)
+                        {
+                            mRenderer->setGPUDisjoint();
+                        }
+                        static_assert(sizeof(UINT64) == sizeof(unsigned long long),
+                                      "D3D UINT64 isn't 64 bits");
+
+                        angle::CheckedNumeric<UINT64> checkedTime(endTime);
+                        checkedTime -= beginTime;
+                        checkedTime *= 1000000000ull;
+                        checkedTime /= timeStats.Frequency;
+                        if (checkedTime.IsValid())
+                        {
+                            mResult = checkedTime.ValueOrDie();
+                        }
+                        else
+                        {
+                            mResult = std::numeric_limits<GLuint64>::max() / timeStats.Frequency;
+                            // If an overflow does somehow occur, there is no way the elapsed time
+                            // is accurate, so we generate a disjoint event
+                            mRenderer->setGPUDisjoint();
+                        }
+                    }
+                }
+            }
+            break;
+
+            case gl::QueryType::Timestamp:
+            {
+                // D3D11 doesn't support GL timestamp queries as D3D timestamps are not guaranteed
+                // to have any sort of continuity outside of a disjoint timestamp query block, which
+                // GL depends on
+                ASSERT(!queryState->query.valid());
+                mResult              = 0;
+                queryState->finished = true;
+            }
+            break;
+
+            case gl::QueryType::CommandsCompleted:
+            {
+                ASSERT(queryState->query.valid());
+                BOOL completed = 0;
+                HRESULT result =
+                    context->GetData(queryState->query.get(), &completed, sizeof(completed), 0);
+                ANGLE_TRY_HR(context11, result, "Failed to get the data of an internal query");
+
+                if (result == S_OK)
+                {
+                    queryState->finished = true;
+                    ASSERT(completed == TRUE);
+                    mResult = (completed == TRUE) ? GL_TRUE : GL_FALSE;
+                }
+            }
+            break;
+
+            default:
+                UNREACHABLE();
+                break;
+        }
+
+        queryState->getDataAttemptCount++;
+        bool checkDeviceLost =
+            (queryState->getDataAttemptCount % kPollingD3DDeviceLostCheckFrequency) == 0;
+        if (!queryState->finished && checkDeviceLost && mRenderer->testDeviceLost())
+        {
+            mRenderer->notifyDeviceLost();
+            ANGLE_TRY_HR(context11, E_OUTOFMEMORY,
+                         "Failed to test get query result, device is lost.");
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.h
new file mode 100644
index 0000000000..96ac59d742
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.h
@@ -0,0 +1,71 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Query11.h: Defines the rx::Query11 class which implements rx::QueryImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_QUERY11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_QUERY11_H_
+
+#include <deque>
+
+#include "libANGLE/renderer/QueryImpl.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace rx
+{
+class Context11;
+class Renderer11;
+
+class Query11 : public QueryImpl
+{
+  public:
+    Query11(Renderer11 *renderer, gl::QueryType type);
+    ~Query11() override;
+
+    angle::Result begin(const gl::Context *context) override;
+    angle::Result end(const gl::Context *context) override;
+    angle::Result queryCounter(const gl::Context *context) override;
+    angle::Result getResult(const gl::Context *context, GLint *params) override;
+    angle::Result getResult(const gl::Context *context, GLuint *params) override;
+    angle::Result getResult(const gl::Context *context, GLint64 *params) override;
+    angle::Result getResult(const gl::Context *context, GLuint64 *params) override;
+    angle::Result isResultAvailable(const gl::Context *context, bool *available) override;
+
+    angle::Result pause(Context11 *context11);
+    angle::Result resume(Context11 *context11);
+
+  private:
+    struct QueryState final : private angle::NonCopyable
+    {
+        QueryState();
+        ~QueryState();
+
+        unsigned int getDataAttemptCount;
+
+        d3d11::Query query;
+        d3d11::Query beginTimestamp;
+        d3d11::Query endTimestamp;
+        bool finished;
+    };
+
+    angle::Result flush(Context11 *context11, bool force);
+    angle::Result testQuery(Context11 *context11, QueryState *queryState);
+
+    template <typename T>
+    angle::Result getResultBase(Context11 *context11, T *params);
+
+    GLuint64 mResult;
+    GLuint64 mResultSum;
+
+    Renderer11 *mRenderer;
+
+    std::unique_ptr<QueryState> mActiveQuery;
+    std::deque<std::unique_ptr<QueryState>> mPendingQueries;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_QUERY11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp
new file mode 100644
index 0000000000..964ac8c287
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp
@@ -0,0 +1,323 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderStateCache.cpp: Defines rx::RenderStateCache, a cache of Direct3D render
+// state objects.
+
+#include "libANGLE/renderer/d3d/d3d11/RenderStateCache.h"
+
+#include <float.h>
+
+#include "common/Color.h"
+#include "common/debug.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Framebuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+using namespace gl_d3d11;
+
+RenderStateCache::RenderStateCache()
+    : mBlendStateCache(kMaxStates),
+      mRasterizerStateCache(kMaxStates),
+      mDepthStencilStateCache(kMaxStates),
+      mSamplerStateCache(kMaxStates)
+{}
+
+RenderStateCache::~RenderStateCache() {}
+
+void RenderStateCache::clear()
+{
+    mBlendStateCache.Clear();
+    mRasterizerStateCache.Clear();
+    mDepthStencilStateCache.Clear();
+    mSamplerStateCache.Clear();
+}
+
+// static
+d3d11::BlendStateKey RenderStateCache::GetBlendStateKey(const gl::Context *context,
+                                                        Framebuffer11 *framebuffer11,
+                                                        const gl::BlendStateExt &blendStateExt,
+                                                        bool sampleAlphaToCoverage)
+{
+    d3d11::BlendStateKey key;
+    // All fields of the BlendStateExt inside the key should be initialized for the caching to
+    // work correctly. Due to mrt_perf_workaround, the actual indices of active draw buffers may be
+    // different, so both arrays should be tracked.
+    key.blendStateExt                      = gl::BlendStateExt(blendStateExt.getDrawBufferCount());
+    const gl::AttachmentList &colorbuffers = framebuffer11->getColorAttachmentsForRender(context);
+    const gl::DrawBufferMask colorAttachmentsForRenderMask =
+        framebuffer11->getLastColorAttachmentsForRenderMask();
+
+    ASSERT(blendStateExt.getDrawBufferCount() <= colorAttachmentsForRenderMask.size());
+    ASSERT(colorbuffers.size() == colorAttachmentsForRenderMask.count());
+
+    size_t keyBlendIndex = 0;
+
+    // With blending disabled, factors and equations are ignored when building
+    // D3D11_RENDER_TARGET_BLEND_DESC, so we can reduce the amount of unique keys by
+    // enforcing default values.
+    for (size_t sourceIndex : colorAttachmentsForRenderMask)
+    {
+        ASSERT(keyBlendIndex < colorbuffers.size());
+        const gl::FramebufferAttachment *attachment = colorbuffers[keyBlendIndex];
+
+        // Do not set blend state for null attachments that may be present when
+        // mrt_perf_workaround is disabled.
+        if (attachment == nullptr)
+        {
+            keyBlendIndex++;
+            continue;
+        }
+
+        const uint8_t colorMask = blendStateExt.getColorMaskIndexed(sourceIndex);
+
+        const gl::InternalFormat &internalFormat = *attachment->getFormat().info;
+
+        key.blendStateExt.setColorMaskIndexed(keyBlendIndex,
+                                              gl_d3d11::GetColorMask(internalFormat) & colorMask);
+        key.rtvMax = static_cast<uint16_t>(keyBlendIndex) + 1;
+
+        // Some D3D11 drivers produce unexpected results when blending is enabled for integer
+        // attachments. Per OpenGL ES spec, it must be ignored anyway. When blending is disabled,
+        // the state remains default to reduce the number of unique keys.
+        if (blendStateExt.getEnabledMask().test(sourceIndex) && !internalFormat.isInt())
+        {
+            key.blendStateExt.setEnabledIndexed(keyBlendIndex, true);
+            key.blendStateExt.setEquationsIndexed(keyBlendIndex, sourceIndex, blendStateExt);
+            key.blendStateExt.setFactorsIndexed(keyBlendIndex, sourceIndex, blendStateExt);
+        }
+        keyBlendIndex++;
+    }
+
+    key.sampleAlphaToCoverage = sampleAlphaToCoverage ? 1 : 0;
+    return key;
+}
+
+angle::Result RenderStateCache::getBlendState(const gl::Context *context,
+                                              Renderer11 *renderer,
+                                              const d3d11::BlendStateKey &key,
+                                              const d3d11::BlendState **outBlendState)
+{
+    auto keyIter = mBlendStateCache.Get(key);
+    if (keyIter != mBlendStateCache.end())
+    {
+        *outBlendState = &keyIter->second;
+        return angle::Result::Continue;
+    }
+
+    TrimCache(kMaxStates, kGCLimit, "blend state", &mBlendStateCache);
+
+    // Create a new blend state and insert it into the cache
+    D3D11_BLEND_DESC blendDesc             = {};  // avoid undefined fields
+    const gl::BlendStateExt &blendStateExt = key.blendStateExt;
+
+    blendDesc.AlphaToCoverageEnable  = key.sampleAlphaToCoverage != 0 ? TRUE : FALSE;
+    blendDesc.IndependentBlendEnable = key.rtvMax > 1 ? TRUE : FALSE;
+
+    // D3D11 API always accepts an array of blend states. Its validity depends on the hardware
+    // feature level. Given that we do not expose GL entrypoints that set per-buffer blend states on
+    // systems lower than FL10_1, this array will be always valid.
+
+    for (size_t i = 0; i < blendStateExt.getDrawBufferCount(); i++)
+    {
+        D3D11_RENDER_TARGET_BLEND_DESC &rtDesc = blendDesc.RenderTarget[i];
+
+        if (blendStateExt.getEnabledMask().test(i))
+        {
+            rtDesc.BlendEnable = true;
+            rtDesc.SrcBlend =
+                gl_d3d11::ConvertBlendFunc(blendStateExt.getSrcColorIndexed(i), false);
+            rtDesc.DestBlend =
+                gl_d3d11::ConvertBlendFunc(blendStateExt.getDstColorIndexed(i), false);
+            rtDesc.BlendOp = gl_d3d11::ConvertBlendOp(blendStateExt.getEquationColorIndexed(i));
+            rtDesc.SrcBlendAlpha =
+                gl_d3d11::ConvertBlendFunc(blendStateExt.getSrcAlphaIndexed(i), true);
+            rtDesc.DestBlendAlpha =
+                gl_d3d11::ConvertBlendFunc(blendStateExt.getDstAlphaIndexed(i), true);
+            rtDesc.BlendOpAlpha =
+                gl_d3d11::ConvertBlendOp(blendStateExt.getEquationAlphaIndexed(i));
+        }
+
+        // blendStateExt.colorMask follows the same packing scheme as
+        // D3D11_RENDER_TARGET_BLEND_DESC.RenderTargetWriteMask
+        rtDesc.RenderTargetWriteMask = blendStateExt.getColorMaskIndexed(i);
+    }
+
+    d3d11::BlendState d3dBlendState;
+    ANGLE_TRY(renderer->allocateResource(GetImplAs<Context11>(context), blendDesc, &d3dBlendState));
+    const auto &iter = mBlendStateCache.Put(key, std::move(d3dBlendState));
+
+    *outBlendState = &iter->second;
+
+    return angle::Result::Continue;
+}
+
+angle::Result RenderStateCache::getRasterizerState(const gl::Context *context,
+                                                   Renderer11 *renderer,
+                                                   const gl::RasterizerState &rasterState,
+                                                   bool scissorEnabled,
+                                                   ID3D11RasterizerState **outRasterizerState)
+{
+    d3d11::RasterizerStateKey key;
+    key.rasterizerState = rasterState;
+    key.scissorEnabled  = scissorEnabled ? 1 : 0;
+
+    auto keyIter = mRasterizerStateCache.Get(key);
+    if (keyIter != mRasterizerStateCache.end())
+    {
+        *outRasterizerState = keyIter->second.get();
+        return angle::Result::Continue;
+    }
+
+    TrimCache(kMaxStates, kGCLimit, "rasterizer state", &mRasterizerStateCache);
+
+    D3D11_CULL_MODE cullMode =
+        gl_d3d11::ConvertCullMode(rasterState.cullFace, rasterState.cullMode);
+
+    // Disable culling if drawing points
+    if (rasterState.pointDrawMode)
+    {
+        cullMode = D3D11_CULL_NONE;
+    }
+
+    D3D11_RASTERIZER_DESC rasterDesc;
+    rasterDesc.FillMode              = D3D11_FILL_SOLID;
+    rasterDesc.CullMode              = cullMode;
+    rasterDesc.FrontCounterClockwise = (rasterState.frontFace == GL_CCW) ? FALSE : TRUE;
+    rasterDesc.DepthBiasClamp = 0.0f;  // MSDN documentation of DepthBiasClamp implies a value of
+                                       // zero will preform no clamping, must be tested though.
+    rasterDesc.DepthClipEnable       = TRUE;
+    rasterDesc.ScissorEnable         = scissorEnabled ? TRUE : FALSE;
+    rasterDesc.MultisampleEnable     = rasterState.multiSample;
+    rasterDesc.AntialiasedLineEnable = FALSE;
+
+    if (rasterState.polygonOffsetFill)
+    {
+        rasterDesc.SlopeScaledDepthBias = rasterState.polygonOffsetFactor;
+        rasterDesc.DepthBias            = (INT)rasterState.polygonOffsetUnits;
+    }
+    else
+    {
+        rasterDesc.SlopeScaledDepthBias = 0.0f;
+        rasterDesc.DepthBias            = 0;
+    }
+
+    d3d11::RasterizerState dx11RasterizerState;
+    ANGLE_TRY(renderer->allocateResource(GetImplAs<Context11>(context), rasterDesc,
+                                         &dx11RasterizerState));
+    *outRasterizerState = dx11RasterizerState.get();
+    mRasterizerStateCache.Put(key, std::move(dx11RasterizerState));
+
+    return angle::Result::Continue;
+}
+
+angle::Result RenderStateCache::getDepthStencilState(const gl::Context *context,
+                                                     Renderer11 *renderer,
+                                                     const gl::DepthStencilState &glState,
+                                                     const d3d11::DepthStencilState **outDSState)
+{
+    auto keyIter = mDepthStencilStateCache.Get(glState);
+    if (keyIter != mDepthStencilStateCache.end())
+    {
+        *outDSState = &keyIter->second;
+        return angle::Result::Continue;
+    }
+
+    TrimCache(kMaxStates, kGCLimit, "depth stencil state", &mDepthStencilStateCache);
+
+    D3D11_DEPTH_STENCIL_DESC dsDesc     = {};
+    dsDesc.DepthEnable                  = glState.depthTest ? TRUE : FALSE;
+    dsDesc.DepthWriteMask               = ConvertDepthMask(glState.depthMask);
+    dsDesc.DepthFunc                    = ConvertComparison(glState.depthFunc);
+    dsDesc.StencilEnable                = glState.stencilTest ? TRUE : FALSE;
+    dsDesc.StencilReadMask              = ConvertStencilMask(glState.stencilMask);
+    dsDesc.StencilWriteMask             = ConvertStencilMask(glState.stencilWritemask);
+    dsDesc.FrontFace.StencilFailOp      = ConvertStencilOp(glState.stencilFail);
+    dsDesc.FrontFace.StencilDepthFailOp = ConvertStencilOp(glState.stencilPassDepthFail);
+    dsDesc.FrontFace.StencilPassOp      = ConvertStencilOp(glState.stencilPassDepthPass);
+    dsDesc.FrontFace.StencilFunc        = ConvertComparison(glState.stencilFunc);
+    dsDesc.BackFace.StencilFailOp       = ConvertStencilOp(glState.stencilBackFail);
+    dsDesc.BackFace.StencilDepthFailOp  = ConvertStencilOp(glState.stencilBackPassDepthFail);
+    dsDesc.BackFace.StencilPassOp       = ConvertStencilOp(glState.stencilBackPassDepthPass);
+    dsDesc.BackFace.StencilFunc         = ConvertComparison(glState.stencilBackFunc);
+
+    d3d11::DepthStencilState dx11DepthStencilState;
+    ANGLE_TRY(
+        renderer->allocateResource(GetImplAs<Context11>(context), dsDesc, &dx11DepthStencilState));
+    const auto &iter = mDepthStencilStateCache.Put(glState, std::move(dx11DepthStencilState));
+
+    *outDSState = &iter->second;
+
+    return angle::Result::Continue;
+}
+
+angle::Result RenderStateCache::getSamplerState(const gl::Context *context,
+                                                Renderer11 *renderer,
+                                                const gl::SamplerState &samplerState,
+                                                ID3D11SamplerState **outSamplerState)
+{
+    auto keyIter = mSamplerStateCache.Get(samplerState);
+    if (keyIter != mSamplerStateCache.end())
+    {
+        *outSamplerState = keyIter->second.get();
+        return angle::Result::Continue;
+    }
+
+    TrimCache(kMaxStates, kGCLimit, "sampler state", &mSamplerStateCache);
+
+    const auto &featureLevel = renderer->getRenderer11DeviceCaps().featureLevel;
+
+    D3D11_SAMPLER_DESC samplerDesc;
+    samplerDesc.Filter =
+        gl_d3d11::ConvertFilter(samplerState.getMinFilter(), samplerState.getMagFilter(),
+                                samplerState.getMaxAnisotropy(), samplerState.getCompareMode());
+    samplerDesc.AddressU   = gl_d3d11::ConvertTextureWrap(samplerState.getWrapS());
+    samplerDesc.AddressV   = gl_d3d11::ConvertTextureWrap(samplerState.getWrapT());
+    samplerDesc.AddressW   = gl_d3d11::ConvertTextureWrap(samplerState.getWrapR());
+    samplerDesc.MipLODBias = 0;
+    samplerDesc.MaxAnisotropy =
+        gl_d3d11::ConvertMaxAnisotropy(samplerState.getMaxAnisotropy(), featureLevel);
+    samplerDesc.ComparisonFunc = gl_d3d11::ConvertComparison(samplerState.getCompareFunc());
+    angle::ColorF borderColor;
+    if (samplerState.getBorderColor().type == angle::ColorGeneric::Type::Float)
+    {
+        borderColor = samplerState.getBorderColor().colorF;
+    }
+    samplerDesc.BorderColor[0] = borderColor.red;
+    samplerDesc.BorderColor[1] = borderColor.green;
+    samplerDesc.BorderColor[2] = borderColor.blue;
+    samplerDesc.BorderColor[3] = borderColor.alpha;
+    samplerDesc.MinLOD         = samplerState.getMinLod();
+    samplerDesc.MaxLOD         = samplerState.getMaxLod();
+
+    if (featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        // Check that maxLOD is nearly FLT_MAX (1000.0f is the default), since 9_3 doesn't support
+        // anything other than FLT_MAX. Note that Feature Level 9_* only supports GL ES 2.0, so the
+        // consumer of ANGLE can't modify the Max LOD themselves.
+        ASSERT(samplerState.getMaxLod() >= 999.9f);
+
+        // Now just set MaxLOD to FLT_MAX. Other parts of the renderer (e.g. the non-zero max LOD
+        // workaround) should take account of this.
+        samplerDesc.MaxLOD = FLT_MAX;
+    }
+
+    d3d11::SamplerState dx11SamplerState;
+    ANGLE_TRY(
+        renderer->allocateResource(GetImplAs<Context11>(context), samplerDesc, &dx11SamplerState));
+    *outSamplerState = dx11SamplerState.get();
+    mSamplerStateCache.Put(samplerState, std::move(dx11SamplerState));
+
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.h
new file mode 100644
index 0000000000..bd853fe86e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.h
@@ -0,0 +1,124 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderStateCache.h: Defines rx::RenderStateCache, a cache of Direct3D render
+// state objects.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_RENDERSTATECACHE_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_RENDERSTATECACHE_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/SizedMRUCache.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include <unordered_map>
+
+namespace std
+{
+template <>
+struct hash<rx::d3d11::BlendStateKey>
+{
+    size_t operator()(const rx::d3d11::BlendStateKey &key) const
+    {
+        return angle::ComputeGenericHash(key);
+    }
+};
+
+template <>
+struct hash<rx::d3d11::RasterizerStateKey>
+{
+    size_t operator()(const rx::d3d11::RasterizerStateKey &key) const
+    {
+        return angle::ComputeGenericHash(key);
+    }
+};
+
+template <>
+struct hash<gl::DepthStencilState>
+{
+    size_t operator()(const gl::DepthStencilState &key) const
+    {
+        return angle::ComputeGenericHash(key);
+    }
+};
+
+template <>
+struct hash<gl::SamplerState>
+{
+    size_t operator()(const gl::SamplerState &key) const { return angle::ComputeGenericHash(key); }
+};
+}  // namespace std
+
+namespace rx
+{
+class Framebuffer11;
+class Renderer11;
+
+class RenderStateCache : angle::NonCopyable
+{
+  public:
+    RenderStateCache();
+    virtual ~RenderStateCache();
+
+    void clear();
+
+    static d3d11::BlendStateKey GetBlendStateKey(const gl::Context *context,
+                                                 Framebuffer11 *framebuffer11,
+                                                 const gl::BlendStateExt &blendStateExt,
+                                                 bool sampleAlphaToCoverage);
+    angle::Result getBlendState(const gl::Context *context,
+                                Renderer11 *renderer,
+                                const d3d11::BlendStateKey &key,
+                                const d3d11::BlendState **outBlendState);
+    angle::Result getRasterizerState(const gl::Context *context,
+                                     Renderer11 *renderer,
+                                     const gl::RasterizerState &rasterState,
+                                     bool scissorEnabled,
+                                     ID3D11RasterizerState **outRasterizerState);
+    angle::Result getDepthStencilState(const gl::Context *context,
+                                       Renderer11 *renderer,
+                                       const gl::DepthStencilState &dsState,
+                                       const d3d11::DepthStencilState **outDSState);
+    angle::Result getSamplerState(const gl::Context *context,
+                                  Renderer11 *renderer,
+                                  const gl::SamplerState &samplerState,
+                                  ID3D11SamplerState **outSamplerState);
+
+  private:
+    // MSDN's documentation of ID3D11Device::CreateBlendState, ID3D11Device::CreateRasterizerState,
+    // ID3D11Device::CreateDepthStencilState and ID3D11Device::CreateSamplerState claims the maximum
+    // number of unique states of each type an application can create is 4096
+    // TODO(ShahmeerEsmail): Revisit the cache sizes to make sure they are appropriate for most
+    // scenarios.
+    static constexpr unsigned int kMaxStates = 4096;
+
+    // The cache tries to clean up this many states at once.
+    static constexpr unsigned int kGCLimit = 128;
+
+    // Blend state cache
+    using BlendStateMap = angle::base::HashingMRUCache<d3d11::BlendStateKey, d3d11::BlendState>;
+    BlendStateMap mBlendStateCache;
+
+    // Rasterizer state cache
+    using RasterizerStateMap =
+        angle::base::HashingMRUCache<d3d11::RasterizerStateKey, d3d11::RasterizerState>;
+    RasterizerStateMap mRasterizerStateCache;
+
+    // Depth stencil state cache
+    using DepthStencilStateMap =
+        angle::base::HashingMRUCache<gl::DepthStencilState, d3d11::DepthStencilState>;
+    DepthStencilStateMap mDepthStencilStateCache;
+
+    // Sample state cache
+    using SamplerStateMap = angle::base::HashingMRUCache<gl::SamplerState, d3d11::SamplerState>;
+    SamplerStateMap mSamplerStateCache;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_RENDERSTATECACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderTarget11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderTarget11.cpp
new file mode 100644
index 0000000000..2f550b5a77
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderTarget11.cpp
@@ -0,0 +1,403 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderTarget11.cpp: Implements a DX11-specific wrapper for ID3D11View pointers
+// retained by Renderbuffers.
+
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/SwapChain11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+namespace rx
+{
+
+namespace
+{
+bool GetTextureProperties(ID3D11Resource *resource, unsigned int *mipLevels, unsigned int *samples)
+{
+    ID3D11Texture1D *texture1D = d3d11::DynamicCastComObject<ID3D11Texture1D>(resource);
+    if (texture1D)
+    {
+        D3D11_TEXTURE1D_DESC texDesc;
+        texture1D->GetDesc(&texDesc);
+        SafeRelease(texture1D);
+
+        *mipLevels = texDesc.MipLevels;
+        *samples   = 0;
+
+        return true;
+    }
+
+    ID3D11Texture2D *texture2D = d3d11::DynamicCastComObject<ID3D11Texture2D>(resource);
+    if (texture2D)
+    {
+        D3D11_TEXTURE2D_DESC texDesc;
+        texture2D->GetDesc(&texDesc);
+        SafeRelease(texture2D);
+
+        *mipLevels = texDesc.MipLevels;
+        *samples   = texDesc.SampleDesc.Count > 1 ? texDesc.SampleDesc.Count : 0;
+
+        return true;
+    }
+
+    ID3D11Texture3D *texture3D = d3d11::DynamicCastComObject<ID3D11Texture3D>(resource);
+    if (texture3D)
+    {
+        D3D11_TEXTURE3D_DESC texDesc;
+        texture3D->GetDesc(&texDesc);
+        SafeRelease(texture3D);
+
+        *mipLevels = texDesc.MipLevels;
+        *samples   = 0;
+
+        return true;
+    }
+
+    return false;
+}
+
+unsigned int GetRTVSubresourceIndex(ID3D11Resource *resource, ID3D11RenderTargetView *view)
+{
+    D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+    view->GetDesc(&rtvDesc);
+
+    unsigned int mipSlice   = 0;
+    unsigned int arraySlice = 0;
+
+    switch (rtvDesc.ViewDimension)
+    {
+        case D3D11_RTV_DIMENSION_TEXTURE1D:
+            mipSlice   = rtvDesc.Texture1D.MipSlice;
+            arraySlice = 0;
+            break;
+
+        case D3D11_RTV_DIMENSION_TEXTURE1DARRAY:
+            mipSlice   = rtvDesc.Texture1DArray.MipSlice;
+            arraySlice = rtvDesc.Texture1DArray.FirstArraySlice;
+            break;
+
+        case D3D11_RTV_DIMENSION_TEXTURE2D:
+            mipSlice   = rtvDesc.Texture2D.MipSlice;
+            arraySlice = 0;
+            break;
+
+        case D3D11_RTV_DIMENSION_TEXTURE2DARRAY:
+            mipSlice   = rtvDesc.Texture2DArray.MipSlice;
+            arraySlice = rtvDesc.Texture2DArray.FirstArraySlice;
+            break;
+
+        case D3D11_RTV_DIMENSION_TEXTURE2DMS:
+            mipSlice   = 0;
+            arraySlice = 0;
+            break;
+
+        case D3D11_RTV_DIMENSION_TEXTURE2DMSARRAY:
+            mipSlice   = 0;
+            arraySlice = rtvDesc.Texture2DMSArray.FirstArraySlice;
+            break;
+
+        case D3D11_RTV_DIMENSION_TEXTURE3D:
+            mipSlice   = rtvDesc.Texture3D.MipSlice;
+            arraySlice = 0;
+            break;
+
+        case D3D11_RTV_DIMENSION_UNKNOWN:
+        case D3D11_RTV_DIMENSION_BUFFER:
+            UNIMPLEMENTED();
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    unsigned int mipLevels, samples;
+    GetTextureProperties(resource, &mipLevels, &samples);
+
+    return D3D11CalcSubresource(mipSlice, arraySlice, mipLevels);
+}
+
+unsigned int GetDSVSubresourceIndex(ID3D11Resource *resource, ID3D11DepthStencilView *view)
+{
+    D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+    view->GetDesc(&dsvDesc);
+
+    unsigned int mipSlice   = 0;
+    unsigned int arraySlice = 0;
+
+    switch (dsvDesc.ViewDimension)
+    {
+        case D3D11_DSV_DIMENSION_TEXTURE1D:
+            mipSlice   = dsvDesc.Texture1D.MipSlice;
+            arraySlice = 0;
+            break;
+
+        case D3D11_DSV_DIMENSION_TEXTURE1DARRAY:
+            mipSlice   = dsvDesc.Texture1DArray.MipSlice;
+            arraySlice = dsvDesc.Texture1DArray.FirstArraySlice;
+            break;
+
+        case D3D11_DSV_DIMENSION_TEXTURE2D:
+            mipSlice   = dsvDesc.Texture2D.MipSlice;
+            arraySlice = 0;
+            break;
+
+        case D3D11_DSV_DIMENSION_TEXTURE2DARRAY:
+            mipSlice   = dsvDesc.Texture2DArray.MipSlice;
+            arraySlice = dsvDesc.Texture2DArray.FirstArraySlice;
+            break;
+
+        case D3D11_DSV_DIMENSION_TEXTURE2DMS:
+            mipSlice   = 0;
+            arraySlice = 0;
+            break;
+
+        case D3D11_DSV_DIMENSION_TEXTURE2DMSARRAY:
+            mipSlice   = 0;
+            arraySlice = dsvDesc.Texture2DMSArray.FirstArraySlice;
+            break;
+
+        case D3D11_DSV_DIMENSION_UNKNOWN:
+            UNIMPLEMENTED();
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    unsigned int mipLevels, samples;
+    GetTextureProperties(resource, &mipLevels, &samples);
+
+    return D3D11CalcSubresource(mipSlice, arraySlice, mipLevels);
+}
+
+GLenum GetSurfaceRTFormat(bool depth, SwapChain11 *swapChain)
+{
+    return (depth ? swapChain->getDepthBufferInternalFormat()
+                  : swapChain->getRenderTargetInternalFormat());
+}
+
+const d3d11::Format &GetSurfaceFormatSet(bool depth, SwapChain11 *swapChain, Renderer11 *renderer)
+{
+    return d3d11::Format::Get(GetSurfaceRTFormat(depth, swapChain),
+                              renderer->getRenderer11DeviceCaps());
+}
+
+}  // anonymous namespace
+
+RenderTarget11::RenderTarget11(const d3d11::Format &formatSet) : mFormatSet(formatSet) {}
+
+RenderTarget11::~RenderTarget11() {}
+
+TextureRenderTarget11::TextureRenderTarget11(d3d11::RenderTargetView &&rtv,
+                                             const TextureHelper11 &resource,
+                                             const d3d11::SharedSRV &srv,
+                                             const d3d11::SharedSRV &blitSRV,
+                                             GLenum internalFormat,
+                                             const d3d11::Format &formatSet,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLsizei depth,
+                                             GLsizei samples)
+    : RenderTarget11(formatSet),
+      mWidth(width),
+      mHeight(height),
+      mDepth(depth),
+      mInternalFormat(internalFormat),
+      mSamples(samples),
+      mSubresourceIndex(0),
+      mTexture(resource),
+      mRenderTarget(std::move(rtv)),
+      mDepthStencil(),
+      mShaderResource(srv.makeCopy()),
+      mBlitShaderResource(blitSRV.makeCopy())
+{
+    if (mRenderTarget.valid() && mTexture.valid())
+    {
+        mSubresourceIndex = GetRTVSubresourceIndex(mTexture.get(), mRenderTarget.get());
+    }
+    ASSERT(mFormatSet.formatID != angle::FormatID::NONE || mWidth == 0 || mHeight == 0);
+}
+
+TextureRenderTarget11::TextureRenderTarget11(d3d11::DepthStencilView &&dsv,
+                                             const TextureHelper11 &resource,
+                                             const d3d11::SharedSRV &srv,
+                                             GLenum internalFormat,
+                                             const d3d11::Format &formatSet,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLsizei depth,
+                                             GLsizei samples)
+    : RenderTarget11(formatSet),
+      mWidth(width),
+      mHeight(height),
+      mDepth(depth),
+      mInternalFormat(internalFormat),
+      mSamples(samples),
+      mSubresourceIndex(0),
+      mTexture(resource),
+      mRenderTarget(),
+      mDepthStencil(std::move(dsv)),
+      mShaderResource(srv.makeCopy()),
+      mBlitShaderResource()
+{
+    if (mDepthStencil.valid() && mTexture.valid())
+    {
+        mSubresourceIndex = GetDSVSubresourceIndex(mTexture.get(), mDepthStencil.get());
+    }
+    ASSERT(mFormatSet.formatID != angle::FormatID::NONE || mWidth == 0 || mHeight == 0);
+}
+
+TextureRenderTarget11::~TextureRenderTarget11() {}
+
+const TextureHelper11 &TextureRenderTarget11::getTexture() const
+{
+    return mTexture;
+}
+
+const d3d11::RenderTargetView &TextureRenderTarget11::getRenderTargetView() const
+{
+    return mRenderTarget;
+}
+
+const d3d11::DepthStencilView &TextureRenderTarget11::getDepthStencilView() const
+{
+    return mDepthStencil;
+}
+
+angle::Result TextureRenderTarget11::getShaderResourceView(const gl::Context *context,
+                                                           const d3d11::SharedSRV **outSRV)
+{
+    *outSRV = &mShaderResource;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureRenderTarget11::getBlitShaderResourceView(const gl::Context *context,
+                                                               const d3d11::SharedSRV **outSRV)
+{
+    *outSRV = &mBlitShaderResource;
+    return angle::Result::Continue;
+}
+
+GLsizei TextureRenderTarget11::getWidth() const
+{
+    return mWidth;
+}
+
+GLsizei TextureRenderTarget11::getHeight() const
+{
+    return mHeight;
+}
+
+GLsizei TextureRenderTarget11::getDepth() const
+{
+    return mDepth;
+}
+
+GLenum TextureRenderTarget11::getInternalFormat() const
+{
+    return mInternalFormat;
+}
+
+GLsizei TextureRenderTarget11::getSamples() const
+{
+    return mSamples;
+}
+
+unsigned int TextureRenderTarget11::getSubresourceIndex() const
+{
+    return mSubresourceIndex;
+}
+
+SurfaceRenderTarget11::SurfaceRenderTarget11(SwapChain11 *swapChain,
+                                             Renderer11 *renderer,
+                                             bool depth)
+    : RenderTarget11(GetSurfaceFormatSet(depth, swapChain, renderer)),
+      mSwapChain(swapChain),
+      mDepth(depth)
+{
+    ASSERT(mSwapChain);
+}
+
+SurfaceRenderTarget11::~SurfaceRenderTarget11() {}
+
+GLsizei SurfaceRenderTarget11::getWidth() const
+{
+    return mSwapChain->getWidth();
+}
+
+GLsizei SurfaceRenderTarget11::getHeight() const
+{
+    return mSwapChain->getHeight();
+}
+
+GLsizei SurfaceRenderTarget11::getDepth() const
+{
+    return 1;
+}
+
+GLenum SurfaceRenderTarget11::getInternalFormat() const
+{
+    return GetSurfaceRTFormat(mDepth, mSwapChain);
+}
+
+GLsizei SurfaceRenderTarget11::getSamples() const
+{
+    return mSwapChain->getSamples();
+}
+
+const TextureHelper11 &SurfaceRenderTarget11::getTexture() const
+{
+    return (mDepth ? mSwapChain->getDepthStencilTexture() : mSwapChain->getOffscreenTexture());
+}
+
+const d3d11::RenderTargetView &SurfaceRenderTarget11::getRenderTargetView() const
+{
+    ASSERT(!mDepth);
+    return mSwapChain->getRenderTarget();
+}
+
+const d3d11::DepthStencilView &SurfaceRenderTarget11::getDepthStencilView() const
+{
+    ASSERT(mDepth);
+    return mSwapChain->getDepthStencil();
+}
+
+angle::Result SurfaceRenderTarget11::getShaderResourceView(const gl::Context *context,
+                                                           const d3d11::SharedSRV **outSRV)
+{
+    if (mDepth)
+    {
+        *outSRV = &mSwapChain->getDepthStencilShaderResource();
+    }
+    else
+    {
+        ANGLE_TRY(mSwapChain->getRenderTargetShaderResource(GetImplAs<Context11>(context), outSRV));
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result SurfaceRenderTarget11::getBlitShaderResourceView(const gl::Context *context,
+                                                               const d3d11::SharedSRV **outSRV)
+{
+    // The SurfaceRenderTargetView format should always be such that the normal SRV works for blits.
+    return getShaderResourceView(context, outSRV);
+}
+
+unsigned int SurfaceRenderTarget11::getSubresourceIndex() const
+{
+    return 0;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderTarget11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderTarget11.h
new file mode 100644
index 0000000000..8467831e3b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/RenderTarget11.h
@@ -0,0 +1,133 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderTarget11.h: Defines a DX11-specific wrapper for ID3D11View pointers
+// retained by Renderbuffers.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_RENDERTARGET11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_RENDERTARGET11_H_
+
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+namespace rx
+{
+class SwapChain11;
+class Renderer11;
+
+class RenderTarget11 : public RenderTargetD3D
+{
+  public:
+    RenderTarget11(const d3d11::Format &formatSet);
+    ~RenderTarget11() override;
+
+    virtual const TextureHelper11 &getTexture() const                                = 0;
+    virtual const d3d11::RenderTargetView &getRenderTargetView() const               = 0;
+    virtual const d3d11::DepthStencilView &getDepthStencilView() const               = 0;
+    virtual angle::Result getShaderResourceView(const gl::Context *context,
+                                                const d3d11::SharedSRV **outSRV)     = 0;
+    virtual angle::Result getBlitShaderResourceView(const gl::Context *context,
+                                                    const d3d11::SharedSRV **outSRV) = 0;
+
+    virtual unsigned int getSubresourceIndex() const = 0;
+
+    const d3d11::Format &getFormatSet() const { return mFormatSet; }
+
+  protected:
+    const d3d11::Format &mFormatSet;
+};
+
+class TextureRenderTarget11 : public RenderTarget11
+{
+  public:
+    // TextureRenderTarget11 takes ownership of any D3D11 resources it is given and will AddRef them
+    TextureRenderTarget11(d3d11::RenderTargetView &&rtv,
+                          const TextureHelper11 &resource,
+                          const d3d11::SharedSRV &srv,
+                          const d3d11::SharedSRV &blitSRV,
+                          GLenum internalFormat,
+                          const d3d11::Format &formatSet,
+                          GLsizei width,
+                          GLsizei height,
+                          GLsizei depth,
+                          GLsizei samples);
+    TextureRenderTarget11(d3d11::DepthStencilView &&dsv,
+                          const TextureHelper11 &resource,
+                          const d3d11::SharedSRV &srv,
+                          GLenum internalFormat,
+                          const d3d11::Format &formatSet,
+                          GLsizei width,
+                          GLsizei height,
+                          GLsizei depth,
+                          GLsizei samples);
+    ~TextureRenderTarget11() override;
+
+    GLsizei getWidth() const override;
+    GLsizei getHeight() const override;
+    GLsizei getDepth() const override;
+    GLenum getInternalFormat() const override;
+    GLsizei getSamples() const override;
+
+    const TextureHelper11 &getTexture() const override;
+    const d3d11::RenderTargetView &getRenderTargetView() const override;
+    const d3d11::DepthStencilView &getDepthStencilView() const override;
+    angle::Result getShaderResourceView(const gl::Context *context,
+                                        const d3d11::SharedSRV **outSRV) override;
+    angle::Result getBlitShaderResourceView(const gl::Context *context,
+                                            const d3d11::SharedSRV **outSRV) override;
+
+    unsigned int getSubresourceIndex() const override;
+
+  private:
+    GLsizei mWidth;
+    GLsizei mHeight;
+    GLsizei mDepth;
+    GLenum mInternalFormat;
+    GLsizei mSamples;
+
+    unsigned int mSubresourceIndex;
+    TextureHelper11 mTexture;
+    d3d11::RenderTargetView mRenderTarget;
+    d3d11::DepthStencilView mDepthStencil;
+    d3d11::SharedSRV mShaderResource;
+
+    // Shader resource view to use with internal blit shaders. Not set for depth/stencil render
+    // targets.
+    d3d11::SharedSRV mBlitShaderResource;
+};
+
+class SurfaceRenderTarget11 : public RenderTarget11
+{
+  public:
+    SurfaceRenderTarget11(SwapChain11 *swapChain, Renderer11 *renderer, bool depth);
+    ~SurfaceRenderTarget11() override;
+
+    GLsizei getWidth() const override;
+    GLsizei getHeight() const override;
+    GLsizei getDepth() const override;
+    GLenum getInternalFormat() const override;
+    GLsizei getSamples() const override;
+
+    const TextureHelper11 &getTexture() const override;
+    const d3d11::RenderTargetView &getRenderTargetView() const override;
+    const d3d11::DepthStencilView &getDepthStencilView() const override;
+    angle::Result getShaderResourceView(const gl::Context *context,
+                                        const d3d11::SharedSRV **outSRV) override;
+    angle::Result getBlitShaderResourceView(const gl::Context *context,
+                                            const d3d11::SharedSRV **outSRV) override;
+
+    unsigned int getSubresourceIndex() const override;
+
+  private:
+    SwapChain11 *mSwapChain;
+    bool mDepth;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_RENDERTARGET11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
new file mode 100644
index 0000000000..fdd264e92b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
@@ -0,0 +1,4454 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Renderer11.cpp: Implements a back-end specific class for the D3D11 renderer.
+
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+
+#include <EGL/eglext.h>
+#include <versionhelpers.h>
+#include <sstream>
+
+#include "anglebase/no_destructor.h"
+#include "common/tls.h"
+#include "common/utilities.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/State.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/histogram_macros.h"
+#include "libANGLE/renderer/d3d/CompilerD3D.h"
+#include "libANGLE/renderer/d3d/DeviceD3D.h"
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+#include "libANGLE/renderer/d3d/SurfaceD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+#include "libANGLE/renderer/d3d/d3d11/Blit11.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Clear11.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.h"
+#include "libANGLE/renderer/d3d/d3d11/Fence11.h"
+#include "libANGLE/renderer/d3d/d3d11/Framebuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Image11.h"
+#include "libANGLE/renderer/d3d/d3d11/IndexBuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/PixelTransfer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Program11.h"
+#include "libANGLE/renderer/d3d/d3d11/Query11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h"
+#include "libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.h"
+#include "libANGLE/renderer/d3d/d3d11/SwapChain11.h"
+#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h"
+#include "libANGLE/renderer/d3d/d3d11/TransformFeedback11.h"
+#include "libANGLE/renderer/d3d/d3d11/Trim11.h"
+#include "libANGLE/renderer/d3d/d3d11/VertexArray11.h"
+#include "libANGLE/renderer/d3d/d3d11/VertexBuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+#include "libANGLE/renderer/d3d/driver_utils_d3d.h"
+#include "libANGLE/renderer/driver_utils.h"
+#include "libANGLE/renderer/dxgi_support_table.h"
+#include "libANGLE/renderer/renderer_utils.h"
+#include "libANGLE/trace.h"
+
+#ifdef ANGLE_ENABLE_WINDOWS_UWP
+#    include "libANGLE/renderer/d3d/d3d11/winrt/NativeWindow11WinRT.h"
+#else
+#    include "libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.h"
+#endif
+
+#ifdef ANGLE_ENABLE_D3D11_COMPOSITOR_NATIVE_WINDOW
+#    include "libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.h"
+#endif
+
+// Enable ANGLE_SKIP_DXGI_1_2_CHECK if there is not a possibility of using cross-process
+// HWNDs or the Windows 7 Platform Update (KB2670838) is expected to be installed.
+#ifndef ANGLE_SKIP_DXGI_1_2_CHECK
+#    define ANGLE_SKIP_DXGI_1_2_CHECK 0
+#endif
+
+namespace rx
+{
+
+namespace
+{
+
+enum
+{
+    MAX_TEXTURE_IMAGE_UNITS_VTF_SM4 = 16
+};
+
+enum ANGLEFeatureLevel
+{
+    ANGLE_FEATURE_LEVEL_INVALID,
+    ANGLE_FEATURE_LEVEL_9_3,
+    ANGLE_FEATURE_LEVEL_10_0,
+    ANGLE_FEATURE_LEVEL_10_1,
+    ANGLE_FEATURE_LEVEL_11_0,
+    ANGLE_FEATURE_LEVEL_11_1,
+    NUM_ANGLE_FEATURE_LEVELS
+};
+
+ANGLEFeatureLevel GetANGLEFeatureLevel(D3D_FEATURE_LEVEL d3dFeatureLevel)
+{
+    switch (d3dFeatureLevel)
+    {
+        case D3D_FEATURE_LEVEL_9_3:
+            return ANGLE_FEATURE_LEVEL_9_3;
+        case D3D_FEATURE_LEVEL_10_0:
+            return ANGLE_FEATURE_LEVEL_10_0;
+        case D3D_FEATURE_LEVEL_10_1:
+            return ANGLE_FEATURE_LEVEL_10_1;
+        case D3D_FEATURE_LEVEL_11_0:
+            return ANGLE_FEATURE_LEVEL_11_0;
+        case D3D_FEATURE_LEVEL_11_1:
+            return ANGLE_FEATURE_LEVEL_11_1;
+        default:
+            return ANGLE_FEATURE_LEVEL_INVALID;
+    }
+}
+
+void SetLineLoopIndices(GLuint *dest, size_t count)
+{
+    for (size_t i = 0; i < count; i++)
+    {
+        dest[i] = static_cast<GLuint>(i);
+    }
+    dest[count] = 0;
+}
+
+template <typename T>
+void CopyLineLoopIndices(const void *indices, GLuint *dest, size_t count)
+{
+    const T *srcPtr = static_cast<const T *>(indices);
+    for (size_t i = 0; i < count; ++i)
+    {
+        dest[i] = static_cast<GLuint>(srcPtr[i]);
+    }
+    dest[count] = static_cast<GLuint>(srcPtr[0]);
+}
+
+void SetTriangleFanIndices(GLuint *destPtr, size_t numTris)
+{
+    for (size_t i = 0; i < numTris; i++)
+    {
+        destPtr[i * 3 + 0] = 0;
+        destPtr[i * 3 + 1] = static_cast<GLuint>(i) + 1;
+        destPtr[i * 3 + 2] = static_cast<GLuint>(i) + 2;
+    }
+}
+
+void GetLineLoopIndices(const void *indices,
+                        gl::DrawElementsType indexType,
+                        GLuint count,
+                        bool usePrimitiveRestartFixedIndex,
+                        std::vector<GLuint> *bufferOut)
+{
+    if (indexType != gl::DrawElementsType::InvalidEnum && usePrimitiveRestartFixedIndex)
+    {
+        size_t indexCount = GetLineLoopWithRestartIndexCount(indexType, count,
+                                                             static_cast<const uint8_t *>(indices));
+        bufferOut->resize(indexCount);
+        switch (indexType)
+        {
+            case gl::DrawElementsType::UnsignedByte:
+                CopyLineLoopIndicesWithRestart<GLubyte, GLuint>(
+                    count, static_cast<const uint8_t *>(indices),
+                    reinterpret_cast<uint8_t *>(bufferOut->data()));
+                break;
+            case gl::DrawElementsType::UnsignedShort:
+                CopyLineLoopIndicesWithRestart<GLushort, GLuint>(
+                    count, static_cast<const uint8_t *>(indices),
+                    reinterpret_cast<uint8_t *>(bufferOut->data()));
+                break;
+            case gl::DrawElementsType::UnsignedInt:
+                CopyLineLoopIndicesWithRestart<GLuint, GLuint>(
+                    count, static_cast<const uint8_t *>(indices),
+                    reinterpret_cast<uint8_t *>(bufferOut->data()));
+                break;
+            default:
+                UNREACHABLE();
+                break;
+        }
+        return;
+    }
+
+    // For non-primitive-restart draws, the index count is static.
+    bufferOut->resize(static_cast<size_t>(count) + 1);
+
+    switch (indexType)
+    {
+        // Non-indexed draw
+        case gl::DrawElementsType::InvalidEnum:
+            SetLineLoopIndices(&(*bufferOut)[0], count);
+            break;
+        case gl::DrawElementsType::UnsignedByte:
+            CopyLineLoopIndices<GLubyte>(indices, &(*bufferOut)[0], count);
+            break;
+        case gl::DrawElementsType::UnsignedShort:
+            CopyLineLoopIndices<GLushort>(indices, &(*bufferOut)[0], count);
+            break;
+        case gl::DrawElementsType::UnsignedInt:
+            CopyLineLoopIndices<GLuint>(indices, &(*bufferOut)[0], count);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+template <typename T>
+void CopyTriangleFanIndices(const void *indices, GLuint *destPtr, size_t numTris)
+{
+    const T *srcPtr = static_cast<const T *>(indices);
+
+    for (size_t i = 0; i < numTris; i++)
+    {
+        destPtr[i * 3 + 0] = static_cast<GLuint>(srcPtr[0]);
+        destPtr[i * 3 + 1] = static_cast<GLuint>(srcPtr[i + 1]);
+        destPtr[i * 3 + 2] = static_cast<GLuint>(srcPtr[i + 2]);
+    }
+}
+
+template <typename T>
+void CopyTriangleFanIndicesWithRestart(const void *indices,
+                                       GLuint indexCount,
+                                       gl::DrawElementsType indexType,
+                                       std::vector<GLuint> *bufferOut)
+{
+    GLuint restartIndex    = gl::GetPrimitiveRestartIndex(indexType);
+    GLuint d3dRestartIndex = gl::GetPrimitiveRestartIndex(gl::DrawElementsType::UnsignedInt);
+    const T *srcPtr        = static_cast<const T *>(indices);
+    Optional<GLuint> vertexA;
+    Optional<GLuint> vertexB;
+
+    bufferOut->clear();
+
+    for (size_t indexIdx = 0; indexIdx < indexCount; ++indexIdx)
+    {
+        GLuint value = static_cast<GLuint>(srcPtr[indexIdx]);
+
+        if (value == restartIndex)
+        {
+            bufferOut->push_back(d3dRestartIndex);
+            vertexA.reset();
+            vertexB.reset();
+        }
+        else
+        {
+            if (!vertexA.valid())
+            {
+                vertexA = value;
+            }
+            else if (!vertexB.valid())
+            {
+                vertexB = value;
+            }
+            else
+            {
+                bufferOut->push_back(vertexA.value());
+                bufferOut->push_back(vertexB.value());
+                bufferOut->push_back(value);
+                vertexB = value;
+            }
+        }
+    }
+}
+
+void GetTriFanIndices(const void *indices,
+                      gl::DrawElementsType indexType,
+                      GLuint count,
+                      bool usePrimitiveRestartFixedIndex,
+                      std::vector<GLuint> *bufferOut)
+{
+    if (indexType != gl::DrawElementsType::InvalidEnum && usePrimitiveRestartFixedIndex)
+    {
+        switch (indexType)
+        {
+            case gl::DrawElementsType::UnsignedByte:
+                CopyTriangleFanIndicesWithRestart<GLubyte>(indices, count, indexType, bufferOut);
+                break;
+            case gl::DrawElementsType::UnsignedShort:
+                CopyTriangleFanIndicesWithRestart<GLushort>(indices, count, indexType, bufferOut);
+                break;
+            case gl::DrawElementsType::UnsignedInt:
+                CopyTriangleFanIndicesWithRestart<GLuint>(indices, count, indexType, bufferOut);
+                break;
+            default:
+                UNREACHABLE();
+                break;
+        }
+        return;
+    }
+
+    // For non-primitive-restart draws, the index count is static.
+    GLuint numTris = count - 2;
+    bufferOut->resize(numTris * 3);
+
+    switch (indexType)
+    {
+        // Non-indexed draw
+        case gl::DrawElementsType::InvalidEnum:
+            SetTriangleFanIndices(&(*bufferOut)[0], numTris);
+            break;
+        case gl::DrawElementsType::UnsignedByte:
+            CopyTriangleFanIndices<GLubyte>(indices, &(*bufferOut)[0], numTris);
+            break;
+        case gl::DrawElementsType::UnsignedShort:
+            CopyTriangleFanIndices<GLushort>(indices, &(*bufferOut)[0], numTris);
+            break;
+        case gl::DrawElementsType::UnsignedInt:
+            CopyTriangleFanIndices<GLuint>(indices, &(*bufferOut)[0], numTris);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+bool IsArrayRTV(ID3D11RenderTargetView *rtv)
+{
+    D3D11_RENDER_TARGET_VIEW_DESC desc;
+    rtv->GetDesc(&desc);
+    if (desc.ViewDimension == D3D11_RTV_DIMENSION_TEXTURE1DARRAY &&
+        desc.Texture1DArray.ArraySize > 1)
+        return true;
+    if (desc.ViewDimension == D3D11_RTV_DIMENSION_TEXTURE2DARRAY &&
+        desc.Texture2DArray.ArraySize > 1)
+        return true;
+    if (desc.ViewDimension == D3D11_RTV_DIMENSION_TEXTURE2DMSARRAY &&
+        desc.Texture2DMSArray.ArraySize > 1)
+        return true;
+    return false;
+}
+
+GLsizei GetAdjustedInstanceCount(const ProgramD3D *program, GLsizei instanceCount)
+{
+    if (!program->getState().usesMultiview())
+    {
+        return instanceCount;
+    }
+    if (instanceCount == 0)
+    {
+        return program->getState().getNumViews();
+    }
+    return program->getState().getNumViews() * instanceCount;
+}
+
+const uint32_t ScratchMemoryBufferLifetime = 1000;
+
+void PopulateFormatDeviceCaps(ID3D11Device *device,
+                              DXGI_FORMAT format,
+                              UINT *outSupport,
+                              UINT *outMaxSamples)
+{
+    if (FAILED(device->CheckFormatSupport(format, outSupport)))
+    {
+        *outSupport = 0;
+    }
+
+    *outMaxSamples = 0;
+    for (UINT sampleCount = 2; sampleCount <= D3D11_MAX_MULTISAMPLE_SAMPLE_COUNT; sampleCount *= 2)
+    {
+        UINT qualityCount = 0;
+        if (FAILED(device->CheckMultisampleQualityLevels(format, sampleCount, &qualityCount)) ||
+            qualityCount == 0)
+        {
+            break;
+        }
+
+        *outMaxSamples = sampleCount;
+    }
+}
+
+angle::Result GetTextureD3DResourceFromStorageOrImage(const gl::Context *context,
+                                                      TextureD3D *texture,
+                                                      const gl::ImageIndex &index,
+                                                      const TextureHelper11 **outResource,
+                                                      UINT *outSubresource)
+{
+    // If the storage exists, use it. Otherwise, copy directly from the images to avoid
+    // allocating a new storage.
+    if (texture->hasStorage())
+    {
+        TextureStorage *storage = nullptr;
+        ANGLE_TRY(texture->getNativeTexture(context, &storage));
+
+        TextureStorage11 *storage11 = GetAs<TextureStorage11>(storage);
+        ANGLE_TRY(storage11->getResource(context, outResource));
+        ANGLE_TRY(storage11->getSubresourceIndex(context, index, outSubresource));
+    }
+    else
+    {
+        ImageD3D *image  = texture->getImage(index);
+        Image11 *image11 = GetAs<Image11>(image);
+        ANGLE_TRY(image11->getStagingTexture(context, outResource, outSubresource));
+    }
+
+    return angle::Result::Continue;
+}
+
+}  // anonymous namespace
+
+Renderer11DeviceCaps::Renderer11DeviceCaps() = default;
+
+Renderer11::Renderer11(egl::Display *display)
+    : RendererD3D(display),
+      mCreateDebugDevice(false),
+      mStateCache(),
+      mStateManager(this),
+      mLastHistogramUpdateTime(
+          ANGLEPlatformCurrent()->monotonicallyIncreasingTime(ANGLEPlatformCurrent())),
+      mDebug(nullptr),
+      mScratchMemoryBuffer(ScratchMemoryBufferLifetime)
+{
+    mLineLoopIB    = nullptr;
+    mTriangleFanIB = nullptr;
+
+    mBlit          = nullptr;
+    mPixelTransfer = nullptr;
+
+    mClear = nullptr;
+
+    mTrim = nullptr;
+
+    mRenderer11DeviceCaps.supportsClearView                      = false;
+    mRenderer11DeviceCaps.supportsConstantBufferOffsets          = false;
+    mRenderer11DeviceCaps.supportsVpRtIndexWriteFromVertexShader = false;
+    mRenderer11DeviceCaps.supportsDXGI1_2                        = false;
+    mRenderer11DeviceCaps.allowES3OnFL10_0                       = false;
+    mRenderer11DeviceCaps.supportsTypedUAVLoadAdditionalFormats  = false;
+    mRenderer11DeviceCaps.supportsRasterizerOrderViews           = false;
+    mRenderer11DeviceCaps.B5G6R5support                          = 0;
+    mRenderer11DeviceCaps.B4G4R4A4support                        = 0;
+    mRenderer11DeviceCaps.B5G5R5A1support                        = 0;
+
+    mD3d11Module          = nullptr;
+    mD3d12Module          = nullptr;
+    mDxgiModule           = nullptr;
+    mDCompModule          = nullptr;
+    mCreatedWithDeviceEXT = false;
+
+    mDevice         = nullptr;
+    mDevice1        = nullptr;
+    mDeviceContext  = nullptr;
+    mDeviceContext1 = nullptr;
+    mDeviceContext3 = nullptr;
+    mDxgiAdapter    = nullptr;
+    mDxgiFactory    = nullptr;
+
+    ZeroMemory(&mAdapterDescription, sizeof(mAdapterDescription));
+
+    const auto &attributes = mDisplay->getAttributeMap();
+
+    if (mDisplay->getPlatform() == EGL_PLATFORM_ANGLE_ANGLE)
+    {
+        EGLint requestedMajorVersion = static_cast<EGLint>(
+            attributes.get(EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE, EGL_DONT_CARE));
+        EGLint requestedMinorVersion = static_cast<EGLint>(
+            attributes.get(EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE, EGL_DONT_CARE));
+
+        if (requestedMajorVersion == EGL_DONT_CARE || requestedMajorVersion >= 11)
+        {
+            if (requestedMinorVersion == EGL_DONT_CARE || requestedMinorVersion >= 1)
+            {
+                // This could potentially lead to failed context creation if done on a system
+                // without the platform update which installs DXGI 1.2. Currently, for Chrome users
+                // D3D11 contexts are only created if the platform update is available, so this
+                // should not cause any issues.
+                mAvailableFeatureLevels.push_back(D3D_FEATURE_LEVEL_11_1);
+            }
+            if (requestedMinorVersion == EGL_DONT_CARE || requestedMinorVersion >= 0)
+            {
+                mAvailableFeatureLevels.push_back(D3D_FEATURE_LEVEL_11_0);
+            }
+        }
+
+        if (requestedMajorVersion == EGL_DONT_CARE || requestedMajorVersion >= 10)
+        {
+            if (requestedMinorVersion == EGL_DONT_CARE || requestedMinorVersion >= 1)
+            {
+                mAvailableFeatureLevels.push_back(D3D_FEATURE_LEVEL_10_1);
+            }
+            if (requestedMinorVersion == EGL_DONT_CARE || requestedMinorVersion >= 0)
+            {
+                mAvailableFeatureLevels.push_back(D3D_FEATURE_LEVEL_10_0);
+            }
+        }
+
+        if (requestedMajorVersion == 9 && requestedMinorVersion == 3)
+        {
+            mAvailableFeatureLevels.push_back(D3D_FEATURE_LEVEL_9_3);
+        }
+
+        EGLint requestedDeviceType = static_cast<EGLint>(attributes.get(
+            EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE));
+        switch (requestedDeviceType)
+        {
+            case EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE:
+                mRequestedDriverType = D3D_DRIVER_TYPE_HARDWARE;
+                break;
+
+            case EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE:
+                mRequestedDriverType = D3D_DRIVER_TYPE_WARP;
+                break;
+
+            case EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_REFERENCE_ANGLE:
+                mRequestedDriverType = D3D_DRIVER_TYPE_REFERENCE;
+                break;
+
+            case EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE:
+                mRequestedDriverType = D3D_DRIVER_TYPE_NULL;
+                break;
+
+            default:
+                UNREACHABLE();
+        }
+
+        mCreateDebugDevice = ShouldUseDebugLayers(attributes);
+    }
+    else if (mDisplay->getPlatform() == EGL_PLATFORM_DEVICE_EXT)
+    {
+        ASSERT(mDisplay->getDevice() != nullptr);
+        mCreatedWithDeviceEXT = true;
+
+        // Also set EGL_PLATFORM_ANGLE_ANGLE variables, in case they're used elsewhere in ANGLE
+        // mAvailableFeatureLevels defaults to empty
+        mRequestedDriverType = D3D_DRIVER_TYPE_UNKNOWN;
+    }
+
+    const EGLenum presentPath = static_cast<EGLenum>(attributes.get(
+        EGL_EXPERIMENTAL_PRESENT_PATH_ANGLE, EGL_EXPERIMENTAL_PRESENT_PATH_COPY_ANGLE));
+    mPresentPathFastEnabled   = (presentPath == EGL_EXPERIMENTAL_PRESENT_PATH_FAST_ANGLE);
+}
+
+Renderer11::~Renderer11()
+{
+    release();
+}
+
+#ifndef __d3d11_1_h__
+#    define D3D11_MESSAGE_ID_DEVICE_DRAW_RENDERTARGETVIEW_NOT_SET ((D3D11_MESSAGE_ID)3146081)
+#endif
+
+egl::Error Renderer11::initialize()
+{
+    HRESULT result = S_OK;
+
+    ANGLE_TRY(initializeD3DDevice());
+
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP)
+#    if !ANGLE_SKIP_DXGI_1_2_CHECK
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "Renderer11::initialize (DXGICheck)");
+        // In order to create a swap chain for an HWND owned by another process, DXGI 1.2 is
+        // required.
+        // The easiest way to check is to query for a IDXGIDevice2.
+        bool requireDXGI1_2 = false;
+        HWND hwnd           = WindowFromDC(mDisplay->getNativeDisplayId());
+        if (hwnd)
+        {
+            DWORD currentProcessId = GetCurrentProcessId();
+            DWORD wndProcessId;
+            GetWindowThreadProcessId(hwnd, &wndProcessId);
+            requireDXGI1_2 = (currentProcessId != wndProcessId);
+        }
+        else
+        {
+            requireDXGI1_2 = true;
+        }
+
+        if (requireDXGI1_2)
+        {
+            IDXGIDevice2 *dxgiDevice2 = nullptr;
+            result = mDevice->QueryInterface(__uuidof(IDXGIDevice2), (void **)&dxgiDevice2);
+            if (FAILED(result))
+            {
+                return egl::EglNotInitialized(D3D11_INIT_INCOMPATIBLE_DXGI)
+                       << "DXGI 1.2 required to present to HWNDs owned by another process.";
+            }
+            SafeRelease(dxgiDevice2);
+        }
+    }
+#    endif
+#endif
+
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "Renderer11::initialize (ComQueries)");
+        // Cast the DeviceContext to a DeviceContext1 and DeviceContext3.
+        // This could fail on Windows 7 without the Platform Update.
+        // Don't error in this case- just don't use mDeviceContext1 or mDeviceContext3.
+        mDeviceContext1 = d3d11::DynamicCastComObject<ID3D11DeviceContext1>(mDeviceContext);
+        mDeviceContext3 = d3d11::DynamicCastComObject<ID3D11DeviceContext3>(mDeviceContext);
+
+        IDXGIDevice *dxgiDevice = nullptr;
+        result = mDevice->QueryInterface(__uuidof(IDXGIDevice), (void **)&dxgiDevice);
+
+        if (FAILED(result))
+        {
+            return egl::EglNotInitialized(D3D11_INIT_OTHER_ERROR) << "Could not query DXGI device.";
+        }
+
+        result = dxgiDevice->GetParent(__uuidof(IDXGIAdapter), (void **)&mDxgiAdapter);
+
+        if (FAILED(result))
+        {
+            return egl::EglNotInitialized(D3D11_INIT_OTHER_ERROR)
+                   << "Could not retrieve DXGI adapter";
+        }
+
+        SafeRelease(dxgiDevice);
+
+        IDXGIAdapter2 *dxgiAdapter2 = d3d11::DynamicCastComObject<IDXGIAdapter2>(mDxgiAdapter);
+
+        // On D3D_FEATURE_LEVEL_9_*, IDXGIAdapter::GetDesc returns "Software Adapter" for the
+        // description string.
+        // If DXGI1.2 is available then IDXGIAdapter2::GetDesc2 can be used to get the actual
+        // hardware values.
+        if (mRenderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3 && dxgiAdapter2 != nullptr)
+        {
+            DXGI_ADAPTER_DESC2 adapterDesc2 = {};
+            result                          = dxgiAdapter2->GetDesc2(&adapterDesc2);
+            if (SUCCEEDED(result))
+            {
+                // Copy the contents of the DXGI_ADAPTER_DESC2 into mAdapterDescription (a
+                // DXGI_ADAPTER_DESC).
+                memcpy(mAdapterDescription.Description, adapterDesc2.Description,
+                       sizeof(mAdapterDescription.Description));
+                mAdapterDescription.VendorId              = adapterDesc2.VendorId;
+                mAdapterDescription.DeviceId              = adapterDesc2.DeviceId;
+                mAdapterDescription.SubSysId              = adapterDesc2.SubSysId;
+                mAdapterDescription.Revision              = adapterDesc2.Revision;
+                mAdapterDescription.DedicatedVideoMemory  = adapterDesc2.DedicatedVideoMemory;
+                mAdapterDescription.DedicatedSystemMemory = adapterDesc2.DedicatedSystemMemory;
+                mAdapterDescription.SharedSystemMemory    = adapterDesc2.SharedSystemMemory;
+                mAdapterDescription.AdapterLuid           = adapterDesc2.AdapterLuid;
+            }
+        }
+        else
+        {
+            result = mDxgiAdapter->GetDesc(&mAdapterDescription);
+        }
+
+        SafeRelease(dxgiAdapter2);
+
+        if (FAILED(result))
+        {
+            return egl::EglNotInitialized(D3D11_INIT_OTHER_ERROR)
+                   << "Could not read DXGI adaptor description.";
+        }
+
+        memset(mDescription, 0, sizeof(mDescription));
+        wcstombs(mDescription, mAdapterDescription.Description, sizeof(mDescription) - 1);
+
+        result = mDxgiAdapter->GetParent(__uuidof(IDXGIFactory), (void **)&mDxgiFactory);
+
+        if (!mDxgiFactory || FAILED(result))
+        {
+            return egl::EglNotInitialized(D3D11_INIT_OTHER_ERROR)
+                   << "Could not create DXGI factory.";
+        }
+    }
+
+    // Disable some spurious D3D11 debug warnings to prevent them from flooding the output log
+    if (mCreateDebugDevice)
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "Renderer11::initialize (HideWarnings)");
+        ID3D11InfoQueue *infoQueue;
+        result = mDevice->QueryInterface(__uuidof(ID3D11InfoQueue), (void **)&infoQueue);
+
+        if (SUCCEEDED(result))
+        {
+            D3D11_MESSAGE_ID hideMessages[] = {
+                D3D11_MESSAGE_ID_DEVICE_DRAW_RENDERTARGETVIEW_NOT_SET,
+
+                // Robust access behaviour makes out of bounds messages safe
+                D3D11_MESSAGE_ID_DEVICE_DRAW_VERTEX_BUFFER_TOO_SMALL,
+            };
+
+            D3D11_INFO_QUEUE_FILTER filter = {};
+            filter.DenyList.NumIDs         = static_cast<unsigned int>(ArraySize(hideMessages));
+            filter.DenyList.pIDList        = hideMessages;
+
+            infoQueue->AddStorageFilterEntries(&filter);
+            SafeRelease(infoQueue);
+        }
+    }
+
+#if !defined(NDEBUG)
+    mDebug = d3d11::DynamicCastComObject<ID3D11Debug>(mDevice);
+#endif
+
+    ANGLE_TRY(initializeDevice());
+
+    return egl::NoError();
+}
+
+HRESULT Renderer11::callD3D11CreateDevice(PFN_D3D11_CREATE_DEVICE createDevice, bool debug)
+{
+    angle::ComPtr<IDXGIAdapter> adapter;
+
+    const egl::AttributeMap &attributes = mDisplay->getAttributeMap();
+    // Check EGL_ANGLE_platform_angle_d3d_luid
+    long high = static_cast<long>(attributes.get(EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE, 0));
+    unsigned long low =
+        static_cast<unsigned long>(attributes.get(EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE, 0));
+    // Check EGL_ANGLE_platform_angle_device_id
+    if (high == 0 && low == 0)
+    {
+        high = static_cast<long>(attributes.get(EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE, 0));
+        low = static_cast<unsigned long>(attributes.get(EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE, 0));
+    }
+    if (high != 0 || low != 0)
+    {
+        angle::ComPtr<IDXGIFactory1> factory;
+        if (SUCCEEDED(CreateDXGIFactory1(IID_PPV_ARGS(&factory))))
+        {
+            angle::ComPtr<IDXGIAdapter> temp;
+            for (UINT i = 0; SUCCEEDED(factory->EnumAdapters(i, &temp)); i++)
+            {
+                DXGI_ADAPTER_DESC desc;
+                if (SUCCEEDED(temp->GetDesc(&desc)))
+                {
+                    // EGL_ANGLE_platform_angle_d3d_luid
+                    if (desc.AdapterLuid.HighPart == high && desc.AdapterLuid.LowPart == low)
+                    {
+                        adapter = temp;
+                        break;
+                    }
+
+                    // EGL_ANGLE_platform_angle_device_id
+                    // NOTE: If there are multiple GPUs with the same PCI
+                    // vendor and device IDs, this will arbitrarily choose one
+                    // of them. To select a specific GPU, use the LUID instead.
+                    if ((high == 0 || desc.VendorId == static_cast<UINT>(high)) &&
+                        (low == 0 || desc.DeviceId == static_cast<UINT>(low)))
+                    {
+                        adapter = temp;
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    // If adapter is not nullptr, the driver type must be D3D_DRIVER_TYPE_UNKNOWN or
+    // D3D11CreateDevice will return E_INVALIDARG.
+    return createDevice(
+        adapter.Get(), adapter ? D3D_DRIVER_TYPE_UNKNOWN : mRequestedDriverType, nullptr,
+        debug ? D3D11_CREATE_DEVICE_DEBUG : 0, mAvailableFeatureLevels.data(),
+        static_cast<unsigned int>(mAvailableFeatureLevels.size()), D3D11_SDK_VERSION, &mDevice,
+        &(mRenderer11DeviceCaps.featureLevel), &mDeviceContext);
+}
+
+HRESULT Renderer11::callD3D11On12CreateDevice(PFN_D3D12_CREATE_DEVICE createDevice12,
+                                              PFN_D3D11ON12_CREATE_DEVICE createDevice11on12,
+                                              bool debug)
+{
+    angle::ComPtr<IDXGIFactory4> factory;
+    HRESULT result = CreateDXGIFactory1(IID_PPV_ARGS(&factory));
+    if (FAILED(result))
+    {
+        return result;
+    }
+
+    if (mRequestedDriverType == D3D_DRIVER_TYPE_WARP)
+    {
+        angle::ComPtr<IDXGIAdapter> warpAdapter;
+        result = factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter));
+        if (SUCCEEDED(result))
+        {
+            result = createDevice12(warpAdapter.Get(), mAvailableFeatureLevels[0],
+                                    IID_PPV_ARGS(&mDevice12));
+        }
+    }
+    else
+    {
+        // Passing nullptr into pAdapter chooses the default adapter which will be the hardware
+        // adapter if it exists.
+        result = createDevice12(nullptr, mAvailableFeatureLevels[0], IID_PPV_ARGS(&mDevice12));
+    }
+
+    if (SUCCEEDED(result))
+    {
+        D3D12_COMMAND_QUEUE_DESC queueDesc = {};
+        queueDesc.Flags                    = D3D12_COMMAND_QUEUE_FLAG_NONE;
+        queueDesc.Type                     = D3D12_COMMAND_LIST_TYPE_DIRECT;
+        result = mDevice12->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&mCommandQueue));
+    }
+
+    if (SUCCEEDED(result))
+    {
+        result = createDevice11on12(
+            mDevice12.Get(), debug ? D3D11_CREATE_DEVICE_DEBUG : 0, mAvailableFeatureLevels.data(),
+            static_cast<unsigned int>(mAvailableFeatureLevels.size()),
+            reinterpret_cast<IUnknown **>(mCommandQueue.GetAddressOf()), 1 /* NumQueues */,
+            0 /* NodeMask */, &mDevice, &mDeviceContext, &(mRenderer11DeviceCaps.featureLevel));
+    }
+
+    return result;
+}
+
+egl::Error Renderer11::initializeD3DDevice()
+{
+    HRESULT result             = S_OK;
+    bool createD3D11on12Device = false;
+
+    if (!mCreatedWithDeviceEXT)
+    {
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP)
+        PFN_D3D11_CREATE_DEVICE D3D11CreateDevice         = nullptr;
+        PFN_D3D12_CREATE_DEVICE D3D12CreateDevice         = nullptr;
+        PFN_D3D11ON12_CREATE_DEVICE D3D11On12CreateDevice = nullptr;
+        {
+            ANGLE_TRACE_EVENT0("gpu.angle", "Renderer11::initialize (Load DLLs)");
+            mDxgiModule  = LoadLibrary(TEXT("dxgi.dll"));
+            mD3d11Module = LoadLibrary(TEXT("d3d11.dll"));
+            mDCompModule = LoadLibrary(TEXT("dcomp.dll"));
+
+            // create the D3D11 device
+            ASSERT(mDevice == nullptr);
+
+            const egl::AttributeMap &attributes = mDisplay->getAttributeMap();
+            createD3D11on12Device =
+                attributes.get(EGL_PLATFORM_ANGLE_D3D11ON12_ANGLE, EGL_FALSE) == EGL_TRUE;
+
+            if (createD3D11on12Device)
+            {
+                mD3d12Module = LoadLibrary(TEXT("d3d12.dll"));
+                if (mD3d12Module == nullptr)
+                {
+                    return egl::EglNotInitialized(D3D11_INIT_MISSING_DEP)
+                           << "Could not load D3D12 library.";
+                }
+
+                D3D12CreateDevice = reinterpret_cast<PFN_D3D12_CREATE_DEVICE>(
+                    GetProcAddress(mD3d12Module, "D3D12CreateDevice"));
+                if (D3D12CreateDevice == nullptr)
+                {
+                    return egl::EglNotInitialized(D3D11_INIT_MISSING_DEP)
+                           << "Could not retrieve D3D12CreateDevice address.";
+                }
+
+                D3D11On12CreateDevice = reinterpret_cast<PFN_D3D11ON12_CREATE_DEVICE>(
+                    GetProcAddress(mD3d11Module, "D3D11On12CreateDevice"));
+                if (D3D11On12CreateDevice == nullptr)
+                {
+                    return egl::EglNotInitialized(D3D11_INIT_MISSING_DEP)
+                           << "Could not retrieve D3D11On12CreateDevice address.";
+                }
+            }
+            else
+            {
+                if (mD3d11Module == nullptr || mDxgiModule == nullptr)
+                {
+                    return egl::EglNotInitialized(D3D11_INIT_MISSING_DEP)
+                           << "Could not load D3D11 or DXGI library.";
+                }
+
+                D3D11CreateDevice = reinterpret_cast<PFN_D3D11_CREATE_DEVICE>(
+                    GetProcAddress(mD3d11Module, "D3D11CreateDevice"));
+
+                if (D3D11CreateDevice == nullptr)
+                {
+                    return egl::EglNotInitialized(D3D11_INIT_MISSING_DEP)
+                           << "Could not retrieve D3D11CreateDevice address.";
+                }
+            }
+        }
+#endif
+
+        if (mCreateDebugDevice)
+        {
+            ANGLE_TRACE_EVENT0("gpu.angle", "D3D11CreateDevice (Debug)");
+            if (createD3D11on12Device)
+            {
+                result = callD3D11On12CreateDevice(D3D12CreateDevice, D3D11On12CreateDevice, true);
+            }
+            else
+            {
+                result = callD3D11CreateDevice(D3D11CreateDevice, true);
+            }
+
+            if (result == E_INVALIDARG && mAvailableFeatureLevels.size() > 1u &&
+                mAvailableFeatureLevels[0] == D3D_FEATURE_LEVEL_11_1)
+            {
+                // On older Windows platforms, D3D11.1 is not supported which returns E_INVALIDARG.
+                // Try again without passing D3D_FEATURE_LEVEL_11_1 in case we have other feature
+                // levels to fall back on.
+                mAvailableFeatureLevels.erase(mAvailableFeatureLevels.begin());
+                if (createD3D11on12Device)
+                {
+                    result =
+                        callD3D11On12CreateDevice(D3D12CreateDevice, D3D11On12CreateDevice, true);
+                }
+                else
+                {
+                    result = callD3D11CreateDevice(D3D11CreateDevice, true);
+                }
+            }
+
+            if (!mDevice || FAILED(result))
+            {
+                WARN() << "Failed creating Debug D3D11 device - falling back to release runtime.";
+            }
+        }
+
+        if (!mDevice || FAILED(result))
+        {
+            ANGLE_TRACE_EVENT0("gpu.angle", "D3D11CreateDevice");
+            if (createD3D11on12Device)
+            {
+                result = callD3D11On12CreateDevice(D3D12CreateDevice, D3D11On12CreateDevice, false);
+            }
+            else
+            {
+                result = callD3D11CreateDevice(D3D11CreateDevice, false);
+            }
+
+            if (result == E_INVALIDARG && mAvailableFeatureLevels.size() > 1u &&
+                mAvailableFeatureLevels[0] == D3D_FEATURE_LEVEL_11_1)
+            {
+                // On older Windows platforms, D3D11.1 is not supported which returns E_INVALIDARG.
+                // Try again without passing D3D_FEATURE_LEVEL_11_1 in case we have other feature
+                // levels to fall back on.
+                mAvailableFeatureLevels.erase(mAvailableFeatureLevels.begin());
+                if (createD3D11on12Device)
+                {
+                    result =
+                        callD3D11On12CreateDevice(D3D12CreateDevice, D3D11On12CreateDevice, false);
+                }
+                else
+                {
+                    result = callD3D11CreateDevice(D3D11CreateDevice, false);
+                }
+            }
+
+            // Cleanup done by destructor
+            if (!mDevice || FAILED(result))
+            {
+                ANGLE_HISTOGRAM_SPARSE_SLOWLY("GPU.ANGLE.D3D11CreateDeviceError",
+                                              static_cast<int>(result));
+                return egl::EglNotInitialized(D3D11_INIT_CREATEDEVICE_ERROR)
+                       << "Could not create D3D11 device.";
+            }
+        }
+    }
+    else
+    {
+        DeviceD3D *deviceD3D = GetImplAs<DeviceD3D>(mDisplay->getDevice());
+        ASSERT(deviceD3D != nullptr);
+
+        // We should use the inputted D3D11 device instead
+        void *device = nullptr;
+        ANGLE_TRY(deviceD3D->getAttribute(mDisplay, EGL_D3D11_DEVICE_ANGLE, &device));
+
+        ID3D11Device *d3dDevice = static_cast<ID3D11Device *>(device);
+        if (FAILED(d3dDevice->GetDeviceRemovedReason()))
+        {
+            return egl::EglNotInitialized() << "Inputted D3D11 device has been lost.";
+        }
+
+        if (d3dDevice->GetFeatureLevel() < D3D_FEATURE_LEVEL_9_3)
+        {
+            return egl::EglNotInitialized()
+                   << "Inputted D3D11 device must be Feature Level 9_3 or greater.";
+        }
+
+        // The Renderer11 adds a ref to the inputted D3D11 device, like D3D11CreateDevice does.
+        mDevice = d3dDevice;
+        mDevice->AddRef();
+        mDevice->GetImmediateContext(&mDeviceContext);
+        mRenderer11DeviceCaps.featureLevel = mDevice->GetFeatureLevel();
+    }
+
+    mResourceManager11.setAllocationsInitialized(mCreateDebugDevice);
+
+    d3d11::SetDebugName(mDeviceContext, "DeviceContext", nullptr);
+
+    mAnnotatorContext.initialize(mDeviceContext);
+
+    mDevice->QueryInterface(__uuidof(ID3D11Device1), reinterpret_cast<void **>(&mDevice1));
+
+    return egl::NoError();
+}
+
+void Renderer11::setGlobalDebugAnnotator()
+{
+    static angle::base::NoDestructor<std::mutex> gMutex;
+    static angle::base::NoDestructor<DebugAnnotator11> gGlobalAnnotator;
+
+    std::lock_guard<std::mutex> lg(*gMutex);
+    gl::InitializeDebugAnnotations(gGlobalAnnotator.get());
+}
+
+// do any one-time device initialization
+// NOTE: this is also needed after a device lost/reset
+// to reset the scene status and ensure the default states are reset.
+egl::Error Renderer11::initializeDevice()
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "Renderer11::initializeDevice");
+
+    populateRenderer11DeviceCaps();
+
+    mStateCache.clear();
+
+    ASSERT(!mBlit);
+    mBlit = new Blit11(this);
+
+    ASSERT(!mClear);
+    mClear = new Clear11(this);
+
+    const auto &attributes = mDisplay->getAttributeMap();
+    // If automatic trim is enabled, DXGIDevice3::Trim( ) is called for the application
+    // automatically when an application is suspended by the OS. This feature is currently
+    // only supported for Windows Store applications.
+    EGLint enableAutoTrim = static_cast<EGLint>(
+        attributes.get(EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_FALSE));
+
+    if (enableAutoTrim == EGL_TRUE)
+    {
+        ASSERT(!mTrim);
+        mTrim = new Trim11(this);
+    }
+
+    ASSERT(!mPixelTransfer);
+    mPixelTransfer = new PixelTransfer11(this);
+
+    // Gather stats on DXGI and D3D feature level
+    ANGLE_HISTOGRAM_BOOLEAN("GPU.ANGLE.SupportsDXGI1_2", mRenderer11DeviceCaps.supportsDXGI1_2);
+
+    ANGLEFeatureLevel angleFeatureLevel = GetANGLEFeatureLevel(mRenderer11DeviceCaps.featureLevel);
+
+    // We don't actually request a 11_1 device, because of complications with the platform
+    // update. Instead we check if the mDeviceContext1 pointer cast succeeded.
+    // Note: we should support D3D11_0 always, but we aren't guaranteed to be at FL11_0
+    // because the app can specify a lower version (such as 9_3) on Display creation.
+    if (mDeviceContext1 != nullptr)
+    {
+        angleFeatureLevel = ANGLE_FEATURE_LEVEL_11_1;
+    }
+
+    ANGLE_HISTOGRAM_ENUMERATION("GPU.ANGLE.D3D11FeatureLevel", angleFeatureLevel,
+                                NUM_ANGLE_FEATURE_LEVELS);
+
+    return egl::NoError();
+}
+
+void Renderer11::populateRenderer11DeviceCaps()
+{
+    HRESULT hr = S_OK;
+
+    LARGE_INTEGER version;
+    hr = mDxgiAdapter->CheckInterfaceSupport(__uuidof(IDXGIDevice), &version);
+    if (FAILED(hr))
+    {
+        mRenderer11DeviceCaps.driverVersion.reset();
+        ERR() << "Error querying driver version from DXGI Adapter.";
+    }
+    else
+    {
+        mRenderer11DeviceCaps.driverVersion = version;
+    }
+
+    if (mDeviceContext1)
+    {
+        D3D11_FEATURE_DATA_D3D11_OPTIONS d3d11Options;
+        HRESULT result = mDevice->CheckFeatureSupport(D3D11_FEATURE_D3D11_OPTIONS, &d3d11Options,
+                                                      sizeof(D3D11_FEATURE_DATA_D3D11_OPTIONS));
+        if (SUCCEEDED(result))
+        {
+            mRenderer11DeviceCaps.supportsClearView = (d3d11Options.ClearView != FALSE);
+            mRenderer11DeviceCaps.supportsConstantBufferOffsets =
+                (d3d11Options.ConstantBufferOffsetting != FALSE);
+        }
+    }
+
+    if (mDeviceContext3)
+    {
+        D3D11_FEATURE_DATA_D3D11_OPTIONS3 d3d11Options3;
+        HRESULT result = mDevice->CheckFeatureSupport(D3D11_FEATURE_D3D11_OPTIONS3, &d3d11Options3,
+                                                      sizeof(D3D11_FEATURE_DATA_D3D11_OPTIONS3));
+        if (SUCCEEDED(result))
+        {
+            mRenderer11DeviceCaps.supportsVpRtIndexWriteFromVertexShader =
+                (d3d11Options3.VPAndRTArrayIndexFromAnyShaderFeedingRasterizer == TRUE);
+        }
+        D3D11_FEATURE_DATA_D3D11_OPTIONS2 d3d11Options2;
+        result = mDevice->CheckFeatureSupport(D3D11_FEATURE_D3D11_OPTIONS2, &d3d11Options2,
+                                              sizeof(D3D11_FEATURE_DATA_D3D11_OPTIONS2));
+        if (SUCCEEDED(result))
+        {
+            mRenderer11DeviceCaps.supportsTypedUAVLoadAdditionalFormats =
+                d3d11Options2.TypedUAVLoadAdditionalFormats;
+            if (!getFeatures().disableRasterizerOrderViews.enabled)
+            {
+                mRenderer11DeviceCaps.supportsRasterizerOrderViews = d3d11Options2.ROVsSupported;
+            }
+        }
+    }
+
+    mRenderer11DeviceCaps.supportsMultisampledDepthStencilSRVs =
+        mRenderer11DeviceCaps.featureLevel > D3D_FEATURE_LEVEL_10_0;
+
+    if (getFeatures().disableB5G6R5Support.enabled)
+    {
+        mRenderer11DeviceCaps.B5G6R5support    = 0;
+        mRenderer11DeviceCaps.B5G6R5maxSamples = 0;
+    }
+    else
+    {
+        PopulateFormatDeviceCaps(mDevice, DXGI_FORMAT_B5G6R5_UNORM,
+                                 &mRenderer11DeviceCaps.B5G6R5support,
+                                 &mRenderer11DeviceCaps.B5G6R5maxSamples);
+    }
+
+    if (getFeatures().allowES3OnFL100.enabled)
+    {
+        mRenderer11DeviceCaps.allowES3OnFL10_0 = true;
+    }
+
+    PopulateFormatDeviceCaps(mDevice, DXGI_FORMAT_B4G4R4A4_UNORM,
+                             &mRenderer11DeviceCaps.B4G4R4A4support,
+                             &mRenderer11DeviceCaps.B4G4R4A4maxSamples);
+    PopulateFormatDeviceCaps(mDevice, DXGI_FORMAT_B5G5R5A1_UNORM,
+                             &mRenderer11DeviceCaps.B5G5R5A1support,
+                             &mRenderer11DeviceCaps.B5G5R5A1maxSamples);
+
+    IDXGIAdapter2 *dxgiAdapter2 = d3d11::DynamicCastComObject<IDXGIAdapter2>(mDxgiAdapter);
+    mRenderer11DeviceCaps.supportsDXGI1_2 = (dxgiAdapter2 != nullptr);
+    SafeRelease(dxgiAdapter2);
+}
+
+gl::SupportedSampleSet Renderer11::generateSampleSetForEGLConfig(
+    const gl::TextureCaps &colorBufferFormatCaps,
+    const gl::TextureCaps &depthStencilBufferFormatCaps) const
+{
+    gl::SupportedSampleSet sampleCounts;
+
+    // Generate a new set from the set intersection of sample counts between the color and depth
+    // format caps.
+    std::set_intersection(colorBufferFormatCaps.sampleCounts.begin(),
+                          colorBufferFormatCaps.sampleCounts.end(),
+                          depthStencilBufferFormatCaps.sampleCounts.begin(),
+                          depthStencilBufferFormatCaps.sampleCounts.end(),
+                          std::inserter(sampleCounts, sampleCounts.begin()));
+
+    // Format of GL_NONE results in no supported sample counts.
+    // Add back the color sample counts to the supported sample set.
+    if (depthStencilBufferFormatCaps.sampleCounts.empty())
+    {
+        sampleCounts = colorBufferFormatCaps.sampleCounts;
+    }
+    else if (colorBufferFormatCaps.sampleCounts.empty())
+    {
+        // Likewise, add back the depth sample counts to the supported sample set.
+        sampleCounts = depthStencilBufferFormatCaps.sampleCounts;
+    }
+
+    // Always support 0 samples
+    sampleCounts.insert(0);
+
+    return sampleCounts;
+}
+
+egl::ConfigSet Renderer11::generateConfigs()
+{
+    std::vector<GLenum> colorBufferFormats;
+
+    // 32-bit supported formats
+    colorBufferFormats.push_back(GL_BGRA8_EXT);
+    colorBufferFormats.push_back(GL_RGBA8_OES);
+
+    // 24-bit supported formats
+    colorBufferFormats.push_back(GL_RGB8_OES);
+
+    if (mRenderer11DeviceCaps.featureLevel >= D3D_FEATURE_LEVEL_10_0)
+    {
+        // Additional high bit depth formats added in D3D 10.0
+        // https://msdn.microsoft.com/en-us/library/windows/desktop/bb173064.aspx
+        colorBufferFormats.push_back(GL_RGBA16F);
+        colorBufferFormats.push_back(GL_RGB10_A2);
+    }
+
+    if (!mPresentPathFastEnabled)
+    {
+        // 16-bit supported formats
+        // These aren't valid D3D11 swapchain formats, so don't expose them as configs
+        // if present path fast is active
+        colorBufferFormats.push_back(GL_RGBA4);
+        colorBufferFormats.push_back(GL_RGB5_A1);
+        colorBufferFormats.push_back(GL_RGB565);
+    }
+
+    static const GLenum depthStencilBufferFormats[] = {
+        GL_NONE,           GL_DEPTH24_STENCIL8_OES, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT16,
+        GL_STENCIL_INDEX8,
+    };
+
+    const gl::Caps &rendererCaps                  = getNativeCaps();
+    const gl::TextureCapsMap &rendererTextureCaps = getNativeTextureCaps();
+
+    const EGLint optimalSurfaceOrientation =
+        mPresentPathFastEnabled ? 0 : EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE;
+
+    egl::ConfigSet configs;
+    for (GLenum colorBufferInternalFormat : colorBufferFormats)
+    {
+        const gl::TextureCaps &colorBufferFormatCaps =
+            rendererTextureCaps.get(colorBufferInternalFormat);
+        if (!colorBufferFormatCaps.renderbuffer)
+        {
+            ASSERT(!colorBufferFormatCaps.textureAttachment);
+            continue;
+        }
+
+        for (GLenum depthStencilBufferInternalFormat : depthStencilBufferFormats)
+        {
+            const gl::TextureCaps &depthStencilBufferFormatCaps =
+                rendererTextureCaps.get(depthStencilBufferInternalFormat);
+            if (!depthStencilBufferFormatCaps.renderbuffer &&
+                depthStencilBufferInternalFormat != GL_NONE)
+            {
+                ASSERT(!depthStencilBufferFormatCaps.textureAttachment);
+                continue;
+            }
+
+            const gl::InternalFormat &colorBufferFormatInfo =
+                gl::GetSizedInternalFormatInfo(colorBufferInternalFormat);
+            const gl::InternalFormat &depthStencilBufferFormatInfo =
+                gl::GetSizedInternalFormatInfo(depthStencilBufferInternalFormat);
+            const gl::Version &maxVersion = getMaxSupportedESVersion();
+
+            const gl::SupportedSampleSet sampleCounts =
+                generateSampleSetForEGLConfig(colorBufferFormatCaps, depthStencilBufferFormatCaps);
+
+            for (GLuint sampleCount : sampleCounts)
+            {
+                egl::Config config;
+                config.renderTargetFormat = colorBufferInternalFormat;
+                config.depthStencilFormat = depthStencilBufferInternalFormat;
+                config.bufferSize         = colorBufferFormatInfo.pixelBytes * 8;
+                config.redSize            = colorBufferFormatInfo.redBits;
+                config.greenSize          = colorBufferFormatInfo.greenBits;
+                config.blueSize           = colorBufferFormatInfo.blueBits;
+                config.luminanceSize      = colorBufferFormatInfo.luminanceBits;
+                config.alphaSize          = colorBufferFormatInfo.alphaBits;
+                config.alphaMaskSize      = 0;
+                config.bindToTextureRGB =
+                    ((colorBufferFormatInfo.format == GL_RGB) && (sampleCount <= 1));
+                config.bindToTextureRGBA = (((colorBufferFormatInfo.format == GL_RGBA) ||
+                                             (colorBufferFormatInfo.format == GL_BGRA_EXT)) &&
+                                            (sampleCount <= 1));
+                config.colorBufferType   = EGL_RGB_BUFFER;
+                config.configCaveat      = EGL_NONE;
+                config.configID          = static_cast<EGLint>(configs.size() + 1);
+
+                // PresentPathFast may not be conformant
+                config.conformant = 0;
+                if (!mPresentPathFastEnabled)
+                {
+                    // Can only support a conformant ES2 with feature level greater than 10.0.
+                    if (mRenderer11DeviceCaps.featureLevel >= D3D_FEATURE_LEVEL_10_0)
+                    {
+                        config.conformant |= EGL_OPENGL_ES2_BIT;
+                    }
+
+                    // We can only support conformant ES3 on FL 10.1+
+                    if (maxVersion.major >= 3)
+                    {
+                        config.conformant |= EGL_OPENGL_ES3_BIT_KHR;
+                    }
+                }
+
+                config.depthSize         = depthStencilBufferFormatInfo.depthBits;
+                config.level             = 0;
+                config.matchNativePixmap = EGL_NONE;
+                config.maxPBufferWidth   = rendererCaps.max2DTextureSize;
+                config.maxPBufferHeight  = rendererCaps.max2DTextureSize;
+                config.maxPBufferPixels =
+                    rendererCaps.max2DTextureSize * rendererCaps.max2DTextureSize;
+                config.maxSwapInterval  = 4;
+                config.minSwapInterval  = 0;
+                config.nativeRenderable = EGL_FALSE;
+                config.nativeVisualID   = 0;
+                config.nativeVisualType = EGL_NONE;
+
+                // Can't support ES3 at all without feature level 10.1
+                config.renderableType = EGL_OPENGL_ES2_BIT;
+                if (maxVersion.major >= 3)
+                {
+                    config.renderableType |= EGL_OPENGL_ES3_BIT_KHR;
+                }
+
+                config.sampleBuffers = (sampleCount == 0) ? 0 : 1;
+                config.samples       = sampleCount;
+                config.stencilSize   = depthStencilBufferFormatInfo.stencilBits;
+                config.surfaceType =
+                    EGL_PBUFFER_BIT | EGL_WINDOW_BIT | EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
+                config.transparentType       = EGL_NONE;
+                config.transparentRedValue   = 0;
+                config.transparentGreenValue = 0;
+                config.transparentBlueValue  = 0;
+                config.optimalOrientation    = optimalSurfaceOrientation;
+                config.colorComponentType    = gl_egl::GLComponentTypeToEGLColorComponentType(
+                       colorBufferFormatInfo.componentType);
+
+                configs.add(config);
+            }
+        }
+    }
+
+    ASSERT(configs.size() > 0);
+    return configs;
+}
+
+void Renderer11::generateDisplayExtensions(egl::DisplayExtensions *outExtensions) const
+{
+    outExtensions->createContextRobustness = true;
+
+    if (getShareHandleSupport())
+    {
+        outExtensions->d3dShareHandleClientBuffer     = true;
+        outExtensions->surfaceD3DTexture2DShareHandle = true;
+    }
+    outExtensions->d3dTextureClientBuffer = true;
+    outExtensions->imageD3D11Texture      = true;
+
+    outExtensions->keyedMutex          = true;
+    outExtensions->querySurfacePointer = true;
+    outExtensions->windowFixedSize     = true;
+
+    // If present path fast is active then the surface orientation extension isn't supported
+    outExtensions->surfaceOrientation = !mPresentPathFastEnabled;
+
+    // D3D11 does not support present with dirty rectangles until DXGI 1.2.
+    outExtensions->postSubBuffer = mRenderer11DeviceCaps.supportsDXGI1_2;
+
+    outExtensions->image                 = true;
+    outExtensions->imageBase             = true;
+    outExtensions->glTexture2DImage      = true;
+    outExtensions->glTextureCubemapImage = true;
+    outExtensions->glRenderbufferImage   = true;
+
+    outExtensions->stream                     = true;
+    outExtensions->streamConsumerGLTexture    = true;
+    outExtensions->streamConsumerGLTextureYUV = true;
+    outExtensions->streamProducerD3DTexture   = true;
+
+    outExtensions->noConfigContext   = true;
+    outExtensions->directComposition = !!mDCompModule;
+
+    // Contexts are virtualized so textures and semaphores can be shared globally
+    outExtensions->displayTextureShareGroup   = true;
+    outExtensions->displaySemaphoreShareGroup = true;
+
+    // syncControlCHROMIUM requires direct composition.
+    outExtensions->syncControlCHROMIUM = outExtensions->directComposition;
+
+    // D3D11 can be used without a swap chain
+    outExtensions->surfacelessContext = true;
+
+    // All D3D feature levels support robust resource init
+    outExtensions->robustResourceInitializationANGLE = true;
+
+#ifdef ANGLE_ENABLE_D3D11_COMPOSITOR_NATIVE_WINDOW
+    // Compositor Native Window capabilies require WinVer >= 1803
+    if (CompositorNativeWindow11::IsSupportedWinRelease())
+    {
+        outExtensions->windowsUIComposition = true;
+    }
+#endif
+}
+
+angle::Result Renderer11::flush(Context11 *context11)
+{
+    mDeviceContext->Flush();
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::finish(Context11 *context11)
+{
+    if (!mSyncQuery.valid())
+    {
+        D3D11_QUERY_DESC queryDesc;
+        queryDesc.Query     = D3D11_QUERY_EVENT;
+        queryDesc.MiscFlags = 0;
+
+        ANGLE_TRY(allocateResource(context11, queryDesc, &mSyncQuery));
+    }
+
+    mDeviceContext->End(mSyncQuery.get());
+
+    HRESULT result       = S_OK;
+    unsigned int attempt = 0;
+    do
+    {
+        unsigned int flushFrequency = 100;
+        UINT flags = (attempt % flushFrequency == 0) ? 0 : D3D11_ASYNC_GETDATA_DONOTFLUSH;
+        attempt++;
+
+        result = mDeviceContext->GetData(mSyncQuery.get(), nullptr, 0, flags);
+        ANGLE_TRY_HR(context11, result, "Failed to get event query data");
+
+        if (result == S_FALSE)
+        {
+            // Keep polling, but allow other threads to do something useful first
+            ScheduleYield();
+        }
+
+        // Attempt is incremented before checking if we should test for device loss so that device
+        // loss is not checked on the first iteration
+        bool checkDeviceLost = (attempt % kPollingD3DDeviceLostCheckFrequency) == 0;
+        if (checkDeviceLost && testDeviceLost())
+        {
+            mDisplay->notifyDeviceLost();
+            ANGLE_CHECK(context11, false, "Device was lost while waiting for sync.",
+                        GL_OUT_OF_MEMORY);
+        }
+    } while (result == S_FALSE);
+
+    return angle::Result::Continue;
+}
+
+bool Renderer11::isValidNativeWindow(EGLNativeWindowType window) const
+{
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    if (NativeWindow11WinRT::IsValidNativeWindow(window))
+    {
+        return true;
+    }
+#else
+    if (NativeWindow11Win32::IsValidNativeWindow(window))
+    {
+        return true;
+    }
+#endif
+
+#ifdef ANGLE_ENABLE_D3D11_COMPOSITOR_NATIVE_WINDOW
+    static_assert(sizeof(ABI::Windows::UI::Composition::SpriteVisual *) == sizeof(HWND),
+                  "Pointer size must match Window Handle size");
+    if (CompositorNativeWindow11::IsValidNativeWindow(window))
+    {
+        return true;
+    }
+#endif
+
+    return false;
+}
+
+NativeWindowD3D *Renderer11::createNativeWindow(EGLNativeWindowType window,
+                                                const egl::Config *config,
+                                                const egl::AttributeMap &attribs) const
+{
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    if (window == nullptr || NativeWindow11WinRT::IsValidNativeWindow(window))
+    {
+        return new NativeWindow11WinRT(window, config->alphaSize > 0);
+    }
+#else
+    if (window == nullptr || NativeWindow11Win32::IsValidNativeWindow(window))
+    {
+        return new NativeWindow11Win32(
+            window, config->alphaSize > 0,
+            attribs.get(EGL_DIRECT_COMPOSITION_ANGLE, EGL_FALSE) == EGL_TRUE);
+    }
+#endif
+
+#ifdef ANGLE_ENABLE_D3D11_COMPOSITOR_NATIVE_WINDOW
+    if (CompositorNativeWindow11::IsValidNativeWindow(window))
+    {
+        return new CompositorNativeWindow11(window, config->alphaSize > 0);
+    }
+#endif
+
+    UNREACHABLE();
+    return nullptr;
+}
+
+egl::Error Renderer11::getD3DTextureInfo(const egl::Config *configuration,
+                                         IUnknown *texture,
+                                         const egl::AttributeMap &attribs,
+                                         EGLint *width,
+                                         EGLint *height,
+                                         GLsizei *samples,
+                                         gl::Format *glFormat,
+                                         const angle::Format **angleFormat,
+                                         UINT *arraySlice) const
+{
+    angle::ComPtr<ID3D11Texture2D> d3dTexture =
+        d3d11::DynamicCastComObjectToComPtr<ID3D11Texture2D>(texture);
+    if (d3dTexture == nullptr)
+    {
+        return egl::EglBadParameter() << "client buffer is not a ID3D11Texture2D";
+    }
+
+    angle::ComPtr<ID3D11Device> textureDevice;
+    d3dTexture->GetDevice(&textureDevice);
+    if (textureDevice.Get() != mDevice)
+    {
+        return egl::EglBadParameter() << "Texture's device does not match.";
+    }
+
+    D3D11_TEXTURE2D_DESC desc = {};
+    d3dTexture->GetDesc(&desc);
+
+    EGLint imageWidth  = static_cast<EGLint>(desc.Width);
+    EGLint imageHeight = static_cast<EGLint>(desc.Height);
+
+    GLsizei sampleCount = static_cast<GLsizei>(desc.SampleDesc.Count);
+    if (configuration && (configuration->samples != sampleCount))
+    {
+        // Both the texture and EGL config sample count may not be the same when multi-sampling
+        // is disabled. The EGL sample count can be 0 but a D3D texture is always 1. Therefore,
+        // we must only check for a invalid match when the EGL config is non-zero or the texture is
+        // not one.
+        if (configuration->samples != 0 || sampleCount != 1)
+        {
+            return egl::EglBadParameter() << "Texture's sample count does not match.";
+        }
+    }
+
+    const angle::Format *textureAngleFormat = nullptr;
+    GLenum sizedInternalFormat              = GL_NONE;
+
+    // From table egl.restrictions in EGL_ANGLE_d3d_texture_client_buffer.
+    if (desc.Format == DXGI_FORMAT_NV12 || desc.Format == DXGI_FORMAT_P010 ||
+        desc.Format == DXGI_FORMAT_P016)
+    {
+        if (!attribs.contains(EGL_D3D11_TEXTURE_PLANE_ANGLE))
+        {
+            return egl::EglBadParameter()
+                   << "EGL_D3D11_TEXTURE_PLANE_ANGLE must be specified for YUV textures.";
+        }
+
+        EGLint plane = attribs.getAsInt(EGL_D3D11_TEXTURE_PLANE_ANGLE);
+
+        // P010 and P016 have the same memory layout, SRV/RTV format, etc.
+        const bool isNV12 = (desc.Format == DXGI_FORMAT_NV12);
+        if (plane == 0)
+        {
+            textureAngleFormat = isNV12 ? &angle::Format::Get(angle::FormatID::R8_UNORM)
+                                        : &angle::Format::Get(angle::FormatID::R16_UNORM);
+        }
+        else if (plane == 1)
+        {
+            textureAngleFormat = isNV12 ? &angle::Format::Get(angle::FormatID::R8G8_UNORM)
+                                        : &angle::Format::Get(angle::FormatID::R16G16_UNORM);
+            imageWidth /= 2;
+            imageHeight /= 2;
+        }
+        else
+        {
+            return egl::EglBadParameter() << "Invalid client buffer texture plane: " << plane;
+        }
+
+        ASSERT(textureAngleFormat);
+        sizedInternalFormat = textureAngleFormat->glInternalFormat;
+    }
+    else
+    {
+        switch (desc.Format)
+        {
+            case DXGI_FORMAT_R8G8B8A8_UNORM:
+            case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+            case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+            case DXGI_FORMAT_B8G8R8A8_UNORM:
+            case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+            case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+            case DXGI_FORMAT_R16G16B16A16_FLOAT:
+            case DXGI_FORMAT_R32G32B32A32_FLOAT:
+            case DXGI_FORMAT_R10G10B10A2_UNORM:
+            case DXGI_FORMAT_R8_UNORM:
+            case DXGI_FORMAT_R8G8_UNORM:
+            case DXGI_FORMAT_R16_UNORM:
+            case DXGI_FORMAT_R16G16_UNORM:
+                break;
+
+            default:
+                return egl::EglBadParameter()
+                       << "Invalid client buffer texture format: " << desc.Format;
+        }
+
+        textureAngleFormat = &d3d11_angle::GetFormat(desc.Format);
+        ASSERT(textureAngleFormat);
+
+        sizedInternalFormat = textureAngleFormat->glInternalFormat;
+
+        if (attribs.contains(EGL_TEXTURE_INTERNAL_FORMAT_ANGLE))
+        {
+            const GLenum internalFormat =
+                static_cast<GLenum>(attribs.get(EGL_TEXTURE_INTERNAL_FORMAT_ANGLE));
+            switch (internalFormat)
+            {
+                case GL_RGBA:
+                case GL_BGRA_EXT:
+                case GL_RGB:
+                case GL_RED_EXT:
+                case GL_RG_EXT:
+                case GL_RGB10_A2_EXT:
+                case GL_R16_EXT:
+                case GL_RG16_EXT:
+                    break;
+                default:
+                    return egl::EglBadParameter()
+                           << "Invalid client buffer texture internal format: " << std::hex
+                           << internalFormat;
+            }
+
+            const GLenum type = gl::GetSizedInternalFormatInfo(sizedInternalFormat).type;
+
+            const auto format = gl::Format(internalFormat, type);
+            if (!format.valid())
+            {
+                return egl::EglBadParameter()
+                       << "Invalid client buffer texture internal format: " << std::hex
+                       << internalFormat;
+            }
+
+            sizedInternalFormat = format.info->sizedInternalFormat;
+        }
+    }
+
+    UINT textureArraySlice =
+        static_cast<UINT>(attribs.getAsInt(EGL_D3D11_TEXTURE_ARRAY_SLICE_ANGLE, 0));
+    if (textureArraySlice >= desc.ArraySize)
+    {
+        return egl::EglBadParameter()
+               << "Invalid client buffer texture array slice: " << textureArraySlice;
+    }
+
+    if (width)
+    {
+        *width = imageWidth;
+    }
+    if (height)
+    {
+        *height = imageHeight;
+    }
+
+    if (samples)
+    {
+        // EGL samples 0 corresponds to D3D11 sample count 1.
+        *samples = sampleCount != 1 ? sampleCount : 0;
+    }
+
+    if (glFormat)
+    {
+        *glFormat = gl::Format(sizedInternalFormat);
+    }
+
+    if (angleFormat)
+    {
+        *angleFormat = textureAngleFormat;
+    }
+
+    if (arraySlice)
+    {
+        *arraySlice = textureArraySlice;
+    }
+
+    return egl::NoError();
+}
+
+egl::Error Renderer11::validateShareHandle(const egl::Config *config,
+                                           HANDLE shareHandle,
+                                           const egl::AttributeMap &attribs) const
+{
+    if (shareHandle == nullptr)
+    {
+        return egl::EglBadParameter() << "NULL share handle.";
+    }
+
+    ID3D11Resource *tempResource11 = nullptr;
+    HRESULT result = mDevice->OpenSharedResource(shareHandle, __uuidof(ID3D11Resource),
+                                                 (void **)&tempResource11);
+    if (FAILED(result) && mDevice1)
+    {
+        result = mDevice1->OpenSharedResource1(shareHandle, __uuidof(ID3D11Resource),
+                                               (void **)&tempResource11);
+    }
+
+    if (FAILED(result))
+    {
+        return egl::EglBadParameter() << "Failed to open share handle, " << gl::FmtHR(result);
+    }
+
+    ID3D11Texture2D *texture2D = d3d11::DynamicCastComObject<ID3D11Texture2D>(tempResource11);
+    SafeRelease(tempResource11);
+
+    if (texture2D == nullptr)
+    {
+        return egl::EglBadParameter()
+               << "Failed to query ID3D11Texture2D object from share handle.";
+    }
+
+    D3D11_TEXTURE2D_DESC desc = {};
+    texture2D->GetDesc(&desc);
+    SafeRelease(texture2D);
+
+    EGLint width  = attribs.getAsInt(EGL_WIDTH, 0);
+    EGLint height = attribs.getAsInt(EGL_HEIGHT, 0);
+    ASSERT(width != 0 && height != 0);
+
+    const d3d11::Format &backbufferFormatInfo =
+        d3d11::Format::Get(config->renderTargetFormat, getRenderer11DeviceCaps());
+
+    if (desc.Width != static_cast<UINT>(width) || desc.Height != static_cast<UINT>(height) ||
+        desc.Format != backbufferFormatInfo.texFormat || desc.MipLevels != 1 || desc.ArraySize != 1)
+    {
+        return egl::EglBadParameter() << "Invalid texture parameters in share handle texture.";
+    }
+
+    return egl::NoError();
+}
+
+SwapChainD3D *Renderer11::createSwapChain(NativeWindowD3D *nativeWindow,
+                                          HANDLE shareHandle,
+                                          IUnknown *d3dTexture,
+                                          GLenum backBufferFormat,
+                                          GLenum depthBufferFormat,
+                                          EGLint orientation,
+                                          EGLint samples)
+{
+    return new SwapChain11(this, GetAs<NativeWindow11>(nativeWindow), shareHandle, d3dTexture,
+                           backBufferFormat, depthBufferFormat, orientation, samples);
+}
+
+void *Renderer11::getD3DDevice()
+{
+    return mDevice;
+}
+
+angle::Result Renderer11::drawWithGeometryShaderAndTransformFeedback(Context11 *context11,
+                                                                     gl::PrimitiveMode mode,
+                                                                     UINT instanceCount,
+                                                                     UINT vertexCount)
+{
+    const gl::State &glState = context11->getState();
+    ProgramD3D *programD3D   = mStateManager.getProgramD3D();
+
+    // Since we use a geometry if-and-only-if we rewrite vertex streams, transform feedback
+    // won't get the correct output. To work around this, draw with *only* the stream out
+    // first (no pixel shader) to feed the stream out buffers and then draw again with the
+    // geometry shader + pixel shader to rasterize the primitives.
+    mStateManager.setPixelShader(nullptr);
+
+    if (instanceCount > 0)
+    {
+        mDeviceContext->DrawInstanced(vertexCount, instanceCount, 0, 0);
+    }
+    else
+    {
+        mDeviceContext->Draw(vertexCount, 0);
+    }
+
+    rx::ShaderExecutableD3D *pixelExe = nullptr;
+    ANGLE_TRY(programD3D->getPixelExecutableForCachedOutputLayout(context11, &pixelExe, nullptr));
+
+    // Skip the draw call if rasterizer discard is enabled (or no fragment shader).
+    if (!pixelExe || glState.getRasterizerState().rasterizerDiscard)
+    {
+        return angle::Result::Continue;
+    }
+
+    mStateManager.setPixelShader(&GetAs<ShaderExecutable11>(pixelExe)->getPixelShader());
+
+    // Retrieve the geometry shader.
+    rx::ShaderExecutableD3D *geometryExe = nullptr;
+    ANGLE_TRY(programD3D->getGeometryExecutableForPrimitiveType(context11, glState, mode,
+                                                                &geometryExe, nullptr));
+
+    mStateManager.setGeometryShader(&GetAs<ShaderExecutable11>(geometryExe)->getGeometryShader());
+
+    if (instanceCount > 0)
+    {
+        mDeviceContext->DrawInstanced(vertexCount, instanceCount, 0, 0);
+    }
+    else
+    {
+        mDeviceContext->Draw(vertexCount, 0);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::drawArrays(const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     GLint firstVertex,
+                                     GLsizei vertexCount,
+                                     GLsizei instanceCount,
+                                     GLuint baseInstance,
+                                     bool isInstancedDraw)
+{
+    if (mStateManager.getCullEverything())
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(markRawBufferUsage(context));
+
+    ProgramD3D *programD3D        = mStateManager.getProgramD3D();
+    GLsizei adjustedInstanceCount = GetAdjustedInstanceCount(programD3D, instanceCount);
+
+    // Note: vertex indexes can be arbitrarily large.
+    UINT clampedVertexCount = gl::GetClampedVertexCount<UINT>(vertexCount);
+
+    const auto &glState = context->getState();
+    if (glState.getCurrentTransformFeedback() && glState.isTransformFeedbackActiveUnpaused())
+    {
+        ANGLE_TRY(markTransformFeedbackUsage(context));
+
+        if (programD3D->usesGeometryShader(glState, mode))
+        {
+            return drawWithGeometryShaderAndTransformFeedback(
+                GetImplAs<Context11>(context), mode, adjustedInstanceCount, clampedVertexCount);
+        }
+    }
+
+    switch (mode)
+    {
+        case gl::PrimitiveMode::LineLoop:
+            return drawLineLoop(context, clampedVertexCount, gl::DrawElementsType::InvalidEnum,
+                                nullptr, 0, adjustedInstanceCount);
+        case gl::PrimitiveMode::TriangleFan:
+            return drawTriangleFan(context, clampedVertexCount, gl::DrawElementsType::InvalidEnum,
+                                   nullptr, 0, adjustedInstanceCount);
+        case gl::PrimitiveMode::Points:
+            if (getFeatures().useInstancedPointSpriteEmulation.enabled)
+            {
+                // This code should not be reachable by multi-view programs.
+                ASSERT(programD3D->getState().usesMultiview() == false);
+
+                // If the shader is writing to gl_PointSize, then pointsprites are being rendered.
+                // Emulating instanced point sprites for FL9_3 requires the topology to be
+                // D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST and DrawIndexedInstanced is called instead.
+                if (adjustedInstanceCount == 0)
+                {
+                    mDeviceContext->DrawIndexedInstanced(6, clampedVertexCount, 0, 0, baseInstance);
+                    return angle::Result::Continue;
+                }
+
+                // If pointsprite emulation is used with glDrawArraysInstanced then we need to take
+                // a less efficent code path. Instanced rendering of emulated pointsprites requires
+                // a loop to draw each batch of points. An offset into the instanced data buffer is
+                // calculated and applied on each iteration to ensure all instances are rendered
+                // correctly. Each instance being rendered requires the inputlayout cache to reapply
+                // buffers and offsets.
+                for (GLsizei i = 0; i < instanceCount; i++)
+                {
+                    ANGLE_TRY(mStateManager.updateVertexOffsetsForPointSpritesEmulation(
+                        context, firstVertex, i));
+                    mDeviceContext->DrawIndexedInstanced(6, clampedVertexCount, 0, 0, baseInstance);
+                }
+
+                // This required by updateVertexOffsets... above but is outside of the loop for
+                // speed.
+                mStateManager.invalidateVertexBuffer();
+                return angle::Result::Continue;
+            }
+            break;
+        default:
+            break;
+    }
+
+    // "Normal" draw case.
+    if (!isInstancedDraw && adjustedInstanceCount == 0)
+    {
+        mDeviceContext->Draw(clampedVertexCount, 0);
+    }
+    else
+    {
+        mDeviceContext->DrawInstanced(clampedVertexCount, adjustedInstanceCount, 0, baseInstance);
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::drawElements(const gl::Context *context,
+                                       gl::PrimitiveMode mode,
+                                       GLint startVertex,
+                                       GLsizei indexCount,
+                                       gl::DrawElementsType indexType,
+                                       const void *indices,
+                                       GLsizei instanceCount,
+                                       GLint baseVertex,
+                                       GLuint baseInstance,
+                                       bool isInstancedDraw)
+{
+    if (mStateManager.getCullEverything())
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(markRawBufferUsage(context));
+
+    // Transform feedback is not allowed for DrawElements, this error should have been caught at the
+    // API validation layer.
+    const gl::State &glState = context->getState();
+    ASSERT(!glState.isTransformFeedbackActiveUnpaused());
+
+    // If this draw call is coming from an indirect call, offset by the indirect call's base vertex.
+    GLint baseVertexAdjusted = baseVertex - startVertex;
+
+    const ProgramD3D *programD3D  = mStateManager.getProgramD3D();
+    GLsizei adjustedInstanceCount = GetAdjustedInstanceCount(programD3D, instanceCount);
+
+    if (mode == gl::PrimitiveMode::LineLoop)
+    {
+        return drawLineLoop(context, indexCount, indexType, indices, baseVertexAdjusted,
+                            adjustedInstanceCount);
+    }
+
+    if (mode == gl::PrimitiveMode::TriangleFan)
+    {
+        return drawTriangleFan(context, indexCount, indexType, indices, baseVertexAdjusted,
+                               adjustedInstanceCount);
+    }
+
+    if (mode != gl::PrimitiveMode::Points || !programD3D->usesInstancedPointSpriteEmulation())
+    {
+        if (!isInstancedDraw && adjustedInstanceCount == 0)
+        {
+            mDeviceContext->DrawIndexed(indexCount, 0, baseVertexAdjusted);
+        }
+        else
+        {
+            mDeviceContext->DrawIndexedInstanced(indexCount, adjustedInstanceCount, 0,
+                                                 baseVertexAdjusted, baseInstance);
+        }
+        return angle::Result::Continue;
+    }
+
+    // This code should not be reachable by multi-view programs.
+    ASSERT(programD3D->getState().usesMultiview() == false);
+
+    // If the shader is writing to gl_PointSize, then pointsprites are being rendered.
+    // Emulating instanced point sprites for FL9_3 requires the topology to be
+    // D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST and DrawIndexedInstanced is called instead.
+    //
+    // The count parameter passed to drawElements represents the total number of instances to be
+    // rendered. Each instance is referenced by the bound index buffer from the the caller.
+    //
+    // Indexed pointsprite emulation replicates data for duplicate entries found in the index
+    // buffer. This is not an efficent rendering mechanism and is only used on downlevel renderers
+    // that do not support geometry shaders.
+    if (instanceCount == 0)
+    {
+        mDeviceContext->DrawIndexedInstanced(6, indexCount, 0, baseVertexAdjusted, baseInstance);
+        return angle::Result::Continue;
+    }
+
+    // If pointsprite emulation is used with glDrawElementsInstanced then we need to take a less
+    // efficent code path. Instanced rendering of emulated pointsprites requires a loop to draw each
+    // batch of points. An offset into the instanced data buffer is calculated and applied on each
+    // iteration to ensure all instances are rendered correctly.
+    gl::IndexRange indexRange;
+    ANGLE_TRY(glState.getVertexArray()->getIndexRange(context, indexType, indexCount, indices,
+                                                      &indexRange));
+
+    UINT clampedVertexCount = gl::clampCast<UINT>(indexRange.vertexCount());
+
+    // Each instance being rendered requires the inputlayout cache to reapply buffers and offsets.
+    for (GLsizei i = 0; i < instanceCount; i++)
+    {
+        ANGLE_TRY(
+            mStateManager.updateVertexOffsetsForPointSpritesEmulation(context, startVertex, i));
+        mDeviceContext->DrawIndexedInstanced(6, clampedVertexCount, 0, baseVertexAdjusted,
+                                             baseInstance);
+    }
+    mStateManager.invalidateVertexBuffer();
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::drawArraysIndirect(const gl::Context *context, const void *indirect)
+{
+    if (mStateManager.getCullEverything())
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(markRawBufferUsage(context));
+
+    const gl::State &glState = context->getState();
+    ASSERT(!glState.isTransformFeedbackActiveUnpaused());
+
+    gl::Buffer *drawIndirectBuffer = glState.getTargetBuffer(gl::BufferBinding::DrawIndirect);
+    ASSERT(drawIndirectBuffer);
+    Buffer11 *storage = GetImplAs<Buffer11>(drawIndirectBuffer);
+
+    uintptr_t offset = reinterpret_cast<uintptr_t>(indirect);
+
+    ID3D11Buffer *buffer = nullptr;
+    ANGLE_TRY(storage->getBuffer(context, BUFFER_USAGE_INDIRECT, &buffer));
+    mDeviceContext->DrawInstancedIndirect(buffer, static_cast<unsigned int>(offset));
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::drawElementsIndirect(const gl::Context *context, const void *indirect)
+{
+    if (mStateManager.getCullEverything())
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(markRawBufferUsage(context));
+
+    const gl::State &glState = context->getState();
+    ASSERT(!glState.isTransformFeedbackActiveUnpaused());
+
+    gl::Buffer *drawIndirectBuffer = glState.getTargetBuffer(gl::BufferBinding::DrawIndirect);
+    ASSERT(drawIndirectBuffer);
+    Buffer11 *storage = GetImplAs<Buffer11>(drawIndirectBuffer);
+    uintptr_t offset  = reinterpret_cast<uintptr_t>(indirect);
+
+    ID3D11Buffer *buffer = nullptr;
+    ANGLE_TRY(storage->getBuffer(context, BUFFER_USAGE_INDIRECT, &buffer));
+    mDeviceContext->DrawIndexedInstancedIndirect(buffer, static_cast<unsigned int>(offset));
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::drawLineLoop(const gl::Context *context,
+                                       GLuint count,
+                                       gl::DrawElementsType type,
+                                       const void *indexPointer,
+                                       int baseVertex,
+                                       int instances)
+{
+    const gl::State &glState       = context->getState();
+    gl::VertexArray *vao           = glState.getVertexArray();
+    gl::Buffer *elementArrayBuffer = vao->getElementArrayBuffer();
+
+    const void *indices = indexPointer;
+
+    // Get the raw indices for an indexed draw
+    if (type != gl::DrawElementsType::InvalidEnum && elementArrayBuffer)
+    {
+        BufferD3D *storage = GetImplAs<BufferD3D>(elementArrayBuffer);
+        intptr_t offset    = reinterpret_cast<intptr_t>(indices);
+
+        const uint8_t *bufferData = nullptr;
+        ANGLE_TRY(storage->getData(context, &bufferData));
+
+        indices = bufferData + offset;
+    }
+
+    if (!mLineLoopIB)
+    {
+        mLineLoopIB = new StreamingIndexBufferInterface(this);
+        ANGLE_TRY(mLineLoopIB->reserveBufferSpace(context, INITIAL_INDEX_BUFFER_SIZE,
+                                                  gl::DrawElementsType::UnsignedInt));
+    }
+
+    // Checked by Renderer11::applyPrimitiveType
+    bool indexCheck = static_cast<unsigned int>(count) + 1 >
+                      (std::numeric_limits<unsigned int>::max() / sizeof(unsigned int));
+    ANGLE_CHECK(GetImplAs<Context11>(context), !indexCheck,
+                "Failed to create a 32-bit looping index buffer for "
+                "GL_LINE_LOOP, too many indices required.",
+                GL_OUT_OF_MEMORY);
+
+    GetLineLoopIndices(indices, type, static_cast<GLuint>(count),
+                       glState.isPrimitiveRestartEnabled(), &mScratchIndexDataBuffer);
+
+    unsigned int spaceNeeded =
+        static_cast<unsigned int>(sizeof(GLuint) * mScratchIndexDataBuffer.size());
+    ANGLE_TRY(
+        mLineLoopIB->reserveBufferSpace(context, spaceNeeded, gl::DrawElementsType::UnsignedInt));
+
+    void *mappedMemory = nullptr;
+    unsigned int offset;
+    ANGLE_TRY(mLineLoopIB->mapBuffer(context, spaceNeeded, &mappedMemory, &offset));
+
+    // Copy over the converted index data.
+    memcpy(mappedMemory, &mScratchIndexDataBuffer[0],
+           sizeof(GLuint) * mScratchIndexDataBuffer.size());
+
+    ANGLE_TRY(mLineLoopIB->unmapBuffer(context));
+
+    IndexBuffer11 *indexBuffer          = GetAs<IndexBuffer11>(mLineLoopIB->getIndexBuffer());
+    const d3d11::Buffer &d3dIndexBuffer = indexBuffer->getBuffer();
+    DXGI_FORMAT indexFormat             = indexBuffer->getIndexFormat();
+
+    mStateManager.setIndexBuffer(d3dIndexBuffer.get(), indexFormat, offset);
+
+    UINT indexCount = static_cast<UINT>(mScratchIndexDataBuffer.size());
+
+    if (instances > 0)
+    {
+        mDeviceContext->DrawIndexedInstanced(indexCount, instances, 0, baseVertex, 0);
+    }
+    else
+    {
+        mDeviceContext->DrawIndexed(indexCount, 0, baseVertex);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::drawTriangleFan(const gl::Context *context,
+                                          GLuint count,
+                                          gl::DrawElementsType type,
+                                          const void *indices,
+                                          int baseVertex,
+                                          int instances)
+{
+    const gl::State &glState       = context->getState();
+    gl::VertexArray *vao           = glState.getVertexArray();
+    gl::Buffer *elementArrayBuffer = vao->getElementArrayBuffer();
+
+    const void *indexPointer = indices;
+
+    // Get the raw indices for an indexed draw
+    if (type != gl::DrawElementsType::InvalidEnum && elementArrayBuffer)
+    {
+        BufferD3D *storage = GetImplAs<BufferD3D>(elementArrayBuffer);
+        intptr_t offset    = reinterpret_cast<intptr_t>(indices);
+
+        const uint8_t *bufferData = nullptr;
+        ANGLE_TRY(storage->getData(context, &bufferData));
+
+        indexPointer = bufferData + offset;
+    }
+
+    if (!mTriangleFanIB)
+    {
+        mTriangleFanIB = new StreamingIndexBufferInterface(this);
+        ANGLE_TRY(mTriangleFanIB->reserveBufferSpace(context, INITIAL_INDEX_BUFFER_SIZE,
+                                                     gl::DrawElementsType::UnsignedInt));
+    }
+
+    // Checked by Renderer11::applyPrimitiveType
+    ASSERT(count >= 3);
+
+    const GLuint numTris = count - 2;
+
+    bool indexCheck =
+        (numTris > std::numeric_limits<unsigned int>::max() / (sizeof(unsigned int) * 3));
+    ANGLE_CHECK(GetImplAs<Context11>(context), !indexCheck,
+                "Failed to create a scratch index buffer for GL_TRIANGLE_FAN, "
+                "too many indices required.",
+                GL_OUT_OF_MEMORY);
+
+    GetTriFanIndices(indexPointer, type, count, glState.isPrimitiveRestartEnabled(),
+                     &mScratchIndexDataBuffer);
+
+    const unsigned int spaceNeeded =
+        static_cast<unsigned int>(mScratchIndexDataBuffer.size() * sizeof(unsigned int));
+    ANGLE_TRY(mTriangleFanIB->reserveBufferSpace(context, spaceNeeded,
+                                                 gl::DrawElementsType::UnsignedInt));
+
+    void *mappedMemory = nullptr;
+    unsigned int offset;
+    ANGLE_TRY(mTriangleFanIB->mapBuffer(context, spaceNeeded, &mappedMemory, &offset));
+
+    memcpy(mappedMemory, &mScratchIndexDataBuffer[0], spaceNeeded);
+
+    ANGLE_TRY(mTriangleFanIB->unmapBuffer(context));
+
+    IndexBuffer11 *indexBuffer          = GetAs<IndexBuffer11>(mTriangleFanIB->getIndexBuffer());
+    const d3d11::Buffer &d3dIndexBuffer = indexBuffer->getBuffer();
+    DXGI_FORMAT indexFormat             = indexBuffer->getIndexFormat();
+
+    mStateManager.setIndexBuffer(d3dIndexBuffer.get(), indexFormat, offset);
+
+    UINT indexCount = static_cast<UINT>(mScratchIndexDataBuffer.size());
+
+    if (instances > 0)
+    {
+        mDeviceContext->DrawIndexedInstanced(indexCount, instances, 0, baseVertex, 0);
+    }
+    else
+    {
+        mDeviceContext->DrawIndexed(indexCount, 0, baseVertex);
+    }
+
+    return angle::Result::Continue;
+}
+
+void Renderer11::releaseDeviceResources()
+{
+    mStateManager.deinitialize();
+    mStateCache.clear();
+
+    SafeDelete(mLineLoopIB);
+    SafeDelete(mTriangleFanIB);
+    SafeDelete(mBlit);
+    SafeDelete(mClear);
+    SafeDelete(mTrim);
+    SafeDelete(mPixelTransfer);
+
+    mSyncQuery.reset();
+
+    mCachedResolveTexture.reset();
+}
+
+// set notify to true to broadcast a message to all contexts of the device loss
+bool Renderer11::testDeviceLost()
+{
+    if (!mDevice)
+    {
+        return true;
+    }
+
+    // GetRemovedReason is used to test if the device is removed
+    HRESULT result = mDevice->GetDeviceRemovedReason();
+    bool isLost    = FAILED(result);
+
+    if (isLost)
+    {
+        ERR() << "The D3D11 device was removed, " << gl::FmtHR(result);
+    }
+
+    return isLost;
+}
+
+bool Renderer11::testDeviceResettable()
+{
+    // determine if the device is resettable by creating a mock device
+    PFN_D3D11_CREATE_DEVICE D3D11CreateDevice =
+        (PFN_D3D11_CREATE_DEVICE)GetProcAddress(mD3d11Module, "D3D11CreateDevice");
+
+    if (D3D11CreateDevice == nullptr)
+    {
+        return false;
+    }
+
+    ID3D11Device *mockDevice;
+    D3D_FEATURE_LEVEL mockFeatureLevel;
+    ID3D11DeviceContext *mockContext;
+    UINT flags = (mCreateDebugDevice ? D3D11_CREATE_DEVICE_DEBUG : 0);
+
+    ASSERT(mRequestedDriverType != D3D_DRIVER_TYPE_UNKNOWN);
+    HRESULT result = D3D11CreateDevice(
+        nullptr, mRequestedDriverType, nullptr, flags, mAvailableFeatureLevels.data(),
+        static_cast<unsigned int>(mAvailableFeatureLevels.size()), D3D11_SDK_VERSION, &mockDevice,
+        &mockFeatureLevel, &mockContext);
+
+    if (!mDevice || FAILED(result))
+    {
+        return false;
+    }
+
+    SafeRelease(mockContext);
+    SafeRelease(mockDevice);
+
+    return true;
+}
+
+void Renderer11::release()
+{
+    mScratchMemoryBuffer.clear();
+
+    mAnnotatorContext.release();
+    gl::UninitializeDebugAnnotations();
+
+    releaseDeviceResources();
+
+    SafeRelease(mDxgiFactory);
+    SafeRelease(mDxgiAdapter);
+
+    SafeRelease(mDeviceContext3);
+    SafeRelease(mDeviceContext1);
+
+    if (mDeviceContext)
+    {
+        mDeviceContext->ClearState();
+        mDeviceContext->Flush();
+        SafeRelease(mDeviceContext);
+    }
+
+    SafeRelease(mDevice);
+    SafeRelease(mDevice1);
+    SafeRelease(mDebug);
+
+    if (mD3d11Module)
+    {
+        FreeLibrary(mD3d11Module);
+        mD3d11Module = nullptr;
+    }
+
+    if (mDxgiModule)
+    {
+        FreeLibrary(mDxgiModule);
+        mDxgiModule = nullptr;
+    }
+
+    if (mDCompModule)
+    {
+        FreeLibrary(mDCompModule);
+        mDCompModule = nullptr;
+    }
+
+    mDevice12.Reset();
+    mCommandQueue.Reset();
+
+    if (mD3d12Module)
+    {
+        FreeLibrary(mD3d12Module);
+        mD3d12Module = nullptr;
+    }
+
+    mCompiler.release();
+
+    mSupportsShareHandles.reset();
+}
+
+bool Renderer11::resetDevice()
+{
+    // recreate everything
+    release();
+    egl::Error result = initialize();
+
+    if (result.isError())
+    {
+        ERR() << "Could not reinitialize D3D11 device: " << result;
+        return false;
+    }
+
+    return true;
+}
+
+std::string Renderer11::getRendererDescription() const
+{
+    std::ostringstream rendererString;
+
+    rendererString << mDescription;
+    rendererString << " Direct3D11";
+
+    rendererString << " vs_" << getMajorShaderModel() << "_" << getMinorShaderModel()
+                   << getShaderModelSuffix();
+    rendererString << " ps_" << getMajorShaderModel() << "_" << getMinorShaderModel()
+                   << getShaderModelSuffix();
+
+    return rendererString.str();
+}
+
+DeviceIdentifier Renderer11::getAdapterIdentifier() const
+{
+    // Don't use the AdapterLuid here, since that doesn't persist across reboot.
+    DeviceIdentifier deviceIdentifier = {};
+    deviceIdentifier.VendorId         = mAdapterDescription.VendorId;
+    deviceIdentifier.DeviceId         = mAdapterDescription.DeviceId;
+    deviceIdentifier.SubSysId         = mAdapterDescription.SubSysId;
+    deviceIdentifier.Revision         = mAdapterDescription.Revision;
+    deviceIdentifier.FeatureLevel     = static_cast<UINT>(mRenderer11DeviceCaps.featureLevel);
+
+    return deviceIdentifier;
+}
+
+unsigned int Renderer11::getReservedVertexUniformVectors() const
+{
+    // Driver uniforms are stored in a separate constant buffer
+    return d3d11_gl::GetReservedVertexUniformVectors(mRenderer11DeviceCaps.featureLevel);
+}
+
+unsigned int Renderer11::getReservedFragmentUniformVectors() const
+{
+    // Driver uniforms are stored in a separate constant buffer
+    return d3d11_gl::GetReservedFragmentUniformVectors(mRenderer11DeviceCaps.featureLevel);
+}
+
+gl::ShaderMap<unsigned int> Renderer11::getReservedShaderUniformBuffers() const
+{
+    gl::ShaderMap<unsigned int> shaderReservedUniformBuffers = {};
+
+    // we reserve one buffer for the application uniforms, and one for driver uniforms
+    shaderReservedUniformBuffers[gl::ShaderType::Vertex]   = 2;
+    shaderReservedUniformBuffers[gl::ShaderType::Fragment] = 2;
+
+    return shaderReservedUniformBuffers;
+}
+
+d3d11::ANGLED3D11DeviceType Renderer11::getDeviceType() const
+{
+    if (mCreatedWithDeviceEXT)
+    {
+        return d3d11::GetDeviceType(mDevice);
+    }
+
+    if ((mRequestedDriverType == D3D_DRIVER_TYPE_SOFTWARE) ||
+        (mRequestedDriverType == D3D_DRIVER_TYPE_REFERENCE) ||
+        (mRequestedDriverType == D3D_DRIVER_TYPE_NULL))
+    {
+        return d3d11::ANGLE_D3D11_DEVICE_TYPE_SOFTWARE_REF_OR_NULL;
+    }
+
+    if (mRequestedDriverType == D3D_DRIVER_TYPE_WARP)
+    {
+        return d3d11::ANGLE_D3D11_DEVICE_TYPE_WARP;
+    }
+
+    return d3d11::ANGLE_D3D11_DEVICE_TYPE_HARDWARE;
+}
+
+bool Renderer11::getShareHandleSupport() const
+{
+    if (mSupportsShareHandles.valid())
+    {
+        return mSupportsShareHandles.value();
+    }
+
+    // We only currently support share handles with BGRA surfaces, because
+    // chrome needs BGRA. Once chrome fixes this, we should always support them.
+    if (!getNativeExtensions().textureFormatBGRA8888EXT)
+    {
+        mSupportsShareHandles = false;
+        return false;
+    }
+
+    // PIX doesn't seem to support using share handles, so disable them.
+    if (mAnnotatorContext.getStatus())
+    {
+        mSupportsShareHandles = false;
+        return false;
+    }
+
+    // Also disable share handles on Feature Level 9_3, since it doesn't support share handles on
+    // RGBA8 textures/swapchains.
+    if (mRenderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        mSupportsShareHandles = false;
+        return false;
+    }
+
+    // Find out which type of D3D11 device the Renderer11 is using
+    d3d11::ANGLED3D11DeviceType deviceType = getDeviceType();
+    if (deviceType == d3d11::ANGLE_D3D11_DEVICE_TYPE_UNKNOWN)
+    {
+        mSupportsShareHandles = false;
+        return false;
+    }
+
+    if (deviceType == d3d11::ANGLE_D3D11_DEVICE_TYPE_SOFTWARE_REF_OR_NULL)
+    {
+        // Software/Reference/NULL devices don't support share handles
+        mSupportsShareHandles = false;
+        return false;
+    }
+
+    if (deviceType == d3d11::ANGLE_D3D11_DEVICE_TYPE_WARP)
+    {
+#if !defined(ANGLE_ENABLE_WINDOWS_UWP)
+        if (!IsWindows8OrGreater())
+        {
+            // WARP on Windows 7 doesn't support shared handles
+            mSupportsShareHandles = false;
+            return false;
+        }
+#endif  // !defined(ANGLE_ENABLE_WINDOWS_UWP)
+
+        // WARP on Windows 8.0+ supports shared handles when shared with another WARP device
+        // TODO: allow applications to query for HARDWARE or WARP-specific share handles,
+        //       to prevent them trying to use a WARP share handle with an a HW device (or
+        //       vice-versa)
+        //       e.g. by creating EGL_D3D11_[HARDWARE/WARP]_DEVICE_SHARE_HANDLE_ANGLE
+        mSupportsShareHandles = true;
+        return true;
+    }
+
+    ASSERT(mCreatedWithDeviceEXT || mRequestedDriverType == D3D_DRIVER_TYPE_HARDWARE);
+    mSupportsShareHandles = true;
+    return true;
+}
+
+int Renderer11::getMajorShaderModel() const
+{
+    switch (mRenderer11DeviceCaps.featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_SHADER_MAJOR_VERSION;  // 5
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_SHADER_MAJOR_VERSION;  // 4
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_SHADER_MAJOR_VERSION;  // 4
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D10_SHADER_MAJOR_VERSION;  // 4
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int Renderer11::getMinorShaderModel() const
+{
+    switch (mRenderer11DeviceCaps.featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_SHADER_MINOR_VERSION;  // 0
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_SHADER_MINOR_VERSION;  // 1
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_SHADER_MINOR_VERSION;  // 0
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D10_SHADER_MINOR_VERSION;  // 0
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+std::string Renderer11::getShaderModelSuffix() const
+{
+    switch (mRenderer11DeviceCaps.featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return "";
+        case D3D_FEATURE_LEVEL_10_1:
+            return "";
+        case D3D_FEATURE_LEVEL_10_0:
+            return "";
+        case D3D_FEATURE_LEVEL_9_3:
+            return "_level_9_3";
+        default:
+            UNREACHABLE();
+            return "";
+    }
+}
+
+angle::Result Renderer11::copyImageInternal(const gl::Context *context,
+                                            const gl::Framebuffer *framebuffer,
+                                            const gl::Rectangle &sourceRect,
+                                            GLenum destFormat,
+                                            const gl::Offset &destOffset,
+                                            RenderTargetD3D *destRenderTarget)
+{
+    const gl::FramebufferAttachment *colorAttachment = framebuffer->getReadColorAttachment();
+    ASSERT(colorAttachment);
+
+    RenderTarget11 *sourceRenderTarget = nullptr;
+    ANGLE_TRY(colorAttachment->getRenderTarget(context, 0, &sourceRenderTarget));
+    ASSERT(sourceRenderTarget);
+
+    const d3d11::RenderTargetView &dest =
+        GetAs<RenderTarget11>(destRenderTarget)->getRenderTargetView();
+    ASSERT(dest.valid());
+
+    gl::Box sourceArea(sourceRect.x, sourceRect.y, 0, sourceRect.width, sourceRect.height, 1);
+    gl::Extents sourceSize(sourceRenderTarget->getWidth(), sourceRenderTarget->getHeight(), 1);
+
+    const bool invertSource = UsePresentPathFast(this, colorAttachment);
+    if (invertSource)
+    {
+        sourceArea.y      = sourceSize.height - sourceRect.y;
+        sourceArea.height = -sourceArea.height;
+    }
+
+    gl::Box destArea(destOffset.x, destOffset.y, 0, sourceRect.width, sourceRect.height, 1);
+    gl::Extents destSize(destRenderTarget->getWidth(), destRenderTarget->getHeight(), 1);
+
+    // Use nearest filtering because source and destination are the same size for the direct copy.
+    // Convert to the unsized format before calling copyTexture.
+    GLenum sourceFormat = colorAttachment->getFormat().info->format;
+    if (sourceRenderTarget->getTexture().is2D() && sourceRenderTarget->isMultisampled())
+    {
+        TextureHelper11 tex;
+        ANGLE_TRY(resolveMultisampledTexture(context, sourceRenderTarget,
+                                             colorAttachment->getDepthSize() > 0,
+                                             colorAttachment->getStencilSize() > 0, &tex));
+
+        D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc;
+        viewDesc.Format                    = sourceRenderTarget->getFormatSet().srvFormat;
+        viewDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE2D;
+        viewDesc.Texture2D.MipLevels       = 1;
+        viewDesc.Texture2D.MostDetailedMip = 0;
+
+        d3d11::SharedSRV readSRV;
+        ANGLE_TRY(allocateResource(GetImplAs<Context11>(context), viewDesc, tex.get(), &readSRV));
+        ASSERT(readSRV.valid());
+
+        ANGLE_TRY(mBlit->copyTexture(context, readSRV, sourceArea, sourceSize, sourceFormat, dest,
+                                     destArea, destSize, nullptr, gl::GetUnsizedFormat(destFormat),
+                                     GL_NONE, GL_NEAREST, false, false, false));
+
+        return angle::Result::Continue;
+    }
+
+    ASSERT(!sourceRenderTarget->isMultisampled());
+
+    const d3d11::SharedSRV *source;
+    ANGLE_TRY(sourceRenderTarget->getBlitShaderResourceView(context, &source));
+    ASSERT(source->valid());
+
+    ANGLE_TRY(mBlit->copyTexture(context, *source, sourceArea, sourceSize, sourceFormat, dest,
+                                 destArea, destSize, nullptr, gl::GetUnsizedFormat(destFormat),
+                                 GL_NONE, GL_NEAREST, false, false, false));
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::copyImage2D(const gl::Context *context,
+                                      const gl::Framebuffer *framebuffer,
+                                      const gl::Rectangle &sourceRect,
+                                      GLenum destFormat,
+                                      const gl::Offset &destOffset,
+                                      TextureStorage *storage,
+                                      GLint level)
+{
+    TextureStorage11_2D *storage11 = GetAs<TextureStorage11_2D>(storage);
+    ASSERT(storage11);
+
+    gl::ImageIndex index              = gl::ImageIndex::Make2D(level);
+    RenderTargetD3D *destRenderTarget = nullptr;
+    ANGLE_TRY(storage11->getRenderTarget(context, index, storage11->getRenderToTextureSamples(),
+                                         &destRenderTarget));
+    ASSERT(destRenderTarget);
+
+    ANGLE_TRY(copyImageInternal(context, framebuffer, sourceRect, destFormat, destOffset,
+                                destRenderTarget));
+
+    storage11->markLevelDirty(level);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::copyImageCube(const gl::Context *context,
+                                        const gl::Framebuffer *framebuffer,
+                                        const gl::Rectangle &sourceRect,
+                                        GLenum destFormat,
+                                        const gl::Offset &destOffset,
+                                        TextureStorage *storage,
+                                        gl::TextureTarget target,
+                                        GLint level)
+{
+    TextureStorage11_Cube *storage11 = GetAs<TextureStorage11_Cube>(storage);
+    ASSERT(storage11);
+
+    gl::ImageIndex index              = gl::ImageIndex::MakeCubeMapFace(target, level);
+    RenderTargetD3D *destRenderTarget = nullptr;
+    ANGLE_TRY(storage11->getRenderTarget(context, index, storage11->getRenderToTextureSamples(),
+                                         &destRenderTarget));
+    ASSERT(destRenderTarget);
+
+    ANGLE_TRY(copyImageInternal(context, framebuffer, sourceRect, destFormat, destOffset,
+                                destRenderTarget));
+
+    storage11->markLevelDirty(level);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::copyImage3D(const gl::Context *context,
+                                      const gl::Framebuffer *framebuffer,
+                                      const gl::Rectangle &sourceRect,
+                                      GLenum destFormat,
+                                      const gl::Offset &destOffset,
+                                      TextureStorage *storage,
+                                      GLint level)
+{
+    TextureStorage11_3D *storage11 = GetAs<TextureStorage11_3D>(storage);
+    ASSERT(storage11);
+
+    gl::ImageIndex index              = gl::ImageIndex::Make3D(level, destOffset.z);
+    RenderTargetD3D *destRenderTarget = nullptr;
+    ANGLE_TRY(storage11->getRenderTarget(context, index, storage11->getRenderToTextureSamples(),
+                                         &destRenderTarget));
+    ASSERT(destRenderTarget);
+
+    ANGLE_TRY(copyImageInternal(context, framebuffer, sourceRect, destFormat, destOffset,
+                                destRenderTarget));
+
+    storage11->markLevelDirty(level);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::copyImage2DArray(const gl::Context *context,
+                                           const gl::Framebuffer *framebuffer,
+                                           const gl::Rectangle &sourceRect,
+                                           GLenum destFormat,
+                                           const gl::Offset &destOffset,
+                                           TextureStorage *storage,
+                                           GLint level)
+{
+    TextureStorage11_2DArray *storage11 = GetAs<TextureStorage11_2DArray>(storage);
+    ASSERT(storage11);
+
+    gl::ImageIndex index              = gl::ImageIndex::Make2DArray(level, destOffset.z);
+    RenderTargetD3D *destRenderTarget = nullptr;
+    ANGLE_TRY(storage11->getRenderTarget(context, index, storage11->getRenderToTextureSamples(),
+                                         &destRenderTarget));
+    ASSERT(destRenderTarget);
+
+    ANGLE_TRY(copyImageInternal(context, framebuffer, sourceRect, destFormat, destOffset,
+                                destRenderTarget));
+    storage11->markLevelDirty(level);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::copyTexture(const gl::Context *context,
+                                      const gl::Texture *source,
+                                      GLint sourceLevel,
+                                      gl::TextureTarget srcTarget,
+                                      const gl::Box &sourceBox,
+                                      GLenum destFormat,
+                                      GLenum destType,
+                                      const gl::Offset &destOffset,
+                                      TextureStorage *storage,
+                                      gl::TextureTarget destTarget,
+                                      GLint destLevel,
+                                      bool unpackFlipY,
+                                      bool unpackPremultiplyAlpha,
+                                      bool unpackUnmultiplyAlpha)
+{
+
+    TextureD3D *sourceD3D                = GetImplAs<TextureD3D>(source);
+    const gl::ImageDesc &sourceImageDesc = source->getTextureState().getImageDesc(
+        NonCubeTextureTypeToTarget(source->getType()), sourceLevel);
+
+    TextureStorage11 *destStorage11 = GetAs<TextureStorage11>(storage);
+    ASSERT(destStorage11);
+
+    // Check for fast path where a CopySubresourceRegion can be used.
+    if (unpackPremultiplyAlpha == unpackUnmultiplyAlpha && !unpackFlipY &&
+        sourceImageDesc.format.info->sizedInternalFormat ==
+            destStorage11->getFormatSet().internalFormat)
+    {
+        const TextureHelper11 *destResource = nullptr;
+        ANGLE_TRY(destStorage11->getResource(context, &destResource));
+
+        if (srcTarget == gl::TextureTarget::_2D || srcTarget == gl::TextureTarget::_3D)
+        {
+            gl::ImageIndex sourceIndex = gl::ImageIndex::MakeFromTarget(srcTarget, sourceLevel, 1);
+            const TextureHelper11 *sourceResource = nullptr;
+            UINT sourceSubresource                = 0;
+            ANGLE_TRY(GetTextureD3DResourceFromStorageOrImage(context, sourceD3D, sourceIndex,
+                                                              &sourceResource, &sourceSubresource));
+
+            gl::ImageIndex destIndex = gl::ImageIndex::MakeFromTarget(destTarget, destLevel, 1);
+
+            UINT destSubresource = 0;
+            ANGLE_TRY(destStorage11->getSubresourceIndex(context, destIndex, &destSubresource));
+
+            D3D11_BOX d3dBox{static_cast<UINT>(sourceBox.x),
+                             static_cast<UINT>(sourceBox.y),
+                             static_cast<UINT>(sourceBox.z),
+                             static_cast<UINT>(sourceBox.x + sourceBox.width),
+                             static_cast<UINT>(sourceBox.y + sourceBox.height),
+                             static_cast<UINT>(sourceBox.z + sourceBox.depth)};
+
+            mDeviceContext->CopySubresourceRegion(
+                destResource->get(), destSubresource, destOffset.x, destOffset.y, destOffset.z,
+                sourceResource->get(), sourceSubresource, &d3dBox);
+        }
+        else if (srcTarget == gl::TextureTarget::_2DArray)
+        {
+            D3D11_BOX d3dBox{static_cast<UINT>(sourceBox.x),
+                             static_cast<UINT>(sourceBox.y),
+                             0,
+                             static_cast<UINT>(sourceBox.x + sourceBox.width),
+                             static_cast<UINT>(sourceBox.y + sourceBox.height),
+                             1u};
+
+            for (int i = 0; i < sourceBox.depth; i++)
+            {
+                gl::ImageIndex sourceIndex =
+                    gl::ImageIndex::Make2DArray(sourceLevel, i + sourceBox.z);
+                const TextureHelper11 *sourceResource = nullptr;
+                UINT sourceSubresource                = 0;
+                ANGLE_TRY(GetTextureD3DResourceFromStorageOrImage(
+                    context, sourceD3D, sourceIndex, &sourceResource, &sourceSubresource));
+
+                gl::ImageIndex dIndex = gl::ImageIndex::Make2DArray(destLevel, i + destOffset.z);
+                UINT destSubresource  = 0;
+                ANGLE_TRY(destStorage11->getSubresourceIndex(context, dIndex, &destSubresource));
+
+                mDeviceContext->CopySubresourceRegion(
+                    destResource->get(), destSubresource, destOffset.x, destOffset.y, 0,
+                    sourceResource->get(), sourceSubresource, &d3dBox);
+            }
+        }
+        else
+        {
+            UNREACHABLE();
+        }
+    }
+    else
+    {
+        TextureStorage *sourceStorage = nullptr;
+        ANGLE_TRY(sourceD3D->getNativeTexture(context, &sourceStorage));
+
+        TextureStorage11 *sourceStorage11 = GetAs<TextureStorage11>(sourceStorage);
+        ASSERT(sourceStorage11);
+
+        const d3d11::SharedSRV *sourceSRV = nullptr;
+        ANGLE_TRY(sourceStorage11->getSRVLevels(context, sourceLevel, sourceLevel, &sourceSRV));
+
+        gl::ImageIndex destIndex;
+        if (destTarget == gl::TextureTarget::_2D || destTarget == gl::TextureTarget::_3D ||
+            gl::IsCubeMapFaceTarget(destTarget))
+        {
+            destIndex = gl::ImageIndex::MakeFromTarget(destTarget, destLevel, 1);
+        }
+        else if (destTarget == gl::TextureTarget::_2DArray)
+        {
+            destIndex = gl::ImageIndex::Make2DArrayRange(destLevel, 0, sourceImageDesc.size.depth);
+        }
+        else
+        {
+            UNREACHABLE();
+        }
+
+        RenderTargetD3D *destRenderTargetD3D = nullptr;
+        ANGLE_TRY(destStorage11->getRenderTarget(
+            context, destIndex, destStorage11->getRenderToTextureSamples(), &destRenderTargetD3D));
+
+        RenderTarget11 *destRenderTarget11 = GetAs<RenderTarget11>(destRenderTargetD3D);
+
+        const d3d11::RenderTargetView &destRTV = destRenderTarget11->getRenderTargetView();
+        ASSERT(destRTV.valid());
+
+        gl::Box sourceArea(sourceBox.x, sourceBox.y, sourceBox.z, sourceBox.width, sourceBox.height,
+                           sourceBox.depth);
+
+        if (unpackFlipY)
+        {
+            sourceArea.y += sourceArea.height;
+            sourceArea.height = -sourceArea.height;
+        }
+
+        gl::Box destArea(destOffset.x, destOffset.y, destOffset.z, sourceBox.width,
+                         sourceBox.height, sourceBox.depth);
+
+        gl::Extents destSize(destRenderTarget11->getWidth(), destRenderTarget11->getHeight(),
+                             sourceBox.depth);
+
+        // Use nearest filtering because source and destination are the same size for the direct
+        // copy
+        GLenum sourceFormat = source->getFormat(srcTarget, sourceLevel).info->format;
+        ANGLE_TRY(mBlit->copyTexture(context, *sourceSRV, sourceArea, sourceImageDesc.size,
+                                     sourceFormat, destRTV, destArea, destSize, nullptr, destFormat,
+                                     destType, GL_NEAREST, false, unpackPremultiplyAlpha,
+                                     unpackUnmultiplyAlpha));
+    }
+
+    destStorage11->markLevelDirty(destLevel);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::copyCompressedTexture(const gl::Context *context,
+                                                const gl::Texture *source,
+                                                GLint sourceLevel,
+                                                TextureStorage *storage,
+                                                GLint destLevel)
+{
+    TextureStorage11_2D *destStorage11 = GetAs<TextureStorage11_2D>(storage);
+    ASSERT(destStorage11);
+
+    const TextureHelper11 *destResource = nullptr;
+    ANGLE_TRY(destStorage11->getResource(context, &destResource));
+
+    gl::ImageIndex destIndex = gl::ImageIndex::Make2D(destLevel);
+    UINT destSubresource     = 0;
+    ANGLE_TRY(destStorage11->getSubresourceIndex(context, destIndex, &destSubresource));
+
+    TextureD3D *sourceD3D = GetImplAs<TextureD3D>(source);
+    ASSERT(sourceD3D);
+
+    TextureStorage *sourceStorage = nullptr;
+    ANGLE_TRY(sourceD3D->getNativeTexture(context, &sourceStorage));
+
+    TextureStorage11_2D *sourceStorage11 = GetAs<TextureStorage11_2D>(sourceStorage);
+    ASSERT(sourceStorage11);
+
+    const TextureHelper11 *sourceResource = nullptr;
+    ANGLE_TRY(sourceStorage11->getResource(context, &sourceResource));
+
+    gl::ImageIndex sourceIndex = gl::ImageIndex::Make2D(sourceLevel);
+    UINT sourceSubresource     = 0;
+    ANGLE_TRY(sourceStorage11->getSubresourceIndex(context, sourceIndex, &sourceSubresource));
+
+    mDeviceContext->CopySubresourceRegion(destResource->get(), destSubresource, 0, 0, 0,
+                                          sourceResource->get(), sourceSubresource, nullptr);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::createRenderTarget(const gl::Context *context,
+                                             int width,
+                                             int height,
+                                             GLenum format,
+                                             GLsizei samples,
+                                             RenderTargetD3D **outRT)
+{
+    const d3d11::Format &formatInfo = d3d11::Format::Get(format, mRenderer11DeviceCaps);
+
+    const gl::TextureCaps &textureCaps = getNativeTextureCaps().get(format);
+    GLuint supportedSamples            = textureCaps.getNearestSamples(samples);
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (width > 0 && height > 0)
+    {
+        // Create texture resource
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width              = width;
+        desc.Height             = height;
+        desc.MipLevels          = 1;
+        desc.ArraySize          = 1;
+        desc.Format             = formatInfo.texFormat;
+        desc.SampleDesc.Count   = (supportedSamples == 0) ? 1 : supportedSamples;
+        desc.SampleDesc.Quality = getSampleDescQuality(supportedSamples);
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = 0;
+
+        // If a rendertarget or depthstencil format exists for this texture format,
+        // we'll flag it to allow binding that way. Shader resource views are a little
+        // more complicated.
+        bool bindRTV = false, bindDSV = false, bindSRV = false;
+        bindRTV = (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN);
+        bindDSV = (formatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN);
+        bindSRV = (formatInfo.srvFormat != DXGI_FORMAT_UNKNOWN);
+
+        bool isMultisampledDepthStencil = bindDSV && desc.SampleDesc.Count > 1;
+        if (isMultisampledDepthStencil &&
+            !mRenderer11DeviceCaps.supportsMultisampledDepthStencilSRVs)
+        {
+            bindSRV = false;
+        }
+
+        desc.BindFlags = (bindRTV ? D3D11_BIND_RENDER_TARGET : 0) |
+                         (bindDSV ? D3D11_BIND_DEPTH_STENCIL : 0) |
+                         (bindSRV ? D3D11_BIND_SHADER_RESOURCE : 0);
+
+        // The format must be either an RTV or a DSV
+        ASSERT(bindRTV != bindDSV);
+
+        TextureHelper11 texture;
+        ANGLE_TRY(allocateTexture(context11, desc, formatInfo, &texture));
+        texture.setInternalName("createRenderTarget.Texture");
+
+        d3d11::SharedSRV srv;
+        d3d11::SharedSRV blitSRV;
+        if (bindSRV)
+        {
+            D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+            srvDesc.Format        = formatInfo.srvFormat;
+            srvDesc.ViewDimension = (supportedSamples == 0) ? D3D11_SRV_DIMENSION_TEXTURE2D
+                                                            : D3D11_SRV_DIMENSION_TEXTURE2DMS;
+            srvDesc.Texture2D.MostDetailedMip = 0;
+            srvDesc.Texture2D.MipLevels       = 1;
+
+            ANGLE_TRY(allocateResource(context11, srvDesc, texture.get(), &srv));
+            srv.setInternalName("createRenderTarget.SRV");
+
+            if (formatInfo.blitSRVFormat != formatInfo.srvFormat)
+            {
+                D3D11_SHADER_RESOURCE_VIEW_DESC blitSRVDesc;
+                blitSRVDesc.Format                    = formatInfo.blitSRVFormat;
+                blitSRVDesc.ViewDimension             = (supportedSamples == 0)
+                                                            ? D3D11_SRV_DIMENSION_TEXTURE2D
+                                                            : D3D11_SRV_DIMENSION_TEXTURE2DMS;
+                blitSRVDesc.Texture2D.MostDetailedMip = 0;
+                blitSRVDesc.Texture2D.MipLevels       = 1;
+
+                ANGLE_TRY(allocateResource(context11, blitSRVDesc, texture.get(), &blitSRV));
+                blitSRV.setInternalName("createRenderTarget.BlitSRV");
+            }
+            else
+            {
+                blitSRV = srv.makeCopy();
+            }
+        }
+
+        if (bindDSV)
+        {
+            D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+            dsvDesc.Format             = formatInfo.dsvFormat;
+            dsvDesc.ViewDimension      = (supportedSamples == 0) ? D3D11_DSV_DIMENSION_TEXTURE2D
+                                                                 : D3D11_DSV_DIMENSION_TEXTURE2DMS;
+            dsvDesc.Texture2D.MipSlice = 0;
+            dsvDesc.Flags              = 0;
+
+            d3d11::DepthStencilView dsv;
+            ANGLE_TRY(allocateResource(context11, dsvDesc, texture.get(), &dsv));
+            dsv.setInternalName("createRenderTarget.DSV");
+
+            *outRT = new TextureRenderTarget11(std::move(dsv), texture, srv, format, formatInfo,
+                                               width, height, 1, supportedSamples);
+        }
+        else if (bindRTV)
+        {
+            D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+            rtvDesc.Format             = formatInfo.rtvFormat;
+            rtvDesc.ViewDimension      = (supportedSamples == 0) ? D3D11_RTV_DIMENSION_TEXTURE2D
+                                                                 : D3D11_RTV_DIMENSION_TEXTURE2DMS;
+            rtvDesc.Texture2D.MipSlice = 0;
+
+            d3d11::RenderTargetView rtv;
+            ANGLE_TRY(allocateResource(context11, rtvDesc, texture.get(), &rtv));
+            rtv.setInternalName("createRenderTarget.RTV");
+
+            if (formatInfo.dataInitializerFunction != nullptr)
+            {
+                const float clearValues[4] = {0.0f, 0.0f, 0.0f, 1.0f};
+                mDeviceContext->ClearRenderTargetView(rtv.get(), clearValues);
+            }
+
+            *outRT = new TextureRenderTarget11(std::move(rtv), texture, srv, blitSRV, format,
+                                               formatInfo, width, height, 1, supportedSamples);
+        }
+        else
+        {
+            UNREACHABLE();
+        }
+    }
+    else
+    {
+        *outRT = new TextureRenderTarget11(d3d11::RenderTargetView(), TextureHelper11(),
+                                           d3d11::SharedSRV(), d3d11::SharedSRV(), format,
+                                           d3d11::Format::Get(GL_NONE, mRenderer11DeviceCaps),
+                                           width, height, 1, supportedSamples);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::createRenderTargetCopy(const gl::Context *context,
+                                                 RenderTargetD3D *source,
+                                                 RenderTargetD3D **outRT)
+{
+    ASSERT(source != nullptr);
+
+    RenderTargetD3D *newRT = nullptr;
+    ANGLE_TRY(createRenderTarget(context, source->getWidth(), source->getHeight(),
+                                 source->getInternalFormat(), source->getSamples(), &newRT));
+
+    RenderTarget11 *source11 = GetAs<RenderTarget11>(source);
+    RenderTarget11 *dest11   = GetAs<RenderTarget11>(newRT);
+
+    mDeviceContext->CopySubresourceRegion(dest11->getTexture().get(), dest11->getSubresourceIndex(),
+                                          0, 0, 0, source11->getTexture().get(),
+                                          source11->getSubresourceIndex(), nullptr);
+    *outRT = newRT;
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::loadExecutable(d3d::Context *context,
+                                         const uint8_t *function,
+                                         size_t length,
+                                         gl::ShaderType type,
+                                         const std::vector<D3DVarying> &streamOutVaryings,
+                                         bool separatedOutputBuffers,
+                                         ShaderExecutableD3D **outExecutable)
+{
+    ShaderData shaderData(function, length);
+
+    switch (type)
+    {
+        case gl::ShaderType::Vertex:
+        {
+            d3d11::VertexShader vertexShader;
+            d3d11::GeometryShader streamOutShader;
+            ANGLE_TRY(allocateResource(context, shaderData, &vertexShader));
+
+            if (!streamOutVaryings.empty())
+            {
+                std::vector<D3D11_SO_DECLARATION_ENTRY> soDeclaration;
+                soDeclaration.reserve(streamOutVaryings.size());
+
+                for (const auto &streamOutVarying : streamOutVaryings)
+                {
+                    D3D11_SO_DECLARATION_ENTRY entry = {};
+                    entry.Stream                     = 0;
+                    entry.SemanticName               = streamOutVarying.semanticName.c_str();
+                    entry.SemanticIndex              = streamOutVarying.semanticIndex;
+                    entry.StartComponent             = 0;
+                    entry.ComponentCount = static_cast<BYTE>(streamOutVarying.componentCount);
+                    entry.OutputSlot     = static_cast<BYTE>(
+                        (separatedOutputBuffers ? streamOutVarying.outputSlot : 0));
+                    soDeclaration.push_back(entry);
+                }
+
+                ANGLE_TRY(allocateResource(context, shaderData, &soDeclaration, &streamOutShader));
+            }
+
+            *outExecutable = new ShaderExecutable11(function, length, std::move(vertexShader),
+                                                    std::move(streamOutShader));
+        }
+        break;
+        case gl::ShaderType::Fragment:
+        {
+            d3d11::PixelShader pixelShader;
+            ANGLE_TRY(allocateResource(context, shaderData, &pixelShader));
+            *outExecutable = new ShaderExecutable11(function, length, std::move(pixelShader));
+        }
+        break;
+        case gl::ShaderType::Geometry:
+        {
+            d3d11::GeometryShader geometryShader;
+            ANGLE_TRY(allocateResource(context, shaderData, &geometryShader));
+            *outExecutable = new ShaderExecutable11(function, length, std::move(geometryShader));
+        }
+        break;
+        case gl::ShaderType::Compute:
+        {
+            d3d11::ComputeShader computeShader;
+            ANGLE_TRY(allocateResource(context, shaderData, &computeShader));
+            *outExecutable = new ShaderExecutable11(function, length, std::move(computeShader));
+        }
+        break;
+        default:
+            ANGLE_HR_UNREACHABLE(context);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::compileToExecutable(d3d::Context *context,
+                                              gl::InfoLog &infoLog,
+                                              const std::string &shaderHLSL,
+                                              gl::ShaderType type,
+                                              const std::vector<D3DVarying> &streamOutVaryings,
+                                              bool separatedOutputBuffers,
+                                              const CompilerWorkaroundsD3D &workarounds,
+                                              ShaderExecutableD3D **outExectuable)
+{
+    std::stringstream profileStream;
+
+    switch (type)
+    {
+        case gl::ShaderType::Vertex:
+            profileStream << "vs";
+            break;
+        case gl::ShaderType::Fragment:
+            profileStream << "ps";
+            break;
+        case gl::ShaderType::Geometry:
+            profileStream << "gs";
+            break;
+        case gl::ShaderType::Compute:
+            profileStream << "cs";
+            break;
+        default:
+            ANGLE_HR_UNREACHABLE(context);
+    }
+
+    profileStream << "_" << getMajorShaderModel() << "_" << getMinorShaderModel()
+                  << getShaderModelSuffix();
+    std::string profile = profileStream.str();
+
+    UINT flags = D3DCOMPILE_OPTIMIZATION_LEVEL2;
+
+#if defined(ANGLE_ENABLE_DEBUG_TRACE)
+#    ifndef NDEBUG
+    flags = D3DCOMPILE_SKIP_OPTIMIZATION;
+#    endif  // NDEBUG
+    flags |= D3DCOMPILE_DEBUG;
+#endif  // defined(ANGLE_ENABLE_DEBUG_TRACE)
+
+    if (workarounds.enableIEEEStrictness)
+        flags |= D3DCOMPILE_IEEE_STRICTNESS;
+
+    // Sometimes D3DCompile will fail with the default compilation flags for complicated shaders
+    // when it would otherwise pass with alternative options.
+    // Try the default flags first and if compilation fails, try some alternatives.
+    std::vector<CompileConfig> configs;
+    configs.push_back(CompileConfig(flags, "default"));
+    configs.push_back(CompileConfig(flags | D3DCOMPILE_SKIP_VALIDATION, "skip validation"));
+    configs.push_back(CompileConfig(flags | D3DCOMPILE_SKIP_OPTIMIZATION, "skip optimization"));
+
+    if (getMajorShaderModel() == 4 && getShaderModelSuffix() != "")
+    {
+        // Some shaders might cause a "blob content mismatch between level9 and d3d10 shader".
+        // e.g. dEQP-GLES2.functional.shaders.struct.local.loop_nested_struct_array_*.
+        // Using the [unroll] directive works around this, as does this D3DCompile flag.
+        configs.push_back(
+            CompileConfig(flags | D3DCOMPILE_AVOID_FLOW_CONTROL, "avoid flow control"));
+    }
+
+    D3D_SHADER_MACRO loopMacros[] = {{"ANGLE_ENABLE_LOOP_FLATTEN", "1"}, {0, 0}};
+
+    // TODO(jmadill): Use ComPtr?
+    ID3DBlob *binary = nullptr;
+    std::string debugInfo;
+    ANGLE_TRY(mCompiler.compileToBinary(context, infoLog, shaderHLSL, profile, configs, loopMacros,
+                                        &binary, &debugInfo));
+
+    // It's possible that binary is NULL if the compiler failed in all configurations.  Set the
+    // executable to NULL and return GL_NO_ERROR to signify that there was a link error but the
+    // internal state is still OK.
+    if (!binary)
+    {
+        *outExectuable = nullptr;
+        return angle::Result::Continue;
+    }
+
+    angle::Result error = loadExecutable(
+        context, static_cast<const uint8_t *>(binary->GetBufferPointer()), binary->GetBufferSize(),
+        type, streamOutVaryings, separatedOutputBuffers, outExectuable);
+
+    SafeRelease(binary);
+    if (error == angle::Result::Stop)
+    {
+        return error;
+    }
+
+    if (!debugInfo.empty())
+    {
+        (*outExectuable)->appendDebugInfo(debugInfo);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::ensureHLSLCompilerInitialized(d3d::Context *context)
+{
+    return mCompiler.ensureInitialized(context);
+}
+
+UniformStorageD3D *Renderer11::createUniformStorage(size_t storageSize)
+{
+    return new UniformStorage11(storageSize);
+}
+
+VertexBuffer *Renderer11::createVertexBuffer()
+{
+    return new VertexBuffer11(this);
+}
+
+IndexBuffer *Renderer11::createIndexBuffer()
+{
+    return new IndexBuffer11(this);
+}
+
+StreamProducerImpl *Renderer11::createStreamProducerD3DTexture(
+    egl::Stream::ConsumerType consumerType,
+    const egl::AttributeMap &attribs)
+{
+    return new StreamProducerD3DTexture(this);
+}
+
+bool Renderer11::supportsFastCopyBufferToTexture(GLenum internalFormat) const
+{
+    ASSERT(getNativeExtensions().pixelBufferObjectNV);
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetSizedInternalFormatInfo(internalFormat);
+    const d3d11::Format &d3d11FormatInfo =
+        d3d11::Format::Get(internalFormat, mRenderer11DeviceCaps);
+
+    // sRGB formats do not work with D3D11 buffer SRVs
+    if (internalFormatInfo.colorEncoding == GL_SRGB)
+    {
+        return false;
+    }
+
+    // We cannot support direct copies to non-color-renderable formats
+    if (d3d11FormatInfo.rtvFormat == DXGI_FORMAT_UNKNOWN)
+    {
+        return false;
+    }
+
+    // We skip all 3-channel formats since sometimes format support is missing
+    if (internalFormatInfo.componentCount == 3)
+    {
+        return false;
+    }
+
+    // We don't support formats which we can't represent without conversion
+    if (d3d11FormatInfo.format().glInternalFormat != internalFormat)
+    {
+        return false;
+    }
+
+    // Buffer SRV creation for this format was not working on Windows 10.
+    if (d3d11FormatInfo.texFormat == DXGI_FORMAT_B5G5R5A1_UNORM)
+    {
+        return false;
+    }
+
+    // This format is not supported as a buffer SRV.
+    if (d3d11FormatInfo.texFormat == DXGI_FORMAT_A8_UNORM)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+angle::Result Renderer11::fastCopyBufferToTexture(const gl::Context *context,
+                                                  const gl::PixelUnpackState &unpack,
+                                                  gl::Buffer *unpackBuffer,
+                                                  unsigned int offset,
+                                                  RenderTargetD3D *destRenderTarget,
+                                                  GLenum destinationFormat,
+                                                  GLenum sourcePixelsType,
+                                                  const gl::Box &destArea)
+{
+    ASSERT(supportsFastCopyBufferToTexture(destinationFormat));
+    return mPixelTransfer->copyBufferToTexture(context, unpack, unpackBuffer, offset,
+                                               destRenderTarget, destinationFormat,
+                                               sourcePixelsType, destArea);
+}
+
+ImageD3D *Renderer11::createImage()
+{
+    return new Image11(this);
+}
+
+ExternalImageSiblingImpl *Renderer11::createExternalImageSibling(const gl::Context *context,
+                                                                 EGLenum target,
+                                                                 EGLClientBuffer buffer,
+                                                                 const egl::AttributeMap &attribs)
+{
+    switch (target)
+    {
+        case EGL_D3D11_TEXTURE_ANGLE:
+            return new ExternalImageSiblingImpl11(this, buffer, attribs);
+
+        default:
+            UNREACHABLE();
+            return nullptr;
+    }
+}
+
+angle::Result Renderer11::generateMipmap(const gl::Context *context, ImageD3D *dest, ImageD3D *src)
+{
+    Image11 *dest11 = GetAs<Image11>(dest);
+    Image11 *src11  = GetAs<Image11>(src);
+    return Image11::GenerateMipmap(context, dest11, src11, mRenderer11DeviceCaps);
+}
+
+angle::Result Renderer11::generateMipmapUsingD3D(const gl::Context *context,
+                                                 TextureStorage *storage,
+                                                 const gl::TextureState &textureState)
+{
+    TextureStorage11 *storage11 = GetAs<TextureStorage11>(storage);
+
+    ASSERT(storage11->isRenderTarget());
+    ASSERT(storage11->supportsNativeMipmapFunction());
+
+    const d3d11::SharedSRV *srv = nullptr;
+    ANGLE_TRY(storage11->getSRVLevels(context, textureState.getEffectiveBaseLevel(),
+                                      textureState.getEffectiveMaxLevel(), &srv));
+
+    mDeviceContext->GenerateMips(srv->get());
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::copyImage(const gl::Context *context,
+                                    ImageD3D *dest,
+                                    ImageD3D *source,
+                                    const gl::Box &sourceBox,
+                                    const gl::Offset &destOffset,
+                                    bool unpackFlipY,
+                                    bool unpackPremultiplyAlpha,
+                                    bool unpackUnmultiplyAlpha)
+{
+    Image11 *dest11 = GetAs<Image11>(dest);
+    Image11 *src11  = GetAs<Image11>(source);
+    return Image11::CopyImage(context, dest11, src11, sourceBox, destOffset, unpackFlipY,
+                              unpackPremultiplyAlpha, unpackUnmultiplyAlpha, mRenderer11DeviceCaps);
+}
+
+TextureStorage *Renderer11::createTextureStorage2D(SwapChainD3D *swapChain,
+                                                   const std::string &label)
+{
+    SwapChain11 *swapChain11 = GetAs<SwapChain11>(swapChain);
+    return new TextureStorage11_2D(this, swapChain11, label);
+}
+
+TextureStorage *Renderer11::createTextureStorageEGLImage(EGLImageD3D *eglImage,
+                                                         RenderTargetD3D *renderTargetD3D,
+                                                         const std::string &label)
+{
+    return new TextureStorage11_EGLImage(this, eglImage, GetAs<RenderTarget11>(renderTargetD3D),
+                                         label);
+}
+
+TextureStorage *Renderer11::createTextureStorageExternal(
+    egl::Stream *stream,
+    const egl::Stream::GLTextureDescription &desc,
+    const std::string &label)
+{
+    return new TextureStorage11_External(this, stream, desc, label);
+}
+
+TextureStorage *Renderer11::createTextureStorage2D(GLenum internalformat,
+                                                   BindFlags bindFlags,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   int levels,
+                                                   const std::string &label,
+                                                   bool hintLevelZeroOnly)
+{
+    return new TextureStorage11_2D(this, internalformat, bindFlags, width, height, levels, label,
+                                   hintLevelZeroOnly);
+}
+
+TextureStorage *Renderer11::createTextureStorageCube(GLenum internalformat,
+                                                     BindFlags bindFlags,
+                                                     int size,
+                                                     int levels,
+                                                     bool hintLevelZeroOnly,
+                                                     const std::string &label)
+{
+    return new TextureStorage11_Cube(this, internalformat, bindFlags, size, levels,
+                                     hintLevelZeroOnly, label);
+}
+
+TextureStorage *Renderer11::createTextureStorage3D(GLenum internalformat,
+                                                   BindFlags bindFlags,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   GLsizei depth,
+                                                   int levels,
+                                                   const std::string &label)
+{
+    return new TextureStorage11_3D(this, internalformat, bindFlags, width, height, depth, levels,
+                                   label);
+}
+
+TextureStorage *Renderer11::createTextureStorage2DArray(GLenum internalformat,
+                                                        BindFlags bindFlags,
+                                                        GLsizei width,
+                                                        GLsizei height,
+                                                        GLsizei depth,
+                                                        int levels,
+                                                        const std::string &label)
+{
+    return new TextureStorage11_2DArray(this, internalformat, bindFlags, width, height, depth,
+                                        levels, label);
+}
+
+TextureStorage *Renderer11::createTextureStorage2DMultisample(GLenum internalformat,
+                                                              GLsizei width,
+                                                              GLsizei height,
+                                                              int levels,
+                                                              int samples,
+                                                              bool fixedSampleLocations,
+                                                              const std::string &label)
+{
+    return new TextureStorage11_2DMultisample(this, internalformat, width, height, levels, samples,
+                                              fixedSampleLocations, label);
+}
+
+TextureStorage *Renderer11::createTextureStorageBuffer(
+    const gl::OffsetBindingPointer<gl::Buffer> &buffer,
+    GLenum internalFormat,
+    const std::string &label)
+{
+    return new TextureStorage11_Buffer(this, buffer, internalFormat, label);
+}
+
+TextureStorage *Renderer11::createTextureStorage2DMultisampleArray(GLenum internalformat,
+                                                                   GLsizei width,
+                                                                   GLsizei height,
+                                                                   GLsizei depth,
+                                                                   int levels,
+                                                                   int samples,
+                                                                   bool fixedSampleLocations,
+                                                                   const std::string &label)
+{
+    return new TextureStorage11_2DMultisampleArray(this, internalformat, width, height, depth,
+                                                   levels, samples, fixedSampleLocations, label);
+}
+
+angle::Result Renderer11::readFromAttachment(const gl::Context *context,
+                                             const gl::FramebufferAttachment &srcAttachment,
+                                             const gl::Rectangle &sourceArea,
+                                             GLenum format,
+                                             GLenum type,
+                                             GLuint outputPitch,
+                                             const gl::PixelPackState &pack,
+                                             uint8_t *pixelsOut)
+{
+    ASSERT(sourceArea.width >= 0);
+    ASSERT(sourceArea.height >= 0);
+
+    const bool invertTexture = UsePresentPathFast(this, &srcAttachment);
+
+    RenderTarget11 *rt11 = nullptr;
+    ANGLE_TRY(srcAttachment.getRenderTarget(context, 0, &rt11));
+    ASSERT(rt11->getTexture().valid());
+
+    const TextureHelper11 &textureHelper = rt11->getTexture();
+    unsigned int sourceSubResource       = rt11->getSubresourceIndex();
+
+    const gl::Extents &texSize = textureHelper.getExtents();
+
+    gl::Rectangle actualArea = sourceArea;
+    bool reverseRowOrder     = pack.reverseRowOrder;
+    if (invertTexture)
+    {
+        actualArea.y    = texSize.height - actualArea.y - actualArea.height;
+        reverseRowOrder = !reverseRowOrder;
+    }
+
+    // Clamp read region to the defined texture boundaries, preventing out of bounds reads
+    // and reads of uninitialized data.
+    gl::Rectangle safeArea;
+    safeArea.x = gl::clamp(actualArea.x, 0, texSize.width);
+    safeArea.y = gl::clamp(actualArea.y, 0, texSize.height);
+    safeArea.width =
+        gl::clamp(actualArea.width + std::min(actualArea.x, 0), 0, texSize.width - safeArea.x);
+    safeArea.height =
+        gl::clamp(actualArea.height + std::min(actualArea.y, 0), 0, texSize.height - safeArea.y);
+
+    ASSERT(safeArea.x >= 0 && safeArea.y >= 0);
+    ASSERT(safeArea.x + safeArea.width <= texSize.width);
+    ASSERT(safeArea.y + safeArea.height <= texSize.height);
+
+    if (safeArea.width == 0 || safeArea.height == 0)
+    {
+        // no work to do
+        return angle::Result::Continue;
+    }
+
+    gl::Extents safeSize(safeArea.width, safeArea.height, 1);
+    TextureHelper11 stagingHelper;
+    ANGLE_TRY(createStagingTexture(context, textureHelper.getTextureType(),
+                                   textureHelper.getFormatSet(), safeSize, StagingAccess::READ,
+                                   &stagingHelper));
+    stagingHelper.setInternalName("readFromAttachment::stagingHelper");
+
+    TextureHelper11 resolvedTextureHelper;
+
+    // "srcTexture" usually points to the source texture.
+    // For 2D multisampled textures, it points to the multisampled resolve texture.
+    const TextureHelper11 *srcTexture = &textureHelper;
+
+    if (textureHelper.is2D() && textureHelper.getSampleCount() > 1)
+    {
+        D3D11_TEXTURE2D_DESC resolveDesc;
+        resolveDesc.Width              = static_cast<UINT>(texSize.width);
+        resolveDesc.Height             = static_cast<UINT>(texSize.height);
+        resolveDesc.MipLevels          = 1;
+        resolveDesc.ArraySize          = 1;
+        resolveDesc.Format             = textureHelper.getFormat();
+        resolveDesc.SampleDesc.Count   = 1;
+        resolveDesc.SampleDesc.Quality = 0;
+        resolveDesc.Usage              = D3D11_USAGE_DEFAULT;
+        resolveDesc.BindFlags          = 0;
+        resolveDesc.CPUAccessFlags     = 0;
+        resolveDesc.MiscFlags          = 0;
+
+        ANGLE_TRY(allocateTexture(GetImplAs<Context11>(context), resolveDesc,
+                                  textureHelper.getFormatSet(), &resolvedTextureHelper));
+        resolvedTextureHelper.setInternalName("readFromAttachment::resolvedTextureHelper");
+
+        mDeviceContext->ResolveSubresource(resolvedTextureHelper.get(), 0, textureHelper.get(),
+                                           sourceSubResource, textureHelper.getFormat());
+
+        sourceSubResource = 0;
+        srcTexture        = &resolvedTextureHelper;
+    }
+
+    D3D11_BOX srcBox;
+    srcBox.left   = static_cast<UINT>(safeArea.x);
+    srcBox.right  = static_cast<UINT>(safeArea.x + safeArea.width);
+    srcBox.top    = static_cast<UINT>(safeArea.y);
+    srcBox.bottom = static_cast<UINT>(safeArea.y + safeArea.height);
+
+    // Select the correct layer from a 3D attachment
+    srcBox.front = 0;
+    if (textureHelper.is3D())
+    {
+        srcBox.front = static_cast<UINT>(srcAttachment.layer());
+    }
+    srcBox.back = srcBox.front + 1;
+
+    mDeviceContext->CopySubresourceRegion(stagingHelper.get(), 0, 0, 0, 0, srcTexture->get(),
+                                          sourceSubResource, &srcBox);
+
+    const angle::Format &angleFormat = GetFormatFromFormatType(format, type);
+    gl::Buffer *packBuffer = context->getState().getTargetBuffer(gl::BufferBinding::PixelPack);
+
+    PackPixelsParams packParams(safeArea, angleFormat, outputPitch, reverseRowOrder, packBuffer, 0);
+    return packPixels(context, stagingHelper, packParams, pixelsOut);
+}
+
+angle::Result Renderer11::packPixels(const gl::Context *context,
+                                     const TextureHelper11 &textureHelper,
+                                     const PackPixelsParams &params,
+                                     uint8_t *pixelsOut)
+{
+    ID3D11Resource *readResource = textureHelper.get();
+
+    D3D11_MAPPED_SUBRESOURCE mapping;
+    ANGLE_TRY(mapResource(context, readResource, 0, D3D11_MAP_READ, 0, &mapping));
+
+    uint8_t *source = static_cast<uint8_t *>(mapping.pData);
+    int inputPitch  = static_cast<int>(mapping.RowPitch);
+
+    const auto &formatInfo = textureHelper.getFormatSet();
+    ASSERT(formatInfo.format().glInternalFormat != GL_NONE);
+
+    PackPixels(params, formatInfo.format(), inputPitch, source, pixelsOut);
+
+    mDeviceContext->Unmap(readResource, 0);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::blitRenderbufferRect(const gl::Context *context,
+                                               const gl::Rectangle &readRectIn,
+                                               const gl::Rectangle &drawRectIn,
+                                               UINT readLayer,
+                                               UINT drawLayer,
+                                               RenderTargetD3D *readRenderTarget,
+                                               RenderTargetD3D *drawRenderTarget,
+                                               GLenum filter,
+                                               const gl::Rectangle *scissor,
+                                               bool colorBlit,
+                                               bool depthBlit,
+                                               bool stencilBlit)
+{
+    // Since blitRenderbufferRect is called for each render buffer that needs to be blitted,
+    // it should never be the case that both color and depth/stencil need to be blitted at
+    // at the same time.
+    ASSERT(colorBlit != (depthBlit || stencilBlit));
+
+    RenderTarget11 *drawRenderTarget11 = GetAs<RenderTarget11>(drawRenderTarget);
+    ASSERT(drawRenderTarget11);
+
+    const TextureHelper11 &drawTexture = drawRenderTarget11->getTexture();
+    unsigned int drawSubresource       = drawRenderTarget11->getSubresourceIndex();
+
+    RenderTarget11 *readRenderTarget11 = GetAs<RenderTarget11>(readRenderTarget);
+    ASSERT(readRenderTarget11);
+
+    const gl::Extents readSize(readRenderTarget->getWidth(), readRenderTarget->getHeight(), 1);
+    const gl::Extents drawSize(drawRenderTarget->getWidth(), drawRenderTarget->getHeight(), 1);
+
+    // From the spec:
+    // "The actual region taken from the read framebuffer is limited to the intersection of the
+    // source buffers being transferred, which may include the color buffer selected by the read
+    // buffer, the depth buffer, and / or the stencil buffer depending on mask."
+    // This means negative x and y are out of bounds, and not to be read from. We handle this here
+    // by internally scaling the read and draw rectangles.
+
+    // Remove reversal from readRect to simplify further operations.
+    gl::Rectangle readRect = readRectIn;
+    gl::Rectangle drawRect = drawRectIn;
+    if (readRect.isReversedX())
+    {
+        readRect.x     = readRect.x + readRect.width;
+        readRect.width = -readRect.width;
+        drawRect.x     = drawRect.x + drawRect.width;
+        drawRect.width = -drawRect.width;
+    }
+    if (readRect.isReversedY())
+    {
+        readRect.y      = readRect.y + readRect.height;
+        readRect.height = -readRect.height;
+        drawRect.y      = drawRect.y + drawRect.height;
+        drawRect.height = -drawRect.height;
+    }
+
+    gl::Rectangle readBounds(0, 0, readSize.width, readSize.height);
+    gl::Rectangle inBoundsReadRect;
+    if (!gl::ClipRectangle(readRect, readBounds, &inBoundsReadRect))
+    {
+        return angle::Result::Continue;
+    }
+
+    {
+        // Calculate the drawRect that corresponds to inBoundsReadRect.
+        auto readToDrawX = [&drawRect, &readRect](int readOffset) {
+            double readToDrawScale =
+                static_cast<double>(drawRect.width) / static_cast<double>(readRect.width);
+            return static_cast<int>(
+                round(static_cast<double>(readOffset - readRect.x) * readToDrawScale) + drawRect.x);
+        };
+        auto readToDrawY = [&drawRect, &readRect](int readOffset) {
+            double readToDrawScale =
+                static_cast<double>(drawRect.height) / static_cast<double>(readRect.height);
+            return static_cast<int>(
+                round(static_cast<double>(readOffset - readRect.y) * readToDrawScale) + drawRect.y);
+        };
+
+        gl::Rectangle drawRectMatchingInBoundsReadRect;
+        drawRectMatchingInBoundsReadRect.x = readToDrawX(inBoundsReadRect.x);
+        drawRectMatchingInBoundsReadRect.y = readToDrawY(inBoundsReadRect.y);
+        drawRectMatchingInBoundsReadRect.width =
+            readToDrawX(inBoundsReadRect.x1()) - drawRectMatchingInBoundsReadRect.x;
+        drawRectMatchingInBoundsReadRect.height =
+            readToDrawY(inBoundsReadRect.y1()) - drawRectMatchingInBoundsReadRect.y;
+        drawRect = drawRectMatchingInBoundsReadRect;
+        readRect = inBoundsReadRect;
+    }
+
+    bool scissorNeeded = false;
+    if (scissor)
+    {
+        gl::Rectangle scissoredDrawRect;
+        if (!gl::ClipRectangle(drawRect, *scissor, &scissoredDrawRect))
+        {
+            return angle::Result::Continue;
+        }
+        scissorNeeded = scissoredDrawRect != drawRect;
+    }
+
+    const auto &destFormatInfo =
+        gl::GetSizedInternalFormatInfo(drawRenderTarget->getInternalFormat());
+    const auto &srcFormatInfo =
+        gl::GetSizedInternalFormatInfo(readRenderTarget->getInternalFormat());
+    const auto &formatSet    = drawRenderTarget11->getFormatSet();
+    const auto &nativeFormat = formatSet.format();
+
+    // Some blits require masking off emulated texture channels. eg: from RGBA8 to RGB8, we
+    // emulate RGB8 with RGBA8, so we need to mask off the alpha channel when we copy.
+
+    gl::Color<bool> colorMask;
+    colorMask.red =
+        (srcFormatInfo.redBits > 0) && (destFormatInfo.redBits == 0) && (nativeFormat.redBits > 0);
+    colorMask.green = (srcFormatInfo.greenBits > 0) && (destFormatInfo.greenBits == 0) &&
+                      (nativeFormat.greenBits > 0);
+    colorMask.blue = (srcFormatInfo.blueBits > 0) && (destFormatInfo.blueBits == 0) &&
+                     (nativeFormat.blueBits > 0);
+    colorMask.alpha = (srcFormatInfo.alphaBits > 0) && (destFormatInfo.alphaBits == 0) &&
+                      (nativeFormat.alphaBits > 0);
+
+    // We only currently support masking off the alpha channel.
+    bool colorMaskingNeeded = colorMask.alpha;
+    ASSERT(!colorMask.red && !colorMask.green && !colorMask.blue);
+
+    bool wholeBufferCopy = !scissorNeeded && !colorMaskingNeeded && readRect.x == 0 &&
+                           readRect.width == readSize.width && readRect.y == 0 &&
+                           readRect.height == readSize.height && drawRect.x == 0 &&
+                           drawRect.width == drawSize.width && drawRect.y == 0 &&
+                           drawRect.height == drawSize.height;
+
+    bool stretchRequired = readRect.width != drawRect.width || readRect.height != drawRect.height;
+
+    ASSERT(!readRect.isReversedX() && !readRect.isReversedY());
+    bool reversalRequired = drawRect.isReversedX() || drawRect.isReversedY();
+
+    bool outOfBounds = readRect.x < 0 || readRect.x + readRect.width > readSize.width ||
+                       readRect.y < 0 || readRect.y + readRect.height > readSize.height ||
+                       drawRect.x < 0 || drawRect.x + drawRect.width > drawSize.width ||
+                       drawRect.y < 0 || drawRect.y + drawRect.height > drawSize.height;
+
+    bool partialDSBlit =
+        (nativeFormat.depthBits > 0 && depthBlit) != (nativeFormat.stencilBits > 0 && stencilBlit);
+
+    const bool canCopySubresource =
+        drawRenderTarget->getSamples() == readRenderTarget->getSamples() &&
+        readRenderTarget11->getFormatSet().formatID ==
+            drawRenderTarget11->getFormatSet().formatID &&
+        !stretchRequired && !outOfBounds && !reversalRequired && !partialDSBlit &&
+        !colorMaskingNeeded && (!(depthBlit || stencilBlit) || wholeBufferCopy);
+
+    TextureHelper11 readTexture;
+    unsigned int readSubresource = 0;
+    d3d11::SharedSRV readSRV;
+
+    if (readRenderTarget->isMultisampled())
+    {
+        ANGLE_TRY(resolveMultisampledTexture(context, readRenderTarget11, depthBlit, stencilBlit,
+                                             &readTexture));
+
+        if (!stencilBlit && !canCopySubresource)
+        {
+            const auto &readFormatSet = readTexture.getFormatSet();
+
+            D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc;
+            viewDesc.Format                    = readFormatSet.srvFormat;
+            viewDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE2D;
+            viewDesc.Texture2D.MipLevels       = 1;
+            viewDesc.Texture2D.MostDetailedMip = 0;
+
+            ANGLE_TRY(allocateResource(GetImplAs<Context11>(context), viewDesc, readTexture.get(),
+                                       &readSRV));
+        }
+    }
+    else
+    {
+        ASSERT(readRenderTarget11);
+        readTexture     = readRenderTarget11->getTexture();
+        readSubresource = readRenderTarget11->getSubresourceIndex();
+        if (!canCopySubresource)
+        {
+            const d3d11::SharedSRV *blitSRV;
+            ANGLE_TRY(readRenderTarget11->getBlitShaderResourceView(context, &blitSRV));
+            readSRV = blitSRV->makeCopy();
+            if (!readSRV.valid())
+            {
+                ASSERT(depthBlit || stencilBlit);
+                const d3d11::SharedSRV *srv;
+                ANGLE_TRY(readRenderTarget11->getShaderResourceView(context, &srv));
+                readSRV = srv->makeCopy();
+            }
+            ASSERT(readSRV.valid());
+        }
+    }
+
+    if (canCopySubresource)
+    {
+        UINT dstX = drawRect.x;
+        UINT dstY = drawRect.y;
+        UINT dstZ = drawLayer;
+
+        D3D11_BOX readBox;
+        readBox.left   = readRect.x;
+        readBox.right  = readRect.x + readRect.width;
+        readBox.top    = readRect.y;
+        readBox.bottom = readRect.y + readRect.height;
+        readBox.front  = readLayer;
+        readBox.back   = readLayer + 1;
+
+        if (scissorNeeded)
+        {
+            // drawRect is guaranteed to have positive width and height because stretchRequired is
+            // false.
+            ASSERT(drawRect.width >= 0 || drawRect.height >= 0);
+
+            if (drawRect.x < scissor->x)
+            {
+                dstX = scissor->x;
+                readBox.left += (scissor->x - drawRect.x);
+            }
+            if (drawRect.y < scissor->y)
+            {
+                dstY = scissor->y;
+                readBox.top += (scissor->y - drawRect.y);
+            }
+            if (drawRect.x + drawRect.width > scissor->x + scissor->width)
+            {
+                readBox.right -= ((drawRect.x + drawRect.width) - (scissor->x + scissor->width));
+            }
+            if (drawRect.y + drawRect.height > scissor->y + scissor->height)
+            {
+                readBox.bottom -= ((drawRect.y + drawRect.height) - (scissor->y + scissor->height));
+            }
+        }
+
+        // D3D11 needs depth-stencil CopySubresourceRegions to have a NULL pSrcBox
+        // We also require complete framebuffer copies for depth-stencil blit.
+        D3D11_BOX *pSrcBox = wholeBufferCopy && readLayer == 0 ? nullptr : &readBox;
+
+        mDeviceContext->CopySubresourceRegion(drawTexture.get(), drawSubresource, dstX, dstY, dstZ,
+                                              readTexture.get(), readSubresource, pSrcBox);
+    }
+    else
+    {
+        gl::Box readArea(readRect.x, readRect.y, 0, readRect.width, readRect.height, 1);
+        gl::Box drawArea(drawRect.x, drawRect.y, 0, drawRect.width, drawRect.height, 1);
+
+        if (depthBlit && stencilBlit)
+        {
+            ANGLE_TRY(mBlit->copyDepthStencil(context, readTexture, readSubresource, readArea,
+                                              readSize, drawTexture, drawSubresource, drawArea,
+                                              drawSize, scissor));
+        }
+        else if (depthBlit)
+        {
+            const d3d11::DepthStencilView &drawDSV = drawRenderTarget11->getDepthStencilView();
+            ASSERT(readSRV.valid());
+            ANGLE_TRY(mBlit->copyDepth(context, readSRV, readArea, readSize, drawDSV, drawArea,
+                                       drawSize, scissor));
+        }
+        else if (stencilBlit)
+        {
+            ANGLE_TRY(mBlit->copyStencil(context, readTexture, readSubresource, readArea, readSize,
+                                         drawTexture, drawSubresource, drawArea, drawSize,
+                                         scissor));
+        }
+        else
+        {
+            const d3d11::RenderTargetView &drawRTV = drawRenderTarget11->getRenderTargetView();
+
+            // We don't currently support masking off any other channel than alpha
+            bool maskOffAlpha = colorMaskingNeeded && colorMask.alpha;
+            ASSERT(readSRV.valid());
+            ANGLE_TRY(mBlit->copyTexture(context, readSRV, readArea, readSize, srcFormatInfo.format,
+                                         drawRTV, drawArea, drawSize, scissor,
+                                         destFormatInfo.format, GL_NONE, filter, maskOffAlpha,
+                                         false, false));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+bool Renderer11::isES3Capable() const
+{
+    return (d3d11_gl::GetMaximumClientVersion(mRenderer11DeviceCaps).major > 2);
+}
+
+RendererClass Renderer11::getRendererClass() const
+{
+    return RENDERER_D3D11;
+}
+
+void Renderer11::onSwap()
+{
+    // Send histogram updates every half hour
+    const double kHistogramUpdateInterval = 30 * 60;
+
+    auto *platform                   = ANGLEPlatformCurrent();
+    const double currentTime         = platform->monotonicallyIncreasingTime(platform);
+    const double timeSinceLastUpdate = currentTime - mLastHistogramUpdateTime;
+
+    if (timeSinceLastUpdate > kHistogramUpdateInterval)
+    {
+        updateHistograms();
+        mLastHistogramUpdateTime = currentTime;
+    }
+}
+
+void Renderer11::updateHistograms()
+{
+    // Update the buffer CPU memory histogram
+    {
+        size_t sizeSum = 0;
+        for (const Buffer11 *buffer : mAliveBuffers)
+        {
+            sizeSum += buffer->getTotalCPUBufferMemoryBytes();
+        }
+        const int kOneMegaByte = 1024 * 1024;
+        ANGLE_HISTOGRAM_MEMORY_MB("GPU.ANGLE.Buffer11CPUMemoryMB",
+                                  static_cast<int>(sizeSum) / kOneMegaByte);
+    }
+}
+
+void Renderer11::onBufferCreate(const Buffer11 *created)
+{
+    mAliveBuffers.insert(created);
+}
+
+void Renderer11::onBufferDelete(const Buffer11 *deleted)
+{
+    mAliveBuffers.erase(deleted);
+}
+
+angle::Result Renderer11::resolveMultisampledTexture(const gl::Context *context,
+                                                     RenderTarget11 *renderTarget,
+                                                     bool depth,
+                                                     bool stencil,
+                                                     TextureHelper11 *textureOut)
+{
+    if (depth && !stencil)
+    {
+        return mBlit->resolveDepth(context, renderTarget, textureOut);
+    }
+
+    if (stencil)
+    {
+        return mBlit->resolveStencil(context, renderTarget, depth, textureOut);
+    }
+
+    const auto &formatSet = renderTarget->getFormatSet();
+
+    ASSERT(renderTarget->isMultisampled());
+    const d3d11::SharedSRV *sourceSRV;
+    ANGLE_TRY(renderTarget->getShaderResourceView(context, &sourceSRV));
+    D3D11_SHADER_RESOURCE_VIEW_DESC sourceSRVDesc;
+    sourceSRV->get()->GetDesc(&sourceSRVDesc);
+    ASSERT(sourceSRVDesc.ViewDimension == D3D_SRV_DIMENSION_TEXTURE2DMS ||
+           sourceSRVDesc.ViewDimension == D3D_SRV_DIMENSION_TEXTURE2DMSARRAY);
+
+    if (!mCachedResolveTexture.valid() ||
+        mCachedResolveTexture.getExtents().width != renderTarget->getWidth() ||
+        mCachedResolveTexture.getExtents().height != renderTarget->getHeight() ||
+        mCachedResolveTexture.getFormat() != formatSet.texFormat)
+    {
+        D3D11_TEXTURE2D_DESC resolveDesc;
+        resolveDesc.Width              = renderTarget->getWidth();
+        resolveDesc.Height             = renderTarget->getHeight();
+        resolveDesc.MipLevels          = 1;
+        resolveDesc.ArraySize          = 1;
+        resolveDesc.Format             = formatSet.texFormat;
+        resolveDesc.SampleDesc.Count   = 1;
+        resolveDesc.SampleDesc.Quality = 0;
+        resolveDesc.Usage              = D3D11_USAGE_DEFAULT;
+        resolveDesc.BindFlags          = D3D11_BIND_SHADER_RESOURCE;
+        resolveDesc.CPUAccessFlags     = 0;
+        resolveDesc.MiscFlags          = 0;
+
+        ANGLE_TRY(allocateTexture(GetImplAs<Context11>(context), resolveDesc, formatSet,
+                                  &mCachedResolveTexture));
+    }
+
+    mDeviceContext->ResolveSubresource(mCachedResolveTexture.get(), 0,
+                                       renderTarget->getTexture().get(),
+                                       renderTarget->getSubresourceIndex(), formatSet.texFormat);
+    *textureOut = mCachedResolveTexture;
+    return angle::Result::Continue;
+}
+
+bool Renderer11::getLUID(LUID *adapterLuid) const
+{
+    adapterLuid->HighPart = 0;
+    adapterLuid->LowPart  = 0;
+
+    if (!mDxgiAdapter)
+    {
+        return false;
+    }
+
+    DXGI_ADAPTER_DESC adapterDesc;
+    if (FAILED(mDxgiAdapter->GetDesc(&adapterDesc)))
+    {
+        return false;
+    }
+
+    *adapterLuid = adapterDesc.AdapterLuid;
+    return true;
+}
+
+VertexConversionType Renderer11::getVertexConversionType(angle::FormatID vertexFormatID) const
+{
+    return d3d11::GetVertexFormatInfo(vertexFormatID, mRenderer11DeviceCaps.featureLevel)
+        .conversionType;
+}
+
+GLenum Renderer11::getVertexComponentType(angle::FormatID vertexFormatID) const
+{
+    const auto &format =
+        d3d11::GetVertexFormatInfo(vertexFormatID, mRenderer11DeviceCaps.featureLevel);
+    return d3d11::GetComponentType(format.nativeFormat);
+}
+
+angle::Result Renderer11::getVertexSpaceRequired(const gl::Context *context,
+                                                 const gl::VertexAttribute &attrib,
+                                                 const gl::VertexBinding &binding,
+                                                 size_t count,
+                                                 GLsizei instances,
+                                                 GLuint baseInstance,
+                                                 unsigned int *bytesRequiredOut) const
+{
+    if (!attrib.enabled)
+    {
+        *bytesRequiredOut = 16u;
+        return angle::Result::Continue;
+    }
+
+    unsigned int elementCount  = 0;
+    const unsigned int divisor = binding.getDivisor();
+    if (instances == 0 || divisor == 0)
+    {
+        // This could be a clipped cast.
+        elementCount = gl::clampCast<unsigned int>(count);
+    }
+    else
+    {
+        // Round up to divisor, if possible
+        elementCount =
+            UnsignedCeilDivide(static_cast<unsigned int>(instances + baseInstance), divisor);
+    }
+
+    ASSERT(elementCount > 0);
+
+    const D3D_FEATURE_LEVEL featureLevel = mRenderer11DeviceCaps.featureLevel;
+    const d3d11::VertexFormat &vertexFormatInfo =
+        d3d11::GetVertexFormatInfo(attrib.format->id, featureLevel);
+    const d3d11::DXGIFormatSize &dxgiFormatInfo =
+        d3d11::GetDXGIFormatSizeInfo(vertexFormatInfo.nativeFormat);
+    unsigned int elementSize = dxgiFormatInfo.pixelBytes;
+    bool check = (elementSize > std::numeric_limits<unsigned int>::max() / elementCount);
+    ANGLE_CHECK(GetImplAs<Context11>(context), !check,
+                "New vertex buffer size would result in an overflow.", GL_OUT_OF_MEMORY);
+
+    *bytesRequiredOut = elementSize * elementCount;
+    return angle::Result::Continue;
+}
+
+void Renderer11::generateCaps(gl::Caps *outCaps,
+                              gl::TextureCapsMap *outTextureCaps,
+                              gl::Extensions *outExtensions,
+                              gl::Limitations *outLimitations) const
+{
+    d3d11_gl::GenerateCaps(mDevice, mDeviceContext, mRenderer11DeviceCaps, getFeatures(),
+                           mDescription, outCaps, outTextureCaps, outExtensions, outLimitations);
+}
+
+void Renderer11::initializeFeatures(angle::FeaturesD3D *features) const
+{
+    if (!mDisplay->getState().featuresAllDisabled)
+    {
+        d3d11::InitializeFeatures(mRenderer11DeviceCaps, mAdapterDescription, features);
+    }
+    ApplyFeatureOverrides(features, mDisplay->getState());
+}
+
+void Renderer11::initializeFrontendFeatures(angle::FrontendFeatures *features) const
+{
+    if (!mDisplay->getState().featuresAllDisabled)
+    {
+        d3d11::InitializeFrontendFeatures(mAdapterDescription, features);
+    }
+    ApplyFeatureOverrides(features, mDisplay->getState());
+}
+
+DeviceImpl *Renderer11::createEGLDevice()
+{
+    return new DeviceD3D(EGL_D3D11_DEVICE_ANGLE, mDevice);
+}
+
+ContextImpl *Renderer11::createContext(const gl::State &state, gl::ErrorSet *errorSet)
+{
+    return new Context11(state, errorSet, this);
+}
+
+FramebufferImpl *Renderer11::createDefaultFramebuffer(const gl::FramebufferState &state)
+{
+    return new Framebuffer11(state, this);
+}
+
+angle::Result Renderer11::getScratchMemoryBuffer(Context11 *context11,
+                                                 size_t requestedSize,
+                                                 angle::MemoryBuffer **bufferOut)
+{
+    ANGLE_CHECK_GL_ALLOC(context11, mScratchMemoryBuffer.get(requestedSize, bufferOut));
+    return angle::Result::Continue;
+}
+
+gl::Version Renderer11::getMaxSupportedESVersion() const
+{
+    return d3d11_gl::GetMaximumClientVersion(mRenderer11DeviceCaps);
+}
+
+gl::Version Renderer11::getMaxConformantESVersion() const
+{
+    // 3.1 support is in progress.
+    return std::min(getMaxSupportedESVersion(), gl::Version(3, 0));
+}
+
+DebugAnnotatorContext11 *Renderer11::getDebugAnnotatorContext()
+{
+    return &mAnnotatorContext;
+}
+
+angle::Result Renderer11::dispatchCompute(const gl::Context *context,
+                                          GLuint numGroupsX,
+                                          GLuint numGroupsY,
+                                          GLuint numGroupsZ)
+{
+    const gl::State &glState   = context->getState();
+    const gl::Program *program = glState.getProgram();
+    if (program->getActiveShaderStorageBlockCount() > 0 ||
+        program->getActiveAtomicCounterBufferCount() > 0)
+    {
+        ANGLE_TRY(markRawBufferUsage(context));
+    }
+    ANGLE_TRY(markTypedBufferUsage(context));
+    ANGLE_TRY(mStateManager.updateStateForCompute(context, numGroupsX, numGroupsY, numGroupsZ));
+    mDeviceContext->Dispatch(numGroupsX, numGroupsY, numGroupsZ);
+
+    return angle::Result::Continue;
+}
+angle::Result Renderer11::dispatchComputeIndirect(const gl::Context *context, GLintptr indirect)
+{
+    const auto &glState        = context->getState();
+    const gl::Program *program = glState.getProgram();
+    if (program->getActiveShaderStorageBlockCount() > 0 ||
+        program->getActiveAtomicCounterBufferCount() > 0)
+    {
+        ANGLE_TRY(markRawBufferUsage(context));
+    }
+
+    auto *dispatchIndirectBuffer = glState.getTargetBuffer(gl::BufferBinding::DispatchIndirect);
+    ASSERT(dispatchIndirectBuffer);
+
+    Buffer11 *storage         = GetImplAs<Buffer11>(dispatchIndirectBuffer);
+    const uint8_t *bufferData = nullptr;
+    // TODO(jie.a.chen@intel.com): num_groups_x,y,z have to be written into the driver constant
+    // buffer for the built-in variable gl_NumWorkGroups. There is an opportunity for optimization
+    // to use GPU->GPU copy instead.
+    // http://anglebug.com/2807
+    ANGLE_TRY(storage->getData(context, &bufferData));
+    const GLuint *groups = reinterpret_cast<const GLuint *>(bufferData + indirect);
+    ANGLE_TRY(mStateManager.updateStateForCompute(context, groups[0], groups[1], groups[2]));
+
+    ID3D11Buffer *buffer = nullptr;
+    ANGLE_TRY(storage->getBuffer(context, BUFFER_USAGE_INDIRECT, &buffer));
+
+    mDeviceContext->DispatchIndirect(buffer, static_cast<UINT>(indirect));
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::createStagingTexture(const gl::Context *context,
+                                               ResourceType textureType,
+                                               const d3d11::Format &formatSet,
+                                               const gl::Extents &size,
+                                               StagingAccess readAndWriteAccess,
+                                               TextureHelper11 *textureOut)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (textureType == ResourceType::Texture2D)
+    {
+        D3D11_TEXTURE2D_DESC stagingDesc;
+        stagingDesc.Width              = size.width;
+        stagingDesc.Height             = size.height;
+        stagingDesc.MipLevels          = 1;
+        stagingDesc.ArraySize          = 1;
+        stagingDesc.Format             = formatSet.texFormat;
+        stagingDesc.SampleDesc.Count   = 1;
+        stagingDesc.SampleDesc.Quality = 0;
+        stagingDesc.Usage              = D3D11_USAGE_STAGING;
+        stagingDesc.BindFlags          = 0;
+        stagingDesc.CPUAccessFlags     = D3D11_CPU_ACCESS_READ;
+        stagingDesc.MiscFlags          = 0;
+
+        if (readAndWriteAccess == StagingAccess::READ_WRITE)
+        {
+            stagingDesc.CPUAccessFlags |= D3D11_CPU_ACCESS_WRITE;
+        }
+
+        ANGLE_TRY(allocateTexture(context11, stagingDesc, formatSet, textureOut));
+        return angle::Result::Continue;
+    }
+    ASSERT(textureType == ResourceType::Texture3D);
+
+    D3D11_TEXTURE3D_DESC stagingDesc;
+    stagingDesc.Width          = size.width;
+    stagingDesc.Height         = size.height;
+    stagingDesc.Depth          = 1;
+    stagingDesc.MipLevels      = 1;
+    stagingDesc.Format         = formatSet.texFormat;
+    stagingDesc.Usage          = D3D11_USAGE_STAGING;
+    stagingDesc.BindFlags      = 0;
+    stagingDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
+    stagingDesc.MiscFlags      = 0;
+
+    ANGLE_TRY(allocateTexture(context11, stagingDesc, formatSet, textureOut));
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::allocateTexture(d3d::Context *context,
+                                          const D3D11_TEXTURE2D_DESC &desc,
+                                          const d3d11::Format &format,
+                                          const D3D11_SUBRESOURCE_DATA *initData,
+                                          TextureHelper11 *textureOut)
+{
+    d3d11::Texture2D texture;
+    ANGLE_TRY(mResourceManager11.allocate(context, this, &desc, initData, &texture));
+    textureOut->init(std::move(texture), desc, format);
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::allocateTexture(d3d::Context *context,
+                                          const D3D11_TEXTURE3D_DESC &desc,
+                                          const d3d11::Format &format,
+                                          const D3D11_SUBRESOURCE_DATA *initData,
+                                          TextureHelper11 *textureOut)
+{
+    d3d11::Texture3D texture;
+    ANGLE_TRY(mResourceManager11.allocate(context, this, &desc, initData, &texture));
+    textureOut->init(std::move(texture), desc, format);
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::getBlendState(const gl::Context *context,
+                                        const d3d11::BlendStateKey &key,
+                                        const d3d11::BlendState **outBlendState)
+{
+    return mStateCache.getBlendState(context, this, key, outBlendState);
+}
+
+angle::Result Renderer11::getRasterizerState(const gl::Context *context,
+                                             const gl::RasterizerState &rasterState,
+                                             bool scissorEnabled,
+                                             ID3D11RasterizerState **outRasterizerState)
+{
+    return mStateCache.getRasterizerState(context, this, rasterState, scissorEnabled,
+                                          outRasterizerState);
+}
+
+angle::Result Renderer11::getDepthStencilState(const gl::Context *context,
+                                               const gl::DepthStencilState &dsState,
+                                               const d3d11::DepthStencilState **outDSState)
+{
+    return mStateCache.getDepthStencilState(context, this, dsState, outDSState);
+}
+
+angle::Result Renderer11::getSamplerState(const gl::Context *context,
+                                          const gl::SamplerState &samplerState,
+                                          ID3D11SamplerState **outSamplerState)
+{
+    return mStateCache.getSamplerState(context, this, samplerState, outSamplerState);
+}
+
+UINT Renderer11::getSampleDescQuality(GLuint supportedSamples) const
+{
+    // Per the documentation on
+    // https://docs.microsoft.com/en-us/windows/win32/api/d3d11/ne-d3d11-d3d11_standard_multisample_quality_levels
+    // applications can only request the standard multisample pattern on
+    // feature levels 10_1 and above.
+    if (supportedSamples > 0 && mDevice->GetFeatureLevel() >= D3D_FEATURE_LEVEL_10_1)
+    {
+        return D3D11_STANDARD_MULTISAMPLE_PATTERN;
+    }
+    return 0;
+}
+
+angle::Result Renderer11::clearRenderTarget(const gl::Context *context,
+                                            RenderTargetD3D *renderTarget,
+                                            const gl::ColorF &clearColorValue,
+                                            const float clearDepthValue,
+                                            const unsigned int clearStencilValue)
+{
+    RenderTarget11 *rt11 = GetAs<RenderTarget11>(renderTarget);
+
+    if (rt11->getFormatSet().dsvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        ASSERT(rt11->getDepthStencilView().valid());
+
+        const auto &format    = rt11->getFormatSet();
+        const UINT clearFlags = (format.format().depthBits > 0 ? D3D11_CLEAR_DEPTH : 0) |
+                                (format.format().stencilBits ? D3D11_CLEAR_STENCIL : 0);
+        mDeviceContext->ClearDepthStencilView(rt11->getDepthStencilView().get(), clearFlags,
+                                              clearDepthValue,
+                                              static_cast<UINT8>(clearStencilValue));
+        return angle::Result::Continue;
+    }
+
+    ASSERT(rt11->getRenderTargetView().valid());
+    ID3D11RenderTargetView *rtv = rt11->getRenderTargetView().get();
+
+    // There are complications with some types of RTV and FL 9_3 with ClearRenderTargetView.
+    // See https://msdn.microsoft.com/en-us/library/windows/desktop/ff476388(v=vs.85).aspx
+    ASSERT(mRenderer11DeviceCaps.featureLevel > D3D_FEATURE_LEVEL_9_3 || !IsArrayRTV(rtv));
+
+    const auto &d3d11Format = rt11->getFormatSet();
+    const auto &glFormat    = gl::GetSizedInternalFormatInfo(renderTarget->getInternalFormat());
+
+    gl::ColorF safeClearColor = clearColorValue;
+
+    if (d3d11Format.format().alphaBits > 0 && glFormat.alphaBits == 0)
+    {
+        safeClearColor.alpha = 1.0f;
+    }
+
+    mDeviceContext->ClearRenderTargetView(rtv, &safeClearColor.red);
+    return angle::Result::Continue;
+}
+
+bool Renderer11::canSelectViewInVertexShader() const
+{
+    return !getFeatures().selectViewInGeometryShader.enabled &&
+           getRenderer11DeviceCaps().supportsVpRtIndexWriteFromVertexShader;
+}
+
+angle::Result Renderer11::mapResource(const gl::Context *context,
+                                      ID3D11Resource *resource,
+                                      UINT subResource,
+                                      D3D11_MAP mapType,
+                                      UINT mapFlags,
+                                      D3D11_MAPPED_SUBRESOURCE *mappedResource)
+{
+    HRESULT hr = mDeviceContext->Map(resource, subResource, mapType, mapFlags, mappedResource);
+    ANGLE_TRY_HR(GetImplAs<Context11>(context), hr, "Failed to map D3D11 resource.");
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::markTypedBufferUsage(const gl::Context *context)
+{
+    const gl::State &glState = context->getState();
+    ProgramD3D *programD3D   = GetImplAs<ProgramD3D>(glState.getProgram());
+    gl::RangeUI imageRange   = programD3D->getUsedImageRange(gl::ShaderType::Compute, false);
+    for (unsigned int imageIndex = imageRange.low(); imageIndex < imageRange.high(); imageIndex++)
+    {
+        GLint imageUnitIndex = programD3D->getImageMapping(gl::ShaderType::Compute, imageIndex,
+                                                           false, context->getCaps());
+        ASSERT(imageUnitIndex != -1);
+        const gl::ImageUnit &imageUnit = glState.getImageUnit(imageUnitIndex);
+        if (imageUnit.texture.get()->getType() == gl::TextureType::Buffer)
+        {
+            Buffer11 *buffer11 = GetImplAs<Buffer11>(imageUnit.texture.get()->getBuffer().get());
+            ANGLE_TRY(buffer11->markTypedBufferUsage(context));
+        }
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::markRawBufferUsage(const gl::Context *context)
+{
+    const gl::State &glState   = context->getState();
+    const gl::Program *program = glState.getProgram();
+    for (size_t blockIndex = 0; blockIndex < program->getActiveShaderStorageBlockCount();
+         blockIndex++)
+    {
+        GLuint binding = program->getShaderStorageBlockBinding(static_cast<GLuint>(blockIndex));
+        const auto &shaderStorageBuffer = glState.getIndexedShaderStorageBuffer(binding);
+        if (shaderStorageBuffer.get() != nullptr)
+        {
+            Buffer11 *bufferStorage = GetImplAs<Buffer11>(shaderStorageBuffer.get());
+            ANGLE_TRY(bufferStorage->markRawBufferUsage(context));
+        }
+    }
+
+    for (const auto &atomicCounterBuffer : program->getState().getAtomicCounterBuffers())
+    {
+        GLuint binding     = atomicCounterBuffer.binding;
+        const auto &buffer = glState.getIndexedAtomicCounterBuffer(binding);
+
+        if (buffer.get() != nullptr)
+        {
+            Buffer11 *bufferStorage = GetImplAs<Buffer11>(buffer.get());
+            ANGLE_TRY(bufferStorage->markRawBufferUsage(context));
+        }
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::markTransformFeedbackUsage(const gl::Context *context)
+{
+    const gl::State &glState                       = context->getState();
+    const gl::TransformFeedback *transformFeedback = glState.getCurrentTransformFeedback();
+    for (size_t i = 0; i < transformFeedback->getIndexedBufferCount(); i++)
+    {
+        const gl::OffsetBindingPointer<gl::Buffer> &binding =
+            transformFeedback->getIndexedBuffer(i);
+        if (binding.get() != nullptr)
+        {
+            BufferD3D *bufferD3D = GetImplAs<BufferD3D>(binding.get());
+            ANGLE_TRY(bufferD3D->markTransformFeedbackUsage(context));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer11::getIncompleteTexture(const gl::Context *context,
+                                               gl::TextureType type,
+                                               gl::Texture **textureOut)
+{
+    return GetImplAs<Context11>(context)->getIncompleteTexture(context, type, textureOut);
+}
+
+std::string Renderer11::getVendorString() const
+{
+    return GetVendorString(mAdapterDescription.VendorId);
+}
+
+std::string Renderer11::getVersionString(bool includeFullVersion) const
+{
+    std::ostringstream versionString;
+    versionString << "D3D11";
+    if (includeFullVersion && mRenderer11DeviceCaps.driverVersion.valid())
+    {
+        versionString << "-" << GetDriverVersionString(mRenderer11DeviceCaps.driverVersion.value());
+    }
+    return versionString.str();
+}
+
+RendererD3D *CreateRenderer11(egl::Display *display)
+{
+    return new Renderer11(display);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Renderer11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Renderer11.h
new file mode 100644
index 0000000000..6d4cb214af
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Renderer11.h
@@ -0,0 +1,632 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Renderer11.h: Defines a back-end specific class for the D3D11 renderer.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_
+
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/HLSLCompiler.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/DebugAnnotator11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderStateCache.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+#include "libANGLE/renderer/d3d/d3d11/StateManager11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace gl
+{
+class FramebufferAttachment;
+class ImageIndex;
+}  // namespace gl
+
+namespace rx
+{
+class Blit11;
+class Buffer11;
+class Clear11;
+class Context11;
+class IndexDataManager;
+struct PackPixelsParams;
+class PixelTransfer11;
+class RenderTarget11;
+class StreamingIndexBufferInterface;
+class Trim11;
+class VertexDataManager;
+
+struct Renderer11DeviceCaps
+{
+    Renderer11DeviceCaps();
+
+    D3D_FEATURE_LEVEL featureLevel;
+    bool supportsDXGI1_2;                         // Support for DXGI 1.2
+    bool supportsClearView;                       // Support for ID3D11DeviceContext1::ClearView
+    bool supportsConstantBufferOffsets;           // Support for Constant buffer offset
+    bool supportsVpRtIndexWriteFromVertexShader;  // VP/RT can be selected in the Vertex Shader
+                                                  // stage.
+    bool supportsMultisampledDepthStencilSRVs;   // D3D feature level 10.0 no longer allows creation
+                                                 // of textures with both the bind SRV and DSV flags
+                                                 // when multisampled.  Textures will need to be
+                                                 // resolved before reading. crbug.com/656989
+    bool supportsTypedUAVLoadAdditionalFormats;  //
+    bool supportsRasterizerOrderViews;
+    bool allowES3OnFL10_0;
+    UINT B5G6R5support;     // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B5G6R5_UNORM
+    UINT B5G6R5maxSamples;  // Maximum number of samples supported by DXGI_FORMAT_B5G6R5_UNORM
+    UINT B4G4R4A4support;  // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B4G4R4A4_UNORM
+    UINT B4G4R4A4maxSamples;  // Maximum number of samples supported by DXGI_FORMAT_B4G4R4A4_UNORM
+    UINT B5G5R5A1support;  // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B5G5R5A1_UNORM
+    UINT B5G5R5A1maxSamples;  // Maximum number of samples supported by DXGI_FORMAT_B5G5R5A1_UNORM
+    Optional<LARGE_INTEGER> driverVersion;  // Four-part driver version number.
+};
+
+enum
+{
+    MAX_VERTEX_UNIFORM_VECTORS_D3D11   = 1024,
+    MAX_FRAGMENT_UNIFORM_VECTORS_D3D11 = 1024
+};
+
+class Renderer11 : public RendererD3D
+{
+  public:
+    explicit Renderer11(egl::Display *display);
+    ~Renderer11() override;
+
+    egl::Error initialize() override;
+    bool resetDevice() override;
+
+    egl::ConfigSet generateConfigs() override;
+    void generateDisplayExtensions(egl::DisplayExtensions *outExtensions) const override;
+
+    ContextImpl *createContext(const gl::State &state, gl::ErrorSet *errorSet) override;
+
+    angle::Result flush(Context11 *context11);
+    angle::Result finish(Context11 *context11);
+
+    bool isValidNativeWindow(EGLNativeWindowType window) const override;
+    NativeWindowD3D *createNativeWindow(EGLNativeWindowType window,
+                                        const egl::Config *config,
+                                        const egl::AttributeMap &attribs) const override;
+
+    SwapChainD3D *createSwapChain(NativeWindowD3D *nativeWindow,
+                                  HANDLE shareHandle,
+                                  IUnknown *d3dTexture,
+                                  GLenum backBufferFormat,
+                                  GLenum depthBufferFormat,
+                                  EGLint orientation,
+                                  EGLint samples) override;
+    egl::Error getD3DTextureInfo(const egl::Config *configuration,
+                                 IUnknown *d3dTexture,
+                                 const egl::AttributeMap &attribs,
+                                 EGLint *width,
+                                 EGLint *height,
+                                 GLsizei *samples,
+                                 gl::Format *glFormat,
+                                 const angle::Format **angleFormat,
+                                 UINT *arraySlice) const override;
+    egl::Error validateShareHandle(const egl::Config *config,
+                                   HANDLE shareHandle,
+                                   const egl::AttributeMap &attribs) const override;
+
+    // lost device
+    bool testDeviceLost() override;
+    bool testDeviceResettable() override;
+
+    DeviceIdentifier getAdapterIdentifier() const override;
+
+    unsigned int getReservedVertexUniformVectors() const;
+    unsigned int getReservedFragmentUniformVectors() const;
+    gl::ShaderMap<unsigned int> getReservedShaderUniformBuffers() const;
+
+    bool getShareHandleSupport() const;
+
+    int getMajorShaderModel() const override;
+    int getMinorShaderModel() const override;
+    std::string getShaderModelSuffix() const override;
+
+    // Pixel operations
+    angle::Result copyImage2D(const gl::Context *context,
+                              const gl::Framebuffer *framebuffer,
+                              const gl::Rectangle &sourceRect,
+                              GLenum destFormat,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              GLint level) override;
+    angle::Result copyImageCube(const gl::Context *context,
+                                const gl::Framebuffer *framebuffer,
+                                const gl::Rectangle &sourceRect,
+                                GLenum destFormat,
+                                const gl::Offset &destOffset,
+                                TextureStorage *storage,
+                                gl::TextureTarget target,
+                                GLint level) override;
+    angle::Result copyImage3D(const gl::Context *context,
+                              const gl::Framebuffer *framebuffer,
+                              const gl::Rectangle &sourceRect,
+                              GLenum destFormat,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              GLint level) override;
+    angle::Result copyImage2DArray(const gl::Context *context,
+                                   const gl::Framebuffer *framebuffer,
+                                   const gl::Rectangle &sourceRect,
+                                   GLenum destFormat,
+                                   const gl::Offset &destOffset,
+                                   TextureStorage *storage,
+                                   GLint level) override;
+
+    angle::Result copyTexture(const gl::Context *context,
+                              const gl::Texture *source,
+                              GLint sourceLevel,
+                              gl::TextureTarget srcTarget,
+                              const gl::Box &sourceBox,
+                              GLenum destFormat,
+                              GLenum destType,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              gl::TextureTarget destTarget,
+                              GLint destLevel,
+                              bool unpackFlipY,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha) override;
+    angle::Result copyCompressedTexture(const gl::Context *context,
+                                        const gl::Texture *source,
+                                        GLint sourceLevel,
+                                        TextureStorage *storage,
+                                        GLint destLevel) override;
+
+    // RenderTarget creation
+    angle::Result createRenderTarget(const gl::Context *context,
+                                     int width,
+                                     int height,
+                                     GLenum format,
+                                     GLsizei samples,
+                                     RenderTargetD3D **outRT) override;
+    angle::Result createRenderTargetCopy(const gl::Context *context,
+                                         RenderTargetD3D *source,
+                                         RenderTargetD3D **outRT) override;
+
+    // Shader operations
+    angle::Result loadExecutable(d3d::Context *context,
+                                 const uint8_t *function,
+                                 size_t length,
+                                 gl::ShaderType type,
+                                 const std::vector<D3DVarying> &streamOutVaryings,
+                                 bool separatedOutputBuffers,
+                                 ShaderExecutableD3D **outExecutable) override;
+    angle::Result compileToExecutable(d3d::Context *context,
+                                      gl::InfoLog &infoLog,
+                                      const std::string &shaderHLSL,
+                                      gl::ShaderType type,
+                                      const std::vector<D3DVarying> &streamOutVaryings,
+                                      bool separatedOutputBuffers,
+                                      const CompilerWorkaroundsD3D &workarounds,
+                                      ShaderExecutableD3D **outExectuable) override;
+    angle::Result ensureHLSLCompilerInitialized(d3d::Context *context) override;
+
+    UniformStorageD3D *createUniformStorage(size_t storageSize) override;
+
+    // Image operations
+    ImageD3D *createImage() override;
+    ExternalImageSiblingImpl *createExternalImageSibling(const gl::Context *context,
+                                                         EGLenum target,
+                                                         EGLClientBuffer buffer,
+                                                         const egl::AttributeMap &attribs) override;
+    angle::Result generateMipmap(const gl::Context *context,
+                                 ImageD3D *dest,
+                                 ImageD3D *source) override;
+    angle::Result generateMipmapUsingD3D(const gl::Context *context,
+                                         TextureStorage *storage,
+                                         const gl::TextureState &textureState) override;
+    angle::Result copyImage(const gl::Context *context,
+                            ImageD3D *dest,
+                            ImageD3D *source,
+                            const gl::Box &sourceBox,
+                            const gl::Offset &destOffset,
+                            bool unpackFlipY,
+                            bool unpackPremultiplyAlpha,
+                            bool unpackUnmultiplyAlpha) override;
+
+    TextureStorage *createTextureStorage2D(SwapChainD3D *swapChain,
+                                           const std::string &label) override;
+    TextureStorage *createTextureStorageEGLImage(EGLImageD3D *eglImage,
+                                                 RenderTargetD3D *renderTargetD3D,
+                                                 const std::string &label) override;
+    TextureStorage *createTextureStorageExternal(egl::Stream *stream,
+                                                 const egl::Stream::GLTextureDescription &desc,
+                                                 const std::string &label) override;
+    TextureStorage *createTextureStorage2D(GLenum internalformat,
+                                           BindFlags bindFlags,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           int levels,
+                                           const std::string &label,
+                                           bool hintLevelZeroOnly) override;
+    TextureStorage *createTextureStorageCube(GLenum internalformat,
+                                             BindFlags bindFlags,
+                                             int size,
+                                             int levels,
+                                             bool hintLevelZeroOnly,
+                                             const std::string &label) override;
+    TextureStorage *createTextureStorage3D(GLenum internalformat,
+                                           BindFlags bindFlags,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           int levels,
+                                           const std::string &label) override;
+    TextureStorage *createTextureStorage2DArray(GLenum internalformat,
+                                                BindFlags bindFlags,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth,
+                                                int levels,
+                                                const std::string &label) override;
+    TextureStorage *createTextureStorage2DMultisample(GLenum internalformat,
+                                                      GLsizei width,
+                                                      GLsizei height,
+                                                      int levels,
+                                                      int samples,
+                                                      bool fixedSampleLocations,
+                                                      const std::string &label) override;
+
+    TextureStorage *createTextureStorageBuffer(const gl::OffsetBindingPointer<gl::Buffer> &buffer,
+                                               GLenum internalFormat,
+                                               const std::string &label) override;
+    TextureStorage *createTextureStorage2DMultisampleArray(GLenum internalformat,
+                                                           GLsizei width,
+                                                           GLsizei height,
+                                                           GLsizei depth,
+                                                           int levels,
+                                                           int samples,
+                                                           bool fixedSampleLocations,
+                                                           const std::string &label) override;
+
+    VertexBuffer *createVertexBuffer() override;
+    IndexBuffer *createIndexBuffer() override;
+
+    // Stream Creation
+    StreamProducerImpl *createStreamProducerD3DTexture(egl::Stream::ConsumerType consumerType,
+                                                       const egl::AttributeMap &attribs) override;
+
+    // D3D11-renderer specific methods
+    ID3D11Device *getDevice() { return mDevice; }
+    ID3D11Device1 *getDevice1() { return mDevice1; }
+    void *getD3DDevice() override;
+    ID3D11DeviceContext *getDeviceContext() { return mDeviceContext; }
+    ID3D11DeviceContext1 *getDeviceContext1IfSupported() { return mDeviceContext1; }
+    IDXGIFactory *getDxgiFactory() { return mDxgiFactory; }
+
+    angle::Result getBlendState(const gl::Context *context,
+                                const d3d11::BlendStateKey &key,
+                                const d3d11::BlendState **outBlendState);
+    angle::Result getRasterizerState(const gl::Context *context,
+                                     const gl::RasterizerState &rasterState,
+                                     bool scissorEnabled,
+                                     ID3D11RasterizerState **outRasterizerState);
+    angle::Result getDepthStencilState(const gl::Context *context,
+                                       const gl::DepthStencilState &dsState,
+                                       const d3d11::DepthStencilState **outDSState);
+    angle::Result getSamplerState(const gl::Context *context,
+                                  const gl::SamplerState &samplerState,
+                                  ID3D11SamplerState **outSamplerState);
+    UINT getSampleDescQuality(GLuint supportedSamples) const;
+
+    Blit11 *getBlitter() { return mBlit; }
+    Clear11 *getClearer() { return mClear; }
+    DebugAnnotatorContext11 *getDebugAnnotatorContext();
+
+    // Buffer-to-texture and Texture-to-buffer copies
+    bool supportsFastCopyBufferToTexture(GLenum internalFormat) const override;
+    angle::Result fastCopyBufferToTexture(const gl::Context *context,
+                                          const gl::PixelUnpackState &unpack,
+                                          gl::Buffer *unpackBuffer,
+                                          unsigned int offset,
+                                          RenderTargetD3D *destRenderTarget,
+                                          GLenum destinationFormat,
+                                          GLenum sourcePixelsType,
+                                          const gl::Box &destArea) override;
+
+    angle::Result packPixels(const gl::Context *context,
+                             const TextureHelper11 &textureHelper,
+                             const PackPixelsParams &params,
+                             uint8_t *pixelsOut);
+
+    bool getLUID(LUID *adapterLuid) const override;
+    VertexConversionType getVertexConversionType(angle::FormatID vertexFormatID) const override;
+    GLenum getVertexComponentType(angle::FormatID vertexFormatID) const override;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using this
+    // function.
+    angle::Result getVertexSpaceRequired(const gl::Context *context,
+                                         const gl::VertexAttribute &attrib,
+                                         const gl::VertexBinding &binding,
+                                         size_t count,
+                                         GLsizei instances,
+                                         GLuint baseInstance,
+                                         unsigned int *bytesRequiredOut) const override;
+
+    angle::Result readFromAttachment(const gl::Context *context,
+                                     const gl::FramebufferAttachment &srcAttachment,
+                                     const gl::Rectangle &sourceArea,
+                                     GLenum format,
+                                     GLenum type,
+                                     GLuint outputPitch,
+                                     const gl::PixelPackState &pack,
+                                     uint8_t *pixels);
+
+    angle::Result blitRenderbufferRect(const gl::Context *context,
+                                       const gl::Rectangle &readRect,
+                                       const gl::Rectangle &drawRect,
+                                       UINT readLayer,
+                                       UINT drawLayer,
+                                       RenderTargetD3D *readRenderTarget,
+                                       RenderTargetD3D *drawRenderTarget,
+                                       GLenum filter,
+                                       const gl::Rectangle *scissor,
+                                       bool colorBlit,
+                                       bool depthBlit,
+                                       bool stencilBlit);
+
+    bool isES3Capable() const;
+    const Renderer11DeviceCaps &getRenderer11DeviceCaps() const { return mRenderer11DeviceCaps; }
+
+    RendererClass getRendererClass() const override;
+    StateManager11 *getStateManager() { return &mStateManager; }
+
+    void onSwap();
+    void onBufferCreate(const Buffer11 *created);
+    void onBufferDelete(const Buffer11 *deleted);
+
+    DeviceImpl *createEGLDevice() override;
+
+    angle::Result drawArrays(const gl::Context *context,
+                             gl::PrimitiveMode mode,
+                             GLint firstVertex,
+                             GLsizei vertexCount,
+                             GLsizei instanceCount,
+                             GLuint baseInstance,
+                             bool isInstancedDraw);
+    angle::Result drawElements(const gl::Context *context,
+                               gl::PrimitiveMode mode,
+                               GLint startVertex,
+                               GLsizei indexCount,
+                               gl::DrawElementsType indexType,
+                               const void *indices,
+                               GLsizei instanceCount,
+                               GLint baseVertex,
+                               GLuint baseInstance,
+                               bool isInstancedDraw);
+    angle::Result drawArraysIndirect(const gl::Context *context, const void *indirect);
+    angle::Result drawElementsIndirect(const gl::Context *context, const void *indirect);
+
+    // Necessary hack for default framebuffers in D3D.
+    FramebufferImpl *createDefaultFramebuffer(const gl::FramebufferState &state) override;
+
+    angle::Result getScratchMemoryBuffer(Context11 *context11,
+                                         size_t requestedSize,
+                                         angle::MemoryBuffer **bufferOut);
+
+    gl::Version getMaxSupportedESVersion() const override;
+    gl::Version getMaxConformantESVersion() const override;
+
+    angle::Result dispatchCompute(const gl::Context *context,
+                                  GLuint numGroupsX,
+                                  GLuint numGroupsY,
+                                  GLuint numGroupsZ);
+    angle::Result dispatchComputeIndirect(const gl::Context *context, GLintptr indirect);
+
+    angle::Result createStagingTexture(const gl::Context *context,
+                                       ResourceType textureType,
+                                       const d3d11::Format &formatSet,
+                                       const gl::Extents &size,
+                                       StagingAccess readAndWriteAccess,
+                                       TextureHelper11 *textureOut);
+
+    template <typename DescT, typename ResourceT>
+    angle::Result allocateResource(d3d::Context *context, const DescT &desc, ResourceT *resourceOut)
+    {
+        return mResourceManager11.allocate(context, this, &desc, nullptr, resourceOut);
+    }
+
+    template <typename DescT, typename InitDataT, typename ResourceT>
+    angle::Result allocateResource(d3d::Context *context,
+                                   const DescT &desc,
+                                   InitDataT *initData,
+                                   ResourceT *resourceOut)
+    {
+        return mResourceManager11.allocate(context, this, &desc, initData, resourceOut);
+    }
+
+    template <typename InitDataT, typename ResourceT>
+    angle::Result allocateResourceNoDesc(d3d::Context *context,
+                                         InitDataT *initData,
+                                         ResourceT *resourceOut)
+    {
+        return mResourceManager11.allocate(context, this, nullptr, initData, resourceOut);
+    }
+
+    template <typename DescT>
+    angle::Result allocateTexture(d3d::Context *context,
+                                  const DescT &desc,
+                                  const d3d11::Format &format,
+                                  TextureHelper11 *textureOut)
+    {
+        return allocateTexture(context, desc, format, nullptr, textureOut);
+    }
+
+    angle::Result allocateTexture(d3d::Context *context,
+                                  const D3D11_TEXTURE2D_DESC &desc,
+                                  const d3d11::Format &format,
+                                  const D3D11_SUBRESOURCE_DATA *initData,
+                                  TextureHelper11 *textureOut);
+
+    angle::Result allocateTexture(d3d::Context *context,
+                                  const D3D11_TEXTURE3D_DESC &desc,
+                                  const d3d11::Format &format,
+                                  const D3D11_SUBRESOURCE_DATA *initData,
+                                  TextureHelper11 *textureOut);
+
+    angle::Result clearRenderTarget(const gl::Context *context,
+                                    RenderTargetD3D *renderTarget,
+                                    const gl::ColorF &clearColorValue,
+                                    const float clearDepthValue,
+                                    const unsigned int clearStencilValue) override;
+
+    bool canSelectViewInVertexShader() const override;
+
+    angle::Result mapResource(const gl::Context *context,
+                              ID3D11Resource *resource,
+                              UINT subResource,
+                              D3D11_MAP mapType,
+                              UINT mapFlags,
+                              D3D11_MAPPED_SUBRESOURCE *mappedResource);
+
+    angle::Result getIncompleteTexture(const gl::Context *context,
+                                       gl::TextureType type,
+                                       gl::Texture **textureOut) override;
+
+    void setGlobalDebugAnnotator() override;
+
+    std::string getRendererDescription() const override;
+    std::string getVendorString() const override;
+    std::string getVersionString(bool includeFullVersion) const override;
+
+  private:
+    void generateCaps(gl::Caps *outCaps,
+                      gl::TextureCapsMap *outTextureCaps,
+                      gl::Extensions *outExtensions,
+                      gl::Limitations *outLimitations) const override;
+
+    void initializeFeatures(angle::FeaturesD3D *features) const override;
+
+    void initializeFrontendFeatures(angle::FrontendFeatures *features) const override;
+
+    angle::Result drawLineLoop(const gl::Context *context,
+                               GLuint count,
+                               gl::DrawElementsType type,
+                               const void *indices,
+                               int baseVertex,
+                               int instances);
+    angle::Result drawTriangleFan(const gl::Context *context,
+                                  GLuint count,
+                                  gl::DrawElementsType type,
+                                  const void *indices,
+                                  int baseVertex,
+                                  int instances);
+
+    angle::Result resolveMultisampledTexture(const gl::Context *context,
+                                             RenderTarget11 *renderTarget,
+                                             bool depth,
+                                             bool stencil,
+                                             TextureHelper11 *textureOut);
+
+    void populateRenderer11DeviceCaps();
+
+    void updateHistograms();
+
+    angle::Result copyImageInternal(const gl::Context *context,
+                                    const gl::Framebuffer *framebuffer,
+                                    const gl::Rectangle &sourceRect,
+                                    GLenum destFormat,
+                                    const gl::Offset &destOffset,
+                                    RenderTargetD3D *destRenderTarget);
+
+    gl::SupportedSampleSet generateSampleSetForEGLConfig(
+        const gl::TextureCaps &colorBufferFormatCaps,
+        const gl::TextureCaps &depthStencilBufferFormatCaps) const;
+
+    HRESULT callD3D11CreateDevice(PFN_D3D11_CREATE_DEVICE createDevice, bool debug);
+    HRESULT callD3D11On12CreateDevice(PFN_D3D12_CREATE_DEVICE createDevice12,
+                                      PFN_D3D11ON12_CREATE_DEVICE createDevice11on12,
+                                      bool debug);
+    egl::Error initializeD3DDevice();
+    egl::Error initializeDevice();
+    void releaseDeviceResources();
+    void release();
+
+    d3d11::ANGLED3D11DeviceType getDeviceType() const;
+
+    // Make sure that the raw buffer is the latest buffer.
+    angle::Result markRawBufferUsage(const gl::Context *context);
+    angle::Result markTypedBufferUsage(const gl::Context *context);
+    angle::Result markTransformFeedbackUsage(const gl::Context *context);
+    angle::Result drawWithGeometryShaderAndTransformFeedback(Context11 *context11,
+                                                             gl::PrimitiveMode mode,
+                                                             UINT instanceCount,
+                                                             UINT vertexCount);
+
+    HMODULE mD3d11Module;
+    HMODULE mD3d12Module;
+    HMODULE mDxgiModule;
+    HMODULE mDCompModule;
+    std::vector<D3D_FEATURE_LEVEL> mAvailableFeatureLevels;
+    D3D_DRIVER_TYPE mRequestedDriverType;
+    bool mCreateDebugDevice;
+    bool mCreatedWithDeviceEXT;
+
+    HLSLCompiler mCompiler;
+
+    RenderStateCache mStateCache;
+
+    StateManager11 mStateManager;
+
+    StreamingIndexBufferInterface *mLineLoopIB;
+    StreamingIndexBufferInterface *mTriangleFanIB;
+
+    // Texture copy resources
+    Blit11 *mBlit;
+    PixelTransfer11 *mPixelTransfer;
+
+    // Masked clear resources
+    Clear11 *mClear;
+
+    // Perform trim for D3D resources
+    Trim11 *mTrim;
+
+    // Sync query
+    d3d11::Query mSyncQuery;
+
+    // Created objects state tracking
+    std::set<const Buffer11 *> mAliveBuffers;
+
+    double mLastHistogramUpdateTime;
+
+    angle::ComPtr<ID3D12Device> mDevice12;
+    angle::ComPtr<ID3D12CommandQueue> mCommandQueue;
+
+    ID3D11Device *mDevice;
+    ID3D11Device1 *mDevice1;
+    Renderer11DeviceCaps mRenderer11DeviceCaps;
+    ID3D11DeviceContext *mDeviceContext;
+    ID3D11DeviceContext1 *mDeviceContext1;
+    ID3D11DeviceContext3 *mDeviceContext3;
+    IDXGIAdapter *mDxgiAdapter;
+    DXGI_ADAPTER_DESC mAdapterDescription;
+    char mDescription[128];
+    IDXGIFactory *mDxgiFactory;
+    ID3D11Debug *mDebug;
+
+    std::vector<GLuint> mScratchIndexDataBuffer;
+
+    angle::ScratchBuffer mScratchMemoryBuffer;
+
+    DebugAnnotatorContext11 mAnnotatorContext;
+
+    mutable Optional<bool> mSupportsShareHandles;
+    ResourceManager11 mResourceManager11;
+
+    TextureHelper11 mCachedResolveTexture;
+};
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ResourceManager11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ResourceManager11.cpp
new file mode 100644
index 0000000000..ebf2db497f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ResourceManager11.cpp
@@ -0,0 +1,560 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ResourceManager11:
+//   Centralized point of allocation for all D3D11 Resources.
+
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+#include "common/debug.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+
+namespace rx
+{
+
+namespace
+{
+
+constexpr uint8_t kDebugInitTextureDataValue = 0x48;
+constexpr FLOAT kDebugColorInitClearValue[4] = {0.3f, 0.5f, 0.7f, 0.5f};
+constexpr FLOAT kDebugDepthInitValue         = 0.2f;
+constexpr UINT8 kDebugStencilInitValue       = 3;
+
+// A hard limit on buffer size. This works around a problem in the NVIDIA drivers where buffer sizes
+// close to MAX_UINT would give undefined results. The limit of MAX_UINT/2 should be generous enough
+// for almost any demanding application.
+constexpr UINT kMaximumBufferSizeHardLimit = std::numeric_limits<UINT>::max() >> 1;
+
+uint64_t ComputeMippedMemoryUsage(unsigned int width,
+                                  unsigned int height,
+                                  unsigned int depth,
+                                  uint64_t pixelSize,
+                                  unsigned int mipLevels)
+{
+    uint64_t sizeSum = 0;
+
+    for (unsigned int level = 0; level < mipLevels; ++level)
+    {
+        unsigned int mipWidth  = std::max(width >> level, 1u);
+        unsigned int mipHeight = std::max(height >> level, 1u);
+        unsigned int mipDepth  = std::max(depth >> level, 1u);
+        sizeSum += static_cast<uint64_t>(mipWidth * mipHeight * mipDepth) * pixelSize;
+    }
+
+    return sizeSum;
+}
+
+uint64_t ComputeMemoryUsage(const D3D11_TEXTURE2D_DESC *desc)
+{
+    ASSERT(desc);
+    uint64_t pixelBytes =
+        static_cast<uint64_t>(d3d11::GetDXGIFormatSizeInfo(desc->Format).pixelBytes);
+    return ComputeMippedMemoryUsage(desc->Width, desc->Height, 1, pixelBytes, desc->MipLevels);
+}
+
+uint64_t ComputeMemoryUsage(const D3D11_TEXTURE3D_DESC *desc)
+{
+    ASSERT(desc);
+    uint64_t pixelBytes =
+        static_cast<uint64_t>(d3d11::GetDXGIFormatSizeInfo(desc->Format).pixelBytes);
+    return ComputeMippedMemoryUsage(desc->Width, desc->Height, desc->Depth, pixelBytes,
+                                    desc->MipLevels);
+}
+
+uint64_t ComputeMemoryUsage(const D3D11_BUFFER_DESC *desc)
+{
+    ASSERT(desc);
+    return static_cast<uint64_t>(desc->ByteWidth);
+}
+
+template <typename T>
+uint64_t ComputeMemoryUsage(const T *desc)
+{
+    return 0;
+}
+
+template <ResourceType ResourceT>
+uint64_t ComputeGenericMemoryUsage(ID3D11DeviceChild *genericResource)
+{
+    auto *typedResource = static_cast<GetD3D11Type<ResourceT> *>(genericResource);
+    GetDescType<ResourceT> desc;
+    typedResource->GetDesc(&desc);
+    return ComputeMemoryUsage(&desc);
+}
+
+uint64_t ComputeGenericMemoryUsage(ResourceType resourceType, ID3D11DeviceChild *resource)
+{
+    switch (resourceType)
+    {
+        case ResourceType::Texture2D:
+            return ComputeGenericMemoryUsage<ResourceType::Texture2D>(resource);
+        case ResourceType::Texture3D:
+            return ComputeGenericMemoryUsage<ResourceType::Texture3D>(resource);
+        case ResourceType::Buffer:
+            return ComputeGenericMemoryUsage<ResourceType::Buffer>(resource);
+
+        default:
+            return 0;
+    }
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_BLEND_DESC *desc,
+                       void * /*initData*/,
+                       ID3D11BlendState **blendState)
+{
+    return device->CreateBlendState(desc, blendState);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_BUFFER_DESC *desc,
+                       const D3D11_SUBRESOURCE_DATA *initData,
+                       ID3D11Buffer **buffer)
+{
+    // Force buffers to be limited to a fixed max size.
+    if (desc->ByteWidth > kMaximumBufferSizeHardLimit)
+    {
+        return E_OUTOFMEMORY;
+    }
+
+    return device->CreateBuffer(desc, initData, buffer);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const ShaderData *desc,
+                       void * /*initData*/,
+                       ID3D11ComputeShader **resourceOut)
+{
+    return device->CreateComputeShader(desc->get(), desc->size(), nullptr, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_DEPTH_STENCIL_DESC *desc,
+                       void * /*initData*/,
+                       ID3D11DepthStencilState **resourceOut)
+{
+    return device->CreateDepthStencilState(desc, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_DEPTH_STENCIL_VIEW_DESC *desc,
+                       ID3D11Resource *resource,
+                       ID3D11DepthStencilView **resourceOut)
+{
+    return device->CreateDepthStencilView(resource, desc, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const ShaderData *desc,
+                       const std::vector<D3D11_SO_DECLARATION_ENTRY> *initData,
+                       ID3D11GeometryShader **resourceOut)
+{
+    if (initData)
+    {
+        return device->CreateGeometryShaderWithStreamOutput(
+            desc->get(), desc->size(), initData->data(), static_cast<UINT>(initData->size()),
+            nullptr, 0, 0, nullptr, resourceOut);
+    }
+    else
+    {
+        return device->CreateGeometryShader(desc->get(), desc->size(), nullptr, resourceOut);
+    }
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const InputElementArray *desc,
+                       const ShaderData *initData,
+                       ID3D11InputLayout **resourceOut)
+{
+    return device->CreateInputLayout(desc->get(), static_cast<UINT>(desc->size()), initData->get(),
+                                     initData->size(), resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const ShaderData *desc,
+                       void * /*initData*/,
+                       ID3D11PixelShader **resourceOut)
+{
+    return device->CreatePixelShader(desc->get(), desc->size(), nullptr, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_QUERY_DESC *desc,
+                       void * /*initData*/,
+                       ID3D11Query **resourceOut)
+{
+    return device->CreateQuery(desc, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_RASTERIZER_DESC *desc,
+                       void * /*initData*/,
+                       ID3D11RasterizerState **rasterizerState)
+{
+    return device->CreateRasterizerState(desc, rasterizerState);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_RENDER_TARGET_VIEW_DESC *desc,
+                       ID3D11Resource *resource,
+                       ID3D11RenderTargetView **renderTargetView)
+{
+    return device->CreateRenderTargetView(resource, desc, renderTargetView);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_SAMPLER_DESC *desc,
+                       void * /*initData*/,
+                       ID3D11SamplerState **resourceOut)
+{
+    return device->CreateSamplerState(desc, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_SHADER_RESOURCE_VIEW_DESC *desc,
+                       ID3D11Resource *resource,
+                       ID3D11ShaderResourceView **resourceOut)
+{
+    return device->CreateShaderResourceView(resource, desc, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_UNORDERED_ACCESS_VIEW_DESC *desc,
+                       ID3D11Resource *resource,
+                       ID3D11UnorderedAccessView **resourceOut)
+{
+    return device->CreateUnorderedAccessView(resource, desc, resourceOut);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_TEXTURE2D_DESC *desc,
+                       const D3D11_SUBRESOURCE_DATA *initData,
+                       ID3D11Texture2D **texture)
+{
+    return device->CreateTexture2D(desc, initData, texture);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const D3D11_TEXTURE3D_DESC *desc,
+                       const D3D11_SUBRESOURCE_DATA *initData,
+                       ID3D11Texture3D **texture)
+{
+    return device->CreateTexture3D(desc, initData, texture);
+}
+
+HRESULT CreateResource(ID3D11Device *device,
+                       const ShaderData *desc,
+                       void * /*initData*/,
+                       ID3D11VertexShader **resourceOut)
+{
+    return device->CreateVertexShader(desc->get(), desc->size(), nullptr, resourceOut);
+}
+
+DXGI_FORMAT GetTypedDepthStencilFormat(DXGI_FORMAT dxgiFormat)
+{
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_R16_TYPELESS:
+            return DXGI_FORMAT_D16_UNORM;
+        case DXGI_FORMAT_R24G8_TYPELESS:
+            return DXGI_FORMAT_D24_UNORM_S8_UINT;
+        case DXGI_FORMAT_R32_TYPELESS:
+            return DXGI_FORMAT_D32_FLOAT;
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+            return DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
+        default:
+            return dxgiFormat;
+    }
+}
+
+template <typename DescT, typename ResourceT>
+angle::Result ClearResource(d3d::Context *context,
+                            Renderer11 *renderer,
+                            const DescT *desc,
+                            ResourceT *texture)
+{
+    // No-op.
+    return angle::Result::Continue;
+}
+
+template <>
+angle::Result ClearResource(d3d::Context *context,
+                            Renderer11 *renderer,
+                            const D3D11_TEXTURE2D_DESC *desc,
+                            ID3D11Texture2D *texture)
+{
+    ID3D11DeviceContext *deviceContext = renderer->getDeviceContext();
+
+    if ((desc->BindFlags & D3D11_BIND_DEPTH_STENCIL) != 0)
+    {
+        D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+        dsvDesc.Flags  = 0;
+        dsvDesc.Format = GetTypedDepthStencilFormat(desc->Format);
+
+        const auto &format = d3d11_angle::GetFormat(dsvDesc.Format);
+        UINT clearFlags    = (format.depthBits > 0 ? D3D11_CLEAR_DEPTH : 0) |
+                          (format.stencilBits > 0 ? D3D11_CLEAR_STENCIL : 0);
+
+        // Must process each mip level individually.
+        for (UINT mipLevel = 0; mipLevel < desc->MipLevels; ++mipLevel)
+        {
+            if (desc->SampleDesc.Count == 0)
+            {
+                dsvDesc.Texture2D.MipSlice = mipLevel;
+                dsvDesc.ViewDimension      = D3D11_DSV_DIMENSION_TEXTURE2D;
+            }
+            else
+            {
+                dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2DMS;
+            }
+
+            d3d11::DepthStencilView dsv;
+            ANGLE_TRY(renderer->allocateResource(context, dsvDesc, texture, &dsv));
+
+            deviceContext->ClearDepthStencilView(dsv.get(), clearFlags, kDebugDepthInitValue,
+                                                 kDebugStencilInitValue);
+        }
+    }
+    else
+    {
+        ASSERT((desc->BindFlags & D3D11_BIND_RENDER_TARGET) != 0);
+        d3d11::RenderTargetView rtv;
+        ANGLE_TRY(renderer->allocateResourceNoDesc(context, texture, &rtv));
+
+        deviceContext->ClearRenderTargetView(rtv.get(), kDebugColorInitClearValue);
+    }
+
+    return angle::Result::Continue;
+}
+
+template <>
+angle::Result ClearResource(d3d::Context *context,
+                            Renderer11 *renderer,
+                            const D3D11_TEXTURE3D_DESC *desc,
+                            ID3D11Texture3D *texture)
+{
+    ID3D11DeviceContext *deviceContext = renderer->getDeviceContext();
+
+    ASSERT((desc->BindFlags & D3D11_BIND_DEPTH_STENCIL) == 0);
+    ASSERT((desc->BindFlags & D3D11_BIND_RENDER_TARGET) != 0);
+
+    d3d11::RenderTargetView rtv;
+    ANGLE_TRY(renderer->allocateResourceNoDesc(context, texture, &rtv));
+
+    deviceContext->ClearRenderTargetView(rtv.get(), kDebugColorInitClearValue);
+    return angle::Result::Continue;
+}
+
+#define ANGLE_RESOURCE_STRINGIFY_OP(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) \
+    "Error allocating " #RESTYPE,
+
+constexpr std::array<const char *, NumResourceTypes> kResourceTypeErrors = {
+    {ANGLE_RESOURCE_TYPE_OP(Stringify, ANGLE_RESOURCE_STRINGIFY_OP)}};
+static_assert(kResourceTypeErrors[NumResourceTypes - 1] != nullptr,
+              "All members must be initialized.");
+
+}  // anonymous namespace
+
+// ResourceManager11 Implementation.
+ResourceManager11::ResourceManager11() : mInitializeAllocations(false)
+{
+    for (auto &count : mAllocatedResourceCounts)
+    {
+        count = 0;
+    }
+    for (auto &memorySize : mAllocatedResourceDeviceMemory)
+    {
+        memorySize = 0;
+    }
+}
+
+ResourceManager11::~ResourceManager11()
+{
+    for (size_t count : mAllocatedResourceCounts)
+    {
+        ASSERT(count == 0);
+    }
+
+    for (uint64_t memorySize : mAllocatedResourceDeviceMemory)
+    {
+        ASSERT(memorySize == 0);
+    }
+}
+
+template <typename T>
+angle::Result ResourceManager11::allocate(d3d::Context *context,
+                                          Renderer11 *renderer,
+                                          const GetDescFromD3D11<T> *desc,
+                                          GetInitDataFromD3D11<T> *initData,
+                                          Resource11<T> *resourceOut)
+{
+    ID3D11Device *device = renderer->getDevice();
+    T *resource          = nullptr;
+
+    GetInitDataFromD3D11<T> *shadowInitData = initData;
+    if (!shadowInitData && mInitializeAllocations)
+    {
+        shadowInitData = createInitDataIfNeeded<T>(desc);
+    }
+
+    HRESULT hr = CreateResource(device, desc, shadowInitData, &resource);
+    ANGLE_TRY_HR(context, hr, kResourceTypeErrors[ResourceTypeIndex<T>()]);
+
+    if (!shadowInitData && mInitializeAllocations)
+    {
+        ANGLE_TRY(ClearResource(context, renderer, desc, resource));
+    }
+
+    ASSERT(resource);
+    incrResource(GetResourceTypeFromD3D11<T>(), ComputeMemoryUsage(desc));
+    *resourceOut = std::move(Resource11<T>(resource, this));
+    return angle::Result::Continue;
+}
+
+void ResourceManager11::incrResource(ResourceType resourceType, uint64_t memorySize)
+{
+    size_t typeIndex = ResourceTypeIndex(resourceType);
+
+    mAllocatedResourceCounts[typeIndex]++;
+    mAllocatedResourceDeviceMemory[typeIndex] += memorySize;
+
+    // This checks for integer overflow.
+    ASSERT(mAllocatedResourceCounts[typeIndex] > 0);
+    ASSERT(mAllocatedResourceDeviceMemory[typeIndex] >= memorySize);
+}
+
+void ResourceManager11::decrResource(ResourceType resourceType, uint64_t memorySize)
+{
+    size_t typeIndex = ResourceTypeIndex(resourceType);
+
+    ASSERT(mAllocatedResourceCounts[typeIndex] > 0);
+    mAllocatedResourceCounts[typeIndex]--;
+    ASSERT(mAllocatedResourceDeviceMemory[typeIndex] >= memorySize);
+    mAllocatedResourceDeviceMemory[typeIndex] -= memorySize;
+}
+
+void ResourceManager11::onReleaseGeneric(ResourceType resourceType, ID3D11DeviceChild *resource)
+{
+    ASSERT(resource);
+    decrResource(resourceType, ComputeGenericMemoryUsage(resourceType, resource));
+}
+
+template <>
+const D3D11_SUBRESOURCE_DATA *ResourceManager11::createInitDataIfNeeded<ID3D11Texture2D>(
+    const D3D11_TEXTURE2D_DESC *desc)
+{
+    ASSERT(desc);
+
+    if ((desc->BindFlags & (D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_RENDER_TARGET)) != 0)
+    {
+        // This will be done using ClearView methods.
+        return nullptr;
+    }
+
+    size_t requiredSize = static_cast<size_t>(ComputeMemoryUsage(desc));
+    if (mZeroMemory.size() < requiredSize)
+    {
+        if (!mZeroMemory.resize(requiredSize))
+        {
+            ERR() << "Failed to allocate D3D texture initialization data.";
+            return nullptr;
+        }
+        mZeroMemory.fill(kDebugInitTextureDataValue);
+    }
+
+    const auto &formatSizeInfo = d3d11::GetDXGIFormatSizeInfo(desc->Format);
+
+    UINT subresourceCount = desc->MipLevels * desc->ArraySize;
+    if (mShadowInitData.size() < subresourceCount)
+    {
+        mShadowInitData.resize(subresourceCount);
+    }
+
+    for (UINT mipLevel = 0; mipLevel < desc->MipLevels; ++mipLevel)
+    {
+        for (UINT arrayIndex = 0; arrayIndex < desc->ArraySize; ++arrayIndex)
+        {
+            UINT subresourceIndex = D3D11CalcSubresource(mipLevel, arrayIndex, desc->MipLevels);
+            D3D11_SUBRESOURCE_DATA *data = &mShadowInitData[subresourceIndex];
+
+            UINT levelWidth  = std::max(desc->Width >> mipLevel, 1u);
+            UINT levelHeight = std::max(desc->Height >> mipLevel, 1u);
+
+            data->SysMemPitch      = levelWidth * formatSizeInfo.pixelBytes;
+            data->SysMemSlicePitch = data->SysMemPitch * levelHeight;
+            data->pSysMem          = mZeroMemory.data();
+        }
+    }
+
+    return mShadowInitData.data();
+}
+
+template <>
+const D3D11_SUBRESOURCE_DATA *ResourceManager11::createInitDataIfNeeded<ID3D11Texture3D>(
+    const D3D11_TEXTURE3D_DESC *desc)
+{
+    ASSERT(desc);
+
+    if ((desc->BindFlags & D3D11_BIND_RENDER_TARGET) != 0)
+    {
+        // This will be done using ClearView methods.
+        return nullptr;
+    }
+
+    size_t requiredSize = static_cast<size_t>(ComputeMemoryUsage(desc));
+    if (mZeroMemory.size() < requiredSize)
+    {
+        if (!mZeroMemory.resize(requiredSize))
+        {
+            ERR() << "Failed to allocate D3D texture initialization data.";
+            return nullptr;
+        }
+        mZeroMemory.fill(kDebugInitTextureDataValue);
+    }
+
+    const auto &formatSizeInfo = d3d11::GetDXGIFormatSizeInfo(desc->Format);
+
+    UINT subresourceCount = desc->MipLevels;
+    if (mShadowInitData.size() < subresourceCount)
+    {
+        mShadowInitData.resize(subresourceCount);
+    }
+
+    for (UINT mipLevel = 0; mipLevel < desc->MipLevels; ++mipLevel)
+    {
+        UINT subresourceIndex        = D3D11CalcSubresource(mipLevel, 0, desc->MipLevels);
+        D3D11_SUBRESOURCE_DATA *data = &mShadowInitData[subresourceIndex];
+
+        UINT levelWidth  = std::max(desc->Width >> mipLevel, 1u);
+        UINT levelHeight = std::max(desc->Height >> mipLevel, 1u);
+
+        data->SysMemPitch      = levelWidth * formatSizeInfo.pixelBytes;
+        data->SysMemSlicePitch = data->SysMemPitch * levelHeight;
+        data->pSysMem          = mZeroMemory.data();
+    }
+
+    return mShadowInitData.data();
+}
+
+template <typename T>
+GetInitDataFromD3D11<T> *ResourceManager11::createInitDataIfNeeded(const GetDescFromD3D11<T> *desc)
+{
+    // No-op.
+    return nullptr;
+}
+
+void ResourceManager11::setAllocationsInitialized(bool initialize)
+{
+    mInitializeAllocations = initialize;
+}
+
+#define ANGLE_INSTANTIATE_OP(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) \
+                                                                               \
+    template angle::Result ResourceManager11::allocate(                        \
+        d3d::Context *, Renderer11 *, const DESCTYPE *, INITDATATYPE *, Resource11<D3D11TYPE> *);
+
+ANGLE_RESOURCE_TYPE_OP(Instantitate, ANGLE_INSTANTIATE_OP)
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ResourceManager11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ResourceManager11.h
new file mode 100644
index 0000000000..b013ab8358
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ResourceManager11.h
@@ -0,0 +1,411 @@
+//
+// Copyright 2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// ResourceManager11:
+//   Centralized point of allocation for all D3D11 Resources.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_RESOURCEFACTORY11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_RESOURCEFACTORY11_H_
+
+#include <array>
+#include <atomic>
+#include <memory>
+
+#include "common/MemoryBuffer.h"
+#include "common/angleutils.h"
+#include "common/debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/serial_utils.h"
+
+namespace rx
+{
+// These two methods are declared here to prevent circular includes.
+namespace d3d11
+{
+HRESULT SetDebugName(ID3D11DeviceChild *resource,
+                     const char *internalName,
+                     const std::string *khrDebugName);
+
+template <typename T>
+HRESULT SetDebugName(angle::ComPtr<T> &resource,
+                     const char *internalName,
+                     const std::string *khrDebugName)
+{
+    return SetDebugName(resource.Get(), internalName, khrDebugName);
+}
+}  // namespace d3d11
+
+namespace d3d
+{
+class Context;
+}  // namespace d3d
+
+class Renderer11;
+class ResourceManager11;
+template <typename T>
+class SharedResource11;
+class TextureHelper11;
+
+using InputElementArray = WrappedArray<D3D11_INPUT_ELEMENT_DESC>;
+using ShaderData        = WrappedArray<uint8_t>;
+
+// Format: ResourceType, D3D11 type, DESC type, init data type.
+#define ANGLE_RESOURCE_TYPE_OP(NAME, OP)                                                       \
+    OP(NAME, BlendState, ID3D11BlendState, D3D11_BLEND_DESC, void)                             \
+    OP(NAME, Buffer, ID3D11Buffer, D3D11_BUFFER_DESC, const D3D11_SUBRESOURCE_DATA)            \
+    OP(NAME, ComputeShader, ID3D11ComputeShader, ShaderData, void)                             \
+    OP(NAME, DepthStencilState, ID3D11DepthStencilState, D3D11_DEPTH_STENCIL_DESC, void)       \
+    OP(NAME, DepthStencilView, ID3D11DepthStencilView, D3D11_DEPTH_STENCIL_VIEW_DESC,          \
+       ID3D11Resource)                                                                         \
+    OP(NAME, GeometryShader, ID3D11GeometryShader, ShaderData,                                 \
+       const std::vector<D3D11_SO_DECLARATION_ENTRY>)                                          \
+    OP(NAME, InputLayout, ID3D11InputLayout, InputElementArray, const ShaderData)              \
+    OP(NAME, PixelShader, ID3D11PixelShader, ShaderData, void)                                 \
+    OP(NAME, Query, ID3D11Query, D3D11_QUERY_DESC, void)                                       \
+    OP(NAME, RasterizerState, ID3D11RasterizerState, D3D11_RASTERIZER_DESC, void)              \
+    OP(NAME, RenderTargetView, ID3D11RenderTargetView, D3D11_RENDER_TARGET_VIEW_DESC,          \
+       ID3D11Resource)                                                                         \
+    OP(NAME, SamplerState, ID3D11SamplerState, D3D11_SAMPLER_DESC, void)                       \
+    OP(NAME, ShaderResourceView, ID3D11ShaderResourceView, D3D11_SHADER_RESOURCE_VIEW_DESC,    \
+       ID3D11Resource)                                                                         \
+    OP(NAME, UnorderedAccessView, ID3D11UnorderedAccessView, D3D11_UNORDERED_ACCESS_VIEW_DESC, \
+       ID3D11Resource)                                                                         \
+    OP(NAME, Texture2D, ID3D11Texture2D, D3D11_TEXTURE2D_DESC, const D3D11_SUBRESOURCE_DATA)   \
+    OP(NAME, Texture3D, ID3D11Texture3D, D3D11_TEXTURE3D_DESC, const D3D11_SUBRESOURCE_DATA)   \
+    OP(NAME, VertexShader, ID3D11VertexShader, ShaderData, void)
+
+#define ANGLE_RESOURCE_TYPE_LIST(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) RESTYPE,
+
+enum class ResourceType
+{
+    ANGLE_RESOURCE_TYPE_OP(List, ANGLE_RESOURCE_TYPE_LIST) Last
+};
+
+#undef ANGLE_RESOURCE_TYPE_LIST
+
+constexpr size_t ResourceTypeIndex(ResourceType resourceType)
+{
+    return static_cast<size_t>(resourceType);
+}
+
+constexpr size_t NumResourceTypes = ResourceTypeIndex(ResourceType::Last);
+
+#define ANGLE_RESOURCE_TYPE_TO_D3D11(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) \
+                                                                                       \
+    template <>                                                                        \
+    struct NAME<ResourceType::RESTYPE>                                                 \
+    {                                                                                  \
+        using Value = D3D11TYPE;                                                       \
+    };
+
+#define ANGLE_RESOURCE_TYPE_TO_DESC(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) \
+                                                                                      \
+    template <>                                                                       \
+    struct NAME<ResourceType::RESTYPE>                                                \
+    {                                                                                 \
+        using Value = DESCTYPE;                                                       \
+    };
+
+#define ANGLE_RESOURCE_TYPE_TO_INIT_DATA(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) \
+                                                                                           \
+    template <>                                                                            \
+    struct NAME<ResourceType::RESTYPE>                                                     \
+    {                                                                                      \
+        using Value = INITDATATYPE;                                                        \
+    };
+
+#define ANGLE_RESOURCE_TYPE_TO_TYPE(NAME, OP) \
+    template <ResourceType Param>             \
+    struct NAME;                              \
+    ANGLE_RESOURCE_TYPE_OP(NAME, OP)          \
+                                              \
+    template <ResourceType Param>             \
+    struct NAME                               \
+    {};                                       \
+                                              \
+    template <ResourceType Param>             \
+    using Get##NAME = typename NAME<Param>::Value;
+
+ANGLE_RESOURCE_TYPE_TO_TYPE(D3D11Type, ANGLE_RESOURCE_TYPE_TO_D3D11)
+ANGLE_RESOURCE_TYPE_TO_TYPE(DescType, ANGLE_RESOURCE_TYPE_TO_DESC)
+ANGLE_RESOURCE_TYPE_TO_TYPE(InitDataType, ANGLE_RESOURCE_TYPE_TO_INIT_DATA)
+
+#undef ANGLE_RESOURCE_TYPE_TO_D3D11
+#undef ANGLE_RESOURCE_TYPE_TO_DESC
+#undef ANGLE_RESOURCE_TYPE_TO_INIT_DATA
+#undef ANGLE_RESOURCE_TYPE_TO_TYPE
+
+#define ANGLE_TYPE_TO_RESOURCE_TYPE(NAME, OP) \
+    template <typename Param>                 \
+    struct NAME;                              \
+    ANGLE_RESOURCE_TYPE_OP(NAME, OP)          \
+                                              \
+    template <typename Param>                 \
+    struct NAME                               \
+    {};                                       \
+                                              \
+    template <typename Param>                 \
+    constexpr ResourceType Get##NAME()        \
+    {                                         \
+        return NAME<Param>::Value;            \
+    }
+
+#define ANGLE_D3D11_TO_RESOURCE_TYPE(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) \
+                                                                                       \
+    template <>                                                                        \
+    struct NAME<D3D11TYPE>                                                             \
+    {                                                                                  \
+        static constexpr ResourceType Value = ResourceType::RESTYPE;                   \
+    };
+
+ANGLE_TYPE_TO_RESOURCE_TYPE(ResourceTypeFromD3D11, ANGLE_D3D11_TO_RESOURCE_TYPE)
+
+#undef ANGLE_D3D11_TO_RESOURCE_TYPE
+#undef ANGLE_TYPE_TO_RESOURCE_TYPE
+
+template <typename T>
+using GetDescFromD3D11 = GetDescType<ResourceTypeFromD3D11<T>::Value>;
+
+template <typename T>
+using GetInitDataFromD3D11 = GetInitDataType<ResourceTypeFromD3D11<T>::Value>;
+
+template <typename T>
+constexpr size_t ResourceTypeIndex()
+{
+    return static_cast<size_t>(GetResourceTypeFromD3D11<T>());
+}
+
+template <typename T>
+struct TypedData
+{
+    TypedData() {}
+    ~TypedData();
+
+    T *object                  = nullptr;
+    ResourceManager11 *manager = nullptr;
+};
+
+// Smart pointer type. Wraps the resource and a factory for safe deletion.
+template <typename T, template <class> class Pointer, typename DataT>
+class Resource11Base : angle::NonCopyable
+{
+  public:
+    T *get() const { return mData->object; }
+    T *const *getPointer() const { return &mData->object; }
+
+    void setInternalName(const char *name)
+    {
+        mInternalDebugName = name;
+        UpdateDebugNameWithD3D();
+    }
+
+    void setKHRDebugLabel(const std::string *label)
+    {
+        mKhrDebugName = label;
+        UpdateDebugNameWithD3D();
+    }
+
+    void setLabels(const char *name, const std::string *label)
+    {
+        mInternalDebugName = name;
+        mKhrDebugName      = label;
+        UpdateDebugNameWithD3D();
+    }
+
+    void set(T *object)
+    {
+        ASSERT(!valid());
+        mData->object = object;
+    }
+
+    bool valid() const { return (mData->object != nullptr); }
+
+    void reset()
+    {
+        if (valid())
+            mData.reset(new DataT());
+    }
+
+    ResourceSerial getSerial() const
+    {
+        return ResourceSerial(reinterpret_cast<uintptr_t>(mData->object));
+    }
+
+  protected:
+    friend class TextureHelper11;
+
+    Resource11Base() : mData(new DataT()) {}
+
+    Resource11Base(Resource11Base &&movedObj) : mData(new DataT())
+    {
+        std::swap(mData, movedObj.mData);
+    }
+
+    virtual ~Resource11Base() { mData.reset(); }
+
+    Resource11Base &operator=(Resource11Base &&movedObj)
+    {
+        std::swap(mData, movedObj.mData);
+        return *this;
+    }
+
+    Pointer<DataT> mData;
+
+  private:
+    void UpdateDebugNameWithD3D()
+    {
+        d3d11::SetDebugName(mData->object, mInternalDebugName, mKhrDebugName);
+    }
+
+    const std::string *mKhrDebugName = nullptr;
+    const char *mInternalDebugName   = nullptr;
+};
+
+template <typename T>
+using UniquePtr = typename std::unique_ptr<T, std::default_delete<T>>;
+
+template <typename ResourceT>
+class Resource11 : public Resource11Base<ResourceT, UniquePtr, TypedData<ResourceT>>
+{
+  public:
+    Resource11() {}
+    Resource11(Resource11 &&other)
+        : Resource11Base<ResourceT, UniquePtr, TypedData<ResourceT>>(std::move(other))
+    {}
+    Resource11 &operator=(Resource11 &&other)
+    {
+        std::swap(this->mData, other.mData);
+        return *this;
+    }
+
+  private:
+    template <typename T>
+    friend class SharedResource11;
+    friend class ResourceManager11;
+
+    Resource11(ResourceT *object, ResourceManager11 *manager)
+    {
+        this->mData->object  = object;
+        this->mData->manager = manager;
+    }
+};
+
+template <typename T>
+class SharedResource11 : public Resource11Base<T, std::shared_ptr, TypedData<T>>
+{
+  public:
+    SharedResource11() {}
+    SharedResource11(SharedResource11 &&movedObj)
+        : Resource11Base<T, std::shared_ptr, TypedData<T>>(std::move(movedObj))
+    {}
+
+    SharedResource11 &operator=(SharedResource11 &&other)
+    {
+        std::swap(this->mData, other.mData);
+        return *this;
+    }
+
+    SharedResource11 makeCopy() const
+    {
+        SharedResource11 copy;
+        copy.mData = this->mData;
+        return std::move(copy);
+    }
+
+  private:
+    friend class ResourceManager11;
+    SharedResource11(Resource11<T> &&obj) : Resource11Base<T, std::shared_ptr, TypedData<T>>()
+    {
+        std::swap(this->mData->manager, obj.mData->manager);
+
+        // Can't use std::swap because of ID3D11Resource.
+        auto temp           = this->mData->object;
+        this->mData->object = obj.mData->object;
+        obj.mData->object   = static_cast<T *>(temp);
+    }
+};
+
+class ResourceManager11 final : angle::NonCopyable
+{
+  public:
+    ResourceManager11();
+    ~ResourceManager11();
+
+    template <typename T>
+    angle::Result allocate(d3d::Context *context,
+                           Renderer11 *renderer,
+                           const GetDescFromD3D11<T> *desc,
+                           GetInitDataFromD3D11<T> *initData,
+                           Resource11<T> *resourceOut);
+
+    template <typename T>
+    angle::Result allocate(d3d::Context *context,
+                           Renderer11 *renderer,
+                           const GetDescFromD3D11<T> *desc,
+                           GetInitDataFromD3D11<T> *initData,
+                           SharedResource11<T> *sharedRes)
+    {
+        Resource11<T> res;
+        ANGLE_TRY(allocate(context, renderer, desc, initData, &res));
+        *sharedRes = std::move(res);
+        return angle::Result::Continue;
+    }
+
+    template <typename T>
+    void onRelease(T *resource)
+    {
+        onReleaseGeneric(GetResourceTypeFromD3D11<T>(), resource);
+    }
+
+    void onReleaseGeneric(ResourceType resourceType, ID3D11DeviceChild *resource);
+
+    void setAllocationsInitialized(bool initialize);
+
+  private:
+    void incrResource(ResourceType resourceType, uint64_t memorySize);
+    void decrResource(ResourceType resourceType, uint64_t memorySize);
+
+    template <typename T>
+    GetInitDataFromD3D11<T> *createInitDataIfNeeded(const GetDescFromD3D11<T> *desc);
+
+    bool mInitializeAllocations;
+
+    std::array<std::atomic_size_t, NumResourceTypes> mAllocatedResourceCounts;
+    std::array<std::atomic_uint64_t, NumResourceTypes> mAllocatedResourceDeviceMemory;
+    angle::MemoryBuffer mZeroMemory;
+
+    std::vector<D3D11_SUBRESOURCE_DATA> mShadowInitData;
+};
+
+template <typename ResourceT>
+TypedData<ResourceT>::~TypedData()
+{
+    if (object)
+    {
+        // We can have a nullptr factory when holding passed-in resources.
+        if (manager)
+        {
+            manager->onRelease(object);
+        }
+        object->Release();
+    }
+}
+
+#define ANGLE_RESOURCE_TYPE_CLASS(NAME, RESTYPE, D3D11TYPE, DESCTYPE, INITDATATYPE) \
+    using RESTYPE = Resource11<D3D11TYPE>;
+
+namespace d3d11
+{
+ANGLE_RESOURCE_TYPE_OP(ClassList, ANGLE_RESOURCE_TYPE_CLASS)
+
+using SharedSRV = SharedResource11<ID3D11ShaderResourceView>;
+using SharedUAV = SharedResource11<ID3D11UnorderedAccessView>;
+}  // namespace d3d11
+
+#undef ANGLE_RESOURCE_TYPE_CLASS
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_RESOURCEFACTORY11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.cpp
new file mode 100644
index 0000000000..a30ca417c1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.cpp
@@ -0,0 +1,116 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderExecutable11.cpp: Implements a D3D11-specific class to contain shader
+// executable implementation details.
+
+#include "libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+
+namespace rx
+{
+
+ShaderExecutable11::ShaderExecutable11(const void *function,
+                                       size_t length,
+                                       d3d11::PixelShader &&executable)
+    : ShaderExecutableD3D(function, length),
+      mPixelExecutable(std::move(executable)),
+      mVertexExecutable(),
+      mGeometryExecutable(),
+      mStreamOutExecutable(),
+      mComputeExecutable()
+{}
+
+ShaderExecutable11::ShaderExecutable11(const void *function,
+                                       size_t length,
+                                       d3d11::VertexShader &&executable,
+                                       d3d11::GeometryShader &&streamOut)
+    : ShaderExecutableD3D(function, length),
+      mPixelExecutable(),
+      mVertexExecutable(std::move(executable)),
+      mGeometryExecutable(),
+      mStreamOutExecutable(std::move(streamOut)),
+      mComputeExecutable()
+{}
+
+ShaderExecutable11::ShaderExecutable11(const void *function,
+                                       size_t length,
+                                       d3d11::GeometryShader &&executable)
+    : ShaderExecutableD3D(function, length),
+      mPixelExecutable(),
+      mVertexExecutable(),
+      mGeometryExecutable(std::move(executable)),
+      mStreamOutExecutable(),
+      mComputeExecutable()
+{}
+
+ShaderExecutable11::ShaderExecutable11(const void *function,
+                                       size_t length,
+                                       d3d11::ComputeShader &&executable)
+    : ShaderExecutableD3D(function, length),
+      mPixelExecutable(),
+      mVertexExecutable(),
+      mGeometryExecutable(),
+      mStreamOutExecutable(),
+      mComputeExecutable(std::move(executable))
+{}
+
+ShaderExecutable11::~ShaderExecutable11() {}
+
+const d3d11::VertexShader &ShaderExecutable11::getVertexShader() const
+{
+    return mVertexExecutable;
+}
+
+const d3d11::PixelShader &ShaderExecutable11::getPixelShader() const
+{
+    return mPixelExecutable;
+}
+
+const d3d11::GeometryShader &ShaderExecutable11::getGeometryShader() const
+{
+    return mGeometryExecutable;
+}
+
+const d3d11::GeometryShader &ShaderExecutable11::getStreamOutShader() const
+{
+    return mStreamOutExecutable;
+}
+
+const d3d11::ComputeShader &ShaderExecutable11::getComputeShader() const
+{
+    return mComputeExecutable;
+}
+
+UniformStorage11::UniformStorage11(size_t initialSize)
+    : UniformStorageD3D(initialSize), mConstantBuffer()
+{}
+
+UniformStorage11::~UniformStorage11() {}
+
+angle::Result UniformStorage11::getConstantBuffer(const gl::Context *context,
+                                                  Renderer11 *renderer,
+                                                  const d3d11::Buffer **bufferOut)
+{
+    if (size() > 0 && !mConstantBuffer.valid())
+    {
+        D3D11_BUFFER_DESC desc = {};
+        desc.ByteWidth         = static_cast<unsigned int>(size());
+        desc.Usage             = D3D11_USAGE_DEFAULT;
+        desc.BindFlags         = D3D11_BIND_CONSTANT_BUFFER;
+
+        ANGLE_TRY(
+            renderer->allocateResource(GetImplAs<Context11>(context), desc, &mConstantBuffer));
+    }
+
+    *bufferOut = &mConstantBuffer;
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h
new file mode 100644
index 0000000000..75c71b3238
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h
@@ -0,0 +1,69 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderExecutable11.h: Defines a D3D11-specific class to contain shader
+// executable implementation details.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_SHADEREXECUTABLE11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_SHADEREXECUTABLE11_H_
+
+#include "libANGLE/renderer/d3d/ShaderExecutableD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class Renderer11;
+class UniformStorage11;
+
+class ShaderExecutable11 : public ShaderExecutableD3D
+{
+  public:
+    ShaderExecutable11(const void *function, size_t length, d3d11::PixelShader &&executable);
+    ShaderExecutable11(const void *function,
+                       size_t length,
+                       d3d11::VertexShader &&executable,
+                       d3d11::GeometryShader &&streamOut);
+    ShaderExecutable11(const void *function, size_t length, d3d11::GeometryShader &&executable);
+    ShaderExecutable11(const void *function, size_t length, d3d11::ComputeShader &&executable);
+
+    ~ShaderExecutable11() override;
+
+    const d3d11::PixelShader &getPixelShader() const;
+    const d3d11::VertexShader &getVertexShader() const;
+    const d3d11::GeometryShader &getGeometryShader() const;
+    const d3d11::GeometryShader &getStreamOutShader() const;
+    const d3d11::ComputeShader &getComputeShader() const;
+
+  private:
+    d3d11::PixelShader mPixelExecutable;
+    d3d11::VertexShader mVertexExecutable;
+    d3d11::GeometryShader mGeometryExecutable;
+    d3d11::GeometryShader mStreamOutExecutable;
+    d3d11::ComputeShader mComputeExecutable;
+};
+
+class UniformStorage11 : public UniformStorageD3D
+{
+  public:
+    UniformStorage11(size_t initialSize);
+    ~UniformStorage11() override;
+
+    angle::Result getConstantBuffer(const gl::Context *context,
+                                    Renderer11 *renderer,
+                                    const d3d11::Buffer **bufferOut);
+
+  private:
+    d3d11::Buffer mConstantBuffer;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_SHADEREXECUTABLE11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StateManager11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StateManager11.cpp
new file mode 100644
index 0000000000..194c89d1c7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StateManager11.cpp
@@ -0,0 +1,4004 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// StateManager11.cpp: Defines a class for caching D3D11 state
+
+#include "libANGLE/renderer/d3d/d3d11/StateManager11.h"
+
+#include "common/angleutils.h"
+#include "common/bitset_utils.h"
+#include "common/mathutil.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Query.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Framebuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/IndexBuffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h"
+#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h"
+#include "libANGLE/renderer/d3d/d3d11/TransformFeedback11.h"
+#include "libANGLE/renderer/d3d/d3d11/VertexArray11.h"
+#include "libANGLE/renderer/d3d/d3d11/VertexBuffer11.h"
+
+namespace rx
+{
+
+namespace
+{
+bool ImageIndexConflictsWithSRV(const gl::ImageIndex &index, D3D11_SHADER_RESOURCE_VIEW_DESC desc)
+{
+    unsigned mipLevel           = index.getLevelIndex();
+    gl::TextureType textureType = index.getType();
+
+    switch (desc.ViewDimension)
+    {
+        case D3D11_SRV_DIMENSION_TEXTURE2D:
+        {
+            bool allLevels         = (desc.Texture2D.MipLevels == std::numeric_limits<UINT>::max());
+            unsigned int maxSrvMip = desc.Texture2D.MipLevels + desc.Texture2D.MostDetailedMip;
+            maxSrvMip              = allLevels ? INT_MAX : maxSrvMip;
+
+            unsigned mipMin = index.getLevelIndex();
+            unsigned mipMax = INT_MAX;
+
+            return textureType == gl::TextureType::_2D &&
+                   gl::RangeUI(mipMin, mipMax)
+                       .intersects(gl::RangeUI(desc.Texture2D.MostDetailedMip, maxSrvMip));
+        }
+
+        case D3D11_SRV_DIMENSION_TEXTURE2DARRAY:
+        {
+            GLint layerIndex = index.getLayerIndex();
+
+            bool allLevels = (desc.Texture2DArray.MipLevels == std::numeric_limits<UINT>::max());
+            unsigned int maxSrvMip =
+                desc.Texture2DArray.MipLevels + desc.Texture2DArray.MostDetailedMip;
+            maxSrvMip = allLevels ? INT_MAX : maxSrvMip;
+
+            unsigned maxSlice = desc.Texture2DArray.FirstArraySlice + desc.Texture2DArray.ArraySize;
+
+            // Cube maps can be mapped to Texture2DArray SRVs
+            return (textureType == gl::TextureType::_2DArray ||
+                    textureType == gl::TextureType::CubeMap) &&
+                   desc.Texture2DArray.MostDetailedMip <= mipLevel && mipLevel < maxSrvMip &&
+                   desc.Texture2DArray.FirstArraySlice <= static_cast<UINT>(layerIndex) &&
+                   static_cast<UINT>(layerIndex) < maxSlice;
+        }
+
+        case D3D11_SRV_DIMENSION_TEXTURECUBE:
+        {
+            bool allLevels = (desc.TextureCube.MipLevels == std::numeric_limits<UINT>::max());
+            unsigned int maxSrvMip = desc.TextureCube.MipLevels + desc.TextureCube.MostDetailedMip;
+            maxSrvMip              = allLevels ? INT_MAX : maxSrvMip;
+
+            return textureType == gl::TextureType::CubeMap &&
+                   desc.TextureCube.MostDetailedMip <= mipLevel && mipLevel < maxSrvMip;
+        }
+
+        case D3D11_SRV_DIMENSION_TEXTURE3D:
+        {
+            bool allLevels         = (desc.Texture3D.MipLevels == std::numeric_limits<UINT>::max());
+            unsigned int maxSrvMip = desc.Texture3D.MipLevels + desc.Texture3D.MostDetailedMip;
+            maxSrvMip              = allLevels ? INT_MAX : maxSrvMip;
+
+            return textureType == gl::TextureType::_3D &&
+                   desc.Texture3D.MostDetailedMip <= mipLevel && mipLevel < maxSrvMip;
+        }
+        default:
+            // We only handle the cases corresponding to valid image indexes
+            UNIMPLEMENTED();
+    }
+
+    return false;
+}
+
+bool ImageIndexConflictsWithUAV(const gl::ImageIndex &index, D3D11_UNORDERED_ACCESS_VIEW_DESC desc)
+{
+    unsigned mipLevel           = index.getLevelIndex();
+    gl::TextureType textureType = index.getType();
+
+    switch (desc.ViewDimension)
+    {
+        case D3D11_UAV_DIMENSION_TEXTURE2D:
+        {
+            return textureType == gl::TextureType::_2D && mipLevel == desc.Texture2D.MipSlice;
+        }
+
+        case D3D11_UAV_DIMENSION_TEXTURE2DARRAY:
+        {
+            GLint layerIndex         = index.getLayerIndex();
+            unsigned mipSlice        = desc.Texture2DArray.MipSlice;
+            unsigned firstArraySlice = desc.Texture2DArray.FirstArraySlice;
+            unsigned lastArraySlice  = firstArraySlice + desc.Texture2DArray.ArraySize;
+
+            return (textureType == gl::TextureType::_2DArray ||
+                    textureType == gl::TextureType::CubeMap) &&
+                   (mipLevel == mipSlice && gl::RangeUI(firstArraySlice, lastArraySlice)
+                                                .contains(static_cast<UINT>(layerIndex)));
+        }
+
+        case D3D11_UAV_DIMENSION_TEXTURE3D:
+        {
+            GLint layerIndex     = index.getLayerIndex();
+            unsigned mipSlice    = desc.Texture3D.MipSlice;
+            unsigned firstWSlice = desc.Texture3D.FirstWSlice;
+            unsigned lastWSlice  = firstWSlice + desc.Texture3D.WSize;
+
+            return textureType == gl::TextureType::_3D &&
+                   (mipLevel == mipSlice &&
+                    gl::RangeUI(firstWSlice, lastWSlice).contains(static_cast<UINT>(layerIndex)));
+        }
+        default:
+            return false;
+    }
+}
+
+// Does *not* increment the resource ref count!!
+ID3D11Resource *GetViewResource(ID3D11View *view)
+{
+    ID3D11Resource *resource = nullptr;
+    ASSERT(view);
+    view->GetResource(&resource);
+    resource->Release();
+    return resource;
+}
+
+int GetWrapBits(GLenum wrap)
+{
+    switch (wrap)
+    {
+        case GL_CLAMP_TO_EDGE:
+            return 0x0;
+        case GL_REPEAT:
+            return 0x1;
+        case GL_MIRRORED_REPEAT:
+            return 0x2;
+        case GL_CLAMP_TO_BORDER:
+            return 0x3;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+Optional<size_t> FindFirstNonInstanced(
+    const std::vector<const TranslatedAttribute *> &currentAttributes)
+{
+    for (size_t index = 0; index < currentAttributes.size(); ++index)
+    {
+        if (currentAttributes[index]->divisor == 0)
+        {
+            return Optional<size_t>(index);
+        }
+    }
+
+    return Optional<size_t>::Invalid();
+}
+
+void SortAttributesByLayout(const ProgramD3D &programD3D,
+                            const std::vector<TranslatedAttribute> &vertexArrayAttribs,
+                            const std::vector<TranslatedAttribute> &currentValueAttribs,
+                            AttribIndexArray *sortedD3DSemanticsOut,
+                            std::vector<const TranslatedAttribute *> *sortedAttributesOut)
+{
+    sortedAttributesOut->clear();
+
+    const AttribIndexArray &locationToSemantic = programD3D.getAttribLocationToD3DSemantics();
+    const gl::ProgramExecutable &executable    = programD3D.getState().getExecutable();
+
+    for (auto locationIndex : executable.getActiveAttribLocationsMask())
+    {
+        int d3dSemantic = locationToSemantic[locationIndex];
+        if (sortedAttributesOut->size() <= static_cast<size_t>(d3dSemantic))
+        {
+            sortedAttributesOut->resize(d3dSemantic + 1);
+        }
+
+        (*sortedD3DSemanticsOut)[d3dSemantic] = d3dSemantic;
+
+        const auto *arrayAttrib = &vertexArrayAttribs[locationIndex];
+        if (arrayAttrib->attribute && arrayAttrib->attribute->enabled)
+        {
+            (*sortedAttributesOut)[d3dSemantic] = arrayAttrib;
+        }
+        else
+        {
+            ASSERT(currentValueAttribs[locationIndex].attribute);
+            (*sortedAttributesOut)[d3dSemantic] = &currentValueAttribs[locationIndex];
+        }
+    }
+}
+
+void UpdateUniformBuffer(ID3D11DeviceContext *deviceContext,
+                         UniformStorage11 *storage,
+                         const d3d11::Buffer *buffer)
+{
+    deviceContext->UpdateSubresource(buffer->get(), 0, nullptr, storage->getDataPointer(0, 0), 0,
+                                     0);
+}
+
+size_t GetReservedBufferCount(bool usesPointSpriteEmulation)
+{
+    return usesPointSpriteEmulation ? 1 : 0;
+}
+
+bool CullsEverything(const gl::State &glState)
+{
+    return (glState.getRasterizerState().cullFace &&
+            glState.getRasterizerState().cullMode == gl::CullFaceMode::FrontAndBack);
+}
+}  // anonymous namespace
+
+// StateManager11::ViewCache Implementation.
+template <typename ViewType, typename DescType>
+StateManager11::ViewCache<ViewType, DescType>::ViewCache() : mHighestUsedView(0)
+{}
+
+template <typename ViewType, typename DescType>
+StateManager11::ViewCache<ViewType, DescType>::~ViewCache()
+{}
+
+template <typename ViewType, typename DescType>
+void StateManager11::ViewCache<ViewType, DescType>::update(size_t resourceIndex, ViewType *view)
+{
+    ASSERT(resourceIndex < mCurrentViews.size());
+    ViewRecord<DescType> *record = &mCurrentViews[resourceIndex];
+
+    record->view = reinterpret_cast<uintptr_t>(view);
+    if (view)
+    {
+        record->resource = reinterpret_cast<uintptr_t>(GetViewResource(view));
+        view->GetDesc(&record->desc);
+        mHighestUsedView = std::max(resourceIndex + 1, mHighestUsedView);
+    }
+    else
+    {
+        record->resource = 0;
+
+        if (resourceIndex + 1 == mHighestUsedView)
+        {
+            do
+            {
+                --mHighestUsedView;
+            } while (mHighestUsedView > 0 && mCurrentViews[mHighestUsedView].view == 0);
+        }
+    }
+}
+
+template <typename ViewType, typename DescType>
+void StateManager11::ViewCache<ViewType, DescType>::clear()
+{
+    if (mCurrentViews.empty())
+    {
+        return;
+    }
+
+    memset(&mCurrentViews[0], 0, sizeof(ViewRecord<DescType>) * mCurrentViews.size());
+    mHighestUsedView = 0;
+}
+
+StateManager11::SRVCache *StateManager11::getSRVCache(gl::ShaderType shaderType)
+{
+    ASSERT(shaderType != gl::ShaderType::InvalidEnum);
+    return &mCurShaderSRVs[shaderType];
+}
+
+// ShaderConstants11 implementation
+ShaderConstants11::ShaderConstants11() : mNumActiveShaderSamplers({})
+{
+    mShaderConstantsDirty.set();
+}
+
+ShaderConstants11::~ShaderConstants11() {}
+
+void ShaderConstants11::init(const gl::Caps &caps)
+{
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        mShaderSamplerMetadata[shaderType].resize(caps.maxShaderTextureImageUnits[shaderType]);
+        mShaderReadonlyImageMetadata[shaderType].resize(caps.maxShaderImageUniforms[shaderType]);
+        mShaderImageMetadata[shaderType].resize(caps.maxShaderImageUniforms[shaderType]);
+    }
+}
+
+size_t ShaderConstants11::GetShaderConstantsStructSize(gl::ShaderType shaderType)
+{
+    switch (shaderType)
+    {
+        case gl::ShaderType::Vertex:
+            return sizeof(Vertex);
+        case gl::ShaderType::Fragment:
+            return sizeof(Pixel);
+        case gl::ShaderType::Compute:
+            return sizeof(Compute);
+
+        // TODO(jiawei.shao@intel.com): return geometry shader constant struct size
+        case gl::ShaderType::Geometry:
+            return 0u;
+
+        default:
+            UNREACHABLE();
+            return 0u;
+    }
+}
+
+size_t ShaderConstants11::getRequiredBufferSize(gl::ShaderType shaderType) const
+{
+    ASSERT(shaderType != gl::ShaderType::InvalidEnum);
+    return GetShaderConstantsStructSize(shaderType) +
+           mShaderSamplerMetadata[shaderType].size() * sizeof(SamplerMetadata) +
+           mShaderImageMetadata[shaderType].size() * sizeof(ImageMetadata) +
+           mShaderReadonlyImageMetadata[shaderType].size() * sizeof(ImageMetadata);
+}
+
+void ShaderConstants11::markDirty()
+{
+    mShaderConstantsDirty.set();
+    mNumActiveShaderSamplers.fill(0);
+}
+
+bool ShaderConstants11::updateSamplerMetadata(SamplerMetadata *data,
+                                              const gl::Texture &texture,
+                                              const gl::SamplerState &samplerState)
+{
+    bool dirty               = false;
+    unsigned int baseLevel   = texture.getTextureState().getEffectiveBaseLevel();
+    gl::TextureTarget target = (texture.getType() == gl::TextureType::CubeMap)
+                                   ? gl::kCubeMapTextureTargetMin
+                                   : gl::NonCubeTextureTypeToTarget(texture.getType());
+    GLenum sizedFormat       = texture.getFormat(target, baseLevel).info->sizedInternalFormat;
+    if (data->baseLevel != static_cast<int>(baseLevel))
+    {
+        data->baseLevel = static_cast<int>(baseLevel);
+        dirty           = true;
+    }
+
+    // Some metadata is needed only for integer textures. We avoid updating the constant buffer
+    // unnecessarily by changing the data only in case the texture is an integer texture and
+    // the values have changed.
+    bool needIntegerTextureMetadata = false;
+    // internalFormatBits == 0 means a 32-bit texture in the case of integer textures.
+    int internalFormatBits = 0;
+    switch (sizedFormat)
+    {
+        case GL_RGBA32I:
+        case GL_RGBA32UI:
+        case GL_RGB32I:
+        case GL_RGB32UI:
+        case GL_RG32I:
+        case GL_RG32UI:
+        case GL_R32I:
+        case GL_R32UI:
+            needIntegerTextureMetadata = true;
+            break;
+        case GL_RGBA16I:
+        case GL_RGBA16UI:
+        case GL_RGB16I:
+        case GL_RGB16UI:
+        case GL_RG16I:
+        case GL_RG16UI:
+        case GL_R16I:
+        case GL_R16UI:
+            needIntegerTextureMetadata = true;
+            internalFormatBits         = 16;
+            break;
+        case GL_RGBA8I:
+        case GL_RGBA8UI:
+        case GL_RGB8I:
+        case GL_RGB8UI:
+        case GL_RG8I:
+        case GL_RG8UI:
+        case GL_R8I:
+        case GL_R8UI:
+            needIntegerTextureMetadata = true;
+            internalFormatBits         = 8;
+            break;
+        case GL_RGB10_A2UI:
+            needIntegerTextureMetadata = true;
+            internalFormatBits         = 10;
+            break;
+        default:
+            break;
+    }
+    if (needIntegerTextureMetadata)
+    {
+        if (data->internalFormatBits != internalFormatBits)
+        {
+            data->internalFormatBits = internalFormatBits;
+            dirty                    = true;
+        }
+        // Pack the wrap values into one integer so we can fit all the metadata in two 4-integer
+        // vectors.
+        GLenum wrapS  = samplerState.getWrapS();
+        GLenum wrapT  = samplerState.getWrapT();
+        GLenum wrapR  = samplerState.getWrapR();
+        int wrapModes = GetWrapBits(wrapS) | (GetWrapBits(wrapT) << 2) | (GetWrapBits(wrapR) << 4);
+        if (data->wrapModes != wrapModes)
+        {
+            data->wrapModes = wrapModes;
+            dirty           = true;
+        }
+
+        const angle::ColorGeneric &borderColor(samplerState.getBorderColor());
+        constexpr int kBlack[4]          = {};
+        const void *const intBorderColor = (borderColor.type == angle::ColorGeneric::Type::Float)
+                                               ? kBlack
+                                               : borderColor.colorI.data();
+        ASSERT(static_cast<const void *>(borderColor.colorI.data()) ==
+               static_cast<const void *>(borderColor.colorUI.data()));
+        if (memcmp(data->intBorderColor, intBorderColor, sizeof(data->intBorderColor)) != 0)
+        {
+            memcpy(data->intBorderColor, intBorderColor, sizeof(data->intBorderColor));
+            dirty = true;
+        }
+    }
+
+    return dirty;
+}
+
+bool ShaderConstants11::updateImageMetadata(ImageMetadata *data, const gl::ImageUnit &imageUnit)
+{
+    bool dirty = false;
+
+    if (data->layer != static_cast<int>(imageUnit.layer))
+    {
+        data->layer = static_cast<int>(imageUnit.layer);
+        dirty       = true;
+    }
+
+    if (data->level != static_cast<unsigned int>(imageUnit.level))
+    {
+        data->level = static_cast<unsigned int>(imageUnit.level);
+        dirty       = true;
+    }
+
+    return dirty;
+}
+
+void ShaderConstants11::setComputeWorkGroups(GLuint numGroupsX,
+                                             GLuint numGroupsY,
+                                             GLuint numGroupsZ)
+{
+    mCompute.numWorkGroups[0] = numGroupsX;
+    mCompute.numWorkGroups[1] = numGroupsY;
+    mCompute.numWorkGroups[2] = numGroupsZ;
+    mShaderConstantsDirty.set(gl::ShaderType::Compute);
+}
+
+void ShaderConstants11::setMultiviewWriteToViewportIndex(GLfloat index)
+{
+    mVertex.multiviewWriteToViewportIndex = index;
+    mPixel.multiviewWriteToViewportIndex  = index;
+    mShaderConstantsDirty.set(gl::ShaderType::Vertex);
+    mShaderConstantsDirty.set(gl::ShaderType::Fragment);
+}
+
+void ShaderConstants11::onViewportChange(const gl::Rectangle &glViewport,
+                                         const D3D11_VIEWPORT &dxViewport,
+                                         const gl::Offset &glFragCoordOffset,
+                                         bool is9_3,
+                                         bool presentPathFast)
+{
+    mShaderConstantsDirty.set(gl::ShaderType::Vertex);
+    mShaderConstantsDirty.set(gl::ShaderType::Fragment);
+
+    // On Feature Level 9_*, we must emulate large and/or negative viewports in the shaders
+    // using viewAdjust (like the D3D9 renderer).
+    if (is9_3)
+    {
+        mVertex.viewAdjust[0] = static_cast<float>((glViewport.width - dxViewport.Width) +
+                                                   2 * (glViewport.x - dxViewport.TopLeftX)) /
+                                dxViewport.Width;
+        mVertex.viewAdjust[1] = static_cast<float>((glViewport.height - dxViewport.Height) +
+                                                   2 * (glViewport.y - dxViewport.TopLeftY)) /
+                                dxViewport.Height;
+        mVertex.viewAdjust[2] = static_cast<float>(glViewport.width) / dxViewport.Width;
+        mVertex.viewAdjust[3] = static_cast<float>(glViewport.height) / dxViewport.Height;
+    }
+
+    mPixel.viewCoords[0] = glViewport.width * 0.5f;
+    mPixel.viewCoords[1] = glViewport.height * 0.5f;
+    mPixel.viewCoords[2] = glViewport.x + (glViewport.width * 0.5f);
+    mPixel.viewCoords[3] = glViewport.y + (glViewport.height * 0.5f);
+
+    // Instanced pointsprite emulation requires ViewCoords to be defined in the
+    // the vertex shader.
+    mVertex.viewCoords[0] = mPixel.viewCoords[0];
+    mVertex.viewCoords[1] = mPixel.viewCoords[1];
+    mVertex.viewCoords[2] = mPixel.viewCoords[2];
+    mVertex.viewCoords[3] = mPixel.viewCoords[3];
+
+    const float zNear = dxViewport.MinDepth;
+    const float zFar  = dxViewport.MaxDepth;
+
+    mPixel.depthFront[0] = (zFar - zNear) * 0.5f;
+    mPixel.depthFront[1] = (zNear + zFar) * 0.5f;
+
+    mVertex.depthRange[0] = zNear;
+    mVertex.depthRange[1] = zFar;
+    mVertex.depthRange[2] = zFar - zNear;
+
+    mPixel.depthRange[0] = zNear;
+    mPixel.depthRange[1] = zFar;
+    mPixel.depthRange[2] = zFar - zNear;
+
+    mPixel.viewScale[0] = 1.0f;
+    mPixel.viewScale[1] = presentPathFast ? 1.0f : -1.0f;
+    // Updates to the multiviewWriteToViewportIndex member are to be handled whenever the draw
+    // framebuffer's layout is changed.
+
+    mVertex.viewScale[0] = mPixel.viewScale[0];
+    mVertex.viewScale[1] = mPixel.viewScale[1];
+
+    mPixel.fragCoordOffset[0] = static_cast<float>(glFragCoordOffset.x);
+    mPixel.fragCoordOffset[1] = static_cast<float>(glFragCoordOffset.y);
+}
+
+// Update the ShaderConstants with a new first vertex and return whether the update dirties them.
+ANGLE_INLINE bool ShaderConstants11::onFirstVertexChange(GLint firstVertex)
+{
+    // firstVertex should already include baseVertex, if any.
+    uint32_t newFirstVertex = static_cast<uint32_t>(firstVertex);
+
+    bool firstVertexDirty = (mVertex.firstVertex != newFirstVertex);
+    if (firstVertexDirty)
+    {
+        mVertex.firstVertex = newFirstVertex;
+        mShaderConstantsDirty.set(gl::ShaderType::Vertex);
+    }
+    return firstVertexDirty;
+}
+
+void ShaderConstants11::onSamplerChange(gl::ShaderType shaderType,
+                                        unsigned int samplerIndex,
+                                        const gl::Texture &texture,
+                                        const gl::SamplerState &samplerState)
+{
+    ASSERT(shaderType != gl::ShaderType::InvalidEnum);
+    if (updateSamplerMetadata(&mShaderSamplerMetadata[shaderType][samplerIndex], texture,
+                              samplerState))
+    {
+        mNumActiveShaderSamplers[shaderType] = 0;
+    }
+}
+
+bool ShaderConstants11::onImageChange(gl::ShaderType shaderType,
+                                      unsigned int imageIndex,
+                                      const gl::ImageUnit &imageUnit)
+{
+    ASSERT(shaderType != gl::ShaderType::InvalidEnum);
+    bool dirty = false;
+    if (imageUnit.access == GL_READ_ONLY)
+    {
+        if (updateImageMetadata(&mShaderReadonlyImageMetadata[shaderType][imageIndex], imageUnit))
+        {
+            mNumActiveShaderReadonlyImages[shaderType] = 0;
+            dirty                                      = true;
+        }
+    }
+    else
+    {
+        if (updateImageMetadata(&mShaderImageMetadata[shaderType][imageIndex], imageUnit))
+        {
+            mNumActiveShaderImages[shaderType] = 0;
+            dirty                              = true;
+        }
+    }
+    return dirty;
+}
+
+void ShaderConstants11::onClipControlChange(bool lowerLeft, bool zeroToOne)
+{
+    mVertex.clipControlOrigin    = lowerLeft ? -1.0f : 1.0f;
+    mVertex.clipControlZeroToOne = zeroToOne ? 1.0f : 0.0f;
+    mShaderConstantsDirty.set(gl::ShaderType::Vertex);
+}
+
+angle::Result ShaderConstants11::updateBuffer(const gl::Context *context,
+                                              Renderer11 *renderer,
+                                              gl::ShaderType shaderType,
+                                              const ProgramD3D &programD3D,
+                                              const d3d11::Buffer &driverConstantBuffer)
+{
+    // Re-upload the sampler meta-data if the current program uses more samplers
+    // than we previously uploaded.
+    const int numSamplers       = programD3D.getUsedSamplerRange(shaderType).length();
+    const int numReadonlyImages = programD3D.getUsedImageRange(shaderType, true).length();
+    const int numImages         = programD3D.getUsedImageRange(shaderType, false).length();
+
+    const bool dirty = mShaderConstantsDirty[shaderType] ||
+                       (mNumActiveShaderSamplers[shaderType] < numSamplers) ||
+                       (mNumActiveShaderReadonlyImages[shaderType] < numReadonlyImages) ||
+                       (mNumActiveShaderImages[shaderType] < numImages);
+
+    const size_t dataSize = GetShaderConstantsStructSize(shaderType);
+    const uint8_t *samplerData =
+        reinterpret_cast<const uint8_t *>(mShaderSamplerMetadata[shaderType].data());
+    const size_t samplerDataSize = sizeof(SamplerMetadata) * numSamplers;
+    const uint8_t *readonlyImageData =
+        reinterpret_cast<const uint8_t *>(mShaderReadonlyImageMetadata[shaderType].data());
+    const size_t readonlyImageDataSize = sizeof(ImageMetadata) * numReadonlyImages;
+    const uint8_t *imageData =
+        reinterpret_cast<const uint8_t *>(mShaderImageMetadata[shaderType].data());
+    const size_t imageDataSize = sizeof(ImageMetadata) * numImages;
+
+    mNumActiveShaderSamplers[shaderType]       = numSamplers;
+    mNumActiveShaderReadonlyImages[shaderType] = numReadonlyImages;
+    mNumActiveShaderImages[shaderType]         = numImages;
+    mShaderConstantsDirty.set(shaderType, false);
+
+    const uint8_t *data = nullptr;
+    switch (shaderType)
+    {
+        case gl::ShaderType::Vertex:
+            data = reinterpret_cast<const uint8_t *>(&mVertex);
+            break;
+        case gl::ShaderType::Fragment:
+            data = reinterpret_cast<const uint8_t *>(&mPixel);
+            break;
+        case gl::ShaderType::Compute:
+            data = reinterpret_cast<const uint8_t *>(&mCompute);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    ASSERT(driverConstantBuffer.valid());
+
+    if (!dirty)
+    {
+        return angle::Result::Continue;
+    }
+
+    // Previous buffer contents are discarded, so we need to refresh the whole buffer.
+    D3D11_MAPPED_SUBRESOURCE mapping = {};
+    ANGLE_TRY(renderer->mapResource(context, driverConstantBuffer.get(), 0, D3D11_MAP_WRITE_DISCARD,
+                                    0, &mapping));
+
+    memcpy(mapping.pData, data, dataSize);
+    memcpy(static_cast<uint8_t *>(mapping.pData) + dataSize, samplerData,
+           sizeof(SamplerMetadata) * numSamplers);
+
+    memcpy(static_cast<uint8_t *>(mapping.pData) + dataSize + samplerDataSize, readonlyImageData,
+           readonlyImageDataSize);
+    memcpy(
+        static_cast<uint8_t *>(mapping.pData) + dataSize + samplerDataSize + readonlyImageDataSize,
+        imageData, imageDataSize);
+    renderer->getDeviceContext()->Unmap(driverConstantBuffer.get(), 0);
+
+    return angle::Result::Continue;
+}
+
+StateManager11::StateManager11(Renderer11 *renderer)
+    : mRenderer(renderer),
+      mInternalDirtyBits(),
+      mCurSampleAlphaToCoverage(false),
+      mCurBlendStateExt(),
+      mCurBlendColor(0, 0, 0, 0),
+      mCurSampleMask(0),
+      mCurStencilRef(0),
+      mCurStencilBackRef(0),
+      mCurStencilSize(0),
+      mCurScissorEnabled(false),
+      mCurScissorRect(),
+      mCurViewport(),
+      mCurNear(0.0f),
+      mCurFar(0.0f),
+      mViewportBounds(),
+      mRenderTargetIsDirty(true),
+      mCurPresentPathFastEnabled(false),
+      mCurPresentPathFastColorBufferHeight(0),
+      mDirtyCurrentValueAttribs(),
+      mCurrentValueAttribs(),
+      mCurrentInputLayout(),
+      mDirtyVertexBufferRange(gl::MAX_VERTEX_ATTRIBS, 0),
+      mCurrentPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_UNDEFINED),
+      mLastAppliedDrawMode(gl::PrimitiveMode::InvalidEnum),
+      mCullEverything(false),
+      mDirtySwizzles(false),
+      mAppliedIB(nullptr),
+      mAppliedIBFormat(DXGI_FORMAT_UNKNOWN),
+      mAppliedIBOffset(0),
+      mIndexBufferIsDirty(false),
+      mVertexDataManager(renderer),
+      mIndexDataManager(renderer),
+      mIsMultiviewEnabled(false),
+      mIndependentBlendStates(false),
+      mEmptySerial(mRenderer->generateSerial()),
+      mProgramD3D(nullptr),
+      mVertexArray11(nullptr),
+      mFramebuffer11(nullptr)
+{
+    mCurDepthStencilState.depthTest                = false;
+    mCurDepthStencilState.depthFunc                = GL_LESS;
+    mCurDepthStencilState.depthMask                = true;
+    mCurDepthStencilState.stencilTest              = false;
+    mCurDepthStencilState.stencilMask              = true;
+    mCurDepthStencilState.stencilFail              = GL_KEEP;
+    mCurDepthStencilState.stencilPassDepthFail     = GL_KEEP;
+    mCurDepthStencilState.stencilPassDepthPass     = GL_KEEP;
+    mCurDepthStencilState.stencilWritemask         = static_cast<GLuint>(-1);
+    mCurDepthStencilState.stencilBackFunc          = GL_ALWAYS;
+    mCurDepthStencilState.stencilBackMask          = static_cast<GLuint>(-1);
+    mCurDepthStencilState.stencilBackFail          = GL_KEEP;
+    mCurDepthStencilState.stencilBackPassDepthFail = GL_KEEP;
+    mCurDepthStencilState.stencilBackPassDepthPass = GL_KEEP;
+    mCurDepthStencilState.stencilBackWritemask     = static_cast<GLuint>(-1);
+
+    mCurRasterState.rasterizerDiscard   = false;
+    mCurRasterState.cullFace            = false;
+    mCurRasterState.cullMode            = gl::CullFaceMode::Back;
+    mCurRasterState.frontFace           = GL_CCW;
+    mCurRasterState.polygonOffsetFill   = false;
+    mCurRasterState.polygonOffsetFactor = 0.0f;
+    mCurRasterState.polygonOffsetUnits  = 0.0f;
+    mCurRasterState.pointDrawMode       = false;
+    mCurRasterState.multiSample         = false;
+    mCurRasterState.dither              = false;
+
+    // Start with all internal dirty bits set except the SRV and UAV bits.
+    mInternalDirtyBits.set();
+    mInternalDirtyBits.reset(DIRTY_BIT_GRAPHICS_SRV_STATE);
+    mInternalDirtyBits.reset(DIRTY_BIT_GRAPHICS_UAV_STATE);
+    mInternalDirtyBits.reset(DIRTY_BIT_COMPUTE_SRV_STATE);
+    mInternalDirtyBits.reset(DIRTY_BIT_COMPUTE_UAV_STATE);
+
+    mGraphicsDirtyBitsMask.set();
+    mGraphicsDirtyBitsMask.reset(DIRTY_BIT_COMPUTE_SRV_STATE);
+    mGraphicsDirtyBitsMask.reset(DIRTY_BIT_COMPUTE_UAV_STATE);
+    mComputeDirtyBitsMask.set(DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE);
+    mComputeDirtyBitsMask.set(DIRTY_BIT_PROGRAM_UNIFORMS);
+    mComputeDirtyBitsMask.set(DIRTY_BIT_DRIVER_UNIFORMS);
+    mComputeDirtyBitsMask.set(DIRTY_BIT_PROGRAM_UNIFORM_BUFFERS);
+    mComputeDirtyBitsMask.set(DIRTY_BIT_SHADERS);
+    mComputeDirtyBitsMask.set(DIRTY_BIT_COMPUTE_SRV_STATE);
+    mComputeDirtyBitsMask.set(DIRTY_BIT_COMPUTE_UAV_STATE);
+
+    // Initially all current value attributes must be updated on first use.
+    mDirtyCurrentValueAttribs.set();
+
+    mCurrentVertexBuffers.fill(nullptr);
+    mCurrentVertexStrides.fill(std::numeric_limits<UINT>::max());
+    mCurrentVertexOffsets.fill(std::numeric_limits<UINT>::max());
+}
+
+StateManager11::~StateManager11() {}
+
+template <typename SRVType>
+void StateManager11::setShaderResourceInternal(gl::ShaderType shaderType,
+                                               UINT resourceSlot,
+                                               const SRVType *srv)
+{
+    auto *currentSRVs = getSRVCache(shaderType);
+    ASSERT(static_cast<size_t>(resourceSlot) < currentSRVs->size());
+    const ViewRecord<D3D11_SHADER_RESOURCE_VIEW_DESC> &record = (*currentSRVs)[resourceSlot];
+
+    if (record.view != reinterpret_cast<uintptr_t>(srv))
+    {
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        ID3D11ShaderResourceView *srvPtr   = srv ? srv->get() : nullptr;
+        if (srvPtr)
+        {
+            uintptr_t resource = reinterpret_cast<uintptr_t>(GetViewResource(srvPtr));
+            unsetConflictingUAVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Compute,
+                                 resource, nullptr);
+        }
+
+        switch (shaderType)
+        {
+            case gl::ShaderType::Vertex:
+                deviceContext->VSSetShaderResources(resourceSlot, 1, &srvPtr);
+                break;
+            case gl::ShaderType::Fragment:
+                deviceContext->PSSetShaderResources(resourceSlot, 1, &srvPtr);
+                break;
+            case gl::ShaderType::Compute:
+            {
+                if (srvPtr)
+                {
+                    uintptr_t resource = reinterpret_cast<uintptr_t>(GetViewResource(srvPtr));
+                    unsetConflictingRTVs(resource);
+                }
+                deviceContext->CSSetShaderResources(resourceSlot, 1, &srvPtr);
+                break;
+            }
+            default:
+                UNREACHABLE();
+        }
+
+        currentSRVs->update(resourceSlot, srvPtr);
+    }
+}
+
+template <typename UAVType>
+void StateManager11::setUnorderedAccessViewInternal(UINT resourceSlot,
+                                                    const UAVType *uav,
+                                                    UAVList *uavList)
+{
+    ASSERT(static_cast<size_t>(resourceSlot) < mCurComputeUAVs.size());
+    const ViewRecord<D3D11_UNORDERED_ACCESS_VIEW_DESC> &record = mCurComputeUAVs[resourceSlot];
+
+    if (record.view != reinterpret_cast<uintptr_t>(uav))
+    {
+        ID3D11UnorderedAccessView *uavPtr = uav ? uav->get() : nullptr;
+        // We need to make sure that resource being set to UnorderedAccessView slot |resourceSlot|
+        // is not bound on SRV.
+        if (uavPtr)
+        {
+            uintptr_t resource = reinterpret_cast<uintptr_t>(GetViewResource(uavPtr));
+            unsetConflictingSRVs(gl::PipelineType::ComputePipeline, gl::ShaderType::Vertex,
+                                 resource, nullptr, false);
+            unsetConflictingSRVs(gl::PipelineType::ComputePipeline, gl::ShaderType::Fragment,
+                                 resource, nullptr, false);
+            unsetConflictingSRVs(gl::PipelineType::ComputePipeline, gl::ShaderType::Compute,
+                                 resource, nullptr, false);
+        }
+        uavList->data[resourceSlot] = uavPtr;
+        if (static_cast<int>(resourceSlot) > uavList->highestUsed)
+        {
+            uavList->highestUsed = resourceSlot;
+        }
+
+        mCurComputeUAVs.update(resourceSlot, uavPtr);
+    }
+}
+
+void StateManager11::updateStencilSizeIfChanged(bool depthStencilInitialized,
+                                                unsigned int stencilSize)
+{
+    if (!depthStencilInitialized || stencilSize != mCurStencilSize)
+    {
+        mCurStencilSize = stencilSize;
+        mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+    }
+}
+
+void StateManager11::checkPresentPath(const gl::Context *context)
+{
+    const auto *framebuffer          = context->getState().getDrawFramebuffer();
+    const auto *firstColorAttachment = framebuffer->getFirstColorAttachment();
+    const bool clipSpaceOriginUpperLeft =
+        context->getState().getClipSpaceOrigin() == gl::ClipSpaceOrigin::UpperLeft;
+    const bool presentPathFastActive =
+        UsePresentPathFast(mRenderer, firstColorAttachment) || clipSpaceOriginUpperLeft;
+
+    const int colorBufferHeight = firstColorAttachment ? firstColorAttachment->getSize().height : 0;
+
+    if ((mCurPresentPathFastEnabled != presentPathFastActive) ||
+        (presentPathFastActive && (colorBufferHeight != mCurPresentPathFastColorBufferHeight)))
+    {
+        mCurPresentPathFastEnabled           = presentPathFastActive;
+        mCurPresentPathFastColorBufferHeight = colorBufferHeight;
+
+        // Scissor rect may need to be vertically inverted
+        mInternalDirtyBits.set(DIRTY_BIT_SCISSOR_STATE);
+
+        // Cull Mode may need to be inverted
+        mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+
+        // Viewport may need to be vertically inverted
+        invalidateViewport(context);
+    }
+}
+
+angle::Result StateManager11::updateStateForCompute(const gl::Context *context,
+                                                    GLuint numGroupsX,
+                                                    GLuint numGroupsY,
+                                                    GLuint numGroupsZ)
+{
+    mShaderConstants.setComputeWorkGroups(numGroupsX, numGroupsY, numGroupsZ);
+
+    if (mProgramD3D->updateSamplerMapping() == ProgramD3D::SamplerMapping::WasDirty)
+    {
+        invalidateTexturesAndSamplers();
+    }
+
+    if (mDirtySwizzles)
+    {
+        ANGLE_TRY(generateSwizzlesForShader(context, gl::ShaderType::Compute));
+        mDirtySwizzles = false;
+    }
+
+    if (mProgramD3D->anyShaderUniformsDirty())
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_PROGRAM_UNIFORMS);
+    }
+
+    auto dirtyBitsCopy = mInternalDirtyBits & mComputeDirtyBitsMask;
+    mInternalDirtyBits &= ~mComputeDirtyBitsMask;
+
+    for (auto iter = dirtyBitsCopy.begin(), end = dirtyBitsCopy.end(); iter != end; ++iter)
+    {
+        switch (*iter)
+        {
+            case DIRTY_BIT_COMPUTE_SRV_STATE:
+                // Avoid to call syncTexturesForCompute function two times.
+                iter.resetLaterBit(DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE);
+                ANGLE_TRY(syncTexturesForCompute(context));
+                break;
+            case DIRTY_BIT_COMPUTE_UAV_STATE:
+                ANGLE_TRY(syncUAVsForCompute(context));
+                break;
+            case DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE:
+                ANGLE_TRY(syncTexturesForCompute(context));
+                break;
+            case DIRTY_BIT_PROGRAM_UNIFORMS:
+            case DIRTY_BIT_DRIVER_UNIFORMS:
+                ANGLE_TRY(applyComputeUniforms(context, mProgramD3D));
+                break;
+            case DIRTY_BIT_PROGRAM_UNIFORM_BUFFERS:
+                ANGLE_TRY(syncUniformBuffers(context));
+                break;
+            case DIRTY_BIT_SHADERS:
+                ANGLE_TRY(syncProgramForCompute(context));
+                break;
+            default:
+                UNREACHABLE();
+                break;
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+void StateManager11::syncState(const gl::Context *context,
+                               const gl::State::DirtyBits &dirtyBits,
+                               gl::Command command)
+{
+    if (!dirtyBits.any())
+    {
+        return;
+    }
+
+    const gl::State &state = context->getState();
+
+    for (size_t dirtyBit : dirtyBits)
+    {
+        switch (dirtyBit)
+        {
+            case gl::State::DIRTY_BIT_BLEND_EQUATIONS:
+            {
+                const gl::BlendStateExt &blendStateExt = state.getBlendStateExt();
+                ASSERT(mCurBlendStateExt.getDrawBufferCount() ==
+                       blendStateExt.getDrawBufferCount());
+                // Compare blend equations only for buffers with blending enabled because
+                // subsequent sync stages enforce default values for buffers with blending disabled.
+                if ((blendStateExt.getEnabledMask() &
+                     mCurBlendStateExt.compareEquations(blendStateExt))
+                        .any())
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_BLEND_FUNCS:
+            {
+                const gl::BlendStateExt &blendStateExt = state.getBlendStateExt();
+                ASSERT(mCurBlendStateExt.getDrawBufferCount() ==
+                       blendStateExt.getDrawBufferCount());
+                // Compare blend factors only for buffers with blending enabled because
+                // subsequent sync stages enforce default values for buffers with blending disabled.
+                if ((blendStateExt.getEnabledMask() &
+                     mCurBlendStateExt.compareFactors(blendStateExt))
+                        .any())
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_BLEND_ENABLED:
+            {
+                if (state.getBlendStateExt().getEnabledMask() != mCurBlendStateExt.getEnabledMask())
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED:
+                if (state.isSampleAlphaToCoverageEnabled() != mCurSampleAlphaToCoverage)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_DITHER_ENABLED:
+                if (state.getRasterizerState().dither != mCurRasterState.dither)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_COLOR_MASK:
+            {
+                if (state.getBlendStateExt().getColorMaskBits() !=
+                    mCurBlendStateExt.getColorMaskBits())
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_BLEND_COLOR:
+                if (state.getBlendColor() != mCurBlendColor)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+                }
+                break;
+            // Depth and stencil redundant state changes are guarded in the
+            // frontend so for related cases here just set the dirty bit.
+            case gl::State::DIRTY_BIT_DEPTH_MASK:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_DEPTH_TEST_ENABLED:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_DEPTH_FUNC:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_TEST_ENABLED:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_BACK:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_OPS_FRONT:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_OPS_BACK:
+                mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+                break;
+
+            case gl::State::DIRTY_BIT_CULL_FACE_ENABLED:
+                if (state.getRasterizerState().cullFace != mCurRasterState.cullFace)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+                    mInternalDirtyBits.set(DIRTY_BIT_PRIMITIVE_TOPOLOGY);
+                }
+                break;
+            case gl::State::DIRTY_BIT_CULL_FACE:
+                if (state.getRasterizerState().cullMode != mCurRasterState.cullMode)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+                    mInternalDirtyBits.set(DIRTY_BIT_PRIMITIVE_TOPOLOGY);
+                }
+                break;
+            case gl::State::DIRTY_BIT_FRONT_FACE:
+                if (state.getRasterizerState().frontFace != mCurRasterState.frontFace)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+                    mInternalDirtyBits.set(DIRTY_BIT_PRIMITIVE_TOPOLOGY);
+                }
+                break;
+            case gl::State::DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED:
+                if (state.getRasterizerState().polygonOffsetFill !=
+                    mCurRasterState.polygonOffsetFill)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_POLYGON_OFFSET:
+            {
+                const gl::RasterizerState &rasterState = state.getRasterizerState();
+                if (rasterState.polygonOffsetFactor != mCurRasterState.polygonOffsetFactor ||
+                    rasterState.polygonOffsetUnits != mCurRasterState.polygonOffsetUnits)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_RASTERIZER_DISCARD_ENABLED:
+                if (state.getRasterizerState().rasterizerDiscard !=
+                    mCurRasterState.rasterizerDiscard)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+
+                    // Enabling/disabling rasterizer discard affects the pixel shader.
+                    invalidateShaders();
+                }
+                break;
+            case gl::State::DIRTY_BIT_SCISSOR:
+                if (state.getScissor() != mCurScissorRect)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_SCISSOR_STATE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_SCISSOR_TEST_ENABLED:
+                if (state.isScissorTestEnabled() != mCurScissorEnabled)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_SCISSOR_STATE);
+                    // Rasterizer state update needs mCurScissorsEnabled and updates when it changes
+                    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_DEPTH_RANGE:
+                invalidateViewport(context);
+                break;
+            case gl::State::DIRTY_BIT_VIEWPORT:
+                if (state.getViewport() != mCurViewport)
+                {
+                    invalidateViewport(context);
+                }
+                break;
+            case gl::State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING:
+                invalidateRenderTarget();
+                if (mIsMultiviewEnabled)
+                {
+                    handleMultiviewDrawFramebufferChange(context);
+                }
+                mFramebuffer11 = GetImplAs<Framebuffer11>(state.getDrawFramebuffer());
+                break;
+            case gl::State::DIRTY_BIT_VERTEX_ARRAY_BINDING:
+                invalidateVertexBuffer();
+                // Force invalidate the current value attributes, since the VertexArray11 keeps an
+                // internal cache of TranslatedAttributes, and they CurrentValue attributes are
+                // owned by the StateManager11/Context.
+                mDirtyCurrentValueAttribs.set();
+                // Invalidate the cached index buffer.
+                invalidateIndexBuffer();
+                mVertexArray11 = GetImplAs<VertexArray11>(state.getVertexArray());
+                break;
+            case gl::State::DIRTY_BIT_UNIFORM_BUFFER_BINDINGS:
+                invalidateProgramUniformBuffers();
+                break;
+            case gl::State::DIRTY_BIT_ATOMIC_COUNTER_BUFFER_BINDING:
+                invalidateProgramAtomicCounterBuffers();
+                break;
+            case gl::State::DIRTY_BIT_SHADER_STORAGE_BUFFER_BINDING:
+                invalidateProgramShaderStorageBuffers();
+                break;
+            case gl::State::DIRTY_BIT_TEXTURE_BINDINGS:
+                invalidateTexturesAndSamplers();
+                break;
+            case gl::State::DIRTY_BIT_SAMPLER_BINDINGS:
+                invalidateTexturesAndSamplers();
+                break;
+            case gl::State::DIRTY_BIT_IMAGE_BINDINGS:
+                invalidateImageBindings();
+                break;
+            case gl::State::DIRTY_BIT_TRANSFORM_FEEDBACK_BINDING:
+                invalidateTransformFeedback();
+                break;
+            case gl::State::DIRTY_BIT_PROGRAM_BINDING:
+                mProgramD3D = GetImplAs<ProgramD3D>(state.getProgram());
+                break;
+            case gl::State::DIRTY_BIT_PROGRAM_EXECUTABLE:
+            {
+                invalidateShaders();
+                invalidateTexturesAndSamplers();
+                invalidateProgramUniforms();
+                invalidateProgramUniformBuffers();
+                invalidateProgramAtomicCounterBuffers();
+                invalidateProgramShaderStorageBuffers();
+                invalidateDriverUniforms();
+                const gl::ProgramExecutable *executable = state.getProgramExecutable();
+                if (!executable || command != gl::Command::Dispatch)
+                {
+                    mInternalDirtyBits.set(DIRTY_BIT_PRIMITIVE_TOPOLOGY);
+                    invalidateVertexBuffer();
+                    invalidateRenderTarget();
+                    // If OVR_multiview2 is enabled, the attribute divisor has to be updated for
+                    // each binding. When using compute, there could be no vertex array.
+                    if (mIsMultiviewEnabled && mVertexArray11)
+                    {
+                        ASSERT(mProgramD3D);
+                        ASSERT(mVertexArray11 == GetImplAs<VertexArray11>(state.getVertexArray()));
+                        const gl::ProgramState &programState = mProgramD3D->getState();
+                        int numViews =
+                            programState.usesMultiview() ? programState.getNumViews() : 1;
+                        mVertexArray11->markAllAttributeDivisorsForAdjustment(numViews);
+                    }
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_CURRENT_VALUES:
+            {
+                for (auto attribIndex : state.getAndResetDirtyCurrentValues())
+                {
+                    invalidateCurrentValueAttrib(attribIndex);
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_PROVOKING_VERTEX:
+                invalidateShaders();
+                break;
+            case gl::State::DIRTY_BIT_EXTENDED:
+            {
+                gl::State::ExtendedDirtyBits extendedDirtyBits =
+                    state.getAndResetExtendedDirtyBits();
+
+                for (size_t extendedDirtyBit : extendedDirtyBits)
+                {
+                    switch (extendedDirtyBit)
+                    {
+                        case gl::State::EXTENDED_DIRTY_BIT_CLIP_CONTROL:
+                            checkPresentPath(context);
+                            break;
+                    }
+                }
+                break;
+            }
+            default:
+                break;
+        }
+    }
+
+    // TODO(jmadill): Input layout and vertex buffer state.
+}
+
+void StateManager11::handleMultiviewDrawFramebufferChange(const gl::Context *context)
+{
+    const auto &glState                    = context->getState();
+    const gl::Framebuffer *drawFramebuffer = glState.getDrawFramebuffer();
+    ASSERT(drawFramebuffer != nullptr);
+
+    if (drawFramebuffer->isMultiview())
+    {
+        // Because the base view index is applied as an offset to the 2D texture array when the
+        // RTV is created, we just have to pass a boolean to select which code path is to be
+        // used.
+        mShaderConstants.setMultiviewWriteToViewportIndex(0.0f);
+    }
+}
+
+angle::Result StateManager11::syncBlendState(const gl::Context *context,
+                                             const gl::BlendStateExt &blendStateExt,
+                                             const gl::ColorF &blendColor,
+                                             unsigned int sampleMask,
+                                             bool sampleAlphaToCoverage,
+                                             bool emulateConstantAlpha)
+{
+    const d3d11::BlendState *dxBlendState = nullptr;
+    const d3d11::BlendStateKey &key       = RenderStateCache::GetBlendStateKey(
+              context, mFramebuffer11, blendStateExt, sampleAlphaToCoverage);
+
+    ANGLE_TRY(mRenderer->getBlendState(context, key, &dxBlendState));
+
+    ASSERT(dxBlendState != nullptr);
+
+    // D3D11 does not support CONSTANT_ALPHA as source or destination color factor, so ANGLE sets
+    // the factor to CONSTANT_COLOR and swizzles the color value to aaaa. For this reason, it's
+    // impossible to simultaneously use CONSTANT_ALPHA and CONSTANT_COLOR as source or destination
+    // color factors in the same blend state. This is enforced in the validation layer.
+    float blendColors[4] = {0.0f};
+    blendColors[0]       = emulateConstantAlpha ? blendColor.alpha : blendColor.red;
+    blendColors[1]       = emulateConstantAlpha ? blendColor.alpha : blendColor.green;
+    blendColors[2]       = emulateConstantAlpha ? blendColor.alpha : blendColor.blue;
+    blendColors[3]       = blendColor.alpha;
+
+    mRenderer->getDeviceContext()->OMSetBlendState(dxBlendState->get(), blendColors, sampleMask);
+
+    mCurBlendStateExt         = blendStateExt;
+    mCurBlendColor            = blendColor;
+    mCurSampleMask            = sampleMask;
+    mCurSampleAlphaToCoverage = sampleAlphaToCoverage;
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncDepthStencilState(const gl::Context *context)
+{
+    const gl::State &glState = context->getState();
+
+    mCurDepthStencilState = glState.getDepthStencilState();
+    mCurStencilRef        = glState.getStencilRef();
+    mCurStencilBackRef    = glState.getStencilBackRef();
+
+    // get the maximum size of the stencil ref
+    unsigned int maxStencil = 0;
+    if (mCurDepthStencilState.stencilTest && mCurStencilSize > 0)
+    {
+        maxStencil = (1 << mCurStencilSize) - 1;
+    }
+    ASSERT((mCurDepthStencilState.stencilWritemask & maxStencil) ==
+           (mCurDepthStencilState.stencilBackWritemask & maxStencil));
+    ASSERT(gl::clamp(mCurStencilRef, 0, static_cast<int>(maxStencil)) ==
+           gl::clamp(mCurStencilBackRef, 0, static_cast<int>(maxStencil)));
+    ASSERT((mCurDepthStencilState.stencilMask & maxStencil) ==
+           (mCurDepthStencilState.stencilBackMask & maxStencil));
+
+    gl::DepthStencilState modifiedGLState = glState.getDepthStencilState();
+
+    ASSERT(mCurDisableDepth.valid() && mCurDisableStencil.valid());
+
+    if (mCurDisableDepth.value())
+    {
+        modifiedGLState.depthTest = false;
+        modifiedGLState.depthMask = false;
+    }
+
+    if (mCurDisableStencil.value())
+    {
+        modifiedGLState.stencilTest = false;
+    }
+    if (!modifiedGLState.stencilTest)
+    {
+        modifiedGLState.stencilWritemask     = 0;
+        modifiedGLState.stencilBackWritemask = 0;
+    }
+
+    // If STENCIL_TEST is disabled in glState, stencil testing and writing should be disabled.
+    // Verify that's true in the modifiedGLState so it is propagated to d3dState.
+    ASSERT(glState.getDepthStencilState().stencilTest ||
+           (!modifiedGLState.stencilTest && modifiedGLState.stencilWritemask == 0 &&
+            modifiedGLState.stencilBackWritemask == 0));
+
+    const d3d11::DepthStencilState *d3dState = nullptr;
+    ANGLE_TRY(mRenderer->getDepthStencilState(context, modifiedGLState, &d3dState));
+    ASSERT(d3dState);
+
+    // Max D3D11 stencil reference value is 0xFF,
+    // corresponding to the max 8 bits in a stencil buffer
+    // GL specifies we should clamp the ref value to the
+    // nearest bit depth when doing stencil ops
+    static_assert(D3D11_DEFAULT_STENCIL_READ_MASK == 0xFF,
+                  "Unexpected value of D3D11_DEFAULT_STENCIL_READ_MASK");
+    static_assert(D3D11_DEFAULT_STENCIL_WRITE_MASK == 0xFF,
+                  "Unexpected value of D3D11_DEFAULT_STENCIL_WRITE_MASK");
+    UINT dxStencilRef = static_cast<UINT>(gl::clamp(mCurStencilRef, 0, 0xFF));
+
+    mRenderer->getDeviceContext()->OMSetDepthStencilState(d3dState->get(), dxStencilRef);
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncRasterizerState(const gl::Context *context,
+                                                  gl::PrimitiveMode mode)
+{
+    // TODO: Remove pointDrawMode and multiSample from gl::RasterizerState.
+    gl::RasterizerState rasterState = context->getState().getRasterizerState();
+    rasterState.pointDrawMode       = (mode == gl::PrimitiveMode::Points);
+    rasterState.multiSample         = mCurRasterState.multiSample;
+
+    ID3D11RasterizerState *dxRasterState = nullptr;
+
+    if (mCurPresentPathFastEnabled)
+    {
+        gl::RasterizerState modifiedRasterState = rasterState;
+
+        // If prseent path fast is active then we need invert the front face state.
+        // This ensures that both gl_FrontFacing is correct, and front/back culling
+        // is performed correctly.
+        if (modifiedRasterState.frontFace == GL_CCW)
+        {
+            modifiedRasterState.frontFace = GL_CW;
+        }
+        else
+        {
+            ASSERT(modifiedRasterState.frontFace == GL_CW);
+            modifiedRasterState.frontFace = GL_CCW;
+        }
+
+        ANGLE_TRY(mRenderer->getRasterizerState(context, modifiedRasterState, mCurScissorEnabled,
+                                                &dxRasterState));
+    }
+    else
+    {
+        ANGLE_TRY(mRenderer->getRasterizerState(context, rasterState, mCurScissorEnabled,
+                                                &dxRasterState));
+    }
+
+    mRenderer->getDeviceContext()->RSSetState(dxRasterState);
+
+    mCurRasterState = rasterState;
+
+    return angle::Result::Continue;
+}
+
+void StateManager11::syncScissorRectangle(const gl::Context *context)
+{
+    const auto &glState          = context->getState();
+    gl::Framebuffer *framebuffer = glState.getDrawFramebuffer();
+    const gl::Rectangle &scissor = glState.getScissor();
+    const bool enabled           = glState.isScissorTestEnabled();
+
+    mCurScissorOffset = framebuffer->getSurfaceTextureOffset();
+
+    int scissorX = scissor.x + mCurScissorOffset.x;
+    int scissorY = scissor.y + mCurScissorOffset.y;
+
+    if (mCurPresentPathFastEnabled)
+    {
+        scissorY = mCurPresentPathFastColorBufferHeight - scissor.height - scissor.y;
+    }
+
+    if (enabled)
+    {
+        D3D11_RECT rect;
+        int x       = scissorX;
+        int y       = scissorY;
+        rect.left   = std::max(0, x);
+        rect.top    = std::max(0, y);
+        rect.right  = x + std::max(0, scissor.width);
+        rect.bottom = y + std::max(0, scissor.height);
+        mRenderer->getDeviceContext()->RSSetScissorRects(1, &rect);
+    }
+
+    mCurScissorRect    = scissor;
+    mCurScissorEnabled = enabled;
+}
+
+void StateManager11::syncViewport(const gl::Context *context)
+{
+    const auto &glState          = context->getState();
+    gl::Framebuffer *framebuffer = glState.getDrawFramebuffer();
+    float actualZNear            = gl::clamp01(glState.getNearPlane());
+    float actualZFar             = gl::clamp01(glState.getFarPlane());
+
+    const auto &caps         = context->getCaps();
+    int dxMaxViewportBoundsX = caps.maxViewportWidth;
+    int dxMaxViewportBoundsY = caps.maxViewportHeight;
+    int dxMinViewportBoundsX = -dxMaxViewportBoundsX;
+    int dxMinViewportBoundsY = -dxMaxViewportBoundsY;
+
+    bool is9_3 = mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3;
+
+    if (is9_3)
+    {
+        // Feature Level 9 viewports shouldn't exceed the dimensions of the rendertarget.
+        dxMaxViewportBoundsX = static_cast<int>(mViewportBounds.width);
+        dxMaxViewportBoundsY = static_cast<int>(mViewportBounds.height);
+        dxMinViewportBoundsX = 0;
+        dxMinViewportBoundsY = 0;
+    }
+
+    bool clipSpaceOriginLowerLeft = glState.getClipSpaceOrigin() == gl::ClipSpaceOrigin::LowerLeft;
+    mShaderConstants.onClipControlChange(clipSpaceOriginLowerLeft,
+                                         glState.isClipControlDepthZeroToOne());
+
+    const auto &viewport = glState.getViewport();
+
+    int dxViewportTopLeftX = 0;
+    int dxViewportTopLeftY = 0;
+    int dxViewportWidth    = 0;
+    int dxViewportHeight   = 0;
+
+    mCurViewportOffset = framebuffer->getSurfaceTextureOffset();
+
+    dxViewportTopLeftX =
+        gl::clamp(viewport.x + mCurViewportOffset.x, dxMinViewportBoundsX, dxMaxViewportBoundsX);
+    dxViewportTopLeftY =
+        gl::clamp(viewport.y + mCurViewportOffset.y, dxMinViewportBoundsY, dxMaxViewportBoundsY);
+    dxViewportWidth  = gl::clamp(viewport.width, 0, dxMaxViewportBoundsX - dxViewportTopLeftX);
+    dxViewportHeight = gl::clamp(viewport.height, 0, dxMaxViewportBoundsY - dxViewportTopLeftY);
+
+    D3D11_VIEWPORT dxViewport;
+    dxViewport.TopLeftX = static_cast<float>(dxViewportTopLeftX);
+    if (mCurPresentPathFastEnabled && clipSpaceOriginLowerLeft)
+    {
+        // When present path fast is active and we're rendering to framebuffer 0, we must invert
+        // the viewport in Y-axis.
+        // NOTE: We delay the inversion until right before the call to RSSetViewports, and leave
+        // dxViewportTopLeftY unchanged. This allows us to calculate viewAdjust below using the
+        // unaltered dxViewportTopLeftY value.
+        dxViewport.TopLeftY = static_cast<float>(mCurPresentPathFastColorBufferHeight -
+                                                 dxViewportTopLeftY - dxViewportHeight);
+    }
+    else
+    {
+        dxViewport.TopLeftY = static_cast<float>(dxViewportTopLeftY);
+    }
+
+    // The es 3.1 spec section 9.2 states that, "If there are no attachments, rendering
+    // will be limited to a rectangle having a lower left of (0, 0) and an upper right of
+    // (width, height), where width and height are the framebuffer object's default width
+    // and height." See http://anglebug.com/1594
+    // If the Framebuffer has no color attachment and the default width or height is smaller
+    // than the current viewport, use the smaller of the two sizes.
+    // If framebuffer default width or height is 0, the params should not set.
+    if (!framebuffer->getFirstNonNullAttachment() &&
+        (framebuffer->getDefaultWidth() || framebuffer->getDefaultHeight()))
+    {
+        dxViewport.Width =
+            static_cast<GLfloat>(std::min(viewport.width, framebuffer->getDefaultWidth()));
+        dxViewport.Height =
+            static_cast<GLfloat>(std::min(viewport.height, framebuffer->getDefaultHeight()));
+    }
+    else
+    {
+        dxViewport.Width  = static_cast<float>(dxViewportWidth);
+        dxViewport.Height = static_cast<float>(dxViewportHeight);
+    }
+    dxViewport.MinDepth = actualZNear;
+    dxViewport.MaxDepth = actualZFar;
+
+    mRenderer->getDeviceContext()->RSSetViewports(1, &dxViewport);
+
+    mCurViewport = viewport;
+    mCurNear     = actualZNear;
+    mCurFar      = actualZFar;
+
+    const D3D11_VIEWPORT adjustViewport = {static_cast<FLOAT>(dxViewportTopLeftX),
+                                           static_cast<FLOAT>(dxViewportTopLeftY),
+                                           static_cast<FLOAT>(dxViewportWidth),
+                                           static_cast<FLOAT>(dxViewportHeight),
+                                           actualZNear,
+                                           actualZFar};
+    mShaderConstants.onViewportChange(viewport, adjustViewport, mCurViewportOffset, is9_3,
+                                      mCurPresentPathFastEnabled);
+}
+
+void StateManager11::invalidateRenderTarget()
+{
+    mRenderTargetIsDirty = true;
+}
+
+void StateManager11::processFramebufferInvalidation(const gl::Context *context)
+{
+    ASSERT(mRenderTargetIsDirty);
+    ASSERT(context);
+
+    mInternalDirtyBits.set(DIRTY_BIT_RENDER_TARGET);
+
+    // The pixel shader is dependent on the output layout.
+    invalidateShaders();
+
+    // The D3D11 blend state is heavily dependent on the current render target.
+    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+
+    gl::Framebuffer *fbo = context->getState().getDrawFramebuffer();
+    ASSERT(fbo);
+
+    // Dirty scissor and viewport because surface texture offset might have changed.
+    if (mCurViewportOffset != fbo->getSurfaceTextureOffset())
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_VIEWPORT_STATE);
+    }
+    if (mCurScissorOffset != fbo->getSurfaceTextureOffset())
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_SCISSOR_STATE);
+    }
+
+    // Disable the depth test/depth write if we are using a stencil-only attachment.
+    // This is because ANGLE emulates stencil-only with D24S8 on D3D11 - we should neither read
+    // nor write to the unused depth part of this emulated texture.
+    bool disableDepth = (!fbo->hasDepth() && fbo->hasStencil());
+
+    // Similarly we disable the stencil portion of the DS attachment if the app only binds depth.
+    bool disableStencil = (fbo->hasDepth() && !fbo->hasStencil());
+
+    if (!mCurDisableDepth.valid() || disableDepth != mCurDisableDepth.value() ||
+        !mCurDisableStencil.valid() || disableStencil != mCurDisableStencil.value())
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+        mCurDisableDepth   = disableDepth;
+        mCurDisableStencil = disableStencil;
+    }
+
+    bool multiSample = (fbo->getSamples(context) != 0);
+    if (multiSample != mCurRasterState.multiSample)
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+        mCurRasterState.multiSample = multiSample;
+    }
+
+    checkPresentPath(context);
+
+    if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        const auto *firstAttachment = fbo->getFirstNonNullAttachment();
+        if (firstAttachment)
+        {
+            const auto &size = firstAttachment->getSize();
+            if (mViewportBounds.width != size.width || mViewportBounds.height != size.height)
+            {
+                mViewportBounds = gl::Extents(size.width, size.height, 1);
+                invalidateViewport(context);
+            }
+        }
+    }
+}
+
+void StateManager11::invalidateBoundViews()
+{
+    for (SRVCache &curShaderSRV : mCurShaderSRVs)
+    {
+        curShaderSRV.clear();
+    }
+
+    invalidateRenderTarget();
+}
+
+void StateManager11::invalidateVertexBuffer()
+{
+    unsigned int limit      = std::min<unsigned int>(mRenderer->getNativeCaps().maxVertexAttributes,
+                                                gl::MAX_VERTEX_ATTRIBS);
+    mDirtyVertexBufferRange = gl::RangeUI(0, limit);
+    invalidateInputLayout();
+    invalidateShaders();
+    mInternalDirtyBits.set(DIRTY_BIT_CURRENT_VALUE_ATTRIBS);
+}
+
+void StateManager11::invalidateViewport(const gl::Context *context)
+{
+    mInternalDirtyBits.set(DIRTY_BIT_VIEWPORT_STATE);
+
+    // Viewport affects the driver constants.
+    invalidateDriverUniforms();
+}
+
+void StateManager11::invalidateTexturesAndSamplers()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE);
+    invalidateSwizzles();
+
+    // Texture state affects the driver uniforms (base level, etc).
+    invalidateDriverUniforms();
+}
+
+void StateManager11::invalidateSwizzles()
+{
+    mDirtySwizzles = true;
+}
+
+void StateManager11::invalidateProgramUniforms()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_PROGRAM_UNIFORMS);
+}
+
+void StateManager11::invalidateDriverUniforms()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_DRIVER_UNIFORMS);
+}
+
+void StateManager11::invalidateProgramUniformBuffers()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_PROGRAM_UNIFORM_BUFFERS);
+}
+
+void StateManager11::invalidateProgramAtomicCounterBuffers()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_GRAPHICS_UAV_STATE);
+    mInternalDirtyBits.set(DIRTY_BIT_COMPUTE_UAV_STATE);
+}
+
+void StateManager11::invalidateProgramShaderStorageBuffers()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_GRAPHICS_UAV_STATE);
+    mInternalDirtyBits.set(DIRTY_BIT_COMPUTE_UAV_STATE);
+}
+
+void StateManager11::invalidateImageBindings()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE);
+    mInternalDirtyBits.set(DIRTY_BIT_GRAPHICS_SRV_STATE);
+    mInternalDirtyBits.set(DIRTY_BIT_GRAPHICS_UAV_STATE);
+    mInternalDirtyBits.set(DIRTY_BIT_COMPUTE_SRV_STATE);
+    mInternalDirtyBits.set(DIRTY_BIT_COMPUTE_UAV_STATE);
+}
+
+void StateManager11::invalidateConstantBuffer(unsigned int slot)
+{
+    if (slot == d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DRIVER)
+    {
+        invalidateDriverUniforms();
+    }
+    else if (slot == d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DEFAULT_UNIFORM_BLOCK)
+    {
+        invalidateProgramUniforms();
+    }
+    else
+    {
+        invalidateProgramUniformBuffers();
+    }
+}
+
+void StateManager11::invalidateShaders()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_SHADERS);
+}
+
+void StateManager11::invalidateTransformFeedback()
+{
+    // Transform feedback affects the stream-out geometry shader.
+    invalidateShaders();
+    mInternalDirtyBits.set(DIRTY_BIT_TRANSFORM_FEEDBACK);
+    // syncPrimitiveTopology checks the transform feedback state.
+    mInternalDirtyBits.set(DIRTY_BIT_PRIMITIVE_TOPOLOGY);
+}
+
+void StateManager11::invalidateInputLayout()
+{
+    mInternalDirtyBits.set(DIRTY_BIT_VERTEX_BUFFERS_AND_INPUT_LAYOUT);
+}
+
+void StateManager11::invalidateIndexBuffer()
+{
+    mIndexBufferIsDirty = true;
+}
+
+void StateManager11::setRenderTarget(ID3D11RenderTargetView *rtv, ID3D11DepthStencilView *dsv)
+{
+    if (rtv)
+    {
+        unsetConflictingView(gl::PipelineType::GraphicsPipeline, rtv, true);
+    }
+
+    if (dsv)
+    {
+        unsetConflictingView(gl::PipelineType::GraphicsPipeline, dsv, true);
+    }
+
+    mRenderer->getDeviceContext()->OMSetRenderTargets(1, &rtv, dsv);
+    mCurRTVs.clear();
+    mCurRTVs.update(0, rtv);
+    mInternalDirtyBits.set(DIRTY_BIT_RENDER_TARGET);
+}
+
+void StateManager11::setRenderTargets(ID3D11RenderTargetView **rtvs,
+                                      UINT numRTVs,
+                                      ID3D11DepthStencilView *dsv)
+{
+    for (UINT rtvIndex = 0; rtvIndex < numRTVs; ++rtvIndex)
+    {
+        unsetConflictingView(gl::PipelineType::GraphicsPipeline, rtvs[rtvIndex], true);
+    }
+
+    if (dsv)
+    {
+        unsetConflictingView(gl::PipelineType::GraphicsPipeline, dsv, true);
+    }
+
+    mRenderer->getDeviceContext()->OMSetRenderTargets(numRTVs, (numRTVs > 0) ? rtvs : nullptr, dsv);
+    mCurRTVs.clear();
+    for (UINT i = 0; i < numRTVs; i++)
+    {
+        mCurRTVs.update(i, rtvs[i]);
+    }
+    mInternalDirtyBits.set(DIRTY_BIT_RENDER_TARGET);
+}
+
+void StateManager11::onBeginQuery(Query11 *query)
+{
+    mCurrentQueries.insert(query);
+}
+
+void StateManager11::onDeleteQueryObject(Query11 *query)
+{
+    mCurrentQueries.erase(query);
+}
+
+angle::Result StateManager11::onMakeCurrent(const gl::Context *context)
+{
+    ANGLE_TRY(ensureInitialized(context));
+
+    const gl::State &state = context->getState();
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    for (Query11 *query : mCurrentQueries)
+    {
+        ANGLE_TRY(query->pause(context11));
+    }
+    mCurrentQueries.clear();
+
+    for (gl::QueryType type : angle::AllEnums<gl::QueryType>())
+    {
+        gl::Query *query = state.getActiveQuery(type);
+        if (query != nullptr)
+        {
+            Query11 *query11 = GetImplAs<Query11>(query);
+            ANGLE_TRY(query11->resume(context11));
+            mCurrentQueries.insert(query11);
+        }
+    }
+
+    // Reset the cache objects.
+    mProgramD3D    = nullptr;
+    mVertexArray11 = nullptr;
+    mFramebuffer11 = nullptr;
+
+    return angle::Result::Continue;
+}
+
+void StateManager11::unsetConflictingView(gl::PipelineType pipeline,
+                                          ID3D11View *view,
+                                          bool isRenderTarget)
+{
+    uintptr_t resource = reinterpret_cast<uintptr_t>(GetViewResource(view));
+
+    unsetConflictingSRVs(pipeline, gl::ShaderType::Vertex, resource, nullptr, isRenderTarget);
+    unsetConflictingSRVs(pipeline, gl::ShaderType::Fragment, resource, nullptr, isRenderTarget);
+    unsetConflictingSRVs(pipeline, gl::ShaderType::Compute, resource, nullptr, isRenderTarget);
+    unsetConflictingUAVs(pipeline, gl::ShaderType::Compute, resource, nullptr);
+}
+
+void StateManager11::unsetConflictingSRVs(gl::PipelineType pipeline,
+                                          gl::ShaderType shaderType,
+                                          uintptr_t resource,
+                                          const gl::ImageIndex *index,
+                                          bool isRenderTarget)
+{
+    auto *currentSRVs                 = getSRVCache(shaderType);
+    gl::PipelineType conflictPipeline = gl::GetPipelineType(shaderType);
+    bool foundOne                     = false;
+    size_t count                      = std::min(currentSRVs->size(), currentSRVs->highestUsed());
+    for (size_t resourceIndex = 0; resourceIndex < count; ++resourceIndex)
+    {
+        auto &record = (*currentSRVs)[resourceIndex];
+
+        if (record.view && record.resource == resource &&
+            (!index || ImageIndexConflictsWithSRV(*index, record.desc)))
+        {
+            setShaderResourceInternal<d3d11::ShaderResourceView>(
+                shaderType, static_cast<UINT>(resourceIndex), nullptr);
+            foundOne = true;
+        }
+    }
+
+    if (foundOne && (pipeline != conflictPipeline || isRenderTarget))
+    {
+        switch (conflictPipeline)
+        {
+            case gl::PipelineType::GraphicsPipeline:
+                mInternalDirtyBits.set(DIRTY_BIT_GRAPHICS_SRV_STATE);
+                break;
+            case gl::PipelineType::ComputePipeline:
+                mInternalDirtyBits.set(DIRTY_BIT_COMPUTE_SRV_STATE);
+                break;
+            default:
+                UNREACHABLE();
+        }
+    }
+}
+
+void StateManager11::unsetConflictingUAVs(gl::PipelineType pipeline,
+                                          gl::ShaderType shaderType,
+                                          uintptr_t resource,
+                                          const gl::ImageIndex *index)
+{
+    ASSERT(shaderType == gl::ShaderType::Compute);
+    bool foundOne = false;
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    size_t count = std::min(mCurComputeUAVs.size(), mCurComputeUAVs.highestUsed());
+    for (size_t resourceIndex = 0; resourceIndex < count; ++resourceIndex)
+    {
+        auto &record = mCurComputeUAVs[resourceIndex];
+
+        if (record.view && record.resource == resource &&
+            (!index || ImageIndexConflictsWithUAV(*index, record.desc)))
+        {
+            deviceContext->CSSetUnorderedAccessViews(static_cast<UINT>(resourceIndex), 1,
+                                                     &mNullUAVs[0], nullptr);
+            mCurComputeUAVs.update(resourceIndex, nullptr);
+            foundOne = true;
+        }
+    }
+
+    if (foundOne && pipeline == gl::PipelineType::GraphicsPipeline)
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_COMPUTE_UAV_STATE);
+    }
+}
+
+void StateManager11::unsetConflictingRTVs(uintptr_t resource)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    size_t count                       = std::min(mCurRTVs.size(), mCurRTVs.highestUsed());
+    for (size_t resourceIndex = 0; resourceIndex < count; ++resourceIndex)
+    {
+        auto &record = mCurRTVs[resourceIndex];
+
+        if (record.view && record.resource == resource)
+        {
+            deviceContext->OMSetRenderTargets(0, nullptr, nullptr);
+            mCurRTVs.clear();
+            mInternalDirtyBits.set(DIRTY_BIT_RENDER_TARGET);
+            return;
+        }
+    }
+}
+
+void StateManager11::unsetConflictingAttachmentResources(
+    const gl::FramebufferAttachment &attachment,
+    ID3D11Resource *resource)
+{
+    // Unbind render target SRVs from the shader here to prevent D3D11 warnings.
+    if (attachment.type() == GL_TEXTURE)
+    {
+        uintptr_t resourcePtr       = reinterpret_cast<uintptr_t>(resource);
+        const gl::ImageIndex &index = attachment.getTextureImageIndex();
+        // The index doesn't need to be corrected for the small compressed texture workaround
+        // because a rendertarget is never compressed.
+        unsetConflictingSRVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Vertex,
+                             resourcePtr, &index, false);
+        unsetConflictingSRVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Fragment,
+                             resourcePtr, &index, false);
+        unsetConflictingSRVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Compute,
+                             resourcePtr, &index, false);
+        unsetConflictingUAVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Compute,
+                             resourcePtr, &index);
+    }
+    else if (attachment.type() == GL_FRAMEBUFFER_DEFAULT)
+    {
+        uintptr_t resourcePtr = reinterpret_cast<uintptr_t>(resource);
+        unsetConflictingSRVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Vertex,
+                             resourcePtr, nullptr, false);
+        unsetConflictingSRVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Fragment,
+                             resourcePtr, nullptr, false);
+        unsetConflictingSRVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Compute,
+                             resourcePtr, nullptr, false);
+        unsetConflictingUAVs(gl::PipelineType::GraphicsPipeline, gl::ShaderType::Compute,
+                             resourcePtr, nullptr);
+    }
+}
+
+angle::Result StateManager11::ensureInitialized(const gl::Context *context)
+{
+    Renderer11 *renderer = GetImplAs<Context11>(context)->getRenderer();
+
+    const gl::Caps &caps             = renderer->getNativeCaps();
+    const gl::Extensions &extensions = renderer->getNativeExtensions();
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        const GLuint maxShaderTextureImageUnits =
+            static_cast<GLuint>(caps.maxShaderTextureImageUnits[shaderType]);
+
+        mCurShaderSRVs[shaderType].initialize(maxShaderTextureImageUnits);
+        mForceSetShaderSamplerStates[shaderType].resize(maxShaderTextureImageUnits, true);
+        mCurShaderSamplerStates[shaderType].resize(maxShaderTextureImageUnits);
+    }
+    mCurRTVs.initialize(caps.maxColorAttachments);
+    mCurComputeUAVs.initialize(caps.maxImageUnits);
+
+    // Initialize cached NULL SRV block
+    mNullSRVs.resize(caps.maxShaderTextureImageUnits[gl::ShaderType::Fragment], nullptr);
+
+    mNullUAVs.resize(caps.maxImageUnits, nullptr);
+
+    mCurrentValueAttribs.resize(caps.maxVertexAttributes);
+
+    mShaderConstants.init(caps);
+
+    mIsMultiviewEnabled = extensions.multiviewOVR || extensions.multiview2OVR;
+
+    mIndependentBlendStates = extensions.drawBuffersIndexedAny();  // requires FL10_1
+
+    // FL9_3 is limited to 4; ES3.1 context on FL11_0 is limited to 7
+    mCurBlendStateExt =
+        gl::BlendStateExt(GetImplAs<Context11>(context)->getNativeCaps().maxDrawBuffers);
+
+    ANGLE_TRY(mVertexDataManager.initialize(context));
+
+    mCurrentAttributes.reserve(gl::MAX_VERTEX_ATTRIBS);
+
+    return angle::Result::Continue;
+}
+
+void StateManager11::deinitialize()
+{
+    mCurrentValueAttribs.clear();
+    mInputLayoutCache.clear();
+    mVertexDataManager.deinitialize();
+    mIndexDataManager.deinitialize();
+
+    for (d3d11::Buffer &ShaderDriverConstantBuffer : mShaderDriverConstantBuffers)
+    {
+        ShaderDriverConstantBuffer.reset();
+    }
+
+    mPointSpriteVertexBuffer.reset();
+    mPointSpriteIndexBuffer.reset();
+}
+
+// Applies the render target surface, depth stencil surface, viewport rectangle and
+// scissor rectangle to the renderer
+angle::Result StateManager11::syncFramebuffer(const gl::Context *context)
+{
+    // Check for zero-sized default framebuffer, which is a special case.
+    // in this case we do not wish to modify any state and just silently return false.
+    // this will not report any gl error but will cause the calling method to return.
+    if (mFramebuffer11->getState().isDefault())
+    {
+        RenderTarget11 *firstRT = mFramebuffer11->getFirstRenderTarget();
+        const gl::Extents &size = firstRT->getExtents();
+        if (size.empty())
+        {
+            return angle::Result::Continue;
+        }
+    }
+
+    RTVArray framebufferRTVs = {{}};
+    const auto &colorRTs     = mFramebuffer11->getCachedColorRenderTargets();
+
+    size_t appliedRTIndex  = 0;
+    bool skipInactiveRTs   = mRenderer->getFeatures().mrtPerfWorkaround.enabled;
+    const auto &drawStates = mFramebuffer11->getState().getDrawBufferStates();
+    gl::DrawBufferMask activeProgramOutputs =
+        mProgramD3D->getState().getExecutable().getActiveOutputVariablesMask();
+    UINT maxExistingRT           = 0;
+    const auto &colorAttachments = mFramebuffer11->getState().getColorAttachments();
+
+    for (size_t rtIndex = 0; rtIndex < colorRTs.size(); ++rtIndex)
+    {
+        const RenderTarget11 *renderTarget = colorRTs[rtIndex];
+
+        // Skip inactive rendertargets if the workaround is enabled.
+        if (skipInactiveRTs &&
+            (!renderTarget || drawStates[rtIndex] == GL_NONE || !activeProgramOutputs[rtIndex]))
+        {
+            continue;
+        }
+
+        if (renderTarget)
+        {
+            framebufferRTVs[appliedRTIndex] = renderTarget->getRenderTargetView().get();
+            ASSERT(framebufferRTVs[appliedRTIndex]);
+            maxExistingRT = static_cast<UINT>(appliedRTIndex) + 1;
+
+            // Unset conflicting texture SRVs
+            const gl::FramebufferAttachment &attachment = colorAttachments[rtIndex];
+            ASSERT(attachment.isAttached());
+            unsetConflictingAttachmentResources(attachment, renderTarget->getTexture().get());
+        }
+
+        appliedRTIndex++;
+    }
+
+    // Get the depth stencil buffers
+    ID3D11DepthStencilView *framebufferDSV = nullptr;
+    const auto *depthStencilRenderTarget   = mFramebuffer11->getCachedDepthStencilRenderTarget();
+    if (depthStencilRenderTarget)
+    {
+        framebufferDSV = depthStencilRenderTarget->getDepthStencilView().get();
+        ASSERT(framebufferDSV);
+
+        // Unset conflicting texture SRVs
+        const gl::FramebufferAttachment *attachment =
+            mFramebuffer11->getState().getDepthOrStencilAttachment();
+        ASSERT(attachment);
+        unsetConflictingAttachmentResources(*attachment,
+                                            depthStencilRenderTarget->getTexture().get());
+    }
+
+    ASSERT(maxExistingRT <= static_cast<UINT>(context->getCaps().maxDrawBuffers));
+
+    // Apply the render target and depth stencil
+    mRenderer->getDeviceContext()->OMSetRenderTargets(maxExistingRT, framebufferRTVs.data(),
+                                                      framebufferDSV);
+    mCurRTVs.clear();
+    for (UINT i = 0; i < maxExistingRT; i++)
+    {
+        mCurRTVs.update(i, framebufferRTVs[i]);
+    }
+    return angle::Result::Continue;
+}
+
+void StateManager11::invalidateCurrentValueAttrib(size_t attribIndex)
+{
+    mDirtyCurrentValueAttribs.set(attribIndex);
+    mInternalDirtyBits.set(DIRTY_BIT_CURRENT_VALUE_ATTRIBS);
+    invalidateInputLayout();
+    invalidateShaders();
+}
+
+angle::Result StateManager11::syncCurrentValueAttribs(
+    const gl::Context *context,
+    const std::vector<gl::VertexAttribCurrentValueData> &currentValues)
+{
+    const gl::ProgramExecutable &executable = mProgramD3D->getState().getExecutable();
+    const auto &activeAttribsMask           = executable.getActiveAttribLocationsMask();
+    const auto &dirtyActiveAttribs          = (activeAttribsMask & mDirtyCurrentValueAttribs);
+
+    if (!dirtyActiveAttribs.any())
+    {
+        return angle::Result::Continue;
+    }
+
+    const auto &vertexAttributes = mVertexArray11->getState().getVertexAttributes();
+    const auto &vertexBindings   = mVertexArray11->getState().getVertexBindings();
+    mDirtyCurrentValueAttribs    = (mDirtyCurrentValueAttribs & ~dirtyActiveAttribs);
+
+    for (auto attribIndex : dirtyActiveAttribs)
+    {
+        if (vertexAttributes[attribIndex].enabled)
+            continue;
+
+        const auto *attrib                      = &vertexAttributes[attribIndex];
+        const auto &currentValue                = currentValues[attribIndex];
+        TranslatedAttribute *currentValueAttrib = &mCurrentValueAttribs[attribIndex];
+        currentValueAttrib->currentValueType    = currentValue.Type;
+        currentValueAttrib->attribute           = attrib;
+        currentValueAttrib->binding             = &vertexBindings[attrib->bindingIndex];
+
+        mDirtyVertexBufferRange.extend(static_cast<unsigned int>(attribIndex));
+
+        ANGLE_TRY(mVertexDataManager.storeCurrentValue(context, currentValue, currentValueAttrib,
+                                                       static_cast<size_t>(attribIndex)));
+    }
+
+    return angle::Result::Continue;
+}
+
+void StateManager11::setInputLayout(const d3d11::InputLayout *inputLayout)
+{
+    if (setInputLayoutInternal(inputLayout))
+    {
+        invalidateInputLayout();
+    }
+}
+
+bool StateManager11::setInputLayoutInternal(const d3d11::InputLayout *inputLayout)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    if (inputLayout == nullptr)
+    {
+        if (!mCurrentInputLayout.empty())
+        {
+            deviceContext->IASetInputLayout(nullptr);
+            mCurrentInputLayout.clear();
+            return true;
+        }
+    }
+    else if (inputLayout->getSerial() != mCurrentInputLayout)
+    {
+        deviceContext->IASetInputLayout(inputLayout->get());
+        mCurrentInputLayout = inputLayout->getSerial();
+        return true;
+    }
+
+    return false;
+}
+
+bool StateManager11::queueVertexBufferChange(size_t bufferIndex,
+                                             ID3D11Buffer *buffer,
+                                             UINT stride,
+                                             UINT offset)
+{
+    if (buffer != mCurrentVertexBuffers[bufferIndex] ||
+        stride != mCurrentVertexStrides[bufferIndex] ||
+        offset != mCurrentVertexOffsets[bufferIndex])
+    {
+        mDirtyVertexBufferRange.extend(static_cast<unsigned int>(bufferIndex));
+
+        mCurrentVertexBuffers[bufferIndex] = buffer;
+        mCurrentVertexStrides[bufferIndex] = stride;
+        mCurrentVertexOffsets[bufferIndex] = offset;
+        return true;
+    }
+
+    return false;
+}
+
+void StateManager11::applyVertexBufferChanges()
+{
+    if (mDirtyVertexBufferRange.empty())
+    {
+        return;
+    }
+
+    ASSERT(mDirtyVertexBufferRange.high() <= gl::MAX_VERTEX_ATTRIBS);
+
+    UINT start = static_cast<UINT>(mDirtyVertexBufferRange.low());
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    deviceContext->IASetVertexBuffers(start, static_cast<UINT>(mDirtyVertexBufferRange.length()),
+                                      &mCurrentVertexBuffers[start], &mCurrentVertexStrides[start],
+                                      &mCurrentVertexOffsets[start]);
+
+    mDirtyVertexBufferRange = gl::RangeUI(gl::MAX_VERTEX_ATTRIBS, 0);
+}
+
+void StateManager11::setSingleVertexBuffer(const d3d11::Buffer *buffer, UINT stride, UINT offset)
+{
+    ID3D11Buffer *native = buffer ? buffer->get() : nullptr;
+    if (queueVertexBufferChange(0, native, stride, offset))
+    {
+        invalidateInputLayout();
+        applyVertexBufferChanges();
+    }
+}
+
+angle::Result StateManager11::updateState(const gl::Context *context,
+                                          gl::PrimitiveMode mode,
+                                          GLint firstVertex,
+                                          GLsizei vertexOrIndexCount,
+                                          gl::DrawElementsType indexTypeOrInvalid,
+                                          const void *indices,
+                                          GLsizei instanceCount,
+                                          GLint baseVertex,
+                                          GLuint baseInstance,
+                                          bool promoteDynamic)
+{
+    const gl::State &glState = context->getState();
+
+    // TODO(jmadill): Use dirty bits.
+    if (mRenderTargetIsDirty)
+    {
+        processFramebufferInvalidation(context);
+        mRenderTargetIsDirty = false;
+    }
+
+    // TODO(jmadill): Use dirty bits.
+    if (mProgramD3D->updateSamplerMapping() == ProgramD3D::SamplerMapping::WasDirty)
+    {
+        invalidateTexturesAndSamplers();
+    }
+
+    // TODO(jmadill): Use dirty bits.
+    if (mProgramD3D->anyShaderUniformsDirty())
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_PROGRAM_UNIFORMS);
+    }
+
+    // Swizzling can cause internal state changes with blit shaders.
+    if (mDirtySwizzles)
+    {
+        ANGLE_TRY(generateSwizzles(context));
+        mDirtySwizzles = false;
+    }
+
+    ANGLE_TRY(mFramebuffer11->markAttachmentsDirty(context));
+
+    // TODO(jiawei.shao@intel.com): This can be recomputed only on framebuffer or multisample mask
+    // state changes.
+    RenderTarget11 *firstRT = mFramebuffer11->getFirstRenderTarget();
+    int samples             = (firstRT ? firstRT->getSamples() : 0);
+    unsigned int sampleMask = GetBlendSampleMask(glState, samples);
+    if (sampleMask != mCurSampleMask)
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+    }
+
+    ANGLE_TRY(mVertexArray11->syncStateForDraw(context, firstVertex, vertexOrIndexCount,
+                                               indexTypeOrInvalid, indices, instanceCount,
+                                               baseVertex, baseInstance, promoteDynamic));
+
+    // Changes in the draw call can affect the vertex buffer translations.
+    if (!mLastFirstVertex.valid() || mLastFirstVertex.value() != firstVertex)
+    {
+        mLastFirstVertex = firstVertex;
+        invalidateInputLayout();
+    }
+
+    // The ShaderConstants only need to be updated when the program uses vertexID
+    if (mProgramD3D->usesVertexID())
+    {
+        GLint firstVertexOnChange = firstVertex + baseVertex;
+        ASSERT(mVertexArray11);
+        if (mVertexArray11->hasActiveDynamicAttrib(context) &&
+            indexTypeOrInvalid != gl::DrawElementsType::InvalidEnum)
+        {
+            // drawElements with Dynamic attribute
+            // the firstVertex is already including baseVertex when
+            // doing ComputeStartVertex
+            firstVertexOnChange = firstVertex;
+        }
+
+        if (mShaderConstants.onFirstVertexChange(firstVertexOnChange))
+        {
+            mInternalDirtyBits.set(DIRTY_BIT_DRIVER_UNIFORMS);
+        }
+    }
+
+    if (indexTypeOrInvalid != gl::DrawElementsType::InvalidEnum)
+    {
+        ANGLE_TRY(applyIndexBuffer(context, vertexOrIndexCount, indexTypeOrInvalid, indices));
+    }
+
+    if (mLastAppliedDrawMode != mode)
+    {
+        mLastAppliedDrawMode = mode;
+        mInternalDirtyBits.set(DIRTY_BIT_PRIMITIVE_TOPOLOGY);
+
+        bool pointDrawMode = (mode == gl::PrimitiveMode::Points);
+        if (pointDrawMode != mCurRasterState.pointDrawMode)
+        {
+            mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+
+            // Changing from points to not points (or vice-versa) affects the geometry shader.
+            invalidateShaders();
+        }
+    }
+
+    auto dirtyBitsCopy = mInternalDirtyBits & mGraphicsDirtyBitsMask;
+
+    for (auto iter = dirtyBitsCopy.begin(), end = dirtyBitsCopy.end(); iter != end; ++iter)
+    {
+        mInternalDirtyBits.reset(*iter);
+        switch (*iter)
+        {
+            case DIRTY_BIT_RENDER_TARGET:
+                ANGLE_TRY(syncFramebuffer(context));
+                break;
+            case DIRTY_BIT_VIEWPORT_STATE:
+                syncViewport(context);
+                break;
+            case DIRTY_BIT_SCISSOR_STATE:
+                syncScissorRectangle(context);
+                break;
+            case DIRTY_BIT_RASTERIZER_STATE:
+                ANGLE_TRY(syncRasterizerState(context, mode));
+                break;
+            case DIRTY_BIT_BLEND_STATE:
+                ANGLE_TRY(syncBlendState(
+                    context, glState.getBlendStateExt(), glState.getBlendColor(), sampleMask,
+                    glState.isSampleAlphaToCoverageEnabled(), glState.hasConstantAlphaBlendFunc()));
+                break;
+            case DIRTY_BIT_DEPTH_STENCIL_STATE:
+                ANGLE_TRY(syncDepthStencilState(context));
+                break;
+            case DIRTY_BIT_GRAPHICS_SRV_STATE:
+                ANGLE_TRY(syncTextures(context));
+                break;
+            case DIRTY_BIT_GRAPHICS_UAV_STATE:
+                ANGLE_TRY(syncUAVsForGraphics(context));
+                break;
+            case DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE:
+                // TODO(jmadill): More fine-grained update.
+                ANGLE_TRY(syncTextures(context));
+                break;
+            case DIRTY_BIT_PROGRAM_UNIFORMS:
+                ANGLE_TRY(applyUniforms(context));
+                break;
+            case DIRTY_BIT_DRIVER_UNIFORMS:
+                // This must happen after viewport sync; the viewport affects builtin uniforms.
+                ANGLE_TRY(applyDriverUniforms(context));
+                break;
+            case DIRTY_BIT_PROGRAM_UNIFORM_BUFFERS:
+                ANGLE_TRY(syncUniformBuffers(context));
+                break;
+            case DIRTY_BIT_SHADERS:
+                ANGLE_TRY(syncProgram(context, mode));
+                break;
+            case DIRTY_BIT_CURRENT_VALUE_ATTRIBS:
+                ANGLE_TRY(syncCurrentValueAttribs(context, glState.getVertexAttribCurrentValues()));
+                break;
+            case DIRTY_BIT_TRANSFORM_FEEDBACK:
+                ANGLE_TRY(syncTransformFeedbackBuffers(context));
+                break;
+            case DIRTY_BIT_VERTEX_BUFFERS_AND_INPUT_LAYOUT:
+                ANGLE_TRY(syncVertexBuffersAndInputLayout(context, mode, firstVertex,
+                                                          vertexOrIndexCount, indexTypeOrInvalid,
+                                                          instanceCount));
+                break;
+            case DIRTY_BIT_PRIMITIVE_TOPOLOGY:
+                syncPrimitiveTopology(glState, mode);
+                break;
+            default:
+                UNREACHABLE();
+                break;
+        }
+    }
+
+    // Check that we haven't set any dirty bits in the flushing of the dirty bits loop, except
+    // DIRTY_BIT_COMPUTE_SRVUAV_STATE dirty bit.
+    ASSERT((mInternalDirtyBits & mGraphicsDirtyBitsMask).none());
+
+    return angle::Result::Continue;
+}
+
+void StateManager11::setShaderResourceShared(gl::ShaderType shaderType,
+                                             UINT resourceSlot,
+                                             const d3d11::SharedSRV *srv)
+{
+    setShaderResourceInternal(shaderType, resourceSlot, srv);
+
+    // TODO(jmadill): Narrower dirty region.
+    mInternalDirtyBits.set(DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE);
+}
+
+void StateManager11::setShaderResource(gl::ShaderType shaderType,
+                                       UINT resourceSlot,
+                                       const d3d11::ShaderResourceView *srv)
+{
+    setShaderResourceInternal(shaderType, resourceSlot, srv);
+
+    // TODO(jmadill): Narrower dirty region.
+    mInternalDirtyBits.set(DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE);
+}
+
+void StateManager11::setPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY primitiveTopology)
+{
+    if (setPrimitiveTopologyInternal(primitiveTopology))
+    {
+        mInternalDirtyBits.set(DIRTY_BIT_PRIMITIVE_TOPOLOGY);
+    }
+}
+
+bool StateManager11::setPrimitiveTopologyInternal(D3D11_PRIMITIVE_TOPOLOGY primitiveTopology)
+{
+    if (primitiveTopology != mCurrentPrimitiveTopology)
+    {
+        mRenderer->getDeviceContext()->IASetPrimitiveTopology(primitiveTopology);
+        mCurrentPrimitiveTopology = primitiveTopology;
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+void StateManager11::setDrawShaders(const d3d11::VertexShader *vertexShader,
+                                    const d3d11::GeometryShader *geometryShader,
+                                    const d3d11::PixelShader *pixelShader)
+{
+    setVertexShader(vertexShader);
+    setGeometryShader(geometryShader);
+    setPixelShader(pixelShader);
+}
+
+void StateManager11::setVertexShader(const d3d11::VertexShader *shader)
+{
+    ResourceSerial serial = shader ? shader->getSerial() : ResourceSerial(0);
+
+    if (serial != mAppliedShaders[gl::ShaderType::Vertex])
+    {
+        ID3D11VertexShader *appliedShader = shader ? shader->get() : nullptr;
+        mRenderer->getDeviceContext()->VSSetShader(appliedShader, nullptr, 0);
+        mAppliedShaders[gl::ShaderType::Vertex] = serial;
+        invalidateShaders();
+    }
+}
+
+void StateManager11::setGeometryShader(const d3d11::GeometryShader *shader)
+{
+    ResourceSerial serial = shader ? shader->getSerial() : ResourceSerial(0);
+
+    if (serial != mAppliedShaders[gl::ShaderType::Geometry])
+    {
+        ID3D11GeometryShader *appliedShader = shader ? shader->get() : nullptr;
+        mRenderer->getDeviceContext()->GSSetShader(appliedShader, nullptr, 0);
+        mAppliedShaders[gl::ShaderType::Geometry] = serial;
+        invalidateShaders();
+    }
+}
+
+void StateManager11::setPixelShader(const d3d11::PixelShader *shader)
+{
+    ResourceSerial serial = shader ? shader->getSerial() : ResourceSerial(0);
+
+    if (serial != mAppliedShaders[gl::ShaderType::Fragment])
+    {
+        ID3D11PixelShader *appliedShader = shader ? shader->get() : nullptr;
+        mRenderer->getDeviceContext()->PSSetShader(appliedShader, nullptr, 0);
+        mAppliedShaders[gl::ShaderType::Fragment] = serial;
+        invalidateShaders();
+    }
+}
+
+void StateManager11::setComputeShader(const d3d11::ComputeShader *shader)
+{
+    ResourceSerial serial = shader ? shader->getSerial() : ResourceSerial(0);
+
+    if (serial != mAppliedShaders[gl::ShaderType::Compute])
+    {
+        ID3D11ComputeShader *appliedShader = shader ? shader->get() : nullptr;
+        mRenderer->getDeviceContext()->CSSetShader(appliedShader, nullptr, 0);
+        mAppliedShaders[gl::ShaderType::Compute] = serial;
+        invalidateShaders();
+    }
+}
+
+void StateManager11::setVertexConstantBuffer(unsigned int slot, const d3d11::Buffer *buffer)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    auto &currentSerial                = mCurrentConstantBufferVS[slot];
+
+    mCurrentConstantBufferVSOffset[slot] = 0;
+    mCurrentConstantBufferVSSize[slot]   = 0;
+
+    if (buffer)
+    {
+        if (currentSerial != buffer->getSerial())
+        {
+            deviceContext->VSSetConstantBuffers(slot, 1, buffer->getPointer());
+            currentSerial = buffer->getSerial();
+            invalidateConstantBuffer(slot);
+        }
+    }
+    else
+    {
+        if (!currentSerial.empty())
+        {
+            ID3D11Buffer *nullBuffer = nullptr;
+            deviceContext->VSSetConstantBuffers(slot, 1, &nullBuffer);
+            currentSerial.clear();
+            invalidateConstantBuffer(slot);
+        }
+    }
+}
+
+void StateManager11::setPixelConstantBuffer(unsigned int slot, const d3d11::Buffer *buffer)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    auto &currentSerial                = mCurrentConstantBufferPS[slot];
+
+    mCurrentConstantBufferPSOffset[slot] = 0;
+    mCurrentConstantBufferPSSize[slot]   = 0;
+
+    if (buffer)
+    {
+        if (currentSerial != buffer->getSerial())
+        {
+            deviceContext->PSSetConstantBuffers(slot, 1, buffer->getPointer());
+            currentSerial = buffer->getSerial();
+            invalidateConstantBuffer(slot);
+        }
+    }
+    else
+    {
+        if (!currentSerial.empty())
+        {
+            ID3D11Buffer *nullBuffer = nullptr;
+            deviceContext->PSSetConstantBuffers(slot, 1, &nullBuffer);
+            currentSerial.clear();
+            invalidateConstantBuffer(slot);
+        }
+    }
+}
+
+void StateManager11::setDepthStencilState(const d3d11::DepthStencilState *depthStencilState,
+                                          UINT stencilRef)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    if (depthStencilState)
+    {
+        deviceContext->OMSetDepthStencilState(depthStencilState->get(), stencilRef);
+    }
+    else
+    {
+        deviceContext->OMSetDepthStencilState(nullptr, stencilRef);
+    }
+
+    mInternalDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_STATE);
+}
+
+void StateManager11::setSimpleBlendState(const d3d11::BlendState *blendState)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    if (blendState)
+    {
+        deviceContext->OMSetBlendState(blendState->get(), nullptr, 0xFFFFFFFF);
+    }
+    else
+    {
+        deviceContext->OMSetBlendState(nullptr, nullptr, 0xFFFFFFFF);
+    }
+
+    mInternalDirtyBits.set(DIRTY_BIT_BLEND_STATE);
+}
+
+void StateManager11::setRasterizerState(const d3d11::RasterizerState *rasterizerState)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    if (rasterizerState)
+    {
+        deviceContext->RSSetState(rasterizerState->get());
+    }
+    else
+    {
+        deviceContext->RSSetState(nullptr);
+    }
+
+    mInternalDirtyBits.set(DIRTY_BIT_RASTERIZER_STATE);
+}
+
+void StateManager11::setSimpleViewport(const gl::Extents &extents)
+{
+    setSimpleViewport(extents.width, extents.height);
+}
+
+void StateManager11::setSimpleViewport(int width, int height)
+{
+    D3D11_VIEWPORT viewport;
+    viewport.TopLeftX = 0;
+    viewport.TopLeftY = 0;
+    viewport.Width    = static_cast<FLOAT>(width);
+    viewport.Height   = static_cast<FLOAT>(height);
+    viewport.MinDepth = 0.0f;
+    viewport.MaxDepth = 1.0f;
+
+    mRenderer->getDeviceContext()->RSSetViewports(1, &viewport);
+    mInternalDirtyBits.set(DIRTY_BIT_VIEWPORT_STATE);
+}
+
+void StateManager11::setSimplePixelTextureAndSampler(const d3d11::SharedSRV &srv,
+                                                     const d3d11::SamplerState &samplerState)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    setShaderResourceInternal(gl::ShaderType::Fragment, 0, &srv);
+    deviceContext->PSSetSamplers(0, 1, samplerState.getPointer());
+
+    mInternalDirtyBits.set(DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE);
+    mForceSetShaderSamplerStates[gl::ShaderType::Fragment][0] = true;
+}
+
+void StateManager11::setSimpleScissorRect(const gl::Rectangle &glRect)
+{
+    D3D11_RECT scissorRect;
+    scissorRect.left   = glRect.x;
+    scissorRect.right  = glRect.x + glRect.width;
+    scissorRect.top    = glRect.y;
+    scissorRect.bottom = glRect.y + glRect.height;
+    setScissorRectD3D(scissorRect);
+}
+
+void StateManager11::setScissorRectD3D(const D3D11_RECT &d3dRect)
+{
+    mRenderer->getDeviceContext()->RSSetScissorRects(1, &d3dRect);
+    mInternalDirtyBits.set(DIRTY_BIT_SCISSOR_STATE);
+}
+
+angle::Result StateManager11::syncTextures(const gl::Context *context)
+{
+    ANGLE_TRY(applyTexturesForSRVs(context, gl::ShaderType::Vertex));
+    ANGLE_TRY(applyTexturesForSRVs(context, gl::ShaderType::Fragment));
+    if (mProgramD3D->hasShaderStage(gl::ShaderType::Geometry))
+    {
+        ANGLE_TRY(applyTexturesForSRVs(context, gl::ShaderType::Geometry));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::setSamplerState(const gl::Context *context,
+                                              gl::ShaderType type,
+                                              int index,
+                                              gl::Texture *texture,
+                                              const gl::SamplerState &samplerState)
+{
+#if !defined(NDEBUG)
+    // Storage should exist, texture should be complete. Only verified in Debug.
+    TextureD3D *textureD3D  = GetImplAs<TextureD3D>(texture);
+    TextureStorage *storage = nullptr;
+    ANGLE_TRY(textureD3D->getNativeTexture(context, &storage));
+    ASSERT(storage);
+#endif  // !defined(NDEBUG)
+
+    auto *deviceContext = mRenderer->getDeviceContext();
+
+    ASSERT(index < mRenderer->getNativeCaps().maxShaderTextureImageUnits[type]);
+
+    if (mForceSetShaderSamplerStates[type][index] ||
+        memcmp(&samplerState, &mCurShaderSamplerStates[type][index], sizeof(gl::SamplerState)) != 0)
+    {
+        ID3D11SamplerState *dxSamplerState = nullptr;
+        ANGLE_TRY(mRenderer->getSamplerState(context, samplerState, &dxSamplerState));
+
+        ASSERT(dxSamplerState != nullptr);
+
+        switch (type)
+        {
+            case gl::ShaderType::Vertex:
+                deviceContext->VSSetSamplers(index, 1, &dxSamplerState);
+                break;
+            case gl::ShaderType::Fragment:
+                deviceContext->PSSetSamplers(index, 1, &dxSamplerState);
+                break;
+            case gl::ShaderType::Compute:
+                deviceContext->CSSetSamplers(index, 1, &dxSamplerState);
+                break;
+            case gl::ShaderType::Geometry:
+                deviceContext->GSSetSamplers(index, 1, &dxSamplerState);
+                break;
+            default:
+                UNREACHABLE();
+                break;
+        }
+
+        mCurShaderSamplerStates[type][index] = samplerState;
+    }
+
+    mForceSetShaderSamplerStates[type][index] = false;
+
+    // Sampler metadata that's passed to shaders in uniforms is stored separately from rest of the
+    // sampler state since having it in contiguous memory makes it possible to memcpy to a constant
+    // buffer, and it doesn't affect the state set by
+    // PSSetSamplers/VSSetSamplers/CSSetSamplers/GSSetSamplers.
+    mShaderConstants.onSamplerChange(type, index, *texture, samplerState);
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::setTextureForSampler(const gl::Context *context,
+                                                   gl::ShaderType type,
+                                                   int index,
+                                                   gl::Texture *texture,
+                                                   const gl::SamplerState &sampler)
+{
+    const d3d11::SharedSRV *textureSRV = nullptr;
+
+    if (texture)
+    {
+        TextureD3D *textureImpl = GetImplAs<TextureD3D>(texture);
+
+        TextureStorage *texStorage = nullptr;
+        ANGLE_TRY(textureImpl->getNativeTexture(context, &texStorage));
+
+        // Texture should be complete and have a storage
+        ASSERT(texStorage);
+
+        TextureStorage11 *storage11 = GetAs<TextureStorage11>(texStorage);
+
+        ANGLE_TRY(
+            storage11->getSRVForSampler(context, texture->getTextureState(), sampler, &textureSRV));
+
+        // If we get an invalid SRV here, something went wrong in the texture class and we're
+        // unexpectedly missing the shader resource view.
+        ASSERT(textureSRV->valid());
+
+        textureImpl->resetDirty();
+    }
+
+    ASSERT(
+        (type == gl::ShaderType::Fragment &&
+         index < mRenderer->getNativeCaps().maxShaderTextureImageUnits[gl::ShaderType::Fragment]) ||
+        (type == gl::ShaderType::Vertex &&
+         index < mRenderer->getNativeCaps().maxShaderTextureImageUnits[gl::ShaderType::Vertex]) ||
+        (type == gl::ShaderType::Compute &&
+         index < mRenderer->getNativeCaps().maxShaderTextureImageUnits[gl::ShaderType::Compute]));
+
+    setShaderResourceInternal(type, index, textureSRV);
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::setImageState(const gl::Context *context,
+                                            gl::ShaderType type,
+                                            int index,
+                                            const gl::ImageUnit &imageUnit)
+{
+    ASSERT(index < mRenderer->getNativeCaps().maxShaderImageUniforms[type]);
+
+    if (mShaderConstants.onImageChange(type, index, imageUnit))
+    {
+        invalidateProgramUniforms();
+    }
+
+    return angle::Result::Continue;
+}
+
+// For each Direct3D sampler of either the pixel or vertex stage,
+// looks up the corresponding OpenGL texture image unit and texture type,
+// and sets the texture and its addressing/filtering state (or NULL when inactive).
+// Sampler mapping needs to be up-to-date on the program object before this is called.
+angle::Result StateManager11::applyTexturesForSRVs(const gl::Context *context,
+                                                   gl::ShaderType shaderType)
+{
+    const auto &glState = context->getState();
+    const auto &caps    = context->getCaps();
+
+    ASSERT(!mProgramD3D->isSamplerMappingDirty());
+
+    // TODO(jmadill): Use the Program's sampler bindings.
+    const gl::ActiveTexturesCache &completeTextures = glState.getActiveTexturesCache();
+
+    const gl::RangeUI samplerRange = mProgramD3D->getUsedSamplerRange(shaderType);
+    for (unsigned int samplerIndex = samplerRange.low(); samplerIndex < samplerRange.high();
+         samplerIndex++)
+    {
+        GLint textureUnit = mProgramD3D->getSamplerMapping(shaderType, samplerIndex, caps);
+        ASSERT(textureUnit != -1);
+        gl::Texture *texture = completeTextures[textureUnit];
+
+        // A nullptr texture indicates incomplete.
+        if (texture)
+        {
+            gl::Sampler *samplerObject = glState.getSampler(textureUnit);
+
+            const gl::SamplerState &samplerState =
+                samplerObject ? samplerObject->getSamplerState() : texture->getSamplerState();
+
+            ANGLE_TRY(setSamplerState(context, shaderType, samplerIndex, texture, samplerState));
+            ANGLE_TRY(
+                setTextureForSampler(context, shaderType, samplerIndex, texture, samplerState));
+        }
+        else
+        {
+            gl::TextureType textureType =
+                mProgramD3D->getSamplerTextureType(shaderType, samplerIndex);
+
+            // Texture is not sampler complete or it is in use by the framebuffer.  Bind the
+            // incomplete texture.
+            gl::Texture *incompleteTexture = nullptr;
+            ANGLE_TRY(mRenderer->getIncompleteTexture(context, textureType, &incompleteTexture));
+            ANGLE_TRY(setSamplerState(context, shaderType, samplerIndex, incompleteTexture,
+                                      incompleteTexture->getSamplerState()));
+            ANGLE_TRY(setTextureForSampler(context, shaderType, samplerIndex, incompleteTexture,
+                                           incompleteTexture->getSamplerState()));
+        }
+    }
+
+    const gl::RangeUI readonlyImageRange = mProgramD3D->getUsedImageRange(shaderType, true);
+    for (unsigned int readonlyImageIndex = readonlyImageRange.low();
+         readonlyImageIndex < readonlyImageRange.high(); readonlyImageIndex++)
+    {
+        GLint imageUnitIndex =
+            mProgramD3D->getImageMapping(shaderType, readonlyImageIndex, true, caps);
+        ASSERT(imageUnitIndex != -1);
+        const gl::ImageUnit &imageUnit = glState.getImageUnit(imageUnitIndex);
+        if (!imageUnit.layered)
+        {
+            ANGLE_TRY(setImageState(context, gl::ShaderType::Compute,
+                                    readonlyImageIndex - readonlyImageRange.low(), imageUnit));
+        }
+        ANGLE_TRY(setTextureForImage(context, shaderType, readonlyImageIndex, imageUnit));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::getUAVsForRWImages(const gl::Context *context,
+                                                 gl::ShaderType shaderType,
+                                                 UAVList *uavList)
+{
+    const auto &glState = context->getState();
+    const auto &caps    = context->getCaps();
+
+    const gl::RangeUI imageRange = mProgramD3D->getUsedImageRange(shaderType, false);
+    for (unsigned int imageIndex = imageRange.low(); imageIndex < imageRange.high(); imageIndex++)
+    {
+        GLint imageUnitIndex = mProgramD3D->getImageMapping(shaderType, imageIndex, false, caps);
+        ASSERT(imageUnitIndex != -1);
+        const gl::ImageUnit &imageUnit = glState.getImageUnit(imageUnitIndex);
+        if (!imageUnit.layered)
+        {
+            ANGLE_TRY(setImageState(context, shaderType, imageIndex - imageRange.low(), imageUnit));
+        }
+        ANGLE_TRY(getUAVForRWImage(context, shaderType, imageIndex, imageUnit, uavList));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncTexturesForCompute(const gl::Context *context)
+{
+    ANGLE_TRY(applyTexturesForSRVs(context, gl::ShaderType::Compute));
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::setTextureForImage(const gl::Context *context,
+                                                 gl::ShaderType type,
+                                                 int index,
+                                                 const gl::ImageUnit &imageUnit)
+{
+    TextureD3D *textureImpl = nullptr;
+    if (!imageUnit.texture.get())
+    {
+        setShaderResourceInternal<d3d11::ShaderResourceView>(type, static_cast<UINT>(index),
+                                                             nullptr);
+        return angle::Result::Continue;
+    }
+
+    textureImpl = GetImplAs<TextureD3D>(imageUnit.texture.get());
+
+    // Ensure that texture has unordered access; convert it if not.
+    ANGLE_TRY(textureImpl->ensureUnorderedAccess(context));
+
+    TextureStorage *texStorage = nullptr;
+    ANGLE_TRY(textureImpl->getNativeTexture(context, &texStorage));
+    // Texture should be complete and have a storage
+    ASSERT(texStorage);
+    TextureStorage11 *storage11 = GetAs<TextureStorage11>(texStorage);
+
+    const d3d11::SharedSRV *textureSRV = nullptr;
+    ANGLE_TRY(storage11->getSRVForImage(context, imageUnit, &textureSRV));
+    // If we get an invalid SRV here, something went wrong in the texture class and we're
+    // unexpectedly missing the shader resource view.
+    ASSERT(textureSRV->valid());
+    ASSERT((index < mRenderer->getNativeCaps().maxImageUnits));
+    setShaderResourceInternal(type, index, textureSRV);
+
+    textureImpl->resetDirty();
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::getUAVForRWImage(const gl::Context *context,
+                                               gl::ShaderType type,
+                                               int index,
+                                               const gl::ImageUnit &imageUnit,
+                                               UAVList *uavList)
+{
+    TextureD3D *textureImpl = nullptr;
+    if (!imageUnit.texture.get())
+    {
+        setUnorderedAccessViewInternal<d3d11::UnorderedAccessView>(static_cast<UINT>(index),
+                                                                   nullptr, uavList);
+        return angle::Result::Continue;
+    }
+
+    textureImpl = GetImplAs<TextureD3D>(imageUnit.texture.get());
+
+    // Ensure that texture has unordered access; convert it if not.
+    ANGLE_TRY(textureImpl->ensureUnorderedAccess(context));
+
+    TextureStorage *texStorage = nullptr;
+    ANGLE_TRY(textureImpl->getNativeTexture(context, &texStorage));
+    // Texture should be complete and have a storage
+    ASSERT(texStorage);
+    TextureStorage11 *storage11 = GetAs<TextureStorage11>(texStorage);
+
+    const d3d11::SharedUAV *textureUAV = nullptr;
+    ANGLE_TRY(storage11->getUAVForImage(context, imageUnit, &textureUAV));
+    // If we get an invalid UAV here, something went wrong in the texture class and we're
+    // unexpectedly missing the unordered access view.
+    ASSERT(textureUAV->valid());
+    ASSERT((index < mRenderer->getNativeCaps().maxImageUnits));
+    setUnorderedAccessViewInternal(index, textureUAV, uavList);
+
+    textureImpl->resetDirty();
+    return angle::Result::Continue;
+}
+
+// Things that affect a program's dirtyness:
+// 1. Directly changing the program executable -> triggered in StateManager11::syncState.
+// 2. The vertex attribute layout              -> triggered in VertexArray11::syncState/signal.
+// 3. The fragment shader's rendertargets      -> triggered in Framebuffer11::syncState/signal.
+// 4. Enabling/disabling rasterizer discard.   -> triggered in StateManager11::syncState.
+// 5. Enabling/disabling transform feedback.   -> checked in StateManager11::updateState.
+// 6. An internal shader was used.             -> triggered in StateManager11::set*Shader.
+// 7. Drawing with/without point sprites.      -> checked in StateManager11::updateState.
+// TODO(jmadill): Use dirty bits for transform feedback.
+angle::Result StateManager11::syncProgram(const gl::Context *context, gl::PrimitiveMode drawMode)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+    ANGLE_TRY(context11->triggerDrawCallProgramRecompilation(context, drawMode));
+
+    const auto &glState = context->getState();
+
+    mProgramD3D->updateCachedInputLayout(mVertexArray11->getCurrentStateSerial(), glState);
+
+    // Binaries must be compiled before the sync.
+    ASSERT(mProgramD3D->hasVertexExecutableForCachedInputLayout());
+    ASSERT(mProgramD3D->hasGeometryExecutableForPrimitiveType(glState, drawMode));
+    ASSERT(mProgramD3D->hasPixelExecutableForCachedOutputLayout());
+
+    ShaderExecutableD3D *vertexExe = nullptr;
+    ANGLE_TRY(mProgramD3D->getVertexExecutableForCachedInputLayout(context11, &vertexExe, nullptr));
+
+    ShaderExecutableD3D *pixelExe = nullptr;
+    ANGLE_TRY(mProgramD3D->getPixelExecutableForCachedOutputLayout(context11, &pixelExe, nullptr));
+
+    ShaderExecutableD3D *geometryExe = nullptr;
+    ANGLE_TRY(mProgramD3D->getGeometryExecutableForPrimitiveType(context11, glState, drawMode,
+                                                                 &geometryExe, nullptr));
+
+    const d3d11::VertexShader *vertexShader =
+        (vertexExe ? &GetAs<ShaderExecutable11>(vertexExe)->getVertexShader() : nullptr);
+
+    // Skip pixel shader if we're doing rasterizer discard.
+    const d3d11::PixelShader *pixelShader = nullptr;
+    if (!glState.getRasterizerState().rasterizerDiscard)
+    {
+        pixelShader = (pixelExe ? &GetAs<ShaderExecutable11>(pixelExe)->getPixelShader() : nullptr);
+    }
+
+    const d3d11::GeometryShader *geometryShader = nullptr;
+    if (glState.isTransformFeedbackActiveUnpaused())
+    {
+        geometryShader =
+            (vertexExe ? &GetAs<ShaderExecutable11>(vertexExe)->getStreamOutShader() : nullptr);
+    }
+    else
+    {
+        geometryShader =
+            (geometryExe ? &GetAs<ShaderExecutable11>(geometryExe)->getGeometryShader() : nullptr);
+    }
+
+    setDrawShaders(vertexShader, geometryShader, pixelShader);
+
+    // Explicitly clear the shaders dirty bit.
+    mInternalDirtyBits.reset(DIRTY_BIT_SHADERS);
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncProgramForCompute(const gl::Context *context)
+{
+    Context11 *context11 = GetImplAs<Context11>(context);
+    ANGLE_TRY(context11->triggerDispatchCallProgramRecompilation(context));
+
+    mProgramD3D->updateCachedComputeImage2DBindLayout(context);
+
+    // Binaries must be compiled before the sync.
+    ASSERT(mProgramD3D->hasComputeExecutableForCachedImage2DBindLayout());
+
+    ShaderExecutableD3D *computeExe = nullptr;
+    ANGLE_TRY(mProgramD3D->getComputeExecutableForImage2DBindLayout(context, context11, &computeExe,
+                                                                    nullptr));
+
+    const d3d11::ComputeShader *computeShader =
+        (computeExe ? &GetAs<ShaderExecutable11>(computeExe)->getComputeShader() : nullptr);
+    setComputeShader(computeShader);
+    // Explicitly clear the shaders dirty bit.
+    mInternalDirtyBits.reset(DIRTY_BIT_SHADERS);
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncVertexBuffersAndInputLayout(
+    const gl::Context *context,
+    gl::PrimitiveMode mode,
+    GLint firstVertex,
+    GLsizei vertexOrIndexCount,
+    gl::DrawElementsType indexTypeOrInvalid,
+    GLsizei instanceCount)
+{
+    const auto &vertexArrayAttribs = mVertexArray11->getTranslatedAttribs();
+
+    // Sort the attributes according to ensure we re-use similar input layouts.
+    AttribIndexArray sortedSemanticIndices;
+    SortAttributesByLayout(*mProgramD3D, vertexArrayAttribs, mCurrentValueAttribs,
+                           &sortedSemanticIndices, &mCurrentAttributes);
+
+    D3D_FEATURE_LEVEL featureLevel = mRenderer->getRenderer11DeviceCaps().featureLevel;
+
+    // If we are using FL 9_3, make sure the first attribute is not instanced
+    if (featureLevel <= D3D_FEATURE_LEVEL_9_3 && !mCurrentAttributes.empty())
+    {
+        if (mCurrentAttributes[0]->divisor > 0)
+        {
+            Optional<size_t> firstNonInstancedIndex = FindFirstNonInstanced(mCurrentAttributes);
+            if (firstNonInstancedIndex.valid())
+            {
+                size_t index = firstNonInstancedIndex.value();
+                std::swap(mCurrentAttributes[0], mCurrentAttributes[index]);
+                std::swap(sortedSemanticIndices[0], sortedSemanticIndices[index]);
+            }
+        }
+    }
+
+    // Update the applied input layout by querying the cache.
+    const gl::State &state                = context->getState();
+    const d3d11::InputLayout *inputLayout = nullptr;
+    ANGLE_TRY(mInputLayoutCache.getInputLayout(GetImplAs<Context11>(context), state,
+                                               mCurrentAttributes, sortedSemanticIndices, mode,
+                                               vertexOrIndexCount, instanceCount, &inputLayout));
+    setInputLayoutInternal(inputLayout);
+
+    // Update the applied vertex buffers.
+    ANGLE_TRY(applyVertexBuffers(context, mode, indexTypeOrInvalid, firstVertex));
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::applyVertexBuffers(const gl::Context *context,
+                                                 gl::PrimitiveMode mode,
+                                                 gl::DrawElementsType indexTypeOrInvalid,
+                                                 GLint firstVertex)
+{
+    bool programUsesInstancedPointSprites =
+        mProgramD3D->usesPointSize() && mProgramD3D->usesInstancedPointSpriteEmulation();
+    bool instancedPointSpritesActive =
+        programUsesInstancedPointSprites && (mode == gl::PrimitiveMode::Points);
+
+    // Note that if we use instance emulation, we reserve the first buffer slot.
+    size_t reservedBuffers = GetReservedBufferCount(programUsesInstancedPointSprites);
+
+    for (size_t attribIndex = 0; attribIndex < (gl::MAX_VERTEX_ATTRIBS - reservedBuffers);
+         ++attribIndex)
+    {
+        ID3D11Buffer *buffer = nullptr;
+        UINT vertexStride    = 0;
+        UINT vertexOffset    = 0;
+
+        if (attribIndex < mCurrentAttributes.size())
+        {
+            const TranslatedAttribute &attrib = *mCurrentAttributes[attribIndex];
+            Buffer11 *bufferStorage = attrib.storage ? GetAs<Buffer11>(attrib.storage) : nullptr;
+
+            // If indexed pointsprite emulation is active, then we need to take a less efficent code
+            // path. Emulated indexed pointsprite rendering requires that the vertex buffers match
+            // exactly to the indices passed by the caller.  This could expand or shrink the vertex
+            // buffer depending on the number of points indicated by the index list or how many
+            // duplicates are found on the index list.
+            if (bufferStorage == nullptr)
+            {
+                ASSERT(attrib.vertexBuffer.get());
+                buffer = GetAs<VertexBuffer11>(attrib.vertexBuffer.get())->getBuffer().get();
+            }
+            else if (instancedPointSpritesActive &&
+                     indexTypeOrInvalid != gl::DrawElementsType::InvalidEnum)
+            {
+                ASSERT(mVertexArray11->isCachedIndexInfoValid());
+                TranslatedIndexData indexInfo = mVertexArray11->getCachedIndexInfo();
+                if (indexInfo.srcIndexData.srcBuffer != nullptr)
+                {
+                    const uint8_t *bufferData = nullptr;
+                    ANGLE_TRY(indexInfo.srcIndexData.srcBuffer->getData(context, &bufferData));
+                    ASSERT(bufferData != nullptr);
+
+                    ptrdiff_t offset =
+                        reinterpret_cast<ptrdiff_t>(indexInfo.srcIndexData.srcIndices);
+                    indexInfo.srcIndexData.srcBuffer  = nullptr;
+                    indexInfo.srcIndexData.srcIndices = bufferData + offset;
+                }
+
+                ANGLE_TRY(bufferStorage->getEmulatedIndexedBuffer(context, &indexInfo.srcIndexData,
+                                                                  attrib, firstVertex, &buffer));
+
+                mVertexArray11->updateCachedIndexInfo(indexInfo);
+            }
+            else
+            {
+                ANGLE_TRY(bufferStorage->getBuffer(
+                    context, BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK, &buffer));
+            }
+
+            vertexStride = attrib.stride;
+            ANGLE_TRY(attrib.computeOffset(context, firstVertex, &vertexOffset));
+        }
+
+        size_t bufferIndex = reservedBuffers + attribIndex;
+
+        queueVertexBufferChange(bufferIndex, buffer, vertexStride, vertexOffset);
+    }
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    // Instanced PointSprite emulation requires two additional ID3D11Buffers. A vertex buffer needs
+    // to be created and added to the list of current buffers, strides and offsets collections.
+    // This buffer contains the vertices for a single PointSprite quad.
+    // An index buffer also needs to be created and applied because rendering instanced data on
+    // D3D11 FL9_3 requires DrawIndexedInstanced() to be used. Shaders that contain gl_PointSize and
+    // used without the GL_POINTS rendering mode require a vertex buffer because some drivers cannot
+    // handle missing vertex data and will TDR the system.
+    if (programUsesInstancedPointSprites)
+    {
+        constexpr UINT kPointSpriteVertexStride = sizeof(float) * 5;
+
+        if (!mPointSpriteVertexBuffer.valid())
+        {
+            static constexpr float kPointSpriteVertices[] = {
+                // Position        | TexCoord
+                -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, /* v0 */
+                -1.0f, 1.0f,  0.0f, 0.0f, 0.0f, /* v1 */
+                1.0f,  1.0f,  0.0f, 1.0f, 0.0f, /* v2 */
+                1.0f,  -1.0f, 0.0f, 1.0f, 1.0f, /* v3 */
+                -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, /* v4 */
+                1.0f,  1.0f,  0.0f, 1.0f, 0.0f, /* v5 */
+            };
+
+            D3D11_SUBRESOURCE_DATA vertexBufferData = {kPointSpriteVertices, 0, 0};
+            D3D11_BUFFER_DESC vertexBufferDesc;
+            vertexBufferDesc.ByteWidth           = sizeof(kPointSpriteVertices);
+            vertexBufferDesc.BindFlags           = D3D11_BIND_VERTEX_BUFFER;
+            vertexBufferDesc.Usage               = D3D11_USAGE_IMMUTABLE;
+            vertexBufferDesc.CPUAccessFlags      = 0;
+            vertexBufferDesc.MiscFlags           = 0;
+            vertexBufferDesc.StructureByteStride = 0;
+
+            ANGLE_TRY(mRenderer->allocateResource(context11, vertexBufferDesc, &vertexBufferData,
+                                                  &mPointSpriteVertexBuffer));
+        }
+
+        // Set the stride to 0 if GL_POINTS mode is not being used to instruct the driver to avoid
+        // indexing into the vertex buffer.
+        UINT stride = instancedPointSpritesActive ? kPointSpriteVertexStride : 0;
+        queueVertexBufferChange(0, mPointSpriteVertexBuffer.get(), stride, 0);
+
+        if (!mPointSpriteIndexBuffer.valid())
+        {
+            // Create an index buffer and set it for pointsprite rendering
+            static constexpr unsigned short kPointSpriteIndices[] = {
+                0, 1, 2, 3, 4, 5,
+            };
+
+            D3D11_SUBRESOURCE_DATA indexBufferData = {kPointSpriteIndices, 0, 0};
+            D3D11_BUFFER_DESC indexBufferDesc;
+            indexBufferDesc.ByteWidth           = sizeof(kPointSpriteIndices);
+            indexBufferDesc.BindFlags           = D3D11_BIND_INDEX_BUFFER;
+            indexBufferDesc.Usage               = D3D11_USAGE_IMMUTABLE;
+            indexBufferDesc.CPUAccessFlags      = 0;
+            indexBufferDesc.MiscFlags           = 0;
+            indexBufferDesc.StructureByteStride = 0;
+
+            ANGLE_TRY(mRenderer->allocateResource(context11, indexBufferDesc, &indexBufferData,
+                                                  &mPointSpriteIndexBuffer));
+        }
+
+        if (instancedPointSpritesActive)
+        {
+            // The index buffer is applied here because Instanced PointSprite emulation uses the a
+            // non-indexed rendering path in ANGLE (DrawArrays). This means that applyIndexBuffer()
+            // on the renderer will not be called and setting this buffer here ensures that the
+            // rendering path will contain the correct index buffers.
+            syncIndexBuffer(mPointSpriteIndexBuffer.get(), DXGI_FORMAT_R16_UINT, 0);
+        }
+    }
+
+    applyVertexBufferChanges();
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::applyIndexBuffer(const gl::Context *context,
+                                               GLsizei indexCount,
+                                               gl::DrawElementsType indexType,
+                                               const void *indices)
+{
+    if (!mIndexBufferIsDirty)
+    {
+        // No streaming or index buffer application necessary.
+        return angle::Result::Continue;
+    }
+
+    gl::DrawElementsType destElementType = mVertexArray11->getCachedDestinationIndexType();
+    gl::Buffer *elementArrayBuffer       = mVertexArray11->getState().getElementArrayBuffer();
+
+    TranslatedIndexData indexInfo;
+    ANGLE_TRY(mIndexDataManager.prepareIndexData(context, indexType, destElementType, indexCount,
+                                                 elementArrayBuffer, indices, &indexInfo));
+
+    ID3D11Buffer *buffer     = nullptr;
+    DXGI_FORMAT bufferFormat = (indexInfo.indexType == gl::DrawElementsType::UnsignedInt)
+                                   ? DXGI_FORMAT_R32_UINT
+                                   : DXGI_FORMAT_R16_UINT;
+
+    if (indexInfo.storage)
+    {
+        Buffer11 *storage = GetAs<Buffer11>(indexInfo.storage);
+        ANGLE_TRY(storage->getBuffer(context, BUFFER_USAGE_INDEX, &buffer));
+    }
+    else
+    {
+        IndexBuffer11 *indexBuffer = GetAs<IndexBuffer11>(indexInfo.indexBuffer);
+        buffer                     = indexBuffer->getBuffer().get();
+    }
+
+    // Track dirty indices in the index range cache.
+    indexInfo.srcIndexData.srcIndicesChanged =
+        syncIndexBuffer(buffer, bufferFormat, indexInfo.startOffset);
+
+    mIndexBufferIsDirty = false;
+
+    mVertexArray11->updateCachedIndexInfo(indexInfo);
+    return angle::Result::Continue;
+}
+
+void StateManager11::setIndexBuffer(ID3D11Buffer *buffer,
+                                    DXGI_FORMAT indexFormat,
+                                    unsigned int offset)
+{
+    if (syncIndexBuffer(buffer, indexFormat, offset))
+    {
+        invalidateIndexBuffer();
+    }
+}
+
+bool StateManager11::syncIndexBuffer(ID3D11Buffer *buffer,
+                                     DXGI_FORMAT indexFormat,
+                                     unsigned int offset)
+{
+    if (buffer != mAppliedIB || indexFormat != mAppliedIBFormat || offset != mAppliedIBOffset)
+    {
+        mRenderer->getDeviceContext()->IASetIndexBuffer(buffer, indexFormat, offset);
+
+        mAppliedIB       = buffer;
+        mAppliedIBFormat = indexFormat;
+        mAppliedIBOffset = offset;
+        return true;
+    }
+
+    return false;
+}
+
+// Vertex buffer is invalidated outside this function.
+angle::Result StateManager11::updateVertexOffsetsForPointSpritesEmulation(
+    const gl::Context *context,
+    GLint startVertex,
+    GLsizei emulatedInstanceId)
+{
+    size_t reservedBuffers = GetReservedBufferCount(true);
+    for (size_t attribIndex = 0; attribIndex < mCurrentAttributes.size(); ++attribIndex)
+    {
+        const auto &attrib = *mCurrentAttributes[attribIndex];
+        size_t bufferIndex = reservedBuffers + attribIndex;
+
+        if (attrib.divisor > 0)
+        {
+            unsigned int offset = 0;
+            ANGLE_TRY(attrib.computeOffset(context, startVertex, &offset));
+            offset += (attrib.stride * (emulatedInstanceId / attrib.divisor));
+            if (offset != mCurrentVertexOffsets[bufferIndex])
+            {
+                invalidateInputLayout();
+                mDirtyVertexBufferRange.extend(static_cast<unsigned int>(bufferIndex));
+                mCurrentVertexOffsets[bufferIndex] = offset;
+            }
+        }
+    }
+
+    applyVertexBufferChanges();
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::generateSwizzle(const gl::Context *context, gl::Texture *texture)
+{
+    if (!texture)
+    {
+        return angle::Result::Continue;
+    }
+
+    TextureD3D *textureD3D = GetImplAs<TextureD3D>(texture);
+    ASSERT(textureD3D);
+
+    TextureStorage *texStorage = nullptr;
+    ANGLE_TRY(textureD3D->getNativeTexture(context, &texStorage));
+
+    if (texStorage)
+    {
+        TextureStorage11 *storage11          = GetAs<TextureStorage11>(texStorage);
+        const gl::TextureState &textureState = texture->getTextureState();
+        ANGLE_TRY(storage11->generateSwizzles(context, textureState));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::generateSwizzlesForShader(const gl::Context *context,
+                                                        gl::ShaderType type)
+{
+    const gl::State &glState       = context->getState();
+    const gl::RangeUI samplerRange = mProgramD3D->getUsedSamplerRange(type);
+
+    for (unsigned int i = samplerRange.low(); i < samplerRange.high(); i++)
+    {
+        gl::TextureType textureType = mProgramD3D->getSamplerTextureType(type, i);
+        GLint textureUnit           = mProgramD3D->getSamplerMapping(type, i, context->getCaps());
+        if (textureUnit != -1)
+        {
+            gl::Texture *texture = glState.getSamplerTexture(textureUnit, textureType);
+            ASSERT(texture);
+            if (SwizzleRequired(texture->getTextureState()))
+            {
+                ANGLE_TRY(generateSwizzle(context, texture));
+            }
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::generateSwizzles(const gl::Context *context)
+{
+    ANGLE_TRY(generateSwizzlesForShader(context, gl::ShaderType::Vertex));
+    ANGLE_TRY(generateSwizzlesForShader(context, gl::ShaderType::Fragment));
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::applyUniformsForShader(const gl::Context *context,
+                                                     gl::ShaderType shaderType)
+{
+    UniformStorage11 *shaderUniformStorage =
+        GetAs<UniformStorage11>(mProgramD3D->getShaderUniformStorage(shaderType));
+    ASSERT(shaderUniformStorage);
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    const d3d11::Buffer *shaderConstantBuffer = nullptr;
+    ANGLE_TRY(shaderUniformStorage->getConstantBuffer(context, mRenderer, &shaderConstantBuffer));
+
+    if (shaderUniformStorage->size() > 0 && mProgramD3D->areShaderUniformsDirty(shaderType))
+    {
+        UpdateUniformBuffer(deviceContext, shaderUniformStorage, shaderConstantBuffer);
+    }
+
+    unsigned int slot = d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DEFAULT_UNIFORM_BLOCK;
+
+    switch (shaderType)
+    {
+        case gl::ShaderType::Vertex:
+            if (mCurrentConstantBufferVS[slot] != shaderConstantBuffer->getSerial())
+            {
+                deviceContext->VSSetConstantBuffers(slot, 1, shaderConstantBuffer->getPointer());
+                mCurrentConstantBufferVS[slot]       = shaderConstantBuffer->getSerial();
+                mCurrentConstantBufferVSOffset[slot] = 0;
+                mCurrentConstantBufferVSSize[slot]   = 0;
+            }
+            break;
+
+        case gl::ShaderType::Fragment:
+            if (mCurrentConstantBufferPS[slot] != shaderConstantBuffer->getSerial())
+            {
+                deviceContext->PSSetConstantBuffers(slot, 1, shaderConstantBuffer->getPointer());
+                mCurrentConstantBufferPS[slot]       = shaderConstantBuffer->getSerial();
+                mCurrentConstantBufferPSOffset[slot] = 0;
+                mCurrentConstantBufferPSSize[slot]   = 0;
+            }
+            break;
+
+        // TODO(jiawei.shao@intel.com): apply geometry shader uniforms
+        case gl::ShaderType::Geometry:
+            UNIMPLEMENTED();
+            break;
+
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::applyUniforms(const gl::Context *context)
+{
+    ANGLE_TRY(applyUniformsForShader(context, gl::ShaderType::Vertex));
+    ANGLE_TRY(applyUniformsForShader(context, gl::ShaderType::Fragment));
+    if (mProgramD3D->hasShaderStage(gl::ShaderType::Geometry))
+    {
+        ANGLE_TRY(applyUniformsForShader(context, gl::ShaderType::Geometry));
+    }
+
+    mProgramD3D->markUniformsClean();
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::applyDriverUniformsForShader(const gl::Context *context,
+                                                           gl::ShaderType shaderType)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    d3d11::Buffer &shaderDriverConstantBuffer = mShaderDriverConstantBuffers[shaderType];
+    if (!shaderDriverConstantBuffer.valid())
+    {
+        size_t requiredSize = mShaderConstants.getRequiredBufferSize(shaderType);
+
+        D3D11_BUFFER_DESC constantBufferDescription = {};
+        d3d11::InitConstantBufferDesc(&constantBufferDescription, requiredSize);
+        ANGLE_TRY(mRenderer->allocateResource(
+            GetImplAs<Context11>(context), constantBufferDescription, &shaderDriverConstantBuffer));
+
+        ID3D11Buffer *driverConstants = shaderDriverConstantBuffer.get();
+        switch (shaderType)
+        {
+            case gl::ShaderType::Vertex:
+                deviceContext->VSSetConstantBuffers(d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DRIVER, 1,
+                                                    &driverConstants);
+                break;
+
+            case gl::ShaderType::Fragment:
+                deviceContext->PSSetConstantBuffers(d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DRIVER, 1,
+                                                    &driverConstants);
+                break;
+
+            case gl::ShaderType::Geometry:
+                deviceContext->GSSetConstantBuffers(d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DRIVER, 1,
+                                                    &driverConstants);
+                break;
+
+            default:
+                UNREACHABLE();
+                return angle::Result::Continue;
+        }
+    }
+
+    // Sampler metadata and driver constants need to coexist in the same constant buffer to
+    // conserve constant buffer slots. We update both in the constant buffer if needed.
+    ANGLE_TRY(mShaderConstants.updateBuffer(context, mRenderer, shaderType, *mProgramD3D,
+                                            shaderDriverConstantBuffer));
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::applyDriverUniforms(const gl::Context *context)
+{
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    ANGLE_TRY(applyDriverUniformsForShader(context, gl::ShaderType::Vertex));
+    ANGLE_TRY(applyDriverUniformsForShader(context, gl::ShaderType::Fragment));
+    if (mProgramD3D->hasShaderStage(gl::ShaderType::Geometry))
+    {
+        ANGLE_TRY(applyDriverUniformsForShader(context, gl::ShaderType::Geometry));
+    }
+
+    // needed for the point sprite geometry shader
+    // GSSetConstantBuffers triggers device removal on 9_3, so we should only call it for ES3.
+    if (mRenderer->isES3Capable())
+    {
+        d3d11::Buffer &driverConstantBufferPS =
+            mShaderDriverConstantBuffers[gl::ShaderType::Fragment];
+        if (mCurrentGeometryConstantBuffer != driverConstantBufferPS.getSerial())
+        {
+            ASSERT(driverConstantBufferPS.valid());
+            deviceContext->GSSetConstantBuffers(0, 1, driverConstantBufferPS.getPointer());
+            mCurrentGeometryConstantBuffer = driverConstantBufferPS.getSerial();
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::applyComputeUniforms(const gl::Context *context,
+                                                   ProgramD3D *programD3D)
+{
+    UniformStorage11 *computeUniformStorage =
+        GetAs<UniformStorage11>(programD3D->getShaderUniformStorage(gl::ShaderType::Compute));
+    ASSERT(computeUniformStorage);
+
+    const d3d11::Buffer *constantBuffer = nullptr;
+    ANGLE_TRY(computeUniformStorage->getConstantBuffer(context, mRenderer, &constantBuffer));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    if (computeUniformStorage->size() > 0 &&
+        programD3D->areShaderUniformsDirty(gl::ShaderType::Compute))
+    {
+        UpdateUniformBuffer(deviceContext, computeUniformStorage, constantBuffer);
+        programD3D->markUniformsClean();
+    }
+
+    if (mCurrentComputeConstantBuffer != constantBuffer->getSerial())
+    {
+        deviceContext->CSSetConstantBuffers(
+            d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DEFAULT_UNIFORM_BLOCK, 1,
+            constantBuffer->getPointer());
+        mCurrentComputeConstantBuffer = constantBuffer->getSerial();
+    }
+
+    if (!mShaderDriverConstantBuffers[gl::ShaderType::Compute].valid())
+    {
+        size_t requiredSize = mShaderConstants.getRequiredBufferSize(gl::ShaderType::Compute);
+
+        D3D11_BUFFER_DESC constantBufferDescription = {};
+        d3d11::InitConstantBufferDesc(&constantBufferDescription, requiredSize);
+        ANGLE_TRY(
+            mRenderer->allocateResource(GetImplAs<Context11>(context), constantBufferDescription,
+                                        &mShaderDriverConstantBuffers[gl::ShaderType::Compute]));
+        ID3D11Buffer *buffer = mShaderDriverConstantBuffers[gl::ShaderType::Compute].get();
+        deviceContext->CSSetConstantBuffers(d3d11::RESERVED_CONSTANT_BUFFER_SLOT_DRIVER, 1,
+                                            &buffer);
+    }
+
+    ANGLE_TRY(mShaderConstants.updateBuffer(context, mRenderer, gl::ShaderType::Compute,
+                                            *programD3D,
+                                            mShaderDriverConstantBuffers[gl::ShaderType::Compute]));
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncUniformBuffersForShader(const gl::Context *context,
+                                                          gl::ShaderType shaderType)
+{
+    const auto &glState                  = context->getState();
+    ID3D11DeviceContext *deviceContext   = mRenderer->getDeviceContext();
+    ID3D11DeviceContext1 *deviceContext1 = mRenderer->getDeviceContext1IfSupported();
+
+    const auto &shaderUniformBuffers = mProgramD3D->getShaderUniformBufferCache(shaderType);
+
+    for (size_t bufferIndex = 0; bufferIndex < shaderUniformBuffers.size(); ++bufferIndex)
+    {
+        const D3DUBOCache cache = shaderUniformBuffers[bufferIndex];
+        if (cache.binding == -1)
+        {
+            continue;
+        }
+
+        const auto &uniformBuffer          = glState.getIndexedUniformBuffer(cache.binding);
+        const GLintptr uniformBufferOffset = uniformBuffer.getOffset();
+        const GLsizeiptr uniformBufferSize = uniformBuffer.getSize();
+
+        if (uniformBuffer.get() == nullptr)
+        {
+            continue;
+        }
+
+        Buffer11 *bufferStorage             = GetImplAs<Buffer11>(uniformBuffer.get());
+        const d3d11::Buffer *constantBuffer = nullptr;
+        UINT firstConstant                  = 0;
+        UINT numConstants                   = 0;
+
+        ANGLE_TRY(bufferStorage->getConstantBufferRange(context, uniformBufferOffset,
+                                                        uniformBufferSize, &constantBuffer,
+                                                        &firstConstant, &numConstants));
+        ASSERT(constantBuffer);
+
+        switch (shaderType)
+        {
+            case gl::ShaderType::Vertex:
+            {
+                if (mCurrentConstantBufferVS[cache.registerIndex] == constantBuffer->getSerial() &&
+                    mCurrentConstantBufferVSOffset[cache.registerIndex] == uniformBufferOffset &&
+                    mCurrentConstantBufferVSSize[cache.registerIndex] == uniformBufferSize)
+                {
+                    continue;
+                }
+
+                if (firstConstant != 0 && uniformBufferSize != 0)
+                {
+                    ASSERT(numConstants != 0);
+                    deviceContext1->VSSetConstantBuffers1(cache.registerIndex, 1,
+                                                          constantBuffer->getPointer(),
+                                                          &firstConstant, &numConstants);
+                }
+                else
+                {
+                    deviceContext->VSSetConstantBuffers(cache.registerIndex, 1,
+                                                        constantBuffer->getPointer());
+                }
+
+                mCurrentConstantBufferVS[cache.registerIndex]       = constantBuffer->getSerial();
+                mCurrentConstantBufferVSOffset[cache.registerIndex] = uniformBufferOffset;
+                mCurrentConstantBufferVSSize[cache.registerIndex]   = uniformBufferSize;
+                break;
+            }
+
+            case gl::ShaderType::Fragment:
+            {
+                if (mCurrentConstantBufferPS[cache.registerIndex] == constantBuffer->getSerial() &&
+                    mCurrentConstantBufferPSOffset[cache.registerIndex] == uniformBufferOffset &&
+                    mCurrentConstantBufferPSSize[cache.registerIndex] == uniformBufferSize)
+                {
+                    continue;
+                }
+
+                if (firstConstant != 0 && uniformBufferSize != 0)
+                {
+                    deviceContext1->PSSetConstantBuffers1(cache.registerIndex, 1,
+                                                          constantBuffer->getPointer(),
+                                                          &firstConstant, &numConstants);
+                }
+                else
+                {
+                    deviceContext->PSSetConstantBuffers(cache.registerIndex, 1,
+                                                        constantBuffer->getPointer());
+                }
+
+                mCurrentConstantBufferPS[cache.registerIndex]       = constantBuffer->getSerial();
+                mCurrentConstantBufferPSOffset[cache.registerIndex] = uniformBufferOffset;
+                mCurrentConstantBufferPSSize[cache.registerIndex]   = uniformBufferSize;
+                break;
+            }
+
+            case gl::ShaderType::Compute:
+            {
+                if (mCurrentConstantBufferCS[bufferIndex] == constantBuffer->getSerial() &&
+                    mCurrentConstantBufferCSOffset[bufferIndex] == uniformBufferOffset &&
+                    mCurrentConstantBufferCSSize[bufferIndex] == uniformBufferSize)
+                {
+                    continue;
+                }
+
+                if (firstConstant != 0 && uniformBufferSize != 0)
+                {
+                    deviceContext1->CSSetConstantBuffers1(cache.registerIndex, 1,
+                                                          constantBuffer->getPointer(),
+                                                          &firstConstant, &numConstants);
+                }
+                else
+                {
+                    deviceContext->CSSetConstantBuffers(cache.registerIndex, 1,
+                                                        constantBuffer->getPointer());
+                }
+
+                mCurrentConstantBufferCS[cache.registerIndex]       = constantBuffer->getSerial();
+                mCurrentConstantBufferCSOffset[cache.registerIndex] = uniformBufferOffset;
+                mCurrentConstantBufferCSSize[cache.registerIndex]   = uniformBufferSize;
+                break;
+            }
+
+            // TODO(jiawei.shao@intel.com): update geometry shader uniform buffers.
+            case gl::ShaderType::Geometry:
+                UNIMPLEMENTED();
+                break;
+
+            default:
+                UNREACHABLE();
+        }
+    }
+
+    const auto &shaderUniformBuffersUseSB =
+        mProgramD3D->getShaderUniformBufferCacheUseSB(shaderType);
+    for (size_t bufferIndex = 0; bufferIndex < shaderUniformBuffersUseSB.size(); ++bufferIndex)
+    {
+        const D3DUBOCacheUseSB cache = shaderUniformBuffersUseSB[bufferIndex];
+        if (cache.binding == -1)
+        {
+            continue;
+        }
+
+        const auto &uniformBuffer = glState.getIndexedUniformBuffer(cache.binding);
+        if (uniformBuffer.get() == nullptr)
+        {
+            continue;
+        }
+        const GLintptr uniformBufferOffset = uniformBuffer.getOffset();
+
+        Buffer11 *bufferStorage                    = GetImplAs<Buffer11>(uniformBuffer.get());
+        const d3d11::ShaderResourceView *bufferSRV = nullptr;
+        ANGLE_TRY(bufferStorage->getStructuredBufferRangeSRV(
+            context, static_cast<unsigned int>(uniformBufferOffset), cache.byteWidth,
+            cache.structureByteStride, &bufferSRV));
+
+        ASSERT(bufferSRV->valid());
+        setShaderResourceInternal(shaderType, cache.registerIndex, bufferSRV);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::getUAVsForShaderStorageBuffers(const gl::Context *context,
+                                                             gl::ShaderType shaderType,
+                                                             UAVList *uavList)
+{
+    const gl::State &glState   = context->getState();
+    const gl::Program *program = glState.getProgram();
+    angle::FixedVector<Buffer11 *, gl::IMPLEMENTATION_MAX_SHADER_STORAGE_BUFFER_BINDINGS>
+        previouslyBound;
+    for (size_t blockIndex = 0; blockIndex < program->getActiveShaderStorageBlockCount();
+         blockIndex++)
+    {
+        GLuint binding = program->getShaderStorageBlockBinding(static_cast<GLuint>(blockIndex));
+        const unsigned int registerIndex = mProgramD3D->getShaderStorageBufferRegisterIndex(
+            static_cast<GLuint>(blockIndex), shaderType);
+        // It means this block is active but not statically used.
+        if (registerIndex == GL_INVALID_INDEX)
+        {
+            continue;
+        }
+        const auto &shaderStorageBuffer = glState.getIndexedShaderStorageBuffer(binding);
+        if (shaderStorageBuffer.get() == nullptr)
+        {
+            // We didn't see a driver error like atomic buffer did. But theoretically, the same
+            // thing should be done.
+            setUnorderedAccessViewInternal<d3d11::UnorderedAccessView>(registerIndex, nullptr,
+                                                                       uavList);
+            continue;
+        }
+
+        Buffer11 *bufferStorage = GetImplAs<Buffer11>(shaderStorageBuffer.get());
+        if (std::find(previouslyBound.begin(), previouslyBound.end(), bufferStorage) !=
+            previouslyBound.end())
+        {
+            // D3D11 doesn't support binding a buffer multiple times
+            // http://anglebug.com/3032
+            ERR() << "Writing to multiple blocks on the same buffer is not allowed.";
+            return angle::Result::Stop;
+        }
+        previouslyBound.push_back(bufferStorage);
+
+        d3d11::UnorderedAccessView *uavPtr = nullptr;
+        GLsizeiptr viewSize                = 0;
+        // Bindings only have a valid size if bound using glBindBufferRange
+        if (shaderStorageBuffer.getSize() > 0)
+        {
+            viewSize = shaderStorageBuffer.getSize();
+        }
+        // We use the buffer size for glBindBufferBase
+        else
+        {
+            viewSize = bufferStorage->getSize();
+        }
+        ANGLE_TRY(bufferStorage->getRawUAVRange(context, shaderStorageBuffer.getOffset(), viewSize,
+                                                &uavPtr));
+
+        setUnorderedAccessViewInternal(registerIndex, uavPtr, uavList);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncUniformBuffers(const gl::Context *context)
+{
+    mProgramD3D->updateUniformBufferCache(context->getCaps());
+
+    if (mProgramD3D->hasShaderStage(gl::ShaderType::Compute))
+    {
+        ANGLE_TRY(syncUniformBuffersForShader(context, gl::ShaderType::Compute));
+    }
+    else
+    {
+        ANGLE_TRY(syncUniformBuffersForShader(context, gl::ShaderType::Vertex));
+        ANGLE_TRY(syncUniformBuffersForShader(context, gl::ShaderType::Fragment));
+        if (mProgramD3D->hasShaderStage(gl::ShaderType::Geometry))
+        {
+            ANGLE_TRY(syncUniformBuffersForShader(context, gl::ShaderType::Geometry));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::getUAVsForAtomicCounterBuffers(const gl::Context *context,
+                                                             gl::ShaderType shaderType,
+                                                             UAVList *uavList)
+{
+    const gl::State &glState   = context->getState();
+    const gl::Program *program = glState.getProgram();
+    for (const auto &atomicCounterBuffer : program->getState().getAtomicCounterBuffers())
+    {
+        GLuint binding     = atomicCounterBuffer.binding;
+        const auto &buffer = glState.getIndexedAtomicCounterBuffer(binding);
+        const unsigned int registerIndex =
+            mProgramD3D->getAtomicCounterBufferRegisterIndex(binding, shaderType);
+        ASSERT(registerIndex != GL_INVALID_INDEX);
+        if (buffer.get() == nullptr)
+        {
+            // The atomic counter is used in shader. However, there is no buffer binding to it. We
+            // should clear the corresponding UAV in case the previous view type is a texture not a
+            // buffer. Otherwise, below error will be reported. The Unordered Access View dimension
+            // declared in the shader code (BUFFER) does not match the view type bound to slot 0
+            // of the Compute Shader unit (TEXTURE2D).
+            setUnorderedAccessViewInternal<d3d11::UnorderedAccessView>(registerIndex, nullptr,
+                                                                       uavList);
+            continue;
+        }
+
+        Buffer11 *bufferStorage = GetImplAs<Buffer11>(buffer.get());
+        // TODO(enrico.galli@intel.com): Check to make sure that we aren't binding the same buffer
+        // multiple times, as this is unsupported by D3D11. http://anglebug.com/3141
+
+        // Bindings only have a valid size if bound using glBindBufferRange. Therefore, we use the
+        // buffer size for glBindBufferBase
+        GLsizeiptr viewSize = (buffer.getSize() > 0) ? buffer.getSize() : bufferStorage->getSize();
+        d3d11::UnorderedAccessView *uavPtr = nullptr;
+        ANGLE_TRY(bufferStorage->getRawUAVRange(context, buffer.getOffset(), viewSize, &uavPtr));
+
+        setUnorderedAccessViewInternal(registerIndex, uavPtr, uavList);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::getUAVsForShader(const gl::Context *context,
+                                               gl::ShaderType shaderType,
+                                               UAVList *uavList)
+{
+    ANGLE_TRY(getUAVsForShaderStorageBuffers(context, shaderType, uavList));
+    ANGLE_TRY(getUAVsForRWImages(context, shaderType, uavList));
+    ANGLE_TRY(getUAVsForAtomicCounterBuffers(context, shaderType, uavList));
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncUAVsForGraphics(const gl::Context *context)
+{
+    UAVList uavList(mRenderer->getNativeCaps().maxImageUnits);
+
+    ANGLE_TRY(getUAVsForShader(context, gl::ShaderType::Fragment, &uavList));
+    ANGLE_TRY(getUAVsForShader(context, gl::ShaderType::Vertex, &uavList));
+
+    if (uavList.highestUsed >= 0)
+    {
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        UINT baseUAVRegister = static_cast<UINT>(mProgramD3D->getPixelShaderKey().size());
+        deviceContext->OMSetRenderTargetsAndUnorderedAccessViews(
+            D3D11_KEEP_RENDER_TARGETS_AND_DEPTH_STENCIL, nullptr, nullptr, baseUAVRegister,
+            uavList.highestUsed + 1, uavList.data.data(), nullptr);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncUAVsForCompute(const gl::Context *context)
+{
+    UAVList uavList(mRenderer->getNativeCaps().maxImageUnits);
+
+    ANGLE_TRY(getUAVsForShader(context, gl::ShaderType::Compute, &uavList));
+
+    if (uavList.highestUsed >= 0)
+    {
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        deviceContext->CSSetUnorderedAccessViews(0, uavList.highestUsed + 1, uavList.data.data(),
+                                                 nullptr);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result StateManager11::syncTransformFeedbackBuffers(const gl::Context *context)
+{
+    const auto &glState = context->getState();
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    // If transform feedback is not active, unbind all buffers
+    if (!glState.isTransformFeedbackActiveUnpaused())
+    {
+        if (mAppliedTFSerial != mEmptySerial)
+        {
+            deviceContext->SOSetTargets(0, nullptr, nullptr);
+            mAppliedTFSerial = mEmptySerial;
+        }
+        return angle::Result::Continue;
+    }
+
+    gl::TransformFeedback *transformFeedback = glState.getCurrentTransformFeedback();
+    TransformFeedback11 *tf11                = GetImplAs<TransformFeedback11>(transformFeedback);
+    if (mAppliedTFSerial == tf11->getSerial() && !tf11->isDirty())
+    {
+        return angle::Result::Continue;
+    }
+
+    const std::vector<ID3D11Buffer *> *soBuffers = nullptr;
+    ANGLE_TRY(tf11->getSOBuffers(context, &soBuffers));
+    const std::vector<UINT> &soOffsets = tf11->getSOBufferOffsets();
+
+    deviceContext->SOSetTargets(tf11->getNumSOBuffers(), soBuffers->data(), soOffsets.data());
+
+    mAppliedTFSerial = tf11->getSerial();
+    tf11->onApply();
+
+    return angle::Result::Continue;
+}
+
+void StateManager11::syncPrimitiveTopology(const gl::State &glState,
+                                           gl::PrimitiveMode currentDrawMode)
+{
+    D3D11_PRIMITIVE_TOPOLOGY primitiveTopology = D3D11_PRIMITIVE_TOPOLOGY_UNDEFINED;
+    // Don't cull everything by default, this also resets if we were previously culling
+    mCullEverything = false;
+
+    switch (currentDrawMode)
+    {
+        case gl::PrimitiveMode::Points:
+        {
+            bool usesPointSize = mProgramD3D->usesPointSize();
+
+            // ProgramBinary assumes non-point rendering if gl_PointSize isn't written,
+            // which affects varying interpolation. Since the value of gl_PointSize is
+            // undefined when not written, just skip drawing to avoid unexpected results.
+            if (!usesPointSize && !glState.isTransformFeedbackActiveUnpaused())
+            {
+                // Notify developers of risking undefined behavior.
+                WARN() << "Point rendering without writing to gl_PointSize.";
+                mCullEverything = true;
+                return;
+            }
+
+            // If instanced pointsprites are enabled and the shader uses gl_PointSize, the topology
+            // must be D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST.
+            if (usesPointSize && mRenderer->getFeatures().useInstancedPointSpriteEmulation.enabled)
+            {
+                primitiveTopology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
+            }
+            else
+            {
+                primitiveTopology = D3D11_PRIMITIVE_TOPOLOGY_POINTLIST;
+            }
+            break;
+        }
+        case gl::PrimitiveMode::Lines:
+            primitiveTopology = D3D_PRIMITIVE_TOPOLOGY_LINELIST;
+            break;
+        case gl::PrimitiveMode::LineLoop:
+            primitiveTopology = D3D_PRIMITIVE_TOPOLOGY_LINESTRIP;
+            break;
+        case gl::PrimitiveMode::LineStrip:
+            primitiveTopology = D3D_PRIMITIVE_TOPOLOGY_LINESTRIP;
+            break;
+        case gl::PrimitiveMode::Triangles:
+            primitiveTopology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
+            mCullEverything   = CullsEverything(glState);
+            break;
+        case gl::PrimitiveMode::TriangleStrip:
+            primitiveTopology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP;
+            mCullEverything   = CullsEverything(glState);
+            break;
+        // emulate fans via rewriting index buffer
+        case gl::PrimitiveMode::TriangleFan:
+            primitiveTopology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
+            mCullEverything   = CullsEverything(glState);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    setPrimitiveTopologyInternal(primitiveTopology);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StateManager11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StateManager11.h
new file mode 100644
index 0000000000..d8438a48dc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StateManager11.h
@@ -0,0 +1,692 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// StateManager11.h: Defines a class for caching D3D11 state
+
+#ifndef LIBANGLE_RENDERER_D3D11_STATEMANAGER11_H_
+#define LIBANGLE_RENDERER_D3D11_STATEMANAGER11_H_
+
+#include <array>
+
+#include "libANGLE/State.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/InputLayoutCache.h"
+#include "libANGLE/renderer/d3d/d3d11/Query11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+class Buffer11;
+class DisplayD3D;
+class Framebuffer11;
+struct RenderTargetDesc;
+struct Renderer11DeviceCaps;
+class VertexArray11;
+
+class ShaderConstants11 : angle::NonCopyable
+{
+  public:
+    ShaderConstants11();
+    ~ShaderConstants11();
+
+    void init(const gl::Caps &caps);
+    size_t getRequiredBufferSize(gl::ShaderType shaderType) const;
+    void markDirty();
+
+    void setComputeWorkGroups(GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ);
+    void setMultiviewWriteToViewportIndex(GLfloat index);
+    void onViewportChange(const gl::Rectangle &glViewport,
+                          const D3D11_VIEWPORT &dxViewport,
+                          const gl::Offset &glFragCoordOffset,
+                          bool is9_3,
+                          bool presentPathFast);
+    bool onFirstVertexChange(GLint firstVertex);
+    void onImageLayerChange(gl::ShaderType shaderType, unsigned int imageIndex, int layer);
+    void onSamplerChange(gl::ShaderType shaderType,
+                         unsigned int samplerIndex,
+                         const gl::Texture &texture,
+                         const gl::SamplerState &samplerState);
+    bool onImageChange(gl::ShaderType shaderType,
+                       unsigned int imageIndex,
+                       const gl::ImageUnit &imageUnit);
+    void onClipControlChange(bool lowerLeft, bool zeroToOne);
+
+    angle::Result updateBuffer(const gl::Context *context,
+                               Renderer11 *renderer,
+                               gl::ShaderType shaderType,
+                               const ProgramD3D &programD3D,
+                               const d3d11::Buffer &driverConstantBuffer);
+
+  private:
+    struct Vertex
+    {
+        Vertex()
+            : depthRange{.0f},
+              viewAdjust{.0f},
+              viewCoords{.0f},
+              viewScale{.0f},
+              multiviewWriteToViewportIndex{.0f},
+              clipControlOrigin{-1.0f},
+              clipControlZeroToOne{.0f},
+              firstVertex{0},
+              padding{.0f, .0f}
+        {}
+
+        float depthRange[4];
+        float viewAdjust[4];
+        float viewCoords[4];
+        float viewScale[2];
+        // multiviewWriteToViewportIndex is used to select either the side-by-side or layered
+        // code-path in the GS. It's value, if set, is either 0.0f or 1.0f. The value is updated
+        // whenever a multi-view draw framebuffer is made active.
+        float multiviewWriteToViewportIndex;
+
+        // EXT_clip_control
+        // Multiplied with Y coordinate: -1.0 for GL_LOWER_LEFT_EXT, 1.0f for GL_UPPER_LEFT_EXT
+        float clipControlOrigin;
+        // 0.0 for GL_NEGATIVE_ONE_TO_ONE_EXT, 1.0 for GL_ZERO_TO_ONE_EXT
+        float clipControlZeroToOne;
+
+        uint32_t firstVertex;
+
+        // Added here to manually pad the struct to 16 byte boundary
+        float padding[2];
+    };
+    static_assert(sizeof(Vertex) % 16u == 0,
+                  "D3D11 constant buffers must be multiples of 16 bytes");
+
+    struct Pixel
+    {
+        Pixel()
+            : depthRange{.0f},
+              viewCoords{.0f},
+              depthFront{.0f},
+              fragCoordOffset{.0f},
+              viewScale{.0f},
+              multiviewWriteToViewportIndex{.0f},
+              padding{.0f}
+        {}
+
+        float depthRange[4];
+        float viewCoords[4];
+        float depthFront[4];
+        float fragCoordOffset[2];
+        float viewScale[2];
+        // multiviewWriteToViewportIndex is used to select either the side-by-side or layered
+        // code-path in the GS. It's value, if set, is either 0.0f or 1.0f. The value is updated
+        // whenever a multi-view draw framebuffer is made active.
+        float multiviewWriteToViewportIndex;
+
+        // Added here to manually pad the struct.
+        float padding[3];
+    };
+    static_assert(sizeof(Pixel) % 16u == 0, "D3D11 constant buffers must be multiples of 16 bytes");
+
+    struct Compute
+    {
+        Compute() : numWorkGroups{0u}, padding(0u) {}
+        unsigned int numWorkGroups[3];
+        unsigned int padding;  // This just pads the struct to 16 bytes
+    };
+
+    struct SamplerMetadata
+    {
+        SamplerMetadata()
+            : baseLevel(0), internalFormatBits(0), wrapModes(0), padding(0), intBorderColor{0}
+        {}
+
+        int baseLevel;
+        int internalFormatBits;
+        int wrapModes;
+        int padding;  // This just pads the struct to 32 bytes
+        int intBorderColor[4];
+    };
+
+    static_assert(sizeof(SamplerMetadata) == 32u,
+                  "Sampler metadata struct must be two 4-vec --> 32 bytes.");
+
+    struct ImageMetadata
+    {
+        ImageMetadata() : layer(0), level(0), padding{0} {}
+
+        int layer;
+        unsigned int level;
+        int padding[2];  // This just pads the struct to 16 bytes
+    };
+    static_assert(sizeof(ImageMetadata) == 16u,
+                  "Image metadata struct must be one 4-vec --> 16 bytes.");
+
+    static size_t GetShaderConstantsStructSize(gl::ShaderType shaderType);
+
+    // Return true if dirty.
+    bool updateSamplerMetadata(SamplerMetadata *data,
+                               const gl::Texture &texture,
+                               const gl::SamplerState &samplerState);
+
+    // Return true if dirty.
+    bool updateImageMetadata(ImageMetadata *data, const gl::ImageUnit &imageUnit);
+
+    Vertex mVertex;
+    Pixel mPixel;
+    Compute mCompute;
+    gl::ShaderBitSet mShaderConstantsDirty;
+
+    gl::ShaderMap<std::vector<SamplerMetadata>> mShaderSamplerMetadata;
+    gl::ShaderMap<int> mNumActiveShaderSamplers;
+    gl::ShaderMap<std::vector<ImageMetadata>> mShaderReadonlyImageMetadata;
+    gl::ShaderMap<int> mNumActiveShaderReadonlyImages;
+    gl::ShaderMap<std::vector<ImageMetadata>> mShaderImageMetadata;
+    gl::ShaderMap<int> mNumActiveShaderImages;
+};
+
+class StateManager11 final : angle::NonCopyable
+{
+  public:
+    StateManager11(Renderer11 *renderer);
+    ~StateManager11();
+
+    void deinitialize();
+
+    void syncState(const gl::Context *context,
+                   const gl::State::DirtyBits &dirtyBits,
+                   gl::Command command);
+
+    angle::Result updateStateForCompute(const gl::Context *context,
+                                        GLuint numGroupsX,
+                                        GLuint numGroupsY,
+                                        GLuint numGroupsZ);
+
+    void updateStencilSizeIfChanged(bool depthStencilInitialized, unsigned int stencilSize);
+
+    // These invalidations methods are called externally.
+
+    // Called from TextureStorage11.
+    void invalidateBoundViews();
+
+    // Called from VertexArray11::updateVertexAttribStorage.
+    void invalidateCurrentValueAttrib(size_t attribIndex);
+
+    // Checks are done on a framebuffer state change to trigger other state changes.
+    // The Context is allowed to be nullptr for these methods, when called in EGL init code.
+    void invalidateRenderTarget();
+
+    // Called by instanced point sprite emulation.
+    void invalidateVertexBuffer();
+
+    // Called by Framebuffer11::syncState for the default sized viewport.
+    void invalidateViewport(const gl::Context *context);
+
+    // Called by TextureStorage11::markLevelDirty.
+    void invalidateSwizzles();
+
+    // Called by the Framebuffer11 and VertexArray11.
+    void invalidateShaders();
+
+    // Called by the Program on Uniform Buffer change. Also called internally.
+    void invalidateProgramUniformBuffers();
+
+    // Called by TransformFeedback11.
+    void invalidateTransformFeedback();
+
+    // Called by VertexArray11.
+    void invalidateInputLayout();
+
+    // Called by VertexArray11 element array buffer sync.
+    void invalidateIndexBuffer();
+
+    // Called by TextureStorage11. Also called internally.
+    void invalidateTexturesAndSamplers();
+
+    void setRenderTarget(ID3D11RenderTargetView *rtv, ID3D11DepthStencilView *dsv);
+    void setRenderTargets(ID3D11RenderTargetView **rtvs, UINT numRtvs, ID3D11DepthStencilView *dsv);
+
+    void onBeginQuery(Query11 *query);
+    void onDeleteQueryObject(Query11 *query);
+    angle::Result onMakeCurrent(const gl::Context *context);
+
+    void setInputLayout(const d3d11::InputLayout *inputLayout);
+
+    void setSingleVertexBuffer(const d3d11::Buffer *buffer, UINT stride, UINT offset);
+
+    angle::Result updateState(const gl::Context *context,
+                              gl::PrimitiveMode mode,
+                              GLint firstVertex,
+                              GLsizei vertexOrIndexCount,
+                              gl::DrawElementsType indexTypeOrInvalid,
+                              const void *indices,
+                              GLsizei instanceCount,
+                              GLint baseVertex,
+                              GLuint baseInstance,
+                              bool promoteDynamic);
+
+    void setShaderResourceShared(gl::ShaderType shaderType,
+                                 UINT resourceSlot,
+                                 const d3d11::SharedSRV *srv);
+    void setShaderResource(gl::ShaderType shaderType,
+                           UINT resourceSlot,
+                           const d3d11::ShaderResourceView *srv);
+    void setPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY primitiveTopology);
+
+    void setDrawShaders(const d3d11::VertexShader *vertexShader,
+                        const d3d11::GeometryShader *geometryShader,
+                        const d3d11::PixelShader *pixelShader);
+    void setVertexShader(const d3d11::VertexShader *shader);
+    void setGeometryShader(const d3d11::GeometryShader *shader);
+    void setPixelShader(const d3d11::PixelShader *shader);
+    void setComputeShader(const d3d11::ComputeShader *shader);
+    void setVertexConstantBuffer(unsigned int slot, const d3d11::Buffer *buffer);
+    void setPixelConstantBuffer(unsigned int slot, const d3d11::Buffer *buffer);
+    void setDepthStencilState(const d3d11::DepthStencilState *depthStencilState, UINT stencilRef);
+    void setSimpleBlendState(const d3d11::BlendState *blendState);
+    void setRasterizerState(const d3d11::RasterizerState *rasterizerState);
+    void setSimpleViewport(const gl::Extents &viewportExtents);
+    void setSimpleViewport(int width, int height);
+    void setSimplePixelTextureAndSampler(const d3d11::SharedSRV &srv,
+                                         const d3d11::SamplerState &samplerState);
+    void setSimpleScissorRect(const gl::Rectangle &glRect);
+    void setScissorRectD3D(const D3D11_RECT &d3dRect);
+
+    void setIndexBuffer(ID3D11Buffer *buffer, DXGI_FORMAT indexFormat, unsigned int offset);
+
+    angle::Result updateVertexOffsetsForPointSpritesEmulation(const gl::Context *context,
+                                                              GLint startVertex,
+                                                              GLsizei emulatedInstanceId);
+
+    // TODO(jmadill): Should be private.
+    angle::Result applyComputeUniforms(const gl::Context *context, ProgramD3D *programD3D);
+
+    // Only used in testing.
+    InputLayoutCache *getInputLayoutCache() { return &mInputLayoutCache; }
+
+    bool getCullEverything() const { return mCullEverything; }
+    VertexDataManager *getVertexDataManager() { return &mVertexDataManager; }
+
+    ProgramD3D *getProgramD3D() const { return mProgramD3D; }
+
+  private:
+    angle::Result ensureInitialized(const gl::Context *context);
+
+    template <typename SRVType>
+    void setShaderResourceInternal(gl::ShaderType shaderType,
+                                   UINT resourceSlot,
+                                   const SRVType *srv);
+
+    struct UAVList
+    {
+        UAVList(size_t size) : data(size) {}
+        std::vector<ID3D11UnorderedAccessView *> data;
+        int highestUsed = -1;
+    };
+
+    template <typename UAVType>
+    void setUnorderedAccessViewInternal(UINT resourceSlot, const UAVType *uav, UAVList *uavList);
+
+    void unsetConflictingView(gl::PipelineType pipeline, ID3D11View *view, bool isRenderTarget);
+    void unsetConflictingSRVs(gl::PipelineType pipeline,
+                              gl::ShaderType shaderType,
+                              uintptr_t resource,
+                              const gl::ImageIndex *index,
+                              bool isRenderTarget);
+    void unsetConflictingUAVs(gl::PipelineType pipeline,
+                              gl::ShaderType shaderType,
+                              uintptr_t resource,
+                              const gl::ImageIndex *index);
+    void unsetConflictingRTVs(uintptr_t resource);
+
+    void unsetConflictingAttachmentResources(const gl::FramebufferAttachment &attachment,
+                                             ID3D11Resource *resource);
+
+    angle::Result syncBlendState(const gl::Context *context,
+                                 const gl::BlendStateExt &blendStateExt,
+                                 const gl::ColorF &blendColor,
+                                 unsigned int sampleMask,
+                                 bool sampleAlphaToCoverage,
+                                 bool emulateConstantAlpha);
+
+    angle::Result syncDepthStencilState(const gl::Context *context);
+
+    angle::Result syncRasterizerState(const gl::Context *context, gl::PrimitiveMode mode);
+
+    void syncScissorRectangle(const gl::Context *context);
+
+    void syncViewport(const gl::Context *context);
+
+    void checkPresentPath(const gl::Context *context);
+
+    angle::Result syncFramebuffer(const gl::Context *context);
+    angle::Result syncProgram(const gl::Context *context, gl::PrimitiveMode drawMode);
+    angle::Result syncProgramForCompute(const gl::Context *context);
+
+    angle::Result syncTextures(const gl::Context *context);
+    angle::Result applyTexturesForSRVs(const gl::Context *context, gl::ShaderType shaderType);
+    angle::Result applyTexturesForUAVs(const gl::Context *context, gl::ShaderType shaderType);
+    angle::Result syncTexturesForCompute(const gl::Context *context);
+
+    angle::Result setSamplerState(const gl::Context *context,
+                                  gl::ShaderType type,
+                                  int index,
+                                  gl::Texture *texture,
+                                  const gl::SamplerState &sampler);
+    angle::Result setTextureForSampler(const gl::Context *context,
+                                       gl::ShaderType type,
+                                       int index,
+                                       gl::Texture *texture,
+                                       const gl::SamplerState &sampler);
+    angle::Result setImageState(const gl::Context *context,
+                                gl::ShaderType type,
+                                int index,
+                                const gl::ImageUnit &imageUnit);
+    angle::Result setTextureForImage(const gl::Context *context,
+                                     gl::ShaderType type,
+                                     int index,
+                                     const gl::ImageUnit &imageUnit);
+    angle::Result getUAVsForRWImages(const gl::Context *context,
+                                     gl::ShaderType shaderType,
+                                     UAVList *uavList);
+    angle::Result getUAVForRWImage(const gl::Context *context,
+                                   gl::ShaderType type,
+                                   int index,
+                                   const gl::ImageUnit &imageUnit,
+                                   UAVList *uavList);
+
+    void handleMultiviewDrawFramebufferChange(const gl::Context *context);
+
+    angle::Result syncCurrentValueAttribs(
+        const gl::Context *context,
+        const std::vector<gl::VertexAttribCurrentValueData> &currentValues);
+
+    angle::Result generateSwizzle(const gl::Context *context, gl::Texture *texture);
+    angle::Result generateSwizzlesForShader(const gl::Context *context, gl::ShaderType type);
+    angle::Result generateSwizzles(const gl::Context *context);
+
+    angle::Result applyDriverUniforms(const gl::Context *context);
+    angle::Result applyDriverUniformsForShader(const gl::Context *context,
+                                               gl::ShaderType shaderType);
+    angle::Result applyUniforms(const gl::Context *context);
+    angle::Result applyUniformsForShader(const gl::Context *context, gl::ShaderType shaderType);
+
+    angle::Result getUAVsForShaderStorageBuffers(const gl::Context *context,
+                                                 gl::ShaderType shaderType,
+                                                 UAVList *uavList);
+
+    angle::Result syncUniformBuffers(const gl::Context *context);
+    angle::Result syncUniformBuffersForShader(const gl::Context *context,
+                                              gl::ShaderType shaderType);
+    angle::Result getUAVsForAtomicCounterBuffers(const gl::Context *context,
+                                                 gl::ShaderType shaderType,
+                                                 UAVList *uavList);
+    angle::Result getUAVsForShader(const gl::Context *context,
+                                   gl::ShaderType shaderType,
+                                   UAVList *uavList);
+    angle::Result syncUAVsForGraphics(const gl::Context *context);
+    angle::Result syncUAVsForCompute(const gl::Context *context);
+    angle::Result syncTransformFeedbackBuffers(const gl::Context *context);
+
+    // These are currently only called internally.
+    void invalidateDriverUniforms();
+    void invalidateProgramUniforms();
+    void invalidateConstantBuffer(unsigned int slot);
+    void invalidateProgramAtomicCounterBuffers();
+    void invalidateProgramShaderStorageBuffers();
+    void invalidateImageBindings();
+
+    // Called by the Framebuffer11 directly.
+    void processFramebufferInvalidation(const gl::Context *context);
+
+    bool syncIndexBuffer(ID3D11Buffer *buffer, DXGI_FORMAT indexFormat, unsigned int offset);
+    angle::Result syncVertexBuffersAndInputLayout(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  GLint firstVertex,
+                                                  GLsizei vertexOrIndexCount,
+                                                  gl::DrawElementsType indexTypeOrInvalid,
+                                                  GLsizei instanceCount);
+
+    bool setInputLayoutInternal(const d3d11::InputLayout *inputLayout);
+
+    angle::Result applyVertexBuffers(const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     gl::DrawElementsType indexTypeOrInvalid,
+                                     GLint firstVertex);
+    // TODO(jmadill): Migrate to d3d11::Buffer.
+    bool queueVertexBufferChange(size_t bufferIndex,
+                                 ID3D11Buffer *buffer,
+                                 UINT stride,
+                                 UINT offset);
+    void applyVertexBufferChanges();
+    bool setPrimitiveTopologyInternal(D3D11_PRIMITIVE_TOPOLOGY primitiveTopology);
+    void syncPrimitiveTopology(const gl::State &glState, gl::PrimitiveMode currentDrawMode);
+
+    // Not handled by an internal dirty bit because it isn't synced on drawArrays calls.
+    angle::Result applyIndexBuffer(const gl::Context *context,
+                                   GLsizei indexCount,
+                                   gl::DrawElementsType indexType,
+                                   const void *indices);
+
+    enum DirtyBitType
+    {
+        DIRTY_BIT_RENDER_TARGET,
+        DIRTY_BIT_VIEWPORT_STATE,
+        DIRTY_BIT_SCISSOR_STATE,
+        DIRTY_BIT_RASTERIZER_STATE,
+        DIRTY_BIT_BLEND_STATE,
+        DIRTY_BIT_DEPTH_STENCIL_STATE,
+        // DIRTY_BIT_SHADERS and DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE should be dealt before
+        // DIRTY_BIT_PROGRAM_UNIFORM_BUFFERS for update image layers.
+        DIRTY_BIT_SHADERS,
+        // DIRTY_BIT_GRAPHICS_SRV_STATE and DIRTY_BIT_COMPUTE_SRV_STATE should be lower
+        // bits than DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE.
+        DIRTY_BIT_GRAPHICS_SRV_STATE,
+        DIRTY_BIT_GRAPHICS_UAV_STATE,
+        DIRTY_BIT_COMPUTE_SRV_STATE,
+        DIRTY_BIT_COMPUTE_UAV_STATE,
+        DIRTY_BIT_TEXTURE_AND_SAMPLER_STATE,
+        DIRTY_BIT_PROGRAM_UNIFORMS,
+        DIRTY_BIT_DRIVER_UNIFORMS,
+        DIRTY_BIT_PROGRAM_UNIFORM_BUFFERS,
+        DIRTY_BIT_CURRENT_VALUE_ATTRIBS,
+        DIRTY_BIT_TRANSFORM_FEEDBACK,
+        DIRTY_BIT_VERTEX_BUFFERS_AND_INPUT_LAYOUT,
+        DIRTY_BIT_PRIMITIVE_TOPOLOGY,
+        DIRTY_BIT_INVALID,
+        DIRTY_BIT_MAX = DIRTY_BIT_INVALID,
+    };
+
+    using DirtyBits = angle::BitSet<DIRTY_BIT_MAX>;
+
+    Renderer11 *mRenderer;
+
+    // Internal dirty bits.
+    DirtyBits mInternalDirtyBits;
+    DirtyBits mGraphicsDirtyBitsMask;
+    DirtyBits mComputeDirtyBitsMask;
+
+    bool mCurSampleAlphaToCoverage;
+
+    // Blend State
+    gl::BlendStateExt mCurBlendStateExt;
+    gl::ColorF mCurBlendColor;
+    unsigned int mCurSampleMask;
+
+    // Currently applied depth stencil state
+    gl::DepthStencilState mCurDepthStencilState;
+    int mCurStencilRef;
+    int mCurStencilBackRef;
+    unsigned int mCurStencilSize;
+    Optional<bool> mCurDisableDepth;
+    Optional<bool> mCurDisableStencil;
+
+    // Currently applied rasterizer state
+    gl::RasterizerState mCurRasterState;
+
+    // Currently applied scissor rectangle state
+    bool mCurScissorEnabled;
+    gl::Rectangle mCurScissorRect;
+
+    // Currently applied viewport state
+    gl::Rectangle mCurViewport;
+    float mCurNear;
+    float mCurFar;
+
+    // Currently applied offset to viewport and scissor
+    gl::Offset mCurViewportOffset;
+    gl::Offset mCurScissorOffset;
+
+    // Things needed in viewport state
+    ShaderConstants11 mShaderConstants;
+
+    // Render target variables
+    gl::Extents mViewportBounds;
+    bool mRenderTargetIsDirty;
+
+    // EGL_ANGLE_experimental_present_path variables
+    bool mCurPresentPathFastEnabled;
+    int mCurPresentPathFastColorBufferHeight;
+
+    // Queries that are currently active in this state
+    std::set<Query11 *> mCurrentQueries;
+
+    // Currently applied textures
+    template <typename DescType>
+    struct ViewRecord
+    {
+        uintptr_t view;
+        uintptr_t resource;
+        DescType desc;
+    };
+
+    // A cache of current Views that also tracks the highest 'used' (non-NULL) View.
+    // We might want to investigate a more robust approach that is also fast when there's
+    // a large gap between used Views (e.g. if View 0 and 7 are non-NULL, this approach will
+    // waste time on Views 1-6.)
+    template <typename ViewType, typename DescType>
+    class ViewCache : angle::NonCopyable
+    {
+      public:
+        ViewCache();
+        ~ViewCache();
+
+        void initialize(size_t size) { mCurrentViews.resize(size); }
+
+        size_t size() const { return mCurrentViews.size(); }
+        size_t highestUsed() const { return mHighestUsedView; }
+
+        const ViewRecord<DescType> &operator[](size_t index) const { return mCurrentViews[index]; }
+        void clear();
+        void update(size_t resourceIndex, ViewType *view);
+
+      private:
+        std::vector<ViewRecord<DescType>> mCurrentViews;
+        size_t mHighestUsedView;
+    };
+
+    using SRVCache = ViewCache<ID3D11ShaderResourceView, D3D11_SHADER_RESOURCE_VIEW_DESC>;
+    using UAVCache = ViewCache<ID3D11UnorderedAccessView, D3D11_UNORDERED_ACCESS_VIEW_DESC>;
+    using RTVCache = ViewCache<ID3D11RenderTargetView, D3D11_RENDER_TARGET_VIEW_DESC>;
+    gl::ShaderMap<SRVCache> mCurShaderSRVs;
+    UAVCache mCurComputeUAVs;
+    RTVCache mCurRTVs;
+
+    SRVCache *getSRVCache(gl::ShaderType shaderType);
+
+    // A block of NULL pointers, cached so we don't re-allocate every draw call
+    std::vector<ID3D11ShaderResourceView *> mNullSRVs;
+    std::vector<ID3D11UnorderedAccessView *> mNullUAVs;
+
+    // Current translations of "Current-Value" data - owned by Context, not VertexArray.
+    gl::AttributesMask mDirtyCurrentValueAttribs;
+    std::vector<TranslatedAttribute> mCurrentValueAttribs;
+
+    // Current applied input layout.
+    ResourceSerial mCurrentInputLayout;
+
+    // Current applied vertex states.
+    // TODO(jmadill): Figure out how to use ResourceSerial here.
+    gl::AttribArray<ID3D11Buffer *> mCurrentVertexBuffers;
+    gl::AttribArray<UINT> mCurrentVertexStrides;
+    gl::AttribArray<UINT> mCurrentVertexOffsets;
+    gl::RangeUI mDirtyVertexBufferRange;
+
+    // Currently applied primitive topology
+    D3D11_PRIMITIVE_TOPOLOGY mCurrentPrimitiveTopology;
+    gl::PrimitiveMode mLastAppliedDrawMode;
+    bool mCullEverything;
+
+    // Currently applied shaders
+    gl::ShaderMap<ResourceSerial> mAppliedShaders;
+
+    // Currently applied sampler states
+    gl::ShaderMap<std::vector<bool>> mForceSetShaderSamplerStates;
+    gl::ShaderMap<std::vector<gl::SamplerState>> mCurShaderSamplerStates;
+
+    // Special dirty bit for swizzles. Since they use internal shaders, must be done in a pre-pass.
+    bool mDirtySwizzles;
+
+    // Currently applied index buffer
+    ID3D11Buffer *mAppliedIB;
+    DXGI_FORMAT mAppliedIBFormat;
+    unsigned int mAppliedIBOffset;
+    bool mIndexBufferIsDirty;
+
+    // Vertex, index and input layouts
+    VertexDataManager mVertexDataManager;
+    IndexDataManager mIndexDataManager;
+    InputLayoutCache mInputLayoutCache;
+    std::vector<const TranslatedAttribute *> mCurrentAttributes;
+    Optional<GLint> mLastFirstVertex;
+
+    // ANGLE_multiview.
+    bool mIsMultiviewEnabled;
+
+    bool mIndependentBlendStates;
+
+    // Driver Constants.
+    gl::ShaderMap<d3d11::Buffer> mShaderDriverConstantBuffers;
+
+    ResourceSerial mCurrentComputeConstantBuffer;
+    ResourceSerial mCurrentGeometryConstantBuffer;
+
+    d3d11::Buffer mPointSpriteVertexBuffer;
+    d3d11::Buffer mPointSpriteIndexBuffer;
+
+    template <typename T>
+    using VertexConstantBufferArray =
+        std::array<T, gl::IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS>;
+
+    VertexConstantBufferArray<ResourceSerial> mCurrentConstantBufferVS;
+    VertexConstantBufferArray<GLintptr> mCurrentConstantBufferVSOffset;
+    VertexConstantBufferArray<GLsizeiptr> mCurrentConstantBufferVSSize;
+
+    template <typename T>
+    using FragmentConstantBufferArray =
+        std::array<T, gl::IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS>;
+
+    FragmentConstantBufferArray<ResourceSerial> mCurrentConstantBufferPS;
+    FragmentConstantBufferArray<GLintptr> mCurrentConstantBufferPSOffset;
+    FragmentConstantBufferArray<GLsizeiptr> mCurrentConstantBufferPSSize;
+
+    template <typename T>
+    using ComputeConstantBufferArray =
+        std::array<T, gl::IMPLEMENTATION_MAX_COMPUTE_SHADER_UNIFORM_BUFFERS>;
+
+    ComputeConstantBufferArray<ResourceSerial> mCurrentConstantBufferCS;
+    ComputeConstantBufferArray<GLintptr> mCurrentConstantBufferCSOffset;
+    ComputeConstantBufferArray<GLsizeiptr> mCurrentConstantBufferCSSize;
+
+    // Currently applied transform feedback buffers
+    Serial mAppliedTFSerial;
+
+    Serial mEmptySerial;
+
+    // These objects are cached to avoid having to query the impls.
+    ProgramD3D *mProgramD3D;
+    VertexArray11 *mVertexArray11;
+    Framebuffer11 *mFramebuffer11;
+};
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_D3D11_STATEMANAGER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.cpp
new file mode 100644
index 0000000000..e77eba71da
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.cpp
@@ -0,0 +1,166 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// StreamProducerD3DTexture.cpp: Implements the stream producer for D3D11 textures
+
+#include "libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.h"
+
+#include "common/utilities.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include <array>
+
+namespace rx
+{
+
+namespace
+{
+
+egl::Error GetGLDescFromTex(ID3D11Texture2D *const tex,
+                            const UINT planeIndex,
+                            egl::Stream::GLTextureDescription *const out)
+{
+    if (!tex)
+        return egl::EglBadParameter() << "Texture is null";
+
+    D3D11_TEXTURE2D_DESC desc;
+    tex->GetDesc(&desc);
+
+    if (desc.Width < 1 || desc.Height < 1)
+        return egl::EglBadParameter() << "Width or height < 1";
+
+    out->width     = desc.Width;
+    out->height    = desc.Height;
+    out->mipLevels = 0;
+
+    std::array<uint32_t, 2> planeFormats = {};
+    switch (desc.Format)
+    {
+        case DXGI_FORMAT_NV12:
+            planeFormats = {GL_R8, GL_RG8};
+            break;
+
+        case DXGI_FORMAT_P010:
+        case DXGI_FORMAT_P016:
+            planeFormats = {GL_R16_EXT, GL_RG16_EXT};
+            break;
+
+        case DXGI_FORMAT_R8_UNORM:
+            planeFormats = {GL_R8};
+            break;
+        case DXGI_FORMAT_R8G8_UNORM:
+            planeFormats[0] = GL_RG8;
+            break;
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+            planeFormats[0] = GL_RGBA8;
+            break;
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+            planeFormats[0] = GL_BGRA8_EXT;
+            break;
+
+        case DXGI_FORMAT_R16_UNORM:
+            planeFormats[0] = GL_R16_EXT;
+            break;
+        case DXGI_FORMAT_R16G16_UNORM:
+            planeFormats[0] = GL_RG16_EXT;
+            break;
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+            planeFormats[0] = GL_RGBA16_EXT;
+            break;
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+            planeFormats[0] = GL_RGBA16F;
+            break;
+
+        default:
+            return egl::EglBadParameter() << "Unsupported format";
+    }
+
+    if (planeFormats[1])  // If we have YUV planes, expect 4:2:0.
+    {
+        if ((desc.Width % 2) != 0 || (desc.Height % 2) != 0)
+            return egl::EglBadParameter() << "YUV 4:2:0 textures must have even width and height.";
+    }
+    if (planeIndex > 0)
+    {
+        out->width /= 2;
+        out->height /= 2;
+    }
+
+    out->internalFormat = 0;
+    if (planeIndex < planeFormats.size())
+    {
+        out->internalFormat = planeFormats[planeIndex];
+    }
+    if (!out->internalFormat)
+        return egl::EglBadParameter() << "Plane out of range";
+
+    return egl::NoError();
+}
+
+}  // namespace
+
+StreamProducerD3DTexture::StreamProducerD3DTexture(Renderer11 *renderer)
+    : mRenderer(renderer), mTexture(nullptr), mArraySlice(0), mPlaneOffset(0)
+{}
+
+StreamProducerD3DTexture::~StreamProducerD3DTexture()
+{
+    SafeRelease(mTexture);
+}
+
+egl::Error StreamProducerD3DTexture::validateD3DTexture(const void *pointer,
+                                                        const egl::AttributeMap &attributes) const
+{
+    // We must remove the const qualifier because "GetDevice" and "GetDesc" are non-const in D3D11.
+    ID3D11Texture2D *textureD3D = static_cast<ID3D11Texture2D *>(const_cast<void *>(pointer));
+
+    // Check that the texture originated from our device
+    angle::ComPtr<ID3D11Device> device;
+    textureD3D->GetDevice(&device);
+    if (device.Get() != mRenderer->getDevice())
+    {
+        return egl::EglBadParameter() << "Texture not created on ANGLE D3D device";
+    }
+
+    const auto planeId = static_cast<UINT>(attributes.get(EGL_NATIVE_BUFFER_PLANE_OFFSET_IMG, 0));
+    egl::Stream::GLTextureDescription unused;
+    return GetGLDescFromTex(textureD3D, planeId, &unused);
+}
+
+void StreamProducerD3DTexture::postD3DTexture(void *pointer, const egl::AttributeMap &attributes)
+{
+    ASSERT(pointer != nullptr);
+    ID3D11Texture2D *textureD3D = static_cast<ID3D11Texture2D *>(pointer);
+
+    // Release the previous texture if there is one
+    SafeRelease(mTexture);
+
+    mTexture = textureD3D;
+    mTexture->AddRef();
+    mPlaneOffset = static_cast<UINT>(attributes.get(EGL_NATIVE_BUFFER_PLANE_OFFSET_IMG, 0));
+    mArraySlice  = static_cast<UINT>(attributes.get(EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE, 0));
+}
+
+egl::Stream::GLTextureDescription StreamProducerD3DTexture::getGLFrameDescription(int planeIndex)
+{
+    const auto planeOffsetIndex = static_cast<UINT>(planeIndex + mPlaneOffset);
+    egl::Stream::GLTextureDescription ret;
+    ANGLE_SWALLOW_ERR(GetGLDescFromTex(mTexture, planeOffsetIndex, &ret));
+    return ret;
+}
+
+ID3D11Texture2D *StreamProducerD3DTexture::getD3DTexture()
+{
+    return mTexture;
+}
+
+UINT StreamProducerD3DTexture::getArraySlice()
+{
+    return mArraySlice;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.h
new file mode 100644
index 0000000000..bcb0057fde
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.h
@@ -0,0 +1,44 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// StreamProducerD3DTexture.h: Interface for a D3D11 texture stream producer
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_STREAM11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_STREAM11_H_
+
+#include "libANGLE/renderer/StreamProducerImpl.h"
+
+namespace rx
+{
+class Renderer11;
+
+class StreamProducerD3DTexture : public StreamProducerImpl
+{
+  public:
+    StreamProducerD3DTexture(Renderer11 *renderer);
+    ~StreamProducerD3DTexture() override;
+
+    egl::Error validateD3DTexture(const void *pointer,
+                                  const egl::AttributeMap &attributes) const override;
+    void postD3DTexture(void *pointer, const egl::AttributeMap &attributes) override;
+    egl::Stream::GLTextureDescription getGLFrameDescription(int planeIndex) override;
+
+    // Gets a pointer to the internal D3D texture
+    ID3D11Texture2D *getD3DTexture();
+
+    // Gets the slice index for the D3D texture that the frame is in
+    UINT getArraySlice();
+
+  private:
+    Renderer11 *mRenderer;
+
+    ID3D11Texture2D *mTexture;
+    UINT mArraySlice;
+    UINT mPlaneOffset;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_STREAM11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
new file mode 100644
index 0000000000..8470510ea8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
@@ -0,0 +1,1119 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SwapChain11.cpp: Implements a back-end specific class for the D3D11 swap chain.
+
+#include "libANGLE/renderer/d3d/d3d11/SwapChain11.h"
+
+#include <EGL/eglext.h>
+
+#include "libANGLE/features.h"
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/NativeWindow11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+#include "libANGLE/trace.h"
+
+// Precompiled shaders
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough2d11vs.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dms11ps.h"
+#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvecolor2dps.h"
+
+#ifdef ANGLE_ENABLE_KEYEDMUTEX
+#    define ANGLE_RESOURCE_SHARE_TYPE D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX
+#else
+#    define ANGLE_RESOURCE_SHARE_TYPE D3D11_RESOURCE_MISC_SHARED
+#endif
+
+namespace rx
+{
+
+namespace
+{
+// To avoid overflow in QPC to Microseconds calculations, since we multiply
+// by kMicrosecondsPerSecond, then the QPC value should not exceed
+// (2^63 - 1) / 1E6. If it exceeds that threshold, we divide then multiply.
+static constexpr int64_t kQPCOverflowThreshold  = 0x8637BD05AF7;
+static constexpr int64_t kMicrosecondsPerSecond = 1000000;
+
+bool NeedsOffscreenTexture(Renderer11 *renderer, NativeWindow11 *nativeWindow, EGLint orientation)
+{
+    // We don't need an offscreen texture if either orientation = INVERT_Y,
+    // or present path fast is enabled and we're not rendering onto an offscreen surface.
+    return orientation != EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE &&
+           !(renderer->presentPathFastEnabled() && nativeWindow->getNativeWindow());
+}
+}  // anonymous namespace
+
+SwapChain11::SwapChain11(Renderer11 *renderer,
+                         NativeWindow11 *nativeWindow,
+                         HANDLE shareHandle,
+                         IUnknown *d3dTexture,
+                         GLenum backBufferFormat,
+                         GLenum depthBufferFormat,
+                         EGLint orientation,
+                         EGLint samples)
+    : SwapChainD3D(shareHandle, d3dTexture, backBufferFormat, depthBufferFormat),
+      mRenderer(renderer),
+      mWidth(-1),
+      mHeight(-1),
+      mOrientation(orientation),
+      mAppCreatedShareHandle(mShareHandle != nullptr),
+      mSwapInterval(0),
+      mPassThroughResourcesInit(false),
+      mNativeWindow(nativeWindow),
+      mFirstSwap(true),
+      mSwapChain(nullptr),
+      mSwapChain1(nullptr),
+      mKeyedMutex(nullptr),
+      mBackBufferTexture(),
+      mBackBufferRTView(),
+      mBackBufferSRView(),
+      mNeedsOffscreenTexture(NeedsOffscreenTexture(renderer, nativeWindow, orientation)),
+      mOffscreenTexture(),
+      mOffscreenRTView(),
+      mOffscreenSRView(),
+      mNeedsOffscreenTextureCopy(false),
+      mOffscreenTextureCopyForSRV(),
+      mDepthStencilTexture(),
+      mDepthStencilDSView(),
+      mDepthStencilSRView(),
+      mQuadVB(),
+      mPassThroughSampler(),
+      mPassThroughIL(),
+      mPassThroughVS(),
+      mPassThroughOrResolvePS(),
+      mPassThroughRS(),
+      mColorRenderTarget(this, renderer, false),
+      mDepthStencilRenderTarget(this, renderer, true),
+      mEGLSamples(samples)
+{
+    // Check that if present path fast is active then we're using the default orientation
+    ASSERT(!mRenderer->presentPathFastEnabled() || orientation == 0);
+
+    // Get the performance counter
+    LARGE_INTEGER counterFreqency = {};
+    BOOL success                  = QueryPerformanceFrequency(&counterFreqency);
+    ASSERT(success);
+
+    mQPCFrequency = counterFreqency.QuadPart;
+}
+
+SwapChain11::~SwapChain11()
+{
+    release();
+}
+
+void SwapChain11::release()
+{
+    // TODO(jmadill): Should probably signal that the RenderTarget is dirty.
+
+    SafeRelease(mSwapChain1);
+    SafeRelease(mSwapChain);
+    SafeRelease(mKeyedMutex);
+    mBackBufferTexture.reset();
+    mBackBufferRTView.reset();
+    mBackBufferSRView.reset();
+    mOffscreenTexture.reset();
+    mOffscreenRTView.reset();
+    mOffscreenSRView.reset();
+    mDepthStencilTexture.reset();
+    mDepthStencilDSView.reset();
+    mDepthStencilSRView.reset();
+    mQuadVB.reset();
+    mPassThroughSampler.reset();
+    mPassThroughIL.reset();
+    mPassThroughVS.reset();
+    mPassThroughOrResolvePS.reset();
+    mPassThroughRS.reset();
+
+    if (!mAppCreatedShareHandle)
+    {
+        mShareHandle = nullptr;
+    }
+}
+
+void SwapChain11::releaseOffscreenColorBuffer()
+{
+    mOffscreenTexture.reset();
+    mOffscreenRTView.reset();
+    mOffscreenSRView.reset();
+    mNeedsOffscreenTextureCopy = false;
+    mOffscreenTextureCopyForSRV.reset();
+}
+
+void SwapChain11::releaseOffscreenDepthBuffer()
+{
+    mDepthStencilTexture.reset();
+    mDepthStencilDSView.reset();
+    mDepthStencilSRView.reset();
+}
+
+EGLint SwapChain11::resetOffscreenBuffers(DisplayD3D *displayD3D,
+                                          int backbufferWidth,
+                                          int backbufferHeight)
+{
+    if (mNeedsOffscreenTexture)
+    {
+        EGLint result = resetOffscreenColorBuffer(displayD3D, backbufferWidth, backbufferHeight);
+        if (result != EGL_SUCCESS)
+        {
+            return result;
+        }
+    }
+
+    EGLint result = resetOffscreenDepthBuffer(displayD3D, backbufferWidth, backbufferHeight);
+    if (result != EGL_SUCCESS)
+    {
+        return result;
+    }
+
+    mWidth  = backbufferWidth;
+    mHeight = backbufferHeight;
+
+    return EGL_SUCCESS;
+}
+
+EGLint SwapChain11::resetOffscreenColorBuffer(DisplayD3D *displayD3D,
+                                              int backbufferWidth,
+                                              int backbufferHeight)
+{
+    ASSERT(mNeedsOffscreenTexture);
+
+    ANGLE_TRACE_EVENT0("gpu.angle", "SwapChain11::resetOffscreenTexture");
+    ID3D11Device *device = mRenderer->getDevice();
+
+    ASSERT(device != nullptr);
+
+    // D3D11 does not allow zero size textures
+    ASSERT(backbufferWidth >= 1);
+    ASSERT(backbufferHeight >= 1);
+
+    // Preserve the render target content
+    TextureHelper11 previousOffscreenTexture(std::move(mOffscreenTexture));
+    const int previousWidth  = mWidth;
+    const int previousHeight = mHeight;
+
+    releaseOffscreenColorBuffer();
+
+    const d3d11::Format &backbufferFormatInfo =
+        d3d11::Format::Get(mOffscreenRenderTargetFormat, mRenderer->getRenderer11DeviceCaps());
+    D3D11_TEXTURE2D_DESC offscreenTextureDesc = {};
+
+    // If the app passed in a share handle or D3D texture, open the resource
+    // See EGL_ANGLE_d3d_share_handle_client_buffer and EGL_ANGLE_d3d_texture_client_buffer
+    if (mAppCreatedShareHandle || mD3DTexture != nullptr)
+    {
+        if (mAppCreatedShareHandle)
+        {
+            ID3D11Resource *tempResource11;
+            HRESULT result = device->OpenSharedResource(mShareHandle, __uuidof(ID3D11Resource),
+                                                        (void **)&tempResource11);
+            if (FAILED(result) && mRenderer->getDevice1())
+            {
+                result = mRenderer->getDevice1()->OpenSharedResource1(
+                    mShareHandle, __uuidof(ID3D11Resource), (void **)&tempResource11);
+            }
+
+            if (FAILED(result))
+            {
+                ERR() << "Could not open shared handle. " << gl::FmtHR(result);
+                release();
+                return EGL_BAD_SURFACE;
+            }
+
+            mOffscreenTexture.set(d3d11::DynamicCastComObject<ID3D11Texture2D>(tempResource11),
+                                  backbufferFormatInfo);
+            SafeRelease(tempResource11);
+        }
+        else if (mD3DTexture != nullptr)
+        {
+            mOffscreenTexture.set(d3d11::DynamicCastComObject<ID3D11Texture2D>(mD3DTexture),
+                                  backbufferFormatInfo);
+        }
+        else
+        {
+            UNREACHABLE();
+        }
+        ASSERT(mOffscreenTexture.valid());
+        mOffscreenTexture.getDesc(&offscreenTextureDesc);
+
+        // Fail if the offscreen texture is not renderable.
+        if ((offscreenTextureDesc.BindFlags & D3D11_BIND_RENDER_TARGET) == 0)
+        {
+            ERR() << "Could not use provided offscreen texture, texture not renderable.";
+            release();
+            return EGL_BAD_SURFACE;
+        }
+    }
+    else
+    {
+        const bool useSharedResource =
+            !mNativeWindow->getNativeWindow() && mRenderer->getShareHandleSupport();
+
+        offscreenTextureDesc.Width              = backbufferWidth;
+        offscreenTextureDesc.Height             = backbufferHeight;
+        offscreenTextureDesc.Format             = backbufferFormatInfo.texFormat;
+        offscreenTextureDesc.MipLevels          = 1;
+        offscreenTextureDesc.ArraySize          = 1;
+        offscreenTextureDesc.SampleDesc.Count   = getD3DSamples();
+        offscreenTextureDesc.SampleDesc.Quality = 0;
+        offscreenTextureDesc.Usage              = D3D11_USAGE_DEFAULT;
+        offscreenTextureDesc.BindFlags      = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
+        offscreenTextureDesc.CPUAccessFlags = 0;
+        offscreenTextureDesc.MiscFlags      = useSharedResource ? ANGLE_RESOURCE_SHARE_TYPE : 0;
+
+        angle::Result result = mRenderer->allocateTexture(displayD3D, offscreenTextureDesc,
+                                                          backbufferFormatInfo, &mOffscreenTexture);
+        if (result == angle::Result::Stop)
+        {
+            ERR() << "Could not create offscreen texture, " << displayD3D->getStoredErrorString();
+            release();
+            return EGL_BAD_ALLOC;
+        }
+
+        mOffscreenTexture.setInternalName("OffscreenBackBufferTexture");
+
+        // EGL_ANGLE_surface_d3d_texture_2d_share_handle requires that we store a share handle for
+        // the client
+        if (useSharedResource)
+        {
+            IDXGIResource *offscreenTextureResource = nullptr;
+            HRESULT hr                              = mOffscreenTexture.get()->QueryInterface(
+                                             __uuidof(IDXGIResource), (void **)&offscreenTextureResource);
+
+            // Fall back to no share handle on failure
+            if (FAILED(hr))
+            {
+                ERR() << "Could not query offscreen texture resource, " << gl::FmtHR(hr);
+            }
+            else
+            {
+                hr = offscreenTextureResource->GetSharedHandle(&mShareHandle);
+                SafeRelease(offscreenTextureResource);
+
+                if (FAILED(hr))
+                {
+                    mShareHandle = nullptr;
+                    ERR() << "Could not get offscreen texture shared handle, " << gl::FmtHR(hr);
+                }
+            }
+        }
+    }
+
+    // This may return null if the original texture was created without a keyed mutex.
+    mKeyedMutex = d3d11::DynamicCastComObject<IDXGIKeyedMutex>(mOffscreenTexture.get());
+
+    D3D11_RENDER_TARGET_VIEW_DESC offscreenRTVDesc;
+    offscreenRTVDesc.Format = backbufferFormatInfo.rtvFormat;
+    offscreenRTVDesc.ViewDimension =
+        (mEGLSamples <= 1) ? D3D11_RTV_DIMENSION_TEXTURE2D : D3D11_RTV_DIMENSION_TEXTURE2DMS;
+    offscreenRTVDesc.Texture2D.MipSlice = 0;
+
+    angle::Result result = mRenderer->allocateResource(displayD3D, offscreenRTVDesc,
+                                                       mOffscreenTexture.get(), &mOffscreenRTView);
+    if (result == angle::Result::Stop)
+    {
+        ERR() << "Could not create offscreen back buffer render target, "
+              << displayD3D->getStoredErrorString();
+        release();
+        return EGL_BAD_ALLOC;
+    }
+    mOffscreenRTView.setInternalName("OffscreenBackBufferRenderTarget");
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC offscreenSRVDesc;
+    offscreenSRVDesc.Format = backbufferFormatInfo.srvFormat;
+    offscreenSRVDesc.ViewDimension =
+        (mEGLSamples <= 1) ? D3D11_SRV_DIMENSION_TEXTURE2D : D3D11_SRV_DIMENSION_TEXTURE2DMS;
+    offscreenSRVDesc.Texture2D.MostDetailedMip = 0;
+    offscreenSRVDesc.Texture2D.MipLevels       = static_cast<UINT>(-1);
+
+    if (offscreenTextureDesc.BindFlags & D3D11_BIND_SHADER_RESOURCE)
+    {
+        result = mRenderer->allocateResource(displayD3D, offscreenSRVDesc, mOffscreenTexture.get(),
+                                             &mOffscreenSRView);
+        if (result == angle::Result::Stop)
+        {
+            ERR() << "Could not create offscreen back buffer shader resource, "
+                  << displayD3D->getStoredErrorString();
+            release();
+            return EGL_BAD_ALLOC;
+        }
+        mOffscreenSRView.setInternalName("OffscreenBackBufferShaderResource");
+    }
+    else
+    {
+        // Special case for external textures that cannot support sampling. Since internally we
+        // assume our SwapChain is always readable, we make a copy texture that is compatible.
+        mNeedsOffscreenTextureCopy = true;
+    }
+
+    if (previousOffscreenTexture.valid())
+    {
+        D3D11_BOX sourceBox = {};
+        sourceBox.left      = 0;
+        sourceBox.right     = std::min(previousWidth, backbufferWidth);
+        sourceBox.top       = std::max(previousHeight - backbufferHeight, 0);
+        sourceBox.bottom    = previousHeight;
+        sourceBox.front     = 0;
+        sourceBox.back      = 1;
+
+        ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+        const int yoffset                  = std::max(backbufferHeight - previousHeight, 0);
+        deviceContext->CopySubresourceRegion(mOffscreenTexture.get(), 0, 0, yoffset, 0,
+                                             previousOffscreenTexture.get(), 0, &sourceBox);
+
+        if (mSwapChain)
+        {
+            swapRect(displayD3D, 0, 0, backbufferWidth, backbufferHeight);
+        }
+    }
+
+    return EGL_SUCCESS;
+}
+
+EGLint SwapChain11::resetOffscreenDepthBuffer(DisplayD3D *displayD3D,
+                                              int backbufferWidth,
+                                              int backbufferHeight)
+{
+    releaseOffscreenDepthBuffer();
+
+    if (mDepthBufferFormat != GL_NONE)
+    {
+        const d3d11::Format &depthBufferFormatInfo =
+            d3d11::Format::Get(mDepthBufferFormat, mRenderer->getRenderer11DeviceCaps());
+
+        D3D11_TEXTURE2D_DESC depthStencilTextureDesc;
+        depthStencilTextureDesc.Width            = backbufferWidth;
+        depthStencilTextureDesc.Height           = backbufferHeight;
+        depthStencilTextureDesc.Format           = depthBufferFormatInfo.texFormat;
+        depthStencilTextureDesc.MipLevels        = 1;
+        depthStencilTextureDesc.ArraySize        = 1;
+        depthStencilTextureDesc.SampleDesc.Count = getD3DSamples();
+        depthStencilTextureDesc.Usage            = D3D11_USAGE_DEFAULT;
+        depthStencilTextureDesc.BindFlags        = D3D11_BIND_DEPTH_STENCIL;
+
+        // If there is a multisampled offscreen color texture, the offscreen depth-stencil texture
+        // must also have the same quality value.
+        if (mOffscreenTexture.valid() && getD3DSamples() > 1)
+        {
+            D3D11_TEXTURE2D_DESC offscreenTextureDesc = {};
+            mOffscreenTexture.getDesc(&offscreenTextureDesc);
+            depthStencilTextureDesc.SampleDesc.Quality = offscreenTextureDesc.SampleDesc.Quality;
+        }
+        else
+        {
+            depthStencilTextureDesc.SampleDesc.Quality = 0;
+        }
+
+        // Only create an SRV if it is supported
+        bool depthStencilSRV =
+            depthBufferFormatInfo.srvFormat != DXGI_FORMAT_UNKNOWN &&
+            (mRenderer->getRenderer11DeviceCaps().supportsMultisampledDepthStencilSRVs ||
+             depthStencilTextureDesc.SampleDesc.Count <= 1);
+        if (depthStencilSRV)
+        {
+            depthStencilTextureDesc.BindFlags |= D3D11_BIND_SHADER_RESOURCE;
+        }
+
+        depthStencilTextureDesc.CPUAccessFlags = 0;
+        depthStencilTextureDesc.MiscFlags      = 0;
+
+        angle::Result result = mRenderer->allocateTexture(
+            displayD3D, depthStencilTextureDesc, depthBufferFormatInfo, &mDepthStencilTexture);
+        if (result == angle::Result::Stop)
+        {
+            ERR() << "Could not create depthstencil surface for new swap chain, "
+                  << displayD3D->getStoredErrorString();
+            release();
+            return EGL_BAD_ALLOC;
+        }
+        mDepthStencilTexture.setInternalName("OffscreenDepthStencilTexture");
+
+        D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilDesc;
+        depthStencilDesc.Format = depthBufferFormatInfo.dsvFormat;
+        depthStencilDesc.ViewDimension =
+            (mEGLSamples <= 1) ? D3D11_DSV_DIMENSION_TEXTURE2D : D3D11_DSV_DIMENSION_TEXTURE2DMS;
+        depthStencilDesc.Flags              = 0;
+        depthStencilDesc.Texture2D.MipSlice = 0;
+
+        result = mRenderer->allocateResource(displayD3D, depthStencilDesc,
+                                             mDepthStencilTexture.get(), &mDepthStencilDSView);
+        ASSERT(result != angle::Result::Stop);
+        mDepthStencilDSView.setInternalName("OffscreenDSV");
+
+        if (depthStencilSRV)
+        {
+            D3D11_SHADER_RESOURCE_VIEW_DESC depthStencilSRVDesc;
+            depthStencilSRVDesc.Format                    = depthBufferFormatInfo.srvFormat;
+            depthStencilSRVDesc.ViewDimension             = (mEGLSamples <= 1)
+                                                                ? D3D11_SRV_DIMENSION_TEXTURE2D
+                                                                : D3D11_SRV_DIMENSION_TEXTURE2DMS;
+            depthStencilSRVDesc.Texture2D.MostDetailedMip = 0;
+            depthStencilSRVDesc.Texture2D.MipLevels       = static_cast<UINT>(-1);
+
+            result = mRenderer->allocateResource(displayD3D, depthStencilSRVDesc,
+                                                 mDepthStencilTexture.get(), &mDepthStencilSRView);
+            ASSERT(result != angle::Result::Stop);
+            mDepthStencilSRView.setInternalName("OffscreenDepthStencilSRV");
+        }
+    }
+
+    return EGL_SUCCESS;
+}
+
+EGLint SwapChain11::resize(DisplayD3D *displayD3D, EGLint backbufferWidth, EGLint backbufferHeight)
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "SwapChain11::resize");
+    ID3D11Device *device = mRenderer->getDevice();
+
+    if (device == nullptr)
+    {
+        return EGL_BAD_ACCESS;
+    }
+
+    // EGL allows creating a surface with 0x0 dimension, however, DXGI does not like 0x0 swapchains
+    if (backbufferWidth < 1 || backbufferHeight < 1)
+    {
+        return EGL_SUCCESS;
+    }
+
+    // Don't resize unnecessarily
+    if (mWidth == backbufferWidth && mHeight == backbufferHeight)
+    {
+        return EGL_SUCCESS;
+    }
+
+    // Can only call resize if we have already created our swap buffer and resources
+    ASSERT(mSwapChain && mBackBufferTexture.valid() && mBackBufferRTView.valid() &&
+           mBackBufferSRView.valid());
+
+    mBackBufferTexture.reset();
+    mBackBufferRTView.reset();
+    mBackBufferSRView.reset();
+
+    // Resize swap chain
+    DXGI_SWAP_CHAIN_DESC desc;
+    HRESULT hr = mSwapChain->GetDesc(&desc);
+    if (FAILED(hr))
+    {
+        ERR() << "Error reading swap chain description, " << gl::FmtHR(hr);
+        release();
+        return EGL_BAD_ALLOC;
+    }
+
+    hr = mSwapChain->ResizeBuffers(desc.BufferCount, backbufferWidth, backbufferHeight,
+                                   getSwapChainNativeFormat(), 0);
+
+    if (FAILED(hr))
+    {
+        ERR() << "Error resizing swap chain buffers, " << gl::FmtHR(hr);
+        release();
+
+        if (d3d11::isDeviceLostError(hr))
+        {
+            HRESULT reason = device->GetDeviceRemovedReason();
+            ERR() << "Device lost in SwapChain11::resize " << gl::FmtHR(hr)
+                  << ", reason: " << gl::FmtHR(reason);
+            return EGL_CONTEXT_LOST;
+        }
+        else
+        {
+            return EGL_BAD_ALLOC;
+        }
+    }
+
+    ID3D11Texture2D *backbufferTexture = nullptr;
+    hr                                 = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D),
+                                                               reinterpret_cast<void **>(&backbufferTexture));
+    ASSERT(SUCCEEDED(hr));
+    if (SUCCEEDED(hr))
+    {
+        const auto &format =
+            d3d11::Format::Get(mOffscreenRenderTargetFormat, mRenderer->getRenderer11DeviceCaps());
+        mBackBufferTexture.set(backbufferTexture, format);
+        mBackBufferTexture.setInternalName("BackBufferTexture");
+
+        angle::Result result = mRenderer->allocateResourceNoDesc(
+            displayD3D, mBackBufferTexture.get(), &mBackBufferRTView);
+        ASSERT(result != angle::Result::Stop);
+        mBackBufferRTView.setInternalName("BackBufferRTV");
+
+        result = mRenderer->allocateResourceNoDesc(displayD3D, mBackBufferTexture.get(),
+                                                   &mBackBufferSRView);
+        ASSERT(result != angle::Result::Stop);
+        mBackBufferSRView.setInternalName("BackBufferSRV");
+    }
+
+    mFirstSwap = true;
+
+    return resetOffscreenBuffers(displayD3D, backbufferWidth, backbufferHeight);
+}
+
+DXGI_FORMAT SwapChain11::getSwapChainNativeFormat() const
+{
+    // Return a render target format for offscreen rendering is supported by IDXGISwapChain.
+    // MSDN https://msdn.microsoft.com/en-us/library/windows/desktop/bb173064(v=vs.85).aspx
+    switch (mOffscreenRenderTargetFormat)
+    {
+        case GL_RGBA8:
+        case GL_RGBA4:
+        case GL_RGB5_A1:
+        case GL_RGB8:
+        case GL_RGB565:
+            return DXGI_FORMAT_R8G8B8A8_UNORM;
+
+        case GL_BGRA8_EXT:
+            return DXGI_FORMAT_B8G8R8A8_UNORM;
+
+        case GL_RGB10_A2:
+            return DXGI_FORMAT_R10G10B10A2_UNORM;
+
+        case GL_RGBA16F:
+            return DXGI_FORMAT_R16G16B16A16_FLOAT;
+
+        default:
+            UNREACHABLE();
+            return DXGI_FORMAT_UNKNOWN;
+    }
+}
+
+EGLint SwapChain11::reset(DisplayD3D *displayD3D,
+                          EGLint backbufferWidth,
+                          EGLint backbufferHeight,
+                          EGLint swapInterval)
+{
+    mSwapInterval = static_cast<unsigned int>(swapInterval);
+    if (mSwapInterval > 4)
+    {
+        // IDXGISwapChain::Present documentation states that valid sync intervals are in the [0,4]
+        // range
+        return EGL_BAD_PARAMETER;
+    }
+
+    // If the swap chain already exists, just resize
+    if (mSwapChain != nullptr)
+    {
+        return resize(displayD3D, backbufferWidth, backbufferHeight);
+    }
+
+    ANGLE_TRACE_EVENT0("gpu.angle", "SwapChain11::reset");
+    ID3D11Device *device = mRenderer->getDevice();
+
+    if (device == nullptr)
+    {
+        return EGL_BAD_ACCESS;
+    }
+
+    // Release specific resources to free up memory for the new render target, while the
+    // old render target still exists for the purpose of preserving its contents.
+    SafeRelease(mSwapChain1);
+    SafeRelease(mSwapChain);
+    mBackBufferTexture.reset();
+    mBackBufferRTView.reset();
+
+    // EGL allows creating a surface with 0x0 dimension, however, DXGI does not like 0x0 swapchains
+    if (backbufferWidth < 1 || backbufferHeight < 1)
+    {
+        releaseOffscreenColorBuffer();
+        return EGL_SUCCESS;
+    }
+
+    if (mNativeWindow->getNativeWindow())
+    {
+        HRESULT hr = mNativeWindow->createSwapChain(
+            device, mRenderer->getDxgiFactory(), getSwapChainNativeFormat(), backbufferWidth,
+            backbufferHeight, mNeedsOffscreenTexture ? 1 : getD3DSamples(), &mSwapChain);
+
+        if (FAILED(hr))
+        {
+            ERR() << "Could not create additional swap chains or offscreen surfaces, "
+                  << gl::FmtHR(hr);
+            release();
+
+            if (d3d11::isDeviceLostError(hr))
+            {
+                HRESULT reason = device->GetDeviceRemovedReason();
+                ERR() << "Device lost in SwapChain11::reset " << gl::FmtHR(hr)
+                      << ", reason: " << gl::FmtHR(reason);
+                return EGL_CONTEXT_LOST;
+            }
+            else
+            {
+                return EGL_BAD_ALLOC;
+            }
+        }
+
+        if (mRenderer->getRenderer11DeviceCaps().supportsDXGI1_2)
+        {
+            mSwapChain1 = d3d11::DynamicCastComObject<IDXGISwapChain1>(mSwapChain);
+        }
+
+        ID3D11Texture2D *backbufferTex = nullptr;
+        hr                             = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D),
+                                                               reinterpret_cast<LPVOID *>(&backbufferTex));
+        ASSERT(SUCCEEDED(hr));
+        const auto &format =
+            d3d11::Format::Get(mOffscreenRenderTargetFormat, mRenderer->getRenderer11DeviceCaps());
+        mBackBufferTexture.set(backbufferTex, format);
+        mBackBufferTexture.setInternalName("BackBufferTexture");
+
+        angle::Result result = mRenderer->allocateResourceNoDesc(
+            displayD3D, mBackBufferTexture.get(), &mBackBufferRTView);
+        ASSERT(result != angle::Result::Stop);
+        mBackBufferRTView.setInternalName("BackBufferRTV");
+
+        result = mRenderer->allocateResourceNoDesc(displayD3D, mBackBufferTexture.get(),
+                                                   &mBackBufferSRView);
+        ASSERT(result != angle::Result::Stop);
+        mBackBufferSRView.setInternalName("BackBufferSRV");
+    }
+
+    mFirstSwap = true;
+
+    return resetOffscreenBuffers(displayD3D, backbufferWidth, backbufferHeight);
+}
+
+angle::Result SwapChain11::initPassThroughResources(DisplayD3D *displayD3D)
+{
+    if (mPassThroughResourcesInit)
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRACE_EVENT0("gpu.angle", "SwapChain11::initPassThroughResources");
+    ID3D11Device *device = mRenderer->getDevice();
+
+    ASSERT(device != nullptr);
+
+    // Make sure our resources are all not allocated, when we create
+    ASSERT(!mQuadVB.valid() && !mPassThroughSampler.valid());
+    ASSERT(!mPassThroughIL.valid() && !mPassThroughVS.valid() && !mPassThroughOrResolvePS.valid());
+
+    D3D11_BUFFER_DESC vbDesc;
+    vbDesc.ByteWidth           = sizeof(d3d11::PositionTexCoordVertex) * 4;
+    vbDesc.Usage               = D3D11_USAGE_DYNAMIC;
+    vbDesc.BindFlags           = D3D11_BIND_VERTEX_BUFFER;
+    vbDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+    vbDesc.MiscFlags           = 0;
+    vbDesc.StructureByteStride = 0;
+
+    ANGLE_TRY(mRenderer->allocateResource(displayD3D, vbDesc, &mQuadVB));
+    mQuadVB.setInternalName("SwapChainQuadVB");
+
+    D3D11_SAMPLER_DESC samplerDesc;
+    samplerDesc.Filter         = D3D11_FILTER_MIN_MAG_MIP_POINT;
+    samplerDesc.AddressU       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    samplerDesc.AddressV       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    samplerDesc.AddressW       = D3D11_TEXTURE_ADDRESS_CLAMP;
+    samplerDesc.MipLODBias     = 0.0f;
+    samplerDesc.MaxAnisotropy  = 0;
+    samplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
+    samplerDesc.BorderColor[0] = 0.0f;
+    samplerDesc.BorderColor[1] = 0.0f;
+    samplerDesc.BorderColor[2] = 0.0f;
+    samplerDesc.BorderColor[3] = 0.0f;
+    samplerDesc.MinLOD         = 0;
+    samplerDesc.MaxLOD         = D3D11_FLOAT32_MAX;
+
+    ANGLE_TRY(mRenderer->allocateResource(displayD3D, samplerDesc, &mPassThroughSampler));
+    mPassThroughSampler.setInternalName("SwapChainPassThroughSampler");
+
+    D3D11_INPUT_ELEMENT_DESC quadLayout[] = {
+        {"POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
+        {"TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0},
+    };
+
+    InputElementArray quadElements(quadLayout);
+    ShaderData vertexShaderData(g_VS_Passthrough2D);
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(displayD3D, quadElements, &vertexShaderData, &mPassThroughIL));
+    mPassThroughIL.setInternalName("SwapChainPassThroughIL");
+
+    ANGLE_TRY(mRenderer->allocateResource(displayD3D, vertexShaderData, &mPassThroughVS));
+    mPassThroughVS.setInternalName("SwapChainPassThroughVS");
+
+    if (mEGLSamples <= 1)
+    {
+        ShaderData pixelShaderData(g_PS_PassthroughRGBA2D);
+        ANGLE_TRY(
+            mRenderer->allocateResource(displayD3D, pixelShaderData, &mPassThroughOrResolvePS));
+    }
+    else
+    {
+        if (mNativeWindow->getNativeWindow() && mNeedsOffscreenTexture)
+        {
+            ShaderData pixelShaderData(g_PS_ResolveColor2D);
+            ANGLE_TRY(
+                mRenderer->allocateResource(displayD3D, pixelShaderData, &mPassThroughOrResolvePS));
+        }
+        else
+        {
+            ShaderData pixelShaderData(g_PS_PassthroughRGBA2DMS);
+            ANGLE_TRY(
+                mRenderer->allocateResource(displayD3D, pixelShaderData, &mPassThroughOrResolvePS));
+        }
+    }
+
+    mPassThroughOrResolvePS.setInternalName("SwapChainPassThroughPS");
+
+    // Use the default rasterizer state but without culling
+    D3D11_RASTERIZER_DESC rasterizerDesc;
+    rasterizerDesc.FillMode              = D3D11_FILL_SOLID;
+    rasterizerDesc.CullMode              = D3D11_CULL_NONE;
+    rasterizerDesc.FrontCounterClockwise = FALSE;
+    rasterizerDesc.DepthBias             = 0;
+    rasterizerDesc.SlopeScaledDepthBias  = 0.0f;
+    rasterizerDesc.DepthBiasClamp        = 0.0f;
+    rasterizerDesc.DepthClipEnable       = TRUE;
+    rasterizerDesc.ScissorEnable         = FALSE;
+    rasterizerDesc.MultisampleEnable     = FALSE;
+    rasterizerDesc.AntialiasedLineEnable = FALSE;
+
+    ANGLE_TRY(mRenderer->allocateResource(displayD3D, rasterizerDesc, &mPassThroughRS));
+    mPassThroughRS.setInternalName("SwapChainPassThroughRasterizerState");
+
+    mPassThroughResourcesInit = true;
+    return angle::Result::Continue;
+}
+
+// parameters should be validated/clamped by caller
+EGLint SwapChain11::swapRect(DisplayD3D *displayD3D,
+                             EGLint x,
+                             EGLint y,
+                             EGLint width,
+                             EGLint height)
+{
+    if (mNeedsOffscreenTexture)
+    {
+        EGLint result = copyOffscreenToBackbuffer(displayD3D, x, y, width, height);
+        if (result != EGL_SUCCESS)
+        {
+            return result;
+        }
+    }
+
+    EGLint result = present(displayD3D, x, y, width, height);
+    if (result != EGL_SUCCESS)
+    {
+        return result;
+    }
+
+    mRenderer->onSwap();
+
+    return EGL_SUCCESS;
+}
+
+EGLint SwapChain11::copyOffscreenToBackbuffer(DisplayD3D *displayD3D,
+                                              EGLint x,
+                                              EGLint y,
+                                              EGLint width,
+                                              EGLint height)
+{
+    if (!mSwapChain)
+    {
+        return EGL_SUCCESS;
+    }
+
+    if (initPassThroughResources(displayD3D) == angle::Result::Stop)
+    {
+        return EGL_BAD_ALLOC;
+    }
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    // Set vertices
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    HRESULT result =
+        deviceContext->Map(mQuadVB.get(), 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+    if (FAILED(result))
+    {
+        return EGL_BAD_ACCESS;
+    }
+
+    d3d11::PositionTexCoordVertex *vertices =
+        static_cast<d3d11::PositionTexCoordVertex *>(mappedResource.pData);
+
+    // Create a quad in homogeneous coordinates
+    float x1 = (x / float(mWidth)) * 2.0f - 1.0f;
+    float y1 = (y / float(mHeight)) * 2.0f - 1.0f;
+    float x2 = ((x + width) / float(mWidth)) * 2.0f - 1.0f;
+    float y2 = ((y + height) / float(mHeight)) * 2.0f - 1.0f;
+
+    float u1 = x / float(mWidth);
+    float v1 = y / float(mHeight);
+    float u2 = (x + width) / float(mWidth);
+    float v2 = (y + height) / float(mHeight);
+
+    // Invert the quad vertices depending on the surface orientation.
+    if ((mOrientation & EGL_SURFACE_ORIENTATION_INVERT_X_ANGLE) != 0)
+    {
+        std::swap(x1, x2);
+    }
+    if ((mOrientation & EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE) != 0)
+    {
+        std::swap(y1, y2);
+    }
+
+    d3d11::SetPositionTexCoordVertex(&vertices[0], x1, y1, u1, v1);
+    d3d11::SetPositionTexCoordVertex(&vertices[1], x1, y2, u1, v2);
+    d3d11::SetPositionTexCoordVertex(&vertices[2], x2, y1, u2, v1);
+    d3d11::SetPositionTexCoordVertex(&vertices[3], x2, y2, u2, v2);
+
+    deviceContext->Unmap(mQuadVB.get(), 0);
+
+    StateManager11 *stateManager = mRenderer->getStateManager();
+
+    constexpr UINT stride = sizeof(d3d11::PositionTexCoordVertex);
+    stateManager->setSingleVertexBuffer(&mQuadVB, stride, 0);
+
+    // Apply state
+    stateManager->setDepthStencilState(nullptr, 0xFFFFFFFF);
+    stateManager->setSimpleBlendState(nullptr);
+    stateManager->setRasterizerState(&mPassThroughRS);
+
+    // Apply shaders
+    stateManager->setInputLayout(&mPassThroughIL);
+    stateManager->setPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
+    stateManager->setDrawShaders(&mPassThroughVS, nullptr, &mPassThroughOrResolvePS);
+
+    // Apply render targets. Use the proxy context in display.
+    stateManager->setRenderTarget(mBackBufferRTView.get(), nullptr);
+
+    // Set the viewport
+    stateManager->setSimpleViewport(mWidth, mHeight);
+
+    // Apply textures
+    stateManager->setSimplePixelTextureAndSampler(mOffscreenSRView, mPassThroughSampler);
+
+    // Draw
+    deviceContext->Draw(4, 0);
+
+    return EGL_SUCCESS;
+}
+
+EGLint SwapChain11::present(DisplayD3D *displayD3D, EGLint x, EGLint y, EGLint width, EGLint height)
+{
+    if (!mSwapChain)
+    {
+        return EGL_SUCCESS;
+    }
+
+    UINT swapInterval = mSwapInterval;
+#if ANGLE_VSYNC == ANGLE_DISABLED
+    swapInterval = 0;
+#endif
+
+    HRESULT result = S_OK;
+
+    // Use IDXGISwapChain1::Present1 with a dirty rect if DXGI 1.2 is available.
+    // Dirty rect present is not supported with a multisampled swapchain.
+    if (mSwapChain1 != nullptr && mEGLSamples <= 1)
+    {
+        if (mFirstSwap)
+        {
+            // Can't swap with a dirty rect if this swap chain has never swapped before
+            DXGI_PRESENT_PARAMETERS params = {0, nullptr, nullptr, nullptr};
+            result                         = mSwapChain1->Present1(swapInterval, 0, &params);
+        }
+        else
+        {
+            RECT rect = {static_cast<LONG>(x), static_cast<LONG>(mHeight - y - height),
+                         static_cast<LONG>(x + width), static_cast<LONG>(mHeight - y)};
+            DXGI_PRESENT_PARAMETERS params = {1, &rect, nullptr, nullptr};
+            result                         = mSwapChain1->Present1(swapInterval, 0, &params);
+        }
+    }
+    else
+    {
+        result = mSwapChain->Present(swapInterval, 0);
+    }
+
+    mFirstSwap = false;
+
+    // Some swapping mechanisms such as DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL unbind the current render
+    // target. Mark it dirty. Use the proxy context in display since there is none available.
+    mRenderer->getStateManager()->invalidateRenderTarget();
+
+    if (result == DXGI_ERROR_DEVICE_REMOVED)
+    {
+        ERR() << "Present failed: the D3D11 device was removed, "
+              << gl::FmtHR(mRenderer->getDevice()->GetDeviceRemovedReason());
+        return EGL_CONTEXT_LOST;
+    }
+    else if (result == DXGI_ERROR_DEVICE_RESET)
+    {
+        ERR() << "Present failed: the D3D11 device was reset from a bad command.";
+        return EGL_CONTEXT_LOST;
+    }
+    else if (FAILED(result))
+    {
+        ERR() << "Present failed with " << gl::FmtHR(result);
+    }
+
+    mNativeWindow->commitChange();
+
+    return EGL_SUCCESS;
+}
+
+const TextureHelper11 &SwapChain11::getOffscreenTexture()
+{
+    return mNeedsOffscreenTexture ? mOffscreenTexture : mBackBufferTexture;
+}
+
+const d3d11::RenderTargetView &SwapChain11::getRenderTarget()
+{
+    return mNeedsOffscreenTexture ? mOffscreenRTView : mBackBufferRTView;
+}
+
+angle::Result SwapChain11::getRenderTargetShaderResource(d3d::Context *context,
+                                                         const d3d11::SharedSRV **outSRV)
+{
+    *outSRV = nullptr;
+
+    if (!mNeedsOffscreenTexture)
+    {
+        ASSERT(mBackBufferSRView.valid());
+        *outSRV = &mBackBufferSRView;
+        return angle::Result::Continue;
+    }
+
+    if (!mNeedsOffscreenTextureCopy)
+    {
+        ASSERT(mOffscreenSRView.valid());
+        *outSRV = &mOffscreenSRView;
+        return angle::Result::Continue;
+    }
+
+    if (!mOffscreenTextureCopyForSRV.valid())
+    {
+        const d3d11::Format &backbufferFormatInfo =
+            d3d11::Format::Get(mOffscreenRenderTargetFormat, mRenderer->getRenderer11DeviceCaps());
+
+        D3D11_TEXTURE2D_DESC offscreenCopyDesc;
+        mOffscreenTexture.getDesc(&offscreenCopyDesc);
+
+        offscreenCopyDesc.BindFlags      = D3D11_BIND_SHADER_RESOURCE;
+        offscreenCopyDesc.MiscFlags      = 0;
+        offscreenCopyDesc.CPUAccessFlags = 0;
+        TextureHelper11 offscreenTextureCopyForSRV;
+        ANGLE_TRY(mRenderer->allocateTexture(context, offscreenCopyDesc, backbufferFormatInfo,
+                                             &offscreenTextureCopyForSRV));
+        offscreenTextureCopyForSRV.setInternalName("OffscreenBackBufferCopyForSRV");
+
+        D3D11_SHADER_RESOURCE_VIEW_DESC offscreenSRVDesc;
+        offscreenSRVDesc.Format = backbufferFormatInfo.srvFormat;
+        offscreenSRVDesc.ViewDimension =
+            (mEGLSamples <= 1) ? D3D11_SRV_DIMENSION_TEXTURE2D : D3D11_SRV_DIMENSION_TEXTURE2DMS;
+        offscreenSRVDesc.Texture2D.MostDetailedMip = 0;
+        offscreenSRVDesc.Texture2D.MipLevels       = static_cast<UINT>(-1);
+
+        d3d11::SharedSRV offscreenSRView;
+        ANGLE_TRY(mRenderer->allocateResource(context, offscreenSRVDesc,
+                                              offscreenTextureCopyForSRV.get(), &offscreenSRView));
+        offscreenSRView.setInternalName("OffscreenBackBufferSRV");
+
+        // Commit created objects in one step so we don't end up with half baked member variables.
+        mOffscreenTextureCopyForSRV = std::move(offscreenTextureCopyForSRV);
+        mOffscreenSRView            = std::move(offscreenSRView);
+    }
+
+    // Need to copy the offscreen texture into the shader-readable copy, since it's external and
+    // we don't know if the copy is up-to-date. This works around the problem we have when the app
+    // passes in a texture that isn't shader-readable.
+    mRenderer->getDeviceContext()->CopyResource(mOffscreenTextureCopyForSRV.get(),
+                                                mOffscreenTexture.get());
+    *outSRV = &mOffscreenSRView;
+    return angle::Result::Continue;
+}
+
+const d3d11::DepthStencilView &SwapChain11::getDepthStencil()
+{
+    return mDepthStencilDSView;
+}
+
+const d3d11::SharedSRV &SwapChain11::getDepthStencilShaderResource()
+{
+    return mDepthStencilSRView;
+}
+
+const TextureHelper11 &SwapChain11::getDepthStencilTexture()
+{
+    return mDepthStencilTexture;
+}
+
+void *SwapChain11::getKeyedMutex()
+{
+    return mKeyedMutex;
+}
+
+void SwapChain11::recreate()
+{
+    // possibly should use this method instead of reset
+}
+
+RenderTargetD3D *SwapChain11::getColorRenderTarget()
+{
+    return &mColorRenderTarget;
+}
+
+RenderTargetD3D *SwapChain11::getDepthStencilRenderTarget()
+{
+    return &mDepthStencilRenderTarget;
+}
+
+egl::Error SwapChain11::getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc)
+{
+    if (!mSwapChain)
+    {
+        return egl::EglNotInitialized() << "Swap chain uninitialized";
+    }
+
+    DXGI_FRAME_STATISTICS stats = {};
+    HRESULT result              = mSwapChain->GetFrameStatistics(&stats);
+
+    if (FAILED(result))
+    {
+        return egl::EglBadAlloc() << "Failed to get frame statistics, " << gl::FmtHR(result);
+    }
+
+    // Conversion from DXGI_FRAME_STATISTICS to the output values:
+    // stats.SyncRefreshCount -> msc
+    // stats.PresentCount -> sbc
+    // stats.SyncQPCTime -> ust with conversion to microseconds via QueryPerformanceFrequency
+    *msc = stats.SyncRefreshCount;
+    *sbc = stats.PresentCount;
+
+    LONGLONG syncQPCValue = stats.SyncQPCTime.QuadPart;
+    // If the QPC Value is below the overflow threshold, we proceed with
+    // simple multiply and divide.
+    if (syncQPCValue < kQPCOverflowThreshold)
+    {
+        *ust = syncQPCValue * kMicrosecondsPerSecond / mQPCFrequency;
+    }
+    else
+    {
+        // Otherwise, calculate microseconds in a round about manner to avoid
+        // overflow and precision issues.
+        int64_t wholeSeconds  = syncQPCValue / mQPCFrequency;
+        int64_t leftoverTicks = syncQPCValue - (wholeSeconds * mQPCFrequency);
+        *ust                  = wholeSeconds * kMicrosecondsPerSecond +
+               leftoverTicks * kMicrosecondsPerSecond / mQPCFrequency;
+    }
+
+    return egl::NoError();
+}
+
+UINT SwapChain11::getD3DSamples() const
+{
+    return (mEGLSamples == 0) ? 1 : mEGLSamples;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/SwapChain11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/SwapChain11.h
new file mode 100644
index 0000000000..2d7f0a00ee
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/SwapChain11.h
@@ -0,0 +1,134 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SwapChain11.h: Defines a back-end specific class for the D3D11 swap chain.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_SWAPCHAIN11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_SWAPCHAIN11_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/renderer/d3d/SwapChainD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+
+namespace rx
+{
+class Renderer11;
+class NativeWindow11;
+
+class SwapChain11 final : public SwapChainD3D
+{
+  public:
+    SwapChain11(Renderer11 *renderer,
+                NativeWindow11 *nativeWindow,
+                HANDLE shareHandle,
+                IUnknown *d3dTexture,
+                GLenum backBufferFormat,
+                GLenum depthBufferFormat,
+                EGLint orientation,
+                EGLint samples);
+    ~SwapChain11() override;
+
+    EGLint resize(DisplayD3D *displayD3D, EGLint backbufferWidth, EGLint backbufferHeight) override;
+    EGLint reset(DisplayD3D *displayD3D,
+                 EGLint backbufferWidth,
+                 EGLint backbufferHeight,
+                 EGLint swapInterval) override;
+    EGLint swapRect(DisplayD3D *displayD3D,
+                    EGLint x,
+                    EGLint y,
+                    EGLint width,
+                    EGLint height) override;
+    void recreate() override;
+
+    RenderTargetD3D *getColorRenderTarget() override;
+    RenderTargetD3D *getDepthStencilRenderTarget() override;
+
+    const TextureHelper11 &getOffscreenTexture();
+    const d3d11::RenderTargetView &getRenderTarget();
+    angle::Result getRenderTargetShaderResource(d3d::Context *context,
+                                                const d3d11::SharedSRV **outSRV);
+
+    const TextureHelper11 &getDepthStencilTexture();
+    const d3d11::DepthStencilView &getDepthStencil();
+    const d3d11::SharedSRV &getDepthStencilShaderResource();
+
+    EGLint getWidth() const { return mWidth; }
+    EGLint getHeight() const { return mHeight; }
+    void *getKeyedMutex() override;
+    EGLint getSamples() const { return mEGLSamples; }
+
+    egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) override;
+
+  private:
+    void release();
+    angle::Result initPassThroughResources(DisplayD3D *displayD3D);
+
+    void releaseOffscreenColorBuffer();
+    void releaseOffscreenDepthBuffer();
+    EGLint resetOffscreenBuffers(DisplayD3D *displayD3D, int backbufferWidth, int backbufferHeight);
+    EGLint resetOffscreenColorBuffer(DisplayD3D *displayD3D,
+                                     int backbufferWidth,
+                                     int backbufferHeight);
+    EGLint resetOffscreenDepthBuffer(DisplayD3D *displayD3D,
+                                     int backbufferWidth,
+                                     int backbufferHeight);
+
+    DXGI_FORMAT getSwapChainNativeFormat() const;
+
+    EGLint copyOffscreenToBackbuffer(DisplayD3D *displayD3D,
+                                     EGLint x,
+                                     EGLint y,
+                                     EGLint width,
+                                     EGLint height);
+    EGLint present(DisplayD3D *displayD3D, EGLint x, EGLint y, EGLint width, EGLint height);
+    UINT getD3DSamples() const;
+
+    Renderer11 *mRenderer;
+    EGLint mWidth;
+    EGLint mHeight;
+    const EGLint mOrientation;
+    bool mAppCreatedShareHandle;
+    unsigned int mSwapInterval;
+    bool mPassThroughResourcesInit;
+
+    NativeWindow11 *mNativeWindow;  // Handler for the Window that the surface is created for.
+
+    bool mFirstSwap;
+    IDXGISwapChain *mSwapChain;
+    IDXGISwapChain1 *mSwapChain1;
+    IDXGIKeyedMutex *mKeyedMutex;
+
+    TextureHelper11 mBackBufferTexture;
+    d3d11::RenderTargetView mBackBufferRTView;
+    d3d11::SharedSRV mBackBufferSRView;
+
+    const bool mNeedsOffscreenTexture;
+    TextureHelper11 mOffscreenTexture;
+    d3d11::RenderTargetView mOffscreenRTView;
+    d3d11::SharedSRV mOffscreenSRView;
+    bool mNeedsOffscreenTextureCopy;
+    TextureHelper11 mOffscreenTextureCopyForSRV;
+
+    TextureHelper11 mDepthStencilTexture;
+    d3d11::DepthStencilView mDepthStencilDSView;
+    d3d11::SharedSRV mDepthStencilSRView;
+
+    d3d11::Buffer mQuadVB;
+    d3d11::SamplerState mPassThroughSampler;
+    d3d11::InputLayout mPassThroughIL;
+    d3d11::VertexShader mPassThroughVS;
+    d3d11::PixelShader mPassThroughOrResolvePS;
+    d3d11::RasterizerState mPassThroughRS;
+
+    SurfaceRenderTarget11 mColorRenderTarget;
+    SurfaceRenderTarget11 mDepthStencilRenderTarget;
+
+    EGLint mEGLSamples;
+    LONGLONG mQPCFrequency;
+};
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_SWAPCHAIN11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp
new file mode 100644
index 0000000000..f1277462a9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp
@@ -0,0 +1,4352 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureStorage11.cpp: Implements the abstract rx::TextureStorage11 class and its concrete derived
+// classes TextureStorage11_2D and TextureStorage11_Cube, which act as the interface to the D3D11
+// texture.
+
+#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h"
+
+#include <tuple>
+
+#include "common/MemoryBuffer.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/Blit11.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Image11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/StreamProducerD3DTexture.h"
+#include "libANGLE/renderer/d3d/d3d11/SwapChain11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+namespace rx
+{
+TextureStorage11::SamplerKey::SamplerKey()
+    : baseLevel(0), mipLevels(0), swizzle(false), dropStencil(false)
+{}
+
+TextureStorage11::SamplerKey::SamplerKey(int baseLevel,
+                                         int mipLevels,
+                                         bool swizzle,
+                                         bool dropStencil)
+    : baseLevel(baseLevel), mipLevels(mipLevels), swizzle(swizzle), dropStencil(dropStencil)
+{}
+
+bool TextureStorage11::SamplerKey::operator<(const SamplerKey &rhs) const
+{
+    return std::tie(baseLevel, mipLevels, swizzle, dropStencil) <
+           std::tie(rhs.baseLevel, rhs.mipLevels, rhs.swizzle, rhs.dropStencil);
+}
+
+TextureStorage11::ImageKey::ImageKey()
+    : level(0), layered(false), layer(0), access(GL_READ_ONLY), format(GL_R32UI)
+{}
+
+TextureStorage11::ImageKey::ImageKey(int level,
+                                     bool layered,
+                                     int layer,
+                                     GLenum access,
+                                     GLenum format)
+    : level(level), layered(layered), layer(layer), access(access), format(format)
+{}
+
+bool TextureStorage11::ImageKey::operator<(const ImageKey &rhs) const
+{
+    return std::tie(level, layered, layer, access, format) <
+           std::tie(rhs.level, rhs.layered, rhs.layer, rhs.access, rhs.format);
+}
+
+MultisampledRenderToTextureInfo::MultisampledRenderToTextureInfo(const GLsizei samples,
+                                                                 const gl::ImageIndex &indexSS,
+                                                                 const gl::ImageIndex &indexMS)
+    : samples(samples), indexSS(indexSS), indexMS(indexMS), msTextureNeedsResolve(false)
+{}
+
+MultisampledRenderToTextureInfo::~MultisampledRenderToTextureInfo() {}
+
+TextureStorage11::TextureStorage11(Renderer11 *renderer,
+                                   UINT bindFlags,
+                                   UINT miscFlags,
+                                   GLenum internalFormat,
+                                   const std::string &label)
+    : TextureStorage(label),
+      mRenderer(renderer),
+      mTopLevel(0),
+      mMipLevels(0),
+      mFormatInfo(d3d11::Format::Get(internalFormat, mRenderer->getRenderer11DeviceCaps())),
+      mTextureWidth(0),
+      mTextureHeight(0),
+      mTextureDepth(0),
+      mDropStencilTexture(),
+      mBindFlags(bindFlags),
+      mMiscFlags(miscFlags)
+{}
+
+TextureStorage11::~TextureStorage11()
+{
+    mSrvCacheForSampler.clear();
+}
+
+DWORD TextureStorage11::GetTextureBindFlags(GLenum internalFormat,
+                                            const Renderer11DeviceCaps &renderer11DeviceCaps,
+                                            BindFlags flags)
+{
+    UINT bindFlags = 0;
+
+    const d3d11::Format &formatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
+    if (formatInfo.srvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        bindFlags |= D3D11_BIND_SHADER_RESOURCE;
+    }
+    if (formatInfo.uavFormat != DXGI_FORMAT_UNKNOWN && flags.unorderedAccess)
+    {
+        bindFlags |= D3D11_BIND_UNORDERED_ACCESS;
+    }
+    if (formatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        bindFlags |= D3D11_BIND_DEPTH_STENCIL;
+    }
+    if (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN && flags.renderTarget)
+    {
+        bindFlags |= D3D11_BIND_RENDER_TARGET;
+    }
+
+    return bindFlags;
+}
+
+DWORD TextureStorage11::GetTextureMiscFlags(GLenum internalFormat,
+                                            const Renderer11DeviceCaps &renderer11DeviceCaps,
+                                            BindFlags bindFlags,
+                                            int levels)
+{
+    UINT miscFlags = 0;
+
+    const d3d11::Format &formatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
+    if (bindFlags.renderTarget)
+    {
+        if (d3d11::SupportsMipGen(formatInfo.texFormat, renderer11DeviceCaps.featureLevel))
+        {
+            miscFlags |= D3D11_RESOURCE_MISC_GENERATE_MIPS;
+        }
+    }
+
+    return miscFlags;
+}
+
+UINT TextureStorage11::getBindFlags() const
+{
+    return mBindFlags;
+}
+
+UINT TextureStorage11::getMiscFlags() const
+{
+    return mMiscFlags;
+}
+
+int TextureStorage11::getTopLevel() const
+{
+    // Applying top level is meant to be encapsulated inside TextureStorage11.
+    UNREACHABLE();
+    return mTopLevel;
+}
+
+bool TextureStorage11::isRenderTarget() const
+{
+    return (mBindFlags & (D3D11_BIND_RENDER_TARGET | D3D11_BIND_DEPTH_STENCIL)) != 0;
+}
+
+bool TextureStorage11::isManaged() const
+{
+    return false;
+}
+
+bool TextureStorage11::supportsNativeMipmapFunction() const
+{
+    return (mMiscFlags & D3D11_RESOURCE_MISC_GENERATE_MIPS) != 0;
+}
+
+int TextureStorage11::getLevelCount() const
+{
+    return mMipLevels - mTopLevel;
+}
+
+int TextureStorage11::getLevelWidth(int mipLevel) const
+{
+    return std::max(static_cast<int>(mTextureWidth) >> mipLevel, 1);
+}
+
+int TextureStorage11::getLevelHeight(int mipLevel) const
+{
+    return std::max(static_cast<int>(mTextureHeight) >> mipLevel, 1);
+}
+
+int TextureStorage11::getLevelDepth(int mipLevel) const
+{
+    return std::max(static_cast<int>(mTextureDepth) >> mipLevel, 1);
+}
+
+angle::Result TextureStorage11::getMippedResource(const gl::Context *context,
+                                                  const TextureHelper11 **outResource)
+{
+    return getResource(context, outResource);
+}
+
+angle::Result TextureStorage11::getSubresourceIndex(const gl::Context *context,
+                                                    const gl::ImageIndex &index,
+                                                    UINT *outSubresourceIndex) const
+{
+    UINT mipSlice    = static_cast<UINT>(index.getLevelIndex() + mTopLevel);
+    UINT arraySlice  = static_cast<UINT>(index.hasLayer() ? index.getLayerIndex() : 0);
+    UINT subresource = D3D11CalcSubresource(mipSlice, arraySlice, mMipLevels);
+    ASSERT(subresource != std::numeric_limits<UINT>::max());
+    *outSubresourceIndex = subresource;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getSRVForSampler(const gl::Context *context,
+                                                 const gl::TextureState &textureState,
+                                                 const gl::SamplerState &sampler,
+                                                 const d3d11::SharedSRV **outSRV)
+{
+    ANGLE_TRY(resolveTexture(context));
+    // Make sure to add the level offset for our tiny compressed texture workaround
+    const GLuint effectiveBaseLevel = textureState.getEffectiveBaseLevel();
+    const bool swizzleRequired      = SwizzleRequired(textureState);
+    const bool mipmapping           = gl::IsMipmapFiltered(sampler.getMinFilter());
+    unsigned int mipLevels =
+        mipmapping ? (textureState.getEffectiveMaxLevel() - effectiveBaseLevel + 1) : 1;
+
+    // Make sure there's 'mipLevels' mipmap levels below the base level (offset by the top level,
+    // which corresponds to GL level 0)
+    mipLevels = std::min(mipLevels, mMipLevels - mTopLevel - effectiveBaseLevel);
+
+    if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        ASSERT(!swizzleRequired);
+        ASSERT(mipLevels == 1 || mipLevels == mMipLevels);
+    }
+
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        // We must ensure that the level zero texture is in sync with mipped texture.
+        ANGLE_TRY(useLevelZeroWorkaroundTexture(context, mipLevels == 1));
+    }
+
+    if (swizzleRequired)
+    {
+        verifySwizzleExists(GetEffectiveSwizzle(textureState));
+    }
+
+    // We drop the stencil when sampling from the SRV if three conditions hold:
+    // 1. the drop stencil workaround is enabled.
+    const bool emulateTinyStencilTextures =
+        mRenderer->getFeatures().emulateTinyStencilTextures.enabled;
+    // 2. this is a stencil texture.
+    const bool hasStencil = (mFormatInfo.format().stencilBits > 0);
+    // 3. the texture has a 1x1 or 2x2 mip.
+    const int effectiveTopLevel = effectiveBaseLevel + mipLevels - 1;
+    const bool hasSmallMips =
+        (getLevelWidth(effectiveTopLevel) <= 2 || getLevelHeight(effectiveTopLevel) <= 2);
+
+    const bool useDropStencil = (emulateTinyStencilTextures && hasStencil && hasSmallMips);
+    const SamplerKey key(effectiveBaseLevel, mipLevels, swizzleRequired, useDropStencil);
+    if (useDropStencil)
+    {
+        // Ensure drop texture gets created.
+        DropStencil result = DropStencil::CREATED;
+        ANGLE_TRY(ensureDropStencilTexture(context, &result));
+
+        // Clear the SRV cache if necessary.
+        // TODO(jmadill): Re-use find query result.
+        const auto srvEntry = mSrvCacheForSampler.find(key);
+        if (result == DropStencil::CREATED && srvEntry != mSrvCacheForSampler.end())
+        {
+            mSrvCacheForSampler.erase(key);
+        }
+    }
+
+    ANGLE_TRY(getCachedOrCreateSRVForSampler(context, key, outSRV));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getCachedOrCreateSRVForSampler(const gl::Context *context,
+                                                               const SamplerKey &key,
+                                                               const d3d11::SharedSRV **outSRV)
+{
+    auto iter = mSrvCacheForSampler.find(key);
+    if (iter != mSrvCacheForSampler.end())
+    {
+        *outSRV = &iter->second;
+        return angle::Result::Continue;
+    }
+
+    const TextureHelper11 *texture = nullptr;
+    DXGI_FORMAT format             = DXGI_FORMAT_UNKNOWN;
+
+    if (key.swizzle)
+    {
+        const auto &swizzleFormat =
+            mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps());
+        ASSERT(!key.dropStencil || swizzleFormat.format().stencilBits == 0);
+        ANGLE_TRY(getSwizzleTexture(context, &texture));
+        format = swizzleFormat.srvFormat;
+    }
+    else if (key.dropStencil)
+    {
+        ASSERT(mDropStencilTexture.valid());
+        texture = &mDropStencilTexture;
+        format  = DXGI_FORMAT_R32_FLOAT;
+    }
+    else
+    {
+        ANGLE_TRY(getResource(context, &texture));
+        format = mFormatInfo.srvFormat;
+    }
+
+    d3d11::SharedSRV srv;
+
+    ANGLE_TRY(createSRVForSampler(context, key.baseLevel, key.mipLevels, format, *texture, &srv));
+
+    const auto &insertIt = mSrvCacheForSampler.insert(std::make_pair(key, std::move(srv)));
+    *outSRV              = &insertIt.first->second;
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getSRVLevel(const gl::Context *context,
+                                            int mipLevel,
+                                            SRVType srvType,
+                                            const d3d11::SharedSRV **outSRV)
+{
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+
+    ANGLE_TRY(resolveTexture(context));
+    if (srvType == SRVType::Stencil)
+    {
+        if (!mLevelStencilSRVs[mipLevel].valid())
+        {
+            const TextureHelper11 *resource = nullptr;
+            ANGLE_TRY(getResource(context, &resource));
+
+            ANGLE_TRY(createSRVForSampler(context, mipLevel, 1, mFormatInfo.stencilSRVFormat,
+                                          *resource, &mLevelStencilSRVs[mipLevel]));
+        }
+        *outSRV = &mLevelStencilSRVs[mipLevel];
+        return angle::Result::Continue;
+    }
+
+    auto &levelSRVs      = srvType == SRVType::Blit ? mLevelBlitSRVs : mLevelSRVs;
+    auto &otherLevelSRVs = srvType == SRVType::Blit ? mLevelSRVs : mLevelBlitSRVs;
+
+    if (!levelSRVs[mipLevel].valid())
+    {
+        // Only create a different SRV for blit if blit format is different from regular srv format
+        if (otherLevelSRVs[mipLevel].valid() && mFormatInfo.srvFormat == mFormatInfo.blitSRVFormat)
+        {
+            levelSRVs[mipLevel] = otherLevelSRVs[mipLevel].makeCopy();
+        }
+        else
+        {
+            const TextureHelper11 *resource = nullptr;
+            ANGLE_TRY(getResource(context, &resource));
+
+            DXGI_FORMAT resourceFormat =
+                srvType == SRVType::Blit ? mFormatInfo.blitSRVFormat : mFormatInfo.srvFormat;
+            ANGLE_TRY(createSRVForSampler(context, mipLevel, 1, resourceFormat, *resource,
+                                          &levelSRVs[mipLevel]));
+        }
+    }
+
+    *outSRV = &levelSRVs[mipLevel];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getSRVLevels(const gl::Context *context,
+                                             GLint baseLevel,
+                                             GLint maxLevel,
+                                             const d3d11::SharedSRV **outSRV)
+{
+    ANGLE_TRY(resolveTexture(context));
+    unsigned int mipLevels = maxLevel - baseLevel + 1;
+
+    // Make sure there's 'mipLevels' mipmap levels below the base level (offset by the top level,
+    // which corresponds to GL level 0)
+    mipLevels = std::min(mipLevels, mMipLevels - mTopLevel - baseLevel);
+
+    if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        ASSERT(mipLevels == 1 || mipLevels == mMipLevels);
+    }
+
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        // We must ensure that the level zero texture is in sync with mipped texture.
+        ANGLE_TRY(useLevelZeroWorkaroundTexture(context, mipLevels == 1));
+    }
+
+    // TODO(jmadill): Assert we don't need to drop stencil.
+
+    SamplerKey key(baseLevel, mipLevels, false, false);
+    ANGLE_TRY(getCachedOrCreateSRVForSampler(context, key, outSRV));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getSRVForImage(const gl::Context *context,
+                                               const gl::ImageUnit &imageUnit,
+                                               const d3d11::SharedSRV **outSRV)
+{
+    ANGLE_TRY(resolveTexture(context));
+    // TODO(Xinghua.cao@intel.com): Add solution to handle swizzle required.
+    ImageKey key(imageUnit.level, (imageUnit.layered == GL_TRUE), imageUnit.layer, imageUnit.access,
+                 imageUnit.format);
+    ANGLE_TRY(getCachedOrCreateSRVForImage(context, key, outSRV));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getCachedOrCreateSRVForImage(const gl::Context *context,
+                                                             const ImageKey &key,
+                                                             const d3d11::SharedSRV **outSRV)
+{
+    auto iter = mSrvCacheForImage.find(key);
+    if (iter != mSrvCacheForImage.end())
+    {
+        *outSRV = &iter->second;
+        return angle::Result::Continue;
+    }
+    const TextureHelper11 *texture = nullptr;
+    ANGLE_TRY(getResource(context, &texture));
+    DXGI_FORMAT format =
+        d3d11::Format::Get(key.format, mRenderer->getRenderer11DeviceCaps()).srvFormat;
+    d3d11::SharedSRV srv;
+    ANGLE_TRY(createSRVForImage(context, key.level, format, *texture, &srv));
+    const auto &insertIt = mSrvCacheForImage.insert(std::make_pair(key, std::move(srv)));
+    *outSRV              = &insertIt.first->second;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getUAVForImage(const gl::Context *context,
+                                               const gl::ImageUnit &imageUnit,
+                                               const d3d11::SharedUAV **outUAV)
+{
+    ANGLE_TRY(resolveTexture(context));
+    // TODO(Xinghua.cao@intel.com): Add solution to handle swizzle required.
+    ImageKey key(imageUnit.level, (imageUnit.layered == GL_TRUE), imageUnit.layer, imageUnit.access,
+                 imageUnit.format);
+    ANGLE_TRY(getCachedOrCreateUAVForImage(context, key, outUAV));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getCachedOrCreateUAVForImage(const gl::Context *context,
+                                                             const ImageKey &key,
+                                                             const d3d11::SharedUAV **outUAV)
+{
+    auto iter = mUavCacheForImage.find(key);
+    if (iter != mUavCacheForImage.end())
+    {
+        *outUAV = &iter->second;
+        return angle::Result::Continue;
+    }
+    const TextureHelper11 *texture = nullptr;
+    ANGLE_TRY(getResource(context, &texture));
+    DXGI_FORMAT format =
+        d3d11::Format::Get(key.format, mRenderer->getRenderer11DeviceCaps()).uavFormat;
+    ASSERT(format != DXGI_FORMAT_UNKNOWN);
+    d3d11::SharedUAV uav;
+    ANGLE_TRY(createUAVForImage(context, key.level, format, *texture, &uav));
+    const auto &insertIt = mUavCacheForImage.insert(std::make_pair(key, std::move(uav)));
+    *outUAV              = &insertIt.first->second;
+    return angle::Result::Continue;
+}
+
+const d3d11::Format &TextureStorage11::getFormatSet() const
+{
+    return mFormatInfo;
+}
+
+angle::Result TextureStorage11::generateSwizzles(const gl::Context *context,
+                                                 const gl::TextureState &textureState)
+{
+    ANGLE_TRY(resolveTexture(context));
+    gl::SwizzleState swizzleTarget = GetEffectiveSwizzle(textureState);
+    for (int level = 0; level < getLevelCount(); level++)
+    {
+        // Check if the swizzle for this level is out of date
+        if (mSwizzleCache[level] != swizzleTarget)
+        {
+            // Need to re-render the swizzle for this level
+            const d3d11::SharedSRV *sourceSRV = nullptr;
+            ANGLE_TRY(getSRVLevel(context, level,
+                                  textureState.isStencilMode() ? SRVType::Stencil : SRVType::Blit,
+                                  &sourceSRV));
+
+            const d3d11::RenderTargetView *destRTV;
+            ANGLE_TRY(getSwizzleRenderTarget(context, level, &destRTV));
+
+            gl::Extents size(getLevelWidth(level), getLevelHeight(level), getLevelDepth(level));
+
+            Blit11 *blitter = mRenderer->getBlitter();
+
+            ANGLE_TRY(blitter->swizzleTexture(context, *sourceSRV, *destRTV, size, swizzleTarget));
+
+            mSwizzleCache[level] = swizzleTarget;
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+void TextureStorage11::markLevelDirty(int mipLevel)
+{
+    if (mipLevel >= 0 && static_cast<size_t>(mipLevel) < mSwizzleCache.size())
+    {
+        // The default constructor of SwizzleState has GL_INVALID_INDEX for all channels which is
+        // not a valid swizzle combination
+        if (mSwizzleCache[mipLevel] != gl::SwizzleState())
+        {
+            // TODO(jmadill): Invalidate specific swizzle.
+            mRenderer->getStateManager()->invalidateSwizzles();
+            mSwizzleCache[mipLevel] = gl::SwizzleState();
+        }
+    }
+
+    if (mDropStencilTexture.valid())
+    {
+        mDropStencilTexture.reset();
+    }
+}
+
+void TextureStorage11::markDirty()
+{
+    for (size_t mipLevel = 0; mipLevel < mSwizzleCache.size(); ++mipLevel)
+    {
+        markLevelDirty(static_cast<int>(mipLevel));
+    }
+}
+
+angle::Result TextureStorage11::updateSubresourceLevel(const gl::Context *context,
+                                                       const TextureHelper11 &srcTexture,
+                                                       unsigned int sourceSubresource,
+                                                       const gl::ImageIndex &index,
+                                                       const gl::Box &copyArea)
+{
+    ASSERT(srcTexture.valid());
+
+    ANGLE_TRY(resolveTexture(context));
+    const GLint level = index.getLevelIndex();
+
+    markLevelDirty(level);
+
+    gl::Extents texSize(getLevelWidth(level), getLevelHeight(level), getLevelDepth(level));
+
+    bool fullCopy = copyArea.coversSameExtent(texSize);
+
+    const TextureHelper11 *dstTexture = nullptr;
+
+    // If the zero-LOD workaround is active and we want to update a level greater than zero, then we
+    // should update the mipmapped texture, even if mapmaps are currently disabled.
+    if (level > 0 && mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ANGLE_TRY(getMippedResource(context, &dstTexture));
+    }
+    else
+    {
+        ANGLE_TRY(getResource(context, &dstTexture));
+    }
+
+    unsigned int dstSubresource = 0;
+    ANGLE_TRY(getSubresourceIndex(context, index, &dstSubresource));
+
+    ASSERT(dstTexture->valid());
+
+    const d3d11::DXGIFormatSize &dxgiFormatSizeInfo =
+        d3d11::GetDXGIFormatSizeInfo(mFormatInfo.texFormat);
+    if (!fullCopy && mFormatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        // CopySubresourceRegion cannot copy partial depth stencils, use the blitter instead
+        Blit11 *blitter = mRenderer->getBlitter();
+        return blitter->copyDepthStencil(context, srcTexture, sourceSubresource, copyArea, texSize,
+                                         *dstTexture, dstSubresource, copyArea, texSize, nullptr);
+    }
+
+    D3D11_BOX srcBox;
+    srcBox.left = copyArea.x;
+    srcBox.top  = copyArea.y;
+    srcBox.right =
+        copyArea.x + roundUp(static_cast<UINT>(copyArea.width), dxgiFormatSizeInfo.blockWidth);
+    srcBox.bottom =
+        copyArea.y + roundUp(static_cast<UINT>(copyArea.height), dxgiFormatSizeInfo.blockHeight);
+    srcBox.front = copyArea.z;
+    srcBox.back  = copyArea.z + copyArea.depth;
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    deviceContext->CopySubresourceRegion(dstTexture->get(), dstSubresource, copyArea.x, copyArea.y,
+                                         copyArea.z, srcTexture.get(), sourceSubresource,
+                                         fullCopy ? nullptr : &srcBox);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::copySubresourceLevel(const gl::Context *context,
+                                                     const TextureHelper11 &dstTexture,
+                                                     unsigned int dstSubresource,
+                                                     const gl::ImageIndex &index,
+                                                     const gl::Box &region)
+{
+    ASSERT(dstTexture.valid());
+
+    ANGLE_TRY(resolveTexture(context));
+    const TextureHelper11 *srcTexture = nullptr;
+
+    // If the zero-LOD workaround is active and we want to update a level greater than zero, then we
+    // should update the mipmapped texture, even if mapmaps are currently disabled.
+    if (index.getLevelIndex() > 0 && mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ANGLE_TRY(getMippedResource(context, &srcTexture));
+    }
+    else
+    {
+        ANGLE_TRY(getResource(context, &srcTexture));
+    }
+
+    ASSERT(srcTexture->valid());
+
+    unsigned int srcSubresource = 0;
+    ANGLE_TRY(getSubresourceIndex(context, index, &srcSubresource));
+
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+    // D3D11 can't perform partial CopySubresourceRegion on depth/stencil textures, so pSrcBox
+    // should be nullptr.
+    D3D11_BOX srcBox;
+    D3D11_BOX *pSrcBox = nullptr;
+    if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3)
+    {
+        GLsizei width  = region.width;
+        GLsizei height = region.height;
+        d3d11::MakeValidSize(false, mFormatInfo.texFormat, &width, &height, nullptr);
+
+        // Keep srcbox as nullptr if we're dealing with tiny mips of compressed textures.
+        if (width == region.width && height == region.height)
+        {
+            // However, D3D10Level9 doesn't always perform CopySubresourceRegion correctly unless
+            // the source box is specified. This is okay, since we don't perform
+            // CopySubresourceRegion on depth/stencil textures on 9_3.
+            ASSERT(mFormatInfo.dsvFormat == DXGI_FORMAT_UNKNOWN);
+            srcBox.left   = region.x;
+            srcBox.right  = region.x + region.width;
+            srcBox.top    = region.y;
+            srcBox.bottom = region.y + region.height;
+            srcBox.front  = region.z;
+            srcBox.back   = region.z + region.depth;
+            pSrcBox       = &srcBox;
+        }
+    }
+
+    deviceContext->CopySubresourceRegion(dstTexture.get(), dstSubresource, region.x, region.y,
+                                         region.z, srcTexture->get(), srcSubresource, pSrcBox);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::generateMipmap(const gl::Context *context,
+                                               const gl::ImageIndex &sourceIndex,
+                                               const gl::ImageIndex &destIndex)
+{
+    ASSERT(sourceIndex.getLayerIndex() == destIndex.getLayerIndex());
+
+    ANGLE_TRY(resolveTexture(context));
+    markLevelDirty(destIndex.getLevelIndex());
+
+    RenderTargetD3D *source = nullptr;
+    ANGLE_TRY(getRenderTarget(context, sourceIndex, 0, &source));
+
+    // dest will always have 0 since, we have just released the MS Texture struct
+    RenderTargetD3D *dest = nullptr;
+    ANGLE_TRY(getRenderTarget(context, destIndex, 0, &dest));
+
+    RenderTarget11 *srcRT11                = GetAs<RenderTarget11>(source);
+    RenderTarget11 *dstRT11                = GetAs<RenderTarget11>(dest);
+    const d3d11::RenderTargetView &destRTV = dstRT11->getRenderTargetView();
+    const d3d11::SharedSRV *sourceSRV;
+    ANGLE_TRY(srcRT11->getBlitShaderResourceView(context, &sourceSRV));
+
+    gl::Box sourceArea(0, 0, 0, source->getWidth(), source->getHeight(), source->getDepth());
+    gl::Extents sourceSize(source->getWidth(), source->getHeight(), source->getDepth());
+
+    gl::Box destArea(0, 0, 0, dest->getWidth(), dest->getHeight(), dest->getDepth());
+    gl::Extents destSize(dest->getWidth(), dest->getHeight(), dest->getDepth());
+
+    Blit11 *blitter = mRenderer->getBlitter();
+    const gl::InternalFormat &sourceInternalFormat =
+        gl::GetSizedInternalFormatInfo(source->getInternalFormat());
+    GLenum format = sourceInternalFormat.format;
+    GLenum type   = sourceInternalFormat.type;
+    return blitter->copyTexture(context, *sourceSRV, sourceArea, sourceSize, format, destRTV,
+                                destArea, destSize, nullptr, format, type, GL_LINEAR, false, false,
+                                false);
+}
+
+void TextureStorage11::verifySwizzleExists(const gl::SwizzleState &swizzleState)
+{
+    for (unsigned int level = 0; level < mMipLevels; level++)
+    {
+        ASSERT(mSwizzleCache[level] == swizzleState);
+    }
+}
+
+void TextureStorage11::clearSRVCache()
+{
+    markDirty();
+    mSrvCacheForSampler.clear();
+
+    for (size_t level = 0; level < mLevelSRVs.size(); level++)
+    {
+        mLevelSRVs[level].reset();
+        mLevelBlitSRVs[level].reset();
+    }
+}
+
+angle::Result TextureStorage11::copyToStorage(const gl::Context *context,
+                                              TextureStorage *destStorage)
+{
+    ASSERT(destStorage);
+
+    ANGLE_TRY(resolveTexture(context));
+    const TextureHelper11 *sourceResouce = nullptr;
+    ANGLE_TRY(getResource(context, &sourceResouce));
+
+    TextureStorage11 *dest11            = GetAs<TextureStorage11>(destStorage);
+    const TextureHelper11 *destResource = nullptr;
+    ANGLE_TRY(dest11->getResource(context, &destResource));
+
+    ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext();
+    immediateContext->CopyResource(destResource->get(), sourceResouce->get());
+
+    dest11->markDirty();
+
+    return angle::Result::Continue;
+}
+
+void TextureStorage11::invalidateTextures()
+{
+    mRenderer->getStateManager()->invalidateTexturesAndSamplers();
+}
+
+angle::Result TextureStorage11::setData(const gl::Context *context,
+                                        const gl::ImageIndex &index,
+                                        ImageD3D *image,
+                                        const gl::Box *destBox,
+                                        GLenum type,
+                                        const gl::PixelUnpackState &unpack,
+                                        const uint8_t *pixelData)
+{
+    ASSERT(!image->isDirty());
+
+    ANGLE_TRY(resolveTexture(context));
+    markLevelDirty(index.getLevelIndex());
+
+    const TextureHelper11 *resource = nullptr;
+    ANGLE_TRY(getResource(context, &resource));
+    ASSERT(resource && resource->valid());
+
+    UINT destSubresource = 0;
+    ANGLE_TRY(getSubresourceIndex(context, index, &destSubresource));
+
+    const gl::InternalFormat &internalFormatInfo =
+        gl::GetInternalFormatInfo(image->getInternalFormat(), type);
+
+    gl::Box levelBox(0, 0, 0, getLevelWidth(index.getLevelIndex()),
+                     getLevelHeight(index.getLevelIndex()), getLevelDepth(index.getLevelIndex()));
+    bool fullUpdate = (destBox == nullptr || *destBox == levelBox);
+    ASSERT(internalFormatInfo.depthBits == 0 || fullUpdate);
+
+    // TODO(jmadill): Handle compressed formats
+    // Compressed formats have different load syntax, so we'll have to handle them with slightly
+    // different logic. Will implemnent this in a follow-up patch, and ensure we do not use SetData
+    // with compressed formats in the calling logic.
+    ASSERT(!internalFormatInfo.compressed);
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    const int width    = destBox ? destBox->width : static_cast<int>(image->getWidth());
+    const int height   = destBox ? destBox->height : static_cast<int>(image->getHeight());
+    const int depth    = destBox ? destBox->depth : static_cast<int>(image->getDepth());
+    GLuint srcRowPitch = 0;
+    ANGLE_CHECK_GL_MATH(context11,
+                        internalFormatInfo.computeRowPitch(type, width, unpack.alignment,
+                                                           unpack.rowLength, &srcRowPitch));
+    GLuint srcDepthPitch = 0;
+    ANGLE_CHECK_GL_MATH(context11, internalFormatInfo.computeDepthPitch(
+                                       height, unpack.imageHeight, srcRowPitch, &srcDepthPitch));
+    GLuint srcSkipBytes = 0;
+    ANGLE_CHECK_GL_MATH(
+        context11, internalFormatInfo.computeSkipBytes(type, srcRowPitch, srcDepthPitch, unpack,
+                                                       index.usesTex3D(), &srcSkipBytes));
+
+    const d3d11::Format &d3d11Format =
+        d3d11::Format::Get(image->getInternalFormat(), mRenderer->getRenderer11DeviceCaps());
+    const d3d11::DXGIFormatSize &dxgiFormatInfo =
+        d3d11::GetDXGIFormatSizeInfo(d3d11Format.texFormat);
+
+    const size_t outputPixelSize = dxgiFormatInfo.pixelBytes;
+
+    UINT bufferRowPitch   = static_cast<unsigned int>(outputPixelSize) * width;
+    UINT bufferDepthPitch = bufferRowPitch * height;
+
+    const size_t neededSize               = bufferDepthPitch * depth;
+    angle::MemoryBuffer *conversionBuffer = nullptr;
+    const uint8_t *data                   = nullptr;
+
+    LoadImageFunctionInfo loadFunctionInfo = d3d11Format.getLoadFunctions()(type);
+    if (loadFunctionInfo.requiresConversion)
+    {
+        ANGLE_TRY(mRenderer->getScratchMemoryBuffer(context11, neededSize, &conversionBuffer));
+        loadFunctionInfo.loadFunction(width, height, depth, pixelData + srcSkipBytes, srcRowPitch,
+                                      srcDepthPitch, conversionBuffer->data(), bufferRowPitch,
+                                      bufferDepthPitch);
+        data = conversionBuffer->data();
+    }
+    else
+    {
+        data             = pixelData + srcSkipBytes;
+        bufferRowPitch   = srcRowPitch;
+        bufferDepthPitch = srcDepthPitch;
+    }
+
+    ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext();
+
+    if (!fullUpdate)
+    {
+        ASSERT(destBox);
+
+        D3D11_BOX destD3DBox;
+        destD3DBox.left   = destBox->x;
+        destD3DBox.right  = destBox->x + destBox->width;
+        destD3DBox.top    = destBox->y;
+        destD3DBox.bottom = destBox->y + destBox->height;
+        destD3DBox.front  = destBox->z;
+        destD3DBox.back   = destBox->z + destBox->depth;
+
+        immediateContext->UpdateSubresource(resource->get(), destSubresource, &destD3DBox, data,
+                                            bufferRowPitch, bufferDepthPitch);
+    }
+    else
+    {
+        immediateContext->UpdateSubresource(resource->get(), destSubresource, nullptr, data,
+                                            bufferRowPitch, bufferDepthPitch);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::ensureDropStencilTexture(
+    const gl::Context *context,
+    TextureStorage11::DropStencil *dropStencilOut)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11::initDropStencilTexture(const gl::Context *context,
+                                                       const gl::ImageIndexIterator &it)
+{
+    const TextureHelper11 *sourceTexture = nullptr;
+    ANGLE_TRY(getResource(context, &sourceTexture));
+
+    gl::ImageIndexIterator itCopy = it;
+
+    while (itCopy.hasNext())
+    {
+        gl::ImageIndex index = itCopy.next();
+        gl::Box wholeArea(0, 0, 0, getLevelWidth(index.getLevelIndex()),
+                          getLevelHeight(index.getLevelIndex()), 1);
+        gl::Extents wholeSize(wholeArea.width, wholeArea.height, 1);
+
+        UINT subresource = 0;
+        ANGLE_TRY(getSubresourceIndex(context, index, &subresource));
+
+        ANGLE_TRY(mRenderer->getBlitter()->copyDepthStencil(
+            context, *sourceTexture, subresource, wholeArea, wholeSize, mDropStencilTexture,
+            subresource, wholeArea, wholeSize, nullptr));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::resolveTextureHelper(const gl::Context *context,
+                                                     const TextureHelper11 &texture)
+{
+    UINT subresourceIndexSS;
+    ANGLE_TRY(getSubresourceIndex(context, mMSTexInfo->indexSS, &subresourceIndexSS));
+    UINT subresourceIndexMS;
+    ANGLE_TRY(getSubresourceIndex(context, mMSTexInfo->indexMS, &subresourceIndexMS));
+    ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+    const TextureHelper11 *resource    = nullptr;
+    ANGLE_TRY(mMSTexInfo->msTex->getResource(context, &resource));
+    deviceContext->ResolveSubresource(texture.get(), subresourceIndexSS, resource->get(),
+                                      subresourceIndexMS, texture.getFormat());
+    mMSTexInfo->msTextureNeedsResolve = false;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::releaseMultisampledTexStorageForLevel(size_t level)
+{
+    if (mMSTexInfo && mMSTexInfo->indexSS.getLevelIndex() == static_cast<int>(level))
+    {
+        mMSTexInfo->msTex.reset();
+        onStateChange(angle::SubjectMessage::ContentsChanged);
+    }
+    return angle::Result::Continue;
+}
+
+GLsizei TextureStorage11::getRenderToTextureSamples() const
+{
+    if (mMSTexInfo)
+    {
+        return mMSTexInfo->samples;
+    }
+    return 0;
+}
+
+angle::Result TextureStorage11::findMultisampledRenderTarget(const gl::Context *context,
+                                                             const gl::ImageIndex &index,
+                                                             GLsizei samples,
+                                                             RenderTargetD3D **outRT) const
+{
+    const int level = index.getLevelIndex();
+    if (!mMSTexInfo || level != mMSTexInfo->indexSS.getLevelIndex() ||
+        samples != mMSTexInfo->samples || !mMSTexInfo->msTex)
+    {
+        *outRT = nullptr;
+        return angle::Result::Continue;
+    }
+    RenderTargetD3D *rt;
+    ANGLE_TRY(mMSTexInfo->msTex->findRenderTarget(context, mMSTexInfo->indexMS, samples, &rt));
+    *outRT = rt;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11::getMultisampledRenderTarget(const gl::Context *context,
+                                                            const gl::ImageIndex &index,
+                                                            GLsizei samples,
+                                                            RenderTargetD3D **outRT)
+{
+    const int level = index.getLevelIndex();
+    if (!mMSTexInfo || level != mMSTexInfo->indexSS.getLevelIndex() ||
+        samples != mMSTexInfo->samples || !mMSTexInfo->msTex)
+    {
+        // if mMSTexInfo already exists, then we want to resolve and release it
+        // since the mMSTexInfo must be for a different sample count or level
+        ANGLE_TRY(resolveTexture(context));
+
+        // Now we can create a new object for the correct sample and level
+        GLsizei width         = getLevelWidth(level);
+        GLsizei height        = getLevelHeight(level);
+        GLenum internalFormat = mFormatInfo.internalFormat;
+        std::unique_ptr<TextureStorage11_2DMultisample> texMS(
+            GetAs<TextureStorage11_2DMultisample>(mRenderer->createTextureStorage2DMultisample(
+                internalFormat, width, height, level, samples, true, mKHRDebugLabel)));
+
+        // make sure multisample object has the blitted information.
+        gl::Rectangle area(0, 0, width, height);
+        RenderTargetD3D *readRenderTarget = nullptr;
+        // use incoming index here since the index will correspond to the single sampled texture
+        ANGLE_TRY(getRenderTarget(context, index, 0, &readRenderTarget));
+        gl::ImageIndex indexMS            = gl::ImageIndex::Make2DMultisample();
+        RenderTargetD3D *drawRenderTarget = nullptr;
+        ANGLE_TRY(texMS->getRenderTarget(context, indexMS, samples, &drawRenderTarget));
+
+        // blit SS -> MS
+        // mask: GL_COLOR_BUFFER_BIT, filter: GL_NEAREST
+        ANGLE_TRY(mRenderer->blitRenderbufferRect(context, area, area, 0, 0, readRenderTarget,
+                                                  drawRenderTarget, GL_NEAREST, nullptr, true,
+                                                  false, false));
+        mMSTexInfo = std::make_unique<MultisampledRenderToTextureInfo>(samples, index, indexMS);
+        mMSTexInfo->msTex = std::move(texMS);
+    }
+    RenderTargetD3D *rt;
+    ANGLE_TRY(mMSTexInfo->msTex->getRenderTarget(context, mMSTexInfo->indexMS, samples, &rt));
+    // By returning the multisampled render target to the caller, the render target
+    // is expected to be changed so we need to resolve to a single sampled texture
+    // next time resolveTexture is called.
+    mMSTexInfo->msTextureNeedsResolve = true;
+    *outRT                            = rt;
+    return angle::Result::Continue;
+}
+
+TextureStorage11_2D::TextureStorage11_2D(Renderer11 *renderer,
+                                         SwapChain11 *swapchain,
+                                         const std::string &label)
+    : TextureStorage11(renderer,
+                       D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE,
+                       0,
+                       swapchain->getRenderTargetInternalFormat(),
+                       label),
+      mTexture(swapchain->getOffscreenTexture()),
+      mLevelZeroTexture(),
+      mLevelZeroRenderTarget(nullptr),
+      mUseLevelZeroTexture(false),
+      mSwizzleTexture()
+{
+    for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        mAssociatedImages[i] = nullptr;
+        mRenderTarget[i]     = nullptr;
+    }
+
+    D3D11_TEXTURE2D_DESC texDesc;
+    mTexture.getDesc(&texDesc);
+    mMipLevels     = texDesc.MipLevels;
+    mTextureWidth  = texDesc.Width;
+    mTextureHeight = texDesc.Height;
+    mTextureDepth  = 1;
+    mHasKeyedMutex = (texDesc.MiscFlags & D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX) != 0;
+}
+
+TextureStorage11_2D::TextureStorage11_2D(Renderer11 *renderer,
+                                         GLenum internalformat,
+                                         BindFlags bindFlags,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         int levels,
+                                         const std::string &label,
+                                         bool hintLevelZeroOnly)
+    : TextureStorage11(
+          renderer,
+          GetTextureBindFlags(internalformat, renderer->getRenderer11DeviceCaps(), bindFlags),
+          GetTextureMiscFlags(internalformat,
+                              renderer->getRenderer11DeviceCaps(),
+                              bindFlags,
+                              levels),
+          internalformat,
+          label),
+      mTexture(),
+      mHasKeyedMutex(false),
+      mLevelZeroTexture(),
+      mLevelZeroRenderTarget(nullptr),
+      mUseLevelZeroTexture(hintLevelZeroOnly && levels > 1),
+      mSwizzleTexture()
+{
+    for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        mAssociatedImages[i] = nullptr;
+        mRenderTarget[i]     = nullptr;
+    }
+
+    d3d11::MakeValidSize(false, mFormatInfo.texFormat, &width, &height, &mTopLevel);
+    mMipLevels     = mTopLevel + levels;
+    mTextureWidth  = width;
+    mTextureHeight = height;
+    mTextureDepth  = 1;
+
+    // The LevelZeroOnly hint should only be true if the zero max LOD workaround is active.
+    ASSERT(!mUseLevelZeroTexture || mRenderer->getFeatures().zeroMaxLodWorkaround.enabled);
+}
+
+void TextureStorage11_2D::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+    if (mLevelZeroTexture.valid())
+    {
+        mLevelZeroTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+    if (mSwizzleTexture.valid())
+    {
+        mSwizzleTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+angle::Result TextureStorage11_2D::onDestroy(const gl::Context *context)
+{
+    for (unsigned i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        if (mAssociatedImages[i] != nullptr)
+        {
+            mAssociatedImages[i]->verifyAssociatedStorageValid(this);
+
+            // We must let the Images recover their data before we delete it from the
+            // TextureStorage.
+            ANGLE_TRY(mAssociatedImages[i]->recoverFromAssociatedStorage(context));
+        }
+    }
+
+    if (mHasKeyedMutex)
+    {
+        // If the keyed mutex is released that will unbind it and cause the state cache to become
+        // desynchronized.
+        mRenderer->getStateManager()->invalidateBoundViews();
+    }
+
+    return angle::Result::Continue;
+}
+
+TextureStorage11_2D::~TextureStorage11_2D() {}
+
+angle::Result TextureStorage11_2D::copyToStorage(const gl::Context *context,
+                                                 TextureStorage *destStorage)
+{
+    ASSERT(destStorage);
+
+    TextureStorage11_2D *dest11           = GetAs<TextureStorage11_2D>(destStorage);
+    ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext();
+
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        // If either mTexture or mLevelZeroTexture exist, then we need to copy them into the
+        // corresponding textures in destStorage.
+        if (mTexture.valid())
+        {
+            ANGLE_TRY(dest11->useLevelZeroWorkaroundTexture(context, false));
+
+            const TextureHelper11 *destResource = nullptr;
+            ANGLE_TRY(dest11->getResource(context, &destResource));
+
+            immediateContext->CopyResource(destResource->get(), mTexture.get());
+        }
+
+        if (mLevelZeroTexture.valid())
+        {
+            ANGLE_TRY(dest11->useLevelZeroWorkaroundTexture(context, true));
+
+            const TextureHelper11 *destResource = nullptr;
+            ANGLE_TRY(dest11->getResource(context, &destResource));
+
+            immediateContext->CopyResource(destResource->get(), mLevelZeroTexture.get());
+        }
+
+        return angle::Result::Continue;
+    }
+
+    const TextureHelper11 *sourceResouce = nullptr;
+    ANGLE_TRY(getResource(context, &sourceResouce));
+
+    const TextureHelper11 *destResource = nullptr;
+    ANGLE_TRY(dest11->getResource(context, &destResource));
+
+    immediateContext->CopyResource(destResource->get(), sourceResouce->get());
+    dest11->markDirty();
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                                 bool useLevelZeroTexture)
+{
+    if (useLevelZeroTexture && mMipLevels > 1)
+    {
+        if (!mUseLevelZeroTexture && mTexture.valid())
+        {
+            ANGLE_TRY(ensureTextureExists(context, 1));
+
+            // Pull data back from the mipped texture if necessary.
+            ASSERT(mLevelZeroTexture.valid());
+            ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+            deviceContext->CopySubresourceRegion(mLevelZeroTexture.get(), 0, 0, 0, 0,
+                                                 mTexture.get(), 0, nullptr);
+        }
+
+        mUseLevelZeroTexture = true;
+    }
+    else
+    {
+        if (mUseLevelZeroTexture && mLevelZeroTexture.valid())
+        {
+            ANGLE_TRY(ensureTextureExists(context, mMipLevels));
+
+            // Pull data back from the level zero texture if necessary.
+            ASSERT(mTexture.valid());
+            ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+            deviceContext->CopySubresourceRegion(mTexture.get(), 0, 0, 0, 0,
+                                                 mLevelZeroTexture.get(), 0, nullptr);
+        }
+
+        mUseLevelZeroTexture = false;
+    }
+
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_2D::associateImage(Image11 *image, const gl::ImageIndex &index)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        mAssociatedImages[level] = image;
+    }
+}
+
+void TextureStorage11_2D::verifyAssociatedImageValid(const gl::ImageIndex &index,
+                                                     Image11 *expectedImage)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    // This validation check should never return false. It means the Image/TextureStorage
+    // association is broken.
+    ASSERT(mAssociatedImages[level] == expectedImage);
+}
+
+// disassociateImage allows an Image to end its association with a Storage.
+void TextureStorage11_2D::disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(mAssociatedImages[level] == expectedImage);
+    mAssociatedImages[level] = nullptr;
+}
+
+// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image
+// recover its data before ending the association.
+angle::Result TextureStorage11_2D::releaseAssociatedImage(const gl::Context *context,
+                                                          const gl::ImageIndex &index,
+                                                          Image11 *incomingImage)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+
+    if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        // No need to let the old Image recover its data, if it is also the incoming Image.
+        if (mAssociatedImages[level] != nullptr && mAssociatedImages[level] != incomingImage)
+        {
+            // Ensure that the Image is still associated with this TextureStorage.
+            mAssociatedImages[level]->verifyAssociatedStorageValid(this);
+
+            // Force the image to recover from storage before its data is overwritten.
+            // This will reset mAssociatedImages[level] to nullptr too.
+            ANGLE_TRY(mAssociatedImages[level]->recoverFromAssociatedStorage(context));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::getResource(const gl::Context *context,
+                                               const TextureHelper11 **outResource)
+{
+    if (mUseLevelZeroTexture && mMipLevels > 1)
+    {
+        ANGLE_TRY(ensureTextureExists(context, 1));
+
+        *outResource = &mLevelZeroTexture;
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(ensureTextureExists(context, mMipLevels));
+
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::getMippedResource(const gl::Context *context,
+                                                     const TextureHelper11 **outResource)
+{
+    // This shouldn't be called unless the zero max LOD workaround is active.
+    ASSERT(mRenderer->getFeatures().zeroMaxLodWorkaround.enabled);
+
+    ANGLE_TRY(ensureTextureExists(context, mMipLevels));
+
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::ensureTextureExists(const gl::Context *context, int mipLevels)
+{
+    // If mMipLevels = 1 then always use mTexture rather than mLevelZeroTexture.
+    ANGLE_TRY(resolveTexture(context));
+    bool useLevelZeroTexture       = mRenderer->getFeatures().zeroMaxLodWorkaround.enabled
+                                         ? (mipLevels == 1) && (mMipLevels > 1)
+                                         : false;
+    TextureHelper11 *outputTexture = useLevelZeroTexture ? &mLevelZeroTexture : &mTexture;
+
+    // if the width or height is not positive this should be treated as an incomplete texture
+    // we handle that here by skipping the d3d texture creation
+    if (!outputTexture->valid() && mTextureWidth > 0 && mTextureHeight > 0)
+    {
+        ASSERT(mipLevels > 0);
+
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width     = mTextureWidth;  // Compressed texture size constraints?
+        desc.Height    = mTextureHeight;
+        desc.MipLevels = mipLevels;
+        desc.ArraySize = 1;
+        desc.Format    = isUnorderedAccess() ? mFormatInfo.typelessFormat : mFormatInfo.texFormat;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.BindFlags          = getBindFlags();
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = getMiscFlags();
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, mFormatInfo,
+                                             outputTexture));
+
+        if (useLevelZeroTexture)
+        {
+            outputTexture->setLabels("TexStorage2D.Level0Texture", &mKHRDebugLabel);
+        }
+        else
+        {
+            outputTexture->setLabels("TexStorage2D.Texture", &mKHRDebugLabel);
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::findRenderTarget(const gl::Context *context,
+                                                    const gl::ImageIndex &index,
+                                                    GLsizei samples,
+                                                    RenderTargetD3D **outRT) const
+{
+    ASSERT(!index.hasLayer());
+
+    const int level = index.getLevelIndex();
+    ASSERT(level >= 0 && level < getLevelCount());
+
+    bool needMS = samples > 0;
+    if (needMS)
+    {
+        return findMultisampledRenderTarget(context, index, samples, outRT);
+    }
+
+    ASSERT(outRT);
+    if (mRenderTarget[level])
+    {
+        *outRT = mRenderTarget[level].get();
+        return angle::Result::Continue;
+    }
+
+    if (mUseLevelZeroTexture)
+    {
+        ASSERT(level == 0);
+        *outRT = mLevelZeroRenderTarget.get();
+        return angle::Result::Continue;
+    }
+
+    *outRT = nullptr;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::getRenderTarget(const gl::Context *context,
+                                                   const gl::ImageIndex &index,
+                                                   GLsizei samples,
+                                                   RenderTargetD3D **outRT)
+{
+    ASSERT(!index.hasLayer());
+
+    const int level = index.getLevelIndex();
+    ASSERT(level >= 0 && level < getLevelCount());
+
+    bool needMS = samples > 0;
+    if (needMS)
+    {
+        return getMultisampledRenderTarget(context, index, samples, outRT);
+    }
+    else
+    {
+        ANGLE_TRY(resolveTexture(context));
+    }
+
+    // In GL ES 2.0, the application can only render to level zero of the texture (Section 4.4.3 of
+    // the GLES 2.0 spec, page 113 of version 2.0.25). Other parts of TextureStorage11_2D could
+    // create RTVs on non-zero levels of the texture (e.g. generateMipmap).
+    // On Feature Level 9_3, this is unlikely to be useful. The renderer can't create SRVs on the
+    // individual levels of the texture, so methods like generateMipmap can't do anything useful
+    // with non-zero-level RTVs. Therefore if level > 0 on 9_3 then there's almost certainly
+    // something wrong.
+    ASSERT(
+        !(mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3 && level > 0));
+    ASSERT(outRT);
+    if (mRenderTarget[level])
+    {
+        *outRT = mRenderTarget[level].get();
+        return angle::Result::Continue;
+    }
+
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ASSERT(level == 0);
+        ANGLE_TRY(useLevelZeroWorkaroundTexture(context, true));
+    }
+
+    const TextureHelper11 *texture = nullptr;
+    ANGLE_TRY(getResource(context, &texture));
+
+    const d3d11::SharedSRV *srv = nullptr;
+    ANGLE_TRY(getSRVLevel(context, level, SRVType::Sample, &srv));
+
+    const d3d11::SharedSRV *blitSRV = nullptr;
+    ANGLE_TRY(getSRVLevel(context, level, SRVType::Blit, &blitSRV));
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (mUseLevelZeroTexture)
+    {
+        if (!mLevelZeroRenderTarget)
+        {
+            D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+            rtvDesc.Format             = mFormatInfo.rtvFormat;
+            rtvDesc.ViewDimension      = D3D11_RTV_DIMENSION_TEXTURE2D;
+            rtvDesc.Texture2D.MipSlice = mTopLevel + level;
+
+            d3d11::RenderTargetView rtv;
+            ANGLE_TRY(
+                mRenderer->allocateResource(context11, rtvDesc, mLevelZeroTexture.get(), &rtv));
+            rtv.setLabels("TexStorage2D.Level0RTV", &mKHRDebugLabel);
+
+            mLevelZeroRenderTarget.reset(new TextureRenderTarget11(
+                std::move(rtv), mLevelZeroTexture, d3d11::SharedSRV(), d3d11::SharedSRV(),
+                mFormatInfo.internalFormat, getFormatSet(), getLevelWidth(level),
+                getLevelHeight(level), 1, 0));
+        }
+
+        *outRT = mLevelZeroRenderTarget.get();
+        return angle::Result::Continue;
+    }
+
+    if (mFormatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format             = mFormatInfo.rtvFormat;
+        rtvDesc.ViewDimension      = D3D11_RTV_DIMENSION_TEXTURE2D;
+        rtvDesc.Texture2D.MipSlice = mTopLevel + level;
+
+        d3d11::RenderTargetView rtv;
+        ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, texture->get(), &rtv));
+        rtv.setLabels("TexStorage2D.RTV", &mKHRDebugLabel);
+
+        mRenderTarget[level].reset(new TextureRenderTarget11(
+            std::move(rtv), *texture, *srv, *blitSRV, mFormatInfo.internalFormat, getFormatSet(),
+            getLevelWidth(level), getLevelHeight(level), 1, 0));
+
+        *outRT = mRenderTarget[level].get();
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mFormatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN);
+
+    D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+    dsvDesc.Format             = mFormatInfo.dsvFormat;
+    dsvDesc.ViewDimension      = D3D11_DSV_DIMENSION_TEXTURE2D;
+    dsvDesc.Texture2D.MipSlice = mTopLevel + level;
+    dsvDesc.Flags              = 0;
+
+    d3d11::DepthStencilView dsv;
+    ANGLE_TRY(mRenderer->allocateResource(context11, dsvDesc, texture->get(), &dsv));
+    dsv.setLabels("TexStorage2D.DSV", &mKHRDebugLabel);
+
+    mRenderTarget[level].reset(new TextureRenderTarget11(
+        std::move(dsv), *texture, *srv, mFormatInfo.internalFormat, getFormatSet(),
+        getLevelWidth(level), getLevelHeight(level), 1, 0));
+
+    *outRT = mRenderTarget[level].get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::createSRVForSampler(const gl::Context *context,
+                                                       int baseLevel,
+                                                       int mipLevels,
+                                                       DXGI_FORMAT format,
+                                                       const TextureHelper11 &texture,
+                                                       d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                    = format;
+    srvDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE2D;
+    srvDesc.Texture2D.MostDetailedMip = mTopLevel + baseLevel;
+    srvDesc.Texture2D.MipLevels       = mipLevels;
+
+    const TextureHelper11 *srvTexture = &texture;
+
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ASSERT(mTopLevel == 0);
+        ASSERT(baseLevel == 0);
+        // This code also assumes that the incoming texture equals either mLevelZeroTexture or
+        // mTexture.
+
+        if (mipLevels == 1 && mMipLevels > 1)
+        {
+            // We must use a SRV on the level-zero-only texture.
+            ANGLE_TRY(ensureTextureExists(context, 1));
+            srvTexture = &mLevelZeroTexture;
+        }
+        else
+        {
+            ASSERT(mipLevels == static_cast<int>(mMipLevels));
+            ASSERT(mTexture.valid() && texture == mTexture);
+            srvTexture = &mTexture;
+        }
+    }
+
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, srvTexture->get(),
+                                          outSRV));
+    outSRV->setLabels("TexStorage2D.SRV", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::createSRVForImage(const gl::Context *context,
+                                                     int level,
+                                                     DXGI_FORMAT format,
+                                                     const TextureHelper11 &texture,
+                                                     d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                    = format;
+    srvDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE2D;
+    srvDesc.Texture2D.MostDetailedMip = mTopLevel + level;
+    srvDesc.Texture2D.MipLevels       = 1;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage2D.SRVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::createUAVForImage(const gl::Context *context,
+                                                     int level,
+                                                     DXGI_FORMAT format,
+                                                     const TextureHelper11 &texture,
+                                                     d3d11::SharedUAV *outUAV)
+{
+    ASSERT(outUAV);
+    D3D11_UNORDERED_ACCESS_VIEW_DESC uavDesc;
+    uavDesc.Format             = format;
+    uavDesc.ViewDimension      = D3D11_UAV_DIMENSION_TEXTURE2D;
+    uavDesc.Texture2D.MipSlice = mTopLevel + level;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), uavDesc, texture.get(), outUAV));
+    outUAV->setLabels("TexStorage2D.UAVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::getSwizzleTexture(const gl::Context *context,
+                                                     const TextureHelper11 **outTexture)
+{
+    ASSERT(outTexture);
+
+    if (!mSwizzleTexture.valid())
+    {
+        const auto &format = mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps());
+
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width              = mTextureWidth;
+        desc.Height             = mTextureHeight;
+        desc.MipLevels          = mMipLevels;
+        desc.ArraySize          = 1;
+        desc.Format             = format.texFormat;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.BindFlags          = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = 0;
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, format,
+                                             &mSwizzleTexture));
+        mSwizzleTexture.setLabels("TexStorage2D.SwizzleTexture", &mKHRDebugLabel);
+    }
+
+    *outTexture = &mSwizzleTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::getSwizzleRenderTarget(const gl::Context *context,
+                                                          int mipLevel,
+                                                          const d3d11::RenderTargetView **outRTV)
+{
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+    ASSERT(outRTV);
+
+    if (!mSwizzleRenderTargets[mipLevel].valid())
+    {
+        const TextureHelper11 *swizzleTexture = nullptr;
+        ANGLE_TRY(getSwizzleTexture(context, &swizzleTexture));
+
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format =
+            mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps()).rtvFormat;
+        rtvDesc.ViewDimension      = D3D11_RTV_DIMENSION_TEXTURE2D;
+        rtvDesc.Texture2D.MipSlice = mTopLevel + mipLevel;
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), rtvDesc,
+                                              mSwizzleTexture.get(),
+                                              &mSwizzleRenderTargets[mipLevel]));
+    }
+
+    *outRTV = &mSwizzleRenderTargets[mipLevel];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::ensureDropStencilTexture(const gl::Context *context,
+                                                            DropStencil *dropStencilOut)
+{
+    if (mDropStencilTexture.valid())
+    {
+        *dropStencilOut = DropStencil::ALREADY_EXISTS;
+        return angle::Result::Continue;
+    }
+
+    D3D11_TEXTURE2D_DESC dropDesc = {};
+    dropDesc.ArraySize            = 1;
+    dropDesc.BindFlags            = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_DEPTH_STENCIL;
+    dropDesc.CPUAccessFlags       = 0;
+    dropDesc.Format               = DXGI_FORMAT_R32_TYPELESS;
+    dropDesc.Height               = mTextureHeight;
+    dropDesc.MipLevels            = mMipLevels;
+    dropDesc.MiscFlags            = 0;
+    dropDesc.SampleDesc.Count     = 1;
+    dropDesc.SampleDesc.Quality   = 0;
+    dropDesc.Usage                = D3D11_USAGE_DEFAULT;
+    dropDesc.Width                = mTextureWidth;
+
+    const auto &format =
+        d3d11::Format::Get(GL_DEPTH_COMPONENT32F, mRenderer->getRenderer11DeviceCaps());
+    ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), dropDesc, format,
+                                         &mDropStencilTexture));
+    mDropStencilTexture.setLabels("TexStorage2D.DropStencil", &mKHRDebugLabel);
+
+    ANGLE_TRY(initDropStencilTexture(context, gl::ImageIndexIterator::Make2D(0, mMipLevels)));
+
+    *dropStencilOut = DropStencil::CREATED;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2D::resolveTexture(const gl::Context *context)
+{
+    if (mMSTexInfo && mMSTexInfo->msTex && mMSTexInfo->msTextureNeedsResolve)
+    {
+        ANGLE_TRY(resolveTextureHelper(context, mTexture));
+        onStateChange(angle::SubjectMessage::ContentsChanged);
+    }
+    return angle::Result::Continue;
+}
+
+TextureStorage11_External::TextureStorage11_External(
+    Renderer11 *renderer,
+    egl::Stream *stream,
+    const egl::Stream::GLTextureDescription &glDesc,
+    const std::string &label)
+    : TextureStorage11(renderer, D3D11_BIND_SHADER_RESOURCE, 0, glDesc.internalFormat, label)
+{
+    ASSERT(stream->getProducerType() == egl::Stream::ProducerType::D3D11Texture);
+    auto *producer = static_cast<StreamProducerD3DTexture *>(stream->getImplementation());
+    mTexture.set(producer->getD3DTexture(), mFormatInfo);
+    mSubresourceIndex = producer->getArraySlice();
+    mTexture.get()->AddRef();
+    mMipLevels = 1;
+
+    D3D11_TEXTURE2D_DESC desc;
+    mTexture.getDesc(&desc);
+    mTextureWidth  = desc.Width;
+    mTextureHeight = desc.Height;
+    mTextureDepth  = 1;
+    mHasKeyedMutex = (desc.MiscFlags & D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX) != 0;
+}
+
+angle::Result TextureStorage11_External::onDestroy(const gl::Context *context)
+{
+    if (mHasKeyedMutex)
+    {
+        // If the keyed mutex is released that will unbind it and cause the state cache to become
+        // desynchronized.
+        mRenderer->getStateManager()->invalidateBoundViews();
+    }
+
+    return angle::Result::Continue;
+}
+
+TextureStorage11_External::~TextureStorage11_External() {}
+
+angle::Result TextureStorage11_External::copyToStorage(const gl::Context *context,
+                                                       TextureStorage *destStorage)
+{
+    UNIMPLEMENTED();
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_External::associateImage(Image11 *image, const gl::ImageIndex &index)
+{
+    ASSERT(index.getLevelIndex() == 0);
+    mAssociatedImage = image;
+}
+
+void TextureStorage11_External::verifyAssociatedImageValid(const gl::ImageIndex &index,
+                                                           Image11 *expectedImage)
+{
+    ASSERT(index.getLevelIndex() == 0 && mAssociatedImage == expectedImage);
+}
+
+void TextureStorage11_External::disassociateImage(const gl::ImageIndex &index,
+                                                  Image11 *expectedImage)
+{
+    ASSERT(index.getLevelIndex() == 0);
+    ASSERT(mAssociatedImage == expectedImage);
+    mAssociatedImage = nullptr;
+}
+
+angle::Result TextureStorage11_External::releaseAssociatedImage(const gl::Context *context,
+                                                                const gl::ImageIndex &index,
+                                                                Image11 *incomingImage)
+{
+    ASSERT(index.getLevelIndex() == 0);
+
+    if (mAssociatedImage != nullptr && mAssociatedImage != incomingImage)
+    {
+        mAssociatedImage->verifyAssociatedStorageValid(this);
+
+        ANGLE_TRY(mAssociatedImage->recoverFromAssociatedStorage(context));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_External::getResource(const gl::Context *context,
+                                                     const TextureHelper11 **outResource)
+{
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_External::getMippedResource(const gl::Context *context,
+                                                           const TextureHelper11 **outResource)
+{
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_External::findRenderTarget(const gl::Context *context,
+                                                          const gl::ImageIndex &index,
+                                                          GLsizei samples,
+                                                          RenderTargetD3D **outRT) const
+{
+    // Render targets are not supported for external textures
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_External::getRenderTarget(const gl::Context *context,
+                                                         const gl::ImageIndex &index,
+                                                         GLsizei samples,
+                                                         RenderTargetD3D **outRT)
+{
+    // Render targets are not supported for external textures
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_External::createSRVForSampler(const gl::Context *context,
+                                                             int baseLevel,
+                                                             int mipLevels,
+                                                             DXGI_FORMAT format,
+                                                             const TextureHelper11 &texture,
+                                                             d3d11::SharedSRV *outSRV)
+{
+    // Since external textures are treates as non-mipmapped textures, we ignore mipmap levels and
+    // use the specified subresource ID the storage was created with.
+    ASSERT(mipLevels == 1);
+    ASSERT(outSRV);
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format        = format;
+    srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+    // subresource index is equal to the mip level for 2D textures
+    srvDesc.Texture2DArray.MostDetailedMip = 0;
+    srvDesc.Texture2DArray.MipLevels       = 1;
+    srvDesc.Texture2DArray.FirstArraySlice = mSubresourceIndex;
+    srvDesc.Texture2DArray.ArraySize       = 1;
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage2D.SRV", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_External::createSRVForImage(const gl::Context *context,
+                                                           int level,
+                                                           DXGI_FORMAT format,
+                                                           const TextureHelper11 &texture,
+                                                           d3d11::SharedSRV *outSRV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_External::createUAVForImage(const gl::Context *context,
+                                                           int level,
+                                                           DXGI_FORMAT format,
+                                                           const TextureHelper11 &texture,
+                                                           d3d11::SharedUAV *outUAV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_External::getSwizzleTexture(const gl::Context *context,
+                                                           const TextureHelper11 **outTexture)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_External::getSwizzleRenderTarget(
+    const gl::Context *context,
+    int mipLevel,
+    const d3d11::RenderTargetView **outRTV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+void TextureStorage11_External::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+TextureStorage11ImmutableBase::TextureStorage11ImmutableBase(Renderer11 *renderer,
+                                                             UINT bindFlags,
+                                                             UINT miscFlags,
+                                                             GLenum internalFormat,
+                                                             const std::string &label)
+    : TextureStorage11(renderer, bindFlags, miscFlags, internalFormat, label)
+{}
+
+void TextureStorage11ImmutableBase::associateImage(Image11 *, const gl::ImageIndex &) {}
+
+void TextureStorage11ImmutableBase::disassociateImage(const gl::ImageIndex &, Image11 *) {}
+
+void TextureStorage11ImmutableBase::verifyAssociatedImageValid(const gl::ImageIndex &, Image11 *) {}
+
+angle::Result TextureStorage11ImmutableBase::releaseAssociatedImage(const gl::Context *context,
+                                                                    const gl::ImageIndex &,
+                                                                    Image11 *)
+{
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11ImmutableBase::createSRVForImage(const gl::Context *context,
+                                                               int level,
+                                                               DXGI_FORMAT format,
+                                                               const TextureHelper11 &texture,
+                                                               d3d11::SharedSRV *outSRV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11ImmutableBase::createUAVForImage(const gl::Context *context,
+                                                               int level,
+                                                               DXGI_FORMAT format,
+                                                               const TextureHelper11 &texture,
+                                                               d3d11::SharedUAV *outUAV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+TextureStorage11_EGLImage::TextureStorage11_EGLImage(Renderer11 *renderer,
+                                                     EGLImageD3D *eglImage,
+                                                     RenderTarget11 *renderTarget11,
+                                                     const std::string &label)
+    : TextureStorage11ImmutableBase(renderer,
+                                    D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE,
+                                    0,
+                                    renderTarget11->getInternalFormat(),
+                                    label),
+      mImage(eglImage),
+      mCurrentRenderTarget(0),
+      mSwizzleTexture(),
+      mSwizzleRenderTargets(gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+{
+    mCurrentRenderTarget = reinterpret_cast<uintptr_t>(renderTarget11);
+
+    mMipLevels     = 1;
+    mTextureWidth  = renderTarget11->getWidth();
+    mTextureHeight = renderTarget11->getHeight();
+    mTextureDepth  = 1;
+}
+
+TextureStorage11_EGLImage::~TextureStorage11_EGLImage() {}
+
+angle::Result TextureStorage11_EGLImage::getSubresourceIndex(const gl::Context *context,
+                                                             const gl::ImageIndex &index,
+                                                             UINT *outSubresourceIndex) const
+{
+    ASSERT(index.getType() == gl::TextureType::_2D);
+    ASSERT(index.getLevelIndex() == 0);
+
+    RenderTarget11 *renderTarget11 = nullptr;
+    ANGLE_TRY(getImageRenderTarget(context, &renderTarget11));
+    *outSubresourceIndex = renderTarget11->getSubresourceIndex();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_EGLImage::getResource(const gl::Context *context,
+                                                     const TextureHelper11 **outResource)
+{
+    ANGLE_TRY(checkForUpdatedRenderTarget(context));
+
+    RenderTarget11 *renderTarget11 = nullptr;
+    ANGLE_TRY(getImageRenderTarget(context, &renderTarget11));
+    *outResource = &renderTarget11->getTexture();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_EGLImage::getSRVForSampler(const gl::Context *context,
+                                                          const gl::TextureState &textureState,
+                                                          const gl::SamplerState &sampler,
+                                                          const d3d11::SharedSRV **outSRV)
+{
+    ANGLE_TRY(checkForUpdatedRenderTarget(context));
+    return TextureStorage11::getSRVForSampler(context, textureState, sampler, outSRV);
+}
+
+angle::Result TextureStorage11_EGLImage::getMippedResource(const gl::Context *context,
+                                                           const TextureHelper11 **)
+{
+    // This shouldn't be called unless the zero max LOD workaround is active.
+    // EGL images are unavailable in this configuration.
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_EGLImage::findRenderTarget(const gl::Context *context,
+                                                          const gl::ImageIndex &index,
+                                                          GLsizei samples,
+                                                          RenderTargetD3D **outRT) const
+{
+    // Since the render target of an EGL image will be updated when orphaning, trying to find a
+    // cache of it can be rarely useful.
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_EGLImage::getRenderTarget(const gl::Context *context,
+                                                         const gl::ImageIndex &index,
+                                                         GLsizei samples,
+                                                         RenderTargetD3D **outRT)
+{
+    ASSERT(!index.hasLayer());
+    ASSERT(index.getLevelIndex() == 0);
+
+    ANGLE_TRY(checkForUpdatedRenderTarget(context));
+
+    return mImage->getRenderTarget(context, outRT);
+}
+
+angle::Result TextureStorage11_EGLImage::copyToStorage(const gl::Context *context,
+                                                       TextureStorage *destStorage)
+{
+    const TextureHelper11 *sourceResouce = nullptr;
+    ANGLE_TRY(getResource(context, &sourceResouce));
+
+    ASSERT(destStorage);
+    TextureStorage11_2D *dest11         = GetAs<TextureStorage11_2D>(destStorage);
+    const TextureHelper11 *destResource = nullptr;
+    ANGLE_TRY(dest11->getResource(context, &destResource));
+
+    ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext();
+    immediateContext->CopyResource(destResource->get(), sourceResouce->get());
+
+    dest11->markDirty();
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_EGLImage::useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                                       bool)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_EGLImage::getSwizzleTexture(const gl::Context *context,
+                                                           const TextureHelper11 **outTexture)
+{
+    ASSERT(outTexture);
+
+    if (!mSwizzleTexture.valid())
+    {
+        const auto &format = mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps());
+
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width              = mTextureWidth;
+        desc.Height             = mTextureHeight;
+        desc.MipLevels          = mMipLevels;
+        desc.ArraySize          = 1;
+        desc.Format             = format.texFormat;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.BindFlags          = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = 0;
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, format,
+                                             &mSwizzleTexture));
+        mSwizzleTexture.setLabels("TexStorageEGLImage.SwizzleTexture", &mKHRDebugLabel);
+    }
+
+    *outTexture = &mSwizzleTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_EGLImage::getSwizzleRenderTarget(
+    const gl::Context *context,
+    int mipLevel,
+    const d3d11::RenderTargetView **outRTV)
+{
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+    ASSERT(outRTV);
+
+    if (!mSwizzleRenderTargets[mipLevel].valid())
+    {
+        const TextureHelper11 *swizzleTexture = nullptr;
+        ANGLE_TRY(getSwizzleTexture(context, &swizzleTexture));
+
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format =
+            mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps()).rtvFormat;
+        rtvDesc.ViewDimension      = D3D11_RTV_DIMENSION_TEXTURE2D;
+        rtvDesc.Texture2D.MipSlice = mTopLevel + mipLevel;
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), rtvDesc,
+                                              mSwizzleTexture.get(),
+                                              &mSwizzleRenderTargets[mipLevel]));
+    }
+
+    *outRTV = &mSwizzleRenderTargets[mipLevel];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_EGLImage::checkForUpdatedRenderTarget(const gl::Context *context)
+{
+    RenderTarget11 *renderTarget11 = nullptr;
+    ANGLE_TRY(getImageRenderTarget(context, &renderTarget11));
+
+    if (mCurrentRenderTarget != reinterpret_cast<uintptr_t>(renderTarget11))
+    {
+        clearSRVCache();
+        mCurrentRenderTarget = reinterpret_cast<uintptr_t>(renderTarget11);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_EGLImage::createSRVForSampler(const gl::Context *context,
+                                                             int baseLevel,
+                                                             int mipLevels,
+                                                             DXGI_FORMAT format,
+                                                             const TextureHelper11 &texture,
+                                                             d3d11::SharedSRV *outSRV)
+{
+    ASSERT(baseLevel == 0);
+    ASSERT(mipLevels == 1);
+    ASSERT(outSRV);
+
+    // Create a new SRV only for the swizzle texture.  Otherwise just return the Image's
+    // RenderTarget's SRV.
+    if (texture == mSwizzleTexture)
+    {
+        D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+        srvDesc.Format                    = format;
+        srvDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE2D;
+        srvDesc.Texture2D.MostDetailedMip = mTopLevel + baseLevel;
+        srvDesc.Texture2D.MipLevels       = mipLevels;
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(),
+                                              outSRV));
+        outSRV->setLabels("TexStorageEGLImage.SRV", &mKHRDebugLabel);
+    }
+    else
+    {
+        RenderTarget11 *renderTarget = nullptr;
+        ANGLE_TRY(getImageRenderTarget(context, &renderTarget));
+
+        ASSERT(texture == renderTarget->getTexture());
+
+        const d3d11::SharedSRV *srv;
+        ANGLE_TRY(renderTarget->getShaderResourceView(context, &srv));
+
+        *outSRV = srv->makeCopy();
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_EGLImage::getImageRenderTarget(const gl::Context *context,
+                                                              RenderTarget11 **outRT) const
+{
+    RenderTargetD3D *renderTargetD3D = nullptr;
+    ANGLE_TRY(mImage->getRenderTarget(context, &renderTargetD3D));
+    *outRT = GetAs<RenderTarget11>(renderTargetD3D);
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_EGLImage::onLabelUpdate()
+{
+    if (mSwizzleTexture.valid())
+    {
+        mSwizzleTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+TextureStorage11_Cube::TextureStorage11_Cube(Renderer11 *renderer,
+                                             GLenum internalformat,
+                                             BindFlags bindFlags,
+                                             int size,
+                                             int levels,
+                                             bool hintLevelZeroOnly,
+                                             const std::string &label)
+    : TextureStorage11(
+          renderer,
+          GetTextureBindFlags(internalformat, renderer->getRenderer11DeviceCaps(), bindFlags),
+          GetTextureMiscFlags(internalformat,
+                              renderer->getRenderer11DeviceCaps(),
+                              bindFlags,
+                              levels),
+          internalformat,
+          label),
+      mTexture(),
+      mLevelZeroTexture(),
+      mUseLevelZeroTexture(hintLevelZeroOnly && levels > 1),
+      mSwizzleTexture()
+{
+    for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
+    {
+        for (unsigned int face = 0; face < gl::kCubeFaceCount; face++)
+        {
+            mAssociatedImages[face][level] = nullptr;
+            mRenderTarget[face][level]     = nullptr;
+        }
+    }
+
+    for (unsigned int face = 0; face < gl::kCubeFaceCount; face++)
+    {
+        mLevelZeroRenderTarget[face] = nullptr;
+    }
+
+    // adjust size if needed for compressed textures
+    int height = size;
+    d3d11::MakeValidSize(false, mFormatInfo.texFormat, &size, &height, &mTopLevel);
+
+    mMipLevels     = mTopLevel + levels;
+    mTextureWidth  = size;
+    mTextureHeight = size;
+    mTextureDepth  = 1;
+
+    // The LevelZeroOnly hint should only be true if the zero max LOD workaround is active.
+    ASSERT(!mUseLevelZeroTexture || mRenderer->getFeatures().zeroMaxLodWorkaround.enabled);
+}
+
+angle::Result TextureStorage11_Cube::onDestroy(const gl::Context *context)
+{
+    for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++)
+    {
+        for (unsigned int face = 0; face < gl::kCubeFaceCount; face++)
+        {
+            if (mAssociatedImages[face][level] != nullptr)
+            {
+                mAssociatedImages[face][level]->verifyAssociatedStorageValid(this);
+
+                // We must let the Images recover their data before we delete it from the
+                // TextureStorage.
+                ANGLE_TRY(mAssociatedImages[face][level]->recoverFromAssociatedStorage(context));
+            }
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+TextureStorage11_Cube::~TextureStorage11_Cube() {}
+
+angle::Result TextureStorage11_Cube::getSubresourceIndex(const gl::Context *context,
+                                                         const gl::ImageIndex &index,
+                                                         UINT *outSubresourceIndex) const
+{
+    UINT arraySlice = index.cubeMapFaceIndex();
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled && mUseLevelZeroTexture &&
+        index.getLevelIndex() == 0)
+    {
+        UINT subresource = D3D11CalcSubresource(0, arraySlice, 1);
+        ASSERT(subresource != std::numeric_limits<UINT>::max());
+        *outSubresourceIndex = subresource;
+    }
+    else
+    {
+        UINT mipSlice    = static_cast<UINT>(index.getLevelIndex() + mTopLevel);
+        UINT subresource = D3D11CalcSubresource(mipSlice, arraySlice, mMipLevels);
+        ASSERT(subresource != std::numeric_limits<UINT>::max());
+        *outSubresourceIndex = subresource;
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::copyToStorage(const gl::Context *context,
+                                                   TextureStorage *destStorage)
+{
+    ASSERT(destStorage);
+
+    TextureStorage11_Cube *dest11 = GetAs<TextureStorage11_Cube>(destStorage);
+
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext();
+
+        // If either mTexture or mLevelZeroTexture exist, then we need to copy them into the
+        // corresponding textures in destStorage.
+        if (mTexture.valid())
+        {
+            ANGLE_TRY(dest11->useLevelZeroWorkaroundTexture(context, false));
+
+            const TextureHelper11 *destResource = nullptr;
+            ANGLE_TRY(dest11->getResource(context, &destResource));
+
+            immediateContext->CopyResource(destResource->get(), mTexture.get());
+        }
+
+        if (mLevelZeroTexture.valid())
+        {
+            ANGLE_TRY(dest11->useLevelZeroWorkaroundTexture(context, true));
+
+            const TextureHelper11 *destResource = nullptr;
+            ANGLE_TRY(dest11->getResource(context, &destResource));
+
+            immediateContext->CopyResource(destResource->get(), mLevelZeroTexture.get());
+        }
+    }
+    else
+    {
+        const TextureHelper11 *sourceResouce = nullptr;
+        ANGLE_TRY(getResource(context, &sourceResouce));
+
+        const TextureHelper11 *destResource = nullptr;
+        ANGLE_TRY(dest11->getResource(context, &destResource));
+
+        ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext();
+        immediateContext->CopyResource(destResource->get(), sourceResouce->get());
+    }
+
+    dest11->markDirty();
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                                   bool useLevelZeroTexture)
+{
+    if (useLevelZeroTexture && mMipLevels > 1)
+    {
+        if (!mUseLevelZeroTexture && mTexture.valid())
+        {
+            ANGLE_TRY(ensureTextureExists(context, 1));
+
+            // Pull data back from the mipped texture if necessary.
+            ASSERT(mLevelZeroTexture.valid());
+            ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+            for (int face = 0; face < 6; face++)
+            {
+                deviceContext->CopySubresourceRegion(mLevelZeroTexture.get(),
+                                                     D3D11CalcSubresource(0, face, 1), 0, 0, 0,
+                                                     mTexture.get(), face * mMipLevels, nullptr);
+            }
+        }
+
+        mUseLevelZeroTexture = true;
+    }
+    else
+    {
+        if (mUseLevelZeroTexture && mLevelZeroTexture.valid())
+        {
+            ANGLE_TRY(ensureTextureExists(context, mMipLevels));
+
+            // Pull data back from the level zero texture if necessary.
+            ASSERT(mTexture.valid());
+            ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
+
+            for (int face = 0; face < 6; face++)
+            {
+                deviceContext->CopySubresourceRegion(mTexture.get(),
+                                                     D3D11CalcSubresource(0, face, mMipLevels), 0,
+                                                     0, 0, mLevelZeroTexture.get(), face, nullptr);
+            }
+        }
+
+        mUseLevelZeroTexture = false;
+    }
+
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_Cube::associateImage(Image11 *image, const gl::ImageIndex &index)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.cubeMapFaceIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(0 <= layerTarget && layerTarget < static_cast<GLint>(gl::kCubeFaceCount));
+
+    if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        if (0 <= layerTarget && layerTarget < static_cast<GLint>(gl::kCubeFaceCount))
+        {
+            mAssociatedImages[layerTarget][level] = image;
+        }
+    }
+}
+
+void TextureStorage11_Cube::verifyAssociatedImageValid(const gl::ImageIndex &index,
+                                                       Image11 *expectedImage)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.cubeMapFaceIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(0 <= layerTarget && layerTarget < static_cast<GLint>(gl::kCubeFaceCount));
+    // This validation check should never return false. It means the Image/TextureStorage
+    // association is broken.
+    ASSERT(mAssociatedImages[layerTarget][level] == expectedImage);
+}
+
+// disassociateImage allows an Image to end its association with a Storage.
+void TextureStorage11_Cube::disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.cubeMapFaceIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(0 <= layerTarget && layerTarget < static_cast<GLint>(gl::kCubeFaceCount));
+    ASSERT(mAssociatedImages[layerTarget][level] == expectedImage);
+    mAssociatedImages[layerTarget][level] = nullptr;
+}
+
+// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image
+// recover its data before ending the association.
+angle::Result TextureStorage11_Cube::releaseAssociatedImage(const gl::Context *context,
+                                                            const gl::ImageIndex &index,
+                                                            Image11 *incomingImage)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.cubeMapFaceIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(0 <= layerTarget && layerTarget < static_cast<GLint>(gl::kCubeFaceCount));
+
+    if ((0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
+    {
+        if (0 <= layerTarget && layerTarget < static_cast<GLint>(gl::kCubeFaceCount))
+        {
+            // No need to let the old Image recover its data, if it is also the incoming Image.
+            if (mAssociatedImages[layerTarget][level] != nullptr &&
+                mAssociatedImages[layerTarget][level] != incomingImage)
+            {
+                // Ensure that the Image is still associated with this TextureStorage.
+                mAssociatedImages[layerTarget][level]->verifyAssociatedStorageValid(this);
+
+                // Force the image to recover from storage before its data is overwritten.
+                // This will reset mAssociatedImages[level] to nullptr too.
+                ANGLE_TRY(
+                    mAssociatedImages[layerTarget][level]->recoverFromAssociatedStorage(context));
+            }
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::getResource(const gl::Context *context,
+                                                 const TextureHelper11 **outResource)
+{
+    if (mUseLevelZeroTexture && mMipLevels > 1)
+    {
+        ANGLE_TRY(ensureTextureExists(context, 1));
+        *outResource = &mLevelZeroTexture;
+    }
+    else
+    {
+        ANGLE_TRY(ensureTextureExists(context, mMipLevels));
+        *outResource = &mTexture;
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::getMippedResource(const gl::Context *context,
+                                                       const TextureHelper11 **outResource)
+{
+    // This shouldn't be called unless the zero max LOD workaround is active.
+    ASSERT(mRenderer->getFeatures().zeroMaxLodWorkaround.enabled);
+
+    ANGLE_TRY(ensureTextureExists(context, mMipLevels));
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::ensureTextureExists(const gl::Context *context, int mipLevels)
+{
+    // If mMipLevels = 1 then always use mTexture rather than mLevelZeroTexture.
+    ANGLE_TRY(resolveTexture(context));
+    bool useLevelZeroTexture       = mRenderer->getFeatures().zeroMaxLodWorkaround.enabled
+                                         ? (mipLevels == 1) && (mMipLevels > 1)
+                                         : false;
+    TextureHelper11 *outputTexture = useLevelZeroTexture ? &mLevelZeroTexture : &mTexture;
+
+    // if the size is not positive this should be treated as an incomplete texture
+    // we handle that here by skipping the d3d texture creation
+    if (!outputTexture->valid() && mTextureWidth > 0 && mTextureHeight > 0)
+    {
+        ASSERT(mMipLevels > 0);
+
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width     = mTextureWidth;
+        desc.Height    = mTextureHeight;
+        desc.MipLevels = mipLevels;
+        desc.ArraySize = gl::kCubeFaceCount;
+        desc.Format    = isUnorderedAccess() ? mFormatInfo.typelessFormat : mFormatInfo.texFormat;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.BindFlags          = getBindFlags();
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = D3D11_RESOURCE_MISC_TEXTURECUBE | getMiscFlags();
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, mFormatInfo,
+                                             outputTexture));
+        outputTexture->setLabels("TexStorageCube.Texture", &mKHRDebugLabel);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::findRenderTarget(const gl::Context *context,
+                                                      const gl::ImageIndex &index,
+                                                      GLsizei samples,
+                                                      RenderTargetD3D **outRT) const
+{
+    const int faceIndex = index.cubeMapFaceIndex();
+    const int level     = index.getLevelIndex();
+
+    ASSERT(level >= 0 && level < getLevelCount());
+    ASSERT(faceIndex >= 0 && faceIndex < static_cast<GLint>(gl::kCubeFaceCount));
+
+    bool needMS = samples > 0;
+    if (needMS)
+    {
+        return findMultisampledRenderTarget(context, index, samples, outRT);
+    }
+
+    if (!mRenderTarget[faceIndex][level])
+    {
+        if (mUseLevelZeroTexture)
+        {
+            ASSERT(index.getLevelIndex() == 0);
+            ASSERT(outRT);
+            *outRT = mLevelZeroRenderTarget[faceIndex].get();
+            return angle::Result::Continue;
+        }
+    }
+
+    ASSERT(outRT);
+    *outRT = mRenderTarget[faceIndex][level].get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::createRenderTargetSRV(const gl::Context *context,
+                                                           const TextureHelper11 &texture,
+                                                           const gl::ImageIndex &index,
+                                                           DXGI_FORMAT resourceFormat,
+                                                           d3d11::SharedSRV *srv) const
+{
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                         = resourceFormat;
+    srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + index.getLevelIndex();
+    srvDesc.Texture2DArray.MipLevels       = 1;
+    srvDesc.Texture2DArray.FirstArraySlice = index.cubeMapFaceIndex();
+    srvDesc.Texture2DArray.ArraySize       = 1;
+
+    if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_10_0)
+    {
+        srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE;
+    }
+    else
+    {
+        // Will be used with Texture2D sampler, not TextureCube
+        srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+    }
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), srv));
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::getRenderTarget(const gl::Context *context,
+                                                     const gl::ImageIndex &index,
+                                                     GLsizei samples,
+                                                     RenderTargetD3D **outRT)
+{
+    const int faceIndex = index.cubeMapFaceIndex();
+    const int level     = index.getLevelIndex();
+
+    ASSERT(level >= 0 && level < getLevelCount());
+    ASSERT(faceIndex >= 0 && faceIndex < static_cast<GLint>(gl::kCubeFaceCount));
+
+    bool needMS = samples > 0;
+    if (needMS)
+    {
+        return getMultisampledRenderTarget(context, index, samples, outRT);
+    }
+    else
+    {
+        ANGLE_TRY(resolveTexture(context));
+    }
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (!mRenderTarget[faceIndex][level])
+    {
+        if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+        {
+            ASSERT(index.getLevelIndex() == 0);
+            ANGLE_TRY(useLevelZeroWorkaroundTexture(context, true));
+        }
+
+        const TextureHelper11 *texture = nullptr;
+        ANGLE_TRY(getResource(context, &texture));
+
+        if (mUseLevelZeroTexture)
+        {
+            if (!mLevelZeroRenderTarget[faceIndex])
+            {
+                D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+                rtvDesc.Format                         = mFormatInfo.rtvFormat;
+                rtvDesc.ViewDimension                  = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
+                rtvDesc.Texture2DArray.MipSlice        = mTopLevel + level;
+                rtvDesc.Texture2DArray.FirstArraySlice = faceIndex;
+                rtvDesc.Texture2DArray.ArraySize       = 1;
+
+                d3d11::RenderTargetView rtv;
+                ANGLE_TRY(
+                    mRenderer->allocateResource(context11, rtvDesc, mLevelZeroTexture.get(), &rtv));
+
+                mLevelZeroRenderTarget[faceIndex].reset(new TextureRenderTarget11(
+                    std::move(rtv), mLevelZeroTexture, d3d11::SharedSRV(), d3d11::SharedSRV(),
+                    mFormatInfo.internalFormat, getFormatSet(), getLevelWidth(level),
+                    getLevelHeight(level), 1, 0));
+            }
+
+            ASSERT(outRT);
+            *outRT = mLevelZeroRenderTarget[faceIndex].get();
+            return angle::Result::Continue;
+        }
+
+        d3d11::SharedSRV srv;
+        ANGLE_TRY(createRenderTargetSRV(context, *texture, index, mFormatInfo.srvFormat, &srv));
+        d3d11::SharedSRV blitSRV;
+        if (mFormatInfo.blitSRVFormat != mFormatInfo.srvFormat)
+        {
+            ANGLE_TRY(createRenderTargetSRV(context, *texture, index, mFormatInfo.blitSRVFormat,
+                                            &blitSRV));
+        }
+        else
+        {
+            blitSRV = srv.makeCopy();
+        }
+
+        srv.setLabels("TexStorageCube.RenderTargetSRV", &mKHRDebugLabel);
+
+        if (mFormatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
+        {
+            D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+            rtvDesc.Format                         = mFormatInfo.rtvFormat;
+            rtvDesc.ViewDimension                  = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
+            rtvDesc.Texture2DArray.MipSlice        = mTopLevel + level;
+            rtvDesc.Texture2DArray.FirstArraySlice = faceIndex;
+            rtvDesc.Texture2DArray.ArraySize       = 1;
+
+            d3d11::RenderTargetView rtv;
+            ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, texture->get(), &rtv));
+            rtv.setLabels("TexStorageCube.RenderTargetRTV", &mKHRDebugLabel);
+
+            mRenderTarget[faceIndex][level].reset(new TextureRenderTarget11(
+                std::move(rtv), *texture, srv, blitSRV, mFormatInfo.internalFormat, getFormatSet(),
+                getLevelWidth(level), getLevelHeight(level), 1, 0));
+        }
+        else if (mFormatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN)
+        {
+            D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+            dsvDesc.Format                         = mFormatInfo.dsvFormat;
+            dsvDesc.ViewDimension                  = D3D11_DSV_DIMENSION_TEXTURE2DARRAY;
+            dsvDesc.Flags                          = 0;
+            dsvDesc.Texture2DArray.MipSlice        = mTopLevel + level;
+            dsvDesc.Texture2DArray.FirstArraySlice = faceIndex;
+            dsvDesc.Texture2DArray.ArraySize       = 1;
+
+            d3d11::DepthStencilView dsv;
+            ANGLE_TRY(mRenderer->allocateResource(context11, dsvDesc, texture->get(), &dsv));
+            dsv.setLabels("TexStorageCube.RenderTargetDSV", &mKHRDebugLabel);
+
+            mRenderTarget[faceIndex][level].reset(new TextureRenderTarget11(
+                std::move(dsv), *texture, srv, mFormatInfo.internalFormat, getFormatSet(),
+                getLevelWidth(level), getLevelHeight(level), 1, 0));
+        }
+        else
+        {
+            UNREACHABLE();
+        }
+    }
+
+    ASSERT(outRT);
+    *outRT = mRenderTarget[faceIndex][level].get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::createSRVForSampler(const gl::Context *context,
+                                                         int baseLevel,
+                                                         int mipLevels,
+                                                         DXGI_FORMAT format,
+                                                         const TextureHelper11 &texture,
+                                                         d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format = format;
+
+    // Unnormalized integer cube maps are not supported by DX11; we emulate them as an array of six
+    // 2D textures
+    const GLenum componentType = d3d11::GetComponentType(format);
+    if (componentType == GL_INT || componentType == GL_UNSIGNED_INT)
+    {
+        srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+        srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + baseLevel;
+        srvDesc.Texture2DArray.MipLevels       = mipLevels;
+        srvDesc.Texture2DArray.FirstArraySlice = 0;
+        srvDesc.Texture2DArray.ArraySize       = gl::kCubeFaceCount;
+    }
+    else
+    {
+        srvDesc.ViewDimension               = D3D11_SRV_DIMENSION_TEXTURECUBE;
+        srvDesc.TextureCube.MipLevels       = mipLevels;
+        srvDesc.TextureCube.MostDetailedMip = mTopLevel + baseLevel;
+    }
+
+    const TextureHelper11 *srvTexture = &texture;
+
+    if (mRenderer->getFeatures().zeroMaxLodWorkaround.enabled)
+    {
+        ASSERT(mTopLevel == 0);
+        ASSERT(baseLevel == 0);
+        // This code also assumes that the incoming texture equals either mLevelZeroTexture or
+        // mTexture.
+
+        if (mipLevels == 1 && mMipLevels > 1)
+        {
+            // We must use a SRV on the level-zero-only texture.
+            ANGLE_TRY(ensureTextureExists(context, 1));
+            srvTexture = &mLevelZeroTexture;
+        }
+        else
+        {
+            ASSERT(mipLevels == static_cast<int>(mMipLevels));
+            ASSERT(mTexture.valid() && texture == mTexture);
+            srvTexture = &mTexture;
+        }
+    }
+
+    ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, srvTexture->get(),
+                                          outSRV));
+    outSRV->setLabels("TexStorageCube.SRV", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::createSRVForImage(const gl::Context *context,
+                                                       int level,
+                                                       DXGI_FORMAT format,
+                                                       const TextureHelper11 &texture,
+                                                       d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                         = format;
+    srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+    srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + level;
+    srvDesc.Texture2DArray.MipLevels       = 1;
+    srvDesc.Texture2DArray.FirstArraySlice = 0;
+    srvDesc.Texture2DArray.ArraySize       = gl::kCubeFaceCount;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorageCube.SRVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::createUAVForImage(const gl::Context *context,
+                                                       int level,
+                                                       DXGI_FORMAT format,
+                                                       const TextureHelper11 &texture,
+                                                       d3d11::SharedUAV *outUAV)
+{
+    ASSERT(outUAV);
+    D3D11_UNORDERED_ACCESS_VIEW_DESC uavDesc;
+    uavDesc.Format                         = format;
+    uavDesc.ViewDimension                  = D3D11_UAV_DIMENSION_TEXTURE2DARRAY;
+    uavDesc.Texture2DArray.MipSlice        = mTopLevel + level;
+    uavDesc.Texture2DArray.FirstArraySlice = 0;
+    uavDesc.Texture2DArray.ArraySize       = gl::kCubeFaceCount;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), uavDesc, texture.get(), outUAV));
+    outUAV->setLabels("TexStorageCube.UAVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::getSwizzleTexture(const gl::Context *context,
+                                                       const TextureHelper11 **outTexture)
+{
+    ASSERT(outTexture);
+
+    if (!mSwizzleTexture.valid())
+    {
+        const auto &format = mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps());
+
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width              = mTextureWidth;
+        desc.Height             = mTextureHeight;
+        desc.MipLevels          = mMipLevels;
+        desc.ArraySize          = gl::kCubeFaceCount;
+        desc.Format             = format.texFormat;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.BindFlags          = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = D3D11_RESOURCE_MISC_TEXTURECUBE;
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, format,
+                                             &mSwizzleTexture));
+        mSwizzleTexture.setLabels("TexStorageCube.SwizzleTexture", &mKHRDebugLabel);
+    }
+
+    *outTexture = &mSwizzleTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::getSwizzleRenderTarget(const gl::Context *context,
+                                                            int mipLevel,
+                                                            const d3d11::RenderTargetView **outRTV)
+{
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+    ASSERT(outRTV);
+
+    if (!mSwizzleRenderTargets[mipLevel].valid())
+    {
+        const TextureHelper11 *swizzleTexture = nullptr;
+        ANGLE_TRY(getSwizzleTexture(context, &swizzleTexture));
+
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format =
+            mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps()).rtvFormat;
+        rtvDesc.ViewDimension                  = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
+        rtvDesc.Texture2DArray.MipSlice        = mTopLevel + mipLevel;
+        rtvDesc.Texture2DArray.FirstArraySlice = 0;
+        rtvDesc.Texture2DArray.ArraySize       = gl::kCubeFaceCount;
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), rtvDesc,
+                                              mSwizzleTexture.get(),
+                                              &mSwizzleRenderTargets[mipLevel]));
+    }
+
+    *outRTV = &mSwizzleRenderTargets[mipLevel];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::ensureDropStencilTexture(const gl::Context *context,
+                                                              DropStencil *dropStencilOut)
+{
+    if (mDropStencilTexture.valid())
+    {
+        *dropStencilOut = DropStencil::ALREADY_EXISTS;
+        return angle::Result::Continue;
+    }
+
+    D3D11_TEXTURE2D_DESC dropDesc = {};
+    dropDesc.ArraySize            = 6;
+    dropDesc.BindFlags            = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_DEPTH_STENCIL;
+    dropDesc.CPUAccessFlags       = 0;
+    dropDesc.Format               = DXGI_FORMAT_R32_TYPELESS;
+    dropDesc.Height               = mTextureHeight;
+    dropDesc.MipLevels            = mMipLevels;
+    dropDesc.MiscFlags            = D3D11_RESOURCE_MISC_TEXTURECUBE;
+    dropDesc.SampleDesc.Count     = 1;
+    dropDesc.SampleDesc.Quality   = 0;
+    dropDesc.Usage                = D3D11_USAGE_DEFAULT;
+    dropDesc.Width                = mTextureWidth;
+
+    const auto &format =
+        d3d11::Format::Get(GL_DEPTH_COMPONENT32F, mRenderer->getRenderer11DeviceCaps());
+    ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), dropDesc, format,
+                                         &mDropStencilTexture));
+    mDropStencilTexture.setLabels("TexStorageCube.DropStencil", &mKHRDebugLabel);
+
+    ANGLE_TRY(initDropStencilTexture(context, gl::ImageIndexIterator::MakeCube(0, mMipLevels)));
+
+    *dropStencilOut = DropStencil::CREATED;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Cube::resolveTexture(const gl::Context *context)
+{
+    if (mMSTexInfo && mMSTexInfo->msTex && mMSTexInfo->msTextureNeedsResolve)
+    {
+        ANGLE_TRY(resolveTextureHelper(context, mTexture));
+        onStateChange(angle::SubjectMessage::ContentsChanged);
+    }
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_Cube::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+    if (mLevelZeroTexture.valid())
+    {
+        mLevelZeroTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+    if (mSwizzleTexture.valid())
+    {
+        mSwizzleTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+TextureStorage11_3D::TextureStorage11_3D(Renderer11 *renderer,
+                                         GLenum internalformat,
+                                         BindFlags bindFlags,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         int levels,
+                                         const std::string &label)
+    : TextureStorage11(
+          renderer,
+          GetTextureBindFlags(internalformat, renderer->getRenderer11DeviceCaps(), bindFlags),
+          GetTextureMiscFlags(internalformat,
+                              renderer->getRenderer11DeviceCaps(),
+                              bindFlags,
+                              levels),
+          internalformat,
+          label)
+{
+    for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        mAssociatedImages[i]   = nullptr;
+        mLevelRenderTargets[i] = nullptr;
+    }
+
+    // adjust size if needed for compressed textures
+    d3d11::MakeValidSize(false, mFormatInfo.texFormat, &width, &height, &mTopLevel);
+
+    mMipLevels     = mTopLevel + levels;
+    mTextureWidth  = width;
+    mTextureHeight = height;
+    mTextureDepth  = depth;
+}
+
+angle::Result TextureStorage11_3D::onDestroy(const gl::Context *context)
+{
+    for (unsigned i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++)
+    {
+        if (mAssociatedImages[i] != nullptr)
+        {
+            mAssociatedImages[i]->verifyAssociatedStorageValid(this);
+
+            // We must let the Images recover their data before we delete it from the
+            // TextureStorage.
+            ANGLE_TRY(mAssociatedImages[i]->recoverFromAssociatedStorage(context));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+TextureStorage11_3D::~TextureStorage11_3D() {}
+
+void TextureStorage11_3D::associateImage(Image11 *image, const gl::ImageIndex &index)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+
+    if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        mAssociatedImages[level] = image;
+    }
+}
+
+void TextureStorage11_3D::verifyAssociatedImageValid(const gl::ImageIndex &index,
+                                                     Image11 *expectedImage)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    // This validation check should never return false. It means the Image/TextureStorage
+    // association is broken.
+    ASSERT(mAssociatedImages[level] == expectedImage);
+}
+
+// disassociateImage allows an Image to end its association with a Storage.
+void TextureStorage11_3D::disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    ASSERT(mAssociatedImages[level] == expectedImage);
+    mAssociatedImages[level] = nullptr;
+}
+
+// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image
+// recover its data before ending the association.
+angle::Result TextureStorage11_3D::releaseAssociatedImage(const gl::Context *context,
+                                                          const gl::ImageIndex &index,
+                                                          Image11 *incomingImage)
+{
+    const GLint level = index.getLevelIndex();
+
+    ASSERT((0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS));
+
+    if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        // No need to let the old Image recover its data, if it is also the incoming Image.
+        if (mAssociatedImages[level] != nullptr && mAssociatedImages[level] != incomingImage)
+        {
+            // Ensure that the Image is still associated with this TextureStorage.
+            mAssociatedImages[level]->verifyAssociatedStorageValid(this);
+
+            // Force the image to recover from storage before its data is overwritten.
+            // This will reset mAssociatedImages[level] to nullptr too.
+            ANGLE_TRY(mAssociatedImages[level]->recoverFromAssociatedStorage(context));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::getResource(const gl::Context *context,
+                                               const TextureHelper11 **outResource)
+{
+    // If the width, height or depth are not positive this should be treated as an incomplete
+    // texture. We handle that here by skipping the d3d texture creation.
+    if (!mTexture.valid() && mTextureWidth > 0 && mTextureHeight > 0 && mTextureDepth > 0)
+    {
+        ASSERT(mMipLevels > 0);
+
+        D3D11_TEXTURE3D_DESC desc;
+        desc.Width     = mTextureWidth;
+        desc.Height    = mTextureHeight;
+        desc.Depth     = mTextureDepth;
+        desc.MipLevels = mMipLevels;
+        desc.Format    = isUnorderedAccess() ? mFormatInfo.typelessFormat : mFormatInfo.texFormat;
+        desc.Usage     = D3D11_USAGE_DEFAULT;
+        desc.BindFlags = getBindFlags();
+        desc.CPUAccessFlags = 0;
+        desc.MiscFlags      = getMiscFlags();
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, mFormatInfo,
+                                             &mTexture));
+        mTexture.setLabels("TexStorage3D.Texture", &mKHRDebugLabel);
+    }
+
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::createSRVForSampler(const gl::Context *context,
+                                                       int baseLevel,
+                                                       int mipLevels,
+                                                       DXGI_FORMAT format,
+                                                       const TextureHelper11 &texture,
+                                                       d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                    = format;
+    srvDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE3D;
+    srvDesc.Texture3D.MostDetailedMip = baseLevel;
+    srvDesc.Texture3D.MipLevels       = mipLevels;
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage3D.SRV", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::createSRVForImage(const gl::Context *context,
+                                                     int level,
+                                                     DXGI_FORMAT format,
+                                                     const TextureHelper11 &texture,
+                                                     d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                    = format;
+    srvDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE3D;
+    srvDesc.Texture3D.MostDetailedMip = mTopLevel + level;
+    srvDesc.Texture3D.MipLevels       = 1;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage3D.SRVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::createUAVForImage(const gl::Context *context,
+                                                     int level,
+                                                     DXGI_FORMAT format,
+                                                     const TextureHelper11 &texture,
+                                                     d3d11::SharedUAV *outUAV)
+{
+    ASSERT(outUAV);
+    D3D11_UNORDERED_ACCESS_VIEW_DESC uavDesc;
+    uavDesc.Format                = format;
+    uavDesc.ViewDimension         = D3D11_UAV_DIMENSION_TEXTURE3D;
+    uavDesc.Texture3D.MipSlice    = mTopLevel + level;
+    uavDesc.Texture3D.FirstWSlice = 0;
+    uavDesc.Texture3D.WSize       = mTextureDepth;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), uavDesc, texture.get(), outUAV));
+    outUAV->setLabels("TexStorage3D.UAVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::findRenderTarget(const gl::Context *context,
+                                                    const gl::ImageIndex &index,
+                                                    GLsizei samples,
+                                                    RenderTargetD3D **outRT) const
+{
+    const int mipLevel = index.getLevelIndex();
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+
+    if (!index.hasLayer())
+    {
+        ASSERT(outRT);
+        *outRT = mLevelRenderTargets[mipLevel].get();
+        return angle::Result::Continue;
+    }
+
+    const int layer = index.getLayerIndex();
+
+    LevelLayerKey key(mipLevel, layer);
+    if (mLevelLayerRenderTargets.find(key) == mLevelLayerRenderTargets.end())
+    {
+        ASSERT(outRT);
+        *outRT = nullptr;
+        return angle::Result::Continue;
+    }
+
+    ASSERT(outRT);
+    *outRT = mLevelLayerRenderTargets.at(key).get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::getRenderTarget(const gl::Context *context,
+                                                   const gl::ImageIndex &index,
+                                                   GLsizei samples,
+                                                   RenderTargetD3D **outRT)
+{
+    const int mipLevel = index.getLevelIndex();
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+
+    ASSERT(mFormatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN);
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (!index.hasLayer())
+    {
+        if (!mLevelRenderTargets[mipLevel])
+        {
+            const TextureHelper11 *texture = nullptr;
+            ANGLE_TRY(getResource(context, &texture));
+
+            const d3d11::SharedSRV *srv = nullptr;
+            ANGLE_TRY(getSRVLevel(context, mipLevel, SRVType::Sample, &srv));
+
+            const d3d11::SharedSRV *blitSRV = nullptr;
+            ANGLE_TRY(getSRVLevel(context, mipLevel, SRVType::Blit, &blitSRV));
+
+            D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+            rtvDesc.Format                = mFormatInfo.rtvFormat;
+            rtvDesc.ViewDimension         = D3D11_RTV_DIMENSION_TEXTURE3D;
+            rtvDesc.Texture3D.MipSlice    = mTopLevel + mipLevel;
+            rtvDesc.Texture3D.FirstWSlice = 0;
+            rtvDesc.Texture3D.WSize       = static_cast<UINT>(-1);
+
+            d3d11::RenderTargetView rtv;
+            ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, texture->get(), &rtv));
+            rtv.setLabels("TexStorage3D.RTV", &mKHRDebugLabel);
+
+            mLevelRenderTargets[mipLevel].reset(new TextureRenderTarget11(
+                std::move(rtv), *texture, *srv, *blitSRV, mFormatInfo.internalFormat,
+                getFormatSet(), getLevelWidth(mipLevel), getLevelHeight(mipLevel),
+                getLevelDepth(mipLevel), 0));
+        }
+
+        ASSERT(outRT);
+        *outRT = mLevelRenderTargets[mipLevel].get();
+        return angle::Result::Continue;
+    }
+
+    const int layer = index.getLayerIndex();
+
+    LevelLayerKey key(mipLevel, layer);
+    if (mLevelLayerRenderTargets.find(key) == mLevelLayerRenderTargets.end())
+    {
+        const TextureHelper11 *texture = nullptr;
+        ANGLE_TRY(getResource(context, &texture));
+
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format                = mFormatInfo.rtvFormat;
+        rtvDesc.ViewDimension         = D3D11_RTV_DIMENSION_TEXTURE3D;
+        rtvDesc.Texture3D.MipSlice    = mTopLevel + mipLevel;
+        rtvDesc.Texture3D.FirstWSlice = layer;
+        rtvDesc.Texture3D.WSize       = 1;
+
+        const d3d11::SharedSRV *srv = nullptr;
+        ANGLE_TRY(getSRVLevel(context, mipLevel, SRVType::Sample, &srv));
+
+        const d3d11::SharedSRV *blitSRV = nullptr;
+        ANGLE_TRY(getSRVLevel(context, mipLevel, SRVType::Blit, &blitSRV));
+
+        d3d11::RenderTargetView rtv;
+        ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, texture->get(), &rtv));
+        rtv.setLabels("TexStorage3D.LayerRTV", &mKHRDebugLabel);
+
+        mLevelLayerRenderTargets[key].reset(new TextureRenderTarget11(
+            std::move(rtv), *texture, *srv, *blitSRV, mFormatInfo.internalFormat, getFormatSet(),
+            getLevelWidth(mipLevel), getLevelHeight(mipLevel), 1, 0));
+    }
+
+    ASSERT(outRT);
+    *outRT = mLevelLayerRenderTargets[key].get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::getSwizzleTexture(const gl::Context *context,
+                                                     const TextureHelper11 **outTexture)
+{
+    ASSERT(outTexture);
+
+    if (!mSwizzleTexture.valid())
+    {
+        const auto &format = mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps());
+
+        D3D11_TEXTURE3D_DESC desc;
+        desc.Width          = mTextureWidth;
+        desc.Height         = mTextureHeight;
+        desc.Depth          = mTextureDepth;
+        desc.MipLevels      = mMipLevels;
+        desc.Format         = format.texFormat;
+        desc.Usage          = D3D11_USAGE_DEFAULT;
+        desc.BindFlags      = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
+        desc.CPUAccessFlags = 0;
+        desc.MiscFlags      = 0;
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, format,
+                                             &mSwizzleTexture));
+        mSwizzleTexture.setLabels("TexStorage3D.SwizzleTexture", &mKHRDebugLabel);
+    }
+
+    *outTexture = &mSwizzleTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_3D::getSwizzleRenderTarget(const gl::Context *context,
+                                                          int mipLevel,
+                                                          const d3d11::RenderTargetView **outRTV)
+{
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+    ASSERT(outRTV);
+
+    if (!mSwizzleRenderTargets[mipLevel].valid())
+    {
+        const TextureHelper11 *swizzleTexture = nullptr;
+        ANGLE_TRY(getSwizzleTexture(context, &swizzleTexture));
+
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format =
+            mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps()).rtvFormat;
+        rtvDesc.ViewDimension         = D3D11_RTV_DIMENSION_TEXTURE3D;
+        rtvDesc.Texture3D.MipSlice    = mTopLevel + mipLevel;
+        rtvDesc.Texture3D.FirstWSlice = 0;
+        rtvDesc.Texture3D.WSize       = static_cast<UINT>(-1);
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), rtvDesc,
+                                              mSwizzleTexture.get(),
+                                              &mSwizzleRenderTargets[mipLevel]));
+        mSwizzleRenderTargets[mipLevel].setLabels("TexStorage3D.SwizzleRTV", &mKHRDebugLabel);
+    }
+
+    *outRTV = &mSwizzleRenderTargets[mipLevel];
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_3D::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+    if (mSwizzleTexture.valid())
+    {
+        mSwizzleTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+TextureStorage11_2DArray::TextureStorage11_2DArray(Renderer11 *renderer,
+                                                   GLenum internalformat,
+                                                   BindFlags bindFlags,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   GLsizei depth,
+                                                   int levels,
+                                                   const std::string &label)
+    : TextureStorage11(
+          renderer,
+          GetTextureBindFlags(internalformat, renderer->getRenderer11DeviceCaps(), bindFlags),
+          GetTextureMiscFlags(internalformat,
+                              renderer->getRenderer11DeviceCaps(),
+                              bindFlags,
+                              levels),
+          internalformat,
+          label)
+{
+    // adjust size if needed for compressed textures
+    d3d11::MakeValidSize(false, mFormatInfo.texFormat, &width, &height, &mTopLevel);
+
+    mMipLevels     = mTopLevel + levels;
+    mTextureWidth  = width;
+    mTextureHeight = height;
+    mTextureDepth  = depth;
+}
+
+angle::Result TextureStorage11_2DArray::onDestroy(const gl::Context *context)
+{
+    for (auto iter : mAssociatedImages)
+    {
+        if (iter.second)
+        {
+            iter.second->verifyAssociatedStorageValid(this);
+
+            // We must let the Images recover their data before we delete it from the
+            // TextureStorage.
+            ANGLE_TRY(iter.second->recoverFromAssociatedStorage(context));
+        }
+    }
+    mAssociatedImages.clear();
+
+    return angle::Result::Continue;
+}
+
+TextureStorage11_2DArray::~TextureStorage11_2DArray() {}
+
+void TextureStorage11_2DArray::associateImage(Image11 *image, const gl::ImageIndex &index)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.getLayerIndex();
+    const GLint numLayers   = index.getLayerCount();
+
+    ASSERT(0 <= level && level < getLevelCount());
+
+    if (0 <= level && level < getLevelCount())
+    {
+        LevelLayerRangeKey key(level, layerTarget, numLayers);
+        mAssociatedImages[key] = image;
+    }
+}
+
+void TextureStorage11_2DArray::verifyAssociatedImageValid(const gl::ImageIndex &index,
+                                                          Image11 *expectedImage)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.getLayerIndex();
+    const GLint numLayers   = index.getLayerCount();
+
+    LevelLayerRangeKey key(level, layerTarget, numLayers);
+
+    // This validation check should never return false. It means the Image/TextureStorage
+    // association is broken.
+    bool retValue = (mAssociatedImages.find(key) != mAssociatedImages.end() &&
+                     (mAssociatedImages[key] == expectedImage));
+    ASSERT(retValue);
+}
+
+// disassociateImage allows an Image to end its association with a Storage.
+void TextureStorage11_2DArray::disassociateImage(const gl::ImageIndex &index,
+                                                 Image11 *expectedImage)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.getLayerIndex();
+    const GLint numLayers   = index.getLayerCount();
+
+    LevelLayerRangeKey key(level, layerTarget, numLayers);
+
+    bool imageAssociationCorrect = (mAssociatedImages.find(key) != mAssociatedImages.end() &&
+                                    (mAssociatedImages[key] == expectedImage));
+    ASSERT(imageAssociationCorrect);
+    mAssociatedImages[key] = nullptr;
+}
+
+// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image
+// recover its data before ending the association.
+angle::Result TextureStorage11_2DArray::releaseAssociatedImage(const gl::Context *context,
+                                                               const gl::ImageIndex &index,
+                                                               Image11 *incomingImage)
+{
+    const GLint level       = index.getLevelIndex();
+    const GLint layerTarget = index.getLayerIndex();
+    const GLint numLayers   = index.getLayerCount();
+
+    LevelLayerRangeKey key(level, layerTarget, numLayers);
+
+    if (mAssociatedImages.find(key) != mAssociatedImages.end())
+    {
+        if (mAssociatedImages[key] != nullptr && mAssociatedImages[key] != incomingImage)
+        {
+            // Ensure that the Image is still associated with this TextureStorage.
+            mAssociatedImages[key]->verifyAssociatedStorageValid(this);
+
+            // Force the image to recover from storage before its data is overwritten.
+            // This will reset mAssociatedImages[level] to nullptr too.
+            ANGLE_TRY(mAssociatedImages[key]->recoverFromAssociatedStorage(context));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::getResource(const gl::Context *context,
+                                                    const TextureHelper11 **outResource)
+{
+    // if the width, height or depth is not positive this should be treated as an incomplete texture
+    // we handle that here by skipping the d3d texture creation
+    if (!mTexture.valid() && mTextureWidth > 0 && mTextureHeight > 0 && mTextureDepth > 0)
+    {
+        ASSERT(mMipLevels > 0);
+
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width     = mTextureWidth;
+        desc.Height    = mTextureHeight;
+        desc.MipLevels = mMipLevels;
+        desc.ArraySize = mTextureDepth;
+        desc.Format    = isUnorderedAccess() ? mFormatInfo.typelessFormat : mFormatInfo.texFormat;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.BindFlags          = getBindFlags();
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = getMiscFlags();
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, mFormatInfo,
+                                             &mTexture));
+        mTexture.setLabels("TexStorage2DArray.Texture", &mKHRDebugLabel);
+    }
+
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::createSRVForSampler(const gl::Context *context,
+                                                            int baseLevel,
+                                                            int mipLevels,
+                                                            DXGI_FORMAT format,
+                                                            const TextureHelper11 &texture,
+                                                            d3d11::SharedSRV *outSRV)
+{
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                         = format;
+    srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+    srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + baseLevel;
+    srvDesc.Texture2DArray.MipLevels       = mipLevels;
+    srvDesc.Texture2DArray.FirstArraySlice = 0;
+    srvDesc.Texture2DArray.ArraySize       = mTextureDepth;
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage2DArray.SRV", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::createSRVForImage(const gl::Context *context,
+                                                          int level,
+                                                          DXGI_FORMAT format,
+                                                          const TextureHelper11 &texture,
+                                                          d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                         = format;
+    srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+    srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + level;
+    srvDesc.Texture2DArray.MipLevels       = 1;
+    srvDesc.Texture2DArray.FirstArraySlice = 0;
+    srvDesc.Texture2DArray.ArraySize       = mTextureDepth;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage2DArray.SRVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::createUAVForImage(const gl::Context *context,
+                                                          int level,
+                                                          DXGI_FORMAT format,
+                                                          const TextureHelper11 &texture,
+                                                          d3d11::SharedUAV *outUAV)
+{
+    ASSERT(outUAV);
+    D3D11_UNORDERED_ACCESS_VIEW_DESC uavDesc;
+    uavDesc.Format                         = format;
+    uavDesc.ViewDimension                  = D3D11_UAV_DIMENSION_TEXTURE2DARRAY;
+    uavDesc.Texture2DArray.MipSlice        = mTopLevel + level;
+    uavDesc.Texture2DArray.FirstArraySlice = 0;
+    uavDesc.Texture2DArray.ArraySize       = mTextureDepth;
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), uavDesc, texture.get(), outUAV));
+    outUAV->setLabels("TexStorage2DArray.UAVForImage", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::findRenderTarget(const gl::Context *context,
+                                                         const gl::ImageIndex &index,
+                                                         GLsizei samples,
+                                                         RenderTargetD3D **outRT) const
+{
+    ASSERT(index.hasLayer());
+
+    const int mipLevel  = index.getLevelIndex();
+    const int layer     = index.getLayerIndex();
+    const int numLayers = index.getLayerCount();
+
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+
+    LevelLayerRangeKey key(mipLevel, layer, numLayers);
+    if (mRenderTargets.find(key) == mRenderTargets.end())
+    {
+        ASSERT(outRT);
+        *outRT = nullptr;
+        return angle::Result::Continue;
+    }
+
+    ASSERT(outRT);
+    *outRT = mRenderTargets.at(key).get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::createRenderTargetSRV(const gl::Context *context,
+                                                              const TextureHelper11 &texture,
+                                                              const gl::ImageIndex &index,
+                                                              DXGI_FORMAT resourceFormat,
+                                                              d3d11::SharedSRV *srv) const
+{
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                         = resourceFormat;
+    srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
+    srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + index.getLevelIndex();
+    srvDesc.Texture2DArray.MipLevels       = 1;
+    srvDesc.Texture2DArray.FirstArraySlice = index.getLayerIndex();
+    srvDesc.Texture2DArray.ArraySize       = index.getLayerCount();
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), srv));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::getRenderTarget(const gl::Context *context,
+                                                        const gl::ImageIndex &index,
+                                                        GLsizei samples,
+                                                        RenderTargetD3D **outRT)
+{
+    ASSERT(index.hasLayer());
+
+    const int mipLevel  = index.getLevelIndex();
+    const int layer     = index.getLayerIndex();
+    const int numLayers = index.getLayerCount();
+
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+
+    LevelLayerRangeKey key(mipLevel, layer, numLayers);
+    if (mRenderTargets.find(key) == mRenderTargets.end())
+    {
+        const TextureHelper11 *texture = nullptr;
+        ANGLE_TRY(getResource(context, &texture));
+        d3d11::SharedSRV srv;
+        ANGLE_TRY(createRenderTargetSRV(context, *texture, index, mFormatInfo.srvFormat, &srv));
+        d3d11::SharedSRV blitSRV;
+        if (mFormatInfo.blitSRVFormat != mFormatInfo.srvFormat)
+        {
+            ANGLE_TRY(createRenderTargetSRV(context, *texture, index, mFormatInfo.blitSRVFormat,
+                                            &blitSRV));
+        }
+        else
+        {
+            blitSRV = srv.makeCopy();
+        }
+
+        srv.setLabels("TexStorage2DArray.RenderTargetSRV", &mKHRDebugLabel);
+
+        if (mFormatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
+        {
+            D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+            rtvDesc.Format                         = mFormatInfo.rtvFormat;
+            rtvDesc.ViewDimension                  = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
+            rtvDesc.Texture2DArray.MipSlice        = mTopLevel + mipLevel;
+            rtvDesc.Texture2DArray.FirstArraySlice = layer;
+            rtvDesc.Texture2DArray.ArraySize       = numLayers;
+
+            d3d11::RenderTargetView rtv;
+            ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), rtvDesc,
+                                                  texture->get(), &rtv));
+            rtv.setLabels("TexStorage2DArray.RenderTargetRTV", &mKHRDebugLabel);
+
+            mRenderTargets[key].reset(new TextureRenderTarget11(
+                std::move(rtv), *texture, srv, blitSRV, mFormatInfo.internalFormat, getFormatSet(),
+                getLevelWidth(mipLevel), getLevelHeight(mipLevel), 1, 0));
+        }
+        else
+        {
+            ASSERT(mFormatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN);
+
+            D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+            dsvDesc.Format                         = mFormatInfo.dsvFormat;
+            dsvDesc.ViewDimension                  = D3D11_DSV_DIMENSION_TEXTURE2DARRAY;
+            dsvDesc.Texture2DArray.MipSlice        = mTopLevel + mipLevel;
+            dsvDesc.Texture2DArray.FirstArraySlice = layer;
+            dsvDesc.Texture2DArray.ArraySize       = numLayers;
+            dsvDesc.Flags                          = 0;
+
+            d3d11::DepthStencilView dsv;
+            ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), dsvDesc,
+                                                  texture->get(), &dsv));
+            dsv.setLabels("TexStorage2DArray.RenderTargetDSV", &mKHRDebugLabel);
+
+            mRenderTargets[key].reset(new TextureRenderTarget11(
+                std::move(dsv), *texture, srv, mFormatInfo.internalFormat, getFormatSet(),
+                getLevelWidth(mipLevel), getLevelHeight(mipLevel), 1, 0));
+        }
+    }
+
+    ASSERT(outRT);
+    *outRT = mRenderTargets[key].get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::getSwizzleTexture(const gl::Context *context,
+                                                          const TextureHelper11 **outTexture)
+{
+    if (!mSwizzleTexture.valid())
+    {
+        const auto &format = mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps());
+
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width              = mTextureWidth;
+        desc.Height             = mTextureHeight;
+        desc.MipLevels          = mMipLevels;
+        desc.ArraySize          = mTextureDepth;
+        desc.Format             = format.texFormat;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_DEFAULT;
+        desc.BindFlags          = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
+        desc.CPUAccessFlags     = 0;
+        desc.MiscFlags          = 0;
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, format,
+                                             &mSwizzleTexture));
+        mSwizzleTexture.setLabels("TexStorage2DArray.SwizzleTexture", &mKHRDebugLabel);
+    }
+
+    *outTexture = &mSwizzleTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::getSwizzleRenderTarget(
+    const gl::Context *context,
+    int mipLevel,
+    const d3d11::RenderTargetView **outRTV)
+{
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+    ASSERT(outRTV);
+
+    if (!mSwizzleRenderTargets[mipLevel].valid())
+    {
+        const TextureHelper11 *swizzleTexture = nullptr;
+        ANGLE_TRY(getSwizzleTexture(context, &swizzleTexture));
+
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format =
+            mFormatInfo.getSwizzleFormat(mRenderer->getRenderer11DeviceCaps()).rtvFormat;
+        rtvDesc.ViewDimension                  = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
+        rtvDesc.Texture2DArray.MipSlice        = mTopLevel + mipLevel;
+        rtvDesc.Texture2DArray.FirstArraySlice = 0;
+        rtvDesc.Texture2DArray.ArraySize       = mTextureDepth;
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), rtvDesc,
+                                              mSwizzleTexture.get(),
+                                              &mSwizzleRenderTargets[mipLevel]));
+    }
+
+    *outRTV = &mSwizzleRenderTargets[mipLevel];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DArray::ensureDropStencilTexture(const gl::Context *context,
+                                                                 DropStencil *dropStencilOut)
+{
+    if (mDropStencilTexture.valid())
+    {
+        *dropStencilOut = DropStencil::ALREADY_EXISTS;
+        return angle::Result::Continue;
+    }
+
+    D3D11_TEXTURE2D_DESC dropDesc = {};
+    dropDesc.ArraySize            = mTextureDepth;
+    dropDesc.BindFlags            = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_DEPTH_STENCIL;
+    dropDesc.CPUAccessFlags       = 0;
+    dropDesc.Format               = DXGI_FORMAT_R32_TYPELESS;
+    dropDesc.Height               = mTextureHeight;
+    dropDesc.MipLevels            = mMipLevels;
+    dropDesc.MiscFlags            = 0;
+    dropDesc.SampleDesc.Count     = 1;
+    dropDesc.SampleDesc.Quality   = 0;
+    dropDesc.Usage                = D3D11_USAGE_DEFAULT;
+    dropDesc.Width                = mTextureWidth;
+
+    const auto &format =
+        d3d11::Format::Get(GL_DEPTH_COMPONENT32F, mRenderer->getRenderer11DeviceCaps());
+    ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), dropDesc, format,
+                                         &mDropStencilTexture));
+    mDropStencilTexture.setLabels("TexStorage2DArray.DropStencil", &mKHRDebugLabel);
+
+    std::vector<GLsizei> layerCounts(mMipLevels, mTextureDepth);
+
+    ANGLE_TRY(initDropStencilTexture(
+        context, gl::ImageIndexIterator::Make2DArray(0, mMipLevels, layerCounts.data())));
+
+    *dropStencilOut = DropStencil::CREATED;
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_2DArray::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+    if (mSwizzleTexture.valid())
+    {
+        mSwizzleTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+TextureStorage11_2DMultisample::TextureStorage11_2DMultisample(Renderer11 *renderer,
+                                                               GLenum internalformat,
+                                                               GLsizei width,
+                                                               GLsizei height,
+                                                               int levels,
+                                                               int samples,
+                                                               bool fixedSampleLocations,
+                                                               const std::string &label)
+    : TextureStorage11ImmutableBase(renderer,
+                                    GetTextureBindFlags(internalformat,
+                                                        renderer->getRenderer11DeviceCaps(),
+                                                        BindFlags::RenderTarget()),
+                                    GetTextureMiscFlags(internalformat,
+                                                        renderer->getRenderer11DeviceCaps(),
+                                                        BindFlags::RenderTarget(),
+                                                        levels),
+                                    internalformat,
+                                    label),
+      mTexture(),
+      mRenderTarget(nullptr)
+{
+    // There are no multisampled compressed formats, so there's no need to adjust texture size
+    // according to block size.
+    ASSERT(d3d11::GetDXGIFormatSizeInfo(mFormatInfo.texFormat).blockWidth <= 1);
+    ASSERT(d3d11::GetDXGIFormatSizeInfo(mFormatInfo.texFormat).blockHeight <= 1);
+
+    mMipLevels            = 1;
+    mTextureWidth         = width;
+    mTextureHeight        = height;
+    mTextureDepth         = 1;
+    mSamples              = samples;
+    mFixedSampleLocations = fixedSampleLocations;
+}
+
+angle::Result TextureStorage11_2DMultisample::onDestroy(const gl::Context *context)
+{
+    mRenderTarget.reset();
+    return angle::Result::Continue;
+}
+
+TextureStorage11_2DMultisample::~TextureStorage11_2DMultisample() {}
+
+angle::Result TextureStorage11_2DMultisample::copyToStorage(const gl::Context *context,
+                                                            TextureStorage *destStorage)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_2DMultisample::getResource(const gl::Context *context,
+                                                          const TextureHelper11 **outResource)
+{
+    ANGLE_TRY(ensureTextureExists(context, 1));
+
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisample::ensureTextureExists(const gl::Context *context,
+                                                                  int mipLevels)
+{
+    // For Multisampled textures, mipLevels always equals 1.
+    ASSERT(mipLevels == 1);
+
+    // if the width or height is not positive this should be treated as an incomplete texture
+    // we handle that here by skipping the d3d texture creation
+    if (!mTexture.valid() && mTextureWidth > 0 && mTextureHeight > 0)
+    {
+        D3D11_TEXTURE2D_DESC desc;
+        ZeroMemory(&desc, sizeof(desc));
+        desc.Width          = mTextureWidth;  // Compressed texture size constraints?
+        desc.Height         = mTextureHeight;
+        desc.MipLevels      = mipLevels;
+        desc.ArraySize      = 1;
+        desc.Format         = mFormatInfo.texFormat;
+        desc.Usage          = D3D11_USAGE_DEFAULT;
+        desc.BindFlags      = getBindFlags() & ~D3D11_BIND_UNORDERED_ACCESS;
+        desc.CPUAccessFlags = 0;
+        desc.MiscFlags      = getMiscFlags();
+
+        const gl::TextureCaps &textureCaps =
+            mRenderer->getNativeTextureCaps().get(mFormatInfo.internalFormat);
+        GLuint supportedSamples = textureCaps.getNearestSamples(mSamples);
+        desc.SampleDesc.Count   = (supportedSamples == 0) ? 1 : supportedSamples;
+        desc.SampleDesc.Quality = mRenderer->getSampleDescQuality(supportedSamples);
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, mFormatInfo,
+                                             &mTexture));
+        mTexture.setLabels("TexStorage2DMS.Texture", &mKHRDebugLabel);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisample::findRenderTarget(const gl::Context *context,
+                                                               const gl::ImageIndex &index,
+                                                               GLsizei samples,
+                                                               RenderTargetD3D **outRT) const
+{
+    ASSERT(!index.hasLayer());
+
+    const int level = index.getLevelIndex();
+    ASSERT(level == 0);
+
+    ASSERT(outRT);
+    *outRT = mRenderTarget.get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisample::getRenderTarget(const gl::Context *context,
+                                                              const gl::ImageIndex &index,
+                                                              GLsizei samples,
+                                                              RenderTargetD3D **outRT)
+{
+    ASSERT(!index.hasLayer());
+
+    const int level = index.getLevelIndex();
+    ASSERT(level == 0);
+
+    ASSERT(outRT);
+    if (mRenderTarget)
+    {
+        *outRT = mRenderTarget.get();
+        return angle::Result::Continue;
+    }
+
+    const TextureHelper11 *texture = nullptr;
+    ANGLE_TRY(getResource(context, &texture));
+
+    const d3d11::SharedSRV *srv = nullptr;
+    ANGLE_TRY(getSRVLevel(context, level, SRVType::Sample, &srv));
+
+    const d3d11::SharedSRV *blitSRV = nullptr;
+    ANGLE_TRY(getSRVLevel(context, level, SRVType::Blit, &blitSRV));
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+
+    if (mFormatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+        rtvDesc.Format        = mFormatInfo.rtvFormat;
+        rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DMS;
+
+        d3d11::RenderTargetView rtv;
+        ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, texture->get(), &rtv));
+
+        mRenderTarget.reset(new TextureRenderTarget11(
+            std::move(rtv), *texture, *srv, *blitSRV, mFormatInfo.internalFormat, getFormatSet(),
+            getLevelWidth(level), getLevelHeight(level), 1, mSamples));
+
+        *outRT = mRenderTarget.get();
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mFormatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN);
+
+    D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+    dsvDesc.Format        = mFormatInfo.dsvFormat;
+    dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2DMS;
+    dsvDesc.Flags         = 0;
+
+    d3d11::DepthStencilView dsv;
+    ANGLE_TRY(mRenderer->allocateResource(context11, dsvDesc, texture->get(), &dsv));
+
+    mRenderTarget.reset(new TextureRenderTarget11(
+        std::move(dsv), *texture, *srv, mFormatInfo.internalFormat, getFormatSet(),
+        getLevelWidth(level), getLevelHeight(level), 1, mSamples));
+
+    *outRT = mRenderTarget.get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisample::createSRVForSampler(const gl::Context *context,
+                                                                  int baseLevel,
+                                                                  int mipLevels,
+                                                                  DXGI_FORMAT format,
+                                                                  const TextureHelper11 &texture,
+                                                                  d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format        = format;
+    srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DMS;
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage2DMS.SRV", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisample::getSwizzleTexture(const gl::Context *context,
+                                                                const TextureHelper11 **outTexture)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_2DMultisample::getSwizzleRenderTarget(
+    const gl::Context *context,
+    int mipLevel,
+    const d3d11::RenderTargetView **outRTV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_2DMultisample::ensureDropStencilTexture(const gl::Context *context,
+                                                                       DropStencil *dropStencilOut)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+void TextureStorage11_2DMultisample::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+TextureStorage11_2DMultisampleArray::TextureStorage11_2DMultisampleArray(Renderer11 *renderer,
+                                                                         GLenum internalformat,
+                                                                         GLsizei width,
+                                                                         GLsizei height,
+                                                                         GLsizei depth,
+                                                                         int levels,
+                                                                         int samples,
+                                                                         bool fixedSampleLocations,
+                                                                         const std::string &label)
+    : TextureStorage11ImmutableBase(renderer,
+                                    GetTextureBindFlags(internalformat,
+                                                        renderer->getRenderer11DeviceCaps(),
+                                                        BindFlags::RenderTarget()),
+                                    GetTextureMiscFlags(internalformat,
+                                                        renderer->getRenderer11DeviceCaps(),
+                                                        BindFlags::RenderTarget(),
+                                                        levels),
+                                    internalformat,
+                                    label),
+      mTexture()
+{
+    // There are no multisampled compressed formats, so there's no need to adjust texture size
+    // according to block size.
+    ASSERT(d3d11::GetDXGIFormatSizeInfo(mFormatInfo.texFormat).blockWidth <= 1);
+    ASSERT(d3d11::GetDXGIFormatSizeInfo(mFormatInfo.texFormat).blockHeight <= 1);
+
+    mMipLevels            = 1;
+    mTextureWidth         = width;
+    mTextureHeight        = height;
+    mTextureDepth         = depth;
+    mSamples              = samples;
+    mFixedSampleLocations = fixedSampleLocations;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::onDestroy(const gl::Context *context)
+{
+    return angle::Result::Continue;
+}
+
+TextureStorage11_2DMultisampleArray::~TextureStorage11_2DMultisampleArray() {}
+
+angle::Result TextureStorage11_2DMultisampleArray::copyToStorage(const gl::Context *context,
+                                                                 TextureStorage *destStorage)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::getResource(const gl::Context *context,
+                                                               const TextureHelper11 **outResource)
+{
+    ANGLE_TRY(ensureTextureExists(context, 1));
+
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::ensureTextureExists(const gl::Context *context,
+                                                                       int mipLevels)
+{
+    // For multisampled textures, mipLevels always equals 1.
+    ASSERT(mipLevels == 1);
+
+    // if the width or height is not positive this should be treated as an incomplete texture
+    // we handle that here by skipping the d3d texture creation
+    if (!mTexture.valid() && mTextureWidth > 0 && mTextureHeight > 0)
+    {
+        D3D11_TEXTURE2D_DESC desc;
+        ZeroMemory(&desc, sizeof(desc));
+        desc.Width          = mTextureWidth;
+        desc.Height         = mTextureHeight;
+        desc.MipLevels      = mipLevels;
+        desc.ArraySize      = mTextureDepth;
+        desc.Format         = mFormatInfo.texFormat;
+        desc.Usage          = D3D11_USAGE_DEFAULT;
+        desc.BindFlags      = getBindFlags() & ~D3D11_BIND_UNORDERED_ACCESS;
+        desc.CPUAccessFlags = 0;
+        desc.MiscFlags      = getMiscFlags();
+
+        const gl::TextureCaps &textureCaps =
+            mRenderer->getNativeTextureCaps().get(mFormatInfo.internalFormat);
+        GLuint supportedSamples = textureCaps.getNearestSamples(mSamples);
+        desc.SampleDesc.Count   = (supportedSamples == 0) ? 1 : supportedSamples;
+        desc.SampleDesc.Quality = mRenderer->getSampleDescQuality(supportedSamples);
+
+        ANGLE_TRY(mRenderer->allocateTexture(GetImplAs<Context11>(context), desc, mFormatInfo,
+                                             &mTexture));
+        mTexture.setLabels("TexStorage2DMSArray.Texture", &mKHRDebugLabel);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::findRenderTarget(const gl::Context *context,
+                                                                    const gl::ImageIndex &index,
+                                                                    GLsizei samples,
+                                                                    RenderTargetD3D **outRT) const
+{
+    ASSERT(index.hasLayer());
+
+    const int mipLevel = index.getLevelIndex();
+    ASSERT(mipLevel == 0);
+    const int layer     = index.getLayerIndex();
+    const int numLayers = index.getLayerCount();
+
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+
+    TextureStorage11_2DArray::LevelLayerRangeKey key(mipLevel, layer, numLayers);
+    if (mRenderTargets.find(key) == mRenderTargets.end())
+    {
+        ASSERT(outRT);
+        *outRT = nullptr;
+        return angle::Result::Continue;
+    }
+
+    ASSERT(outRT);
+    *outRT = mRenderTargets.at(key).get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::createRenderTargetSRV(
+    const gl::Context *context,
+    const TextureHelper11 &texture,
+    const gl::ImageIndex &index,
+    DXGI_FORMAT resourceFormat,
+    d3d11::SharedSRV *srv) const
+{
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                           = resourceFormat;
+    srvDesc.ViewDimension                    = D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY;
+    srvDesc.Texture2DMSArray.FirstArraySlice = index.getLayerIndex();
+    srvDesc.Texture2DMSArray.ArraySize       = index.getLayerCount();
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), srv));
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::getRenderTarget(const gl::Context *context,
+                                                                   const gl::ImageIndex &index,
+                                                                   GLsizei samples,
+                                                                   RenderTargetD3D **outRT)
+{
+    ASSERT(index.hasLayer());
+
+    const int mipLevel = index.getLevelIndex();
+    ASSERT(mipLevel == 0);
+    const int layer     = index.getLayerIndex();
+    const int numLayers = index.getLayerCount();
+
+    ASSERT(mipLevel >= 0 && mipLevel < getLevelCount());
+
+    TextureStorage11_2DArray::LevelLayerRangeKey key(mipLevel, layer, numLayers);
+    if (mRenderTargets.find(key) == mRenderTargets.end())
+    {
+        const TextureHelper11 *texture = nullptr;
+        ANGLE_TRY(getResource(context, &texture));
+        d3d11::SharedSRV srv;
+        ANGLE_TRY(createRenderTargetSRV(context, *texture, index, mFormatInfo.srvFormat, &srv));
+        d3d11::SharedSRV blitSRV;
+        if (mFormatInfo.blitSRVFormat != mFormatInfo.srvFormat)
+        {
+            ANGLE_TRY(createRenderTargetSRV(context, *texture, index, mFormatInfo.blitSRVFormat,
+                                            &blitSRV));
+        }
+        else
+        {
+            blitSRV = srv.makeCopy();
+        }
+
+        srv.setLabels("TexStorage2DMSArray.RenderTargetSRV", &mKHRDebugLabel);
+
+        if (mFormatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
+        {
+            D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
+            rtvDesc.Format                           = mFormatInfo.rtvFormat;
+            rtvDesc.ViewDimension                    = D3D11_RTV_DIMENSION_TEXTURE2DMSARRAY;
+            rtvDesc.Texture2DMSArray.FirstArraySlice = layer;
+            rtvDesc.Texture2DMSArray.ArraySize       = numLayers;
+
+            d3d11::RenderTargetView rtv;
+            ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), rtvDesc,
+                                                  texture->get(), &rtv));
+            rtv.setLabels("TexStorage2DMSArray.RenderTargetRTV", &mKHRDebugLabel);
+
+            mRenderTargets[key].reset(new TextureRenderTarget11(
+                std::move(rtv), *texture, srv, blitSRV, mFormatInfo.internalFormat, getFormatSet(),
+                getLevelWidth(mipLevel), getLevelHeight(mipLevel), 1, mSamples));
+        }
+        else
+        {
+            ASSERT(mFormatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN);
+
+            D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+            dsvDesc.Format                           = mFormatInfo.dsvFormat;
+            dsvDesc.ViewDimension                    = D3D11_DSV_DIMENSION_TEXTURE2DMSARRAY;
+            dsvDesc.Texture2DMSArray.FirstArraySlice = layer;
+            dsvDesc.Texture2DMSArray.ArraySize       = numLayers;
+            dsvDesc.Flags                            = 0;
+
+            d3d11::DepthStencilView dsv;
+            ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), dsvDesc,
+                                                  texture->get(), &dsv));
+            dsv.setLabels("TexStorage2DMSArray.RenderTargetDSV", &mKHRDebugLabel);
+
+            mRenderTargets[key].reset(new TextureRenderTarget11(
+                std::move(dsv), *texture, srv, mFormatInfo.internalFormat, getFormatSet(),
+                getLevelWidth(mipLevel), getLevelHeight(mipLevel), 1, mSamples));
+        }
+    }
+
+    ASSERT(outRT);
+    *outRT = mRenderTargets[key].get();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::createSRVForSampler(
+    const gl::Context *context,
+    int baseLevel,
+    int mipLevels,
+    DXGI_FORMAT format,
+    const TextureHelper11 &texture,
+    d3d11::SharedSRV *outSRV)
+{
+    ASSERT(outSRV);
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format                           = format;
+    srvDesc.ViewDimension                    = D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY;
+    srvDesc.Texture2DMSArray.FirstArraySlice = 0;
+    srvDesc.Texture2DMSArray.ArraySize       = mTextureDepth;
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexStorage2DMSArray.SRV", &mKHRDebugLabel);
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::getSwizzleTexture(
+    const gl::Context *context,
+    const TextureHelper11 **outTexture)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::getSwizzleRenderTarget(
+    const gl::Context *context,
+    int mipLevel,
+    const d3d11::RenderTargetView **outRTV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_2DMultisampleArray::ensureDropStencilTexture(
+    const gl::Context *context,
+    DropStencil *dropStencilOut)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+void TextureStorage11_2DMultisampleArray::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+TextureStorage11_Buffer::TextureStorage11_Buffer(Renderer11 *renderer,
+                                                 const gl::OffsetBindingPointer<gl::Buffer> &buffer,
+                                                 GLenum internalFormat,
+                                                 const std::string &label)
+    : TextureStorage11(renderer,
+                       D3D11_BIND_UNORDERED_ACCESS | D3D11_BIND_SHADER_RESOURCE,
+                       0,
+                       internalFormat,
+                       label),
+      mTexture(),
+      mBuffer(buffer),
+      mDataSize(GetBoundBufferAvailableSize(buffer))
+{
+    unsigned int bytesPerPixel =
+        static_cast<unsigned int>(d3d11::GetDXGIFormatSizeInfo(mFormatInfo.srvFormat).pixelBytes);
+    mMipLevels     = 1;
+    mTextureWidth  = static_cast<unsigned int>(mDataSize / bytesPerPixel);
+    mTextureHeight = 1;
+    mTextureDepth  = 1;
+}
+
+TextureStorage11_Buffer::~TextureStorage11_Buffer() {}
+
+angle::Result TextureStorage11_Buffer::initTexture(const gl::Context *context)
+{
+    if (!mTexture.valid())
+    {
+        ID3D11Buffer *buffer = nullptr;
+        Buffer11 *buffer11   = GetImplAs<Buffer11>(mBuffer.get());
+        ANGLE_TRY(buffer11->getBuffer(context, rx::BufferUsage::BUFFER_USAGE_TYPED_UAV, &buffer));
+        mTexture.set(buffer, mFormatInfo);
+        mTexture.get()->AddRef();
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Buffer::getResource(const gl::Context *context,
+                                                   const TextureHelper11 **outResource)
+{
+    ANGLE_TRY(initTexture(context));
+    *outResource = &mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Buffer::getMippedResource(const gl::Context *context,
+                                                         const TextureHelper11 **)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_Buffer::findRenderTarget(const gl::Context *context,
+                                                        const gl::ImageIndex &index,
+                                                        GLsizei samples,
+                                                        RenderTargetD3D **outRT) const
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_Buffer::getRenderTarget(const gl::Context *context,
+                                                       const gl::ImageIndex &index,
+                                                       GLsizei samples,
+                                                       RenderTargetD3D **outRT)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_Buffer::getSwizzleTexture(const gl::Context *context,
+                                                         const TextureHelper11 **outTexture)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_Buffer::getSwizzleRenderTarget(
+    const gl::Context *context,
+    int mipLevel,
+    const d3d11::RenderTargetView **outRTV)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context11>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage11_Buffer::createSRVForSampler(const gl::Context *context,
+                                                           int baseLevel,
+                                                           int mipLevels,
+                                                           DXGI_FORMAT format,
+                                                           const TextureHelper11 &texture,
+                                                           d3d11::SharedSRV *outSRV)
+{
+    ASSERT(baseLevel == 0);
+    ASSERT(mipLevels == 1);
+    ASSERT(outSRV);
+    ANGLE_TRY(initTexture(context));
+    UINT bytesPerPixel = static_cast<UINT>(d3d11::GetDXGIFormatSizeInfo(format).pixelBytes);
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format        = format;
+    srvDesc.ViewDimension = D3D11_SRV_DIMENSION_BUFFER;
+    ASSERT(mBuffer.getOffset() % bytesPerPixel == 0);
+    srvDesc.Buffer.FirstElement = static_cast<UINT>(mBuffer.getOffset() / bytesPerPixel);
+    srvDesc.Buffer.NumElements  = static_cast<UINT>(mDataSize / bytesPerPixel);
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexBuffer.SRV", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage11_Buffer::createSRVForImage(const gl::Context *context,
+                                                         int level,
+                                                         DXGI_FORMAT format,
+                                                         const TextureHelper11 &texture,
+                                                         d3d11::SharedSRV *outSRV)
+{
+    ANGLE_TRY(initTexture(context));
+    UINT bytesPerPixel = static_cast<UINT>(d3d11::GetDXGIFormatSizeInfo(format).pixelBytes);
+    D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
+    srvDesc.Format        = format;
+    srvDesc.ViewDimension = D3D11_SRV_DIMENSION_BUFFER;
+    ASSERT(mBuffer.getOffset() % bytesPerPixel == 0);
+    srvDesc.Buffer.FirstElement = static_cast<UINT>(mBuffer.getOffset() / bytesPerPixel);
+    srvDesc.Buffer.NumElements  = static_cast<UINT>(mDataSize / bytesPerPixel);
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), srvDesc, texture.get(), outSRV));
+    outSRV->setLabels("TexBuffer.SRVForImage", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+angle::Result TextureStorage11_Buffer::createUAVForImage(const gl::Context *context,
+                                                         int level,
+                                                         DXGI_FORMAT format,
+                                                         const TextureHelper11 &texture,
+                                                         d3d11::SharedUAV *outUAV)
+{
+    ANGLE_TRY(initTexture(context));
+    unsigned bytesPerPixel = d3d11::GetDXGIFormatSizeInfo(format).pixelBytes;
+    D3D11_UNORDERED_ACCESS_VIEW_DESC uavDesc;
+    uavDesc.Format        = format;
+    uavDesc.ViewDimension = D3D11_UAV_DIMENSION_BUFFER;
+    ASSERT(mBuffer.getOffset() % bytesPerPixel == 0);
+    uavDesc.Buffer.FirstElement = static_cast<UINT>(mBuffer.getOffset() / bytesPerPixel);
+    uavDesc.Buffer.NumElements  = static_cast<UINT>(mDataSize / bytesPerPixel);
+    uavDesc.Buffer.Flags        = 0;
+
+    ANGLE_TRY(
+        mRenderer->allocateResource(GetImplAs<Context11>(context), uavDesc, texture.get(), outUAV));
+    outUAV->setLabels("TexBuffer.UAVForImage", &mKHRDebugLabel);
+
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_Buffer::associateImage(Image11 *image, const gl::ImageIndex &index) {}
+void TextureStorage11_Buffer::disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage)
+{}
+void TextureStorage11_Buffer::verifyAssociatedImageValid(const gl::ImageIndex &index,
+                                                         Image11 *expectedImage)
+{}
+angle::Result TextureStorage11_Buffer::releaseAssociatedImage(const gl::Context *context,
+                                                              const gl::ImageIndex &index,
+                                                              Image11 *incomingImage)
+{
+    return angle::Result::Continue;
+}
+
+void TextureStorage11_Buffer::onLabelUpdate()
+{
+    if (mTexture.valid())
+    {
+        mTexture.setKHRDebugLabel(&mKHRDebugLabel);
+    }
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.h
new file mode 100644
index 0000000000..72bc1b802c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.h
@@ -0,0 +1,1003 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureStorage11.h: Defines the abstract rx::TextureStorage11 class and its concrete derived
+// classes TextureStorage11_2D and TextureStorage11_Cube, which act as the interface to the D3D11
+// texture.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_TEXTURESTORAGE11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_TEXTURESTORAGE11_H_
+
+#include "libANGLE/Error.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/renderer/d3d/TextureStorage.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+#include <array>
+#include <map>
+
+namespace gl
+{
+class ImageIndex;
+}  // namespace gl
+
+namespace rx
+{
+class EGLImageD3D;
+class RenderTargetD3D;
+class RenderTarget11;
+class Renderer11;
+class SwapChain11;
+class Image11;
+struct Renderer11DeviceCaps;
+class TextureStorage11_2DMultisample;
+
+template <typename T>
+using CubeFaceArray = std::array<T, gl::kCubeFaceCount>;
+
+struct MultisampledRenderToTextureInfo
+{
+    MultisampledRenderToTextureInfo(const GLsizei samples,
+                                    const gl::ImageIndex &indexSS,
+                                    const gl::ImageIndex &indexMS);
+    ~MultisampledRenderToTextureInfo();
+
+    // How many samples the multisampled texture contains
+    GLsizei samples;
+    // This is the image index for the single sampled texture
+    // This will hold the relevant level information
+    gl::ImageIndex indexSS;
+    // This is the image index for the multisampled texture
+    // For multisampled indexes, there is no level Index since they should
+    // account for the entire level.
+    gl::ImageIndex indexMS;
+    // True when multisampled texture has been written to and needs to be
+    // resolved to the single sampled texture
+    bool msTextureNeedsResolve;
+    std::unique_ptr<TextureStorage11_2DMultisample> msTex;
+};
+
+class TextureStorage11 : public TextureStorage
+{
+  public:
+    ~TextureStorage11() override;
+
+    static DWORD GetTextureBindFlags(GLenum internalFormat,
+                                     const Renderer11DeviceCaps &renderer11DeviceCaps,
+                                     BindFlags flags);
+    static DWORD GetTextureMiscFlags(GLenum internalFormat,
+                                     const Renderer11DeviceCaps &renderer11DeviceCaps,
+                                     BindFlags flags,
+                                     int levels);
+
+    UINT getBindFlags() const;
+    UINT getMiscFlags() const;
+    const d3d11::Format &getFormatSet() const;
+    angle::Result getSRVLevels(const gl::Context *context,
+                               GLint baseLevel,
+                               GLint maxLevel,
+                               const d3d11::SharedSRV **outSRV);
+    angle::Result generateSwizzles(const gl::Context *context,
+                                   const gl::TextureState &textureState);
+    void markLevelDirty(int mipLevel);
+    void markDirty();
+
+    angle::Result updateSubresourceLevel(const gl::Context *context,
+                                         const TextureHelper11 &texture,
+                                         unsigned int sourceSubresource,
+                                         const gl::ImageIndex &index,
+                                         const gl::Box &copyArea);
+
+    angle::Result copySubresourceLevel(const gl::Context *context,
+                                       const TextureHelper11 &dstTexture,
+                                       unsigned int dstSubresource,
+                                       const gl::ImageIndex &index,
+                                       const gl::Box &region);
+
+    // TextureStorage virtual functions
+    int getTopLevel() const override;
+    bool isRenderTarget() const override;
+    bool isManaged() const override;
+    bool supportsNativeMipmapFunction() const override;
+    int getLevelCount() const override;
+    bool isUnorderedAccess() const override { return mBindFlags & D3D11_BIND_UNORDERED_ACCESS; }
+    angle::Result generateMipmap(const gl::Context *context,
+                                 const gl::ImageIndex &sourceIndex,
+                                 const gl::ImageIndex &destIndex) override;
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+    angle::Result setData(const gl::Context *context,
+                          const gl::ImageIndex &index,
+                          ImageD3D *image,
+                          const gl::Box *destBox,
+                          GLenum type,
+                          const gl::PixelUnpackState &unpack,
+                          const uint8_t *pixelData) override;
+    void invalidateTextures() override;
+
+    virtual angle::Result getSRVForSampler(const gl::Context *context,
+                                           const gl::TextureState &textureState,
+                                           const gl::SamplerState &sampler,
+                                           const d3d11::SharedSRV **outSRV);
+    angle::Result getSRVForImage(const gl::Context *context,
+                                 const gl::ImageUnit &imageUnit,
+                                 const d3d11::SharedSRV **outSRV);
+    angle::Result getUAVForImage(const gl::Context *context,
+                                 const gl::ImageUnit &imageUnit,
+                                 const d3d11::SharedUAV **outUAV);
+    virtual angle::Result getSubresourceIndex(const gl::Context *context,
+                                              const gl::ImageIndex &index,
+                                              UINT *outSubresourceIndex) const;
+    virtual angle::Result getResource(const gl::Context *context,
+                                      const TextureHelper11 **outResource)              = 0;
+    virtual void associateImage(Image11 *image, const gl::ImageIndex &index)            = 0;
+    virtual void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) = 0;
+    virtual void verifyAssociatedImageValid(const gl::ImageIndex &index,
+                                            Image11 *expectedImage)                     = 0;
+    virtual angle::Result releaseAssociatedImage(const gl::Context *context,
+                                                 const gl::ImageIndex &index,
+                                                 Image11 *incomingImage)                = 0;
+
+    GLsizei getRenderToTextureSamples() const override;
+
+  protected:
+    TextureStorage11(Renderer11 *renderer,
+                     UINT bindFlags,
+                     UINT miscFlags,
+                     GLenum internalFormat,
+                     const std::string &label);
+    int getLevelWidth(int mipLevel) const;
+    int getLevelHeight(int mipLevel) const;
+    int getLevelDepth(int mipLevel) const;
+
+    // Some classes (e.g. TextureStorage11_2D) will override getMippedResource.
+    virtual angle::Result getMippedResource(const gl::Context *context,
+                                            const TextureHelper11 **outResource);
+
+    virtual angle::Result getSwizzleTexture(const gl::Context *context,
+                                            const TextureHelper11 **outTexture)          = 0;
+    virtual angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                                 int mipLevel,
+                                                 const d3d11::RenderTargetView **outRTV) = 0;
+
+    enum class SRVType
+    {
+        Sample,
+        Blit,
+        Stencil
+    };
+    angle::Result getSRVLevel(const gl::Context *context,
+                              int mipLevel,
+                              SRVType srvType,
+                              const d3d11::SharedSRV **outSRV);
+
+    // Get a version of a depth texture with only depth information, not stencil.
+    enum DropStencil
+    {
+        CREATED,
+        ALREADY_EXISTS
+    };
+    virtual angle::Result ensureDropStencilTexture(const gl::Context *context,
+                                                   DropStencil *dropStencilOut);
+    angle::Result initDropStencilTexture(const gl::Context *context,
+                                         const gl::ImageIndexIterator &it);
+
+    // The baseLevel parameter should *not* have mTopLevel applied.
+    virtual angle::Result createSRVForSampler(const gl::Context *context,
+                                              int baseLevel,
+                                              int mipLevels,
+                                              DXGI_FORMAT format,
+                                              const TextureHelper11 &texture,
+                                              d3d11::SharedSRV *outSRV) = 0;
+    virtual angle::Result createSRVForImage(const gl::Context *context,
+                                            int level,
+                                            DXGI_FORMAT format,
+                                            const TextureHelper11 &texture,
+                                            d3d11::SharedSRV *outSRV)   = 0;
+    virtual angle::Result createUAVForImage(const gl::Context *context,
+                                            int level,
+                                            DXGI_FORMAT format,
+                                            const TextureHelper11 &texture,
+                                            d3d11::SharedUAV *outUAV)   = 0;
+
+    void verifySwizzleExists(const gl::SwizzleState &swizzleState);
+
+    // Clear all cached non-swizzle SRVs and invalidate the swizzle cache.
+    void clearSRVCache();
+
+    // Helper for resolving MS shadowed texture
+    angle::Result resolveTextureHelper(const gl::Context *context, const TextureHelper11 &texture);
+    angle::Result releaseMultisampledTexStorageForLevel(size_t level) override;
+    angle::Result findMultisampledRenderTarget(const gl::Context *context,
+                                               const gl::ImageIndex &index,
+                                               GLsizei samples,
+                                               RenderTargetD3D **outRT) const;
+    angle::Result getMultisampledRenderTarget(const gl::Context *context,
+                                              const gl::ImageIndex &index,
+                                              GLsizei samples,
+                                              RenderTargetD3D **outRT);
+
+    Renderer11 *mRenderer;
+    int mTopLevel;
+    unsigned int mMipLevels;
+
+    const d3d11::Format &mFormatInfo;
+    unsigned int mTextureWidth;
+    unsigned int mTextureHeight;
+    unsigned int mTextureDepth;
+
+    gl::TexLevelArray<gl::SwizzleState> mSwizzleCache;
+    TextureHelper11 mDropStencilTexture;
+
+    std::unique_ptr<MultisampledRenderToTextureInfo> mMSTexInfo;
+
+  private:
+    const UINT mBindFlags;
+    const UINT mMiscFlags;
+
+    struct SamplerKey
+    {
+        SamplerKey();
+        SamplerKey(int baseLevel, int mipLevels, bool swizzle, bool dropStencil);
+
+        bool operator<(const SamplerKey &rhs) const;
+
+        int baseLevel;
+        int mipLevels;
+        bool swizzle;
+        bool dropStencil;
+    };
+
+    angle::Result getCachedOrCreateSRVForSampler(const gl::Context *context,
+                                                 const SamplerKey &key,
+                                                 const d3d11::SharedSRV **outSRV);
+
+    using SRVCacheForSampler = std::map<SamplerKey, d3d11::SharedSRV>;
+    SRVCacheForSampler mSrvCacheForSampler;
+
+    struct ImageKey
+    {
+        ImageKey();
+        ImageKey(int level, bool layered, int layer, GLenum access, GLenum format);
+        bool operator<(const ImageKey &rhs) const;
+        int level;
+        bool layered;
+        int layer;
+        GLenum access;
+        GLenum format;
+    };
+
+    angle::Result getCachedOrCreateSRVForImage(const gl::Context *context,
+                                               const ImageKey &key,
+                                               const d3d11::SharedSRV **outSRV);
+    angle::Result getCachedOrCreateUAVForImage(const gl::Context *context,
+                                               const ImageKey &key,
+                                               const d3d11::SharedUAV **outUAV);
+
+    using SRVCacheForImage = std::map<ImageKey, d3d11::SharedSRV>;
+    SRVCacheForImage mSrvCacheForImage;
+    using UAVCacheForImage = std::map<ImageKey, d3d11::SharedUAV>;
+    UAVCacheForImage mUavCacheForImage;
+
+    gl::TexLevelArray<d3d11::SharedSRV> mLevelSRVs;
+    gl::TexLevelArray<d3d11::SharedSRV> mLevelBlitSRVs;
+    gl::TexLevelArray<d3d11::SharedSRV> mLevelStencilSRVs;
+};
+
+class TextureStorage11_2D : public TextureStorage11
+{
+  public:
+    TextureStorage11_2D(Renderer11 *renderer, SwapChain11 *swapchain, const std::string &label);
+    TextureStorage11_2D(Renderer11 *renderer,
+                        GLenum internalformat,
+                        BindFlags bindFlags,
+                        GLsizei width,
+                        GLsizei height,
+                        int levels,
+                        const std::string &label,
+                        bool hintLevelZeroOnly = false);
+    ~TextureStorage11_2D() override;
+
+    angle::Result onDestroy(const gl::Context *context) override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result getMippedResource(const gl::Context *context,
+                                    const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+
+    void associateImage(Image11 *image, const gl::ImageIndex &index) override;
+    void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    void verifyAssociatedImageValid(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    angle::Result releaseAssociatedImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         Image11 *incomingImage) override;
+
+    angle::Result useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                bool useLevelZeroTexture) override;
+    void onLabelUpdate() override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+    angle::Result ensureDropStencilTexture(const gl::Context *context,
+                                           DropStencil *dropStencilOut) override;
+
+    angle::Result ensureTextureExists(const gl::Context *context, int mipLevels);
+
+    angle::Result resolveTexture(const gl::Context *context) override;
+
+  private:
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+    angle::Result createSRVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedSRV *outSRV) override;
+    angle::Result createUAVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedUAV *outUAV) override;
+
+    TextureHelper11 mTexture;
+    gl::TexLevelArray<std::unique_ptr<RenderTarget11>> mRenderTarget;
+    bool mHasKeyedMutex;
+
+    // These are members related to the zero max-LOD workaround.
+    // D3D11 Feature Level 9_3 can't disable mipmaps on a mipmapped texture (i.e. solely sample from
+    // level zero). These members are used to work around this limitation. Usually only mTexture XOR
+    // mLevelZeroTexture will exist. For example, if an app creates a texture with only one level,
+    // then 9_3 will only create mLevelZeroTexture. However, in some scenarios, both textures have
+    // to be created. This incurs additional memory overhead. One example of this is an application
+    // that creates a texture, calls glGenerateMipmap, and then disables mipmaps on the texture. A
+    // more likely example is an app that creates an empty texture, renders to it, and then calls
+    // glGenerateMipmap
+    // TODO: In this rendering scenario, release the mLevelZeroTexture after mTexture has been
+    // created to save memory.
+    TextureHelper11 mLevelZeroTexture;
+    std::unique_ptr<RenderTarget11> mLevelZeroRenderTarget;
+    bool mUseLevelZeroTexture;
+
+    // Swizzle-related variables
+    TextureHelper11 mSwizzleTexture;
+    gl::TexLevelArray<d3d11::RenderTargetView> mSwizzleRenderTargets;
+
+    gl::TexLevelArray<Image11 *> mAssociatedImages;
+};
+
+class TextureStorage11_External : public TextureStorage11
+{
+  public:
+    TextureStorage11_External(Renderer11 *renderer,
+                              egl::Stream *stream,
+                              const egl::Stream::GLTextureDescription &glDesc,
+                              const std::string &label);
+    ~TextureStorage11_External() override;
+
+    angle::Result onDestroy(const gl::Context *context) override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result getMippedResource(const gl::Context *context,
+                                    const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+
+    void associateImage(Image11 *image, const gl::ImageIndex &index) override;
+    void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    void verifyAssociatedImageValid(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    angle::Result releaseAssociatedImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         Image11 *incomingImage) override;
+    void onLabelUpdate() override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+  private:
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+    angle::Result createSRVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedSRV *outSRV) override;
+    angle::Result createUAVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedUAV *outUAV) override;
+
+    TextureHelper11 mTexture;
+    int mSubresourceIndex;
+    bool mHasKeyedMutex;
+
+    Image11 *mAssociatedImage;
+};
+
+// A base class for texture storage classes where the associated images are not changed, nor are
+// they accessible as images in GLES3.1+ shaders.
+class TextureStorage11ImmutableBase : public TextureStorage11
+{
+  public:
+    TextureStorage11ImmutableBase(Renderer11 *renderer,
+                                  UINT bindFlags,
+                                  UINT miscFlags,
+                                  GLenum internalFormat,
+                                  const std::string &label);
+
+    void associateImage(Image11 *image, const gl::ImageIndex &index) override;
+    void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    void verifyAssociatedImageValid(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    angle::Result releaseAssociatedImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         Image11 *incomingImage) override;
+
+    angle::Result createSRVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedSRV *outSRV) override;
+    angle::Result createUAVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedUAV *outUAV) override;
+};
+
+class TextureStorage11_EGLImage final : public TextureStorage11ImmutableBase
+{
+  public:
+    TextureStorage11_EGLImage(Renderer11 *renderer,
+                              EGLImageD3D *eglImage,
+                              RenderTarget11 *renderTarget11,
+                              const std::string &label);
+    ~TextureStorage11_EGLImage() override;
+
+    angle::Result getSubresourceIndex(const gl::Context *context,
+                                      const gl::ImageIndex &index,
+                                      UINT *outSubresourceIndex) const override;
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result getSRVForSampler(const gl::Context *context,
+                                   const gl::TextureState &textureState,
+                                   const gl::SamplerState &sampler,
+                                   const d3d11::SharedSRV **outSRV) override;
+    angle::Result getMippedResource(const gl::Context *context,
+                                    const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+
+    angle::Result useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                bool useLevelZeroTexture) override;
+    void onLabelUpdate() override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+  private:
+    // Check if the EGL image's render target has been updated due to orphaning and delete
+    // any SRVs and other resources based on the image's old render target.
+    angle::Result checkForUpdatedRenderTarget(const gl::Context *context);
+
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+
+    angle::Result getImageRenderTarget(const gl::Context *context, RenderTarget11 **outRT) const;
+
+    EGLImageD3D *mImage;
+    uintptr_t mCurrentRenderTarget;
+
+    // Swizzle-related variables
+    TextureHelper11 mSwizzleTexture;
+    std::vector<d3d11::RenderTargetView> mSwizzleRenderTargets;
+};
+
+class TextureStorage11_Cube : public TextureStorage11
+{
+  public:
+    TextureStorage11_Cube(Renderer11 *renderer,
+                          GLenum internalformat,
+                          BindFlags bindFlags,
+                          int size,
+                          int levels,
+                          bool hintLevelZeroOnly,
+                          const std::string &label);
+    ~TextureStorage11_Cube() override;
+
+    angle::Result onDestroy(const gl::Context *context) override;
+
+    angle::Result getSubresourceIndex(const gl::Context *context,
+                                      const gl::ImageIndex &index,
+                                      UINT *outSubresourceIndex) const override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result getMippedResource(const gl::Context *context,
+                                    const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+
+    void associateImage(Image11 *image, const gl::ImageIndex &index) override;
+    void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    void verifyAssociatedImageValid(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    angle::Result releaseAssociatedImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         Image11 *incomingImage) override;
+
+    angle::Result useLevelZeroWorkaroundTexture(const gl::Context *context,
+                                                bool useLevelZeroTexture) override;
+    void onLabelUpdate() override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+    angle::Result ensureDropStencilTexture(const gl::Context *context,
+                                           DropStencil *dropStencilOut) override;
+
+    angle::Result ensureTextureExists(const gl::Context *context, int mipLevels);
+
+    angle::Result resolveTexture(const gl::Context *context) override;
+
+  private:
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+    angle::Result createSRVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedSRV *outSRV) override;
+    angle::Result createUAVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedUAV *outUAV) override;
+    angle::Result createRenderTargetSRV(const gl::Context *context,
+                                        const TextureHelper11 &texture,
+                                        const gl::ImageIndex &index,
+                                        DXGI_FORMAT resourceFormat,
+                                        d3d11::SharedSRV *srv) const;
+
+    TextureHelper11 mTexture;
+    CubeFaceArray<gl::TexLevelArray<std::unique_ptr<RenderTarget11>>> mRenderTarget;
+
+    // Level-zero workaround members. See TextureStorage11_2D's workaround members for a
+    // description.
+    TextureHelper11 mLevelZeroTexture;
+    CubeFaceArray<std::unique_ptr<RenderTarget11>> mLevelZeroRenderTarget;
+    bool mUseLevelZeroTexture;
+
+    TextureHelper11 mSwizzleTexture;
+    gl::TexLevelArray<d3d11::RenderTargetView> mSwizzleRenderTargets;
+
+    CubeFaceArray<gl::TexLevelArray<Image11 *>> mAssociatedImages;
+};
+
+class TextureStorage11_3D : public TextureStorage11
+{
+  public:
+    TextureStorage11_3D(Renderer11 *renderer,
+                        GLenum internalformat,
+                        BindFlags bindFlags,
+                        GLsizei width,
+                        GLsizei height,
+                        GLsizei depth,
+                        int levels,
+                        const std::string &label);
+    ~TextureStorage11_3D() override;
+
+    angle::Result onDestroy(const gl::Context *context) override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+
+    // Handles both layer and non-layer RTs
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    void associateImage(Image11 *image, const gl::ImageIndex &index) override;
+    void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    void verifyAssociatedImageValid(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    angle::Result releaseAssociatedImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         Image11 *incomingImage) override;
+    void onLabelUpdate() override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+  private:
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+    angle::Result createSRVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedSRV *outSRV) override;
+    angle::Result createUAVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedUAV *outUAV) override;
+
+    typedef std::pair<int, int> LevelLayerKey;
+    std::map<LevelLayerKey, std::unique_ptr<RenderTarget11>> mLevelLayerRenderTargets;
+
+    gl::TexLevelArray<std::unique_ptr<RenderTarget11>> mLevelRenderTargets;
+
+    TextureHelper11 mTexture;
+    TextureHelper11 mSwizzleTexture;
+    gl::TexLevelArray<d3d11::RenderTargetView> mSwizzleRenderTargets;
+
+    gl::TexLevelArray<Image11 *> mAssociatedImages;
+};
+
+class TextureStorage11_2DArray : public TextureStorage11
+{
+  public:
+    TextureStorage11_2DArray(Renderer11 *renderer,
+                             GLenum internalformat,
+                             BindFlags bindFlags,
+                             GLsizei width,
+                             GLsizei height,
+                             GLsizei depth,
+                             int levels,
+                             const std::string &label);
+    ~TextureStorage11_2DArray() override;
+
+    angle::Result onDestroy(const gl::Context *context) override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    void associateImage(Image11 *image, const gl::ImageIndex &index) override;
+    void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    void verifyAssociatedImageValid(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    angle::Result releaseAssociatedImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         Image11 *incomingImage) override;
+    void onLabelUpdate() override;
+
+    struct LevelLayerRangeKey
+    {
+        LevelLayerRangeKey(int mipLevelIn, int layerIn, int numLayersIn)
+            : mipLevel(mipLevelIn), layer(layerIn), numLayers(numLayersIn)
+        {}
+        bool operator<(const LevelLayerRangeKey &other) const
+        {
+            if (mipLevel != other.mipLevel)
+            {
+                return mipLevel < other.mipLevel;
+            }
+            if (layer != other.layer)
+            {
+                return layer < other.layer;
+            }
+            return numLayers < other.numLayers;
+        }
+        int mipLevel;
+        int layer;
+        int numLayers;
+    };
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+    angle::Result ensureDropStencilTexture(const gl::Context *context,
+                                           DropStencil *dropStencilOut) override;
+
+  private:
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+    angle::Result createSRVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedSRV *outSRV) override;
+    angle::Result createUAVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedUAV *outUAV) override;
+    angle::Result createRenderTargetSRV(const gl::Context *context,
+                                        const TextureHelper11 &texture,
+                                        const gl::ImageIndex &index,
+                                        DXGI_FORMAT resourceFormat,
+                                        d3d11::SharedSRV *srv) const;
+
+    std::map<LevelLayerRangeKey, std::unique_ptr<RenderTarget11>> mRenderTargets;
+
+    TextureHelper11 mTexture;
+
+    TextureHelper11 mSwizzleTexture;
+    gl::TexLevelArray<d3d11::RenderTargetView> mSwizzleRenderTargets;
+
+    typedef std::map<LevelLayerRangeKey, Image11 *> ImageMap;
+    ImageMap mAssociatedImages;
+};
+
+class TextureStorage11_2DMultisample final : public TextureStorage11ImmutableBase
+{
+  public:
+    TextureStorage11_2DMultisample(Renderer11 *renderer,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   int levels,
+                                   int samples,
+                                   bool fixedSampleLocations,
+                                   const std::string &label);
+    ~TextureStorage11_2DMultisample() override;
+
+    angle::Result onDestroy(const gl::Context *context) override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+    void onLabelUpdate() override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+    angle::Result ensureDropStencilTexture(const gl::Context *context,
+                                           DropStencil *dropStencilOut) override;
+
+    angle::Result ensureTextureExists(const gl::Context *context, int mipLevels);
+
+  private:
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+
+    TextureHelper11 mTexture;
+    std::unique_ptr<RenderTarget11> mRenderTarget;
+
+    unsigned int mSamples;
+    GLboolean mFixedSampleLocations;
+};
+
+class TextureStorage11_2DMultisampleArray final : public TextureStorage11ImmutableBase
+{
+  public:
+    TextureStorage11_2DMultisampleArray(Renderer11 *renderer,
+                                        GLenum internalformat,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        int levels,
+                                        int samples,
+                                        bool fixedSampleLocations,
+                                        const std::string &label);
+    ~TextureStorage11_2DMultisampleArray() override;
+
+    angle::Result onDestroy(const gl::Context *context) override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+    void onLabelUpdate() override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+    angle::Result ensureDropStencilTexture(const gl::Context *context,
+                                           DropStencil *dropStencilOut) override;
+
+    angle::Result ensureTextureExists(const gl::Context *context, int mipLevels);
+
+  private:
+    angle::Result createRenderTargetSRV(const gl::Context *context,
+                                        const TextureHelper11 &texture,
+                                        const gl::ImageIndex &index,
+                                        DXGI_FORMAT resourceFormat,
+                                        d3d11::SharedSRV *srv) const;
+
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+
+    TextureHelper11 mTexture;
+    std::map<TextureStorage11_2DArray::LevelLayerRangeKey, std::unique_ptr<RenderTarget11>>
+        mRenderTargets;
+
+    unsigned int mSamples;
+    GLboolean mFixedSampleLocations;
+};
+
+class TextureStorage11_Buffer : public TextureStorage11
+{
+  public:
+    TextureStorage11_Buffer(Renderer11 *renderer,
+                            const gl::OffsetBindingPointer<gl::Buffer> &buffer,
+                            GLenum internalFormat,
+                            const std::string &label);
+    ~TextureStorage11_Buffer() override;
+
+    angle::Result getResource(const gl::Context *context,
+                              const TextureHelper11 **outResource) override;
+    angle::Result getMippedResource(const gl::Context *context,
+                                    const TextureHelper11 **outResource) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+
+    void onLabelUpdate() override;
+
+    void associateImage(Image11 *image, const gl::ImageIndex &index) override;
+    void disassociateImage(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    void verifyAssociatedImageValid(const gl::ImageIndex &index, Image11 *expectedImage) override;
+    angle::Result releaseAssociatedImage(const gl::Context *context,
+                                         const gl::ImageIndex &index,
+                                         Image11 *incomingImage) override;
+
+  protected:
+    angle::Result getSwizzleTexture(const gl::Context *context,
+                                    const TextureHelper11 **outTexture) override;
+    angle::Result getSwizzleRenderTarget(const gl::Context *context,
+                                         int mipLevel,
+                                         const d3d11::RenderTargetView **outRTV) override;
+
+  private:
+    angle::Result createSRVForSampler(const gl::Context *context,
+                                      int baseLevel,
+                                      int mipLevels,
+                                      DXGI_FORMAT format,
+                                      const TextureHelper11 &texture,
+                                      d3d11::SharedSRV *outSRV) override;
+    angle::Result createSRVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedSRV *outSRV) override;
+    angle::Result createUAVForImage(const gl::Context *context,
+                                    int level,
+                                    DXGI_FORMAT format,
+                                    const TextureHelper11 &texture,
+                                    d3d11::SharedUAV *outUAV) override;
+
+    angle::Result initTexture(const gl::Context *context);
+
+    TextureHelper11 mTexture;
+    const gl::OffsetBindingPointer<gl::Buffer> &mBuffer;
+    GLint64 mDataSize;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_TEXTURESTORAGE11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.cpp
new file mode 100644
index 0000000000..1dcd62cd45
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.cpp
@@ -0,0 +1,131 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TransformFeedbackD3D.cpp is a no-op implementation for both the D3D9 and D3D11 renderers.
+
+#include "libANGLE/renderer/d3d/d3d11/TransformFeedback11.h"
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+
+namespace rx
+{
+
+TransformFeedback11::TransformFeedback11(const gl::TransformFeedbackState &state,
+                                         Renderer11 *renderer)
+    : TransformFeedbackImpl(state),
+      mRenderer(renderer),
+      mIsDirty(true),
+      mBuffers(state.getIndexedBuffers().size(), nullptr),
+      mBufferOffsets(state.getIndexedBuffers().size(), 0),
+      mSerial(mRenderer->generateSerial())
+{}
+
+TransformFeedback11::~TransformFeedback11() {}
+
+angle::Result TransformFeedback11::begin(const gl::Context *context,
+                                         gl::PrimitiveMode primitiveMode)
+{
+    // Reset all the cached offsets to the binding offsets
+    mIsDirty = true;
+    for (size_t bindingIdx = 0; bindingIdx < mBuffers.size(); bindingIdx++)
+    {
+        const auto &binding = mState.getIndexedBuffer(bindingIdx);
+        if (binding.get() != nullptr)
+        {
+            mBufferOffsets[bindingIdx] = static_cast<UINT>(binding.getOffset());
+        }
+        else
+        {
+            mBufferOffsets[bindingIdx] = 0;
+        }
+    }
+    mRenderer->getStateManager()->invalidateTransformFeedback();
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback11::end(const gl::Context *context)
+{
+    mRenderer->getStateManager()->invalidateTransformFeedback();
+    if (mRenderer->getFeatures().flushAfterEndingTransformFeedback.enabled)
+    {
+        mRenderer->getDeviceContext()->Flush();
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback11::pause(const gl::Context *context)
+{
+    mRenderer->getStateManager()->invalidateTransformFeedback();
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback11::resume(const gl::Context *context)
+{
+    mRenderer->getStateManager()->invalidateTransformFeedback();
+    return angle::Result::Continue;
+}
+
+angle::Result TransformFeedback11::bindIndexedBuffer(
+    const gl::Context *context,
+    size_t index,
+    const gl::OffsetBindingPointer<gl::Buffer> &binding)
+{
+    mIsDirty              = true;
+    mBufferOffsets[index] = static_cast<UINT>(binding.getOffset());
+    mRenderer->getStateManager()->invalidateTransformFeedback();
+    return angle::Result::Continue;
+}
+
+void TransformFeedback11::onApply()
+{
+    mIsDirty = false;
+
+    // Change all buffer offsets to -1 so that if any of them need to be re-applied, the are set to
+    // append
+    std::fill(mBufferOffsets.begin(), mBufferOffsets.end(), -1);
+}
+
+bool TransformFeedback11::isDirty() const
+{
+    return mIsDirty;
+}
+
+UINT TransformFeedback11::getNumSOBuffers() const
+{
+    return static_cast<UINT>(mBuffers.size());
+}
+
+angle::Result TransformFeedback11::getSOBuffers(const gl::Context *context,
+                                                const std::vector<ID3D11Buffer *> **buffersOut)
+{
+    for (size_t bindingIdx = 0; bindingIdx < mBuffers.size(); bindingIdx++)
+    {
+        const auto &binding = mState.getIndexedBuffer(bindingIdx);
+        if (binding.get() != nullptr)
+        {
+            Buffer11 *storage = GetImplAs<Buffer11>(binding.get());
+            ANGLE_TRY(storage->getBuffer(context, BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK,
+                                         &mBuffers[bindingIdx]));
+        }
+    }
+
+    *buffersOut = &mBuffers;
+    return angle::Result::Continue;
+}
+
+const std::vector<UINT> &TransformFeedback11::getSOBufferOffsets() const
+{
+    return mBufferOffsets;
+}
+
+Serial TransformFeedback11::getSerial() const
+{
+    return mSerial;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.h
new file mode 100644
index 0000000000..69ae90671b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.h
@@ -0,0 +1,61 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TransformFeedback11.h: Implements the abstract rx::TransformFeedbackImpl class.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_TRANSFORMFEEDBACK11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_TRANSFORMFEEDBACK11_H_
+
+#include "common/platform.h"
+
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/TransformFeedbackImpl.h"
+#include "libANGLE/renderer/serial_utils.h"
+
+namespace rx
+{
+
+class Renderer11;
+
+class TransformFeedback11 : public TransformFeedbackImpl
+{
+  public:
+    TransformFeedback11(const gl::TransformFeedbackState &state, Renderer11 *renderer);
+    ~TransformFeedback11() override;
+
+    angle::Result begin(const gl::Context *context, gl::PrimitiveMode primitiveMode) override;
+    angle::Result end(const gl::Context *context) override;
+    angle::Result pause(const gl::Context *context) override;
+    angle::Result resume(const gl::Context *context) override;
+
+    angle::Result bindIndexedBuffer(const gl::Context *context,
+                                    size_t index,
+                                    const gl::OffsetBindingPointer<gl::Buffer> &binding) override;
+
+    void onApply();
+
+    bool isDirty() const;
+
+    UINT getNumSOBuffers() const;
+    angle::Result getSOBuffers(const gl::Context *context,
+                               const std::vector<ID3D11Buffer *> **buffersOut);
+    const std::vector<UINT> &getSOBufferOffsets() const;
+
+    Serial getSerial() const;
+
+  private:
+    Renderer11 *mRenderer;
+
+    bool mIsDirty;
+    std::vector<ID3D11Buffer *> mBuffers;
+    std::vector<UINT> mBufferOffsets;
+
+    Serial mSerial;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_TRANSFORMFEEDBACK11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Trim11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Trim11.cpp
new file mode 100644
index 0000000000..ac6d9a5220
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Trim11.cpp
@@ -0,0 +1,103 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Trim11.cpp: Trim support utility class.
+
+#include "libANGLE/renderer/d3d/d3d11/Trim11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+#    include <windows.applicationmodel.core.h>
+#    include <wrl.h>
+#    include <wrl/wrappers/corewrappers.h>
+using namespace Microsoft::WRL;
+using namespace Microsoft::WRL::Wrappers;
+using namespace ABI::Windows::ApplicationModel;
+using namespace ABI::Windows::ApplicationModel::Core;
+using namespace ABI::Windows::Foundation;
+using namespace ABI::Windows::Foundation::Collections;
+#endif
+
+namespace rx
+{
+
+Trim11::Trim11(rx::Renderer11 *renderer) : mRenderer(renderer)
+{
+    bool result = true;
+    result      = registerForRendererTrimRequest();
+    ASSERT(result);
+}
+
+Trim11::~Trim11()
+{
+    unregisterForRendererTrimRequest();
+}
+
+void Trim11::trim()
+{
+    if (!mRenderer)
+    {
+        return;
+    }
+
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    ID3D11Device *device      = mRenderer->getDevice();
+    IDXGIDevice3 *dxgiDevice3 = d3d11::DynamicCastComObject<IDXGIDevice3>(device);
+    if (dxgiDevice3)
+    {
+        dxgiDevice3->Trim();
+    }
+    SafeRelease(dxgiDevice3);
+#endif
+}
+
+bool Trim11::registerForRendererTrimRequest()
+{
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    ICoreApplication *coreApplication = nullptr;
+    HRESULT result                    = GetActivationFactory(
+        HStringReference(RuntimeClass_Windows_ApplicationModel_Core_CoreApplication).Get(),
+        &coreApplication);
+    if (SUCCEEDED(result))
+    {
+        auto suspendHandler = Callback<IEventHandler<SuspendingEventArgs *>>(
+            [this](IInspectable *, ISuspendingEventArgs *) -> HRESULT {
+                trim();
+                return S_OK;
+            });
+        result =
+            coreApplication->add_Suspending(suspendHandler.Get(), &mApplicationSuspendedEventToken);
+    }
+    SafeRelease(coreApplication);
+
+    if (FAILED(result))
+    {
+        return false;
+    }
+#endif
+    return true;
+}
+
+void Trim11::unregisterForRendererTrimRequest()
+{
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    if (mApplicationSuspendedEventToken.value != 0)
+    {
+        ICoreApplication *coreApplication = nullptr;
+        if (SUCCEEDED(GetActivationFactory(
+                HStringReference(RuntimeClass_Windows_ApplicationModel_Core_CoreApplication).Get(),
+                &coreApplication)))
+        {
+            coreApplication->remove_Suspending(mApplicationSuspendedEventToken);
+        }
+        mApplicationSuspendedEventToken.value = 0;
+        SafeRelease(coreApplication);
+    }
+#endif
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Trim11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Trim11.h
new file mode 100644
index 0000000000..eb1f3e7e13
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Trim11.h
@@ -0,0 +1,43 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Trim11.h: Trim support utility class.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_TRIM11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_TRIM11_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+#    include <EventToken.h>
+#endif
+
+namespace rx
+{
+class Renderer11;
+
+class Trim11 : angle::NonCopyable
+{
+  public:
+    explicit Trim11(Renderer11 *renderer);
+    ~Trim11();
+
+  private:
+    Renderer11 *mRenderer;
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    EventRegistrationToken mApplicationSuspendedEventToken;
+#endif
+
+    void trim();
+    bool registerForRendererTrimRequest();
+    void unregisterForRendererTrimRequest();
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_TRIM11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexArray11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexArray11.cpp
new file mode 100644
index 0000000000..a5f8b6a176
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexArray11.cpp
@@ -0,0 +1,375 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// VertexArray11:
+//   Implementation of rx::VertexArray11.
+//
+
+#include "libANGLE/renderer/d3d/d3d11/VertexArray11.h"
+
+#include "common/bitset_utils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/IndexBuffer.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+
+using namespace angle;
+
+namespace rx
+{
+VertexArray11::VertexArray11(const gl::VertexArrayState &data)
+    : VertexArrayImpl(data),
+      mAttributeStorageTypes(data.getMaxAttribs(), VertexStorageType::CURRENT_VALUE),
+      mTranslatedAttribs(data.getMaxAttribs()),
+      mAppliedNumViewsToDivisor(1),
+      mCurrentElementArrayStorage(IndexStorageType::Invalid),
+      mCachedDestinationIndexType(gl::DrawElementsType::InvalidEnum)
+{}
+
+VertexArray11::~VertexArray11() {}
+
+void VertexArray11::destroy(const gl::Context *context) {}
+
+// As VertexAttribPointer can modify both attribute and binding, we should also set other attributes
+// that are also using this binding dirty.
+#define ANGLE_VERTEX_DIRTY_ATTRIB_FUNC(INDEX)                                                \
+    case gl::VertexArray::DIRTY_BIT_ATTRIB_0 + INDEX:                                        \
+        if ((*attribBits)[INDEX][gl::VertexArray::DirtyAttribBitType::DIRTY_ATTRIB_POINTER]) \
+        {                                                                                    \
+            attributesToUpdate |= mState.getBindingToAttributesMask(INDEX);                  \
+        }                                                                                    \
+        else                                                                                 \
+        {                                                                                    \
+            attributesToUpdate.set(INDEX);                                                   \
+        }                                                                                    \
+        invalidateVertexBuffer = true;                                                       \
+        (*attribBits)[INDEX].reset();                                                        \
+        break;
+
+#define ANGLE_VERTEX_DIRTY_BINDING_FUNC(INDEX)                          \
+    case gl::VertexArray::DIRTY_BIT_BINDING_0 + INDEX:                  \
+        attributesToUpdate |= mState.getBindingToAttributesMask(INDEX); \
+        invalidateVertexBuffer = true;                                  \
+        (*bindingBits)[INDEX].reset();                                  \
+        break;
+
+#define ANGLE_VERTEX_DIRTY_BUFFER_DATA_FUNC(INDEX)                      \
+    case gl::VertexArray::DIRTY_BIT_BUFFER_DATA_0 + INDEX:              \
+        if (mAttributeStorageTypes[INDEX] == VertexStorageType::STATIC) \
+        {                                                               \
+            invalidateVertexBuffer = true;                              \
+            mAttribsToTranslate.set(INDEX);                             \
+        }                                                               \
+        break;
+
+angle::Result VertexArray11::syncState(const gl::Context *context,
+                                       const gl::VertexArray::DirtyBits &dirtyBits,
+                                       gl::VertexArray::DirtyAttribBitsArray *attribBits,
+                                       gl::VertexArray::DirtyBindingBitsArray *bindingBits)
+{
+    ASSERT(dirtyBits.any());
+
+    Renderer11 *renderer         = GetImplAs<Context11>(context)->getRenderer();
+    StateManager11 *stateManager = renderer->getStateManager();
+
+    // Generate a state serial. This serial is used in the program class to validate the cached
+    // input layout, and skip recomputation in the fast path.
+    mCurrentStateSerial = renderer->generateSerial();
+
+    bool invalidateVertexBuffer = false;
+
+    gl::AttributesMask attributesToUpdate;
+
+    // Make sure we trigger re-translation for static index or vertex data.
+    for (size_t dirtyBit : dirtyBits)
+    {
+        switch (dirtyBit)
+        {
+            case gl::VertexArray::DIRTY_BIT_ELEMENT_ARRAY_BUFFER:
+            case gl::VertexArray::DIRTY_BIT_ELEMENT_ARRAY_BUFFER_DATA:
+            {
+                mLastDrawElementsType.reset();
+                mLastDrawElementsIndices.reset();
+                mLastPrimitiveRestartEnabled.reset();
+                mCachedIndexInfo.reset();
+                break;
+            }
+
+                ANGLE_VERTEX_INDEX_CASES(ANGLE_VERTEX_DIRTY_ATTRIB_FUNC)
+                ANGLE_VERTEX_INDEX_CASES(ANGLE_VERTEX_DIRTY_BINDING_FUNC)
+                ANGLE_VERTEX_INDEX_CASES(ANGLE_VERTEX_DIRTY_BUFFER_DATA_FUNC)
+
+            default:
+                UNREACHABLE();
+                break;
+        }
+    }
+
+    for (size_t attribIndex : attributesToUpdate)
+    {
+        updateVertexAttribStorage(context, stateManager, attribIndex);
+    }
+
+    if (invalidateVertexBuffer)
+    {
+        // TODO(jmadill): Individual attribute invalidation.
+        stateManager->invalidateVertexBuffer();
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result VertexArray11::syncStateForDraw(const gl::Context *context,
+                                              GLint firstVertex,
+                                              GLsizei vertexOrIndexCount,
+                                              gl::DrawElementsType indexTypeOrInvalid,
+                                              const void *indices,
+                                              GLsizei instances,
+                                              GLint baseVertex,
+                                              GLuint baseInstance,
+                                              bool promoteDynamic)
+{
+    Renderer11 *renderer         = GetImplAs<Context11>(context)->getRenderer();
+    StateManager11 *stateManager = renderer->getStateManager();
+
+    const gl::State &glState   = context->getState();
+    const gl::Program *program = glState.getProgram();
+    ASSERT(program);
+    const gl::ProgramExecutable &executable = program->getExecutable();
+
+    mAppliedNumViewsToDivisor = (program->usesMultiview() ? program->getNumViews() : 1);
+
+    if (mAttribsToTranslate.any())
+    {
+        const gl::AttributesMask &activeLocations = executable.getActiveAttribLocationsMask();
+        gl::AttributesMask activeDirtyAttribs     = (mAttribsToTranslate & activeLocations);
+        if (activeDirtyAttribs.any())
+        {
+            ANGLE_TRY(updateDirtyAttribs(context, activeDirtyAttribs));
+            stateManager->invalidateInputLayout();
+        }
+    }
+
+    if (mDynamicAttribsMask.any())
+    {
+        const gl::AttributesMask &activeLocations = executable.getActiveAttribLocationsMask();
+        gl::AttributesMask activeDynamicAttribs   = (mDynamicAttribsMask & activeLocations);
+
+        if (activeDynamicAttribs.any())
+        {
+            ANGLE_TRY(updateDynamicAttribs(context, stateManager->getVertexDataManager(),
+                                           firstVertex, vertexOrIndexCount, indexTypeOrInvalid,
+                                           indices, instances, baseVertex, baseInstance,
+                                           promoteDynamic, activeDynamicAttribs));
+            stateManager->invalidateInputLayout();
+        }
+    }
+
+    if (indexTypeOrInvalid != gl::DrawElementsType::InvalidEnum)
+    {
+        bool restartEnabled = context->getState().isPrimitiveRestartEnabled();
+        if (!mLastDrawElementsType.valid() || mLastDrawElementsType.value() != indexTypeOrInvalid ||
+            mLastDrawElementsIndices.value() != indices ||
+            mLastPrimitiveRestartEnabled.value() != restartEnabled)
+        {
+            mLastDrawElementsType        = indexTypeOrInvalid;
+            mLastDrawElementsIndices     = indices;
+            mLastPrimitiveRestartEnabled = restartEnabled;
+
+            ANGLE_TRY(updateElementArrayStorage(context, vertexOrIndexCount, indexTypeOrInvalid,
+                                                indices, restartEnabled));
+            stateManager->invalidateIndexBuffer();
+        }
+        else if (mCurrentElementArrayStorage == IndexStorageType::Dynamic)
+        {
+            stateManager->invalidateIndexBuffer();
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result VertexArray11::updateElementArrayStorage(const gl::Context *context,
+                                                       GLsizei indexCount,
+                                                       gl::DrawElementsType indexType,
+                                                       const void *indices,
+                                                       bool restartEnabled)
+{
+    bool usePrimitiveRestartWorkaround = UsePrimitiveRestartWorkaround(restartEnabled, indexType);
+
+    ANGLE_TRY(GetIndexTranslationDestType(context, indexCount, indexType, indices,
+                                          usePrimitiveRestartWorkaround,
+                                          &mCachedDestinationIndexType));
+
+    unsigned int offset = static_cast<unsigned int>(reinterpret_cast<uintptr_t>(indices));
+
+    mCurrentElementArrayStorage =
+        ClassifyIndexStorage(context->getState(), mState.getElementArrayBuffer(), indexType,
+                             mCachedDestinationIndexType, offset);
+
+    return angle::Result::Continue;
+}
+
+void VertexArray11::updateVertexAttribStorage(const gl::Context *context,
+                                              StateManager11 *stateManager,
+                                              size_t attribIndex)
+{
+    const gl::VertexAttribute &attrib = mState.getVertexAttribute(attribIndex);
+    const gl::VertexBinding &binding  = mState.getBindingFromAttribIndex(attribIndex);
+
+    VertexStorageType newStorageType = ClassifyAttributeStorage(context, attrib, binding);
+
+    // Note: having an unchanged storage type doesn't mean the attribute is clean.
+    mAttribsToTranslate.set(attribIndex, newStorageType != VertexStorageType::DYNAMIC);
+
+    if (mAttributeStorageTypes[attribIndex] == newStorageType)
+        return;
+
+    mAttributeStorageTypes[attribIndex] = newStorageType;
+    mDynamicAttribsMask.set(attribIndex, newStorageType == VertexStorageType::DYNAMIC);
+
+    if (newStorageType == VertexStorageType::CURRENT_VALUE)
+    {
+        stateManager->invalidateCurrentValueAttrib(attribIndex);
+    }
+}
+
+bool VertexArray11::hasActiveDynamicAttrib(const gl::Context *context)
+{
+    const auto &activeLocations =
+        context->getState().getProgramExecutable()->getActiveAttribLocationsMask();
+    gl::AttributesMask activeDynamicAttribs = (mDynamicAttribsMask & activeLocations);
+    return activeDynamicAttribs.any();
+}
+
+angle::Result VertexArray11::updateDirtyAttribs(const gl::Context *context,
+                                                const gl::AttributesMask &activeDirtyAttribs)
+{
+    const auto &glState  = context->getState();
+    const auto &attribs  = mState.getVertexAttributes();
+    const auto &bindings = mState.getVertexBindings();
+
+    for (size_t dirtyAttribIndex : activeDirtyAttribs)
+    {
+        auto *translatedAttrib   = &mTranslatedAttribs[dirtyAttribIndex];
+        const auto &currentValue = glState.getVertexAttribCurrentValue(dirtyAttribIndex);
+
+        // Record basic attrib info
+        translatedAttrib->attribute        = &attribs[dirtyAttribIndex];
+        translatedAttrib->binding          = &bindings[translatedAttrib->attribute->bindingIndex];
+        translatedAttrib->currentValueType = currentValue.Type;
+        translatedAttrib->divisor =
+            translatedAttrib->binding->getDivisor() * mAppliedNumViewsToDivisor;
+
+        switch (mAttributeStorageTypes[dirtyAttribIndex])
+        {
+            case VertexStorageType::DIRECT:
+                VertexDataManager::StoreDirectAttrib(context, translatedAttrib);
+                break;
+            case VertexStorageType::STATIC:
+            {
+                ANGLE_TRY(VertexDataManager::StoreStaticAttrib(context, translatedAttrib));
+                break;
+            }
+            case VertexStorageType::CURRENT_VALUE:
+                // Current value attribs are managed by the StateManager11.
+                break;
+            default:
+                UNREACHABLE();
+                break;
+        }
+
+        // Make sure we reset the dirty bit after the switch because STATIC can early exit.
+        mAttribsToTranslate.reset(dirtyAttribIndex);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result VertexArray11::updateDynamicAttribs(const gl::Context *context,
+                                                  VertexDataManager *vertexDataManager,
+                                                  GLint firstVertex,
+                                                  GLsizei vertexOrIndexCount,
+                                                  gl::DrawElementsType indexTypeOrInvalid,
+                                                  const void *indices,
+                                                  GLsizei instances,
+                                                  GLint baseVertex,
+                                                  GLuint baseInstance,
+                                                  bool promoteDynamic,
+                                                  const gl::AttributesMask &activeDynamicAttribs)
+{
+    const auto &glState  = context->getState();
+    const auto &attribs  = mState.getVertexAttributes();
+    const auto &bindings = mState.getVertexBindings();
+
+    GLint startVertex;
+    size_t vertexCount;
+    ANGLE_TRY(GetVertexRangeInfo(context, firstVertex, vertexOrIndexCount, indexTypeOrInvalid,
+                                 indices, baseVertex, &startVertex, &vertexCount));
+
+    for (size_t dynamicAttribIndex : activeDynamicAttribs)
+    {
+        auto *dynamicAttrib      = &mTranslatedAttribs[dynamicAttribIndex];
+        const auto &currentValue = glState.getVertexAttribCurrentValue(dynamicAttribIndex);
+
+        // Record basic attrib info
+        dynamicAttrib->attribute        = &attribs[dynamicAttribIndex];
+        dynamicAttrib->binding          = &bindings[dynamicAttrib->attribute->bindingIndex];
+        dynamicAttrib->currentValueType = currentValue.Type;
+        dynamicAttrib->divisor = dynamicAttrib->binding->getDivisor() * mAppliedNumViewsToDivisor;
+    }
+
+    ANGLE_TRY(vertexDataManager->storeDynamicAttribs(context, &mTranslatedAttribs,
+                                                     activeDynamicAttribs, startVertex, vertexCount,
+                                                     instances, baseInstance));
+
+    if (promoteDynamic)
+    {
+        VertexDataManager::PromoteDynamicAttribs(context, mTranslatedAttribs, activeDynamicAttribs,
+                                                 vertexCount);
+    }
+
+    return angle::Result::Continue;
+}
+
+const std::vector<TranslatedAttribute> &VertexArray11::getTranslatedAttribs() const
+{
+    return mTranslatedAttribs;
+}
+
+void VertexArray11::markAllAttributeDivisorsForAdjustment(int numViews)
+{
+    if (mAppliedNumViewsToDivisor != numViews)
+    {
+        mAppliedNumViewsToDivisor = numViews;
+        mAttribsToTranslate.set();
+        // mDynamicAttribsMask may have already been set (updateVertexAttribStorage
+        // We don't want to override DYNAMIC attribs as they will be handled separately.
+        mAttribsToTranslate = mAttribsToTranslate ^ mDynamicAttribsMask;
+    }
+}
+
+const TranslatedIndexData &VertexArray11::getCachedIndexInfo() const
+{
+    ASSERT(mCachedIndexInfo.valid());
+    return mCachedIndexInfo.value();
+}
+
+void VertexArray11::updateCachedIndexInfo(const TranslatedIndexData &indexInfo)
+{
+    mCachedIndexInfo = indexInfo;
+}
+
+bool VertexArray11::isCachedIndexInfoValid() const
+{
+    return mCachedIndexInfo.valid();
+}
+
+gl::DrawElementsType VertexArray11::getCachedDestinationIndexType() const
+{
+    return mCachedDestinationIndexType;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexArray11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexArray11.h
new file mode 100644
index 0000000000..a0ac5d74f1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexArray11.h
@@ -0,0 +1,112 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexArray11.h: Defines the rx::VertexArray11 class which implements rx::VertexArrayImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_VERTEXARRAY11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_VERTEXARRAY11_H_
+
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/renderer/VertexArrayImpl.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+class Renderer11;
+
+class VertexArray11 : public VertexArrayImpl
+{
+  public:
+    VertexArray11(const gl::VertexArrayState &data);
+    ~VertexArray11() override;
+    void destroy(const gl::Context *context) override;
+
+    // Does not apply any state updates - these are done in syncStateForDraw which as access to
+    // the draw call parameters.
+    angle::Result syncState(const gl::Context *context,
+                            const gl::VertexArray::DirtyBits &dirtyBits,
+                            gl::VertexArray::DirtyAttribBitsArray *attribBits,
+                            gl::VertexArray::DirtyBindingBitsArray *bindingBits) override;
+
+    // Applied buffer pointers are updated here.
+    angle::Result syncStateForDraw(const gl::Context *context,
+                                   GLint firstVertex,
+                                   GLsizei vertexOrIndexCount,
+                                   gl::DrawElementsType indexTypeOrInvalid,
+                                   const void *indices,
+                                   GLsizei instances,
+                                   GLint baseVertex,
+                                   GLuint baseInstance,
+                                   bool promoteDynamic);
+
+    // This will check the dynamic attribs mask.
+    bool hasActiveDynamicAttrib(const gl::Context *context);
+
+    const std::vector<TranslatedAttribute> &getTranslatedAttribs() const;
+
+    Serial getCurrentStateSerial() const { return mCurrentStateSerial; }
+
+    // In case of a multi-view program change, we have to update all attributes so that the divisor
+    // is adjusted.
+    void markAllAttributeDivisorsForAdjustment(int numViews);
+
+    const TranslatedIndexData &getCachedIndexInfo() const;
+    void updateCachedIndexInfo(const TranslatedIndexData &indexInfo);
+    bool isCachedIndexInfoValid() const;
+
+    gl::DrawElementsType getCachedDestinationIndexType() const;
+
+  private:
+    void updateVertexAttribStorage(const gl::Context *context,
+                                   StateManager11 *stateManager,
+                                   size_t attribIndex);
+    angle::Result updateDirtyAttribs(const gl::Context *context,
+                                     const gl::AttributesMask &activeDirtyAttribs);
+    angle::Result updateDynamicAttribs(const gl::Context *context,
+                                       VertexDataManager *vertexDataManager,
+                                       GLint firstVertex,
+                                       GLsizei vertexOrIndexCount,
+                                       gl::DrawElementsType indexTypeOrInvalid,
+                                       const void *indices,
+                                       GLsizei instances,
+                                       GLint baseVertex,
+                                       GLuint baseInstance,
+                                       bool promoteDynamic,
+                                       const gl::AttributesMask &activeDynamicAttribs);
+
+    angle::Result updateElementArrayStorage(const gl::Context *context,
+                                            GLsizei indexCount,
+                                            gl::DrawElementsType indexType,
+                                            const void *indices,
+                                            bool restartEnabled);
+
+    std::vector<VertexStorageType> mAttributeStorageTypes;
+    std::vector<TranslatedAttribute> mTranslatedAttribs;
+
+    // The mask of attributes marked as dynamic.
+    gl::AttributesMask mDynamicAttribsMask;
+
+    // A set of attributes we know are dirty, and need to be re-translated.
+    gl::AttributesMask mAttribsToTranslate;
+
+    Serial mCurrentStateSerial;
+
+    // The numViews value used to adjust the divisor.
+    int mAppliedNumViewsToDivisor;
+
+    // If the index buffer needs re-streaming.
+    Optional<gl::DrawElementsType> mLastDrawElementsType;
+    Optional<const void *> mLastDrawElementsIndices;
+    Optional<bool> mLastPrimitiveRestartEnabled;
+    IndexStorageType mCurrentElementArrayStorage;
+    Optional<TranslatedIndexData> mCachedIndexInfo;
+    gl::DrawElementsType mCachedDestinationIndexType;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_VERTEXARRAY11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.cpp
new file mode 100644
index 0000000000..9daa8f83f9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.cpp
@@ -0,0 +1,167 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexBuffer11.cpp: Defines the D3D11 VertexBuffer implementation.
+
+#include "libANGLE/renderer/d3d/d3d11/VertexBuffer11.h"
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace rx
+{
+
+VertexBuffer11::VertexBuffer11(Renderer11 *const renderer)
+    : mRenderer(renderer),
+      mBuffer(),
+      mBufferSize(0),
+      mDynamicUsage(false),
+      mMappedResourceData(nullptr)
+{}
+
+VertexBuffer11::~VertexBuffer11()
+{
+    ASSERT(mMappedResourceData == nullptr);
+}
+
+angle::Result VertexBuffer11::initialize(const gl::Context *context,
+                                         unsigned int size,
+                                         bool dynamicUsage)
+{
+    mBuffer.reset();
+    updateSerial();
+
+    if (size > 0)
+    {
+        D3D11_BUFFER_DESC bufferDesc;
+        bufferDesc.ByteWidth           = size;
+        bufferDesc.Usage               = D3D11_USAGE_DYNAMIC;
+        bufferDesc.BindFlags           = D3D11_BIND_VERTEX_BUFFER;
+        bufferDesc.CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+        bufferDesc.MiscFlags           = 0;
+        bufferDesc.StructureByteStride = 0;
+
+        ANGLE_TRY(mRenderer->allocateResource(GetImplAs<Context11>(context), bufferDesc, &mBuffer));
+
+        if (dynamicUsage)
+        {
+            mBuffer.setInternalName("VertexBuffer11(dynamic)");
+        }
+        else
+        {
+            mBuffer.setInternalName("VertexBuffer11(static)");
+        }
+    }
+
+    mBufferSize   = size;
+    mDynamicUsage = dynamicUsage;
+
+    return angle::Result::Continue;
+}
+
+angle::Result VertexBuffer11::mapResource(const gl::Context *context)
+{
+    if (mMappedResourceData == nullptr)
+    {
+        D3D11_MAPPED_SUBRESOURCE mappedResource;
+
+        ANGLE_TRY(mRenderer->mapResource(context, mBuffer.get(), 0, D3D11_MAP_WRITE_NO_OVERWRITE, 0,
+                                         &mappedResource));
+
+        mMappedResourceData = static_cast<uint8_t *>(mappedResource.pData);
+    }
+
+    return angle::Result::Continue;
+}
+
+void VertexBuffer11::hintUnmapResource()
+{
+    if (mMappedResourceData != nullptr)
+    {
+        ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext();
+        dxContext->Unmap(mBuffer.get(), 0);
+
+        mMappedResourceData = nullptr;
+    }
+}
+
+angle::Result VertexBuffer11::storeVertexAttributes(const gl::Context *context,
+                                                    const gl::VertexAttribute &attrib,
+                                                    const gl::VertexBinding &binding,
+                                                    gl::VertexAttribType currentValueType,
+                                                    GLint start,
+                                                    size_t count,
+                                                    GLsizei instances,
+                                                    unsigned int offset,
+                                                    const uint8_t *sourceData)
+{
+    ASSERT(mBuffer.valid());
+
+    int inputStride = static_cast<int>(ComputeVertexAttributeStride(attrib, binding));
+
+    // This will map the resource if it isn't already mapped.
+    ANGLE_TRY(mapResource(context));
+
+    uint8_t *output = mMappedResourceData + offset;
+
+    const uint8_t *input = sourceData;
+
+    if (instances == 0 || binding.getDivisor() == 0)
+    {
+        input += inputStride * start;
+    }
+
+    angle::FormatID vertexFormatID       = gl::GetVertexFormatID(attrib, currentValueType);
+    const D3D_FEATURE_LEVEL featureLevel = mRenderer->getRenderer11DeviceCaps().featureLevel;
+    const d3d11::VertexFormat &vertexFormatInfo =
+        d3d11::GetVertexFormatInfo(vertexFormatID, featureLevel);
+    ASSERT(vertexFormatInfo.copyFunction != nullptr);
+    vertexFormatInfo.copyFunction(input, inputStride, count, output);
+
+    return angle::Result::Continue;
+}
+
+unsigned int VertexBuffer11::getBufferSize() const
+{
+    return mBufferSize;
+}
+
+angle::Result VertexBuffer11::setBufferSize(const gl::Context *context, unsigned int size)
+{
+    if (size > mBufferSize)
+    {
+        return initialize(context, size, mDynamicUsage);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result VertexBuffer11::discard(const gl::Context *context)
+{
+    ASSERT(mBuffer.valid());
+
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    ANGLE_TRY(mRenderer->mapResource(context, mBuffer.get(), 0, D3D11_MAP_WRITE_DISCARD, 0,
+                                     &mappedResource));
+
+    mRenderer->getDeviceContext()->Unmap(mBuffer.get(), 0);
+
+    return angle::Result::Continue;
+}
+
+const d3d11::Buffer &VertexBuffer11::getBuffer() const
+{
+    return mBuffer;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.h
new file mode 100644
index 0000000000..46b52cb602
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.h
@@ -0,0 +1,65 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexBuffer11.h: Defines the D3D11 VertexBuffer implementation.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_VERTEXBUFFER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_VERTEXBUFFER11_H_
+
+#include <stdint.h>
+
+#include "libANGLE/renderer/d3d/VertexBuffer.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace rx
+{
+class Renderer11;
+
+class VertexBuffer11 : public VertexBuffer
+{
+  public:
+    explicit VertexBuffer11(Renderer11 *const renderer);
+
+    angle::Result initialize(const gl::Context *context,
+                             unsigned int size,
+                             bool dynamicUsage) override;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using this
+    // function.
+    angle::Result storeVertexAttributes(const gl::Context *context,
+                                        const gl::VertexAttribute &attrib,
+                                        const gl::VertexBinding &binding,
+                                        gl::VertexAttribType currentValueType,
+                                        GLint start,
+                                        size_t count,
+                                        GLsizei instances,
+                                        unsigned int offset,
+                                        const uint8_t *sourceData) override;
+
+    unsigned int getBufferSize() const override;
+    angle::Result setBufferSize(const gl::Context *context, unsigned int size) override;
+    angle::Result discard(const gl::Context *context) override;
+
+    void hintUnmapResource() override;
+
+    const d3d11::Buffer &getBuffer() const;
+
+  private:
+    ~VertexBuffer11() override;
+    angle::Result mapResource(const gl::Context *context);
+
+    Renderer11 *const mRenderer;
+
+    d3d11::Buffer mBuffer;
+    unsigned int mBufferSize;
+    bool mDynamicUsage;
+
+    uint8_t *mMappedResourceData;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_VERTEXBUFFER11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.cpp
new file mode 100644
index 0000000000..0e64f78d53
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.cpp
@@ -0,0 +1,457 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// CompositorNativeWindow11.cpp: Implementation of NativeWindow11 using Windows.UI.Composition APIs
+// which work in both Win32 and WinRT contexts.
+
+#include "libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include "common/debug.h"
+
+using namespace Microsoft::WRL;
+
+namespace rx
+{
+
+CompositorNativeWindow11::CompositorNativeWindow11(EGLNativeWindowType window, bool hasAlpha)
+    : NativeWindow11(window), mHasAlpha(hasAlpha)
+{
+    ABI::Windows::UI::Composition::ISpriteVisual *inspPtr =
+        reinterpret_cast<ABI::Windows::UI::Composition::ISpriteVisual *>(window);
+    mHostVisual = Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ISpriteVisual>{inspPtr};
+}
+
+CompositorNativeWindow11::~CompositorNativeWindow11() = default;
+
+bool CompositorNativeWindow11::initialize()
+{
+    return true;
+}
+
+bool CompositorNativeWindow11::getClientRect(LPRECT rect) const
+{
+    ComPtr<ABI::Windows::UI::Composition::IVisual> visual;
+    mHostVisual.As(&visual);
+
+    ABI::Windows::Foundation::Numerics::Vector2 size;
+    HRESULT hr = visual->get_Size(&size);
+    if (FAILED(hr))
+    {
+        return false;
+    }
+
+    ABI::Windows::Foundation::Numerics::Vector3 offset;
+    hr = visual->get_Offset(&offset);
+    if (FAILED(hr))
+    {
+        return false;
+    }
+
+    rect->top    = static_cast<LONG>(offset.Y);
+    rect->left   = static_cast<LONG>(offset.X);
+    rect->right  = static_cast<LONG>(offset.X) + static_cast<LONG>(size.X);
+    rect->bottom = static_cast<LONG>(offset.Y) + static_cast<LONG>(size.Y);
+
+    return true;
+}
+
+bool CompositorNativeWindow11::isIconic() const
+{
+    return false;
+}
+
+HRESULT CompositorNativeWindow11::createSwapChain(ID3D11Device *device,
+                                                  IDXGIFactory *factory,
+                                                  DXGI_FORMAT format,
+                                                  UINT width,
+                                                  UINT height,
+                                                  UINT samples,
+                                                  IDXGISwapChain **swapChain)
+{
+    if (device == nullptr || factory == nullptr || swapChain == nullptr || width == 0 ||
+        height == 0)
+    {
+        return E_INVALIDARG;
+    }
+
+    HRESULT hr{E_FAIL};
+
+    ComPtr<ABI::Windows::UI::Composition::ICompositionObject> hostVisual;
+    hr = mHostVisual.As(&hostVisual);
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ICompositor> compositor;
+    hr = hostVisual->get_Compositor(&compositor);
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    ComPtr<ABI::Windows::UI::Composition::ICompositorInterop> interop;
+
+    hr = compositor.As(&interop);
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    ComPtr<IDXGIFactory2> factory2;
+    factory2.Attach(d3d11::DynamicCastComObject<IDXGIFactory2>(factory));
+
+    DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
+    swapChainDesc.Width                 = width;
+    swapChainDesc.Height                = height;
+    swapChainDesc.Format                = format;
+    swapChainDesc.Stereo                = FALSE;
+    swapChainDesc.SampleDesc.Count      = 1;
+    swapChainDesc.SampleDesc.Quality    = 0;
+    swapChainDesc.BufferUsage =
+        DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER | DXGI_USAGE_SHADER_INPUT;
+    swapChainDesc.BufferCount = 2;
+    swapChainDesc.Scaling     = DXGI_SCALING_STRETCH;
+    swapChainDesc.SwapEffect  = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
+    swapChainDesc.AlphaMode   = mHasAlpha ? DXGI_ALPHA_MODE_PREMULTIPLIED : DXGI_ALPHA_MODE_IGNORE;
+#ifndef ANGLE_ENABLE_WINDOWS_UWP
+    swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG::DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
+#endif
+    Microsoft::WRL::ComPtr<IDXGISwapChain1> swapChain1;
+    hr = factory2->CreateSwapChainForComposition(device, &swapChainDesc, nullptr, &swapChain1);
+    if (SUCCEEDED(hr))
+    {
+        swapChain1.CopyTo(swapChain);
+    }
+
+    hr = interop->CreateCompositionSurfaceForSwapChain(swapChain1.Get(), &mSurface);
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    hr = compositor->CreateSurfaceBrushWithSurface(mSurface.Get(), &mSurfaceBrush);
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    hr = mSurfaceBrush.As(&mCompositionBrush);
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    hr = mHostVisual->put_Brush(mCompositionBrush.Get());
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    return hr;
+}
+
+void CompositorNativeWindow11::commitChange()
+{
+    // Windows::UI::Composition uses an implicit commit model hence no action needed here
+}
+
+// static
+bool CompositorNativeWindow11::IsValidNativeWindow(EGLNativeWindowType window)
+{
+    return IsSupportedWinRelease() && IsSpriteVisual(window);
+}
+
+// static
+bool CompositorNativeWindow11::IsSupportedWinRelease()
+{
+    RoHelper helper;
+    if (!helper.WinRtAvailable())
+    {
+        return false;
+    }
+
+    return helper.SupportedWindowsRelease();
+}
+
+bool CompositorNativeWindow11::IsSpriteVisual(EGLNativeWindowType window)
+{
+    RoHelper helper;
+
+    ABI::Windows::UI::Composition::ISpriteVisual *inspp =
+        reinterpret_cast<ABI::Windows::UI::Composition::ISpriteVisual *>(window);
+    HSTRING className, spriteClassName;
+    HSTRING_HEADER spriteClassNameHeader;
+
+    auto hr = helper.GetStringReference(RuntimeClass_Windows_UI_Composition_SpriteVisual,
+                                        &spriteClassName, &spriteClassNameHeader);
+    if (FAILED(hr))
+    {
+        return false;
+    }
+
+    hr = inspp->GetRuntimeClassName(&className);
+    if (FAILED(hr))
+    {
+        return false;
+    }
+
+    INT32 result = -1;
+    hr           = helper.WindowsCompareStringOrdinal(className, spriteClassName, &result);
+
+    helper.WindowsDeleteString(className);
+
+    if (FAILED(hr))
+    {
+        return false;
+    }
+
+    if (result == 0)
+    {
+        return true;
+    }
+
+    return false;
+}
+
+// RoHelperImpl
+
+template <typename T>
+bool AssignProcAddress(HMODULE comBaseModule, const char *name, T *&outProc)
+{
+    outProc = reinterpret_cast<T *>(GetProcAddress(comBaseModule, name));
+    return *outProc != nullptr;
+}
+
+RoHelper::RoHelper()
+    : mFpWindowsCreateStringReference(nullptr),
+      mFpGetActivationFactory(nullptr),
+      mFpWindowsCompareStringOrdinal(nullptr),
+      mFpCreateDispatcherQueueController(nullptr),
+      mFpWindowsDeleteString(nullptr),
+      mFpRoInitialize(nullptr),
+      mFpRoUninitialize(nullptr),
+      mWinRtAvailable(false),
+      mWinRtInitialized(false),
+      mComBaseModule(nullptr),
+      mCoreMessagingModule(nullptr)
+{
+
+#ifdef ANGLE_ENABLE_WINDOWS_UWP
+    mFpWindowsCreateStringReference    = &::WindowsCreateStringReference;
+    mFpRoInitialize                    = &::RoInitialize;
+    mFpRoUninitialize                  = &::RoUninitialize;
+    mFpWindowsDeleteString             = &::WindowsDeleteString;
+    mFpGetActivationFactory            = &::RoGetActivationFactory;
+    mFpWindowsCompareStringOrdinal     = &::WindowsCompareStringOrdinal;
+    mFpCreateDispatcherQueueController = &::CreateDispatcherQueueController;
+    mWinRtAvailable                    = true;
+#else
+
+    mComBaseModule = LoadLibraryA("ComBase.dll");
+
+    if (mComBaseModule == nullptr)
+    {
+        return;
+    }
+
+    if (!AssignProcAddress(mComBaseModule, "WindowsCreateStringReference",
+                           mFpWindowsCreateStringReference))
+    {
+        return;
+    }
+
+    if (!AssignProcAddress(mComBaseModule, "RoGetActivationFactory", mFpGetActivationFactory))
+    {
+        return;
+    }
+
+    if (!AssignProcAddress(mComBaseModule, "WindowsCompareStringOrdinal",
+                           mFpWindowsCompareStringOrdinal))
+    {
+        return;
+    }
+
+    if (!AssignProcAddress(mComBaseModule, "WindowsDeleteString", mFpWindowsDeleteString))
+    {
+        return;
+    }
+
+    if (!AssignProcAddress(mComBaseModule, "RoInitialize", mFpRoInitialize))
+    {
+        return;
+    }
+
+    if (!AssignProcAddress(mComBaseModule, "RoUninitialize", mFpRoUninitialize))
+    {
+        return;
+    }
+
+    mCoreMessagingModule = LoadLibraryA("coremessaging.dll");
+
+    if (mCoreMessagingModule == nullptr)
+    {
+        return;
+    }
+
+    if (!AssignProcAddress(mCoreMessagingModule, "CreateDispatcherQueueController",
+                           mFpCreateDispatcherQueueController))
+    {
+        return;
+    }
+
+    auto result = RoInitialize(RO_INIT_MULTITHREADED);
+
+    if (SUCCEEDED(result) || result == RPC_E_CHANGED_MODE)
+    {
+        mWinRtAvailable = true;
+
+        if (SUCCEEDED(result))
+        {
+            mWinRtInitialized = true;
+        }
+    }
+#endif
+}
+
+RoHelper::~RoHelper()
+{
+#ifndef ANGLE_ENABLE_WINDOWS_UWP
+    if (mWinRtInitialized)
+    {
+        RoUninitialize();
+    }
+
+    if (mCoreMessagingModule != nullptr)
+    {
+        FreeLibrary(mCoreMessagingModule);
+        mCoreMessagingModule = nullptr;
+    }
+
+    if (mComBaseModule != nullptr)
+    {
+        FreeLibrary(mComBaseModule);
+        mComBaseModule = nullptr;
+    }
+#endif
+}
+
+bool RoHelper::WinRtAvailable() const
+{
+    return mWinRtAvailable;
+}
+
+bool RoHelper::SupportedWindowsRelease()
+{
+    if (!mWinRtAvailable)
+    {
+        return false;
+    }
+
+    HSTRING className, contractName;
+    HSTRING_HEADER classNameHeader, contractNameHeader;
+    boolean isSupported = false;
+
+    HRESULT hr = GetStringReference(RuntimeClass_Windows_Foundation_Metadata_ApiInformation,
+                                    &className, &classNameHeader);
+
+    if (FAILED(hr))
+    {
+        return !!isSupported;
+    }
+
+    Microsoft::WRL::ComPtr<ABI::Windows::Foundation::Metadata::IApiInformationStatics> api;
+
+    hr = GetActivationFactory(
+        className, __uuidof(ABI::Windows::Foundation::Metadata::IApiInformationStatics), &api);
+
+    if (FAILED(hr))
+    {
+        return !!isSupported;
+    }
+
+    hr = GetStringReference(L"Windows.Foundation.UniversalApiContract", &contractName,
+                            &contractNameHeader);
+    if (FAILED(hr))
+    {
+        return !!isSupported;
+    }
+
+    api->IsApiContractPresentByMajor(contractName, 6, &isSupported);
+
+    return !!isSupported;
+}
+
+HRESULT RoHelper::GetStringReference(PCWSTR source, HSTRING *act, HSTRING_HEADER *header)
+{
+    if (!mWinRtAvailable)
+    {
+        return E_FAIL;
+    }
+
+    const wchar_t *str = static_cast<const wchar_t *>(source);
+
+    unsigned int length;
+    HRESULT hr = SizeTToUInt32(::wcslen(str), &length);
+    if (FAILED(hr))
+    {
+        return hr;
+    }
+
+    return mFpWindowsCreateStringReference(source, length, header, act);
+}
+
+HRESULT RoHelper::GetActivationFactory(const HSTRING act, const IID &interfaceId, void **fac)
+{
+    if (!mWinRtAvailable)
+    {
+        return E_FAIL;
+    }
+    auto hr = mFpGetActivationFactory(act, interfaceId, fac);
+    return hr;
+}
+
+HRESULT RoHelper::WindowsCompareStringOrdinal(HSTRING one, HSTRING two, int *result)
+{
+    if (!mWinRtAvailable)
+    {
+        return E_FAIL;
+    }
+    return mFpWindowsCompareStringOrdinal(one, two, result);
+}
+
+HRESULT RoHelper::CreateDispatcherQueueController(
+    DispatcherQueueOptions options,
+    ABI::Windows::System::IDispatcherQueueController **dispatcherQueueController)
+{
+    if (!mWinRtAvailable)
+    {
+        return E_FAIL;
+    }
+    return mFpCreateDispatcherQueueController(options, dispatcherQueueController);
+}
+
+HRESULT RoHelper::WindowsDeleteString(HSTRING one)
+{
+    if (!mWinRtAvailable)
+    {
+        return E_FAIL;
+    }
+    return mFpWindowsDeleteString(one);
+}
+
+HRESULT RoHelper::RoInitialize(RO_INIT_TYPE type)
+{
+    return mFpRoInitialize(type);
+}
+
+void RoHelper::RoUninitialize()
+{
+    mFpRoUninitialize();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.h
new file mode 100644
index 0000000000..82857322e0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.h
@@ -0,0 +1,116 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// CompositorNativeWindow11.h: Implementation of NativeWindow11 using Windows.UI.Composition APIs
+// which work in both Win32 and WinRT contexts.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_CONVERGED_COMPOSITORNATIVEWINDOW11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_CONVERGED_COMPOSITORNATIVEWINDOW11_H_
+
+#include "libANGLE/renderer/d3d/d3d11/NativeWindow11.h"
+
+#include <dispatcherqueue.h>
+#include <versionhelpers.h>
+#include <windows.foundation.metadata.h>
+#include <windows.ui.composition.h>
+#include <windows.ui.composition.interop.h>
+#include <wrl.h>
+
+namespace rx
+{
+
+class RoHelper
+{
+  public:
+    RoHelper();
+    ~RoHelper();
+    bool WinRtAvailable() const;
+    bool SupportedWindowsRelease();
+    HRESULT GetStringReference(PCWSTR source, HSTRING *act, HSTRING_HEADER *header);
+    HRESULT GetActivationFactory(const HSTRING act, const IID &interfaceId, void **fac);
+    HRESULT WindowsCompareStringOrdinal(HSTRING one, HSTRING two, int *result);
+    HRESULT CreateDispatcherQueueController(
+        DispatcherQueueOptions options,
+        ABI::Windows::System::IDispatcherQueueController **dispatcherQueueController);
+    HRESULT WindowsDeleteString(HSTRING one);
+    HRESULT RoInitialize(RO_INIT_TYPE type);
+    void RoUninitialize();
+
+  private:
+    using WindowsCreateStringReference_ = HRESULT __stdcall(PCWSTR,
+                                                            UINT32,
+                                                            HSTRING_HEADER *,
+                                                            HSTRING *);
+
+    using GetActivationFactory_ = HRESULT __stdcall(HSTRING, REFIID, void **);
+
+    using WindowsCompareStringOrginal_ = HRESULT __stdcall(HSTRING, HSTRING, int *);
+
+    using WindowsDeleteString_ = HRESULT __stdcall(HSTRING);
+
+    using CreateDispatcherQueueController_ =
+        HRESULT __stdcall(DispatcherQueueOptions,
+                          ABI::Windows::System::IDispatcherQueueController **);
+
+    using RoInitialize_   = HRESULT __stdcall(RO_INIT_TYPE);
+    using RoUninitialize_ = void __stdcall();
+
+    WindowsCreateStringReference_ *mFpWindowsCreateStringReference;
+    GetActivationFactory_ *mFpGetActivationFactory;
+    WindowsCompareStringOrginal_ *mFpWindowsCompareStringOrdinal;
+    CreateDispatcherQueueController_ *mFpCreateDispatcherQueueController;
+    WindowsDeleteString_ *mFpWindowsDeleteString;
+    RoInitialize_ *mFpRoInitialize;
+    RoUninitialize_ *mFpRoUninitialize;
+
+    bool mWinRtAvailable;
+    bool mWinRtInitialized;
+
+    HMODULE mComBaseModule;
+    HMODULE mCoreMessagingModule;
+};
+
+class CompositorNativeWindow11 : public NativeWindow11
+{
+  public:
+    CompositorNativeWindow11(EGLNativeWindowType window, bool hasAlpha);
+    ~CompositorNativeWindow11() override;
+
+    bool initialize() override;
+    bool getClientRect(LPRECT rect) const override;
+    bool isIconic() const override;
+
+    HRESULT createSwapChain(ID3D11Device *device,
+                            IDXGIFactory *factory,
+                            DXGI_FORMAT format,
+                            UINT width,
+                            UINT height,
+                            UINT samples,
+                            IDXGISwapChain **swapChain) override;
+
+    void commitChange() override;
+
+    static bool IsValidNativeWindow(EGLNativeWindowType window);
+
+    static bool IsSupportedWinRelease();
+
+  private:
+    static bool IsSpriteVisual(EGLNativeWindowType window);
+
+    bool mHasAlpha;
+
+    RoHelper mRoHelper;
+
+    // Namespace prefix required here for some reason despite using namespace
+    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ISpriteVisual> mHostVisual;
+    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ICompositionBrush> mCompositionBrush;
+    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ICompositionSurface> mSurface;
+    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ICompositionSurfaceBrush> mSurfaceBrush;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_CONVERGED_COMPOSITORNATIVEWINDOW11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp
new file mode 100644
index 0000000000..75ddbd9ea1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp
@@ -0,0 +1,1029 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils11.cpp: Queries for GL image formats and their translations to D3D11
+// formats.
+
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+
+#include "image_util/copyimage.h"
+#include "image_util/generatemip.h"
+#include "image_util/loadimage.h"
+
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/copyvertex.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/dxgi_support_table.h"
+
+namespace rx
+{
+
+namespace d3d11
+{
+
+bool SupportsMipGen(DXGI_FORMAT dxgiFormat, D3D_FEATURE_LEVEL featureLevel)
+{
+    const auto &support = GetDXGISupport(dxgiFormat, featureLevel);
+    ASSERT((support.optionallySupportedFlags & D3D11_FORMAT_SUPPORT_MIP_AUTOGEN) == 0);
+    return ((support.alwaysSupportedFlags & D3D11_FORMAT_SUPPORT_MIP_AUTOGEN) != 0);
+}
+
+DXGIFormatSize::DXGIFormatSize(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight)
+    : pixelBytes(pixelBits / 8), blockWidth(blockWidth), blockHeight(blockHeight)
+{}
+
+const DXGIFormatSize &GetDXGIFormatSizeInfo(DXGI_FORMAT format)
+{
+    static const DXGIFormatSize sizeUnknown(0, 0, 0);
+    static const DXGIFormatSize size128(128, 1, 1);
+    static const DXGIFormatSize size96(96, 1, 1);
+    static const DXGIFormatSize size64(64, 1, 1);
+    static const DXGIFormatSize size32(32, 1, 1);
+    static const DXGIFormatSize size16(16, 1, 1);
+    static const DXGIFormatSize size8(8, 1, 1);
+    static const DXGIFormatSize sizeBC1(64, 4, 4);
+    static const DXGIFormatSize sizeBC2(128, 4, 4);
+    static const DXGIFormatSize sizeBC3(128, 4, 4);
+    static const DXGIFormatSize sizeBC4(64, 4, 4);
+    static const DXGIFormatSize sizeBC5(128, 4, 4);
+    static const DXGIFormatSize sizeBC6H(128, 4, 4);
+    static const DXGIFormatSize sizeBC7(128, 4, 4);
+    switch (format)
+    {
+        case DXGI_FORMAT_UNKNOWN:
+            return sizeUnknown;
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+            return size128;
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+        case DXGI_FORMAT_R32G32B32_UINT:
+        case DXGI_FORMAT_R32G32B32_SINT:
+            return size96;
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+        case DXGI_FORMAT_R32G32_TYPELESS:
+        case DXGI_FORMAT_R32G32_FLOAT:
+        case DXGI_FORMAT_R32G32_UINT:
+        case DXGI_FORMAT_R32G32_SINT:
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+            return size64;
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+        case DXGI_FORMAT_R16G16_TYPELESS:
+        case DXGI_FORMAT_R16G16_FLOAT:
+        case DXGI_FORMAT_R16G16_UNORM:
+        case DXGI_FORMAT_R16G16_UINT:
+        case DXGI_FORMAT_R16G16_SNORM:
+        case DXGI_FORMAT_R16G16_SINT:
+        case DXGI_FORMAT_R32_TYPELESS:
+        case DXGI_FORMAT_D32_FLOAT:
+        case DXGI_FORMAT_R32_FLOAT:
+        case DXGI_FORMAT_R32_UINT:
+        case DXGI_FORMAT_R32_SINT:
+        case DXGI_FORMAT_R24G8_TYPELESS:
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+            return size32;
+        case DXGI_FORMAT_R8G8_TYPELESS:
+        case DXGI_FORMAT_R8G8_UNORM:
+        case DXGI_FORMAT_R8G8_UINT:
+        case DXGI_FORMAT_R8G8_SNORM:
+        case DXGI_FORMAT_R8G8_SINT:
+        case DXGI_FORMAT_R16_TYPELESS:
+        case DXGI_FORMAT_R16_FLOAT:
+        case DXGI_FORMAT_D16_UNORM:
+        case DXGI_FORMAT_R16_UNORM:
+        case DXGI_FORMAT_R16_UINT:
+        case DXGI_FORMAT_R16_SNORM:
+        case DXGI_FORMAT_R16_SINT:
+            return size16;
+        case DXGI_FORMAT_R8_TYPELESS:
+        case DXGI_FORMAT_R8_UNORM:
+        case DXGI_FORMAT_R8_UINT:
+        case DXGI_FORMAT_R8_SNORM:
+        case DXGI_FORMAT_R8_SINT:
+        case DXGI_FORMAT_A8_UNORM:
+            return size8;
+        case DXGI_FORMAT_R1_UNORM:
+            UNREACHABLE();
+            return sizeUnknown;
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+            return size32;
+        case DXGI_FORMAT_BC1_TYPELESS:
+        case DXGI_FORMAT_BC1_UNORM:
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+            return sizeBC1;
+        case DXGI_FORMAT_BC2_TYPELESS:
+        case DXGI_FORMAT_BC2_UNORM:
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+            return sizeBC2;
+        case DXGI_FORMAT_BC3_TYPELESS:
+        case DXGI_FORMAT_BC3_UNORM:
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+            return sizeBC3;
+        case DXGI_FORMAT_BC4_TYPELESS:
+        case DXGI_FORMAT_BC4_UNORM:
+        case DXGI_FORMAT_BC4_SNORM:
+            return sizeBC4;
+        case DXGI_FORMAT_BC5_TYPELESS:
+        case DXGI_FORMAT_BC5_UNORM:
+        case DXGI_FORMAT_BC5_SNORM:
+            return sizeBC5;
+        case DXGI_FORMAT_B5G6R5_UNORM:
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+            return size16;
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+            return size32;
+        case DXGI_FORMAT_BC6H_TYPELESS:
+        case DXGI_FORMAT_BC6H_UF16:
+        case DXGI_FORMAT_BC6H_SF16:
+            return sizeBC6H;
+        case DXGI_FORMAT_BC7_TYPELESS:
+        case DXGI_FORMAT_BC7_UNORM:
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+            return sizeBC7;
+        case DXGI_FORMAT_AYUV:
+        case DXGI_FORMAT_Y410:
+        case DXGI_FORMAT_Y416:
+        case DXGI_FORMAT_NV12:
+        case DXGI_FORMAT_P010:
+        case DXGI_FORMAT_P016:
+        case DXGI_FORMAT_420_OPAQUE:
+        case DXGI_FORMAT_YUY2:
+        case DXGI_FORMAT_Y210:
+        case DXGI_FORMAT_Y216:
+        case DXGI_FORMAT_NV11:
+        case DXGI_FORMAT_AI44:
+        case DXGI_FORMAT_IA44:
+        case DXGI_FORMAT_P8:
+        case DXGI_FORMAT_A8P8:
+            UNREACHABLE();
+            return sizeUnknown;
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+            return size16;
+        default:
+            UNREACHABLE();
+            return sizeUnknown;
+    }
+}
+
+constexpr VertexFormat::VertexFormat()
+    : conversionType(VERTEX_CONVERT_NONE), nativeFormat(DXGI_FORMAT_UNKNOWN), copyFunction(nullptr)
+{}
+
+constexpr VertexFormat::VertexFormat(VertexConversionType conversionTypeIn,
+                                     DXGI_FORMAT nativeFormatIn,
+                                     VertexCopyFunction copyFunctionIn)
+    : conversionType(conversionTypeIn), nativeFormat(nativeFormatIn), copyFunction(copyFunctionIn)
+{}
+
+const VertexFormat *GetVertexFormatInfo_FL_9_3(angle::FormatID vertexFormatID)
+{
+    // D3D11 Feature Level 9_3 doesn't support as many formats for vertex buffer resource as Feature
+    // Level 10_0+.
+    // http://msdn.microsoft.com/en-us/library/windows/desktop/ff471324(v=vs.85).aspx
+
+    switch (vertexFormatID)
+    {
+        // GL_BYTE -- unnormalized
+        case angle::FormatID::R8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16_SINT,
+                                               &Copy8SintTo16SintVertexData<1, 2>);
+            return &info;
+        }
+        case angle::FormatID::R8G8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16_SINT,
+                                               &Copy8SintTo16SintVertexData<2, 2>);
+            return &info;
+        }
+        case angle::FormatID::R8G8B8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_SINT,
+                                               &Copy8SintTo16SintVertexData<3, 4>);
+            return &info;
+        }
+        case angle::FormatID::R8G8B8A8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_SINT,
+                                               &Copy8SintTo16SintVertexData<4, 4>);
+            return &info;
+        }
+
+        // GL_BYTE -- normalized
+        case angle::FormatID::R8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16_SNORM,
+                                               &Copy8SnormTo16SnormVertexData<1, 2>);
+            return &info;
+        }
+        case angle::FormatID::R8G8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16_SNORM,
+                                               &Copy8SnormTo16SnormVertexData<2, 2>);
+            return &info;
+        }
+        case angle::FormatID::R8G8B8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SNORM,
+                                               &Copy8SnormTo16SnormVertexData<3, 4>);
+            return &info;
+        }
+        case angle::FormatID::R8G8B8A8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SNORM,
+                                               &Copy8SnormTo16SnormVertexData<4, 4>);
+            return &info;
+        }
+
+        // GL_UNSIGNED_BYTE -- un-normalized
+        // NOTE: 3 and 4 component unnormalized GL_UNSIGNED_BYTE should use the default format
+        // table.
+        case angle::FormatID::R8_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 1, 4, 1>);
+            return &info;
+        }
+        case angle::FormatID::R8G8_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 2, 4, 1>);
+            return &info;
+        }
+
+        // GL_UNSIGNED_BYTE -- normalized
+        // NOTE: 3 and 4 component normalized GL_UNSIGNED_BYTE should use the default format table.
+
+        // GL_UNSIGNED_BYTE -- normalized
+        case angle::FormatID::R8_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UNORM,
+                                               &CopyNativeVertexData<GLubyte, 1, 4, UINT8_MAX>);
+            return &info;
+        }
+        case angle::FormatID::R8G8_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UNORM,
+                                               &CopyNativeVertexData<GLubyte, 2, 4, UINT8_MAX>);
+            return &info;
+        }
+
+        // GL_SHORT -- un-normalized
+        // NOTE: 2, 3 and 4 component unnormalized GL_SHORT should use the default format table.
+        case angle::FormatID::R16_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16_SINT,
+                                               &CopyNativeVertexData<GLshort, 1, 2, 0>);
+            return &info;
+        }
+
+        // GL_SHORT -- normalized
+        // NOTE: 2, 3 and 4 component normalized GL_SHORT should use the default format table.
+        case angle::FormatID::R16_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16_SNORM,
+                                               &CopyNativeVertexData<GLshort, 1, 2, 0>);
+            return &info;
+        }
+
+        // GL_UNSIGNED_SHORT -- un-normalized
+        case angle::FormatID::R16_USCALED:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                &CopyToFloatVertexData<GLushort, 1, 2, false, false>);
+            return &info;
+        }
+        case angle::FormatID::R16G16_USCALED:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                &CopyToFloatVertexData<GLushort, 2, 2, false, false>);
+            return &info;
+        }
+        case angle::FormatID::R16G16B16_USCALED:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT,
+                &CopyToFloatVertexData<GLushort, 3, 3, false, false>);
+            return &info;
+        }
+        case angle::FormatID::R16G16B16A16_USCALED:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                &CopyToFloatVertexData<GLushort, 4, 4, false, false>);
+            return &info;
+        }
+
+        // GL_UNSIGNED_SHORT -- normalized
+        case angle::FormatID::R16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                                               &CopyToFloatVertexData<GLushort, 1, 2, true, false>);
+            return &info;
+        }
+        case angle::FormatID::R16G16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                                               &CopyToFloatVertexData<GLushort, 2, 2, true, false>);
+            return &info;
+        }
+        case angle::FormatID::R16G16B16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT,
+                                               &CopyToFloatVertexData<GLushort, 3, 3, true, false>);
+            return &info;
+        }
+        case angle::FormatID::R16G16B16A16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                               &CopyToFloatVertexData<GLushort, 4, 4, true, false>);
+            return &info;
+        }
+
+        // GL_FIXED
+        // TODO: Add test to verify that this works correctly.
+        // NOTE: 2, 3 and 4 component GL_FIXED should use the default format table.
+        case angle::FormatID::R32_FIXED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                                               &Copy32FixedTo32FVertexData<1, 2>);
+            return &info;
+        }
+
+        // GL_FLOAT
+        // TODO: Add test to verify that this works correctly.
+        // NOTE: 2, 3 and 4 component GL_FLOAT should use the default format table.
+        case angle::FormatID::R32_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                                               &CopyNativeVertexData<GLfloat, 1, 2, 0>);
+            return &info;
+        }
+
+        default:
+            return nullptr;
+    }
+}
+
+const VertexFormat &GetVertexFormatInfo(angle::FormatID vertexFormatID,
+                                        D3D_FEATURE_LEVEL featureLevel)
+{
+    if (featureLevel == D3D_FEATURE_LEVEL_9_3)
+    {
+        const VertexFormat *result = GetVertexFormatInfo_FL_9_3(vertexFormatID);
+        if (result)
+        {
+            return *result;
+        }
+    }
+
+    switch (vertexFormatID)
+    {
+        //
+        // Float formats
+        //
+
+        // GL_BYTE -- un-normalized
+        case angle::FormatID::R8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8A8_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8B8A8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_BYTE -- normalized
+        case angle::FormatID::R8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_SNORM,
+                                               &CopyNativeVertexData<GLbyte, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_SNORM,
+                                               &CopyNativeVertexData<GLbyte, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_SNORM,
+                                               &CopyNativeVertexData<GLbyte, 3, 4, INT8_MAX>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8A8_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_SNORM,
+                                               &CopyNativeVertexData<GLbyte, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_BYTE -- un-normalized
+        case angle::FormatID::R8_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8A8_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8B8A8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_BYTE -- normalized
+        case angle::FormatID::R8_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_UNORM,
+                                               &CopyNativeVertexData<GLubyte, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_UNORM,
+                                               &CopyNativeVertexData<GLubyte, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UNORM,
+                                               &CopyNativeVertexData<GLubyte, 3, 4, UINT8_MAX>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8A8_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_UNORM,
+                                               &CopyNativeVertexData<GLubyte, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_SHORT -- un-normalized
+        case angle::FormatID::R16_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R16_SINT,
+                                               &CopyNativeVertexData<GLshort, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16_SINT,
+                                               &CopyNativeVertexData<GLshort, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_SINT,
+                                               &CopyNativeVertexData<GLshort, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16A16_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16B16A16_SINT,
+                                               &CopyNativeVertexData<GLshort, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_SHORT -- normalized
+        case angle::FormatID::R16_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_SNORM,
+                                               &CopyNativeVertexData<GLshort, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_SNORM,
+                                               &CopyNativeVertexData<GLshort, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SNORM,
+                                               &CopyNativeVertexData<GLshort, 3, 4, INT16_MAX>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16A16_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_SNORM,
+                                               &CopyNativeVertexData<GLshort, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_SHORT -- un-normalized
+        case angle::FormatID::R16_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R16_UINT,
+                                               &CopyNativeVertexData<GLushort, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16_UINT,
+                                               &CopyNativeVertexData<GLushort, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_UINT,
+                                               &CopyNativeVertexData<GLushort, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16A16_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16B16A16_UINT,
+                                               &CopyNativeVertexData<GLushort, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_SHORT -- normalized
+        case angle::FormatID::R16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_UNORM,
+                                               &CopyNativeVertexData<GLushort, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_UNORM,
+                                               &CopyNativeVertexData<GLushort, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_UNORM,
+                                               &CopyNativeVertexData<GLushort, 3, 4, UINT16_MAX>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16A16_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_UNORM,
+                                               &CopyNativeVertexData<GLushort, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_INT -- un-normalized
+        case angle::FormatID::R32_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32_SINT,
+                                               &CopyNativeVertexData<GLint, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32_SINT,
+                                               &CopyNativeVertexData<GLint, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32_SINT,
+                                               &CopyNativeVertexData<GLint, 3, 3, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_SSCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32A32_SINT,
+                                               &CopyNativeVertexData<GLint, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_INT -- normalized
+        case angle::FormatID::R32_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32_FLOAT,
+                                               &CopyToFloatVertexData<GLint, 1, 1, true, false>);
+            return info;
+        }
+        case angle::FormatID::R32G32_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                                               &CopyToFloatVertexData<GLint, 2, 2, true, false>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT,
+                                               &CopyToFloatVertexData<GLint, 3, 3, true, false>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_SNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                               &CopyToFloatVertexData<GLint, 4, 4, true, false>);
+            return info;
+        }
+
+        // GL_UNSIGNED_INT -- un-normalized
+        case angle::FormatID::R32_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32_UINT,
+                                               &CopyNativeVertexData<GLuint, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32_UINT,
+                                               &CopyNativeVertexData<GLuint, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32_UINT,
+                                               &CopyNativeVertexData<GLuint, 3, 3, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_USCALED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32A32_UINT,
+                                               &CopyNativeVertexData<GLuint, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_INT -- normalized
+        case angle::FormatID::R32_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32_FLOAT,
+                                               &CopyToFloatVertexData<GLuint, 1, 1, true, false>);
+            return info;
+        }
+        case angle::FormatID::R32G32_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                                               &CopyToFloatVertexData<GLuint, 2, 2, true, false>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT,
+                                               &CopyToFloatVertexData<GLuint, 3, 3, true, false>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                               &CopyToFloatVertexData<GLuint, 4, 4, true, false>);
+            return info;
+        }
+
+        // GL_FIXED
+        case angle::FormatID::R32_FIXED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32_FLOAT,
+                                               &Copy32FixedTo32FVertexData<1, 1>);
+            return info;
+        }
+        case angle::FormatID::R32G32_FIXED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT,
+                                               &Copy32FixedTo32FVertexData<2, 2>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_FIXED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT,
+                                               &Copy32FixedTo32FVertexData<3, 3>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_FIXED:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                               &Copy32FixedTo32FVertexData<4, 4>);
+            return info;
+        }
+
+        // GL_HALF_FLOAT
+        case angle::FormatID::R16_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_FLOAT,
+                                               &CopyNativeVertexData<GLhalf, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_FLOAT,
+                                               &CopyNativeVertexData<GLhalf, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                               &CopyNativeVertexData<GLhalf, 3, 4, gl::Float16One>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16A16_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                               &CopyNativeVertexData<GLhalf, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_FLOAT
+        case angle::FormatID::R32_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32_FLOAT,
+                                               &CopyNativeVertexData<GLfloat, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32_FLOAT,
+                                               &CopyNativeVertexData<GLfloat, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32_FLOAT,
+                                               &CopyNativeVertexData<GLfloat, 3, 3, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_FLOAT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                               &CopyNativeVertexData<GLfloat, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_INT_2_10_10_10_REV
+        case angle::FormatID::R10G10B10A2_SSCALED:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                &CopyXYZ10W2ToXYZWFloatVertexData<true, false, true, false>);
+            return info;
+        }
+        case angle::FormatID::R10G10B10A2_SNORM:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                &CopyXYZ10W2ToXYZWFloatVertexData<true, true, true, false>);
+            return info;
+        }
+
+        // GL_UNSIGNED_INT_2_10_10_10_REV
+        case angle::FormatID::R10G10B10A2_USCALED:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT,
+                &CopyXYZ10W2ToXYZWFloatVertexData<false, false, true, false>);
+            return info;
+        }
+        case angle::FormatID::R10G10B10A2_UNORM:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R10G10B10A2_UNORM,
+                                               &CopyNativeVertexData<GLuint, 1, 1, 0>);
+            return info;
+        }
+
+        //
+        // Integer Formats
+        //
+
+        // GL_BYTE
+        case angle::FormatID::R8_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8A8_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_SINT,
+                                               &CopyNativeVertexData<GLbyte, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_BYTE
+        case angle::FormatID::R8_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R8G8B8A8_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_UINT,
+                                               &CopyNativeVertexData<GLubyte, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_SHORT
+        case angle::FormatID::R16_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_SINT,
+                                               &CopyNativeVertexData<GLshort, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_SINT,
+                                               &CopyNativeVertexData<GLshort, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SINT,
+                                               &CopyNativeVertexData<GLshort, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16A16_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_SINT,
+                                               &CopyNativeVertexData<GLshort, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_SHORT
+        case angle::FormatID::R16_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_UINT,
+                                               &CopyNativeVertexData<GLushort, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_UINT,
+                                               &CopyNativeVertexData<GLushort, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_UINT,
+                                               &CopyNativeVertexData<GLushort, 3, 4, 1>);
+            return info;
+        }
+        case angle::FormatID::R16G16B16A16_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_UINT,
+                                               &CopyNativeVertexData<GLushort, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_INT
+        case angle::FormatID::R32_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32_SINT,
+                                               &CopyNativeVertexData<GLint, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32_SINT,
+                                               &CopyNativeVertexData<GLint, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32_SINT,
+                                               &CopyNativeVertexData<GLint, 3, 3, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_SINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32A32_SINT,
+                                               &CopyNativeVertexData<GLint, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_UNSIGNED_INT
+        case angle::FormatID::R32_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32_SINT,
+                                               &CopyNativeVertexData<GLuint, 1, 1, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32_SINT,
+                                               &CopyNativeVertexData<GLuint, 2, 2, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32_SINT,
+                                               &CopyNativeVertexData<GLuint, 3, 3, 0>);
+            return info;
+        }
+        case angle::FormatID::R32G32B32A32_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32A32_SINT,
+                                               &CopyNativeVertexData<GLuint, 4, 4, 0>);
+            return info;
+        }
+
+        // GL_INT_2_10_10_10_REV
+        case angle::FormatID::R10G10B10A2_SINT:
+        {
+            static constexpr VertexFormat info(
+                VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SINT,
+                &CopyXYZ10W2ToXYZWFloatVertexData<true, true, false, false>);
+            return info;
+        }
+
+        // GL_UNSIGNED_INT_2_10_10_10_REV
+        case angle::FormatID::R10G10B10A2_UINT:
+        {
+            static constexpr VertexFormat info(VERTEX_CONVERT_NONE, DXGI_FORMAT_R10G10B10A2_UINT,
+                                               &CopyNativeVertexData<GLuint, 1, 1, 0>);
+            return info;
+        }
+
+        default:
+        {
+            static constexpr VertexFormat info;
+            return info;
+        }
+    }
+}
+
+}  // namespace d3d11
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/formatutils11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/formatutils11.h
new file mode 100644
index 0000000000..e4c3994280
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/formatutils11.h
@@ -0,0 +1,64 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils11.h: Queries for GL image formats and their translations to D3D11
+// formats.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_FORMATUTILS11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_FORMATUTILS11_H_
+
+#include <map>
+
+#include "common/platform.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/copyvertex.h"
+#include "libANGLE/renderer/d3d/formatutilsD3D.h"
+#include "libANGLE/renderer/dxgi_format_map.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace rx
+{
+struct Renderer11DeviceCaps;
+
+namespace d3d11
+{
+
+// A texture might be stored as DXGI_FORMAT_R16_TYPELESS but store integer components,
+// which are accessed through an DXGI_FORMAT_R16_SINT view. It's easy to write code which queries
+// information about the wrong format. Therefore, use of this should be avoided where possible.
+
+bool SupportsMipGen(DXGI_FORMAT dxgiFormat, D3D_FEATURE_LEVEL featureLevel);
+
+struct DXGIFormatSize
+{
+    DXGIFormatSize(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight);
+
+    GLuint pixelBytes;
+    GLuint blockWidth;
+    GLuint blockHeight;
+};
+const DXGIFormatSize &GetDXGIFormatSizeInfo(DXGI_FORMAT format);
+
+struct VertexFormat : private angle::NonCopyable
+{
+    constexpr VertexFormat();
+    constexpr VertexFormat(VertexConversionType conversionType,
+                           DXGI_FORMAT nativeFormat,
+                           VertexCopyFunction copyFunction);
+
+    VertexConversionType conversionType;
+    DXGI_FORMAT nativeFormat;
+    VertexCopyFunction copyFunction;
+};
+
+const VertexFormat &GetVertexFormatInfo(angle::FormatID vertexFormatID,
+                                        D3D_FEATURE_LEVEL featureLevel);
+}  // namespace d3d11
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_FORMATUTILS11_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
new file mode 100644
index 0000000000..8cd97ee43d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
@@ -0,0 +1,2751 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// renderer11_utils.cpp: Conversion functions and other utility routines
+// specific to the D3D11 renderer.
+
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include <versionhelpers.h>
+#include <algorithm>
+
+#include "common/debug.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/State.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/Context11.h"
+#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+#include "libANGLE/renderer/driver_utils.h"
+#include "libANGLE/renderer/dxgi_support_table.h"
+#include "platform/FeaturesD3D_autogen.h"
+#include "platform/PlatformMethods.h"
+
+namespace rx
+{
+
+namespace d3d11_gl
+{
+namespace
+{
+// TODO(xinghua.cao@intel.com): Get a more accurate limit.
+static D3D_FEATURE_LEVEL kMinimumFeatureLevelForES31 = D3D_FEATURE_LEVEL_11_0;
+
+// Helper functor for querying DXGI support. Saves passing the parameters repeatedly.
+class DXGISupportHelper : angle::NonCopyable
+{
+  public:
+    DXGISupportHelper(ID3D11Device *device, D3D_FEATURE_LEVEL featureLevel)
+        : mDevice(device), mFeatureLevel(featureLevel)
+    {}
+
+    bool query(DXGI_FORMAT dxgiFormat, UINT supportMask)
+    {
+        if (dxgiFormat == DXGI_FORMAT_UNKNOWN)
+            return false;
+
+        auto dxgiSupport = d3d11::GetDXGISupport(dxgiFormat, mFeatureLevel);
+
+        UINT supportedBits = dxgiSupport.alwaysSupportedFlags;
+
+        if ((dxgiSupport.optionallySupportedFlags & supportMask) != 0)
+        {
+            UINT formatSupport;
+            if (SUCCEEDED(mDevice->CheckFormatSupport(dxgiFormat, &formatSupport)))
+            {
+                supportedBits |= (formatSupport & supportMask);
+            }
+            else
+            {
+                // TODO(jmadill): find out why we fail this call sometimes in FL9_3
+                // ERR() << "Error checking format support for format 0x" << std::hex << dxgiFormat;
+            }
+        }
+
+        return ((supportedBits & supportMask) == supportMask);
+    }
+
+  private:
+    ID3D11Device *mDevice;
+    D3D_FEATURE_LEVEL mFeatureLevel;
+};
+
+gl::TextureCaps GenerateTextureFormatCaps(gl::Version maxClientVersion,
+                                          GLenum internalFormat,
+                                          ID3D11Device *device,
+                                          const Renderer11DeviceCaps &renderer11DeviceCaps)
+{
+    gl::TextureCaps textureCaps;
+
+    DXGISupportHelper support(device, renderer11DeviceCaps.featureLevel);
+    const d3d11::Format &formatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
+
+    const gl::InternalFormat &internalFormatInfo = gl::GetSizedInternalFormatInfo(internalFormat);
+
+    UINT texSupportMask = D3D11_FORMAT_SUPPORT_TEXTURE2D;
+    if (internalFormatInfo.depthBits == 0 && internalFormatInfo.stencilBits == 0)
+    {
+        texSupportMask |= D3D11_FORMAT_SUPPORT_TEXTURECUBE;
+        if (maxClientVersion.major > 2)
+        {
+            texSupportMask |= D3D11_FORMAT_SUPPORT_TEXTURE3D;
+        }
+    }
+
+    textureCaps.texturable = support.query(formatInfo.texFormat, texSupportMask);
+    textureCaps.filterable =
+        support.query(formatInfo.srvFormat, D3D11_FORMAT_SUPPORT_SHADER_SAMPLE);
+    textureCaps.textureAttachment =
+        (support.query(formatInfo.rtvFormat, D3D11_FORMAT_SUPPORT_RENDER_TARGET)) ||
+        (support.query(formatInfo.dsvFormat, D3D11_FORMAT_SUPPORT_DEPTH_STENCIL));
+    textureCaps.renderbuffer = textureCaps.textureAttachment;
+    textureCaps.blendable    = textureCaps.renderbuffer;
+
+    DXGI_FORMAT renderFormat = DXGI_FORMAT_UNKNOWN;
+    if (formatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        renderFormat = formatInfo.dsvFormat;
+    }
+    else if (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN)
+    {
+        renderFormat = formatInfo.rtvFormat;
+    }
+    if (renderFormat != DXGI_FORMAT_UNKNOWN &&
+        support.query(renderFormat, D3D11_FORMAT_SUPPORT_MULTISAMPLE_RENDERTARGET))
+    {
+        // Assume 1x
+        textureCaps.sampleCounts.insert(1);
+
+        for (unsigned int sampleCount = 2; sampleCount <= D3D11_MAX_MULTISAMPLE_SAMPLE_COUNT;
+             sampleCount *= 2)
+        {
+            UINT qualityCount = 0;
+            if (SUCCEEDED(device->CheckMultisampleQualityLevels(renderFormat, sampleCount,
+                                                                &qualityCount)))
+            {
+                // Assume we always support lower sample counts
+                if (qualityCount == 0)
+                {
+                    break;
+                }
+                textureCaps.sampleCounts.insert(sampleCount);
+            }
+        }
+    }
+
+    return textureCaps;
+}
+
+bool GetNPOTTextureSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+float GetMaximumAnisotropy(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_MAX_MAXANISOTROPY;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_MAX_MAXANISOTROPY;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return 16;
+
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_DEFAULT_MAX_ANISOTROPY;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+bool GetOcclusionQuerySupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+        // ID3D11Device::CreateQuery
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return true;
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetEventQuerySupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+    // ID3D11Device::CreateQuery
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return true;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetInstancingSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+    // ID3D11Device::CreateInputLayout
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        // Feature Level 9_3 supports instancing, but slot 0 in the input layout must not be
+        // instanced.
+        // D3D9 has a similar restriction, where stream 0 must not be instanced.
+        // This restriction can be worked around by remapping any non-instanced slot to slot
+        // 0.
+        // This works because HLSL uses shader semantics to match the vertex inputs to the
+        // elements in the input layout, rather than the slots.
+        // Note that we only support instancing via ANGLE_instanced_array on 9_3, since 9_3
+        // doesn't support OpenGL ES 3.0
+        case D3D_FEATURE_LEVEL_9_3:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetFramebufferMultisampleSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetFramebufferBlitSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetDerivativeInstructionSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    // http://msdn.microsoft.com/en-us/library/windows/desktop/bb509588.aspx states that
+    // shader model
+    // ps_2_x is required for the ddx (and other derivative functions).
+
+    // http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx states that
+    // feature level
+    // 9.3 supports shader model ps_2_x.
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+            return true;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GetShaderTextureLODSupport(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return true;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return false;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+int GetMaximumSimultaneousRenderTargets(D3D_FEATURE_LEVEL featureLevel)
+{
+    // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476150.aspx
+    // ID3D11Device::CreateInputLayout
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_SIMULTANEOUS_RENDER_TARGET_COUNT;
+
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_SIMULTANEOUS_RENDER_TARGET_COUNT;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_SIMULTANEOUS_RENDER_TARGET_COUNT;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximum2DTextureSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumCubeMapTextureSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURECUBE_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURECUBE_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_REQ_TEXTURECUBE_DIMENSION;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURECUBE_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximum2DTextureArraySize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximum3DTextureSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumViewportSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_VIEWPORT_BOUNDS_MAX;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_VIEWPORT_BOUNDS_MAX;
+
+        // No constants for D3D11 Feature Level 9 viewport size limits, use the maximum
+        // texture sizes
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumDrawIndexedIndexCount(D3D_FEATURE_LEVEL featureLevel)
+{
+    // D3D11 allows up to 2^32 elements, but we report max signed int for convenience since
+    // that's what's
+    // returned from glGetInteger
+    static_assert(D3D11_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32,
+                  "Unexpected D3D11 constant value.");
+    static_assert(D3D10_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32,
+                  "Unexpected D3D11 constant value.");
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return std::numeric_limits<GLint>::max();
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return D3D_FL9_2_IA_PRIMITIVE_MAX_COUNT;
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_IA_PRIMITIVE_MAX_COUNT;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumDrawVertexCount(D3D_FEATURE_LEVEL featureLevel)
+{
+    // D3D11 allows up to 2^32 elements, but we report max signed int for convenience since
+    // that's what's
+    // returned from glGetInteger
+    static_assert(D3D11_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32, "Unexpected D3D11 constant value.");
+    static_assert(D3D10_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32, "Unexpected D3D11 constant value.");
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return std::numeric_limits<GLint>::max();
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+            return D3D_FL9_2_IA_PRIMITIVE_MAX_COUNT;
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_IA_PRIMITIVE_MAX_COUNT;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumVertexInputSlots(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_STANDARD_VERTEX_ELEMENT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_STANDARD_VERTEX_ELEMENT_COUNT;
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_STANDARD_VERTEX_ELEMENT_COUNT;
+
+        // From http://http://msdn.microsoft.com/en-us/library/windows/desktop/ff476876.aspx
+        // "Max Input Slots"
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 16;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::VSSetConstantBuffers
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 255 - d3d11_gl::GetReservedVertexUniformVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumVertexUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        // Uniform blocks not supported on D3D11 Feature Level 9
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetReservedVertexOutputVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    // According to The OpenGL ES Shading Language specifications
+    // (Language Version 1.00 section 10.16, Language Version 3.10 section 12.21)
+    // built-in special variables (e.g. gl_FragCoord, or gl_PointCoord)
+    // which are statically used in the shader should be included in the variable packing
+    // algorithm.
+    // Therefore, we should not reserve output vectors for them.
+
+    switch (featureLevel)
+    {
+        // We must reserve one output vector for dx_Position.
+        // We also reserve one for gl_Position, which we unconditionally output on Feature
+        // Levels 10_0+,
+        // even if it's unused in the shader (e.g. for transform feedback). TODO: This could
+        // be improved.
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 2;
+
+        // Just reserve dx_Position on Feature Level 9, since we don't ever need to output
+        // gl_Position.
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 1;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumVertexOutputVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    static_assert(gl::IMPLEMENTATION_MAX_VARYING_VECTORS == D3D11_VS_OUTPUT_REGISTER_COUNT,
+                  "Unexpected D3D11 constant value.");
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_VS_OUTPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        // Use Shader Model 2.X limits
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 8 - GetReservedVertexOutputVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumVertexTextureUnits(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        // Vertex textures not supported on D3D11 Feature Level 9 according to
+        // http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::VSSetSamplers and ID3D11DeviceContext::VSSetShaderResources
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumPixelUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    // TODO(geofflang): Remove hard-coded limit once the gl-uniform-arrays test can pass
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return 1024;  // D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 1024;  // D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+
+        // From http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::PSSetConstantBuffers
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 32 - d3d11_gl::GetReservedFragmentUniformVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumPixelUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+
+        // Uniform blocks not supported on D3D11 Feature Level 9
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumPixelInputVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_PS_INPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_PS_INPUT_REGISTER_COUNT - GetReservedVertexOutputVectors(featureLevel);
+
+        // Use Shader Model 2.X limits
+        case D3D_FEATURE_LEVEL_9_3:
+            return 8 - GetReservedVertexOutputVectors(featureLevel);
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 8 - GetReservedVertexOutputVectors(featureLevel);
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumPixelTextureUnits(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_SAMPLER_SLOT_COUNT;
+
+        // http://msdn.microsoft.com/en-us/library/windows/desktop/ff476149.aspx
+        // ID3D11DeviceContext::PSSetShaderResources
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 16;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+std::array<GLint, 3> GetMaxComputeWorkGroupCount(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return {{D3D11_CS_DISPATCH_MAX_THREAD_GROUPS_PER_DIMENSION,
+                     D3D11_CS_DISPATCH_MAX_THREAD_GROUPS_PER_DIMENSION,
+                     D3D11_CS_DISPATCH_MAX_THREAD_GROUPS_PER_DIMENSION}};
+        default:
+            return {{0, 0, 0}};
+    }
+}
+
+std::array<GLint, 3> GetMaxComputeWorkGroupSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return {{D3D11_CS_THREAD_GROUP_MAX_X, D3D11_CS_THREAD_GROUP_MAX_Y,
+                     D3D11_CS_THREAD_GROUP_MAX_Z}};
+        default:
+            return {{0, 0, 0}};
+    }
+}
+
+int GetMaxComputeWorkGroupInvocations(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_CS_THREAD_GROUP_MAX_THREADS_PER_GROUP;
+        default:
+            return 0;
+    }
+}
+
+int GetMaxComputeSharedMemorySize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        // In D3D11 the maximum total size of all variables with the groupshared storage class is
+        // 32kb.
+        // https://docs.microsoft.com/en-us/windows/desktop/direct3dhlsl/dx-graphics-hlsl-variable-syntax
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return 32768;
+        default:
+            return 0;
+    }
+}
+
+int GetMaximumComputeUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT;
+        default:
+            return 0;
+    }
+}
+
+int GetMaximumComputeUniformBlocks(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT -
+                   d3d11::RESERVED_CONSTANT_BUFFER_SLOT_COUNT;
+        default:
+            return 0;
+    }
+}
+
+int GetMaximumComputeTextureUnits(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT;
+        default:
+            return 0;
+    }
+}
+
+void SetUAVRelatedResourceLimits(D3D_FEATURE_LEVEL featureLevel, gl::Caps *caps)
+{
+    ASSERT(caps);
+
+    GLuint reservedUAVsForAtomicCounterBuffers = 0u;
+
+    // For pixel shaders, the render targets and unordered access views share the same resource
+    // slots when being written out.
+    // https://msdn.microsoft.com/en-us/library/windows/desktop/ff476465(v=vs.85).aspx
+    GLuint maxNumRTVsAndUAVs = 0u;
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+            // Currently we allocate 4 UAV slots for atomic counter buffers on feature level 11_1.
+            reservedUAVsForAtomicCounterBuffers = 4u;
+            maxNumRTVsAndUAVs                   = D3D11_1_UAV_SLOT_COUNT;
+            break;
+        case D3D_FEATURE_LEVEL_11_0:
+            // Currently we allocate 1 UAV slot for atomic counter buffers on feature level 11_0.
+            reservedUAVsForAtomicCounterBuffers = 1u;
+            maxNumRTVsAndUAVs                   = D3D11_PS_CS_UAV_REGISTER_COUNT;
+            break;
+        default:
+            return;
+    }
+
+    // Set limits on atomic counter buffers in fragment shaders and compute shaders.
+    caps->maxCombinedAtomicCounterBuffers = reservedUAVsForAtomicCounterBuffers;
+    caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Compute] =
+        reservedUAVsForAtomicCounterBuffers;
+    caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Fragment] =
+        reservedUAVsForAtomicCounterBuffers;
+    caps->maxAtomicCounterBufferBindings = reservedUAVsForAtomicCounterBuffers;
+
+    // Setting MAX_COMPUTE_ATOMIC_COUNTERS to a conservative number of 1024 * the number of UAV
+    // reserved for atomic counters. It could theoretically be set to max buffer size / 4 but that
+    // number could cause problems.
+    caps->maxCombinedAtomicCounters = reservedUAVsForAtomicCounterBuffers * 1024;
+    caps->maxShaderAtomicCounters[gl::ShaderType::Compute] = caps->maxCombinedAtomicCounters;
+
+    // See
+    // https://docs.microsoft.com/en-us/windows/desktop/direct3d11/overviews-direct3d-11-resources-limits
+    // Resource size (in MB) for any of the preceding resources is min(max(128,0.25f * (amount of
+    // dedicated VRAM)), 2048) MB. So we set it to 128MB to keep same with GL backend.
+    caps->maxShaderStorageBlockSize =
+        D3D11_REQ_RESOURCE_SIZE_IN_MEGABYTES_EXPRESSION_A_TERM * 1024 * 1024;
+
+    // Allocate the remaining slots for images and shader storage blocks.
+    // The maximum number of fragment shader outputs depends on the current context version, so we
+    // will not set it here. See comments in Context11::initialize().
+    caps->maxCombinedShaderOutputResources =
+        maxNumRTVsAndUAVs - reservedUAVsForAtomicCounterBuffers;
+
+    // Set limits on images and shader storage blocks in fragment shaders and compute shaders.
+    caps->maxCombinedShaderStorageBlocks                   = caps->maxCombinedShaderOutputResources;
+    caps->maxShaderStorageBlocks[gl::ShaderType::Compute]  = caps->maxCombinedShaderOutputResources;
+    caps->maxShaderStorageBlocks[gl::ShaderType::Fragment] = caps->maxCombinedShaderOutputResources;
+    caps->maxShaderStorageBufferBindings                   = caps->maxCombinedShaderOutputResources;
+
+    caps->maxImageUnits                                    = caps->maxCombinedShaderOutputResources;
+    caps->maxCombinedImageUniforms                         = caps->maxCombinedShaderOutputResources;
+    caps->maxShaderImageUniforms[gl::ShaderType::Compute]  = caps->maxCombinedShaderOutputResources;
+    caps->maxShaderImageUniforms[gl::ShaderType::Fragment] = caps->maxCombinedShaderOutputResources;
+
+    // On feature level 11_1, UAVs are also available in vertex shaders and geometry shaders.
+    if (featureLevel == D3D_FEATURE_LEVEL_11_1)
+    {
+        caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Vertex] =
+            caps->maxCombinedAtomicCounterBuffers;
+        caps->maxShaderAtomicCounterBuffers[gl::ShaderType::Geometry] =
+            caps->maxCombinedAtomicCounterBuffers;
+
+        caps->maxShaderImageUniforms[gl::ShaderType::Vertex] =
+            caps->maxCombinedShaderOutputResources;
+        caps->maxShaderStorageBlocks[gl::ShaderType::Vertex] =
+            caps->maxCombinedShaderOutputResources;
+        caps->maxShaderImageUniforms[gl::ShaderType::Geometry] =
+            caps->maxCombinedShaderOutputResources;
+        caps->maxShaderStorageBlocks[gl::ShaderType::Geometry] =
+            caps->maxCombinedShaderOutputResources;
+    }
+}
+
+int GetMinimumTexelOffset(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_NEGATIVE;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_COMMONSHADER_TEXEL_OFFSET_MAX_NEGATIVE;
+
+        // Sampling functions with offsets are not available below shader model 4.0.
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumTexelOffset(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_POSITIVE;
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D11_COMMONSHADER_TEXEL_OFFSET_MAX_POSITIVE;
+
+        // Sampling functions with offsets are not available below shader model 4.0.
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMinimumTextureGatherOffset(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        // https://docs.microsoft.com/en-us/windows/desktop/direct3dhlsl/gather4-po--sm5---asm-
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return -32;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumTextureGatherOffset(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        // https://docs.microsoft.com/en-us/windows/desktop/direct3dhlsl/gather4-po--sm5---asm-
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return 31;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+size_t GetMaximumConstantBufferSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    // Returns a size_t despite the limit being a GLuint64 because size_t is the maximum
+    // size of
+    // any buffer that could be allocated.
+
+    const size_t bytesPerComponent = 4 * sizeof(float);
+
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * bytesPerComponent;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * bytesPerComponent;
+
+        // Limits from http://msdn.microsoft.com/en-us/library/windows/desktop/ff476501.aspx
+        // remarks section
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 4096 * bytesPerComponent;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumStreamOutputBuffers(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_SO_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_10_1:
+            return D3D10_1_SO_BUFFER_SLOT_COUNT;
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_SO_BUFFER_SLOT_COUNT;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumStreamOutputInterleavedComponents(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return GetMaximumVertexOutputVectors(featureLevel) * 4;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumStreamOutputSeparateComponents(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return GetMaximumStreamOutputInterleavedComponents(featureLevel) /
+                   GetMaximumStreamOutputBuffers(featureLevel);
+
+        // D3D 10 and 10.1 only allow one output per output slot if an output slot other
+        // than zero is used.
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 4;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+int GetMaximumRenderToBufferWindowSize(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_REQ_RENDER_TO_BUFFER_WINDOW_WIDTH;
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return D3D10_REQ_RENDER_TO_BUFFER_WINDOW_WIDTH;
+
+        // REQ_RENDER_TO_BUFFER_WINDOW_WIDTH not supported on D3D11 Feature Level 9,
+        // use the maximum texture sizes
+        case D3D_FEATURE_LEVEL_9_3:
+            return D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+IntelDriverVersion GetIntelDriverVersion(const Optional<LARGE_INTEGER> driverVersion)
+{
+    if (!driverVersion.valid())
+        return IntelDriverVersion(0);
+
+    DWORD lowPart = driverVersion.value().LowPart;
+    return IntelDriverVersion(HIWORD(lowPart) * 10000 + LOWORD(lowPart));
+}
+
+}  // anonymous namespace
+
+unsigned int GetReservedVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 0;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 3;  // dx_ViewAdjust, dx_ViewCoords and dx_ViewScale
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+unsigned int GetReservedFragmentUniformVectors(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 0;
+
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 4;  // dx_ViewCoords, dx_DepthFront, dx_DepthRange, dx_FragCoordOffset
+
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+gl::Version GetMaximumClientVersion(const Renderer11DeviceCaps &caps)
+{
+    switch (caps.featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return gl::Version(3, 1);
+        case D3D_FEATURE_LEVEL_10_1:
+            return gl::Version(3, 0);
+
+        case D3D_FEATURE_LEVEL_10_0:
+            if (caps.allowES3OnFL10_0)
+            {
+                return gl::Version(3, 0);
+            }
+            else
+            {
+                return gl::Version(2, 0);
+            }
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return gl::Version(2, 0);
+
+        default:
+            UNREACHABLE();
+            return gl::Version(0, 0);
+    }
+}
+
+D3D_FEATURE_LEVEL GetMinimumFeatureLevelForES31()
+{
+    return kMinimumFeatureLevelForES31;
+}
+
+unsigned int GetMaxViewportAndScissorRectanglesPerPipeline(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE;
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 1;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+bool IsMultiviewSupported(D3D_FEATURE_LEVEL featureLevel)
+{
+    // The ANGLE_multiview extension can always be supported in D3D11 through geometry shaders.
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            return true;
+        default:
+            return false;
+    }
+}
+
+int GetMaxSampleMaskWords(D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        // D3D10+ only allows 1 sample mask.
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            return 1;
+        case D3D_FEATURE_LEVEL_9_3:
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            return 0;
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+bool HasTextureBufferSupport(ID3D11Device *device, const Renderer11DeviceCaps &renderer11DeviceCaps)
+{
+    if (renderer11DeviceCaps.featureLevel < D3D_FEATURE_LEVEL_11_0)
+        return false;
+
+    if (!renderer11DeviceCaps.supportsTypedUAVLoadAdditionalFormats)
+        return false;
+
+    // https://docs.microsoft.com/en-us/windows/win32/direct3d12/typed-unordered-access-view-loads
+    // we don't need to check the typed store. from the spec,
+    // https://microsoft.github.io/DirectX-Specs/d3d/archive/D3D11_3_FunctionalSpec.htm#FormatList
+    // all the following format support typed stored.
+    // According to spec,
+    // https://www.khronos.org/registry/OpenGL-Refpages/es3/html/glBindImageTexture.xhtml the
+    // required image unit format are GL_RGBA32F, GL_RGBA32UI, GL_RGBA32I, GL_RGBA16F, GL_RGBA16UI,
+    // GL_RGBA16I, GL_RGBA8, GL_RGBAUI, GL_RGBA8I, GL_RGBA8_SNORM, GL_R32F, GL_R32UI, GL_R32I,
+    const std::array<DXGI_FORMAT, 2> &optionalFormats = {
+        DXGI_FORMAT_R32G32B32A32_FLOAT,  // test for GL_RGBA32(UIF), GL_RGBA16(UIF),
+                                         // GL_RGBA8(UIUnorm)
+        DXGI_FORMAT_R8G8B8A8_SNORM,      // test for GL_RGBA8_SNORM,
+    };
+
+    for (DXGI_FORMAT dxgiFormat : optionalFormats)
+    {
+        D3D11_FEATURE_DATA_FORMAT_SUPPORT FormatSupport = {dxgiFormat, 0};
+        if (!SUCCEEDED(device->CheckFeatureSupport(D3D11_FEATURE_FORMAT_SUPPORT, &FormatSupport,
+                                                   sizeof(FormatSupport))))
+        {
+            WARN() << "Error checking typed load support for format 0x" << std::hex << dxgiFormat;
+            return false;
+        }
+        if ((FormatSupport.OutFormatSupport & D3D11_FORMAT_SUPPORT2_UAV_TYPED_LOAD) == 0)
+            return false;
+    }
+    return true;
+}
+
+void GenerateCaps(ID3D11Device *device,
+                  ID3D11DeviceContext *deviceContext,
+                  const Renderer11DeviceCaps &renderer11DeviceCaps,
+                  const angle::FeaturesD3D &features,
+                  const char *description,
+                  gl::Caps *caps,
+                  gl::TextureCapsMap *textureCapsMap,
+                  gl::Extensions *extensions,
+                  gl::Limitations *limitations)
+{
+    D3D_FEATURE_LEVEL featureLevel  = renderer11DeviceCaps.featureLevel;
+    const gl::FormatSet &allFormats = gl::GetAllSizedInternalFormats();
+    for (GLenum internalFormat : allFormats)
+    {
+        gl::TextureCaps textureCaps =
+            GenerateTextureFormatCaps(GetMaximumClientVersion(renderer11DeviceCaps), internalFormat,
+                                      device, renderer11DeviceCaps);
+        textureCapsMap->insert(internalFormat, textureCaps);
+    }
+
+    // GL core feature limits
+    // Reserve MAX_UINT for D3D11's primitive restart.
+    caps->maxElementIndex  = static_cast<GLint64>(std::numeric_limits<unsigned int>::max() - 1);
+    caps->max3DTextureSize = GetMaximum3DTextureSize(featureLevel);
+    caps->max2DTextureSize = GetMaximum2DTextureSize(featureLevel);
+    caps->maxCubeMapTextureSize = GetMaximumCubeMapTextureSize(featureLevel);
+    caps->maxArrayTextureLayers = GetMaximum2DTextureArraySize(featureLevel);
+
+    // Unimplemented, set to minimum required
+    caps->maxLODBias = 2.0f;
+
+    // No specific limits on render target size, maximum 2D texture size is equivalent
+    caps->maxRenderbufferSize = caps->max2DTextureSize;
+
+    // Maximum draw buffers and color attachments are the same, max color attachments could
+    // eventually be increased to 16
+    caps->maxDrawBuffers      = GetMaximumSimultaneousRenderTargets(featureLevel);
+    caps->maxColorAttachments = GetMaximumSimultaneousRenderTargets(featureLevel);
+
+    // D3D11 has the same limit for viewport width and height
+    caps->maxViewportWidth  = GetMaximumViewportSize(featureLevel);
+    caps->maxViewportHeight = caps->maxViewportWidth;
+
+    // Choose a reasonable maximum, enforced in the shader.
+    caps->minAliasedPointSize = 1.0f;
+    caps->maxAliasedPointSize = 1024.0f;
+
+    // Wide lines not supported
+    caps->minAliasedLineWidth = 1.0f;
+    caps->maxAliasedLineWidth = 1.0f;
+
+    // Primitive count limits
+    caps->maxElementsIndices  = GetMaximumDrawIndexedIndexCount(featureLevel);
+    caps->maxElementsVertices = GetMaximumDrawVertexCount(featureLevel);
+
+    // Program and shader binary formats (no supported shader binary formats)
+    caps->programBinaryFormats.push_back(GL_PROGRAM_BINARY_ANGLE);
+
+    caps->vertexHighpFloat.setIEEEFloat();
+    caps->vertexMediumpFloat.setIEEEFloat();
+    caps->vertexLowpFloat.setIEEEFloat();
+    caps->fragmentHighpFloat.setIEEEFloat();
+    caps->fragmentMediumpFloat.setIEEEFloat();
+    caps->fragmentLowpFloat.setIEEEFloat();
+
+    // 32-bit integers are natively supported
+    caps->vertexHighpInt.setTwosComplementInt(32);
+    caps->vertexMediumpInt.setTwosComplementInt(32);
+    caps->vertexLowpInt.setTwosComplementInt(32);
+    caps->fragmentHighpInt.setTwosComplementInt(32);
+    caps->fragmentMediumpInt.setTwosComplementInt(32);
+    caps->fragmentLowpInt.setTwosComplementInt(32);
+
+    // We do not wait for server fence objects internally, so report a max timeout of zero.
+    caps->maxServerWaitTimeout = 0;
+
+    // Vertex shader limits
+    caps->maxVertexAttributes     = GetMaximumVertexInputSlots(featureLevel);
+    caps->maxVertexUniformVectors = GetMaximumVertexUniformVectors(featureLevel);
+    if (features.skipVSConstantRegisterZero.enabled)
+    {
+        caps->maxVertexUniformVectors -= 1;
+    }
+    caps->maxShaderUniformComponents[gl::ShaderType::Vertex] = caps->maxVertexUniformVectors * 4;
+    caps->maxShaderUniformBlocks[gl::ShaderType::Vertex] =
+        GetMaximumVertexUniformBlocks(featureLevel);
+    caps->maxVertexOutputComponents = GetMaximumVertexOutputVectors(featureLevel) * 4;
+    caps->maxShaderTextureImageUnits[gl::ShaderType::Vertex] =
+        GetMaximumVertexTextureUnits(featureLevel);
+
+    // Vertex Attribute Bindings are emulated on D3D11.
+    caps->maxVertexAttribBindings = caps->maxVertexAttributes;
+    // Experimental testing confirmed there is no explicit limit on maximum buffer offset in D3D11.
+    caps->maxVertexAttribRelativeOffset = std::numeric_limits<GLint>::max();
+    // Experimental testing confirmed 2048 is the maximum stride that D3D11 can support on all
+    // platforms.
+    caps->maxVertexAttribStride = 2048;
+
+    // Fragment shader limits
+    caps->maxFragmentUniformVectors = GetMaximumPixelUniformVectors(featureLevel);
+    caps->maxShaderUniformComponents[gl::ShaderType::Fragment] =
+        caps->maxFragmentUniformVectors * 4;
+    caps->maxShaderUniformBlocks[gl::ShaderType::Fragment] =
+        GetMaximumPixelUniformBlocks(featureLevel);
+    caps->maxFragmentInputComponents = GetMaximumPixelInputVectors(featureLevel) * 4;
+    caps->maxShaderTextureImageUnits[gl::ShaderType::Fragment] =
+        GetMaximumPixelTextureUnits(featureLevel);
+    caps->minProgramTexelOffset = GetMinimumTexelOffset(featureLevel);
+    caps->maxProgramTexelOffset = GetMaximumTexelOffset(featureLevel);
+
+    // Compute shader limits
+    caps->maxComputeWorkGroupCount       = GetMaxComputeWorkGroupCount(featureLevel);
+    caps->maxComputeWorkGroupSize        = GetMaxComputeWorkGroupSize(featureLevel);
+    caps->maxComputeWorkGroupInvocations = GetMaxComputeWorkGroupInvocations(featureLevel);
+    caps->maxComputeSharedMemorySize     = GetMaxComputeSharedMemorySize(featureLevel);
+    caps->maxShaderUniformComponents[gl::ShaderType::Compute] =
+        GetMaximumComputeUniformVectors(featureLevel) * 4;
+    caps->maxShaderUniformBlocks[gl::ShaderType::Compute] =
+        GetMaximumComputeUniformBlocks(featureLevel);
+    caps->maxShaderTextureImageUnits[gl::ShaderType::Compute] =
+        GetMaximumComputeTextureUnits(featureLevel);
+
+    SetUAVRelatedResourceLimits(featureLevel, caps);
+
+    // Aggregate shader limits
+    caps->maxUniformBufferBindings = caps->maxShaderUniformBlocks[gl::ShaderType::Vertex] +
+                                     caps->maxShaderUniformBlocks[gl::ShaderType::Fragment];
+    caps->maxUniformBlockSize = static_cast<GLuint64>(GetMaximumConstantBufferSize(featureLevel));
+
+    // TODO(oetuaho): Get a more accurate limit. For now using the minimum requirement for GLES 3.1.
+    caps->maxUniformLocations = 1024;
+
+    // With DirectX 11.1, constant buffer offset and size must be a multiple of 16 constants of 16
+    // bytes each.
+    // https://msdn.microsoft.com/en-us/library/windows/desktop/hh404649%28v=vs.85%29.aspx
+    // With DirectX 11.0, we emulate UBO offsets using copies of ranges of the UBO however
+    // we still keep the same alignment as 11.1 for consistency.
+    caps->uniformBufferOffsetAlignment = 256;
+
+    caps->maxCombinedUniformBlocks = caps->maxShaderUniformBlocks[gl::ShaderType::Vertex] +
+                                     caps->maxShaderUniformBlocks[gl::ShaderType::Fragment];
+
+    // A shader storage block will be translated to a structure in HLSL. So We reference the HLSL
+    // structure packing rules
+    // https://msdn.microsoft.com/en-us/library/windows/desktop/bb509632(v=vs.85).aspx. The
+    // resulting size of any structure will always be evenly divisible by sizeof(four-component
+    // vector).
+    caps->shaderStorageBufferOffsetAlignment = 16;
+
+    for (gl::ShaderType shaderType : gl::AllShaderTypes())
+    {
+        caps->maxCombinedShaderUniformComponents[shaderType] =
+            static_cast<GLint64>(caps->maxShaderUniformBlocks[shaderType]) *
+                static_cast<GLint64>(caps->maxUniformBlockSize / 4) +
+            static_cast<GLint64>(caps->maxShaderUniformComponents[shaderType]);
+    }
+
+    caps->maxVaryingComponents         = GetMaximumVertexOutputVectors(featureLevel) * 4;
+    caps->maxVaryingVectors            = GetMaximumVertexOutputVectors(featureLevel);
+    caps->maxCombinedTextureImageUnits = caps->maxShaderTextureImageUnits[gl::ShaderType::Vertex] +
+                                         caps->maxShaderTextureImageUnits[gl::ShaderType::Fragment];
+
+    // Transform feedback limits
+    caps->maxTransformFeedbackInterleavedComponents =
+        GetMaximumStreamOutputInterleavedComponents(featureLevel);
+    caps->maxTransformFeedbackSeparateAttributes = GetMaximumStreamOutputBuffers(featureLevel);
+    caps->maxTransformFeedbackSeparateComponents =
+        GetMaximumStreamOutputSeparateComponents(featureLevel);
+
+    // Defer the computation of multisample limits to Context::updateCaps() where max*Samples values
+    // are determined according to available sample counts for each individual format.
+    caps->maxSamples             = std::numeric_limits<GLint>::max();
+    caps->maxColorTextureSamples = std::numeric_limits<GLint>::max();
+    caps->maxDepthTextureSamples = std::numeric_limits<GLint>::max();
+    caps->maxIntegerSamples      = std::numeric_limits<GLint>::max();
+
+    // Sample mask words limits
+    caps->maxSampleMaskWords = GetMaxSampleMaskWords(featureLevel);
+
+    // Framebuffer limits
+    caps->maxFramebufferSamples = std::numeric_limits<GLint>::max();
+    caps->maxFramebufferWidth   = GetMaximumRenderToBufferWindowSize(featureLevel);
+    caps->maxFramebufferHeight  = caps->maxFramebufferWidth;
+
+    // Texture gather offset limits
+    caps->minProgramTextureGatherOffset = GetMinimumTextureGatherOffset(featureLevel);
+    caps->maxProgramTextureGatherOffset = GetMaximumTextureGatherOffset(featureLevel);
+
+    caps->maxTextureAnisotropy        = GetMaximumAnisotropy(featureLevel);
+    caps->queryCounterBitsTimeElapsed = 64;
+    caps->queryCounterBitsTimestamp = 0;  // Timestamps cannot be supported due to D3D11 limitations
+    caps->maxDualSourceDrawBuffers  = 1;
+
+    // GL extension support
+    extensions->setTextureExtensionSupport(*textureCapsMap);
+
+    // Explicitly disable GL_OES_compressed_ETC1_RGB8_texture because it's emulated and never
+    // becomes core. WebGL doesn't want to expose it unless there is native support.
+    extensions->compressedETC1RGB8TextureOES    = false;
+    extensions->compressedETC1RGB8SubTextureEXT = false;
+
+    extensions->elementIndexUintOES = true;
+    extensions->getProgramBinaryOES = true;
+    extensions->rgb8Rgba8OES        = true;
+    extensions->readFormatBgraEXT   = true;
+    extensions->pixelBufferObjectNV = true;
+    extensions->mapbufferOES        = true;
+    extensions->mapBufferRangeEXT   = true;
+    extensions->textureNpotOES      = GetNPOTTextureSupport(featureLevel);
+    extensions->drawBuffersEXT      = GetMaximumSimultaneousRenderTargets(featureLevel) > 1;
+    extensions->drawBuffersIndexedEXT =
+        (renderer11DeviceCaps.featureLevel >= D3D_FEATURE_LEVEL_10_1);
+    extensions->drawBuffersIndexedOES       = extensions->drawBuffersIndexedEXT;
+    extensions->textureStorageEXT           = true;
+    extensions->textureFilterAnisotropicEXT = true;
+    extensions->occlusionQueryBooleanEXT    = GetOcclusionQuerySupport(featureLevel);
+    extensions->fenceNV                     = GetEventQuerySupport(featureLevel);
+    extensions->disjointTimerQueryEXT       = true;
+    extensions->robustnessEXT               = true;
+    // Direct3D guarantees to return zero for any resource that is accessed out of bounds.
+    // See https://msdn.microsoft.com/en-us/library/windows/desktop/ff476332(v=vs.85).aspx
+    // and https://msdn.microsoft.com/en-us/library/windows/desktop/ff476900(v=vs.85).aspx
+    extensions->robustBufferAccessBehaviorKHR = true;
+    extensions->blendMinmaxEXT                = true;
+    // https://docs.microsoft.com/en-us/windows/desktop/direct3ddxgi/format-support-for-direct3d-11-0-feature-level-hardware
+    extensions->floatBlendEXT               = true;
+    extensions->framebufferBlitANGLE        = GetFramebufferBlitSupport(featureLevel);
+    extensions->framebufferBlitNV           = extensions->framebufferBlitANGLE;
+    extensions->framebufferMultisampleANGLE = GetFramebufferMultisampleSupport(featureLevel);
+    extensions->instancedArraysANGLE        = GetInstancingSupport(featureLevel);
+    extensions->instancedArraysEXT          = GetInstancingSupport(featureLevel);
+    extensions->packReverseRowOrderANGLE    = true;
+    extensions->standardDerivativesOES      = GetDerivativeInstructionSupport(featureLevel);
+    extensions->shaderTextureLodEXT         = GetShaderTextureLODSupport(featureLevel);
+    extensions->fragDepthEXT                = true;
+    extensions->multiviewOVR                = IsMultiviewSupported(featureLevel);
+    extensions->multiview2OVR               = IsMultiviewSupported(featureLevel);
+    if (extensions->multiviewOVR || extensions->multiview2OVR)
+    {
+        caps->maxViews = std::min(static_cast<GLuint>(GetMaximum2DTextureArraySize(featureLevel)),
+                                  GetMaxViewportAndScissorRectanglesPerPipeline(featureLevel));
+    }
+    extensions->textureUsageANGLE = true;  // This could be false since it has no effect in D3D11
+    extensions->discardFramebufferEXT               = true;
+    extensions->translatedShaderSourceANGLE         = true;
+    extensions->fboRenderMipmapOES                  = true;
+    extensions->debugMarkerEXT                      = true;
+    extensions->EGLImageOES                         = true;
+    extensions->EGLImageExternalOES                 = true;
+    extensions->EGLImageExternalWrapModesEXT        = true;
+    extensions->EGLImageExternalEssl3OES            = true;
+    extensions->EGLStreamConsumerExternalNV         = true;
+    extensions->unpackSubimageEXT                   = true;
+    extensions->packSubimageNV                      = true;
+    extensions->lossyEtcDecodeANGLE                 = true;
+    extensions->syncQueryCHROMIUM                   = GetEventQuerySupport(featureLevel);
+    extensions->copyTextureCHROMIUM                 = true;
+    extensions->copyCompressedTextureCHROMIUM       = true;
+    extensions->textureStorageMultisample2dArrayOES = true;
+    extensions->multiviewMultisampleANGLE =
+        ((extensions->multiviewOVR || extensions->multiview2OVR) &&
+         extensions->textureStorageMultisample2dArrayOES);
+    extensions->copyTexture3dANGLE      = true;
+    extensions->textureBorderClampOES   = true;
+    extensions->multiDrawIndirectEXT    = true;
+    extensions->textureMultisampleANGLE = true;
+    extensions->provokingVertexANGLE    = true;
+    extensions->blendFuncExtendedEXT    = true;
+    // http://anglebug.com/4926
+    extensions->texture3DOES                             = false;
+    extensions->baseInstanceEXT                          = true;
+    extensions->baseVertexBaseInstanceANGLE              = true;
+    extensions->baseVertexBaseInstanceShaderBuiltinANGLE = true;
+    extensions->drawElementsBaseVertexOES                = true;
+    extensions->drawElementsBaseVertexEXT                = true;
+    if (!strstr(description, "Adreno"))
+    {
+        extensions->multisampledRenderToTextureEXT = true;
+    }
+    extensions->videoTextureWEBGL = true;
+
+    // D3D11 cannot support reading depth texture as a luminance texture.
+    // It treats it as a red-channel-only texture.
+    extensions->depthTextureOES = false;
+
+    // readPixels on depth & stencil not working with D3D11 backend.
+    extensions->readDepthNV         = false;
+    extensions->readStencilNV       = false;
+    extensions->depthBufferFloat2NV = false;
+
+    // GL_EXT_clip_control
+    extensions->clipControlEXT = (renderer11DeviceCaps.featureLevel >= D3D_FEATURE_LEVEL_9_3);
+
+    // GL_KHR_parallel_shader_compile
+    extensions->parallelShaderCompileKHR = true;
+
+    // GL_EXT_texture_buffer
+    extensions->textureBufferEXT = HasTextureBufferSupport(device, renderer11DeviceCaps);
+
+    // GL_OES_texture_buffer
+    extensions->textureBufferOES = extensions->textureBufferEXT;
+
+    // ANGLE_shader_pixel_local_storage -- fragment shader UAVs appear in D3D 11.0.
+    extensions->shaderPixelLocalStorageANGLE = (featureLevel >= D3D_FEATURE_LEVEL_11_0);
+    extensions->shaderPixelLocalStorageCoherentANGLE =
+        renderer11DeviceCaps.supportsRasterizerOrderViews;
+
+    // D3D11 Feature Level 10_0+ uses SV_IsFrontFace in HLSL to emulate gl_FrontFacing.
+    // D3D11 Feature Level 9_3 doesn't support SV_IsFrontFace, and has no equivalent, so can't
+    // support gl_FrontFacing.
+    limitations->noFrontFacingSupport =
+        (renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    // D3D11 Feature Level 9_3 doesn't support alpha-to-coverage
+    limitations->noSampleAlphaToCoverageSupport =
+        (renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    // D3D11 Feature Levels 9_3 and below do not support non-constant loop indexing and require
+    // additional
+    // pre-validation of the shader at compile time to produce a better error message.
+    limitations->shadersRequireIndexedLoopValidation =
+        (renderer11DeviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    // D3D11 has no concept of separate masks and refs for front and back faces in the depth stencil
+    // state.
+    limitations->noSeparateStencilRefsAndMasks = true;
+
+    // D3D11 cannot support constant color and alpha blend funcs together
+    limitations->noSimultaneousConstantColorAndAlphaBlendFunc = true;
+
+    // D3D11 does not support multiple transform feedback outputs writing to the same buffer.
+    limitations->noDoubleBoundTransformFeedbackBuffers = true;
+
+    // D3D11 does not support vertex attribute aliasing
+    limitations->noVertexAttributeAliasing = true;
+
+    // D3D11 does not support compressed textures where the base mip level is not a multiple of 4
+    limitations->compressedBaseMipLevelMultipleOfFour = true;
+
+    if (extensions->textureBufferAny())
+    {
+        caps->maxTextureBufferSize = 1 << D3D11_REQ_BUFFER_RESOURCE_TEXEL_COUNT_2_TO_EXP;
+        // this maybe touble for RGB32 format.
+        caps->textureBufferOffsetAlignment = 16;
+    }
+
+#ifdef ANGLE_ENABLE_WINDOWS_UWP
+    // Setting a non-zero divisor on attribute zero doesn't work on certain Windows Phone 8-era
+    // devices. We should prevent developers from doing this on ALL Windows Store devices. This will
+    // maintain consistency across all Windows devices. We allow non-zero divisors on attribute zero
+    // if the Client Version >= 3, since devices affected by this issue don't support ES3+.
+    limitations->attributeZeroRequiresZeroDivisorInEXT = true;
+#endif
+}
+
+}  // namespace d3d11_gl
+
+namespace gl_d3d11
+{
+
+D3D11_BLEND ConvertBlendFunc(GLenum glBlend, bool isAlpha)
+{
+    D3D11_BLEND d3dBlend = D3D11_BLEND_ZERO;
+
+    switch (glBlend)
+    {
+        case GL_ZERO:
+            d3dBlend = D3D11_BLEND_ZERO;
+            break;
+        case GL_ONE:
+            d3dBlend = D3D11_BLEND_ONE;
+            break;
+        case GL_SRC_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_SRC_ALPHA : D3D11_BLEND_SRC_COLOR);
+            break;
+        case GL_ONE_MINUS_SRC_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_INV_SRC_ALPHA : D3D11_BLEND_INV_SRC_COLOR);
+            break;
+        case GL_DST_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_DEST_ALPHA : D3D11_BLEND_DEST_COLOR);
+            break;
+        case GL_ONE_MINUS_DST_COLOR:
+            d3dBlend = (isAlpha ? D3D11_BLEND_INV_DEST_ALPHA : D3D11_BLEND_INV_DEST_COLOR);
+            break;
+        case GL_SRC_ALPHA:
+            d3dBlend = D3D11_BLEND_SRC_ALPHA;
+            break;
+        case GL_ONE_MINUS_SRC_ALPHA:
+            d3dBlend = D3D11_BLEND_INV_SRC_ALPHA;
+            break;
+        case GL_DST_ALPHA:
+            d3dBlend = D3D11_BLEND_DEST_ALPHA;
+            break;
+        case GL_ONE_MINUS_DST_ALPHA:
+            d3dBlend = D3D11_BLEND_INV_DEST_ALPHA;
+            break;
+        case GL_CONSTANT_COLOR:
+            d3dBlend = D3D11_BLEND_BLEND_FACTOR;
+            break;
+        case GL_ONE_MINUS_CONSTANT_COLOR:
+            d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;
+            break;
+        case GL_CONSTANT_ALPHA:
+            d3dBlend = D3D11_BLEND_BLEND_FACTOR;
+            break;
+        case GL_ONE_MINUS_CONSTANT_ALPHA:
+            d3dBlend = D3D11_BLEND_INV_BLEND_FACTOR;
+            break;
+        case GL_SRC_ALPHA_SATURATE:
+            d3dBlend = D3D11_BLEND_SRC_ALPHA_SAT;
+            break;
+        case GL_SRC1_COLOR_EXT:
+            d3dBlend = (isAlpha ? D3D11_BLEND_SRC1_ALPHA : D3D11_BLEND_SRC1_COLOR);
+            break;
+        case GL_SRC1_ALPHA_EXT:
+            d3dBlend = D3D11_BLEND_SRC1_ALPHA;
+            break;
+        case GL_ONE_MINUS_SRC1_COLOR_EXT:
+            d3dBlend = (isAlpha ? D3D11_BLEND_INV_SRC1_ALPHA : D3D11_BLEND_INV_SRC1_COLOR);
+            break;
+        case GL_ONE_MINUS_SRC1_ALPHA_EXT:
+            d3dBlend = D3D11_BLEND_INV_SRC1_ALPHA;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dBlend;
+}
+
+D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp)
+{
+    D3D11_BLEND_OP d3dBlendOp = D3D11_BLEND_OP_ADD;
+
+    switch (glBlendOp)
+    {
+        case GL_FUNC_ADD:
+            d3dBlendOp = D3D11_BLEND_OP_ADD;
+            break;
+        case GL_FUNC_SUBTRACT:
+            d3dBlendOp = D3D11_BLEND_OP_SUBTRACT;
+            break;
+        case GL_FUNC_REVERSE_SUBTRACT:
+            d3dBlendOp = D3D11_BLEND_OP_REV_SUBTRACT;
+            break;
+        case GL_MIN:
+            d3dBlendOp = D3D11_BLEND_OP_MIN;
+            break;
+        case GL_MAX:
+            d3dBlendOp = D3D11_BLEND_OP_MAX;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dBlendOp;
+}
+
+UINT8 ConvertColorMask(bool red, bool green, bool blue, bool alpha)
+{
+    UINT8 mask = 0;
+    if (red)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_RED;
+    }
+    if (green)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_GREEN;
+    }
+    if (blue)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_BLUE;
+    }
+    if (alpha)
+    {
+        mask |= D3D11_COLOR_WRITE_ENABLE_ALPHA;
+    }
+    return mask;
+}
+
+D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, gl::CullFaceMode cullMode)
+{
+    D3D11_CULL_MODE cull = D3D11_CULL_NONE;
+
+    if (cullEnabled)
+    {
+        switch (cullMode)
+        {
+            case gl::CullFaceMode::Front:
+                cull = D3D11_CULL_FRONT;
+                break;
+            case gl::CullFaceMode::Back:
+                cull = D3D11_CULL_BACK;
+                break;
+            case gl::CullFaceMode::FrontAndBack:
+                cull = D3D11_CULL_NONE;
+                break;
+            default:
+                UNREACHABLE();
+        }
+    }
+    else
+    {
+        cull = D3D11_CULL_NONE;
+    }
+
+    return cull;
+}
+
+D3D11_COMPARISON_FUNC ConvertComparison(GLenum comparison)
+{
+    D3D11_COMPARISON_FUNC d3dComp = D3D11_COMPARISON_NEVER;
+    switch (comparison)
+    {
+        case GL_NEVER:
+            d3dComp = D3D11_COMPARISON_NEVER;
+            break;
+        case GL_ALWAYS:
+            d3dComp = D3D11_COMPARISON_ALWAYS;
+            break;
+        case GL_LESS:
+            d3dComp = D3D11_COMPARISON_LESS;
+            break;
+        case GL_LEQUAL:
+            d3dComp = D3D11_COMPARISON_LESS_EQUAL;
+            break;
+        case GL_EQUAL:
+            d3dComp = D3D11_COMPARISON_EQUAL;
+            break;
+        case GL_GREATER:
+            d3dComp = D3D11_COMPARISON_GREATER;
+            break;
+        case GL_GEQUAL:
+            d3dComp = D3D11_COMPARISON_GREATER_EQUAL;
+            break;
+        case GL_NOTEQUAL:
+            d3dComp = D3D11_COMPARISON_NOT_EQUAL;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dComp;
+}
+
+D3D11_DEPTH_WRITE_MASK ConvertDepthMask(bool depthWriteEnabled)
+{
+    return depthWriteEnabled ? D3D11_DEPTH_WRITE_MASK_ALL : D3D11_DEPTH_WRITE_MASK_ZERO;
+}
+
+UINT8 ConvertStencilMask(GLuint stencilmask)
+{
+    return static_cast<UINT8>(stencilmask);
+}
+
+D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp)
+{
+    D3D11_STENCIL_OP d3dStencilOp = D3D11_STENCIL_OP_KEEP;
+
+    switch (stencilOp)
+    {
+        case GL_ZERO:
+            d3dStencilOp = D3D11_STENCIL_OP_ZERO;
+            break;
+        case GL_KEEP:
+            d3dStencilOp = D3D11_STENCIL_OP_KEEP;
+            break;
+        case GL_REPLACE:
+            d3dStencilOp = D3D11_STENCIL_OP_REPLACE;
+            break;
+        case GL_INCR:
+            d3dStencilOp = D3D11_STENCIL_OP_INCR_SAT;
+            break;
+        case GL_DECR:
+            d3dStencilOp = D3D11_STENCIL_OP_DECR_SAT;
+            break;
+        case GL_INVERT:
+            d3dStencilOp = D3D11_STENCIL_OP_INVERT;
+            break;
+        case GL_INCR_WRAP:
+            d3dStencilOp = D3D11_STENCIL_OP_INCR;
+            break;
+        case GL_DECR_WRAP:
+            d3dStencilOp = D3D11_STENCIL_OP_DECR;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dStencilOp;
+}
+
+D3D11_FILTER ConvertFilter(GLenum minFilter,
+                           GLenum magFilter,
+                           float maxAnisotropy,
+                           GLenum comparisonMode)
+{
+    bool comparison = comparisonMode != GL_NONE;
+
+    if (maxAnisotropy > 1.0f)
+    {
+        return D3D11_ENCODE_ANISOTROPIC_FILTER(static_cast<D3D11_COMPARISON_FUNC>(comparison));
+    }
+    else
+    {
+        D3D11_FILTER_TYPE dxMin = D3D11_FILTER_TYPE_POINT;
+        D3D11_FILTER_TYPE dxMip = D3D11_FILTER_TYPE_POINT;
+        switch (minFilter)
+        {
+            case GL_NEAREST:
+                dxMin = D3D11_FILTER_TYPE_POINT;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_LINEAR:
+                dxMin = D3D11_FILTER_TYPE_LINEAR;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_NEAREST_MIPMAP_NEAREST:
+                dxMin = D3D11_FILTER_TYPE_POINT;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_LINEAR_MIPMAP_NEAREST:
+                dxMin = D3D11_FILTER_TYPE_LINEAR;
+                dxMip = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_NEAREST_MIPMAP_LINEAR:
+                dxMin = D3D11_FILTER_TYPE_POINT;
+                dxMip = D3D11_FILTER_TYPE_LINEAR;
+                break;
+            case GL_LINEAR_MIPMAP_LINEAR:
+                dxMin = D3D11_FILTER_TYPE_LINEAR;
+                dxMip = D3D11_FILTER_TYPE_LINEAR;
+                break;
+            default:
+                UNREACHABLE();
+        }
+
+        D3D11_FILTER_TYPE dxMag = D3D11_FILTER_TYPE_POINT;
+        switch (magFilter)
+        {
+            case GL_NEAREST:
+                dxMag = D3D11_FILTER_TYPE_POINT;
+                break;
+            case GL_LINEAR:
+                dxMag = D3D11_FILTER_TYPE_LINEAR;
+                break;
+            default:
+                UNREACHABLE();
+        }
+
+        return D3D11_ENCODE_BASIC_FILTER(dxMin, dxMag, dxMip,
+                                         static_cast<D3D11_COMPARISON_FUNC>(comparison));
+    }
+}
+
+D3D11_TEXTURE_ADDRESS_MODE ConvertTextureWrap(GLenum wrap)
+{
+    switch (wrap)
+    {
+        case GL_REPEAT:
+            return D3D11_TEXTURE_ADDRESS_WRAP;
+        case GL_CLAMP_TO_EDGE:
+            return D3D11_TEXTURE_ADDRESS_CLAMP;
+        case GL_CLAMP_TO_BORDER:
+            return D3D11_TEXTURE_ADDRESS_BORDER;
+        case GL_MIRRORED_REPEAT:
+            return D3D11_TEXTURE_ADDRESS_MIRROR;
+        default:
+            UNREACHABLE();
+    }
+
+    return D3D11_TEXTURE_ADDRESS_WRAP;
+}
+
+UINT ConvertMaxAnisotropy(float maxAnisotropy, D3D_FEATURE_LEVEL featureLevel)
+{
+    return static_cast<UINT>(std::min(maxAnisotropy, d3d11_gl::GetMaximumAnisotropy(featureLevel)));
+}
+
+D3D11_QUERY ConvertQueryType(gl::QueryType type)
+{
+    switch (type)
+    {
+        case gl::QueryType::AnySamples:
+        case gl::QueryType::AnySamplesConservative:
+            return D3D11_QUERY_OCCLUSION;
+        case gl::QueryType::TransformFeedbackPrimitivesWritten:
+            return D3D11_QUERY_SO_STATISTICS;
+        case gl::QueryType::TimeElapsed:
+            // Two internal queries are also created for begin/end timestamps
+            return D3D11_QUERY_TIMESTAMP_DISJOINT;
+        case gl::QueryType::CommandsCompleted:
+            return D3D11_QUERY_EVENT;
+        default:
+            UNREACHABLE();
+            return D3D11_QUERY_EVENT;
+    }
+}
+
+// Get the D3D11 write mask covering all color channels of a given format
+UINT8 GetColorMask(const gl::InternalFormat &format)
+{
+    return ConvertColorMask(format.redBits > 0, format.greenBits > 0, format.blueBits > 0,
+                            format.alphaBits > 0);
+}
+
+}  // namespace gl_d3d11
+
+namespace d3d11
+{
+
+ANGLED3D11DeviceType GetDeviceType(ID3D11Device *device)
+{
+    // Note that this function returns an ANGLED3D11DeviceType rather than a D3D_DRIVER_TYPE value,
+    // since it is difficult to tell Software and Reference devices apart
+
+    IDXGIDevice *dxgiDevice     = nullptr;
+    IDXGIAdapter *dxgiAdapter   = nullptr;
+    IDXGIAdapter2 *dxgiAdapter2 = nullptr;
+
+    ANGLED3D11DeviceType retDeviceType = ANGLE_D3D11_DEVICE_TYPE_UNKNOWN;
+
+    HRESULT hr = device->QueryInterface(__uuidof(IDXGIDevice), (void **)&dxgiDevice);
+    if (SUCCEEDED(hr))
+    {
+        hr = dxgiDevice->GetParent(__uuidof(IDXGIAdapter), (void **)&dxgiAdapter);
+        if (SUCCEEDED(hr))
+        {
+            std::wstring adapterString;
+            HRESULT adapter2hr =
+                dxgiAdapter->QueryInterface(__uuidof(dxgiAdapter2), (void **)&dxgiAdapter2);
+            if (SUCCEEDED(adapter2hr))
+            {
+                // On D3D_FEATURE_LEVEL_9_*, IDXGIAdapter::GetDesc returns "Software Adapter"
+                // for the description string. Try to use IDXGIAdapter2::GetDesc2 to get the
+                // actual hardware values if possible.
+                DXGI_ADAPTER_DESC2 adapterDesc2;
+                dxgiAdapter2->GetDesc2(&adapterDesc2);
+                adapterString = std::wstring(adapterDesc2.Description);
+            }
+            else
+            {
+                DXGI_ADAPTER_DESC adapterDesc;
+                dxgiAdapter->GetDesc(&adapterDesc);
+                adapterString = std::wstring(adapterDesc.Description);
+            }
+
+            // Both Reference and Software adapters will be 'Software Adapter'
+            const bool isSoftwareDevice =
+                (adapterString.find(std::wstring(L"Software Adapter")) != std::string::npos);
+            const bool isNullDevice = (adapterString == L"");
+            const bool isWARPDevice =
+                (adapterString.find(std::wstring(L"Basic Render")) != std::string::npos);
+
+            if (isSoftwareDevice || isNullDevice)
+            {
+                ASSERT(!isWARPDevice);
+                retDeviceType = ANGLE_D3D11_DEVICE_TYPE_SOFTWARE_REF_OR_NULL;
+            }
+            else if (isWARPDevice)
+            {
+                retDeviceType = ANGLE_D3D11_DEVICE_TYPE_WARP;
+            }
+            else
+            {
+                retDeviceType = ANGLE_D3D11_DEVICE_TYPE_HARDWARE;
+            }
+        }
+    }
+
+    SafeRelease(dxgiDevice);
+    SafeRelease(dxgiAdapter);
+    SafeRelease(dxgiAdapter2);
+
+    return retDeviceType;
+}
+
+void MakeValidSize(bool isImage,
+                   DXGI_FORMAT format,
+                   GLsizei *requestWidth,
+                   GLsizei *requestHeight,
+                   int *levelOffset)
+{
+    const DXGIFormatSize &dxgiFormatInfo = d3d11::GetDXGIFormatSizeInfo(format);
+    bool validFormat                     = format != DXGI_FORMAT_UNKNOWN;
+    bool validImage                      = isImage && validFormat;
+
+    int upsampleCount = 0;
+    // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already.
+    if (validImage || *requestWidth < static_cast<GLsizei>(dxgiFormatInfo.blockWidth) ||
+        *requestHeight < static_cast<GLsizei>(dxgiFormatInfo.blockHeight))
+    {
+        while (*requestWidth % dxgiFormatInfo.blockWidth != 0 ||
+               *requestHeight % dxgiFormatInfo.blockHeight != 0)
+        {
+            *requestWidth <<= 1;
+            *requestHeight <<= 1;
+            upsampleCount++;
+        }
+    }
+    else if (validFormat)
+    {
+        if (*requestWidth % dxgiFormatInfo.blockWidth != 0)
+        {
+            *requestWidth = roundUp(*requestWidth, static_cast<GLsizei>(dxgiFormatInfo.blockWidth));
+        }
+
+        if (*requestHeight % dxgiFormatInfo.blockHeight != 0)
+        {
+            *requestHeight =
+                roundUp(*requestHeight, static_cast<GLsizei>(dxgiFormatInfo.blockHeight));
+        }
+    }
+
+    if (levelOffset)
+    {
+        *levelOffset = upsampleCount;
+    }
+}
+
+angle::Result GenerateInitialTextureData(
+    const gl::Context *context,
+    GLint internalFormat,
+    const Renderer11DeviceCaps &renderer11DeviceCaps,
+    GLuint width,
+    GLuint height,
+    GLuint depth,
+    GLuint mipLevels,
+    gl::TexLevelArray<D3D11_SUBRESOURCE_DATA> *outSubresourceData)
+{
+    const d3d11::Format &d3dFormatInfo = d3d11::Format::Get(internalFormat, renderer11DeviceCaps);
+    ASSERT(d3dFormatInfo.dataInitializerFunction != nullptr);
+
+    const d3d11::DXGIFormatSize &dxgiFormatInfo =
+        d3d11::GetDXGIFormatSizeInfo(d3dFormatInfo.texFormat);
+
+    using CheckedSize        = angle::CheckedNumeric<size_t>;
+    CheckedSize rowPitch     = CheckedSize(dxgiFormatInfo.pixelBytes) * CheckedSize(width);
+    CheckedSize depthPitch   = rowPitch * CheckedSize(height);
+    CheckedSize maxImageSize = depthPitch * CheckedSize(depth);
+
+    Context11 *context11 = GetImplAs<Context11>(context);
+    ANGLE_CHECK_GL_ALLOC(context11, maxImageSize.IsValid());
+
+    angle::MemoryBuffer *scratchBuffer = nullptr;
+    ANGLE_CHECK_GL_ALLOC(context11,
+                         context->getScratchBuffer(maxImageSize.ValueOrDie(), &scratchBuffer));
+
+    d3dFormatInfo.dataInitializerFunction(width, height, depth, scratchBuffer->data(),
+                                          rowPitch.ValueOrDie(), depthPitch.ValueOrDie());
+
+    for (unsigned int i = 0; i < mipLevels; i++)
+    {
+        unsigned int mipWidth  = std::max(width >> i, 1U);
+        unsigned int mipHeight = std::max(height >> i, 1U);
+
+        using CheckedUINT         = angle::CheckedNumeric<UINT>;
+        CheckedUINT mipRowPitch   = CheckedUINT(dxgiFormatInfo.pixelBytes) * CheckedUINT(mipWidth);
+        CheckedUINT mipDepthPitch = mipRowPitch * CheckedUINT(mipHeight);
+
+        ANGLE_CHECK_GL_ALLOC(context11, mipRowPitch.IsValid() && mipDepthPitch.IsValid());
+
+        outSubresourceData->at(i).pSysMem          = scratchBuffer->data();
+        outSubresourceData->at(i).SysMemPitch      = mipRowPitch.ValueOrDie();
+        outSubresourceData->at(i).SysMemSlicePitch = mipDepthPitch.ValueOrDie();
+    }
+
+    return angle::Result::Continue;
+}
+
+UINT GetPrimitiveRestartIndex()
+{
+    return std::numeric_limits<UINT>::max();
+}
+
+void SetPositionTexCoordVertex(PositionTexCoordVertex *vertex, float x, float y, float u, float v)
+{
+    vertex->x = x;
+    vertex->y = y;
+    vertex->u = u;
+    vertex->v = v;
+}
+
+void SetPositionLayerTexCoord3DVertex(PositionLayerTexCoord3DVertex *vertex,
+                                      float x,
+                                      float y,
+                                      unsigned int layer,
+                                      float u,
+                                      float v,
+                                      float s)
+{
+    vertex->x = x;
+    vertex->y = y;
+    vertex->l = layer;
+    vertex->u = u;
+    vertex->v = v;
+    vertex->s = s;
+}
+
+BlendStateKey::BlendStateKey()
+{
+    memset(this, 0, sizeof(BlendStateKey));
+    blendStateExt = gl::BlendStateExt();
+}
+
+BlendStateKey::BlendStateKey(const BlendStateKey &other)
+{
+    memcpy(this, &other, sizeof(BlendStateKey));
+}
+
+bool operator==(const BlendStateKey &a, const BlendStateKey &b)
+{
+    return memcmp(&a, &b, sizeof(BlendStateKey)) == 0;
+}
+
+bool operator!=(const BlendStateKey &a, const BlendStateKey &b)
+{
+    return !(a == b);
+}
+
+RasterizerStateKey::RasterizerStateKey()
+{
+    memset(this, 0, sizeof(RasterizerStateKey));
+}
+
+bool operator==(const RasterizerStateKey &a, const RasterizerStateKey &b)
+{
+    return memcmp(&a, &b, sizeof(RasterizerStateKey)) == 0;
+}
+
+bool operator!=(const RasterizerStateKey &a, const RasterizerStateKey &b)
+{
+    return !(a == b);
+}
+
+HRESULT SetDebugName(ID3D11DeviceChild *resource,
+                     const char *internalName,
+                     const std::string *khrDebugName)
+{
+    // Prepend ANGLE to separate names from other components in the same process.
+    std::string d3dName = "ANGLE";
+    bool sendNameToD3D  = false;
+    if (internalName && internalName[0] != '\0')
+    {
+        d3dName += std::string("_") + internalName;
+        sendNameToD3D = true;
+    }
+    if (khrDebugName && !khrDebugName->empty())
+    {
+        d3dName += std::string("_") + *khrDebugName;
+        sendNameToD3D = true;
+    }
+    // If both internalName and khrDebugName are empty, avoid sending the string to d3d.
+    if (sendNameToD3D)
+    {
+        return resource->SetPrivateData(WKPDID_D3DDebugObjectName,
+                                        static_cast<UINT>(d3dName.size()), d3dName.c_str());
+    }
+    return S_OK;
+}
+
+// Keep this in cpp file where it has visibility of Renderer11.h, otherwise calling
+// allocateResource is only compatible with Clang and MSVS, which support calling a
+// method on a forward declared class in a template.
+template <ResourceType ResourceT>
+angle::Result LazyResource<ResourceT>::resolveImpl(d3d::Context *context,
+                                                   Renderer11 *renderer,
+                                                   const GetDescType<ResourceT> &desc,
+                                                   GetInitDataType<ResourceT> *initData,
+                                                   const char *name)
+{
+    if (!mResource.valid())
+    {
+        ANGLE_TRY(renderer->allocateResource(context, desc, initData, &mResource));
+        mResource.setInternalName(name);
+    }
+    return angle::Result::Continue;
+}
+
+template angle::Result LazyResource<ResourceType::BlendState>::resolveImpl(
+    d3d::Context *context,
+    Renderer11 *renderer,
+    const D3D11_BLEND_DESC &desc,
+    void *initData,
+    const char *name);
+template angle::Result LazyResource<ResourceType::ComputeShader>::resolveImpl(
+    d3d::Context *context,
+    Renderer11 *renderer,
+    const ShaderData &desc,
+    void *initData,
+    const char *name);
+template angle::Result LazyResource<ResourceType::GeometryShader>::resolveImpl(
+    d3d::Context *context,
+    Renderer11 *renderer,
+    const ShaderData &desc,
+    const std::vector<D3D11_SO_DECLARATION_ENTRY> *initData,
+    const char *name);
+template angle::Result LazyResource<ResourceType::InputLayout>::resolveImpl(
+    d3d::Context *context,
+    Renderer11 *renderer,
+    const InputElementArray &desc,
+    const ShaderData *initData,
+    const char *name);
+template angle::Result LazyResource<ResourceType::PixelShader>::resolveImpl(d3d::Context *context,
+                                                                            Renderer11 *renderer,
+                                                                            const ShaderData &desc,
+                                                                            void *initData,
+                                                                            const char *name);
+template angle::Result LazyResource<ResourceType::VertexShader>::resolveImpl(d3d::Context *context,
+                                                                             Renderer11 *renderer,
+                                                                             const ShaderData &desc,
+                                                                             void *initData,
+                                                                             const char *name);
+
+LazyInputLayout::LazyInputLayout(const D3D11_INPUT_ELEMENT_DESC *inputDesc,
+                                 size_t inputDescLen,
+                                 const BYTE *byteCode,
+                                 size_t byteCodeLen,
+                                 const char *debugName)
+    : mInputDesc(inputDesc, inputDescLen), mByteCode(byteCode, byteCodeLen), mDebugName(debugName)
+{}
+
+LazyInputLayout::~LazyInputLayout() {}
+
+angle::Result LazyInputLayout::resolve(d3d::Context *context, Renderer11 *renderer)
+{
+    return resolveImpl(context, renderer, mInputDesc, &mByteCode, mDebugName);
+}
+
+LazyBlendState::LazyBlendState(const D3D11_BLEND_DESC &desc, const char *debugName)
+    : mDesc(desc), mDebugName(debugName)
+{}
+
+angle::Result LazyBlendState::resolve(d3d::Context *context, Renderer11 *renderer)
+{
+    return resolveImpl(context, renderer, mDesc, nullptr, mDebugName);
+}
+
+void InitializeFeatures(const Renderer11DeviceCaps &deviceCaps,
+                        const DXGI_ADAPTER_DESC &adapterDesc,
+                        angle::FeaturesD3D *features)
+{
+    bool isNvidia          = IsNvidia(adapterDesc.VendorId);
+    bool isIntel           = IsIntel(adapterDesc.VendorId);
+    bool isSkylake         = false;
+    bool isBroadwell       = false;
+    bool isHaswell         = false;
+    bool isIvyBridge       = false;
+    bool isSandyBridge     = false;
+    bool isAMD             = IsAMD(adapterDesc.VendorId);
+    bool isFeatureLevel9_3 = (deviceCaps.featureLevel <= D3D_FEATURE_LEVEL_9_3);
+
+    IntelDriverVersion capsVersion = IntelDriverVersion(0);
+    if (isIntel)
+    {
+        capsVersion = d3d11_gl::GetIntelDriverVersion(deviceCaps.driverVersion);
+
+        isSkylake     = IsSkylake(adapterDesc.DeviceId);
+        isBroadwell   = IsBroadwell(adapterDesc.DeviceId);
+        isHaswell     = IsHaswell(adapterDesc.DeviceId);
+        isIvyBridge   = IsIvyBridge(adapterDesc.DeviceId);
+        isSandyBridge = IsSandyBridge(adapterDesc.DeviceId);
+    }
+
+    if (isNvidia)
+    {
+        // TODO(jmadill): Narrow problematic driver range.
+        bool driverVersionValid = deviceCaps.driverVersion.valid();
+        if (driverVersionValid)
+        {
+            WORD part1 = HIWORD(deviceCaps.driverVersion.value().LowPart);
+            WORD part2 = LOWORD(deviceCaps.driverVersion.value().LowPart);
+
+            // Disable the workaround to fix a second driver bug on newer NVIDIA.
+            ANGLE_FEATURE_CONDITION(
+                features, depthStencilBlitExtraCopy,
+                (part1 <= 13u && part2 < 6881) && isNvidia && driverVersionValid);
+        }
+        else
+        {
+            ANGLE_FEATURE_CONDITION(features, depthStencilBlitExtraCopy,
+                                    isNvidia && !driverVersionValid);
+        }
+    }
+
+    ANGLE_FEATURE_CONDITION(features, mrtPerfWorkaround, true);
+    ANGLE_FEATURE_CONDITION(features, zeroMaxLodWorkaround, isFeatureLevel9_3);
+    ANGLE_FEATURE_CONDITION(features, useInstancedPointSpriteEmulation, isFeatureLevel9_3);
+    ANGLE_FEATURE_CONDITION(features, allowES3OnFL100, false);
+
+    // TODO(jmadill): Disable workaround when we have a fixed compiler DLL.
+    ANGLE_FEATURE_CONDITION(features, expandIntegerPowExpressions, true);
+
+    ANGLE_FEATURE_CONDITION(features, flushAfterEndingTransformFeedback, isNvidia);
+    ANGLE_FEATURE_CONDITION(features, getDimensionsIgnoresBaseLevel, isNvidia);
+    ANGLE_FEATURE_CONDITION(features, skipVSConstantRegisterZero, isNvidia);
+    ANGLE_FEATURE_CONDITION(features, forceAtomicValueResolution, isNvidia);
+
+    ANGLE_FEATURE_CONDITION(features, preAddTexelFetchOffsets, isIntel);
+    ANGLE_FEATURE_CONDITION(features, useSystemMemoryForConstantBuffers, isIntel);
+
+    // ClearView on Skylake seems to incorrectly clear with unaligned rects (edge has saw tooth
+    // pattern instead of straight).
+    ANGLE_FEATURE_CONDITION(features, scissoredClearArtifacts, isIntel && isSkylake);
+
+    ANGLE_FEATURE_CONDITION(features, callClearTwice,
+                            isIntel && isSkylake && capsVersion >= IntelDriverVersion(160000) &&
+                                capsVersion < IntelDriverVersion(164771));
+    ANGLE_FEATURE_CONDITION(features, emulateIsnanFloat,
+                            isIntel && isSkylake && capsVersion >= IntelDriverVersion(160000) &&
+                                capsVersion < IntelDriverVersion(164542));
+    ANGLE_FEATURE_CONDITION(features, rewriteUnaryMinusOperator,
+                            isIntel && (isBroadwell || isHaswell) &&
+                                capsVersion >= IntelDriverVersion(150000) &&
+                                capsVersion < IntelDriverVersion(154624));
+
+    ANGLE_FEATURE_CONDITION(features, addMockTextureNoRenderTarget,
+                            isIntel && capsVersion >= IntelDriverVersion(160000) &&
+                                capsVersion < IntelDriverVersion(164815));
+
+    // Haswell drivers occasionally corrupt (small?) (vertex?) texture data uploads for 128bit
+    // formats.
+    ANGLE_FEATURE_CONDITION(features, setDataFasterThanImageUpload, true);
+    ANGLE_FEATURE_CONDITION(features, setDataFasterThanImageUploadOn128bitFormats,
+                            !(isIvyBridge || isBroadwell || isHaswell));
+
+    ANGLE_FEATURE_CONDITION(features, emulateClearViewAfterDualSourceBlending, isSandyBridge);
+
+    ANGLE_FEATURE_CONDITION(features, disableB5G6R5Support,
+                            (isIntel && capsVersion >= IntelDriverVersion(150000) &&
+                             capsVersion < IntelDriverVersion(154539)) ||
+                                isAMD);
+
+    // TODO(jmadill): Disable when we have a fixed driver version.
+    // The tiny stencil texture workaround involves using CopySubresource or UpdateSubresource on a
+    // depth stencil texture.  This is not allowed until feature level 10.1 but since it is not
+    // possible to support ES3 on these devices, there is no need for the workaround to begin with
+    // (anglebug.com/1572).
+    ANGLE_FEATURE_CONDITION(features, emulateTinyStencilTextures,
+                            isAMD && !(deviceCaps.featureLevel < D3D_FEATURE_LEVEL_10_1));
+
+    // If the VPAndRTArrayIndexFromAnyShaderFeedingRasterizer feature is not available, we have to
+    // select the viewport / RT array index in the geometry shader.
+    ANGLE_FEATURE_CONDITION(features, selectViewInGeometryShader,
+                            !deviceCaps.supportsVpRtIndexWriteFromVertexShader);
+
+    // NVidia drivers have no trouble clearing textures without showing corruption.
+    // Intel and AMD drivers that have trouble have been blocklisted by Chromium. In the case of
+    // Intel, they've been blocklisted to the DX9 runtime.
+    ANGLE_FEATURE_CONDITION(features, allowClearForRobustResourceInit, true);
+
+    // Allow translating uniform block to StructuredBuffer on Windows 10. This is targeted
+    // to work around a slow fxc compile performance issue with dynamic uniform indexing.
+    ANGLE_FEATURE_CONDITION(features, allowTranslateUniformBlockToStructuredBuffer,
+                            IsWin10OrGreater());
+}
+
+void InitializeFrontendFeatures(const DXGI_ADAPTER_DESC &adapterDesc,
+                                angle::FrontendFeatures *features)
+{
+    bool isAMD = IsAMD(adapterDesc.VendorId);
+
+    ANGLE_FEATURE_CONDITION(features, forceDepthAttachmentInitOnClear, isAMD);
+}
+
+void InitConstantBufferDesc(D3D11_BUFFER_DESC *constantBufferDescription, size_t byteWidth)
+{
+    constantBufferDescription->ByteWidth           = static_cast<UINT>(byteWidth);
+    constantBufferDescription->Usage               = D3D11_USAGE_DYNAMIC;
+    constantBufferDescription->BindFlags           = D3D11_BIND_CONSTANT_BUFFER;
+    constantBufferDescription->CPUAccessFlags      = D3D11_CPU_ACCESS_WRITE;
+    constantBufferDescription->MiscFlags           = 0;
+    constantBufferDescription->StructureByteStride = 0;
+}
+
+}  // namespace d3d11
+
+// TextureHelper11 implementation.
+TextureHelper11::TextureHelper11() : mFormatSet(nullptr), mSampleCount(0) {}
+
+TextureHelper11::TextureHelper11(TextureHelper11 &&toCopy) : TextureHelper11()
+{
+    *this = std::move(toCopy);
+}
+
+TextureHelper11::TextureHelper11(const TextureHelper11 &other)
+    : mFormatSet(other.mFormatSet), mExtents(other.mExtents), mSampleCount(other.mSampleCount)
+{
+    mData = other.mData;
+}
+
+TextureHelper11::~TextureHelper11() {}
+
+void TextureHelper11::getDesc(D3D11_TEXTURE2D_DESC *desc) const
+{
+    static_cast<ID3D11Texture2D *>(mData->object)->GetDesc(desc);
+}
+
+void TextureHelper11::getDesc(D3D11_TEXTURE3D_DESC *desc) const
+{
+    static_cast<ID3D11Texture3D *>(mData->object)->GetDesc(desc);
+}
+
+void TextureHelper11::getDesc(D3D11_BUFFER_DESC *desc) const
+{
+    static_cast<ID3D11Buffer *>(mData->object)->GetDesc(desc);
+}
+
+void TextureHelper11::initDesc(const D3D11_TEXTURE2D_DESC &desc2D)
+{
+    mData->resourceType = ResourceType::Texture2D;
+    mExtents.width      = static_cast<int>(desc2D.Width);
+    mExtents.height     = static_cast<int>(desc2D.Height);
+    mExtents.depth      = 1;
+    mSampleCount        = desc2D.SampleDesc.Count;
+}
+
+void TextureHelper11::initDesc(const D3D11_TEXTURE3D_DESC &desc3D)
+{
+    mData->resourceType = ResourceType::Texture3D;
+    mExtents.width      = static_cast<int>(desc3D.Width);
+    mExtents.height     = static_cast<int>(desc3D.Height);
+    mExtents.depth      = static_cast<int>(desc3D.Depth);
+    mSampleCount        = 1;
+}
+
+void TextureHelper11::initDesc(const D3D11_BUFFER_DESC &descBuffer)
+{
+    mData->resourceType = ResourceType::Buffer;
+    mExtents.width      = static_cast<int>(descBuffer.ByteWidth);
+    mExtents.height     = 1;
+    mExtents.depth      = 1;
+    mSampleCount        = 1;
+}
+
+TextureHelper11 &TextureHelper11::operator=(TextureHelper11 &&other)
+{
+    std::swap(mData, other.mData);
+    std::swap(mExtents, other.mExtents);
+    std::swap(mFormatSet, other.mFormatSet);
+    std::swap(mSampleCount, other.mSampleCount);
+    return *this;
+}
+
+TextureHelper11 &TextureHelper11::operator=(const TextureHelper11 &other)
+{
+    mData        = other.mData;
+    mExtents     = other.mExtents;
+    mFormatSet   = other.mFormatSet;
+    mSampleCount = other.mSampleCount;
+    return *this;
+}
+
+bool TextureHelper11::operator==(const TextureHelper11 &other) const
+{
+    return mData->object == other.mData->object;
+}
+
+bool TextureHelper11::operator!=(const TextureHelper11 &other) const
+{
+    return mData->object != other.mData->object;
+}
+
+bool UsePresentPathFast(const Renderer11 *renderer,
+                        const gl::FramebufferAttachment *framebufferAttachment)
+{
+    if (framebufferAttachment == nullptr)
+    {
+        return false;
+    }
+
+    return (framebufferAttachment->type() == GL_FRAMEBUFFER_DEFAULT &&
+            renderer->presentPathFastEnabled());
+}
+
+bool UsePrimitiveRestartWorkaround(bool primitiveRestartFixedIndexEnabled,
+                                   gl::DrawElementsType type)
+{
+    // We should never have to deal with primitive restart workaround issue with GL_UNSIGNED_INT
+    // indices, since we restrict it via MAX_ELEMENT_INDEX.
+    return (!primitiveRestartFixedIndexEnabled && type == gl::DrawElementsType::UnsignedShort);
+}
+
+IndexStorageType ClassifyIndexStorage(const gl::State &glState,
+                                      const gl::Buffer *elementArrayBuffer,
+                                      gl::DrawElementsType elementType,
+                                      gl::DrawElementsType destElementType,
+                                      unsigned int offset)
+{
+    // No buffer bound means we are streaming from a client pointer.
+    if (!elementArrayBuffer || !IsOffsetAligned(elementType, offset))
+    {
+        return IndexStorageType::Dynamic;
+    }
+
+    // The buffer can be used directly if the storage supports it and no translation needed.
+    BufferD3D *bufferD3D = GetImplAs<BufferD3D>(elementArrayBuffer);
+    if (bufferD3D->supportsDirectBinding() && destElementType == elementType)
+    {
+        return IndexStorageType::Direct;
+    }
+
+    // Use a static copy when available.
+    StaticIndexBufferInterface *staticBuffer = bufferD3D->getStaticIndexBuffer();
+    if (staticBuffer != nullptr)
+    {
+        return IndexStorageType::Static;
+    }
+
+    // Static buffer not available, fall back to streaming.
+    return IndexStorageType::Dynamic;
+}
+
+bool SwizzleRequired(const gl::TextureState &textureState)
+{
+    // When sampling stencil, a swizzle is needed to move the stencil channel from G to R.
+    return textureState.swizzleRequired() || textureState.isStencilMode();
+}
+
+gl::SwizzleState GetEffectiveSwizzle(const gl::TextureState &textureState)
+{
+    const gl::SwizzleState &swizzle = textureState.getSwizzleState();
+    if (textureState.isStencilMode())
+    {
+        // Per GL semantics, the stencil value should be in the red channel, while D3D11 formats
+        // leave stencil in the green channel. So copy the stencil value from green to all
+        // components requesting red. Green and blue become zero; alpha becomes one.
+        std::unordered_map<GLenum, GLenum> map = {{GL_RED, GL_GREEN}, {GL_GREEN, GL_ZERO},
+                                                  {GL_BLUE, GL_ZERO}, {GL_ALPHA, GL_ONE},
+                                                  {GL_ZERO, GL_ZERO}, {GL_ONE, GL_ONE}};
+
+        return gl::SwizzleState(map[swizzle.swizzleRed], map[swizzle.swizzleGreen],
+                                map[swizzle.swizzleBlue], map[swizzle.swizzleAlpha]);
+    }
+    return swizzle;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.h
new file mode 100644
index 0000000000..a8cd430bc6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.h
@@ -0,0 +1,478 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// renderer11_utils.h: Conversion functions and other utility routines
+// specific to the D3D11 renderer.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_UTILS_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_UTILS_H_
+
+#include <array>
+#include <functional>
+#include <vector>
+
+#include "common/Color.h"
+
+#include "libANGLE/Caps.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+namespace gl
+{
+class FramebufferAttachment;
+}
+
+namespace rx
+{
+class Context11;
+class Renderer11;
+class RenderTarget11;
+struct Renderer11DeviceCaps;
+
+using RTVArray = std::array<ID3D11RenderTargetView *, gl::IMPLEMENTATION_MAX_DRAW_BUFFERS>;
+
+namespace gl_d3d11
+{
+
+D3D11_BLEND ConvertBlendFunc(GLenum glBlend, bool isAlpha);
+D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp);
+UINT8 ConvertColorMask(bool maskRed, bool maskGreen, bool maskBlue, bool maskAlpha);
+
+D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, gl::CullFaceMode cullMode);
+
+D3D11_COMPARISON_FUNC ConvertComparison(GLenum comparison);
+D3D11_DEPTH_WRITE_MASK ConvertDepthMask(bool depthWriteEnabled);
+UINT8 ConvertStencilMask(GLuint stencilmask);
+D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp);
+
+D3D11_FILTER ConvertFilter(GLenum minFilter,
+                           GLenum magFilter,
+                           float maxAnisotropy,
+                           GLenum comparisonMode);
+D3D11_TEXTURE_ADDRESS_MODE ConvertTextureWrap(GLenum wrap);
+UINT ConvertMaxAnisotropy(float maxAnisotropy, D3D_FEATURE_LEVEL featureLevel);
+
+D3D11_QUERY ConvertQueryType(gl::QueryType type);
+
+UINT8 GetColorMask(const gl::InternalFormat &formatInfo);
+
+}  // namespace gl_d3d11
+
+namespace d3d11_gl
+{
+
+unsigned int GetReservedVertexUniformVectors(D3D_FEATURE_LEVEL featureLevel);
+
+unsigned int GetReservedFragmentUniformVectors(D3D_FEATURE_LEVEL featureLevel);
+
+gl::Version GetMaximumClientVersion(const Renderer11DeviceCaps &caps);
+void GenerateCaps(ID3D11Device *device,
+                  ID3D11DeviceContext *deviceContext,
+                  const Renderer11DeviceCaps &renderer11DeviceCaps,
+                  const angle::FeaturesD3D &features,
+                  const char *description,
+                  gl::Caps *caps,
+                  gl::TextureCapsMap *textureCapsMap,
+                  gl::Extensions *extensions,
+                  gl::Limitations *limitations);
+
+D3D_FEATURE_LEVEL GetMinimumFeatureLevelForES31();
+
+}  // namespace d3d11_gl
+
+namespace d3d11
+{
+
+enum ANGLED3D11DeviceType
+{
+    ANGLE_D3D11_DEVICE_TYPE_UNKNOWN,
+    ANGLE_D3D11_DEVICE_TYPE_HARDWARE,
+    ANGLE_D3D11_DEVICE_TYPE_SOFTWARE_REF_OR_NULL,
+    ANGLE_D3D11_DEVICE_TYPE_WARP,
+};
+
+ANGLED3D11DeviceType GetDeviceType(ID3D11Device *device);
+
+void MakeValidSize(bool isImage,
+                   DXGI_FORMAT format,
+                   GLsizei *requestWidth,
+                   GLsizei *requestHeight,
+                   int *levelOffset);
+
+angle::Result GenerateInitialTextureData(
+    const gl::Context *context,
+    GLint internalFormat,
+    const Renderer11DeviceCaps &renderer11DeviceCaps,
+    GLuint width,
+    GLuint height,
+    GLuint depth,
+    GLuint mipLevels,
+    gl::TexLevelArray<D3D11_SUBRESOURCE_DATA> *outSubresourceData);
+
+UINT GetPrimitiveRestartIndex();
+
+struct PositionTexCoordVertex
+{
+    float x, y;
+    float u, v;
+};
+void SetPositionTexCoordVertex(PositionTexCoordVertex *vertex, float x, float y, float u, float v);
+
+struct PositionLayerTexCoord3DVertex
+{
+    float x, y;
+    unsigned int l;
+    float u, v, s;
+};
+void SetPositionLayerTexCoord3DVertex(PositionLayerTexCoord3DVertex *vertex,
+                                      float x,
+                                      float y,
+                                      unsigned int layer,
+                                      float u,
+                                      float v,
+                                      float s);
+
+struct PositionVertex
+{
+    float x, y, z, w;
+};
+
+struct BlendStateKey final
+{
+    // This will zero-initialize the struct, including padding.
+    BlendStateKey();
+    BlendStateKey(const BlendStateKey &other);
+
+    gl::BlendStateExt blendStateExt;
+
+    // Use two 16-bit ints to round the struct nicely.
+    uint16_t rtvMax;
+    uint16_t sampleAlphaToCoverage;
+};
+
+bool operator==(const BlendStateKey &a, const BlendStateKey &b);
+bool operator!=(const BlendStateKey &a, const BlendStateKey &b);
+
+struct RasterizerStateKey final
+{
+    // This will zero-initialize the struct, including padding.
+    RasterizerStateKey();
+
+    gl::RasterizerState rasterizerState;
+
+    // Use a 32-bit int to round the struct nicely.
+    uint32_t scissorEnabled;
+};
+
+bool operator==(const RasterizerStateKey &a, const RasterizerStateKey &b);
+bool operator!=(const RasterizerStateKey &a, const RasterizerStateKey &b);
+
+template <typename outType>
+outType *DynamicCastComObject(IUnknown *object)
+{
+    outType *outObject = nullptr;
+    HRESULT result =
+        object->QueryInterface(__uuidof(outType), reinterpret_cast<void **>(&outObject));
+    if (SUCCEEDED(result))
+    {
+        return outObject;
+    }
+    else
+    {
+        SafeRelease(outObject);
+        return nullptr;
+    }
+}
+
+template <typename outType>
+angle::ComPtr<outType> DynamicCastComObjectToComPtr(IUnknown *object)
+{
+    angle::ComPtr<outType> outObject;
+    const HRESULT hr = object->QueryInterface(IID_PPV_ARGS(&outObject));
+    if (SUCCEEDED(hr))
+    {
+        return outObject;
+    }
+    else
+    {
+        return nullptr;
+    }
+}
+
+inline bool isDeviceLostError(HRESULT errorCode)
+{
+    switch (errorCode)
+    {
+        case DXGI_ERROR_DEVICE_HUNG:
+        case DXGI_ERROR_DEVICE_REMOVED:
+        case DXGI_ERROR_DEVICE_RESET:
+        case DXGI_ERROR_DRIVER_INTERNAL_ERROR:
+        case DXGI_ERROR_NOT_CURRENTLY_AVAILABLE:
+            return true;
+        default:
+            return false;
+    }
+}
+
+template <ResourceType ResourceT>
+class LazyResource : angle::NonCopyable
+{
+  public:
+    constexpr LazyResource() : mResource() {}
+    virtual ~LazyResource() {}
+
+    virtual angle::Result resolve(d3d::Context *context, Renderer11 *renderer) = 0;
+    void reset() { mResource.reset(); }
+    GetD3D11Type<ResourceT> *get() const
+    {
+        ASSERT(mResource.valid());
+        return mResource.get();
+    }
+
+    const Resource11<GetD3D11Type<ResourceT>> &getObj() const { return mResource; }
+
+  protected:
+    LazyResource(LazyResource &&other) : mResource(std::move(other.mResource)) {}
+
+    // Specialized in the cpp file to avoid MSVS/Clang specific code.
+    angle::Result resolveImpl(d3d::Context *context,
+                              Renderer11 *renderer,
+                              const GetDescType<ResourceT> &desc,
+                              GetInitDataType<ResourceT> *initData,
+                              const char *name);
+
+    Resource11<GetD3D11Type<ResourceT>> mResource;
+};
+
+template <typename D3D11ShaderType>
+class LazyShader final : public LazyResource<GetResourceTypeFromD3D11<D3D11ShaderType>()>
+{
+  public:
+    // All parameters must be constexpr. Not supported in VS2013.
+    constexpr LazyShader(const BYTE *byteCode, size_t byteCodeSize, const char *name)
+        : mByteCode(byteCode, byteCodeSize), mName(name)
+    {}
+
+    constexpr LazyShader(LazyShader &&shader)
+        : LazyResource<GetResourceTypeFromD3D11<D3D11ShaderType>()>(std::move(shader)),
+          mByteCode(std::move(shader.mByteCode)),
+          mName(shader.mName)
+    {}
+
+    angle::Result resolve(d3d::Context *context, Renderer11 *renderer) override
+    {
+        return this->resolveImpl(context, renderer, mByteCode, nullptr, mName);
+    }
+
+  private:
+    ShaderData mByteCode;
+    const char *mName;
+};
+
+class LazyInputLayout final : public LazyResource<ResourceType::InputLayout>
+{
+  public:
+    LazyInputLayout(const D3D11_INPUT_ELEMENT_DESC *inputDesc,
+                    size_t inputDescLen,
+                    const BYTE *byteCode,
+                    size_t byteCodeLen,
+                    const char *debugName);
+    ~LazyInputLayout() override;
+
+    angle::Result resolve(d3d::Context *context, Renderer11 *renderer) override;
+
+  private:
+    InputElementArray mInputDesc;
+    ShaderData mByteCode;
+    const char *mDebugName;
+};
+
+class LazyBlendState final : public LazyResource<ResourceType::BlendState>
+{
+  public:
+    LazyBlendState(const D3D11_BLEND_DESC &desc, const char *debugName);
+
+    angle::Result resolve(d3d::Context *context, Renderer11 *renderer) override;
+
+  private:
+    D3D11_BLEND_DESC mDesc;
+    const char *mDebugName;
+};
+
+// Copy data to small D3D11 buffers, such as for small constant buffers, which use one struct to
+// represent an entire buffer.
+template <class T>
+void SetBufferData(ID3D11DeviceContext *context, ID3D11Buffer *constantBuffer, const T &value)
+{
+    D3D11_MAPPED_SUBRESOURCE mappedResource = {};
+    HRESULT result = context->Map(constantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+    ASSERT(SUCCEEDED(result));
+    if (SUCCEEDED(result))
+    {
+        memcpy(mappedResource.pData, &value, sizeof(T));
+        context->Unmap(constantBuffer, 0);
+    }
+}
+
+void InitializeFeatures(const Renderer11DeviceCaps &deviceCaps,
+                        const DXGI_ADAPTER_DESC &adapterDesc,
+                        angle::FeaturesD3D *features);
+
+void InitializeFrontendFeatures(const DXGI_ADAPTER_DESC &adapterDesc,
+                                angle::FrontendFeatures *features);
+
+enum ReservedConstantBufferSlot
+{
+    RESERVED_CONSTANT_BUFFER_SLOT_DEFAULT_UNIFORM_BLOCK = 0,
+    RESERVED_CONSTANT_BUFFER_SLOT_DRIVER                = 1,
+
+    RESERVED_CONSTANT_BUFFER_SLOT_COUNT = 2
+};
+
+void InitConstantBufferDesc(D3D11_BUFFER_DESC *constantBufferDescription, size_t byteWidth);
+
+// Helper class for RAII patterning.
+template <typename T>
+class [[nodiscard]] ScopedUnmapper final : angle::NonCopyable
+{
+  public:
+    ScopedUnmapper(T *object) : mObject(object) {}
+    ~ScopedUnmapper() { mObject->unmap(); }
+
+  private:
+    T *mObject;
+};
+}  // namespace d3d11
+
+struct GenericData
+{
+    GenericData() {}
+    ~GenericData()
+    {
+        if (object)
+        {
+            // We can have a nullptr factory when holding passed-in resources.
+            if (manager)
+            {
+                manager->onReleaseGeneric(resourceType, object);
+                manager = nullptr;
+            }
+            object->Release();
+            object = nullptr;
+        }
+    }
+
+    ResourceType resourceType  = ResourceType::Last;
+    ID3D11Resource *object     = nullptr;
+    ResourceManager11 *manager = nullptr;
+};
+
+// A helper class which wraps a 2D or 3D texture.
+class TextureHelper11 : public Resource11Base<ID3D11Resource, std::shared_ptr, GenericData>
+{
+  public:
+    TextureHelper11();
+    TextureHelper11(TextureHelper11 &&other);
+    TextureHelper11(const TextureHelper11 &other);
+    ~TextureHelper11() override;
+    TextureHelper11 &operator=(TextureHelper11 &&other);
+    TextureHelper11 &operator=(const TextureHelper11 &other);
+
+    bool isBuffer() const { return mData->resourceType == ResourceType::Buffer; }
+    bool is2D() const { return mData->resourceType == ResourceType::Texture2D; }
+    bool is3D() const { return mData->resourceType == ResourceType::Texture3D; }
+    ResourceType getTextureType() const { return mData->resourceType; }
+    gl::Extents getExtents() const { return mExtents; }
+    DXGI_FORMAT getFormat() const { return mFormatSet->texFormat; }
+    const d3d11::Format &getFormatSet() const { return *mFormatSet; }
+    int getSampleCount() const { return mSampleCount; }
+
+    template <typename DescT, typename ResourceT>
+    void init(Resource11<ResourceT> &&texture, const DescT &desc, const d3d11::Format &format)
+    {
+        std::swap(mData->manager, texture.mData->manager);
+
+        // Can't use std::swap because texture is typed, and here we use ID3D11Resource.
+        ID3D11Resource *temp  = mData->object;
+        mData->object         = texture.mData->object;
+        texture.mData->object = static_cast<ResourceT *>(temp);
+
+        mFormatSet = &format;
+        initDesc(desc);
+    }
+
+    template <typename ResourceT>
+    void set(ResourceT *object, const d3d11::Format &format)
+    {
+        ASSERT(!valid());
+
+        mFormatSet     = &format;
+        mData->object  = object;
+        mData->manager = nullptr;
+
+        GetDescFromD3D11<ResourceT> desc;
+        getDesc(&desc);
+        initDesc(desc);
+    }
+
+    bool operator==(const TextureHelper11 &other) const;
+    bool operator!=(const TextureHelper11 &other) const;
+
+    void getDesc(D3D11_TEXTURE2D_DESC *desc) const;
+    void getDesc(D3D11_TEXTURE3D_DESC *desc) const;
+    void getDesc(D3D11_BUFFER_DESC *desc) const;
+
+  private:
+    void initDesc(const D3D11_TEXTURE2D_DESC &desc2D);
+    void initDesc(const D3D11_TEXTURE3D_DESC &desc3D);
+    void initDesc(const D3D11_BUFFER_DESC &descBuffer);
+
+    const d3d11::Format *mFormatSet;
+    gl::Extents mExtents;
+    int mSampleCount;
+};
+
+enum class StagingAccess
+{
+    READ,
+    READ_WRITE,
+};
+
+bool UsePresentPathFast(const Renderer11 *renderer, const gl::FramebufferAttachment *colorbuffer);
+bool UsePrimitiveRestartWorkaround(bool primitiveRestartFixedIndexEnabled,
+                                   gl::DrawElementsType type);
+
+enum class IndexStorageType
+{
+    // Dynamic indexes are re-streamed every frame. They come from a client data pointer or
+    // from buffers that are updated frequently.
+    Dynamic,
+
+    // Static indexes are translated from the original storage once, and re-used multiple times.
+    Static,
+
+    // Direct indexes are never transated and are used directly from the source buffer. They are
+    // the fastest available path.
+    Direct,
+
+    // Not a real storage type.
+    Invalid,
+};
+
+IndexStorageType ClassifyIndexStorage(const gl::State &glState,
+                                      const gl::Buffer *elementArrayBuffer,
+                                      gl::DrawElementsType elementType,
+                                      gl::DrawElementsType destElementType,
+                                      unsigned int offset);
+
+bool SwizzleRequired(const gl::TextureState &textureState);
+gl::SwizzleState GetEffectiveSwizzle(const gl::TextureState &textureState);
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_gs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_gs.h
new file mode 100644
index 0000000000..9bfc750765
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_gs.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float   xyzw
+// TEXCOORD                 0   x           1     NONE    uint   x   
+// LAYER                    0    y          1     NONE    uint    y  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float   xyzw
+// TEXCOORD                 0   x           1     NONE    uint   x   
+// SV_RenderTargetArrayIndex     0    y          1  RTINDEX    uint    y  
+//
+gs_4_0
+dcl_input_siv v[1][0].xyzw, position
+dcl_input v[1][1].x
+dcl_input v[1][1].y
+dcl_inputprimitive point 
+dcl_outputtopology pointlist 
+dcl_output_siv o0.xyzw, position
+dcl_output o1.x
+dcl_output_siv o1.y, rendertarget_array_index
+dcl_maxout 1
+mov o0.xyzw, v[0][0].xyzw
+mov o1.x, v[0][1].x
+mov o1.y, v[0][1].y
+emit 
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_GS_BufferToTexture[] = {
+    68,  88,  66,  67,  181, 104, 45,  14,  26,  142, 216, 235, 63,  167, 110, 6,   1,   170, 134,
+    100, 1,   0,   0,   0,   200, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   128, 0,
+    0,   0,   244, 0,   0,   0,   124, 1,   0,   0,   76,  2,   0,   0,   82,  68,  69,  70,  68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   83,  71,  0,   1,   0,   0,   28,  0,   0,   0,   77,  105, 99,  114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  108,
+    0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  15,  0,   0,   92,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,
+    0,   0,   101, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,
+    0,   0,   0,   2,   2,   0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110, 0,
+    84,  69,  88,  67,  79,  79,  82,  68,  0,   76,  65,  89,  69,  82,  0,   171, 79,  83,  71,
+    78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,
+    1,   14,  0,   0,   101, 0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,   0,
+    0,   1,   0,   0,   0,   2,   13,  0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111,
+    110, 0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   83,  86,  95,  82,  101, 110, 100, 101,
+    114, 84,  97,  114, 103, 101, 116, 65,  114, 114, 97,  121, 73,  110, 100, 101, 120, 0,   171,
+    83,  72,  68,  82,  200, 0,   0,   0,   64,  0,   2,   0,   50,  0,   0,   0,   97,  0,   0,
+    5,   242, 16,  32,  0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   95,  0,
+    0,   4,   18,  16,  32,  0,   1,   0,   0,   0,   1,   0,   0,   0,   95,  0,   0,   4,   34,
+    16,  32,  0,   1,   0,   0,   0,   1,   0,   0,   0,   93,  8,   0,   1,   92,  8,   0,   1,
+    103, 0,   0,   4,   242, 32,  16,  0,   0,   0,   0,   0,   1,   0,   0,   0,   101, 0,   0,
+    3,   18,  32,  16,  0,   1,   0,   0,   0,   103, 0,   0,   4,   34,  32,  16,  0,   1,   0,
+    0,   0,   4,   0,   0,   0,   94,  0,   0,   2,   1,   0,   0,   0,   54,  0,   0,   6,   242,
+    32,  16,  0,   0,   0,   0,   0,   70,  30,  32,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    54,  0,   0,   6,   18,  32,  16,  0,   1,   0,   0,   0,   10,  16,  32,  0,   0,   0,   0,
+    0,   1,   0,   0,   0,   54,  0,   0,   6,   34,  32,  16,  0,   1,   0,   0,   0,   26,  16,
+    32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   19,  0,   0,   1,   62,  0,   0,   1,   83,
+    84,  65,  84,  116, 0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    6,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4f.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4f.h
new file mode 100644
index 0000000000..87730ffe5c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4f.h
@@ -0,0 +1,65 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Buffer4F                          texture  float4         buf             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float       
+// TEXCOORD                 0   x           1     NONE    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Target                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_resource_buffer (float,float,float,float) t0
+dcl_input_ps constant v1.x
+dcl_output o0.xyzw
+ld o0.xyzw, v1.xxxx, t0.xyzw
+ret 
+// Approximately 2 instruction slots used
+#endif
+
+const BYTE g_PS_BufferToTexture_4F[] = {
+    68,  88,  66,  67,  156, 38,  137, 246, 11,  113, 21,  186, 20,  101, 47,  15,  216, 211, 176,
+    224, 1,   0,   0,   0,   12,  2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   144, 1,   0,   0,   82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   5,   0,   0,   0,   1,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   66,  117, 102, 102, 101, 114, 52,  70,  0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,
+    97,  114, 103, 101, 116, 0,   171, 171, 83,  72,  68,  82,  80,  0,   0,   0,   64,  0,   0,
+    0,   20,  0,   0,   0,   88,  8,   0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,
+    0,   0,   98,  8,   0,   3,   18,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 32,  16,  0,   0,   0,   0,   0,
+    6,   16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4i.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4i.h
new file mode 100644
index 0000000000..64304f956d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4i.h
@@ -0,0 +1,65 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Buffer4I                          texture   sint4         buf             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float       
+// TEXCOORD                 0   x           1     NONE    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Target                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_buffer (sint,sint,sint,sint) t0
+dcl_input_ps constant v1.x
+dcl_output o0.xyzw
+ld o0.xyzw, v1.xxxx, t0.xyzw
+ret 
+// Approximately 2 instruction slots used
+#endif
+
+const BYTE g_PS_BufferToTexture_4I[] = {
+    68,  88,  66,  67,  162, 203, 46,  4,   155, 72,  142, 126, 228, 80,  83,  117, 139, 11,  48,
+    250, 1,   0,   0,   0,   12,  2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   144, 1,   0,   0,   82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   1,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   66,  117, 102, 102, 101, 114, 52,  73,  0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,
+    97,  114, 103, 101, 116, 0,   171, 171, 83,  72,  68,  82,  80,  0,   0,   0,   64,  0,   0,
+    0,   20,  0,   0,   0,   88,  8,   0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   51,  51,
+    0,   0,   98,  8,   0,   3,   18,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 32,  16,  0,   0,   0,   0,   0,
+    6,   16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4ui.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4ui.h
new file mode 100644
index 0000000000..9504753bde
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4ui.h
@@ -0,0 +1,65 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Buffer4UI                         texture   uint4         buf             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float       
+// TEXCOORD                 0   x           1     NONE    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Target                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_buffer (uint,uint,uint,uint) t0
+dcl_input_ps constant v1.x
+dcl_output o0.xyzw
+ld o0.xyzw, v1.xxxx, t0.xyzw
+ret 
+// Approximately 2 instruction slots used
+#endif
+
+const BYTE g_PS_BufferToTexture_4UI[] = {
+    68,  88,  66,  67,  168, 39,  110, 5,   143, 0,   75,  136, 251, 25,  27,  24,  35,  191, 3,
+    64,  1,   0,   0,   0,   12,  2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   144, 1,   0,   0,   82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   1,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   66,  117, 102, 102, 101, 114, 52,  85,  73,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,
+    97,  114, 103, 101, 116, 0,   171, 171, 83,  72,  68,  82,  80,  0,   0,   0,   64,  0,   0,
+    0,   20,  0,   0,   0,   88,  8,   0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   68,  68,
+    0,   0,   98,  8,   0,   3,   18,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 32,  16,  0,   0,   0,   0,   0,
+    6,   16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_vs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_vs.h
new file mode 100644
index 0000000000..b9ce502123
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_vs.h
@@ -0,0 +1,145 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer BufferCopyParams
+// {
+//
+//   uint FirstPixelOffset;             // Offset:    0 Size:     4
+//   uint PixelsPerRow;                 // Offset:    4 Size:     4
+//   uint RowStride;                    // Offset:    8 Size:     4
+//   uint RowsPerSlice;                 // Offset:   12 Size:     4
+//   float2 PositionOffset;             // Offset:   16 Size:     8
+//   float2 PositionScale;              // Offset:   24 Size:     8
+//   int2 TexLocationOffset;            // Offset:   32 Size:     8 [unused]
+//   int2 TexLocationScale;             // Offset:   40 Size:     8 [unused]
+//   uint FirstSlice;                   // Offset:   48 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// BufferCopyParams                  cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_VertexID              0   x           0   VERTID    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float   xyzw
+// TEXCOORD                 0   x           1     NONE    uint   x   
+// LAYER                    0    y          1     NONE    uint    y  
+//
+vs_4_0
+dcl_constantbuffer CB0[4], immediateIndexed
+dcl_input_sgv v0.x, vertex_id
+dcl_output_siv o0.xyzw, position
+dcl_output o1.x
+dcl_output o1.y
+dcl_temps 2
+mov o0.zw, l(0,0,0,1.000000)
+imul null, r0.xy, cb0[0].wwww, cb0[0].yzyy
+udiv r0.z, null, v0.x, r0.x
+imad r0.x, -r0.z, r0.x, v0.x
+imad r0.y, r0.z, r0.y, cb0[0].x
+iadd o1.y, r0.z, cb0[3].x
+udiv r0.z, null, r0.x, cb0[0].y
+imad r0.x, -r0.z, cb0[0].y, r0.x
+utof r1.xy, r0.xzxx
+imad r0.y, r0.z, cb0[0].z, r0.y
+iadd o1.x, r0.x, r0.y
+mad o0.xy, cb0[1].zwzz, r1.xyxx, cb0[1].xyxx
+ret 
+// Approximately 13 instruction slots used
+#endif
+
+const BYTE g_VS_BufferToTexture[] = {
+    68,  88,  66,  67,  153, 33,  196, 57,  209, 115, 237, 17,  59,  231, 206, 105, 1,   81,  121,
+    39,  1,   0,   0,   0,   140, 5,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   88,  2,
+    0,   0,   140, 2,   0,   0,   0,   3,   0,   0,   16,  5,   0,   0,   82,  68,  69,  70,  28,
+    2,   0,   0,   1,   0,   0,   0,   80,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   254, 255, 0,   1,   0,   0,   244, 1,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   66,  117, 102, 102, 101, 114, 67,  111, 112, 121, 80,  97,  114,
+    97,  109, 115, 0,   171, 171, 171, 60,  0,   0,   0,   9,   0,   0,   0,   104, 0,   0,   0,
+    64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   64,  1,   0,   0,   0,   0,   0,
+    0,   4,   0,   0,   0,   2,   0,   0,   0,   84,  1,   0,   0,   0,   0,   0,   0,   100, 1,
+    0,   0,   4,   0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   84,  1,   0,   0,   0,
+    0,   0,   0,   113, 1,   0,   0,   8,   0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,
+    84,  1,   0,   0,   0,   0,   0,   0,   123, 1,   0,   0,   12,  0,   0,   0,   4,   0,   0,
+    0,   2,   0,   0,   0,   84,  1,   0,   0,   0,   0,   0,   0,   136, 1,   0,   0,   16,  0,
+    0,   0,   8,   0,   0,   0,   2,   0,   0,   0,   152, 1,   0,   0,   0,   0,   0,   0,   168,
+    1,   0,   0,   24,  0,   0,   0,   8,   0,   0,   0,   2,   0,   0,   0,   152, 1,   0,   0,
+    0,   0,   0,   0,   182, 1,   0,   0,   32,  0,   0,   0,   8,   0,   0,   0,   0,   0,   0,
+    0,   200, 1,   0,   0,   0,   0,   0,   0,   216, 1,   0,   0,   40,  0,   0,   0,   8,   0,
+    0,   0,   0,   0,   0,   0,   200, 1,   0,   0,   0,   0,   0,   0,   233, 1,   0,   0,   48,
+    0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   84,  1,   0,   0,   0,   0,   0,   0,
+    70,  105, 114, 115, 116, 80,  105, 120, 101, 108, 79,  102, 102, 115, 101, 116, 0,   171, 171,
+    171, 0,   0,   19,  0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   80,  105,
+    120, 101, 108, 115, 80,  101, 114, 82,  111, 119, 0,   82,  111, 119, 83,  116, 114, 105, 100,
+    101, 0,   82,  111, 119, 115, 80,  101, 114, 83,  108, 105, 99,  101, 0,   80,  111, 115, 105,
+    116, 105, 111, 110, 79,  102, 102, 115, 101, 116, 0,   171, 1,   0,   3,   0,   1,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   80,  111, 115, 105, 116, 105, 111, 110, 83,  99,
+    97,  108, 101, 0,   84,  101, 120, 76,  111, 99,  97,  116, 105, 111, 110, 79,  102, 102, 115,
+    101, 116, 0,   1,   0,   2,   0,   1,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    84,  101, 120, 76,  111, 99,  97,  116, 105, 111, 110, 83,  99,  97,  108, 101, 0,   70,  105,
+    114, 115, 116, 83,  108, 105, 99,  101, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,
+    40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109,
+    112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,   0,
+    1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   6,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   1,   0,   0,   83,  86,  95,  86,  101, 114,
+    116, 101, 120, 73,  68,  0,   79,  83,  71,  78,  108, 0,   0,   0,   3,   0,   0,   0,   8,
+    0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   14,  0,   0,   101, 0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   2,   13,  0,   0,   83,
+    86,  95,  80,  111, 115, 105, 116, 105, 111, 110, 0,   84,  69,  88,  67,  79,  79,  82,  68,
+    0,   76,  65,  89,  69,  82,  0,   171, 83,  72,  68,  82,  8,   2,   0,   0,   64,  0,   1,
+    0,   130, 0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   4,   0,
+    0,   0,   96,  0,   0,   4,   18,  16,  16,  0,   0,   0,   0,   0,   6,   0,   0,   0,   103,
+    0,   0,   4,   242, 32,  16,  0,   0,   0,   0,   0,   1,   0,   0,   0,   101, 0,   0,   3,
+    18,  32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   34,  32,  16,  0,   1,   0,   0,
+    0,   104, 0,   0,   2,   2,   0,   0,   0,   54,  0,   0,   8,   194, 32,  16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   128, 63,  38,  0,   0,   10,  0,   208, 0,   0,   50,  0,   16,  0,   0,   0,   0,   0,
+    246, 143, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   150, 133, 32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   78,  0,   0,   8,   66,  0,   16,  0,   0,   0,   0,   0,   0,   208,
+    0,   0,   10,  16,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   35,
+    0,   0,   10,  18,  0,   16,  0,   0,   0,   0,   0,   42,  0,   16,  128, 65,  0,   0,   0,
+    0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   0,   0,   0,
+    0,   35,  0,   0,   10,  34,  0,   16,  0,   0,   0,   0,   0,   42,  0,   16,  0,   0,   0,
+    0,   0,   26,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   30,  0,   0,   8,   34,  32,  16,  0,   1,   0,   0,   0,   42,  0,   16,  0,
+    0,   0,   0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   3,   0,   0,   0,   78,  0,   0,
+    9,   66,  0,   16,  0,   0,   0,   0,   0,   0,   208, 0,   0,   10,  0,   16,  0,   0,   0,
+    0,   0,   26,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   35,  0,   0,   11,  18,
+    0,   16,  0,   0,   0,   0,   0,   42,  0,   16,  128, 65,  0,   0,   0,   0,   0,   0,   0,
+    26,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,
+    0,   86,  0,   0,   5,   50,  0,   16,  0,   1,   0,   0,   0,   134, 0,   16,  0,   0,   0,
+    0,   0,   35,  0,   0,   10,  34,  0,   16,  0,   0,   0,   0,   0,   42,  0,   16,  0,   0,
+    0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   26,  0,   16,  0,
+    0,   0,   0,   0,   30,  0,   0,   7,   18,  32,  16,  0,   1,   0,   0,   0,   10,  0,   16,
+    0,   0,   0,   0,   0,   26,  0,   16,  0,   0,   0,   0,   0,   50,  0,   0,   11,  50,  32,
+    16,  0,   0,   0,   0,   0,   230, 138, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   70,
+    0,   16,  0,   1,   0,   0,   0,   70,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   13,  0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   7,   0,   0,   0,   2,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11_fl9vs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11_fl9vs.h
new file mode 100644
index 0000000000..9b4ccfb902
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11_fl9vs.h
@@ -0,0 +1,71 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// POSITION                 0   xyzw        0     NONE   float   xyzw
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float   xyzw
+//
+//
+// Runtime generated constant mappings:
+//
+// Target Reg                               Constant Description
+// ---------- --------------------------------------------------
+// c0                              Vertex Shader position offset
+//
+//
+// Level9 shader bytecode:
+//
+    vs_2_x
+    dcl_texcoord v0
+    mad oPos.xy, v0.w, c0, v0
+    mov oPos.zw, v0
+
+// approximately 2 instruction slots used
+vs_4_0
+dcl_input v0.xyzw
+dcl_output_siv o0.xyzw, position
+mov o0.xyzw, v0.xyzw
+ret 
+// Approximately 2 instruction slots used
+#endif
+
+const BYTE g_VS_Clear_FL9[] = {
+    68,  88, 66, 67, 166, 109, 78,  113, 107, 98,  65,  70,  91,  88,  250, 161, 103, 22,  241, 76,
+    1,   0,  0,  0,  16,  2,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   156, 0,   0,   0,
+    224, 0,  0,  0,  92,  1,   0,   0,   168, 1,   0,   0,   220, 1,   0,   0,   65,  111, 110, 57,
+    92,  0,  0,  0,  92,  0,   0,   0,   0,   2,   254, 255, 52,  0,   0,   0,   40,  0,   0,   0,
+    0,   0,  36, 0,  0,   0,   36,  0,   0,   0,   36,  0,   0,   0,   36,  0,   1,   0,   36,  0,
+    0,   0,  0,  0,  1,   2,   254, 255, 31,  0,   0,   2,   5,   0,   0,   128, 0,   0,   15,  144,
+    4,   0,  0,  4,  0,   0,   3,   192, 0,   0,   255, 144, 0,   0,   228, 160, 0,   0,   228, 144,
+    1,   0,  0,  2,  0,   0,   12,  192, 0,   0,   228, 144, 255, 255, 0,   0,   83,  72,  68,  82,
+    60,  0,  0,  0,  64,  0,   1,   0,   15,  0,   0,   0,   95,  0,   0,   3,   242, 16,  16,  0,
+    0,   0,  0,  0,  103, 0,   0,   4,   242, 32,  16,  0,   0,   0,   0,   0,   1,   0,   0,   0,
+    54,  0,  0,  5,  242, 32,  16,  0,   0,   0,   0,   0,   70,  30,  16,  0,   0,   0,   0,   0,
+    62,  0,  0,  1,  83,  84,  65,  84,  116, 0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,  0,  2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,  0,  0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,  0,  0,   0,   0,   0,   82,  68,  69,  70,  68,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,  0,  0,   0,   0,   0,   28,  0,   0,   0,   0,   4,   254, 255, 0,   1,   0,   0,
+    28,  0,  0,  0,  77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,
+    83,  76, 32, 83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,
+    48,  46, 49, 0,  73,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,
+    32,  0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,
+    15,  15, 0,  0,  80,  79,  83,  73,  84,  73,  79,  78,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,  0,  0,  1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    1,   0,  0,  0,  3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,
+    79,  83, 73, 84, 73,  79,  78,  0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewgs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewgs.h
new file mode 100644
index 0000000000..92b192107b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewgs.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float   xyzw
+// TEXCOORD                 0   x           1     NONE    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float   xyzw
+// SV_RenderTargetArrayIndex     0   x           1  RTINDEX    uint   x   
+//
+gs_4_0
+dcl_input_siv v[3][0].xyzw, position
+dcl_input v[3][1].x
+dcl_temps 1
+dcl_inputprimitive triangle 
+dcl_outputtopology trianglestrip 
+dcl_output_siv o0.xyzw, position
+dcl_output_siv o1.x, rendertarget_array_index
+dcl_maxout 3
+mov r0.x, l(0)
+loop 
+  ige r0.y, r0.x, l(3)
+  breakc_nz r0.y
+  mov o0.xyzw, v[r0.x + 0][0].xyzw
+  mov o1.x, v[r0.x + 0][1].x
+  emit 
+  iadd r0.x, r0.x, l(1)
+endloop 
+cut 
+ret 
+// Approximately 11 instruction slots used
+#endif
+
+const BYTE g_GS_Multiview_Clear[] = {
+    68,  88,  66,  67,  110, 37,  141, 207, 15,  59,  27,  66,  207, 215, 205, 198, 147, 31,  42,
+    22,  1,   0,   0,   0,   204, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   128, 0,
+    0,   0,   216, 0,   0,   0,   64,  1,   0,   0,   80,  2,   0,   0,   82,  68,  69,  70,  68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   83,  71,  0,   1,   0,   0,   28,  0,   0,   0,   77,  105, 99,  114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  80,
+    0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  15,  0,   0,   68,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,
+    0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110, 0,   84,  69,  88,  67,  79,
+    79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  96,  0,   0,   0,   2,   0,   0,   0,
+    8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   4,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   14,  0,   0,   83,  86,  95,  80,  111,
+    115, 105, 116, 105, 111, 110, 0,   83,  86,  95,  82,  101, 110, 100, 101, 114, 84,  97,  114,
+    103, 101, 116, 65,  114, 114, 97,  121, 73,  110, 100, 101, 120, 0,   171, 171, 83,  72,  68,
+    82,  8,   1,   0,   0,   64,  0,   2,   0,   66,  0,   0,   0,   97,  0,   0,   5,   242, 16,
+    32,  0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   95,  0,   0,   4,   18,
+    16,  32,  0,   3,   0,   0,   0,   1,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,
+    93,  24,  0,   1,   92,  40,  0,   1,   103, 0,   0,   4,   242, 32,  16,  0,   0,   0,   0,
+    0,   1,   0,   0,   0,   103, 0,   0,   4,   18,  32,  16,  0,   1,   0,   0,   0,   4,   0,
+    0,   0,   94,  0,   0,   2,   3,   0,   0,   0,   54,  0,   0,   5,   18,  0,   16,  0,   0,
+    0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   48,  0,   0,   1,   33,  0,   0,   7,
+    34,  0,   16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   1,   64,  0,
+    0,   3,   0,   0,   0,   3,   0,   4,   3,   26,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   7,   242, 32,  16,  0,   0,   0,   0,   0,   70,  30,  160, 0,   10,  0,   16,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   1,   0,   0,   0,
+    10,  16,  160, 0,   10,  0,   16,  0,   0,   0,   0,   0,   1,   0,   0,   0,   19,  0,   0,
+    1,   30,  0,   0,   7,   18,  0,   16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,
+    0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   22,  0,   0,   1,   9,   0,   0,   1,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   11,  0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   5,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewvs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewvs.h
new file mode 100644
index 0000000000..ba1c5425e2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11multiviewvs.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_VertexID              0   x           0   VERTID    uint   x   
+// SV_InstanceID            0   x           1   INSTID    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float   xyzw
+// TEXCOORD                 0   x           1     NONE    uint   x   
+//
+vs_4_0
+dcl_immediateConstantBuffer { { -1.000000, 1.000000, 0, 0},
+                              { 1.000000, -1.000000, 0, 0},
+                              { -1.000000, -1.000000, 0, 0},
+                              { -1.000000, 1.000000, 0, 0},
+                              { 1.000000, 1.000000, 0, 0},
+                              { 1.000000, -1.000000, 0, 0} }
+dcl_input_sgv v0.x, vertex_id
+dcl_input_sgv v1.x, instance_id
+dcl_output_siv o0.xyzw, position
+dcl_output o1.x
+dcl_temps 1
+mov r0.x, v0.x
+mov o0.xy, icb[r0.x + 0].xyxx
+mov o0.zw, l(0,0,0,1.000000)
+mov o1.x, v1.x
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_VS_Multiview_Clear[] = {
+    68,  88,  66,  67,  29,  63,  249, 196, 208, 130, 142, 190, 155, 101, 165, 213, 91,  14,  122,
+    2,   1,   0,   0,   0,   208, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   128, 0,
+    0,   0,   220, 0,   0,   0,   52,  1,   0,   0,   84,  2,   0,   0,   82,  68,  69,  70,  68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   254, 255, 0,   1,   0,   0,   28,  0,   0,   0,   77,  105, 99,  114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  84,
+    0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,
+    6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   1,   0,   0,   68,  0,   0,
+    0,   0,   0,   0,   0,   8,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,
+    0,   0,   83,  86,  95,  86,  101, 114, 116, 101, 120, 73,  68,  0,   83,  86,  95,  73,  110,
+    115, 116, 97,  110, 99,  101, 73,  68,  0,   171, 171, 79,  83,  71,  78,  80,  0,   0,   0,
+    2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   14,  0,   0,   83,
+    86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,
+    0,   171, 171, 171, 83,  72,  68,  82,  24,  1,   0,   0,   64,  0,   1,   0,   70,  0,   0,
+    0,   53,  24,  0,   0,   26,  0,   0,   0,   0,   0,   128, 191, 0,   0,   128, 63,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  0,   0,   128, 191, 0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   128, 191, 0,   0,   128, 191, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   128, 191, 0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128,
+    63,  0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  0,   0,
+    128, 191, 0,   0,   0,   0,   0,   0,   0,   0,   96,  0,   0,   4,   18,  16,  16,  0,   0,
+    0,   0,   0,   6,   0,   0,   0,   96,  0,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    8,   0,   0,   0,   103, 0,   0,   4,   242, 32,  16,  0,   0,   0,   0,   0,   1,   0,   0,
+    0,   101, 0,   0,   3,   18,  32,  16,  0,   1,   0,   0,   0,   104, 0,   0,   2,   1,   0,
+    0,   0,   54,  0,   0,   5,   18,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   0,
+    0,   0,   0,   54,  0,   0,   6,   50,  32,  16,  0,   0,   0,   0,   0,   70,  144, 144, 0,
+    10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   8,   194, 32,  16,  0,   0,   0,   0,
+    0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    128, 63,  54,  0,   0,   5,   18,  32,  16,  0,   1,   0,   0,   0,   10,  16,  16,  0,   1,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,   0,
+    1,   0,   0,   0,   6,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11vs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11vs.h
new file mode 100644
index 0000000000..035a1fdca0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clear11vs.h
@@ -0,0 +1,69 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_VertexID              0   x           0   VERTID    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float   xyzw
+//
+vs_4_0
+dcl_immediateConstantBuffer { { -1.000000, 1.000000, 0, 0},
+                              { 1.000000, -1.000000, 0, 0},
+                              { -1.000000, -1.000000, 0, 0},
+                              { -1.000000, 1.000000, 0, 0},
+                              { 1.000000, 1.000000, 0, 0},
+                              { 1.000000, -1.000000, 0, 0} }
+dcl_input_sgv v0.x, vertex_id
+dcl_output_siv o0.xyzw, position
+dcl_temps 1
+mov r0.x, v0.x
+mov o0.xy, icb[r0.x + 0].xyxx
+mov o0.zw, l(0,0,0,1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_VS_Clear[] = {
+    68,  88,  66,  67,  142, 0,   156, 121, 128, 35,  189, 41,  14,  141, 59, 193, 158, 19,  28,
+    184, 1,   0,   0,   0,   84,  2,   0,   0,   5,   0,   0,   0,   52,  0,  0,   0,   128, 0,
+    0,   0,   180, 0,   0,   0,   232, 0,   0,   0,   216, 1,   0,   0,   82, 68,  69,  70,  68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  28,  0,   0,   0,
+    0,   4,   254, 255, 0,   1,   0,   0,   28,  0,   0,   0,   77,  105, 99, 114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97, 100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73, 83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,   0,
+    6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   1,   0,  0,   83,  86,  95,
+    86,  101, 114, 116, 101, 120, 73,  68,  0,   79,  83,  71,  78,  44,  0,  0,   0,   1,   0,
+    0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   3,
+    0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80, 79,  83,  73,  84,
+    73,  79,  78,  0,   83,  72,  68,  82,  232, 0,   0,   0,   64,  0,   1,  0,   58,  0,   0,
+    0,   53,  24,  0,   0,   26,  0,   0,   0,   0,   0,   128, 191, 0,   0,  128, 63,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  0,   0,   128, 191, 0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   128, 191, 0,   0,   128, 191, 0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   128, 191, 0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   128,
+    63,  0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  128, 63,  0,   0,
+    128, 191, 0,   0,   0,   0,   0,   0,   0,   0,   96,  0,   0,   4,   18, 16,  16,  0,   0,
+    0,   0,   0,   6,   0,   0,   0,   103, 0,   0,   4,   242, 32,  16,  0,  0,   0,   0,   0,
+    1,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   54,  0,   0,  5,   18,  0,   16,
+    0,   0,   0,   0,   0,   10,  16,  16,  0,   0,   0,   0,   0,   54,  0,  0,   6,   50,  32,
+    16,  0,   0,   0,   0,   0,   70,  144, 144, 0,   10,  0,   16,  0,   0,  0,   0,   0,   54,
+    0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  62,  0,   0,  1,   83,  84,  65,
+    84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   6,   0,  0,   0,   2,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/cleardepth11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/cleardepth11ps.h
new file mode 100644
index 0000000000..41a39aead9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/cleardepth11ps.h
@@ -0,0 +1,74 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer DepthOnlyData
+// {
+//
+//   float zValue_Depth;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// DepthOnlyData                     cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output oDepth
+mov oDepth, cb0[1].x
+ret 
+// Approximately 2 instruction slots used
+#endif
+
+const BYTE g_PS_ClearDepth[] = {
+    68,  88,  66,  67,  27,  164, 102, 59,  78,  154, 233, 127, 65,  17,  101, 9,   4,   119, 201,
+    97,  1,   0,   0,   0,   36,  2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   0,   1,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   168, 1,   0,   0,   82,  68,  69,  70,  196,
+    0,   0,   0,   1,   0,   0,   0,   76,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   156, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   68,  101, 112, 116, 104, 79,  110, 108, 121, 68,  97,  116, 97,
+    0,   171, 171, 60,  0,   0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   124, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,
+    0,   2,   0,   0,   0,   140, 0,   0,   0,   0,   0,   0,   0,   122, 86,  97,  108, 117, 101,
+    95,  68,  101, 112, 116, 104, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,
+    41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105,
+    108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,   0,   1,   0,
+    0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,
+    0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,
+    73,  79,  78,  0,   79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255,
+    255, 255, 1,   14,  0,   0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 171, 171, 83,
+    72,  68,  82,  56,  0,   0,   0,   64,  0,   0,   0,   14,  0,   0,   0,   89,  0,   0,   4,
+    70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,
+    0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,
+    0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   2,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11_fl9ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11_fl9ps.h
new file mode 100644
index 0000000000..cebc263110
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11_fl9ps.h
@@ -0,0 +1,128 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_TARGET                2   xyzw        2   TARGET   float   xyzw
+// SV_TARGET                3   xyzw        3   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+//
+// Constant buffer to DX9 shader constant mappings:
+//
+// Target Reg Buffer  Start Reg # of Regs        Data Conversion
+// ---------- ------- --------- --------- ----------------------
+// c0         cb0             0         2  ( FLT, FLT, FLT, FLT)
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    mov oC0, c0
+    mov oC1, c0
+    mov oC2, c0
+    mov oC3, c0
+    mov oDepth, c1.x
+
+// approximately 5 instruction slots used
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat_FL9[] = {
+    68,  88,  66,  67,  85,  216, 43,  21,  188, 93,  222, 90,  179, 114, 11,  205, 194, 17,  203,
+    168, 1,   0,   0,   0,   216, 3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   180, 0,
+    0,   0,   132, 1,   0,   0,   0,   2,   0,   0,   8,   3,   0,   0,   60,  3,   0,   0,   65,
+    111, 110, 57,  116, 0,   0,   0,   116, 0,   0,   0,   0,   2,   255, 255, 68,  0,   0,   0,
+    48,  0,   0,   0,   1,   0,   36,  0,   0,   0,   48,  0,   0,   0,   48,  0,   0,   0,   36,
+    0,   0,   0,   48,  0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   1,   2,
+    255, 255, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 160, 1,   0,   0,   2,   1,
+    8,   15,  128, 0,   0,   228, 160, 1,   0,   0,   2,   2,   8,   15,  128, 0,   0,   228, 160,
+    1,   0,   0,   2,   3,   8,   15,  128, 0,   0,   228, 160, 1,   0,   0,   2,   0,   8,   15,
+    144, 1,   0,   0,   160, 255, 255, 0,   0,   83,  72,  68,  82,  200, 0,   0,   0,   64,  0,
+    0,   0,   50,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,
+    0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,   2,   1,   192,
+    0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,
+    70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,
+    0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   6,   242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,
+    1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   82,
+    68,  69,  70,  0,   1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,
+    28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,
+    101, 112, 116, 104, 68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,
+    2,   0,   0,   0,   108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   156, 0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,
+    0,   0,   0,   0,   0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,
+    0,   0,   0,   200, 0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108,
+    111, 97,  116, 0,   1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   122, 86,  97,  108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,
+    3,   0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111,
+    115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101,
+    114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,
+    78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,
+    86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  148, 0,   0,   0,
+    5,   0,   0,   0,   8,   0,   0,   0,   128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   128, 0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   128,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    15,  0,   0,   0,   128, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   3,   0,   0,   0,   15,  0,   0,   0,   138, 0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,
+    82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps1.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps1.h
new file mode 100644
index 0000000000..d2845b994b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps1.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 3 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat1[] = {
+    68,  88,  66,  67,  249, 37,  129, 249, 125, 252, 189, 145, 109, 207, 171, 136, 14,  159, 102,
+    81,  1,   0,   0,   0,   164, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   196, 1,   0,   0,   40,  2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  76,  0,   0,   0,   2,   0,   0,   0,
+    8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   66,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,
+    82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,
+    92,  0,   0,   0,   64,  0,   0,   0,   23,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,
+    0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,
+    1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps2.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps2.h
new file mode 100644
index 0000000000..b1b3a4e441
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps2.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat2[] = {
+    68,  88,  66,  67,  47,  142, 59,  204, 239, 80,  8,   161, 169, 171, 199, 199, 129, 33,  42,
+    115, 1,   0,   0,   0,   224, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   220, 1,   0,   0,   100, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  100, 0,   0,   0,   3,   0,   0,   0,
+    8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   80,  0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   90,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,
+    83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,
+    171, 83,  72,  68,  82,  128, 0,   0,   0,   64,  0,   0,   0,   32,  0,   0,   0,   89,  0,
+    0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,
+    101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,
+    0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,
+    16,  0,   1,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps3.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps3.h
new file mode 100644
index 0000000000..e84854ff68
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps3.h
@@ -0,0 +1,97 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_TARGET                2   xyzw        2   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat3[] = {
+    68,  88,  66,  67,  98,  17,  13,  150, 202, 50,  172, 72,  101, 93,  116, 134, 154, 66,  233,
+    63,  1,   0,   0,   0,   28,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   244, 1,   0,   0,   160, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  124, 0,   0,   0,   4,   0,   0,   0,
+    8,   0,   0,   0,   104, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   104, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   104, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    114, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255,
+    255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,
+    69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  164, 0,   0,   0,   64,  0,   0,   0,   41,
+    0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,
+    0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101, 0,
+    0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,
+    1,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   242, 32,  16,  0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps4.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps4.h
new file mode 100644
index 0000000000..60584aceef
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps4.h
@@ -0,0 +1,104 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_TARGET                2   xyzw        2   TARGET   float   xyzw
+// SV_TARGET                3   xyzw        3   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat4[] = {
+    68,  88,  66,  67,  138, 36,  21,  91,  225, 8,   214, 250, 89,  152, 40,  168, 243, 126, 8,
+    187, 1,   0,   0,   0,   88,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   12,  2,   0,   0,   220, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  148, 0,   0,   0,   5,   0,   0,   0,
+    8,   0,   0,   0,   128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   128, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   128, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    128, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   138, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,
+    0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  200, 0,   0,   0,
+    64,  0,   0,   0,   50,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,
+    0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,
+    0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,   2,
+    1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,
+    0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242,
+    32,  16,  0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    54,  0,   0,   6,   242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps5.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps5.h
new file mode 100644
index 0000000000..15c0545fee
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps5.h
@@ -0,0 +1,110 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_TARGET                2   xyzw        2   TARGET   float   xyzw
+// SV_TARGET                3   xyzw        3   TARGET   float   xyzw
+// SV_TARGET                4   xyzw        4   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat5[] = {
+    68,  88,  66,  67,  19,  82,  125, 81,  104, 222, 105, 50,  128, 46,  184, 118, 230, 154, 80,
+    52,  1,   0,   0,   0,   148, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   36,  2,   0,   0,   24,  3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  172, 0,   0,   0,   6,   0,   0,   0,
+    8,   0,   0,   0,   152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   152, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   152, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    152, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   152, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   162, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,
+    82,  236, 0,   0,   0,   64,  0,   0,   0,   59,  0,   0,   0,   89,  0,   0,   4,   70,  142,
+    32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,
+    0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   4,   0,   0,   0,   101, 0,   0,   2,   1,   192,
+    0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,
+    70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,
+    0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   6,   242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps6.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps6.h
new file mode 100644
index 0000000000..7cd6a03188
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps6.h
@@ -0,0 +1,116 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_TARGET                2   xyzw        2   TARGET   float   xyzw
+// SV_TARGET                3   xyzw        3   TARGET   float   xyzw
+// SV_TARGET                4   xyzw        4   TARGET   float   xyzw
+// SV_TARGET                5   xyzw        5   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat6[] = {
+    68,  88,  66,  67,  115, 157, 164, 56,  254, 153, 37,  126, 220, 182, 131, 196, 87,  71,  44,
+    30,  1,   0,   0,   0,   208, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   60,  2,   0,   0,   84,  3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  196, 0,   0,   0,   7,   0,   0,   0,
+    8,   0,   0,   0,   176, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    176, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   176, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   186, 0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,
+    0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,
+    0,   171, 83,  72,  68,  82,  16,  1,   0,   0,   64,  0,   0,   0,   68,  0,   0,   0,   89,
+    0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,
+    16,  0,   3,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   4,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   5,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,
+    54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142,
+    32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,
+    0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,
+    242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   54,  0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,
+    10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,
+    84,  116, 0,   0,   0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   7,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps7.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps7.h
new file mode 100644
index 0000000000..048471ad6b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps7.h
@@ -0,0 +1,122 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_TARGET                2   xyzw        2   TARGET   float   xyzw
+// SV_TARGET                3   xyzw        3   TARGET   float   xyzw
+// SV_TARGET                4   xyzw        4   TARGET   float   xyzw
+// SV_TARGET                5   xyzw        5   TARGET   float   xyzw
+// SV_TARGET                6   xyzw        6   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output o6.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov o6.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat7[] = {
+    68,  88,  66,  67,  142, 12,  138, 6,   10,  107, 58,  43,  178, 14,  208, 224, 48,  233, 91,
+    50,  1,   0,   0,   0,   12,  4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   84,  2,   0,   0,   144, 3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  220, 0,   0,   0,   8,   0,   0,   0,
+    8,   0,   0,   0,   200, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    200, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   200, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,
+    6,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   6,   0,   0,   0,   15,  0,   0,
+    0,   210, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255,
+    255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,
+    68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  52,  1,   0,   0,   64,  0,   0,   0,
+    77,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,
+    16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,
+    4,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   5,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   6,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,
+    0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142, 32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,   0,   0,
+    0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,
+    16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,  142, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   6,   0,
+    0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,
+    192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,
+    83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps8.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps8.h
new file mode 100644
index 0000000000..b338868e18
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearfloat11ps8.h
@@ -0,0 +1,128 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataFloat
+// {
+//
+//   float4 color_Float;                // Offset:    0 Size:    16
+//   float zValueF_Float;               // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataFloat            cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+// SV_TARGET                1   xyzw        1   TARGET   float   xyzw
+// SV_TARGET                2   xyzw        2   TARGET   float   xyzw
+// SV_TARGET                3   xyzw        3   TARGET   float   xyzw
+// SV_TARGET                4   xyzw        4   TARGET   float   xyzw
+// SV_TARGET                5   xyzw        5   TARGET   float   xyzw
+// SV_TARGET                6   xyzw        6   TARGET   float   xyzw
+// SV_TARGET                7   xyzw        7   TARGET   float   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output o6.xyzw
+dcl_output o7.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov o6.xyzw, cb0[0].xyzw
+mov o7.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_ClearFloat8[] = {
+    68,  88,  66,  67,  228, 232, 153, 58,  173, 161, 124, 75,  45,  184, 173, 123, 62,  150, 36,
+    145, 1,   0,   0,   0,   72,  4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   108, 2,   0,   0,   204, 3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  70,  108, 111, 97,  116, 0,   171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  70,  108, 111, 97,  116, 0,
+    1,   0,   3,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  70,  108, 111, 97,  116, 0,   171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  244, 0,   0,   0,   9,   0,   0,   0,
+    8,   0,   0,   0,   224, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    224, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   224, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,
+    6,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   6,   0,   0,   0,   15,  0,   0,
+    0,   224, 0,   0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   7,   0,
+    0,   0,   15,  0,   0,   0,   234, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,
+    0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,
+    84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  88,  1,   0,
+    0,   64,  0,   0,   0,   86,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,
+    0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,
+    2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   4,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   5,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   6,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   7,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,
+    242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142, 32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,
+    3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,  142, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   6,   0,   0,   0,
+    70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,
+    0,   7,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   10,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps1.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps1.h
new file mode 100644
index 0000000000..d6139430ee
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps1.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 3 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint1[] = {
+    68,  88,  66,  67,  231, 188, 2,   59,  91,  73,  220, 119, 245, 143, 245, 143, 240, 202, 170,
+    163, 1,   0,   0,   0,   164, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   196, 1,   0,   0,   40,  2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  76,  0,   0,   0,   2,   0,   0,   0,
+    8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   66,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,
+    82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,
+    92,  0,   0,   0,   64,  0,   0,   0,   23,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,
+    0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,
+    1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps2.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps2.h
new file mode 100644
index 0000000000..a7cc7221ce
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps2.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_TARGET                1   xyzw        1   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint2[] = {
+    68,  88,  66,  67,  85,  225, 210, 35,  166, 97,  84,  193, 114, 210, 51,  82,  238, 19,  251,
+    198, 1,   0,   0,   0,   224, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   220, 1,   0,   0,   100, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  100, 0,   0,   0,   3,   0,   0,   0,
+    8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   80,  0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   90,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,
+    83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,
+    171, 83,  72,  68,  82,  128, 0,   0,   0,   64,  0,   0,   0,   32,  0,   0,   0,   89,  0,
+    0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,
+    101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,
+    0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,
+    16,  0,   1,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps3.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps3.h
new file mode 100644
index 0000000000..053de6d738
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps3.h
@@ -0,0 +1,97 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_TARGET                1   xyzw        1   TARGET     int   xyzw
+// SV_TARGET                2   xyzw        2   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint3[] = {
+    68,  88,  66,  67,  101, 236, 110, 148, 64,  148, 5,   108, 246, 70,  148, 1,   36,  90,  92,
+    9,   1,   0,   0,   0,   28,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   244, 1,   0,   0,   160, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  124, 0,   0,   0,   4,   0,   0,   0,
+    8,   0,   0,   0,   104, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   104, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   104, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    114, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255,
+    255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,
+    69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  164, 0,   0,   0,   64,  0,   0,   0,   41,
+    0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,
+    0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101, 0,
+    0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,
+    1,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   242, 32,  16,  0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps4.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps4.h
new file mode 100644
index 0000000000..134f6253ee
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps4.h
@@ -0,0 +1,104 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_TARGET                1   xyzw        1   TARGET     int   xyzw
+// SV_TARGET                2   xyzw        2   TARGET     int   xyzw
+// SV_TARGET                3   xyzw        3   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint4[] = {
+    68,  88,  66,  67,  206, 59,  157, 191, 139, 37,  109, 85,  193, 141, 185, 200, 81,  149, 0,
+    246, 1,   0,   0,   0,   88,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   12,  2,   0,   0,   220, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  148, 0,   0,   0,   5,   0,   0,   0,
+    8,   0,   0,   0,   128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   128, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   128, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    128, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   138, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,
+    0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  200, 0,   0,   0,
+    64,  0,   0,   0,   50,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,
+    0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,
+    0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,   2,
+    1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,
+    0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242,
+    32,  16,  0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    54,  0,   0,   6,   242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps5.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps5.h
new file mode 100644
index 0000000000..3466e72460
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps5.h
@@ -0,0 +1,110 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_TARGET                1   xyzw        1   TARGET     int   xyzw
+// SV_TARGET                2   xyzw        2   TARGET     int   xyzw
+// SV_TARGET                3   xyzw        3   TARGET     int   xyzw
+// SV_TARGET                4   xyzw        4   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint5[] = {
+    68,  88,  66,  67,  91,  91,  66,  76,  160, 92,  0,   147, 5,   30,  128, 248, 1,   125, 140,
+    124, 1,   0,   0,   0,   148, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   36,  2,   0,   0,   24,  3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  172, 0,   0,   0,   6,   0,   0,   0,
+    8,   0,   0,   0,   152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   152, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   152, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    152, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   152, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   162, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,
+    82,  236, 0,   0,   0,   64,  0,   0,   0,   59,  0,   0,   0,   89,  0,   0,   4,   70,  142,
+    32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,
+    0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   4,   0,   0,   0,   101, 0,   0,   2,   1,   192,
+    0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,
+    70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,
+    0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   6,   242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps6.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps6.h
new file mode 100644
index 0000000000..b54bcf1fea
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps6.h
@@ -0,0 +1,116 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_TARGET                1   xyzw        1   TARGET     int   xyzw
+// SV_TARGET                2   xyzw        2   TARGET     int   xyzw
+// SV_TARGET                3   xyzw        3   TARGET     int   xyzw
+// SV_TARGET                4   xyzw        4   TARGET     int   xyzw
+// SV_TARGET                5   xyzw        5   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint6[] = {
+    68,  88,  66,  67,  245, 94,  2,   129, 134, 247, 241, 8,   253, 220, 200, 172, 215, 17,  127,
+    35,  1,   0,   0,   0,   208, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   60,  2,   0,   0,   84,  3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  196, 0,   0,   0,   7,   0,   0,   0,
+    8,   0,   0,   0,   176, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    176, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   176, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   186, 0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,
+    0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,
+    0,   171, 83,  72,  68,  82,  16,  1,   0,   0,   64,  0,   0,   0,   68,  0,   0,   0,   89,
+    0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,
+    16,  0,   3,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   4,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   5,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,
+    54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142,
+    32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,
+    0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,
+    242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   54,  0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,
+    10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,
+    84,  116, 0,   0,   0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   7,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps7.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps7.h
new file mode 100644
index 0000000000..0c7755d295
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps7.h
@@ -0,0 +1,122 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_TARGET                1   xyzw        1   TARGET     int   xyzw
+// SV_TARGET                2   xyzw        2   TARGET     int   xyzw
+// SV_TARGET                3   xyzw        3   TARGET     int   xyzw
+// SV_TARGET                4   xyzw        4   TARGET     int   xyzw
+// SV_TARGET                5   xyzw        5   TARGET     int   xyzw
+// SV_TARGET                6   xyzw        6   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output o6.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov o6.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint7[] = {
+    68,  88,  66,  67,  203, 48,  20,  196, 108, 146, 109, 165, 143, 63,  145, 150, 29,  34,  214,
+    22,  1,   0,   0,   0,   12,  4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   84,  2,   0,   0,   144, 3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  220, 0,   0,   0,   8,   0,   0,   0,
+    8,   0,   0,   0,   200, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    200, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   200, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,
+    6,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   6,   0,   0,   0,   15,  0,   0,
+    0,   210, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255,
+    255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,
+    68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  52,  1,   0,   0,   64,  0,   0,   0,
+    77,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,
+    16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,
+    4,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   5,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   6,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,
+    0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142, 32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,   0,   0,
+    0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,
+    16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,  142, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   6,   0,
+    0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,
+    192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,
+    83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps8.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps8.h
new file mode 100644
index 0000000000..10e77dfcc3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearsint11ps8.h
@@ -0,0 +1,128 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataSint
+// {
+//
+//   int4 color_Sint;                   // Offset:    0 Size:    16
+//   float zValueF_Sint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataSint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+// SV_TARGET                1   xyzw        1   TARGET     int   xyzw
+// SV_TARGET                2   xyzw        2   TARGET     int   xyzw
+// SV_TARGET                3   xyzw        3   TARGET     int   xyzw
+// SV_TARGET                4   xyzw        4   TARGET     int   xyzw
+// SV_TARGET                5   xyzw        5   TARGET     int   xyzw
+// SV_TARGET                6   xyzw        6   TARGET     int   xyzw
+// SV_TARGET                7   xyzw        7   TARGET     int   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output o6.xyzw
+dcl_output o7.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov o6.xyzw, cb0[0].xyzw
+mov o7.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_ClearSint8[] = {
+    68,  88,  66,  67,  199, 7,   207, 179, 143, 119, 139, 38,  92,  223, 215, 110, 33,  171, 222,
+    186, 1,   0,   0,   0,   72,  4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   108, 2,   0,   0,   204, 3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  83,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  83,  105, 110, 116, 0,   171,
+    1,   0,   2,   0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  83,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  244, 0,   0,   0,   9,   0,   0,   0,
+    8,   0,   0,   0,   224, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    224, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   224, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,
+    6,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   6,   0,   0,   0,   15,  0,   0,
+    0,   224, 0,   0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   7,   0,
+    0,   0,   15,  0,   0,   0,   234, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,
+    0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,
+    84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  88,  1,   0,
+    0,   64,  0,   0,   0,   86,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,
+    0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,
+    2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   4,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   5,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   6,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   7,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,
+    242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142, 32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,
+    3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,  142, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   6,   0,   0,   0,
+    70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,
+    0,   7,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   10,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps1.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps1.h
new file mode 100644
index 0000000000..10f1a56e51
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps1.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 3 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint1[] = {
+    68,  88,  66,  67,  153, 3,   197, 234, 233, 241, 61,  147, 138, 167, 150, 193, 156, 181, 197,
+    213, 1,   0,   0,   0,   164, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   196, 1,   0,   0,   40,  2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  76,  0,   0,   0,   2,   0,   0,   0,
+    8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   66,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,
+    82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,
+    92,  0,   0,   0,   64,  0,   0,   0,   23,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,
+    0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,
+    1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps2.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps2.h
new file mode 100644
index 0000000000..8c94b388f9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps2.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_TARGET                1   xyzw        1   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint2[] = {
+    68,  88,  66,  67,  192, 246, 30,  248, 11,  186, 26,  252, 71,  98,  86,  143, 152, 241, 57,
+    66,  1,   0,   0,   0,   224, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   220, 1,   0,   0,   100, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  100, 0,   0,   0,   3,   0,   0,   0,
+    8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   80,  0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   90,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,
+    83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,
+    171, 83,  72,  68,  82,  128, 0,   0,   0,   64,  0,   0,   0,   32,  0,   0,   0,   89,  0,
+    0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,
+    101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,
+    0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,
+    16,  0,   1,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps3.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps3.h
new file mode 100644
index 0000000000..3c31a85656
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps3.h
@@ -0,0 +1,97 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_TARGET                1   xyzw        1   TARGET    uint   xyzw
+// SV_TARGET                2   xyzw        2   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint3[] = {
+    68,  88,  66,  67,  122, 152, 146, 15,  20,  60,  207, 219, 181, 233, 35,  208, 96,  171, 60,
+    29,  1,   0,   0,   0,   28,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   244, 1,   0,   0,   160, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  124, 0,   0,   0,   4,   0,   0,   0,
+    8,   0,   0,   0,   104, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   104, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   104, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    114, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255,
+    255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,
+    69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  164, 0,   0,   0,   64,  0,   0,   0,   41,
+    0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,
+    0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101, 0,
+    0,   2,   1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,
+    1,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   242, 32,  16,  0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps4.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps4.h
new file mode 100644
index 0000000000..722f1f0acc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps4.h
@@ -0,0 +1,104 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_TARGET                1   xyzw        1   TARGET    uint   xyzw
+// SV_TARGET                2   xyzw        2   TARGET    uint   xyzw
+// SV_TARGET                3   xyzw        3   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint4[] = {
+    68,  88,  66,  67,  255, 94,  158, 125, 94,  174, 68,  246, 120, 231, 8,   70,  114, 202, 111,
+    31,  1,   0,   0,   0,   88,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   12,  2,   0,   0,   220, 2,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  148, 0,   0,   0,   5,   0,   0,   0,
+    8,   0,   0,   0,   128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   128, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   128, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    128, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   138, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,
+    0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  200, 0,   0,   0,
+    64,  0,   0,   0,   50,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,
+    0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,
+    0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,   2,
+    1,   192, 0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,
+    0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242,
+    32,  16,  0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    54,  0,   0,   6,   242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps5.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps5.h
new file mode 100644
index 0000000000..d387a76848
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps5.h
@@ -0,0 +1,110 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_TARGET                1   xyzw        1   TARGET    uint   xyzw
+// SV_TARGET                2   xyzw        2   TARGET    uint   xyzw
+// SV_TARGET                3   xyzw        3   TARGET    uint   xyzw
+// SV_TARGET                4   xyzw        4   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint5[] = {
+    68,  88,  66,  67,  208, 22,  91,  140, 204, 34,  72,  161, 50,  27,  2,   156, 220, 29,  44,
+    80,  1,   0,   0,   0,   148, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   36,  2,   0,   0,   24,  3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  172, 0,   0,   0,   6,   0,   0,   0,
+    8,   0,   0,   0,   152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   152, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   152, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    152, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   152, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   162, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,
+    82,  236, 0,   0,   0,   64,  0,   0,   0,   59,  0,   0,   0,   89,  0,   0,   4,   70,  142,
+    32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,
+    0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   4,   0,   0,   0,   101, 0,   0,   2,   1,   192,
+    0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,
+    70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,
+    0,   2,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   6,   242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,   10,  128, 32,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps6.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps6.h
new file mode 100644
index 0000000000..b3dce8228d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps6.h
@@ -0,0 +1,116 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_TARGET                1   xyzw        1   TARGET    uint   xyzw
+// SV_TARGET                2   xyzw        2   TARGET    uint   xyzw
+// SV_TARGET                3   xyzw        3   TARGET    uint   xyzw
+// SV_TARGET                4   xyzw        4   TARGET    uint   xyzw
+// SV_TARGET                5   xyzw        5   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint6[] = {
+    68,  88,  66,  67,  78,  113, 96,  10,  75,  203, 142, 20,  121, 52,  202, 19,  182, 137, 113,
+    117, 1,   0,   0,   0,   208, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   60,  2,   0,   0,   84,  3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  196, 0,   0,   0,   7,   0,   0,   0,
+    8,   0,   0,   0,   176, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    176, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   176, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   176, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   186, 0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,
+    0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,  68,  69,  80,  84,  72,
+    0,   171, 83,  72,  68,  82,  16,  1,   0,   0,   64,  0,   0,   0,   68,  0,   0,   0,   89,
+    0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   1,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,
+    16,  0,   3,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   4,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   5,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,
+    54,  0,   0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142,
+    32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,
+    0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,
+    242, 32,  16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   54,  0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,   192, 0,   0,
+    10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,
+    84,  116, 0,   0,   0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   7,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps7.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps7.h
new file mode 100644
index 0000000000..95987043f2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps7.h
@@ -0,0 +1,122 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_TARGET                1   xyzw        1   TARGET    uint   xyzw
+// SV_TARGET                2   xyzw        2   TARGET    uint   xyzw
+// SV_TARGET                3   xyzw        3   TARGET    uint   xyzw
+// SV_TARGET                4   xyzw        4   TARGET    uint   xyzw
+// SV_TARGET                5   xyzw        5   TARGET    uint   xyzw
+// SV_TARGET                6   xyzw        6   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output o6.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov o6.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint7[] = {
+    68,  88,  66,  67,  187, 93,  194, 62,  133, 16,  185, 196, 51,  199, 55,  8,   8,   169, 14,
+    118, 1,   0,   0,   0,   12,  4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   84,  2,   0,   0,   144, 3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  220, 0,   0,   0,   8,   0,   0,   0,
+    8,   0,   0,   0,   200, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    200, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   200, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   200, 0,   0,   0,
+    6,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   6,   0,   0,   0,   15,  0,   0,
+    0,   210, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255,
+    255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   83,  86,  95,
+    68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  52,  1,   0,   0,   64,  0,   0,   0,
+    77,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   2,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101, 0,   0,   3,   242, 32,
+    16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   2,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,
+    4,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   5,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   6,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,
+    0,   6,   242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142, 32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,   0,   0,
+    0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,
+    16,  0,   3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,  142, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   6,   0,
+    0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   1,
+    192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,
+    83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   8,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps8.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps8.h
new file mode 100644
index 0000000000..c470ab47bf
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/clearuint11ps8.h
@@ -0,0 +1,128 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer ColorAndDepthDataUint
+// {
+//
+//   uint4 color_Uint;                  // Offset:    0 Size:    16
+//   float zValueF_Uint;                // Offset:   16 Size:     4
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// ColorAndDepthDataUint             cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+// SV_TARGET                1   xyzw        1   TARGET    uint   xyzw
+// SV_TARGET                2   xyzw        2   TARGET    uint   xyzw
+// SV_TARGET                3   xyzw        3   TARGET    uint   xyzw
+// SV_TARGET                4   xyzw        4   TARGET    uint   xyzw
+// SV_TARGET                5   xyzw        5   TARGET    uint   xyzw
+// SV_TARGET                6   xyzw        6   TARGET    uint   xyzw
+// SV_TARGET                7   xyzw        7   TARGET    uint   xyzw
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_constantbuffer CB0[2], immediateIndexed
+dcl_output o0.xyzw
+dcl_output o1.xyzw
+dcl_output o2.xyzw
+dcl_output o3.xyzw
+dcl_output o4.xyzw
+dcl_output o5.xyzw
+dcl_output o6.xyzw
+dcl_output o7.xyzw
+dcl_output oDepth
+mov o0.xyzw, cb0[0].xyzw
+mov o1.xyzw, cb0[0].xyzw
+mov o2.xyzw, cb0[0].xyzw
+mov o3.xyzw, cb0[0].xyzw
+mov o4.xyzw, cb0[0].xyzw
+mov o5.xyzw, cb0[0].xyzw
+mov o6.xyzw, cb0[0].xyzw
+mov o7.xyzw, cb0[0].xyzw
+mov oDepth, cb0[1].x
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_ClearUint8[] = {
+    68,  88,  66,  67,  206, 106, 135, 121, 179, 175, 105, 51,  32,  41,  211, 246, 201, 25,  75,
+    237, 1,   0,   0,   0,   72,  4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   60,  1,
+    0,   0,   112, 1,   0,   0,   108, 2,   0,   0,   204, 3,   0,   0,   82,  68,  69,  70,  0,
+    1,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   216, 0,   0,   0,   60,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   67,  111, 108, 111, 114, 65,  110, 100, 68,  101, 112, 116, 104,
+    68,  97,  116, 97,  85,  105, 110, 116, 0,   171, 171, 60,  0,   0,   0,   2,   0,   0,   0,
+    108, 0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   156, 0,   0,
+    0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   168, 0,   0,   0,   0,   0,
+    0,   0,   184, 0,   0,   0,   16,  0,   0,   0,   4,   0,   0,   0,   2,   0,   0,   0,   200,
+    0,   0,   0,   0,   0,   0,   0,   99,  111, 108, 111, 114, 95,  85,  105, 110, 116, 0,   171,
+    1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   122, 86,  97,
+    108, 117, 101, 70,  95,  85,  105, 110, 116, 0,   171, 171, 171, 0,   0,   3,   0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   79,  83,  71,  78,  244, 0,   0,   0,   9,   0,   0,   0,
+    8,   0,   0,   0,   224, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   15,  0,   0,   0,
+    224, 0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,
+    0,   15,  0,   0,   0,   224, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   4,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,   5,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   5,   0,   0,   0,   15,  0,   0,   0,   224, 0,   0,   0,
+    6,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   6,   0,   0,   0,   15,  0,   0,
+    0,   224, 0,   0,   0,   7,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   7,   0,
+    0,   0,   15,  0,   0,   0,   234, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,
+    0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  84,  65,  82,  71,  69,
+    84,  0,   83,  86,  95,  68,  69,  80,  84,  72,  0,   171, 83,  72,  68,  82,  88,  1,   0,
+    0,   64,  0,   0,   0,   86,  0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,
+    0,   0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,
+    2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   3,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   4,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   5,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   6,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   7,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,   0,   54,  0,   0,   6,
+    242, 32,  16,  0,   0,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   54,  0,   0,   6,   242, 32,  16,  0,   1,   0,   0,   0,   70,  142, 32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   2,   0,   0,   0,   70,
+    142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,
+    3,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   242, 32,  16,  0,   4,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   5,   0,   0,   0,   70,  142, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,  0,   6,   0,   0,   0,
+    70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   242, 32,  16,
+    0,   7,   0,   0,   0,   70,  142, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   5,   1,   192, 0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   10,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   9,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2d_ps.h
new file mode 100644
index 0000000000..215c315abf
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2d_ps.h
@@ -0,0 +1,76 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xxxx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_LUMA_2D[] = {
+    68,  88,  66,  67,  196, 88,  192, 127, 243, 30,  81,  182, 148, 19,  99,  57, 115, 181, 138,
+    146, 1,   0,   0,   0,   128, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   4,   2,   0,   0,   82,  68, 69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  156, 0,  0,   0,   64,
+    0,   0,   0,   39,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16, 0,   0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,  16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,  0,   0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   0,   0,   0,  0,   54,  0,
+    0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  128, 63,  62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,  0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2darray_ps.h
new file mode 100644
index 0000000000..6918bb1bb3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_2darray_ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xxxx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_LUMA_2DArray[] = {
+    68,  88,  66,  67,  96,  91,  207, 234, 31,  106, 235, 231, 220, 198, 196, 200, 17,  9,   209,
+    197, 1,   0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  212, 0,   0,   0,   64,  0,
+    0,   0,   53,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,
+    130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_3d_ps.h
new file mode 100644
index 0000000000..0c5f9d3b26
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_luma_3d_ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xxxx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_LUMA_3D[] = {
+    68,  88, 66,  67,  241, 186, 22,  7,   74,  156, 103, 227, 226, 7,   140, 127, 65, 83,  2,
+    111, 1,  0,   0,   0,   176, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   52,  2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95, 51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76, 83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32, 49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,  0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171,
+    171, 83, 72,  68,  82,  156, 0,   0,   0,   64,  0,   0,   0,   39,  0,   0,   0,  90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16, 0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,  0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,  0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,  2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,  0,   56,
+    0,   0,  7,   114, 32,  16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,  0,   0,
+    6,   0,  16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,  0,   0,
+    0,   1,  64,  0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84, 116, 0,
+    0,   0,  4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,  0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   1,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2d_ps.h
new file mode 100644
index 0000000000..5904f217e3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2d_ps.h
@@ -0,0 +1,76 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xxxx
+mov o0.w, r0.w
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_LUMAALPHA_2D[] = {
+    68,  88,  66,  67,  101, 29,  108, 117, 250, 233, 255, 220, 65,  43,  102, 162, 164, 247, 189,
+    112, 1,   0,   0,   0,   128, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   4,   2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  156, 0,   0,   0,   64,
+    0,   0,   0,   39,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,   0,   0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2darray_ps.h
new file mode 100644
index 0000000000..09d9bad5c0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_2darray_ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xxxx
+mov o0.w, r0.w
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_LUMAALPHA_2DArray[] = {
+    68,  88,  66,  67,  16,  148, 215, 158, 112, 164, 42,  84,  33,  70,  148, 190, 238, 94,  245,
+    128, 1,   0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  212, 0,   0,   0,   64,  0,
+    0,   0,   53,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,
+    130, 32,  16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_3d_ps.h
new file mode 100644
index 0000000000..d8ca1c845a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_lumaalpha_3d_ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xxxx
+mov o0.w, r0.w
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_LUMAALPHA_3D[] = {
+    68,  88, 66,  67,  9,   39,  6,   28,  108, 109, 23,  108, 237, 131, 58,  1,   102, 159, 191,
+    61,  1,  0,   0,   0,   176, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   52,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  156, 0,   0,   0,   64,  0,   0,   0,   39,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  7,   114, 32,  16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    6,   0,  16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,
+    0,   58, 0,   16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,  4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2d_ps.h
new file mode 100644
index 0000000000..be18a987f8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2d_ps.h
@@ -0,0 +1,76 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGB_2D[] = {
+    68,  88,  66,  67,  87,  204, 158, 94,  75,  152, 102, 217, 0,   88,  222, 29, 232, 182, 2,
+    132, 1,   0,   0,   0,   128, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   4,   2,   0,   0,   82,  68, 69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  156, 0,  0,   0,   64,
+    0,   0,   0,   39,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16, 0,   0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,  16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,  0,   0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,  0,   54,  0,
+    0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  128, 63,  62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,  0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2darray_ps.h
new file mode 100644
index 0000000000..7f18036816
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_2darray_ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGB_2DArray[] = {
+    68,  88,  66,  67,  73,  224, 127, 95,  171, 173, 116, 230, 242, 111, 205, 239, 210, 69,  91,
+    238, 1,   0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  212, 0,   0,   0,   64,  0,
+    0,   0,   53,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,
+    130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_3d_ps.h
new file mode 100644
index 0000000000..78ed86a6cf
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_3d_ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGB_3D[] = {
+    68,  88, 66,  67,  188, 235, 5,   90,  236, 180, 172, 101, 155, 220, 117, 214, 110, 8,   67,
+    121, 1,  0,   0,   0,   176, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   52,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  156, 0,   0,   0,   64,  0,   0,   0,   39,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  7,   114, 32,  16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    70,  2,  16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,
+    0,   1,  64,  0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,  4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2d_ps.h
new file mode 100644
index 0000000000..05af034cf3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2d_ps.h
@@ -0,0 +1,84 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGB_565_2D[] = {
+    68,  88,  66,  67,  107, 29,  4,   204, 154, 16,  239, 118, 140, 65,  255, 118, 32, 171, 247,
+    239, 1,   0,   0,   0,   228, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   104, 2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,  0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73, 84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83, 71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,  83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  0,   1,   0,  0,   64,
+    0,   0,   0,   64,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,  0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98, 16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,  0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16, 0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,  0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,  0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,  56,  0,
+    0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,  0,   2,
+    64,  0,   0,   0,   0,   248, 65,  0,   0,   124, 66,  0,   0,   248, 65,  0,   0,  0,   0,
+    64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,  0,   0,
+    0,   56,  0,   0,   10,  114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,  0,   0,
+    0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  33,  8,   130, 60,  8,   33,  4,  61,  0,
+    0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64, 0,   0,
+    0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,  0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   4,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2darray_ps.h
new file mode 100644
index 0000000000..af5eb349ba
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_2darray_ps.h
@@ -0,0 +1,94 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGB_565_2DArray[] = {
+    68,  88,  66,  67,  45,  176, 85,  221, 234, 218, 205, 113, 163, 153, 221, 15,  166, 157, 230,
+    200, 1,   0,   0,   0,   84,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   216, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  56,  1,   0,   0,   64,  0,
+    0,   0,   78,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,   0,   248, 65,  0,   0,   124, 66,  0,   0,   248, 65,  0,   0,   0,   0,   64,  0,
+    0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   8,   33,  4,   61,  33,  8,   130, 60,  8,   33,  4,   61,  0,   0,   0,
+    0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,
+    128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_3d_ps.h
new file mode 100644
index 0000000000..bf02050d89
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgb_565_3d_ps.h
@@ -0,0 +1,88 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGB_565_3D[] = {
+    68,  88, 66,  67,  72,  210, 100, 140, 147, 53,  29,  56,  170, 112, 233, 37,  175, 201, 198,
+    250, 1,  0,   0,   0,   20,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   152, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  0,   1,   0,   0,   64,  0,   0,   0,   64,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  7,   114, 0,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    70,  2,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,
+    0,   70, 2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,
+    124, 66, 0,   0,   248, 65,  0,   0,   0,   0,   64,  0,   0,   5,   114, 0,   16,  0,   0,
+    0,   0,  0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 32,  16,  0,
+    0,   0,  0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,
+    61,  33, 8,   130, 60,  8,   33,  4,   61,  0,   0,   0,   0,   54,  0,   0,   5,   130, 32,
+    16,  0,  0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,
+    84,  65, 84,  116, 0,   0,   0,   7,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,  0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2d_ps.h
new file mode 100644
index 0000000000..68712ef7f5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2d_ps.h
@@ -0,0 +1,76 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_2D[] = {
+    68,  88,  66,  67,  132, 105, 208, 138, 186, 182, 112, 82,  173, 16,  240, 222, 116, 72,  178,
+    126, 1,   0,   0,   0,   128, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   4,   2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  156, 0,   0,   0,   64,
+    0,   0,   0,   39,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,   0,   0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2darray_ps.h
new file mode 100644
index 0000000000..2f0b59abe0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_2darray_ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_2DArray[] = {
+    68,  88,  66,  67,  61,  17,  53,  94,  235, 123, 58,  146, 86,  204, 96,  4,   97,  221, 95,
+    134, 1,   0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  212, 0,   0,   0,   64,  0,
+    0,   0,   53,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 32,  16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,
+    130, 32,  16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_3d_ps.h
new file mode 100644
index 0000000000..62d18d62db
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_3d_ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul o0.xyz, r0.wwww, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_3D[] = {
+    68,  88, 66,  67,  80,  173, 64,  240, 1,   143, 85,  115, 221, 254, 89,  145, 213, 191, 49,
+    141, 1,  0,   0,   0,   176, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   52,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  156, 0,   0,   0,   64,  0,   0,   0,   39,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  7,   114, 32,  16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    70,  2,  16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,
+    0,   58, 0,   16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,  4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2d_ps.h
new file mode 100644
index 0000000000..62e59d2e4e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2d_ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_4444_2D[] = {
+    68,  88,  66,  67,  52,  89,  222, 242, 25,  197, 40,  54,  79,  232, 156, 234, 251, 41,  41,
+    226, 1,   0,   0,   0,   208, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   84,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  236, 0,   0,   0,   64,
+    0,   0,   0,   59,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,
+    0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,
+    64,  0,   0,   0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,
+    64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,
+    0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136, 61,  137,
+    136, 136, 61,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2darray_ps.h
new file mode 100644
index 0000000000..ebfce59f6a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_2darray_ps.h
@@ -0,0 +1,92 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_4444_2DArray[] = {
+    68,  88,  66,  67,  119, 1,   180, 34,  213, 167, 228, 86,  205, 242, 230, 17,  87,  32,  74,
+    6,   1,   0,   0,   0,   64,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   196, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  36,  1,   0,   0,   64,  0,
+    0,   0,   73,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  64,  0,
+    0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136,
+    61,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_3d_ps.h
new file mode 100644
index 0000000000..a5dd42a2a7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_4444_3d_ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_4444_3D[] = {
+    68,  88,  66,  67,  233, 160, 206, 221, 201, 110, 121, 251, 163, 213, 234, 30,  171, 187, 79,
+    242, 1,   0,   0,   0,   0,   3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   132, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49,  0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  236, 0,   0,   0,   64,  0,   0,   0,   59,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   112, 65,  0,   0,
+    112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  64,  0,   0,   5,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,
+    0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   137, 136, 136,
+    61,  137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136, 61,  62,  0,   0,   1,   83,  84,
+    65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,
+    0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2d_ps.h
new file mode 100644
index 0000000000..fca424ebc2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2d_ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_5551_2D[] = {
+    68,  88,  66,  67,  157, 187, 40,  209, 230, 225, 190, 246, 40,  140, 167, 190, 61, 115, 94,
+    70,  1,   0,   0,   0,   208, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   84,  2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,  0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73, 84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83, 71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,  83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  236, 0,   0,  0,   64,
+    0,   0,   0,   59,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,  0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98, 16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,  0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16, 0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,  0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,  0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,  56,  0,
+    0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,  0,   2,
+    64,  0,   0,   0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   248, 65,  0,   0,  128, 63,
+    64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,  0,   0,
+    0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,  0,   0,
+    0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  8,   33,  4,   61,  8,   33,  4,  61,  0,
+    0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,  0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   4,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2darray_ps.h
new file mode 100644
index 0000000000..ee5c7d6e27
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_2darray_ps.h
@@ -0,0 +1,92 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_5551_2DArray[] = {
+    68,  88,  66,  67,  66,  21,  128, 163, 11,  21,  65,  137, 107, 224, 148, 78,  244, 169, 148,
+    247, 1,   0,   0,   0,   64,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   196, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  36,  1,   0,   0,   64,  0,
+    0,   0,   73,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   128, 63,  64,  0,
+    0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   8,   33,  4,   61,  8,   33,  4,   61,  8,   33,  4,   61,  0,   0,   128,
+    63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_3d_ps.h
new file mode 100644
index 0000000000..f4b47c002f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_pm_rgba_5551_3d_ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_PM_RGBA_5551_3D[] = {
+    68,  88, 66,  67,  74,  0,   199, 89,  200, 147, 93,  64,  244, 239, 156, 102, 110, 132, 22,
+    10,  1,  0,   0,   0,   0,   3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   132, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  236, 0,   0,   0,   64,  0,   0,   0,   59,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  7,   114, 0,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    70,  2,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,
+    0,   70, 14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,
+    248, 65, 0,   0,   248, 65,  0,   0,   128, 63,  64,  0,   0,   5,   242, 0,   16,  0,   0,
+    0,   0,  0,   70,  14,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,
+    0,   0,  0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,
+    61,  8,  33,  4,   61,  8,   33,  4,   61,  0,   0,   128, 63,  62,  0,   0,   1,   83,  84,
+    65,  84, 116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,
+    0,   0,  0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2d_ps.h
new file mode 100644
index 0000000000..a0023c0013
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2d_ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r0.w, r0.x, r0.w
+movc o0.xyz, r1.xxxx, r0.wwww, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_LUMA_2D[] = {
+    68,  88,  66,  67,  75,  92,  229, 222, 23,  169, 5,   92,  146, 12,  107, 229, 137, 155, 179,
+    250, 1,   0,   0,   0,   192, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   68,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  220, 0,   0,   0,   64,
+    0,   0,   0,   55,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,
+    0,   7,   130, 0,   16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   58,
+    0,   16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,   0,   0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,
+    0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2darray_ps.h
new file mode 100644
index 0000000000..4ad691bef4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_2darray_ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r0.w, r0.x, r0.w
+movc o0.xyz, r1.xxxx, r0.wwww, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_LUMA_2DArray[] = {
+    68,  88,  66,  67,  2,   234, 137, 29,  211, 208, 186, 172, 235, 8,   55,  155, 195, 91,  134,
+    133, 1,   0,   0,   0,   48,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   180, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  20,  1,   0,   0,   64,  0,
+    0,   0,   69,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    130, 0,   16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   58,  0,   16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,
+    0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_3d_ps.h
new file mode 100644
index 0000000000..4eed8c15ba
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_luma_3d_ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r0.w, r0.x, r0.w
+movc o0.xyz, r1.xxxx, r0.wwww, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_LUMA_3D[] = {
+    68,  88, 66,  67,  120, 214, 14,  47,  69,  88,  46,  178, 8,   214, 190, 124, 42, 131, 170,
+    151, 1,  0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95, 51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76, 83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32, 49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,  0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171,
+    171, 83, 72,  68,  82,  220, 0,   0,   0,   64,  0,   0,   0,   55,  0,   0,   0,  90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16, 0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,  0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,  0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,  2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,  0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,  0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   130, 0,   16,  0,   0,  0,   0,
+    0,   10, 0,   16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,  55,  0,
+    0,   9,  114, 32,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,  0,   246,
+    15,  16, 0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,  0,   5,
+    130, 32, 16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62, 0,   0,
+    1,   83, 84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   2,   0,   0,   0,  0,   0,
+    0,   0,  2,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2d_ps.h
new file mode 100644
index 0000000000..7501fae643
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2d_ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.y, r0.x, r0.w
+movc o0.xyz, r1.xxxx, r1.yyyy, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_LUMAALPHA_2D[] = {
+    68,  88,  66,  67,  190, 69,  123, 211, 19,  130, 132, 1,   132, 116, 62,  1,  233, 115, 38,
+    22,  1,   0,   0,   0,   192, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   68,  2,   0,   0,   82,  68, 69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  220, 0,  0,   0,   64,
+    0,   0,   0,   55,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16, 0,   0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,  16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,  1,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,  0,   14,  0,
+    0,   7,   34,  0,   16,  0,   1,   0,   0,   0,   10,  0,   16,  0,   0,   0,  0,   0,   58,
+    0,   16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,  0,   0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   86,  5,   16,  0,   1,   0,   0,   0,  70,  2,   16,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,  0,   58,  0,
+    16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,  0,   0,   6,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   1,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2darray_ps.h
new file mode 100644
index 0000000000..40eb1f480c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_2darray_ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.y, r0.x, r0.w
+movc o0.xyz, r1.xxxx, r1.yyyy, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_LUMAALPHA_2DArray[] = {
+    68,  88,  66,  67,  222, 131, 31,  168, 174, 145, 73,  243, 164, 132, 216, 2,   103, 0,   142,
+    101, 1,   0,   0,   0,   48,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   180, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  20,  1,   0,   0,   64,  0,
+    0,   0,   69,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    34,  0,   16,  0,   1,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   58,  0,   16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   86,  5,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   58,  0,   16,  0,
+    0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_3d_ps.h
new file mode 100644
index 0000000000..f6bbc8cc01
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_lumaalpha_3d_ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.y, r0.x, r0.w
+movc o0.xyz, r1.xxxx, r1.yyyy, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_LUMAALPHA_3D[] = {
+    68,  88, 66,  67,  160, 196, 1,   185, 15,  156, 153, 67,  85,  102, 198, 128, 138, 216, 238,
+    143, 1,  0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  220, 0,   0,   0,   64,  0,   0,   0,   55,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   34,  0,   16,  0,   1,   0,   0,
+    0,   10, 0,   16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 32,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   86,
+    5,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,
+    130, 32, 16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   62,  0,   0,
+    1,   83, 84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,  2,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2d_ps.h
new file mode 100644
index 0000000000..ce44a394d7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2d_ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc o0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGB_2D[] = {
+    68,  88,  66,  67,  93,  55,  14,  204, 55,  114, 238, 111, 6,   213, 4,   64, 58, 99,  168,
+    104, 1,   0,   0,   0,   192, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,  212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   68,  2,   0,   0,   82,  68, 69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,  0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,  0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,  0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73, 84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83, 71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,  83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  220, 0,  0,  0,   64,
+    0,   0,   0,   55,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,  0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98, 16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16, 0,  0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,  16, 0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,  0,  0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,  1,  0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,  0,  14,  0,
+    0,   7,   226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,  0,  0,   246,
+    15,  16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,  0,  0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,  70, 2,   16,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,  0,  1,   64,
+    0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,  0,  0,   6,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   1,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2darray_ps.h
new file mode 100644
index 0000000000..ea38e2e559
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_2darray_ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc o0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGB_2DArray[] = {
+    68,  88,  66,  67,  224, 13,  199, 125, 145, 168, 88,  56,  242, 2,   144, 118, 87,  186, 241,
+    248, 1,   0,   0,   0,   48,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   180, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  20,  1,   0,   0,   64,  0,
+    0,   0,   69,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,
+    0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_3d_ps.h
new file mode 100644
index 0000000000..da862eb119
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_3d_ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc o0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGB_3D[] = {
+    68,  88, 66,  67,  200, 37,  175, 150, 106, 41,  102, 69,  21,  246, 40,  148, 142, 99,  101,
+    71,  1,  0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  220, 0,   0,   0,   64,  0,   0,   0,   55,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 32,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,
+    130, 32, 16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62,  0,   0,
+    1,   83, 84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,  2,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2d_ps.h
new file mode 100644
index 0000000000..5996ba335e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2d_ps.h
@@ -0,0 +1,90 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGB_565_2D[] = {
+    68,  88,  66,  67,  120, 138, 72,  172, 147, 159, 222, 80,  129, 231, 133, 236, 125, 211, 201,
+    82,  1,   0,   0,   0,   36,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   168, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  64,  1,   0,   0,   64,
+    0,   0,   0,   80,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,
+    0,   7,   226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,
+    0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,
+    16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   124, 66,  0,
+    0,   248, 65,  0,   0,   0,   0,   64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,
+    70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 32,  16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  33,  8,
+    130, 60,  8,   33,  4,   61,  0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,
+    0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,
+    116, 0,   0,   0,   9,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   5,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2darray_ps.h
new file mode 100644
index 0000000000..b36c06adb0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_2darray_ps.h
@@ -0,0 +1,100 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 11 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGB_565_2DArray[] = {
+    68,  88,  66,  67,  44,  2,   174, 208, 118, 237, 233, 207, 57,  29,  178, 223, 138, 140, 88,
+    102, 1,   0,   0,   0,   148, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   24,  3,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  120, 1,   0,   0,   64,  0,
+    0,   0,   94,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   124, 66,  0,   0,   248,
+    65,  0,   0,   0,   0,   64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 32,  16,  0,   0,   0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  33,  8,   130, 60,
+    8,   33,  4,   61,  0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,   11,  0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   5,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_3d_ps.h
new file mode 100644
index 0000000000..8de8d85d37
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgb_565_3d_ps.h
@@ -0,0 +1,93 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGB_565_3D[] = {
+    68,  88, 66,  67,  250, 168, 68,  191, 15,  51,  156, 108, 63,  18,  251, 133, 207, 174, 26,
+    44,  1,  0,   0,   0,   84,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   216, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  64,  1,   0,   0,   64,  0,   0,   0,   80,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 0,   16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    114, 0,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,  0,   248, 65,  0,   0,   124, 66,  0,   0,   248, 65,  0,   0,   0,   0,   64,  0,
+    0,   5,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,
+    0,   0,  10,  114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,
+    2,   64, 0,   0,   8,   33,  4,   61,  33,  8,   130, 60,  8,   33,  4,   61,  0,   0,   0,
+    0,   54, 0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,
+    128, 63, 62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   2,
+    0,   0,  0,   0,   0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,
+    0,   0,  0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2d_ps.h
new file mode 100644
index 0000000000..764b560d78
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2d_ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc o0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_2D[] = {
+    68,  88,  66,  67,  43,  116, 27,  96,  239, 39,  33,  81,  44,  127, 180, 166, 1,  156, 105,
+    167, 1,   0,   0,   0,   192, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   68,  2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,  0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73, 84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83, 71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,  83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  220, 0,   0,  0,   64,
+    0,   0,   0,   55,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,  0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98, 16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,  0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16, 0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,  0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,  0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,  14,  0,
+    0,   7,   226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,  0,   246,
+    15,  16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,   0,  0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70, 2,   16,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,  58,  0,
+    16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,  0,   6,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2darray_ps.h
new file mode 100644
index 0000000000..84cf6ebefa
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_2darray_ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc o0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_2DArray[] = {
+    68,  88,  66,  67,  226, 210, 183, 205, 237, 244, 131, 11,  158, 229, 134, 100, 181, 52,  86,
+    124, 1,   0,   0,   0,   48,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   180, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  20,  1,   0,   0,   64,  0,
+    0,   0,   69,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 32,  16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   58,  0,   16,  0,
+    0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_3d_ps.h
new file mode 100644
index 0000000000..d0725735e4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_3d_ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc o0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mov o0.w, r0.w
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_3D[] = {
+    68,  88, 66,  67,  47,  35,  68,  46,  230, 212, 160, 221, 21,  19,  140, 22,  115, 9,   100,
+    58,  1,  0,   0,   0,   240, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   116, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  220, 0,   0,   0,   64,  0,   0,   0,   55,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 32,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,
+    130, 32, 16,  0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   62,  0,   0,
+    1,   83, 84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,  2,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2d_ps.h
new file mode 100644
index 0000000000..cfa23a7bf9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2d_ps.h
@@ -0,0 +1,88 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_4444_2D[] = {
+    68,  88,  66,  67,  233, 41,  159, 52,  49,  178, 50,  48,  148, 28,  18,  200, 140, 164, 4,
+    13,  1,   0,   0,   0,   16,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   148, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  44,  1,   0,   0,   64,
+    0,   0,   0,   75,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,
+    0,   7,   226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,
+    0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   112, 65,  0,   0,   112, 65,  0,
+    0,   112, 65,  0,   0,   112, 65,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,
+    70,  14,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   137, 136, 136, 61,  137, 136,
+    136, 61,  137, 136, 136, 61,  137, 136, 136, 61,  62,  0,   0,   1,   83,  84,  65,  84,  116,
+    0,   0,   0,   8,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    5,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2darray_ps.h
new file mode 100644
index 0000000000..1a08e60147
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_2darray_ps.h
@@ -0,0 +1,98 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_4444_2DArray[] = {
+    68,  88,  66,  67,  51,  224, 15,  241, 219, 215, 90,  241, 40,  140, 3,   53,  152, 74,  169,
+    200, 1,   0,   0,   0,   128, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   4,   3,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  100, 1,   0,   0,   64,  0,
+    0,   0,   89,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112,
+    65,  0,   0,   112, 65,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   137, 136, 136, 61,  137, 136, 136, 61,
+    137, 136, 136, 61,  137, 136, 136, 61,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,
+    0,   10,  0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   5,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_3d_ps.h
new file mode 100644
index 0000000000..ef493e3f4b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_4444_3d_ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_4444_3D[] = {
+    68,  88, 66,  67,  210, 247, 48,  228, 222, 252, 207, 191, 86,  78,  158, 63,  239, 245, 179,
+    7,   1,  0,   0,   0,   64,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   196, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  44,  1,   0,   0,   64,  0,   0,   0,   75,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 0,   16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,  0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  64,  0,
+    0,   5,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64, 0,   0,   137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136,
+    61,  62, 0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   2,   0,
+    0,   0,  0,   0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2d_ps.h
new file mode 100644
index 0000000000..42829c90c9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2d_ps.h
@@ -0,0 +1,88 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_5551_2D[] = {
+    68,  88,  66,  67,  140, 39,  186, 158, 51,  211, 162, 56,  171, 90,  89,  241, 42,  247, 30,
+    222, 1,   0,   0,   0,   16,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   148, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  44,  1,   0,   0,   64,
+    0,   0,   0,   75,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,
+    0,   7,   226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,
+    0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   248, 65,  0,
+    0,   248, 65,  0,   0,   128, 63,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,
+    70,  14,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  8,   33,
+    4,   61,  8,   33,  4,   61,  0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116,
+    0,   0,   0,   8,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    5,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2darray_ps.h
new file mode 100644
index 0000000000..22389cfa5d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_2darray_ps.h
@@ -0,0 +1,98 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_5551_2DArray[] = {
+    68,  88,  66,  67,  17,  161, 17,  46,  139, 141, 231, 172, 21,  139, 205, 213, 78,  192, 111,
+    150, 1,   0,   0,   0,   128, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   4,   3,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  100, 1,   0,   0,   64,  0,
+    0,   0,   89,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   248,
+    65,  0,   0,   128, 63,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  8,   33,  4,   61,
+    8,   33,  4,   61,  0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,
+    0,   10,  0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   5,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_3d_ps.h
new file mode 100644
index 0000000000..a97e54f1d2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftof_um_rgba_5551_3d_ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoF_UM_RGBA_5551_3D[] = {
+    68,  88, 66,  67,  95,  144, 206, 44,  123, 213, 142, 219, 42,  152, 39,  211, 195, 66,  184,
+    29,  1,  0,   0,   0,   64,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   196, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  44,  1,   0,   0,   64,  0,   0,   0,   75,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 0,   16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,  0,   248, 65,  0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   128, 63,  64,  0,
+    0,   5,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64, 0,   0,   8,   33,  4,   61,  8,   33,  4,   61,  8,   33,  4,   61,  0,   0,   128,
+    63,  62, 0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   2,   0,
+    0,   0,  0,   0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_2darray_ps.h
new file mode 100644
index 0000000000..2921c17e7d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_2darray_ps.h
@@ -0,0 +1,96 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(127.000000, 127.000000, 127.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, l(1.000000, 1.000000, 1.000000, 0.000000)
+ftoi o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PM_RGB_2DArray[] = {
+    68,  88,  66,  67,  214, 86,  133, 76,  36,  73,  187, 120, 120, 177, 199, 23,  161, 34,  44,
+    41,  1,   0,   0,   0,   104, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   236, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  76,  1,   0,   0,   64,  0,
+    0,   0,   83,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   0,   0,   64,  0,
+    0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   0,
+    0,   27,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,
+    0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   1,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   10,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_3d_ps.h
new file mode 100644
index 0000000000..18741678e1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgb_3d_ps.h
@@ -0,0 +1,90 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(127.000000, 127.000000, 127.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, l(1.000000, 1.000000, 1.000000, 0.000000)
+ftoi o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PM_RGB_3D[] = {
+    68,  88, 66,  67,  233, 244, 68,  31,  244, 75,  174, 119, 157, 230, 155, 216, 124, 72,  238,
+    41,  1,  0,   0,   0,   40,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   172, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  20,  1,   0,   0,   64,  0,   0,   0,   69,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  7,   114, 0,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    70,  2,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,
+    0,   70, 2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   254, 66,  0,   0,
+    254, 66, 0,   0,   254, 66,  0,   0,   0,   0,   64,  0,   0,   5,   114, 0,   16,  0,   0,
+    0,   0,  0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,
+    0,   0,  0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   128,
+    63,  0,  0,   128, 63,  0,   0,   128, 63,  0,   0,   0,   0,   27,  0,   0,   5,   114, 32,
+    16,  0,  0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130,
+    32,  16, 0,   0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,
+    83,  84, 65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   2,  0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_2darray_ps.h
new file mode 100644
index 0000000000..f877df2d74
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_2darray_ps.h
@@ -0,0 +1,94 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(127.000000, 127.000000, 127.000000, 127.000000)
+round_ne r0.xyzw, r0.xyzw
+mul r0.xyzw, r0.xyzw, l(1.000000, 1.000000, 1.000000, 1.000000)
+ftoi o0.xyzw, r0.xyzw
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PM_RGBA_2DArray[] = {
+    68,  88,  66,  67,  6,   46,  120, 27,  94,  101, 87,  132, 53,  181, 154, 63,  109, 237, 51,
+    143, 1,   0,   0,   0,   84,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   216, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  56,  1,   0,   0,   64,  0,
+    0,   0,   78,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  64,  0,
+    0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   128,
+    63,  27,  0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_3d_ps.h
new file mode 100644
index 0000000000..e4b96a279b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pm_rgba_3d_ps.h
@@ -0,0 +1,88 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(127.000000, 127.000000, 127.000000, 127.000000)
+round_ne r0.xyzw, r0.xyzw
+mul r0.xyzw, r0.xyzw, l(1.000000, 1.000000, 1.000000, 1.000000)
+ftoi o0.xyzw, r0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PM_RGBA_3D[] = {
+    68,  88, 66,  67,  249, 90,  79,  118, 112, 44,  159, 0,   189, 165, 140, 198, 201, 78,  213,
+    100, 1,  0,   0,   0,   20,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   152, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  0,   1,   0,   0,   64,  0,   0,   0,   64,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  7,   114, 0,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,
+    70,  2,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,
+    0,   70, 14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   254, 66,  0,   0,
+    254, 66, 0,   0,   254, 66,  0,   0,   254, 66,  64,  0,   0,   5,   242, 0,   16,  0,   0,
+    0,   0,  0,   70,  14,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,
+    0,   0,  0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   128,
+    63,  0,  0,   128, 63,  0,   0,   128, 63,  0,   0,   128, 63,  27,  0,   0,   5,   242, 32,
+    16,  0,  0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,
+    84,  65, 84,  116, 0,   0,   0,   7,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,  0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_2darray_ps.h
new file mode 100644
index 0000000000..8970316b3d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_2darray_ps.h
@@ -0,0 +1,94 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(127.000000, 127.000000, 127.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, l(1.000000, 1.000000, 1.000000, 0.000000)
+ftoi o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PT_RGB_2DArray[] = {
+    68,  88,  66,  67,  168, 185, 143, 219, 147, 147, 203, 58,  217, 196, 122, 65,  228, 189, 209,
+    238, 1,   0,   0,   0,   76,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   208, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  48,  1,   0,   0,   64,  0,
+    0,   0,   76,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   254, 66,  0,   0,   254, 66,
+    0,   0,   254, 66,  0,   0,   0,   0,   64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,
+    0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   128, 63,  0,
+    0,   128, 63,  0,   0,   128, 63,  0,   0,   0,   0,   27,  0,   0,   5,   114, 32,  16,  0,
+    0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,
+    0,   0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,
+    65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,
+    0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_3d_ps.h
new file mode 100644
index 0000000000..3f93541ea7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgb_3d_ps.h
@@ -0,0 +1,88 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(127.000000, 127.000000, 127.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, l(1.000000, 1.000000, 1.000000, 0.000000)
+ftoi o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PT_RGB_3D[] = {
+    68,  88, 66,  67,  65,  66,  171, 227, 204, 106, 7,   188, 141, 169, 26,  209, 77, 251, 140,
+    247, 1,  0,   0,   0,   12,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   144, 2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95, 51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76, 83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32, 49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,  0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171,
+    171, 83, 72,  68,  82,  248, 0,   0,   0,   64,  0,   0,   0,   62,  0,   0,   0,  90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16, 0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,  0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,  0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,  2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,  0,   56,
+    0,   0,  10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,
+    2,   64, 0,   0,   0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  0,  0,   0,
+    0,   64, 0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,  0,   0,
+    0,   0,  56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16, 0,   0,
+    0,   0,  0,   2,   64,  0,   0,   0,   0,   128, 63,  0,   0,   128, 63,  0,   0,  128, 63,
+    0,   0,  0,   0,   27,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70, 2,   16,
+    0,   0,  0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,  1,   64,
+    0,   0,  1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,  0,   7,
+    0,   0,  0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,
+    0,   0,  0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_2darray_ps.h
new file mode 100644
index 0000000000..493fc2292b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_2darray_ps.h
@@ -0,0 +1,92 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(127.000000, 127.000000, 127.000000, 127.000000)
+round_ne r0.xyzw, r0.xyzw
+mul r0.xyzw, r0.xyzw, l(1.000000, 1.000000, 1.000000, 1.000000)
+ftoi o0.xyzw, r0.xyzw
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PT_RGBA_2DArray[] = {
+    68,  88,  66,  67,  157, 78,  228, 79,  217, 28,  225, 96,  83,  195, 47,  176, 240, 168, 229,
+    128, 1,   0,   0,   0,   56,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   188, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  28,  1,   0,   0,   64,  0,
+    0,   0,   71,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   254, 66,  0,   0,   254, 66,
+    0,   0,   254, 66,  0,   0,   254, 66,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,
+    0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   128, 63,  0,
+    0,   128, 63,  0,   0,   128, 63,  0,   0,   128, 63,  27,  0,   0,   5,   242, 32,  16,  0,
+    0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,
+    84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_3d_ps.h
new file mode 100644
index 0000000000..c602d2fb2e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_pt_rgba_3d_ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(127.000000, 127.000000, 127.000000, 127.000000)
+round_ne r0.xyzw, r0.xyzw
+mul r0.xyzw, r0.xyzw, l(1.000000, 1.000000, 1.000000, 1.000000)
+ftoi o0.xyzw, r0.xyzw
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_PT_RGBA_3D[] = {
+    68,  88, 66,  67,  73,  236, 106, 44,  249, 119, 115, 91,  94,  156, 145, 139, 146, 47,  33,
+    36,  1,  0,   0,   0,   248, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   124, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  228, 0,   0,   0,   64,  0,   0,   0,   57,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64, 0,   0,   0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254,
+    66,  64, 0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,  56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,
+    0,   0,  0,   2,   64,  0,   0,   0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   128, 63,
+    0,   0,  128, 63,  27,  0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,
+    0,   0,  0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_2darray_ps.h
new file mode 100644
index 0000000000..8335a149c6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_2darray_ps.h
@@ -0,0 +1,102 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(127.000000, 127.000000, 127.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, l(1.000000, 1.000000, 1.000000, 0.000000)
+ftoi o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 12 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_UM_RGB_2DArray[] = {
+    68,  88,  66,  67,  229, 156, 153, 172, 30,  111, 168, 172, 47,  75,  227, 206, 198, 78,  62,
+    42,  1,   0,   0,   0,   168, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   44,  3,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  140, 1,   0,   0,   64,  0,
+    0,   0,   99,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254,
+    66,  0,   0,   0,   0,   64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   128, 63,  0,   0,   128, 63,
+    0,   0,   128, 63,  0,   0,   0,   0,   27,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,
+    0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116,
+    0,   0,   0,   12,  0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    5,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_3d_ps.h
new file mode 100644
index 0000000000..2df877322f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgb_3d_ps.h
@@ -0,0 +1,95 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(127.000000, 127.000000, 127.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, l(1.000000, 1.000000, 1.000000, 0.000000)
+ftoi o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_UM_RGB_3D[] = {
+    68,  88, 66,  67,  23,  5,   101, 80,  190, 217, 192, 233, 141, 228, 109, 126, 239, 211, 129,
+    244, 1,  0,   0,   0,   104, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   236, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  84,  1,   0,   0,   64,  0,   0,   0,   85,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 0,   16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    114, 0,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,  0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   0,   0,   64,  0,
+    0,   5,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,
+    0,   0,  10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,
+    2,   64, 0,   0,   0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   0,
+    0,   27, 0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,
+    0,   0,  54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   1,
+    0,   0,  0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   10,  0,   0,   0,
+    2,   0,  0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    1,   0,  0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_2darray_ps.h
new file mode 100644
index 0000000000..3d4dfa2bb9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_2darray_ps.h
@@ -0,0 +1,100 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(127.000000, 127.000000, 127.000000, 127.000000)
+round_ne r0.xyzw, r0.xyzw
+mul r0.xyzw, r0.xyzw, l(1.000000, 1.000000, 1.000000, 1.000000)
+ftoi o0.xyzw, r0.xyzw
+ret 
+// Approximately 11 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_UM_RGBA_2DArray[] = {
+    68,  88,  66,  67,  131, 143, 223, 155, 139, 202, 127, 87,  193, 203, 100, 239, 91,  19,  167,
+    10,  1,   0,   0,   0,   148, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   24,  3,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  120, 1,   0,   0,   64,  0,
+    0,   0,   94,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254,
+    66,  0,   0,   254, 66,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   128, 63,  0,   0,   128, 63,
+    0,   0,   128, 63,  0,   0,   128, 63,  27,  0,   0,   5,   242, 32,  16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,   11,  0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   5,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_3d_ps.h
new file mode 100644
index 0000000000..89b06059e3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftoi_um_rgba_3d_ps.h
@@ -0,0 +1,93 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(127.000000, 127.000000, 127.000000, 127.000000)
+round_ne r0.xyzw, r0.xyzw
+mul r0.xyzw, r0.xyzw, l(1.000000, 1.000000, 1.000000, 1.000000)
+ftoi o0.xyzw, r0.xyzw
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_FtoI_UM_RGBA_3D[] = {
+    68,  88, 66,  67,  221, 247, 207, 180, 133, 35,  246, 152, 57,  87,  23,  116, 186, 51,  233,
+    199, 1,  0,   0,   0,   84,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   216, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  64,  1,   0,   0,   64,  0,   0,   0,   80,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 0,   16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,  0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  0,   0,   254, 66,  64,  0,
+    0,   5,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64, 0,   0,   0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   128, 63,  0,   0,   128,
+    63,  27, 0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   2,
+    0,   0,  0,   0,   0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,  0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2d_ps.h
new file mode 100644
index 0000000000..29a60b7f93
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2d_ps.h
@@ -0,0 +1,81 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PM_RGB_2D[] = {
+    68,  88,  66,  67,  157, 10,  67,  137, 249, 135, 12,  161, 255, 107, 225, 32, 54, 65,  72,
+    121, 1,   0,   0,   0,   188, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,  212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   64,  2,   0,   0,   82,  68, 69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,  0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,  0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,  0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73, 84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83, 71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,  83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  216, 0,  0,  0,   64,
+    0,   0,   0,   54,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,  0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98, 16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16, 0,  0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,  16, 0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,  0,  0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,  0,  0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,  0,  56,  0,
+    0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,  0,   2,
+    64,  0,   0,   0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  0,  0,  0,   0,
+    28,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,  0,  0,   0,
+    0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,  0,  1,   0,
+    0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,  0,  0,   1,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,  0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2darray_ps.h
new file mode 100644
index 0000000000..f5937d6336
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_2darray_ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PM_RGB_2DArray[] = {
+    68,  88,  66,  67,  42,  230, 32,  82,  5,   44,  80,  225, 105, 151, 142, 19,  19,  183, 76,
+    193, 1,   0,   0,   0,   44,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   176, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  16,  1,   0,   0,   64,  0,
+    0,   0,   68,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   0,   0,   28,  0,
+    0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_3d_ps.h
new file mode 100644
index 0000000000..1e074f9236
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgb_3d_ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PM_RGB_3D[] = {
+    68,  88,  66,  67,  181, 194, 196, 252, 71,  44,  79,  110, 172, 188, 24,  27,  37, 220, 16,
+    181, 1,   0,   0,   0,   236, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   112, 2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95, 51,  68,
+    0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76, 83,  76,
+    32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32, 49,  48,
+    46,  49,  0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171,
+    171, 83,  72,  68,  82,  216, 0,   0,   0,   64,  0,   0,   0,   54,  0,   0,   0,  90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16, 0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,  0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,  0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,  2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,  0,   56,
+    0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,  0,   0,
+    70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,  0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67, 0,   0,
+    127, 67,  0,   0,   127, 67,  0,   0,   0,   0,   28,  0,   0,   5,   114, 32,  16, 0,   0,
+    0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32, 16,  0,
+    0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83, 84,  65,
+    84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  2,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2d_ps.h
new file mode 100644
index 0000000000..f33e4d5bac
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2d_ps.h
@@ -0,0 +1,79 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PM_RGBA_2D[] = {
+    68,  88,  66,  67,  40,  207, 117, 251, 196, 95,  200, 222, 47,  24,  239, 143, 252, 25,  140,
+    25,  1,   0,   0,   0,   168, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   44,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  196, 0,   0,   0,   64,
+    0,   0,   0,   49,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,
+    0,   246, 15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,
+    0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,
+    64,  0,   0,   0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,
+    28,  0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,
+    0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2darray_ps.h
new file mode 100644
index 0000000000..42ceb4a597
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_2darray_ps.h
@@ -0,0 +1,89 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PM_RGBA_2DArray[] = {
+    68,  88,  66,  67,  72,  177, 176, 126, 150, 61,  34,  127, 37,  128, 200, 148, 82,  84,  84,
+    63,  1,   0,   0,   0,   24,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   156, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  252, 0,   0,   0,   64,  0,
+    0,   0,   63,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,   0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  28,  0,
+    0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_3d_ps.h
new file mode 100644
index 0000000000..1e91151b5a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pm_rgba_3d_ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.wwww, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PM_RGBA_3D[] = {
+    68,  88, 66,  67,  108, 177, 182, 169, 224, 190, 112, 68,  155, 228, 67,  226, 65, 238, 217,
+    116, 1,  0,   0,   0,   216, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   92,  2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95, 51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76, 83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32, 49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171,
+    171, 83, 72,  68,  82,  196, 0,   0,   0,   64,  0,   0,   0,   49,  0,   0,   0,  90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16, 0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,  0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,  0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,  2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,  0,   56,
+    0,   0,  7,   114, 0,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,  0,   0,
+    70,  2,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,  0,   0,
+    0,   70, 14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67, 0,   0,
+    127, 67, 0,   0,   127, 67,  0,   0,   127, 67,  28,  0,   0,   5,   242, 32,  16, 0,   0,
+    0,   0,  0,   70,  14,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84, 65,  84,
+    116, 0,  0,   0,   5,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,  0,   0,
+    0,   2,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,  0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2d_ps.h
new file mode 100644
index 0000000000..c74a48f769
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2d_ps.h
@@ -0,0 +1,79 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PT_RGB_2D[] = {
+    68,  88,  66,  67,  21,  43,  226, 215, 164, 244, 10,  22,  123, 34,  48,  235, 95, 92,  229,
+    201, 1,   0,   0,   0,   160, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   36,  2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,  0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73, 84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83, 71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,  83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  188, 0,   0,  0,   64,
+    0,   0,   0,   47,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,  0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98, 16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,  0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16, 0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,  0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,  0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67, 0,   0,
+    127, 67,  0,   0,   127, 67,  0,   0,   0,   0,   28,  0,   0,   5,   114, 32,  16, 0,   0,
+    0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32, 16,  0,
+    0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83, 84,  65,
+    84,  116, 0,   0,   0,   5,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  2,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2darray_ps.h
new file mode 100644
index 0000000000..dd66bae38b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_2darray_ps.h
@@ -0,0 +1,89 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PT_RGB_2DArray[] = {
+    68,  88,  66,  67,  135, 27,  134, 107, 134, 245, 87,  208, 181, 1,   171, 9,   139, 65,  67,
+    42,  1,   0,   0,   0,   16,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   148, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  244, 0,   0,   0,   64,  0,
+    0,   0,   61,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67,  0,   0,   127, 67,
+    0,   0,   127, 67,  0,   0,   0,   0,   28,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,
+    0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116,
+    0,   0,   0,   7,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_3d_ps.h
new file mode 100644
index 0000000000..cedb2554e8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgb_3d_ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PT_RGB_3D[] = {
+    68,  88,  66,  67,  198, 108, 113, 77,  139, 67, 45, 18, 83,  139, 168, 237, 165, 209, 182, 76,
+    1,   0,   0,   0,   208, 2,   0,   0,   5,   0,  0,  0,  52,  0,   0,   0,   212, 0,   0,   0,
+    92,  1,   0,   0,   144, 1,   0,   0,   84,  2,  0,  0,  82,  68,  69,  70,  152, 0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   2,   0,  0,  0,  28,  0,   0,   0,   0,   4,   255, 255,
+    0,   1,   0,   0,   112, 0,   0,   0,   92,  0,  0,  0,  3,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  1,   0,   0,   0,   1,   0,   0,   0,
+    100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,  0,  8,   0,   0,   0,   255, 255, 255, 255,
+    0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,  0,  83,  97,  109, 112, 108, 101, 114, 0,
+    84,  101, 120, 116, 117, 114, 101, 70,  95,  51, 68, 0,  77,  105, 99,  114, 111, 115, 111, 102,
+    116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32, 83, 104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49, 0,  73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,  0,  0,  0,   0,   0,   0,   1,   0,   0,   0,
+    3,   0,   0,   0,   0,   0,   0,   0,   15,  0,  0,  0,  92,  0,   0,   0,   0,   0,   0,   0,
+    4,   0,   0,   0,   1,   0,   0,   0,   1,   0,  0,  0,  1,   0,   0,   0,   118, 0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   3,   0,  0,  0,  2,   0,   0,   0,   7,   7,   0,   0,
+    83,  86,  95,  80,  79,  83,  73,  84,  73,  79, 78, 0,  83,  86,  95,  82,  69,  78,  68,  69,
+    82,  84,  65,  82,  71,  69,  84,  65,  82,  82, 65, 89, 73,  78,  68,  69,  88,  0,   84,  69,
+    88,  67,  79,  79,  82,  68,  0,   171, 79,  83, 71, 78, 44,  0,   0,   0,   1,   0,   0,   0,
+    8,   0,   0,   0,   32,  0,   0,   0,   0,   0,  0,  0,  0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86, 95, 84, 65,  82,  71,  69,  84,  0,   171, 171,
+    83,  72,  68,  82,  188, 0,   0,   0,   64,  0,  0,  0,  47,  0,   0,   0,   90,  0,   0,   3,
+    0,   96,  16,  0,   0,   0,   0,   0,   88,  40, 0,  4,  0,   112, 16,  0,   0,   0,   0,   0,
+    85,  85,  0,   0,   98,  16,  0,   3,   114, 16, 16, 0,  2,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   0,   0,   0,   0,   104, 0,  0,  2,  1,   0,   0,   0,   69,  0,   0,   9,
+    242, 0,   16,  0,   0,   0,   0,   0,   70,  18, 16, 0,  2,   0,   0,   0,   70,  126, 16,  0,
+    0,   0,   0,   0,   0,   96,  16,  0,   0,   0,  0,  0,  56,  0,   0,   10,  114, 0,   16,  0,
+    0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,  0,  2,   64,  0,   0,   0,   0,   127, 67,
+    0,   0,   127, 67,  0,   0,   127, 67,  0,   0,  0,  0,  28,  0,   0,   5,   114, 32,  16,  0,
+    0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,  0,  54,  0,   0,   5,   130, 32,  16,  0,
+    0,   0,   0,   0,   1,   64,  0,   0,   1,   0,  0,  0,  62,  0,   0,   1,   83,  84,  65,  84,
+    116, 0,   0,   0,   5,   0,   0,   0,   1,   0,  0,  0,  0,   0,   0,   0,   2,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2d_ps.h
new file mode 100644
index 0000000000..22bce837e4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2d_ps.h
@@ -0,0 +1,77 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PT_RGBA_2D[] = {
+    68,  88,  66,  67,  15,  203, 215, 26,  226, 132, 179, 250, 218, 76,  219, 205, 201, 184, 211,
+    22,  1,   0,   0,   0,   140, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   16,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  168, 0,   0,   0,   64,
+    0,   0,   0,   42,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,
+    0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67,  0,   0,
+    127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  28,  0,   0,   5,   242, 32,  16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,
+    116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2darray_ps.h
new file mode 100644
index 0000000000..3fffb1c2d3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_2darray_ps.h
@@ -0,0 +1,87 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PT_RGBA_2DArray[] = {
+    68,  88,  66,  67,  141, 122, 224, 133, 227, 61,  69,  44,  172, 221, 157, 131, 76,  235, 81,
+    130, 1,   0,   0,   0,   252, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   128, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  224, 0,   0,   0,   64,  0,
+    0,   0,   56,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67,  0,   0,   127, 67,
+    0,   0,   127, 67,  0,   0,   127, 67,  28,  0,   0,   5,   242, 32,  16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,
+    0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_3d_ps.h
new file mode 100644
index 0000000000..bd50542b5d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_pt_rgba_3d_ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_PT_RGBA_3D[] = {
+    68,  88, 66,  67,  60,  29,  156, 198, 163, 110, 141, 222, 219, 229, 175, 1,   103, 9,   217,
+    156, 1,  0,   0,   0,   188, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   64,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  168, 0,   0,   0,   64,  0,   0,   0,   42,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,  10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64, 0,   0,   0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127,
+    67,  28, 0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,
+    0,   0,  0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2d_ps.h
new file mode 100644
index 0000000000..25149b232d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2d_ps.h
@@ -0,0 +1,87 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_UM_RGB_2D[] = {
+    68,  88,  66,  67,  104, 222, 184, 218, 135, 243, 133, 232, 177, 236, 20,  60, 64,  9,   17,
+    90,  1,   0,   0,   0,   252, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   128, 2,   0,   0,   82,  68, 69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  24,  1,  0,   0,   64,
+    0,   0,   0,   70,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16, 0,   0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,  16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,  1,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,  0,   14,  0,
+    0,   7,   226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,  0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,  0,   0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,  70,  2,   16,
+    0,   0,   0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,  0,   70,  2,
+    16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67,  0,   0,  127, 67,  0,
+    0,   127, 67,  0,   0,   0,   0,   28,  0,   0,   5,   114, 32,  16,  0,   0,  0,   0,   0,
+    70,  2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,  0,   0,   0,
+    0,   1,   64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65, 84,  116, 0,
+    0,   0,   8,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,  0,   0,   3,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2darray_ps.h
new file mode 100644
index 0000000000..8b8d1d3b7f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_2darray_ps.h
@@ -0,0 +1,97 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_UM_RGB_2DArray[] = {
+    68,  88,  66,  67,  211, 11,  247, 147, 13,  61,  188, 52,  49,  20,  122, 213, 216, 130, 203,
+    211, 1,   0,   0,   0,   108, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   240, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  80,  1,   0,   0,   64,  0,
+    0,   0,   84,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127,
+    67,  0,   0,   0,   0,   28,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,
+    16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,
+    64,  0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,
+    10,  0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_3d_ps.h
new file mode 100644
index 0000000000..f7746e87ee
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgb_3d_ps.h
@@ -0,0 +1,90 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyz, r0.xyzx, l(255.000000, 255.000000, 255.000000, 0.000000)
+ftou o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_UM_RGB_3D[] = {
+    68,  88, 66,  67,  211, 77,  171, 115, 172, 101, 224, 185, 62,  127, 82,  90,  150, 163, 227,
+    209, 1,  0,   0,   0,   44,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   176, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  24,  1,   0,   0,   64,  0,   0,   0,   70,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 0,   16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    114, 0,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,  0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   0,   0,   28,  0,
+    0,   5,  114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,  5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,   0,
+    62,  0,  0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   2,   0,   0,
+    0,   0,  0,   0,   0,   2,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,
+    0,   1,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2d_ps.h
new file mode 100644
index 0000000000..71530637ef
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2d_ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_UM_RGBA_2D[] = {
+    68,  88,  66,  67,  79,  47,  172, 229, 63,  231, 120, 201, 52,  133, 90,  84, 23,  233, 153,
+    100, 1,   0,   0,   0,   232, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   108, 2,   0,   0,   82,  68, 69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,
+    95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  4,   1,  0,   0,   64,
+    0,   0,   0,   65,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,   0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98,  16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16, 0,   0,   0,
+    0,   0,   104, 0,   0,   2,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,  16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,
+    0,   96,  16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,  1,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,  0,   14,  0,
+    0,   7,   226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,  0,   0,   246,
+    15,  16,  0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,  0,   0,   0,
+    6,   0,   16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,  70,  2,   16,
+    0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,  0,   70,  14,
+    16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67,  0,   0,  127, 67,  0,
+    0,   127, 67,  0,   0,   127, 67,  28,  0,   0,   5,   242, 32,  16,  0,   0,  0,   0,   0,
+    70,  14,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84, 116, 0,   0,
+    0,   7,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,  0,   3,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2darray_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2darray_ps.h
new file mode 100644
index 0000000000..5d75b8df6d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_2darray_ps.h
@@ -0,0 +1,95 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_2DArray                  texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 2
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_UM_RGBA_2DArray[] = {
+    68,  88,  66,  67,  237, 98,  226, 3,   103, 212, 163, 240, 153, 59,  189, 19,  100, 209, 34,
+    202, 1,   0,   0,   0,   88,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   220, 0,
+    0,   0,   100, 1,   0,   0,   152, 1,   0,   0,   220, 2,   0,   0,   82,  68,  69,  70,  160,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   117, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  50,  68,
+    65,  114, 114, 97,  121, 0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,
+    3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,
+    0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,
+    7,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,
+    82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,
+    68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  60,  1,   0,   0,   64,  0,
+    0,   0,   79,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,
+    64,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,
+    18,  16,  16,  0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   2,   0,   0,   0,   86,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,
+    16,  0,   0,   0,   0,   0,   49,  0,   0,   7,   18,  0,   16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   14,  0,   0,   7,
+    226, 0,   16,  0,   1,   0,   0,   0,   6,   9,   16,  0,   0,   0,   0,   0,   246, 15,  16,
+    0,   0,   0,   0,   0,   55,  0,   0,   9,   114, 0,   16,  0,   0,   0,   0,   0,   6,   0,
+    16,  0,   1,   0,   0,   0,   150, 7,   16,  0,   1,   0,   0,   0,   70,  2,   16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127,
+    67,  0,   0,   127, 67,  28,  0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   9,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   1,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_3d_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_3d_ps.h
new file mode 100644
index 0000000000..7d98511943
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/multiplyalpha_ftou_um_rgba_3d_ps.h
@@ -0,0 +1,88 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF_3D                       texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 2
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+lt r1.x, l(0.000000), r0.w
+div r1.yzw, r0.xxyz, r0.wwww
+movc r0.xyz, r1.xxxx, r1.yzwy, r0.xyzx
+mul r0.xyzw, r0.xyzw, l(255.000000, 255.000000, 255.000000, 255.000000)
+ftou o0.xyzw, r0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_FtoU_UM_RGBA_3D[] = {
+    68,  88, 66,  67,  9,   246, 142, 132, 23,  145, 144, 223, 33,  247, 146, 14,  116, 28,  69,
+    175, 1,  0,   0,   0,   24,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,  92,  1,   0,   0,   144, 1,   0,   0,   156, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,  255, 255, 0,   1,   0,   0,   112, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,  0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97, 109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  51,  68,
+    0,   77, 105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83, 104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,
+    46,  49, 0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15, 0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,  1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83, 73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71, 69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79, 82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,  0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,  0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83, 72,  68,  82,  4,   1,   0,   0,   64,  0,   0,   0,   65,  0,   0,   0,   90,  0,
+    0,   3,  0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,  0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,  0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   2,   0,   0,
+    0,   69, 0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,  70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   49,
+    0,   0,  7,   18,  0,   16,  0,   1,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    58,  0,  16,  0,   0,   0,   0,   0,   14,  0,   0,   7,   226, 0,   16,  0,   1,   0,   0,
+    0,   6,  9,   16,  0,   0,   0,   0,   0,   246, 15,  16,  0,   0,   0,   0,   0,   55,  0,
+    0,   9,  114, 0,   16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   1,   0,   0,   0,   150,
+    7,   16, 0,   1,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   10,
+    242, 0,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,   64,  0,
+    0,   0,  0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  0,   0,   127, 67,  28,  0,
+    0,   5,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   62,
+    0,   0,  1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,  0,   0,   2,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    1,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough2d11vs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough2d11vs.h
new file mode 100644
index 0000000000..fdeae67ad9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough2d11vs.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// POSITION                 0   xy          0     NONE   float   xy  
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float   xyzw
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Runtime generated constant mappings:
+//
+// Target Reg                               Constant Description
+// ---------- --------------------------------------------------
+// c0                              Vertex Shader position offset
+//
+//
+// Level9 shader bytecode:
+//
+    vs_2_x
+    def c1, 0, 1, 0, 0
+    dcl_texcoord v0
+    dcl_texcoord1 v1
+    add oPos.xy, v0, c0
+    mov oPos.zw, c1.xyxy
+    mov oT0.xy, v1
+
+// approximately 3 instruction slots used
+vs_4_0
+dcl_input v0.xy
+dcl_input v1.xy
+dcl_output_siv o0.xyzw, position
+dcl_output o1.xy
+mov o0.xy, v0.xyxx
+mov o0.zw, l(0,0,0,1.000000)
+mov o1.xy, v1.xyxx
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_VS_Passthrough2D[] = {
+    68,  88,  66,  67,  157, 119, 222, 216, 39,  186, 195, 24,  174, 138, 22,  73,  223, 185, 107,
+    36,  1,   0,   0,   0,   204, 2,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   200, 0,
+    0,   0,   88,  1,   0,   0,   212, 1,   0,   0,   32,  2,   0,   0,   116, 2,   0,   0,   65,
+    111, 110, 57,  136, 0,   0,   0,   136, 0,   0,   0,   0,   2,   254, 255, 96,  0,   0,   0,
+    40,  0,   0,   0,   0,   0,   36,  0,   0,   0,   36,  0,   0,   0,   36,  0,   0,   0,   36,
+    0,   1,   0,   36,  0,   0,   0,   0,   0,   1,   2,   254, 255, 81,  0,   0,   5,   1,   0,
+    15,  160, 0,   0,   0,   0,   0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   31,
+    0,   0,   2,   5,   0,   0,   128, 0,   0,   15,  144, 31,  0,   0,   2,   5,   0,   1,   128,
+    1,   0,   15,  144, 2,   0,   0,   3,   0,   0,   3,   192, 0,   0,   228, 144, 0,   0,   228,
+    160, 1,   0,   0,   2,   0,   0,   12,  192, 1,   0,   68,  160, 1,   0,   0,   2,   0,   0,
+    3,   224, 1,   0,   228, 144, 255, 255, 0,   0,   83,  72,  68,  82,  136, 0,   0,   0,   64,
+    0,   1,   0,   34,  0,   0,   0,   95,  0,   0,   3,   50,  16,  16,  0,   0,   0,   0,   0,
+    95,  0,   0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   103, 0,   0,   4,   242, 32,  16,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   101, 0,   0,   3,   50,  32,  16,  0,   1,   0,
+    0,   0,   54,  0,   0,   5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   0,
+    0,   0,   0,   54,  0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  54,  0,   0,
+    5,   50,  32,  16,  0,   1,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   62,  0,
+    0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   82,  68,  69,  70,  68,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   28,  0,   0,   0,   0,   4,
+    254, 255, 0,   1,   0,   0,   28,  0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116,
+    32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111,
+    109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  76,  0,   0,
+    0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   3,   0,   0,   65,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,   0,   0,
+    80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171,
+    171, 79,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   12,  0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11gs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11gs.h
new file mode 100644
index 0000000000..23fc7f99ea
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11gs.h
@@ -0,0 +1,93 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float   xyzw
+// LAYER                    0   x           1     NONE    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float   xyzw
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+gs_4_0
+dcl_input_siv v[3][0].xyzw, position
+dcl_input v[3][1].x
+dcl_input v[3][2].xyz
+dcl_temps 1
+dcl_inputprimitive triangle 
+dcl_outputtopology trianglestrip 
+dcl_output_siv o0.xyzw, position
+dcl_output_siv o1.x, rendertarget_array_index
+dcl_output o2.xyz
+dcl_maxout 3
+mov r0.x, l(0)
+loop 
+  ige r0.y, r0.x, l(3)
+  breakc_nz r0.y
+  mov o0.xyzw, v[r0.x + 0][0].xyzw
+  mov o1.x, v[r0.x + 0][1].x
+  mov o2.xyz, v[r0.x + 0][2].xyzx
+  emit 
+  iadd r0.x, r0.x, l(1)
+endloop 
+ret 
+// Approximately 11 instruction slots used
+#endif
+
+const BYTE g_GS_Passthrough3D[] = {
+    68,  88,  66,  67,  226, 188, 145, 36,  193, 19, 254, 1,   249, 51,  174, 53,  33,  65,  233,
+    89,  1,   0,   0,   0,   60,  3,   0,   0,   5,  0,   0,   0,   52,  0,   0,   0,   128, 0,
+    0,   0,   244, 0,   0,   0,   124, 1,   0,   0,  192, 2,   0,   0,   82,  68,  69,  70,  68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   83,  71,  0,   1,   0,   0,   28,  0,  0,   0,   77,  105, 99,  114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76,  32,  83,  104, 97,  100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48,  46,  49,  0,   73,  83,  71,  78,  108,
+    0,   0,   0,   3,   0,   0,   0,   8,   0,   0,  0,   80,  0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   3,   0,   0,   0,   0,   0,  0,   0,   15,  15,  0,   0,   92,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   1,   0,   0,   0,   1,   1,
+    0,   0,   98,  0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   3,   0,   0,   0,   2,
+    0,   0,   0,   7,   7,   0,   0,   83,  86,  95, 80,  79,  83,  73,  84,  73,  79,  78,  0,
+    76,  65,  89,  69,  82,  0,   84,  69,  88,  67, 79,  79,  82,  68,  0,   171, 79,  83,  71,
+    78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,   0,   80,  0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,  0,   0,   0,   92,
+    0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,   0,   0,   0,   1,   0,   0,   0,
+    1,   14,  0,   0,   118, 0,   0,   0,   0,   0,  0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   2,   0,   0,   0,   7,   8,   0,   0,   83, 86,  95,  80,  79,  83,  73,  84,  73,  79,
+    78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84,  65,  82,  71,  69,  84,  65,  82,
+    82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88,  67,  79,  79,  82,  68,  0,   171,
+    83,  72,  68,  82,  60,  1,   0,   0,   64,  0,  2,   0,   79,  0,   0,   0,   97,  0,   0,
+    5,   242, 16,  32,  0,   3,   0,   0,   0,   0,  0,   0,   0,   1,   0,   0,   0,   95,  0,
+    0,   4,   18,  16,  32,  0,   3,   0,   0,   0,  1,   0,   0,   0,   95,  0,   0,   4,   114,
+    16,  32,  0,   3,   0,   0,   0,   2,   0,   0,  0,   104, 0,   0,   2,   1,   0,   0,   0,
+    93,  24,  0,   1,   92,  40,  0,   1,   103, 0,  0,   4,   242, 32,  16,  0,   0,   0,   0,
+    0,   1,   0,   0,   0,   103, 0,   0,   4,   18, 32,  16,  0,   1,   0,   0,   0,   4,   0,
+    0,   0,   101, 0,   0,   3,   114, 32,  16,  0,  2,   0,   0,   0,   94,  0,   0,   2,   3,
+    0,   0,   0,   54,  0,   0,   5,   18,  0,   16, 0,   0,   0,   0,   0,   1,   64,  0,   0,
+    0,   0,   0,   0,   48,  0,   0,   1,   33,  0,  0,   7,   34,  0,   16,  0,   0,   0,   0,
+    0,   10,  0,   16,  0,   0,   0,   0,   0,   1,  64,  0,   0,   3,   0,   0,   0,   3,   0,
+    4,   3,   26,  0,   16,  0,   0,   0,   0,   0,  54,  0,   0,   7,   242, 32,  16,  0,   0,
+    0,   0,   0,   70,  30,  160, 0,   10,  0,   16, 0,   0,   0,   0,   0,   0,   0,   0,   0,
+    54,  0,   0,   7,   18,  32,  16,  0,   1,   0,  0,   0,   10,  16,  160, 0,   10,  0,   16,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   54, 0,   0,   7,   114, 32,  16,  0,   2,   0,
+    0,   0,   70,  18,  160, 0,   10,  0,   16,  0,  0,   0,   0,   0,   2,   0,   0,   0,   19,
+    0,   0,   1,   30,  0,   0,   7,   18,  0,   16, 0,   0,   0,   0,   0,   10,  0,   16,  0,
+    0,   0,   0,   0,   1,   64,  0,   0,   1,   0,  0,   0,   22,  0,   0,   1,   62,  0,   0,
+    1,   83,  84,  65,  84,  116, 0,   0,   0,   11, 0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   6,   0,   0,   0,   0,   0,   0,   0,  2,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   3,   0,   0,   0,  5,   0,   0,   0,   3,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11vs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11vs.h
new file mode 100644
index 0000000000..3c833f79a8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrough3d11vs.h
@@ -0,0 +1,75 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// POSITION                 0   xy          0     NONE   float   xy  
+// LAYER                    0   x           1     NONE    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float   xyzw
+// LAYER                    0   x           1     NONE    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+vs_4_0
+dcl_input v0.xy
+dcl_input v1.x
+dcl_input v2.xyz
+dcl_output_siv o0.xyzw, position
+dcl_output o1.x
+dcl_output o2.xyz
+mov o0.xy, v0.xyxx
+mov o0.zw, l(0,0,0,1.000000)
+mov o1.x, v1.x
+mov o2.xyz, v2.xyzx
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_VS_Passthrough3D[] = {
+    68,  88,  66,  67,  136, 150, 103, 162, 167, 195, 182, 112, 150, 17,  18, 65,  73,  164, 12,
+    142, 1,   0,   0,   0,   156, 2,   0,   0,   5,   0,   0,   0,   52,  0,  0,   0,   128, 0,
+    0,   0,   240, 0,   0,   0,   100, 1,   0,   0,   32,  2,   0,   0,   82, 68,  69,  70,  68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  28,  0,   0,   0,
+    0,   4,   254, 255, 0,   1,   0,   0,   28,  0,   0,   0,   77,  105, 99, 114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97, 100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73, 83,  71,  78,  104,
+    0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   3,   0,  0,   89,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,  0,   0,   1,   1,
+    0,   0,   95,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,  0,   0,   0,   2,
+    0,   0,   0,   7,   7,   0,   0,   80,  79,  83,  73,  84,  73,  79,  78, 0,   76,  65,  89,
+    69,  82,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   79,  83,  71, 78,  108, 0,   0,
+    0,   3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,   0,   0,   0,  0,   0,   1,   0,
+    0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   92, 0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,  1,   14,  0,   0,
+    98,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,  0,   2,   0,   0,
+    0,   7,   8,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79, 78,  0,   76,  65,
+    89,  69,  82,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 83, 72,  68,  82,  180,
+    0,   0,   0,   64,  0,   1,   0,   45,  0,   0,   0,   95,  0,   0,   3,  50,  16,  16,  0,
+    0,   0,   0,   0,   95,  0,   0,   3,   18,  16,  16,  0,   1,   0,   0,  0,   95,  0,   0,
+    3,   114, 16,  16,  0,   2,   0,   0,   0,   103, 0,   0,   4,   242, 32, 16,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   101, 0,   0,   3,   18,  32,  16,  0,   1,  0,   0,   0,   101,
+    0,   0,   3,   114, 32,  16,  0,   2,   0,   0,   0,   54,  0,   0,   5,  50,  32,  16,  0,
+    0,   0,   0,   0,   70,  16,  16,  0,   0,   0,   0,   0,   54,  0,   0,  8,   194, 32,  16,
+    0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   128, 63,  54,  0,   0,   5,   18,  32,  16,  0,   1,  0,   0,   0,   10,
+    16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,   114, 32,  16,  0,  2,   0,   0,   0,
+    70,  18,  16,  0,   2,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65, 84,  116, 0,   0,
+    0,   5,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrougha2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrougha2d11ps.h
new file mode 100644
index 0000000000..a338628659
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthrougha2d11ps.h
@@ -0,0 +1,103 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 0, 1, 0, 0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mul r0, r0.w, c0.xxxy
+    mov oC0, r0
+
+// approximately 3 instruction slots used (1 texture, 2 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov o0.w, r0.w
+mov o0.xyz, l(0,0,0,0)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughA2D[] = {
+    68,  88,  66,  67,  194, 169, 124, 165, 14,  7,   97,  151, 180, 238, 123, 252, 63,  248, 162,
+    165, 1,   0,   0,   0,   28,  3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   204, 0,
+    0,   0,   116, 1,   0,   0,   240, 1,   0,   0,   144, 2,   0,   0,   232, 2,   0,   0,   65,
+    111, 110, 57,  140, 0,   0,   0,   140, 0,   0,   0,   0,   2,   255, 255, 100, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   0,   0,   0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 5,   0,   0,   3,   0,   0,   15,  128, 0,   0,   255, 128, 0,   0,   64,  160, 1,   0,
+    0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255, 0,   0,   83,  72,  68,  82,  160,
+    0,   0,   0,   64,  0,   0,   0,   40,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,
+    0,   0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,
+    0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,
+    16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,
+    0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,
+    0,   0,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   8,   114, 32,
+    16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,
+    4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   82,  68,  69,  70,  152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,
+    0,   0,   0,   28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,
+    92,  0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,
+    0,   0,   5,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,
+    0,   0,   0,   13,  0,   0,   0,   83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116,
+    117, 114, 101, 70,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,
+    72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101,
+    114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,
+    0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,
+    95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,
+    171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,
+    32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughdepth2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughdepth2d11ps.h
new file mode 100644
index 0000000000..e8790cade6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughdepth2d11ps.h
@@ -0,0 +1,73 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_DEPTH                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output oDepth
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov oDepth, r0.x
+ret 
+// Approximately 3 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughDepth2D[] = {
+    68,  88,  66,  67,  215, 216, 149, 20,  177, 67,  115, 222, 9,   179, 226, 21, 58, 197, 172,
+    136, 1,   0,   0,   0,   92,  2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,  212, 0,
+    0,   0,   44,  1,   0,   0,   96,  1,   0,   0,   224, 1,   0,   0,   82,  68, 69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28, 0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,  3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,  0,  0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13, 0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70, 0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,  0,   0,
+    56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,  0,   0,
+    0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  3,   0,
+    0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73, 84,  73,
+    79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83, 71,  78,
+    44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   255, 255, 255, 255, 1,   14,  0,  0,  83,  86,
+    95,  68,  69,  80,  84,  72,  0,   171, 171, 171, 83,  72,  68,  82,  120, 0,  0,  0,   64,
+    0,   0,   0,   30,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,  0,  0,   0,
+    88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,  98, 16,  0,
+    3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   2,   1,   192, 0,  0,  104, 0,
+    0,   2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,  0,  0,   70,
+    16,  16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,  96, 16,  0,
+    0,   0,   0,   0,   54,  0,   0,   4,   1,   192, 0,   0,   10,  0,   16,  0,  0,  0,   0,
+    0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   3,   0,   0,  0,  1,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2d11ps.h
new file mode 100644
index 0000000000..c8a472e9b6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2d11ps.h
@@ -0,0 +1,103 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 1, 0, 0, 0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mad r0, r0.x, c0.xxxy, c0.yyyx
+    mov oC0, r0
+
+// approximately 3 instruction slots used (1 texture, 2 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov o0.xyz, r0.xxxx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughLum2D[] = {
+    68,  88,  66,  67,  241, 199, 66,  51,  118, 205, 236, 165, 244, 231, 234, 126, 203, 25,  231,
+    134, 1,   0,   0,   0,   20,  3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   208, 0,
+    0,   0,   108, 1,   0,   0,   232, 1,   0,   0,   136, 2,   0,   0,   224, 2,   0,   0,   65,
+    111, 110, 57,  144, 0,   0,   0,   144, 0,   0,   0,   0,   2,   255, 255, 104, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   0,   128, 0,   0,   64,  160, 0,   0,
+    21,  160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255, 0,   0,   83,
+    72,  68,  82,  148, 0,   0,   0,   64,  0,   0,   0,   37,  0,   0,   0,   90,  0,   0,   3,
+    0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,
+    0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,
+    0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,
+    0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,
+    70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,   0,
+    5,   114, 32,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   82,  68,  69,  70,  152, 0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,   0,
+    4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,   0,
+    0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,   83,
+    97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171,
+    171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,
+    15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,
+    78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2darray11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2darray11ps.h
new file mode 100644
index 0000000000..4741497d93
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum2darray11ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mov o0.xyz, r0.xxxx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughLum2DArray[] = {
+    68,  88,  66,  67,  84,  131, 205, 28,  3,   168, 120, 6,   89,  75,  169, 140, 154, 126, 61,
+    31,  1,   0,   0,   0,   224, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   100, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  204, 0,   0,   0,   64,  0,   0,   0,   51,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum3d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum3d11ps.h
new file mode 100644
index 0000000000..5c9ffc039a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlum3d11ps.h
@@ -0,0 +1,79 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mov o0.xyz, r0.xxxx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughLum3D[] = {
+    68,  88,  66,  67,  15,  80,  145, 76,  93,  127, 194, 208, 106, 29,  26,  87,  147, 62,  128,
+    143, 1,   0,   0,   0,   168, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   44,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  148, 0,   0,   0,   64,  0,   0,   0,   37,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,
+    0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   6,   0,   16,  0,   0,   0,   0,   0,
+    54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128,
+    63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2d11ps.h
new file mode 100644
index 0000000000..6229e57ea2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2d11ps.h
@@ -0,0 +1,98 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mov r0, r0.xxxw
+    mov oC0, r0
+
+// approximately 3 instruction slots used (1 texture, 2 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov o0.xyzw, r0.xxxw
+ret 
+// Approximately 3 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughLumAlpha2D[] = {
+    68,  88,  66,  67,  19,  109, 76,  235, 225, 193, 54,  241, 78,  207, 77,  62,  148, 127, 172,
+    73,  1,   0,   0,   0,   224, 2,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   176, 0,
+    0,   0,   56,  1,   0,   0,   180, 1,   0,   0,   84,  2,   0,   0,   172, 2,   0,   0,   65,
+    111, 110, 57,  112, 0,   0,   0,   112, 0,   0,   0,   0,   2,   255, 255, 72,  0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 31,  0,   0,   2,   0,   0,
+    0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144, 0,   8,   15,  160, 66,
+    0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228, 160, 1,   0,   0,   2,
+    0,   0,   15,  128, 0,   0,   192, 128, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228,
+    128, 255, 255, 0,   0,   83,  72,  68,  82,  128, 0,   0,   0,   64,  0,   0,   0,   32,  0,
+    0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,
+    112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,
+    1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,
+    2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,
+    16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,
+    0,   0,   0,   54,  0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   6,   12,  16,  0,
+    0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   3,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   82,
+    68,  69,  70,  152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,
+    0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,
+    13,  0,   0,   0,   83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101,
+    70,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,
+    76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,
+    48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,
+    8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171,
+    79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,
+    0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2darray11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2darray11ps.h
new file mode 100644
index 0000000000..cdc91561bc
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha2darray11ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mov o0.xyzw, r0.xxxw
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughLumAlpha2DArray[] = {
+    68,  88,  66,  67,  117, 33,  119, 91,  15,  156, 83,  232, 200, 231, 183, 116, 40,  238, 79,
+    163, 1,   0,   0,   0,   204, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   80,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  184, 0,   0,   0,   64,  0,   0,   0,   46,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   6,   12,  16,  0,   0,   0,   0,   0,   62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha3d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha3d11ps.h
new file mode 100644
index 0000000000..941b5b2b86
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughlumalpha3d11ps.h
@@ -0,0 +1,77 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mov o0.xyzw, r0.xxxw
+ret 
+// Approximately 3 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughLumAlpha3D[] = {
+    68,  88,  66,  67,  158, 22,  231, 90,  211, 81,  99,  1,   181, 209, 159, 145, 140, 162, 254,
+    17,  1,   0,   0,   0,   148, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   24,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  128, 0,   0,   0,   64,  0,   0,   0,   32,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,
+    0,   0,   5,   242, 32,  16,  0,   0,   0,   0,   0,   6,   12,  16,  0,   0,   0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   3,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2d11ps.h
new file mode 100644
index 0000000000..1b41ed1602
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2d11ps.h
@@ -0,0 +1,104 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 1, 0, 0, 0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mad r0, r0.x, c0.xyyy, c0.yyyx
+    mov oC0, r0
+
+// approximately 3 instruction slots used (1 texture, 2 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR2D[] = {
+    68,  88,  66,  67,  14,  165, 206, 90,  117, 2,   221, 45,  225, 30,  128, 173, 62,  238, 39,
+    64,  1,   0,   0,   0,   32,  3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   208, 0,
+    0,   0,   120, 1,   0,   0,   244, 1,   0,   0,   148, 2,   0,   0,   236, 2,   0,   0,   65,
+    111, 110, 57,  144, 0,   0,   0,   144, 0,   0,   0,   0,   2,   255, 255, 104, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   0,   128, 0,   0,   84,  160, 0,   0,
+    21,  160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255, 0,   0,   83,
+    72,  68,  82,  160, 0,   0,   0,   64,  0,   0,   0,   40,  0,   0,   0,   90,  0,   0,   3,
+    0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,
+    0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,
+    0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,
+    0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,
+    70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,   0,
+    5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,
+    116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   82,  68,  69,  70,  152, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,
+    109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   100, 0,
+    0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,
+    0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,   83,  97,  109, 112, 108, 101, 114, 0,
+    84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,
+    40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109,
+    112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  80,
+    0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,
+    0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,
+    79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,
+    8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,
+    171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darray11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darray11ps.h
new file mode 100644
index 0000000000..a5e3d5e52e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darray11ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR2DArray[] = {
+    68,  88,  66,  67,  67,  125, 115, 154, 244, 73,  25,  207, 88,  140, 76,  46,  206, 166, 161,
+    193, 1,   0,   0,   0,   236, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   112, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  216, 0,   0,   0,   64,  0,   0,   0,   54,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,
+    84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayi11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayi11ps.h
new file mode 100644
index 0000000000..eb41a93e37
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayi11ps.h
@@ -0,0 +1,90 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (sint,sint,sint,sint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR2DArrayI[] = {
+    68,  88,  66,  67,  200, 92,  148, 185, 17,  79,  183, 61,  19,  121, 215, 3,  144, 133, 210,
+    72,  1,   0,   0,   0,   16,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   148, 2,   0,   0,   82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,   0,   0,  2,   0,   0,
+    0,   3,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73,  0,   77, 105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83, 104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49, 0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,  0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,  171, 171, 83,
+    72,  68,  82,  36,  1,   0,   0,   64,  0,   0,   0,   73,  0,   0,   0,   88, 64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   100, 8,   0,   4,  18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16, 0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,  0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,  64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,  50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56,  0,   0,  7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   70,  16, 16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70, 0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,  10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,   0,   0,  0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,  0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54, 0,   0,   5,
+    18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,  54,  0,   0,
+    8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,   83,  84, 65,  84,  116,
+    0,   0,   0,   10,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayui11ps.h
new file mode 100644
index 0000000000..12825c89e6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2darrayui11ps.h
@@ -0,0 +1,90 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (uint,uint,uint,uint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR2DArrayUI[] = {
+    68,  88,  66,  67,  201, 224, 137, 9,   164, 198, 146, 11,  60,  99, 27,  27, 235, 209, 108,
+    242, 1,   0,   0,   0,   16,  3,   0,   0,   5,   0,   0,   0,   52, 0,   0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   148, 2,   0,   0,  82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,  0,   0,  2,   0,   0,
+    0,   4,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85, 73,  0,  77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76,  32, 83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48,  46, 49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,  0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83, 86,  95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,   0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84,  0,  171, 171, 83,
+    72,  68,  82,  36,  1,   0,   0,   64,  0,   0,   0,   73,  0,   0,  0,   88, 64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   100, 8,  0,   4,  18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50, 16,  16, 0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,  104, 0,  0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,  0,   1,  64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,  0,   5,  50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56, 0,   0,  7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,  70,  16, 16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,  0,   70, 0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,  0,   0,  10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,  0,   0,  0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,  0,   0,  0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   54, 0,   0,   5,
+    18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,  0,   0,  54,  0,   0,
+    8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,  83,  84, 65,  84,  116,
+    0,   0,   0,   10,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   3,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2di11ps.h
new file mode 100644
index 0000000000..ea6bbcd460
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2di11ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (sint,sint,sint,sint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR2DI[] = {
+    68,  88,  66,  67,  8,   16,  169, 157, 145, 179, 119, 85,  36,  37, 85,  107, 44,  112, 158,
+    100, 1,   0,   0,   0,   200, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   76,  2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  12,  1,  0,   0,   64,  0,   0,
+    0,   67,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,  0,   0,   0,   51,  51,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,  101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,  0,   61,  16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  0,   0,   70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,  0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,  0,   0,   0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,  0,   27,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,  242, 0,   16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16, 0,   0,   0,   0,   0,
+    54,  0,   0,   5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,  16,  0,   0,   0,   0,
+    0,   54,  0,   0,   8,   226, 32,  16,  0,   0,   0,   0,   0,   2,  64,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  62,  0,   0,   1,   83,
+    84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,  0,   0,   0,   0,   0,
+    2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,  0,   2,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2dui11ps.h
new file mode 100644
index 0000000000..bc034faaf6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr2dui11ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (uint,uint,uint,uint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR2DUI[] = {
+    68,  88,  66,  67,  6,   47,  175, 167, 62,  144, 171, 206, 77,  165, 245, 226, 135, 124, 142,
+    188, 1,   0,   0,   0,   200, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   76,  2,   0,   0,   82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85,  73,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  12,  1,   0,   0,   64,  0,   0,
+    0,   67,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   68,  68,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   61,  16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,   0,   0,   0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   27,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,
+    54,  0,   0,   5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,
+    0,   54,  0,   0,   8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   62,  0,   0,   1,   83,
+    84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3d11ps.h
new file mode 100644
index 0000000000..010e3eae14
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3d11ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR3D[] = {
+    68,  88,  66,  67,  134, 101, 76,  73,  205, 199, 65,  249, 170, 201, 40,  128, 129, 87,  93,
+    148, 1,   0,   0,   0,   180, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   56,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  160, 0,   0,   0,   64,  0,   0,   0,   40,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,
+    0,   0,   5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,
+    54,  0,   0,   8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,
+    65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3di11ps.h
new file mode 100644
index 0000000000..447690e35e
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3di11ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (sint,sint,sint,sint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR3DI[] = {
+    68,  88,  66,  67,  250, 224, 56,  242, 8,   157, 92,  236, 205, 252, 68, 242, 80,  46,  223,
+    98,  1,   0,   0,   0,   236, 2,   0,   0,   5,   0,   0,   0,   52,  0,  0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   112, 2,   0,   0,   82, 68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,   0,  0,   2,   0,   0,
+    0,   3,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,   0,  0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73,  0,  77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,  0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171, 171, 83,
+    72,  68,  82,  0,   1,   0,   0,   64,  0,   0,   0,   64,  0,   0,   0,  88,  40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   98,  16,  0,  3,   114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,  0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,  0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,  86,  0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,  0,   56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,   0,  0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,  0,   0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16, 0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,  0,   0,   54,  0,
+    0,   5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,  0,   0,   0,   54,
+    0,   0,   8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   62,  0,   0,  1,   83,  84,  65,
+    84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   2,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3dui11ps.h
new file mode 100644
index 0000000000..040b333116
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughr3dui11ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (uint,uint,uint,uint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.x, r0.x
+mov o0.yzw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughR3DUI[] = {
+    68,  88,  66,  67,  125, 15,  246, 192, 16,  228, 182, 55,  2,   24, 75, 71, 132, 253, 233,
+    61,  1,   0,   0,   0,   236, 2,   0,   0,   5,   0,   0,   0,   52, 0,  0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   112, 2,   0,   0,  82, 68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,  28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,  0,  0,  2,   0,   0,
+    0,   4,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,  0,  0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85, 73, 0,  77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76, 32, 83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48, 46, 49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,  0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,  0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,  1,  0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,  0,  0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83, 86, 95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82, 84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69, 88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,  0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,  0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84, 0,  171, 171, 83,
+    72,  68,  82,  0,   1,   0,   0,   64,  0,   0,   0,   64,  0,   0,  0,  88, 40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   98,  16, 0,  3,  114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,  0,  0,  0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,  0,  0,  0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,  86, 0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,  0,  56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,  0,  0,  0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,  0,  0,  0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16, 0,  0,  0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,  16, 0,  0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,  0,  0,  0,   54,  0,
+    0,   5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,   16,  0,  0,  0,  0,   0,   54,
+    0,   0,   8,   226, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,  0,  0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   62,  0,  0,  1,  83,  84,  65,
+    84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,  0,  0,  0,   2,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,  0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,  0,  0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2d11ps.h
new file mode 100644
index 0000000000..a9373f69ab
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2d11ps.h
@@ -0,0 +1,104 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 1, 0, 0, 0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mad r0, r0.xyxx, c0.xxyy, c0.yyyx
+    mov oC0, r0
+
+// approximately 3 instruction slots used (1 texture, 2 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG2D[] = {
+    68,  88,  66,  67,  151, 54,  111, 200, 187, 200, 177, 214, 12,  69,  246, 113, 254, 31,  23,
+    45,  1,   0,   0,   0,   32,  3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   208, 0,
+    0,   0,   120, 1,   0,   0,   244, 1,   0,   0,   148, 2,   0,   0,   236, 2,   0,   0,   65,
+    111, 110, 57,  144, 0,   0,   0,   144, 0,   0,   0,   0,   2,   255, 255, 104, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   4,   128, 0,   0,   80,  160, 0,   0,
+    21,  160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255, 0,   0,   83,
+    72,  68,  82,  160, 0,   0,   0,   64,  0,   0,   0,   40,  0,   0,   0,   90,  0,   0,   3,
+    0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,
+    0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,
+    0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,
+    0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,
+    70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,   0,
+    5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,
+    116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   82,  68,  69,  70,  152, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,
+    109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   100, 0,
+    0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,
+    0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,   83,  97,  109, 112, 108, 101, 114, 0,
+    84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,
+    40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109,
+    112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  80,
+    0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,
+    0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,
+    79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,
+    8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,
+    171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darray11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darray11ps.h
new file mode 100644
index 0000000000..e97f66a770
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darray11ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG2DArray[] = {
+    68,  88,  66,  67,  20,  85,  120, 206, 181, 139, 167, 245, 44,  89,  37,  135, 242, 39,  108,
+    150, 1,   0,   0,   0,   236, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   112, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  216, 0,   0,   0,   64,  0,   0,   0,   54,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,
+    84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayi11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayi11ps.h
new file mode 100644
index 0000000000..f7ac20960d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayi11ps.h
@@ -0,0 +1,90 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (sint,sint,sint,sint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG2DArrayI[] = {
+    68,  88,  66,  67,  221, 150, 25,  83,  110, 171, 138, 218, 81,  94, 8,   224, 63,  191, 253,
+    25,  1,   0,   0,   0,   16,  3,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   148, 2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83, 86,  95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,  0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84,  0,   171, 171, 83,
+    72,  68,  82,  36,  1,   0,   0,   64,  0,   0,   0,   73,  0,   0,  0,   88,  64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   100, 8,  0,   4,   18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50, 16,  16,  0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,  104, 0,   0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,  0,   1,   64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,  0,   5,   50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56, 0,   0,   7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,  70,  16,  16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,  0,   70,  0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,  0,   0,   10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,  0,   0,   0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,  0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   54,  0,   0,   5,
+    50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,  83,  84,  65,  84,  116,
+    0,   0,   0,   10,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   3,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayui11ps.h
new file mode 100644
index 0000000000..2caa7b3b80
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2darrayui11ps.h
@@ -0,0 +1,90 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (uint,uint,uint,uint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG2DArrayUI[] = {
+    68,  88,  66,  67,  120, 173, 124, 47,  122, 95,  175, 210, 44,  74, 36,  182, 242, 25,  225,
+    20,  1,   0,   0,   0,   16,  3,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   148, 2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85, 73,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48,  46,  49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83, 86,  95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84,  0,   171, 171, 83,
+    72,  68,  82,  36,  1,   0,   0,   64,  0,   0,   0,   73,  0,   0,  0,   88,  64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   100, 8,  0,   4,   18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50, 16,  16,  0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,  104, 0,   0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,  0,   1,   64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,  0,   5,   50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56, 0,   0,   7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,  70,  16,  16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,  0,   70,  0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,  0,   0,   10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,  0,   0,   0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,  0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   54,  0,   0,   5,
+    50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   62,  0,   0,   1,  83,  84,  65,  84,  116,
+    0,   0,   0,   10,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   3,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2di11ps.h
new file mode 100644
index 0000000000..25f0638e82
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2di11ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (sint,sint,sint,sint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG2DI[] = {
+    68,  88,  66,  67,  161, 76,  0,   115, 100, 69,  2,   128, 179, 140, 112, 55, 172, 151, 175,
+    231, 1,   0,   0,   0,   200, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   76,  2,   0,   0,   82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,   0,   0,  2,   0,   0,
+    0,   3,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73,  0,   77, 105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83, 104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49, 0,   171, 171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,  0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,  0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,  0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84, 73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71, 78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83, 86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  12,  1,   0,   0,  64,  0,   0,
+    0,   67,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,  0,   51,  51,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,  0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   61, 16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,  70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,  0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,   0,   0,  0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   27, 0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,  54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,  16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,
+    54,  0,   0,   5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,  0,   0,   0,
+    0,   54,  0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   62,  0,  0,   1,   83,
+    84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,   0,
+    2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2dui11ps.h
new file mode 100644
index 0000000000..cf9f8c793b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg2dui11ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (uint,uint,uint,uint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG2DUI[] = {
+    68,  88,  66,  67,  161, 19,  0,   215, 231, 88,  50,  183, 124, 43, 107, 122, 144, 150, 193,
+    168, 1,   0,   0,   0,   200, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   76,  2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85, 73,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48,  46,  49,  0,   171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  12,  1,  0,   0,   64,  0,   0,
+    0,   67,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,  0,   0,   0,   68,  68,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,  101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,  0,   61,  16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  0,   0,   70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,  0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,  0,   0,   0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,  0,   27,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,  242, 0,   16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16, 0,   0,   0,   0,   0,
+    54,  0,   0,   5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  0,  16,  0,   0,   0,   0,
+    0,   54,  0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,  64,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  62,  0,   0,   1,   83,
+    84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,  0,   0,   0,   0,   0,
+    2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,  0,   2,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3d11ps.h
new file mode 100644
index 0000000000..f9d91f7bd7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3d11ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG3D[] = {
+    68,  88,  66,  67,  234, 174, 205, 77,  197, 154, 113, 172, 235, 131, 32,  212, 121, 65,  136,
+    164, 1,   0,   0,   0,   180, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   56,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  160, 0,   0,   0,   64,  0,   0,   0,   40,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,
+    0,   0,   5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,
+    54,  0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,
+    65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3di11ps.h
new file mode 100644
index 0000000000..53b5685cd6
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3di11ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (sint,sint,sint,sint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG3DI[] = {
+    68,  88,  66,  67,  215, 62,  152, 236, 50,  188, 41,  213, 133, 37, 41, 228, 13,  20,  9,
+    166, 1,   0,   0,   0,   236, 2,   0,   0,   5,   0,   0,   0,   52, 0,  0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   112, 2,   0,   0,  82, 68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,  28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,  0,   2,   0,   0,
+    0,   3,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,  0,  0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,  77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32, 83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46, 49,  0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,  0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,  0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,  1,   0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,  0,  0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83, 86, 95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82, 84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69, 88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,  0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,  0,  0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84, 0,   171, 171, 83,
+    72,  68,  82,  0,   1,   0,   0,   64,  0,   0,   0,   64,  0,   0,  0,  88,  40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   98,  16, 0,  3,   114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,  0,  0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,  0,  0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,  86,  0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,  0,   56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,  0,  0,   0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,  0,  0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16, 0,  0,   0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,  16, 0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,  0,  0,   0,   54,  0,
+    0,   5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,  0,  0,   0,   0,   54,
+    0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,  0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   62,  0,  0,  1,   83,  84,  65,
+    84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,  0,  0,   0,   2,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,  0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3dui11ps.h
new file mode 100644
index 0000000000..de7c00b8cb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrg3dui11ps.h
@@ -0,0 +1,86 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (uint,uint,uint,uint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xy, r0.xyxx
+mov o0.zw, l(0,0,0,0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRG3DUI[] = {
+    68,  88,  66,  67,  136, 113, 120, 69,  210, 200, 206, 216, 193, 132, 168, 220, 72,  141, 170,
+    116, 1,   0,   0,   0,   236, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   112, 2,   0,   0,   82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85,  73,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,
+    72,  68,  82,  0,   1,   0,   0,   64,  0,   0,   0,   64,  0,   0,   0,   88,  40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   98,  16,  0,   3,   114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,   0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   50,  32,  16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,
+    84,  116, 0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d11ps.h
new file mode 100644
index 0000000000..7187de985f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d11ps.h
@@ -0,0 +1,103 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 1, 0, 0, 0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mad r0, r0.xyzx, c0.xxxy, c0.yyyx
+    mov oC0, r0
+
+// approximately 3 instruction slots used (1 texture, 2 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov o0.xyz, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2D[] = {
+    68,  88,  66,  67,  250, 48,  137, 17,  146, 199, 249, 10,  198, 141, 227, 123, 246, 248, 120,
+    90,  1,   0,   0,   0,   20,  3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   208, 0,
+    0,   0,   108, 1,   0,   0,   232, 1,   0,   0,   136, 2,   0,   0,   224, 2,   0,   0,   65,
+    111, 110, 57,  144, 0,   0,   0,   144, 0,   0,   0,   0,   2,   255, 255, 104, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   36,  128, 0,   0,   64,  160, 0,   0,
+    21,  160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255, 0,   0,   83,
+    72,  68,  82,  148, 0,   0,   0,   64,  0,   0,   0,   37,  0,   0,   0,   90,  0,   0,   3,
+    0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,
+    0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,
+    0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   69,
+    0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,
+    70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,   0,
+    5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  62,
+    0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   82,  68,  69,  70,  152, 0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,   0,
+    4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,   0,
+    0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,   83,
+    97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171,
+    171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,
+    15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,
+    78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d_565_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d_565_11ps.h
new file mode 100644
index 0000000000..7807225fa7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2d_565_11ps.h
@@ -0,0 +1,118 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 31, 63, 0.5, 1
+    def c1, 0.0322580636, 0.0158730168, 0, 0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mad r0.xyz, r0, c0.xyxw, c0.z
+    frc r1.xyz, r0
+    add r0.xyz, r0, -r1
+    mul r0.xyz, r0, c1.xyxw
+    mov r0.w, c0.w
+    mov oC0, r0
+
+// approximately 7 instruction slots used (1 texture, 6 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2D_565[] = {
+    68,  88,  66,  67,  120, 69,  206, 120, 97,  29,  104, 168, 87,  8,   112, 9,   57,  119, 88,
+    99,  1,   0,   0,   0,   180, 3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   32,  1,
+    0,   0,   12,  2,   0,   0,   136, 2,   0,   0,   40,  3,   0,   0,   128, 3,   0,   0,   65,
+    111, 110, 57,  224, 0,   0,   0,   224, 0,   0,   0,   0,   2,   255, 255, 184, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   248, 65,  0,   0,   124, 66,  0,   0,   0,   63,  0,   0,   128, 63,  81,
+    0,   0,   5,   1,   0,   15,  160, 8,   33,  4,   61,  33,  8,   130, 60,  0,   0,   0,   0,
+    0,   0,   0,   0,   31,  0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,
+    2,   0,   0,   0,   144, 0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,
+    228, 176, 0,   8,   228, 160, 4,   0,   0,   4,   0,   0,   7,   128, 0,   0,   228, 128, 0,
+    0,   196, 160, 0,   0,   170, 160, 19,  0,   0,   2,   1,   0,   7,   128, 0,   0,   228, 128,
+    2,   0,   0,   3,   0,   0,   7,   128, 0,   0,   228, 128, 1,   0,   228, 129, 5,   0,   0,
+    3,   0,   0,   7,   128, 0,   0,   228, 128, 1,   0,   196, 160, 1,   0,   0,   2,   0,   0,
+    8,   128, 0,   0,   255, 160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255,
+    255, 0,   0,   83,  72,  68,  82,  228, 0,   0,   0,   64,  0,   0,   0,   57,  0,   0,   0,
+    90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,   112, 16,
+    0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,
+    0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,
+    1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,
+    0,   56,  0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   124, 66,  0,   0,   248, 65,  0,
+    0,   0,   0,   64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,
+    0,   0,   0,   0,   56,  0,   0,   10,  114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,
+    0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  33,  8,   130, 60,  8,   33,
+    4,   61,  0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,
+    6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   82,  68,  69,  70,  152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,
+    0,   0,   0,   28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,
+    92,  0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,
+    0,   0,   5,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,
+    0,   0,   0,   13,  0,   0,   0,   83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116,
+    117, 114, 101, 70,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,
+    72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101,
+    114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,
+    0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,
+    95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,
+    171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,
+    32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray11ps.h
new file mode 100644
index 0000000000..22fc48b370
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray11ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mov o0.xyz, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2DArray[] = {
+    68,  88,  66,  67,  26,  40,  103, 223, 174, 169, 46,  176, 180, 125, 61,  98,  234, 113, 13,
+    48,  1,   0,   0,   0,   224, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   100, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  204, 0,   0,   0,   64,  0,   0,   0,   51,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,
+    0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   6,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray_565_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray_565_11ps.h
new file mode 100644
index 0000000000..93c8675762
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darray_565_11ps.h
@@ -0,0 +1,91 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2DArray_565[] = {
+    68,  88,  66,  67,  185, 16,  51,  115, 29,  189, 183, 180, 27,  245, 224, 140, 177, 41,  213,
+    79,  1,   0,   0,   0,   48,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   180, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  28,  1,   0,   0,   64,  0,   0,   0,   71,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,  0,
+    0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   2,
+    64,  0,   0,   0,   0,   248, 65,  0,   0,   124, 66,  0,   0,   248, 65,  0,   0,   0,   0,
+    64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   56,  0,   0,   10,  114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  33,  8,   130, 60,  8,   33,  4,   61,  0,
+    0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,
+    0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayi11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayi11ps.h
new file mode 100644
index 0000000000..da517dedc7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayi11ps.h
@@ -0,0 +1,89 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (sint,sint,sint,sint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2DArrayI[] = {
+    68,  88,  66,  67,  176, 173, 178, 89,  17,  53,  136, 1,   253, 33, 56,  172, 20,  106, 131,
+    127, 1,   0,   0,   0,   4,   3,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   136, 2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83, 86,  95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,  0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84,  0,   171, 171, 83,
+    72,  68,  82,  24,  1,   0,   0,   64,  0,   0,   0,   70,  0,   0,  0,   88,  64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   100, 8,  0,   4,   18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50, 16,  16,  0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,  104, 0,   0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,  0,   1,   64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,  0,   5,   50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56, 0,   0,   7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,  70,  16,  16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,  0,   70,  0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,  0,   0,   10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,  0,   0,   0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,  0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   54,  0,   0,   5,
+    114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   1,  0,   0,   0,   62,  0,
+    0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   10,  0,   0,   0,  1,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  0,   0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayui11ps.h
new file mode 100644
index 0000000000..3b33754c28
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2darrayui11ps.h
@@ -0,0 +1,89 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (uint,uint,uint,uint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xyz, r0.xyzx
+mov o0.w, l(1)
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2DArrayUI[] = {
+    68,  88,  66,  67,  239, 124, 234, 46,  158, 116, 212, 164, 152, 122, 22,  86, 114, 177, 255,
+    160, 1,   0,   0,   0,   4,   3,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   136, 2,   0,   0,   82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,   0,   0,  2,   0,   0,
+    0,   4,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85,  73,  0,  77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,  0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,  171, 171, 83,
+    72,  68,  82,  24,  1,   0,   0,   64,  0,   0,   0,   70,  0,   0,   0,   88, 64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   100, 8,   0,   4,  18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16, 0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,  0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,  64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,  50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56,  0,   0,  7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   70,  16, 16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70, 0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,  10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,   0,   0,  0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,  0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54, 0,   0,   5,
+    114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,  54,  0,   0,
+    5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,  0,   62,  0,
+    0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   10,  0,   0,   0,   1,   0,  0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   0,   0,  0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2di11ps.h
new file mode 100644
index 0000000000..79ff3c4168
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2di11ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (sint,sint,sint,sint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xyz, r0.xyzx
+mov o0.w, l(0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2DI[] = {
+    68,  88,  66,  67,  190, 234, 127, 190, 151, 71,  156, 183, 160, 74, 156, 153, 91,  12,  95,
+    85,  1,   0,   0,   0,   188, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   64,  2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  0,   1,  0,   0,   64,  0,   0,
+    0,   64,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,  0,   0,   0,   51,  51,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,  101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,  0,   61,  16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  0,   0,   70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,  0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,  0,   0,   0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,  0,   27,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,  242, 0,   16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16, 0,   0,   0,   0,   0,
+    54,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,  16,  0,   0,   0,   0,
+    0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,  64,  0,   0,   0,   0,
+    0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,  9,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  3,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2dui11ps.h
new file mode 100644
index 0000000000..74ef0a2236
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb2dui11ps.h
@@ -0,0 +1,82 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (uint,uint,uint,uint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xyz, r0.xyzx
+mov o0.w, l(0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB2DUI[] = {
+    68,  88,  66,  67,  240, 47,  31,  84,  32,  155, 233, 36,  235, 43, 92,  251, 152, 13,  113,
+    169, 1,   0,   0,   0,   188, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   64,  2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85, 73,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48,  46,  49,  0,   171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  0,   1,  0,   0,   64,  0,   0,
+    0,   64,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,  0,   0,   0,   68,  68,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,  101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,  0,   61,  16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  0,   0,   70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,  0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,  0,   0,   0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,  0,   27,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,  242, 0,   16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16, 0,   0,   0,   0,   0,
+    54,  0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,  16,  0,   0,   0,   0,
+    0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,  64,  0,   0,   0,   0,
+    0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,  9,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  3,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d11ps.h
new file mode 100644
index 0000000000..b533c74d77
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d11ps.h
@@ -0,0 +1,79 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mov o0.xyz, r0.xyzx
+mov o0.w, l(1.000000)
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB3D[] = {
+    68,  88,  66,  67,  121, 178, 78,  177, 99,  144, 108, 81,  39,  245, 135, 91,  55, 31,  56,
+    111, 1,   0,   0,   0,   168, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   44,  2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,  0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171,
+    171, 83,  72,  68,  82,  148, 0,   0,   0,   64,  0,   0,   0,   37,  0,   0,   0,  90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16, 0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,  0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,  0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,  2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,  0,   54,
+    0,   0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,
+    54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,  0,   128,
+    63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d_565_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d_565_11ps.h
new file mode 100644
index 0000000000..5222d51cc3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3d_565_11ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyz, r0.xyzx, l(31.000000, 63.000000, 31.000000, 0.000000)
+round_ne r0.xyz, r0.xyzx
+mul o0.xyz, r0.xyzx, l(0.032258, 0.015873, 0.032258, 0.000000)
+mov o0.w, l(1.000000)
+ret 
+// Approximately 6 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB3D_565[] = {
+    68,  88,  66,  67,  190, 139, 108, 54,  112, 70,  128, 98,  155, 40,  89,  132, 48, 127, 91,
+    244, 1,   0,   0,   0,   248, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,  212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   124, 2,   0,   0,   82,  68,  69, 70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,  0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,  0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,  0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,  77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,  1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86, 95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82, 84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69, 88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,  0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,  0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84, 0,   171,
+    171, 83,  72,  68,  82,  228, 0,   0,   0,   64,  0,   0,   0,   57,  0,   0,   0,  90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16, 0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,  0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,  0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,  2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,  0,   56,
+    0,   0,   10,  114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,
+    2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   124, 66,  0,   0,   248, 65,  0,  0,   0,
+    0,   64,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,  0,   0,
+    0,   0,   56,  0,   0,   10,  114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16, 0,   0,
+    0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  33,  8,   130, 60,  8,   33, 4,   61,
+    0,   0,   0,   0,   54,  0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,  64,  0,
+    0,   0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,  6,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  1,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3di11ps.h
new file mode 100644
index 0000000000..9e590b3ebb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3di11ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (sint,sint,sint,sint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xyz, r0.xyzx
+mov o0.w, l(0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB3DI[] = {
+    68,  88,  66,  67,  122, 80,  149, 91,  225, 62,  16,  173, 12,  194, 248, 74, 159, 33,  217,
+    135, 1,   0,   0,   0,   224, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   100, 2,   0,   0,   82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,   0,   0,  2,   0,   0,
+    0,   3,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73,  0,   77, 105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83, 104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49, 0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,  0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,  171, 171, 83,
+    72,  68,  82,  244, 0,   0,   0,   64,  0,   0,   0,   61,  0,   0,   0,   88, 40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   98,  16,  0,   3,  114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,  0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,  0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86, 0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,  56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,  0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,   0,   0,  0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,  0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,  0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   54,  0,
+    0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,   54,
+    0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,  0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,  1,   0,   0,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3dui11ps.h
new file mode 100644
index 0000000000..534b9d9faa
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgb3dui11ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (uint,uint,uint,uint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov o0.xyz, r0.xyzx
+mov o0.w, l(0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGB3DUI[] = {
+    68,  88,  66,  67,  177, 156, 23,  109, 67,  253, 176, 134, 182, 213, 173, 70, 148, 235, 60,
+    205, 1,   0,   0,   0,   224, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   100, 2,   0,   0,   82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,   0,   0,  2,   0,   0,
+    0,   4,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85,  73,  0,  77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,  0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,  171, 171, 83,
+    72,  68,  82,  244, 0,   0,   0,   64,  0,   0,   0,   61,  0,   0,   0,   88, 40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   98,  16,  0,   3,  114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,  0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,  0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86, 0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,  56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,  0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,   0,   0,  0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,  0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,  0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   54,  0,
+    0,   5,   114, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,   54,
+    0,   0,   5,   130, 32,  16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,  0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   9,   0,   0,   0,  1,   0,   0,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d11ps.h
new file mode 100644
index 0000000000..f8b36063f2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d11ps.h
@@ -0,0 +1,93 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mov oC0, r0
+
+// approximately 2 instruction slots used (1 texture, 1 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+sample o0.xyzw, v1.xyxx, t0.xyzw, s0
+ret 
+// Approximately 2 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2D[] = {
+    68,  88,  66,  67,  23,  65,  12,  167, 50,  71,  137, 250, 170, 67,  18,  134, 110, 213, 196,
+    219, 1,   0,   0,   0,   184, 2,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   164, 0,
+    0,   0,   16,  1,   0,   0,   140, 1,   0,   0,   44,  2,   0,   0,   132, 2,   0,   0,   65,
+    111, 110, 57,  100, 0,   0,   0,   100, 0,   0,   0,   0,   2,   255, 255, 60,  0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 31,  0,   0,   2,   0,   0,
+    0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144, 0,   8,   15,  160, 66,
+    0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228, 160, 1,   0,   0,   2,
+    0,   8,   15,  128, 0,   0,   228, 128, 255, 255, 0,   0,   83,  72,  68,  82,  100, 0,   0,
+    0,   64,  0,   0,   0,   25,  0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,
+    0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,
+    16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,
+    0,   0,   0,   0,   69,  0,   0,   9,   242, 32,  16,  0,   0,   0,   0,   0,   70,  16,  16,
+    0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,
+    0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   2,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   82,  68,  69,
+    70,  152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,
+    0,   0,   0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,
+    0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,
+    0,   0,   83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,
+    77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,
+    83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,
+    49,  0,   171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,
+    0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,
+    0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    3,   0,   0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,
+    84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,
+    71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,
+    83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_4444_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_4444_11ps.h
new file mode 100644
index 0000000000..2f94f13c12
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_4444_11ps.h
@@ -0,0 +1,112 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 15, 0.5, 0.0666666701, 0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mad r0, r0, c0.x, c0.y
+    frc r1, r0
+    add r0, r0, -r1
+    mul r0, r0, c0.z
+    mov oC0, r0
+
+// approximately 6 instruction slots used (1 texture, 5 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2D_4444[] = {
+    68,  88,  66,  67,  188, 56,  0,   47,  220, 85,  24,  210, 59,  166, 131, 1,   131, 90,  227,
+    171, 1,   0,   0,   0,   124, 3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   252, 0,
+    0,   0,   212, 1,   0,   0,   80,  2,   0,   0,   240, 2,   0,   0,   72,  3,   0,   0,   65,
+    111, 110, 57,  188, 0,   0,   0,   188, 0,   0,   0,   0,   2,   255, 255, 148, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   112, 65,  0,   0,   0,   63,  137, 136, 136, 61,  0,   0,   0,   0,   31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   228, 128, 0,   0,   0,   160, 0,   0,
+    85,  160, 19,  0,   0,   2,   1,   0,   15,  128, 0,   0,   228, 128, 2,   0,   0,   3,   0,
+    0,   15,  128, 0,   0,   228, 128, 1,   0,   228, 129, 5,   0,   0,   3,   0,   0,   15,  128,
+    0,   0,   228, 128, 0,   0,   170, 160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228,
+    128, 255, 255, 0,   0,   83,  72,  68,  82,  208, 0,   0,   0,   64,  0,   0,   0,   52,  0,
+    0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,
+    112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,
+    1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,
+    2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,
+    16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112,
+    65,  0,   0,   112, 65,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   137, 136, 136, 61,  137, 136, 136, 61,
+    137, 136, 136, 61,  137, 136, 136, 61,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,
+    0,   5,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   82,  68,  69,  70,  152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,   0,   0,   28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,
+    0,   92,  0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,
+    0,   0,   0,   5,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,
+    1,   0,   0,   0,   13,  0,   0,   0,   83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120,
+    116, 117, 114, 101, 70,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,
+    2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,
+    86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,
+    0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_5551_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_5551_11ps.h
new file mode 100644
index 0000000000..44966d6a9b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2d_5551_11ps.h
@@ -0,0 +1,112 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+//
+// Sampler/Resource to DX9 shader sampler mappings:
+//
+// Target Sampler Source Sampler  Source Resource
+// -------------- --------------- ----------------
+// s0             s0              t0               
+//
+//
+// Level9 shader bytecode:
+//
+    ps_2_x
+    def c0, 31, 1, 0.5, 0.0322580636
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mad r0, r0, c0.xxxy, c0.z
+    frc r1, r0
+    add r0, r0, -r1
+    mul r0, r0, c0.wwwy
+    mov oC0, r0
+
+// approximately 6 instruction slots used (1 texture, 5 arithmetic)
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2D_5551[] = {
+    68,  88,  66,  67,  202, 32,  204, 89,  54,  13,  5,   203, 247, 109, 207, 183, 162, 90,  24,
+    32,  1,   0,   0,   0,   124, 3,   0,   0,   6,   0,   0,   0,   56,  0,   0,   0,   252, 0,
+    0,   0,   212, 1,   0,   0,   80,  2,   0,   0,   240, 2,   0,   0,   72,  3,   0,   0,   65,
+    111, 110, 57,  188, 0,   0,   0,   188, 0,   0,   0,   0,   2,   255, 255, 148, 0,   0,   0,
+    40,  0,   0,   0,   0,   0,   40,  0,   0,   0,   40,  0,   0,   0,   40,  0,   1,   0,   36,
+    0,   0,   0,   40,  0,   0,   0,   0,   0,   1,   2,   255, 255, 81,  0,   0,   5,   0,   0,
+    15,  160, 0,   0,   248, 65,  0,   0,   128, 63,  0,   0,   0,   63,  8,   33,  4,   61,  31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   228, 128, 0,   0,   64,  160, 0,   0,
+    170, 160, 19,  0,   0,   2,   1,   0,   15,  128, 0,   0,   228, 128, 2,   0,   0,   3,   0,
+    0,   15,  128, 0,   0,   228, 128, 1,   0,   228, 129, 5,   0,   0,   3,   0,   0,   15,  128,
+    0,   0,   228, 128, 0,   0,   127, 160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228,
+    128, 255, 255, 0,   0,   83,  72,  68,  82,  208, 0,   0,   0,   64,  0,   0,   0,   52,  0,
+    0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,   0,
+    112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,
+    1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,
+    2,   1,   0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,
+    16,  0,   1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,
+    0,   0,   0,   56,  0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   248,
+    65,  0,   0,   128, 63,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  8,   33,  4,   61,
+    8,   33,  4,   61,  0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,
+    0,   5,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   82,  68,  69,  70,  152, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,   0,   0,   28,  0,   0,   0,   0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,
+    0,   92,  0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,
+    0,   0,   0,   5,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,
+    1,   0,   0,   0,   13,  0,   0,   0,   83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120,
+    116, 117, 114, 101, 70,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,
+    32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108,
+    101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 171, 73,  83,  71,  78,  80,  0,   0,   0,
+    2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   3,   0,   0,   83,
+    86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,
+    0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray11ps.h
new file mode 100644
index 0000000000..227aab3bf9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray11ps.h
@@ -0,0 +1,81 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample o0.xyzw, r0.xyzx, t0.xyzw, s0
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DArray[] = {
+    68,  88,  66,  67,  200, 215, 233, 151, 66,  46,  221, 224, 83,  242, 34,  162, 166, 5,   137,
+    148, 1,   0,   0,   0,   184, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   60,  2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  164, 0,   0,   0,   64,  0,   0,   0,   41,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 32,  16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   62,  0,
+    0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_4444_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_4444_11ps.h
new file mode 100644
index 0000000000..24011717c7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_4444_11ps.h
@@ -0,0 +1,89 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DArray_4444[] = {
+    68,  88,  66,  67,  88,  17,  60,  194, 201, 5,   168, 96,  74,  117, 234, 137, 214, 224, 224,
+    134, 1,   0,   0,   0,   28,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   160, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  8,   1,   0,   0,   64,  0,   0,   0,   66,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,  0,
+    0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,
+    64,  0,   0,   0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,
+    64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,
+    0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136, 61,  137,
+    136, 136, 61,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_5551_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_5551_11ps.h
new file mode 100644
index 0000000000..f6335bccef
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darray_5551_11ps.h
@@ -0,0 +1,89 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DArray_5551[] = {
+    68,  88,  66,  67,  68,  140, 194, 251, 165, 142, 204, 154, 232, 236, 200, 233, 255, 120, 4,
+    27,  1,   0,   0,   0,   28,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   160, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  8,   1,   0,   0,   64,  0,   0,   0,   66,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   86,  0,
+    0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,
+    0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,  0,
+    0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   2,
+    64,  0,   0,   0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   128, 63,
+    64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,
+    0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  8,   33,  4,   61,  8,   33,  4,   61,  0,
+    0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayi11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayi11ps.h
new file mode 100644
index 0000000000..457935a252
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayi11ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (sint,sint,sint,sint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld o0.xyzw, r0.xyzw, t0.xyzw
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DArrayI[] = {
+    68,  88,  66,  67,  215, 68,  211, 98,  73,  229, 148, 22,  136, 6,  112, 36, 206, 148, 145,
+    188, 1,   0,   0,   0,   220, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   96,  2,   0,   0,  82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,   0,  2,   0,   0,
+    0,   3,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,   77, 105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83, 104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49, 0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,  0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83, 86,  95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,   0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,  0,   0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84,  0,  171, 171, 83,
+    72,  68,  82,  240, 0,   0,   0,   64,  0,   0,   0,   60,  0,   0,  0,   88, 64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   100, 8,  0,   4,  18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50, 16,  16, 0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,  104, 0,  0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,  0,   1,  64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,  0,   5,  50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56, 0,   0,  7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,  70,  16, 16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,  0,   70, 0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,  0,   0,  10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,  0,   0,  0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 32,  16,  0,  0,   0,  0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   62, 0,   0,   1,
+    83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,  0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,  0,   0,  2,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayui11ps.h
new file mode 100644
index 0000000000..58b67ac728
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2darrayui11ps.h
@@ -0,0 +1,85 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4     2darray             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2darray (uint,uint,uint,uint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld o0.xyzw, r0.xyzw, t0.xyzw
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DArrayUI[] = {
+    68,  88,  66,  67,  31,  32,  146, 134, 107, 181, 50,  167, 97,  108, 64,  57, 238, 167, 69,
+    217, 1,   0,   0,   0,   220, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,  0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   96,  2,   0,   0,   82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,   0,   0,  2,   0,   0,
+    0,   4,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85,  73,  0,  77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32, 83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46, 49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,  0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,  0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,  0,   0,   0,
+    1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95, 80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84, 65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88, 67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,  8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,  171, 171, 83,
+    72,  68,  82,  240, 0,   0,   0,   64,  0,   0,   0,   60,  0,   0,   0,   88, 64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   100, 8,   0,   4,  18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16, 0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,  0,   2,   1,
+    0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,  64,  0,   0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,  50,  0,   16,
+    0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56,  0,   0,  7,   50,  0,
+    16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   70,  16, 16,  0,   2,
+    0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70, 0,   16,  0,
+    0,   0,   0,   0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,  10,  16,  16,
+    0,   1,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,   0,   0,  0,   1,   64,
+    0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 32,  16,  0,   0,   0,  0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   62, 0,   0,   1,
+    83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,   0,   0,  0,   0,   0,
+    0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,  2,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2di11ps.h
new file mode 100644
index 0000000000..eb0ebbd6ea
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2di11ps.h
@@ -0,0 +1,78 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (sint,sint,sint,sint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld o0.xyzw, r0.xyzw, t0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DI[] = {
+    68,  88,  66,  67,  11,  194, 121, 174, 53,  241, 53,  229, 116, 76, 99,  226, 54,  79,  165,
+    216, 1,   0,   0,   0,   148, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   24,  2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  216, 0,  0,   0,   64,  0,   0,
+    0,   54,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,  0,   0,   0,   51,  51,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,  101, 0,   0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,  0,   61,  16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  0,   0,   70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,  0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,  0,   0,   0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,  0,   27,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,   54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,  242, 32,  16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16, 0,   0,   0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,  0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,   0,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dms11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dms11ps.h
new file mode 100644
index 0000000000..76361532d2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dms11ps.h
@@ -0,0 +1,80 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureF_MS                       texture  float4        2dMS             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+// SV_SAMPLEINDEX           0   x           2   SAMPLE    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+// Pixel Shader runs at sample frequency
+//
+ps_4_1
+dcl_globalFlags refactoringAllowed
+dcl_resource_texture2dms(0) (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_input_ps_sgv constant v2.x, sampleIndex
+dcl_output o0.xyzw
+dcl_temps 1
+ftou r0.xy, v1.xyxx
+mov r0.zw, l(0,0,0,0)
+ldms o0.xyzw, r0.xyzw, t0.xyzw, v2.x
+ret 
+// Approximately 4 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DMS[] = {
+    68,  88, 66,  67,  49,  75,  69,  135, 188, 202, 223, 102, 144, 42,  4,  30,  173, 255, 143,
+    210, 1,  0,   0,   0,   136, 2,   0,   0,   5,   0,   0,   0,   52,  0,  0,   0,   172, 0,
+    0,   0,  40,  1,   0,   0,   92,  1,   0,   0,   12,  2,   0,   0,   82, 68,  69,  70,  112,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  28,  0,   0,   0,
+    1,   4,  255, 255, 0,   1,   0,   0,   72,  0,   0,   0,   60,  0,   0,  0,   2,   0,   0,
+    0,   5,  0,   0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   1,   0,
+    0,   0,  13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 70,  95, 77,  83,  0,   77,
+    105, 99, 114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76, 83,  76,  32,  83,
+    104, 97, 100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32, 49,  48,  46,  49,
+    0,   73, 83,  71,  78,  116, 0,   0,   0,   3,   0,   0,   0,   8,   0,  0,   0,   80,  0,
+    0,   0,  0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,  0,   0,   0,   15,
+    0,   0,  0,   92,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  3,   0,   0,   0,
+    1,   0,  0,   0,   3,   3,   0,   0,   101, 0,   0,   0,   0,   0,   0,  0,   10,  0,   0,
+    0,   1,  0,   0,   0,   2,   0,   0,   0,   1,   1,   0,   0,   83,  86, 95,  80,  79,  83,
+    73,  84, 73,  79,  78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,  83,  86,  95,  83,
+    65,  77, 80,  76,  69,  73,  78,  68,  69,  88,  0,   79,  83,  71,  78, 44,  0,   0,   0,
+    1,   0,  0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   3,  0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86, 95,  84,  65,  82,
+    71,  69, 84,  0,   171, 171, 83,  72,  68,  82,  168, 0,   0,   0,   65, 0,   0,   0,   42,
+    0,   0,  0,   106, 8,   0,   1,   88,  32,  0,   4,   0,   112, 16,  0,  0,   0,   0,   0,
+    85,  85, 0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,  0,   99,  8,   0,
+    4,   18, 16,  16,  0,   2,   0,   0,   0,   10,  0,   0,   0,   101, 0,  0,   3,   242, 32,
+    16,  0,  0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   28, 0,   0,   5,   50,
+    0,   16, 0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,  54,  0,   0,   8,
+    194, 0,  16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   46,  0,   0,   9,   242, 32, 16,  0,   0,   0,
+    0,   0,  70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,   10,
+    16,  16, 0,   2,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84, 116, 0,   0,   0,
+    4,   0,  0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,  0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,  0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    1,   0,  0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,
+    0,   0,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   1,   0,
+    0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dui11ps.h
new file mode 100644
index 0000000000..31f84d0d74
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba2dui11ps.h
@@ -0,0 +1,78 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          2d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture2d (uint,uint,uint,uint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld o0.xyzw, r0.xyzw, t0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA2DUI[] = {
+    68,  88,  66,  67,  116, 109, 92,  124, 46,  28,  237, 165, 173, 42, 6,   53, 183, 101, 128,
+    93,  1,   0,   0,   0,   148, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,  0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   24,  2,   0,   0,  82,  68, 69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28, 0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,  0,   0,  2,   0,   0,
+    0,   4,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,  0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85, 73,  0,  77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76,  32, 83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48,  46, 49,  0,   171,
+    171, 73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,  0,   0,  0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,  0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   3,  0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83, 73,  84, 73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79, 83,  71, 78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,  0,   83, 86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  216, 0,  0,   0,  64,  0,   0,
+    0,   54,  0,   0,   0,   88,  24,  0,   4,   0,   112, 16,  0,   0,  0,   0,  0,   68,  68,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,  101, 0,  0,   3,   242,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,  0,   61, 16,  0,   7,
+    242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,  0,   0,  70,  126, 16,
+    0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,  0,   0,  0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,  0,   0,  0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,  0,   27, 0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,  0,   0,  54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   45,  0,   0,   7,  242, 32, 16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16, 0,   0,  0,   0,   0,
+    62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,  0,   0,  1,   0,   0,
+    0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   1,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,  0,   0,  0,   0,   0,
+    0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d11ps.h
new file mode 100644
index 0000000000..4aef441bcd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d11ps.h
@@ -0,0 +1,74 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+sample o0.xyzw, v2.xyzx, t0.xyzw, s0
+ret 
+// Approximately 2 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA3D[] = {
+    68,  88,  66,  67,  68,  93,  216, 66,  165, 49,  226, 52,  230, 199, 150, 143, 253, 53,  233,
+    213, 1,   0,   0,   0,   120, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   252, 1,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  100, 0,   0,   0,   64,  0,   0,   0,   25,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   69,  0,   0,   9,   242, 32,  16,
+    0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,   0,   0,   70,  126, 16,  0,   0,   0,
+    0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_4444_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_4444_11ps.h
new file mode 100644
index 0000000000..d6c7a28333
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_4444_11ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(15.000000, 15.000000, 15.000000, 15.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.066667, 0.066667, 0.066667, 0.066667)
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA3D_4444[] = {
+    68,  88,  66,  67,  244, 22,  101, 89,  172, 184, 153, 143, 94,  198, 255, 75,  136, 76,  172,
+    69,  1,   0,   0,   0,   228, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   104, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  208, 0,   0,   0,   64,  0,   0,   0,   52,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112, 65,  0,   0,   112,
+    65,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,
+    0,   0,   0,   2,   64,  0,   0,   137, 136, 136, 61,  137, 136, 136, 61,  137, 136, 136, 61,
+    137, 136, 136, 61,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_5551_11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_5551_11ps.h
new file mode 100644
index 0000000000..3329c4d2ce
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3d_5551_11ps.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF                          texture  float4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mul r0.xyzw, r0.xyzw, l(31.000000, 31.000000, 31.000000, 1.000000)
+round_ne r0.xyzw, r0.xyzw
+mul o0.xyzw, r0.xyzw, l(0.032258, 0.032258, 0.032258, 1.000000)
+ret 
+// Approximately 5 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA3D_5551[] = {
+    68,  88,  66,  67,  84,  84,  9,   48,  70,  52,  100, 237, 108, 219, 183, 20,  215, 148, 144,
+    173, 1,   0,   0,   0,   228, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   212, 0,
+    0,   0,   92,  1,   0,   0,   144, 1,   0,   0,   104, 2,   0,   0,   82,  68,  69,  70,  152,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   109, 0,   0,   0,   92,  0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   100, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    83,  97,  109, 112, 108, 101, 114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    171, 171, 171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,
+    80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,
+    79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,
+    82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,
+    79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,
+    0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171,
+    171, 83,  72,  68,  82,  208, 0,   0,   0,   64,  0,   0,   0,   52,  0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,
+    101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,
+    0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   248, 65,  0,   0,   128,
+    63,  64,  0,   0,   5,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   56,  0,   0,   10,  242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,
+    0,   0,   0,   2,   64,  0,   0,   8,   33,  4,   61,  8,   33,  4,   61,  8,   33,  4,   61,
+    0,   0,   128, 63,  62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   5,   0,   0,
+    0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3di11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3di11ps.h
new file mode 100644
index 0000000000..81adb14ca9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3di11ps.h
@@ -0,0 +1,81 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI                          texture   sint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (sint,sint,sint,sint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld o0.xyzw, r0.xyzw, t0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA3DI[] = {
+    68,  88,  66,  67,  112, 154, 25,  211, 170, 223, 11,  97,  14,  10, 139, 203, 225, 190, 33,
+    158, 1,   0,   0,   0,   184, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   60,  2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   69,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 73, 0,   77,  105, 99,  114,
+    111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104, 97,  100,
+    101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48, 46,  49,  0,   171, 171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83, 86,  95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,  0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84,  0,   171, 171, 83,
+    72,  68,  82,  204, 0,   0,   0,   64,  0,   0,   0,   51,  0,   0,  0,   88,  40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   98,  16, 0,   3,   114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,  0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,  0,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   86,  0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,   56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,  0,   0,   0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,  0,   0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16, 0,   0,   0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 32, 16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,   62,  0,
+    0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,   0,   0,  1,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3dui11ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3dui11ps.h
new file mode 100644
index 0000000000..31bc39204d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/passthroughrgba3dui11ps.h
@@ -0,0 +1,81 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI                         texture   uint4          3d             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_resource_texture3d (uint,uint,uint,uint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld o0.xyzw, r0.xyzw, t0.xyzw
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_PS_PassthroughRGBA3DUI[] = {
+    68,  88,  66,  67,  136, 72,  192, 109, 253, 59,  232, 36,  69,  34, 127, 153, 17,  12,  205,
+    209, 1,   0,   0,   0,   184, 2,   0,   0,   5,   0,   0,   0,   52, 0,   0,   0,   172, 0,
+    0,   0,   52,  1,   0,   0,   104, 1,   0,   0,   60,  2,   0,   0,  82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,  0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   70,  0,   0,   0,   60,  0,  0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,  0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 85, 73,  0,   77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83, 76,  32,  83,  104, 97,
+    100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49, 48,  46,  49,  0,   171,
+    171, 73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,  0,   0,   0,   80,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,  0,   0,   0,   0,   15,
+    0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,  0,   1,   0,   0,   0,
+    1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83, 86,  95,  80,  79,  83,
+    73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69, 82,  84,  65,  82,  71,
+    69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84, 69,  88,  67,  79,  79,
+    82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,  0,   0,   8,   0,   0,
+    0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69, 84,  0,   171, 171, 83,
+    72,  68,  82,  204, 0,   0,   0,   64,  0,   0,   0,   51,  0,   0,  0,   88,  40,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   98,  16, 0,   3,   114, 16,  16,
+    0,   2,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,  0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,  0,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,  0,   86,  0,   0,   5,
+    114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,  0,   0,   56,  0,   0,
+    7,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,  0,   0,   0,   70,  18,
+    16,  0,   2,   0,   0,   0,   27,  0,   0,   5,   114, 0,   16,  0,  0,   0,   0,   0,   70,
+    2,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   130, 0,   16, 0,   0,   0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   45,  0,   0,   7,   242, 32, 16,  0,   0,   0,   0,
+    0,   70,  14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,  0,   0,   0,   62,  0,
+    0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,   0,   0,  1,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,  0,   0,   0,   0,   2,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvecolor2dps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvecolor2dps.h
new file mode 100644
index 0000000000..8283ea9c4c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvecolor2dps.h
@@ -0,0 +1,103 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureF_MS                       texture  float4        2dMS             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_1
+dcl_globalFlags refactoringAllowed
+dcl_resource_texture2dms(0) (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 4
+resinfo_uint r0.xy, l(0), t0.xyzw
+sampleinfo_uint r0.z, t0.x
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftou r1.xy, r0.xyxx
+mov r1.zw, l(0,0,0,0)
+mov r2.xyzw, l(0,0,0,0)
+mov r0.x, l(0)
+loop 
+  uge r0.y, r0.x, r0.z
+  breakc_nz r0.y
+  ldms r3.xyzw, r1.xyzw, t0.xyzw, r0.x
+  add r2.xyzw, r2.xyzw, r3.xyzw
+  iadd r0.x, r0.x, l(1)
+endloop 
+sampleinfo r0.x, t0.x
+div o0.xyzw, r2.xyzw, r0.xxxx
+ret 
+// Approximately 18 instruction slots used
+#endif
+
+const BYTE g_PS_ResolveColor2D[] = {
+    68,  88,  66,  67,  93,  61,  55,  147, 13,  181, 1,   129, 207, 120, 176, 100, 210, 126, 243,
+    242, 1,   0,   0,   0,   128, 3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   172, 0,
+    0,   0,   4,   1,   0,   0,   56,  1,   0,   0,   4,   3,   0,   0,   82,  68,  69,  70,  112,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    1,   4,   255, 255, 0,   1,   0,   0,   72,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   5,   0,   0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   84,  101, 120, 116, 117, 114, 101, 70,  95,  77,  83,  0,   77,
+    105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,
+    104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,
+    0,   73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,
+    0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,
+    1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,
+    0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,
+    0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,
+    65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  196, 1,   0,   0,   65,  0,   0,
+    0,   113, 0,   0,   0,   106, 8,   0,   1,   88,  32,  0,   4,   0,   112, 16,  0,   0,   0,
+    0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101,
+    0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   4,   0,   0,   0,
+    61,  16,  0,   7,   50,  0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   111, 8,   0,   5,   66,  0,   16,  0,   0,   0,
+    0,   0,   10,  112, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,
+    0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,
+    0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,
+    0,   28,  0,   0,   5,   50,  0,   16,  0,   1,   0,   0,   0,   70,  0,   16,  0,   0,   0,
+    0,   0,   54,  0,   0,   8,   194, 0,   16,  0,   1,   0,   0,   0,   2,   64,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   8,
+    242, 0,   16,  0,   2,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   5,   18,  0,   16,  0,   0,   0,
+    0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   48,  0,   0,   1,   80,  0,   0,   7,   34,
+    0,   16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   42,  0,   16,  0,
+    0,   0,   0,   0,   3,   0,   4,   3,   26,  0,   16,  0,   0,   0,   0,   0,   46,  0,   0,
+    9,   242, 0,   16,  0,   3,   0,   0,   0,   70,  14,  16,  0,   1,   0,   0,   0,   70,  126,
+    16,  0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   7,   242,
+    0,   16,  0,   2,   0,   0,   0,   70,  14,  16,  0,   2,   0,   0,   0,   70,  14,  16,  0,
+    3,   0,   0,   0,   30,  0,   0,   7,   18,  0,   16,  0,   0,   0,   0,   0,   10,  0,   16,
+    0,   0,   0,   0,   0,   1,   64,  0,   0,   1,   0,   0,   0,   22,  0,   0,   1,   111, 0,
+    0,   5,   18,  0,   16,  0,   0,   0,   0,   0,   10,  112, 16,  0,   0,   0,   0,   0,   14,
+    0,   0,   7,   242, 32,  16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   2,   0,   0,   0,
+    6,   0,   16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,
+    0,   18,  0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   3,   0,
+    0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepth11_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepth11_ps.h
new file mode 100644
index 0000000000..0f986c7843
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepth11_ps.h
@@ -0,0 +1,81 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Depth                             texture   float        2dMS             t0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Depth                 0    N/A   oDepth    DEPTH   float    YES
+//
+ps_4_1
+dcl_globalFlags refactoringAllowed
+dcl_resource_texture2dms(0) (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output oDepth
+dcl_temps 1
+resinfo_uint r0.xy, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftou r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ldms r0.x, r0.xyzw, t0.xyzw, l(0)
+mov oDepth, r0.x
+ret 
+// Approximately 8 instruction slots used
+#endif
+
+const BYTE g_PS_ResolveDepth[] = {
+    68,  88,  66,  67,  133, 15,  63,  40,  192, 212, 199, 79,  7,   253, 243, 47,  246, 158, 13,
+    45,  1,   0,   0,   0,   168, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   168, 0,
+    0,   0,   0,   1,   0,   0,   52,  1,   0,   0,   44,  2,   0,   0,   82,  68,  69,  70,  108,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    1,   4,   255, 255, 0,   1,   0,   0,   66,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   5,   0,   0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   68,  101, 112, 116, 104, 0,   77,  105, 99,  114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 73,  83,  71,
+    78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,
+    3,   3,   0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110, 0,   84,  69,  88,
+    67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,
+    0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,
+    0,   0,   0,   255, 255, 255, 255, 1,   14,  0,   0,   83,  86,  95,  68,  101, 112, 116, 104,
+    0,   171, 171, 171, 83,  72,  68,  82,  240, 0,   0,   0,   65,  0,   0,   0,   60,  0,   0,
+    0,   106, 8,   0,   1,   88,  32,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,  85,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   2,   1,
+    192, 0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   50,  0,   16,  0,
+    0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,
+    0,   86,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,
+    0,   0,   56,  0,   0,   7,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,
+    0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   28,  0,   0,   5,   50,  0,   16,  0,
+    0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   8,   194, 0,   16,
+    0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   46,  0,   0,   9,   18,  0,   16,  0,   0,   0,   0,   0,   70,
+    14,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   1,   64,  0,   0,
+    0,   0,   0,   0,   54,  0,   0,   4,   1,   192, 0,   0,   10,  0,   16,  0,   0,   0,   0,
+    0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   8,   0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_ps.h
new file mode 100644
index 0000000000..449fbdbed9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_ps.h
@@ -0,0 +1,92 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Depth                             texture   float        2dMS             t0      1 
+// Stencil                           texture   uint2        2dMS             t1      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Target                0   xy          0   TARGET   float   xy  
+//
+ps_4_1
+dcl_globalFlags refactoringAllowed
+dcl_resource_texture2dms(0) (float,float,float,float) t0
+dcl_resource_texture2dms(0) (uint,uint,uint,uint) t1
+dcl_input_ps linear v1.xy
+dcl_output o0.xy
+dcl_temps 1
+resinfo_uint r0.xy, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftou r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ldms r0.z, r0.xyzw, t1.xzyw, l(0)
+ldms r0.x, r0.xyww, t0.xyzw, l(0)
+mov o0.x, r0.x
+utof o0.y, r0.z
+ret 
+// Approximately 10 instruction slots used
+#endif
+
+const BYTE g_PS_ResolveDepthStencil[] = {
+    68,  88,  66,  67,  89,  136, 221, 180, 85,  229, 18,  205, 242, 112, 176, 35,  107, 34,  5,
+    254, 1,   0,   0,   0,   32,  3,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   208, 0,
+    0,   0,   40,  1,   0,   0,   92,  1,   0,   0,   164, 2,   0,   0,   82,  68,  69,  70,  148,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    1,   4,   255, 255, 0,   1,   0,   0,   106, 0,   0,   0,   92,  0,   0,   0,   2,   0,   0,
+    0,   5,   0,   0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   98,  0,   0,   0,   2,   0,   0,   0,   4,   0,   0,   0,   6,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   5,   0,   0,   0,
+    68,  101, 112, 116, 104, 0,   83,  116, 101, 110, 99,  105, 108, 0,   77,  105, 99,  114, 111,
+    115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101,
+    114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   171, 171, 73,
+    83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,
+    0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,
+    0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110, 0,   84,
+    69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,
+    1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   3,   0,   0,   0,   0,   0,   0,   0,   3,   12,  0,   0,   83,  86,  95,  84,  97,  114,
+    103, 101, 116, 0,   171, 171, 83,  72,  68,  82,  64,  1,   0,   0,   65,  0,   0,   0,   80,
+    0,   0,   0,   106, 8,   0,   1,   88,  32,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,
+    85,  85,  0,   0,   88,  32,  0,   4,   0,   112, 16,  0,   1,   0,   0,   0,   68,  68,  0,
+    0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   50,  32,
+    16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   61,  16,  0,   7,   50,
+    0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,
+    0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,
+    0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   28,  0,   0,   5,   50,
+    0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   8,
+    194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   46,  0,   0,   9,   66,  0,   16,  0,   0,   0,
+    0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   134, 125, 16,  0,   1,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   46,  0,   0,   9,   18,  0,   16,  0,   0,   0,   0,   0,
+    70,  15,  16,  0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   1,   64,  0,
+    0,   0,   0,   0,   0,   54,  0,   0,   5,   18,  32,  16,  0,   0,   0,   0,   0,   10,  0,
+    16,  0,   0,   0,   0,   0,   86,  0,   0,   5,   34,  32,  16,  0,   0,   0,   0,   0,   42,
+    0,   16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,
+    10,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_vs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_vs.h
new file mode 100644
index 0000000000..162168be33
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvedepthstencil11_vs.h
@@ -0,0 +1,83 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_VertexID              0   x           0   VERTID    uint   x   
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float   xyzw
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+vs_4_1
+dcl_globalFlags refactoringAllowed
+dcl_immediateConstantBuffer { { -1.000000, 1.000000, 0, 0},
+                              { 1.000000, -1.000000, 0, 0},
+                              { -1.000000, -1.000000, 0, 0},
+                              { -1.000000, 1.000000, 0, 0},
+                              { 1.000000, 1.000000, 0, 0},
+                              { 1.000000, -1.000000, 0, 0} }
+dcl_input_sgv v0.x, vertex_id
+dcl_output_siv o0.xyzw, position
+dcl_output o1.xy
+dcl_temps 1
+mov o0.zw, l(0,0,0,1.000000)
+mov r0.x, v0.x
+mov o0.xy, icb[r0.x + 0].xyxx
+add r0.y, l(1.000000), icb[r0.x + 0].x
+add r0.x, l(1.000000), -icb[r0.x + 0].y
+mul o1.xy, r0.yxyy, l(0.500000, 0.500000, 0.000000, 0.000000)
+ret 
+// Approximately 7 instruction slots used
+#endif
+
+const BYTE g_VS_ResolveDepthStencil[] = {
+    68,  88,  66,  67,  151, 71,  251, 149, 26,  9,   107, 111, 231, 137, 148, 94,  92,  2,   252,
+    182, 1,   0,   0,   0,   244, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   128, 0,
+    0,   0,   180, 0,   0,   0,   12,  1,   0,   0,   120, 2,   0,   0,   82,  68,  69,  70,  68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   28,  0,   0,   0,
+    1,   4,   254, 255, 0,   1,   0,   0,   28,  0,   0,   0,   77,  105, 99,  114, 111, 115, 111,
+    102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,
+    67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    6,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   1,   1,   0,   0,   83,  86,  95,
+    86,  101, 114, 116, 101, 120, 73,  68,  0,   79,  83,  71,  78,  80,  0,   0,   0,   2,   0,
+    0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,
+    0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   3,   12,  0,   0,   83,  86,  95,
+    80,  111, 115, 105, 116, 105, 111, 110, 0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171,
+    171, 171, 83,  72,  68,  82,  100, 1,   0,   0,   65,  0,   1,   0,   89,  0,   0,   0,   106,
+    8,   0,   1,   53,  24,  0,   0,   26,  0,   0,   0,   0,   0,   128, 191, 0,   0,   128, 63,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,  0,   0,   128, 191, 0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   128, 191, 0,   0,   128, 191, 0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   128, 191, 0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   128, 63,  0,   0,   128, 63,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128, 63,
+    0,   0,   128, 191, 0,   0,   0,   0,   0,   0,   0,   0,   96,  0,   0,   4,   18,  16,  16,
+    0,   0,   0,   0,   0,   6,   0,   0,   0,   103, 0,   0,   4,   242, 32,  16,  0,   0,   0,
+    0,   0,   1,   0,   0,   0,   101, 0,   0,   3,   50,  32,  16,  0,   1,   0,   0,   0,   104,
+    0,   0,   2,   1,   0,   0,   0,   54,  0,   0,   8,   194, 32,  16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   128,
+    63,  54,  0,   0,   5,   18,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   0,   0,
+    0,   0,   54,  0,   0,   6,   50,  32,  16,  0,   0,   0,   0,   0,   70,  144, 144, 0,   10,
+    0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   8,   34,  0,   16,  0,   0,   0,   0,   0,
+    1,   64,  0,   0,   0,   0,   128, 63,  10,  144, 144, 0,   10,  0,   16,  0,   0,   0,   0,
+    0,   0,   0,   0,   9,   18,  0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,
+    128, 63,  26,  144, 144, 128, 65,  0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   56,
+    0,   0,   10,  50,  32,  16,  0,   1,   0,   0,   0,   22,  5,   16,  0,   0,   0,   0,   0,
+    2,   64,  0,   0,   0,   0,   0,   63,  0,   0,   0,   63,  0,   0,   0,   0,   0,   0,   0,
+    0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   7,   0,   0,   0,   1,   0,
+    0,   0,   6,   0,   0,   0,   3,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvestencil11_ps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvestencil11_ps.h
new file mode 100644
index 0000000000..0f96154858
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/resolvestencil11_ps.h
@@ -0,0 +1,84 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Stencil                           texture   uint2        2dMS             t1      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Position              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_Target                0   xy          0   TARGET   float   xy  
+//
+ps_4_1
+dcl_globalFlags refactoringAllowed
+dcl_resource_texture2dms(0) (uint,uint,uint,uint) t1
+dcl_input_ps linear v1.xy
+dcl_output o0.xy
+dcl_temps 1
+resinfo_uint r0.xy, l(0), t1.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftou r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ldms r0.x, r0.xyzw, t1.yxzw, l(0)
+utof o0.y, r0.x
+mov o0.x, l(0)
+ret 
+// Approximately 9 instruction slots used
+#endif
+
+const BYTE g_PS_ResolveStencil[] = {
+    68,  88,  66,  67,  123, 66,  135, 11,  171, 75,  198, 85,  15,  70,  47,  122, 95,  167, 34,
+    235, 1,   0,   0,   0,   196, 2,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   168, 0,
+    0,   0,   0,   1,   0,   0,   52,  1,   0,   0,   72,  2,   0,   0,   82,  68,  69,  70,  108,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   28,  0,   0,   0,
+    1,   4,   255, 255, 0,   1,   0,   0,   68,  0,   0,   0,   60,  0,   0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   6,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,
+    0,   0,   5,   0,   0,   0,   83,  116, 101, 110, 99,  105, 108, 0,   77,  105, 99,  114, 111,
+    115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104, 97,  100, 101,
+    114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,   73,  83,  71,
+    78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   68,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,
+    3,   3,   0,   0,   83,  86,  95,  80,  111, 115, 105, 116, 105, 111, 110, 0,   84,  69,  88,
+    67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,
+    0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,
+    0,   0,   0,   0,   0,   0,   0,   3,   12,  0,   0,   83,  86,  95,  84,  97,  114, 103, 101,
+    116, 0,   171, 171, 83,  72,  68,  82,  12,  1,   0,   0,   65,  0,   0,   0,   67,  0,   0,
+    0,   106, 8,   0,   1,   88,  32,  0,   4,   0,   112, 16,  0,   1,   0,   0,   0,   68,  68,
+    0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   50,
+    32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   61,  16,  0,   7,
+    50,  0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   70,  126, 16,
+    0,   1,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,
+    16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,   0,   0,   0,   0,   70,
+    0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   1,   0,   0,   0,   28,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,
+    8,   194, 0,   16,  0,   0,   0,   0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   46,  0,   0,   9,   18,  0,   16,  0,   0,
+    0,   0,   0,   70,  14,  16,  0,   0,   0,   0,   0,   22,  126, 16,  0,   1,   0,   0,   0,
+    1,   64,  0,   0,   0,   0,   0,   0,   86,  0,   0,   5,   34,  32,  16,  0,   0,   0,   0,
+    0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   5,   18,  32,  16,  0,   0,   0,
+    0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116,
+    0,   0,   0,   9,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2darrayps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2darrayps.h
new file mode 100644
index 0000000000..d3d5c0f0e3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2darrayps.h
@@ -0,0 +1,135 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF2DArray                   texture  float4     2darray             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_sampler s0, mode_default
+dcl_resource_texture2darray (float,float,float,float) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+utof r0.z, v1.x
+mov r0.xy, v2.xyxx
+sample r0.xyzw, r0.xyzx, t0.xyzw, s0
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1.000000)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 18 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleF2DArray[] = {
+    68,  88,  66,  67,  43,  191, 227, 129, 77,  88,  223, 209, 64,  17,  168, 91,  78,  216, 210,
+    134, 1,   0,   0,   0,   192, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   92,  1,
+    0,   0,   228, 1,   0,   0,   24,  2,   0,   0,   68,  4,   0,   0,   82,  68,  69,  70,  32,
+    1,   0,   0,   1,   0,   0,   0,   168, 0,   0,   0,   3,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   248, 0,   0,   0,   124, 0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   132, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   5,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    148, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   83,  97,  109, 112, 108, 101,
+    114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  50,  68,  65,  114, 114, 97,  121, 0,   83,
+    119, 105, 122, 122, 108, 101, 80,  114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171,
+    148, 0,   0,   0,   1,   0,   0,   0,   192, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   216, 0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,
+    0,   0,   232, 0,   0,   0,   0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110,
+    100, 105, 99,  101, 115, 0,   171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,
+    76,  83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114,
+    32,  49,  48,  46,  49,  0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,
+    0,   0,   0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,
+    0,   0,   0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,
+    86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,
+    82,  84,  65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,
+    69,  88,  67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,
+    0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,
+    0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,
+    84,  0,   171, 171, 83,  72,  68,  82,  36,  2,   0,   0,   64,  0,   0,   0,   137, 0,   0,
+    0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   90,  0,
+    0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  64,  0,   4,   0,   112, 16,  0,   0,
+    0,   0,   0,   85,  85,  0,   0,   100, 8,   0,   4,   18,  16,  16,  0,   1,   0,   0,   0,
+    4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,   0,   0,   101, 0,   0,
+    3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   105, 0,
+    0,   4,   0,   0,   0,   0,   6,   0,   0,   0,   4,   0,   0,   0,   86,  0,   0,   5,   66,
+    0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,   0,   0,   54,  0,   0,   5,
+    50,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,   69,  0,   0,
+    9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  126,
+    16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,
+    48,  32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,
+    54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,
+    0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   2,   0,
+    0,   0,   42,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,
+    0,   0,   0,   3,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,
+    18,  48,  32,  0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,
+    0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,
+    0,   0,   0,   0,   128, 63,  54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,
+    128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,
+    0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,
+    0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,
+    0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,
+    48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,
+    18,  0,   16,  0,   0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   54,  0,   0,   7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,
+    0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,
+    0,   0,   0,   58,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,
+    130, 32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,
+    0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   18,  0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    6,   0,   0,   0,   10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,
+    0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2dps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2dps.h
new file mode 100644
index 0000000000..091c3e29ea
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef2dps.h
@@ -0,0 +1,126 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF2D                        texture  float4          2d             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_sampler s0, mode_default
+dcl_resource_texture2d (float,float,float,float) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+sample r0.xyzw, v1.xyxx, t0.xyzw, s0
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1.000000)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 16 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleF2D[] = {
+    68,  88,  66,  67,  221, 55,  186, 66,  171, 208, 86,  211, 37,  150, 98,  209, 236, 60,  108,
+    41,  1,   0,   0,   0,   84,  4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   88,  1,
+    0,   0,   176, 1,   0,   0,   228, 1,   0,   0,   216, 3,   0,   0,   82,  68,  69,  70,  28,
+    1,   0,   0,   1,   0,   0,   0,   164, 0,   0,   0,   3,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   244, 0,   0,   0,   124, 0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   132, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   4,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    143, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   83,  97,  109, 112, 108, 101,
+    114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  50,  68,  0,   83,  119, 105, 122, 122, 108,
+    101, 80,  114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171, 171, 143, 0,   0,   0,
+    1,   0,   0,   0,   188, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   212, 0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   228, 0,
+    0,   0,   0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110, 100, 105, 99,  101,
+    115, 0,   171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,
+    83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,
+    49,  0,   73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,
+    15,  0,   0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,
+    0,   1,   0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,
+    78,  0,   84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,
+    0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,
+    84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  236, 1,   0,   0,   64,  0,
+    0,   0,   123, 0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   1,
+    0,   0,   0,   90,  0,   0,   3,   0,   96,  16,  0,   0,   0,   0,   0,   88,  24,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   85,  85,  0,   0,   98,  16,  0,   3,   50,  16,  16,
+    0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,
+    0,   2,   1,   0,   0,   0,   105, 0,   0,   4,   0,   0,   0,   0,   6,   0,   0,   0,   4,
+    0,   0,   0,   69,  0,   0,   9,   242, 0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,
+    1,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   0,   96,  16,  0,   0,   0,   0,
+    0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   10,  0,
+    16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   1,
+    0,   0,   0,   26,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,
+    0,   0,   0,   0,   2,   0,   0,   0,   42,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,
+    6,   18,  48,  32,  0,   0,   0,   0,   0,   3,   0,   0,   0,   58,  0,   16,  0,   0,   0,
+    0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   4,   0,   0,   0,   1,
+    64,  0,   0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,
+    5,   0,   0,   0,   1,   64,  0,   0,   0,   0,   128, 63,  54,  0,   0,   6,   18,  0,   16,
+    0,   0,   0,   0,   0,   10,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   7,   18,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,
+    0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,
+    26,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   34,  32,  16,
+    0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,
+    0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   42,  128, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   66,  32,  16,  0,   0,   0,   0,   0,
+    10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,
+    6,   18,  0,   16,  0,   0,   0,   0,   0,   58,  128, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   7,   130, 32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,
+    0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,
+    116, 0,   0,   0,   16,  0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   6,   0,   0,   0,   10,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef3dps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef3dps.h
new file mode 100644
index 0000000000..042cd18005
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlef3dps.h
@@ -0,0 +1,129 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// Sampler                           sampler      NA          NA             s0      1 
+// TextureF3D                        texture  float4          3d             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET   float   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_sampler s0, mode_default
+dcl_resource_texture3d (float,float,float,float) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+sample r0.xyzw, v2.xyzx, t0.xyzw, s0
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1.000000)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 16 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleF3D[] = {
+    68,  88,  66,  67,  73,  214, 47,  221, 178, 220, 225, 86,  113, 45,  198, 41,  129, 110, 186,
+    79,  1,   0,   0,   0,   132, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   88,  1,
+    0,   0,   224, 1,   0,   0,   20,  2,   0,   0,   8,   4,   0,   0,   82,  68,  69,  70,  28,
+    1,   0,   0,   1,   0,   0,   0,   164, 0,   0,   0,   3,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   244, 0,   0,   0,   124, 0,   0,   0,   3,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,
+    0,   0,   1,   0,   0,   0,   132, 0,   0,   0,   2,   0,   0,   0,   5,   0,   0,   0,   8,
+    0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,   0,   0,   13,  0,   0,   0,
+    143, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,   83,  97,  109, 112, 108, 101,
+    114, 0,   84,  101, 120, 116, 117, 114, 101, 70,  51,  68,  0,   83,  119, 105, 122, 122, 108,
+    101, 80,  114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171, 171, 143, 0,   0,   0,
+    1,   0,   0,   0,   188, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   212, 0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   228, 0,
+    0,   0,   0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110, 100, 105, 99,  101,
+    115, 0,   171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,
+    83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,
+    49,  0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,   80,
+    0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,
+    15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,   0,
+    0,   1,   0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,  79,
+    83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,  82,
+    71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,  79,
+    79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,
+    0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   0,
+    0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171,
+    83,  72,  68,  82,  236, 1,   0,   0,   64,  0,   0,   0,   123, 0,   0,   0,   89,  0,   0,
+    4,   70,  142, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   90,  0,   0,   3,   0,   96,
+    16,  0,   0,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   85,
+    85,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,   0,   101, 0,   0,   3,
+    242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   105, 0,   0,
+    4,   0,   0,   0,   0,   6,   0,   0,   0,   4,   0,   0,   0,   69,  0,   0,   9,   242, 0,
+    16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,   0,   0,   70,  126, 16,  0,   0,
+    0,   0,   0,   0,   96,  16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,
+    6,   18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,  0,   0,   0,
+    0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   42,
+    0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,
+    3,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,
+    0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   54,  0,
+    0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,  0,   0,   0,
+    0,   128, 63,  54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,  0,
+    0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   0,   0,   0,
+    0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,   0,   0,   0,
+    0,   0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,
+    0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,
+    0,   0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,
+    0,   7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,
+    0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,
+    58,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   130, 32,  16,
+    0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,
+    0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   16,  0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,
+    0,   10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2darrayps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2darrayps.h
new file mode 100644
index 0000000000..08c48427e2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2darrayps.h
@@ -0,0 +1,139 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI2DArray                   texture   sint4     2darray             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_resource_texture2darray (sint,sint,sint,sint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 22 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleI2DArray[] = {
+    68,  88,  66,  67,  212, 163, 121, 141, 10,  113, 132, 178, 58,  176, 145, 98,  43,  111, 211,
+    61,  1,   0,   0,   0,   228, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   52,  1,
+    0,   0,   188, 1,   0,   0,   240, 1,   0,   0,   104, 4,   0,   0,   82,  68,  69,  70,  248,
+    0,   0,   0,   1,   0,   0,   0,   128, 0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   208, 0,   0,   0,   92,  0,   0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   5,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   108, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,
+    84,  101, 120, 116, 117, 114, 101, 73,  50,  68,  65,  114, 114, 97,  121, 0,   83,  119, 105,
+    122, 122, 108, 101, 80,  114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171, 108, 0,
+    0,   0,   1,   0,   0,   0,   152, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   176, 0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,
+    192, 0,   0,   0,   0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110, 100, 105,
+    99,  101, 115, 0,   171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,
+    76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,
+    48,  46,  49,  0,   73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,
+    0,   80,  0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,
+    0,   0,   15,  0,   0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,
+    0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   3,   0,   0,   0,   2,   0,   0,   0,   7,   3,   0,   0,   83,  86,  95,
+    80,  79,  83,  73,  84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,
+    65,  82,  71,  69,  84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,
+    67,  79,  79,  82,  68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,
+    8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,
+    0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,
+    171, 171, 83,  72,  68,  82,  112, 2,   0,   0,   64,  0,   0,   0,   156, 0,   0,   0,   89,
+    0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   88,  64,  0,   4,
+    0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   100, 8,   0,   4,   18,  16,  16,
+    0,   1,   0,   0,   0,   4,   0,   0,   0,   98,  16,  0,   3,   50,  16,  16,  0,   2,   0,
+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,
+    0,   0,   0,   105, 0,   0,   4,   0,   0,   0,   0,   6,   0,   0,   0,   4,   0,   0,   0,
+    61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,   0,
+    0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   50,  0,   16,  0,   0,
+    0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,
+    0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,
+    0,   0,   54,  0,   0,   5,   130, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,
+    0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,  0,   0,
+    0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   2,   0,   0,   0,
+    42,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,
+    0,   3,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,
+    32,  0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,  0,   0,
+    1,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   0,   0,
+    0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,
+    4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,
+    16,  0,   0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,
+    10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,
+    0,   58,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   130, 32,
+    16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   22,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,
+    0,   0,   10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2dps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2dps.h
new file mode 100644
index 0000000000..fbce5942df
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei2dps.h
@@ -0,0 +1,132 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI2D                        texture   sint4          2d             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_resource_texture2d (sint,sint,sint,sint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 21 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleI2D[] = {
+    68,  88,  66,  67,  177, 45,  190, 185, 217, 208, 59,  28,  232, 250, 124, 179, 32,  246, 26,
+    206, 1,   0,   0,   0,   152, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   48,  1,
+    0,   0,   136, 1,   0,   0,   188, 1,   0,   0,   28,  4,   0,   0,   82,  68,  69,  70,  244,
+    0,   0,   0,   1,   0,   0,   0,   124, 0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   204, 0,   0,   0,   92,  0,   0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   103, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,
+    84,  101, 120, 116, 117, 114, 101, 73,  50,  68,  0,   83,  119, 105, 122, 122, 108, 101, 80,
+    114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171, 171, 103, 0,   0,   0,   1,   0,
+    0,   0,   148, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   172,
+    0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   188, 0,   0,   0,
+    0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110, 100, 105, 99,  101, 115, 0,
+    171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,
+    0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,
+    0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,
+    84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,
+    82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  88,  2,   0,   0,   64,  0,   0,   0,
+    150, 0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   1,   0,   0,
+    0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   51,  51,  0,   0,   98,  16,
+    0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,
+    0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   105, 0,   0,   4,   0,   0,   0,   0,
+    6,   0,   0,   0,   4,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,
+    0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56,
+    0,   0,   7,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   1,   0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,
+    0,   70,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   8,   194, 0,   16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,  0,   0,
+    0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   2,   0,   0,   0,
+    42,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,
+    0,   3,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,
+    32,  0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,  0,   0,
+    1,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   0,   0,
+    0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,
+    4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,
+    16,  0,   0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,
+    10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,
+    0,   58,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   130, 32,
+    16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   21,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,
+    0,   0,   10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei3dps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei3dps.h
new file mode 100644
index 0000000000..1ce3ce47c8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzlei3dps.h
@@ -0,0 +1,135 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureI3D                        texture   sint4          3d             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET     int   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_resource_texture3d (sint,sint,sint,sint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 21 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleI3D[] = {
+    68,  88,  66,  67,  239, 203, 72,  66,  58,  92,  169, 191, 239, 77,  187, 21,  109, 161, 64,
+    95,  1,   0,   0,   0,   188, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   48,  1,
+    0,   0,   184, 1,   0,   0,   236, 1,   0,   0,   64,  4,   0,   0,   82,  68,  69,  70,  244,
+    0,   0,   0,   1,   0,   0,   0,   124, 0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   204, 0,   0,   0,   92,  0,   0,   0,   2,   0,   0,
+    0,   3,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   103, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,
+    84,  101, 120, 116, 117, 114, 101, 73,  51,  68,  0,   83,  119, 105, 122, 122, 108, 101, 80,
+    114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171, 171, 103, 0,   0,   0,   1,   0,
+    0,   0,   148, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   172,
+    0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   188, 0,   0,   0,
+    0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110, 100, 105, 99,  101, 115, 0,
+    171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,
+    0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,
+    0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,  79,  83,  73,
+    84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,
+    84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,
+    68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,
+    32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,
+    68,  82,  76,  2,   0,   0,   64,  0,   0,   0,   147, 0,   0,   0,   89,  0,   0,   4,   70,
+    142, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,
+    0,   0,   0,   0,   51,  51,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,
+    0,   0,   105, 0,   0,   4,   0,   0,   0,   0,   6,   0,   0,   0,   4,   0,   0,   0,   61,
+    16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,
+    0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,   0,   0,   27,
+    0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,
+    54,  0,   0,   5,   130, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,
+    0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,
+    18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,  0,   0,   0,   0,
+    0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   42,  0,
+    16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   3,
+    0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,
+    0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,  0,   0,   1,   0,
+    0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   0,   0,   0,   0,
+    10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,
+    6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,
+    0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,
+    0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,
+    16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   58,
+    128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   130, 32,  16,  0,
+    0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,
+    0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   21,  0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,
+    10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2darrayps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2darrayps.h
new file mode 100644
index 0000000000..d3d479f7b0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2darrayps.h
@@ -0,0 +1,139 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI2DArray                  texture   uint4     2darray             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint   x   
+// TEXCOORD                 0   xyz         2     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_resource_texture2darray (uint,uint,uint,uint) t0
+dcl_input_ps_siv constant v1.x, rendertarget_array_index
+dcl_input_ps linear v2.xy
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v2.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.z, v1.x
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 22 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleUI2DArray[] = {
+    68,  88,  66,  67,  116, 247, 215, 129, 4,   49,  47,  120, 164, 87,  225, 112, 75,  76,  233,
+    53,  1,   0,   0,   0,   228, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   52,  1,
+    0,   0,   188, 1,   0,   0,   240, 1,   0,   0,   104, 4,   0,   0,   82,  68,  69,  70,  248,
+    0,   0,   0,   1,   0,   0,   0,   128, 0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
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+    0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   100, 8,   0,   4,   18,  16,  16,
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+    0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,
+    0,   0,   0,   105, 0,   0,   4,   0,   0,   0,   0,   6,   0,   0,   0,   4,   0,   0,   0,
+    61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,
+    0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,   50,  0,   16,  0,   0,   0,
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+    0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   70,  16,  16,  0,   2,   0,   0,   0,
+    27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,
+    0,   54,  0,   0,   5,   66,  0,   16,  0,   0,   0,   0,   0,   10,  16,  16,  0,   1,   0,
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+    0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,  0,   0,
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+    32,  0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,  0,   0,
+    1,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   0,   0,
+    0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,
+    4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,
+    16,  0,   0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,
+    10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,
+    0,   58,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   130, 32,
+    16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   22,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,
+    0,   0,   10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2dps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2dps.h
new file mode 100644
index 0000000000..b83bd117be
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui2dps.h
@@ -0,0 +1,132 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI2D                       texture   uint4          2d             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// TEXCOORD                 0   xy          1     NONE   float   xy  
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_resource_texture2d (uint,uint,uint,uint) t0
+dcl_input_ps linear v1.xy
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xy, r0.xyxx
+mul r0.xy, r0.xyxx, v1.xyxx
+ftoi r0.xy, r0.xyxx
+mov r0.zw, l(0,0,0,0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 21 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleUI2D[] = {
+    68,  88,  66,  67,  5,   230, 100, 22,  104, 28,  143, 55,  98,  102, 32,  210, 129, 6,   68,
+    183, 1,   0,   0,   0,   152, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   48,  1,
+    0,   0,   136, 1,   0,   0,   188, 1,   0,   0,   28,  4,   0,   0,   82,  68,  69,  70,  244,
+    0,   0,   0,   1,   0,   0,   0,   124, 0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   204, 0,   0,   0,   92,  0,   0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   4,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   104, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,
+    84,  101, 120, 116, 117, 114, 101, 85,  73,  50,  68,  0,   83,  119, 105, 122, 122, 108, 101,
+    80,  114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171, 104, 0,   0,   0,   1,   0,
+    0,   0,   148, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   172,
+    0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   188, 0,   0,   0,
+    0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110, 100, 105, 99,  101, 115, 0,
+    171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    73,  83,  71,  78,  80,  0,   0,   0,   2,   0,   0,   0,   8,   0,   0,   0,   56,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,
+    0,   0,   68,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   3,   0,   0,   0,   1,
+    0,   0,   0,   3,   3,   0,   0,   83,  86,  95,  80,  79,  83,  73,  84,  73,  79,  78,  0,
+    84,  69,  88,  67,  79,  79,  82,  68,  0,   171, 171, 171, 79,  83,  71,  78,  44,  0,   0,
+    0,   1,   0,   0,   0,   8,   0,   0,   0,   32,  0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   15,  0,   0,   0,   83,  86,  95,  84,  65,
+    82,  71,  69,  84,  0,   171, 171, 83,  72,  68,  82,  88,  2,   0,   0,   64,  0,   0,   0,
+    150, 0,   0,   0,   89,  0,   0,   4,   70,  142, 32,  0,   0,   0,   0,   0,   1,   0,   0,
+    0,   88,  24,  0,   4,   0,   112, 16,  0,   0,   0,   0,   0,   68,  68,  0,   0,   98,  16,
+    0,   3,   50,  16,  16,  0,   1,   0,   0,   0,   101, 0,   0,   3,   242, 32,  16,  0,   0,
+    0,   0,   0,   104, 0,   0,   2,   1,   0,   0,   0,   105, 0,   0,   4,   0,   0,   0,   0,
+    6,   0,   0,   0,   4,   0,   0,   0,   61,  16,  0,   7,   242, 0,   16,  0,   0,   0,   0,
+    0,   1,   64,  0,   0,   0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   86,  0,
+    0,   5,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,   56,
+    0,   0,   7,   50,  0,   16,  0,   0,   0,   0,   0,   70,  0,   16,  0,   0,   0,   0,   0,
+    70,  16,  16,  0,   1,   0,   0,   0,   27,  0,   0,   5,   50,  0,   16,  0,   0,   0,   0,
+    0,   70,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   8,   194, 0,   16,  0,   0,   0,
+    0,   0,   2,   64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,
+    0,   0,   0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,
+    0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,  0,   0,
+    0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   2,   0,   0,   0,
+    42,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,
+    0,   3,   0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,
+    32,  0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,  0,   0,
+    1,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   0,   0,
+    0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,
+    0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,   0,   0,
+    0,   0,   0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,
+    4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,
+    16,  0,   0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,
+    0,   0,   7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,
+    10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,
+    0,   58,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   130, 32,
+    16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,
+    0,   0,   0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   21,  0,   0,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,
+    0,   0,   10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,
+    0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui3dps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui3dps.h
new file mode 100644
index 0000000000..a7024e22db
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/shaders/compiled/swizzleui3dps.h
@@ -0,0 +1,135 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 10.1
+//
+//
+// Buffer Definitions: 
+//
+// cbuffer SwizzleProperties
+// {
+//
+//   uint4 SwizzleIndices;              // Offset:    0 Size:    16
+//
+// }
+//
+//
+// Resource Bindings:
+//
+// Name                                 Type  Format         Dim      HLSL Bind  Count
+// ------------------------------ ---------- ------- ----------- -------------- ------
+// TextureUI3D                       texture   uint4          3d             t0      1 
+// SwizzleProperties                 cbuffer      NA          NA            cb0      1 
+//
+//
+//
+// Input signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_POSITION              0   xyzw        0      POS   float       
+// SV_RENDERTARGETARRAYINDEX     0   x           1  RTINDEX    uint       
+// TEXCOORD                 0   xyz         2     NONE   float   xyz 
+//
+//
+// Output signature:
+//
+// Name                 Index   Mask Register SysValue  Format   Used
+// -------------------- ----- ------ -------- -------- ------- ------
+// SV_TARGET                0   xyzw        0   TARGET    uint   xyzw
+//
+ps_4_0
+dcl_constantbuffer CB0[1], immediateIndexed
+dcl_resource_texture3d (uint,uint,uint,uint) t0
+dcl_input_ps linear v2.xyz
+dcl_output o0.xyzw
+dcl_temps 1
+dcl_indexableTemp x0[6], 4
+resinfo_uint r0.xyzw, l(0), t0.xyzw
+utof r0.xyz, r0.xyzx
+mul r0.xyz, r0.xyzx, v2.xyzx
+ftoi r0.xyz, r0.xyzx
+mov r0.w, l(0)
+ld r0.xyzw, r0.xyzw, t0.xyzw
+mov x0[0].x, r0.x
+mov x0[1].x, r0.y
+mov x0[2].x, r0.z
+mov x0[3].x, r0.w
+mov x0[4].x, l(0)
+mov x0[5].x, l(1)
+mov r0.x, cb0[0].x
+mov o0.x, x0[r0.x + 0].x
+mov r0.x, cb0[0].y
+mov o0.y, x0[r0.x + 0].x
+mov r0.x, cb0[0].z
+mov o0.z, x0[r0.x + 0].x
+mov r0.x, cb0[0].w
+mov o0.w, x0[r0.x + 0].x
+ret 
+// Approximately 21 instruction slots used
+#endif
+
+const BYTE g_PS_SwizzleUI3D[] = {
+    68,  88,  66,  67,  234, 128, 119, 252, 97,  217, 113, 192, 202, 15,  92,  121, 106, 82,  46,
+    102, 1,   0,   0,   0,   188, 4,   0,   0,   5,   0,   0,   0,   52,  0,   0,   0,   48,  1,
+    0,   0,   184, 1,   0,   0,   236, 1,   0,   0,   64,  4,   0,   0,   82,  68,  69,  70,  244,
+    0,   0,   0,   1,   0,   0,   0,   124, 0,   0,   0,   2,   0,   0,   0,   28,  0,   0,   0,
+    0,   4,   255, 255, 0,   1,   0,   0,   204, 0,   0,   0,   92,  0,   0,   0,   2,   0,   0,
+    0,   4,   0,   0,   0,   8,   0,   0,   0,   255, 255, 255, 255, 0,   0,   0,   0,   1,   0,
+    0,   0,   13,  0,   0,   0,   104, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   1,   0,   0,   0,
+    84,  101, 120, 116, 117, 114, 101, 85,  73,  51,  68,  0,   83,  119, 105, 122, 122, 108, 101,
+    80,  114, 111, 112, 101, 114, 116, 105, 101, 115, 0,   171, 171, 104, 0,   0,   0,   1,   0,
+    0,   0,   148, 0,   0,   0,   16,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   172,
+    0,   0,   0,   0,   0,   0,   0,   16,  0,   0,   0,   2,   0,   0,   0,   188, 0,   0,   0,
+    0,   0,   0,   0,   83,  119, 105, 122, 122, 108, 101, 73,  110, 100, 105, 99,  101, 115, 0,
+    171, 1,   0,   19,  0,   1,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,   77,  105,
+    99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,  32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  49,  48,  46,  49,  0,
+    73,  83,  71,  78,  128, 0,   0,   0,   3,   0,   0,   0,   8,   0,   0,   0,   80,  0,   0,
+    0,   0,   0,   0,   0,   1,   0,   0,   0,   3,   0,   0,   0,   0,   0,   0,   0,   15,  0,
+    0,   0,   92,  0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   1,   0,   0,   0,   1,
+    0,   0,   0,   1,   0,   0,   0,   118, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    3,   0,   0,   0,   2,   0,   0,   0,   7,   7,   0,   0,   83,  86,  95,  80,  79,  83,  73,
+    84,  73,  79,  78,  0,   83,  86,  95,  82,  69,  78,  68,  69,  82,  84,  65,  82,  71,  69,
+    84,  65,  82,  82,  65,  89,  73,  78,  68,  69,  88,  0,   84,  69,  88,  67,  79,  79,  82,
+    68,  0,   171, 79,  83,  71,  78,  44,  0,   0,   0,   1,   0,   0,   0,   8,   0,   0,   0,
+    32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,
+    0,   15,  0,   0,   0,   83,  86,  95,  84,  65,  82,  71,  69,  84,  0,   171, 171, 83,  72,
+    68,  82,  76,  2,   0,   0,   64,  0,   0,   0,   147, 0,   0,   0,   89,  0,   0,   4,   70,
+    142, 32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   88,  40,  0,   4,   0,   112, 16,  0,
+    0,   0,   0,   0,   68,  68,  0,   0,   98,  16,  0,   3,   114, 16,  16,  0,   2,   0,   0,
+    0,   101, 0,   0,   3,   242, 32,  16,  0,   0,   0,   0,   0,   104, 0,   0,   2,   1,   0,
+    0,   0,   105, 0,   0,   4,   0,   0,   0,   0,   6,   0,   0,   0,   4,   0,   0,   0,   61,
+    16,  0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,
+    70,  126, 16,  0,   0,   0,   0,   0,   86,  0,   0,   5,   114, 0,   16,  0,   0,   0,   0,
+    0,   70,  2,   16,  0,   0,   0,   0,   0,   56,  0,   0,   7,   114, 0,   16,  0,   0,   0,
+    0,   0,   70,  2,   16,  0,   0,   0,   0,   0,   70,  18,  16,  0,   2,   0,   0,   0,   27,
+    0,   0,   5,   114, 0,   16,  0,   0,   0,   0,   0,   70,  2,   16,  0,   0,   0,   0,   0,
+    54,  0,   0,   5,   130, 0,   16,  0,   0,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,
+    0,   45,  0,   0,   7,   242, 0,   16,  0,   0,   0,   0,   0,   70,  14,  16,  0,   0,   0,
+    0,   0,   70,  126, 16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,
+    18,  48,  32,  0,   0,   0,   0,   0,   1,   0,   0,   0,   26,  0,   16,  0,   0,   0,   0,
+    0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   2,   0,   0,   0,   42,  0,
+    16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,   0,   0,   0,   0,   3,
+    0,   0,   0,   58,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  48,  32,  0,
+    0,   0,   0,   0,   4,   0,   0,   0,   1,   64,  0,   0,   0,   0,   0,   0,   54,  0,   0,
+    6,   18,  48,  32,  0,   0,   0,   0,   0,   5,   0,   0,   0,   1,   64,  0,   0,   1,   0,
+    0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   10,  128, 32,  0,   0,
+    0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   18,  32,  16,  0,   0,   0,   0,   0,
+    10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,
+    6,   18,  0,   16,  0,   0,   0,   0,   0,   26,  128, 32,  0,   0,   0,   0,   0,   0,   0,
+    0,   0,   54,  0,   0,   7,   34,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,
+    0,   0,   0,   10,  0,   16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,
+    0,   0,   0,   0,   42,  128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,
+    7,   66,  32,  16,  0,   0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,
+    16,  0,   0,   0,   0,   0,   54,  0,   0,   6,   18,  0,   16,  0,   0,   0,   0,   0,   58,
+    128, 32,  0,   0,   0,   0,   0,   0,   0,   0,   0,   54,  0,   0,   7,   130, 32,  16,  0,
+    0,   0,   0,   0,   10,  48,  32,  4,   0,   0,   0,   0,   10,  0,   16,  0,   0,   0,   0,
+    0,   62,  0,   0,   1,   83,  84,  65,  84,  116, 0,   0,   0,   21,  0,   0,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,
+    10,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   5,   0,   0,   0,   0,   0,
+    0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.cpp
new file mode 100644
index 0000000000..a9dfec56b8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.cpp
@@ -0,0 +1,35 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Helper routines for the D3D11 texture format table.
+
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+#include "libANGLE/renderer/load_functions_table.h"
+
+namespace rx
+{
+
+namespace d3d11
+{
+
+const Format &Format::getSwizzleFormat(const Renderer11DeviceCaps &deviceCaps) const
+{
+    return (swizzleFormat == internalFormat ? *this : Format::Get(swizzleFormat, deviceCaps));
+}
+
+LoadFunctionMap Format::getLoadFunctions() const
+{
+    return GetLoadFunctionsMap(internalFormat, formatID);
+}
+
+const angle::Format &Format::format() const
+{
+    return angle::Format::Get(formatID);
+}
+
+}  // namespace d3d11
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.h
new file mode 100644
index 0000000000..1797476f62
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table.h
@@ -0,0 +1,118 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// texture_format_table:
+//   Queries for full textureFormat information based on internalFormat
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
+
+#include <map>
+
+#include "common/angleutils.h"
+#include "common/platform.h"
+#include "libANGLE/renderer/Format.h"
+#include "libANGLE/renderer/d3d/formatutilsD3D.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace rx
+{
+
+struct Renderer11DeviceCaps;
+
+namespace d3d11
+{
+
+// For sized GL internal formats, there are several possible corresponding D3D11 formats depending
+// on device capabilities.
+// This structure allows querying for the DXGI texture formats to use for textures, SRVs, RTVs and
+// DSVs given a GL internal format.
+struct Format final : private angle::NonCopyable
+{
+    inline constexpr Format();
+    inline constexpr Format(GLenum internalFormat,
+                            angle::FormatID formatID,
+                            DXGI_FORMAT texFormat,
+                            DXGI_FORMAT srvFormat,
+                            DXGI_FORMAT uavFormat,
+                            DXGI_FORMAT rtvFormat,
+                            DXGI_FORMAT dsvFormat,
+                            DXGI_FORMAT blitSRVFormat,
+                            DXGI_FORMAT stencilSRVFormat,
+                            DXGI_FORMAT typelessFormat,
+                            GLenum swizzleFormat,
+                            InitializeTextureDataFunction internalFormatInitializer);
+
+    static const Format &Get(GLenum internalFormat, const Renderer11DeviceCaps &deviceCaps);
+
+    const Format &getSwizzleFormat(const Renderer11DeviceCaps &deviceCaps) const;
+    LoadFunctionMap getLoadFunctions() const;
+    const angle::Format &format() const;
+
+    GLenum internalFormat;
+    angle::FormatID formatID;
+
+    DXGI_FORMAT texFormat;
+    DXGI_FORMAT srvFormat;
+    DXGI_FORMAT uavFormat;
+    DXGI_FORMAT rtvFormat;
+    DXGI_FORMAT dsvFormat;
+
+    DXGI_FORMAT blitSRVFormat;
+    DXGI_FORMAT stencilSRVFormat;
+    DXGI_FORMAT typelessFormat;
+
+    GLenum swizzleFormat;
+
+    InitializeTextureDataFunction dataInitializerFunction;
+};
+
+constexpr Format::Format()
+    : internalFormat(GL_NONE),
+      formatID(angle::FormatID::NONE),
+      texFormat(DXGI_FORMAT_UNKNOWN),
+      srvFormat(DXGI_FORMAT_UNKNOWN),
+      uavFormat(DXGI_FORMAT_UNKNOWN),
+      rtvFormat(DXGI_FORMAT_UNKNOWN),
+      dsvFormat(DXGI_FORMAT_UNKNOWN),
+      blitSRVFormat(DXGI_FORMAT_UNKNOWN),
+      stencilSRVFormat(DXGI_FORMAT_UNKNOWN),
+      typelessFormat(DXGI_FORMAT_UNKNOWN),
+      swizzleFormat(GL_NONE),
+      dataInitializerFunction(nullptr)
+{}
+
+constexpr Format::Format(GLenum internalFormat,
+                         angle::FormatID formatID,
+                         DXGI_FORMAT texFormat,
+                         DXGI_FORMAT srvFormat,
+                         DXGI_FORMAT uavFormat,
+                         DXGI_FORMAT rtvFormat,
+                         DXGI_FORMAT dsvFormat,
+                         DXGI_FORMAT blitSRVFormat,
+                         DXGI_FORMAT stencilSRVFormat,
+                         DXGI_FORMAT typelessFormat,
+                         GLenum swizzleFormat,
+                         InitializeTextureDataFunction internalFormatInitializer)
+    : internalFormat(internalFormat),
+      formatID(formatID),
+      texFormat(texFormat),
+      srvFormat(srvFormat),
+      uavFormat(uavFormat),
+      rtvFormat(rtvFormat),
+      dsvFormat(dsvFormat),
+      blitSRVFormat(blitSRVFormat),
+      stencilSRVFormat(stencilSRVFormat),
+      typelessFormat(typelessFormat),
+      swizzleFormat(swizzleFormat),
+      dataInitializerFunction(internalFormatInitializer)
+{}
+
+}  // namespace d3d11
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table_autogen.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table_autogen.cpp
new file mode 100644
index 0000000000..39d03a93fd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table_autogen.cpp
@@ -0,0 +1,3269 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_texture_format_table.py using data from texture_format_data.json
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// texture_format_table:
+//   Queries for full textureFormat information based in internalFormat
+//
+
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
+
+#include "image_util/copyimage.h"
+#include "image_util/generatemip.h"
+#include "image_util/loadimage.h"
+
+#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+#include "libANGLE/renderer/d3d/d3d11/texture_format_table_utils.h"
+
+using namespace angle;
+
+namespace rx
+{
+
+namespace d3d11
+{
+
+// static
+const Format &Format::Get(GLenum internalFormat, const Renderer11DeviceCaps &deviceCaps)
+{
+    // clang-format off
+    switch (internalFormat)
+    {
+        case GL_ALPHA16F_EXT:
+        {
+            static constexpr Format info(GL_ALPHA16F_EXT,
+                                         angle::FormatID::R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16F,
+                                         nullptr);
+            return info;
+        }
+        case GL_ALPHA32F_EXT:
+        {
+            static constexpr Format info(GL_ALPHA32F_EXT,
+                                         angle::FormatID::R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_ALPHA8_EXT:
+        {
+            if (OnlyFL10Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_ALPHA8_EXT,
+                                             angle::FormatID::A8_UNORM,
+                                             DXGI_FORMAT_A8_UNORM,
+                                             DXGI_FORMAT_A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_ALPHA8_EXT,
+                                             angle::FormatID::R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_BGR10_A2_ANGLEX:
+        {
+            static constexpr Format info(GL_BGR10_A2_ANGLEX,
+                                         angle::FormatID::B10G10R10A2_UNORM,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_BGR565_ANGLEX:
+        {
+            if (SupportsFormat(DXGI_FORMAT_B5G6R5_UNORM, deviceCaps))
+            {
+                static constexpr Format info(GL_BGR565_ANGLEX,
+                                             angle::FormatID::B5G6R5_UNORM,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_BGR565_ANGLEX,
+                                             angle::FormatID::R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_BGR5_A1_ANGLEX:
+        {
+            static constexpr Format info(GL_BGR5_A1_ANGLEX,
+                                         angle::FormatID::B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_TYPELESS,
+                                         GL_BGRA8_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_BGRA4_ANGLEX:
+        {
+            static constexpr Format info(GL_BGRA4_ANGLEX,
+                                         angle::FormatID::B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_TYPELESS,
+                                         GL_BGRA8_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_BGRA8_EXT:
+        {
+            static constexpr Format info(GL_BGRA8_EXT,
+                                         angle::FormatID::B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_TYPELESS,
+                                         GL_BGRA8_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_BGRA8_SRGB_ANGLEX:
+        {
+            static constexpr Format info(GL_BGRA8_SRGB_ANGLEX,
+                                         angle::FormatID::B8G8R8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_B8G8R8A8_TYPELESS,
+                                         GL_BGRA8_SRGB_ANGLEX,
+                                         nullptr);
+            return info;
+        }
+        case GL_BGRX8_ANGLEX:
+        {
+            if (OnlyFL11_1Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_BGRX8_ANGLEX,
+                                             angle::FormatID::B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B8G8R8X8_TYPELESS,
+                                             GL_BGRX8_ANGLEX,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_BGRX8_ANGLEX,
+                                             angle::FormatID::R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_COMPRESSED_R11_EAC:
+        {
+            static constexpr Format info(GL_COMPRESSED_R11_EAC,
+                                         angle::FormatID::R16_UNORM,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_RED_GREEN_RGTC2_EXT,
+                                         angle::FormatID::BC5_RG_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC5_UNORM,
+                                         DXGI_FORMAT_BC5_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC5_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_RED_RGTC1_EXT,
+                                         angle::FormatID::BC4_RED_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC4_UNORM,
+                                         DXGI_FORMAT_BC4_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC4_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RG11_EAC:
+        {
+            static constexpr Format info(GL_COMPRESSED_RG11_EAC,
+                                         angle::FormatID::R16G16_UNORM,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGB8_ETC2:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB8_ETC2,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE,
+                                         angle::FormatID::BC1_RGB_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE,
+                                         angle::FormatID::BC1_RGBA_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA8_ETC2_EAC:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA8_ETC2_EAC,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_10x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_10x8_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_12x10_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_3x3x3_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_4x3x3_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_4x4_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_4x4x3_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_4x4x4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_5x4x4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_5x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_5x5x4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_5x5x5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_6x5x5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_6x6_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_6x6x5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_6x6x6_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_8x6_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_BPTC_UNORM_EXT,
+                                         angle::FormatID::BC7_RGBA_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC7_UNORM,
+                                         DXGI_FORMAT_BC7_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC7_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
+                                         angle::FormatID::BC1_RGBA_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE,
+                                         angle::FormatID::BC2_RGBA_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC2_UNORM,
+                                         DXGI_FORMAT_BC2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE,
+                                         angle::FormatID::BC3_RGBA_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC3_UNORM,
+                                         DXGI_FORMAT_BC3_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC3_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT,
+                                         angle::FormatID::BC6H_RGB_SFLOAT_BLOCK,
+                                         DXGI_FORMAT_BC6H_SF16,
+                                         DXGI_FORMAT_BC6H_SF16,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC6H_SF16,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT,
+                                         angle::FormatID::BC6H_RGB_UFLOAT_BLOCK,
+                                         DXGI_FORMAT_BC6H_UF16,
+                                         DXGI_FORMAT_BC6H_UF16,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC6H_UF16,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
+                                         angle::FormatID::BC1_RGB_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SIGNED_R11_EAC:
+        {
+            static constexpr Format info(GL_COMPRESSED_SIGNED_R11_EAC,
+                                         angle::FormatID::R16_SNORM,
+                                         DXGI_FORMAT_R16_SNORM,
+                                         DXGI_FORMAT_R16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_TYPELESS,
+                                         GL_RGBA16_SNORM_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT,
+                                         angle::FormatID::BC5_RG_SNORM_BLOCK,
+                                         DXGI_FORMAT_BC5_SNORM,
+                                         DXGI_FORMAT_BC5_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC5_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8_SNORM,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SIGNED_RED_RGTC1_EXT,
+                                         angle::FormatID::BC4_RED_SNORM_BLOCK,
+                                         DXGI_FORMAT_BC4_SNORM,
+                                         DXGI_FORMAT_BC4_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC4_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8_SNORM,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SIGNED_RG11_EAC:
+        {
+            static constexpr Format info(GL_COMPRESSED_SIGNED_RG11_EAC,
+                                         angle::FormatID::R16G16_SNORM,
+                                         DXGI_FORMAT_R16G16_SNORM,
+                                         DXGI_FORMAT_R16G16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_TYPELESS,
+                                         GL_RGBA16_SNORM_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,
+                                         angle::FormatID::R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_SRGB8_ALPHA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_ETC2:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_ETC2,
+                                         angle::FormatID::R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_SRGB8_ALPHA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE,
+                                         angle::FormatID::BC1_RGB_UNORM_SRGB_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
+                                         angle::FormatID::R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_SRGB8_ALPHA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE,
+                                         angle::FormatID::BC1_RGBA_UNORM_SRGB_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT,
+                                         angle::FormatID::BC7_RGBA_UNORM_SRGB_BLOCK,
+                                         DXGI_FORMAT_BC7_UNORM_SRGB,
+                                         DXGI_FORMAT_BC7_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC7_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_SRGB8_ALPHA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,
+                                         angle::FormatID::BC1_RGBA_UNORM_SRGB_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT,
+                                         angle::FormatID::BC2_RGBA_UNORM_SRGB_BLOCK,
+                                         DXGI_FORMAT_BC2_UNORM_SRGB,
+                                         DXGI_FORMAT_BC2_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC2_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,
+                                         angle::FormatID::BC3_RGBA_UNORM_SRGB_BLOCK,
+                                         DXGI_FORMAT_BC3_UNORM_SRGB,
+                                         DXGI_FORMAT_BC3_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC3_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+        {
+            static constexpr Format info(GL_COMPRESSED_SRGB_S3TC_DXT1_EXT,
+                                         angle::FormatID::BC1_RGB_UNORM_SRGB_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_DEPTH24_STENCIL8:
+        {
+            if (OnlyFL10Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_DEPTH24_STENCIL8,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24G8_TYPELESS,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_X24_TYPELESS_G8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_DEPTH24_STENCIL8,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_DEPTH32F_STENCIL8:
+        {
+            static constexpr Format info(GL_DEPTH32F_STENCIL8,
+                                         angle::FormatID::D32_FLOAT_S8X24_UINT,
+                                         DXGI_FORMAT_R32G8X24_TYPELESS,
+                                         DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_D32_FLOAT_S8X24_UINT,
+                                         DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS,
+                                         DXGI_FORMAT_X32_TYPELESS_G8X24_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_DEPTH_COMPONENT16:
+        {
+            if (OnlyFL10Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_DEPTH_COMPONENT16,
+                                             angle::FormatID::D16_UNORM,
+                                             DXGI_FORMAT_R16_TYPELESS,
+                                             DXGI_FORMAT_R16_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D16_UNORM,
+                                             DXGI_FORMAT_R16_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA16_EXT,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_DEPTH_COMPONENT16,
+                                             angle::FormatID::D16_UNORM,
+                                             DXGI_FORMAT_D16_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D16_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA16_EXT,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_DEPTH_COMPONENT24:
+        {
+            if (OnlyFL10Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_DEPTH_COMPONENT24,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24G8_TYPELESS,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_X24_TYPELESS_G8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_DEPTH_COMPONENT24,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_DEPTH_COMPONENT32F:
+        {
+            static constexpr Format info(GL_DEPTH_COMPONENT32F,
+                                         angle::FormatID::D32_FLOAT,
+                                         DXGI_FORMAT_R32_TYPELESS,
+                                         DXGI_FORMAT_R32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_D32_FLOAT,
+                                         DXGI_FORMAT_R32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_DEPTH_COMPONENT32_OES:
+        {
+            if (OnlyFL10Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_DEPTH_COMPONENT32_OES,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24G8_TYPELESS,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_X24_TYPELESS_G8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_DEPTH_COMPONENT32_OES,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_ETC1_RGB8_LOSSY_DECODE_ANGLE:
+        {
+            static constexpr Format info(GL_ETC1_RGB8_LOSSY_DECODE_ANGLE,
+                                         angle::FormatID::BC1_RGB_UNORM_BLOCK,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_BC1_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_ETC1_RGB8_OES:
+        {
+            static constexpr Format info(GL_ETC1_RGB8_OES,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+        {
+            static constexpr Format info(GL_G8_B8R8_2PLANE_420_UNORM_ANGLE,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+        {
+            static constexpr Format info(GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_LUMINANCE16F_EXT:
+        {
+            static constexpr Format info(GL_LUMINANCE16F_EXT,
+                                         angle::FormatID::R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16F,
+                                         Initialize4ComponentData<GLhalf, 0x0000, 0x0000, 0x0000, gl::Float16One>);
+            return info;
+        }
+        case GL_LUMINANCE32F_EXT:
+        {
+            static constexpr Format info(GL_LUMINANCE32F_EXT,
+                                         angle::FormatID::R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32F,
+                                         Initialize4ComponentData<GLfloat, 0x00000000, 0x00000000, 0x00000000, gl::Float32One>);
+            return info;
+        }
+        case GL_LUMINANCE8_ALPHA8_EXT:
+        {
+            static constexpr Format info(GL_LUMINANCE8_ALPHA8_EXT,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_LUMINANCE8_EXT:
+        {
+            static constexpr Format info(GL_LUMINANCE8_EXT,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_LUMINANCE_ALPHA16F_EXT:
+        {
+            static constexpr Format info(GL_LUMINANCE_ALPHA16F_EXT,
+                                         angle::FormatID::R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16F,
+                                         nullptr);
+            return info;
+        }
+        case GL_LUMINANCE_ALPHA32F_EXT:
+        {
+            static constexpr Format info(GL_LUMINANCE_ALPHA32F_EXT,
+                                         angle::FormatID::R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_NONE:
+        {
+            static constexpr Format info(GL_NONE,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE4_R5_G6_B5_OES:
+        {
+            static constexpr Format info(GL_PALETTE4_R5_G6_B5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE4_RGB5_A1_OES:
+        {
+            static constexpr Format info(GL_PALETTE4_RGB5_A1_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE4_RGB8_OES:
+        {
+            static constexpr Format info(GL_PALETTE4_RGB8_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE4_RGBA4_OES:
+        {
+            static constexpr Format info(GL_PALETTE4_RGBA4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE4_RGBA8_OES:
+        {
+            static constexpr Format info(GL_PALETTE4_RGBA8_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE8_R5_G6_B5_OES:
+        {
+            static constexpr Format info(GL_PALETTE8_R5_G6_B5_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE8_RGB5_A1_OES:
+        {
+            static constexpr Format info(GL_PALETTE8_RGB5_A1_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE8_RGB8_OES:
+        {
+            static constexpr Format info(GL_PALETTE8_RGB8_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE8_RGBA4_OES:
+        {
+            static constexpr Format info(GL_PALETTE8_RGBA4_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_PALETTE8_RGBA8_OES:
+        {
+            static constexpr Format info(GL_PALETTE8_RGBA8_OES,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_R11F_G11F_B10F:
+        {
+            static constexpr Format info(GL_R11F_G11F_B10F,
+                                         angle::FormatID::R11G11B10_FLOAT,
+                                         DXGI_FORMAT_R11G11B10_FLOAT,
+                                         DXGI_FORMAT_R11G11B10_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R11G11B10_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R11G11B10_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA16F_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_R16F:
+        {
+            static constexpr Format info(GL_R16F,
+                                         angle::FormatID::R16_FLOAT,
+                                         DXGI_FORMAT_R16_FLOAT,
+                                         DXGI_FORMAT_R16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_TYPELESS,
+                                         GL_RGBA16F_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_R16I:
+        {
+            static constexpr Format info(GL_R16I,
+                                         angle::FormatID::R16_SINT,
+                                         DXGI_FORMAT_R16_SINT,
+                                         DXGI_FORMAT_R16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_TYPELESS,
+                                         GL_RGBA16I,
+                                         nullptr);
+            return info;
+        }
+        case GL_R16UI:
+        {
+            static constexpr Format info(GL_R16UI,
+                                         angle::FormatID::R16_UINT,
+                                         DXGI_FORMAT_R16_UINT,
+                                         DXGI_FORMAT_R16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_TYPELESS,
+                                         GL_RGBA16I,
+                                         nullptr);
+            return info;
+        }
+        case GL_R16_EXT:
+        {
+            static constexpr Format info(GL_R16_EXT,
+                                         angle::FormatID::R16_UNORM,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_R16_SNORM_EXT:
+        {
+            static constexpr Format info(GL_R16_SNORM_EXT,
+                                         angle::FormatID::R16_SNORM,
+                                         DXGI_FORMAT_R16_SNORM,
+                                         DXGI_FORMAT_R16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16_TYPELESS,
+                                         GL_RGBA16_SNORM_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_R32F:
+        {
+            static constexpr Format info(GL_R32F,
+                                         angle::FormatID::R32_FLOAT,
+                                         DXGI_FORMAT_R32_FLOAT,
+                                         DXGI_FORMAT_R32_FLOAT,
+                                         DXGI_FORMAT_R32_FLOAT,
+                                         DXGI_FORMAT_R32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32_TYPELESS,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_R32I:
+        {
+            static constexpr Format info(GL_R32I,
+                                         angle::FormatID::R32_SINT,
+                                         DXGI_FORMAT_R32_SINT,
+                                         DXGI_FORMAT_R32_SINT,
+                                         DXGI_FORMAT_R32_SINT,
+                                         DXGI_FORMAT_R32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32_TYPELESS,
+                                         GL_RGBA32I,
+                                         nullptr);
+            return info;
+        }
+        case GL_R32UI:
+        {
+            static constexpr Format info(GL_R32UI,
+                                         angle::FormatID::R32_UINT,
+                                         DXGI_FORMAT_R32_UINT,
+                                         DXGI_FORMAT_R32_UINT,
+                                         DXGI_FORMAT_R32_UINT,
+                                         DXGI_FORMAT_R32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32_TYPELESS,
+                                         GL_RGBA32I,
+                                         nullptr);
+            return info;
+        }
+        case GL_R8:
+        {
+            static constexpr Format info(GL_R8,
+                                         angle::FormatID::R8_UNORM,
+                                         DXGI_FORMAT_R8_UNORM,
+                                         DXGI_FORMAT_R8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_TYPELESS,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_R8I:
+        {
+            static constexpr Format info(GL_R8I,
+                                         angle::FormatID::R8_SINT,
+                                         DXGI_FORMAT_R8_SINT,
+                                         DXGI_FORMAT_R8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_TYPELESS,
+                                         GL_RGBA8I,
+                                         nullptr);
+            return info;
+        }
+        case GL_R8UI:
+        {
+            static constexpr Format info(GL_R8UI,
+                                         angle::FormatID::R8_UINT,
+                                         DXGI_FORMAT_R8_UINT,
+                                         DXGI_FORMAT_R8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_TYPELESS,
+                                         GL_RGBA8I,
+                                         nullptr);
+            return info;
+        }
+        case GL_R8_SNORM:
+        {
+            static constexpr Format info(GL_R8_SNORM,
+                                         angle::FormatID::R8_SNORM,
+                                         DXGI_FORMAT_R8_SNORM,
+                                         DXGI_FORMAT_R8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8_TYPELESS,
+                                         GL_RGBA8_SNORM,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG16F:
+        {
+            static constexpr Format info(GL_RG16F,
+                                         angle::FormatID::R16G16_FLOAT,
+                                         DXGI_FORMAT_R16G16_FLOAT,
+                                         DXGI_FORMAT_R16G16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_TYPELESS,
+                                         GL_RGBA16F_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG16I:
+        {
+            static constexpr Format info(GL_RG16I,
+                                         angle::FormatID::R16G16_SINT,
+                                         DXGI_FORMAT_R16G16_SINT,
+                                         DXGI_FORMAT_R16G16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_TYPELESS,
+                                         GL_RGBA16I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG16UI:
+        {
+            static constexpr Format info(GL_RG16UI,
+                                         angle::FormatID::R16G16_UINT,
+                                         DXGI_FORMAT_R16G16_UINT,
+                                         DXGI_FORMAT_R16G16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_TYPELESS,
+                                         GL_RGBA16I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG16_EXT:
+        {
+            static constexpr Format info(GL_RG16_EXT,
+                                         angle::FormatID::R16G16_UNORM,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG16_SNORM_EXT:
+        {
+            static constexpr Format info(GL_RG16_SNORM_EXT,
+                                         angle::FormatID::R16G16_SNORM,
+                                         DXGI_FORMAT_R16G16_SNORM,
+                                         DXGI_FORMAT_R16G16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16_TYPELESS,
+                                         GL_RGBA16_SNORM_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG32F:
+        {
+            static constexpr Format info(GL_RG32F,
+                                         angle::FormatID::R32G32_FLOAT,
+                                         DXGI_FORMAT_R32G32_FLOAT,
+                                         DXGI_FORMAT_R32G32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_TYPELESS,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG32I:
+        {
+            static constexpr Format info(GL_RG32I,
+                                         angle::FormatID::R32G32_SINT,
+                                         DXGI_FORMAT_R32G32_SINT,
+                                         DXGI_FORMAT_R32G32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_TYPELESS,
+                                         GL_RGBA32I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG32UI:
+        {
+            static constexpr Format info(GL_RG32UI,
+                                         angle::FormatID::R32G32_UINT,
+                                         DXGI_FORMAT_R32G32_UINT,
+                                         DXGI_FORMAT_R32G32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32_TYPELESS,
+                                         GL_RGBA32I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG8:
+        {
+            static constexpr Format info(GL_RG8,
+                                         angle::FormatID::R8G8_UNORM,
+                                         DXGI_FORMAT_R8G8_UNORM,
+                                         DXGI_FORMAT_R8G8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_TYPELESS,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG8I:
+        {
+            static constexpr Format info(GL_RG8I,
+                                         angle::FormatID::R8G8_SINT,
+                                         DXGI_FORMAT_R8G8_SINT,
+                                         DXGI_FORMAT_R8G8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_TYPELESS,
+                                         GL_RGBA8I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG8UI:
+        {
+            static constexpr Format info(GL_RG8UI,
+                                         angle::FormatID::R8G8_UINT,
+                                         DXGI_FORMAT_R8G8_UINT,
+                                         DXGI_FORMAT_R8G8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_TYPELESS,
+                                         GL_RGBA8I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RG8_SNORM:
+        {
+            static constexpr Format info(GL_RG8_SNORM,
+                                         angle::FormatID::R8G8_SNORM,
+                                         DXGI_FORMAT_R8G8_SNORM,
+                                         DXGI_FORMAT_R8G8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8_TYPELESS,
+                                         GL_RGBA8_SNORM,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGB:
+        {
+            static constexpr Format info(GL_RGB,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_RGB10_A2:
+        {
+            static constexpr Format info(GL_RGB10_A2,
+                                         angle::FormatID::R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGB10_A2UI:
+        {
+            static constexpr Format info(GL_RGB10_A2UI,
+                                         angle::FormatID::R10G10B10A2_UINT,
+                                         DXGI_FORMAT_R10G10B10A2_UINT,
+                                         DXGI_FORMAT_R10G10B10A2_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_TYPELESS,
+                                         GL_RGBA16I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGB10_UNORM_ANGLEX:
+        {
+            static constexpr Format info(GL_RGB10_UNORM_ANGLEX,
+                                         angle::FormatID::R10G10B10X2_UNORM,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R10G10B10A2_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGB16F:
+        {
+            static constexpr Format info(GL_RGB16F,
+                                         angle::FormatID::R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16F,
+                                         Initialize4ComponentData<GLhalf, 0x0000, 0x0000, 0x0000, gl::Float16One>);
+            return info;
+        }
+        case GL_RGB16I:
+        {
+            static constexpr Format info(GL_RGB16I,
+                                         angle::FormatID::R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16I,
+                                         Initialize4ComponentData<GLshort, 0x0000, 0x0000, 0x0000, 0x0001>);
+            return info;
+        }
+        case GL_RGB16UI:
+        {
+            static constexpr Format info(GL_RGB16UI,
+                                         angle::FormatID::R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16UI,
+                                         Initialize4ComponentData<GLushort, 0x0000, 0x0000, 0x0000, 0x0001>);
+            return info;
+        }
+        case GL_RGB16_EXT:
+        {
+            static constexpr Format info(GL_RGB16_EXT,
+                                         angle::FormatID::R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         Initialize4ComponentData<GLubyte, 0x0000, 0x0000, 0x0000, 0xFFFF>);
+            return info;
+        }
+        case GL_RGB16_SNORM_EXT:
+        {
+            static constexpr Format info(GL_RGB16_SNORM_EXT,
+                                         angle::FormatID::R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16_SNORM_EXT,
+                                         Initialize4ComponentData<GLushort, 0x0000, 0x0000, 0x0000, 0x7FFF>);
+            return info;
+        }
+        case GL_RGB32F:
+        {
+            static constexpr Format info(GL_RGB32F,
+                                         angle::FormatID::R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32F,
+                                         Initialize4ComponentData<GLfloat, 0x00000000, 0x00000000, 0x00000000, gl::Float32One>);
+            return info;
+        }
+        case GL_RGB32I:
+        {
+            static constexpr Format info(GL_RGB32I,
+                                         angle::FormatID::R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32I,
+                                         Initialize4ComponentData<GLint, 0x00000000, 0x00000000, 0x00000000, 0x00000001>);
+            return info;
+        }
+        case GL_RGB32UI:
+        {
+            static constexpr Format info(GL_RGB32UI,
+                                         angle::FormatID::R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32UI,
+                                         Initialize4ComponentData<GLuint, 0x00000000, 0x00000000, 0x00000000, 0x00000001>);
+            return info;
+        }
+        case GL_RGB565:
+        {
+            if (SupportsFormat(DXGI_FORMAT_B5G6R5_UNORM, deviceCaps))
+            {
+                static constexpr Format info(GL_RGB565,
+                                             angle::FormatID::B5G6R5_UNORM,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B5G6R5_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_RGB565,
+                                             angle::FormatID::R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                             GL_RGBA8,
+                                             Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+                return info;
+            }
+        }
+        case GL_RGB5_A1:
+        {
+            if (SupportsFormat(DXGI_FORMAT_B5G5R5A1_UNORM, deviceCaps))
+            {
+                static constexpr Format info(GL_RGB5_A1,
+                                             angle::FormatID::B5G5R5A1_UNORM,
+                                             DXGI_FORMAT_B5G5R5A1_UNORM,
+                                             DXGI_FORMAT_B5G5R5A1_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B5G5R5A1_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B5G5R5A1_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_RGB5_A1,
+                                             angle::FormatID::R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_RGB8:
+        {
+            static constexpr Format info(GL_RGB8,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_RGB8I:
+        {
+            static constexpr Format info(GL_RGB8I,
+                                         angle::FormatID::R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8I,
+                                         Initialize4ComponentData<GLbyte, 0x00, 0x00, 0x00, 0x01>);
+            return info;
+        }
+        case GL_RGB8UI:
+        {
+            static constexpr Format info(GL_RGB8UI,
+                                         angle::FormatID::R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8UI,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0x01>);
+            return info;
+        }
+        case GL_RGB8_SNORM:
+        {
+            static constexpr Format info(GL_RGB8_SNORM,
+                                         angle::FormatID::R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8_SNORM,
+                                         Initialize4ComponentData<GLbyte, 0x00, 0x00, 0x00, 0x7F>);
+            return info;
+        }
+        case GL_RGB9_E5:
+        {
+            static constexpr Format info(GL_RGB9_E5,
+                                         angle::FormatID::R9G9B9E5_SHAREDEXP,
+                                         DXGI_FORMAT_R9G9B9E5_SHAREDEXP,
+                                         DXGI_FORMAT_R9G9B9E5_SHAREDEXP,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R9G9B9E5_SHAREDEXP,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_RGBA16F_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA:
+        {
+            static constexpr Format info(GL_RGBA,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA16F:
+        {
+            static constexpr Format info(GL_RGBA16F,
+                                         angle::FormatID::R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16F,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA16I:
+        {
+            static constexpr Format info(GL_RGBA16I,
+                                         angle::FormatID::R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA16UI:
+        {
+            static constexpr Format info(GL_RGBA16UI,
+                                         angle::FormatID::R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16UI,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA16_EXT:
+        {
+            static constexpr Format info(GL_RGBA16_EXT,
+                                         angle::FormatID::R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA16_SNORM_EXT:
+        {
+            static constexpr Format info(GL_RGBA16_SNORM_EXT,
+                                         angle::FormatID::R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R16G16B16A16_TYPELESS,
+                                         GL_RGBA16_SNORM_EXT,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA32F:
+        {
+            static constexpr Format info(GL_RGBA32F,
+                                         angle::FormatID::R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_FLOAT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32F,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA32I:
+        {
+            static constexpr Format info(GL_RGBA32I,
+                                         angle::FormatID::R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA32UI:
+        {
+            static constexpr Format info(GL_RGBA32UI,
+                                         angle::FormatID::R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R32G32B32A32_TYPELESS,
+                                         GL_RGBA32UI,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA4:
+        {
+            if (SupportsFormat(DXGI_FORMAT_B4G4R4A4_UNORM, deviceCaps))
+            {
+                static constexpr Format info(GL_RGBA4,
+                                             angle::FormatID::B4G4R4A4_UNORM,
+                                             DXGI_FORMAT_B4G4R4A4_UNORM,
+                                             DXGI_FORMAT_B4G4R4A4_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B4G4R4A4_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B4G4R4A4_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA4,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_RGBA4,
+                                             angle::FormatID::R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_RGBA8:
+        {
+            static constexpr Format info(GL_RGBA8,
+                                         angle::FormatID::R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA8I:
+        {
+            static constexpr Format info(GL_RGBA8I,
+                                         angle::FormatID::R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_SINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8I,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA8UI:
+        {
+            static constexpr Format info(GL_RGBA8UI,
+                                         angle::FormatID::R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UINT,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8UI,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBA8_SNORM:
+        {
+            static constexpr Format info(GL_RGBA8_SNORM,
+                                         angle::FormatID::R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_SNORM,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_RGBA8_SNORM,
+                                         nullptr);
+            return info;
+        }
+        case GL_RGBX8_ANGLE:
+        {
+            if (OnlyFL11_1Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_RGBX8_ANGLE,
+                                             angle::FormatID::R8G8B8X8_UNORM,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_B8G8R8X8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBX8_ANGLE,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_RGBX8_ANGLE,
+                                             angle::FormatID::R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_UNORM,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                             GL_RGBA8,
+                                             nullptr);
+                return info;
+            }
+        }
+        case GL_SR8_EXT:
+        {
+            static constexpr Format info(GL_SR8_EXT,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_SRG8_EXT:
+        {
+            static constexpr Format info(GL_SRG8_EXT,
+                                         angle::FormatID::NONE,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         GL_NONE,
+                                         nullptr);
+            return info;
+        }
+        case GL_SRGB8:
+        {
+            static constexpr Format info(GL_SRGB8,
+                                         angle::FormatID::R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_SRGB8_ALPHA8,
+                                         Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>);
+            return info;
+        }
+        case GL_SRGB8_ALPHA8:
+        {
+            static constexpr Format info(GL_SRGB8_ALPHA8,
+                                         angle::FormatID::R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
+                                         DXGI_FORMAT_UNKNOWN,
+                                         DXGI_FORMAT_R8G8B8A8_TYPELESS,
+                                         GL_SRGB8_ALPHA8,
+                                         nullptr);
+            return info;
+        }
+        case GL_STENCIL_INDEX8:
+        {
+            if (OnlyFL10Plus(deviceCaps))
+            {
+                static constexpr Format info(GL_STENCIL_INDEX8,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24G8_TYPELESS,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
+                                             DXGI_FORMAT_X24_TYPELESS_G8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+            else
+            {
+                static constexpr Format info(GL_STENCIL_INDEX8,
+                                             angle::FormatID::D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_D24_UNORM_S8_UINT,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             DXGI_FORMAT_UNKNOWN,
+                                             GL_RGBA32F,
+                                             nullptr);
+                return info;
+            }
+        }
+
+        default:
+            break;
+    }
+    // clang-format on
+
+    UNREACHABLE();
+    static constexpr Format defaultInfo;
+    return defaultInfo;
+}
+
+}  // namespace d3d11
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table_utils.h
new file mode 100644
index 0000000000..f46f769182
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/texture_format_table_utils.h
@@ -0,0 +1,90 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Helper routines for the D3D11 texture format table.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_TEXTURE_FORMAT_TABLE_UTILS_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_TEXTURE_FORMAT_TABLE_UTILS_H_
+
+#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
+
+namespace rx
+{
+
+namespace d3d11
+{
+
+using FormatSupportFunction = bool (*)(const Renderer11DeviceCaps &);
+
+inline bool OnlyFL11_1Plus(const Renderer11DeviceCaps &deviceCaps)
+{
+    return (deviceCaps.featureLevel >= D3D_FEATURE_LEVEL_11_1);
+}
+
+inline bool OnlyFL10Plus(const Renderer11DeviceCaps &deviceCaps)
+{
+    return (deviceCaps.featureLevel >= D3D_FEATURE_LEVEL_10_0);
+}
+
+inline bool OnlyFL9_3(const Renderer11DeviceCaps &deviceCaps)
+{
+    return (deviceCaps.featureLevel == D3D_FEATURE_LEVEL_9_3);
+}
+
+inline bool SupportsFormat(DXGI_FORMAT format, const Renderer11DeviceCaps &deviceCaps)
+{
+    // Must support texture, SRV and RTV support
+    UINT mustSupport = D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_TEXTURECUBE |
+                       D3D11_FORMAT_SUPPORT_SHADER_SAMPLE | D3D11_FORMAT_SUPPORT_MIP |
+                       D3D11_FORMAT_SUPPORT_RENDER_TARGET;
+    UINT minimumRequiredSamples = 0;
+
+    if (d3d11_gl::GetMaximumClientVersion(deviceCaps).major > 2)
+    {
+        mustSupport |= D3D11_FORMAT_SUPPORT_TEXTURE3D;
+
+        // RGBA4, RGB5A1 and RGB565 are all required multisampled renderbuffer formats in ES3 and
+        // need to support a minimum of 4 samples.
+        minimumRequiredSamples = 4;
+    }
+
+    bool fullSupport = false;
+    if (format == DXGI_FORMAT_B5G6R5_UNORM)
+    {
+        // All hardware that supports DXGI_FORMAT_B5G6R5_UNORM should support autogen mipmaps, but
+        // check anyway.
+        mustSupport |= D3D11_FORMAT_SUPPORT_MIP_AUTOGEN;
+        fullSupport = ((deviceCaps.B5G6R5support & mustSupport) == mustSupport) &&
+                      deviceCaps.B5G6R5maxSamples >= minimumRequiredSamples;
+    }
+    else if (format == DXGI_FORMAT_B4G4R4A4_UNORM)
+    {
+        fullSupport = ((deviceCaps.B4G4R4A4support & mustSupport) == mustSupport) &&
+                      deviceCaps.B4G4R4A4maxSamples >= minimumRequiredSamples;
+    }
+    else if (format == DXGI_FORMAT_B5G5R5A1_UNORM)
+    {
+        fullSupport = ((deviceCaps.B5G5R5A1support & mustSupport) == mustSupport) &&
+                      deviceCaps.B5G5R5A1maxSamples >= minimumRequiredSamples;
+    }
+    else
+    {
+        UNREACHABLE();
+        return false;
+    }
+
+    // This means that ANGLE would like to use the entry in the map if the inputted DXGI format
+    // *IS* supported.
+    // e.g. the entry might map GL_RGB5_A1 to DXGI_FORMAT_B5G5R5A1, which should only be used if
+    // DXGI_FORMAT_B5G5R5A1 is supported.
+    // In this case, we should only return 'true' if the format *IS* supported.
+    return fullSupport;
+}
+
+}  // namespace d3d11
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_TEXTURE_FORMAT_TABLE_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.cpp
new file mode 100644
index 0000000000..722510a482
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.cpp
@@ -0,0 +1,218 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// NativeWindow11Win32.cpp: Implementation of NativeWindow11 using win32 window APIs.
+
+#include "libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+#include "common/debug.h"
+
+// This header must be included before dcomp.h.
+#include <initguid.h>
+
+#include <dcomp.h>
+
+namespace rx
+{
+
+NativeWindow11Win32::NativeWindow11Win32(EGLNativeWindowType window,
+                                         bool hasAlpha,
+                                         bool directComposition)
+    : NativeWindow11(window),
+      mDirectComposition(directComposition),
+      mHasAlpha(hasAlpha),
+      mDevice(nullptr),
+      mCompositionTarget(nullptr),
+      mVisual(nullptr)
+{}
+
+NativeWindow11Win32::~NativeWindow11Win32()
+{
+    SafeRelease(mCompositionTarget);
+    SafeRelease(mDevice);
+    SafeRelease(mVisual);
+}
+
+bool NativeWindow11Win32::initialize()
+{
+    return true;
+}
+
+bool NativeWindow11Win32::getClientRect(LPRECT rect) const
+{
+    return GetClientRect(getNativeWindow(), rect) == TRUE;
+}
+
+bool NativeWindow11Win32::isIconic() const
+{
+    return IsIconic(getNativeWindow()) == TRUE;
+}
+
+HRESULT NativeWindow11Win32::createSwapChain(ID3D11Device *device,
+                                             IDXGIFactory *factory,
+                                             DXGI_FORMAT format,
+                                             UINT width,
+                                             UINT height,
+                                             UINT samples,
+                                             IDXGISwapChain **swapChain)
+{
+    if (device == nullptr || factory == nullptr || swapChain == nullptr || width == 0 ||
+        height == 0)
+    {
+        return E_INVALIDARG;
+    }
+
+    if (mDirectComposition)
+    {
+        HMODULE dcomp = ::GetModuleHandle(TEXT("dcomp.dll"));
+        if (!dcomp)
+        {
+            return E_INVALIDARG;
+        }
+
+        typedef HRESULT(WINAPI * PFN_DCOMPOSITION_CREATE_DEVICE)(
+            IDXGIDevice * dxgiDevice, REFIID iid, void **dcompositionDevice);
+        PFN_DCOMPOSITION_CREATE_DEVICE createDComp =
+            reinterpret_cast<PFN_DCOMPOSITION_CREATE_DEVICE>(
+                GetProcAddress(dcomp, "DCompositionCreateDevice"));
+        if (!createDComp)
+        {
+            return E_INVALIDARG;
+        }
+
+        if (!mDevice)
+        {
+            IDXGIDevice *dxgiDevice = d3d11::DynamicCastComObject<IDXGIDevice>(device);
+            HRESULT result          = createDComp(dxgiDevice, __uuidof(IDCompositionDevice),
+                                         reinterpret_cast<void **>(&mDevice));
+            SafeRelease(dxgiDevice);
+
+            if (FAILED(result))
+            {
+                return result;
+            }
+        }
+
+        if (!mCompositionTarget)
+        {
+            HRESULT result =
+                mDevice->CreateTargetForHwnd(getNativeWindow(), TRUE, &mCompositionTarget);
+            if (FAILED(result))
+            {
+                return result;
+            }
+        }
+
+        if (!mVisual)
+        {
+            HRESULT result = mDevice->CreateVisual(&mVisual);
+            if (FAILED(result))
+            {
+                return result;
+            }
+        }
+
+        IDXGIFactory2 *factory2             = d3d11::DynamicCastComObject<IDXGIFactory2>(factory);
+        DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
+        swapChainDesc.Width                 = width;
+        swapChainDesc.Height                = height;
+        swapChainDesc.Format                = format;
+        swapChainDesc.Stereo                = FALSE;
+        swapChainDesc.SampleDesc.Count      = 1;
+        swapChainDesc.SampleDesc.Quality    = 0;
+        swapChainDesc.BufferUsage =
+            DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER | DXGI_USAGE_SHADER_INPUT;
+        swapChainDesc.BufferCount = 2;
+        swapChainDesc.Scaling     = DXGI_SCALING_STRETCH;
+        swapChainDesc.SwapEffect  = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
+        swapChainDesc.AlphaMode =
+            mHasAlpha ? DXGI_ALPHA_MODE_PREMULTIPLIED : DXGI_ALPHA_MODE_IGNORE;
+        swapChainDesc.Flags         = 0;
+        IDXGISwapChain1 *swapChain1 = nullptr;
+        HRESULT result =
+            factory2->CreateSwapChainForComposition(device, &swapChainDesc, nullptr, &swapChain1);
+        if (SUCCEEDED(result))
+        {
+            *swapChain = static_cast<IDXGISwapChain *>(swapChain1);
+        }
+        mVisual->SetContent(swapChain1);
+        mCompositionTarget->SetRoot(mVisual);
+        SafeRelease(factory2);
+        return result;
+    }
+
+    // Use IDXGIFactory2::CreateSwapChainForHwnd if DXGI 1.2 is available to create a
+    // DXGI_SWAP_EFFECT_SEQUENTIAL swap chain.
+    IDXGIFactory2 *factory2 = d3d11::DynamicCastComObject<IDXGIFactory2>(factory);
+    if (factory2 != nullptr)
+    {
+        DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
+        swapChainDesc.Width                 = width;
+        swapChainDesc.Height                = height;
+        swapChainDesc.Format                = format;
+        swapChainDesc.Stereo                = FALSE;
+        swapChainDesc.SampleDesc.Count      = samples;
+        swapChainDesc.SampleDesc.Quality    = 0;
+        swapChainDesc.BufferUsage =
+            DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_SHADER_INPUT | DXGI_USAGE_BACK_BUFFER;
+        swapChainDesc.BufferCount   = 1;
+        swapChainDesc.Scaling       = DXGI_SCALING_STRETCH;
+        swapChainDesc.SwapEffect    = DXGI_SWAP_EFFECT_SEQUENTIAL;
+        swapChainDesc.AlphaMode     = DXGI_ALPHA_MODE_UNSPECIFIED;
+        swapChainDesc.Flags         = 0;
+        IDXGISwapChain1 *swapChain1 = nullptr;
+        HRESULT result = factory2->CreateSwapChainForHwnd(device, getNativeWindow(), &swapChainDesc,
+                                                          nullptr, nullptr, &swapChain1);
+        if (SUCCEEDED(result))
+        {
+            factory2->MakeWindowAssociation(getNativeWindow(), DXGI_MWA_NO_ALT_ENTER);
+            *swapChain = static_cast<IDXGISwapChain *>(swapChain1);
+        }
+        SafeRelease(factory2);
+        return result;
+    }
+
+    DXGI_SWAP_CHAIN_DESC swapChainDesc               = {};
+    swapChainDesc.BufferCount                        = 1;
+    swapChainDesc.BufferDesc.Format                  = format;
+    swapChainDesc.BufferDesc.Width                   = width;
+    swapChainDesc.BufferDesc.Height                  = height;
+    swapChainDesc.BufferDesc.Scaling                 = DXGI_MODE_SCALING_UNSPECIFIED;
+    swapChainDesc.BufferDesc.ScanlineOrdering        = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
+    swapChainDesc.BufferDesc.RefreshRate.Numerator   = 0;
+    swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
+    swapChainDesc.BufferUsage =
+        DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_SHADER_INPUT | DXGI_USAGE_BACK_BUFFER;
+    swapChainDesc.Flags              = 0;
+    swapChainDesc.OutputWindow       = getNativeWindow();
+    swapChainDesc.SampleDesc.Count   = samples;
+    swapChainDesc.SampleDesc.Quality = 0;
+    swapChainDesc.Windowed           = TRUE;
+    swapChainDesc.SwapEffect         = DXGI_SWAP_EFFECT_DISCARD;
+
+    HRESULT result = factory->CreateSwapChain(device, &swapChainDesc, swapChain);
+    if (SUCCEEDED(result))
+    {
+        factory->MakeWindowAssociation(getNativeWindow(), DXGI_MWA_NO_ALT_ENTER);
+    }
+    return result;
+}
+
+void NativeWindow11Win32::commitChange()
+{
+    if (mDevice)
+    {
+        mDevice->Commit();
+    }
+}
+
+// static
+bool NativeWindow11Win32::IsValidNativeWindow(EGLNativeWindowType window)
+{
+    return IsWindow(window) == TRUE;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.h
new file mode 100644
index 0000000000..f67cfc73a8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.h
@@ -0,0 +1,53 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// NativeWindow11Win32.h: Implementation of NativeWindow11 using win32 window APIs.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_WIN32_NATIVEWINDOW11WIN32_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_WIN32_NATIVEWINDOW11WIN32_H_
+
+#include "libANGLE/renderer/d3d/d3d11/NativeWindow11.h"
+
+typedef interface IDCompositionDevice IDCompositionDevice;
+typedef interface IDCompositionTarget IDCompositionTarget;
+typedef interface IDCompositionVisual IDCompositionVisual;
+
+namespace rx
+{
+
+class NativeWindow11Win32 : public NativeWindow11
+{
+  public:
+    NativeWindow11Win32(EGLNativeWindowType window, bool hasAlpha, bool directComposition);
+    ~NativeWindow11Win32() override;
+
+    bool initialize() override;
+    bool getClientRect(LPRECT rect) const override;
+    bool isIconic() const override;
+
+    HRESULT createSwapChain(ID3D11Device *device,
+                            IDXGIFactory *factory,
+                            DXGI_FORMAT format,
+                            UINT width,
+                            UINT height,
+                            UINT samples,
+                            IDXGISwapChain **swapChain) override;
+
+    void commitChange() override;
+
+    static bool IsValidNativeWindow(EGLNativeWindowType window);
+
+  private:
+    bool mDirectComposition;
+    bool mHasAlpha;
+    IDCompositionDevice *mDevice;
+    IDCompositionTarget *mCompositionTarget;
+    IDCompositionVisual *mVisual;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_WIN32_NATIVEWINDOW11WIN32_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Blit9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Blit9.cpp
new file mode 100644
index 0000000000..429159b4cb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Blit9.cpp
@@ -0,0 +1,760 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Blit9.cpp: Surface copy utility class.
+
+#include "libANGLE/renderer/d3d/d3d9/Blit9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/TextureStorage9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace
+{
+// Precompiled shaders
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskpremultps.h"
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskps.h"
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskunmultps.h"
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/luminancepremultps.h"
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceps.h"
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceunmultps.h"
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/passthroughps.h"
+#include "libANGLE/renderer/d3d/d3d9/shaders/compiled/standardvs.h"
+
+const BYTE *const g_shaderCode[] = {
+    g_vs20_standardvs,
+    g_ps20_passthroughps,
+    g_ps20_luminanceps,
+    g_ps20_luminancepremultps,
+    g_ps20_luminanceunmultps,
+    g_ps20_componentmaskps,
+    g_ps20_componentmaskpremultps,
+    g_ps20_componentmaskunmultps,
+};
+
+const size_t g_shaderSize[] = {
+    sizeof(g_vs20_standardvs),
+    sizeof(g_ps20_passthroughps),
+    sizeof(g_ps20_luminanceps),
+    sizeof(g_ps20_luminancepremultps),
+    sizeof(g_ps20_luminanceunmultps),
+    sizeof(g_ps20_componentmaskps),
+    sizeof(g_ps20_componentmaskpremultps),
+    sizeof(g_ps20_componentmaskunmultps),
+};
+}  // namespace
+
+namespace rx
+{
+
+Blit9::Blit9(Renderer9 *renderer)
+    : mRenderer(renderer),
+      mGeometryLoaded(false),
+      mQuadVertexBuffer(nullptr),
+      mQuadVertexDeclaration(nullptr),
+      mSavedStateBlock(nullptr),
+      mSavedRenderTarget(nullptr),
+      mSavedDepthStencil(nullptr)
+{
+    memset(mCompiledShaders, 0, sizeof(mCompiledShaders));
+}
+
+Blit9::~Blit9()
+{
+    SafeRelease(mSavedStateBlock);
+    SafeRelease(mQuadVertexBuffer);
+    SafeRelease(mQuadVertexDeclaration);
+
+    for (int i = 0; i < SHADER_COUNT; i++)
+    {
+        SafeRelease(mCompiledShaders[i]);
+    }
+}
+
+angle::Result Blit9::initialize(Context9 *context9)
+{
+    if (mGeometryLoaded)
+    {
+        return angle::Result::Continue;
+    }
+
+    static const float quad[] = {-1, -1, -1, 1, 1, -1, 1, 1};
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    HRESULT result = device->CreateVertexBuffer(sizeof(quad), D3DUSAGE_WRITEONLY, 0,
+                                                D3DPOOL_DEFAULT, &mQuadVertexBuffer, nullptr);
+
+    ANGLE_TRY_HR(context9, result, "Failed to create internal blit vertex shader");
+
+    void *lockPtr = nullptr;
+    result        = mQuadVertexBuffer->Lock(0, 0, &lockPtr, 0);
+
+    ANGLE_TRY_HR(context9, result, "Failed to lock internal blit vertex shader");
+    ASSERT(lockPtr);
+
+    memcpy(lockPtr, quad, sizeof(quad));
+    mQuadVertexBuffer->Unlock();
+
+    static const D3DVERTEXELEMENT9 elements[] = {
+        {0, 0, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0}, D3DDECL_END()};
+
+    result = device->CreateVertexDeclaration(elements, &mQuadVertexDeclaration);
+    ANGLE_TRY_HR(context9, result, "Failed to create internal blit vertex shader declaration");
+
+    mGeometryLoaded = true;
+    return angle::Result::Continue;
+}
+
+template <class D3DShaderType>
+angle::Result Blit9::setShader(Context9 *context9,
+                               ShaderId source,
+                               const char *profile,
+                               angle::Result (Renderer9::*createShader)(d3d::Context *,
+                                                                        const DWORD *,
+                                                                        size_t length,
+                                                                        D3DShaderType **outShader),
+                               HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType *))
+{
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    D3DShaderType *shader = nullptr;
+
+    if (mCompiledShaders[source] != nullptr)
+    {
+        shader = static_cast<D3DShaderType *>(mCompiledShaders[source]);
+    }
+    else
+    {
+        const BYTE *shaderCode = g_shaderCode[source];
+        size_t shaderSize      = g_shaderSize[source];
+        ANGLE_TRY((mRenderer->*createShader)(context9, reinterpret_cast<const DWORD *>(shaderCode),
+                                             shaderSize, &shader));
+        mCompiledShaders[source] = shader;
+    }
+
+    HRESULT hr = (device->*setShader)(shader);
+    ANGLE_TRY_HR(context9, hr, "Failed to set shader for blit operation");
+    return angle::Result::Continue;
+}
+
+angle::Result Blit9::setVertexShader(Context9 *context9, ShaderId shader)
+{
+    return setShader<IDirect3DVertexShader9>(context9, shader, "vs_2_0",
+                                             &Renderer9::createVertexShader,
+                                             &IDirect3DDevice9::SetVertexShader);
+}
+
+angle::Result Blit9::setPixelShader(Context9 *context9, ShaderId shader)
+{
+    return setShader<IDirect3DPixelShader9>(context9, shader, "ps_2_0",
+                                            &Renderer9::createPixelShader,
+                                            &IDirect3DDevice9::SetPixelShader);
+}
+
+RECT Blit9::getSurfaceRect(IDirect3DSurface9 *surface) const
+{
+    D3DSURFACE_DESC desc;
+    surface->GetDesc(&desc);
+
+    RECT rect;
+    rect.left   = 0;
+    rect.top    = 0;
+    rect.right  = desc.Width;
+    rect.bottom = desc.Height;
+
+    return rect;
+}
+
+gl::Extents Blit9::getSurfaceSize(IDirect3DSurface9 *surface) const
+{
+    D3DSURFACE_DESC desc;
+    surface->GetDesc(&desc);
+
+    return gl::Extents(desc.Width, desc.Height, 1);
+}
+
+angle::Result Blit9::boxFilter(Context9 *context9,
+                               IDirect3DSurface9 *source,
+                               IDirect3DSurface9 *dest)
+{
+    ANGLE_TRY(initialize(context9));
+
+    angle::ComPtr<IDirect3DBaseTexture9> texture = nullptr;
+    ANGLE_TRY(copySurfaceToTexture(context9, source, getSurfaceRect(source), &texture));
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    saveState();
+
+    device->SetTexture(0, texture.Get());
+    device->SetRenderTarget(0, dest);
+
+    ANGLE_TRY(setVertexShader(context9, SHADER_VS_STANDARD));
+    ANGLE_TRY(setPixelShader(context9, SHADER_PS_PASSTHROUGH));
+
+    setCommonBlitState();
+    device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
+    device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
+
+    setViewportAndShaderConstants(getSurfaceRect(source), getSurfaceSize(source),
+                                  getSurfaceRect(dest), false);
+
+    render();
+
+    restoreState();
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit9::copy2D(const gl::Context *context,
+                            const gl::Framebuffer *framebuffer,
+                            const RECT &sourceRect,
+                            GLenum destFormat,
+                            const gl::Offset &destOffset,
+                            TextureStorage *storage,
+                            GLint level)
+{
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    ANGLE_TRY(initialize(context9));
+
+    const gl::FramebufferAttachment *colorbuffer = framebuffer->getColorAttachment(0);
+    ASSERT(colorbuffer);
+
+    RenderTarget9 *renderTarget9 = nullptr;
+    ANGLE_TRY(colorbuffer->getRenderTarget(context, 0, &renderTarget9));
+    ASSERT(renderTarget9);
+
+    angle::ComPtr<IDirect3DSurface9> source = renderTarget9->getSurface();
+    ASSERT(source);
+
+    angle::ComPtr<IDirect3DSurface9> destSurface = nullptr;
+    TextureStorage9 *storage9                    = GetAs<TextureStorage9>(storage);
+    ANGLE_TRY(
+        storage9->getSurfaceLevel(context, gl::TextureTarget::_2D, level, true, &destSurface));
+    ASSERT(destSurface);
+
+    ANGLE_TRY(copy(context9, source.Get(), nullptr, sourceRect, destFormat, destOffset,
+                   destSurface.Get(), false, false, false));
+    return angle::Result::Continue;
+}
+
+angle::Result Blit9::copyCube(const gl::Context *context,
+                              const gl::Framebuffer *framebuffer,
+                              const RECT &sourceRect,
+                              GLenum destFormat,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              gl::TextureTarget target,
+                              GLint level)
+{
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    ANGLE_TRY(initialize(context9));
+
+    const gl::FramebufferAttachment *colorbuffer = framebuffer->getColorAttachment(0);
+    ASSERT(colorbuffer);
+
+    RenderTarget9 *renderTarget9 = nullptr;
+    ANGLE_TRY(colorbuffer->getRenderTarget(context, 0, &renderTarget9));
+    ASSERT(renderTarget9);
+
+    angle::ComPtr<IDirect3DSurface9> source = renderTarget9->getSurface();
+    ASSERT(source);
+
+    angle::ComPtr<IDirect3DSurface9> destSurface = nullptr;
+    TextureStorage9 *storage9                    = GetAs<TextureStorage9>(storage);
+    ANGLE_TRY(storage9->getSurfaceLevel(context, target, level, true, &destSurface));
+    ASSERT(destSurface);
+
+    return copy(context9, source.Get(), nullptr, sourceRect, destFormat, destOffset,
+                destSurface.Get(), false, false, false);
+}
+
+angle::Result Blit9::copyTexture(const gl::Context *context,
+                                 const gl::Texture *source,
+                                 GLint sourceLevel,
+                                 const RECT &sourceRect,
+                                 GLenum destFormat,
+                                 const gl::Offset &destOffset,
+                                 TextureStorage *storage,
+                                 gl::TextureTarget destTarget,
+                                 GLint destLevel,
+                                 bool flipY,
+                                 bool premultiplyAlpha,
+                                 bool unmultiplyAlpha)
+{
+    Context9 *context9 = GetImplAs<Context9>(context);
+    ANGLE_TRY(initialize(context9));
+
+    TextureD3D *sourceD3D = GetImplAs<TextureD3D>(source);
+
+    TextureStorage *sourceStorage = nullptr;
+    ANGLE_TRY(sourceD3D->getNativeTexture(context, &sourceStorage));
+
+    TextureStorage9_2D *sourceStorage9 = GetAs<TextureStorage9_2D>(sourceStorage);
+    ASSERT(sourceStorage9);
+
+    TextureStorage9 *destStorage9 = GetAs<TextureStorage9>(storage);
+    ASSERT(destStorage9);
+
+    ASSERT(sourceLevel == 0);
+    IDirect3DBaseTexture9 *sourceTexture = nullptr;
+    ANGLE_TRY(sourceStorage9->getBaseTexture(context, &sourceTexture));
+
+    angle::ComPtr<IDirect3DSurface9> sourceSurface = nullptr;
+    ANGLE_TRY(sourceStorage9->getSurfaceLevel(context, gl::TextureTarget::_2D, sourceLevel, true,
+                                              &sourceSurface));
+
+    angle::ComPtr<IDirect3DSurface9> destSurface = nullptr;
+    ANGLE_TRY(destStorage9->getSurfaceLevel(context, destTarget, destLevel, true, &destSurface));
+
+    return copy(context9, sourceSurface.Get(), sourceTexture, sourceRect, destFormat, destOffset,
+                destSurface.Get(), flipY, premultiplyAlpha, unmultiplyAlpha);
+}
+
+angle::Result Blit9::copy(Context9 *context9,
+                          IDirect3DSurface9 *source,
+                          IDirect3DBaseTexture9 *sourceTexture,
+                          const RECT &sourceRect,
+                          GLenum destFormat,
+                          const gl::Offset &destOffset,
+                          IDirect3DSurface9 *dest,
+                          bool flipY,
+                          bool premultiplyAlpha,
+                          bool unmultiplyAlpha)
+{
+    ASSERT(source != nullptr && dest != nullptr);
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    D3DSURFACE_DESC sourceDesc;
+    D3DSURFACE_DESC destDesc;
+    source->GetDesc(&sourceDesc);
+    dest->GetDesc(&destDesc);
+
+    // Check if it's possible to use StetchRect
+    if (sourceDesc.Format == destDesc.Format && (destDesc.Usage & D3DUSAGE_RENDERTARGET) &&
+        d3d9_gl::IsFormatChannelEquivalent(destDesc.Format, destFormat) && !flipY &&
+        premultiplyAlpha == unmultiplyAlpha)
+    {
+        RECT destRect  = {destOffset.x, destOffset.y,
+                         destOffset.x + (sourceRect.right - sourceRect.left),
+                         destOffset.y + (sourceRect.bottom - sourceRect.top)};
+        HRESULT result = device->StretchRect(source, &sourceRect, dest, &destRect, D3DTEXF_POINT);
+        ANGLE_TRY_HR(context9, result, "StretchRect failed to blit between textures");
+        return angle::Result::Continue;
+    }
+
+    angle::ComPtr<IDirect3DBaseTexture9> texture = sourceTexture;
+    RECT adjustedSourceRect                      = sourceRect;
+    gl::Extents sourceSize(sourceDesc.Width, sourceDesc.Height, 1);
+
+    if (texture == nullptr)
+    {
+        ANGLE_TRY(copySurfaceToTexture(context9, source, sourceRect, &texture));
+
+        // copySurfaceToTexture only copies in the sourceRect area of the source surface.
+        // Adjust sourceRect so that it is now covering the entire source texture
+        adjustedSourceRect.left   = 0;
+        adjustedSourceRect.right  = sourceRect.right - sourceRect.left;
+        adjustedSourceRect.top    = 0;
+        adjustedSourceRect.bottom = sourceRect.bottom - sourceRect.top;
+
+        sourceSize.width  = sourceRect.right - sourceRect.left;
+        sourceSize.height = sourceRect.bottom - sourceRect.top;
+    }
+
+    ANGLE_TRY(formatConvert(context9, texture.Get(), adjustedSourceRect, sourceSize, destFormat,
+                            destOffset, dest, flipY, premultiplyAlpha, unmultiplyAlpha));
+    return angle::Result::Continue;
+}
+
+angle::Result Blit9::formatConvert(Context9 *context9,
+                                   IDirect3DBaseTexture9 *source,
+                                   const RECT &sourceRect,
+                                   const gl::Extents &sourceSize,
+                                   GLenum destFormat,
+                                   const gl::Offset &destOffset,
+                                   IDirect3DSurface9 *dest,
+                                   bool flipY,
+                                   bool premultiplyAlpha,
+                                   bool unmultiplyAlpha)
+{
+    ANGLE_TRY(initialize(context9));
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    saveState();
+
+    device->SetTexture(0, source);
+    device->SetRenderTarget(0, dest);
+
+    RECT destRect;
+    destRect.left   = destOffset.x;
+    destRect.right  = destOffset.x + (sourceRect.right - sourceRect.left);
+    destRect.top    = destOffset.y;
+    destRect.bottom = destOffset.y + (sourceRect.bottom - sourceRect.top);
+
+    setViewportAndShaderConstants(sourceRect, sourceSize, destRect, flipY);
+
+    setCommonBlitState();
+
+    angle::Result result =
+        setFormatConvertShaders(context9, destFormat, flipY, premultiplyAlpha, unmultiplyAlpha);
+    if (result == angle::Result::Continue)
+    {
+        render();
+    }
+
+    restoreState();
+
+    return result;
+}
+
+angle::Result Blit9::setFormatConvertShaders(Context9 *context9,
+                                             GLenum destFormat,
+                                             bool flipY,
+                                             bool premultiplyAlpha,
+                                             bool unmultiplyAlpha)
+{
+    ANGLE_TRY(setVertexShader(context9, SHADER_VS_STANDARD));
+
+    switch (destFormat)
+    {
+        case GL_RGBA:
+        case GL_BGRA_EXT:
+        case GL_RGB:
+        case GL_RG_EXT:
+        case GL_RED_EXT:
+        case GL_ALPHA:
+            if (premultiplyAlpha == unmultiplyAlpha)
+            {
+                ANGLE_TRY(setPixelShader(context9, SHADER_PS_COMPONENTMASK));
+            }
+            else if (premultiplyAlpha)
+            {
+                ANGLE_TRY(setPixelShader(context9, SHADER_PS_COMPONENTMASK_PREMULTIPLY_ALPHA));
+            }
+            else
+            {
+                ASSERT(unmultiplyAlpha);
+                ANGLE_TRY(setPixelShader(context9, SHADER_PS_COMPONENTMASK_UNMULTIPLY_ALPHA));
+            }
+            break;
+
+        case GL_LUMINANCE:
+        case GL_LUMINANCE_ALPHA:
+            if (premultiplyAlpha == unmultiplyAlpha)
+            {
+                ANGLE_TRY(setPixelShader(context9, SHADER_PS_LUMINANCE));
+            }
+            else if (premultiplyAlpha)
+            {
+                ANGLE_TRY(setPixelShader(context9, SHADER_PS_LUMINANCE_PREMULTIPLY_ALPHA));
+            }
+            else
+            {
+                ASSERT(unmultiplyAlpha);
+                ANGLE_TRY(setPixelShader(context9, SHADER_PS_LUMINANCE_UNMULTIPLY_ALPHA));
+            }
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    enum
+    {
+        X = 0,
+        Y = 1,
+        Z = 2,
+        W = 3
+    };
+
+    // The meaning of this constant depends on the shader that was selected.
+    // See the shader assembly code above for details.
+    // Allocate one array for both registers and split it into two float4's.
+    float psConst[8] = {0};
+    float *multConst = &psConst[0];
+    float *addConst  = &psConst[4];
+
+    switch (destFormat)
+    {
+        case GL_RGBA:
+        case GL_BGRA_EXT:
+            multConst[X] = 1;
+            multConst[Y] = 1;
+            multConst[Z] = 1;
+            multConst[W] = 1;
+            addConst[X]  = 0;
+            addConst[Y]  = 0;
+            addConst[Z]  = 0;
+            addConst[W]  = 0;
+            break;
+
+        case GL_RGB:
+            multConst[X] = 1;
+            multConst[Y] = 1;
+            multConst[Z] = 1;
+            multConst[W] = 0;
+            addConst[X]  = 0;
+            addConst[Y]  = 0;
+            addConst[Z]  = 0;
+            addConst[W]  = 1;
+            break;
+
+        case GL_RG_EXT:
+            multConst[X] = 1;
+            multConst[Y] = 1;
+            multConst[Z] = 0;
+            multConst[W] = 0;
+            addConst[X]  = 0;
+            addConst[Y]  = 0;
+            addConst[Z]  = 0;
+            addConst[W]  = 1;
+            break;
+
+        case GL_RED_EXT:
+            multConst[X] = 1;
+            multConst[Y] = 0;
+            multConst[Z] = 0;
+            multConst[W] = 0;
+            addConst[X]  = 0;
+            addConst[Y]  = 0;
+            addConst[Z]  = 0;
+            addConst[W]  = 1;
+            break;
+
+        case GL_ALPHA:
+            multConst[X] = 0;
+            multConst[Y] = 0;
+            multConst[Z] = 0;
+            multConst[W] = 1;
+            addConst[X]  = 0;
+            addConst[Y]  = 0;
+            addConst[Z]  = 0;
+            addConst[W]  = 0;
+            break;
+
+        case GL_LUMINANCE:
+            multConst[X] = 1;
+            multConst[Y] = 0;
+            multConst[Z] = 0;
+            multConst[W] = 0;
+            addConst[X]  = 0;
+            addConst[Y]  = 0;
+            addConst[Z]  = 0;
+            addConst[W]  = 1;
+            break;
+
+        case GL_LUMINANCE_ALPHA:
+            multConst[X] = 1;
+            multConst[Y] = 0;
+            multConst[Z] = 0;
+            multConst[W] = 1;
+            addConst[X]  = 0;
+            addConst[Y]  = 0;
+            addConst[Z]  = 0;
+            addConst[W]  = 0;
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    mRenderer->getDevice()->SetPixelShaderConstantF(0, psConst, 2);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Blit9::copySurfaceToTexture(Context9 *context9,
+                                          IDirect3DSurface9 *surface,
+                                          const RECT &sourceRect,
+                                          angle::ComPtr<IDirect3DBaseTexture9> *outTexture)
+{
+    ASSERT(surface);
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    D3DSURFACE_DESC sourceDesc;
+    surface->GetDesc(&sourceDesc);
+
+    // Copy the render target into a texture
+    angle::ComPtr<IDirect3DTexture9> texture;
+    HRESULT result = device->CreateTexture(
+        sourceRect.right - sourceRect.left, sourceRect.bottom - sourceRect.top, 1,
+        D3DUSAGE_RENDERTARGET, sourceDesc.Format, D3DPOOL_DEFAULT, &texture, nullptr);
+    ANGLE_TRY_HR(context9, result, "Failed to allocate internal texture for blit");
+
+    angle::ComPtr<IDirect3DSurface9> textureSurface;
+    result = texture->GetSurfaceLevel(0, &textureSurface);
+    ANGLE_TRY_HR(context9, result, "Failed to query surface of internal blit texture");
+
+    mRenderer->endScene();
+    result = device->StretchRect(surface, &sourceRect, textureSurface.Get(), nullptr, D3DTEXF_NONE);
+    ANGLE_TRY_HR(context9, result, "Failed to copy between internal blit textures");
+    *outTexture = texture;
+
+    return angle::Result::Continue;
+}
+
+void Blit9::setViewportAndShaderConstants(const RECT &sourceRect,
+                                          const gl::Extents &sourceSize,
+                                          const RECT &destRect,
+                                          bool flipY)
+{
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    D3DVIEWPORT9 vp;
+    vp.X      = destRect.left;
+    vp.Y      = destRect.top;
+    vp.Width  = destRect.right - destRect.left;
+    vp.Height = destRect.bottom - destRect.top;
+    vp.MinZ   = 0.0f;
+    vp.MaxZ   = 1.0f;
+    device->SetViewport(&vp);
+
+    float vertexConstants[8] = {
+        // halfPixelAdjust
+        -1.0f / vp.Width,
+        1.0f / vp.Height,
+        0,
+        0,
+        // texcoordOffset
+        static_cast<float>(sourceRect.left) / sourceSize.width,
+        static_cast<float>(flipY ? sourceRect.bottom : sourceRect.top) / sourceSize.height,
+        static_cast<float>(sourceRect.right - sourceRect.left) / sourceSize.width,
+        static_cast<float>(flipY ? sourceRect.top - sourceRect.bottom
+                                 : sourceRect.bottom - sourceRect.top) /
+            sourceSize.height,
+    };
+
+    device->SetVertexShaderConstantF(0, vertexConstants, 2);
+}
+
+void Blit9::setCommonBlitState()
+{
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    device->SetDepthStencilSurface(nullptr);
+
+    device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
+    device->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE);
+    device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
+    device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+    device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0);
+    device->SetRenderState(D3DRS_COLORWRITEENABLE,
+                           D3DCOLORWRITEENABLE_ALPHA | D3DCOLORWRITEENABLE_BLUE |
+                               D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_RED);
+    device->SetRenderState(D3DRS_SRGBWRITEENABLE, FALSE);
+    device->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
+
+    device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
+    device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
+    device->SetSamplerState(0, D3DSAMP_SRGBTEXTURE, FALSE);
+    device->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
+    device->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
+
+    RECT scissorRect = {};  // Scissoring is disabled for flipping, but we need this to capture and
+                            // restore the old rectangle
+    device->SetScissorRect(&scissorRect);
+
+    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+    {
+        device->SetStreamSourceFreq(i, 1);
+    }
+}
+
+void Blit9::render()
+{
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    device->SetStreamSource(0, mQuadVertexBuffer, 0, 2 * sizeof(float));
+    device->SetVertexDeclaration(mQuadVertexDeclaration);
+
+    mRenderer->startScene();
+    device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
+}
+
+void Blit9::saveState()
+{
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    HRESULT hr;
+
+    device->GetDepthStencilSurface(&mSavedDepthStencil);
+    device->GetRenderTarget(0, &mSavedRenderTarget);
+
+    if (mSavedStateBlock == nullptr)
+    {
+        hr = device->BeginStateBlock();
+        ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY);
+
+        setCommonBlitState();
+
+        static const float mockConst[8] = {0};
+
+        device->SetVertexShader(nullptr);
+        device->SetVertexShaderConstantF(0, mockConst, 2);
+        device->SetPixelShader(nullptr);
+        device->SetPixelShaderConstantF(0, mockConst, 2);
+
+        D3DVIEWPORT9 mockVp;
+        mockVp.X      = 0;
+        mockVp.Y      = 0;
+        mockVp.Width  = 1;
+        mockVp.Height = 1;
+        mockVp.MinZ   = 0;
+        mockVp.MaxZ   = 1;
+
+        device->SetViewport(&mockVp);
+
+        device->SetTexture(0, nullptr);
+
+        device->SetStreamSource(0, mQuadVertexBuffer, 0, 0);
+
+        device->SetVertexDeclaration(mQuadVertexDeclaration);
+
+        hr = device->EndStateBlock(&mSavedStateBlock);
+        ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY);
+    }
+
+    ASSERT(mSavedStateBlock != nullptr);
+
+    if (mSavedStateBlock != nullptr)
+    {
+        hr = mSavedStateBlock->Capture();
+        ASSERT(SUCCEEDED(hr));
+    }
+}
+
+void Blit9::restoreState()
+{
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    device->SetDepthStencilSurface(mSavedDepthStencil);
+    SafeRelease(mSavedDepthStencil);
+
+    device->SetRenderTarget(0, mSavedRenderTarget);
+    SafeRelease(mSavedRenderTarget);
+
+    ASSERT(mSavedStateBlock != nullptr);
+
+    if (mSavedStateBlock != nullptr)
+    {
+        mSavedStateBlock->Apply();
+    }
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Blit9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Blit9.h
new file mode 100644
index 0000000000..1c99413ecd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Blit9.h
@@ -0,0 +1,166 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Blit9.cpp: Surface copy utility class.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+
+namespace gl
+{
+class Context;
+class Framebuffer;
+class Texture;
+struct Extents;
+struct Offset;
+}  // namespace gl
+
+namespace rx
+{
+class Context9;
+class Renderer9;
+class TextureStorage;
+
+namespace d3d
+{
+class Context;
+}  // namespace d3d
+
+class Blit9 : angle::NonCopyable
+{
+  public:
+    explicit Blit9(Renderer9 *renderer);
+    ~Blit9();
+
+    angle::Result initialize(Context9 *context9);
+
+    // Copy from source surface to dest surface.
+    // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
+    angle::Result copy2D(const gl::Context *context,
+                         const gl::Framebuffer *framebuffer,
+                         const RECT &sourceRect,
+                         GLenum destFormat,
+                         const gl::Offset &destOffset,
+                         TextureStorage *storage,
+                         GLint level);
+    angle::Result copyCube(const gl::Context *context,
+                           const gl::Framebuffer *framebuffer,
+                           const RECT &sourceRect,
+                           GLenum destFormat,
+                           const gl::Offset &destOffset,
+                           TextureStorage *storage,
+                           gl::TextureTarget target,
+                           GLint level);
+    angle::Result copyTexture(const gl::Context *context,
+                              const gl::Texture *source,
+                              GLint sourceLevel,
+                              const RECT &sourceRect,
+                              GLenum destFormat,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              gl::TextureTarget destTarget,
+                              GLint destLevel,
+                              bool flipY,
+                              bool premultiplyAlpha,
+                              bool unmultiplyAlpha);
+
+    // 2x2 box filter sample from source to dest.
+    // Requires that source is RGB(A) and dest has the same format as source.
+    angle::Result boxFilter(Context9 *context9, IDirect3DSurface9 *source, IDirect3DSurface9 *dest);
+
+  private:
+    Renderer9 *mRenderer;
+
+    bool mGeometryLoaded;
+    IDirect3DVertexBuffer9 *mQuadVertexBuffer;
+    IDirect3DVertexDeclaration9 *mQuadVertexDeclaration;
+
+    // Copy from source texture to dest surface.
+    // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
+    // source is interpreted as RGBA and destFormat specifies the desired result format. For
+    // example, if destFormat = GL_RGB, the alpha channel will be forced to 0.
+    angle::Result formatConvert(Context9 *context9,
+                                IDirect3DBaseTexture9 *source,
+                                const RECT &sourceRect,
+                                const gl::Extents &sourceSize,
+                                GLenum destFormat,
+                                const gl::Offset &destOffset,
+                                IDirect3DSurface9 *dest,
+                                bool flipY,
+                                bool premultiplyAlpha,
+                                bool unmultiplyAlpha);
+    angle::Result setFormatConvertShaders(Context9 *context9,
+                                          GLenum destFormat,
+                                          bool flipY,
+                                          bool premultiplyAlpha,
+                                          bool unmultiplyAlpha);
+
+    angle::Result copy(Context9 *context9,
+                       IDirect3DSurface9 *source,
+                       IDirect3DBaseTexture9 *sourceTexture,
+                       const RECT &sourceRect,
+                       GLenum destFormat,
+                       const gl::Offset &destOffset,
+                       IDirect3DSurface9 *dest,
+                       bool flipY,
+                       bool premultiplyAlpha,
+                       bool unmultiplyAlpha);
+    angle::Result copySurfaceToTexture(Context9 *context9,
+                                       IDirect3DSurface9 *surface,
+                                       const RECT &sourceRect,
+                                       angle::ComPtr<IDirect3DBaseTexture9> *outTexture);
+    void setViewportAndShaderConstants(const RECT &sourceRect,
+                                       const gl::Extents &sourceSize,
+                                       const RECT &destRect,
+                                       bool flipY);
+    void setCommonBlitState();
+    RECT getSurfaceRect(IDirect3DSurface9 *surface) const;
+    gl::Extents getSurfaceSize(IDirect3DSurface9 *surface) const;
+
+    // This enum is used to index mCompiledShaders and mShaderSource.
+    enum ShaderId
+    {
+        SHADER_VS_STANDARD,
+        SHADER_PS_PASSTHROUGH,
+        SHADER_PS_LUMINANCE,
+        SHADER_PS_LUMINANCE_PREMULTIPLY_ALPHA,
+        SHADER_PS_LUMINANCE_UNMULTIPLY_ALPHA,
+        SHADER_PS_COMPONENTMASK,
+        SHADER_PS_COMPONENTMASK_PREMULTIPLY_ALPHA,
+        SHADER_PS_COMPONENTMASK_UNMULTIPLY_ALPHA,
+        SHADER_COUNT,
+    };
+
+    // This actually contains IDirect3DVertexShader9 or IDirect3DPixelShader9 casted to IUnknown.
+    IUnknown *mCompiledShaders[SHADER_COUNT];
+
+    template <class D3DShaderType>
+    angle::Result setShader(Context9 *,
+                            ShaderId source,
+                            const char *profile,
+                            angle::Result (Renderer9::*createShader)(d3d::Context *context,
+                                                                     const DWORD *,
+                                                                     size_t length,
+                                                                     D3DShaderType **outShader),
+                            HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType *));
+
+    angle::Result setVertexShader(Context9 *context9, ShaderId shader);
+    angle::Result setPixelShader(Context9 *context9, ShaderId shader);
+    void render();
+
+    void saveState();
+    void restoreState();
+    IDirect3DStateBlock9 *mSavedStateBlock;
+    IDirect3DSurface9 *mSavedRenderTarget;
+    IDirect3DSurface9 *mSavedDepthStencil;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.cpp
new file mode 100644
index 0000000000..dbf875134b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.cpp
@@ -0,0 +1,141 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Buffer9.cpp Defines the Buffer9 class.
+
+#include "libANGLE/renderer/d3d/d3d9/Buffer9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+
+namespace rx
+{
+
+Buffer9::Buffer9(const gl::BufferState &state, Renderer9 *renderer)
+    : BufferD3D(state, renderer), mSize(0)
+{}
+
+Buffer9::~Buffer9()
+{
+    mSize = 0;
+}
+
+size_t Buffer9::getSize() const
+{
+    return mSize;
+}
+
+bool Buffer9::supportsDirectBinding() const
+{
+    return false;
+}
+
+angle::Result Buffer9::setData(const gl::Context *context,
+                               gl::BufferBinding target,
+                               const void *data,
+                               size_t size,
+                               gl::BufferUsage usage)
+{
+    if (size > mMemory.size())
+    {
+        ANGLE_CHECK_GL_ALLOC(GetImplAs<Context9>(context), mMemory.resize(size));
+    }
+
+    mSize = size;
+    if (data && size > 0)
+    {
+        memcpy(mMemory.data(), data, size);
+    }
+
+    updateD3DBufferUsage(context, usage);
+
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer9::getData(const gl::Context *context, const uint8_t **outData)
+{
+    if (mMemory.empty())
+    {
+        *outData = nullptr;
+    }
+    else
+    {
+        *outData = mMemory.data();
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer9::setSubData(const gl::Context *context,
+                                  gl::BufferBinding target,
+                                  const void *data,
+                                  size_t size,
+                                  size_t offset)
+{
+    if (offset + size > mMemory.size())
+    {
+        ANGLE_CHECK_GL_ALLOC(GetImplAs<Context9>(context), mMemory.resize(size + offset));
+    }
+
+    mSize = std::max(mSize, offset + size);
+    if (data && size > 0)
+    {
+        memcpy(mMemory.data() + offset, data, size);
+    }
+
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer9::copySubData(const gl::Context *context,
+                                   BufferImpl *source,
+                                   GLintptr sourceOffset,
+                                   GLintptr destOffset,
+                                   GLsizeiptr size)
+{
+    // Note: this method is currently unreachable
+    Buffer9 *sourceBuffer = GetAs<Buffer9>(source);
+    ASSERT(sourceBuffer);
+
+    memcpy(mMemory.data() + destOffset, sourceBuffer->mMemory.data() + sourceOffset, size);
+
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+// We do not support buffer mapping in D3D9
+angle::Result Buffer9::map(const gl::Context *context, GLenum access, void **mapPtr)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Buffer9::mapRange(const gl::Context *context,
+                                size_t offset,
+                                size_t length,
+                                GLbitfield access,
+                                void **mapPtr)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Buffer9::unmap(const gl::Context *context, GLboolean *result)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Buffer9::markTransformFeedbackUsage(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.h
new file mode 100644
index 0000000000..dad120d75b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.h
@@ -0,0 +1,63 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Buffer9.h: Defines the rx::Buffer9 class which implements rx::BufferImpl via rx::BufferD3D.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_BUFFER9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_BUFFER9_H_
+
+#include "common/MemoryBuffer.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+
+namespace rx
+{
+class Renderer9;
+
+class Buffer9 : public BufferD3D
+{
+  public:
+    Buffer9(const gl::BufferState &state, Renderer9 *renderer);
+    ~Buffer9() override;
+
+    // BufferD3D implementation
+    size_t getSize() const override;
+    bool supportsDirectBinding() const override;
+    angle::Result getData(const gl::Context *context, const uint8_t **outData) override;
+
+    // BufferImpl implementation
+    angle::Result setData(const gl::Context *context,
+                          gl::BufferBinding target,
+                          const void *data,
+                          size_t size,
+                          gl::BufferUsage usage) override;
+    angle::Result setSubData(const gl::Context *context,
+                             gl::BufferBinding target,
+                             const void *data,
+                             size_t size,
+                             size_t offset) override;
+    angle::Result copySubData(const gl::Context *context,
+                              BufferImpl *source,
+                              GLintptr sourceOffset,
+                              GLintptr destOffset,
+                              GLsizeiptr size) override;
+    angle::Result map(const gl::Context *context, GLenum access, void **mapPtr) override;
+    angle::Result mapRange(const gl::Context *context,
+                           size_t offset,
+                           size_t length,
+                           GLbitfield access,
+                           void **mapPtr) override;
+    angle::Result unmap(const gl::Context *context, GLboolean *result) override;
+    angle::Result markTransformFeedbackUsage(const gl::Context *context) override;
+
+  private:
+    angle::MemoryBuffer mMemory;
+    size_t mSize;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_BUFFER9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Context9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Context9.cpp
new file mode 100644
index 0000000000..b879d9c93b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Context9.cpp
@@ -0,0 +1,529 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context9:
+//   D3D9-specific functionality associated with a GL Context.
+//
+
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+
+#include "common/entry_points_enum_autogen.h"
+#include "common/string_utils.h"
+#include "libANGLE/renderer/OverlayImpl.h"
+#include "libANGLE/renderer/d3d/CompilerD3D.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+#include "libANGLE/renderer/d3d/SamplerD3D.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/Buffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/Fence9.h"
+#include "libANGLE/renderer/d3d/d3d9/Framebuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/Query9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/StateManager9.h"
+#include "libANGLE/renderer/d3d/d3d9/VertexArray9.h"
+
+namespace rx
+{
+
+Context9::Context9(const gl::State &state, gl::ErrorSet *errorSet, Renderer9 *renderer)
+    : ContextD3D(state, errorSet), mRenderer(renderer)
+{}
+
+Context9::~Context9() {}
+
+angle::Result Context9::initialize()
+{
+    return angle::Result::Continue;
+}
+
+void Context9::onDestroy(const gl::Context *context)
+{
+    mIncompleteTextures.onDestroy(context);
+}
+
+CompilerImpl *Context9::createCompiler()
+{
+    return new CompilerD3D(SH_HLSL_3_0_OUTPUT);
+}
+
+ShaderImpl *Context9::createShader(const gl::ShaderState &data)
+{
+    return new ShaderD3D(data, mRenderer);
+}
+
+ProgramImpl *Context9::createProgram(const gl::ProgramState &data)
+{
+    return new ProgramD3D(data, mRenderer);
+}
+
+FramebufferImpl *Context9::createFramebuffer(const gl::FramebufferState &data)
+{
+    return new Framebuffer9(data, mRenderer);
+}
+
+TextureImpl *Context9::createTexture(const gl::TextureState &state)
+{
+    switch (state.getType())
+    {
+        case gl::TextureType::_2D:
+        // GL_TEXTURE_VIDEO_IMAGE_WEBGL maps to 2D texture on Windows platform.
+        case gl::TextureType::VideoImage:
+            return new TextureD3D_2D(state, mRenderer);
+        case gl::TextureType::CubeMap:
+            return new TextureD3D_Cube(state, mRenderer);
+        case gl::TextureType::External:
+            return new TextureD3D_External(state, mRenderer);
+        default:
+            UNREACHABLE();
+    }
+    return nullptr;
+}
+
+RenderbufferImpl *Context9::createRenderbuffer(const gl::RenderbufferState &state)
+{
+    return new RenderbufferD3D(state, mRenderer);
+}
+
+BufferImpl *Context9::createBuffer(const gl::BufferState &state)
+{
+    return new Buffer9(state, mRenderer);
+}
+
+VertexArrayImpl *Context9::createVertexArray(const gl::VertexArrayState &data)
+{
+    return new VertexArray9(data);
+}
+
+QueryImpl *Context9::createQuery(gl::QueryType type)
+{
+    return new Query9(mRenderer, type);
+}
+
+FenceNVImpl *Context9::createFenceNV()
+{
+    return new FenceNV9(mRenderer);
+}
+
+SyncImpl *Context9::createSync()
+{
+    // D3D9 doesn't support ES 3.0 and its sync objects.
+    UNREACHABLE();
+    return nullptr;
+}
+
+TransformFeedbackImpl *Context9::createTransformFeedback(const gl::TransformFeedbackState &state)
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+SamplerImpl *Context9::createSampler(const gl::SamplerState &state)
+{
+    return new SamplerD3D(state);
+}
+
+ProgramPipelineImpl *Context9::createProgramPipeline(const gl::ProgramPipelineState &data)
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+MemoryObjectImpl *Context9::createMemoryObject()
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+SemaphoreImpl *Context9::createSemaphore()
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+OverlayImpl *Context9::createOverlay(const gl::OverlayState &state)
+{
+    // Not implemented.
+    return new OverlayImpl(state);
+}
+
+angle::Result Context9::flush(const gl::Context *context)
+{
+    return mRenderer->flush(context);
+}
+
+angle::Result Context9::finish(const gl::Context *context)
+{
+    return mRenderer->finish(context);
+}
+
+angle::Result Context9::drawArrays(const gl::Context *context,
+                                   gl::PrimitiveMode mode,
+                                   GLint first,
+                                   GLsizei count)
+{
+    return mRenderer->genericDrawArrays(context, mode, first, count, 0);
+}
+
+angle::Result Context9::drawArraysInstanced(const gl::Context *context,
+                                            gl::PrimitiveMode mode,
+                                            GLint first,
+                                            GLsizei count,
+                                            GLsizei instanceCount)
+{
+    return mRenderer->genericDrawArrays(context, mode, first, count, instanceCount);
+}
+
+angle::Result Context9::drawArraysInstancedBaseInstance(const gl::Context *context,
+                                                        gl::PrimitiveMode mode,
+                                                        GLint first,
+                                                        GLsizei count,
+                                                        GLsizei instanceCount,
+                                                        GLuint baseInstance)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::drawElements(const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     GLsizei count,
+                                     gl::DrawElementsType type,
+                                     const void *indices)
+{
+    return mRenderer->genericDrawElements(context, mode, count, type, indices, 0);
+}
+
+angle::Result Context9::drawElementsBaseVertex(const gl::Context *context,
+                                               gl::PrimitiveMode mode,
+                                               GLsizei count,
+                                               gl::DrawElementsType type,
+                                               const void *indices,
+                                               GLint baseVertex)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::drawElementsInstanced(const gl::Context *context,
+                                              gl::PrimitiveMode mode,
+                                              GLsizei count,
+                                              gl::DrawElementsType type,
+                                              const void *indices,
+                                              GLsizei instances)
+{
+    return mRenderer->genericDrawElements(context, mode, count, type, indices, instances);
+}
+
+angle::Result Context9::drawElementsInstancedBaseVertex(const gl::Context *context,
+                                                        gl::PrimitiveMode mode,
+                                                        GLsizei count,
+                                                        gl::DrawElementsType type,
+                                                        const void *indices,
+                                                        GLsizei instances,
+                                                        GLint baseVertex)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::drawElementsInstancedBaseVertexBaseInstance(const gl::Context *context,
+                                                                    gl::PrimitiveMode mode,
+                                                                    GLsizei count,
+                                                                    gl::DrawElementsType type,
+                                                                    const void *indices,
+                                                                    GLsizei instances,
+                                                                    GLint baseVertex,
+                                                                    GLuint baseInstance)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::drawRangeElements(const gl::Context *context,
+                                          gl::PrimitiveMode mode,
+                                          GLuint start,
+                                          GLuint end,
+                                          GLsizei count,
+                                          gl::DrawElementsType type,
+                                          const void *indices)
+{
+    return mRenderer->genericDrawElements(context, mode, count, type, indices, 0);
+}
+
+angle::Result Context9::drawRangeElementsBaseVertex(const gl::Context *context,
+                                                    gl::PrimitiveMode mode,
+                                                    GLuint start,
+                                                    GLuint end,
+                                                    GLsizei count,
+                                                    gl::DrawElementsType type,
+                                                    const void *indices,
+                                                    GLint baseVertex)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::drawArraysIndirect(const gl::Context *context,
+                                           gl::PrimitiveMode mode,
+                                           const void *indirect)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::drawElementsIndirect(const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             gl::DrawElementsType type,
+                                             const void *indirect)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::multiDrawArrays(const gl::Context *context,
+                                        gl::PrimitiveMode mode,
+                                        const GLint *firsts,
+                                        const GLsizei *counts,
+                                        GLsizei drawcount)
+{
+    return rx::MultiDrawArraysGeneral(this, context, mode, firsts, counts, drawcount);
+}
+
+angle::Result Context9::multiDrawArraysInstanced(const gl::Context *context,
+                                                 gl::PrimitiveMode mode,
+                                                 const GLint *firsts,
+                                                 const GLsizei *counts,
+                                                 const GLsizei *instanceCounts,
+                                                 GLsizei drawcount)
+{
+    return rx::MultiDrawArraysInstancedGeneral(this, context, mode, firsts, counts, instanceCounts,
+                                               drawcount);
+}
+
+angle::Result Context9::multiDrawArraysIndirect(const gl::Context *context,
+                                                gl::PrimitiveMode mode,
+                                                const void *indirect,
+                                                GLsizei drawcount,
+                                                GLsizei stride)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::multiDrawElements(const gl::Context *context,
+                                          gl::PrimitiveMode mode,
+                                          const GLsizei *counts,
+                                          gl::DrawElementsType type,
+                                          const GLvoid *const *indices,
+                                          GLsizei drawcount)
+{
+    return rx::MultiDrawElementsGeneral(this, context, mode, counts, type, indices, drawcount);
+}
+
+angle::Result Context9::multiDrawElementsInstanced(const gl::Context *context,
+                                                   gl::PrimitiveMode mode,
+                                                   const GLsizei *counts,
+                                                   gl::DrawElementsType type,
+                                                   const GLvoid *const *indices,
+                                                   const GLsizei *instanceCounts,
+                                                   GLsizei drawcount)
+{
+    return rx::MultiDrawElementsInstancedGeneral(this, context, mode, counts, type, indices,
+                                                 instanceCounts, drawcount);
+}
+
+angle::Result Context9::multiDrawElementsIndirect(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  gl::DrawElementsType type,
+                                                  const void *indirect,
+                                                  GLsizei drawcount,
+                                                  GLsizei stride)
+{
+    UNREACHABLE();
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::multiDrawArraysInstancedBaseInstance(const gl::Context *context,
+                                                             gl::PrimitiveMode mode,
+                                                             const GLint *firsts,
+                                                             const GLsizei *counts,
+                                                             const GLsizei *instanceCounts,
+                                                             const GLuint *baseInstances,
+                                                             GLsizei drawcount)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::multiDrawElementsInstancedBaseVertexBaseInstance(
+    const gl::Context *context,
+    gl::PrimitiveMode mode,
+    const GLsizei *counts,
+    gl::DrawElementsType type,
+    const GLvoid *const *indices,
+    const GLsizei *instanceCounts,
+    const GLint *baseVertices,
+    const GLuint *baseInstances,
+    GLsizei drawcount)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+gl::GraphicsResetStatus Context9::getResetStatus()
+{
+    return mRenderer->getResetStatus();
+}
+
+angle::Result Context9::insertEventMarker(GLsizei length, const char *marker)
+{
+    mRenderer->getAnnotator()->setMarker(/*context=*/nullptr, marker);
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::pushGroupMarker(GLsizei length, const char *marker)
+{
+    mRenderer->getAnnotator()->beginEvent(nullptr, angle::EntryPoint::GLPushGroupMarkerEXT, marker,
+                                          marker);
+    mMarkerStack.push(std::string(marker));
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::popGroupMarker()
+{
+    const char *marker = nullptr;
+    if (!mMarkerStack.empty())
+    {
+        marker = mMarkerStack.top().c_str();
+        mMarkerStack.pop();
+        mRenderer->getAnnotator()->endEvent(nullptr, marker,
+                                            angle::EntryPoint::GLPopGroupMarkerEXT);
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Context9::pushDebugGroup(const gl::Context *context,
+                                       GLenum source,
+                                       GLuint id,
+                                       const std::string &message)
+{
+    // Fall through to the EXT_debug_marker functions
+    return pushGroupMarker(static_cast<GLsizei>(message.size()), message.c_str());
+}
+
+angle::Result Context9::popDebugGroup(const gl::Context *context)
+{
+    // Fall through to the EXT_debug_marker functions
+    return popGroupMarker();
+}
+
+angle::Result Context9::syncState(const gl::Context *context,
+                                  const gl::State::DirtyBits &dirtyBits,
+                                  const gl::State::DirtyBits &bitMask,
+                                  gl::Command command)
+{
+    mRenderer->getStateManager()->syncState(mState, dirtyBits);
+    return angle::Result::Continue;
+}
+
+GLint Context9::getGPUDisjoint()
+{
+    return mRenderer->getGPUDisjoint();
+}
+
+GLint64 Context9::getTimestamp()
+{
+    return mRenderer->getTimestamp();
+}
+
+angle::Result Context9::onMakeCurrent(const gl::Context *context)
+{
+    mRenderer->getStateManager()->setAllDirtyBits();
+    return mRenderer->ensureVertexDataManagerInitialized(context);
+}
+
+gl::Caps Context9::getNativeCaps() const
+{
+    return mRenderer->getNativeCaps();
+}
+
+const gl::TextureCapsMap &Context9::getNativeTextureCaps() const
+{
+    return mRenderer->getNativeTextureCaps();
+}
+
+const gl::Extensions &Context9::getNativeExtensions() const
+{
+    return mRenderer->getNativeExtensions();
+}
+
+const gl::Limitations &Context9::getNativeLimitations() const
+{
+    return mRenderer->getNativeLimitations();
+}
+
+ShPixelLocalStorageType Context9::getNativePixelLocalStorageType() const
+{
+    return mRenderer->getNativePixelLocalStorageType();
+}
+
+angle::Result Context9::dispatchCompute(const gl::Context *context,
+                                        GLuint numGroupsX,
+                                        GLuint numGroupsY,
+                                        GLuint numGroupsZ)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::dispatchComputeIndirect(const gl::Context *context, GLintptr indirect)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::memoryBarrier(const gl::Context *context, GLbitfield barriers)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::memoryBarrierByRegion(const gl::Context *context, GLbitfield barriers)
+{
+    ANGLE_HR_UNREACHABLE(this);
+    return angle::Result::Stop;
+}
+
+angle::Result Context9::getIncompleteTexture(const gl::Context *context,
+                                             gl::TextureType type,
+                                             gl::Texture **textureOut)
+{
+    return mIncompleteTextures.getIncompleteTexture(context, type, gl::SamplerFormat::Float,
+                                                    nullptr, textureOut);
+}
+
+void Context9::handleResult(HRESULT hr,
+                            const char *message,
+                            const char *file,
+                            const char *function,
+                            unsigned int line)
+{
+    ASSERT(FAILED(hr));
+
+    if (d3d9::isDeviceLostError(hr))
+    {
+        mRenderer->notifyDeviceLost();
+    }
+
+    GLenum glErrorCode = DefaultGLErrorCode(hr);
+
+    std::stringstream errorStream;
+    errorStream << "Internal D3D9 error: " << gl::FmtHR(hr) << ": " << message;
+
+    mErrors->handleError(glErrorCode, errorStream.str().c_str(), file, function, line);
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Context9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Context9.h
new file mode 100644
index 0000000000..ce3e930295
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Context9.h
@@ -0,0 +1,265 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Context9:
+//   D3D9-specific functionality associated with a GL Context.
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_CONTEXT9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_CONTEXT9_H_
+
+#include <stack>
+#include "libANGLE/renderer/d3d/ContextD3D.h"
+
+namespace rx
+{
+class Renderer9;
+
+class Context9 : public ContextD3D
+{
+  public:
+    Context9(const gl::State &state, gl::ErrorSet *errorSet, Renderer9 *renderer);
+    ~Context9() override;
+
+    angle::Result initialize() override;
+    void onDestroy(const gl::Context *context) override;
+
+    // Shader creation
+    CompilerImpl *createCompiler() override;
+    ShaderImpl *createShader(const gl::ShaderState &data) override;
+    ProgramImpl *createProgram(const gl::ProgramState &data) override;
+
+    // Framebuffer creation
+    FramebufferImpl *createFramebuffer(const gl::FramebufferState &data) override;
+
+    // Texture creation
+    TextureImpl *createTexture(const gl::TextureState &state) override;
+
+    // Renderbuffer creation
+    RenderbufferImpl *createRenderbuffer(const gl::RenderbufferState &state) override;
+
+    // Buffer creation
+    BufferImpl *createBuffer(const gl::BufferState &state) override;
+
+    // Vertex Array creation
+    VertexArrayImpl *createVertexArray(const gl::VertexArrayState &data) override;
+
+    // Query and Fence creation
+    QueryImpl *createQuery(gl::QueryType type) override;
+    FenceNVImpl *createFenceNV() override;
+    SyncImpl *createSync() override;
+
+    // Transform Feedback creation
+    TransformFeedbackImpl *createTransformFeedback(
+        const gl::TransformFeedbackState &state) override;
+
+    // Sampler object creation
+    SamplerImpl *createSampler(const gl::SamplerState &state) override;
+
+    // Program Pipeline object creation
+    ProgramPipelineImpl *createProgramPipeline(const gl::ProgramPipelineState &data) override;
+
+    // Memory object creation.
+    MemoryObjectImpl *createMemoryObject() override;
+
+    // Semaphore creation.
+    SemaphoreImpl *createSemaphore() override;
+
+    // Overlay creation.
+    OverlayImpl *createOverlay(const gl::OverlayState &state) override;
+
+    // Flush and finish.
+    angle::Result flush(const gl::Context *context) override;
+    angle::Result finish(const gl::Context *context) override;
+
+    // Drawing methods.
+    angle::Result drawArrays(const gl::Context *context,
+                             gl::PrimitiveMode mode,
+                             GLint first,
+                             GLsizei count) override;
+    angle::Result drawArraysInstanced(const gl::Context *context,
+                                      gl::PrimitiveMode mode,
+                                      GLint first,
+                                      GLsizei count,
+                                      GLsizei instanceCount) override;
+    angle::Result drawArraysInstancedBaseInstance(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  GLint first,
+                                                  GLsizei count,
+                                                  GLsizei instanceCount,
+                                                  GLuint baseInstance) override;
+
+    angle::Result drawElements(const gl::Context *context,
+                               gl::PrimitiveMode mode,
+                               GLsizei count,
+                               gl::DrawElementsType type,
+                               const void *indices) override;
+    angle::Result drawElementsBaseVertex(const gl::Context *context,
+                                         gl::PrimitiveMode mode,
+                                         GLsizei count,
+                                         gl::DrawElementsType type,
+                                         const void *indices,
+                                         GLint baseVertex) override;
+    angle::Result drawElementsInstanced(const gl::Context *context,
+                                        gl::PrimitiveMode mode,
+                                        GLsizei count,
+                                        gl::DrawElementsType type,
+                                        const void *indices,
+                                        GLsizei instances) override;
+    angle::Result drawElementsInstancedBaseVertex(const gl::Context *context,
+                                                  gl::PrimitiveMode mode,
+                                                  GLsizei count,
+                                                  gl::DrawElementsType type,
+                                                  const void *indices,
+                                                  GLsizei instances,
+                                                  GLint baseVertex) override;
+    angle::Result drawElementsInstancedBaseVertexBaseInstance(const gl::Context *context,
+                                                              gl::PrimitiveMode mode,
+                                                              GLsizei count,
+                                                              gl::DrawElementsType type,
+                                                              const void *indices,
+                                                              GLsizei instances,
+                                                              GLint baseVertex,
+                                                              GLuint baseInstance) override;
+    angle::Result drawRangeElements(const gl::Context *context,
+                                    gl::PrimitiveMode mode,
+                                    GLuint start,
+                                    GLuint end,
+                                    GLsizei count,
+                                    gl::DrawElementsType type,
+                                    const void *indices) override;
+    angle::Result drawRangeElementsBaseVertex(const gl::Context *context,
+                                              gl::PrimitiveMode mode,
+                                              GLuint start,
+                                              GLuint end,
+                                              GLsizei count,
+                                              gl::DrawElementsType type,
+                                              const void *indices,
+                                              GLint baseVertex) override;
+    angle::Result drawArraysIndirect(const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     const void *indirect) override;
+    angle::Result drawElementsIndirect(const gl::Context *context,
+                                       gl::PrimitiveMode mode,
+                                       gl::DrawElementsType type,
+                                       const void *indirect) override;
+
+    angle::Result multiDrawArrays(const gl::Context *context,
+                                  gl::PrimitiveMode mode,
+                                  const GLint *firsts,
+                                  const GLsizei *counts,
+                                  GLsizei drawcount) override;
+    angle::Result multiDrawArraysInstanced(const gl::Context *context,
+                                           gl::PrimitiveMode mode,
+                                           const GLint *firsts,
+                                           const GLsizei *counts,
+                                           const GLsizei *instanceCounts,
+                                           GLsizei drawcount) override;
+    angle::Result multiDrawArraysIndirect(const gl::Context *context,
+                                          gl::PrimitiveMode mode,
+                                          const void *indirect,
+                                          GLsizei drawcount,
+                                          GLsizei stride) override;
+    angle::Result multiDrawElements(const gl::Context *context,
+                                    gl::PrimitiveMode mode,
+                                    const GLsizei *counts,
+                                    gl::DrawElementsType type,
+                                    const GLvoid *const *indices,
+                                    GLsizei drawcount) override;
+    angle::Result multiDrawElementsInstanced(const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             const GLsizei *counts,
+                                             gl::DrawElementsType type,
+                                             const GLvoid *const *indices,
+                                             const GLsizei *instanceCounts,
+                                             GLsizei drawcount) override;
+    angle::Result multiDrawElementsIndirect(const gl::Context *context,
+                                            gl::PrimitiveMode mode,
+                                            gl::DrawElementsType type,
+                                            const void *indirect,
+                                            GLsizei drawcount,
+                                            GLsizei stride) override;
+    angle::Result multiDrawArraysInstancedBaseInstance(const gl::Context *context,
+                                                       gl::PrimitiveMode mode,
+                                                       const GLint *firsts,
+                                                       const GLsizei *counts,
+                                                       const GLsizei *instanceCounts,
+                                                       const GLuint *baseInstances,
+                                                       GLsizei drawcount) override;
+    angle::Result multiDrawElementsInstancedBaseVertexBaseInstance(const gl::Context *context,
+                                                                   gl::PrimitiveMode mode,
+                                                                   const GLsizei *counts,
+                                                                   gl::DrawElementsType type,
+                                                                   const GLvoid *const *indices,
+                                                                   const GLsizei *instanceCounts,
+                                                                   const GLint *baseVertices,
+                                                                   const GLuint *baseInstances,
+                                                                   GLsizei drawcount) override;
+
+    // Device loss
+    gl::GraphicsResetStatus getResetStatus() override;
+
+    // EXT_debug_marker
+    angle::Result insertEventMarker(GLsizei length, const char *marker) override;
+    angle::Result pushGroupMarker(GLsizei length, const char *marker) override;
+    angle::Result popGroupMarker() override;
+
+    // KHR_debug
+    angle::Result pushDebugGroup(const gl::Context *context,
+                                 GLenum source,
+                                 GLuint id,
+                                 const std::string &message) override;
+    angle::Result popDebugGroup(const gl::Context *context) override;
+
+    // State sync with dirty bits.
+    angle::Result syncState(const gl::Context *context,
+                            const gl::State::DirtyBits &dirtyBits,
+                            const gl::State::DirtyBits &bitMask,
+                            gl::Command command) override;
+
+    // Disjoint timer queries
+    GLint getGPUDisjoint() override;
+    GLint64 getTimestamp() override;
+
+    // Context switching
+    angle::Result onMakeCurrent(const gl::Context *context) override;
+
+    // Caps queries
+    gl::Caps getNativeCaps() const override;
+    const gl::TextureCapsMap &getNativeTextureCaps() const override;
+    const gl::Extensions &getNativeExtensions() const override;
+    const gl::Limitations &getNativeLimitations() const override;
+    ShPixelLocalStorageType getNativePixelLocalStorageType() const override;
+
+    angle::Result dispatchCompute(const gl::Context *context,
+                                  GLuint numGroupsX,
+                                  GLuint numGroupsY,
+                                  GLuint numGroupsZ) override;
+    angle::Result dispatchComputeIndirect(const gl::Context *context, GLintptr indirect) override;
+
+    angle::Result memoryBarrier(const gl::Context *context, GLbitfield barriers) override;
+    angle::Result memoryBarrierByRegion(const gl::Context *context, GLbitfield barriers) override;
+
+    Renderer9 *getRenderer() const { return mRenderer; }
+
+    angle::Result getIncompleteTexture(const gl::Context *context,
+                                       gl::TextureType type,
+                                       gl::Texture **textureOut);
+
+    void handleResult(HRESULT hr,
+                      const char *message,
+                      const char *file,
+                      const char *function,
+                      unsigned int line) override;
+
+  private:
+    Renderer9 *mRenderer;
+    IncompleteTextureSet mIncompleteTextures;
+    std::stack<std::string> mMarkerStack;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_CONTEXT9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/DebugAnnotator9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/DebugAnnotator9.cpp
new file mode 100644
index 0000000000..7e597e564b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/DebugAnnotator9.cpp
@@ -0,0 +1,48 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DebugAnnotator9.h: D3D9 helpers for adding trace annotations.
+//
+
+#include "libANGLE/renderer/d3d/d3d9/DebugAnnotator9.h"
+
+#include "common/platform.h"
+
+namespace rx
+{
+
+void DebugAnnotator9::beginEvent(gl::Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 const char *eventName,
+                                 const char *eventMessage)
+{
+    angle::LoggingAnnotator::beginEvent(context, entryPoint, eventName, eventMessage);
+    std::mbstate_t state = std::mbstate_t();
+    std::mbsrtowcs(mWCharMessage, &eventMessage, kMaxMessageLength, &state);
+    D3DPERF_BeginEvent(0, mWCharMessage);
+}
+
+void DebugAnnotator9::endEvent(gl::Context *context,
+                               const char *eventName,
+                               angle::EntryPoint entryPoint)
+{
+    angle::LoggingAnnotator::endEvent(context, eventName, entryPoint);
+    D3DPERF_EndEvent();
+}
+
+void DebugAnnotator9::setMarker(gl::Context *context, const char *markerName)
+{
+    angle::LoggingAnnotator::setMarker(context, markerName);
+    std::mbstate_t state = std::mbstate_t();
+    std::mbsrtowcs(mWCharMessage, &markerName, kMaxMessageLength, &state);
+    D3DPERF_SetMarker(0, mWCharMessage);
+}
+
+bool DebugAnnotator9::getStatus(const gl::Context *context)
+{
+    return !!D3DPERF_GetStatus();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/DebugAnnotator9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/DebugAnnotator9.h
new file mode 100644
index 0000000000..40f8189bea
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/DebugAnnotator9.h
@@ -0,0 +1,38 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DebugAnnotator9.h: D3D9 helpers for adding trace annotations.
+//
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_DEBUGANNOTATOR9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_DEBUGANNOTATOR9_H_
+
+#include "libANGLE/LoggingAnnotator.h"
+
+namespace rx
+{
+
+class DebugAnnotator9 : public angle::LoggingAnnotator
+{
+  public:
+    DebugAnnotator9() {}
+    void beginEvent(gl::Context *context,
+                    angle::EntryPoint entryPoint,
+                    const char *eventName,
+                    const char *eventMessage) override;
+    void endEvent(gl::Context *context,
+                  const char *eventName,
+                  angle::EntryPoint entryPoint) override;
+    void setMarker(gl::Context *context, const char *markerName) override;
+    bool getStatus(const gl::Context *context) override;
+
+  private:
+    static constexpr size_t kMaxMessageLength = 256;
+    wchar_t mWCharMessage[kMaxMessageLength];
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_DEBUGANNOTATOR9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.cpp
new file mode 100644
index 0000000000..e844a9ae70
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.cpp
@@ -0,0 +1,73 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Fence9.cpp: Defines the rx::FenceNV9 class.
+
+#include "libANGLE/renderer/d3d/d3d9/Fence9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+
+FenceNV9::FenceNV9(Renderer9 *renderer) : FenceNVImpl(), mRenderer(renderer), mQuery(nullptr) {}
+
+FenceNV9::~FenceNV9()
+{
+    SafeRelease(mQuery);
+}
+
+angle::Result FenceNV9::set(const gl::Context *context, GLenum condition)
+{
+    if (!mQuery)
+    {
+        ANGLE_TRY(mRenderer->allocateEventQuery(context, &mQuery));
+    }
+
+    HRESULT result = mQuery->Issue(D3DISSUE_END);
+    if (FAILED(result))
+    {
+        SafeRelease(mQuery);
+    }
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to end event query");
+    return angle::Result::Continue;
+}
+
+angle::Result FenceNV9::test(const gl::Context *context, GLboolean *outFinished)
+{
+    return testHelper(GetImplAs<Context9>(context), true, outFinished);
+}
+
+angle::Result FenceNV9::finish(const gl::Context *context)
+{
+    GLboolean finished = GL_FALSE;
+    while (finished != GL_TRUE)
+    {
+        ANGLE_TRY(testHelper(GetImplAs<Context9>(context), true, &finished));
+        Sleep(0);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result FenceNV9::testHelper(Context9 *context9,
+                                   bool flushCommandBuffer,
+                                   GLboolean *outFinished)
+{
+    ASSERT(mQuery);
+
+    DWORD getDataFlags = (flushCommandBuffer ? D3DGETDATA_FLUSH : 0);
+    HRESULT result     = mQuery->GetData(nullptr, 0, getDataFlags);
+    ANGLE_TRY_HR(context9, result, "Failed to get query data");
+    ASSERT(result == S_OK || result == S_FALSE);
+    *outFinished = ((result == S_OK) ? GL_TRUE : GL_FALSE);
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.h
new file mode 100644
index 0000000000..c46671c102
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.h
@@ -0,0 +1,39 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Fence9.h: Defines the rx::FenceNV9 class which implements rx::FenceNVImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_FENCE9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_FENCE9_H_
+
+#include "libANGLE/renderer/FenceNVImpl.h"
+#include "libANGLE/renderer/SyncImpl.h"
+
+namespace rx
+{
+class Context9;
+class Renderer9;
+
+class FenceNV9 : public FenceNVImpl
+{
+  public:
+    explicit FenceNV9(Renderer9 *renderer);
+    ~FenceNV9() override;
+
+    void onDestroy(const gl::Context *context) override {}
+    angle::Result set(const gl::Context *context, GLenum condition) override;
+    angle::Result test(const gl::Context *context, GLboolean *outFinished) override;
+    angle::Result finish(const gl::Context *context) override;
+
+  private:
+    angle::Result testHelper(Context9 *context9, bool flushCommandBuffer, GLboolean *outFinished);
+
+    Renderer9 *mRenderer;
+    IDirect3DQuery9 *mQuery;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_FENCE9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Framebuffer9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Framebuffer9.cpp
new file mode 100644
index 0000000000..f90fefac20
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Framebuffer9.cpp
@@ -0,0 +1,416 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Framebuffer9.cpp: Implements the Framebuffer9 class.
+
+#include "libANGLE/renderer/d3d/d3d9/Framebuffer9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/TextureStorage9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace rx
+{
+Framebuffer9::Framebuffer9(const gl::FramebufferState &data, Renderer9 *renderer)
+    : FramebufferD3D(data, renderer), mRenderer(renderer)
+{
+    ASSERT(mRenderer != nullptr);
+}
+
+Framebuffer9::~Framebuffer9() {}
+
+angle::Result Framebuffer9::discard(const gl::Context *context,
+                                    size_t count,
+                                    const GLenum *attachments)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Framebuffer9::invalidate(const gl::Context *context,
+                                       size_t count,
+                                       const GLenum *attachments)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Framebuffer9::invalidateSub(const gl::Context *context,
+                                          size_t count,
+                                          const GLenum *attachments,
+                                          const gl::Rectangle &area)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Framebuffer9::clearImpl(const gl::Context *context,
+                                      const ClearParameters &clearParams)
+{
+    ANGLE_TRY(mRenderer->applyRenderTarget(context, mRenderTargetCache.getColors()[0],
+                                           mRenderTargetCache.getDepthStencil()));
+
+    const gl::State &glState = context->getState();
+    float nearZ              = glState.getNearPlane();
+    float farZ               = glState.getFarPlane();
+    mRenderer->setViewport(glState.getViewport(), nearZ, farZ, gl::PrimitiveMode::Triangles,
+                           glState.getRasterizerState().frontFace, true);
+
+    mRenderer->setScissorRectangle(glState.getScissor(), glState.isScissorTestEnabled());
+
+    mRenderer->clear(clearParams, mRenderTargetCache.getColors()[0],
+                     mRenderTargetCache.getDepthStencil());
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer9::readPixelsImpl(const gl::Context *context,
+                                           const gl::Rectangle &area,
+                                           GLenum format,
+                                           GLenum type,
+                                           size_t outputPitch,
+                                           const gl::PixelPackState &pack,
+                                           gl::Buffer *packBuffer,
+                                           uint8_t *pixels)
+{
+    const gl::FramebufferAttachment *colorbuffer = mState.getColorAttachment(0);
+    ASSERT(colorbuffer);
+
+    RenderTarget9 *renderTarget = nullptr;
+    ANGLE_TRY(colorbuffer->getRenderTarget(context, 0, &renderTarget));
+    ASSERT(renderTarget);
+
+    IDirect3DSurface9 *surface = renderTarget->getSurface();
+    ASSERT(surface);
+
+    D3DSURFACE_DESC desc;
+    surface->GetDesc(&desc);
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    if (desc.MultiSampleType != D3DMULTISAMPLE_NONE)
+    {
+        UNIMPLEMENTED();  // FIXME: Requires resolve using StretchRect into non-multisampled render
+                          // target
+        SafeRelease(surface);
+        ANGLE_TRY_HR(context9, E_OUTOFMEMORY,
+                     "ReadPixels is unimplemented for multisampled framebuffer attachments.");
+    }
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+    ASSERT(device);
+
+    HRESULT result;
+    IDirect3DSurface9 *systemSurface = nullptr;
+    bool directToPixels =
+        !pack.reverseRowOrder && pack.alignment <= 4 && mRenderer->getShareHandleSupport() &&
+        area.x == 0 && area.y == 0 && static_cast<UINT>(area.width) == desc.Width &&
+        static_cast<UINT>(area.height) == desc.Height && desc.Format == D3DFMT_A8R8G8B8 &&
+        format == GL_BGRA_EXT && type == GL_UNSIGNED_BYTE;
+    if (directToPixels)
+    {
+        // Use the pixels ptr as a shared handle to write directly into client's memory
+        result = device->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format,
+                                                     D3DPOOL_SYSTEMMEM, &systemSurface,
+                                                     reinterpret_cast<void **>(&pixels));
+        if (FAILED(result))
+        {
+            // Try again without the shared handle
+            directToPixels = false;
+        }
+    }
+
+    if (!directToPixels)
+    {
+        result = device->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format,
+                                                     D3DPOOL_SYSTEMMEM, &systemSurface, nullptr);
+        if (FAILED(result))
+        {
+            ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
+            SafeRelease(surface);
+            ANGLE_TRY_HR(context9, E_OUTOFMEMORY,
+                         "Failed to allocate internal texture for ReadPixels.");
+        }
+    }
+
+    result = device->GetRenderTargetData(surface, systemSurface);
+    SafeRelease(surface);
+
+    if (FAILED(result))
+    {
+        SafeRelease(systemSurface);
+
+        // It turns out that D3D will sometimes produce more error
+        // codes than those documented.
+        if (d3d9::isDeviceLostError(result))
+        {
+            mRenderer->notifyDeviceLost();
+        }
+        else
+        {
+            UNREACHABLE();
+        }
+
+        ANGLE_TRY_HR(context9, E_OUTOFMEMORY, "Failed to read internal render target data.");
+    }
+
+    if (directToPixels)
+    {
+        SafeRelease(systemSurface);
+        return angle::Result::Continue;
+    }
+
+    RECT rect;
+    rect.left   = gl::clamp(area.x, 0L, static_cast<LONG>(desc.Width));
+    rect.top    = gl::clamp(area.y, 0L, static_cast<LONG>(desc.Height));
+    rect.right  = gl::clamp(area.x + area.width, 0L, static_cast<LONG>(desc.Width));
+    rect.bottom = gl::clamp(area.y + area.height, 0L, static_cast<LONG>(desc.Height));
+
+    D3DLOCKED_RECT lock;
+    result = systemSurface->LockRect(&lock, &rect, D3DLOCK_READONLY);
+
+    if (FAILED(result))
+    {
+        UNREACHABLE();
+        SafeRelease(systemSurface);
+
+        ANGLE_TRY_HR(context9, E_OUTOFMEMORY, "Failed to lock internal render target.");
+    }
+
+    uint8_t *source = static_cast<uint8_t *>(lock.pBits);
+    int inputPitch  = lock.Pitch;
+
+    const d3d9::D3DFormat &d3dFormatInfo = d3d9::GetD3DFormatInfo(desc.Format);
+
+    gl::FormatType formatType(format, type);
+
+    PackPixelsParams packParams;
+    packParams.area.x          = rect.left;
+    packParams.area.y          = rect.top;
+    packParams.area.width      = rect.right - rect.left;
+    packParams.area.height     = rect.bottom - rect.top;
+    packParams.destFormat      = &GetFormatFromFormatType(format, type);
+    packParams.outputPitch     = static_cast<GLuint>(outputPitch);
+    packParams.reverseRowOrder = pack.reverseRowOrder;
+
+    PackPixels(packParams, d3dFormatInfo.info(), inputPitch, source, pixels);
+
+    systemSurface->UnlockRect();
+    SafeRelease(systemSurface);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Framebuffer9::blitImpl(const gl::Context *context,
+                                     const gl::Rectangle &sourceArea,
+                                     const gl::Rectangle &destArea,
+                                     const gl::Rectangle *scissor,
+                                     bool blitRenderTarget,
+                                     bool blitDepth,
+                                     bool blitStencil,
+                                     GLenum filter,
+                                     const gl::Framebuffer *sourceFramebuffer)
+{
+    ASSERT(filter == GL_NEAREST);
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+    ASSERT(device);
+
+    mRenderer->endScene();
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    if (blitRenderTarget)
+    {
+        const gl::FramebufferAttachment *readBuffer = sourceFramebuffer->getColorAttachment(0);
+        ASSERT(readBuffer);
+
+        RenderTarget9 *readRenderTarget = nullptr;
+        ANGLE_TRY(readBuffer->getRenderTarget(context, 0, &readRenderTarget));
+        ASSERT(readRenderTarget);
+
+        const gl::FramebufferAttachment *drawBuffer = mState.getColorAttachment(0);
+        ASSERT(drawBuffer);
+
+        RenderTarget9 *drawRenderTarget = nullptr;
+        ANGLE_TRY(
+            drawBuffer->getRenderTarget(context, drawBuffer->getSamples(), &drawRenderTarget));
+        ASSERT(drawRenderTarget);
+
+        // The getSurface calls do an AddRef so save them until after no errors are possible
+        IDirect3DSurface9 *readSurface = readRenderTarget->getSurface();
+        ASSERT(readSurface);
+
+        IDirect3DSurface9 *drawSurface = drawRenderTarget->getSurface();
+        ASSERT(drawSurface);
+
+        gl::Extents srcSize(readRenderTarget->getWidth(), readRenderTarget->getHeight(), 1);
+        gl::Extents dstSize(drawRenderTarget->getWidth(), drawRenderTarget->getHeight(), 1);
+
+        RECT srcRect;
+        srcRect.left   = sourceArea.x;
+        srcRect.right  = sourceArea.x + sourceArea.width;
+        srcRect.top    = sourceArea.y;
+        srcRect.bottom = sourceArea.y + sourceArea.height;
+
+        RECT dstRect;
+        dstRect.left   = destArea.x;
+        dstRect.right  = destArea.x + destArea.width;
+        dstRect.top    = destArea.y;
+        dstRect.bottom = destArea.y + destArea.height;
+
+        // Clip the rectangles to the scissor rectangle
+        if (scissor)
+        {
+            if (dstRect.left < scissor->x)
+            {
+                srcRect.left += (scissor->x - dstRect.left);
+                dstRect.left = scissor->x;
+            }
+            if (dstRect.top < scissor->y)
+            {
+                srcRect.top += (scissor->y - dstRect.top);
+                dstRect.top = scissor->y;
+            }
+            if (dstRect.right > scissor->x + scissor->width)
+            {
+                srcRect.right -= (dstRect.right - (scissor->x + scissor->width));
+                dstRect.right = scissor->x + scissor->width;
+            }
+            if (dstRect.bottom > scissor->y + scissor->height)
+            {
+                srcRect.bottom -= (dstRect.bottom - (scissor->y + scissor->height));
+                dstRect.bottom = scissor->y + scissor->height;
+            }
+        }
+
+        // Clip the rectangles to the destination size
+        if (dstRect.left < 0)
+        {
+            srcRect.left += -dstRect.left;
+            dstRect.left = 0;
+        }
+        if (dstRect.right > dstSize.width)
+        {
+            srcRect.right -= (dstRect.right - dstSize.width);
+            dstRect.right = dstSize.width;
+        }
+        if (dstRect.top < 0)
+        {
+            srcRect.top += -dstRect.top;
+            dstRect.top = 0;
+        }
+        if (dstRect.bottom > dstSize.height)
+        {
+            srcRect.bottom -= (dstRect.bottom - dstSize.height);
+            dstRect.bottom = dstSize.height;
+        }
+
+        // Clip the rectangles to the source size
+        if (srcRect.left < 0)
+        {
+            dstRect.left += -srcRect.left;
+            srcRect.left = 0;
+        }
+        if (srcRect.right > srcSize.width)
+        {
+            dstRect.right -= (srcRect.right - srcSize.width);
+            srcRect.right = srcSize.width;
+        }
+        if (srcRect.top < 0)
+        {
+            dstRect.top += -srcRect.top;
+            srcRect.top = 0;
+        }
+        if (srcRect.bottom > srcSize.height)
+        {
+            dstRect.bottom -= (srcRect.bottom - srcSize.height);
+            srcRect.bottom = srcSize.height;
+        }
+
+        HRESULT result =
+            device->StretchRect(readSurface, &srcRect, drawSurface, &dstRect, D3DTEXF_NONE);
+
+        SafeRelease(readSurface);
+        SafeRelease(drawSurface);
+
+        ANGLE_TRY_HR(context9, result, "Internal blit failed.");
+    }
+
+    if (blitDepth || blitStencil)
+    {
+        const gl::FramebufferAttachment *readBuffer =
+            sourceFramebuffer->getDepthOrStencilAttachment();
+        ASSERT(readBuffer);
+
+        RenderTarget9 *readDepthStencil = nullptr;
+        ANGLE_TRY(readBuffer->getRenderTarget(context, 0, &readDepthStencil));
+        ASSERT(readDepthStencil);
+
+        const gl::FramebufferAttachment *drawBuffer = mState.getDepthOrStencilAttachment();
+        ASSERT(drawBuffer);
+
+        RenderTarget9 *drawDepthStencil = nullptr;
+        ANGLE_TRY(
+            drawBuffer->getRenderTarget(context, drawBuffer->getSamples(), &drawDepthStencil));
+        ASSERT(drawDepthStencil);
+
+        // The getSurface calls do an AddRef so save them until after no errors are possible
+        IDirect3DSurface9 *readSurface = readDepthStencil->getSurface();
+        ASSERT(readDepthStencil);
+
+        IDirect3DSurface9 *drawSurface = drawDepthStencil->getSurface();
+        ASSERT(drawDepthStencil);
+
+        HRESULT result =
+            device->StretchRect(readSurface, nullptr, drawSurface, nullptr, D3DTEXF_NONE);
+
+        SafeRelease(readSurface);
+        SafeRelease(drawSurface);
+
+        ANGLE_TRY_HR(context9, result, "Internal blit failed.");
+    }
+
+    return angle::Result::Continue;
+}
+
+const gl::InternalFormat &Framebuffer9::getImplementationColorReadFormat(
+    const gl::Context *context) const
+{
+    GLenum sizedFormat = mState.getReadAttachment()->getFormat().info->sizedInternalFormat;
+    const d3d9::TextureFormat &textureFormat = d3d9::GetTextureFormatInfo(sizedFormat);
+    const d3d9::D3DFormat &d3dFormatInfo     = d3d9::GetD3DFormatInfo(textureFormat.renderFormat);
+    const angle::Format &angleFormat         = angle::Format::Get(d3dFormatInfo.formatID);
+    return gl::GetSizedInternalFormatInfo(angleFormat.fboImplementationInternalFormat);
+}
+
+angle::Result Framebuffer9::getSamplePosition(const gl::Context *context,
+                                              size_t index,
+                                              GLfloat *xy) const
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Framebuffer9::syncState(const gl::Context *context,
+                                      GLenum binding,
+                                      const gl::Framebuffer::DirtyBits &dirtyBits,
+                                      gl::Command command)
+{
+    ANGLE_TRY(FramebufferD3D::syncState(context, binding, dirtyBits, command));
+    ANGLE_TRY(mRenderTargetCache.update(context, mState, dirtyBits));
+    return angle::Result::Continue;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Framebuffer9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Framebuffer9.h
new file mode 100644
index 0000000000..a44118ff34
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Framebuffer9.h
@@ -0,0 +1,89 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Framebuffer9.h: Defines the Framebuffer9 class.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_FRAMBUFFER9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_FRAMBUFFER9_H_
+
+#include "libANGLE/renderer/RenderTargetCache.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+class Renderer9;
+
+class Framebuffer9 : public FramebufferD3D
+{
+  public:
+    Framebuffer9(const gl::FramebufferState &data, Renderer9 *renderer);
+    ~Framebuffer9() override;
+
+    angle::Result discard(const gl::Context *context,
+                          size_t count,
+                          const GLenum *attachments) override;
+    angle::Result invalidate(const gl::Context *context,
+                             size_t count,
+                             const GLenum *attachments) override;
+    angle::Result invalidateSub(const gl::Context *context,
+                                size_t count,
+                                const GLenum *attachments,
+                                const gl::Rectangle &area) override;
+
+    angle::Result getSamplePosition(const gl::Context *context,
+                                    size_t index,
+                                    GLfloat *xy) const override;
+
+    angle::Result syncState(const gl::Context *context,
+                            GLenum binding,
+                            const gl::Framebuffer::DirtyBits &dirtyBits,
+                            gl::Command command) override;
+
+    const gl::AttachmentArray<RenderTarget9 *> &getCachedColorRenderTargets() const
+    {
+        return mRenderTargetCache.getColors();
+    }
+
+    const RenderTarget9 *getCachedDepthStencilRenderTarget() const
+    {
+        return mRenderTargetCache.getDepthStencil();
+    }
+
+    const gl::InternalFormat &getImplementationColorReadFormat(
+        const gl::Context *context) const override;
+
+  private:
+    angle::Result clearImpl(const gl::Context *context,
+                            const ClearParameters &clearParams) override;
+
+    angle::Result readPixelsImpl(const gl::Context *context,
+                                 const gl::Rectangle &area,
+                                 GLenum format,
+                                 GLenum type,
+                                 size_t outputPitch,
+                                 const gl::PixelPackState &pack,
+                                 gl::Buffer *packPixels,
+                                 uint8_t *pixels) override;
+
+    angle::Result blitImpl(const gl::Context *context,
+                           const gl::Rectangle &sourceArea,
+                           const gl::Rectangle &destArea,
+                           const gl::Rectangle *scissor,
+                           bool blitRenderTarget,
+                           bool blitDepth,
+                           bool blitStencil,
+                           GLenum filter,
+                           const gl::Framebuffer *sourceFramebuffer) override;
+
+    Renderer9 *const mRenderer;
+
+    RenderTargetCache<RenderTarget9> mRenderTargetCache;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_FRAMBUFFER9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Image9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Image9.cpp
new file mode 100644
index 0000000000..229d54ced9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Image9.cpp
@@ -0,0 +1,907 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image9.cpp: Implements the rx::Image9 class, which acts as the interface to
+// the actual underlying surfaces of a Texture.
+
+#include "libANGLE/renderer/d3d/d3d9/Image9.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/copyvertex.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/TextureStorage9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+
+Image9::Image9(Renderer9 *renderer)
+{
+    mSurface  = nullptr;
+    mRenderer = nullptr;
+
+    mD3DPool   = D3DPOOL_SYSTEMMEM;
+    mD3DFormat = D3DFMT_UNKNOWN;
+
+    mRenderer = renderer;
+}
+
+Image9::~Image9()
+{
+    SafeRelease(mSurface);
+}
+
+// static
+angle::Result Image9::GenerateMip(Context9 *context9,
+                                  IDirect3DSurface9 *destSurface,
+                                  IDirect3DSurface9 *sourceSurface)
+{
+    D3DSURFACE_DESC destDesc;
+    HRESULT result = destSurface->GetDesc(&destDesc);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result,
+                 "Failed to query the source surface description for mipmap generation");
+
+    D3DSURFACE_DESC sourceDesc;
+    result = sourceSurface->GetDesc(&sourceDesc);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result,
+                 "Failed to query the destination surface description for mipmap generation");
+
+    ASSERT(sourceDesc.Format == destDesc.Format);
+    ASSERT(sourceDesc.Width == 1 || sourceDesc.Width / 2 == destDesc.Width);
+    ASSERT(sourceDesc.Height == 1 || sourceDesc.Height / 2 == destDesc.Height);
+
+    const d3d9::D3DFormat &d3dFormatInfo = d3d9::GetD3DFormatInfo(sourceDesc.Format);
+    ASSERT(d3dFormatInfo.info().mipGenerationFunction != nullptr);
+
+    D3DLOCKED_RECT sourceLocked = {};
+    result                      = sourceSurface->LockRect(&sourceLocked, nullptr, D3DLOCK_READONLY);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result, "Failed to lock the source surface for mipmap generation");
+
+    D3DLOCKED_RECT destLocked = {};
+    result                    = destSurface->LockRect(&destLocked, nullptr, 0);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result, "Failed to lock the destination surface for mipmap generation");
+
+    const uint8_t *sourceData = static_cast<const uint8_t *>(sourceLocked.pBits);
+    uint8_t *destData         = static_cast<uint8_t *>(destLocked.pBits);
+
+    ASSERT(sourceData && destData);
+
+    d3dFormatInfo.info().mipGenerationFunction(sourceDesc.Width, sourceDesc.Height, 1, sourceData,
+                                               sourceLocked.Pitch, 0, destData, destLocked.Pitch,
+                                               0);
+
+    destSurface->UnlockRect();
+    sourceSurface->UnlockRect();
+
+    return angle::Result::Continue;
+}
+
+// static
+angle::Result Image9::GenerateMipmap(Context9 *context9, Image9 *dest, Image9 *source)
+{
+    IDirect3DSurface9 *sourceSurface = nullptr;
+    ANGLE_TRY(source->getSurface(context9, &sourceSurface));
+
+    IDirect3DSurface9 *destSurface = nullptr;
+    ANGLE_TRY(dest->getSurface(context9, &destSurface));
+
+    ANGLE_TRY(GenerateMip(context9, destSurface, sourceSurface));
+
+    dest->markDirty();
+
+    return angle::Result::Continue;
+}
+
+// static
+angle::Result Image9::CopyLockableSurfaces(Context9 *context9,
+                                           IDirect3DSurface9 *dest,
+                                           IDirect3DSurface9 *source)
+{
+    D3DLOCKED_RECT sourceLock = {};
+    D3DLOCKED_RECT destLock   = {};
+
+    HRESULT result;
+
+    result = source->LockRect(&sourceLock, nullptr, 0);
+    ANGLE_TRY_HR(context9, result, "Failed to lock source surface for copy");
+
+    result = dest->LockRect(&destLock, nullptr, 0);
+    if (FAILED(result))
+    {
+        source->UnlockRect();
+    }
+    ANGLE_TRY_HR(context9, result, "Failed to lock destination surface for copy");
+
+    ASSERT(sourceLock.pBits && destLock.pBits);
+
+    D3DSURFACE_DESC desc;
+    source->GetDesc(&desc);
+
+    const d3d9::D3DFormat &d3dFormatInfo = d3d9::GetD3DFormatInfo(desc.Format);
+    unsigned int rows                    = desc.Height / d3dFormatInfo.blockHeight;
+
+    unsigned int bytes = d3d9::ComputeBlockSize(desc.Format, desc.Width, d3dFormatInfo.blockHeight);
+    ASSERT(bytes <= static_cast<unsigned int>(sourceLock.Pitch) &&
+           bytes <= static_cast<unsigned int>(destLock.Pitch));
+
+    for (unsigned int i = 0; i < rows; i++)
+    {
+        memcpy((char *)destLock.pBits + destLock.Pitch * i,
+               (char *)sourceLock.pBits + sourceLock.Pitch * i, bytes);
+    }
+
+    source->UnlockRect();
+    dest->UnlockRect();
+
+    return angle::Result::Continue;
+}
+
+// static
+angle::Result Image9::CopyImage(const gl::Context *context,
+                                Image9 *dest,
+                                Image9 *source,
+                                const gl::Rectangle &sourceRect,
+                                const gl::Offset &destOffset,
+                                bool unpackFlipY,
+                                bool unpackPremultiplyAlpha,
+                                bool unpackUnmultiplyAlpha)
+{
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    IDirect3DSurface9 *sourceSurface = nullptr;
+    ANGLE_TRY(source->getSurface(context9, &sourceSurface));
+
+    IDirect3DSurface9 *destSurface = nullptr;
+    ANGLE_TRY(dest->getSurface(context9, &destSurface));
+
+    D3DSURFACE_DESC destDesc;
+    HRESULT result = destSurface->GetDesc(&destDesc);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result, "Failed to query the source surface description for CopyImage");
+    const d3d9::D3DFormat &destD3DFormatInfo = d3d9::GetD3DFormatInfo(destDesc.Format);
+
+    D3DSURFACE_DESC sourceDesc;
+    result = sourceSurface->GetDesc(&sourceDesc);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result,
+                 "Failed to query the destination surface description for CopyImage");
+    const d3d9::D3DFormat &sourceD3DFormatInfo = d3d9::GetD3DFormatInfo(sourceDesc.Format);
+
+    D3DLOCKED_RECT sourceLocked = {};
+    result                      = sourceSurface->LockRect(&sourceLocked, nullptr, D3DLOCK_READONLY);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result, "Failed to lock the source surface for CopyImage");
+
+    D3DLOCKED_RECT destLocked = {};
+    result                    = destSurface->LockRect(&destLocked, nullptr, 0);
+    ASSERT(SUCCEEDED(result));
+    if (FAILED(result))
+    {
+        sourceSurface->UnlockRect();
+    }
+    ANGLE_TRY_HR(context9, result, "Failed to lock the destination surface for CopyImage");
+
+    const uint8_t *sourceData = static_cast<const uint8_t *>(sourceLocked.pBits) +
+                                sourceRect.x * sourceD3DFormatInfo.pixelBytes +
+                                sourceRect.y * sourceLocked.Pitch;
+    uint8_t *destData = static_cast<uint8_t *>(destLocked.pBits) +
+                        destOffset.x * destD3DFormatInfo.pixelBytes +
+                        destOffset.y * destLocked.Pitch;
+    ASSERT(sourceData && destData);
+
+    CopyImageCHROMIUM(sourceData, sourceLocked.Pitch, sourceD3DFormatInfo.pixelBytes, 0,
+                      sourceD3DFormatInfo.info().pixelReadFunction, destData, destLocked.Pitch,
+                      destD3DFormatInfo.pixelBytes, 0, destD3DFormatInfo.info().pixelWriteFunction,
+                      gl::GetUnsizedFormat(dest->getInternalFormat()),
+                      destD3DFormatInfo.info().componentType, sourceRect.width, sourceRect.height,
+                      1, unpackFlipY, unpackPremultiplyAlpha, unpackUnmultiplyAlpha);
+
+    dest->markDirty();
+
+    destSurface->UnlockRect();
+    sourceSurface->UnlockRect();
+
+    return angle::Result::Continue;
+}
+
+bool Image9::redefine(gl::TextureType type,
+                      GLenum internalformat,
+                      const gl::Extents &size,
+                      bool forceRelease)
+{
+    // 3D textures are not supported by the D3D9 backend.
+    ASSERT(size.depth <= 1);
+
+    // Only 2D and cube texture are supported by the D3D9 backend.
+    ASSERT(type == gl::TextureType::_2D || type == gl::TextureType::CubeMap);
+
+    if (mWidth != size.width || mHeight != size.height || mDepth != size.depth ||
+        mInternalFormat != internalformat || forceRelease)
+    {
+        mWidth          = size.width;
+        mHeight         = size.height;
+        mDepth          = size.depth;
+        mType           = type;
+        mInternalFormat = internalformat;
+
+        // compute the d3d format that will be used
+        const d3d9::TextureFormat &d3d9FormatInfo = d3d9::GetTextureFormatInfo(internalformat);
+        mD3DFormat                                = d3d9FormatInfo.texFormat;
+        mRenderable                               = (d3d9FormatInfo.renderFormat != D3DFMT_UNKNOWN);
+
+        SafeRelease(mSurface);
+        mDirty = (d3d9FormatInfo.dataInitializerFunction != nullptr);
+
+        return true;
+    }
+
+    return false;
+}
+
+angle::Result Image9::createSurface(Context9 *context9)
+{
+    if (mSurface)
+    {
+        return angle::Result::Continue;
+    }
+
+    IDirect3DTexture9 *newTexture = nullptr;
+    IDirect3DSurface9 *newSurface = nullptr;
+    const D3DPOOL poolToUse       = D3DPOOL_SYSTEMMEM;
+    const D3DFORMAT d3dFormat     = getD3DFormat();
+
+    if (mWidth != 0 && mHeight != 0)
+    {
+        int levelToFetch      = 0;
+        GLsizei requestWidth  = mWidth;
+        GLsizei requestHeight = mHeight;
+        d3d9::MakeValidSize(true, d3dFormat, &requestWidth, &requestHeight, &levelToFetch);
+
+        IDirect3DDevice9 *device = mRenderer->getDevice();
+
+        HRESULT result = device->CreateTexture(requestWidth, requestHeight, levelToFetch + 1, 0,
+                                               d3dFormat, poolToUse, &newTexture, nullptr);
+
+        ANGLE_TRY_HR(context9, result, "Failed to create image surface");
+
+        newTexture->GetSurfaceLevel(levelToFetch, &newSurface);
+        SafeRelease(newTexture);
+
+        const d3d9::TextureFormat &d3dFormatInfo = d3d9::GetTextureFormatInfo(mInternalFormat);
+        if (d3dFormatInfo.dataInitializerFunction != nullptr)
+        {
+            RECT entireRect;
+            entireRect.left   = 0;
+            entireRect.right  = mWidth;
+            entireRect.top    = 0;
+            entireRect.bottom = mHeight;
+
+            D3DLOCKED_RECT lockedRect;
+            result = newSurface->LockRect(&lockedRect, &entireRect, 0);
+            ASSERT(SUCCEEDED(result));
+            ANGLE_TRY_HR(context9, result, "Failed to lock image surface");
+
+            d3dFormatInfo.dataInitializerFunction(
+                mWidth, mHeight, 1, static_cast<uint8_t *>(lockedRect.pBits), lockedRect.Pitch, 0);
+
+            result = newSurface->UnlockRect();
+            ASSERT(SUCCEEDED(result));
+            ANGLE_TRY_HR(context9, result, "Failed to unlock image surface");
+        }
+    }
+
+    mSurface = newSurface;
+    mDirty   = false;
+    mD3DPool = poolToUse;
+
+    return angle::Result::Continue;
+}
+
+angle::Result Image9::lock(Context9 *context9, D3DLOCKED_RECT *lockedRect, const RECT &rect)
+{
+    ANGLE_TRY(createSurface(context9));
+
+    if (mSurface)
+    {
+        HRESULT result = mSurface->LockRect(lockedRect, &rect, 0);
+        ASSERT(SUCCEEDED(result));
+        ANGLE_TRY_HR(context9, result, "Failed to lock image surface");
+        mDirty = true;
+    }
+
+    return angle::Result::Continue;
+}
+
+void Image9::unlock()
+{
+    if (mSurface)
+    {
+        HRESULT result = mSurface->UnlockRect();
+        ASSERT(SUCCEEDED(result));
+    }
+}
+
+D3DFORMAT Image9::getD3DFormat() const
+{
+    // this should only happen if the image hasn't been redefined first
+    // which would be a bug by the caller
+    ASSERT(mD3DFormat != D3DFMT_UNKNOWN);
+
+    return mD3DFormat;
+}
+
+bool Image9::isDirty() const
+{
+    // Make sure to that this image is marked as dirty even if the staging texture hasn't been
+    // created yet if initialization is required before use.
+    return (mSurface ||
+            d3d9::GetTextureFormatInfo(mInternalFormat).dataInitializerFunction != nullptr) &&
+           mDirty;
+}
+
+angle::Result Image9::getSurface(Context9 *context9, IDirect3DSurface9 **outSurface)
+{
+    ANGLE_TRY(createSurface(context9));
+    *outSurface = mSurface;
+    return angle::Result::Continue;
+}
+
+angle::Result Image9::setManagedSurface2D(const gl::Context *context,
+                                          TextureStorage *storage,
+                                          int level)
+{
+    IDirect3DSurface9 *surface = nullptr;
+    TextureStorage9 *storage9  = GetAs<TextureStorage9>(storage);
+    ANGLE_TRY(storage9->getSurfaceLevel(context, gl::TextureTarget::_2D, level, false, &surface));
+    return setManagedSurface(GetImplAs<Context9>(context), surface);
+}
+
+angle::Result Image9::setManagedSurfaceCube(const gl::Context *context,
+                                            TextureStorage *storage,
+                                            int face,
+                                            int level)
+{
+    IDirect3DSurface9 *surface = nullptr;
+    TextureStorage9 *storage9  = GetAs<TextureStorage9>(storage);
+    ANGLE_TRY(storage9->getSurfaceLevel(context, gl::CubeFaceIndexToTextureTarget(face), level,
+                                        false, &surface));
+    return setManagedSurface(GetImplAs<Context9>(context), surface);
+}
+
+angle::Result Image9::setManagedSurface(Context9 *context9, IDirect3DSurface9 *surface)
+{
+    D3DSURFACE_DESC desc;
+    surface->GetDesc(&desc);
+    ASSERT(desc.Pool == D3DPOOL_MANAGED);
+
+    if ((GLsizei)desc.Width == mWidth && (GLsizei)desc.Height == mHeight)
+    {
+        if (mSurface)
+        {
+            angle::Result result = CopyLockableSurfaces(context9, surface, mSurface);
+            SafeRelease(mSurface);
+            ANGLE_TRY(result);
+        }
+
+        mSurface = surface;
+        mD3DPool = desc.Pool;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Image9::copyToStorage(const gl::Context *context,
+                                    TextureStorage *storage,
+                                    const gl::ImageIndex &index,
+                                    const gl::Box &region)
+{
+    ANGLE_TRY(createSurface(GetImplAs<Context9>(context)));
+
+    TextureStorage9 *storage9      = GetAs<TextureStorage9>(storage);
+    IDirect3DSurface9 *destSurface = nullptr;
+    ANGLE_TRY(storage9->getSurfaceLevel(context, index.getTarget(), index.getLevelIndex(), true,
+                                        &destSurface));
+
+    angle::Result result = copyToSurface(GetImplAs<Context9>(context), destSurface, region);
+    SafeRelease(destSurface);
+    return result;
+}
+
+angle::Result Image9::copyToSurface(Context9 *context9,
+                                    IDirect3DSurface9 *destSurface,
+                                    const gl::Box &area)
+{
+    ASSERT(area.width > 0 && area.height > 0 && area.depth == 1);
+    ASSERT(destSurface);
+
+    IDirect3DSurface9 *sourceSurface = nullptr;
+    ANGLE_TRY(getSurface(context9, &sourceSurface));
+
+    ASSERT(sourceSurface && sourceSurface != destSurface);
+
+    RECT rect;
+    rect.left   = area.x;
+    rect.top    = area.y;
+    rect.right  = area.x + area.width;
+    rect.bottom = area.y + area.height;
+
+    POINT point = {rect.left, rect.top};
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    if (mD3DPool == D3DPOOL_MANAGED)
+    {
+        D3DSURFACE_DESC desc;
+        sourceSurface->GetDesc(&desc);
+
+        IDirect3DSurface9 *surf = 0;
+        HRESULT result = device->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format,
+                                                             D3DPOOL_SYSTEMMEM, &surf, nullptr);
+        ANGLE_TRY_HR(context9, result, "Internal CreateOffscreenPlainSurface call failed");
+
+        auto err = CopyLockableSurfaces(context9, surf, sourceSurface);
+        result   = device->UpdateSurface(surf, &rect, destSurface, &point);
+        SafeRelease(surf);
+        ANGLE_TRY(err);
+        ASSERT(SUCCEEDED(result));
+        ANGLE_TRY_HR(context9, result, "Internal UpdateSurface call failed");
+    }
+    else
+    {
+        // UpdateSurface: source must be SYSTEMMEM, dest must be DEFAULT pools
+        HRESULT result = device->UpdateSurface(sourceSurface, &rect, destSurface, &point);
+        ASSERT(SUCCEEDED(result));
+        ANGLE_TRY_HR(context9, result, "Internal UpdateSurface call failed");
+    }
+
+    return angle::Result::Continue;
+}
+
+// Store the pixel rectangle designated by xoffset,yoffset,width,height with pixels stored as
+// format/type at input into the target pixel rectangle.
+angle::Result Image9::loadData(const gl::Context *context,
+                               const gl::Box &area,
+                               const gl::PixelUnpackState &unpack,
+                               GLenum type,
+                               const void *input,
+                               bool applySkipImages)
+{
+    // 3D textures are not supported by the D3D9 backend.
+    ASSERT(area.z == 0 && area.depth == 1);
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(mInternalFormat);
+    GLuint inputRowPitch                 = 0;
+    ANGLE_CHECK_GL_MATH(context9, formatInfo.computeRowPitch(type, area.width, unpack.alignment,
+                                                             unpack.rowLength, &inputRowPitch));
+    ASSERT(!applySkipImages);
+    ASSERT(unpack.skipPixels == 0);
+    ASSERT(unpack.skipRows == 0);
+
+    const d3d9::TextureFormat &d3dFormatInfo = d3d9::GetTextureFormatInfo(mInternalFormat);
+    ASSERT(d3dFormatInfo.loadFunction != nullptr);
+
+    RECT lockRect = {area.x, area.y, area.x + area.width, area.y + area.height};
+
+    D3DLOCKED_RECT locked;
+    ANGLE_TRY(lock(GetImplAs<Context9>(context), &locked, lockRect));
+
+    d3dFormatInfo.loadFunction(area.width, area.height, area.depth,
+                               static_cast<const uint8_t *>(input), inputRowPitch, 0,
+                               static_cast<uint8_t *>(locked.pBits), locked.Pitch, 0);
+
+    unlock();
+
+    return angle::Result::Continue;
+}
+
+angle::Result Image9::loadCompressedData(const gl::Context *context,
+                                         const gl::Box &area,
+                                         const void *input)
+{
+    // 3D textures are not supported by the D3D9 backend.
+    ASSERT(area.z == 0 && area.depth == 1);
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(mInternalFormat);
+    GLuint inputRowPitch                 = 0;
+    ANGLE_CHECK_GL_MATH(
+        context9, formatInfo.computeRowPitch(GL_UNSIGNED_BYTE, area.width, 1, 0, &inputRowPitch));
+
+    GLuint inputDepthPitch = 0;
+    ANGLE_CHECK_GL_MATH(
+        context9, formatInfo.computeDepthPitch(area.height, 0, inputRowPitch, &inputDepthPitch));
+
+    const d3d9::TextureFormat &d3d9FormatInfo = d3d9::GetTextureFormatInfo(mInternalFormat);
+
+    ASSERT(area.x % d3d9::GetD3DFormatInfo(d3d9FormatInfo.texFormat).blockWidth == 0);
+    ASSERT(area.y % d3d9::GetD3DFormatInfo(d3d9FormatInfo.texFormat).blockHeight == 0);
+
+    ASSERT(d3d9FormatInfo.loadFunction != nullptr);
+
+    RECT lockRect = {area.x, area.y, area.x + area.width, area.y + area.height};
+
+    D3DLOCKED_RECT locked;
+    ANGLE_TRY(lock(GetImplAs<Context9>(context), &locked, lockRect));
+
+    d3d9FormatInfo.loadFunction(area.width, area.height, area.depth,
+                                static_cast<const uint8_t *>(input), inputRowPitch, inputDepthPitch,
+                                static_cast<uint8_t *>(locked.pBits), locked.Pitch, 0);
+
+    unlock();
+
+    return angle::Result::Continue;
+}
+
+// This implements glCopyTex[Sub]Image2D for non-renderable internal texture formats and incomplete
+// textures
+angle::Result Image9::copyFromRTInternal(Context9 *context9,
+                                         const gl::Offset &destOffset,
+                                         const gl::Rectangle &sourceArea,
+                                         RenderTargetD3D *source)
+{
+    ASSERT(source);
+
+    // ES3.0 only behaviour to copy into a 3d texture
+    ASSERT(destOffset.z == 0);
+
+    RenderTarget9 *renderTarget = GetAs<RenderTarget9>(source);
+
+    angle::ComPtr<IDirect3DSurface9> surface = renderTarget->getSurface();
+    ASSERT(surface);
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    angle::ComPtr<IDirect3DSurface9> renderTargetData = nullptr;
+    D3DSURFACE_DESC description;
+    surface->GetDesc(&description);
+
+    HRESULT hr = device->CreateOffscreenPlainSurface(description.Width, description.Height,
+                                                     description.Format, D3DPOOL_SYSTEMMEM,
+                                                     &renderTargetData, nullptr);
+
+    ANGLE_TRY_HR(context9, hr, "Could not create matching destination surface");
+
+    hr = device->GetRenderTargetData(surface.Get(), renderTargetData.Get());
+
+    ANGLE_TRY_HR(context9, hr, "GetRenderTargetData unexpectedly failed");
+
+    int width  = sourceArea.width;
+    int height = sourceArea.height;
+
+    RECT sourceRect = {sourceArea.x, sourceArea.y, sourceArea.x + width, sourceArea.y + height};
+    RECT destRect   = {destOffset.x, destOffset.y, destOffset.x + width, destOffset.y + height};
+
+    D3DLOCKED_RECT sourceLock = {};
+    hr                        = renderTargetData->LockRect(&sourceLock, &sourceRect, 0);
+
+    ANGLE_TRY_HR(context9, hr, "Failed to lock the source surface (rectangle might be invalid)");
+
+    D3DLOCKED_RECT destLock = {};
+    angle::Result result    = lock(context9, &destLock, destRect);
+    if (result == angle::Result::Stop)
+    {
+        renderTargetData->UnlockRect();
+    }
+    ANGLE_TRY(result);
+
+    ASSERT(destLock.pBits && sourceLock.pBits);
+
+    unsigned char *sourcePixels = (unsigned char *)sourceLock.pBits;
+    unsigned char *destPixels   = (unsigned char *)destLock.pBits;
+
+    switch (description.Format)
+    {
+        case D3DFMT_X8R8G8B8:
+        case D3DFMT_A8R8G8B8:
+            switch (getD3DFormat())
+            {
+                case D3DFMT_X8R8G8B8:
+                case D3DFMT_A8R8G8B8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        memcpy(destPixels, sourcePixels, 4 * width);
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            destPixels[x] = sourcePixels[x * 4 + 2];
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_A8L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            destPixels[x * 2 + 0] = sourcePixels[x * 4 + 2];
+                            destPixels[x * 2 + 1] = sourcePixels[x * 4 + 3];
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+            break;
+        case D3DFMT_R5G6B5:
+            switch (getD3DFormat())
+            {
+                case D3DFMT_X8R8G8B8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            unsigned short rgb  = ((unsigned short *)sourcePixels)[x];
+                            unsigned char red   = static_cast<unsigned char>((rgb & 0xF800) >> 8);
+                            unsigned char green = static_cast<unsigned char>((rgb & 0x07E0) >> 3);
+                            unsigned char blue  = static_cast<unsigned char>((rgb & 0x001F) << 3);
+                            destPixels[x + 0]   = blue | (blue >> 5);
+                            destPixels[x + 1]   = green | (green >> 6);
+                            destPixels[x + 2]   = red | (red >> 5);
+                            destPixels[x + 3]   = 0xFF;
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            unsigned char red = sourcePixels[x * 2 + 1] & 0xF8;
+                            destPixels[x]     = red | (red >> 5);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+            break;
+        case D3DFMT_A1R5G5B5:
+            switch (getD3DFormat())
+            {
+                case D3DFMT_X8R8G8B8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            unsigned short argb = ((unsigned short *)sourcePixels)[x];
+                            unsigned char red   = static_cast<unsigned char>((argb & 0x7C00) >> 7);
+                            unsigned char green = static_cast<unsigned char>((argb & 0x03E0) >> 2);
+                            unsigned char blue  = static_cast<unsigned char>((argb & 0x001F) << 3);
+                            destPixels[x + 0]   = blue | (blue >> 5);
+                            destPixels[x + 1]   = green | (green >> 5);
+                            destPixels[x + 2]   = red | (red >> 5);
+                            destPixels[x + 3]   = 0xFF;
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_A8R8G8B8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            unsigned short argb = ((unsigned short *)sourcePixels)[x];
+                            unsigned char red   = static_cast<unsigned char>((argb & 0x7C00) >> 7);
+                            unsigned char green = static_cast<unsigned char>((argb & 0x03E0) >> 2);
+                            unsigned char blue  = static_cast<unsigned char>((argb & 0x001F) << 3);
+                            unsigned char alpha = (signed short)argb >> 15;
+                            destPixels[x + 0]   = blue | (blue >> 5);
+                            destPixels[x + 1]   = green | (green >> 5);
+                            destPixels[x + 2]   = red | (red >> 5);
+                            destPixels[x + 3]   = alpha;
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            unsigned char red = sourcePixels[x * 2 + 1] & 0x7C;
+                            destPixels[x]     = (red << 1) | (red >> 4);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_A8L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        for (int x = 0; x < width; x++)
+                        {
+                            unsigned char red     = sourcePixels[x * 2 + 1] & 0x7C;
+                            destPixels[x * 2 + 0] = (red << 1) | (red >> 4);
+                            destPixels[x * 2 + 1] = (signed char)sourcePixels[x * 2 + 1] >> 7;
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+            break;
+        case D3DFMT_A16B16G16R16F:
+            switch (getD3DFormat())
+            {
+                case D3DFMT_X8R8G8B8:
+                case D3DFMT_A8R8G8B8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        const uint16_t *sourcePixels16F =
+                            reinterpret_cast<uint16_t *>(sourcePixels);
+                        for (int x = 0; x < width; x++)
+                        {
+                            float r = gl::float16ToFloat32(sourcePixels16F[x * 4 + 0]);
+                            float g = gl::float16ToFloat32(sourcePixels16F[x * 4 + 1]);
+                            float b = gl::float16ToFloat32(sourcePixels16F[x * 4 + 2]);
+                            float a = gl::float16ToFloat32(sourcePixels16F[x * 4 + 3]);
+                            destPixels[x * 4 + 0] = gl::floatToNormalized<uint8_t>(b);
+                            destPixels[x * 4 + 1] = gl::floatToNormalized<uint8_t>(g);
+                            destPixels[x * 4 + 2] = gl::floatToNormalized<uint8_t>(r);
+                            destPixels[x * 4 + 3] = gl::floatToNormalized<uint8_t>(a);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        const uint16_t *sourcePixels16F =
+                            reinterpret_cast<uint16_t *>(sourcePixels);
+                        for (int x = 0; x < width; x++)
+                        {
+                            float r       = gl::float16ToFloat32(sourcePixels16F[x * 4]);
+                            destPixels[x] = gl::floatToNormalized<uint8_t>(r);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_A8L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        const uint16_t *sourcePixels16F =
+                            reinterpret_cast<uint16_t *>(sourcePixels);
+                        for (int x = 0; x < width; x++)
+                        {
+                            float r = gl::float16ToFloat32(sourcePixels16F[x * 4 + 0]);
+                            float a = gl::float16ToFloat32(sourcePixels16F[x * 4 + 3]);
+                            destPixels[x * 2 + 0] = gl::floatToNormalized<uint8_t>(r);
+                            destPixels[x * 2 + 1] = gl::floatToNormalized<uint8_t>(a);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+            break;
+        case D3DFMT_A32B32G32R32F:
+            switch (getD3DFormat())
+            {
+                case D3DFMT_X8R8G8B8:
+                case D3DFMT_A8R8G8B8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        const float *sourcePixels32F = reinterpret_cast<float *>(sourcePixels);
+                        for (int x = 0; x < width; x++)
+                        {
+                            float r               = sourcePixels32F[x * 4 + 0];
+                            float g               = sourcePixels32F[x * 4 + 1];
+                            float b               = sourcePixels32F[x * 4 + 2];
+                            float a               = sourcePixels32F[x * 4 + 3];
+                            destPixels[x * 4 + 0] = gl::floatToNormalized<uint8_t>(b);
+                            destPixels[x * 4 + 1] = gl::floatToNormalized<uint8_t>(g);
+                            destPixels[x * 4 + 2] = gl::floatToNormalized<uint8_t>(r);
+                            destPixels[x * 4 + 3] = gl::floatToNormalized<uint8_t>(a);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        const float *sourcePixels32F = reinterpret_cast<float *>(sourcePixels);
+                        for (int x = 0; x < width; x++)
+                        {
+                            float r       = sourcePixels32F[x * 4];
+                            destPixels[x] = gl::floatToNormalized<uint8_t>(r);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                case D3DFMT_A8L8:
+                    for (int y = 0; y < height; y++)
+                    {
+                        const float *sourcePixels32F = reinterpret_cast<float *>(sourcePixels);
+                        for (int x = 0; x < width; x++)
+                        {
+                            float r               = sourcePixels32F[x * 4 + 0];
+                            float a               = sourcePixels32F[x * 4 + 3];
+                            destPixels[x * 2 + 0] = gl::floatToNormalized<uint8_t>(r);
+                            destPixels[x * 2 + 1] = gl::floatToNormalized<uint8_t>(a);
+                        }
+                        sourcePixels += sourceLock.Pitch;
+                        destPixels += destLock.Pitch;
+                    }
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    unlock();
+    renderTargetData->UnlockRect();
+
+    mDirty = true;
+    return angle::Result::Continue;
+}
+
+angle::Result Image9::copyFromTexStorage(const gl::Context *context,
+                                         const gl::ImageIndex &imageIndex,
+                                         TextureStorage *source)
+{
+    RenderTargetD3D *renderTarget = nullptr;
+    ANGLE_TRY(source->getRenderTarget(context, imageIndex, 0, &renderTarget));
+
+    gl::Rectangle sourceArea(0, 0, mWidth, mHeight);
+    return copyFromRTInternal(GetImplAs<Context9>(context), gl::Offset(), sourceArea, renderTarget);
+}
+
+angle::Result Image9::copyFromFramebuffer(const gl::Context *context,
+                                          const gl::Offset &destOffset,
+                                          const gl::Rectangle &sourceArea,
+                                          const gl::Framebuffer *source)
+{
+    const gl::FramebufferAttachment *srcAttachment = source->getReadColorAttachment();
+    ASSERT(srcAttachment);
+
+    RenderTargetD3D *renderTarget = nullptr;
+    ANGLE_TRY(srcAttachment->getRenderTarget(context, 0, &renderTarget));
+    ASSERT(renderTarget);
+    return copyFromRTInternal(GetImplAs<Context9>(context), destOffset, sourceArea, renderTarget);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Image9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Image9.h
new file mode 100644
index 0000000000..80064aa24b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Image9.h
@@ -0,0 +1,112 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image9.h: Defines the rx::Image9 class, which acts as the interface to
+// the actual underlying surfaces of a Texture.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_IMAGE9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_IMAGE9_H_
+
+#include "common/debug.h"
+#include "libANGLE/renderer/d3d/ImageD3D.h"
+
+namespace gl
+{
+class Framebuffer;
+}
+
+namespace rx
+{
+class Context9;
+class Renderer9;
+
+class Image9 : public ImageD3D
+{
+  public:
+    Image9(Renderer9 *renderer);
+    ~Image9() override;
+
+    static angle::Result GenerateMipmap(Context9 *context9, Image9 *dest, Image9 *source);
+    static angle::Result GenerateMip(Context9 *context9,
+                                     IDirect3DSurface9 *destSurface,
+                                     IDirect3DSurface9 *sourceSurface);
+    static angle::Result CopyLockableSurfaces(Context9 *context9,
+                                              IDirect3DSurface9 *dest,
+                                              IDirect3DSurface9 *source);
+    static angle::Result CopyImage(const gl::Context *context,
+                                   Image9 *dest,
+                                   Image9 *source,
+                                   const gl::Rectangle &sourceRect,
+                                   const gl::Offset &destOffset,
+                                   bool unpackFlipY,
+                                   bool unpackPremultiplyAlpha,
+                                   bool unpackUnmultiplyAlpha);
+
+    bool redefine(gl::TextureType type,
+                  GLenum internalformat,
+                  const gl::Extents &size,
+                  bool forceRelease) override;
+
+    D3DFORMAT getD3DFormat() const;
+
+    bool isDirty() const override;
+
+    angle::Result setManagedSurface2D(const gl::Context *context,
+                                      TextureStorage *storage,
+                                      int level) override;
+    angle::Result setManagedSurfaceCube(const gl::Context *context,
+                                        TextureStorage *storage,
+                                        int face,
+                                        int level) override;
+    angle::Result copyToStorage(const gl::Context *context,
+                                TextureStorage *storage,
+                                const gl::ImageIndex &index,
+                                const gl::Box &region) override;
+
+    angle::Result loadData(const gl::Context *context,
+                           const gl::Box &area,
+                           const gl::PixelUnpackState &unpack,
+                           GLenum type,
+                           const void *input,
+                           bool applySkipImages) override;
+    angle::Result loadCompressedData(const gl::Context *context,
+                                     const gl::Box &area,
+                                     const void *input) override;
+
+    angle::Result copyFromTexStorage(const gl::Context *context,
+                                     const gl::ImageIndex &imageIndex,
+                                     TextureStorage *source) override;
+    angle::Result copyFromFramebuffer(const gl::Context *context,
+                                      const gl::Offset &destOffset,
+                                      const gl::Rectangle &sourceArea,
+                                      const gl::Framebuffer *source) override;
+
+  private:
+    angle::Result getSurface(Context9 *context9, IDirect3DSurface9 **outSurface);
+
+    angle::Result createSurface(Context9 *context9);
+    angle::Result setManagedSurface(Context9 *context9, IDirect3DSurface9 *surface);
+    angle::Result copyToSurface(Context9 *context9, IDirect3DSurface9 *dest, const gl::Box &area);
+
+    angle::Result lock(Context9 *context9, D3DLOCKED_RECT *lockedRect, const RECT &rect);
+    void unlock();
+
+    angle::Result copyFromRTInternal(Context9 *context9,
+                                     const gl::Offset &destOffset,
+                                     const gl::Rectangle &sourceArea,
+                                     RenderTargetD3D *source);
+
+    Renderer9 *mRenderer;
+
+    D3DPOOL mD3DPool;  // can only be D3DPOOL_SYSTEMMEM or D3DPOOL_MANAGED since it needs to be
+                       // lockable.
+    D3DFORMAT mD3DFormat;
+
+    IDirect3DSurface9 *mSurface;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_IMAGE9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.cpp
new file mode 100644
index 0000000000..26bae3bdb8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.cpp
@@ -0,0 +1,161 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Indexffer9.cpp: Defines the D3D9 IndexBuffer implementation.
+
+#include "libANGLE/renderer/d3d/d3d9/IndexBuffer9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+
+namespace rx
+{
+
+IndexBuffer9::IndexBuffer9(Renderer9 *const renderer) : mRenderer(renderer)
+{
+    mIndexBuffer = nullptr;
+    mBufferSize  = 0;
+    mIndexType   = gl::DrawElementsType::InvalidEnum;
+    mDynamic     = false;
+}
+
+IndexBuffer9::~IndexBuffer9()
+{
+    SafeRelease(mIndexBuffer);
+}
+
+angle::Result IndexBuffer9::initialize(const gl::Context *context,
+                                       unsigned int bufferSize,
+                                       gl::DrawElementsType indexType,
+                                       bool dynamic)
+{
+    SafeRelease(mIndexBuffer);
+
+    updateSerial();
+
+    if (bufferSize > 0)
+    {
+        D3DFORMAT format = D3DFMT_UNKNOWN;
+        if (indexType == gl::DrawElementsType::UnsignedShort ||
+            indexType == gl::DrawElementsType::UnsignedByte)
+        {
+            format = D3DFMT_INDEX16;
+        }
+        else if (indexType == gl::DrawElementsType::UnsignedInt)
+        {
+            ASSERT(mRenderer->getNativeExtensions().elementIndexUintOES);
+            format = D3DFMT_INDEX32;
+        }
+        else
+            UNREACHABLE();
+
+        DWORD usageFlags = D3DUSAGE_WRITEONLY;
+        if (dynamic)
+        {
+            usageFlags |= D3DUSAGE_DYNAMIC;
+        }
+
+        HRESULT result =
+            mRenderer->createIndexBuffer(bufferSize, usageFlags, format, &mIndexBuffer);
+        ANGLE_TRY_HR(GetImplAs<Context9>(context), result,
+                     "Failed to allocate internal index buffer");
+    }
+
+    mBufferSize = bufferSize;
+    mIndexType  = indexType;
+    mDynamic    = dynamic;
+
+    return angle::Result::Continue;
+}
+
+angle::Result IndexBuffer9::mapBuffer(const gl::Context *context,
+                                      unsigned int offset,
+                                      unsigned int size,
+                                      void **outMappedMemory)
+{
+    ASSERT(mIndexBuffer);
+
+    DWORD lockFlags = mDynamic ? D3DLOCK_NOOVERWRITE : 0;
+
+    void *mapPtr   = nullptr;
+    HRESULT result = mIndexBuffer->Lock(offset, size, &mapPtr, lockFlags);
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to lock internal index buffer");
+
+    *outMappedMemory = mapPtr;
+    return angle::Result::Continue;
+}
+
+angle::Result IndexBuffer9::unmapBuffer(const gl::Context *context)
+{
+    ASSERT(mIndexBuffer);
+    HRESULT result = mIndexBuffer->Unlock();
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to unlock internal index buffer");
+
+    return angle::Result::Continue;
+}
+
+gl::DrawElementsType IndexBuffer9::getIndexType() const
+{
+    return mIndexType;
+}
+
+unsigned int IndexBuffer9::getBufferSize() const
+{
+    return mBufferSize;
+}
+
+angle::Result IndexBuffer9::setSize(const gl::Context *context,
+                                    unsigned int bufferSize,
+                                    gl::DrawElementsType indexType)
+{
+    if (bufferSize > mBufferSize || indexType != mIndexType)
+    {
+        return initialize(context, bufferSize, indexType, mDynamic);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result IndexBuffer9::discard(const gl::Context *context)
+{
+    ASSERT(mIndexBuffer);
+
+    void *mock;
+    HRESULT result;
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    result = mIndexBuffer->Lock(0, 1, &mock, D3DLOCK_DISCARD);
+    ANGLE_TRY_HR(context9, result, "Failed to lock internal index buffer");
+
+    result = mIndexBuffer->Unlock();
+    ANGLE_TRY_HR(context9, result, "Failed to unlock internal index buffer");
+
+    return angle::Result::Continue;
+}
+
+D3DFORMAT IndexBuffer9::getIndexFormat() const
+{
+    switch (mIndexType)
+    {
+        case gl::DrawElementsType::UnsignedByte:
+            return D3DFMT_INDEX16;
+        case gl::DrawElementsType::UnsignedShort:
+            return D3DFMT_INDEX16;
+        case gl::DrawElementsType::UnsignedInt:
+            return D3DFMT_INDEX32;
+        default:
+            UNREACHABLE();
+            return D3DFMT_UNKNOWN;
+    }
+}
+
+IDirect3DIndexBuffer9 *IndexBuffer9::getBuffer() const
+{
+    return mIndexBuffer;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.h
new file mode 100644
index 0000000000..9493a1ebbe
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.h
@@ -0,0 +1,57 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Indexffer9.h: Defines the D3D9 IndexBuffer implementation.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_INDEXBUFFER9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_INDEXBUFFER9_H_
+
+#include "libANGLE/renderer/d3d/IndexBuffer.h"
+
+namespace rx
+{
+class Renderer9;
+
+class IndexBuffer9 : public IndexBuffer
+{
+  public:
+    explicit IndexBuffer9(Renderer9 *const renderer);
+    ~IndexBuffer9() override;
+
+    angle::Result initialize(const gl::Context *context,
+                             unsigned int bufferSize,
+                             gl::DrawElementsType indexType,
+                             bool dynamic) override;
+
+    angle::Result mapBuffer(const gl::Context *context,
+                            unsigned int offset,
+                            unsigned int size,
+                            void **outMappedMemory) override;
+    angle::Result unmapBuffer(const gl::Context *context) override;
+
+    gl::DrawElementsType getIndexType() const override;
+    unsigned int getBufferSize() const override;
+    angle::Result setSize(const gl::Context *context,
+                          unsigned int bufferSize,
+                          gl::DrawElementsType indexType) override;
+
+    angle::Result discard(const gl::Context *context) override;
+
+    D3DFORMAT getIndexFormat() const;
+    IDirect3DIndexBuffer9 *getBuffer() const;
+
+  private:
+    Renderer9 *const mRenderer;
+
+    IDirect3DIndexBuffer9 *mIndexBuffer;
+    unsigned int mBufferSize;
+    gl::DrawElementsType mIndexType;
+    bool mDynamic;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_INDEXBUFFER9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/NativeWindow9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/NativeWindow9.cpp
new file mode 100644
index 0000000000..e4834b44eb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/NativeWindow9.cpp
@@ -0,0 +1,37 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// NativeWindow9.cpp: Defines NativeWindow9, a class for managing and
+// performing operations on an EGLNativeWindowType for the D3D9 renderer.
+
+#include "libANGLE/renderer/d3d/d3d9/NativeWindow9.h"
+
+namespace rx
+{
+NativeWindow9::NativeWindow9(EGLNativeWindowType window) : NativeWindowD3D(window) {}
+
+bool NativeWindow9::initialize()
+{
+    return true;
+}
+
+bool NativeWindow9::getClientRect(LPRECT rect) const
+{
+    return GetClientRect(getNativeWindow(), rect) == TRUE;
+}
+
+bool NativeWindow9::isIconic() const
+{
+    return IsIconic(getNativeWindow()) == TRUE;
+}
+
+// static
+bool NativeWindow9::IsValidNativeWindow(EGLNativeWindowType window)
+{
+    return IsWindow(window) == TRUE;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/NativeWindow9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/NativeWindow9.h
new file mode 100644
index 0000000000..aae9e13cc0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/NativeWindow9.h
@@ -0,0 +1,35 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// NativeWindow9.h: Defines NativeWindow9, a class for managing and
+// performing operations on an EGLNativeWindowType for the D3D9 renderer.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_NATIVEWINDOW9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_NATIVEWINDOW9_H_
+
+#include "common/debug.h"
+#include "common/platform.h"
+
+#include "libANGLE/renderer/d3d/NativeWindowD3D.h"
+
+namespace rx
+{
+
+class NativeWindow9 : public NativeWindowD3D
+{
+  public:
+    explicit NativeWindow9(EGLNativeWindowType window);
+
+    bool initialize() override;
+    bool getClientRect(LPRECT rect) const override;
+    bool isIconic() const override;
+
+    static bool IsValidNativeWindow(EGLNativeWindowType window);
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_NATIVEWINDOW9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Query9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Query9.cpp
new file mode 100644
index 0000000000..aeefd6a29f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Query9.cpp
@@ -0,0 +1,176 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Query9.cpp: Defines the rx::Query9 class which implements rx::QueryImpl.
+
+#include "libANGLE/renderer/d3d/d3d9/Query9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+#include <GLES2/gl2ext.h>
+
+namespace rx
+{
+Query9::Query9(Renderer9 *renderer, gl::QueryType type)
+    : QueryImpl(type),
+      mGetDataAttemptCount(0),
+      mResult(GL_FALSE),
+      mQueryFinished(false),
+      mRenderer(renderer),
+      mQuery(nullptr)
+{}
+
+Query9::~Query9()
+{
+    SafeRelease(mQuery);
+}
+
+angle::Result Query9::begin(const gl::Context *context)
+{
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    D3DQUERYTYPE d3dQueryType = gl_d3d9::ConvertQueryType(getType());
+    if (mQuery == nullptr)
+    {
+        HRESULT result = mRenderer->getDevice()->CreateQuery(d3dQueryType, &mQuery);
+        ANGLE_TRY_HR(context9, result, "Internal query creation failed");
+    }
+
+    if (d3dQueryType != D3DQUERYTYPE_EVENT)
+    {
+        HRESULT result = mQuery->Issue(D3DISSUE_BEGIN);
+        ASSERT(SUCCEEDED(result));
+        ANGLE_TRY_HR(context9, result, "Failed to begin internal query");
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Query9::end(const gl::Context *context)
+{
+    Context9 *context9 = GetImplAs<Context9>(context);
+    ASSERT(mQuery);
+
+    HRESULT result = mQuery->Issue(D3DISSUE_END);
+    ASSERT(SUCCEEDED(result));
+    ANGLE_TRY_HR(context9, result, "Failed to end internal query");
+    mQueryFinished = false;
+    mResult        = GL_FALSE;
+
+    return angle::Result::Continue;
+}
+
+angle::Result Query9::queryCounter(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+}
+
+template <typename T>
+angle::Result Query9::getResultBase(Context9 *context9, T *params)
+{
+    while (!mQueryFinished)
+    {
+        ANGLE_TRY(testQuery(context9));
+
+        if (!mQueryFinished)
+        {
+            Sleep(0);
+        }
+    }
+
+    ASSERT(mQueryFinished);
+    *params = static_cast<T>(mResult);
+    return angle::Result::Continue;
+}
+
+angle::Result Query9::getResult(const gl::Context *context, GLint *params)
+{
+    return getResultBase(GetImplAs<Context9>(context), params);
+}
+
+angle::Result Query9::getResult(const gl::Context *context, GLuint *params)
+{
+    return getResultBase(GetImplAs<Context9>(context), params);
+}
+
+angle::Result Query9::getResult(const gl::Context *context, GLint64 *params)
+{
+    return getResultBase(GetImplAs<Context9>(context), params);
+}
+
+angle::Result Query9::getResult(const gl::Context *context, GLuint64 *params)
+{
+    return getResultBase(GetImplAs<Context9>(context), params);
+}
+
+angle::Result Query9::isResultAvailable(const gl::Context *context, bool *available)
+{
+    ANGLE_TRY(testQuery(GetImplAs<Context9>(context)));
+    *available = mQueryFinished;
+    return angle::Result::Continue;
+}
+
+angle::Result Query9::testQuery(Context9 *context9)
+{
+    if (!mQueryFinished)
+    {
+        ASSERT(mQuery);
+
+        HRESULT result = S_OK;
+        switch (getType())
+        {
+            case gl::QueryType::AnySamples:
+            case gl::QueryType::AnySamplesConservative:
+            {
+                DWORD numPixels = 0;
+                result          = mQuery->GetData(&numPixels, sizeof(numPixels), D3DGETDATA_FLUSH);
+                if (result == S_OK)
+                {
+                    mQueryFinished = true;
+                    mResult        = (numPixels > 0) ? GL_TRUE : GL_FALSE;
+                }
+                break;
+            }
+
+            case gl::QueryType::CommandsCompleted:
+            {
+                BOOL completed = FALSE;
+                result         = mQuery->GetData(&completed, sizeof(completed), D3DGETDATA_FLUSH);
+                if (result == S_OK)
+                {
+                    mQueryFinished = true;
+                    mResult        = (completed == TRUE) ? GL_TRUE : GL_FALSE;
+                }
+                break;
+            }
+
+            default:
+                UNREACHABLE();
+                break;
+        }
+
+        if (!mQueryFinished)
+        {
+            ANGLE_TRY_HR(context9, result, "Failed to test get query result");
+
+            mGetDataAttemptCount++;
+            bool checkDeviceLost =
+                (mGetDataAttemptCount % kPollingD3DDeviceLostCheckFrequency) == 0;
+            if (checkDeviceLost && mRenderer->testDeviceLost())
+            {
+                ANGLE_TRY_HR(context9, D3DERR_DEVICELOST,
+                             "Failed to test get query result, device is lost");
+            }
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Query9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Query9.h
new file mode 100644
index 0000000000..df10ded225
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Query9.h
@@ -0,0 +1,50 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Query9.h: Defines the rx::Query9 class which implements rx::QueryImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_QUERY9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_QUERY9_H_
+
+#include "libANGLE/renderer/QueryImpl.h"
+
+namespace rx
+{
+class Context9;
+class Renderer9;
+
+class Query9 : public QueryImpl
+{
+  public:
+    Query9(Renderer9 *renderer, gl::QueryType type);
+    ~Query9() override;
+
+    angle::Result begin(const gl::Context *context) override;
+    angle::Result end(const gl::Context *context) override;
+    angle::Result queryCounter(const gl::Context *context) override;
+    angle::Result getResult(const gl::Context *context, GLint *params) override;
+    angle::Result getResult(const gl::Context *context, GLuint *params) override;
+    angle::Result getResult(const gl::Context *context, GLint64 *params) override;
+    angle::Result getResult(const gl::Context *context, GLuint64 *params) override;
+    angle::Result isResultAvailable(const gl::Context *context, bool *available) override;
+
+  private:
+    angle::Result testQuery(Context9 *context9);
+
+    template <typename T>
+    angle::Result getResultBase(Context9 *context9, T *params);
+
+    unsigned int mGetDataAttemptCount;
+    GLuint64 mResult;
+    bool mQueryFinished;
+
+    Renderer9 *mRenderer;
+    IDirect3DQuery9 *mQuery;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_QUERY9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/RenderTarget9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/RenderTarget9.cpp
new file mode 100644
index 0000000000..54c3291799
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/RenderTarget9.cpp
@@ -0,0 +1,160 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderTarget9.cpp: Implements a D3D9-specific wrapper for IDirect3DSurface9
+// pointers retained by renderbuffers.
+
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/SwapChain9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+
+// TODO: AddRef the incoming surface to take ownership instead of expecting that its ref is being
+// given.
+TextureRenderTarget9::TextureRenderTarget9(IDirect3DBaseTexture9 *texture,
+                                           size_t textureLevel,
+                                           IDirect3DSurface9 *surface,
+                                           GLenum internalFormat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           GLsizei samples)
+    : mWidth(width),
+      mHeight(height),
+      mDepth(depth),
+      mInternalFormat(internalFormat),
+      mD3DFormat(D3DFMT_UNKNOWN),
+      mSamples(samples),
+      mTexture(texture),
+      mTextureLevel(textureLevel),
+      mRenderTarget(surface)
+{
+    ASSERT(mDepth == 1);
+
+    if (mRenderTarget)
+    {
+        D3DSURFACE_DESC description;
+        mRenderTarget->GetDesc(&description);
+        mD3DFormat = description.Format;
+    }
+}
+
+TextureRenderTarget9::~TextureRenderTarget9()
+{
+    SafeRelease(mTexture);
+    SafeRelease(mRenderTarget);
+}
+
+GLsizei TextureRenderTarget9::getWidth() const
+{
+    return mWidth;
+}
+
+GLsizei TextureRenderTarget9::getHeight() const
+{
+    return mHeight;
+}
+
+GLsizei TextureRenderTarget9::getDepth() const
+{
+    return mDepth;
+}
+
+GLenum TextureRenderTarget9::getInternalFormat() const
+{
+    return mInternalFormat;
+}
+
+GLsizei TextureRenderTarget9::getSamples() const
+{
+    return mSamples;
+}
+
+IDirect3DBaseTexture9 *TextureRenderTarget9::getTexture() const
+{
+    return mTexture;
+}
+
+size_t TextureRenderTarget9::getTextureLevel() const
+{
+    return mTextureLevel;
+}
+
+IDirect3DSurface9 *TextureRenderTarget9::getSurface() const
+{
+    // Caller is responsible for releasing the returned surface reference.
+    // TODO: remove the AddRef to match RenderTarget11
+    if (mRenderTarget)
+    {
+        mRenderTarget->AddRef();
+    }
+
+    return mRenderTarget;
+}
+
+D3DFORMAT TextureRenderTarget9::getD3DFormat() const
+{
+    return mD3DFormat;
+}
+
+SurfaceRenderTarget9::SurfaceRenderTarget9(SwapChain9 *swapChain, bool depth)
+    : mSwapChain(swapChain), mDepth(depth)
+{}
+
+SurfaceRenderTarget9::~SurfaceRenderTarget9() {}
+
+GLsizei SurfaceRenderTarget9::getWidth() const
+{
+    return mSwapChain->getWidth();
+}
+
+GLsizei SurfaceRenderTarget9::getHeight() const
+{
+    return mSwapChain->getHeight();
+}
+
+GLsizei SurfaceRenderTarget9::getDepth() const
+{
+    return 1;
+}
+
+GLenum SurfaceRenderTarget9::getInternalFormat() const
+{
+    return (mDepth ? mSwapChain->getDepthBufferInternalFormat()
+                   : mSwapChain->getRenderTargetInternalFormat());
+}
+
+GLsizei SurfaceRenderTarget9::getSamples() const
+{
+    // Our EGL surfaces do not support multisampling.
+    return 0;
+}
+
+IDirect3DSurface9 *SurfaceRenderTarget9::getSurface() const
+{
+    return (mDepth ? mSwapChain->getDepthStencil() : mSwapChain->getRenderTarget());
+}
+
+IDirect3DBaseTexture9 *SurfaceRenderTarget9::getTexture() const
+{
+    return (mDepth ? nullptr : mSwapChain->getOffscreenTexture());
+}
+
+size_t SurfaceRenderTarget9::getTextureLevel() const
+{
+    return 0;
+}
+
+D3DFORMAT SurfaceRenderTarget9::getD3DFormat() const
+{
+    return d3d9::GetTextureFormatInfo(getInternalFormat()).texFormat;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/RenderTarget9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/RenderTarget9.h
new file mode 100644
index 0000000000..010955eb41
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/RenderTarget9.h
@@ -0,0 +1,98 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderTarget9.h: Defines a D3D9-specific wrapper for IDirect3DSurface9 pointers
+// retained by Renderbuffers.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_RENDERTARGET9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_RENDERTARGET9_H_
+
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+
+namespace rx
+{
+class Renderer9;
+class SwapChain9;
+
+class RenderTarget9 : public RenderTargetD3D
+{
+  public:
+    RenderTarget9() {}
+    ~RenderTarget9() override {}
+    // Retrieve the texture that backs this render target, may be null for swap chain render
+    // targets.
+    virtual IDirect3DBaseTexture9 *getTexture() const = 0;
+    virtual size_t getTextureLevel() const            = 0;
+
+    virtual IDirect3DSurface9 *getSurface() const = 0;
+
+    virtual D3DFORMAT getD3DFormat() const = 0;
+};
+
+class TextureRenderTarget9 : public RenderTarget9
+{
+  public:
+    TextureRenderTarget9(IDirect3DBaseTexture9 *texture,
+                         size_t textureLevel,
+                         IDirect3DSurface9 *surface,
+                         GLenum internalFormat,
+                         GLsizei width,
+                         GLsizei height,
+                         GLsizei depth,
+                         GLsizei samples);
+    ~TextureRenderTarget9() override;
+
+    GLsizei getWidth() const override;
+    GLsizei getHeight() const override;
+    GLsizei getDepth() const override;
+    GLenum getInternalFormat() const override;
+    GLsizei getSamples() const override;
+
+    IDirect3DBaseTexture9 *getTexture() const override;
+    size_t getTextureLevel() const override;
+    IDirect3DSurface9 *getSurface() const override;
+
+    D3DFORMAT getD3DFormat() const override;
+
+  private:
+    GLsizei mWidth;
+    GLsizei mHeight;
+    GLsizei mDepth;
+    GLenum mInternalFormat;
+    D3DFORMAT mD3DFormat;
+    GLsizei mSamples;
+
+    IDirect3DBaseTexture9 *mTexture;
+    size_t mTextureLevel;
+    IDirect3DSurface9 *mRenderTarget;
+};
+
+class SurfaceRenderTarget9 : public RenderTarget9
+{
+  public:
+    SurfaceRenderTarget9(SwapChain9 *swapChain, bool depth);
+    ~SurfaceRenderTarget9() override;
+
+    GLsizei getWidth() const override;
+    GLsizei getHeight() const override;
+    GLsizei getDepth() const override;
+    GLenum getInternalFormat() const override;
+    GLsizei getSamples() const override;
+
+    IDirect3DBaseTexture9 *getTexture() const override;
+    size_t getTextureLevel() const override;
+    IDirect3DSurface9 *getSurface() const override;
+
+    D3DFORMAT getD3DFormat() const override;
+
+  private:
+    SwapChain9 *mSwapChain;
+    bool mDepth;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_RENDERTARGET9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
new file mode 100644
index 0000000000..d80997392d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
@@ -0,0 +1,3338 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Renderer9.cpp: Implements a back-end specific class for the D3D9 renderer.
+
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+
+#include <EGL/eglext.h>
+#include <sstream>
+
+#include "common/utilities.h"
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/State.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/features.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/CompilerD3D.h"
+#include "libANGLE/renderer/d3d/DeviceD3D.h"
+#include "libANGLE/renderer/d3d/DisplayD3D.h"
+#include "libANGLE/renderer/d3d/FramebufferD3D.h"
+#include "libANGLE/renderer/d3d/IndexDataManager.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+#include "libANGLE/renderer/d3d/SurfaceD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/Blit9.h"
+#include "libANGLE/renderer/d3d/d3d9/Buffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+#include "libANGLE/renderer/d3d/d3d9/Fence9.h"
+#include "libANGLE/renderer/d3d/d3d9/Framebuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/Image9.h"
+#include "libANGLE/renderer/d3d/d3d9/IndexBuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/NativeWindow9.h"
+#include "libANGLE/renderer/d3d/d3d9/Query9.h"
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+#include "libANGLE/renderer/d3d/d3d9/ShaderExecutable9.h"
+#include "libANGLE/renderer/d3d/d3d9/SwapChain9.h"
+#include "libANGLE/renderer/d3d/d3d9/TextureStorage9.h"
+#include "libANGLE/renderer/d3d/d3d9/VertexArray9.h"
+#include "libANGLE/renderer/d3d/d3d9/VertexBuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+#include "libANGLE/renderer/d3d/driver_utils_d3d.h"
+#include "libANGLE/renderer/driver_utils.h"
+#include "libANGLE/trace.h"
+
+#if !defined(ANGLE_COMPILE_OPTIMIZATION_LEVEL)
+#    define ANGLE_COMPILE_OPTIMIZATION_LEVEL D3DCOMPILE_OPTIMIZATION_LEVEL3
+#endif
+
+// Enable ANGLE_SUPPORT_SHADER_MODEL_2 if you wish devices with only shader model 2.
+// Such a device would not be conformant.
+#ifndef ANGLE_SUPPORT_SHADER_MODEL_2
+#    define ANGLE_SUPPORT_SHADER_MODEL_2 0
+#endif
+
+namespace rx
+{
+
+namespace
+{
+enum
+{
+    MAX_VERTEX_CONSTANT_VECTORS_D3D9 = 256,
+    MAX_PIXEL_CONSTANT_VECTORS_SM2   = 32,
+    MAX_PIXEL_CONSTANT_VECTORS_SM3   = 224,
+    MAX_VARYING_VECTORS_SM2          = 8,
+    MAX_VARYING_VECTORS_SM3          = 10,
+
+    MAX_TEXTURE_IMAGE_UNITS_VTF_SM3 = 4
+};
+
+template <typename T>
+static void DrawPoints(IDirect3DDevice9 *device, GLsizei count, const void *indices, int minIndex)
+{
+    for (int i = 0; i < count; i++)
+    {
+        unsigned int indexValue =
+            static_cast<unsigned int>(static_cast<const T *>(indices)[i]) - minIndex;
+        device->DrawPrimitive(D3DPT_POINTLIST, indexValue, 1);
+    }
+}
+
+// A hard limit on buffer size. This works around a problem in the NVIDIA drivers where buffer sizes
+// close to MAX_UINT would give undefined results. The limit of MAX_UINT/2 should be generous enough
+// for almost any demanding application.
+constexpr UINT kMaximumBufferSizeHardLimit = std::numeric_limits<UINT>::max() >> 1;
+}  // anonymous namespace
+
+Renderer9::Renderer9(egl::Display *display) : RendererD3D(display), mStateManager(this)
+{
+    mD3d9Module = nullptr;
+
+    mD3d9         = nullptr;
+    mD3d9Ex       = nullptr;
+    mDevice       = nullptr;
+    mDeviceEx     = nullptr;
+    mDeviceWindow = nullptr;
+    mBlit         = nullptr;
+
+    mAdapter = D3DADAPTER_DEFAULT;
+
+    const egl::AttributeMap &attributes = display->getAttributeMap();
+    EGLint requestedDeviceType          = static_cast<EGLint>(attributes.get(
+                 EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE));
+    switch (requestedDeviceType)
+    {
+        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE:
+            mDeviceType = D3DDEVTYPE_HAL;
+            break;
+
+        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_REFERENCE_ANGLE:
+            mDeviceType = D3DDEVTYPE_REF;
+            break;
+
+        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE:
+            mDeviceType = D3DDEVTYPE_NULLREF;
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    mMaskedClearSavedState = nullptr;
+
+    mVertexDataManager = nullptr;
+    mIndexDataManager  = nullptr;
+    mLineLoopIB        = nullptr;
+    mCountingIB        = nullptr;
+
+    mMaxNullColorbufferLRU = 0;
+    for (int i = 0; i < NUM_NULL_COLORBUFFER_CACHE_ENTRIES; i++)
+    {
+        mNullRenderTargetCache[i].lruCount     = 0;
+        mNullRenderTargetCache[i].width        = 0;
+        mNullRenderTargetCache[i].height       = 0;
+        mNullRenderTargetCache[i].renderTarget = nullptr;
+    }
+
+    mAppliedVertexShader  = nullptr;
+    mAppliedPixelShader   = nullptr;
+    mAppliedProgramSerial = 0;
+
+    gl::InitializeDebugAnnotations(&mAnnotator);
+}
+
+void Renderer9::setGlobalDebugAnnotator()
+{
+    gl::InitializeDebugAnnotations(&mAnnotator);
+}
+
+Renderer9::~Renderer9()
+{
+    if (mDevice)
+    {
+        // If the device is lost, reset it first to prevent leaving the driver in an unstable state
+        if (testDeviceLost())
+        {
+            resetDevice();
+        }
+    }
+
+    release();
+}
+
+void Renderer9::release()
+{
+    gl::UninitializeDebugAnnotations();
+
+    mTranslatedAttribCache.clear();
+
+    releaseDeviceResources();
+
+    SafeRelease(mDevice);
+    SafeRelease(mDeviceEx);
+    SafeRelease(mD3d9);
+    SafeRelease(mD3d9Ex);
+
+    mCompiler.release();
+
+    if (mDeviceWindow)
+    {
+        DestroyWindow(mDeviceWindow);
+        mDeviceWindow = nullptr;
+    }
+
+    mD3d9Module = nullptr;
+}
+
+egl::Error Renderer9::initialize()
+{
+    ANGLE_TRACE_EVENT0("gpu.angle", "GetModuleHandle_d3d9");
+    mD3d9Module = ::LoadLibrary(TEXT("d3d9.dll"));
+
+    if (mD3d9Module == nullptr)
+    {
+        return egl::EglNotInitialized(D3D9_INIT_MISSING_DEP) << "No D3D9 module found.";
+    }
+
+    typedef HRESULT(WINAPI * Direct3DCreate9ExFunc)(UINT, IDirect3D9Ex **);
+    Direct3DCreate9ExFunc Direct3DCreate9ExPtr =
+        reinterpret_cast<Direct3DCreate9ExFunc>(GetProcAddress(mD3d9Module, "Direct3DCreate9Ex"));
+
+    // Use Direct3D9Ex if available. Among other things, this version is less
+    // inclined to report a lost context, for example when the user switches
+    // desktop. Direct3D9Ex is available in Windows Vista and later if suitable drivers are
+    // available.
+    if (ANGLE_D3D9EX == ANGLE_ENABLED && Direct3DCreate9ExPtr &&
+        SUCCEEDED(Direct3DCreate9ExPtr(D3D_SDK_VERSION, &mD3d9Ex)))
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "D3d9Ex_QueryInterface");
+        ASSERT(mD3d9Ex);
+        mD3d9Ex->QueryInterface(__uuidof(IDirect3D9), reinterpret_cast<void **>(&mD3d9));
+        ASSERT(mD3d9);
+    }
+    else
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "Direct3DCreate9");
+        mD3d9 = Direct3DCreate9(D3D_SDK_VERSION);
+    }
+
+    if (!mD3d9)
+    {
+        return egl::EglNotInitialized(D3D9_INIT_MISSING_DEP) << "Could not create D3D9 device.";
+    }
+
+    if (mDisplay->getNativeDisplayId() != nullptr)
+    {
+        //  UNIMPLEMENTED();   // FIXME: Determine which adapter index the device context
+        //  corresponds to
+    }
+
+    HRESULT result;
+
+    // Give up on getting device caps after about one second.
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "GetDeviceCaps");
+        for (int i = 0; i < 10; ++i)
+        {
+            result = mD3d9->GetDeviceCaps(mAdapter, mDeviceType, &mDeviceCaps);
+            if (SUCCEEDED(result))
+            {
+                break;
+            }
+            else if (result == D3DERR_NOTAVAILABLE)
+            {
+                Sleep(100);  // Give the driver some time to initialize/recover
+            }
+            else if (FAILED(result))  // D3DERR_OUTOFVIDEOMEMORY, E_OUTOFMEMORY,
+                                      // D3DERR_INVALIDDEVICE, or another error we can't recover
+                                      // from
+            {
+                return egl::EglNotInitialized(D3D9_INIT_OTHER_ERROR)
+                       << "Failed to get device caps, " << gl::FmtHR(result);
+            }
+        }
+    }
+
+#if ANGLE_SUPPORT_SHADER_MODEL_2
+    size_t minShaderModel = 2;
+#else
+    size_t minShaderModel = 3;
+#endif
+
+    if (mDeviceCaps.PixelShaderVersion < D3DPS_VERSION(minShaderModel, 0))
+    {
+        return egl::EglNotInitialized(D3D9_INIT_UNSUPPORTED_VERSION)
+               << "Renderer does not support PS " << minShaderModel << ".0, aborting!";
+    }
+
+    // When DirectX9 is running with an older DirectX8 driver, a StretchRect from a regular texture
+    // to a render target texture is not supported. This is required by
+    // Texture2D::ensureRenderTarget.
+    if ((mDeviceCaps.DevCaps2 & D3DDEVCAPS2_CAN_STRETCHRECT_FROM_TEXTURES) == 0)
+    {
+        return egl::EglNotInitialized(D3D9_INIT_UNSUPPORTED_STRETCHRECT)
+               << "Renderer does not support StretctRect from textures.";
+    }
+
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "GetAdapterIdentifier");
+        mD3d9->GetAdapterIdentifier(mAdapter, 0, &mAdapterIdentifier);
+    }
+
+    static const TCHAR windowName[] = TEXT("AngleHiddenWindow");
+    static const TCHAR className[]  = TEXT("STATIC");
+
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "CreateWindowEx");
+        mDeviceWindow =
+            CreateWindowEx(WS_EX_NOACTIVATE, className, windowName, WS_DISABLED | WS_POPUP, 0, 0, 1,
+                           1, HWND_MESSAGE, nullptr, GetModuleHandle(nullptr), nullptr);
+    }
+
+    D3DPRESENT_PARAMETERS presentParameters = getDefaultPresentParameters();
+    DWORD behaviorFlags =
+        D3DCREATE_FPU_PRESERVE | D3DCREATE_NOWINDOWCHANGES | D3DCREATE_MULTITHREADED;
+
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "D3d9_CreateDevice");
+        result = mD3d9->CreateDevice(
+            mAdapter, mDeviceType, mDeviceWindow,
+            behaviorFlags | D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE,
+            &presentParameters, &mDevice);
+
+        if (FAILED(result))
+        {
+            ERR() << "CreateDevice1 failed: (" << gl::FmtHR(result) << ")";
+        }
+    }
+    if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_DEVICELOST)
+    {
+        return egl::EglBadAlloc(D3D9_INIT_OUT_OF_MEMORY)
+               << "CreateDevice failed: device lost or out of memory (" << gl::FmtHR(result) << ")";
+    }
+
+    if (FAILED(result))
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "D3d9_CreateDevice2");
+        result = mD3d9->CreateDevice(mAdapter, mDeviceType, mDeviceWindow,
+                                     behaviorFlags | D3DCREATE_SOFTWARE_VERTEXPROCESSING,
+                                     &presentParameters, &mDevice);
+
+        if (FAILED(result))
+        {
+            ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY ||
+                   result == D3DERR_NOTAVAILABLE || result == D3DERR_DEVICELOST);
+            return egl::EglBadAlloc(D3D9_INIT_OUT_OF_MEMORY)
+                   << "CreateDevice2 failed: device lost, not available, or of out of memory ("
+                   << gl::FmtHR(result) << ")";
+        }
+    }
+
+    if (mD3d9Ex)
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "mDevice_QueryInterface");
+        result = mDevice->QueryInterface(__uuidof(IDirect3DDevice9Ex), (void **)&mDeviceEx);
+        ASSERT(SUCCEEDED(result));
+    }
+
+    {
+        ANGLE_TRACE_EVENT0("gpu.angle", "ShaderCache initialize");
+        mVertexShaderCache.initialize(mDevice);
+        mPixelShaderCache.initialize(mDevice);
+    }
+
+    D3DDISPLAYMODE currentDisplayMode;
+    mD3d9->GetAdapterDisplayMode(mAdapter, &currentDisplayMode);
+
+    // Check vertex texture support
+    // Only Direct3D 10 ready devices support all the necessary vertex texture formats.
+    // We test this using D3D9 by checking support for the R16F format.
+    mVertexTextureSupport = mDeviceCaps.PixelShaderVersion >= D3DPS_VERSION(3, 0) &&
+                            SUCCEEDED(mD3d9->CheckDeviceFormat(
+                                mAdapter, mDeviceType, currentDisplayMode.Format,
+                                D3DUSAGE_QUERY_VERTEXTEXTURE, D3DRTYPE_TEXTURE, D3DFMT_R16F));
+
+    ANGLE_TRY(initializeDevice());
+
+    return egl::NoError();
+}
+
+// do any one-time device initialization
+// NOTE: this is also needed after a device lost/reset
+// to reset the scene status and ensure the default states are reset.
+egl::Error Renderer9::initializeDevice()
+{
+    // Permanent non-default states
+    mDevice->SetRenderState(D3DRS_POINTSPRITEENABLE, TRUE);
+    mDevice->SetRenderState(D3DRS_LASTPIXEL, FALSE);
+
+    if (mDeviceCaps.PixelShaderVersion >= D3DPS_VERSION(3, 0))
+    {
+        mDevice->SetRenderState(D3DRS_POINTSIZE_MAX, (DWORD &)mDeviceCaps.MaxPointSize);
+    }
+    else
+    {
+        mDevice->SetRenderState(D3DRS_POINTSIZE_MAX, 0x3F800000);  // 1.0f
+    }
+
+    const gl::Caps &rendererCaps = getNativeCaps();
+
+    mCurVertexSamplerStates.resize(rendererCaps.maxShaderTextureImageUnits[gl::ShaderType::Vertex]);
+    mCurPixelSamplerStates.resize(
+        rendererCaps.maxShaderTextureImageUnits[gl::ShaderType::Fragment]);
+
+    mCurVertexTextures.resize(rendererCaps.maxShaderTextureImageUnits[gl::ShaderType::Vertex]);
+    mCurPixelTextures.resize(rendererCaps.maxShaderTextureImageUnits[gl::ShaderType::Fragment]);
+
+    markAllStateDirty();
+
+    mSceneStarted = false;
+
+    ASSERT(!mBlit);
+    mBlit = new Blit9(this);
+
+    ASSERT(!mVertexDataManager && !mIndexDataManager);
+    mIndexDataManager = new IndexDataManager(this);
+
+    mTranslatedAttribCache.resize(getNativeCaps().maxVertexAttributes);
+
+    mStateManager.initialize();
+
+    return egl::NoError();
+}
+
+D3DPRESENT_PARAMETERS Renderer9::getDefaultPresentParameters()
+{
+    D3DPRESENT_PARAMETERS presentParameters = {};
+
+    // The default swap chain is never actually used. Surface will create a new swap chain with the
+    // proper parameters.
+    presentParameters.AutoDepthStencilFormat = D3DFMT_UNKNOWN;
+    presentParameters.BackBufferCount        = 1;
+    presentParameters.BackBufferFormat       = D3DFMT_UNKNOWN;
+    presentParameters.BackBufferWidth        = 1;
+    presentParameters.BackBufferHeight       = 1;
+    presentParameters.EnableAutoDepthStencil = FALSE;
+    presentParameters.Flags                  = 0;
+    presentParameters.hDeviceWindow          = mDeviceWindow;
+    presentParameters.MultiSampleQuality     = 0;
+    presentParameters.MultiSampleType        = D3DMULTISAMPLE_NONE;
+    presentParameters.PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
+    presentParameters.SwapEffect             = D3DSWAPEFFECT_DISCARD;
+    presentParameters.Windowed               = TRUE;
+
+    return presentParameters;
+}
+
+egl::ConfigSet Renderer9::generateConfigs()
+{
+    static const GLenum colorBufferFormats[] = {
+        GL_BGR5_A1_ANGLEX,
+        GL_BGRA8_EXT,
+        GL_RGB565,
+
+    };
+
+    static const GLenum depthStencilBufferFormats[] = {
+        GL_NONE,
+        GL_DEPTH_COMPONENT32_OES,
+        GL_DEPTH24_STENCIL8_OES,
+        GL_DEPTH_COMPONENT24_OES,
+        GL_DEPTH_COMPONENT16,
+    };
+
+    const gl::Caps &rendererCaps                  = getNativeCaps();
+    const gl::TextureCapsMap &rendererTextureCaps = getNativeTextureCaps();
+
+    D3DDISPLAYMODE currentDisplayMode;
+    mD3d9->GetAdapterDisplayMode(mAdapter, &currentDisplayMode);
+
+    // Determine the min and max swap intervals
+    int minSwapInterval = 4;
+    int maxSwapInterval = 0;
+
+    if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_IMMEDIATE)
+    {
+        minSwapInterval = std::min(minSwapInterval, 0);
+        maxSwapInterval = std::max(maxSwapInterval, 0);
+    }
+    if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_ONE)
+    {
+        minSwapInterval = std::min(minSwapInterval, 1);
+        maxSwapInterval = std::max(maxSwapInterval, 1);
+    }
+    if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_TWO)
+    {
+        minSwapInterval = std::min(minSwapInterval, 2);
+        maxSwapInterval = std::max(maxSwapInterval, 2);
+    }
+    if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_THREE)
+    {
+        minSwapInterval = std::min(minSwapInterval, 3);
+        maxSwapInterval = std::max(maxSwapInterval, 3);
+    }
+    if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_FOUR)
+    {
+        minSwapInterval = std::min(minSwapInterval, 4);
+        maxSwapInterval = std::max(maxSwapInterval, 4);
+    }
+
+    egl::ConfigSet configs;
+    for (size_t formatIndex = 0; formatIndex < ArraySize(colorBufferFormats); formatIndex++)
+    {
+        GLenum colorBufferInternalFormat = colorBufferFormats[formatIndex];
+        const gl::TextureCaps &colorBufferFormatCaps =
+            rendererTextureCaps.get(colorBufferInternalFormat);
+        if (colorBufferFormatCaps.renderbuffer)
+        {
+            ASSERT(colorBufferFormatCaps.textureAttachment);
+            for (size_t depthStencilIndex = 0;
+                 depthStencilIndex < ArraySize(depthStencilBufferFormats); depthStencilIndex++)
+            {
+                GLenum depthStencilBufferInternalFormat =
+                    depthStencilBufferFormats[depthStencilIndex];
+                const gl::TextureCaps &depthStencilBufferFormatCaps =
+                    rendererTextureCaps.get(depthStencilBufferInternalFormat);
+                if (depthStencilBufferFormatCaps.renderbuffer ||
+                    depthStencilBufferInternalFormat == GL_NONE)
+                {
+                    ASSERT(depthStencilBufferFormatCaps.textureAttachment ||
+                           depthStencilBufferInternalFormat == GL_NONE);
+                    const gl::InternalFormat &colorBufferFormatInfo =
+                        gl::GetSizedInternalFormatInfo(colorBufferInternalFormat);
+                    const gl::InternalFormat &depthStencilBufferFormatInfo =
+                        gl::GetSizedInternalFormatInfo(depthStencilBufferInternalFormat);
+                    const d3d9::TextureFormat &d3d9ColorBufferFormatInfo =
+                        d3d9::GetTextureFormatInfo(colorBufferInternalFormat);
+
+                    egl::Config config;
+                    config.renderTargetFormat = colorBufferInternalFormat;
+                    config.depthStencilFormat = depthStencilBufferInternalFormat;
+                    config.bufferSize         = colorBufferFormatInfo.pixelBytes * 8;
+                    config.redSize            = colorBufferFormatInfo.redBits;
+                    config.greenSize          = colorBufferFormatInfo.greenBits;
+                    config.blueSize           = colorBufferFormatInfo.blueBits;
+                    config.luminanceSize      = colorBufferFormatInfo.luminanceBits;
+                    config.alphaSize          = colorBufferFormatInfo.alphaBits;
+                    config.alphaMaskSize      = 0;
+                    config.bindToTextureRGB   = (colorBufferFormatInfo.format == GL_RGB);
+                    config.bindToTextureRGBA  = (colorBufferFormatInfo.format == GL_RGBA ||
+                                                colorBufferFormatInfo.format == GL_BGRA_EXT);
+                    config.colorBufferType    = EGL_RGB_BUFFER;
+                    // Mark as slow if blits to the back-buffer won't be straight forward
+                    config.configCaveat =
+                        (currentDisplayMode.Format == d3d9ColorBufferFormatInfo.renderFormat)
+                            ? EGL_NONE
+                            : EGL_SLOW_CONFIG;
+                    config.configID          = static_cast<EGLint>(configs.size() + 1);
+                    config.conformant        = EGL_OPENGL_ES2_BIT;
+                    config.depthSize         = depthStencilBufferFormatInfo.depthBits;
+                    config.level             = 0;
+                    config.matchNativePixmap = EGL_NONE;
+                    config.maxPBufferWidth   = rendererCaps.max2DTextureSize;
+                    config.maxPBufferHeight  = rendererCaps.max2DTextureSize;
+                    config.maxPBufferPixels =
+                        rendererCaps.max2DTextureSize * rendererCaps.max2DTextureSize;
+                    config.maxSwapInterval  = maxSwapInterval;
+                    config.minSwapInterval  = minSwapInterval;
+                    config.nativeRenderable = EGL_FALSE;
+                    config.nativeVisualID   = 0;
+                    config.nativeVisualType = EGL_NONE;
+                    config.renderableType   = EGL_OPENGL_ES2_BIT;
+                    config.sampleBuffers    = 0;  // FIXME: enumerate multi-sampling
+                    config.samples          = 0;
+                    config.stencilSize      = depthStencilBufferFormatInfo.stencilBits;
+                    config.surfaceType =
+                        EGL_PBUFFER_BIT | EGL_WINDOW_BIT | EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
+                    config.transparentType       = EGL_NONE;
+                    config.transparentRedValue   = 0;
+                    config.transparentGreenValue = 0;
+                    config.transparentBlueValue  = 0;
+                    config.colorComponentType    = gl_egl::GLComponentTypeToEGLColorComponentType(
+                           colorBufferFormatInfo.componentType);
+
+                    configs.add(config);
+                }
+            }
+        }
+    }
+
+    ASSERT(configs.size() > 0);
+    return configs;
+}
+
+void Renderer9::generateDisplayExtensions(egl::DisplayExtensions *outExtensions) const
+{
+    outExtensions->createContextRobustness = true;
+
+    if (getShareHandleSupport())
+    {
+        outExtensions->d3dShareHandleClientBuffer     = true;
+        outExtensions->surfaceD3DTexture2DShareHandle = true;
+    }
+    outExtensions->d3dTextureClientBuffer = true;
+
+    outExtensions->querySurfacePointer = true;
+    outExtensions->windowFixedSize     = true;
+    outExtensions->postSubBuffer       = true;
+
+    outExtensions->image               = true;
+    outExtensions->imageBase           = true;
+    outExtensions->glTexture2DImage    = true;
+    outExtensions->glRenderbufferImage = true;
+
+    outExtensions->noConfigContext = true;
+
+    // Contexts are virtualized so textures and semaphores can be shared globally
+    outExtensions->displayTextureShareGroup   = true;
+    outExtensions->displaySemaphoreShareGroup = true;
+
+    // D3D9 can be used without an output surface
+    outExtensions->surfacelessContext = true;
+
+    outExtensions->robustResourceInitializationANGLE = true;
+}
+
+void Renderer9::startScene()
+{
+    if (!mSceneStarted)
+    {
+        long result = mDevice->BeginScene();
+        if (SUCCEEDED(result))
+        {
+            // This is defensive checking against the device being
+            // lost at unexpected times.
+            mSceneStarted = true;
+        }
+    }
+}
+
+void Renderer9::endScene()
+{
+    if (mSceneStarted)
+    {
+        // EndScene can fail if the device was lost, for example due
+        // to a TDR during a draw call.
+        mDevice->EndScene();
+        mSceneStarted = false;
+    }
+}
+
+angle::Result Renderer9::flush(const gl::Context *context)
+{
+    IDirect3DQuery9 *query = nullptr;
+    ANGLE_TRY(allocateEventQuery(context, &query));
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    HRESULT result = query->Issue(D3DISSUE_END);
+    ANGLE_TRY_HR(context9, result, "Failed to issue event query");
+
+    // Grab the query data once
+    result = query->GetData(nullptr, 0, D3DGETDATA_FLUSH);
+    freeEventQuery(query);
+    ANGLE_TRY_HR(context9, result, "Failed to get event query data");
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::finish(const gl::Context *context)
+{
+    IDirect3DQuery9 *query = nullptr;
+    ANGLE_TRY(allocateEventQuery(context, &query));
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    HRESULT result = query->Issue(D3DISSUE_END);
+    ANGLE_TRY_HR(context9, result, "Failed to issue event query");
+
+    // Grab the query data once
+    result = query->GetData(nullptr, 0, D3DGETDATA_FLUSH);
+    if (FAILED(result))
+    {
+        freeEventQuery(query);
+    }
+    ANGLE_TRY_HR(context9, result, "Failed to get event query data");
+
+    // Loop until the query completes
+    unsigned int attempt = 0;
+    while (result == S_FALSE)
+    {
+        // Keep polling, but allow other threads to do something useful first
+        ScheduleYield();
+
+        result = query->GetData(nullptr, 0, D3DGETDATA_FLUSH);
+        attempt++;
+
+        if (result == S_FALSE)
+        {
+            // explicitly check for device loss
+            // some drivers seem to return S_FALSE even if the device is lost
+            // instead of D3DERR_DEVICELOST like they should
+            bool checkDeviceLost = (attempt % kPollingD3DDeviceLostCheckFrequency) == 0;
+            if (checkDeviceLost && testDeviceLost())
+            {
+                result = D3DERR_DEVICELOST;
+            }
+        }
+
+        if (FAILED(result))
+        {
+            freeEventQuery(query);
+        }
+        ANGLE_TRY_HR(context9, result, "Failed to get event query data");
+    }
+
+    freeEventQuery(query);
+
+    return angle::Result::Continue;
+}
+
+bool Renderer9::isValidNativeWindow(EGLNativeWindowType window) const
+{
+    return NativeWindow9::IsValidNativeWindow(window);
+}
+
+NativeWindowD3D *Renderer9::createNativeWindow(EGLNativeWindowType window,
+                                               const egl::Config *,
+                                               const egl::AttributeMap &) const
+{
+    return new NativeWindow9(window);
+}
+
+SwapChainD3D *Renderer9::createSwapChain(NativeWindowD3D *nativeWindow,
+                                         HANDLE shareHandle,
+                                         IUnknown *d3dTexture,
+                                         GLenum backBufferFormat,
+                                         GLenum depthBufferFormat,
+                                         EGLint orientation,
+                                         EGLint samples)
+{
+    return new SwapChain9(this, GetAs<NativeWindow9>(nativeWindow), shareHandle, d3dTexture,
+                          backBufferFormat, depthBufferFormat, orientation);
+}
+
+egl::Error Renderer9::getD3DTextureInfo(const egl::Config *configuration,
+                                        IUnknown *d3dTexture,
+                                        const egl::AttributeMap &attribs,
+                                        EGLint *width,
+                                        EGLint *height,
+                                        GLsizei *samples,
+                                        gl::Format *glFormat,
+                                        const angle::Format **angleFormat,
+                                        UINT *arraySlice) const
+{
+    IDirect3DTexture9 *texture = nullptr;
+    if (FAILED(d3dTexture->QueryInterface(&texture)))
+    {
+        return egl::EglBadParameter() << "Client buffer is not a IDirect3DTexture9";
+    }
+
+    IDirect3DDevice9 *textureDevice = nullptr;
+    texture->GetDevice(&textureDevice);
+    if (textureDevice != mDevice)
+    {
+        SafeRelease(texture);
+        return egl::EglBadParameter() << "Texture's device does not match.";
+    }
+    SafeRelease(textureDevice);
+
+    D3DSURFACE_DESC desc;
+    texture->GetLevelDesc(0, &desc);
+    SafeRelease(texture);
+
+    if (width)
+    {
+        *width = static_cast<EGLint>(desc.Width);
+    }
+    if (height)
+    {
+        *height = static_cast<EGLint>(desc.Height);
+    }
+
+    // GetSamplesCount() returns 0 when multisampling isn't used.
+    GLsizei sampleCount = d3d9_gl::GetSamplesCount(desc.MultiSampleType);
+    if ((configuration && configuration->samples > 1) || sampleCount != 0)
+    {
+        return egl::EglBadParameter() << "Multisampling not supported for client buffer texture";
+    }
+    if (samples)
+    {
+        *samples = static_cast<EGLint>(sampleCount);
+    }
+
+    // From table egl.restrictions in EGL_ANGLE_d3d_texture_client_buffer.
+    switch (desc.Format)
+    {
+        case D3DFMT_R8G8B8:
+        case D3DFMT_A8R8G8B8:
+        case D3DFMT_A16B16G16R16F:
+        case D3DFMT_A32B32G32R32F:
+            break;
+
+        default:
+            return egl::EglBadParameter()
+                   << "Unknown client buffer texture format: " << desc.Format;
+    }
+
+    const auto &d3dFormatInfo = d3d9::GetD3DFormatInfo(desc.Format);
+    ASSERT(d3dFormatInfo.info().id != angle::FormatID::NONE);
+
+    if (glFormat)
+    {
+        *glFormat = gl::Format(d3dFormatInfo.info().glInternalFormat);
+    }
+
+    if (angleFormat)
+    {
+
+        *angleFormat = &d3dFormatInfo.info();
+    }
+
+    if (arraySlice)
+    {
+        *arraySlice = 0;
+    }
+
+    return egl::NoError();
+}
+
+egl::Error Renderer9::validateShareHandle(const egl::Config *config,
+                                          HANDLE shareHandle,
+                                          const egl::AttributeMap &attribs) const
+{
+    if (shareHandle == nullptr)
+    {
+        return egl::EglBadParameter() << "NULL share handle.";
+    }
+
+    EGLint width  = attribs.getAsInt(EGL_WIDTH, 0);
+    EGLint height = attribs.getAsInt(EGL_HEIGHT, 0);
+    ASSERT(width != 0 && height != 0);
+
+    const d3d9::TextureFormat &backBufferd3dFormatInfo =
+        d3d9::GetTextureFormatInfo(config->renderTargetFormat);
+
+    IDirect3DTexture9 *texture = nullptr;
+    HRESULT result             = mDevice->CreateTexture(width, height, 1, D3DUSAGE_RENDERTARGET,
+                                                        backBufferd3dFormatInfo.texFormat, D3DPOOL_DEFAULT,
+                                                        &texture, &shareHandle);
+    if (FAILED(result))
+    {
+        return egl::EglBadParameter() << "Failed to open share handle, " << gl::FmtHR(result);
+    }
+
+    DWORD levelCount = texture->GetLevelCount();
+
+    D3DSURFACE_DESC desc;
+    texture->GetLevelDesc(0, &desc);
+    SafeRelease(texture);
+
+    if (levelCount != 1 || desc.Width != static_cast<UINT>(width) ||
+        desc.Height != static_cast<UINT>(height) ||
+        desc.Format != backBufferd3dFormatInfo.texFormat)
+    {
+        return egl::EglBadParameter() << "Invalid texture parameters in share handle texture.";
+    }
+
+    return egl::NoError();
+}
+
+ContextImpl *Renderer9::createContext(const gl::State &state, gl::ErrorSet *errorSet)
+{
+    return new Context9(state, errorSet, this);
+}
+
+void *Renderer9::getD3DDevice()
+{
+    return mDevice;
+}
+
+angle::Result Renderer9::allocateEventQuery(const gl::Context *context, IDirect3DQuery9 **outQuery)
+{
+    if (mEventQueryPool.empty())
+    {
+        HRESULT result = mDevice->CreateQuery(D3DQUERYTYPE_EVENT, outQuery);
+        ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to allocate event query");
+    }
+    else
+    {
+        *outQuery = mEventQueryPool.back();
+        mEventQueryPool.pop_back();
+    }
+
+    return angle::Result::Continue;
+}
+
+void Renderer9::freeEventQuery(IDirect3DQuery9 *query)
+{
+    if (mEventQueryPool.size() > 1000)
+    {
+        SafeRelease(query);
+    }
+    else
+    {
+        mEventQueryPool.push_back(query);
+    }
+}
+
+angle::Result Renderer9::createVertexShader(d3d::Context *context,
+                                            const DWORD *function,
+                                            size_t length,
+                                            IDirect3DVertexShader9 **outShader)
+{
+    return mVertexShaderCache.create(context, function, length, outShader);
+}
+
+angle::Result Renderer9::createPixelShader(d3d::Context *context,
+                                           const DWORD *function,
+                                           size_t length,
+                                           IDirect3DPixelShader9 **outShader)
+{
+    return mPixelShaderCache.create(context, function, length, outShader);
+}
+
+HRESULT Renderer9::createVertexBuffer(UINT Length,
+                                      DWORD Usage,
+                                      IDirect3DVertexBuffer9 **ppVertexBuffer)
+{
+    // Force buffers to be limited to a fixed max size.
+    if (Length > kMaximumBufferSizeHardLimit)
+    {
+        return E_OUTOFMEMORY;
+    }
+
+    D3DPOOL Pool = getBufferPool(Usage);
+    return mDevice->CreateVertexBuffer(Length, Usage, 0, Pool, ppVertexBuffer, nullptr);
+}
+
+VertexBuffer *Renderer9::createVertexBuffer()
+{
+    return new VertexBuffer9(this);
+}
+
+HRESULT Renderer9::createIndexBuffer(UINT Length,
+                                     DWORD Usage,
+                                     D3DFORMAT Format,
+                                     IDirect3DIndexBuffer9 **ppIndexBuffer)
+{
+    // Force buffers to be limited to a fixed max size.
+    if (Length > kMaximumBufferSizeHardLimit)
+    {
+        return E_OUTOFMEMORY;
+    }
+
+    D3DPOOL Pool = getBufferPool(Usage);
+    return mDevice->CreateIndexBuffer(Length, Usage, Format, Pool, ppIndexBuffer, nullptr);
+}
+
+IndexBuffer *Renderer9::createIndexBuffer()
+{
+    return new IndexBuffer9(this);
+}
+
+StreamProducerImpl *Renderer9::createStreamProducerD3DTexture(
+    egl::Stream::ConsumerType consumerType,
+    const egl::AttributeMap &attribs)
+{
+    // Streams are not supported under D3D9
+    UNREACHABLE();
+    return nullptr;
+}
+
+bool Renderer9::supportsFastCopyBufferToTexture(GLenum internalFormat) const
+{
+    // Pixel buffer objects are not supported in D3D9, since D3D9 is ES2-only and PBOs are ES3.
+    return false;
+}
+
+angle::Result Renderer9::fastCopyBufferToTexture(const gl::Context *context,
+                                                 const gl::PixelUnpackState &unpack,
+                                                 gl::Buffer *unpackBuffer,
+                                                 unsigned int offset,
+                                                 RenderTargetD3D *destRenderTarget,
+                                                 GLenum destinationFormat,
+                                                 GLenum sourcePixelsType,
+                                                 const gl::Box &destArea)
+{
+    // Pixel buffer objects are not supported in D3D9, since D3D9 is ES2-only and PBOs are ES3.
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Renderer9::setSamplerState(const gl::Context *context,
+                                         gl::ShaderType type,
+                                         int index,
+                                         gl::Texture *texture,
+                                         const gl::SamplerState &samplerState)
+{
+    CurSamplerState &appliedSampler = (type == gl::ShaderType::Fragment)
+                                          ? mCurPixelSamplerStates[index]
+                                          : mCurVertexSamplerStates[index];
+
+    // Make sure to add the level offset for our tiny compressed texture workaround
+    TextureD3D *textureD3D = GetImplAs<TextureD3D>(texture);
+
+    TextureStorage *storage = nullptr;
+    ANGLE_TRY(textureD3D->getNativeTexture(context, &storage));
+
+    // Storage should exist, texture should be complete
+    ASSERT(storage);
+
+    DWORD baseLevel = texture->getBaseLevel() + storage->getTopLevel();
+
+    if (appliedSampler.forceSet || appliedSampler.baseLevel != baseLevel ||
+        memcmp(&samplerState, &appliedSampler, sizeof(gl::SamplerState)) != 0)
+    {
+        int d3dSamplerOffset = (type == gl::ShaderType::Fragment) ? 0 : D3DVERTEXTEXTURESAMPLER0;
+        int d3dSampler       = index + d3dSamplerOffset;
+
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_ADDRESSU,
+                                 gl_d3d9::ConvertTextureWrap(samplerState.getWrapS()));
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_ADDRESSV,
+                                 gl_d3d9::ConvertTextureWrap(samplerState.getWrapT()));
+
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_MAGFILTER,
+                                 gl_d3d9::ConvertMagFilter(samplerState.getMagFilter(),
+                                                           samplerState.getMaxAnisotropy()));
+
+        D3DTEXTUREFILTERTYPE d3dMinFilter, d3dMipFilter;
+        float lodBias;
+        gl_d3d9::ConvertMinFilter(samplerState.getMinFilter(), &d3dMinFilter, &d3dMipFilter,
+                                  &lodBias, samplerState.getMaxAnisotropy(), baseLevel);
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_MINFILTER, d3dMinFilter);
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_MIPFILTER, d3dMipFilter);
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_MAXMIPLEVEL, baseLevel);
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_MIPMAPLODBIAS, static_cast<DWORD>(lodBias));
+        if (getNativeExtensions().textureFilterAnisotropicEXT)
+        {
+            DWORD maxAnisotropy = std::min(mDeviceCaps.MaxAnisotropy,
+                                           static_cast<DWORD>(samplerState.getMaxAnisotropy()));
+            mDevice->SetSamplerState(d3dSampler, D3DSAMP_MAXANISOTROPY, maxAnisotropy);
+        }
+
+        const bool isSrgb = gl::GetSizedInternalFormatInfo(textureD3D->getBaseLevelInternalFormat())
+                                .colorEncoding == GL_SRGB;
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_SRGBTEXTURE, isSrgb);
+
+        ASSERT(texture->getBorderColor().type == angle::ColorGeneric::Type::Float);
+        mDevice->SetSamplerState(d3dSampler, D3DSAMP_BORDERCOLOR,
+                                 gl_d3d9::ConvertColor(texture->getBorderColor().colorF));
+    }
+
+    appliedSampler.forceSet     = false;
+    appliedSampler.samplerState = samplerState;
+    appliedSampler.baseLevel    = baseLevel;
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::setTexture(const gl::Context *context,
+                                    gl::ShaderType type,
+                                    int index,
+                                    gl::Texture *texture)
+{
+    int d3dSamplerOffset = (type == gl::ShaderType::Fragment) ? 0 : D3DVERTEXTEXTURESAMPLER0;
+    int d3dSampler       = index + d3dSamplerOffset;
+    IDirect3DBaseTexture9 *d3dTexture = nullptr;
+    bool forceSetTexture              = false;
+
+    std::vector<uintptr_t> &appliedTextures =
+        (type == gl::ShaderType::Fragment) ? mCurPixelTextures : mCurVertexTextures;
+
+    if (texture)
+    {
+        TextureD3D *textureImpl = GetImplAs<TextureD3D>(texture);
+
+        TextureStorage *texStorage = nullptr;
+        ANGLE_TRY(textureImpl->getNativeTexture(context, &texStorage));
+
+        // Texture should be complete and have a storage
+        ASSERT(texStorage);
+
+        TextureStorage9 *storage9 = GetAs<TextureStorage9>(texStorage);
+        ANGLE_TRY(storage9->getBaseTexture(context, &d3dTexture));
+
+        // If we get NULL back from getBaseTexture here, something went wrong
+        // in the texture class and we're unexpectedly missing the d3d texture
+        ASSERT(d3dTexture != nullptr);
+
+        forceSetTexture = textureImpl->hasDirtyImages();
+        textureImpl->resetDirty();
+    }
+
+    if (forceSetTexture || appliedTextures[index] != reinterpret_cast<uintptr_t>(d3dTexture))
+    {
+        mDevice->SetTexture(d3dSampler, d3dTexture);
+    }
+
+    appliedTextures[index] = reinterpret_cast<uintptr_t>(d3dTexture);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::updateState(const gl::Context *context, gl::PrimitiveMode drawMode)
+{
+    const auto &glState = context->getState();
+
+    // Applies the render target surface, depth stencil surface, viewport rectangle and
+    // scissor rectangle to the renderer
+    gl::Framebuffer *framebuffer = glState.getDrawFramebuffer();
+    ASSERT(framebuffer && !framebuffer->hasAnyDirtyBit());
+
+    Framebuffer9 *framebuffer9 = GetImplAs<Framebuffer9>(framebuffer);
+
+    ANGLE_TRY(applyRenderTarget(context, framebuffer9->getCachedColorRenderTargets()[0],
+                                framebuffer9->getCachedDepthStencilRenderTarget()));
+
+    // Setting viewport state
+    setViewport(glState.getViewport(), glState.getNearPlane(), glState.getFarPlane(), drawMode,
+                glState.getRasterizerState().frontFace, false);
+
+    // Setting scissors state
+    setScissorRectangle(glState.getScissor(), glState.isScissorTestEnabled());
+
+    // Setting blend, depth stencil, and rasterizer states
+    // Since framebuffer->getSamples will return the original samples which may be different with
+    // the sample counts that we set in render target view, here we use renderTarget->getSamples to
+    // get the actual samples.
+    GLsizei samples                                       = 0;
+    const gl::FramebufferAttachment *firstColorAttachment = framebuffer->getFirstColorAttachment();
+    if (firstColorAttachment)
+    {
+        ASSERT(firstColorAttachment->isAttached());
+        RenderTarget9 *renderTarget = nullptr;
+        ANGLE_TRY(firstColorAttachment->getRenderTarget(context, firstColorAttachment->getSamples(),
+                                                        &renderTarget));
+        samples = renderTarget->getSamples();
+
+        mDevice->SetRenderState(D3DRS_SRGBWRITEENABLE,
+                                renderTarget->getInternalFormat() == GL_SRGB8_ALPHA8);
+    }
+    gl::RasterizerState rasterizer = glState.getRasterizerState();
+    rasterizer.pointDrawMode       = (drawMode == gl::PrimitiveMode::Points);
+    rasterizer.multiSample         = (samples != 0);
+
+    ANGLE_TRY(setBlendDepthRasterStates(context, drawMode));
+
+    mStateManager.resetDirtyBits();
+
+    return angle::Result::Continue;
+}
+
+void Renderer9::setScissorRectangle(const gl::Rectangle &scissor, bool enabled)
+{
+    mStateManager.setScissorState(scissor, enabled);
+}
+
+angle::Result Renderer9::setBlendDepthRasterStates(const gl::Context *context,
+                                                   gl::PrimitiveMode drawMode)
+{
+    const auto &glState              = context->getState();
+    gl::Framebuffer *drawFramebuffer = glState.getDrawFramebuffer();
+    ASSERT(!drawFramebuffer->hasAnyDirtyBit());
+    // Since framebuffer->getSamples will return the original samples which may be different with
+    // the sample counts that we set in render target view, here we use renderTarget->getSamples to
+    // get the actual samples.
+    GLsizei samples = 0;
+    const gl::FramebufferAttachment *firstColorAttachment =
+        drawFramebuffer->getFirstColorAttachment();
+    if (firstColorAttachment)
+    {
+        ASSERT(firstColorAttachment->isAttached());
+        RenderTarget9 *renderTarget = nullptr;
+        ANGLE_TRY(firstColorAttachment->getRenderTarget(context, firstColorAttachment->getSamples(),
+                                                        &renderTarget));
+        samples = renderTarget->getSamples();
+    }
+    gl::RasterizerState rasterizer = glState.getRasterizerState();
+    rasterizer.pointDrawMode       = (drawMode == gl::PrimitiveMode::Points);
+    rasterizer.multiSample         = (samples != 0);
+
+    unsigned int mask = GetBlendSampleMask(glState, samples);
+    mStateManager.setBlendDepthRasterStates(glState, mask);
+    return angle::Result::Continue;
+}
+
+void Renderer9::setViewport(const gl::Rectangle &viewport,
+                            float zNear,
+                            float zFar,
+                            gl::PrimitiveMode drawMode,
+                            GLenum frontFace,
+                            bool ignoreViewport)
+{
+    mStateManager.setViewportState(viewport, zNear, zFar, drawMode, frontFace, ignoreViewport);
+}
+
+bool Renderer9::applyPrimitiveType(gl::PrimitiveMode mode, GLsizei count, bool usesPointSize)
+{
+    switch (mode)
+    {
+        case gl::PrimitiveMode::Points:
+            mPrimitiveType  = D3DPT_POINTLIST;
+            mPrimitiveCount = count;
+            break;
+        case gl::PrimitiveMode::Lines:
+            mPrimitiveType  = D3DPT_LINELIST;
+            mPrimitiveCount = count / 2;
+            break;
+        case gl::PrimitiveMode::LineLoop:
+            mPrimitiveType = D3DPT_LINESTRIP;
+            mPrimitiveCount =
+                count - 1;  // D3D doesn't support line loops, so we draw the last line separately
+            break;
+        case gl::PrimitiveMode::LineStrip:
+            mPrimitiveType  = D3DPT_LINESTRIP;
+            mPrimitiveCount = count - 1;
+            break;
+        case gl::PrimitiveMode::Triangles:
+            mPrimitiveType  = D3DPT_TRIANGLELIST;
+            mPrimitiveCount = count / 3;
+            break;
+        case gl::PrimitiveMode::TriangleStrip:
+            mPrimitiveType  = D3DPT_TRIANGLESTRIP;
+            mPrimitiveCount = count - 2;
+            break;
+        case gl::PrimitiveMode::TriangleFan:
+            mPrimitiveType  = D3DPT_TRIANGLEFAN;
+            mPrimitiveCount = count - 2;
+            break;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+
+    return mPrimitiveCount > 0;
+}
+
+angle::Result Renderer9::getNullColorRenderTarget(const gl::Context *context,
+                                                  const RenderTarget9 *depthRenderTarget,
+                                                  const RenderTarget9 **outColorRenderTarget)
+{
+    ASSERT(depthRenderTarget);
+
+    const gl::Extents &size = depthRenderTarget->getExtents();
+
+    // search cached nullcolorbuffers
+    for (int i = 0; i < NUM_NULL_COLORBUFFER_CACHE_ENTRIES; i++)
+    {
+        if (mNullRenderTargetCache[i].renderTarget != nullptr &&
+            mNullRenderTargetCache[i].width == size.width &&
+            mNullRenderTargetCache[i].height == size.height)
+        {
+            mNullRenderTargetCache[i].lruCount = ++mMaxNullColorbufferLRU;
+            *outColorRenderTarget              = mNullRenderTargetCache[i].renderTarget;
+            return angle::Result::Continue;
+        }
+    }
+
+    RenderTargetD3D *nullRenderTarget = nullptr;
+    ANGLE_TRY(createRenderTarget(context, size.width, size.height, GL_NONE, 0, &nullRenderTarget));
+
+    // add nullbuffer to the cache
+    NullRenderTargetCacheEntry *oldest = &mNullRenderTargetCache[0];
+    for (int i = 1; i < NUM_NULL_COLORBUFFER_CACHE_ENTRIES; i++)
+    {
+        if (mNullRenderTargetCache[i].lruCount < oldest->lruCount)
+        {
+            oldest = &mNullRenderTargetCache[i];
+        }
+    }
+
+    SafeDelete(oldest->renderTarget);
+    oldest->renderTarget = GetAs<RenderTarget9>(nullRenderTarget);
+    oldest->lruCount     = ++mMaxNullColorbufferLRU;
+    oldest->width        = size.width;
+    oldest->height       = size.height;
+
+    *outColorRenderTarget = oldest->renderTarget;
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::applyRenderTarget(const gl::Context *context,
+                                           const RenderTarget9 *colorRenderTargetIn,
+                                           const RenderTarget9 *depthStencilRenderTarget)
+{
+    // if there is no color attachment we must synthesize a NULL colorattachment
+    // to keep the D3D runtime happy.  This should only be possible if depth texturing.
+    const RenderTarget9 *colorRenderTarget = colorRenderTargetIn;
+    if (colorRenderTarget == nullptr)
+    {
+        ANGLE_TRY(getNullColorRenderTarget(context, depthStencilRenderTarget, &colorRenderTarget));
+    }
+    ASSERT(colorRenderTarget != nullptr);
+
+    size_t renderTargetWidth  = 0;
+    size_t renderTargetHeight = 0;
+
+    bool renderTargetChanged        = false;
+    unsigned int renderTargetSerial = colorRenderTarget->getSerial();
+    if (renderTargetSerial != mAppliedRenderTargetSerial)
+    {
+        // Apply the render target on the device
+        IDirect3DSurface9 *renderTargetSurface = colorRenderTarget->getSurface();
+        ASSERT(renderTargetSurface);
+
+        mDevice->SetRenderTarget(0, renderTargetSurface);
+        SafeRelease(renderTargetSurface);
+
+        renderTargetWidth  = colorRenderTarget->getWidth();
+        renderTargetHeight = colorRenderTarget->getHeight();
+
+        mAppliedRenderTargetSerial = renderTargetSerial;
+        renderTargetChanged        = true;
+    }
+
+    unsigned int depthStencilSerial = 0;
+    if (depthStencilRenderTarget != nullptr)
+    {
+        depthStencilSerial = depthStencilRenderTarget->getSerial();
+    }
+
+    if (depthStencilSerial != mAppliedDepthStencilSerial || !mDepthStencilInitialized)
+    {
+        unsigned int depthSize   = 0;
+        unsigned int stencilSize = 0;
+
+        // Apply the depth stencil on the device
+        if (depthStencilRenderTarget)
+        {
+            IDirect3DSurface9 *depthStencilSurface = depthStencilRenderTarget->getSurface();
+            ASSERT(depthStencilSurface);
+
+            mDevice->SetDepthStencilSurface(depthStencilSurface);
+            SafeRelease(depthStencilSurface);
+
+            const gl::InternalFormat &format =
+                gl::GetSizedInternalFormatInfo(depthStencilRenderTarget->getInternalFormat());
+
+            depthSize   = format.depthBits;
+            stencilSize = format.stencilBits;
+        }
+        else
+        {
+            mDevice->SetDepthStencilSurface(nullptr);
+        }
+
+        mStateManager.updateDepthSizeIfChanged(mDepthStencilInitialized, depthSize);
+        mStateManager.updateStencilSizeIfChanged(mDepthStencilInitialized, stencilSize);
+
+        mAppliedDepthStencilSerial = depthStencilSerial;
+        mDepthStencilInitialized   = true;
+    }
+
+    if (renderTargetChanged || !mRenderTargetDescInitialized)
+    {
+        mStateManager.forceSetBlendState();
+        mStateManager.forceSetScissorState();
+        mStateManager.setRenderTargetBounds(renderTargetWidth, renderTargetHeight);
+        mRenderTargetDescInitialized = true;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::applyVertexBuffer(const gl::Context *context,
+                                           gl::PrimitiveMode mode,
+                                           GLint first,
+                                           GLsizei count,
+                                           GLsizei instances,
+                                           TranslatedIndexData * /*indexInfo*/)
+{
+    const gl::State &state = context->getState();
+    ANGLE_TRY(mVertexDataManager->prepareVertexData(context, first, count, &mTranslatedAttribCache,
+                                                    instances));
+
+    return mVertexDeclarationCache.applyDeclaration(context, mDevice, mTranslatedAttribCache,
+                                                    state.getProgram(), first, instances,
+                                                    &mRepeatDraw);
+}
+
+// Applies the indices and element array bindings to the Direct3D 9 device
+angle::Result Renderer9::applyIndexBuffer(const gl::Context *context,
+                                          const void *indices,
+                                          GLsizei count,
+                                          gl::PrimitiveMode mode,
+                                          gl::DrawElementsType type,
+                                          TranslatedIndexData *indexInfo)
+{
+    gl::VertexArray *vao           = context->getState().getVertexArray();
+    gl::Buffer *elementArrayBuffer = vao->getElementArrayBuffer();
+
+    gl::DrawElementsType dstType = gl::DrawElementsType::InvalidEnum;
+    ANGLE_TRY(GetIndexTranslationDestType(context, count, type, indices, false, &dstType));
+
+    ANGLE_TRY(mIndexDataManager->prepareIndexData(context, type, dstType, count, elementArrayBuffer,
+                                                  indices, indexInfo));
+
+    // Directly binding the storage buffer is not supported for d3d9
+    ASSERT(indexInfo->storage == nullptr);
+
+    if (indexInfo->serial != mAppliedIBSerial)
+    {
+        IndexBuffer9 *indexBuffer = GetAs<IndexBuffer9>(indexInfo->indexBuffer);
+
+        mDevice->SetIndices(indexBuffer->getBuffer());
+        mAppliedIBSerial = indexInfo->serial;
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::drawArraysImpl(const gl::Context *context,
+                                        gl::PrimitiveMode mode,
+                                        GLint startVertex,
+                                        GLsizei count,
+                                        GLsizei instances)
+{
+    ASSERT(!context->getState().isTransformFeedbackActiveUnpaused());
+
+    startScene();
+
+    if (mode == gl::PrimitiveMode::LineLoop)
+    {
+        return drawLineLoop(context, count, gl::DrawElementsType::InvalidEnum, nullptr, 0, nullptr);
+    }
+
+    if (instances > 0)
+    {
+        StaticIndexBufferInterface *countingIB = nullptr;
+        ANGLE_TRY(getCountingIB(context, count, &countingIB));
+
+        if (mAppliedIBSerial != countingIB->getSerial())
+        {
+            IndexBuffer9 *indexBuffer = GetAs<IndexBuffer9>(countingIB->getIndexBuffer());
+
+            mDevice->SetIndices(indexBuffer->getBuffer());
+            mAppliedIBSerial = countingIB->getSerial();
+        }
+
+        for (int i = 0; i < mRepeatDraw; i++)
+        {
+            mDevice->DrawIndexedPrimitive(mPrimitiveType, 0, 0, count, 0, mPrimitiveCount);
+        }
+
+        return angle::Result::Continue;
+    }
+
+    // Regular case
+    mDevice->DrawPrimitive(mPrimitiveType, 0, mPrimitiveCount);
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::drawElementsImpl(const gl::Context *context,
+                                          gl::PrimitiveMode mode,
+                                          GLsizei count,
+                                          gl::DrawElementsType type,
+                                          const void *indices,
+                                          GLsizei instances)
+{
+    TranslatedIndexData indexInfo;
+
+    ANGLE_TRY(applyIndexBuffer(context, indices, count, mode, type, &indexInfo));
+
+    gl::IndexRange indexRange;
+    ANGLE_TRY(context->getState().getVertexArray()->getIndexRange(context, type, count, indices,
+                                                                  &indexRange));
+
+    size_t vertexCount = indexRange.vertexCount();
+    ANGLE_TRY(applyVertexBuffer(context, mode, static_cast<GLsizei>(indexRange.start),
+                                static_cast<GLsizei>(vertexCount), instances, &indexInfo));
+
+    startScene();
+
+    int minIndex = static_cast<int>(indexRange.start);
+
+    gl::VertexArray *vao           = context->getState().getVertexArray();
+    gl::Buffer *elementArrayBuffer = vao->getElementArrayBuffer();
+
+    if (mode == gl::PrimitiveMode::Points)
+    {
+        return drawIndexedPoints(context, count, type, indices, minIndex, elementArrayBuffer);
+    }
+
+    if (mode == gl::PrimitiveMode::LineLoop)
+    {
+        return drawLineLoop(context, count, type, indices, minIndex, elementArrayBuffer);
+    }
+
+    for (int i = 0; i < mRepeatDraw; i++)
+    {
+        mDevice->DrawIndexedPrimitive(mPrimitiveType, -minIndex, minIndex,
+                                      static_cast<UINT>(vertexCount), indexInfo.startIndex,
+                                      mPrimitiveCount);
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::drawLineLoop(const gl::Context *context,
+                                      GLsizei count,
+                                      gl::DrawElementsType type,
+                                      const void *indices,
+                                      int minIndex,
+                                      gl::Buffer *elementArrayBuffer)
+{
+    // Get the raw indices for an indexed draw
+    if (type != gl::DrawElementsType::InvalidEnum && elementArrayBuffer)
+    {
+        BufferD3D *storage        = GetImplAs<BufferD3D>(elementArrayBuffer);
+        intptr_t offset           = reinterpret_cast<intptr_t>(indices);
+        const uint8_t *bufferData = nullptr;
+        ANGLE_TRY(storage->getData(context, &bufferData));
+        indices = bufferData + offset;
+    }
+
+    unsigned int startIndex = 0;
+    Context9 *context9      = GetImplAs<Context9>(context);
+
+    if (getNativeExtensions().elementIndexUintOES)
+    {
+        if (!mLineLoopIB)
+        {
+            mLineLoopIB = new StreamingIndexBufferInterface(this);
+            ANGLE_TRY(mLineLoopIB->reserveBufferSpace(context, INITIAL_INDEX_BUFFER_SIZE,
+                                                      gl::DrawElementsType::UnsignedInt));
+        }
+
+        // Checked by Renderer9::applyPrimitiveType
+        ASSERT(count >= 0);
+
+        ANGLE_CHECK(context9,
+                    static_cast<unsigned int>(count) + 1 <=
+                        (std::numeric_limits<unsigned int>::max() / sizeof(unsigned int)),
+                    "Failed to create a 32-bit looping index buffer for "
+                    "GL_LINE_LOOP, too many indices required.",
+                    GL_OUT_OF_MEMORY);
+
+        const unsigned int spaceNeeded =
+            (static_cast<unsigned int>(count) + 1) * sizeof(unsigned int);
+        ANGLE_TRY(mLineLoopIB->reserveBufferSpace(context, spaceNeeded,
+                                                  gl::DrawElementsType::UnsignedInt));
+
+        void *mappedMemory  = nullptr;
+        unsigned int offset = 0;
+        ANGLE_TRY(mLineLoopIB->mapBuffer(context, spaceNeeded, &mappedMemory, &offset));
+
+        startIndex         = static_cast<unsigned int>(offset) / 4;
+        unsigned int *data = static_cast<unsigned int *>(mappedMemory);
+
+        switch (type)
+        {
+            case gl::DrawElementsType::InvalidEnum:  // Non-indexed draw
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = i;
+                }
+                data[count] = 0;
+                break;
+            case gl::DrawElementsType::UnsignedByte:
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = static_cast<const GLubyte *>(indices)[i];
+                }
+                data[count] = static_cast<const GLubyte *>(indices)[0];
+                break;
+            case gl::DrawElementsType::UnsignedShort:
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = static_cast<const GLushort *>(indices)[i];
+                }
+                data[count] = static_cast<const GLushort *>(indices)[0];
+                break;
+            case gl::DrawElementsType::UnsignedInt:
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = static_cast<const GLuint *>(indices)[i];
+                }
+                data[count] = static_cast<const GLuint *>(indices)[0];
+                break;
+            default:
+                UNREACHABLE();
+        }
+
+        ANGLE_TRY(mLineLoopIB->unmapBuffer(context));
+    }
+    else
+    {
+        if (!mLineLoopIB)
+        {
+            mLineLoopIB = new StreamingIndexBufferInterface(this);
+            ANGLE_TRY(mLineLoopIB->reserveBufferSpace(context, INITIAL_INDEX_BUFFER_SIZE,
+                                                      gl::DrawElementsType::UnsignedShort));
+        }
+
+        // Checked by Renderer9::applyPrimitiveType
+        ASSERT(count >= 0);
+
+        ANGLE_CHECK(context9,
+                    static_cast<unsigned int>(count) + 1 <=
+                        (std::numeric_limits<unsigned short>::max() / sizeof(unsigned short)),
+                    "Failed to create a 16-bit looping index buffer for "
+                    "GL_LINE_LOOP, too many indices required.",
+                    GL_OUT_OF_MEMORY);
+
+        const unsigned int spaceNeeded =
+            (static_cast<unsigned int>(count) + 1) * sizeof(unsigned short);
+        ANGLE_TRY(mLineLoopIB->reserveBufferSpace(context, spaceNeeded,
+                                                  gl::DrawElementsType::UnsignedShort));
+
+        void *mappedMemory = nullptr;
+        unsigned int offset;
+        ANGLE_TRY(mLineLoopIB->mapBuffer(context, spaceNeeded, &mappedMemory, &offset));
+
+        startIndex           = static_cast<unsigned int>(offset) / 2;
+        unsigned short *data = static_cast<unsigned short *>(mappedMemory);
+
+        switch (type)
+        {
+            case gl::DrawElementsType::InvalidEnum:  // Non-indexed draw
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = static_cast<unsigned short>(i);
+                }
+                data[count] = 0;
+                break;
+            case gl::DrawElementsType::UnsignedByte:
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = static_cast<const GLubyte *>(indices)[i];
+                }
+                data[count] = static_cast<const GLubyte *>(indices)[0];
+                break;
+            case gl::DrawElementsType::UnsignedShort:
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = static_cast<const GLushort *>(indices)[i];
+                }
+                data[count] = static_cast<const GLushort *>(indices)[0];
+                break;
+            case gl::DrawElementsType::UnsignedInt:
+                for (int i = 0; i < count; i++)
+                {
+                    data[i] = static_cast<unsigned short>(static_cast<const GLuint *>(indices)[i]);
+                }
+                data[count] = static_cast<unsigned short>(static_cast<const GLuint *>(indices)[0]);
+                break;
+            default:
+                UNREACHABLE();
+        }
+
+        ANGLE_TRY(mLineLoopIB->unmapBuffer(context));
+    }
+
+    if (mAppliedIBSerial != mLineLoopIB->getSerial())
+    {
+        IndexBuffer9 *indexBuffer = GetAs<IndexBuffer9>(mLineLoopIB->getIndexBuffer());
+
+        mDevice->SetIndices(indexBuffer->getBuffer());
+        mAppliedIBSerial = mLineLoopIB->getSerial();
+    }
+
+    mDevice->DrawIndexedPrimitive(D3DPT_LINESTRIP, -minIndex, minIndex, count, startIndex, count);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::drawIndexedPoints(const gl::Context *context,
+                                           GLsizei count,
+                                           gl::DrawElementsType type,
+                                           const void *indices,
+                                           int minIndex,
+                                           gl::Buffer *elementArrayBuffer)
+{
+    // Drawing index point lists is unsupported in d3d9, fall back to a regular DrawPrimitive call
+    // for each individual point. This call is not expected to happen often.
+
+    if (elementArrayBuffer)
+    {
+        BufferD3D *storage = GetImplAs<BufferD3D>(elementArrayBuffer);
+        intptr_t offset    = reinterpret_cast<intptr_t>(indices);
+
+        const uint8_t *bufferData = nullptr;
+        ANGLE_TRY(storage->getData(context, &bufferData));
+        indices = bufferData + offset;
+    }
+
+    switch (type)
+    {
+        case gl::DrawElementsType::UnsignedByte:
+            DrawPoints<GLubyte>(mDevice, count, indices, minIndex);
+            return angle::Result::Continue;
+        case gl::DrawElementsType::UnsignedShort:
+            DrawPoints<GLushort>(mDevice, count, indices, minIndex);
+            return angle::Result::Continue;
+        case gl::DrawElementsType::UnsignedInt:
+            DrawPoints<GLuint>(mDevice, count, indices, minIndex);
+            return angle::Result::Continue;
+        default:
+            ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    }
+}
+
+angle::Result Renderer9::getCountingIB(const gl::Context *context,
+                                       size_t count,
+                                       StaticIndexBufferInterface **outIB)
+{
+    // Update the counting index buffer if it is not large enough or has not been created yet.
+    if (count <= 65536)  // 16-bit indices
+    {
+        const unsigned int spaceNeeded = static_cast<unsigned int>(count) * sizeof(unsigned short);
+
+        if (!mCountingIB || mCountingIB->getBufferSize() < spaceNeeded)
+        {
+            SafeDelete(mCountingIB);
+            mCountingIB = new StaticIndexBufferInterface(this);
+            ANGLE_TRY(mCountingIB->reserveBufferSpace(context, spaceNeeded,
+                                                      gl::DrawElementsType::UnsignedShort));
+
+            void *mappedMemory = nullptr;
+            ANGLE_TRY(mCountingIB->mapBuffer(context, spaceNeeded, &mappedMemory, nullptr));
+
+            unsigned short *data = static_cast<unsigned short *>(mappedMemory);
+            for (size_t i = 0; i < count; i++)
+            {
+                data[i] = static_cast<unsigned short>(i);
+            }
+
+            ANGLE_TRY(mCountingIB->unmapBuffer(context));
+        }
+    }
+    else if (getNativeExtensions().elementIndexUintOES)
+    {
+        const unsigned int spaceNeeded = static_cast<unsigned int>(count) * sizeof(unsigned int);
+
+        if (!mCountingIB || mCountingIB->getBufferSize() < spaceNeeded)
+        {
+            SafeDelete(mCountingIB);
+            mCountingIB = new StaticIndexBufferInterface(this);
+            ANGLE_TRY(mCountingIB->reserveBufferSpace(context, spaceNeeded,
+                                                      gl::DrawElementsType::UnsignedInt));
+
+            void *mappedMemory = nullptr;
+            ANGLE_TRY(mCountingIB->mapBuffer(context, spaceNeeded, &mappedMemory, nullptr));
+
+            unsigned int *data = static_cast<unsigned int *>(mappedMemory);
+            for (unsigned int i = 0; i < count; i++)
+            {
+                data[i] = i;
+            }
+
+            ANGLE_TRY(mCountingIB->unmapBuffer(context));
+        }
+    }
+    else
+    {
+        ANGLE_TRY_HR(GetImplAs<Context9>(context), E_OUTOFMEMORY,
+                     "Could not create a counting index buffer for glDrawArraysInstanced.");
+    }
+
+    *outIB = mCountingIB;
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::applyShaders(const gl::Context *context, gl::PrimitiveMode drawMode)
+{
+    const gl::State &state   = context->getState();
+    d3d::Context *contextD3D = GetImplAs<ContextD3D>(context);
+
+    // This method is called single-threaded.
+    ANGLE_TRY(ensureHLSLCompilerInitialized(contextD3D));
+
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(state.getProgram());
+    VertexArray9 *vao      = GetImplAs<VertexArray9>(state.getVertexArray());
+    programD3D->updateCachedInputLayout(vao->getCurrentStateSerial(), state);
+
+    ShaderExecutableD3D *vertexExe = nullptr;
+    ANGLE_TRY(programD3D->getVertexExecutableForCachedInputLayout(contextD3D, &vertexExe, nullptr));
+
+    const gl::Framebuffer *drawFramebuffer = state.getDrawFramebuffer();
+    programD3D->updateCachedOutputLayout(context, drawFramebuffer);
+
+    ShaderExecutableD3D *pixelExe = nullptr;
+    ANGLE_TRY(programD3D->getPixelExecutableForCachedOutputLayout(contextD3D, &pixelExe, nullptr));
+
+    IDirect3DVertexShader9 *vertexShader =
+        (vertexExe ? GetAs<ShaderExecutable9>(vertexExe)->getVertexShader() : nullptr);
+    IDirect3DPixelShader9 *pixelShader =
+        (pixelExe ? GetAs<ShaderExecutable9>(pixelExe)->getPixelShader() : nullptr);
+
+    if (vertexShader != mAppliedVertexShader)
+    {
+        mDevice->SetVertexShader(vertexShader);
+        mAppliedVertexShader = vertexShader;
+    }
+
+    if (pixelShader != mAppliedPixelShader)
+    {
+        mDevice->SetPixelShader(pixelShader);
+        mAppliedPixelShader = pixelShader;
+    }
+
+    // D3D9 has a quirk where creating multiple shaders with the same content
+    // can return the same shader pointer. Because GL programs store different data
+    // per-program, checking the program serial guarantees we upload fresh
+    // uniform data even if our shader pointers are the same.
+    // https://code.google.com/p/angleproject/issues/detail?id=661
+    unsigned int programSerial = programD3D->getSerial();
+    if (programSerial != mAppliedProgramSerial)
+    {
+        programD3D->dirtyAllUniforms();
+        mStateManager.forceSetDXUniformsState();
+        mAppliedProgramSerial = programSerial;
+    }
+
+    applyUniforms(programD3D);
+
+    // Driver uniforms
+    mStateManager.setShaderConstants();
+
+    return angle::Result::Continue;
+}
+
+void Renderer9::applyUniforms(ProgramD3D *programD3D)
+{
+    // Skip updates if we're not dirty. Note that D3D9 cannot have compute or geometry.
+    if (!programD3D->anyShaderUniformsDirty())
+    {
+        return;
+    }
+
+    const auto &uniformArray = programD3D->getD3DUniforms();
+
+    for (const D3DUniform *targetUniform : uniformArray)
+    {
+        // Built-in uniforms must be skipped.
+        if (!targetUniform->isReferencedByShader(gl::ShaderType::Vertex) &&
+            !targetUniform->isReferencedByShader(gl::ShaderType::Fragment))
+            continue;
+
+        const GLfloat *f = reinterpret_cast<const GLfloat *>(targetUniform->firstNonNullData());
+        const GLint *i   = reinterpret_cast<const GLint *>(targetUniform->firstNonNullData());
+
+        switch (targetUniform->typeInfo.type)
+        {
+            case GL_SAMPLER_2D:
+            case GL_SAMPLER_CUBE:
+            case GL_SAMPLER_EXTERNAL_OES:
+            case GL_SAMPLER_VIDEO_IMAGE_WEBGL:
+                break;
+            case GL_BOOL:
+            case GL_BOOL_VEC2:
+            case GL_BOOL_VEC3:
+            case GL_BOOL_VEC4:
+                applyUniformnbv(targetUniform, i);
+                break;
+            case GL_FLOAT:
+            case GL_FLOAT_VEC2:
+            case GL_FLOAT_VEC3:
+            case GL_FLOAT_VEC4:
+            case GL_FLOAT_MAT2:
+            case GL_FLOAT_MAT3:
+            case GL_FLOAT_MAT4:
+                applyUniformnfv(targetUniform, f);
+                break;
+            case GL_INT:
+            case GL_INT_VEC2:
+            case GL_INT_VEC3:
+            case GL_INT_VEC4:
+                applyUniformniv(targetUniform, i);
+                break;
+            default:
+                UNREACHABLE();
+        }
+    }
+
+    programD3D->markUniformsClean();
+}
+
+void Renderer9::applyUniformnfv(const D3DUniform *targetUniform, const GLfloat *v)
+{
+    if (targetUniform->isReferencedByShader(gl::ShaderType::Fragment))
+    {
+        mDevice->SetPixelShaderConstantF(
+            targetUniform->mShaderRegisterIndexes[gl::ShaderType::Fragment], v,
+            targetUniform->registerCount);
+    }
+
+    if (targetUniform->isReferencedByShader(gl::ShaderType::Vertex))
+    {
+        mDevice->SetVertexShaderConstantF(
+            targetUniform->mShaderRegisterIndexes[gl::ShaderType::Vertex], v,
+            targetUniform->registerCount);
+    }
+}
+
+void Renderer9::applyUniformniv(const D3DUniform *targetUniform, const GLint *v)
+{
+    ASSERT(targetUniform->registerCount <= MAX_VERTEX_CONSTANT_VECTORS_D3D9);
+    GLfloat vector[MAX_VERTEX_CONSTANT_VECTORS_D3D9][4];
+
+    for (unsigned int i = 0; i < targetUniform->registerCount; i++)
+    {
+        vector[i][0] = (GLfloat)v[4 * i + 0];
+        vector[i][1] = (GLfloat)v[4 * i + 1];
+        vector[i][2] = (GLfloat)v[4 * i + 2];
+        vector[i][3] = (GLfloat)v[4 * i + 3];
+    }
+
+    applyUniformnfv(targetUniform, (GLfloat *)vector);
+}
+
+void Renderer9::applyUniformnbv(const D3DUniform *targetUniform, const GLint *v)
+{
+    ASSERT(targetUniform->registerCount <= MAX_VERTEX_CONSTANT_VECTORS_D3D9);
+    GLfloat vector[MAX_VERTEX_CONSTANT_VECTORS_D3D9][4];
+
+    for (unsigned int i = 0; i < targetUniform->registerCount; i++)
+    {
+        vector[i][0] = (v[4 * i + 0] == GL_FALSE) ? 0.0f : 1.0f;
+        vector[i][1] = (v[4 * i + 1] == GL_FALSE) ? 0.0f : 1.0f;
+        vector[i][2] = (v[4 * i + 2] == GL_FALSE) ? 0.0f : 1.0f;
+        vector[i][3] = (v[4 * i + 3] == GL_FALSE) ? 0.0f : 1.0f;
+    }
+
+    applyUniformnfv(targetUniform, (GLfloat *)vector);
+}
+
+void Renderer9::clear(const ClearParameters &clearParams,
+                      const RenderTarget9 *colorRenderTarget,
+                      const RenderTarget9 *depthStencilRenderTarget)
+{
+    // Clearing buffers with non-float values is not supported by Renderer9 and ES 2.0
+    ASSERT(clearParams.colorType == GL_FLOAT);
+
+    // Clearing individual buffers other than buffer zero is not supported by Renderer9 and ES 2.0
+    bool clearColor = clearParams.clearColor[0];
+    for (unsigned int i = 0; i < clearParams.clearColor.size(); i++)
+    {
+        ASSERT(clearParams.clearColor[i] == clearColor);
+    }
+
+    float depth   = gl::clamp01(clearParams.depthValue);
+    DWORD stencil = clearParams.stencilValue & 0x000000FF;
+
+    unsigned int stencilUnmasked = 0x0;
+    if (clearParams.clearStencil && depthStencilRenderTarget)
+    {
+        const gl::InternalFormat &depthStencilFormat =
+            gl::GetSizedInternalFormatInfo(depthStencilRenderTarget->getInternalFormat());
+        if (depthStencilFormat.stencilBits > 0)
+        {
+            const d3d9::D3DFormat &d3dFormatInfo =
+                d3d9::GetD3DFormatInfo(depthStencilRenderTarget->getD3DFormat());
+            stencilUnmasked = (0x1 << d3dFormatInfo.stencilBits) - 1;
+        }
+    }
+
+    const bool needMaskedStencilClear =
+        clearParams.clearStencil &&
+        (clearParams.stencilWriteMask & stencilUnmasked) != stencilUnmasked;
+
+    bool needMaskedColorClear = false;
+    D3DCOLOR color            = D3DCOLOR_ARGB(255, 0, 0, 0);
+    if (clearColor)
+    {
+        ASSERT(colorRenderTarget != nullptr);
+
+        const gl::InternalFormat &formatInfo =
+            gl::GetSizedInternalFormatInfo(colorRenderTarget->getInternalFormat());
+        const d3d9::D3DFormat &d3dFormatInfo =
+            d3d9::GetD3DFormatInfo(colorRenderTarget->getD3DFormat());
+
+        color =
+            D3DCOLOR_ARGB(gl::unorm<8>((formatInfo.alphaBits == 0 && d3dFormatInfo.alphaBits > 0)
+                                           ? 1.0f
+                                           : clearParams.colorF.alpha),
+                          gl::unorm<8>((formatInfo.redBits == 0 && d3dFormatInfo.redBits > 0)
+                                           ? 0.0f
+                                           : clearParams.colorF.red),
+                          gl::unorm<8>((formatInfo.greenBits == 0 && d3dFormatInfo.greenBits > 0)
+                                           ? 0.0f
+                                           : clearParams.colorF.green),
+                          gl::unorm<8>((formatInfo.blueBits == 0 && d3dFormatInfo.blueBits > 0)
+                                           ? 0.0f
+                                           : clearParams.colorF.blue));
+
+        const uint8_t colorMask =
+            gl::BlendStateExt::ColorMaskStorage::GetValueIndexed(0, clearParams.colorMask);
+        bool r, g, b, a;
+        gl::BlendStateExt::UnpackColorMask(colorMask, &r, &g, &b, &a);
+        if ((formatInfo.redBits > 0 && !r) || (formatInfo.greenBits > 0 && !g) ||
+            (formatInfo.blueBits > 0 && !b) || (formatInfo.alphaBits > 0 && !a))
+        {
+            needMaskedColorClear = true;
+        }
+    }
+
+    if (needMaskedColorClear || needMaskedStencilClear)
+    {
+        // State which is altered in all paths from this point to the clear call is saved.
+        // State which is altered in only some paths will be flagged dirty in the case that
+        //  that path is taken.
+        HRESULT hr;
+        if (mMaskedClearSavedState == nullptr)
+        {
+            hr = mDevice->BeginStateBlock();
+            ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY);
+
+            mDevice->SetRenderState(D3DRS_ZWRITEENABLE, FALSE);
+            mDevice->SetRenderState(D3DRS_ZFUNC, D3DCMP_ALWAYS);
+            mDevice->SetRenderState(D3DRS_ZENABLE, FALSE);
+            mDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+            mDevice->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
+            mDevice->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE);
+            mDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
+            mDevice->SetRenderState(D3DRS_CLIPPLANEENABLE, 0);
+            mDevice->SetRenderState(D3DRS_COLORWRITEENABLE, 0);
+            mDevice->SetRenderState(D3DRS_STENCILENABLE, FALSE);
+            mDevice->SetPixelShader(nullptr);
+            mDevice->SetVertexShader(nullptr);
+            mDevice->SetFVF(D3DFVF_XYZRHW | D3DFVF_DIFFUSE);
+            mDevice->SetStreamSource(0, nullptr, 0, 0);
+            mDevice->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, TRUE);
+            mDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
+            mDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TFACTOR);
+            mDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
+            mDevice->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TFACTOR);
+            mDevice->SetRenderState(D3DRS_TEXTUREFACTOR, color);
+            mDevice->SetRenderState(D3DRS_MULTISAMPLEMASK, 0xFFFFFFFF);
+
+            for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+            {
+                mDevice->SetStreamSourceFreq(i, 1);
+            }
+
+            hr = mDevice->EndStateBlock(&mMaskedClearSavedState);
+            ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY);
+        }
+
+        ASSERT(mMaskedClearSavedState != nullptr);
+
+        if (mMaskedClearSavedState != nullptr)
+        {
+            hr = mMaskedClearSavedState->Capture();
+            ASSERT(SUCCEEDED(hr));
+        }
+
+        mDevice->SetRenderState(D3DRS_ZWRITEENABLE, FALSE);
+        mDevice->SetRenderState(D3DRS_ZFUNC, D3DCMP_ALWAYS);
+        mDevice->SetRenderState(D3DRS_ZENABLE, FALSE);
+        mDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+        mDevice->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
+        mDevice->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE);
+        mDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
+        mDevice->SetRenderState(D3DRS_CLIPPLANEENABLE, 0);
+
+        if (clearColor)
+        {
+            // clearParams.colorMask follows the same packing scheme as
+            // D3DCOLORWRITEENABLE_RED/GREEN/BLUE/ALPHA
+            mDevice->SetRenderState(
+                D3DRS_COLORWRITEENABLE,
+                gl::BlendStateExt::ColorMaskStorage::GetValueIndexed(0, clearParams.colorMask));
+        }
+        else
+        {
+            mDevice->SetRenderState(D3DRS_COLORWRITEENABLE, 0);
+        }
+
+        if (stencilUnmasked != 0x0 && clearParams.clearStencil)
+        {
+            mDevice->SetRenderState(D3DRS_STENCILENABLE, TRUE);
+            mDevice->SetRenderState(D3DRS_TWOSIDEDSTENCILMODE, FALSE);
+            mDevice->SetRenderState(D3DRS_STENCILFUNC, D3DCMP_ALWAYS);
+            mDevice->SetRenderState(D3DRS_STENCILREF, stencil);
+            mDevice->SetRenderState(D3DRS_STENCILWRITEMASK, clearParams.stencilWriteMask);
+            mDevice->SetRenderState(D3DRS_STENCILFAIL, D3DSTENCILOP_REPLACE);
+            mDevice->SetRenderState(D3DRS_STENCILZFAIL, D3DSTENCILOP_REPLACE);
+            mDevice->SetRenderState(D3DRS_STENCILPASS, D3DSTENCILOP_REPLACE);
+        }
+        else
+        {
+            mDevice->SetRenderState(D3DRS_STENCILENABLE, FALSE);
+        }
+
+        mDevice->SetPixelShader(nullptr);
+        mDevice->SetVertexShader(nullptr);
+        mDevice->SetFVF(D3DFVF_XYZRHW);
+        mDevice->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, TRUE);
+        mDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
+        mDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TFACTOR);
+        mDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
+        mDevice->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TFACTOR);
+        mDevice->SetRenderState(D3DRS_TEXTUREFACTOR, color);
+        mDevice->SetRenderState(D3DRS_MULTISAMPLEMASK, 0xFFFFFFFF);
+
+        for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+        {
+            mDevice->SetStreamSourceFreq(i, 1);
+        }
+
+        int renderTargetWidth  = mStateManager.getRenderTargetWidth();
+        int renderTargetHeight = mStateManager.getRenderTargetHeight();
+
+        float quad[4][4];  // A quadrilateral covering the target, aligned to match the edges
+        quad[0][0] = -0.5f;
+        quad[0][1] = renderTargetHeight - 0.5f;
+        quad[0][2] = 0.0f;
+        quad[0][3] = 1.0f;
+
+        quad[1][0] = renderTargetWidth - 0.5f;
+        quad[1][1] = renderTargetHeight - 0.5f;
+        quad[1][2] = 0.0f;
+        quad[1][3] = 1.0f;
+
+        quad[2][0] = -0.5f;
+        quad[2][1] = -0.5f;
+        quad[2][2] = 0.0f;
+        quad[2][3] = 1.0f;
+
+        quad[3][0] = renderTargetWidth - 0.5f;
+        quad[3][1] = -0.5f;
+        quad[3][2] = 0.0f;
+        quad[3][3] = 1.0f;
+
+        startScene();
+        mDevice->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP, 2, quad, sizeof(float[4]));
+
+        if (clearParams.clearDepth)
+        {
+            mDevice->SetRenderState(D3DRS_ZENABLE, TRUE);
+            mDevice->SetRenderState(D3DRS_ZWRITEENABLE, TRUE);
+            mDevice->Clear(0, nullptr, D3DCLEAR_ZBUFFER, color, depth, stencil);
+        }
+
+        if (mMaskedClearSavedState != nullptr)
+        {
+            mMaskedClearSavedState->Apply();
+        }
+    }
+    else if (clearColor || clearParams.clearDepth || clearParams.clearStencil)
+    {
+        DWORD dxClearFlags = 0;
+        if (clearColor)
+        {
+            dxClearFlags |= D3DCLEAR_TARGET;
+        }
+        if (clearParams.clearDepth)
+        {
+            dxClearFlags |= D3DCLEAR_ZBUFFER;
+        }
+        if (clearParams.clearStencil)
+        {
+            dxClearFlags |= D3DCLEAR_STENCIL;
+        }
+
+        mDevice->Clear(0, nullptr, dxClearFlags, color, depth, stencil);
+    }
+}
+
+void Renderer9::markAllStateDirty()
+{
+    mAppliedRenderTargetSerial   = 0;
+    mAppliedDepthStencilSerial   = 0;
+    mDepthStencilInitialized     = false;
+    mRenderTargetDescInitialized = false;
+
+    mStateManager.forceSetRasterState();
+    mStateManager.forceSetDepthStencilState();
+    mStateManager.forceSetBlendState();
+    mStateManager.forceSetScissorState();
+    mStateManager.forceSetViewportState();
+
+    ASSERT(mCurVertexSamplerStates.size() == mCurVertexTextures.size());
+    for (unsigned int i = 0; i < mCurVertexTextures.size(); i++)
+    {
+        mCurVertexSamplerStates[i].forceSet = true;
+        mCurVertexTextures[i]               = angle::DirtyPointer;
+    }
+
+    ASSERT(mCurPixelSamplerStates.size() == mCurPixelTextures.size());
+    for (unsigned int i = 0; i < mCurPixelSamplerStates.size(); i++)
+    {
+        mCurPixelSamplerStates[i].forceSet = true;
+        mCurPixelTextures[i]               = angle::DirtyPointer;
+    }
+
+    mAppliedIBSerial      = 0;
+    mAppliedVertexShader  = nullptr;
+    mAppliedPixelShader   = nullptr;
+    mAppliedProgramSerial = 0;
+    mStateManager.forceSetDXUniformsState();
+
+    mVertexDeclarationCache.markStateDirty();
+}
+
+void Renderer9::releaseDeviceResources()
+{
+    for (size_t i = 0; i < mEventQueryPool.size(); i++)
+    {
+        SafeRelease(mEventQueryPool[i]);
+    }
+    mEventQueryPool.clear();
+
+    SafeRelease(mMaskedClearSavedState);
+
+    mVertexShaderCache.clear();
+    mPixelShaderCache.clear();
+
+    SafeDelete(mBlit);
+    SafeDelete(mVertexDataManager);
+    SafeDelete(mIndexDataManager);
+    SafeDelete(mLineLoopIB);
+    SafeDelete(mCountingIB);
+
+    for (int i = 0; i < NUM_NULL_COLORBUFFER_CACHE_ENTRIES; i++)
+    {
+        SafeDelete(mNullRenderTargetCache[i].renderTarget);
+    }
+}
+
+// set notify to true to broadcast a message to all contexts of the device loss
+bool Renderer9::testDeviceLost()
+{
+    HRESULT status = getDeviceStatusCode();
+    return FAILED(status);
+}
+
+HRESULT Renderer9::getDeviceStatusCode()
+{
+    HRESULT status = D3D_OK;
+
+    if (mDeviceEx)
+    {
+        status = mDeviceEx->CheckDeviceState(nullptr);
+    }
+    else if (mDevice)
+    {
+        status = mDevice->TestCooperativeLevel();
+    }
+
+    return status;
+}
+
+bool Renderer9::testDeviceResettable()
+{
+    // On D3D9Ex, DEVICELOST represents a hung device that needs to be restarted
+    // DEVICEREMOVED indicates the device has been stopped and must be recreated
+    switch (getDeviceStatusCode())
+    {
+        case D3DERR_DEVICENOTRESET:
+        case D3DERR_DEVICEHUNG:
+            return true;
+        case D3DERR_DEVICELOST:
+            return (mDeviceEx != nullptr);
+        case D3DERR_DEVICEREMOVED:
+            ASSERT(mDeviceEx != nullptr);
+            return isRemovedDeviceResettable();
+        default:
+            return false;
+    }
+}
+
+bool Renderer9::resetDevice()
+{
+    releaseDeviceResources();
+
+    D3DPRESENT_PARAMETERS presentParameters = getDefaultPresentParameters();
+
+    HRESULT result     = D3D_OK;
+    bool lost          = testDeviceLost();
+    bool removedDevice = (getDeviceStatusCode() == D3DERR_DEVICEREMOVED);
+
+    // Device Removed is a feature which is only present with D3D9Ex
+    ASSERT(mDeviceEx != nullptr || !removedDevice);
+
+    for (int attempts = 3; lost && attempts > 0; attempts--)
+    {
+        if (removedDevice)
+        {
+            // Device removed, which may trigger on driver reinstallation,
+            // may cause a longer wait other reset attempts before the
+            // system is ready to handle creating a new device.
+            Sleep(800);
+            lost = !resetRemovedDevice();
+        }
+        else if (mDeviceEx)
+        {
+            Sleep(500);  // Give the graphics driver some CPU time
+            result = mDeviceEx->ResetEx(&presentParameters, nullptr);
+            lost   = testDeviceLost();
+        }
+        else
+        {
+            result = mDevice->TestCooperativeLevel();
+            while (result == D3DERR_DEVICELOST)
+            {
+                Sleep(100);  // Give the graphics driver some CPU time
+                result = mDevice->TestCooperativeLevel();
+            }
+
+            if (result == D3DERR_DEVICENOTRESET)
+            {
+                result = mDevice->Reset(&presentParameters);
+            }
+            lost = testDeviceLost();
+        }
+    }
+
+    if (FAILED(result))
+    {
+        ERR() << "Reset/ResetEx failed multiple times, " << gl::FmtHR(result);
+        return false;
+    }
+
+    if (removedDevice && lost)
+    {
+        ERR() << "Device lost reset failed multiple times";
+        return false;
+    }
+
+    // If the device was removed, we already finished re-initialization in resetRemovedDevice
+    if (!removedDevice)
+    {
+        // reset device defaults
+        if (initializeDevice().isError())
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool Renderer9::isRemovedDeviceResettable() const
+{
+    bool success = false;
+
+#if ANGLE_D3D9EX == ANGLE_ENABLED
+    IDirect3D9Ex *d3d9Ex = nullptr;
+    typedef HRESULT(WINAPI * Direct3DCreate9ExFunc)(UINT, IDirect3D9Ex **);
+    Direct3DCreate9ExFunc Direct3DCreate9ExPtr =
+        reinterpret_cast<Direct3DCreate9ExFunc>(GetProcAddress(mD3d9Module, "Direct3DCreate9Ex"));
+
+    if (Direct3DCreate9ExPtr && SUCCEEDED(Direct3DCreate9ExPtr(D3D_SDK_VERSION, &d3d9Ex)))
+    {
+        D3DCAPS9 deviceCaps;
+        HRESULT result = d3d9Ex->GetDeviceCaps(mAdapter, mDeviceType, &deviceCaps);
+        success        = SUCCEEDED(result);
+    }
+
+    SafeRelease(d3d9Ex);
+#else
+    UNREACHABLE();
+#endif
+
+    return success;
+}
+
+bool Renderer9::resetRemovedDevice()
+{
+    // From http://msdn.microsoft.com/en-us/library/windows/desktop/bb172554(v=vs.85).aspx:
+    // The hardware adapter has been removed. Application must destroy the device, do enumeration of
+    // adapters and create another Direct3D device. If application continues rendering without
+    // calling Reset, the rendering calls will succeed. Applies to Direct3D 9Ex only.
+    release();
+    return !initialize().isError();
+}
+
+VendorID Renderer9::getVendorId() const
+{
+    return static_cast<VendorID>(mAdapterIdentifier.VendorId);
+}
+
+std::string Renderer9::getRendererDescription() const
+{
+    std::ostringstream rendererString;
+
+    rendererString << mAdapterIdentifier.Description;
+    if (getShareHandleSupport())
+    {
+        rendererString << " Direct3D9Ex";
+    }
+    else
+    {
+        rendererString << " Direct3D9";
+    }
+
+    rendererString << " vs_" << D3DSHADER_VERSION_MAJOR(mDeviceCaps.VertexShaderVersion) << "_"
+                   << D3DSHADER_VERSION_MINOR(mDeviceCaps.VertexShaderVersion);
+    rendererString << " ps_" << D3DSHADER_VERSION_MAJOR(mDeviceCaps.PixelShaderVersion) << "_"
+                   << D3DSHADER_VERSION_MINOR(mDeviceCaps.PixelShaderVersion);
+
+    return rendererString.str();
+}
+
+DeviceIdentifier Renderer9::getAdapterIdentifier() const
+{
+    DeviceIdentifier deviceIdentifier = {};
+    deviceIdentifier.VendorId         = static_cast<UINT>(mAdapterIdentifier.VendorId);
+    deviceIdentifier.DeviceId         = static_cast<UINT>(mAdapterIdentifier.DeviceId);
+    deviceIdentifier.SubSysId         = static_cast<UINT>(mAdapterIdentifier.SubSysId);
+    deviceIdentifier.Revision         = static_cast<UINT>(mAdapterIdentifier.Revision);
+    deviceIdentifier.FeatureLevel     = 0;
+
+    return deviceIdentifier;
+}
+
+unsigned int Renderer9::getReservedVertexUniformVectors() const
+{
+    return d3d9_gl::GetReservedVertexUniformVectors();
+}
+
+unsigned int Renderer9::getReservedFragmentUniformVectors() const
+{
+    return d3d9_gl::GetReservedFragmentUniformVectors();
+}
+
+bool Renderer9::getShareHandleSupport() const
+{
+    // PIX doesn't seem to support using share handles, so disable them.
+    return (mD3d9Ex != nullptr) && !gl::DebugAnnotationsActive(/*context=*/nullptr);
+}
+
+int Renderer9::getMajorShaderModel() const
+{
+    return D3DSHADER_VERSION_MAJOR(mDeviceCaps.PixelShaderVersion);
+}
+
+int Renderer9::getMinorShaderModel() const
+{
+    return D3DSHADER_VERSION_MINOR(mDeviceCaps.PixelShaderVersion);
+}
+
+std::string Renderer9::getShaderModelSuffix() const
+{
+    return "";
+}
+
+DWORD Renderer9::getCapsDeclTypes() const
+{
+    return mDeviceCaps.DeclTypes;
+}
+
+D3DPOOL Renderer9::getBufferPool(DWORD usage) const
+{
+    if (mD3d9Ex != nullptr)
+    {
+        return D3DPOOL_DEFAULT;
+    }
+    else
+    {
+        if (!(usage & D3DUSAGE_DYNAMIC))
+        {
+            return D3DPOOL_MANAGED;
+        }
+    }
+
+    return D3DPOOL_DEFAULT;
+}
+
+angle::Result Renderer9::copyImage2D(const gl::Context *context,
+                                     const gl::Framebuffer *framebuffer,
+                                     const gl::Rectangle &sourceRect,
+                                     GLenum destFormat,
+                                     const gl::Offset &destOffset,
+                                     TextureStorage *storage,
+                                     GLint level)
+{
+    RECT rect;
+    rect.left   = sourceRect.x;
+    rect.top    = sourceRect.y;
+    rect.right  = sourceRect.x + sourceRect.width;
+    rect.bottom = sourceRect.y + sourceRect.height;
+
+    return mBlit->copy2D(context, framebuffer, rect, destFormat, destOffset, storage, level);
+}
+
+angle::Result Renderer9::copyImageCube(const gl::Context *context,
+                                       const gl::Framebuffer *framebuffer,
+                                       const gl::Rectangle &sourceRect,
+                                       GLenum destFormat,
+                                       const gl::Offset &destOffset,
+                                       TextureStorage *storage,
+                                       gl::TextureTarget target,
+                                       GLint level)
+{
+    RECT rect;
+    rect.left   = sourceRect.x;
+    rect.top    = sourceRect.y;
+    rect.right  = sourceRect.x + sourceRect.width;
+    rect.bottom = sourceRect.y + sourceRect.height;
+
+    return mBlit->copyCube(context, framebuffer, rect, destFormat, destOffset, storage, target,
+                           level);
+}
+
+angle::Result Renderer9::copyImage3D(const gl::Context *context,
+                                     const gl::Framebuffer *framebuffer,
+                                     const gl::Rectangle &sourceRect,
+                                     GLenum destFormat,
+                                     const gl::Offset &destOffset,
+                                     TextureStorage *storage,
+                                     GLint level)
+{
+    // 3D textures are not available in the D3D9 backend.
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Renderer9::copyImage2DArray(const gl::Context *context,
+                                          const gl::Framebuffer *framebuffer,
+                                          const gl::Rectangle &sourceRect,
+                                          GLenum destFormat,
+                                          const gl::Offset &destOffset,
+                                          TextureStorage *storage,
+                                          GLint level)
+{
+    // 2D array textures are not available in the D3D9 backend.
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Renderer9::copyTexture(const gl::Context *context,
+                                     const gl::Texture *source,
+                                     GLint sourceLevel,
+                                     gl::TextureTarget srcTarget,
+                                     const gl::Box &sourceBox,
+                                     GLenum destFormat,
+                                     GLenum destType,
+                                     const gl::Offset &destOffset,
+                                     TextureStorage *storage,
+                                     gl::TextureTarget destTarget,
+                                     GLint destLevel,
+                                     bool unpackFlipY,
+                                     bool unpackPremultiplyAlpha,
+                                     bool unpackUnmultiplyAlpha)
+{
+    RECT rect;
+    rect.left   = sourceBox.x;
+    rect.top    = sourceBox.y;
+    rect.right  = sourceBox.x + sourceBox.width;
+    rect.bottom = sourceBox.y + sourceBox.height;
+
+    return mBlit->copyTexture(context, source, sourceLevel, rect, destFormat, destOffset, storage,
+                              destTarget, destLevel, unpackFlipY, unpackPremultiplyAlpha,
+                              unpackUnmultiplyAlpha);
+}
+
+angle::Result Renderer9::copyCompressedTexture(const gl::Context *context,
+                                               const gl::Texture *source,
+                                               GLint sourceLevel,
+                                               TextureStorage *storage,
+                                               GLint destLevel)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Renderer9::createRenderTarget(const gl::Context *context,
+                                            int width,
+                                            int height,
+                                            GLenum format,
+                                            GLsizei samples,
+                                            RenderTargetD3D **outRT)
+{
+    const d3d9::TextureFormat &d3d9FormatInfo = d3d9::GetTextureFormatInfo(format);
+
+    const gl::TextureCaps &textureCaps = getNativeTextureCaps().get(format);
+    GLuint supportedSamples            = textureCaps.getNearestSamples(samples);
+
+    IDirect3DTexture9 *texture      = nullptr;
+    IDirect3DSurface9 *renderTarget = nullptr;
+    if (width > 0 && height > 0)
+    {
+        bool requiresInitialization = false;
+        HRESULT result              = D3DERR_INVALIDCALL;
+
+        const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(format);
+        if (formatInfo.depthBits > 0 || formatInfo.stencilBits > 0)
+        {
+            result = mDevice->CreateDepthStencilSurface(
+                width, height, d3d9FormatInfo.renderFormat,
+                gl_d3d9::GetMultisampleType(supportedSamples), 0, FALSE, &renderTarget, nullptr);
+        }
+        else
+        {
+            requiresInitialization = (d3d9FormatInfo.dataInitializerFunction != nullptr);
+            if (supportedSamples > 0)
+            {
+                result = mDevice->CreateRenderTarget(width, height, d3d9FormatInfo.renderFormat,
+                                                     gl_d3d9::GetMultisampleType(supportedSamples),
+                                                     0, FALSE, &renderTarget, nullptr);
+            }
+            else
+            {
+                result = mDevice->CreateTexture(
+                    width, height, 1, D3DUSAGE_RENDERTARGET, d3d9FormatInfo.texFormat,
+                    getTexturePool(D3DUSAGE_RENDERTARGET), &texture, nullptr);
+                if (!FAILED(result))
+                {
+                    result = texture->GetSurfaceLevel(0, &renderTarget);
+                }
+            }
+        }
+
+        ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to create render target");
+
+        if (requiresInitialization)
+        {
+            // This format requires that the data be initialized before the render target can be
+            // used Unfortunately this requires a Get call on the d3d device but it is far better
+            // than having to mark the render target as lockable and copy data to the gpu.
+            IDirect3DSurface9 *prevRenderTarget = nullptr;
+            mDevice->GetRenderTarget(0, &prevRenderTarget);
+            mDevice->SetRenderTarget(0, renderTarget);
+            mDevice->Clear(0, nullptr, D3DCLEAR_TARGET, D3DCOLOR_RGBA(0, 0, 0, 255), 0.0f, 0);
+            mDevice->SetRenderTarget(0, prevRenderTarget);
+        }
+    }
+
+    *outRT = new TextureRenderTarget9(texture, 0, renderTarget, format, width, height, 1,
+                                      supportedSamples);
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::createRenderTargetCopy(const gl::Context *context,
+                                                RenderTargetD3D *source,
+                                                RenderTargetD3D **outRT)
+{
+    ASSERT(source != nullptr);
+
+    RenderTargetD3D *newRT = nullptr;
+    ANGLE_TRY(createRenderTarget(context, source->getWidth(), source->getHeight(),
+                                 source->getInternalFormat(), source->getSamples(), &newRT));
+
+    RenderTarget9 *source9 = GetAs<RenderTarget9>(source);
+    RenderTarget9 *dest9   = GetAs<RenderTarget9>(newRT);
+
+    HRESULT result = mDevice->StretchRect(source9->getSurface(), nullptr, dest9->getSurface(),
+                                          nullptr, D3DTEXF_NONE);
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to copy render target");
+
+    *outRT = newRT;
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::loadExecutable(d3d::Context *context,
+                                        const uint8_t *function,
+                                        size_t length,
+                                        gl::ShaderType type,
+                                        const std::vector<D3DVarying> &streamOutVaryings,
+                                        bool separatedOutputBuffers,
+                                        ShaderExecutableD3D **outExecutable)
+{
+    // Transform feedback is not supported in ES2 or D3D9
+    ASSERT(streamOutVaryings.empty());
+
+    switch (type)
+    {
+        case gl::ShaderType::Vertex:
+        {
+            IDirect3DVertexShader9 *vshader = nullptr;
+            ANGLE_TRY(createVertexShader(context, (DWORD *)function, length, &vshader));
+            *outExecutable = new ShaderExecutable9(function, length, vshader);
+        }
+        break;
+        case gl::ShaderType::Fragment:
+        {
+            IDirect3DPixelShader9 *pshader = nullptr;
+            ANGLE_TRY(createPixelShader(context, (DWORD *)function, length, &pshader));
+            *outExecutable = new ShaderExecutable9(function, length, pshader);
+        }
+        break;
+        default:
+            ANGLE_HR_UNREACHABLE(context);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::compileToExecutable(d3d::Context *context,
+                                             gl::InfoLog &infoLog,
+                                             const std::string &shaderHLSL,
+                                             gl::ShaderType type,
+                                             const std::vector<D3DVarying> &streamOutVaryings,
+                                             bool separatedOutputBuffers,
+                                             const CompilerWorkaroundsD3D &workarounds,
+                                             ShaderExecutableD3D **outExectuable)
+{
+    // Transform feedback is not supported in ES2 or D3D9
+    ASSERT(streamOutVaryings.empty());
+
+    std::stringstream profileStream;
+
+    switch (type)
+    {
+        case gl::ShaderType::Vertex:
+            profileStream << "vs";
+            break;
+        case gl::ShaderType::Fragment:
+            profileStream << "ps";
+            break;
+        default:
+            ANGLE_HR_UNREACHABLE(context);
+    }
+
+    profileStream << "_" << ((getMajorShaderModel() >= 3) ? 3 : 2);
+    profileStream << "_"
+                  << "0";
+
+    std::string profile = profileStream.str();
+
+    UINT flags = ANGLE_COMPILE_OPTIMIZATION_LEVEL;
+
+    if (workarounds.skipOptimization)
+    {
+        flags = D3DCOMPILE_SKIP_OPTIMIZATION;
+    }
+    else if (workarounds.useMaxOptimization)
+    {
+        flags = D3DCOMPILE_OPTIMIZATION_LEVEL3;
+    }
+
+    if (gl::DebugAnnotationsActive(/*context=*/nullptr))
+    {
+#ifndef NDEBUG
+        flags = D3DCOMPILE_SKIP_OPTIMIZATION;
+#endif
+
+        flags |= D3DCOMPILE_DEBUG;
+    }
+
+    // Sometimes D3DCompile will fail with the default compilation flags for complicated shaders
+    // when it would otherwise pass with alternative options. Try the default flags first and if
+    // compilation fails, try some alternatives.
+    std::vector<CompileConfig> configs;
+    configs.push_back(CompileConfig(flags, "default"));
+    configs.push_back(CompileConfig(flags | D3DCOMPILE_AVOID_FLOW_CONTROL, "avoid flow control"));
+    configs.push_back(CompileConfig(flags | D3DCOMPILE_PREFER_FLOW_CONTROL, "prefer flow control"));
+
+    ID3DBlob *binary = nullptr;
+    std::string debugInfo;
+    angle::Result error = mCompiler.compileToBinary(context, infoLog, shaderHLSL, profile, configs,
+                                                    nullptr, &binary, &debugInfo);
+    ANGLE_TRY(error);
+
+    // It's possible that binary is NULL if the compiler failed in all configurations.  Set the
+    // executable to NULL and return GL_NO_ERROR to signify that there was a link error but the
+    // internal state is still OK.
+    if (!binary)
+    {
+        *outExectuable = nullptr;
+        return angle::Result::Continue;
+    }
+
+    error = loadExecutable(context, reinterpret_cast<const uint8_t *>(binary->GetBufferPointer()),
+                           binary->GetBufferSize(), type, streamOutVaryings, separatedOutputBuffers,
+                           outExectuable);
+
+    SafeRelease(binary);
+    ANGLE_TRY(error);
+
+    if (!debugInfo.empty())
+    {
+        (*outExectuable)->appendDebugInfo(debugInfo);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::ensureHLSLCompilerInitialized(d3d::Context *context)
+{
+    return mCompiler.ensureInitialized(context);
+}
+
+UniformStorageD3D *Renderer9::createUniformStorage(size_t storageSize)
+{
+    return new UniformStorageD3D(storageSize);
+}
+
+angle::Result Renderer9::boxFilter(Context9 *context9,
+                                   IDirect3DSurface9 *source,
+                                   IDirect3DSurface9 *dest)
+{
+    return mBlit->boxFilter(context9, source, dest);
+}
+
+D3DPOOL Renderer9::getTexturePool(DWORD usage) const
+{
+    if (mD3d9Ex != nullptr)
+    {
+        return D3DPOOL_DEFAULT;
+    }
+    else
+    {
+        if (!(usage & (D3DUSAGE_DEPTHSTENCIL | D3DUSAGE_RENDERTARGET)))
+        {
+            return D3DPOOL_MANAGED;
+        }
+    }
+
+    return D3DPOOL_DEFAULT;
+}
+
+angle::Result Renderer9::copyToRenderTarget(const gl::Context *context,
+                                            IDirect3DSurface9 *dest,
+                                            IDirect3DSurface9 *source,
+                                            bool fromManaged)
+{
+    ASSERT(source && dest);
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    HRESULT result = D3DERR_OUTOFVIDEOMEMORY;
+
+    if (fromManaged)
+    {
+        D3DSURFACE_DESC desc;
+        source->GetDesc(&desc);
+
+        IDirect3DSurface9 *surf = 0;
+        result = mDevice->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format,
+                                                      D3DPOOL_SYSTEMMEM, &surf, nullptr);
+
+        if (SUCCEEDED(result))
+        {
+            ANGLE_TRY(Image9::CopyLockableSurfaces(context9, surf, source));
+            result = mDevice->UpdateSurface(surf, nullptr, dest, nullptr);
+            SafeRelease(surf);
+        }
+    }
+    else
+    {
+        endScene();
+        result = mDevice->StretchRect(source, nullptr, dest, nullptr, D3DTEXF_NONE);
+    }
+
+    ANGLE_TRY_HR(context9, result, "Failed to blit internal texture");
+    return angle::Result::Continue;
+}
+
+RendererClass Renderer9::getRendererClass() const
+{
+    return RENDERER_D3D9;
+}
+
+ImageD3D *Renderer9::createImage()
+{
+    return new Image9(this);
+}
+
+ExternalImageSiblingImpl *Renderer9::createExternalImageSibling(const gl::Context *context,
+                                                                EGLenum target,
+                                                                EGLClientBuffer buffer,
+                                                                const egl::AttributeMap &attribs)
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+angle::Result Renderer9::generateMipmap(const gl::Context *context, ImageD3D *dest, ImageD3D *src)
+{
+    Image9 *src9 = GetAs<Image9>(src);
+    Image9 *dst9 = GetAs<Image9>(dest);
+    return Image9::GenerateMipmap(GetImplAs<Context9>(context), dst9, src9);
+}
+
+angle::Result Renderer9::generateMipmapUsingD3D(const gl::Context *context,
+                                                TextureStorage *storage,
+                                                const gl::TextureState &textureState)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Renderer9::copyImage(const gl::Context *context,
+                                   ImageD3D *dest,
+                                   ImageD3D *source,
+                                   const gl::Box &sourceBox,
+                                   const gl::Offset &destOffset,
+                                   bool unpackFlipY,
+                                   bool unpackPremultiplyAlpha,
+                                   bool unpackUnmultiplyAlpha)
+{
+    Image9 *dest9 = GetAs<Image9>(dest);
+    Image9 *src9  = GetAs<Image9>(source);
+    return Image9::CopyImage(context, dest9, src9, sourceBox.toRect(), destOffset, unpackFlipY,
+                             unpackPremultiplyAlpha, unpackUnmultiplyAlpha);
+}
+
+TextureStorage *Renderer9::createTextureStorage2D(SwapChainD3D *swapChain, const std::string &label)
+{
+    SwapChain9 *swapChain9 = GetAs<SwapChain9>(swapChain);
+    return new TextureStorage9_2D(this, swapChain9, label);
+}
+
+TextureStorage *Renderer9::createTextureStorageEGLImage(EGLImageD3D *eglImage,
+                                                        RenderTargetD3D *renderTargetD3D,
+                                                        const std::string &label)
+{
+    return new TextureStorage9_EGLImage(this, eglImage, GetAs<RenderTarget9>(renderTargetD3D),
+                                        label);
+}
+
+TextureStorage *Renderer9::createTextureStorageBuffer(
+    const gl::OffsetBindingPointer<gl::Buffer> &buffer,
+    GLenum internalFormat,
+    const std::string &label)
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+TextureStorage *Renderer9::createTextureStorageExternal(
+    egl::Stream *stream,
+    const egl::Stream::GLTextureDescription &desc,
+    const std::string &label)
+{
+    UNIMPLEMENTED();
+    return nullptr;
+}
+
+TextureStorage *Renderer9::createTextureStorage2D(GLenum internalformat,
+                                                  BindFlags bindFlags,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  int levels,
+                                                  const std::string &label,
+                                                  bool hintLevelZeroOnly)
+{
+    return new TextureStorage9_2D(this, internalformat, bindFlags.renderTarget, width, height,
+                                  levels, label);
+}
+
+TextureStorage *Renderer9::createTextureStorageCube(GLenum internalformat,
+                                                    BindFlags bindFlags,
+                                                    int size,
+                                                    int levels,
+                                                    bool hintLevelZeroOnly,
+                                                    const std::string &label)
+{
+    return new TextureStorage9_Cube(this, internalformat, bindFlags.renderTarget, size, levels,
+                                    hintLevelZeroOnly, label);
+}
+
+TextureStorage *Renderer9::createTextureStorage3D(GLenum internalformat,
+                                                  BindFlags bindFlags,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLsizei depth,
+                                                  int levels,
+                                                  const std::string &label)
+{
+    // 3D textures are not supported by the D3D9 backend.
+    UNREACHABLE();
+
+    return nullptr;
+}
+
+TextureStorage *Renderer9::createTextureStorage2DArray(GLenum internalformat,
+                                                       BindFlags bindFlags,
+                                                       GLsizei width,
+                                                       GLsizei height,
+                                                       GLsizei depth,
+                                                       int levels,
+                                                       const std::string &label)
+{
+    // 2D array textures are not supported by the D3D9 backend.
+    UNREACHABLE();
+
+    return nullptr;
+}
+
+TextureStorage *Renderer9::createTextureStorage2DMultisample(GLenum internalformat,
+                                                             GLsizei width,
+                                                             GLsizei height,
+                                                             int levels,
+                                                             int samples,
+                                                             bool fixedSampleLocations,
+                                                             const std::string &label)
+{
+    // 2D multisampled textures are not supported by the D3D9 backend.
+    UNREACHABLE();
+
+    return nullptr;
+}
+
+TextureStorage *Renderer9::createTextureStorage2DMultisampleArray(GLenum internalformat,
+                                                                  GLsizei width,
+                                                                  GLsizei height,
+                                                                  GLsizei depth,
+                                                                  int levels,
+                                                                  int samples,
+                                                                  bool fixedSampleLocations,
+                                                                  const std::string &label)
+{
+    // 2D multisampled textures are not supported by the D3D9 backend.
+    UNREACHABLE();
+
+    return nullptr;
+}
+
+bool Renderer9::getLUID(LUID *adapterLuid) const
+{
+    adapterLuid->HighPart = 0;
+    adapterLuid->LowPart  = 0;
+
+    if (mD3d9Ex)
+    {
+        mD3d9Ex->GetAdapterLUID(mAdapter, adapterLuid);
+        return true;
+    }
+
+    return false;
+}
+
+VertexConversionType Renderer9::getVertexConversionType(angle::FormatID vertexFormatID) const
+{
+    return d3d9::GetVertexFormatInfo(getCapsDeclTypes(), vertexFormatID).conversionType;
+}
+
+GLenum Renderer9::getVertexComponentType(angle::FormatID vertexFormatID) const
+{
+    return d3d9::GetVertexFormatInfo(getCapsDeclTypes(), vertexFormatID).componentType;
+}
+
+angle::Result Renderer9::getVertexSpaceRequired(const gl::Context *context,
+                                                const gl::VertexAttribute &attrib,
+                                                const gl::VertexBinding &binding,
+                                                size_t count,
+                                                GLsizei instances,
+                                                GLuint baseInstance,
+                                                unsigned int *bytesRequiredOut) const
+{
+    if (!attrib.enabled)
+    {
+        *bytesRequiredOut = 16u;
+        return angle::Result::Continue;
+    }
+
+    angle::FormatID vertexFormatID = gl::GetVertexFormatID(attrib, gl::VertexAttribType::Float);
+    const d3d9::VertexFormat &d3d9VertexInfo =
+        d3d9::GetVertexFormatInfo(getCapsDeclTypes(), vertexFormatID);
+
+    unsigned int elementCount  = 0;
+    const unsigned int divisor = binding.getDivisor();
+    if (instances == 0 || divisor == 0)
+    {
+        elementCount = static_cast<unsigned int>(count);
+    }
+    else
+    {
+        // Round up to divisor, if possible
+        elementCount = UnsignedCeilDivide(static_cast<unsigned int>(instances), divisor);
+    }
+
+    bool check = (d3d9VertexInfo.outputElementSize >
+                  std::numeric_limits<unsigned int>::max() / elementCount);
+    ANGLE_CHECK(GetImplAs<Context9>(context), !check,
+                "New vertex buffer size would result in an overflow.", GL_OUT_OF_MEMORY);
+
+    *bytesRequiredOut = static_cast<unsigned int>(d3d9VertexInfo.outputElementSize) * elementCount;
+    return angle::Result::Continue;
+}
+
+void Renderer9::generateCaps(gl::Caps *outCaps,
+                             gl::TextureCapsMap *outTextureCaps,
+                             gl::Extensions *outExtensions,
+                             gl::Limitations *outLimitations) const
+{
+    d3d9_gl::GenerateCaps(mD3d9, mDevice, mDeviceType, mAdapter, outCaps, outTextureCaps,
+                          outExtensions, outLimitations);
+}
+
+void Renderer9::initializeFeatures(angle::FeaturesD3D *features) const
+{
+    if (!mDisplay->getState().featuresAllDisabled)
+    {
+        d3d9::InitializeFeatures(features);
+    }
+    ApplyFeatureOverrides(features, mDisplay->getState());
+}
+
+void Renderer9::initializeFrontendFeatures(angle::FrontendFeatures *features) const {}
+
+DeviceImpl *Renderer9::createEGLDevice()
+{
+    return new DeviceD3D(EGL_D3D9_DEVICE_ANGLE, mDevice);
+}
+
+Renderer9::CurSamplerState::CurSamplerState()
+    : forceSet(true), baseLevel(std::numeric_limits<size_t>::max()), samplerState()
+{}
+
+angle::Result Renderer9::genericDrawElements(const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             GLsizei count,
+                                             gl::DrawElementsType type,
+                                             const void *indices,
+                                             GLsizei instances)
+{
+    const gl::State &state = context->getState();
+    gl::Program *program   = context->getState().getProgram();
+    ASSERT(program != nullptr);
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+    bool usesPointSize     = programD3D->usesPointSize();
+
+    programD3D->updateSamplerMapping();
+
+    if (!applyPrimitiveType(mode, count, usesPointSize))
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(updateState(context, mode));
+    ANGLE_TRY(applyTextures(context));
+    ANGLE_TRY(applyShaders(context, mode));
+
+    if (!skipDraw(state, mode))
+    {
+        ANGLE_TRY(drawElementsImpl(context, mode, count, type, indices, instances));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::genericDrawArrays(const gl::Context *context,
+                                           gl::PrimitiveMode mode,
+                                           GLint first,
+                                           GLsizei count,
+                                           GLsizei instances)
+{
+    gl::Program *program = context->getState().getProgram();
+    ASSERT(program != nullptr);
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
+    bool usesPointSize     = programD3D->usesPointSize();
+
+    programD3D->updateSamplerMapping();
+
+    if (!applyPrimitiveType(mode, count, usesPointSize))
+    {
+        return angle::Result::Continue;
+    }
+
+    ANGLE_TRY(updateState(context, mode));
+    ANGLE_TRY(applyVertexBuffer(context, mode, first, count, instances, nullptr));
+    ANGLE_TRY(applyTextures(context));
+    ANGLE_TRY(applyShaders(context, mode));
+
+    if (!skipDraw(context->getState(), mode))
+    {
+        ANGLE_TRY(drawArraysImpl(context, mode, first, count, instances));
+    }
+
+    return angle::Result::Continue;
+}
+
+FramebufferImpl *Renderer9::createDefaultFramebuffer(const gl::FramebufferState &state)
+{
+    return new Framebuffer9(state, this);
+}
+
+gl::Version Renderer9::getMaxSupportedESVersion() const
+{
+    return gl::Version(2, 0);
+}
+
+gl::Version Renderer9::getMaxConformantESVersion() const
+{
+    return gl::Version(2, 0);
+}
+
+angle::Result Renderer9::clearRenderTarget(const gl::Context *context,
+                                           RenderTargetD3D *renderTarget,
+                                           const gl::ColorF &clearColorValue,
+                                           const float clearDepthValue,
+                                           const unsigned int clearStencilValue)
+{
+    D3DCOLOR color =
+        D3DCOLOR_ARGB(gl::unorm<8>(clearColorValue.alpha), gl::unorm<8>(clearColorValue.red),
+                      gl::unorm<8>(clearColorValue.green), gl::unorm<8>(clearColorValue.blue));
+    float depth   = clearDepthValue;
+    DWORD stencil = clearStencilValue & 0x000000FF;
+
+    unsigned int renderTargetSerial        = renderTarget->getSerial();
+    RenderTarget9 *renderTarget9           = GetAs<RenderTarget9>(renderTarget);
+    IDirect3DSurface9 *renderTargetSurface = renderTarget9->getSurface();
+    ASSERT(renderTargetSurface);
+
+    DWORD dxClearFlags = 0;
+
+    const gl::InternalFormat &internalFormatInfo =
+        gl::GetSizedInternalFormatInfo(renderTarget->getInternalFormat());
+    if (internalFormatInfo.depthBits > 0 || internalFormatInfo.stencilBits > 0)
+    {
+        dxClearFlags = D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL;
+        if (mAppliedDepthStencilSerial != renderTargetSerial)
+        {
+            mDevice->SetDepthStencilSurface(renderTargetSurface);
+        }
+    }
+    else
+    {
+        dxClearFlags = D3DCLEAR_TARGET;
+        if (mAppliedRenderTargetSerial != renderTargetSerial)
+        {
+            mDevice->SetRenderTarget(0, renderTargetSurface);
+        }
+    }
+    SafeRelease(renderTargetSurface);
+
+    D3DVIEWPORT9 viewport;
+    viewport.X      = 0;
+    viewport.Y      = 0;
+    viewport.Width  = renderTarget->getWidth();
+    viewport.Height = renderTarget->getHeight();
+    mDevice->SetViewport(&viewport);
+
+    mDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
+
+    mDevice->Clear(0, nullptr, dxClearFlags, color, depth, stencil);
+
+    markAllStateDirty();
+
+    return angle::Result::Continue;
+}
+
+bool Renderer9::canSelectViewInVertexShader() const
+{
+    return false;
+}
+
+// For each Direct3D sampler of either the pixel or vertex stage,
+// looks up the corresponding OpenGL texture image unit and texture type,
+// and sets the texture and its addressing/filtering state (or NULL when inactive).
+// Sampler mapping needs to be up-to-date on the program object before this is called.
+angle::Result Renderer9::applyTextures(const gl::Context *context, gl::ShaderType shaderType)
+{
+    const auto &glState    = context->getState();
+    const auto &caps       = context->getCaps();
+    ProgramD3D *programD3D = GetImplAs<ProgramD3D>(glState.getProgram());
+
+    ASSERT(!programD3D->isSamplerMappingDirty());
+
+    // TODO(jmadill): Use the Program's sampler bindings.
+    const gl::ActiveTexturesCache &activeTextures = glState.getActiveTexturesCache();
+
+    const gl::RangeUI samplerRange = programD3D->getUsedSamplerRange(shaderType);
+    for (unsigned int samplerIndex = samplerRange.low(); samplerIndex < samplerRange.high();
+         samplerIndex++)
+    {
+        GLint textureUnit = programD3D->getSamplerMapping(shaderType, samplerIndex, caps);
+        ASSERT(textureUnit != -1);
+        gl::Texture *texture = activeTextures[textureUnit];
+
+        // A nullptr texture indicates incomplete.
+        if (texture)
+        {
+            gl::Sampler *samplerObject = glState.getSampler(textureUnit);
+
+            const gl::SamplerState &samplerState =
+                samplerObject ? samplerObject->getSamplerState() : texture->getSamplerState();
+
+            ANGLE_TRY(setSamplerState(context, shaderType, samplerIndex, texture, samplerState));
+            ANGLE_TRY(setTexture(context, shaderType, samplerIndex, texture));
+        }
+        else
+        {
+            gl::TextureType textureType =
+                programD3D->getSamplerTextureType(shaderType, samplerIndex);
+
+            // Texture is not sampler complete or it is in use by the framebuffer.  Bind the
+            // incomplete texture.
+            gl::Texture *incompleteTexture = nullptr;
+            ANGLE_TRY(getIncompleteTexture(context, textureType, &incompleteTexture));
+            ANGLE_TRY(setSamplerState(context, shaderType, samplerIndex, incompleteTexture,
+                                      incompleteTexture->getSamplerState()));
+            ANGLE_TRY(setTexture(context, shaderType, samplerIndex, incompleteTexture));
+        }
+    }
+
+    // Set all the remaining textures to NULL
+    int samplerCount = (shaderType == gl::ShaderType::Fragment)
+                           ? caps.maxShaderTextureImageUnits[gl::ShaderType::Fragment]
+                           : caps.maxShaderTextureImageUnits[gl::ShaderType::Vertex];
+
+    // TODO(jmadill): faster way?
+    for (int samplerIndex = samplerRange.high(); samplerIndex < samplerCount; samplerIndex++)
+    {
+        ANGLE_TRY(setTexture(context, shaderType, samplerIndex, nullptr));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::applyTextures(const gl::Context *context)
+{
+    ANGLE_TRY(applyTextures(context, gl::ShaderType::Vertex));
+    ANGLE_TRY(applyTextures(context, gl::ShaderType::Fragment));
+    return angle::Result::Continue;
+}
+
+angle::Result Renderer9::getIncompleteTexture(const gl::Context *context,
+                                              gl::TextureType type,
+                                              gl::Texture **textureOut)
+{
+    return GetImplAs<Context9>(context)->getIncompleteTexture(context, type, textureOut);
+}
+
+angle::Result Renderer9::ensureVertexDataManagerInitialized(const gl::Context *context)
+{
+    if (!mVertexDataManager)
+    {
+        mVertexDataManager = new VertexDataManager(this);
+        ANGLE_TRY(mVertexDataManager->initialize(context));
+    }
+
+    return angle::Result::Continue;
+}
+
+std::string Renderer9::getVendorString() const
+{
+    return GetVendorString(getVendorId());
+}
+
+std::string Renderer9::getVersionString(bool includeFullVersion) const
+{
+    std::ostringstream versionString;
+    std::string driverName(mAdapterIdentifier.Driver);
+    if (!driverName.empty())
+    {
+        versionString << mAdapterIdentifier.Driver;
+    }
+    else
+    {
+        versionString << "D3D9";
+    }
+
+    if (includeFullVersion)
+    {
+        versionString << " -";
+        versionString << GetDriverVersionString(mAdapterIdentifier.DriverVersion);
+    }
+
+    return versionString.str();
+}
+
+RendererD3D *CreateRenderer9(egl::Display *display)
+{
+    return new Renderer9(display);
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Renderer9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Renderer9.h
new file mode 100644
index 0000000000..67a20f56ba
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Renderer9.h
@@ -0,0 +1,586 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Renderer9.h: Defines a back-end specific class for the D3D9 renderer.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_RENDERER9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_RENDERER9_H_
+
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "libANGLE/renderer/d3d/HLSLCompiler.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/DebugAnnotator9.h"
+#include "libANGLE/renderer/d3d/d3d9/ShaderCache.h"
+#include "libANGLE/renderer/d3d/d3d9/StateManager9.h"
+#include "libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h"
+#include "libANGLE/renderer/driver_utils.h"
+
+namespace gl
+{
+class FramebufferAttachment;
+}
+
+namespace egl
+{
+class AttributeMap;
+}
+
+namespace rx
+{
+class Blit9;
+class Context9;
+class IndexDataManager;
+class ProgramD3D;
+class RenderTarget9;
+class StreamingIndexBufferInterface;
+class StaticIndexBufferInterface;
+class VertexDataManager;
+struct ClearParameters;
+struct D3DUniform;
+struct TranslatedAttribute;
+
+class Renderer9 : public RendererD3D
+{
+  public:
+    explicit Renderer9(egl::Display *display);
+    ~Renderer9() override;
+
+    egl::Error initialize() override;
+    bool resetDevice() override;
+
+    egl::ConfigSet generateConfigs() override;
+    void generateDisplayExtensions(egl::DisplayExtensions *outExtensions) const override;
+
+    void startScene();
+    void endScene();
+
+    angle::Result flush(const gl::Context *context);
+    angle::Result finish(const gl::Context *context);
+
+    bool isValidNativeWindow(EGLNativeWindowType window) const override;
+    NativeWindowD3D *createNativeWindow(EGLNativeWindowType window,
+                                        const egl::Config *config,
+                                        const egl::AttributeMap &attribs) const override;
+
+    SwapChainD3D *createSwapChain(NativeWindowD3D *nativeWindow,
+                                  HANDLE shareHandle,
+                                  IUnknown *d3dTexture,
+                                  GLenum backBufferFormat,
+                                  GLenum depthBufferFormat,
+                                  EGLint orientation,
+                                  EGLint samples) override;
+    egl::Error getD3DTextureInfo(const egl::Config *configuration,
+                                 IUnknown *d3dTexture,
+                                 const egl::AttributeMap &attribs,
+                                 EGLint *width,
+                                 EGLint *height,
+                                 GLsizei *samples,
+                                 gl::Format *glFormat,
+                                 const angle::Format **angleFormat,
+                                 UINT *arraySlice) const override;
+    egl::Error validateShareHandle(const egl::Config *config,
+                                   HANDLE shareHandle,
+                                   const egl::AttributeMap &attribs) const override;
+
+    ContextImpl *createContext(const gl::State &state, gl::ErrorSet *errorSet) override;
+
+    angle::Result allocateEventQuery(const gl::Context *context, IDirect3DQuery9 **outQuery);
+    void freeEventQuery(IDirect3DQuery9 *query);
+
+    // resource creation
+    angle::Result createVertexShader(d3d::Context *context,
+                                     const DWORD *function,
+                                     size_t length,
+                                     IDirect3DVertexShader9 **outShader);
+    angle::Result createPixelShader(d3d::Context *context,
+                                    const DWORD *function,
+                                    size_t length,
+                                    IDirect3DPixelShader9 **outShader);
+    HRESULT createVertexBuffer(UINT Length, DWORD Usage, IDirect3DVertexBuffer9 **ppVertexBuffer);
+    HRESULT createIndexBuffer(UINT Length,
+                              DWORD Usage,
+                              D3DFORMAT Format,
+                              IDirect3DIndexBuffer9 **ppIndexBuffer);
+    angle::Result setSamplerState(const gl::Context *context,
+                                  gl::ShaderType type,
+                                  int index,
+                                  gl::Texture *texture,
+                                  const gl::SamplerState &sampler);
+    angle::Result setTexture(const gl::Context *context,
+                             gl::ShaderType type,
+                             int index,
+                             gl::Texture *texture);
+
+    angle::Result updateState(const gl::Context *context, gl::PrimitiveMode drawMode);
+
+    void setScissorRectangle(const gl::Rectangle &scissor, bool enabled);
+    void setViewport(const gl::Rectangle &viewport,
+                     float zNear,
+                     float zFar,
+                     gl::PrimitiveMode drawMode,
+                     GLenum frontFace,
+                     bool ignoreViewport);
+
+    angle::Result applyRenderTarget(const gl::Context *context,
+                                    const RenderTarget9 *colorRenderTarget,
+                                    const RenderTarget9 *depthStencilRenderTarget);
+    void applyUniforms(ProgramD3D *programD3D);
+    bool applyPrimitiveType(gl::PrimitiveMode primitiveType,
+                            GLsizei elementCount,
+                            bool usesPointSize);
+    angle::Result applyVertexBuffer(const gl::Context *context,
+                                    gl::PrimitiveMode mode,
+                                    GLint first,
+                                    GLsizei count,
+                                    GLsizei instances,
+                                    TranslatedIndexData *indexInfo);
+    angle::Result applyIndexBuffer(const gl::Context *context,
+                                   const void *indices,
+                                   GLsizei count,
+                                   gl::PrimitiveMode mode,
+                                   gl::DrawElementsType type,
+                                   TranslatedIndexData *indexInfo);
+
+    void clear(const ClearParameters &clearParams,
+               const RenderTarget9 *colorRenderTarget,
+               const RenderTarget9 *depthStencilRenderTarget);
+
+    void markAllStateDirty();
+
+    // lost device
+    bool testDeviceLost() override;
+    bool testDeviceResettable() override;
+
+    VendorID getVendorId() const;
+    DeviceIdentifier getAdapterIdentifier() const override;
+
+    IDirect3DDevice9 *getDevice() { return mDevice; }
+    void *getD3DDevice() override;
+
+    unsigned int getReservedVertexUniformVectors() const;
+    unsigned int getReservedFragmentUniformVectors() const;
+
+    bool getShareHandleSupport() const;
+
+    int getMajorShaderModel() const override;
+    int getMinorShaderModel() const override;
+    std::string getShaderModelSuffix() const override;
+
+    DWORD getCapsDeclTypes() const;
+
+    // Pixel operations
+    angle::Result copyImage2D(const gl::Context *context,
+                              const gl::Framebuffer *framebuffer,
+                              const gl::Rectangle &sourceRect,
+                              GLenum destFormat,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              GLint level) override;
+    angle::Result copyImageCube(const gl::Context *context,
+                                const gl::Framebuffer *framebuffer,
+                                const gl::Rectangle &sourceRect,
+                                GLenum destFormat,
+                                const gl::Offset &destOffset,
+                                TextureStorage *storage,
+                                gl::TextureTarget target,
+                                GLint level) override;
+    angle::Result copyImage3D(const gl::Context *context,
+                              const gl::Framebuffer *framebuffer,
+                              const gl::Rectangle &sourceRect,
+                              GLenum destFormat,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              GLint level) override;
+    angle::Result copyImage2DArray(const gl::Context *context,
+                                   const gl::Framebuffer *framebuffer,
+                                   const gl::Rectangle &sourceRect,
+                                   GLenum destFormat,
+                                   const gl::Offset &destOffset,
+                                   TextureStorage *storage,
+                                   GLint level) override;
+
+    angle::Result copyTexture(const gl::Context *context,
+                              const gl::Texture *source,
+                              GLint sourceLevel,
+                              gl::TextureTarget srcTarget,
+                              const gl::Box &sourceBox,
+                              GLenum destFormat,
+                              GLenum destType,
+                              const gl::Offset &destOffset,
+                              TextureStorage *storage,
+                              gl::TextureTarget destTarget,
+                              GLint destLevel,
+                              bool unpackFlipY,
+                              bool unpackPremultiplyAlpha,
+                              bool unpackUnmultiplyAlpha) override;
+    angle::Result copyCompressedTexture(const gl::Context *context,
+                                        const gl::Texture *source,
+                                        GLint sourceLevel,
+                                        TextureStorage *storage,
+                                        GLint destLevel) override;
+
+    // RenderTarget creation
+    angle::Result createRenderTarget(const gl::Context *context,
+                                     int width,
+                                     int height,
+                                     GLenum format,
+                                     GLsizei samples,
+                                     RenderTargetD3D **outRT) override;
+    angle::Result createRenderTargetCopy(const gl::Context *context,
+                                         RenderTargetD3D *source,
+                                         RenderTargetD3D **outRT) override;
+
+    // Shader operations
+    angle::Result loadExecutable(d3d::Context *context,
+                                 const uint8_t *function,
+                                 size_t length,
+                                 gl::ShaderType type,
+                                 const std::vector<D3DVarying> &streamOutVaryings,
+                                 bool separatedOutputBuffers,
+                                 ShaderExecutableD3D **outExecutable) override;
+    angle::Result compileToExecutable(d3d::Context *context,
+                                      gl::InfoLog &infoLog,
+                                      const std::string &shaderHLSL,
+                                      gl::ShaderType type,
+                                      const std::vector<D3DVarying> &streamOutVaryings,
+                                      bool separatedOutputBuffers,
+                                      const CompilerWorkaroundsD3D &workarounds,
+                                      ShaderExecutableD3D **outExectuable) override;
+    angle::Result ensureHLSLCompilerInitialized(d3d::Context *context) override;
+
+    UniformStorageD3D *createUniformStorage(size_t storageSize) override;
+
+    // Image operations
+    ImageD3D *createImage() override;
+    ExternalImageSiblingImpl *createExternalImageSibling(const gl::Context *context,
+                                                         EGLenum target,
+                                                         EGLClientBuffer buffer,
+                                                         const egl::AttributeMap &attribs) override;
+    angle::Result generateMipmap(const gl::Context *context,
+                                 ImageD3D *dest,
+                                 ImageD3D *source) override;
+    angle::Result generateMipmapUsingD3D(const gl::Context *context,
+                                         TextureStorage *storage,
+                                         const gl::TextureState &textureState) override;
+    angle::Result copyImage(const gl::Context *context,
+                            ImageD3D *dest,
+                            ImageD3D *source,
+                            const gl::Box &sourceBox,
+                            const gl::Offset &destOffset,
+                            bool unpackFlipY,
+                            bool unpackPremultiplyAlpha,
+                            bool unpackUnmultiplyAlpha) override;
+    TextureStorage *createTextureStorage2D(SwapChainD3D *swapChain,
+                                           const std::string &label) override;
+    TextureStorage *createTextureStorageEGLImage(EGLImageD3D *eglImage,
+                                                 RenderTargetD3D *renderTargetD3D,
+                                                 const std::string &label) override;
+
+    TextureStorage *createTextureStorageBuffer(const gl::OffsetBindingPointer<gl::Buffer> &buffer,
+                                               GLenum internalFormat,
+                                               const std::string &label) override;
+
+    TextureStorage *createTextureStorageExternal(egl::Stream *stream,
+                                                 const egl::Stream::GLTextureDescription &desc,
+                                                 const std::string &label) override;
+
+    TextureStorage *createTextureStorage2D(GLenum internalformat,
+                                           BindFlags bindFlags,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           int levels,
+                                           const std::string &label,
+                                           bool hintLevelZeroOnly) override;
+    TextureStorage *createTextureStorageCube(GLenum internalformat,
+                                             BindFlags bindFlags,
+                                             int size,
+                                             int levels,
+                                             bool hintLevelZeroOnly,
+                                             const std::string &label) override;
+    TextureStorage *createTextureStorage3D(GLenum internalformat,
+                                           BindFlags bindFlags,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           int levels,
+                                           const std::string &label) override;
+    TextureStorage *createTextureStorage2DArray(GLenum internalformat,
+                                                BindFlags bindFlags,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth,
+                                                int levels,
+                                                const std::string &label) override;
+
+    TextureStorage *createTextureStorage2DMultisample(GLenum internalformat,
+                                                      GLsizei width,
+                                                      GLsizei height,
+                                                      int levels,
+                                                      int samples,
+                                                      bool fixedSampleLocations,
+                                                      const std::string &label) override;
+    TextureStorage *createTextureStorage2DMultisampleArray(GLenum internalformat,
+                                                           GLsizei width,
+                                                           GLsizei height,
+                                                           GLsizei depth,
+                                                           int levels,
+                                                           int samples,
+                                                           bool fixedSampleLocations,
+                                                           const std::string &label) override;
+
+    // Buffer creation
+    VertexBuffer *createVertexBuffer() override;
+    IndexBuffer *createIndexBuffer() override;
+
+    // Stream Creation
+    StreamProducerImpl *createStreamProducerD3DTexture(egl::Stream::ConsumerType consumerType,
+                                                       const egl::AttributeMap &attribs) override;
+
+    // Buffer-to-texture and Texture-to-buffer copies
+    bool supportsFastCopyBufferToTexture(GLenum internalFormat) const override;
+    angle::Result fastCopyBufferToTexture(const gl::Context *context,
+                                          const gl::PixelUnpackState &unpack,
+                                          gl::Buffer *unpackBuffer,
+                                          unsigned int offset,
+                                          RenderTargetD3D *destRenderTarget,
+                                          GLenum destinationFormat,
+                                          GLenum sourcePixelsType,
+                                          const gl::Box &destArea) override;
+
+    // D3D9-renderer specific methods
+    angle::Result boxFilter(Context9 *context9, IDirect3DSurface9 *source, IDirect3DSurface9 *dest);
+
+    D3DPOOL getTexturePool(DWORD usage) const;
+
+    bool getLUID(LUID *adapterLuid) const override;
+    VertexConversionType getVertexConversionType(angle::FormatID vertexFormatID) const override;
+    GLenum getVertexComponentType(angle::FormatID vertexFormatID) const override;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using this
+    // function.
+    angle::Result getVertexSpaceRequired(const gl::Context *context,
+                                         const gl::VertexAttribute &attrib,
+                                         const gl::VertexBinding &binding,
+                                         size_t count,
+                                         GLsizei instances,
+                                         GLuint baseInstance,
+                                         unsigned int *bytesRequiredOut) const override;
+
+    angle::Result copyToRenderTarget(const gl::Context *context,
+                                     IDirect3DSurface9 *dest,
+                                     IDirect3DSurface9 *source,
+                                     bool fromManaged);
+
+    RendererClass getRendererClass() const override;
+
+    D3DDEVTYPE getD3D9DeviceType() const { return mDeviceType; }
+
+    DeviceImpl *createEGLDevice() override;
+
+    StateManager9 *getStateManager() { return &mStateManager; }
+
+    angle::Result genericDrawArrays(const gl::Context *context,
+                                    gl::PrimitiveMode mode,
+                                    GLint first,
+                                    GLsizei count,
+                                    GLsizei instances);
+
+    angle::Result genericDrawElements(const gl::Context *context,
+                                      gl::PrimitiveMode mode,
+                                      GLsizei count,
+                                      gl::DrawElementsType type,
+                                      const void *indices,
+                                      GLsizei instances);
+
+    // Necessary hack for default framebuffers in D3D.
+    FramebufferImpl *createDefaultFramebuffer(const gl::FramebufferState &state) override;
+
+    DebugAnnotator9 *getAnnotator() { return &mAnnotator; }
+
+    gl::Version getMaxSupportedESVersion() const override;
+    gl::Version getMaxConformantESVersion() const override;
+
+    angle::Result clearRenderTarget(const gl::Context *context,
+                                    RenderTargetD3D *renderTarget,
+                                    const gl::ColorF &clearColorValue,
+                                    const float clearDepthValue,
+                                    const unsigned int clearStencilValue) override;
+
+    bool canSelectViewInVertexShader() const override;
+
+    angle::Result getIncompleteTexture(const gl::Context *context,
+                                       gl::TextureType type,
+                                       gl::Texture **textureOut) override;
+
+    angle::Result ensureVertexDataManagerInitialized(const gl::Context *context);
+
+    void setGlobalDebugAnnotator() override;
+
+    std::string getRendererDescription() const override;
+    std::string getVendorString() const override;
+    std::string getVersionString(bool includeFullVersion) const override;
+
+  private:
+    angle::Result drawArraysImpl(const gl::Context *context,
+                                 gl::PrimitiveMode mode,
+                                 GLint startVertex,
+                                 GLsizei count,
+                                 GLsizei instances);
+    angle::Result drawElementsImpl(const gl::Context *context,
+                                   gl::PrimitiveMode mode,
+                                   GLsizei count,
+                                   gl::DrawElementsType type,
+                                   const void *indices,
+                                   GLsizei instances);
+
+    angle::Result applyShaders(const gl::Context *context, gl::PrimitiveMode drawMode);
+
+    angle::Result applyTextures(const gl::Context *context);
+    angle::Result applyTextures(const gl::Context *context, gl::ShaderType shaderType);
+
+    void generateCaps(gl::Caps *outCaps,
+                      gl::TextureCapsMap *outTextureCaps,
+                      gl::Extensions *outExtensions,
+                      gl::Limitations *outLimitations) const override;
+
+    void initializeFeatures(angle::FeaturesD3D *features) const override;
+
+    void initializeFrontendFeatures(angle::FrontendFeatures *features) const override;
+
+    angle::Result setBlendDepthRasterStates(const gl::Context *context, gl::PrimitiveMode drawMode);
+
+    void release();
+
+    void applyUniformnfv(const D3DUniform *targetUniform, const GLfloat *v);
+    void applyUniformniv(const D3DUniform *targetUniform, const GLint *v);
+    void applyUniformnbv(const D3DUniform *targetUniform, const GLint *v);
+
+    angle::Result drawLineLoop(const gl::Context *context,
+                               GLsizei count,
+                               gl::DrawElementsType type,
+                               const void *indices,
+                               int minIndex,
+                               gl::Buffer *elementArrayBuffer);
+    angle::Result drawIndexedPoints(const gl::Context *context,
+                                    GLsizei count,
+                                    gl::DrawElementsType type,
+                                    const void *indices,
+                                    int minIndex,
+                                    gl::Buffer *elementArrayBuffer);
+
+    angle::Result getCountingIB(const gl::Context *context,
+                                size_t count,
+                                StaticIndexBufferInterface **outIB);
+
+    angle::Result getNullColorRenderTarget(const gl::Context *context,
+                                           const RenderTarget9 *depthRenderTarget,
+                                           const RenderTarget9 **outColorRenderTarget);
+
+    D3DPOOL getBufferPool(DWORD usage) const;
+
+    HMODULE mD3d9Module;
+
+    egl::Error initializeDevice();
+    D3DPRESENT_PARAMETERS getDefaultPresentParameters();
+    void releaseDeviceResources();
+
+    HRESULT getDeviceStatusCode();
+    bool isRemovedDeviceResettable() const;
+    bool resetRemovedDevice();
+
+    UINT mAdapter;
+    D3DDEVTYPE mDeviceType;
+    IDirect3D9 *mD3d9;      // Always valid after successful initialization.
+    IDirect3D9Ex *mD3d9Ex;  // Might be null if D3D9Ex is not supported.
+    IDirect3DDevice9 *mDevice;
+    IDirect3DDevice9Ex *mDeviceEx;  // Might be null if D3D9Ex is not supported.
+
+    HLSLCompiler mCompiler;
+
+    Blit9 *mBlit;
+
+    HWND mDeviceWindow;
+
+    D3DCAPS9 mDeviceCaps;
+    D3DADAPTER_IDENTIFIER9 mAdapterIdentifier;
+
+    D3DPRIMITIVETYPE mPrimitiveType;
+    int mPrimitiveCount;
+    GLsizei mRepeatDraw;
+
+    bool mSceneStarted;
+
+    bool mVertexTextureSupport;
+
+    // current render target states
+    unsigned int mAppliedRenderTargetSerial;
+    unsigned int mAppliedDepthStencilSerial;
+    bool mDepthStencilInitialized;
+    bool mRenderTargetDescInitialized;
+
+    IDirect3DStateBlock9 *mMaskedClearSavedState;
+
+    StateManager9 mStateManager;
+
+    // Currently applied sampler states
+    struct CurSamplerState
+    {
+        CurSamplerState();
+
+        bool forceSet;
+        size_t baseLevel;
+        gl::SamplerState samplerState;
+    };
+    std::vector<CurSamplerState> mCurVertexSamplerStates;
+    std::vector<CurSamplerState> mCurPixelSamplerStates;
+
+    // Currently applied textures
+    std::vector<uintptr_t> mCurVertexTextures;
+    std::vector<uintptr_t> mCurPixelTextures;
+
+    unsigned int mAppliedIBSerial;
+    IDirect3DVertexShader9 *mAppliedVertexShader;
+    IDirect3DPixelShader9 *mAppliedPixelShader;
+    unsigned int mAppliedProgramSerial;
+
+    // A pool of event queries that are currently unused.
+    std::vector<IDirect3DQuery9 *> mEventQueryPool;
+    VertexShaderCache mVertexShaderCache;
+    PixelShaderCache mPixelShaderCache;
+
+    VertexDataManager *mVertexDataManager;
+    VertexDeclarationCache mVertexDeclarationCache;
+
+    IndexDataManager *mIndexDataManager;
+    StreamingIndexBufferInterface *mLineLoopIB;
+    StaticIndexBufferInterface *mCountingIB;
+
+    enum
+    {
+        NUM_NULL_COLORBUFFER_CACHE_ENTRIES = 12
+    };
+    struct NullRenderTargetCacheEntry
+    {
+        UINT lruCount;
+        int width;
+        int height;
+        RenderTarget9 *renderTarget;
+    };
+
+    std::array<NullRenderTargetCacheEntry, NUM_NULL_COLORBUFFER_CACHE_ENTRIES>
+        mNullRenderTargetCache;
+    UINT mMaxNullColorbufferLRU;
+
+    std::vector<TranslatedAttribute> mTranslatedAttribCache;
+
+    DebugAnnotator9 mAnnotator;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_RENDERER9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderCache.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderCache.h
new file mode 100644
index 0000000000..bd1a4cf269
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderCache.h
@@ -0,0 +1,110 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderCache: Defines rx::ShaderCache, a cache of Direct3D shader objects
+// keyed by their byte code.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_SHADERCACHE_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_SHADERCACHE_H_
+
+#include "libANGLE/Error.h"
+
+#include "common/debug.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+
+#include <cstddef>
+#include <mutex>
+#include <string>
+#include <unordered_map>
+
+namespace rx
+{
+template <typename ShaderObject>
+class ShaderCache : angle::NonCopyable
+{
+  public:
+    ShaderCache() : mDevice(nullptr) {}
+
+    ~ShaderCache()
+    {
+        // Call clear while the device is still valid.
+        ASSERT(mMap.empty());
+    }
+
+    void initialize(IDirect3DDevice9 *device) { mDevice = device; }
+
+    angle::Result create(d3d::Context *context,
+                         const DWORD *function,
+                         size_t length,
+                         ShaderObject **outShaderObject)
+    {
+        std::lock_guard<std::mutex> lock(mMutex);
+
+        std::string key(reinterpret_cast<const char *>(function), length);
+        typename Map::iterator it = mMap.find(key);
+        if (it != mMap.end())
+        {
+            it->second->AddRef();
+            *outShaderObject = it->second;
+            return angle::Result::Continue;
+        }
+
+        ShaderObject *shader;
+        HRESULT result = createShader(function, &shader);
+        ANGLE_TRY_HR(context, result, "Failed to create shader");
+
+        // Random eviction policy.
+        if (mMap.size() >= kMaxMapSize)
+        {
+            SafeRelease(mMap.begin()->second);
+            mMap.erase(mMap.begin());
+        }
+
+        shader->AddRef();
+        mMap[key] = shader;
+
+        *outShaderObject = shader;
+        return angle::Result::Continue;
+    }
+
+    void clear()
+    {
+        std::lock_guard<std::mutex> lock(mMutex);
+
+        for (typename Map::iterator it = mMap.begin(); it != mMap.end(); ++it)
+        {
+            SafeRelease(it->second);
+        }
+
+        mMap.clear();
+    }
+
+  private:
+    const static size_t kMaxMapSize = 100;
+
+    HRESULT createShader(const DWORD *function, IDirect3DVertexShader9 **shader)
+    {
+        return mDevice->CreateVertexShader(function, shader);
+    }
+
+    HRESULT createShader(const DWORD *function, IDirect3DPixelShader9 **shader)
+    {
+        return mDevice->CreatePixelShader(function, shader);
+    }
+
+    typedef angle::HashMap<std::string, ShaderObject *> Map;
+    Map mMap;
+    std::mutex mMutex;
+
+    IDirect3DDevice9 *mDevice;
+};
+
+typedef ShaderCache<IDirect3DVertexShader9> VertexShaderCache;
+typedef ShaderCache<IDirect3DPixelShader9> PixelShaderCache;
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_SHADERCACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderExecutable9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderExecutable9.cpp
new file mode 100644
index 0000000000..b5c237f9a7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderExecutable9.cpp
@@ -0,0 +1,51 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderExecutable9.cpp: Implements a D3D9-specific class to contain shader
+// executable implementation details.
+
+#include "libANGLE/renderer/d3d/d3d9/ShaderExecutable9.h"
+
+#include "common/debug.h"
+
+namespace rx
+{
+
+ShaderExecutable9::ShaderExecutable9(const void *function,
+                                     size_t length,
+                                     IDirect3DPixelShader9 *executable)
+    : ShaderExecutableD3D(function, length)
+{
+    mPixelExecutable  = executable;
+    mVertexExecutable = nullptr;
+}
+
+ShaderExecutable9::ShaderExecutable9(const void *function,
+                                     size_t length,
+                                     IDirect3DVertexShader9 *executable)
+    : ShaderExecutableD3D(function, length)
+{
+    mVertexExecutable = executable;
+    mPixelExecutable  = nullptr;
+}
+
+ShaderExecutable9::~ShaderExecutable9()
+{
+    SafeRelease(mVertexExecutable);
+    SafeRelease(mPixelExecutable);
+}
+
+IDirect3DVertexShader9 *ShaderExecutable9::getVertexShader() const
+{
+    return mVertexExecutable;
+}
+
+IDirect3DPixelShader9 *ShaderExecutable9::getPixelShader() const
+{
+    return mPixelExecutable;
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderExecutable9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderExecutable9.h
new file mode 100644
index 0000000000..0c8c595ef0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/ShaderExecutable9.h
@@ -0,0 +1,35 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderExecutable9.h: Defines a D3D9-specific class to contain shader
+// executable implementation details.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_SHADEREXECUTABLE9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_SHADEREXECUTABLE9_H_
+
+#include "libANGLE/renderer/d3d/ShaderExecutableD3D.h"
+
+namespace rx
+{
+
+class ShaderExecutable9 : public ShaderExecutableD3D
+{
+  public:
+    ShaderExecutable9(const void *function, size_t length, IDirect3DPixelShader9 *executable);
+    ShaderExecutable9(const void *function, size_t length, IDirect3DVertexShader9 *executable);
+    ~ShaderExecutable9() override;
+
+    IDirect3DPixelShader9 *getPixelShader() const;
+    IDirect3DVertexShader9 *getVertexShader() const;
+
+  private:
+    IDirect3DPixelShader9 *mPixelExecutable;
+    IDirect3DVertexShader9 *mVertexExecutable;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_SHADEREXECUTABLE9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/StateManager9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/StateManager9.cpp
new file mode 100644
index 0000000000..cad011b25a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/StateManager9.cpp
@@ -0,0 +1,888 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// StateManager9.cpp: Defines a class for caching D3D9 state
+#include "libANGLE/renderer/d3d/d3d9/StateManager9.h"
+
+#include "common/bitset_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/d3d9/Framebuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+
+StateManager9::StateManager9(Renderer9 *renderer9)
+    : mUsingZeroColorMaskWorkaround(false),
+      mCurSampleAlphaToCoverage(false),
+      mCurBlendState(),
+      mCurBlendColor(0, 0, 0, 0),
+      mCurSampleMask(0),
+      mCurRasterState(),
+      mCurDepthSize(0),
+      mCurDepthStencilState(),
+      mCurStencilRef(0),
+      mCurStencilBackRef(0),
+      mCurFrontFaceCCW(0),
+      mCurStencilSize(0),
+      mCurScissorRect(),
+      mCurScissorEnabled(false),
+      mCurViewport(),
+      mCurNear(0.0f),
+      mCurFar(0.0f),
+      mCurDepthFront(0.0f),
+      mCurIgnoreViewport(false),
+      mRenderer9(renderer9),
+      mDirtyBits()
+{
+    mBlendStateDirtyBits.set(DIRTY_BIT_BLEND_ENABLED);
+    mBlendStateDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
+    mBlendStateDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
+    mBlendStateDirtyBits.set(DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE);
+    mBlendStateDirtyBits.set(DIRTY_BIT_COLOR_MASK);
+    mBlendStateDirtyBits.set(DIRTY_BIT_DITHER);
+    mBlendStateDirtyBits.set(DIRTY_BIT_SAMPLE_MASK);
+
+    mRasterizerStateDirtyBits.set(DIRTY_BIT_CULL_MODE);
+    mRasterizerStateDirtyBits.set(DIRTY_BIT_DEPTH_BIAS);
+
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_MASK);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_FUNC);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_TEST_ENABLED);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_FRONT);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_BACK);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_FRONT);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_BACK);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_OPS_FRONT);
+    mDepthStencilStateDirtyBits.set(DIRTY_BIT_STENCIL_OPS_BACK);
+
+    mScissorStateDirtyBits.set(DIRTY_BIT_SCISSOR_ENABLED);
+    mScissorStateDirtyBits.set(DIRTY_BIT_SCISSOR_RECT);
+}
+
+StateManager9::~StateManager9() {}
+
+void StateManager9::initialize()
+{
+    mUsingZeroColorMaskWorkaround = IsAMD(mRenderer9->getVendorId());
+}
+
+void StateManager9::forceSetBlendState()
+{
+    mDirtyBits |= mBlendStateDirtyBits;
+}
+
+void StateManager9::forceSetRasterState()
+{
+    mDirtyBits |= mRasterizerStateDirtyBits;
+}
+
+void StateManager9::forceSetDepthStencilState()
+{
+    mDirtyBits |= mDepthStencilStateDirtyBits;
+}
+
+void StateManager9::forceSetScissorState()
+{
+    mDirtyBits |= mScissorStateDirtyBits;
+}
+
+void StateManager9::forceSetViewportState()
+{
+    mForceSetViewport = true;
+}
+
+void StateManager9::forceSetDXUniformsState()
+{
+    mDxUniformsDirty = true;
+}
+
+void StateManager9::updateStencilSizeIfChanged(bool depthStencilInitialized,
+                                               unsigned int stencilSize)
+{
+    if (!depthStencilInitialized || stencilSize != mCurStencilSize)
+    {
+        mCurStencilSize = stencilSize;
+        forceSetDepthStencilState();
+    }
+}
+
+void StateManager9::syncState(const gl::State &state, const gl::State::DirtyBits &dirtyBits)
+{
+    if (!dirtyBits.any())
+    {
+        return;
+    }
+
+    for (auto dirtyBit : dirtyBits)
+    {
+        switch (dirtyBit)
+        {
+            case gl::State::DIRTY_BIT_BLEND_ENABLED:
+                if (state.getBlendState().blend != mCurBlendState.blend)
+                {
+                    mDirtyBits.set(DIRTY_BIT_BLEND_ENABLED);
+                    // BlendColor and funcs and equations has to be set if blend is enabled
+                    mDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
+                    mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
+
+                    // The color mask may have to be updated if the blend state changes
+                    if (mUsingZeroColorMaskWorkaround)
+                    {
+                        mDirtyBits.set(DIRTY_BIT_COLOR_MASK);
+                    }
+                }
+                break;
+            case gl::State::DIRTY_BIT_BLEND_FUNCS:
+            {
+                const gl::BlendState &blendState = state.getBlendState();
+                if (blendState.sourceBlendRGB != mCurBlendState.sourceBlendRGB ||
+                    blendState.destBlendRGB != mCurBlendState.destBlendRGB ||
+                    blendState.sourceBlendAlpha != mCurBlendState.sourceBlendAlpha ||
+                    blendState.destBlendAlpha != mCurBlendState.destBlendAlpha)
+                {
+                    mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
+                    // BlendColor depends on the values of blend funcs
+                    mDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
+
+                    // The color mask may have to be updated if the blend funcs change
+                    if (mUsingZeroColorMaskWorkaround)
+                    {
+                        mDirtyBits.set(DIRTY_BIT_COLOR_MASK);
+                    }
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_BLEND_EQUATIONS:
+            {
+                const gl::BlendState &blendState = state.getBlendState();
+                if (blendState.blendEquationRGB != mCurBlendState.blendEquationRGB ||
+                    blendState.blendEquationAlpha != mCurBlendState.blendEquationAlpha)
+                {
+                    mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
+
+                    // The color mask may have to be updated if the blend funcs change
+                    if (mUsingZeroColorMaskWorkaround)
+                    {
+                        mDirtyBits.set(DIRTY_BIT_COLOR_MASK);
+                    }
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED:
+                if (state.isSampleAlphaToCoverageEnabled() != mCurSampleAlphaToCoverage)
+                {
+                    mDirtyBits.set(DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_COLOR_MASK:
+            {
+                const gl::BlendState &blendState = state.getBlendState();
+                if (blendState.colorMaskRed != mCurBlendState.colorMaskRed ||
+                    blendState.colorMaskGreen != mCurBlendState.colorMaskGreen ||
+                    blendState.colorMaskBlue != mCurBlendState.colorMaskBlue ||
+                    blendState.colorMaskAlpha != mCurBlendState.colorMaskAlpha)
+                {
+                    mDirtyBits.set(DIRTY_BIT_COLOR_MASK);
+
+                    // The color mask can cause the blend state to get out of sync when using the
+                    // zero color mask workaround
+                    if (mUsingZeroColorMaskWorkaround)
+                    {
+                        mDirtyBits.set(DIRTY_BIT_BLEND_ENABLED);
+                        mDirtyBits.set(DIRTY_BIT_BLEND_FUNCS_EQUATIONS);
+                    }
+                }
+                break;
+            }
+            case gl::State::DIRTY_BIT_DITHER_ENABLED:
+                if (state.getRasterizerState().dither != mCurRasterState.dither)
+                {
+                    mDirtyBits.set(DIRTY_BIT_DITHER);
+                }
+                break;
+            case gl::State::DIRTY_BIT_BLEND_COLOR:
+                if (state.getBlendColor() != mCurBlendColor)
+                {
+                    mDirtyBits.set(DIRTY_BIT_BLEND_COLOR);
+                }
+                break;
+            case gl::State::DIRTY_BIT_CULL_FACE_ENABLED:
+                if (state.getRasterizerState().cullFace != mCurRasterState.cullFace)
+                {
+                    mDirtyBits.set(DIRTY_BIT_CULL_MODE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_CULL_FACE:
+                if (state.getRasterizerState().cullMode != mCurRasterState.cullMode)
+                {
+                    mDirtyBits.set(DIRTY_BIT_CULL_MODE);
+                }
+                break;
+            case gl::State::DIRTY_BIT_FRONT_FACE:
+                if (state.getRasterizerState().frontFace != mCurRasterState.frontFace)
+                {
+                    mDirtyBits.set(DIRTY_BIT_CULL_MODE);
+
+                    // Viewport state depends on rasterizer.frontface
+                    mDirtyBits.set(DIRTY_BIT_VIEWPORT);
+                }
+                break;
+            case gl::State::DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED:
+                if (state.getRasterizerState().polygonOffsetFill !=
+                    mCurRasterState.polygonOffsetFill)
+                {
+                    mDirtyBits.set(DIRTY_BIT_DEPTH_BIAS);
+                }
+                break;
+            case gl::State::DIRTY_BIT_POLYGON_OFFSET:
+            {
+                const gl::RasterizerState &rasterizerState = state.getRasterizerState();
+                if (rasterizerState.polygonOffsetFactor != mCurRasterState.polygonOffsetFactor ||
+                    rasterizerState.polygonOffsetUnits != mCurRasterState.polygonOffsetUnits)
+                {
+                    mDirtyBits.set(DIRTY_BIT_DEPTH_BIAS);
+                }
+                break;
+            }
+            // Depth and stencil redundant state changes are guarded in the
+            // frontend so for related cases here just set the dirty bit.
+            case gl::State::DIRTY_BIT_DEPTH_MASK:
+                if (state.getDepthStencilState().depthMask != mCurDepthStencilState.depthMask)
+                {
+                    mDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_MASK);
+                }
+                break;
+            case gl::State::DIRTY_BIT_DEPTH_TEST_ENABLED:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_FUNC);
+                break;
+            case gl::State::DIRTY_BIT_DEPTH_FUNC:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_DEPTH_FUNC);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_TEST_ENABLED:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_TEST_ENABLED);
+                // If we enable the stencil test, all of these must be set
+                mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_BACK);
+                mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_FRONT);
+                mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_FRONT);
+                mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_BACK);
+                mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_FRONT);
+                mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_BACK);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_FRONT);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_FUNCS_BACK);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_FRONT);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_BACK:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_WRITEMASK_BACK);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_OPS_FRONT:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_FRONT);
+                break;
+            case gl::State::DIRTY_BIT_STENCIL_OPS_BACK:
+                mDirtyBits.set(DIRTY_BIT_STENCIL_OPS_BACK);
+                break;
+            case gl::State::DIRTY_BIT_SCISSOR_TEST_ENABLED:
+                if (state.isScissorTestEnabled() != mCurScissorEnabled)
+                {
+                    mDirtyBits.set(DIRTY_BIT_SCISSOR_ENABLED);
+                    // If scissor is enabled, we have to set the scissor rect
+                    mDirtyBits.set(DIRTY_BIT_SCISSOR_RECT);
+                }
+                break;
+            case gl::State::DIRTY_BIT_SCISSOR:
+                if (state.getScissor() != mCurScissorRect)
+                {
+                    mDirtyBits.set(DIRTY_BIT_SCISSOR_RECT);
+                }
+                break;
+            case gl::State::DIRTY_BIT_DEPTH_RANGE:
+                mDirtyBits.set(DIRTY_BIT_VIEWPORT);
+                break;
+            case gl::State::DIRTY_BIT_VIEWPORT:
+                if (state.getViewport() != mCurViewport)
+                {
+                    mDirtyBits.set(DIRTY_BIT_VIEWPORT);
+                }
+                break;
+            default:
+                break;
+        }
+    }
+}
+
+void StateManager9::setBlendDepthRasterStates(const gl::State &glState, unsigned int sampleMask)
+{
+    const gl::Framebuffer *framebuffer = glState.getDrawFramebuffer();
+
+    const gl::BlendState &blendState       = glState.getBlendState();
+    const gl::ColorF &blendColor           = glState.getBlendColor();
+    const gl::RasterizerState &rasterState = glState.getRasterizerState();
+
+    const auto &depthStencilState = glState.getDepthStencilState();
+    bool frontFaceCCW             = (glState.getRasterizerState().frontFace == GL_CCW);
+    unsigned int maxStencil       = (1 << mCurStencilSize) - 1;
+
+    // All the depth stencil states depends on the front face ccw variable
+    if (frontFaceCCW != mCurFrontFaceCCW)
+    {
+        forceSetDepthStencilState();
+        mCurFrontFaceCCW = frontFaceCCW;
+    }
+
+    for (auto dirtyBit : mDirtyBits)
+    {
+        switch (dirtyBit)
+        {
+            case DIRTY_BIT_BLEND_ENABLED:
+                setBlendEnabled(blendState.blend);
+                break;
+            case DIRTY_BIT_BLEND_COLOR:
+                setBlendColor(blendState, blendColor);
+                break;
+            case DIRTY_BIT_BLEND_FUNCS_EQUATIONS:
+                setBlendFuncsEquations(blendState);
+                break;
+            case DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE:
+                setSampleAlphaToCoverage(glState.isSampleAlphaToCoverageEnabled());
+                break;
+            case DIRTY_BIT_COLOR_MASK:
+                setColorMask(framebuffer, blendState.colorMaskRed, blendState.colorMaskBlue,
+                             blendState.colorMaskGreen, blendState.colorMaskAlpha);
+                break;
+            case DIRTY_BIT_DITHER:
+                setDither(rasterState.dither);
+                break;
+            case DIRTY_BIT_CULL_MODE:
+                setCullMode(rasterState.cullFace, rasterState.cullMode, rasterState.frontFace);
+                break;
+            case DIRTY_BIT_DEPTH_BIAS:
+                setDepthBias(rasterState.polygonOffsetFill, rasterState.polygonOffsetFactor,
+                             rasterState.polygonOffsetUnits);
+                break;
+            case DIRTY_BIT_STENCIL_DEPTH_MASK:
+                setDepthMask(depthStencilState.depthMask);
+                break;
+            case DIRTY_BIT_STENCIL_DEPTH_FUNC:
+                setDepthFunc(depthStencilState.depthTest, depthStencilState.depthFunc);
+                break;
+            case DIRTY_BIT_STENCIL_TEST_ENABLED:
+                setStencilTestEnabled(depthStencilState.stencilTest);
+                break;
+            case DIRTY_BIT_STENCIL_FUNCS_FRONT:
+                setStencilFuncsFront(depthStencilState.stencilFunc, depthStencilState.stencilMask,
+                                     glState.getStencilRef(), frontFaceCCW, maxStencil);
+                break;
+            case DIRTY_BIT_STENCIL_FUNCS_BACK:
+                setStencilFuncsBack(depthStencilState.stencilBackFunc,
+                                    depthStencilState.stencilBackMask, glState.getStencilBackRef(),
+                                    frontFaceCCW, maxStencil);
+                break;
+            case DIRTY_BIT_STENCIL_WRITEMASK_FRONT:
+                setStencilWriteMask(depthStencilState.stencilWritemask, frontFaceCCW);
+                break;
+            case DIRTY_BIT_STENCIL_WRITEMASK_BACK:
+                setStencilBackWriteMask(depthStencilState.stencilBackWritemask, frontFaceCCW);
+                break;
+            case DIRTY_BIT_STENCIL_OPS_FRONT:
+                setStencilOpsFront(depthStencilState.stencilFail,
+                                   depthStencilState.stencilPassDepthFail,
+                                   depthStencilState.stencilPassDepthPass, frontFaceCCW);
+                break;
+            case DIRTY_BIT_STENCIL_OPS_BACK:
+                setStencilOpsBack(depthStencilState.stencilBackFail,
+                                  depthStencilState.stencilBackPassDepthFail,
+                                  depthStencilState.stencilBackPassDepthPass, frontFaceCCW);
+                break;
+            default:
+                break;
+        }
+    }
+
+    if (sampleMask != mCurSampleMask)
+    {
+        setSampleMask(sampleMask);
+    }
+}
+
+void StateManager9::setViewportState(const gl::Rectangle &viewport,
+                                     float zNear,
+                                     float zFar,
+                                     gl::PrimitiveMode drawMode,
+                                     GLenum frontFace,
+                                     bool ignoreViewport)
+{
+    if (!mDirtyBits.test(DIRTY_BIT_VIEWPORT) && mCurIgnoreViewport == ignoreViewport)
+        return;
+
+    gl::Rectangle actualViewport = viewport;
+    float actualZNear            = gl::clamp01(zNear);
+    float actualZFar             = gl::clamp01(zFar);
+
+    if (ignoreViewport)
+    {
+        actualViewport.x      = 0;
+        actualViewport.y      = 0;
+        actualViewport.width  = static_cast<int>(mRenderTargetBounds.width);
+        actualViewport.height = static_cast<int>(mRenderTargetBounds.height);
+        actualZNear           = 0.0f;
+        actualZFar            = 1.0f;
+    }
+
+    D3DVIEWPORT9 dxViewport;
+    dxViewport.X = gl::clamp(actualViewport.x, 0, static_cast<int>(mRenderTargetBounds.width));
+    dxViewport.Y = gl::clamp(actualViewport.y, 0, static_cast<int>(mRenderTargetBounds.height));
+    dxViewport.Width =
+        gl::clamp(actualViewport.width, 0,
+                  static_cast<int>(mRenderTargetBounds.width) - static_cast<int>(dxViewport.X));
+    dxViewport.Height =
+        gl::clamp(actualViewport.height, 0,
+                  static_cast<int>(mRenderTargetBounds.height) - static_cast<int>(dxViewport.Y));
+    dxViewport.MinZ = actualZNear;
+    dxViewport.MaxZ = actualZFar;
+
+    float depthFront = !gl::IsTriangleMode(drawMode) ? 0.0f : (frontFace == GL_CCW ? 1.0f : -1.0f);
+
+    mRenderer9->getDevice()->SetViewport(&dxViewport);
+
+    mCurViewport       = actualViewport;
+    mCurNear           = actualZNear;
+    mCurFar            = actualZFar;
+    mCurDepthFront     = depthFront;
+    mCurIgnoreViewport = ignoreViewport;
+
+    // Setting shader constants
+    dx_VertexConstants9 vc = {};
+    dx_PixelConstants9 pc  = {};
+
+    vc.viewAdjust[0] =
+        static_cast<float>((actualViewport.width - static_cast<int>(dxViewport.Width)) +
+                           2 * (actualViewport.x - static_cast<int>(dxViewport.X)) - 1) /
+        dxViewport.Width;
+    vc.viewAdjust[1] =
+        static_cast<float>((actualViewport.height - static_cast<int>(dxViewport.Height)) +
+                           2 * (actualViewport.y - static_cast<int>(dxViewport.Y)) - 1) /
+        dxViewport.Height;
+    vc.viewAdjust[2] = static_cast<float>(actualViewport.width) / dxViewport.Width;
+    vc.viewAdjust[3] = static_cast<float>(actualViewport.height) / dxViewport.Height;
+
+    pc.viewCoords[0] = actualViewport.width * 0.5f;
+    pc.viewCoords[1] = actualViewport.height * 0.5f;
+    pc.viewCoords[2] = actualViewport.x + (actualViewport.width * 0.5f);
+    pc.viewCoords[3] = actualViewport.y + (actualViewport.height * 0.5f);
+
+    pc.depthFront[0] = (actualZFar - actualZNear) * 0.5f;
+    pc.depthFront[1] = (actualZNear + actualZFar) * 0.5f;
+    pc.depthFront[2] = depthFront;
+
+    vc.depthRange[0] = actualZNear;
+    vc.depthRange[1] = actualZFar;
+    vc.depthRange[2] = actualZFar - actualZNear;
+
+    pc.depthRange[0] = actualZNear;
+    pc.depthRange[1] = actualZFar;
+    pc.depthRange[2] = actualZFar - actualZNear;
+
+    if (memcmp(&vc, &mVertexConstants, sizeof(dx_VertexConstants9)) != 0)
+    {
+        mVertexConstants = vc;
+        mDxUniformsDirty = true;
+    }
+
+    if (memcmp(&pc, &mPixelConstants, sizeof(dx_PixelConstants9)) != 0)
+    {
+        mPixelConstants  = pc;
+        mDxUniformsDirty = true;
+    }
+
+    mForceSetViewport = false;
+}
+
+void StateManager9::setShaderConstants()
+{
+    if (!mDxUniformsDirty)
+        return;
+
+    IDirect3DDevice9 *device = mRenderer9->getDevice();
+    device->SetVertexShaderConstantF(0, reinterpret_cast<float *>(&mVertexConstants),
+                                     sizeof(dx_VertexConstants9) / sizeof(float[4]));
+    device->SetPixelShaderConstantF(0, reinterpret_cast<float *>(&mPixelConstants),
+                                    sizeof(dx_PixelConstants9) / sizeof(float[4]));
+    mDxUniformsDirty = false;
+}
+
+// This is separate from the main state loop because other functions
+// outside call only setScissorState to update scissor state
+void StateManager9::setScissorState(const gl::Rectangle &scissor, bool enabled)
+{
+    if (mDirtyBits.test(DIRTY_BIT_SCISSOR_ENABLED))
+        setScissorEnabled(enabled);
+
+    if (mDirtyBits.test(DIRTY_BIT_SCISSOR_RECT))
+        setScissorRect(scissor, enabled);
+}
+
+void StateManager9::setRenderTargetBounds(size_t width, size_t height)
+{
+    mRenderTargetBounds.width  = (int)width;
+    mRenderTargetBounds.height = (int)height;
+    forceSetViewportState();
+}
+
+void StateManager9::setScissorEnabled(bool scissorEnabled)
+{
+    mRenderer9->getDevice()->SetRenderState(D3DRS_SCISSORTESTENABLE, scissorEnabled ? TRUE : FALSE);
+    mCurScissorEnabled = scissorEnabled;
+}
+
+void StateManager9::setScissorRect(const gl::Rectangle &scissor, bool enabled)
+{
+    if (!enabled)
+        return;
+
+    RECT rect;
+    rect.left = gl::clamp(scissor.x, 0, static_cast<int>(mRenderTargetBounds.width));
+    rect.top  = gl::clamp(scissor.y, 0, static_cast<int>(mRenderTargetBounds.height));
+    rect.right =
+        gl::clamp(scissor.x + scissor.width, 0, static_cast<int>(mRenderTargetBounds.width));
+    rect.bottom =
+        gl::clamp(scissor.y + scissor.height, 0, static_cast<int>(mRenderTargetBounds.height));
+    mRenderer9->getDevice()->SetScissorRect(&rect);
+}
+
+void StateManager9::setDepthFunc(bool depthTest, GLenum depthFunc)
+{
+    if (depthTest)
+    {
+        IDirect3DDevice9 *device = mRenderer9->getDevice();
+        device->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE);
+        device->SetRenderState(D3DRS_ZFUNC, gl_d3d9::ConvertComparison(depthFunc));
+    }
+    else
+    {
+        mRenderer9->getDevice()->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
+    }
+
+    mCurDepthStencilState.depthTest = depthTest;
+    mCurDepthStencilState.depthFunc = depthFunc;
+}
+
+void StateManager9::setStencilOpsFront(GLenum stencilFail,
+                                       GLenum stencilPassDepthFail,
+                                       GLenum stencilPassDepthPass,
+                                       bool frontFaceCCW)
+{
+    // TODO(dianx) It may be slightly more efficient todo these and other similar areas
+    // with separate dirty bits.
+    IDirect3DDevice9 *device = mRenderer9->getDevice();
+    device->SetRenderState(frontFaceCCW ? D3DRS_STENCILFAIL : D3DRS_CCW_STENCILFAIL,
+                           gl_d3d9::ConvertStencilOp(stencilFail));
+    device->SetRenderState(frontFaceCCW ? D3DRS_STENCILZFAIL : D3DRS_CCW_STENCILZFAIL,
+                           gl_d3d9::ConvertStencilOp(stencilPassDepthFail));
+    device->SetRenderState(frontFaceCCW ? D3DRS_STENCILPASS : D3DRS_CCW_STENCILPASS,
+                           gl_d3d9::ConvertStencilOp(stencilPassDepthPass));
+
+    mCurDepthStencilState.stencilFail          = stencilFail;
+    mCurDepthStencilState.stencilPassDepthFail = stencilPassDepthFail;
+    mCurDepthStencilState.stencilPassDepthPass = stencilPassDepthPass;
+}
+
+void StateManager9::setStencilOpsBack(GLenum stencilBackFail,
+                                      GLenum stencilBackPassDepthFail,
+                                      GLenum stencilBackPassDepthPass,
+                                      bool frontFaceCCW)
+{
+    IDirect3DDevice9 *device = mRenderer9->getDevice();
+    device->SetRenderState(!frontFaceCCW ? D3DRS_STENCILFAIL : D3DRS_CCW_STENCILFAIL,
+                           gl_d3d9::ConvertStencilOp(stencilBackFail));
+    device->SetRenderState(!frontFaceCCW ? D3DRS_STENCILZFAIL : D3DRS_CCW_STENCILZFAIL,
+                           gl_d3d9::ConvertStencilOp(stencilBackPassDepthFail));
+    device->SetRenderState(!frontFaceCCW ? D3DRS_STENCILPASS : D3DRS_CCW_STENCILPASS,
+                           gl_d3d9::ConvertStencilOp(stencilBackPassDepthPass));
+
+    mCurDepthStencilState.stencilBackFail          = stencilBackFail;
+    mCurDepthStencilState.stencilBackPassDepthFail = stencilBackPassDepthFail;
+    mCurDepthStencilState.stencilBackPassDepthPass = stencilBackPassDepthPass;
+}
+
+void StateManager9::setStencilBackWriteMask(GLuint stencilBackWriteMask, bool frontFaceCCW)
+{
+    mRenderer9->getDevice()->SetRenderState(
+        !frontFaceCCW ? D3DRS_STENCILWRITEMASK : D3DRS_CCW_STENCILWRITEMASK, stencilBackWriteMask);
+
+    mCurDepthStencilState.stencilBackWritemask = stencilBackWriteMask;
+}
+
+void StateManager9::setStencilFuncsBack(GLenum stencilBackFunc,
+                                        GLuint stencilBackMask,
+                                        GLint stencilBackRef,
+                                        bool frontFaceCCW,
+                                        unsigned int maxStencil)
+{
+    IDirect3DDevice9 *device = mRenderer9->getDevice();
+    device->SetRenderState(!frontFaceCCW ? D3DRS_STENCILFUNC : D3DRS_CCW_STENCILFUNC,
+                           gl_d3d9::ConvertComparison(stencilBackFunc));
+    device->SetRenderState(!frontFaceCCW ? D3DRS_STENCILREF : D3DRS_CCW_STENCILREF,
+                           (stencilBackRef < (int)maxStencil) ? stencilBackRef : maxStencil);
+    device->SetRenderState(!frontFaceCCW ? D3DRS_STENCILMASK : D3DRS_CCW_STENCILMASK,
+                           stencilBackMask);
+
+    mCurDepthStencilState.stencilBackFunc = stencilBackFunc;
+    mCurStencilBackRef                    = stencilBackRef;
+    mCurDepthStencilState.stencilBackMask = stencilBackMask;
+}
+
+void StateManager9::setStencilWriteMask(GLuint stencilWriteMask, bool frontFaceCCW)
+{
+    mRenderer9->getDevice()->SetRenderState(
+        frontFaceCCW ? D3DRS_STENCILWRITEMASK : D3DRS_CCW_STENCILWRITEMASK, stencilWriteMask);
+    mCurDepthStencilState.stencilWritemask = stencilWriteMask;
+}
+
+void StateManager9::setStencilFuncsFront(GLenum stencilFunc,
+                                         GLuint stencilMask,
+                                         GLint stencilRef,
+                                         bool frontFaceCCW,
+                                         unsigned int maxStencil)
+{
+    IDirect3DDevice9 *device = mRenderer9->getDevice();
+    device->SetRenderState(frontFaceCCW ? D3DRS_STENCILFUNC : D3DRS_CCW_STENCILFUNC,
+                           gl_d3d9::ConvertComparison(stencilFunc));
+    device->SetRenderState(frontFaceCCW ? D3DRS_STENCILREF : D3DRS_CCW_STENCILREF,
+                           (stencilRef < static_cast<int>(maxStencil)) ? stencilRef : maxStencil);
+    device->SetRenderState(frontFaceCCW ? D3DRS_STENCILMASK : D3DRS_CCW_STENCILMASK, stencilMask);
+
+    mCurDepthStencilState.stencilFunc = stencilFunc;
+    mCurStencilRef                    = stencilRef;
+    mCurDepthStencilState.stencilMask = stencilMask;
+}
+void StateManager9::setStencilTestEnabled(bool stencilTestEnabled)
+{
+    if (stencilTestEnabled && mCurStencilSize > 0)
+    {
+        mRenderer9->getDevice()->SetRenderState(D3DRS_STENCILENABLE, TRUE);
+        mRenderer9->getDevice()->SetRenderState(D3DRS_TWOSIDEDSTENCILMODE, TRUE);
+    }
+    else
+    {
+        mRenderer9->getDevice()->SetRenderState(D3DRS_STENCILENABLE, FALSE);
+    }
+
+    mCurDepthStencilState.stencilTest = stencilTestEnabled;
+}
+
+void StateManager9::setDepthMask(bool depthMask)
+{
+    mRenderer9->getDevice()->SetRenderState(D3DRS_ZWRITEENABLE, depthMask ? TRUE : FALSE);
+    mCurDepthStencilState.depthMask = depthMask;
+}
+
+// TODO(dianx) one bit for sampleAlphaToCoverage
+void StateManager9::setSampleAlphaToCoverage(bool enabled)
+{
+    if (enabled)
+    {
+        // D3D9 support for alpha-to-coverage is vendor-specific.
+        UNIMPLEMENTED();
+    }
+}
+
+void StateManager9::setBlendColor(const gl::BlendState &blendState, const gl::ColorF &blendColor)
+{
+    if (!blendState.blend)
+        return;
+
+    if (blendState.sourceBlendRGB != GL_CONSTANT_ALPHA &&
+        blendState.sourceBlendRGB != GL_ONE_MINUS_CONSTANT_ALPHA &&
+        blendState.destBlendRGB != GL_CONSTANT_ALPHA &&
+        blendState.destBlendRGB != GL_ONE_MINUS_CONSTANT_ALPHA)
+    {
+        mRenderer9->getDevice()->SetRenderState(D3DRS_BLENDFACTOR,
+                                                gl_d3d9::ConvertColor(blendColor));
+    }
+    else
+    {
+        mRenderer9->getDevice()->SetRenderState(
+            D3DRS_BLENDFACTOR,
+            D3DCOLOR_RGBA(gl::unorm<8>(blendColor.alpha), gl::unorm<8>(blendColor.alpha),
+                          gl::unorm<8>(blendColor.alpha), gl::unorm<8>(blendColor.alpha)));
+    }
+    mCurBlendColor = blendColor;
+}
+
+void StateManager9::setBlendFuncsEquations(const gl::BlendState &blendState)
+{
+    if (!blendState.blend)
+        return;
+
+    IDirect3DDevice9 *device = mRenderer9->getDevice();
+
+    device->SetRenderState(D3DRS_SRCBLEND, gl_d3d9::ConvertBlendFunc(blendState.sourceBlendRGB));
+    device->SetRenderState(D3DRS_DESTBLEND, gl_d3d9::ConvertBlendFunc(blendState.destBlendRGB));
+    device->SetRenderState(D3DRS_BLENDOP, gl_d3d9::ConvertBlendOp(blendState.blendEquationRGB));
+
+    if (blendState.sourceBlendRGB != blendState.sourceBlendAlpha ||
+        blendState.destBlendRGB != blendState.destBlendAlpha ||
+        blendState.blendEquationRGB != blendState.blendEquationAlpha)
+    {
+        device->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, TRUE);
+
+        device->SetRenderState(D3DRS_SRCBLENDALPHA,
+                               gl_d3d9::ConvertBlendFunc(blendState.sourceBlendAlpha));
+        device->SetRenderState(D3DRS_DESTBLENDALPHA,
+                               gl_d3d9::ConvertBlendFunc(blendState.destBlendAlpha));
+        device->SetRenderState(D3DRS_BLENDOPALPHA,
+                               gl_d3d9::ConvertBlendOp(blendState.blendEquationAlpha));
+    }
+    else
+    {
+        device->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, FALSE);
+    }
+
+    mCurBlendState.sourceBlendRGB     = blendState.sourceBlendRGB;
+    mCurBlendState.destBlendRGB       = blendState.destBlendRGB;
+    mCurBlendState.blendEquationRGB   = blendState.blendEquationRGB;
+    mCurBlendState.blendEquationAlpha = blendState.blendEquationAlpha;
+}
+
+void StateManager9::setBlendEnabled(bool enabled)
+{
+    mRenderer9->getDevice()->SetRenderState(D3DRS_ALPHABLENDENABLE, enabled ? TRUE : FALSE);
+    mCurBlendState.blend = enabled;
+}
+
+void StateManager9::setDither(bool dither)
+{
+    mRenderer9->getDevice()->SetRenderState(D3DRS_DITHERENABLE, dither ? TRUE : FALSE);
+    mCurRasterState.dither = dither;
+}
+
+// TODO(dianx) one bit for color mask
+void StateManager9::setColorMask(const gl::Framebuffer *framebuffer,
+                                 bool red,
+                                 bool blue,
+                                 bool green,
+                                 bool alpha)
+{
+    // Set the color mask
+
+    const auto *attachment = framebuffer->getFirstColorAttachment();
+    const auto &format     = attachment ? attachment->getFormat() : gl::Format::Invalid();
+
+    DWORD colorMask = gl_d3d9::ConvertColorMask(
+        format.info->redBits > 0 && red, format.info->greenBits > 0 && green,
+        format.info->blueBits > 0 && blue, format.info->alphaBits > 0 && alpha);
+
+    // Apparently some ATI cards have a bug where a draw with a zero color write mask can cause
+    // later draws to have incorrect results. Instead, set a nonzero color write mask but modify the
+    // blend state so that no drawing is done.
+    // http://anglebug.com/169
+    if (colorMask == 0 && mUsingZeroColorMaskWorkaround)
+    {
+        IDirect3DDevice9 *device = mRenderer9->getDevice();
+        // Enable green channel, but set blending so nothing will be drawn.
+        device->SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_GREEN);
+
+        device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
+
+        device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ZERO);
+        device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
+        device->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
+
+        mCurBlendState.colorMaskRed   = false;
+        mCurBlendState.colorMaskGreen = true;
+        mCurBlendState.colorMaskBlue  = false;
+        mCurBlendState.colorMaskAlpha = false;
+
+        mCurBlendState.blend              = true;
+        mCurBlendState.sourceBlendRGB     = GL_ZERO;
+        mCurBlendState.sourceBlendAlpha   = GL_ZERO;
+        mCurBlendState.destBlendRGB       = GL_ONE;
+        mCurBlendState.destBlendAlpha     = GL_ONE;
+        mCurBlendState.blendEquationRGB   = GL_FUNC_ADD;
+        mCurBlendState.blendEquationAlpha = GL_FUNC_ADD;
+    }
+    else
+    {
+        mRenderer9->getDevice()->SetRenderState(D3DRS_COLORWRITEENABLE, colorMask);
+
+        mCurBlendState.colorMaskRed   = red;
+        mCurBlendState.colorMaskGreen = green;
+        mCurBlendState.colorMaskBlue  = blue;
+        mCurBlendState.colorMaskAlpha = alpha;
+    }
+}
+
+void StateManager9::setSampleMask(unsigned int sampleMask)
+{
+    IDirect3DDevice9 *device = mRenderer9->getDevice();
+    // Set the multisample mask
+    device->SetRenderState(D3DRS_MULTISAMPLEANTIALIAS, TRUE);
+    device->SetRenderState(D3DRS_MULTISAMPLEMASK, static_cast<DWORD>(sampleMask));
+
+    mCurSampleMask = sampleMask;
+}
+
+void StateManager9::setCullMode(bool cullFace, gl::CullFaceMode cullMode, GLenum frontFace)
+{
+    if (cullFace)
+    {
+        mRenderer9->getDevice()->SetRenderState(D3DRS_CULLMODE,
+                                                gl_d3d9::ConvertCullMode(cullMode, frontFace));
+    }
+    else
+    {
+        mRenderer9->getDevice()->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+    }
+
+    mCurRasterState.cullFace  = cullFace;
+    mCurRasterState.cullMode  = cullMode;
+    mCurRasterState.frontFace = frontFace;
+}
+
+void StateManager9::setDepthBias(bool polygonOffsetFill,
+                                 GLfloat polygonOffsetFactor,
+                                 GLfloat polygonOffsetUnits)
+{
+    if (polygonOffsetFill)
+    {
+        if (mCurDepthSize > 0)
+        {
+            IDirect3DDevice9 *device = mRenderer9->getDevice();
+            device->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, *(DWORD *)&polygonOffsetFactor);
+
+            float depthBias = ldexp(polygonOffsetUnits, -static_cast<int>(mCurDepthSize));
+            device->SetRenderState(D3DRS_DEPTHBIAS, *(DWORD *)&depthBias);
+        }
+    }
+    else
+    {
+        IDirect3DDevice9 *device = mRenderer9->getDevice();
+        device->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, 0);
+        device->SetRenderState(D3DRS_DEPTHBIAS, 0);
+    }
+
+    mCurRasterState.polygonOffsetFill   = polygonOffsetFill;
+    mCurRasterState.polygonOffsetFactor = polygonOffsetFactor;
+    mCurRasterState.polygonOffsetUnits  = polygonOffsetUnits;
+}
+
+void StateManager9::updateDepthSizeIfChanged(bool depthStencilInitialized, unsigned int depthSize)
+{
+    if (!depthStencilInitialized || depthSize != mCurDepthSize)
+    {
+        mCurDepthSize = depthSize;
+        forceSetRasterState();
+    }
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/StateManager9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/StateManager9.h
new file mode 100644
index 0000000000..b047b69cdd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/StateManager9.h
@@ -0,0 +1,211 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// StateManager9.h: Defines a class for caching D3D9 state
+
+#ifndef LIBANGLE_RENDERER_D3D9_STATEMANAGER9_H_
+#define LIBANGLE_RENDERER_D3D9_STATEMANAGER9_H_
+
+#include "libANGLE/State.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+
+namespace rx
+{
+
+class Renderer9;
+
+struct dx_VertexConstants9
+{
+    float depthRange[4];
+    float viewAdjust[4];
+    float viewCoords[4];
+};
+
+struct dx_PixelConstants9
+{
+    float depthRange[4];
+    float viewCoords[4];
+    float depthFront[4];
+};
+
+class StateManager9 final : angle::NonCopyable
+{
+  public:
+    StateManager9(Renderer9 *renderer9);
+    ~StateManager9();
+
+    void initialize();
+
+    void syncState(const gl::State &state, const gl::State::DirtyBits &dirtyBits);
+
+    void setBlendDepthRasterStates(const gl::State &glState, unsigned int sampleMask);
+    void setScissorState(const gl::Rectangle &scissor, bool enabled);
+    void setViewportState(const gl::Rectangle &viewport,
+                          float zNear,
+                          float zFar,
+                          gl::PrimitiveMode drawMode,
+                          GLenum frontFace,
+                          bool ignoreViewport);
+
+    void setShaderConstants();
+
+    void forceSetBlendState();
+    void forceSetRasterState();
+    void forceSetDepthStencilState();
+    void forceSetScissorState();
+    void forceSetViewportState();
+    void forceSetDXUniformsState();
+
+    void updateDepthSizeIfChanged(bool depthStencilInitialized, unsigned int depthSize);
+    void updateStencilSizeIfChanged(bool depthStencilInitialized, unsigned int stencilSize);
+
+    void setRenderTargetBounds(size_t width, size_t height);
+
+    int getRenderTargetWidth() const { return mRenderTargetBounds.width; }
+    int getRenderTargetHeight() const { return mRenderTargetBounds.height; }
+
+    void setAllDirtyBits() { mDirtyBits.set(); }
+    void resetDirtyBits() { mDirtyBits.reset(); }
+
+  private:
+    // Blend state functions
+    void setBlendEnabled(bool enabled);
+    void setBlendColor(const gl::BlendState &blendState, const gl::ColorF &blendColor);
+    void setBlendFuncsEquations(const gl::BlendState &blendState);
+    void setColorMask(const gl::Framebuffer *framebuffer,
+                      bool red,
+                      bool blue,
+                      bool green,
+                      bool alpha);
+    void setSampleAlphaToCoverage(bool enabled);
+    void setDither(bool dither);
+    void setSampleMask(unsigned int sampleMask);
+
+    // Current raster state functions
+    void setCullMode(bool cullFace, gl::CullFaceMode cullMode, GLenum frontFace);
+    void setDepthBias(bool polygonOffsetFill,
+                      GLfloat polygonOffsetFactor,
+                      GLfloat polygonOffsetUnits);
+
+    // Depth stencil state functions
+    void setStencilOpsFront(GLenum stencilFail,
+                            GLenum stencilPassDepthFail,
+                            GLenum stencilPassDepthPass,
+                            bool frontFaceCCW);
+    void setStencilOpsBack(GLenum stencilBackFail,
+                           GLenum stencilBackPassDepthFail,
+                           GLenum stencilBackPassDepthPass,
+                           bool frontFaceCCW);
+    void setStencilBackWriteMask(GLuint stencilBackWriteMask, bool frontFaceCCW);
+    void setDepthFunc(bool depthTest, GLenum depthFunc);
+    void setStencilTestEnabled(bool enabled);
+    void setDepthMask(bool depthMask);
+    void setStencilFuncsFront(GLenum stencilFunc,
+                              GLuint stencilMask,
+                              GLint stencilRef,
+                              bool frontFaceCCW,
+                              unsigned int maxStencil);
+    void setStencilFuncsBack(GLenum stencilBackFunc,
+                             GLuint stencilBackMask,
+                             GLint stencilBackRef,
+                             bool frontFaceCCW,
+                             unsigned int maxStencil);
+    void setStencilWriteMask(GLuint stencilWriteMask, bool frontFaceCCW);
+
+    void setScissorEnabled(bool scissorEnabled);
+    void setScissorRect(const gl::Rectangle &scissor, bool enabled);
+
+    enum DirtyBitType
+    {
+        // Blend dirty bits
+        DIRTY_BIT_BLEND_ENABLED,
+        DIRTY_BIT_BLEND_COLOR,
+        DIRTY_BIT_BLEND_FUNCS_EQUATIONS,
+        DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE,
+        DIRTY_BIT_COLOR_MASK,
+        DIRTY_BIT_DITHER,
+        DIRTY_BIT_SAMPLE_MASK,
+
+        // Rasterizer dirty bits
+        DIRTY_BIT_CULL_MODE,
+        DIRTY_BIT_DEPTH_BIAS,
+
+        // Depth stencil dirty bits
+        DIRTY_BIT_STENCIL_DEPTH_MASK,
+        DIRTY_BIT_STENCIL_DEPTH_FUNC,
+        DIRTY_BIT_STENCIL_TEST_ENABLED,
+        DIRTY_BIT_STENCIL_FUNCS_FRONT,
+        DIRTY_BIT_STENCIL_FUNCS_BACK,
+        DIRTY_BIT_STENCIL_WRITEMASK_FRONT,
+        DIRTY_BIT_STENCIL_WRITEMASK_BACK,
+        DIRTY_BIT_STENCIL_OPS_FRONT,
+        DIRTY_BIT_STENCIL_OPS_BACK,
+
+        // Scissor dirty bits
+        DIRTY_BIT_SCISSOR_ENABLED,
+        DIRTY_BIT_SCISSOR_RECT,
+
+        // Viewport dirty bits
+        DIRTY_BIT_VIEWPORT,
+
+        DIRTY_BIT_MAX
+    };
+
+    using DirtyBits = angle::BitSet<DIRTY_BIT_MAX>;
+
+    bool mUsingZeroColorMaskWorkaround;
+
+    bool mCurSampleAlphaToCoverage;
+
+    // Currently applied blend state
+    gl::BlendState mCurBlendState;
+    gl::ColorF mCurBlendColor;
+    unsigned int mCurSampleMask;
+    DirtyBits mBlendStateDirtyBits;
+
+    // Currently applied raster state
+    gl::RasterizerState mCurRasterState;
+    unsigned int mCurDepthSize;
+    DirtyBits mRasterizerStateDirtyBits;
+
+    // Currently applied depth stencil state
+    gl::DepthStencilState mCurDepthStencilState;
+    int mCurStencilRef;
+    int mCurStencilBackRef;
+    bool mCurFrontFaceCCW;
+    unsigned int mCurStencilSize;
+    DirtyBits mDepthStencilStateDirtyBits;
+
+    // Currently applied scissor states
+    gl::Rectangle mCurScissorRect;
+    bool mCurScissorEnabled;
+    gl::Extents mRenderTargetBounds;
+    DirtyBits mScissorStateDirtyBits;
+
+    // Currently applied viewport states
+    bool mForceSetViewport;
+    gl::Rectangle mCurViewport;
+    float mCurNear;
+    float mCurFar;
+    float mCurDepthFront;
+    bool mCurIgnoreViewport;
+
+    dx_VertexConstants9 mVertexConstants;
+    dx_PixelConstants9 mPixelConstants;
+    bool mDxUniformsDirty;
+
+    // FIXME: Unsupported by D3D9
+    static const D3DRENDERSTATETYPE D3DRS_CCW_STENCILREF       = D3DRS_STENCILREF;
+    static const D3DRENDERSTATETYPE D3DRS_CCW_STENCILMASK      = D3DRS_STENCILMASK;
+    static const D3DRENDERSTATETYPE D3DRS_CCW_STENCILWRITEMASK = D3DRS_STENCILWRITEMASK;
+
+    Renderer9 *mRenderer9;
+    DirtyBits mDirtyBits;
+};
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_D3D9_STATEMANAGER9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/SwapChain9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/SwapChain9.cpp
new file mode 100644
index 0000000000..c8abac7a57
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/SwapChain9.cpp
@@ -0,0 +1,472 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SwapChain9.cpp: Implements a back-end specific class for the D3D9 swap chain.
+
+#include "libANGLE/renderer/d3d/d3d9/SwapChain9.h"
+
+#include "libANGLE/features.h"
+#include "libANGLE/renderer/d3d/d3d9/NativeWindow9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+
+SwapChain9::SwapChain9(Renderer9 *renderer,
+                       NativeWindow9 *nativeWindow,
+                       HANDLE shareHandle,
+                       IUnknown *d3dTexture,
+                       GLenum backBufferFormat,
+                       GLenum depthBufferFormat,
+                       EGLint orientation)
+    : SwapChainD3D(shareHandle, d3dTexture, backBufferFormat, depthBufferFormat),
+      mRenderer(renderer),
+      mWidth(-1),
+      mHeight(-1),
+      mSwapInterval(-1),
+      mNativeWindow(nativeWindow),
+      mSwapChain(nullptr),
+      mBackBuffer(nullptr),
+      mRenderTarget(nullptr),
+      mDepthStencil(nullptr),
+      mOffscreenTexture(nullptr),
+      mColorRenderTarget(this, false),
+      mDepthStencilRenderTarget(this, true)
+{
+    ASSERT(orientation == 0);
+}
+
+SwapChain9::~SwapChain9()
+{
+    release();
+}
+
+void SwapChain9::release()
+{
+    SafeRelease(mSwapChain);
+    SafeRelease(mBackBuffer);
+    SafeRelease(mDepthStencil);
+    SafeRelease(mRenderTarget);
+    SafeRelease(mOffscreenTexture);
+
+    if (mNativeWindow->getNativeWindow())
+    {
+        mShareHandle = nullptr;
+    }
+}
+
+static DWORD convertInterval(EGLint interval)
+{
+#if ANGLE_VSYNC == ANGLE_DISABLED
+    return D3DPRESENT_INTERVAL_IMMEDIATE;
+#else
+    switch (interval)
+    {
+        case 0:
+            return D3DPRESENT_INTERVAL_IMMEDIATE;
+        case 1:
+            return D3DPRESENT_INTERVAL_ONE;
+        case 2:
+            return D3DPRESENT_INTERVAL_TWO;
+        case 3:
+            return D3DPRESENT_INTERVAL_THREE;
+        case 4:
+            return D3DPRESENT_INTERVAL_FOUR;
+        default:
+            UNREACHABLE();
+    }
+
+    return D3DPRESENT_INTERVAL_DEFAULT;
+#endif
+}
+
+EGLint SwapChain9::resize(DisplayD3D *displayD3D, int backbufferWidth, int backbufferHeight)
+{
+    // D3D9 does not support resizing swap chains without recreating them
+    return reset(displayD3D, backbufferWidth, backbufferHeight, mSwapInterval);
+}
+
+EGLint SwapChain9::reset(DisplayD3D *displayD3D,
+                         int backbufferWidth,
+                         int backbufferHeight,
+                         EGLint swapInterval)
+{
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    if (device == nullptr)
+    {
+        return EGL_BAD_ACCESS;
+    }
+
+    // Evict all non-render target textures to system memory and release all resources
+    // before reallocating them to free up as much video memory as possible.
+    device->EvictManagedResources();
+
+    HRESULT result;
+
+    // Release specific resources to free up memory for the new render target, while the
+    // old render target still exists for the purpose of preserving its contents.
+    SafeRelease(mSwapChain);
+    SafeRelease(mBackBuffer);
+    SafeRelease(mOffscreenTexture);
+    SafeRelease(mDepthStencil);
+
+    const d3d9::TextureFormat &backBufferd3dFormatInfo =
+        d3d9::GetTextureFormatInfo(mOffscreenRenderTargetFormat);
+    if (mD3DTexture != nullptr)
+    {
+        result = mD3DTexture->QueryInterface(&mOffscreenTexture);
+        ASSERT(SUCCEEDED(result));
+    }
+    else
+    {
+        HANDLE *pShareHandle = nullptr;
+        if (!mNativeWindow->getNativeWindow() && mRenderer->getShareHandleSupport())
+        {
+            pShareHandle = &mShareHandle;
+        }
+
+        result = device->CreateTexture(backbufferWidth, backbufferHeight, 1, D3DUSAGE_RENDERTARGET,
+                                       backBufferd3dFormatInfo.texFormat, D3DPOOL_DEFAULT,
+                                       &mOffscreenTexture, pShareHandle);
+        if (FAILED(result))
+        {
+            ERR() << "Could not create offscreen texture, " << gl::FmtHR(result);
+            release();
+
+            if (d3d9::isDeviceLostError(result))
+            {
+                return EGL_CONTEXT_LOST;
+            }
+            else
+            {
+                return EGL_BAD_ALLOC;
+            }
+        }
+    }
+
+    IDirect3DSurface9 *oldRenderTarget = mRenderTarget;
+
+    result = mOffscreenTexture->GetSurfaceLevel(0, &mRenderTarget);
+    ASSERT(SUCCEEDED(result));
+
+    if (oldRenderTarget)
+    {
+        RECT rect = {0, 0, mWidth, mHeight};
+
+        if (rect.right > static_cast<LONG>(backbufferWidth))
+        {
+            rect.right = backbufferWidth;
+        }
+
+        if (rect.bottom > static_cast<LONG>(backbufferHeight))
+        {
+            rect.bottom = backbufferHeight;
+        }
+
+        mRenderer->endScene();
+
+        result = device->StretchRect(oldRenderTarget, &rect, mRenderTarget, &rect, D3DTEXF_NONE);
+        ASSERT(SUCCEEDED(result));
+
+        SafeRelease(oldRenderTarget);
+    }
+
+    const d3d9::TextureFormat &depthBufferd3dFormatInfo =
+        d3d9::GetTextureFormatInfo(mDepthBufferFormat);
+
+    // Don't create a swapchain for NULLREF devices
+    D3DDEVTYPE deviceType      = mRenderer->getD3D9DeviceType();
+    EGLNativeWindowType window = mNativeWindow->getNativeWindow();
+    if (window && deviceType != D3DDEVTYPE_NULLREF)
+    {
+        D3DPRESENT_PARAMETERS presentParameters  = {};
+        presentParameters.AutoDepthStencilFormat = depthBufferd3dFormatInfo.renderFormat;
+        presentParameters.BackBufferCount        = 1;
+        presentParameters.BackBufferFormat       = backBufferd3dFormatInfo.renderFormat;
+        presentParameters.EnableAutoDepthStencil = FALSE;
+        presentParameters.Flags                  = 0;
+        presentParameters.hDeviceWindow          = window;
+        presentParameters.MultiSampleQuality     = 0;                    // FIXME: Unimplemented
+        presentParameters.MultiSampleType        = D3DMULTISAMPLE_NONE;  // FIXME: Unimplemented
+        presentParameters.PresentationInterval   = convertInterval(swapInterval);
+        presentParameters.SwapEffect             = D3DSWAPEFFECT_DISCARD;
+        presentParameters.Windowed               = TRUE;
+        presentParameters.BackBufferWidth        = backbufferWidth;
+        presentParameters.BackBufferHeight       = backbufferHeight;
+
+        // http://crbug.com/140239
+        // http://crbug.com/143434
+        //
+        // Some AMD/Intel switchable systems / drivers appear to round swap chain surfaces to a
+        // multiple of 64 pixels in width when using the integrated Intel. This rounds the width up
+        // rather than down.
+        //
+        // Some non-switchable AMD GPUs / drivers do not respect the source rectangle to Present.
+        // Therefore, when the vendor ID is not Intel, the back buffer width must be exactly the
+        // same width as the window or horizontal scaling will occur.
+        if (IsIntel(mRenderer->getVendorId()))
+        {
+            presentParameters.BackBufferWidth = (presentParameters.BackBufferWidth + 63) / 64 * 64;
+        }
+
+        result = device->CreateAdditionalSwapChain(&presentParameters, &mSwapChain);
+
+        if (FAILED(result))
+        {
+            ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY ||
+                   result == D3DERR_INVALIDCALL || result == D3DERR_DEVICELOST);
+
+            ERR() << "Could not create additional swap chains or offscreen surfaces, "
+                  << gl::FmtHR(result);
+            release();
+
+            if (d3d9::isDeviceLostError(result))
+            {
+                return EGL_CONTEXT_LOST;
+            }
+            else
+            {
+                return EGL_BAD_ALLOC;
+            }
+        }
+
+        result = mSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mBackBuffer);
+        ASSERT(SUCCEEDED(result));
+        InvalidateRect(window, nullptr, FALSE);
+    }
+
+    if (mDepthBufferFormat != GL_NONE)
+    {
+        result = device->CreateDepthStencilSurface(
+            backbufferWidth, backbufferHeight, depthBufferd3dFormatInfo.renderFormat,
+            D3DMULTISAMPLE_NONE, 0, FALSE, &mDepthStencil, nullptr);
+
+        if (FAILED(result))
+        {
+            ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY ||
+                   result == D3DERR_INVALIDCALL);
+
+            ERR() << "Could not create depthstencil surface for new swap chain, "
+                  << gl::FmtHR(result);
+            release();
+
+            if (d3d9::isDeviceLostError(result))
+            {
+                return EGL_CONTEXT_LOST;
+            }
+            else
+            {
+                return EGL_BAD_ALLOC;
+            }
+        }
+    }
+
+    mWidth        = backbufferWidth;
+    mHeight       = backbufferHeight;
+    mSwapInterval = swapInterval;
+
+    return EGL_SUCCESS;
+}
+
+// parameters should be validated/clamped by caller
+EGLint SwapChain9::swapRect(DisplayD3D *displayD3D, EGLint x, EGLint y, EGLint width, EGLint height)
+{
+    if (!mSwapChain)
+    {
+        return EGL_SUCCESS;
+    }
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+
+    // Disable all pipeline operations
+    device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
+    device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
+    device->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE);
+    device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
+    device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+    device->SetRenderState(D3DRS_STENCILENABLE, FALSE);
+    device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0);
+    device->SetRenderState(D3DRS_COLORWRITEENABLE,
+                           D3DCOLORWRITEENABLE_ALPHA | D3DCOLORWRITEENABLE_BLUE |
+                               D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_RED);
+    device->SetRenderState(D3DRS_SRGBWRITEENABLE, FALSE);
+    device->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
+    device->SetPixelShader(nullptr);
+    device->SetVertexShader(nullptr);
+
+    device->SetRenderTarget(0, mBackBuffer);
+    device->SetDepthStencilSurface(nullptr);
+
+    device->SetTexture(0, mOffscreenTexture);
+    device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
+    device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
+    device->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
+    device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
+    device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
+    device->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
+    device->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
+    device->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1);
+
+    for (UINT streamIndex = 0; streamIndex < gl::MAX_VERTEX_ATTRIBS; streamIndex++)
+    {
+        device->SetStreamSourceFreq(streamIndex, 1);
+    }
+
+    D3DVIEWPORT9 viewport = {0,    0,   static_cast<DWORD>(mWidth), static_cast<DWORD>(mHeight),
+                             0.0f, 1.0f};
+    device->SetViewport(&viewport);
+
+    float x1 = x - 0.5f;
+    float y1 = (mHeight - y - height) - 0.5f;
+    float x2 = (x + width) - 0.5f;
+    float y2 = (mHeight - y) - 0.5f;
+
+    float u1 = x / float(mWidth);
+    float v1 = y / float(mHeight);
+    float u2 = (x + width) / float(mWidth);
+    float v2 = (y + height) / float(mHeight);
+
+    float quad[4][6] = {{x1, y1, 0.0f, 1.0f, u1, v2},
+                        {x2, y1, 0.0f, 1.0f, u2, v2},
+                        {x2, y2, 0.0f, 1.0f, u2, v1},
+                        {x1, y2, 0.0f, 1.0f, u1, v1}};  // x, y, z, rhw, u, v
+
+    mRenderer->startScene();
+    device->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, 2, quad, 6 * sizeof(float));
+    mRenderer->endScene();
+
+    device->SetTexture(0, nullptr);
+
+    RECT rect = {static_cast<LONG>(x), static_cast<LONG>(mHeight - y - height),
+                 static_cast<LONG>(x + width), static_cast<LONG>(mHeight - y)};
+
+    HRESULT result = mSwapChain->Present(&rect, &rect, nullptr, nullptr, 0);
+
+    mRenderer->markAllStateDirty();
+
+    if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY ||
+        result == D3DERR_DRIVERINTERNALERROR)
+    {
+        return EGL_BAD_ALLOC;
+    }
+
+    // On Windows 8 systems, IDirect3DSwapChain9::Present sometimes returns 0x88760873 when the
+    // windows is in the process of entering/exiting fullscreen. This code doesn't seem to have any
+    // documentation.  The device appears to be ok after emitting this error so simply return a
+    // failure to swap.
+    if (result == static_cast<HRESULT>(0x88760873) || result == static_cast<HRESULT>(0x88760872))
+    {
+        return EGL_BAD_MATCH;
+    }
+
+    // http://crbug.com/313210
+    // If our swap failed, trigger a device lost event. Resetting will work around an AMD-specific
+    // device removed bug with lost contexts when reinstalling drivers.
+    if (FAILED(result))
+    {
+        mRenderer->notifyDeviceLost();
+        return EGL_CONTEXT_LOST;
+    }
+
+    return EGL_SUCCESS;
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+// TODO: remove the AddRef to match SwapChain11
+IDirect3DSurface9 *SwapChain9::getRenderTarget()
+{
+    if (mRenderTarget)
+    {
+        mRenderTarget->AddRef();
+    }
+
+    return mRenderTarget;
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+// TODO: remove the AddRef to match SwapChain11
+IDirect3DSurface9 *SwapChain9::getDepthStencil()
+{
+    if (mDepthStencil)
+    {
+        mDepthStencil->AddRef();
+    }
+
+    return mDepthStencil;
+}
+
+// Increments refcount on texture.
+// caller must Release() the returned texture
+// TODO: remove the AddRef to match SwapChain11
+IDirect3DTexture9 *SwapChain9::getOffscreenTexture()
+{
+    if (mOffscreenTexture)
+    {
+        mOffscreenTexture->AddRef();
+    }
+
+    return mOffscreenTexture;
+}
+
+void *SwapChain9::getKeyedMutex()
+{
+    UNREACHABLE();
+    return nullptr;
+}
+
+egl::Error SwapChain9::getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc)
+{
+    UNREACHABLE();
+    return egl::EglBadSurface();
+}
+
+void SwapChain9::recreate()
+{
+    if (!mSwapChain)
+    {
+        return;
+    }
+
+    IDirect3DDevice9 *device = mRenderer->getDevice();
+    if (device == nullptr)
+    {
+        return;
+    }
+
+    D3DPRESENT_PARAMETERS presentParameters;
+    HRESULT result = mSwapChain->GetPresentParameters(&presentParameters);
+    ASSERT(SUCCEEDED(result));
+
+    IDirect3DSwapChain9 *newSwapChain = nullptr;
+    result = device->CreateAdditionalSwapChain(&presentParameters, &newSwapChain);
+    if (FAILED(result))
+    {
+        return;
+    }
+
+    SafeRelease(mSwapChain);
+    mSwapChain = newSwapChain;
+
+    SafeRelease(mBackBuffer);
+    result = mSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mBackBuffer);
+    ASSERT(SUCCEEDED(result));
+}
+
+RenderTargetD3D *SwapChain9::getColorRenderTarget()
+{
+    return &mColorRenderTarget;
+}
+
+RenderTargetD3D *SwapChain9::getDepthStencilRenderTarget()
+{
+    return &mDepthStencilRenderTarget;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/SwapChain9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/SwapChain9.h
new file mode 100644
index 0000000000..2b3176967d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/SwapChain9.h
@@ -0,0 +1,80 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SwapChain9.h: Defines a back-end specific class for the D3D9 swap chain.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_SWAPCHAIN9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_SWAPCHAIN9_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/renderer/d3d/SwapChainD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+
+namespace rx
+{
+class NativeWindow9;
+class Renderer9;
+
+class SwapChain9 : public SwapChainD3D
+{
+  public:
+    SwapChain9(Renderer9 *renderer,
+               NativeWindow9 *nativeWindow,
+               HANDLE shareHandle,
+               IUnknown *d3dTexture,
+               GLenum backBufferFormat,
+               GLenum depthBufferFormat,
+               EGLint orientation);
+    ~SwapChain9() override;
+
+    EGLint resize(DisplayD3D *displayD3D, EGLint backbufferWidth, EGLint backbufferHeight) override;
+    EGLint reset(DisplayD3D *displayD3D,
+                 EGLint backbufferWidth,
+                 EGLint backbufferHeight,
+                 EGLint swapInterval) override;
+    EGLint swapRect(DisplayD3D *displayD3D,
+                    EGLint x,
+                    EGLint y,
+                    EGLint width,
+                    EGLint height) override;
+    void recreate() override;
+
+    RenderTargetD3D *getColorRenderTarget() override;
+    RenderTargetD3D *getDepthStencilRenderTarget() override;
+
+    virtual IDirect3DSurface9 *getRenderTarget();
+    virtual IDirect3DSurface9 *getDepthStencil();
+    virtual IDirect3DTexture9 *getOffscreenTexture();
+
+    EGLint getWidth() const { return mWidth; }
+    EGLint getHeight() const { return mHeight; }
+
+    void *getKeyedMutex() override;
+
+    egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) override;
+
+  private:
+    void release();
+
+    Renderer9 *mRenderer;
+    EGLint mWidth;
+    EGLint mHeight;
+    EGLint mSwapInterval;
+
+    NativeWindow9 *mNativeWindow;
+
+    IDirect3DSwapChain9 *mSwapChain;
+    IDirect3DSurface9 *mBackBuffer;
+    IDirect3DSurface9 *mRenderTarget;
+    IDirect3DSurface9 *mDepthStencil;
+    IDirect3DTexture9 *mOffscreenTexture;
+
+    SurfaceRenderTarget9 mColorRenderTarget;
+    SurfaceRenderTarget9 mDepthStencilRenderTarget;
+};
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_SWAPCHAIN9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/TextureStorage9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/TextureStorage9.cpp
new file mode 100644
index 0000000000..b2fea07fd5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/TextureStorage9.cpp
@@ -0,0 +1,575 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureStorage9.cpp: Implements the abstract rx::TextureStorage9 class and its concrete derived
+// classes TextureStorage9_2D and TextureStorage9_Cube, which act as the interface to the
+// D3D9 texture.
+
+#include "libANGLE/renderer/d3d/d3d9/TextureStorage9.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/SwapChain9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+TextureStorage9::TextureStorage9(Renderer9 *renderer, DWORD usage, const std::string &label)
+    : TextureStorage(label),
+      mTopLevel(0),
+      mMipLevels(0),
+      mTextureWidth(0),
+      mTextureHeight(0),
+      mInternalFormat(GL_NONE),
+      mTextureFormat(D3DFMT_UNKNOWN),
+      mRenderer(renderer),
+      mD3DUsage(usage),
+      mD3DPool(mRenderer->getTexturePool(usage))
+{}
+
+TextureStorage9::~TextureStorage9() {}
+
+DWORD TextureStorage9::GetTextureUsage(GLenum internalformat, bool renderTarget)
+{
+    DWORD d3dusage = 0;
+
+    const gl::InternalFormat &formatInfo     = gl::GetSizedInternalFormatInfo(internalformat);
+    const d3d9::TextureFormat &d3dFormatInfo = d3d9::GetTextureFormatInfo(internalformat);
+    if (formatInfo.depthBits > 0 || formatInfo.stencilBits > 0)
+    {
+        d3dusage |= D3DUSAGE_DEPTHSTENCIL;
+    }
+    else if (renderTarget && (d3dFormatInfo.renderFormat != D3DFMT_UNKNOWN))
+    {
+        d3dusage |= D3DUSAGE_RENDERTARGET;
+    }
+
+    return d3dusage;
+}
+
+bool TextureStorage9::isRenderTarget() const
+{
+    return (mD3DUsage & (D3DUSAGE_RENDERTARGET | D3DUSAGE_DEPTHSTENCIL)) != 0;
+}
+
+bool TextureStorage9::isManaged() const
+{
+    return (mD3DPool == D3DPOOL_MANAGED);
+}
+
+bool TextureStorage9::supportsNativeMipmapFunction() const
+{
+    return false;
+}
+
+D3DPOOL TextureStorage9::getPool() const
+{
+    return mD3DPool;
+}
+
+DWORD TextureStorage9::getUsage() const
+{
+    return mD3DUsage;
+}
+
+int TextureStorage9::getTopLevel() const
+{
+    return mTopLevel;
+}
+
+int TextureStorage9::getLevelCount() const
+{
+    return static_cast<int>(mMipLevels) - mTopLevel;
+}
+
+angle::Result TextureStorage9::setData(const gl::Context *context,
+                                       const gl::ImageIndex &index,
+                                       ImageD3D *image,
+                                       const gl::Box *destBox,
+                                       GLenum type,
+                                       const gl::PixelUnpackState &unpack,
+                                       const uint8_t *pixelData)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+TextureStorage9_2D::TextureStorage9_2D(Renderer9 *renderer,
+                                       SwapChain9 *swapchain,
+                                       const std::string &label)
+    : TextureStorage9(renderer, D3DUSAGE_RENDERTARGET, label)
+{
+    IDirect3DTexture9 *surfaceTexture = swapchain->getOffscreenTexture();
+    mTexture                          = surfaceTexture;
+    mMipLevels                        = surfaceTexture->GetLevelCount();
+
+    mInternalFormat = swapchain->getRenderTargetInternalFormat();
+
+    D3DSURFACE_DESC surfaceDesc;
+    surfaceTexture->GetLevelDesc(0, &surfaceDesc);
+    mTextureWidth  = surfaceDesc.Width;
+    mTextureHeight = surfaceDesc.Height;
+    mTextureFormat = surfaceDesc.Format;
+
+    mRenderTargets.resize(mMipLevels, nullptr);
+}
+
+TextureStorage9_2D::TextureStorage9_2D(Renderer9 *renderer,
+                                       GLenum internalformat,
+                                       bool renderTarget,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       int levels,
+                                       const std::string &label)
+    : TextureStorage9(renderer, GetTextureUsage(internalformat, renderTarget), label)
+{
+    mTexture = nullptr;
+
+    mInternalFormat = internalformat;
+
+    const d3d9::TextureFormat &d3dFormatInfo = d3d9::GetTextureFormatInfo(internalformat);
+    mTextureFormat                           = d3dFormatInfo.texFormat;
+
+    d3d9::MakeValidSize(false, d3dFormatInfo.texFormat, &width, &height, &mTopLevel);
+    mTextureWidth  = width;
+    mTextureHeight = height;
+    mMipLevels     = mTopLevel + levels;
+
+    mRenderTargets.resize(levels, nullptr);
+}
+
+TextureStorage9_2D::~TextureStorage9_2D()
+{
+    SafeRelease(mTexture);
+    for (RenderTargetD3D *renderTarget : mRenderTargets)
+    {
+        SafeDelete(renderTarget);
+    }
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+angle::Result TextureStorage9_2D::getSurfaceLevel(const gl::Context *context,
+                                                  gl::TextureTarget target,
+                                                  int level,
+                                                  bool dirty,
+                                                  IDirect3DSurface9 **outSurface)
+{
+    ASSERT(target == gl::TextureTarget::_2D);
+
+    IDirect3DBaseTexture9 *baseTexture = nullptr;
+    ANGLE_TRY(getBaseTexture(context, &baseTexture));
+
+    IDirect3DTexture9 *texture = static_cast<IDirect3DTexture9 *>(baseTexture);
+
+    HRESULT result = texture->GetSurfaceLevel(level + mTopLevel, outSurface);
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to get the surface from a texture");
+
+    // With managed textures the driver needs to be informed of updates to the lower mipmap levels
+    if (level + mTopLevel != 0 && isManaged() && dirty)
+    {
+        texture->AddDirtyRect(nullptr);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_2D::findRenderTarget(const gl::Context *context,
+                                                   const gl::ImageIndex &index,
+                                                   GLsizei samples,
+                                                   RenderTargetD3D **outRT) const
+{
+    ASSERT(index.getLevelIndex() < getLevelCount());
+
+    ASSERT(outRT);
+    *outRT = mRenderTargets[index.getLevelIndex()];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_2D::getRenderTarget(const gl::Context *context,
+                                                  const gl::ImageIndex &index,
+                                                  GLsizei samples,
+                                                  RenderTargetD3D **outRT)
+{
+    ASSERT(index.getLevelIndex() < getLevelCount());
+
+    if (!mRenderTargets[index.getLevelIndex()] && isRenderTarget())
+    {
+        IDirect3DBaseTexture9 *baseTexture = nullptr;
+        ANGLE_TRY(getBaseTexture(context, &baseTexture));
+
+        IDirect3DSurface9 *surface = nullptr;
+        ANGLE_TRY(getSurfaceLevel(context, gl::TextureTarget::_2D, index.getLevelIndex(), false,
+                                  &surface));
+
+        size_t textureMipLevel = mTopLevel + index.getLevelIndex();
+        size_t mipWidth        = std::max<size_t>(mTextureWidth >> textureMipLevel, 1u);
+        size_t mipHeight       = std::max<size_t>(mTextureHeight >> textureMipLevel, 1u);
+
+        baseTexture->AddRef();
+        mRenderTargets[index.getLevelIndex()] = new TextureRenderTarget9(
+            baseTexture, textureMipLevel, surface, mInternalFormat, static_cast<GLsizei>(mipWidth),
+            static_cast<GLsizei>(mipHeight), 1, 0);
+    }
+
+    ASSERT(outRT);
+    *outRT = mRenderTargets[index.getLevelIndex()];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_2D::generateMipmap(const gl::Context *context,
+                                                 const gl::ImageIndex &sourceIndex,
+                                                 const gl::ImageIndex &destIndex)
+{
+    angle::ComPtr<IDirect3DSurface9> upper = nullptr;
+    ANGLE_TRY(getSurfaceLevel(context, gl::TextureTarget::_2D, sourceIndex.getLevelIndex(), false,
+                              &upper));
+
+    angle::ComPtr<IDirect3DSurface9> lower = nullptr;
+    ANGLE_TRY(
+        getSurfaceLevel(context, gl::TextureTarget::_2D, destIndex.getLevelIndex(), true, &lower));
+
+    ASSERT(upper && lower);
+    return mRenderer->boxFilter(GetImplAs<Context9>(context), upper.Get(), lower.Get());
+}
+
+angle::Result TextureStorage9_2D::getBaseTexture(const gl::Context *context,
+                                                 IDirect3DBaseTexture9 **outTexture)
+{
+    // if the width or height is not positive this should be treated as an incomplete texture
+    // we handle that here by skipping the d3d texture creation
+    if (mTexture == nullptr && mTextureWidth > 0 && mTextureHeight > 0)
+    {
+        ASSERT(mMipLevels > 0);
+
+        IDirect3DDevice9 *device = mRenderer->getDevice();
+        HRESULT result           = device->CreateTexture(static_cast<unsigned int>(mTextureWidth),
+                                               static_cast<unsigned int>(mTextureHeight),
+                                               static_cast<unsigned int>(mMipLevels), getUsage(),
+                                               mTextureFormat, getPool(), &mTexture, nullptr);
+        ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to create 2D storage texture");
+    }
+
+    *outTexture = mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_2D::copyToStorage(const gl::Context *context,
+                                                TextureStorage *destStorage)
+{
+    ASSERT(destStorage);
+
+    TextureStorage9_2D *dest9 = GetAs<TextureStorage9_2D>(destStorage);
+
+    int levels = getLevelCount();
+    for (int i = 0; i < levels; ++i)
+    {
+        angle::ComPtr<IDirect3DSurface9> srcSurf = nullptr;
+        ANGLE_TRY(getSurfaceLevel(context, gl::TextureTarget::_2D, i, false, &srcSurf));
+
+        angle::ComPtr<IDirect3DSurface9> dstSurf = nullptr;
+        ANGLE_TRY(dest9->getSurfaceLevel(context, gl::TextureTarget::_2D, i, true, &dstSurf));
+
+        ANGLE_TRY(
+            mRenderer->copyToRenderTarget(context, dstSurf.Get(), srcSurf.Get(), isManaged()));
+    }
+
+    return angle::Result::Continue;
+}
+
+TextureStorage9_EGLImage::TextureStorage9_EGLImage(Renderer9 *renderer,
+                                                   EGLImageD3D *image,
+                                                   RenderTarget9 *renderTarget9,
+                                                   const std::string &label)
+    : TextureStorage9(renderer, D3DUSAGE_RENDERTARGET, label), mImage(image)
+{
+
+    mInternalFormat = renderTarget9->getInternalFormat();
+    mTextureFormat  = renderTarget9->getD3DFormat();
+    mTextureWidth   = renderTarget9->getWidth();
+    mTextureHeight  = renderTarget9->getHeight();
+    mTopLevel       = static_cast<int>(renderTarget9->getTextureLevel());
+    mMipLevels      = mTopLevel + 1;
+}
+
+TextureStorage9_EGLImage::~TextureStorage9_EGLImage() {}
+
+angle::Result TextureStorage9_EGLImage::getSurfaceLevel(const gl::Context *context,
+                                                        gl::TextureTarget target,
+                                                        int level,
+                                                        bool,
+                                                        IDirect3DSurface9 **outSurface)
+{
+    ASSERT(target == gl::TextureTarget::_2D);
+    ASSERT(level == 0);
+
+    RenderTargetD3D *renderTargetD3D = nullptr;
+    ANGLE_TRY(mImage->getRenderTarget(context, &renderTargetD3D));
+
+    RenderTarget9 *renderTarget9 = GetAs<RenderTarget9>(renderTargetD3D);
+
+    *outSurface = renderTarget9->getSurface();
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_EGLImage::findRenderTarget(const gl::Context *context,
+                                                         const gl::ImageIndex &index,
+                                                         GLsizei samples,
+                                                         RenderTargetD3D **outRT) const
+{
+    // Since the render target of a EGL image will be updated when orphaning, trying to find a cache
+    // of it can be rarely useful.
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage9_EGLImage::getRenderTarget(const gl::Context *context,
+                                                        const gl::ImageIndex &index,
+                                                        GLsizei samples,
+                                                        RenderTargetD3D **outRT)
+{
+    ASSERT(!index.hasLayer());
+    ASSERT(index.getLevelIndex() == 0);
+    ASSERT(samples == 0);
+
+    return mImage->getRenderTarget(context, outRT);
+}
+
+angle::Result TextureStorage9_EGLImage::getBaseTexture(const gl::Context *context,
+                                                       IDirect3DBaseTexture9 **outTexture)
+{
+    RenderTargetD3D *renderTargetD3D = nullptr;
+    ANGLE_TRY(mImage->getRenderTarget(context, &renderTargetD3D));
+
+    RenderTarget9 *renderTarget9 = GetAs<RenderTarget9>(renderTargetD3D);
+    *outTexture                  = renderTarget9->getTexture();
+    ASSERT(*outTexture != nullptr);
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_EGLImage::generateMipmap(const gl::Context *context,
+                                                       const gl::ImageIndex &,
+                                                       const gl::ImageIndex &)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result TextureStorage9_EGLImage::copyToStorage(const gl::Context *context,
+                                                      TextureStorage *destStorage)
+{
+    ASSERT(destStorage);
+    ASSERT(getLevelCount() == 1);
+
+    TextureStorage9 *dest9 = GetAs<TextureStorage9>(destStorage);
+
+    IDirect3DBaseTexture9 *destBaseTexture9 = nullptr;
+    ANGLE_TRY(dest9->getBaseTexture(context, &destBaseTexture9));
+
+    IDirect3DTexture9 *destTexture9 = static_cast<IDirect3DTexture9 *>(destBaseTexture9);
+
+    angle::ComPtr<IDirect3DSurface9> destSurface = nullptr;
+    HRESULT result = destTexture9->GetSurfaceLevel(destStorage->getTopLevel(), &destSurface);
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to get the surface from a texture");
+
+    RenderTargetD3D *sourceRenderTarget = nullptr;
+    ANGLE_TRY(mImage->getRenderTarget(context, &sourceRenderTarget));
+
+    RenderTarget9 *sourceRenderTarget9 = GetAs<RenderTarget9>(sourceRenderTarget);
+    ANGLE_TRY(mRenderer->copyToRenderTarget(context, destSurface.Get(),
+                                            sourceRenderTarget9->getSurface(), isManaged()));
+
+    if (destStorage->getTopLevel() != 0)
+    {
+        destTexture9->AddDirtyRect(nullptr);
+    }
+
+    return angle::Result::Continue;
+}
+
+TextureStorage9_Cube::TextureStorage9_Cube(Renderer9 *renderer,
+                                           GLenum internalformat,
+                                           bool renderTarget,
+                                           int size,
+                                           int levels,
+                                           bool hintLevelZeroOnly,
+                                           const std::string &label)
+    : TextureStorage9(renderer, GetTextureUsage(internalformat, renderTarget), label)
+{
+    mTexture = nullptr;
+    for (size_t i = 0; i < gl::kCubeFaceCount; ++i)
+    {
+        mRenderTarget[i] = nullptr;
+    }
+
+    mInternalFormat = internalformat;
+
+    const d3d9::TextureFormat &d3dFormatInfo = d3d9::GetTextureFormatInfo(internalformat);
+    mTextureFormat                           = d3dFormatInfo.texFormat;
+
+    int height = size;
+    d3d9::MakeValidSize(false, d3dFormatInfo.texFormat, &size, &height, &mTopLevel);
+    mTextureWidth  = size;
+    mTextureHeight = size;
+    mMipLevels     = mTopLevel + levels;
+}
+
+TextureStorage9_Cube::~TextureStorage9_Cube()
+{
+    SafeRelease(mTexture);
+
+    for (size_t i = 0; i < gl::kCubeFaceCount; ++i)
+    {
+        SafeDelete(mRenderTarget[i]);
+    }
+}
+
+// Increments refcount on surface.
+// caller must Release() the returned surface
+angle::Result TextureStorage9_Cube::getSurfaceLevel(const gl::Context *context,
+                                                    gl::TextureTarget target,
+                                                    int level,
+                                                    bool dirty,
+                                                    IDirect3DSurface9 **outSurface)
+{
+    IDirect3DBaseTexture9 *baseTexture = nullptr;
+    ANGLE_TRY(getBaseTexture(context, &baseTexture));
+
+    IDirect3DCubeTexture9 *texture = static_cast<IDirect3DCubeTexture9 *>(baseTexture);
+
+    D3DCUBEMAP_FACES face = gl_d3d9::ConvertCubeFace(target);
+    HRESULT result        = texture->GetCubeMapSurface(face, level, outSurface);
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to get the surface from a texture");
+
+    // With managed textures the driver needs to be informed of updates to the lower mipmap levels
+    if (level != 0 && isManaged() && dirty)
+    {
+        texture->AddDirtyRect(face, nullptr);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_Cube::findRenderTarget(const gl::Context *context,
+                                                     const gl::ImageIndex &index,
+                                                     GLsizei samples,
+                                                     RenderTargetD3D **outRT) const
+{
+    ASSERT(outRT);
+    ASSERT(index.getLevelIndex() == 0);
+    ASSERT(samples == 0);
+
+    ASSERT(index.getType() == gl::TextureType::CubeMap &&
+           gl::IsCubeMapFaceTarget(index.getTarget()));
+    const size_t renderTargetIndex = index.cubeMapFaceIndex();
+
+    *outRT = mRenderTarget[renderTargetIndex];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_Cube::getRenderTarget(const gl::Context *context,
+                                                    const gl::ImageIndex &index,
+                                                    GLsizei samples,
+                                                    RenderTargetD3D **outRT)
+{
+    ASSERT(outRT);
+    ASSERT(index.getLevelIndex() == 0);
+    ASSERT(samples == 0);
+
+    ASSERT(index.getType() == gl::TextureType::CubeMap &&
+           gl::IsCubeMapFaceTarget(index.getTarget()));
+    const size_t renderTargetIndex = index.cubeMapFaceIndex();
+
+    if (mRenderTarget[renderTargetIndex] == nullptr && isRenderTarget())
+    {
+        IDirect3DBaseTexture9 *baseTexture = nullptr;
+        ANGLE_TRY(getBaseTexture(context, &baseTexture));
+
+        IDirect3DSurface9 *surface = nullptr;
+        ANGLE_TRY(getSurfaceLevel(context, index.getTarget(), mTopLevel + index.getLevelIndex(),
+                                  false, &surface));
+
+        baseTexture->AddRef();
+        mRenderTarget[renderTargetIndex] = new TextureRenderTarget9(
+            baseTexture, mTopLevel + index.getLevelIndex(), surface, mInternalFormat,
+            static_cast<GLsizei>(mTextureWidth), static_cast<GLsizei>(mTextureHeight), 1, 0);
+    }
+
+    *outRT = mRenderTarget[renderTargetIndex];
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_Cube::generateMipmap(const gl::Context *context,
+                                                   const gl::ImageIndex &sourceIndex,
+                                                   const gl::ImageIndex &destIndex)
+{
+    angle::ComPtr<IDirect3DSurface9> upper = nullptr;
+    ANGLE_TRY(getSurfaceLevel(context, sourceIndex.getTarget(), sourceIndex.getLevelIndex(), false,
+                              &upper));
+
+    angle::ComPtr<IDirect3DSurface9> lower = nullptr;
+    ANGLE_TRY(
+        getSurfaceLevel(context, destIndex.getTarget(), destIndex.getLevelIndex(), true, &lower));
+
+    ASSERT(upper && lower);
+    return mRenderer->boxFilter(GetImplAs<Context9>(context), upper.Get(), lower.Get());
+}
+
+angle::Result TextureStorage9_Cube::getBaseTexture(const gl::Context *context,
+                                                   IDirect3DBaseTexture9 **outTexture)
+{
+    // if the size is not positive this should be treated as an incomplete texture
+    // we handle that here by skipping the d3d texture creation
+    if (mTexture == nullptr && mTextureWidth > 0 && mTextureHeight > 0)
+    {
+        ASSERT(mMipLevels > 0);
+        ASSERT(mTextureWidth == mTextureHeight);
+
+        IDirect3DDevice9 *device = mRenderer->getDevice();
+        HRESULT result           = device->CreateCubeTexture(
+            static_cast<unsigned int>(mTextureWidth), static_cast<unsigned int>(mMipLevels),
+            getUsage(), mTextureFormat, getPool(), &mTexture, nullptr);
+        ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to create cube storage texture");
+    }
+
+    *outTexture = mTexture;
+    return angle::Result::Continue;
+}
+
+angle::Result TextureStorage9_Cube::copyToStorage(const gl::Context *context,
+                                                  TextureStorage *destStorage)
+{
+    ASSERT(destStorage);
+
+    TextureStorage9_Cube *dest9 = GetAs<TextureStorage9_Cube>(destStorage);
+
+    int levels = getLevelCount();
+    for (gl::TextureTarget face : gl::AllCubeFaceTextureTargets())
+    {
+        for (int i = 0; i < levels; i++)
+        {
+            angle::ComPtr<IDirect3DSurface9> srcSurf = nullptr;
+            ANGLE_TRY(getSurfaceLevel(context, face, i, false, &srcSurf));
+
+            angle::ComPtr<IDirect3DSurface9> dstSurf = nullptr;
+            ANGLE_TRY(dest9->getSurfaceLevel(context, face, i, true, &dstSurf));
+
+            ANGLE_TRY(
+                mRenderer->copyToRenderTarget(context, dstSurf.Get(), srcSurf.Get(), isManaged()));
+        }
+    }
+
+    return angle::Result::Continue;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/TextureStorage9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/TextureStorage9.h
new file mode 100644
index 0000000000..9882c341f9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/TextureStorage9.h
@@ -0,0 +1,186 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureStorage9.h: Defines the abstract rx::TextureStorage9 class and its concrete derived
+// classes TextureStorage9_2D and TextureStorage9_Cube, which act as the interface to the
+// D3D9 texture.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_TEXTURESTORAGE9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_TEXTURESTORAGE9_H_
+
+#include "common/debug.h"
+#include "libANGLE/renderer/d3d/TextureStorage.h"
+
+namespace rx
+{
+class EGLImageD3D;
+class Renderer9;
+class SwapChain9;
+class RenderTargetD3D;
+class RenderTarget9;
+
+class TextureStorage9 : public TextureStorage
+{
+  public:
+    ~TextureStorage9() override;
+
+    static DWORD GetTextureUsage(GLenum internalformat, bool renderTarget);
+
+    D3DPOOL getPool() const;
+    DWORD getUsage() const;
+
+    virtual angle::Result getSurfaceLevel(const gl::Context *context,
+                                          gl::TextureTarget target,
+                                          int level,
+                                          bool dirty,
+                                          IDirect3DSurface9 **outSurface)    = 0;
+    virtual angle::Result getBaseTexture(const gl::Context *context,
+                                         IDirect3DBaseTexture9 **outTexture) = 0;
+
+    int getTopLevel() const override;
+    bool isRenderTarget() const override;
+    bool isUnorderedAccess() const override { return false; }
+    bool isManaged() const override;
+    bool supportsNativeMipmapFunction() const override;
+    int getLevelCount() const override;
+
+    angle::Result setData(const gl::Context *context,
+                          const gl::ImageIndex &index,
+                          ImageD3D *image,
+                          const gl::Box *destBox,
+                          GLenum type,
+                          const gl::PixelUnpackState &unpack,
+                          const uint8_t *pixelData) override;
+
+  protected:
+    int mTopLevel;
+    size_t mMipLevels;
+    size_t mTextureWidth;
+    size_t mTextureHeight;
+    GLenum mInternalFormat;
+    D3DFORMAT mTextureFormat;
+
+    Renderer9 *mRenderer;
+
+    TextureStorage9(Renderer9 *renderer, DWORD usage, const std::string &label);
+
+  private:
+    const DWORD mD3DUsage;
+    const D3DPOOL mD3DPool;
+};
+
+class TextureStorage9_2D : public TextureStorage9
+{
+  public:
+    TextureStorage9_2D(Renderer9 *renderer, SwapChain9 *swapchain, const std::string &label);
+    TextureStorage9_2D(Renderer9 *renderer,
+                       GLenum internalformat,
+                       bool renderTarget,
+                       GLsizei width,
+                       GLsizei height,
+                       int levels,
+                       const std::string &label);
+    ~TextureStorage9_2D() override;
+
+    angle::Result getSurfaceLevel(const gl::Context *context,
+                                  gl::TextureTarget target,
+                                  int level,
+                                  bool dirty,
+                                  IDirect3DSurface9 **outSurface) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+    angle::Result getBaseTexture(const gl::Context *context,
+                                 IDirect3DBaseTexture9 **outTexture) override;
+    angle::Result generateMipmap(const gl::Context *context,
+                                 const gl::ImageIndex &sourceIndex,
+                                 const gl::ImageIndex &destIndex) override;
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+
+  private:
+    IDirect3DTexture9 *mTexture;
+    std::vector<RenderTarget9 *> mRenderTargets;
+};
+
+class TextureStorage9_EGLImage final : public TextureStorage9
+{
+  public:
+    TextureStorage9_EGLImage(Renderer9 *renderer,
+                             EGLImageD3D *image,
+                             RenderTarget9 *renderTarget9,
+                             const std::string &label);
+    ~TextureStorage9_EGLImage() override;
+
+    angle::Result getSurfaceLevel(const gl::Context *context,
+                                  gl::TextureTarget target,
+                                  int level,
+                                  bool dirty,
+                                  IDirect3DSurface9 **outSurface) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+    angle::Result getBaseTexture(const gl::Context *context,
+                                 IDirect3DBaseTexture9 **outTexture) override;
+    angle::Result generateMipmap(const gl::Context *context,
+                                 const gl::ImageIndex &sourceIndex,
+                                 const gl::ImageIndex &destIndex) override;
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+
+  private:
+    EGLImageD3D *mImage;
+};
+
+class TextureStorage9_Cube : public TextureStorage9
+{
+  public:
+    TextureStorage9_Cube(Renderer9 *renderer,
+                         GLenum internalformat,
+                         bool renderTarget,
+                         int size,
+                         int levels,
+                         bool hintLevelZeroOnly,
+                         const std::string &label);
+
+    ~TextureStorage9_Cube() override;
+
+    angle::Result getSurfaceLevel(const gl::Context *context,
+                                  gl::TextureTarget target,
+                                  int level,
+                                  bool dirty,
+                                  IDirect3DSurface9 **outSurface) override;
+    angle::Result findRenderTarget(const gl::Context *context,
+                                   const gl::ImageIndex &index,
+                                   GLsizei samples,
+                                   RenderTargetD3D **outRT) const override;
+    angle::Result getRenderTarget(const gl::Context *context,
+                                  const gl::ImageIndex &index,
+                                  GLsizei samples,
+                                  RenderTargetD3D **outRT) override;
+    angle::Result getBaseTexture(const gl::Context *context,
+                                 IDirect3DBaseTexture9 **outTexture) override;
+    angle::Result generateMipmap(const gl::Context *context,
+                                 const gl::ImageIndex &sourceIndex,
+                                 const gl::ImageIndex &destIndex) override;
+    angle::Result copyToStorage(const gl::Context *context, TextureStorage *destStorage) override;
+
+  private:
+    IDirect3DCubeTexture9 *mTexture;
+    RenderTarget9 *mRenderTarget[gl::kCubeFaceCount];
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_TEXTURESTORAGE9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexArray9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexArray9.h
new file mode 100644
index 0000000000..a9c1ee7d4b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexArray9.h
@@ -0,0 +1,57 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexArray9.h: Defines the rx::VertexArray9 class which implements rx::VertexArrayImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_VERTEXARRAY9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_VERTEXARRAY9_H_
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/VertexArrayImpl.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+
+namespace rx
+{
+class Renderer9;
+
+class VertexArray9 : public VertexArrayImpl
+{
+  public:
+    VertexArray9(const gl::VertexArrayState &data) : VertexArrayImpl(data) {}
+
+    angle::Result syncState(const gl::Context *context,
+                            const gl::VertexArray::DirtyBits &dirtyBits,
+                            gl::VertexArray::DirtyAttribBitsArray *attribBits,
+                            gl::VertexArray::DirtyBindingBitsArray *bindingBits) override;
+
+    ~VertexArray9() override {}
+
+    Serial getCurrentStateSerial() const { return mCurrentStateSerial; }
+
+  private:
+    Serial mCurrentStateSerial;
+};
+
+inline angle::Result VertexArray9::syncState(const gl::Context *context,
+                                             const gl::VertexArray::DirtyBits &dirtyBits,
+                                             gl::VertexArray::DirtyAttribBitsArray *attribBits,
+                                             gl::VertexArray::DirtyBindingBitsArray *bindingBits)
+{
+
+    ASSERT(dirtyBits.any());
+    Renderer9 *renderer = GetImplAs<Context9>(context)->getRenderer();
+    mCurrentStateSerial = renderer->generateSerial();
+
+    // Clear the dirty bits in the back-end here.
+    memset(attribBits, 0, sizeof(gl::VertexArray::DirtyAttribBitsArray));
+    memset(bindingBits, 0, sizeof(gl::VertexArray::DirtyBindingBitsArray));
+
+    return angle::Result::Continue;
+}
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_VERTEXARRAY9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.cpp
new file mode 100644
index 0000000000..915928686a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.cpp
@@ -0,0 +1,153 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexBuffer9.cpp: Defines the D3D9 VertexBuffer implementation.
+
+#include "libANGLE/renderer/d3d/d3d9/VertexBuffer9.h"
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/vertexconversion.h"
+
+namespace rx
+{
+
+VertexBuffer9::VertexBuffer9(Renderer9 *renderer) : mRenderer(renderer)
+{
+    mVertexBuffer = nullptr;
+    mBufferSize   = 0;
+    mDynamicUsage = false;
+}
+
+VertexBuffer9::~VertexBuffer9()
+{
+    SafeRelease(mVertexBuffer);
+}
+
+angle::Result VertexBuffer9::initialize(const gl::Context *context,
+                                        unsigned int size,
+                                        bool dynamicUsage)
+{
+    SafeRelease(mVertexBuffer);
+
+    updateSerial();
+
+    if (size > 0)
+    {
+        DWORD flags = D3DUSAGE_WRITEONLY;
+        if (dynamicUsage)
+        {
+            flags |= D3DUSAGE_DYNAMIC;
+        }
+
+        HRESULT result = mRenderer->createVertexBuffer(size, flags, &mVertexBuffer);
+        ANGLE_TRY_HR(GetImplAs<Context9>(context), result,
+                     "Failed to allocate internal vertex buffer");
+    }
+
+    mBufferSize   = size;
+    mDynamicUsage = dynamicUsage;
+    return angle::Result::Continue;
+}
+
+angle::Result VertexBuffer9::storeVertexAttributes(const gl::Context *context,
+                                                   const gl::VertexAttribute &attrib,
+                                                   const gl::VertexBinding &binding,
+                                                   gl::VertexAttribType currentValueType,
+                                                   GLint start,
+                                                   size_t count,
+                                                   GLsizei instances,
+                                                   unsigned int offset,
+                                                   const uint8_t *sourceData)
+{
+    ASSERT(mVertexBuffer);
+
+    size_t inputStride = gl::ComputeVertexAttributeStride(attrib, binding);
+    size_t elementSize = gl::ComputeVertexAttributeTypeSize(attrib);
+
+    DWORD lockFlags = mDynamicUsage ? D3DLOCK_NOOVERWRITE : 0;
+
+    uint8_t *mapPtr = nullptr;
+
+    unsigned int mapSize = 0;
+    ANGLE_TRY(
+        mRenderer->getVertexSpaceRequired(context, attrib, binding, count, instances, 0, &mapSize));
+
+    HRESULT result =
+        mVertexBuffer->Lock(offset, mapSize, reinterpret_cast<void **>(&mapPtr), lockFlags);
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to lock internal vertex buffer");
+
+    const uint8_t *input = sourceData;
+
+    if (instances == 0 || binding.getDivisor() == 0)
+    {
+        input += inputStride * start;
+    }
+
+    angle::FormatID vertexFormatID = gl::GetVertexFormatID(attrib, currentValueType);
+    const d3d9::VertexFormat &d3dVertexInfo =
+        d3d9::GetVertexFormatInfo(mRenderer->getCapsDeclTypes(), vertexFormatID);
+    bool needsConversion = (d3dVertexInfo.conversionType & VERTEX_CONVERT_CPU) > 0;
+
+    if (!needsConversion && inputStride == elementSize)
+    {
+        size_t copySize = count * inputStride;
+        memcpy(mapPtr, input, copySize);
+    }
+    else
+    {
+        d3dVertexInfo.copyFunction(input, inputStride, count, mapPtr);
+    }
+
+    mVertexBuffer->Unlock();
+
+    return angle::Result::Continue;
+}
+
+unsigned int VertexBuffer9::getBufferSize() const
+{
+    return mBufferSize;
+}
+
+angle::Result VertexBuffer9::setBufferSize(const gl::Context *context, unsigned int size)
+{
+    if (size > mBufferSize)
+    {
+        return initialize(context, size, mDynamicUsage);
+    }
+    else
+    {
+        return angle::Result::Continue;
+    }
+}
+
+angle::Result VertexBuffer9::discard(const gl::Context *context)
+{
+    ASSERT(mVertexBuffer);
+
+    void *mock;
+    HRESULT result;
+
+    Context9 *context9 = GetImplAs<Context9>(context);
+
+    result = mVertexBuffer->Lock(0, 1, &mock, D3DLOCK_DISCARD);
+    ANGLE_TRY_HR(context9, result, "Failed to lock internal vertex buffer for discarding");
+
+    result = mVertexBuffer->Unlock();
+    ANGLE_TRY_HR(context9, result, "Failed to unlock internal vertex buffer for discarding");
+
+    return angle::Result::Continue;
+}
+
+IDirect3DVertexBuffer9 *VertexBuffer9::getBuffer() const
+{
+    return mVertexBuffer;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.h
new file mode 100644
index 0000000000..d5c156e5f5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.h
@@ -0,0 +1,56 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexBuffer9.h: Defines the D3D9 VertexBuffer implementation.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_VERTEXBUFFER9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_VERTEXBUFFER9_H_
+
+#include "libANGLE/renderer/d3d/VertexBuffer.h"
+
+namespace rx
+{
+class Renderer9;
+
+class VertexBuffer9 : public VertexBuffer
+{
+  public:
+    explicit VertexBuffer9(Renderer9 *renderer);
+
+    angle::Result initialize(const gl::Context *context,
+                             unsigned int size,
+                             bool dynamicUsage) override;
+
+    // Warning: you should ensure binding really matches attrib.bindingIndex before using this
+    // function.
+    angle::Result storeVertexAttributes(const gl::Context *context,
+                                        const gl::VertexAttribute &attrib,
+                                        const gl::VertexBinding &binding,
+                                        gl::VertexAttribType currentValueType,
+                                        GLint start,
+                                        size_t count,
+                                        GLsizei instances,
+                                        unsigned int offset,
+                                        const uint8_t *sourceData) override;
+
+    unsigned int getBufferSize() const override;
+    angle::Result setBufferSize(const gl::Context *context, unsigned int size) override;
+    angle::Result discard(const gl::Context *context) override;
+
+    IDirect3DVertexBuffer9 *getBuffer() const;
+
+  private:
+    ~VertexBuffer9() override;
+    Renderer9 *mRenderer;
+
+    IDirect3DVertexBuffer9 *mVertexBuffer;
+    unsigned int mBufferSize;
+    bool mDynamicUsage;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_VERTEXBUFFER9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp
new file mode 100644
index 0000000000..e129ae9786
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp
@@ -0,0 +1,262 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexDeclarationCache.cpp: Implements a helper class to construct and cache vertex declarations.
+
+#include "libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+#include "libANGLE/renderer/d3d/d3d9/VertexBuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+
+namespace rx
+{
+
+VertexDeclarationCache::VertexDeclarationCache() : mMaxLru(0)
+{
+    for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++)
+    {
+        mVertexDeclCache[i].vertexDeclaration = nullptr;
+        mVertexDeclCache[i].lruCount          = 0;
+    }
+
+    for (VBData &vb : mAppliedVBs)
+    {
+        vb.serial = 0;
+    }
+
+    mLastSetVDecl      = nullptr;
+    mInstancingEnabled = true;
+}
+
+VertexDeclarationCache::~VertexDeclarationCache()
+{
+    for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++)
+    {
+        SafeRelease(mVertexDeclCache[i].vertexDeclaration);
+    }
+}
+
+angle::Result VertexDeclarationCache::applyDeclaration(
+    const gl::Context *context,
+    IDirect3DDevice9 *device,
+    const std::vector<TranslatedAttribute> &attributes,
+    gl::Program *program,
+    GLint start,
+    GLsizei instances,
+    GLsizei *repeatDraw)
+{
+    ASSERT(gl::MAX_VERTEX_ATTRIBS >= attributes.size());
+
+    *repeatDraw = 1;
+
+    const size_t invalidAttribIndex = attributes.size();
+    size_t indexedAttribute         = invalidAttribIndex;
+    size_t instancedAttribute       = invalidAttribIndex;
+
+    if (instances == 0)
+    {
+        for (size_t i = 0; i < attributes.size(); ++i)
+        {
+            if (attributes[i].divisor != 0)
+            {
+                // If a divisor is set, it still applies even if an instanced draw was not used, so
+                // treat as a single-instance draw.
+                instances = 1;
+                break;
+            }
+        }
+    }
+
+    if (instances > 0)
+    {
+        // Find an indexed attribute to be mapped to D3D stream 0
+        for (size_t i = 0; i < attributes.size(); i++)
+        {
+            if (attributes[i].active)
+            {
+                if (indexedAttribute == invalidAttribIndex && attributes[i].divisor == 0)
+                {
+                    indexedAttribute = i;
+                }
+                else if (instancedAttribute == invalidAttribIndex && attributes[i].divisor != 0)
+                {
+                    instancedAttribute = i;
+                }
+                if (indexedAttribute != invalidAttribIndex &&
+                    instancedAttribute != invalidAttribIndex)
+                    break;  // Found both an indexed and instanced attribute
+            }
+        }
+
+        // The validation layer checks that there is at least one active attribute with a zero
+        // divisor as per the GL_ANGLE_instanced_arrays spec.
+        ASSERT(indexedAttribute != invalidAttribIndex);
+    }
+
+    D3DCAPS9 caps;
+    device->GetDeviceCaps(&caps);
+
+    D3DVERTEXELEMENT9 elements[gl::MAX_VERTEX_ATTRIBS + 1];
+    D3DVERTEXELEMENT9 *element = &elements[0];
+
+    ProgramD3D *programD3D      = GetImplAs<ProgramD3D>(program);
+    const auto &semanticIndexes = programD3D->getAttribLocationToD3DSemantics();
+
+    for (size_t i = 0; i < attributes.size(); i++)
+    {
+        if (attributes[i].active)
+        {
+            // Directly binding the storage buffer is not supported for d3d9
+            ASSERT(attributes[i].storage == nullptr);
+
+            int stream = static_cast<int>(i);
+
+            if (instances > 0)
+            {
+                // Due to a bug on ATI cards we can't enable instancing when none of the attributes
+                // are instanced.
+                if (instancedAttribute == invalidAttribIndex)
+                {
+                    *repeatDraw = instances;
+                }
+                else
+                {
+                    if (i == indexedAttribute)
+                    {
+                        stream = 0;
+                    }
+                    else if (i == 0)
+                    {
+                        stream = static_cast<int>(indexedAttribute);
+                    }
+
+                    UINT frequency = 1;
+
+                    if (attributes[i].divisor == 0)
+                    {
+                        frequency = D3DSTREAMSOURCE_INDEXEDDATA | instances;
+                    }
+                    else
+                    {
+                        frequency = D3DSTREAMSOURCE_INSTANCEDATA | attributes[i].divisor;
+                    }
+
+                    device->SetStreamSourceFreq(stream, frequency);
+                    mInstancingEnabled = true;
+                }
+            }
+
+            VertexBuffer9 *vertexBuffer = GetAs<VertexBuffer9>(attributes[i].vertexBuffer.get());
+
+            unsigned int offset = 0;
+            ANGLE_TRY(attributes[i].computeOffset(context, start, &offset));
+
+            if (mAppliedVBs[stream].serial != attributes[i].serial ||
+                mAppliedVBs[stream].stride != attributes[i].stride ||
+                mAppliedVBs[stream].offset != offset)
+            {
+                device->SetStreamSource(stream, vertexBuffer->getBuffer(), offset,
+                                        attributes[i].stride);
+                mAppliedVBs[stream].serial = attributes[i].serial;
+                mAppliedVBs[stream].stride = attributes[i].stride;
+                mAppliedVBs[stream].offset = offset;
+            }
+
+            angle::FormatID vertexformatID =
+                gl::GetVertexFormatID(*attributes[i].attribute, gl::VertexAttribType::Float);
+            const d3d9::VertexFormat &d3d9VertexInfo =
+                d3d9::GetVertexFormatInfo(caps.DeclTypes, vertexformatID);
+
+            element->Stream     = static_cast<WORD>(stream);
+            element->Offset     = 0;
+            element->Type       = static_cast<BYTE>(d3d9VertexInfo.nativeFormat);
+            element->Method     = D3DDECLMETHOD_DEFAULT;
+            element->Usage      = D3DDECLUSAGE_TEXCOORD;
+            element->UsageIndex = static_cast<BYTE>(semanticIndexes[i]);
+            element++;
+        }
+    }
+
+    if (instances == 0 || instancedAttribute == invalidAttribIndex)
+    {
+        if (mInstancingEnabled)
+        {
+            for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+            {
+                device->SetStreamSourceFreq(i, 1);
+            }
+
+            mInstancingEnabled = false;
+        }
+    }
+
+    static const D3DVERTEXELEMENT9 end = D3DDECL_END();
+    *(element++)                       = end;
+
+    for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++)
+    {
+        VertexDeclCacheEntry *entry = &mVertexDeclCache[i];
+        if (memcmp(entry->cachedElements, elements,
+                   (element - elements) * sizeof(D3DVERTEXELEMENT9)) == 0 &&
+            entry->vertexDeclaration)
+        {
+            entry->lruCount = ++mMaxLru;
+            if (entry->vertexDeclaration != mLastSetVDecl)
+            {
+                device->SetVertexDeclaration(entry->vertexDeclaration);
+                mLastSetVDecl = entry->vertexDeclaration;
+            }
+
+            return angle::Result::Continue;
+        }
+    }
+
+    VertexDeclCacheEntry *lastCache = mVertexDeclCache;
+
+    for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++)
+    {
+        if (mVertexDeclCache[i].lruCount < lastCache->lruCount)
+        {
+            lastCache = &mVertexDeclCache[i];
+        }
+    }
+
+    if (lastCache->vertexDeclaration != nullptr)
+    {
+        SafeRelease(lastCache->vertexDeclaration);
+        // mLastSetVDecl is set to the replacement, so we don't have to worry
+        // about it.
+    }
+
+    memcpy(lastCache->cachedElements, elements, (element - elements) * sizeof(D3DVERTEXELEMENT9));
+    HRESULT result = device->CreateVertexDeclaration(elements, &lastCache->vertexDeclaration);
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result,
+                 "Failed to create internal vertex declaration");
+
+    device->SetVertexDeclaration(lastCache->vertexDeclaration);
+    mLastSetVDecl       = lastCache->vertexDeclaration;
+    lastCache->lruCount = ++mMaxLru;
+
+    return angle::Result::Continue;
+}
+
+void VertexDeclarationCache::markStateDirty()
+{
+    for (VBData &vb : mAppliedVBs)
+    {
+        vb.serial = 0;
+    }
+
+    mLastSetVDecl      = nullptr;
+    mInstancingEnabled = true;  // Forces it to be disabled when not used
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h
new file mode 100644
index 0000000000..22e677d800
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h
@@ -0,0 +1,68 @@
+//
+// Copyright 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexDeclarationCache.h: Defines a helper class to construct and cache vertex declarations.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
+
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+
+namespace gl
+{
+class VertexDataManager;
+class Program;
+}  // namespace gl
+
+namespace rx
+{
+class VertexDeclarationCache
+{
+  public:
+    VertexDeclarationCache();
+    ~VertexDeclarationCache();
+
+    angle::Result applyDeclaration(const gl::Context *context,
+                                   IDirect3DDevice9 *device,
+                                   const std::vector<TranslatedAttribute> &attributes,
+                                   gl::Program *program,
+                                   GLint start,
+                                   GLsizei instances,
+                                   GLsizei *repeatDraw);
+
+    void markStateDirty();
+
+  private:
+    UINT mMaxLru;
+
+    enum
+    {
+        NUM_VERTEX_DECL_CACHE_ENTRIES = 32
+    };
+
+    struct VBData
+    {
+        unsigned int serial;
+        unsigned int stride;
+        unsigned int offset;
+    };
+
+    VBData mAppliedVBs[gl::MAX_VERTEX_ATTRIBS];
+    IDirect3DVertexDeclaration9 *mLastSetVDecl;
+    bool mInstancingEnabled;
+
+    struct VertexDeclCacheEntry
+    {
+        D3DVERTEXELEMENT9 cachedElements[gl::MAX_VERTEX_ATTRIBS + 1];
+        UINT lruCount;
+        IDirect3DVertexDeclaration9 *vertexDeclaration;
+    } mVertexDeclCache[NUM_VERTEX_DECL_CACHE_ENTRIES];
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp
new file mode 100644
index 0000000000..19a10b9cfb
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp
@@ -0,0 +1,695 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils9.cpp: Queries for GL image formats and their translations to D3D9
+// formats.
+
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+
+#include "image_util/copyimage.h"
+#include "image_util/generatemip.h"
+#include "image_util/loadimage.h"
+
+#include "anglebase/no_destructor.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/vertexconversion.h"
+
+using namespace angle;
+
+namespace rx
+{
+
+namespace d3d9
+{
+
+constexpr D3DFORMAT D3DFMT_INTZ = ((D3DFORMAT)(MAKEFOURCC('I', 'N', 'T', 'Z')));
+constexpr D3DFORMAT D3DFMT_NULL = ((D3DFORMAT)(MAKEFOURCC('N', 'U', 'L', 'L')));
+
+// A map to determine the pixel size and mip generation function of a given D3D format
+typedef std::map<D3DFORMAT, D3DFormat> D3D9FormatInfoMap;
+
+typedef std::pair<GLint, InitializeTextureDataFunction> InternalFormatInitialzerPair;
+typedef std::map<GLint, InitializeTextureDataFunction> InternalFormatInitialzerMap;
+
+static InternalFormatInitialzerMap BuildInternalFormatInitialzerMap()
+{
+    using namespace angle;  // For image initialization functions
+
+    InternalFormatInitialzerMap map;
+
+    map.insert(InternalFormatInitialzerPair(
+        GL_RGB16F, Initialize4ComponentData<GLhalf, 0x0000, 0x0000, 0x0000, gl::Float16One>));
+    map.insert(InternalFormatInitialzerPair(
+        GL_RGB32F,
+        Initialize4ComponentData<GLfloat, 0x00000000, 0x00000000, 0x00000000, gl::Float32One>));
+
+    return map;
+}
+
+static void UnreachableLoad(size_t width,
+                            size_t height,
+                            size_t depth,
+                            const uint8_t *input,
+                            size_t inputRowPitch,
+                            size_t inputDepthPitch,
+                            uint8_t *output,
+                            size_t outputRowPitch,
+                            size_t outputDepthPitch)
+{
+    UNREACHABLE();
+}
+
+typedef std::pair<GLenum, TextureFormat> D3D9FormatPair;
+typedef std::map<GLenum, TextureFormat> D3D9FormatMap;
+
+TextureFormat::TextureFormat()
+    : texFormat(D3DFMT_UNKNOWN),
+      renderFormat(D3DFMT_UNKNOWN),
+      dataInitializerFunction(nullptr),
+      loadFunction(UnreachableLoad)
+{}
+
+static inline void InsertD3D9FormatInfo(D3D9FormatMap *map,
+                                        GLenum internalFormat,
+                                        D3DFORMAT texFormat,
+                                        D3DFORMAT renderFormat,
+                                        LoadImageFunction loadFunction)
+{
+    TextureFormat info;
+    info.texFormat    = texFormat;
+    info.renderFormat = renderFormat;
+
+    static const angle::base::NoDestructor<InternalFormatInitialzerMap> dataInitializationMap(
+        BuildInternalFormatInitialzerMap());
+    InternalFormatInitialzerMap::const_iterator dataInitIter =
+        dataInitializationMap->find(internalFormat);
+    info.dataInitializerFunction =
+        (dataInitIter != dataInitializationMap->end()) ? dataInitIter->second : nullptr;
+
+    info.loadFunction = loadFunction;
+
+    map->insert(std::make_pair(internalFormat, info));
+}
+
+static D3D9FormatMap BuildD3D9FormatMap()
+{
+    using namespace angle;  // For image loading functions
+
+    D3D9FormatMap map;
+
+    // clang-format off
+    //                       | Internal format                     | Texture format      | Render format        | Load function                           |
+    InsertD3D9FormatInfo(&map, GL_NONE,                             D3DFMT_NULL,          D3DFMT_NULL,           UnreachableLoad                          );
+
+    // We choose to downsample the GL_DEPTH_COMPONENT32_OES format to a 24-bit format because D3DFMT_D32 is not widely
+    // supported.  We're allowed to do this because:
+    //  - The ES spec 2.0.25 sec 3.7.1 states that we're allowed to store texture formats with internal format
+    //    resolutions of our own choosing.
+    //  - OES_depth_texture states that downsampling of the depth formats is allowed.
+    //  - ANGLE_depth_texture does not state minimum required resolutions of the depth texture formats it
+    //    introduces.
+    // In ES3 however, there are minimum resolutions for the texture formats and this would not be allowed.
+
+    InsertD3D9FormatInfo(&map, GL_DEPTH_COMPONENT16,                D3DFMT_INTZ,          D3DFMT_D24S8,          UnreachableLoad                          );
+    InsertD3D9FormatInfo(&map, GL_DEPTH_COMPONENT32_OES,            D3DFMT_INTZ,          D3DFMT_D24X8,          UnreachableLoad                          );
+    InsertD3D9FormatInfo(&map, GL_DEPTH24_STENCIL8_OES,             D3DFMT_INTZ,          D3DFMT_D24S8,          UnreachableLoad                          );
+    InsertD3D9FormatInfo(&map, GL_STENCIL_INDEX8,                   D3DFMT_UNKNOWN,       D3DFMT_D24S8,          UnreachableLoad                          ); // TODO: What's the texture format?
+
+    InsertD3D9FormatInfo(&map, GL_RGBA32F_EXT,                      D3DFMT_A32B32G32R32F, D3DFMT_A32B32G32R32F,  LoadToNative<GLfloat, 4>                 );
+    InsertD3D9FormatInfo(&map, GL_RGB32F_EXT,                       D3DFMT_A32B32G32R32F, D3DFMT_A32B32G32R32F,  LoadToNative3To4<GLfloat, gl::Float32One>);
+    InsertD3D9FormatInfo(&map, GL_RG32F_EXT,                        D3DFMT_G32R32F,       D3DFMT_G32R32F,        LoadToNative<GLfloat, 2>                 );
+    InsertD3D9FormatInfo(&map, GL_R32F_EXT,                         D3DFMT_R32F,          D3DFMT_R32F,           LoadToNative<GLfloat, 1>                 );
+    InsertD3D9FormatInfo(&map, GL_ALPHA32F_EXT,                     D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN,        LoadA32FToRGBA32F                        );
+    InsertD3D9FormatInfo(&map, GL_LUMINANCE32F_EXT,                 D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN,        LoadL32FToRGBA32F                        );
+    InsertD3D9FormatInfo(&map, GL_LUMINANCE_ALPHA32F_EXT,           D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN,        LoadLA32FToRGBA32F                       );
+
+    InsertD3D9FormatInfo(&map, GL_RGBA16F_EXT,                      D3DFMT_A16B16G16R16F, D3DFMT_A16B16G16R16F,  LoadToNative<GLhalf, 4>                  );
+    InsertD3D9FormatInfo(&map, GL_RGB16F_EXT,                       D3DFMT_A16B16G16R16F, D3DFMT_A16B16G16R16F,  LoadToNative3To4<GLhalf, gl::Float16One> );
+    InsertD3D9FormatInfo(&map, GL_RG16F_EXT,                        D3DFMT_G16R16F,       D3DFMT_G16R16F,        LoadToNative<GLhalf, 2>                  );
+    InsertD3D9FormatInfo(&map, GL_R16F_EXT,                         D3DFMT_R16F,          D3DFMT_R16F,           LoadToNative<GLhalf, 1>                  );
+    InsertD3D9FormatInfo(&map, GL_ALPHA16F_EXT,                     D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN,        LoadA16FToRGBA16F                        );
+    InsertD3D9FormatInfo(&map, GL_LUMINANCE16F_EXT,                 D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN,        LoadL16FToRGBA16F                        );
+    InsertD3D9FormatInfo(&map, GL_LUMINANCE_ALPHA16F_EXT,           D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN,        LoadLA16FToRGBA16F                       );
+
+    InsertD3D9FormatInfo(&map, GL_ALPHA8_EXT,                       D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadA8ToBGRA8                            );
+
+    InsertD3D9FormatInfo(&map, GL_RGB8_OES,                         D3DFMT_X8R8G8B8,      D3DFMT_X8R8G8B8,       LoadRGB8ToBGRX8                           );
+    InsertD3D9FormatInfo(&map, GL_RGB565,                           D3DFMT_X8R8G8B8,      D3DFMT_X8R8G8B8,       LoadR5G6B5ToBGRA8                         );
+    InsertD3D9FormatInfo(&map, GL_RGBA8_OES,                        D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadRGBA8ToBGRA8                          );
+    InsertD3D9FormatInfo(&map, GL_RGBA4,                            D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadRGBA4ToBGRA8                          );
+    InsertD3D9FormatInfo(&map, GL_RGB5_A1,                          D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadRGB5A1ToBGRA8                         );
+    InsertD3D9FormatInfo(&map, GL_R8_EXT,                           D3DFMT_X8R8G8B8,      D3DFMT_X8R8G8B8,       LoadR8ToBGRX8                             );
+    InsertD3D9FormatInfo(&map, GL_RG8_EXT,                          D3DFMT_X8R8G8B8,      D3DFMT_X8R8G8B8,       LoadRG8ToBGRX8                            );
+
+    InsertD3D9FormatInfo(&map, GL_SRGB8,                            D3DFMT_X8R8G8B8,      D3DFMT_UNKNOWN,        LoadRGB8ToBGRX8                           );
+    InsertD3D9FormatInfo(&map, GL_SRGB8_ALPHA8_EXT,                 D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadRGBA8ToBGRA8                          );
+
+    InsertD3D9FormatInfo(&map, GL_BGRA8_EXT,                        D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadToNative<GLubyte, 4>                  );
+    InsertD3D9FormatInfo(&map, GL_BGRA4_ANGLEX,                     D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadBGRA4ToBGRA8                          );
+    InsertD3D9FormatInfo(&map, GL_BGR5_A1_ANGLEX,                   D3DFMT_A8R8G8B8,      D3DFMT_A8R8G8B8,       LoadBGR5A1ToBGRA8                         );
+
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT,     D3DFMT_DXT1,          D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1,  8>       );
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,    D3DFMT_DXT1,          D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1,  8>       );
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE,  D3DFMT_DXT3,          D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1, 16>       );
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE,  D3DFMT_DXT5,          D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1, 16>       );
+
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT,        D3DFMT_DXT1,      D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1,  8>       );
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,  D3DFMT_DXT1,      D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1,  8>       );
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT,  D3DFMT_DXT3,      D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1, 16>       );
+    InsertD3D9FormatInfo(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,  D3DFMT_DXT5,      D3DFMT_UNKNOWN,        LoadCompressedToNative<4, 4, 1, 16>       );
+
+    // These formats require checking if the renderer supports D3DFMT_L8 or D3DFMT_A8L8 and
+    // then changing the format and loading function appropriately.
+    InsertD3D9FormatInfo(&map, GL_LUMINANCE8_EXT,                   D3DFMT_L8,            D3DFMT_UNKNOWN,        LoadToNative<GLubyte, 1>                  );
+    InsertD3D9FormatInfo(&map, GL_LUMINANCE8_ALPHA8_EXT,            D3DFMT_A8L8,          D3DFMT_UNKNOWN,        LoadToNative<GLubyte, 2>                  );
+    // clang-format on
+
+    return map;
+}
+
+const TextureFormat &GetTextureFormatInfo(GLenum internalFormat)
+{
+    static const angle::base::NoDestructor<D3D9FormatMap> formatMap(BuildD3D9FormatMap());
+    D3D9FormatMap::const_iterator iter = formatMap->find(internalFormat);
+    if (iter != formatMap->end())
+    {
+        return iter->second;
+    }
+    else
+    {
+        static const TextureFormat defaultInfo;
+        return defaultInfo;
+    }
+}
+
+static GLenum GetDeclTypeComponentType(D3DDECLTYPE declType)
+{
+    switch (declType)
+    {
+        case D3DDECLTYPE_FLOAT1:
+            return GL_FLOAT;
+        case D3DDECLTYPE_FLOAT2:
+            return GL_FLOAT;
+        case D3DDECLTYPE_FLOAT3:
+            return GL_FLOAT;
+        case D3DDECLTYPE_FLOAT4:
+            return GL_FLOAT;
+        case D3DDECLTYPE_UBYTE4:
+            return GL_UNSIGNED_INT;
+        case D3DDECLTYPE_SHORT2:
+            return GL_INT;
+        case D3DDECLTYPE_SHORT4:
+            return GL_INT;
+        case D3DDECLTYPE_UBYTE4N:
+            return GL_UNSIGNED_NORMALIZED;
+        case D3DDECLTYPE_SHORT4N:
+            return GL_SIGNED_NORMALIZED;
+        case D3DDECLTYPE_USHORT4N:
+            return GL_UNSIGNED_NORMALIZED;
+        case D3DDECLTYPE_SHORT2N:
+            return GL_SIGNED_NORMALIZED;
+        case D3DDECLTYPE_USHORT2N:
+            return GL_UNSIGNED_NORMALIZED;
+        default:
+            UNREACHABLE();
+            return GL_NONE;
+    }
+}
+
+// Attribute format conversion
+enum
+{
+    NUM_GL_VERTEX_ATTRIB_TYPES = 6
+};
+
+struct TranslationDescription
+{
+    DWORD capsFlag;
+    VertexFormat preferredConversion;
+    VertexFormat fallbackConversion;
+};
+
+// Mapping from OpenGL-ES vertex attrib type to D3D decl type:
+//
+// BYTE                 SHORT (Cast)
+// BYTE-norm            FLOAT (Normalize) (can't be exactly represented as SHORT-norm)
+// UNSIGNED_BYTE        UBYTE4 (Identity) or SHORT (Cast)
+// UNSIGNED_BYTE-norm   UBYTE4N (Identity) or FLOAT (Normalize)
+// SHORT                SHORT (Identity)
+// SHORT-norm           SHORT-norm (Identity) or FLOAT (Normalize)
+// UNSIGNED_SHORT       FLOAT (Cast)
+// UNSIGNED_SHORT-norm  USHORT-norm (Identity) or FLOAT (Normalize)
+// FIXED (not in WebGL) FLOAT (FixedToFloat)
+// FLOAT                FLOAT (Identity)
+
+// GLToCType maps from GL type (as GLenum) to the C typedef.
+template <GLenum GLType>
+struct GLToCType
+{};
+
+template <>
+struct GLToCType<GL_BYTE>
+{
+    typedef GLbyte type;
+};
+template <>
+struct GLToCType<GL_UNSIGNED_BYTE>
+{
+    typedef GLubyte type;
+};
+template <>
+struct GLToCType<GL_SHORT>
+{
+    typedef GLshort type;
+};
+template <>
+struct GLToCType<GL_UNSIGNED_SHORT>
+{
+    typedef GLushort type;
+};
+template <>
+struct GLToCType<GL_FIXED>
+{
+    typedef GLuint type;
+};
+template <>
+struct GLToCType<GL_FLOAT>
+{
+    typedef GLfloat type;
+};
+
+// This differs from D3DDECLTYPE in that it is unsized. (Size expansion is applied last.)
+enum D3DVertexType
+{
+    D3DVT_FLOAT,
+    D3DVT_SHORT,
+    D3DVT_SHORT_NORM,
+    D3DVT_UBYTE,
+    D3DVT_UBYTE_NORM,
+    D3DVT_USHORT_NORM
+};
+
+// D3DToCType maps from D3D vertex type (as enum D3DVertexType) to the corresponding C type.
+template <unsigned int D3DType>
+struct D3DToCType
+{};
+
+template <>
+struct D3DToCType<D3DVT_FLOAT>
+{
+    typedef float type;
+};
+template <>
+struct D3DToCType<D3DVT_SHORT>
+{
+    typedef short type;
+};
+template <>
+struct D3DToCType<D3DVT_SHORT_NORM>
+{
+    typedef short type;
+};
+template <>
+struct D3DToCType<D3DVT_UBYTE>
+{
+    typedef unsigned char type;
+};
+template <>
+struct D3DToCType<D3DVT_UBYTE_NORM>
+{
+    typedef unsigned char type;
+};
+template <>
+struct D3DToCType<D3DVT_USHORT_NORM>
+{
+    typedef unsigned short type;
+};
+
+// Encode the type/size combinations that D3D permits. For each type/size it expands to a widener
+// that will provide the appropriate final size.
+template <unsigned int type, int size>
+struct WidenRule
+{};
+
+template <int size>
+struct WidenRule<D3DVT_FLOAT, size> : NoWiden<size>
+{};
+template <int size>
+struct WidenRule<D3DVT_SHORT, size> : WidenToEven<size>
+{};
+template <int size>
+struct WidenRule<D3DVT_SHORT_NORM, size> : WidenToEven<size>
+{};
+template <int size>
+struct WidenRule<D3DVT_UBYTE, size> : WidenToFour<size>
+{};
+template <int size>
+struct WidenRule<D3DVT_UBYTE_NORM, size> : WidenToFour<size>
+{};
+template <int size>
+struct WidenRule<D3DVT_USHORT_NORM, size> : WidenToEven<size>
+{};
+
+// VertexTypeFlags encodes the D3DCAPS9::DeclType flag and vertex declaration flag for each D3D
+// vertex type & size combination.
+template <unsigned int d3dtype, int size>
+struct VertexTypeFlags
+{};
+
+template <unsigned int _capflag, unsigned int _declflag>
+struct VertexTypeFlagsHelper
+{
+    enum
+    {
+        capflag = _capflag
+    };
+    enum
+    {
+        declflag = _declflag
+    };
+};
+
+template <>
+struct VertexTypeFlags<D3DVT_FLOAT, 1> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT1>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_FLOAT, 2> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT2>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_FLOAT, 3> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT3>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_FLOAT, 4> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT4>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_SHORT, 2> : VertexTypeFlagsHelper<0, D3DDECLTYPE_SHORT2>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_SHORT, 4> : VertexTypeFlagsHelper<0, D3DDECLTYPE_SHORT4>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_SHORT_NORM, 2>
+    : VertexTypeFlagsHelper<D3DDTCAPS_SHORT2N, D3DDECLTYPE_SHORT2N>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_SHORT_NORM, 4>
+    : VertexTypeFlagsHelper<D3DDTCAPS_SHORT4N, D3DDECLTYPE_SHORT4N>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_UBYTE, 4> : VertexTypeFlagsHelper<D3DDTCAPS_UBYTE4, D3DDECLTYPE_UBYTE4>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_UBYTE_NORM, 4>
+    : VertexTypeFlagsHelper<D3DDTCAPS_UBYTE4N, D3DDECLTYPE_UBYTE4N>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_USHORT_NORM, 2>
+    : VertexTypeFlagsHelper<D3DDTCAPS_USHORT2N, D3DDECLTYPE_USHORT2N>
+{};
+template <>
+struct VertexTypeFlags<D3DVT_USHORT_NORM, 4>
+    : VertexTypeFlagsHelper<D3DDTCAPS_USHORT4N, D3DDECLTYPE_USHORT4N>
+{};
+
+// VertexTypeMapping maps GL type & normalized flag to preferred and fallback D3D vertex types (as
+// D3DVertexType enums).
+template <GLenum GLtype, bool normalized>
+struct VertexTypeMapping
+{};
+
+template <D3DVertexType Preferred, D3DVertexType Fallback = Preferred>
+struct VertexTypeMappingBase
+{
+    enum
+    {
+        preferred = Preferred
+    };
+    enum
+    {
+        fallback = Fallback
+    };
+};
+
+template <>
+struct VertexTypeMapping<GL_BYTE, false> : VertexTypeMappingBase<D3DVT_SHORT>
+{};  // Cast
+template <>
+struct VertexTypeMapping<GL_BYTE, true> : VertexTypeMappingBase<D3DVT_FLOAT>
+{};  // Normalize
+template <>
+struct VertexTypeMapping<GL_UNSIGNED_BYTE, false> : VertexTypeMappingBase<D3DVT_UBYTE, D3DVT_FLOAT>
+{};  // Identity, Cast
+template <>
+struct VertexTypeMapping<GL_UNSIGNED_BYTE, true>
+    : VertexTypeMappingBase<D3DVT_UBYTE_NORM, D3DVT_FLOAT>
+{};  // Identity, Normalize
+template <>
+struct VertexTypeMapping<GL_SHORT, false> : VertexTypeMappingBase<D3DVT_SHORT>
+{};  // Identity
+template <>
+struct VertexTypeMapping<GL_SHORT, true> : VertexTypeMappingBase<D3DVT_SHORT_NORM, D3DVT_FLOAT>
+{};  // Cast, Normalize
+template <>
+struct VertexTypeMapping<GL_UNSIGNED_SHORT, false> : VertexTypeMappingBase<D3DVT_FLOAT>
+{};  // Cast
+template <>
+struct VertexTypeMapping<GL_UNSIGNED_SHORT, true>
+    : VertexTypeMappingBase<D3DVT_USHORT_NORM, D3DVT_FLOAT>
+{};  // Cast, Normalize
+template <bool normalized>
+struct VertexTypeMapping<GL_FIXED, normalized> : VertexTypeMappingBase<D3DVT_FLOAT>
+{};  // FixedToFloat
+template <bool normalized>
+struct VertexTypeMapping<GL_FLOAT, normalized> : VertexTypeMappingBase<D3DVT_FLOAT>
+{};  // Identity
+
+// Given a GL type & norm flag and a D3D type, ConversionRule provides the type conversion rule
+// (Cast, Normalize, Identity, FixedToFloat). The conversion rules themselves are defined in
+// vertexconversion.h.
+
+// Almost all cases are covered by Cast (including those that are actually Identity since Cast<T,T>
+// knows it's an identity mapping).
+template <GLenum fromType, bool normalized, unsigned int toType>
+struct ConversionRule : Cast<typename GLToCType<fromType>::type, typename D3DToCType<toType>::type>
+{};
+
+// All conversions from normalized types to float use the Normalize operator.
+template <GLenum fromType>
+struct ConversionRule<fromType, true, D3DVT_FLOAT> : Normalize<typename GLToCType<fromType>::type>
+{};
+
+// Use a full specialization for this so that it preferentially matches ahead of the generic
+// normalize-to-float rules.
+template <>
+struct ConversionRule<GL_FIXED, true, D3DVT_FLOAT> : FixedToFloat<GLint, 16>
+{};
+template <>
+struct ConversionRule<GL_FIXED, false, D3DVT_FLOAT> : FixedToFloat<GLint, 16>
+{};
+
+// A 2-stage construction is used for DefaultVertexValues because float must use SimpleDefaultValues
+// (i.e. 0/1) whether it is normalized or not.
+template <class T, bool normalized>
+struct DefaultVertexValuesStage2
+{};
+
+template <class T>
+struct DefaultVertexValuesStage2<T, true> : NormalizedDefaultValues<T>
+{};
+template <class T>
+struct DefaultVertexValuesStage2<T, false> : SimpleDefaultValues<T>
+{};
+
+// Work out the default value rule for a D3D type (expressed as the C type) and
+template <class T, bool normalized>
+struct DefaultVertexValues : DefaultVertexValuesStage2<T, normalized>
+{};
+template <bool normalized>
+struct DefaultVertexValues<float, normalized> : SimpleDefaultValues<float>
+{};
+
+// Policy rules for use with Converter, to choose whether to use the preferred or fallback
+// conversion. The fallback conversion produces an output that all D3D9 devices must support.
+template <class T>
+struct UsePreferred
+{
+    enum
+    {
+        type = T::preferred
+    };
+};
+template <class T>
+struct UseFallback
+{
+    enum
+    {
+        type = T::fallback
+    };
+};
+
+// Converter ties it all together. Given an OpenGL type/norm/size and choice of preferred/fallback
+// conversion, it provides all the members of the appropriate VertexDataConverter, the
+// D3DCAPS9::DeclTypes flag in cap flag and the D3DDECLTYPE member needed for the vertex declaration
+// in declflag.
+template <GLenum fromType, bool normalized, int size, template <class T> class PreferenceRule>
+struct Converter
+    : VertexDataConverter<
+          typename GLToCType<fromType>::type,
+          WidenRule<PreferenceRule<VertexTypeMapping<fromType, normalized>>::type, size>,
+          ConversionRule<fromType,
+                         normalized,
+                         PreferenceRule<VertexTypeMapping<fromType, normalized>>::type>,
+          DefaultVertexValues<typename D3DToCType<PreferenceRule<
+                                  VertexTypeMapping<fromType, normalized>>::type>::type,
+                              normalized>>
+{
+  private:
+    enum
+    {
+        d3dtype = PreferenceRule<VertexTypeMapping<fromType, normalized>>::type
+    };
+    enum
+    {
+        d3dsize = WidenRule<d3dtype, size>::finalWidth
+    };
+
+  public:
+    enum
+    {
+        capflag = VertexTypeFlags<d3dtype, d3dsize>::capflag
+    };
+    enum
+    {
+        declflag = VertexTypeFlags<d3dtype, d3dsize>::declflag
+    };
+};
+
+VertexFormat::VertexFormat()
+    : conversionType(VERTEX_CONVERT_NONE),
+      outputElementSize(0),
+      copyFunction(nullptr),
+      nativeFormat(D3DDECLTYPE_UNUSED),
+      componentType(GL_NONE)
+{}
+
+// Initialize a TranslationInfo
+VertexFormat CreateVertexFormatInfo(bool identity,
+                                    size_t elementSize,
+                                    VertexCopyFunction copyFunc,
+                                    D3DDECLTYPE nativeFormat)
+{
+    VertexFormat formatInfo;
+    formatInfo.conversionType    = identity ? VERTEX_CONVERT_NONE : VERTEX_CONVERT_CPU;
+    formatInfo.outputElementSize = elementSize;
+    formatInfo.copyFunction      = copyFunc;
+    formatInfo.nativeFormat      = nativeFormat;
+    formatInfo.componentType     = GetDeclTypeComponentType(nativeFormat);
+    return formatInfo;
+}
+
+#define TRANSLATION(type, norm, size, preferred)              \
+    CreateVertexFormatInfo(                                   \
+        Converter<type, norm, size, preferred>::identity,     \
+        Converter<type, norm, size, preferred>::finalSize,    \
+        Converter<type, norm, size, preferred>::convertArray, \
+        static_cast<D3DDECLTYPE>(Converter<type, norm, size, preferred>::declflag))
+
+#define TRANSLATION_FOR_TYPE_NORM_SIZE(type, norm, size)    \
+    {                                                       \
+        Converter<type, norm, size, UsePreferred>::capflag, \
+            TRANSLATION(type, norm, size, UsePreferred),    \
+            TRANSLATION(type, norm, size, UseFallback)      \
+    }
+
+#define TRANSLATIONS_FOR_TYPE(type)                          \
+    {                                                        \
+        {TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1),     \
+         TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2),     \
+         TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3),     \
+         TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4)},    \
+            {TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 1),  \
+             TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 2),  \
+             TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 3),  \
+             TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 4)}, \
+    }
+
+#define TRANSLATIONS_FOR_TYPE_NO_NORM(type)                   \
+    {                                                         \
+        {TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1),      \
+         TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2),      \
+         TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3),      \
+         TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4)},     \
+            {TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1),  \
+             TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2),  \
+             TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3),  \
+             TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4)}, \
+    }
+
+static inline unsigned int ComputeTypeIndex(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return 0;
+        case GL_UNSIGNED_BYTE:
+            return 1;
+        case GL_SHORT:
+            return 2;
+        case GL_UNSIGNED_SHORT:
+            return 3;
+        case GL_FIXED:
+            return 4;
+        case GL_FLOAT:
+            return 5;
+
+        default:
+            UNREACHABLE();
+            return 5;
+    }
+}
+
+const VertexFormat &GetVertexFormatInfo(DWORD supportedDeclTypes, angle::FormatID vertexFormatID)
+{
+    static DWORD initializedDeclTypes = 0;
+    static VertexFormat formatConverters[NUM_GL_VERTEX_ATTRIB_TYPES][2][4];
+    if (initializedDeclTypes != supportedDeclTypes)
+    {
+        const TranslationDescription
+            translations[NUM_GL_VERTEX_ATTRIB_TYPES][2]
+                        [4] =  // [GL types as enumerated by typeIndex()][normalized][size-1]
+            {TRANSLATIONS_FOR_TYPE(GL_BYTE),          TRANSLATIONS_FOR_TYPE(GL_UNSIGNED_BYTE),
+             TRANSLATIONS_FOR_TYPE(GL_SHORT),         TRANSLATIONS_FOR_TYPE(GL_UNSIGNED_SHORT),
+             TRANSLATIONS_FOR_TYPE_NO_NORM(GL_FIXED), TRANSLATIONS_FOR_TYPE_NO_NORM(GL_FLOAT)};
+        for (unsigned int i = 0; i < NUM_GL_VERTEX_ATTRIB_TYPES; i++)
+        {
+            for (unsigned int j = 0; j < 2; j++)
+            {
+                for (unsigned int k = 0; k < 4; k++)
+                {
+                    if (translations[i][j][k].capsFlag == 0 ||
+                        (supportedDeclTypes & translations[i][j][k].capsFlag) != 0)
+                    {
+                        formatConverters[i][j][k] = translations[i][j][k].preferredConversion;
+                    }
+                    else
+                    {
+                        formatConverters[i][j][k] = translations[i][j][k].fallbackConversion;
+                    }
+                }
+            }
+        }
+        initializedDeclTypes = supportedDeclTypes;
+    }
+
+    const gl::VertexFormat &vertexFormat = gl::GetVertexFormatFromID(vertexFormatID);
+
+    // Pure integer attributes only supported in ES3.0
+    ASSERT(!vertexFormat.pureInteger);
+    return formatConverters[ComputeTypeIndex(vertexFormat.type)][vertexFormat.normalized]
+                           [vertexFormat.components - 1];
+}
+}  // namespace d3d9
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/formatutils9.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/formatutils9.h
new file mode 100644
index 0000000000..c3997ec0e9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/formatutils9.h
@@ -0,0 +1,59 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils9.h: Queries for GL image formats and their translations to D3D9
+// formats.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_FORMATUTILS9_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_FORMATUTILS9_H_
+
+#include <map>
+
+#include "common/platform.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/Format.h"
+#include "libANGLE/renderer/copyvertex.h"
+#include "libANGLE/renderer/d3d/formatutilsD3D.h"
+#include "libANGLE/renderer/d3d_format.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace rx
+{
+
+class Renderer9;
+
+namespace d3d9
+{
+
+struct VertexFormat
+{
+    VertexFormat();
+
+    VertexConversionType conversionType;
+    size_t outputElementSize;
+    VertexCopyFunction copyFunction;
+    D3DDECLTYPE nativeFormat;
+    GLenum componentType;
+};
+const VertexFormat &GetVertexFormatInfo(DWORD supportedDeclTypes, angle::FormatID vertexFormatID);
+
+struct TextureFormat
+{
+    TextureFormat();
+
+    D3DFORMAT texFormat;
+    D3DFORMAT renderFormat;
+
+    InitializeTextureDataFunction dataInitializerFunction;
+
+    LoadImageFunction loadFunction;
+};
+const TextureFormat &GetTextureFormatInfo(GLenum internalFormat);
+}  // namespace d3d9
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_FORMATUTILS9_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.cpp
new file mode 100644
index 0000000000..79e5c9cb06
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.cpp
@@ -0,0 +1,845 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// renderer9_utils.cpp: Conversion functions and other utility routines
+// specific to the D3D9 renderer.
+
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+#include "common/debug.h"
+#include "common/mathutil.h"
+
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/driver_utils.h"
+#include "platform/FeaturesD3D_autogen.h"
+#include "platform/PlatformMethods.h"
+
+#include "third_party/systeminfo/SystemInfo.h"
+
+namespace rx
+{
+
+namespace gl_d3d9
+{
+
+D3DCMPFUNC ConvertComparison(GLenum comparison)
+{
+    D3DCMPFUNC d3dComp = D3DCMP_ALWAYS;
+    switch (comparison)
+    {
+        case GL_NEVER:
+            d3dComp = D3DCMP_NEVER;
+            break;
+        case GL_ALWAYS:
+            d3dComp = D3DCMP_ALWAYS;
+            break;
+        case GL_LESS:
+            d3dComp = D3DCMP_LESS;
+            break;
+        case GL_LEQUAL:
+            d3dComp = D3DCMP_LESSEQUAL;
+            break;
+        case GL_EQUAL:
+            d3dComp = D3DCMP_EQUAL;
+            break;
+        case GL_GREATER:
+            d3dComp = D3DCMP_GREATER;
+            break;
+        case GL_GEQUAL:
+            d3dComp = D3DCMP_GREATEREQUAL;
+            break;
+        case GL_NOTEQUAL:
+            d3dComp = D3DCMP_NOTEQUAL;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dComp;
+}
+
+D3DCOLOR ConvertColor(gl::ColorF color)
+{
+    return D3DCOLOR_RGBA(gl::unorm<8>(color.red), gl::unorm<8>(color.green),
+                         gl::unorm<8>(color.blue), gl::unorm<8>(color.alpha));
+}
+
+D3DBLEND ConvertBlendFunc(GLenum blend)
+{
+    D3DBLEND d3dBlend = D3DBLEND_ZERO;
+
+    switch (blend)
+    {
+        case GL_ZERO:
+            d3dBlend = D3DBLEND_ZERO;
+            break;
+        case GL_ONE:
+            d3dBlend = D3DBLEND_ONE;
+            break;
+        case GL_SRC_COLOR:
+            d3dBlend = D3DBLEND_SRCCOLOR;
+            break;
+        case GL_ONE_MINUS_SRC_COLOR:
+            d3dBlend = D3DBLEND_INVSRCCOLOR;
+            break;
+        case GL_DST_COLOR:
+            d3dBlend = D3DBLEND_DESTCOLOR;
+            break;
+        case GL_ONE_MINUS_DST_COLOR:
+            d3dBlend = D3DBLEND_INVDESTCOLOR;
+            break;
+        case GL_SRC_ALPHA:
+            d3dBlend = D3DBLEND_SRCALPHA;
+            break;
+        case GL_ONE_MINUS_SRC_ALPHA:
+            d3dBlend = D3DBLEND_INVSRCALPHA;
+            break;
+        case GL_DST_ALPHA:
+            d3dBlend = D3DBLEND_DESTALPHA;
+            break;
+        case GL_ONE_MINUS_DST_ALPHA:
+            d3dBlend = D3DBLEND_INVDESTALPHA;
+            break;
+        case GL_CONSTANT_COLOR:
+            d3dBlend = D3DBLEND_BLENDFACTOR;
+            break;
+        case GL_ONE_MINUS_CONSTANT_COLOR:
+            d3dBlend = D3DBLEND_INVBLENDFACTOR;
+            break;
+        case GL_CONSTANT_ALPHA:
+            d3dBlend = D3DBLEND_BLENDFACTOR;
+            break;
+        case GL_ONE_MINUS_CONSTANT_ALPHA:
+            d3dBlend = D3DBLEND_INVBLENDFACTOR;
+            break;
+        case GL_SRC_ALPHA_SATURATE:
+            d3dBlend = D3DBLEND_SRCALPHASAT;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dBlend;
+}
+
+D3DBLENDOP ConvertBlendOp(GLenum blendOp)
+{
+    D3DBLENDOP d3dBlendOp = D3DBLENDOP_ADD;
+
+    switch (blendOp)
+    {
+        case GL_FUNC_ADD:
+            d3dBlendOp = D3DBLENDOP_ADD;
+            break;
+        case GL_FUNC_SUBTRACT:
+            d3dBlendOp = D3DBLENDOP_SUBTRACT;
+            break;
+        case GL_FUNC_REVERSE_SUBTRACT:
+            d3dBlendOp = D3DBLENDOP_REVSUBTRACT;
+            break;
+        case GL_MIN_EXT:
+            d3dBlendOp = D3DBLENDOP_MIN;
+            break;
+        case GL_MAX_EXT:
+            d3dBlendOp = D3DBLENDOP_MAX;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dBlendOp;
+}
+
+D3DSTENCILOP ConvertStencilOp(GLenum stencilOp)
+{
+    D3DSTENCILOP d3dStencilOp = D3DSTENCILOP_KEEP;
+
+    switch (stencilOp)
+    {
+        case GL_ZERO:
+            d3dStencilOp = D3DSTENCILOP_ZERO;
+            break;
+        case GL_KEEP:
+            d3dStencilOp = D3DSTENCILOP_KEEP;
+            break;
+        case GL_REPLACE:
+            d3dStencilOp = D3DSTENCILOP_REPLACE;
+            break;
+        case GL_INCR:
+            d3dStencilOp = D3DSTENCILOP_INCRSAT;
+            break;
+        case GL_DECR:
+            d3dStencilOp = D3DSTENCILOP_DECRSAT;
+            break;
+        case GL_INVERT:
+            d3dStencilOp = D3DSTENCILOP_INVERT;
+            break;
+        case GL_INCR_WRAP:
+            d3dStencilOp = D3DSTENCILOP_INCR;
+            break;
+        case GL_DECR_WRAP:
+            d3dStencilOp = D3DSTENCILOP_DECR;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dStencilOp;
+}
+
+D3DTEXTUREADDRESS ConvertTextureWrap(GLenum wrap)
+{
+    D3DTEXTUREADDRESS d3dWrap = D3DTADDRESS_WRAP;
+
+    switch (wrap)
+    {
+        case GL_REPEAT:
+            d3dWrap = D3DTADDRESS_WRAP;
+            break;
+        case GL_CLAMP_TO_EDGE:
+            d3dWrap = D3DTADDRESS_CLAMP;
+            break;
+        case GL_CLAMP_TO_BORDER:
+            d3dWrap = D3DTADDRESS_BORDER;
+            break;
+        case GL_MIRRORED_REPEAT:
+            d3dWrap = D3DTADDRESS_MIRROR;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dWrap;
+}
+
+D3DCULL ConvertCullMode(gl::CullFaceMode cullFace, GLenum frontFace)
+{
+    D3DCULL cull = D3DCULL_CCW;
+    switch (cullFace)
+    {
+        case gl::CullFaceMode::Front:
+            cull = (frontFace == GL_CCW ? D3DCULL_CW : D3DCULL_CCW);
+            break;
+        case gl::CullFaceMode::Back:
+            cull = (frontFace == GL_CCW ? D3DCULL_CCW : D3DCULL_CW);
+            break;
+        case gl::CullFaceMode::FrontAndBack:
+            cull = D3DCULL_NONE;  // culling will be handled during draw
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return cull;
+}
+
+D3DCUBEMAP_FACES ConvertCubeFace(gl::TextureTarget cubeFace)
+{
+    D3DCUBEMAP_FACES face = D3DCUBEMAP_FACE_POSITIVE_X;
+
+    switch (cubeFace)
+    {
+        case gl::TextureTarget::CubeMapPositiveX:
+            face = D3DCUBEMAP_FACE_POSITIVE_X;
+            break;
+        case gl::TextureTarget::CubeMapNegativeX:
+            face = D3DCUBEMAP_FACE_NEGATIVE_X;
+            break;
+        case gl::TextureTarget::CubeMapPositiveY:
+            face = D3DCUBEMAP_FACE_POSITIVE_Y;
+            break;
+        case gl::TextureTarget::CubeMapNegativeY:
+            face = D3DCUBEMAP_FACE_NEGATIVE_Y;
+            break;
+        case gl::TextureTarget::CubeMapPositiveZ:
+            face = D3DCUBEMAP_FACE_POSITIVE_Z;
+            break;
+        case gl::TextureTarget::CubeMapNegativeZ:
+            face = D3DCUBEMAP_FACE_NEGATIVE_Z;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return face;
+}
+
+DWORD ConvertColorMask(bool red, bool green, bool blue, bool alpha)
+{
+    return (red ? D3DCOLORWRITEENABLE_RED : 0) | (green ? D3DCOLORWRITEENABLE_GREEN : 0) |
+           (blue ? D3DCOLORWRITEENABLE_BLUE : 0) | (alpha ? D3DCOLORWRITEENABLE_ALPHA : 0);
+}
+
+D3DTEXTUREFILTERTYPE ConvertMagFilter(GLenum magFilter, float maxAnisotropy)
+{
+    if (maxAnisotropy > 1.0f)
+    {
+        return D3DTEXF_ANISOTROPIC;
+    }
+
+    D3DTEXTUREFILTERTYPE d3dMagFilter = D3DTEXF_POINT;
+    switch (magFilter)
+    {
+        case GL_NEAREST:
+            d3dMagFilter = D3DTEXF_POINT;
+            break;
+        case GL_LINEAR:
+            d3dMagFilter = D3DTEXF_LINEAR;
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    return d3dMagFilter;
+}
+
+void ConvertMinFilter(GLenum minFilter,
+                      D3DTEXTUREFILTERTYPE *d3dMinFilter,
+                      D3DTEXTUREFILTERTYPE *d3dMipFilter,
+                      float *d3dLodBias,
+                      float maxAnisotropy,
+                      size_t baseLevel)
+{
+    switch (minFilter)
+    {
+        case GL_NEAREST:
+            *d3dMinFilter = D3DTEXF_POINT;
+            *d3dMipFilter = D3DTEXF_NONE;
+            break;
+        case GL_LINEAR:
+            *d3dMinFilter = D3DTEXF_LINEAR;
+            *d3dMipFilter = D3DTEXF_NONE;
+            break;
+        case GL_NEAREST_MIPMAP_NEAREST:
+            *d3dMinFilter = D3DTEXF_POINT;
+            *d3dMipFilter = D3DTEXF_POINT;
+            break;
+        case GL_LINEAR_MIPMAP_NEAREST:
+            *d3dMinFilter = D3DTEXF_LINEAR;
+            *d3dMipFilter = D3DTEXF_POINT;
+            break;
+        case GL_NEAREST_MIPMAP_LINEAR:
+            *d3dMinFilter = D3DTEXF_POINT;
+            *d3dMipFilter = D3DTEXF_LINEAR;
+            break;
+        case GL_LINEAR_MIPMAP_LINEAR:
+            *d3dMinFilter = D3DTEXF_LINEAR;
+            *d3dMipFilter = D3DTEXF_LINEAR;
+            break;
+        default:
+            *d3dMinFilter = D3DTEXF_POINT;
+            *d3dMipFilter = D3DTEXF_NONE;
+            UNREACHABLE();
+    }
+
+    // Disabling mipmapping will always sample from level 0 of the texture. It is possible to work
+    // around this by modifying D3DSAMP_MAXMIPLEVEL to force a specific mip level to become the
+    // lowest sampled mip level and using a large negative value for D3DSAMP_MIPMAPLODBIAS to
+    // ensure that only the base mip level is sampled.
+    if (baseLevel > 0 && *d3dMipFilter == D3DTEXF_NONE)
+    {
+        *d3dMipFilter = D3DTEXF_POINT;
+        *d3dLodBias   = -static_cast<float>(gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS);
+    }
+    else
+    {
+        *d3dLodBias = 0.0f;
+    }
+
+    if (maxAnisotropy > 1.0f)
+    {
+        *d3dMinFilter = D3DTEXF_ANISOTROPIC;
+    }
+}
+
+D3DQUERYTYPE ConvertQueryType(gl::QueryType type)
+{
+    switch (type)
+    {
+        case gl::QueryType::AnySamples:
+        case gl::QueryType::AnySamplesConservative:
+            return D3DQUERYTYPE_OCCLUSION;
+        case gl::QueryType::CommandsCompleted:
+            return D3DQUERYTYPE_EVENT;
+        default:
+            UNREACHABLE();
+            return static_cast<D3DQUERYTYPE>(0);
+    }
+}
+
+D3DMULTISAMPLE_TYPE GetMultisampleType(GLuint samples)
+{
+    return (samples > 1) ? static_cast<D3DMULTISAMPLE_TYPE>(samples) : D3DMULTISAMPLE_NONE;
+}
+
+}  // namespace gl_d3d9
+
+namespace d3d9_gl
+{
+
+unsigned int GetReservedVaryingVectors()
+{
+    // We reserve two registers for "dx_Position" and "gl_Position". The spec says they
+    // don't count towards the varying limit, so we must make space for them. We also
+    // reserve the last register since it can only pass a PSIZE, and not any arbitrary
+    // varying.
+    return 3;
+}
+
+unsigned int GetReservedVertexUniformVectors()
+{
+    return 3;  // dx_ViewCoords, dx_ViewAdjust and dx_DepthRange.
+}
+
+unsigned int GetReservedFragmentUniformVectors()
+{
+    return 4;  // dx_ViewCoords, dx_DepthFront, dx_DepthRange, dx_FragCoordoffset.
+}
+
+GLsizei GetSamplesCount(D3DMULTISAMPLE_TYPE type)
+{
+    return (type != D3DMULTISAMPLE_NONMASKABLE) ? type : 0;
+}
+
+bool IsFormatChannelEquivalent(D3DFORMAT d3dformat, GLenum format)
+{
+    GLenum internalFormat  = d3d9::GetD3DFormatInfo(d3dformat).info().glInternalFormat;
+    GLenum convertedFormat = gl::GetSizedInternalFormatInfo(internalFormat).format;
+    return convertedFormat == format;
+}
+
+static gl::TextureCaps GenerateTextureFormatCaps(GLenum internalFormat,
+                                                 IDirect3D9 *d3d9,
+                                                 D3DDEVTYPE deviceType,
+                                                 UINT adapter,
+                                                 D3DFORMAT adapterFormat)
+{
+    gl::TextureCaps textureCaps;
+
+    const d3d9::TextureFormat &d3dFormatInfo = d3d9::GetTextureFormatInfo(internalFormat);
+    const gl::InternalFormat &formatInfo     = gl::GetSizedInternalFormatInfo(internalFormat);
+
+    if (d3dFormatInfo.texFormat != D3DFMT_UNKNOWN)
+    {
+        if (formatInfo.depthBits > 0 || formatInfo.stencilBits > 0)
+        {
+            textureCaps.texturable = SUCCEEDED(d3d9->CheckDeviceFormat(
+                adapter, deviceType, adapterFormat, 0, D3DRTYPE_TEXTURE, d3dFormatInfo.texFormat));
+        }
+        else
+        {
+            textureCaps.texturable =
+                SUCCEEDED(d3d9->CheckDeviceFormat(adapter, deviceType, adapterFormat, 0,
+                                                  D3DRTYPE_TEXTURE, d3dFormatInfo.texFormat)) &&
+                SUCCEEDED(d3d9->CheckDeviceFormat(adapter, deviceType, adapterFormat, 0,
+                                                  D3DRTYPE_CUBETEXTURE, d3dFormatInfo.texFormat));
+            if (textureCaps.texturable && (formatInfo.colorEncoding == GL_SRGB))
+            {
+                textureCaps.texturable =
+                    SUCCEEDED(d3d9->CheckDeviceFormat(adapter, deviceType, adapterFormat,
+                                                      D3DUSAGE_QUERY_SRGBREAD, D3DRTYPE_TEXTURE,
+                                                      d3dFormatInfo.texFormat)) &&
+                    SUCCEEDED(d3d9->CheckDeviceFormat(adapter, deviceType, adapterFormat,
+                                                      D3DUSAGE_QUERY_SRGBREAD, D3DRTYPE_CUBETEXTURE,
+                                                      d3dFormatInfo.texFormat));
+            }
+        }
+
+        textureCaps.filterable = SUCCEEDED(
+            d3d9->CheckDeviceFormat(adapter, deviceType, adapterFormat, D3DUSAGE_QUERY_FILTER,
+                                    D3DRTYPE_TEXTURE, d3dFormatInfo.texFormat));
+    }
+
+    if (d3dFormatInfo.renderFormat != D3DFMT_UNKNOWN)
+    {
+        textureCaps.textureAttachment = SUCCEEDED(
+            d3d9->CheckDeviceFormat(adapter, deviceType, adapterFormat, D3DUSAGE_RENDERTARGET,
+                                    D3DRTYPE_TEXTURE, d3dFormatInfo.renderFormat));
+        if (textureCaps.textureAttachment && (formatInfo.colorEncoding == GL_SRGB))
+        {
+            textureCaps.textureAttachment = SUCCEEDED(d3d9->CheckDeviceFormat(
+                adapter, deviceType, adapterFormat, D3DUSAGE_QUERY_SRGBWRITE, D3DRTYPE_TEXTURE,
+                d3dFormatInfo.renderFormat));
+        }
+
+        if ((formatInfo.depthBits > 0 || formatInfo.stencilBits > 0) &&
+            !textureCaps.textureAttachment)
+        {
+            textureCaps.textureAttachment = SUCCEEDED(
+                d3d9->CheckDeviceFormat(adapter, deviceType, adapterFormat, D3DUSAGE_DEPTHSTENCIL,
+                                        D3DRTYPE_TEXTURE, d3dFormatInfo.renderFormat));
+        }
+        textureCaps.renderbuffer = textureCaps.textureAttachment;
+        textureCaps.blendable    = textureCaps.renderbuffer;
+
+        textureCaps.sampleCounts.insert(1);
+        for (unsigned int i = D3DMULTISAMPLE_2_SAMPLES; i <= D3DMULTISAMPLE_16_SAMPLES; i++)
+        {
+            D3DMULTISAMPLE_TYPE multisampleType = D3DMULTISAMPLE_TYPE(i);
+
+            HRESULT result = d3d9->CheckDeviceMultiSampleType(
+                adapter, deviceType, d3dFormatInfo.renderFormat, TRUE, multisampleType, nullptr);
+            if (SUCCEEDED(result))
+            {
+                textureCaps.sampleCounts.insert(i);
+            }
+        }
+    }
+
+    return textureCaps;
+}
+
+void GenerateCaps(IDirect3D9 *d3d9,
+                  IDirect3DDevice9 *device,
+                  D3DDEVTYPE deviceType,
+                  UINT adapter,
+                  gl::Caps *caps,
+                  gl::TextureCapsMap *textureCapsMap,
+                  gl::Extensions *extensions,
+                  gl::Limitations *limitations)
+{
+    D3DCAPS9 deviceCaps;
+    if (FAILED(d3d9->GetDeviceCaps(adapter, deviceType, &deviceCaps)))
+    {
+        // Can't continue with out device caps
+        return;
+    }
+
+    D3DDISPLAYMODE currentDisplayMode;
+    d3d9->GetAdapterDisplayMode(adapter, &currentDisplayMode);
+
+    GLuint maxSamples = 0;
+    for (GLenum internalFormat : gl::GetAllSizedInternalFormats())
+    {
+        gl::TextureCaps textureCaps = GenerateTextureFormatCaps(internalFormat, d3d9, deviceType,
+                                                                adapter, currentDisplayMode.Format);
+        textureCapsMap->insert(internalFormat, textureCaps);
+
+        maxSamples = std::max(maxSamples, textureCaps.getMaxSamples());
+    }
+
+    // GL core feature limits
+    caps->maxElementIndex = static_cast<GLint64>(std::numeric_limits<unsigned int>::max());
+
+    // 3D textures are unimplemented in D3D9
+    caps->max3DTextureSize = 1;
+
+    // Only one limit in GL, use the minimum dimension
+    caps->max2DTextureSize = std::min(deviceCaps.MaxTextureWidth, deviceCaps.MaxTextureHeight);
+
+    // D3D treats cube maps as a special case of 2D textures
+    caps->maxCubeMapTextureSize = caps->max2DTextureSize;
+
+    // Array textures are not available in D3D9
+    caps->maxArrayTextureLayers = 1;
+
+    // ES3-only feature
+    caps->maxLODBias = 0.0f;
+
+    // No specific limits on render target size, maximum 2D texture size is equivalent
+    caps->maxRenderbufferSize = caps->max2DTextureSize;
+
+    // Draw buffers are not supported in D3D9
+    caps->maxDrawBuffers      = 1;
+    caps->maxColorAttachments = 1;
+
+    // No specific limits on viewport size, maximum 2D texture size is equivalent
+    caps->maxViewportWidth  = caps->max2DTextureSize;
+    caps->maxViewportHeight = caps->maxViewportWidth;
+
+    // Point size is clamped to 1.0f when the shader model is less than 3
+    caps->minAliasedPointSize = 1.0f;
+    caps->maxAliasedPointSize =
+        ((D3DSHADER_VERSION_MAJOR(deviceCaps.PixelShaderVersion) >= 3) ? deviceCaps.MaxPointSize
+                                                                       : 1.0f);
+
+    // Wide lines not supported
+    caps->minAliasedLineWidth = 1.0f;
+    caps->maxAliasedLineWidth = 1.0f;
+
+    // Primitive count limits (unused in ES2)
+    caps->maxElementsIndices  = 0;
+    caps->maxElementsVertices = 0;
+
+    // Program and shader binary formats (no supported shader binary formats)
+    caps->programBinaryFormats.push_back(GL_PROGRAM_BINARY_ANGLE);
+
+    caps->vertexHighpFloat.setIEEEFloat();
+    caps->vertexMediumpFloat.setIEEEFloat();
+    caps->vertexLowpFloat.setIEEEFloat();
+    caps->fragmentHighpFloat.setIEEEFloat();
+    caps->fragmentMediumpFloat.setIEEEFloat();
+    caps->fragmentLowpFloat.setIEEEFloat();
+
+    // Some (most) hardware only supports single-precision floating-point numbers,
+    // which can accurately represent integers up to +/-16777216
+    caps->vertexHighpInt.setSimulatedInt(24);
+    caps->vertexMediumpInt.setSimulatedInt(24);
+    caps->vertexLowpInt.setSimulatedInt(24);
+    caps->fragmentHighpInt.setSimulatedInt(24);
+    caps->fragmentMediumpInt.setSimulatedInt(24);
+    caps->fragmentLowpInt.setSimulatedInt(24);
+
+    // WaitSync is ES3-only, set to zero
+    caps->maxServerWaitTimeout = 0;
+
+    // Vertex shader limits
+    caps->maxVertexAttributes = 16;
+    // Vertex Attrib Binding not supported.
+    caps->maxVertexAttribBindings = caps->maxVertexAttributes;
+
+    const size_t MAX_VERTEX_CONSTANT_VECTORS_D3D9 = 256;
+    caps->maxVertexUniformVectors =
+        MAX_VERTEX_CONSTANT_VECTORS_D3D9 - GetReservedVertexUniformVectors();
+    caps->maxShaderUniformComponents[gl::ShaderType::Vertex] = caps->maxVertexUniformVectors * 4;
+
+    caps->maxShaderUniformBlocks[gl::ShaderType::Vertex] = 0;
+
+    // SM3 only supports 12 output variables, but the special 12th register is only for PSIZE.
+    const unsigned int MAX_VERTEX_OUTPUT_VECTORS_SM3 = 12 - GetReservedVaryingVectors();
+    const unsigned int MAX_VERTEX_OUTPUT_VECTORS_SM2 = 10 - GetReservedVaryingVectors();
+    caps->maxVertexOutputComponents =
+        ((deviceCaps.VertexShaderVersion >= D3DVS_VERSION(3, 0)) ? MAX_VERTEX_OUTPUT_VECTORS_SM3
+                                                                 : MAX_VERTEX_OUTPUT_VECTORS_SM2) *
+        4;
+
+    // Only Direct3D 10 ready devices support all the necessary vertex texture formats.
+    // We test this using D3D9 by checking support for the R16F format.
+    if (deviceCaps.VertexShaderVersion >= D3DVS_VERSION(3, 0) &&
+        SUCCEEDED(d3d9->CheckDeviceFormat(adapter, deviceType, currentDisplayMode.Format,
+                                          D3DUSAGE_QUERY_VERTEXTEXTURE, D3DRTYPE_TEXTURE,
+                                          D3DFMT_R16F)))
+    {
+        const size_t MAX_TEXTURE_IMAGE_UNITS_VTF_SM3             = 4;
+        caps->maxShaderTextureImageUnits[gl::ShaderType::Vertex] = MAX_TEXTURE_IMAGE_UNITS_VTF_SM3;
+    }
+    else
+    {
+        caps->maxShaderTextureImageUnits[gl::ShaderType::Vertex] = 0;
+    }
+
+    // Fragment shader limits
+    const size_t MAX_PIXEL_CONSTANT_VECTORS_SM3 = 224;
+    const size_t MAX_PIXEL_CONSTANT_VECTORS_SM2 = 32;
+    caps->maxFragmentUniformVectors =
+        ((deviceCaps.PixelShaderVersion >= D3DPS_VERSION(3, 0)) ? MAX_PIXEL_CONSTANT_VECTORS_SM3
+                                                                : MAX_PIXEL_CONSTANT_VECTORS_SM2) -
+        GetReservedFragmentUniformVectors();
+    caps->maxShaderUniformComponents[gl::ShaderType::Fragment] =
+        caps->maxFragmentUniformVectors * 4;
+    caps->maxShaderUniformBlocks[gl::ShaderType::Fragment]     = 0;
+    caps->maxFragmentInputComponents                           = caps->maxVertexOutputComponents;
+    caps->maxShaderTextureImageUnits[gl::ShaderType::Fragment] = 16;
+    caps->minProgramTexelOffset                                = 0;
+    caps->maxProgramTexelOffset                                = 0;
+
+    // Aggregate shader limits (unused in ES2)
+    caps->maxUniformBufferBindings                                     = 0;
+    caps->maxUniformBlockSize                                          = 0;
+    caps->uniformBufferOffsetAlignment                                 = 0;
+    caps->maxCombinedUniformBlocks                                     = 0;
+    caps->maxCombinedShaderUniformComponents[gl::ShaderType::Vertex]   = 0;
+    caps->maxCombinedShaderUniformComponents[gl::ShaderType::Fragment] = 0;
+    caps->maxVaryingComponents                                         = 0;
+
+    // Aggregate shader limits
+    caps->maxVaryingVectors            = caps->maxVertexOutputComponents / 4;
+    caps->maxCombinedTextureImageUnits = caps->maxShaderTextureImageUnits[gl::ShaderType::Vertex] +
+                                         caps->maxShaderTextureImageUnits[gl::ShaderType::Fragment];
+
+    // Transform feedback limits
+    caps->maxTransformFeedbackInterleavedComponents = 0;
+    caps->maxTransformFeedbackSeparateAttributes    = 0;
+    caps->maxTransformFeedbackSeparateComponents    = 0;
+
+    // Multisample limits
+    caps->maxSamples = maxSamples;
+
+    // GL extension support
+    extensions->setTextureExtensionSupport(*textureCapsMap);
+    extensions->elementIndexUintOES = deviceCaps.MaxVertexIndex >= (1 << 16);
+    extensions->getProgramBinaryOES = true;
+    extensions->rgb8Rgba8OES        = true;
+    extensions->readFormatBgraEXT   = true;
+    extensions->pixelBufferObjectNV = false;
+    extensions->mapbufferOES        = false;
+    extensions->mapBufferRangeEXT   = false;
+
+    // D3D does not allow depth textures to have more than one mipmap level OES_depth_texture
+    // allows for that so we can't implement full support with the D3D9 back end.
+    extensions->depthTextureOES = false;
+
+    // textureRgEXT is emulated and not performant.
+    extensions->textureRgEXT = false;
+
+    // GL_KHR_parallel_shader_compile
+    extensions->parallelShaderCompileKHR = true;
+
+    D3DADAPTER_IDENTIFIER9 adapterId = {};
+    if (SUCCEEDED(d3d9->GetAdapterIdentifier(adapter, 0, &adapterId)))
+    {
+        // ATI cards on XP have problems with non-power-of-two textures.
+        extensions->textureNpotOES =
+            !(deviceCaps.TextureCaps & D3DPTEXTURECAPS_POW2) &&
+            !(deviceCaps.TextureCaps & D3DPTEXTURECAPS_CUBEMAP_POW2) &&
+            !(deviceCaps.TextureCaps & D3DPTEXTURECAPS_NONPOW2CONDITIONAL) &&
+            !(!isWindowsVistaOrGreater() && IsAMD(adapterId.VendorId));
+
+        // Disable depth texture support on AMD cards (See ANGLE issue 839)
+        if (IsAMD(adapterId.VendorId))
+        {
+            extensions->depthTextureANGLE = false;
+            extensions->depthTextureOES   = false;
+        }
+    }
+    else
+    {
+        extensions->textureNpotOES = false;
+    }
+
+    extensions->drawBuffersEXT    = false;
+    extensions->textureStorageEXT = true;
+
+    // Must support a minimum of 2:1 anisotropy for max anisotropy to be considered supported, per
+    // the spec
+    extensions->textureFilterAnisotropicEXT =
+        (deviceCaps.RasterCaps & D3DPRASTERCAPS_ANISOTROPY) != 0 && deviceCaps.MaxAnisotropy >= 2;
+    caps->maxTextureAnisotropy = static_cast<GLfloat>(deviceCaps.MaxAnisotropy);
+
+    // Check occlusion query support by trying to create one
+    IDirect3DQuery9 *occlusionQuery = nullptr;
+    extensions->occlusionQueryBooleanEXT =
+        SUCCEEDED(device->CreateQuery(D3DQUERYTYPE_OCCLUSION, &occlusionQuery)) && occlusionQuery;
+    SafeRelease(occlusionQuery);
+
+    // Check event query support by trying to create one
+    IDirect3DQuery9 *eventQuery = nullptr;
+    extensions->fenceNV =
+        SUCCEEDED(device->CreateQuery(D3DQUERYTYPE_EVENT, &eventQuery)) && eventQuery;
+    SafeRelease(eventQuery);
+
+    extensions->disjointTimerQueryEXT = false;
+    extensions->robustnessEXT         = true;
+    // It seems that only DirectX 10 and higher enforce the well-defined behavior of always
+    // returning zero values when out-of-bounds reads. See
+    // https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_robustness.txt
+    extensions->robustBufferAccessBehaviorKHR = false;
+    extensions->blendMinmaxEXT                = true;
+    // Although according to
+    // https://docs.microsoft.com/en-us/windows/desktop/direct3ddxgi/format-support-for-direct3d-feature-level-9-1-hardware
+    // D3D9 doesn't have full blending capability for RGBA32F. But turns out it could provide
+    // correct blending result in reality. As a result of some regression reports by client app, we
+    // decided to turn floatBlendEXT on for D3D9
+    extensions->floatBlendEXT               = true;
+    extensions->framebufferBlitANGLE        = true;
+    extensions->framebufferMultisampleANGLE = true;
+    extensions->instancedArraysANGLE        = deviceCaps.PixelShaderVersion >= D3DPS_VERSION(3, 0);
+    // D3D9 requires at least one attribute that has a divisor of 0, which isn't required by the EXT
+    // extension
+    extensions->instancedArraysEXT       = false;
+    extensions->packReverseRowOrderANGLE = true;
+    extensions->standardDerivativesOES =
+        (deviceCaps.PS20Caps.Caps & D3DPS20CAPS_GRADIENTINSTRUCTIONS) != 0;
+    extensions->shaderTextureLodEXT         = true;
+    extensions->fragDepthEXT                = true;
+    extensions->textureUsageANGLE           = true;
+    extensions->translatedShaderSourceANGLE = true;
+    extensions->fboRenderMipmapOES          = true;
+    extensions->discardFramebufferEXT = false;  // It would be valid to set this to true, since
+                                                // glDiscardFramebufferEXT is just a hint
+    extensions->colorBufferFloatEXT   = false;
+    extensions->debugMarkerEXT        = true;
+    extensions->EGLImageOES           = true;
+    extensions->EGLImageExternalOES   = true;
+    extensions->unpackSubimageEXT     = true;
+    extensions->packSubimageNV        = true;
+    extensions->syncQueryCHROMIUM     = extensions->fenceNV;
+    extensions->copyTextureCHROMIUM   = true;
+    extensions->textureBorderClampOES = true;
+    extensions->videoTextureWEBGL     = true;
+
+    // D3D9 has no concept of separate masks and refs for front and back faces in the depth stencil
+    // state.
+    limitations->noSeparateStencilRefsAndMasks = true;
+
+    // D3D9 shader models have limited support for looping, so the Appendix A
+    // index/loop limitations are necessary. Workarounds that are needed to
+    // support dynamic indexing of vectors on HLSL also don't work on D3D9.
+    limitations->shadersRequireIndexedLoopValidation = true;
+
+    // D3D9 cannot support constant color and alpha blend funcs together
+    limitations->noSimultaneousConstantColorAndAlphaBlendFunc = true;
+
+    // D3D9 cannot support unclamped constant blend color
+    limitations->noUnclampedBlendColor = true;
+
+    // D3D9 cannot support packing more than one variable to a single varying.
+    // TODO(jmadill): Implement more sophisticated component packing in D3D9.
+    limitations->noFlexibleVaryingPacking = true;
+
+    // D3D9 does not support vertex attribute aliasing
+    limitations->noVertexAttributeAliasing = true;
+
+    // D3D9 does not support compressed textures where the base mip level is not a multiple of 4
+    limitations->compressedBaseMipLevelMultipleOfFour = true;
+}
+
+}  // namespace d3d9_gl
+
+namespace d3d9
+{
+
+GLuint ComputeBlockSize(D3DFORMAT format, GLuint width, GLuint height)
+{
+    const D3DFormat &d3dFormatInfo = d3d9::GetD3DFormatInfo(format);
+    GLuint numBlocksWide  = (width + d3dFormatInfo.blockWidth - 1) / d3dFormatInfo.blockWidth;
+    GLuint numBlocksHight = (height + d3dFormatInfo.blockHeight - 1) / d3dFormatInfo.blockHeight;
+    return (d3dFormatInfo.pixelBytes * numBlocksWide * numBlocksHight);
+}
+
+void MakeValidSize(bool isImage,
+                   D3DFORMAT format,
+                   GLsizei *requestWidth,
+                   GLsizei *requestHeight,
+                   int *levelOffset)
+{
+    const D3DFormat &d3dFormatInfo = d3d9::GetD3DFormatInfo(format);
+
+    int upsampleCount = 0;
+    // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already.
+    if (isImage || *requestWidth < static_cast<GLsizei>(d3dFormatInfo.blockWidth) ||
+        *requestHeight < static_cast<GLsizei>(d3dFormatInfo.blockHeight))
+    {
+        while (*requestWidth % d3dFormatInfo.blockWidth != 0 ||
+               *requestHeight % d3dFormatInfo.blockHeight != 0)
+        {
+            *requestWidth <<= 1;
+            *requestHeight <<= 1;
+            upsampleCount++;
+        }
+    }
+    *levelOffset = upsampleCount;
+}
+
+void InitializeFeatures(angle::FeaturesD3D *features)
+{
+    ANGLE_FEATURE_CONDITION(features, mrtPerfWorkaround, true);
+    ANGLE_FEATURE_CONDITION(features, setDataFasterThanImageUpload, false);
+    ANGLE_FEATURE_CONDITION(features, setDataFasterThanImageUploadOn128bitFormats, false);
+    ANGLE_FEATURE_CONDITION(features, useInstancedPointSpriteEmulation, false);
+
+    // TODO(jmadill): Disable workaround when we have a fixed compiler DLL.
+    ANGLE_FEATURE_CONDITION(features, expandIntegerPowExpressions, true);
+
+    // crbug.com/1011627 Turn this on for D3D9.
+    ANGLE_FEATURE_CONDITION(features, allowClearForRobustResourceInit, true);
+}
+
+}  // namespace d3d9
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.h
new file mode 100644
index 0000000000..b900e9c44c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.h
@@ -0,0 +1,105 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// renderer9_utils.h: Conversion functions and other utility routines
+// specific to the D3D9 renderer
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_RENDERER9UTILS_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_RENDERER9UTILS_H_
+
+#include "common/Color.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Error.h"
+#include "platform/FeaturesD3D_autogen.h"
+
+namespace gl
+{
+class FramebufferAttachment;
+}
+
+namespace rx
+{
+class RenderTarget9;
+
+namespace gl_d3d9
+{
+
+D3DCMPFUNC ConvertComparison(GLenum comparison);
+D3DCOLOR ConvertColor(gl::ColorF color);
+D3DBLEND ConvertBlendFunc(GLenum blend);
+D3DBLENDOP ConvertBlendOp(GLenum blendOp);
+D3DSTENCILOP ConvertStencilOp(GLenum stencilOp);
+D3DTEXTUREADDRESS ConvertTextureWrap(GLenum wrap);
+D3DCULL ConvertCullMode(gl::CullFaceMode cullFace, GLenum frontFace);
+D3DCUBEMAP_FACES ConvertCubeFace(gl::TextureTarget cubeFace);
+DWORD ConvertColorMask(bool red, bool green, bool blue, bool alpha);
+D3DTEXTUREFILTERTYPE ConvertMagFilter(GLenum magFilter, float maxAnisotropy);
+void ConvertMinFilter(GLenum minFilter,
+                      D3DTEXTUREFILTERTYPE *d3dMinFilter,
+                      D3DTEXTUREFILTERTYPE *d3dMipFilter,
+                      float *d3dLodBias,
+                      float maxAnisotropy,
+                      size_t baseLevel);
+D3DQUERYTYPE ConvertQueryType(gl::QueryType type);
+
+D3DMULTISAMPLE_TYPE GetMultisampleType(GLuint samples);
+
+}  // namespace gl_d3d9
+
+namespace d3d9_gl
+{
+
+unsigned int GetReservedVaryingVectors();
+
+unsigned int GetReservedVertexUniformVectors();
+
+unsigned int GetReservedFragmentUniformVectors();
+
+GLsizei GetSamplesCount(D3DMULTISAMPLE_TYPE type);
+
+bool IsFormatChannelEquivalent(D3DFORMAT d3dformat, GLenum format);
+
+void GenerateCaps(IDirect3D9 *d3d9,
+                  IDirect3DDevice9 *device,
+                  D3DDEVTYPE deviceType,
+                  UINT adapter,
+                  gl::Caps *caps,
+                  gl::TextureCapsMap *textureCapsMap,
+                  gl::Extensions *extensions,
+                  gl::Limitations *limitations);
+}  // namespace d3d9_gl
+
+namespace d3d9
+{
+
+GLuint ComputeBlockSize(D3DFORMAT format, GLuint width, GLuint height);
+
+void MakeValidSize(bool isImage,
+                   D3DFORMAT format,
+                   GLsizei *requestWidth,
+                   GLsizei *requestHeight,
+                   int *levelOffset);
+
+inline bool isDeviceLostError(HRESULT errorCode)
+{
+    switch (errorCode)
+    {
+        case D3DERR_DRIVERINTERNALERROR:
+        case D3DERR_DEVICELOST:
+        case D3DERR_DEVICEHUNG:
+        case D3DERR_DEVICEREMOVED:
+            return true;
+        default:
+            return false;
+    }
+}
+
+void InitializeFeatures(angle::FeaturesD3D *features);
+}  // namespace d3d9
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_RENDERER9UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskpremultps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskpremultps.h
new file mode 100644
index 0000000000..04868aeb9c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskpremultps.h
@@ -0,0 +1,50 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   float4 add;
+//   float4 mult;
+//   sampler2D tex;
+//
+//
+// Registers:
+//
+//   Name         Reg   Size
+//   ------------ ----- ----
+//   mult         c0       1
+//   add          c1       1
+//   tex          s0       1
+//
+
+    ps_2_0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mul r0.xyz, r0.w, r0
+    mov r1, c0
+    mad r0, r0, r1, c1
+    mov oC0, r0
+
+// approximately 5 instruction slots used (1 texture, 4 arithmetic)
+#endif
+
+const BYTE g_ps20_componentmaskpremultps[] = {
+    0,   2,   255, 255, 254, 255, 50,  0,   67,  84,  65,  66,  28,  0,   0,   0,   143, 0,   0,
+    0,   0,   2,   255, 255, 3,   0,   0,   0,   28,  0,   0,   0,   0,   1,   0,   0,   136, 0,
+    0,   0,   88,  0,   0,   0,   2,   0,   1,   0,   1,   0,   0,   0,   92,  0,   0,   0,   0,
+    0,   0,   0,   108, 0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   92,  0,   0,   0,
+    0,   0,   0,   0,   113, 0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   120, 0,   0,
+    0,   0,   0,   0,   0,   97,  100, 100, 0,   1,   0,   3,   0,   1,   0,   4,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   109, 117, 108, 116, 0,   116, 101, 120, 0,   171, 171, 171, 4,
+    0,   12,  0,   1,   0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   112, 115, 95,  50,
+    95,  48,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,
+    83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,
+    54,  46,  51,  46,  57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   171, 171, 171, 31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 5,   0,   0,   3,   0,   0,   7,   128, 0,   0,   255, 128, 0,   0,   228, 128, 1,   0,
+    0,   2,   1,   0,   15,  128, 0,   0,   228, 160, 4,   0,   0,   4,   0,   0,   15,  128, 0,
+    0,   228, 128, 1,   0,   228, 128, 1,   0,   228, 160, 1,   0,   0,   2,   0,   8,   15,  128,
+    0,   0,   228, 128, 255, 255, 0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskps.h
new file mode 100644
index 0000000000..06673ae5f7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskps.h
@@ -0,0 +1,48 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   float4 add;
+//   float4 mult;
+//   sampler2D tex;
+//
+//
+// Registers:
+//
+//   Name         Reg   Size
+//   ------------ ----- ----
+//   mult         c0       1
+//   add          c1       1
+//   tex          s0       1
+//
+
+    ps_2_0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mov r1, c0
+    mad r0, r0, r1, c1
+    mov oC0, r0
+
+// approximately 4 instruction slots used (1 texture, 3 arithmetic)
+#endif
+
+const BYTE g_ps20_componentmaskps[] = {
+    0,   2,   255, 255, 254, 255, 50,  0,   67,  84,  65,  66,  28,  0,   0,   0,   143, 0,   0,
+    0,   0,   2,   255, 255, 3,   0,   0,   0,   28,  0,   0,   0,   0,   1,   0,   0,   136, 0,
+    0,   0,   88,  0,   0,   0,   2,   0,   1,   0,   1,   0,   0,   0,   92,  0,   0,   0,   0,
+    0,   0,   0,   108, 0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   92,  0,   0,   0,
+    0,   0,   0,   0,   113, 0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   120, 0,   0,
+    0,   0,   0,   0,   0,   97,  100, 100, 0,   1,   0,   3,   0,   1,   0,   4,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   109, 117, 108, 116, 0,   116, 101, 120, 0,   171, 171, 171, 4,
+    0,   12,  0,   1,   0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   112, 115, 95,  50,
+    95,  48,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,
+    83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,
+    54,  46,  51,  46,  57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   171, 171, 171, 31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 1,   0,   0,   2,   1,   0,   15,  128, 0,   0,   228, 160, 4,   0,   0,   4,   0,   0,
+    15,  128, 0,   0,   228, 128, 1,   0,   228, 128, 1,   0,   228, 160, 1,   0,   0,   2,   0,
+    8,   15,  128, 0,   0,   228, 128, 255, 255, 0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskunmultps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskunmultps.h
new file mode 100644
index 0000000000..ad15364bb8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/componentmaskunmultps.h
@@ -0,0 +1,54 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   float4 add;
+//   float4 mult;
+//   sampler2D tex;
+//
+//
+// Registers:
+//
+//   Name         Reg   Size
+//   ------------ ----- ----
+//   mult         c0       1
+//   add          c1       1
+//   tex          s0       1
+//
+
+    ps_2_0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    rcp r1.w, r0.w
+    mul r1.xyz, r0, r1.w
+    cmp r0.xyz, -r0.w, r0, r1
+    mov r1, c0
+    mad r0, r0, r1, c1
+    mov oC0, r0
+
+// approximately 7 instruction slots used (1 texture, 6 arithmetic)
+#endif
+
+const BYTE g_ps20_componentmaskunmultps[] = {
+    0,   2,   255, 255, 254, 255, 50,  0,   67,  84,  65,  66,  28,  0,   0,   0,   143, 0,   0,
+    0,   0,   2,   255, 255, 3,   0,   0,   0,   28,  0,   0,   0,   0,   1,   0,   0,   136, 0,
+    0,   0,   88,  0,   0,   0,   2,   0,   1,   0,   1,   0,   0,   0,   92,  0,   0,   0,   0,
+    0,   0,   0,   108, 0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   92,  0,   0,   0,
+    0,   0,   0,   0,   113, 0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   120, 0,   0,
+    0,   0,   0,   0,   0,   97,  100, 100, 0,   1,   0,   3,   0,   1,   0,   4,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   109, 117, 108, 116, 0,   116, 101, 120, 0,   171, 171, 171, 4,
+    0,   12,  0,   1,   0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   112, 115, 95,  50,
+    95,  48,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,
+    83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,
+    54,  46,  51,  46,  57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   171, 171, 171, 31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 6,   0,   0,   2,   1,   0,   8,   128, 0,   0,   255, 128, 5,   0,   0,   3,   1,   0,
+    7,   128, 0,   0,   228, 128, 1,   0,   255, 128, 88,  0,   0,   4,   0,   0,   7,   128, 0,
+    0,   255, 129, 0,   0,   228, 128, 1,   0,   228, 128, 1,   0,   0,   2,   1,   0,   15,  128,
+    0,   0,   228, 160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   228, 128, 1,   0,   228,
+    128, 1,   0,   228, 160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255,
+    0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminancepremultps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminancepremultps.h
new file mode 100644
index 0000000000..274a7824f9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminancepremultps.h
@@ -0,0 +1,50 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   float4 add;
+//   float4 mult;
+//   sampler2D tex;
+//
+//
+// Registers:
+//
+//   Name         Reg   Size
+//   ------------ ----- ----
+//   mult         c0       1
+//   add          c1       1
+//   tex          s0       1
+//
+
+    ps_2_0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mul r0.xyz, r0.w, r0.x
+    mov r1, c0
+    mad r0, r0, r1, c1
+    mov oC0, r0
+
+// approximately 5 instruction slots used (1 texture, 4 arithmetic)
+#endif
+
+const BYTE g_ps20_luminancepremultps[] = {
+    0,   2,   255, 255, 254, 255, 50,  0,   67,  84,  65,  66,  28,  0,   0,   0,   143, 0,   0,
+    0,   0,   2,   255, 255, 3,   0,   0,   0,   28,  0,   0,   0,   0,   1,   0,   0,   136, 0,
+    0,   0,   88,  0,   0,   0,   2,   0,   1,   0,   1,   0,   0,   0,   92,  0,   0,   0,   0,
+    0,   0,   0,   108, 0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   92,  0,   0,   0,
+    0,   0,   0,   0,   113, 0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   120, 0,   0,
+    0,   0,   0,   0,   0,   97,  100, 100, 0,   1,   0,   3,   0,   1,   0,   4,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   109, 117, 108, 116, 0,   116, 101, 120, 0,   171, 171, 171, 4,
+    0,   12,  0,   1,   0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   112, 115, 95,  50,
+    95,  48,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,
+    83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,
+    54,  46,  51,  46,  57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   171, 171, 171, 31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 5,   0,   0,   3,   0,   0,   7,   128, 0,   0,   255, 128, 0,   0,   0,   128, 1,   0,
+    0,   2,   1,   0,   15,  128, 0,   0,   228, 160, 4,   0,   0,   4,   0,   0,   15,  128, 0,
+    0,   228, 128, 1,   0,   228, 128, 1,   0,   228, 160, 1,   0,   0,   2,   0,   8,   15,  128,
+    0,   0,   228, 128, 255, 255, 0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceps.h
new file mode 100644
index 0000000000..0be665c525
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceps.h
@@ -0,0 +1,53 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   float4 add;
+//   float4 mult;
+//   sampler2D tex;
+//
+//
+// Registers:
+//
+//   Name         Reg   Size
+//   ------------ ----- ----
+//   mult         c0       1
+//   add          c1       1
+//   tex          s0       1
+//
+
+    ps_2_0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mov r1.xw, c0
+    mad r0.x, r0.x, r1.x, c1.x
+    mad r0.y, r0.w, r1.w, c1.w
+    mov r1.xyz, r0.x
+    mov r1.w, r0.y
+    mov oC0, r1
+
+// approximately 7 instruction slots used (1 texture, 6 arithmetic)
+#endif
+
+const BYTE g_ps20_luminanceps[] = {
+    0,   2,   255, 255, 254, 255, 50,  0,   67,  84,  65,  66,  28,  0,   0,   0,   143, 0,   0,
+    0,   0,   2,   255, 255, 3,   0,   0,   0,   28,  0,   0,   0,   0,   1,   0,   0,   136, 0,
+    0,   0,   88,  0,   0,   0,   2,   0,   1,   0,   1,   0,   0,   0,   92,  0,   0,   0,   0,
+    0,   0,   0,   108, 0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   92,  0,   0,   0,
+    0,   0,   0,   0,   113, 0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   120, 0,   0,
+    0,   0,   0,   0,   0,   97,  100, 100, 0,   1,   0,   3,   0,   1,   0,   4,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   109, 117, 108, 116, 0,   116, 101, 120, 0,   171, 171, 171, 4,
+    0,   12,  0,   1,   0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   112, 115, 95,  50,
+    95,  48,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,
+    83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,
+    54,  46,  51,  46,  57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   171, 171, 171, 31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 1,   0,   0,   2,   1,   0,   9,   128, 0,   0,   228, 160, 4,   0,   0,   4,   0,   0,
+    1,   128, 0,   0,   0,   128, 1,   0,   0,   128, 1,   0,   0,   160, 4,   0,   0,   4,   0,
+    0,   2,   128, 0,   0,   255, 128, 1,   0,   255, 128, 1,   0,   255, 160, 1,   0,   0,   2,
+    1,   0,   7,   128, 0,   0,   0,   128, 1,   0,   0,   2,   1,   0,   8,   128, 0,   0,   85,
+    128, 1,   0,   0,   2,   0,   8,   15,  128, 1,   0,   228, 128, 255, 255, 0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceunmultps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceunmultps.h
new file mode 100644
index 0000000000..1100d0b088
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/luminanceunmultps.h
@@ -0,0 +1,54 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   float4 add;
+//   float4 mult;
+//   sampler2D tex;
+//
+//
+// Registers:
+//
+//   Name         Reg   Size
+//   ------------ ----- ----
+//   mult         c0       1
+//   add          c1       1
+//   tex          s0       1
+//
+
+    ps_2_0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    rcp r1.w, r0.w
+    mul r1.x, r0.x, r1.w
+    cmp r0.xyz, -r0.w, r0.x, r1.x
+    mov r1, c0
+    mad r0, r0, r1, c1
+    mov oC0, r0
+
+// approximately 7 instruction slots used (1 texture, 6 arithmetic)
+#endif
+
+const BYTE g_ps20_luminanceunmultps[] = {
+    0,   2,   255, 255, 254, 255, 50,  0,   67,  84,  65,  66,  28,  0,   0,   0,   143, 0,   0,
+    0,   0,   2,   255, 255, 3,   0,   0,   0,   28,  0,   0,   0,   0,   1,   0,   0,   136, 0,
+    0,   0,   88,  0,   0,   0,   2,   0,   1,   0,   1,   0,   0,   0,   92,  0,   0,   0,   0,
+    0,   0,   0,   108, 0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   92,  0,   0,   0,
+    0,   0,   0,   0,   113, 0,   0,   0,   3,   0,   0,   0,   1,   0,   0,   0,   120, 0,   0,
+    0,   0,   0,   0,   0,   97,  100, 100, 0,   1,   0,   3,   0,   1,   0,   4,   0,   1,   0,
+    0,   0,   0,   0,   0,   0,   109, 117, 108, 116, 0,   116, 101, 120, 0,   171, 171, 171, 4,
+    0,   12,  0,   1,   0,   1,   0,   1,   0,   0,   0,   0,   0,   0,   0,   112, 115, 95,  50,
+    95,  48,  0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,
+    83,  76,  32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,
+    54,  46,  51,  46,  57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   171, 171, 171, 31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,   144,
+    0,   8,   15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,   8,   228,
+    160, 6,   0,   0,   2,   1,   0,   8,   128, 0,   0,   255, 128, 5,   0,   0,   3,   1,   0,
+    1,   128, 0,   0,   0,   128, 1,   0,   255, 128, 88,  0,   0,   4,   0,   0,   7,   128, 0,
+    0,   255, 129, 0,   0,   0,   128, 1,   0,   0,   128, 1,   0,   0,   2,   1,   0,   15,  128,
+    0,   0,   228, 160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   228, 128, 1,   0,   228,
+    128, 1,   0,   228, 160, 1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255,
+    0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/passthroughps.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/passthroughps.h
new file mode 100644
index 0000000000..0c17739e17
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/passthroughps.h
@@ -0,0 +1,37 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   sampler2D tex;
+//
+//
+// Registers:
+//
+//   Name         Reg   Size
+//   ------------ ----- ----
+//   tex          s0       1
+//
+
+    ps_2_0
+    dcl t0.xy
+    dcl_2d s0
+    texld r0, t0, s0
+    mov oC0, r0
+
+// approximately 2 instruction slots used (1 texture, 1 arithmetic)
+#endif
+
+const BYTE g_ps20_passthroughps[] = {
+    0,   2,   255, 255, 254, 255, 33,  0,   67,  84,  65,  66,  28,  0,   0,  0,   75,  0,
+    0,   0,   0,   2,   255, 255, 1,   0,   0,   0,   28,  0,   0,   0,   0,  1,   0,   0,
+    68,  0,   0,   0,   48,  0,   0,   0,   3,   0,   0,   0,   1,   0,   0,  0,   52,  0,
+    0,   0,   0,   0,   0,   0,   116, 101, 120, 0,   4,   0,   12,  0,   1,  0,   1,   0,
+    1,   0,   0,   0,   0,   0,   0,   0,   112, 115, 95,  50,  95,  48,  0,  77,  105, 99,
+    114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76, 32,  83,  104,
+    97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  54, 46,  51,  46,
+    57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   171, 171, 171, 31, 0,   0,   2,
+    0,   0,   0,   128, 0,   0,   3,   176, 31,  0,   0,   2,   0,   0,   0,  144, 0,   8,
+    15,  160, 66,  0,   0,   3,   0,   0,   15,  128, 0,   0,   228, 176, 0,  8,   228, 160,
+    1,   0,   0,   2,   0,   8,   15,  128, 0,   0,   228, 128, 255, 255, 0,  0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/standardvs.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/standardvs.h
new file mode 100644
index 0000000000..e4d7e0e1a8
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/shaders/compiled/standardvs.h
@@ -0,0 +1,46 @@
+#if 0
+//
+// Generated by Microsoft (R) HLSL Shader Compiler 6.3.9600.16384
+//
+// Parameters:
+//
+//   float4 halfPixelSize;
+//   float4 texcoordOffset;
+//
+//
+// Registers:
+//
+//   Name           Reg   Size
+//   -------------- ----- ----
+//   halfPixelSize  c0       1
+//   texcoordOffset c1       1
+//
+
+    vs_2_0
+    def c2, 0.5, -0.5, 1, 0
+    dcl_position v0
+    add oPos, v0, c0
+    mad r0, v0, c2.xyzz, c2.xxww
+    mov oT0.zw, r0
+    mad oT0.xy, r0, c1.zwzw, c1
+
+// approximately 4 instruction slots used
+#endif
+
+const BYTE g_vs20_standardvs[] = {
+    0,   2,   254, 255, 254, 255, 44,  0,   67,  84,  65,  66,  28,  0,   0,   0,   122, 0,   0,
+    0,   0,   2,   254, 255, 2,   0,   0,   0,   28,  0,   0,   0,   0,   1,   0,   0,   115, 0,
+    0,   0,   68,  0,   0,   0,   2,   0,   0,   0,   1,   0,   0,   0,   84,  0,   0,   0,   0,
+    0,   0,   0,   100, 0,   0,   0,   2,   0,   1,   0,   1,   0,   0,   0,   84,  0,   0,   0,
+    0,   0,   0,   0,   104, 97,  108, 102, 80,  105, 120, 101, 108, 83,  105, 122, 101, 0,   171,
+    171, 1,   0,   3,   0,   1,   0,   4,   0,   1,   0,   0,   0,   0,   0,   0,   0,   116, 101,
+    120, 99,  111, 111, 114, 100, 79,  102, 102, 115, 101, 116, 0,   118, 115, 95,  50,  95,  48,
+    0,   77,  105, 99,  114, 111, 115, 111, 102, 116, 32,  40,  82,  41,  32,  72,  76,  83,  76,
+    32,  83,  104, 97,  100, 101, 114, 32,  67,  111, 109, 112, 105, 108, 101, 114, 32,  54,  46,
+    51,  46,  57,  54,  48,  48,  46,  49,  54,  51,  56,  52,  0,   81,  0,   0,   5,   2,   0,
+    15,  160, 0,   0,   0,   63,  0,   0,   0,   191, 0,   0,   128, 63,  0,   0,   0,   0,   31,
+    0,   0,   2,   0,   0,   0,   128, 0,   0,   15,  144, 2,   0,   0,   3,   0,   0,   15,  192,
+    0,   0,   228, 144, 0,   0,   228, 160, 4,   0,   0,   4,   0,   0,   15,  128, 0,   0,   228,
+    144, 2,   0,   164, 160, 2,   0,   240, 160, 1,   0,   0,   2,   0,   0,   12,  224, 0,   0,
+    228, 128, 4,   0,   0,   4,   0,   0,   3,   224, 0,   0,   228, 128, 1,   0,   238, 160, 1,
+    0,   228, 160, 255, 255, 0,   0};
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h
new file mode 100644
index 0000000000..fb172448d1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h
@@ -0,0 +1,197 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// vertexconversion.h: A library of vertex conversion classes that can be used to build
+// the FormatConverter objects used by the buffer conversion system.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_VERTEXCONVERSION_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_VERTEXCONVERSION_H_
+
+#include <cstddef>
+#include <cstdint>
+#include <limits>
+
+namespace rx
+{
+
+// Conversion types:
+// static const bool identity: true if this is an identity transform, false otherwise
+// static U convert(T): convert a single element from the input type to the output type
+// typedef ... OutputType: the type produced by this conversion
+
+template <class T>
+struct Identity
+{
+    static const bool identity = true;
+
+    typedef T OutputType;
+
+    static T convert(T x) { return x; }
+};
+
+template <class FromT, class ToT>
+struct Cast
+{
+    static const bool identity = false;
+
+    typedef ToT OutputType;
+
+    static ToT convert(FromT x) { return static_cast<ToT>(x); }
+};
+
+template <class T>
+struct Cast<T, T>
+{
+    static const bool identity = true;
+
+    typedef T OutputType;
+
+    static T convert(T x) { return static_cast<T>(x); }
+};
+
+template <class T>
+struct Normalize
+{
+    static const bool identity = false;
+
+    typedef float OutputType;
+
+    static float convert(T x)
+    {
+        typedef std::numeric_limits<T> NL;
+        float f = static_cast<float>(x);
+
+        if (NL::is_signed)
+        {
+            // const float => VC2008 computes it at compile time
+            // static const float => VC2008 computes it the first time we get here, stores it to
+            // memory with static guard and all that.
+            const float divisor = 1.0f / (2 * static_cast<float>(NL::max()) + 1);
+            return (2 * f + 1) * divisor;
+        }
+        else
+        {
+            return f / NL::max();
+        }
+    }
+};
+
+template <class FromType, std::size_t ScaleBits>
+struct FixedToFloat
+{
+    static const bool identity = false;
+
+    typedef float OutputType;
+
+    static float convert(FromType x)
+    {
+        const float divisor = 1.0f / static_cast<float>(static_cast<FromType>(1) << ScaleBits);
+        return static_cast<float>(x) * divisor;
+    }
+};
+
+// Widen types:
+// static const unsigned int initialWidth: number of components before conversion
+// static const unsigned int finalWidth: number of components after conversion
+
+// Float is supported at any size.
+template <std::size_t N>
+struct NoWiden
+{
+    static const std::size_t initialWidth = N;
+    static const std::size_t finalWidth   = N;
+};
+
+// SHORT, norm-SHORT, norm-UNSIGNED_SHORT are supported but only with 2 or 4 components
+template <std::size_t N>
+struct WidenToEven
+{
+    static const std::size_t initialWidth = N;
+    static const std::size_t finalWidth   = N + (N & 1);
+};
+
+template <std::size_t N>
+struct WidenToFour
+{
+    static const std::size_t initialWidth = N;
+    static const std::size_t finalWidth   = 4;
+};
+
+// Most types have 0 and 1 that are just that.
+template <class T>
+struct SimpleDefaultValues
+{
+    static T zero() { return static_cast<T>(0); }
+    static T one() { return static_cast<T>(1); }
+};
+
+// But normalised types only store [0,1] or [-1,1] so 1.0 is represented by the max value.
+template <class T>
+struct NormalizedDefaultValues
+{
+    static T zero() { return static_cast<T>(0); }
+    static T one() { return std::numeric_limits<T>::max(); }
+};
+
+// Converter:
+// static const bool identity: true if this is an identity transform (with no widening)
+// static const std::size_t finalSize: number of bytes per output vertex
+// static void convertArray(const void *in, std::size_t stride, std::size_t n, void *out): convert
+// an array of vertices. Input may be strided, but output will be unstrided.
+
+template <class InT,
+          class WidenRule,
+          class Converter,
+          class DefaultValueRule = SimpleDefaultValues<InT>>
+struct VertexDataConverter
+{
+    typedef typename Converter::OutputType OutputType;
+    typedef InT InputType;
+
+    static const bool identity =
+        (WidenRule::initialWidth == WidenRule::finalWidth) && Converter::identity;
+    static const std::size_t finalSize = WidenRule::finalWidth * sizeof(OutputType);
+
+    static void convertArray(const uint8_t *input, size_t stride, size_t n, uint8_t *output)
+    {
+        OutputType *out = reinterpret_cast<OutputType *>(output);
+
+        for (std::size_t i = 0; i < n; i++)
+        {
+            const InputType *ein = reinterpret_cast<const InputType *>(input + i * stride);
+
+            copyComponent(out, ein, 0, static_cast<OutputType>(DefaultValueRule::zero()));
+            copyComponent(out, ein, 1, static_cast<OutputType>(DefaultValueRule::zero()));
+            copyComponent(out, ein, 2, static_cast<OutputType>(DefaultValueRule::zero()));
+            copyComponent(out, ein, 3, static_cast<OutputType>(DefaultValueRule::one()));
+
+            out += WidenRule::finalWidth;
+        }
+    }
+
+  private:
+    static void copyComponent(OutputType *out,
+                              const InputType *in,
+                              std::size_t elementindex,
+                              OutputType defaultvalue)
+    {
+        if (WidenRule::finalWidth > elementindex)
+        {
+            if (WidenRule::initialWidth > elementindex)
+            {
+                out[elementindex] = Converter::convert(in[elementindex]);
+            }
+            else
+            {
+                out[elementindex] = defaultvalue;
+            }
+        }
+    }
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D9_VERTEXCONVERSION_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/driver_utils_d3d.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/driver_utils_d3d.cpp
new file mode 100644
index 0000000000..1709f82868
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/driver_utils_d3d.cpp
@@ -0,0 +1,26 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// driver_utils_d3d.cpp: Information specific to the D3D driver
+
+#include "libANGLE/renderer/d3d/driver_utils_d3d.h"
+
+namespace rx
+{
+
+std::string GetDriverVersionString(LARGE_INTEGER driverVersion)
+{
+    std::stringstream versionString;
+    uint64_t intVersion        = driverVersion.QuadPart;
+    constexpr uint64_t kMask16 = std::numeric_limits<uint16_t>::max();
+    versionString << ((intVersion >> 48) & kMask16) << ".";
+    versionString << ((intVersion >> 32) & kMask16) << ".";
+    versionString << ((intVersion >> 16) & kMask16) << ".";
+    versionString << (intVersion & kMask16);
+    return versionString.str();
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/driver_utils_d3d.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/driver_utils_d3d.h
new file mode 100644
index 0000000000..3b217838f9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/driver_utils_d3d.h
@@ -0,0 +1,21 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// driver_utils_d3d.h: Information specific to the D3D driver
+
+#ifndef LIBANGLE_RENDERER_D3D_DRIVER_UTILS_D3D_H_
+#define LIBANGLE_RENDERER_D3D_DRIVER_UTILS_D3D_H_
+
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+
+std::string GetDriverVersionString(LARGE_INTEGER driverVersion);
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_DRIVER_UTILS_D3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/formatutilsD3D.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/formatutilsD3D.h
new file mode 100644
index 0000000000..f0e876d49d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/formatutilsD3D.h
@@ -0,0 +1,24 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils9.h: Queries for GL image formats and their translations to D3D
+// formats.
+
+#ifndef LIBANGLE_RENDERER_D3D_FORMATUTILSD3D_H_
+#define LIBANGLE_RENDERER_D3D_FORMATUTILSD3D_H_
+
+namespace rx
+{
+enum VertexConversionType
+{
+    VERTEX_CONVERT_NONE = 0,
+    VERTEX_CONVERT_CPU  = 1,
+    VERTEX_CONVERT_GPU  = 2,
+    VERTEX_CONVERT_BOTH = 3
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_FORMATUTILSD3D_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d_format.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d_format.cpp
new file mode 100644
index 0000000000..0823b37a5d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d_format.cpp
@@ -0,0 +1,206 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// d3d_format: Describes a D3D9 format. Used by the D3D9 and GL back-ends.
+
+#include "libANGLE/renderer/d3d_format.h"
+
+using namespace angle;
+
+namespace rx
+{
+namespace d3d9
+{
+namespace
+{
+constexpr D3DFORMAT D3DFMT_INTZ = ((D3DFORMAT)(MAKEFOURCC('I', 'N', 'T', 'Z')));
+constexpr D3DFORMAT D3DFMT_NULL = ((D3DFORMAT)(MAKEFOURCC('N', 'U', 'L', 'L')));
+}  // anonymous namespace
+
+D3DFormat::D3DFormat()
+    : pixelBytes(0),
+      blockWidth(0),
+      blockHeight(0),
+      redBits(0),
+      greenBits(0),
+      blueBits(0),
+      alphaBits(0),
+      luminanceBits(0),
+      depthBits(0),
+      stencilBits(0),
+      formatID(angle::FormatID::NONE)
+{}
+
+D3DFormat::D3DFormat(GLuint bits,
+                     GLuint blockWidth,
+                     GLuint blockHeight,
+                     GLuint redBits,
+                     GLuint greenBits,
+                     GLuint blueBits,
+                     GLuint alphaBits,
+                     GLuint lumBits,
+                     GLuint depthBits,
+                     GLuint stencilBits,
+                     FormatID formatID)
+    : pixelBytes(bits / 8),
+      blockWidth(blockWidth),
+      blockHeight(blockHeight),
+      redBits(redBits),
+      greenBits(greenBits),
+      blueBits(blueBits),
+      alphaBits(alphaBits),
+      luminanceBits(lumBits),
+      depthBits(depthBits),
+      stencilBits(stencilBits),
+      formatID(formatID)
+{}
+
+const D3DFormat &GetD3DFormatInfo(D3DFORMAT format)
+{
+    if (format == D3DFMT_NULL)
+    {
+        static const D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FormatID::NONE);
+        return info;
+    }
+
+    if (format == D3DFMT_INTZ)
+    {
+        static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8, FormatID::D24_UNORM_S8_UINT);
+        return info;
+    }
+
+    switch (format)
+    {
+        case D3DFMT_UNKNOWN:
+        {
+            static const D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FormatID::NONE);
+            return info;
+        }
+
+        case D3DFMT_L8:
+        {
+            static const D3DFormat info(8, 1, 1, 0, 0, 0, 0, 8, 0, 0, FormatID::L8_UNORM);
+            return info;
+        }
+        case D3DFMT_A8:
+        {
+            static const D3DFormat info(8, 1, 1, 0, 0, 0, 8, 0, 0, 0, FormatID::A8_UNORM);
+            return info;
+        }
+        case D3DFMT_A8L8:
+        {
+            static const D3DFormat info(16, 1, 1, 0, 0, 0, 8, 8, 0, 0, FormatID::L8A8_UNORM);
+            return info;
+        }
+
+        case D3DFMT_A4R4G4B4:
+        {
+            static const D3DFormat info(16, 1, 1, 4, 4, 4, 4, 0, 0, 0, FormatID::B4G4R4A4_UNORM);
+            return info;
+        }
+        case D3DFMT_A1R5G5B5:
+        {
+            static const D3DFormat info(16, 1, 1, 5, 5, 5, 1, 0, 0, 0, FormatID::B5G5R5A1_UNORM);
+            return info;
+        }
+        case D3DFMT_R5G6B5:
+        {
+            static const D3DFormat info(16, 1, 1, 5, 6, 5, 0, 0, 0, 0, FormatID::R5G6B5_UNORM);
+            return info;
+        }
+        case D3DFMT_X8R8G8B8:
+        {
+            static const D3DFormat info(32, 1, 1, 8, 8, 8, 0, 0, 0, 0, FormatID::B8G8R8X8_UNORM);
+            return info;
+        }
+        case D3DFMT_A8R8G8B8:
+        {
+            static const D3DFormat info(32, 1, 1, 8, 8, 8, 8, 0, 0, 0, FormatID::B8G8R8A8_UNORM);
+            return info;
+        }
+
+        case D3DFMT_R16F:
+        {
+            static const D3DFormat info(16, 1, 1, 16, 0, 0, 0, 0, 0, 0, FormatID::R16_FLOAT);
+            return info;
+        }
+        case D3DFMT_G16R16F:
+        {
+            static const D3DFormat info(32, 1, 1, 16, 16, 0, 0, 0, 0, 0, FormatID::R16G16_FLOAT);
+            return info;
+        }
+        case D3DFMT_A16B16G16R16F:
+        {
+            static const D3DFormat info(64, 1, 1, 16, 16, 16, 16, 0, 0, 0,
+                                        FormatID::R16G16B16A16_FLOAT);
+            return info;
+        }
+        case D3DFMT_R32F:
+        {
+            static const D3DFormat info(32, 1, 1, 32, 0, 0, 0, 0, 0, 0, FormatID::R32_FLOAT);
+            return info;
+        }
+        case D3DFMT_G32R32F:
+        {
+            static const D3DFormat info(64, 1, 1, 32, 32, 0, 0, 0, 0, 0, FormatID::R32G32_FLOAT);
+            return info;
+        }
+        case D3DFMT_A32B32G32R32F:
+        {
+            static const D3DFormat info(128, 1, 1, 32, 32, 32, 32, 0, 0, 0,
+                                        FormatID::R32G32B32A32_FLOAT);
+            return info;
+        }
+
+        case D3DFMT_D16:
+        {
+            static const D3DFormat info(16, 1, 1, 0, 0, 0, 0, 0, 16, 0, FormatID::D16_UNORM);
+            return info;
+        }
+        case D3DFMT_D24S8:
+        {
+            static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8,
+                                        FormatID::D24_UNORM_S8_UINT);
+            return info;
+        }
+        case D3DFMT_D24X8:
+        {
+            static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 0, FormatID::D16_UNORM);
+            return info;
+        }
+        case D3DFMT_D32:
+        {
+            static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 32, 0, FormatID::D32_UNORM);
+            return info;
+        }
+
+        case D3DFMT_DXT1:
+        {
+            static const D3DFormat info(64, 4, 4, 0, 0, 0, 0, 0, 0, 0,
+                                        FormatID::BC1_RGBA_UNORM_BLOCK);
+            return info;
+        }
+        case D3DFMT_DXT3:
+        {
+            static const D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0,
+                                        FormatID::BC2_RGBA_UNORM_BLOCK);
+            return info;
+        }
+        case D3DFMT_DXT5:
+        {
+            static const D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0,
+                                        FormatID::BC3_RGBA_UNORM_BLOCK);
+            return info;
+        }
+
+        default:
+        {
+            static const D3DFormat defaultInfo;
+            return defaultInfo;
+        }
+    }
+}
+}  // namespace d3d9
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d_format.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d_format.h
new file mode 100644
index 0000000000..4554f11460
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d_format.h
@@ -0,0 +1,58 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// d3d_format: Describes a D3D9 format. Used by the D3D9 and GL back-ends.
+
+#ifndef LIBANGLE_RENDERER_D3D_FORMAT_H_
+#define LIBANGLE_RENDERER_D3D_FORMAT_H_
+
+#include "libANGLE/renderer/Format.h"
+
+// We forcibly include the D3D9 header here because this file can be used from 3 different backends.
+#include <d3d9.h>
+
+namespace rx
+{
+namespace d3d9
+{
+struct D3DFormat
+{
+    D3DFormat();
+    D3DFormat(GLuint pixelBytes,
+              GLuint blockWidth,
+              GLuint blockHeight,
+              GLuint redBits,
+              GLuint greenBits,
+              GLuint blueBits,
+              GLuint alphaBits,
+              GLuint luminanceBits,
+              GLuint depthBits,
+              GLuint stencilBits,
+              angle::FormatID formatID);
+
+    const angle::Format &info() const { return angle::Format::Get(formatID); }
+
+    GLuint pixelBytes;
+    GLuint blockWidth;
+    GLuint blockHeight;
+
+    GLuint redBits;
+    GLuint greenBits;
+    GLuint blueBits;
+    GLuint alphaBits;
+    GLuint luminanceBits;
+
+    GLuint depthBits;
+    GLuint stencilBits;
+
+    angle::FormatID formatID;
+};
+
+const D3DFormat &GetD3DFormatInfo(D3DFORMAT format);
+
+}  // namespace d3d9
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_FORMAT_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.cpp b/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.cpp
new file mode 100644
index 0000000000..360a0dd9a2
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.cpp
@@ -0,0 +1,438 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// driver_utils.h : provides more information about current driver.
+
+#include <algorithm>
+
+#include "libANGLE/renderer/driver_utils.h"
+
+#include "common/platform.h"
+#include "common/system_utils.h"
+
+#if defined(ANGLE_PLATFORM_ANDROID)
+#    include <sys/system_properties.h>
+#endif
+
+#if defined(ANGLE_PLATFORM_LINUX)
+#    include <sys/utsname.h>
+#endif
+
+#if defined(ANGLE_PLATFORM_WINDOWS)
+#    include <versionhelpers.h>
+#endif
+
+namespace rx
+{
+// Intel
+// Referenced from
+// https://gitlab.freedesktop.org/mesa/mesa/-/blob/main/include/pci_ids/crocus_pci_ids.h
+// https://gitlab.freedesktop.org/mesa/mesa/-/blob/main/include/pci_ids/iris_pci_ids.h
+namespace
+{
+// gen6
+const uint16_t SandyBridge[] = {
+    0x0102, 0x0106, 0x010A,         // snb_gt1
+    0x0112, 0x0122, 0x0116, 0x0126  // snb_gt2
+};
+
+// gen7
+const uint16_t IvyBridge[] = {
+    0x0152, 0x0156, 0x015A,  // ivb_gt1
+    0x0162, 0x0166, 0x016A   // ivb_gt2
+};
+
+// gen 7.5
+const uint16_t Haswell[] = {
+    0x0402, 0x0406, 0x040A, 0x040B, 0x040E, 0x0C02, 0x0C06, 0x0C0A, 0x0C0B, 0x0C0E,
+    0x0A02, 0x0A06, 0x0A0A, 0x0A0B, 0x0A0E, 0x0D02, 0x0D06, 0x0D0A, 0x0D0B, 0x0D0E,  // hsw_gt1
+    0x0412, 0x0416, 0x041A, 0x041B, 0x041E, 0x0C12, 0x0C16, 0x0C1A, 0x0C1B, 0x0C1E,
+    0x0A12, 0x0A16, 0x0A1A, 0x0A1B, 0x0A1E, 0x0D12, 0x0D16, 0x0D1A, 0x0D1B, 0x0D1E,  // hsw_gt2
+    0x0422, 0x0426, 0x042A, 0x042B, 0x042E, 0x0C22, 0x0C26, 0x0C2A, 0x0C2B, 0x0C2E,
+    0x0A22, 0x0A26, 0x0A2A, 0x0A2B, 0x0A2E, 0x0D22, 0x0D26, 0x0D2A, 0x0D2B, 0x0D2E  // hsw_gt3
+};
+
+// gen8
+const uint16_t Broadwell[] = {
+    0x1602, 0x1606, 0x160A, 0x160B, 0x160D, 0x160E,  // bdw_gt1
+    0x1612, 0x1616, 0x161A, 0x161B, 0x161D, 0x161E,  // bdw_gt2
+    0x1622, 0x1626, 0x162A, 0x162B, 0x162D, 0x162E   // bdw_gt3
+};
+
+const uint16_t CherryView[] = {0x22B0, 0x22B1, 0x22B2, 0x22B3};
+
+// gen9
+const uint16_t Skylake[] = {
+    0x1902, 0x1906, 0x190A, 0x190B, 0x190E,                                          // skl_gt1
+    0x1912, 0x1913, 0x1915, 0x1916, 0x1917, 0x191A, 0x191B, 0x191D, 0x191E, 0x1921,  // skl_gt2
+    0x1923, 0x1926, 0x1927, 0x192B, 0x192D,                                          // skl_gt3
+    0x192A, 0x1932, 0x193A, 0x193B, 0x193D                                           // skl_gt4
+};
+
+// gen9lp
+const uint16_t Broxton[] = {0x0A84, 0x1A84, 0x1A85, 0x5A84, 0x5A85};
+
+const uint16_t GeminiLake[] = {0x3184, 0x3185};
+
+// gen9p5
+const uint16_t KabyLake[] = {
+    // Kaby Lake
+    0x5902, 0x5906, 0x5908, 0x590A, 0x590B, 0x590E,                  // kbl_gt1
+    0x5913, 0x5915,                                                  // kbl_gt1_5
+    0x5912, 0x5916, 0x5917, 0x591A, 0x591B, 0x591D, 0x591E, 0x5921,  // kbl_gt2
+    0x5923, 0x5926, 0x5927,                                          // kbl_gt3
+    0x593B,                                                          // kbl_gt4
+    // Amber Lake
+    0x591C, 0x87C0  // kbl_gt2
+};
+
+const uint16_t CoffeeLake[] = {
+    // Amber Lake
+    0x87CA,  // cfl_gt2
+
+    // Coffee Lake
+    0x3E90, 0x3E93, 0x3E99, 0x3E9C,                                  // cfl_gt1
+    0x3E91, 0x3E92, 0x3E94, 0x3E96, 0x3E98, 0x3E9A, 0x3E9B, 0x3EA9,  // cfl_gt2
+    0x3EA5, 0x3EA6, 0x3EA7, 0x3EA8,                                  // cfl_gt3
+
+    // Whisky Lake
+    0x3EA1, 0x3EA4,  // cfl_gt1
+    0x3EA0, 0x3EA3,  // cfl_gt2
+    0x3EA2,          // cfl_gt3
+
+    // Comet Lake
+    0x9B21, 0x9BA0, 0x9BA2, 0x9BA4, 0x9BA5, 0x9BA8, 0x9BAA, 0x9BAB, 0x9BAC,          // cfl_gt1
+    0x9B41, 0x9BC0, 0x9BC2, 0x9BC4, 0x9BC5, 0x9BC6, 0x9BC8, 0x9BCA, 0x9BCB, 0x9BCC,  // cfl_gt2
+    0x9BE6, 0x9BF6                                                                   // cfl_gt2
+};
+
+const uint16_t IntelGen11[] = {
+    // Ice Lake
+    0x8A71,                                  // icl_gt0_5
+    0x8A56, 0x8A58, 0x8A5B, 0x8A5D,          // icl_gt1
+    0x8A54, 0x8A57, 0x8A59, 0x8A5A, 0x8A5C,  // icl_gt1_5
+    0x8A50, 0x8A51, 0x8A52, 0x8A53,          // icl_gt2
+
+    // Elkhart Lake
+    0x4500, 0x4541, 0x4551, 0x4555, 0x4557, 0x4571,
+
+    // Jasper Lake
+    0x4E51, 0x4E55, 0x4E57, 0x4E61, 0x4E71};
+
+const uint16_t IntelGen12[] = {
+    // Rocket Lake
+    0x4C8C,                          // rkl_gt05
+    0x4C8A, 0x4C8B, 0x4C90, 0x4C9A,  // rkl_gt1
+
+    // Alder Lake
+    0x4683, 0x4693,                                                          // adl_gt05
+    0x4680, 0x4681, 0x4682, 0x4688, 0x4689, 0x4690, 0x4691, 0x4692,          // adl_gt1
+    0x4626, 0x4628, 0x462A, 0x46A0, 0x46A1, 0x46A2, 0x46A3, 0x46A6, 0x46A8,  // adl_gt2
+    0x46AA, 0x46B0, 0x46B1, 0x46B2, 0x46B3, 0x46C0, 0x46C1, 0x46C2, 0x46C3,  // adl_gt2
+    0x46D0, 0x46D1, 0x46D2,                                                  // adl_n
+
+    // Tiger Lake
+    0x9A60, 0x9A68, 0x9A70,                                          // tgl_gt1
+    0x9A40, 0x9A49, 0x9A59, 0x9A78, 0x9AC0, 0x9AC9, 0x9AD9, 0x9AF8,  // tgl_gt2
+
+    // Raptop Lake
+    0xA780, 0xA781, 0xA782, 0xA783, 0xA788, 0xA789,  // rpl
+    0xA720, 0xA721, 0xA7A0, 0xA7A1, 0xA7A8, 0xA7A9,  // rpl_p
+
+    // DG1
+    0x4905, 0x4906, 0x4907, 0x4908, 0x4909};
+
+}  // anonymous namespace
+
+IntelDriverVersion::IntelDriverVersion(uint32_t buildNumber) : mBuildNumber(buildNumber) {}
+
+bool IntelDriverVersion::operator==(const IntelDriverVersion &version)
+{
+    return mBuildNumber == version.mBuildNumber;
+}
+
+bool IntelDriverVersion::operator!=(const IntelDriverVersion &version)
+{
+    return !(*this == version);
+}
+
+bool IntelDriverVersion::operator<(const IntelDriverVersion &version)
+{
+    return mBuildNumber < version.mBuildNumber;
+}
+
+bool IntelDriverVersion::operator>=(const IntelDriverVersion &version)
+{
+    return !(*this < version);
+}
+
+bool IsSandyBridge(uint32_t DeviceId)
+{
+    return std::find(std::begin(SandyBridge), std::end(SandyBridge), DeviceId) !=
+           std::end(SandyBridge);
+}
+
+bool IsIvyBridge(uint32_t DeviceId)
+{
+    return std::find(std::begin(IvyBridge), std::end(IvyBridge), DeviceId) != std::end(IvyBridge);
+}
+
+bool IsHaswell(uint32_t DeviceId)
+{
+    return std::find(std::begin(Haswell), std::end(Haswell), DeviceId) != std::end(Haswell);
+}
+
+bool IsBroadwell(uint32_t DeviceId)
+{
+    return std::find(std::begin(Broadwell), std::end(Broadwell), DeviceId) != std::end(Broadwell);
+}
+
+bool IsCherryView(uint32_t DeviceId)
+{
+    return std::find(std::begin(CherryView), std::end(CherryView), DeviceId) !=
+           std::end(CherryView);
+}
+
+bool IsSkylake(uint32_t DeviceId)
+{
+    return std::find(std::begin(Skylake), std::end(Skylake), DeviceId) != std::end(Skylake);
+}
+
+bool IsBroxton(uint32_t DeviceId)
+{
+    return std::find(std::begin(Broxton), std::end(Broxton), DeviceId) != std::end(Broxton);
+}
+
+bool IsKabyLake(uint32_t DeviceId)
+{
+    return std::find(std::begin(KabyLake), std::end(KabyLake), DeviceId) != std::end(KabyLake);
+}
+
+bool IsGeminiLake(uint32_t DeviceId)
+{
+    return std::find(std::begin(GeminiLake), std::end(GeminiLake), DeviceId) !=
+           std::end(GeminiLake);
+}
+
+bool IsCoffeeLake(uint32_t DeviceId)
+{
+    return std::find(std::begin(CoffeeLake), std::end(CoffeeLake), DeviceId) !=
+           std::end(CoffeeLake);
+}
+
+bool Is9thGenIntel(uint32_t DeviceId)
+{
+    return IsSkylake(DeviceId) || IsBroxton(DeviceId) || IsKabyLake(DeviceId);
+}
+
+bool Is11thGenIntel(uint32_t DeviceId)
+{
+    return std::find(std::begin(IntelGen11), std::end(IntelGen11), DeviceId) !=
+           std::end(IntelGen11);
+}
+
+bool Is12thGenIntel(uint32_t DeviceId)
+{
+    return std::find(std::begin(IntelGen12), std::end(IntelGen12), DeviceId) !=
+           std::end(IntelGen12);
+}
+
+const char *GetVendorString(uint32_t vendorId)
+{
+    switch (vendorId)
+    {
+        case VENDOR_ID_AMD:
+            return "AMD";
+        case VENDOR_ID_ARM:
+            return "ARM";
+        case VENDOR_ID_APPLE:
+            return "Apple";
+        case VENDOR_ID_BROADCOM:
+            return "Broadcom";
+        case VENDOR_ID_GOOGLE:
+            return "Google";
+        case VENDOR_ID_INTEL:
+            return "Intel";
+        case VENDOR_ID_MESA:
+            return "Mesa";
+        case VENDOR_ID_MICROSOFT:
+            return "Microsoft";
+        case VENDOR_ID_NVIDIA:
+            return "NVIDIA";
+        case VENDOR_ID_POWERVR:
+            return "Imagination Technologies";
+        case VENDOR_ID_QUALCOMM:
+            return "Qualcomm";
+        case VENDOR_ID_SAMSUNG:
+            return "Samsung Electronics Co., Ltd.";
+        case VENDOR_ID_VIVANTE:
+            return "Vivante";
+        case VENDOR_ID_VMWARE:
+            return "VMware";
+        case 0xba5eba11:  // Mock vendor ID used for tests.
+            return "Test";
+        case 0:
+            return "NULL";
+        default:
+            // TODO(jmadill): More vendor IDs.
+            UNIMPLEMENTED();
+            return "Unknown";
+    }
+}
+
+MajorMinorPatchVersion::MajorMinorPatchVersion() {}
+MajorMinorPatchVersion::MajorMinorPatchVersion(int major, int minor, int patch)
+    : majorVersion(major), minorVersion(minor), patchVersion(patch)
+{}
+
+bool operator==(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b)
+{
+    return std::tie(a.majorVersion, a.minorVersion, a.patchVersion) ==
+           std::tie(b.majorVersion, b.minorVersion, b.patchVersion);
+}
+bool operator!=(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b)
+{
+    return std::tie(a.majorVersion, a.minorVersion, a.patchVersion) !=
+           std::tie(b.majorVersion, b.minorVersion, b.patchVersion);
+}
+bool operator<(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b)
+{
+    return std::tie(a.majorVersion, a.minorVersion, a.patchVersion) <
+           std::tie(b.majorVersion, b.minorVersion, b.patchVersion);
+}
+bool operator>=(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b)
+{
+    return std::tie(a.majorVersion, a.minorVersion, a.patchVersion) >=
+           std::tie(b.majorVersion, b.minorVersion, b.patchVersion);
+}
+
+ARMDriverVersion ParseARMDriverVersion(uint32_t driverVersion)
+{
+    // ARM driver versions are built with the following macro:
+    // ((((uint32_t)(major)) << 22) | (((uint32_t)(minor)) << 12) | ((uint32_t)(patch)))
+    constexpr uint32_t kMinorVersionMask = angle::BitMask<uint32_t>(10);
+    constexpr uint32_t kPatchMask        = angle::BitMask<uint32_t>(12);
+    return ARMDriverVersion(driverVersion >> 22, (driverVersion >> 12) & kMinorVersionMask,
+                            driverVersion & kPatchMask);
+}
+
+int GetAndroidSDKVersion()
+{
+#if defined(ANGLE_PLATFORM_ANDROID)
+    char apiVersion[PROP_VALUE_MAX];
+    int length = __system_property_get("ro.build.version.sdk", apiVersion);
+    if (length == 0)
+    {
+        return 0;
+    }
+    return atoi(apiVersion);
+#else
+    return 0;
+#endif
+}
+#if !defined(ANGLE_PLATFORM_MACOS)
+OSVersion GetMacOSVersion()
+{
+    // Return a default version
+    return OSVersion(0, 0, 0);
+}
+#endif
+
+#if !defined(ANGLE_PLATFORM_IOS)
+OSVersion GetiOSVersion()
+{
+    // Return a default version
+    return OSVersion(0, 0, 0);
+}
+#endif
+
+#if defined(ANGLE_PLATFORM_LINUX)
+bool ParseLinuxOSVersion(const char *version, int *major, int *minor, int *patch)
+{
+    errno = 0;  // reset global error flag.
+    char *next;
+    *major = static_cast<int>(strtol(version, &next, 10));
+    if (next == nullptr || *next != '.' || errno != 0)
+    {
+        return false;
+    }
+
+    *minor = static_cast<int>(strtol(next + 1, &next, 10));
+    if (next == nullptr || *next != '.' || errno != 0)
+    {
+        return false;
+    }
+
+    *patch = static_cast<int>(strtol(next + 1, &next, 10));
+    if (errno != 0)
+    {
+        return false;
+    }
+
+    return true;
+}
+#endif
+
+OSVersion GetLinuxOSVersion()
+{
+#if defined(ANGLE_PLATFORM_LINUX)
+    struct utsname uname_info;
+    if (uname(&uname_info) != 0)
+    {
+        return OSVersion(0, 0, 0);
+    }
+
+    int majorVersion = 0, minorVersion = 0, patchVersion = 0;
+    if (ParseLinuxOSVersion(uname_info.release, &majorVersion, &minorVersion, &patchVersion))
+    {
+        return OSVersion(majorVersion, minorVersion, patchVersion);
+    }
+#endif
+
+    return OSVersion(0, 0, 0);
+}
+
+// There are multiple environment variables that may or may not be set during Wayland
+// sessions, including WAYLAND_DISPLAY, XDG_SESSION_TYPE, and DESKTOP_SESSION
+bool IsWayland()
+{
+    static bool checked   = false;
+    static bool isWayland = false;
+    if (!checked)
+    {
+        if (IsLinux())
+        {
+            if (!angle::GetEnvironmentVar("WAYLAND_DISPLAY").empty())
+            {
+                isWayland = true;
+            }
+            else if (angle::GetEnvironmentVar("XDG_SESSION_TYPE") == "wayland")
+            {
+                isWayland = true;
+            }
+            else if (angle::GetEnvironmentVar("DESKTOP_SESSION").find("wayland") !=
+                     std::string::npos)
+            {
+                isWayland = true;
+            }
+        }
+        checked = true;
+    }
+    return isWayland;
+}
+
+bool IsWin10OrGreater()
+{
+#if defined(ANGLE_ENABLE_WINDOWS_UWP)
+    return true;
+#elif defined(ANGLE_PLATFORM_WINDOWS)
+    return IsWindows10OrGreater();
+#else
+    return false;
+#endif
+}
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.h
new file mode 100644
index 0000000000..3addc07ffd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.h
@@ -0,0 +1,278 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// driver_utils.h : provides more information about current driver.
+
+#ifndef LIBANGLE_RENDERER_DRIVER_UTILS_H_
+#define LIBANGLE_RENDERER_DRIVER_UTILS_H_
+
+#include "common/platform.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+
+enum VendorID : uint32_t
+{
+    VENDOR_ID_UNKNOWN = 0x0,
+    VENDOR_ID_AMD     = 0x1002,
+    VENDOR_ID_APPLE   = 0x106B,
+    VENDOR_ID_ARM     = 0x13B5,
+    // Broadcom devices won't use PCI, but this is their Vulkan vendor id.
+    VENDOR_ID_BROADCOM  = 0x14E4,
+    VENDOR_ID_GOOGLE    = 0x1AE0,
+    VENDOR_ID_INTEL     = 0x8086,
+    VENDOR_ID_MESA      = 0x10005,
+    VENDOR_ID_MICROSOFT = 0x1414,
+    VENDOR_ID_NVIDIA    = 0x10DE,
+    VENDOR_ID_POWERVR   = 0x1010,
+    // This is Qualcomm PCI Vendor ID.
+    // Android doesn't have a PCI bus, but all we need is a unique id.
+    VENDOR_ID_QUALCOMM = 0x5143,
+    VENDOR_ID_SAMSUNG  = 0x144D,
+    VENDOR_ID_VIVANTE  = 0x9999,
+    VENDOR_ID_VMWARE   = 0x15AD,
+};
+
+enum AndroidDeviceID : uint32_t
+{
+    ANDROID_DEVICE_ID_UNKNOWN     = 0x0,
+    ANDROID_DEVICE_ID_NEXUS5X     = 0x4010800,
+    ANDROID_DEVICE_ID_PIXEL2      = 0x5040001,
+    ANDROID_DEVICE_ID_PIXEL1XL    = 0x5030004,
+    ANDROID_DEVICE_ID_PIXEL4      = 0x6040001,
+    ANDROID_DEVICE_ID_SWIFTSHADER = 0xC0DE,
+};
+
+inline bool IsAMD(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_AMD;
+}
+
+inline bool IsApple(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_APPLE;
+}
+
+inline bool IsARM(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_ARM;
+}
+
+inline bool IsBroadcom(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_BROADCOM;
+}
+
+inline bool IsIntel(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_INTEL;
+}
+
+inline bool IsGoogle(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_GOOGLE;
+}
+
+inline bool IsMicrosoft(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_MICROSOFT;
+}
+
+inline bool IsNvidia(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_NVIDIA;
+}
+
+inline bool IsPowerVR(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_POWERVR;
+}
+
+inline bool IsQualcomm(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_QUALCOMM;
+}
+
+inline bool IsSamsung(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_SAMSUNG;
+}
+
+inline bool IsVivante(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_VIVANTE;
+}
+
+inline bool IsVMWare(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_VMWARE;
+}
+
+inline bool IsNexus5X(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_NEXUS5X;
+}
+
+inline bool IsPixel1XL(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_PIXEL1XL;
+}
+
+inline bool IsPixel2(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_PIXEL2;
+}
+
+inline bool IsPixel4(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_PIXEL4;
+}
+
+inline bool IsSwiftshader(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsGoogle(vendorId) && deviceId == ANDROID_DEVICE_ID_SWIFTSHADER;
+}
+
+const char *GetVendorString(uint32_t vendorId);
+
+// For Linux, Intel graphics driver version is the Mesa version. The version number has three
+// fields: major revision, minor revision and release number.
+// For Windows, The version number includes 3rd and 4th fields. Please refer the details at
+// http://www.intel.com/content/www/us/en/support/graphics-drivers/000005654.html.
+// Current implementation only supports Windows.
+class IntelDriverVersion
+{
+  public:
+    IntelDriverVersion(uint32_t buildNumber);
+    bool operator==(const IntelDriverVersion &);
+    bool operator!=(const IntelDriverVersion &);
+    bool operator<(const IntelDriverVersion &);
+    bool operator>=(const IntelDriverVersion &);
+
+  private:
+    uint32_t mBuildNumber;
+};
+
+bool IsSandyBridge(uint32_t DeviceId);
+bool IsIvyBridge(uint32_t DeviceId);
+bool IsHaswell(uint32_t DeviceId);
+bool IsBroadwell(uint32_t DeviceId);
+bool IsCherryView(uint32_t DeviceId);
+bool IsSkylake(uint32_t DeviceId);
+bool IsBroxton(uint32_t DeviceId);
+bool IsKabyLake(uint32_t DeviceId);
+bool IsGeminiLake(uint32_t DeviceId);
+bool IsCoffeeLake(uint32_t DeviceId);
+bool Is9thGenIntel(uint32_t DeviceId);
+bool Is11thGenIntel(uint32_t DeviceId);
+bool Is12thGenIntel(uint32_t DeviceId);
+
+struct MajorMinorPatchVersion
+{
+    MajorMinorPatchVersion();
+    MajorMinorPatchVersion(int major, int minor, int patch);
+
+    int majorVersion = 0;
+    int minorVersion = 0;
+    int patchVersion = 0;
+};
+bool operator==(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+bool operator!=(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+bool operator<(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+bool operator>=(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+
+using ARMDriverVersion = MajorMinorPatchVersion;
+ARMDriverVersion ParseARMDriverVersion(uint32_t driverVersion);
+
+// Platform helpers
+inline bool IsWindows()
+{
+#if defined(ANGLE_PLATFORM_WINDOWS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsLinux()
+{
+#if defined(ANGLE_PLATFORM_LINUX)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsChromeOS()
+{
+#if defined(ANGLE_PLATFORM_CHROMEOS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsApple()
+{
+#if defined(ANGLE_PLATFORM_APPLE)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsMac()
+{
+#if defined(ANGLE_PLATFORM_APPLE) && defined(ANGLE_PLATFORM_MACOS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsFuchsia()
+{
+#if defined(ANGLE_PLATFORM_FUCHSIA)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsIOS()
+{
+#if defined(ANGLE_PLATFORM_IOS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+bool IsWayland();
+bool IsWin10OrGreater();
+
+using OSVersion = MajorMinorPatchVersion;
+
+OSVersion GetMacOSVersion();
+
+OSVersion GetiOSVersion();
+
+OSVersion GetLinuxOSVersion();
+
+inline bool IsAndroid()
+{
+#if defined(ANGLE_PLATFORM_ANDROID)
+    return true;
+#else
+    return false;
+#endif
+}
+
+int GetAndroidSDKVersion();
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_DRIVER_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/dxgi_format_map.h b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_format_map.h
new file mode 100644
index 0000000000..711d0d0a0b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_format_map.h
@@ -0,0 +1,27 @@
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DXGI format info:
+//   Determining metadata about a DXGI format.
+
+#ifndef LIBANGLE_RENDERER_DXGI_FORMAT_MAP_H_
+#define LIBANGLE_RENDERER_DXGI_FORMAT_MAP_H_
+
+#include "common/platform.h"
+
+namespace rx
+{
+namespace d3d11
+{
+GLenum GetComponentType(DXGI_FORMAT dxgiFormat);
+}  // namespace d3d11
+
+namespace d3d11_angle
+{
+const angle::Format &GetFormat(DXGI_FORMAT dxgiFormat);
+}  // namespace d3d11_angle
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_DXGI_FORMAT_MAP_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/dxgi_format_map_autogen.cpp b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_format_map_autogen.cpp
new file mode 100644
index 0000000000..a46567ae0d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_format_map_autogen.cpp
@@ -0,0 +1,516 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_dxgi_format_table.py using data from dxgi_format_data.json.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// DXGI format info:
+//   Determining metadata about a DXGI format.
+
+#include "libANGLE/renderer/Format.h"
+
+using namespace angle;
+
+namespace rx
+{
+
+namespace d3d11
+{
+
+GLenum GetComponentType(DXGI_FORMAT dxgiFormat)
+{
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_420_OPAQUE:
+            break;
+        case DXGI_FORMAT_A8P8:
+            break;
+        case DXGI_FORMAT_A8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_AI44:
+            break;
+        case DXGI_FORMAT_AYUV:
+            break;
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_B5G6R5_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+            break;
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+            break;
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC1_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC1_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC2_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC2_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC3_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC3_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC4_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC4_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC4_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC5_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC5_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC5_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC6H_SF16:
+            break;
+        case DXGI_FORMAT_BC6H_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC6H_UF16:
+            break;
+        case DXGI_FORMAT_BC7_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC7_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_D16_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+            break;
+        case DXGI_FORMAT_D32_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+            break;
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_IA44:
+            break;
+        case DXGI_FORMAT_NV11:
+            break;
+        case DXGI_FORMAT_NV12:
+            break;
+        case DXGI_FORMAT_P010:
+            break;
+        case DXGI_FORMAT_P016:
+            break;
+        case DXGI_FORMAT_P8:
+            break;
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+            break;
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+            break;
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R16G16_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R16G16_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R16G16_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_R16G16_TYPELESS:
+            break;
+        case DXGI_FORMAT_R16G16_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R16G16_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R16_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R16_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R16_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_R16_TYPELESS:
+            break;
+        case DXGI_FORMAT_R16_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R16_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R1_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R24G8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R32G32B32_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32G32B32_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R32G32_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R32G32_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R32G32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32G32_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32_FLOAT:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+            return GL_FLOAT;
+        case DXGI_FORMAT_R32_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R8G8_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R8G8_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_R8G8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R8G8_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R8G8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R8_SINT:
+            return GL_INT;
+        case DXGI_FORMAT_R8_SNORM:
+            return GL_SIGNED_NORMALIZED;
+        case DXGI_FORMAT_R8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R8_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_R8_UNORM:
+            return GL_UNSIGNED_NORMALIZED;
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+            return GL_FLOAT;
+        case DXGI_FORMAT_UNKNOWN:
+            break;
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+            return GL_UNSIGNED_INT;
+        case DXGI_FORMAT_Y210:
+            break;
+        case DXGI_FORMAT_Y216:
+            break;
+        case DXGI_FORMAT_Y410:
+            break;
+        case DXGI_FORMAT_Y416:
+            break;
+        case DXGI_FORMAT_YUY2:
+            break;
+        default:
+            break;
+    }
+
+    UNREACHABLE();
+    return GL_NONE;
+}
+
+}  // namespace d3d11
+
+namespace d3d11_angle
+{
+
+const Format &GetFormat(DXGI_FORMAT dxgiFormat)
+{
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_420_OPAQUE:
+            break;
+        case DXGI_FORMAT_A8P8:
+            break;
+        case DXGI_FORMAT_A8_UNORM:
+            return Format::Get(FormatID::A8_UNORM);
+        case DXGI_FORMAT_AI44:
+            break;
+        case DXGI_FORMAT_AYUV:
+            break;
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+            return Format::Get(FormatID::B4G4R4A4_UNORM);
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+            return Format::Get(FormatID::B5G5R5A1_UNORM);
+        case DXGI_FORMAT_B5G6R5_UNORM:
+            return Format::Get(FormatID::B5G6R5_UNORM);
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+            return Format::Get(FormatID::B8G8R8A8_TYPELESS);
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+            return Format::Get(FormatID::B8G8R8A8_UNORM);
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+            return Format::Get(FormatID::B8G8R8A8_UNORM_SRGB);
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+            break;
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+            return Format::Get(FormatID::B8G8R8X8_UNORM);
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+            break;
+        case DXGI_FORMAT_BC1_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC1_UNORM:
+            return Format::Get(FormatID::BC1_RGBA_UNORM_BLOCK);
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+            return Format::Get(FormatID::BC1_RGBA_UNORM_SRGB_BLOCK);
+        case DXGI_FORMAT_BC2_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC2_UNORM:
+            return Format::Get(FormatID::BC2_RGBA_UNORM_BLOCK);
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+            return Format::Get(FormatID::BC2_RGBA_UNORM_SRGB_BLOCK);
+        case DXGI_FORMAT_BC3_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC3_UNORM:
+            return Format::Get(FormatID::BC3_RGBA_UNORM_BLOCK);
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+            return Format::Get(FormatID::BC3_RGBA_UNORM_SRGB_BLOCK);
+        case DXGI_FORMAT_BC4_SNORM:
+            return Format::Get(FormatID::BC4_RED_SNORM_BLOCK);
+        case DXGI_FORMAT_BC4_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC4_UNORM:
+            return Format::Get(FormatID::BC4_RED_UNORM_BLOCK);
+        case DXGI_FORMAT_BC5_SNORM:
+            return Format::Get(FormatID::BC5_RG_SNORM_BLOCK);
+        case DXGI_FORMAT_BC5_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC5_UNORM:
+            return Format::Get(FormatID::BC5_RG_UNORM_BLOCK);
+        case DXGI_FORMAT_BC6H_SF16:
+            break;
+        case DXGI_FORMAT_BC6H_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC6H_UF16:
+            break;
+        case DXGI_FORMAT_BC7_TYPELESS:
+            break;
+        case DXGI_FORMAT_BC7_UNORM:
+            break;
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+            break;
+        case DXGI_FORMAT_D16_UNORM:
+            return Format::Get(FormatID::D16_UNORM);
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+            return Format::Get(FormatID::D24_UNORM_S8_UINT);
+        case DXGI_FORMAT_D32_FLOAT:
+            return Format::Get(FormatID::D32_FLOAT);
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+            return Format::Get(FormatID::D32_FLOAT_S8X24_UINT);
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+            break;
+        case DXGI_FORMAT_IA44:
+            break;
+        case DXGI_FORMAT_NV11:
+            break;
+        case DXGI_FORMAT_NV12:
+            break;
+        case DXGI_FORMAT_P010:
+            break;
+        case DXGI_FORMAT_P016:
+            break;
+        case DXGI_FORMAT_P8:
+            break;
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+            break;
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+            return Format::Get(FormatID::R10G10B10A2_UINT);
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+            return Format::Get(FormatID::R10G10B10A2_UNORM);
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+            break;
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+            return Format::Get(FormatID::R11G11B10_FLOAT);
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+            return Format::Get(FormatID::R16G16B16A16_FLOAT);
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+            return Format::Get(FormatID::R16G16B16A16_SINT);
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+            return Format::Get(FormatID::R16G16B16A16_SNORM);
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+            break;
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+            return Format::Get(FormatID::R16G16B16A16_UINT);
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+            return Format::Get(FormatID::R16G16B16A16_UNORM);
+        case DXGI_FORMAT_R16G16_FLOAT:
+            return Format::Get(FormatID::R16G16_FLOAT);
+        case DXGI_FORMAT_R16G16_SINT:
+            return Format::Get(FormatID::R16G16_SINT);
+        case DXGI_FORMAT_R16G16_SNORM:
+            return Format::Get(FormatID::R16G16_SNORM);
+        case DXGI_FORMAT_R16G16_TYPELESS:
+            break;
+        case DXGI_FORMAT_R16G16_UINT:
+            return Format::Get(FormatID::R16G16_UINT);
+        case DXGI_FORMAT_R16G16_UNORM:
+            return Format::Get(FormatID::R16G16_UNORM);
+        case DXGI_FORMAT_R16_FLOAT:
+            return Format::Get(FormatID::R16_FLOAT);
+        case DXGI_FORMAT_R16_SINT:
+            return Format::Get(FormatID::R16_SINT);
+        case DXGI_FORMAT_R16_SNORM:
+            return Format::Get(FormatID::R16_SNORM);
+        case DXGI_FORMAT_R16_TYPELESS:
+            break;
+        case DXGI_FORMAT_R16_UINT:
+            return Format::Get(FormatID::R16_UINT);
+        case DXGI_FORMAT_R16_UNORM:
+            return Format::Get(FormatID::R16_UNORM);
+        case DXGI_FORMAT_R1_UNORM:
+            break;
+        case DXGI_FORMAT_R24G8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+            return Format::Get(FormatID::R32G32B32A32_FLOAT);
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+            return Format::Get(FormatID::R32G32B32A32_SINT);
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+            return Format::Get(FormatID::R32G32B32A32_UINT);
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+            return Format::Get(FormatID::R32G32B32_FLOAT);
+        case DXGI_FORMAT_R32G32B32_SINT:
+            return Format::Get(FormatID::R32G32B32_SINT);
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32G32B32_UINT:
+            return Format::Get(FormatID::R32G32B32_UINT);
+        case DXGI_FORMAT_R32G32_FLOAT:
+            return Format::Get(FormatID::R32G32_FLOAT);
+        case DXGI_FORMAT_R32G32_SINT:
+            return Format::Get(FormatID::R32G32_SINT);
+        case DXGI_FORMAT_R32G32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32G32_UINT:
+            return Format::Get(FormatID::R32G32_UINT);
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32_FLOAT:
+            return Format::Get(FormatID::R32_FLOAT);
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32_SINT:
+            return Format::Get(FormatID::R32_SINT);
+        case DXGI_FORMAT_R32_TYPELESS:
+            break;
+        case DXGI_FORMAT_R32_UINT:
+            return Format::Get(FormatID::R32_UINT);
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+            return Format::Get(FormatID::R8G8B8A8_SINT);
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+            return Format::Get(FormatID::R8G8B8A8_SNORM);
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+            return Format::Get(FormatID::R8G8B8A8_TYPELESS);
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+            return Format::Get(FormatID::R8G8B8A8_UINT);
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+            return Format::Get(FormatID::R8G8B8A8_UNORM);
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+            return Format::Get(FormatID::R8G8B8A8_UNORM_SRGB);
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+            break;
+        case DXGI_FORMAT_R8G8_SINT:
+            return Format::Get(FormatID::R8G8_SINT);
+        case DXGI_FORMAT_R8G8_SNORM:
+            return Format::Get(FormatID::R8G8_SNORM);
+        case DXGI_FORMAT_R8G8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R8G8_UINT:
+            return Format::Get(FormatID::R8G8_UINT);
+        case DXGI_FORMAT_R8G8_UNORM:
+            return Format::Get(FormatID::R8G8_UNORM);
+        case DXGI_FORMAT_R8_SINT:
+            return Format::Get(FormatID::R8_SINT);
+        case DXGI_FORMAT_R8_SNORM:
+            return Format::Get(FormatID::R8_SNORM);
+        case DXGI_FORMAT_R8_TYPELESS:
+            break;
+        case DXGI_FORMAT_R8_UINT:
+            return Format::Get(FormatID::R8_UINT);
+        case DXGI_FORMAT_R8_UNORM:
+            return Format::Get(FormatID::R8_UNORM);
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+            return Format::Get(FormatID::R9G9B9E5_SHAREDEXP);
+        case DXGI_FORMAT_UNKNOWN:
+            return Format::Get(FormatID::NONE);
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+            break;
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+            break;
+        case DXGI_FORMAT_Y210:
+            break;
+        case DXGI_FORMAT_Y216:
+            break;
+        case DXGI_FORMAT_Y410:
+            break;
+        case DXGI_FORMAT_Y416:
+            break;
+        case DXGI_FORMAT_YUY2:
+            break;
+        default:
+            break;
+    }
+
+    UNREACHABLE();
+    return Format::Get(FormatID::NONE);
+}
+
+}  // namespace d3d11_angle
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/dxgi_support_table.h b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_support_table.h
new file mode 100644
index 0000000000..fef57d0a1b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_support_table.h
@@ -0,0 +1,43 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// dxgi_support_table:
+//   Queries for DXGI support of various texture formats. Depends on DXGI
+//   version, D3D feature level, and is sometimes guaranteed or optional.
+//
+
+#ifndef LIBANGLE_RENDERER_DXGI_SUPPORT_TABLE_H_
+#define LIBANGLE_RENDERER_DXGI_SUPPORT_TABLE_H_
+
+#include "common/platform.h"
+
+namespace rx
+{
+
+namespace d3d11
+{
+
+struct DXGISupport
+{
+    DXGISupport() : alwaysSupportedFlags(0), neverSupportedFlags(0), optionallySupportedFlags(0) {}
+
+    DXGISupport(UINT alwaysSupportedIn, UINT neverSupportedIn, UINT optionallySupportedIn)
+        : alwaysSupportedFlags(alwaysSupportedIn),
+          neverSupportedFlags(neverSupportedIn),
+          optionallySupportedFlags(optionallySupportedIn)
+    {}
+
+    UINT alwaysSupportedFlags;
+    UINT neverSupportedFlags;
+    UINT optionallySupportedFlags;
+};
+
+const DXGISupport &GetDXGISupport(DXGI_FORMAT dxgiFormat, D3D_FEATURE_LEVEL featureLevel);
+
+}  // namespace d3d11
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_DXGI_SUPPORT_TABLE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/dxgi_support_table_autogen.cpp b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_support_table_autogen.cpp
new file mode 100644
index 0000000000..56bbaed0db
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/dxgi_support_table_autogen.cpp
@@ -0,0 +1,3042 @@
+// GENERATED FILE - DO NOT EDIT. See dxgi_support_data.json.
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// dxgi_support_table:
+//   Queries for DXGI support of various texture formats. Depends on DXGI
+//   version, D3D feature level, and is sometimes guaranteed or optional.
+//
+
+#include "libANGLE/renderer/dxgi_support_table.h"
+
+#include "common/debug.h"
+
+namespace rx
+{
+
+namespace d3d11
+{
+
+#define F_2D D3D11_FORMAT_SUPPORT_TEXTURE2D
+#define F_3D D3D11_FORMAT_SUPPORT_TEXTURE3D
+#define F_CUBE D3D11_FORMAT_SUPPORT_TEXTURECUBE
+#define F_SAMPLE D3D11_FORMAT_SUPPORT_SHADER_SAMPLE
+#define F_RT D3D11_FORMAT_SUPPORT_RENDER_TARGET
+#define F_MS D3D11_FORMAT_SUPPORT_MULTISAMPLE_RENDERTARGET
+#define F_DS D3D11_FORMAT_SUPPORT_DEPTH_STENCIL
+#define F_MIPGEN D3D11_FORMAT_SUPPORT_MIP_AUTOGEN
+
+namespace
+{
+
+const DXGISupport &GetDefaultSupport()
+{
+    static UINT AllSupportFlags =
+        D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_TEXTURE3D |
+        D3D11_FORMAT_SUPPORT_TEXTURECUBE | D3D11_FORMAT_SUPPORT_SHADER_SAMPLE |
+        D3D11_FORMAT_SUPPORT_RENDER_TARGET | D3D11_FORMAT_SUPPORT_MULTISAMPLE_RENDERTARGET |
+        D3D11_FORMAT_SUPPORT_DEPTH_STENCIL | D3D11_FORMAT_SUPPORT_MIP_AUTOGEN;
+    static const DXGISupport defaultSupport(0, 0, AllSupportFlags);
+    return defaultSupport;
+}
+
+const DXGISupport &GetDXGISupport_9_3(DXGI_FORMAT dxgiFormat)
+{
+    // clang-format off
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_420_OPAQUE:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_AI44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_AYUV:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G6R5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT, F_DS, F_2D | F_3D | F_CUBE | F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_SNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_SNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_SF16:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_UF16:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_D16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_IA44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_NV11:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_NV12:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P010:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P016:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+        {
+            static const DXGISupport info(0, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+        {
+            static const DXGISupport info(0, F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D);
+            return info;
+        }
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+        {
+            static const DXGISupport info(0, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT, F_DS, F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+        {
+            static const DXGISupport info(0, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_FLOAT:
+        {
+            static const DXGISupport info(0, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SNORM:
+        {
+            static const DXGISupport info(0, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R1_UNORM:
+        {
+            static const DXGISupport info(F_2D, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+        {
+            static const DXGISupport info(0, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UNORM:
+        {
+            static const DXGISupport info(0, F_DS, F_MS | F_RT | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SNORM:
+        {
+            static const DXGISupport info(0, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UINT:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_UNKNOWN:
+        {
+            static const DXGISupport info(0, F_2D | F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y210:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y216:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y410:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y416:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_YUY2:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+
+        default:
+            UNREACHABLE();
+            return GetDefaultSupport();
+    }
+    // clang-format on
+}
+
+const DXGISupport &GetDXGISupport_10_0(DXGI_FORMAT dxgiFormat)
+{
+    // clang-format off
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_420_OPAQUE:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_AI44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_AYUV:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G6R5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+        {
+            static const DXGISupport info(F_MIPGEN, F_DS, F_2D | F_3D | F_CUBE | F_MS | F_RT | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT, F_DS, F_2D | F_3D | F_CUBE | F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_SF16:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_UF16:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_D16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_IA44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_NV11:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_NV12:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P010:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P016:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+        {
+            static const DXGISupport info(0, F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D);
+            return info;
+        }
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R1_UNORM:
+        {
+            static const DXGISupport info(F_2D, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT, F_DS, F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT, F_DS, F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT, F_DS, F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_R32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_UNKNOWN:
+        {
+            static const DXGISupport info(0, F_2D | F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y210:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y216:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y410:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y416:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_YUY2:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+
+        default:
+            UNREACHABLE();
+            return GetDefaultSupport();
+    }
+    // clang-format on
+}
+
+const DXGISupport &GetDXGISupport_10_1(DXGI_FORMAT dxgiFormat)
+{
+    // clang-format off
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_420_OPAQUE:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_AI44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_AYUV:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G6R5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+        {
+            static const DXGISupport info(F_MIPGEN, F_DS, F_2D | F_3D | F_CUBE | F_MS | F_RT | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT, F_DS, F_2D | F_3D | F_CUBE | F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS | F_SAMPLE);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_SF16:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_UF16:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_D16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_IA44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_NV11:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_NV12:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P010:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P016:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+        {
+            static const DXGISupport info(0, F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D);
+            return info;
+        }
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R1_UNORM:
+        {
+            static const DXGISupport info(F_2D, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_SAMPLE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_SAMPLE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_UNKNOWN:
+        {
+            static const DXGISupport info(0, F_2D | F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y210:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y216:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y410:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y416:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_YUY2:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+
+        default:
+            UNREACHABLE();
+            return GetDefaultSupport();
+    }
+    // clang-format on
+}
+
+const DXGISupport &GetDXGISupport_11_0(DXGI_FORMAT dxgiFormat)
+{
+    // clang-format off
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_420_OPAQUE:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_AI44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_AYUV:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G6R5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+        {
+            static const DXGISupport info(F_RT | F_SAMPLE, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_RT | F_SAMPLE, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_SF16:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_UF16:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_D16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_IA44:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_NV11:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_NV12:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P010:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P016:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P8:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+        {
+            static const DXGISupport info(0, F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D);
+            return info;
+        }
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_SAMPLE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_SAMPLE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_UNKNOWN:
+        {
+            static const DXGISupport info(0, F_2D | F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y210:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y216:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y410:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y416:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_YUY2:
+        {
+            static const DXGISupport info(0, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+
+        default:
+            UNREACHABLE();
+            return GetDefaultSupport();
+    }
+    // clang-format on
+}
+
+const DXGISupport &GetDXGISupport_11_1(DXGI_FORMAT dxgiFormat)
+{
+    // clang-format off
+    switch (dxgiFormat)
+    {
+        case DXGI_FORMAT_420_OPAQUE:
+        {
+            static const DXGISupport info(F_2D, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8P8:
+        {
+            static const DXGISupport info(F_2D, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_AI44:
+        {
+            static const DXGISupport info(F_2D, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_AYUV:
+        {
+            static const DXGISupport info(F_2D | F_RT | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B4G4R4A4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G5R5A1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_SAMPLE, F_DS, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_B5G6R5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+        {
+            static const DXGISupport info(0, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D | F_CUBE);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+        {
+            static const DXGISupport info(F_RT | F_SAMPLE, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_RT | F_SAMPLE, F_DS | F_MIPGEN, F_2D | F_3D | F_CUBE | F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC1_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC2_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC3_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC4_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC5_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_SF16:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC6H_UF16:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_BC7_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_D16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D24_UNORM_S8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_DS, F_3D | F_MIPGEN | F_RT | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_G8R8_G8B8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_IA44:
+        {
+            static const DXGISupport info(F_2D, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_NV11:
+        {
+            static const DXGISupport info(F_2D | F_RT | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_NV12:
+        {
+            static const DXGISupport info(F_2D | F_RT | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P010:
+        {
+            static const DXGISupport info(F_2D | F_RT | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P016:
+        {
+            static const DXGISupport info(F_2D | F_RT | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_P8:
+        {
+            static const DXGISupport info(F_2D, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10A2_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
+        {
+            static const DXGISupport info(0, F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, F_2D | F_3D);
+            return info;
+        }
+        case DXGI_FORMAT_R11G11B10_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16B16A16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16G16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R16_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R1_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_SAMPLE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32A32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32B32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_SAMPLE, F_MS | F_RT);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32G32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32G8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_CUBE | F_SAMPLE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R32_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R32_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_B8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8G8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_SNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_TYPELESS:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE, F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_RT, F_DS | F_MIPGEN | F_SAMPLE, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R8_UNORM:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_MIPGEN | F_RT | F_SAMPLE, F_DS, F_MS);
+            return info;
+        }
+        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
+        {
+            static const DXGISupport info(F_2D | F_3D | F_CUBE | F_SAMPLE, F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_UNKNOWN:
+        {
+            static const DXGISupport info(0, F_2D | F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+        {
+            static const DXGISupport info(F_2D | F_CUBE, F_3D | F_DS | F_MIPGEN | F_MS | F_RT | F_SAMPLE, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y210:
+        {
+            static const DXGISupport info(F_2D | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y216:
+        {
+            static const DXGISupport info(F_2D | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y410:
+        {
+            static const DXGISupport info(F_2D | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_Y416:
+        {
+            static const DXGISupport info(F_2D | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+        case DXGI_FORMAT_YUY2:
+        {
+            static const DXGISupport info(F_2D | F_SAMPLE, F_3D | F_CUBE | F_DS | F_MIPGEN | F_MS | F_RT, 0);
+            return info;
+        }
+
+        default:
+            UNREACHABLE();
+            return GetDefaultSupport();
+    }
+    // clang-format on
+}
+
+}  // namespace
+
+#undef F_2D
+#undef F_3D
+#undef F_CUBE
+#undef F_SAMPLE
+#undef F_RT
+#undef F_MS
+#undef F_DS
+#undef F_MIPGEN
+
+const DXGISupport &GetDXGISupport(DXGI_FORMAT dxgiFormat, D3D_FEATURE_LEVEL featureLevel)
+{
+    switch (featureLevel)
+    {
+        case D3D_FEATURE_LEVEL_9_3:
+            return GetDXGISupport_9_3(dxgiFormat);
+        case D3D_FEATURE_LEVEL_10_0:
+            return GetDXGISupport_10_0(dxgiFormat);
+        case D3D_FEATURE_LEVEL_10_1:
+            return GetDXGISupport_10_1(dxgiFormat);
+        case D3D_FEATURE_LEVEL_11_0:
+            return GetDXGISupport_11_0(dxgiFormat);
+        case D3D_FEATURE_LEVEL_11_1:
+            return GetDXGISupport_11_1(dxgiFormat);
+        default:
+            return GetDefaultSupport();
+    }
+}
+
+}  // namespace d3d11
+
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/gl/functionsgl_enums.h b/gfx/angle/checkout/src/libANGLE/renderer/gl/functionsgl_enums.h
new file mode 100644
index 0000000000..667436e915
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/gl/functionsgl_enums.h
@@ -0,0 +1,1376 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// functionsgl_enums.h: OpenGL enums for versions 1.0 through 4.5.
+
+#ifndef LIBANGLE_RENDERER_GL_FUNCTIONSGLENUMS_H_
+#define LIBANGLE_RENDERER_GL_FUNCTIONSGLENUMS_H_
+
+// 1.0
+#define GL_ALPHA 0x1906
+#define GL_ALWAYS 0x0207
+#define GL_AND 0x1501
+#define GL_AND_INVERTED 0x1504
+#define GL_AND_REVERSE 0x1502
+#define GL_BACK 0x0405
+#define GL_BACK_LEFT 0x0402
+#define GL_BACK_RIGHT 0x0403
+#define GL_BLEND 0x0BE2
+#define GL_BLEND_DST 0x0BE0
+#define GL_BLEND_SRC 0x0BE1
+#define GL_BLUE 0x1905
+#define GL_BYTE 0x1400
+#define GL_CCW 0x0901
+#define GL_CLEAR 0x1500
+#define GL_COLOR 0x1800
+#define GL_COLOR_BUFFER_BIT 0x00004000
+#define GL_COLOR_CLEAR_VALUE 0x0C22
+#define GL_COLOR_LOGIC_OP 0x0BF2
+#define GL_COLOR_WRITEMASK 0x0C23
+#define GL_COPY 0x1503
+#define GL_COPY_INVERTED 0x150C
+#define GL_CULL_FACE 0x0B44
+#define GL_CULL_FACE_MODE 0x0B45
+#define GL_CW 0x0900
+#define GL_DECR 0x1E03
+#define GL_DEPTH 0x1801
+#define GL_DEPTH_BUFFER_BIT 0x00000100
+#define GL_DEPTH_CLEAR_VALUE 0x0B73
+#define GL_DEPTH_COMPONENT 0x1902
+#define GL_DEPTH_FUNC 0x0B74
+#define GL_DEPTH_RANGE 0x0B70
+#define GL_DEPTH_TEST 0x0B71
+#define GL_DEPTH_WRITEMASK 0x0B72
+#define GL_DITHER 0x0BD0
+#define GL_DONT_CARE 0x1100
+#define GL_DOUBLE 0x140A
+#define GL_DOUBLEBUFFER 0x0C32
+#define GL_DRAW_BUFFER 0x0C01
+#define GL_DST_ALPHA 0x0304
+#define GL_DST_COLOR 0x0306
+#define GL_EQUAL 0x0202
+#define GL_EQUIV 0x1509
+#define GL_EXTENSIONS 0x1F03
+#define GL_FALSE 0
+#define GL_FASTEST 0x1101
+#define GL_FILL 0x1B02
+#define GL_FLOAT 0x1406
+#define GL_FRONT 0x0404
+#define GL_FRONT_AND_BACK 0x0408
+#define GL_FRONT_FACE 0x0B46
+#define GL_FRONT_LEFT 0x0400
+#define GL_FRONT_RIGHT 0x0401
+#define GL_GEQUAL 0x0206
+#define GL_GREATER 0x0204
+#define GL_GREEN 0x1904
+#define GL_INCR 0x1E02
+#define GL_INT 0x1404
+#define GL_INVALID_ENUM 0x0500
+#define GL_INVALID_OPERATION 0x0502
+#define GL_INVALID_VALUE 0x0501
+#define GL_INVERT 0x150A
+#define GL_KEEP 0x1E00
+#define GL_LEFT 0x0406
+#define GL_LEQUAL 0x0203
+#define GL_LESS 0x0201
+#define GL_LINE 0x1B01
+#define GL_LINEAR 0x2601
+#define GL_LINEAR_MIPMAP_LINEAR 0x2703
+#define GL_LINEAR_MIPMAP_NEAREST 0x2701
+#define GL_LINES 0x0001
+#define GL_LINE_LOOP 0x0002
+#define GL_LINE_SMOOTH 0x0B20
+#define GL_LINE_SMOOTH_HINT 0x0C52
+#define GL_LINE_STRIP 0x0003
+#define GL_LINE_WIDTH 0x0B21
+#define GL_LINE_WIDTH_GRANULARITY 0x0B23
+#define GL_LINE_WIDTH_RANGE 0x0B22
+#define GL_LOGIC_OP_MODE 0x0BF0
+#define GL_MAX_TEXTURE_SIZE 0x0D33
+#define GL_MAX_VIEWPORT_DIMS 0x0D3A
+#define GL_NAND 0x150E
+#define GL_NEAREST 0x2600
+#define GL_NEAREST_MIPMAP_LINEAR 0x2702
+#define GL_NEAREST_MIPMAP_NEAREST 0x2700
+#define GL_NEVER 0x0200
+#define GL_NICEST 0x1102
+#define GL_NONE 0
+#define GL_NOOP 0x1505
+#define GL_NOR 0x1508
+#define GL_NOTEQUAL 0x0205
+#define GL_NO_ERROR 0
+#define GL_ONE 1
+#define GL_ONE_MINUS_DST_ALPHA 0x0305
+#define GL_ONE_MINUS_DST_COLOR 0x0307
+#define GL_ONE_MINUS_SRC_ALPHA 0x0303
+#define GL_ONE_MINUS_SRC_COLOR 0x0301
+#define GL_OR 0x1507
+#define GL_OR_INVERTED 0x150D
+#define GL_OR_REVERSE 0x150B
+#define GL_OUT_OF_MEMORY 0x0505
+#define GL_PACK_ALIGNMENT 0x0D05
+#define GL_PACK_LSB_FIRST 0x0D01
+#define GL_PACK_ROW_LENGTH 0x0D02
+#define GL_PACK_SKIP_PIXELS 0x0D04
+#define GL_PACK_SKIP_ROWS 0x0D03
+#define GL_PACK_SWAP_BYTES 0x0D00
+#define GL_POINT 0x1B00
+#define GL_POINTS 0x0000
+#define GL_POINT_SIZE 0x0B11
+#define GL_POINT_SIZE_GRANULARITY 0x0B13
+#define GL_POINT_SIZE_RANGE 0x0B12
+#define GL_POLYGON_MODE 0x0B40
+#define GL_POLYGON_OFFSET_FACTOR 0x8038
+#define GL_POLYGON_OFFSET_FILL 0x8037
+#define GL_POLYGON_OFFSET_LINE 0x2A02
+#define GL_POLYGON_OFFSET_POINT 0x2A01
+#define GL_POLYGON_OFFSET_UNITS 0x2A00
+#define GL_POLYGON_SMOOTH 0x0B41
+#define GL_POLYGON_SMOOTH_HINT 0x0C53
+#define GL_PROXY_TEXTURE_1D 0x8063
+#define GL_PROXY_TEXTURE_2D 0x8064
+#define GL_QUADS 0x0007
+#define GL_R3_G3_B2 0x2A10
+#define GL_READ_BUFFER 0x0C02
+#define GL_RED 0x1903
+#define GL_RENDERER 0x1F01
+#define GL_REPEAT 0x2901
+#define GL_REPLACE 0x1E01
+#define GL_RGB 0x1907
+#define GL_RGB10 0x8052
+#define GL_RGB10_A2 0x8059
+#define GL_RGB12 0x8053
+#define GL_RGB16 0x8054
+#define GL_RGB4 0x804F
+#define GL_RGB5 0x8050
+#define GL_RGB5_A1 0x8057
+#define GL_RGB8 0x8051
+#define GL_RGBA 0x1908
+#define GL_RGBA12 0x805A
+#define GL_RGBA16 0x805B
+#define GL_RGBA2 0x8055
+#define GL_RGBA4 0x8056
+#define GL_RGBA8 0x8058
+#define GL_RIGHT 0x0407
+#define GL_SCISSOR_BOX 0x0C10
+#define GL_SCISSOR_TEST 0x0C11
+#define GL_SET 0x150F
+#define GL_SHORT 0x1402
+#define GL_SRC_ALPHA 0x0302
+#define GL_SRC_ALPHA_SATURATE 0x0308
+#define GL_SRC_COLOR 0x0300
+#define GL_STENCIL 0x1802
+#define GL_STENCIL_BUFFER_BIT 0x00000400
+#define GL_STENCIL_CLEAR_VALUE 0x0B91
+#define GL_STENCIL_FAIL 0x0B94
+#define GL_STENCIL_FUNC 0x0B92
+#define GL_STENCIL_INDEX 0x1901
+#define GL_STENCIL_PASS_DEPTH_FAIL 0x0B95
+#define GL_STENCIL_PASS_DEPTH_PASS 0x0B96
+#define GL_STENCIL_REF 0x0B97
+#define GL_STENCIL_TEST 0x0B90
+#define GL_STENCIL_VALUE_MASK 0x0B93
+#define GL_STENCIL_WRITEMASK 0x0B98
+#define GL_STEREO 0x0C33
+#define GL_SUBPIXEL_BITS 0x0D50
+#define GL_TEXTURE 0x1702
+#define GL_TEXTURE_1D 0x0DE0
+#define GL_TEXTURE_2D 0x0DE1
+#define GL_TEXTURE_ALPHA_SIZE 0x805F
+#define GL_TEXTURE_BINDING_1D 0x8068
+#define GL_TEXTURE_BINDING_2D 0x8069
+#define GL_TEXTURE_BLUE_SIZE 0x805E
+#define GL_TEXTURE_BORDER_COLOR 0x1004
+#define GL_TEXTURE_GREEN_SIZE 0x805D
+#define GL_TEXTURE_HEIGHT 0x1001
+#define GL_TEXTURE_INTERNAL_FORMAT 0x1003
+#define GL_TEXTURE_MAG_FILTER 0x2800
+#define GL_TEXTURE_MIN_FILTER 0x2801
+#define GL_TEXTURE_RED_SIZE 0x805C
+#define GL_TEXTURE_WIDTH 0x1000
+#define GL_TEXTURE_WRAP_S 0x2802
+#define GL_TEXTURE_WRAP_T 0x2803
+#define GL_TRIANGLES 0x0004
+#define GL_TRIANGLE_FAN 0x0006
+#define GL_TRIANGLE_STRIP 0x0005
+#define GL_TRUE 1
+#define GL_UNPACK_ALIGNMENT 0x0CF5
+#define GL_UNPACK_LSB_FIRST 0x0CF1
+#define GL_UNPACK_ROW_LENGTH 0x0CF2
+#define GL_UNPACK_SKIP_PIXELS 0x0CF4
+#define GL_UNPACK_SKIP_ROWS 0x0CF3
+#define GL_UNPACK_SWAP_BYTES 0x0CF0
+#define GL_UNSIGNED_BYTE 0x1401
+#define GL_UNSIGNED_INT 0x1405
+#define GL_UNSIGNED_SHORT 0x1403
+#define GL_VENDOR 0x1F00
+#define GL_VERSION 0x1F02
+#define GL_VIEWPORT 0x0BA2
+#define GL_XOR 0x1506
+#define GL_ZERO 0
+
+// 1.2
+#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E
+#define GL_BGR 0x80E0
+#define GL_BGRA 0x80E1
+#define GL_CLAMP_TO_EDGE 0x812F
+#define GL_MAX_3D_TEXTURE_SIZE 0x8073
+#define GL_MAX_ELEMENTS_INDICES 0x80E9
+#define GL_MAX_ELEMENTS_VERTICES 0x80E8
+#define GL_PACK_IMAGE_HEIGHT 0x806C
+#define GL_PACK_SKIP_IMAGES 0x806B
+#define GL_PROXY_TEXTURE_3D 0x8070
+#define GL_SMOOTH_LINE_WIDTH_GRANULARITY 0x0B23
+#define GL_SMOOTH_LINE_WIDTH_RANGE 0x0B22
+#define GL_SMOOTH_POINT_SIZE_GRANULARITY 0x0B13
+#define GL_SMOOTH_POINT_SIZE_RANGE 0x0B12
+#define GL_TEXTURE_3D 0x806F
+#define GL_TEXTURE_BASE_LEVEL 0x813C
+#define GL_TEXTURE_BINDING_3D 0x806A
+#define GL_TEXTURE_DEPTH 0x8071
+#define GL_TEXTURE_MAX_LEVEL 0x813D
+#define GL_TEXTURE_MAX_LOD 0x813B
+#define GL_TEXTURE_MIN_LOD 0x813A
+#define GL_TEXTURE_WRAP_R 0x8072
+#define GL_UNPACK_IMAGE_HEIGHT 0x806E
+#define GL_UNPACK_SKIP_IMAGES 0x806D
+#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362
+#define GL_UNSIGNED_BYTE_3_3_2 0x8032
+#define GL_UNSIGNED_INT_10_10_10_2 0x8036
+#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
+#define GL_UNSIGNED_INT_8_8_8_8 0x8035
+#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
+#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
+#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
+#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
+#define GL_UNSIGNED_SHORT_5_6_5 0x8363
+#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
+
+// 1.2 Extensions
+#define GL_ALL_COMPLETED_NV 0x84F2
+#define GL_FENCE_STATUS_NV 0x84F3
+#define GL_FENCE_CONDITION_NV 0x84F4
+
+// 1.3
+#define GL_ACTIVE_TEXTURE 0x84E0
+#define GL_CLAMP_TO_BORDER 0x812D
+#define GL_COMPRESSED_RGB 0x84ED
+#define GL_COMPRESSED_RGBA 0x84EE
+#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3
+#define GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C
+#define GL_MULTISAMPLE 0x809D
+#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
+#define GL_PROXY_TEXTURE_CUBE_MAP 0x851B
+#define GL_SAMPLES 0x80A9
+#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E
+#define GL_SAMPLE_ALPHA_TO_ONE 0x809F
+#define GL_SAMPLE_BUFFERS 0x80A8
+#define GL_SAMPLE_COVERAGE 0x80A0
+#define GL_SAMPLE_COVERAGE_INVERT 0x80AB
+#define GL_SAMPLE_COVERAGE_VALUE 0x80AA
+#define GL_TEXTURE0 0x84C0
+#define GL_TEXTURE1 0x84C1
+#define GL_TEXTURE10 0x84CA
+#define GL_TEXTURE11 0x84CB
+#define GL_TEXTURE12 0x84CC
+#define GL_TEXTURE13 0x84CD
+#define GL_TEXTURE14 0x84CE
+#define GL_TEXTURE15 0x84CF
+#define GL_TEXTURE16 0x84D0
+#define GL_TEXTURE17 0x84D1
+#define GL_TEXTURE18 0x84D2
+#define GL_TEXTURE19 0x84D3
+#define GL_TEXTURE2 0x84C2
+#define GL_TEXTURE20 0x84D4
+#define GL_TEXTURE21 0x84D5
+#define GL_TEXTURE22 0x84D6
+#define GL_TEXTURE23 0x84D7
+#define GL_TEXTURE24 0x84D8
+#define GL_TEXTURE25 0x84D9
+#define GL_TEXTURE26 0x84DA
+#define GL_TEXTURE27 0x84DB
+#define GL_TEXTURE28 0x84DC
+#define GL_TEXTURE29 0x84DD
+#define GL_TEXTURE3 0x84C3
+#define GL_TEXTURE30 0x84DE
+#define GL_TEXTURE31 0x84DF
+#define GL_TEXTURE4 0x84C4
+#define GL_TEXTURE5 0x84C5
+#define GL_TEXTURE6 0x84C6
+#define GL_TEXTURE7 0x84C7
+#define GL_TEXTURE8 0x84C8
+#define GL_TEXTURE9 0x84C9
+#define GL_TEXTURE_BINDING_CUBE_MAP 0x8514
+#define GL_TEXTURE_COMPRESSED 0x86A1
+#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE 0x86A0
+#define GL_TEXTURE_COMPRESSION_HINT 0x84EF
+#define GL_TEXTURE_CUBE_MAP 0x8513
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519
+
+// 1.5
+#define GL_BLEND_COLOR 0x8005
+#define GL_BLEND_DST_ALPHA 0x80CA
+#define GL_BLEND_DST_RGB 0x80C8
+#define GL_BLEND_EQUATION 0x8009
+#define GL_BLEND_SRC_ALPHA 0x80CB
+#define GL_BLEND_SRC_RGB 0x80C9
+#define GL_CONSTANT_ALPHA 0x8003
+#define GL_CONSTANT_COLOR 0x8001
+#define GL_DECR_WRAP 0x8508
+#define GL_DEPTH_COMPONENT16 0x81A5
+#define GL_DEPTH_COMPONENT24 0x81A6
+#define GL_DEPTH_COMPONENT32 0x81A7
+#define GL_FUNC_ADD 0x8006
+#define GL_FUNC_REVERSE_SUBTRACT 0x800B
+#define GL_FUNC_SUBTRACT 0x800A
+#define GL_INCR_WRAP 0x8507
+#define GL_MAX 0x8008
+#define GL_MAX_TEXTURE_LOD_BIAS 0x84FD
+#define GL_MIN 0x8007
+#define GL_MIRRORED_REPEAT 0x8370
+#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
+#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
+#define GL_POINT_FADE_THRESHOLD_SIZE 0x8128
+#define GL_TEXTURE_COMPARE_FUNC 0x884D
+#define GL_TEXTURE_COMPARE_MODE 0x884C
+#define GL_TEXTURE_DEPTH_SIZE 0x884A
+#define GL_TEXTURE_LOD_BIAS 0x8501
+
+// 1.5
+#define GL_ARRAY_BUFFER 0x8892
+#define GL_ARRAY_BUFFER_BINDING 0x8894
+#define GL_BUFFER_ACCESS 0x88BB
+#define GL_BUFFER_MAPPED 0x88BC
+#define GL_BUFFER_MAP_POINTER 0x88BD
+#define GL_BUFFER_SIZE 0x8764
+#define GL_BUFFER_USAGE 0x8765
+#define GL_CURRENT_QUERY 0x8865
+#define GL_DYNAMIC_COPY 0x88EA
+#define GL_DYNAMIC_DRAW 0x88E8
+#define GL_DYNAMIC_READ 0x88E9
+#define GL_ELEMENT_ARRAY_BUFFER 0x8893
+#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895
+#define GL_QUERY_COUNTER_BITS 0x8864
+#define GL_QUERY_RESULT 0x8866
+#define GL_QUERY_RESULT_AVAILABLE 0x8867
+#define GL_READ_ONLY 0x88B8
+#define GL_READ_WRITE 0x88BA
+#define GL_SAMPLES_PASSED 0x8914
+#define GL_SRC1_ALPHA 0x8589
+#define GL_STATIC_COPY 0x88E6
+#define GL_STATIC_DRAW 0x88E4
+#define GL_STATIC_READ 0x88E5
+#define GL_STREAM_COPY 0x88E2
+#define GL_STREAM_DRAW 0x88E0
+#define GL_STREAM_READ 0x88E1
+#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
+#define GL_WRITE_ONLY 0x88B9
+
+// 2.0
+#define GL_ACTIVE_ATTRIBUTES 0x8B89
+#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
+#define GL_ACTIVE_UNIFORMS 0x8B86
+#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
+#define GL_ATTACHED_SHADERS 0x8B85
+#define GL_BLEND_EQUATION_ALPHA 0x883D
+#define GL_BLEND_EQUATION_RGB 0x8009
+#define GL_BOOL 0x8B56
+#define GL_BOOL_VEC2 0x8B57
+#define GL_BOOL_VEC3 0x8B58
+#define GL_BOOL_VEC4 0x8B59
+#define GL_COMPILE_STATUS 0x8B81
+#define GL_CURRENT_PROGRAM 0x8B8D
+#define GL_CURRENT_VERTEX_ATTRIB 0x8626
+#define GL_DELETE_STATUS 0x8B80
+#define GL_DRAW_BUFFER0 0x8825
+#define GL_DRAW_BUFFER1 0x8826
+#define GL_DRAW_BUFFER10 0x882F
+#define GL_DRAW_BUFFER11 0x8830
+#define GL_DRAW_BUFFER12 0x8831
+#define GL_DRAW_BUFFER13 0x8832
+#define GL_DRAW_BUFFER14 0x8833
+#define GL_DRAW_BUFFER15 0x8834
+#define GL_DRAW_BUFFER2 0x8827
+#define GL_DRAW_BUFFER3 0x8828
+#define GL_DRAW_BUFFER4 0x8829
+#define GL_DRAW_BUFFER5 0x882A
+#define GL_DRAW_BUFFER6 0x882B
+#define GL_DRAW_BUFFER7 0x882C
+#define GL_DRAW_BUFFER8 0x882D
+#define GL_DRAW_BUFFER9 0x882E
+#define GL_FLOAT_MAT2 0x8B5A
+#define GL_FLOAT_MAT3 0x8B5B
+#define GL_FLOAT_MAT4 0x8B5C
+#define GL_FLOAT_VEC2 0x8B50
+#define GL_FLOAT_VEC3 0x8B51
+#define GL_FLOAT_VEC4 0x8B52
+#define GL_FRAGMENT_SHADER 0x8B30
+#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B
+#define GL_INFO_LOG_LENGTH 0x8B84
+#define GL_INT_VEC2 0x8B53
+#define GL_INT_VEC3 0x8B54
+#define GL_INT_VEC4 0x8B55
+#define GL_LINK_STATUS 0x8B82
+#define GL_LOWER_LEFT 0x8CA1
+#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
+#define GL_MAX_DRAW_BUFFERS 0x8824
+#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49
+#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
+#define GL_MAX_VARYING_FLOATS 0x8B4B
+#define GL_MAX_VERTEX_ATTRIBS 0x8869
+#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
+#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A
+#define GL_POINT_SPRITE 0x8861
+#define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0
+#define GL_SAMPLER_1D 0x8B5D
+#define GL_SAMPLER_1D_SHADOW 0x8B61
+#define GL_SAMPLER_2D 0x8B5E
+#define GL_SAMPLER_2D_SHADOW 0x8B62
+#define GL_SAMPLER_3D 0x8B5F
+#define GL_SAMPLER_CUBE 0x8B60
+#define GL_SHADER_SOURCE_LENGTH 0x8B88
+#define GL_SHADER_TYPE 0x8B4F
+#define GL_SHADING_LANGUAGE_VERSION 0x8B8C
+#define GL_STENCIL_BACK_FAIL 0x8801
+#define GL_STENCIL_BACK_FUNC 0x8800
+#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
+#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
+#define GL_STENCIL_BACK_REF 0x8CA3
+#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4
+#define GL_STENCIL_BACK_WRITEMASK 0x8CA5
+#define GL_UPPER_LEFT 0x8CA2
+#define GL_VALIDATE_STATUS 0x8B83
+#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622
+#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
+#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645
+#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623
+#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624
+#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625
+#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642
+#define GL_VERTEX_SHADER 0x8B31
+
+// 2.1
+#define GL_COMPRESSED_SRGB 0x8C48
+#define GL_COMPRESSED_SRGB_ALPHA 0x8C49
+#define GL_FLOAT_MAT2x3 0x8B65
+#define GL_FLOAT_MAT2x4 0x8B66
+#define GL_FLOAT_MAT3x2 0x8B67
+#define GL_FLOAT_MAT3x4 0x8B68
+#define GL_FLOAT_MAT4x2 0x8B69
+#define GL_FLOAT_MAT4x3 0x8B6A
+#define GL_PIXEL_PACK_BUFFER 0x88EB
+#define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED
+#define GL_PIXEL_UNPACK_BUFFER 0x88EC
+#define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF
+#define GL_SRGB 0x8C40
+#define GL_SRGB8 0x8C41
+#define GL_SRGB8_ALPHA8 0x8C43
+#define GL_SRGB_ALPHA 0x8C42
+
+// 3.0
+#define GL_BGRA_INTEGER 0x8D9B
+#define GL_BGR_INTEGER 0x8D9A
+#define GL_BLUE_INTEGER 0x8D96
+#define GL_BUFFER_ACCESS_FLAGS 0x911F
+#define GL_BUFFER_MAP_LENGTH 0x9120
+#define GL_BUFFER_MAP_OFFSET 0x9121
+#define GL_CLAMP_READ_COLOR 0x891C
+#define GL_CLIP_DISTANCE0 0x3000
+#define GL_CLIP_DISTANCE1 0x3001
+#define GL_CLIP_DISTANCE2 0x3002
+#define GL_CLIP_DISTANCE3 0x3003
+#define GL_CLIP_DISTANCE4 0x3004
+#define GL_CLIP_DISTANCE5 0x3005
+#define GL_CLIP_DISTANCE6 0x3006
+#define GL_CLIP_DISTANCE7 0x3007
+#define GL_COLOR_ATTACHMENT0 0x8CE0
+#define GL_COLOR_ATTACHMENT1 0x8CE1
+#define GL_COLOR_ATTACHMENT10 0x8CEA
+#define GL_COLOR_ATTACHMENT11 0x8CEB
+#define GL_COLOR_ATTACHMENT12 0x8CEC
+#define GL_COLOR_ATTACHMENT13 0x8CED
+#define GL_COLOR_ATTACHMENT14 0x8CEE
+#define GL_COLOR_ATTACHMENT15 0x8CEF
+#define GL_COLOR_ATTACHMENT2 0x8CE2
+#define GL_COLOR_ATTACHMENT3 0x8CE3
+#define GL_COLOR_ATTACHMENT4 0x8CE4
+#define GL_COLOR_ATTACHMENT5 0x8CE5
+#define GL_COLOR_ATTACHMENT6 0x8CE6
+#define GL_COLOR_ATTACHMENT7 0x8CE7
+#define GL_COLOR_ATTACHMENT8 0x8CE8
+#define GL_COLOR_ATTACHMENT9 0x8CE9
+#define GL_COMPARE_REF_TO_TEXTURE 0x884E
+#define GL_COMPRESSED_RED 0x8225
+#define GL_COMPRESSED_RED_RGTC1 0x8DBB
+#define GL_COMPRESSED_RG 0x8226
+#define GL_COMPRESSED_RG_RGTC2 0x8DBD
+#define GL_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC
+#define GL_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE
+#define GL_CONTEXT_FLAGS 0x821E
+#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x00000001
+#define GL_DEPTH24_STENCIL8 0x88F0
+#define GL_DEPTH32F_STENCIL8 0x8CAD
+#define GL_DEPTH_ATTACHMENT 0x8D00
+#define GL_DEPTH_COMPONENT32F 0x8CAC
+#define GL_DEPTH_STENCIL 0x84F9
+#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
+#define GL_DRAW_FRAMEBUFFER 0x8CA9
+#define GL_DRAW_FRAMEBUFFER_BINDING 0x8CA6
+#define GL_FIXED_ONLY 0x891D
+#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD
+#define GL_FRAMEBUFFER 0x8D40
+#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215
+#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214
+#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210
+#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211
+#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216
+#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
+#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212
+#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2
+#define GL_FRAMEBUFFER_BINDING 0x8CA6
+#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
+#define GL_FRAMEBUFFER_DEFAULT 0x8218
+#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6
+#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB
+#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56
+#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC
+#define GL_FRAMEBUFFER_SRGB 0x8DB9
+#define GL_FRAMEBUFFER_UNDEFINED 0x8219
+#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD
+#define GL_GREEN_INTEGER 0x8D95
+#define GL_HALF_FLOAT 0x140B
+#define GL_INTERLEAVED_ATTRIBS 0x8C8C
+#define GL_INT_SAMPLER_1D 0x8DC9
+#define GL_INT_SAMPLER_1D_ARRAY 0x8DCE
+#define GL_INT_SAMPLER_2D 0x8DCA
+#define GL_INT_SAMPLER_2D_ARRAY 0x8DCF
+#define GL_INT_SAMPLER_3D 0x8DCB
+#define GL_INT_SAMPLER_CUBE 0x8DCC
+#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
+#define GL_MAJOR_VERSION 0x821B
+#define GL_MAP_FLUSH_EXPLICIT_BIT 0x0010
+#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008
+#define GL_MAP_INVALIDATE_RANGE_BIT 0x0004
+#define GL_MAP_READ_BIT 0x0001
+#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020
+#define GL_MAP_WRITE_BIT 0x0002
+#define GL_MAX_ARRAY_TEXTURE_LAYERS 0x88FF
+#define GL_MAX_CLIP_DISTANCES 0x0D32
+#define GL_MAX_COLOR_ATTACHMENTS 0x8CDF
+#define GL_MAX_PROGRAM_TEXEL_OFFSET 0x8905
+#define GL_MAX_RENDERBUFFER_SIZE 0x84E8
+#define GL_MAX_SAMPLES 0x8D57
+#define GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A
+#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 0x8C8B
+#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80
+#define GL_MAX_VARYING_COMPONENTS 0x8B4B
+#define GL_MINOR_VERSION 0x821C
+#define GL_MIN_PROGRAM_TEXEL_OFFSET 0x8904
+#define GL_NUM_EXTENSIONS 0x821D
+#define GL_PRIMITIVES_GENERATED 0x8C87
+#define GL_PROXY_TEXTURE_1D_ARRAY 0x8C19
+#define GL_PROXY_TEXTURE_2D_ARRAY 0x8C1B
+#define GL_QUERY_BY_REGION_NO_WAIT 0x8E16
+#define GL_QUERY_BY_REGION_WAIT 0x8E15
+#define GL_QUERY_NO_WAIT 0x8E14
+#define GL_QUERY_WAIT 0x8E13
+#define GL_R11F_G11F_B10F 0x8C3A
+#define GL_R16 0x822A
+#define GL_R16F 0x822D
+#define GL_R16I 0x8233
+#define GL_R16UI 0x8234
+#define GL_R32F 0x822E
+#define GL_R32I 0x8235
+#define GL_R32UI 0x8236
+#define GL_R8 0x8229
+#define GL_R8I 0x8231
+#define GL_R8UI 0x8232
+#define GL_RASTERIZER_DISCARD 0x8C89
+#define GL_READ_FRAMEBUFFER 0x8CA8
+#define GL_READ_FRAMEBUFFER_BINDING 0x8CAA
+#define GL_RED_INTEGER 0x8D94
+#define GL_RENDERBUFFER 0x8D41
+#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53
+#define GL_RENDERBUFFER_BINDING 0x8CA7
+#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52
+#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54
+#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51
+#define GL_RENDERBUFFER_HEIGHT 0x8D43
+#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44
+#define GL_RENDERBUFFER_RED_SIZE 0x8D50
+#define GL_RENDERBUFFER_SAMPLES 0x8CAB
+#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55
+#define GL_RENDERBUFFER_WIDTH 0x8D42
+#define GL_RG 0x8227
+#define GL_RG16 0x822C
+#define GL_RG16F 0x822F
+#define GL_RG16I 0x8239
+#define GL_RG16UI 0x823A
+#define GL_RG32F 0x8230
+#define GL_RG32I 0x823B
+#define GL_RG32UI 0x823C
+#define GL_RG8 0x822B
+#define GL_RG8I 0x8237
+#define GL_RG8UI 0x8238
+#define GL_RGB16F 0x881B
+#define GL_RGB16I 0x8D89
+#define GL_RGB16UI 0x8D77
+#define GL_RGB32F 0x8815
+#define GL_RGB32I 0x8D83
+#define GL_RGB32UI 0x8D71
+#define GL_RGB8I 0x8D8F
+#define GL_RGB8UI 0x8D7D
+#define GL_RGB9_E5 0x8C3D
+#define GL_RGBA16F 0x881A
+#define GL_RGBA16I 0x8D88
+#define GL_RGBA16UI 0x8D76
+#define GL_RGBA32F 0x8814
+#define GL_RGBA32I 0x8D82
+#define GL_RGBA32UI 0x8D70
+#define GL_RGBA8I 0x8D8E
+#define GL_RGBA8UI 0x8D7C
+#define GL_RGBA_INTEGER 0x8D99
+#define GL_RGB_INTEGER 0x8D98
+#define GL_RG_INTEGER 0x8228
+#define GL_SAMPLER_1D_ARRAY 0x8DC0
+#define GL_SAMPLER_1D_ARRAY_SHADOW 0x8DC3
+#define GL_SAMPLER_2D_ARRAY 0x8DC1
+#define GL_SAMPLER_2D_ARRAY_SHADOW 0x8DC4
+#define GL_SAMPLER_CUBE_SHADOW 0x8DC5
+#define GL_SEPARATE_ATTRIBS 0x8C8D
+#define GL_STENCIL_ATTACHMENT 0x8D20
+#define GL_STENCIL_INDEX1 0x8D46
+#define GL_STENCIL_INDEX16 0x8D49
+#define GL_STENCIL_INDEX4 0x8D47
+#define GL_STENCIL_INDEX8 0x8D48
+#define GL_TEXTURE_1D_ARRAY 0x8C18
+#define GL_TEXTURE_2D_ARRAY 0x8C1A
+#define GL_TEXTURE_ALPHA_TYPE 0x8C13
+#define GL_TEXTURE_BINDING_1D_ARRAY 0x8C1C
+#define GL_TEXTURE_BINDING_2D_ARRAY 0x8C1D
+#define GL_TEXTURE_BLUE_TYPE 0x8C12
+#define GL_TEXTURE_DEPTH_TYPE 0x8C16
+#define GL_TEXTURE_GREEN_TYPE 0x8C11
+#define GL_TEXTURE_RED_TYPE 0x8C10
+#define GL_TEXTURE_SHARED_SIZE 0x8C3F
+#define GL_TEXTURE_STENCIL_SIZE 0x88F1
+#define GL_TRANSFORM_FEEDBACK_BUFFER 0x8C8E
+#define GL_TRANSFORM_FEEDBACK_BUFFER_BINDING 0x8C8F
+#define GL_TRANSFORM_FEEDBACK_BUFFER_MODE 0x8C7F
+#define GL_TRANSFORM_FEEDBACK_BUFFER_SIZE 0x8C85
+#define GL_TRANSFORM_FEEDBACK_BUFFER_START 0x8C84
+#define GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88
+#define GL_TRANSFORM_FEEDBACK_VARYINGS 0x8C83
+#define GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH 0x8C76
+#define GL_UNSIGNED_INT_10F_11F_11F_REV 0x8C3B
+#define GL_UNSIGNED_INT_24_8 0x84FA
+#define GL_UNSIGNED_INT_5_9_9_9_REV 0x8C3E
+#define GL_UNSIGNED_INT_SAMPLER_1D 0x8DD1
+#define GL_UNSIGNED_INT_SAMPLER_1D_ARRAY 0x8DD6
+#define GL_UNSIGNED_INT_SAMPLER_2D 0x8DD2
+#define GL_UNSIGNED_INT_SAMPLER_2D_ARRAY 0x8DD7
+#define GL_UNSIGNED_INT_SAMPLER_3D 0x8DD3
+#define GL_UNSIGNED_INT_SAMPLER_CUBE 0x8DD4
+#define GL_UNSIGNED_INT_VEC2 0x8DC6
+#define GL_UNSIGNED_INT_VEC3 0x8DC7
+#define GL_UNSIGNED_INT_VEC4 0x8DC8
+#define GL_UNSIGNED_NORMALIZED 0x8C17
+#define GL_VERTEX_ARRAY_BINDING 0x85B5
+#define GL_VERTEX_ATTRIB_ARRAY_INTEGER 0x88FD
+
+// 3.1
+#define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36
+#define GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH 0x8A35
+#define GL_COPY_READ_BUFFER 0x8F36
+#define GL_COPY_WRITE_BUFFER 0x8F37
+#define GL_INT_SAMPLER_2D_RECT 0x8DCD
+#define GL_INT_SAMPLER_BUFFER 0x8DD0
+#define GL_INVALID_INDEX 0xFFFFFFFFu
+#define GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS 0x8A33
+#define GL_MAX_COMBINED_UNIFORM_BLOCKS 0x8A2E
+#define GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS 0x8A31
+#define GL_MAX_FRAGMENT_UNIFORM_BLOCKS 0x8A2D
+#define GL_MAX_RECTANGLE_TEXTURE_SIZE 0x84F8
+#define GL_MAX_TEXTURE_BUFFER_SIZE 0x8C2B
+#define GL_MAX_UNIFORM_BLOCK_SIZE 0x8A30
+#define GL_MAX_UNIFORM_BUFFER_BINDINGS 0x8A2F
+#define GL_MAX_VERTEX_UNIFORM_BLOCKS 0x8A2B
+#define GL_PRIMITIVE_RESTART 0x8F9D
+#define GL_PRIMITIVE_RESTART_INDEX 0x8F9E
+#define GL_PROXY_TEXTURE_RECTANGLE 0x84F7
+#define GL_R16_SNORM 0x8F98
+#define GL_R8_SNORM 0x8F94
+#define GL_RG16_SNORM 0x8F99
+#define GL_RG8_SNORM 0x8F95
+#define GL_RGB16_SNORM 0x8F9A
+#define GL_RGB8_SNORM 0x8F96
+#define GL_RGBA16_SNORM 0x8F9B
+#define GL_RGBA8_SNORM 0x8F97
+#define GL_SAMPLER_2D_RECT 0x8B63
+#define GL_SAMPLER_2D_RECT_SHADOW 0x8B64
+#define GL_SAMPLER_BUFFER 0x8DC2
+#define GL_SIGNED_NORMALIZED 0x8F9C
+#define GL_TEXTURE_BINDING_BUFFER 0x8C2C
+#define GL_TEXTURE_BINDING_RECTANGLE 0x84F6
+#define GL_TEXTURE_BUFFER 0x8C2A
+#define GL_TEXTURE_BUFFER_DATA_STORE_BINDING 0x8C2D
+#define GL_TEXTURE_RECTANGLE 0x84F5
+#define GL_UNIFORM_ARRAY_STRIDE 0x8A3C
+#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42
+#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES 0x8A43
+#define GL_UNIFORM_BLOCK_BINDING 0x8A3F
+#define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40
+#define GL_UNIFORM_BLOCK_INDEX 0x8A3A
+#define GL_UNIFORM_BLOCK_NAME_LENGTH 0x8A41
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER 0x8A46
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER 0x8A44
+#define GL_UNIFORM_BUFFER 0x8A11
+#define GL_UNIFORM_BUFFER_BINDING 0x8A28
+#define GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT 0x8A34
+#define GL_UNIFORM_BUFFER_SIZE 0x8A2A
+#define GL_UNIFORM_BUFFER_START 0x8A29
+#define GL_UNIFORM_IS_ROW_MAJOR 0x8A3E
+#define GL_UNIFORM_MATRIX_STRIDE 0x8A3D
+#define GL_UNIFORM_NAME_LENGTH 0x8A39
+#define GL_UNIFORM_OFFSET 0x8A3B
+#define GL_UNIFORM_SIZE 0x8A38
+#define GL_UNIFORM_TYPE 0x8A37
+#define GL_UNSIGNED_INT_SAMPLER_2D_RECT 0x8DD5
+#define GL_UNSIGNED_INT_SAMPLER_BUFFER 0x8DD8
+
+// 3.2
+#define GL_ALREADY_SIGNALED 0x911A
+#define GL_CONDITION_SATISFIED 0x911C
+#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002
+#define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001
+#define GL_CONTEXT_PROFILE_MASK 0x9126
+#define GL_DEPTH_CLAMP 0x864F
+#define GL_FIRST_VERTEX_CONVENTION 0x8E4D
+#define GL_FRAMEBUFFER_ATTACHMENT_LAYERED 0x8DA7
+#define GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS 0x8DA8
+#define GL_GEOMETRY_INPUT_TYPE 0x8917
+#define GL_GEOMETRY_OUTPUT_TYPE 0x8918
+#define GL_GEOMETRY_SHADER 0x8DD9
+#define GL_GEOMETRY_VERTICES_OUT 0x8916
+#define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109
+#define GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910C
+#define GL_LAST_VERTEX_CONVENTION 0x8E4E
+#define GL_LINES_ADJACENCY 0x000A
+#define GL_LINE_STRIP_ADJACENCY 0x000B
+#define GL_MAX_COLOR_TEXTURE_SAMPLES 0x910E
+#define GL_MAX_DEPTH_TEXTURE_SAMPLES 0x910F
+#define GL_MAX_FRAGMENT_INPUT_COMPONENTS 0x9125
+#define GL_MAX_GEOMETRY_INPUT_COMPONENTS 0x9123
+#define GL_MAX_GEOMETRY_OUTPUT_COMPONENTS 0x9124
+#define GL_MAX_GEOMETRY_OUTPUT_VERTICES 0x8DE0
+#define GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS 0x8C29
+#define GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 0x8DE1
+#define GL_MAX_GEOMETRY_UNIFORM_COMPONENTS 0x8DDF
+#define GL_MAX_INTEGER_SAMPLES 0x9110
+#define GL_MAX_SAMPLE_MASK_WORDS 0x8E59
+#define GL_MAX_SERVER_WAIT_TIMEOUT 0x9111
+#define GL_MAX_VERTEX_OUTPUT_COMPONENTS 0x9122
+#define GL_OBJECT_TYPE 0x9112
+#define GL_PROGRAM_POINT_SIZE 0x8642
+#define GL_PROVOKING_VERTEX 0x8E4F
+#define GL_PROXY_TEXTURE_2D_MULTISAMPLE 0x9101
+#define GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9103
+#define GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION 0x8E4C
+#define GL_SAMPLER_2D_MULTISAMPLE 0x9108
+#define GL_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910B
+#define GL_SAMPLE_MASK 0x8E51
+#define GL_SAMPLE_MASK_VALUE 0x8E52
+#define GL_SAMPLE_POSITION 0x8E50
+#define GL_SIGNALED 0x9119
+#define GL_SYNC_CONDITION 0x9113
+#define GL_SYNC_FENCE 0x9116
+#define GL_SYNC_FLAGS 0x9115
+#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001
+#define GL_SYNC_GPU_COMMANDS_COMPLETE 0x9117
+#define GL_SYNC_STATUS 0x9114
+#define GL_TEXTURE_2D_MULTISAMPLE 0x9100
+#define GL_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9102
+#define GL_TEXTURE_BINDING_2D_MULTISAMPLE 0x9104
+#define GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY 0x9105
+#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
+#define GL_TEXTURE_FIXED_SAMPLE_LOCATIONS 0x9107
+#define GL_TEXTURE_SAMPLES 0x9106
+#define GL_TIMEOUT_EXPIRED 0x911B
+#define GL_TIMEOUT_IGNORED 0xFFFFFFFFFFFFFFFFull
+#define GL_TRIANGLES_ADJACENCY 0x000C
+#define GL_TRIANGLE_STRIP_ADJACENCY 0x000D
+#define GL_UNSIGNALED 0x9118
+#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A
+#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910D
+#define GL_WAIT_FAILED 0x911D
+
+// 3.3
+#define GL_ANY_SAMPLES_PASSED 0x8C2F
+#define GL_INT_2_10_10_10_REV 0x8D9F
+#define GL_MAX_DUAL_SOURCE_DRAW_BUFFERS 0x88FC
+#define GL_ONE_MINUS_SRC1_ALPHA 0x88FB
+#define GL_ONE_MINUS_SRC1_COLOR 0x88FA
+#define GL_RGB10_A2UI 0x906F
+#define GL_SAMPLER_BINDING 0x8919
+#define GL_SRC1_COLOR 0x88F9
+#define GL_TEXTURE_SWIZZLE_A 0x8E45
+#define GL_TEXTURE_SWIZZLE_B 0x8E44
+#define GL_TEXTURE_SWIZZLE_G 0x8E43
+#define GL_TEXTURE_SWIZZLE_R 0x8E42
+#define GL_TEXTURE_SWIZZLE_RGBA 0x8E46
+#define GL_TIMESTAMP 0x8E28
+#define GL_TIME_ELAPSED 0x88BF
+#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR 0x88FE
+
+// 4.0
+#define GL_ACTIVE_SUBROUTINES 0x8DE5
+#define GL_ACTIVE_SUBROUTINE_MAX_LENGTH 0x8E48
+#define GL_ACTIVE_SUBROUTINE_UNIFORMS 0x8DE6
+#define GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS 0x8E47
+#define GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH 0x8E49
+#define GL_COMPATIBLE_SUBROUTINES 0x8E4B
+#define GL_DOUBLE_MAT2 0x8F46
+#define GL_DOUBLE_MAT2x3 0x8F49
+#define GL_DOUBLE_MAT2x4 0x8F4A
+#define GL_DOUBLE_MAT3 0x8F47
+#define GL_DOUBLE_MAT3x2 0x8F4B
+#define GL_DOUBLE_MAT3x4 0x8F4C
+#define GL_DOUBLE_MAT4 0x8F48
+#define GL_DOUBLE_MAT4x2 0x8F4D
+#define GL_DOUBLE_MAT4x3 0x8F4E
+#define GL_DOUBLE_VEC2 0x8FFC
+#define GL_DOUBLE_VEC3 0x8FFD
+#define GL_DOUBLE_VEC4 0x8FFE
+#define GL_DRAW_INDIRECT_BUFFER 0x8F3F
+#define GL_DRAW_INDIRECT_BUFFER_BINDING 0x8F43
+#define GL_FRACTIONAL_EVEN 0x8E7C
+#define GL_FRACTIONAL_ODD 0x8E7B
+#define GL_FRAGMENT_INTERPOLATION_OFFSET_BITS 0x8E5D
+#define GL_GEOMETRY_SHADER_INVOCATIONS 0x887F
+#define GL_INT_SAMPLER_CUBE_MAP_ARRAY 0x900E
+#define GL_ISOLINES 0x8E7A
+#define GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E1E
+#define GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E1F
+#define GL_MAX_FRAGMENT_INTERPOLATION_OFFSET 0x8E5C
+#define GL_MAX_GEOMETRY_SHADER_INVOCATIONS 0x8E5A
+#define GL_MAX_PATCH_VERTICES 0x8E7D
+#define GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5F
+#define GL_MAX_SUBROUTINES 0x8DE7
+#define GL_MAX_SUBROUTINE_UNIFORM_LOCATIONS 0x8DE8
+#define GL_MAX_TESS_CONTROL_INPUT_COMPONENTS 0x886C
+#define GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS 0x8E83
+#define GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS 0x8E81
+#define GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS 0x8E85
+#define GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS 0x8E89
+#define GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E7F
+#define GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS 0x886D
+#define GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS 0x8E86
+#define GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS 0x8E82
+#define GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS 0x8E8A
+#define GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E80
+#define GL_MAX_TESS_GEN_LEVEL 0x8E7E
+#define GL_MAX_TESS_PATCH_COMPONENTS 0x8E84
+#define GL_MAX_TRANSFORM_FEEDBACK_BUFFERS 0x8E70
+#define GL_MAX_VERTEX_STREAMS 0x8E71
+#define GL_MIN_FRAGMENT_INTERPOLATION_OFFSET 0x8E5B
+#define GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5E
+#define GL_MIN_SAMPLE_SHADING_VALUE 0x8C37
+#define GL_NUM_COMPATIBLE_SUBROUTINES 0x8E4A
+#define GL_PATCHES 0x000E
+#define GL_PATCH_DEFAULT_INNER_LEVEL 0x8E73
+#define GL_PATCH_DEFAULT_OUTER_LEVEL 0x8E74
+#define GL_PATCH_VERTICES 0x8E72
+#define GL_PROXY_TEXTURE_CUBE_MAP_ARRAY 0x900B
+#define GL_SAMPLER_CUBE_MAP_ARRAY 0x900C
+#define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW 0x900D
+#define GL_SAMPLE_SHADING 0x8C36
+#define GL_TESS_CONTROL_OUTPUT_VERTICES 0x8E75
+#define GL_TESS_CONTROL_SHADER 0x8E88
+#define GL_TESS_EVALUATION_SHADER 0x8E87
+#define GL_TESS_GEN_MODE 0x8E76
+#define GL_TESS_GEN_POINT_MODE 0x8E79
+#define GL_TESS_GEN_SPACING 0x8E77
+#define GL_TESS_GEN_VERTEX_ORDER 0x8E78
+#define GL_TEXTURE_BINDING_CUBE_MAP_ARRAY 0x900A
+#define GL_TEXTURE_CUBE_MAP_ARRAY 0x9009
+#define GL_TRANSFORM_FEEDBACK 0x8E22
+#define GL_TRANSFORM_FEEDBACK_BINDING 0x8E25
+#define GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE 0x8E24
+#define GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED 0x8E23
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER 0x84F0
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER 0x84F1
+#define GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY 0x900F
+
+// 4.1
+#define GL_ACTIVE_PROGRAM 0x8259
+#define GL_ALL_SHADER_BITS 0xFFFFFFFF
+#define GL_FIXED 0x140C
+#define GL_FRAGMENT_SHADER_BIT 0x00000002
+#define GL_GEOMETRY_SHADER_BIT 0x00000004
+#define GL_HIGH_FLOAT 0x8DF2
+#define GL_HIGH_INT 0x8DF5
+#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
+#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
+#define GL_LAYER_PROVOKING_VERTEX 0x825E
+#define GL_LOW_FLOAT 0x8DF0
+#define GL_LOW_INT 0x8DF3
+#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
+#define GL_MAX_VARYING_VECTORS 0x8DFC
+#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
+#define GL_MAX_VIEWPORTS 0x825B
+#define GL_MEDIUM_FLOAT 0x8DF1
+#define GL_MEDIUM_INT 0x8DF4
+#define GL_NUM_PROGRAM_BINARY_FORMATS 0x87FE
+#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
+#define GL_PROGRAM_BINARY_FORMATS 0x87FF
+#define GL_PROGRAM_BINARY_LENGTH 0x8741
+#define GL_PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257
+#define GL_PROGRAM_PIPELINE_BINDING 0x825A
+#define GL_PROGRAM_SEPARABLE 0x8258
+#define GL_RGB565 0x8D62
+#define GL_SHADER_BINARY_FORMATS 0x8DF8
+#define GL_SHADER_COMPILER 0x8DFA
+#define GL_TESS_CONTROL_SHADER_BIT 0x00000008
+#define GL_TESS_EVALUATION_SHADER_BIT 0x00000010
+#define GL_UNDEFINED_VERTEX 0x8260
+#define GL_VERTEX_SHADER_BIT 0x00000001
+#define GL_VIEWPORT_BOUNDS_RANGE 0x825D
+#define GL_VIEWPORT_INDEX_PROVOKING_VERTEX 0x825F
+#define GL_VIEWPORT_SUBPIXEL_BITS 0x825C
+
+// 4.2
+#define GL_ACTIVE_ATOMIC_COUNTER_BUFFERS 0x92D9
+#define GL_ALL_BARRIER_BITS 0xFFFFFFFF
+#define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000
+#define GL_ATOMIC_COUNTER_BUFFER 0x92C0
+#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS 0x92C5
+#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES 0x92C6
+#define GL_ATOMIC_COUNTER_BUFFER_BINDING 0x92C1
+#define GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE 0x92C4
+#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER 0x92CB
+#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER 0x92CA
+#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER 0x92C8
+#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER 0x92C9
+#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER 0x92C7
+#define GL_ATOMIC_COUNTER_BUFFER_SIZE 0x92C3
+#define GL_ATOMIC_COUNTER_BUFFER_START 0x92C2
+#define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200
+#define GL_COMMAND_BARRIER_BIT 0x00000040
+#define GL_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C
+#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E
+#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F
+#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D
+#define GL_COPY_READ_BUFFER_BINDING 0x8F36
+#define GL_COPY_WRITE_BUFFER_BINDING 0x8F37
+#define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002
+#define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400
+#define GL_IMAGE_1D 0x904C
+#define GL_IMAGE_1D_ARRAY 0x9052
+#define GL_IMAGE_2D 0x904D
+#define GL_IMAGE_2D_ARRAY 0x9053
+#define GL_IMAGE_2D_MULTISAMPLE 0x9055
+#define GL_IMAGE_2D_MULTISAMPLE_ARRAY 0x9056
+#define GL_IMAGE_2D_RECT 0x904F
+#define GL_IMAGE_3D 0x904E
+#define GL_IMAGE_BINDING_ACCESS 0x8F3E
+#define GL_IMAGE_BINDING_FORMAT 0x906E
+#define GL_IMAGE_BINDING_LAYER 0x8F3D
+#define GL_IMAGE_BINDING_LAYERED 0x8F3C
+#define GL_IMAGE_BINDING_LEVEL 0x8F3B
+#define GL_IMAGE_BINDING_NAME 0x8F3A
+#define GL_IMAGE_BUFFER 0x9051
+#define GL_IMAGE_CUBE 0x9050
+#define GL_IMAGE_CUBE_MAP_ARRAY 0x9054
+#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS 0x90C9
+#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE 0x90C8
+#define GL_IMAGE_FORMAT_COMPATIBILITY_TYPE 0x90C7
+#define GL_INT_IMAGE_1D 0x9057
+#define GL_INT_IMAGE_1D_ARRAY 0x905D
+#define GL_INT_IMAGE_2D 0x9058
+#define GL_INT_IMAGE_2D_ARRAY 0x905E
+#define GL_INT_IMAGE_2D_MULTISAMPLE 0x9060
+#define GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x9061
+#define GL_INT_IMAGE_2D_RECT 0x905A
+#define GL_INT_IMAGE_3D 0x9059
+#define GL_INT_IMAGE_BUFFER 0x905C
+#define GL_INT_IMAGE_CUBE 0x905B
+#define GL_INT_IMAGE_CUBE_MAP_ARRAY 0x905F
+#define GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS 0x92DC
+#define GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE 0x92D8
+#define GL_MAX_COMBINED_ATOMIC_COUNTERS 0x92D7
+#define GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS 0x92D1
+#define GL_MAX_COMBINED_IMAGE_UNIFORMS 0x90CF
+#define GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS 0x8F39
+#define GL_MAX_FRAGMENT_ATOMIC_COUNTERS 0x92D6
+#define GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS 0x92D0
+#define GL_MAX_FRAGMENT_IMAGE_UNIFORMS 0x90CE
+#define GL_MAX_GEOMETRY_ATOMIC_COUNTERS 0x92D5
+#define GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS 0x92CF
+#define GL_MAX_GEOMETRY_IMAGE_UNIFORMS 0x90CD
+#define GL_MAX_IMAGE_SAMPLES 0x906D
+#define GL_MAX_IMAGE_UNITS 0x8F38
+#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS 0x92D3
+#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS 0x92CD
+#define GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS 0x90CB
+#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS 0x92D4
+#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS 0x92CE
+#define GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS 0x90CC
+#define GL_MAX_VERTEX_ATOMIC_COUNTERS 0x92D2
+#define GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS 0x92CC
+#define GL_MAX_VERTEX_IMAGE_UNIFORMS 0x90CA
+#define GL_MIN_MAP_BUFFER_ALIGNMENT 0x90BC
+#define GL_NUM_SAMPLE_COUNTS 0x9380
+#define GL_PACK_COMPRESSED_BLOCK_DEPTH 0x912D
+#define GL_PACK_COMPRESSED_BLOCK_HEIGHT 0x912C
+#define GL_PACK_COMPRESSED_BLOCK_SIZE 0x912E
+#define GL_PACK_COMPRESSED_BLOCK_WIDTH 0x912B
+#define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080
+#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020
+#define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008
+#define GL_TEXTURE_IMMUTABLE_FORMAT 0x912F
+#define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100
+#define GL_TRANSFORM_FEEDBACK_ACTIVE 0x8E24
+#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800
+#define GL_TRANSFORM_FEEDBACK_PAUSED 0x8E23
+#define GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX 0x92DA
+#define GL_UNIFORM_BARRIER_BIT 0x00000004
+#define GL_UNPACK_COMPRESSED_BLOCK_DEPTH 0x9129
+#define GL_UNPACK_COMPRESSED_BLOCK_HEIGHT 0x9128
+#define GL_UNPACK_COMPRESSED_BLOCK_SIZE 0x912A
+#define GL_UNPACK_COMPRESSED_BLOCK_WIDTH 0x9127
+#define GL_UNSIGNED_INT_ATOMIC_COUNTER 0x92DB
+#define GL_UNSIGNED_INT_IMAGE_1D 0x9062
+#define GL_UNSIGNED_INT_IMAGE_1D_ARRAY 0x9068
+#define GL_UNSIGNED_INT_IMAGE_2D 0x9063
+#define GL_UNSIGNED_INT_IMAGE_2D_ARRAY 0x9069
+#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE 0x906B
+#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x906C
+#define GL_UNSIGNED_INT_IMAGE_2D_RECT 0x9065
+#define GL_UNSIGNED_INT_IMAGE_3D 0x9064
+#define GL_UNSIGNED_INT_IMAGE_BUFFER 0x9067
+#define GL_UNSIGNED_INT_IMAGE_CUBE 0x9066
+#define GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY 0x906A
+#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001
+
+// 4.3
+#define GL_ACTIVE_RESOURCES 0x92F5
+#define GL_ACTIVE_VARIABLES 0x9305
+#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE 0x8D6A
+#define GL_ARRAY_SIZE 0x92FB
+#define GL_ARRAY_STRIDE 0x92FE
+#define GL_ATOMIC_COUNTER_BUFFER_INDEX 0x9301
+#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER 0x90ED
+#define GL_AUTO_GENERATE_MIPMAP 0x8295
+#define GL_BLOCK_INDEX 0x92FD
+#define GL_BUFFER 0x82E0
+#define GL_BUFFER_BINDING 0x9302
+#define GL_BUFFER_DATA_SIZE 0x9303
+#define GL_BUFFER_VARIABLE 0x92E5
+#define GL_CAVEAT_SUPPORT 0x82B8
+#define GL_CLEAR_BUFFER 0x82B4
+#define GL_COLOR_COMPONENTS 0x8283
+#define GL_COLOR_ENCODING 0x8296
+#define GL_COLOR_RENDERABLE 0x8286
+#define GL_COMPRESSED_R11_EAC 0x9270
+#define GL_COMPRESSED_RG11_EAC 0x9272
+#define GL_COMPRESSED_RGB8_ETC2 0x9274
+#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
+#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
+#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271
+#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273
+#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
+#define GL_COMPRESSED_SRGB8_ETC2 0x9275
+#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
+#define GL_COMPUTE_SHADER 0x91B9
+#define GL_COMPUTE_SHADER_BIT 0x00000020
+#define GL_COMPUTE_SUBROUTINE 0x92ED
+#define GL_COMPUTE_SUBROUTINE_UNIFORM 0x92F3
+#define GL_COMPUTE_TEXTURE 0x82A0
+#define GL_COMPUTE_WORK_GROUP_SIZE 0x8267
+#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002
+#define GL_DEBUG_CALLBACK_FUNCTION 0x8244
+#define GL_DEBUG_CALLBACK_USER_PARAM 0x8245
+#define GL_DEBUG_GROUP_STACK_DEPTH 0x826D
+#define GL_DEBUG_LOGGED_MESSAGES 0x9145
+#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH 0x8243
+#define GL_DEBUG_OUTPUT 0x92E0
+#define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242
+#define GL_DEBUG_SEVERITY_HIGH 0x9146
+#define GL_DEBUG_SEVERITY_LOW 0x9148
+#define GL_DEBUG_SEVERITY_MEDIUM 0x9147
+#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B
+#define GL_DEBUG_SOURCE_API 0x8246
+#define GL_DEBUG_SOURCE_APPLICATION 0x824A
+#define GL_DEBUG_SOURCE_OTHER 0x824B
+#define GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248
+#define GL_DEBUG_SOURCE_THIRD_PARTY 0x8249
+#define GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247
+#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D
+#define GL_DEBUG_TYPE_ERROR 0x824C
+#define GL_DEBUG_TYPE_MARKER 0x8268
+#define GL_DEBUG_TYPE_OTHER 0x8251
+#define GL_DEBUG_TYPE_PERFORMANCE 0x8250
+#define GL_DEBUG_TYPE_POP_GROUP 0x826A
+#define GL_DEBUG_TYPE_PORTABILITY 0x824F
+#define GL_DEBUG_TYPE_PUSH_GROUP 0x8269
+#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E
+#define GL_DEPTH_COMPONENTS 0x8284
+#define GL_DEPTH_RENDERABLE 0x8287
+#define GL_DEPTH_STENCIL_TEXTURE_MODE 0x90EA
+#define GL_DISPATCH_INDIRECT_BUFFER 0x90EE
+#define GL_DISPATCH_INDIRECT_BUFFER_BINDING 0x90EF
+#define GL_FILTER 0x829A
+#define GL_FRAGMENT_SUBROUTINE 0x92EC
+#define GL_FRAGMENT_SUBROUTINE_UNIFORM 0x92F2
+#define GL_FRAGMENT_TEXTURE 0x829F
+#define GL_FRAMEBUFFER_BLEND 0x828B
+#define GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS 0x9314
+#define GL_FRAMEBUFFER_DEFAULT_HEIGHT 0x9311
+#define GL_FRAMEBUFFER_DEFAULT_LAYERS 0x9312
+#define GL_FRAMEBUFFER_DEFAULT_SAMPLES 0x9313
+#define GL_FRAMEBUFFER_DEFAULT_WIDTH 0x9310
+#define GL_FRAMEBUFFER_RENDERABLE 0x8289
+#define GL_FRAMEBUFFER_RENDERABLE_LAYERED 0x828A
+#define GL_FULL_SUPPORT 0x82B7
+#define GL_GEOMETRY_SUBROUTINE 0x92EB
+#define GL_GEOMETRY_SUBROUTINE_UNIFORM 0x92F1
+#define GL_GEOMETRY_TEXTURE 0x829E
+#define GL_GET_TEXTURE_IMAGE_FORMAT 0x8291
+#define GL_GET_TEXTURE_IMAGE_TYPE 0x8292
+#define GL_IMAGE_CLASS_10_10_10_2 0x82C3
+#define GL_IMAGE_CLASS_11_11_10 0x82C2
+#define GL_IMAGE_CLASS_1_X_16 0x82BE
+#define GL_IMAGE_CLASS_1_X_32 0x82BB
+#define GL_IMAGE_CLASS_1_X_8 0x82C1
+#define GL_IMAGE_CLASS_2_X_16 0x82BD
+#define GL_IMAGE_CLASS_2_X_32 0x82BA
+#define GL_IMAGE_CLASS_2_X_8 0x82C0
+#define GL_IMAGE_CLASS_4_X_16 0x82BC
+#define GL_IMAGE_CLASS_4_X_32 0x82B9
+#define GL_IMAGE_CLASS_4_X_8 0x82BF
+#define GL_IMAGE_COMPATIBILITY_CLASS 0x82A8
+#define GL_IMAGE_PIXEL_FORMAT 0x82A9
+#define GL_IMAGE_PIXEL_TYPE 0x82AA
+#define GL_IMAGE_TEXEL_SIZE 0x82A7
+#define GL_INTERNALFORMAT_ALPHA_SIZE 0x8274
+#define GL_INTERNALFORMAT_ALPHA_TYPE 0x827B
+#define GL_INTERNALFORMAT_BLUE_SIZE 0x8273
+#define GL_INTERNALFORMAT_BLUE_TYPE 0x827A
+#define GL_INTERNALFORMAT_DEPTH_SIZE 0x8275
+#define GL_INTERNALFORMAT_DEPTH_TYPE 0x827C
+#define GL_INTERNALFORMAT_GREEN_SIZE 0x8272
+#define GL_INTERNALFORMAT_GREEN_TYPE 0x8279
+#define GL_INTERNALFORMAT_PREFERRED 0x8270
+#define GL_INTERNALFORMAT_RED_SIZE 0x8271
+#define GL_INTERNALFORMAT_RED_TYPE 0x8278
+#define GL_INTERNALFORMAT_SHARED_SIZE 0x8277
+#define GL_INTERNALFORMAT_STENCIL_SIZE 0x8276
+#define GL_INTERNALFORMAT_STENCIL_TYPE 0x827D
+#define GL_INTERNALFORMAT_SUPPORTED 0x826F
+#define GL_IS_PER_PATCH 0x92E7
+#define GL_IS_ROW_MAJOR 0x9300
+#define GL_LOCATION 0x930E
+#define GL_LOCATION_INDEX 0x930F
+#define GL_MANUAL_GENERATE_MIPMAP 0x8294
+#define GL_MATRIX_STRIDE 0x92FF
+#define GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS 0x8266
+#define GL_MAX_COMBINED_DIMENSIONS 0x8282
+#define GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES 0x8F39
+#define GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS 0x90DC
+#define GL_MAX_COMPUTE_ATOMIC_COUNTERS 0x8265
+#define GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS 0x8264
+#define GL_MAX_COMPUTE_IMAGE_UNIFORMS 0x91BD
+#define GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS 0x90DB
+#define GL_MAX_COMPUTE_SHARED_MEMORY_SIZE 0x8262
+#define GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS 0x91BC
+#define GL_MAX_COMPUTE_UNIFORM_BLOCKS 0x91BB
+#define GL_MAX_COMPUTE_UNIFORM_COMPONENTS 0x8263
+#define GL_MAX_COMPUTE_WORK_GROUP_COUNT 0x91BE
+#define GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS 0x90EB
+#define GL_MAX_COMPUTE_WORK_GROUP_SIZE 0x91BF
+#define GL_MAX_DEBUG_GROUP_STACK_DEPTH 0x826C
+#define GL_MAX_DEBUG_LOGGED_MESSAGES 0x9144
+#define GL_MAX_DEBUG_MESSAGE_LENGTH 0x9143
+#define GL_MAX_DEPTH 0x8280
+#define GL_MAX_ELEMENT_INDEX 0x8D6B
+#define GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS 0x90DA
+#define GL_MAX_FRAMEBUFFER_HEIGHT 0x9316
+#define GL_MAX_FRAMEBUFFER_LAYERS 0x9317
+#define GL_MAX_FRAMEBUFFER_SAMPLES 0x9318
+#define GL_MAX_FRAMEBUFFER_WIDTH 0x9315
+#define GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS 0x90D7
+#define GL_MAX_HEIGHT 0x827F
+#define GL_MAX_LABEL_LENGTH 0x82E8
+#define GL_MAX_LAYERS 0x8281
+#define GL_MAX_NAME_LENGTH 0x92F6
+#define GL_MAX_NUM_ACTIVE_VARIABLES 0x92F7
+#define GL_MAX_NUM_COMPATIBLE_SUBROUTINES 0x92F8
+#define GL_MAX_SHADER_STORAGE_BLOCK_SIZE 0x90DE
+#define GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS 0x90DD
+#define GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS 0x90D8
+#define GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS 0x90D9
+#define GL_MAX_UNIFORM_LOCATIONS 0x826E
+#define GL_MAX_VERTEX_ATTRIB_BINDINGS 0x82DA
+#define GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D9
+#define GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS 0x90D6
+#define GL_MAX_WIDTH 0x827E
+#define GL_MIPMAP 0x8293
+#define GL_NAME_LENGTH 0x92F9
+#define GL_NUM_ACTIVE_VARIABLES 0x9304
+#define GL_NUM_SHADING_LANGUAGE_VERSIONS 0x82E9
+#define GL_OFFSET 0x92FC
+#define GL_PRIMITIVE_RESTART_FIXED_INDEX 0x8D69
+#define GL_PROGRAM 0x82E2
+#define GL_PROGRAM_INPUT 0x92E3
+#define GL_PROGRAM_OUTPUT 0x92E4
+#define GL_PROGRAM_PIPELINE 0x82E4
+#define GL_QUERY 0x82E3
+#define GL_READ_PIXELS 0x828C
+#define GL_READ_PIXELS_FORMAT 0x828D
+#define GL_READ_PIXELS_TYPE 0x828E
+#define GL_REFERENCED_BY_COMPUTE_SHADER 0x930B
+#define GL_REFERENCED_BY_FRAGMENT_SHADER 0x930A
+#define GL_REFERENCED_BY_GEOMETRY_SHADER 0x9309
+#define GL_REFERENCED_BY_TESS_CONTROL_SHADER 0x9307
+#define GL_REFERENCED_BY_TESS_EVALUATION_SHADER 0x9308
+#define GL_REFERENCED_BY_VERTEX_SHADER 0x9306
+#define GL_SAMPLER 0x82E6
+#define GL_SHADER 0x82E1
+#define GL_SHADER_IMAGE_ATOMIC 0x82A6
+#define GL_SHADER_IMAGE_LOAD 0x82A4
+#define GL_SHADER_IMAGE_STORE 0x82A5
+#define GL_SHADER_STORAGE_BARRIER_BIT 0x00002000
+#define GL_SHADER_STORAGE_BLOCK 0x92E6
+#define GL_SHADER_STORAGE_BUFFER 0x90D2
+#define GL_SHADER_STORAGE_BUFFER_BINDING 0x90D3
+#define GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT 0x90DF
+#define GL_SHADER_STORAGE_BUFFER_SIZE 0x90D5
+#define GL_SHADER_STORAGE_BUFFER_START 0x90D4
+#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST 0x82AC
+#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE 0x82AE
+#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST 0x82AD
+#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE 0x82AF
+#define GL_SRGB_READ 0x8297
+#define GL_SRGB_WRITE 0x8298
+#define GL_STENCIL_COMPONENTS 0x8285
+#define GL_STENCIL_RENDERABLE 0x8288
+#define GL_TESS_CONTROL_SUBROUTINE 0x92E9
+#define GL_TESS_CONTROL_SUBROUTINE_UNIFORM 0x92EF
+#define GL_TESS_CONTROL_TEXTURE 0x829C
+#define GL_TESS_EVALUATION_SUBROUTINE 0x92EA
+#define GL_TESS_EVALUATION_SUBROUTINE_UNIFORM 0x92F0
+#define GL_TESS_EVALUATION_TEXTURE 0x829D
+#define GL_TEXTURE_BUFFER_OFFSET 0x919D
+#define GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT 0x919F
+#define GL_TEXTURE_BUFFER_SIZE 0x919E
+#define GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT 0x82B2
+#define GL_TEXTURE_COMPRESSED_BLOCK_SIZE 0x82B3
+#define GL_TEXTURE_COMPRESSED_BLOCK_WIDTH 0x82B1
+#define GL_TEXTURE_GATHER 0x82A2
+#define GL_TEXTURE_GATHER_SHADOW 0x82A3
+#define GL_TEXTURE_IMAGE_FORMAT 0x828F
+#define GL_TEXTURE_IMAGE_TYPE 0x8290
+#define GL_TEXTURE_IMMUTABLE_LEVELS 0x82DF
+#define GL_TEXTURE_SHADOW 0x82A1
+#define GL_TEXTURE_VIEW 0x82B5
+#define GL_TEXTURE_VIEW_MIN_LAYER 0x82DD
+#define GL_TEXTURE_VIEW_MIN_LEVEL 0x82DB
+#define GL_TEXTURE_VIEW_NUM_LAYERS 0x82DE
+#define GL_TEXTURE_VIEW_NUM_LEVELS 0x82DC
+#define GL_TOP_LEVEL_ARRAY_SIZE 0x930C
+#define GL_TOP_LEVEL_ARRAY_STRIDE 0x930D
+#define GL_TRANSFORM_FEEDBACK_VARYING 0x92F4
+#define GL_TYPE 0x92FA
+#define GL_UNIFORM 0x92E1
+#define GL_UNIFORM_BLOCK 0x92E2
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER 0x90EC
+#define GL_VERTEX_ATTRIB_ARRAY_LONG 0x874E
+#define GL_VERTEX_ATTRIB_BINDING 0x82D4
+#define GL_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D5
+#define GL_VERTEX_BINDING_BUFFER 0x8F4F
+#define GL_VERTEX_BINDING_DIVISOR 0x82D6
+#define GL_VERTEX_BINDING_OFFSET 0x82D7
+#define GL_VERTEX_BINDING_STRIDE 0x82D8
+#define GL_VERTEX_SUBROUTINE 0x92E8
+#define GL_VERTEX_SUBROUTINE_UNIFORM 0x92EE
+#define GL_VERTEX_TEXTURE 0x829B
+#define GL_VIEW_CLASS_128_BITS 0x82C4
+#define GL_VIEW_CLASS_16_BITS 0x82CA
+#define GL_VIEW_CLASS_24_BITS 0x82C9
+#define GL_VIEW_CLASS_32_BITS 0x82C8
+#define GL_VIEW_CLASS_48_BITS 0x82C7
+#define GL_VIEW_CLASS_64_BITS 0x82C6
+#define GL_VIEW_CLASS_8_BITS 0x82CB
+#define GL_VIEW_CLASS_96_BITS 0x82C5
+#define GL_VIEW_CLASS_BPTC_FLOAT 0x82D3
+#define GL_VIEW_CLASS_BPTC_UNORM 0x82D2
+#define GL_VIEW_CLASS_RGTC1_RED 0x82D0
+#define GL_VIEW_CLASS_RGTC2_RG 0x82D1
+#define GL_VIEW_CLASS_S3TC_DXT1_RGB 0x82CC
+#define GL_VIEW_CLASS_S3TC_DXT1_RGBA 0x82CD
+#define GL_VIEW_CLASS_S3TC_DXT3_RGBA 0x82CE
+#define GL_VIEW_CLASS_S3TC_DXT5_RGBA 0x82CF
+#define GL_VIEW_COMPATIBILITY_CLASS 0x82B6
+
+// 4.4
+#define GL_BUFFER_IMMUTABLE_STORAGE 0x821F
+#define GL_BUFFER_STORAGE_FLAGS 0x8220
+#define GL_CLEAR_TEXTURE 0x9365
+#define GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT 0x00004000
+#define GL_CLIENT_STORAGE_BIT 0x0200
+#define GL_DYNAMIC_STORAGE_BIT 0x0100
+#define GL_LOCATION_COMPONENT 0x934A
+#define GL_MAP_COHERENT_BIT 0x0080
+#define GL_MAP_PERSISTENT_BIT 0x0040
+#define GL_MAX_VERTEX_ATTRIB_STRIDE 0x82E5
+#define GL_MIRROR_CLAMP_TO_EDGE 0x8743
+#define GL_PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED 0x8221
+#define GL_QUERY_BUFFER 0x9192
+#define GL_QUERY_BUFFER_BARRIER_BIT 0x00008000
+#define GL_QUERY_BUFFER_BINDING 0x9193
+#define GL_QUERY_RESULT_NO_WAIT 0x9194
+#define GL_TEXTURE_BUFFER_BINDING 0x8C2A
+#define GL_TRANSFORM_FEEDBACK_BUFFER_INDEX 0x934B
+#define GL_TRANSFORM_FEEDBACK_BUFFER_STRIDE 0x934C
+
+// 4.5
+#define GL_CLIP_DEPTH_MODE 0x935D
+#define GL_CLIP_ORIGIN 0x935C
+#define GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT 0x00000004
+#define GL_CONTEXT_LOST 0x0507
+#define GL_CONTEXT_RELEASE_BEHAVIOR 0x82FB
+#define GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH 0x82FC
+#define GL_GUILTY_CONTEXT_RESET 0x8253
+#define GL_INNOCENT_CONTEXT_RESET 0x8254
+#define GL_LOSE_CONTEXT_ON_RESET 0x8252
+#define GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES 0x82FA
+#define GL_MAX_CULL_DISTANCES 0x82F9
+#define GL_NEGATIVE_ONE_TO_ONE 0x935E
+#define GL_NO_RESET_NOTIFICATION 0x8261
+#define GL_QUERY_BY_REGION_NO_WAIT_INVERTED 0x8E1A
+#define GL_QUERY_BY_REGION_WAIT_INVERTED 0x8E19
+#define GL_QUERY_NO_WAIT_INVERTED 0x8E18
+#define GL_QUERY_TARGET 0x82EA
+#define GL_QUERY_WAIT_INVERTED 0x8E17
+#define GL_RESET_NOTIFICATION_STRATEGY 0x8256
+#define GL_TEXTURE_TARGET 0x1006
+#define GL_UNKNOWN_CONTEXT_RESET 0x8255
+#define GL_ZERO_TO_ONE 0x935F
+#define GL_COMPLETION_STATUS 0x91B1
+
+#endif  // LIBANGLE_RENDERER_GL_FUNCTIONSGLENUMS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/load_functions_table.h b/gfx/angle/checkout/src/libANGLE/renderer/load_functions_table.h
new file mode 100644
index 0000000000..27eaebc8e7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/load_functions_table.h
@@ -0,0 +1,20 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// load_functions_table:
+//   Contains load functions table depending on internal format and ANGLE format.
+//
+
+#ifndef LIBANGLE_RENDERER_LOADFUNCTIONSTABLE_H_
+#define LIBANGLE_RENDERER_LOADFUNCTIONSTABLE_H_
+
+#include "libANGLE/renderer/Format.h"
+
+namespace angle
+{
+rx::LoadFunctionMap GetLoadFunctionsMap(GLenum internalFormat, FormatID angleFormat);
+}  // namespace angle
+
+#endif  // LIBANGLE_RENDERER_LOADFUNCTIONSTABLE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/load_functions_table_autogen.cpp b/gfx/angle/checkout/src/libANGLE/renderer/load_functions_table_autogen.cpp
new file mode 100644
index 0000000000..11fe60fe0d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/load_functions_table_autogen.cpp
@@ -0,0 +1,5465 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_load_functions_table.py using data from load_functions_data.json
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// load_functions_table:
+//   Contains the GetLoadFunctionsMap for texture_format_util.h
+//
+
+#include "libANGLE/renderer/load_functions_table.h"
+
+#include "image_util/copyimage.h"
+#include "image_util/generatemip.h"
+#include "image_util/loadimage.h"
+
+using namespace rx;
+
+namespace angle
+{
+
+namespace
+{
+
+// ES3 image loading functions vary based on:
+//    - the GL internal format (supplied to glTex*Image*D)
+//    - the GL data type given (supplied to glTex*Image*D)
+//    - the target DXGI_FORMAT that the image will be loaded into (which is chosen based on the D3D
+//    device's capabilities)
+// This map type determines which loading function to use, based on these three parameters.
+// Source formats and types are taken from Tables 3.2 and 3.3 of the ES 3 spec.
+void UnimplementedLoadFunction(size_t width,
+                               size_t height,
+                               size_t depth,
+                               const uint8_t *input,
+                               size_t inputRowPitch,
+                               size_t inputDepthPitch,
+                               uint8_t *output,
+                               size_t outputRowPitch,
+                               size_t outputDepthPitch)
+{
+    UNIMPLEMENTED();
+}
+
+void UnreachableLoadFunction(size_t width,
+                             size_t height,
+                             size_t depth,
+                             const uint8_t *input,
+                             size_t inputRowPitch,
+                             size_t inputDepthPitch,
+                             uint8_t *output,
+                             size_t outputRowPitch,
+                             size_t outputDepthPitch)
+{
+    UNREACHABLE();
+}
+
+LoadImageFunctionInfo A1RGB5_ANGLEX_to_A1R5G5B5_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGB5A1ToRGBA8, true);
+        case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA_to_R16G16B16A16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadA16FToRGBA16F, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadA16FToRGBA16F, true);
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA_to_R32G32B32A32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadA32FToRGBA32F, true);
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA16F_EXT_to_R16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 1>, false);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA16F_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadA16FToRGBA16F, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadA16FToRGBA16F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA32F_EXT_to_R32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLfloat, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA32F_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadA32FToRGBA32F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA8_EXT_to_A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA8_EXT_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadA8ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ALPHA8_EXT_to_R8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGR10_A2_ANGLEX_to_B10G10R10A2_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGR565_ANGLEX_to_B5G6R5_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGB8ToBGR565, true);
+        case GL_UNSIGNED_SHORT_5_6_5:
+            return LoadImageFunctionInfo(LoadRGB565ToBGR565, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGR5_A1_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGB5A1ToRGBA8, true);
+        case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGRA4_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+            return LoadImageFunctionInfo(LoadRGBA4ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGRA8_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGRA8_SRGB_ANGLEX_to_B8G8R8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGRA_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGRX8_ANGLEX_to_B8G8R8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo BGRX8_ANGLEX_to_B8G8R8X8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_R11_EAC_to_EAC_R11_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_R11_EAC_to_R16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACR11ToR16F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_R11_EAC_to_R16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACR11ToR16, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RED_GREEN_RGTC2_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RED_RGTC1_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RG11_EAC_to_EAC_R11G11_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RG11_EAC_to_R16G16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACRG11ToRG16F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RG11_EAC_to_R16G16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACRG11ToRG16, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB8_ETC2_to_ETC2_R8G8B8_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB8_ETC2_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2RGB8ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGB_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2RGB8ToBC1, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_ETC2_R8G8B8A1_UNORM_BLOCK(
+    GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2RGB8A1ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo
+COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGBA_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2RGB8A1ToBC1, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA8_ETC2_EAC_to_ETC2_R8G8B8A8_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA8_ETC2_EAC_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2RGBA8ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x10_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 10>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x10_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 10, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x5_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x6_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 6>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x6_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 6, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x8_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_10x8_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 8, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_12x10_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<12, 10>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_12x10_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<12, 10, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_12x12_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<12, 12>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_12x12_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<12, 12, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_3x3x3_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<3, 3, 3, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_4x3x3_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 3, 3, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_4x4_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<4, 4>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_4x4_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_4x4x3_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 3, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_4x4x4_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 4, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_5x4_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<5, 4>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_5x4_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_5x4x4_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 4, 4, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_5x5_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<5, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_5x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_5x5x4_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 5, 4, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_5x5x5_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 5, 5, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_6x5_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<6, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_6x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_6x5x5_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 5, 5, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_6x6_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<6, 6>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_6x6_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 6, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_6x6x5_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 6, 5, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_6x6x6_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 6, 6, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_8x5_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<8, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_8x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<8, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_8x6_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<8, 6>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_8x6_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<8, 6, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_8x8_KHR_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<8, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_ASTC_8x8_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<8, 8, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_BPTC_UNORM_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_S3TC_DXT1_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_S3TC_DXT3_ANGLE_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGBA_S3TC_DXT5_ANGLE_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_RGB_S3TC_DXT1_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_R11_EAC_to_EAC_R11_SNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_R11_EAC_to_R16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACR11SToR16F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_R11_EAC_to_R16_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACR11SToR16, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_RED_RGTC1_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_RG11_EAC_to_EAC_R11G11_SNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_RG11_EAC_to_R16G16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACRG11SToRG16F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SIGNED_RG11_EAC_to_R16G16_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadEACRG11SToRG16, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 10>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 10, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 6>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 6, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<10, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<10, 8, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<12, 10>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<12, 10, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<12, 12>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<12, 12, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<3, 3, 3, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 3, 3, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<4, 4>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 3, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 4, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<5, 4>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 4, 4, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<5, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 5, 4, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<5, 5, 5, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<6, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 5, 5, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<6, 6>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 6, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 6, 5, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<6, 6, 6, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<8, 5>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<8, 5, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<8, 6>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<8, 6, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadASTCToRGBA8<8, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<8, 8, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ETC2_EAC_to_ETC2_R8G8B8A8_SRGB_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ALPHA8_ETC2_EAC_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2SRGBA8ToSRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ETC2_to_ETC2_R8G8B8_SRGB_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_ETC2_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2SRGB8ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGB_UNORM_SRGB_BLOCK(
+    GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2SRGB8ToBC1, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_ETC2_R8G8B8A1_SRGB_BLOCK(
+    GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2SRGB8A1ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo
+COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGBA_UNORM_SRGB_BLOCK(
+    GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC2SRGB8A1ToBC1, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 16>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo COMPRESSED_SRGB_S3TC_DXT1_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH24_STENCIL8_to_D24_UNORM_S8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT_24_8:
+            return LoadImageFunctionInfo(LoadR32ToR24G8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH24_STENCIL8_to_D32_FLOAT_S8X24_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT_24_8:
+            return LoadImageFunctionInfo(LoadD24S8ToD32FS8X24, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH32F_STENCIL8_to_D24_UNORM_S8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+            return LoadImageFunctionInfo(LoadD32FS8X24ToD24S8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH32F_STENCIL8_to_D32_FLOAT_S8X24_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+            return LoadImageFunctionInfo(LoadD32FS8X24ToD32FS8X24, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT16_to_D16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadR32ToR16, true);
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT16_to_D32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadUNorm32To32F, true);
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadUNorm16To32F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT24_to_D24_UNORM_S8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadR32ToR24G8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT24_to_D24_UNORM_X8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadR32ToR24G8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT24_to_D32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadD24S8ToD32F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT24_to_D32_FLOAT_S8X24_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadD32ToD32FX32, true);
+        case GL_UNSIGNED_INT_24_8:
+            return LoadImageFunctionInfo(LoadD24S8ToD32FS8X24, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT32F_to_D32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadD32FToD32F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT32_OES_to_D32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadD32ToD32F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo DEPTH_COMPONENT32_OES_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadR32ToR24G8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ETC1_RGB8_LOSSY_DECODE_ANGLE_to_BC1_RGB_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC1RGB8ToBC1, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ETC1_RGB8_OES_to_ETC1_R8G8B8_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ETC1_RGB8_OES_to_ETC2_R8G8B8_UNORM_BLOCK(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadCompressedToNative<4, 4, 1, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo ETC1_RGB8_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadETC1RGB8ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo G8_B8R8_2PLANE_420_UNORM_ANGLE_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadYuvToNative, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo G8_B8_R8_3PLANE_420_UNORM_ANGLE_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnimplementedLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_to_R16G16B16A16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadL16FToRGBA16F, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadL16FToRGBA16F, true);
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_to_R32G32B32A32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadL32FToRGBA32F, true);
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE16F_EXT_to_R16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 1>, false);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE16F_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadL16FToRGBA16F, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadL16FToRGBA16F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE32F_EXT_to_R32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLfloat, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE32F_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadL32FToRGBA32F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE8_ALPHA8_EXT_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadLA8ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE8_ALPHA8_EXT_to_R8G8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE8_EXT_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadL8ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE8_EXT_to_R8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_ALPHA_to_R16G16B16A16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadLA16FToRGBA16F, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadLA16FToRGBA16F, true);
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_ALPHA_to_R32G32B32A32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadLA32FToRGBA32F, true);
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_ALPHA_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_ALPHA16F_EXT_to_R16G16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 2>, false);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_ALPHA16F_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadLA16FToRGBA16F, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadLA16FToRGBA16F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_ALPHA32F_EXT_to_R32G32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLfloat, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo LUMINANCE_ALPHA32F_EXT_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadLA32FToRGBA32F, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE4_R5_G6_B5_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<4, 5, 6, 0>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE4_RGB5_A1_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<4, 5, 5, 1>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE4_RGB8_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<4, 8, 8, 0>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE4_RGBA4_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<4, 4, 4, 4>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE4_RGBA8_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<4, 8, 8, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE8_R5_G6_B5_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<8, 5, 6, 0>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE8_RGB5_A1_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<8, 5, 5, 1>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE8_RGB8_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<8, 8, 8, 0>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE8_RGBA4_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<8, 4, 4, 4>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo PALETTE8_RGBA8_OES_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadPalettedToRGBA8<8, 8, 8, 8>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R11F_G11F_B10F_to_R11G11B10_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadRGB32FToRG11B10F, true);
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadRGB16FToRG11B10F, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadRGB16FToRG11B10F, true);
+        case GL_UNSIGNED_INT_10F_11F_11F_REV:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R16F_to_R16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(Load32FTo16F<1>, true);
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 1>, false);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R16I_to_R16_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLshort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R16UI_to_R16_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R16_EXT_to_R16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R16_SNORM_EXT_to_R16_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R16_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R16_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R32F_to_R32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLfloat, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R32I_to_R32_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R32UI_to_R32_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R8_to_R8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R8I_to_R8_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R8UI_to_R8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R8_SNORM_to_R8_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R8_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo R8_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG16F_to_R16G16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(Load32FTo16F<2>, true);
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 2>, false);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG16I_to_R16G16_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLshort, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG16UI_to_R16G16_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG16_EXT_to_R16G16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG16_SNORM_EXT_to_R16G16_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG16_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG16_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG32F_to_R32G32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLfloat, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG32I_to_R32G32_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLint, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG32UI_to_R32G32_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG8_to_R8G8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG8I_to_R8G8_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG8UI_to_R8G8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG8_SNORM_to_R8G8_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG8_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RG8_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        case GL_UNSIGNED_SHORT_5_6_5:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_A2_to_R10G10B10A2_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_A2UI_to_R10G10B10A2_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_A2_SINT_ANGLEX_to_R10G10B10A2_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGB10A2ToRGBA8, true);
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_A2_SNORM_ANGLEX_to_R10G10B10A2_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGB10A2ToRGBA8, true);
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_A2_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_A2_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_UNORM_ANGLEX_to_R10G10B10A2_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadRGB10A2ToRGB10X2, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB10_UNORM_ANGLEX_to_R10G10B10X2_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadRGB10A2ToRGB10X2, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16F_to_R16G16B16A16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadRGB32FToRGBA16F, true);
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLhalf, gl::Float16One>, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLhalf, gl::Float16One>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16F_to_R16G16B16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadRGB32FToRGB16F, true);
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 3>, false);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16I_to_R16G16B16A16_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLshort, 0x0001>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16I_to_R16G16B16_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLshort, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16UI_to_R16G16B16A16_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLushort, 0x0001>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16UI_to_R16G16B16_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16_EXT_to_R16G16B16A16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLushort, 0xFFFF>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16_EXT_to_R16G16B16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16_SNORM_EXT_to_R16G16B16A16_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLushort, 0x7FFF>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16_SNORM_EXT_to_R16G16B16_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB16_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB32F_to_R32G32B32A32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLfloat, gl::Float32One>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB32F_to_R32G32B32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLfloat, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB32I_to_R32G32B32A32_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_INT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLint, 0x00000001>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB32I_to_R32G32B32_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLint, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB32UI_to_R32G32B32A32_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLuint, 0x00000001>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB32UI_to_R32G32B32_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB565_to_B5G6R5_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGB8ToBGR565, true);
+        case GL_UNSIGNED_SHORT_5_6_5:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB565_to_R5G6B5_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGB8ToBGR565, true);
+        case GL_UNSIGNED_SHORT_5_6_5:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB565_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLubyte, 0xFF>, true);
+        case GL_UNSIGNED_SHORT_5_6_5:
+            return LoadImageFunctionInfo(LoadR5G6B5ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB5_A1_to_A1R5G5B5_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGBA8ToBGR5A1, true);
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadRGB10A2ToBGR5A1, true);
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+            return LoadImageFunctionInfo(LoadRGB5A1ToA1RGB5, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB5_A1_to_B5G5R5A1_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGBA8ToBGR5A1, true);
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadRGB10A2ToBGR5A1, true);
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+            return LoadImageFunctionInfo(LoadRGB5A1ToA1RGB5, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB5_A1_to_R5G5B5A1_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGBA8ToRGB5A1, true);
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadRGB10A2ToRGB5A1, true);
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB5_A1_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+            return LoadImageFunctionInfo(LoadRGB10A2ToRGBA8, true);
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+            return LoadImageFunctionInfo(LoadRGB5A1ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLubyte, 0xFF>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8_to_R8G8B8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8I_to_R8G8B8A8_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLbyte, 0x01>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8I_to_R8G8B8_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8UI_to_R8G8B8A8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLubyte, 0x01>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8UI_to_R8G8B8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8_SNORM_to_R8G8B8A8_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLbyte, 0x7F>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8_SNORM_to_R8G8B8_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB8_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGB9_E5_to_R9G9B9E5_SHAREDEXP(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadRGB32FToRGB9E5, true);
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadRGB16FToRGB9E5, true);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadRGB16FToRGB9E5, true);
+        case GL_UNSIGNED_INT_5_9_9_9_REV:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA16F_to_R16G16B16A16_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(Load32FTo16F<4>, true);
+        case GL_HALF_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 4>, false);
+        case GL_HALF_FLOAT_OES:
+            return LoadImageFunctionInfo(LoadToNative<GLhalf, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA16I_to_R16G16B16A16_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLshort, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA16UI_to_R16G16B16A16_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA16_EXT_to_R16G16B16A16_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA16_SNORM_EXT_to_R16G16B16A16_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_SHORT:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA16_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA16_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA32F_to_R32G32B32A32_FLOAT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_FLOAT:
+            return LoadImageFunctionInfo(LoadToNative<GLfloat, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA32I_to_R32G32B32A32_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLint, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA32UI_to_R32G32B32A32_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_INT:
+            return LoadImageFunctionInfo(LoadToNative<GLuint, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA4_to_B4G4R4A4_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGBA8ToBGRA4, true);
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+            return LoadImageFunctionInfo(LoadRGBA4ToARGB4, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA4_to_R4G4B4A4_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadRGBA8ToRGBA4, true);
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+            return LoadImageFunctionInfo(LoadToNative<GLushort, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA4_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+            return LoadImageFunctionInfo(LoadRGBA4ToRGBA8, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA8_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA8I_to_R8G8B8A8_SINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA8UI_to_R8G8B8A8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA8_SNORM_to_R8G8B8A8_SNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA8_SSCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBA8_USCALED_ANGLEX_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBX8_ANGLE_to_R8G8B8A8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLubyte, 0xFF>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo RGBX8_ANGLE_to_R8G8B8X8_UNORM(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLubyte, 0xFF>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo SR8_EXT_to_R8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo SRG8_EXT_to_R8G8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 2>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo SRGB8_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative3To4<GLubyte, 0xFF>, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo SRGB8_to_R8G8B8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLbyte, 3>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo SRGB8_ALPHA8_to_R8G8B8A8_UNORM_SRGB(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 4>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo STENCIL_INDEX8_to_S8_UINT(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(LoadToNative<GLubyte, 1>, false);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+LoadImageFunctionInfo STENCIL_INDEX8_to_default(GLenum type)
+{
+    switch (type)
+    {
+        case GL_UNSIGNED_BYTE:
+            return LoadImageFunctionInfo(UnimplementedLoadFunction, true);
+        default:
+            UNREACHABLE();
+            return LoadImageFunctionInfo(UnreachableLoadFunction, true);
+    }
+}
+
+}  // namespace
+
+LoadFunctionMap GetLoadFunctionsMap(GLenum internalFormat, FormatID angleFormat)
+{
+    // clang-format off
+    switch (internalFormat)
+    {
+        case GL_A1RGB5_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::A1R5G5B5_UNORM:
+                    return A1RGB5_ANGLEX_to_A1R5G5B5_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_ALPHA:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_FLOAT:
+                    return ALPHA_to_R16G16B16A16_FLOAT;
+                case FormatID::R32G32B32A32_FLOAT:
+                    return ALPHA_to_R32G32B32A32_FLOAT;
+                default:
+                    return ALPHA_to_default;
+            }
+        }
+        case GL_ALPHA16F_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16_FLOAT:
+                    return ALPHA16F_EXT_to_R16_FLOAT;
+                default:
+                    return ALPHA16F_EXT_to_default;
+            }
+        }
+        case GL_ALPHA32F_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32_FLOAT:
+                    return ALPHA32F_EXT_to_R32_FLOAT;
+                default:
+                    return ALPHA32F_EXT_to_default;
+            }
+        }
+        case GL_ALPHA8_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::A8_UNORM:
+                    return ALPHA8_EXT_to_A8_UNORM;
+                case FormatID::R8G8B8A8_UNORM:
+                    return ALPHA8_EXT_to_R8G8B8A8_UNORM;
+                case FormatID::R8_UNORM:
+                    return ALPHA8_EXT_to_R8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_BGR10_A2_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::B10G10R10A2_UNORM:
+                    return BGR10_A2_ANGLEX_to_B10G10R10A2_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_BGR565_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::B5G6R5_UNORM:
+                    return BGR565_ANGLEX_to_B5G6R5_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_BGR5_A1_ANGLEX:
+            return BGR5_A1_ANGLEX_to_default;
+        case GL_BGRA4_ANGLEX:
+            return BGRA4_ANGLEX_to_default;
+        case GL_BGRA8_EXT:
+            return BGRA8_EXT_to_default;
+        case GL_BGRA8_SRGB_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::B8G8R8A8_UNORM_SRGB:
+                    return BGRA8_SRGB_ANGLEX_to_B8G8R8A8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_BGRA_EXT:
+            return BGRA_EXT_to_default;
+        case GL_BGRX8_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::B8G8R8A8_UNORM:
+                    return BGRX8_ANGLEX_to_B8G8R8A8_UNORM;
+                case FormatID::B8G8R8X8_UNORM:
+                    return BGRX8_ANGLEX_to_B8G8R8X8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_R11_EAC:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::EAC_R11_UNORM_BLOCK:
+                    return COMPRESSED_R11_EAC_to_EAC_R11_UNORM_BLOCK;
+                case FormatID::R16_FLOAT:
+                    return COMPRESSED_R11_EAC_to_R16_FLOAT;
+                case FormatID::R16_UNORM:
+                    return COMPRESSED_R11_EAC_to_R16_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+            return COMPRESSED_RED_GREEN_RGTC2_EXT_to_default;
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+            return COMPRESSED_RED_RGTC1_EXT_to_default;
+        case GL_COMPRESSED_RG11_EAC:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::EAC_R11G11_UNORM_BLOCK:
+                    return COMPRESSED_RG11_EAC_to_EAC_R11G11_UNORM_BLOCK;
+                case FormatID::R16G16_FLOAT:
+                    return COMPRESSED_RG11_EAC_to_R16G16_FLOAT;
+                case FormatID::R16G16_UNORM:
+                    return COMPRESSED_RG11_EAC_to_R16G16_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_RGB8_ETC2:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::ETC2_R8G8B8_UNORM_BLOCK:
+                    return COMPRESSED_RGB8_ETC2_to_ETC2_R8G8B8_UNORM_BLOCK;
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGB8_ETC2_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::BC1_RGB_UNORM_BLOCK:
+                    return COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGB_UNORM_BLOCK;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::ETC2_R8G8B8A1_UNORM_BLOCK:
+                    return COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_ETC2_R8G8B8A1_UNORM_BLOCK;
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::BC1_RGBA_UNORM_BLOCK:
+                    return COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGBA_UNORM_BLOCK;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_RGBA8_ETC2_EAC:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::ETC2_R8G8B8A8_UNORM_BLOCK:
+                    return COMPRESSED_RGBA8_ETC2_EAC_to_ETC2_R8G8B8A8_UNORM_BLOCK;
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA8_ETC2_EAC_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_10x10_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_10x10_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_10x5_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_10x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_10x6_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_10x6_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_10x8_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_10x8_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_12x10_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_12x10_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_12x12_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_12x12_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+            return COMPRESSED_RGBA_ASTC_3x3x3_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+            return COMPRESSED_RGBA_ASTC_4x3x3_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_4x4_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_4x4_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+            return COMPRESSED_RGBA_ASTC_4x4x3_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+            return COMPRESSED_RGBA_ASTC_4x4x4_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_5x4_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_5x4_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+            return COMPRESSED_RGBA_ASTC_5x4x4_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_5x5_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_5x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+            return COMPRESSED_RGBA_ASTC_5x5x4_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+            return COMPRESSED_RGBA_ASTC_5x5x5_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_6x5_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_6x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+            return COMPRESSED_RGBA_ASTC_6x5x5_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_6x6_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_6x6_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+            return COMPRESSED_RGBA_ASTC_6x6x5_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+            return COMPRESSED_RGBA_ASTC_6x6x6_OES_to_default;
+        case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_8x5_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_8x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_8x6_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_8x6_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return COMPRESSED_RGBA_ASTC_8x8_KHR_to_R8G8B8A8_UNORM;
+                default:
+                    return COMPRESSED_RGBA_ASTC_8x8_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+            return COMPRESSED_RGBA_BPTC_UNORM_EXT_to_default;
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+            return COMPRESSED_RGBA_S3TC_DXT1_EXT_to_default;
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+            return COMPRESSED_RGBA_S3TC_DXT3_ANGLE_to_default;
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+            return COMPRESSED_RGBA_S3TC_DXT5_ANGLE_to_default;
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+            return COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT_to_default;
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+            return COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT_to_default;
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+            return COMPRESSED_RGB_S3TC_DXT1_EXT_to_default;
+        case GL_COMPRESSED_SIGNED_R11_EAC:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::EAC_R11_SNORM_BLOCK:
+                    return COMPRESSED_SIGNED_R11_EAC_to_EAC_R11_SNORM_BLOCK;
+                case FormatID::R16_FLOAT:
+                    return COMPRESSED_SIGNED_R11_EAC_to_R16_FLOAT;
+                case FormatID::R16_SNORM:
+                    return COMPRESSED_SIGNED_R11_EAC_to_R16_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+            return COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT_to_default;
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+            return COMPRESSED_SIGNED_RED_RGTC1_EXT_to_default;
+        case GL_COMPRESSED_SIGNED_RG11_EAC:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::EAC_R11G11_SNORM_BLOCK:
+                    return COMPRESSED_SIGNED_RG11_EAC_to_EAC_R11G11_SNORM_BLOCK;
+                case FormatID::R16G16_FLOAT:
+                    return COMPRESSED_SIGNED_RG11_EAC_to_R16G16_FLOAT;
+                case FormatID::R16G16_SNORM:
+                    return COMPRESSED_SIGNED_RG11_EAC_to_R16G16_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES:
+            return COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES_to_default;
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    return COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR_to_default;
+            }
+        }
+        case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::ETC2_R8G8B8A8_SRGB_BLOCK:
+                    return COMPRESSED_SRGB8_ALPHA8_ETC2_EAC_to_ETC2_R8G8B8A8_SRGB_BLOCK;
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ALPHA8_ETC2_EAC_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_SRGB8_ETC2:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::ETC2_R8G8B8_SRGB_BLOCK:
+                    return COMPRESSED_SRGB8_ETC2_to_ETC2_R8G8B8_SRGB_BLOCK;
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_ETC2_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::BC1_RGB_UNORM_SRGB_BLOCK:
+                    return COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGB_UNORM_SRGB_BLOCK;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::ETC2_R8G8B8A1_SRGB_BLOCK:
+                    return COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_ETC2_R8G8B8A1_SRGB_BLOCK;
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::BC1_RGBA_UNORM_SRGB_BLOCK:
+                    return COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE_to_BC1_RGBA_UNORM_SRGB_BLOCK;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:
+            return COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT_to_default;
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+            return COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT_to_default;
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+            return COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT_to_default;
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+            return COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT_to_default;
+        case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+            return COMPRESSED_SRGB_S3TC_DXT1_EXT_to_default;
+        case GL_DEPTH24_STENCIL8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::D24_UNORM_S8_UINT:
+                    return DEPTH24_STENCIL8_to_D24_UNORM_S8_UINT;
+                case FormatID::D32_FLOAT_S8X24_UINT:
+                    return DEPTH24_STENCIL8_to_D32_FLOAT_S8X24_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_DEPTH32F_STENCIL8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::D24_UNORM_S8_UINT:
+                    return DEPTH32F_STENCIL8_to_D24_UNORM_S8_UINT;
+                case FormatID::D32_FLOAT_S8X24_UINT:
+                    return DEPTH32F_STENCIL8_to_D32_FLOAT_S8X24_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_DEPTH_COMPONENT16:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::D16_UNORM:
+                    return DEPTH_COMPONENT16_to_D16_UNORM;
+                case FormatID::D32_FLOAT:
+                    return DEPTH_COMPONENT16_to_D32_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_DEPTH_COMPONENT24:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::D24_UNORM_S8_UINT:
+                    return DEPTH_COMPONENT24_to_D24_UNORM_S8_UINT;
+                case FormatID::D24_UNORM_X8_UINT:
+                    return DEPTH_COMPONENT24_to_D24_UNORM_X8_UINT;
+                case FormatID::D32_FLOAT:
+                    return DEPTH_COMPONENT24_to_D32_FLOAT;
+                case FormatID::D32_FLOAT_S8X24_UINT:
+                    return DEPTH_COMPONENT24_to_D32_FLOAT_S8X24_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_DEPTH_COMPONENT32F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::D32_FLOAT:
+                    return DEPTH_COMPONENT32F_to_D32_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_DEPTH_COMPONENT32_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::D32_FLOAT:
+                    return DEPTH_COMPONENT32_OES_to_D32_FLOAT;
+                default:
+                    return DEPTH_COMPONENT32_OES_to_default;
+            }
+        }
+        case GL_ETC1_RGB8_LOSSY_DECODE_ANGLE:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::BC1_RGB_UNORM_BLOCK:
+                    return ETC1_RGB8_LOSSY_DECODE_ANGLE_to_BC1_RGB_UNORM_BLOCK;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_ETC1_RGB8_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::ETC1_R8G8B8_UNORM_BLOCK:
+                    return ETC1_RGB8_OES_to_ETC1_R8G8B8_UNORM_BLOCK;
+                case FormatID::ETC2_R8G8B8_UNORM_BLOCK:
+                    return ETC1_RGB8_OES_to_ETC2_R8G8B8_UNORM_BLOCK;
+                case FormatID::R8G8B8A8_UNORM:
+                    return ETC1_RGB8_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+            return G8_B8R8_2PLANE_420_UNORM_ANGLE_to_default;
+        case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+            return G8_B8_R8_3PLANE_420_UNORM_ANGLE_to_default;
+        case GL_LUMINANCE:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_FLOAT:
+                    return LUMINANCE_to_R16G16B16A16_FLOAT;
+                case FormatID::R32G32B32A32_FLOAT:
+                    return LUMINANCE_to_R32G32B32A32_FLOAT;
+                default:
+                    return LUMINANCE_to_default;
+            }
+        }
+        case GL_LUMINANCE16F_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16_FLOAT:
+                    return LUMINANCE16F_EXT_to_R16_FLOAT;
+                default:
+                    return LUMINANCE16F_EXT_to_default;
+            }
+        }
+        case GL_LUMINANCE32F_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32_FLOAT:
+                    return LUMINANCE32F_EXT_to_R32_FLOAT;
+                default:
+                    return LUMINANCE32F_EXT_to_default;
+            }
+        }
+        case GL_LUMINANCE8_ALPHA8_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return LUMINANCE8_ALPHA8_EXT_to_R8G8B8A8_UNORM;
+                case FormatID::R8G8_UNORM:
+                    return LUMINANCE8_ALPHA8_EXT_to_R8G8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_LUMINANCE8_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return LUMINANCE8_EXT_to_R8G8B8A8_UNORM;
+                case FormatID::R8_UNORM:
+                    return LUMINANCE8_EXT_to_R8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_LUMINANCE_ALPHA:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_FLOAT:
+                    return LUMINANCE_ALPHA_to_R16G16B16A16_FLOAT;
+                case FormatID::R32G32B32A32_FLOAT:
+                    return LUMINANCE_ALPHA_to_R32G32B32A32_FLOAT;
+                default:
+                    return LUMINANCE_ALPHA_to_default;
+            }
+        }
+        case GL_LUMINANCE_ALPHA16F_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16_FLOAT:
+                    return LUMINANCE_ALPHA16F_EXT_to_R16G16_FLOAT;
+                default:
+                    return LUMINANCE_ALPHA16F_EXT_to_default;
+            }
+        }
+        case GL_LUMINANCE_ALPHA32F_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32_FLOAT:
+                    return LUMINANCE_ALPHA32F_EXT_to_R32G32_FLOAT;
+                default:
+                    return LUMINANCE_ALPHA32F_EXT_to_default;
+            }
+        }
+        case GL_PALETTE4_R5_G6_B5_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE4_R5_G6_B5_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE4_RGB5_A1_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE4_RGB5_A1_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE4_RGB8_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE4_RGB8_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE4_RGBA4_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE4_RGBA4_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE4_RGBA8_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE4_RGBA8_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE8_R5_G6_B5_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE8_R5_G6_B5_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE8_RGB5_A1_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE8_RGB5_A1_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE8_RGB8_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE8_RGB8_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE8_RGBA4_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE8_RGBA4_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_PALETTE8_RGBA8_OES:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return PALETTE8_RGBA8_OES_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R11F_G11F_B10F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R11G11B10_FLOAT:
+                    return R11F_G11F_B10F_to_R11G11B10_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R16F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16_FLOAT:
+                    return R16F_to_R16_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R16I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16_SINT:
+                    return R16I_to_R16_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R16UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16_UINT:
+                    return R16UI_to_R16_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R16_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16_UNORM:
+                    return R16_EXT_to_R16_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R16_SNORM_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16_SNORM:
+                    return R16_SNORM_EXT_to_R16_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R16_SSCALED_ANGLEX:
+            return R16_SSCALED_ANGLEX_to_default;
+        case GL_R16_USCALED_ANGLEX:
+            return R16_USCALED_ANGLEX_to_default;
+        case GL_R32F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32_FLOAT:
+                    return R32F_to_R32_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R32I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32_SINT:
+                    return R32I_to_R32_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R32UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32_UINT:
+                    return R32UI_to_R32_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8_UNORM:
+                    return R8_to_R8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R8I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8_SINT:
+                    return R8I_to_R8_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R8UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8_UINT:
+                    return R8UI_to_R8_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R8_SNORM:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8_SNORM:
+                    return R8_SNORM_to_R8_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_R8_SSCALED_ANGLEX:
+            return R8_SSCALED_ANGLEX_to_default;
+        case GL_R8_USCALED_ANGLEX:
+            return R8_USCALED_ANGLEX_to_default;
+        case GL_RG16F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16_FLOAT:
+                    return RG16F_to_R16G16_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG16I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16_SINT:
+                    return RG16I_to_R16G16_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG16UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16_UINT:
+                    return RG16UI_to_R16G16_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG16_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16_UNORM:
+                    return RG16_EXT_to_R16G16_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG16_SNORM_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16_SNORM:
+                    return RG16_SNORM_EXT_to_R16G16_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG16_SSCALED_ANGLEX:
+            return RG16_SSCALED_ANGLEX_to_default;
+        case GL_RG16_USCALED_ANGLEX:
+            return RG16_USCALED_ANGLEX_to_default;
+        case GL_RG32F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32_FLOAT:
+                    return RG32F_to_R32G32_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG32I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32_SINT:
+                    return RG32I_to_R32G32_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG32UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32_UINT:
+                    return RG32UI_to_R32G32_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8_UNORM:
+                    return RG8_to_R8G8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG8I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8_SINT:
+                    return RG8I_to_R8G8_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG8UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8_UINT:
+                    return RG8UI_to_R8G8_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG8_SNORM:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8_SNORM:
+                    return RG8_SNORM_to_R8G8_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RG8_SSCALED_ANGLEX:
+            return RG8_SSCALED_ANGLEX_to_default;
+        case GL_RG8_USCALED_ANGLEX:
+            return RG8_USCALED_ANGLEX_to_default;
+        case GL_RGB:
+            return RGB_to_default;
+        case GL_RGB10_A2:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R10G10B10A2_UNORM:
+                    return RGB10_A2_to_R10G10B10A2_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB10_A2UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R10G10B10A2_UINT:
+                    return RGB10_A2UI_to_R10G10B10A2_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB10_A2_SINT_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R10G10B10A2_SINT:
+                    return RGB10_A2_SINT_ANGLEX_to_R10G10B10A2_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB10_A2_SNORM_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R10G10B10A2_SNORM:
+                    return RGB10_A2_SNORM_ANGLEX_to_R10G10B10A2_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB10_A2_SSCALED_ANGLEX:
+            return RGB10_A2_SSCALED_ANGLEX_to_default;
+        case GL_RGB10_A2_USCALED_ANGLEX:
+            return RGB10_A2_USCALED_ANGLEX_to_default;
+        case GL_RGB10_UNORM_ANGLEX:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R10G10B10A2_UNORM:
+                    return RGB10_UNORM_ANGLEX_to_R10G10B10A2_UNORM;
+                case FormatID::R10G10B10X2_UNORM:
+                    return RGB10_UNORM_ANGLEX_to_R10G10B10X2_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB16F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_FLOAT:
+                    return RGB16F_to_R16G16B16A16_FLOAT;
+                case FormatID::R16G16B16_FLOAT:
+                    return RGB16F_to_R16G16B16_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB16I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_SINT:
+                    return RGB16I_to_R16G16B16A16_SINT;
+                case FormatID::R16G16B16_SINT:
+                    return RGB16I_to_R16G16B16_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB16UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_UINT:
+                    return RGB16UI_to_R16G16B16A16_UINT;
+                case FormatID::R16G16B16_UINT:
+                    return RGB16UI_to_R16G16B16_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB16_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_UNORM:
+                    return RGB16_EXT_to_R16G16B16A16_UNORM;
+                case FormatID::R16G16B16_UNORM:
+                    return RGB16_EXT_to_R16G16B16_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB16_SNORM_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_SNORM:
+                    return RGB16_SNORM_EXT_to_R16G16B16A16_SNORM;
+                case FormatID::R16G16B16_SNORM:
+                    return RGB16_SNORM_EXT_to_R16G16B16_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB16_SSCALED_ANGLEX:
+            return RGB16_SSCALED_ANGLEX_to_default;
+        case GL_RGB16_USCALED_ANGLEX:
+            return RGB16_USCALED_ANGLEX_to_default;
+        case GL_RGB32F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32B32A32_FLOAT:
+                    return RGB32F_to_R32G32B32A32_FLOAT;
+                case FormatID::R32G32B32_FLOAT:
+                    return RGB32F_to_R32G32B32_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB32I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32B32A32_SINT:
+                    return RGB32I_to_R32G32B32A32_SINT;
+                case FormatID::R32G32B32_SINT:
+                    return RGB32I_to_R32G32B32_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB32UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32B32A32_UINT:
+                    return RGB32UI_to_R32G32B32A32_UINT;
+                case FormatID::R32G32B32_UINT:
+                    return RGB32UI_to_R32G32B32_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB565:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::B5G6R5_UNORM:
+                    return RGB565_to_B5G6R5_UNORM;
+                case FormatID::R5G6B5_UNORM:
+                    return RGB565_to_R5G6B5_UNORM;
+                case FormatID::R8G8B8A8_UNORM:
+                    return RGB565_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB5_A1:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::A1R5G5B5_UNORM:
+                    return RGB5_A1_to_A1R5G5B5_UNORM;
+                case FormatID::B5G5R5A1_UNORM:
+                    return RGB5_A1_to_B5G5R5A1_UNORM;
+                case FormatID::R5G5B5A1_UNORM:
+                    return RGB5_A1_to_R5G5B5A1_UNORM;
+                case FormatID::R8G8B8A8_UNORM:
+                    return RGB5_A1_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return RGB8_to_R8G8B8A8_UNORM;
+                case FormatID::R8G8B8_UNORM:
+                    return RGB8_to_R8G8B8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB8I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_SINT:
+                    return RGB8I_to_R8G8B8A8_SINT;
+                case FormatID::R8G8B8_SINT:
+                    return RGB8I_to_R8G8B8_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB8UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UINT:
+                    return RGB8UI_to_R8G8B8A8_UINT;
+                case FormatID::R8G8B8_UINT:
+                    return RGB8UI_to_R8G8B8_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB8_SNORM:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_SNORM:
+                    return RGB8_SNORM_to_R8G8B8A8_SNORM;
+                case FormatID::R8G8B8_SNORM:
+                    return RGB8_SNORM_to_R8G8B8_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGB8_SSCALED_ANGLEX:
+            return RGB8_SSCALED_ANGLEX_to_default;
+        case GL_RGB8_USCALED_ANGLEX:
+            return RGB8_USCALED_ANGLEX_to_default;
+        case GL_RGB9_E5:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R9G9B9E5_SHAREDEXP:
+                    return RGB9_E5_to_R9G9B9E5_SHAREDEXP;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA:
+            return RGBA_to_default;
+        case GL_RGBA16F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_FLOAT:
+                    return RGBA16F_to_R16G16B16A16_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA16I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_SINT:
+                    return RGBA16I_to_R16G16B16A16_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA16UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_UINT:
+                    return RGBA16UI_to_R16G16B16A16_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA16_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_UNORM:
+                    return RGBA16_EXT_to_R16G16B16A16_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA16_SNORM_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R16G16B16A16_SNORM:
+                    return RGBA16_SNORM_EXT_to_R16G16B16A16_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA16_SSCALED_ANGLEX:
+            return RGBA16_SSCALED_ANGLEX_to_default;
+        case GL_RGBA16_USCALED_ANGLEX:
+            return RGBA16_USCALED_ANGLEX_to_default;
+        case GL_RGBA32F:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32B32A32_FLOAT:
+                    return RGBA32F_to_R32G32B32A32_FLOAT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA32I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32B32A32_SINT:
+                    return RGBA32I_to_R32G32B32A32_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA32UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R32G32B32A32_UINT:
+                    return RGBA32UI_to_R32G32B32A32_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA4:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::B4G4R4A4_UNORM:
+                    return RGBA4_to_B4G4R4A4_UNORM;
+                case FormatID::R4G4B4A4_UNORM:
+                    return RGBA4_to_R4G4B4A4_UNORM;
+                case FormatID::R8G8B8A8_UNORM:
+                    return RGBA4_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return RGBA8_to_R8G8B8A8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA8I:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_SINT:
+                    return RGBA8I_to_R8G8B8A8_SINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA8UI:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UINT:
+                    return RGBA8UI_to_R8G8B8A8_UINT;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA8_SNORM:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_SNORM:
+                    return RGBA8_SNORM_to_R8G8B8A8_SNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_RGBA8_SSCALED_ANGLEX:
+            return RGBA8_SSCALED_ANGLEX_to_default;
+        case GL_RGBA8_USCALED_ANGLEX:
+            return RGBA8_USCALED_ANGLEX_to_default;
+        case GL_RGBX8_ANGLE:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM:
+                    return RGBX8_ANGLE_to_R8G8B8A8_UNORM;
+                case FormatID::R8G8B8X8_UNORM:
+                    return RGBX8_ANGLE_to_R8G8B8X8_UNORM;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_SR8_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8_UNORM_SRGB:
+                    return SR8_EXT_to_R8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_SRG8_EXT:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8_UNORM_SRGB:
+                    return SRG8_EXT_to_R8G8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_SRGB8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return SRGB8_to_R8G8B8A8_UNORM_SRGB;
+                case FormatID::R8G8B8_UNORM_SRGB:
+                    return SRGB8_to_R8G8B8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_SRGB8_ALPHA8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::R8G8B8A8_UNORM_SRGB:
+                    return SRGB8_ALPHA8_to_R8G8B8A8_UNORM_SRGB;
+                default:
+                    break;
+            }
+            break;
+        }
+        case GL_STENCIL_INDEX8:
+        {
+            switch (angleFormat)
+            {
+                case FormatID::S8_UINT:
+                    return STENCIL_INDEX8_to_S8_UINT;
+                default:
+                    return STENCIL_INDEX8_to_default;
+            }
+        }
+
+        default:
+            break;
+    }
+    // clang-format on
+    ASSERT(internalFormat == GL_NONE || angleFormat == angle::FormatID::NONE);
+    static LoadFunctionMap emptyLoadFunctionsMap;
+    return emptyLoadFunctionsMap;
+
+}  // GetLoadFunctionsMap
+
+}  // namespace angle
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/renderer_utils.cpp b/gfx/angle/checkout/src/libANGLE/renderer/renderer_utils.cpp
new file mode 100644
index 0000000000..152de2f25d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/renderer_utils.cpp
@@ -0,0 +1,1583 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// renderer_utils:
+//   Helper methods pertaining to most or all back-ends.
+//
+
+#include "libANGLE/renderer/renderer_utils.h"
+
+#include "common/string_utils.h"
+#include "common/system_utils.h"
+#include "common/utilities.h"
+#include "image_util/copyimage.h"
+#include "image_util/imageformats.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Context.inl.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/ContextImpl.h"
+#include "libANGLE/renderer/Format.h"
+#include "platform/Feature.h"
+
+#include <string.h>
+#include <cctype>
+
+namespace angle
+{
+namespace
+{
+// For the sake of feature name matching, underscore is ignored, and the names are matched
+// case-insensitive.  This allows feature names to be overriden both in snake_case (previously used
+// by ANGLE) and camelCase.  The second string (user-provided name) can end in `*` for wildcard
+// matching.
+bool FeatureNameMatch(const std::string &a, const std::string &b)
+{
+    size_t ai = 0;
+    size_t bi = 0;
+
+    while (ai < a.size() && bi < b.size())
+    {
+        if (a[ai] == '_')
+        {
+            ++ai;
+        }
+        if (b[bi] == '_')
+        {
+            ++bi;
+        }
+        if (b[bi] == '*' && bi + 1 == b.size())
+        {
+            // If selected feature name ends in wildcard, match it.
+            return true;
+        }
+        if (std::tolower(a[ai++]) != std::tolower(b[bi++]))
+        {
+            return false;
+        }
+    }
+
+    return ai == a.size() && bi == b.size();
+}
+}  // anonymous namespace
+
+// FeatureSetBase implementation
+void FeatureSetBase::overrideFeatures(const std::vector<std::string> &featureNames, bool enabled)
+{
+    for (const std::string &name : featureNames)
+    {
+        const bool hasWildcard = name.back() == '*';
+        for (auto iter : members)
+        {
+            const std::string &featureName = iter.first;
+            FeatureInfo *feature           = iter.second;
+
+            if (!FeatureNameMatch(featureName, name))
+            {
+                continue;
+            }
+
+            feature->enabled = enabled;
+
+            // If name has a wildcard, try to match it with all features.  Otherwise, bail on first
+            // match, as names are unique.
+            if (!hasWildcard)
+            {
+                break;
+            }
+        }
+    }
+}
+
+void FeatureSetBase::populateFeatureList(FeatureList *features) const
+{
+    for (FeatureMap::const_iterator it = members.begin(); it != members.end(); it++)
+    {
+        features->push_back(it->second);
+    }
+}
+}  // namespace angle
+
+namespace rx
+{
+
+namespace
+{
+// Both D3D and Vulkan support the same set of standard sample positions for 1, 2, 4, 8, and 16
+// samples.  See:
+//
+// - https://msdn.microsoft.com/en-us/library/windows/desktop/ff476218.aspx
+//
+// -
+// https://www.khronos.org/registry/vulkan/specs/1.1-extensions/html/vkspec.html#primsrast-multisampling
+using SamplePositionsArray                                     = std::array<float, 32>;
+constexpr std::array<SamplePositionsArray, 5> kSamplePositions = {
+    {{{0.5f, 0.5f}},
+     {{0.75f, 0.75f, 0.25f, 0.25f}},
+     {{0.375f, 0.125f, 0.875f, 0.375f, 0.125f, 0.625f, 0.625f, 0.875f}},
+     {{0.5625f, 0.3125f, 0.4375f, 0.6875f, 0.8125f, 0.5625f, 0.3125f, 0.1875f, 0.1875f, 0.8125f,
+       0.0625f, 0.4375f, 0.6875f, 0.9375f, 0.9375f, 0.0625f}},
+     {{0.5625f, 0.5625f, 0.4375f, 0.3125f, 0.3125f, 0.625f,  0.75f,   0.4375f,
+       0.1875f, 0.375f,  0.625f,  0.8125f, 0.8125f, 0.6875f, 0.6875f, 0.1875f,
+       0.375f,  0.875f,  0.5f,    0.0625f, 0.25f,   0.125f,  0.125f,  0.75f,
+       0.0f,    0.5f,    0.9375f, 0.25f,   0.875f,  0.9375f, 0.0625f, 0.0f}}}};
+
+struct IncompleteTextureParameters
+{
+    GLenum sizedInternalFormat;
+    GLenum format;
+    GLenum type;
+    GLubyte clearColor[4];
+};
+
+// Note that for gl::SamplerFormat::Shadow, the clearColor datatype needs to be GLushort and as such
+// we will reinterpret GLubyte[4] as GLushort[2].
+constexpr angle::PackedEnumMap<gl::SamplerFormat, IncompleteTextureParameters>
+    kIncompleteTextureParameters = {
+        {gl::SamplerFormat::Float, {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, {0, 0, 0, 255}}},
+        {gl::SamplerFormat::Unsigned,
+         {GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, {0, 0, 0, 255}}},
+        {gl::SamplerFormat::Signed, {GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE, {0, 0, 0, 127}}},
+        {gl::SamplerFormat::Shadow,
+         {GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, {0, 0, 0, 0}}}};
+
+void CopyColor(gl::ColorF *color)
+{
+    // No-op
+}
+
+void PremultiplyAlpha(gl::ColorF *color)
+{
+    color->red *= color->alpha;
+    color->green *= color->alpha;
+    color->blue *= color->alpha;
+}
+
+void UnmultiplyAlpha(gl::ColorF *color)
+{
+    if (color->alpha != 0.0f)
+    {
+        float invAlpha = 1.0f / color->alpha;
+        color->red *= invAlpha;
+        color->green *= invAlpha;
+        color->blue *= invAlpha;
+    }
+}
+
+void ClipChannelsR(gl::ColorF *color)
+{
+    color->green = 0.0f;
+    color->blue  = 0.0f;
+    color->alpha = 1.0f;
+}
+
+void ClipChannelsRG(gl::ColorF *color)
+{
+    color->blue  = 0.0f;
+    color->alpha = 1.0f;
+}
+
+void ClipChannelsRGB(gl::ColorF *color)
+{
+    color->alpha = 1.0f;
+}
+
+void ClipChannelsLuminance(gl::ColorF *color)
+{
+    color->alpha = 1.0f;
+}
+
+void ClipChannelsAlpha(gl::ColorF *color)
+{
+    color->red   = 0.0f;
+    color->green = 0.0f;
+    color->blue  = 0.0f;
+}
+
+void ClipChannelsNoOp(gl::ColorF *color) {}
+
+void WriteUintColor(const gl::ColorF &color,
+                    PixelWriteFunction colorWriteFunction,
+                    uint8_t *destPixelData)
+{
+    gl::ColorUI destColor(
+        static_cast<unsigned int>(color.red * 255), static_cast<unsigned int>(color.green * 255),
+        static_cast<unsigned int>(color.blue * 255), static_cast<unsigned int>(color.alpha * 255));
+    colorWriteFunction(reinterpret_cast<const uint8_t *>(&destColor), destPixelData);
+}
+
+void WriteFloatColor(const gl::ColorF &color,
+                     PixelWriteFunction colorWriteFunction,
+                     uint8_t *destPixelData)
+{
+    colorWriteFunction(reinterpret_cast<const uint8_t *>(&color), destPixelData);
+}
+
+template <int cols, int rows, bool IsColumnMajor>
+inline int GetFlattenedIndex(int col, int row)
+{
+    if (IsColumnMajor)
+    {
+        return col * rows + row;
+    }
+    else
+    {
+        return row * cols + col;
+    }
+}
+
+template <typename T,
+          bool IsSrcColumnMajor,
+          int colsSrc,
+          int rowsSrc,
+          bool IsDstColumnMajor,
+          int colsDst,
+          int rowsDst>
+void ExpandMatrix(T *target, const GLfloat *value)
+{
+    static_assert(colsSrc <= colsDst && rowsSrc <= rowsDst, "Can only expand!");
+
+    constexpr int kDstFlatSize = colsDst * rowsDst;
+    T staging[kDstFlatSize]    = {0};
+
+    for (int r = 0; r < rowsSrc; r++)
+    {
+        for (int c = 0; c < colsSrc; c++)
+        {
+            int srcIndex = GetFlattenedIndex<colsSrc, rowsSrc, IsSrcColumnMajor>(c, r);
+            int dstIndex = GetFlattenedIndex<colsDst, rowsDst, IsDstColumnMajor>(c, r);
+
+            staging[dstIndex] = static_cast<T>(value[srcIndex]);
+        }
+    }
+
+    memcpy(target, staging, kDstFlatSize * sizeof(T));
+}
+
+template <bool IsSrcColumMajor,
+          int colsSrc,
+          int rowsSrc,
+          bool IsDstColumnMajor,
+          int colsDst,
+          int rowsDst>
+void SetFloatUniformMatrix(unsigned int arrayElementOffset,
+                           unsigned int elementCount,
+                           GLsizei countIn,
+                           const GLfloat *value,
+                           uint8_t *targetData)
+{
+    unsigned int count =
+        std::min(elementCount - arrayElementOffset, static_cast<unsigned int>(countIn));
+
+    const unsigned int targetMatrixStride = colsDst * rowsDst;
+    GLfloat *target                       = reinterpret_cast<GLfloat *>(
+        targetData + arrayElementOffset * sizeof(GLfloat) * targetMatrixStride);
+
+    for (unsigned int i = 0; i < count; i++)
+    {
+        ExpandMatrix<GLfloat, IsSrcColumMajor, colsSrc, rowsSrc, IsDstColumnMajor, colsDst,
+                     rowsDst>(target, value);
+
+        target += targetMatrixStride;
+        value += colsSrc * rowsSrc;
+    }
+}
+
+void SetFloatUniformMatrixFast(unsigned int arrayElementOffset,
+                               unsigned int elementCount,
+                               GLsizei countIn,
+                               size_t matrixSize,
+                               const GLfloat *value,
+                               uint8_t *targetData)
+{
+    const unsigned int count =
+        std::min(elementCount - arrayElementOffset, static_cast<unsigned int>(countIn));
+
+    const uint8_t *valueData = reinterpret_cast<const uint8_t *>(value);
+    targetData               = targetData + arrayElementOffset * matrixSize;
+
+    memcpy(targetData, valueData, matrixSize * count);
+}
+}  // anonymous namespace
+
+bool IsRotatedAspectRatio(SurfaceRotation rotation)
+{
+    switch (rotation)
+    {
+        case SurfaceRotation::Rotated90Degrees:
+        case SurfaceRotation::Rotated270Degrees:
+        case SurfaceRotation::FlippedRotated90Degrees:
+        case SurfaceRotation::FlippedRotated270Degrees:
+            return true;
+        default:
+            return false;
+    }
+}
+
+void RotateRectangle(const SurfaceRotation rotation,
+                     const bool flipY,
+                     const int framebufferWidth,
+                     const int framebufferHeight,
+                     const gl::Rectangle &incoming,
+                     gl::Rectangle *outgoing)
+{
+    // GLES's y-axis points up; Vulkan's points down.
+    switch (rotation)
+    {
+        case SurfaceRotation::Identity:
+            // Do not rotate gl_Position (surface matches the device's orientation):
+            outgoing->x     = incoming.x;
+            outgoing->y     = flipY ? framebufferHeight - incoming.y - incoming.height : incoming.y;
+            outgoing->width = incoming.width;
+            outgoing->height = incoming.height;
+            break;
+        case SurfaceRotation::Rotated90Degrees:
+            // Rotate gl_Position 90 degrees:
+            outgoing->x      = incoming.y;
+            outgoing->y      = flipY ? incoming.x : framebufferWidth - incoming.x - incoming.width;
+            outgoing->width  = incoming.height;
+            outgoing->height = incoming.width;
+            break;
+        case SurfaceRotation::Rotated180Degrees:
+            // Rotate gl_Position 180 degrees:
+            outgoing->x     = framebufferWidth - incoming.x - incoming.width;
+            outgoing->y     = flipY ? incoming.y : framebufferHeight - incoming.y - incoming.height;
+            outgoing->width = incoming.width;
+            outgoing->height = incoming.height;
+            break;
+        case SurfaceRotation::Rotated270Degrees:
+            // Rotate gl_Position 270 degrees:
+            outgoing->x      = framebufferHeight - incoming.y - incoming.height;
+            outgoing->y      = flipY ? framebufferWidth - incoming.x - incoming.width : incoming.x;
+            outgoing->width  = incoming.height;
+            outgoing->height = incoming.width;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+PackPixelsParams::PackPixelsParams()
+    : destFormat(nullptr),
+      outputPitch(0),
+      packBuffer(nullptr),
+      offset(0),
+      rotation(SurfaceRotation::Identity)
+{}
+
+PackPixelsParams::PackPixelsParams(const gl::Rectangle &areaIn,
+                                   const angle::Format &destFormat,
+                                   GLuint outputPitchIn,
+                                   bool reverseRowOrderIn,
+                                   gl::Buffer *packBufferIn,
+                                   ptrdiff_t offsetIn)
+    : area(areaIn),
+      destFormat(&destFormat),
+      outputPitch(outputPitchIn),
+      packBuffer(packBufferIn),
+      reverseRowOrder(reverseRowOrderIn),
+      offset(offsetIn),
+      rotation(SurfaceRotation::Identity)
+{}
+
+void PackPixels(const PackPixelsParams &params,
+                const angle::Format &sourceFormat,
+                int inputPitchIn,
+                const uint8_t *sourceIn,
+                uint8_t *destWithoutOffset)
+{
+    uint8_t *destWithOffset = destWithoutOffset + params.offset;
+
+    const uint8_t *source = sourceIn;
+    int inputPitch        = inputPitchIn;
+    int destWidth         = params.area.width;
+    int destHeight        = params.area.height;
+    int xAxisPitch        = 0;
+    int yAxisPitch        = 0;
+    switch (params.rotation)
+    {
+        case SurfaceRotation::Identity:
+            // The source image is not rotated (i.e. matches the device's orientation), and may or
+            // may not be y-flipped.  The image is row-major.  Each source row (one step along the
+            // y-axis for each step in the dest y-axis) is inputPitch past the previous row.  Along
+            // a row, each source pixel (one step along the x-axis for each step in the dest
+            // x-axis) is sourceFormat.pixelBytes past the previous pixel.
+            xAxisPitch = sourceFormat.pixelBytes;
+            if (params.reverseRowOrder)
+            {
+                // The source image is y-flipped, which means we start at the last row, and each
+                // source row is BEFORE the previous row.
+                source += inputPitchIn * (params.area.height - 1);
+                inputPitch = -inputPitch;
+                yAxisPitch = -inputPitchIn;
+            }
+            else
+            {
+                yAxisPitch = inputPitchIn;
+            }
+            break;
+        case SurfaceRotation::Rotated90Degrees:
+            // The source image is rotated 90 degrees counter-clockwise.  Y-flip is always applied
+            // to rotated images.  The image is column-major.  Each source column (one step along
+            // the source x-axis for each step in the dest y-axis) is inputPitch past the previous
+            // column.  Along a column, each source pixel (one step along the y-axis for each step
+            // in the dest x-axis) is sourceFormat.pixelBytes past the previous pixel.
+            xAxisPitch = inputPitchIn;
+            yAxisPitch = sourceFormat.pixelBytes;
+            destWidth  = params.area.height;
+            destHeight = params.area.width;
+            break;
+        case SurfaceRotation::Rotated180Degrees:
+            // The source image is rotated 180 degrees.  Y-flip is always applied to rotated
+            // images.  The image is row-major, but upside down.  Each source row (one step along
+            // the y-axis for each step in the dest y-axis) is inputPitch after the previous row.
+            // Along a row, each source pixel (one step along the x-axis for each step in the dest
+            // x-axis) is sourceFormat.pixelBytes BEFORE the previous pixel.
+            xAxisPitch = -static_cast<int>(sourceFormat.pixelBytes);
+            yAxisPitch = inputPitchIn;
+            source += sourceFormat.pixelBytes * (params.area.width - 1);
+            break;
+        case SurfaceRotation::Rotated270Degrees:
+            // The source image is rotated 270 degrees counter-clockwise (or 90 degrees clockwise).
+            // Y-flip is always applied to rotated images.  The image is column-major, where each
+            // column (one step in the source x-axis for one step in the dest y-axis) is inputPitch
+            // BEFORE the previous column.  Along a column, each source pixel (one step along the
+            // y-axis for each step in the dest x-axis) is sourceFormat.pixelBytes BEFORE the
+            // previous pixel.  The first pixel is at the end of the source.
+            xAxisPitch = -inputPitchIn;
+            yAxisPitch = -static_cast<int>(sourceFormat.pixelBytes);
+            destWidth  = params.area.height;
+            destHeight = params.area.width;
+            source += inputPitch * (params.area.height - 1) +
+                      sourceFormat.pixelBytes * (params.area.width - 1);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+
+    if (params.rotation == SurfaceRotation::Identity && sourceFormat == *params.destFormat)
+    {
+        // Direct copy possible
+        for (int y = 0; y < params.area.height; ++y)
+        {
+            memcpy(destWithOffset + y * params.outputPitch, source + y * inputPitch,
+                   params.area.width * sourceFormat.pixelBytes);
+        }
+        return;
+    }
+
+    FastCopyFunction fastCopyFunc = sourceFormat.fastCopyFunctions.get(params.destFormat->id);
+
+    if (fastCopyFunc)
+    {
+        // Fast copy is possible through some special function
+        fastCopyFunc(source, xAxisPitch, yAxisPitch, destWithOffset, params.destFormat->pixelBytes,
+                     params.outputPitch, destWidth, destHeight);
+        return;
+    }
+
+    PixelWriteFunction pixelWriteFunction = params.destFormat->pixelWriteFunction;
+    ASSERT(pixelWriteFunction != nullptr);
+
+    // Maximum size of any Color<T> type used.
+    uint8_t temp[16];
+    static_assert(sizeof(temp) >= sizeof(gl::ColorF) && sizeof(temp) >= sizeof(gl::ColorUI) &&
+                      sizeof(temp) >= sizeof(gl::ColorI) &&
+                      sizeof(temp) >= sizeof(angle::DepthStencil),
+                  "Unexpected size of pixel struct.");
+
+    PixelReadFunction pixelReadFunction = sourceFormat.pixelReadFunction;
+    ASSERT(pixelReadFunction != nullptr);
+
+    for (int y = 0; y < destHeight; ++y)
+    {
+        for (int x = 0; x < destWidth; ++x)
+        {
+            uint8_t *dest =
+                destWithOffset + y * params.outputPitch + x * params.destFormat->pixelBytes;
+            const uint8_t *src = source + y * yAxisPitch + x * xAxisPitch;
+
+            // readFunc and writeFunc will be using the same type of color, CopyTexImage
+            // will not allow the copy otherwise.
+            pixelReadFunction(src, temp);
+            pixelWriteFunction(temp, dest);
+        }
+    }
+}
+
+bool FastCopyFunctionMap::has(angle::FormatID formatID) const
+{
+    return (get(formatID) != nullptr);
+}
+
+namespace
+{
+
+const FastCopyFunctionMap::Entry *getEntry(const FastCopyFunctionMap::Entry *entry,
+                                           size_t numEntries,
+                                           angle::FormatID formatID)
+{
+    const FastCopyFunctionMap::Entry *end = entry + numEntries;
+    while (entry != end)
+    {
+        if (entry->formatID == formatID)
+        {
+            return entry;
+        }
+        ++entry;
+    }
+
+    return nullptr;
+}
+
+}  // namespace
+
+FastCopyFunction FastCopyFunctionMap::get(angle::FormatID formatID) const
+{
+    const FastCopyFunctionMap::Entry *entry = getEntry(mData, mSize, formatID);
+    return entry ? entry->func : nullptr;
+}
+
+bool ShouldUseDebugLayers(const egl::AttributeMap &attribs)
+{
+    EGLAttrib debugSetting =
+        attribs.get(EGL_PLATFORM_ANGLE_DEBUG_LAYERS_ENABLED_ANGLE, EGL_DONT_CARE);
+
+    // Prefer to enable debug layers when available.
+#if defined(ANGLE_ENABLE_ASSERTS)
+    return (debugSetting != EGL_FALSE);
+#else
+    return (debugSetting == EGL_TRUE);
+#endif  // defined(ANGLE_ENABLE_ASSERTS)
+}
+
+void CopyImageCHROMIUM(const uint8_t *sourceData,
+                       size_t sourceRowPitch,
+                       size_t sourcePixelBytes,
+                       size_t sourceDepthPitch,
+                       PixelReadFunction pixelReadFunction,
+                       uint8_t *destData,
+                       size_t destRowPitch,
+                       size_t destPixelBytes,
+                       size_t destDepthPitch,
+                       PixelWriteFunction pixelWriteFunction,
+                       GLenum destUnsizedFormat,
+                       GLenum destComponentType,
+                       size_t width,
+                       size_t height,
+                       size_t depth,
+                       bool unpackFlipY,
+                       bool unpackPremultiplyAlpha,
+                       bool unpackUnmultiplyAlpha)
+{
+    using ConversionFunction              = void (*)(gl::ColorF *);
+    ConversionFunction conversionFunction = CopyColor;
+    if (unpackPremultiplyAlpha != unpackUnmultiplyAlpha)
+    {
+        if (unpackPremultiplyAlpha)
+        {
+            conversionFunction = PremultiplyAlpha;
+        }
+        else
+        {
+            conversionFunction = UnmultiplyAlpha;
+        }
+    }
+
+    auto clipChannelsFunction = ClipChannelsNoOp;
+    switch (destUnsizedFormat)
+    {
+        case GL_RED:
+            clipChannelsFunction = ClipChannelsR;
+            break;
+        case GL_RG:
+            clipChannelsFunction = ClipChannelsRG;
+            break;
+        case GL_RGB:
+            clipChannelsFunction = ClipChannelsRGB;
+            break;
+        case GL_LUMINANCE:
+            clipChannelsFunction = ClipChannelsLuminance;
+            break;
+        case GL_ALPHA:
+            clipChannelsFunction = ClipChannelsAlpha;
+            break;
+    }
+
+    auto writeFunction = (destComponentType == GL_UNSIGNED_INT) ? WriteUintColor : WriteFloatColor;
+
+    for (size_t z = 0; z < depth; z++)
+    {
+        for (size_t y = 0; y < height; y++)
+        {
+            for (size_t x = 0; x < width; x++)
+            {
+                const uint8_t *sourcePixelData =
+                    sourceData + y * sourceRowPitch + x * sourcePixelBytes + z * sourceDepthPitch;
+
+                gl::ColorF sourceColor;
+                pixelReadFunction(sourcePixelData, reinterpret_cast<uint8_t *>(&sourceColor));
+
+                conversionFunction(&sourceColor);
+                clipChannelsFunction(&sourceColor);
+
+                size_t destY = 0;
+                if (unpackFlipY)
+                {
+                    destY += (height - 1);
+                    destY -= y;
+                }
+                else
+                {
+                    destY += y;
+                }
+
+                uint8_t *destPixelData =
+                    destData + destY * destRowPitch + x * destPixelBytes + z * destDepthPitch;
+                writeFunction(sourceColor, pixelWriteFunction, destPixelData);
+            }
+        }
+    }
+}
+
+// IncompleteTextureSet implementation.
+IncompleteTextureSet::IncompleteTextureSet() : mIncompleteTextureBufferAttachment(nullptr) {}
+
+IncompleteTextureSet::~IncompleteTextureSet() {}
+
+void IncompleteTextureSet::onDestroy(const gl::Context *context)
+{
+    // Clear incomplete textures.
+    for (auto &incompleteTextures : mIncompleteTextures)
+    {
+        for (auto &incompleteTexture : incompleteTextures)
+        {
+            if (incompleteTexture.get() != nullptr)
+            {
+                incompleteTexture->onDestroy(context);
+                incompleteTexture.set(context, nullptr);
+            }
+        }
+    }
+    if (mIncompleteTextureBufferAttachment != nullptr)
+    {
+        mIncompleteTextureBufferAttachment->onDestroy(context);
+        mIncompleteTextureBufferAttachment = nullptr;
+    }
+}
+
+angle::Result IncompleteTextureSet::getIncompleteTexture(
+    const gl::Context *context,
+    gl::TextureType type,
+    gl::SamplerFormat format,
+    MultisampleTextureInitializer *multisampleInitializer,
+    gl::Texture **textureOut)
+{
+    *textureOut = mIncompleteTextures[format][type].get();
+    if (*textureOut != nullptr)
+    {
+        return angle::Result::Continue;
+    }
+
+    ContextImpl *implFactory = context->getImplementation();
+
+    gl::Extents colorSize(1, 1, 1);
+    gl::PixelUnpackState unpack;
+    unpack.alignment = 1;
+    gl::Box area(0, 0, 0, 1, 1, 1);
+    const IncompleteTextureParameters &incompleteTextureParam =
+        kIncompleteTextureParameters[format];
+
+    // Cube map arrays are expected to have layer counts that are multiples of 6
+    constexpr int kCubeMapArraySize = 6;
+    if (type == gl::TextureType::CubeMapArray)
+    {
+        // From the GLES 3.2 spec:
+        //   8.18. IMMUTABLE-FORMAT TEXTURE IMAGES
+        //   TexStorage3D Errors
+        //   An INVALID_OPERATION error is generated if any of the following conditions hold:
+        //     * target is TEXTURE_CUBE_MAP_ARRAY and depth is not a multiple of 6
+        // Since ANGLE treats incomplete textures as immutable, respect that here.
+        colorSize.depth = kCubeMapArraySize;
+        area.depth      = kCubeMapArraySize;
+    }
+
+    // If a texture is external use a 2D texture for the incomplete texture
+    gl::TextureType createType = (type == gl::TextureType::External) ? gl::TextureType::_2D : type;
+
+    gl::Texture *tex =
+        new gl::Texture(implFactory, {std::numeric_limits<GLuint>::max()}, createType);
+    angle::UniqueObjectPointer<gl::Texture, gl::Context> t(tex, context);
+
+    // This is a bit of a kludge but is necessary to consume the error.
+    gl::Context *mutableContext = const_cast<gl::Context *>(context);
+
+    if (createType == gl::TextureType::Buffer)
+    {
+        constexpr uint32_t kBufferInitData = 0;
+        mIncompleteTextureBufferAttachment =
+            new gl::Buffer(implFactory, {std::numeric_limits<GLuint>::max()});
+        ANGLE_TRY(mIncompleteTextureBufferAttachment->bufferData(
+            mutableContext, gl::BufferBinding::Texture, &kBufferInitData, sizeof(kBufferInitData),
+            gl::BufferUsage::StaticDraw));
+    }
+    else if (createType == gl::TextureType::_2DMultisample)
+    {
+        ANGLE_TRY(t->setStorageMultisample(mutableContext, createType, 1,
+                                           incompleteTextureParam.sizedInternalFormat, colorSize,
+                                           true));
+    }
+    else
+    {
+        ANGLE_TRY(t->setStorage(mutableContext, createType, 1,
+                                incompleteTextureParam.sizedInternalFormat, colorSize));
+    }
+
+    if (type == gl::TextureType::CubeMap)
+    {
+        for (gl::TextureTarget face : gl::AllCubeFaceTextureTargets())
+        {
+            ANGLE_TRY(t->setSubImage(mutableContext, unpack, nullptr, face, 0, area,
+                                     incompleteTextureParam.format, incompleteTextureParam.type,
+                                     incompleteTextureParam.clearColor));
+        }
+    }
+    else if (type == gl::TextureType::CubeMapArray)
+    {
+        // We need to provide enough pixel data to fill the array of six faces
+        GLubyte incompleteCubeArrayPixels[kCubeMapArraySize][4];
+        for (int i = 0; i < kCubeMapArraySize; ++i)
+        {
+            incompleteCubeArrayPixels[i][0] = incompleteTextureParam.clearColor[0];
+            incompleteCubeArrayPixels[i][1] = incompleteTextureParam.clearColor[1];
+            incompleteCubeArrayPixels[i][2] = incompleteTextureParam.clearColor[2];
+            incompleteCubeArrayPixels[i][3] = incompleteTextureParam.clearColor[3];
+        }
+
+        ANGLE_TRY(t->setSubImage(mutableContext, unpack, nullptr,
+                                 gl::NonCubeTextureTypeToTarget(createType), 0, area,
+                                 incompleteTextureParam.format, incompleteTextureParam.type,
+                                 *incompleteCubeArrayPixels));
+    }
+    else if (type == gl::TextureType::_2DMultisample)
+    {
+        // Call a specialized clear function to init a multisample texture.
+        ANGLE_TRY(multisampleInitializer->initializeMultisampleTextureToBlack(context, t.get()));
+    }
+    else if (type == gl::TextureType::Buffer)
+    {
+        ANGLE_TRY(t->setBuffer(context, mIncompleteTextureBufferAttachment,
+                               incompleteTextureParam.sizedInternalFormat));
+    }
+    else
+    {
+        ANGLE_TRY(t->setSubImage(mutableContext, unpack, nullptr,
+                                 gl::NonCubeTextureTypeToTarget(createType), 0, area,
+                                 incompleteTextureParam.format, incompleteTextureParam.type,
+                                 incompleteTextureParam.clearColor));
+    }
+
+    if (format == gl::SamplerFormat::Shadow)
+    {
+        // To avoid the undefined spec behavior for shadow samplers with a depth texture, we set the
+        // compare mode to GL_COMPARE_REF_TO_TEXTURE
+        ASSERT(!t->hasObservers());
+        t->setCompareMode(context, GL_COMPARE_REF_TO_TEXTURE);
+    }
+
+    ANGLE_TRY(t->syncState(context, gl::Command::Other));
+
+    mIncompleteTextures[format][type].set(context, t.release());
+    *textureOut = mIncompleteTextures[format][type].get();
+    return angle::Result::Continue;
+}
+
+#define ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(api, cols, rows) \
+    template void SetFloatUniformMatrix##api<cols, rows>::Run(     \
+        unsigned int, unsigned int, GLsizei, GLboolean, const GLfloat *, uint8_t *)
+
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(GLSL, 2, 2);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(GLSL, 3, 3);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(GLSL, 2, 3);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(GLSL, 3, 2);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(GLSL, 4, 2);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(GLSL, 4, 3);
+
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(HLSL, 2, 2);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(HLSL, 3, 3);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(HLSL, 2, 3);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(HLSL, 3, 2);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(HLSL, 2, 4);
+ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC(HLSL, 3, 4);
+
+#undef ANGLE_INSTANTIATE_SET_UNIFORM_MATRIX_FUNC
+
+#define ANGLE_SPECIALIZATION_ROWS_SET_UNIFORM_MATRIX_FUNC(api, cols, rows)                      \
+    template void SetFloatUniformMatrix##api<cols, 4>::Run(unsigned int, unsigned int, GLsizei, \
+                                                           GLboolean, const GLfloat *, uint8_t *)
+
+template <int cols>
+struct SetFloatUniformMatrixGLSL<cols, 4>
+{
+    static void Run(unsigned int arrayElementOffset,
+                    unsigned int elementCount,
+                    GLsizei countIn,
+                    GLboolean transpose,
+                    const GLfloat *value,
+                    uint8_t *targetData);
+};
+
+ANGLE_SPECIALIZATION_ROWS_SET_UNIFORM_MATRIX_FUNC(GLSL, 2, 4);
+ANGLE_SPECIALIZATION_ROWS_SET_UNIFORM_MATRIX_FUNC(GLSL, 3, 4);
+ANGLE_SPECIALIZATION_ROWS_SET_UNIFORM_MATRIX_FUNC(GLSL, 4, 4);
+
+#undef ANGLE_SPECIALIZATION_ROWS_SET_UNIFORM_MATRIX_FUNC
+
+#define ANGLE_SPECIALIZATION_COLS_SET_UNIFORM_MATRIX_FUNC(api, cols, rows)                      \
+    template void SetFloatUniformMatrix##api<4, rows>::Run(unsigned int, unsigned int, GLsizei, \
+                                                           GLboolean, const GLfloat *, uint8_t *)
+
+template <int rows>
+struct SetFloatUniformMatrixHLSL<4, rows>
+{
+    static void Run(unsigned int arrayElementOffset,
+                    unsigned int elementCount,
+                    GLsizei countIn,
+                    GLboolean transpose,
+                    const GLfloat *value,
+                    uint8_t *targetData);
+};
+
+ANGLE_SPECIALIZATION_COLS_SET_UNIFORM_MATRIX_FUNC(HLSL, 4, 2);
+ANGLE_SPECIALIZATION_COLS_SET_UNIFORM_MATRIX_FUNC(HLSL, 4, 3);
+ANGLE_SPECIALIZATION_COLS_SET_UNIFORM_MATRIX_FUNC(HLSL, 4, 4);
+
+#undef ANGLE_SPECIALIZATION_COLS_SET_UNIFORM_MATRIX_FUNC
+
+template <int cols>
+void SetFloatUniformMatrixGLSL<cols, 4>::Run(unsigned int arrayElementOffset,
+                                             unsigned int elementCount,
+                                             GLsizei countIn,
+                                             GLboolean transpose,
+                                             const GLfloat *value,
+                                             uint8_t *targetData)
+{
+    const bool isSrcColumnMajor = !transpose;
+    if (isSrcColumnMajor)
+    {
+        // Both src and dst matrixs are has same layout,
+        // a single memcpy updates all the matrices
+        constexpr size_t srcMatrixSize = sizeof(GLfloat) * cols * 4;
+        SetFloatUniformMatrixFast(arrayElementOffset, elementCount, countIn, srcMatrixSize, value,
+                                  targetData);
+    }
+    else
+    {
+        // fallback to general cases
+        SetFloatUniformMatrix<false, cols, 4, true, cols, 4>(arrayElementOffset, elementCount,
+                                                             countIn, value, targetData);
+    }
+}
+
+template <int cols, int rows>
+void SetFloatUniformMatrixGLSL<cols, rows>::Run(unsigned int arrayElementOffset,
+                                                unsigned int elementCount,
+                                                GLsizei countIn,
+                                                GLboolean transpose,
+                                                const GLfloat *value,
+                                                uint8_t *targetData)
+{
+    const bool isSrcColumnMajor = !transpose;
+    // GLSL expects matrix uniforms to be column-major, and each column is padded to 4 rows.
+    if (isSrcColumnMajor)
+    {
+        SetFloatUniformMatrix<true, cols, rows, true, cols, 4>(arrayElementOffset, elementCount,
+                                                               countIn, value, targetData);
+    }
+    else
+    {
+        SetFloatUniformMatrix<false, cols, rows, true, cols, 4>(arrayElementOffset, elementCount,
+                                                                countIn, value, targetData);
+    }
+}
+
+template <int rows>
+void SetFloatUniformMatrixHLSL<4, rows>::Run(unsigned int arrayElementOffset,
+                                             unsigned int elementCount,
+                                             GLsizei countIn,
+                                             GLboolean transpose,
+                                             const GLfloat *value,
+                                             uint8_t *targetData)
+{
+    const bool isSrcColumnMajor = !transpose;
+    if (!isSrcColumnMajor)
+    {
+        // Both src and dst matrixs are has same layout,
+        // a single memcpy updates all the matrices
+        constexpr size_t srcMatrixSize = sizeof(GLfloat) * 4 * rows;
+        SetFloatUniformMatrixFast(arrayElementOffset, elementCount, countIn, srcMatrixSize, value,
+                                  targetData);
+    }
+    else
+    {
+        // fallback to general cases
+        SetFloatUniformMatrix<true, 4, rows, false, 4, rows>(arrayElementOffset, elementCount,
+                                                             countIn, value, targetData);
+    }
+}
+
+template <int cols, int rows>
+void SetFloatUniformMatrixHLSL<cols, rows>::Run(unsigned int arrayElementOffset,
+                                                unsigned int elementCount,
+                                                GLsizei countIn,
+                                                GLboolean transpose,
+                                                const GLfloat *value,
+                                                uint8_t *targetData)
+{
+    const bool isSrcColumnMajor = !transpose;
+    // Internally store matrices as row-major to accomodate HLSL matrix indexing.  Each row is
+    // padded to 4 columns.
+    if (!isSrcColumnMajor)
+    {
+        SetFloatUniformMatrix<false, cols, rows, false, 4, rows>(arrayElementOffset, elementCount,
+                                                                 countIn, value, targetData);
+    }
+    else
+    {
+        SetFloatUniformMatrix<true, cols, rows, false, 4, rows>(arrayElementOffset, elementCount,
+                                                                countIn, value, targetData);
+    }
+}
+
+template void GetMatrixUniform<GLint>(GLenum, GLint *, const GLint *, bool);
+template void GetMatrixUniform<GLuint>(GLenum, GLuint *, const GLuint *, bool);
+
+void GetMatrixUniform(GLenum type, GLfloat *dataOut, const GLfloat *source, bool transpose)
+{
+    int columns = gl::VariableColumnCount(type);
+    int rows    = gl::VariableRowCount(type);
+    for (GLint col = 0; col < columns; ++col)
+    {
+        for (GLint row = 0; row < rows; ++row)
+        {
+            GLfloat *outptr = dataOut + ((col * rows) + row);
+            const GLfloat *inptr =
+                transpose ? source + ((row * 4) + col) : source + ((col * 4) + row);
+            *outptr = *inptr;
+        }
+    }
+}
+
+template <typename NonFloatT>
+void GetMatrixUniform(GLenum type, NonFloatT *dataOut, const NonFloatT *source, bool transpose)
+{
+    UNREACHABLE();
+}
+
+const angle::Format &GetFormatFromFormatType(GLenum format, GLenum type)
+{
+    GLenum sizedInternalFormat    = gl::GetInternalFormatInfo(format, type).sizedInternalFormat;
+    angle::FormatID angleFormatID = angle::Format::InternalFormatToID(sizedInternalFormat);
+    return angle::Format::Get(angleFormatID);
+}
+
+angle::Result ComputeStartVertex(ContextImpl *contextImpl,
+                                 const gl::IndexRange &indexRange,
+                                 GLint baseVertex,
+                                 GLint *firstVertexOut)
+{
+    // The entire index range should be within the limits of a 32-bit uint because the largest
+    // GL index type is GL_UNSIGNED_INT.
+    ASSERT(indexRange.start <= std::numeric_limits<uint32_t>::max() &&
+           indexRange.end <= std::numeric_limits<uint32_t>::max());
+
+    // The base vertex is only used in DrawElementsIndirect. Given the assertion above and the
+    // type of mBaseVertex (GLint), adding them both as 64-bit ints is safe.
+    int64_t startVertexInt64 =
+        static_cast<int64_t>(baseVertex) + static_cast<int64_t>(indexRange.start);
+
+    // OpenGL ES 3.2 spec section 10.5: "Behavior of DrawElementsOneInstance is undefined if the
+    // vertex ID is negative for any element"
+    ANGLE_CHECK_GL_MATH(contextImpl, startVertexInt64 >= 0);
+
+    // OpenGL ES 3.2 spec section 10.5: "If the vertex ID is larger than the maximum value
+    // representable by type, it should behave as if the calculation were upconverted to 32-bit
+    // unsigned integers(with wrapping on overflow conditions)." ANGLE does not fully handle
+    // these rules, an overflow error is returned if the start vertex cannot be stored in a
+    // 32-bit signed integer.
+    ANGLE_CHECK_GL_MATH(contextImpl, startVertexInt64 <= std::numeric_limits<GLint>::max());
+
+    *firstVertexOut = static_cast<GLint>(startVertexInt64);
+    return angle::Result::Continue;
+}
+
+angle::Result GetVertexRangeInfo(const gl::Context *context,
+                                 GLint firstVertex,
+                                 GLsizei vertexOrIndexCount,
+                                 gl::DrawElementsType indexTypeOrInvalid,
+                                 const void *indices,
+                                 GLint baseVertex,
+                                 GLint *startVertexOut,
+                                 size_t *vertexCountOut)
+{
+    if (indexTypeOrInvalid != gl::DrawElementsType::InvalidEnum)
+    {
+        gl::IndexRange indexRange;
+        ANGLE_TRY(context->getState().getVertexArray()->getIndexRange(
+            context, indexTypeOrInvalid, vertexOrIndexCount, indices, &indexRange));
+        ANGLE_TRY(ComputeStartVertex(context->getImplementation(), indexRange, baseVertex,
+                                     startVertexOut));
+        *vertexCountOut = indexRange.vertexCount();
+    }
+    else
+    {
+        *startVertexOut = firstVertex;
+        *vertexCountOut = vertexOrIndexCount;
+    }
+    return angle::Result::Continue;
+}
+
+gl::Rectangle ClipRectToScissor(const gl::State &glState, const gl::Rectangle &rect, bool invertY)
+{
+    // If the scissor test isn't enabled, assume it has infinite size.  Its intersection with the
+    // rect would be the rect itself.
+    //
+    // Note that on Vulkan, returning this (as opposed to a fixed max-int-sized rect) could lead to
+    // unnecessary pipeline creations if two otherwise identical pipelines are used on framebuffers
+    // with different sizes.  If such usage is observed in an application, we should investigate
+    // possible optimizations.
+    if (!glState.isScissorTestEnabled())
+    {
+        return rect;
+    }
+
+    gl::Rectangle clippedRect;
+    if (!gl::ClipRectangle(glState.getScissor(), rect, &clippedRect))
+    {
+        return gl::Rectangle();
+    }
+
+    if (invertY)
+    {
+        clippedRect.y = rect.height - clippedRect.y - clippedRect.height;
+    }
+
+    return clippedRect;
+}
+
+void LogFeatureStatus(const angle::FeatureSetBase &features,
+                      const std::vector<std::string> &featureNames,
+                      bool enabled)
+{
+    for (const std::string &name : featureNames)
+    {
+        const bool hasWildcard = name.back() == '*';
+        for (auto iter : features.getFeatures())
+        {
+            const std::string &featureName = iter.first;
+
+            if (!angle::FeatureNameMatch(featureName, name))
+            {
+                continue;
+            }
+
+            INFO() << "Feature: " << featureName << (enabled ? " enabled" : " disabled");
+
+            if (!hasWildcard)
+            {
+                break;
+            }
+        }
+    }
+}
+
+void ApplyFeatureOverrides(angle::FeatureSetBase *features, const egl::DisplayState &state)
+{
+    features->overrideFeatures(state.featureOverridesEnabled, true);
+    features->overrideFeatures(state.featureOverridesDisabled, false);
+
+    // Override with environment as well.
+    constexpr char kAngleFeatureOverridesEnabledEnvName[]  = "ANGLE_FEATURE_OVERRIDES_ENABLED";
+    constexpr char kAngleFeatureOverridesDisabledEnvName[] = "ANGLE_FEATURE_OVERRIDES_DISABLED";
+    constexpr char kAngleFeatureOverridesEnabledPropertyName[] =
+        "debug.angle.feature_overrides_enabled";
+    constexpr char kAngleFeatureOverridesDisabledPropertyName[] =
+        "debug.angle.feature_overrides_disabled";
+    std::vector<std::string> overridesEnabled =
+        angle::GetCachedStringsFromEnvironmentVarOrAndroidProperty(
+            kAngleFeatureOverridesEnabledEnvName, kAngleFeatureOverridesEnabledPropertyName, ":");
+    std::vector<std::string> overridesDisabled =
+        angle::GetCachedStringsFromEnvironmentVarOrAndroidProperty(
+            kAngleFeatureOverridesDisabledEnvName, kAngleFeatureOverridesDisabledPropertyName, ":");
+
+    features->overrideFeatures(overridesEnabled, true);
+    LogFeatureStatus(*features, overridesEnabled, true);
+
+    features->overrideFeatures(overridesDisabled, false);
+    LogFeatureStatus(*features, overridesDisabled, false);
+}
+
+void GetSamplePosition(GLsizei sampleCount, size_t index, GLfloat *xy)
+{
+    ASSERT(gl::isPow2(sampleCount));
+    if (sampleCount > 16)
+    {
+        // Vulkan (and D3D11) doesn't have standard sample positions for 32 and 64 samples (and no
+        // drivers are known to support that many samples)
+        xy[0] = 0.5f;
+        xy[1] = 0.5f;
+    }
+    else
+    {
+        size_t indexKey = static_cast<size_t>(gl::log2(sampleCount));
+        ASSERT(indexKey < kSamplePositions.size() &&
+               (2 * index + 1) < kSamplePositions[indexKey].size());
+
+        xy[0] = kSamplePositions[indexKey][2 * index];
+        xy[1] = kSamplePositions[indexKey][2 * index + 1];
+    }
+}
+
+// These macros are to avoid code too much duplication for variations of multi draw types
+#define DRAW_ARRAYS__ contextImpl->drawArrays(context, mode, firsts[drawID], counts[drawID])
+#define DRAW_ARRAYS_INSTANCED_                                                      \
+    contextImpl->drawArraysInstanced(context, mode, firsts[drawID], counts[drawID], \
+                                     instanceCounts[drawID])
+#define DRAW_ELEMENTS__ \
+    contextImpl->drawElements(context, mode, counts[drawID], type, indices[drawID])
+#define DRAW_ELEMENTS_INSTANCED_                                                             \
+    contextImpl->drawElementsInstanced(context, mode, counts[drawID], type, indices[drawID], \
+                                       instanceCounts[drawID])
+#define DRAW_ARRAYS_INSTANCED_BASE_INSTANCE                                                     \
+    contextImpl->drawArraysInstancedBaseInstance(context, mode, firsts[drawID], counts[drawID], \
+                                                 instanceCounts[drawID], baseInstances[drawID])
+#define DRAW_ELEMENTS_INSTANCED_BASE_VERTEX_BASE_INSTANCE                             \
+    contextImpl->drawElementsInstancedBaseVertexBaseInstance(                         \
+        context, mode, counts[drawID], type, indices[drawID], instanceCounts[drawID], \
+        baseVertices[drawID], baseInstances[drawID])
+#define DRAW_CALL(drawType, instanced, bvbi) DRAW_##drawType##instanced##bvbi
+
+#define MULTI_DRAW_BLOCK(drawType, instanced, bvbi, hasDrawID, hasBaseVertex, hasBaseInstance) \
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)                                     \
+    {                                                                                          \
+        if (ANGLE_NOOP_DRAW(instanced))                                                        \
+        {                                                                                      \
+            ANGLE_TRY(contextImpl->handleNoopDrawEvent());                                     \
+            continue;                                                                          \
+        }                                                                                      \
+        ANGLE_SET_DRAW_ID_UNIFORM(hasDrawID)(drawID);                                          \
+        ANGLE_SET_BASE_VERTEX_UNIFORM(hasBaseVertex)(baseVertices[drawID]);                    \
+        ANGLE_SET_BASE_INSTANCE_UNIFORM(hasBaseInstance)(baseInstances[drawID]);               \
+        ANGLE_TRY(DRAW_CALL(drawType, instanced, bvbi));                                       \
+        ANGLE_MARK_TRANSFORM_FEEDBACK_USAGE(instanced);                                        \
+        gl::MarkShaderStorageUsage(context);                                                   \
+    }
+
+angle::Result MultiDrawArraysGeneral(ContextImpl *contextImpl,
+                                     const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     const GLint *firsts,
+                                     const GLsizei *counts,
+                                     GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result MultiDrawArraysIndirectGeneral(ContextImpl *contextImpl,
+                                             const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             const void *indirect,
+                                             GLsizei drawcount,
+                                             GLsizei stride)
+{
+    const GLubyte *indirectPtr = static_cast<const GLubyte *>(indirect);
+
+    for (auto count = 0; count < drawcount; count++)
+    {
+        ANGLE_TRY(contextImpl->drawArraysIndirect(
+            context, mode, reinterpret_cast<const gl::DrawArraysIndirectCommand *>(indirectPtr)));
+        if (stride == 0)
+        {
+            indirectPtr += sizeof(gl::DrawArraysIndirectCommand);
+        }
+        else
+        {
+            indirectPtr += stride;
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result MultiDrawArraysInstancedGeneral(ContextImpl *contextImpl,
+                                              const gl::Context *context,
+                                              gl::PrimitiveMode mode,
+                                              const GLint *firsts,
+                                              const GLsizei *counts,
+                                              const GLsizei *instanceCounts,
+                                              GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result MultiDrawElementsGeneral(ContextImpl *contextImpl,
+                                       const gl::Context *context,
+                                       gl::PrimitiveMode mode,
+                                       const GLsizei *counts,
+                                       gl::DrawElementsType type,
+                                       const GLvoid *const *indices,
+                                       GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result MultiDrawElementsIndirectGeneral(ContextImpl *contextImpl,
+                                               const gl::Context *context,
+                                               gl::PrimitiveMode mode,
+                                               gl::DrawElementsType type,
+                                               const void *indirect,
+                                               GLsizei drawcount,
+                                               GLsizei stride)
+{
+    const GLubyte *indirectPtr = static_cast<const GLubyte *>(indirect);
+
+    for (auto count = 0; count < drawcount; count++)
+    {
+        ANGLE_TRY(contextImpl->drawElementsIndirect(
+            context, mode, type,
+            reinterpret_cast<const gl::DrawElementsIndirectCommand *>(indirectPtr)));
+        if (stride == 0)
+        {
+            indirectPtr += sizeof(gl::DrawElementsIndirectCommand);
+        }
+        else
+        {
+            indirectPtr += stride;
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result MultiDrawElementsInstancedGeneral(ContextImpl *contextImpl,
+                                                const gl::Context *context,
+                                                gl::PrimitiveMode mode,
+                                                const GLsizei *counts,
+                                                gl::DrawElementsType type,
+                                                const GLvoid *const *indices,
+                                                const GLsizei *instanceCounts,
+                                                GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _, 1, 0, 0)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result MultiDrawArraysInstancedBaseInstanceGeneral(ContextImpl *contextImpl,
+                                                          const gl::Context *context,
+                                                          gl::PrimitiveMode mode,
+                                                          const GLint *firsts,
+                                                          const GLsizei *counts,
+                                                          const GLsizei *instanceCounts,
+                                                          const GLuint *baseInstances,
+                                                          GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    const bool hasBaseInstance = programObject && programObject->hasBaseInstanceUniform();
+    ResetBaseVertexBaseInstance resetUniforms(programObject, false, hasBaseInstance);
+
+    if (hasDrawID && hasBaseInstance)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 1, 0, 1)
+    }
+    else if (hasDrawID)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 1, 0, 0)
+    }
+    else if (hasBaseInstance)
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 0, 0, 1)
+    }
+    else
+    {
+        MULTI_DRAW_BLOCK(ARRAYS, _INSTANCED, _BASE_INSTANCE, 0, 0, 0)
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result MultiDrawElementsInstancedBaseVertexBaseInstanceGeneral(ContextImpl *contextImpl,
+                                                                      const gl::Context *context,
+                                                                      gl::PrimitiveMode mode,
+                                                                      const GLsizei *counts,
+                                                                      gl::DrawElementsType type,
+                                                                      const GLvoid *const *indices,
+                                                                      const GLsizei *instanceCounts,
+                                                                      const GLint *baseVertices,
+                                                                      const GLuint *baseInstances,
+                                                                      GLsizei drawcount)
+{
+    gl::Program *programObject = context->getState().getLinkedProgram(context);
+    const bool hasDrawID       = programObject && programObject->hasDrawIDUniform();
+    const bool hasBaseVertex   = programObject && programObject->hasBaseVertexUniform();
+    const bool hasBaseInstance = programObject && programObject->hasBaseInstanceUniform();
+    ResetBaseVertexBaseInstance resetUniforms(programObject, hasBaseVertex, hasBaseInstance);
+
+    if (hasDrawID)
+    {
+        if (hasBaseVertex)
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 1, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 1, 0)
+            }
+        }
+        else
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 0, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 1, 0, 0)
+            }
+        }
+    }
+    else
+    {
+        if (hasBaseVertex)
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 1, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 1, 0)
+            }
+        }
+        else
+        {
+            if (hasBaseInstance)
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 0, 1)
+            }
+            else
+            {
+                MULTI_DRAW_BLOCK(ELEMENTS, _INSTANCED, _BASE_VERTEX_BASE_INSTANCE, 0, 0, 0)
+            }
+        }
+    }
+
+    return angle::Result::Continue;
+}
+
+ResetBaseVertexBaseInstance::ResetBaseVertexBaseInstance(gl::Program *programObject,
+                                                         bool resetBaseVertex,
+                                                         bool resetBaseInstance)
+    : mProgramObject(programObject),
+      mResetBaseVertex(resetBaseVertex),
+      mResetBaseInstance(resetBaseInstance)
+{}
+
+ResetBaseVertexBaseInstance::~ResetBaseVertexBaseInstance()
+{
+    if (mProgramObject)
+    {
+        // Reset emulated uniforms to zero to avoid affecting other draw calls
+        if (mResetBaseVertex)
+        {
+            mProgramObject->setBaseVertexUniform(0);
+        }
+
+        if (mResetBaseInstance)
+        {
+            mProgramObject->setBaseInstanceUniform(0);
+        }
+    }
+}
+
+angle::FormatID ConvertToSRGB(angle::FormatID formatID)
+{
+    switch (formatID)
+    {
+        case angle::FormatID::R8_UNORM:
+            return angle::FormatID::R8_UNORM_SRGB;
+        case angle::FormatID::R8G8_UNORM:
+            return angle::FormatID::R8G8_UNORM_SRGB;
+        case angle::FormatID::R8G8B8_UNORM:
+            return angle::FormatID::R8G8B8_UNORM_SRGB;
+        case angle::FormatID::R8G8B8A8_UNORM:
+            return angle::FormatID::R8G8B8A8_UNORM_SRGB;
+        case angle::FormatID::B8G8R8A8_UNORM:
+            return angle::FormatID::B8G8R8A8_UNORM_SRGB;
+        case angle::FormatID::BC1_RGB_UNORM_BLOCK:
+            return angle::FormatID::BC1_RGB_UNORM_SRGB_BLOCK;
+        case angle::FormatID::BC1_RGBA_UNORM_BLOCK:
+            return angle::FormatID::BC1_RGBA_UNORM_SRGB_BLOCK;
+        case angle::FormatID::BC2_RGBA_UNORM_BLOCK:
+            return angle::FormatID::BC2_RGBA_UNORM_SRGB_BLOCK;
+        case angle::FormatID::BC3_RGBA_UNORM_BLOCK:
+            return angle::FormatID::BC3_RGBA_UNORM_SRGB_BLOCK;
+        case angle::FormatID::BC7_RGBA_UNORM_BLOCK:
+            return angle::FormatID::BC7_RGBA_UNORM_SRGB_BLOCK;
+        case angle::FormatID::ETC2_R8G8B8_UNORM_BLOCK:
+            return angle::FormatID::ETC2_R8G8B8_SRGB_BLOCK;
+        case angle::FormatID::ETC2_R8G8B8A1_UNORM_BLOCK:
+            return angle::FormatID::ETC2_R8G8B8A1_SRGB_BLOCK;
+        case angle::FormatID::ETC2_R8G8B8A8_UNORM_BLOCK:
+            return angle::FormatID::ETC2_R8G8B8A8_SRGB_BLOCK;
+        case angle::FormatID::ASTC_4x4_UNORM_BLOCK:
+            return angle::FormatID::ASTC_4x4_SRGB_BLOCK;
+        case angle::FormatID::ASTC_5x4_UNORM_BLOCK:
+            return angle::FormatID::ASTC_5x4_SRGB_BLOCK;
+        case angle::FormatID::ASTC_5x5_UNORM_BLOCK:
+            return angle::FormatID::ASTC_5x5_SRGB_BLOCK;
+        case angle::FormatID::ASTC_6x5_UNORM_BLOCK:
+            return angle::FormatID::ASTC_6x5_SRGB_BLOCK;
+        case angle::FormatID::ASTC_6x6_UNORM_BLOCK:
+            return angle::FormatID::ASTC_6x6_SRGB_BLOCK;
+        case angle::FormatID::ASTC_8x5_UNORM_BLOCK:
+            return angle::FormatID::ASTC_8x5_SRGB_BLOCK;
+        case angle::FormatID::ASTC_8x6_UNORM_BLOCK:
+            return angle::FormatID::ASTC_8x6_SRGB_BLOCK;
+        case angle::FormatID::ASTC_8x8_UNORM_BLOCK:
+            return angle::FormatID::ASTC_8x8_SRGB_BLOCK;
+        case angle::FormatID::ASTC_10x5_UNORM_BLOCK:
+            return angle::FormatID::ASTC_10x5_SRGB_BLOCK;
+        case angle::FormatID::ASTC_10x6_UNORM_BLOCK:
+            return angle::FormatID::ASTC_10x6_SRGB_BLOCK;
+        case angle::FormatID::ASTC_10x8_UNORM_BLOCK:
+            return angle::FormatID::ASTC_10x8_SRGB_BLOCK;
+        case angle::FormatID::ASTC_10x10_UNORM_BLOCK:
+            return angle::FormatID::ASTC_10x10_SRGB_BLOCK;
+        case angle::FormatID::ASTC_12x10_UNORM_BLOCK:
+            return angle::FormatID::ASTC_12x10_SRGB_BLOCK;
+        case angle::FormatID::ASTC_12x12_UNORM_BLOCK:
+            return angle::FormatID::ASTC_12x12_SRGB_BLOCK;
+        default:
+            return angle::FormatID::NONE;
+    }
+}
+
+angle::FormatID ConvertToLinear(angle::FormatID formatID)
+{
+    switch (formatID)
+    {
+        case angle::FormatID::R8_UNORM_SRGB:
+            return angle::FormatID::R8_UNORM;
+        case angle::FormatID::R8G8_UNORM_SRGB:
+            return angle::FormatID::R8G8_UNORM;
+        case angle::FormatID::R8G8B8_UNORM_SRGB:
+            return angle::FormatID::R8G8B8_UNORM;
+        case angle::FormatID::R8G8B8A8_UNORM_SRGB:
+            return angle::FormatID::R8G8B8A8_UNORM;
+        case angle::FormatID::B8G8R8A8_UNORM_SRGB:
+            return angle::FormatID::B8G8R8A8_UNORM;
+        case angle::FormatID::BC1_RGB_UNORM_SRGB_BLOCK:
+            return angle::FormatID::BC1_RGB_UNORM_BLOCK;
+        case angle::FormatID::BC1_RGBA_UNORM_SRGB_BLOCK:
+            return angle::FormatID::BC1_RGBA_UNORM_BLOCK;
+        case angle::FormatID::BC2_RGBA_UNORM_SRGB_BLOCK:
+            return angle::FormatID::BC2_RGBA_UNORM_BLOCK;
+        case angle::FormatID::BC3_RGBA_UNORM_SRGB_BLOCK:
+            return angle::FormatID::BC3_RGBA_UNORM_BLOCK;
+        case angle::FormatID::BC7_RGBA_UNORM_SRGB_BLOCK:
+            return angle::FormatID::BC7_RGBA_UNORM_BLOCK;
+        case angle::FormatID::ETC2_R8G8B8_SRGB_BLOCK:
+            return angle::FormatID::ETC2_R8G8B8_UNORM_BLOCK;
+        case angle::FormatID::ETC2_R8G8B8A1_SRGB_BLOCK:
+            return angle::FormatID::ETC2_R8G8B8A1_UNORM_BLOCK;
+        case angle::FormatID::ETC2_R8G8B8A8_SRGB_BLOCK:
+            return angle::FormatID::ETC2_R8G8B8A8_UNORM_BLOCK;
+        case angle::FormatID::ASTC_4x4_SRGB_BLOCK:
+            return angle::FormatID::ASTC_4x4_UNORM_BLOCK;
+        case angle::FormatID::ASTC_5x4_SRGB_BLOCK:
+            return angle::FormatID::ASTC_5x4_UNORM_BLOCK;
+        case angle::FormatID::ASTC_5x5_SRGB_BLOCK:
+            return angle::FormatID::ASTC_5x5_UNORM_BLOCK;
+        case angle::FormatID::ASTC_6x5_SRGB_BLOCK:
+            return angle::FormatID::ASTC_6x5_UNORM_BLOCK;
+        case angle::FormatID::ASTC_6x6_SRGB_BLOCK:
+            return angle::FormatID::ASTC_6x6_UNORM_BLOCK;
+        case angle::FormatID::ASTC_8x5_SRGB_BLOCK:
+            return angle::FormatID::ASTC_8x5_UNORM_BLOCK;
+        case angle::FormatID::ASTC_8x6_SRGB_BLOCK:
+            return angle::FormatID::ASTC_8x6_UNORM_BLOCK;
+        case angle::FormatID::ASTC_8x8_SRGB_BLOCK:
+            return angle::FormatID::ASTC_8x8_UNORM_BLOCK;
+        case angle::FormatID::ASTC_10x5_SRGB_BLOCK:
+            return angle::FormatID::ASTC_10x5_UNORM_BLOCK;
+        case angle::FormatID::ASTC_10x6_SRGB_BLOCK:
+            return angle::FormatID::ASTC_10x6_UNORM_BLOCK;
+        case angle::FormatID::ASTC_10x8_SRGB_BLOCK:
+            return angle::FormatID::ASTC_10x8_UNORM_BLOCK;
+        case angle::FormatID::ASTC_10x10_SRGB_BLOCK:
+            return angle::FormatID::ASTC_10x10_UNORM_BLOCK;
+        case angle::FormatID::ASTC_12x10_SRGB_BLOCK:
+            return angle::FormatID::ASTC_12x10_UNORM_BLOCK;
+        case angle::FormatID::ASTC_12x12_SRGB_BLOCK:
+            return angle::FormatID::ASTC_12x12_UNORM_BLOCK;
+        default:
+            return angle::FormatID::NONE;
+    }
+}
+
+bool IsOverridableLinearFormat(angle::FormatID formatID)
+{
+    return ConvertToSRGB(formatID) != angle::FormatID::NONE;
+}
+}  // namespace rx
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/renderer_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/renderer_utils.h
new file mode 100644
index 0000000000..92002db56f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/renderer_utils.h
@@ -0,0 +1,499 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// renderer_utils:
+//   Helper methods pertaining to most or all back-ends.
+//
+
+#ifndef LIBANGLE_RENDERER_RENDERER_UTILS_H_
+#define LIBANGLE_RENDERER_RENDERER_UTILS_H_
+
+#include <cstdint>
+
+#include <limits>
+#include <map>
+
+#include "GLSLANG/ShaderLang.h"
+#include "common/angleutils.h"
+#include "common/utilities.h"
+#include "libANGLE/angletypes.h"
+
+namespace angle
+{
+struct FeatureSetBase;
+struct Format;
+enum class FormatID;
+}  // namespace angle
+
+namespace gl
+{
+struct FormatType;
+struct InternalFormat;
+class State;
+}  // namespace gl
+
+namespace egl
+{
+class AttributeMap;
+struct DisplayState;
+}  // namespace egl
+
+namespace rx
+{
+class ContextImpl;
+
+// The possible rotations of the surface/draw framebuffer, particularly for the Vulkan back-end on
+// Android.
+enum class SurfaceRotation
+{
+    Identity,
+    Rotated90Degrees,
+    Rotated180Degrees,
+    Rotated270Degrees,
+    FlippedIdentity,
+    FlippedRotated90Degrees,
+    FlippedRotated180Degrees,
+    FlippedRotated270Degrees,
+
+    InvalidEnum,
+    EnumCount = InvalidEnum,
+};
+
+bool IsRotatedAspectRatio(SurfaceRotation rotation);
+
+using SpecConstUsageBits = angle::PackedEnumBitSet<sh::vk::SpecConstUsage, uint32_t>;
+
+void RotateRectangle(const SurfaceRotation rotation,
+                     const bool flipY,
+                     const int framebufferWidth,
+                     const int framebufferHeight,
+                     const gl::Rectangle &incoming,
+                     gl::Rectangle *outgoing);
+
+using MipGenerationFunction = void (*)(size_t sourceWidth,
+                                       size_t sourceHeight,
+                                       size_t sourceDepth,
+                                       const uint8_t *sourceData,
+                                       size_t sourceRowPitch,
+                                       size_t sourceDepthPitch,
+                                       uint8_t *destData,
+                                       size_t destRowPitch,
+                                       size_t destDepthPitch);
+
+typedef void (*PixelReadFunction)(const uint8_t *source, uint8_t *dest);
+typedef void (*PixelWriteFunction)(const uint8_t *source, uint8_t *dest);
+typedef void (*FastCopyFunction)(const uint8_t *source,
+                                 int srcXAxisPitch,
+                                 int srcYAxisPitch,
+                                 uint8_t *dest,
+                                 int destXAxisPitch,
+                                 int destYAxisPitch,
+                                 int width,
+                                 int height);
+
+class FastCopyFunctionMap
+{
+  public:
+    struct Entry
+    {
+        angle::FormatID formatID;
+        FastCopyFunction func;
+    };
+
+    constexpr FastCopyFunctionMap() : FastCopyFunctionMap(nullptr, 0) {}
+
+    constexpr FastCopyFunctionMap(const Entry *data, size_t size) : mSize(size), mData(data) {}
+
+    bool has(angle::FormatID formatID) const;
+    FastCopyFunction get(angle::FormatID formatID) const;
+
+  private:
+    size_t mSize;
+    const Entry *mData;
+};
+
+struct PackPixelsParams
+{
+    PackPixelsParams();
+    PackPixelsParams(const gl::Rectangle &area,
+                     const angle::Format &destFormat,
+                     GLuint outputPitch,
+                     bool reverseRowOrderIn,
+                     gl::Buffer *packBufferIn,
+                     ptrdiff_t offset);
+
+    gl::Rectangle area;
+    const angle::Format *destFormat;
+    GLuint outputPitch;
+    gl::Buffer *packBuffer;
+    bool reverseRowOrder;
+    ptrdiff_t offset;
+    SurfaceRotation rotation;
+};
+
+void PackPixels(const PackPixelsParams &params,
+                const angle::Format &sourceFormat,
+                int inputPitch,
+                const uint8_t *source,
+                uint8_t *destination);
+
+using InitializeTextureDataFunction = void (*)(size_t width,
+                                               size_t height,
+                                               size_t depth,
+                                               uint8_t *output,
+                                               size_t outputRowPitch,
+                                               size_t outputDepthPitch);
+
+using LoadImageFunction = void (*)(size_t width,
+                                   size_t height,
+                                   size_t depth,
+                                   const uint8_t *input,
+                                   size_t inputRowPitch,
+                                   size_t inputDepthPitch,
+                                   uint8_t *output,
+                                   size_t outputRowPitch,
+                                   size_t outputDepthPitch);
+
+struct LoadImageFunctionInfo
+{
+    LoadImageFunctionInfo() : loadFunction(nullptr), requiresConversion(false) {}
+    LoadImageFunctionInfo(LoadImageFunction loadFunction, bool requiresConversion)
+        : loadFunction(loadFunction), requiresConversion(requiresConversion)
+    {}
+
+    LoadImageFunction loadFunction;
+    bool requiresConversion;
+};
+
+using LoadFunctionMap = LoadImageFunctionInfo (*)(GLenum);
+
+bool ShouldUseDebugLayers(const egl::AttributeMap &attribs);
+
+void CopyImageCHROMIUM(const uint8_t *sourceData,
+                       size_t sourceRowPitch,
+                       size_t sourcePixelBytes,
+                       size_t sourceDepthPitch,
+                       PixelReadFunction pixelReadFunction,
+                       uint8_t *destData,
+                       size_t destRowPitch,
+                       size_t destPixelBytes,
+                       size_t destDepthPitch,
+                       PixelWriteFunction pixelWriteFunction,
+                       GLenum destUnsizedFormat,
+                       GLenum destComponentType,
+                       size_t width,
+                       size_t height,
+                       size_t depth,
+                       bool unpackFlipY,
+                       bool unpackPremultiplyAlpha,
+                       bool unpackUnmultiplyAlpha);
+
+// Incomplete textures are 1x1 textures filled with black, used when samplers are incomplete.
+// This helper class encapsulates handling incomplete textures. Because the GL back-end
+// can take advantage of the driver's incomplete textures, and because clearing multisample
+// textures is so difficult, we can keep an instance of this class in the back-end instead
+// of moving the logic to the Context front-end.
+
+// This interface allows us to call-back to init a multisample texture.
+class MultisampleTextureInitializer
+{
+  public:
+    virtual ~MultisampleTextureInitializer() {}
+    virtual angle::Result initializeMultisampleTextureToBlack(const gl::Context *context,
+                                                              gl::Texture *glTexture) = 0;
+};
+
+class IncompleteTextureSet final : angle::NonCopyable
+{
+  public:
+    IncompleteTextureSet();
+    ~IncompleteTextureSet();
+
+    void onDestroy(const gl::Context *context);
+
+    angle::Result getIncompleteTexture(const gl::Context *context,
+                                       gl::TextureType type,
+                                       gl::SamplerFormat format,
+                                       MultisampleTextureInitializer *multisampleInitializer,
+                                       gl::Texture **textureOut);
+
+  private:
+    using TextureMapWithSamplerFormat = angle::PackedEnumMap<gl::SamplerFormat, gl::TextureMap>;
+
+    TextureMapWithSamplerFormat mIncompleteTextures;
+    gl::Buffer *mIncompleteTextureBufferAttachment;
+};
+
+// Helpers to set a matrix uniform value based on GLSL or HLSL semantics.
+// The return value indicate if the data was updated or not.
+template <int cols, int rows>
+struct SetFloatUniformMatrixGLSL
+{
+    static void Run(unsigned int arrayElementOffset,
+                    unsigned int elementCount,
+                    GLsizei countIn,
+                    GLboolean transpose,
+                    const GLfloat *value,
+                    uint8_t *targetData);
+};
+
+template <int cols, int rows>
+struct SetFloatUniformMatrixHLSL
+{
+    static void Run(unsigned int arrayElementOffset,
+                    unsigned int elementCount,
+                    GLsizei countIn,
+                    GLboolean transpose,
+                    const GLfloat *value,
+                    uint8_t *targetData);
+};
+
+// Helper method to de-tranpose a matrix uniform for an API query.
+void GetMatrixUniform(GLenum type, GLfloat *dataOut, const GLfloat *source, bool transpose);
+
+template <typename NonFloatT>
+void GetMatrixUniform(GLenum type, NonFloatT *dataOut, const NonFloatT *source, bool transpose);
+
+const angle::Format &GetFormatFromFormatType(GLenum format, GLenum type);
+
+angle::Result ComputeStartVertex(ContextImpl *contextImpl,
+                                 const gl::IndexRange &indexRange,
+                                 GLint baseVertex,
+                                 GLint *firstVertexOut);
+
+angle::Result GetVertexRangeInfo(const gl::Context *context,
+                                 GLint firstVertex,
+                                 GLsizei vertexOrIndexCount,
+                                 gl::DrawElementsType indexTypeOrInvalid,
+                                 const void *indices,
+                                 GLint baseVertex,
+                                 GLint *startVertexOut,
+                                 size_t *vertexCountOut);
+
+gl::Rectangle ClipRectToScissor(const gl::State &glState, const gl::Rectangle &rect, bool invertY);
+
+// Helper method to intialize a FeatureSet with overrides from the DisplayState
+void ApplyFeatureOverrides(angle::FeatureSetBase *features, const egl::DisplayState &state);
+
+template <typename In>
+uint32_t LineLoopRestartIndexCountHelper(GLsizei indexCount, const uint8_t *srcPtr)
+{
+    constexpr In restartIndex = gl::GetPrimitiveRestartIndexFromType<In>();
+    const In *inIndices       = reinterpret_cast<const In *>(srcPtr);
+    uint32_t numIndices       = 0;
+    // See CopyLineLoopIndicesWithRestart() below for more info on how
+    // numIndices is calculated.
+    GLsizei loopStartIndex = 0;
+    for (GLsizei curIndex = 0; curIndex < indexCount; curIndex++)
+    {
+        In vertex = inIndices[curIndex];
+        if (vertex != restartIndex)
+        {
+            numIndices++;
+        }
+        else
+        {
+            if (curIndex > loopStartIndex)
+            {
+                numIndices += 2;
+            }
+            loopStartIndex = curIndex + 1;
+        }
+    }
+    if (indexCount > loopStartIndex)
+    {
+        numIndices++;
+    }
+    return numIndices;
+}
+
+inline uint32_t GetLineLoopWithRestartIndexCount(gl::DrawElementsType glIndexType,
+                                                 GLsizei indexCount,
+                                                 const uint8_t *srcPtr)
+{
+    switch (glIndexType)
+    {
+        case gl::DrawElementsType::UnsignedByte:
+            return LineLoopRestartIndexCountHelper<uint8_t>(indexCount, srcPtr);
+        case gl::DrawElementsType::UnsignedShort:
+            return LineLoopRestartIndexCountHelper<uint16_t>(indexCount, srcPtr);
+        case gl::DrawElementsType::UnsignedInt:
+            return LineLoopRestartIndexCountHelper<uint32_t>(indexCount, srcPtr);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+// Writes the line-strip vertices for a line loop to outPtr,
+// where outLimit is calculated as in GetPrimitiveRestartIndexCount.
+template <typename In, typename Out>
+void CopyLineLoopIndicesWithRestart(GLsizei indexCount, const uint8_t *srcPtr, uint8_t *outPtr)
+{
+    constexpr In restartIndex     = gl::GetPrimitiveRestartIndexFromType<In>();
+    constexpr Out outRestartIndex = gl::GetPrimitiveRestartIndexFromType<Out>();
+    const In *inIndices           = reinterpret_cast<const In *>(srcPtr);
+    Out *outIndices               = reinterpret_cast<Out *>(outPtr);
+    GLsizei loopStartIndex        = 0;
+    for (GLsizei curIndex = 0; curIndex < indexCount; curIndex++)
+    {
+        In vertex = inIndices[curIndex];
+        if (vertex != restartIndex)
+        {
+            *(outIndices++) = static_cast<Out>(vertex);
+        }
+        else
+        {
+            if (curIndex > loopStartIndex)
+            {
+                // Emit an extra vertex only if the loop is not empty.
+                *(outIndices++) = inIndices[loopStartIndex];
+                // Then restart the strip.
+                *(outIndices++) = outRestartIndex;
+            }
+            loopStartIndex = curIndex + 1;
+        }
+    }
+    if (indexCount > loopStartIndex)
+    {
+        // Close the last loop if not empty.
+        *(outIndices++) = inIndices[loopStartIndex];
+    }
+}
+
+void GetSamplePosition(GLsizei sampleCount, size_t index, GLfloat *xy);
+
+angle::Result MultiDrawArraysGeneral(ContextImpl *contextImpl,
+                                     const gl::Context *context,
+                                     gl::PrimitiveMode mode,
+                                     const GLint *firsts,
+                                     const GLsizei *counts,
+                                     GLsizei drawcount);
+angle::Result MultiDrawArraysIndirectGeneral(ContextImpl *contextImpl,
+                                             const gl::Context *context,
+                                             gl::PrimitiveMode mode,
+                                             const void *indirect,
+                                             GLsizei drawcount,
+                                             GLsizei stride);
+angle::Result MultiDrawArraysInstancedGeneral(ContextImpl *contextImpl,
+                                              const gl::Context *context,
+                                              gl::PrimitiveMode mode,
+                                              const GLint *firsts,
+                                              const GLsizei *counts,
+                                              const GLsizei *instanceCounts,
+                                              GLsizei drawcount);
+angle::Result MultiDrawElementsGeneral(ContextImpl *contextImpl,
+                                       const gl::Context *context,
+                                       gl::PrimitiveMode mode,
+                                       const GLsizei *counts,
+                                       gl::DrawElementsType type,
+                                       const GLvoid *const *indices,
+                                       GLsizei drawcount);
+angle::Result MultiDrawElementsIndirectGeneral(ContextImpl *contextImpl,
+                                               const gl::Context *context,
+                                               gl::PrimitiveMode mode,
+                                               gl::DrawElementsType type,
+                                               const void *indirect,
+                                               GLsizei drawcount,
+                                               GLsizei stride);
+angle::Result MultiDrawElementsInstancedGeneral(ContextImpl *contextImpl,
+                                                const gl::Context *context,
+                                                gl::PrimitiveMode mode,
+                                                const GLsizei *counts,
+                                                gl::DrawElementsType type,
+                                                const GLvoid *const *indices,
+                                                const GLsizei *instanceCounts,
+                                                GLsizei drawcount);
+angle::Result MultiDrawArraysInstancedBaseInstanceGeneral(ContextImpl *contextImpl,
+                                                          const gl::Context *context,
+                                                          gl::PrimitiveMode mode,
+                                                          const GLint *firsts,
+                                                          const GLsizei *counts,
+                                                          const GLsizei *instanceCounts,
+                                                          const GLuint *baseInstances,
+                                                          GLsizei drawcount);
+angle::Result MultiDrawElementsInstancedBaseVertexBaseInstanceGeneral(ContextImpl *contextImpl,
+                                                                      const gl::Context *context,
+                                                                      gl::PrimitiveMode mode,
+                                                                      const GLsizei *counts,
+                                                                      gl::DrawElementsType type,
+                                                                      const GLvoid *const *indices,
+                                                                      const GLsizei *instanceCounts,
+                                                                      const GLint *baseVertices,
+                                                                      const GLuint *baseInstances,
+                                                                      GLsizei drawcount);
+
+// RAII object making sure reset uniforms is called no matter whether there's an error in draw calls
+class ResetBaseVertexBaseInstance : angle::NonCopyable
+{
+  public:
+    ResetBaseVertexBaseInstance(gl::Program *programObject,
+                                bool resetBaseVertex,
+                                bool resetBaseInstance);
+
+    ~ResetBaseVertexBaseInstance();
+
+  private:
+    gl::Program *mProgramObject;
+    bool mResetBaseVertex;
+    bool mResetBaseInstance;
+};
+
+angle::FormatID ConvertToSRGB(angle::FormatID formatID);
+angle::FormatID ConvertToLinear(angle::FormatID formatID);
+bool IsOverridableLinearFormat(angle::FormatID formatID);
+
+enum class PipelineType
+{
+    Graphics = 0,
+    Compute  = 1,
+
+    InvalidEnum = 2,
+    EnumCount   = 2,
+};
+}  // namespace rx
+
+// MultiDraw macro patterns
+// These macros are to avoid too much code duplication as we don't want to have if detect for
+// hasDrawID/BaseVertex/BaseInstance inside for loop in a multiDrawANGLE call Part of these are put
+// in the header as we want to share with specialized context impl on some platforms for multidraw
+#define ANGLE_SET_DRAW_ID_UNIFORM_0(drawID) \
+    {}
+#define ANGLE_SET_DRAW_ID_UNIFORM_1(drawID) programObject->setDrawIDUniform(drawID)
+#define ANGLE_SET_DRAW_ID_UNIFORM(cond) ANGLE_SET_DRAW_ID_UNIFORM_##cond
+
+#define ANGLE_SET_BASE_VERTEX_UNIFORM_0(baseVertex) \
+    {}
+#define ANGLE_SET_BASE_VERTEX_UNIFORM_1(baseVertex) programObject->setBaseVertexUniform(baseVertex);
+#define ANGLE_SET_BASE_VERTEX_UNIFORM(cond) ANGLE_SET_BASE_VERTEX_UNIFORM_##cond
+
+#define ANGLE_SET_BASE_INSTANCE_UNIFORM_0(baseInstance) \
+    {}
+#define ANGLE_SET_BASE_INSTANCE_UNIFORM_1(baseInstance) \
+    programObject->setBaseInstanceUniform(baseInstance)
+#define ANGLE_SET_BASE_INSTANCE_UNIFORM(cond) ANGLE_SET_BASE_INSTANCE_UNIFORM_##cond
+
+#define ANGLE_NOOP_DRAW_ context->noopDraw(mode, counts[drawID])
+#define ANGLE_NOOP_DRAW_INSTANCED \
+    context->noopDrawInstanced(mode, counts[drawID], instanceCounts[drawID])
+#define ANGLE_NOOP_DRAW(_instanced) ANGLE_NOOP_DRAW##_instanced
+
+#define ANGLE_MARK_TRANSFORM_FEEDBACK_USAGE_ \
+    gl::MarkTransformFeedbackBufferUsage(context, counts[drawID], 1)
+#define ANGLE_MARK_TRANSFORM_FEEDBACK_USAGE_INSTANCED \
+    gl::MarkTransformFeedbackBufferUsage(context, counts[drawID], instanceCounts[drawID])
+#define ANGLE_MARK_TRANSFORM_FEEDBACK_USAGE(instanced) \
+    ANGLE_MARK_TRANSFORM_FEEDBACK_USAGE##instanced
+
+// Helper macro that casts to a bitfield type then verifies no bits were dropped.
+#define SetBitField(lhs, rhs)                                                         \
+    do                                                                                \
+    {                                                                                 \
+        auto ANGLE_LOCAL_VAR = rhs;                                                   \
+        lhs = static_cast<typename std::decay<decltype(lhs)>::type>(ANGLE_LOCAL_VAR); \
+        ASSERT(static_cast<decltype(ANGLE_LOCAL_VAR)>(lhs) == ANGLE_LOCAL_VAR);       \
+    } while (0)
+
+#endif  // LIBANGLE_RENDERER_RENDERER_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/serial_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/serial_utils.h
new file mode 100644
index 0000000000..49a65c4e26
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/serial_utils.h
@@ -0,0 +1,126 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// serial_utils:
+//   Utilities for generating unique IDs for resources in ANGLE.
+//
+
+#ifndef LIBANGLE_RENDERER_SERIAL_UTILS_H_
+#define LIBANGLE_RENDERER_SERIAL_UTILS_H_
+
+#include <atomic>
+#include <limits>
+
+#include "common/angleutils.h"
+#include "common/debug.h"
+
+namespace rx
+{
+class ResourceSerial
+{
+  public:
+    constexpr ResourceSerial() : mValue(kDirty) {}
+    explicit constexpr ResourceSerial(uintptr_t value) : mValue(value) {}
+    constexpr bool operator==(ResourceSerial other) const { return mValue == other.mValue; }
+    constexpr bool operator!=(ResourceSerial other) const { return mValue != other.mValue; }
+
+    void dirty() { mValue = kDirty; }
+    void clear() { mValue = kEmpty; }
+
+    constexpr bool valid() const { return mValue != kEmpty && mValue != kDirty; }
+    constexpr bool empty() const { return mValue == kEmpty; }
+
+  private:
+    constexpr static uintptr_t kDirty = std::numeric_limits<uintptr_t>::max();
+    constexpr static uintptr_t kEmpty = 0;
+
+    uintptr_t mValue;
+};
+
+class Serial final
+{
+  public:
+    constexpr Serial() : mValue(kInvalid) {}
+    constexpr Serial(const Serial &other)  = default;
+    Serial &operator=(const Serial &other) = default;
+
+    static constexpr Serial Infinite() { return Serial(std::numeric_limits<uint64_t>::max()); }
+
+    constexpr bool operator==(const Serial &other) const
+    {
+        return mValue != kInvalid && mValue == other.mValue;
+    }
+    constexpr bool operator==(uint32_t value) const
+    {
+        return mValue != kInvalid && mValue == static_cast<uint64_t>(value);
+    }
+    constexpr bool operator!=(const Serial &other) const
+    {
+        return mValue == kInvalid || mValue != other.mValue;
+    }
+    constexpr bool operator>(const Serial &other) const { return mValue > other.mValue; }
+    constexpr bool operator>=(const Serial &other) const { return mValue >= other.mValue; }
+    constexpr bool operator<(const Serial &other) const { return mValue < other.mValue; }
+    constexpr bool operator<=(const Serial &other) const { return mValue <= other.mValue; }
+
+    constexpr bool operator<(uint32_t value) const { return mValue < static_cast<uint64_t>(value); }
+
+    // Useful for serialization.
+    constexpr uint64_t getValue() const { return mValue; }
+    constexpr bool valid() const { return mValue != kInvalid; }
+
+  private:
+    template <typename T>
+    friend class SerialFactoryBase;
+    friend class AtomicQueueSerial;
+    constexpr explicit Serial(uint64_t value) : mValue(value) {}
+    uint64_t mValue;
+    static constexpr uint64_t kInvalid = 0;
+};
+
+// Defines class to track the queue serial that can be load/store from multiple threads atomically.
+class AtomicQueueSerial final
+{
+  public:
+    constexpr AtomicQueueSerial() : mValue(kInvalid) { ASSERT(mValue.is_lock_free()); }
+    AtomicQueueSerial &operator=(const Serial &other)
+    {
+        mValue.store(other.mValue, std::memory_order_release);
+        return *this;
+    }
+    Serial getSerial() const { return Serial(mValue.load(std::memory_order_consume)); }
+
+  private:
+    std::atomic<uint64_t> mValue;
+    static constexpr uint64_t kInvalid = 0;
+};
+
+// Used as default/initial serial
+static constexpr Serial kZeroSerial = Serial();
+
+template <typename SerialBaseType>
+class SerialFactoryBase final : angle::NonCopyable
+{
+  public:
+    SerialFactoryBase() : mSerial(1) {}
+
+    Serial generate()
+    {
+        uint64_t current = mSerial++;
+        ASSERT(mSerial > current);  // Integer overflow
+        return Serial(current);
+    }
+
+  private:
+    SerialBaseType mSerial;
+};
+
+using SerialFactory           = SerialFactoryBase<uint64_t>;
+using AtomicSerialFactory     = SerialFactoryBase<std::atomic<uint64_t>>;
+using RenderPassSerialFactory = SerialFactoryBase<uint64_t>;
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SERIAL_UTILS_H_
diff --git a/gfx/angle/checkout/src/libANGLE/trace.h b/gfx/angle/checkout/src/libANGLE/trace.h
new file mode 100644
index 0000000000..fc8d40c646
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/trace.h
@@ -0,0 +1,26 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// trace.h: Wrappers for ANGLE trace event functions.
+//
+
+#ifndef LIBANGLE_TRACE_H_
+#define LIBANGLE_TRACE_H_
+
+#include <platform/PlatformMethods.h>
+#include "third_party/trace_event/trace_event.h"
+
+// TODO: Pass platform directly to these methods. http://anglebug.com/1892
+#define ANGLE_TRACE_EVENT_BEGIN0(CATEGORY, EVENT) \
+    TRACE_EVENT_BEGIN0(ANGLEPlatformCurrent(), CATEGORY, EVENT)
+#define ANGLE_TRACE_EVENT_END0(CATEGORY, EVENT) \
+    TRACE_EVENT_END0(ANGLEPlatformCurrent(), CATEGORY, EVENT)
+#define ANGLE_TRACE_EVENT_INSTANT0(CATEGORY, EVENT) \
+    TRACE_EVENT_INSTANT0(ANGLEPlatformCurrent(), CATEGORY, EVENT)
+#define ANGLE_TRACE_EVENT0(CATEGORY, EVENT) TRACE_EVENT0(ANGLEPlatformCurrent(), CATEGORY, EVENT)
+#define ANGLE_TRACE_EVENT1(CATEGORY, EVENT, NAME, PARAM) \
+    TRACE_EVENT1(ANGLEPlatformCurrent(), CATEGORY, EVENT, NAME, PARAM)
+
+#endif  // LIBANGLE_TRACE_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationEGL.cpp b/gfx/angle/checkout/src/libANGLE/validationEGL.cpp
new file mode 100644
index 0000000000..e73535ab5c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationEGL.cpp
@@ -0,0 +1,6782 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationEGL.cpp: Validation functions for generic EGL entry point parameters
+
+#include "libANGLE/validationEGL_autogen.h"
+
+#include "common/utilities.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Device.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/EGLSync.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/Stream.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/Thread.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/DisplayImpl.h"
+
+#include <EGL/eglext.h>
+
+namespace egl
+{
+namespace
+{
+size_t GetMaximumMipLevel(const gl::Context *context, gl::TextureType type)
+{
+    const gl::Caps &caps = context->getCaps();
+
+    int maxDimension = 0;
+    switch (type)
+    {
+        case gl::TextureType::_2D:
+        case gl::TextureType::_2DArray:
+        case gl::TextureType::_2DMultisample:
+            maxDimension = caps.max2DTextureSize;
+            break;
+        case gl::TextureType::Rectangle:
+            maxDimension = caps.maxRectangleTextureSize;
+            break;
+        case gl::TextureType::CubeMap:
+            maxDimension = caps.maxCubeMapTextureSize;
+            break;
+        case gl::TextureType::_3D:
+            maxDimension = caps.max3DTextureSize;
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    return gl::log2(maxDimension);
+}
+
+bool TextureHasNonZeroMipLevelsSpecified(const gl::Context *context, const gl::Texture *texture)
+{
+    size_t maxMip = GetMaximumMipLevel(context, texture->getType());
+    for (size_t level = 1; level < maxMip; level++)
+    {
+        if (texture->getType() == gl::TextureType::CubeMap)
+        {
+            for (gl::TextureTarget face : gl::AllCubeFaceTextureTargets())
+            {
+                if (texture->getFormat(face, level).valid())
+                {
+                    return true;
+                }
+            }
+        }
+        else
+        {
+            if (texture->getFormat(gl::NonCubeTextureTypeToTarget(texture->getType()), level)
+                    .valid())
+            {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+bool CubeTextureHasUnspecifiedLevel0Face(const gl::Texture *texture)
+{
+    ASSERT(texture->getType() == gl::TextureType::CubeMap);
+    for (gl::TextureTarget face : gl::AllCubeFaceTextureTargets())
+    {
+        if (!texture->getFormat(face, 0).valid())
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool ValidateStreamAttribute(const ValidationContext *val,
+                             const EGLAttrib attribute,
+                             const EGLAttrib value,
+                             const DisplayExtensions &extensions)
+{
+    switch (attribute)
+    {
+        case EGL_STREAM_STATE_KHR:
+        case EGL_PRODUCER_FRAME_KHR:
+        case EGL_CONSUMER_FRAME_KHR:
+            val->setError(EGL_BAD_ACCESS, "Attempt to initialize readonly parameter");
+            return false;
+        case EGL_CONSUMER_LATENCY_USEC_KHR:
+            // Technically not in spec but a latency < 0 makes no sense so we check it
+            if (value < 0)
+            {
+                val->setError(EGL_BAD_PARAMETER, "Latency must be positive");
+                return false;
+            }
+            break;
+        case EGL_CONSUMER_ACQUIRE_TIMEOUT_USEC_KHR:
+            if (!extensions.streamConsumerGLTexture)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Consumer GL extension not enabled");
+                return false;
+            }
+            // Again not in spec but it should be positive anyways
+            if (value < 0)
+            {
+                val->setError(EGL_BAD_PARAMETER, "Timeout must be positive");
+                return false;
+            }
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid stream attribute");
+            return false;
+    }
+    return true;
+}
+
+bool ValidateCreateImageMipLevelCommon(const ValidationContext *val,
+                                       const gl::Context *context,
+                                       const gl::Texture *texture,
+                                       EGLAttrib level)
+{
+    // Note that the spec EGL_create_image spec does not explicitly specify an error
+    // when the level is outside the base/max level range, but it does mention that the
+    // level "must be a part of the complete texture object <buffer>". It can be argued
+    // that out-of-range levels are not a part of the complete texture.
+    const GLuint effectiveBaseLevel = texture->getTextureState().getEffectiveBaseLevel();
+    if (level > 0 &&
+        (!texture->isMipmapComplete() || static_cast<GLuint>(level) < effectiveBaseLevel ||
+         static_cast<GLuint>(level) > texture->getTextureState().getMipmapMaxLevel()))
+    {
+        val->setError(EGL_BAD_PARAMETER, "texture must be complete if level is non-zero.");
+        return false;
+    }
+
+    if (level == 0 && !texture->isMipmapComplete() &&
+        TextureHasNonZeroMipLevelsSpecified(context, texture))
+    {
+        val->setError(EGL_BAD_PARAMETER,
+                      "if level is zero and the texture is incomplete, it must "
+                      "have no mip levels specified except zero.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateConfigAttribute(const ValidationContext *val,
+                             const Display *display,
+                             EGLAttrib attribute)
+{
+    switch (attribute)
+    {
+        case EGL_BUFFER_SIZE:
+        case EGL_ALPHA_SIZE:
+        case EGL_BLUE_SIZE:
+        case EGL_GREEN_SIZE:
+        case EGL_RED_SIZE:
+        case EGL_DEPTH_SIZE:
+        case EGL_STENCIL_SIZE:
+        case EGL_CONFIG_CAVEAT:
+        case EGL_CONFIG_ID:
+        case EGL_LEVEL:
+        case EGL_NATIVE_RENDERABLE:
+        case EGL_NATIVE_VISUAL_ID:
+        case EGL_NATIVE_VISUAL_TYPE:
+        case EGL_SAMPLES:
+        case EGL_SAMPLE_BUFFERS:
+        case EGL_SURFACE_TYPE:
+        case EGL_TRANSPARENT_TYPE:
+        case EGL_TRANSPARENT_BLUE_VALUE:
+        case EGL_TRANSPARENT_GREEN_VALUE:
+        case EGL_TRANSPARENT_RED_VALUE:
+        case EGL_BIND_TO_TEXTURE_RGB:
+        case EGL_BIND_TO_TEXTURE_RGBA:
+        case EGL_MIN_SWAP_INTERVAL:
+        case EGL_MAX_SWAP_INTERVAL:
+        case EGL_LUMINANCE_SIZE:
+        case EGL_ALPHA_MASK_SIZE:
+        case EGL_COLOR_BUFFER_TYPE:
+        case EGL_RENDERABLE_TYPE:
+        case EGL_MATCH_NATIVE_PIXMAP:
+        case EGL_CONFORMANT:
+        case EGL_MAX_PBUFFER_WIDTH:
+        case EGL_MAX_PBUFFER_HEIGHT:
+        case EGL_MAX_PBUFFER_PIXELS:
+            break;
+
+        case EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE:
+            if (!display->getExtensions().surfaceOrientation)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_ANGLE_surface_orientation is not enabled.");
+                return false;
+            }
+            break;
+
+        case EGL_COLOR_COMPONENT_TYPE_EXT:
+            if (!display->getExtensions().pixelFormatFloat)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_EXT_pixel_format_float is not enabled.");
+                return false;
+            }
+            break;
+
+        case EGL_RECORDABLE_ANDROID:
+            if (!display->getExtensions().recordable)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_ANDROID_recordable is not enabled.");
+                return false;
+            }
+            break;
+
+        case EGL_FRAMEBUFFER_TARGET_ANDROID:
+            if (!display->getExtensions().framebufferTargetANDROID)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_ANDROID_framebuffer_target is not enabled.");
+                return false;
+            }
+            break;
+
+        case EGL_BIND_TO_TEXTURE_TARGET_ANGLE:
+            if (!display->getExtensions().iosurfaceClientBuffer)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_ANGLE_iosurface_client_buffer is not enabled.");
+                return false;
+            }
+            break;
+
+        case EGL_Y_INVERTED_NOK:
+            if (!display->getExtensions().textureFromPixmapNOK)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_NOK_texture_from_pixmap is not enabled.");
+                return false;
+            }
+            break;
+
+        case EGL_MATCH_FORMAT_KHR:
+            if (!display->getExtensions().lockSurface3KHR)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_KHR_lock_surface3 is not enabled.");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Unknown attribute: 0x%04" PRIxPTR "X", attribute);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateConfigAttributeValue(const ValidationContext *val,
+                                  const Display *display,
+                                  EGLAttrib attribute,
+                                  EGLAttrib value)
+{
+    switch (attribute)
+    {
+
+        case EGL_BIND_TO_TEXTURE_RGB:
+        case EGL_BIND_TO_TEXTURE_RGBA:
+            switch (value)
+            {
+                case EGL_DONT_CARE:
+                case EGL_TRUE:
+                case EGL_FALSE:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE, "EGL_bind_to_texture invalid attribute: 0x%X",
+                                  static_cast<uint32_t>(value));
+                    return false;
+            }
+            break;
+
+        case EGL_COLOR_BUFFER_TYPE:
+            switch (value)
+            {
+                case EGL_RGB_BUFFER:
+                case EGL_LUMINANCE_BUFFER:
+                // EGL_DONT_CARE doesn't match the spec, but does match dEQP usage
+                case EGL_DONT_CARE:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_color_buffer_type invalid attribute: 0x%X",
+                                  static_cast<uint32_t>(value));
+                    return false;
+            }
+            break;
+
+        case EGL_NATIVE_RENDERABLE:
+            switch (value)
+            {
+                case EGL_DONT_CARE:
+                case EGL_TRUE:
+                case EGL_FALSE:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_native_renderable invalid attribute: 0x%X",
+                                  static_cast<uint32_t>(value));
+                    return false;
+            }
+            break;
+
+        case EGL_TRANSPARENT_TYPE:
+            switch (value)
+            {
+                case EGL_NONE:
+                case EGL_TRANSPARENT_RGB:
+                // EGL_DONT_CARE doesn't match the spec, but does match dEQP usage
+                case EGL_DONT_CARE:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE, "EGL_transparent_type invalid attribute: 0x%X",
+                                  static_cast<uint32_t>(value));
+                    return false;
+            }
+            break;
+
+        case EGL_RECORDABLE_ANDROID:
+            switch (value)
+            {
+                case EGL_TRUE:
+                case EGL_FALSE:
+                case EGL_DONT_CARE:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_RECORDABLE_ANDROID invalid attribute: 0x%X",
+                                  static_cast<uint32_t>(value));
+                    return false;
+            }
+            break;
+
+        case EGL_COLOR_COMPONENT_TYPE_EXT:
+            switch (value)
+            {
+                case EGL_COLOR_COMPONENT_TYPE_FIXED_EXT:
+                case EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT:
+                case EGL_DONT_CARE:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_COLOR_COMPONENT_TYPE_EXT invalid attribute: 0x%X",
+                                  static_cast<uint32_t>(value));
+                    return false;
+            }
+            break;
+
+        case EGL_MATCH_FORMAT_KHR:
+            switch (value)
+            {
+                case EGL_FORMAT_RGB_565_KHR:
+                case EGL_FORMAT_RGBA_8888_KHR:
+                case EGL_FORMAT_RGB_565_EXACT_KHR:
+                case EGL_FORMAT_RGBA_8888_EXACT_KHR:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_KHR_lock_surface3 invalid attribute: 0x%X",
+                                  static_cast<uint32_t>(value));
+                    return false;
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    return true;
+}
+
+bool ValidateConfigAttributes(const ValidationContext *val,
+                              const Display *display,
+                              const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(attributes.validate(val, display, ValidateConfigAttribute));
+
+    for (const auto &attrib : attributes)
+    {
+        EGLAttrib pname = attrib.first;
+        EGLAttrib value = attrib.second;
+        ANGLE_VALIDATION_TRY(ValidateConfigAttributeValue(val, display, pname, value));
+    }
+
+    return true;
+}
+
+bool ValidateColorspaceAttribute(const ValidationContext *val,
+                                 const DisplayExtensions &displayExtensions,
+                                 EGLAttrib colorSpace)
+{
+    switch (colorSpace)
+    {
+        case EGL_GL_COLORSPACE_SRGB:
+            break;
+        case EGL_GL_COLORSPACE_LINEAR:
+            break;
+        case EGL_GL_COLORSPACE_DISPLAY_P3_LINEAR_EXT:
+            if (!displayExtensions.glColorspaceDisplayP3Linear &&
+                !displayExtensions.eglColorspaceAttributePassthroughANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EXT_gl_colorspace_display_p3_linear is not available.");
+                return false;
+            }
+            break;
+        case EGL_GL_COLORSPACE_DISPLAY_P3_EXT:
+            if (!displayExtensions.glColorspaceDisplayP3 &&
+                !displayExtensions.eglColorspaceAttributePassthroughANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EXT_gl_colorspace_display_p3 is not available.");
+                return false;
+            }
+            break;
+        case EGL_GL_COLORSPACE_DISPLAY_P3_PASSTHROUGH_EXT:
+            if (!displayExtensions.glColorspaceDisplayP3Passthrough &&
+                !displayExtensions.eglColorspaceAttributePassthroughANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_EXT_gl_colorspace_display_p3_passthrough is not available.");
+                return false;
+            }
+            break;
+        case EGL_GL_COLORSPACE_SCRGB_EXT:
+            if (!displayExtensions.glColorspaceScrgb &&
+                !displayExtensions.eglColorspaceAttributePassthroughANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EXT_gl_colorspace_scrgb is not available.");
+                return false;
+            }
+            break;
+        case EGL_GL_COLORSPACE_SCRGB_LINEAR_EXT:
+            if (!displayExtensions.glColorspaceScrgbLinear &&
+                !displayExtensions.eglColorspaceAttributePassthroughANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EXT_gl_colorspace_scrgb_linear is not available.");
+                return false;
+            }
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE);
+            return false;
+    }
+    return true;
+}
+bool ValidatePlatformType(const ValidationContext *val,
+                          const ClientExtensions &clientExtensions,
+                          EGLAttrib platformType)
+{
+    switch (platformType)
+    {
+        case EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE:
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE:
+        case EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE:
+            if (!clientExtensions.platformANGLED3D)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Direct3D platform is unsupported.");
+                return false;
+            }
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE:
+        case EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE:
+            if (!clientExtensions.platformANGLEOpenGL)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "OpenGL platform is unsupported.");
+                return false;
+            }
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE:
+            if (!clientExtensions.platformANGLENULL)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Display type EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE "
+                              "requires EGL_ANGLE_platform_angle_null.");
+                return false;
+            }
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE:
+            if (!clientExtensions.platformANGLEVulkan)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Vulkan platform is unsupported.");
+                return false;
+            }
+            break;
+
+        case EGL_PLATFORM_ANGLE_TYPE_METAL_ANGLE:
+            if (!clientExtensions.platformANGLEMetal)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Metal platform is unsupported.");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Unknown platform type.");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPlatformDisplayCommon(const ValidationContext *val,
+                                      EGLenum platform,
+                                      const void *native_display,
+                                      const AttributeMap &attribMap)
+{
+    const ClientExtensions &clientExtensions = Display::GetClientExtensions();
+
+    switch (platform)
+    {
+        case EGL_PLATFORM_ANGLE_ANGLE:
+            if (!clientExtensions.platformANGLE)
+            {
+                val->setError(EGL_BAD_PARAMETER, "Platform ANGLE extension is not active");
+                return false;
+            }
+            break;
+        case EGL_PLATFORM_DEVICE_EXT:
+            if (!clientExtensions.platformDevice)
+            {
+                val->setError(EGL_BAD_PARAMETER, "Platform Device extension is not active");
+                return false;
+            }
+            break;
+        case EGL_PLATFORM_GBM_KHR:
+            if (!clientExtensions.platformGbmKHR)
+            {
+                val->setError(EGL_BAD_PARAMETER, "Platform GBM extension is not active");
+                return false;
+            }
+            break;
+        case EGL_PLATFORM_WAYLAND_EXT:
+            if (!clientExtensions.platformWaylandEXT)
+            {
+                val->setError(EGL_BAD_PARAMETER, "Platform Wayland extension is not active");
+                return false;
+            }
+            break;
+        default:
+            val->setError(EGL_BAD_CONFIG, "Bad platform type.");
+            return false;
+    }
+
+    attribMap.initializeWithoutValidation();
+
+    if (platform != EGL_PLATFORM_DEVICE_EXT)
+    {
+        EGLAttrib platformType       = EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE;
+        bool enableAutoTrimSpecified = false;
+        bool enableD3D11on12         = false;
+        bool presentPathSpecified    = false;
+        bool luidSpecified           = false;
+        bool deviceIdSpecified       = false;
+
+        Optional<EGLAttrib> majorVersion;
+        Optional<EGLAttrib> minorVersion;
+        Optional<EGLAttrib> deviceType;
+        Optional<EGLAttrib> eglHandle;
+
+        for (const auto &curAttrib : attribMap)
+        {
+            const EGLAttrib value = curAttrib.second;
+
+            switch (curAttrib.first)
+            {
+                case EGL_PLATFORM_ANGLE_TYPE_ANGLE:
+                {
+                    ANGLE_VALIDATION_TRY(ValidatePlatformType(val, clientExtensions, value));
+                    platformType = value;
+                    break;
+                }
+
+                case EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE:
+                    if (value != EGL_DONT_CARE)
+                    {
+                        majorVersion = value;
+                    }
+                    break;
+
+                case EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE:
+                    if (value != EGL_DONT_CARE)
+                    {
+                        minorVersion = value;
+                    }
+                    break;
+
+                case EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE:
+                    switch (value)
+                    {
+                        case EGL_TRUE:
+                        case EGL_FALSE:
+                            break;
+                        default:
+                            val->setError(EGL_BAD_ATTRIBUTE, "Invalid automatic trim attribute");
+                            return false;
+                    }
+                    enableAutoTrimSpecified = true;
+                    break;
+
+                case EGL_PLATFORM_ANGLE_D3D11ON12_ANGLE:
+                    if (!clientExtensions.platformANGLED3D ||
+                        !clientExtensions.platformANGLED3D11ON12)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "EGL_PLATFORM_ANGLE_D3D11ON12_ANGLE extension not active.");
+                        return false;
+                    }
+
+                    switch (value)
+                    {
+                        case EGL_TRUE:
+                        case EGL_FALSE:
+                            break;
+                        default:
+                            val->setError(EGL_BAD_ATTRIBUTE, "Invalid D3D11on12 attribute");
+                            return false;
+                    }
+                    enableD3D11on12 = true;
+                    break;
+
+                case EGL_EXPERIMENTAL_PRESENT_PATH_ANGLE:
+                    if (!clientExtensions.experimentalPresentPath)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "EGL_ANGLE_experimental_present_path extension not active");
+                        return false;
+                    }
+
+                    switch (value)
+                    {
+                        case EGL_EXPERIMENTAL_PRESENT_PATH_FAST_ANGLE:
+                        case EGL_EXPERIMENTAL_PRESENT_PATH_COPY_ANGLE:
+                            break;
+                        default:
+                            val->setError(EGL_BAD_ATTRIBUTE,
+                                          "Invalid value for EGL_EXPERIMENTAL_PRESENT_PATH_ANGLE");
+                            return false;
+                    }
+                    presentPathSpecified = true;
+                    break;
+
+                case EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE:
+                    switch (value)
+                    {
+                        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE:
+                        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE:
+                            break;
+
+                        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE:
+                        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_REFERENCE_ANGLE:
+                            if (!clientExtensions.platformANGLED3D)
+                            {
+                                val->setError(EGL_BAD_ATTRIBUTE,
+                                              "EGL_ANGLE_platform_angle_d3d is not supported");
+                                return false;
+                            }
+                            break;
+
+                        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_EGL_ANGLE:
+                            if (!clientExtensions.platformANGLEDeviceTypeEGLANGLE)
+                            {
+                                val->setError(EGL_BAD_ATTRIBUTE,
+                                              "EGL_ANGLE_platform_angle_device_type_"
+                                              "egl_angle is not supported");
+                                return false;
+                            }
+                            break;
+
+                        case EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE:
+                            if (!clientExtensions.platformANGLEDeviceTypeSwiftShader)
+                            {
+                                val->setError(EGL_BAD_ATTRIBUTE,
+                                              "EGL_ANGLE_platform_angle_device_type_"
+                                              "swiftshader is not supported");
+                                return false;
+                            }
+                            break;
+
+                        default:
+                            val->setError(EGL_BAD_ATTRIBUTE,
+                                          "Invalid value for "
+                                          "EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE "
+                                          "attrib");
+                            return false;
+                    }
+                    deviceType = value;
+                    break;
+
+                case EGL_PLATFORM_ANGLE_DEBUG_LAYERS_ENABLED_ANGLE:
+                    if (!clientExtensions.platformANGLE)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "EGL_ANGLE_platform_angle extension not active");
+                        return false;
+                    }
+                    if (value != EGL_TRUE && value != EGL_FALSE && value != EGL_DONT_CARE)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "EGL_PLATFORM_ANGLE_DEBUG_LAYERS_ENABLED_ANGLE "
+                                      "must be EGL_TRUE, EGL_FALSE, or "
+                                      "EGL_DONT_CARE.");
+                        return false;
+                    }
+                    break;
+
+                case EGL_PLATFORM_ANGLE_EGL_HANDLE_ANGLE:
+                    if (value != EGL_DONT_CARE)
+                    {
+                        eglHandle = value;
+                    }
+                    break;
+
+                case EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE:
+                case EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE:
+                    luidSpecified = true;
+                    break;
+                case EGL_PLATFORM_ANGLE_DEVICE_CONTEXT_VOLATILE_EAGL_ANGLE:
+                    // The property does not have an effect if it's not active, so do not check
+                    // for non-support.
+                    switch (value)
+                    {
+                        case EGL_FALSE:
+                        case EGL_TRUE:
+                            break;
+                        default:
+                            val->setError(EGL_BAD_ATTRIBUTE,
+                                          "Invalid value for "
+                                          "EGL_PLATFORM_ANGLE_DEVICE_CONTEXT_VOLATILE_"
+                                          "EAGL_ANGLE attrib");
+                            return false;
+                    }
+                    break;
+                case EGL_PLATFORM_ANGLE_DEVICE_CONTEXT_VOLATILE_CGL_ANGLE:
+                    // The property does not have an effect if it's not active, so do not check
+                    // for non-support.
+                    switch (value)
+                    {
+                        case EGL_FALSE:
+                        case EGL_TRUE:
+                            break;
+                        default:
+                            val->setError(EGL_BAD_ATTRIBUTE,
+                                          "Invalid value for "
+                                          "EGL_PLATFORM_ANGLE_DEVICE_CONTEXT_VOLATILE_"
+                                          "CGL_ANGLE attrib");
+                            return false;
+                    }
+                    break;
+                case EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE:
+                case EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE:
+                    if (!clientExtensions.platformANGLEDeviceId)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "EGL_ANGLE_platform_angle_device_id is not supported");
+                        return false;
+                    }
+                    deviceIdSpecified = true;
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        if (!majorVersion.valid() && minorVersion.valid())
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "Must specify major version if you specify a minor version.");
+            return false;
+        }
+
+        if (deviceType == EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE &&
+            platformType != EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_PLATFORM_ANGLE_DEVICE_TYPE_WARP_ANGLE requires a "
+                          "device type of EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE.");
+            return false;
+        }
+
+        if (enableAutoTrimSpecified && platformType != EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE "
+                          "requires a device type of "
+                          "EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE.");
+            return false;
+        }
+
+        if (enableD3D11on12)
+        {
+            if (platformType != EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_PLATFORM_ANGLE_D3D11ON12_ANGLE "
+                              "requires a platform type of "
+                              "EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE.");
+                return false;
+            }
+
+            if (deviceType.valid() && deviceType != EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE &&
+                deviceType != EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_PLATFORM_ANGLE_D3D11ON12_ANGLE requires a device "
+                              "type of EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE "
+                              "or EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE");
+                return false;
+            }
+        }
+
+        if (presentPathSpecified && platformType != EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_EXPERIMENTAL_PRESENT_PATH_ANGLE requires a "
+                          "device type of EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE.");
+            return false;
+        }
+
+        if (luidSpecified)
+        {
+            if (platformType != EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE and "
+                              "EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE "
+                              "require a platform type of "
+                              "EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE.");
+                return false;
+            }
+
+            if (attribMap.get(EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE, 0) == 0 &&
+                attribMap.get(EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE, 0) == 0)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "If either EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE "
+                              "and/or EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE are "
+                              "specified, at least one must non-zero.");
+                return false;
+            }
+        }
+
+        if (deviceIdSpecified)
+        {
+            if (attribMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE, 0) == 0 &&
+                attribMap.get(EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE, 0) == 0)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "If either EGL_PLATFORM_ANGLE_DEVICE_ID_HIGH_ANGLE "
+                              "and/or EGL_PLATFORM_ANGLE_DEVICE_ID_LOW_ANGLE are "
+                              "specified, at least one must non-zero.");
+                return false;
+            }
+        }
+
+        if (deviceType.valid())
+        {
+            switch (deviceType.value())
+            {
+                case EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_REFERENCE_ANGLE:
+                case EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE:
+                    if (platformType != EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE &&
+                        platformType != EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "This device type requires a "
+                                      "platform type of EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE or "
+                                      "EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE.");
+                        return false;
+                    }
+                    break;
+
+                case EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE:
+                    if (platformType != EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "This device type requires a "
+                                      "platform type of EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE.");
+                        return false;
+                    }
+                    break;
+
+                default:
+                    break;
+            }
+        }
+
+        if (platformType == EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE)
+        {
+            if ((majorVersion.valid() && majorVersion.value() != 1) ||
+                (minorVersion.valid() && minorVersion.value() != 0))
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE currently "
+                              "only supports Vulkan 1.0.");
+                return false;
+            }
+        }
+
+        if (eglHandle.valid() && platformType != EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE &&
+            platformType != EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_PLATFORM_ANGLE_EGL_HANDLE_ANGLE requires a "
+                          "device type of EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE.");
+            return false;
+        }
+    }
+    else
+    {
+        const Device *eglDevice = static_cast<const Device *>(native_display);
+        if (eglDevice == nullptr || !Device::IsValidDevice(eglDevice))
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "native_display should be a valid EGL device if "
+                          "platform equals EGL_PLATFORM_DEVICE_EXT");
+            return false;
+        }
+    }
+
+    if (attribMap.contains(EGL_POWER_PREFERENCE_ANGLE))
+    {
+        if (!clientExtensions.displayPowerPreferenceANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "Attribute EGL_POWER_PREFERENCE_ANGLE "
+                          "requires EGL_ANGLE_display_power_preference.");
+            return false;
+        }
+        EGLAttrib value = attribMap.get(EGL_POWER_PREFERENCE_ANGLE, 0);
+        if (value != EGL_LOW_POWER_ANGLE && value != EGL_HIGH_POWER_ANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_POWER_PREFERENCE_ANGLE must be "
+                          "either EGL_LOW_POWER_ANGLE or EGL_HIGH_POWER_ANGLE.");
+            return false;
+        }
+    }
+
+    if (attribMap.contains(EGL_FEATURE_OVERRIDES_ENABLED_ANGLE))
+    {
+        if (!clientExtensions.featureControlANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE, "EGL_ANGLE_feature_control is not supported");
+            return false;
+        }
+        else if (attribMap.get(EGL_FEATURE_OVERRIDES_ENABLED_ANGLE, 0) == 0)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_FEATURE_OVERRIDES_ENABLED_ANGLE must be a valid pointer");
+            return false;
+        }
+    }
+    if (attribMap.contains(EGL_FEATURE_OVERRIDES_DISABLED_ANGLE))
+    {
+        if (!clientExtensions.featureControlANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE, "EGL_ANGLE_feature_control is not supported");
+            return false;
+        }
+        else if (attribMap.get(EGL_FEATURE_OVERRIDES_DISABLED_ANGLE, 0) == 0)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_FEATURE_OVERRIDES_DISABLED_ANGLE must be a valid pointer");
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateStream(const ValidationContext *val, const Display *display, const Stream *stream)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.stream)
+    {
+        val->setError(EGL_BAD_ACCESS, "Stream extension not active");
+        return false;
+    }
+
+    if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
+    {
+        val->setError(EGL_BAD_STREAM_KHR, "Invalid stream");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLabeledObject(const ValidationContext *val,
+                           const Display *display,
+                           ObjectType objectType,
+                           EGLObjectKHR object,
+                           LabeledObject **outLabeledObject)
+{
+    switch (objectType)
+    {
+        case ObjectType::Context:
+        {
+            gl::Context *context = static_cast<gl::Context *>(object);
+            ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+            *outLabeledObject = context;
+            break;
+        }
+
+        case ObjectType::Display:
+        {
+            ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+            if (display != object)
+            {
+                if (val)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "when object type is EGL_OBJECT_DISPLAY_KHR, the "
+                                  "object must be the same as the display.");
+                }
+                return false;
+            }
+
+            *outLabeledObject = static_cast<Display *>(object);
+            break;
+        }
+
+        case ObjectType::Image:
+        {
+            Image *image = static_cast<Image *>(object);
+            ANGLE_VALIDATION_TRY(ValidateImage(val, display, image));
+            *outLabeledObject = image;
+            break;
+        }
+
+        case ObjectType::Stream:
+        {
+            Stream *stream = static_cast<Stream *>(object);
+            ANGLE_VALIDATION_TRY(ValidateStream(val, display, stream));
+            *outLabeledObject = stream;
+            break;
+        }
+
+        case ObjectType::Surface:
+        {
+            Surface *surface = static_cast<Surface *>(object);
+            ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+            *outLabeledObject = surface;
+            break;
+        }
+
+        case ObjectType::Sync:
+        {
+            Sync *sync = static_cast<Sync *>(object);
+            ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+            *outLabeledObject = sync;
+            break;
+        }
+
+        case ObjectType::Thread:
+        {
+            ASSERT(val);
+            *outLabeledObject = val->eglThread;
+            break;
+        }
+
+        default:
+            if (val)
+            {
+                val->setError(EGL_BAD_PARAMETER, "unknown object type.");
+            }
+            return false;
+    }
+
+    return true;
+}
+
+// This is a common sub-check of Display status that's shared by multiple functions
+bool ValidateDisplayPointer(const ValidationContext *val, const Display *display)
+{
+    if (display == EGL_NO_DISPLAY)
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_DISPLAY, "display is EGL_NO_DISPLAY.");
+        }
+        return false;
+    }
+
+    if (!Display::isValidDisplay(display))
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_DISPLAY, "display is not a valid display: 0x%p", display);
+        }
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidCompositorTimingName(CompositorTiming name)
+{
+    switch (name)
+    {
+        case CompositorTiming::CompositeDeadline:
+        case CompositorTiming::CompositInterval:
+        case CompositorTiming::CompositToPresentLatency:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidTimestampType(Timestamp timestamp)
+{
+    switch (timestamp)
+    {
+        case Timestamp::RequestedPresentTime:
+        case Timestamp::RenderingCompleteTime:
+        case Timestamp::CompositionLatchTime:
+        case Timestamp::FirstCompositionStartTime:
+        case Timestamp::LastCompositionStartTime:
+        case Timestamp::FirstCompositionGPUFinishedTime:
+        case Timestamp::DisplayPresentTime:
+        case Timestamp::DequeueReadyTime:
+        case Timestamp::ReadsDoneTime:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidateCompatibleSurface(const ValidationContext *val,
+                               const Display *display,
+                               const gl::Context *context,
+                               const Surface *surface)
+{
+    const Config *contextConfig = context->getConfig();
+    const Config *surfaceConfig = surface->getConfig();
+
+    if (context->getClientType() != EGL_OPENGL_API)
+    {
+        // Surface compatible with client API - only OPENGL_ES supported
+        switch (context->getClientMajorVersion())
+        {
+            case 1:
+                if (!(surfaceConfig->renderableType & EGL_OPENGL_ES_BIT))
+                {
+                    val->setError(EGL_BAD_MATCH, "Surface not compatible with OpenGL ES 1.x.");
+                    return false;
+                }
+                break;
+            case 2:
+                if (!(surfaceConfig->renderableType & EGL_OPENGL_ES2_BIT))
+                {
+                    val->setError(EGL_BAD_MATCH, "Surface not compatible with OpenGL ES 2.x.");
+                    return false;
+                }
+                break;
+            case 3:
+                if (!(surfaceConfig->renderableType & (EGL_OPENGL_ES2_BIT | EGL_OPENGL_ES3_BIT)))
+                {
+                    val->setError(EGL_BAD_MATCH, "Surface not compatible with OpenGL ES 3.x.");
+                    return false;
+                }
+                break;
+            default:
+                val->setError(EGL_BAD_MATCH, "Surface not compatible with Context API.");
+                return false;
+        }
+    }
+    else
+    {
+        if (!(surfaceConfig->renderableType & EGL_OPENGL_BIT))
+        {
+            val->setError(EGL_BAD_MATCH, "Surface not compatible with OpenGL Desktop.");
+            return false;
+        }
+    }
+
+    // EGL KHR no config context
+    if (context->getConfig() == EGL_NO_CONFIG_KHR)
+    {
+        const DisplayExtensions &displayExtensions = display->getExtensions();
+        if (displayExtensions.noConfigContext)
+        {
+            return true;
+        }
+        val->setError(EGL_BAD_MATCH, "Context with no config is not supported.");
+        return false;
+    }
+
+    // Config compatibility is defined in section 2.2 of the EGL 1.5 spec
+
+    bool colorBufferCompat = surfaceConfig->colorBufferType == contextConfig->colorBufferType;
+    if (!colorBufferCompat)
+    {
+        val->setError(EGL_BAD_MATCH, "Color buffer types are not compatible.");
+        return false;
+    }
+
+    bool colorCompat = surfaceConfig->redSize == contextConfig->redSize &&
+                       surfaceConfig->greenSize == contextConfig->greenSize &&
+                       surfaceConfig->blueSize == contextConfig->blueSize &&
+                       surfaceConfig->alphaSize == contextConfig->alphaSize &&
+                       surfaceConfig->luminanceSize == contextConfig->luminanceSize;
+    if (!colorCompat)
+    {
+        val->setError(EGL_BAD_MATCH, "Color buffer sizes are not compatible.");
+        return false;
+    }
+
+    bool componentTypeCompat =
+        surfaceConfig->colorComponentType == contextConfig->colorComponentType;
+    if (!componentTypeCompat)
+    {
+        val->setError(EGL_BAD_MATCH, "Color buffer component types are not compatible.");
+        return false;
+    }
+
+    bool dsCompat = surfaceConfig->depthSize == contextConfig->depthSize &&
+                    surfaceConfig->stencilSize == contextConfig->stencilSize;
+    if (!dsCompat)
+    {
+        val->setError(EGL_BAD_MATCH, "Depth-stencil buffer types are not compatible.");
+        return false;
+    }
+
+    bool surfaceTypeCompat = (surfaceConfig->surfaceType & contextConfig->surfaceType) != 0;
+    if (!surfaceTypeCompat)
+    {
+        val->setError(EGL_BAD_MATCH, "Surface type is not compatible.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateSyncBase(const ValidationContext *val,
+                            const Display *display,
+                            EGLenum type,
+                            const AttributeMap &attribs,
+                            bool isExt)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    attribs.initializeWithoutValidation();
+
+    gl::Context *currentContext  = val->eglThread->getContext();
+    egl::Display *currentDisplay = currentContext ? currentContext->getDisplay() : nullptr;
+
+    switch (type)
+    {
+        case EGL_SYNC_FENCE_KHR:
+            if (!attribs.isEmpty())
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+                return false;
+            }
+
+            if (!display->getExtensions().fenceSync)
+            {
+                val->setError(EGL_BAD_MATCH, "EGL_KHR_fence_sync extension is not available");
+                return false;
+            }
+
+            if (display != currentDisplay)
+            {
+                val->setError(EGL_BAD_MATCH,
+                              "CreateSync can only be called on the current display");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateContext(val, currentDisplay, currentContext));
+
+            if (!currentContext->getExtensions().EGLSyncOES)
+            {
+                val->setError(EGL_BAD_MATCH,
+                              "EGL_SYNC_FENCE_KHR cannot be used without "
+                              "GL_OES_EGL_sync support.");
+                return false;
+            }
+            break;
+
+        case EGL_SYNC_NATIVE_FENCE_ANDROID:
+            if (!display->getExtensions().fenceSync)
+            {
+                val->setError(EGL_BAD_MATCH, "EGL_KHR_fence_sync extension is not available");
+                return false;
+            }
+
+            if (!display->getExtensions().nativeFenceSyncANDROID)
+            {
+                val->setError(EGL_BAD_DISPLAY,
+                              "EGL_ANDROID_native_fence_sync extension is not available.");
+                return false;
+            }
+
+            if (display != currentDisplay)
+            {
+                val->setError(EGL_BAD_MATCH,
+                              "CreateSync can only be called on the current display");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateContext(val, currentDisplay, currentContext));
+
+            if (!currentContext->getExtensions().EGLSyncOES)
+            {
+                val->setError(EGL_BAD_MATCH,
+                              "EGL_SYNC_FENCE_KHR cannot be used without "
+                              "GL_OES_EGL_sync support.");
+                return false;
+            }
+
+            for (const auto &attributeIter : attribs)
+            {
+                EGLAttrib attribute = attributeIter.first;
+
+                switch (attribute)
+                {
+                    case EGL_SYNC_NATIVE_FENCE_FD_ANDROID:
+                        break;
+
+                    default:
+                        val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+                        return false;
+                }
+            }
+            break;
+
+        case EGL_SYNC_REUSABLE_KHR:
+            if (!attribs.isEmpty())
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+                return false;
+            }
+
+            if (!display->getExtensions().reusableSyncKHR)
+            {
+                val->setError(EGL_BAD_MATCH, "EGL_KHR_reusable_sync extension is not available.");
+                return false;
+            }
+            break;
+
+        case EGL_SYNC_METAL_SHARED_EVENT_ANGLE:
+            if (!display->getExtensions().fenceSync)
+            {
+                val->setError(EGL_BAD_MATCH, "EGL_KHR_fence_sync extension is not available");
+                return false;
+            }
+
+            if (!display->getExtensions().mtlSyncSharedEventANGLE)
+            {
+                val->setError(EGL_BAD_DISPLAY,
+                              "EGL_ANGLE_metal_shared_event_sync is not available");
+                return false;
+            }
+
+            if (display != currentDisplay)
+            {
+                val->setError(EGL_BAD_MATCH,
+                              "CreateSync can only be called on the current display");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateContext(val, currentDisplay, currentContext));
+
+            // This should be implied by exposing EGL_KHR_fence_sync
+            ASSERT(currentContext->getExtensions().EGLSyncOES);
+
+            for (const auto &attributeIter : attribs)
+            {
+                EGLAttrib attribute = attributeIter.first;
+                EGLAttrib value     = attributeIter.second;
+
+                switch (attribute)
+                {
+                    case EGL_SYNC_METAL_SHARED_EVENT_OBJECT_ANGLE:
+                        if (!value)
+                        {
+                            val->setError(EGL_BAD_ATTRIBUTE,
+                                          "EGL_SYNC_METAL_SHARED_EVENT_ANGLE can't be NULL");
+                            return false;
+                        }
+                        break;
+
+                    case EGL_SYNC_METAL_SHARED_EVENT_SIGNAL_VALUE_LO_ANGLE:
+                    case EGL_SYNC_METAL_SHARED_EVENT_SIGNAL_VALUE_HI_ANGLE:
+                        break;
+
+                    default:
+                        val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+                        return false;
+                }
+            }
+            break;
+
+        default:
+            if (isExt)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Invalid type parameter");
+                return false;
+            }
+            else
+            {
+                val->setError(EGL_BAD_PARAMETER, "Invalid type parameter");
+                return false;
+            }
+    }
+
+    return true;
+}
+
+bool ValidateGetSyncAttribBase(const ValidationContext *val,
+                               const Display *display,
+                               const Sync *sync,
+                               EGLint attribute)
+{
+    ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+
+    switch (attribute)
+    {
+        case EGL_SYNC_CONDITION_KHR:
+            switch (sync->getType())
+            {
+                case EGL_SYNC_FENCE_KHR:
+                case EGL_SYNC_NATIVE_FENCE_ANDROID:
+                case EGL_SYNC_METAL_SHARED_EVENT_ANGLE:
+                    break;
+
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_SYNC_CONDITION_KHR is not valid for this sync type.");
+                    return false;
+            }
+            break;
+
+        // The following attributes are accepted by all types
+        case EGL_SYNC_TYPE_KHR:
+        case EGL_SYNC_STATUS_KHR:
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateQueryDisplayAttribBase(const ValidationContext *val,
+                                    const Display *display,
+                                    const EGLint attribute)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    switch (attribute)
+    {
+        case EGL_DEVICE_EXT:
+            if (!Display::GetClientExtensions().deviceQueryEXT)
+            {
+                val->setError(EGL_BAD_DISPLAY, "EGL_EXT_device_query extension is not available.");
+                return false;
+            }
+            break;
+
+        case EGL_FEATURE_COUNT_ANGLE:
+            if (!Display::GetClientExtensions().featureControlANGLE)
+            {
+                val->setError(EGL_BAD_DISPLAY,
+                              "EGL_ANGLE_feature_control extension is not available.");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "attribute is not valid.");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateContextAttribute(const ValidationContext *val,
+                                    const Display *display,
+                                    EGLAttrib attribute)
+{
+    switch (attribute)
+    {
+        case EGL_CONTEXT_CLIENT_VERSION:
+        case EGL_CONTEXT_MINOR_VERSION:
+        case EGL_CONTEXT_FLAGS_KHR:
+        case EGL_CONTEXT_OPENGL_DEBUG:
+            break;
+
+        case EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR:
+            if (val->eglThread->getAPI() != EGL_OPENGL_API)
+            {
+                // Only valid for OpenGL (non-ES) contexts
+                val->setError(EGL_BAD_ATTRIBUTE, "OpenGL profile mask requires an OpenGL context.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT:
+            if (!display->getExtensions().createContextRobustness)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT:
+            if (!display->getExtensions().createContextRobustness)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY:
+        {
+            // We either need to have -
+            // 1. EGL 1.5 which added support for this as part of core spec
+            // 2. EGL_KHR_create_context extension which requires EGL 1.4
+            constexpr EGLint kRequiredMajorVersion = 1;
+            constexpr EGLint kRequiredMinorVersion = 5;
+            if ((kEglMajorVersion < kRequiredMajorVersion ||
+                 kEglMinorVersion < kRequiredMinorVersion) &&
+                !display->getExtensions().createContext)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        }
+
+        case EGL_CONTEXT_OPENGL_NO_ERROR_KHR:
+            if (!display->getExtensions().createContextNoError)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Invalid Context attribute.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE:
+            if (!display->getExtensions().createContextWebGLCompatibility)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute "
+                              "EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE requires "
+                              "EGL_ANGLE_create_context_webgl_compatibility.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM:
+            if (!display->getExtensions().createContextBindGeneratesResource)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM requires "
+                              "EGL_CHROMIUM_create_context_bind_generates_resource.");
+                return false;
+            }
+            break;
+
+        case EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE:
+            if (!display->getExtensions().displayTextureShareGroup)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute "
+                              "EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE requires "
+                              "EGL_ANGLE_display_texture_share_group.");
+                return false;
+            }
+            break;
+
+        case EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE:
+            if (!display->getExtensions().displayTextureShareGroup)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute "
+                              "EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE requires "
+                              "EGL_ANGLE_display_semaphore_share_group.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE:
+            if (!display->getExtensions().createContextClientArrays)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE requires "
+                              "EGL_ANGLE_create_context_client_arrays.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE:
+            if (!display->getExtensions().programCacheControlANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE "
+                              "requires EGL_ANGLE_program_cache_control.");
+                return false;
+            }
+            break;
+
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            if (!display->getExtensions().robustResourceInitializationANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE "
+                              "requires EGL_ANGLE_robust_resource_initialization.");
+                return false;
+            }
+            break;
+
+        case EGL_EXTENSIONS_ENABLED_ANGLE:
+            if (!display->getExtensions().createContextExtensionsEnabled)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_EXTENSIONS_ENABLED_ANGLE "
+                              "requires EGL_ANGLE_create_context_extensions_enabled.");
+                return false;
+            }
+            break;
+
+        case EGL_POWER_PREFERENCE_ANGLE:
+            if (!display->getExtensions().powerPreference)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_POWER_PREFERENCE_ANGLE "
+                              "requires EGL_ANGLE_power_preference.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE:
+            if (!display->getExtensions().createContextBackwardsCompatible)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE "
+                              "requires EGL_ANGLE_create_context_backwards_compatible.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_PRIORITY_LEVEL_IMG:
+            if (!display->getExtensions().contextPriority)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_PRIORITY_LEVEL_IMG requires "
+                              "extension EGL_IMG_context_priority.");
+                return false;
+            }
+            break;
+
+        case EGL_GENERATE_RESET_ON_VIDEO_MEMORY_PURGE_NV:
+            if (!display->getExtensions().robustnessVideoMemoryPurgeNV)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_GENERATE_RESET_ON_VIDEO_MEMORY_PURGE_NV requires "
+                              "extension EGL_NV_robustness_video_memory_purge.");
+                return false;
+            }
+            break;
+
+        case EGL_EXTERNAL_CONTEXT_ANGLE:
+            if (!display->getExtensions().externalContextAndSurface)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute "
+                              "EGL_EXTERNAL_CONTEXT_ANGLE requires "
+                              "EGL_ANGLE_external_context_and_surface.");
+                return false;
+            }
+            break;
+        case EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE:
+            if (!display->getExtensions().externalContextAndSurface)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute "
+                              "EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE requires "
+                              "EGL_ANGLE_external_context_and_surface.");
+                return false;
+            }
+            break;
+
+        case EGL_PROTECTED_CONTENT_EXT:
+            if (!display->getExtensions().protectedContentEXT)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_PROTECTED_CONTEXT_EXT requires "
+                              "extension EGL_EXT_protected_content.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_VIRTUALIZATION_GROUP_ANGLE:
+            if (!display->getExtensions().contextVirtualizationANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_VIRTUALIZATION_GROUP_ANGLE requires "
+                              "extension EGL_ANGLE_context_virtualization.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_METAL_OWNERSHIP_IDENTITY_ANGLE:
+            if (!display->getExtensions().metalCreateContextOwnershipIdentityANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_METAL_OWNERSHIP_IDENTITY_ANGLE requires "
+                              "EGL_ANGLE_metal_create_context_ownership_identity.");
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Unknown attribute: 0x%04" PRIxPTR "X", attribute);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateContextAttributeValue(const ValidationContext *val,
+                                         const Display *display,
+                                         const gl::Context *shareContext,
+                                         EGLAttrib attribute,
+                                         EGLAttrib value)
+{
+    switch (attribute)
+    {
+        case EGL_CONTEXT_CLIENT_VERSION:
+        case EGL_CONTEXT_MINOR_VERSION:
+        case EGL_CONTEXT_OPENGL_DEBUG:
+        case EGL_CONTEXT_VIRTUALIZATION_GROUP_ANGLE:
+            break;
+
+        case EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR:
+        {
+            constexpr EGLint kValidProfileMaskFlags =
+                (EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT |
+                 EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT);
+            if ((value & ~kValidProfileMaskFlags) != 0)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Invalid OpenGL profile mask.");
+                return false;
+            }
+            break;
+        }
+
+        case EGL_CONTEXT_FLAGS_KHR:
+        {
+            // Note: EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR does not apply to ES
+            constexpr EGLint kValidContextFlags =
+                (EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR | EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR);
+            if ((value & ~kValidContextFlags) != 0)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        }
+
+        case EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT:
+        case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY:
+            if (value != EGL_LOSE_CONTEXT_ON_RESET_EXT && value != EGL_NO_RESET_NOTIFICATION_EXT)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+
+            if (shareContext && shareContext->isResetNotificationEnabled() !=
+                                    (value == EGL_LOSE_CONTEXT_ON_RESET_EXT))
+            {
+                val->setError(EGL_BAD_MATCH);
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_OPENGL_NO_ERROR_KHR:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Attribute must be EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE must be "
+                              "EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM "
+                              "must be EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE must be "
+                              "EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            if (shareContext &&
+                shareContext->usingDisplayTextureShareGroup() != (value == EGL_TRUE))
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "All contexts within a share group must be "
+                              "created with the same value of "
+                              "EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE.");
+                return false;
+            }
+            break;
+
+        case EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE must be "
+                              "EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            if (shareContext &&
+                shareContext->usingDisplaySemaphoreShareGroup() != (value == EGL_TRUE))
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "All contexts within a share group must be "
+                              "created with the same value of "
+                              "EGL_DISPLAY_SEMAPHORE_SHARE_GROUP_ANGLE.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE must "
+                              "be EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_CONTEXT_PROGRAM_BINARY_CACHE_ENABLED_ANGLE must "
+                              "be EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE must be "
+                              "either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_EXTENSIONS_ENABLED_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_EXTENSIONS_ENABLED_ANGLE must be "
+                              "either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_POWER_PREFERENCE_ANGLE:
+            if (value != EGL_LOW_POWER_ANGLE && value != EGL_HIGH_POWER_ANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_POWER_PREFERENCE_ANGLE must be "
+                              "either EGL_LOW_POWER_ANGLE or EGL_HIGH_POWER_ANGLE.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE must be "
+                              "either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_PRIORITY_LEVEL_IMG:
+            switch (value)
+            {
+                case EGL_CONTEXT_PRIORITY_LOW_IMG:
+                case EGL_CONTEXT_PRIORITY_MEDIUM_IMG:
+                case EGL_CONTEXT_PRIORITY_HIGH_IMG:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_CONTEXT_PRIORITY_LEVEL_IMG "
+                                  "must be one of: EGL_CONTEXT_PRIORITY_LOW_IMG, "
+                                  "EGL_CONTEXT_PRIORITY_MEDIUM_IMG, or "
+                                  "EGL_CONTEXT_PRIORITY_HIGH_IMG.");
+                    return false;
+            }
+            break;
+
+        case EGL_GENERATE_RESET_ON_VIDEO_MEMORY_PURGE_NV:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_GENERATE_RESET_ON_VIDEO_MEMORY_PURGE_NV must "
+                              "be either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_EXTERNAL_CONTEXT_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_EXTERNAL_CONTEXT_ANGLE must "
+                              "be either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            if (shareContext && (value == EGL_TRUE))
+            {
+                val->setError(
+                    EGL_BAD_ATTRIBUTE,
+                    "EGL_EXTERNAL_CONTEXT_ANGLE doesn't allow creating with sharedContext.");
+                return false;
+            }
+            break;
+        case EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE must "
+                              "be either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_PROTECTED_CONTENT_EXT:
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_PROTECTED_CONTENT_EXT must "
+                              "be either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_METAL_OWNERSHIP_IDENTITY_ANGLE:
+            if (value == 0)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_CONTEXT_METAL_OWNERSHIP_IDENTITY_ANGLE must"
+                              "be non-zero.");
+                return false;
+            }
+            break;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreatePbufferSurfaceAttribute(const ValidationContext *val,
+                                           const Display *display,
+                                           EGLAttrib attribute)
+{
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+
+    switch (attribute)
+    {
+        case EGL_WIDTH:
+        case EGL_HEIGHT:
+        case EGL_LARGEST_PBUFFER:
+        case EGL_TEXTURE_FORMAT:
+        case EGL_TEXTURE_TARGET:
+        case EGL_MIPMAP_TEXTURE:
+        case EGL_VG_COLORSPACE:
+        case EGL_GL_COLORSPACE:
+        case EGL_VG_ALPHA_FORMAT:
+            break;
+
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            if (!displayExtensions.robustResourceInitializationANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE "
+                              "requires EGL_ANGLE_robust_resource_initialization.");
+                return false;
+            }
+            break;
+
+        case EGL_PROTECTED_CONTENT_EXT:
+            if (!displayExtensions.protectedContentEXT)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_PROTECTED_CONTEXT_EXT requires "
+                              "extension EGL_EXT_protected_content.");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreatePbufferSurfaceAttributeValue(const ValidationContext *val,
+                                                const Display *display,
+                                                EGLAttrib attribute,
+                                                EGLAttrib value)
+{
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+
+    switch (attribute)
+    {
+        case EGL_WIDTH:
+        case EGL_HEIGHT:
+            if (value < 0)
+            {
+                val->setError(EGL_BAD_PARAMETER);
+                return false;
+            }
+            break;
+
+        case EGL_LARGEST_PBUFFER:
+            break;
+
+        case EGL_TEXTURE_FORMAT:
+            switch (value)
+            {
+                case EGL_NO_TEXTURE:
+                case EGL_TEXTURE_RGB:
+                case EGL_TEXTURE_RGBA:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE);
+                    return false;
+            }
+            break;
+
+        case EGL_TEXTURE_TARGET:
+            switch (value)
+            {
+                case EGL_NO_TEXTURE:
+                case EGL_TEXTURE_2D:
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE);
+                    return false;
+            }
+            break;
+
+        case EGL_MIPMAP_TEXTURE:
+            break;
+
+        case EGL_VG_COLORSPACE:
+            break;
+
+        case EGL_GL_COLORSPACE:
+            ANGLE_VALIDATION_TRY(ValidateColorspaceAttribute(val, displayExtensions, value));
+            break;
+
+        case EGL_VG_ALPHA_FORMAT:
+            break;
+
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            ASSERT(displayExtensions.robustResourceInitializationANGLE);
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE must be "
+                              "either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        case EGL_PROTECTED_CONTENT_EXT:
+            ASSERT(displayExtensions.protectedContentEXT);
+            if (value != EGL_TRUE && value != EGL_FALSE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_PROTECTED_CONTENT_EXT must "
+                              "be either EGL_TRUE or EGL_FALSE.");
+                return false;
+            }
+            break;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+
+    return true;
+}
+}  // anonymous namespace
+
+void ValidationContext::setError(EGLint error) const
+{
+    eglThread->setError(error, entryPoint, labeledObject, nullptr);
+}
+
+void ValidationContext::setError(EGLint error, const char *message...) const
+{
+    ASSERT(message);
+
+    constexpr uint32_t kBufferSize = 1000;
+    char buffer[kBufferSize];
+
+    va_list args;
+    va_start(args, message);
+    vsnprintf(buffer, kBufferSize, message, args);
+
+    eglThread->setError(error, entryPoint, labeledObject, buffer);
+}
+
+bool ValidateDisplay(const ValidationContext *val, const Display *display)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplayPointer(val, display));
+
+    if (!display->isInitialized())
+    {
+        if (val)
+        {
+            val->setError(EGL_NOT_INITIALIZED, "display is not initialized.");
+        }
+        return false;
+    }
+
+    if (display->isDeviceLost())
+    {
+        if (val)
+        {
+            val->setError(EGL_CONTEXT_LOST, "display had a context loss");
+        }
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSurface(const ValidationContext *val, const Display *display, const Surface *surface)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->isValidSurface(surface))
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_SURFACE);
+        }
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateConfig(const ValidationContext *val, const Display *display, const Config *config)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->isValidConfig(config))
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_CONFIG);
+        }
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateContext(const ValidationContext *val,
+                     const Display *display,
+                     const gl::Context *context)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->isValidContext(context))
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_CONTEXT);
+        }
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateImage(const ValidationContext *val, const Display *display, const Image *image)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->isValidImage(image))
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_PARAMETER, "image is not valid.");
+        }
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDevice(const ValidationContext *val, const Device *device)
+{
+    if (device == EGL_NO_DEVICE_EXT)
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_ACCESS, "device is EGL_NO_DEVICE.");
+        }
+        return false;
+    }
+
+    if (!Device::IsValidDevice(device))
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_ACCESS, "device is not valid.");
+        }
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSync(const ValidationContext *val, const Display *display, const Sync *sync)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->isValidSync(sync))
+    {
+        if (val)
+        {
+            val->setError(EGL_BAD_PARAMETER, "sync object is not valid.");
+        }
+        return false;
+    }
+
+    return true;
+}
+
+const Thread *GetThreadIfValid(const Thread *thread)
+{
+    // Threads should always be valid
+    return thread;
+}
+
+const Display *GetDisplayIfValid(const Display *display)
+{
+    return ValidateDisplay(nullptr, display) ? display : nullptr;
+}
+
+const Surface *GetSurfaceIfValid(const Display *display, const Surface *surface)
+{
+    return ValidateSurface(nullptr, display, surface) ? surface : nullptr;
+}
+
+const Image *GetImageIfValid(const Display *display, const Image *image)
+{
+    return ValidateImage(nullptr, display, image) ? image : nullptr;
+}
+
+const Stream *GetStreamIfValid(const Display *display, const Stream *stream)
+{
+    return ValidateStream(nullptr, display, stream) ? stream : nullptr;
+}
+
+const gl::Context *GetContextIfValid(const Display *display, const gl::Context *context)
+{
+    return ValidateContext(nullptr, display, context) ? context : nullptr;
+}
+
+const Device *GetDeviceIfValid(const Device *device)
+{
+    return ValidateDevice(nullptr, device) ? device : nullptr;
+}
+
+const Sync *GetSyncIfValid(const Display *display, const Sync *sync)
+{
+    return ValidateSync(nullptr, display, sync) ? sync : nullptr;
+}
+
+LabeledObject *GetLabeledObjectIfValid(Thread *thread,
+                                       const Display *display,
+                                       ObjectType objectType,
+                                       EGLObjectKHR object)
+{
+    if (objectType == ObjectType::Thread)
+    {
+        return thread;
+    }
+
+    LabeledObject *labeledObject = nullptr;
+    if (ValidateLabeledObject(nullptr, display, objectType, object, &labeledObject))
+    {
+        return labeledObject;
+    }
+
+    return nullptr;
+}
+
+bool ValidateInitialize(const ValidationContext *val,
+                        const Display *display,
+                        const EGLint *major,
+                        const EGLint *minor)
+{
+    return ValidateDisplayPointer(val, display);
+}
+
+bool ValidateTerminate(const ValidationContext *val, const Display *display)
+{
+    return ValidateDisplayPointer(val, display);
+}
+
+bool ValidateCreateContext(const ValidationContext *val,
+                           const Display *display,
+                           const Config *configuration,
+                           const gl::Context *shareContext,
+                           const AttributeMap &attributes)
+{
+    if (configuration)
+    {
+        ANGLE_VALIDATION_TRY(ValidateConfig(val, display, configuration));
+    }
+    else
+    {
+        ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+        const DisplayExtensions &displayExtensions = display->getExtensions();
+        if (!displayExtensions.noConfigContext)
+        {
+            val->setError(EGL_BAD_CONFIG);
+            return false;
+        }
+    }
+
+    ANGLE_VALIDATION_TRY(attributes.validate(val, display, ValidateCreateContextAttribute));
+
+    for (const auto &attributePair : attributes)
+    {
+        EGLAttrib attribute = attributePair.first;
+        EGLAttrib value     = attributePair.second;
+        ANGLE_VALIDATION_TRY(
+            ValidateCreateContextAttributeValue(val, display, shareContext, attribute, value));
+    }
+
+    // Get the requested client version (default is 1) and check it is 2 or 3.
+    EGLAttrib clientMajorVersion = attributes.get(EGL_CONTEXT_CLIENT_VERSION, 1);
+    EGLAttrib clientMinorVersion = attributes.get(EGL_CONTEXT_MINOR_VERSION, 0);
+    EGLenum api                  = val->eglThread->getAPI();
+
+    switch (api)
+    {
+        case EGL_OPENGL_ES_API:
+            switch (clientMajorVersion)
+            {
+                case 1:
+                    if (clientMinorVersion != 0 && clientMinorVersion != 1)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE);
+                        return false;
+                    }
+                    if (configuration == EGL_NO_CONFIG_KHR)
+                    {
+                        val->setError(EGL_BAD_MATCH);
+                        return false;
+                    }
+                    if ((configuration != EGL_NO_CONFIG_KHR) &&
+                        !(configuration->renderableType & EGL_OPENGL_ES_BIT))
+                    {
+                        val->setError(EGL_BAD_MATCH);
+                        return false;
+                    }
+                    break;
+
+                case 2:
+                    if (clientMinorVersion != 0)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE);
+                        return false;
+                    }
+                    if ((configuration != EGL_NO_CONFIG_KHR) &&
+                        !(configuration->renderableType & EGL_OPENGL_ES2_BIT))
+                    {
+                        val->setError(EGL_BAD_MATCH);
+                        return false;
+                    }
+                    break;
+                case 3:
+                    if (clientMinorVersion < 0 || clientMinorVersion > 2)
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE);
+                        return false;
+                    }
+                    if ((configuration != EGL_NO_CONFIG_KHR) &&
+                        !(configuration->renderableType & EGL_OPENGL_ES3_BIT))
+                    {
+                        val->setError(EGL_BAD_MATCH);
+                        return false;
+                    }
+                    if (display->getMaxSupportedESVersion() <
+                        gl::Version(static_cast<GLuint>(clientMajorVersion),
+                                    static_cast<GLuint>(clientMinorVersion)))
+                    {
+                        gl::Version max = display->getMaxSupportedESVersion();
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "Requested GLES version (%" PRIxPTR ".%" PRIxPTR
+                                      ") is greater than "
+                                      "max supported (%d, %d).",
+                                      clientMajorVersion, clientMinorVersion, max.major, max.minor);
+                        return false;
+                    }
+                    if ((attributes.get(EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE, EGL_FALSE) ==
+                         EGL_TRUE) &&
+                        (clientMinorVersion > 1))
+                    {
+                        val->setError(EGL_BAD_ATTRIBUTE,
+                                      "Requested GLES version (%" PRIxPTR ".%" PRIxPTR
+                                      ") is greater than "
+                                      "max supported 3.1 for WebGL.",
+                                      clientMajorVersion, clientMinorVersion);
+                        return false;
+                    }
+                    break;
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE);
+                    return false;
+            }
+            break;
+
+        case EGL_OPENGL_API:
+            // The requested configuration must use EGL_OPENGL_BIT if EGL_OPENGL_BIT is the
+            // currently bound API.
+            if ((configuration != EGL_NO_CONFIG_KHR) &&
+                !(configuration->renderableType & EGL_OPENGL_BIT))
+            {
+                val->setError(EGL_BAD_CONFIG);
+                return false;
+            }
+            // TODO(http://anglebug.com/7533): validate desktop OpenGL versions and profile mask
+            break;
+
+        default:
+            val->setError(EGL_BAD_MATCH, "Unsupported API.");
+            return false;
+    }
+
+    if (shareContext)
+    {
+        // Shared context is invalid or is owned by another display
+        if (!display->isValidContext(shareContext))
+        {
+            val->setError(EGL_BAD_MATCH);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateCreateWindowSurface(const ValidationContext *val,
+                                 const Display *display,
+                                 const Config *config,
+                                 EGLNativeWindowType window,
+                                 const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(ValidateConfig(val, display, config));
+
+    if (!display->isValidNativeWindow(window))
+    {
+        val->setError(EGL_BAD_NATIVE_WINDOW);
+        return false;
+    }
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+
+    attributes.initializeWithoutValidation();
+
+    for (const auto &attributeIter : attributes)
+    {
+        EGLAttrib attribute = attributeIter.first;
+        EGLAttrib value     = attributeIter.second;
+
+        switch (attribute)
+        {
+            case EGL_RENDER_BUFFER:
+                switch (value)
+                {
+                    case EGL_BACK_BUFFER:
+                        break;
+                    case EGL_SINGLE_BUFFER:
+                        break;
+                    default:
+                        val->setError(EGL_BAD_ATTRIBUTE);
+                        return false;
+                }
+                break;
+
+            case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
+                if (!displayExtensions.postSubBuffer)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE);
+                    return false;
+                }
+                break;
+
+            case EGL_WIDTH:
+            case EGL_HEIGHT:
+                if (!displayExtensions.windowFixedSize)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE);
+                    return false;
+                }
+                if (value < 0)
+                {
+                    val->setError(EGL_BAD_PARAMETER);
+                    return false;
+                }
+                break;
+
+            case EGL_FIXED_SIZE_ANGLE:
+                if (!displayExtensions.windowFixedSize)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE);
+                    return false;
+                }
+                break;
+
+            case EGL_SURFACE_ORIENTATION_ANGLE:
+                if (!displayExtensions.surfaceOrientation)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_ANGLE_surface_orientation is not enabled.");
+                    return false;
+                }
+                break;
+
+            case EGL_VG_COLORSPACE:
+                if (value != EGL_VG_COLORSPACE_sRGB)
+                {
+                    val->setError(EGL_BAD_MATCH);
+                    return false;
+                }
+                break;
+
+            case EGL_GL_COLORSPACE:
+                ANGLE_VALIDATION_TRY(ValidateColorspaceAttribute(val, displayExtensions, value));
+                break;
+
+            case EGL_VG_ALPHA_FORMAT:
+                val->setError(EGL_BAD_MATCH);
+                return false;
+
+            case EGL_DIRECT_COMPOSITION_ANGLE:
+                if (!displayExtensions.directComposition)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE);
+                    return false;
+                }
+                break;
+
+            case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+                if (!display->getExtensions().robustResourceInitializationANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE "
+                                  "requires EGL_ANGLE_robust_resource_initialization.");
+                    return false;
+                }
+                if (value != EGL_TRUE && value != EGL_FALSE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE must be "
+                                  "either EGL_TRUE or EGL_FALSE.");
+                    return false;
+                }
+                break;
+
+            case EGL_GGP_STREAM_DESCRIPTOR_ANGLE:
+                if (!display->getExtensions().ggpStreamDescriptor)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_GGP_STREAM_DESCRIPTOR_ANGLE requires "
+                                  "EGL_ANGLE_ggp_stream_descriptor.");
+                    return false;
+                }
+                break;
+
+            case EGL_PROTECTED_CONTENT_EXT:
+                if (!displayExtensions.protectedContentEXT)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_PROTECTED_CONTEXT_EXT requires "
+                                  "extension EGL_EXT_protected_content.");
+                    return false;
+                }
+                if (value != EGL_TRUE && value != EGL_FALSE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_PROTECTED_CONTENT_EXT must "
+                                  "be either EGL_TRUE or EGL_FALSE.");
+                    return false;
+                }
+                break;
+
+            case EGL_SWAP_INTERVAL_ANGLE:
+                if (!displayExtensions.createSurfaceSwapIntervalANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_SWAP_INTERVAL_ANGLE requires "
+                                  "extension EGL_ANGLE_create_surface_swap_interval.");
+                    return false;
+                }
+                if (value < config->minSwapInterval || value > config->maxSwapInterval)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_SWAP_INTERVAL_ANGLE must "
+                                  "be within the EGLConfig min and max swap intervals.");
+                    return false;
+                }
+                break;
+
+            default:
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+        }
+    }
+
+    if (Display::hasExistingWindowSurface(window))
+    {
+        val->setError(EGL_BAD_ALLOC);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreatePbufferSurface(const ValidationContext *val,
+                                  const Display *display,
+                                  const Config *config,
+                                  const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(ValidateConfig(val, display, config));
+    ANGLE_VALIDATION_TRY(attributes.validate(val, display, ValidateCreatePbufferSurfaceAttribute));
+
+    for (const auto &attributeIter : attributes)
+    {
+        EGLAttrib attribute = attributeIter.first;
+        EGLAttrib value     = attributeIter.second;
+
+        ANGLE_VALIDATION_TRY(
+            ValidateCreatePbufferSurfaceAttributeValue(val, display, attribute, value));
+    }
+
+    if ((config->surfaceType & EGL_PBUFFER_BIT) == 0)
+    {
+        val->setError(EGL_BAD_MATCH);
+        return false;
+    }
+
+    const Caps &caps = display->getCaps();
+
+    EGLAttrib textureFormat = attributes.get(EGL_TEXTURE_FORMAT, EGL_NO_TEXTURE);
+    EGLAttrib textureTarget = attributes.get(EGL_TEXTURE_TARGET, EGL_NO_TEXTURE);
+
+    if ((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) ||
+        (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE))
+    {
+        val->setError(EGL_BAD_MATCH);
+        return false;
+    }
+
+    if ((textureFormat == EGL_TEXTURE_RGB && config->bindToTextureRGB != EGL_TRUE) ||
+        (textureFormat == EGL_TEXTURE_RGBA && config->bindToTextureRGBA != EGL_TRUE))
+    {
+        val->setError(EGL_BAD_ATTRIBUTE);
+        return false;
+    }
+
+    EGLint width  = static_cast<EGLint>(attributes.get(EGL_WIDTH, 0));
+    EGLint height = static_cast<EGLint>(attributes.get(EGL_HEIGHT, 0));
+    if (textureFormat != EGL_NO_TEXTURE && !caps.textureNPOT &&
+        (!gl::isPow2(width) || !gl::isPow2(height)))
+    {
+        val->setError(EGL_BAD_MATCH);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreatePbufferFromClientBuffer(const ValidationContext *val,
+                                           const Display *display,
+                                           EGLenum buftype,
+                                           EGLClientBuffer buffer,
+                                           const Config *config,
+                                           const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(ValidateConfig(val, display, config));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+
+    attributes.initializeWithoutValidation();
+
+    switch (buftype)
+    {
+        case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE:
+            if (!displayExtensions.d3dShareHandleClientBuffer)
+            {
+                val->setError(EGL_BAD_PARAMETER);
+                return false;
+            }
+            if (buffer == nullptr)
+            {
+                val->setError(EGL_BAD_PARAMETER);
+                return false;
+            }
+            break;
+
+        case EGL_D3D_TEXTURE_ANGLE:
+            if (!displayExtensions.d3dTextureClientBuffer)
+            {
+                val->setError(EGL_BAD_PARAMETER);
+                return false;
+            }
+            if (buffer == nullptr)
+            {
+                val->setError(EGL_BAD_PARAMETER);
+                return false;
+            }
+            break;
+
+        case EGL_IOSURFACE_ANGLE:
+            if (!displayExtensions.iosurfaceClientBuffer)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "<buftype> EGL_IOSURFACE_ANGLE requires the "
+                              "EGL_ANGLE_iosurface_client_buffer extension.");
+                return false;
+            }
+            if (buffer == nullptr)
+            {
+                val->setError(EGL_BAD_PARAMETER, "<buffer> must be non null");
+                return false;
+            }
+            break;
+        case EGL_EXTERNAL_SURFACE_ANGLE:
+            if (!display->getExtensions().externalContextAndSurface)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute "
+                              "EGL_EXTERNAL_SURFACE_ANGLE requires "
+                              "EGL_ANGLE_external_context_and_surface.");
+                return false;
+            }
+            if (buffer != nullptr)
+            {
+                val->setError(EGL_BAD_PARAMETER, "<buffer> must be null");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_PARAMETER);
+            return false;
+    }
+
+    for (AttributeMap::const_iterator attributeIter = attributes.begin();
+         attributeIter != attributes.end(); attributeIter++)
+    {
+        EGLAttrib attribute = attributeIter->first;
+        EGLAttrib value     = attributeIter->second;
+
+        switch (attribute)
+        {
+            case EGL_WIDTH:
+            case EGL_HEIGHT:
+                if (buftype != EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE &&
+                    buftype != EGL_D3D_TEXTURE_ANGLE && buftype != EGL_IOSURFACE_ANGLE &&
+                    buftype != EGL_EXTERNAL_SURFACE_ANGLE)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "Width and Height are not supported for this <buftype>");
+                    return false;
+                }
+                if (value < 0)
+                {
+                    val->setError(EGL_BAD_PARAMETER, "Width and Height must be positive");
+                    return false;
+                }
+                break;
+
+            case EGL_TEXTURE_FORMAT:
+                switch (value)
+                {
+                    case EGL_NO_TEXTURE:
+                    case EGL_TEXTURE_RGB:
+                    case EGL_TEXTURE_RGBA:
+                        break;
+                    default:
+                        val->setError(EGL_BAD_ATTRIBUTE, "Invalid value for EGL_TEXTURE_FORMAT");
+                        return false;
+                }
+                break;
+
+            case EGL_TEXTURE_TARGET:
+                switch (value)
+                {
+                    case EGL_NO_TEXTURE:
+                    case EGL_TEXTURE_2D:
+                        break;
+                    case EGL_TEXTURE_RECTANGLE_ANGLE:
+                        if (buftype != EGL_IOSURFACE_ANGLE)
+                        {
+                            val->setError(EGL_BAD_PARAMETER,
+                                          "<buftype> doesn't support rectangle texture targets");
+                            return false;
+                        }
+                        break;
+
+                    default:
+                        val->setError(EGL_BAD_ATTRIBUTE, "Invalid value for EGL_TEXTURE_TARGET");
+                        return false;
+                }
+                break;
+
+            case EGL_MIPMAP_TEXTURE:
+                break;
+
+            case EGL_IOSURFACE_PLANE_ANGLE:
+                if (buftype != EGL_IOSURFACE_ANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "<buftype> doesn't support iosurface plane");
+                    return false;
+                }
+                break;
+
+            case EGL_TEXTURE_TYPE_ANGLE:
+                if (buftype != EGL_IOSURFACE_ANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "<buftype> doesn't support texture type");
+                    return false;
+                }
+                break;
+
+            case EGL_TEXTURE_INTERNAL_FORMAT_ANGLE:
+                if (buftype != EGL_IOSURFACE_ANGLE && buftype != EGL_D3D_TEXTURE_ANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "<buftype> doesn't support texture internal format");
+                    return false;
+                }
+                break;
+
+            case EGL_GL_COLORSPACE:
+                if (buftype != EGL_D3D_TEXTURE_ANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "<buftype> doesn't support setting GL colorspace");
+                    return false;
+                }
+                break;
+
+            case EGL_IOSURFACE_USAGE_HINT_ANGLE:
+                if (value & ~(EGL_IOSURFACE_READ_HINT_ANGLE | EGL_IOSURFACE_WRITE_HINT_ANGLE))
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "IOSurface usage hint must only contain READ or WRITE");
+                    return false;
+                }
+                break;
+
+            case EGL_TEXTURE_OFFSET_X_ANGLE:
+            case EGL_TEXTURE_OFFSET_Y_ANGLE:
+                if (buftype != EGL_D3D_TEXTURE_ANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "<buftype> doesn't support setting texture offset");
+                    return false;
+                }
+                break;
+
+            case EGL_PROTECTED_CONTENT_EXT:
+                if (!displayExtensions.protectedContentEXT)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_PROTECTED_CONTEXT_EXT requires "
+                                  "extension EGL_EXT_protected_content.");
+                    return false;
+                }
+                if (value != EGL_TRUE && value != EGL_FALSE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_PROTECTED_CONTENT_EXT must "
+                                  "be either EGL_TRUE or EGL_FALSE.");
+                    return false;
+                }
+                break;
+
+            default:
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+        }
+    }
+
+    EGLAttrib colorspace = attributes.get(EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_LINEAR);
+    if (colorspace != EGL_GL_COLORSPACE_LINEAR && colorspace != EGL_GL_COLORSPACE_SRGB)
+    {
+        val->setError(EGL_BAD_ATTRIBUTE, "invalid GL colorspace");
+        return false;
+    }
+
+    if (!(config->surfaceType & EGL_PBUFFER_BIT))
+    {
+        val->setError(EGL_BAD_MATCH);
+        return false;
+    }
+
+    EGLAttrib textureFormat = attributes.get(EGL_TEXTURE_FORMAT, EGL_NO_TEXTURE);
+    EGLAttrib textureTarget = attributes.get(EGL_TEXTURE_TARGET, EGL_NO_TEXTURE);
+    if ((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) ||
+        (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE))
+    {
+        val->setError(EGL_BAD_MATCH);
+        return false;
+    }
+    if ((textureFormat == EGL_TEXTURE_RGB && config->bindToTextureRGB != EGL_TRUE) ||
+        (textureFormat == EGL_TEXTURE_RGBA && config->bindToTextureRGBA != EGL_TRUE))
+    {
+        // TODO(cwallez@chromium.org): For IOSurface pbuffers we require that EGL_TEXTURE_RGBA is
+        // set so that eglBindTexImage works. Normally this is only allowed if the config exposes
+        // the bindToTextureRGB/RGBA flag. This issue is that enabling this flags means that
+        // eglBindTexImage should also work for regular pbuffers which isn't implemented on macOS.
+        // Instead of adding the flag we special case the check here to be ignored for IOSurfaces.
+        // The TODO is to find a proper solution for this, maybe by implementing eglBindTexImage on
+        // OSX?
+        if (buftype != EGL_IOSURFACE_ANGLE)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE);
+            return false;
+        }
+    }
+
+    if (buftype == EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE)
+    {
+        EGLint width  = static_cast<EGLint>(attributes.get(EGL_WIDTH, 0));
+        EGLint height = static_cast<EGLint>(attributes.get(EGL_HEIGHT, 0));
+
+        if (width == 0 || height == 0)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE);
+            return false;
+        }
+
+        const Caps &caps = display->getCaps();
+        if (textureFormat != EGL_NO_TEXTURE && !caps.textureNPOT &&
+            (!gl::isPow2(width) || !gl::isPow2(height)))
+        {
+            val->setError(EGL_BAD_MATCH);
+            return false;
+        }
+    }
+
+    if (buftype == EGL_IOSURFACE_ANGLE)
+    {
+        if (static_cast<EGLenum>(textureTarget) != config->bindToTextureTarget)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE,
+                          "EGL_IOSURFACE requires the texture target to match the config");
+            return false;
+        }
+        if (textureFormat != EGL_TEXTURE_RGBA)
+        {
+            val->setError(EGL_BAD_ATTRIBUTE, "EGL_IOSURFACE requires the EGL_TEXTURE_RGBA format");
+            return false;
+        }
+
+        if (!attributes.contains(EGL_WIDTH) || !attributes.contains(EGL_HEIGHT) ||
+            !attributes.contains(EGL_TEXTURE_FORMAT) ||
+            !attributes.contains(EGL_TEXTURE_TYPE_ANGLE) ||
+            !attributes.contains(EGL_TEXTURE_INTERNAL_FORMAT_ANGLE) ||
+            !attributes.contains(EGL_IOSURFACE_PLANE_ANGLE))
+        {
+            val->setError(EGL_BAD_PARAMETER, "Missing required attribute for EGL_IOSURFACE");
+            return false;
+        }
+    }
+
+    ANGLE_EGL_TRY_RETURN(val->eglThread,
+                         display->validateClientBuffer(config, buftype, buffer, attributes),
+                         val->entryPoint, val->labeledObject, false);
+
+    return true;
+}
+
+bool ValidateCreatePixmapSurface(const ValidationContext *val,
+                                 const Display *display,
+                                 const Config *config,
+                                 EGLNativePixmapType pixmap,
+                                 const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(ValidateConfig(val, display, config));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+
+    attributes.initializeWithoutValidation();
+
+    for (const auto &attributePair : attributes)
+    {
+        EGLAttrib attribute = attributePair.first;
+        EGLAttrib value     = attributePair.second;
+
+        switch (attribute)
+        {
+            case EGL_GL_COLORSPACE:
+                ANGLE_VALIDATION_TRY(ValidateColorspaceAttribute(val, displayExtensions, value));
+                break;
+
+            case EGL_VG_COLORSPACE:
+                break;
+            case EGL_VG_ALPHA_FORMAT:
+                break;
+
+            case EGL_TEXTURE_FORMAT:
+                if (!displayExtensions.textureFromPixmapNOK)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "EGL_NOK_texture_from_pixmap is not enabled.");
+                    return false;
+                }
+                switch (value)
+                {
+                    case EGL_NO_TEXTURE:
+                    case EGL_TEXTURE_RGB:
+                    case EGL_TEXTURE_RGBA:
+                        break;
+                    default:
+                        val->setError(EGL_BAD_ATTRIBUTE);
+                        return false;
+                }
+                break;
+
+            case EGL_TEXTURE_TARGET:
+                if (!displayExtensions.textureFromPixmapNOK)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "EGL_NOK_texture_from_pixmap is not enabled.");
+                    return false;
+                }
+                switch (value)
+                {
+                    case EGL_NO_TEXTURE:
+                    case EGL_TEXTURE_2D:
+                        break;
+                    default:
+                        val->setError(EGL_BAD_ATTRIBUTE);
+                        return false;
+                }
+                break;
+
+            case EGL_MIPMAP_TEXTURE:
+                if (!displayExtensions.textureFromPixmapNOK)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "EGL_NOK_texture_from_pixmap is not enabled.");
+                    return false;
+                }
+                break;
+
+            case EGL_PROTECTED_CONTENT_EXT:
+                if (!displayExtensions.protectedContentEXT)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_PROTECTED_CONTEXT_EXT requires "
+                                  "extension EGL_EXT_protected_content.");
+                    return false;
+                }
+                if (value != EGL_TRUE && value != EGL_FALSE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_PROTECTED_CONTENT_EXT must "
+                                  "be either EGL_TRUE or EGL_FALSE.");
+                    return false;
+                }
+                break;
+
+            default:
+                val->setError(EGL_BAD_ATTRIBUTE, "Unknown attribute: 0x%04" PRIxPTR, attribute);
+                return false;
+        }
+    }
+
+    if (!(config->surfaceType & EGL_PIXMAP_BIT))
+    {
+        val->setError(EGL_BAD_MATCH, "Congfig does not suport pixmaps.");
+        return false;
+    }
+
+    ANGLE_EGL_TRY_RETURN(val->eglThread, display->valdiatePixmap(config, pixmap, attributes),
+                         val->entryPoint, val->labeledObject, false);
+
+    return true;
+}
+
+bool ValidateMakeCurrent(const ValidationContext *val,
+                         const Display *display,
+                         const Surface *draw,
+                         const Surface *read,
+                         const gl::Context *context)
+{
+    if (context == EGL_NO_CONTEXT && (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE))
+    {
+        val->setError(EGL_BAD_MATCH, "If ctx is EGL_NO_CONTEXT, surfaces must be EGL_NO_SURFACE");
+        return false;
+    }
+
+    // If ctx is EGL_NO_CONTEXT and either draw or read are not EGL_NO_SURFACE, an EGL_BAD_MATCH
+    // error is generated. EGL_KHR_surfaceless_context allows both surfaces to be EGL_NO_SURFACE.
+    if (context != EGL_NO_CONTEXT && (draw == EGL_NO_SURFACE || read == EGL_NO_SURFACE))
+    {
+        if (display->getExtensions().surfacelessContext)
+        {
+            if ((draw == EGL_NO_SURFACE) != (read == EGL_NO_SURFACE))
+            {
+                val->setError(EGL_BAD_MATCH,
+                              "If ctx is not EGL_NOT_CONTEXT, draw or read must "
+                              "both be EGL_NO_SURFACE, or both not");
+                return false;
+            }
+        }
+        else
+        {
+            val->setError(EGL_BAD_MATCH,
+                          "If ctx is not EGL_NO_CONTEXT, surfaces must not be EGL_NO_SURFACE");
+            return false;
+        }
+    }
+
+    // If either of draw or read is a valid surface and the other is EGL_NO_SURFACE, an
+    // EGL_BAD_MATCH error is generated.
+    if ((read == EGL_NO_SURFACE) != (draw == EGL_NO_SURFACE))
+    {
+        val->setError(EGL_BAD_MATCH,
+                      "read and draw must both be valid surfaces, or both be EGL_NO_SURFACE");
+        return false;
+    }
+
+    if (display == EGL_NO_DISPLAY || !Display::isValidDisplay(display))
+    {
+        val->setError(EGL_BAD_DISPLAY, "'dpy' not a valid EGLDisplay handle");
+        return false;
+    }
+
+    // EGL 1.5 spec: dpy can be uninitialized if all other parameters are null
+    if (!display->isInitialized() &&
+        (context != EGL_NO_CONTEXT || draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE))
+    {
+        val->setError(EGL_NOT_INITIALIZED, "'dpy' not initialized");
+        return false;
+    }
+
+    if (context != EGL_NO_CONTEXT)
+    {
+        ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+    }
+
+    if (display->isInitialized() && display->isDeviceLost())
+    {
+        val->setError(EGL_CONTEXT_LOST);
+        return false;
+    }
+
+    if (draw != EGL_NO_SURFACE)
+    {
+        ANGLE_VALIDATION_TRY(ValidateSurface(val, display, draw));
+    }
+
+    if (read != EGL_NO_SURFACE)
+    {
+        ANGLE_VALIDATION_TRY(ValidateSurface(val, display, read));
+        ANGLE_VALIDATION_TRY(ValidateCompatibleSurface(val, display, context, read));
+    }
+
+    if (draw != read)
+    {
+        if (draw)
+        {
+            ANGLE_VALIDATION_TRY(ValidateCompatibleSurface(val, display, context, draw));
+        }
+        if (read)
+        {
+            ANGLE_VALIDATION_TRY(ValidateCompatibleSurface(val, display, context, read));
+        }
+    }
+    return true;
+}
+
+bool ValidateCreateImage(const ValidationContext *val,
+                         const Display *display,
+                         const gl::Context *context,
+                         EGLenum target,
+                         EGLClientBuffer buffer,
+                         const AttributeMap &attributes)
+{
+
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    attributes.initializeWithoutValidation();
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+
+    // TODO(geofflang): Complete validation from EGL_KHR_image_base:
+    // If the resource specified by <dpy>, <ctx>, <target>, <buffer> and <attrib_list> is itself an
+    // EGLImage sibling, the error EGL_BAD_ACCESS is generated.
+
+    for (AttributeMap::const_iterator attributeIter = attributes.begin();
+         attributeIter != attributes.end(); attributeIter++)
+    {
+        EGLAttrib attribute = attributeIter->first;
+        EGLAttrib value     = attributeIter->second;
+
+        switch (attribute)
+        {
+            case EGL_IMAGE_PRESERVED:
+                switch (value)
+                {
+                    case EGL_TRUE:
+                    case EGL_FALSE:
+                        break;
+
+                    default:
+                        val->setError(EGL_BAD_PARAMETER,
+                                      "EGL_IMAGE_PRESERVED must be EGL_TRUE or EGL_FALSE.");
+                        return false;
+                }
+                break;
+
+            case EGL_GL_TEXTURE_LEVEL:
+                if (!displayExtensions.glTexture2DImage &&
+                    !displayExtensions.glTextureCubemapImage && !displayExtensions.glTexture3DImage)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "EGL_GL_TEXTURE_LEVEL cannot be used "
+                                  "without KHR_gl_texture_*_image support.");
+                    return false;
+                }
+
+                if (value < 0)
+                {
+                    val->setError(EGL_BAD_PARAMETER, "EGL_GL_TEXTURE_LEVEL cannot be negative.");
+                    return false;
+                }
+                break;
+
+            case EGL_GL_TEXTURE_ZOFFSET:
+                if (!displayExtensions.glTexture3DImage)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "EGL_GL_TEXTURE_ZOFFSET cannot be used "
+                                  "without KHR_gl_texture_3D_image support.");
+                    return false;
+                }
+                break;
+
+            case EGL_GL_COLORSPACE:
+                if (!displayExtensions.glColorspace)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "EGL_GL_COLORSPACE cannot be used "
+                                  "without EGL_KHR_gl_colorspace support.");
+                    return false;
+                }
+                switch (value)
+                {
+                    case EGL_GL_COLORSPACE_DEFAULT_EXT:
+                        break;
+                    default:
+                        ANGLE_VALIDATION_TRY(
+                            ValidateColorspaceAttribute(val, displayExtensions, value));
+                        break;
+                }
+                break;
+
+            case EGL_TEXTURE_INTERNAL_FORMAT_ANGLE:
+                if (!displayExtensions.imageD3D11Texture && !displayExtensions.vulkanImageANGLE)
+                {
+                    val->setError(
+                        EGL_BAD_PARAMETER,
+                        "EGL_TEXTURE_INTERNAL_FORMAT_ANGLE cannot be used without "
+                        "EGL_ANGLE_image_d3d11_texture or EGL_ANGLE_vulkan_image support.");
+                    return false;
+                }
+                break;
+
+            case EGL_D3D11_TEXTURE_PLANE_ANGLE:
+                if (!displayExtensions.imageD3D11Texture)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_D3D11_TEXTURE_PLANE_ANGLE cannot be used without "
+                                  "EGL_ANGLE_image_d3d11_texture support.");
+                    return false;
+                }
+                break;
+
+            case EGL_D3D11_TEXTURE_ARRAY_SLICE_ANGLE:
+                if (!displayExtensions.imageD3D11Texture)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_D3D11_TEXTURE_ARRAY_SLICE_ANGLE cannot be used without "
+                                  "EGL_ANGLE_image_d3d11_texture support.");
+                    return false;
+                }
+                break;
+
+            case EGL_WIDTH:
+            case EGL_HEIGHT:
+                if (target != EGL_LINUX_DMA_BUF_EXT)
+                {
+                    val->setError(
+                        EGL_BAD_PARAMETER,
+                        "Parameter cannot be used if target is not EGL_LINUX_DMA_BUF_EXT");
+                    return false;
+                }
+                break;
+
+            case EGL_LINUX_DRM_FOURCC_EXT:
+            case EGL_DMA_BUF_PLANE0_FD_EXT:
+            case EGL_DMA_BUF_PLANE0_OFFSET_EXT:
+            case EGL_DMA_BUF_PLANE0_PITCH_EXT:
+            case EGL_DMA_BUF_PLANE1_FD_EXT:
+            case EGL_DMA_BUF_PLANE1_OFFSET_EXT:
+            case EGL_DMA_BUF_PLANE1_PITCH_EXT:
+            case EGL_DMA_BUF_PLANE2_FD_EXT:
+            case EGL_DMA_BUF_PLANE2_OFFSET_EXT:
+            case EGL_DMA_BUF_PLANE2_PITCH_EXT:
+                if (!displayExtensions.imageDmaBufImportEXT)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "Parameter cannot be used without "
+                                  "EGL_EXT_image_dma_buf_import support.");
+                    return false;
+                }
+                break;
+
+            case EGL_YUV_COLOR_SPACE_HINT_EXT:
+                if (!displayExtensions.imageDmaBufImportEXT)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "Parameter cannot be used without "
+                                  "EGL_EXT_image_dma_buf_import support.");
+                    return false;
+                }
+
+                switch (value)
+                {
+                    case EGL_ITU_REC601_EXT:
+                    case EGL_ITU_REC709_EXT:
+                    case EGL_ITU_REC2020_EXT:
+                        break;
+
+                    default:
+                        val->setError(EGL_BAD_PARAMETER,
+                                      "Invalid value for EGL_YUV_COLOR_SPACE_HINT_EXT.");
+                        return false;
+                }
+                break;
+
+            case EGL_SAMPLE_RANGE_HINT_EXT:
+                if (!displayExtensions.imageDmaBufImportEXT)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "Parameter cannot be used without "
+                                  "EGL_EXT_image_dma_buf_import support.");
+                    return false;
+                }
+
+                switch (value)
+                {
+                    case EGL_YUV_FULL_RANGE_EXT:
+                    case EGL_YUV_NARROW_RANGE_EXT:
+                        break;
+
+                    default:
+                        val->setError(EGL_BAD_PARAMETER,
+                                      "Invalid value for EGL_SAMPLE_RANGE_HINT_EXT.");
+                        return false;
+                }
+                break;
+
+            case EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT:
+            case EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT:
+                if (!displayExtensions.imageDmaBufImportEXT)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "Parameter cannot be used without "
+                                  "EGL_EXT_image_dma_buf_import support.");
+                    return false;
+                }
+
+                switch (value)
+                {
+                    case EGL_YUV_CHROMA_SITING_0_EXT:
+                    case EGL_YUV_CHROMA_SITING_0_5_EXT:
+                        break;
+
+                    default:
+                        val->setError(
+                            EGL_BAD_PARAMETER,
+                            "Invalid value for EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT or "
+                            "EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT.");
+                        return false;
+                }
+                break;
+
+            case EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT:
+            case EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT:
+            case EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT:
+            case EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT:
+            case EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT:
+            case EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT:
+            case EGL_DMA_BUF_PLANE3_FD_EXT:
+            case EGL_DMA_BUF_PLANE3_OFFSET_EXT:
+            case EGL_DMA_BUF_PLANE3_PITCH_EXT:
+            case EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT:
+            case EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT:
+                if (!displayExtensions.imageDmaBufImportModifiersEXT)
+                {
+                    val->setError(EGL_BAD_PARAMETER,
+                                  "Parameter cannot be used without "
+                                  "EGL_EXT_image_dma_buf_import_modifiers support.");
+                    return false;
+                }
+                break;
+
+            case EGL_PROTECTED_CONTENT_EXT:
+                if (!displayExtensions.protectedContentEXT)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_PROTECTED_CONTEXT_EXT requires "
+                                  "extension EGL_EXT_protected_content.");
+                    return false;
+                }
+                if (value != EGL_TRUE && value != EGL_FALSE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "EGL_PROTECTED_CONTENT_EXT must "
+                                  "be either EGL_TRUE or EGL_FALSE.");
+                    return false;
+                }
+                break;
+
+            case EGL_VULKAN_IMAGE_CREATE_INFO_HI_ANGLE:
+            case EGL_VULKAN_IMAGE_CREATE_INFO_LO_ANGLE:
+                if (!displayExtensions.vulkanImageANGLE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "Attribute EGL_VULKAN_IMAGE_CREATE_INFO_{HI,LO}_ANGLE require "
+                                  "extension EGL_ANGLE_vulkan_image.");
+                    return false;
+                }
+                break;
+
+            default:
+                val->setError(EGL_BAD_PARAMETER, "invalid attribute: 0x%04" PRIxPTR "X", attribute);
+                return false;
+        }
+    }
+
+    switch (target)
+    {
+        case EGL_GL_TEXTURE_2D:
+        {
+            if (!displayExtensions.glTexture2DImage)
+            {
+                val->setError(EGL_BAD_PARAMETER, "KHR_gl_texture_2D_image not supported.");
+                return false;
+            }
+
+            if (buffer == 0)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "buffer cannot reference a 2D texture with the name 0.");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+            const gl::Texture *texture =
+                context->getTexture({egl_gl::EGLClientBufferToGLObjectHandle(buffer)});
+            if (texture == nullptr || texture->getType() != gl::TextureType::_2D)
+            {
+                val->setError(EGL_BAD_PARAMETER, "target is not a 2D texture.");
+                return false;
+            }
+
+            if (texture->getBoundSurface() != nullptr)
+            {
+                val->setError(EGL_BAD_ACCESS, "texture has a surface bound to it.");
+                return false;
+            }
+
+            EGLAttrib level = attributes.get(EGL_GL_TEXTURE_LEVEL, 0);
+            if (texture->getWidth(gl::TextureTarget::_2D, static_cast<size_t>(level)) == 0 ||
+                texture->getHeight(gl::TextureTarget::_2D, static_cast<size_t>(level)) == 0)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "target 2D texture does not have a valid size at specified level.");
+                return false;
+            }
+
+            bool protectedContentAttrib =
+                (attributes.getAsInt(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE) != EGL_FALSE);
+            if (protectedContentAttrib != texture->hasProtectedContent())
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "EGL_PROTECTED_CONTENT_EXT attribute does not match protected state "
+                              "of target.");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateCreateImageMipLevelCommon(val, context, texture, level));
+        }
+        break;
+
+        case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+        case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+        case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+        case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+        case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+        case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+        {
+            if (!displayExtensions.glTextureCubemapImage)
+            {
+                val->setError(EGL_BAD_PARAMETER, "KHR_gl_texture_cubemap_image not supported.");
+                return false;
+            }
+
+            if (buffer == 0)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "buffer cannot reference a cubemap texture with the name 0.");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+            const gl::Texture *texture =
+                context->getTexture({egl_gl::EGLClientBufferToGLObjectHandle(buffer)});
+            if (texture == nullptr || texture->getType() != gl::TextureType::CubeMap)
+            {
+                val->setError(EGL_BAD_PARAMETER, "target is not a cubemap texture.");
+                return false;
+            }
+
+            if (texture->getBoundSurface() != nullptr)
+            {
+                val->setError(EGL_BAD_ACCESS, "texture has a surface bound to it.");
+                return false;
+            }
+
+            EGLAttrib level               = attributes.get(EGL_GL_TEXTURE_LEVEL, 0);
+            gl::TextureTarget cubeMapFace = egl_gl::EGLCubeMapTargetToCubeMapTarget(target);
+            if (texture->getWidth(cubeMapFace, static_cast<size_t>(level)) == 0 ||
+                texture->getHeight(cubeMapFace, static_cast<size_t>(level)) == 0)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "target cubemap texture does not have a valid "
+                              "size at specified level and face.");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateCreateImageMipLevelCommon(val, context, texture, level));
+
+            if (level == 0 && !texture->isMipmapComplete() &&
+                CubeTextureHasUnspecifiedLevel0Face(texture))
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "if level is zero and the texture is incomplete, "
+                              "it must have all of its faces specified at level "
+                              "zero.");
+                return false;
+            }
+
+            bool protectedContentAttrib =
+                (attributes.getAsInt(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE) != EGL_FALSE);
+            if (protectedContentAttrib != texture->hasProtectedContent())
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "EGL_PROTECTED_CONTENT_EXT attribute does not match protected state "
+                              "of target.");
+                return false;
+            }
+        }
+        break;
+
+        case EGL_GL_TEXTURE_3D:
+        {
+            if (!displayExtensions.glTexture3DImage)
+            {
+                val->setError(EGL_BAD_PARAMETER, "KHR_gl_texture_3D_image not supported.");
+                return false;
+            }
+
+            if (buffer == 0)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "buffer cannot reference a 3D texture with the name 0.");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+            const gl::Texture *texture =
+                context->getTexture({egl_gl::EGLClientBufferToGLObjectHandle(buffer)});
+            if (texture == nullptr || texture->getType() != gl::TextureType::_3D)
+            {
+                val->setError(EGL_BAD_PARAMETER, "target is not a 3D texture.");
+                return false;
+            }
+
+            if (texture->getBoundSurface() != nullptr)
+            {
+                val->setError(EGL_BAD_ACCESS, "texture has a surface bound to it.");
+                return false;
+            }
+
+            EGLAttrib level   = attributes.get(EGL_GL_TEXTURE_LEVEL, 0);
+            EGLAttrib zOffset = attributes.get(EGL_GL_TEXTURE_ZOFFSET, 0);
+            if (texture->getWidth(gl::TextureTarget::_3D, static_cast<size_t>(level)) == 0 ||
+                texture->getHeight(gl::TextureTarget::_3D, static_cast<size_t>(level)) == 0 ||
+                texture->getDepth(gl::TextureTarget::_3D, static_cast<size_t>(level)) == 0)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "target 3D texture does not have a valid size at specified level.");
+                return false;
+            }
+
+            if (static_cast<size_t>(zOffset) >=
+                texture->getDepth(gl::TextureTarget::_3D, static_cast<size_t>(level)))
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "target 3D texture does not have enough layers "
+                              "for the specified Z offset at the specified "
+                              "level.");
+                return false;
+            }
+
+            bool protectedContentAttrib =
+                (attributes.getAsInt(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE) != EGL_FALSE);
+            if (protectedContentAttrib != texture->hasProtectedContent())
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "EGL_PROTECTED_CONTENT_EXT attribute does not match protected state "
+                              "of target.");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateCreateImageMipLevelCommon(val, context, texture, level));
+        }
+        break;
+
+        case EGL_GL_RENDERBUFFER:
+        {
+            if (!displayExtensions.glRenderbufferImage)
+            {
+                val->setError(EGL_BAD_PARAMETER, "KHR_gl_renderbuffer_image not supported.");
+                return false;
+            }
+
+            if (attributes.contains(EGL_GL_TEXTURE_LEVEL))
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "EGL_GL_TEXTURE_LEVEL cannot be used in "
+                              "conjunction with a renderbuffer target.");
+                return false;
+            }
+
+            if (buffer == 0)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "buffer cannot reference a renderbuffer with the name 0.");
+                return false;
+            }
+
+            ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+            const gl::Renderbuffer *renderbuffer =
+                context->getRenderbuffer({egl_gl::EGLClientBufferToGLObjectHandle(buffer)});
+            if (renderbuffer == nullptr)
+            {
+                val->setError(EGL_BAD_PARAMETER, "target is not a renderbuffer.");
+                return false;
+            }
+
+            if (renderbuffer->getSamples() > 0)
+            {
+                val->setError(EGL_BAD_PARAMETER, "target renderbuffer cannot be multisampled.");
+                return false;
+            }
+
+            bool protectedContentAttrib =
+                (attributes.getAsInt(EGL_PROTECTED_CONTENT_EXT, EGL_FALSE) != EGL_FALSE);
+            if (protectedContentAttrib != renderbuffer->hasProtectedContent())
+            {
+                val->setError(EGL_BAD_ACCESS,
+                              "EGL_PROTECTED_CONTENT_EXT attribute does not match protected state "
+                              "of target.");
+                return false;
+            }
+        }
+        break;
+
+        case EGL_NATIVE_BUFFER_ANDROID:
+        {
+            if (!displayExtensions.imageNativeBuffer)
+            {
+                val->setError(EGL_BAD_PARAMETER, "EGL_ANDROID_image_native_buffer not supported.");
+                return false;
+            }
+
+            if (context != nullptr)
+            {
+                val->setError(EGL_BAD_CONTEXT, "ctx must be EGL_NO_CONTEXT.");
+                return false;
+            }
+
+            ANGLE_EGL_TRY_RETURN(
+                val->eglThread,
+                display->validateImageClientBuffer(context, target, buffer, attributes),
+                val->entryPoint, val->labeledObject, false);
+        }
+        break;
+
+        case EGL_D3D11_TEXTURE_ANGLE:
+            if (!displayExtensions.imageD3D11Texture)
+            {
+                val->setError(EGL_BAD_PARAMETER, "EGL_ANGLE_image_d3d11_texture not supported.");
+                return false;
+            }
+
+            if (context != nullptr)
+            {
+                val->setError(EGL_BAD_CONTEXT, "ctx must be EGL_NO_CONTEXT.");
+                return false;
+            }
+
+            ANGLE_EGL_TRY_RETURN(
+                val->eglThread,
+                display->validateImageClientBuffer(context, target, buffer, attributes),
+                val->entryPoint, val->labeledObject, false);
+            break;
+
+        case EGL_LINUX_DMA_BUF_EXT:
+            if (!displayExtensions.imageDmaBufImportEXT)
+            {
+                val->setError(EGL_BAD_PARAMETER, "EGL_EXT_image_dma_buf_import not supported.");
+                return false;
+            }
+
+            if (context != nullptr)
+            {
+                val->setError(EGL_BAD_CONTEXT, "ctx must be EGL_NO_CONTEXT.");
+                return false;
+            }
+
+            if (buffer != nullptr)
+            {
+                val->setError(EGL_BAD_PARAMETER, "buffer must be NULL.");
+                return false;
+            }
+
+            {
+                EGLenum kRequiredParameters[] = {EGL_WIDTH,
+                                                 EGL_HEIGHT,
+                                                 EGL_LINUX_DRM_FOURCC_EXT,
+                                                 EGL_DMA_BUF_PLANE0_FD_EXT,
+                                                 EGL_DMA_BUF_PLANE0_OFFSET_EXT,
+                                                 EGL_DMA_BUF_PLANE0_PITCH_EXT};
+                for (EGLenum requiredParameter : kRequiredParameters)
+                {
+                    if (!attributes.contains(requiredParameter))
+                    {
+                        val->setError(EGL_BAD_PARAMETER,
+                                      "Missing required parameter 0x%X for image target "
+                                      "EGL_LINUX_DMA_BUF_EXT.",
+                                      requiredParameter);
+                        return false;
+                    }
+                }
+
+                bool containPlane0ModifierLo =
+                    attributes.contains(EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT);
+                bool containPlane0ModifierHi =
+                    attributes.contains(EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT);
+                bool containPlane1ModifierLo =
+                    attributes.contains(EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT);
+                bool containPlane1ModifierHi =
+                    attributes.contains(EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT);
+                bool containPlane2ModifierLo =
+                    attributes.contains(EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT);
+                bool containPlane2ModifierHi =
+                    attributes.contains(EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT);
+                bool containPlane3ModifierLo =
+                    attributes.contains(EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT);
+                bool containPlane3ModifierHi =
+                    attributes.contains(EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT);
+                if ((containPlane0ModifierLo ^ containPlane0ModifierHi) ||
+                    (containPlane1ModifierLo ^ containPlane1ModifierHi) ||
+                    (containPlane2ModifierLo ^ containPlane2ModifierHi) ||
+                    (containPlane3ModifierLo ^ containPlane3ModifierHi))
+                {
+                    val->setError(
+                        EGL_BAD_PARAMETER,
+                        "the list of attributes contains EGL_DMA_BUF_PLANE*_MODIFIER_LO_EXT "
+                        "but not EGL_DMA_BUF_PLANE*_MODIFIER_HI_EXT or vice versa.");
+                    return false;
+                }
+            }
+            break;
+
+        case EGL_METAL_TEXTURE_ANGLE:
+            if (!displayExtensions.mtlTextureClientBuffer)
+            {
+                val->setError(EGL_BAD_PARAMETER,
+                              "EGL_ANGLE_metal_texture_client_buffer not supported.");
+                return false;
+            }
+
+            if (context != nullptr)
+            {
+                val->setError(EGL_BAD_CONTEXT, "ctx must be EGL_NO_CONTEXT.");
+                return false;
+            }
+
+            ANGLE_EGL_TRY_RETURN(
+                val->eglThread,
+                display->validateImageClientBuffer(context, target, buffer, attributes),
+                val->entryPoint, val->labeledObject, false);
+            break;
+        case EGL_VULKAN_IMAGE_ANGLE:
+            if (!displayExtensions.vulkanImageANGLE)
+            {
+                val->setError(EGL_BAD_PARAMETER, "EGL_ANGLE_vulkan_image not supported.");
+                return false;
+            }
+
+            if (context != nullptr)
+            {
+                val->setError(EGL_BAD_CONTEXT, "ctx must be EGL_NO_CONTEXT.");
+                return false;
+            }
+
+            {
+                const EGLenum kRequiredParameters[] = {
+                    EGL_VULKAN_IMAGE_CREATE_INFO_HI_ANGLE,
+                    EGL_VULKAN_IMAGE_CREATE_INFO_LO_ANGLE,
+                };
+                for (EGLenum requiredParameter : kRequiredParameters)
+                {
+                    if (!attributes.contains(requiredParameter))
+                    {
+                        val->setError(EGL_BAD_PARAMETER,
+                                      "Missing required parameter 0x%X for image target "
+                                      "EGL_VULKAN_IMAGE_ANGLE.",
+                                      requiredParameter);
+                        return false;
+                    }
+                }
+            }
+
+            ANGLE_EGL_TRY_RETURN(
+                val->eglThread,
+                display->validateImageClientBuffer(context, target, buffer, attributes),
+                val->entryPoint, val->labeledObject, false);
+            break;
+        default:
+            val->setError(EGL_BAD_PARAMETER, "invalid target: 0x%X", target);
+            return false;
+    }
+
+    if (attributes.contains(EGL_GL_TEXTURE_ZOFFSET) && target != EGL_GL_TEXTURE_3D)
+    {
+        val->setError(EGL_BAD_PARAMETER,
+                      "EGL_GL_TEXTURE_ZOFFSET must be used with a 3D texture target.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDestroyImage(const ValidationContext *val, const Display *display, const Image *image)
+{
+    ANGLE_VALIDATION_TRY(ValidateImage(val, display, image));
+
+    return true;
+}
+
+bool ValidateCreateImageKHR(const ValidationContext *val,
+                            const Display *display,
+                            const gl::Context *context,
+                            EGLenum target,
+                            EGLClientBuffer buffer,
+                            const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().imageBase && !display->getExtensions().image)
+    {
+        // It is out of spec what happens when calling an extension function when the extension is
+        // not available.
+        // EGL_BAD_DISPLAY seems like a reasonable error.
+        val->setError(EGL_BAD_DISPLAY, "EGL_KHR_image not supported.");
+        return false;
+    }
+
+    return ValidateCreateImage(val, display, context, target, buffer, attributes);
+}
+
+bool ValidateDestroyImageKHR(const ValidationContext *val,
+                             const Display *display,
+                             const Image *image)
+{
+    ANGLE_VALIDATION_TRY(ValidateImage(val, display, image));
+
+    if (!display->getExtensions().imageBase && !display->getExtensions().image)
+    {
+        // It is out of spec what happens when calling an extension function when the extension is
+        // not available.
+        // EGL_BAD_DISPLAY seems like a reasonable error.
+        val->setError(EGL_BAD_DISPLAY);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateDeviceANGLE(const ValidationContext *val,
+                               EGLint device_type,
+                               const void *native_device,
+                               const EGLAttrib *attrib_list)
+{
+    const ClientExtensions &clientExtensions = Display::GetClientExtensions();
+    if (!clientExtensions.deviceCreation)
+    {
+        val->setError(EGL_BAD_ACCESS, "Device creation extension not active");
+        return false;
+    }
+
+    if (attrib_list != nullptr && attrib_list[0] != EGL_NONE)
+    {
+        val->setError(EGL_BAD_ATTRIBUTE, "Invalid attrib_list parameter");
+        return false;
+    }
+
+    switch (device_type)
+    {
+        case EGL_D3D11_DEVICE_ANGLE:
+            if (!clientExtensions.deviceCreationD3D11)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "D3D11 device creation extension not active");
+                return false;
+            }
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid device_type parameter");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateReleaseDeviceANGLE(const ValidationContext *val, const Device *device)
+{
+    const ClientExtensions &clientExtensions = Display::GetClientExtensions();
+    if (!clientExtensions.deviceCreation)
+    {
+        val->setError(EGL_BAD_ACCESS, "Device creation extension not active");
+        return false;
+    }
+
+    if (device == EGL_NO_DEVICE_EXT || !Device::IsValidDevice(device))
+    {
+        val->setError(EGL_BAD_DEVICE_EXT, "Invalid device parameter");
+        return false;
+    }
+
+    Display *owningDisplay = device->getOwningDisplay();
+    if (owningDisplay != nullptr)
+    {
+        val->setError(EGL_BAD_DEVICE_EXT, "Device must have been created using eglCreateDevice");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateSync(const ValidationContext *val,
+                        const Display *display,
+                        EGLenum type,
+                        const AttributeMap &attribs)
+{
+    return ValidateCreateSyncBase(val, display, type, attribs, false);
+}
+
+bool ValidateCreateSyncKHR(const ValidationContext *val,
+                           const Display *display,
+                           EGLenum type,
+                           const AttributeMap &attribs)
+{
+    return ValidateCreateSyncBase(val, display, type, attribs, true);
+}
+
+bool ValidateDestroySync(const ValidationContext *val, const Display *display, const Sync *sync)
+{
+    ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+    return true;
+}
+
+bool ValidateDestroySyncKHR(const ValidationContext *val,
+                            const Display *dpyPacked,
+                            const Sync *syncPacked)
+{
+    return ValidateDestroySync(val, dpyPacked, syncPacked);
+}
+
+bool ValidateClientWaitSync(const ValidationContext *val,
+                            const Display *display,
+                            const Sync *sync,
+                            EGLint flags,
+                            EGLTime timeout)
+{
+    ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+    return true;
+}
+
+bool ValidateClientWaitSyncKHR(const ValidationContext *val,
+                               const Display *dpyPacked,
+                               const Sync *syncPacked,
+                               EGLint flags,
+                               EGLTimeKHR timeout)
+{
+    return ValidateClientWaitSync(val, dpyPacked, syncPacked, flags, timeout);
+}
+
+bool ValidateWaitSync(const ValidationContext *val,
+                      const Display *display,
+                      const Sync *sync,
+                      EGLint flags)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &extensions = display->getExtensions();
+    if (!extensions.waitSync)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_KHR_wait_sync extension is not available");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+
+    gl::Context *context = val->eglThread->getContext();
+    if (context == nullptr)
+    {
+        val->setError(EGL_BAD_MATCH, "No context is current.");
+        return false;
+    }
+
+    if (!context->getExtensions().EGLSyncOES)
+    {
+        val->setError(EGL_BAD_MATCH,
+                      "Server-side waits cannot be performed without "
+                      "GL_OES_EGL_sync support.");
+        return false;
+    }
+
+    if (flags != 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "flags must be zero");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateWaitSyncKHR(const ValidationContext *val,
+                         const Display *dpyPacked,
+                         const Sync *syncPacked,
+                         EGLint flags)
+{
+    return ValidateWaitSync(val, dpyPacked, syncPacked, flags);
+}
+
+bool ValidateGetSyncAttrib(const ValidationContext *val,
+                           const Display *display,
+                           const Sync *sync,
+                           EGLint attribute,
+                           const EGLAttrib *value)
+{
+    if (value == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "Invalid value parameter");
+        return false;
+    }
+    return ValidateGetSyncAttribBase(val, display, sync, attribute);
+}
+
+bool ValidateGetSyncAttribKHR(const ValidationContext *val,
+                              const Display *display,
+                              const Sync *sync,
+                              EGLint attribute,
+                              const EGLint *value)
+{
+    if (value == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "Invalid value parameter");
+        return false;
+    }
+    return ValidateGetSyncAttribBase(val, display, sync, attribute);
+}
+
+bool ValidateCreateStreamKHR(const ValidationContext *val,
+                             const Display *display,
+                             const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.stream)
+    {
+        val->setError(EGL_BAD_ALLOC, "Stream extension not active");
+        return false;
+    }
+
+    attributes.initializeWithoutValidation();
+
+    for (const auto &attributeIter : attributes)
+    {
+        EGLAttrib attribute = attributeIter.first;
+        EGLAttrib value     = attributeIter.second;
+
+        ANGLE_VALIDATION_TRY(ValidateStreamAttribute(val, attribute, value, displayExtensions));
+    }
+
+    return true;
+}
+
+bool ValidateDestroyStreamKHR(const ValidationContext *val,
+                              const Display *display,
+                              const Stream *stream)
+{
+    ANGLE_VALIDATION_TRY(ValidateStream(val, display, stream));
+    return true;
+}
+
+bool ValidateStreamAttribKHR(const ValidationContext *val,
+                             const Display *display,
+                             const Stream *stream,
+                             EGLenum attribute,
+                             EGLint value)
+{
+    ANGLE_VALIDATION_TRY(ValidateStream(val, display, stream));
+
+    if (stream->getState() == EGL_STREAM_STATE_DISCONNECTED_KHR)
+    {
+        val->setError(EGL_BAD_STATE_KHR, "Bad stream state");
+        return false;
+    }
+
+    return ValidateStreamAttribute(val, attribute, value, display->getExtensions());
+}
+
+bool ValidateQueryStreamKHR(const ValidationContext *val,
+                            const Display *display,
+                            const Stream *stream,
+                            EGLenum attribute,
+                            const EGLint *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateStream(val, display, stream));
+
+    switch (attribute)
+    {
+        case EGL_STREAM_STATE_KHR:
+        case EGL_CONSUMER_LATENCY_USEC_KHR:
+            break;
+        case EGL_CONSUMER_ACQUIRE_TIMEOUT_USEC_KHR:
+            if (!display->getExtensions().streamConsumerGLTexture)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "Consumer GLTexture extension not active");
+                return false;
+            }
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateQueryStreamu64KHR(const ValidationContext *val,
+                               const Display *display,
+                               const Stream *stream,
+                               EGLenum attribute,
+                               const EGLuint64KHR *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateStream(val, display, stream));
+
+    switch (attribute)
+    {
+        case EGL_CONSUMER_FRAME_KHR:
+        case EGL_PRODUCER_FRAME_KHR:
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateStreamConsumerGLTextureExternalKHR(const ValidationContext *val,
+                                                const Display *display,
+                                                const Stream *stream)
+{
+    gl::Context *context = val->eglThread->getContext();
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.streamConsumerGLTexture)
+    {
+        val->setError(EGL_BAD_ACCESS, "Stream consumer extension not active");
+        return false;
+    }
+
+    if (!context->getExtensions().EGLStreamConsumerExternalNV)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL stream consumer external GL extension not enabled");
+        return false;
+    }
+
+    if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
+    {
+        val->setError(EGL_BAD_STREAM_KHR, "Invalid stream");
+        return false;
+    }
+
+    if (stream->getState() != EGL_STREAM_STATE_CREATED_KHR)
+    {
+        val->setError(EGL_BAD_STATE_KHR, "Invalid stream state");
+        return false;
+    }
+
+    // Lookup the texture and ensure it is correct
+    gl::Texture *texture = context->getState().getTargetTexture(gl::TextureType::External);
+    if (texture == nullptr || texture->id().value == 0)
+    {
+        val->setError(EGL_BAD_ACCESS, "No external texture bound");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStreamConsumerAcquireKHR(const ValidationContext *val,
+                                      const Display *display,
+                                      const Stream *stream)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.streamConsumerGLTexture)
+    {
+        val->setError(EGL_BAD_ACCESS, "Stream consumer extension not active");
+        return false;
+    }
+
+    if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
+    {
+        val->setError(EGL_BAD_STREAM_KHR, "Invalid stream");
+        return false;
+    }
+
+    gl::Context *context = val->eglThread->getContext();
+    if (!context)
+    {
+        val->setError(EGL_BAD_ACCESS, "No GL context current to calling thread.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+
+    if (!stream->isConsumerBoundToContext(context))
+    {
+        val->setError(EGL_BAD_ACCESS, "Current GL context not associated with stream consumer");
+        return false;
+    }
+
+    if (stream->getConsumerType() != Stream::ConsumerType::GLTextureRGB &&
+        stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV)
+    {
+        val->setError(EGL_BAD_ACCESS, "Invalid stream consumer type");
+        return false;
+    }
+
+    // Note: technically EGL_STREAM_STATE_EMPTY_KHR is a valid state when the timeout is non-zero.
+    // However, the timeout is effectively ignored since it has no useful functionality with the
+    // current producers that are implemented, so we don't allow that state
+    if (stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR &&
+        stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR)
+    {
+        val->setError(EGL_BAD_STATE_KHR, "Invalid stream state");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStreamConsumerReleaseKHR(const ValidationContext *val,
+                                      const Display *display,
+                                      const Stream *stream)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.streamConsumerGLTexture)
+    {
+        val->setError(EGL_BAD_ACCESS, "Stream consumer extension not active");
+        return false;
+    }
+
+    if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
+    {
+        val->setError(EGL_BAD_STREAM_KHR, "Invalid stream");
+        return false;
+    }
+
+    gl::Context *context = val->eglThread->getContext();
+    if (!context)
+    {
+        val->setError(EGL_BAD_ACCESS, "No GL context current to calling thread.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+
+    if (!stream->isConsumerBoundToContext(context))
+    {
+        val->setError(EGL_BAD_ACCESS, "Current GL context not associated with stream consumer");
+        return false;
+    }
+
+    if (stream->getConsumerType() != Stream::ConsumerType::GLTextureRGB &&
+        stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV)
+    {
+        val->setError(EGL_BAD_ACCESS, "Invalid stream consumer type");
+        return false;
+    }
+
+    if (stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR &&
+        stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR)
+    {
+        val->setError(EGL_BAD_STATE_KHR, "Invalid stream state");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStreamConsumerGLTextureExternalAttribsNV(const ValidationContext *val,
+                                                      const Display *display,
+                                                      const Stream *stream,
+                                                      const AttributeMap &attribs)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.streamConsumerGLTexture)
+    {
+        val->setError(EGL_BAD_ACCESS, "Stream consumer extension not active");
+        return false;
+    }
+
+    gl::Context *context = val->eglThread->getContext();
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+
+    // Although technically not a requirement in spec, the context needs to be checked for support
+    // for external textures or future logic will cause assertations. This extension is also
+    // effectively useless without external textures.
+    if (!context->getExtensions().EGLStreamConsumerExternalNV)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL stream consumer external GL extension not enabled");
+        return false;
+    }
+
+    if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
+    {
+        val->setError(EGL_BAD_STREAM_KHR, "Invalid stream");
+        return false;
+    }
+
+    if (stream->getState() != EGL_STREAM_STATE_CREATED_KHR)
+    {
+        val->setError(EGL_BAD_STATE_KHR, "Invalid stream state");
+        return false;
+    }
+
+    const gl::Caps &glCaps = context->getCaps();
+
+    EGLAttrib colorBufferType = EGL_RGB_BUFFER;
+    EGLAttrib planeCount      = -1;
+    EGLAttrib plane[3];
+    for (int i = 0; i < 3; i++)
+    {
+        plane[i] = -1;
+    }
+
+    attribs.initializeWithoutValidation();
+
+    for (const auto &attributeIter : attribs)
+    {
+        EGLAttrib attribute = attributeIter.first;
+        EGLAttrib value     = attributeIter.second;
+
+        switch (attribute)
+        {
+            case EGL_COLOR_BUFFER_TYPE:
+                if (value != EGL_RGB_BUFFER && value != EGL_YUV_BUFFER_EXT)
+                {
+                    val->setError(EGL_BAD_PARAMETER, "Invalid color buffer type");
+                    return false;
+                }
+                colorBufferType = value;
+                break;
+            case EGL_YUV_NUMBER_OF_PLANES_EXT:
+                // planeCount = -1 is a tag for the default plane count so the value must be checked
+                // to be positive here to ensure future logic doesn't break on invalid negative
+                // inputs
+                if (value < 0)
+                {
+                    val->setError(EGL_BAD_MATCH, "Invalid plane count");
+                    return false;
+                }
+                planeCount = value;
+                break;
+            default:
+                if (attribute >= EGL_YUV_PLANE0_TEXTURE_UNIT_NV &&
+                    attribute <= EGL_YUV_PLANE2_TEXTURE_UNIT_NV)
+                {
+                    if ((value < 0 ||
+                         value >= static_cast<EGLAttrib>(glCaps.maxCombinedTextureImageUnits)) &&
+                        value != EGL_NONE)
+                    {
+                        val->setError(EGL_BAD_ACCESS, "Invalid texture unit");
+                        return false;
+                    }
+                    plane[attribute - EGL_YUV_PLANE0_TEXTURE_UNIT_NV] = value;
+                }
+                else
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+                    return false;
+                }
+        }
+    }
+
+    if (colorBufferType == EGL_RGB_BUFFER)
+    {
+        if (planeCount > 0)
+        {
+            val->setError(EGL_BAD_MATCH, "Plane count must be 0 for RGB buffer");
+            return false;
+        }
+        for (int i = 0; i < 3; i++)
+        {
+            if (plane[i] != -1)
+            {
+                val->setError(EGL_BAD_MATCH, "Planes cannot be specified");
+                return false;
+            }
+        }
+
+        // Lookup the texture and ensure it is correct
+        gl::Texture *texture = context->getState().getTargetTexture(gl::TextureType::External);
+        if (texture == nullptr || texture->id().value == 0)
+        {
+            val->setError(EGL_BAD_ACCESS, "No external texture bound");
+            return false;
+        }
+    }
+    else
+    {
+        if (planeCount == -1)
+        {
+            planeCount = 2;
+        }
+        if (planeCount < 1 || planeCount > 3)
+        {
+            val->setError(EGL_BAD_MATCH, "Invalid YUV plane count");
+            return false;
+        }
+        for (EGLAttrib i = planeCount; i < 3; i++)
+        {
+            if (plane[i] != -1)
+            {
+                val->setError(EGL_BAD_MATCH, "Invalid plane specified");
+                return false;
+            }
+        }
+
+        // Set to ensure no texture is referenced more than once
+        std::set<gl::Texture *> textureSet;
+        for (EGLAttrib i = 0; i < planeCount; i++)
+        {
+            if (plane[i] == -1)
+            {
+                val->setError(EGL_BAD_MATCH, "Not all planes specified");
+                return false;
+            }
+            if (plane[i] != EGL_NONE)
+            {
+                gl::Texture *texture = context->getState().getSamplerTexture(
+                    static_cast<unsigned int>(plane[i]), gl::TextureType::External);
+                if (texture == nullptr || texture->id().value == 0)
+                {
+                    val->setError(
+                        EGL_BAD_ACCESS,
+                        "No external texture bound at one or more specified texture units");
+                    return false;
+                }
+                if (textureSet.find(texture) != textureSet.end())
+                {
+                    val->setError(EGL_BAD_ACCESS, "Multiple planes bound to same texture object");
+                    return false;
+                }
+                textureSet.insert(texture);
+            }
+        }
+    }
+
+    return true;
+}
+
+bool ValidateCreateStreamProducerD3DTextureANGLE(const ValidationContext *val,
+                                                 const Display *display,
+                                                 const Stream *stream,
+                                                 const AttributeMap &attribs)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.streamProducerD3DTexture)
+    {
+        val->setError(EGL_BAD_ACCESS, "Stream producer extension not active");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateStream(val, display, stream));
+
+    attribs.initializeWithoutValidation();
+
+    if (!attribs.isEmpty())
+    {
+        val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+        return false;
+    }
+
+    if (stream->getState() != EGL_STREAM_STATE_CONNECTING_KHR)
+    {
+        val->setError(EGL_BAD_STATE_KHR, "Stream not in connecting state");
+        return false;
+    }
+
+    switch (stream->getConsumerType())
+    {
+        case Stream::ConsumerType::GLTextureYUV:
+            if (stream->getPlaneCount() != 2)
+            {
+                val->setError(EGL_BAD_MATCH, "Incompatible stream consumer type");
+                return false;
+            }
+            break;
+
+        case Stream::ConsumerType::GLTextureRGB:
+            if (stream->getPlaneCount() != 1)
+            {
+                val->setError(EGL_BAD_MATCH, "Incompatible stream consumer type");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_MATCH, "Incompatible stream consumer type");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateStreamPostD3DTextureANGLE(const ValidationContext *val,
+                                       const Display *display,
+                                       const Stream *stream,
+                                       const void *texture,
+                                       const AttributeMap &attribs)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.streamProducerD3DTexture)
+    {
+        val->setError(EGL_BAD_ACCESS, "Stream producer extension not active");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateStream(val, display, stream));
+
+    attribs.initializeWithoutValidation();
+
+    for (auto &attributeIter : attribs)
+    {
+        EGLAttrib attribute = attributeIter.first;
+        EGLAttrib value     = attributeIter.second;
+
+        switch (attribute)
+        {
+            case EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE:
+                if (value < 0)
+                {
+                    val->setError(EGL_BAD_PARAMETER, "Invalid subresource index");
+                    return false;
+                }
+                break;
+            case EGL_NATIVE_BUFFER_PLANE_OFFSET_IMG:
+                if (value < 0)
+                {
+                    val->setError(EGL_BAD_PARAMETER, "Invalid plane offset");
+                    return false;
+                }
+                break;
+            default:
+                val->setError(EGL_BAD_ATTRIBUTE, "Invalid attribute");
+                return false;
+        }
+    }
+
+    if (stream->getState() != EGL_STREAM_STATE_EMPTY_KHR &&
+        stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR &&
+        stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR)
+    {
+        val->setError(EGL_BAD_STATE_KHR, "Stream not fully configured");
+        return false;
+    }
+
+    if (stream->getProducerType() != Stream::ProducerType::D3D11Texture)
+    {
+        val->setError(EGL_BAD_MATCH, "Incompatible stream producer");
+        return false;
+    }
+
+    if (texture == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "Texture is null");
+        return false;
+    }
+
+    ANGLE_EGL_TRY_RETURN(val->eglThread, stream->validateD3D11Texture(texture, attribs),
+                         val->entryPoint, val->labeledObject, false);
+
+    return true;
+}
+
+bool ValidateSyncControlCHROMIUM(const ValidationContext *val,
+                                 const Display *display,
+                                 const Surface *eglSurface)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, eglSurface));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.syncControlCHROMIUM)
+    {
+        val->setError(EGL_BAD_ACCESS, "syncControlCHROMIUM extension not active");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSyncControlRateANGLE(const ValidationContext *val,
+                                  const Display *display,
+                                  const Surface *eglSurface)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, eglSurface));
+
+    const DisplayExtensions &displayExtensions = display->getExtensions();
+    if (!displayExtensions.syncControlRateANGLE)
+    {
+        val->setError(EGL_BAD_ACCESS, "syncControlRateANGLE extension not active");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetMscRateANGLE(const ValidationContext *val,
+                             const Display *display,
+                             const Surface *eglSurface,
+                             const EGLint *numerator,
+                             const EGLint *denominator)
+{
+    ANGLE_VALIDATION_TRY(ValidateSyncControlRateANGLE(val, display, eglSurface));
+
+    if (numerator == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "numerator is null");
+        return false;
+    }
+    if (denominator == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "denominator is null");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetSyncValuesCHROMIUM(const ValidationContext *val,
+                                   const Display *display,
+                                   const Surface *eglSurface,
+                                   const EGLuint64KHR *ust,
+                                   const EGLuint64KHR *msc,
+                                   const EGLuint64KHR *sbc)
+{
+    ANGLE_VALIDATION_TRY(ValidateSyncControlCHROMIUM(val, display, eglSurface));
+
+    if (ust == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "ust is null");
+        return false;
+    }
+    if (msc == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "msc is null");
+        return false;
+    }
+    if (sbc == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "sbc is null");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDestroySurface(const ValidationContext *val,
+                            const Display *display,
+                            const Surface *surface)
+{
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+    return true;
+}
+
+bool ValidateDestroyContext(const ValidationContext *val,
+                            const Display *display,
+                            const gl::Context *glCtx)
+{
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, glCtx));
+    return true;
+}
+
+bool ValidateSwapBuffers(const ValidationContext *val,
+                         const Display *display,
+                         const Surface *eglSurface)
+{
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, eglSurface));
+
+    if (display->isDeviceLost())
+    {
+        val->setError(EGL_CONTEXT_LOST);
+        return false;
+    }
+
+    if (eglSurface->isLocked())
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    if (eglSurface == EGL_NO_SURFACE || !val->eglThread->getContext() ||
+        val->eglThread->getCurrentDrawSurface() != eglSurface)
+    {
+        val->setError(EGL_BAD_SURFACE);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSwapBuffersWithDamageKHR(const ValidationContext *val,
+                                      const Display *display,
+                                      const Surface *surface,
+                                      const EGLint *rects,
+                                      EGLint n_rects)
+{
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (!display->getExtensions().swapBuffersWithDamage)
+    {
+        // It is out of spec what happens when calling an extension function when the extension is
+        // not available. EGL_BAD_DISPLAY seems like a reasonable error.
+        val->setError(EGL_BAD_DISPLAY, "EGL_KHR_swap_buffers_with_damage is not available.");
+        return false;
+    }
+
+    if (surface == EGL_NO_SURFACE)
+    {
+        val->setError(EGL_BAD_SURFACE, "Swap surface cannot be EGL_NO_SURFACE.");
+        return false;
+    }
+
+    if (n_rects < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "n_rects cannot be negative.");
+        return false;
+    }
+
+    if (n_rects > 0 && rects == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "n_rects cannot be greater than zero when rects is NULL.");
+        return false;
+    }
+
+    if (surface->isLocked())
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    // TODO(jmadill): Validate Surface is bound to the thread.
+
+    return true;
+}
+
+bool ValidateWaitNative(const ValidationContext *val, const EGLint engine)
+{
+    if (val->eglThread->getDisplay() == nullptr)
+    {
+        // EGL spec says this about eglWaitNative -
+        //    eglWaitNative is ignored if there is no current EGL rendering context.
+        return true;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, val->eglThread->getDisplay()));
+
+    if (engine != EGL_CORE_NATIVE_ENGINE)
+    {
+        val->setError(EGL_BAD_PARAMETER, "the 'engine' parameter has an unrecognized value");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyBuffers(const ValidationContext *val,
+                         const Display *display,
+                         const Surface *surface,
+                         EGLNativePixmapType target)
+{
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (display->isDeviceLost())
+    {
+        val->setError(EGL_CONTEXT_LOST);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindTexImage(const ValidationContext *val,
+                          const Display *display,
+                          const Surface *surface,
+                          const EGLint buffer)
+{
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (buffer != EGL_BACK_BUFFER)
+    {
+        val->setError(EGL_BAD_PARAMETER);
+        return false;
+    }
+
+    if (surface->getType() == EGL_WINDOW_BIT)
+    {
+        val->setError(EGL_BAD_SURFACE);
+        return false;
+    }
+
+    if (surface->getBoundTexture())
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    if (surface->getTextureFormat() == TextureFormat::NoTexture)
+    {
+        val->setError(EGL_BAD_MATCH);
+        return false;
+    }
+
+    if (surface->isLocked())
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    gl::Context *context = val->eglThread->getContext();
+    if (context && !context->isContextLost())
+    {
+        gl::TextureType type = egl_gl::EGLTextureTargetToTextureType(surface->getTextureTarget());
+        gl::Texture *textureObject = context->getTextureByType(type);
+        ASSERT(textureObject != nullptr);
+
+        if (textureObject->getImmutableFormat())
+        {
+            val->setError(EGL_BAD_MATCH);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateReleaseTexImage(const ValidationContext *val,
+                             const Display *display,
+                             const Surface *surface,
+                             const EGLint buffer)
+{
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (buffer != EGL_BACK_BUFFER)
+    {
+        val->setError(EGL_BAD_PARAMETER);
+        return false;
+    }
+
+    if (surface->getType() == EGL_WINDOW_BIT)
+    {
+        val->setError(EGL_BAD_SURFACE);
+        return false;
+    }
+
+    if (surface->getTextureFormat() == TextureFormat::NoTexture)
+    {
+        val->setError(EGL_BAD_MATCH);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSwapInterval(const ValidationContext *val, const Display *display, EGLint interval)
+{
+    const gl::Context *context = val->eglThread->getContext();
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+
+    Surface *drawSurface = val->eglThread->getCurrentDrawSurface();
+    if (drawSurface == nullptr)
+    {
+        val->setError(EGL_BAD_SURFACE);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindAPI(const ValidationContext *val, const EGLenum api)
+{
+    switch (api)
+    {
+        case EGL_OPENGL_ES_API:
+        case EGL_OPENGL_API:
+            break;
+        case EGL_OPENVG_API:
+            val->setError(EGL_BAD_PARAMETER);
+            return false;  // Not supported by this implementation
+        default:
+            val->setError(EGL_BAD_PARAMETER);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidatePresentationTimeANDROID(const ValidationContext *val,
+                                     const Display *display,
+                                     const Surface *surface,
+                                     EGLnsecsANDROID time)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().presentationTime)
+    {
+        // It is out of spec what happens when calling an extension function when the extension is
+        // not available. EGL_BAD_DISPLAY seems like a reasonable error.
+        val->setError(EGL_BAD_DISPLAY, "EGL_ANDROID_presentation_time is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    return true;
+}
+
+bool ValidateSetBlobCacheFuncsANDROID(const ValidationContext *val,
+                                      const Display *display,
+                                      EGLSetBlobFuncANDROID set,
+                                      EGLGetBlobFuncANDROID get)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (display->areBlobCacheFuncsSet())
+    {
+        val->setError(EGL_BAD_PARAMETER,
+                      "Blob cache functions can only be set once in the lifetime of a Display");
+        return false;
+    }
+
+    if (set == nullptr || get == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "Blob cache callbacks cannot be null.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetConfigAttrib(const ValidationContext *val,
+                             const Display *display,
+                             const Config *config,
+                             EGLint attribute,
+                             const EGLint *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateConfig(val, display, config));
+    ANGLE_TRY(ValidateConfigAttribute(val, display, static_cast<EGLAttrib>(attribute)));
+    return true;
+}
+
+bool ValidateChooseConfig(const ValidationContext *val,
+                          const Display *display,
+                          const AttributeMap &attribs,
+                          const EGLConfig *configs,
+                          EGLint configSize,
+                          const EGLint *numConfig)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    ANGLE_VALIDATION_TRY(ValidateConfigAttributes(val, display, attribs));
+
+    if (numConfig == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "num_config cannot be null.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetConfigs(const ValidationContext *val,
+                        const Display *display,
+                        const EGLConfig *configs,
+                        EGLint configSize,
+                        const EGLint *numConfig)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (numConfig == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "num_config cannot be null.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPlatformDisplay(const ValidationContext *val,
+                                EGLenum platform,
+                                const void *native_display,
+                                const AttributeMap &attribMap)
+{
+    return ValidateGetPlatformDisplayCommon(val, platform, native_display, attribMap);
+}
+
+bool ValidateGetPlatformDisplayEXT(const ValidationContext *val,
+                                   EGLenum platform,
+                                   const void *native_display,
+                                   const AttributeMap &attribMap)
+{
+    return ValidateGetPlatformDisplayCommon(val, platform, native_display, attribMap);
+}
+
+bool ValidateCreatePlatformWindowSurfaceEXT(const ValidationContext *val,
+                                            const Display *display,
+                                            const Config *configuration,
+                                            const void *nativeWindow,
+                                            const AttributeMap &attributes)
+{
+    if (!Display::GetClientExtensions().platformBase)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_EXT_platform_base not supported");
+        return false;
+    }
+
+    const void *actualNativeWindow = display->getImplementation()->isX11()
+                                         ? *reinterpret_cast<const void *const *>(nativeWindow)
+                                         : nativeWindow;
+
+    return ValidateCreatePlatformWindowSurface(val, display, configuration, actualNativeWindow,
+                                               attributes);
+}
+
+bool ValidateCreatePlatformPixmapSurfaceEXT(const ValidationContext *val,
+                                            const Display *display,
+                                            const Config *configuration,
+                                            const void *nativePixmap,
+                                            const AttributeMap &attributes)
+{
+    if (!Display::GetClientExtensions().platformBase)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_EXT_platform_base not supported");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateConfig(val, display, configuration));
+
+    val->setError(EGL_BAD_DISPLAY, "ValidateCreatePlatformPixmapSurfaceEXT unimplemented.");
+    return false;
+}
+
+bool ValidateProgramCacheGetAttribANGLE(const ValidationContext *val,
+                                        const Display *display,
+                                        EGLenum attrib)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().programCacheControlANGLE)
+    {
+        val->setError(EGL_BAD_ACCESS, "Extension not supported");
+        return false;
+    }
+
+    switch (attrib)
+    {
+        case EGL_PROGRAM_CACHE_KEY_LENGTH_ANGLE:
+        case EGL_PROGRAM_CACHE_SIZE_ANGLE:
+            break;
+
+        default:
+            val->setError(EGL_BAD_PARAMETER, "Invalid program cache attribute.");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramCacheQueryANGLE(const ValidationContext *val,
+                                    const Display *display,
+                                    EGLint index,
+                                    const void *key,
+                                    const EGLint *keysize,
+                                    const void *binary,
+                                    const EGLint *binarysize)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().programCacheControlANGLE)
+    {
+        val->setError(EGL_BAD_ACCESS, "Extension not supported");
+        return false;
+    }
+
+    if (index < 0 || index >= display->programCacheGetAttrib(EGL_PROGRAM_CACHE_SIZE_ANGLE))
+    {
+        val->setError(EGL_BAD_PARAMETER, "Program index out of range.");
+        return false;
+    }
+
+    if (keysize == nullptr || binarysize == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "keysize and binarysize must always be valid pointers.");
+        return false;
+    }
+
+    if (binary && *keysize != static_cast<EGLint>(egl::BlobCache::kKeyLength))
+    {
+        val->setError(EGL_BAD_PARAMETER, "Invalid program key size.");
+        return false;
+    }
+
+    if ((key == nullptr) != (binary == nullptr))
+    {
+        val->setError(EGL_BAD_PARAMETER, "key and binary must both be null or both non-null.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramCachePopulateANGLE(const ValidationContext *val,
+                                       const Display *display,
+                                       const void *key,
+                                       EGLint keysize,
+                                       const void *binary,
+                                       EGLint binarysize)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().programCacheControlANGLE)
+    {
+        val->setError(EGL_BAD_ACCESS, "Extension not supported");
+        return false;
+    }
+
+    if (keysize != static_cast<EGLint>(egl::BlobCache::kKeyLength))
+    {
+        val->setError(EGL_BAD_PARAMETER, "Invalid program key size.");
+        return false;
+    }
+
+    if (key == nullptr || binary == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "null pointer in arguments.");
+        return false;
+    }
+
+    // Upper bound for binarysize is arbitrary.
+    if (binarysize <= 0 || binarysize > egl::kProgramCacheSizeAbsoluteMax)
+    {
+        val->setError(EGL_BAD_PARAMETER, "binarysize out of valid range.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramCacheResizeANGLE(const ValidationContext *val,
+                                     const Display *display,
+                                     EGLint limit,
+                                     EGLint mode)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().programCacheControlANGLE)
+    {
+        val->setError(EGL_BAD_ACCESS, "Extension not supported");
+        return false;
+    }
+
+    if (limit < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "limit must be non-negative.");
+        return false;
+    }
+
+    switch (mode)
+    {
+        case EGL_PROGRAM_CACHE_RESIZE_ANGLE:
+        case EGL_PROGRAM_CACHE_TRIM_ANGLE:
+            break;
+
+        default:
+            val->setError(EGL_BAD_PARAMETER, "Invalid cache resize mode.");
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateSurfaceAttrib(const ValidationContext *val,
+                           const Display *display,
+                           const Surface *surface,
+                           EGLint attribute,
+                           EGLint value)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (surface == EGL_NO_SURFACE)
+    {
+        val->setError(EGL_BAD_SURFACE, "Surface cannot be EGL_NO_SURFACE.");
+        return false;
+    }
+
+    switch (attribute)
+    {
+        case EGL_MIPMAP_LEVEL:
+            break;
+
+        case EGL_MULTISAMPLE_RESOLVE:
+            switch (value)
+            {
+                case EGL_MULTISAMPLE_RESOLVE_DEFAULT:
+                    break;
+
+                case EGL_MULTISAMPLE_RESOLVE_BOX:
+                    if ((surface->getConfig()->surfaceType & EGL_MULTISAMPLE_RESOLVE_BOX_BIT) == 0)
+                    {
+                        val->setError(EGL_BAD_MATCH,
+                                      "Surface does not support EGL_MULTISAMPLE_RESOLVE_BOX.");
+                        return false;
+                    }
+                    break;
+
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE, "Invalid multisample resolve type.");
+                    return false;
+            }
+            break;
+
+        case EGL_SWAP_BEHAVIOR:
+            switch (value)
+            {
+                case EGL_BUFFER_PRESERVED:
+                    if ((surface->getConfig()->surfaceType & EGL_SWAP_BEHAVIOR_PRESERVED_BIT) == 0)
+                    {
+                        val->setError(EGL_BAD_MATCH,
+                                      "Surface does not support EGL_SWAP_BEHAVIOR_PRESERVED.");
+                        return false;
+                    }
+                    break;
+
+                case EGL_BUFFER_DESTROYED:
+                    break;
+
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE, "Invalid swap behaviour.");
+                    return false;
+            }
+            break;
+
+        case EGL_WIDTH:
+        case EGL_HEIGHT:
+            if (!display->getExtensions().windowFixedSize)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_WIDTH or EGL_HEIGHT cannot be set without "
+                              "EGL_ANGLE_window_fixed_size support.");
+                return false;
+            }
+            if (!surface->isFixedSize())
+            {
+                val->setError(EGL_BAD_MATCH,
+                              "EGL_WIDTH or EGL_HEIGHT cannot be set without "
+                              "EGL_FIXED_SIZE_ANGLE being enabled on the surface.");
+                return false;
+            }
+            break;
+
+        case EGL_TIMESTAMPS_ANDROID:
+            if (!display->getExtensions().getFrameTimestamps &&
+                !display->getExtensions().timestampSurfaceAttributeANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_TIMESTAMPS_ANDROID cannot be used without "
+                              "EGL_ANDROID_get_frame_timestamps support.");
+                return false;
+            }
+            switch (value)
+            {
+                case EGL_TRUE:
+                case EGL_FALSE:
+                    break;
+
+                default:
+                    val->setError(EGL_BAD_ATTRIBUTE, "Invalid value.");
+                    return false;
+            }
+            break;
+
+        case EGL_FRONT_BUFFER_AUTO_REFRESH_ANDROID:
+            ASSERT(value == EGL_TRUE || value == EGL_FALSE);
+            break;
+
+        case EGL_RENDER_BUFFER:
+            if (value != EGL_BACK_BUFFER && value != EGL_SINGLE_BUFFER)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_RENDER_BUFFER must be EGL_BACK_BUFFER or EGL_SINGLE_BUFFER.");
+                return false;
+            }
+
+            if (value == EGL_SINGLE_BUFFER)
+            {
+                if (!display->getExtensions().mutableRenderBufferKHR)
+                {
+                    val->setError(
+                        EGL_BAD_ATTRIBUTE,
+                        "Attribute EGL_RENDER_BUFFER requires EGL_KHR_mutable_render_buffer.");
+                    return false;
+                }
+
+                if ((surface->getConfig()->surfaceType & EGL_MUTABLE_RENDER_BUFFER_BIT_KHR) == 0)
+                {
+                    val->setError(EGL_BAD_MATCH,
+                                  "EGL_RENDER_BUFFER requires the surface type bit "
+                                  "EGL_MUTABLE_RENDER_BUFFER_BIT_KHR.");
+                    return false;
+                }
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid surface attribute: 0x%04X", attribute);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateQuerySurface(const ValidationContext *val,
+                          const Display *display,
+                          const Surface *surface,
+                          EGLint attribute,
+                          const EGLint *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (surface == EGL_NO_SURFACE)
+    {
+        val->setError(EGL_BAD_SURFACE, "Surface cannot be EGL_NO_SURFACE.");
+        return false;
+    }
+
+    switch (attribute)
+    {
+        case EGL_GL_COLORSPACE:
+        case EGL_VG_ALPHA_FORMAT:
+        case EGL_VG_COLORSPACE:
+        case EGL_CONFIG_ID:
+        case EGL_HEIGHT:
+        case EGL_HORIZONTAL_RESOLUTION:
+        case EGL_LARGEST_PBUFFER:
+        case EGL_MIPMAP_TEXTURE:
+        case EGL_MIPMAP_LEVEL:
+        case EGL_MULTISAMPLE_RESOLVE:
+        case EGL_PIXEL_ASPECT_RATIO:
+        case EGL_RENDER_BUFFER:
+        case EGL_SWAP_BEHAVIOR:
+        case EGL_TEXTURE_FORMAT:
+        case EGL_TEXTURE_TARGET:
+        case EGL_VERTICAL_RESOLUTION:
+        case EGL_WIDTH:
+            break;
+
+        case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
+            if (!display->getExtensions().postSubBuffer)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_POST_SUB_BUFFER_SUPPORTED_NV cannot be used "
+                              "without EGL_ANGLE_surface_orientation support.");
+                return false;
+            }
+            break;
+
+        case EGL_FIXED_SIZE_ANGLE:
+            if (!display->getExtensions().windowFixedSize)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_FIXED_SIZE_ANGLE cannot be used without "
+                              "EGL_ANGLE_window_fixed_size support.");
+                return false;
+            }
+            break;
+
+        case EGL_SURFACE_ORIENTATION_ANGLE:
+            if (!display->getExtensions().surfaceOrientation)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_SURFACE_ORIENTATION_ANGLE cannot be "
+                              "queried without "
+                              "EGL_ANGLE_surface_orientation support.");
+                return false;
+            }
+            break;
+
+        case EGL_DIRECT_COMPOSITION_ANGLE:
+            if (!display->getExtensions().directComposition)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_DIRECT_COMPOSITION_ANGLE cannot be "
+                              "used without "
+                              "EGL_ANGLE_direct_composition support.");
+                return false;
+            }
+            break;
+
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            if (!display->getExtensions().robustResourceInitializationANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE cannot be "
+                              "used without EGL_ANGLE_robust_resource_initialization "
+                              "support.");
+                return false;
+            }
+            break;
+
+        case EGL_TIMESTAMPS_ANDROID:
+            if (!display->getExtensions().getFrameTimestamps &&
+                !display->getExtensions().timestampSurfaceAttributeANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_TIMESTAMPS_ANDROID cannot be used without "
+                              "EGL_ANDROID_get_frame_timestamps support.");
+                return false;
+            }
+            break;
+
+        case EGL_BUFFER_AGE_EXT:
+        {
+            if (!display->getExtensions().bufferAgeEXT)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_BUFFER_AGE_EXT cannot be used without "
+                              "EGL_EXT_buffer_age support.");
+                return false;
+            }
+            gl::Context *context = val->eglThread->getContext();
+            if ((context == nullptr) || (context->getCurrentDrawSurface() != surface))
+            {
+                val->setError(EGL_BAD_SURFACE,
+                              "The surface must be current to the current context "
+                              "in order to query buffer age per extension "
+                              "EGL_EXT_buffer_age.");
+                return false;
+            }
+        }
+        break;
+
+        case EGL_BITMAP_PITCH_KHR:
+        case EGL_BITMAP_ORIGIN_KHR:
+        case EGL_BITMAP_PIXEL_RED_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_SIZE_KHR:
+            if (!display->getExtensions().lockSurface3KHR)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_KHR_lock_surface3 is not supported.");
+                return false;
+            }
+            break;
+
+        case EGL_PROTECTED_CONTENT_EXT:
+            if (!display->getExtensions().protectedContentEXT)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_EXT_protected_content not supported");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid surface attribute: 0x%04X", attribute);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateQueryContext(const ValidationContext *val,
+                          const Display *display,
+                          const gl::Context *context,
+                          EGLint attribute,
+                          const EGLint *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+
+    switch (attribute)
+    {
+        case EGL_CONFIG_ID:
+        case EGL_CONTEXT_CLIENT_TYPE:
+        case EGL_CONTEXT_CLIENT_VERSION:
+        case EGL_RENDER_BUFFER:
+            break;
+
+        case EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            if (!display->getExtensions().robustResourceInitializationANGLE)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "EGL_ROBUST_RESOURCE_INITIALIZATION_ANGLE cannot be "
+                              "used without EGL_ANGLE_robust_resource_initialization "
+                              "support.");
+                return false;
+            }
+            break;
+
+        case EGL_CONTEXT_PRIORITY_LEVEL_IMG:
+            if (!display->getExtensions().contextPriority)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE,
+                              "Attribute EGL_CONTEXT_PRIORITY_LEVEL_IMG requires "
+                              "extension EGL_IMG_context_priority.");
+                return false;
+            }
+            break;
+
+        case EGL_PROTECTED_CONTENT_EXT:
+            if (!display->getExtensions().protectedContentEXT)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE, "EGL_EXT_protected_content not supported");
+                return false;
+            }
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid context attribute: 0x%04X", attribute);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateDebugMessageControlKHR(const ValidationContext *val,
+                                    EGLDEBUGPROCKHR callback,
+                                    const AttributeMap &attribs)
+{
+    const ClientExtensions &clientExtensions = Display::GetClientExtensions();
+    if (!clientExtensions.debug)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_KHR_debug extension is not available.");
+        return false;
+    }
+
+    attribs.initializeWithoutValidation();
+
+    for (const auto &attrib : attribs)
+    {
+        switch (attrib.first)
+        {
+            case EGL_DEBUG_MSG_CRITICAL_KHR:
+            case EGL_DEBUG_MSG_ERROR_KHR:
+            case EGL_DEBUG_MSG_WARN_KHR:
+            case EGL_DEBUG_MSG_INFO_KHR:
+                if (attrib.second != EGL_TRUE && attrib.second != EGL_FALSE)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE,
+                                  "message controls must be EGL_TRUE or EGL_FALSE.");
+                    return false;
+                }
+                break;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateQueryDebugKHR(const ValidationContext *val, EGLint attribute, const EGLAttrib *value)
+{
+    const ClientExtensions &clientExtensions = Display::GetClientExtensions();
+    if (!clientExtensions.debug)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_KHR_debug extension is not available.");
+        return false;
+    }
+
+    switch (attribute)
+    {
+        case EGL_DEBUG_MSG_CRITICAL_KHR:
+        case EGL_DEBUG_MSG_ERROR_KHR:
+        case EGL_DEBUG_MSG_WARN_KHR:
+        case EGL_DEBUG_MSG_INFO_KHR:
+        case EGL_DEBUG_CALLBACK_KHR:
+            break;
+
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Unknown attribute: 0x%04X", attribute);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateLabelObjectKHR(const ValidationContext *val,
+                            const Display *display,
+                            ObjectType objectType,
+                            EGLObjectKHR object,
+                            EGLLabelKHR label)
+{
+    const ClientExtensions &clientExtensions = Display::GetClientExtensions();
+    if (!clientExtensions.debug)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_KHR_debug extension is not available.");
+        return false;
+    }
+
+    LabeledObject *labeledObject = nullptr;
+    ANGLE_VALIDATION_TRY(ValidateLabeledObject(val, display, objectType, object, &labeledObject));
+
+    return true;
+}
+
+bool ValidateGetCompositorTimingSupportedANDROID(const ValidationContext *val,
+                                                 const Display *display,
+                                                 const Surface *surface,
+                                                 CompositorTiming name)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().getFrameTimestamps)
+    {
+        val->setError(EGL_BAD_DISPLAY,
+                      "EGL_ANDROID_get_frame_timestamps extension is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (!ValidCompositorTimingName(name))
+    {
+        val->setError(EGL_BAD_PARAMETER, "invalid timing name.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetCompositorTimingANDROID(const ValidationContext *val,
+                                        const Display *display,
+                                        const Surface *surface,
+                                        EGLint numTimestamps,
+                                        const EGLint *names,
+                                        const EGLnsecsANDROID *values)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().getFrameTimestamps)
+    {
+        val->setError(EGL_BAD_DISPLAY,
+                      "EGL_ANDROID_get_frame_timestamps extension is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (names == nullptr && numTimestamps > 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "names is NULL.");
+        return false;
+    }
+
+    if (values == nullptr && numTimestamps > 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "values is NULL.");
+        return false;
+    }
+
+    if (numTimestamps < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "numTimestamps must be at least 0.");
+        return false;
+    }
+
+    for (EGLint i = 0; i < numTimestamps; i++)
+    {
+        CompositorTiming name = FromEGLenum<CompositorTiming>(names[i]);
+
+        if (!ValidCompositorTimingName(name))
+        {
+            val->setError(EGL_BAD_PARAMETER, "invalid compositor timing.");
+            return false;
+        }
+
+        if (!surface->getSupportedCompositorTimings().test(name))
+        {
+            val->setError(EGL_BAD_PARAMETER, "compositor timing not supported by surface.");
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetNextFrameIdANDROID(const ValidationContext *val,
+                                   const Display *display,
+                                   const Surface *surface,
+                                   const EGLuint64KHR *frameId)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().getFrameTimestamps)
+    {
+        val->setError(EGL_BAD_DISPLAY,
+                      "EGL_ANDROID_get_frame_timestamps extension is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (frameId == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "frameId is NULL.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetFrameTimestampSupportedANDROID(const ValidationContext *val,
+                                               const Display *display,
+                                               const Surface *surface,
+                                               Timestamp timestamp)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().getFrameTimestamps)
+    {
+        val->setError(EGL_BAD_DISPLAY,
+                      "EGL_ANDROID_get_frame_timestamps extension is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (!ValidTimestampType(timestamp))
+    {
+        val->setError(EGL_BAD_PARAMETER, "invalid timestamp type.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetFrameTimestampsANDROID(const ValidationContext *val,
+                                       const Display *display,
+                                       const Surface *surface,
+                                       EGLuint64KHR frameId,
+                                       EGLint numTimestamps,
+                                       const EGLint *timestamps,
+                                       const EGLnsecsANDROID *values)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().getFrameTimestamps)
+    {
+        val->setError(EGL_BAD_DISPLAY,
+                      "EGL_ANDROID_get_frame_timestamps extension is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (!surface->isTimestampsEnabled())
+    {
+        val->setError(EGL_BAD_SURFACE, "timestamp collection is not enabled for this surface.");
+        return false;
+    }
+
+    if (timestamps == nullptr && numTimestamps > 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "timestamps is NULL.");
+        return false;
+    }
+
+    if (values == nullptr && numTimestamps > 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "values is NULL.");
+        return false;
+    }
+
+    if (numTimestamps < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "numTimestamps must be at least 0.");
+        return false;
+    }
+
+    for (EGLint i = 0; i < numTimestamps; i++)
+    {
+        Timestamp timestamp = FromEGLenum<Timestamp>(timestamps[i]);
+
+        if (!ValidTimestampType(timestamp))
+        {
+            val->setError(EGL_BAD_PARAMETER, "invalid timestamp type.");
+            return false;
+        }
+
+        if (!surface->getSupportedTimestamps().test(timestamp))
+        {
+            val->setError(EGL_BAD_PARAMETER, "timestamp not supported by surface.");
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateQueryStringiANGLE(const ValidationContext *val,
+                               const Display *display,
+                               EGLint name,
+                               EGLint index)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!Display::GetClientExtensions().featureControlANGLE)
+    {
+        val->setError(EGL_BAD_DISPLAY, "EGL_ANGLE_feature_control extension is not available.");
+        return false;
+    }
+
+    if (index < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "index is negative.");
+        return false;
+    }
+
+    switch (name)
+    {
+        case EGL_FEATURE_NAME_ANGLE:
+        case EGL_FEATURE_CATEGORY_ANGLE:
+        case EGL_FEATURE_DESCRIPTION_ANGLE:
+        case EGL_FEATURE_BUG_ANGLE:
+        case EGL_FEATURE_STATUS_ANGLE:
+        case EGL_FEATURE_CONDITION_ANGLE:
+            break;
+        default:
+            val->setError(EGL_BAD_PARAMETER, "name is not valid.");
+            return false;
+    }
+
+    if (static_cast<size_t>(index) >= display->getFeatures().size())
+    {
+        val->setError(EGL_BAD_PARAMETER, "index is too big.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateQueryDisplayAttribEXT(const ValidationContext *val,
+                                   const Display *display,
+                                   const EGLint attribute,
+                                   const EGLAttrib *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateQueryDisplayAttribBase(val, display, attribute));
+    return true;
+}
+
+bool ValidateQueryDisplayAttribANGLE(const ValidationContext *val,
+                                     const Display *display,
+                                     const EGLint attribute,
+                                     const EGLAttrib *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateQueryDisplayAttribBase(val, display, attribute));
+    return true;
+}
+
+bool ValidateGetNativeClientBufferANDROID(const ValidationContext *val,
+                                          const AHardwareBuffer *buffer)
+{
+    // No extension check is done because no display is passed to eglGetNativeClientBufferANDROID
+    // despite it being a display extension.  No display is needed for the implementation though.
+    if (buffer == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "NULL buffer.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateNativeClientBufferANDROID(const ValidationContext *val,
+                                             const egl::AttributeMap &attribMap)
+{
+    attribMap.initializeWithoutValidation();
+
+    if (attribMap.isEmpty() || attribMap.begin()->second == EGL_NONE)
+    {
+        val->setError(EGL_BAD_PARAMETER, "invalid attribute list.");
+        return false;
+    }
+
+    int width     = attribMap.getAsInt(EGL_WIDTH, 0);
+    int height    = attribMap.getAsInt(EGL_HEIGHT, 0);
+    int redSize   = attribMap.getAsInt(EGL_RED_SIZE, 0);
+    int greenSize = attribMap.getAsInt(EGL_GREEN_SIZE, 0);
+    int blueSize  = attribMap.getAsInt(EGL_BLUE_SIZE, 0);
+    int alphaSize = attribMap.getAsInt(EGL_ALPHA_SIZE, 0);
+    int usage     = attribMap.getAsInt(EGL_NATIVE_BUFFER_USAGE_ANDROID, 0);
+
+    for (AttributeMap::const_iterator attributeIter = attribMap.begin();
+         attributeIter != attribMap.end(); attributeIter++)
+    {
+        EGLAttrib attribute = attributeIter->first;
+        switch (attribute)
+        {
+            case EGL_WIDTH:
+            case EGL_HEIGHT:
+                // Validation done after the switch statement
+                break;
+            case EGL_RED_SIZE:
+            case EGL_GREEN_SIZE:
+            case EGL_BLUE_SIZE:
+            case EGL_ALPHA_SIZE:
+                if (redSize < 0 || greenSize < 0 || blueSize < 0 || alphaSize < 0)
+                {
+                    val->setError(EGL_BAD_PARAMETER, "incorrect channel size requested");
+                    return false;
+                }
+                break;
+            case EGL_NATIVE_BUFFER_USAGE_ANDROID:
+                // The buffer must be used for either a texture or a renderbuffer.
+                if ((usage & ~(EGL_NATIVE_BUFFER_USAGE_PROTECTED_BIT_ANDROID |
+                               EGL_NATIVE_BUFFER_USAGE_RENDERBUFFER_BIT_ANDROID |
+                               EGL_NATIVE_BUFFER_USAGE_TEXTURE_BIT_ANDROID)) != 0)
+                {
+                    val->setError(EGL_BAD_PARAMETER, "invalid usage flag");
+                    return false;
+                }
+                break;
+            case EGL_NONE:
+                break;
+            default:
+                val->setError(EGL_BAD_ATTRIBUTE, "invalid attribute");
+                return false;
+        }
+    }
+
+    // Validate EGL_WIDTH and EGL_HEIGHT values passed in. Done here to account
+    // for the case where EGL_WIDTH and EGL_HEIGHT were not part of the attribute list.
+    if (width <= 0 || height <= 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "incorrect buffer dimensions requested");
+        return false;
+    }
+
+    if (gl::GetAndroidHardwareBufferFormatFromChannelSizes(attribMap) == 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "unsupported format");
+        return false;
+    }
+    return true;
+}
+
+bool ValidateCopyMetalSharedEventANGLE(const ValidationContext *val,
+                                       const Display *display,
+                                       const Sync *sync)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().mtlSyncSharedEventANGLE)
+    {
+        val->setError(EGL_BAD_DISPLAY, "EGL_ANGLE_metal_shared_event_sync is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+
+    return true;
+}
+
+bool ValidateDupNativeFenceFDANDROID(const ValidationContext *val,
+                                     const Display *display,
+                                     const Sync *sync)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().nativeFenceSyncANDROID)
+    {
+        val->setError(EGL_BAD_DISPLAY, "EGL_ANDROID_native_fence_sync extension is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+
+    return true;
+}
+
+bool ValidateSwapBuffersWithFrameTokenANGLE(const ValidationContext *val,
+                                            const Display *display,
+                                            const Surface *surface,
+                                            EGLFrameTokenANGLE frametoken)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().swapWithFrameToken)
+    {
+        val->setError(EGL_BAD_DISPLAY, "EGL_ANGLE_swap_buffers_with_frame_token is not available.");
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    return true;
+}
+
+bool ValidatePrepareSwapBuffersANGLE(const ValidationContext *val,
+                                     const Display *display,
+                                     const Surface *surface)
+{
+    return ValidateSwapBuffers(val, display, surface);
+}
+
+bool ValidateSignalSyncKHR(const ValidationContext *val,
+                           const Display *display,
+                           const Sync *sync,
+                           EGLenum mode)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    ANGLE_VALIDATION_TRY(ValidateSync(val, display, sync));
+
+    if (sync->getType() == EGL_SYNC_REUSABLE_KHR)
+    {
+        if (!display->getExtensions().reusableSyncKHR)
+        {
+            val->setError(EGL_BAD_MATCH, "EGL_KHR_reusable_sync extension is not available.");
+            return false;
+        }
+
+        if ((mode != EGL_SIGNALED_KHR) && (mode != EGL_UNSIGNALED_KHR))
+        {
+            val->setError(EGL_BAD_PARAMETER, "eglSignalSyncKHR invalid mode.");
+            return false;
+        }
+
+        return true;
+    }
+
+    val->setError(EGL_BAD_MATCH);
+    return false;
+}
+
+bool ValidateQuerySurfacePointerANGLE(const ValidationContext *val,
+                                      const Display *display,
+                                      const Surface *eglSurface,
+                                      EGLint attribute,
+                                      void *const *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().querySurfacePointer)
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, eglSurface));
+
+    // validate the attribute parameter
+    switch (attribute)
+    {
+        case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE:
+            if (!display->getExtensions().surfaceD3DTexture2DShareHandle)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        case EGL_DXGI_KEYED_MUTEX_ANGLE:
+            if (!display->getExtensions().keyedMutex)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidatePostSubBufferNV(const ValidationContext *val,
+                             const Display *display,
+                             const Surface *eglSurface,
+                             EGLint x,
+                             EGLint y,
+                             EGLint width,
+                             EGLint height)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+
+    if (!display->getExtensions().postSubBuffer)
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    if (x < 0 || y < 0 || width < 0 || height < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER);
+        return false;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, eglSurface));
+
+    if (display->isDeviceLost())
+    {
+        val->setError(EGL_CONTEXT_LOST);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateQueryDeviceAttribEXT(const ValidationContext *val,
+                                  const Device *device,
+                                  EGLint attribute,
+                                  const EGLAttrib *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateDevice(val, device));
+
+    if (!Display::GetClientExtensions().deviceQueryEXT)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_EXT_device_query not supported.");
+        return false;
+    }
+
+    // validate the attribute parameter
+    switch (attribute)
+    {
+        case EGL_D3D11_DEVICE_ANGLE:
+        case EGL_D3D9_DEVICE_ANGLE:
+            if (!device->getExtensions().deviceD3D || device->getType() != attribute)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        case EGL_EAGL_CONTEXT_ANGLE:
+            if (!device->getExtensions().deviceEAGL)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        case EGL_METAL_DEVICE_ANGLE:
+            if (!device->getExtensions().deviceMetal)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        case EGL_VULKAN_VERSION_ANGLE:
+        case EGL_VULKAN_INSTANCE_ANGLE:
+        case EGL_VULKAN_INSTANCE_EXTENSIONS_ANGLE:
+        case EGL_VULKAN_PHYSICAL_DEVICE_ANGLE:
+        case EGL_VULKAN_DEVICE_ANGLE:
+        case EGL_VULKAN_DEVICE_EXTENSIONS_ANGLE:
+        case EGL_VULKAN_FEATURES_ANGLE:
+        case EGL_VULKAN_QUEUE_ANGLE:
+        case EGL_VULKAN_QUEUE_FAMILIY_INDEX_ANGLE:
+        case EGL_VULKAN_GET_INSTANCE_PROC_ADDR:
+            if (!device->getExtensions().deviceVulkan)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        case EGL_CGL_CONTEXT_ANGLE:
+        case EGL_CGL_PIXEL_FORMAT_ANGLE:
+            if (!device->getExtensions().deviceCGL)
+            {
+                val->setError(EGL_BAD_ATTRIBUTE);
+                return false;
+            }
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE);
+            return false;
+    }
+    return true;
+}
+
+bool ValidateQueryDeviceStringEXT(const ValidationContext *val, const Device *device, EGLint name)
+{
+    ANGLE_VALIDATION_TRY(ValidateDevice(val, device));
+    return true;
+}
+
+bool ValidateReleaseHighPowerGPUANGLE(const ValidationContext *val,
+                                      const Display *display,
+                                      const gl::Context *context)
+{
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+    return true;
+}
+
+bool ValidateReacquireHighPowerGPUANGLE(const ValidationContext *val,
+                                        const Display *display,
+                                        const gl::Context *context)
+{
+    ANGLE_VALIDATION_TRY(ValidateContext(val, display, context));
+    return true;
+}
+
+bool ValidateHandleGPUSwitchANGLE(const ValidationContext *val, const Display *display)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    return true;
+}
+
+bool ValidateForceGPUSwitchANGLE(const ValidationContext *val,
+                                 const Display *display,
+                                 EGLint gpuIDHigh,
+                                 EGLint gpuIDLow)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    return true;
+}
+
+bool ValidateGetCurrentDisplay(const ValidationContext *val)
+{
+    return true;
+}
+
+bool ValidateGetCurrentSurface(const ValidationContext *val, EGLint readdraw)
+{
+    return true;
+}
+
+bool ValidateGetDisplay(const ValidationContext *val, EGLNativeDisplayType display_id)
+{
+    return true;
+}
+
+bool ValidateGetError(const ValidationContext *val)
+{
+    return true;
+}
+
+bool ValidateGetProcAddress(const ValidationContext *val, const char *procname)
+{
+    return true;
+}
+
+bool ValidateQueryString(const ValidationContext *val, const Display *dpyPacked, EGLint name)
+{
+    // The only situation where EGL_NO_DISPLAY is allowed is when querying
+    // EGL_EXTENSIONS or EGL_VERSION.
+    const bool canQueryWithoutDisplay = (name == EGL_VERSION || name == EGL_EXTENSIONS);
+
+    if (dpyPacked != nullptr || !canQueryWithoutDisplay)
+    {
+        ANGLE_VALIDATION_TRY(ValidateDisplay(val, dpyPacked));
+    }
+
+    switch (name)
+    {
+        case EGL_CLIENT_APIS:
+        case EGL_EXTENSIONS:
+        case EGL_VENDOR:
+        case EGL_VERSION:
+            break;
+        default:
+            val->setError(EGL_BAD_PARAMETER);
+            return false;
+    }
+    return true;
+}
+
+bool ValidateWaitGL(const ValidationContext *val)
+{
+    if (val->eglThread->getDisplay() == nullptr)
+    {
+        // EGL spec says this about eglWaitGL -
+        //    eglWaitGL is ignored if there is no current EGL rendering context for OpenGL ES.
+        return true;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, val->eglThread->getDisplay()));
+    return true;
+}
+
+bool ValidateQueryAPI(const ValidationContext *val)
+{
+    return true;
+}
+
+bool ValidateReleaseThread(const ValidationContext *val)
+{
+    return true;
+}
+
+bool ValidateWaitClient(const ValidationContext *val)
+{
+    if (val->eglThread->getDisplay() == nullptr)
+    {
+        // EGL spec says this about eglWaitClient -
+        //    If there is no current context for the current rendering API,
+        //    the function has no effect but still returns EGL_TRUE.
+        return true;
+    }
+
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, val->eglThread->getDisplay()));
+    return true;
+}
+
+bool ValidateGetCurrentContext(const ValidationContext *val)
+{
+    return true;
+}
+
+bool ValidateCreatePlatformPixmapSurface(const ValidationContext *val,
+                                         const Display *dpyPacked,
+                                         const Config *configPacked,
+                                         const void *native_pixmap,
+                                         const AttributeMap &attrib_listPacked)
+{
+    EGLNativePixmapType nativePixmap =
+        reinterpret_cast<EGLNativePixmapType>(const_cast<void *>(native_pixmap));
+    return ValidateCreatePixmapSurface(val, dpyPacked, configPacked, nativePixmap,
+                                       attrib_listPacked);
+}
+
+bool ValidateCreatePlatformWindowSurface(const ValidationContext *val,
+                                         const Display *dpyPacked,
+                                         const Config *configPacked,
+                                         const void *native_window,
+                                         const AttributeMap &attrib_listPacked)
+{
+    EGLNativeWindowType nativeWindow =
+        reinterpret_cast<EGLNativeWindowType>(const_cast<void *>(native_window));
+    return ValidateCreateWindowSurface(val, dpyPacked, configPacked, nativeWindow,
+                                       attrib_listPacked);
+}
+
+bool ValidateLockSurfaceKHR(const ValidationContext *val,
+                            const egl::Display *dpy,
+                            const Surface *surface,
+                            const AttributeMap &attributes)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, dpy));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, dpy, surface));
+
+    if (!dpy->getExtensions().lockSurface3KHR)
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    if (surface->isLocked())
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    if ((surface->getConfig()->surfaceType & EGL_LOCK_SURFACE_BIT_KHR) == false)
+    {
+        val->setError(EGL_BAD_ACCESS, "Config does not support EGL_LOCK_SURFACE_BIT");
+        return false;
+    }
+
+    if (surface->isCurrentOnAnyContext())
+    {
+        val->setError(EGL_BAD_ACCESS,
+                      "Surface cannot be current to a context for eglLockSurface()");
+        return false;
+    }
+
+    if (surface->hasProtectedContent())
+    {
+        val->setError(EGL_BAD_ACCESS, "Surface cannot be protected content for eglLockSurface()");
+        return false;
+    }
+
+    attributes.initializeWithoutValidation();
+
+    for (const auto &attributeIter : attributes)
+    {
+        EGLAttrib attribute = attributeIter.first;
+        EGLAttrib value     = attributeIter.second;
+
+        switch (attribute)
+        {
+            case EGL_MAP_PRESERVE_PIXELS_KHR:
+                if (!((value == EGL_FALSE) || (value == EGL_TRUE)))
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "Invalid EGL_MAP_PRESERVE_PIXELS_KHR value");
+                    return false;
+                }
+                break;
+            case EGL_LOCK_USAGE_HINT_KHR:
+                if ((value & (EGL_READ_SURFACE_BIT_KHR | EGL_WRITE_SURFACE_BIT_KHR)) != value)
+                {
+                    val->setError(EGL_BAD_ATTRIBUTE, "Invalid EGL_LOCK_USAGE_HINT_KHR value");
+                    return false;
+                }
+                break;
+            default:
+                val->setError(EGL_BAD_ATTRIBUTE, "Invalid query surface64 attribute");
+                return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateQuerySurface64KHR(const ValidationContext *val,
+                               const egl::Display *dpy,
+                               const Surface *surface,
+                               EGLint attribute,
+                               const EGLAttribKHR *value)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, dpy));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, dpy, surface));
+
+    if (!dpy->getExtensions().lockSurface3KHR)
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    switch (attribute)
+    {
+        case EGL_BITMAP_PITCH_KHR:
+        case EGL_BITMAP_ORIGIN_KHR:
+        case EGL_BITMAP_PIXEL_RED_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR:
+        case EGL_BITMAP_PIXEL_SIZE_KHR:
+        case EGL_BITMAP_POINTER_KHR:
+            break;
+        default:
+            val->setError(EGL_BAD_ATTRIBUTE, "Invalid eglQuerySurface64 attribute");
+            return false;
+    }
+
+    if (value == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "value is NULL.");
+        return false;
+    }
+
+    if (!surface->isLocked())
+    {
+        val->setError(EGL_BAD_ACCESS, "Surface is not locked");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateUnlockSurfaceKHR(const ValidationContext *val,
+                              const egl::Display *dpy,
+                              const Surface *surface)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, dpy));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, dpy, surface));
+
+    if (!dpy->getExtensions().lockSurface3KHR)
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    if (!surface->isLocked())
+    {
+        val->setError(EGL_BAD_PARAMETER, "Surface is not locked.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateExportVkImageANGLE(const ValidationContext *val,
+                                const Display *dpy,
+                                const Image *image,
+                                const void *vkImage,
+                                const void *vkImageCreateInfo)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, dpy));
+    ANGLE_VALIDATION_TRY(ValidateImage(val, dpy, image));
+
+    if (!dpy->getExtensions().vulkanImageANGLE)
+    {
+        val->setError(EGL_BAD_ACCESS);
+        return false;
+    }
+
+    if (!vkImage)
+    {
+        val->setError(EGL_BAD_PARAMETER, "Output VkImage pointer is null.");
+        return false;
+    }
+
+    if (!vkImageCreateInfo)
+    {
+        val->setError(EGL_BAD_PARAMETER, "Output VkImageCreateInfo pointer is null.");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSetDamageRegionKHR(const ValidationContext *val,
+                                const Display *display,
+                                const Surface *surface,
+                                const EGLint *rects,
+                                EGLint n_rects)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, display));
+    ANGLE_VALIDATION_TRY(ValidateSurface(val, display, surface));
+
+    if (!(surface->getType() & EGL_WINDOW_BIT))
+    {
+        val->setError(EGL_BAD_MATCH, "surface is not a postable surface");
+        return false;
+    }
+
+    if (surface != val->eglThread->getCurrentDrawSurface())
+    {
+        val->setError(EGL_BAD_MATCH,
+                      "surface is not the current draw surface for the calling thread");
+        return false;
+    }
+
+    if (surface->getSwapBehavior() != EGL_BUFFER_DESTROYED)
+    {
+        val->setError(EGL_BAD_MATCH, "surface's swap behavior is not EGL_BUFFER_DESTROYED");
+        return false;
+    }
+
+    if (surface->isDamageRegionSet())
+    {
+        val->setError(
+            EGL_BAD_ACCESS,
+            "damage region has already been set on surface since the most recent frame boundary");
+        return false;
+    }
+
+    if (!surface->bufferAgeQueriedSinceLastSwap())
+    {
+        val->setError(EGL_BAD_ACCESS,
+                      "EGL_BUFFER_AGE_KHR attribute of surface has not been queried since the most "
+                      "recent frame boundary");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateQueryDmaBufFormatsEXT(ValidationContext const *val,
+                                   Display const *dpy,
+                                   EGLint max_formats,
+                                   const EGLint *formats,
+                                   const EGLint *num_formats)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, dpy));
+
+    if (!dpy->getExtensions().imageDmaBufImportModifiersEXT)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_EXT_dma_buf_import_modfier not supported");
+        return false;
+    }
+
+    if (max_formats < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "max_formats should not be negative");
+        return false;
+    }
+
+    if (max_formats > 0 && formats == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER, "if max_formats is positive, formats should not be NULL");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateQueryDmaBufModifiersEXT(ValidationContext const *val,
+                                     Display const *dpy,
+                                     EGLint format,
+                                     EGLint max_modifiers,
+                                     const EGLuint64KHR *modifiers,
+                                     const EGLBoolean *external_only,
+                                     const EGLint *num_modifiers)
+{
+    ANGLE_VALIDATION_TRY(ValidateDisplay(val, dpy));
+
+    if (!dpy->getExtensions().imageDmaBufImportModifiersEXT)
+    {
+        val->setError(EGL_BAD_ACCESS, "EGL_EXT_dma_buf_import_modfier not supported");
+        return false;
+    }
+
+    if (max_modifiers < 0)
+    {
+        val->setError(EGL_BAD_PARAMETER, "max_modifiers should not be negative");
+        return false;
+    }
+
+    if (max_modifiers > 0 && modifiers == nullptr)
+    {
+        val->setError(EGL_BAD_PARAMETER,
+                      "if max_modifiers is positive, modifiers should not be NULL");
+        return false;
+    }
+
+    if (!dpy->supportsDmaBufFormat(format))
+    {
+        val->setError(EGL_BAD_PARAMETER,
+                      "format should be one of the formats advertised by QueryDmaBufFormatsEXT");
+        return false;
+    }
+    return true;
+}
+
+}  // namespace egl
diff --git a/gfx/angle/checkout/src/libANGLE/validationEGL.h b/gfx/angle/checkout/src/libANGLE/validationEGL.h
new file mode 100644
index 0000000000..8f04de288f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationEGL.h
@@ -0,0 +1,201 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationEGL.h: Validation functions for generic EGL entry point parameters
+
+#ifndef LIBANGLE_VALIDATIONEGL_H_
+#define LIBANGLE_VALIDATIONEGL_H_
+
+#include "common/PackedEnums.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Thread.h"
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+namespace gl
+{
+class Context;
+}
+
+namespace egl
+{
+constexpr EGLint kEglMajorVersion = 1;
+constexpr EGLint kEglMinorVersion = 5;
+
+class AttributeMap;
+struct ClientExtensions;
+struct Config;
+class Device;
+class Display;
+class Image;
+class Stream;
+class Surface;
+class Sync;
+class Thread;
+class LabeledObject;
+
+struct ValidationContext
+{
+    ValidationContext(Thread *threadIn, const char *entryPointIn, const LabeledObject *objectIn)
+        : eglThread(threadIn), entryPoint(entryPointIn), labeledObject(objectIn)
+    {}
+
+    // We should remove the message-less overload once we have messages for all EGL errors.
+    void setError(EGLint error) const;
+    ANGLE_FORMAT_PRINTF(3, 4)
+    void setError(EGLint error, const char *message...) const;
+
+    Thread *eglThread;
+    const char *entryPoint;
+    const LabeledObject *labeledObject;
+};
+
+// Object validation
+bool ValidateDisplay(const ValidationContext *val, const Display *display);
+bool ValidateSurface(const ValidationContext *val, const Display *display, const Surface *surface);
+bool ValidateConfig(const ValidationContext *val, const Display *display, const Config *config);
+bool ValidateContext(const ValidationContext *val,
+                     const Display *display,
+                     const gl::Context *context);
+bool ValidateImage(const ValidationContext *val, const Display *display, const Image *image);
+bool ValidateDevice(const ValidationContext *val, const Device *device);
+bool ValidateSync(const ValidationContext *val, const Display *display, const Sync *sync);
+
+// Return the requested object only if it is valid (otherwise nullptr)
+const Thread *GetThreadIfValid(const Thread *thread);
+const Display *GetDisplayIfValid(const Display *display);
+const Surface *GetSurfaceIfValid(const Display *display, const Surface *surface);
+const Image *GetImageIfValid(const Display *display, const Image *image);
+const Stream *GetStreamIfValid(const Display *display, const Stream *stream);
+const gl::Context *GetContextIfValid(const Display *display, const gl::Context *context);
+const Device *GetDeviceIfValid(const Device *device);
+const Sync *GetSyncIfValid(const Display *display, const Sync *sync);
+LabeledObject *GetLabeledObjectIfValid(Thread *thread,
+                                       const Display *display,
+                                       ObjectType objectType,
+                                       EGLObjectKHR object);
+
+// A template struct for determining the default value to return for each entry point.
+template <angle::EntryPoint EP, typename ReturnType>
+struct DefaultReturnValue
+{
+    static constexpr ReturnType kValue = static_cast<ReturnType>(0);
+};
+
+template <angle::EntryPoint EP, typename ReturnType>
+ReturnType GetDefaultReturnValue(Thread *thread);
+
+template <>
+ANGLE_INLINE EGLint
+GetDefaultReturnValue<angle::EntryPoint::EGLLabelObjectKHR, EGLint>(Thread *thread)
+{
+    return thread->getError();
+}
+
+template <angle::EntryPoint EP, typename ReturnType>
+ANGLE_INLINE ReturnType GetDefaultReturnValue(Thread *thread)
+{
+    return DefaultReturnValue<EP, ReturnType>::kValue;
+}
+
+// First case: handling packed enums.
+template <typename PackedT, typename FromT>
+typename std::enable_if<std::is_enum<PackedT>::value, PackedT>::type PackParam(FromT from)
+{
+    return FromEGLenum<PackedT>(from);
+}
+
+// This and the next 2 template specializations handle distinguishing between EGLint, EGLAttrib
+// and other. This is needed because on some architectures EGLint and EGLAttrib are not the same
+// base type. Previously the code conditionally compiled 2 specializations on 64 bit but it turns
+// out on WatchOS the assumption about 32/64 bit and if EGLint and ELGAttrib are the same or
+// different did not hold.
+template <typename PackedT,
+          typename FromT,
+          typename std::enable_if<!std::is_enum<PackedT>::value>::type *              = nullptr,
+          typename std::enable_if<std::is_same<FromT, const EGLint *>::value>::type * = nullptr>
+typename std::remove_reference<PackedT>::type PackParam(FromT attribs)
+{
+    return AttributeMap::CreateFromIntArray(attribs);
+}
+
+template <typename PackedT,
+          typename FromT,
+          typename std::enable_if<!std::is_enum<PackedT>::value>::type *                 = nullptr,
+          typename std::enable_if<!std::is_same<FromT, const EGLint *>::value>::type *   = nullptr,
+          typename std::enable_if<std::is_same<FromT, const EGLAttrib *>::value>::type * = nullptr>
+typename std::remove_reference<PackedT>::type PackParam(FromT attribs)
+{
+    return AttributeMap::CreateFromAttribArray(attribs);
+}
+
+template <typename PackedT,
+          typename FromT,
+          typename std::enable_if<!std::is_enum<PackedT>::value>::type *                  = nullptr,
+          typename std::enable_if<!std::is_same<FromT, const EGLint *>::value>::type *    = nullptr,
+          typename std::enable_if<!std::is_same<FromT, const EGLAttrib *>::value>::type * = nullptr>
+typename std::remove_reference<PackedT>::type PackParam(FromT attribs)
+{
+    return static_cast<PackedT>(attribs);
+}
+
+}  // namespace egl
+
+#define ANGLE_EGL_VALIDATE(THREAD, EP, OBJ, RETURN_TYPE, ...)                              \
+    do                                                                                     \
+    {                                                                                      \
+        const char *epname = "egl" #EP;                                                    \
+        ValidationContext vctx(THREAD, epname, OBJ);                                       \
+        auto ANGLE_LOCAL_VAR = (Validate##EP(&vctx, ##__VA_ARGS__));                       \
+        if (!ANGLE_LOCAL_VAR)                                                              \
+        {                                                                                  \
+            return GetDefaultReturnValue<angle::EntryPoint::EGL##EP, RETURN_TYPE>(THREAD); \
+        }                                                                                  \
+    } while (0)
+
+#define ANGLE_EGL_VALIDATE_VOID(THREAD, EP, OBJ, ...)                \
+    do                                                               \
+    {                                                                \
+        const char *epname = "egl" #EP;                              \
+        ValidationContext vctx(THREAD, epname, OBJ);                 \
+        auto ANGLE_LOCAL_VAR = (Validate##EP(&vctx, ##__VA_ARGS__)); \
+        if (!ANGLE_LOCAL_VAR)                                        \
+        {                                                            \
+            return;                                                  \
+        }                                                            \
+    } while (0)
+
+#define ANGLE_EGL_TRY(THREAD, EXPR, FUNCNAME, LABELOBJECT)                   \
+    do                                                                       \
+    {                                                                        \
+        auto ANGLE_LOCAL_VAR = (EXPR);                                       \
+        if (ANGLE_LOCAL_VAR.isError())                                       \
+            return THREAD->setError(ANGLE_LOCAL_VAR, FUNCNAME, LABELOBJECT); \
+    } while (0)
+
+#define ANGLE_EGL_TRY_RETURN(THREAD, EXPR, FUNCNAME, LABELOBJECT, RETVAL) \
+    do                                                                    \
+    {                                                                     \
+        auto ANGLE_LOCAL_VAR = (EXPR);                                    \
+        if (ANGLE_LOCAL_VAR.isError())                                    \
+        {                                                                 \
+            THREAD->setError(ANGLE_LOCAL_VAR, FUNCNAME, LABELOBJECT);     \
+            return RETVAL;                                                \
+        }                                                                 \
+    } while (0)
+
+#define ANGLE_EGLBOOLEAN_TRY(EXPR)           \
+    do                                       \
+    {                                        \
+        EGLBoolean ANGLE_LOCAL_VAR = (EXPR); \
+        if (ANGLE_LOCAL_VAR != EGL_TRUE)     \
+        {                                    \
+            return ANGLE_LOCAL_VAR;          \
+        }                                    \
+    } while (0)
+
+#endif  // LIBANGLE_VALIDATIONEGL_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationEGL_autogen.h b/gfx/angle/checkout/src/libANGLE/validationEGL_autogen.h
new file mode 100644
index 0000000000..57bd334227
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationEGL_autogen.h
@@ -0,0 +1,510 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from egl.xml and egl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationEGL_autogen.h:
+//   Validation functions for the EGL entry points.
+
+#ifndef LIBANGLE_VALIDATION_EGL_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_EGL_AUTOGEN_H_
+
+#include "libANGLE/validationEGL.h"
+
+namespace egl
+{
+
+// EGL 1.0
+bool ValidateChooseConfig(const ValidationContext *val,
+                          const egl::Display *dpyPacked,
+                          const AttributeMap &attrib_listPacked,
+                          const EGLConfig *configs,
+                          EGLint config_size,
+                          const EGLint *num_config);
+bool ValidateCopyBuffers(const ValidationContext *val,
+                         const egl::Display *dpyPacked,
+                         const Surface *surfacePacked,
+                         EGLNativePixmapType target);
+bool ValidateCreateContext(const ValidationContext *val,
+                           const egl::Display *dpyPacked,
+                           const Config *configPacked,
+                           const gl::Context *share_contextPacked,
+                           const AttributeMap &attrib_listPacked);
+bool ValidateCreatePbufferSurface(const ValidationContext *val,
+                                  const egl::Display *dpyPacked,
+                                  const Config *configPacked,
+                                  const AttributeMap &attrib_listPacked);
+bool ValidateCreatePixmapSurface(const ValidationContext *val,
+                                 const egl::Display *dpyPacked,
+                                 const Config *configPacked,
+                                 EGLNativePixmapType pixmap,
+                                 const AttributeMap &attrib_listPacked);
+bool ValidateCreateWindowSurface(const ValidationContext *val,
+                                 const egl::Display *dpyPacked,
+                                 const Config *configPacked,
+                                 EGLNativeWindowType win,
+                                 const AttributeMap &attrib_listPacked);
+bool ValidateDestroyContext(const ValidationContext *val,
+                            const egl::Display *dpyPacked,
+                            const gl::Context *ctxPacked);
+bool ValidateDestroySurface(const ValidationContext *val,
+                            const egl::Display *dpyPacked,
+                            const Surface *surfacePacked);
+bool ValidateGetConfigAttrib(const ValidationContext *val,
+                             const egl::Display *dpyPacked,
+                             const Config *configPacked,
+                             EGLint attribute,
+                             const EGLint *value);
+bool ValidateGetConfigs(const ValidationContext *val,
+                        const egl::Display *dpyPacked,
+                        const EGLConfig *configs,
+                        EGLint config_size,
+                        const EGLint *num_config);
+bool ValidateGetCurrentDisplay(const ValidationContext *val);
+bool ValidateGetCurrentSurface(const ValidationContext *val, EGLint readdraw);
+bool ValidateGetDisplay(const ValidationContext *val, EGLNativeDisplayType display_id);
+bool ValidateGetError(const ValidationContext *val);
+bool ValidateGetProcAddress(const ValidationContext *val, const char *procname);
+bool ValidateInitialize(const ValidationContext *val,
+                        const egl::Display *dpyPacked,
+                        const EGLint *major,
+                        const EGLint *minor);
+bool ValidateMakeCurrent(const ValidationContext *val,
+                         const egl::Display *dpyPacked,
+                         const Surface *drawPacked,
+                         const Surface *readPacked,
+                         const gl::Context *ctxPacked);
+bool ValidateQueryContext(const ValidationContext *val,
+                          const egl::Display *dpyPacked,
+                          const gl::Context *ctxPacked,
+                          EGLint attribute,
+                          const EGLint *value);
+bool ValidateQueryString(const ValidationContext *val, const egl::Display *dpyPacked, EGLint name);
+bool ValidateQuerySurface(const ValidationContext *val,
+                          const egl::Display *dpyPacked,
+                          const Surface *surfacePacked,
+                          EGLint attribute,
+                          const EGLint *value);
+bool ValidateSwapBuffers(const ValidationContext *val,
+                         const egl::Display *dpyPacked,
+                         const Surface *surfacePacked);
+bool ValidateTerminate(const ValidationContext *val, const egl::Display *dpyPacked);
+bool ValidateWaitGL(const ValidationContext *val);
+bool ValidateWaitNative(const ValidationContext *val, EGLint engine);
+
+// EGL 1.1
+bool ValidateBindTexImage(const ValidationContext *val,
+                          const egl::Display *dpyPacked,
+                          const Surface *surfacePacked,
+                          EGLint buffer);
+bool ValidateReleaseTexImage(const ValidationContext *val,
+                             const egl::Display *dpyPacked,
+                             const Surface *surfacePacked,
+                             EGLint buffer);
+bool ValidateSurfaceAttrib(const ValidationContext *val,
+                           const egl::Display *dpyPacked,
+                           const Surface *surfacePacked,
+                           EGLint attribute,
+                           EGLint value);
+bool ValidateSwapInterval(const ValidationContext *val,
+                          const egl::Display *dpyPacked,
+                          EGLint interval);
+
+// EGL 1.2
+bool ValidateBindAPI(const ValidationContext *val, EGLenum api);
+bool ValidateCreatePbufferFromClientBuffer(const ValidationContext *val,
+                                           const egl::Display *dpyPacked,
+                                           EGLenum buftype,
+                                           EGLClientBuffer buffer,
+                                           const Config *configPacked,
+                                           const AttributeMap &attrib_listPacked);
+bool ValidateQueryAPI(const ValidationContext *val);
+bool ValidateReleaseThread(const ValidationContext *val);
+bool ValidateWaitClient(const ValidationContext *val);
+
+// EGL 1.4
+bool ValidateGetCurrentContext(const ValidationContext *val);
+
+// EGL 1.5
+bool ValidateClientWaitSync(const ValidationContext *val,
+                            const egl::Display *dpyPacked,
+                            const Sync *syncPacked,
+                            EGLint flags,
+                            EGLTime timeout);
+bool ValidateCreateImage(const ValidationContext *val,
+                         const egl::Display *dpyPacked,
+                         const gl::Context *ctxPacked,
+                         EGLenum target,
+                         EGLClientBuffer buffer,
+                         const AttributeMap &attrib_listPacked);
+bool ValidateCreatePlatformPixmapSurface(const ValidationContext *val,
+                                         const egl::Display *dpyPacked,
+                                         const Config *configPacked,
+                                         const void *native_pixmap,
+                                         const AttributeMap &attrib_listPacked);
+bool ValidateCreatePlatformWindowSurface(const ValidationContext *val,
+                                         const egl::Display *dpyPacked,
+                                         const Config *configPacked,
+                                         const void *native_window,
+                                         const AttributeMap &attrib_listPacked);
+bool ValidateCreateSync(const ValidationContext *val,
+                        const egl::Display *dpyPacked,
+                        EGLenum type,
+                        const AttributeMap &attrib_listPacked);
+bool ValidateDestroyImage(const ValidationContext *val,
+                          const egl::Display *dpyPacked,
+                          const Image *imagePacked);
+bool ValidateDestroySync(const ValidationContext *val,
+                         const egl::Display *dpyPacked,
+                         const Sync *syncPacked);
+bool ValidateGetPlatformDisplay(const ValidationContext *val,
+                                EGLenum platform,
+                                const void *native_display,
+                                const AttributeMap &attrib_listPacked);
+bool ValidateGetSyncAttrib(const ValidationContext *val,
+                           const egl::Display *dpyPacked,
+                           const Sync *syncPacked,
+                           EGLint attribute,
+                           const EGLAttrib *value);
+bool ValidateWaitSync(const ValidationContext *val,
+                      const egl::Display *dpyPacked,
+                      const Sync *syncPacked,
+                      EGLint flags);
+
+// EGL_ANDROID_blob_cache
+bool ValidateSetBlobCacheFuncsANDROID(const ValidationContext *val,
+                                      const egl::Display *dpyPacked,
+                                      EGLSetBlobFuncANDROID set,
+                                      EGLGetBlobFuncANDROID get);
+
+// EGL_ANDROID_create_native_client_buffer
+bool ValidateCreateNativeClientBufferANDROID(const ValidationContext *val,
+                                             const AttributeMap &attrib_listPacked);
+
+// EGL_ANDROID_get_frame_timestamps
+bool ValidateGetCompositorTimingSupportedANDROID(const ValidationContext *val,
+                                                 const egl::Display *dpyPacked,
+                                                 const Surface *surfacePacked,
+                                                 CompositorTiming namePacked);
+bool ValidateGetCompositorTimingANDROID(const ValidationContext *val,
+                                        const egl::Display *dpyPacked,
+                                        const Surface *surfacePacked,
+                                        EGLint numTimestamps,
+                                        const EGLint *names,
+                                        const EGLnsecsANDROID *values);
+bool ValidateGetNextFrameIdANDROID(const ValidationContext *val,
+                                   const egl::Display *dpyPacked,
+                                   const Surface *surfacePacked,
+                                   const EGLuint64KHR *frameId);
+bool ValidateGetFrameTimestampSupportedANDROID(const ValidationContext *val,
+                                               const egl::Display *dpyPacked,
+                                               const Surface *surfacePacked,
+                                               Timestamp timestampPacked);
+bool ValidateGetFrameTimestampsANDROID(const ValidationContext *val,
+                                       const egl::Display *dpyPacked,
+                                       const Surface *surfacePacked,
+                                       EGLuint64KHR frameId,
+                                       EGLint numTimestamps,
+                                       const EGLint *timestamps,
+                                       const EGLnsecsANDROID *values);
+
+// EGL_ANDROID_get_native_client_buffer
+bool ValidateGetNativeClientBufferANDROID(const ValidationContext *val,
+                                          const struct AHardwareBuffer *buffer);
+
+// EGL_ANDROID_native_fence_sync
+bool ValidateDupNativeFenceFDANDROID(const ValidationContext *val,
+                                     const egl::Display *dpyPacked,
+                                     const Sync *syncPacked);
+
+// EGL_ANDROID_presentation_time
+bool ValidatePresentationTimeANDROID(const ValidationContext *val,
+                                     const egl::Display *dpyPacked,
+                                     const Surface *surfacePacked,
+                                     EGLnsecsANDROID time);
+
+// EGL_ANGLE_device_creation
+bool ValidateCreateDeviceANGLE(const ValidationContext *val,
+                               EGLint device_type,
+                               const void *native_device,
+                               const EGLAttrib *attrib_list);
+bool ValidateReleaseDeviceANGLE(const ValidationContext *val, const Device *devicePacked);
+
+// EGL_ANGLE_feature_control
+bool ValidateQueryStringiANGLE(const ValidationContext *val,
+                               const egl::Display *dpyPacked,
+                               EGLint name,
+                               EGLint index);
+bool ValidateQueryDisplayAttribANGLE(const ValidationContext *val,
+                                     const egl::Display *dpyPacked,
+                                     EGLint attribute,
+                                     const EGLAttrib *value);
+
+// EGL_ANGLE_metal_shared_event_sync
+bool ValidateCopyMetalSharedEventANGLE(const ValidationContext *val,
+                                       const egl::Display *dpyPacked,
+                                       const Sync *syncPacked);
+
+// EGL_ANGLE_power_preference
+bool ValidateReleaseHighPowerGPUANGLE(const ValidationContext *val,
+                                      const egl::Display *dpyPacked,
+                                      const gl::Context *ctxPacked);
+bool ValidateReacquireHighPowerGPUANGLE(const ValidationContext *val,
+                                        const egl::Display *dpyPacked,
+                                        const gl::Context *ctxPacked);
+bool ValidateHandleGPUSwitchANGLE(const ValidationContext *val, const egl::Display *dpyPacked);
+bool ValidateForceGPUSwitchANGLE(const ValidationContext *val,
+                                 const egl::Display *dpyPacked,
+                                 EGLint gpuIDHigh,
+                                 EGLint gpuIDLow);
+
+// EGL_ANGLE_prepare_swap_buffers
+bool ValidatePrepareSwapBuffersANGLE(const ValidationContext *val,
+                                     const egl::Display *dpyPacked,
+                                     const Surface *surfacePacked);
+
+// EGL_ANGLE_program_cache_control
+bool ValidateProgramCacheGetAttribANGLE(const ValidationContext *val,
+                                        const egl::Display *dpyPacked,
+                                        EGLenum attrib);
+bool ValidateProgramCacheQueryANGLE(const ValidationContext *val,
+                                    const egl::Display *dpyPacked,
+                                    EGLint index,
+                                    const void *key,
+                                    const EGLint *keysize,
+                                    const void *binary,
+                                    const EGLint *binarysize);
+bool ValidateProgramCachePopulateANGLE(const ValidationContext *val,
+                                       const egl::Display *dpyPacked,
+                                       const void *key,
+                                       EGLint keysize,
+                                       const void *binary,
+                                       EGLint binarysize);
+bool ValidateProgramCacheResizeANGLE(const ValidationContext *val,
+                                     const egl::Display *dpyPacked,
+                                     EGLint limit,
+                                     EGLint mode);
+
+// EGL_ANGLE_query_surface_pointer
+bool ValidateQuerySurfacePointerANGLE(const ValidationContext *val,
+                                      const egl::Display *dpyPacked,
+                                      const Surface *surfacePacked,
+                                      EGLint attribute,
+                                      void *const *value);
+
+// EGL_ANGLE_stream_producer_d3d_texture
+bool ValidateCreateStreamProducerD3DTextureANGLE(const ValidationContext *val,
+                                                 const egl::Display *dpyPacked,
+                                                 const Stream *streamPacked,
+                                                 const AttributeMap &attrib_listPacked);
+bool ValidateStreamPostD3DTextureANGLE(const ValidationContext *val,
+                                       const egl::Display *dpyPacked,
+                                       const Stream *streamPacked,
+                                       const void *texture,
+                                       const AttributeMap &attrib_listPacked);
+
+// EGL_ANGLE_swap_with_frame_token
+bool ValidateSwapBuffersWithFrameTokenANGLE(const ValidationContext *val,
+                                            const egl::Display *dpyPacked,
+                                            const Surface *surfacePacked,
+                                            EGLFrameTokenANGLE frametoken);
+
+// EGL_ANGLE_sync_control_rate
+bool ValidateGetMscRateANGLE(const ValidationContext *val,
+                             const egl::Display *dpyPacked,
+                             const Surface *surfacePacked,
+                             const EGLint *numerator,
+                             const EGLint *denominator);
+
+// EGL_ANGLE_vulkan_image
+bool ValidateExportVkImageANGLE(const ValidationContext *val,
+                                const egl::Display *dpyPacked,
+                                const Image *imagePacked,
+                                const void *vk_image,
+                                const void *vk_image_create_info);
+
+// EGL_CHROMIUM_sync_control
+bool ValidateGetSyncValuesCHROMIUM(const ValidationContext *val,
+                                   const egl::Display *dpyPacked,
+                                   const Surface *surfacePacked,
+                                   const EGLuint64KHR *ust,
+                                   const EGLuint64KHR *msc,
+                                   const EGLuint64KHR *sbc);
+
+// EGL_EXT_device_query
+bool ValidateQueryDeviceAttribEXT(const ValidationContext *val,
+                                  const Device *devicePacked,
+                                  EGLint attribute,
+                                  const EGLAttrib *value);
+bool ValidateQueryDeviceStringEXT(const ValidationContext *val,
+                                  const Device *devicePacked,
+                                  EGLint name);
+bool ValidateQueryDisplayAttribEXT(const ValidationContext *val,
+                                   const egl::Display *dpyPacked,
+                                   EGLint attribute,
+                                   const EGLAttrib *value);
+
+// EGL_EXT_image_dma_buf_import_modifiers
+bool ValidateQueryDmaBufFormatsEXT(const ValidationContext *val,
+                                   const egl::Display *dpyPacked,
+                                   EGLint max_formats,
+                                   const EGLint *formats,
+                                   const EGLint *num_formats);
+bool ValidateQueryDmaBufModifiersEXT(const ValidationContext *val,
+                                     const egl::Display *dpyPacked,
+                                     EGLint format,
+                                     EGLint max_modifiers,
+                                     const EGLuint64KHR *modifiers,
+                                     const EGLBoolean *external_only,
+                                     const EGLint *num_modifiers);
+
+// EGL_EXT_platform_base
+bool ValidateCreatePlatformPixmapSurfaceEXT(const ValidationContext *val,
+                                            const egl::Display *dpyPacked,
+                                            const Config *configPacked,
+                                            const void *native_pixmap,
+                                            const AttributeMap &attrib_listPacked);
+bool ValidateCreatePlatformWindowSurfaceEXT(const ValidationContext *val,
+                                            const egl::Display *dpyPacked,
+                                            const Config *configPacked,
+                                            const void *native_window,
+                                            const AttributeMap &attrib_listPacked);
+bool ValidateGetPlatformDisplayEXT(const ValidationContext *val,
+                                   EGLenum platform,
+                                   const void *native_display,
+                                   const AttributeMap &attrib_listPacked);
+
+// EGL_KHR_debug
+bool ValidateDebugMessageControlKHR(const ValidationContext *val,
+                                    EGLDEBUGPROCKHR callback,
+                                    const AttributeMap &attrib_listPacked);
+bool ValidateLabelObjectKHR(const ValidationContext *val,
+                            const egl::Display *displayPacked,
+                            ObjectType objectTypePacked,
+                            EGLObjectKHR object,
+                            EGLLabelKHR label);
+bool ValidateQueryDebugKHR(const ValidationContext *val, EGLint attribute, const EGLAttrib *value);
+
+// EGL_KHR_fence_sync
+bool ValidateClientWaitSyncKHR(const ValidationContext *val,
+                               const egl::Display *dpyPacked,
+                               const Sync *syncPacked,
+                               EGLint flags,
+                               EGLTimeKHR timeout);
+bool ValidateCreateSyncKHR(const ValidationContext *val,
+                           const egl::Display *dpyPacked,
+                           EGLenum type,
+                           const AttributeMap &attrib_listPacked);
+bool ValidateDestroySyncKHR(const ValidationContext *val,
+                            const egl::Display *dpyPacked,
+                            const Sync *syncPacked);
+bool ValidateGetSyncAttribKHR(const ValidationContext *val,
+                              const egl::Display *dpyPacked,
+                              const Sync *syncPacked,
+                              EGLint attribute,
+                              const EGLint *value);
+
+// EGL_KHR_image
+bool ValidateCreateImageKHR(const ValidationContext *val,
+                            const egl::Display *dpyPacked,
+                            const gl::Context *ctxPacked,
+                            EGLenum target,
+                            EGLClientBuffer buffer,
+                            const AttributeMap &attrib_listPacked);
+bool ValidateDestroyImageKHR(const ValidationContext *val,
+                             const egl::Display *dpyPacked,
+                             const Image *imagePacked);
+
+// EGL_KHR_lock_surface3
+bool ValidateLockSurfaceKHR(const ValidationContext *val,
+                            const egl::Display *dpyPacked,
+                            const Surface *surfacePacked,
+                            const AttributeMap &attrib_listPacked);
+bool ValidateQuerySurface64KHR(const ValidationContext *val,
+                               const egl::Display *dpyPacked,
+                               const Surface *surfacePacked,
+                               EGLint attribute,
+                               const EGLAttribKHR *value);
+bool ValidateUnlockSurfaceKHR(const ValidationContext *val,
+                              const egl::Display *dpyPacked,
+                              const Surface *surfacePacked);
+
+// EGL_KHR_partial_update
+bool ValidateSetDamageRegionKHR(const ValidationContext *val,
+                                const egl::Display *dpyPacked,
+                                const Surface *surfacePacked,
+                                const EGLint *rects,
+                                EGLint n_rects);
+
+// EGL_KHR_reusable_sync
+bool ValidateSignalSyncKHR(const ValidationContext *val,
+                           const egl::Display *dpyPacked,
+                           const Sync *syncPacked,
+                           EGLenum mode);
+
+// EGL_KHR_stream
+bool ValidateCreateStreamKHR(const ValidationContext *val,
+                             const egl::Display *dpyPacked,
+                             const AttributeMap &attrib_listPacked);
+bool ValidateDestroyStreamKHR(const ValidationContext *val,
+                              const egl::Display *dpyPacked,
+                              const Stream *streamPacked);
+bool ValidateQueryStreamKHR(const ValidationContext *val,
+                            const egl::Display *dpyPacked,
+                            const Stream *streamPacked,
+                            EGLenum attribute,
+                            const EGLint *value);
+bool ValidateQueryStreamu64KHR(const ValidationContext *val,
+                               const egl::Display *dpyPacked,
+                               const Stream *streamPacked,
+                               EGLenum attribute,
+                               const EGLuint64KHR *value);
+bool ValidateStreamAttribKHR(const ValidationContext *val,
+                             const egl::Display *dpyPacked,
+                             const Stream *streamPacked,
+                             EGLenum attribute,
+                             EGLint value);
+
+// EGL_KHR_stream_consumer_gltexture
+bool ValidateStreamConsumerAcquireKHR(const ValidationContext *val,
+                                      const egl::Display *dpyPacked,
+                                      const Stream *streamPacked);
+bool ValidateStreamConsumerGLTextureExternalKHR(const ValidationContext *val,
+                                                const egl::Display *dpyPacked,
+                                                const Stream *streamPacked);
+bool ValidateStreamConsumerReleaseKHR(const ValidationContext *val,
+                                      const egl::Display *dpyPacked,
+                                      const Stream *streamPacked);
+
+// EGL_KHR_swap_buffers_with_damage
+bool ValidateSwapBuffersWithDamageKHR(const ValidationContext *val,
+                                      const egl::Display *dpyPacked,
+                                      const Surface *surfacePacked,
+                                      const EGLint *rects,
+                                      EGLint n_rects);
+
+// EGL_KHR_wait_sync
+bool ValidateWaitSyncKHR(const ValidationContext *val,
+                         const egl::Display *dpyPacked,
+                         const Sync *syncPacked,
+                         EGLint flags);
+
+// EGL_NV_post_sub_buffer
+bool ValidatePostSubBufferNV(const ValidationContext *val,
+                             const egl::Display *dpyPacked,
+                             const Surface *surfacePacked,
+                             EGLint x,
+                             EGLint y,
+                             EGLint width,
+                             EGLint height);
+
+// EGL_NV_stream_consumer_gltexture_yuv
+bool ValidateStreamConsumerGLTextureExternalAttribsNV(const ValidationContext *val,
+                                                      const egl::Display *dpyPacked,
+                                                      const Stream *streamPacked,
+                                                      const AttributeMap &attrib_listPacked);
+}  // namespace egl
+
+#endif  // LIBANGLE_VALIDATION_EGL_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES.cpp b/gfx/angle/checkout/src/libANGLE/validationES.cpp
new file mode 100644
index 0000000000..ddc586b1ad
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES.cpp
@@ -0,0 +1,8666 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationES.h: Validation functions for generic OpenGL ES entry point parameters
+
+#include "libANGLE/validationES.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/Display.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/Query.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/TransformFeedback.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/queryutils.h"
+#include "libANGLE/validationES2.h"
+#include "libANGLE/validationES3.h"
+
+#include "common/mathutil.h"
+#include "common/utilities.h"
+
+using namespace angle;
+
+namespace gl
+{
+using namespace err;
+
+namespace
+{
+bool CompressedTextureFormatRequiresExactSize(GLenum internalFormat)
+{
+    // List of compressed format that require that the texture size is smaller than or a multiple of
+    // the compressed block size.
+    switch (internalFormat)
+    {
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+        case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+        case GL_ETC1_RGB8_LOSSY_DECODE_ANGLE:
+        case GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE:
+        case GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE:
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE:
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE:
+        case GL_COMPRESSED_RGBA8_LOSSY_DECODE_ETC2_EAC_ANGLE:
+        case GL_COMPRESSED_SRGB8_ALPHA8_LOSSY_DECODE_ETC2_EAC_ANGLE:
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+            return true;
+
+        default:
+            return false;
+    }
+}
+bool CompressedSubTextureFormatRequiresExactSize(GLenum internalFormat)
+{
+    // Compressed sub textures have additional formats that requires exact size.
+    // ES 3.1, Section 8.7, Page 171
+    return CompressedTextureFormatRequiresExactSize(internalFormat) ||
+           IsETC2EACFormat(internalFormat) || IsASTC2DFormat(internalFormat);
+}
+
+bool DifferenceCanOverflow(GLint a, GLint b)
+{
+    CheckedNumeric<GLint> checkedA(a);
+    checkedA -= b;
+    // Use negation to make sure that the difference can't overflow regardless of the order.
+    checkedA = -checkedA;
+    return !checkedA.IsValid();
+}
+
+bool ValidReadPixelsTypeEnum(const Context *context, GLenum type)
+{
+    switch (type)
+    {
+        // Types referenced in Table 3.4 of the ES 2.0.25 spec
+        case GL_UNSIGNED_BYTE:
+        case GL_UNSIGNED_SHORT_4_4_4_4:
+        case GL_UNSIGNED_SHORT_5_5_5_1:
+        case GL_UNSIGNED_SHORT_5_6_5:
+            return context->getClientVersion() >= ES_2_0;
+
+        // Types referenced in Table 3.2 of the ES 3.0.5 spec (Except depth stencil)
+        case GL_BYTE:
+        case GL_INT:
+        case GL_SHORT:
+        case GL_UNSIGNED_INT:
+        case GL_UNSIGNED_INT_10F_11F_11F_REV:
+        case GL_UNSIGNED_INT_2_10_10_10_REV:
+        case GL_UNSIGNED_INT_5_9_9_9_REV:
+        case GL_UNSIGNED_SHORT:
+        case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+        case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+            return context->getClientVersion() >= ES_3_0;
+
+        case GL_FLOAT:
+            return context->getClientVersion() >= ES_3_0 ||
+                   context->getExtensions().textureFloatOES ||
+                   context->getExtensions().colorBufferHalfFloatEXT;
+
+        case GL_HALF_FLOAT:
+            return context->getClientVersion() >= ES_3_0 ||
+                   context->getExtensions().textureHalfFloatOES;
+
+        case GL_HALF_FLOAT_OES:
+            return context->getExtensions().colorBufferHalfFloatEXT;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidReadPixelsFormatEnum(const Context *context, GLenum format)
+{
+    switch (format)
+    {
+        // Formats referenced in Table 3.4 of the ES 2.0.25 spec (Except luminance)
+        case GL_RGBA:
+        case GL_RGB:
+        case GL_ALPHA:
+            return context->getClientVersion() >= ES_2_0;
+
+        // Formats referenced in Table 3.2 of the ES 3.0.5 spec
+        case GL_RG:
+        case GL_RED:
+        case GL_RGBA_INTEGER:
+        case GL_RGB_INTEGER:
+        case GL_RG_INTEGER:
+        case GL_RED_INTEGER:
+            return context->getClientVersion() >= ES_3_0;
+
+        case GL_SRGB_ALPHA_EXT:
+        case GL_SRGB_EXT:
+            return context->getExtensions().sRGBEXT;
+
+        case GL_BGRA_EXT:
+            return context->getExtensions().readFormatBgraEXT;
+
+        case GL_RGBX8_ANGLE:
+            return context->getExtensions().rgbxInternalFormatANGLE;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidReadPixelsUnsignedNormalizedDepthType(const Context *context,
+                                                const gl::InternalFormat *info,
+                                                GLenum type)
+{
+    bool supportsReadDepthNV = context->getExtensions().readDepthNV && (info->depthBits > 0);
+    switch (type)
+    {
+        case GL_UNSIGNED_SHORT:
+        case GL_UNSIGNED_INT:
+        case GL_UNSIGNED_INT_24_8:
+            return supportsReadDepthNV;
+        default:
+            return false;
+    }
+}
+
+bool ValidReadPixelsFloatDepthType(const Context *context,
+                                   const gl::InternalFormat *info,
+                                   GLenum type)
+{
+    return context->getExtensions().readDepthNV && (type == GL_FLOAT) &&
+           context->getExtensions().depthBufferFloat2NV;
+}
+
+bool ValidReadPixelsFormatType(const Context *context,
+                               const gl::InternalFormat *info,
+                               GLenum format,
+                               GLenum type)
+{
+    switch (info->componentType)
+    {
+        case GL_UNSIGNED_NORMALIZED:
+            // TODO(geofflang): Don't accept BGRA here.  Some chrome internals appear to try to use
+            // ReadPixels with BGRA even if the extension is not present
+            switch (format)
+            {
+                case GL_RGBA:
+                    return ((type == GL_UNSIGNED_BYTE) && info->pixelBytes >= 1) ||
+                           (context->getExtensions().textureNorm16EXT &&
+                            (type == GL_UNSIGNED_SHORT) && info->pixelBytes >= 2);
+                case GL_BGRA_EXT:
+                    return context->getExtensions().readFormatBgraEXT && (type == GL_UNSIGNED_BYTE);
+                case GL_STENCIL_INDEX_OES:
+                    return context->getExtensions().readStencilNV && (type == GL_UNSIGNED_BYTE);
+                case GL_DEPTH_COMPONENT:
+                    return ValidReadPixelsUnsignedNormalizedDepthType(context, info, type);
+                case GL_DEPTH_STENCIL_OES:
+                    return context->getExtensions().readDepthStencilNV &&
+                           (type == GL_UNSIGNED_INT_24_8_OES) && info->stencilBits > 0;
+                case GL_RGBX8_ANGLE:
+                    return context->getExtensions().rgbxInternalFormatANGLE &&
+                           (type == GL_UNSIGNED_BYTE);
+                default:
+                    return false;
+            }
+        case GL_SIGNED_NORMALIZED:
+            return (format == GL_RGBA && type == GL_BYTE && info->pixelBytes >= 1) ||
+                   (context->getExtensions().textureNorm16EXT && format == GL_RGBA &&
+                    type == GL_UNSIGNED_SHORT && info->pixelBytes >= 2);
+
+        case GL_INT:
+            return (format == GL_RGBA_INTEGER && type == GL_INT);
+
+        case GL_UNSIGNED_INT:
+            return (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT);
+
+        case GL_FLOAT:
+            switch (format)
+            {
+                case GL_RGBA:
+                    return (type == GL_FLOAT);
+                case GL_DEPTH_COMPONENT:
+                    return ValidReadPixelsFloatDepthType(context, info, type);
+                case GL_DEPTH_STENCIL_OES:
+                    return context->getExtensions().readDepthStencilNV &&
+                           type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && info->stencilBits > 0;
+                default:
+                    return false;
+            }
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+template <typename ParamType>
+bool ValidateTextureWrapModeValue(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const ParamType *params,
+                                  bool restrictedWrapModes)
+{
+    switch (ConvertToGLenum(params[0]))
+    {
+        case GL_CLAMP_TO_EDGE:
+            break;
+
+        case GL_CLAMP_TO_BORDER:
+            if (!context->getExtensions().textureBorderClampAny() &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_REPEAT:
+        case GL_MIRRORED_REPEAT:
+            if (restrictedWrapModes)
+            {
+                // OES_EGL_image_external and ANGLE_texture_rectangle specifies this error.
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidWrapModeTexture);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureWrap);
+            return false;
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateTextureMinFilterValue(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   const ParamType *params,
+                                   bool restrictedMinFilter)
+{
+    switch (ConvertToGLenum(params[0]))
+    {
+        case GL_NEAREST:
+        case GL_LINEAR:
+            break;
+
+        case GL_NEAREST_MIPMAP_NEAREST:
+        case GL_LINEAR_MIPMAP_NEAREST:
+        case GL_NEAREST_MIPMAP_LINEAR:
+        case GL_LINEAR_MIPMAP_LINEAR:
+            if (restrictedMinFilter)
+            {
+                // OES_EGL_image_external specifies this error.
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFilterTexture);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureFilterParam);
+            return false;
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateTextureMagFilterValue(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   const ParamType *params)
+{
+    switch (ConvertToGLenum(params[0]))
+    {
+        case GL_NEAREST:
+        case GL_LINEAR:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureFilterParam);
+            return false;
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateTextureCompareModeValue(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     const ParamType *params)
+{
+    // Acceptable mode parameters from GLES 3.0.2 spec, table 3.17
+    switch (ConvertToGLenum(params[0]))
+    {
+        case GL_NONE:
+        case GL_COMPARE_REF_TO_TEXTURE:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kUnknownParameter);
+            return false;
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateTextureCompareFuncValue(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     const ParamType *params)
+{
+    // Acceptable function parameters from GLES 3.0.2 spec, table 3.17
+    switch (ConvertToGLenum(params[0]))
+    {
+        case GL_LEQUAL:
+        case GL_GEQUAL:
+        case GL_LESS:
+        case GL_GREATER:
+        case GL_EQUAL:
+        case GL_NOTEQUAL:
+        case GL_ALWAYS:
+        case GL_NEVER:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kUnknownParameter);
+            return false;
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateTextureSRGBDecodeValue(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    const ParamType *params)
+{
+    if (!context->getExtensions().textureSRGBDecodeEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (ConvertToGLenum(params[0]))
+    {
+        case GL_DECODE_EXT:
+        case GL_SKIP_DECODE_EXT:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kUnknownParameter);
+            return false;
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateTextureSRGBOverrideValue(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      const ParamType *params)
+{
+    if (!context->getExtensions().textureFormatSRGBOverrideEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (ConvertToGLenum(params[0]))
+    {
+        case GL_SRGB:
+        case GL_NONE:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kUnknownParameter);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateTextureMaxAnisotropyExtensionEnabled(const Context *context,
+                                                  angle::EntryPoint entryPoint)
+{
+    if (!context->getExtensions().textureFilterAnisotropicEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTextureMaxAnisotropyValue(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLfloat paramValue)
+{
+    if (!ValidateTextureMaxAnisotropyExtensionEnabled(context, entryPoint))
+    {
+        return false;
+    }
+
+    GLfloat largest = context->getCaps().maxTextureAnisotropy;
+
+    if (paramValue < 1 || paramValue > largest)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kOutsideOfBounds);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFragmentShaderColorBufferMaskMatch(const Context *context)
+{
+    const auto &glState            = context->getState();
+    const Program *program         = context->getActiveLinkedProgram();
+    const Framebuffer *framebuffer = glState.getDrawFramebuffer();
+
+    auto drawBufferMask =
+        framebuffer->getDrawBufferMask() & glState.getBlendStateExt().compareColorMask(0);
+    auto fragmentOutputMask = program->getExecutable().getActiveOutputVariablesMask();
+
+    return drawBufferMask == (drawBufferMask & fragmentOutputMask);
+}
+
+bool ValidateFragmentShaderColorBufferTypeMatch(const Context *context)
+{
+    const ProgramExecutable *executable = context->getState().getLinkedProgramExecutable(context);
+    const Framebuffer *framebuffer      = context->getState().getDrawFramebuffer();
+
+    return ValidateComponentTypeMasks(executable->getFragmentOutputsTypeMask().to_ulong(),
+                                      framebuffer->getDrawBufferTypeMask().to_ulong(),
+                                      executable->getActiveOutputVariablesMask().to_ulong(),
+                                      framebuffer->getDrawBufferMask().to_ulong());
+}
+
+bool ValidateVertexShaderAttributeTypeMatch(const Context *context)
+{
+    const auto &glState    = context->getState();
+    const Program *program = context->getActiveLinkedProgram();
+    const VertexArray *vao = context->getState().getVertexArray();
+
+    if (!program)
+    {
+        return false;
+    }
+
+    unsigned long stateCurrentValuesTypeBits = glState.getCurrentValuesTypeMask().to_ulong();
+    unsigned long vaoAttribTypeBits          = vao->getAttributesTypeMask().to_ulong();
+    unsigned long vaoAttribEnabledMask       = vao->getAttributesMask().to_ulong();
+
+    vaoAttribEnabledMask |= vaoAttribEnabledMask << kMaxComponentTypeMaskIndex;
+    vaoAttribTypeBits = (vaoAttribEnabledMask & vaoAttribTypeBits);
+    vaoAttribTypeBits |= (~vaoAttribEnabledMask & stateCurrentValuesTypeBits);
+
+    const ProgramExecutable &executable = program->getExecutable();
+    return ValidateComponentTypeMasks(executable.getAttributesTypeMask().to_ulong(),
+                                      vaoAttribTypeBits, executable.getAttributesMask().to_ulong(),
+                                      0xFFFF);
+}
+
+bool IsCompatibleDrawModeWithGeometryShader(PrimitiveMode drawMode,
+                                            PrimitiveMode geometryShaderInputPrimitiveType)
+{
+    // [EXT_geometry_shader] Section 11.1gs.1, Geometry Shader Input Primitives
+    switch (drawMode)
+    {
+        case PrimitiveMode::Points:
+            return geometryShaderInputPrimitiveType == PrimitiveMode::Points;
+        case PrimitiveMode::Lines:
+        case PrimitiveMode::LineStrip:
+        case PrimitiveMode::LineLoop:
+            return geometryShaderInputPrimitiveType == PrimitiveMode::Lines;
+        case PrimitiveMode::LinesAdjacency:
+        case PrimitiveMode::LineStripAdjacency:
+            return geometryShaderInputPrimitiveType == PrimitiveMode::LinesAdjacency;
+        case PrimitiveMode::Triangles:
+        case PrimitiveMode::TriangleFan:
+        case PrimitiveMode::TriangleStrip:
+            return geometryShaderInputPrimitiveType == PrimitiveMode::Triangles;
+        case PrimitiveMode::TrianglesAdjacency:
+        case PrimitiveMode::TriangleStripAdjacency:
+            return geometryShaderInputPrimitiveType == PrimitiveMode::TrianglesAdjacency;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+// GLES1 texture parameters are a small subset of the others
+bool IsValidGLES1TextureParameter(GLenum pname)
+{
+    switch (pname)
+    {
+        case GL_TEXTURE_MAG_FILTER:
+        case GL_TEXTURE_MIN_FILTER:
+        case GL_TEXTURE_WRAP_S:
+        case GL_TEXTURE_WRAP_T:
+        case GL_TEXTURE_WRAP_R:
+        case GL_GENERATE_MIPMAP:
+        case GL_TEXTURE_CROP_RECT_OES:
+            return true;
+        default:
+            return false;
+    }
+}
+
+unsigned int GetSamplerParameterCount(GLenum pname)
+{
+    return pname == GL_TEXTURE_BORDER_COLOR ? 4 : 1;
+}
+
+const char *ValidateProgramDrawAdvancedBlendState(const Context *context, Program *program)
+{
+    const State &state = context->getState();
+    const BlendEquationBitSet &supportedBlendEquations =
+        program->getExecutable().getAdvancedBlendEquations();
+    const DrawBufferMask &enabledDrawBufferMask = state.getBlendStateExt().getEnabledMask();
+
+    for (size_t blendEnabledBufferIndex : enabledDrawBufferMask)
+    {
+        const gl::BlendEquationType &enabledBlendEquation = gl::FromGLenum<gl::BlendEquationType>(
+            state.getBlendStateExt().getEquationColorIndexed(blendEnabledBufferIndex));
+
+        if (enabledBlendEquation < gl::BlendEquationType::Multiply ||
+            enabledBlendEquation > gl::BlendEquationType::HslLuminosity)
+        {
+            continue;
+        }
+
+        if (!supportedBlendEquations.test(enabledBlendEquation))
+        {
+            return gl::err::kBlendEquationNotEnabled;
+        }
+    }
+
+    return nullptr;
+}
+
+ANGLE_INLINE const char *ValidateProgramDrawStates(const Context *context,
+                                                   const Extensions &extensions,
+                                                   Program *program)
+{
+    const State &state = context->getState();
+    if (extensions.multiviewOVR || extensions.multiview2OVR)
+    {
+        const int programNumViews     = program->usesMultiview() ? program->getNumViews() : 1;
+        Framebuffer *framebuffer      = state.getDrawFramebuffer();
+        const int framebufferNumViews = framebuffer->getNumViews();
+
+        if (framebufferNumViews != programNumViews)
+        {
+            return gl::err::kMultiviewMismatch;
+        }
+
+        if (state.isTransformFeedbackActiveUnpaused() && framebufferNumViews > 1)
+        {
+            return gl::err::kMultiviewTransformFeedback;
+        }
+
+        if (extensions.disjointTimerQueryEXT && framebufferNumViews > 1 &&
+            state.isQueryActive(QueryType::TimeElapsed))
+        {
+            return gl::err::kMultiviewTimerQuery;
+        }
+    }
+
+    // Uniform buffer validation
+    for (unsigned int uniformBlockIndex = 0;
+         uniformBlockIndex < program->getActiveUniformBlockCount(); uniformBlockIndex++)
+    {
+        const InterfaceBlock &uniformBlock = program->getUniformBlockByIndex(uniformBlockIndex);
+        GLuint blockBinding                = program->getUniformBlockBinding(uniformBlockIndex);
+        const OffsetBindingPointer<Buffer> &uniformBuffer =
+            state.getIndexedUniformBuffer(blockBinding);
+
+        if (uniformBuffer.get() == nullptr && context->isWebGL())
+        {
+            // undefined behaviour
+            return gl::err::kUniformBufferUnbound;
+        }
+
+        size_t uniformBufferSize = GetBoundBufferAvailableSize(uniformBuffer);
+        if (uniformBufferSize < uniformBlock.dataSize &&
+            (context->isWebGL() || context->isBufferAccessValidationEnabled()))
+        {
+            // undefined behaviour
+            return gl::err::kUniformBufferTooSmall;
+        }
+
+        if (uniformBuffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+        {
+            return gl::err::kUniformBufferBoundForTransformFeedback;
+        }
+    }
+
+    // Enabled blend equation validation
+    const char *errorString = nullptr;
+
+    if (extensions.blendEquationAdvancedKHR)
+    {
+        errorString = ValidateProgramDrawAdvancedBlendState(context, program);
+    }
+
+    return errorString;
+}
+}  // anonymous namespace
+
+void SetRobustLengthParam(const GLsizei *length, GLsizei value)
+{
+    if (length)
+    {
+        // Currently we modify robust length parameters in the validation layer. We should be only
+        // doing this in the Context instead.
+        // TODO(http://anglebug.com/4406): Remove when possible.
+        *const_cast<GLsizei *>(length) = value;
+    }
+}
+
+bool ValidTextureTarget(const Context *context, TextureType type)
+{
+    switch (type)
+    {
+        case TextureType::_2D:
+        case TextureType::CubeMap:
+            return true;
+
+        case TextureType::Rectangle:
+            return context->getExtensions().textureRectangleANGLE;
+
+        case TextureType::_3D:
+            return ((context->getClientMajorVersion() >= 3) ||
+                    context->getExtensions().texture3DOES);
+
+        case TextureType::_2DArray:
+            return (context->getClientMajorVersion() >= 3);
+
+        case TextureType::_2DMultisample:
+            return (context->getClientVersion() >= Version(3, 1) ||
+                    context->getExtensions().textureMultisampleANGLE);
+        case TextureType::_2DMultisampleArray:
+            return context->getExtensions().textureStorageMultisample2dArrayOES;
+
+        case TextureType::CubeMapArray:
+            return (context->getClientVersion() >= Version(3, 2) ||
+                    context->getExtensions().textureCubeMapArrayAny());
+
+        case TextureType::VideoImage:
+            return context->getExtensions().videoTextureWEBGL;
+
+        case TextureType::Buffer:
+            return (context->getClientVersion() >= Version(3, 2) ||
+                    context->getExtensions().textureBufferAny());
+
+        default:
+            return false;
+    }
+}
+
+bool ValidTexture2DTarget(const Context *context, TextureType type)
+{
+    switch (type)
+    {
+        case TextureType::_2D:
+        case TextureType::CubeMap:
+            return true;
+
+        case TextureType::Rectangle:
+            return context->getExtensions().textureRectangleANGLE;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidTexture3DTarget(const Context *context, TextureType target)
+{
+    switch (target)
+    {
+        case TextureType::_3D:
+        case TextureType::_2DArray:
+            return (context->getClientMajorVersion() >= 3);
+
+        case TextureType::CubeMapArray:
+            return (context->getClientVersion() >= Version(3, 2) ||
+                    context->getExtensions().textureCubeMapArrayAny());
+
+        default:
+            return false;
+    }
+}
+
+// Most texture GL calls are not compatible with external textures, so we have a separate validation
+// function for use in the GL calls that do
+bool ValidTextureExternalTarget(const Context *context, TextureType target)
+{
+    return (target == TextureType::External) &&
+           (context->getExtensions().EGLImageExternalOES ||
+            context->getExtensions().EGLStreamConsumerExternalNV);
+}
+
+bool ValidTextureExternalTarget(const Context *context, TextureTarget target)
+{
+    return (target == TextureTarget::External) &&
+           ValidTextureExternalTarget(context, TextureType::External);
+}
+
+// This function differs from ValidTextureTarget in that the target must be
+// usable as the destination of a 2D operation-- so a cube face is valid, but
+// GL_TEXTURE_CUBE_MAP is not.
+// Note: duplicate of IsInternalTextureTarget
+bool ValidTexture2DDestinationTarget(const Context *context, TextureTarget target)
+{
+    switch (target)
+    {
+        case TextureTarget::_2D:
+        case TextureTarget::CubeMapNegativeX:
+        case TextureTarget::CubeMapNegativeY:
+        case TextureTarget::CubeMapNegativeZ:
+        case TextureTarget::CubeMapPositiveX:
+        case TextureTarget::CubeMapPositiveY:
+        case TextureTarget::CubeMapPositiveZ:
+            return true;
+        case TextureTarget::Rectangle:
+            return context->getExtensions().textureRectangleANGLE;
+        case TextureTarget::VideoImage:
+            return context->getExtensions().videoTextureWEBGL;
+        default:
+            return false;
+    }
+}
+
+bool ValidateTransformFeedbackPrimitiveMode(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode transformFeedbackPrimitiveMode,
+                                            PrimitiveMode renderPrimitiveMode)
+{
+    ASSERT(context);
+
+    if ((!context->getExtensions().geometryShaderAny() ||
+         !context->getExtensions().tessellationShaderEXT) &&
+        context->getClientVersion() < ES_3_2)
+    {
+        // It is an invalid operation to call DrawArrays or DrawArraysInstanced with a draw mode
+        // that does not match the current transform feedback object's draw mode (if transform
+        // feedback is active), (3.0.2, section 2.14, pg 86)
+        return transformFeedbackPrimitiveMode == renderPrimitiveMode;
+    }
+
+    const ProgramExecutable *executable = context->getState().getLinkedProgramExecutable(context);
+    ASSERT(executable);
+    if (executable->hasLinkedShaderStage(ShaderType::Geometry))
+    {
+        // If geometry shader is active, transform feedback mode must match what is output from this
+        // stage.
+        renderPrimitiveMode = executable->getGeometryShaderOutputPrimitiveType();
+    }
+    else if (executable->hasLinkedShaderStage(ShaderType::TessEvaluation))
+    {
+        // Similarly with tessellation shaders, but only if no geometry shader is present.  With
+        // tessellation shaders, only triangles are possibly output.
+        return transformFeedbackPrimitiveMode == PrimitiveMode::Triangles &&
+               executable->getTessGenMode() == GL_TRIANGLES;
+    }
+
+    // [GL_EXT_geometry_shader] Table 12.1gs
+    switch (renderPrimitiveMode)
+    {
+        case PrimitiveMode::Points:
+            return transformFeedbackPrimitiveMode == PrimitiveMode::Points;
+        case PrimitiveMode::Lines:
+        case PrimitiveMode::LineStrip:
+        case PrimitiveMode::LineLoop:
+            return transformFeedbackPrimitiveMode == PrimitiveMode::Lines;
+        case PrimitiveMode::Triangles:
+        case PrimitiveMode::TriangleFan:
+        case PrimitiveMode::TriangleStrip:
+            return transformFeedbackPrimitiveMode == PrimitiveMode::Triangles;
+        case PrimitiveMode::Patches:
+            return transformFeedbackPrimitiveMode == PrimitiveMode::Patches;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool ValidateDrawElementsInstancedBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode mode,
+                                       GLsizei count,
+                                       DrawElementsType type,
+                                       const void *indices,
+                                       GLsizei primcount)
+{
+    if (primcount <= 0)
+    {
+        if (primcount < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kNegativePrimcount);
+            return false;
+        }
+
+        // Early exit.
+        return ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices,
+                                          primcount);
+    }
+
+    if (!ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, primcount))
+    {
+        return false;
+    }
+
+    if (count == 0)
+    {
+        // Early exit.
+        return true;
+    }
+
+    return ValidateDrawInstancedAttribs(context, entryPoint, primcount);
+}
+
+bool ValidateDrawArraysInstancedBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     PrimitiveMode mode,
+                                     GLint first,
+                                     GLsizei count,
+                                     GLsizei primcount)
+{
+    if (primcount <= 0)
+    {
+        if (primcount < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kNegativePrimcount);
+            return false;
+        }
+
+        // Early exit.
+        return ValidateDrawArraysCommon(context, entryPoint, mode, first, count, primcount);
+    }
+
+    if (!ValidateDrawArraysCommon(context, entryPoint, mode, first, count, primcount))
+    {
+        return false;
+    }
+
+    if (count == 0)
+    {
+        // Early exit.
+        return true;
+    }
+
+    return ValidateDrawInstancedAttribs(context, entryPoint, primcount);
+}
+
+bool ValidateDrawInstancedANGLE(const Context *context, angle::EntryPoint entryPoint)
+{
+    // Verify there is at least one active attribute with a divisor of zero
+    const State &state                  = context->getState();
+    const ProgramExecutable *executable = state.getLinkedProgramExecutable(context);
+
+    if (!executable)
+    {
+        // No executable means there is no Program/PPO bound, which is undefined behavior, but isn't
+        // an error.
+        context->getState().getDebug().insertMessage(
+            GL_DEBUG_SOURCE_API, GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR, 0, GL_DEBUG_SEVERITY_HIGH,
+            std::string("Attempting to draw without a program"), gl::LOG_WARN, entryPoint);
+        return true;
+    }
+
+    const auto &attribs  = state.getVertexArray()->getVertexAttributes();
+    const auto &bindings = state.getVertexArray()->getVertexBindings();
+    for (size_t attributeIndex = 0; attributeIndex < attribs.size(); attributeIndex++)
+    {
+        const VertexAttribute &attrib = attribs[attributeIndex];
+        const VertexBinding &binding  = bindings[attrib.bindingIndex];
+        if (executable->isAttribLocationActive(attributeIndex) && binding.getDivisor() == 0)
+        {
+            return true;
+        }
+    }
+
+    context->validationError(entryPoint, GL_INVALID_OPERATION, kNoZeroDivisor);
+    return false;
+}
+
+bool ValidTexture3DDestinationTarget(const Context *context, TextureTarget target)
+{
+    switch (target)
+    {
+        case TextureTarget::_3D:
+        case TextureTarget::_2DArray:
+            return true;
+        case TextureTarget::CubeMapArray:
+            return (context->getClientVersion() >= Version(3, 2) ||
+                    context->getExtensions().textureCubeMapArrayAny());
+        default:
+            return false;
+    }
+}
+
+bool ValidTexLevelDestinationTarget(const Context *context, TextureType type)
+{
+    switch (type)
+    {
+        case TextureType::_2D:
+        case TextureType::_2DArray:
+        case TextureType::_2DMultisample:
+        case TextureType::CubeMap:
+        case TextureType::_3D:
+            return true;
+        case TextureType::CubeMapArray:
+            return (context->getClientVersion() >= Version(3, 2) ||
+                    context->getExtensions().textureCubeMapArrayAny());
+        case TextureType::Rectangle:
+            return context->getExtensions().textureRectangleANGLE;
+        case TextureType::_2DMultisampleArray:
+            return context->getExtensions().textureStorageMultisample2dArrayOES;
+        case TextureType::Buffer:
+            return (context->getClientVersion() >= Version(3, 2) ||
+                    context->getExtensions().textureBufferAny());
+        default:
+            return false;
+    }
+}
+
+bool ValidFramebufferTarget(const Context *context, GLenum target)
+{
+    static_assert(GL_DRAW_FRAMEBUFFER_ANGLE == GL_DRAW_FRAMEBUFFER &&
+                      GL_READ_FRAMEBUFFER_ANGLE == GL_READ_FRAMEBUFFER,
+                  "ANGLE framebuffer enums must equal the ES3 framebuffer enums.");
+
+    switch (target)
+    {
+        case GL_FRAMEBUFFER:
+            return true;
+
+        case GL_READ_FRAMEBUFFER:
+        case GL_DRAW_FRAMEBUFFER:
+            return (context->getExtensions().framebufferBlitAny() ||
+                    context->getClientMajorVersion() >= 3);
+
+        default:
+            return false;
+    }
+}
+
+bool ValidMipLevel(const Context *context, TextureType type, GLint level)
+{
+    const auto &caps = context->getCaps();
+    int maxDimension = 0;
+    switch (type)
+    {
+        case TextureType::_2D:
+        case TextureType::_2DArray:
+        case TextureType::_2DMultisample:
+        case TextureType::_2DMultisampleArray:
+            // TODO(http://anglebug.com/2775): It's a bit unclear what the "maximum allowable
+            // level-of-detail" for multisample textures should be. Could maybe make it zero.
+            maxDimension = caps.max2DTextureSize;
+            break;
+
+        case TextureType::CubeMap:
+        case TextureType::CubeMapArray:
+            maxDimension = caps.maxCubeMapTextureSize;
+            break;
+
+        case TextureType::External:
+        case TextureType::Rectangle:
+        case TextureType::VideoImage:
+        case TextureType::Buffer:
+            return level == 0;
+
+        case TextureType::_3D:
+            maxDimension = caps.max3DTextureSize;
+            break;
+
+        default:
+            UNREACHABLE();
+    }
+
+    return level <= log2(maxDimension) && level >= 0;
+}
+
+bool ValidImageSizeParameters(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureType target,
+                              GLint level,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              bool isSubImage)
+{
+    if (width < 0 || height < 0 || depth < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+    // TexSubImage parameters can be NPOT without textureNPOT extension,
+    // as long as the destination texture is POT.
+    bool hasNPOTSupport =
+        context->getExtensions().textureNpotOES || context->getClientVersion() >= Version(3, 0);
+    if (!isSubImage && !hasNPOTSupport &&
+        (level != 0 && (!isPow2(width) || !isPow2(height) || !isPow2(depth))))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureNotPow2);
+        return false;
+    }
+
+    if (!ValidMipLevel(context, target, level))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidCompressedBaseLevel(GLsizei size, GLuint blockSize, GLint level)
+{
+    // Already checked in ValidMipLevel.
+    ASSERT(level < 32);
+    // This function is used only for 4x4 BC formats.
+    ASSERT(blockSize == 4);
+    // Use the constant value to avoid division.
+    return ((size << level) % 4) == 0;
+}
+
+bool ValidCompressedImageSize(const Context *context,
+                              GLenum internalFormat,
+                              GLint level,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth)
+{
+    if (width < 0 || height < 0)
+    {
+        return false;
+    }
+
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalFormat);
+
+    if (!formatInfo.compressed && !formatInfo.paletted)
+    {
+        return false;
+    }
+
+    // A texture format can not be both block-compressed and paletted
+    ASSERT(!(formatInfo.compressed && formatInfo.paletted));
+
+    if (formatInfo.compressed)
+    {
+        // Only PVRTC1 requires dimensions to be powers of two
+        if (IsPVRTC1Format(internalFormat))
+        {
+            if (!isPow2(width) || !isPow2(height))
+            {
+                return false;
+            }
+
+            if (context->getLimitations().squarePvrtc1)
+            {
+                if (width != height)
+                {
+                    return false;
+                }
+            }
+        }
+
+        if (CompressedTextureFormatRequiresExactSize(internalFormat))
+        {
+            // In WebGL compatibility mode and D3D, enforce that the base level implied
+            // by the compressed texture's mip level would conform to the block
+            // size.
+            if (context->isWebGL() ||
+                context->getLimitations().compressedBaseMipLevelMultipleOfFour)
+            {
+                // This check is performed only for BC formats.
+                ASSERT(formatInfo.compressedBlockDepth == 1);
+                if (!ValidCompressedBaseLevel(width, formatInfo.compressedBlockWidth, level) ||
+                    !ValidCompressedBaseLevel(height, formatInfo.compressedBlockHeight, level))
+                {
+                    return false;
+                }
+            }
+            // non-WebGL and non-D3D check is not necessary for the following formats
+            // From EXT_texture_compression_s3tc specification:
+            // If the width or height is not a multiple of four, there will be 4x4 blocks at the
+            // edge of the image that contain "extra" texels that are not part of the image. From
+            // EXT_texture_compression_bptc & EXT_texture_compression_rgtc specification: If an
+            // RGTC/BPTC image has a width or height that is not a multiple of four, the data
+            // corresponding to texels outside the image are irrelevant and undefined.
+        }
+    }
+
+    if (formatInfo.paletted)
+    {
+        // TODO(http://anglebug.com/7688): multi-level paletted images
+        if (level != 0)
+        {
+            return false;
+        }
+
+        if (!isPow2(width) || !isPow2(height))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidCompressedSubImageSize(const Context *context,
+                                 GLenum internalFormat,
+                                 GLint xoffset,
+                                 GLint yoffset,
+                                 GLint zoffset,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLsizei depth,
+                                 size_t textureWidth,
+                                 size_t textureHeight,
+                                 size_t textureDepth)
+{
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalFormat);
+    if (!formatInfo.compressed)
+    {
+        return false;
+    }
+
+    if (xoffset < 0 || yoffset < 0 || zoffset < 0 || width < 0 || height < 0 || depth < 0)
+    {
+        return false;
+    }
+
+    // ANGLE does not support compressed 3D blocks (provided exclusively by ASTC 3D formats), so
+    // there is no need to check the depth here. Only width and height determine whether a 2D array
+    // element or a 2D slice of a sliced 3D texture fill the entire level.
+    bool fillsEntireMip = xoffset == 0 && yoffset == 0 &&
+                          static_cast<size_t>(width) == textureWidth &&
+                          static_cast<size_t>(height) == textureHeight;
+
+    if (CompressedFormatRequiresWholeImage(internalFormat))
+    {
+        return fillsEntireMip;
+    }
+
+    if (CompressedSubTextureFormatRequiresExactSize(internalFormat))
+    {
+        if (xoffset % formatInfo.compressedBlockWidth != 0 ||
+            yoffset % formatInfo.compressedBlockHeight != 0 ||
+            zoffset % formatInfo.compressedBlockDepth != 0)
+        {
+            return false;
+        }
+
+        // Allowed to either have data that is a multiple of block size or is smaller than the block
+        // size but fills the entire mip
+        bool sizeMultipleOfBlockSize = (width % formatInfo.compressedBlockWidth) == 0 &&
+                                       (height % formatInfo.compressedBlockHeight) == 0 &&
+                                       (depth % formatInfo.compressedBlockDepth) == 0;
+        if (!sizeMultipleOfBlockSize && !fillsEntireMip)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidImageDataSize(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        TextureType texType,
+                        GLsizei width,
+                        GLsizei height,
+                        GLsizei depth,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels,
+                        GLsizei imageSize)
+{
+    Buffer *pixelUnpackBuffer = context->getState().getTargetBuffer(BufferBinding::PixelUnpack);
+    if (pixelUnpackBuffer == nullptr && imageSize < 0)
+    {
+        // Checks are not required
+        return true;
+    }
+
+    // ...the data would be unpacked from the buffer object such that the memory reads required
+    // would exceed the data store size.
+    const InternalFormat &formatInfo = GetInternalFormatInfo(format, type);
+    ASSERT(formatInfo.internalFormat != GL_NONE);
+    const Extents size(width, height, depth);
+    const auto &unpack = context->getState().getUnpackState();
+
+    bool targetIs3D = texType == TextureType::_3D || texType == TextureType::_2DArray;
+    GLuint endByte  = 0;
+    if (!formatInfo.computePackUnpackEndByte(type, size, unpack, targetIs3D, &endByte))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+        return false;
+    }
+
+    if (pixelUnpackBuffer)
+    {
+        CheckedNumeric<size_t> checkedEndByte(endByte);
+        CheckedNumeric<size_t> checkedOffset(reinterpret_cast<size_t>(pixels));
+        checkedEndByte += checkedOffset;
+
+        if (!checkedEndByte.IsValid() ||
+            (checkedEndByte.ValueOrDie() > static_cast<size_t>(pixelUnpackBuffer->getSize())))
+        {
+            // Overflow past the end of the buffer
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+            return false;
+        }
+        if (pixelUnpackBuffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kPixelUnpackBufferBoundForTransformFeedback);
+            return false;
+        }
+    }
+    else
+    {
+        ASSERT(imageSize >= 0);
+        if (pixels == nullptr && imageSize != 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kImageSizeMustBeZero);
+            return false;
+        }
+
+        if (pixels != nullptr && endByte > static_cast<GLuint>(imageSize))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kImageSizeTooSmall);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidQueryType(const Context *context, QueryType queryType)
+{
+    switch (queryType)
+    {
+        case QueryType::AnySamples:
+        case QueryType::AnySamplesConservative:
+            return context->getClientMajorVersion() >= 3 ||
+                   context->getExtensions().occlusionQueryBooleanEXT;
+        case QueryType::TransformFeedbackPrimitivesWritten:
+            return (context->getClientMajorVersion() >= 3);
+        case QueryType::TimeElapsed:
+            return context->getExtensions().disjointTimerQueryEXT;
+        case QueryType::CommandsCompleted:
+            return context->getExtensions().syncQueryCHROMIUM;
+        case QueryType::PrimitivesGenerated:
+            return context->getClientVersion() >= ES_3_2 ||
+                   context->getExtensions().geometryShaderAny();
+        default:
+            return false;
+    }
+}
+
+bool ValidateWebGLVertexAttribPointer(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexAttribType type,
+                                      GLboolean normalized,
+                                      GLsizei stride,
+                                      const void *ptr,
+                                      bool pureInteger)
+{
+    ASSERT(context->isWebGL());
+    // WebGL 1.0 [Section 6.11] Vertex Attribute Data Stride
+    // The WebGL API supports vertex attribute data strides up to 255 bytes. A call to
+    // vertexAttribPointer will generate an INVALID_VALUE error if the value for the stride
+    // parameter exceeds 255.
+    constexpr GLsizei kMaxWebGLStride = 255;
+    if (stride > kMaxWebGLStride)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kStrideExceedsWebGLLimit);
+        return false;
+    }
+
+    // WebGL 1.0 [Section 6.4] Buffer Offset and Stride Requirements
+    // The offset arguments to drawElements and vertexAttribPointer, and the stride argument to
+    // vertexAttribPointer, must be a multiple of the size of the data type passed to the call,
+    // or an INVALID_OPERATION error is generated.
+    angle::FormatID internalType = GetVertexFormatID(type, normalized, 1, pureInteger);
+    size_t typeSize              = GetVertexFormatSize(internalType);
+
+    ASSERT(isPow2(typeSize) && typeSize > 0);
+    size_t sizeMask = (typeSize - 1);
+    if ((reinterpret_cast<intptr_t>(ptr) & sizeMask) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kOffsetMustBeMultipleOfType);
+        return false;
+    }
+
+    if ((stride & sizeMask) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kStrideMustBeMultipleOfType);
+        return false;
+    }
+
+    return true;
+}
+
+Program *GetValidProgramNoResolve(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID id)
+{
+    // ES3 spec (section 2.11.1) -- "Commands that accept shader or program object names will
+    // generate the error INVALID_VALUE if the provided name is not the name of either a shader
+    // or program object and INVALID_OPERATION if the provided name identifies an object
+    // that is not the expected type."
+
+    Program *validProgram = context->getProgramNoResolveLink(id);
+
+    if (!validProgram)
+    {
+        if (context->getShader(id))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kExpectedProgramName);
+        }
+        else
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProgramName);
+        }
+    }
+
+    return validProgram;
+}
+
+Program *GetValidProgram(const Context *context, angle::EntryPoint entryPoint, ShaderProgramID id)
+{
+    Program *program = GetValidProgramNoResolve(context, entryPoint, id);
+    if (program)
+    {
+        program->resolveLink(context);
+    }
+    return program;
+}
+
+Shader *GetValidShader(const Context *context, angle::EntryPoint entryPoint, ShaderProgramID id)
+{
+    // See ValidProgram for spec details.
+
+    Shader *validShader = context->getShader(id);
+
+    if (!validShader)
+    {
+        if (context->getProgramNoResolveLink(id))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kExpectedShaderName);
+        }
+        else
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidShaderName);
+        }
+    }
+
+    return validShader;
+}
+
+bool ValidateAttachmentTarget(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum attachment)
+{
+    if (attachment >= GL_COLOR_ATTACHMENT1_EXT && attachment <= GL_COLOR_ATTACHMENT15_EXT)
+    {
+        if (context->getClientMajorVersion() < 3 && !context->getExtensions().drawBuffersEXT)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+            return false;
+        }
+
+        // Color attachment 0 is validated below because it is always valid
+        const int colorAttachment = (attachment - GL_COLOR_ATTACHMENT0_EXT);
+        if (colorAttachment >= context->getCaps().maxColorAttachments)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAttachment);
+            return false;
+        }
+    }
+    else
+    {
+        switch (attachment)
+        {
+            case GL_COLOR_ATTACHMENT0:
+            case GL_DEPTH_ATTACHMENT:
+            case GL_STENCIL_ATTACHMENT:
+                break;
+
+            case GL_DEPTH_STENCIL_ATTACHMENT:
+                if (!context->isWebGL() && context->getClientMajorVersion() < 3)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+                    return false;
+                }
+                break;
+
+            default:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+                return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateRenderbufferStorageParametersBase(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               GLenum target,
+                                               GLsizei samples,
+                                               GLenum internalformat,
+                                               GLsizei width,
+                                               GLsizei height)
+{
+    switch (target)
+    {
+        case GL_RENDERBUFFER:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferTarget);
+            return false;
+    }
+
+    if (width < 0 || height < 0 || samples < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidRenderbufferWidthHeight);
+        return false;
+    }
+
+    // Hack for the special WebGL 1 "DEPTH_STENCIL" internal format.
+    GLenum convertedInternalFormat = context->getConvertedRenderbufferFormat(internalformat);
+
+    const TextureCaps &formatCaps = context->getTextureCaps().get(convertedInternalFormat);
+    if (!formatCaps.renderbuffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferInternalFormat);
+        return false;
+    }
+
+    // ANGLE_framebuffer_multisample does not explicitly state that the internal format must be
+    // sized but it does state that the format must be in the ES2.0 spec table 4.5 which contains
+    // only sized internal formats.
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(convertedInternalFormat);
+    if (formatInfo.internalFormat == GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferInternalFormat);
+        return false;
+    }
+
+    if (std::max(width, height) > context->getCaps().maxRenderbufferSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxRenderbufferSize);
+        return false;
+    }
+
+    RenderbufferID id = context->getState().getRenderbufferId();
+    if (id.value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidRenderbufferTarget);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBlitFramebufferParameters(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLint srcX0,
+                                       GLint srcY0,
+                                       GLint srcX1,
+                                       GLint srcY1,
+                                       GLint dstX0,
+                                       GLint dstY0,
+                                       GLint dstX1,
+                                       GLint dstY1,
+                                       GLbitfield mask,
+                                       GLenum filter)
+{
+    switch (filter)
+    {
+        case GL_NEAREST:
+            break;
+        case GL_LINEAR:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kBlitInvalidFilter);
+            return false;
+    }
+
+    if ((mask & ~(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kBlitInvalidMask);
+        return false;
+    }
+
+    // ES3.0 spec, section 4.3.2 states that linear filtering is only available for the
+    // color buffer, leaving only nearest being unfiltered from above
+    if ((mask & ~GL_COLOR_BUFFER_BIT) != 0 && filter != GL_NEAREST)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBlitOnlyNearestForNonColor);
+        return false;
+    }
+
+    const auto &glState          = context->getState();
+    Framebuffer *readFramebuffer = glState.getReadFramebuffer();
+    Framebuffer *drawFramebuffer = glState.getDrawFramebuffer();
+
+    if (!readFramebuffer || !drawFramebuffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION,
+                                 kBlitFramebufferMissing);
+        return false;
+    }
+
+    if (!ValidateFramebufferComplete(context, entryPoint, readFramebuffer))
+    {
+        return false;
+    }
+
+    if (!ValidateFramebufferComplete(context, entryPoint, drawFramebuffer))
+    {
+        return false;
+    }
+
+    // EXT_YUV_target disallows blitting to or from a YUV framebuffer
+    if ((mask & GL_COLOR_BUFFER_BIT) != 0 &&
+        (readFramebuffer->hasYUVAttachment() || drawFramebuffer->hasYUVAttachment()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBlitYUVFramebuffer);
+        return false;
+    }
+
+    // The draw and read framebuffers can only match if:
+    // - They are the default framebuffer AND
+    // - The read/draw surfaces are different
+    if ((readFramebuffer->id() == drawFramebuffer->id()) &&
+        ((drawFramebuffer->id() != Framebuffer::kDefaultDrawFramebufferHandle) ||
+         (context->getCurrentDrawSurface() == context->getCurrentReadSurface())))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBlitFeedbackLoop);
+        return false;
+    }
+
+    // Not allow blitting to MS buffers, therefore if renderToTextureSamples exist,
+    // consider it MS. checkReadBufferResourceSamples = false
+    if (!ValidateFramebufferNotMultisampled(context, entryPoint, drawFramebuffer, false))
+    {
+        return false;
+    }
+
+    // This validation is specified in the WebGL 2.0 spec and not in the GLES 3.0.5 spec, but we
+    // always run it in order to avoid triggering driver bugs.
+    if (DifferenceCanOverflow(srcX0, srcX1) || DifferenceCanOverflow(srcY0, srcY1) ||
+        DifferenceCanOverflow(dstX0, dstX1) || DifferenceCanOverflow(dstY0, dstY1))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kBlitDimensionsOutOfRange);
+        return false;
+    }
+
+    bool sameBounds = srcX0 == dstX0 && srcY0 == dstY0 && srcX1 == dstX1 && srcY1 == dstY1;
+
+    if (mask & GL_COLOR_BUFFER_BIT)
+    {
+        const FramebufferAttachment *readColorBuffer = readFramebuffer->getReadColorAttachment();
+        const Extensions &extensions                 = context->getExtensions();
+
+        if (readColorBuffer)
+        {
+            const Format &readFormat = readColorBuffer->getFormat();
+
+            for (size_t drawbufferIdx = 0;
+                 drawbufferIdx < drawFramebuffer->getDrawbufferStateCount(); ++drawbufferIdx)
+            {
+                const FramebufferAttachment *attachment =
+                    drawFramebuffer->getDrawBuffer(drawbufferIdx);
+                if (attachment)
+                {
+                    const Format &drawFormat = attachment->getFormat();
+
+                    // The GL ES 3.0.2 spec (pg 193) states that:
+                    // 1) If the read buffer is fixed point format, the draw buffer must be as well
+                    // 2) If the read buffer is an unsigned integer format, the draw buffer must be
+                    // as well
+                    // 3) If the read buffer is a signed integer format, the draw buffer must be as
+                    // well
+                    // Changes with EXT_color_buffer_float:
+                    // Case 1) is changed to fixed point OR floating point
+                    GLenum readComponentType = readFormat.info->componentType;
+                    GLenum drawComponentType = drawFormat.info->componentType;
+                    bool readFixedPoint      = (readComponentType == GL_UNSIGNED_NORMALIZED ||
+                                           readComponentType == GL_SIGNED_NORMALIZED);
+                    bool drawFixedPoint      = (drawComponentType == GL_UNSIGNED_NORMALIZED ||
+                                           drawComponentType == GL_SIGNED_NORMALIZED);
+
+                    if (extensions.colorBufferFloatEXT)
+                    {
+                        bool readFixedOrFloat = (readFixedPoint || readComponentType == GL_FLOAT);
+                        bool drawFixedOrFloat = (drawFixedPoint || drawComponentType == GL_FLOAT);
+
+                        if (readFixedOrFloat != drawFixedOrFloat)
+                        {
+                            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                     kBlitTypeMismatchFixedOrFloat);
+                            return false;
+                        }
+                    }
+                    else if (readFixedPoint != drawFixedPoint)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kBlitTypeMismatchFixedPoint);
+                        return false;
+                    }
+
+                    if (readComponentType == GL_UNSIGNED_INT &&
+                        drawComponentType != GL_UNSIGNED_INT)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kBlitTypeMismatchUnsignedInteger);
+                        return false;
+                    }
+
+                    if (readComponentType == GL_INT && drawComponentType != GL_INT)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kBlitTypeMismatchSignedInteger);
+                        return false;
+                    }
+
+                    if (readColorBuffer->getResourceSamples() > 0 &&
+                        (!Format::EquivalentForBlit(readFormat, drawFormat) || !sameBounds))
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kBlitMultisampledFormatOrBoundsMismatch);
+                        return false;
+                    }
+
+                    if (context->isWebGL() && *readColorBuffer == *attachment)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kBlitSameImageColor);
+                        return false;
+                    }
+                }
+            }
+
+            if (readFormat.info->isInt() && filter == GL_LINEAR)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kBlitIntegerWithLinearFilter);
+                return false;
+            }
+        }
+        // WebGL 2.0 BlitFramebuffer when blitting from a missing attachment
+        // In OpenGL ES it is undefined what happens when an operation tries to blit from a missing
+        // attachment and WebGL defines it to be an error. We do the check unconditionally as the
+        // situation is an application error that would lead to a crash in ANGLE.
+        else if (drawFramebuffer->hasEnabledDrawBuffer())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kBlitMissingColor);
+            return false;
+        }
+    }
+
+    GLenum masks[]       = {GL_DEPTH_BUFFER_BIT, GL_STENCIL_BUFFER_BIT};
+    GLenum attachments[] = {GL_DEPTH_ATTACHMENT, GL_STENCIL_ATTACHMENT};
+    for (size_t i = 0; i < 2; i++)
+    {
+        if (mask & masks[i])
+        {
+            const FramebufferAttachment *readBuffer =
+                readFramebuffer->getAttachment(context, attachments[i]);
+            const FramebufferAttachment *drawBuffer =
+                drawFramebuffer->getAttachment(context, attachments[i]);
+
+            if (readBuffer && drawBuffer)
+            {
+                if (!Format::EquivalentForBlit(readBuffer->getFormat(), drawBuffer->getFormat()))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kBlitDepthOrStencilFormatMismatch);
+                    return false;
+                }
+
+                if (readBuffer->getResourceSamples() > 0 && !sameBounds)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kBlitMultisampledBoundsMismatch);
+                    return false;
+                }
+
+                if (context->isWebGL() && *readBuffer == *drawBuffer)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kBlitSameImageDepthOrStencil);
+                    return false;
+                }
+            }
+            // WebGL 2.0 BlitFramebuffer when blitting from a missing attachment
+            else if (drawBuffer)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kBlitMissingDepthOrStencil);
+                return false;
+            }
+        }
+    }
+
+    // OVR_multiview2:
+    // Calling BlitFramebuffer will result in an INVALID_FRAMEBUFFER_OPERATION error if the
+    // current draw framebuffer isMultiview() or the number of
+    // views in the current read framebuffer is more than one.
+    if (readFramebuffer->readDisallowedByMultiview())
+    {
+        context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION, kBlitFromMultiview);
+        return false;
+    }
+    if (drawFramebuffer->isMultiview())
+    {
+        context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION, kBlitToMultiview);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindFramebufferBase(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 FramebufferID framebuffer)
+{
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    if (!context->getState().isBindGeneratesResourceEnabled() &&
+        !context->isFramebufferGenerated(framebuffer))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindRenderbufferBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  RenderbufferID renderbuffer)
+{
+    if (target != GL_RENDERBUFFER)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferTarget);
+        return false;
+    }
+
+    if (!context->getState().isBindGeneratesResourceEnabled() &&
+        !context->isRenderbufferGenerated(renderbuffer))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferParameteriBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum pname,
+                                       GLint param)
+{
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_FRAMEBUFFER_DEFAULT_WIDTH:
+        {
+            GLint maxWidth = context->getCaps().maxFramebufferWidth;
+            if (param < 0 || param > maxWidth)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsFramebufferWidth);
+                return false;
+            }
+            break;
+        }
+        case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
+        {
+            GLint maxHeight = context->getCaps().maxFramebufferHeight;
+            if (param < 0 || param > maxHeight)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsFramebufferHeight);
+                return false;
+            }
+            break;
+        }
+        case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
+        {
+            GLint maxSamples = context->getCaps().maxFramebufferSamples;
+            if (param < 0 || param > maxSamples)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsFramebufferSamples);
+                return false;
+            }
+            break;
+        }
+        case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
+        {
+            break;
+        }
+        case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT:
+        {
+            if (!context->getExtensions().geometryShaderAny() &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kGeometryShaderExtensionNotEnabled);
+                return false;
+            }
+            GLint maxLayers = context->getCaps().maxFramebufferLayers;
+            if (param < 0 || param > maxLayers)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFramebufferLayer);
+                return false;
+            }
+            break;
+        }
+        case GL_FRAMEBUFFER_FLIP_Y_MESA:
+        {
+            if (!context->getExtensions().framebufferFlipYMESA)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+                return false;
+            }
+            break;
+        }
+        default:
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+        }
+    }
+
+    const Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+    if (framebuffer->isDefault())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultFramebuffer);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateFramebufferRenderbufferBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum target,
+                                         GLenum attachment,
+                                         GLenum renderbuffertarget,
+                                         RenderbufferID renderbuffer)
+{
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    if (renderbuffertarget != GL_RENDERBUFFER)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferTarget);
+        return false;
+    }
+
+    Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target);
+
+    ASSERT(framebuffer);
+    if (framebuffer->isDefault())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultFramebufferTarget);
+        return false;
+    }
+
+    if (!ValidateAttachmentTarget(context, entryPoint, attachment))
+    {
+        return false;
+    }
+
+    // [OpenGL ES 2.0.25] Section 4.4.3 page 112
+    // [OpenGL ES 3.0.2] Section 4.4.2 page 201
+    // 'renderbuffer' must be either zero or the name of an existing renderbuffer object of
+    // type 'renderbuffertarget', otherwise an INVALID_OPERATION error is generated.
+    if (renderbuffer.value != 0)
+    {
+        if (!context->getRenderbuffer(renderbuffer))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidRenderbufferTarget);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferTextureBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLenum attachment,
+                                    TextureID texture,
+                                    GLint level)
+{
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    if (!ValidateAttachmentTarget(context, entryPoint, attachment))
+    {
+        return false;
+    }
+
+    if (texture.value != 0)
+    {
+        Texture *tex = context->getTexture(texture);
+
+        if (tex == nullptr)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingTexture);
+            return false;
+        }
+
+        if (level < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+            return false;
+        }
+
+        // GLES spec 3.1, Section 9.2.8 "Attaching Texture Images to a Framebuffer"
+        // An INVALID_VALUE error is generated if texture is not zero and level is
+        // not a supported texture level for textarget
+
+        // Common criteria for not supported texture levels(other criteria are handled case by case
+        // in non base functions): If texture refers to an immutable-format texture, level must be
+        // greater than or equal to zero and smaller than the value of TEXTURE_IMMUTABLE_LEVELS for
+        // texture.
+        if (tex->getImmutableFormat() && context->getClientVersion() >= ES_3_1)
+        {
+            if (level >= static_cast<GLint>(tex->getImmutableLevels()))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                return false;
+            }
+        }
+
+        // GLES spec 3.2, Section 9.2.8 "Attaching Texture Images to a Framebuffer"
+        // An INVALID_OPERATION error is generated if <texture> is the name of a buffer texture.
+        if ((context->getClientVersion() >= ES_3_2 ||
+             context->getExtensions().textureBufferAny()) &&
+            tex->getType() == TextureType::Buffer)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureTarget);
+            return false;
+        }
+
+        if (tex->getState().hasProtectedContent() != context->getState().hasProtectedContent())
+        {
+            context->validationError(
+                entryPoint, GL_INVALID_OPERATION,
+                "Mismatch between Texture and Context Protected Content state");
+            return false;
+        }
+    }
+
+    const Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (framebuffer->isDefault())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultFramebufferTarget);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGenerateMipmapBase(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target)
+{
+    if (!ValidTextureTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    Texture *texture = context->getTextureByType(target);
+
+    if (texture == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureNotBound);
+        return false;
+    }
+
+    const GLuint effectiveBaseLevel = texture->getTextureState().getEffectiveBaseLevel();
+
+    // This error isn't spelled out in the spec in a very explicit way, but we interpret the spec so
+    // that out-of-range base level has a non-color-renderable / non-texture-filterable format.
+    if (effectiveBaseLevel >= IMPLEMENTATION_MAX_TEXTURE_LEVELS)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBaseLevelOutOfRange);
+        return false;
+    }
+
+    TextureTarget baseTarget = (target == TextureType::CubeMap)
+                                   ? TextureTarget::CubeMapPositiveX
+                                   : NonCubeTextureTypeToTarget(target);
+    const auto &format       = *(texture->getFormat(baseTarget, effectiveBaseLevel).info);
+    if (format.sizedInternalFormat == GL_NONE || format.compressed || format.depthBits > 0 ||
+        format.stencilBits > 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGenerateMipmapNotAllowed);
+        return false;
+    }
+
+    // GenerateMipmap accepts formats that are unsized or both color renderable and filterable.
+    bool formatUnsized = !format.sized;
+    bool formatColorRenderableAndFilterable =
+        format.filterSupport(context->getClientVersion(), context->getExtensions()) &&
+        format.textureAttachmentSupport(context->getClientVersion(), context->getExtensions());
+    if (!formatUnsized && !formatColorRenderableAndFilterable)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGenerateMipmapNotAllowed);
+        return false;
+    }
+
+    // GL_EXT_sRGB adds an unsized SRGB (no alpha) format which has explicitly disabled mipmap
+    // generation
+    if (format.colorEncoding == GL_SRGB && format.format == GL_RGB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGenerateMipmapNotAllowed);
+        return false;
+    }
+
+    // According to the OpenGL extension spec EXT_sRGB.txt, EXT_SRGB is based on ES 2.0 and
+    // generateMipmap is not allowed if texture format is SRGB_EXT or SRGB_ALPHA_EXT.
+    if (context->getClientVersion() < Version(3, 0) && format.colorEncoding == GL_SRGB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGenerateMipmapNotAllowed);
+        return false;
+    }
+
+    // Non-power of 2 ES2 check
+    if (context->getClientVersion() < Version(3, 0) && !context->getExtensions().textureNpotOES &&
+        (!isPow2(static_cast<int>(texture->getWidth(baseTarget, 0))) ||
+         !isPow2(static_cast<int>(texture->getHeight(baseTarget, 0)))))
+    {
+        ASSERT(target == TextureType::_2D || target == TextureType::Rectangle ||
+               target == TextureType::CubeMap);
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureNotPow2);
+        return false;
+    }
+
+    // Cube completeness check
+    if (target == TextureType::CubeMap && !texture->getTextureState().isCubeComplete())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kCubemapIncomplete);
+        return false;
+    }
+
+    if (context->isWebGL() && (texture->getWidth(baseTarget, effectiveBaseLevel) == 0 ||
+                               texture->getHeight(baseTarget, effectiveBaseLevel) == 0))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGenerateMipmapZeroSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateReadPixelsRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const GLsizei *length,
+                                   const GLsizei *columns,
+                                   const GLsizei *rows,
+                                   const void *pixels)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength  = 0;
+    GLsizei writeColumns = 0;
+    GLsizei writeRows    = 0;
+
+    if (!ValidateReadPixelsBase(context, entryPoint, x, y, width, height, format, type, bufSize,
+                                &writeLength, &writeColumns, &writeRows, pixels))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+    SetRobustLengthParam(columns, writeColumns);
+    SetRobustLengthParam(rows, writeRows);
+
+    return true;
+}
+
+bool ValidateReadnPixelsEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLsizei height,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            const void *pixels)
+{
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    return ValidateReadPixelsBase(context, entryPoint, x, y, width, height, format, type, bufSize,
+                                  nullptr, nullptr, nullptr, pixels);
+}
+
+bool ValidateReadnPixelsRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLint x,
+                                    GLint y,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLenum format,
+                                    GLenum type,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLsizei *columns,
+                                    const GLsizei *rows,
+                                    const void *data)
+{
+    GLsizei writeLength  = 0;
+    GLsizei writeColumns = 0;
+    GLsizei writeRows    = 0;
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    if (!ValidateReadPixelsBase(context, entryPoint, x, y, width, height, format, type, bufSize,
+                                &writeLength, &writeColumns, &writeRows, data))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+    SetRobustLengthParam(columns, writeColumns);
+    SetRobustLengthParam(rows, writeRows);
+
+    return true;
+}
+
+bool ValidateGenQueriesEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const QueryID *ids)
+{
+    if (!context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteQueriesEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei n,
+                              const QueryID *ids)
+{
+    if (!context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateIsQueryEXT(const Context *context, angle::EntryPoint entryPoint, QueryID id)
+{
+    if (!context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBeginQueryBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            QueryType target,
+                            QueryID id)
+{
+    if (!ValidQueryType(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidQueryType);
+        return false;
+    }
+
+    if (id.value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidQueryId);
+        return false;
+    }
+
+    // From EXT_occlusion_query_boolean: If BeginQueryEXT is called with an <id>
+    // of zero, if the active query object name for <target> is non-zero (for the
+    // targets ANY_SAMPLES_PASSED_EXT and ANY_SAMPLES_PASSED_CONSERVATIVE_EXT, if
+    // the active query for either target is non-zero), if <id> is the name of an
+    // existing query object whose type does not match <target>, or if <id> is the
+    // active query object name for any query type, the error INVALID_OPERATION is
+    // generated.
+
+    // Ensure no other queries are active
+    // NOTE: If other queries than occlusion are supported, we will need to check
+    // separately that:
+    //    a) The query ID passed is not the current active query for any target/type
+    //    b) There are no active queries for the requested target (and in the case
+    //       of GL_ANY_SAMPLES_PASSED_EXT and GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT,
+    //       no query may be active for either if glBeginQuery targets either.
+
+    if (context->getState().isQueryActive(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kOtherQueryActive);
+        return false;
+    }
+
+    // check that name was obtained with glGenQueries
+    if (!context->isQueryGenerated(id))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidQueryId);
+        return false;
+    }
+
+    // Check for type mismatch. If query is not yet started we're good to go.
+    Query *queryObject = context->getQuery(id);
+    if (queryObject && queryObject->getType() != target)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryTargetMismatch);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBeginQueryEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           QueryType target,
+                           QueryID id)
+{
+    if (!context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().disjointTimerQueryEXT &&
+        !context->getExtensions().syncQueryCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBeginQueryBase(context, entryPoint, target, id);
+}
+
+bool ValidateEndQueryBase(const Context *context, angle::EntryPoint entryPoint, QueryType target)
+{
+    if (!ValidQueryType(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidQueryType);
+        return false;
+    }
+
+    const Query *queryObject = context->getState().getActiveQuery(target);
+
+    if (queryObject == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryInactive);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateEndQueryEXT(const Context *context, angle::EntryPoint entryPoint, QueryType target)
+{
+    if (!context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().disjointTimerQueryEXT &&
+        !context->getExtensions().syncQueryCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateEndQueryBase(context, entryPoint, target);
+}
+
+bool ValidateQueryCounterEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             QueryID id,
+                             QueryType target)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (target != QueryType::Timestamp)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidQueryTarget);
+        return false;
+    }
+
+    if (!context->isQueryGenerated(id))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidQueryId);
+        return false;
+    }
+
+    // If query object is not started, that's fine.
+    Query *queryObject = context->getQuery(id);
+    if (queryObject && context->getState().isQueryActive(queryObject))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryActive);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetQueryivBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            QueryType target,
+                            GLenum pname,
+                            GLsizei *numParams)
+{
+    if (numParams)
+    {
+        *numParams = 0;
+    }
+
+    if (!ValidQueryType(context, target) && target != QueryType::Timestamp)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidQueryType);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_CURRENT_QUERY_EXT:
+            if (target == QueryType::Timestamp)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidQueryTarget);
+                return false;
+            }
+            break;
+        case GL_QUERY_COUNTER_BITS_EXT:
+            if (!context->getExtensions().disjointTimerQueryEXT ||
+                (target != QueryType::Timestamp && target != QueryType::TimeElapsed))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+                return false;
+            }
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    if (numParams)
+    {
+        // All queries return only one value
+        *numParams = 1;
+    }
+
+    return true;
+}
+
+bool ValidateGetQueryivEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           QueryType target,
+                           GLenum pname,
+                           const GLint *params)
+{
+    if (!context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().disjointTimerQueryEXT &&
+        !context->getExtensions().syncQueryCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGetQueryivBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateGetQueryivRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   QueryType target,
+                                   GLenum pname,
+                                   GLsizei bufSize,
+                                   const GLsizei *length,
+                                   const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetQueryivBase(context, entryPoint, target, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetQueryObjectValueBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     QueryID id,
+                                     GLenum pname,
+                                     GLsizei *numParams)
+{
+    if (numParams)
+    {
+        *numParams = 1;
+    }
+
+    if (context->isContextLost())
+    {
+        context->validationError(entryPoint, GL_CONTEXT_LOST, kContextLost);
+
+        if (pname == GL_QUERY_RESULT_AVAILABLE_EXT)
+        {
+            // Generate an error but still return true, the context still needs to return a
+            // value in this case.
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    Query *queryObject = context->getQuery(id);
+
+    if (!queryObject)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidQueryId);
+        return false;
+    }
+
+    if (context->getState().isQueryActive(queryObject))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kQueryActive);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_QUERY_RESULT_EXT:
+        case GL_QUERY_RESULT_AVAILABLE_EXT:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetQueryObjectivEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 QueryID id,
+                                 GLenum pname,
+                                 const GLint *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    return ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, nullptr);
+}
+
+bool ValidateGetQueryObjectivRobustANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         QueryID id,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         const GLsizei *length,
+                                         const GLint *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetQueryObjectuivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  QueryID id,
+                                  GLenum pname,
+                                  const GLuint *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT &&
+        !context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().syncQueryCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    return ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, nullptr);
+}
+
+bool ValidateGetQueryObjectuivRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          QueryID id,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLuint *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT &&
+        !context->getExtensions().occlusionQueryBooleanEXT &&
+        !context->getExtensions().syncQueryCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetQueryObjecti64vEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   QueryID id,
+                                   GLenum pname,
+                                   GLint64 *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    return ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, nullptr);
+}
+
+bool ValidateGetQueryObjecti64vRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           QueryID id,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           GLint64 *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetQueryObjectui64vEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    QueryID id,
+                                    GLenum pname,
+                                    GLuint64 *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    return ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, nullptr);
+}
+
+bool ValidateGetQueryObjectui64vRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            QueryID id,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            GLuint64 *params)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateUniformCommonBase(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const Program *program,
+                               UniformLocation location,
+                               GLsizei count,
+                               const LinkedUniform **uniformOut)
+{
+    // TODO(Jiajia): Add image uniform check in future.
+    if (count < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    if (!program)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidProgramName);
+        return false;
+    }
+
+    if (!program->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    if (location.value == -1)
+    {
+        // Silently ignore the uniform command
+        return false;
+    }
+
+    const auto &uniformLocations = program->getUniformLocations();
+    size_t castedLocation        = static_cast<size_t>(location.value);
+    if (castedLocation >= uniformLocations.size())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidUniformLocation);
+        return false;
+    }
+
+    const auto &uniformLocation = uniformLocations[castedLocation];
+    if (uniformLocation.ignored)
+    {
+        // Silently ignore the uniform command
+        return false;
+    }
+
+    if (!uniformLocation.used())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidUniformLocation);
+        return false;
+    }
+
+    const auto &uniform = program->getUniformByIndex(uniformLocation.index);
+
+    // attempting to write an array to a non-array uniform is an INVALID_OPERATION
+    if (count > 1 && !uniform.isArray())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidUniformCount);
+        return false;
+    }
+
+    *uniformOut = &uniform;
+    return true;
+}
+
+bool ValidateUniform1ivValue(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum uniformType,
+                             GLsizei count,
+                             const GLint *value)
+{
+    // Value type is GL_INT, because we only get here from glUniform1i{v}.
+    // It is compatible with INT or BOOL.
+    // Do these cheap tests first, for a little extra speed.
+    if (GL_INT == uniformType || GL_BOOL == uniformType)
+    {
+        return true;
+    }
+
+    if (IsSamplerType(uniformType))
+    {
+        // Check that the values are in range.
+        const GLint max = context->getCaps().maxCombinedTextureImageUnits;
+        for (GLsizei i = 0; i < count; ++i)
+        {
+            if (value[i] < 0 || value[i] >= max)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kSamplerUniformValueOutOfRange);
+                return false;
+            }
+        }
+        return true;
+    }
+
+    context->validationError(entryPoint, GL_INVALID_OPERATION, kUniformTypeMismatch);
+    return false;
+}
+
+bool ValidateUniformMatrixValue(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum valueType,
+                                GLenum uniformType)
+{
+    // Check that the value type is compatible with uniform type.
+    if (valueType == uniformType)
+    {
+        return true;
+    }
+
+    context->validationError(entryPoint, GL_INVALID_OPERATION, kUniformTypeMismatch);
+    return false;
+}
+
+bool ValidateUniform(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum valueType,
+                     UniformLocation location,
+                     GLsizei count)
+{
+    const LinkedUniform *uniform = nullptr;
+    Program *programObject       = context->getActiveLinkedProgram();
+    return ValidateUniformCommonBase(context, entryPoint, programObject, location, count,
+                                     &uniform) &&
+           ValidateUniformValue(context, entryPoint, valueType, uniform->type);
+}
+
+bool ValidateUniform1iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLint *value)
+{
+    const LinkedUniform *uniform = nullptr;
+    Program *programObject       = context->getActiveLinkedProgram();
+    return ValidateUniformCommonBase(context, entryPoint, programObject, location, count,
+                                     &uniform) &&
+           ValidateUniform1ivValue(context, entryPoint, uniform->type, count, value);
+}
+
+bool ValidateUniformMatrix(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum valueType,
+                           UniformLocation location,
+                           GLsizei count,
+                           GLboolean transpose)
+{
+    if (ConvertToBool(transpose) && context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kES3Required);
+        return false;
+    }
+
+    const LinkedUniform *uniform = nullptr;
+    Program *programObject       = context->getActiveLinkedProgram();
+    return ValidateUniformCommonBase(context, entryPoint, programObject, location, count,
+                                     &uniform) &&
+           ValidateUniformMatrixValue(context, entryPoint, valueType, uniform->type);
+}
+
+bool ValidateStateQuery(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum pname,
+                        GLenum *nativeType,
+                        unsigned int *numParams)
+{
+    if (!context->getQueryParameterInfo(pname, nativeType, numParams))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+
+    if (pname >= GL_DRAW_BUFFER0 && pname <= GL_DRAW_BUFFER15)
+    {
+        int colorAttachment = (pname - GL_DRAW_BUFFER0);
+
+        if (colorAttachment >= caps.maxDrawBuffers)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kIndexExceedsMaxDrawBuffer);
+            return false;
+        }
+    }
+
+    switch (pname)
+    {
+        case GL_TEXTURE_BINDING_2D:
+        case GL_TEXTURE_BINDING_CUBE_MAP:
+        case GL_TEXTURE_BINDING_3D:
+        case GL_TEXTURE_BINDING_2D_ARRAY:
+        case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
+            break;
+        case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
+            if (!context->getExtensions().textureStorageMultisample2dArrayOES)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kMultisampleArrayExtensionRequired);
+                return false;
+            }
+            break;
+        case GL_TEXTURE_BINDING_RECTANGLE_ANGLE:
+            if (!context->getExtensions().textureRectangleANGLE)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+        case GL_TEXTURE_BINDING_EXTERNAL_OES:
+            if (!context->getExtensions().EGLStreamConsumerExternalNV &&
+                !context->getExtensions().EGLImageExternalOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+        case GL_TEXTURE_BUFFER_BINDING:
+        case GL_TEXTURE_BINDING_BUFFER:
+        case GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
+        case GL_MAX_TEXTURE_BUFFER_SIZE:
+            if (context->getClientVersion() < Version(3, 2) &&
+                !context->getExtensions().textureBufferAny())
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kTextureBufferExtensionNotAvailable);
+                return false;
+            }
+            break;
+
+        case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+        case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+        {
+            Framebuffer *readFramebuffer = context->getState().getReadFramebuffer();
+            ASSERT(readFramebuffer);
+
+            if (!ValidateFramebufferComplete<GL_INVALID_OPERATION>(context, entryPoint,
+                                                                   readFramebuffer))
+            {
+                return false;
+            }
+
+            if (readFramebuffer->getReadBufferState() == GL_NONE)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kReadBufferNone);
+                return false;
+            }
+
+            const FramebufferAttachment *attachment = readFramebuffer->getReadColorAttachment();
+            if (!attachment)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kReadBufferNotAttached);
+                return false;
+            }
+        }
+        break;
+
+        case GL_PRIMITIVE_BOUNDING_BOX:
+            if (!context->getExtensions().primitiveBoundingBoxAny())
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_SHADING_RATE_QCOM:
+            if (!context->getExtensions().shadingRateQCOM)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    // pname is valid, but there are no parameters to return
+    if (*numParams == 0)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetBooleanvRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLboolean *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+
+    if (!ValidateRobustStateQuery(context, entryPoint, pname, bufSize, &nativeType, &numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetFloatvRobustANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum pname,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLfloat *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+
+    if (!ValidateRobustStateQuery(context, entryPoint, pname, bufSize, &nativeType, &numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetIntegervRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLint *data)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+
+    if (!ValidateRobustStateQuery(context, entryPoint, pname, bufSize, &nativeType, &numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetInteger64vRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      GLint64 *data)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+
+    if (!ValidateRobustStateQuery(context, entryPoint, pname, bufSize, &nativeType, &numParams))
+    {
+        return false;
+    }
+
+    if (nativeType == GL_INT_64_ANGLEX)
+    {
+        CastStateValues(context, nativeType, pname, numParams, data);
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+    return true;
+}
+
+bool ValidateRobustStateQuery(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              GLsizei bufSize,
+                              GLenum *nativeType,
+                              unsigned int *numParams)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    if (!ValidateStateQuery(context, entryPoint, pname, nativeType, numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, *numParams))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyImageSubDataTarget(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint name,
+                                    GLenum target)
+{
+    // From EXT_copy_image: INVALID_ENUM is generated if either <srcTarget> or <dstTarget> is not
+    // RENDERBUFFER or a valid non - proxy texture target, is TEXTURE_BUFFER, or is one of the
+    // cubemap face selectors described in table 3.17, or if the target does not match the type of
+    // the object. INVALID_VALUE is generated if either <srcName> or <dstName> does not correspond
+    // to a valid renderbuffer or texture object according to the corresponding target parameter.
+    switch (target)
+    {
+        case GL_RENDERBUFFER:
+        {
+            RenderbufferID renderbuffer = PackParam<RenderbufferID>(name);
+            if (!context->isRenderbuffer(renderbuffer))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidRenderbufferName);
+                return false;
+            }
+            break;
+        }
+        case GL_TEXTURE_2D:
+        case GL_TEXTURE_3D:
+        case GL_TEXTURE_2D_ARRAY:
+        case GL_TEXTURE_CUBE_MAP:
+        case GL_TEXTURE_CUBE_MAP_ARRAY_EXT:
+        {
+            TextureID texture = PackParam<TextureID>(name);
+            if (!context->isTexture(texture))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidTextureName);
+                return false;
+            }
+
+            Texture *textureObject = context->getTexture(texture);
+            if (textureObject && textureObject->getType() != PackParam<TextureType>(target))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, err::kTextureTypeMismatch);
+                return false;
+            }
+            break;
+        }
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTarget);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyImageSubDataLevel(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLint level)
+{
+    switch (target)
+    {
+        case GL_RENDERBUFFER:
+        {
+            if (level != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                return false;
+            }
+            break;
+        }
+        case GL_TEXTURE_2D:
+        case GL_TEXTURE_3D:
+        case GL_TEXTURE_2D_ARRAY:
+        case GL_TEXTURE_CUBE_MAP:
+        case GL_TEXTURE_CUBE_MAP_ARRAY_EXT:
+        {
+            if (!ValidMipLevel(context, PackParam<TextureType>(target), level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                return false;
+            }
+            break;
+        }
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTarget);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyImageSubDataTargetRegion(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint name,
+                                          GLenum target,
+                                          GLint level,
+                                          GLint offsetX,
+                                          GLint offsetY,
+                                          GLint offsetZ,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei *samples)
+{
+    // INVALID_VALUE is generated if the dimensions of the either subregion exceeds the boundaries
+    // of the corresponding image object.
+    if (offsetX < 0 || offsetY < 0 || offsetZ < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (target == GL_RENDERBUFFER)
+    {
+        // INVALID_VALUE is generated if the dimensions of the either subregion exceeds the
+        // boundaries of the corresponding image object
+        Renderbuffer *buffer = context->getRenderbuffer(PackParam<RenderbufferID>(name));
+        if ((buffer->getWidth() - offsetX < width) || (buffer->getHeight() - offsetY < height))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kSourceTextureTooSmall);
+            return false;
+        }
+    }
+    else
+    {
+        Texture *texture = context->getTexture(PackParam<TextureID>(name));
+
+        // INVALID_OPERATION is generated if either object is a texture and the texture is not
+        // complete
+        // This will handle the texture completeness check. Note that this ignores format-based
+        // compleness rules.
+        if (!texture->isSamplerCompleteForCopyImage(context, nullptr))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kNotTextureComplete);
+            return false;
+        }
+
+        GLenum textureTargetToUse = target;
+        if (target == GL_TEXTURE_CUBE_MAP)
+        {
+            // Use GL_TEXTURE_CUBE_MAP_POSITIVE_X to properly gather the textureWidth/textureHeight
+            textureTargetToUse = GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+        }
+
+        const GLsizei textureWidth = static_cast<GLsizei>(
+            texture->getWidth(PackParam<TextureTarget>(textureTargetToUse), level));
+        const GLsizei textureHeight = static_cast<GLsizei>(
+            texture->getHeight(PackParam<TextureTarget>(textureTargetToUse), level));
+
+        // INVALID_VALUE is generated if the dimensions of the either subregion exceeds the
+        // boundaries of the corresponding image object
+        if ((textureWidth - offsetX < width) || (textureHeight - offsetY < height))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kSourceTextureTooSmall);
+            return false;
+        }
+
+        *samples = texture->getSamples(PackParam<TextureTarget>(textureTargetToUse), level);
+        *samples = (*samples == 0) ? 1 : *samples;
+    }
+
+    return true;
+}
+
+bool ValidateCompressedRegion(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              const InternalFormat &formatInfo,
+                              GLsizei width,
+                              GLsizei height)
+{
+    ASSERT(formatInfo.compressed);
+
+    // INVALID_VALUE is generated if the image format is compressed and the dimensions of the
+    // subregion fail to meet the alignment constraints of the format.
+    if ((width % formatInfo.compressedBlockWidth != 0) ||
+        (height % formatInfo.compressedBlockHeight != 0))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCompressedRegionSize);
+        return false;
+    }
+
+    return true;
+}
+
+const InternalFormat &GetTargetFormatInfo(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint name,
+                                          GLenum target,
+                                          GLint level)
+{
+    static const InternalFormat defaultInternalFormat;
+
+    switch (target)
+    {
+        case GL_RENDERBUFFER:
+        {
+            Renderbuffer *buffer = context->getRenderbuffer(PackParam<RenderbufferID>(name));
+            return *buffer->getFormat().info;
+        }
+        case GL_TEXTURE_2D:
+        case GL_TEXTURE_3D:
+        case GL_TEXTURE_2D_ARRAY:
+        case GL_TEXTURE_CUBE_MAP:
+        case GL_TEXTURE_CUBE_MAP_ARRAY_EXT:
+        {
+            Texture *texture          = context->getTexture(PackParam<TextureID>(name));
+            GLenum textureTargetToUse = target;
+
+            if (target == GL_TEXTURE_CUBE_MAP)
+            {
+                // Use GL_TEXTURE_CUBE_MAP_POSITIVE_X to properly gather the
+                // textureWidth/textureHeight
+                textureTargetToUse = GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+            }
+            return *texture->getFormat(PackParam<TextureTarget>(textureTargetToUse), level).info;
+        }
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTarget);
+            return defaultInternalFormat;
+    }
+}
+
+bool ValidateCopyMixedFormatCompatible(GLenum uncompressedFormat, GLenum compressedFormat)
+{
+    // Validates mixed format compatibility (uncompressed and compressed) from Table 4.X.1 of the
+    // EXT_copy_image spec.
+    switch (compressedFormat)
+    {
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+        case GL_COMPRESSED_RGBA8_ETC2_EAC:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+        case GL_COMPRESSED_RG11_EAC:
+        case GL_COMPRESSED_SIGNED_RG11_EAC:
+        case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+        case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+        case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+        case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+        case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+        case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+        case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+        case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+        case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+        case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+        case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES:
+        case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES:
+        {
+            switch (uncompressedFormat)
+            {
+                case GL_RGBA32UI:
+                case GL_RGBA32I:
+                case GL_RGBA32F:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+        case GL_COMPRESSED_RGB8_ETC2:
+        case GL_COMPRESSED_SRGB8_ETC2:
+        case GL_COMPRESSED_R11_EAC:
+        case GL_COMPRESSED_SIGNED_R11_EAC:
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+        {
+            switch (uncompressedFormat)
+            {
+                case GL_RGBA16UI:
+                case GL_RGBA16I:
+                case GL_RGBA16F:
+                case GL_RG32UI:
+                case GL_RG32I:
+                case GL_RG32F:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+        default:
+            break;
+    }
+
+    return false;
+}
+
+bool ValidateCopyCompressedFormatCompatible(const InternalFormat &srcFormatInfo,
+                                            const InternalFormat &dstFormatInfo)
+{
+    // Validates compressed format compatibility from Table 4.X.2 of the EXT_copy_image spec.
+
+    ASSERT(srcFormatInfo.internalFormat != dstFormatInfo.internalFormat);
+
+    const GLenum srcFormat = srcFormatInfo.internalFormat;
+    const GLenum dstFormat = dstFormatInfo.internalFormat;
+
+    switch (srcFormat)
+    {
+        case GL_COMPRESSED_RED_RGTC1_EXT:
+            return (dstFormat == GL_COMPRESSED_SIGNED_RED_RGTC1_EXT);
+        case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
+            return (dstFormat == GL_COMPRESSED_RED_RGTC1_EXT);
+        case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
+            return (dstFormat == GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT);
+        case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
+            return (dstFormat == GL_COMPRESSED_RED_GREEN_RGTC2_EXT);
+        case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT:
+            return (dstFormat == GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT);
+        case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT:
+            return (dstFormat == GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT);
+        case GL_COMPRESSED_R11_EAC:
+            return (dstFormat == GL_COMPRESSED_SIGNED_R11_EAC);
+        case GL_COMPRESSED_SIGNED_R11_EAC:
+            return (dstFormat == GL_COMPRESSED_R11_EAC);
+        case GL_COMPRESSED_RG11_EAC:
+            return (dstFormat == GL_COMPRESSED_SIGNED_RG11_EAC);
+        case GL_COMPRESSED_SIGNED_RG11_EAC:
+            return (dstFormat == GL_COMPRESSED_RG11_EAC);
+        default:
+            break;
+    }
+
+    // Since they can't be the same format and are both compressed formats, one must be linear and
+    // the other nonlinear.
+    if (srcFormatInfo.colorEncoding == dstFormatInfo.colorEncoding)
+    {
+        return false;
+    }
+
+    const GLenum linearFormat = (srcFormatInfo.colorEncoding == GL_LINEAR) ? srcFormat : dstFormat;
+    const GLenum nonLinearFormat =
+        (srcFormatInfo.colorEncoding != GL_LINEAR) ? srcFormat : dstFormat;
+
+    switch (linearFormat)
+    {
+        case GL_COMPRESSED_RGBA_BPTC_UNORM_EXT:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT);
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB_S3TC_DXT1_EXT);
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT);
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT);
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT);
+        case GL_COMPRESSED_RGB8_ETC2:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ETC2);
+        case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
+        case GL_COMPRESSED_RGBA8_ETC2_EAC:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
+        case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR);
+        case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES);
+        case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES);
+        case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES);
+        case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES);
+        case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES);
+        case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES);
+        case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES);
+        case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES);
+        case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES);
+        case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+            return (nonLinearFormat == GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES);
+        default:
+            break;
+    }
+
+    return false;
+}
+
+bool ValidateCopyFormatCompatible(const InternalFormat &srcFormatInfo,
+                                  const InternalFormat &dstFormatInfo)
+{
+    // Matching source and destination formats are compatible.
+    if (srcFormatInfo.internalFormat == dstFormatInfo.internalFormat)
+    {
+        return true;
+    }
+
+    if (srcFormatInfo.compressed != dstFormatInfo.compressed)
+    {
+        GLenum uncompressedFormat = (!srcFormatInfo.compressed) ? srcFormatInfo.internalFormat
+                                                                : dstFormatInfo.internalFormat;
+        GLenum compressedFormat   = (srcFormatInfo.compressed) ? srcFormatInfo.internalFormat
+                                                               : dstFormatInfo.internalFormat;
+
+        return ValidateCopyMixedFormatCompatible(uncompressedFormat, compressedFormat);
+    }
+
+    if (!srcFormatInfo.compressed)
+    {
+        // Source and destination are uncompressed formats.
+        return (srcFormatInfo.pixelBytes == dstFormatInfo.pixelBytes);
+    }
+
+    return ValidateCopyCompressedFormatCompatible(srcFormatInfo, dstFormatInfo);
+}
+
+bool ValidateCopyImageSubDataBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint srcName,
+                                  GLenum srcTarget,
+                                  GLint srcLevel,
+                                  GLint srcX,
+                                  GLint srcY,
+                                  GLint srcZ,
+                                  GLuint dstName,
+                                  GLenum dstTarget,
+                                  GLint dstLevel,
+                                  GLint dstX,
+                                  GLint dstY,
+                                  GLint dstZ,
+                                  GLsizei srcWidth,
+                                  GLsizei srcHeight,
+                                  GLsizei srcDepth)
+{
+    // INVALID_VALUE is generated if the dimensions of the either subregion exceeds the boundaries
+    // of the corresponding image object
+    if ((srcWidth < 0) || (srcHeight < 0) || (srcDepth < 0))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    if (!ValidateCopyImageSubDataTarget(context, entryPoint, srcName, srcTarget))
+    {
+        return false;
+    }
+    if (!ValidateCopyImageSubDataTarget(context, entryPoint, dstName, dstTarget))
+    {
+        return false;
+    }
+
+    if (!ValidateCopyImageSubDataLevel(context, entryPoint, srcTarget, srcLevel))
+    {
+        return false;
+    }
+    if (!ValidateCopyImageSubDataLevel(context, entryPoint, dstTarget, dstLevel))
+    {
+        return false;
+    }
+
+    const InternalFormat &srcFormatInfo =
+        GetTargetFormatInfo(context, entryPoint, srcName, srcTarget, srcLevel);
+    const InternalFormat &dstFormatInfo =
+        GetTargetFormatInfo(context, entryPoint, dstName, dstTarget, dstLevel);
+    GLsizei dstWidth   = srcWidth;
+    GLsizei dstHeight  = srcHeight;
+    GLsizei srcSamples = 1;
+    GLsizei dstSamples = 1;
+
+    if (srcFormatInfo.internalFormat == GL_NONE || dstFormatInfo.internalFormat == GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidTextureLevel);
+        return false;
+    }
+
+    if (!ValidateCopyImageSubDataTargetRegion(context, entryPoint, srcName, srcTarget, srcLevel,
+                                              srcX, srcY, srcZ, srcWidth, srcHeight, &srcSamples))
+    {
+        return false;
+    }
+
+    // When copying from a compressed image to an uncompressed image the image texel dimensions
+    // written to the uncompressed image will be source extent divided by the compressed texel block
+    // dimensions.
+    if ((srcFormatInfo.compressed) && (!dstFormatInfo.compressed))
+    {
+        ASSERT(srcFormatInfo.compressedBlockWidth != 0);
+        ASSERT(srcFormatInfo.compressedBlockHeight != 0);
+
+        dstWidth /= srcFormatInfo.compressedBlockWidth;
+        dstHeight /= srcFormatInfo.compressedBlockHeight;
+    }
+    // When copying from an uncompressed image to a compressed image the image texel dimensions
+    // written to the compressed image will be the source extent multiplied by the compressed texel
+    // block dimensions.
+    else if ((!srcFormatInfo.compressed) && (dstFormatInfo.compressed))
+    {
+        dstWidth *= dstFormatInfo.compressedBlockWidth;
+        dstHeight *= dstFormatInfo.compressedBlockHeight;
+    }
+
+    if (!ValidateCopyImageSubDataTargetRegion(context, entryPoint, dstName, dstTarget, dstLevel,
+                                              dstX, dstY, dstZ, dstWidth, dstHeight, &dstSamples))
+    {
+        return false;
+    }
+
+    bool fillsEntireMip               = false;
+    gl::Texture *dstTexture           = context->getTexture({dstName});
+    gl::TextureTarget dstTargetPacked = gl::PackParam<gl::TextureTarget>(dstTarget);
+    // TODO(http://anglebug.com/5643): Some targets (e.g., GL_TEXTURE_CUBE_MAP, GL_RENDERBUFFER) are
+    // unsupported when used with compressed formats due to gl::PackParam() returning
+    // TextureTarget::InvalidEnum.
+    if (dstTargetPacked != gl::TextureTarget::InvalidEnum)
+    {
+        const gl::Extents &dstExtents = dstTexture->getExtents(dstTargetPacked, dstLevel);
+        fillsEntireMip = dstX == 0 && dstY == 0 && dstZ == 0 && srcWidth == dstExtents.width &&
+                         srcHeight == dstExtents.height && srcDepth == dstExtents.depth;
+    }
+
+    if (srcFormatInfo.compressed && !fillsEntireMip &&
+        !ValidateCompressedRegion(context, entryPoint, srcFormatInfo, srcWidth, srcHeight))
+    {
+        return false;
+    }
+
+    if (dstFormatInfo.compressed && !fillsEntireMip &&
+        !ValidateCompressedRegion(context, entryPoint, dstFormatInfo, dstWidth, dstHeight))
+    {
+        return false;
+    }
+
+    // From EXT_copy_image: INVALID_OPERATION is generated if the source and destination formats
+    // are not compatible, if one image is compressed and the other is uncompressed and the block
+    // size of compressed image is not equal to the texel size of the compressed image.
+    if (!ValidateCopyFormatCompatible(srcFormatInfo, dstFormatInfo))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIncompatibleTextures);
+        return false;
+    }
+
+    // INVALID_OPERATION is generated if the source and destination number of samples do not match
+    if (srcSamples != dstSamples)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kSamplesOutOfRange);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyTexImageParametersBase(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureTarget target,
+                                        GLint level,
+                                        GLenum internalformat,
+                                        bool isSubImage,
+                                        GLint xoffset,
+                                        GLint yoffset,
+                                        GLint zoffset,
+                                        GLint x,
+                                        GLint y,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLint border,
+                                        Format *textureFormatOut)
+{
+    TextureType texType = TextureTargetToType(target);
+
+    if (xoffset < 0 || yoffset < 0 || zoffset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (width < 0 || height < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    if (std::numeric_limits<GLsizei>::max() - xoffset < width ||
+        std::numeric_limits<GLsizei>::max() - yoffset < height)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow);
+        return false;
+    }
+
+    if (std::numeric_limits<GLint>::max() - width < x ||
+        std::numeric_limits<GLint>::max() - height < y)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIntegerOverflow);
+        return false;
+    }
+
+    if (border != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBorder);
+        return false;
+    }
+
+    if (!ValidMipLevel(context, texType, level))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    const State &state           = context->getState();
+    Framebuffer *readFramebuffer = state.getReadFramebuffer();
+    if (!ValidateFramebufferComplete(context, entryPoint, readFramebuffer))
+    {
+        return false;
+    }
+
+    // checkReadBufferResourceSamples = true. Treat renderToTexture textures as single sample since
+    // they will be resolved before copying.
+    if (!readFramebuffer->isDefault() &&
+        !ValidateFramebufferNotMultisampled(context, entryPoint, readFramebuffer, true))
+    {
+        return false;
+    }
+
+    if (readFramebuffer->getReadBufferState() == GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kReadBufferNone);
+        return false;
+    }
+
+    // WebGL 1.0 [Section 6.26] Reading From a Missing Attachment
+    // In OpenGL ES it is undefined what happens when an operation tries to read from a missing
+    // attachment and WebGL defines it to be an error. We do the check unconditionally as the
+    // situation is an application error that would lead to a crash in ANGLE.
+    const FramebufferAttachment *source = readFramebuffer->getReadColorAttachment();
+    if (source == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingReadAttachment);
+        return false;
+    }
+
+    if (source->isYUV())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kCopyFromYUVFramebuffer);
+        return false;
+    }
+
+    // ANGLE_multiview spec, Revision 1:
+    // Calling CopyTexSubImage3D, CopyTexImage2D, or CopyTexSubImage2D will result in an
+    // INVALID_FRAMEBUFFER_OPERATION error if the multi-view layout of the current read framebuffer
+    // is FRAMEBUFFER_MULTIVIEW_SIDE_BY_SIDE_ANGLE or the number of views in the current read
+    // framebuffer is more than one.
+    if (readFramebuffer->readDisallowedByMultiview())
+    {
+        context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION,
+                                 kMultiviewReadFramebuffer);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+
+    GLint maxDimension = 0;
+    switch (texType)
+    {
+        case TextureType::_2D:
+            maxDimension = caps.max2DTextureSize;
+            break;
+
+        case TextureType::CubeMap:
+        case TextureType::CubeMapArray:
+            maxDimension = caps.maxCubeMapTextureSize;
+            break;
+
+        case TextureType::Rectangle:
+            maxDimension = caps.maxRectangleTextureSize;
+            break;
+
+        case TextureType::_2DArray:
+            maxDimension = caps.max2DTextureSize;
+            break;
+
+        case TextureType::_3D:
+            maxDimension = caps.max3DTextureSize;
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+            return false;
+    }
+
+    Texture *texture = state.getTargetTexture(texType);
+    if (!texture)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureNotBound);
+        return false;
+    }
+
+    if (texture->getImmutableFormat() && !isSubImage)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsImmutable);
+        return false;
+    }
+
+    const InternalFormat &formatInfo =
+        isSubImage ? *texture->getFormat(target, level).info
+                   : GetInternalFormatInfo(internalformat, GL_UNSIGNED_BYTE);
+
+    if (formatInfo.depthBits > 0 || formatInfo.compressed)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+        return false;
+    }
+
+    if (isSubImage)
+    {
+        if (static_cast<size_t>(xoffset + width) > texture->getWidth(target, level) ||
+            static_cast<size_t>(yoffset + height) > texture->getHeight(target, level) ||
+            static_cast<size_t>(zoffset) >= texture->getDepth(target, level))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow);
+            return false;
+        }
+    }
+    else
+    {
+        if ((texType == TextureType::CubeMap || texType == TextureType::CubeMapArray) &&
+            width != height)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kCubemapIncomplete);
+            return false;
+        }
+
+        if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+        {
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                      internalformat);
+            return false;
+        }
+
+        int maxLevelDimension = (maxDimension >> level);
+        if (static_cast<int>(width) > maxLevelDimension ||
+            static_cast<int>(height) > maxLevelDimension)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+            return false;
+        }
+    }
+
+    // Do not leak the previous texture format for non-subImage case.
+    if (textureFormatOut && isSubImage)
+    {
+        *textureFormatOut = texture->getFormat(target, level);
+    }
+
+    // Detect texture copying feedback loops for WebGL.
+    if (context->isWebGL())
+    {
+        if (readFramebuffer->formsCopyingFeedbackLoopWith(texture->id(), level, zoffset))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kFeedbackLoop);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+const char *ValidateProgramPipelineDrawStates(const Context *context,
+                                              const Extensions &extensions,
+                                              ProgramPipeline *programPipeline)
+{
+    for (const ShaderType shaderType : gl::AllShaderTypes())
+    {
+        Program *program = programPipeline->getShaderProgram(shaderType);
+        if (program)
+        {
+            const char *errorMsg = ValidateProgramDrawStates(context, extensions, program);
+            if (errorMsg)
+            {
+                return errorMsg;
+            }
+        }
+    }
+
+    return nullptr;
+}
+
+const char *ValidateProgramPipelineAttachedPrograms(ProgramPipeline *programPipeline)
+{
+    // An INVALID_OPERATION error is generated by any command that transfers vertices to the
+    // GL or launches compute work if the current set of active
+    // program objects cannot be executed, for reasons including:
+    // - There is no current program object specified by UseProgram, there is a current program
+    //    pipeline object, and that object is empty (no executable code is installed for any stage).
+    // - A program object is active for at least one, but not all of the shader
+    // stages that were present when the program was linked.
+    if (!programPipeline->getExecutable().getLinkedShaderStages().any())
+    {
+        return gl::err::kNoExecutableCodeInstalled;
+    }
+    for (const ShaderType shaderType : gl::AllShaderTypes())
+    {
+        Program *shaderProgram = programPipeline->getShaderProgram(shaderType);
+        if (shaderProgram)
+        {
+            ProgramExecutable &executable = shaderProgram->getExecutable();
+            for (const ShaderType programShaderType : executable.getLinkedShaderStages())
+            {
+                if (shaderProgram != programPipeline->getShaderProgram(programShaderType))
+                {
+                    return gl::err::kNotAllStagesOfSeparableProgramUsed;
+                }
+            }
+        }
+    }
+
+    // [EXT_geometry_shader] Section 11.1.gs Geometry Shaders
+    // A non-separable program object or program pipeline object that includes
+    // a geometry shader must also include a vertex shader.
+    // An INVALID_OPERATION error is generated by any command that transfers
+    // vertices to the GL if the current program state has a geometry shader
+    // but no vertex shader.
+    if (!programPipeline->getShaderProgram(ShaderType::Vertex) &&
+        programPipeline->getShaderProgram(ShaderType::Geometry))
+    {
+        return gl::err::kNoActiveGraphicsShaderStage;
+    }
+
+    return nullptr;
+}
+
+// Note all errors returned from this function are INVALID_OPERATION except for the draw framebuffer
+// completeness check.
+const char *ValidateDrawStates(const Context *context)
+{
+    const Extensions &extensions = context->getExtensions();
+    const State &state           = context->getState();
+
+    // WebGL buffers cannot be mapped/unmapped because the MapBufferRange, FlushMappedBufferRange,
+    // and UnmapBuffer entry points are removed from the WebGL 2.0 API.
+    // https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.14
+    VertexArray *vertexArray = state.getVertexArray();
+    ASSERT(vertexArray);
+
+    if (!extensions.webglCompatibilityANGLE && vertexArray->hasInvalidMappedArrayBuffer())
+    {
+        return kBufferMapped;
+    }
+
+    // Note: these separate values are not supported in WebGL, due to D3D's limitations. See
+    // Section 6.10 of the WebGL 1.0 spec.
+    Framebuffer *framebuffer = state.getDrawFramebuffer();
+    ASSERT(framebuffer);
+
+    if (context->getLimitations().noSeparateStencilRefsAndMasks ||
+        extensions.webglCompatibilityANGLE)
+    {
+        ASSERT(framebuffer);
+        const FramebufferAttachment *dsAttachment =
+            framebuffer->getStencilOrDepthStencilAttachment();
+        const GLuint stencilBits = dsAttachment ? dsAttachment->getStencilSize() : 0;
+        ASSERT(stencilBits <= 8);
+
+        const DepthStencilState &depthStencilState = state.getDepthStencilState();
+        if (depthStencilState.stencilTest && stencilBits > 0)
+        {
+            GLuint maxStencilValue = (1 << stencilBits) - 1;
+
+            bool differentRefs =
+                clamp(state.getStencilRef(), 0, static_cast<GLint>(maxStencilValue)) !=
+                clamp(state.getStencilBackRef(), 0, static_cast<GLint>(maxStencilValue));
+            bool differentWritemasks = (depthStencilState.stencilWritemask & maxStencilValue) !=
+                                       (depthStencilState.stencilBackWritemask & maxStencilValue);
+            bool differentMasks = (depthStencilState.stencilMask & maxStencilValue) !=
+                                  (depthStencilState.stencilBackMask & maxStencilValue);
+
+            if (differentRefs || differentWritemasks || differentMasks)
+            {
+                if (!extensions.webglCompatibilityANGLE)
+                {
+                    WARN() << "This ANGLE implementation does not support separate front/back "
+                              "stencil writemasks, reference values, or stencil mask values.";
+                }
+                return kStencilReferenceMaskOrMismatch;
+            }
+        }
+    }
+
+    if (!extensions.floatBlendEXT)
+    {
+        const DrawBufferMask blendEnabledActiveFloat32ColorAttachmentDrawBufferMask =
+            state.getBlendEnabledDrawBufferMask() &
+            framebuffer->getActiveFloat32ColorAttachmentDrawBufferMask();
+        if (blendEnabledActiveFloat32ColorAttachmentDrawBufferMask.any())
+        {
+            return kUnsupportedFloatBlending;
+        }
+    }
+
+    if (context->getLimitations().noSimultaneousConstantColorAndAlphaBlendFunc ||
+        extensions.webglCompatibilityANGLE)
+    {
+        if (state.hasSimultaneousConstantColorAndAlphaBlendFunc())
+        {
+            if (extensions.webglCompatibilityANGLE)
+            {
+                return kInvalidConstantColor;
+            }
+
+            WARN() << kConstantColorAlphaLimitation;
+            return kConstantColorAlphaLimitation;
+        }
+    }
+
+    if (!framebuffer->isComplete(context))
+    {
+        // Note: this error should be generated as INVALID_FRAMEBUFFER_OPERATION.
+        return kDrawFramebufferIncomplete;
+    }
+
+    bool framebufferIsYUV = framebuffer->hasYUVAttachment();
+    if (framebufferIsYUV)
+    {
+        const BlendState &blendState = state.getBlendState();
+        if (!blendState.colorMaskRed || !blendState.colorMaskGreen || !blendState.colorMaskBlue)
+        {
+            // When rendering into a YUV framebuffer, the color mask must have r g and b set to
+            // true.
+            return kInvalidColorMaskForYUV;
+        }
+
+        if (blendState.blend)
+        {
+            // When rendering into a YUV framebuffer, blending must be disabled.
+            return kInvalidBlendStateForYUV;
+        }
+    }
+    else
+    {
+        if (framebuffer->hasExternalTextureAttachment())
+        {
+            // It is an error to render into an external texture that is not YUV.
+            return kExternalTextureAttachmentNotYUV;
+        }
+    }
+
+    // Advanced blend equation can only be enabled for a single render target.
+    const BlendStateExt &blendStateExt = state.getBlendStateExt();
+    if (blendStateExt.getUsesAdvancedBlendEquationMask().any())
+    {
+        const size_t drawBufferCount            = framebuffer->getDrawbufferStateCount();
+        uint32_t advancedBlendRenderTargetCount = 0;
+
+        for (size_t drawBufferIndex : blendStateExt.getUsesAdvancedBlendEquationMask())
+        {
+            if (drawBufferIndex < drawBufferCount &&
+                framebuffer->getDrawBufferState(drawBufferIndex) != GL_NONE &&
+                blendStateExt.getEnabledMask().test(drawBufferIndex) &&
+                blendStateExt.getUsesAdvancedBlendEquationMask().test(drawBufferIndex))
+            {
+                ++advancedBlendRenderTargetCount;
+            }
+        }
+
+        if (advancedBlendRenderTargetCount > 1)
+        {
+            return kAdvancedBlendEquationWithMRT;
+        }
+    }
+
+    if (context->getStateCache().hasAnyEnabledClientAttrib())
+    {
+        if (extensions.webglCompatibilityANGLE || !state.areClientArraysEnabled())
+        {
+            // [WebGL 1.0] Section 6.5 Enabled Vertex Attributes and Range Checking
+            // If a vertex attribute is enabled as an array via enableVertexAttribArray but no
+            // buffer is bound to that attribute via bindBuffer and vertexAttribPointer, then calls
+            // to drawArrays or drawElements will generate an INVALID_OPERATION error.
+            return kVertexArrayNoBuffer;
+        }
+
+        if (state.getVertexArray()->hasEnabledNullPointerClientArray())
+        {
+            // This is an application error that would normally result in a crash, but we catch it
+            // and return an error
+            return kVertexArrayNoBufferPointer;
+        }
+    }
+
+    // If we are running GLES1, there is no current program.
+    if (context->getClientVersion() >= Version(2, 0))
+    {
+        Program *program                    = state.getLinkedProgram(context);
+        ProgramPipeline *programPipeline    = state.getLinkedProgramPipeline(context);
+        const ProgramExecutable *executable = state.getProgramExecutable();
+
+        bool programIsYUVOutput = false;
+
+        if (program)
+        {
+            const char *errorMsg = ValidateProgramDrawStates(context, extensions, program);
+            if (errorMsg)
+            {
+                return errorMsg;
+            }
+
+            programIsYUVOutput = executable->isYUVOutput();
+        }
+        else if (programPipeline)
+        {
+            const char *errorMsg = ValidateProgramPipelineAttachedPrograms(programPipeline);
+            if (errorMsg)
+            {
+                return errorMsg;
+            }
+
+            errorMsg = ValidateProgramPipelineDrawStates(context, extensions, programPipeline);
+            if (errorMsg)
+            {
+                return errorMsg;
+            }
+
+            if (!programPipeline->isLinked())
+            {
+                return kProgramPipelineLinkFailed;
+            }
+
+            programIsYUVOutput = executable->isYUVOutput();
+        }
+
+        if (executable)
+        {
+            if (!executable->validateSamplers(nullptr, context->getCaps()))
+            {
+                return kTextureTypeConflict;
+            }
+
+            if (executable->hasLinkedTessellationShader())
+            {
+                if (!executable->hasLinkedShaderStage(ShaderType::Vertex))
+                {
+                    return kTessellationShaderRequiresVertexShader;
+                }
+
+                if (!executable->hasLinkedShaderStage(ShaderType::TessControl) ||
+                    !executable->hasLinkedShaderStage(ShaderType::TessEvaluation))
+                {
+                    return kTessellationShaderRequiresBothControlAndEvaluation;
+                }
+            }
+
+            if (state.isTransformFeedbackActive())
+            {
+                if (!ValidateProgramExecutableXFBBuffersPresent(context, executable))
+                {
+                    return kTransformFeedbackBufferMissing;
+                }
+            }
+        }
+
+        if (programIsYUVOutput != framebufferIsYUV)
+        {
+            // Both the program and framebuffer must match in YUV output state.
+            return kYUVOutputMissmatch;
+        }
+
+        if (!state.validateSamplerFormats())
+        {
+            return kSamplerFormatMismatch;
+        }
+
+        // Do some additional WebGL-specific validation
+        if (extensions.webglCompatibilityANGLE)
+        {
+            const TransformFeedback *transformFeedbackObject = state.getCurrentTransformFeedback();
+            if (state.isTransformFeedbackActive() &&
+                transformFeedbackObject->buffersBoundForOtherUseInWebGL())
+            {
+                return kTransformFeedbackBufferDoubleBound;
+            }
+
+            // Detect rendering feedback loops for WebGL.
+            if (framebuffer->formsRenderingFeedbackLoopWith(context))
+            {
+                return kFeedbackLoop;
+            }
+
+            // Detect that the vertex shader input types match the attribute types
+            if (!ValidateVertexShaderAttributeTypeMatch(context))
+            {
+                return kVertexShaderTypeMismatch;
+            }
+
+            if (!context->getState().getRasterizerState().rasterizerDiscard &&
+                !context->getState().allActiveDrawBufferChannelsMasked())
+            {
+                // Detect that if there's active color buffer without fragment shader output
+                if (!ValidateFragmentShaderColorBufferMaskMatch(context))
+                {
+                    return kDrawBufferMaskMismatch;
+                }
+
+                // Detect that the color buffer types match the fragment shader output types
+                if (!ValidateFragmentShaderColorBufferTypeMatch(context))
+                {
+                    return kDrawBufferTypeMismatch;
+                }
+            }
+
+            const VertexArray *vao = context->getState().getVertexArray();
+            if (vao->hasTransformFeedbackBindingConflict(context))
+            {
+                return kVertexBufferBoundForTransformFeedback;
+            }
+
+            // Validate that we are rendering with a linked program.
+            if (!program->isLinked())
+            {
+                return kProgramNotLinked;
+            }
+        }
+    }
+
+    return nullptr;
+}
+
+const char *ValidateProgramPipeline(const Context *context)
+{
+    const State &state = context->getState();
+    // If we are running GLES1, there is no current program.
+    if (context->getClientVersion() >= Version(2, 0))
+    {
+        ProgramPipeline *programPipeline = state.getProgramPipeline();
+        if (programPipeline)
+        {
+            const char *errorMsg = ValidateProgramPipelineAttachedPrograms(programPipeline);
+            if (errorMsg)
+            {
+                return errorMsg;
+            }
+        }
+    }
+    return nullptr;
+}
+
+void RecordDrawModeError(const Context *context, angle::EntryPoint entryPoint, PrimitiveMode mode)
+{
+    const State &state                      = context->getState();
+    TransformFeedback *curTransformFeedback = state.getCurrentTransformFeedback();
+    if (state.isTransformFeedbackActiveUnpaused())
+    {
+        if (!ValidateTransformFeedbackPrimitiveMode(context, entryPoint,
+                                                    curTransformFeedback->getPrimitiveMode(), mode))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kInvalidDrawModeTransformFeedback);
+            return;
+        }
+    }
+
+    const Extensions &extensions = context->getExtensions();
+
+    switch (mode)
+    {
+        case PrimitiveMode::Points:
+        case PrimitiveMode::Lines:
+        case PrimitiveMode::LineLoop:
+        case PrimitiveMode::LineStrip:
+        case PrimitiveMode::Triangles:
+        case PrimitiveMode::TriangleStrip:
+        case PrimitiveMode::TriangleFan:
+            break;
+
+        case PrimitiveMode::LinesAdjacency:
+        case PrimitiveMode::LineStripAdjacency:
+        case PrimitiveMode::TrianglesAdjacency:
+        case PrimitiveMode::TriangleStripAdjacency:
+            if (!extensions.geometryShaderAny() && context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kGeometryShaderExtensionNotEnabled);
+                return;
+            }
+            break;
+
+        case PrimitiveMode::Patches:
+            if (!extensions.tessellationShaderEXT && context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kTessellationShaderExtensionNotEnabled);
+                return;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDrawMode);
+            return;
+    }
+
+    // If we are running GLES1, there is no current program.
+    if (context->getClientVersion() >= Version(2, 0))
+    {
+        const ProgramExecutable *executable = state.getProgramExecutable();
+        ASSERT(executable);
+
+        // Do geometry shader specific validations
+        if (executable->hasLinkedShaderStage(ShaderType::Geometry))
+        {
+            if (!IsCompatibleDrawModeWithGeometryShader(
+                    mode, executable->getGeometryShaderInputPrimitiveType()))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kIncompatibleDrawModeAgainstGeometryShader);
+                return;
+            }
+        }
+
+        if (executable->hasLinkedTessellationShader() && mode != PrimitiveMode::Patches)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kIncompatibleDrawModeWithTessellationShader);
+            return;
+        }
+
+        if (!executable->hasLinkedTessellationShader() && mode == PrimitiveMode::Patches)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kIncompatibleDrawModeWithoutTessellationShader);
+            return;
+        }
+    }
+
+    // An error should be recorded.
+    UNREACHABLE();
+}
+
+bool ValidateDrawArraysInstancedANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      PrimitiveMode mode,
+                                      GLint first,
+                                      GLsizei count,
+                                      GLsizei primcount)
+{
+    if (!context->getExtensions().instancedArraysANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateDrawArraysInstancedBase(context, entryPoint, mode, first, count, primcount))
+    {
+        return false;
+    }
+
+    return ValidateDrawInstancedANGLE(context, entryPoint);
+}
+
+bool ValidateDrawArraysInstancedEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode mode,
+                                    GLint first,
+                                    GLsizei count,
+                                    GLsizei primcount)
+{
+    if (!context->getExtensions().instancedArraysEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateDrawArraysInstancedBase(context, entryPoint, mode, first, count, primcount))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+const char *ValidateDrawElementsStates(const Context *context)
+{
+    const State &state = context->getState();
+
+    if (context->getStateCache().isTransformFeedbackActiveUnpaused())
+    {
+        // EXT_geometry_shader allows transform feedback to work with all draw commands.
+        // [EXT_geometry_shader] Section 12.1, "Transform Feedback"
+        if (!context->getExtensions().geometryShaderAny() && context->getClientVersion() < ES_3_2)
+        {
+            // It is an invalid operation to call DrawElements, DrawRangeElements or
+            // DrawElementsInstanced while transform feedback is active, (3.0.2, section 2.14, pg
+            // 86)
+            return kUnsupportedDrawModeForTransformFeedback;
+        }
+    }
+
+    const VertexArray *vao     = state.getVertexArray();
+    Buffer *elementArrayBuffer = vao->getElementArrayBuffer();
+
+    if (elementArrayBuffer)
+    {
+        if (elementArrayBuffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+        {
+            return kElementArrayBufferBoundForTransformFeedback;
+        }
+        if (elementArrayBuffer->isMapped() &&
+            (!elementArrayBuffer->isImmutable() ||
+             (elementArrayBuffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) == 0))
+        {
+            return kBufferMapped;
+        }
+    }
+    else
+    {
+        // [WebGL 1.0] Section 6.2 No Client Side Arrays
+        // If an indexed draw command (drawElements) is called and no WebGLBuffer is bound to
+        // the ELEMENT_ARRAY_BUFFER binding point, an INVALID_OPERATION error is generated.
+        if (!context->getState().areClientArraysEnabled() || context->isWebGL())
+        {
+            return kMustHaveElementArrayBinding;
+        }
+    }
+
+    return nullptr;
+}
+
+bool ValidateDrawElementsInstancedANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        PrimitiveMode mode,
+                                        GLsizei count,
+                                        DrawElementsType type,
+                                        const void *indices,
+                                        GLsizei primcount)
+{
+    if (!context->getExtensions().instancedArraysANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                           primcount))
+    {
+        return false;
+    }
+
+    return ValidateDrawInstancedANGLE(context, entryPoint);
+}
+
+bool ValidateDrawElementsInstancedEXT(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      PrimitiveMode mode,
+                                      GLsizei count,
+                                      DrawElementsType type,
+                                      const void *indices,
+                                      GLsizei primcount)
+{
+    if (!context->getExtensions().instancedArraysEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                           primcount))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetUniformBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            ShaderProgramID program,
+                            UniformLocation location)
+{
+    if (program.value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kProgramDoesNotExist);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (!programObject || !programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    if (!programObject->isValidUniformLocation(location))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidUniformLocation);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSizedGetUniform(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID program,
+                             UniformLocation location,
+                             GLsizei bufSize,
+                             GLsizei *length)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (!ValidateGetUniformBase(context, entryPoint, program, location))
+    {
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNegativeBufferSize);
+        return false;
+    }
+
+    Program *programObject = context->getProgramResolveLink(program);
+    ASSERT(programObject);
+
+    // sized queries -- ensure the provided buffer is large enough
+    const LinkedUniform &uniform = programObject->getUniformByLocation(location);
+    size_t requiredBytes         = VariableExternalSize(uniform.type);
+    if (static_cast<size_t>(bufSize) < requiredBytes)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientBufferSize);
+        return false;
+    }
+
+    if (length)
+    {
+        *length = VariableComponentCount(uniform.type);
+    }
+    return true;
+}
+
+bool ValidateGetnUniformfvEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLsizei bufSize,
+                              const GLfloat *params)
+{
+    return ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, nullptr);
+}
+
+bool ValidateGetnUniformfvRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLfloat *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetnUniformivEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLsizei bufSize,
+                              const GLint *params)
+{
+    return ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, nullptr);
+}
+
+bool ValidateGetnUniformivRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetnUniformuivRobustANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei bufSize,
+                                       const GLsizei *length,
+                                       const GLuint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetUniformfvRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformLocation location,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLfloat *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    // bufSize is validated in ValidateSizedGetUniform
+    if (!ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, &writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateGetUniformivRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformLocation location,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    // bufSize is validated in ValidateSizedGetUniform
+    if (!ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, &writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateGetUniformuivRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLuint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    // bufSize is validated in ValidateSizedGetUniform
+    if (!ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, &writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateDiscardFramebufferBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLsizei numAttachments,
+                                    const GLenum *attachments,
+                                    bool defaultFramebuffer)
+{
+    if (numAttachments < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeAttachments);
+        return false;
+    }
+
+    for (GLsizei i = 0; i < numAttachments; ++i)
+    {
+        if (attachments[i] >= GL_COLOR_ATTACHMENT0 && attachments[i] <= GL_COLOR_ATTACHMENT31)
+        {
+            if (defaultFramebuffer)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kDefaultFramebufferInvalidAttachment);
+                return false;
+            }
+
+            if (attachments[i] >=
+                GL_COLOR_ATTACHMENT0 + static_cast<GLuint>(context->getCaps().maxColorAttachments))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kExceedsMaxColorAttachments);
+                return false;
+            }
+        }
+        else
+        {
+            switch (attachments[i])
+            {
+                case GL_DEPTH_ATTACHMENT:
+                case GL_STENCIL_ATTACHMENT:
+                case GL_DEPTH_STENCIL_ATTACHMENT:
+                    if (defaultFramebuffer)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM,
+                                                 kDefaultFramebufferInvalidAttachment);
+                        return false;
+                    }
+                    break;
+                case GL_COLOR:
+                case GL_DEPTH:
+                case GL_STENCIL:
+                    if (!defaultFramebuffer)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM,
+                                                 kDefaultFramebufferAttachmentOnUserFBO);
+                        return false;
+                    }
+                    break;
+                default:
+                    context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+                    return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+bool ValidateInsertEventMarkerEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLsizei length,
+                                  const char *marker)
+{
+    if (!context->getExtensions().debugMarkerEXT)
+    {
+        // The debug marker calls should not set error state
+        // However, it seems reasonable to set an error state if the extension is not enabled
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    // Note that debug marker calls must not set error state
+    if (length < 0)
+    {
+        return false;
+    }
+
+    if (marker == nullptr)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidatePushGroupMarkerEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei length,
+                                const char *marker)
+{
+    if (!context->getExtensions().debugMarkerEXT)
+    {
+        // The debug marker calls should not set error state
+        // However, it seems reasonable to set an error state if the extension is not enabled
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    // Note that debug marker calls must not set error state
+    if (length < 0)
+    {
+        return false;
+    }
+
+    if (length > 0 && marker == nullptr)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateEGLImageObject(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType type,
+                            GLeglImageOES image)
+{
+    egl::Image *imageObject = static_cast<egl::Image *>(image);
+
+    ASSERT(context->getDisplay());
+    if (!context->getDisplay()->isValidImage(imageObject))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidEGLImage);
+        return false;
+    }
+
+    if (imageObject->getSamples() > 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kEGLImageCannotCreate2DMultisampled);
+        return false;
+    }
+
+    if (!imageObject->isTexturable(context))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kEGLImageTextureFormatNotSupported);
+        return false;
+    }
+
+    // Validate source egl image and target texture are compatible
+    size_t depth = static_cast<size_t>(imageObject->getExtents().depth);
+    if (imageObject->isYUV() && type != TextureType::External)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 "Image is YUV, target must be TEXTURE_EXTERNAL_OES");
+        return false;
+    }
+
+    if (depth > 1 && type != TextureType::_2DArray && type != TextureType::CubeMap &&
+        type != TextureType::CubeMapArray && type != TextureType::_3D)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kEGLImageTextureTargetMismatch);
+        return false;
+    }
+
+    if (imageObject->isCubeMap() && type != TextureType::CubeMapArray &&
+        (type != TextureType::CubeMap || depth > gl::kCubeFaceCount))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kEGLImageTextureTargetMismatch);
+        return false;
+    }
+
+    if (imageObject->getLevelCount() > 1 && type == TextureType::External)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kEGLImageTextureTargetMismatch);
+        return false;
+    }
+
+    // 3d EGLImages are currently not supported
+    if (type == TextureType::_3D)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kEGLImageTextureTargetMismatch);
+        return false;
+    }
+
+    if (imageObject->hasProtectedContent() && !context->getState().hasProtectedContent())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 "Mismatch between Image and Context Protected Content state");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateEGLImageTargetTexture2DOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType type,
+                                        GLeglImageOES image)
+{
+    if (!context->getExtensions().EGLImageOES && !context->getExtensions().EGLImageExternalOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (type)
+    {
+        case TextureType::_2D:
+            if (!context->getExtensions().EGLImageOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                          ToGLenum(type));
+            }
+            break;
+
+        case TextureType::_2DArray:
+            if (!context->getExtensions().EGLImageArrayEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                          ToGLenum(type));
+            }
+            break;
+
+        case TextureType::External:
+            if (!context->getExtensions().EGLImageExternalOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                          ToGLenum(type));
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+            return false;
+    }
+
+    return ValidateEGLImageObject(context, entryPoint, type, image);
+}
+
+bool ValidateEGLImageTargetRenderbufferStorageOES(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum target,
+                                                  GLeglImageOES image)
+{
+    if (!context->getExtensions().EGLImageOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (target)
+    {
+        case GL_RENDERBUFFER:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferTarget);
+            return false;
+    }
+
+    egl::Image *imageObject = static_cast<egl::Image *>(image);
+
+    ASSERT(context->getDisplay());
+    if (!context->getDisplay()->isValidImage(imageObject))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidEGLImage);
+        return false;
+    }
+
+    if (!imageObject->isRenderable(context))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kEGLImageRenderbufferFormatNotSupported);
+        return false;
+    }
+
+    if (imageObject->hasProtectedContent() != context->getState().hasProtectedContent())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 "Mismatch between Image and Context Protected Content state");
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramBinaryBase(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               GLenum binaryFormat,
+                               const void *binary,
+                               GLint length)
+{
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (programObject == nullptr)
+    {
+        return false;
+    }
+
+    const std::vector<GLenum> &programBinaryFormats = context->getCaps().programBinaryFormats;
+    if (std::find(programBinaryFormats.begin(), programBinaryFormats.end(), binaryFormat) ==
+        programBinaryFormats.end())
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProgramBinaryFormat);
+        return false;
+    }
+
+    if (context->hasActiveTransformFeedback(program))
+    {
+        // ES 3.0.4 section 2.15 page 91
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackProgramBinary);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetProgramBinaryBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLenum *binaryFormat,
+                                  const void *binary)
+{
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (programObject == nullptr)
+    {
+        return false;
+    }
+
+    if (!programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    if (context->getCaps().programBinaryFormats.empty())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNoProgramBinaryFormats);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawBuffersBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLsizei n,
+                             const GLenum *bufs)
+{
+    // INVALID_VALUE is generated if n is negative or greater than value of MAX_DRAW_BUFFERS
+    if (n < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+    if (n > context->getCaps().maxDrawBuffers)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+        return false;
+    }
+
+    ASSERT(context->getState().getDrawFramebuffer());
+    FramebufferID frameBufferId = context->getState().getDrawFramebuffer()->id();
+    GLuint maxColorAttachment   = GL_COLOR_ATTACHMENT0_EXT + context->getCaps().maxColorAttachments;
+
+    // This should come first before the check for the default frame buffer
+    // because when we switch to ES3.1+, invalid enums will return INVALID_ENUM
+    // rather than INVALID_OPERATION
+    for (int colorAttachment = 0; colorAttachment < n; colorAttachment++)
+    {
+        const GLenum attachment = GL_COLOR_ATTACHMENT0_EXT + colorAttachment;
+
+        if (bufs[colorAttachment] != GL_NONE && bufs[colorAttachment] != GL_BACK &&
+            (bufs[colorAttachment] < GL_COLOR_ATTACHMENT0 ||
+             bufs[colorAttachment] > GL_COLOR_ATTACHMENT31))
+        {
+            // Value in bufs is not NONE, BACK, or GL_COLOR_ATTACHMENTi
+            // The 3.0.4 spec says to generate GL_INVALID_OPERATION here, but this
+            // was changed to GL_INVALID_ENUM in 3.1, which dEQP also expects.
+            // 3.1 is still a bit ambiguous about the error, but future specs are
+            // expected to clarify that GL_INVALID_ENUM is the correct error.
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDrawBuffer);
+            return false;
+        }
+        else if (bufs[colorAttachment] >= maxColorAttachment)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kExceedsMaxColorAttachments);
+            return false;
+        }
+        else if (bufs[colorAttachment] != GL_NONE && bufs[colorAttachment] != attachment &&
+                 frameBufferId.value != 0)
+        {
+            // INVALID_OPERATION-GL is bound to buffer and ith argument
+            // is not COLOR_ATTACHMENTi or NONE
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidDrawBufferValue);
+            return false;
+        }
+    }
+
+    // INVALID_OPERATION is generated if GL is bound to the default framebuffer
+    // and n is not 1 or bufs is bound to value other than BACK and NONE
+    if (frameBufferId.value == 0)
+    {
+        if (n != 1)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kInvalidDrawBufferCountForDefault);
+            return false;
+        }
+
+        if (bufs[0] != GL_NONE && bufs[0] != GL_BACK)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kDefaultFramebufferInvalidDrawBuffer);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetBufferPointervBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   BufferBinding target,
+                                   GLenum pname,
+                                   GLsizei *length,
+                                   void *const *params)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_BUFFER_MAP_POINTER:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    // GLES 3.0 section 2.10.1: "Attempts to attempts to modify or query buffer object state for a
+    // target bound to zero generate an INVALID_OPERATION error."
+    // GLES 3.1 section 6.6 explicitly specifies this error.
+    if (context->getState().getTargetBuffer(target) == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferPointerNotAvailable);
+        return false;
+    }
+
+    if (length)
+    {
+        *length = 1;
+    }
+
+    return true;
+}
+
+bool ValidateUnmapBufferBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             BufferBinding target)
+{
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    Buffer *buffer = context->getState().getTargetBuffer(target);
+
+    if (buffer == nullptr || !buffer->isMapped())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotMapped);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateMapBufferRangeBase(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                BufferBinding target,
+                                GLintptr offset,
+                                GLsizeiptr length,
+                                GLbitfield access)
+{
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    if (offset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (length < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLength);
+        return false;
+    }
+
+    Buffer *buffer = context->getState().getTargetBuffer(target);
+
+    if (!buffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotMappable);
+        return false;
+    }
+
+    // Check for buffer overflow
+    CheckedNumeric<size_t> checkedOffset(offset);
+    auto checkedSize = checkedOffset + length;
+
+    if (!checkedSize.IsValid() || checkedSize.ValueOrDie() > static_cast<size_t>(buffer->getSize()))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kMapOutOfRange);
+        return false;
+    }
+
+    // Check for invalid bits in the mask
+    constexpr GLbitfield kAllAccessBits =
+        GL_MAP_READ_BIT | GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_RANGE_BIT |
+        GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_FLUSH_EXPLICIT_BIT | GL_MAP_UNSYNCHRONIZED_BIT;
+
+    if (buffer->isImmutable())
+    {
+        // GL_EXT_buffer_storage's additions to glMapBufferRange
+        constexpr GLbitfield kBufferStorageAccessBits =
+            kAllAccessBits | GL_MAP_PERSISTENT_BIT_EXT | GL_MAP_COHERENT_BIT_EXT;
+
+        if ((access & ~kBufferStorageAccessBits) != 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidAccessBits);
+            return false;
+        }
+
+        // It is invalid if any of bufferStorageMatchedAccessBits bits are included in access,
+        // but the same bits are not included in the buffer's storage flags
+        constexpr GLbitfield kBufferStorageMatchedAccessBits = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT |
+                                                               GL_MAP_PERSISTENT_BIT_EXT |
+                                                               GL_MAP_COHERENT_BIT_EXT;
+        GLbitfield accessFlags = access & kBufferStorageMatchedAccessBits;
+        if ((accessFlags & buffer->getStorageExtUsageFlags()) != accessFlags)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAccessBits);
+            return false;
+        }
+    }
+    else if ((access & ~kAllAccessBits) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidAccessBits);
+        return false;
+    }
+
+    if (length == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kLengthZero);
+        return false;
+    }
+
+    if (buffer->isMapped())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferAlreadyMapped);
+        return false;
+    }
+
+    // Check for invalid bit combinations
+    if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAccessBitsReadWrite);
+        return false;
+    }
+
+    GLbitfield writeOnlyBits =
+        GL_MAP_INVALIDATE_RANGE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_UNSYNCHRONIZED_BIT;
+
+    if ((access & GL_MAP_READ_BIT) != 0 && (access & writeOnlyBits) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAccessBitsRead);
+        return false;
+    }
+
+    if ((access & GL_MAP_WRITE_BIT) == 0 && (access & GL_MAP_FLUSH_EXPLICIT_BIT) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAccessBitsFlush);
+        return false;
+    }
+
+    return ValidateMapBufferBase(context, entryPoint, target);
+}
+
+bool ValidateFlushMappedBufferRangeBase(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        BufferBinding target,
+                                        GLintptr offset,
+                                        GLsizeiptr length)
+{
+    if (offset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (length < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLength);
+        return false;
+    }
+
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    Buffer *buffer = context->getState().getTargetBuffer(target);
+
+    if (buffer == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFlushZero);
+        return false;
+    }
+
+    if (!buffer->isMapped() || (buffer->getAccessFlags() & GL_MAP_FLUSH_EXPLICIT_BIT) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFlushTarget);
+        return false;
+    }
+
+    // Check for buffer overflow
+    CheckedNumeric<size_t> checkedOffset(offset);
+    auto checkedSize = checkedOffset + length;
+
+    if (!checkedSize.IsValid() ||
+        checkedSize.ValueOrDie() > static_cast<size_t>(buffer->getMapLength()))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFlushOutOfRange);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGenOrDelete(const Context *context, angle::EntryPoint entryPoint, GLint n)
+{
+    if (n < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateRobustEntryPoint(const Context *context, angle::EntryPoint entryPoint, GLsizei bufSize)
+{
+    if (!context->getExtensions().robustClientMemoryANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateRobustBufferSize(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei bufSize,
+                              GLsizei numParams)
+{
+    if (bufSize < numParams)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientParams);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetFramebufferAttachmentParameterivBase(const Context *context,
+                                                     angle::EntryPoint entryPoint,
+                                                     GLenum target,
+                                                     GLenum attachment,
+                                                     GLenum pname,
+                                                     GLsizei *numParams)
+{
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    int clientVersion = context->getClientMajorVersion();
+
+    switch (pname)
+    {
+        case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
+        case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE:
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR:
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR:
+            if (clientVersion < 3 ||
+                !(context->getExtensions().multiviewOVR || context->getExtensions().multiview2OVR))
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT:
+            if (!context->getExtensions().multisampledRenderToTextureEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
+            if (clientVersion < 3 && !context->getExtensions().sRGBEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+        case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+        case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+        case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+        case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+        case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+        case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
+        case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER:
+            if (clientVersion < 3)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kES3Required);
+                return false;
+            }
+            break;
+
+        case GL_FRAMEBUFFER_ATTACHMENT_LAYERED_EXT:
+            if (!context->getExtensions().geometryShaderAny() &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kGeometryShaderExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    // Determine if the attachment is a valid enum
+    switch (attachment)
+    {
+        case GL_BACK:
+        case GL_DEPTH:
+        case GL_STENCIL:
+            if (clientVersion < 3)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+                return false;
+            }
+            break;
+
+        case GL_DEPTH_STENCIL_ATTACHMENT:
+            if (clientVersion < 3 && !context->isWebGL1())
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+                return false;
+            }
+            break;
+
+        case GL_COLOR_ATTACHMENT0:
+        case GL_DEPTH_ATTACHMENT:
+        case GL_STENCIL_ATTACHMENT:
+            break;
+
+        default:
+            if ((clientVersion < 3 && !context->getExtensions().drawBuffersEXT) ||
+                attachment < GL_COLOR_ATTACHMENT0_EXT ||
+                (attachment - GL_COLOR_ATTACHMENT0_EXT) >=
+                    static_cast<GLuint>(context->getCaps().maxColorAttachments))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+                return false;
+            }
+            break;
+    }
+
+    const Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (framebuffer->isDefault())
+    {
+        if (clientVersion < 3)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultFramebufferTarget);
+            return false;
+        }
+
+        switch (attachment)
+        {
+            case GL_BACK:
+            case GL_DEPTH:
+            case GL_STENCIL:
+                break;
+
+            default:
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAttachment);
+                return false;
+        }
+    }
+    else
+    {
+        if (attachment >= GL_COLOR_ATTACHMENT0_EXT && attachment <= GL_COLOR_ATTACHMENT15_EXT)
+        {
+            // Valid attachment query
+        }
+        else
+        {
+            switch (attachment)
+            {
+                case GL_DEPTH_ATTACHMENT:
+                case GL_STENCIL_ATTACHMENT:
+                    break;
+
+                case GL_DEPTH_STENCIL_ATTACHMENT:
+                    if (!framebuffer->hasValidDepthStencil() && !context->isWebGL1())
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kInvalidAttachment);
+                        return false;
+                    }
+                    break;
+
+                default:
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAttachment);
+                    return false;
+            }
+        }
+    }
+
+    const FramebufferAttachment *attachmentObject = framebuffer->getAttachment(context, attachment);
+    if (attachmentObject)
+    {
+        ASSERT(attachmentObject->type() == GL_RENDERBUFFER ||
+               attachmentObject->type() == GL_TEXTURE ||
+               attachmentObject->type() == GL_FRAMEBUFFER_DEFAULT);
+
+        switch (pname)
+        {
+            case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+                if (attachmentObject->type() != GL_RENDERBUFFER &&
+                    attachmentObject->type() != GL_TEXTURE)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kFramebufferIncompleteAttachment);
+                    return false;
+                }
+                break;
+
+            case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
+                if (attachmentObject->type() != GL_TEXTURE)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kFramebufferIncompleteAttachment);
+                    return false;
+                }
+                break;
+
+            case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE:
+                if (attachmentObject->type() != GL_TEXTURE)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kFramebufferIncompleteAttachment);
+                    return false;
+                }
+                break;
+
+            case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
+                if (attachment == GL_DEPTH_STENCIL_ATTACHMENT)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAttachment);
+                    return false;
+                }
+                break;
+
+            case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER:
+                if (attachmentObject->type() != GL_TEXTURE)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kFramebufferIncompleteAttachment);
+                    return false;
+                }
+                break;
+
+            default:
+                break;
+        }
+    }
+    else
+    {
+        // ES 2.0.25 spec pg 127 states that if the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
+        // is NONE, then querying any other pname will generate INVALID_ENUM.
+
+        // ES 3.0.2 spec pg 235 states that if the attachment type is none,
+        // GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero and be an
+        // INVALID_OPERATION for all other pnames
+
+        switch (pname)
+        {
+            case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
+                break;
+
+            case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
+                if (clientVersion < 3)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kInvalidFramebufferAttachmentParameter);
+                    return false;
+                }
+                break;
+
+            default:
+                if (clientVersion < 3)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kInvalidFramebufferAttachmentParameter);
+                    return false;
+                }
+                else
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kInvalidFramebufferAttachmentParameter);
+                    return false;
+                }
+        }
+    }
+
+    if (numParams)
+    {
+        *numParams = 1;
+    }
+
+    return true;
+}
+
+bool ValidateGetFramebufferParameterivBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLenum target,
+                                           GLenum pname,
+                                           const GLint *params)
+{
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_FRAMEBUFFER_DEFAULT_WIDTH:
+        case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
+        case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
+        case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
+            break;
+        case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT:
+            if (!context->getExtensions().geometryShaderAny() &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kGeometryShaderExtensionNotEnabled);
+                return false;
+            }
+            break;
+        case GL_FRAMEBUFFER_FLIP_Y_MESA:
+            if (!context->getExtensions().framebufferFlipYMESA)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+                return false;
+            }
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    const Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target);
+    ASSERT(framebuffer);
+
+    if (framebuffer->isDefault())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultFramebuffer);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateGetFramebufferAttachmentParameterivRobustANGLE(const Context *context,
+                                                            angle::EntryPoint entryPoint,
+                                                            GLenum target,
+                                                            GLenum attachment,
+                                                            GLenum pname,
+                                                            GLsizei bufSize,
+                                                            const GLsizei *length,
+                                                            const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+    if (!ValidateGetFramebufferAttachmentParameterivBase(context, entryPoint, target, attachment,
+                                                         pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetBufferParameterivRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             BufferBinding target,
+                                             GLenum pname,
+                                             GLsizei bufSize,
+                                             const GLsizei *length,
+                                             const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetBufferParameterBase(context, entryPoint, target, pname, false, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+    return true;
+}
+
+bool ValidateGetBufferParameteri64vRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               BufferBinding target,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLint64 *params)
+{
+    GLsizei numParams = 0;
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    if (!ValidateGetBufferParameterBase(context, entryPoint, target, pname, false, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetProgramivBase(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              GLenum pname,
+                              GLsizei *numParams)
+{
+    // Currently, all GetProgramiv queries return 1 parameter
+    if (numParams)
+    {
+        *numParams = 1;
+    }
+
+    if (context->isContextLost())
+    {
+        context->validationError(entryPoint, GL_CONTEXT_LOST, kContextLost);
+
+        if (context->getExtensions().parallelShaderCompileKHR && pname == GL_COMPLETION_STATUS_KHR)
+        {
+            // Generate an error but still return true, the context still needs to return a
+            // value in this case.
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    // Special case for GL_COMPLETION_STATUS_KHR: don't resolve the link. Otherwise resolve it now.
+    Program *programObject = (pname == GL_COMPLETION_STATUS_KHR)
+                                 ? GetValidProgramNoResolve(context, entryPoint, program)
+                                 : GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_DELETE_STATUS:
+        case GL_LINK_STATUS:
+        case GL_VALIDATE_STATUS:
+        case GL_INFO_LOG_LENGTH:
+        case GL_ATTACHED_SHADERS:
+        case GL_ACTIVE_ATTRIBUTES:
+        case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
+        case GL_ACTIVE_UNIFORMS:
+        case GL_ACTIVE_UNIFORM_MAX_LENGTH:
+            break;
+
+        case GL_PROGRAM_BINARY_LENGTH:
+            if (context->getClientMajorVersion() < 3 &&
+                !context->getExtensions().getProgramBinaryOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_ACTIVE_UNIFORM_BLOCKS:
+        case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:
+        case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
+        case GL_TRANSFORM_FEEDBACK_VARYINGS:
+        case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
+        case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
+            if (context->getClientMajorVersion() < 3)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES30);
+                return false;
+            }
+            break;
+
+        case GL_PROGRAM_SEPARABLE:
+        case GL_ACTIVE_ATOMIC_COUNTER_BUFFERS:
+            if (context->getClientVersion() < Version(3, 1))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            break;
+
+        case GL_COMPUTE_WORK_GROUP_SIZE:
+            if (context->getClientVersion() < Version(3, 1))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+
+            // [OpenGL ES 3.1] Chapter 7.12 Page 122
+            // An INVALID_OPERATION error is generated if COMPUTE_WORK_GROUP_SIZE is queried for a
+            // program which has not been linked successfully, or which does not contain objects to
+            // form a compute shader.
+            if (!programObject->isLinked())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+                return false;
+            }
+            if (!programObject->getExecutable().hasLinkedShaderStage(ShaderType::Compute))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kNoActiveComputeShaderStage);
+                return false;
+            }
+            break;
+
+        case GL_GEOMETRY_LINKED_INPUT_TYPE_EXT:
+        case GL_GEOMETRY_LINKED_OUTPUT_TYPE_EXT:
+        case GL_GEOMETRY_LINKED_VERTICES_OUT_EXT:
+        case GL_GEOMETRY_SHADER_INVOCATIONS_EXT:
+            if (!context->getExtensions().geometryShaderAny() &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kGeometryShaderExtensionNotEnabled);
+                return false;
+            }
+
+            // [EXT_geometry_shader] Chapter 7.12
+            // An INVALID_OPERATION error is generated if GEOMETRY_LINKED_VERTICES_OUT_EXT,
+            // GEOMETRY_LINKED_INPUT_TYPE_EXT, GEOMETRY_LINKED_OUTPUT_TYPE_EXT, or
+            // GEOMETRY_SHADER_INVOCATIONS_EXT are queried for a program which has not been linked
+            // successfully, or which does not contain objects to form a geometry shader.
+            if (!programObject->isLinked())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+                return false;
+            }
+            if (!programObject->getExecutable().hasLinkedShaderStage(ShaderType::Geometry))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kNoActiveGeometryShaderStage);
+                return false;
+            }
+            break;
+
+        case GL_COMPLETION_STATUS_KHR:
+            if (!context->getExtensions().parallelShaderCompileKHR)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+        case GL_TESS_CONTROL_OUTPUT_VERTICES_EXT:
+        case GL_TESS_GEN_MODE_EXT:
+        case GL_TESS_GEN_SPACING_EXT:
+        case GL_TESS_GEN_VERTEX_ORDER_EXT:
+        case GL_TESS_GEN_POINT_MODE_EXT:
+            if (!context->getExtensions().tessellationShaderEXT &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kTessellationShaderExtensionNotEnabled);
+                return false;
+            }
+            if (!programObject->isLinked())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+                return false;
+            }
+            break;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetProgramivRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     GLenum pname,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetProgramivBase(context, entryPoint, program, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetRenderbufferParameterivRobustANGLE(const Context *context,
+                                                   angle::EntryPoint entryPoint,
+                                                   GLenum target,
+                                                   GLenum pname,
+                                                   GLsizei bufSize,
+                                                   const GLsizei *length,
+                                                   const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetRenderbufferParameterivBase(context, entryPoint, target, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetShaderivRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID shader,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetShaderivBase(context, entryPoint, shader, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetTexParameterfvRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType target,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLfloat *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetTexParameterBase(context, entryPoint, target, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetTexParameterivRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType target,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLint *params)
+{
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+    GLsizei numParams = 0;
+    if (!ValidateGetTexParameterBase(context, entryPoint, target, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+    return true;
+}
+
+bool ValidateGetTexParameterIivRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType target,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           const GLint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetTexParameterIuivRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            TextureType target,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLuint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateTexParameterfvRobustANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType target,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       const GLfloat *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    return ValidateTexParameterBase(context, entryPoint, target, pname, bufSize, true, params);
+}
+
+bool ValidateTexParameterivRobustANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType target,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    return ValidateTexParameterBase(context, entryPoint, target, pname, bufSize, true, params);
+}
+
+bool ValidateTexParameterIivRobustANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType target,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        const GLint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateTexParameterIuivRobustANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType target,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         const GLuint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetSamplerParameterfvRobustANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              SamplerID sampler,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              const GLsizei *length,
+                                              const GLfloat *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+    return true;
+}
+
+bool ValidateGetSamplerParameterivRobustANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              SamplerID sampler,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              const GLsizei *length,
+                                              const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+    return true;
+}
+
+bool ValidateGetSamplerParameterIivRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               SamplerID sampler,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetSamplerParameterIuivRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                SamplerID sampler,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                const GLsizei *length,
+                                                const GLuint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateSamplerParameterfvRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           SamplerID sampler,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLfloat *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, bufSize, true, params);
+}
+
+bool ValidateSamplerParameterivRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           SamplerID sampler,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, bufSize, true, params);
+}
+
+bool ValidateSamplerParameterIivRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            SamplerID sampler,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLint *param)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateSamplerParameterIuivRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             SamplerID sampler,
+                                             GLenum pname,
+                                             GLsizei bufSize,
+                                             const GLuint *param)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetVertexAttribfvRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint index,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLfloat *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    if (!ValidateGetVertexAttribBase(context, entryPoint, index, pname, &writeLength, false, false))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+    return true;
+}
+
+bool ValidateGetVertexAttribivRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint index,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    if (!ValidateGetVertexAttribBase(context, entryPoint, index, pname, &writeLength, false, false))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateGetVertexAttribPointervRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                GLuint index,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                const GLsizei *length,
+                                                void *const *pointer)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    if (!ValidateGetVertexAttribBase(context, entryPoint, index, pname, &writeLength, true, false))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateGetVertexAttribIivRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLuint index,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    if (!ValidateGetVertexAttribBase(context, entryPoint, index, pname, &writeLength, false, true))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateGetVertexAttribIuivRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLuint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    if (!ValidateGetVertexAttribBase(context, entryPoint, index, pname, &writeLength, false, true))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateGetActiveUniformBlockivRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                ShaderProgramID program,
+                                                UniformBlockIndex uniformBlockIndex,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                const GLsizei *length,
+                                                const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei writeLength = 0;
+
+    if (!ValidateGetActiveUniformBlockivBase(context, entryPoint, program, uniformBlockIndex, pname,
+                                             &writeLength))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, writeLength))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, writeLength);
+
+    return true;
+}
+
+bool ValidateGetInternalformativRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLenum internalformat,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLint *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateGetInternalFormativBase(context, entryPoint, target, internalformat, pname,
+                                         bufSize, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+// Perform validation from WebGL 2 section 5.10 "Invalid Clears":
+// In the WebGL 2 API, trying to perform a clear when there is a mismatch between the type of the
+// specified clear value and the type of a buffer that is being cleared generates an
+// INVALID_OPERATION error instead of producing undefined results
+bool ValidateWebGLFramebufferAttachmentClearType(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 GLint drawbuffer,
+                                                 const GLenum *validComponentTypes,
+                                                 size_t validComponentTypeCount)
+{
+    const FramebufferAttachment *attachment =
+        context->getState().getDrawFramebuffer()->getDrawBuffer(drawbuffer);
+    if (attachment)
+    {
+        GLenum componentType = attachment->getFormat().info->componentType;
+        const GLenum *end    = validComponentTypes + validComponentTypeCount;
+        if (std::find(validComponentTypes, end, componentType) == end)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kNoDefinedClearConversion);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateRobustCompressedTexImageBase(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLsizei imageSize,
+                                          GLsizei dataSize)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, dataSize))
+    {
+        return false;
+    }
+
+    Buffer *pixelUnpackBuffer = context->getState().getTargetBuffer(BufferBinding::PixelUnpack);
+    if (pixelUnpackBuffer == nullptr)
+    {
+        if (dataSize < imageSize)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kCompressedDataSizeTooSmall);
+        }
+    }
+    return true;
+}
+
+bool ValidateGetBufferParameterBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferBinding target,
+                                    GLenum pname,
+                                    bool pointerVersion,
+                                    GLsizei *numParams)
+{
+    if (numParams)
+    {
+        *numParams = 0;
+    }
+
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    const Buffer *buffer = context->getState().getTargetBuffer(target);
+    if (!buffer)
+    {
+        // A null buffer means that "0" is bound to the requested buffer target
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound);
+        return false;
+    }
+
+    const Extensions &extensions = context->getExtensions();
+
+    switch (pname)
+    {
+        case GL_BUFFER_USAGE:
+        case GL_BUFFER_SIZE:
+            break;
+
+        case GL_BUFFER_ACCESS_OES:
+            if (!extensions.mapbufferOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_BUFFER_MAPPED:
+            static_assert(GL_BUFFER_MAPPED == GL_BUFFER_MAPPED_OES, "GL enums should be equal.");
+            if (context->getClientMajorVersion() < 3 && !extensions.mapbufferOES &&
+                !extensions.mapBufferRangeEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_BUFFER_MAP_POINTER:
+            if (!pointerVersion)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMapPointerQuery);
+                return false;
+            }
+            break;
+
+        case GL_BUFFER_ACCESS_FLAGS:
+        case GL_BUFFER_MAP_OFFSET:
+        case GL_BUFFER_MAP_LENGTH:
+            if (context->getClientMajorVersion() < 3 && !extensions.mapBufferRangeEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_MEMORY_SIZE_ANGLE:
+            if (!context->getExtensions().memorySizeANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            if (!context->getExtensions().robustResourceInitializationANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kRobustResourceInitializationExtensionRequired);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    // All buffer parameter queries return one value.
+    if (numParams)
+    {
+        *numParams = 1;
+    }
+
+    return true;
+}
+
+bool ValidateGetRenderbufferParameterivBase(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLenum pname,
+                                            GLsizei *length)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (target != GL_RENDERBUFFER)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferTarget);
+        return false;
+    }
+
+    Renderbuffer *renderbuffer = context->getState().getCurrentRenderbuffer();
+    if (renderbuffer == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kRenderbufferNotBound);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_RENDERBUFFER_WIDTH:
+        case GL_RENDERBUFFER_HEIGHT:
+        case GL_RENDERBUFFER_INTERNAL_FORMAT:
+        case GL_RENDERBUFFER_RED_SIZE:
+        case GL_RENDERBUFFER_GREEN_SIZE:
+        case GL_RENDERBUFFER_BLUE_SIZE:
+        case GL_RENDERBUFFER_ALPHA_SIZE:
+        case GL_RENDERBUFFER_DEPTH_SIZE:
+        case GL_RENDERBUFFER_STENCIL_SIZE:
+            break;
+
+        case GL_RENDERBUFFER_SAMPLES_ANGLE:
+            if (context->getClientMajorVersion() < 3 &&
+                !context->getExtensions().framebufferMultisampleANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_MEMORY_SIZE_ANGLE:
+            if (!context->getExtensions().memorySizeANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+        case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+            if (!context->getExtensions().getImageANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kGetImageExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            if (!context->getExtensions().robustResourceInitializationANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kRobustResourceInitializationExtensionRequired);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (length)
+    {
+        *length = 1;
+    }
+    return true;
+}
+
+bool ValidateGetShaderivBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID shader,
+                             GLenum pname,
+                             GLsizei *length)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (context->isContextLost())
+    {
+        context->validationError(entryPoint, GL_CONTEXT_LOST, kContextLost);
+
+        if (context->getExtensions().parallelShaderCompileKHR && pname == GL_COMPLETION_STATUS_KHR)
+        {
+            // Generate an error but still return true, the context still needs to return a
+            // value in this case.
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    if (GetValidShader(context, entryPoint, shader) == nullptr)
+    {
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_SHADER_TYPE:
+        case GL_DELETE_STATUS:
+        case GL_COMPILE_STATUS:
+        case GL_INFO_LOG_LENGTH:
+        case GL_SHADER_SOURCE_LENGTH:
+            break;
+
+        case GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE:
+            if (!context->getExtensions().translatedShaderSourceANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_COMPLETION_STATUS_KHR:
+            if (!context->getExtensions().parallelShaderCompileKHR)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (length)
+    {
+        *length = 1;
+    }
+    return true;
+}
+
+bool ValidateGetTexParameterBase(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType target,
+                                 GLenum pname,
+                                 GLsizei *length)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if ((!ValidTextureTarget(context, target) && !ValidTextureExternalTarget(context, target)) ||
+        target == TextureType::Buffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    if (context->getTextureByType(target) == nullptr)
+    {
+        // Should only be possible for external textures
+        context->validationError(entryPoint, GL_INVALID_ENUM, kTextureNotBound);
+        return false;
+    }
+
+    if (context->getClientMajorVersion() == 1 && !IsValidGLES1TextureParameter(pname))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_TEXTURE_MAG_FILTER:
+        case GL_TEXTURE_MIN_FILTER:
+        case GL_TEXTURE_WRAP_S:
+        case GL_TEXTURE_WRAP_T:
+            break;
+
+        case GL_TEXTURE_USAGE_ANGLE:
+            if (!context->getExtensions().textureUsageANGLE)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+            if (!ValidateTextureMaxAnisotropyExtensionEnabled(context, entryPoint))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_IMMUTABLE_FORMAT:
+            if (context->getClientMajorVersion() < 3 && !context->getExtensions().textureStorageEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_WRAP_R:
+        case GL_TEXTURE_IMMUTABLE_LEVELS:
+        case GL_TEXTURE_SWIZZLE_R:
+        case GL_TEXTURE_SWIZZLE_G:
+        case GL_TEXTURE_SWIZZLE_B:
+        case GL_TEXTURE_SWIZZLE_A:
+        case GL_TEXTURE_BASE_LEVEL:
+        case GL_TEXTURE_MAX_LEVEL:
+        case GL_TEXTURE_MIN_LOD:
+        case GL_TEXTURE_MAX_LOD:
+            if (context->getClientMajorVersion() < 3)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES30);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_COMPARE_MODE:
+        case GL_TEXTURE_COMPARE_FUNC:
+            if (context->getClientMajorVersion() < 3 && !context->getExtensions().shadowSamplersEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            if (!context->getExtensions().textureSRGBDecodeEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_DEPTH_STENCIL_TEXTURE_MODE:
+        case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            break;
+
+        case GL_GENERATE_MIPMAP:
+        case GL_TEXTURE_CROP_RECT_OES:
+            // TODO(lfy@google.com): Restrict to GL_OES_draw_texture
+            // after GL_OES_draw_texture functionality implemented
+            if (context->getClientMajorVersion() > 1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kGLES1Only);
+                return false;
+            }
+            break;
+
+        case GL_MEMORY_SIZE_ANGLE:
+            if (!context->getExtensions().memorySizeANGLE)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_BORDER_COLOR:
+            if (!context->getExtensions().textureBorderClampOES &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_NATIVE_ID_ANGLE:
+            if (!context->getExtensions().textureExternalUpdateANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+        case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+            if (!context->getExtensions().getImageANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kGetImageExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            if (!context->getExtensions().robustResourceInitializationANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kRobustResourceInitializationExtensionRequired);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_PROTECTED_EXT:
+            if (!context->getExtensions().protectedTexturesEXT)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kProtectedTexturesExtensionRequired);
+                return false;
+            }
+            break;
+
+        case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (length)
+    {
+        *length = GetTexParameterCount(pname);
+    }
+    return true;
+}
+
+bool ValidateGetVertexAttribBase(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint index,
+                                 GLenum pname,
+                                 GLsizei *length,
+                                 bool pointer,
+                                 bool pureIntegerEntryPoint)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (pureIntegerEntryPoint && context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (index >= static_cast<GLuint>(context->getCaps().maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    if (pointer)
+    {
+        if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER)
+        {
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+        }
+    }
+    else
+    {
+        switch (pname)
+        {
+            case GL_VERTEX_ATTRIB_ARRAY_ENABLED:
+            case GL_VERTEX_ATTRIB_ARRAY_SIZE:
+            case GL_VERTEX_ATTRIB_ARRAY_STRIDE:
+            case GL_VERTEX_ATTRIB_ARRAY_TYPE:
+            case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
+            case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING:
+            case GL_CURRENT_VERTEX_ATTRIB:
+                break;
+
+            case GL_VERTEX_ATTRIB_ARRAY_DIVISOR:
+                static_assert(
+                    GL_VERTEX_ATTRIB_ARRAY_DIVISOR == GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE,
+                    "ANGLE extension enums not equal to GL enums.");
+                if (context->getClientMajorVersion() < 3 &&
+                    !context->getExtensions().instancedArraysAny())
+                {
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              pname);
+                    return false;
+                }
+                break;
+
+            case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
+                if (context->getClientMajorVersion() < 3)
+                {
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              pname);
+                    return false;
+                }
+                break;
+
+            case GL_VERTEX_ATTRIB_BINDING:
+            case GL_VERTEX_ATTRIB_RELATIVE_OFFSET:
+                if (context->getClientVersion() < ES_3_1)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                    return false;
+                }
+                break;
+
+            default:
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+        }
+    }
+
+    if (length)
+    {
+        if (pname == GL_CURRENT_VERTEX_ATTRIB)
+        {
+            *length = 4;
+        }
+        else
+        {
+            *length = 1;
+        }
+    }
+
+    return true;
+}
+
+bool ValidatePixelPack(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum format,
+                       GLenum type,
+                       GLint x,
+                       GLint y,
+                       GLsizei width,
+                       GLsizei height,
+                       GLsizei bufSize,
+                       GLsizei *length,
+                       const void *pixels)
+{
+    // Check for pixel pack buffer related API errors
+    Buffer *pixelPackBuffer = context->getState().getTargetBuffer(BufferBinding::PixelPack);
+    if (pixelPackBuffer != nullptr && pixelPackBuffer->isMapped())
+    {
+        // ...the buffer object's data store is currently mapped.
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped);
+        return false;
+    }
+    if (pixelPackBuffer != nullptr &&
+        pixelPackBuffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kPixelPackBufferBoundForTransformFeedback);
+        return false;
+    }
+
+    // ..  the data would be packed to the buffer object such that the memory writes required
+    // would exceed the data store size.
+    const InternalFormat &formatInfo = GetInternalFormatInfo(format, type);
+    const Extents size(width, height, 1);
+    const auto &pack = context->getState().getPackState();
+
+    GLuint endByte = 0;
+    if (!formatInfo.computePackUnpackEndByte(type, size, pack, false, &endByte))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+        return false;
+    }
+
+    if (bufSize >= 0)
+    {
+        if (pixelPackBuffer == nullptr && static_cast<size_t>(bufSize) < endByte)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientBufferSize);
+            return false;
+        }
+    }
+
+    if (pixelPackBuffer != nullptr)
+    {
+        CheckedNumeric<size_t> checkedEndByte(endByte);
+        CheckedNumeric<size_t> checkedOffset(reinterpret_cast<size_t>(pixels));
+        checkedEndByte += checkedOffset;
+
+        if (checkedEndByte.ValueOrDie() > static_cast<size_t>(pixelPackBuffer->getSize()))
+        {
+            // Overflow past the end of the buffer
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kParamOverflow);
+            return false;
+        }
+    }
+
+    if (pixelPackBuffer == nullptr && length != nullptr)
+    {
+        if (endByte > static_cast<size_t>(std::numeric_limits<GLsizei>::max()))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+            return false;
+        }
+
+        *length = static_cast<GLsizei>(endByte);
+    }
+
+    if (context->isWebGL())
+    {
+        // WebGL 2.0 disallows the scenario:
+        //   GL_PACK_SKIP_PIXELS + width > DataStoreWidth
+        // where:
+        //   DataStoreWidth = (GL_PACK_ROW_LENGTH ? GL_PACK_ROW_LENGTH : width)
+        // Since these two pack parameters can only be set to non-zero values
+        // on WebGL 2.0 contexts, verify them for all WebGL contexts.
+        GLint dataStoreWidth = pack.rowLength ? pack.rowLength : width;
+        if (pack.skipPixels + width > dataStoreWidth)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kInvalidPackParametersForWebGL);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateReadPixelsBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLsizei height,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            GLsizei *length,
+                            GLsizei *columns,
+                            GLsizei *rows,
+                            const void *pixels)
+{
+    if (length != nullptr)
+    {
+        *length = 0;
+    }
+    if (rows != nullptr)
+    {
+        *rows = 0;
+    }
+    if (columns != nullptr)
+    {
+        *columns = 0;
+    }
+
+    if (width < 0 || height < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    Framebuffer *readFramebuffer = context->getState().getReadFramebuffer();
+    ASSERT(readFramebuffer);
+
+    if (!ValidateFramebufferComplete(context, entryPoint, readFramebuffer))
+    {
+        return false;
+    }
+
+    // needIntrinsic = true. Treat renderToTexture textures as single sample since they will be
+    // resolved before reading.
+    if (!readFramebuffer->isDefault() &&
+        !ValidateFramebufferNotMultisampled(context, entryPoint, readFramebuffer, true))
+    {
+        return false;
+    }
+
+    if (readFramebuffer->getReadBufferState() == GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kReadBufferNone);
+        return false;
+    }
+
+    const FramebufferAttachment *readBuffer = nullptr;
+    switch (format)
+    {
+        case GL_DEPTH_COMPONENT:
+            readBuffer = readFramebuffer->getDepthAttachment();
+            break;
+        case GL_STENCIL_INDEX_OES:
+        case GL_DEPTH_STENCIL_OES:
+            readBuffer = readFramebuffer->getStencilOrDepthStencilAttachment();
+            break;
+        default:
+            readBuffer = readFramebuffer->getReadColorAttachment();
+            break;
+    }
+
+    // OVR_multiview2, Revision 1:
+    // ReadPixels generates an INVALID_FRAMEBUFFER_OPERATION error if
+    // the number of views in the current read framebuffer is more than one.
+    if (readFramebuffer->readDisallowedByMultiview())
+    {
+        context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION,
+                                 kMultiviewReadFramebuffer);
+        return false;
+    }
+
+    if (context->isWebGL())
+    {
+        // The ES 2.0 spec states that the format must be "among those defined in table 3.4,
+        // excluding formats LUMINANCE and LUMINANCE_ALPHA.".  This requires validating the format
+        // and type before validating the combination of format and type.  However, the
+        // dEQP-GLES3.functional.negative_api.buffer.read_pixels passes GL_LUMINANCE as a format and
+        // verifies that GL_INVALID_OPERATION is generated.
+        // TODO(geofflang): Update this check to be done in all/no cases once this is resolved in
+        // dEQP/WebGL.
+        if (!ValidReadPixelsFormatEnum(context, format))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+            return false;
+        }
+
+        if (!ValidReadPixelsTypeEnum(context, type))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+            return false;
+        }
+    }
+
+    // WebGL 1.0 [Section 6.26] Reading From a Missing Attachment
+    // In OpenGL ES it is undefined what happens when an operation tries to read from a missing
+    // attachment and WebGL defines it to be an error. We do the check unconditionally as the
+    // situation is an application error that would lead to a crash in ANGLE.
+    if (readBuffer == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingReadAttachment);
+        return false;
+    }
+
+    GLenum currentFormat = GL_NONE;
+    GLenum currentType   = GL_NONE;
+
+    switch (format)
+    {
+        case GL_DEPTH_COMPONENT:
+        case GL_STENCIL_INDEX_OES:
+        case GL_DEPTH_STENCIL_OES:
+            // Only rely on ValidReadPixelsFormatType for depth/stencil formats
+            break;
+        default:
+            currentFormat = readFramebuffer->getImplementationColorReadFormat(context);
+            currentType   = readFramebuffer->getImplementationColorReadType(context);
+            break;
+    }
+
+    bool validFormatTypeCombination =
+        ValidReadPixelsFormatType(context, readBuffer->getFormat().info, format, type);
+
+    if (!(currentFormat == format && currentType == type) && !validFormatTypeCombination)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMismatchedTypeAndFormat);
+        return false;
+    }
+
+    if (!ValidatePixelPack(context, entryPoint, format, type, x, y, width, height, bufSize, length,
+                           pixels))
+    {
+        return false;
+    }
+
+    auto getClippedExtent = [](GLint start, GLsizei length, int bufferSize, GLsizei *outExtent) {
+        angle::CheckedNumeric<int> clippedExtent(length);
+        if (start < 0)
+        {
+            // "subtract" the area that is less than 0
+            clippedExtent += start;
+        }
+
+        angle::CheckedNumeric<int> readExtent = start;
+        readExtent += length;
+        if (!readExtent.IsValid())
+        {
+            return false;
+        }
+
+        if (readExtent.ValueOrDie() > bufferSize)
+        {
+            // Subtract the region to the right of the read buffer
+            clippedExtent -= (readExtent - bufferSize);
+        }
+
+        if (!clippedExtent.IsValid())
+        {
+            return false;
+        }
+
+        *outExtent = std::max<int>(clippedExtent.ValueOrDie(), 0);
+        return true;
+    };
+
+    GLsizei writtenColumns = 0;
+    if (!getClippedExtent(x, width, readBuffer->getSize().width, &writtenColumns))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+        return false;
+    }
+
+    GLsizei writtenRows = 0;
+    if (!getClippedExtent(y, height, readBuffer->getSize().height, &writtenRows))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+        return false;
+    }
+
+    if (columns != nullptr)
+    {
+        *columns = writtenColumns;
+    }
+
+    if (rows != nullptr)
+    {
+        *rows = writtenRows;
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateTexParameterBase(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureType target,
+                              GLenum pname,
+                              GLsizei bufSize,
+                              bool vectorParams,
+                              const ParamType *params)
+{
+    if ((!ValidTextureTarget(context, target) && !ValidTextureExternalTarget(context, target)) ||
+        target == TextureType::Buffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    if (context->getTextureByType(target) == nullptr)
+    {
+        // Should only be possible for external textures
+        context->validationError(entryPoint, GL_INVALID_ENUM, kTextureNotBound);
+        return false;
+    }
+
+    const GLsizei minBufSize = GetTexParameterCount(pname);
+    if (bufSize >= 0 && bufSize < minBufSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientBufferSize);
+        return false;
+    }
+
+    if (context->getClientMajorVersion() == 1 && !IsValidGLES1TextureParameter(pname))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_TEXTURE_WRAP_R:
+        case GL_TEXTURE_SWIZZLE_R:
+        case GL_TEXTURE_SWIZZLE_G:
+        case GL_TEXTURE_SWIZZLE_B:
+        case GL_TEXTURE_SWIZZLE_A:
+        case GL_TEXTURE_BASE_LEVEL:
+        case GL_TEXTURE_MAX_LEVEL:
+        case GL_TEXTURE_COMPARE_MODE:
+        case GL_TEXTURE_COMPARE_FUNC:
+        case GL_TEXTURE_MIN_LOD:
+        case GL_TEXTURE_MAX_LOD:
+            if (context->getClientMajorVersion() < 3 &&
+                !(pname == GL_TEXTURE_WRAP_R && context->getExtensions().texture3DOES))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kES3Required);
+                return false;
+            }
+            if (target == TextureType::External &&
+                !context->getExtensions().EGLImageExternalEssl3OES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            if (target == TextureType::VideoImage && !context->getExtensions().videoTextureWEBGL)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            }
+            break;
+
+        case GL_GENERATE_MIPMAP:
+        case GL_TEXTURE_CROP_RECT_OES:
+            if (context->getClientMajorVersion() > 1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kGLES1Only);
+                return false;
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    if (target == TextureType::_2DMultisample || target == TextureType::_2DMultisampleArray)
+    {
+        switch (pname)
+        {
+            case GL_TEXTURE_MIN_FILTER:
+            case GL_TEXTURE_MAG_FILTER:
+            case GL_TEXTURE_WRAP_S:
+            case GL_TEXTURE_WRAP_T:
+            case GL_TEXTURE_WRAP_R:
+            case GL_TEXTURE_MIN_LOD:
+            case GL_TEXTURE_MAX_LOD:
+            case GL_TEXTURE_COMPARE_MODE:
+            case GL_TEXTURE_COMPARE_FUNC:
+            case GL_TEXTURE_BORDER_COLOR:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+                return false;
+        }
+    }
+
+    switch (pname)
+    {
+        case GL_TEXTURE_WRAP_S:
+        case GL_TEXTURE_WRAP_T:
+        case GL_TEXTURE_WRAP_R:
+        {
+            bool restrictedWrapModes = ((target == TextureType::External &&
+                                         !context->getExtensions().EGLImageExternalWrapModesEXT) ||
+                                        target == TextureType::Rectangle);
+            if (!ValidateTextureWrapModeValue(context, entryPoint, params, restrictedWrapModes))
+            {
+                return false;
+            }
+        }
+        break;
+
+        case GL_TEXTURE_MIN_FILTER:
+        {
+            bool restrictedMinFilter =
+                target == TextureType::External || target == TextureType::Rectangle;
+            if (!ValidateTextureMinFilterValue(context, entryPoint, params, restrictedMinFilter))
+            {
+                return false;
+            }
+        }
+        break;
+
+        case GL_TEXTURE_MAG_FILTER:
+            if (!ValidateTextureMagFilterValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_USAGE_ANGLE:
+            if (!context->getExtensions().textureUsageANGLE)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+
+            switch (ConvertToGLenum(params[0]))
+            {
+                case GL_NONE:
+                case GL_FRAMEBUFFER_ATTACHMENT_ANGLE:
+                    break;
+
+                default:
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              pname);
+                    return false;
+            }
+            break;
+
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+        {
+            GLfloat paramValue = static_cast<GLfloat>(params[0]);
+            if (!ValidateTextureMaxAnisotropyValue(context, entryPoint, paramValue))
+            {
+                return false;
+            }
+            ASSERT(static_cast<ParamType>(paramValue) == params[0]);
+        }
+        break;
+
+        case GL_TEXTURE_MIN_LOD:
+        case GL_TEXTURE_MAX_LOD:
+            // any value is permissible
+            break;
+
+        case GL_TEXTURE_COMPARE_MODE:
+            if (!ValidateTextureCompareModeValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_COMPARE_FUNC:
+            if (!ValidateTextureCompareFuncValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_SWIZZLE_R:
+        case GL_TEXTURE_SWIZZLE_G:
+        case GL_TEXTURE_SWIZZLE_B:
+        case GL_TEXTURE_SWIZZLE_A:
+            switch (ConvertToGLenum(params[0]))
+            {
+                case GL_RED:
+                case GL_GREEN:
+                case GL_BLUE:
+                case GL_ALPHA:
+                case GL_ZERO:
+                case GL_ONE:
+                    break;
+
+                default:
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              pname);
+                    return false;
+            }
+            break;
+
+        case GL_TEXTURE_BASE_LEVEL:
+            if (ConvertToGLint(params[0]) < 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kBaseLevelNegative);
+                return false;
+            }
+            if (target == TextureType::External && static_cast<GLuint>(params[0]) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kBaseLevelNonZero);
+                return false;
+            }
+            if ((target == TextureType::_2DMultisample ||
+                 target == TextureType::_2DMultisampleArray) &&
+                static_cast<GLuint>(params[0]) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kBaseLevelNonZero);
+                return false;
+            }
+            if (target == TextureType::Rectangle && static_cast<GLuint>(params[0]) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kBaseLevelNonZero);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_MAX_LEVEL:
+            if (ConvertToGLint(params[0]) < 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                return false;
+            }
+            break;
+
+        case GL_DEPTH_STENCIL_TEXTURE_MODE:
+            if (context->getClientVersion() < Version(3, 1))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            switch (ConvertToGLenum(params[0]))
+            {
+                case GL_DEPTH_COMPONENT:
+                case GL_STENCIL_INDEX:
+                    break;
+
+                default:
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              pname);
+                    return false;
+            }
+            break;
+
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            if (!ValidateTextureSRGBDecodeValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_FORMAT_SRGB_OVERRIDE_EXT:
+            if (!ValidateTextureSRGBOverrideValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_GENERATE_MIPMAP:
+            if (context->getClientMajorVersion() > 1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kGLES1Only);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_CROP_RECT_OES:
+            if (context->getClientMajorVersion() > 1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kGLES1Only);
+                return false;
+            }
+            if (!vectorParams)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientBufferSize);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_BORDER_COLOR:
+            if (!context->getExtensions().textureBorderClampOES &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            if (!vectorParams)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInsufficientBufferSize);
+                return false;
+            }
+            break;
+
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            if (!context->getExtensions().robustResourceInitializationANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kRobustResourceInitializationExtensionRequired);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_PROTECTED_EXT:
+            if (!context->getExtensions().protectedTexturesEXT)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kProtectedTexturesExtensionRequired);
+                return false;
+            }
+            if (ConvertToBool(params[0]) != context->getState().hasProtectedContent())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         "Protected Texture must match Protected Context");
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    return true;
+}
+
+template bool ValidateTexParameterBase(const Context *,
+                                       angle::EntryPoint,
+                                       TextureType,
+                                       GLenum,
+                                       GLsizei,
+                                       bool,
+                                       const GLfloat *);
+template bool ValidateTexParameterBase(const Context *,
+                                       angle::EntryPoint,
+                                       TextureType,
+                                       GLenum,
+                                       GLsizei,
+                                       bool,
+                                       const GLint *);
+template bool ValidateTexParameterBase(const Context *,
+                                       angle::EntryPoint,
+                                       TextureType,
+                                       GLenum,
+                                       GLsizei,
+                                       bool,
+                                       const GLuint *);
+
+bool ValidateGetActiveUniformBlockivBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         UniformBlockIndex uniformBlockIndex,
+                                         GLenum pname,
+                                         GLsizei *length)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (uniformBlockIndex.value >= programObject->getActiveUniformBlockCount())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                 kIndexExceedsActiveUniformBlockCount);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_UNIFORM_BLOCK_BINDING:
+        case GL_UNIFORM_BLOCK_DATA_SIZE:
+        case GL_UNIFORM_BLOCK_NAME_LENGTH:
+        case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
+        case GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
+        case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
+        case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (length)
+    {
+        if (pname == GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES)
+        {
+            const InterfaceBlock &uniformBlock =
+                programObject->getUniformBlockByIndex(uniformBlockIndex.value);
+            *length = static_cast<GLsizei>(uniformBlock.memberIndexes.size());
+        }
+        else
+        {
+            *length = 1;
+        }
+    }
+
+    return true;
+}
+
+template <typename ParamType>
+bool ValidateSamplerParameterBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  SamplerID sampler,
+                                  GLenum pname,
+                                  GLsizei bufSize,
+                                  bool vectorParams,
+                                  const ParamType *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!context->isSampler(sampler))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidSampler);
+        return false;
+    }
+
+    const GLsizei minBufSize = GetSamplerParameterCount(pname);
+    if (bufSize >= 0 && bufSize < minBufSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientBufferSize);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_TEXTURE_WRAP_S:
+        case GL_TEXTURE_WRAP_T:
+        case GL_TEXTURE_WRAP_R:
+            if (!ValidateTextureWrapModeValue(context, entryPoint, params, false))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_MIN_FILTER:
+            if (!ValidateTextureMinFilterValue(context, entryPoint, params, false))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_MAG_FILTER:
+            if (!ValidateTextureMagFilterValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_MIN_LOD:
+        case GL_TEXTURE_MAX_LOD:
+            // any value is permissible
+            break;
+
+        case GL_TEXTURE_COMPARE_MODE:
+            if (!ValidateTextureCompareModeValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_COMPARE_FUNC:
+            if (!ValidateTextureCompareFuncValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            if (!ValidateTextureSRGBDecodeValue(context, entryPoint, params))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+        {
+            GLfloat paramValue = static_cast<GLfloat>(params[0]);
+            if (!ValidateTextureMaxAnisotropyValue(context, entryPoint, paramValue))
+            {
+                return false;
+            }
+        }
+        break;
+
+        case GL_TEXTURE_BORDER_COLOR:
+            if (!context->getExtensions().textureBorderClampOES &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            if (!vectorParams)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInsufficientBufferSize);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    return true;
+}
+
+template bool ValidateSamplerParameterBase(const Context *,
+                                           angle::EntryPoint,
+                                           SamplerID,
+                                           GLenum,
+                                           GLsizei,
+                                           bool,
+                                           const GLfloat *);
+template bool ValidateSamplerParameterBase(const Context *,
+                                           angle::EntryPoint,
+                                           SamplerID,
+                                           GLenum,
+                                           GLsizei,
+                                           bool,
+                                           const GLint *);
+template bool ValidateSamplerParameterBase(const Context *,
+                                           angle::EntryPoint,
+                                           SamplerID,
+                                           GLenum,
+                                           GLsizei,
+                                           bool,
+                                           const GLuint *);
+
+bool ValidateGetSamplerParameterBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID sampler,
+                                     GLenum pname,
+                                     GLsizei *length)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!context->isSampler(sampler))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidSampler);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_TEXTURE_WRAP_S:
+        case GL_TEXTURE_WRAP_T:
+        case GL_TEXTURE_WRAP_R:
+        case GL_TEXTURE_MIN_FILTER:
+        case GL_TEXTURE_MAG_FILTER:
+        case GL_TEXTURE_MIN_LOD:
+        case GL_TEXTURE_MAX_LOD:
+        case GL_TEXTURE_COMPARE_MODE:
+        case GL_TEXTURE_COMPARE_FUNC:
+            break;
+
+        case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+            if (!ValidateTextureMaxAnisotropyExtensionEnabled(context, entryPoint))
+            {
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_SRGB_DECODE_EXT:
+            if (!context->getExtensions().textureSRGBDecodeEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_BORDER_COLOR:
+            if (!context->getExtensions().textureBorderClampOES &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (length)
+    {
+        *length = GetSamplerParameterCount(pname);
+    }
+    return true;
+}
+
+bool ValidateGetInternalFormativBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum internalformat,
+                                     GLenum pname,
+                                     GLsizei bufSize,
+                                     GLsizei *numParams)
+{
+    if (numParams)
+    {
+        *numParams = 0;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat);
+    if (!formatCaps.renderbuffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kFormatNotRenderable);
+        return false;
+    }
+
+    switch (target)
+    {
+        case GL_RENDERBUFFER:
+            break;
+
+        case GL_TEXTURE_2D_MULTISAMPLE:
+            if (context->getClientVersion() < ES_3_1 &&
+                !context->getExtensions().textureMultisampleANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kMultisampleTextureExtensionOrES31Required);
+                return false;
+            }
+            break;
+        case GL_TEXTURE_2D_MULTISAMPLE_ARRAY_OES:
+            if (!context->getExtensions().textureStorageMultisample2dArrayOES)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kMultisampleArrayExtensionRequired);
+                return false;
+            }
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTarget);
+            return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInsufficientBufferSize);
+        return false;
+    }
+
+    GLsizei maxWriteParams = 0;
+    switch (pname)
+    {
+        case GL_NUM_SAMPLE_COUNTS:
+            maxWriteParams = 1;
+            break;
+
+        case GL_SAMPLES:
+            maxWriteParams = static_cast<GLsizei>(formatCaps.sampleCounts.size());
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (numParams)
+    {
+        // glGetInternalFormativ will not overflow bufSize
+        *numParams = std::min(bufSize, maxWriteParams);
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferNotMultisampled(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        const Framebuffer *framebuffer,
+                                        bool checkReadBufferResourceSamples)
+{
+    int samples = checkReadBufferResourceSamples
+                      ? framebuffer->getReadBufferResourceSamples(context)
+                      : framebuffer->getSamples(context);
+    if (samples != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInvalidMultisampledFramebufferOperation);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateMultitextureUnit(const Context *context, angle::EntryPoint entryPoint, GLenum texture)
+{
+    if (texture < GL_TEXTURE0 || texture >= GL_TEXTURE0 + context->getCaps().maxMultitextureUnits)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMultitextureUnit);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateTexStorageMultisample(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureType target,
+                                   GLsizei samples,
+                                   GLint internalFormat,
+                                   GLsizei width,
+                                   GLsizei height)
+{
+    const Caps &caps = context->getCaps();
+    if (width > caps.max2DTextureSize || height > caps.max2DTextureSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureWidthOrHeightOutOfRange);
+        return false;
+    }
+
+    if (samples == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSamplesZero);
+        return false;
+    }
+
+    const TextureCaps &formatCaps = context->getTextureCaps().get(internalFormat);
+    if (!formatCaps.textureAttachment)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kRenderableInternalFormat);
+        return false;
+    }
+
+    // The ES3.1 spec(section 8.8) states that an INVALID_ENUM error is generated if internalformat
+    // is one of the unsized base internalformats listed in table 8.11.
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalFormat);
+    if (formatInfo.internalFormat == GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kUnsizedInternalFormatUnsupported);
+        return false;
+    }
+
+    if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kSamplesOutOfRange);
+        return false;
+    }
+
+    Texture *texture = context->getTextureByType(target);
+    if (!texture || texture->id().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kZeroBoundToTarget);
+        return false;
+    }
+
+    if (texture->getImmutableFormat())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kImmutableTextureBound);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateTexStorage2DMultisampleBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType target,
+                                         GLsizei samples,
+                                         GLint internalFormat,
+                                         GLsizei width,
+                                         GLsizei height)
+{
+    if (target != TextureType::_2DMultisample)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTarget);
+        return false;
+    }
+
+    if (width < 1 || height < 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureSizeTooSmall);
+        return false;
+    }
+
+    return ValidateTexStorageMultisample(context, entryPoint, target, samples, internalFormat,
+                                         width, height);
+}
+
+bool ValidateGetTexLevelParameterBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      TextureTarget target,
+                                      GLint level,
+                                      GLenum pname,
+                                      GLsizei *length)
+{
+
+    if (length)
+    {
+        *length = 0;
+    }
+
+    TextureType type = TextureTargetToType(target);
+
+    if (!ValidTexLevelDestinationTarget(context, type))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    if (context->getTextureByType(type) == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kTextureNotBound);
+        return false;
+    }
+
+    if (!ValidMipLevel(context, type, level))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_TEXTURE_RED_TYPE:
+        case GL_TEXTURE_GREEN_TYPE:
+        case GL_TEXTURE_BLUE_TYPE:
+        case GL_TEXTURE_ALPHA_TYPE:
+        case GL_TEXTURE_DEPTH_TYPE:
+        case GL_TEXTURE_RED_SIZE:
+        case GL_TEXTURE_GREEN_SIZE:
+        case GL_TEXTURE_BLUE_SIZE:
+        case GL_TEXTURE_ALPHA_SIZE:
+        case GL_TEXTURE_DEPTH_SIZE:
+        case GL_TEXTURE_STENCIL_SIZE:
+        case GL_TEXTURE_SHARED_SIZE:
+        case GL_TEXTURE_INTERNAL_FORMAT:
+        case GL_TEXTURE_WIDTH:
+        case GL_TEXTURE_HEIGHT:
+        case GL_TEXTURE_DEPTH:
+        case GL_TEXTURE_SAMPLES:
+        case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
+        case GL_TEXTURE_COMPRESSED:
+            break;
+
+        case GL_RESOURCE_INITIALIZED_ANGLE:
+            if (!context->getExtensions().robustResourceInitializationANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kRobustResourceInitializationExtensionRequired);
+                return false;
+            }
+            break;
+
+        case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
+        case GL_TEXTURE_BUFFER_OFFSET:
+        case GL_TEXTURE_BUFFER_SIZE:
+            if (context->getClientVersion() < Version(3, 2) &&
+                !context->getExtensions().textureBufferAny())
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kTextureBufferExtensionNotAvailable);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    if (length)
+    {
+        *length = 1;
+    }
+    return true;
+}
+
+bool ValidateGetMultisamplefvBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum pname,
+                                  GLuint index,
+                                  const GLfloat *val)
+{
+    if (pname != GL_SAMPLE_POSITION)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+        return false;
+    }
+
+    Framebuffer *framebuffer = context->getState().getDrawFramebuffer();
+    GLint samples            = framebuffer->getSamples(context);
+
+    if (index >= static_cast<GLuint>(samples))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsSamples);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSampleMaskiBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint maskNumber,
+                             GLbitfield mask)
+{
+    if (maskNumber >= static_cast<GLuint>(context->getCaps().maxSampleMaskWords))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSampleMaskNumber);
+        return false;
+    }
+
+    return true;
+}
+
+void RecordDrawAttribsError(const Context *context, angle::EntryPoint entryPoint)
+{
+    // An overflow can happen when adding the offset. Check against a special constant.
+    if (context->getStateCache().getNonInstancedVertexElementLimit() ==
+            VertexAttribute::kIntegerOverflow ||
+        context->getStateCache().getInstancedVertexElementLimit() ==
+            VertexAttribute::kIntegerOverflow)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+    }
+    else
+    {
+        // [OpenGL ES 3.0.2] section 2.9.4 page 40:
+        // We can return INVALID_OPERATION if our buffer does not have enough backing data.
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientVertexBufferSize);
+    }
+}
+
+bool ValidateLoseContextCHROMIUM(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GraphicsResetStatus current,
+                                 GraphicsResetStatus other)
+{
+    if (!context->getExtensions().loseContextCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (current)
+    {
+        case GraphicsResetStatus::GuiltyContextReset:
+        case GraphicsResetStatus::InnocentContextReset:
+        case GraphicsResetStatus::UnknownContextReset:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidResetStatus);
+    }
+
+    switch (other)
+    {
+        case GraphicsResetStatus::GuiltyContextReset:
+        case GraphicsResetStatus::InnocentContextReset:
+        case GraphicsResetStatus::UnknownContextReset:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidResetStatus);
+    }
+
+    return true;
+}
+
+// GL_ANGLE_texture_storage_external
+bool ValidateTexImage2DExternalANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLint internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type)
+{
+    if (!context->getExtensions().textureExternalUpdateANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidTexture2DDestinationTarget(context, target) &&
+        !ValidTextureExternalTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    if (context->getClientMajorVersion() <= 2)
+    {
+        if (!ValidateES2TexImageParametersBase(context, entryPoint, target, level, internalformat,
+                                               false, false, 0, 0, width, height, border, format,
+                                               type, -1, nullptr))
+        {
+            return false;
+        }
+    }
+    else
+    {
+        if (!ValidateES3TexImageParametersBase(context, entryPoint, target, level, internalformat,
+                                               false, false, 0, 0, 0, width, height, 1, border,
+                                               format, type, -1, nullptr))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateInvalidateTextureANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureType target)
+{
+    if (!context->getExtensions().textureExternalUpdateANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidTextureTarget(context, target) && !ValidTextureExternalTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramExecutableXFBBuffersPresent(const Context *context,
+                                                const ProgramExecutable *programExecutable)
+{
+    size_t programXfbCount = programExecutable->getTransformFeedbackBufferCount();
+    const TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback();
+    for (size_t programXfbIndex = 0; programXfbIndex < programXfbCount; ++programXfbIndex)
+    {
+        const OffsetBindingPointer<Buffer> &buffer =
+            transformFeedback->getIndexedBuffer(programXfbIndex);
+        if (!buffer.get())
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateLogicOpCommon(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           LogicalOperation opcodePacked)
+{
+    switch (opcodePacked)
+    {
+        case LogicalOperation::And:
+        case LogicalOperation::AndInverted:
+        case LogicalOperation::AndReverse:
+        case LogicalOperation::Clear:
+        case LogicalOperation::Copy:
+        case LogicalOperation::CopyInverted:
+        case LogicalOperation::Equiv:
+        case LogicalOperation::Invert:
+        case LogicalOperation::Nand:
+        case LogicalOperation::Noop:
+        case LogicalOperation::Nor:
+        case LogicalOperation::Or:
+        case LogicalOperation::OrInverted:
+        case LogicalOperation::OrReverse:
+        case LogicalOperation::Set:
+        case LogicalOperation::Xor:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidLogicOp);
+            return false;
+    }
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationES.h b/gfx/angle/checkout/src/libANGLE/validationES.h
new file mode 100644
index 0000000000..685e1e505b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES.h
@@ -0,0 +1,1272 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationES.h: Validation functions for generic OpenGL ES entry point parameters
+
+#ifndef LIBANGLE_VALIDATION_ES_H_
+#define LIBANGLE_VALIDATION_ES_H_
+
+#include "common/PackedEnums.h"
+#include "common/mathutil.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/VertexArray.h"
+
+#include <GLES2/gl2.h>
+#include <GLES3/gl3.h>
+#include <GLES3/gl31.h>
+
+namespace egl
+{
+class Display;
+class Image;
+}  // namespace egl
+
+namespace gl
+{
+class Context;
+struct Format;
+class Framebuffer;
+struct LinkedUniform;
+class Program;
+class Shader;
+
+void SetRobustLengthParam(const GLsizei *length, GLsizei value);
+bool ValidTextureTarget(const Context *context, TextureType type);
+bool ValidTexture2DTarget(const Context *context, TextureType type);
+bool ValidTexture3DTarget(const Context *context, TextureType target);
+bool ValidTextureExternalTarget(const Context *context, TextureType target);
+bool ValidTextureExternalTarget(const Context *context, TextureTarget target);
+bool ValidTexture2DDestinationTarget(const Context *context, TextureTarget target);
+bool ValidTexture3DDestinationTarget(const Context *context, TextureTarget target);
+bool ValidTexLevelDestinationTarget(const Context *context, TextureType type);
+bool ValidFramebufferTarget(const Context *context, GLenum target);
+bool ValidMipLevel(const Context *context, TextureType type, GLint level);
+bool ValidImageSizeParameters(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureType target,
+                              GLint level,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              bool isSubImage);
+bool ValidCompressedImageSize(const Context *context,
+                              GLenum internalFormat,
+                              GLint level,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth);
+bool ValidCompressedSubImageSize(const Context *context,
+                                 GLenum internalFormat,
+                                 GLint xoffset,
+                                 GLint yoffset,
+                                 GLint zoffset,
+                                 GLsizei width,
+                                 GLsizei height,
+                                 GLsizei depth,
+                                 size_t textureWidth,
+                                 size_t textureHeight,
+                                 size_t textureDepth);
+bool ValidImageDataSize(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        TextureType texType,
+                        GLsizei width,
+                        GLsizei height,
+                        GLsizei depth,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels,
+                        GLsizei imageSize);
+
+bool ValidQueryType(const Context *context, QueryType queryType);
+
+bool ValidateWebGLVertexAttribPointer(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexAttribType type,
+                                      GLboolean normalized,
+                                      GLsizei stride,
+                                      const void *ptr,
+                                      bool pureInteger);
+
+// Returns valid program if id is a valid program name
+// Errors INVALID_OPERATION if valid shader is given and returns NULL
+// Errors INVALID_VALUE otherwise and returns NULL
+Program *GetValidProgram(const Context *context, angle::EntryPoint entryPoint, ShaderProgramID id);
+
+// Returns valid shader if id is a valid shader name
+// Errors INVALID_OPERATION if valid program is given and returns NULL
+// Errors INVALID_VALUE otherwise and returns NULL
+Shader *GetValidShader(const Context *context, angle::EntryPoint entryPoint, ShaderProgramID id);
+
+bool ValidateAttachmentTarget(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum attachment);
+
+bool ValidateBlitFramebufferParameters(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLint srcX0,
+                                       GLint srcY0,
+                                       GLint srcX1,
+                                       GLint srcY1,
+                                       GLint dstX0,
+                                       GLint dstY0,
+                                       GLint dstX1,
+                                       GLint dstY1,
+                                       GLbitfield mask,
+                                       GLenum filter);
+
+bool ValidateBindFramebufferBase(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 FramebufferID framebuffer);
+bool ValidateBindRenderbufferBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  RenderbufferID renderbuffer);
+bool ValidateFramebufferParameteriBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum pname,
+                                       GLint param);
+bool ValidateFramebufferRenderbufferBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum target,
+                                         GLenum attachment,
+                                         GLenum renderbuffertarget,
+                                         RenderbufferID renderbuffer);
+bool ValidateFramebufferTextureBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLenum attachment,
+                                    TextureID texture,
+                                    GLint level);
+bool ValidateGenerateMipmapBase(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target);
+
+bool ValidateRenderbufferStorageParametersBase(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               GLenum target,
+                                               GLsizei samples,
+                                               GLenum internalformat,
+                                               GLsizei width,
+                                               GLsizei height);
+
+bool ValidatePixelPack(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum format,
+                       GLenum type,
+                       GLint x,
+                       GLint y,
+                       GLsizei width,
+                       GLsizei height,
+                       GLsizei bufSize,
+                       GLsizei *length,
+                       const void *pixels);
+
+bool ValidateReadPixelsBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLsizei height,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            GLsizei *length,
+                            GLsizei *columns,
+                            GLsizei *rows,
+                            const void *pixels);
+bool ValidateReadPixelsRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const GLsizei *length,
+                                   const GLsizei *columns,
+                                   const GLsizei *rows,
+                                   const void *pixels);
+bool ValidateReadnPixelsEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLsizei height,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            const void *pixels);
+bool ValidateReadnPixelsRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLint x,
+                                    GLint y,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLenum format,
+                                    GLenum type,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLsizei *columns,
+                                    const GLsizei *rows,
+                                    const void *data);
+
+bool ValidateGenQueriesEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const QueryID *ids);
+bool ValidateDeleteQueriesEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei n,
+                              const QueryID *ids);
+bool ValidateIsQueryEXT(const Context *context, angle::EntryPoint entryPoint, QueryID id);
+bool ValidateBeginQueryBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            QueryType target,
+                            QueryID id);
+bool ValidateBeginQueryEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           QueryType target,
+                           QueryID id);
+bool ValidateEndQueryBase(const Context *context, angle::EntryPoint entryPoint, QueryType target);
+bool ValidateEndQueryEXT(const Context *context, angle::EntryPoint entryPoint, QueryType target);
+bool ValidateQueryCounterEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             QueryID id,
+                             QueryType target);
+bool ValidateGetQueryivBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            QueryType target,
+                            GLenum pname,
+                            GLsizei *numParams);
+bool ValidateGetQueryivEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           QueryType target,
+                           GLenum pname,
+                           const GLint *params);
+bool ValidateGetQueryivRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   QueryType target,
+                                   GLenum pname,
+                                   GLsizei bufSize,
+                                   const GLsizei *length,
+                                   const GLint *params);
+bool ValidateGetQueryObjectValueBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     QueryID id,
+                                     GLenum pname,
+                                     GLsizei *numParams);
+bool ValidateGetQueryObjectivEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 QueryID id,
+                                 GLenum pname,
+                                 const GLint *params);
+bool ValidateGetQueryObjectivRobustANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         QueryID id,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         const GLsizei *length,
+                                         const GLint *params);
+bool ValidateGetQueryObjectuivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  QueryID id,
+                                  GLenum pname,
+                                  const GLuint *params);
+bool ValidateGetQueryObjectuivRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          QueryID id,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLuint *params);
+bool ValidateGetQueryObjecti64vEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   QueryID id,
+                                   GLenum pname,
+                                   GLint64 *params);
+bool ValidateGetQueryObjecti64vRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           QueryID id,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           GLint64 *params);
+bool ValidateGetQueryObjectui64vEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    QueryID id,
+                                    GLenum pname,
+                                    GLuint64 *params);
+bool ValidateGetQueryObjectui64vRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            QueryID id,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            GLuint64 *params);
+
+bool ValidateUniformCommonBase(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const Program *program,
+                               UniformLocation location,
+                               GLsizei count,
+                               const LinkedUniform **uniformOut);
+bool ValidateUniform1ivValue(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum uniformType,
+                             GLsizei count,
+                             const GLint *value);
+
+ANGLE_INLINE bool ValidateUniformValue(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum valueType,
+                                       GLenum uniformType)
+{
+    // Check that the value type is compatible with uniform type.
+    // Do the cheaper test first, for a little extra speed.
+    if (valueType != uniformType && VariableBoolVectorType(valueType) != uniformType)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, err::kUniformSizeMismatch);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateUniformMatrixValue(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum valueType,
+                                GLenum uniformType);
+bool ValidateUniform(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum uniformType,
+                     UniformLocation location,
+                     GLsizei count);
+bool ValidateUniformMatrix(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum matrixType,
+                           UniformLocation location,
+                           GLsizei count,
+                           GLboolean transpose);
+bool ValidateGetBooleanvRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLboolean *params);
+bool ValidateGetFloatvRobustANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum pname,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLfloat *params);
+bool ValidateStateQuery(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum pname,
+                        GLenum *nativeType,
+                        unsigned int *numParams);
+bool ValidateGetIntegervRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLint *data);
+bool ValidateGetInteger64vRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      GLint64 *data);
+bool ValidateRobustStateQuery(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              GLsizei bufSize,
+                              GLenum *nativeType,
+                              unsigned int *numParams);
+
+bool ValidateCopyImageSubDataBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint srcName,
+                                  GLenum srcTarget,
+                                  GLint srcLevel,
+                                  GLint srcX,
+                                  GLint srcY,
+                                  GLint srcZ,
+                                  GLuint dstName,
+                                  GLenum dstTarget,
+                                  GLint dstLevel,
+                                  GLint dstX,
+                                  GLint dstY,
+                                  GLint dstZ,
+                                  GLsizei srcWidth,
+                                  GLsizei srcHeight,
+                                  GLsizei srcDepth);
+
+bool ValidateCopyTexImageParametersBase(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureTarget target,
+                                        GLint level,
+                                        GLenum internalformat,
+                                        bool isSubImage,
+                                        GLint xoffset,
+                                        GLint yoffset,
+                                        GLint zoffset,
+                                        GLint x,
+                                        GLint y,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLint border,
+                                        Format *textureFormatOut);
+
+void RecordDrawModeError(const Context *context, angle::EntryPoint entryPoint, PrimitiveMode mode);
+const char *ValidateDrawElementsStates(const Context *context);
+
+ANGLE_INLINE bool ValidateDrawBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   PrimitiveMode mode)
+{
+    intptr_t drawStatesError = context->getStateCache().getBasicDrawStatesError(context);
+    if (drawStatesError)
+    {
+        const char *errorMessage = reinterpret_cast<const char *>(drawStatesError);
+
+        // All errors from ValidateDrawStates should return INVALID_OPERATION except Framebuffer
+        // Incomplete.
+        bool isFramebufferIncomplete = strcmp(errorMessage, err::kDrawFramebufferIncomplete) == 0;
+        GLenum errorCode =
+            isFramebufferIncomplete ? GL_INVALID_FRAMEBUFFER_OPERATION : GL_INVALID_OPERATION;
+        context->validationError(entryPoint, errorCode, errorMessage);
+        return false;
+    }
+
+    if (!context->getStateCache().isValidDrawMode(mode))
+    {
+        RecordDrawModeError(context, entryPoint, mode);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawArraysInstancedBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     PrimitiveMode mode,
+                                     GLint first,
+                                     GLsizei count,
+                                     GLsizei primcount);
+bool ValidateDrawArraysInstancedANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      PrimitiveMode mode,
+                                      GLint first,
+                                      GLsizei count,
+                                      GLsizei primcount);
+bool ValidateDrawArraysInstancedEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode mode,
+                                    GLint first,
+                                    GLsizei count,
+                                    GLsizei primcount);
+
+bool ValidateDrawElementsInstancedBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode mode,
+                                       GLsizei count,
+                                       DrawElementsType type,
+                                       const void *indices,
+                                       GLsizei primcount);
+bool ValidateDrawElementsInstancedANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        PrimitiveMode mode,
+                                        GLsizei count,
+                                        DrawElementsType type,
+                                        const void *indices,
+                                        GLsizei primcount);
+bool ValidateDrawElementsInstancedEXT(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      PrimitiveMode mode,
+                                      GLsizei count,
+                                      DrawElementsType type,
+                                      const void *indices,
+                                      GLsizei primcount);
+
+bool ValidateDrawInstancedANGLE(const Context *context, angle::EntryPoint entryPoint);
+
+bool ValidateGetUniformBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            ShaderProgramID program,
+                            UniformLocation location);
+bool ValidateSizedGetUniform(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID program,
+                             UniformLocation location,
+                             GLsizei bufSize,
+                             GLsizei *length);
+bool ValidateGetnUniformfvEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLsizei bufSize,
+                              const GLfloat *params);
+bool ValidateGetnUniformfvRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLfloat *params);
+bool ValidateGetnUniformivEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLsizei bufSize,
+                              const GLint *params);
+bool ValidateGetnUniformivRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLint *params);
+bool ValidateGetnUniformuivRobustANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei bufSize,
+                                       const GLsizei *length,
+                                       const GLuint *params);
+bool ValidateGetUniformfvRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformLocation location,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLfloat *params);
+bool ValidateGetUniformivRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformLocation location,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLint *params);
+bool ValidateGetUniformuivRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLuint *params);
+
+bool ValidateDiscardFramebufferBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLsizei numAttachments,
+                                    const GLenum *attachments,
+                                    bool defaultFramebuffer);
+
+bool ValidateInsertEventMarkerEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLsizei length,
+                                  const char *marker);
+bool ValidatePushGroupMarkerEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei length,
+                                const char *marker);
+bool ValidateEGLImageObject(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType type,
+                            GLeglImageOES image);
+bool ValidateEGLImageTargetTexture2DOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType type,
+                                        GLeglImageOES image);
+bool ValidateEGLImageTargetRenderbufferStorageOES(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum target,
+                                                  GLeglImageOES image);
+
+bool ValidateProgramBinaryBase(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               GLenum binaryFormat,
+                               const void *binary,
+                               GLint length);
+bool ValidateGetProgramBinaryBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLenum *binaryFormat,
+                                  const void *binary);
+
+bool ValidateDrawBuffersBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLsizei n,
+                             const GLenum *bufs);
+
+bool ValidateGetBufferPointervBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   BufferBinding target,
+                                   GLenum pname,
+                                   GLsizei *length,
+                                   void *const *params);
+bool ValidateUnmapBufferBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             BufferBinding target);
+bool ValidateMapBufferRangeBase(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                BufferBinding target,
+                                GLintptr offset,
+                                GLsizeiptr length,
+                                GLbitfield access);
+bool ValidateFlushMappedBufferRangeBase(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        BufferBinding target,
+                                        GLintptr offset,
+                                        GLsizeiptr length);
+
+bool ValidateGenOrDelete(const Context *context, angle::EntryPoint entryPoint, GLint n);
+
+bool ValidateRobustEntryPoint(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei bufSize);
+bool ValidateRobustBufferSize(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei bufSize,
+                              GLsizei numParams);
+
+bool ValidateGetFramebufferAttachmentParameterivBase(const Context *context,
+                                                     angle::EntryPoint entryPoint,
+                                                     GLenum target,
+                                                     GLenum attachment,
+                                                     GLenum pname,
+                                                     GLsizei *numParams);
+
+bool ValidateGetFramebufferParameterivBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLenum target,
+                                           GLenum pname,
+                                           const GLint *params);
+
+bool ValidateGetBufferParameterBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferBinding target,
+                                    GLenum pname,
+                                    bool pointerVersion,
+                                    GLsizei *numParams);
+
+bool ValidateGetProgramivBase(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              GLenum pname,
+                              GLsizei *numParams);
+
+bool ValidateGetRenderbufferParameterivBase(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLenum pname,
+                                            GLsizei *length);
+
+bool ValidateGetShaderivBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID shader,
+                             GLenum pname,
+                             GLsizei *length);
+
+bool ValidateGetTexParameterBase(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType target,
+                                 GLenum pname,
+                                 GLsizei *length);
+
+template <typename ParamType>
+bool ValidateTexParameterBase(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureType target,
+                              GLenum pname,
+                              GLsizei bufSize,
+                              bool vectorParams,
+                              const ParamType *params);
+
+bool ValidateGetVertexAttribBase(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint index,
+                                 GLenum pname,
+                                 GLsizei *length,
+                                 bool pointer,
+                                 bool pureIntegerEntryPoint);
+
+ANGLE_INLINE bool ValidateVertexFormat(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint index,
+                                       GLint size,
+                                       VertexAttribTypeCase validation)
+{
+    const Caps &caps = context->getCaps();
+    if (index >= static_cast<GLuint>(caps.maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                 err::kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    switch (validation)
+    {
+        case VertexAttribTypeCase::Invalid:
+            context->validationError(entryPoint, GL_INVALID_ENUM, err::kInvalidType);
+            return false;
+        case VertexAttribTypeCase::Valid:
+            if (size < 1 || size > 4)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, err::kInvalidVertexAttrSize);
+                return false;
+            }
+            break;
+        case VertexAttribTypeCase::ValidSize4Only:
+            if (size != 4)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         err::kInvalidVertexAttribSize2101010);
+                return false;
+            }
+            break;
+        case VertexAttribTypeCase::ValidSize3or4:
+            if (size != 3 && size != 4)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         err::kInvalidVertexAttribSize1010102);
+                return false;
+            }
+            break;
+    }
+
+    return true;
+}
+
+// Note: These byte, short, and int types are all converted to float for the shader.
+ANGLE_INLINE bool ValidateFloatVertexFormat(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLuint index,
+                                            GLint size,
+                                            VertexAttribType type)
+{
+    return ValidateVertexFormat(context, entryPoint, index, size,
+                                context->getStateCache().getVertexAttribTypeValidation(type));
+}
+
+ANGLE_INLINE bool ValidateIntegerVertexFormat(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              GLuint index,
+                                              GLint size,
+                                              VertexAttribType type)
+{
+    return ValidateVertexFormat(
+        context, entryPoint, index, size,
+        context->getStateCache().getIntegerVertexAttribTypeValidation(type));
+}
+
+bool ValidateWebGLFramebufferAttachmentClearType(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 GLint drawbuffer,
+                                                 const GLenum *validComponentTypes,
+                                                 size_t validComponentTypeCount);
+
+bool ValidateRobustCompressedTexImageBase(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLsizei imageSize,
+                                          GLsizei dataSize);
+
+bool ValidateVertexAttribIndex(const Context *context, angle::EntryPoint entryPoint, GLuint index);
+
+bool ValidateGetActiveUniformBlockivBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         UniformBlockIndex uniformBlockIndex,
+                                         GLenum pname,
+                                         GLsizei *length);
+
+bool ValidateGetSamplerParameterBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID sampler,
+                                     GLenum pname,
+                                     GLsizei *length);
+
+template <typename ParamType>
+bool ValidateSamplerParameterBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  SamplerID sampler,
+                                  GLenum pname,
+                                  GLsizei bufSize,
+                                  bool vectorParams,
+                                  const ParamType *params);
+
+bool ValidateGetInternalFormativBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum internalformat,
+                                     GLenum pname,
+                                     GLsizei bufSize,
+                                     GLsizei *numParams);
+
+bool ValidateFramebufferNotMultisampled(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        const Framebuffer *framebuffer,
+                                        bool checkReadBufferResourceSamples);
+
+bool ValidateMultitextureUnit(const Context *context, angle::EntryPoint entryPoint, GLenum texture);
+
+bool ValidateTransformFeedbackPrimitiveMode(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode transformFeedbackPrimitiveMode,
+                                            PrimitiveMode renderPrimitiveMode);
+
+// Common validation for 2D and 3D variants of TexStorage*Multisample.
+bool ValidateTexStorageMultisample(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureType target,
+                                   GLsizei samples,
+                                   GLint internalFormat,
+                                   GLsizei width,
+                                   GLsizei height);
+
+bool ValidateTexStorage2DMultisampleBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType target,
+                                         GLsizei samples,
+                                         GLint internalFormat,
+                                         GLsizei width,
+                                         GLsizei height);
+
+bool ValidateGetTexLevelParameterBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      TextureTarget target,
+                                      GLint level,
+                                      GLenum pname,
+                                      GLsizei *length);
+
+bool ValidateMapBufferBase(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           BufferBinding target);
+bool ValidateIndexedStateQuery(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum pname,
+                               GLuint index,
+                               GLsizei *length);
+bool ValidateES3TexImage2DParameters(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLenum internalformat,
+                                     bool isCompressed,
+                                     bool isSubImage,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLint zoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type,
+                                     GLsizei imageSize,
+                                     const void *pixels);
+bool ValidateES3CopyTexImage2DParameters(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureTarget target,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         bool isSubImage,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLint zoffset,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLint border);
+bool ValidateES3TexStorageParametersBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType target,
+                                         GLsizei levels,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth);
+bool ValidateES3TexStorage2DParameters(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType target,
+                                       GLsizei levels,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth);
+bool ValidateES3TexStorage3DParameters(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType target,
+                                       GLsizei levels,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth);
+
+bool ValidateGetMultisamplefvBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum pname,
+                                  GLuint index,
+                                  const GLfloat *val);
+bool ValidateSampleMaskiBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint maskNumber,
+                             GLbitfield mask);
+
+bool ValidateProgramExecutableXFBBuffersPresent(const Context *context,
+                                                const ProgramExecutable *programExecutable);
+
+// We should check with Khronos if returning INVALID_FRAMEBUFFER_OPERATION is OK when querying
+// implementation format info for incomplete framebuffers. It seems like these queries are
+// incongruent with the other errors.
+// Inlined for speed.
+template <GLenum ErrorCode = GL_INVALID_FRAMEBUFFER_OPERATION>
+ANGLE_INLINE bool ValidateFramebufferComplete(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              const Framebuffer *framebuffer)
+{
+    const FramebufferStatus &framebufferStatus = framebuffer->checkStatus(context);
+    if (!framebufferStatus.isComplete())
+    {
+        ASSERT(framebufferStatus.reason != nullptr);
+        context->validationError(entryPoint, ErrorCode, framebufferStatus.reason);
+        return false;
+    }
+
+    return true;
+}
+
+const char *ValidateProgramPipelineDrawStates(const State &state,
+                                              const Extensions &extensions,
+                                              ProgramPipeline *programPipeline);
+const char *ValidateProgramPipelineAttachedPrograms(ProgramPipeline *programPipeline);
+const char *ValidateDrawStates(const Context *context);
+const char *ValidateProgramPipeline(const Context *context);
+
+void RecordDrawAttribsError(const Context *context, angle::EntryPoint entryPoint);
+
+ANGLE_INLINE bool ValidateDrawAttribs(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      int64_t maxVertex)
+{
+    if (maxVertex > context->getStateCache().getNonInstancedVertexElementLimit())
+    {
+        RecordDrawAttribsError(context, entryPoint);
+        return false;
+    }
+
+    return true;
+}
+
+ANGLE_INLINE bool ValidateDrawArraysAttribs(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLint first,
+                                            GLsizei count)
+{
+    if (!context->isBufferAccessValidationEnabled())
+    {
+        return true;
+    }
+
+    // Check the computation of maxVertex doesn't overflow.
+    // - first < 0 has been checked as an error condition.
+    // - if count <= 0, skip validating no-op draw calls.
+    // From this we know maxVertex will be positive, and only need to check if it overflows GLint.
+    ASSERT(first >= 0);
+    ASSERT(count > 0);
+    int64_t maxVertex = static_cast<int64_t>(first) + static_cast<int64_t>(count) - 1;
+    if (maxVertex > static_cast<int64_t>(std::numeric_limits<GLint>::max()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, err::kIntegerOverflow);
+        return false;
+    }
+
+    return ValidateDrawAttribs(context, entryPoint, maxVertex);
+}
+
+ANGLE_INLINE bool ValidateDrawInstancedAttribs(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               GLint primcount)
+{
+    if (!context->isBufferAccessValidationEnabled())
+    {
+        return true;
+    }
+
+    if ((primcount - 1) > context->getStateCache().getInstancedVertexElementLimit())
+    {
+        RecordDrawAttribsError(context, entryPoint);
+        return false;
+    }
+
+    return true;
+}
+
+ANGLE_INLINE bool ValidateDrawArraysCommon(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           PrimitiveMode mode,
+                                           GLint first,
+                                           GLsizei count,
+                                           GLsizei primcount)
+{
+    if (first < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, err::kNegativeStart);
+        return false;
+    }
+
+    if (count <= 0)
+    {
+        if (count < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, err::kNegativeCount);
+            return false;
+        }
+
+        // Early exit.
+        return ValidateDrawBase(context, entryPoint, mode);
+    }
+
+    if (primcount <= 0)
+    {
+        if (primcount < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, err::kNegativeCount);
+            return false;
+        }
+        // Early exit.
+        return ValidateDrawBase(context, entryPoint, mode);
+    }
+
+    if (!ValidateDrawBase(context, entryPoint, mode))
+    {
+        return false;
+    }
+
+    if (context->getStateCache().isTransformFeedbackActiveUnpaused() &&
+        !context->supportsGeometryOrTesselation())
+    {
+        const State &state                      = context->getState();
+        TransformFeedback *curTransformFeedback = state.getCurrentTransformFeedback();
+        if (!curTransformFeedback->checkBufferSpaceForDraw(count, primcount))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     err::kTransformFeedbackBufferTooSmall);
+            return false;
+        }
+    }
+
+    return ValidateDrawArraysAttribs(context, entryPoint, first, count);
+}
+
+ANGLE_INLINE bool ValidateDrawElementsBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           PrimitiveMode mode,
+                                           DrawElementsType type)
+{
+    if (!context->getStateCache().isValidDrawElementsType(type))
+    {
+        if (type == DrawElementsType::UnsignedInt)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, err::kTypeNotUnsignedShortByte);
+            return false;
+        }
+
+        ASSERT(type == DrawElementsType::InvalidEnum);
+        context->validationErrorF(entryPoint, GL_INVALID_ENUM, err::kEnumInvalid);
+        return false;
+    }
+
+    intptr_t drawElementsError = context->getStateCache().getBasicDrawElementsError(context);
+    if (drawElementsError)
+    {
+        // All errors from ValidateDrawElementsStates return INVALID_OPERATION.
+        const char *errorMessage = reinterpret_cast<const char *>(drawElementsError);
+        context->validationError(entryPoint, GL_INVALID_OPERATION, errorMessage);
+        return false;
+    }
+
+    // Note that we are missing overflow checks for active transform feedback buffers.
+    return true;
+}
+
+ANGLE_INLINE bool ValidateDrawElementsCommon(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             PrimitiveMode mode,
+                                             GLsizei count,
+                                             DrawElementsType type,
+                                             const void *indices,
+                                             GLsizei primcount)
+{
+    if (!ValidateDrawElementsBase(context, entryPoint, mode, type))
+    {
+        return false;
+    }
+
+    ASSERT(isPow2(GetDrawElementsTypeSize(type)) && GetDrawElementsTypeSize(type) > 0);
+
+    if (context->isWebGL())
+    {
+        GLuint typeBytes = GetDrawElementsTypeSize(type);
+
+        if ((reinterpret_cast<uintptr_t>(indices) & static_cast<uintptr_t>(typeBytes - 1)) != 0)
+        {
+            // [WebGL 1.0] Section 6.4 Buffer Offset and Stride Requirements
+            // The offset arguments to drawElements and [...], must be a multiple of the size of the
+            // data type passed to the call, or an INVALID_OPERATION error is generated.
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     err::kOffsetMustBeMultipleOfType);
+            return false;
+        }
+
+        // [WebGL 1.0] Section 6.4 Buffer Offset and Stride Requirements
+        // In addition the offset argument to drawElements must be non-negative or an INVALID_VALUE
+        // error is generated.
+        if (reinterpret_cast<intptr_t>(indices) < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, err::kNegativeOffset);
+            return false;
+        }
+    }
+
+    if (count <= 0)
+    {
+        if (count < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, err::kNegativeCount);
+            return false;
+        }
+
+        // Early exit.
+        return ValidateDrawBase(context, entryPoint, mode);
+    }
+
+    if (!ValidateDrawBase(context, entryPoint, mode))
+    {
+        return false;
+    }
+
+    const State &state         = context->getState();
+    const VertexArray *vao     = state.getVertexArray();
+    Buffer *elementArrayBuffer = vao->getElementArrayBuffer();
+
+    if (!elementArrayBuffer)
+    {
+        if (!indices)
+        {
+            // This is an application error that would normally result in a crash, but we catch
+            // it and return an error
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     err::kElementArrayNoBufferOrPointer);
+            return false;
+        }
+    }
+    else
+    {
+        // The max possible type size is 8 and count is on 32 bits so doing the multiplication
+        // in a 64 bit integer is safe. Also we are guaranteed that here count > 0.
+        static_assert(std::is_same<int, GLsizei>::value, "GLsizei isn't the expected type");
+        constexpr uint64_t kMaxTypeSize = 8;
+        constexpr uint64_t kIntMax      = std::numeric_limits<int>::max();
+        constexpr uint64_t kUint64Max   = std::numeric_limits<uint64_t>::max();
+        static_assert(kIntMax < kUint64Max / kMaxTypeSize, "");
+
+        uint64_t elementCount = static_cast<uint64_t>(count);
+        ASSERT(elementCount > 0 && GetDrawElementsTypeSize(type) <= kMaxTypeSize);
+
+        // Doing the multiplication here is overflow-safe
+        uint64_t elementDataSizeNoOffset = elementCount << GetDrawElementsTypeShift(type);
+
+        // The offset can be any value, check for overflows
+        uint64_t offset = static_cast<uint64_t>(reinterpret_cast<uintptr_t>(indices));
+        uint64_t elementDataSizeWithOffset = elementDataSizeNoOffset + offset;
+        if (elementDataSizeWithOffset < elementDataSizeNoOffset)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, err::kIntegerOverflow);
+            return false;
+        }
+
+        // Related to possible test bug: https://github.com/KhronosGroup/WebGL/issues/3064
+        if ((elementDataSizeWithOffset > static_cast<uint64_t>(elementArrayBuffer->getSize())) &&
+            (primcount > 0))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     err::kInsufficientBufferSize);
+            return false;
+        }
+    }
+
+    if (context->isBufferAccessValidationEnabled() && primcount > 0)
+    {
+        // Use the parameter buffer to retrieve and cache the index range.
+        IndexRange indexRange{IndexRange::Undefined()};
+        ANGLE_VALIDATION_TRY(vao->getIndexRange(context, type, count, indices, &indexRange));
+
+        // If we use an index greater than our maximum supported index range, return an error.
+        // The ES3 spec does not specify behaviour here, it is undefined, but ANGLE should
+        // always return an error if possible here.
+        if (static_cast<GLint64>(indexRange.end) >= context->getCaps().maxElementIndex)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, err::kExceedsMaxElement);
+            return false;
+        }
+
+        if (!ValidateDrawAttribs(context, entryPoint, static_cast<GLint>(indexRange.end)))
+        {
+            return false;
+        }
+
+        // No op if there are no real indices in the index data (all are primitive restart).
+        return (indexRange.vertexIndexCount > 0);
+    }
+
+    return true;
+}
+
+ANGLE_INLINE bool ValidateBindVertexArrayBase(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              VertexArrayID array)
+{
+    if (!context->isVertexArrayGenerated(array))
+    {
+        // The default VAO should always exist
+        ASSERT(array.value != 0);
+        context->validationError(entryPoint, GL_INVALID_OPERATION, err::kInvalidVertexArray);
+        return false;
+    }
+
+    return true;
+}
+
+ANGLE_INLINE bool ValidateVertexAttribIndex(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLuint index)
+{
+    if (index >= static_cast<GLuint>(context->getCaps().maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                 err::kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLogicOpCommon(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           LogicalOperation opcodePacked);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES1.cpp b/gfx/angle/checkout/src/libANGLE/validationES1.cpp
new file mode 100644
index 0000000000..f872689492
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES1.cpp
@@ -0,0 +1,2129 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationES1.cpp: Validation functions for OpenGL ES 1.0 entry point parameters
+
+#include "libANGLE/validationES1_autogen.h"
+
+#include "common/debug.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/GLES1State.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/queryutils.h"
+#include "libANGLE/validationES.h"
+
+#define ANGLE_VALIDATE_IS_GLES1(context, entryPoint)                                            \
+    do                                                                                          \
+    {                                                                                           \
+        if (context->getClientType() != EGL_OPENGL_API && context->getClientMajorVersion() > 1) \
+        {                                                                                       \
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kGLES1Only);             \
+            return false;                                                                       \
+        }                                                                                       \
+    } while (0)
+
+namespace gl
+{
+using namespace err;
+
+bool ValidateAlphaFuncCommon(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             AlphaTestFunc func)
+{
+    switch (func)
+    {
+        case AlphaTestFunc::AlwaysPass:
+        case AlphaTestFunc::Equal:
+        case AlphaTestFunc::Gequal:
+        case AlphaTestFunc::Greater:
+        case AlphaTestFunc::Lequal:
+        case AlphaTestFunc::Less:
+        case AlphaTestFunc::Never:
+        case AlphaTestFunc::NotEqual:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kEnumInvalid);
+            return false;
+    }
+}
+
+bool ValidateClientStateCommon(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ClientVertexArrayType arrayType)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    switch (arrayType)
+    {
+        case ClientVertexArrayType::Vertex:
+        case ClientVertexArrayType::Normal:
+        case ClientVertexArrayType::Color:
+        case ClientVertexArrayType::TextureCoord:
+            return true;
+        case ClientVertexArrayType::PointSize:
+            if (!context->getExtensions().pointSizeArrayOES)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kPointSizeArrayExtensionNotEnabled);
+                return false;
+            }
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidClientState);
+            return false;
+    }
+}
+
+bool ValidateBuiltinVertexAttributeCommon(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ClientVertexArrayType arrayType,
+                                          GLint size,
+                                          VertexAttribType type,
+                                          GLsizei stride,
+                                          const void *pointer)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (stride < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidVertexPointerStride);
+        return false;
+    }
+
+    int minSize = 1;
+    int maxSize = 4;
+
+    switch (arrayType)
+    {
+        case ClientVertexArrayType::Vertex:
+        case ClientVertexArrayType::TextureCoord:
+            minSize = 2;
+            maxSize = 4;
+            break;
+        case ClientVertexArrayType::Normal:
+            minSize = 3;
+            maxSize = 3;
+            break;
+        case ClientVertexArrayType::Color:
+            minSize = 4;
+            maxSize = 4;
+            break;
+        case ClientVertexArrayType::PointSize:
+            if (!context->getExtensions().pointSizeArrayOES)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kPointSizeArrayExtensionNotEnabled);
+                return false;
+            }
+
+            minSize = 1;
+            maxSize = 1;
+            break;
+        default:
+            UNREACHABLE();
+            return false;
+    }
+
+    if (size < minSize || size > maxSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidVertexPointerSize);
+        return false;
+    }
+
+    switch (type)
+    {
+        case VertexAttribType::Byte:
+            if (arrayType == ClientVertexArrayType::PointSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidVertexPointerType);
+                return false;
+            }
+            break;
+        case VertexAttribType::Short:
+            if (arrayType == ClientVertexArrayType::PointSize ||
+                arrayType == ClientVertexArrayType::Color)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidVertexPointerType);
+                return false;
+            }
+            break;
+        case VertexAttribType::Fixed:
+        case VertexAttribType::Float:
+            break;
+        case VertexAttribType::UnsignedByte:
+            if (arrayType != ClientVertexArrayType::Color)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidVertexPointerType);
+                return false;
+            }
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidVertexPointerType);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateLightCaps(const Context *context, angle::EntryPoint entryPoint, GLenum light)
+{
+    if (light < GL_LIGHT0 || light >= GL_LIGHT0 + context->getCaps().maxLights)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidLight);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLightCommon(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum light,
+                         LightParameter pname,
+                         const GLfloat *params)
+{
+
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (!ValidateLightCaps(context, entryPoint, light))
+    {
+        return false;
+    }
+
+    switch (pname)
+    {
+        case LightParameter::Ambient:
+        case LightParameter::Diffuse:
+        case LightParameter::Specular:
+        case LightParameter::Position:
+        case LightParameter::SpotDirection:
+            return true;
+        case LightParameter::SpotExponent:
+            if (params[0] < 0.0f || params[0] > 128.0f)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kLightParameterOutOfRange);
+                return false;
+            }
+            return true;
+        case LightParameter::SpotCutoff:
+            if (params[0] == 180.0f)
+            {
+                return true;
+            }
+            if (params[0] < 0.0f || params[0] > 90.0f)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kLightParameterOutOfRange);
+                return false;
+            }
+            return true;
+        case LightParameter::ConstantAttenuation:
+        case LightParameter::LinearAttenuation:
+        case LightParameter::QuadraticAttenuation:
+            if (params[0] < 0.0f)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kLightParameterOutOfRange);
+                return false;
+            }
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidLightParameter);
+            return false;
+    }
+}
+
+bool ValidateLightSingleComponent(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum light,
+                                  LightParameter pname,
+                                  GLfloat param)
+{
+    if (!ValidateLightCommon(context, entryPoint, light, pname, &param))
+    {
+        return false;
+    }
+
+    if (GetLightParameterCount(pname) > 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidLightParameter);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateMaterialCommon(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum face,
+                            MaterialParameter pname,
+                            const GLfloat *params)
+{
+    switch (pname)
+    {
+        case MaterialParameter::Ambient:
+        case MaterialParameter::AmbientAndDiffuse:
+        case MaterialParameter::Diffuse:
+        case MaterialParameter::Specular:
+        case MaterialParameter::Emission:
+            return true;
+        case MaterialParameter::Shininess:
+            if (params[0] < 0.0f || params[0] > 128.0f)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kMaterialParameterOutOfRange);
+                return false;
+            }
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMaterialParameter);
+            return false;
+    }
+}
+
+bool ValidateMaterialSetting(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum face,
+                             MaterialParameter pname,
+                             const GLfloat *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (face != GL_FRONT_AND_BACK)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMaterialFace);
+        return false;
+    }
+
+    return ValidateMaterialCommon(context, entryPoint, face, pname, params);
+}
+
+bool ValidateMaterialQuery(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           MaterialParameter pname)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (face != GL_FRONT && face != GL_BACK)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMaterialFace);
+        return false;
+    }
+
+    GLfloat validateParams[4] = {0.0f, 0.0f, 0.0f, 0.0f};
+
+    return ValidateMaterialCommon(context, entryPoint, face, pname, validateParams);
+}
+
+bool ValidateMaterialSingleComponent(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum face,
+                                     MaterialParameter pname,
+                                     GLfloat param)
+{
+    if (!ValidateMaterialSetting(context, entryPoint, face, pname, &param))
+    {
+        return false;
+    }
+
+    if (GetMaterialParameterCount(pname) > 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMaterialParameter);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLightModelCommon(const Context *context, angle::EntryPoint entryPoint, GLenum pname)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    switch (pname)
+    {
+        case GL_LIGHT_MODEL_AMBIENT:
+        case GL_LIGHT_MODEL_TWO_SIDE:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidLightModelParameter);
+            return false;
+    }
+}
+
+bool ValidateLightModelSingleComponent(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum pname)
+{
+    if (!ValidateLightModelCommon(context, entryPoint, pname))
+    {
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_LIGHT_MODEL_TWO_SIDE:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidLightModelParameter);
+            return false;
+    }
+}
+
+bool ValidateClipPlaneCommon(const Context *context, angle::EntryPoint entryPoint, GLenum plane)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (plane < GL_CLIP_PLANE0 || plane >= GL_CLIP_PLANE0 + context->getCaps().maxClipPlanes)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidClipPlane);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFogCommon(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum pname,
+                       const GLfloat *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    switch (pname)
+    {
+        case GL_FOG_MODE:
+        {
+            GLenum modeParam = static_cast<GLenum>(params[0]);
+            switch (modeParam)
+            {
+                case GL_EXP:
+                case GL_EXP2:
+                case GL_LINEAR:
+                    return true;
+                default:
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFogMode);
+                    return false;
+            }
+        }
+        case GL_FOG_START:
+        case GL_FOG_END:
+        case GL_FOG_COLOR:
+            break;
+        case GL_FOG_DENSITY:
+            if (params[0] < 0.0f)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFogDensity);
+                return false;
+            }
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFogParameter);
+            return false;
+    }
+    return true;
+}
+
+bool ValidateTexEnvCommon(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureEnvTarget target,
+                          TextureEnvParameter pname,
+                          const GLfloat *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    switch (target)
+    {
+        case TextureEnvTarget::Env:
+            switch (pname)
+            {
+                case TextureEnvParameter::Mode:
+                {
+                    TextureEnvMode mode = FromGLenum<TextureEnvMode>(ConvertToGLenum(params[0]));
+                    switch (mode)
+                    {
+                        case TextureEnvMode::Add:
+                        case TextureEnvMode::Blend:
+                        case TextureEnvMode::Combine:
+                        case TextureEnvMode::Decal:
+                        case TextureEnvMode::Modulate:
+                        case TextureEnvMode::Replace:
+                            break;
+                        default:
+                            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                                     kInvalidTextureEnvMode);
+                            return false;
+                    }
+                    break;
+                }
+                case TextureEnvParameter::CombineRgb:
+                case TextureEnvParameter::CombineAlpha:
+                {
+                    TextureCombine combine = FromGLenum<TextureCombine>(ConvertToGLenum(params[0]));
+                    switch (combine)
+                    {
+                        case TextureCombine::Add:
+                        case TextureCombine::AddSigned:
+                        case TextureCombine::Interpolate:
+                        case TextureCombine::Modulate:
+                        case TextureCombine::Replace:
+                        case TextureCombine::Subtract:
+                            break;
+                        case TextureCombine::Dot3Rgb:
+                        case TextureCombine::Dot3Rgba:
+                            if (pname == TextureEnvParameter::CombineAlpha)
+                            {
+                                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                                         kInvalidTextureCombine);
+                                return false;
+                            }
+                            break;
+                        default:
+                            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                                     kInvalidTextureCombine);
+                            return false;
+                    }
+                    break;
+                }
+                case TextureEnvParameter::Src0Rgb:
+                case TextureEnvParameter::Src1Rgb:
+                case TextureEnvParameter::Src2Rgb:
+                case TextureEnvParameter::Src0Alpha:
+                case TextureEnvParameter::Src1Alpha:
+                case TextureEnvParameter::Src2Alpha:
+                {
+                    TextureSrc combine = FromGLenum<TextureSrc>(ConvertToGLenum(params[0]));
+                    switch (combine)
+                    {
+                        case TextureSrc::Constant:
+                        case TextureSrc::Previous:
+                        case TextureSrc::PrimaryColor:
+                        case TextureSrc::Texture:
+                            break;
+                        default:
+                            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                                     kInvalidTextureCombineSrc);
+                            return false;
+                    }
+                    break;
+                }
+                case TextureEnvParameter::Op0Rgb:
+                case TextureEnvParameter::Op1Rgb:
+                case TextureEnvParameter::Op2Rgb:
+                case TextureEnvParameter::Op0Alpha:
+                case TextureEnvParameter::Op1Alpha:
+                case TextureEnvParameter::Op2Alpha:
+                {
+                    TextureOp operand = FromGLenum<TextureOp>(ConvertToGLenum(params[0]));
+                    switch (operand)
+                    {
+                        case TextureOp::SrcAlpha:
+                        case TextureOp::OneMinusSrcAlpha:
+                            break;
+                        case TextureOp::SrcColor:
+                        case TextureOp::OneMinusSrcColor:
+                            if (pname == TextureEnvParameter::Op0Alpha ||
+                                pname == TextureEnvParameter::Op1Alpha ||
+                                pname == TextureEnvParameter::Op2Alpha)
+                            {
+                                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                                         kInvalidTextureCombine);
+                                return false;
+                            }
+                            break;
+                        default:
+                            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                                     kInvalidTextureCombineOp);
+                            return false;
+                    }
+                    break;
+                }
+                case TextureEnvParameter::RgbScale:
+                case TextureEnvParameter::AlphaScale:
+                    if (params[0] != 1.0f && params[0] != 2.0f && params[0] != 4.0f)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                                 kInvalidTextureEnvScale);
+                        return false;
+                    }
+                    break;
+                case TextureEnvParameter::Color:
+                    break;
+                default:
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kInvalidTextureEnvParameter);
+                    return false;
+            }
+            break;
+        case TextureEnvTarget::PointSprite:
+            if (!context->getExtensions().pointSpriteOES)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureEnvTarget);
+                return false;
+            }
+            switch (pname)
+            {
+                case TextureEnvParameter::PointCoordReplace:
+                    break;
+                default:
+                    context->validationError(entryPoint, GL_INVALID_ENUM,
+                                             kInvalidTextureEnvParameter);
+                    return false;
+            }
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureEnvTarget);
+            return false;
+    }
+    return true;
+}
+
+bool ValidateGetTexEnvCommon(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureEnvTarget target,
+                             TextureEnvParameter pname)
+{
+    GLfloat validateParams[4] = {};
+    switch (pname)
+    {
+        case TextureEnvParameter::Mode:
+            ConvertPackedEnum(TextureEnvMode::Add, validateParams);
+            break;
+        case TextureEnvParameter::CombineRgb:
+        case TextureEnvParameter::CombineAlpha:
+            ConvertPackedEnum(TextureCombine::Add, validateParams);
+            break;
+        case TextureEnvParameter::Src0Rgb:
+        case TextureEnvParameter::Src1Rgb:
+        case TextureEnvParameter::Src2Rgb:
+        case TextureEnvParameter::Src0Alpha:
+        case TextureEnvParameter::Src1Alpha:
+        case TextureEnvParameter::Src2Alpha:
+            ConvertPackedEnum(TextureSrc::Constant, validateParams);
+            break;
+        case TextureEnvParameter::Op0Rgb:
+        case TextureEnvParameter::Op1Rgb:
+        case TextureEnvParameter::Op2Rgb:
+        case TextureEnvParameter::Op0Alpha:
+        case TextureEnvParameter::Op1Alpha:
+        case TextureEnvParameter::Op2Alpha:
+            ConvertPackedEnum(TextureOp::SrcAlpha, validateParams);
+            break;
+        case TextureEnvParameter::RgbScale:
+        case TextureEnvParameter::AlphaScale:
+        case TextureEnvParameter::PointCoordReplace:
+            validateParams[0] = 1.0f;
+            break;
+        default:
+            break;
+    }
+
+    return ValidateTexEnvCommon(context, entryPoint, target, pname, validateParams);
+}
+
+bool ValidatePointParameterCommon(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  PointParameter pname,
+                                  const GLfloat *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    switch (pname)
+    {
+        case PointParameter::PointSizeMin:
+        case PointParameter::PointSizeMax:
+        case PointParameter::PointFadeThresholdSize:
+        case PointParameter::PointDistanceAttenuation:
+            for (unsigned int i = 0; i < GetPointParameterCount(pname); i++)
+            {
+                if (params[i] < 0.0f)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kInvalidPointParameterValue);
+                    return false;
+                }
+            }
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPointParameter);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidatePointSizeCommon(const Context *context, angle::EntryPoint entryPoint, GLfloat size)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (size <= 0.0f)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPointSizeValue);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawTexCommon(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           float width,
+                           float height)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (width <= 0.0f || height <= 0.0f)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNonPositiveDrawTextureDimension);
+        return false;
+    }
+
+    return true;
+}
+
+}  // namespace gl
+
+namespace gl
+{
+
+bool ValidateAlphaFunc(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       AlphaTestFunc func,
+                       GLfloat ref)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateAlphaFuncCommon(context, entryPoint, func);
+}
+
+bool ValidateAlphaFuncx(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        AlphaTestFunc func,
+                        GLfixed ref)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateAlphaFuncCommon(context, entryPoint, func);
+}
+
+bool ValidateClearColorx(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfixed red,
+                         GLfixed green,
+                         GLfixed blue,
+                         GLfixed alpha)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateClearDepthx(const Context *context, angle::EntryPoint entryPoint, GLfixed depth)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateClientActiveTexture(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum texture)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateMultitextureUnit(context, entryPoint, texture);
+}
+
+bool ValidateClipPlanef(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum plane,
+                        const GLfloat *eqn)
+{
+    return ValidateClipPlaneCommon(context, entryPoint, plane);
+}
+
+bool ValidateClipPlanex(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum plane,
+                        const GLfixed *equation)
+{
+    return ValidateClipPlaneCommon(context, entryPoint, plane);
+}
+
+bool ValidateColor4f(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfloat red,
+                     GLfloat green,
+                     GLfloat blue,
+                     GLfloat alpha)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateColor4ub(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLubyte red,
+                      GLubyte green,
+                      GLubyte blue,
+                      GLubyte alpha)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateColor4x(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfixed red,
+                     GLfixed green,
+                     GLfixed blue,
+                     GLfixed alpha)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateColorPointer(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLint size,
+                          VertexAttribType type,
+                          GLsizei stride,
+                          const void *pointer)
+{
+    return ValidateBuiltinVertexAttributeCommon(context, entryPoint, ClientVertexArrayType::Color,
+                                                size, type, stride, pointer);
+}
+
+bool ValidateCullFace(const Context *context, angle::EntryPoint entryPoint, GLenum mode)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateDepthRangex(const Context *context, angle::EntryPoint entryPoint, GLfixed n, GLfixed f)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    if (context->isWebGL() && n > f)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidDepthRange);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDisableClientState(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ClientVertexArrayType arrayType)
+{
+    return ValidateClientStateCommon(context, entryPoint, arrayType);
+}
+
+bool ValidateEnableClientState(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ClientVertexArrayType arrayType)
+{
+    return ValidateClientStateCommon(context, entryPoint, arrayType);
+}
+
+bool ValidateFogf(const Context *context, angle::EntryPoint entryPoint, GLenum pname, GLfloat param)
+{
+    return ValidateFogCommon(context, entryPoint, pname, &param);
+}
+
+bool ValidateFogfv(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum pname,
+                   const GLfloat *params)
+{
+    return ValidateFogCommon(context, entryPoint, pname, params);
+}
+
+bool ValidateFogx(const Context *context, angle::EntryPoint entryPoint, GLenum pname, GLfixed param)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    GLfloat asFloat =
+        pname == GL_FOG_MODE ? static_cast<GLfloat>(param) : ConvertFixedToFloat(param);
+    return ValidateFogCommon(context, entryPoint, pname, &asFloat);
+}
+
+bool ValidateFogxv(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum pname,
+                   const GLfixed *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    unsigned int paramCount = GetFogParameterCount(pname);
+    GLfloat paramsf[4]      = {};
+
+    if (pname == GL_FOG_MODE)
+    {
+        paramsf[0] = static_cast<GLfloat>(params[0]);
+    }
+    else
+    {
+        for (unsigned int i = 0; i < paramCount; i++)
+        {
+            paramsf[i] = ConvertFixedToFloat(params[i]);
+        }
+    }
+
+    return ValidateFogCommon(context, entryPoint, pname, paramsf);
+}
+
+bool ValidateFrustumf(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfloat l,
+                      GLfloat r,
+                      GLfloat b,
+                      GLfloat t,
+                      GLfloat n,
+                      GLfloat f)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    if (l == r || b == t || n == f || n <= 0.0f || f <= 0.0f)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProjectionMatrix);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateFrustumx(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfixed l,
+                      GLfixed r,
+                      GLfixed b,
+                      GLfixed t,
+                      GLfixed n,
+                      GLfixed f)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    if (l == r || b == t || n == f || n <= 0 || f <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProjectionMatrix);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateGetBufferParameteriv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLenum pname,
+                                  const GLint *params)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateGetClipPlanef(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum plane,
+                           const GLfloat *equation)
+{
+    return ValidateClipPlaneCommon(context, entryPoint, plane);
+}
+
+bool ValidateGetClipPlanex(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum plane,
+                           const GLfixed *equation)
+{
+    return ValidateClipPlaneCommon(context, entryPoint, plane);
+}
+
+bool ValidateGetFixedv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum pname,
+                       const GLfixed *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    GLenum nativeType;
+    unsigned int numParams = 0;
+    return ValidateStateQuery(context, entryPoint, pname, &nativeType, &numParams);
+}
+
+bool ValidateGetLightfv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum light,
+                        LightParameter pname,
+                        const GLfloat *params)
+{
+    GLfloat validateParams[4] = {0.0f, 0.0f, 0.0f, 0.0f};
+    return ValidateLightCommon(context, entryPoint, light, pname, validateParams);
+}
+
+bool ValidateGetLightxv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum light,
+                        LightParameter pname,
+                        const GLfixed *params)
+{
+    GLfloat validateParams[4] = {0.0f, 0.0f, 0.0f, 0.0f};
+    return ValidateLightCommon(context, entryPoint, light, pname, validateParams);
+}
+
+bool ValidateGetMaterialfv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           MaterialParameter pname,
+                           const GLfloat *params)
+{
+    return ValidateMaterialQuery(context, entryPoint, face, pname);
+}
+
+bool ValidateGetMaterialxv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           MaterialParameter pname,
+                           const GLfixed *params)
+{
+    return ValidateMaterialQuery(context, entryPoint, face, pname);
+}
+
+bool ValidateGetTexEnvfv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureEnvTarget target,
+                         TextureEnvParameter pname,
+                         const GLfloat *params)
+{
+    return ValidateGetTexEnvCommon(context, entryPoint, target, pname);
+}
+
+bool ValidateGetTexEnviv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureEnvTarget target,
+                         TextureEnvParameter pname,
+                         const GLint *params)
+{
+    return ValidateGetTexEnvCommon(context, entryPoint, target, pname);
+}
+
+bool ValidateGetTexEnvxv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureEnvTarget target,
+                         TextureEnvParameter pname,
+                         const GLfixed *params)
+{
+    return ValidateGetTexEnvCommon(context, entryPoint, target, pname);
+}
+
+bool ValidateGetTexParameterxv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType target,
+                               GLenum pname,
+                               const GLfixed *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+
+    if (!ValidateGetTexParameterBase(context, entryPoint, target, pname, nullptr))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLightModelf(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLfloat param)
+{
+    return ValidateLightModelSingleComponent(context, entryPoint, pname);
+}
+
+bool ValidateLightModelfv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum pname,
+                          const GLfloat *params)
+{
+    return ValidateLightModelCommon(context, entryPoint, pname);
+}
+
+bool ValidateLightModelx(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLfixed param)
+{
+    return ValidateLightModelSingleComponent(context, entryPoint, pname);
+}
+
+bool ValidateLightModelxv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum pname,
+                          const GLfixed *param)
+{
+    return ValidateLightModelCommon(context, entryPoint, pname);
+}
+
+bool ValidateLightf(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLenum light,
+                    LightParameter pname,
+                    GLfloat param)
+{
+    return ValidateLightSingleComponent(context, entryPoint, light, pname, param);
+}
+
+bool ValidateLightfv(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum light,
+                     LightParameter pname,
+                     const GLfloat *params)
+{
+    return ValidateLightCommon(context, entryPoint, light, pname, params);
+}
+
+bool ValidateLightx(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLenum light,
+                    LightParameter pname,
+                    GLfixed param)
+{
+    return ValidateLightSingleComponent(context, entryPoint, light, pname,
+                                        ConvertFixedToFloat(param));
+}
+
+bool ValidateLightxv(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum light,
+                     LightParameter pname,
+                     const GLfixed *params)
+{
+    GLfloat paramsf[4];
+    for (unsigned int i = 0; i < GetLightParameterCount(pname); i++)
+    {
+        paramsf[i] = ConvertFixedToFloat(params[i]);
+    }
+
+    return ValidateLightCommon(context, entryPoint, light, pname, paramsf);
+}
+
+bool ValidateLineWidthx(const Context *context, angle::EntryPoint entryPoint, GLfixed width)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    if (width <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidWidth);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLoadIdentity(const Context *context, angle::EntryPoint entryPoint)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateLoadMatrixf(const Context *context, angle::EntryPoint entryPoint, const GLfloat *m)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateLoadMatrixx(const Context *context, angle::EntryPoint entryPoint, const GLfixed *m)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateLogicOp(const Context *context, angle::EntryPoint entryPoint, LogicalOperation opcode)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateLogicOpCommon(context, entryPoint, opcode);
+}
+
+bool ValidateMaterialf(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum face,
+                       MaterialParameter pname,
+                       GLfloat param)
+{
+    return ValidateMaterialSingleComponent(context, entryPoint, face, pname, param);
+}
+
+bool ValidateMaterialfv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum face,
+                        MaterialParameter pname,
+                        const GLfloat *params)
+{
+    return ValidateMaterialSetting(context, entryPoint, face, pname, params);
+}
+
+bool ValidateMaterialx(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum face,
+                       MaterialParameter pname,
+                       GLfixed param)
+{
+    return ValidateMaterialSingleComponent(context, entryPoint, face, pname,
+                                           ConvertFixedToFloat(param));
+}
+
+bool ValidateMaterialxv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum face,
+                        MaterialParameter pname,
+                        const GLfixed *params)
+{
+    GLfloat paramsf[4];
+
+    for (unsigned int i = 0; i < GetMaterialParameterCount(pname); i++)
+    {
+        paramsf[i] = ConvertFixedToFloat(params[i]);
+    }
+
+    return ValidateMaterialSetting(context, entryPoint, face, pname, paramsf);
+}
+
+bool ValidateMatrixMode(const Context *context, angle::EntryPoint entryPoint, MatrixType mode)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    switch (mode)
+    {
+        case MatrixType::Projection:
+        case MatrixType::Modelview:
+        case MatrixType::Texture:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMatrixMode);
+            return false;
+    }
+}
+
+bool ValidateMultMatrixf(const Context *context, angle::EntryPoint entryPoint, const GLfloat *m)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateMultMatrixx(const Context *context, angle::EntryPoint entryPoint, const GLfixed *m)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateMultiTexCoord4f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s,
+                             GLfloat t,
+                             GLfloat r,
+                             GLfloat q)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateMultitextureUnit(context, entryPoint, target);
+}
+
+bool ValidateMultiTexCoord4x(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfixed s,
+                             GLfixed t,
+                             GLfixed r,
+                             GLfixed q)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateMultitextureUnit(context, entryPoint, target);
+}
+
+bool ValidateNormal3f(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfloat nx,
+                      GLfloat ny,
+                      GLfloat nz)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateNormal3x(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfixed nx,
+                      GLfixed ny,
+                      GLfixed nz)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateNormalPointer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           VertexAttribType type,
+                           GLsizei stride,
+                           const void *pointer)
+{
+    return ValidateBuiltinVertexAttributeCommon(context, entryPoint, ClientVertexArrayType::Normal,
+                                                3, type, stride, pointer);
+}
+
+bool ValidateOrthof(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfloat l,
+                    GLfloat r,
+                    GLfloat b,
+                    GLfloat t,
+                    GLfloat n,
+                    GLfloat f)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    // [OpenGL ES 1.1.12] section 2.10.2 page 31:
+    // If l is equal to r, b is equal to t, or n is equal to f, the
+    // error INVALID VALUE results.
+    if (l == r || b == t || n == f)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProjectionMatrix);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateOrthox(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfixed l,
+                    GLfixed r,
+                    GLfixed b,
+                    GLfixed t,
+                    GLfixed n,
+                    GLfixed f)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    if (l == r || b == t || n == f)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProjectionMatrix);
+        return false;
+    }
+    return true;
+}
+
+bool ValidatePointParameterf(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             PointParameter pname,
+                             GLfloat param)
+{
+    unsigned int paramCount = GetPointParameterCount(pname);
+    if (paramCount != 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPointParameter);
+        return false;
+    }
+
+    return ValidatePointParameterCommon(context, entryPoint, pname, &param);
+}
+
+bool ValidatePointParameterfv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              PointParameter pname,
+                              const GLfloat *params)
+{
+    return ValidatePointParameterCommon(context, entryPoint, pname, params);
+}
+
+bool ValidatePointParameterx(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             PointParameter pname,
+                             GLfixed param)
+{
+    unsigned int paramCount = GetPointParameterCount(pname);
+    if (paramCount != 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPointParameter);
+        return false;
+    }
+
+    GLfloat paramf = ConvertFixedToFloat(param);
+    return ValidatePointParameterCommon(context, entryPoint, pname, &paramf);
+}
+
+bool ValidatePointParameterxv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              PointParameter pname,
+                              const GLfixed *params)
+{
+    GLfloat paramsf[4] = {};
+    for (unsigned int i = 0; i < GetPointParameterCount(pname); i++)
+    {
+        paramsf[i] = ConvertFixedToFloat(params[i]);
+    }
+    return ValidatePointParameterCommon(context, entryPoint, pname, paramsf);
+}
+
+bool ValidatePointSize(const Context *context, angle::EntryPoint entryPoint, GLfloat size)
+{
+    return ValidatePointSizeCommon(context, entryPoint, size);
+}
+
+bool ValidatePointSizex(const Context *context, angle::EntryPoint entryPoint, GLfixed size)
+{
+    return ValidatePointSizeCommon(context, entryPoint, ConvertFixedToFloat(size));
+}
+
+bool ValidatePolygonOffsetx(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLfixed factor,
+                            GLfixed units)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidatePopMatrix(const Context *context, angle::EntryPoint entryPoint)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    const auto &stack = context->getState().gles1().currentMatrixStack();
+    if (stack.size() == 1)
+    {
+        context->validationError(entryPoint, GL_STACK_UNDERFLOW, kMatrixStackUnderflow);
+        return false;
+    }
+    return true;
+}
+
+bool ValidatePushMatrix(const Context *context, angle::EntryPoint entryPoint)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    const auto &stack = context->getState().gles1().currentMatrixStack();
+    if (stack.size() == stack.max_size())
+    {
+        context->validationError(entryPoint, GL_STACK_OVERFLOW, kMatrixStackOverflow);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateRotatef(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfloat angle,
+                     GLfloat x,
+                     GLfloat y,
+                     GLfloat z)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateRotatex(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfixed angle,
+                     GLfixed x,
+                     GLfixed y,
+                     GLfixed z)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateSampleCoveragex(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLclampx value,
+                             GLboolean invert)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateScalef(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfloat x,
+                    GLfloat y,
+                    GLfloat z)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateScalex(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfixed x,
+                    GLfixed y,
+                    GLfixed z)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateShadeModel(const Context *context, angle::EntryPoint entryPoint, ShadingModel mode)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    switch (mode)
+    {
+        case ShadingModel::Flat:
+        case ShadingModel::Smooth:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShadingModel);
+            return false;
+    }
+}
+
+bool ValidateTexCoordPointer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLint size,
+                             VertexAttribType type,
+                             GLsizei stride,
+                             const void *pointer)
+{
+    return ValidateBuiltinVertexAttributeCommon(
+        context, entryPoint, ClientVertexArrayType::TextureCoord, size, type, stride, pointer);
+}
+
+bool ValidateTexEnvf(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     TextureEnvTarget target,
+                     TextureEnvParameter pname,
+                     GLfloat param)
+{
+    return ValidateTexEnvCommon(context, entryPoint, target, pname, &param);
+}
+
+bool ValidateTexEnvfv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      TextureEnvTarget target,
+                      TextureEnvParameter pname,
+                      const GLfloat *params)
+{
+    return ValidateTexEnvCommon(context, entryPoint, target, pname, params);
+}
+
+bool ValidateTexEnvi(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     TextureEnvTarget target,
+                     TextureEnvParameter pname,
+                     GLint param)
+{
+    GLfloat paramf = static_cast<GLfloat>(param);
+    return ValidateTexEnvCommon(context, entryPoint, target, pname, &paramf);
+}
+
+bool ValidateTexEnviv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      TextureEnvTarget target,
+                      TextureEnvParameter pname,
+                      const GLint *params)
+{
+    GLfloat paramsf[4];
+    for (unsigned int i = 0; i < GetTextureEnvParameterCount(pname); i++)
+    {
+        paramsf[i] = static_cast<GLfloat>(params[i]);
+    }
+    return ValidateTexEnvCommon(context, entryPoint, target, pname, paramsf);
+}
+
+bool ValidateTexEnvx(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     TextureEnvTarget target,
+                     TextureEnvParameter pname,
+                     GLfixed param)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    GLfloat paramsf[4] = {};
+    ConvertTextureEnvFromFixed(pname, &param, paramsf);
+    return ValidateTexEnvCommon(context, entryPoint, target, pname, paramsf);
+}
+
+bool ValidateTexEnvxv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      TextureEnvTarget target,
+                      TextureEnvParameter pname,
+                      const GLfixed *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    GLfloat paramsf[4] = {};
+    ConvertTextureEnvFromFixed(pname, params, paramsf);
+    return ValidateTexEnvCommon(context, entryPoint, target, pname, paramsf);
+}
+
+bool ValidateTexParameterBaseForGLfixed(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType target,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        bool vectorParams,
+                                        const GLfixed *params)
+{
+    // Convert GLfixed parameter for GL_TEXTURE_MAX_ANISOTROPY_EXT independently
+    // since it compares against 1 and maxTextureAnisotropy instead of just 0
+    // (other values are fine to leave unconverted since they only check positive or negative or
+    // are used as enums)
+    GLfloat paramValue;
+    if (pname == GL_TEXTURE_MAX_ANISOTROPY_EXT)
+    {
+        paramValue = ConvertFixedToFloat(static_cast<GLfixed>(params[0]));
+    }
+    else
+    {
+        paramValue = static_cast<GLfloat>(params[0]);
+    }
+    return ValidateTexParameterBase(context, entryPoint, target, pname, bufSize, vectorParams,
+                                    &paramValue);
+}
+
+bool ValidateTexParameterx(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType target,
+                           GLenum pname,
+                           GLfixed param)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateTexParameterBaseForGLfixed(context, entryPoint, target, pname, -1, false,
+                                              &param);
+}
+
+bool ValidateTexParameterxv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType target,
+                            GLenum pname,
+                            const GLfixed *params)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return ValidateTexParameterBaseForGLfixed(context, entryPoint, target, pname, -1, true, params);
+}
+
+bool ValidateTranslatef(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat x,
+                        GLfloat y,
+                        GLfloat z)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateTranslatex(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfixed x,
+                        GLfixed y,
+                        GLfixed z)
+{
+    ANGLE_VALIDATE_IS_GLES1(context, entryPoint);
+    return true;
+}
+
+bool ValidateVertexPointer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLint size,
+                           VertexAttribType type,
+                           GLsizei stride,
+                           const void *pointer)
+{
+    return ValidateBuiltinVertexAttributeCommon(context, entryPoint, ClientVertexArrayType::Vertex,
+                                                size, type, stride, pointer);
+}
+
+bool ValidateDrawTexfOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z,
+                         GLfloat width,
+                         GLfloat height)
+{
+    return ValidateDrawTexCommon(context, entryPoint, width, height);
+}
+
+bool ValidateDrawTexfvOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          const GLfloat *coords)
+{
+    return ValidateDrawTexCommon(context, entryPoint, coords[3], coords[4]);
+}
+
+bool ValidateDrawTexiOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLint z,
+                         GLint width,
+                         GLint height)
+{
+    return ValidateDrawTexCommon(context, entryPoint, static_cast<GLfloat>(width),
+                                 static_cast<GLfloat>(height));
+}
+
+bool ValidateDrawTexivOES(const Context *context, angle::EntryPoint entryPoint, const GLint *coords)
+{
+    return ValidateDrawTexCommon(context, entryPoint, static_cast<GLfloat>(coords[3]),
+                                 static_cast<GLfloat>(coords[4]));
+}
+
+bool ValidateDrawTexsOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z,
+                         GLshort width,
+                         GLshort height)
+{
+    return ValidateDrawTexCommon(context, entryPoint, static_cast<GLfloat>(width),
+                                 static_cast<GLfloat>(height));
+}
+
+bool ValidateDrawTexsvOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          const GLshort *coords)
+{
+    return ValidateDrawTexCommon(context, entryPoint, static_cast<GLfloat>(coords[3]),
+                                 static_cast<GLfloat>(coords[4]));
+}
+
+bool ValidateDrawTexxOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfixed x,
+                         GLfixed y,
+                         GLfixed z,
+                         GLfixed width,
+                         GLfixed height)
+{
+    return ValidateDrawTexCommon(context, entryPoint, ConvertFixedToFloat(width),
+                                 ConvertFixedToFloat(height));
+}
+
+bool ValidateDrawTexxvOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          const GLfixed *coords)
+{
+    return ValidateDrawTexCommon(context, entryPoint, ConvertFixedToFloat(coords[3]),
+                                 ConvertFixedToFloat(coords[4]));
+}
+
+bool ValidateCurrentPaletteMatrixOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint matrixpaletteindex)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateLoadPaletteFromModelViewMatrixOES(const Context *context, angle::EntryPoint entryPoint)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateMatrixIndexPointerOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLint size,
+                                   GLenum type,
+                                   GLsizei stride,
+                                   const void *pointer)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateWeightPointerOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLint size,
+                              GLenum type,
+                              GLsizei stride,
+                              const void *pointer)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidatePointSizePointerOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 VertexAttribType type,
+                                 GLsizei stride,
+                                 const void *pointer)
+{
+    return ValidateBuiltinVertexAttributeCommon(
+        context, entryPoint, ClientVertexArrayType::PointSize, 1, type, stride, pointer);
+}
+
+bool ValidateQueryMatrixxOES(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             const GLfixed *mantissa,
+                             const GLint *exponent)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateGenFramebuffersOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const FramebufferID *framebuffers)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteFramebuffersOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const FramebufferID *framebuffers)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenRenderbuffersOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const RenderbufferID *renderbuffers)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteRenderbuffersOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const RenderbufferID *renderbuffers)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateBindFramebufferOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum target,
+                                FramebufferID framebuffer)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBindFramebufferBase(context, entryPoint, target, framebuffer);
+}
+
+bool ValidateBindRenderbufferOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 RenderbufferID renderbuffer)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBindRenderbufferBase(context, entryPoint, target, renderbuffer);
+}
+
+bool ValidateCheckFramebufferStatusOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferRenderbufferOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum target,
+                                        GLenum attachment,
+                                        GLenum rbtarget,
+                                        RenderbufferID renderbuffer)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateFramebufferRenderbufferBase(context, entryPoint, target, attachment, rbtarget,
+                                               renderbuffer);
+}
+
+bool ValidateFramebufferTexture2DOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     TextureTarget textarget,
+                                     TextureID texture,
+                                     GLint level)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (level != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFramebufferTextureLevel);
+        return false;
+    }
+
+    if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level))
+    {
+        return false;
+    }
+
+    if (texture.value != 0)
+    {
+        Texture *tex = context->getTexture(texture);
+        ASSERT(tex);
+
+        const Caps &caps = context->getCaps();
+
+        switch (textarget)
+        {
+            case TextureTarget::_2D:
+            {
+                if (level > log2(caps.max2DTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                    return false;
+                }
+                if (tex->getType() != TextureType::_2D)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kInvalidTextureTarget);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureTarget::CubeMapNegativeX:
+            case TextureTarget::CubeMapNegativeY:
+            case TextureTarget::CubeMapNegativeZ:
+            case TextureTarget::CubeMapPositiveX:
+            case TextureTarget::CubeMapPositiveY:
+            case TextureTarget::CubeMapPositiveZ:
+            {
+                if (!context->getExtensions().textureCubeMapOES)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+                    return false;
+                }
+
+                if (level > log2(caps.maxCubeMapTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                    return false;
+                }
+                if (tex->getType() != TextureType::CubeMap)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kTextureTargetMismatch);
+                    return false;
+                }
+            }
+            break;
+
+            default:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+                return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGenerateMipmapOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType target)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenerateMipmapBase(context, entryPoint, target);
+}
+
+bool ValidateGetFramebufferAttachmentParameterivOES(const Context *context,
+                                                    angle::EntryPoint entryPoint,
+                                                    GLenum target,
+                                                    GLenum attachment,
+                                                    GLenum pname,
+                                                    const GLint *params)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGetFramebufferAttachmentParameterivBase(context, entryPoint, target, attachment,
+                                                           pname, nullptr);
+}
+
+bool ValidateGetRenderbufferParameterivOES(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLenum target,
+                                           GLenum pname,
+                                           const GLint *params)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGetRenderbufferParameterivBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateIsFramebufferOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              FramebufferID framebuffer)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateIsRenderbufferOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               RenderbufferID renderbuffer)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateRenderbufferStorageOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLenum internalformat,
+                                    GLsizei width,
+                                    GLsizei height)
+{
+    if (!context->getExtensions().framebufferObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateRenderbufferStorageParametersBase(context, entryPoint, target, 0, internalformat,
+                                                     width, height);
+}
+
+// GL_OES_texture_cube_map
+
+bool ValidateGetTexGenfvOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLfloat *params)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateGetTexGenivOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum coord,
+                            GLenum pname,
+                            const int *params)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateGetTexGenxvOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLfixed *params)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateTexGenfvOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLfloat *params)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateTexGenivOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLint *param)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateTexGenxvOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLint *param)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateTexGenfOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum coord,
+                        GLenum pname,
+                        GLfloat param)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateTexGeniOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum coord,
+                        GLenum pname,
+                        GLint param)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+bool ValidateTexGenxOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum coord,
+                        GLenum pname,
+                        GLfixed param)
+{
+    UNIMPLEMENTED();
+    return true;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationES1.h b/gfx/angle/checkout/src/libANGLE/validationES1.h
new file mode 100644
index 0000000000..e2e6248400
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES1.h
@@ -0,0 +1,20 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES1.h:
+//  Inlined validation functions for OpenGL ES 1.0 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES1_H_
+#define LIBANGLE_VALIDATION_ES1_H_
+
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/validationES1_autogen.h"
+
+namespace gl
+{
+// Nothing here yet.
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES1_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES1_autogen.h b/gfx/angle/checkout/src/libANGLE/validationES1_autogen.h
new file mode 100644
index 0000000000..81f168e573
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES1_autogen.h
@@ -0,0 +1,395 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES1_autogen.h:
+//   Validation functions for the OpenGL ES 1.0 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES1_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_ES1_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+bool ValidateAlphaFunc(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       AlphaTestFunc funcPacked,
+                       GLfloat ref);
+bool ValidateAlphaFuncx(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        AlphaTestFunc funcPacked,
+                        GLfixed ref);
+bool ValidateClearColorx(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfixed red,
+                         GLfixed green,
+                         GLfixed blue,
+                         GLfixed alpha);
+bool ValidateClearDepthx(const Context *context, angle::EntryPoint entryPoint, GLfixed depth);
+bool ValidateClientActiveTexture(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum texture);
+bool ValidateClipPlanef(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum p,
+                        const GLfloat *eqn);
+bool ValidateClipPlanex(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum plane,
+                        const GLfixed *equation);
+bool ValidateColor4f(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfloat red,
+                     GLfloat green,
+                     GLfloat blue,
+                     GLfloat alpha);
+bool ValidateColor4ub(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLubyte red,
+                      GLubyte green,
+                      GLubyte blue,
+                      GLubyte alpha);
+bool ValidateColor4x(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfixed red,
+                     GLfixed green,
+                     GLfixed blue,
+                     GLfixed alpha);
+bool ValidateColorPointer(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLint size,
+                          VertexAttribType typePacked,
+                          GLsizei stride,
+                          const void *pointer);
+bool ValidateDepthRangex(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfixed n,
+                         GLfixed f);
+bool ValidateDisableClientState(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ClientVertexArrayType arrayPacked);
+bool ValidateEnableClientState(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ClientVertexArrayType arrayPacked);
+bool ValidateFogf(const Context *context,
+                  angle::EntryPoint entryPoint,
+                  GLenum pname,
+                  GLfloat param);
+bool ValidateFogfv(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum pname,
+                   const GLfloat *params);
+bool ValidateFogx(const Context *context,
+                  angle::EntryPoint entryPoint,
+                  GLenum pname,
+                  GLfixed param);
+bool ValidateFogxv(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum pname,
+                   const GLfixed *param);
+bool ValidateFrustumf(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfloat l,
+                      GLfloat r,
+                      GLfloat b,
+                      GLfloat t,
+                      GLfloat n,
+                      GLfloat f);
+bool ValidateFrustumx(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfixed l,
+                      GLfixed r,
+                      GLfixed b,
+                      GLfixed t,
+                      GLfixed n,
+                      GLfixed f);
+bool ValidateGetClipPlanef(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum plane,
+                           const GLfloat *equation);
+bool ValidateGetClipPlanex(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum plane,
+                           const GLfixed *equation);
+bool ValidateGetFixedv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum pname,
+                       const GLfixed *params);
+bool ValidateGetLightfv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum light,
+                        LightParameter pnamePacked,
+                        const GLfloat *params);
+bool ValidateGetLightxv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum light,
+                        LightParameter pnamePacked,
+                        const GLfixed *params);
+bool ValidateGetMaterialfv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           MaterialParameter pnamePacked,
+                           const GLfloat *params);
+bool ValidateGetMaterialxv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           MaterialParameter pnamePacked,
+                           const GLfixed *params);
+bool ValidateGetTexEnvfv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureEnvTarget targetPacked,
+                         TextureEnvParameter pnamePacked,
+                         const GLfloat *params);
+bool ValidateGetTexEnviv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureEnvTarget targetPacked,
+                         TextureEnvParameter pnamePacked,
+                         const GLint *params);
+bool ValidateGetTexEnvxv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureEnvTarget targetPacked,
+                         TextureEnvParameter pnamePacked,
+                         const GLfixed *params);
+bool ValidateGetTexParameterxv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType targetPacked,
+                               GLenum pname,
+                               const GLfixed *params);
+bool ValidateLightModelf(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLfloat param);
+bool ValidateLightModelfv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum pname,
+                          const GLfloat *params);
+bool ValidateLightModelx(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLfixed param);
+bool ValidateLightModelxv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum pname,
+                          const GLfixed *param);
+bool ValidateLightf(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLenum light,
+                    LightParameter pnamePacked,
+                    GLfloat param);
+bool ValidateLightfv(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum light,
+                     LightParameter pnamePacked,
+                     const GLfloat *params);
+bool ValidateLightx(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLenum light,
+                    LightParameter pnamePacked,
+                    GLfixed param);
+bool ValidateLightxv(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum light,
+                     LightParameter pnamePacked,
+                     const GLfixed *params);
+bool ValidateLineWidthx(const Context *context, angle::EntryPoint entryPoint, GLfixed width);
+bool ValidateLoadIdentity(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateLoadMatrixf(const Context *context, angle::EntryPoint entryPoint, const GLfloat *m);
+bool ValidateLoadMatrixx(const Context *context, angle::EntryPoint entryPoint, const GLfixed *m);
+bool ValidateLogicOp(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     LogicalOperation opcodePacked);
+bool ValidateMaterialf(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum face,
+                       MaterialParameter pnamePacked,
+                       GLfloat param);
+bool ValidateMaterialfv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum face,
+                        MaterialParameter pnamePacked,
+                        const GLfloat *params);
+bool ValidateMaterialx(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum face,
+                       MaterialParameter pnamePacked,
+                       GLfixed param);
+bool ValidateMaterialxv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum face,
+                        MaterialParameter pnamePacked,
+                        const GLfixed *param);
+bool ValidateMatrixMode(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        MatrixType modePacked);
+bool ValidateMultMatrixf(const Context *context, angle::EntryPoint entryPoint, const GLfloat *m);
+bool ValidateMultMatrixx(const Context *context, angle::EntryPoint entryPoint, const GLfixed *m);
+bool ValidateMultiTexCoord4f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s,
+                             GLfloat t,
+                             GLfloat r,
+                             GLfloat q);
+bool ValidateMultiTexCoord4x(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum texture,
+                             GLfixed s,
+                             GLfixed t,
+                             GLfixed r,
+                             GLfixed q);
+bool ValidateNormal3f(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfloat nx,
+                      GLfloat ny,
+                      GLfloat nz);
+bool ValidateNormal3x(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfixed nx,
+                      GLfixed ny,
+                      GLfixed nz);
+bool ValidateNormalPointer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           VertexAttribType typePacked,
+                           GLsizei stride,
+                           const void *pointer);
+bool ValidateOrthof(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfloat l,
+                    GLfloat r,
+                    GLfloat b,
+                    GLfloat t,
+                    GLfloat n,
+                    GLfloat f);
+bool ValidateOrthox(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfixed l,
+                    GLfixed r,
+                    GLfixed b,
+                    GLfixed t,
+                    GLfixed n,
+                    GLfixed f);
+bool ValidatePointParameterf(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             PointParameter pnamePacked,
+                             GLfloat param);
+bool ValidatePointParameterfv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              PointParameter pnamePacked,
+                              const GLfloat *params);
+bool ValidatePointParameterx(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             PointParameter pnamePacked,
+                             GLfixed param);
+bool ValidatePointParameterxv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              PointParameter pnamePacked,
+                              const GLfixed *params);
+bool ValidatePointSize(const Context *context, angle::EntryPoint entryPoint, GLfloat size);
+bool ValidatePointSizex(const Context *context, angle::EntryPoint entryPoint, GLfixed size);
+bool ValidatePolygonOffsetx(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLfixed factor,
+                            GLfixed units);
+bool ValidatePopMatrix(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePushMatrix(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateRotatef(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfloat angle,
+                     GLfloat x,
+                     GLfloat y,
+                     GLfloat z);
+bool ValidateRotatex(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfixed angle,
+                     GLfixed x,
+                     GLfixed y,
+                     GLfixed z);
+bool ValidateSampleCoveragex(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLclampx value,
+                             GLboolean invert);
+bool ValidateScalef(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfloat x,
+                    GLfloat y,
+                    GLfloat z);
+bool ValidateScalex(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLfixed x,
+                    GLfixed y,
+                    GLfixed z);
+bool ValidateShadeModel(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        ShadingModel modePacked);
+bool ValidateTexCoordPointer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLint size,
+                             VertexAttribType typePacked,
+                             GLsizei stride,
+                             const void *pointer);
+bool ValidateTexEnvf(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     TextureEnvTarget targetPacked,
+                     TextureEnvParameter pnamePacked,
+                     GLfloat param);
+bool ValidateTexEnvfv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      TextureEnvTarget targetPacked,
+                      TextureEnvParameter pnamePacked,
+                      const GLfloat *params);
+bool ValidateTexEnvi(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     TextureEnvTarget targetPacked,
+                     TextureEnvParameter pnamePacked,
+                     GLint param);
+bool ValidateTexEnviv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      TextureEnvTarget targetPacked,
+                      TextureEnvParameter pnamePacked,
+                      const GLint *params);
+bool ValidateTexEnvx(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     TextureEnvTarget targetPacked,
+                     TextureEnvParameter pnamePacked,
+                     GLfixed param);
+bool ValidateTexEnvxv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      TextureEnvTarget targetPacked,
+                      TextureEnvParameter pnamePacked,
+                      const GLfixed *params);
+bool ValidateTexParameterx(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType targetPacked,
+                           GLenum pname,
+                           GLfixed param);
+bool ValidateTexParameterxv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType targetPacked,
+                            GLenum pname,
+                            const GLfixed *params);
+bool ValidateTranslatef(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat x,
+                        GLfloat y,
+                        GLfloat z);
+bool ValidateTranslatex(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfixed x,
+                        GLfixed y,
+                        GLfixed z);
+bool ValidateVertexPointer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLint size,
+                           VertexAttribType typePacked,
+                           GLsizei stride,
+                           const void *pointer);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES1_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES2.cpp b/gfx/angle/checkout/src/libANGLE/validationES2.cpp
new file mode 100644
index 0000000000..00f5fc5502
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES2.cpp
@@ -0,0 +1,6544 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationES2.cpp: Validation functions for OpenGL ES 2.0 entry point parameters
+
+#include "libANGLE/validationES2_autogen.h"
+
+#include <cstdint>
+
+#include "common/mathutil.h"
+#include "common/string_utils.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/Fence.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/MemoryObject.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/Uniform.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/validationES.h"
+#include "libANGLE/validationES2.h"
+#include "libANGLE/validationES3_autogen.h"
+
+namespace gl
+{
+using namespace err;
+
+namespace
+{
+
+bool IsPartialBlit(const Context *context,
+                   const FramebufferAttachment *readBuffer,
+                   const FramebufferAttachment *writeBuffer,
+                   GLint srcX0,
+                   GLint srcY0,
+                   GLint srcX1,
+                   GLint srcY1,
+                   GLint dstX0,
+                   GLint dstY0,
+                   GLint dstX1,
+                   GLint dstY1)
+{
+    const Extents &writeSize = writeBuffer->getSize();
+    const Extents &readSize  = readBuffer->getSize();
+
+    if (srcX0 != 0 || srcY0 != 0 || dstX0 != 0 || dstY0 != 0 || dstX1 != writeSize.width ||
+        dstY1 != writeSize.height || srcX1 != readSize.width || srcY1 != readSize.height)
+    {
+        return true;
+    }
+
+    if (context->getState().isScissorTestEnabled())
+    {
+        const Rectangle &scissor = context->getState().getScissor();
+        return scissor.x > 0 || scissor.y > 0 || scissor.width < writeSize.width ||
+               scissor.height < writeSize.height;
+    }
+
+    return false;
+}
+
+bool IsValidCopyTextureSourceInternalFormatEnum(GLenum internalFormat)
+{
+    // Table 1.1 from the CHROMIUM_copy_texture spec
+    switch (GetUnsizedFormat(internalFormat))
+    {
+        case GL_RED:
+        case GL_ALPHA:
+        case GL_LUMINANCE:
+        case GL_LUMINANCE_ALPHA:
+        case GL_RGB:
+        case GL_RGBA:
+        case GL_RGB8:
+        case GL_RGBA8:
+        case GL_BGRA_EXT:
+        case GL_BGRA8_EXT:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool IsValidCopySubTextureSourceInternalFormat(GLenum internalFormat)
+{
+    return IsValidCopyTextureSourceInternalFormatEnum(internalFormat);
+}
+
+bool IsValidCopyTextureDestinationInternalFormatEnum(GLint internalFormat)
+{
+    // Table 1.0 from the CHROMIUM_copy_texture spec
+    switch (internalFormat)
+    {
+        case GL_ALPHA:
+        case GL_BGRA8_EXT:
+        case GL_BGRA_EXT:
+        case GL_LUMINANCE:
+        case GL_LUMINANCE_ALPHA:
+        case GL_R11F_G11F_B10F:
+        case GL_R16F:
+        case GL_R32F:
+        case GL_R8:
+        case GL_R8UI:
+        case GL_RG16F:
+        case GL_RG32F:
+        case GL_RG8:
+        case GL_RG8UI:
+        case GL_RGB:
+        case GL_RGB10_A2:
+        case GL_RGB16F:
+        case GL_RGB32F:
+        case GL_RGB565:
+        case GL_RGB5_A1:
+        case GL_RGB8:
+        case GL_RGB8UI:
+        case GL_RGB9_E5:
+        case GL_RGBA:
+        case GL_RGBA16F:
+        case GL_RGBA32F:
+        case GL_RGBA4:
+        case GL_RGBA8:
+        case GL_RGBA8UI:
+        case GL_RGBX8_ANGLE:
+        case GL_SRGB8:
+        case GL_SRGB8_ALPHA8:
+        case GL_SRGB_ALPHA_EXT:
+        case GL_SRGB_EXT:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool IsValidCopySubTextureDestionationInternalFormat(GLenum internalFormat)
+{
+    return IsValidCopyTextureDestinationInternalFormatEnum(internalFormat);
+}
+
+bool IsValidCopyTextureDestinationFormatType(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             GLint internalFormat,
+                                             GLenum type)
+{
+    if (!IsValidCopyTextureDestinationInternalFormatEnum(internalFormat))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                  internalFormat);
+        return false;
+    }
+
+    if (!ValidES3FormatCombination(GetUnsizedFormat(internalFormat), type, internalFormat))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMismatchedTypeAndFormat);
+        return false;
+    }
+
+    const InternalFormat &internalFormatInfo = GetInternalFormatInfo(internalFormat, type);
+    if (!internalFormatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                  internalFormat);
+        return false;
+    }
+
+    return true;
+}
+
+bool IsValidCopyTextureDestinationTargetEnum(const Context *context, TextureTarget target)
+{
+    switch (target)
+    {
+        case TextureTarget::_2D:
+        case TextureTarget::CubeMapNegativeX:
+        case TextureTarget::CubeMapNegativeY:
+        case TextureTarget::CubeMapNegativeZ:
+        case TextureTarget::CubeMapPositiveX:
+        case TextureTarget::CubeMapPositiveY:
+        case TextureTarget::CubeMapPositiveZ:
+            return true;
+
+        case TextureTarget::Rectangle:
+            return context->getExtensions().textureRectangleANGLE;
+
+        default:
+            return false;
+    }
+}
+
+bool IsValidCopyTextureDestinationTarget(const Context *context,
+                                         TextureType textureType,
+                                         TextureTarget target)
+{
+    return TextureTargetToType(target) == textureType;
+}
+
+bool IsValidCopyTextureSourceTarget(const Context *context, TextureType type)
+{
+    switch (type)
+    {
+        case TextureType::_2D:
+            return true;
+        case TextureType::Rectangle:
+            return context->getExtensions().textureRectangleANGLE;
+        case TextureType::External:
+            return context->getExtensions().EGLImageExternalOES;
+        case TextureType::VideoImage:
+            return context->getExtensions().videoTextureWEBGL;
+        default:
+            return false;
+    }
+}
+
+bool IsValidCopyTextureSourceLevel(const Context *context, TextureType type, GLint level)
+{
+    if (!ValidMipLevel(context, type, level))
+    {
+        return false;
+    }
+
+    if (level > 0 && context->getClientVersion() < ES_3_0)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool IsValidCopyTextureDestinationLevel(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType type,
+                                        GLint level,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        bool isSubImage)
+{
+    if (!ValidMipLevel(context, type, level))
+    {
+        return false;
+    }
+
+    if (!ValidImageSizeParameters(context, entryPoint, type, level, width, height, 1, isSubImage))
+    {
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    switch (type)
+    {
+        case TextureType::_2D:
+            return width <= (caps.max2DTextureSize >> level) &&
+                   height <= (caps.max2DTextureSize >> level);
+        case TextureType::Rectangle:
+            ASSERT(level == 0);
+            return width <= (caps.max2DTextureSize >> level) &&
+                   height <= (caps.max2DTextureSize >> level);
+
+        case TextureType::CubeMap:
+            return width <= (caps.maxCubeMapTextureSize >> level) &&
+                   height <= (caps.maxCubeMapTextureSize >> level);
+        default:
+            return true;
+    }
+}
+
+bool IsValidStencilFunc(GLenum func)
+{
+    switch (func)
+    {
+        case GL_NEVER:
+        case GL_ALWAYS:
+        case GL_LESS:
+        case GL_LEQUAL:
+        case GL_EQUAL:
+        case GL_GEQUAL:
+        case GL_GREATER:
+        case GL_NOTEQUAL:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool IsValidStencilFace(GLenum face)
+{
+    switch (face)
+    {
+        case GL_FRONT:
+        case GL_BACK:
+        case GL_FRONT_AND_BACK:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool IsValidStencilOp(GLenum op)
+{
+    switch (op)
+    {
+        case GL_ZERO:
+        case GL_KEEP:
+        case GL_REPLACE:
+        case GL_INCR:
+        case GL_DECR:
+        case GL_INVERT:
+        case GL_INCR_WRAP:
+        case GL_DECR_WRAP:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+static inline bool Valid1to4ComponentFloatColorBufferFormat(const Context *context, GLenum format)
+{
+    return (context->getExtensions().textureFloatOES &&
+            (format == GL_RGBA32F || format == GL_RGB32F || format == GL_RG32F ||
+             format == GL_R32F)) ||
+           (context->getExtensions().textureHalfFloatOES &&
+            (format == GL_RGBA16F || format == GL_RGB16F || format == GL_RG16F ||
+             format == GL_R16F));
+}
+
+static inline bool Valid2to4ComponentFloatColorBufferFormat(const Context *context, GLenum format)
+{
+    return (context->getExtensions().textureFloatOES &&
+            (format == GL_RGBA32F || format == GL_RGB32F || format == GL_RG32F)) ||
+           (context->getExtensions().textureHalfFloatOES &&
+            (format == GL_RGBA16F || format == GL_RGB16F || format == GL_RG16F));
+}
+
+static inline bool Valid3to4ComponentFloatColorBufferFormat(const Context *context, GLenum format)
+{
+    return (context->getExtensions().textureFloatOES &&
+            (format == GL_RGBA32F || format == GL_RGB32F)) ||
+           (context->getExtensions().textureHalfFloatOES &&
+            (format == GL_RGBA16F || format == GL_RGB16F));
+}
+
+static inline bool Valid4ComponentFloatColorBufferFormat(const Context *context, GLenum format)
+{
+    return (context->getExtensions().textureFloatOES && format == GL_RGBA32F) ||
+           (context->getExtensions().textureHalfFloatOES && format == GL_RGBA16F);
+}
+
+bool ValidateES2CopyTexImageParameters(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureTarget target,
+                                       GLint level,
+                                       GLenum internalformat,
+                                       bool isSubImage,
+                                       GLint xoffset,
+                                       GLint yoffset,
+                                       GLint x,
+                                       GLint y,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLint border)
+{
+    if (!ValidTexture2DDestinationTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    TextureType texType = TextureTargetToType(target);
+    if (!ValidImageSizeParameters(context, entryPoint, texType, level, width, height, 1,
+                                  isSubImage))
+    {
+        // Error is already handled.
+        return false;
+    }
+
+    Format textureFormat = Format::Invalid();
+    if (!ValidateCopyTexImageParametersBase(context, entryPoint, target, level, internalformat,
+                                            isSubImage, xoffset, yoffset, 0, x, y, width, height,
+                                            border, &textureFormat))
+    {
+        return false;
+    }
+
+    ASSERT(textureFormat.valid() || !isSubImage);
+
+    const Framebuffer *framebuffer = context->getState().getReadFramebuffer();
+    GLenum colorbufferFormat =
+        framebuffer->getReadColorAttachment()->getFormat().info->sizedInternalFormat;
+    const auto &formatInfo = *textureFormat.info;
+
+    // ValidateCopyTexImageParametersBase rejects compressed formats with GL_INVALID_OPERATION.
+    ASSERT(!formatInfo.compressed);
+    ASSERT(!GetInternalFormatInfo(internalformat, GL_UNSIGNED_BYTE).compressed);
+
+    // ValidateCopyTexImageParametersBase rejects depth formats with GL_INVALID_OPERATION.
+    ASSERT(!formatInfo.depthBits);
+    ASSERT(!GetInternalFormatInfo(internalformat, GL_UNSIGNED_BYTE).depthBits);
+
+    // [OpenGL ES 2.0.24] table 3.9
+    if (isSubImage)
+    {
+        switch (formatInfo.format)
+        {
+            case GL_ALPHA:
+                if (colorbufferFormat != GL_ALPHA8_EXT && colorbufferFormat != GL_RGBA4 &&
+                    colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES &&
+                    colorbufferFormat != GL_BGRA8_EXT && colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    !Valid4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_LUMINANCE:
+                if (colorbufferFormat != GL_R8_EXT && colorbufferFormat != GL_RG8_EXT &&
+                    colorbufferFormat != GL_RGB565 && colorbufferFormat != GL_RGB8_OES &&
+                    colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 &&
+                    colorbufferFormat != GL_RGBA8_OES && colorbufferFormat != GL_BGRA8_EXT &&
+                    colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    colorbufferFormat != GL_BGRX8_ANGLEX && colorbufferFormat != GL_RGBX8_ANGLE &&
+                    !Valid1to4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_RED_EXT:
+                if (colorbufferFormat != GL_R8_EXT && colorbufferFormat != GL_RG8_EXT &&
+                    colorbufferFormat != GL_RGB565 && colorbufferFormat != GL_RGB8_OES &&
+                    colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 &&
+                    colorbufferFormat != GL_RGBA8_OES && colorbufferFormat != GL_R32F &&
+                    colorbufferFormat != GL_RG32F && colorbufferFormat != GL_RGB32F &&
+                    colorbufferFormat != GL_RGBA32F && colorbufferFormat != GL_BGRA8_EXT &&
+                    colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    colorbufferFormat != GL_BGRX8_ANGLEX && colorbufferFormat != GL_RGBX8_ANGLE &&
+                    !Valid1to4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_RG_EXT:
+                if (colorbufferFormat != GL_RG8_EXT && colorbufferFormat != GL_RGB565 &&
+                    colorbufferFormat != GL_RGB8_OES && colorbufferFormat != GL_RGBA4 &&
+                    colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES &&
+                    colorbufferFormat != GL_RG32F && colorbufferFormat != GL_RGB32F &&
+                    colorbufferFormat != GL_RGBA32F && colorbufferFormat != GL_BGRA8_EXT &&
+                    colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    colorbufferFormat != GL_BGRX8_ANGLEX && colorbufferFormat != GL_RGBX8_ANGLE &&
+                    !Valid2to4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_RGB:
+                if (colorbufferFormat != GL_RGB565 && colorbufferFormat != GL_RGB8_OES &&
+                    colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 &&
+                    colorbufferFormat != GL_RGBA8_OES && colorbufferFormat != GL_RGB32F &&
+                    colorbufferFormat != GL_RGBA32F && colorbufferFormat != GL_BGRA8_EXT &&
+                    colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    colorbufferFormat != GL_BGRX8_ANGLEX && colorbufferFormat != GL_RGBX8_ANGLE &&
+                    !Valid3to4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_LUMINANCE_ALPHA:
+            case GL_RGBA:
+                if (colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 &&
+                    colorbufferFormat != GL_RGBA8_OES && colorbufferFormat != GL_RGBA32F &&
+                    colorbufferFormat != GL_BGRA8_EXT && colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    !Valid4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            default:
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                return false;
+        }
+
+        if (formatInfo.type == GL_FLOAT && !context->getExtensions().textureFloatOES)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+            return false;
+        }
+    }
+    else
+    {
+        switch (internalformat)
+        {
+            case GL_ALPHA:
+                if (colorbufferFormat != GL_ALPHA8_EXT && colorbufferFormat != GL_RGBA4 &&
+                    colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_BGRA8_EXT &&
+                    colorbufferFormat != GL_RGBA8_OES && colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    !Valid4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_LUMINANCE:
+            case GL_RED_EXT:
+                if (colorbufferFormat != GL_R8_EXT && colorbufferFormat != GL_RG8_EXT &&
+                    colorbufferFormat != GL_RGB565 && colorbufferFormat != GL_RGB8_OES &&
+                    colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 &&
+                    colorbufferFormat != GL_BGRA8_EXT && colorbufferFormat != GL_RGBA8_OES &&
+                    colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    colorbufferFormat != GL_BGRX8_ANGLEX && colorbufferFormat != GL_RGBX8_ANGLE &&
+                    !Valid1to4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_RG_EXT:
+                if (colorbufferFormat != GL_RG8_EXT && colorbufferFormat != GL_RGB565 &&
+                    colorbufferFormat != GL_RGB8_OES && colorbufferFormat != GL_RGBA4 &&
+                    colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_BGRA8_EXT &&
+                    colorbufferFormat != GL_RGBA8_OES && colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    colorbufferFormat != GL_BGRX8_ANGLEX && colorbufferFormat != GL_RGBX8_ANGLE &&
+                    !Valid2to4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_RGB:
+                if (colorbufferFormat != GL_RGB565 && colorbufferFormat != GL_RGB8_OES &&
+                    colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 &&
+                    colorbufferFormat != GL_BGRA8_EXT && colorbufferFormat != GL_RGBA8_OES &&
+                    colorbufferFormat != GL_BGR5_A1_ANGLEX &&
+                    colorbufferFormat != GL_BGRX8_ANGLEX && colorbufferFormat != GL_RGBX8_ANGLE &&
+                    !Valid3to4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            case GL_LUMINANCE_ALPHA:
+            case GL_RGBA:
+                if (colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 &&
+                    colorbufferFormat != GL_BGRA8_EXT && colorbufferFormat != GL_RGBA8_OES &&
+                    colorbufferFormat != GL_BGR5_A1_ANGLEX && colorbufferFormat != GL_RGBA16F &&
+                    !Valid4ComponentFloatColorBufferFormat(context, colorbufferFormat))
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+                break;
+            default:
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                          internalformat);
+                return false;
+        }
+    }
+
+    // If width or height is zero, it is a no-op.  Return false without setting an error.
+    return (width > 0 && height > 0);
+}
+
+bool ValidCap(const Context *context, GLenum cap, bool queryOnly)
+{
+    switch (cap)
+    {
+        // EXT_multisample_compatibility
+        case GL_MULTISAMPLE_EXT:
+        case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+            return context->getExtensions().multisampleCompatibilityEXT;
+
+        case GL_CULL_FACE:
+        case GL_POLYGON_OFFSET_FILL:
+        case GL_SAMPLE_ALPHA_TO_COVERAGE:
+        case GL_SAMPLE_COVERAGE:
+        case GL_SCISSOR_TEST:
+        case GL_STENCIL_TEST:
+        case GL_DEPTH_TEST:
+        case GL_BLEND:
+        case GL_DITHER:
+            return true;
+
+        case GL_PRIMITIVE_RESTART_FIXED_INDEX:
+        case GL_RASTERIZER_DISCARD:
+            return (context->getClientMajorVersion() >= 3);
+
+        case GL_DEBUG_OUTPUT_SYNCHRONOUS:
+        case GL_DEBUG_OUTPUT:
+            return context->getExtensions().debugKHR;
+
+        case GL_BIND_GENERATES_RESOURCE_CHROMIUM:
+            return queryOnly && context->getExtensions().bindGeneratesResourceCHROMIUM;
+
+        case GL_CLIENT_ARRAYS_ANGLE:
+            return queryOnly && context->getExtensions().clientArraysANGLE;
+
+        case GL_FRAMEBUFFER_SRGB_EXT:
+            return context->getExtensions().sRGBWriteControlEXT;
+
+        case GL_SAMPLE_MASK:
+            return context->getClientVersion() >= Version(3, 1);
+
+        case GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE:
+            return queryOnly && context->getExtensions().robustResourceInitializationANGLE;
+
+        case GL_TEXTURE_RECTANGLE_ANGLE:
+            return context->isWebGL();
+
+        // GL_APPLE_clip_distance/GL_EXT_clip_cull_distance
+        case GL_CLIP_DISTANCE0_EXT:
+        case GL_CLIP_DISTANCE1_EXT:
+        case GL_CLIP_DISTANCE2_EXT:
+        case GL_CLIP_DISTANCE3_EXT:
+        case GL_CLIP_DISTANCE4_EXT:
+        case GL_CLIP_DISTANCE5_EXT:
+        case GL_CLIP_DISTANCE6_EXT:
+        case GL_CLIP_DISTANCE7_EXT:
+            if (context->getExtensions().clipDistanceAPPLE ||
+                context->getExtensions().clipCullDistanceEXT)
+            {
+                return true;
+            }
+            break;
+        case GL_SAMPLE_SHADING:
+            return context->getExtensions().sampleShadingOES;
+        case GL_SHADING_RATE_PRESERVE_ASPECT_RATIO_QCOM:
+            return context->getExtensions().shadingRateQCOM;
+
+        // COLOR_LOGIC_OP is in GLES1, but exposed through an ANGLE extension.
+        case GL_COLOR_LOGIC_OP:
+            return context->getClientVersion() < Version(2, 0) ||
+                   context->getExtensions().logicOpANGLE;
+
+        default:
+            break;
+    }
+
+    // GLES1 emulation: GLES1-specific caps after this point
+    if (context->getClientVersion().major != 1)
+    {
+        return false;
+    }
+
+    switch (cap)
+    {
+        case GL_ALPHA_TEST:
+        case GL_VERTEX_ARRAY:
+        case GL_NORMAL_ARRAY:
+        case GL_COLOR_ARRAY:
+        case GL_TEXTURE_COORD_ARRAY:
+        case GL_TEXTURE_2D:
+        case GL_LIGHTING:
+        case GL_LIGHT0:
+        case GL_LIGHT1:
+        case GL_LIGHT2:
+        case GL_LIGHT3:
+        case GL_LIGHT4:
+        case GL_LIGHT5:
+        case GL_LIGHT6:
+        case GL_LIGHT7:
+        case GL_NORMALIZE:
+        case GL_RESCALE_NORMAL:
+        case GL_COLOR_MATERIAL:
+        case GL_CLIP_PLANE0:
+        case GL_CLIP_PLANE1:
+        case GL_CLIP_PLANE2:
+        case GL_CLIP_PLANE3:
+        case GL_CLIP_PLANE4:
+        case GL_CLIP_PLANE5:
+        case GL_FOG:
+        case GL_POINT_SMOOTH:
+        case GL_LINE_SMOOTH:
+            return context->getClientVersion() < Version(2, 0);
+        case GL_POINT_SIZE_ARRAY_OES:
+            return context->getClientVersion() < Version(2, 0) &&
+                   context->getExtensions().pointSizeArrayOES;
+        case GL_TEXTURE_CUBE_MAP:
+            return context->getClientVersion() < Version(2, 0) &&
+                   context->getExtensions().textureCubeMapOES;
+        case GL_POINT_SPRITE_OES:
+            return context->getClientVersion() < Version(2, 0) &&
+                   context->getExtensions().pointSpriteOES;
+        default:
+            return false;
+    }
+}
+
+// Return true if a character belongs to the ASCII subset as defined in GLSL ES 1.0 spec section
+// 3.1.
+bool IsValidESSLCharacter(unsigned char c)
+{
+    // Printing characters are valid except " $ ` @ \ ' DEL.
+    if (c >= 32 && c <= 126 && c != '"' && c != '$' && c != '`' && c != '@' && c != '\\' &&
+        c != '\'')
+    {
+        return true;
+    }
+
+    // Horizontal tab, line feed, vertical tab, form feed, carriage return are also valid.
+    if (c >= 9 && c <= 13)
+    {
+        return true;
+    }
+
+    return false;
+}
+
+bool IsValidESSLString(const char *str, size_t len)
+{
+    for (size_t i = 0; i < len; i++)
+    {
+        if (!IsValidESSLCharacter(str[i]))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateWebGLNamePrefix(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             const GLchar *name)
+{
+    ASSERT(context->isWebGL());
+
+    // WebGL 1.0 [Section 6.16] GLSL Constructs
+    // Identifiers starting with "webgl_" and "_webgl_" are reserved for use by WebGL.
+    if (strncmp(name, "webgl_", 6) == 0 || strncmp(name, "_webgl_", 7) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kWebglBindAttribLocationReservedPrefix);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateWebGLNameLength(const Context *context, angle::EntryPoint entryPoint, size_t length)
+{
+    ASSERT(context->isWebGL());
+
+    if (context->isWebGL1() && length > 256)
+    {
+        // WebGL 1.0 [Section 6.21] Maxmimum Uniform and Attribute Location Lengths
+        // WebGL imposes a limit of 256 characters on the lengths of uniform and attribute
+        // locations.
+        context->validationError(entryPoint, GL_INVALID_VALUE, kWebglNameLengthLimitExceeded);
+
+        return false;
+    }
+    else if (length > 1024)
+    {
+        // WebGL 2.0 [Section 4.3.2] WebGL 2.0 imposes a limit of 1024 characters on the lengths of
+        // uniform and attribute locations.
+        context->validationError(entryPoint, GL_INVALID_VALUE, kWebgl2NameLengthLimitExceeded);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidBlendFunc(const Context *context, GLenum val)
+{
+    const Extensions &ext = context->getExtensions();
+
+    // these are always valid for src and dst.
+    switch (val)
+    {
+        case GL_ZERO:
+        case GL_ONE:
+        case GL_SRC_COLOR:
+        case GL_ONE_MINUS_SRC_COLOR:
+        case GL_DST_COLOR:
+        case GL_ONE_MINUS_DST_COLOR:
+        case GL_SRC_ALPHA:
+        case GL_ONE_MINUS_SRC_ALPHA:
+        case GL_DST_ALPHA:
+        case GL_ONE_MINUS_DST_ALPHA:
+        case GL_CONSTANT_COLOR:
+        case GL_ONE_MINUS_CONSTANT_COLOR:
+        case GL_CONSTANT_ALPHA:
+        case GL_ONE_MINUS_CONSTANT_ALPHA:
+            return true;
+
+        // EXT_blend_func_extended.
+        case GL_SRC1_COLOR_EXT:
+        case GL_SRC1_ALPHA_EXT:
+        case GL_ONE_MINUS_SRC1_COLOR_EXT:
+        case GL_ONE_MINUS_SRC1_ALPHA_EXT:
+        case GL_SRC_ALPHA_SATURATE_EXT:
+            return ext.blendFuncExtendedEXT;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidSrcBlendFunc(const Context *context, GLenum val)
+{
+    if (ValidBlendFunc(context, val))
+        return true;
+
+    if (val == GL_SRC_ALPHA_SATURATE)
+        return true;
+
+    return false;
+}
+
+bool ValidDstBlendFunc(const Context *context, GLenum val)
+{
+    if (ValidBlendFunc(context, val))
+        return true;
+
+    if (val == GL_SRC_ALPHA_SATURATE)
+    {
+        if (context->getClientMajorVersion() >= 3)
+            return true;
+    }
+
+    return false;
+}
+
+bool ValidateES2TexImageParameters(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureTarget target,
+                                   GLint level,
+                                   GLenum internalformat,
+                                   bool isCompressed,
+                                   bool isSubImage,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLint border,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei imageSize,
+                                   const void *pixels)
+{
+    if (!ValidTexture2DDestinationTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return ValidateES2TexImageParametersBase(context, entryPoint, target, level, internalformat,
+                                             isCompressed, isSubImage, xoffset, yoffset, width,
+                                             height, border, format, type, imageSize, pixels);
+}
+
+}  // anonymous namespace
+
+bool ValidateES2TexImageParametersBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureTarget target,
+                                       GLint level,
+                                       GLenum internalformat,
+                                       bool isCompressed,
+                                       bool isSubImage,
+                                       GLint xoffset,
+                                       GLint yoffset,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLint border,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei imageSize,
+                                       const void *pixels)
+{
+
+    TextureType texType = TextureTargetToType(target);
+    if (!ValidImageSizeParameters(context, entryPoint, texType, level, width, height, 1,
+                                  isSubImage))
+    {
+        // Error already handled.
+        return false;
+    }
+
+    if (!ValidMipLevel(context, texType, level))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    if ((xoffset < 0 || std::numeric_limits<GLsizei>::max() - xoffset < width) ||
+        (yoffset < 0 || std::numeric_limits<GLsizei>::max() - yoffset < height))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+
+    switch (texType)
+    {
+        case TextureType::_2D:
+        case TextureType::External:
+        case TextureType::VideoImage:
+            if (width > (caps.max2DTextureSize >> level) ||
+                height > (caps.max2DTextureSize >> level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+
+        case TextureType::Rectangle:
+            ASSERT(level == 0);
+            if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            if (isCompressed)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kRectangleTextureCompressed);
+                return false;
+            }
+            break;
+
+        case TextureType::CubeMap:
+            if (!isSubImage && width != height)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kCubemapFacesEqualDimensions);
+                return false;
+            }
+
+            if (width > (caps.maxCubeMapTextureSize >> level) ||
+                height > (caps.maxCubeMapTextureSize >> level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+            return false;
+    }
+
+    Texture *texture = context->getTextureByType(texType);
+    if (!texture)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound);
+        return false;
+    }
+
+    // Verify zero border
+    if (border != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBorder);
+        return false;
+    }
+
+    bool nonEqualFormatsAllowed = false;
+
+    if (isCompressed)
+    {
+        GLenum actualInternalFormat =
+            isSubImage ? texture->getFormat(target, level).info->sizedInternalFormat
+                       : internalformat;
+
+        const InternalFormat &internalFormatInfo = GetSizedInternalFormatInfo(actualInternalFormat);
+
+        if (!internalFormatInfo.compressed && !internalFormatInfo.paletted)
+        {
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kInvalidInternalFormat,
+                                      internalformat);
+            return false;
+        }
+
+        if (!internalFormatInfo.textureSupport(context->getClientVersion(),
+                                               context->getExtensions()))
+        {
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kInvalidInternalFormat,
+                                      internalformat);
+            return false;
+        }
+
+        if (isSubImage)
+        {
+            // From OpenGL ES Version 1.1.12, section 3.7.4 Compressed Paletted
+            // Textures:
+            //
+            // Subimages may not be specified for compressed paletted textures.
+            // Calling CompressedTexSubImage2D with any of the PALETTE*
+            // arguments in table 3.11 will generate an INVALID OPERATION error.
+            if (internalFormatInfo.paletted)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                          internalformat);
+                return false;
+            }
+
+            // From the OES_compressed_ETC1_RGB8_texture spec:
+            //
+            // INVALID_OPERATION is generated by CompressedTexSubImage2D, TexSubImage2D, or
+            // CopyTexSubImage2D if the texture image <level> bound to <target> has internal format
+            // ETC1_RGB8_OES.
+            //
+            // This is relaxed if GL_EXT_compressed_ETC1_RGB8_sub_texture is supported.
+            if (IsETC1Format(actualInternalFormat) &&
+                !context->getExtensions().compressedETC1RGB8SubTextureEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                          internalformat);
+                return false;
+            }
+
+            if (!ValidCompressedSubImageSize(context, actualInternalFormat, xoffset, yoffset, 0,
+                                             width, height, 1, texture->getWidth(target, level),
+                                             texture->getHeight(target, level),
+                                             texture->getDepth(target, level)))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidCompressedImageSize);
+                return false;
+            }
+
+            if (format != actualInternalFormat)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                return false;
+            }
+        }
+        else
+        {
+            if (!ValidCompressedImageSize(context, actualInternalFormat, level, width, height, 1))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidCompressedImageSize);
+                return false;
+            }
+        }
+    }
+    else
+    {
+        // validate <type> by itself (used as secondary key below)
+        switch (type)
+        {
+            case GL_UNSIGNED_BYTE:
+            case GL_UNSIGNED_SHORT_5_6_5:
+            case GL_UNSIGNED_SHORT_4_4_4_4:
+            case GL_UNSIGNED_SHORT_5_5_5_1:
+            case GL_UNSIGNED_SHORT:
+            case GL_UNSIGNED_INT:
+            case GL_UNSIGNED_INT_24_8_OES:
+            case GL_HALF_FLOAT_OES:
+            case GL_FLOAT:
+                break;
+            case GL_UNSIGNED_INT_2_10_10_10_REV_EXT:
+                if (!context->getExtensions().textureType2101010REVEXT)
+                {
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, type);
+                    return false;
+                }
+                break;
+            default:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+        }
+
+        // validate <format> + <type> combinations
+        // - invalid <format> -> sets INVALID_ENUM
+        // - invalid <format>+<type> combination -> sets INVALID_OPERATION
+        switch (format)
+        {
+            case GL_ALPHA:
+            case GL_LUMINANCE:
+            case GL_LUMINANCE_ALPHA:
+                switch (type)
+                {
+                    case GL_UNSIGNED_BYTE:
+                    case GL_FLOAT:
+                    case GL_HALF_FLOAT_OES:
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_RED:
+            case GL_RG:
+                if (!context->getExtensions().textureRgEXT)
+                {
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              format);
+                    return false;
+                }
+                switch (type)
+                {
+                    case GL_UNSIGNED_BYTE:
+                        break;
+                    case GL_FLOAT:
+                        if (!context->getExtensions().textureFloatOES)
+                        {
+                            context->validationErrorF(entryPoint, GL_INVALID_ENUM,
+                                                      kEnumNotSupported, type);
+                            return false;
+                        }
+                        break;
+                    case GL_HALF_FLOAT_OES:
+                        if (!context->getExtensions().textureFloatOES &&
+                            !context->getExtensions().textureHalfFloatOES)
+                        {
+                            context->validationErrorF(entryPoint, GL_INVALID_ENUM,
+                                                      kEnumNotSupported, type);
+                            return false;
+                        }
+                        break;
+                    case GL_SHORT:
+                    case GL_UNSIGNED_SHORT:
+                        if (!context->getExtensions().textureNorm16EXT)
+                        {
+                            context->validationErrorF(entryPoint, GL_INVALID_ENUM,
+                                                      kEnumNotSupported, type);
+                            return false;
+                        }
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_RGB:
+                switch (type)
+                {
+                    case GL_UNSIGNED_BYTE:
+                    case GL_UNSIGNED_SHORT_5_6_5:
+                    case GL_UNSIGNED_INT_2_10_10_10_REV_EXT:
+                    case GL_FLOAT:
+                    case GL_HALF_FLOAT_OES:
+                        break;
+                    case GL_SHORT:
+                    case GL_UNSIGNED_SHORT:
+                        if (!context->getExtensions().textureNorm16EXT)
+                        {
+                            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                     kMismatchedTypeAndFormat);
+                            return false;
+                        }
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_RGBA:
+                switch (type)
+                {
+                    case GL_UNSIGNED_BYTE:
+                    case GL_UNSIGNED_SHORT_4_4_4_4:
+                    case GL_UNSIGNED_SHORT_5_5_5_1:
+                    case GL_FLOAT:
+                    case GL_HALF_FLOAT_OES:
+                    case GL_UNSIGNED_INT_2_10_10_10_REV_EXT:
+                        break;
+                    case GL_SHORT:
+                    case GL_UNSIGNED_SHORT:
+                        if (!context->getExtensions().textureNorm16EXT)
+                        {
+                            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                     kMismatchedTypeAndFormat);
+                            return false;
+                        }
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_BGRA_EXT:
+                if (!context->getExtensions().textureFormatBGRA8888EXT)
+                {
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              format);
+                    return false;
+                }
+                switch (type)
+                {
+                    case GL_UNSIGNED_BYTE:
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_SRGB_EXT:
+            case GL_SRGB_ALPHA_EXT:
+                if (!context->getExtensions().sRGBEXT)
+                {
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              format);
+                    return false;
+                }
+                switch (type)
+                {
+                    case GL_UNSIGNED_BYTE:
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_DEPTH_COMPONENT:
+                switch (type)
+                {
+                    case GL_UNSIGNED_SHORT:
+                    case GL_UNSIGNED_INT:
+                        break;
+                    case GL_FLOAT:
+                        if (!context->getExtensions().depthBufferFloat2NV)
+                        {
+                            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                     kMismatchedTypeAndFormat);
+                            return false;
+                        }
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_DEPTH_STENCIL_OES:
+                switch (type)
+                {
+                    case GL_UNSIGNED_INT_24_8_OES:
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            case GL_STENCIL_INDEX:
+                switch (type)
+                {
+                    case GL_UNSIGNED_BYTE:
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                }
+                break;
+            default:
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, format);
+                return false;
+        }
+
+        switch (format)
+        {
+            case GL_DEPTH_COMPONENT:
+            case GL_DEPTH_STENCIL_OES:
+                if (!context->getExtensions().depthTextureANGLE &&
+                    !((context->getExtensions().packedDepthStencilOES ||
+                       context->getExtensions().depthTextureCubeMapOES) &&
+                      context->getExtensions().depthTextureOES))
+                {
+                    context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                              format);
+                    return false;
+                }
+
+                switch (target)
+                {
+                    case TextureTarget::_2D:
+                        break;
+                    case TextureTarget::CubeMapNegativeX:
+                    case TextureTarget::CubeMapNegativeY:
+                    case TextureTarget::CubeMapNegativeZ:
+                    case TextureTarget::CubeMapPositiveX:
+                    case TextureTarget::CubeMapPositiveY:
+                    case TextureTarget::CubeMapPositiveZ:
+                        if (!context->getExtensions().depthTextureCubeMapOES)
+                        {
+                            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                     kMismatchedTargetAndFormat);
+                            return false;
+                        }
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTargetAndFormat);
+                        return false;
+                }
+
+                // OES_depth_texture supports loading depth data and multiple levels,
+                // but ANGLE_depth_texture does not
+                if (!context->getExtensions().depthTextureOES)
+                {
+                    if (pixels != nullptr)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kPixelDataNotNull);
+                        return false;
+                    }
+                    if (level != 0)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION, kLevelNotZero);
+                        return false;
+                    }
+                }
+                break;
+            case GL_STENCIL_INDEX:
+                if (!context->getExtensions().textureStencil8OES)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+                    return false;
+                }
+
+                switch (target)
+                {
+                    case TextureTarget::_2D:
+                    case TextureTarget::_2DArray:
+                    case TextureTarget::CubeMapNegativeX:
+                    case TextureTarget::CubeMapNegativeY:
+                    case TextureTarget::CubeMapNegativeZ:
+                    case TextureTarget::CubeMapPositiveX:
+                    case TextureTarget::CubeMapPositiveY:
+                    case TextureTarget::CubeMapPositiveZ:
+                        break;
+                    default:
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTargetAndFormat);
+                        return false;
+                }
+
+                if (internalformat != GL_STENCIL_INDEX8)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kMismatchedTargetAndFormat);
+                    return false;
+                }
+                break;
+            default:
+                break;
+        }
+
+        if (!isSubImage)
+        {
+            switch (internalformat)
+            {
+                // Core ES 2.0 formats
+                case GL_ALPHA:
+                case GL_LUMINANCE:
+                case GL_LUMINANCE_ALPHA:
+                case GL_RGB:
+                case GL_RGBA:
+                    break;
+
+                case GL_RGBA32F:
+                    if (!context->getExtensions().colorBufferFloatRgbaCHROMIUM)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                        return false;
+                    }
+
+                    nonEqualFormatsAllowed = true;
+
+                    if (type != GL_FLOAT)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                    }
+                    if (format != GL_RGBA)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                    }
+                    break;
+
+                case GL_RGB32F:
+                    if (!context->getExtensions().colorBufferFloatRgbCHROMIUM)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                        return false;
+                    }
+
+                    nonEqualFormatsAllowed = true;
+
+                    if (type != GL_FLOAT)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                    }
+                    if (format != GL_RGB)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                    }
+                    break;
+
+                case GL_BGRA_EXT:
+                    if (!context->getExtensions().textureFormatBGRA8888EXT)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                        return false;
+                    }
+                    break;
+
+                case GL_DEPTH_COMPONENT:
+                    if (!(context->getExtensions().depthTextureAny()))
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                        return false;
+                    }
+                    break;
+
+                case GL_DEPTH_STENCIL:
+                    if (!(context->getExtensions().depthTextureANGLE ||
+                          context->getExtensions().packedDepthStencilOES ||
+                          context->getExtensions().depthTextureCubeMapOES))
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                        return false;
+                    }
+                    break;
+
+                case GL_STENCIL_INDEX8:
+                    if (!context->getExtensions().textureStencil8OES)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                        return false;
+                    }
+                    break;
+
+                case GL_RED:
+                case GL_RG:
+                    if (!context->getExtensions().textureRgEXT)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                        return false;
+                    }
+                    break;
+
+                case GL_SRGB_EXT:
+                case GL_SRGB_ALPHA_EXT:
+                    if (!context->getExtensions().sRGBEXT)
+                    {
+                        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                                  internalformat);
+                        return false;
+                    }
+                    break;
+
+                case GL_RGB10_A2_EXT:
+                    if (!context->getExtensions().textureType2101010REVEXT)
+                    {
+                        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                                  internalformat);
+                        return false;
+                    }
+
+                    if (type != GL_UNSIGNED_INT_2_10_10_10_REV_EXT || format != GL_RGBA)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kMismatchedTypeAndFormat);
+                        return false;
+                    }
+
+                    nonEqualFormatsAllowed = true;
+
+                    break;
+
+                case GL_RGB5_A1:
+                    if (context->getExtensions().textureType2101010REVEXT &&
+                        type == GL_UNSIGNED_INT_2_10_10_10_REV_EXT && format == GL_RGBA)
+                    {
+                        nonEqualFormatsAllowed = true;
+                    }
+
+                    break;
+
+                case GL_RGBX8_ANGLE:
+                    if (context->getExtensions().rgbxInternalFormatANGLE &&
+                        type == GL_UNSIGNED_BYTE && format == GL_RGB)
+                    {
+                        nonEqualFormatsAllowed = true;
+                    }
+
+                    break;
+
+                case GL_R16_EXT:
+                case GL_RG16_EXT:
+                case GL_RGB16_EXT:
+                case GL_RGBA16_EXT:
+                case GL_R16_SNORM_EXT:
+                case GL_RG16_SNORM_EXT:
+                case GL_RGB16_SNORM_EXT:
+                case GL_RGBA16_SNORM_EXT:
+                    if (!context->getExtensions().textureNorm16EXT)
+                    {
+                        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                                  internalformat);
+                        return false;
+                    }
+                    break;
+                default:
+                    // Compressed formats are not valid internal formats for glTexImage*D
+                    context->validationErrorF(entryPoint, GL_INVALID_VALUE, kInvalidInternalFormat,
+                                              internalformat);
+                    return false;
+            }
+        }
+
+        if (type == GL_FLOAT)
+        {
+            if (!context->getExtensions().textureFloatOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, type);
+                return false;
+            }
+        }
+        else if (type == GL_HALF_FLOAT_OES)
+        {
+            if (!context->getExtensions().textureHalfFloatOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, type);
+                return false;
+            }
+        }
+    }
+
+    if (isSubImage)
+    {
+        const InternalFormat &textureInternalFormat = *texture->getFormat(target, level).info;
+        if (textureInternalFormat.internalFormat == GL_NONE)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureLevel);
+            return false;
+        }
+
+        if (format != textureInternalFormat.format)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, err::kTextureFormatMismatch);
+            return false;
+        }
+
+        if (context->isWebGL())
+        {
+            if (GetInternalFormatInfo(format, type).sizedInternalFormat !=
+                textureInternalFormat.sizedInternalFormat)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureTypeMismatch);
+                return false;
+            }
+        }
+
+        if (static_cast<size_t>(xoffset + width) > texture->getWidth(target, level) ||
+            static_cast<size_t>(yoffset + height) > texture->getHeight(target, level))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow);
+            return false;
+        }
+
+        if (width > 0 && height > 0 && pixels == nullptr &&
+            context->getState().getTargetBuffer(BufferBinding::PixelUnpack) == nullptr)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kPixelDataNull);
+            return false;
+        }
+    }
+    else
+    {
+        if (texture->getImmutableFormat())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsImmutable);
+            return false;
+        }
+    }
+
+    // From GL_CHROMIUM_color_buffer_float_rgb[a]:
+    // GL_RGB[A] / GL_RGB[A]32F becomes an allowable format / internalformat parameter pair for
+    // TexImage2D. The restriction in section 3.7.1 of the OpenGL ES 2.0 spec that the
+    // internalformat parameter and format parameter of TexImage2D must match is lifted for this
+    // case.
+    if (!isSubImage && !isCompressed && internalformat != format && !nonEqualFormatsAllowed)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormatCombination);
+        return false;
+    }
+
+    GLenum sizeCheckFormat = isSubImage ? format : internalformat;
+    return ValidImageDataSize(context, entryPoint, texType, width, height, 1, sizeCheckFormat, type,
+                              pixels, imageSize);
+}
+
+bool ValidateES2TexStorageParametersBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType target,
+                                         GLsizei levels,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height)
+{
+    if (target != TextureType::_2D && target != TextureType::CubeMap &&
+        target != TextureType::Rectangle)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    if (width < 1 || height < 1 || levels < 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureSizeTooSmall);
+        return false;
+    }
+
+    if (target == TextureType::CubeMap && width != height)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kCubemapFacesEqualDimensions);
+        return false;
+    }
+
+    if (levels != 1 && levels != log2(std::max(width, height)) + 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidMipLevels);
+        return false;
+    }
+
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat);
+    if (formatInfo.format == GL_NONE || formatInfo.type == GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+
+    switch (target)
+    {
+        case TextureType::_2D:
+            if (width > caps.max2DTextureSize || height > caps.max2DTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+        case TextureType::Rectangle:
+            if (levels != 1)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                return false;
+            }
+
+            if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            if (formatInfo.compressed)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kRectangleTextureCompressed);
+                return false;
+            }
+            break;
+        case TextureType::CubeMap:
+            if (width > caps.maxCubeMapTextureSize || height > caps.maxCubeMapTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+        case TextureType::InvalidEnum:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kEnumInvalid);
+            return false;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                      ToGLenum(target));
+            return false;
+    }
+
+    if (levels != 1 && !context->getExtensions().textureNpotOES)
+    {
+        if (!isPow2(width) || !isPow2(height))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kDimensionsMustBePow2);
+            return false;
+        }
+    }
+
+    if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+        return false;
+    }
+
+    // Even with OES_texture_npot, some compressed formats may impose extra restrictions.
+    if (formatInfo.compressed)
+    {
+        if (!ValidCompressedImageSize(context, formatInfo.internalFormat, 0, width, height, 1))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidCompressedImageSize);
+            return false;
+        }
+    }
+
+    switch (internalformat)
+    {
+        case GL_DEPTH_COMPONENT16:
+        case GL_DEPTH_COMPONENT32_OES:
+            switch (target)
+            {
+                case TextureType::_2D:
+                    break;
+                case TextureType::CubeMap:
+                    if (!context->getExtensions().depthTextureCubeMapOES)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kInvalidTextureTarget);
+                        return false;
+                    }
+                    break;
+                default:
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kInvalidTextureTarget);
+                    return false;
+            }
+
+            // ANGLE_depth_texture only supports 1-level textures
+            if (!context->getExtensions().depthTextureOES)
+            {
+                if (levels != 1)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidMipLevels);
+                    return false;
+                }
+            }
+            break;
+        case GL_DEPTH24_STENCIL8_OES:
+            switch (target)
+            {
+                case TextureType::_2D:
+                    break;
+                case TextureType::CubeMap:
+                    if (!context->getExtensions().depthTextureCubeMapOES)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kInvalidTextureTarget);
+                        return false;
+                    }
+                    break;
+                default:
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kInvalidTextureTarget);
+                    return false;
+            }
+
+            if (!context->getExtensions().packedDepthStencilOES &&
+                !context->getExtensions().depthTextureCubeMapOES)
+            {
+                // ANGLE_depth_texture only supports 1-level textures
+                if (levels != 1)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidMipLevels);
+                    return false;
+                }
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    Texture *texture = context->getTextureByType(target);
+    if (!texture || texture->id().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingTexture);
+        return false;
+    }
+
+    if (texture->getImmutableFormat())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsImmutable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDiscardFramebufferEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei numAttachments,
+                                   const GLenum *attachments)
+{
+    if (!context->getExtensions().discardFramebufferEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    bool defaultFramebuffer = false;
+
+    switch (target)
+    {
+        case GL_FRAMEBUFFER:
+            defaultFramebuffer =
+                (context->getState().getTargetFramebuffer(GL_FRAMEBUFFER)->isDefault());
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+            return false;
+    }
+
+    return ValidateDiscardFramebufferBase(context, entryPoint, target, numAttachments, attachments,
+                                          defaultFramebuffer);
+}
+
+bool ValidateBindVertexArrayOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                VertexArrayID array)
+{
+    if (!context->getExtensions().vertexArrayObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBindVertexArrayBase(context, entryPoint, array);
+}
+
+bool ValidateDeleteVertexArraysOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const VertexArrayID *arrays)
+{
+    if (!context->getExtensions().vertexArrayObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenVertexArraysOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const VertexArrayID *arrays)
+{
+    if (!context->getExtensions().vertexArrayObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateIsVertexArrayOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              VertexArrayID array)
+{
+    if (!context->getExtensions().vertexArrayObjectOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramBinaryOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              GLenum binaryFormat,
+                              const void *binary,
+                              GLint length)
+{
+    if (!context->getExtensions().getProgramBinaryOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramBinaryBase(context, entryPoint, program, binaryFormat, binary, length);
+}
+
+bool ValidateGetProgramBinaryOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID program,
+                                 GLsizei bufSize,
+                                 const GLsizei *length,
+                                 const GLenum *binaryFormat,
+                                 const void *binary)
+{
+    if (!context->getExtensions().getProgramBinaryOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGetProgramBinaryBase(context, entryPoint, program, bufSize, length, binaryFormat,
+                                        binary);
+}
+
+static bool ValidDebugSource(GLenum source, bool mustBeThirdPartyOrApplication)
+{
+    switch (source)
+    {
+        case GL_DEBUG_SOURCE_API:
+        case GL_DEBUG_SOURCE_SHADER_COMPILER:
+        case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
+        case GL_DEBUG_SOURCE_OTHER:
+            // Only THIRD_PARTY and APPLICATION sources are allowed to be manually inserted
+            return !mustBeThirdPartyOrApplication;
+
+        case GL_DEBUG_SOURCE_THIRD_PARTY:
+        case GL_DEBUG_SOURCE_APPLICATION:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+static bool ValidDebugType(GLenum type)
+{
+    switch (type)
+    {
+        case GL_DEBUG_TYPE_ERROR:
+        case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
+        case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
+        case GL_DEBUG_TYPE_PERFORMANCE:
+        case GL_DEBUG_TYPE_PORTABILITY:
+        case GL_DEBUG_TYPE_OTHER:
+        case GL_DEBUG_TYPE_MARKER:
+        case GL_DEBUG_TYPE_PUSH_GROUP:
+        case GL_DEBUG_TYPE_POP_GROUP:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+static bool ValidDebugSeverity(GLenum severity)
+{
+    switch (severity)
+    {
+        case GL_DEBUG_SEVERITY_HIGH:
+        case GL_DEBUG_SEVERITY_MEDIUM:
+        case GL_DEBUG_SEVERITY_LOW:
+        case GL_DEBUG_SEVERITY_NOTIFICATION:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidateDebugMessageControlKHR(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum source,
+                                    GLenum type,
+                                    GLenum severity,
+                                    GLsizei count,
+                                    const GLuint *ids,
+                                    GLboolean enabled)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidDebugSource(source, false) && source != GL_DONT_CARE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDebugSource);
+        return false;
+    }
+
+    if (!ValidDebugType(type) && type != GL_DONT_CARE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDebugType);
+        return false;
+    }
+
+    if (!ValidDebugSeverity(severity) && severity != GL_DONT_CARE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDebugSeverity);
+        return false;
+    }
+
+    if (count > 0)
+    {
+        if (source == GL_DONT_CARE || type == GL_DONT_CARE)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidDebugSourceType);
+            return false;
+        }
+
+        if (severity != GL_DONT_CARE)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidDebugSeverity);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateDebugMessageInsertKHR(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum source,
+                                   GLenum type,
+                                   GLuint id,
+                                   GLenum severity,
+                                   GLsizei length,
+                                   const GLchar *buf)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!context->getState().getDebug().isOutputEnabled())
+    {
+        // If the DEBUG_OUTPUT state is disabled calls to DebugMessageInsert are discarded and do
+        // not generate an error.
+        return false;
+    }
+
+    if (!ValidDebugSeverity(severity))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDebugSource);
+        return false;
+    }
+
+    if (!ValidDebugType(type))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDebugType);
+        return false;
+    }
+
+    if (!ValidDebugSource(source, true))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDebugSource);
+        return false;
+    }
+
+    size_t messageLength = (length < 0) ? strlen(buf) : length;
+    if (messageLength > context->getCaps().maxDebugMessageLength)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxDebugMessageLength);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDebugMessageCallbackKHR(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLDEBUGPROCKHR callback,
+                                     const void *userParam)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetDebugMessageLogKHR(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint count,
+                                   GLsizei bufSize,
+                                   const GLenum *sources,
+                                   const GLenum *types,
+                                   const GLuint *ids,
+                                   const GLenum *severities,
+                                   const GLsizei *lengths,
+                                   const GLchar *messageLog)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (bufSize < 0 && messageLog != nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidatePushDebugGroupKHR(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum source,
+                               GLuint id,
+                               GLsizei length,
+                               const GLchar *message)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidDebugSource(source, true))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDebugSource);
+        return false;
+    }
+
+    size_t messageLength = (length < 0) ? strlen(message) : length;
+    if (messageLength > context->getCaps().maxDebugMessageLength)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxDebugMessageLength);
+        return false;
+    }
+
+    size_t currentStackSize = context->getState().getDebug().getGroupStackDepth();
+    if (currentStackSize >= context->getCaps().maxDebugGroupStackDepth)
+    {
+        context->validationError(entryPoint, GL_STACK_OVERFLOW, kExceedsMaxDebugGroupStackDepth);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidatePopDebugGroupKHR(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    size_t currentStackSize = context->getState().getDebug().getGroupStackDepth();
+    if (currentStackSize <= 1)
+    {
+        context->validationError(entryPoint, GL_STACK_UNDERFLOW, kCannotPopDefaultDebugGroup);
+        return false;
+    }
+
+    return true;
+}
+
+static bool ValidateObjectIdentifierAndName(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum identifier,
+                                            GLuint name)
+{
+    switch (identifier)
+    {
+        case GL_BUFFER:
+            if (context->getBuffer({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBufferName);
+                return false;
+            }
+            return true;
+
+        case GL_SHADER:
+            if (context->getShader({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidShaderName);
+                return false;
+            }
+            return true;
+
+        case GL_PROGRAM:
+            if (context->getProgramNoResolveLink({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProgramName);
+                return false;
+            }
+            return true;
+
+        case GL_VERTEX_ARRAY:
+            if (context->getVertexArray({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidVertexArrayName);
+                return false;
+            }
+            return true;
+
+        case GL_QUERY:
+            if (context->getQuery({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidQueryName);
+                return false;
+            }
+            return true;
+
+        case GL_TRANSFORM_FEEDBACK:
+            if (context->getTransformFeedback({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kInvalidTransformFeedbackName);
+                return false;
+            }
+            return true;
+
+        case GL_SAMPLER:
+            if (context->getSampler({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSamplerName);
+                return false;
+            }
+            return true;
+
+        case GL_TEXTURE:
+            if (context->getTexture({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidTextureName);
+                return false;
+            }
+            return true;
+
+        case GL_RENDERBUFFER:
+            if (!context->isRenderbuffer({name}))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidRenderbufferName);
+                return false;
+            }
+            return true;
+
+        case GL_FRAMEBUFFER:
+            if (context->getFramebuffer({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFramebufferName);
+                return false;
+            }
+            return true;
+
+        case GL_PROGRAM_PIPELINE:
+            if (context->getProgramPipeline({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProgramPipelineName);
+                return false;
+            }
+            return true;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidIndentifier);
+            return false;
+    }
+}
+
+static bool ValidateLabelLength(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei length,
+                                const GLchar *label)
+{
+    size_t labelLength = 0;
+
+    if (length < 0)
+    {
+        if (label != nullptr)
+        {
+            labelLength = strlen(label);
+        }
+    }
+    else
+    {
+        labelLength = static_cast<size_t>(length);
+    }
+
+    if (labelLength > context->getCaps().maxLabelLength)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxLabelLength);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateObjectLabelKHR(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum identifier,
+                            GLuint name,
+                            GLsizei length,
+                            const GLchar *label)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateObjectIdentifierAndName(context, entryPoint, identifier, name))
+    {
+        return false;
+    }
+
+    if (!ValidateLabelLength(context, entryPoint, length, label))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetObjectLabelKHR(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum identifier,
+                               GLuint name,
+                               GLsizei bufSize,
+                               const GLsizei *length,
+                               const GLchar *label)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    if (!ValidateObjectIdentifierAndName(context, entryPoint, identifier, name))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+static bool ValidateObjectPtrName(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const void *ptr)
+{
+    if (context->getSync(reinterpret_cast<GLsync>(const_cast<void *>(ptr))) == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSyncPointer);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateObjectPtrLabelKHR(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const void *ptr,
+                               GLsizei length,
+                               const GLchar *label)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateObjectPtrName(context, entryPoint, ptr))
+    {
+        return false;
+    }
+
+    if (!ValidateLabelLength(context, entryPoint, length, label))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetObjectPtrLabelKHR(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const void *ptr,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLchar *label)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    if (!ValidateObjectPtrName(context, entryPoint, ptr))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPointervKHR(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum pname,
+                            void *const *params)
+{
+    if (!context->getExtensions().debugKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    // TODO: represent this in Context::getQueryParameterInfo.
+    switch (pname)
+    {
+        case GL_DEBUG_CALLBACK_FUNCTION:
+        case GL_DEBUG_CALLBACK_USER_PARAM:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPointervRobustANGLERobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               void *const *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateBlitFramebufferANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLint srcX0,
+                                  GLint srcY0,
+                                  GLint srcX1,
+                                  GLint srcY1,
+                                  GLint dstX0,
+                                  GLint dstY0,
+                                  GLint dstX1,
+                                  GLint dstY1,
+                                  GLbitfield mask,
+                                  GLenum filter)
+{
+    if (!context->getExtensions().framebufferBlitANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBlitExtensionNotAvailable);
+        return false;
+    }
+
+    if (srcX1 - srcX0 != dstX1 - dstX0 || srcY1 - srcY0 != dstY1 - dstY0)
+    {
+        // TODO(jmadill): Determine if this should be available on other implementations.
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBlitExtensionScaleOrFlip);
+        return false;
+    }
+
+    if (filter == GL_LINEAR)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kBlitExtensionLinear);
+        return false;
+    }
+
+    Framebuffer *readFramebuffer = context->getState().getReadFramebuffer();
+    Framebuffer *drawFramebuffer = context->getState().getDrawFramebuffer();
+
+    if (mask & GL_COLOR_BUFFER_BIT)
+    {
+        const FramebufferAttachment *readColorAttachment =
+            readFramebuffer->getReadColorAttachment();
+        const FramebufferAttachment *drawColorAttachment =
+            drawFramebuffer->getFirstColorAttachment();
+
+        if (readColorAttachment && drawColorAttachment)
+        {
+            if (!(readColorAttachment->type() == GL_TEXTURE &&
+                  (readColorAttachment->getTextureImageIndex().getType() == TextureType::_2D ||
+                   readColorAttachment->getTextureImageIndex().getType() ==
+                       TextureType::Rectangle)) &&
+                readColorAttachment->type() != GL_RENDERBUFFER &&
+                readColorAttachment->type() != GL_FRAMEBUFFER_DEFAULT)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kBlitExtensionFromInvalidAttachmentType);
+                return false;
+            }
+
+            for (size_t drawbufferIdx = 0;
+                 drawbufferIdx < drawFramebuffer->getDrawbufferStateCount(); ++drawbufferIdx)
+            {
+                const FramebufferAttachment *attachment =
+                    drawFramebuffer->getDrawBuffer(drawbufferIdx);
+                if (attachment)
+                {
+                    if (!(attachment->type() == GL_TEXTURE &&
+                          (attachment->getTextureImageIndex().getType() == TextureType::_2D ||
+                           attachment->getTextureImageIndex().getType() ==
+                               TextureType::Rectangle)) &&
+                        attachment->type() != GL_RENDERBUFFER &&
+                        attachment->type() != GL_FRAMEBUFFER_DEFAULT)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kBlitExtensionToInvalidAttachmentType);
+                        return false;
+                    }
+
+                    // Return an error if the destination formats do not match
+                    if (!Format::EquivalentForBlit(attachment->getFormat(),
+                                                   readColorAttachment->getFormat()))
+                    {
+                        context->validationErrorF(
+                            entryPoint, GL_INVALID_OPERATION, kBlitExtensionFormatMismatch,
+                            readColorAttachment->getFormat().info->sizedInternalFormat,
+                            attachment->getFormat().info->sizedInternalFormat);
+                        return false;
+                    }
+                }
+            }
+
+            GLint samples = readFramebuffer->getSamples(context);
+            if (samples != 0 &&
+                IsPartialBlit(context, readColorAttachment, drawColorAttachment, srcX0, srcY0,
+                              srcX1, srcY1, dstX0, dstY0, dstX1, dstY1))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kBlitExtensionMultisampledWholeBufferBlit);
+                return false;
+            }
+        }
+    }
+
+    GLenum masks[]       = {GL_DEPTH_BUFFER_BIT, GL_STENCIL_BUFFER_BIT};
+    GLenum attachments[] = {GL_DEPTH_ATTACHMENT, GL_STENCIL_ATTACHMENT};
+    for (size_t i = 0; i < 2; i++)
+    {
+        if (mask & masks[i])
+        {
+            const FramebufferAttachment *readBuffer =
+                readFramebuffer->getAttachment(context, attachments[i]);
+            const FramebufferAttachment *drawBuffer =
+                drawFramebuffer->getAttachment(context, attachments[i]);
+
+            if (readBuffer && drawBuffer)
+            {
+                if (IsPartialBlit(context, readBuffer, drawBuffer, srcX0, srcY0, srcX1, srcY1,
+                                  dstX0, dstY0, dstX1, dstY1))
+                {
+                    // only whole-buffer copies are permitted
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kBlitExtensionDepthStencilWholeBufferBlit);
+                    return false;
+                }
+
+                if (readBuffer->getResourceSamples() != 0 || drawBuffer->getResourceSamples() != 0)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kBlitExtensionMultisampledDepthOrStencil);
+                    return false;
+                }
+            }
+        }
+    }
+
+    return ValidateBlitFramebufferParameters(context, entryPoint, srcX0, srcY0, srcX1, srcY1, dstX0,
+                                             dstY0, dstX1, dstY1, mask, filter);
+}
+
+bool ValidateBlitFramebufferNV(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLint srcX0,
+                               GLint srcY0,
+                               GLint srcX1,
+                               GLint srcY1,
+                               GLint dstX0,
+                               GLint dstY0,
+                               GLint dstX1,
+                               GLint dstY1,
+                               GLbitfield mask,
+                               GLenum filter)
+{
+    if (!context->getExtensions().framebufferBlitANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBlitExtensionNotAvailable);
+        return false;
+    }
+
+    return ValidateBlitFramebufferParameters(context, entryPoint, srcX0, srcY0, srcX1, srcY1, dstX0,
+                                             dstY0, dstX1, dstY1, mask, filter);
+}
+
+bool ValidateClear(const Context *context, angle::EntryPoint entryPoint, GLbitfield mask)
+{
+    Framebuffer *fbo             = context->getState().getDrawFramebuffer();
+    const Extensions &extensions = context->getExtensions();
+
+    if (!ValidateFramebufferComplete(context, entryPoint, fbo))
+    {
+        return false;
+    }
+
+    if ((mask & ~(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidClearMask);
+        return false;
+    }
+
+    if (extensions.webglCompatibilityANGLE && (mask & GL_COLOR_BUFFER_BIT) != 0)
+    {
+        constexpr GLenum validComponentTypes[] = {GL_FLOAT, GL_UNSIGNED_NORMALIZED,
+                                                  GL_SIGNED_NORMALIZED};
+
+        for (GLuint drawBufferIdx = 0; drawBufferIdx < fbo->getDrawbufferStateCount();
+             drawBufferIdx++)
+        {
+            if (!ValidateWebGLFramebufferAttachmentClearType(context, entryPoint, drawBufferIdx,
+                                                             validComponentTypes,
+                                                             ArraySize(validComponentTypes)))
+            {
+                return false;
+            }
+        }
+    }
+
+    if ((extensions.multiviewOVR || extensions.multiview2OVR) && extensions.disjointTimerQueryEXT)
+    {
+        const State &state       = context->getState();
+        Framebuffer *framebuffer = state.getDrawFramebuffer();
+        if (framebuffer->getNumViews() > 1 && state.isQueryActive(QueryType::TimeElapsed))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kMultiviewTimerQuery);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateDrawBuffersEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei n,
+                            const GLenum *bufs)
+{
+    if (!context->getExtensions().drawBuffersEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawBuffersBase(context, entryPoint, n, bufs);
+}
+
+bool ValidateTexImage2D(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        TextureTarget target,
+                        GLint level,
+                        GLint internalformat,
+                        GLsizei width,
+                        GLsizei height,
+                        GLint border,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2TexImageParameters(context, entryPoint, target, level, internalformat,
+                                             false, false, 0, 0, width, height, border, format,
+                                             type, -1, pixels);
+    }
+
+    ASSERT(context->getClientMajorVersion() >= 3);
+    return ValidateES3TexImage2DParameters(context, entryPoint, target, level, internalformat,
+                                           false, false, 0, 0, 0, width, height, 1, border, format,
+                                           type, -1, pixels);
+}
+
+bool ValidateTexImage2DRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureTarget target,
+                                   GLint level,
+                                   GLint internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLint border,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const void *pixels)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2TexImageParameters(context, entryPoint, target, level, internalformat,
+                                             false, false, 0, 0, width, height, border, format,
+                                             type, bufSize, pixels);
+    }
+
+    ASSERT(context->getClientMajorVersion() >= 3);
+    return ValidateES3TexImage2DParameters(context, entryPoint, target, level, internalformat,
+                                           false, false, 0, 0, 0, width, height, 1, border, format,
+                                           type, bufSize, pixels);
+}
+
+bool ValidateTexSubImage2D(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureTarget target,
+                           GLint level,
+                           GLint xoffset,
+                           GLint yoffset,
+                           GLsizei width,
+                           GLsizei height,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels)
+{
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2TexImageParameters(context, entryPoint, target, level, GL_NONE, false,
+                                             true, xoffset, yoffset, width, height, 0, format, type,
+                                             -1, pixels);
+    }
+
+    ASSERT(context->getClientMajorVersion() >= 3);
+    return ValidateES3TexImage2DParameters(context, entryPoint, target, level, GL_NONE, false, true,
+                                           xoffset, yoffset, 0, width, height, 1, 0, format, type,
+                                           -1, pixels);
+}
+
+bool ValidateTexSubImage2DRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      TextureTarget target,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLint yoffset,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLenum format,
+                                      GLenum type,
+                                      GLsizei bufSize,
+                                      const void *pixels)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2TexImageParameters(context, entryPoint, target, level, GL_NONE, false,
+                                             true, xoffset, yoffset, width, height, 0, format, type,
+                                             bufSize, pixels);
+    }
+
+    ASSERT(context->getClientMajorVersion() >= 3);
+    return ValidateES3TexImage2DParameters(context, entryPoint, target, level, GL_NONE, false, true,
+                                           xoffset, yoffset, 0, width, height, 1, 0, format, type,
+                                           bufSize, pixels);
+}
+
+bool ValidateTexSubImage3DOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureTarget target,
+                              GLint level,
+                              GLint xoffset,
+                              GLint yoffset,
+                              GLint zoffset,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels)
+{
+    return ValidateTexSubImage3D(context, entryPoint, target, level, xoffset, yoffset, zoffset,
+                                 width, height, depth, format, type, pixels);
+}
+
+bool ValidateCompressedTexImage2D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureTarget target,
+                                  GLint level,
+                                  GLenum internalformat,
+                                  GLsizei width,
+                                  GLsizei height,
+                                  GLint border,
+                                  GLsizei imageSize,
+                                  const void *data)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        if (!ValidateES2TexImageParameters(context, entryPoint, target, level, internalformat, true,
+                                           false, 0, 0, width, height, border, GL_NONE, GL_NONE, -1,
+                                           data))
+        {
+            return false;
+        }
+    }
+    else
+    {
+        ASSERT(context->getClientMajorVersion() >= 3);
+        if (!ValidateES3TexImage2DParameters(context, entryPoint, target, level, internalformat,
+                                             true, false, 0, 0, 0, width, height, 1, border,
+                                             GL_NONE, GL_NONE, -1, data))
+        {
+            return false;
+        }
+    }
+
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat);
+
+    GLuint expectedImageSize = 0;
+    if (!formatInfo.computeCompressedImageSize(Extents(width, height, 1), &expectedImageSize))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+        return false;
+    }
+
+    if (imageSize < 0 || static_cast<GLuint>(imageSize) != expectedImageSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                 kCompressedTextureDimensionsMustMatchData);
+        return false;
+    }
+
+    if (target == TextureTarget::Rectangle)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kRectangleTextureCompressed);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCompressedTexImage2DRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             TextureTarget target,
+                                             GLint level,
+                                             GLenum internalformat,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLint border,
+                                             GLsizei imageSize,
+                                             GLsizei dataSize,
+                                             const void *data)
+{
+    if (!ValidateRobustCompressedTexImageBase(context, entryPoint, imageSize, dataSize))
+    {
+        return false;
+    }
+
+    return ValidateCompressedTexImage2D(context, entryPoint, target, level, internalformat, width,
+                                        height, border, imageSize, data);
+}
+
+bool ValidateCompressedTexImage3DOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLenum internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLint border,
+                                     GLsizei imageSize,
+                                     const void *data)
+{
+    return ValidateCompressedTexImage3D(context, entryPoint, target, level, internalformat, width,
+                                        height, depth, border, imageSize, data);
+}
+
+bool ValidateCompressedTexSubImage2DRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                TextureTarget target,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLenum format,
+                                                GLsizei imageSize,
+                                                GLsizei dataSize,
+                                                const void *data)
+{
+    if (!ValidateRobustCompressedTexImageBase(context, entryPoint, imageSize, dataSize))
+    {
+        return false;
+    }
+
+    return ValidateCompressedTexSubImage2D(context, entryPoint, target, level, xoffset, yoffset,
+                                           width, height, format, imageSize, data);
+}
+
+bool ValidateCompressedTexSubImage2D(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLenum format,
+                                     GLsizei imageSize,
+                                     const void *data)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        if (!ValidateES2TexImageParameters(context, entryPoint, target, level, GL_NONE, true, true,
+                                           xoffset, yoffset, width, height, 0, format, GL_NONE, -1,
+                                           data))
+        {
+            return false;
+        }
+    }
+    else
+    {
+        ASSERT(context->getClientMajorVersion() >= 3);
+        if (!ValidateES3TexImage2DParameters(context, entryPoint, target, level, GL_NONE, true,
+                                             true, xoffset, yoffset, 0, width, height, 1, 0, format,
+                                             GL_NONE, -1, data))
+        {
+            return false;
+        }
+    }
+
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(format);
+    GLuint blockSize                 = 0;
+    if (!formatInfo.computeCompressedImageSize(Extents(width, height, 1), &blockSize))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+        return false;
+    }
+
+    if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCompressedImageSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCompressedTexSubImage3DOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureTarget target,
+                                        GLint level,
+                                        GLint xoffset,
+                                        GLint yoffset,
+                                        GLint zoffset,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        GLenum format,
+                                        GLsizei imageSize,
+                                        const void *data)
+{
+    return ValidateCompressedTexSubImage3D(context, entryPoint, target, level, xoffset, yoffset,
+                                           zoffset, width, height, depth, format, imageSize, data);
+}
+
+bool ValidateGetBufferPointervOES(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferBinding target,
+                                  GLenum pname,
+                                  void *const *params)
+{
+    if (!context->getExtensions().mapbufferOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGetBufferPointervBase(context, entryPoint, target, pname, nullptr, params);
+}
+
+bool ValidateMapBufferOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          BufferBinding target,
+                          GLenum access)
+{
+    if (!context->getExtensions().mapbufferOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    Buffer *buffer = context->getState().getTargetBuffer(target);
+
+    if (buffer == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotMappable);
+        return false;
+    }
+
+    if (access != GL_WRITE_ONLY_OES)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAccessBits);
+        return false;
+    }
+
+    // Though there is no explicit mention of an interaction between GL_EXT_buffer_storage
+    // and GL_OES_mapbuffer extension, allow it as long as the access type of glmapbufferOES
+    // is compatible with the buffer's usage flags specified during glBufferStorageEXT
+    if (buffer->isImmutable() && (buffer->getStorageExtUsageFlags() & GL_MAP_WRITE_BIT) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotMappable);
+        return false;
+    }
+
+    if (buffer->isMapped())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferAlreadyMapped);
+        return false;
+    }
+
+    return ValidateMapBufferBase(context, entryPoint, target);
+}
+
+bool ValidateUnmapBufferOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferBinding target)
+{
+    if (!context->getExtensions().mapbufferOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateUnmapBufferBase(context, entryPoint, target);
+}
+
+bool ValidateMapBufferRangeEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               BufferBinding target,
+                               GLintptr offset,
+                               GLsizeiptr length,
+                               GLbitfield access)
+{
+    if (!context->getExtensions().mapBufferRangeEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateMapBufferRangeBase(context, entryPoint, target, offset, length, access);
+}
+
+bool ValidateMapBufferBase(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           BufferBinding target)
+{
+    Buffer *buffer = context->getState().getTargetBuffer(target);
+    ASSERT(buffer != nullptr);
+
+    // Check if this buffer is currently being used as a transform feedback output buffer
+    if (context->getState().isTransformFeedbackActive())
+    {
+        TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback();
+        for (size_t i = 0; i < transformFeedback->getIndexedBufferCount(); i++)
+        {
+            const auto &transformFeedbackBuffer = transformFeedback->getIndexedBuffer(i);
+            if (transformFeedbackBuffer.get() == buffer)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kBufferBoundForTransformFeedback);
+                return false;
+            }
+        }
+    }
+
+    if (buffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kBufferBoundForTransformFeedback);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFlushMappedBufferRangeEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       BufferBinding target,
+                                       GLintptr offset,
+                                       GLsizeiptr length)
+{
+    if (!context->getExtensions().mapBufferRangeEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateFlushMappedBufferRangeBase(context, entryPoint, target, offset, length);
+}
+
+bool ValidateBindUniformLocationCHROMIUM(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         UniformLocation location,
+                                         const GLchar *name)
+{
+    if (!context->getExtensions().bindUniformLocationCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (location.value < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLocation);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (static_cast<long>(location.value) >=
+        (caps.maxVertexUniformVectors + caps.maxFragmentUniformVectors) * 4)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBindUniformLocation);
+        return false;
+    }
+
+    // The WebGL spec (section 6.20) disallows strings containing invalid ESSL characters for
+    // shader-related entry points
+    if (context->isWebGL() && !IsValidESSLString(name, strlen(name)))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidNameCharacters);
+        return false;
+    }
+
+    if (strncmp(name, "gl_", 3) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNameBeginsWithGL);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCoverageModulationCHROMIUM(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum components)
+{
+    if (!context->getExtensions().framebufferMixedSamplesCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    switch (components)
+    {
+        case GL_RGB:
+        case GL_RGBA:
+        case GL_ALPHA:
+        case GL_NONE:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidCoverageComponents);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyTextureCHROMIUM(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureID sourceId,
+                                 GLint sourceLevel,
+                                 TextureTarget destTarget,
+                                 TextureID destId,
+                                 GLint destLevel,
+                                 GLint internalFormat,
+                                 GLenum destType,
+                                 GLboolean unpackFlipY,
+                                 GLboolean unpackPremultiplyAlpha,
+                                 GLboolean unpackUnmultiplyAlpha)
+{
+    if (!context->getExtensions().copyTextureCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const Texture *source = context->getTexture(sourceId);
+    if (source == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTexture);
+        return false;
+    }
+
+    if (!IsValidCopyTextureSourceTarget(context, source->getType()))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                  internalFormat);
+        return false;
+    }
+
+    TextureType sourceType = source->getType();
+    ASSERT(sourceType != TextureType::CubeMap);
+    TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType);
+
+    if (!IsValidCopyTextureSourceLevel(context, sourceType, sourceLevel))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTextureLevel);
+        return false;
+    }
+
+    GLsizei sourceWidth  = static_cast<GLsizei>(source->getWidth(sourceTarget, sourceLevel));
+    GLsizei sourceHeight = static_cast<GLsizei>(source->getHeight(sourceTarget, sourceLevel));
+    if (sourceWidth == 0 || sourceHeight == 0)
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                  internalFormat);
+        return false;
+    }
+
+    const InternalFormat &sourceFormat = *source->getFormat(sourceTarget, sourceLevel).info;
+    if (!IsValidCopyTextureSourceInternalFormatEnum(sourceFormat.internalFormat))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInvalidSourceTextureInternalFormat);
+        return false;
+    }
+
+    if (!IsValidCopyTextureDestinationTargetEnum(context, destTarget))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    const Texture *dest = context->getTexture(destId);
+    if (dest == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTexture);
+        return false;
+    }
+
+    const InternalFormat &destInternalFormatInfo = GetInternalFormatInfo(internalFormat, destType);
+    if (sourceType == TextureType::External && destInternalFormatInfo.isInt() &&
+        !context->getExtensions().EGLImageExternalEssl3OES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kANGLECopyTextureMissingRequiredExtension);
+        return false;
+    }
+
+    if (!IsValidCopyTextureDestinationTarget(context, dest->getType(), destTarget))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTextureType);
+        return false;
+    }
+
+    if (!IsValidCopyTextureDestinationLevel(context, entryPoint, dest->getType(), destLevel,
+                                            sourceWidth, sourceHeight, false))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    if (!IsValidCopyTextureDestinationFormatType(context, entryPoint, internalFormat, destType))
+    {
+        return false;
+    }
+
+    if (dest->getType() == TextureType::CubeMap && sourceWidth != sourceHeight)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kCubemapFacesEqualDimensions);
+        return false;
+    }
+
+    if (dest->getImmutableFormat())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDestinationImmutable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopySubTextureCHROMIUM(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureID sourceId,
+                                    GLint sourceLevel,
+                                    TextureTarget destTarget,
+                                    TextureID destId,
+                                    GLint destLevel,
+                                    GLint xoffset,
+                                    GLint yoffset,
+                                    GLint x,
+                                    GLint y,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLboolean unpackFlipY,
+                                    GLboolean unpackPremultiplyAlpha,
+                                    GLboolean unpackUnmultiplyAlpha)
+{
+    if (!context->getExtensions().copyTextureCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const Texture *source = context->getTexture(sourceId);
+    if (source == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTexture);
+        return false;
+    }
+
+    if (!IsValidCopyTextureSourceTarget(context, source->getType()))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTextureType);
+        return false;
+    }
+
+    TextureType sourceType = source->getType();
+    ASSERT(sourceType != TextureType::CubeMap);
+    TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType);
+
+    if (!IsValidCopyTextureSourceLevel(context, sourceType, sourceLevel))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    if (source->getWidth(sourceTarget, sourceLevel) == 0 ||
+        source->getHeight(sourceTarget, sourceLevel) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTextureLevel);
+        return false;
+    }
+
+    if (x < 0 || y < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (width < 0 || height < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    if (static_cast<size_t>(x + width) > source->getWidth(sourceTarget, sourceLevel) ||
+        static_cast<size_t>(y + height) > source->getHeight(sourceTarget, sourceLevel))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSourceTextureTooSmall);
+        return false;
+    }
+
+    const Format &sourceFormat = source->getFormat(sourceTarget, sourceLevel);
+    if (!IsValidCopySubTextureSourceInternalFormat(sourceFormat.info->internalFormat))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                  sourceFormat.info->internalFormat);
+        return false;
+    }
+
+    if (!IsValidCopyTextureDestinationTargetEnum(context, destTarget))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    const Texture *dest = context->getTexture(destId);
+    if (dest == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTexture);
+        return false;
+    }
+
+    if (!IsValidCopyTextureDestinationTarget(context, dest->getType(), destTarget))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTextureType);
+        return false;
+    }
+
+    if (!IsValidCopyTextureDestinationLevel(context, entryPoint, dest->getType(), destLevel, width,
+                                            height, true))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    if (dest->getWidth(destTarget, destLevel) == 0 || dest->getHeight(destTarget, destLevel) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDestinationLevelNotDefined);
+        return false;
+    }
+
+    const InternalFormat &destFormat = *dest->getFormat(destTarget, destLevel).info;
+    if (!IsValidCopySubTextureDestionationInternalFormat(destFormat.internalFormat))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormatCombination);
+        return false;
+    }
+
+    if (sourceType == TextureType::External && destFormat.isInt() &&
+        !context->getExtensions().EGLImageExternalEssl3OES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kANGLECopyTextureMissingRequiredExtension);
+        return false;
+    }
+
+    if (xoffset < 0 || yoffset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (static_cast<size_t>(xoffset + width) > dest->getWidth(destTarget, destLevel) ||
+        static_cast<size_t>(yoffset + height) > dest->getHeight(destTarget, destLevel))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCompressedCopyTextureCHROMIUM(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureID sourceId,
+                                           TextureID destId)
+{
+    if (!context->getExtensions().copyCompressedTextureCHROMIUM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const Texture *source = context->getTexture(sourceId);
+    if (source == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTexture);
+        return false;
+    }
+
+    if (source->getType() != TextureType::_2D)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTextureType);
+        return false;
+    }
+
+    if (source->getWidth(TextureTarget::_2D, 0) == 0 ||
+        source->getHeight(TextureTarget::_2D, 0) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSourceTextureLevelZeroDefined);
+        return false;
+    }
+
+    const Format &sourceFormat = source->getFormat(TextureTarget::_2D, 0);
+    if (!sourceFormat.info->compressed)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kSourceTextureMustBeCompressed);
+        return false;
+    }
+
+    const Texture *dest = context->getTexture(destId);
+    if (dest == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTexture);
+        return false;
+    }
+
+    if (dest->getType() != TextureType::_2D)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTextureType);
+        return false;
+    }
+
+    if (dest->getImmutableFormat())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDestinationImmutable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateShader(const Context *context, angle::EntryPoint entryPoint, ShaderType type)
+{
+    switch (type)
+    {
+        case ShaderType::Vertex:
+        case ShaderType::Fragment:
+            break;
+
+        case ShaderType::Compute:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kES31Required);
+                return false;
+            }
+            break;
+
+        case ShaderType::Geometry:
+            if (!context->getExtensions().geometryShaderAny() &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+                return false;
+            }
+            break;
+
+        case ShaderType::TessControl:
+            if (!context->getExtensions().tessellationShaderEXT &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+                return false;
+            }
+            break;
+
+        case ShaderType::TessEvaluation:
+            if (!context->getExtensions().tessellationShaderEXT &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateBufferData(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        BufferBinding target,
+                        GLsizeiptr size,
+                        const void *data,
+                        BufferUsage usage)
+{
+    if (size < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    switch (usage)
+    {
+        case BufferUsage::StreamDraw:
+        case BufferUsage::StaticDraw:
+        case BufferUsage::DynamicDraw:
+            break;
+
+        case BufferUsage::StreamRead:
+        case BufferUsage::StaticRead:
+        case BufferUsage::DynamicRead:
+        case BufferUsage::StreamCopy:
+        case BufferUsage::StaticCopy:
+        case BufferUsage::DynamicCopy:
+            if (context->getClientMajorVersion() < 3)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferUsage);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferUsage);
+            return false;
+    }
+
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    Buffer *buffer = context->getState().getTargetBuffer(target);
+
+    if (!buffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound);
+        return false;
+    }
+
+    if (buffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kBufferBoundForTransformFeedback);
+        return false;
+    }
+
+    if (buffer->isImmutable())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferImmutable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBufferSubData(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           BufferBinding target,
+                           GLintptr offset,
+                           GLsizeiptr size,
+                           const void *data)
+{
+    if (size < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    if (offset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    Buffer *buffer = context->getState().getTargetBuffer(target);
+
+    if (!buffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound);
+        return false;
+    }
+
+    // EXT_buffer_storage allows persistently mapped buffers to be updated via glBufferSubData
+    bool isPersistent = (buffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) != 0;
+
+    // Verify that buffer is not currently mapped unless persistent
+    if (buffer->isMapped() && !isPersistent)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped);
+        return false;
+    }
+
+    if (buffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kBufferBoundForTransformFeedback);
+        return false;
+    }
+
+    if (buffer->isImmutable() &&
+        (buffer->getStorageExtUsageFlags() & GL_DYNAMIC_STORAGE_BIT_EXT) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotUpdatable);
+        return false;
+    }
+
+    // Check for possible overflow of size + offset
+    angle::CheckedNumeric<decltype(size + offset)> checkedSize(size);
+    checkedSize += offset;
+    if (!checkedSize.IsValid())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kParamOverflow);
+        return false;
+    }
+
+    if (size + offset > buffer->getSize())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInsufficientBufferSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateRequestExtensionANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   const GLchar *name)
+{
+    if (!context->getExtensions().requestExtensionANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!context->isExtensionRequestable(name))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotRequestable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDisableExtensionANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   const GLchar *name)
+{
+    if (!context->getExtensions().requestExtensionANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!context->isExtensionDisablable(name))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotDisablable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateActiveTexture(const Context *context, angle::EntryPoint entryPoint, GLenum texture)
+{
+    if (context->getClientMajorVersion() < 2)
+    {
+        return ValidateMultitextureUnit(context, entryPoint, texture);
+    }
+
+    if (texture < GL_TEXTURE0 ||
+        texture >
+            GL_TEXTURE0 + static_cast<GLuint>(context->getCaps().maxCombinedTextureImageUnits) - 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidCombinedImageUnit);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateAttachShader(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID program,
+                          ShaderProgramID shader)
+{
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    Shader *shaderObject = GetValidShader(context, entryPoint, shader);
+    if (!shaderObject)
+    {
+        return false;
+    }
+
+    if (programObject->getAttachedShader(shaderObject->getType()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kShaderAttachmentHasShader);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindAttribLocation(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID program,
+                                GLuint index,
+                                const GLchar *name)
+{
+    if (index >= static_cast<GLuint>(context->getCaps().maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    if (strncmp(name, "gl_", 3) == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNameBeginsWithGL);
+        return false;
+    }
+
+    if (context->isWebGL())
+    {
+        const size_t length = strlen(name);
+
+        if (!IsValidESSLString(name, length))
+        {
+            // The WebGL spec (section 6.20) disallows strings containing invalid ESSL characters
+            // for shader-related entry points
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidNameCharacters);
+            return false;
+        }
+
+        if (!ValidateWebGLNameLength(context, entryPoint, length) ||
+            !ValidateWebGLNamePrefix(context, entryPoint, name))
+        {
+            return false;
+        }
+    }
+
+    return GetValidProgram(context, entryPoint, program) != nullptr;
+}
+
+bool ValidateBindFramebuffer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             FramebufferID framebuffer)
+{
+    return ValidateBindFramebufferBase(context, entryPoint, target, framebuffer);
+}
+
+bool ValidateBindRenderbuffer(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              RenderbufferID renderbuffer)
+{
+    return ValidateBindRenderbufferBase(context, entryPoint, target, renderbuffer);
+}
+
+static bool ValidBlendEquationMode(const Context *context, GLenum mode)
+{
+    switch (mode)
+    {
+        case GL_FUNC_ADD:
+        case GL_FUNC_SUBTRACT:
+        case GL_FUNC_REVERSE_SUBTRACT:
+            return true;
+
+        case GL_MIN:
+        case GL_MAX:
+            return context->getClientVersion() >= ES_3_0 || context->getExtensions().blendMinmaxEXT;
+
+        default:
+            return false;
+    }
+}
+
+static bool ValidAdvancedBlendEquationMode(const Context *context, GLenum mode)
+{
+    switch (mode)
+    {
+        case GL_MULTIPLY_KHR:
+        case GL_SCREEN_KHR:
+        case GL_OVERLAY_KHR:
+        case GL_DARKEN_KHR:
+        case GL_LIGHTEN_KHR:
+        case GL_COLORDODGE_KHR:
+        case GL_COLORBURN_KHR:
+        case GL_HARDLIGHT_KHR:
+        case GL_SOFTLIGHT_KHR:
+        case GL_DIFFERENCE_KHR:
+        case GL_EXCLUSION_KHR:
+        case GL_HSL_HUE_KHR:
+        case GL_HSL_SATURATION_KHR:
+        case GL_HSL_COLOR_KHR:
+        case GL_HSL_LUMINOSITY_KHR:
+            return context->getClientVersion() >= ES_3_2 ||
+                   context->getExtensions().blendEquationAdvancedKHR;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidateBlendColor(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat red,
+                        GLfloat green,
+                        GLfloat blue,
+                        GLfloat alpha)
+{
+    return true;
+}
+
+bool ValidateBlendEquation(const Context *context, angle::EntryPoint entryPoint, GLenum mode)
+{
+    if (!ValidBlendEquationMode(context, mode) && !ValidAdvancedBlendEquationMode(context, mode))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBlendEquation);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBlendEquationSeparate(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum modeRGB,
+                                   GLenum modeAlpha)
+{
+    if (!ValidBlendEquationMode(context, modeRGB))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBlendEquation);
+        return false;
+    }
+
+    if (!ValidBlendEquationMode(context, modeAlpha))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBlendEquation);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBlendFunc(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum sfactor,
+                       GLenum dfactor)
+{
+    return ValidateBlendFuncSeparate(context, entryPoint, sfactor, dfactor, sfactor, dfactor);
+}
+
+bool ValidateBlendFuncSeparate(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum srcRGB,
+                               GLenum dstRGB,
+                               GLenum srcAlpha,
+                               GLenum dstAlpha)
+{
+    if (!ValidSrcBlendFunc(context, srcRGB))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBlendFunction);
+        return false;
+    }
+
+    if (!ValidDstBlendFunc(context, dstRGB))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBlendFunction);
+        return false;
+    }
+
+    if (!ValidSrcBlendFunc(context, srcAlpha))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBlendFunction);
+        return false;
+    }
+
+    if (!ValidDstBlendFunc(context, dstAlpha))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBlendFunction);
+        return false;
+    }
+
+    if (context->getLimitations().noSimultaneousConstantColorAndAlphaBlendFunc ||
+        context->isWebGL())
+    {
+        bool constantColorUsed =
+            (srcRGB == GL_CONSTANT_COLOR || srcRGB == GL_ONE_MINUS_CONSTANT_COLOR ||
+             dstRGB == GL_CONSTANT_COLOR || dstRGB == GL_ONE_MINUS_CONSTANT_COLOR);
+
+        bool constantAlphaUsed =
+            (srcRGB == GL_CONSTANT_ALPHA || srcRGB == GL_ONE_MINUS_CONSTANT_ALPHA ||
+             dstRGB == GL_CONSTANT_ALPHA || dstRGB == GL_ONE_MINUS_CONSTANT_ALPHA);
+
+        if (constantColorUsed && constantAlphaUsed)
+        {
+            if (context->isWebGL())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidConstantColor);
+                return false;
+            }
+
+            WARN() << kConstantColorAlphaLimitation;
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kConstantColorAlphaLimitation);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetString(const Context *context, angle::EntryPoint entryPoint, GLenum name)
+{
+    switch (name)
+    {
+        case GL_VENDOR:
+        case GL_RENDERER:
+        case GL_VERSION:
+        case GL_SHADING_LANGUAGE_VERSION:
+        case GL_EXTENSIONS:
+            break;
+
+        case GL_REQUESTABLE_EXTENSIONS_ANGLE:
+            if (!context->getExtensions().requestExtensionANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidName);
+                return false;
+            }
+            break;
+
+        case GL_SERIALIZED_CONTEXT_STRING_ANGLE:
+            if (!context->getExtensions().getSerializedContextStringANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidName);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidName);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateLineWidth(const Context *context, angle::EntryPoint entryPoint, GLfloat width)
+{
+    if (width <= 0.0f || isNaN(width))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidWidth);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDepthRangef(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat zNear,
+                         GLfloat zFar)
+{
+    if (context->isWebGL() && zNear > zFar)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidDepthRange);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateRenderbufferStorage(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 GLenum internalformat,
+                                 GLsizei width,
+                                 GLsizei height)
+{
+    return ValidateRenderbufferStorageParametersBase(context, entryPoint, target, 0, internalformat,
+                                                     width, height);
+}
+
+bool ValidateRenderbufferStorageMultisampleANGLE(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 GLenum target,
+                                                 GLsizei samples,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height)
+{
+    if (!context->getExtensions().framebufferMultisampleANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    // ANGLE_framebuffer_multisample states that the value of samples must be less than or equal
+    // to MAX_SAMPLES_ANGLE (Context::getCaps().maxSamples) otherwise GL_INVALID_VALUE is
+    // generated.
+    if (samples > context->getCaps().maxSamples)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSamplesOutOfRange);
+        return false;
+    }
+
+    // ANGLE_framebuffer_multisample states GL_OUT_OF_MEMORY is generated on a failure to create
+    // the specified storage. This is different than ES 3.0 in which a sample number higher
+    // than the maximum sample number supported by this format generates a GL_INVALID_VALUE.
+    // The TextureCaps::getMaxSamples method is only guarenteed to be valid when the context is ES3.
+    if (context->getClientMajorVersion() >= 3)
+    {
+        const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat);
+        if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples())
+        {
+            context->validationError(entryPoint, GL_OUT_OF_MEMORY, kSamplesOutOfRange);
+            return false;
+        }
+    }
+
+    return ValidateRenderbufferStorageParametersBase(context, entryPoint, target, samples,
+                                                     internalformat, width, height);
+}
+
+bool ValidateCheckFramebufferStatus(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target)
+{
+    if (!ValidFramebufferTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateClearColor(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat red,
+                        GLfloat green,
+                        GLfloat blue,
+                        GLfloat alpha)
+{
+    return true;
+}
+
+bool ValidateClearDepthf(const Context *context, angle::EntryPoint entryPoint, GLfloat depth)
+{
+    return true;
+}
+
+bool ValidateClearStencil(const Context *context, angle::EntryPoint entryPoint, GLint s)
+{
+    return true;
+}
+
+bool ValidateColorMask(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLboolean red,
+                       GLboolean green,
+                       GLboolean blue,
+                       GLboolean alpha)
+{
+    return true;
+}
+
+bool ValidateCompileShader(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID shader)
+{
+    return true;
+}
+
+bool ValidateCreateProgram(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateCullFace(const Context *context, angle::EntryPoint entryPoint, CullFaceMode mode)
+{
+    switch (mode)
+    {
+        case CullFaceMode::Front:
+        case CullFaceMode::Back:
+        case CullFaceMode::FrontAndBack:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidCullMode);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateDeleteProgram(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID program)
+{
+    if (program.value == 0)
+    {
+        return false;
+    }
+
+    if (!context->getProgramResolveLink(program))
+    {
+        if (context->getShader(program))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kExpectedProgramName);
+            return false;
+        }
+        else
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProgramName);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateDeleteShader(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID shader)
+{
+    if (shader.value == 0)
+    {
+        return false;
+    }
+
+    if (!context->getShader(shader))
+    {
+        if (context->getProgramResolveLink(shader))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidShaderName);
+            return false;
+        }
+        else
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kExpectedShaderName);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateDepthFunc(const Context *context, angle::EntryPoint entryPoint, GLenum func)
+{
+    switch (func)
+    {
+        case GL_NEVER:
+        case GL_ALWAYS:
+        case GL_LESS:
+        case GL_LEQUAL:
+        case GL_EQUAL:
+        case GL_GREATER:
+        case GL_GEQUAL:
+        case GL_NOTEQUAL:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, func);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateDepthMask(const Context *context, angle::EntryPoint entryPoint, GLboolean flag)
+{
+    return true;
+}
+
+bool ValidateDetachShader(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID program,
+                          ShaderProgramID shader)
+{
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    Shader *shaderObject = GetValidShader(context, entryPoint, shader);
+    if (!shaderObject)
+    {
+        return false;
+    }
+
+    const Shader *attachedShader = programObject->getAttachedShader(shaderObject->getType());
+    if (attachedShader != shaderObject)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kShaderToDetachMustBeAttached);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDisableVertexAttribArray(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLuint index)
+{
+    if (index >= static_cast<GLuint>(context->getCaps().maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateEnableVertexAttribArray(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint index)
+{
+    if (index >= static_cast<GLuint>(context->getCaps().maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFinish(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateFlush(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateFrontFace(const Context *context, angle::EntryPoint entryPoint, GLenum mode)
+{
+    switch (mode)
+    {
+        case GL_CW:
+        case GL_CCW:
+            break;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, mode);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetActiveAttrib(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID program,
+                             GLuint index,
+                             GLsizei bufsize,
+                             const GLsizei *length,
+                             const GLint *size,
+                             const GLenum *type,
+                             const GLchar *name)
+{
+    if (bufsize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (index >= static_cast<GLuint>(programObject->getActiveAttributeCount()))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetActiveUniform(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              GLuint index,
+                              GLsizei bufsize,
+                              const GLsizei *length,
+                              const GLint *size,
+                              const GLenum *type,
+                              const GLchar *name)
+{
+    if (bufsize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (index >= static_cast<GLuint>(programObject->getActiveUniformCount()))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetAttachedShaders(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID program,
+                                GLsizei maxcount,
+                                const GLsizei *count,
+                                const ShaderProgramID *shaders)
+{
+    if (maxcount < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeMaxCount);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+
+    if (!programObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetAttribLocation(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               const GLchar *name)
+{
+    if (strncmp(name, "gl_", 3) == 0)
+    {
+        return false;
+    }
+
+    if (context->isWebGL())
+    {
+        const size_t length = strlen(name);
+
+        if (!IsValidESSLString(name, length))
+        {
+            // The WebGL spec (section 6.20) disallows strings containing invalid ESSL characters
+            // for shader-related entry points
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidNameCharacters);
+            return false;
+        }
+
+        if (!ValidateWebGLNameLength(context, entryPoint, length) ||
+            strncmp(name, "webgl_", 6) == 0 || strncmp(name, "_webgl_", 7) == 0)
+        {
+            return false;
+        }
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+
+    if (!programObject)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotBound);
+        return false;
+    }
+
+    if (!programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetBooleanv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         const GLboolean *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+    return ValidateStateQuery(context, entryPoint, pname, &nativeType, &numParams);
+}
+
+bool ValidateGetError(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateGetFloatv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum pname,
+                       const GLfloat *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+    return ValidateStateQuery(context, entryPoint, pname, &nativeType, &numParams);
+}
+
+bool ValidateGetIntegerv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         const GLint *params)
+{
+    GLenum nativeType;
+    unsigned int numParams = 0;
+    return ValidateStateQuery(context, entryPoint, pname, &nativeType, &numParams);
+}
+
+bool ValidateGetProgramInfoLog(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               GLsizei bufsize,
+                               const GLsizei *length,
+                               const GLchar *infolog)
+{
+    if (bufsize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetShaderInfoLog(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID shader,
+                              GLsizei bufsize,
+                              const GLsizei *length,
+                              const GLchar *infolog)
+{
+    if (bufsize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    Shader *shaderObject = GetValidShader(context, entryPoint, shader);
+    if (!shaderObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetShaderPrecisionFormat(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum shadertype,
+                                      GLenum precisiontype,
+                                      const GLint *range,
+                                      const GLint *precision)
+{
+    switch (shadertype)
+    {
+        case GL_VERTEX_SHADER:
+        case GL_FRAGMENT_SHADER:
+            break;
+        case GL_COMPUTE_SHADER:
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kUnimplementedComputeShaderPrecision);
+            return false;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+            return false;
+    }
+
+    switch (precisiontype)
+    {
+        case GL_LOW_FLOAT:
+        case GL_MEDIUM_FLOAT:
+        case GL_HIGH_FLOAT:
+        case GL_LOW_INT:
+        case GL_MEDIUM_INT:
+        case GL_HIGH_INT:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPrecision);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetShaderSource(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID shader,
+                             GLsizei bufsize,
+                             const GLsizei *length,
+                             const GLchar *source)
+{
+    if (bufsize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    Shader *shaderObject = GetValidShader(context, entryPoint, shader);
+    if (!shaderObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetUniformLocation(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID program,
+                                const GLchar *name)
+{
+    if (strstr(name, "gl_") == name)
+    {
+        return false;
+    }
+
+    // The WebGL spec (section 6.20) disallows strings containing invalid ESSL characters for
+    // shader-related entry points
+    if (context->isWebGL() && !IsValidESSLString(name, strlen(name)))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidNameCharacters);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (!programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateHint(const Context *context, angle::EntryPoint entryPoint, GLenum target, GLenum mode)
+{
+    switch (mode)
+    {
+        case GL_FASTEST:
+        case GL_NICEST:
+        case GL_DONT_CARE:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, mode);
+            return false;
+    }
+
+    switch (target)
+    {
+        case GL_GENERATE_MIPMAP_HINT:
+            break;
+
+        case GL_TEXTURE_FILTERING_HINT_CHROMIUM:
+            if (!context->getExtensions().textureFilteringHintCHROMIUM)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+                return false;
+            }
+            break;
+
+        case GL_FRAGMENT_SHADER_DERIVATIVE_HINT:
+            if (context->getClientVersion() < ES_3_0 &&
+                !context->getExtensions().standardDerivativesOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+                return false;
+            }
+            break;
+
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+        case GL_POINT_SMOOTH_HINT:
+        case GL_LINE_SMOOTH_HINT:
+        case GL_FOG_HINT:
+            if (context->getClientMajorVersion() >= 2)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateIsBuffer(const Context *context, angle::EntryPoint entryPoint, BufferID buffer)
+{
+    return true;
+}
+
+bool ValidateIsFramebuffer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           FramebufferID framebuffer)
+{
+    return true;
+}
+
+bool ValidateIsProgram(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       ShaderProgramID program)
+{
+    return true;
+}
+
+bool ValidateIsRenderbuffer(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            RenderbufferID renderbuffer)
+{
+    return true;
+}
+
+bool ValidateIsShader(const Context *context, angle::EntryPoint entryPoint, ShaderProgramID shader)
+{
+    return true;
+}
+
+bool ValidateIsTexture(const Context *context, angle::EntryPoint entryPoint, TextureID texture)
+{
+    return true;
+}
+
+bool ValidatePixelStorei(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLint param)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        switch (pname)
+        {
+            case GL_UNPACK_IMAGE_HEIGHT:
+            case GL_UNPACK_SKIP_IMAGES:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+                return false;
+
+            case GL_UNPACK_ROW_LENGTH:
+            case GL_UNPACK_SKIP_ROWS:
+            case GL_UNPACK_SKIP_PIXELS:
+                if (!context->getExtensions().unpackSubimageEXT)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+                    return false;
+                }
+                break;
+
+            case GL_PACK_ROW_LENGTH:
+            case GL_PACK_SKIP_ROWS:
+            case GL_PACK_SKIP_PIXELS:
+                if (!context->getExtensions().packSubimageNV)
+                {
+                    context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+                    return false;
+                }
+                break;
+        }
+    }
+
+    if (param < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeParam);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_UNPACK_ALIGNMENT:
+            if (param != 1 && param != 2 && param != 4 && param != 8)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidUnpackAlignment);
+                return false;
+            }
+            break;
+
+        case GL_PACK_ALIGNMENT:
+            if (param != 1 && param != 2 && param != 4 && param != 8)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidUnpackAlignment);
+                return false;
+            }
+            break;
+
+        case GL_PACK_REVERSE_ROW_ORDER_ANGLE:
+            if (!context->getExtensions().packReverseRowOrderANGLE)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            }
+            break;
+
+        case GL_UNPACK_ROW_LENGTH:
+        case GL_UNPACK_IMAGE_HEIGHT:
+        case GL_UNPACK_SKIP_IMAGES:
+        case GL_UNPACK_SKIP_ROWS:
+        case GL_UNPACK_SKIP_PIXELS:
+        case GL_PACK_ROW_LENGTH:
+        case GL_PACK_SKIP_ROWS:
+        case GL_PACK_SKIP_PIXELS:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidatePolygonOffset(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLfloat factor,
+                           GLfloat units)
+{
+    return true;
+}
+
+bool ValidateReleaseShaderCompiler(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateSampleCoverage(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLfloat value,
+                            GLboolean invert)
+{
+    return true;
+}
+
+bool ValidateScissor(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLint x,
+                     GLint y,
+                     GLsizei width,
+                     GLsizei height)
+{
+    if (width < 0 || height < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateShaderBinary(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLsizei n,
+                          const ShaderProgramID *shaders,
+                          GLenum binaryformat,
+                          const void *binary,
+                          GLsizei length)
+{
+    const std::vector<GLenum> &shaderBinaryFormats = context->getCaps().shaderBinaryFormats;
+    if (std::find(shaderBinaryFormats.begin(), shaderBinaryFormats.end(), binaryformat) ==
+        shaderBinaryFormats.end())
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderBinaryFormat);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateShaderSource(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID shader,
+                          GLsizei count,
+                          const GLchar *const *string,
+                          const GLint *length)
+{
+    if (count < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    Shader *shaderObject = GetValidShader(context, entryPoint, shader);
+    if (!shaderObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStencilFunc(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum func,
+                         GLint ref,
+                         GLuint mask)
+{
+    if (!IsValidStencilFunc(func))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStencilFuncSeparate(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum face,
+                                 GLenum func,
+                                 GLint ref,
+                                 GLuint mask)
+{
+    if (!IsValidStencilFace(face))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    if (!IsValidStencilFunc(func))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStencilMask(const Context *context, angle::EntryPoint entryPoint, GLuint mask)
+{
+    return true;
+}
+
+bool ValidateStencilMaskSeparate(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum face,
+                                 GLuint mask)
+{
+    if (!IsValidStencilFace(face))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStencilOp(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum fail,
+                       GLenum zfail,
+                       GLenum zpass)
+{
+    if (!IsValidStencilOp(fail))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    if (!IsValidStencilOp(zfail))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    if (!IsValidStencilOp(zpass))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateStencilOpSeparate(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum face,
+                               GLenum fail,
+                               GLenum zfail,
+                               GLenum zpass)
+{
+    if (!IsValidStencilFace(face))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidStencil);
+        return false;
+    }
+
+    return ValidateStencilOp(context, entryPoint, fail, zfail, zpass);
+}
+
+bool ValidateUniform1f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLfloat x)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT, location, 1);
+}
+
+bool ValidateUniform1fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLfloat *v)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT, location, count);
+}
+
+bool ValidateUniform1i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLint x)
+{
+    return ValidateUniform1iv(context, entryPoint, location, 1, &x);
+}
+
+bool ValidateUniform2fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLfloat *v)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT_VEC2, location, count);
+}
+
+bool ValidateUniform2i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLint x,
+                       GLint y)
+{
+    return ValidateUniform(context, entryPoint, GL_INT_VEC2, location, 1);
+}
+
+bool ValidateUniform2iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLint *v)
+{
+    return ValidateUniform(context, entryPoint, GL_INT_VEC2, location, count);
+}
+
+bool ValidateUniform3f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLfloat x,
+                       GLfloat y,
+                       GLfloat z)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT_VEC3, location, 1);
+}
+
+bool ValidateUniform3fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLfloat *v)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT_VEC3, location, count);
+}
+
+bool ValidateUniform3i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLint x,
+                       GLint y,
+                       GLint z)
+{
+    return ValidateUniform(context, entryPoint, GL_INT_VEC3, location, 1);
+}
+
+bool ValidateUniform3iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLint *v)
+{
+    return ValidateUniform(context, entryPoint, GL_INT_VEC3, location, count);
+}
+
+bool ValidateUniform4f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLfloat x,
+                       GLfloat y,
+                       GLfloat z,
+                       GLfloat w)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT_VEC4, location, 1);
+}
+
+bool ValidateUniform4fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLfloat *v)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT_VEC4, location, count);
+}
+
+bool ValidateUniform4i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLint x,
+                       GLint y,
+                       GLint z,
+                       GLint w)
+{
+    return ValidateUniform(context, entryPoint, GL_INT_VEC4, location, 1);
+}
+
+bool ValidateUniform4iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLint *v)
+{
+    return ValidateUniform(context, entryPoint, GL_INT_VEC4, location, count);
+}
+
+bool ValidateUniformMatrix2fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation location,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLfloat *value)
+{
+    return ValidateUniformMatrix(context, entryPoint, GL_FLOAT_MAT2, location, count, transpose);
+}
+
+bool ValidateUniformMatrix3fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation location,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLfloat *value)
+{
+    return ValidateUniformMatrix(context, entryPoint, GL_FLOAT_MAT3, location, count, transpose);
+}
+
+bool ValidateUniformMatrix4fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation location,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLfloat *value)
+{
+    return ValidateUniformMatrix(context, entryPoint, GL_FLOAT_MAT4, location, count, transpose);
+}
+
+bool ValidateValidateProgram(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID program)
+{
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+
+    if (!programObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateVertexAttrib1f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttrib1fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *values)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttrib2f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x,
+                            GLfloat y)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttrib2fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *values)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttrib3f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x,
+                            GLfloat y,
+                            GLfloat z)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttrib3fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *values)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttrib4f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x,
+                            GLfloat y,
+                            GLfloat z,
+                            GLfloat w)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttrib4fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *values)
+{
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateViewport(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLint x,
+                      GLint y,
+                      GLsizei width,
+                      GLsizei height)
+{
+    if (width < 0 || height < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kViewportNegativeSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetFramebufferAttachmentParameteriv(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 GLenum target,
+                                                 GLenum attachment,
+                                                 GLenum pname,
+                                                 const GLint *params)
+{
+    return ValidateGetFramebufferAttachmentParameterivBase(context, entryPoint, target, attachment,
+                                                           pname, nullptr);
+}
+
+bool ValidateGetProgramiv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID program,
+                          GLenum pname,
+                          const GLint *params)
+{
+    return ValidateGetProgramivBase(context, entryPoint, program, pname, nullptr);
+}
+
+bool ValidateCopyTexImage2D(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureTarget target,
+                            GLint level,
+                            GLenum internalformat,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLsizei height,
+                            GLint border)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2CopyTexImageParameters(context, entryPoint, target, level, internalformat,
+                                                 false, 0, 0, x, y, width, height, border);
+    }
+
+    ASSERT(context->getClientMajorVersion() == 3);
+    return ValidateES3CopyTexImage2DParameters(context, entryPoint, target, level, internalformat,
+                                               false, 0, 0, 0, x, y, width, height, border);
+}
+
+bool ValidateCopyTexSubImage2D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureTarget target,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint x,
+                               GLint y,
+                               GLsizei width,
+                               GLsizei height)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2CopyTexImageParameters(context, entryPoint, target, level, GL_NONE, true,
+                                                 xoffset, yoffset, x, y, width, height, 0);
+    }
+
+    return ValidateES3CopyTexImage2DParameters(context, entryPoint, target, level, GL_NONE, true,
+                                               xoffset, yoffset, 0, x, y, width, height, 0);
+}
+
+bool ValidateCopyTexSubImage3DOES(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureTarget target,
+                                  GLint level,
+                                  GLint xoffset,
+                                  GLint yoffset,
+                                  GLint zoffset,
+                                  GLint x,
+                                  GLint y,
+                                  GLsizei width,
+                                  GLsizei height)
+{
+    return ValidateCopyTexSubImage3D(context, entryPoint, target, level, xoffset, yoffset, zoffset,
+                                     x, y, width, height);
+}
+
+bool ValidateDeleteBuffers(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLint n,
+                           const BufferID *buffers)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteFramebuffers(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLint n,
+                                const FramebufferID *framebuffers)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteRenderbuffers(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLint n,
+                                 const RenderbufferID *renderbuffers)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteTextures(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLint n,
+                            const TextureID *textures)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDisable(const Context *context, angle::EntryPoint entryPoint, GLenum cap)
+{
+    if (!ValidCap(context, cap, false))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, cap);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateEnable(const Context *context, angle::EntryPoint entryPoint, GLenum cap)
+{
+    if (!ValidCap(context, cap, false))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, cap);
+        return false;
+    }
+
+    if (context->getLimitations().noSampleAlphaToCoverageSupport &&
+        cap == GL_SAMPLE_ALPHA_TO_COVERAGE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kNoSampleAlphaToCoveragesLimitation);
+
+        // We also output an error message to the debugger window if tracing is active, so that
+        // developers can see the error message.
+        ERR() << kNoSampleAlphaToCoveragesLimitation;
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferRenderbuffer(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     GLenum renderbuffertarget,
+                                     RenderbufferID renderbuffer)
+{
+    return ValidateFramebufferRenderbufferBase(context, entryPoint, target, attachment,
+                                               renderbuffertarget, renderbuffer);
+}
+
+bool ValidateFramebufferTexture2D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLenum attachment,
+                                  TextureTarget textarget,
+                                  TextureID texture,
+                                  GLint level)
+{
+    // Attachments are required to be bound to level 0 without ES3 or the GL_OES_fbo_render_mipmap
+    // extension
+    if (context->getClientMajorVersion() < 3 && !context->getExtensions().fboRenderMipmapOES &&
+        level != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFramebufferTextureLevel);
+        return false;
+    }
+
+    if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level))
+    {
+        return false;
+    }
+
+    if (texture.value != 0)
+    {
+        Texture *tex = context->getTexture(texture);
+        ASSERT(tex);
+
+        const Caps &caps = context->getCaps();
+
+        switch (textarget)
+        {
+            case TextureTarget::_2D:
+            {
+                if (level > log2(caps.max2DTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                    return false;
+                }
+                if (tex->getType() != TextureType::_2D)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kInvalidTextureTarget);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureTarget::Rectangle:
+            {
+                if (level != 0)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                    return false;
+                }
+                if (tex->getType() != TextureType::Rectangle)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kTextureTargetMismatch);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureTarget::CubeMapNegativeX:
+            case TextureTarget::CubeMapNegativeY:
+            case TextureTarget::CubeMapNegativeZ:
+            case TextureTarget::CubeMapPositiveX:
+            case TextureTarget::CubeMapPositiveY:
+            case TextureTarget::CubeMapPositiveZ:
+            {
+                if (level > log2(caps.maxCubeMapTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                    return false;
+                }
+                if (tex->getType() != TextureType::CubeMap)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kTextureTargetMismatch);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureTarget::_2DMultisample:
+            {
+                if (context->getClientVersion() < ES_3_1 &&
+                    !context->getExtensions().textureMultisampleANGLE)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kMultisampleTextureExtensionOrES31Required);
+                    return false;
+                }
+
+                if (level != 0)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kLevelNotZero);
+                    return false;
+                }
+                if (tex->getType() != TextureType::_2DMultisample)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kTextureTargetMismatch);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureTarget::External:
+            {
+                if (!context->getExtensions().YUVTargetEXT)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kYUVTargetExtensionRequired);
+                    return false;
+                }
+
+                if (attachment != GL_COLOR_ATTACHMENT0)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidAttachment);
+                    return false;
+                }
+
+                if (tex->getType() != TextureType::External)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kTextureTargetMismatch);
+                    return false;
+                }
+            }
+            break;
+
+            default:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+                return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferTexture3DOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     TextureTarget textargetPacked,
+                                     TextureID texture,
+                                     GLint level,
+                                     GLint zoffset)
+{
+    // We don't call into a base ValidateFramebufferTexture3D here because
+    // it doesn't exist for OpenGL ES. This function is replaced by
+    // FramebufferTextureLayer in ES 3.x, which has broader support.
+    if (!context->getExtensions().texture3DOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    // Attachments are required to be bound to level 0 without ES3 or the
+    // GL_OES_fbo_render_mipmap extension
+    if (context->getClientMajorVersion() < 3 && !context->getExtensions().fboRenderMipmapOES &&
+        level != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFramebufferTextureLevel);
+        return false;
+    }
+
+    if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level))
+    {
+        return false;
+    }
+
+    if (texture.value != 0)
+    {
+        Texture *tex = context->getTexture(texture);
+        ASSERT(tex);
+
+        const Caps &caps = context->getCaps();
+
+        switch (textargetPacked)
+        {
+            case TextureTarget::_3D:
+            {
+                if (level > log2(caps.max3DTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+                    return false;
+                }
+                if (zoffset >= caps.max3DTextureSize)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidZOffset);
+                    return false;
+                }
+                if (tex->getType() != TextureType::_3D)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureType);
+                    return false;
+                }
+            }
+            break;
+
+            default:
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureTarget);
+                return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGenBuffers(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLint n,
+                        const BufferID *buffers)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenFramebuffers(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLint n,
+                             const FramebufferID *framebuffers)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenRenderbuffers(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLint n,
+                              const RenderbufferID *renderbuffers)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenTextures(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint n,
+                         const TextureID *textures)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenerateMipmap(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType target)
+{
+    return ValidateGenerateMipmapBase(context, entryPoint, target);
+}
+
+bool ValidateGetBufferParameteriv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferBinding target,
+                                  GLenum pname,
+                                  const GLint *params)
+{
+    return ValidateGetBufferParameterBase(context, entryPoint, target, pname, false, nullptr);
+}
+
+bool ValidateGetRenderbufferParameteriv(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum target,
+                                        GLenum pname,
+                                        const GLint *params)
+{
+    return ValidateGetRenderbufferParameterivBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateGetShaderiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         ShaderProgramID shader,
+                         GLenum pname,
+                         const GLint *params)
+{
+    return ValidateGetShaderivBase(context, entryPoint, shader, pname, nullptr);
+}
+
+bool ValidateGetTexParameterfv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType target,
+                               GLenum pname,
+                               const GLfloat *params)
+{
+    return ValidateGetTexParameterBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateGetTexParameteriv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType target,
+                               GLenum pname,
+                               const GLint *params)
+{
+    return ValidateGetTexParameterBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateGetTexParameterIivOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureType target,
+                                   GLenum pname,
+                                   const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetTexParameterBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateGetTexParameterIuivOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureType target,
+                                    GLenum pname,
+                                    const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetTexParameterBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateGetUniformfv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID program,
+                          UniformLocation location,
+                          const GLfloat *params)
+{
+    return ValidateGetUniformBase(context, entryPoint, program, location);
+}
+
+bool ValidateGetUniformiv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID program,
+                          UniformLocation location,
+                          const GLint *params)
+{
+    return ValidateGetUniformBase(context, entryPoint, program, location);
+}
+
+bool ValidateGetVertexAttribfv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum pname,
+                               const GLfloat *params)
+{
+    return ValidateGetVertexAttribBase(context, entryPoint, index, pname, nullptr, false, false);
+}
+
+bool ValidateGetVertexAttribiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum pname,
+                               const GLint *params)
+{
+    return ValidateGetVertexAttribBase(context, entryPoint, index, pname, nullptr, false, false);
+}
+
+bool ValidateGetVertexAttribPointerv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint index,
+                                     GLenum pname,
+                                     void *const *pointer)
+{
+    return ValidateGetVertexAttribBase(context, entryPoint, index, pname, nullptr, true, false);
+}
+
+bool ValidateIsEnabled(const Context *context, angle::EntryPoint entryPoint, GLenum cap)
+{
+    if (!ValidCap(context, cap, true))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, cap);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLinkProgram(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         ShaderProgramID program)
+{
+    if (context->hasActiveTransformFeedback(program))
+    {
+        // ES 3.0.4 section 2.15 page 91
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kTransformFeedbackActiveDuringLink);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateReadPixels(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLint x,
+                        GLint y,
+                        GLsizei width,
+                        GLsizei height,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels)
+{
+    return ValidateReadPixelsBase(context, entryPoint, x, y, width, height, format, type, -1,
+                                  nullptr, nullptr, nullptr, pixels);
+}
+
+bool ValidateTexParameterf(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType target,
+                           GLenum pname,
+                           GLfloat param)
+{
+    return ValidateTexParameterBase(context, entryPoint, target, pname, -1, false, &param);
+}
+
+bool ValidateTexParameterfv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType target,
+                            GLenum pname,
+                            const GLfloat *params)
+{
+    return ValidateTexParameterBase(context, entryPoint, target, pname, -1, true, params);
+}
+
+bool ValidateTexParameteri(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType target,
+                           GLenum pname,
+                           GLint param)
+{
+    return ValidateTexParameterBase(context, entryPoint, target, pname, -1, false, &param);
+}
+
+bool ValidateTexParameteriv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType target,
+                            GLenum pname,
+                            const GLint *params)
+{
+    return ValidateTexParameterBase(context, entryPoint, target, pname, -1, true, params);
+}
+
+bool ValidateTexParameterIivOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target,
+                                GLenum pname,
+                                const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateTexParameterBase(context, entryPoint, target, pname, -1, true, params);
+}
+
+bool ValidateTexParameterIuivOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType target,
+                                 GLenum pname,
+                                 const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateTexParameterBase(context, entryPoint, target, pname, -1, true, params);
+}
+
+bool ValidateUseProgram(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        ShaderProgramID program)
+{
+    if (program.value != 0)
+    {
+        Program *programObject = context->getProgramResolveLink(program);
+        if (!programObject)
+        {
+            // ES 3.1.0 section 7.3 page 72
+            if (context->getShader(program))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kExpectedProgramName);
+                return false;
+            }
+            else
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProgramName);
+                return false;
+            }
+        }
+        if (!programObject->isLinked())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+            return false;
+        }
+    }
+    if (context->getState().isTransformFeedbackActiveUnpaused())
+    {
+        // ES 3.0.4 section 2.15 page 91
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackUseProgram);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDeleteFencesNV(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei n,
+                            const FenceNVID *fences)
+{
+    if (!context->getExtensions().fenceNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNVFenceNotSupported);
+        return false;
+    }
+
+    if (n < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFinishFenceNV(const Context *context, angle::EntryPoint entryPoint, FenceNVID fence)
+{
+    if (!context->getExtensions().fenceNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNVFenceNotSupported);
+        return false;
+    }
+
+    FenceNV *fenceObject = context->getFenceNV(fence);
+
+    if (fenceObject == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFence);
+        return false;
+    }
+
+    if (!fenceObject->isSet())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFenceState);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGenFencesNV(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLsizei n,
+                         const FenceNVID *fences)
+{
+    if (!context->getExtensions().fenceNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNVFenceNotSupported);
+        return false;
+    }
+
+    if (n < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetFenceivNV(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          FenceNVID fence,
+                          GLenum pname,
+                          const GLint *params)
+{
+    if (!context->getExtensions().fenceNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNVFenceNotSupported);
+        return false;
+    }
+
+    FenceNV *fenceObject = context->getFenceNV(fence);
+
+    if (fenceObject == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFence);
+        return false;
+    }
+
+    if (!fenceObject->isSet())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFenceState);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_FENCE_STATUS_NV:
+        case GL_FENCE_CONDITION_NV:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetGraphicsResetStatusEXT(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (!context->getExtensions().robustnessEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetTranslatedShaderSourceANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID shader,
+                                            GLsizei bufsize,
+                                            const GLsizei *length,
+                                            const GLchar *source)
+{
+    if (!context->getExtensions().translatedShaderSourceANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (bufsize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    Shader *shaderObject = context->getShader(shader);
+
+    if (!shaderObject)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidShaderName);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateIsFenceNV(const Context *context, angle::EntryPoint entryPoint, FenceNVID fence)
+{
+    if (!context->getExtensions().fenceNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNVFenceNotSupported);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSetFenceNV(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        FenceNVID fence,
+                        GLenum condition)
+{
+    if (!context->getExtensions().fenceNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNVFenceNotSupported);
+        return false;
+    }
+
+    if (condition != GL_ALL_COMPLETED_NV)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFenceCondition);
+        return false;
+    }
+
+    FenceNV *fenceObject = context->getFenceNV(fence);
+
+    if (fenceObject == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFence);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTestFenceNV(const Context *context, angle::EntryPoint entryPoint, FenceNVID fence)
+{
+    if (!context->getExtensions().fenceNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNVFenceNotSupported);
+        return false;
+    }
+
+    FenceNV *fenceObject = context->getFenceNV(fence);
+
+    if (fenceObject == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFence);
+        return false;
+    }
+
+    if (fenceObject->isSet() != GL_TRUE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFenceState);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexStorage2DEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureType type,
+                             GLsizei levels,
+                             GLenum internalformat,
+                             GLsizei width,
+                             GLsizei height)
+{
+    if (!context->getExtensions().textureStorageEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2TexStorageParametersBase(context, entryPoint, type, levels,
+                                                   internalformat, width, height);
+    }
+
+    ASSERT(context->getClientMajorVersion() >= 3);
+    return ValidateES3TexStorage2DParameters(context, entryPoint, type, levels, internalformat,
+                                             width, height, 1);
+}
+
+bool ValidateVertexAttribDivisorANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLuint index,
+                                      GLuint divisor)
+{
+    if (!context->getExtensions().instancedArraysANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (index >= static_cast<GLuint>(context->getCaps().maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    if (context->getLimitations().attributeZeroRequiresZeroDivisorInEXT)
+    {
+        if (index == 0 && divisor != 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kAttributeZeroRequiresDivisorLimitation);
+
+            // We also output an error message to the debugger window if tracing is active, so
+            // that developers can see the error message.
+            ERR() << kAttributeZeroRequiresDivisorLimitation;
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateVertexAttribDivisorEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint index,
+                                    GLuint divisor)
+{
+    if (!context->getExtensions().instancedArraysEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (index >= static_cast<GLuint>(context->getCaps().maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexImage3DOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureTarget target,
+                           GLint level,
+                           GLenum internalformat,
+                           GLsizei width,
+                           GLsizei height,
+                           GLsizei depth,
+                           GLint border,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels)
+{
+    return ValidateTexImage3D(context, entryPoint, target, level, internalformat, width, height,
+                              depth, border, format, type, pixels);
+}
+
+bool ValidatePopGroupMarkerEXT(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (!context->getExtensions().debugMarkerEXT)
+    {
+        // The debug marker calls should not set error state
+        // However, it seems reasonable to set an error state if the extension is not enabled
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexStorage1DEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLsizei levels,
+                             GLenum internalformat,
+                             GLsizei width)
+{
+    UNIMPLEMENTED();
+    context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+    return false;
+}
+
+bool ValidateTexStorage3DEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureType target,
+                             GLsizei levels,
+                             GLenum internalformat,
+                             GLsizei width,
+                             GLsizei height,
+                             GLsizei depth)
+{
+    if (!context->getExtensions().textureStorageEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateES3TexStorage3DParameters(context, entryPoint, target, levels, internalformat,
+                                             width, height, depth);
+}
+
+bool ValidateMaxShaderCompilerThreadsKHR(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLuint count)
+{
+    if (!context->getExtensions().parallelShaderCompileKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateMultiDrawArraysANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  PrimitiveMode mode,
+                                  const GLint *firsts,
+                                  const GLsizei *counts,
+                                  GLsizei drawcount)
+{
+    if (!context->getExtensions().multiDrawANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)
+    {
+        if (!ValidateDrawArrays(context, entryPoint, mode, firsts[drawID], counts[drawID]))
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateMultiDrawElementsANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode mode,
+                                    const GLsizei *counts,
+                                    DrawElementsType type,
+                                    const GLvoid *const *indices,
+                                    GLsizei drawcount)
+{
+    if (!context->getExtensions().multiDrawANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)
+    {
+        if (!ValidateDrawElements(context, entryPoint, mode, counts[drawID], type, indices[drawID]))
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateProvokingVertexANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProvokingVertexConvention modePacked)
+{
+    if (!context->getExtensions().provokingVertexANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (modePacked)
+    {
+        case ProvokingVertexConvention::FirstVertexConvention:
+        case ProvokingVertexConvention::LastVertexConvention:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProvokingVertex);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferTexture2DMultisampleEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                GLenum target,
+                                                GLenum attachment,
+                                                TextureTarget textarget,
+                                                TextureID texture,
+                                                GLint level,
+                                                GLsizei samples)
+{
+    if (!context->getExtensions().multisampledRenderToTextureEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (samples < 0)
+    {
+        return false;
+    }
+
+    // EXT_multisampled_render_to_texture states that the value of samples
+    // must be less than or equal to MAX_SAMPLES_EXT (Context::getCaps().maxSamples)
+    // otherwise GL_INVALID_VALUE is generated.
+    if (samples > context->getCaps().maxSamples)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSamplesOutOfRange);
+        return false;
+    }
+
+    if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level))
+    {
+        return false;
+    }
+
+    // EXT_multisampled_render_to_texture returns INVALID_OPERATION when a sample number higher than
+    // the maximum sample number supported by this format is passed.
+    // The TextureCaps::getMaxSamples method is only guarenteed to be valid when the context is ES3.
+    if (texture.value != 0 && context->getClientMajorVersion() >= 3)
+    {
+        Texture *tex                  = context->getTexture(texture);
+        GLenum sizedInternalFormat    = tex->getFormat(textarget, level).info->sizedInternalFormat;
+        const TextureCaps &formatCaps = context->getTextureCaps().get(sizedInternalFormat);
+        if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kSamplesOutOfRange);
+            return false;
+        }
+    }
+
+    // Unless EXT_multisampled_render_to_texture2 is enabled, only color attachment 0 can be used.
+    if (!context->getExtensions().multisampledRenderToTexture2EXT &&
+        attachment != GL_COLOR_ATTACHMENT0)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidAttachment);
+        return false;
+    }
+
+    if (!ValidTexture2DDestinationTarget(context, textarget))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateRenderbufferStorageMultisampleEXT(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               GLenum target,
+                                               GLsizei samples,
+                                               GLenum internalformat,
+                                               GLsizei width,
+                                               GLsizei height)
+{
+    if (!context->getExtensions().multisampledRenderToTextureEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (!ValidateRenderbufferStorageParametersBase(context, entryPoint, target, samples,
+                                                   internalformat, width, height))
+    {
+        return false;
+    }
+
+    // EXT_multisampled_render_to_texture states that the value of samples
+    // must be less than or equal to MAX_SAMPLES_EXT (Context::getCaps().maxSamples)
+    // otherwise GL_INVALID_VALUE is generated.
+    if (samples > context->getCaps().maxSamples)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSamplesOutOfRange);
+        return false;
+    }
+
+    // EXT_multisampled_render_to_texture returns GL_OUT_OF_MEMORY on failure to create
+    // the specified storage. This is different than ES 3.0 in which a sample number higher
+    // than the maximum sample number supported by this format generates a GL_INVALID_VALUE.
+    // The TextureCaps::getMaxSamples method is only guarenteed to be valid when the context is ES3.
+    if (context->getClientMajorVersion() >= 3)
+    {
+        const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat);
+        if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples())
+        {
+            context->validationError(entryPoint, GL_OUT_OF_MEMORY, kSamplesOutOfRange);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+void RecordBindTextureTypeError(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target)
+{
+    ASSERT(!context->getStateCache().isValidBindTextureType(target));
+
+    switch (target)
+    {
+        case TextureType::Rectangle:
+            ASSERT(!context->getExtensions().textureRectangleANGLE);
+            context->validationError(entryPoint, GL_INVALID_ENUM, kTextureRectangleNotSupported);
+            break;
+
+        case TextureType::_3D:
+        case TextureType::_2DArray:
+            ASSERT(context->getClientMajorVersion() < 3);
+            context->validationError(entryPoint, GL_INVALID_ENUM, kES3Required);
+            break;
+
+        case TextureType::_2DMultisample:
+            ASSERT(context->getClientVersion() < Version(3, 1) &&
+                   !context->getExtensions().textureMultisampleANGLE);
+            context->validationError(entryPoint, GL_INVALID_ENUM,
+                                     kMultisampleTextureExtensionOrES31Required);
+            break;
+
+        case TextureType::_2DMultisampleArray:
+            ASSERT(!context->getExtensions().textureStorageMultisample2dArrayOES);
+            context->validationError(entryPoint, GL_INVALID_ENUM,
+                                     kMultisampleArrayExtensionRequired);
+            break;
+
+        case TextureType::External:
+            ASSERT(!context->getExtensions().EGLImageExternalOES &&
+                   !context->getExtensions().EGLStreamConsumerExternalNV);
+            context->validationError(entryPoint, GL_INVALID_ENUM, kExternalTextureNotSupported);
+            break;
+
+        case TextureType::VideoImage:
+            ASSERT(!context->getExtensions().videoTextureWEBGL);
+            context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+            break;
+
+        case TextureType::Buffer:
+            ASSERT(!context->getExtensions().textureBufferOES &&
+                   !context->getExtensions().textureBufferEXT);
+            context->validationError(entryPoint, GL_INVALID_ENUM, kExtensionNotEnabled);
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+    }
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationES2.h b/gfx/angle/checkout/src/libANGLE/validationES2.h
new file mode 100644
index 0000000000..399779aa7c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES2.h
@@ -0,0 +1,207 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES2.h:
+//  Inlined validation functions for OpenGL ES 2.0 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES2_H_
+#define LIBANGLE_VALIDATION_ES2_H_
+
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/validationES.h"
+#include "libANGLE/validationES2_autogen.h"
+
+namespace gl
+{
+ANGLE_INLINE bool ValidateDrawArrays(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     PrimitiveMode mode,
+                                     GLint first,
+                                     GLsizei count)
+{
+    return ValidateDrawArraysCommon(context, entryPoint, mode, first, count, 1);
+}
+
+ANGLE_INLINE bool ValidateUniform2f(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    UniformLocation location,
+                                    GLfloat x,
+                                    GLfloat y)
+{
+    return ValidateUniform(context, entryPoint, GL_FLOAT_VEC2, location, 1);
+}
+
+ANGLE_INLINE bool ValidateBindBuffer(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     BufferBinding target,
+                                     BufferID buffer)
+{
+    if (!context->isValidBufferBinding(target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, err::kInvalidBufferTypes);
+        return false;
+    }
+
+    if (!context->getState().isBindGeneratesResourceEnabled() &&
+        !context->isBufferGenerated(buffer))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, err::kObjectNotGenerated);
+        return false;
+    }
+
+    return true;
+}
+
+ANGLE_INLINE bool ValidateDrawElements(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode mode,
+                                       GLsizei count,
+                                       DrawElementsType type,
+                                       const void *indices)
+{
+    return ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 1);
+}
+
+ANGLE_INLINE bool ValidateVertexAttribPointer(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              GLuint index,
+                                              GLint size,
+                                              VertexAttribType type,
+                                              GLboolean normalized,
+                                              GLsizei stride,
+                                              const void *ptr)
+{
+    if (!ValidateFloatVertexFormat(context, entryPoint, index, size, type))
+    {
+        return false;
+    }
+
+    if (stride < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, err::kNegativeStride);
+        return false;
+    }
+
+    if (context->getClientVersion() >= ES_3_1)
+    {
+        const Caps &caps = context->getCaps();
+        if (stride > caps.maxVertexAttribStride)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                     err::kExceedsMaxVertexAttribStride);
+            return false;
+        }
+
+        if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                     err::kExceedsMaxVertexAttribBindings);
+            return false;
+        }
+    }
+
+    // [OpenGL ES 3.0.2] Section 2.8 page 24:
+    // An INVALID_OPERATION error is generated when a non-zero vertex array object
+    // is bound, zero is bound to the ARRAY_BUFFER buffer object binding point,
+    // and the pointer argument is not NULL.
+    bool nullBufferAllowed = context->getState().areClientArraysEnabled() &&
+                             context->getState().getVertexArray()->id().value == 0;
+    if (!nullBufferAllowed && context->getState().getTargetBuffer(BufferBinding::Array) == 0 &&
+        ptr != nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, err::kClientDataInVertexArray);
+        return false;
+    }
+
+    if (context->isWebGL())
+    {
+        // WebGL 1.0 [Section 6.14] Fixed point support
+        // The WebGL API does not support the GL_FIXED data type.
+        if (type == VertexAttribType::Fixed)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, err::kFixedNotInWebGL);
+            return false;
+        }
+
+        if (!ValidateWebGLVertexAttribPointer(context, entryPoint, type, normalized, stride, ptr,
+                                              false))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+void RecordBindTextureTypeError(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target);
+
+ANGLE_INLINE bool ValidateBindTexture(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      TextureType target,
+                                      TextureID texture)
+{
+    if (!context->getStateCache().isValidBindTextureType(target))
+    {
+        RecordBindTextureTypeError(context, entryPoint, target);
+        return false;
+    }
+
+    if (texture.value == 0)
+    {
+        return true;
+    }
+
+    Texture *textureObject = context->getTexture(texture);
+    if (textureObject && textureObject->getType() != target)
+    {
+        context->validationErrorF(
+            entryPoint, GL_INVALID_OPERATION, err::kTextureTargetMismatchWithLabel,
+            static_cast<uint8_t>(target), static_cast<uint8_t>(textureObject->getType()),
+            textureObject->getLabel().c_str());
+        return false;
+    }
+
+    if (!context->getState().isBindGeneratesResourceEnabled() &&
+        !context->isTextureGenerated(texture))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, err::kObjectNotGenerated);
+        return false;
+    }
+
+    return true;
+}
+
+// Validation of all Tex[Sub]Image2D parameters except TextureTarget.
+bool ValidateES2TexImageParametersBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureTarget target,
+                                       GLint level,
+                                       GLenum internalformat,
+                                       bool isCompressed,
+                                       bool isSubImage,
+                                       GLint xoffset,
+                                       GLint yoffset,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLint border,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei imageSize,
+                                       const void *pixels);
+
+// Validation of TexStorage*2DEXT
+bool ValidateES2TexStorageParametersBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType target,
+                                         GLsizei levels,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height);
+
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES2_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES2_autogen.h b/gfx/angle/checkout/src/libANGLE/validationES2_autogen.h
new file mode 100644
index 0000000000..335139fe70
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES2_autogen.h
@@ -0,0 +1,666 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES2_autogen.h:
+//   Validation functions for the OpenGL ES 2.0 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES2_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_ES2_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+bool ValidateActiveTexture(const Context *context, angle::EntryPoint entryPoint, GLenum texture);
+bool ValidateAttachShader(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID programPacked,
+                          ShaderProgramID shaderPacked);
+bool ValidateBindAttribLocation(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                GLuint index,
+                                const GLchar *name);
+bool ValidateBindBuffer(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        BufferBinding targetPacked,
+                        BufferID bufferPacked);
+bool ValidateBindFramebuffer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             FramebufferID framebufferPacked);
+bool ValidateBindRenderbuffer(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              RenderbufferID renderbufferPacked);
+bool ValidateBindTexture(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureType targetPacked,
+                         TextureID texturePacked);
+bool ValidateBlendColor(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat red,
+                        GLfloat green,
+                        GLfloat blue,
+                        GLfloat alpha);
+bool ValidateBlendEquation(const Context *context, angle::EntryPoint entryPoint, GLenum mode);
+bool ValidateBlendEquationSeparate(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum modeRGB,
+                                   GLenum modeAlpha);
+bool ValidateBlendFunc(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum sfactor,
+                       GLenum dfactor);
+bool ValidateBlendFuncSeparate(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum sfactorRGB,
+                               GLenum dfactorRGB,
+                               GLenum sfactorAlpha,
+                               GLenum dfactorAlpha);
+bool ValidateBufferData(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        BufferBinding targetPacked,
+                        GLsizeiptr size,
+                        const void *data,
+                        BufferUsage usagePacked);
+bool ValidateBufferSubData(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           BufferBinding targetPacked,
+                           GLintptr offset,
+                           GLsizeiptr size,
+                           const void *data);
+bool ValidateCheckFramebufferStatus(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target);
+bool ValidateClear(const Context *context, angle::EntryPoint entryPoint, GLbitfield mask);
+bool ValidateClearColor(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat red,
+                        GLfloat green,
+                        GLfloat blue,
+                        GLfloat alpha);
+bool ValidateClearDepthf(const Context *context, angle::EntryPoint entryPoint, GLfloat d);
+bool ValidateClearStencil(const Context *context, angle::EntryPoint entryPoint, GLint s);
+bool ValidateColorMask(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLboolean red,
+                       GLboolean green,
+                       GLboolean blue,
+                       GLboolean alpha);
+bool ValidateCompileShader(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID shaderPacked);
+bool ValidateCompressedTexImage2D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureTarget targetPacked,
+                                  GLint level,
+                                  GLenum internalformat,
+                                  GLsizei width,
+                                  GLsizei height,
+                                  GLint border,
+                                  GLsizei imageSize,
+                                  const void *data);
+bool ValidateCompressedTexSubImage2D(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget targetPacked,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLenum format,
+                                     GLsizei imageSize,
+                                     const void *data);
+bool ValidateCopyTexImage2D(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureTarget targetPacked,
+                            GLint level,
+                            GLenum internalformat,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLsizei height,
+                            GLint border);
+bool ValidateCopyTexSubImage2D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureTarget targetPacked,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint x,
+                               GLint y,
+                               GLsizei width,
+                               GLsizei height);
+bool ValidateCreateProgram(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateCreateShader(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderType typePacked);
+bool ValidateCullFace(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      CullFaceMode modePacked);
+bool ValidateDeleteBuffers(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const BufferID *buffersPacked);
+bool ValidateDeleteFramebuffers(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const FramebufferID *framebuffersPacked);
+bool ValidateDeleteProgram(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID programPacked);
+bool ValidateDeleteRenderbuffers(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const RenderbufferID *renderbuffersPacked);
+bool ValidateDeleteShader(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID shaderPacked);
+bool ValidateDeleteTextures(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei n,
+                            const TextureID *texturesPacked);
+bool ValidateDepthFunc(const Context *context, angle::EntryPoint entryPoint, GLenum func);
+bool ValidateDepthMask(const Context *context, angle::EntryPoint entryPoint, GLboolean flag);
+bool ValidateDepthRangef(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat n,
+                         GLfloat f);
+bool ValidateDetachShader(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID programPacked,
+                          ShaderProgramID shaderPacked);
+bool ValidateDisable(const Context *context, angle::EntryPoint entryPoint, GLenum cap);
+bool ValidateDisableVertexAttribArray(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLuint index);
+bool ValidateDrawArrays(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        PrimitiveMode modePacked,
+                        GLint first,
+                        GLsizei count);
+bool ValidateDrawElements(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          PrimitiveMode modePacked,
+                          GLsizei count,
+                          DrawElementsType typePacked,
+                          const void *indices);
+bool ValidateEnable(const Context *context, angle::EntryPoint entryPoint, GLenum cap);
+bool ValidateEnableVertexAttribArray(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint index);
+bool ValidateFinish(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateFlush(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateFramebufferRenderbuffer(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     GLenum renderbuffertarget,
+                                     RenderbufferID renderbufferPacked);
+bool ValidateFramebufferTexture2D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLenum attachment,
+                                  TextureTarget textargetPacked,
+                                  TextureID texturePacked,
+                                  GLint level);
+bool ValidateFrontFace(const Context *context, angle::EntryPoint entryPoint, GLenum mode);
+bool ValidateGenBuffers(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLsizei n,
+                        const BufferID *buffersPacked);
+bool ValidateGenFramebuffers(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLsizei n,
+                             const FramebufferID *framebuffersPacked);
+bool ValidateGenRenderbuffers(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei n,
+                              const RenderbufferID *renderbuffersPacked);
+bool ValidateGenTextures(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLsizei n,
+                         const TextureID *texturesPacked);
+bool ValidateGenerateMipmap(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType targetPacked);
+bool ValidateGetActiveAttrib(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID programPacked,
+                             GLuint index,
+                             GLsizei bufSize,
+                             const GLsizei *length,
+                             const GLint *size,
+                             const GLenum *type,
+                             const GLchar *name);
+bool ValidateGetActiveUniform(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              GLuint index,
+                              GLsizei bufSize,
+                              const GLsizei *length,
+                              const GLint *size,
+                              const GLenum *type,
+                              const GLchar *name);
+bool ValidateGetAttachedShaders(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                GLsizei maxCount,
+                                const GLsizei *count,
+                                const ShaderProgramID *shadersPacked);
+bool ValidateGetAttribLocation(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               const GLchar *name);
+bool ValidateGetBooleanv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         const GLboolean *data);
+bool ValidateGetBufferParameteriv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferBinding targetPacked,
+                                  GLenum pname,
+                                  const GLint *params);
+bool ValidateGetError(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateGetFloatv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum pname,
+                       const GLfloat *data);
+bool ValidateGetFramebufferAttachmentParameteriv(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 GLenum target,
+                                                 GLenum attachment,
+                                                 GLenum pname,
+                                                 const GLint *params);
+bool ValidateGetIntegerv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         const GLint *data);
+bool ValidateGetProgramInfoLog(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               GLsizei bufSize,
+                               const GLsizei *length,
+                               const GLchar *infoLog);
+bool ValidateGetProgramiv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID programPacked,
+                          GLenum pname,
+                          const GLint *params);
+bool ValidateGetRenderbufferParameteriv(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum target,
+                                        GLenum pname,
+                                        const GLint *params);
+bool ValidateGetShaderInfoLog(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID shaderPacked,
+                              GLsizei bufSize,
+                              const GLsizei *length,
+                              const GLchar *infoLog);
+bool ValidateGetShaderPrecisionFormat(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum shadertype,
+                                      GLenum precisiontype,
+                                      const GLint *range,
+                                      const GLint *precision);
+bool ValidateGetShaderSource(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID shaderPacked,
+                             GLsizei bufSize,
+                             const GLsizei *length,
+                             const GLchar *source);
+bool ValidateGetShaderiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         ShaderProgramID shaderPacked,
+                         GLenum pname,
+                         const GLint *params);
+bool ValidateGetString(const Context *context, angle::EntryPoint entryPoint, GLenum name);
+bool ValidateGetTexParameterfv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType targetPacked,
+                               GLenum pname,
+                               const GLfloat *params);
+bool ValidateGetTexParameteriv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType targetPacked,
+                               GLenum pname,
+                               const GLint *params);
+bool ValidateGetUniformLocation(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                const GLchar *name);
+bool ValidateGetUniformfv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID programPacked,
+                          UniformLocation locationPacked,
+                          const GLfloat *params);
+bool ValidateGetUniformiv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID programPacked,
+                          UniformLocation locationPacked,
+                          const GLint *params);
+bool ValidateGetVertexAttribPointerv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint index,
+                                     GLenum pname,
+                                     void *const *pointer);
+bool ValidateGetVertexAttribfv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum pname,
+                               const GLfloat *params);
+bool ValidateGetVertexAttribiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum pname,
+                               const GLint *params);
+bool ValidateHint(const Context *context, angle::EntryPoint entryPoint, GLenum target, GLenum mode);
+bool ValidateIsBuffer(const Context *context, angle::EntryPoint entryPoint, BufferID bufferPacked);
+bool ValidateIsEnabled(const Context *context, angle::EntryPoint entryPoint, GLenum cap);
+bool ValidateIsFramebuffer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           FramebufferID framebufferPacked);
+bool ValidateIsProgram(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       ShaderProgramID programPacked);
+bool ValidateIsRenderbuffer(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            RenderbufferID renderbufferPacked);
+bool ValidateIsShader(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      ShaderProgramID shaderPacked);
+bool ValidateIsTexture(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       TextureID texturePacked);
+bool ValidateLineWidth(const Context *context, angle::EntryPoint entryPoint, GLfloat width);
+bool ValidateLinkProgram(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         ShaderProgramID programPacked);
+bool ValidatePixelStorei(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLint param);
+bool ValidatePolygonOffset(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLfloat factor,
+                           GLfloat units);
+bool ValidateReadPixels(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLint x,
+                        GLint y,
+                        GLsizei width,
+                        GLsizei height,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels);
+bool ValidateReleaseShaderCompiler(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateRenderbufferStorage(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 GLenum internalformat,
+                                 GLsizei width,
+                                 GLsizei height);
+bool ValidateSampleCoverage(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLfloat value,
+                            GLboolean invert);
+bool ValidateScissor(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLint x,
+                     GLint y,
+                     GLsizei width,
+                     GLsizei height);
+bool ValidateShaderBinary(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLsizei count,
+                          const ShaderProgramID *shadersPacked,
+                          GLenum binaryFormat,
+                          const void *binary,
+                          GLsizei length);
+bool ValidateShaderSource(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID shaderPacked,
+                          GLsizei count,
+                          const GLchar *const *string,
+                          const GLint *length);
+bool ValidateStencilFunc(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum func,
+                         GLint ref,
+                         GLuint mask);
+bool ValidateStencilFuncSeparate(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum face,
+                                 GLenum func,
+                                 GLint ref,
+                                 GLuint mask);
+bool ValidateStencilMask(const Context *context, angle::EntryPoint entryPoint, GLuint mask);
+bool ValidateStencilMaskSeparate(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum face,
+                                 GLuint mask);
+bool ValidateStencilOp(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum fail,
+                       GLenum zfail,
+                       GLenum zpass);
+bool ValidateStencilOpSeparate(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum face,
+                               GLenum sfail,
+                               GLenum dpfail,
+                               GLenum dppass);
+bool ValidateTexImage2D(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        TextureTarget targetPacked,
+                        GLint level,
+                        GLint internalformat,
+                        GLsizei width,
+                        GLsizei height,
+                        GLint border,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels);
+bool ValidateTexParameterf(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType targetPacked,
+                           GLenum pname,
+                           GLfloat param);
+bool ValidateTexParameterfv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType targetPacked,
+                            GLenum pname,
+                            const GLfloat *params);
+bool ValidateTexParameteri(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType targetPacked,
+                           GLenum pname,
+                           GLint param);
+bool ValidateTexParameteriv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType targetPacked,
+                            GLenum pname,
+                            const GLint *params);
+bool ValidateTexSubImage2D(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureTarget targetPacked,
+                           GLint level,
+                           GLint xoffset,
+                           GLint yoffset,
+                           GLsizei width,
+                           GLsizei height,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels);
+bool ValidateUniform1f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLfloat v0);
+bool ValidateUniform1fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLfloat *value);
+bool ValidateUniform1i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLint v0);
+bool ValidateUniform1iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLint *value);
+bool ValidateUniform2f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLfloat v0,
+                       GLfloat v1);
+bool ValidateUniform2fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLfloat *value);
+bool ValidateUniform2i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLint v0,
+                       GLint v1);
+bool ValidateUniform2iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLint *value);
+bool ValidateUniform3f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLfloat v0,
+                       GLfloat v1,
+                       GLfloat v2);
+bool ValidateUniform3fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLfloat *value);
+bool ValidateUniform3i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLint v0,
+                       GLint v1,
+                       GLint v2);
+bool ValidateUniform3iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLint *value);
+bool ValidateUniform4f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLfloat v0,
+                       GLfloat v1,
+                       GLfloat v2,
+                       GLfloat v3);
+bool ValidateUniform4fv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLfloat *value);
+bool ValidateUniform4i(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLint v0,
+                       GLint v1,
+                       GLint v2,
+                       GLint v3);
+bool ValidateUniform4iv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLint *value);
+bool ValidateUniformMatrix2fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLfloat *value);
+bool ValidateUniformMatrix3fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLfloat *value);
+bool ValidateUniformMatrix4fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLfloat *value);
+bool ValidateUseProgram(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        ShaderProgramID programPacked);
+bool ValidateValidateProgram(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ShaderProgramID programPacked);
+bool ValidateVertexAttrib1f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x);
+bool ValidateVertexAttrib1fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *v);
+bool ValidateVertexAttrib2f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x,
+                            GLfloat y);
+bool ValidateVertexAttrib2fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *v);
+bool ValidateVertexAttrib3f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x,
+                            GLfloat y,
+                            GLfloat z);
+bool ValidateVertexAttrib3fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *v);
+bool ValidateVertexAttrib4f(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLfloat x,
+                            GLfloat y,
+                            GLfloat z,
+                            GLfloat w);
+bool ValidateVertexAttrib4fv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLfloat *v);
+bool ValidateVertexAttribPointer(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint index,
+                                 GLint size,
+                                 VertexAttribType typePacked,
+                                 GLboolean normalized,
+                                 GLsizei stride,
+                                 const void *pointer);
+bool ValidateViewport(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLint x,
+                      GLint y,
+                      GLsizei width,
+                      GLsizei height);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES2_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES3.cpp b/gfx/angle/checkout/src/libANGLE/validationES3.cpp
new file mode 100644
index 0000000000..633cc02da9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES3.cpp
@@ -0,0 +1,5311 @@
+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationES3.cpp: Validation functions for OpenGL ES 3.0 entry point parameters
+
+#include "libANGLE/validationES3_autogen.h"
+
+#include "anglebase/numerics/safe_conversions.h"
+#include "common/mathutil.h"
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/PixelLocalStorage.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/validationES.h"
+
+using namespace angle;
+
+namespace gl
+{
+using namespace err;
+
+namespace
+{
+bool ValidateFramebufferTextureMultiviewBaseANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum target,
+                                                  GLenum attachment,
+                                                  TextureID texture,
+                                                  GLint level,
+                                                  GLsizei numViews)
+{
+    if (!(context->getExtensions().multiviewOVR || context->getExtensions().multiview2OVR))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMultiviewNotAvailable);
+        return false;
+    }
+
+    if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level))
+    {
+        return false;
+    }
+
+    if (texture.value != 0 && numViews < 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kMultiviewViewsTooSmall);
+        return false;
+    }
+
+    if (static_cast<GLuint>(numViews) > context->getCaps().maxViews)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kMultiviewViewsTooLarge);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferTextureMultiviewLevelAndFormat(const Context *context,
+                                                       angle::EntryPoint entryPoint,
+                                                       const Texture *texture,
+                                                       GLint level)
+{
+    TextureType type = texture->getType();
+    if (!ValidMipLevel(context, type, level))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    const auto &format = texture->getFormat(NonCubeTextureTypeToTarget(type), level);
+    if (format.info->compressed)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kCompressedTexturesNotAttachable);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateUniformES3(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum uniformType,
+                        UniformLocation location,
+                        GLint count)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateUniform(context, entryPoint, uniformType, location, count);
+}
+
+bool ValidateUniformMatrixES3(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum valueType,
+                              UniformLocation location,
+                              GLsizei count,
+                              GLboolean transpose)
+{
+    // Check for ES3 uniform entry points
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateUniformMatrix(context, entryPoint, valueType, location, count, transpose);
+}
+
+bool ValidateGenOrDeleteES3(const Context *context, angle::EntryPoint entryPoint, GLint n)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenOrDeleteCountES3(const Context *context, angle::EntryPoint entryPoint, GLint count)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    if (count < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateCopyTexture3DCommon(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 const Texture *source,
+                                 GLint sourceLevel,
+                                 GLint srcInternalFormat,
+                                 const Texture *dest,
+                                 GLint destLevel,
+                                 GLint internalFormat,
+                                 TextureTarget destTarget)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!context->getExtensions().copyTexture3dANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kANGLECopyTexture3DUnavailable);
+        return false;
+    }
+
+    if (!ValidTexture3DTarget(context, source->getType()))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    // Table 1.1 from the ANGLE_copy_texture_3d spec
+    switch (GetUnsizedFormat(srcInternalFormat))
+    {
+        case GL_ALPHA:
+        case GL_LUMINANCE:
+        case GL_LUMINANCE_ALPHA:
+        case GL_RED:
+        case GL_RED_INTEGER:
+        case GL_RG:
+        case GL_RG_INTEGER:
+        case GL_RGB:
+        case GL_RGB_INTEGER:
+        case GL_RGBA:
+        case GL_RGBA_INTEGER:
+        case GL_DEPTH_COMPONENT:
+        case GL_DEPTH_STENCIL:
+            break;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                      srcInternalFormat);
+            return false;
+    }
+
+    if (!ValidTexture3DTarget(context, TextureTargetToType(destTarget)))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    // Table 1.0 from the ANGLE_copy_texture_3d spec
+    switch (internalFormat)
+    {
+        case GL_RGB:
+        case GL_RGBA:
+        case GL_LUMINANCE:
+        case GL_LUMINANCE_ALPHA:
+        case GL_ALPHA:
+        case GL_R8:
+        case GL_R8_SNORM:
+        case GL_R16F:
+        case GL_R32F:
+        case GL_R8UI:
+        case GL_R8I:
+        case GL_R16UI:
+        case GL_R16I:
+        case GL_R32UI:
+        case GL_R32I:
+        case GL_RG:
+        case GL_RG8:
+        case GL_RG8_SNORM:
+        case GL_RG16F:
+        case GL_RG32F:
+        case GL_RG8UI:
+        case GL_RG8I:
+        case GL_RG16UI:
+        case GL_RG16I:
+        case GL_RG32UI:
+        case GL_RG32I:
+        case GL_RGB8:
+        case GL_RGBX8_ANGLE:
+        case GL_SRGB8:
+        case GL_RGB565:
+        case GL_RGB8_SNORM:
+        case GL_R11F_G11F_B10F:
+        case GL_RGB9_E5:
+        case GL_RGB16F:
+        case GL_RGB32F:
+        case GL_RGB8UI:
+        case GL_RGB8I:
+        case GL_RGB16UI:
+        case GL_RGB16I:
+        case GL_RGB32UI:
+        case GL_RGB32I:
+        case GL_RGBA8:
+        case GL_SRGB8_ALPHA8:
+        case GL_RGBA8_SNORM:
+        case GL_RGB5_A1:
+        case GL_RGBA4:
+        case GL_RGB10_A2:
+        case GL_RGBA16F:
+        case GL_RGBA32F:
+        case GL_RGBA8UI:
+        case GL_RGBA8I:
+        case GL_RGB10_A2UI:
+        case GL_RGBA16UI:
+        case GL_RGBA16I:
+        case GL_RGBA32I:
+        case GL_RGBA32UI:
+            break;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                      internalFormat);
+            return false;
+    }
+
+    return true;
+}
+}  // anonymous namespace
+
+static bool ValidateTexImageFormatCombination(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              TextureType target,
+                                              GLenum internalFormat,
+                                              GLenum format,
+                                              GLenum type)
+{
+    // Different validation if on desktop api
+    if (context->getClientType() == EGL_OPENGL_API)
+    {
+        // The type and format are valid if any supported internal format has that type and format
+        if (!ValidDesktopFormat(format))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+            return false;
+        }
+
+        if (!ValidDesktopType(type))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+            return false;
+        }
+    }
+    else
+    {
+        // The type and format are valid if any supported internal format has that type and format.
+        // ANGLE_texture_external_yuv_sampling extension adds support for YUV formats
+        if (gl::IsYuvFormat(format))
+        {
+            if (!context->getExtensions().yuvInternalFormatANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                return false;
+            }
+        }
+        else
+        {
+            if (!ValidES3Format(format))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                return false;
+            }
+        }
+
+        if (!ValidES3Type(type) || (type == GL_HALF_FLOAT_OES && context->isWebGL()))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+            return false;
+        }
+    }
+
+    // For historical reasons, glTexImage2D and glTexImage3D pass in their internal format as a
+    // GLint instead of a GLenum. Therefor an invalid internal format gives a GL_INVALID_VALUE
+    // error instead of a GL_INVALID_ENUM error. As this validation function is only called in
+    // the validation codepaths for glTexImage2D/3D, we record a GL_INVALID_VALUE error.
+    if (!ValidES3InternalFormat(internalFormat))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_VALUE, kInvalidInternalFormat,
+                                  internalFormat);
+        return false;
+    }
+
+    // From the ES 3.0 spec section 3.8.3:
+    // Textures with a base internal format of DEPTH_COMPONENT or DEPTH_STENCIL are supported by
+    // texture image specification commands only if target is TEXTURE_2D, TEXTURE_2D_ARRAY, or
+    // TEXTURE_CUBE_MAP.Using these formats in conjunction with any other target will result in an
+    // INVALID_OPERATION error.
+    if (target == TextureType::_3D && (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, k3DDepthStencil);
+        return false;
+    }
+
+    if (context->getClientType() == EGL_OPENGL_API)
+    {
+        // Check if this is a valid format combination to load texture data
+        if (!ValidDesktopFormatCombination(format, type, internalFormat))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormatCombination);
+            return false;
+        }
+    }
+    else
+    {
+        // Check if this is a valid format combination to load texture data
+        // ANGLE_texture_external_yuv_sampling extension adds support for YUV formats
+        if (gl::IsYuvFormat(format))
+        {
+            if (type != GL_UNSIGNED_BYTE)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidFormatCombination);
+                return false;
+            }
+        }
+        else
+        {
+            if (!ValidES3FormatCombination(format, type, internalFormat))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidFormatCombination);
+                return false;
+            }
+        }
+    }
+
+    const InternalFormat &formatInfo = GetInternalFormatInfo(internalFormat, type);
+    if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+    {
+        context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                  internalFormat);
+        return false;
+    }
+
+    return true;
+}
+
+static bool ValidateES3CompressedFormatForTexture2DArray(const Context *context,
+                                                         angle::EntryPoint entryPoint,
+                                                         GLenum format)
+{
+    if (IsETC1Format(format) || IsPVRTC1Format(format))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInternalFormatRequiresTexture2D);
+        return false;
+    }
+
+    return true;
+}
+
+static bool ValidateES3CompressedFormatForTexture3D(const Context *context,
+                                                    angle::EntryPoint entryPoint,
+                                                    GLenum format)
+{
+    if (IsETC1Format(format) || IsPVRTC1Format(format))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInternalFormatRequiresTexture2D);
+        return false;
+    }
+
+    if (IsETC2EACFormat(format))
+    {
+        // ES 3.1, Section 8.7, page 169.
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInternalFormatRequiresTexture2DArray);
+        return false;
+    }
+
+    if (IsASTC2DFormat(format) && !(context->getExtensions().textureCompressionAstcHdrKHR ||
+                                    context->getExtensions().textureCompressionAstcSliced3dKHR))
+    {
+        // GL_KHR_texture_compression_astc_hdr, TEXTURE_3D is not supported without HDR profile
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInternalFormatRequiresTexture2DArrayASTC);
+        return false;
+    }
+
+    if (IsS3TCFormat(format))
+    {
+        // GL_EXT_texture_compression_s3tc
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInternalFormatRequiresTexture2DArrayS3TC);
+        return false;
+    }
+
+    if (IsRGTCFormat(format))
+    {
+        // GL_EXT_texture_compression_rgtc
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInternalFormatRequiresTexture2DArrayRGTC);
+        return false;
+    }
+
+    if (IsBPTCFormat(format) && (context->getLimitations().noCompressedTexture3D))
+    {
+        // GL_EXT_texture_compression_bptc
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kInternalFormatRequiresTexture2DArrayBPTC);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateES3TexImageParametersBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureTarget target,
+                                       GLint level,
+                                       GLenum internalformat,
+                                       bool isCompressed,
+                                       bool isSubImage,
+                                       GLint xoffset,
+                                       GLint yoffset,
+                                       GLint zoffset,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth,
+                                       GLint border,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei imageSize,
+                                       const void *pixels)
+{
+    TextureType texType = TextureTargetToType(target);
+
+    if (gl::IsYuvFormat(format))
+    {
+        // According to ANGLE_yuv_internal_format, the texture needs to be an immutable
+        // texture, texture target can only be TEXTURE_2D and there is no mipmap support
+        if (!context->getExtensions().yuvInternalFormatANGLE || !isSubImage)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+            return false;
+        }
+
+        if (target != TextureTarget::_2D)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+            return false;
+        }
+
+        if (level != 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+            return false;
+        }
+    }
+
+    // Validate image size
+    if (!ValidImageSizeParameters(context, entryPoint, texType, level, width, height, depth,
+                                  isSubImage))
+    {
+        // Error already processed.
+        return false;
+    }
+
+    // Verify zero border
+    if (border != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBorder);
+        return false;
+    }
+
+    if (xoffset < 0 || yoffset < 0 || zoffset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (std::numeric_limits<GLsizei>::max() - xoffset < width ||
+        std::numeric_limits<GLsizei>::max() - yoffset < height ||
+        std::numeric_limits<GLsizei>::max() - zoffset < depth)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+
+    switch (texType)
+    {
+        case TextureType::_2D:
+        case TextureType::External:
+        case TextureType::VideoImage:
+            if (width > (caps.max2DTextureSize >> level) ||
+                height > (caps.max2DTextureSize >> level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+
+        case TextureType::Rectangle:
+            ASSERT(level == 0);
+            if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            if (isCompressed)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kRectangleTextureCompressed);
+                return false;
+            }
+            break;
+
+        case TextureType::CubeMap:
+            if (!isSubImage && width != height)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kCubemapFacesEqualDimensions);
+                return false;
+            }
+
+            if (width > (caps.maxCubeMapTextureSize >> level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+
+        case TextureType::_3D:
+            if (width > (caps.max3DTextureSize >> level) ||
+                height > (caps.max3DTextureSize >> level) ||
+                depth > (caps.max3DTextureSize >> level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+
+        case TextureType::_2DArray:
+            if (width > (caps.max2DTextureSize >> level) ||
+                height > (caps.max2DTextureSize >> level) || depth > caps.maxArrayTextureLayers)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+            break;
+
+        case TextureType::CubeMapArray:
+            if (!isSubImage && width != height)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kCubemapFacesEqualDimensions);
+                return false;
+            }
+
+            if (width > (caps.maxCubeMapTextureSize >> level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+
+            if (width > (caps.max3DTextureSize >> level) ||
+                height > (caps.max3DTextureSize >> level) ||
+                depth > (caps.max3DTextureSize >> level))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+
+            if (!isSubImage && depth % 6 != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kCubemapInvalidDepth);
+                return false;
+            }
+            break;
+
+        case TextureType::InvalidEnum:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kEnumInvalid);
+            return false;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                      ToGLenum(texType));
+            return false;
+    }
+
+    Texture *texture = context->getTextureByType(texType);
+    if (!texture)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingTexture);
+        return false;
+    }
+
+    if (texture->getImmutableFormat() && !isSubImage)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsImmutable);
+        return false;
+    }
+
+    // Validate texture formats
+    GLenum actualInternalFormat =
+        isSubImage ? texture->getFormat(target, level).info->internalFormat : internalformat;
+    if (isSubImage && actualInternalFormat == GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidMipLevel);
+        return false;
+    }
+
+    const InternalFormat &actualFormatInfo = isSubImage
+                                                 ? *texture->getFormat(target, level).info
+                                                 : GetInternalFormatInfo(internalformat, type);
+    if (isCompressed)
+    {
+        // compressedTexSubImage does not generate GL_INVALID_ENUM when format is unknown or invalid
+        if (!isSubImage)
+        {
+            if (!actualFormatInfo.compressed && !actualFormatInfo.paletted)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kCompressedMismatch);
+                return false;
+            }
+
+            if (!actualFormatInfo.textureSupport(context->getClientVersion(),
+                                                 context->getExtensions()))
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+                return false;
+            }
+        }
+
+        if (texType == TextureType::_2DArray)
+        {
+            GLenum compressedDataFormat = isSubImage ? format : internalformat;
+            if (!ValidateES3CompressedFormatForTexture2DArray(context, entryPoint,
+                                                              compressedDataFormat))
+            {
+                // Error already generated.
+                return false;
+            }
+        }
+
+        if (texType == TextureType::_3D)
+        {
+            GLenum compressedDataFormat = isSubImage ? format : internalformat;
+            if (!ValidateES3CompressedFormatForTexture3D(context, entryPoint, compressedDataFormat))
+            {
+                // Error already generated.
+                return false;
+            }
+        }
+
+        if (isSubImage)
+        {
+            if (!ValidCompressedSubImageSize(
+                    context, actualFormatInfo.internalFormat, xoffset, yoffset, zoffset, width,
+                    height, depth, texture->getWidth(target, level),
+                    texture->getHeight(target, level), texture->getDepth(target, level)))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidCompressedImageSize);
+                return false;
+            }
+
+            if (format != actualInternalFormat)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kMismatchedFormat);
+                return false;
+            }
+
+            // GL_EXT_compressed_ETC1_RGB8_sub_texture allows this format
+            if (IsETC1Format(actualInternalFormat) &&
+                !context->getExtensions().compressedETC1RGB8SubTextureEXT)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat,
+                                          internalformat);
+                return false;
+            }
+        }
+        else
+        {
+            if (!ValidCompressedImageSize(context, actualInternalFormat, level, width, height,
+                                          depth))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidCompressedImageSize);
+                return false;
+            }
+        }
+
+        // Disallow 3D-only compressed formats from being set on 2D textures
+        if (actualFormatInfo.compressedBlockDepth > 1 && texType != TextureType::_2DArray)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureTarget);
+            return false;
+        }
+    }
+    else
+    {
+        // Compressed formats are not valid internal formats for glTexImage*D
+        if (!isSubImage)
+        {
+            const InternalFormat &internalFormatInfo = GetSizedInternalFormatInfo(internalformat);
+            if (internalFormatInfo.compressed)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_VALUE, kInvalidInternalFormat,
+                                          internalformat);
+                return false;
+            }
+        }
+
+        if (!ValidateTexImageFormatCombination(context, entryPoint, texType, actualInternalFormat,
+                                               format, type))
+        {
+            return false;
+        }
+    }
+
+    // Validate sub image parameters
+    if (isSubImage)
+    {
+        if (isCompressed != actualFormatInfo.compressed)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kCompressedMismatch);
+            return false;
+        }
+
+        if (xoffset < 0 || yoffset < 0 || zoffset < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+            return false;
+        }
+
+        if (std::numeric_limits<GLsizei>::max() - xoffset < width ||
+            std::numeric_limits<GLsizei>::max() - yoffset < height ||
+            std::numeric_limits<GLsizei>::max() - zoffset < depth)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow);
+            return false;
+        }
+
+        if (static_cast<size_t>(xoffset + width) > texture->getWidth(target, level) ||
+            static_cast<size_t>(yoffset + height) > texture->getHeight(target, level) ||
+            static_cast<size_t>(zoffset + depth) > texture->getDepth(target, level))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow);
+            return false;
+        }
+
+        if (width > 0 && height > 0 && depth > 0 && pixels == nullptr &&
+            context->getState().getTargetBuffer(BufferBinding::PixelUnpack) == nullptr)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kPixelDataNull);
+            return false;
+        }
+    }
+
+    GLenum sizeCheckFormat = isSubImage ? format : internalformat;
+    if (!ValidImageDataSize(context, entryPoint, texType, width, height, depth, sizeCheckFormat,
+                            type, pixels, imageSize))
+    {
+        return false;
+    }
+
+    // Check for pixel unpack buffer related API errors
+    Buffer *pixelUnpackBuffer = context->getState().getTargetBuffer(BufferBinding::PixelUnpack);
+    if (pixelUnpackBuffer != nullptr)
+    {
+        // ...data is not evenly divisible into the number of bytes needed to store in memory a
+        // datum
+        // indicated by type.
+        if (!isCompressed)
+        {
+            size_t offset            = reinterpret_cast<size_t>(pixels);
+            size_t dataBytesPerPixel = static_cast<size_t>(GetTypeInfo(type).bytes);
+
+            if ((offset % dataBytesPerPixel) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kDataTypeNotAligned);
+                return false;
+            }
+        }
+
+        // ...the buffer object's data store is currently mapped but not persistently.
+        if (pixelUnpackBuffer->isMapped() && !pixelUnpackBuffer->isPersistentlyMapped())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped);
+            return false;
+        }
+    }
+
+    if (context->getExtensions().webglCompatibilityANGLE)
+    {
+        // Define:
+        //   DataStoreWidth  = (GL_UNPACK_ROW_LENGTH ? GL_UNPACK_ROW_LENGTH : width)
+        //   DataStoreHeight = (GL_UNPACK_IMAGE_HEIGHT ? GL_UNPACK_IMAGE_HEIGHT : height)
+        //
+        // WebGL 2.0 imposes the following additional constraints:
+        //
+        // 1) texImage2D and texSubImage2D generate INVALID_OPERATION if:
+        //      GL_UNPACK_SKIP_PIXELS + width > DataStoreWidth
+        //    except for texImage2D if no GL_PIXEL_UNPACK_BUFFER is
+        //    bound and _pixels_ is null.
+        //
+        // 2) texImage3D and texSubImage3D generate INVALID_OPERATION if:
+        //      GL_UNPACK_SKIP_PIXELS + width > DataStoreWidth
+        //      GL_UNPACK_SKIP_ROWS + height > DataStoreHeight
+        //    except for texImage3D if no GL_PIXEL_UNPACK_BUFFER is
+        //    bound and _pixels_ is null.
+        if (!pixelUnpackBuffer && !pixels && !isSubImage)
+        {
+            // Exception case for texImage2D or texImage3D, above.
+        }
+        else
+        {
+            const auto &unpack   = context->getState().getUnpackState();
+            GLint dataStoreWidth = unpack.rowLength ? unpack.rowLength : width;
+            if (unpack.skipPixels + width > dataStoreWidth)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidUnpackParametersForWebGL);
+                return false;
+            }
+            if (target == TextureTarget::_3D || target == TextureTarget::_2DArray)
+            {
+                GLint dataStoreHeight = unpack.imageHeight ? unpack.imageHeight : height;
+                if (unpack.skipRows + height > dataStoreHeight)
+                {
+                    context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                             kInvalidUnpackParametersForWebGL);
+                    return false;
+                }
+            }
+        }
+    }
+
+    return true;
+}
+
+bool ValidateES3TexImage2DParameters(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLenum internalformat,
+                                     bool isCompressed,
+                                     bool isSubImage,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLint zoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type,
+                                     GLsizei imageSize,
+                                     const void *pixels)
+{
+    if (!ValidTexture2DDestinationTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return ValidateES3TexImageParametersBase(
+        context, entryPoint, target, level, internalformat, isCompressed, isSubImage, xoffset,
+        yoffset, zoffset, width, height, depth, border, format, type, imageSize, pixels);
+}
+
+bool ValidateES3TexImage3DParameters(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLenum internalformat,
+                                     bool isCompressed,
+                                     bool isSubImage,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLint zoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type,
+                                     GLsizei bufSize,
+                                     const void *pixels)
+{
+    if (!ValidTexture3DDestinationTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return ValidateES3TexImageParametersBase(
+        context, entryPoint, target, level, internalformat, isCompressed, isSubImage, xoffset,
+        yoffset, zoffset, width, height, depth, border, format, type, bufSize, pixels);
+}
+
+struct EffectiveInternalFormatInfo
+{
+    GLenum effectiveFormat;
+    GLenum destFormat;
+    GLuint minRedBits;
+    GLuint maxRedBits;
+    GLuint minGreenBits;
+    GLuint maxGreenBits;
+    GLuint minBlueBits;
+    GLuint maxBlueBits;
+    GLuint minAlphaBits;
+    GLuint maxAlphaBits;
+};
+
+static bool QueryEffectiveFormatList(const InternalFormat &srcFormat,
+                                     GLenum targetFormat,
+                                     const EffectiveInternalFormatInfo *list,
+                                     size_t size,
+                                     GLenum *outEffectiveFormat)
+{
+    for (size_t curFormat = 0; curFormat < size; ++curFormat)
+    {
+        const EffectiveInternalFormatInfo &formatInfo = list[curFormat];
+        if ((formatInfo.destFormat == targetFormat) &&
+            (formatInfo.minRedBits <= srcFormat.redBits &&
+             formatInfo.maxRedBits >= srcFormat.redBits) &&
+            (formatInfo.minGreenBits <= srcFormat.greenBits &&
+             formatInfo.maxGreenBits >= srcFormat.greenBits) &&
+            (formatInfo.minBlueBits <= srcFormat.blueBits &&
+             formatInfo.maxBlueBits >= srcFormat.blueBits) &&
+            (formatInfo.minAlphaBits <= srcFormat.alphaBits &&
+             formatInfo.maxAlphaBits >= srcFormat.alphaBits))
+        {
+            *outEffectiveFormat = formatInfo.effectiveFormat;
+            return true;
+        }
+    }
+
+    *outEffectiveFormat = GL_NONE;
+    return false;
+}
+
+bool GetSizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat,
+                                         GLenum *outEffectiveFormat)
+{
+    // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141:
+    // Effective internal format coresponding to destination internal format and linear source
+    // buffer component sizes.
+    //                                       | Source channel min/max sizes |
+    //   Effective Internal Format   |  N/A  |  R   |  G   |  B   |  A      |
+    // clang-format off
+    constexpr EffectiveInternalFormatInfo list[] = {
+        { GL_ALPHA8_EXT,              GL_NONE, 0,  0, 0,  0, 0,  0, 1, 8 },
+        { GL_R8,                      GL_NONE, 1,  8, 0,  0, 0,  0, 0, 0 },
+        { GL_RG8,                     GL_NONE, 1,  8, 1,  8, 0,  0, 0, 0 },
+        { GL_RGB565,                  GL_NONE, 1,  5, 1,  6, 1,  5, 0, 0 },
+        { GL_RGB8,                    GL_NONE, 6,  8, 7,  8, 6,  8, 0, 0 },
+        { GL_RGBA4,                   GL_NONE, 1,  4, 1,  4, 1,  4, 1, 4 },
+        { GL_RGB5_A1,                 GL_NONE, 5,  5, 5,  5, 5,  5, 1, 1 },
+        { GL_RGBA8,                   GL_NONE, 5,  8, 5,  8, 5,  8, 2, 8 },
+        { GL_RGB10_A2,                GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2 },
+    };
+    // clang-format on
+
+    return QueryEffectiveFormatList(srcFormat, GL_NONE, list, ArraySize(list), outEffectiveFormat);
+}
+
+bool GetUnsizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat,
+                                           const InternalFormat &destFormat,
+                                           GLenum *outEffectiveFormat)
+{
+    constexpr GLuint umax = UINT_MAX;
+
+    // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141:
+    // Effective internal format coresponding to destination internal format andlinear source buffer
+    // component sizes.
+    //                                                   |   Source channel min/max sizes   |
+    //     Effective Internal Format |   Dest Format     |   R   |    G   |    B   |    A   |
+    // clang-format off
+    constexpr EffectiveInternalFormatInfo list[] = {
+        { GL_ALPHA8_EXT,             GL_ALPHA,           0, umax, 0, umax, 0, umax, 1,    8 },
+        { GL_LUMINANCE8_EXT,         GL_LUMINANCE,       1,    8, 0, umax, 0, umax, 0, umax },
+        { GL_LUMINANCE8_ALPHA8_EXT,  GL_LUMINANCE_ALPHA, 1,    8, 0, umax, 0, umax, 1,    8 },
+        { GL_RGB565,                 GL_RGB,             1,    5, 1,    6, 1,    5, 0, umax },
+        { GL_RGB8,                   GL_RGB,             6,    8, 7,    8, 6,    8, 0, umax },
+        { GL_RGBA4,                  GL_RGBA,            1,    4, 1,    4, 1,    4, 1,    4 },
+        { GL_RGB5_A1,                GL_RGBA,            5,    5, 5,    5, 5,    5, 1,    1 },
+        { GL_RGBA8,                  GL_RGBA,            5,    8, 5,    8, 5,    8, 5,    8 },
+    };
+    // clang-format on
+
+    return QueryEffectiveFormatList(srcFormat, destFormat.format, list, ArraySize(list),
+                                    outEffectiveFormat);
+}
+
+static bool GetEffectiveInternalFormat(const InternalFormat &srcFormat,
+                                       const InternalFormat &destFormat,
+                                       GLenum *outEffectiveFormat)
+{
+    if (destFormat.sized)
+    {
+        return GetSizedEffectiveInternalFormatInfo(srcFormat, outEffectiveFormat);
+    }
+    else
+    {
+        return GetUnsizedEffectiveInternalFormatInfo(srcFormat, destFormat, outEffectiveFormat);
+    }
+}
+
+static bool EqualOrFirstZero(GLuint first, GLuint second)
+{
+    return first == 0 || first == second;
+}
+
+static bool IsValidES3CopyTexImageCombination(const InternalFormat &textureFormatInfo,
+                                              const InternalFormat &framebufferFormatInfo,
+                                              FramebufferID readBufferHandle)
+{
+    if (!ValidES3CopyConversion(textureFormatInfo.format, framebufferFormatInfo.format))
+    {
+        return false;
+    }
+
+    // Section 3.8.5 of the GLES 3.0.3 spec states that source and destination formats
+    // must both be signed, unsigned, or fixed point and both source and destinations
+    // must be either both SRGB or both not SRGB. EXT_color_buffer_float adds allowed
+    // conversion between fixed and floating point.
+
+    if ((textureFormatInfo.colorEncoding == GL_SRGB) !=
+        (framebufferFormatInfo.colorEncoding == GL_SRGB))
+    {
+        return false;
+    }
+
+    if (((textureFormatInfo.componentType == GL_INT) !=
+         (framebufferFormatInfo.componentType == GL_INT)) ||
+        ((textureFormatInfo.componentType == GL_UNSIGNED_INT) !=
+         (framebufferFormatInfo.componentType == GL_UNSIGNED_INT)))
+    {
+        return false;
+    }
+
+    if ((textureFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
+         textureFormatInfo.componentType == GL_SIGNED_NORMALIZED) &&
+        !(framebufferFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
+          framebufferFormatInfo.componentType == GL_SIGNED_NORMALIZED))
+    {
+        return false;
+    }
+
+    // SNORM is not supported (e.g. is not in the tables of "effective internal format" that
+    // correspond to internal formats.
+    if (textureFormatInfo.componentType == GL_SIGNED_NORMALIZED)
+    {
+        return false;
+    }
+
+    // Section 3.8.5 of the GLES 3.0.3 (and section 8.6 of the GLES 3.2) spec has a caveat, that
+    // the KHR dEQP tests enforce:
+    //
+    // Note that the above rules disallow matches where some components sizes are smaller and
+    // others are larger (such as RGB10_A2).
+    if (!textureFormatInfo.sized && (framebufferFormatInfo.internalFormat == GL_RGB10_A2))
+    {
+        return false;
+    }
+
+    // GLES specification 3.0.3, sec 3.8.5, pg 139-140:
+    // The effective internal format of the source buffer is determined with the following rules
+    // applied in order:
+    //    * If the source buffer is a texture or renderbuffer that was created with a sized internal
+    //      format then the effective internal format is the source buffer's sized internal format.
+    //    * If the source buffer is a texture that was created with an unsized base internal format,
+    //      then the effective internal format is the source image array's effective internal
+    //      format, as specified by table 3.12, which is determined from the <format> and <type>
+    //      that were used when the source image array was specified by TexImage*.
+    //    * Otherwise the effective internal format is determined by the row in table 3.17 or 3.18
+    //      where Destination Internal Format matches internalformat and where the [source channel
+    //      sizes] are consistent with the values of the source buffer's [channel sizes]. Table 3.17
+    //      is used if the FRAMEBUFFER_ATTACHMENT_ENCODING is LINEAR and table 3.18 is used if the
+    //      FRAMEBUFFER_ATTACHMENT_ENCODING is SRGB.
+    const InternalFormat *sourceEffectiveFormat = nullptr;
+    if (readBufferHandle.value != 0)
+    {
+        // Not the default framebuffer, therefore the read buffer must be a user-created texture or
+        // renderbuffer
+        if (framebufferFormatInfo.sized)
+        {
+            sourceEffectiveFormat = &framebufferFormatInfo;
+        }
+        else
+        {
+            // Renderbuffers cannot be created with an unsized internal format, so this must be an
+            // unsized-format texture. We can use the same table we use when creating textures to
+            // get its effective sized format.
+            sourceEffectiveFormat =
+                &GetSizedInternalFormatInfo(framebufferFormatInfo.sizedInternalFormat);
+        }
+    }
+    else
+    {
+        // The effective internal format must be derived from the source framebuffer's channel
+        // sizes. This is done in GetEffectiveInternalFormat for linear buffers (table 3.17)
+        if (framebufferFormatInfo.colorEncoding == GL_LINEAR)
+        {
+            GLenum effectiveFormat;
+            if (GetEffectiveInternalFormat(framebufferFormatInfo, textureFormatInfo,
+                                           &effectiveFormat))
+            {
+                sourceEffectiveFormat = &GetSizedInternalFormatInfo(effectiveFormat);
+            }
+            else
+            {
+                return false;
+            }
+        }
+        else if (framebufferFormatInfo.colorEncoding == GL_SRGB)
+        {
+            // SRGB buffers can only be copied to sized format destinations according to table 3.18
+            if (textureFormatInfo.sized &&
+                (framebufferFormatInfo.redBits >= 1 && framebufferFormatInfo.redBits <= 8) &&
+                (framebufferFormatInfo.greenBits >= 1 && framebufferFormatInfo.greenBits <= 8) &&
+                (framebufferFormatInfo.blueBits >= 1 && framebufferFormatInfo.blueBits <= 8) &&
+                (framebufferFormatInfo.alphaBits >= 1 && framebufferFormatInfo.alphaBits <= 8))
+            {
+                sourceEffectiveFormat = &GetSizedInternalFormatInfo(GL_SRGB8_ALPHA8);
+            }
+            else
+            {
+                return false;
+            }
+        }
+        else
+        {
+            UNREACHABLE();
+            return false;
+        }
+    }
+
+    if (textureFormatInfo.sized)
+    {
+        // Section 3.8.5 of the GLES 3.0.3 spec, pg 139, requires that, if the destination format is
+        // sized, component sizes of the source and destination formats must exactly match if the
+        // destination format exists.
+        if (!EqualOrFirstZero(textureFormatInfo.redBits, sourceEffectiveFormat->redBits) ||
+            !EqualOrFirstZero(textureFormatInfo.greenBits, sourceEffectiveFormat->greenBits) ||
+            !EqualOrFirstZero(textureFormatInfo.blueBits, sourceEffectiveFormat->blueBits) ||
+            !EqualOrFirstZero(textureFormatInfo.alphaBits, sourceEffectiveFormat->alphaBits))
+        {
+            return false;
+        }
+    }
+
+    return true;  // A conversion function exists, and no rule in the specification has precluded
+                  // conversion between these formats.
+}
+
+bool ValidateES3CopyTexImageParametersBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureTarget target,
+                                           GLint level,
+                                           GLenum internalformat,
+                                           bool isSubImage,
+                                           GLint xoffset,
+                                           GLint yoffset,
+                                           GLint zoffset,
+                                           GLint x,
+                                           GLint y,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLint border)
+{
+    Format textureFormat = Format::Invalid();
+    if (!ValidateCopyTexImageParametersBase(context, entryPoint, target, level, internalformat,
+                                            isSubImage, xoffset, yoffset, zoffset, x, y, width,
+                                            height, border, &textureFormat))
+    {
+        return false;
+    }
+    ASSERT(textureFormat.valid() || !isSubImage);
+
+    const auto &state               = context->getState();
+    Framebuffer *framebuffer        = state.getReadFramebuffer();
+    FramebufferID readFramebufferID = framebuffer->id();
+
+    if (!ValidateFramebufferComplete(context, entryPoint, framebuffer))
+    {
+        return false;
+    }
+
+    // needIntrinsic = true. Treat renderToTexture textures as single sample since they will be
+    // resolved before copying
+    if (!framebuffer->isDefault() &&
+        !ValidateFramebufferNotMultisampled(context, entryPoint, framebuffer, true))
+    {
+        return false;
+    }
+
+    const FramebufferAttachment *source = framebuffer->getReadColorAttachment();
+
+    // According to ES 3.x spec, if the internalformat of the texture
+    // is RGB9_E5 and copy to such a texture, generate INVALID_OPERATION.
+    if (textureFormat.info->internalFormat == GL_RGB9_E5)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat);
+        return false;
+    }
+
+    if (isSubImage)
+    {
+        if (!IsValidES3CopyTexImageCombination(*textureFormat.info, *source->getFormat().info,
+                                               readFramebufferID))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidCopyCombination);
+            return false;
+        }
+    }
+    else
+    {
+        // Use format/type from the source FBO. (Might not be perfect for all cases?)
+        const InternalFormat &framebufferFormat = *source->getFormat().info;
+        const InternalFormat &copyFormat = GetInternalFormatInfo(internalformat, GL_UNSIGNED_BYTE);
+        if (!IsValidES3CopyTexImageCombination(copyFormat, framebufferFormat, readFramebufferID))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidCopyCombination);
+            return false;
+        }
+    }
+
+    // If width or height is zero, it is a no-op.  Return false without setting an error.
+    return (width > 0 && height > 0);
+}
+
+bool ValidateES3CopyTexImage2DParameters(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureTarget target,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         bool isSubImage,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLint zoffset,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLint border)
+{
+    if (!ValidTexture2DDestinationTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return ValidateES3CopyTexImageParametersBase(context, entryPoint, target, level, internalformat,
+                                                 isSubImage, xoffset, yoffset, zoffset, x, y, width,
+                                                 height, border);
+}
+
+bool ValidateES3CopyTexImage3DParameters(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureTarget target,
+                                         GLint level,
+                                         GLenum internalformat,
+                                         bool isSubImage,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLint zoffset,
+                                         GLint x,
+                                         GLint y,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLint border)
+{
+    if (!ValidTexture3DDestinationTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return ValidateES3CopyTexImageParametersBase(context, entryPoint, target, level, internalformat,
+                                                 isSubImage, xoffset, yoffset, zoffset, x, y, width,
+                                                 height, border);
+}
+
+bool ValidateES3TexStorageParametersLevel(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType target,
+                                          GLsizei levels,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei depth)
+{
+    GLsizei maxDim = std::max(width, height);
+    if (target != TextureType::_2DArray)
+    {
+        maxDim = std::max(maxDim, depth);
+    }
+
+    if (levels > log2(maxDim) + 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidMipLevels);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateES3TexStorageParametersExtent(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType target,
+                                           GLsizei levels,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth)
+{
+    const Caps &caps = context->getCaps();
+
+    switch (target)
+    {
+        case TextureType::_2D:
+        {
+            if (width > caps.max2DTextureSize || height > caps.max2DTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+        }
+        break;
+
+        case TextureType::Rectangle:
+        {
+            if (levels != 1)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevels);
+                return false;
+            }
+
+            if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+        }
+        break;
+
+        case TextureType::CubeMap:
+        {
+            if (width != height)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kCubemapFacesEqualDimensions);
+                return false;
+            }
+
+            if (width > caps.maxCubeMapTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+        }
+        break;
+
+        case TextureType::_3D:
+        {
+            if (width > caps.max3DTextureSize || height > caps.max3DTextureSize ||
+                depth > caps.max3DTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+        }
+        break;
+
+        case TextureType::_2DArray:
+        {
+            if (width > caps.max2DTextureSize || height > caps.max2DTextureSize ||
+                depth > caps.maxArrayTextureLayers)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+        }
+        break;
+
+        case TextureType::CubeMapArray:
+        {
+            if (width != height)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kCubemapFacesEqualDimensions);
+                return false;
+            }
+
+            if (width > caps.maxCubeMapTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+
+            if (width > caps.max3DTextureSize || height > caps.max3DTextureSize ||
+                depth > caps.max3DTextureSize)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+                return false;
+            }
+
+            if (depth % 6 != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kCubemapInvalidDepth);
+                return false;
+            }
+        }
+        break;
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateES3TexStorageParametersTexObject(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              TextureType target)
+{
+    Texture *texture = context->getTextureByType(target);
+    if (!texture || texture->id().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingTexture);
+        return false;
+    }
+
+    if (texture->getImmutableFormat())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsImmutable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateES3TexStorageParametersFormat(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType target,
+                                           GLsizei levels,
+                                           GLenum internalformat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth)
+{
+    // From ANGLE_texture_external_yuv_sampling:
+    // Texture target can only be TEXTURE_2D, there is no mipmap support
+    if (gl::IsYuvFormat(internalformat))
+    {
+        if (!context->getExtensions().yuvInternalFormatANGLE)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+            return false;
+        }
+
+        if (target != TextureType::_2D)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+            return false;
+        }
+
+        if (levels != 1)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+            return false;
+        }
+    }
+
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat);
+    if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+        return false;
+    }
+
+    if (!formatInfo.sized)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+        return false;
+    }
+
+    if (formatInfo.compressed)
+    {
+        if (target == TextureType::Rectangle)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kRectangleTextureCompressed);
+            return false;
+        }
+
+        if (target == TextureType::_2DArray)
+        {
+            if (!ValidateES3CompressedFormatForTexture2DArray(context, entryPoint,
+                                                              formatInfo.internalFormat))
+            {
+                // Error already generated.
+                return false;
+            }
+        }
+
+        if (target == TextureType::_3D)
+        {
+            if (!ValidateES3CompressedFormatForTexture3D(context, entryPoint,
+                                                         formatInfo.internalFormat))
+            {
+                // Error already generated.
+                return false;
+            }
+        }
+
+        if (!ValidCompressedImageSize(context, formatInfo.internalFormat, 0, width, height, depth))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidCompressedImageSize);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateES3TexStorageParametersBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType target,
+                                         GLsizei levels,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth)
+{
+    if (width < 1 || height < 1 || depth < 1 || levels < 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureSizeTooSmall);
+        return false;
+    }
+
+    if (!ValidateES3TexStorageParametersLevel(context, entryPoint, target, levels, width, height,
+                                              depth))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    if (!ValidateES3TexStorageParametersExtent(context, entryPoint, target, levels, width, height,
+                                               depth))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    if (!ValidateES3TexStorageParametersTexObject(context, entryPoint, target))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    if (!ValidateES3TexStorageParametersFormat(context, entryPoint, target, levels, internalformat,
+                                               width, height, depth))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateES3TexStorage2DParameters(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType target,
+                                       GLsizei levels,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth)
+{
+    if (!ValidTexture2DTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return ValidateES3TexStorageParametersBase(context, entryPoint, target, levels, internalformat,
+                                               width, height, depth);
+}
+
+bool ValidateES3TexStorage3DParameters(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType target,
+                                       GLsizei levels,
+                                       GLenum internalformat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth)
+{
+    if (!ValidTexture3DTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    return ValidateES3TexStorageParametersBase(context, entryPoint, target, levels, internalformat,
+                                               width, height, depth);
+}
+
+bool ValidateBeginQuery(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        QueryType target,
+                        QueryID id)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateBeginQueryBase(context, entryPoint, target, id);
+}
+
+bool ValidateEndQuery(const Context *context, angle::EntryPoint entryPoint, QueryType target)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateEndQueryBase(context, entryPoint, target);
+}
+
+bool ValidateGetQueryiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        QueryType target,
+                        GLenum pname,
+                        const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateGetQueryivBase(context, entryPoint, target, pname, nullptr);
+}
+
+bool ValidateGetQueryObjectuiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               QueryID id,
+                               GLenum pname,
+                               const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, nullptr);
+}
+
+bool ValidateFramebufferTextureLayer(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     TextureID texture,
+                                     GLint level,
+                                     GLint layer)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level))
+    {
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (texture.value != 0)
+    {
+        if (layer < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLayer);
+            return false;
+        }
+
+        Texture *tex = context->getTexture(texture);
+        ASSERT(tex);
+
+        switch (tex->getType())
+        {
+            case TextureType::_2DArray:
+            {
+                if (level > log2(caps.max2DTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidMipLevel);
+                    return false;
+                }
+
+                if (layer >= caps.maxArrayTextureLayers)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidLayer);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureType::_3D:
+            {
+                if (level > log2(caps.max3DTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidMipLevel);
+                    return false;
+                }
+
+                if (layer >= caps.max3DTextureSize)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidLayer);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureType::_2DMultisampleArray:
+            {
+                if (level != 0)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidMipLevel);
+                    return false;
+                }
+
+                if (layer >= caps.maxArrayTextureLayers)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidLayer);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureType::CubeMap:
+            {
+                if (level > log2(caps.maxCubeMapTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidMipLevel);
+                    return false;
+                }
+
+                if (layer >= static_cast<GLint>(kCubeFaceCount))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidLayer);
+                    return false;
+                }
+            }
+            break;
+
+            case TextureType::CubeMapArray:
+            {
+                if (level > log2(caps.maxCubeMapTextureSize))
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidMipLevel);
+                    return false;
+                }
+
+                if (layer >= caps.maxArrayTextureLayers)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kFramebufferTextureInvalidLayer);
+                    return false;
+                }
+            }
+            break;
+
+            default:
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kFramebufferTextureLayerIncorrectTextureType);
+                return false;
+        }
+
+        const auto &format = tex->getFormat(TextureTypeToTarget(tex->getType(), layer), level);
+        if (format.info->compressed)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kCompressedTexturesNotAttachable);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateInvalidateFramebuffer(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei numAttachments,
+                                   const GLenum *attachments)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    bool defaultFramebuffer = false;
+
+    switch (target)
+    {
+        case GL_DRAW_FRAMEBUFFER:
+        case GL_FRAMEBUFFER:
+            defaultFramebuffer = context->getState().getDrawFramebuffer()->isDefault();
+            break;
+        case GL_READ_FRAMEBUFFER:
+            defaultFramebuffer = context->getState().getReadFramebuffer()->isDefault();
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget);
+            return false;
+    }
+
+    return ValidateDiscardFramebufferBase(context, entryPoint, target, numAttachments, attachments,
+                                          defaultFramebuffer);
+}
+
+bool ValidateInvalidateSubFramebuffer(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum target,
+                                      GLsizei numAttachments,
+                                      const GLenum *attachments,
+                                      GLint x,
+                                      GLint y,
+                                      GLsizei width,
+                                      GLsizei height)
+{
+    if (width < 0 || height < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    return ValidateInvalidateFramebuffer(context, entryPoint, target, numAttachments, attachments);
+}
+
+bool ValidateClearBuffer(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateFramebufferComplete(context, entryPoint, context->getState().getDrawFramebuffer()))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawRangeElements(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               PrimitiveMode mode,
+                               GLuint start,
+                               GLuint end,
+                               GLsizei count,
+                               DrawElementsType type,
+                               const void *indices)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (end < start)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidElementRange);
+        return false;
+    }
+
+    if (!ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 0))
+    {
+        return false;
+    }
+
+    // Skip range checks for no-op calls.
+    if (count <= 0)
+    {
+        return true;
+    }
+
+    return true;
+}
+
+bool ValidateGetUniformuiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID program,
+                           UniformLocation location,
+                           const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateGetUniformBase(context, entryPoint, program, location);
+}
+
+bool ValidateReadBuffer(const Context *context, angle::EntryPoint entryPoint, GLenum src)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    const Framebuffer *readFBO = context->getState().getReadFramebuffer();
+
+    if (readFBO == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kNoReadFramebuffer);
+        return false;
+    }
+
+    if (src == GL_NONE)
+    {
+        return true;
+    }
+
+    if (src != GL_BACK && (src < GL_COLOR_ATTACHMENT0 || src > GL_COLOR_ATTACHMENT31))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidReadBuffer);
+        return false;
+    }
+
+    if (readFBO->isDefault())
+    {
+        if (src != GL_BACK)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidDefaultReadBuffer);
+            return false;
+        }
+    }
+    else
+    {
+        GLuint drawBuffer = static_cast<GLuint>(src - GL_COLOR_ATTACHMENT0);
+
+        if (drawBuffer >= static_cast<GLuint>(context->getCaps().maxColorAttachments))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kExceedsMaxColorAttachments);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateCompressedTexImage3D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureTarget target,
+                                  GLint level,
+                                  GLenum internalformat,
+                                  GLsizei width,
+                                  GLsizei height,
+                                  GLsizei depth,
+                                  GLint border,
+                                  GLsizei imageSize,
+                                  const void *data)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidTextureTarget(context, TextureTargetToType(target)))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    // Validate image size
+    if (!ValidImageSizeParameters(context, entryPoint, TextureTargetToType(target), level, width,
+                                  height, depth, false))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat);
+    if (!formatInfo.compressed)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidCompressedFormat);
+        return false;
+    }
+
+    GLuint blockSize = 0;
+    if (!formatInfo.computeCompressedImageSize(Extents(width, height, depth), &blockSize))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIntegerOverflow);
+        return false;
+    }
+
+    if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCompressedImageSize);
+        return false;
+    }
+
+    // 3D texture target validation
+    if (target != TextureTarget::_3D && target != TextureTarget::_2DArray)
+    {
+        if (context->getClientVersion() < ES_3_2 || target != TextureTarget::CubeMapArray)
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+            return false;
+        }
+    }
+
+    // validateES3TexImageFormat sets the error code if there is an error
+    if (!ValidateES3TexImage3DParameters(context, entryPoint, target, level, internalformat, true,
+                                         false, 0, 0, 0, width, height, depth, border, GL_NONE,
+                                         GL_NONE, -1, data))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCompressedTexImage3DRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             TextureTarget target,
+                                             GLint level,
+                                             GLenum internalformat,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLsizei depth,
+                                             GLint border,
+                                             GLsizei imageSize,
+                                             GLsizei dataSize,
+                                             const void *data)
+{
+    if (!ValidateRobustCompressedTexImageBase(context, entryPoint, imageSize, dataSize))
+    {
+        return false;
+    }
+
+    return ValidateCompressedTexImage3D(context, entryPoint, target, level, internalformat, width,
+                                        height, depth, border, imageSize, data);
+}
+
+bool ValidateBindVertexArray(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             VertexArrayID array)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateBindVertexArrayBase(context, entryPoint, array);
+}
+
+bool ValidateIsVertexArray(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           VertexArrayID array)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return true;
+}
+
+static bool ValidateBindBufferCommon(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     BufferBinding target,
+                                     GLuint index,
+                                     BufferID buffer,
+                                     GLintptr offset,
+                                     GLsizeiptr size)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (buffer.value != 0 && offset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (!context->getState().isBindGeneratesResourceEnabled() &&
+        !context->isBufferGenerated(buffer))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    switch (target)
+    {
+        case BufferBinding::TransformFeedback:
+        {
+            if (index >= static_cast<GLuint>(caps.maxTransformFeedbackSeparateAttributes))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsTransformFeedbackBufferBindings);
+                return false;
+            }
+            if (buffer.value != 0 && ((offset % 4) != 0 || (size % 4) != 0))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetAndSizeAlignment);
+                return false;
+            }
+
+            if (context->getState().isTransformFeedbackActive())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kTransformFeedbackTargetActive);
+                return false;
+            }
+            break;
+        }
+        case BufferBinding::Uniform:
+        {
+            if (index >= static_cast<GLuint>(caps.maxUniformBufferBindings))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsMaxUniformBufferBindings);
+                return false;
+            }
+
+            ASSERT(caps.uniformBufferOffsetAlignment);
+            if (buffer.value != 0 && (offset % caps.uniformBufferOffsetAlignment) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kUniformBufferOffsetAlignment);
+                return false;
+            }
+            break;
+        }
+        case BufferBinding::AtomicCounter:
+        {
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxAtomicCounterBufferBindings))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsMaxAtomicCounterBufferBindings);
+                return false;
+            }
+            if (buffer.value != 0 && (offset % 4) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetAlignment);
+                return false;
+            }
+            break;
+        }
+        case BufferBinding::ShaderStorage:
+        {
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxShaderStorageBufferBindings))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kExceedsMaxShaderStorageBufferBindings);
+                return false;
+            }
+            ASSERT(caps.shaderStorageBufferOffsetAlignment);
+            if (buffer.value != 0 && (offset % caps.shaderStorageBufferOffsetAlignment) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kShaderStorageBufferOffsetAlignment);
+                return false;
+            }
+            break;
+        }
+        case BufferBinding::Texture:
+        {
+            if (!context->getExtensions().textureBufferAny())
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kTextureBufferExtensionNotAvailable);
+                return false;
+            }
+            if (index != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsMaxUniformBufferBindings);
+                return false;
+            }
+            if (buffer.value != 0 && (offset % caps.textureBufferOffsetAlignment) != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kTextureBufferOffsetAlignment);
+                return false;
+            }
+            break;
+        }
+        case BufferBinding::InvalidEnum:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kEnumInvalid);
+            return false;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                      ToGLenum(target));
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindBufferBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferBinding target,
+                            GLuint index,
+                            BufferID buffer)
+{
+    return ValidateBindBufferCommon(context, entryPoint, target, index, buffer, 0, 0);
+}
+
+bool ValidateBindBufferRange(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             BufferBinding target,
+                             GLuint index,
+                             BufferID buffer,
+                             GLintptr offset,
+                             GLsizeiptr size)
+{
+    if (buffer.value != 0 && size <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBindBufferSize);
+        return false;
+    }
+    return ValidateBindBufferCommon(context, entryPoint, target, index, buffer, offset, size);
+}
+
+bool ValidateProgramBinary(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID program,
+                           GLenum binaryFormat,
+                           const void *binary,
+                           GLsizei length)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateProgramBinaryBase(context, entryPoint, program, binaryFormat, binary, length);
+}
+
+bool ValidateGetProgramBinary(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              GLsizei bufSize,
+                              const GLsizei *length,
+                              const GLenum *binaryFormat,
+                              const void *binary)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateGetProgramBinaryBase(context, entryPoint, program, bufSize, length, binaryFormat,
+                                        binary);
+}
+
+bool ValidateProgramParameteriBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   GLenum pname,
+                                   GLint value)
+{
+    if (GetValidProgram(context, entryPoint, program) == nullptr)
+    {
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
+            if (value != GL_FALSE && value != GL_TRUE)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBooleanValue);
+                return false;
+            }
+            break;
+
+        case GL_PROGRAM_SEPARABLE:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kES31Required);
+                return false;
+            }
+
+            if (value != GL_FALSE && value != GL_TRUE)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBooleanValue);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramParameteri(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               GLenum pname,
+                               GLint value)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateProgramParameteriBase(context, entryPoint, program, pname, value);
+}
+
+bool ValidateBlitFramebuffer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLint srcX0,
+                             GLint srcY0,
+                             GLint srcX1,
+                             GLint srcY1,
+                             GLint dstX0,
+                             GLint dstY0,
+                             GLint dstX1,
+                             GLint dstY1,
+                             GLbitfield mask,
+                             GLenum filter)
+{
+    if (context->getClientMajorVersion() < 3 && !context->getExtensions().framebufferBlitNV)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateBlitFramebufferParameters(context, entryPoint, srcX0, srcY0, srcX1, srcY1, dstX0,
+                                             dstY0, dstX1, dstY1, mask, filter);
+}
+
+bool ValidateClearBufferiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum buffer,
+                           GLint drawbuffer,
+                           const GLint *value)
+{
+    switch (buffer)
+    {
+        case GL_COLOR:
+            if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+                return false;
+            }
+            if (context->getExtensions().webglCompatibilityANGLE)
+            {
+                constexpr GLenum validComponentTypes[] = {GL_INT};
+                if (!ValidateWebGLFramebufferAttachmentClearType(context, entryPoint, drawbuffer,
+                                                                 validComponentTypes,
+                                                                 ArraySize(validComponentTypes)))
+                {
+                    return false;
+                }
+            }
+            break;
+
+        case GL_STENCIL:
+            if (drawbuffer != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kInvalidDepthStencilDrawBuffer);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer);
+            return false;
+    }
+
+    return ValidateClearBuffer(context, entryPoint);
+}
+
+bool ValidateClearBufferuiv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum buffer,
+                            GLint drawbuffer,
+                            const GLuint *value)
+{
+    switch (buffer)
+    {
+        case GL_COLOR:
+            if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+                return false;
+            }
+            if (context->getExtensions().webglCompatibilityANGLE)
+            {
+                constexpr GLenum validComponentTypes[] = {GL_UNSIGNED_INT};
+                if (!ValidateWebGLFramebufferAttachmentClearType(context, entryPoint, drawbuffer,
+                                                                 validComponentTypes,
+                                                                 ArraySize(validComponentTypes)))
+                {
+                    return false;
+                }
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer);
+            return false;
+    }
+
+    return ValidateClearBuffer(context, entryPoint);
+}
+
+bool ValidateClearBufferfv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum buffer,
+                           GLint drawbuffer,
+                           const GLfloat *value)
+{
+    switch (buffer)
+    {
+        case GL_COLOR:
+            if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+                return false;
+            }
+            if (context->getExtensions().webglCompatibilityANGLE)
+            {
+                constexpr GLenum validComponentTypes[] = {GL_FLOAT, GL_UNSIGNED_NORMALIZED,
+                                                          GL_SIGNED_NORMALIZED};
+                if (!ValidateWebGLFramebufferAttachmentClearType(context, entryPoint, drawbuffer,
+                                                                 validComponentTypes,
+                                                                 ArraySize(validComponentTypes)))
+                {
+                    return false;
+                }
+            }
+            break;
+
+        case GL_DEPTH:
+            if (drawbuffer != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kInvalidDepthStencilDrawBuffer);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer);
+            return false;
+    }
+
+    return ValidateClearBuffer(context, entryPoint);
+}
+
+bool ValidateClearBufferfi(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum buffer,
+                           GLint drawbuffer,
+                           GLfloat depth,
+                           GLint stencil)
+{
+    switch (buffer)
+    {
+        case GL_DEPTH_STENCIL:
+            if (drawbuffer != 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kInvalidDepthStencilDrawBuffer);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer);
+            return false;
+    }
+
+    return ValidateClearBuffer(context, entryPoint);
+}
+
+bool ValidateDrawBuffers(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLsizei n,
+                         const GLenum *bufs)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateDrawBuffersBase(context, entryPoint, n, bufs);
+}
+
+bool ValidateCopyTexSubImage3D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureTarget target,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint zoffset,
+                               GLint x,
+                               GLint y,
+                               GLsizei width,
+                               GLsizei height)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateES3CopyTexImage3DParameters(context, entryPoint, target, level, GL_NONE, true,
+                                               xoffset, yoffset, zoffset, x, y, width, height, 0);
+}
+
+bool ValidateCopyTexture3DANGLE(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID sourceId,
+                                GLint sourceLevel,
+                                TextureTarget destTarget,
+                                TextureID destId,
+                                GLint destLevel,
+                                GLint internalFormat,
+                                GLenum destType,
+                                GLboolean unpackFlipY,
+                                GLboolean unpackPremultiplyAlpha,
+                                GLboolean unpackUnmultiplyAlpha)
+{
+    const Texture *source = context->getTexture(sourceId);
+    if (source == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTexture);
+        return false;
+    }
+
+    TextureType sourceType = source->getType();
+    ASSERT(sourceType != TextureType::CubeMap);
+    TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType);
+    const Format &sourceFormat = source->getFormat(sourceTarget, sourceLevel);
+
+    const Texture *dest = context->getTexture(destId);
+    if (dest == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTexture);
+        return false;
+    }
+
+    if (!ValidateCopyTexture3DCommon(context, entryPoint, source, sourceLevel,
+                                     sourceFormat.info->internalFormat, dest, destLevel,
+                                     internalFormat, destTarget))
+    {
+        return false;
+    }
+
+    if (!ValidMipLevel(context, source->getType(), sourceLevel))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTextureLevel);
+        return false;
+    }
+
+    GLsizei sourceWidth  = static_cast<GLsizei>(source->getWidth(sourceTarget, sourceLevel));
+    GLsizei sourceHeight = static_cast<GLsizei>(source->getHeight(sourceTarget, sourceLevel));
+    if (sourceWidth == 0 || sourceHeight == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidSourceTextureSize);
+        return false;
+    }
+
+    if (dest->getImmutableFormat())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDestinationImmutable);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopySubTexture3DANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID sourceId,
+                                   GLint sourceLevel,
+                                   TextureTarget destTarget,
+                                   TextureID destId,
+                                   GLint destLevel,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint zoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLint z,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth,
+                                   GLboolean unpackFlipY,
+                                   GLboolean unpackPremultiplyAlpha,
+                                   GLboolean unpackUnmultiplyAlpha)
+{
+    const Texture *source = context->getTexture(sourceId);
+    if (source == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTexture);
+        return false;
+    }
+
+    TextureType sourceType = source->getType();
+    ASSERT(sourceType != TextureType::CubeMap);
+    TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType);
+    const Format &sourceFormat = source->getFormat(sourceTarget, sourceLevel);
+
+    const Texture *dest = context->getTexture(destId);
+    if (dest == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTexture);
+        return false;
+    }
+
+    const InternalFormat &destFormat = *dest->getFormat(destTarget, destLevel).info;
+
+    if (!ValidateCopyTexture3DCommon(context, entryPoint, source, sourceLevel,
+                                     sourceFormat.info->internalFormat, dest, destLevel,
+                                     destFormat.internalFormat, destTarget))
+    {
+        return false;
+    }
+
+    if (x < 0 || y < 0 || z < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeXYZ);
+        return false;
+    }
+
+    if (width < 0 || height < 0 || depth < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeHeightWidthDepth);
+        return false;
+    }
+
+    if (static_cast<size_t>(x + width) > source->getWidth(sourceTarget, sourceLevel) ||
+        static_cast<size_t>(y + height) > source->getHeight(sourceTarget, sourceLevel) ||
+        static_cast<size_t>(z + depth) > source->getDepth(sourceTarget, sourceLevel))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSourceTextureTooSmall);
+        return false;
+    }
+
+    if (TextureTargetToType(destTarget) != dest->getType())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTextureType);
+        return false;
+    }
+
+    if (xoffset < 0 || yoffset < 0 || zoffset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (static_cast<size_t>(xoffset + width) > dest->getWidth(destTarget, destLevel) ||
+        static_cast<size_t>(yoffset + height) > dest->getHeight(destTarget, destLevel) ||
+        static_cast<size_t>(zoffset + depth) > dest->getDepth(destTarget, destLevel))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kDestinationTextureTooSmall);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexImage3D(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        TextureTarget target,
+                        GLint level,
+                        GLint internalformat,
+                        GLsizei width,
+                        GLsizei height,
+                        GLsizei depth,
+                        GLint border,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateES3TexImage3DParameters(context, entryPoint, target, level, internalformat,
+                                           false, false, 0, 0, 0, width, height, depth, border,
+                                           format, type, -1, pixels);
+}
+
+bool ValidateTexImage3DRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureTarget target,
+                                   GLint level,
+                                   GLint internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth,
+                                   GLint border,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const void *pixels)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    return ValidateES3TexImage3DParameters(context, entryPoint, target, level, internalformat,
+                                           false, false, 0, 0, 0, width, height, depth, border,
+                                           format, type, bufSize, pixels);
+}
+
+bool ValidateTexSubImage3D(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureTarget target,
+                           GLint level,
+                           GLint xoffset,
+                           GLint yoffset,
+                           GLint zoffset,
+                           GLsizei width,
+                           GLsizei height,
+                           GLsizei depth,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateES3TexImage3DParameters(context, entryPoint, target, level, GL_NONE, false, true,
+                                           xoffset, yoffset, zoffset, width, height, depth, 0,
+                                           format, type, -1, pixels);
+}
+
+bool ValidateTexSubImage3DRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      TextureTarget target,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLint yoffset,
+                                      GLint zoffset,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLsizei depth,
+                                      GLenum format,
+                                      GLenum type,
+                                      GLsizei bufSize,
+                                      const void *pixels)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    return ValidateES3TexImage3DParameters(context, entryPoint, target, level, GL_NONE, false, true,
+                                           xoffset, yoffset, zoffset, width, height, depth, 0,
+                                           format, type, bufSize, pixels);
+}
+
+bool ValidateCompressedTexSubImage3D(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget target,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLint zoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLenum format,
+                                     GLsizei imageSize,
+                                     const void *data)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateES3TexImage3DParameters(context, entryPoint, target, level, GL_NONE, true, true,
+                                         xoffset, yoffset, zoffset, width, height, depth, 0, format,
+                                         GL_NONE, -1, data))
+    {
+        return false;
+    }
+
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(format);
+
+    if (!formatInfo.compressed)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidCompressedFormat);
+        return false;
+    }
+
+    GLuint blockSize = 0;
+    if (!formatInfo.computeCompressedImageSize(Extents(width, height, depth), &blockSize))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow);
+        return false;
+    }
+
+    if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSize)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCompressedImageSize);
+        return false;
+    }
+
+    if (data == nullptr)
+    {
+        if (context->getState().getTargetBuffer(BufferBinding::PixelUnpack) == nullptr)
+        {
+            // If data is null, we need an unpack buffer to read from
+            context->validationError(entryPoint, GL_INVALID_VALUE, kPixelDataNull);
+            return false;
+        }
+
+        if (context->getTextureByTarget(target)->isCompressedFormatEmulated(context, target, level))
+        {
+            // TODO (anglebug.com/7464): Can't populate from a buffer using emulated format
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidEmulatedFormat);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateCompressedTexSubImage3DRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                TextureTarget target,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLint zoffset,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth,
+                                                GLenum format,
+                                                GLsizei imageSize,
+                                                GLsizei dataSize,
+                                                const void *data)
+{
+    if (!ValidateRobustCompressedTexImageBase(context, entryPoint, imageSize, dataSize))
+    {
+        return false;
+    }
+
+    return ValidateCompressedTexSubImage3D(context, entryPoint, target, level, xoffset, yoffset,
+                                           zoffset, width, height, depth, format, imageSize, data);
+}
+
+bool ValidateGenQueries(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLsizei n,
+                        const QueryID *queries)
+{
+    return ValidateGenOrDeleteES3(context, entryPoint, n);
+}
+
+bool ValidateDeleteQueries(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const QueryID *queries)
+{
+    return ValidateGenOrDeleteES3(context, entryPoint, n);
+}
+
+bool ValidateGenSamplers(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLsizei count,
+                         const SamplerID *samplers)
+{
+    return ValidateGenOrDeleteCountES3(context, entryPoint, count);
+}
+
+bool ValidateDeleteSamplers(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei count,
+                            const SamplerID *samplers)
+{
+    return ValidateGenOrDeleteCountES3(context, entryPoint, count);
+}
+
+bool ValidateGenTransformFeedbacks(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const TransformFeedbackID *ids)
+{
+    return ValidateGenOrDeleteES3(context, entryPoint, n);
+}
+
+bool ValidateDeleteTransformFeedbacks(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLsizei n,
+                                      const TransformFeedbackID *ids)
+{
+    if (!ValidateGenOrDeleteES3(context, entryPoint, n))
+    {
+        return false;
+    }
+    for (GLint i = 0; i < n; ++i)
+    {
+        auto *transformFeedback = context->getTransformFeedback(ids[i]);
+        if (transformFeedback != nullptr && transformFeedback->isActive())
+        {
+            // ES 3.0.4 section 2.15.1 page 86
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kTransformFeedbackActiveDelete);
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateGenVertexArrays(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLsizei n,
+                             const VertexArrayID *arrays)
+{
+    return ValidateGenOrDeleteES3(context, entryPoint, n);
+}
+
+bool ValidateDeleteVertexArrays(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const VertexArrayID *arrays)
+{
+    return ValidateGenOrDeleteES3(context, entryPoint, n);
+}
+
+bool ValidateBeginTransformFeedback(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode primitiveMode)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    switch (primitiveMode)
+    {
+        case PrimitiveMode::Triangles:
+        case PrimitiveMode::Lines:
+        case PrimitiveMode::Points:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPrimitiveMode);
+            return false;
+    }
+
+    TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback();
+    ASSERT(transformFeedback != nullptr);
+
+    if (transformFeedback->isActive())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransfomFeedbackAlreadyActive);
+        return false;
+    }
+
+    for (size_t i = 0; i < transformFeedback->getIndexedBufferCount(); i++)
+    {
+        const OffsetBindingPointer<Buffer> &buffer = transformFeedback->getIndexedBuffer(i);
+        if (buffer.get())
+        {
+            if (buffer->isMapped())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped);
+                return false;
+            }
+            if ((context->getLimitations().noDoubleBoundTransformFeedbackBuffers ||
+                 context->getExtensions().webglCompatibilityANGLE) &&
+                buffer->isDoubleBoundForTransformFeedback())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kTransformFeedbackBufferMultipleOutputs);
+                return false;
+            }
+        }
+    }
+
+    const ProgramExecutable *programExecutable =
+        context->getState().getLinkedProgramExecutable(context);
+    if (!programExecutable)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotBound);
+        return false;
+    }
+
+    if (programExecutable->getLinkedTransformFeedbackVaryings().empty())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kNoTransformFeedbackOutputVariables);
+        return false;
+    }
+
+    if (!ValidateProgramExecutableXFBBuffersPresent(context, programExecutable))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackBufferMissing);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetBufferPointerv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               BufferBinding target,
+                               GLenum pname,
+                               void *const *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateGetBufferPointervBase(context, entryPoint, target, pname, nullptr, params);
+}
+
+bool ValidateGetBufferPointervRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          BufferBinding target,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          void *const *params)
+{
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (context->getClientMajorVersion() < 3 && !context->getExtensions().mapbufferOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateGetBufferPointervBase(context, entryPoint, target, pname, &numParams, params))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateUnmapBuffer(const Context *context, angle::EntryPoint entryPoint, BufferBinding target)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateUnmapBufferBase(context, entryPoint, target);
+}
+
+bool ValidateMapBufferRange(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferBinding target,
+                            GLintptr offset,
+                            GLsizeiptr length,
+                            GLbitfield access)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateMapBufferRangeBase(context, entryPoint, target, offset, length, access);
+}
+
+bool ValidateFlushMappedBufferRange(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferBinding target,
+                                    GLintptr offset,
+                                    GLsizeiptr length)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateFlushMappedBufferRangeBase(context, entryPoint, target, offset, length);
+}
+
+bool ValidateIndexedStateQuery(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum pname,
+                               GLuint index,
+                               GLsizei *length)
+{
+    if (length)
+    {
+        *length = 0;
+    }
+
+    GLenum nativeType;
+    unsigned int numParams;
+    if (!context->getIndexedQueryParameterInfo(pname, &nativeType, &numParams))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    switch (pname)
+    {
+        case GL_BLEND_SRC_RGB:
+        case GL_BLEND_SRC_ALPHA:
+        case GL_BLEND_DST_RGB:
+        case GL_BLEND_DST_ALPHA:
+        case GL_BLEND_EQUATION_RGB:
+        case GL_BLEND_EQUATION_ALPHA:
+        case GL_COLOR_WRITEMASK:
+            if (!context->getExtensions().drawBuffersIndexedAny())
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM,
+                                         kDrawBuffersIndexedExtensionNotAvailable);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxDrawBuffers))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+                return false;
+            }
+            break;
+        case GL_TRANSFORM_FEEDBACK_BUFFER_START:
+        case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
+        case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
+            if (index >= static_cast<GLuint>(caps.maxTransformFeedbackSeparateAttributes))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsMaxTransformFeedbackAttribs);
+                return false;
+            }
+            break;
+
+        case GL_UNIFORM_BUFFER_START:
+        case GL_UNIFORM_BUFFER_SIZE:
+        case GL_UNIFORM_BUFFER_BINDING:
+            if (index >= static_cast<GLuint>(caps.maxUniformBufferBindings))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsMaxUniformBufferBindings);
+                return false;
+            }
+            break;
+
+        case GL_MAX_COMPUTE_WORK_GROUP_SIZE:
+        case GL_MAX_COMPUTE_WORK_GROUP_COUNT:
+            if (index >= 3u)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsMaxWorkgroupDimensions);
+                return false;
+            }
+            break;
+
+        case GL_ATOMIC_COUNTER_BUFFER_START:
+        case GL_ATOMIC_COUNTER_BUFFER_SIZE:
+        case GL_ATOMIC_COUNTER_BUFFER_BINDING:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxAtomicCounterBufferBindings))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kIndexExceedsMaxAtomicCounterBufferBindings);
+                return false;
+            }
+            break;
+
+        case GL_SHADER_STORAGE_BUFFER_START:
+        case GL_SHADER_STORAGE_BUFFER_SIZE:
+        case GL_SHADER_STORAGE_BUFFER_BINDING:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxShaderStorageBufferBindings))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kExceedsMaxShaderStorageBufferBindings);
+                return false;
+            }
+            break;
+
+        case GL_VERTEX_BINDING_BUFFER:
+        case GL_VERTEX_BINDING_DIVISOR:
+        case GL_VERTEX_BINDING_OFFSET:
+        case GL_VERTEX_BINDING_STRIDE:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kExceedsMaxVertexAttribBindings);
+                return false;
+            }
+            break;
+        case GL_SAMPLE_MASK_VALUE:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxSampleMaskWords))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSampleMaskNumber);
+                return false;
+            }
+            break;
+        case GL_IMAGE_BINDING_NAME:
+        case GL_IMAGE_BINDING_LEVEL:
+        case GL_IMAGE_BINDING_LAYERED:
+        case GL_IMAGE_BINDING_LAYER:
+        case GL_IMAGE_BINDING_ACCESS:
+        case GL_IMAGE_BINDING_FORMAT:
+            if (context->getClientVersion() < ES_3_1)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31);
+                return false;
+            }
+            if (index >= static_cast<GLuint>(caps.maxImageUnits))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxImageUnits);
+                return false;
+            }
+            break;
+        // GL_ANGLE_shader_pixel_local_storage
+        case GL_PIXEL_LOCAL_FORMAT_ANGLE:
+        case GL_PIXEL_LOCAL_TEXTURE_NAME_ANGLE:
+        case GL_PIXEL_LOCAL_TEXTURE_LEVEL_ANGLE:
+        case GL_PIXEL_LOCAL_TEXTURE_LAYER_ANGLE:
+        {
+            // Check that the pixel local storage extension is enabled at all.
+            if (!context->getExtensions().shaderPixelLocalStorageANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSExtensionNotEnabled);
+                return false;
+            }
+            // INVALID_FRAMEBUFFER_OPERATION is generated if the default framebuffer object name 0
+            // is bound to DRAW_FRAMEBUFFER.
+            Framebuffer *framebuffer = context->getState().getDrawFramebuffer();
+            if (framebuffer->id().value == 0)
+            {
+                context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION,
+                                         kPLSDefaultFramebufferBound);
+                return false;
+            }
+            // INVALID_VALUE is generated if <index> >= MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE.
+            if (index >= context->getCaps().maxPixelLocalStoragePlanes)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSPlaneOutOfRange);
+                return false;
+            }
+            break;
+        }
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (length)
+    {
+        if (pname == GL_COLOR_WRITEMASK)
+        {
+            *length = 4;
+        }
+        else
+        {
+            *length = 1;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetIntegeri_v(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index,
+                           const GLint *data)
+{
+    if (context->getClientVersion() < ES_3_0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateIndexedStateQuery(context, entryPoint, target, index, nullptr);
+}
+
+bool ValidateGetIntegeri_vRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum target,
+                                      GLuint index,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLint *data)
+{
+    if (context->getClientVersion() < ES_3_0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateIndexedStateQuery(context, entryPoint, target, index, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateGetInteger64i_v(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLuint index,
+                             const GLint64 *data)
+{
+    if (context->getClientVersion() < ES_3_0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateIndexedStateQuery(context, entryPoint, target, index, nullptr);
+}
+
+bool ValidateGetInteger64i_vRobustANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum target,
+                                        GLuint index,
+                                        GLsizei bufSize,
+                                        const GLsizei *length,
+                                        const GLint64 *data)
+{
+    if (context->getClientVersion() < ES_3_0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateIndexedStateQuery(context, entryPoint, target, index, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+
+    return true;
+}
+
+bool ValidateCopyBufferSubData(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               BufferBinding readTarget,
+                               BufferBinding writeTarget,
+                               GLintptr readOffset,
+                               GLintptr writeOffset,
+                               GLsizeiptr size)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!context->isValidBufferBinding(readTarget) || !context->isValidBufferBinding(writeTarget))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    Buffer *readBuffer  = context->getState().getTargetBuffer(readTarget);
+    Buffer *writeBuffer = context->getState().getTargetBuffer(writeTarget);
+
+    if (!readBuffer || !writeBuffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound);
+        return false;
+    }
+
+    // EXT_buffer_storage allows persistently mapped buffers to be updated via glCopyBufferSubData
+    bool isReadPersistent  = (readBuffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) != 0;
+    bool isWritePersistent = (writeBuffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) != 0;
+
+    // Verify that readBuffer and writeBuffer are not currently mapped unless persistent
+    if ((readBuffer->isMapped() && !isReadPersistent) ||
+        (writeBuffer->isMapped() && !isWritePersistent))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped);
+        return false;
+    }
+
+    if (readBuffer->hasWebGLXFBBindingConflict(context->isWebGL()) ||
+        writeBuffer->hasWebGLXFBBindingConflict(context->isWebGL()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kBufferBoundForTransformFeedback);
+        return false;
+    }
+
+    CheckedNumeric<GLintptr> checkedReadOffset(readOffset);
+    CheckedNumeric<GLintptr> checkedWriteOffset(writeOffset);
+    CheckedNumeric<GLintptr> checkedSize(size);
+
+    auto checkedReadSum  = checkedReadOffset + checkedSize;
+    auto checkedWriteSum = checkedWriteOffset + checkedSize;
+
+    if (!checkedReadSum.IsValid() || !checkedWriteSum.IsValid() ||
+        !IsValueInRangeForNumericType<GLintptr>(readBuffer->getSize()) ||
+        !IsValueInRangeForNumericType<GLintptr>(writeBuffer->getSize()))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIntegerOverflow);
+        return false;
+    }
+
+    if (readOffset < 0 || writeOffset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (size < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    if (checkedReadSum.ValueOrDie() > readBuffer->getSize() ||
+        checkedWriteSum.ValueOrDie() > writeBuffer->getSize())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kBufferOffsetOverflow);
+        return false;
+    }
+
+    if (readBuffer == writeBuffer)
+    {
+        auto checkedOffsetDiff = (checkedReadOffset - checkedWriteOffset).Abs();
+        if (!checkedOffsetDiff.IsValid())
+        {
+            // This shold not be possible.
+            UNREACHABLE();
+            context->validationError(entryPoint, GL_INVALID_VALUE, kIntegerOverflow);
+            return false;
+        }
+
+        if (checkedOffsetDiff.ValueOrDie() < size)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kCopyAlias);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetStringi(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum name,
+                        GLuint index)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    switch (name)
+    {
+        case GL_EXTENSIONS:
+            if (index >= context->getExtensionStringCount())
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsNumExtensions);
+                return false;
+            }
+            break;
+
+        case GL_REQUESTABLE_EXTENSIONS_ANGLE:
+            if (!context->getExtensions().requestExtensionANGLE)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidName);
+                return false;
+            }
+            if (index >= context->getRequestableExtensionStringCount())
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kExceedsNumRequestableExtensions);
+                return false;
+            }
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidName);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateRenderbufferStorageMultisample(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLsizei samples,
+                                            GLenum internalformat,
+                                            GLsizei width,
+                                            GLsizei height)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateRenderbufferStorageParametersBase(context, entryPoint, target, samples,
+                                                   internalformat, width, height))
+    {
+        return false;
+    }
+
+    // The ES3 spec(section 4.4.2) states that the internal format must be sized and not an integer
+    // format if samples is greater than zero. In ES3.1(section 9.2.5), it can support integer
+    // multisample renderbuffer, but the samples should not be greater than MAX_INTEGER_SAMPLES.
+    const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat);
+    if (formatInfo.isInt())
+    {
+        if ((samples > 0 && context->getClientVersion() == ES_3_0) ||
+            samples > context->getCaps().maxIntegerSamples)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kSamplesOutOfRange);
+            return false;
+        }
+    }
+
+    // The behavior is different than the ANGLE version, which would generate a GL_OUT_OF_MEMORY.
+    const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat);
+    if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kSamplesOutOfRange);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateVertexAttribIPointer(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint index,
+                                  GLint size,
+                                  VertexAttribType type,
+                                  GLsizei stride,
+                                  const void *pointer)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateIntegerVertexFormat(context, entryPoint, index, size, type))
+    {
+        return false;
+    }
+
+    if (stride < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeStride);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (context->getClientVersion() >= ES_3_1)
+    {
+        if (stride > caps.maxVertexAttribStride)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribStride);
+            return false;
+        }
+
+        // [OpenGL ES 3.1] Section 10.3.1 page 245:
+        // glVertexAttribBinding is part of the equivalent code of VertexAttribIPointer, so its
+        // validation should be inherited.
+        if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings);
+            return false;
+        }
+    }
+
+    // [OpenGL ES 3.0.2] Section 2.8 page 24:
+    // An INVALID_OPERATION error is generated when a non-zero vertex array object
+    // is bound, zero is bound to the ARRAY_BUFFER buffer object binding point,
+    // and the pointer argument is not NULL.
+    if (context->getState().getVertexArrayId().value != 0 &&
+        context->getState().getTargetBuffer(BufferBinding::Array) == 0 && pointer != nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kClientDataInVertexArray);
+        return false;
+    }
+
+    if (context->getExtensions().webglCompatibilityANGLE)
+    {
+        if (!ValidateWebGLVertexAttribPointer(context, entryPoint, type, false, stride, pointer,
+                                              true))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetSynciv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLsync sync,
+                       GLenum pname,
+                       GLsizei bufSize,
+                       const GLsizei *length,
+                       const GLint *values)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    if (context->isContextLost())
+    {
+        context->validationError(entryPoint, GL_CONTEXT_LOST, kContextLost);
+
+        if (pname == GL_SYNC_STATUS)
+        {
+            // Generate an error but still return true, the context still needs to return a
+            // value in this case.
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    Sync *syncObject = context->getSync(sync);
+    if (!syncObject)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_OBJECT_TYPE:
+        case GL_SYNC_CONDITION:
+        case GL_SYNC_FLAGS:
+        case GL_SYNC_STATUS:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawElementsInstanced(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   PrimitiveMode mode,
+                                   GLsizei count,
+                                   DrawElementsType type,
+                                   const void *indices,
+                                   GLsizei instanceCount)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                             instanceCount);
+}
+
+bool ValidateMultiDrawArraysInstancedANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           PrimitiveMode mode,
+                                           const GLint *firsts,
+                                           const GLsizei *counts,
+                                           const GLsizei *instanceCounts,
+                                           GLsizei drawcount)
+{
+    if (!context->getExtensions().multiDrawANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (context->getClientMajorVersion() < 3)
+    {
+        if (!context->getExtensions().instancedArraysAny())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+            return false;
+        }
+        if (!ValidateDrawInstancedANGLE(context, entryPoint))
+        {
+            return false;
+        }
+    }
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)
+    {
+        if (!ValidateDrawArraysInstancedBase(context, entryPoint, mode, firsts[drawID],
+                                             counts[drawID], instanceCounts[drawID]))
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateMultiDrawElementsInstancedANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             PrimitiveMode mode,
+                                             const GLsizei *counts,
+                                             DrawElementsType type,
+                                             const GLvoid *const *indices,
+                                             const GLsizei *instanceCounts,
+                                             GLsizei drawcount)
+{
+    if (!context->getExtensions().multiDrawANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (context->getClientMajorVersion() < 3)
+    {
+        if (!context->getExtensions().instancedArraysAny())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+            return false;
+        }
+        if (!ValidateDrawInstancedANGLE(context, entryPoint))
+        {
+            return false;
+        }
+    }
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)
+    {
+        if (!ValidateDrawElementsInstancedBase(context, entryPoint, mode, counts[drawID], type,
+                                               indices[drawID], instanceCounts[drawID]))
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateDrawArraysInstancedBaseInstanceANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  PrimitiveMode mode,
+                                                  GLint first,
+                                                  GLsizei count,
+                                                  GLsizei instanceCount,
+                                                  GLuint baseInstance)
+{
+    if (!context->getExtensions().baseVertexBaseInstanceANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawArraysInstancedBase(context, entryPoint, mode, first, count, instanceCount);
+}
+
+bool ValidateDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context,
+                                                              angle::EntryPoint entryPoint,
+                                                              PrimitiveMode mode,
+                                                              GLsizei count,
+                                                              DrawElementsType type,
+                                                              const GLvoid *indices,
+                                                              GLsizei instanceCount,
+                                                              GLint baseVertex,
+                                                              GLuint baseInstance)
+{
+    if (!context->getExtensions().baseVertexBaseInstanceANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                             instanceCount);
+}
+
+bool ValidateMultiDrawArraysInstancedBaseInstanceANGLE(const Context *context,
+                                                       angle::EntryPoint entryPoint,
+                                                       PrimitiveMode modePacked,
+                                                       const GLint *firsts,
+                                                       const GLsizei *counts,
+                                                       const GLsizei *instanceCounts,
+                                                       const GLuint *baseInstances,
+                                                       GLsizei drawcount)
+{
+    if (!context->getExtensions().multiDrawANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (drawcount < 0)
+    {
+        return false;
+    }
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)
+    {
+        if (!ValidateDrawArraysInstancedBase(context, entryPoint, modePacked, firsts[drawID],
+                                             counts[drawID], instanceCounts[drawID]))
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context,
+                                                                   angle::EntryPoint entryPoint,
+                                                                   PrimitiveMode modePacked,
+                                                                   const GLsizei *counts,
+                                                                   DrawElementsType typePacked,
+                                                                   const GLvoid *const *indices,
+                                                                   const GLsizei *instanceCounts,
+                                                                   const GLint *baseVertices,
+                                                                   const GLuint *baseInstances,
+                                                                   GLsizei drawcount)
+{
+    if (!context->getExtensions().multiDrawANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (drawcount < 0)
+    {
+        return false;
+    }
+    for (GLsizei drawID = 0; drawID < drawcount; ++drawID)
+    {
+        if (!ValidateDrawElementsInstancedBase(context, entryPoint, modePacked, counts[drawID],
+                                               typePacked, indices[drawID], instanceCounts[drawID]))
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateFramebufferTextureMultiviewOVR(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLenum attachment,
+                                            TextureID texture,
+                                            GLint level,
+                                            GLint baseViewIndex,
+                                            GLsizei numViews)
+{
+    if (!ValidateFramebufferTextureMultiviewBaseANGLE(context, entryPoint, target, attachment,
+                                                      texture, level, numViews))
+    {
+        return false;
+    }
+
+    if (texture.value != 0)
+    {
+        if (baseViewIndex < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBaseViewIndex);
+            return false;
+        }
+
+        Texture *tex = context->getTexture(texture);
+        ASSERT(tex);
+
+        switch (tex->getType())
+        {
+            case TextureType::_2DArray:
+            case TextureType::_2DMultisampleArray:
+            {
+                if (tex->getType() == TextureType::_2DMultisampleArray)
+                {
+                    if (!context->getExtensions().multiviewMultisampleANGLE)
+                    {
+                        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                                 kInvalidTextureType);
+                        return false;
+                    }
+                }
+
+                const Caps &caps = context->getCaps();
+                if (baseViewIndex + numViews > caps.maxArrayTextureLayers)
+                {
+                    context->validationError(entryPoint, GL_INVALID_VALUE,
+                                             kViewsExceedMaxArrayLayers);
+                    return false;
+                }
+
+                break;
+            }
+            default:
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureType);
+                return false;
+        }
+
+        if (!ValidateFramebufferTextureMultiviewLevelAndFormat(context, entryPoint, tex, level))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateUniform1ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLuint v0)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT, location, 1);
+}
+
+bool ValidateUniform2ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLuint v0,
+                        GLuint v1)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC2, location, 1);
+}
+
+bool ValidateUniform3ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLuint v0,
+                        GLuint v1,
+                        GLuint v2)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC3, location, 1);
+}
+
+bool ValidateUniform4ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLuint v0,
+                        GLuint v1,
+                        GLuint v2,
+                        GLuint v3)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC4, location, 1);
+}
+
+bool ValidateUniform1uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation location,
+                         GLsizei count,
+                         const GLuint *value)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT, location, count);
+}
+
+bool ValidateUniform2uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation location,
+                         GLsizei count,
+                         const GLuint *value)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC2, location, count);
+}
+
+bool ValidateUniform3uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation location,
+                         GLsizei count,
+                         const GLuint *value)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC3, location, count);
+}
+
+bool ValidateUniform4uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation location,
+                         GLsizei count,
+                         const GLuint *value)
+{
+    return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC4, location, count);
+}
+
+bool ValidateIsQuery(const Context *context, angle::EntryPoint entryPoint, QueryID id)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateUniformMatrix2x3fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value)
+{
+    return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT2x3, location, count,
+                                    transpose);
+}
+
+bool ValidateUniformMatrix3x2fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value)
+{
+    return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT3x2, location, count,
+                                    transpose);
+}
+
+bool ValidateUniformMatrix2x4fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value)
+{
+    return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT2x4, location, count,
+                                    transpose);
+}
+
+bool ValidateUniformMatrix4x2fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value)
+{
+    return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT4x2, location, count,
+                                    transpose);
+}
+
+bool ValidateUniformMatrix3x4fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value)
+{
+    return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT3x4, location, count,
+                                    transpose);
+}
+
+bool ValidateUniformMatrix4x3fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value)
+{
+    return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT4x3, location, count,
+                                    transpose);
+}
+
+bool ValidateEndTransformFeedback(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback();
+    ASSERT(transformFeedback != nullptr);
+
+    if (!transformFeedback->isActive())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotActive);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTransformFeedbackVaryings(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       GLsizei count,
+                                       const GLchar *const *varyings,
+                                       GLenum bufferMode)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (count < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    switch (bufferMode)
+    {
+        case GL_INTERLEAVED_ATTRIBS:
+            break;
+        case GL_SEPARATE_ATTRIBS:
+        {
+            const Caps &caps = context->getCaps();
+            if (count > caps.maxTransformFeedbackSeparateAttributes)
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE,
+                                         kInvalidTransformFeedbackAttribsCount);
+                return false;
+            }
+            break;
+        }
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, bufferMode);
+            return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetTransformFeedbackVarying(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         GLuint index,
+                                         GLsizei bufSize,
+                                         const GLsizei *length,
+                                         const GLsizei *size,
+                                         const GLenum *type,
+                                         const GLchar *name)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (index >= static_cast<GLuint>(programObject->getTransformFeedbackVaryingCount()))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                 kTransformFeedbackVaryingIndexOutOfRange);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindTransformFeedback(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   TransformFeedbackID id)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    switch (target)
+    {
+        case GL_TRANSFORM_FEEDBACK:
+        {
+            // Cannot bind a transform feedback object if the current one is started and not
+            // paused (3.0.2 pg 85 section 2.14.1)
+            if (context->getState().isTransformFeedbackActiveUnpaused())
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kTransformFeedbackNotPaused);
+                return false;
+            }
+
+            // Cannot bind a transform feedback object that does not exist (3.0.2 pg 85 section
+            // 2.14.1)
+            if (!context->isTransformFeedbackGenerated(id))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kTransformFeedbackDoesNotExist);
+                return false;
+            }
+        }
+        break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateIsTransformFeedback(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TransformFeedbackID id)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidatePauseTransformFeedback(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback();
+    ASSERT(transformFeedback != nullptr);
+
+    // Current transform feedback must be active and not paused in order to pause (3.0.2 pg 86)
+    if (!transformFeedback->isActive())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotActive);
+        return false;
+    }
+
+    if (transformFeedback->isPaused())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackPaused);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateResumeTransformFeedback(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback();
+    ASSERT(transformFeedback != nullptr);
+
+    // Current transform feedback must be active and paused in order to resume (3.0.2 pg 86)
+    if (!transformFeedback->isActive())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotActive);
+        return false;
+    }
+
+    if (!transformFeedback->isPaused())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotPaused);
+        return false;
+    }
+
+    if (!ValidateProgramExecutableXFBBuffersPresent(
+            context, context->getState().getLinkedProgramExecutable(context)))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackBufferMissing);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateVertexAttribI4i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x,
+                             GLint y,
+                             GLint z,
+                             GLint w)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttribI4ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x,
+                              GLuint y,
+                              GLuint z,
+                              GLuint w)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttribI4iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateVertexAttribI4uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateGetFragDataLocation(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID program,
+                                 const GLchar *name)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (!programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetUniformIndices(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               GLsizei uniformCount,
+                               const GLchar *const *uniformNames,
+                               const GLuint *uniformIndices)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (uniformCount < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetActiveUniformsiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID program,
+                                 GLsizei uniformCount,
+                                 const GLuint *uniformIndices,
+                                 GLenum pname,
+                                 const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (uniformCount < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_UNIFORM_TYPE:
+        case GL_UNIFORM_SIZE:
+            break;
+        case GL_UNIFORM_NAME_LENGTH:
+            if (context->getExtensions().webglCompatibilityANGLE)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+                return false;
+            }
+            break;
+        case GL_UNIFORM_BLOCK_INDEX:
+        case GL_UNIFORM_OFFSET:
+        case GL_UNIFORM_ARRAY_STRIDE:
+        case GL_UNIFORM_MATRIX_STRIDE:
+        case GL_UNIFORM_IS_ROW_MAJOR:
+            break;
+
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname);
+            return false;
+    }
+
+    if (uniformCount > programObject->getActiveUniformCount())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform);
+        return false;
+    }
+
+    for (int uniformId = 0; uniformId < uniformCount; uniformId++)
+    {
+        const GLuint index = uniformIndices[uniformId];
+
+        if (index >= static_cast<GLuint>(programObject->getActiveUniformCount()))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetUniformBlockIndex(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  const GLchar *uniformBlockName)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetActiveUniformBlockiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformBlockIndex uniformBlockIndex,
+                                     GLenum pname,
+                                     const GLint *params)
+{
+    return ValidateGetActiveUniformBlockivBase(context, entryPoint, program, uniformBlockIndex,
+                                               pname, nullptr);
+}
+
+bool ValidateGetActiveUniformBlockName(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformBlockIndex uniformBlockIndex,
+                                       GLsizei bufSize,
+                                       const GLsizei *length,
+                                       const GLchar *uniformBlockName)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    if (uniformBlockIndex.value >= programObject->getActiveUniformBlockCount())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniformBlock);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateUniformBlockBinding(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID program,
+                                 UniformBlockIndex uniformBlockIndex,
+                                 GLuint uniformBlockBinding)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (uniformBlockBinding >= static_cast<GLuint>(context->getCaps().maxUniformBufferBindings))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                 kIndexExceedsMaxUniformBufferBindings);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+
+    // if never linked, there won't be any uniform blocks
+    if (uniformBlockIndex.value >= programObject->getActiveUniformBlockCount())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE,
+                                 kIndexExceedsMaxUniformBufferBindings);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawArraysInstanced(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 PrimitiveMode mode,
+                                 GLint first,
+                                 GLsizei count,
+                                 GLsizei primcount)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateDrawArraysInstancedBase(context, entryPoint, mode, first, count, primcount);
+}
+
+bool ValidateFenceSync(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum condition,
+                       GLbitfield flags)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (condition != GL_SYNC_GPU_COMMANDS_COMPLETE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFenceCondition);
+        return false;
+    }
+
+    if (flags != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFlags);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateIsSync(const Context *context, angle::EntryPoint entryPoint, GLsync sync)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDeleteSync(const Context *context, angle::EntryPoint entryPoint, GLsync sync)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (sync != static_cast<GLsync>(0) && !context->getSync(sync))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateClientWaitSync(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsync sync,
+                            GLbitfield flags,
+                            GLuint64 timeout)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if ((flags & ~(GL_SYNC_FLUSH_COMMANDS_BIT)) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFlags);
+        return false;
+    }
+
+    Sync *clientWaitSync = context->getSync(sync);
+    if (!clientWaitSync)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateWaitSync(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLsync sync,
+                      GLbitfield flags,
+                      GLuint64 timeout)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (flags != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFlags);
+        return false;
+    }
+
+    if (timeout != GL_TIMEOUT_IGNORED)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidTimeout);
+        return false;
+    }
+
+    Sync *waitSync = context->getSync(sync);
+    if (!waitSync)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetInteger64v(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum pname,
+                           const GLint64 *params)
+{
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    GLenum nativeType      = GL_NONE;
+    unsigned int numParams = 0;
+    if (!ValidateStateQuery(context, entryPoint, pname, &nativeType, &numParams))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateIsSampler(const Context *context, angle::EntryPoint entryPoint, SamplerID sampler)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindSampler(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLuint unit,
+                         SamplerID sampler)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (GetIDValue(sampler) != 0 && !context->isSampler(sampler))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidSampler);
+        return false;
+    }
+
+    if (unit >= static_cast<GLuint>(context->getCaps().maxCombinedTextureImageUnits))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCombinedImageUnit);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateVertexAttribDivisor(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint index,
+                                 GLuint divisor)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    return ValidateVertexAttribIndex(context, entryPoint, index);
+}
+
+bool ValidateTexStorage2D(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType target,
+                          GLsizei levels,
+                          GLenum internalformat,
+                          GLsizei width,
+                          GLsizei height)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateES3TexStorage2DParameters(context, entryPoint, target, levels, internalformat,
+                                           width, height, 1))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexStorage3D(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType target,
+                          GLsizei levels,
+                          GLenum internalformat,
+                          GLsizei width,
+                          GLsizei height,
+                          GLsizei depth)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+
+    if (!ValidateES3TexStorage3DParameters(context, entryPoint, target, levels, internalformat,
+                                           width, height, depth))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetBufferParameteri64v(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferBinding target,
+                                    GLenum pname,
+                                    const GLint64 *params)
+{
+    return ValidateGetBufferParameterBase(context, entryPoint, target, pname, false, nullptr);
+}
+
+bool ValidateGetSamplerParameterfv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   SamplerID sampler,
+                                   GLenum pname,
+                                   const GLfloat *params)
+{
+    return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr);
+}
+
+bool ValidateGetSamplerParameteriv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   SamplerID sampler,
+                                   GLenum pname,
+                                   const GLint *params)
+{
+    return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr);
+}
+
+bool ValidateGetSamplerParameterIivOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       SamplerID sampler,
+                                       GLenum pname,
+                                       const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr);
+}
+
+bool ValidateGetSamplerParameterIuivOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        SamplerID sampler,
+                                        GLenum pname,
+                                        const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr);
+}
+
+bool ValidateSamplerParameterf(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               SamplerID sampler,
+                               GLenum pname,
+                               GLfloat param)
+{
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, false, &param);
+}
+
+bool ValidateSamplerParameterfv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                SamplerID sampler,
+                                GLenum pname,
+                                const GLfloat *params)
+{
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params);
+}
+
+bool ValidateSamplerParameteri(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               SamplerID sampler,
+                               GLenum pname,
+                               GLint param)
+{
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, false, &param);
+}
+
+bool ValidateSamplerParameteriv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                SamplerID sampler,
+                                GLenum pname,
+                                const GLint *params)
+{
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params);
+}
+
+bool ValidateSamplerParameterIivOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    SamplerID sampler,
+                                    GLenum pname,
+                                    const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params);
+}
+
+bool ValidateSamplerParameterIuivOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID sampler,
+                                     GLenum pname,
+                                     const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params);
+}
+
+bool ValidateGetVertexAttribIiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint index,
+                                GLenum pname,
+                                const GLint *params)
+{
+    return ValidateGetVertexAttribBase(context, entryPoint, index, pname, nullptr, false, true);
+}
+
+bool ValidateGetVertexAttribIuiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint index,
+                                 GLenum pname,
+                                 const GLuint *params)
+{
+    return ValidateGetVertexAttribBase(context, entryPoint, index, pname, nullptr, false, true);
+}
+
+bool ValidateGetInternalformativ(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 GLenum internalformat,
+                                 GLenum pname,
+                                 GLsizei bufSize,
+                                 const GLint *params)
+{
+    return ValidateGetInternalFormativBase(context, entryPoint, target, internalformat, pname,
+                                           bufSize, nullptr);
+}
+
+bool ValidateBindFragDataLocationIndexedEXT(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID program,
+                                            GLuint colorNumber,
+                                            GLuint index,
+                                            const char *name)
+{
+    if (!context->getExtensions().blendFuncExtendedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    if (index > 1)
+    {
+        // This error is not explicitly specified but the spec does say that "<index> may be zero or
+        // one to specify that the color be used as either the first or second color input to the
+        // blend equation, respectively"
+        context->validationError(entryPoint, GL_INVALID_VALUE, kFragDataBindingIndexOutOfRange);
+        return false;
+    }
+    if (index == 1)
+    {
+        if (colorNumber >= context->getCaps().maxDualSourceDrawBuffers)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                     kColorNumberGreaterThanMaxDualSourceDrawBuffers);
+            return false;
+        }
+    }
+    else
+    {
+        if (colorNumber >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE,
+                                     kColorNumberGreaterThanMaxDrawBuffers);
+            return false;
+        }
+    }
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+    return true;
+}
+
+bool ValidateBindFragDataLocationEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     GLuint colorNumber,
+                                     const char *name)
+{
+    return ValidateBindFragDataLocationIndexedEXT(context, entryPoint, program, colorNumber, 0u,
+                                                  name);
+}
+
+bool ValidateGetFragDataIndexEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID program,
+                                 const char *name)
+{
+    if (!context->getExtensions().blendFuncExtendedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+    if (!programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateTexStorage2DMultisampleANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType target,
+                                          GLsizei samples,
+                                          GLenum internalFormat,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLboolean fixedSampleLocations)
+{
+    if (!context->getExtensions().textureMultisampleANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kMultisampleTextureExtensionOrES31Required);
+        return false;
+    }
+
+    return ValidateTexStorage2DMultisampleBase(context, entryPoint, target, samples, internalFormat,
+                                               width, height);
+}
+
+bool ValidateGetTexLevelParameterfvANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureTarget target,
+                                         GLint level,
+                                         GLenum pname,
+                                         const GLfloat *params)
+{
+    if (!context->getExtensions().textureMultisampleANGLE &&
+        !context->getExtensions().getTexLevelParameterANGLE)
+    {
+        context->validationError(
+            entryPoint, GL_INVALID_OPERATION,
+            kMultisampleTextureExtensionOrGetTexLevelParameterExtensionOrES31Required);
+        return false;
+    }
+
+    return ValidateGetTexLevelParameterBase(context, entryPoint, target, level, pname, nullptr);
+}
+
+bool ValidateGetTexLevelParameterivANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureTarget target,
+                                         GLint level,
+                                         GLenum pname,
+                                         const GLint *params)
+{
+    if (!context->getExtensions().textureMultisampleANGLE &&
+        !context->getExtensions().getTexLevelParameterANGLE)
+    {
+        context->validationError(
+            entryPoint, GL_INVALID_OPERATION,
+            kMultisampleTextureExtensionOrGetTexLevelParameterExtensionOrES31Required);
+        return false;
+    }
+
+    return ValidateGetTexLevelParameterBase(context, entryPoint, target, level, pname, nullptr);
+}
+
+bool ValidateGetMultisamplefvANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum pname,
+                                   GLuint index,
+                                   const GLfloat *val)
+{
+    if (!context->getExtensions().textureMultisampleANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kMultisampleTextureExtensionOrES31Required);
+        return false;
+    }
+
+    return ValidateGetMultisamplefvBase(context, entryPoint, pname, index, val);
+}
+
+bool ValidateSampleMaskiANGLE(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint maskNumber,
+                              GLbitfield mask)
+{
+    if (!context->getExtensions().textureMultisampleANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kMultisampleTextureExtensionOrES31Required);
+        return false;
+    }
+
+    return ValidateSampleMaskiBase(context, entryPoint, maskNumber, mask);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationES3.h b/gfx/angle/checkout/src/libANGLE/validationES3.h
new file mode 100644
index 0000000000..dcea322874
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES3.h
@@ -0,0 +1,72 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES3.h:
+//  Inlined validation functions for OpenGL ES 3.0 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES3_H_
+#define LIBANGLE_VALIDATION_ES3_H_
+
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/validationES3_autogen.h"
+
+namespace gl
+{
+bool ValidateES3TexImageParametersBase(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureTarget target,
+                                       GLint level,
+                                       GLenum internalformat,
+                                       bool isCompressed,
+                                       bool isSubImage,
+                                       GLint xoffset,
+                                       GLint yoffset,
+                                       GLint zoffset,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth,
+                                       GLint border,
+                                       GLenum format,
+                                       GLenum type,
+                                       GLsizei imageSize,
+                                       const void *pixels);
+
+bool ValidateES3TexStorageParametersLevel(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType target,
+                                          GLsizei levels,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei depth);
+
+bool ValidateES3TexStorageParametersExtent(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType target,
+                                           GLsizei levels,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth);
+
+bool ValidateES3TexStorageParametersTexObject(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              TextureType target);
+
+bool ValidateES3TexStorageParametersFormat(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType target,
+                                           GLsizei levels,
+                                           GLenum internalformat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth);
+
+bool ValidateProgramParameteriBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   GLenum pname,
+                                   GLint value);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES3_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES31.cpp b/gfx/angle/checkout/src/libANGLE/validationES31.cpp
new file mode 100644
index 0000000000..c0222f7497
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES31.cpp
@@ -0,0 +1,3157 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationES31.cpp: Validation functions for OpenGL ES 3.1 entry point parameters
+
+#include "libANGLE/validationES31_autogen.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/ProgramExecutable.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/validationES.h"
+#include "libANGLE/validationES2_autogen.h"
+#include "libANGLE/validationES31.h"
+#include "libANGLE/validationES3_autogen.h"
+
+#include "common/utilities.h"
+
+using namespace angle;
+
+namespace gl
+{
+using namespace err;
+
+namespace
+{
+
+bool ValidateNamedProgramInterface(GLenum programInterface)
+{
+    switch (programInterface)
+    {
+        case GL_UNIFORM:
+        case GL_UNIFORM_BLOCK:
+        case GL_PROGRAM_INPUT:
+        case GL_PROGRAM_OUTPUT:
+        case GL_TRANSFORM_FEEDBACK_VARYING:
+        case GL_BUFFER_VARIABLE:
+        case GL_SHADER_STORAGE_BLOCK:
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool ValidateLocationProgramInterface(GLenum programInterface)
+{
+    switch (programInterface)
+    {
+        case GL_UNIFORM:
+        case GL_PROGRAM_INPUT:
+        case GL_PROGRAM_OUTPUT:
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool ValidateProgramInterface(GLenum programInterface)
+{
+    return (programInterface == GL_ATOMIC_COUNTER_BUFFER ||
+            ValidateNamedProgramInterface(programInterface));
+}
+
+bool ValidateProgramResourceProperty(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum prop)
+{
+    ASSERT(context);
+    switch (prop)
+    {
+        case GL_ACTIVE_VARIABLES:
+        case GL_BUFFER_BINDING:
+        case GL_NUM_ACTIVE_VARIABLES:
+
+        case GL_ARRAY_SIZE:
+
+        case GL_ARRAY_STRIDE:
+        case GL_BLOCK_INDEX:
+        case GL_IS_ROW_MAJOR:
+        case GL_MATRIX_STRIDE:
+
+        case GL_ATOMIC_COUNTER_BUFFER_INDEX:
+
+        case GL_BUFFER_DATA_SIZE:
+
+        case GL_LOCATION:
+
+        case GL_NAME_LENGTH:
+
+        case GL_OFFSET:
+
+        case GL_REFERENCED_BY_VERTEX_SHADER:
+        case GL_REFERENCED_BY_FRAGMENT_SHADER:
+        case GL_REFERENCED_BY_COMPUTE_SHADER:
+
+        case GL_TOP_LEVEL_ARRAY_SIZE:
+        case GL_TOP_LEVEL_ARRAY_STRIDE:
+
+        case GL_TYPE:
+            return true;
+
+        case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
+            return context->getExtensions().geometryShaderAny() ||
+                   context->getClientVersion() >= ES_3_2;
+
+        case GL_REFERENCED_BY_TESS_CONTROL_SHADER_EXT:
+        case GL_REFERENCED_BY_TESS_EVALUATION_SHADER_EXT:
+        case GL_IS_PER_PATCH_EXT:
+            return context->getExtensions().tessellationShaderEXT ||
+                   context->getClientVersion() >= ES_3_2;
+
+        case GL_LOCATION_INDEX_EXT:
+            return context->getExtensions().blendFuncExtendedEXT;
+
+        default:
+            return false;
+    }
+}
+
+// GLES 3.10 spec: Page 82 -- Table 7.2
+bool ValidateProgramResourcePropertyByInterface(GLenum prop, GLenum programInterface)
+{
+    switch (prop)
+    {
+        case GL_ACTIVE_VARIABLES:
+        case GL_BUFFER_BINDING:
+        case GL_NUM_ACTIVE_VARIABLES:
+        {
+            switch (programInterface)
+            {
+                case GL_ATOMIC_COUNTER_BUFFER:
+                case GL_SHADER_STORAGE_BLOCK:
+                case GL_UNIFORM_BLOCK:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        case GL_ARRAY_SIZE:
+        {
+            switch (programInterface)
+            {
+                case GL_BUFFER_VARIABLE:
+                case GL_PROGRAM_INPUT:
+                case GL_PROGRAM_OUTPUT:
+                case GL_TRANSFORM_FEEDBACK_VARYING:
+                case GL_UNIFORM:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        case GL_ARRAY_STRIDE:
+        case GL_BLOCK_INDEX:
+        case GL_IS_ROW_MAJOR:
+        case GL_MATRIX_STRIDE:
+        {
+            switch (programInterface)
+            {
+                case GL_BUFFER_VARIABLE:
+                case GL_UNIFORM:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        case GL_ATOMIC_COUNTER_BUFFER_INDEX:
+        {
+            if (programInterface == GL_UNIFORM)
+            {
+                return true;
+            }
+            return false;
+        }
+
+        case GL_BUFFER_DATA_SIZE:
+        {
+            switch (programInterface)
+            {
+                case GL_ATOMIC_COUNTER_BUFFER:
+                case GL_SHADER_STORAGE_BLOCK:
+                case GL_UNIFORM_BLOCK:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        case GL_LOCATION:
+        {
+            return ValidateLocationProgramInterface(programInterface);
+        }
+
+        case GL_LOCATION_INDEX_EXT:
+        {
+            // EXT_blend_func_extended
+            return (programInterface == GL_PROGRAM_OUTPUT);
+        }
+
+        case GL_NAME_LENGTH:
+        {
+            return ValidateNamedProgramInterface(programInterface);
+        }
+
+        case GL_OFFSET:
+        {
+            switch (programInterface)
+            {
+                case GL_BUFFER_VARIABLE:
+                case GL_UNIFORM:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        case GL_REFERENCED_BY_VERTEX_SHADER:
+        case GL_REFERENCED_BY_FRAGMENT_SHADER:
+        case GL_REFERENCED_BY_COMPUTE_SHADER:
+        case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
+        case GL_REFERENCED_BY_TESS_CONTROL_SHADER_EXT:
+        case GL_REFERENCED_BY_TESS_EVALUATION_SHADER_EXT:
+        {
+            switch (programInterface)
+            {
+                case GL_ATOMIC_COUNTER_BUFFER:
+                case GL_BUFFER_VARIABLE:
+                case GL_PROGRAM_INPUT:
+                case GL_PROGRAM_OUTPUT:
+                case GL_SHADER_STORAGE_BLOCK:
+                case GL_UNIFORM:
+                case GL_UNIFORM_BLOCK:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        case GL_TOP_LEVEL_ARRAY_SIZE:
+        case GL_TOP_LEVEL_ARRAY_STRIDE:
+        {
+            if (programInterface == GL_BUFFER_VARIABLE)
+            {
+                return true;
+            }
+            return false;
+        }
+
+        case GL_TYPE:
+        {
+            switch (programInterface)
+            {
+                case GL_BUFFER_VARIABLE:
+                case GL_PROGRAM_INPUT:
+                case GL_PROGRAM_OUTPUT:
+                case GL_TRANSFORM_FEEDBACK_VARYING:
+                case GL_UNIFORM:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+        case GL_IS_PER_PATCH_EXT:
+            switch (programInterface)
+            {
+                case GL_PROGRAM_INPUT:
+                case GL_PROGRAM_OUTPUT:
+                    return true;
+            }
+            return false;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidateProgramResourceIndex(const Program *programObject,
+                                  GLenum programInterface,
+                                  GLuint index)
+{
+    switch (programInterface)
+    {
+        case GL_PROGRAM_INPUT:
+            return (index <
+                    static_cast<GLuint>(programObject->getState().getProgramInputs().size()));
+
+        case GL_PROGRAM_OUTPUT:
+            return (index < static_cast<GLuint>(programObject->getOutputResourceCount()));
+
+        case GL_UNIFORM:
+            return (index < static_cast<GLuint>(programObject->getActiveUniformCount()));
+
+        case GL_BUFFER_VARIABLE:
+            return (index < static_cast<GLuint>(programObject->getActiveBufferVariableCount()));
+
+        case GL_SHADER_STORAGE_BLOCK:
+            return (index < static_cast<GLuint>(programObject->getActiveShaderStorageBlockCount()));
+
+        case GL_UNIFORM_BLOCK:
+            return (index < programObject->getActiveUniformBlockCount());
+
+        case GL_ATOMIC_COUNTER_BUFFER:
+            return (index < programObject->getActiveAtomicCounterBufferCount());
+
+        case GL_TRANSFORM_FEEDBACK_VARYING:
+            return (index < static_cast<GLuint>(programObject->getTransformFeedbackVaryingCount()));
+
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool ValidateProgramUniformBase(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum valueType,
+                                ShaderProgramID program,
+                                UniformLocation location,
+                                GLsizei count)
+{
+    const LinkedUniform *uniform = nullptr;
+    Program *programObject       = GetValidProgram(context, entryPoint, program);
+    return ValidateUniformCommonBase(context, entryPoint, programObject, location, count,
+                                     &uniform) &&
+           ValidateUniformValue(context, entryPoint, valueType, uniform->type);
+}
+
+bool ValidateProgramUniformMatrixBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum valueType,
+                                      ShaderProgramID program,
+                                      UniformLocation location,
+                                      GLsizei count,
+                                      GLboolean transpose)
+{
+    const LinkedUniform *uniform = nullptr;
+    Program *programObject       = GetValidProgram(context, entryPoint, program);
+    return ValidateUniformCommonBase(context, entryPoint, programObject, location, count,
+                                     &uniform) &&
+           ValidateUniformMatrixValue(context, entryPoint, valueType, uniform->type);
+}
+
+bool ValidateVertexAttribFormatCommon(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLuint relativeOffset)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (relativeOffset > static_cast<GLuint>(caps.maxVertexAttribRelativeOffset))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kRelativeOffsetTooLarge);
+        return false;
+    }
+
+    // [OpenGL ES 3.1] Section 10.3.1 page 243:
+    // An INVALID_OPERATION error is generated if the default vertex array object is bound.
+    if (context->getState().getVertexArrayId().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultVertexArray);
+        return false;
+    }
+
+    return true;
+}
+
+}  // anonymous namespace
+
+bool ValidateGetBooleani_v(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index,
+                           const GLboolean *data)
+{
+    if (context->getClientVersion() < ES_3_1 && !context->getExtensions().drawBuffersIndexedAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kES31OrDrawBuffersIndexedExtensionNotAvailable);
+        return false;
+    }
+
+    if (!ValidateIndexedStateQuery(context, entryPoint, target, index, nullptr))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetBooleani_vRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum target,
+                                      GLuint index,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLboolean *data)
+{
+    if (context->getClientVersion() < ES_3_1 && !context->getExtensions().drawBuffersIndexedAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kES31OrDrawBuffersIndexedExtensionNotAvailable);
+        return false;
+    }
+
+    if (!ValidateRobustEntryPoint(context, entryPoint, bufSize))
+    {
+        return false;
+    }
+
+    GLsizei numParams = 0;
+
+    if (!ValidateIndexedStateQuery(context, entryPoint, target, index, &numParams))
+    {
+        return false;
+    }
+
+    if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams))
+    {
+        return false;
+    }
+
+    SetRobustLengthParam(length, numParams);
+    return true;
+}
+
+bool ValidateDrawIndirectBase(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              PrimitiveMode mode,
+                              const void *indirect)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    // Here the third parameter 1 is only to pass the count validation.
+    if (!ValidateDrawBase(context, entryPoint, mode))
+    {
+        return false;
+    }
+
+    const State &state = context->getState();
+
+    // An INVALID_OPERATION error is generated if zero is bound to VERTEX_ARRAY_BINDING,
+    // DRAW_INDIRECT_BUFFER or to any enabled vertex array.
+    if (state.getVertexArrayId().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultVertexArray);
+        return false;
+    }
+
+    if (context->getStateCache().hasAnyActiveClientAttrib())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kClientDataInVertexArray);
+        return false;
+    }
+
+    Buffer *drawIndirectBuffer = state.getTargetBuffer(BufferBinding::DrawIndirect);
+    if (!drawIndirectBuffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDrawIndirectBufferNotBound);
+        return false;
+    }
+
+    // An INVALID_VALUE error is generated if indirect is not a multiple of the size, in basic
+    // machine units, of uint.
+    GLint64 offset = reinterpret_cast<GLint64>(indirect);
+    if ((static_cast<GLuint>(offset) % sizeof(GLuint)) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidIndirectOffset);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawArraysIndirect(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                PrimitiveMode mode,
+                                const void *indirect)
+{
+    const State &state                      = context->getState();
+    TransformFeedback *curTransformFeedback = state.getCurrentTransformFeedback();
+    if (curTransformFeedback && curTransformFeedback->isActive() &&
+        !curTransformFeedback->isPaused())
+    {
+        // EXT_geometry_shader allows transform feedback to work with all draw commands.
+        // [EXT_geometry_shader] Section 12.1, "Transform Feedback"
+        if (context->getExtensions().geometryShaderAny() || context->getClientVersion() >= ES_3_2)
+        {
+            if (!ValidateTransformFeedbackPrimitiveMode(
+                    context, entryPoint, curTransformFeedback->getPrimitiveMode(), mode))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidDrawModeTransformFeedback);
+                return false;
+            }
+        }
+        else
+        {
+            // An INVALID_OPERATION error is generated if transform feedback is active and not
+            // paused.
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kUnsupportedDrawModeForTransformFeedback);
+            return false;
+        }
+    }
+
+    if (!ValidateDrawIndirectBase(context, entryPoint, mode, indirect))
+        return false;
+
+    Buffer *drawIndirectBuffer = state.getTargetBuffer(BufferBinding::DrawIndirect);
+    CheckedNumeric<size_t> checkedOffset(reinterpret_cast<size_t>(indirect));
+    // In OpenGL ES3.1 spec, session 10.5, it defines the struct of DrawArraysIndirectCommand
+    // which's size is 4 * sizeof(uint).
+    auto checkedSum = checkedOffset + 4 * sizeof(GLuint);
+    if (!checkedSum.IsValid() ||
+        checkedSum.ValueOrDie() > static_cast<size_t>(drawIndirectBuffer->getSize()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kParamOverflow);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawElementsIndirect(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  PrimitiveMode mode,
+                                  DrawElementsType type,
+                                  const void *indirect)
+{
+    if (!ValidateDrawElementsBase(context, entryPoint, mode, type))
+    {
+        return false;
+    }
+
+    const State &state         = context->getState();
+    const VertexArray *vao     = state.getVertexArray();
+    Buffer *elementArrayBuffer = vao->getElementArrayBuffer();
+    if (!elementArrayBuffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kMustHaveElementArrayBinding);
+        return false;
+    }
+
+    if (!ValidateDrawIndirectBase(context, entryPoint, mode, indirect))
+        return false;
+
+    Buffer *drawIndirectBuffer = state.getTargetBuffer(BufferBinding::DrawIndirect);
+    CheckedNumeric<size_t> checkedOffset(reinterpret_cast<size_t>(indirect));
+    // In OpenGL ES3.1 spec, session 10.5, it defines the struct of DrawElementsIndirectCommand
+    // which's size is 5 * sizeof(uint).
+    auto checkedSum = checkedOffset + 5 * sizeof(GLuint);
+    if (!checkedSum.IsValid() ||
+        checkedSum.ValueOrDie() > static_cast<size_t>(drawIndirectBuffer->getSize()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kParamOverflow);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateMultiDrawIndirectBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei drawcount,
+                                   GLsizei stride)
+{
+    if (!context->getExtensions().multiDrawIndirectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    // An INVALID_VALUE error is generated if stride is neither 0 nor a multiple of 4.
+    if ((stride & 3) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDrawBufferValue);
+        return false;
+    }
+
+    // An INVALID_VALUE error is generated if drawcount is not positive.
+    if (drawcount <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidValueNonPositive);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateProgramUniform1iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLint v0)
+{
+    return ValidateProgramUniform1ivBase(context, entryPoint, program, location, 1, &v0);
+}
+
+bool ValidateProgramUniform2iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLint v0,
+                                  GLint v1)
+{
+    GLint xy[2] = {v0, v1};
+    return ValidateProgramUniform2ivBase(context, entryPoint, program, location, 1, xy);
+}
+
+bool ValidateProgramUniform3iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLint v0,
+                                  GLint v1,
+                                  GLint v2)
+{
+    GLint xyz[3] = {v0, v1, v2};
+    return ValidateProgramUniform3ivBase(context, entryPoint, program, location, 1, xyz);
+}
+
+bool ValidateProgramUniform4iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLint v0,
+                                  GLint v1,
+                                  GLint v2,
+                                  GLint v3)
+{
+    GLint xyzw[4] = {v0, v1, v2, v3};
+    return ValidateProgramUniform4ivBase(context, entryPoint, program, location, 1, xyzw);
+}
+
+bool ValidateProgramUniform1uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLuint v0)
+{
+    return ValidateProgramUniform1uivBase(context, entryPoint, program, location, 1, &v0);
+}
+
+bool ValidateProgramUniform2uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLuint v0,
+                                   GLuint v1)
+{
+    GLuint xy[2] = {v0, v1};
+    return ValidateProgramUniform2uivBase(context, entryPoint, program, location, 1, xy);
+}
+
+bool ValidateProgramUniform3uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLuint v0,
+                                   GLuint v1,
+                                   GLuint v2)
+{
+    GLuint xyz[3] = {v0, v1, v2};
+    return ValidateProgramUniform3uivBase(context, entryPoint, program, location, 1, xyz);
+}
+
+bool ValidateProgramUniform4uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLuint v0,
+                                   GLuint v1,
+                                   GLuint v2,
+                                   GLuint v3)
+{
+    GLuint xyzw[4] = {v0, v1, v2, v3};
+    return ValidateProgramUniform4uivBase(context, entryPoint, program, location, 1, xyzw);
+}
+
+bool ValidateProgramUniform1fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLfloat v0)
+{
+    return ValidateProgramUniform1fvBase(context, entryPoint, program, location, 1, &v0);
+}
+
+bool ValidateProgramUniform2fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLfloat v0,
+                                  GLfloat v1)
+{
+    GLfloat xy[2] = {v0, v1};
+    return ValidateProgramUniform2fvBase(context, entryPoint, program, location, 1, xy);
+}
+
+bool ValidateProgramUniform3fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLfloat v0,
+                                  GLfloat v1,
+                                  GLfloat v2)
+{
+    GLfloat xyz[3] = {v0, v1, v2};
+    return ValidateProgramUniform3fvBase(context, entryPoint, program, location, 1, xyz);
+}
+
+bool ValidateProgramUniform4fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  UniformLocation location,
+                                  GLfloat v0,
+                                  GLfloat v1,
+                                  GLfloat v2,
+                                  GLfloat v3)
+{
+    GLfloat xyzw[4] = {v0, v1, v2, v3};
+    return ValidateProgramUniform4fvBase(context, entryPoint, program, location, 1, xyzw);
+}
+
+bool ValidateProgramUniform1ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLint *value)
+{
+    const LinkedUniform *uniform = nullptr;
+    Program *programObject       = GetValidProgram(context, entryPoint, program);
+    return ValidateUniformCommonBase(context, entryPoint, programObject, location, count,
+                                     &uniform) &&
+           ValidateUniform1ivValue(context, entryPoint, uniform->type, count, value);
+}
+
+bool ValidateProgramUniform2ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLint *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_INT_VEC2, program, location, count);
+}
+
+bool ValidateProgramUniform3ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLint *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_INT_VEC3, program, location, count);
+}
+
+bool ValidateProgramUniform4ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLint *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_INT_VEC4, program, location, count);
+}
+
+bool ValidateProgramUniform1uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID program,
+                                    UniformLocation location,
+                                    GLsizei count,
+                                    const GLuint *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_UNSIGNED_INT, program, location,
+                                      count);
+}
+
+bool ValidateProgramUniform2uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID program,
+                                    UniformLocation location,
+                                    GLsizei count,
+                                    const GLuint *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_UNSIGNED_INT_VEC2, program, location,
+                                      count);
+}
+
+bool ValidateProgramUniform3uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID program,
+                                    UniformLocation location,
+                                    GLsizei count,
+                                    const GLuint *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_UNSIGNED_INT_VEC3, program, location,
+                                      count);
+}
+
+bool ValidateProgramUniform4uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID program,
+                                    UniformLocation location,
+                                    GLsizei count,
+                                    const GLuint *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_UNSIGNED_INT_VEC4, program, location,
+                                      count);
+}
+
+bool ValidateProgramUniform1fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLfloat *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_FLOAT, program, location, count);
+}
+
+bool ValidateProgramUniform2fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLfloat *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_FLOAT_VEC2, program, location, count);
+}
+
+bool ValidateProgramUniform3fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLfloat *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_FLOAT_VEC3, program, location, count);
+}
+
+bool ValidateProgramUniform4fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   UniformLocation location,
+                                   GLsizei count,
+                                   const GLfloat *value)
+{
+    return ValidateProgramUniformBase(context, entryPoint, GL_FLOAT_VEC4, program, location, count);
+}
+
+bool ValidateProgramUniformMatrix2fvBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         UniformLocation location,
+                                         GLsizei count,
+                                         GLboolean transpose,
+                                         const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT2, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix3fvBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         UniformLocation location,
+                                         GLsizei count,
+                                         GLboolean transpose,
+                                         const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT3, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix4fvBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         UniformLocation location,
+                                         GLsizei count,
+                                         GLboolean transpose,
+                                         const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT4, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix2x3fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID program,
+                                           UniformLocation location,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT2x3, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix3x2fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID program,
+                                           UniformLocation location,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT3x2, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix2x4fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID program,
+                                           UniformLocation location,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT2x4, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix4x2fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID program,
+                                           UniformLocation location,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT4x2, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix3x4fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID program,
+                                           UniformLocation location,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT3x4, program, location,
+                                            count, transpose);
+}
+
+bool ValidateProgramUniformMatrix4x3fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID program,
+                                           UniformLocation location,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value)
+{
+    return ValidateProgramUniformMatrixBase(context, entryPoint, GL_FLOAT_MAT4x3, program, location,
+                                            count, transpose);
+}
+
+bool ValidateGetTexLevelParameterfv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureTarget target,
+                                    GLint level,
+                                    GLenum pname,
+                                    const GLfloat *params)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateGetTexLevelParameterBase(context, entryPoint, target, level, pname, nullptr);
+}
+
+bool ValidateGetTexLevelParameterfvRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               TextureTarget target,
+                                               GLint level,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLfloat *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetTexLevelParameteriv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureTarget target,
+                                    GLint level,
+                                    GLenum pname,
+                                    const GLint *params)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateGetTexLevelParameterBase(context, entryPoint, target, level, pname, nullptr);
+}
+
+bool ValidateGetTexLevelParameterivRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               TextureTarget target,
+                                               GLint level,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateTexStorage2DMultisample(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureType target,
+                                     GLsizei samples,
+                                     GLenum internalFormat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLboolean fixedSampleLocations)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateTexStorage2DMultisampleBase(context, entryPoint, target, samples, internalFormat,
+                                               width, height);
+}
+
+bool ValidateTexStorageMem2DMultisampleEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType target,
+                                           GLsizei samples,
+                                           GLenum internalFormat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLboolean fixedSampleLocations,
+                                           MemoryObjectID memory,
+                                           GLuint64 offset)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetMultisamplefv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              GLuint index,
+                              const GLfloat *val)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateGetMultisamplefvBase(context, entryPoint, pname, index, val);
+}
+
+bool ValidateGetMultisamplefvRobustANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum pname,
+                                         GLuint index,
+                                         GLsizei bufSize,
+                                         const GLsizei *length,
+                                         const GLfloat *val)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateFramebufferParameteri(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum pname,
+                                   GLint param)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateFramebufferParameteriBase(context, entryPoint, target, pname, param);
+}
+
+bool ValidateGetFramebufferParameteriv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum pname,
+                                       const GLint *params)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateGetFramebufferParameterivBase(context, entryPoint, target, pname, params);
+}
+
+bool ValidateGetFramebufferParameterivRobustANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum target,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  const GLsizei *length,
+                                                  const GLint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetProgramResourceIndex(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     GLenum programInterface,
+                                     const GLchar *name)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (programObject == nullptr)
+    {
+        return false;
+    }
+
+    if (!ValidateNamedProgramInterface(programInterface))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProgramInterface);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindVertexBuffer(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint bindingIndex,
+                              BufferID buffer,
+                              GLintptr offset,
+                              GLsizei stride)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    if (!context->isBufferGenerated(buffer))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (bindingIndex >= static_cast<GLuint>(caps.maxVertexAttribBindings))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings);
+        return false;
+    }
+
+    if (offset < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if (stride < 0 || stride > caps.maxVertexAttribStride)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribStride);
+        return false;
+    }
+
+    // [OpenGL ES 3.1] Section 10.3.1 page 244:
+    // An INVALID_OPERATION error is generated if the default vertex array object is bound.
+    if (context->getState().getVertexArrayId().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultVertexArray);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateVertexBindingDivisor(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint bindingIndex,
+                                  GLuint divisor)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (bindingIndex >= static_cast<GLuint>(caps.maxVertexAttribBindings))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings);
+        return false;
+    }
+
+    // [OpenGL ES 3.1] Section 10.3.1 page 243:
+    // An INVALID_OPERATION error is generated if the default vertex array object is bound.
+    if (context->getState().getVertexArrayId().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultVertexArray);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateVertexAttribFormat(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint attribindex,
+                                GLint size,
+                                VertexAttribType type,
+                                GLboolean normalized,
+                                GLuint relativeoffset)
+{
+    if (!ValidateVertexAttribFormatCommon(context, entryPoint, relativeoffset))
+    {
+        return false;
+    }
+
+    return ValidateFloatVertexFormat(context, entryPoint, attribindex, size, type);
+}
+
+bool ValidateVertexAttribIFormat(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint attribindex,
+                                 GLint size,
+                                 VertexAttribType type,
+                                 GLuint relativeoffset)
+{
+    if (!ValidateVertexAttribFormatCommon(context, entryPoint, relativeoffset))
+    {
+        return false;
+    }
+
+    return ValidateIntegerVertexFormat(context, entryPoint, attribindex, size, type);
+}
+
+bool ValidateVertexAttribBinding(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint attribIndex,
+                                 GLuint bindingIndex)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    // [OpenGL ES 3.1] Section 10.3.1 page 243:
+    // An INVALID_OPERATION error is generated if the default vertex array object is bound.
+    if (context->getState().getVertexArrayId().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDefaultVertexArray);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (attribIndex >= static_cast<GLuint>(caps.maxVertexAttributes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute);
+        return false;
+    }
+
+    if (bindingIndex >= static_cast<GLuint>(caps.maxVertexAttribBindings))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetProgramResourceName(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID program,
+                                    GLenum programInterface,
+                                    GLuint index,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLchar *name)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (programObject == nullptr)
+    {
+        return false;
+    }
+
+    if (!ValidateNamedProgramInterface(programInterface))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProgramInterface);
+        return false;
+    }
+
+    if (!ValidateProgramResourceIndex(programObject, programInterface, index))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProgramResourceIndex);
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDispatchCompute(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint numGroupsX,
+                             GLuint numGroupsY,
+                             GLuint numGroupsZ)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    const State &state                  = context->getState();
+    const ProgramExecutable *executable = state.getProgramExecutable();
+
+    if (executable == nullptr || !executable->hasLinkedShaderStage(ShaderType::Compute))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kNoActiveProgramWithComputeShader);
+        return false;
+    }
+
+    const Caps &caps = context->getCaps();
+    if (numGroupsX > static_cast<GLuint>(caps.maxComputeWorkGroupCount[0]))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsComputeWorkGroupCountX);
+        return false;
+    }
+    if (numGroupsY > static_cast<GLuint>(caps.maxComputeWorkGroupCount[1]))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsComputeWorkGroupCountY);
+        return false;
+    }
+    if (numGroupsZ > static_cast<GLuint>(caps.maxComputeWorkGroupCount[2]))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsComputeWorkGroupCountZ);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDispatchComputeIndirect(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLintptr indirect)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    const State &state                  = context->getState();
+    const ProgramExecutable *executable = state.getProgramExecutable();
+
+    if (executable == nullptr || !executable->hasLinkedShaderStage(ShaderType::Compute))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kNoActiveProgramWithComputeShader);
+        return false;
+    }
+
+    if (indirect < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset);
+        return false;
+    }
+
+    if ((indirect & (sizeof(GLuint) - 1)) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetMustBeMultipleOfUint);
+        return false;
+    }
+
+    Buffer *dispatchIndirectBuffer = state.getTargetBuffer(BufferBinding::DispatchIndirect);
+    if (!dispatchIndirectBuffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kDispatchIndirectBufferNotBound);
+        return false;
+    }
+
+    CheckedNumeric<GLuint64> checkedOffset(static_cast<GLuint64>(indirect));
+    auto checkedSum = checkedOffset + static_cast<GLuint64>(3 * sizeof(GLuint));
+    if (!checkedSum.IsValid() ||
+        checkedSum.ValueOrDie() > static_cast<GLuint64>(dispatchIndirectBuffer->getSize()))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInsufficientBufferSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBindImageTexture(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint unit,
+                              TextureID texture,
+                              GLint level,
+                              GLboolean layered,
+                              GLint layer,
+                              GLenum access,
+                              GLenum format)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    GLuint maxImageUnits = static_cast<GLuint>(context->getCaps().maxImageUnits);
+    if (unit >= maxImageUnits)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxImageUnits);
+        return false;
+    }
+
+    if (level < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLevel);
+        return false;
+    }
+
+    if (layer < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLayer);
+        return false;
+    }
+
+    if (access != GL_READ_ONLY && access != GL_WRITE_ONLY && access != GL_READ_WRITE)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidImageAccess);
+        return false;
+    }
+
+    switch (format)
+    {
+        case GL_RGBA32F:
+        case GL_RGBA16F:
+        case GL_R32F:
+        case GL_RGBA32UI:
+        case GL_RGBA16UI:
+        case GL_RGBA8UI:
+        case GL_R32UI:
+        case GL_RGBA32I:
+        case GL_RGBA16I:
+        case GL_RGBA8I:
+        case GL_R32I:
+        case GL_RGBA8:
+        case GL_RGBA8_SNORM:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidImageFormat);
+            return false;
+    }
+
+    if (texture.value != 0)
+    {
+        Texture *tex = context->getTexture(texture);
+
+        if (tex == nullptr)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kMissingTextureName);
+            return false;
+        }
+
+        if (!tex->getImmutableFormat() && tex->getType() != gl::TextureType::Buffer)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kTextureIsNeitherImmutableNorTextureBuffer);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetProgramResourceLocation(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID program,
+                                        GLenum programInterface,
+                                        const GLchar *name)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (programObject == nullptr)
+    {
+        return false;
+    }
+
+    if (!programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    if (!ValidateLocationProgramInterface(programInterface))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProgramInterface);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateGetProgramResourceiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  GLenum programInterface,
+                                  GLuint index,
+                                  GLsizei propCount,
+                                  const GLenum *props,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLint *params)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (programObject == nullptr)
+    {
+        return false;
+    }
+    if (!ValidateProgramInterface(programInterface))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProgramInterface);
+        return false;
+    }
+    if (propCount <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPropCount);
+        return false;
+    }
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufSize);
+        return false;
+    }
+    if (!ValidateProgramResourceIndex(programObject, programInterface, index))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidProgramResourceIndex);
+        return false;
+    }
+    for (GLsizei i = 0; i < propCount; i++)
+    {
+        if (!ValidateProgramResourceProperty(context, entryPoint, props[i]))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProgramResourceProperty);
+            return false;
+        }
+        if (!ValidateProgramResourcePropertyByInterface(props[i], programInterface))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kInvalidPropertyForProgramInterface);
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ValidateGetProgramInterfaceiv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID program,
+                                   GLenum programInterface,
+                                   GLenum pname,
+                                   const GLint *params)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (programObject == nullptr)
+    {
+        return false;
+    }
+
+    if (!ValidateProgramInterface(programInterface))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidProgramInterface);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_ACTIVE_RESOURCES:
+        case GL_MAX_NAME_LENGTH:
+        case GL_MAX_NUM_ACTIVE_VARIABLES:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    if (pname == GL_MAX_NAME_LENGTH && programInterface == GL_ATOMIC_COUNTER_BUFFER)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kAtomicCounterResourceName);
+        return false;
+    }
+
+    if (pname == GL_MAX_NUM_ACTIVE_VARIABLES)
+    {
+        switch (programInterface)
+        {
+            case GL_ATOMIC_COUNTER_BUFFER:
+            case GL_SHADER_STORAGE_BLOCK:
+            case GL_UNIFORM_BLOCK:
+                break;
+
+            default:
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kMaxActiveVariablesInterface);
+                return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateGetProgramInterfaceivRobustANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              ShaderProgramID program,
+                                              GLenum programInterface,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              const GLsizei *length,
+                                              const GLint *params)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGenProgramPipelinesBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLsizei n,
+                                     const ProgramPipelineID *pipelines)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteProgramPipelinesBase(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLsizei n,
+                                        const ProgramPipelineID *pipelines)
+{
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateBindProgramPipelineBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipeline)
+{
+    if (!context->isProgramPipelineGenerated({pipeline}))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateIsProgramPipelineBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ProgramPipelineID pipeline)
+{
+    return true;
+}
+
+bool ValidateUseProgramStagesBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProgramPipelineID pipeline,
+                                  GLbitfield stages,
+                                  ShaderProgramID programId)
+{
+    // GL_INVALID_VALUE is generated if shaders contains set bits that are not recognized, and is
+    // not the reserved value GL_ALL_SHADER_BITS.
+    GLbitfield knownShaderBits =
+        GL_VERTEX_SHADER_BIT | GL_FRAGMENT_SHADER_BIT | GL_COMPUTE_SHADER_BIT;
+
+    if (context->getClientVersion() >= ES_3_2 || context->getExtensions().geometryShaderAny())
+    {
+        knownShaderBits |= GL_GEOMETRY_SHADER_BIT;
+    }
+
+    if (context->getClientVersion() >= ES_3_2 || context->getExtensions().tessellationShaderEXT)
+    {
+        knownShaderBits |= GL_TESS_CONTROL_SHADER_BIT;
+        knownShaderBits |= GL_TESS_EVALUATION_SHADER_BIT;
+    }
+
+    if ((stages & ~knownShaderBits) && (stages != GL_ALL_SHADER_BITS))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kUnrecognizedShaderStageBit);
+        return false;
+    }
+
+    // GL_INVALID_OPERATION is generated if pipeline is not a name previously returned from a call
+    // to glGenProgramPipelines or if such a name has been deleted by a call to
+    // glDeleteProgramPipelines.
+    if (!context->isProgramPipelineGenerated({pipeline}))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated);
+        return false;
+    }
+
+    // If program is zero, or refers to a program object with no valid shader executable for a given
+    // stage, it is as if the pipeline object has no programmable stage configured for the indicated
+    // shader stages.
+    if (programId.value == 0)
+    {
+        return true;
+    }
+
+    Program *program = context->getProgramNoResolveLink(programId);
+    if (!program)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kProgramDoesNotExist);
+        return false;
+    }
+
+    // GL_INVALID_OPERATION is generated if program refers to a program object that was not linked
+    // with its GL_PROGRAM_SEPARABLE status set.
+    // resolveLink() may not have been called if glCreateShaderProgramv() was not used and
+    // glDetachShader() was not called.
+    program->resolveLink(context);
+    if (!program->isSeparable())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotSeparable);
+        return false;
+    }
+
+    // GL_INVALID_OPERATION is generated if program refers to a program object that has not been
+    // successfully linked.
+    if (!program->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateActiveShaderProgramBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipeline,
+                                     ShaderProgramID programId)
+{
+    // An INVALID_OPERATION error is generated if pipeline is not a name returned from a previous
+    // call to GenProgramPipelines or if such a name has since been deleted by
+    // DeleteProgramPipelines.
+    if (!context->isProgramPipelineGenerated({pipeline}))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated);
+        return false;
+    }
+
+    // An INVALID_VALUE error is generated if program is not zero and is not the name of either a
+    // program or shader object.
+    if ((programId.value != 0) && !context->isProgram(programId) && !context->isShader(programId))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kProgramDoesNotExist);
+        return false;
+    }
+
+    // An INVALID_OPERATION error is generated if program is the name of a shader object.
+    if (context->isShader(programId))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExpectedProgramName);
+        return false;
+    }
+
+    // An INVALID_OPERATION error is generated if program is not zero and has not been linked, or
+    // was last linked unsuccessfully. The active program is not modified.
+    Program *program = context->getProgramNoResolveLink(programId);
+    if ((programId.value != 0) && !program->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateShaderProgramvBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderType type,
+                                      GLsizei count,
+                                      const GLchar *const *strings)
+{
+    switch (type)
+    {
+        case ShaderType::InvalidEnum:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+            return false;
+        case ShaderType::Vertex:
+        case ShaderType::Fragment:
+        case ShaderType::Compute:
+            break;
+        case ShaderType::Geometry:
+            if (!context->getExtensions().geometryShaderAny() &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+                return false;
+            }
+            break;
+        case ShaderType::TessControl:
+        case ShaderType::TessEvaluation:
+            if (!context->getExtensions().tessellationShaderEXT &&
+                context->getClientVersion() < ES_3_2)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShaderType);
+                return false;
+            }
+            break;
+        default:
+            UNREACHABLE();
+    }
+
+    // GL_INVALID_VALUE is generated if count is negative.
+    if (count < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCreateShaderProgramvBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderType type,
+                                      GLsizei count,
+                                      const GLchar **strings)
+{
+    const GLchar *const *tmpStrings = strings;
+    return ValidateCreateShaderProgramvBase(context, entryPoint, type, count, tmpStrings);
+}
+
+bool ValidateGetProgramPipelineivBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ProgramPipelineID pipeline,
+                                      GLenum pname,
+                                      const GLint *params)
+{
+    // An INVALID_OPERATION error is generated if pipeline is not a name returned from a previous
+    // call to GenProgramPipelines or if such a name has since been deleted by
+    // DeleteProgramPipelines.
+    if ((pipeline.value == 0) || (!context->isProgramPipelineGenerated(pipeline)))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramPipelineDoesNotExist);
+        return false;
+    }
+
+    // An INVALID_ENUM error is generated if pname is not ACTIVE_PROGRAM,
+    // INFO_LOG_LENGTH, VALIDATE_STATUS, or one of the type arguments in
+    // table 7.1.
+    switch (pname)
+    {
+        case GL_ACTIVE_PROGRAM:
+        case GL_INFO_LOG_LENGTH:
+        case GL_VALIDATE_STATUS:
+        case GL_VERTEX_SHADER:
+        case GL_FRAGMENT_SHADER:
+        case GL_COMPUTE_SHADER:
+            break;
+        case GL_GEOMETRY_SHADER:
+            return context->getExtensions().geometryShaderAny() ||
+                   context->getClientVersion() >= ES_3_2;
+        case GL_TESS_CONTROL_SHADER:
+        case GL_TESS_EVALUATION_SHADER:
+            return context->getExtensions().tessellationShaderEXT ||
+                   context->getClientVersion() >= ES_3_2;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateValidateProgramPipelineBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ProgramPipelineID pipeline)
+{
+    if (pipeline.value == 0)
+    {
+        return false;
+    }
+
+    if (!context->isProgramPipelineGenerated(pipeline))
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramPipelineDoesNotExist);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetProgramPipelineInfoLogBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ProgramPipelineID pipeline,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           const GLchar *infoLog)
+{
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    if (!context->isProgramPipelineGenerated(pipeline))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kProgramPipelineDoesNotExist);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateActiveShaderProgram(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ProgramPipelineID pipelinePacked,
+                                 ShaderProgramID programPacked)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateActiveShaderProgramBase(context, entryPoint, pipelinePacked, programPacked);
+}
+
+bool ValidateBindProgramPipeline(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ProgramPipelineID pipelinePacked)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateBindProgramPipelineBase(context, entryPoint, pipelinePacked);
+}
+
+bool ValidateCreateShaderProgramv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderType typePacked,
+                                  GLsizei count,
+                                  const GLchar *const *strings)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateCreateShaderProgramvBase(context, entryPoint, typePacked, count, strings);
+}
+
+bool ValidateDeleteProgramPipelines(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const ProgramPipelineID *pipelinesPacked)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateDeleteProgramPipelinesBase(context, entryPoint, n, pipelinesPacked);
+}
+
+bool ValidateGenProgramPipelines(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const ProgramPipelineID *pipelinesPacked)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateGenProgramPipelinesBase(context, entryPoint, n, pipelinesPacked);
+}
+
+bool ValidateGetProgramPipelineInfoLog(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ProgramPipelineID pipelinePacked,
+                                       GLsizei bufSize,
+                                       const GLsizei *length,
+                                       const GLchar *infoLog)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateGetProgramPipelineInfoLogBase(context, entryPoint, pipelinePacked, bufSize,
+                                                 length, infoLog);
+}
+
+bool ValidateGetProgramPipelineiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProgramPipelineID pipelinePacked,
+                                  GLenum pname,
+                                  const GLint *params)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateGetProgramPipelineivBase(context, entryPoint, pipelinePacked, pname, params);
+}
+
+bool ValidateIsProgramPipeline(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ProgramPipelineID pipelinePacked)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateIsProgramPipelineBase(context, entryPoint, pipelinePacked);
+}
+
+bool ValidateProgramUniform1f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform1fBase(context, entryPoint, programPacked, locationPacked, v0);
+}
+
+bool ValidateProgramUniform1fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform1fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform1i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform1iBase(context, entryPoint, programPacked, locationPacked, v0);
+}
+
+bool ValidateProgramUniform1iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform1ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform1ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform1uiBase(context, entryPoint, programPacked, locationPacked, v0);
+}
+
+bool ValidateProgramUniform1uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform1uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniform2f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0,
+                              GLfloat v1)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform2fBase(context, entryPoint, programPacked, locationPacked, v0, v1);
+}
+
+bool ValidateProgramUniform2fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform2fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform2i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0,
+                              GLint v1)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform2iBase(context, entryPoint, programPacked, locationPacked, v0, v1);
+}
+
+bool ValidateProgramUniform2iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform2ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform2ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0,
+                               GLuint v1)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform2uiBase(context, entryPoint, programPacked, locationPacked, v0,
+                                         v1);
+}
+
+bool ValidateProgramUniform2uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform2uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniform3f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0,
+                              GLfloat v1,
+                              GLfloat v2)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform3fBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2);
+}
+
+bool ValidateProgramUniform3fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform3fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform3i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0,
+                              GLint v1,
+                              GLint v2)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform3iBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2);
+}
+
+bool ValidateProgramUniform3iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform3ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform3ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0,
+                               GLuint v1,
+                               GLuint v2)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform3uiBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                         v2);
+}
+
+bool ValidateProgramUniform3uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform3uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniform4f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0,
+                              GLfloat v1,
+                              GLfloat v2,
+                              GLfloat v3)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform4fBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2, v3);
+}
+
+bool ValidateProgramUniform4fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform4fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform4i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0,
+                              GLint v1,
+                              GLint v2,
+                              GLint v3)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform4iBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2, v3);
+}
+
+bool ValidateProgramUniform4iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform4ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform4ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0,
+                               GLuint v1,
+                               GLuint v2,
+                               GLuint v3)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform4uiBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                         v2, v3);
+}
+
+bool ValidateProgramUniform4uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniform4uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniformMatrix2fv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix2fvBase(context, entryPoint, programPacked, locationPacked,
+                                               count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix2x3fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix2x3fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix2x4fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix2x4fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix3fv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix3fvBase(context, entryPoint, programPacked, locationPacked,
+                                               count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix3x2fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix3x2fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix3x4fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix3x4fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix4fv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix4fvBase(context, entryPoint, programPacked, locationPacked,
+                                               count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix4x2fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix4x2fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix4x3fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix4x3fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateUseProgramStages(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ProgramPipelineID pipelinePacked,
+                              GLbitfield stages,
+                              ShaderProgramID programPacked)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateUseProgramStagesBase(context, entryPoint, pipelinePacked, stages, programPacked);
+}
+
+bool ValidateValidateProgramPipeline(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipelinePacked)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateValidateProgramPipelineBase(context, entryPoint, pipelinePacked);
+}
+
+bool ValidateMemoryBarrier(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLbitfield barriers)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    if (barriers == GL_ALL_BARRIER_BITS)
+    {
+        return true;
+    }
+
+    GLbitfield supported_barrier_bits =
+        GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT | GL_ELEMENT_ARRAY_BARRIER_BIT | GL_UNIFORM_BARRIER_BIT |
+        GL_TEXTURE_FETCH_BARRIER_BIT | GL_SHADER_IMAGE_ACCESS_BARRIER_BIT | GL_COMMAND_BARRIER_BIT |
+        GL_PIXEL_BUFFER_BARRIER_BIT | GL_TEXTURE_UPDATE_BARRIER_BIT | GL_BUFFER_UPDATE_BARRIER_BIT |
+        GL_FRAMEBUFFER_BARRIER_BIT | GL_TRANSFORM_FEEDBACK_BARRIER_BIT |
+        GL_ATOMIC_COUNTER_BARRIER_BIT | GL_SHADER_STORAGE_BARRIER_BIT;
+
+    if (context->getExtensions().bufferStorageEXT)
+    {
+        supported_barrier_bits |= GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT_EXT;
+    }
+
+    if (barriers == 0 || (barriers & ~supported_barrier_bits) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMemoryBarrierBit);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateMemoryBarrierByRegion(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLbitfield barriers)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    if (barriers == GL_ALL_BARRIER_BITS)
+    {
+        return true;
+    }
+
+    GLbitfield supported_barrier_bits = GL_ATOMIC_COUNTER_BARRIER_BIT | GL_FRAMEBUFFER_BARRIER_BIT |
+                                        GL_SHADER_IMAGE_ACCESS_BARRIER_BIT |
+                                        GL_SHADER_STORAGE_BARRIER_BIT |
+                                        GL_TEXTURE_FETCH_BARRIER_BIT | GL_UNIFORM_BARRIER_BIT;
+    if (barriers == 0 || (barriers & ~supported_barrier_bits) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMemoryBarrierBit);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSampleMaski(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLuint maskNumber,
+                         GLbitfield mask)
+{
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+
+    return ValidateSampleMaskiBase(context, entryPoint, maskNumber, mask);
+}
+
+bool ValidateMinSampleShadingOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLfloat value)
+{
+    if (!context->getExtensions().sampleShadingOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferTextureCommon(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum target,
+                                      GLenum attachment,
+                                      TextureID texture,
+                                      GLint level)
+{
+    if (texture.value != 0)
+    {
+        Texture *tex = context->getTexture(texture);
+
+        // [EXT_geometry_shader] Section 9.2.8 "Attaching Texture Images to a Framebuffer"
+        // An INVALID_VALUE error is generated if <texture> is not the name of a texture object.
+        // We put this validation before ValidateFramebufferTextureBase because it is an
+        // INVALID_OPERATION error for both FramebufferTexture2D and FramebufferTextureLayer:
+        // [OpenGL ES 3.1] Chapter 9.2.8 (FramebufferTexture2D)
+        // An INVALID_OPERATION error is generated if texture is not zero, and does not name an
+        // existing texture object of type matching textarget.
+        // [OpenGL ES 3.1 Chapter 9.2.8 (FramebufferTextureLayer)
+        // An INVALID_OPERATION error is generated if texture is non-zero and is not the name of a
+        // three-dimensional or two-dimensional array texture.
+        if (tex == nullptr)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidTextureName);
+            return false;
+        }
+
+        if (!ValidMipLevel(context, tex->getType(), level))
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+            return false;
+        }
+
+        // GLES spec 3.1, Section 9.2.8 "Attaching Texture Images to a Framebuffer"
+        // If textarget is TEXTURE_2D_MULTISAMPLE, then level must be zero.
+        if (tex->getType() == TextureType::_2DMultisample && level != 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kLevelNotZero);
+            return false;
+        }
+
+        // [OES_texture_storage_multisample_2d_array] Section 9.2.2 "Attaching Images to Framebuffer
+        // Objects"
+        // If texture is a two-dimensional multisample array texture, then level must be zero.
+        if (context->getExtensions().textureStorageMultisample2dArrayOES &&
+            tex->getType() == TextureType::_2DMultisampleArray && level != 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kLevelNotZero);
+            return false;
+        }
+    }
+
+    if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferTextureEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum attachment,
+                                   TextureID texture,
+                                   GLint level)
+{
+    if (!context->getExtensions().geometryShaderEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kGeometryShaderExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateFramebufferTextureCommon(context, entryPoint, target, attachment, texture,
+                                            level);
+}
+
+bool ValidateFramebufferTextureOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum attachment,
+                                   TextureID texture,
+                                   GLint level)
+{
+    if (!context->getExtensions().geometryShaderOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kGeometryShaderExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateFramebufferTextureCommon(context, entryPoint, target, attachment, texture,
+                                            level);
+}
+
+// GL_OES_texture_storage_multisample_2d_array
+bool ValidateTexStorage3DMultisampleOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType target,
+                                        GLsizei samples,
+                                        GLenum sizedinternalformat,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        GLboolean fixedsamplelocations)
+{
+    if (!context->getExtensions().textureStorageMultisample2dArrayOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kMultisampleArrayExtensionRequired);
+        return false;
+    }
+
+    if (target != TextureType::_2DMultisampleArray)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM,
+                                 kTargetMustBeTexture2DMultisampleArrayOES);
+        return false;
+    }
+
+    if (width < 1 || height < 1 || depth < 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize);
+        return false;
+    }
+
+    if (depth > context->getCaps().maxArrayTextureLayers)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureDepthOutOfRange);
+        return false;
+    }
+
+    return ValidateTexStorageMultisample(context, entryPoint, target, samples, sizedinternalformat,
+                                         width, height);
+}
+
+bool ValidateTexStorageMem3DMultisampleEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType target,
+                                           GLsizei samples,
+                                           GLenum internalFormat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           GLboolean fixedSampleLocations,
+                                           MemoryObjectID memory,
+                                           GLuint64 offset)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetProgramResourceLocationIndexEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                ShaderProgramID program,
+                                                GLenum programInterface,
+                                                const char *name)
+{
+    if (!context->getExtensions().blendFuncExtendedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    if (context->getClientVersion() < ES_3_1)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES31Required);
+        return false;
+    }
+    if (programInterface != GL_PROGRAM_OUTPUT)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kProgramInterfaceMustBeProgramOutput);
+        return false;
+    }
+    Program *programObject = GetValidProgram(context, entryPoint, program);
+    if (!programObject)
+    {
+        return false;
+    }
+    if (!programObject->isLinked())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked);
+        return false;
+    }
+    return true;
+}
+
+// GL_OES_texture_buffer
+bool ValidateTexBufferOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType target,
+                          GLenum internalformat,
+                          BufferID bufferPacked)
+{
+    if (!context->getExtensions().textureBufferOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kTextureBufferExtensionNotAvailable);
+        return false;
+    }
+
+    return ValidateTexBufferBase(context, entryPoint, target, internalformat, bufferPacked);
+}
+
+bool ValidateTexBufferRangeOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType target,
+                               GLenum internalformat,
+                               BufferID bufferPacked,
+                               GLintptr offset,
+                               GLsizeiptr size)
+{
+    if (!context->getExtensions().textureBufferOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kTextureBufferExtensionNotAvailable);
+        return false;
+    }
+
+    return ValidateTexBufferRangeBase(context, entryPoint, target, internalformat, bufferPacked,
+                                      offset, size);
+}
+
+// GL_EXT_texture_buffer
+bool ValidateTexBufferEXT(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType target,
+                          GLenum internalformat,
+                          BufferID bufferPacked)
+{
+    if (!context->getExtensions().textureBufferEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kTextureBufferExtensionNotAvailable);
+        return false;
+    }
+
+    return ValidateTexBufferBase(context, entryPoint, target, internalformat, bufferPacked);
+}
+
+bool ValidateTexBufferRangeEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType target,
+                               GLenum internalformat,
+                               BufferID bufferPacked,
+                               GLintptr offset,
+                               GLsizeiptr size)
+{
+    if (!context->getExtensions().textureBufferEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kTextureBufferExtensionNotAvailable);
+        return false;
+    }
+
+    return ValidateTexBufferRangeBase(context, entryPoint, target, internalformat, bufferPacked,
+                                      offset, size);
+}
+
+bool ValidateTexBufferBase(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType target,
+                           GLenum internalformat,
+                           BufferID bufferPacked)
+{
+    if (target != TextureType::Buffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kTextureBufferTarget);
+        return false;
+    }
+
+    switch (internalformat)
+    {
+        case GL_R8:
+        case GL_R16F:
+        case GL_R32F:
+        case GL_R8I:
+        case GL_R16I:
+        case GL_R32I:
+        case GL_R8UI:
+        case GL_R16UI:
+        case GL_R32UI:
+        case GL_RG8:
+        case GL_RG16F:
+        case GL_RG32F:
+        case GL_RG8I:
+        case GL_RG16I:
+        case GL_RG32I:
+        case GL_RG8UI:
+        case GL_RG16UI:
+        case GL_RG32UI:
+        case GL_RGB32F:
+        case GL_RGB32I:
+        case GL_RGB32UI:
+        case GL_RGBA8:
+        case GL_RGBA16F:
+        case GL_RGBA32F:
+        case GL_RGBA8I:
+        case GL_RGBA16I:
+        case GL_RGBA32I:
+        case GL_RGBA8UI:
+        case GL_RGBA16UI:
+        case GL_RGBA32UI:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kTextureBufferInternalFormat);
+            return false;
+    }
+
+    if (bufferPacked.value != 0)
+    {
+        if (!context->isBufferGenerated(bufferPacked))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureBufferInvalidBuffer);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateTexBufferRangeBase(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target,
+                                GLenum internalformat,
+                                BufferID bufferPacked,
+                                GLintptr offset,
+                                GLsizeiptr size)
+{
+    const Caps &caps = context->getCaps();
+
+    if (offset < 0 || (offset % caps.textureBufferOffsetAlignment) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureBufferOffsetAlignment);
+        return false;
+    }
+    if (size <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureBufferSize);
+        return false;
+    }
+    const Buffer *buffer = context->getBuffer(bufferPacked);
+
+    if (!buffer)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound);
+        return false;
+    }
+
+    if (offset + size > buffer->getSize())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureBufferSizeOffset);
+        return false;
+    }
+
+    return ValidateTexBufferBase(context, entryPoint, target, internalformat, bufferPacked);
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationES31.h b/gfx/angle/checkout/src/libANGLE/validationES31.h
new file mode 100644
index 0000000000..c41cedf0da
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES31.h
@@ -0,0 +1,300 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES31.h:
+//  Inlined validation functions for OpenGL ES 3.1 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES31_H_
+#define LIBANGLE_VALIDATION_ES31_H_
+
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/validationES31_autogen.h"
+
+namespace gl
+{
+
+bool ValidateTexBufferBase(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureType target,
+                           GLenum internalformat,
+                           BufferID bufferPacked);
+bool ValidateTexBufferRangeBase(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target,
+                                GLenum internalformat,
+                                BufferID bufferPacked,
+                                GLintptr offset,
+                                GLsizeiptr size);
+
+// GL_EXT_multi_draw_indirect
+bool ValidateMultiDrawIndirectBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei drawcount,
+                                   GLsizei stride);
+
+// GL_EXT_separate_shader_objects
+bool ValidateActiveShaderProgramBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipelinePacked,
+                                     ShaderProgramID programPacked);
+bool ValidateBindProgramPipelineBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipelinePacked);
+bool ValidateCreateShaderProgramvBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderType typePacked,
+                                      GLsizei count,
+                                      const GLchar **strings);
+bool ValidateDeleteProgramPipelinesBase(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLsizei n,
+                                        const ProgramPipelineID *pipelinesPacked);
+bool ValidateGenProgramPipelinesBase(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLsizei n,
+                                     const ProgramPipelineID *pipelinesPacked);
+bool ValidateGetProgramPipelineInfoLogBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ProgramPipelineID pipelinePacked,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           const GLchar *infoLog);
+bool ValidateGetProgramPipelineivBase(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ProgramPipelineID pipelinePacked,
+                                      GLenum pname,
+                                      const GLint *params);
+bool ValidateIsProgramPipelineBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ProgramPipelineID pipelinePacked);
+bool ValidateProgramParameteriBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   GLenum pname,
+                                   GLint value);
+bool ValidateProgramUniform1fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLfloat v0);
+bool ValidateProgramUniform1fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLfloat *value);
+bool ValidateProgramUniform1iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLint v0);
+bool ValidateProgramUniform1ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLint *value);
+bool ValidateProgramUniform1uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLuint v0);
+bool ValidateProgramUniform1uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLuint *value);
+bool ValidateProgramUniform2fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLfloat v0,
+                                  GLfloat v1);
+bool ValidateProgramUniform2fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLfloat *value);
+bool ValidateProgramUniform2iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLint v0,
+                                  GLint v1);
+bool ValidateProgramUniform2ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLint *value);
+bool ValidateProgramUniform2uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLuint v0,
+                                   GLuint v1);
+bool ValidateProgramUniform2uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLuint *value);
+bool ValidateProgramUniform3fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLfloat v0,
+                                  GLfloat v1,
+                                  GLfloat v2);
+bool ValidateProgramUniform3fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLfloat *value);
+bool ValidateProgramUniform3iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLint v0,
+                                  GLint v1,
+                                  GLint v2);
+bool ValidateProgramUniform3ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLint *value);
+bool ValidateProgramUniform3uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLuint v0,
+                                   GLuint v1,
+                                   GLuint v2);
+bool ValidateProgramUniform3uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLuint *value);
+bool ValidateProgramUniform4fBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLfloat v0,
+                                  GLfloat v1,
+                                  GLfloat v2,
+                                  GLfloat v3);
+bool ValidateProgramUniform4fvBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLfloat *value);
+bool ValidateProgramUniform4iBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLint v0,
+                                  GLint v1,
+                                  GLint v2,
+                                  GLint v3);
+bool ValidateProgramUniform4ivBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLint *value);
+bool ValidateProgramUniform4uiBase(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLuint v0,
+                                   GLuint v1,
+                                   GLuint v2,
+                                   GLuint v3);
+bool ValidateProgramUniform4uivBase(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID programPacked,
+                                    UniformLocation locationPacked,
+                                    GLsizei count,
+                                    const GLuint *value);
+bool ValidateProgramUniformMatrix2fvBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID programPacked,
+                                         UniformLocation locationPacked,
+                                         GLsizei count,
+                                         GLboolean transpose,
+                                         const GLfloat *value);
+bool ValidateProgramUniformMatrix2x3fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+bool ValidateProgramUniformMatrix2x4fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+bool ValidateProgramUniformMatrix3fvBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID programPacked,
+                                         UniformLocation locationPacked,
+                                         GLsizei count,
+                                         GLboolean transpose,
+                                         const GLfloat *value);
+bool ValidateProgramUniformMatrix3x2fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+bool ValidateProgramUniformMatrix3x4fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+bool ValidateProgramUniformMatrix4fvBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID programPacked,
+                                         UniformLocation locationPacked,
+                                         GLsizei count,
+                                         GLboolean transpose,
+                                         const GLfloat *value);
+bool ValidateProgramUniformMatrix4x2fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+bool ValidateProgramUniformMatrix4x3fvBase(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           ShaderProgramID programPacked,
+                                           UniformLocation locationPacked,
+                                           GLsizei count,
+                                           GLboolean transpose,
+                                           const GLfloat *value);
+bool ValidateUseProgramStagesBase(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProgramPipelineID pipelinePacked,
+                                  GLbitfield stages,
+                                  ShaderProgramID programPacked);
+bool ValidateValidateProgramPipelineBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ProgramPipelineID pipelinePacked);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES31_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES31_autogen.h b/gfx/angle/checkout/src/libANGLE/validationES31_autogen.h
new file mode 100644
index 0000000000..3e2adb50d0
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES31_autogen.h
@@ -0,0 +1,415 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES31_autogen.h:
+//   Validation functions for the OpenGL ES 3.1 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES31_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_ES31_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+bool ValidateActiveShaderProgram(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ProgramPipelineID pipelinePacked,
+                                 ShaderProgramID programPacked);
+bool ValidateBindImageTexture(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint unit,
+                              TextureID texturePacked,
+                              GLint level,
+                              GLboolean layered,
+                              GLint layer,
+                              GLenum access,
+                              GLenum format);
+bool ValidateBindProgramPipeline(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ProgramPipelineID pipelinePacked);
+bool ValidateBindVertexBuffer(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint bindingindex,
+                              BufferID bufferPacked,
+                              GLintptr offset,
+                              GLsizei stride);
+bool ValidateCreateShaderProgramv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderType typePacked,
+                                  GLsizei count,
+                                  const GLchar *const *strings);
+bool ValidateDeleteProgramPipelines(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const ProgramPipelineID *pipelinesPacked);
+bool ValidateDispatchCompute(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint num_groups_x,
+                             GLuint num_groups_y,
+                             GLuint num_groups_z);
+bool ValidateDispatchComputeIndirect(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLintptr indirect);
+bool ValidateDrawArraysIndirect(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                PrimitiveMode modePacked,
+                                const void *indirect);
+bool ValidateDrawElementsIndirect(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  PrimitiveMode modePacked,
+                                  DrawElementsType typePacked,
+                                  const void *indirect);
+bool ValidateFramebufferParameteri(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum pname,
+                                   GLint param);
+bool ValidateGenProgramPipelines(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const ProgramPipelineID *pipelinesPacked);
+bool ValidateGetBooleani_v(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index,
+                           const GLboolean *data);
+bool ValidateGetFramebufferParameteriv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum pname,
+                                       const GLint *params);
+bool ValidateGetMultisamplefv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              GLuint index,
+                              const GLfloat *val);
+bool ValidateGetProgramInterfaceiv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   GLenum programInterface,
+                                   GLenum pname,
+                                   const GLint *params);
+bool ValidateGetProgramPipelineInfoLog(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ProgramPipelineID pipelinePacked,
+                                       GLsizei bufSize,
+                                       const GLsizei *length,
+                                       const GLchar *infoLog);
+bool ValidateGetProgramPipelineiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProgramPipelineID pipelinePacked,
+                                  GLenum pname,
+                                  const GLint *params);
+bool ValidateGetProgramResourceIndex(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     GLenum programInterface,
+                                     const GLchar *name);
+bool ValidateGetProgramResourceLocation(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID programPacked,
+                                        GLenum programInterface,
+                                        const GLchar *name);
+bool ValidateGetProgramResourceName(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID programPacked,
+                                    GLenum programInterface,
+                                    GLuint index,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLchar *name);
+bool ValidateGetProgramResourceiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  GLenum programInterface,
+                                  GLuint index,
+                                  GLsizei propCount,
+                                  const GLenum *props,
+                                  GLsizei count,
+                                  const GLsizei *length,
+                                  const GLint *params);
+bool ValidateGetTexLevelParameterfv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureTarget targetPacked,
+                                    GLint level,
+                                    GLenum pname,
+                                    const GLfloat *params);
+bool ValidateGetTexLevelParameteriv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureTarget targetPacked,
+                                    GLint level,
+                                    GLenum pname,
+                                    const GLint *params);
+bool ValidateIsProgramPipeline(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ProgramPipelineID pipelinePacked);
+bool ValidateMemoryBarrier(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLbitfield barriers);
+bool ValidateMemoryBarrierByRegion(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLbitfield barriers);
+bool ValidateProgramUniform1f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0);
+bool ValidateProgramUniform1fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value);
+bool ValidateProgramUniform1i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0);
+bool ValidateProgramUniform1iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value);
+bool ValidateProgramUniform1ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0);
+bool ValidateProgramUniform1uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value);
+bool ValidateProgramUniform2f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0,
+                              GLfloat v1);
+bool ValidateProgramUniform2fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value);
+bool ValidateProgramUniform2i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0,
+                              GLint v1);
+bool ValidateProgramUniform2iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value);
+bool ValidateProgramUniform2ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0,
+                               GLuint v1);
+bool ValidateProgramUniform2uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value);
+bool ValidateProgramUniform3f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0,
+                              GLfloat v1,
+                              GLfloat v2);
+bool ValidateProgramUniform3fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value);
+bool ValidateProgramUniform3i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0,
+                              GLint v1,
+                              GLint v2);
+bool ValidateProgramUniform3iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value);
+bool ValidateProgramUniform3ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0,
+                               GLuint v1,
+                               GLuint v2);
+bool ValidateProgramUniform3uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value);
+bool ValidateProgramUniform4f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLfloat v0,
+                              GLfloat v1,
+                              GLfloat v2,
+                              GLfloat v3);
+bool ValidateProgramUniform4fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLfloat *value);
+bool ValidateProgramUniform4i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLint v0,
+                              GLint v1,
+                              GLint v2,
+                              GLint v3);
+bool ValidateProgramUniform4iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLint *value);
+bool ValidateProgramUniform4ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLuint v0,
+                               GLuint v1,
+                               GLuint v2,
+                               GLuint v3);
+bool ValidateProgramUniform4uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                const GLuint *value);
+bool ValidateProgramUniformMatrix2fv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value);
+bool ValidateProgramUniformMatrix2x3fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value);
+bool ValidateProgramUniformMatrix2x4fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value);
+bool ValidateProgramUniformMatrix3fv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value);
+bool ValidateProgramUniformMatrix3x2fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value);
+bool ValidateProgramUniformMatrix3x4fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value);
+bool ValidateProgramUniformMatrix4fv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLfloat *value);
+bool ValidateProgramUniformMatrix4x2fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value);
+bool ValidateProgramUniformMatrix4x3fv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLfloat *value);
+bool ValidateSampleMaski(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLuint maskNumber,
+                         GLbitfield mask);
+bool ValidateTexStorage2DMultisample(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureType targetPacked,
+                                     GLsizei samples,
+                                     GLenum internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLboolean fixedsamplelocations);
+bool ValidateUseProgramStages(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ProgramPipelineID pipelinePacked,
+                              GLbitfield stages,
+                              ShaderProgramID programPacked);
+bool ValidateValidateProgramPipeline(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipelinePacked);
+bool ValidateVertexAttribBinding(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint attribindex,
+                                 GLuint bindingindex);
+bool ValidateVertexAttribFormat(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint attribindex,
+                                GLint size,
+                                VertexAttribType typePacked,
+                                GLboolean normalized,
+                                GLuint relativeoffset);
+bool ValidateVertexAttribIFormat(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint attribindex,
+                                 GLint size,
+                                 VertexAttribType typePacked,
+                                 GLuint relativeoffset);
+bool ValidateVertexBindingDivisor(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint bindingindex,
+                                  GLuint divisor);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES31_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES32.cpp b/gfx/angle/checkout/src/libANGLE/validationES32.cpp
new file mode 100644
index 0000000000..b7d412393b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES32.cpp
@@ -0,0 +1,628 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationES32.cpp: Validation functions for OpenGL ES 3.2 entry point parameters
+
+#include "libANGLE/validationES32_autogen.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/Framebuffer.h"
+#include "libANGLE/VertexArray.h"
+#include "libANGLE/validationES.h"
+#include "libANGLE/validationES2_autogen.h"
+#include "libANGLE/validationES31.h"
+#include "libANGLE/validationES31_autogen.h"
+#include "libANGLE/validationES3_autogen.h"
+
+#include "common/utilities.h"
+
+using namespace angle;
+
+namespace gl
+{
+using namespace err;
+
+bool ValidateBlendBarrier(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateBlendEquationSeparatei(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint buf,
+                                    GLenum modeRGB,
+                                    GLenum modeAlpha)
+{
+    if (buf >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxDrawBuffers);
+        return false;
+    }
+
+    if (!ValidateBlendEquationSeparate(context, entryPoint, modeRGB, modeAlpha))
+    {
+        // error already generated
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBlendEquationi(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint buf,
+                            GLenum mode)
+{
+    if (buf >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxDrawBuffers);
+        return false;
+    }
+
+    if (!ValidateBlendEquation(context, entryPoint, mode))
+    {
+        // error already generated
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBlendFuncSeparatei(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint buf,
+                                GLenum srcRGB,
+                                GLenum dstRGB,
+                                GLenum srcAlpha,
+                                GLenum dstAlpha)
+{
+    if (buf >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxDrawBuffers);
+        return false;
+    }
+
+    if (!ValidateBlendFuncSeparate(context, entryPoint, srcRGB, dstRGB, srcAlpha, dstAlpha))
+    {
+        // error already generated
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateBlendFunci(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLuint buf,
+                        GLenum src,
+                        GLenum dst)
+{
+    if (buf >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxDrawBuffers);
+        return false;
+    }
+
+    if (!ValidateBlendFunc(context, entryPoint, src, dst))
+    {
+        // error already generated
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateColorMaski(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLuint index,
+                        GLboolean r,
+                        GLboolean g,
+                        GLboolean b,
+                        GLboolean a)
+{
+    if (index >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyImageSubData(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint srcName,
+                              GLenum srcTarget,
+                              GLint srcLevel,
+                              GLint srcX,
+                              GLint srcY,
+                              GLint srcZ,
+                              GLuint dstName,
+                              GLenum dstTarget,
+                              GLint dstLevel,
+                              GLint dstX,
+                              GLint dstY,
+                              GLint dstZ,
+                              GLsizei srcWidth,
+                              GLsizei srcHeight,
+                              GLsizei srcDepth)
+{
+    if (context->getClientVersion() < ES_3_2)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES32Required);
+        return false;
+    }
+
+    return ValidateCopyImageSubDataBase(context, entryPoint, srcName, srcTarget, srcLevel, srcX,
+                                        srcY, srcZ, dstName, dstTarget, dstLevel, dstX, dstY, dstZ,
+                                        srcWidth, srcHeight, srcDepth);
+}
+
+bool ValidateDebugMessageCallback(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLDEBUGPROC callback,
+                                  const void *userParam)
+{
+    return true;
+}
+
+bool ValidateDebugMessageControl(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum source,
+                                 GLenum type,
+                                 GLenum severity,
+                                 GLsizei count,
+                                 const GLuint *ids,
+                                 GLboolean enabled)
+{
+    return true;
+}
+
+bool ValidateDebugMessageInsert(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum source,
+                                GLenum type,
+                                GLuint id,
+                                GLenum severity,
+                                GLsizei length,
+                                const GLchar *buf)
+{
+    return true;
+}
+
+bool ValidateDisablei(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLuint index)
+{
+    switch (target)
+    {
+        case GL_BLEND:
+            if (index >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+                return false;
+            }
+            break;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+            return false;
+    }
+    return true;
+}
+
+bool ValidateDrawElementsBaseVertex(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode mode,
+                                    GLsizei count,
+                                    DrawElementsType type,
+                                    const void *indices,
+                                    GLint basevertex)
+{
+    return ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 1);
+}
+
+bool ValidateDrawElementsInstancedBaseVertex(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             PrimitiveMode mode,
+                                             GLsizei count,
+                                             DrawElementsType type,
+                                             const void *indices,
+                                             GLsizei instancecount,
+                                             GLint basevertex)
+{
+    return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                             instancecount);
+}
+
+bool ValidateDrawRangeElementsBaseVertex(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         PrimitiveMode mode,
+                                         GLuint start,
+                                         GLuint end,
+                                         GLsizei count,
+                                         DrawElementsType type,
+                                         const void *indices,
+                                         GLint basevertex)
+{
+    if (end < start)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidElementRange);
+        return false;
+    }
+
+    if (!ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 0))
+    {
+        return false;
+    }
+
+    // Skip range checks for no-op calls.
+    if (count <= 0)
+    {
+        return true;
+    }
+
+    return true;
+}
+
+bool ValidateEnablei(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum target,
+                     GLuint index)
+{
+    switch (target)
+    {
+        case GL_BLEND:
+            if (index >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+                return false;
+            }
+            break;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+            return false;
+    }
+    return true;
+}
+
+bool ValidateFramebufferTexture(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum target,
+                                GLenum attachment,
+                                TextureID texture,
+                                GLint level)
+{
+    return true;
+}
+
+bool ValidateGetDebugMessageLog(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint count,
+                                GLsizei bufSize,
+                                const GLenum *sources,
+                                const GLenum *types,
+                                const GLuint *ids,
+                                const GLenum *severities,
+                                const GLsizei *lengths,
+                                const GLchar *messageLog)
+{
+    return true;
+}
+
+bool ValidateGetGraphicsResetStatus(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateGetObjectLabel(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum identifier,
+                            GLuint name,
+                            GLsizei bufSize,
+                            const GLsizei *length,
+                            const GLchar *label)
+{
+    return true;
+}
+
+bool ValidateGetObjectPtrLabel(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const void *ptr,
+                               GLsizei bufSize,
+                               const GLsizei *length,
+                               const GLchar *label)
+{
+    return true;
+}
+
+bool ValidateGetPointerv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         void *const *params)
+{
+    Version clientVersion = context->getClientVersion();
+
+    if ((clientVersion == ES_1_0) || (clientVersion == ES_1_1))
+    {
+        switch (pname)
+        {
+            case GL_VERTEX_ARRAY_POINTER:
+            case GL_NORMAL_ARRAY_POINTER:
+            case GL_COLOR_ARRAY_POINTER:
+            case GL_TEXTURE_COORD_ARRAY_POINTER:
+            case GL_POINT_SIZE_ARRAY_POINTER_OES:
+                return true;
+            default:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPointerQuery);
+                return false;
+        }
+    }
+    else if (clientVersion == ES_3_2)
+    {
+        switch (pname)
+        {
+            case GL_DEBUG_CALLBACK_FUNCTION:
+            case GL_DEBUG_CALLBACK_USER_PARAM:
+                return true;
+            default:
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPointerQuery);
+                return false;
+        }
+    }
+    else
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES1or32Required);
+        return false;
+    }
+}
+
+bool ValidateGetSamplerParameterIiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    SamplerID sampler,
+                                    GLenum pname,
+                                    const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetSamplerParameterIuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID sampler,
+                                     GLenum pname,
+                                     const GLuint *params)
+{
+    return true;
+}
+
+bool ValidateGetTexParameterIiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType targetPacked,
+                                GLenum pname,
+                                const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetTexParameterIuiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType targetPacked,
+                                 GLenum pname,
+                                 const GLuint *params)
+{
+    return true;
+}
+
+bool ValidateGetnUniformfv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID program,
+                           UniformLocation location,
+                           GLsizei bufSize,
+                           const GLfloat *params)
+{
+    return ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, nullptr);
+}
+
+bool ValidateGetnUniformiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID program,
+                           UniformLocation location,
+                           GLsizei bufSize,
+                           const GLint *params)
+{
+    return ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, nullptr);
+}
+
+bool ValidateGetnUniformuiv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            ShaderProgramID program,
+                            UniformLocation location,
+                            GLsizei bufSize,
+                            const GLuint *params)
+{
+    return ValidateSizedGetUniform(context, entryPoint, program, location, bufSize, nullptr);
+}
+
+bool ValidateIsEnabledi(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLuint index)
+{
+    switch (target)
+    {
+        case GL_BLEND:
+            if (index >= static_cast<GLuint>(context->getCaps().maxDrawBuffers))
+            {
+                context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer);
+                return false;
+            }
+            break;
+        default:
+            context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target);
+            return false;
+    }
+    return true;
+}
+
+bool ValidateMinSampleShading(const Context *context, angle::EntryPoint entryPoint, GLfloat value)
+{
+    return true;
+}
+
+bool ValidateObjectLabel(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum identifier,
+                         GLuint name,
+                         GLsizei length,
+                         const GLchar *label)
+{
+    return true;
+}
+
+bool ValidateObjectPtrLabel(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            const void *ptr,
+                            GLsizei length,
+                            const GLchar *label)
+{
+    return true;
+}
+
+bool ValidatePatchParameteri(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum pname,
+                             GLint value)
+{
+    return true;
+}
+
+bool ValidatePopDebugGroup(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidatePrimitiveBoundingBox(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLfloat minX,
+                                  GLfloat minY,
+                                  GLfloat minZ,
+                                  GLfloat minW,
+                                  GLfloat maxX,
+                                  GLfloat maxY,
+                                  GLfloat maxZ,
+                                  GLfloat maxW)
+{
+    return true;
+}
+
+bool ValidatePushDebugGroup(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum source,
+                            GLuint id,
+                            GLsizei length,
+                            const GLchar *message)
+{
+    return true;
+}
+
+bool ValidateReadnPixels(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLsizei width,
+                         GLsizei height,
+                         GLenum format,
+                         GLenum type,
+                         GLsizei bufSize,
+                         const void *data)
+{
+    return true;
+}
+
+bool ValidateSamplerParameterIiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 SamplerID sampler,
+                                 GLenum pname,
+                                 const GLint *param)
+{
+    return true;
+}
+
+bool ValidateSamplerParameterIuiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  SamplerID sampler,
+                                  GLenum pname,
+                                  const GLuint *param)
+{
+    return true;
+}
+
+bool ValidateTexBuffer(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       TextureType target,
+                       GLenum internalformat,
+                       BufferID buffer)
+{
+    if (context->getClientVersion() < ES_3_2)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES32Required);
+        return false;
+    }
+
+    return ValidateTexBufferBase(context, entryPoint, target, internalformat, buffer);
+}
+
+bool ValidateTexBufferRange(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType target,
+                            GLenum internalformat,
+                            BufferID buffer,
+                            GLintptr offset,
+                            GLsizeiptr size)
+{
+    if (context->getClientVersion() < ES_3_2)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES32Required);
+        return false;
+    }
+
+    return ValidateTexBufferRangeBase(context, entryPoint, target, internalformat, buffer, offset,
+                                      size);
+}
+
+bool ValidateTexParameterIiv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureType targetPacked,
+                             GLenum pname,
+                             const GLint *params)
+{
+    return true;
+}
+
+bool ValidateTexParameterIuiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureType targetPacked,
+                              GLenum pname,
+                              const GLuint *params)
+{
+    return true;
+}
+
+bool ValidateTexStorage3DMultisample(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureType targetPacked,
+                                     GLsizei samples,
+                                     GLenum internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLboolean fixedsamplelocations)
+{
+    return true;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationES32.h b/gfx/angle/checkout/src/libANGLE/validationES32.h
new file mode 100644
index 0000000000..674bc81d06
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES32.h
@@ -0,0 +1,20 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES32.h:
+//  Inlined validation functions for OpenGL ES 3.2 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES32_H_
+#define LIBANGLE_VALIDATION_ES32_H_
+
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/validationES32_autogen.h"
+
+namespace gl
+{
+// Nothing here yet.
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES32_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES32_autogen.h b/gfx/angle/checkout/src/libANGLE/validationES32_autogen.h
new file mode 100644
index 0000000000..171f94d55c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES32_autogen.h
@@ -0,0 +1,281 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES32_autogen.h:
+//   Validation functions for the OpenGL ES 3.2 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES32_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_ES32_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+bool ValidateBlendBarrier(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateBlendEquationSeparatei(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint buf,
+                                    GLenum modeRGB,
+                                    GLenum modeAlpha);
+bool ValidateBlendEquationi(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint buf,
+                            GLenum mode);
+bool ValidateBlendFuncSeparatei(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint buf,
+                                GLenum srcRGB,
+                                GLenum dstRGB,
+                                GLenum srcAlpha,
+                                GLenum dstAlpha);
+bool ValidateBlendFunci(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLuint buf,
+                        GLenum src,
+                        GLenum dst);
+bool ValidateColorMaski(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLuint index,
+                        GLboolean r,
+                        GLboolean g,
+                        GLboolean b,
+                        GLboolean a);
+bool ValidateCopyImageSubData(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint srcName,
+                              GLenum srcTarget,
+                              GLint srcLevel,
+                              GLint srcX,
+                              GLint srcY,
+                              GLint srcZ,
+                              GLuint dstName,
+                              GLenum dstTarget,
+                              GLint dstLevel,
+                              GLint dstX,
+                              GLint dstY,
+                              GLint dstZ,
+                              GLsizei srcWidth,
+                              GLsizei srcHeight,
+                              GLsizei srcDepth);
+bool ValidateDebugMessageCallback(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLDEBUGPROC callback,
+                                  const void *userParam);
+bool ValidateDebugMessageControl(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum source,
+                                 GLenum type,
+                                 GLenum severity,
+                                 GLsizei count,
+                                 const GLuint *ids,
+                                 GLboolean enabled);
+bool ValidateDebugMessageInsert(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum source,
+                                GLenum type,
+                                GLuint id,
+                                GLenum severity,
+                                GLsizei length,
+                                const GLchar *buf);
+bool ValidateDisablei(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLuint index);
+bool ValidateDrawElementsBaseVertex(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode modePacked,
+                                    GLsizei count,
+                                    DrawElementsType typePacked,
+                                    const void *indices,
+                                    GLint basevertex);
+bool ValidateDrawElementsInstancedBaseVertex(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             PrimitiveMode modePacked,
+                                             GLsizei count,
+                                             DrawElementsType typePacked,
+                                             const void *indices,
+                                             GLsizei instancecount,
+                                             GLint basevertex);
+bool ValidateDrawRangeElementsBaseVertex(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         PrimitiveMode modePacked,
+                                         GLuint start,
+                                         GLuint end,
+                                         GLsizei count,
+                                         DrawElementsType typePacked,
+                                         const void *indices,
+                                         GLint basevertex);
+bool ValidateEnablei(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum target,
+                     GLuint index);
+bool ValidateFramebufferTexture(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum target,
+                                GLenum attachment,
+                                TextureID texturePacked,
+                                GLint level);
+bool ValidateGetDebugMessageLog(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint count,
+                                GLsizei bufSize,
+                                const GLenum *sources,
+                                const GLenum *types,
+                                const GLuint *ids,
+                                const GLenum *severities,
+                                const GLsizei *lengths,
+                                const GLchar *messageLog);
+bool ValidateGetGraphicsResetStatus(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateGetObjectLabel(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum identifier,
+                            GLuint name,
+                            GLsizei bufSize,
+                            const GLsizei *length,
+                            const GLchar *label);
+bool ValidateGetObjectPtrLabel(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const void *ptr,
+                               GLsizei bufSize,
+                               const GLsizei *length,
+                               const GLchar *label);
+bool ValidateGetPointerv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         void *const *params);
+bool ValidateGetSamplerParameterIiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    SamplerID samplerPacked,
+                                    GLenum pname,
+                                    const GLint *params);
+bool ValidateGetSamplerParameterIuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID samplerPacked,
+                                     GLenum pname,
+                                     const GLuint *params);
+bool ValidateGetTexParameterIiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType targetPacked,
+                                GLenum pname,
+                                const GLint *params);
+bool ValidateGetTexParameterIuiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType targetPacked,
+                                 GLenum pname,
+                                 const GLuint *params);
+bool ValidateGetnUniformfv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID programPacked,
+                           UniformLocation locationPacked,
+                           GLsizei bufSize,
+                           const GLfloat *params);
+bool ValidateGetnUniformiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID programPacked,
+                           UniformLocation locationPacked,
+                           GLsizei bufSize,
+                           const GLint *params);
+bool ValidateGetnUniformuiv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            ShaderProgramID programPacked,
+                            UniformLocation locationPacked,
+                            GLsizei bufSize,
+                            const GLuint *params);
+bool ValidateIsEnabledi(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLuint index);
+bool ValidateMinSampleShading(const Context *context, angle::EntryPoint entryPoint, GLfloat value);
+bool ValidateObjectLabel(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum identifier,
+                         GLuint name,
+                         GLsizei length,
+                         const GLchar *label);
+bool ValidateObjectPtrLabel(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            const void *ptr,
+                            GLsizei length,
+                            const GLchar *label);
+bool ValidatePatchParameteri(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum pname,
+                             GLint value);
+bool ValidatePopDebugGroup(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePrimitiveBoundingBox(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLfloat minX,
+                                  GLfloat minY,
+                                  GLfloat minZ,
+                                  GLfloat minW,
+                                  GLfloat maxX,
+                                  GLfloat maxY,
+                                  GLfloat maxZ,
+                                  GLfloat maxW);
+bool ValidatePushDebugGroup(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum source,
+                            GLuint id,
+                            GLsizei length,
+                            const GLchar *message);
+bool ValidateReadnPixels(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLsizei width,
+                         GLsizei height,
+                         GLenum format,
+                         GLenum type,
+                         GLsizei bufSize,
+                         const void *data);
+bool ValidateSamplerParameterIiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 SamplerID samplerPacked,
+                                 GLenum pname,
+                                 const GLint *param);
+bool ValidateSamplerParameterIuiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  SamplerID samplerPacked,
+                                  GLenum pname,
+                                  const GLuint *param);
+bool ValidateTexBuffer(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       TextureType targetPacked,
+                       GLenum internalformat,
+                       BufferID bufferPacked);
+bool ValidateTexBufferRange(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            TextureType targetPacked,
+                            GLenum internalformat,
+                            BufferID bufferPacked,
+                            GLintptr offset,
+                            GLsizeiptr size);
+bool ValidateTexParameterIiv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureType targetPacked,
+                             GLenum pname,
+                             const GLint *params);
+bool ValidateTexParameterIuiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureType targetPacked,
+                              GLenum pname,
+                              const GLuint *params);
+bool ValidateTexStorage3DMultisample(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureType targetPacked,
+                                     GLsizei samples,
+                                     GLenum internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLboolean fixedsamplelocations);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES32_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationES3_autogen.h b/gfx/angle/checkout/src/libANGLE/validationES3_autogen.h
new file mode 100644
index 0000000000..10465c63f5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationES3_autogen.h
@@ -0,0 +1,578 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationES3_autogen.h:
+//   Validation functions for the OpenGL ES 3.0 entry points.
+
+#ifndef LIBANGLE_VALIDATION_ES3_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_ES3_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+bool ValidateBeginQuery(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        QueryType targetPacked,
+                        QueryID idPacked);
+bool ValidateBeginTransformFeedback(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode primitiveModePacked);
+bool ValidateBindBufferBase(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferBinding targetPacked,
+                            GLuint index,
+                            BufferID bufferPacked);
+bool ValidateBindBufferRange(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             BufferBinding targetPacked,
+                             GLuint index,
+                             BufferID bufferPacked,
+                             GLintptr offset,
+                             GLsizeiptr size);
+bool ValidateBindSampler(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLuint unit,
+                         SamplerID samplerPacked);
+bool ValidateBindTransformFeedback(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   TransformFeedbackID idPacked);
+bool ValidateBindVertexArray(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             VertexArrayID arrayPacked);
+bool ValidateBlitFramebuffer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLint srcX0,
+                             GLint srcY0,
+                             GLint srcX1,
+                             GLint srcY1,
+                             GLint dstX0,
+                             GLint dstY0,
+                             GLint dstX1,
+                             GLint dstY1,
+                             GLbitfield mask,
+                             GLenum filter);
+bool ValidateClearBufferfi(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum buffer,
+                           GLint drawbuffer,
+                           GLfloat depth,
+                           GLint stencil);
+bool ValidateClearBufferfv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum buffer,
+                           GLint drawbuffer,
+                           const GLfloat *value);
+bool ValidateClearBufferiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum buffer,
+                           GLint drawbuffer,
+                           const GLint *value);
+bool ValidateClearBufferuiv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum buffer,
+                            GLint drawbuffer,
+                            const GLuint *value);
+bool ValidateClientWaitSync(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsync sync,
+                            GLbitfield flags,
+                            GLuint64 timeout);
+bool ValidateCompressedTexImage3D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureTarget targetPacked,
+                                  GLint level,
+                                  GLenum internalformat,
+                                  GLsizei width,
+                                  GLsizei height,
+                                  GLsizei depth,
+                                  GLint border,
+                                  GLsizei imageSize,
+                                  const void *data);
+bool ValidateCompressedTexSubImage3D(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget targetPacked,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLint zoffset,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLenum format,
+                                     GLsizei imageSize,
+                                     const void *data);
+bool ValidateCopyBufferSubData(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               BufferBinding readTargetPacked,
+                               BufferBinding writeTargetPacked,
+                               GLintptr readOffset,
+                               GLintptr writeOffset,
+                               GLsizeiptr size);
+bool ValidateCopyTexSubImage3D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureTarget targetPacked,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint zoffset,
+                               GLint x,
+                               GLint y,
+                               GLsizei width,
+                               GLsizei height);
+bool ValidateDeleteQueries(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const QueryID *idsPacked);
+bool ValidateDeleteSamplers(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei count,
+                            const SamplerID *samplersPacked);
+bool ValidateDeleteSync(const Context *context, angle::EntryPoint entryPoint, GLsync sync);
+bool ValidateDeleteTransformFeedbacks(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLsizei n,
+                                      const TransformFeedbackID *idsPacked);
+bool ValidateDeleteVertexArrays(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const VertexArrayID *arraysPacked);
+bool ValidateDrawArraysInstanced(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 PrimitiveMode modePacked,
+                                 GLint first,
+                                 GLsizei count,
+                                 GLsizei instancecount);
+bool ValidateDrawBuffers(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLsizei n,
+                         const GLenum *bufs);
+bool ValidateDrawElementsInstanced(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   PrimitiveMode modePacked,
+                                   GLsizei count,
+                                   DrawElementsType typePacked,
+                                   const void *indices,
+                                   GLsizei instancecount);
+bool ValidateDrawRangeElements(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               PrimitiveMode modePacked,
+                               GLuint start,
+                               GLuint end,
+                               GLsizei count,
+                               DrawElementsType typePacked,
+                               const void *indices);
+bool ValidateEndQuery(const Context *context, angle::EntryPoint entryPoint, QueryType targetPacked);
+bool ValidateEndTransformFeedback(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateFenceSync(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum condition,
+                       GLbitfield flags);
+bool ValidateFlushMappedBufferRange(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferBinding targetPacked,
+                                    GLintptr offset,
+                                    GLsizeiptr length);
+bool ValidateFramebufferTextureLayer(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     TextureID texturePacked,
+                                     GLint level,
+                                     GLint layer);
+bool ValidateGenQueries(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLsizei n,
+                        const QueryID *idsPacked);
+bool ValidateGenSamplers(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLsizei count,
+                         const SamplerID *samplersPacked);
+bool ValidateGenTransformFeedbacks(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const TransformFeedbackID *idsPacked);
+bool ValidateGenVertexArrays(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLsizei n,
+                             const VertexArrayID *arraysPacked);
+bool ValidateGetActiveUniformBlockName(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformBlockIndex uniformBlockIndexPacked,
+                                       GLsizei bufSize,
+                                       const GLsizei *length,
+                                       const GLchar *uniformBlockName);
+bool ValidateGetActiveUniformBlockiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformBlockIndex uniformBlockIndexPacked,
+                                     GLenum pname,
+                                     const GLint *params);
+bool ValidateGetActiveUniformsiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 GLsizei uniformCount,
+                                 const GLuint *uniformIndices,
+                                 GLenum pname,
+                                 const GLint *params);
+bool ValidateGetBufferParameteri64v(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferBinding targetPacked,
+                                    GLenum pname,
+                                    const GLint64 *params);
+bool ValidateGetBufferPointerv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               BufferBinding targetPacked,
+                               GLenum pname,
+                               void *const *params);
+bool ValidateGetFragDataLocation(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 const GLchar *name);
+bool ValidateGetInteger64i_v(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLuint index,
+                             const GLint64 *data);
+bool ValidateGetInteger64v(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum pname,
+                           const GLint64 *data);
+bool ValidateGetIntegeri_v(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index,
+                           const GLint *data);
+bool ValidateGetInternalformativ(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 GLenum internalformat,
+                                 GLenum pname,
+                                 GLsizei count,
+                                 const GLint *params);
+bool ValidateGetProgramBinary(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              GLsizei bufSize,
+                              const GLsizei *length,
+                              const GLenum *binaryFormat,
+                              const void *binary);
+bool ValidateGetQueryObjectuiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               QueryID idPacked,
+                               GLenum pname,
+                               const GLuint *params);
+bool ValidateGetQueryiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        QueryType targetPacked,
+                        GLenum pname,
+                        const GLint *params);
+bool ValidateGetSamplerParameterfv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   SamplerID samplerPacked,
+                                   GLenum pname,
+                                   const GLfloat *params);
+bool ValidateGetSamplerParameteriv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   SamplerID samplerPacked,
+                                   GLenum pname,
+                                   const GLint *params);
+bool ValidateGetStringi(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum name,
+                        GLuint index);
+bool ValidateGetSynciv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLsync sync,
+                       GLenum pname,
+                       GLsizei count,
+                       const GLsizei *length,
+                       const GLint *values);
+bool ValidateGetTransformFeedbackVarying(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID programPacked,
+                                         GLuint index,
+                                         GLsizei bufSize,
+                                         const GLsizei *length,
+                                         const GLsizei *size,
+                                         const GLenum *type,
+                                         const GLchar *name);
+bool ValidateGetUniformBlockIndex(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  const GLchar *uniformBlockName);
+bool ValidateGetUniformIndices(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               GLsizei uniformCount,
+                               const GLchar *const *uniformNames,
+                               const GLuint *uniformIndices);
+bool ValidateGetUniformuiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID programPacked,
+                           UniformLocation locationPacked,
+                           const GLuint *params);
+bool ValidateGetVertexAttribIiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint index,
+                                GLenum pname,
+                                const GLint *params);
+bool ValidateGetVertexAttribIuiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint index,
+                                 GLenum pname,
+                                 const GLuint *params);
+bool ValidateInvalidateFramebuffer(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei numAttachments,
+                                   const GLenum *attachments);
+bool ValidateInvalidateSubFramebuffer(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum target,
+                                      GLsizei numAttachments,
+                                      const GLenum *attachments,
+                                      GLint x,
+                                      GLint y,
+                                      GLsizei width,
+                                      GLsizei height);
+bool ValidateIsQuery(const Context *context, angle::EntryPoint entryPoint, QueryID idPacked);
+bool ValidateIsSampler(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       SamplerID samplerPacked);
+bool ValidateIsSync(const Context *context, angle::EntryPoint entryPoint, GLsync sync);
+bool ValidateIsTransformFeedback(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TransformFeedbackID idPacked);
+bool ValidateIsVertexArray(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           VertexArrayID arrayPacked);
+bool ValidateMapBufferRange(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferBinding targetPacked,
+                            GLintptr offset,
+                            GLsizeiptr length,
+                            GLbitfield access);
+bool ValidatePauseTransformFeedback(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateProgramBinary(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID programPacked,
+                           GLenum binaryFormat,
+                           const void *binary,
+                           GLsizei length);
+bool ValidateProgramParameteri(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               GLenum pname,
+                               GLint value);
+bool ValidateReadBuffer(const Context *context, angle::EntryPoint entryPoint, GLenum src);
+bool ValidateRenderbufferStorageMultisample(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLsizei samples,
+                                            GLenum internalformat,
+                                            GLsizei width,
+                                            GLsizei height);
+bool ValidateResumeTransformFeedback(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateSamplerParameterf(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               SamplerID samplerPacked,
+                               GLenum pname,
+                               GLfloat param);
+bool ValidateSamplerParameterfv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                SamplerID samplerPacked,
+                                GLenum pname,
+                                const GLfloat *param);
+bool ValidateSamplerParameteri(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               SamplerID samplerPacked,
+                               GLenum pname,
+                               GLint param);
+bool ValidateSamplerParameteriv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                SamplerID samplerPacked,
+                                GLenum pname,
+                                const GLint *param);
+bool ValidateTexImage3D(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        TextureTarget targetPacked,
+                        GLint level,
+                        GLint internalformat,
+                        GLsizei width,
+                        GLsizei height,
+                        GLsizei depth,
+                        GLint border,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels);
+bool ValidateTexStorage2D(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType targetPacked,
+                          GLsizei levels,
+                          GLenum internalformat,
+                          GLsizei width,
+                          GLsizei height);
+bool ValidateTexStorage3D(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType targetPacked,
+                          GLsizei levels,
+                          GLenum internalformat,
+                          GLsizei width,
+                          GLsizei height,
+                          GLsizei depth);
+bool ValidateTexSubImage3D(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureTarget targetPacked,
+                           GLint level,
+                           GLint xoffset,
+                           GLint yoffset,
+                           GLint zoffset,
+                           GLsizei width,
+                           GLsizei height,
+                           GLsizei depth,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels);
+bool ValidateTransformFeedbackVaryings(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       GLsizei count,
+                                       const GLchar *const *varyings,
+                                       GLenum bufferMode);
+bool ValidateUniform1ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLuint v0);
+bool ValidateUniform1uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation locationPacked,
+                         GLsizei count,
+                         const GLuint *value);
+bool ValidateUniform2ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLuint v0,
+                        GLuint v1);
+bool ValidateUniform2uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation locationPacked,
+                         GLsizei count,
+                         const GLuint *value);
+bool ValidateUniform3ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLuint v0,
+                        GLuint v1,
+                        GLuint v2);
+bool ValidateUniform3uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation locationPacked,
+                         GLsizei count,
+                         const GLuint *value);
+bool ValidateUniform4ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLuint v0,
+                        GLuint v1,
+                        GLuint v2,
+                        GLuint v3);
+bool ValidateUniform4uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         UniformLocation locationPacked,
+                         GLsizei count,
+                         const GLuint *value);
+bool ValidateUniformBlockBinding(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformBlockIndex uniformBlockIndexPacked,
+                                 GLuint uniformBlockBinding);
+bool ValidateUniformMatrix2x3fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value);
+bool ValidateUniformMatrix2x4fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value);
+bool ValidateUniformMatrix3x2fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value);
+bool ValidateUniformMatrix3x4fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value);
+bool ValidateUniformMatrix4x2fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value);
+bool ValidateUniformMatrix4x3fv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLfloat *value);
+bool ValidateUnmapBuffer(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         BufferBinding targetPacked);
+bool ValidateVertexAttribDivisor(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint index,
+                                 GLuint divisor);
+bool ValidateVertexAttribI4i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x,
+                             GLint y,
+                             GLint z,
+                             GLint w);
+bool ValidateVertexAttribI4iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v);
+bool ValidateVertexAttribI4ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x,
+                              GLuint y,
+                              GLuint z,
+                              GLuint w);
+bool ValidateVertexAttribI4uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v);
+bool ValidateVertexAttribIPointer(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint index,
+                                  GLint size,
+                                  VertexAttribType typePacked,
+                                  GLsizei stride,
+                                  const void *pointer);
+bool ValidateWaitSync(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLsync sync,
+                      GLbitfield flags,
+                      GLuint64 timeout);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ES3_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationESEXT.cpp b/gfx/angle/checkout/src/libANGLE/validationESEXT.cpp
new file mode 100644
index 0000000000..c708206412
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationESEXT.cpp
@@ -0,0 +1,3599 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationESEXT.cpp: Validation functions for OpenGL ES extension entry points.
+
+#include "libANGLE/validationESEXT_autogen.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/MemoryObject.h"
+#include "libANGLE/PixelLocalStorage.h"
+#include "libANGLE/validationES.h"
+#include "libANGLE/validationES2.h"
+#include "libANGLE/validationES3.h"
+#include "libANGLE/validationES31.h"
+#include "libANGLE/validationES32.h"
+
+namespace gl
+{
+using namespace err;
+
+namespace
+{
+template <typename ObjectT>
+bool ValidateGetImageFormatAndType(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ObjectT *obj,
+                                   GLenum format,
+                                   GLenum type)
+{
+    GLenum implFormat = obj->getImplementationColorReadFormat(context);
+    if (!ValidES3Format(format) && (format != implFormat || format == GL_NONE))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat);
+        return false;
+    }
+
+    GLenum implType = obj->getImplementationColorReadType(context);
+    if (!ValidES3Type(type) && (type != implType || type == GL_NONE))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+        return false;
+    }
+
+    // Format/type combinations are not yet validated.
+
+    return true;
+}
+
+bool IsValidImageLayout(ImageLayout layout)
+{
+    switch (layout)
+    {
+        case ImageLayout::Undefined:
+        case ImageLayout::General:
+        case ImageLayout::ColorAttachment:
+        case ImageLayout::DepthStencilAttachment:
+        case ImageLayout::DepthStencilReadOnlyAttachment:
+        case ImageLayout::ShaderReadOnly:
+        case ImageLayout::TransferSrc:
+        case ImageLayout::TransferDst:
+        case ImageLayout::DepthReadOnlyStencilAttachment:
+        case ImageLayout::DepthAttachmentStencilReadOnly:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool IsValidMemoryObjectParamater(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum pname)
+{
+    switch (pname)
+    {
+        case GL_DEDICATED_MEMORY_OBJECT_EXT:
+            return true;
+
+        case GL_PROTECTED_MEMORY_OBJECT_EXT:
+            if (!context->getExtensions().protectedTexturesEXT)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+                return false;
+            }
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool ValidateObjectIdentifierAndName(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum identifier,
+                                     GLuint name)
+{
+    bool isGLES11 = context->getClientVersion() == Version(1, 1);
+    bool isGLES3  = context->getClientMajorVersion() >= 3;
+    bool isGLES31 = context->getClientVersion() >= Version(3, 1);
+    switch (identifier)
+    {
+        case GL_BUFFER_OBJECT_EXT:
+            if (context->getBuffer({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidBufferName);
+                return false;
+            }
+            return true;
+
+        case GL_SHADER_OBJECT_EXT:
+            if (isGLES11)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+            }
+            if (context->getShader({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidShaderName);
+                return false;
+            }
+            return true;
+
+        case GL_PROGRAM_OBJECT_EXT:
+            if (isGLES11)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+            }
+            if (context->getProgramNoResolveLink({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidProgramName);
+                return false;
+            }
+            return true;
+
+        case GL_VERTEX_ARRAY_OBJECT_EXT:
+            if (!isGLES3 && !context->getExtensions().vertexArrayObjectOES)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+            }
+            if (context->getVertexArray({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidVertexArrayName);
+                return false;
+            }
+            return true;
+
+        case GL_QUERY_OBJECT_EXT:
+            if (!isGLES3 && !context->getExtensions().occlusionQueryBooleanEXT)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+            }
+            if (context->getQuery({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidQueryName);
+                return false;
+            }
+            return true;
+
+        case GL_TRANSFORM_FEEDBACK:
+            if (!isGLES3)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+            }
+            if (context->getTransformFeedback({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidTransformFeedbackName);
+                return false;
+            }
+            return true;
+
+        case GL_SAMPLER:
+            if (!isGLES3)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+            }
+            if (context->getSampler({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidSamplerName);
+                return false;
+            }
+            return true;
+
+        case GL_TEXTURE:
+            if (context->getTexture({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureName);
+                return false;
+            }
+            return true;
+
+        case GL_RENDERBUFFER:
+            if (!context->isRenderbuffer({name}))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidRenderbufferName);
+                return false;
+            }
+            return true;
+
+        case GL_FRAMEBUFFER:
+            if (context->getFramebuffer({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFramebufferName);
+                return false;
+            }
+            return true;
+
+        case GL_PROGRAM_PIPELINE_OBJECT_EXT:
+            if (!isGLES31 && !context->getExtensions().separateShaderObjectsEXT)
+            {
+                context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType);
+                return false;
+            }
+            if (context->getProgramPipeline({name}) == nullptr)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidProgramPipelineName);
+                return false;
+            }
+            return true;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidIndentifier);
+            return false;
+    }
+}
+}  // namespace
+
+bool ValidateGetTexImage(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureTarget target,
+                         GLint level)
+{
+    if (!context->getExtensions().getImageANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGetImageExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidTexture2DDestinationTarget(context, target) &&
+        !ValidTexture3DDestinationTarget(context, target))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+        return false;
+    }
+
+    if (level < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLevel);
+        return false;
+    }
+
+    TextureType textureType = TextureTargetToType(target);
+    if (!ValidMipLevel(context, textureType, level))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetTexImageANGLE(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureTarget target,
+                              GLint level,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels)
+{
+    if (!ValidateGetTexImage(context, entryPoint, target, level))
+    {
+        return false;
+    }
+
+    Texture *texture = context->getTextureByTarget(target);
+
+    if (!ValidateGetImageFormatAndType(context, entryPoint, texture, format, type))
+    {
+        return false;
+    }
+
+    GLsizei width  = static_cast<GLsizei>(texture->getWidth(target, level));
+    GLsizei height = static_cast<GLsizei>(texture->getHeight(target, level));
+    if (!ValidatePixelPack(context, entryPoint, format, type, 0, 0, width, height, -1, nullptr,
+                           pixels))
+    {
+        return false;
+    }
+
+    if (texture->getFormat(target, level).info->compressed)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGetImageCompressed);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetCompressedTexImageANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureTarget target,
+                                        GLint level,
+                                        const void *pixels)
+{
+    if (!ValidateGetTexImage(context, entryPoint, target, level))
+    {
+        return false;
+    }
+
+    Texture *texture = context->getTextureByTarget(target);
+    if (!texture->getFormat(target, level).info->compressed)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGetImageNotCompressed);
+        return false;
+    }
+
+    if (texture->isCompressedFormatEmulated(context, target, level))
+    {
+        // TODO (anglebug.com/7464): We can't currently read back from an emulated format
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidEmulatedFormat);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetRenderbufferImageANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum format,
+                                       GLenum type,
+                                       const void *pixels)
+{
+    if (!context->getExtensions().getImageANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kGetImageExtensionNotEnabled);
+        return false;
+    }
+
+    if (target != GL_RENDERBUFFER)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidRenderbufferTarget);
+        return false;
+    }
+
+    Renderbuffer *renderbuffer = context->getState().getCurrentRenderbuffer();
+
+    if (!ValidateGetImageFormatAndType(context, entryPoint, renderbuffer, format, type))
+    {
+        return false;
+    }
+
+    GLsizei width  = renderbuffer->getWidth();
+    GLsizei height = renderbuffer->getHeight();
+    if (!ValidatePixelPack(context, entryPoint, format, type, 0, 0, width, height, -1, nullptr,
+                           pixels))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateDrawElementsBaseVertexEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode mode,
+                                       GLsizei count,
+                                       DrawElementsType type,
+                                       const void *indices,
+                                       GLint basevertex)
+{
+    if (!context->getExtensions().drawElementsBaseVertexAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 1);
+}
+
+bool ValidateDrawElementsInstancedBaseVertexEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                PrimitiveMode mode,
+                                                GLsizei count,
+                                                DrawElementsType type,
+                                                const void *indices,
+                                                GLsizei instancecount,
+                                                GLint basevertex)
+{
+    if (!context->getExtensions().drawElementsBaseVertexAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                             instancecount);
+}
+
+bool ValidateDrawRangeElementsBaseVertexEXT(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode mode,
+                                            GLuint start,
+                                            GLuint end,
+                                            GLsizei count,
+                                            DrawElementsType type,
+                                            const void *indices,
+                                            GLint basevertex)
+{
+    if (!context->getExtensions().drawElementsBaseVertexAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (end < start)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidElementRange);
+        return false;
+    }
+
+    if (!ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 0))
+    {
+        return false;
+    }
+
+    // Skip range checks for no-op calls.
+    if (count <= 0)
+    {
+        return true;
+    }
+
+    // Note that resolving the index range is a bit slow. We should probably optimize this.
+    IndexRange indexRange;
+    ANGLE_VALIDATION_TRY(context->getState().getVertexArray()->getIndexRange(context, type, count,
+                                                                             indices, &indexRange));
+
+    if (indexRange.end > end || indexRange.start < start)
+    {
+        // GL spec says that behavior in this case is undefined - generating an error is fine.
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExceedsElementRange);
+        return false;
+    }
+    return true;
+}
+
+bool ValidateMultiDrawElementsBaseVertexEXT(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode mode,
+                                            const GLsizei *count,
+                                            DrawElementsType type,
+                                            const void *const *indices,
+                                            GLsizei drawcount,
+                                            const GLint *basevertex)
+{
+    return true;
+}
+
+bool ValidateMultiDrawArraysIndirectEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        PrimitiveMode modePacked,
+                                        const void *indirect,
+                                        GLsizei drawcount,
+                                        GLsizei stride)
+{
+    if (!ValidateMultiDrawIndirectBase(context, entryPoint, drawcount, stride))
+    {
+        return false;
+    }
+
+    if (!ValidateDrawArraysIndirect(context, entryPoint, modePacked, indirect))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateMultiDrawElementsIndirectEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          PrimitiveMode modePacked,
+                                          DrawElementsType typePacked,
+                                          const void *indirect,
+                                          GLsizei drawcount,
+                                          GLsizei stride)
+{
+    if (!ValidateMultiDrawIndirectBase(context, entryPoint, drawcount, stride))
+    {
+        return false;
+    }
+
+    const State &state                      = context->getState();
+    TransformFeedback *curTransformFeedback = state.getCurrentTransformFeedback();
+    if (!ValidateDrawElementsIndirect(context, entryPoint, modePacked, typePacked, indirect))
+    {
+        return false;
+    }
+
+    if (curTransformFeedback && curTransformFeedback->isActive() &&
+        !curTransformFeedback->isPaused())
+    {
+        // EXT_geometry_shader allows transform feedback to work with all draw commands.
+        // [EXT_geometry_shader] Section 12.1, "Transform Feedback"
+        if (context->getExtensions().geometryShaderAny() || context->getClientVersion() >= ES_3_2)
+        {
+            if (!ValidateTransformFeedbackPrimitiveMode(
+                    context, entryPoint, curTransformFeedback->getPrimitiveMode(), modePacked))
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kInvalidDrawModeTransformFeedback);
+                return false;
+            }
+        }
+        else
+        {
+            // An INVALID_OPERATION error is generated if transform feedback is active and not
+            // paused.
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kUnsupportedDrawModeForTransformFeedback);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateDrawArraysInstancedBaseInstanceEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                PrimitiveMode mode,
+                                                GLint first,
+                                                GLsizei count,
+                                                GLsizei instanceCount,
+                                                GLuint baseInstance)
+{
+    if (!context->getExtensions().baseInstanceEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawArraysInstancedBase(context, entryPoint, mode, first, count, instanceCount);
+}
+
+bool ValidateDrawElementsInstancedBaseInstanceEXT(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  PrimitiveMode mode,
+                                                  GLsizei count,
+                                                  DrawElementsType type,
+                                                  void const *indices,
+                                                  GLsizei instancecount,
+                                                  GLuint baseinstance)
+{
+    if (!context->getExtensions().baseInstanceEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                             instancecount);
+}
+
+bool ValidateDrawElementsInstancedBaseVertexBaseInstanceEXT(const Context *context,
+                                                            angle::EntryPoint entryPoint,
+                                                            PrimitiveMode mode,
+                                                            GLsizei count,
+                                                            DrawElementsType typePacked,
+                                                            const void *indices,
+                                                            GLsizei instancecount,
+                                                            GLint basevertex,
+                                                            GLuint baseinstance)
+{
+    if (!context->getExtensions().baseInstanceEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, typePacked, indices,
+                                             instancecount);
+}
+
+bool ValidateDrawElementsBaseVertexOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode mode,
+                                       GLsizei count,
+                                       DrawElementsType type,
+                                       const void *indices,
+                                       GLint basevertex)
+{
+    if (!context->getExtensions().drawElementsBaseVertexAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 1);
+}
+
+bool ValidateDrawElementsInstancedBaseVertexOES(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                PrimitiveMode mode,
+                                                GLsizei count,
+                                                DrawElementsType type,
+                                                const void *indices,
+                                                GLsizei instancecount,
+                                                GLint basevertex)
+{
+    if (!context->getExtensions().drawElementsBaseVertexAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices,
+                                             instancecount);
+}
+
+bool ValidateDrawRangeElementsBaseVertexOES(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode mode,
+                                            GLuint start,
+                                            GLuint end,
+                                            GLsizei count,
+                                            DrawElementsType type,
+                                            const void *indices,
+                                            GLint basevertex)
+{
+    if (!context->getExtensions().drawElementsBaseVertexAny())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (end < start)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidElementRange);
+        return false;
+    }
+
+    if (!ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 0))
+    {
+        return false;
+    }
+
+    // Skip range checks for no-op calls.
+    if (count <= 0)
+    {
+        return true;
+    }
+
+    // Note that resolving the index range is a bit slow. We should probably optimize this.
+    IndexRange indexRange;
+    ANGLE_VALIDATION_TRY(context->getState().getVertexArray()->getIndexRange(context, type, count,
+                                                                             indices, &indexRange));
+
+    if (indexRange.end > end || indexRange.start < start)
+    {
+        // GL spec says that behavior in this case is undefined - generating an error is fine.
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExceedsElementRange);
+        return false;
+    }
+    return true;
+}
+
+// GL_KHR_blend_equation_advanced
+bool ValidateBlendBarrierKHR(const Context *context, angle::EntryPoint entryPoint)
+{
+    const Extensions &extensions = context->getExtensions();
+
+    if (!extensions.blendEquationAdvancedKHR)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kAdvancedBlendExtensionNotEnabled);
+    }
+
+    return true;
+}
+
+bool ValidateBlendEquationSeparateiEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint buf,
+                                       GLenum modeRGB,
+                                       GLenum modeAlpha)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendEquationSeparatei(context, entryPoint, buf, modeRGB, modeAlpha);
+}
+
+bool ValidateBlendEquationiEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint buf,
+                               GLenum mode)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendEquationi(context, entryPoint, buf, mode);
+}
+
+bool ValidateBlendFuncSeparateiEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint buf,
+                                   GLenum srcRGB,
+                                   GLenum dstRGB,
+                                   GLenum srcAlpha,
+                                   GLenum dstAlpha)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendFuncSeparatei(context, entryPoint, buf, srcRGB, dstRGB, srcAlpha, dstAlpha);
+}
+
+bool ValidateBlendFunciEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint buf,
+                           GLenum src,
+                           GLenum dst)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendFunci(context, entryPoint, buf, src, dst);
+}
+
+bool ValidateColorMaskiEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint index,
+                           GLboolean r,
+                           GLboolean g,
+                           GLboolean b,
+                           GLboolean a)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateColorMaski(context, entryPoint, index, r, g, b, a);
+}
+
+bool ValidateDisableiEXT(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum target,
+                         GLuint index)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDisablei(context, entryPoint, target, index);
+}
+
+bool ValidateEnableiEXT(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLuint index)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateEnablei(context, entryPoint, target, index);
+}
+
+bool ValidateIsEnablediEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index)
+{
+    if (!context->getExtensions().drawBuffersIndexedEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateIsEnabledi(context, entryPoint, target, index);
+}
+
+bool ValidateBlendEquationSeparateiOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint buf,
+                                       GLenum modeRGB,
+                                       GLenum modeAlpha)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendEquationSeparatei(context, entryPoint, buf, modeRGB, modeAlpha);
+}
+
+bool ValidateBlendEquationiOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint buf,
+                               GLenum mode)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendEquationi(context, entryPoint, buf, mode);
+}
+
+bool ValidateBlendFuncSeparateiOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint buf,
+                                   GLenum srcRGB,
+                                   GLenum dstRGB,
+                                   GLenum srcAlpha,
+                                   GLenum dstAlpha)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendFuncSeparatei(context, entryPoint, buf, srcRGB, dstRGB, srcAlpha, dstAlpha);
+}
+
+bool ValidateBlendFunciOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint buf,
+                           GLenum src,
+                           GLenum dst)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBlendFunci(context, entryPoint, buf, src, dst);
+}
+
+bool ValidateColorMaskiOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint index,
+                           GLboolean r,
+                           GLboolean g,
+                           GLboolean b,
+                           GLboolean a)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateColorMaski(context, entryPoint, index, r, g, b, a);
+}
+
+bool ValidateDisableiOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum target,
+                         GLuint index)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDisablei(context, entryPoint, target, index);
+}
+
+bool ValidateEnableiOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLuint index)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateEnablei(context, entryPoint, target, index);
+}
+
+bool ValidateIsEnablediOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index)
+{
+    if (!context->getExtensions().drawBuffersIndexedOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateIsEnabledi(context, entryPoint, target, index);
+}
+
+bool ValidateGetInteger64vEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              const GLint64 *data)
+{
+    if (!context->getExtensions().disjointTimerQueryEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    GLenum nativeType      = GL_NONE;
+    unsigned int numParams = 0;
+    if (!ValidateStateQuery(context, entryPoint, pname, &nativeType, &numParams))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateCopyImageSubDataEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint srcName,
+                                 GLenum srcTarget,
+                                 GLint srcLevel,
+                                 GLint srcX,
+                                 GLint srcY,
+                                 GLint srcZ,
+                                 GLuint dstName,
+                                 GLenum dstTarget,
+                                 GLint dstLevel,
+                                 GLint dstX,
+                                 GLint dstY,
+                                 GLint dstZ,
+                                 GLsizei srcWidth,
+                                 GLsizei srcHeight,
+                                 GLsizei srcDepth)
+{
+    if (!context->getExtensions().copyImageEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateCopyImageSubDataBase(context, entryPoint, srcName, srcTarget, srcLevel, srcX,
+                                        srcY, srcZ, dstName, dstTarget, dstLevel, dstX, dstY, dstZ,
+                                        srcWidth, srcHeight, srcDepth);
+}
+
+bool ValidateCopyImageSubDataOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint srcName,
+                                 GLenum srcTarget,
+                                 GLint srcLevel,
+                                 GLint srcX,
+                                 GLint srcY,
+                                 GLint srcZ,
+                                 GLuint dstName,
+                                 GLenum dstTarget,
+                                 GLint dstLevel,
+                                 GLint dstX,
+                                 GLint dstY,
+                                 GLint dstZ,
+                                 GLsizei srcWidth,
+                                 GLsizei srcHeight,
+                                 GLsizei srcDepth)
+{
+    if (!context->getExtensions().copyImageEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateCopyImageSubDataBase(context, entryPoint, srcName, srcTarget, srcLevel, srcX,
+                                        srcY, srcZ, dstName, dstTarget, dstLevel, dstX, dstY, dstZ,
+                                        srcWidth, srcHeight, srcDepth);
+}
+
+bool ValidateBufferStorageMemEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType target,
+                                 GLsizeiptr size,
+                                 MemoryObjectID memory,
+                                 GLuint64 offset)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateCreateMemoryObjectsEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const MemoryObjectID *memoryObjects)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateDeleteMemoryObjectsEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const MemoryObjectID *memoryObjects)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGetMemoryObjectParameterivEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           MemoryObjectID memoryObject,
+                                           GLenum pname,
+                                           const GLint *params)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const MemoryObject *memory = context->getMemoryObject(memoryObject);
+    if (memory == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMemoryObject);
+    }
+
+    if (!IsValidMemoryObjectParamater(context, entryPoint, pname))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMemoryObjectParameter);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetUnsignedBytevEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum pname,
+                                 const GLubyte *data)
+{
+    if (!context->getExtensions().memoryObjectEXT && !context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetUnsignedBytei_vEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLuint index,
+                                   const GLubyte *data)
+{
+    if (!context->getExtensions().memoryObjectEXT && !context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateIsMemoryObjectEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               MemoryObjectID memoryObject)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateMemoryObjectParameterivEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        MemoryObjectID memoryObject,
+                                        GLenum pname,
+                                        const GLint *params)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const MemoryObject *memory = context->getMemoryObject(memoryObject);
+    if (memory == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMemoryObject);
+        return false;
+    }
+
+    if (memory->isImmutable())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kImmutableMemoryObject);
+        return false;
+    }
+
+    if (!IsValidMemoryObjectParamater(context, entryPoint, pname))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidMemoryObjectParameter);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexStorageMem2DEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target,
+                                GLsizei levels,
+                                GLenum internalFormat,
+                                GLsizei width,
+                                GLsizei height,
+                                MemoryObjectID memory,
+                                GLuint64 offset)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (context->getClientMajorVersion() < 3)
+    {
+        return ValidateES2TexStorageParametersBase(context, entryPoint, target, levels,
+                                                   internalFormat, width, height);
+    }
+
+    ASSERT(context->getClientMajorVersion() >= 3);
+    return ValidateES3TexStorage2DParameters(context, entryPoint, target, levels, internalFormat,
+                                             width, height, 1);
+}
+
+bool ValidateTexStorageMem3DEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType target,
+                                GLsizei levels,
+                                GLenum internalFormat,
+                                GLsizei width,
+                                GLsizei height,
+                                GLsizei depth,
+                                MemoryObjectID memory,
+                                GLuint64 offset)
+{
+    if (!context->getExtensions().memoryObjectEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateImportMemoryFdEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               MemoryObjectID memory,
+                               GLuint64 size,
+                               HandleType handleType,
+                               GLint fd)
+{
+    if (!context->getExtensions().memoryObjectFdEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (handleType)
+    {
+        case HandleType::OpaqueFd:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidHandleType);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateImportMemoryZirconHandleANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           MemoryObjectID memory,
+                                           GLuint64 size,
+                                           HandleType handleType,
+                                           GLuint handle)
+{
+    if (!context->getExtensions().memoryObjectFuchsiaANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (handleType)
+    {
+        case HandleType::ZirconVmo:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidHandleType);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateDeleteSemaphoresEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const SemaphoreID *semaphores)
+{
+    if (!context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGenSemaphoresEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei n,
+                              const SemaphoreID *semaphores)
+{
+    if (!context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenOrDelete(context, entryPoint, n);
+}
+
+bool ValidateGetSemaphoreParameterui64vEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           SemaphoreID semaphore,
+                                           GLenum pname,
+                                           const GLuint64 *params)
+{
+    if (!context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateIsSemaphoreEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            SemaphoreID semaphore)
+{
+    if (!context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSemaphoreParameterui64vEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        SemaphoreID semaphore,
+                                        GLenum pname,
+                                        const GLuint64 *params)
+{
+    if (!context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateSignalSemaphoreEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                SemaphoreID semaphore,
+                                GLuint numBufferBarriers,
+                                const BufferID *buffers,
+                                GLuint numTextureBarriers,
+                                const TextureID *textures,
+                                const GLenum *dstLayouts)
+{
+    if (!context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    for (GLuint i = 0; i < numBufferBarriers; ++i)
+    {
+        if (!context->getBuffer(buffers[i]))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidBufferName);
+            return false;
+        }
+    }
+
+    for (GLuint i = 0; i < numTextureBarriers; ++i)
+    {
+        if (!context->getTexture(textures[i]))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureName);
+            return false;
+        }
+        if (!IsValidImageLayout(FromGLenum<ImageLayout>(dstLayouts[i])))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidImageLayout);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateWaitSemaphoreEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              SemaphoreID semaphore,
+                              GLuint numBufferBarriers,
+                              const BufferID *buffers,
+                              GLuint numTextureBarriers,
+                              const TextureID *textures,
+                              const GLenum *srcLayouts)
+{
+    if (!context->getExtensions().semaphoreEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    for (GLuint i = 0; i < numBufferBarriers; ++i)
+    {
+        if (!context->getBuffer(buffers[i]))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidBufferName);
+            return false;
+        }
+    }
+
+    for (GLuint i = 0; i < numTextureBarriers; ++i)
+    {
+        if (!context->getTexture(textures[i]))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureName);
+            return false;
+        }
+        if (!IsValidImageLayout(FromGLenum<ImageLayout>(srcLayouts[i])))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidImageLayout);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateImportSemaphoreFdEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  SemaphoreID semaphore,
+                                  HandleType handleType,
+                                  GLint fd)
+{
+    if (!context->getExtensions().semaphoreFdEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (handleType)
+    {
+        case HandleType::OpaqueFd:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidHandleType);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetSamplerParameterIivEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       SamplerID samplerPacked,
+                                       GLenum pname,
+                                       const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetSamplerParameterBase(context, entryPoint, samplerPacked, pname, nullptr);
+}
+
+bool ValidateGetSamplerParameterIuivEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        SamplerID samplerPacked,
+                                        GLenum pname,
+                                        const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetSamplerParameterBase(context, entryPoint, samplerPacked, pname, nullptr);
+}
+
+bool ValidateGetTexParameterIivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureType targetPacked,
+                                   GLenum pname,
+                                   const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetTexParameterBase(context, entryPoint, targetPacked, pname, nullptr);
+}
+
+bool ValidateGetTexParameterIuivEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureType targetPacked,
+                                    GLenum pname,
+                                    const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateGetTexParameterBase(context, entryPoint, targetPacked, pname, nullptr);
+}
+
+bool ValidateSamplerParameterIivEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    SamplerID samplerPacked,
+                                    GLenum pname,
+                                    const GLint *param)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateSamplerParameterBase(context, entryPoint, samplerPacked, pname, -1, true, param);
+}
+
+bool ValidateSamplerParameterIuivEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID samplerPacked,
+                                     GLenum pname,
+                                     const GLuint *param)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateSamplerParameterBase(context, entryPoint, samplerPacked, pname, -1, true, param);
+}
+
+bool ValidateTexParameterIivEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType targetPacked,
+                                GLenum pname,
+                                const GLint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateTexParameterBase(context, entryPoint, targetPacked, pname, -1, true, params);
+}
+
+bool ValidateTexParameterIuivEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType targetPacked,
+                                 GLenum pname,
+                                 const GLuint *params)
+{
+    if (context->getClientMajorVersion() < 3)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required);
+        return false;
+    }
+    return ValidateTexParameterBase(context, entryPoint, targetPacked, pname, -1, true, params);
+}
+
+bool ValidateImportSemaphoreZirconHandleANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              SemaphoreID semaphore,
+                                              HandleType handleType,
+                                              GLuint handle)
+{
+    if (!context->getExtensions().semaphoreFuchsiaANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    switch (handleType)
+    {
+        case HandleType::ZirconEvent:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidHandleType);
+            return false;
+    }
+
+    return true;
+}
+
+namespace
+{
+enum class PLSExpectedStatus : bool
+{
+    Inactive,
+    Active
+};
+
+bool ValidatePLSCommon(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       PLSExpectedStatus expectedStatus)
+{
+    // Check that the pixel local storage extension is enabled at all.
+    if (!context->getExtensions().shaderPixelLocalStorageANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSExtensionNotEnabled);
+        return false;
+    }
+
+    // INVALID_FRAMEBUFFER_OPERATION is generated if the default framebuffer object name 0 is
+    // bound to DRAW_FRAMEBUFFER.
+    if (context->getState().getDrawFramebuffer()->id().value == 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION,
+                                 kPLSDefaultFramebufferBound);
+        return false;
+    }
+
+    if (expectedStatus == PLSExpectedStatus::Inactive)
+    {
+        // INVALID_OPERATION is generated if PIXEL_LOCAL_STORAGE_ACTIVE_ANGLE is TRUE.
+        if (context->getState().getPixelLocalStorageActive())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSActive);
+            return false;
+        }
+    }
+    else
+    {
+        ASSERT(expectedStatus == PLSExpectedStatus::Active);
+
+        // INVALID_OPERATION is generated if PIXEL_LOCAL_STORAGE_ACTIVE_ANGLE is FALSE.
+        if (!context->getState().getPixelLocalStorageActive())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSInactive);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidatePLSCommon(const Context *context, angle::EntryPoint entryPoint, GLint plane)
+{
+    if (!ValidatePLSCommon(context, entryPoint, PLSExpectedStatus::Inactive))
+    {
+        return false;
+    }
+
+    // INVALID_VALUE is generated if <plane> < 0 or <plane> >= MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE.
+    if (plane < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kPLSPlaneLessThanZero);
+        return false;
+    }
+    if (plane >= static_cast<GLint>(context->getCaps().maxPixelLocalStoragePlanes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kPLSPlaneOutOfRange);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidatePLSInternalformat(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum internalformat)
+{
+    // INVALID_ENUM is generated if <internalformat> is not one of the acceptable values in Table
+    // X.2, or NONE.
+    switch (internalformat)
+    {
+        case GL_RGBA8:
+        case GL_RGBA8I:
+        case GL_RGBA8UI:
+        case GL_R32F:
+        case GL_R32UI:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kPLSInvalidInternalformat);
+            return false;
+    }
+}
+
+bool ValidatePLSTextureType(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            Texture *tex,
+                            size_t *textureDepth)
+{
+    // INVALID_ENUM is generated if <backingtexture> is nonzero and not of type GL_TEXTURE_2D,
+    // GL_TEXTURE_CUBE_MAP, GL_TEXTURE_2D_ARRAY, or GL_TEXTURE_3D.
+    switch (tex->getType())
+    {
+        case TextureType::_2D:
+            *textureDepth = 1;
+            return true;
+        case TextureType::CubeMap:
+            *textureDepth = 6;
+            return true;
+        case TextureType::_2DArray:
+            *textureDepth = tex->getDepth(TextureTarget::_2DArray, 0);
+            return true;
+        case TextureType::_3D:
+            *textureDepth = tex->getDepth(TextureTarget::_3D, 0);
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kPLSInvalidTextureType);
+            return false;
+    }
+}
+
+bool ValidatePLSLoadOperation(const Context *context, angle::EntryPoint entryPoint, GLenum loadop)
+{
+    // INVALID_ENUM is generated if <loadops>[0..<planes>-1] is not one of the Load Operations
+    // enumerated in Table X.1.
+    switch (loadop)
+    {
+        case GL_ZERO:
+        case GL_CLEAR_ANGLE:
+        case GL_KEEP:
+        case GL_DONT_CARE:
+        case GL_DISABLE_ANGLE:
+            return true;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kPLSInvalidLoadOperation);
+            return false;
+    }
+}
+}  // namespace
+
+bool ValidateFramebufferMemorylessPixelLocalStorageANGLE(const Context *context,
+                                                         angle::EntryPoint entryPoint,
+                                                         GLint plane,
+                                                         GLenum internalformat)
+{
+    if (!ValidatePLSCommon(context, entryPoint, plane))
+    {
+        return false;
+    }
+
+    // INVALID_ENUM is generated if <internalformat> is not one of the acceptable values in Table
+    // X.2, or NONE.
+    if (internalformat != GL_NONE)
+    {
+        if (!ValidatePLSInternalformat(context, entryPoint, internalformat))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferTexturePixelLocalStorageANGLE(const Context *context,
+                                                      angle::EntryPoint entryPoint,
+                                                      GLint plane,
+                                                      TextureID backingtexture,
+                                                      GLint level,
+                                                      GLint layer)
+{
+    if (!ValidatePLSCommon(context, entryPoint, plane))
+    {
+        return false;
+    }
+
+    if (backingtexture.value != 0)
+    {
+        Texture *tex = context->getTexture(backingtexture);
+
+        // INVALID_OPERATION is generated if <backingtexture> is not the name of an existing
+        // immutable texture object, or zero.
+        if (!tex)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureName);
+            return false;
+        }
+        if (!tex->getImmutableFormat())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsNotImmutable);
+            return false;
+        }
+
+        // INVALID_ENUM is generated if <backingtexture> is nonzero and not of type GL_TEXTURE_2D,
+        // GL_TEXTURE_CUBE_MAP, GL_TEXTURE_2D_ARRAY, or GL_TEXTURE_3D.
+        size_t textureDepth;
+        if (!ValidatePLSTextureType(context, entryPoint, tex, &textureDepth))
+        {
+            return false;
+        }
+
+        // INVALID_VALUE is generated if <backingtexture> is nonzero and <level> < 0.
+        if (level < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLevel);
+            return false;
+        }
+
+        // INVALID_VALUE is generated if <backingtexture> is nonzero and <level> >= the
+        // immutable number of mipmap levels in <backingtexture>.
+        if (static_cast<GLuint>(level) >= tex->getImmutableLevels())
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kTextureLevelOutOfRange);
+            return false;
+        }
+
+        // INVALID_VALUE is generated if <backingtexture> is nonzero and <layer> < 0.
+        if (layer < 0)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLayer);
+            return false;
+        }
+
+        // INVALID_VALUE is generated if <backingtexture> is nonzero and <layer> >= the immutable
+        // number of texture layers in <backingtexture>.
+        if ((size_t)layer >= textureDepth)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kTextureLayerOutOfRange);
+            return false;
+        }
+
+        // INVALID_ENUM is generated if <backingtexture> is nonzero and its internalformat is not
+        // one of the acceptable values in Table X.2.
+        ASSERT(tex->getImmutableFormat());
+        GLenum internalformat = tex->getState().getBaseLevelDesc().format.info->internalFormat;
+        if (!ValidatePLSInternalformat(context, entryPoint, internalformat))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateBeginPixelLocalStorageANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLsizei planes,
+                                         const GLenum loadops[],
+                                         const void *cleardata)
+{
+    if (!ValidatePLSCommon(context, entryPoint, PLSExpectedStatus::Inactive))
+    {
+        return false;
+    }
+
+    const State &state             = context->getState();
+    const Framebuffer *framebuffer = state.getDrawFramebuffer();
+
+    // INVALID_OPERATION is generated if the value of SAMPLE_BUFFERS is 1 (i.e., if rendering to a
+    // multisampled framebuffer).
+    if (framebuffer->getSamples(context) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSMultisamplingEnabled);
+        return false;
+    }
+
+    // INVALID_OPERATION is generated if DITHER is enabled.
+    if (state.isDitherEnabled())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSDitherEnabled);
+        return false;
+    }
+
+    // INVALID_OPERATION is generated if RASTERIZER_DISCARD is enabled.
+    if (state.isRasterizerDiscardEnabled())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSRasterizerDiscardEnabled);
+        return false;
+    }
+
+    // INVALID_OPERATION is generated if SAMPLE_ALPHA_TO_COVERAGE is enabled.
+    if (state.isSampleAlphaToCoverageEnabled())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kPLSSampleAlphaToCoverageEnabled);
+        return false;
+    }
+
+    // INVALID_OPERATION is generated if SAMPLE_COVERAGE is enabled.
+    if (state.isSampleCoverageEnabled())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSSampleCoverageEnabled);
+        return false;
+    }
+
+    // INVALID_VALUE is generated if <planes> < 1 or <planes> >
+    // MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE.
+    if (planes < 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kPLSPlanesLessThanOne);
+        return false;
+    }
+    if (planes > static_cast<GLsizei>(context->getCaps().maxPixelLocalStoragePlanes))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kPLSPlanesOutOfRange);
+        return false;
+    }
+
+    // INVALID_FRAMEBUFFER_OPERATION is generated if the draw framebuffer has an image attached to
+    // any color attachment point on or after:
+    //
+    //   COLOR_ATTACHMENT0 +
+    //   MAX_COLOR_ATTACHMENTS_WITH_ACTIVE_PIXEL_LOCAL_STORAGE_ANGLE
+    //
+    const Caps &caps = context->getCaps();
+    for (int i = caps.maxColorAttachmentsWithActivePixelLocalStorage; i < caps.maxColorAttachments;
+         ++i)
+    {
+        if (framebuffer->getColorAttachment(i))
+        {
+            context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION,
+                                     kPLSMaxColorAttachmentsExceded);
+            return false;
+        }
+    }
+
+    // INVALID_FRAMEBUFFER_OPERATION is generated if the draw framebuffer has an image attached to
+    // any color attachment point on or after:
+    //
+    //   COLOR_ATTACHMENT0 +
+    //   MAX_COMBINED_DRAW_BUFFERS_AND_PIXEL_LOCAL_STORAGE_PLANES_ANGLE -
+    //   <planes>
+    //
+    for (GLuint i = caps.maxCombinedDrawBuffersAndPixelLocalStoragePlanes - planes;
+         i < caps.maxColorAttachmentsWithActivePixelLocalStorage; ++i)
+    {
+        if (framebuffer->getColorAttachment(i))
+        {
+            context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION,
+                                     kPLSMaxCombinedDrawBuffersAndPlanesExceded);
+            return false;
+        }
+    }
+
+    // INVALID_VALUE is generated if <loadops> is NULL.
+    if (!loadops)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kPLSNullLoadOps);
+        return false;
+    }
+
+    const PixelLocalStorage *pls   = framebuffer->peekPixelLocalStorage();
+    bool hasTextureBackedPLSPlanes = false;
+    Extents textureBackedPLSExtents{};
+
+    for (int i = 0; i < planes; ++i)
+    {
+        // INVALID_ENUM is generated if <loadops>[0..<planes>-1] is not one of the Load
+        // Operations enumerated in Table X.1.
+        if (!ValidatePLSLoadOperation(context, entryPoint, loadops[i]))
+        {
+            return false;
+        }
+
+        if (loadops[i] == GL_DISABLE_ANGLE)
+        {
+            continue;
+        }
+
+        // INVALID_VALUE is generated if <loadops>[0..<planes>-1] is CLEAR_ANGLE and <cleardata> is
+        // NULL.
+        if (loadops[i] == GL_CLEAR_ANGLE && !cleardata)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kPLSNullClearData);
+            return false;
+        }
+
+        // INVALID_OPERATION is generated if <loadops>[0..<planes>-1] is not DISABLE_ANGLE, and
+        // the pixel local storage plane at that same index is is in a deinitialized state.
+        if (pls == nullptr || pls->getPlane(i).isDeinitialized())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kPLSEnablingDeinitializedPlane);
+            return false;
+        }
+
+        // [ANGLE_shader_pixel_local_storage] Section 4.4.2.X "Configuring Pixel Local Storage
+        // on a Framebuffer": When a texture object is deleted, any pixel local storage plane to
+        // which it was bound is automatically converted to a memoryless plane of matching
+        // internalformat.
+        const PixelLocalStoragePlane &plane = pls->getPlane(i);
+
+        Extents textureExtents;
+        if (plane.getTextureImageExtents(context, &textureExtents))
+        {
+            // INVALID_OPERATION is generated if all enabled, texture-backed pixel local storage
+            // planes do not have the same width and height.
+            if (!hasTextureBackedPLSPlanes)
+            {
+                textureBackedPLSExtents   = textureExtents;
+                hasTextureBackedPLSPlanes = true;
+            }
+            else if (textureExtents != textureBackedPLSExtents)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kPLSMismatchedBackingTextureSizes);
+                return false;
+            }
+        }
+        else
+        {
+            // INVALID_OPERATION is generated if <loadops>[0..<planes>-1] is KEEP and the pixel
+            // local storage plane at that same index is memoryless.
+            if (loadops[i] == GL_KEEP)
+            {
+                context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                         kPLSKeepingMemorylessPlane);
+                return false;
+            }
+        }
+    }
+
+    const FramebufferAttachment *firstAttachment =
+        framebuffer->getState().getFirstNonNullAttachment();
+    if (firstAttachment)
+    {
+        // INVALID_OPERATION is generated if the draw framebuffer has other attachments, and its
+        // enabled, texture-backed pixel local storage planes do not have identical dimensions
+        // with the rendering area.
+        if (hasTextureBackedPLSPlanes &&
+            textureBackedPLSExtents != framebuffer->getState().getAttachmentExtentsIntersection())
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kPLSDimensionsDontMatchRenderingArea);
+            return false;
+        }
+    }
+    else
+    {
+        // INVALID_OPERATION is generated if the draw framebuffer has no attachments and no
+        // enabled, texture-backed pixel local storage planes.
+        if (!hasTextureBackedPLSPlanes)
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                     kPLSNoAttachmentsNoTextureBacked);
+            return false;
+        }
+    }
+
+    // INVALID_OPERATION is generated if a single texture image is bound to more than one pixel
+    // local storage plane.
+    //
+    //   TODO(anglebug.com/7279): Block feedback loops
+    //
+
+    // INVALID_OPERATION is generated if a single texture image is simultaneously bound to a pixel
+    // local storage plane and attached to the draw framebuffer.
+    //
+    //   TODO(anglebug.com/7279): Block feedback loops
+    //
+
+    return true;
+}
+
+bool ValidateEndPixelLocalStorageANGLE(const Context *context, angle::EntryPoint entryPoint)
+{
+    return ValidatePLSCommon(context, entryPoint, PLSExpectedStatus::Active);
+}
+
+bool ValidatePixelLocalStorageBarrierANGLE(const Context *context, angle::EntryPoint entryPoint)
+{
+    return ValidatePLSCommon(context, entryPoint, PLSExpectedStatus::Active);
+}
+
+bool ValidateFramebufferFetchBarrierEXT(const Context *context, angle::EntryPoint entryPoint)
+{
+    if (!context->getExtensions().shaderFramebufferFetchNonCoherentEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kFramebufferFetchNonCoherentExtensionNotEnabled);
+        return false;
+    }
+    return true;
+}
+
+bool ValidatePatchParameteriEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum pname,
+                                GLint value)
+{
+    if (!context->getExtensions().tessellationShaderEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION,
+                                 kTessellationShaderExtensionNotEnabled);
+        return false;
+    }
+
+    if (pname != GL_PATCH_VERTICES)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+        return false;
+    }
+
+    if (value <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidValueNonPositive);
+        return false;
+    }
+
+    if (value > context->getCaps().maxPatchVertices)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidValueExceedsMaxPatchSize);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexStorageMemFlags2DANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType targetPacked,
+                                       GLsizei levels,
+                                       GLenum internalFormat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       MemoryObjectID memoryPacked,
+                                       GLuint64 offset,
+                                       GLbitfield createFlags,
+                                       GLbitfield usageFlags,
+                                       const void *imageCreateInfoPNext)
+{
+    if (!context->getExtensions().memoryObjectFlagsANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (!ValidateTexStorageMem2DEXT(context, entryPoint, targetPacked, levels, internalFormat,
+                                    width, height, memoryPacked, offset))
+    {
+        return false;
+    }
+
+    // |createFlags| and |usageFlags| must only have bits specified by the extension.
+    constexpr GLbitfield kAllCreateFlags =
+        GL_CREATE_SPARSE_BINDING_BIT_ANGLE | GL_CREATE_SPARSE_RESIDENCY_BIT_ANGLE |
+        GL_CREATE_SPARSE_ALIASED_BIT_ANGLE | GL_CREATE_MUTABLE_FORMAT_BIT_ANGLE |
+        GL_CREATE_CUBE_COMPATIBLE_BIT_ANGLE | GL_CREATE_ALIAS_BIT_ANGLE |
+        GL_CREATE_SPLIT_INSTANCE_BIND_REGIONS_BIT_ANGLE | GL_CREATE_2D_ARRAY_COMPATIBLE_BIT_ANGLE |
+        GL_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT_ANGLE | GL_CREATE_EXTENDED_USAGE_BIT_ANGLE |
+        GL_CREATE_PROTECTED_BIT_ANGLE | GL_CREATE_DISJOINT_BIT_ANGLE |
+        GL_CREATE_CORNER_SAMPLED_BIT_ANGLE | GL_CREATE_SAMPLE_LOCATIONS_COMPATIBLE_DEPTH_BIT_ANGLE |
+        GL_CREATE_SUBSAMPLED_BIT_ANGLE;
+
+    if ((createFlags & ~kAllCreateFlags) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidExternalCreateFlags);
+        return false;
+    }
+
+    constexpr GLbitfield kAllUsageFlags =
+        GL_USAGE_TRANSFER_SRC_BIT_ANGLE | GL_USAGE_TRANSFER_DST_BIT_ANGLE |
+        GL_USAGE_SAMPLED_BIT_ANGLE | GL_USAGE_STORAGE_BIT_ANGLE |
+        GL_USAGE_COLOR_ATTACHMENT_BIT_ANGLE | GL_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT_ANGLE |
+        GL_USAGE_TRANSIENT_ATTACHMENT_BIT_ANGLE | GL_USAGE_INPUT_ATTACHMENT_BIT_ANGLE |
+        GL_USAGE_SHADING_RATE_IMAGE_BIT_ANGLE | GL_USAGE_FRAGMENT_DENSITY_MAP_BIT_ANGLE;
+
+    if ((usageFlags & ~kAllUsageFlags) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidExternalUsageFlags);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateTexStorageMemFlags2DMultisampleANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  TextureType targetPacked,
+                                                  GLsizei samples,
+                                                  GLenum internalFormat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLboolean fixedSampleLocations,
+                                                  MemoryObjectID memoryPacked,
+                                                  GLuint64 offset,
+                                                  GLbitfield createFlags,
+                                                  GLbitfield usageFlags,
+                                                  const void *imageCreateInfoPNext)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateTexStorageMemFlags3DANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType targetPacked,
+                                       GLsizei levels,
+                                       GLenum internalFormat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth,
+                                       MemoryObjectID memoryPacked,
+                                       GLuint64 offset,
+                                       GLbitfield createFlags,
+                                       GLbitfield usageFlags,
+                                       const void *imageCreateInfoPNext)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateTexStorageMemFlags3DMultisampleANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  TextureType targetPacked,
+                                                  GLsizei samples,
+                                                  GLenum internalFormat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLsizei depth,
+                                                  GLboolean fixedSampleLocations,
+                                                  MemoryObjectID memoryPacked,
+                                                  GLuint64 offset,
+                                                  GLbitfield createFlags,
+                                                  GLbitfield usageFlags,
+                                                  const void *imageCreateInfoPNext)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+// GL_EXT_buffer_storage
+bool ValidateBufferStorageEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              BufferBinding targetPacked,
+                              GLsizeiptr size,
+                              const void *data,
+                              GLbitfield flags)
+{
+    if (!context->isValidBufferBinding(targetPacked))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes);
+        return false;
+    }
+
+    if (size <= 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNonPositiveSize);
+        return false;
+    }
+
+    constexpr GLbitfield kAllUsageFlags =
+        (GL_DYNAMIC_STORAGE_BIT_EXT | GL_MAP_READ_BIT | GL_MAP_WRITE_BIT |
+         GL_MAP_PERSISTENT_BIT_EXT | GL_MAP_COHERENT_BIT_EXT | GL_CLIENT_STORAGE_BIT_EXT);
+    if ((flags & ~kAllUsageFlags) != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBufferUsageFlags);
+        return false;
+    }
+
+    if (((flags & GL_MAP_PERSISTENT_BIT_EXT) != 0) &&
+        ((flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBufferUsageFlags);
+        return false;
+    }
+
+    if (((flags & GL_MAP_COHERENT_BIT_EXT) != 0) && ((flags & GL_MAP_PERSISTENT_BIT_EXT) == 0))
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBufferUsageFlags);
+        return false;
+    }
+
+    Buffer *buffer = context->getState().getTargetBuffer(targetPacked);
+
+    if (buffer == nullptr)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound);
+        return false;
+    }
+
+    if (buffer->isImmutable())
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferImmutable);
+        return false;
+    }
+
+    return true;
+}
+
+// GL_EXT_clip_control
+bool ValidateClipControlEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum origin,
+                            GLenum depth)
+{
+    if ((origin != GL_LOWER_LEFT_EXT) && (origin != GL_UPPER_LEFT_EXT))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidOriginEnum);
+        return false;
+    }
+
+    if ((depth != GL_NEGATIVE_ONE_TO_ONE_EXT) && (depth != GL_ZERO_TO_ONE_EXT))
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidDepthEnum);
+        return false;
+    }
+
+    return true;
+}
+
+// GL_EXT_external_buffer
+bool ValidateBufferStorageExternalEXT(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      BufferBinding targetPacked,
+                                      GLintptr offset,
+                                      GLsizeiptr size,
+                                      GLeglClientBufferEXT clientBuffer,
+                                      GLbitfield flags)
+{
+    if (!ValidateBufferStorageEXT(context, entryPoint, targetPacked, size, nullptr, flags))
+    {
+        return false;
+    }
+
+    if (offset != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kExternalBufferInvalidOffset);
+        return false;
+    }
+
+    if (clientBuffer == nullptr && size > 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kClientBufferInvalid);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateNamedBufferStorageExternalEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLuint buffer,
+                                           GLintptr offset,
+                                           GLsizeiptr size,
+                                           GLeglClientBufferEXT clientBuffer,
+                                           GLbitfield flags)
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+// GL_EXT_primitive_bounding_box
+bool ValidatePrimitiveBoundingBoxEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLfloat minX,
+                                     GLfloat minY,
+                                     GLfloat minZ,
+                                     GLfloat minW,
+                                     GLfloat maxX,
+                                     GLfloat maxY,
+                                     GLfloat maxZ,
+                                     GLfloat maxW)
+{
+    if (!context->getExtensions().primitiveBoundingBoxEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+// GL_OES_primitive_bounding_box
+bool ValidatePrimitiveBoundingBoxOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLfloat minX,
+                                     GLfloat minY,
+                                     GLfloat minZ,
+                                     GLfloat minW,
+                                     GLfloat maxX,
+                                     GLfloat maxY,
+                                     GLfloat maxZ,
+                                     GLfloat maxW)
+{
+    if (!context->getExtensions().primitiveBoundingBoxOES)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+// GL_EXT_separate_shader_objects
+bool ValidateActiveShaderProgramEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ProgramPipelineID pipelinePacked,
+                                    ShaderProgramID programPacked)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateActiveShaderProgramBase(context, entryPoint, pipelinePacked, programPacked);
+}
+
+bool ValidateBindProgramPipelineEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ProgramPipelineID pipelinePacked)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateBindProgramPipelineBase(context, entryPoint, pipelinePacked);
+}
+
+bool ValidateCreateShaderProgramvEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderType typePacked,
+                                     GLsizei count,
+                                     const GLchar **strings)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateCreateShaderProgramvBase(context, entryPoint, typePacked, count, strings);
+}
+
+bool ValidateDeleteProgramPipelinesEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLsizei n,
+                                       const ProgramPipelineID *pipelinesPacked)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateDeleteProgramPipelinesBase(context, entryPoint, n, pipelinesPacked);
+}
+
+bool ValidateGenProgramPipelinesEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const ProgramPipelineID *pipelinesPacked)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGenProgramPipelinesBase(context, entryPoint, n, pipelinesPacked);
+}
+
+bool ValidateGetProgramPipelineInfoLogEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ProgramPipelineID pipelinePacked,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLchar *infoLog)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGetProgramPipelineInfoLogBase(context, entryPoint, pipelinePacked, bufSize,
+                                                 length, infoLog);
+}
+
+bool ValidateGetProgramPipelineivEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipelinePacked,
+                                     GLenum pname,
+                                     const GLint *params)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateGetProgramPipelineivBase(context, entryPoint, pipelinePacked, pname, params);
+}
+
+bool ValidateIsProgramPipelineEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProgramPipelineID pipelinePacked)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateIsProgramPipelineBase(context, entryPoint, pipelinePacked);
+}
+
+bool ValidateProgramParameteriEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  GLenum pname,
+                                  GLint value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramParameteriBase(context, entryPoint, programPacked, pname, value);
+}
+
+bool ValidateProgramUniform1fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform1fBase(context, entryPoint, programPacked, locationPacked, v0);
+}
+
+bool ValidateProgramUniform1fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform1fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform1iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform1iBase(context, entryPoint, programPacked, locationPacked, v0);
+}
+
+bool ValidateProgramUniform1ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform1ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform1uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform1uiBase(context, entryPoint, programPacked, locationPacked, v0);
+}
+
+bool ValidateProgramUniform1uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform1uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniform2fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0,
+                                 GLfloat v1)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform2fBase(context, entryPoint, programPacked, locationPacked, v0, v1);
+}
+
+bool ValidateProgramUniform2fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform2fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform2iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0,
+                                 GLint v1)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform2iBase(context, entryPoint, programPacked, locationPacked, v0, v1);
+}
+
+bool ValidateProgramUniform2ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform2ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform2uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0,
+                                  GLuint v1)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform2uiBase(context, entryPoint, programPacked, locationPacked, v0,
+                                         v1);
+}
+
+bool ValidateProgramUniform2uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform2uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniform3fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0,
+                                 GLfloat v1,
+                                 GLfloat v2)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform3fBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2);
+}
+
+bool ValidateProgramUniform3fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform3fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform3iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0,
+                                 GLint v1,
+                                 GLint v2)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform3iBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2);
+}
+
+bool ValidateProgramUniform3ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform3ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform3uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0,
+                                  GLuint v1,
+                                  GLuint v2)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform3uiBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                         v2);
+}
+
+bool ValidateProgramUniform3uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform3uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniform4fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0,
+                                 GLfloat v1,
+                                 GLfloat v2,
+                                 GLfloat v3)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform4fBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2, v3);
+}
+
+bool ValidateProgramUniform4fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform4fvBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform4iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0,
+                                 GLint v1,
+                                 GLint v2,
+                                 GLint v3)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform4iBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                        v2, v3);
+}
+
+bool ValidateProgramUniform4ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value)
+{
+    return ValidateProgramUniform4ivBase(context, entryPoint, programPacked, locationPacked, count,
+                                         value);
+}
+
+bool ValidateProgramUniform4uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0,
+                                  GLuint v1,
+                                  GLuint v2,
+                                  GLuint v3)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniform4uiBase(context, entryPoint, programPacked, locationPacked, v0, v1,
+                                         v2, v3);
+}
+
+bool ValidateProgramUniform4uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value)
+{
+    return ValidateProgramUniform4uivBase(context, entryPoint, programPacked, locationPacked, count,
+                                          value);
+}
+
+bool ValidateProgramUniformMatrix2fvEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix2fvBase(context, entryPoint, programPacked, locationPacked,
+                                               count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix2x3fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix2x3fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix2x4fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix2x4fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix3fvEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix3fvBase(context, entryPoint, programPacked, locationPacked,
+                                               count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix3x2fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix3x2fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix3x4fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix3x4fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix4fvEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix4fvBase(context, entryPoint, programPacked, locationPacked,
+                                               count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix4x2fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix4x2fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateProgramUniformMatrix4x3fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateProgramUniformMatrix4x3fvBase(context, entryPoint, programPacked, locationPacked,
+                                                 count, transpose, value);
+}
+
+bool ValidateUseProgramStagesEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ProgramPipelineID pipelinePacked,
+                                 GLbitfield stages,
+                                 ShaderProgramID programPacked)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateUseProgramStagesBase(context, entryPoint, pipelinePacked, stages, programPacked);
+}
+
+bool ValidateValidateProgramPipelineEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ProgramPipelineID pipelinePacked)
+{
+    if (!context->getExtensions().separateShaderObjectsEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateValidateProgramPipelineBase(context, entryPoint, pipelinePacked);
+}
+
+// GL_EXT_debug_label
+bool ValidateGetObjectLabelEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum type,
+                               GLuint object,
+                               GLsizei bufSize,
+                               const GLsizei *length,
+                               const GLchar *label)
+{
+    if (!context->getExtensions().debugLabelEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (bufSize < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize);
+        return false;
+    }
+
+    return ValidateObjectIdentifierAndName(context, entryPoint, type, object);
+}
+
+bool ValidateLabelObjectEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum type,
+                            GLuint object,
+                            GLsizei length,
+                            const GLchar *label)
+{
+    if (!context->getExtensions().debugLabelEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (length < 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLength);
+        return false;
+    }
+
+    return ValidateObjectIdentifierAndName(context, entryPoint, type, object);
+}
+
+bool ValidateEGLImageTargetTextureStorageEXT(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             GLuint texture,
+                                             GLeglImageOES image,
+                                             const GLint *attrib_list)
+{
+    UNREACHABLE();
+    return false;
+}
+
+bool ValidateEGLImageTargetTexStorageEXT(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum target,
+                                         GLeglImageOES image,
+                                         const GLint *attrib_list)
+{
+    if (!context->getExtensions().EGLImageStorageEXT)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    gl::TextureType targetType = FromGLenum<TextureType>(target);
+    switch (targetType)
+    {
+        case TextureType::External:
+            if (!context->getExtensions().EGLImageExternalOES)
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                          ToGLenum(targetType));
+            }
+            break;
+        case TextureType::CubeMapArray:
+            if (!context->getExtensions().textureCubeMapArrayAny())
+            {
+                context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported,
+                                          ToGLenum(targetType));
+            }
+            break;
+        case TextureType::_2D:
+        case TextureType::_2DArray:
+        case TextureType::_3D:
+        case TextureType::CubeMap:
+            break;
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget);
+            return false;
+    }
+
+    // Validate egl source image is valid
+    egl::Image *imageObject = static_cast<egl::Image *>(image);
+    if (!ValidateEGLImageObject(context, entryPoint, targetType, image))
+    {
+        return false;
+    }
+
+    // attrib list validation
+    if (attrib_list != nullptr && attrib_list[0] != GL_NONE)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kAttributeListNotNull);
+        return false;
+    }
+
+    GLsizei levelCount    = imageObject->getLevelCount();
+    Extents size          = imageObject->getExtents();
+    GLsizei width         = static_cast<GLsizei>(size.width);
+    GLsizei height        = static_cast<GLsizei>(size.height);
+    GLsizei depth         = static_cast<GLsizei>(size.depth);
+    GLenum internalformat = imageObject->getFormat().info->sizedInternalFormat;
+
+    if (width < 1 || height < 1 || depth < 1 || levelCount < 1)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kTextureSizeTooSmall);
+        return false;
+    }
+
+    if (!ValidateES3TexStorageParametersLevel(context, entryPoint, targetType, levelCount, width,
+                                              height, depth))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    if (targetType == TextureType::External)
+    {
+        const Caps &caps = context->getCaps();
+        if (width > caps.max2DTextureSize || height > caps.max2DTextureSize)
+        {
+            context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize);
+            return false;
+        }
+    }
+    else if (!ValidateES3TexStorageParametersExtent(context, entryPoint, targetType, levelCount,
+                                                    width, height, depth))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    if (!ValidateES3TexStorageParametersTexObject(context, entryPoint, targetType))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    if (!ValidateES3TexStorageParametersFormat(context, entryPoint, targetType, levelCount,
+                                               internalformat, width, height, depth))
+    {
+        // Error already generated.
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateAcquireTexturesANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint numTextures,
+                                  const TextureID *textures,
+                                  const GLenum *layouts)
+{
+    if (!context->getExtensions().vulkanImageANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    for (GLuint i = 0; i < numTextures; ++i)
+    {
+        if (!context->getTexture(textures[i]))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureName);
+            return false;
+        }
+        if (!IsValidImageLayout(FromGLenum<ImageLayout>(layouts[i])))
+        {
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidImageLayout);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateReleaseTexturesANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint numTextures,
+                                  const TextureID *textures,
+                                  const GLenum *layouts)
+{
+    if (!context->getExtensions().vulkanImageANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+    for (GLuint i = 0; i < numTextures; ++i)
+    {
+        if (!context->getTexture(textures[i]))
+        {
+            context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureName);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ValidateFramebufferParameteriMESA(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum pname,
+                                       GLint param)
+{
+    if (pname != GL_FRAMEBUFFER_FLIP_Y_MESA)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+        return false;
+    }
+    return ValidateFramebufferParameteriBase(context, entryPoint, target, pname, param);
+}
+
+bool ValidateGetFramebufferParameterivMESA(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLenum target,
+                                           GLenum pname,
+                                           const GLint *params)
+{
+    if (pname != GL_FRAMEBUFFER_FLIP_Y_MESA)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+        return false;
+    }
+    return ValidateGetFramebufferParameterivBase(context, entryPoint, target, pname, params);
+}
+
+// GL_AMD_performance_monitor
+bool ValidateBeginPerfMonitorAMD(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint monitor)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateDeletePerfMonitorsAMD(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const GLuint *monitors)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateEndPerfMonitorAMD(const Context *context, angle::EntryPoint entryPoint, GLuint monitor)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGenPerfMonitorsAMD(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const GLuint *monitors)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateGetPerfMonitorCounterDataAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint monitor,
+                                          GLenum pname,
+                                          GLsizei dataSize,
+                                          const GLuint *data,
+                                          const GLint *bytesWritten)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    if (monitor != 0)
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPerfMonitor);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_PERFMON_RESULT_AVAILABLE_AMD:
+        case GL_PERFMON_RESULT_SIZE_AMD:
+        case GL_PERFMON_RESULT_AMD:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPerfMonitorCounterInfoAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint group,
+                                          GLuint counter,
+                                          GLenum pname,
+                                          const void *data)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const angle::PerfMonitorCounterGroups &groups = context->getPerfMonitorCounterGroups();
+
+    if (group >= groups.size())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPerfMonitorGroup);
+        return false;
+    }
+
+    if (counter >= groups[group].counters.size())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPerfMonitorCounter);
+        return false;
+    }
+
+    switch (pname)
+    {
+        case GL_COUNTER_TYPE_AMD:
+        case GL_COUNTER_RANGE_AMD:
+            break;
+
+        default:
+            context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname);
+            return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPerfMonitorCounterStringAMD(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLuint group,
+                                            GLuint counter,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLchar *counterString)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const angle::PerfMonitorCounterGroups &groups = context->getPerfMonitorCounterGroups();
+
+    if (group >= groups.size())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPerfMonitorGroup);
+        return false;
+    }
+
+    if (counter >= groups[group].counters.size())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPerfMonitorCounter);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPerfMonitorCountersAMD(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint group,
+                                       const GLint *numCounters,
+                                       const GLint *maxActiveCounters,
+                                       GLsizei counterSize,
+                                       const GLuint *counters)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const angle::PerfMonitorCounterGroups &groups = context->getPerfMonitorCounterGroups();
+
+    if (group >= groups.size())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPerfMonitorGroup);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPerfMonitorGroupStringAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint group,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLchar *groupString)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    const angle::PerfMonitorCounterGroups &groups = context->getPerfMonitorCounterGroups();
+
+    if (group >= groups.size())
+    {
+        context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidPerfMonitorGroup);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateGetPerfMonitorGroupsAMD(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     const GLint *numGroups,
+                                     GLsizei groupsSize,
+                                     const GLuint *groups)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateSelectPerfMonitorCountersAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint monitor,
+                                          GLboolean enable,
+                                          GLuint group,
+                                          GLint numCounters,
+                                          const GLuint *counterList)
+{
+    if (!context->getExtensions().performanceMonitorAMD)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    UNIMPLEMENTED();
+    return false;
+}
+
+bool ValidateShadingRateQCOM(const Context *context, angle::EntryPoint entryPoint, GLenum rate)
+{
+    if (!context->getExtensions().shadingRateQCOM)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    gl::ShadingRate shadingRate = gl::FromGLenum<gl::ShadingRate>(rate);
+    if (shadingRate == gl::ShadingRate::Undefined || shadingRate == gl::ShadingRate::InvalidEnum)
+    {
+        context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidShadingRate);
+        return false;
+    }
+
+    return true;
+}
+
+bool ValidateLogicOpANGLE(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          LogicalOperation opcodePacked)
+{
+    if (!context->getExtensions().logicOpANGLE)
+    {
+        context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled);
+        return false;
+    }
+
+    return ValidateLogicOpCommon(context, entryPoint, opcodePacked);
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationESEXT.h b/gfx/angle/checkout/src/libANGLE/validationESEXT.h
new file mode 100644
index 0000000000..b22ed4e379
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationESEXT.h
@@ -0,0 +1,20 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationESEXT.h:
+//  Inlined validation functions for OpenGL ES extension entry points.
+
+#ifndef LIBANGLE_VALIDATION_ESEXT_H_
+#define LIBANGLE_VALIDATION_ESEXT_H_
+
+#include "libANGLE/ErrorStrings.h"
+#include "libANGLE/validationESEXT_autogen.h"
+
+namespace gl
+{
+// Nothing here yet.
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ESEXT_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationESEXT_autogen.h b/gfx/angle/checkout/src/libANGLE/validationESEXT_autogen.h
new file mode 100644
index 0000000000..47be44ab2f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationESEXT_autogen.h
@@ -0,0 +1,2646 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml and gl_angle_ext.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationESEXT_autogen.h:
+//   Validation functions for the OpenGL ES extension entry points.
+
+#ifndef LIBANGLE_VALIDATION_ESEXT_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_ESEXT_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+// GL_AMD_performance_monitor
+bool ValidateBeginPerfMonitorAMD(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint monitor);
+bool ValidateDeletePerfMonitorsAMD(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const GLuint *monitors);
+bool ValidateEndPerfMonitorAMD(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint monitor);
+bool ValidateGenPerfMonitorsAMD(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const GLuint *monitors);
+bool ValidateGetPerfMonitorCounterDataAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint monitor,
+                                          GLenum pname,
+                                          GLsizei dataSize,
+                                          const GLuint *data,
+                                          const GLint *bytesWritten);
+bool ValidateGetPerfMonitorCounterInfoAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint group,
+                                          GLuint counter,
+                                          GLenum pname,
+                                          const void *data);
+bool ValidateGetPerfMonitorCounterStringAMD(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLuint group,
+                                            GLuint counter,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLchar *counterString);
+bool ValidateGetPerfMonitorCountersAMD(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint group,
+                                       const GLint *numCounters,
+                                       const GLint *maxActiveCounters,
+                                       GLsizei counterSize,
+                                       const GLuint *counters);
+bool ValidateGetPerfMonitorGroupStringAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint group,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLchar *groupString);
+bool ValidateGetPerfMonitorGroupsAMD(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     const GLint *numGroups,
+                                     GLsizei groupsSize,
+                                     const GLuint *groups);
+bool ValidateSelectPerfMonitorCountersAMD(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint monitor,
+                                          GLboolean enable,
+                                          GLuint group,
+                                          GLint numCounters,
+                                          const GLuint *counterList);
+
+// GL_ANDROID_extension_pack_es31a
+
+// GL_ANGLE_base_vertex_base_instance
+bool ValidateDrawArraysInstancedBaseInstanceANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  PrimitiveMode modePacked,
+                                                  GLint first,
+                                                  GLsizei count,
+                                                  GLsizei instanceCount,
+                                                  GLuint baseInstance);
+bool ValidateDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context,
+                                                              angle::EntryPoint entryPoint,
+                                                              PrimitiveMode modePacked,
+                                                              GLsizei count,
+                                                              DrawElementsType typePacked,
+                                                              const GLvoid *indices,
+                                                              GLsizei instanceCount,
+                                                              GLint baseVertex,
+                                                              GLuint baseInstance);
+bool ValidateMultiDrawArraysInstancedBaseInstanceANGLE(const Context *context,
+                                                       angle::EntryPoint entryPoint,
+                                                       PrimitiveMode modePacked,
+                                                       const GLint *firsts,
+                                                       const GLsizei *counts,
+                                                       const GLsizei *instanceCounts,
+                                                       const GLuint *baseInstances,
+                                                       GLsizei drawcount);
+bool ValidateMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context,
+                                                                   angle::EntryPoint entryPoint,
+                                                                   PrimitiveMode modePacked,
+                                                                   const GLsizei *counts,
+                                                                   DrawElementsType typePacked,
+                                                                   const GLvoid *const *indices,
+                                                                   const GLsizei *instanceCounts,
+                                                                   const GLint *baseVertices,
+                                                                   const GLuint *baseInstances,
+                                                                   GLsizei drawcount);
+
+// GL_ANGLE_copy_texture_3d
+bool ValidateCopyTexture3DANGLE(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID sourceIdPacked,
+                                GLint sourceLevel,
+                                TextureTarget destTargetPacked,
+                                TextureID destIdPacked,
+                                GLint destLevel,
+                                GLint internalFormat,
+                                GLenum destType,
+                                GLboolean unpackFlipY,
+                                GLboolean unpackPremultiplyAlpha,
+                                GLboolean unpackUnmultiplyAlpha);
+bool ValidateCopySubTexture3DANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID sourceIdPacked,
+                                   GLint sourceLevel,
+                                   TextureTarget destTargetPacked,
+                                   TextureID destIdPacked,
+                                   GLint destLevel,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint zoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLint z,
+                                   GLint width,
+                                   GLint height,
+                                   GLint depth,
+                                   GLboolean unpackFlipY,
+                                   GLboolean unpackPremultiplyAlpha,
+                                   GLboolean unpackUnmultiplyAlpha);
+
+// GL_ANGLE_depth_texture
+
+// GL_ANGLE_framebuffer_blit
+bool ValidateBlitFramebufferANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLint srcX0,
+                                  GLint srcY0,
+                                  GLint srcX1,
+                                  GLint srcY1,
+                                  GLint dstX0,
+                                  GLint dstY0,
+                                  GLint dstX1,
+                                  GLint dstY1,
+                                  GLbitfield mask,
+                                  GLenum filter);
+
+// GL_ANGLE_framebuffer_multisample
+bool ValidateRenderbufferStorageMultisampleANGLE(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 GLenum target,
+                                                 GLsizei samples,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height);
+
+// GL_ANGLE_get_image
+bool ValidateGetTexImageANGLE(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureTarget targetPacked,
+                              GLint level,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels);
+bool ValidateGetCompressedTexImageANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureTarget targetPacked,
+                                        GLint level,
+                                        const void *pixels);
+bool ValidateGetRenderbufferImageANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum format,
+                                       GLenum type,
+                                       const void *pixels);
+
+// GL_ANGLE_get_tex_level_parameter
+bool ValidateGetTexLevelParameterivANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLenum pname,
+                                         const GLint *params);
+bool ValidateGetTexLevelParameterfvANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureTarget targetPacked,
+                                         GLint level,
+                                         GLenum pname,
+                                         const GLfloat *params);
+
+// GL_ANGLE_instanced_arrays
+bool ValidateDrawArraysInstancedANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      PrimitiveMode modePacked,
+                                      GLint first,
+                                      GLsizei count,
+                                      GLsizei primcount);
+bool ValidateDrawElementsInstancedANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        PrimitiveMode modePacked,
+                                        GLsizei count,
+                                        DrawElementsType typePacked,
+                                        const void *indices,
+                                        GLsizei primcount);
+bool ValidateVertexAttribDivisorANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLuint index,
+                                      GLuint divisor);
+
+// GL_ANGLE_logic_op
+bool ValidateLogicOpANGLE(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          LogicalOperation opcodePacked);
+
+// GL_ANGLE_memory_object_flags
+bool ValidateTexStorageMemFlags2DANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType targetPacked,
+                                       GLsizei levels,
+                                       GLenum internalFormat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       MemoryObjectID memoryPacked,
+                                       GLuint64 offset,
+                                       GLbitfield createFlags,
+                                       GLbitfield usageFlags,
+                                       const void *imageCreateInfoPNext);
+bool ValidateTexStorageMemFlags2DMultisampleANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  TextureType targetPacked,
+                                                  GLsizei samples,
+                                                  GLenum internalFormat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLboolean fixedSampleLocations,
+                                                  MemoryObjectID memoryPacked,
+                                                  GLuint64 offset,
+                                                  GLbitfield createFlags,
+                                                  GLbitfield usageFlags,
+                                                  const void *imageCreateInfoPNext);
+bool ValidateTexStorageMemFlags3DANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType targetPacked,
+                                       GLsizei levels,
+                                       GLenum internalFormat,
+                                       GLsizei width,
+                                       GLsizei height,
+                                       GLsizei depth,
+                                       MemoryObjectID memoryPacked,
+                                       GLuint64 offset,
+                                       GLbitfield createFlags,
+                                       GLbitfield usageFlags,
+                                       const void *imageCreateInfoPNext);
+bool ValidateTexStorageMemFlags3DMultisampleANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  TextureType targetPacked,
+                                                  GLsizei samples,
+                                                  GLenum internalFormat,
+                                                  GLsizei width,
+                                                  GLsizei height,
+                                                  GLsizei depth,
+                                                  GLboolean fixedSampleLocations,
+                                                  MemoryObjectID memoryPacked,
+                                                  GLuint64 offset,
+                                                  GLbitfield createFlags,
+                                                  GLbitfield usageFlags,
+                                                  const void *imageCreateInfoPNext);
+
+// GL_ANGLE_memory_object_fuchsia
+bool ValidateImportMemoryZirconHandleANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           MemoryObjectID memoryPacked,
+                                           GLuint64 size,
+                                           HandleType handleTypePacked,
+                                           GLuint handle);
+
+// GL_ANGLE_multi_draw
+bool ValidateMultiDrawArraysANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  PrimitiveMode modePacked,
+                                  const GLint *firsts,
+                                  const GLsizei *counts,
+                                  GLsizei drawcount);
+bool ValidateMultiDrawArraysInstancedANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           PrimitiveMode modePacked,
+                                           const GLint *firsts,
+                                           const GLsizei *counts,
+                                           const GLsizei *instanceCounts,
+                                           GLsizei drawcount);
+bool ValidateMultiDrawElementsANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode modePacked,
+                                    const GLsizei *counts,
+                                    DrawElementsType typePacked,
+                                    const GLvoid *const *indices,
+                                    GLsizei drawcount);
+bool ValidateMultiDrawElementsInstancedANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             PrimitiveMode modePacked,
+                                             const GLsizei *counts,
+                                             DrawElementsType typePacked,
+                                             const GLvoid *const *indices,
+                                             const GLsizei *instanceCounts,
+                                             GLsizei drawcount);
+
+// GL_ANGLE_pack_reverse_row_order
+
+// GL_ANGLE_program_binary
+
+// GL_ANGLE_provoking_vertex
+bool ValidateProvokingVertexANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProvokingVertexConvention modePacked);
+
+// GL_ANGLE_request_extension
+bool ValidateRequestExtensionANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   const GLchar *name);
+bool ValidateDisableExtensionANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   const GLchar *name);
+
+// GL_ANGLE_robust_client_memory
+bool ValidateGetBooleanvRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLboolean *params);
+bool ValidateGetBufferParameterivRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             BufferBinding targetPacked,
+                                             GLenum pname,
+                                             GLsizei bufSize,
+                                             const GLsizei *length,
+                                             const GLint *params);
+bool ValidateGetFloatvRobustANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum pname,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLfloat *params);
+bool ValidateGetFramebufferAttachmentParameterivRobustANGLE(const Context *context,
+                                                            angle::EntryPoint entryPoint,
+                                                            GLenum target,
+                                                            GLenum attachment,
+                                                            GLenum pname,
+                                                            GLsizei bufSize,
+                                                            const GLsizei *length,
+                                                            const GLint *params);
+bool ValidateGetIntegervRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLint *data);
+bool ValidateGetProgramivRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     GLenum pname,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLint *params);
+bool ValidateGetRenderbufferParameterivRobustANGLE(const Context *context,
+                                                   angle::EntryPoint entryPoint,
+                                                   GLenum target,
+                                                   GLenum pname,
+                                                   GLsizei bufSize,
+                                                   const GLsizei *length,
+                                                   const GLint *params);
+bool ValidateGetShaderivRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ShaderProgramID shaderPacked,
+                                    GLenum pname,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLint *params);
+bool ValidateGetTexParameterfvRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType targetPacked,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLfloat *params);
+bool ValidateGetTexParameterivRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType targetPacked,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLint *params);
+bool ValidateGetUniformfvRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLfloat *params);
+bool ValidateGetUniformivRobustANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLint *params);
+bool ValidateGetVertexAttribfvRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint index,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLfloat *params);
+bool ValidateGetVertexAttribivRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint index,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLint *params);
+bool ValidateGetVertexAttribPointervRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                GLuint index,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                const GLsizei *length,
+                                                void *const *pointer);
+bool ValidateReadPixelsRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const GLsizei *length,
+                                   const GLsizei *columns,
+                                   const GLsizei *rows,
+                                   const void *pixels);
+bool ValidateTexImage2DRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureTarget targetPacked,
+                                   GLint level,
+                                   GLint internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLint border,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const void *pixels);
+bool ValidateTexParameterfvRobustANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType targetPacked,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       const GLfloat *params);
+bool ValidateTexParameterivRobustANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureType targetPacked,
+                                       GLenum pname,
+                                       GLsizei bufSize,
+                                       const GLint *params);
+bool ValidateTexSubImage2DRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      TextureTarget targetPacked,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLint yoffset,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLenum format,
+                                      GLenum type,
+                                      GLsizei bufSize,
+                                      const void *pixels);
+bool ValidateTexImage3DRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureTarget targetPacked,
+                                   GLint level,
+                                   GLint internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth,
+                                   GLint border,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const void *pixels);
+bool ValidateTexSubImage3DRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      TextureTarget targetPacked,
+                                      GLint level,
+                                      GLint xoffset,
+                                      GLint yoffset,
+                                      GLint zoffset,
+                                      GLsizei width,
+                                      GLsizei height,
+                                      GLsizei depth,
+                                      GLenum format,
+                                      GLenum type,
+                                      GLsizei bufSize,
+                                      const void *pixels);
+bool ValidateCompressedTexImage2DRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             TextureTarget targetPacked,
+                                             GLint level,
+                                             GLenum internalformat,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLint border,
+                                             GLsizei imageSize,
+                                             GLsizei dataSize,
+                                             const GLvoid *data);
+bool ValidateCompressedTexSubImage2DRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                TextureTarget targetPacked,
+                                                GLint level,
+                                                GLsizei xoffset,
+                                                GLsizei yoffset,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLenum format,
+                                                GLsizei imageSize,
+                                                GLsizei dataSize,
+                                                const GLvoid *data);
+bool ValidateCompressedTexImage3DRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             TextureTarget targetPacked,
+                                             GLint level,
+                                             GLenum internalformat,
+                                             GLsizei width,
+                                             GLsizei height,
+                                             GLsizei depth,
+                                             GLint border,
+                                             GLsizei imageSize,
+                                             GLsizei dataSize,
+                                             const GLvoid *data);
+bool ValidateCompressedTexSubImage3DRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                TextureTarget targetPacked,
+                                                GLint level,
+                                                GLint xoffset,
+                                                GLint yoffset,
+                                                GLint zoffset,
+                                                GLsizei width,
+                                                GLsizei height,
+                                                GLsizei depth,
+                                                GLenum format,
+                                                GLsizei imageSize,
+                                                GLsizei dataSize,
+                                                const GLvoid *data);
+bool ValidateGetQueryivRobustANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   QueryType targetPacked,
+                                   GLenum pname,
+                                   GLsizei bufSize,
+                                   const GLsizei *length,
+                                   const GLint *params);
+bool ValidateGetQueryObjectuivRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          QueryID idPacked,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLuint *params);
+bool ValidateGetBufferPointervRobustANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          BufferBinding targetPacked,
+                                          GLenum pname,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          void *const *params);
+bool ValidateGetIntegeri_vRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum target,
+                                      GLuint index,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLint *data);
+bool ValidateGetInternalformativRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLenum internalformat,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLint *params);
+bool ValidateGetVertexAttribIivRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLuint index,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           const GLint *params);
+bool ValidateGetVertexAttribIuivRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLuint index,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLuint *params);
+bool ValidateGetUniformuivRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID programPacked,
+                                      UniformLocation locationPacked,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLuint *params);
+bool ValidateGetActiveUniformBlockivRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                ShaderProgramID programPacked,
+                                                UniformBlockIndex uniformBlockIndexPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                const GLsizei *length,
+                                                const GLint *params);
+bool ValidateGetInteger64vRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum pname,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLint64 *data);
+bool ValidateGetInteger64i_vRobustANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum target,
+                                        GLuint index,
+                                        GLsizei bufSize,
+                                        const GLsizei *length,
+                                        const GLint64 *data);
+bool ValidateGetBufferParameteri64vRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               BufferBinding targetPacked,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLint64 *params);
+bool ValidateSamplerParameterivRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           SamplerID samplerPacked,
+                                           GLuint pname,
+                                           GLsizei bufSize,
+                                           const GLint *param);
+bool ValidateSamplerParameterfvRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           SamplerID samplerPacked,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLfloat *param);
+bool ValidateGetSamplerParameterivRobustANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              SamplerID samplerPacked,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              const GLsizei *length,
+                                              const GLint *params);
+bool ValidateGetSamplerParameterfvRobustANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              SamplerID samplerPacked,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              const GLsizei *length,
+                                              const GLfloat *params);
+bool ValidateGetFramebufferParameterivRobustANGLE(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum target,
+                                                  GLenum pname,
+                                                  GLsizei bufSize,
+                                                  const GLsizei *length,
+                                                  const GLint *params);
+bool ValidateGetProgramInterfaceivRobustANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              ShaderProgramID programPacked,
+                                              GLenum programInterface,
+                                              GLenum pname,
+                                              GLsizei bufSize,
+                                              const GLsizei *length,
+                                              const GLint *params);
+bool ValidateGetBooleani_vRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLenum target,
+                                      GLuint index,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLboolean *data);
+bool ValidateGetMultisamplefvRobustANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum pname,
+                                         GLuint index,
+                                         GLsizei bufSize,
+                                         const GLsizei *length,
+                                         const GLfloat *val);
+bool ValidateGetTexLevelParameterivRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               TextureTarget targetPacked,
+                                               GLint level,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLint *params);
+bool ValidateGetTexLevelParameterfvRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               TextureTarget targetPacked,
+                                               GLint level,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLfloat *params);
+bool ValidateGetPointervRobustANGLERobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               void *const *params);
+bool ValidateReadnPixelsRobustANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLint x,
+                                    GLint y,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLenum format,
+                                    GLenum type,
+                                    GLsizei bufSize,
+                                    const GLsizei *length,
+                                    const GLsizei *columns,
+                                    const GLsizei *rows,
+                                    const void *data);
+bool ValidateGetnUniformfvRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID programPacked,
+                                      UniformLocation locationPacked,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLfloat *params);
+bool ValidateGetnUniformivRobustANGLE(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      ShaderProgramID programPacked,
+                                      UniformLocation locationPacked,
+                                      GLsizei bufSize,
+                                      const GLsizei *length,
+                                      const GLint *params);
+bool ValidateGetnUniformuivRobustANGLE(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei bufSize,
+                                       const GLsizei *length,
+                                       const GLuint *params);
+bool ValidateTexParameterIivRobustANGLE(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType targetPacked,
+                                        GLenum pname,
+                                        GLsizei bufSize,
+                                        const GLint *params);
+bool ValidateTexParameterIuivRobustANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureType targetPacked,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         const GLuint *params);
+bool ValidateGetTexParameterIivRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType targetPacked,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           const GLint *params);
+bool ValidateGetTexParameterIuivRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            TextureType targetPacked,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLuint *params);
+bool ValidateSamplerParameterIivRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            SamplerID samplerPacked,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLint *param);
+bool ValidateSamplerParameterIuivRobustANGLE(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             SamplerID samplerPacked,
+                                             GLenum pname,
+                                             GLsizei bufSize,
+                                             const GLuint *param);
+bool ValidateGetSamplerParameterIivRobustANGLE(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               SamplerID samplerPacked,
+                                               GLenum pname,
+                                               GLsizei bufSize,
+                                               const GLsizei *length,
+                                               const GLint *params);
+bool ValidateGetSamplerParameterIuivRobustANGLE(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                SamplerID samplerPacked,
+                                                GLenum pname,
+                                                GLsizei bufSize,
+                                                const GLsizei *length,
+                                                const GLuint *params);
+bool ValidateGetQueryObjectivRobustANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         QueryID idPacked,
+                                         GLenum pname,
+                                         GLsizei bufSize,
+                                         const GLsizei *length,
+                                         const GLint *params);
+bool ValidateGetQueryObjecti64vRobustANGLE(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           QueryID idPacked,
+                                           GLenum pname,
+                                           GLsizei bufSize,
+                                           const GLsizei *length,
+                                           const GLint64 *params);
+bool ValidateGetQueryObjectui64vRobustANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            QueryID idPacked,
+                                            GLenum pname,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLuint64 *params);
+
+// GL_ANGLE_robust_resource_initialization
+
+// GL_ANGLE_semaphore_fuchsia
+bool ValidateImportSemaphoreZirconHandleANGLE(const Context *context,
+                                              angle::EntryPoint entryPoint,
+                                              SemaphoreID semaphorePacked,
+                                              HandleType handleTypePacked,
+                                              GLuint handle);
+
+// GL_ANGLE_shader_pixel_local_storage
+bool ValidateFramebufferMemorylessPixelLocalStorageANGLE(const Context *context,
+                                                         angle::EntryPoint entryPoint,
+                                                         GLint plane,
+                                                         GLenum internalformat);
+bool ValidateFramebufferTexturePixelLocalStorageANGLE(const Context *context,
+                                                      angle::EntryPoint entryPoint,
+                                                      GLint plane,
+                                                      TextureID backingtexturePacked,
+                                                      GLint level,
+                                                      GLint layer);
+bool ValidateBeginPixelLocalStorageANGLE(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLsizei planes,
+                                         const GLenum *loadops,
+                                         const void *cleardata);
+bool ValidateEndPixelLocalStorageANGLE(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePixelLocalStorageBarrierANGLE(const Context *context, angle::EntryPoint entryPoint);
+
+// GL_ANGLE_texture_compression_dxt3
+
+// GL_ANGLE_texture_compression_dxt5
+
+// GL_ANGLE_texture_external_update
+bool ValidateTexImage2DExternalANGLE(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget targetPacked,
+                                     GLint level,
+                                     GLint internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLint border,
+                                     GLenum format,
+                                     GLenum type);
+bool ValidateInvalidateTextureANGLE(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureType targetPacked);
+
+// GL_ANGLE_texture_multisample
+bool ValidateTexStorage2DMultisampleANGLE(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureType targetPacked,
+                                          GLsizei samples,
+                                          GLenum internalformat,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLboolean fixedsamplelocations);
+bool ValidateGetMultisamplefvANGLE(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum pname,
+                                   GLuint index,
+                                   const GLfloat *val);
+bool ValidateSampleMaskiANGLE(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint maskNumber,
+                              GLbitfield mask);
+
+// GL_ANGLE_texture_usage
+
+// GL_ANGLE_translated_shader_source
+bool ValidateGetTranslatedShaderSourceANGLE(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID shaderPacked,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLchar *source);
+
+// GL_ANGLE_vulkan_image
+bool ValidateAcquireTexturesANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint numTextures,
+                                  const TextureID *texturesPacked,
+                                  const GLenum *layouts);
+bool ValidateReleaseTexturesANGLE(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint numTextures,
+                                  const TextureID *texturesPacked,
+                                  const GLenum *layouts);
+
+// GL_APPLE_clip_distance
+
+// GL_ARB_sync
+
+// GL_CHROMIUM_bind_uniform_location
+bool ValidateBindUniformLocationCHROMIUM(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID programPacked,
+                                         UniformLocation locationPacked,
+                                         const GLchar *name);
+
+// GL_CHROMIUM_copy_compressed_texture
+bool ValidateCompressedCopyTextureCHROMIUM(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureID sourceIdPacked,
+                                           TextureID destIdPacked);
+
+// GL_CHROMIUM_copy_texture
+bool ValidateCopyTextureCHROMIUM(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureID sourceIdPacked,
+                                 GLint sourceLevel,
+                                 TextureTarget destTargetPacked,
+                                 TextureID destIdPacked,
+                                 GLint destLevel,
+                                 GLint internalFormat,
+                                 GLenum destType,
+                                 GLboolean unpackFlipY,
+                                 GLboolean unpackPremultiplyAlpha,
+                                 GLboolean unpackUnmultiplyAlpha);
+bool ValidateCopySubTextureCHROMIUM(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureID sourceIdPacked,
+                                    GLint sourceLevel,
+                                    TextureTarget destTargetPacked,
+                                    TextureID destIdPacked,
+                                    GLint destLevel,
+                                    GLint xoffset,
+                                    GLint yoffset,
+                                    GLint x,
+                                    GLint y,
+                                    GLint width,
+                                    GLint height,
+                                    GLboolean unpackFlipY,
+                                    GLboolean unpackPremultiplyAlpha,
+                                    GLboolean unpackUnmultiplyAlpha);
+
+// GL_CHROMIUM_framebuffer_mixed_samples
+bool ValidateCoverageModulationCHROMIUM(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum components);
+
+// GL_CHROMIUM_lose_context
+bool ValidateLoseContextCHROMIUM(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GraphicsResetStatus currentPacked,
+                                 GraphicsResetStatus otherPacked);
+
+// GL_EXT_EGL_image_array
+
+// GL_EXT_EGL_image_storage
+bool ValidateEGLImageTargetTexStorageEXT(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum target,
+                                         GLeglImageOES image,
+                                         const GLint *attrib_list);
+bool ValidateEGLImageTargetTextureStorageEXT(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             GLuint texture,
+                                             GLeglImageOES image,
+                                             const GLint *attrib_list);
+
+// GL_EXT_YUV_target
+
+// GL_EXT_base_instance
+bool ValidateDrawArraysInstancedBaseInstanceEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                PrimitiveMode modePacked,
+                                                GLint first,
+                                                GLsizei count,
+                                                GLsizei instancecount,
+                                                GLuint baseinstance);
+bool ValidateDrawElementsInstancedBaseInstanceEXT(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  PrimitiveMode modePacked,
+                                                  GLsizei count,
+                                                  DrawElementsType typePacked,
+                                                  const void *indices,
+                                                  GLsizei instancecount,
+                                                  GLuint baseinstance);
+bool ValidateDrawElementsInstancedBaseVertexBaseInstanceEXT(const Context *context,
+                                                            angle::EntryPoint entryPoint,
+                                                            PrimitiveMode modePacked,
+                                                            GLsizei count,
+                                                            DrawElementsType typePacked,
+                                                            const void *indices,
+                                                            GLsizei instancecount,
+                                                            GLint basevertex,
+                                                            GLuint baseinstance);
+
+// GL_EXT_blend_func_extended
+bool ValidateBindFragDataLocationEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     GLuint color,
+                                     const GLchar *name);
+bool ValidateBindFragDataLocationIndexedEXT(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID programPacked,
+                                            GLuint colorNumber,
+                                            GLuint index,
+                                            const GLchar *name);
+bool ValidateGetFragDataIndexEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 const GLchar *name);
+bool ValidateGetProgramResourceLocationIndexEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                ShaderProgramID programPacked,
+                                                GLenum programInterface,
+                                                const GLchar *name);
+
+// GL_EXT_blend_minmax
+
+// GL_EXT_buffer_storage
+bool ValidateBufferStorageEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              BufferBinding targetPacked,
+                              GLsizeiptr size,
+                              const void *data,
+                              GLbitfield flags);
+
+// GL_EXT_clip_control
+bool ValidateClipControlEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum origin,
+                            GLenum depth);
+
+// GL_EXT_clip_cull_distance
+
+// GL_EXT_color_buffer_float
+
+// GL_EXT_color_buffer_half_float
+
+// GL_EXT_copy_image
+bool ValidateCopyImageSubDataEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint srcName,
+                                 GLenum srcTarget,
+                                 GLint srcLevel,
+                                 GLint srcX,
+                                 GLint srcY,
+                                 GLint srcZ,
+                                 GLuint dstName,
+                                 GLenum dstTarget,
+                                 GLint dstLevel,
+                                 GLint dstX,
+                                 GLint dstY,
+                                 GLint dstZ,
+                                 GLsizei srcWidth,
+                                 GLsizei srcHeight,
+                                 GLsizei srcDepth);
+
+// GL_EXT_debug_label
+bool ValidateGetObjectLabelEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum type,
+                               GLuint object,
+                               GLsizei bufSize,
+                               const GLsizei *length,
+                               const GLchar *label);
+bool ValidateLabelObjectEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum type,
+                            GLuint object,
+                            GLsizei length,
+                            const GLchar *label);
+
+// GL_EXT_debug_marker
+bool ValidateInsertEventMarkerEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLsizei length,
+                                  const GLchar *marker);
+bool ValidatePopGroupMarkerEXT(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePushGroupMarkerEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei length,
+                                const GLchar *marker);
+
+// GL_EXT_discard_framebuffer
+bool ValidateDiscardFramebufferEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei numAttachments,
+                                   const GLenum *attachments);
+
+// GL_EXT_disjoint_timer_query
+bool ValidateBeginQueryEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           QueryType targetPacked,
+                           QueryID idPacked);
+bool ValidateDeleteQueriesEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei n,
+                              const QueryID *idsPacked);
+bool ValidateEndQueryEXT(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         QueryType targetPacked);
+bool ValidateGenQueriesEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const QueryID *idsPacked);
+bool ValidateGetInteger64vEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              const GLint64 *data);
+bool ValidateGetQueryObjecti64vEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   QueryID idPacked,
+                                   GLenum pname,
+                                   const GLint64 *params);
+bool ValidateGetQueryObjectivEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 QueryID idPacked,
+                                 GLenum pname,
+                                 const GLint *params);
+bool ValidateGetQueryObjectui64vEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    QueryID idPacked,
+                                    GLenum pname,
+                                    const GLuint64 *params);
+bool ValidateGetQueryObjectuivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  QueryID idPacked,
+                                  GLenum pname,
+                                  const GLuint *params);
+bool ValidateGetQueryivEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           QueryType targetPacked,
+                           GLenum pname,
+                           const GLint *params);
+bool ValidateIsQueryEXT(const Context *context, angle::EntryPoint entryPoint, QueryID idPacked);
+bool ValidateQueryCounterEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             QueryID idPacked,
+                             QueryType targetPacked);
+
+// GL_EXT_draw_buffers
+bool ValidateDrawBuffersEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei n,
+                            const GLenum *bufs);
+
+// GL_EXT_draw_buffers_indexed
+bool ValidateBlendEquationSeparateiEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint buf,
+                                       GLenum modeRGB,
+                                       GLenum modeAlpha);
+bool ValidateBlendEquationiEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint buf,
+                               GLenum mode);
+bool ValidateBlendFuncSeparateiEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint buf,
+                                   GLenum srcRGB,
+                                   GLenum dstRGB,
+                                   GLenum srcAlpha,
+                                   GLenum dstAlpha);
+bool ValidateBlendFunciEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint buf,
+                           GLenum src,
+                           GLenum dst);
+bool ValidateColorMaskiEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint index,
+                           GLboolean r,
+                           GLboolean g,
+                           GLboolean b,
+                           GLboolean a);
+bool ValidateDisableiEXT(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum target,
+                         GLuint index);
+bool ValidateEnableiEXT(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLuint index);
+bool ValidateIsEnablediEXT(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index);
+
+// GL_EXT_draw_elements_base_vertex
+bool ValidateDrawElementsBaseVertexEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode modePacked,
+                                       GLsizei count,
+                                       DrawElementsType typePacked,
+                                       const void *indices,
+                                       GLint basevertex);
+bool ValidateDrawElementsInstancedBaseVertexEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                PrimitiveMode modePacked,
+                                                GLsizei count,
+                                                DrawElementsType typePacked,
+                                                const void *indices,
+                                                GLsizei instancecount,
+                                                GLint basevertex);
+bool ValidateDrawRangeElementsBaseVertexEXT(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode modePacked,
+                                            GLuint start,
+                                            GLuint end,
+                                            GLsizei count,
+                                            DrawElementsType typePacked,
+                                            const void *indices,
+                                            GLint basevertex);
+bool ValidateMultiDrawElementsBaseVertexEXT(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode modePacked,
+                                            const GLsizei *count,
+                                            DrawElementsType typePacked,
+                                            const void *const *indices,
+                                            GLsizei drawcount,
+                                            const GLint *basevertex);
+
+// GL_EXT_external_buffer
+bool ValidateBufferStorageExternalEXT(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      BufferBinding targetPacked,
+                                      GLintptr offset,
+                                      GLsizeiptr size,
+                                      GLeglClientBufferEXT clientBuffer,
+                                      GLbitfield flags);
+bool ValidateNamedBufferStorageExternalEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLuint buffer,
+                                           GLintptr offset,
+                                           GLsizeiptr size,
+                                           GLeglClientBufferEXT clientBuffer,
+                                           GLbitfield flags);
+
+// GL_EXT_float_blend
+
+// GL_EXT_geometry_shader
+bool ValidateFramebufferTextureEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum attachment,
+                                   TextureID texturePacked,
+                                   GLint level);
+
+// GL_EXT_gpu_shader5
+
+// GL_EXT_instanced_arrays
+bool ValidateDrawArraysInstancedEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    PrimitiveMode modePacked,
+                                    GLint start,
+                                    GLsizei count,
+                                    GLsizei primcount);
+bool ValidateDrawElementsInstancedEXT(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      PrimitiveMode modePacked,
+                                      GLsizei count,
+                                      DrawElementsType typePacked,
+                                      const void *indices,
+                                      GLsizei primcount);
+bool ValidateVertexAttribDivisorEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint index,
+                                    GLuint divisor);
+
+// GL_EXT_map_buffer_range
+bool ValidateFlushMappedBufferRangeEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       BufferBinding targetPacked,
+                                       GLintptr offset,
+                                       GLsizeiptr length);
+bool ValidateMapBufferRangeEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               BufferBinding targetPacked,
+                               GLintptr offset,
+                               GLsizeiptr length,
+                               GLbitfield access);
+
+// GL_EXT_memory_object
+bool ValidateBufferStorageMemEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType targetPacked,
+                                 GLsizeiptr size,
+                                 MemoryObjectID memoryPacked,
+                                 GLuint64 offset);
+bool ValidateCreateMemoryObjectsEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const MemoryObjectID *memoryObjectsPacked);
+bool ValidateDeleteMemoryObjectsEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const MemoryObjectID *memoryObjectsPacked);
+bool ValidateGetMemoryObjectParameterivEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           MemoryObjectID memoryObjectPacked,
+                                           GLenum pname,
+                                           const GLint *params);
+bool ValidateGetUnsignedBytevEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum pname,
+                                 const GLubyte *data);
+bool ValidateGetUnsignedBytei_vEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLuint index,
+                                   const GLubyte *data);
+bool ValidateIsMemoryObjectEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               MemoryObjectID memoryObjectPacked);
+bool ValidateMemoryObjectParameterivEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        MemoryObjectID memoryObjectPacked,
+                                        GLenum pname,
+                                        const GLint *params);
+bool ValidateTexStorageMem2DEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType targetPacked,
+                                GLsizei levels,
+                                GLenum internalFormat,
+                                GLsizei width,
+                                GLsizei height,
+                                MemoryObjectID memoryPacked,
+                                GLuint64 offset);
+bool ValidateTexStorageMem2DMultisampleEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType targetPacked,
+                                           GLsizei samples,
+                                           GLenum internalFormat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLboolean fixedSampleLocations,
+                                           MemoryObjectID memoryPacked,
+                                           GLuint64 offset);
+bool ValidateTexStorageMem3DEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType targetPacked,
+                                GLsizei levels,
+                                GLenum internalFormat,
+                                GLsizei width,
+                                GLsizei height,
+                                GLsizei depth,
+                                MemoryObjectID memoryPacked,
+                                GLuint64 offset);
+bool ValidateTexStorageMem3DMultisampleEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           TextureType targetPacked,
+                                           GLsizei samples,
+                                           GLenum internalFormat,
+                                           GLsizei width,
+                                           GLsizei height,
+                                           GLsizei depth,
+                                           GLboolean fixedSampleLocations,
+                                           MemoryObjectID memoryPacked,
+                                           GLuint64 offset);
+
+// GL_EXT_memory_object_fd
+bool ValidateImportMemoryFdEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               MemoryObjectID memoryPacked,
+                               GLuint64 size,
+                               HandleType handleTypePacked,
+                               GLint fd);
+
+// GL_EXT_multi_draw_indirect
+bool ValidateMultiDrawArraysIndirectEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        PrimitiveMode modePacked,
+                                        const void *indirect,
+                                        GLsizei drawcount,
+                                        GLsizei stride);
+bool ValidateMultiDrawElementsIndirectEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          PrimitiveMode modePacked,
+                                          DrawElementsType typePacked,
+                                          const void *indirect,
+                                          GLsizei drawcount,
+                                          GLsizei stride);
+
+// GL_EXT_multisampled_render_to_texture
+bool ValidateFramebufferTexture2DMultisampleEXT(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                GLenum target,
+                                                GLenum attachment,
+                                                TextureTarget textargetPacked,
+                                                TextureID texturePacked,
+                                                GLint level,
+                                                GLsizei samples);
+bool ValidateRenderbufferStorageMultisampleEXT(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               GLenum target,
+                                               GLsizei samples,
+                                               GLenum internalformat,
+                                               GLsizei width,
+                                               GLsizei height);
+
+// GL_EXT_multisampled_render_to_texture2
+
+// GL_EXT_occlusion_query_boolean
+
+// GL_EXT_primitive_bounding_box
+bool ValidatePrimitiveBoundingBoxEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLfloat minX,
+                                     GLfloat minY,
+                                     GLfloat minZ,
+                                     GLfloat minW,
+                                     GLfloat maxX,
+                                     GLfloat maxY,
+                                     GLfloat maxZ,
+                                     GLfloat maxW);
+
+// GL_EXT_protected_textures
+
+// GL_EXT_pvrtc_sRGB
+
+// GL_EXT_read_format_bgra
+
+// GL_EXT_robustness
+bool ValidateGetGraphicsResetStatusEXT(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateGetnUniformfvEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLsizei bufSize,
+                              const GLfloat *params);
+bool ValidateGetnUniformivEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLsizei bufSize,
+                              const GLint *params);
+bool ValidateReadnPixelsEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLsizei height,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            const void *data);
+
+// GL_EXT_sRGB
+
+// GL_EXT_sRGB_write_control
+
+// GL_EXT_semaphore
+bool ValidateDeleteSemaphoresEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const SemaphoreID *semaphoresPacked);
+bool ValidateGenSemaphoresEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLsizei n,
+                              const SemaphoreID *semaphoresPacked);
+bool ValidateGetSemaphoreParameterui64vEXT(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           SemaphoreID semaphorePacked,
+                                           GLenum pname,
+                                           const GLuint64 *params);
+bool ValidateIsSemaphoreEXT(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            SemaphoreID semaphorePacked);
+bool ValidateSemaphoreParameterui64vEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        SemaphoreID semaphorePacked,
+                                        GLenum pname,
+                                        const GLuint64 *params);
+bool ValidateSignalSemaphoreEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                SemaphoreID semaphorePacked,
+                                GLuint numBufferBarriers,
+                                const BufferID *buffersPacked,
+                                GLuint numTextureBarriers,
+                                const TextureID *texturesPacked,
+                                const GLenum *dstLayouts);
+bool ValidateWaitSemaphoreEXT(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              SemaphoreID semaphorePacked,
+                              GLuint numBufferBarriers,
+                              const BufferID *buffersPacked,
+                              GLuint numTextureBarriers,
+                              const TextureID *texturesPacked,
+                              const GLenum *srcLayouts);
+
+// GL_EXT_semaphore_fd
+bool ValidateImportSemaphoreFdEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  SemaphoreID semaphorePacked,
+                                  HandleType handleTypePacked,
+                                  GLint fd);
+
+// GL_EXT_separate_shader_objects
+bool ValidateActiveShaderProgramEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ProgramPipelineID pipelinePacked,
+                                    ShaderProgramID programPacked);
+bool ValidateBindProgramPipelineEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    ProgramPipelineID pipelinePacked);
+bool ValidateCreateShaderProgramvEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderType typePacked,
+                                     GLsizei count,
+                                     const GLchar **strings);
+bool ValidateDeleteProgramPipelinesEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLsizei n,
+                                       const ProgramPipelineID *pipelinesPacked);
+bool ValidateGenProgramPipelinesEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const ProgramPipelineID *pipelinesPacked);
+bool ValidateGetProgramPipelineInfoLogEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ProgramPipelineID pipelinePacked,
+                                          GLsizei bufSize,
+                                          const GLsizei *length,
+                                          const GLchar *infoLog);
+bool ValidateGetProgramPipelineivEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ProgramPipelineID pipelinePacked,
+                                     GLenum pname,
+                                     const GLint *params);
+bool ValidateIsProgramPipelineEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ProgramPipelineID pipelinePacked);
+bool ValidateProgramParameteriEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  GLenum pname,
+                                  GLint value);
+bool ValidateProgramUniform1fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0);
+bool ValidateProgramUniform1fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value);
+bool ValidateProgramUniform1iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0);
+bool ValidateProgramUniform1ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value);
+bool ValidateProgramUniform1uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0);
+bool ValidateProgramUniform1uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value);
+bool ValidateProgramUniform2fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0,
+                                 GLfloat v1);
+bool ValidateProgramUniform2fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value);
+bool ValidateProgramUniform2iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0,
+                                 GLint v1);
+bool ValidateProgramUniform2ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value);
+bool ValidateProgramUniform2uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0,
+                                  GLuint v1);
+bool ValidateProgramUniform2uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value);
+bool ValidateProgramUniform3fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0,
+                                 GLfloat v1,
+                                 GLfloat v2);
+bool ValidateProgramUniform3fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value);
+bool ValidateProgramUniform3iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0,
+                                 GLint v1,
+                                 GLint v2);
+bool ValidateProgramUniform3ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value);
+bool ValidateProgramUniform3uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0,
+                                  GLuint v1,
+                                  GLuint v2);
+bool ValidateProgramUniform3uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value);
+bool ValidateProgramUniform4fEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLfloat v0,
+                                 GLfloat v1,
+                                 GLfloat v2,
+                                 GLfloat v3);
+bool ValidateProgramUniform4fvEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLfloat *value);
+bool ValidateProgramUniform4iEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 UniformLocation locationPacked,
+                                 GLint v0,
+                                 GLint v1,
+                                 GLint v2,
+                                 GLint v3);
+bool ValidateProgramUniform4ivEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLsizei count,
+                                  const GLint *value);
+bool ValidateProgramUniform4uiEXT(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  UniformLocation locationPacked,
+                                  GLuint v0,
+                                  GLuint v1,
+                                  GLuint v2,
+                                  GLuint v3);
+bool ValidateProgramUniform4uivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   ShaderProgramID programPacked,
+                                   UniformLocation locationPacked,
+                                   GLsizei count,
+                                   const GLuint *value);
+bool ValidateProgramUniformMatrix2fvEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value);
+bool ValidateProgramUniformMatrix2x3fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value);
+bool ValidateProgramUniformMatrix2x4fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value);
+bool ValidateProgramUniformMatrix3fvEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value);
+bool ValidateProgramUniformMatrix3x2fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value);
+bool ValidateProgramUniformMatrix3x4fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value);
+bool ValidateProgramUniformMatrix4fvEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ShaderProgramID programPacked,
+                                        UniformLocation locationPacked,
+                                        GLsizei count,
+                                        GLboolean transpose,
+                                        const GLfloat *value);
+bool ValidateProgramUniformMatrix4x2fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value);
+bool ValidateProgramUniformMatrix4x3fvEXT(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          UniformLocation locationPacked,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const GLfloat *value);
+bool ValidateUseProgramStagesEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ProgramPipelineID pipelinePacked,
+                                 GLbitfield stages,
+                                 ShaderProgramID programPacked);
+bool ValidateValidateProgramPipelineEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        ProgramPipelineID pipelinePacked);
+
+// GL_EXT_shader_framebuffer_fetch
+
+// GL_EXT_shader_framebuffer_fetch_non_coherent
+bool ValidateFramebufferFetchBarrierEXT(const Context *context, angle::EntryPoint entryPoint);
+
+// GL_EXT_shader_io_blocks
+
+// GL_EXT_shader_non_constant_global_initializers
+
+// GL_EXT_shader_texture_lod
+
+// GL_EXT_shadow_samplers
+
+// GL_EXT_tessellation_shader
+bool ValidatePatchParameteriEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum pname,
+                                GLint value);
+
+// GL_EXT_texture_border_clamp
+bool ValidateGetSamplerParameterIivEXT(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       SamplerID samplerPacked,
+                                       GLenum pname,
+                                       const GLint *params);
+bool ValidateGetSamplerParameterIuivEXT(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        SamplerID samplerPacked,
+                                        GLenum pname,
+                                        const GLuint *params);
+bool ValidateGetTexParameterIivEXT(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureType targetPacked,
+                                   GLenum pname,
+                                   const GLint *params);
+bool ValidateGetTexParameterIuivEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureType targetPacked,
+                                    GLenum pname,
+                                    const GLuint *params);
+bool ValidateSamplerParameterIivEXT(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    SamplerID samplerPacked,
+                                    GLenum pname,
+                                    const GLint *param);
+bool ValidateSamplerParameterIuivEXT(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID samplerPacked,
+                                     GLenum pname,
+                                     const GLuint *param);
+bool ValidateTexParameterIivEXT(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType targetPacked,
+                                GLenum pname,
+                                const GLint *params);
+bool ValidateTexParameterIuivEXT(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType targetPacked,
+                                 GLenum pname,
+                                 const GLuint *params);
+
+// GL_EXT_texture_buffer
+bool ValidateTexBufferEXT(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType targetPacked,
+                          GLenum internalformat,
+                          BufferID bufferPacked);
+bool ValidateTexBufferRangeEXT(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType targetPacked,
+                               GLenum internalformat,
+                               BufferID bufferPacked,
+                               GLintptr offset,
+                               GLsizeiptr size);
+
+// GL_EXT_texture_compression_bptc
+
+// GL_EXT_texture_compression_dxt1
+
+// GL_EXT_texture_compression_rgtc
+
+// GL_EXT_texture_compression_s3tc
+
+// GL_EXT_texture_compression_s3tc_srgb
+
+// GL_EXT_texture_cube_map_array
+
+// GL_EXT_texture_filter_anisotropic
+
+// GL_EXT_texture_format_BGRA8888
+
+// GL_EXT_texture_format_sRGB_override
+
+// GL_EXT_texture_norm16
+
+// GL_EXT_texture_rg
+
+// GL_EXT_texture_sRGB_R8
+
+// GL_EXT_texture_sRGB_RG8
+
+// GL_EXT_texture_sRGB_decode
+
+// GL_EXT_texture_storage
+bool ValidateTexStorage1DEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLsizei levels,
+                             GLenum internalformat,
+                             GLsizei width);
+bool ValidateTexStorage2DEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureType targetPacked,
+                             GLsizei levels,
+                             GLenum internalformat,
+                             GLsizei width,
+                             GLsizei height);
+bool ValidateTexStorage3DEXT(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureType targetPacked,
+                             GLsizei levels,
+                             GLenum internalformat,
+                             GLsizei width,
+                             GLsizei height,
+                             GLsizei depth);
+
+// GL_EXT_texture_type_2_10_10_10_REV
+
+// GL_EXT_unpack_subimage
+
+// GL_IMG_texture_compression_pvrtc
+
+// GL_IMG_texture_compression_pvrtc2
+
+// GL_KHR_blend_equation_advanced
+bool ValidateBlendBarrierKHR(const Context *context, angle::EntryPoint entryPoint);
+
+// GL_KHR_debug
+bool ValidateDebugMessageCallbackKHR(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLDEBUGPROCKHR callback,
+                                     const void *userParam);
+bool ValidateDebugMessageControlKHR(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum source,
+                                    GLenum type,
+                                    GLenum severity,
+                                    GLsizei count,
+                                    const GLuint *ids,
+                                    GLboolean enabled);
+bool ValidateDebugMessageInsertKHR(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum source,
+                                   GLenum type,
+                                   GLuint id,
+                                   GLenum severity,
+                                   GLsizei length,
+                                   const GLchar *buf);
+bool ValidateGetDebugMessageLogKHR(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint count,
+                                   GLsizei bufSize,
+                                   const GLenum *sources,
+                                   const GLenum *types,
+                                   const GLuint *ids,
+                                   const GLenum *severities,
+                                   const GLsizei *lengths,
+                                   const GLchar *messageLog);
+bool ValidateGetObjectLabelKHR(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum identifier,
+                               GLuint name,
+                               GLsizei bufSize,
+                               const GLsizei *length,
+                               const GLchar *label);
+bool ValidateGetObjectPtrLabelKHR(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const void *ptr,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLchar *label);
+bool ValidateGetPointervKHR(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum pname,
+                            void *const *params);
+bool ValidateObjectLabelKHR(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum identifier,
+                            GLuint name,
+                            GLsizei length,
+                            const GLchar *label);
+bool ValidateObjectPtrLabelKHR(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const void *ptr,
+                               GLsizei length,
+                               const GLchar *label);
+bool ValidatePopDebugGroupKHR(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePushDebugGroupKHR(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum source,
+                               GLuint id,
+                               GLsizei length,
+                               const GLchar *message);
+
+// GL_KHR_no_error
+
+// GL_KHR_parallel_shader_compile
+bool ValidateMaxShaderCompilerThreadsKHR(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLuint count);
+
+// GL_KHR_robust_buffer_access_behavior
+
+// GL_KHR_texture_compression_astc_hdr
+
+// GL_KHR_texture_compression_astc_ldr
+
+// GL_KHR_texture_compression_astc_sliced_3d
+
+// GL_MESA_framebuffer_flip_y
+bool ValidateFramebufferParameteriMESA(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target,
+                                       GLenum pname,
+                                       GLint param);
+bool ValidateGetFramebufferParameterivMESA(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLenum target,
+                                           GLenum pname,
+                                           const GLint *params);
+
+// GL_NV_fence
+bool ValidateDeleteFencesNV(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei n,
+                            const FenceNVID *fencesPacked);
+bool ValidateFinishFenceNV(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           FenceNVID fencePacked);
+bool ValidateGenFencesNV(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLsizei n,
+                         const FenceNVID *fencesPacked);
+bool ValidateGetFenceivNV(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          FenceNVID fencePacked,
+                          GLenum pname,
+                          const GLint *params);
+bool ValidateIsFenceNV(const Context *context, angle::EntryPoint entryPoint, FenceNVID fencePacked);
+bool ValidateSetFenceNV(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        FenceNVID fencePacked,
+                        GLenum condition);
+bool ValidateTestFenceNV(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         FenceNVID fencePacked);
+
+// GL_NV_framebuffer_blit
+bool ValidateBlitFramebufferNV(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLint srcX0,
+                               GLint srcY0,
+                               GLint srcX1,
+                               GLint srcY1,
+                               GLint dstX0,
+                               GLint dstY0,
+                               GLint dstX1,
+                               GLint dstY1,
+                               GLbitfield mask,
+                               GLenum filter);
+
+// GL_NV_pixel_buffer_object
+
+// GL_NV_read_depth
+
+// GL_NV_read_depth_stencil
+
+// GL_NV_read_stencil
+
+// GL_NV_robustness_video_memory_purge
+
+// GL_NV_shader_noperspective_interpolation
+
+// GL_OES_EGL_image
+bool ValidateEGLImageTargetRenderbufferStorageOES(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum target,
+                                                  GLeglImageOES image);
+bool ValidateEGLImageTargetTexture2DOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType targetPacked,
+                                        GLeglImageOES image);
+
+// GL_OES_EGL_image_external
+
+// GL_OES_EGL_image_external_essl3
+
+// GL_OES_compressed_ETC1_RGB8_texture
+
+// GL_OES_compressed_paletted_texture
+
+// GL_OES_copy_image
+bool ValidateCopyImageSubDataOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint srcName,
+                                 GLenum srcTarget,
+                                 GLint srcLevel,
+                                 GLint srcX,
+                                 GLint srcY,
+                                 GLint srcZ,
+                                 GLuint dstName,
+                                 GLenum dstTarget,
+                                 GLint dstLevel,
+                                 GLint dstX,
+                                 GLint dstY,
+                                 GLint dstZ,
+                                 GLsizei srcWidth,
+                                 GLsizei srcHeight,
+                                 GLsizei srcDepth);
+
+// GL_OES_depth24
+
+// GL_OES_depth32
+
+// GL_OES_depth_texture
+
+// GL_OES_draw_buffers_indexed
+bool ValidateBlendEquationSeparateiOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint buf,
+                                       GLenum modeRGB,
+                                       GLenum modeAlpha);
+bool ValidateBlendEquationiOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint buf,
+                               GLenum mode);
+bool ValidateBlendFuncSeparateiOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint buf,
+                                   GLenum srcRGB,
+                                   GLenum dstRGB,
+                                   GLenum srcAlpha,
+                                   GLenum dstAlpha);
+bool ValidateBlendFunciOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint buf,
+                           GLenum src,
+                           GLenum dst);
+bool ValidateColorMaskiOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint index,
+                           GLboolean r,
+                           GLboolean g,
+                           GLboolean b,
+                           GLboolean a);
+bool ValidateDisableiOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum target,
+                         GLuint index);
+bool ValidateEnableiOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLuint index);
+bool ValidateIsEnablediOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLuint index);
+
+// GL_OES_draw_elements_base_vertex
+bool ValidateDrawElementsBaseVertexOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode modePacked,
+                                       GLsizei count,
+                                       DrawElementsType typePacked,
+                                       const void *indices,
+                                       GLint basevertex);
+bool ValidateDrawElementsInstancedBaseVertexOES(const Context *context,
+                                                angle::EntryPoint entryPoint,
+                                                PrimitiveMode modePacked,
+                                                GLsizei count,
+                                                DrawElementsType typePacked,
+                                                const void *indices,
+                                                GLsizei instancecount,
+                                                GLint basevertex);
+bool ValidateDrawRangeElementsBaseVertexOES(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            PrimitiveMode modePacked,
+                                            GLuint start,
+                                            GLuint end,
+                                            GLsizei count,
+                                            DrawElementsType typePacked,
+                                            const void *indices,
+                                            GLint basevertex);
+
+// GL_OES_draw_texture
+bool ValidateDrawTexfOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z,
+                         GLfloat width,
+                         GLfloat height);
+bool ValidateDrawTexfvOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          const GLfloat *coords);
+bool ValidateDrawTexiOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLint z,
+                         GLint width,
+                         GLint height);
+bool ValidateDrawTexivOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          const GLint *coords);
+bool ValidateDrawTexsOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z,
+                         GLshort width,
+                         GLshort height);
+bool ValidateDrawTexsvOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          const GLshort *coords);
+bool ValidateDrawTexxOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfixed x,
+                         GLfixed y,
+                         GLfixed z,
+                         GLfixed width,
+                         GLfixed height);
+bool ValidateDrawTexxvOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          const GLfixed *coords);
+
+// GL_OES_element_index_uint
+
+// GL_OES_fbo_render_mipmap
+
+// GL_OES_framebuffer_object
+bool ValidateBindFramebufferOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum target,
+                                FramebufferID framebufferPacked);
+bool ValidateBindRenderbufferOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 RenderbufferID renderbufferPacked);
+bool ValidateCheckFramebufferStatusOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLenum target);
+bool ValidateDeleteFramebuffersOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const FramebufferID *framebuffersPacked);
+bool ValidateDeleteRenderbuffersOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const RenderbufferID *renderbuffersPacked);
+bool ValidateFramebufferRenderbufferOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        GLenum target,
+                                        GLenum attachment,
+                                        GLenum renderbuffertarget,
+                                        RenderbufferID renderbufferPacked);
+bool ValidateFramebufferTexture2DOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     TextureTarget textargetPacked,
+                                     TextureID texturePacked,
+                                     GLint level);
+bool ValidateGenFramebuffersOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const FramebufferID *framebuffersPacked);
+bool ValidateGenRenderbuffersOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const RenderbufferID *renderbuffersPacked);
+bool ValidateGenerateMipmapOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType targetPacked);
+bool ValidateGetFramebufferAttachmentParameterivOES(const Context *context,
+                                                    angle::EntryPoint entryPoint,
+                                                    GLenum target,
+                                                    GLenum attachment,
+                                                    GLenum pname,
+                                                    const GLint *params);
+bool ValidateGetRenderbufferParameterivOES(const Context *context,
+                                           angle::EntryPoint entryPoint,
+                                           GLenum target,
+                                           GLenum pname,
+                                           const GLint *params);
+bool ValidateIsFramebufferOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              FramebufferID framebufferPacked);
+bool ValidateIsRenderbufferOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               RenderbufferID renderbufferPacked);
+bool ValidateRenderbufferStorageOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLenum internalformat,
+                                    GLsizei width,
+                                    GLsizei height);
+
+// GL_OES_geometry_shader
+bool ValidateFramebufferTextureOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum attachment,
+                                   TextureID texturePacked,
+                                   GLint level);
+
+// GL_OES_get_program_binary
+bool ValidateGetProgramBinaryOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 ShaderProgramID programPacked,
+                                 GLsizei bufSize,
+                                 const GLsizei *length,
+                                 const GLenum *binaryFormat,
+                                 const void *binary);
+bool ValidateProgramBinaryOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              GLenum binaryFormat,
+                              const void *binary,
+                              GLint length);
+
+// GL_OES_mapbuffer
+bool ValidateGetBufferPointervOES(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferBinding targetPacked,
+                                  GLenum pname,
+                                  void *const *params);
+bool ValidateMapBufferOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          BufferBinding targetPacked,
+                          GLenum access);
+bool ValidateUnmapBufferOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferBinding targetPacked);
+
+// GL_OES_matrix_palette
+bool ValidateCurrentPaletteMatrixOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint matrixpaletteindex);
+bool ValidateLoadPaletteFromModelViewMatrixOES(const Context *context,
+                                               angle::EntryPoint entryPoint);
+bool ValidateMatrixIndexPointerOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLint size,
+                                   GLenum type,
+                                   GLsizei stride,
+                                   const void *pointer);
+bool ValidateWeightPointerOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLint size,
+                              GLenum type,
+                              GLsizei stride,
+                              const void *pointer);
+
+// GL_OES_packed_depth_stencil
+
+// GL_OES_point_size_array
+bool ValidatePointSizePointerOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 VertexAttribType typePacked,
+                                 GLsizei stride,
+                                 const void *pointer);
+
+// GL_OES_point_sprite
+
+// GL_OES_primitive_bounding_box
+bool ValidatePrimitiveBoundingBoxOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLfloat minX,
+                                     GLfloat minY,
+                                     GLfloat minZ,
+                                     GLfloat minW,
+                                     GLfloat maxX,
+                                     GLfloat maxY,
+                                     GLfloat maxZ,
+                                     GLfloat maxW);
+
+// GL_OES_query_matrix
+bool ValidateQueryMatrixxOES(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             const GLfixed *mantissa,
+                             const GLint *exponent);
+
+// GL_OES_rgb8_rgba8
+
+// GL_OES_sample_shading
+bool ValidateMinSampleShadingOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLfloat value);
+
+// GL_OES_sample_variables
+
+// GL_OES_shader_image_atomic
+
+// GL_OES_shader_io_blocks
+
+// GL_OES_shader_multisample_interpolation
+
+// GL_OES_standard_derivatives
+
+// GL_OES_surfaceless_context
+
+// GL_OES_texture_3D
+bool ValidateCompressedTexImage3DOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureTarget targetPacked,
+                                     GLint level,
+                                     GLenum internalformat,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLsizei depth,
+                                     GLint border,
+                                     GLsizei imageSize,
+                                     const void *data);
+bool ValidateCompressedTexSubImage3DOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureTarget targetPacked,
+                                        GLint level,
+                                        GLint xoffset,
+                                        GLint yoffset,
+                                        GLint zoffset,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        GLenum format,
+                                        GLsizei imageSize,
+                                        const void *data);
+bool ValidateCopyTexSubImage3DOES(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureTarget targetPacked,
+                                  GLint level,
+                                  GLint xoffset,
+                                  GLint yoffset,
+                                  GLint zoffset,
+                                  GLint x,
+                                  GLint y,
+                                  GLsizei width,
+                                  GLsizei height);
+bool ValidateFramebufferTexture3DOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLenum attachment,
+                                     TextureTarget textargetPacked,
+                                     TextureID texturePacked,
+                                     GLint level,
+                                     GLint zoffset);
+bool ValidateTexImage3DOES(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureTarget targetPacked,
+                           GLint level,
+                           GLenum internalformat,
+                           GLsizei width,
+                           GLsizei height,
+                           GLsizei depth,
+                           GLint border,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels);
+bool ValidateTexSubImage3DOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureTarget targetPacked,
+                              GLint level,
+                              GLint xoffset,
+                              GLint yoffset,
+                              GLint zoffset,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              GLenum format,
+                              GLenum type,
+                              const void *pixels);
+
+// GL_OES_texture_border_clamp
+bool ValidateGetSamplerParameterIivOES(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       SamplerID samplerPacked,
+                                       GLenum pname,
+                                       const GLint *params);
+bool ValidateGetSamplerParameterIuivOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        SamplerID samplerPacked,
+                                        GLenum pname,
+                                        const GLuint *params);
+bool ValidateGetTexParameterIivOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureType targetPacked,
+                                   GLenum pname,
+                                   const GLint *params);
+bool ValidateGetTexParameterIuivOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureType targetPacked,
+                                    GLenum pname,
+                                    const GLuint *params);
+bool ValidateSamplerParameterIivOES(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    SamplerID samplerPacked,
+                                    GLenum pname,
+                                    const GLint *param);
+bool ValidateSamplerParameterIuivOES(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     SamplerID samplerPacked,
+                                     GLenum pname,
+                                     const GLuint *param);
+bool ValidateTexParameterIivOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureType targetPacked,
+                                GLenum pname,
+                                const GLint *params);
+bool ValidateTexParameterIuivOES(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureType targetPacked,
+                                 GLenum pname,
+                                 const GLuint *params);
+
+// GL_OES_texture_buffer
+bool ValidateTexBufferOES(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          TextureType targetPacked,
+                          GLenum internalformat,
+                          BufferID bufferPacked);
+bool ValidateTexBufferRangeOES(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureType targetPacked,
+                               GLenum internalformat,
+                               BufferID bufferPacked,
+                               GLintptr offset,
+                               GLsizeiptr size);
+
+// GL_OES_texture_compression_astc
+
+// GL_OES_texture_cube_map
+bool ValidateGetTexGenfvOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLfloat *params);
+bool ValidateGetTexGenivOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLint *params);
+bool ValidateGetTexGenxvOES(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum coord,
+                            GLenum pname,
+                            const GLfixed *params);
+bool ValidateTexGenfOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum coord,
+                        GLenum pname,
+                        GLfloat param);
+bool ValidateTexGenfvOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLfloat *params);
+bool ValidateTexGeniOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum coord,
+                        GLenum pname,
+                        GLint param);
+bool ValidateTexGenivOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLint *params);
+bool ValidateTexGenxOES(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum coord,
+                        GLenum pname,
+                        GLfixed param);
+bool ValidateTexGenxvOES(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLfixed *params);
+
+// GL_OES_texture_cube_map_array
+
+// GL_OES_texture_float
+
+// GL_OES_texture_float_linear
+
+// GL_OES_texture_half_float
+
+// GL_OES_texture_half_float_linear
+
+// GL_OES_texture_npot
+
+// GL_OES_texture_stencil8
+
+// GL_OES_texture_storage_multisample_2d_array
+bool ValidateTexStorage3DMultisampleOES(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureType targetPacked,
+                                        GLsizei samples,
+                                        GLenum internalformat,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        GLsizei depth,
+                                        GLboolean fixedsamplelocations);
+
+// GL_OES_vertex_array_object
+bool ValidateBindVertexArrayOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                VertexArrayID arrayPacked);
+bool ValidateDeleteVertexArraysOES(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLsizei n,
+                                   const VertexArrayID *arraysPacked);
+bool ValidateGenVertexArraysOES(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const VertexArrayID *arraysPacked);
+bool ValidateIsVertexArrayOES(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              VertexArrayID arrayPacked);
+
+// GL_OES_vertex_half_float
+
+// GL_OES_vertex_type_10_10_10_2
+
+// GL_OVR_multiview
+bool ValidateFramebufferTextureMultiviewOVR(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum target,
+                                            GLenum attachment,
+                                            TextureID texturePacked,
+                                            GLint level,
+                                            GLint baseViewIndex,
+                                            GLsizei numViews);
+
+// GL_OVR_multiview2
+
+// GL_QCOM_shading_rate
+bool ValidateShadingRateQCOM(const Context *context, angle::EntryPoint entryPoint, GLenum rate);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_ESEXT_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL1.cpp b/gfx/angle/checkout/src/libANGLE/validationGL1.cpp
new file mode 100644
index 0000000000..3e884d4014
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL1.cpp
@@ -0,0 +1,2421 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationGL1.cpp: Validation functions for OpenGL 1.0 entry point parameters
+
+#include "libANGLE/validationGL1_autogen.h"
+
+namespace gl
+{
+
+bool ValidateAccum(const Context *, angle::EntryPoint entryPoint, GLenum op, GLfloat value)
+{
+    return true;
+}
+
+bool ValidateBegin(const Context *, angle::EntryPoint entryPoint, GLenum mode)
+{
+    return true;
+}
+
+bool ValidateBitmap(const Context *,
+                    angle::EntryPoint entryPoint,
+                    GLsizei width,
+                    GLsizei height,
+                    GLfloat xorig,
+                    GLfloat yorig,
+                    GLfloat xmove,
+                    GLfloat ymove,
+                    const GLubyte *bitmap)
+{
+    return true;
+}
+
+bool ValidateCallList(const Context *, angle::EntryPoint entryPoint, GLuint list)
+{
+    return true;
+}
+
+bool ValidateCallLists(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLsizei n,
+                       GLenum type,
+                       const void *lists)
+{
+    return true;
+}
+
+bool ValidateClearAccum(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLfloat red,
+                        GLfloat green,
+                        GLfloat blue,
+                        GLfloat alpha)
+{
+    return true;
+}
+
+bool ValidateClearDepth(const Context *, angle::EntryPoint entryPoint, GLdouble depth)
+{
+    return true;
+}
+
+bool ValidateClearIndex(const Context *, angle::EntryPoint entryPoint, GLfloat c)
+{
+    return true;
+}
+
+bool ValidateClipPlane(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLenum plane,
+                       const GLdouble *equation)
+{
+    return true;
+}
+
+bool ValidateColor3b(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLbyte red,
+                     GLbyte green,
+                     GLbyte blue)
+{
+    return true;
+}
+
+bool ValidateColor3bv(const Context *, angle::EntryPoint entryPoint, const GLbyte *v)
+{
+    return true;
+}
+
+bool ValidateColor3d(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLdouble red,
+                     GLdouble green,
+                     GLdouble blue)
+{
+    return true;
+}
+
+bool ValidateColor3dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateColor3f(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLfloat red,
+                     GLfloat green,
+                     GLfloat blue)
+{
+    return true;
+}
+
+bool ValidateColor3fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateColor3i(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLint red,
+                     GLint green,
+                     GLint blue)
+{
+    return true;
+}
+
+bool ValidateColor3iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateColor3s(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLshort red,
+                     GLshort green,
+                     GLshort blue)
+{
+    return true;
+}
+
+bool ValidateColor3sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateColor3ub(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLubyte red,
+                      GLubyte green,
+                      GLubyte blue)
+{
+    return true;
+}
+
+bool ValidateColor3ubv(const Context *, angle::EntryPoint entryPoint, const GLubyte *v)
+{
+    return true;
+}
+
+bool ValidateColor3ui(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLuint red,
+                      GLuint green,
+                      GLuint blue)
+{
+    return true;
+}
+
+bool ValidateColor3uiv(const Context *, angle::EntryPoint entryPoint, const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateColor3us(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLushort red,
+                      GLushort green,
+                      GLushort blue)
+{
+    return true;
+}
+
+bool ValidateColor3usv(const Context *, angle::EntryPoint entryPoint, const GLushort *v)
+{
+    return true;
+}
+
+bool ValidateColor4b(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLbyte red,
+                     GLbyte green,
+                     GLbyte blue,
+                     GLbyte alpha)
+{
+    return true;
+}
+
+bool ValidateColor4bv(const Context *, angle::EntryPoint entryPoint, const GLbyte *v)
+{
+    return true;
+}
+
+bool ValidateColor4d(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLdouble red,
+                     GLdouble green,
+                     GLdouble blue,
+                     GLdouble alpha)
+{
+    return true;
+}
+
+bool ValidateColor4dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateColor4fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateColor4i(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLint red,
+                     GLint green,
+                     GLint blue,
+                     GLint alpha)
+{
+    return true;
+}
+
+bool ValidateColor4iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateColor4s(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLshort red,
+                     GLshort green,
+                     GLshort blue,
+                     GLshort alpha)
+{
+    return true;
+}
+
+bool ValidateColor4sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateColor4ubv(const Context *, angle::EntryPoint entryPoint, const GLubyte *v)
+{
+    return true;
+}
+
+bool ValidateColor4ui(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLuint red,
+                      GLuint green,
+                      GLuint blue,
+                      GLuint alpha)
+{
+    return true;
+}
+
+bool ValidateColor4uiv(const Context *, angle::EntryPoint entryPoint, const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateColor4us(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLushort red,
+                      GLushort green,
+                      GLushort blue,
+                      GLushort alpha)
+{
+    return true;
+}
+
+bool ValidateColor4usv(const Context *, angle::EntryPoint entryPoint, const GLushort *v)
+{
+    return true;
+}
+
+bool ValidateColorMaterial(const Context *, angle::EntryPoint entryPoint, GLenum face, GLenum mode)
+{
+    return true;
+}
+
+bool ValidateCopyPixels(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLint x,
+                        GLint y,
+                        GLsizei width,
+                        GLsizei height,
+                        GLenum type)
+{
+    return true;
+}
+
+bool ValidateDeleteLists(const Context *, angle::EntryPoint entryPoint, GLuint list, GLsizei range)
+{
+    return true;
+}
+
+bool ValidateDepthRange(const Context *, angle::EntryPoint entryPoint, GLdouble n, GLdouble f)
+{
+    return true;
+}
+
+bool ValidateDrawBuffer(const Context *, angle::EntryPoint entryPoint, GLenum buf)
+{
+    return true;
+}
+
+bool ValidateDrawPixels(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLsizei width,
+                        GLsizei height,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels)
+{
+    return true;
+}
+
+bool ValidateEdgeFlag(const Context *, angle::EntryPoint entryPoint, GLboolean flag)
+{
+    return true;
+}
+
+bool ValidateEdgeFlagv(const Context *, angle::EntryPoint entryPoint, const GLboolean *flag)
+{
+    return true;
+}
+
+bool ValidateEnd(const Context *, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateEndList(const Context *, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateEvalCoord1d(const Context *, angle::EntryPoint entryPoint, GLdouble u)
+{
+    return true;
+}
+
+bool ValidateEvalCoord1dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *u)
+{
+    return true;
+}
+
+bool ValidateEvalCoord1f(const Context *, angle::EntryPoint entryPoint, GLfloat u)
+{
+    return true;
+}
+
+bool ValidateEvalCoord1fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *u)
+{
+    return true;
+}
+
+bool ValidateEvalCoord2d(const Context *, angle::EntryPoint entryPoint, GLdouble u, GLdouble v)
+{
+    return true;
+}
+
+bool ValidateEvalCoord2dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *u)
+{
+    return true;
+}
+
+bool ValidateEvalCoord2f(const Context *, angle::EntryPoint entryPoint, GLfloat u, GLfloat v)
+{
+    return true;
+}
+
+bool ValidateEvalCoord2fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *u)
+{
+    return true;
+}
+
+bool ValidateEvalMesh1(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLenum mode,
+                       GLint i1,
+                       GLint i2)
+{
+    return true;
+}
+
+bool ValidateEvalMesh2(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLenum mode,
+                       GLint i1,
+                       GLint i2,
+                       GLint j1,
+                       GLint j2)
+{
+    return true;
+}
+
+bool ValidateEvalPoint1(const Context *, angle::EntryPoint entryPoint, GLint i)
+{
+    return true;
+}
+
+bool ValidateEvalPoint2(const Context *, angle::EntryPoint entryPoint, GLint i, GLint j)
+{
+    return true;
+}
+
+bool ValidateFeedbackBuffer(const Context *,
+                            angle::EntryPoint entryPoint,
+                            GLsizei size,
+                            GLenum type,
+                            const GLfloat *buffer)
+{
+    return true;
+}
+
+bool ValidateFogi(const Context *, angle::EntryPoint entryPoint, GLenum pname, GLint param)
+{
+    return true;
+}
+
+bool ValidateFogiv(const Context *, angle::EntryPoint entryPoint, GLenum pname, const GLint *params)
+{
+    return true;
+}
+
+bool ValidateFrustum(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLdouble left,
+                     GLdouble right,
+                     GLdouble bottom,
+                     GLdouble top,
+                     GLdouble zNear,
+                     GLdouble zFar)
+{
+    return true;
+}
+
+bool ValidateGenLists(const Context *, angle::EntryPoint entryPoint, GLsizei range)
+{
+    return true;
+}
+
+bool ValidateGetClipPlane(const Context *,
+                          angle::EntryPoint entryPoint,
+                          GLenum plane,
+                          const GLdouble *equation)
+{
+    return true;
+}
+
+bool ValidateGetDoublev(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLenum pname,
+                        const GLdouble *data)
+{
+    return true;
+}
+
+bool ValidateGetLightiv(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLenum light,
+                        GLenum pname,
+                        const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetMapdv(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLenum query,
+                      const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateGetMapfv(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLenum query,
+                      const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateGetMapiv(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLenum query,
+                      const GLint *v)
+{
+    return true;
+}
+
+bool ValidateGetMaterialiv(const Context *,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           GLenum pname,
+                           const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetPixelMapfv(const Context *,
+                           angle::EntryPoint entryPoint,
+                           GLenum map,
+                           const GLfloat *values)
+{
+    return true;
+}
+
+bool ValidateGetPixelMapuiv(const Context *,
+                            angle::EntryPoint entryPoint,
+                            GLenum map,
+                            const GLuint *values)
+{
+    return true;
+}
+
+bool ValidateGetPixelMapusv(const Context *,
+                            angle::EntryPoint entryPoint,
+                            GLenum map,
+                            const GLushort *values)
+{
+    return true;
+}
+
+bool ValidateGetPolygonStipple(const Context *, angle::EntryPoint entryPoint, const GLubyte *mask)
+{
+    return true;
+}
+
+bool ValidateGetTexGendv(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLdouble *params)
+{
+    return true;
+}
+
+bool ValidateGetTexGenfv(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLfloat *params)
+{
+    return true;
+}
+
+bool ValidateGetTexGeniv(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetTexImage(const Context *,
+                         angle::EntryPoint entryPoint,
+                         TextureTarget target,
+                         GLint level,
+                         GLenum format,
+                         GLenum type,
+                         const void *pixels)
+{
+    return true;
+}
+
+bool ValidateIndexMask(const Context *, angle::EntryPoint entryPoint, GLuint mask)
+{
+    return true;
+}
+
+bool ValidateIndexd(const Context *, angle::EntryPoint entryPoint, GLdouble c)
+{
+    return true;
+}
+
+bool ValidateIndexdv(const Context *, angle::EntryPoint entryPoint, const GLdouble *c)
+{
+    return true;
+}
+
+bool ValidateIndexf(const Context *, angle::EntryPoint entryPoint, GLfloat c)
+{
+    return true;
+}
+
+bool ValidateIndexfv(const Context *, angle::EntryPoint entryPoint, const GLfloat *c)
+{
+    return true;
+}
+
+bool ValidateIndexi(const Context *, angle::EntryPoint entryPoint, GLint c)
+{
+    return true;
+}
+
+bool ValidateIndexiv(const Context *, angle::EntryPoint entryPoint, const GLint *c)
+{
+    return true;
+}
+
+bool ValidateIndexs(const Context *, angle::EntryPoint entryPoint, GLshort c)
+{
+    return true;
+}
+
+bool ValidateIndexsv(const Context *, angle::EntryPoint entryPoint, const GLshort *c)
+{
+    return true;
+}
+
+bool ValidateInitNames(const Context *, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateIsList(const Context *, angle::EntryPoint entryPoint, GLuint list)
+{
+    return true;
+}
+
+bool ValidateLightModeli(const Context *, angle::EntryPoint entryPoint, GLenum pname, GLint param)
+{
+    return true;
+}
+
+bool ValidateLightModeliv(const Context *,
+                          angle::EntryPoint entryPoint,
+                          GLenum pname,
+                          const GLint *params)
+{
+    return true;
+}
+
+bool ValidateLighti(const Context *,
+                    angle::EntryPoint entryPoint,
+                    GLenum light,
+                    GLenum pname,
+                    GLint param)
+{
+    return true;
+}
+
+bool ValidateLightiv(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLenum light,
+                     GLenum pname,
+                     const GLint *params)
+{
+    return true;
+}
+
+bool ValidateLineStipple(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLint factor,
+                         GLushort pattern)
+{
+    return true;
+}
+
+bool ValidateListBase(const Context *, angle::EntryPoint entryPoint, GLuint base)
+{
+    return true;
+}
+
+bool ValidateLoadMatrixd(const Context *, angle::EntryPoint entryPoint, const GLdouble *m)
+{
+    return true;
+}
+
+bool ValidateLoadName(const Context *, angle::EntryPoint entryPoint, GLuint name)
+{
+    return true;
+}
+
+bool ValidateMap1d(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLdouble u1,
+                   GLdouble u2,
+                   GLint stride,
+                   GLint order,
+                   const GLdouble *points)
+{
+    return true;
+}
+
+bool ValidateMap1f(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLfloat u1,
+                   GLfloat u2,
+                   GLint stride,
+                   GLint order,
+                   const GLfloat *points)
+{
+    return true;
+}
+
+bool ValidateMap2d(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLdouble u1,
+                   GLdouble u2,
+                   GLint ustride,
+                   GLint uorder,
+                   GLdouble v1,
+                   GLdouble v2,
+                   GLint vstride,
+                   GLint vorder,
+                   const GLdouble *points)
+{
+    return true;
+}
+
+bool ValidateMap2f(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLfloat u1,
+                   GLfloat u2,
+                   GLint ustride,
+                   GLint uorder,
+                   GLfloat v1,
+                   GLfloat v2,
+                   GLint vstride,
+                   GLint vorder,
+                   const GLfloat *points)
+{
+    return true;
+}
+
+bool ValidateMapGrid1d(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLdouble u1,
+                       GLdouble u2)
+{
+    return true;
+}
+
+bool ValidateMapGrid1f(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLfloat u1,
+                       GLfloat u2)
+{
+    return true;
+}
+
+bool ValidateMapGrid2d(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLdouble u1,
+                       GLdouble u2,
+                       GLint vn,
+                       GLdouble v1,
+                       GLdouble v2)
+{
+    return true;
+}
+
+bool ValidateMapGrid2f(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLfloat u1,
+                       GLfloat u2,
+                       GLint vn,
+                       GLfloat v1,
+                       GLfloat v2)
+{
+    return true;
+}
+
+bool ValidateMateriali(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLenum face,
+                       GLenum pname,
+                       GLint param)
+{
+    return true;
+}
+
+bool ValidateMaterialiv(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLenum face,
+                        GLenum pname,
+                        const GLint *params)
+{
+    return true;
+}
+
+bool ValidateMultMatrixd(const Context *, angle::EntryPoint entryPoint, const GLdouble *m)
+{
+    return true;
+}
+
+bool ValidateNewList(const Context *, angle::EntryPoint entryPoint, GLuint list, GLenum mode)
+{
+    return true;
+}
+
+bool ValidateNormal3b(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLbyte nx,
+                      GLbyte ny,
+                      GLbyte nz)
+{
+    return true;
+}
+
+bool ValidateNormal3bv(const Context *, angle::EntryPoint entryPoint, const GLbyte *v)
+{
+    return true;
+}
+
+bool ValidateNormal3d(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLdouble nx,
+                      GLdouble ny,
+                      GLdouble nz)
+{
+    return true;
+}
+
+bool ValidateNormal3dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateNormal3fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateNormal3i(const Context *, angle::EntryPoint entryPoint, GLint nx, GLint ny, GLint nz)
+{
+    return true;
+}
+
+bool ValidateNormal3iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateNormal3s(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLshort nx,
+                      GLshort ny,
+                      GLshort nz)
+{
+    return true;
+}
+
+bool ValidateNormal3sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateOrtho(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLdouble left,
+                   GLdouble right,
+                   GLdouble bottom,
+                   GLdouble top,
+                   GLdouble zNear,
+                   GLdouble zFar)
+{
+    return true;
+}
+
+bool ValidatePassThrough(const Context *, angle::EntryPoint entryPoint, GLfloat token)
+{
+    return true;
+}
+
+bool ValidatePixelMapfv(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLenum map,
+                        GLsizei mapsize,
+                        const GLfloat *values)
+{
+    return true;
+}
+
+bool ValidatePixelMapuiv(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLenum map,
+                         GLsizei mapsize,
+                         const GLuint *values)
+{
+    return true;
+}
+
+bool ValidatePixelMapusv(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLenum map,
+                         GLsizei mapsize,
+                         const GLushort *values)
+{
+    return true;
+}
+
+bool ValidatePixelStoref(const Context *, angle::EntryPoint entryPoint, GLenum pname, GLfloat param)
+{
+    return true;
+}
+
+bool ValidatePixelTransferf(const Context *,
+                            angle::EntryPoint entryPoint,
+                            GLenum pname,
+                            GLfloat param)
+{
+    return true;
+}
+
+bool ValidatePixelTransferi(const Context *,
+                            angle::EntryPoint entryPoint,
+                            GLenum pname,
+                            GLint param)
+{
+    return true;
+}
+
+bool ValidatePixelZoom(const Context *,
+                       angle::EntryPoint entryPoint,
+                       GLfloat xfactor,
+                       GLfloat yfactor)
+{
+    return true;
+}
+
+bool ValidatePolygonMode(const Context *, angle::EntryPoint entryPoint, GLenum face, GLenum mode)
+{
+    return true;
+}
+
+bool ValidatePolygonStipple(const Context *, angle::EntryPoint entryPoint, const GLubyte *mask)
+{
+    return true;
+}
+
+bool ValidatePopAttrib(const Context *, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidatePopName(const Context *, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidatePushAttrib(const Context *, angle::EntryPoint entryPoint, GLbitfield mask)
+{
+    return true;
+}
+
+bool ValidatePushName(const Context *, angle::EntryPoint entryPoint, GLuint name)
+{
+    return true;
+}
+
+bool ValidateRasterPos2d(const Context *, angle::EntryPoint entryPoint, GLdouble x, GLdouble y)
+{
+    return true;
+}
+
+bool ValidateRasterPos2dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos2f(const Context *, angle::EntryPoint entryPoint, GLfloat x, GLfloat y)
+{
+    return true;
+}
+
+bool ValidateRasterPos2fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos2i(const Context *, angle::EntryPoint entryPoint, GLint x, GLint y)
+{
+    return true;
+}
+
+bool ValidateRasterPos2iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos2s(const Context *, angle::EntryPoint entryPoint, GLshort x, GLshort y)
+{
+    return true;
+}
+
+bool ValidateRasterPos2sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos3d(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y,
+                         GLdouble z)
+{
+    return true;
+}
+
+bool ValidateRasterPos3dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos3f(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z)
+{
+    return true;
+}
+
+bool ValidateRasterPos3fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos3i(const Context *, angle::EntryPoint entryPoint, GLint x, GLint y, GLint z)
+{
+    return true;
+}
+
+bool ValidateRasterPos3iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos3s(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z)
+{
+    return true;
+}
+
+bool ValidateRasterPos3sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos4d(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y,
+                         GLdouble z,
+                         GLdouble w)
+{
+    return true;
+}
+
+bool ValidateRasterPos4dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos4f(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z,
+                         GLfloat w)
+{
+    return true;
+}
+
+bool ValidateRasterPos4fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos4i(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLint z,
+                         GLint w)
+{
+    return true;
+}
+
+bool ValidateRasterPos4iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateRasterPos4s(const Context *,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z,
+                         GLshort w)
+{
+    return true;
+}
+
+bool ValidateRasterPos4sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateRectd(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLdouble x1,
+                   GLdouble y1,
+                   GLdouble x2,
+                   GLdouble y2)
+{
+    return true;
+}
+
+bool ValidateRectdv(const Context *,
+                    angle::EntryPoint entryPoint,
+                    const GLdouble *v1,
+                    const GLdouble *v2)
+{
+    return true;
+}
+
+bool ValidateRectf(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLfloat x1,
+                   GLfloat y1,
+                   GLfloat x2,
+                   GLfloat y2)
+{
+    return true;
+}
+
+bool ValidateRectfv(const Context *,
+                    angle::EntryPoint entryPoint,
+                    const GLfloat *v1,
+                    const GLfloat *v2)
+{
+    return true;
+}
+
+bool ValidateRecti(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLint x1,
+                   GLint y1,
+                   GLint x2,
+                   GLint y2)
+{
+    return true;
+}
+
+bool ValidateRectiv(const Context *, angle::EntryPoint entryPoint, const GLint *v1, const GLint *v2)
+{
+    return true;
+}
+
+bool ValidateRects(const Context *,
+                   angle::EntryPoint entryPoint,
+                   GLshort x1,
+                   GLshort y1,
+                   GLshort x2,
+                   GLshort y2)
+{
+    return true;
+}
+
+bool ValidateRectsv(const Context *,
+                    angle::EntryPoint entryPoint,
+                    const GLshort *v1,
+                    const GLshort *v2)
+{
+    return true;
+}
+
+bool ValidateRenderMode(const Context *, angle::EntryPoint entryPoint, GLenum mode)
+{
+    return true;
+}
+
+bool ValidateRotated(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLdouble angle,
+                     GLdouble x,
+                     GLdouble y,
+                     GLdouble z)
+{
+    return true;
+}
+
+bool ValidateScaled(const Context *,
+                    angle::EntryPoint entryPoint,
+                    GLdouble x,
+                    GLdouble y,
+                    GLdouble z)
+{
+    return true;
+}
+
+bool ValidateSelectBuffer(const Context *,
+                          angle::EntryPoint entryPoint,
+                          GLsizei size,
+                          const GLuint *buffer)
+{
+    return true;
+}
+
+bool ValidateTexCoord1d(const Context *, angle::EntryPoint entryPoint, GLdouble s)
+{
+    return true;
+}
+
+bool ValidateTexCoord1dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord1f(const Context *, angle::EntryPoint entryPoint, GLfloat s)
+{
+    return true;
+}
+
+bool ValidateTexCoord1fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord1i(const Context *, angle::EntryPoint entryPoint, GLint s)
+{
+    return true;
+}
+
+bool ValidateTexCoord1iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord1s(const Context *, angle::EntryPoint entryPoint, GLshort s)
+{
+    return true;
+}
+
+bool ValidateTexCoord1sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord2d(const Context *, angle::EntryPoint entryPoint, GLdouble s, GLdouble t)
+{
+    return true;
+}
+
+bool ValidateTexCoord2dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord2f(const Context *, angle::EntryPoint entryPoint, GLfloat s, GLfloat t)
+{
+    return true;
+}
+
+bool ValidateTexCoord2fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord2i(const Context *, angle::EntryPoint entryPoint, GLint s, GLint t)
+{
+    return true;
+}
+
+bool ValidateTexCoord2iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord2s(const Context *, angle::EntryPoint entryPoint, GLshort s, GLshort t)
+{
+    return true;
+}
+
+bool ValidateTexCoord2sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord3d(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLdouble s,
+                        GLdouble t,
+                        GLdouble r)
+{
+    return true;
+}
+
+bool ValidateTexCoord3dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord3f(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLfloat s,
+                        GLfloat t,
+                        GLfloat r)
+{
+    return true;
+}
+
+bool ValidateTexCoord3fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord3i(const Context *, angle::EntryPoint entryPoint, GLint s, GLint t, GLint r)
+{
+    return true;
+}
+
+bool ValidateTexCoord3iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord3s(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLshort s,
+                        GLshort t,
+                        GLshort r)
+{
+    return true;
+}
+
+bool ValidateTexCoord3sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord4d(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLdouble s,
+                        GLdouble t,
+                        GLdouble r,
+                        GLdouble q)
+{
+    return true;
+}
+
+bool ValidateTexCoord4dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord4f(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLfloat s,
+                        GLfloat t,
+                        GLfloat r,
+                        GLfloat q)
+{
+    return true;
+}
+
+bool ValidateTexCoord4fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord4i(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLint s,
+                        GLint t,
+                        GLint r,
+                        GLint q)
+{
+    return true;
+}
+
+bool ValidateTexCoord4iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateTexCoord4s(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLshort s,
+                        GLshort t,
+                        GLshort r,
+                        GLshort q)
+{
+    return true;
+}
+
+bool ValidateTexCoord4sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateTexGend(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLenum coord,
+                     GLenum pname,
+                     GLdouble param)
+{
+    return true;
+}
+
+bool ValidateTexGendv(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLenum coord,
+                      GLenum pname,
+                      const GLdouble *params)
+{
+    return true;
+}
+
+bool ValidateTexGenf(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLenum coord,
+                     GLenum pname,
+                     GLfloat param)
+{
+    return true;
+}
+bool ValidateTexGenfv(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLenum coord,
+                      GLenum pname,
+                      const GLfloat *params)
+{
+    return true;
+}
+
+bool ValidateTexGeni(const Context *,
+                     angle::EntryPoint entryPoint,
+                     GLenum coord,
+                     GLenum pname,
+                     GLint param)
+{
+    return true;
+}
+
+bool ValidateTexGeniv(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLenum coord,
+                      GLenum pname,
+                      const GLint *params)
+{
+    return true;
+}
+
+bool ValidateTexImage1D(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLint level,
+                        GLint internalformat,
+                        GLsizei width,
+                        GLint border,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels)
+{
+    return true;
+}
+
+bool ValidateTranslated(const Context *,
+                        angle::EntryPoint entryPoint,
+                        GLdouble x,
+                        GLdouble y,
+                        GLdouble z)
+{
+    return true;
+}
+
+bool ValidateVertex2d(const Context *, angle::EntryPoint entryPoint, GLdouble x, GLdouble y)
+{
+    return true;
+}
+
+bool ValidateVertex2dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertex2f(const Context *, angle::EntryPoint entryPoint, GLfloat x, GLfloat y)
+{
+    return true;
+}
+
+bool ValidateVertex2fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateVertex2i(const Context *, angle::EntryPoint entryPoint, GLint x, GLint y)
+{
+    return true;
+}
+
+bool ValidateVertex2iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertex2s(const Context *, angle::EntryPoint entryPoint, GLshort x, GLshort y)
+{
+    return true;
+}
+
+bool ValidateVertex2sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertex3d(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLdouble x,
+                      GLdouble y,
+                      GLdouble z)
+{
+    return true;
+}
+
+bool ValidateVertex3dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertex3f(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLfloat x,
+                      GLfloat y,
+                      GLfloat z)
+{
+    return true;
+}
+
+bool ValidateVertex3fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateVertex3i(const Context *, angle::EntryPoint entryPoint, GLint x, GLint y, GLint z)
+{
+    return true;
+}
+
+bool ValidateVertex3iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertex3s(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLshort x,
+                      GLshort y,
+                      GLshort z)
+{
+    return true;
+}
+
+bool ValidateVertex3sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertex4d(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLdouble x,
+                      GLdouble y,
+                      GLdouble z,
+                      GLdouble w)
+{
+    return true;
+}
+
+bool ValidateVertex4dv(const Context *, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertex4f(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLfloat x,
+                      GLfloat y,
+                      GLfloat z,
+                      GLfloat w)
+{
+    return true;
+}
+
+bool ValidateVertex4fv(const Context *, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateVertex4i(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLint x,
+                      GLint y,
+                      GLint z,
+                      GLint w)
+{
+    return true;
+}
+
+bool ValidateVertex4iv(const Context *, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertex4s(const Context *,
+                      angle::EntryPoint entryPoint,
+                      GLshort x,
+                      GLshort y,
+                      GLshort z,
+                      GLshort w)
+{
+    return true;
+}
+
+bool ValidateVertex4sv(const Context *, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateAreTexturesResident(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const GLuint *textures,
+                                 const GLboolean *residences)
+{
+    return true;
+}
+
+bool ValidateArrayElement(const Context *context, angle::EntryPoint entryPoint, GLint i)
+{
+    return true;
+}
+
+bool ValidateCopyTexImage1D(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum target,
+                            GLint level,
+                            GLenum internalformat,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLint border)
+{
+    return true;
+}
+
+bool ValidateCopyTexSubImage1D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum target,
+                               GLint level,
+                               GLint xoffset,
+                               GLint x,
+                               GLint y,
+                               GLsizei width)
+{
+    return true;
+}
+
+bool ValidateEdgeFlagPointer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLsizei stride,
+                             const void *pointer)
+{
+    return true;
+}
+
+bool ValidateIndexPointer(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLsizei stride,
+                          const void *pointer)
+{
+    return true;
+}
+
+bool ValidateIndexub(const Context *context, angle::EntryPoint entryPoint, GLubyte c)
+{
+    return true;
+}
+
+bool ValidateIndexubv(const Context *context, angle::EntryPoint entryPoint, const GLubyte *c)
+{
+    return true;
+}
+
+bool ValidateInterleavedArrays(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum format,
+                               GLsizei stride,
+                               const void *pointer)
+{
+    return true;
+}
+
+bool ValidatePopClientAttrib(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidatePrioritizeTextures(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const GLuint *textures,
+                                const GLfloat *priorities)
+{
+    return true;
+}
+
+bool ValidatePushClientAttrib(const Context *context, angle::EntryPoint entryPoint, GLbitfield mask)
+{
+    return true;
+}
+
+bool ValidateTexSubImage1D(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLint level,
+                           GLint xoffset,
+                           GLsizei width,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels)
+{
+    return true;
+}
+
+bool ValidateCompressedTexImage1D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLint level,
+                                  GLenum internalformat,
+                                  GLsizei width,
+                                  GLint border,
+                                  GLsizei imageSize,
+                                  const void *data)
+{
+    return true;
+}
+
+bool ValidateCompressedTexSubImage1D(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLsizei width,
+                                     GLenum format,
+                                     GLsizei imageSize,
+                                     const void *data)
+{
+    return true;
+}
+
+bool ValidateGetCompressedTexImage(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureTarget targetPacked,
+                                   GLint level,
+                                   const void *img)
+{
+    return true;
+}
+
+bool ValidateLoadTransposeMatrixd(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLdouble *m)
+{
+    return true;
+}
+
+bool ValidateLoadTransposeMatrixf(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLfloat *m)
+{
+    return true;
+}
+
+bool ValidateMultTransposeMatrixd(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLdouble *m)
+{
+    return true;
+}
+
+bool ValidateMultTransposeMatrixf(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLfloat *m)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord1sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s,
+                             GLdouble t)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s,
+                             GLfloat t)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s,
+                             GLint t)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s,
+                             GLshort t)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord2sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s,
+                             GLdouble t,
+                             GLdouble r)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s,
+                             GLfloat t,
+                             GLfloat r)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s,
+                             GLint t,
+                             GLint r)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s,
+                             GLshort t,
+                             GLshort r)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord3sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord4d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s,
+                             GLdouble t,
+                             GLdouble r,
+                             GLdouble q)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord4dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord4fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord4i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s,
+                             GLint t,
+                             GLint r,
+                             GLint q)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord4iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord4s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s,
+                             GLshort t,
+                             GLshort r,
+                             GLshort q)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoord4sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateFogCoordPointer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum type,
+                             GLsizei stride,
+                             const void *pointer)
+{
+    return true;
+}
+
+bool ValidateFogCoordd(const Context *context, angle::EntryPoint entryPoint, GLdouble coord)
+{
+    return true;
+}
+
+bool ValidateFogCoorddv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *coord)
+{
+    return true;
+}
+
+bool ValidateFogCoordf(const Context *context, angle::EntryPoint entryPoint, GLfloat coord)
+{
+    return true;
+}
+
+bool ValidateFogCoordfv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *coord)
+{
+    return true;
+}
+
+bool ValidateMultiDrawArrays(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             PrimitiveMode modePacked,
+                             const GLint *first,
+                             const GLsizei *count,
+                             GLsizei drawcount)
+{
+    return true;
+}
+
+bool ValidateMultiDrawElements(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               PrimitiveMode modePacked,
+                               const GLsizei *count,
+                               DrawElementsType typePacked,
+                               const void *const *indices,
+                               GLsizei drawcount)
+{
+    return true;
+}
+
+bool ValidatePointParameteri(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum pname,
+                             GLint param)
+{
+    return true;
+}
+
+bool ValidatePointParameteriv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              const GLint *params)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3b(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLbyte red,
+                              GLbyte green,
+                              GLbyte blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3bv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLbyte *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLdouble red,
+                              GLdouble green,
+                              GLdouble blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLfloat red,
+                              GLfloat green,
+                              GLfloat blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLint red,
+                              GLint green,
+                              GLint blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3s(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLshort red,
+                              GLshort green,
+                              GLshort blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3sv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3ub(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLubyte red,
+                               GLubyte green,
+                               GLubyte blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3ubv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                const GLubyte *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint red,
+                               GLuint green,
+                               GLuint blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3us(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLushort red,
+                               GLushort green,
+                               GLushort blue)
+{
+    return true;
+}
+
+bool ValidateSecondaryColor3usv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                const GLushort *v)
+{
+    return true;
+}
+
+bool ValidateSecondaryColorPointer(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLint size,
+                                   GLenum type,
+                                   GLsizei stride,
+                                   const void *pointer)
+{
+    return true;
+}
+
+bool ValidateWindowPos2d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y)
+{
+    return true;
+}
+
+bool ValidateWindowPos2dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateWindowPos2f(const Context *context, angle::EntryPoint entryPoint, GLfloat x, GLfloat y)
+{
+    return true;
+}
+
+bool ValidateWindowPos2fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateWindowPos2i(const Context *context, angle::EntryPoint entryPoint, GLint x, GLint y)
+{
+    return true;
+}
+
+bool ValidateWindowPos2iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateWindowPos2s(const Context *context, angle::EntryPoint entryPoint, GLshort x, GLshort y)
+{
+    return true;
+}
+
+bool ValidateWindowPos2sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateWindowPos3d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y,
+                         GLdouble z)
+{
+    return true;
+}
+
+bool ValidateWindowPos3dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateWindowPos3f(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z)
+{
+    return true;
+}
+
+bool ValidateWindowPos3fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateWindowPos3i(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLint z)
+{
+    return true;
+}
+
+bool ValidateWindowPos3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v)
+{
+    return true;
+}
+
+bool ValidateWindowPos3s(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z)
+{
+    return true;
+}
+
+bool ValidateWindowPos3sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateGetBufferSubData(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              GLintptr offset,
+                              GLsizeiptr size,
+                              const void *data)
+{
+    return true;
+}
+
+bool ValidateGetQueryObjectiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              QueryID id,
+                              GLenum pname,
+                              const GLint *params)
+{
+    return true;
+}
+
+bool ValidateMapBuffer(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       BufferBinding targetPacked,
+                       GLenum access)
+{
+    return true;
+}
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL1_autogen.h b/gfx/angle/checkout/src/libANGLE/validationGL1_autogen.h
new file mode 100644
index 0000000000..3e04829ea7
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL1_autogen.h
@@ -0,0 +1,1192 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationGL1_autogen.h:
+//   Validation functions for the OpenGL Desktop GL 1.x entry points.
+
+#ifndef LIBANGLE_VALIDATION_GL1_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_GL1_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+// GL 1.0
+bool ValidateAccum(const Context *context, angle::EntryPoint entryPoint, GLenum op, GLfloat value);
+bool ValidateBegin(const Context *context, angle::EntryPoint entryPoint, GLenum mode);
+bool ValidateBitmap(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLsizei width,
+                    GLsizei height,
+                    GLfloat xorig,
+                    GLfloat yorig,
+                    GLfloat xmove,
+                    GLfloat ymove,
+                    const GLubyte *bitmap);
+bool ValidateCallList(const Context *context, angle::EntryPoint entryPoint, GLuint list);
+bool ValidateCallLists(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLsizei n,
+                       GLenum type,
+                       const void *lists);
+bool ValidateClearAccum(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat red,
+                        GLfloat green,
+                        GLfloat blue,
+                        GLfloat alpha);
+bool ValidateClearDepth(const Context *context, angle::EntryPoint entryPoint, GLdouble depth);
+bool ValidateClearIndex(const Context *context, angle::EntryPoint entryPoint, GLfloat c);
+bool ValidateClipPlane(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum plane,
+                       const GLdouble *equation);
+bool ValidateColor3b(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLbyte red,
+                     GLbyte green,
+                     GLbyte blue);
+bool ValidateColor3bv(const Context *context, angle::EntryPoint entryPoint, const GLbyte *v);
+bool ValidateColor3d(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLdouble red,
+                     GLdouble green,
+                     GLdouble blue);
+bool ValidateColor3dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateColor3f(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLfloat red,
+                     GLfloat green,
+                     GLfloat blue);
+bool ValidateColor3fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateColor3i(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLint red,
+                     GLint green,
+                     GLint blue);
+bool ValidateColor3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateColor3s(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLshort red,
+                     GLshort green,
+                     GLshort blue);
+bool ValidateColor3sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateColor3ub(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLubyte red,
+                      GLubyte green,
+                      GLubyte blue);
+bool ValidateColor3ubv(const Context *context, angle::EntryPoint entryPoint, const GLubyte *v);
+bool ValidateColor3ui(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLuint red,
+                      GLuint green,
+                      GLuint blue);
+bool ValidateColor3uiv(const Context *context, angle::EntryPoint entryPoint, const GLuint *v);
+bool ValidateColor3us(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLushort red,
+                      GLushort green,
+                      GLushort blue);
+bool ValidateColor3usv(const Context *context, angle::EntryPoint entryPoint, const GLushort *v);
+bool ValidateColor4b(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLbyte red,
+                     GLbyte green,
+                     GLbyte blue,
+                     GLbyte alpha);
+bool ValidateColor4bv(const Context *context, angle::EntryPoint entryPoint, const GLbyte *v);
+bool ValidateColor4d(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLdouble red,
+                     GLdouble green,
+                     GLdouble blue,
+                     GLdouble alpha);
+bool ValidateColor4dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateColor4fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateColor4i(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLint red,
+                     GLint green,
+                     GLint blue,
+                     GLint alpha);
+bool ValidateColor4iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateColor4s(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLshort red,
+                     GLshort green,
+                     GLshort blue,
+                     GLshort alpha);
+bool ValidateColor4sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateColor4ubv(const Context *context, angle::EntryPoint entryPoint, const GLubyte *v);
+bool ValidateColor4ui(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLuint red,
+                      GLuint green,
+                      GLuint blue,
+                      GLuint alpha);
+bool ValidateColor4uiv(const Context *context, angle::EntryPoint entryPoint, const GLuint *v);
+bool ValidateColor4us(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLushort red,
+                      GLushort green,
+                      GLushort blue,
+                      GLushort alpha);
+bool ValidateColor4usv(const Context *context, angle::EntryPoint entryPoint, const GLushort *v);
+bool ValidateColorMaterial(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           GLenum mode);
+bool ValidateCopyPixels(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLint x,
+                        GLint y,
+                        GLsizei width,
+                        GLsizei height,
+                        GLenum type);
+bool ValidateDeleteLists(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLuint list,
+                         GLsizei range);
+bool ValidateDepthRange(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLdouble n,
+                        GLdouble f);
+bool ValidateDrawBuffer(const Context *context, angle::EntryPoint entryPoint, GLenum buf);
+bool ValidateDrawPixels(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLsizei width,
+                        GLsizei height,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels);
+bool ValidateEdgeFlag(const Context *context, angle::EntryPoint entryPoint, GLboolean flag);
+bool ValidateEdgeFlagv(const Context *context, angle::EntryPoint entryPoint, const GLboolean *flag);
+bool ValidateEnd(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateEndList(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateEvalCoord1d(const Context *context, angle::EntryPoint entryPoint, GLdouble u);
+bool ValidateEvalCoord1dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *u);
+bool ValidateEvalCoord1f(const Context *context, angle::EntryPoint entryPoint, GLfloat u);
+bool ValidateEvalCoord1fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *u);
+bool ValidateEvalCoord2d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble u,
+                         GLdouble v);
+bool ValidateEvalCoord2dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *u);
+bool ValidateEvalCoord2f(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat u,
+                         GLfloat v);
+bool ValidateEvalCoord2fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *u);
+bool ValidateEvalMesh1(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum mode,
+                       GLint i1,
+                       GLint i2);
+bool ValidateEvalMesh2(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum mode,
+                       GLint i1,
+                       GLint i2,
+                       GLint j1,
+                       GLint j2);
+bool ValidateEvalPoint1(const Context *context, angle::EntryPoint entryPoint, GLint i);
+bool ValidateEvalPoint2(const Context *context, angle::EntryPoint entryPoint, GLint i, GLint j);
+bool ValidateFeedbackBuffer(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei size,
+                            GLenum type,
+                            const GLfloat *buffer);
+bool ValidateFogi(const Context *context, angle::EntryPoint entryPoint, GLenum pname, GLint param);
+bool ValidateFogiv(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum pname,
+                   const GLint *params);
+bool ValidateFrustum(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLdouble left,
+                     GLdouble right,
+                     GLdouble bottom,
+                     GLdouble top,
+                     GLdouble zNear,
+                     GLdouble zFar);
+bool ValidateGenLists(const Context *context, angle::EntryPoint entryPoint, GLsizei range);
+bool ValidateGetClipPlane(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum plane,
+                          const GLdouble *equation);
+bool ValidateGetDoublev(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum pname,
+                        const GLdouble *data);
+bool ValidateGetLightiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum light,
+                        GLenum pname,
+                        const GLint *params);
+bool ValidateGetMapdv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLenum query,
+                      const GLdouble *v);
+bool ValidateGetMapfv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLenum query,
+                      const GLfloat *v);
+bool ValidateGetMapiv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum target,
+                      GLenum query,
+                      const GLint *v);
+bool ValidateGetMaterialiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum face,
+                           GLenum pname,
+                           const GLint *params);
+bool ValidateGetPixelMapfv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum map,
+                           const GLfloat *values);
+bool ValidateGetPixelMapuiv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum map,
+                            const GLuint *values);
+bool ValidateGetPixelMapusv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum map,
+                            const GLushort *values);
+bool ValidateGetPolygonStipple(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLubyte *mask);
+bool ValidateGetTexGendv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLdouble *params);
+bool ValidateGetTexGenfv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLfloat *params);
+bool ValidateGetTexGeniv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum coord,
+                         GLenum pname,
+                         const GLint *params);
+bool ValidateGetTexImage(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureTarget targetPacked,
+                         GLint level,
+                         GLenum format,
+                         GLenum type,
+                         const void *pixels);
+bool ValidateIndexMask(const Context *context, angle::EntryPoint entryPoint, GLuint mask);
+bool ValidateIndexd(const Context *context, angle::EntryPoint entryPoint, GLdouble c);
+bool ValidateIndexdv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *c);
+bool ValidateIndexf(const Context *context, angle::EntryPoint entryPoint, GLfloat c);
+bool ValidateIndexfv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *c);
+bool ValidateIndexi(const Context *context, angle::EntryPoint entryPoint, GLint c);
+bool ValidateIndexiv(const Context *context, angle::EntryPoint entryPoint, const GLint *c);
+bool ValidateIndexs(const Context *context, angle::EntryPoint entryPoint, GLshort c);
+bool ValidateIndexsv(const Context *context, angle::EntryPoint entryPoint, const GLshort *c);
+bool ValidateInitNames(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateIsList(const Context *context, angle::EntryPoint entryPoint, GLuint list);
+bool ValidateLightModeli(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLint param);
+bool ValidateLightModeliv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum pname,
+                          const GLint *params);
+bool ValidateLighti(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLenum light,
+                    GLenum pname,
+                    GLint param);
+bool ValidateLightiv(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum light,
+                     GLenum pname,
+                     const GLint *params);
+bool ValidateLineStipple(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint factor,
+                         GLushort pattern);
+bool ValidateListBase(const Context *context, angle::EntryPoint entryPoint, GLuint base);
+bool ValidateLoadMatrixd(const Context *context, angle::EntryPoint entryPoint, const GLdouble *m);
+bool ValidateLoadName(const Context *context, angle::EntryPoint entryPoint, GLuint name);
+bool ValidateMap1d(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLdouble u1,
+                   GLdouble u2,
+                   GLint stride,
+                   GLint order,
+                   const GLdouble *points);
+bool ValidateMap1f(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLfloat u1,
+                   GLfloat u2,
+                   GLint stride,
+                   GLint order,
+                   const GLfloat *points);
+bool ValidateMap2d(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLdouble u1,
+                   GLdouble u2,
+                   GLint ustride,
+                   GLint uorder,
+                   GLdouble v1,
+                   GLdouble v2,
+                   GLint vstride,
+                   GLint vorder,
+                   const GLdouble *points);
+bool ValidateMap2f(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLenum target,
+                   GLfloat u1,
+                   GLfloat u2,
+                   GLint ustride,
+                   GLint uorder,
+                   GLfloat v1,
+                   GLfloat v2,
+                   GLint vstride,
+                   GLint vorder,
+                   const GLfloat *points);
+bool ValidateMapGrid1d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLdouble u1,
+                       GLdouble u2);
+bool ValidateMapGrid1f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLfloat u1,
+                       GLfloat u2);
+bool ValidateMapGrid2d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLdouble u1,
+                       GLdouble u2,
+                       GLint vn,
+                       GLdouble v1,
+                       GLdouble v2);
+bool ValidateMapGrid2f(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLint un,
+                       GLfloat u1,
+                       GLfloat u2,
+                       GLint vn,
+                       GLfloat v1,
+                       GLfloat v2);
+bool ValidateMateriali(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum face,
+                       GLenum pname,
+                       GLint param);
+bool ValidateMaterialiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum face,
+                        GLenum pname,
+                        const GLint *params);
+bool ValidateMultMatrixd(const Context *context, angle::EntryPoint entryPoint, const GLdouble *m);
+bool ValidateNewList(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLuint list,
+                     GLenum mode);
+bool ValidateNormal3b(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLbyte nx,
+                      GLbyte ny,
+                      GLbyte nz);
+bool ValidateNormal3bv(const Context *context, angle::EntryPoint entryPoint, const GLbyte *v);
+bool ValidateNormal3d(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLdouble nx,
+                      GLdouble ny,
+                      GLdouble nz);
+bool ValidateNormal3dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateNormal3fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateNormal3i(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLint nx,
+                      GLint ny,
+                      GLint nz);
+bool ValidateNormal3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateNormal3s(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLshort nx,
+                      GLshort ny,
+                      GLshort nz);
+bool ValidateNormal3sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateOrtho(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLdouble left,
+                   GLdouble right,
+                   GLdouble bottom,
+                   GLdouble top,
+                   GLdouble zNear,
+                   GLdouble zFar);
+bool ValidatePassThrough(const Context *context, angle::EntryPoint entryPoint, GLfloat token);
+bool ValidatePixelMapfv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum map,
+                        GLsizei mapsize,
+                        const GLfloat *values);
+bool ValidatePixelMapuiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum map,
+                         GLsizei mapsize,
+                         const GLuint *values);
+bool ValidatePixelMapusv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum map,
+                         GLsizei mapsize,
+                         const GLushort *values);
+bool ValidatePixelStoref(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum pname,
+                         GLfloat param);
+bool ValidatePixelTransferf(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum pname,
+                            GLfloat param);
+bool ValidatePixelTransferi(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum pname,
+                            GLint param);
+bool ValidatePixelZoom(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLfloat xfactor,
+                       GLfloat yfactor);
+bool ValidatePolygonMode(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum face,
+                         GLenum mode);
+bool ValidatePolygonStipple(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            const GLubyte *mask);
+bool ValidatePopAttrib(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePopName(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePushAttrib(const Context *context, angle::EntryPoint entryPoint, GLbitfield mask);
+bool ValidatePushName(const Context *context, angle::EntryPoint entryPoint, GLuint name);
+bool ValidateRasterPos2d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y);
+bool ValidateRasterPos2dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateRasterPos2f(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y);
+bool ValidateRasterPos2fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateRasterPos2i(const Context *context, angle::EntryPoint entryPoint, GLint x, GLint y);
+bool ValidateRasterPos2iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateRasterPos2s(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y);
+bool ValidateRasterPos2sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateRasterPos3d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y,
+                         GLdouble z);
+bool ValidateRasterPos3dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateRasterPos3f(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z);
+bool ValidateRasterPos3fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateRasterPos3i(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLint z);
+bool ValidateRasterPos3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateRasterPos3s(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z);
+bool ValidateRasterPos3sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateRasterPos4d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y,
+                         GLdouble z,
+                         GLdouble w);
+bool ValidateRasterPos4dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateRasterPos4f(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z,
+                         GLfloat w);
+bool ValidateRasterPos4fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateRasterPos4i(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLint z,
+                         GLint w);
+bool ValidateRasterPos4iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateRasterPos4s(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z,
+                         GLshort w);
+bool ValidateRasterPos4sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateRectd(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLdouble x1,
+                   GLdouble y1,
+                   GLdouble x2,
+                   GLdouble y2);
+bool ValidateRectdv(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    const GLdouble *v1,
+                    const GLdouble *v2);
+bool ValidateRectf(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLfloat x1,
+                   GLfloat y1,
+                   GLfloat x2,
+                   GLfloat y2);
+bool ValidateRectfv(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    const GLfloat *v1,
+                    const GLfloat *v2);
+bool ValidateRecti(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLint x1,
+                   GLint y1,
+                   GLint x2,
+                   GLint y2);
+bool ValidateRectiv(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    const GLint *v1,
+                    const GLint *v2);
+bool ValidateRects(const Context *context,
+                   angle::EntryPoint entryPoint,
+                   GLshort x1,
+                   GLshort y1,
+                   GLshort x2,
+                   GLshort y2);
+bool ValidateRectsv(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    const GLshort *v1,
+                    const GLshort *v2);
+bool ValidateRenderMode(const Context *context, angle::EntryPoint entryPoint, GLenum mode);
+bool ValidateRotated(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLdouble angle,
+                     GLdouble x,
+                     GLdouble y,
+                     GLdouble z);
+bool ValidateScaled(const Context *context,
+                    angle::EntryPoint entryPoint,
+                    GLdouble x,
+                    GLdouble y,
+                    GLdouble z);
+bool ValidateSelectBuffer(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLsizei size,
+                          const GLuint *buffer);
+bool ValidateTexCoord1d(const Context *context, angle::EntryPoint entryPoint, GLdouble s);
+bool ValidateTexCoord1dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateTexCoord1f(const Context *context, angle::EntryPoint entryPoint, GLfloat s);
+bool ValidateTexCoord1fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateTexCoord1i(const Context *context, angle::EntryPoint entryPoint, GLint s);
+bool ValidateTexCoord1iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateTexCoord1s(const Context *context, angle::EntryPoint entryPoint, GLshort s);
+bool ValidateTexCoord1sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateTexCoord2d(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLdouble s,
+                        GLdouble t);
+bool ValidateTexCoord2dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateTexCoord2f(const Context *context, angle::EntryPoint entryPoint, GLfloat s, GLfloat t);
+bool ValidateTexCoord2fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateTexCoord2i(const Context *context, angle::EntryPoint entryPoint, GLint s, GLint t);
+bool ValidateTexCoord2iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateTexCoord2s(const Context *context, angle::EntryPoint entryPoint, GLshort s, GLshort t);
+bool ValidateTexCoord2sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateTexCoord3d(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLdouble s,
+                        GLdouble t,
+                        GLdouble r);
+bool ValidateTexCoord3dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateTexCoord3f(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat s,
+                        GLfloat t,
+                        GLfloat r);
+bool ValidateTexCoord3fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateTexCoord3i(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLint s,
+                        GLint t,
+                        GLint r);
+bool ValidateTexCoord3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateTexCoord3s(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLshort s,
+                        GLshort t,
+                        GLshort r);
+bool ValidateTexCoord3sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateTexCoord4d(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLdouble s,
+                        GLdouble t,
+                        GLdouble r,
+                        GLdouble q);
+bool ValidateTexCoord4dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateTexCoord4f(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLfloat s,
+                        GLfloat t,
+                        GLfloat r,
+                        GLfloat q);
+bool ValidateTexCoord4fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateTexCoord4i(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLint s,
+                        GLint t,
+                        GLint r,
+                        GLint q);
+bool ValidateTexCoord4iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateTexCoord4s(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLshort s,
+                        GLshort t,
+                        GLshort r,
+                        GLshort q);
+bool ValidateTexCoord4sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateTexGend(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum coord,
+                     GLenum pname,
+                     GLdouble param);
+bool ValidateTexGendv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum coord,
+                      GLenum pname,
+                      const GLdouble *params);
+bool ValidateTexGenf(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum coord,
+                     GLenum pname,
+                     GLfloat param);
+bool ValidateTexGenfv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum coord,
+                      GLenum pname,
+                      const GLfloat *params);
+bool ValidateTexGeni(const Context *context,
+                     angle::EntryPoint entryPoint,
+                     GLenum coord,
+                     GLenum pname,
+                     GLint param);
+bool ValidateTexGeniv(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLenum coord,
+                      GLenum pname,
+                      const GLint *params);
+bool ValidateTexImage1D(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLint level,
+                        GLint internalformat,
+                        GLsizei width,
+                        GLint border,
+                        GLenum format,
+                        GLenum type,
+                        const void *pixels);
+bool ValidateTranslated(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLdouble x,
+                        GLdouble y,
+                        GLdouble z);
+bool ValidateVertex2d(const Context *context, angle::EntryPoint entryPoint, GLdouble x, GLdouble y);
+bool ValidateVertex2dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateVertex2f(const Context *context, angle::EntryPoint entryPoint, GLfloat x, GLfloat y);
+bool ValidateVertex2fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateVertex2i(const Context *context, angle::EntryPoint entryPoint, GLint x, GLint y);
+bool ValidateVertex2iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateVertex2s(const Context *context, angle::EntryPoint entryPoint, GLshort x, GLshort y);
+bool ValidateVertex2sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateVertex3d(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLdouble x,
+                      GLdouble y,
+                      GLdouble z);
+bool ValidateVertex3dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateVertex3f(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfloat x,
+                      GLfloat y,
+                      GLfloat z);
+bool ValidateVertex3fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateVertex3i(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLint x,
+                      GLint y,
+                      GLint z);
+bool ValidateVertex3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateVertex3s(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLshort x,
+                      GLshort y,
+                      GLshort z);
+bool ValidateVertex3sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateVertex4d(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLdouble x,
+                      GLdouble y,
+                      GLdouble z,
+                      GLdouble w);
+bool ValidateVertex4dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateVertex4f(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLfloat x,
+                      GLfloat y,
+                      GLfloat z,
+                      GLfloat w);
+bool ValidateVertex4fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateVertex4i(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLint x,
+                      GLint y,
+                      GLint z,
+                      GLint w);
+bool ValidateVertex4iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateVertex4s(const Context *context,
+                      angle::EntryPoint entryPoint,
+                      GLshort x,
+                      GLshort y,
+                      GLshort z,
+                      GLshort w);
+bool ValidateVertex4sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+
+// GL 1.1
+bool ValidateAreTexturesResident(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const GLuint *textures,
+                                 const GLboolean *residences);
+bool ValidateArrayElement(const Context *context, angle::EntryPoint entryPoint, GLint i);
+bool ValidateCopyTexImage1D(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum target,
+                            GLint level,
+                            GLenum internalformat,
+                            GLint x,
+                            GLint y,
+                            GLsizei width,
+                            GLint border);
+bool ValidateCopyTexSubImage1D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum target,
+                               GLint level,
+                               GLint xoffset,
+                               GLint x,
+                               GLint y,
+                               GLsizei width);
+bool ValidateEdgeFlagPointer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLsizei stride,
+                             const void *pointer);
+bool ValidateIndexPointer(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLsizei stride,
+                          const void *pointer);
+bool ValidateIndexub(const Context *context, angle::EntryPoint entryPoint, GLubyte c);
+bool ValidateIndexubv(const Context *context, angle::EntryPoint entryPoint, const GLubyte *c);
+bool ValidateInterleavedArrays(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum format,
+                               GLsizei stride,
+                               const void *pointer);
+bool ValidatePopClientAttrib(const Context *context, angle::EntryPoint entryPoint);
+bool ValidatePrioritizeTextures(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const GLuint *textures,
+                                const GLfloat *priorities);
+bool ValidatePushClientAttrib(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLbitfield mask);
+bool ValidateTexSubImage1D(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLint level,
+                           GLint xoffset,
+                           GLsizei width,
+                           GLenum format,
+                           GLenum type,
+                           const void *pixels);
+
+// GL 1.2
+
+// GL 1.3
+bool ValidateCompressedTexImage1D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLint level,
+                                  GLenum internalformat,
+                                  GLsizei width,
+                                  GLint border,
+                                  GLsizei imageSize,
+                                  const void *data);
+bool ValidateCompressedTexSubImage1D(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum target,
+                                     GLint level,
+                                     GLint xoffset,
+                                     GLsizei width,
+                                     GLenum format,
+                                     GLsizei imageSize,
+                                     const void *data);
+bool ValidateGetCompressedTexImage(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureTarget targetPacked,
+                                   GLint level,
+                                   const void *img);
+bool ValidateLoadTransposeMatrixd(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLdouble *m);
+bool ValidateLoadTransposeMatrixf(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLfloat *m);
+bool ValidateMultTransposeMatrixd(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLdouble *m);
+bool ValidateMultTransposeMatrixf(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  const GLfloat *m);
+bool ValidateMultiTexCoord1d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s);
+bool ValidateMultiTexCoord1dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v);
+bool ValidateMultiTexCoord1f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s);
+bool ValidateMultiTexCoord1fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v);
+bool ValidateMultiTexCoord1i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s);
+bool ValidateMultiTexCoord1iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v);
+bool ValidateMultiTexCoord1s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s);
+bool ValidateMultiTexCoord1sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v);
+bool ValidateMultiTexCoord2d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s,
+                             GLdouble t);
+bool ValidateMultiTexCoord2dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v);
+bool ValidateMultiTexCoord2f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s,
+                             GLfloat t);
+bool ValidateMultiTexCoord2fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v);
+bool ValidateMultiTexCoord2i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s,
+                             GLint t);
+bool ValidateMultiTexCoord2iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v);
+bool ValidateMultiTexCoord2s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s,
+                             GLshort t);
+bool ValidateMultiTexCoord2sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v);
+bool ValidateMultiTexCoord3d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s,
+                             GLdouble t,
+                             GLdouble r);
+bool ValidateMultiTexCoord3dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v);
+bool ValidateMultiTexCoord3f(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLfloat s,
+                             GLfloat t,
+                             GLfloat r);
+bool ValidateMultiTexCoord3fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v);
+bool ValidateMultiTexCoord3i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s,
+                             GLint t,
+                             GLint r);
+bool ValidateMultiTexCoord3iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v);
+bool ValidateMultiTexCoord3s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s,
+                             GLshort t,
+                             GLshort r);
+bool ValidateMultiTexCoord3sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v);
+bool ValidateMultiTexCoord4d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLdouble s,
+                             GLdouble t,
+                             GLdouble r,
+                             GLdouble q);
+bool ValidateMultiTexCoord4dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLdouble *v);
+bool ValidateMultiTexCoord4fv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLfloat *v);
+bool ValidateMultiTexCoord4i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLint s,
+                             GLint t,
+                             GLint r,
+                             GLint q);
+bool ValidateMultiTexCoord4iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLint *v);
+bool ValidateMultiTexCoord4s(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLshort s,
+                             GLshort t,
+                             GLshort r,
+                             GLshort q);
+bool ValidateMultiTexCoord4sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              const GLshort *v);
+
+// GL 1.4
+bool ValidateFogCoordPointer(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum type,
+                             GLsizei stride,
+                             const void *pointer);
+bool ValidateFogCoordd(const Context *context, angle::EntryPoint entryPoint, GLdouble coord);
+bool ValidateFogCoorddv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        const GLdouble *coord);
+bool ValidateFogCoordf(const Context *context, angle::EntryPoint entryPoint, GLfloat coord);
+bool ValidateFogCoordfv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *coord);
+bool ValidateMultiDrawArrays(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             PrimitiveMode modePacked,
+                             const GLint *first,
+                             const GLsizei *count,
+                             GLsizei drawcount);
+bool ValidateMultiDrawElements(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               PrimitiveMode modePacked,
+                               const GLsizei *count,
+                               DrawElementsType typePacked,
+                               const void *const *indices,
+                               GLsizei drawcount);
+bool ValidatePointParameteri(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum pname,
+                             GLint param);
+bool ValidatePointParameteriv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              const GLint *params);
+bool ValidateSecondaryColor3b(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLbyte red,
+                              GLbyte green,
+                              GLbyte blue);
+bool ValidateSecondaryColor3bv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLbyte *v);
+bool ValidateSecondaryColor3d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLdouble red,
+                              GLdouble green,
+                              GLdouble blue);
+bool ValidateSecondaryColor3dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLdouble *v);
+bool ValidateSecondaryColor3f(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLfloat red,
+                              GLfloat green,
+                              GLfloat blue);
+bool ValidateSecondaryColor3fv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLfloat *v);
+bool ValidateSecondaryColor3i(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLint red,
+                              GLint green,
+                              GLint blue);
+bool ValidateSecondaryColor3iv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLint *v);
+bool ValidateSecondaryColor3s(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLshort red,
+                              GLshort green,
+                              GLshort blue);
+bool ValidateSecondaryColor3sv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               const GLshort *v);
+bool ValidateSecondaryColor3ub(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLubyte red,
+                               GLubyte green,
+                               GLubyte blue);
+bool ValidateSecondaryColor3ubv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                const GLubyte *v);
+bool ValidateSecondaryColor3ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint red,
+                               GLuint green,
+                               GLuint blue);
+bool ValidateSecondaryColor3uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                const GLuint *v);
+bool ValidateSecondaryColor3us(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLushort red,
+                               GLushort green,
+                               GLushort blue);
+bool ValidateSecondaryColor3usv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                const GLushort *v);
+bool ValidateSecondaryColorPointer(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLint size,
+                                   GLenum type,
+                                   GLsizei stride,
+                                   const void *pointer);
+bool ValidateWindowPos2d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y);
+bool ValidateWindowPos2dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateWindowPos2f(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y);
+bool ValidateWindowPos2fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateWindowPos2i(const Context *context, angle::EntryPoint entryPoint, GLint x, GLint y);
+bool ValidateWindowPos2iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateWindowPos2s(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y);
+bool ValidateWindowPos2sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+bool ValidateWindowPos3d(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLdouble x,
+                         GLdouble y,
+                         GLdouble z);
+bool ValidateWindowPos3dv(const Context *context, angle::EntryPoint entryPoint, const GLdouble *v);
+bool ValidateWindowPos3f(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLfloat x,
+                         GLfloat y,
+                         GLfloat z);
+bool ValidateWindowPos3fv(const Context *context, angle::EntryPoint entryPoint, const GLfloat *v);
+bool ValidateWindowPos3i(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLint x,
+                         GLint y,
+                         GLint z);
+bool ValidateWindowPos3iv(const Context *context, angle::EntryPoint entryPoint, const GLint *v);
+bool ValidateWindowPos3s(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLshort x,
+                         GLshort y,
+                         GLshort z);
+bool ValidateWindowPos3sv(const Context *context, angle::EntryPoint entryPoint, const GLshort *v);
+
+// GL 1.5
+bool ValidateGetBufferSubData(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              GLintptr offset,
+                              GLsizeiptr size,
+                              const void *data);
+bool ValidateGetQueryObjectiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              QueryID idPacked,
+                              GLenum pname,
+                              const GLint *params);
+bool ValidateMapBuffer(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       BufferBinding targetPacked,
+                       GLenum access);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_GL1_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL2.cpp b/gfx/angle/checkout/src/libANGLE/validationGL2.cpp
new file mode 100644
index 0000000000..9eb97b2f94
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL2.cpp
@@ -0,0 +1,262 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationGL2.cpp: Validation functions for OpenGL 2.0 entry point parameters
+
+#include "libANGLE/validationGL2_autogen.h"
+
+namespace gl
+{
+
+bool ValidateGetVertexAttribdv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum pname,
+                               const GLdouble *params)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib1d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib1dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib1s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib1sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib2d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x,
+                            GLdouble y)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib2dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib2s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x,
+                            GLshort y)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib2sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib3d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x,
+                            GLdouble y,
+                            GLdouble z)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib3dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib3s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x,
+                            GLshort y,
+                            GLshort z)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib3sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4Nbv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLbyte *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4Niv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4Nsv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4Nub(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLubyte x,
+                              GLubyte y,
+                              GLubyte z,
+                              GLubyte w)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4Nubv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLubyte *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4Nuiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4Nusv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLushort *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4bv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLbyte *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x,
+                            GLdouble y,
+                            GLdouble z,
+                            GLdouble w)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4iv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x,
+                            GLshort y,
+                            GLshort z,
+                            GLshort w)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4ubv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLubyte *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4uiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttrib4usv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLushort *v)
+{
+    return true;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL2_autogen.h b/gfx/angle/checkout/src/libANGLE/validationGL2_autogen.h
new file mode 100644
index 0000000000..5a6e0b375f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL2_autogen.h
@@ -0,0 +1,158 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationGL2_autogen.h:
+//   Validation functions for the OpenGL Desktop GL 2.x entry points.
+
+#ifndef LIBANGLE_VALIDATION_GL2_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_GL2_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+// GL 2.0
+bool ValidateGetVertexAttribdv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum pname,
+                               const GLdouble *params);
+bool ValidateVertexAttrib1d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x);
+bool ValidateVertexAttrib1dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v);
+bool ValidateVertexAttrib1s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x);
+bool ValidateVertexAttrib1sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v);
+bool ValidateVertexAttrib2d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x,
+                            GLdouble y);
+bool ValidateVertexAttrib2dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v);
+bool ValidateVertexAttrib2s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x,
+                            GLshort y);
+bool ValidateVertexAttrib2sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v);
+bool ValidateVertexAttrib3d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x,
+                            GLdouble y,
+                            GLdouble z);
+bool ValidateVertexAttrib3dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v);
+bool ValidateVertexAttrib3s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x,
+                            GLshort y,
+                            GLshort z);
+bool ValidateVertexAttrib3sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v);
+bool ValidateVertexAttrib4Nbv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLbyte *v);
+bool ValidateVertexAttrib4Niv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v);
+bool ValidateVertexAttrib4Nsv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLshort *v);
+bool ValidateVertexAttrib4Nub(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLubyte x,
+                              GLubyte y,
+                              GLubyte z,
+                              GLubyte w);
+bool ValidateVertexAttrib4Nubv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLubyte *v);
+bool ValidateVertexAttrib4Nuiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v);
+bool ValidateVertexAttrib4Nusv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLushort *v);
+bool ValidateVertexAttrib4bv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLbyte *v);
+bool ValidateVertexAttrib4d(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLdouble x,
+                            GLdouble y,
+                            GLdouble z,
+                            GLdouble w);
+bool ValidateVertexAttrib4dv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLdouble *v);
+bool ValidateVertexAttrib4iv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLint *v);
+bool ValidateVertexAttrib4s(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLshort x,
+                            GLshort y,
+                            GLshort z,
+                            GLshort w);
+bool ValidateVertexAttrib4sv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLshort *v);
+bool ValidateVertexAttrib4ubv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLubyte *v);
+bool ValidateVertexAttrib4uiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLuint *v);
+bool ValidateVertexAttrib4usv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLushort *v);
+
+// GL 2.1
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_GL2_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL3.cpp b/gfx/angle/checkout/src/libANGLE/validationGL3.cpp
new file mode 100644
index 0000000000..1e452bd0f4
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL3.cpp
@@ -0,0 +1,634 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationGL3.cpp: Validation functions for OpenGL 3.0 entry point parameters
+
+#include "libANGLE/validationGL3_autogen.h"
+
+namespace gl
+{
+
+bool ValidateBeginConditionalRender(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint id,
+                                    GLenum mode)
+{
+    return true;
+}
+
+bool ValidateBindFragDataLocation(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  GLuint color,
+                                  const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateClampColor(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLenum clamp)
+{
+    return true;
+}
+
+bool ValidateEndConditionalRender(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateFramebufferTexture1D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLenum attachment,
+                                  TextureTarget textargetPacked,
+                                  TextureID texture,
+                                  GLint level)
+{
+    return true;
+}
+
+bool ValidateFramebufferTexture3D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLenum attachment,
+                                  TextureTarget textargetPacked,
+                                  TextureID texture,
+                                  GLint level,
+                                  GLint zoffset)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI1i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI1iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI1ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI1uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI2i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x,
+                             GLint y)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI2iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI2ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x,
+                              GLuint y)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI2uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI3i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x,
+                             GLint y,
+                             GLint z)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI3iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI3ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x,
+                              GLuint y,
+                              GLuint z)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI3uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI4bv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLbyte *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI4sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLshort *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI4ubv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLubyte *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribI4usv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLushort *v)
+{
+    return true;
+}
+
+bool ValidateGetActiveUniformName(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID program,
+                                  GLuint uniformIndex,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLchar *uniformName)
+{
+    return true;
+}
+
+bool ValidatePrimitiveRestartIndex(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint index)
+{
+    return true;
+}
+
+bool ValidateMultiDrawElementsBaseVertex(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         PrimitiveMode mode,
+                                         const GLsizei *count,
+                                         DrawElementsType type,
+                                         const void *const *indices,
+                                         GLsizei drawcount,
+                                         const GLint *basevertex)
+{
+    return true;
+}
+
+bool ValidateProvokingVertex(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ProvokingVertexConvention modePacked)
+{
+    return true;
+}
+
+bool ValidateTexImage2DMultisample(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei samples,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLboolean fixedsamplelocations)
+{
+    return true;
+}
+
+bool ValidateTexImage3DMultisample(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei samples,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth,
+                                   GLboolean fixedsamplelocations)
+{
+    return true;
+}
+
+bool ValidateBindFragDataLocationIndexed(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID program,
+                                         GLuint colorNumber,
+                                         GLuint index,
+                                         const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateColorP3ui(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum type,
+                       GLuint color)
+{
+    return true;
+}
+
+bool ValidateColorP3uiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        const GLuint *color)
+{
+    return true;
+}
+
+bool ValidateColorP4ui(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum type,
+                       GLuint color)
+{
+    return true;
+}
+
+bool ValidateColorP4uiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        const GLuint *color)
+{
+    return true;
+}
+
+bool ValidateGetFragDataIndex(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateGetQueryObjecti64v(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                QueryID id,
+                                GLenum pname,
+                                const GLint64 *params)
+{
+    return true;
+}
+
+bool ValidateGetQueryObjectui64v(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 QueryID id,
+                                 GLenum pname,
+                                 const GLuint64 *params)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP1ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP1uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP2ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP2uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP3ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP3uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP4ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords)
+{
+    return true;
+}
+
+bool ValidateMultiTexCoordP4uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateNormalP3ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint coords)
+{
+    return true;
+}
+
+bool ValidateNormalP3uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateQueryCounter(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          QueryID id,
+                          QueryType targetPacked)
+{
+    return true;
+}
+
+bool ValidateSecondaryColorP3ui(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum type,
+                                GLuint color)
+{
+    return true;
+}
+
+bool ValidateSecondaryColorP3uiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum type,
+                                 const GLuint *color)
+{
+    return true;
+}
+
+bool ValidateTexCoordP1ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords)
+{
+    return true;
+}
+
+bool ValidateTexCoordP1uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateTexCoordP2ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords)
+{
+    return true;
+}
+
+bool ValidateTexCoordP2uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateTexCoordP3ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords)
+{
+    return true;
+}
+
+bool ValidateTexCoordP3uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateTexCoordP4ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords)
+{
+    return true;
+}
+
+bool ValidateTexCoordP4uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP1ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP1uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP2ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP2uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP3ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP3uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP4ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value)
+{
+    return true;
+}
+
+bool ValidateVertexAttribP4uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value)
+{
+    return true;
+}
+
+bool ValidateVertexP2ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint value)
+{
+    return true;
+}
+
+bool ValidateVertexP2uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *value)
+{
+    return true;
+}
+
+bool ValidateVertexP3ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint value)
+{
+    return true;
+}
+
+bool ValidateVertexP3uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *value)
+{
+    return true;
+}
+
+bool ValidateVertexP4ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint value)
+{
+    return true;
+}
+
+bool ValidateVertexP4uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *value)
+{
+    return true;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL3_autogen.h b/gfx/angle/checkout/src/libANGLE/validationGL3_autogen.h
new file mode 100644
index 0000000000..1f71153cb1
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL3_autogen.h
@@ -0,0 +1,367 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationGL3_autogen.h:
+//   Validation functions for the OpenGL Desktop GL 3.x entry points.
+
+#ifndef LIBANGLE_VALIDATION_GL3_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_GL3_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+// GL 3.0
+bool ValidateBeginConditionalRender(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint id,
+                                    GLenum mode);
+bool ValidateBindFragDataLocation(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  GLuint color,
+                                  const GLchar *name);
+bool ValidateClampColor(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLenum clamp);
+bool ValidateEndConditionalRender(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateFramebufferTexture1D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLenum attachment,
+                                  TextureTarget textargetPacked,
+                                  TextureID texturePacked,
+                                  GLint level);
+bool ValidateFramebufferTexture3D(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLenum target,
+                                  GLenum attachment,
+                                  TextureTarget textargetPacked,
+                                  TextureID texturePacked,
+                                  GLint level,
+                                  GLint zoffset);
+bool ValidateVertexAttribI1i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x);
+bool ValidateVertexAttribI1iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v);
+bool ValidateVertexAttribI1ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x);
+bool ValidateVertexAttribI1uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v);
+bool ValidateVertexAttribI2i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x,
+                             GLint y);
+bool ValidateVertexAttribI2iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v);
+bool ValidateVertexAttribI2ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x,
+                              GLuint y);
+bool ValidateVertexAttribI2uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v);
+bool ValidateVertexAttribI3i(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLint x,
+                             GLint y,
+                             GLint z);
+bool ValidateVertexAttribI3iv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLint *v);
+bool ValidateVertexAttribI3ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLuint x,
+                              GLuint y,
+                              GLuint z);
+bool ValidateVertexAttribI3uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLuint *v);
+bool ValidateVertexAttribI4bv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLbyte *v);
+bool ValidateVertexAttribI4sv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLshort *v);
+bool ValidateVertexAttribI4ubv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLubyte *v);
+bool ValidateVertexAttribI4usv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLushort *v);
+
+// GL 3.1
+bool ValidateGetActiveUniformName(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  ShaderProgramID programPacked,
+                                  GLuint uniformIndex,
+                                  GLsizei bufSize,
+                                  const GLsizei *length,
+                                  const GLchar *uniformName);
+bool ValidatePrimitiveRestartIndex(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLuint index);
+
+// GL 3.2
+bool ValidateMultiDrawElementsBaseVertex(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         PrimitiveMode modePacked,
+                                         const GLsizei *count,
+                                         DrawElementsType typePacked,
+                                         const void *const *indices,
+                                         GLsizei drawcount,
+                                         const GLint *basevertex);
+bool ValidateProvokingVertex(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             ProvokingVertexConvention modePacked);
+bool ValidateTexImage2DMultisample(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei samples,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLboolean fixedsamplelocations);
+bool ValidateTexImage3DMultisample(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLsizei samples,
+                                   GLenum internalformat,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth,
+                                   GLboolean fixedsamplelocations);
+
+// GL 3.3
+bool ValidateBindFragDataLocationIndexed(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         ShaderProgramID programPacked,
+                                         GLuint colorNumber,
+                                         GLuint index,
+                                         const GLchar *name);
+bool ValidateColorP3ui(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum type,
+                       GLuint color);
+bool ValidateColorP3uiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        const GLuint *color);
+bool ValidateColorP4ui(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum type,
+                       GLuint color);
+bool ValidateColorP4uiv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        const GLuint *color);
+bool ValidateGetFragDataIndex(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              const GLchar *name);
+bool ValidateGetQueryObjecti64v(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                QueryID idPacked,
+                                GLenum pname,
+                                const GLint64 *params);
+bool ValidateGetQueryObjectui64v(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 QueryID idPacked,
+                                 GLenum pname,
+                                 const GLuint64 *params);
+bool ValidateMultiTexCoordP1ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords);
+bool ValidateMultiTexCoordP1uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords);
+bool ValidateMultiTexCoordP2ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords);
+bool ValidateMultiTexCoordP2uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords);
+bool ValidateMultiTexCoordP3ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords);
+bool ValidateMultiTexCoordP3uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords);
+bool ValidateMultiTexCoordP4ui(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum texture,
+                               GLenum type,
+                               GLuint coords);
+bool ValidateMultiTexCoordP4uiv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum texture,
+                                GLenum type,
+                                const GLuint *coords);
+bool ValidateNormalP3ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint coords);
+bool ValidateNormalP3uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *coords);
+bool ValidateQueryCounter(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          QueryID idPacked,
+                          QueryType targetPacked);
+bool ValidateSecondaryColorP3ui(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum type,
+                                GLuint color);
+bool ValidateSecondaryColorP3uiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum type,
+                                 const GLuint *color);
+bool ValidateTexCoordP1ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords);
+bool ValidateTexCoordP1uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords);
+bool ValidateTexCoordP2ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords);
+bool ValidateTexCoordP2uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords);
+bool ValidateTexCoordP3ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords);
+bool ValidateTexCoordP3uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords);
+bool ValidateTexCoordP4ui(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum type,
+                          GLuint coords);
+bool ValidateTexCoordP4uiv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum type,
+                           const GLuint *coords);
+bool ValidateVertexAttribP1ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value);
+bool ValidateVertexAttribP1uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value);
+bool ValidateVertexAttribP2ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value);
+bool ValidateVertexAttribP2uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value);
+bool ValidateVertexAttribP3ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value);
+bool ValidateVertexAttribP3uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value);
+bool ValidateVertexAttribP4ui(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLenum type,
+                              GLboolean normalized,
+                              GLuint value);
+bool ValidateVertexAttribP4uiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLenum type,
+                               GLboolean normalized,
+                               const GLuint *value);
+bool ValidateVertexP2ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint value);
+bool ValidateVertexP2uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *value);
+bool ValidateVertexP3ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint value);
+bool ValidateVertexP3uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *value);
+bool ValidateVertexP4ui(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum type,
+                        GLuint value);
+bool ValidateVertexP4uiv(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum type,
+                         const GLuint *value);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_GL3_AUTOGEN_H_
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL4.cpp b/gfx/angle/checkout/src/libANGLE/validationGL4.cpp
new file mode 100644
index 0000000000..066391d1d9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL4.cpp
@@ -0,0 +1,2223 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// validationGL4.cpp: Validation functions for OpenGL 4.0 entry point parameters
+
+#include "libANGLE/validationGL4_autogen.h"
+
+namespace gl
+{
+
+bool ValidateBeginQueryIndexed(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum target,
+                               GLuint index,
+                               QueryID id)
+{
+    return true;
+}
+
+bool ValidateDrawTransformFeedback(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum mode,
+                                   TransformFeedbackID id)
+{
+    return true;
+}
+
+bool ValidateDrawTransformFeedbackStream(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum mode,
+                                         TransformFeedbackID id,
+                                         GLuint stream)
+{
+    return true;
+}
+
+bool ValidateEndQueryIndexed(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLuint index)
+{
+    return true;
+}
+
+bool ValidateGetActiveSubroutineName(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     GLenum shadertype,
+                                     GLuint index,
+                                     GLsizei bufsize,
+                                     const GLsizei *length,
+                                     const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateGetActiveSubroutineUniformName(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID program,
+                                            GLenum shadertype,
+                                            GLuint index,
+                                            GLsizei bufsize,
+                                            const GLsizei *length,
+                                            const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateGetActiveSubroutineUniformiv(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID program,
+                                          GLenum shadertype,
+                                          GLuint index,
+                                          GLenum pname,
+                                          const GLint *values)
+{
+    return true;
+}
+
+bool ValidateGetProgramStageiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               GLenum shadertype,
+                               GLenum pname,
+                               const GLint *values)
+{
+    return true;
+}
+
+bool ValidateGetQueryIndexediv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum target,
+                               GLuint index,
+                               GLenum pname,
+                               const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetSubroutineIndex(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID program,
+                                GLenum shadertype,
+                                const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateGetSubroutineUniformLocation(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID program,
+                                          GLenum shadertype,
+                                          const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateGetUniformSubroutineuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum shadertype,
+                                     GLint location,
+                                     const GLuint *params)
+{
+    return true;
+}
+
+bool ValidateGetUniformdv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID program,
+                          UniformLocation location,
+                          const GLdouble *params)
+{
+    return true;
+}
+
+bool ValidatePatchParameterfv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              const GLfloat *values)
+{
+    return true;
+}
+
+bool ValidateUniform1d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLdouble x)
+{
+    return true;
+}
+
+bool ValidateUniform1dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniform2d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLdouble x,
+                       GLdouble y)
+{
+    return true;
+}
+
+bool ValidateUniform2dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniform3d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLdouble x,
+                       GLdouble y,
+                       GLdouble z)
+{
+    return true;
+}
+
+bool ValidateUniform3dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniform4d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation location,
+                       GLdouble x,
+                       GLdouble y,
+                       GLdouble z,
+                       GLdouble w)
+{
+    return true;
+}
+
+bool ValidateUniform4dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation location,
+                        GLsizei count,
+                        const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix2dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation location,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix2x3dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix2x4dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix3dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation location,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix3x2dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix3x4dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix4dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation location,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix4x2dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformMatrix4x3dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation location,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateUniformSubroutinesuiv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum shadertype,
+                                   GLsizei count,
+                                   const GLuint *indices)
+{
+    return true;
+}
+
+bool ValidateDepthRangeArrayv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint first,
+                              GLsizei count,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateDepthRangeIndexed(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLdouble n,
+                               GLdouble f)
+{
+    return true;
+}
+
+bool ValidateGetDoublei_v(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum target,
+                          GLuint index,
+                          const GLdouble *data)
+{
+    return true;
+}
+
+bool ValidateGetFloati_v(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum target,
+                         GLuint index,
+                         const GLfloat *data)
+{
+    return true;
+}
+
+bool ValidateGetVertexAttribLdv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint index,
+                                GLenum pname,
+                                const GLdouble *params)
+{
+    return true;
+}
+
+bool ValidateProgramUniform1d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLdouble v0)
+{
+    return true;
+}
+
+bool ValidateProgramUniform1dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               UniformLocation location,
+                               GLsizei count,
+                               const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniform2d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLdouble v0,
+                              GLdouble v1)
+{
+    return true;
+}
+
+bool ValidateProgramUniform2dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               UniformLocation location,
+                               GLsizei count,
+                               const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniform3d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLdouble v0,
+                              GLdouble v1,
+                              GLdouble v2)
+{
+    return true;
+}
+
+bool ValidateProgramUniform3dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               UniformLocation location,
+                               GLsizei count,
+                               const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniform4d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID program,
+                              UniformLocation location,
+                              GLdouble v0,
+                              GLdouble v1,
+                              GLdouble v2,
+                              GLdouble v3)
+{
+    return true;
+}
+
+bool ValidateProgramUniform4dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID program,
+                               UniformLocation location,
+                               GLsizei count,
+                               const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix2dv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformLocation location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix2x3dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix2x4dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix3dv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformLocation location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix3x2dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix3x4dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix4dv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID program,
+                                     UniformLocation location,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix4x2dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateProgramUniformMatrix4x3dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       UniformLocation location,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value)
+{
+    return true;
+}
+
+bool ValidateScissorArrayv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint first,
+                           GLsizei count,
+                           const GLint *v)
+{
+    return true;
+}
+
+bool ValidateScissorIndexed(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLint left,
+                            GLint bottom,
+                            GLsizei width,
+                            GLsizei height)
+{
+    return true;
+}
+
+bool ValidateScissorIndexedv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLint *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL1d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL1dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL2d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x,
+                             GLdouble y)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL2dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL3d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x,
+                             GLdouble y,
+                             GLdouble z)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL3dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL4d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x,
+                             GLdouble y,
+                             GLdouble z,
+                             GLdouble w)
+{
+    return true;
+}
+
+bool ValidateVertexAttribL4dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateVertexAttribLPointer(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint index,
+                                  GLint size,
+                                  GLenum type,
+                                  GLsizei stride,
+                                  const void *pointer)
+{
+    return true;
+}
+
+bool ValidateViewportArrayv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint first,
+                            GLsizei count,
+                            const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateViewportIndexedf(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLfloat x,
+                              GLfloat y,
+                              GLfloat w,
+                              GLfloat h)
+{
+    return true;
+}
+
+bool ValidateViewportIndexedfv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateDrawArraysInstancedBaseInstance(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             PrimitiveMode mode,
+                                             GLint first,
+                                             GLsizei count,
+                                             GLsizei instancecount,
+                                             GLuint baseinstance)
+{
+    return true;
+}
+
+bool ValidateDrawElementsInstancedBaseInstance(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               PrimitiveMode mode,
+                                               GLsizei count,
+                                               DrawElementsType type,
+                                               const void *indices,
+                                               GLsizei instancecount,
+                                               GLuint baseinstance)
+{
+    return true;
+}
+
+bool ValidateDrawElementsInstancedBaseVertexBaseInstance(const Context *context,
+                                                         angle::EntryPoint entryPoint,
+                                                         PrimitiveMode mode,
+                                                         GLsizei count,
+                                                         DrawElementsType type,
+                                                         const void *indices,
+                                                         GLsizei instancecount,
+                                                         GLint basevertex,
+                                                         GLuint baseinstance)
+{
+    return true;
+}
+
+bool ValidateDrawTransformFeedbackInstanced(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum mode,
+                                            TransformFeedbackID id,
+                                            GLsizei instancecount)
+{
+    return true;
+}
+
+bool ValidateDrawTransformFeedbackStreamInstanced(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum mode,
+                                                  TransformFeedbackID id,
+                                                  GLuint stream,
+                                                  GLsizei instancecount)
+{
+    return true;
+}
+
+bool ValidateGetActiveAtomicCounterBufferiv(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID program,
+                                            GLuint bufferIndex,
+                                            GLenum pname,
+                                            const GLint *params)
+{
+    return true;
+}
+
+bool ValidateTexStorage1D(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum target,
+                          GLsizei levels,
+                          GLenum internalformat,
+                          GLsizei width)
+{
+    return true;
+}
+
+bool ValidateClearBufferData(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLenum internalformat,
+                             GLenum format,
+                             GLenum type,
+                             const void *data)
+{
+    return true;
+}
+
+bool ValidateClearBufferSubData(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum target,
+                                GLenum internalformat,
+                                GLintptr offset,
+                                GLsizeiptr size,
+                                GLenum format,
+                                GLenum type,
+                                const void *data)
+{
+    return true;
+}
+
+bool ValidateGetInternalformati64v(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum internalformat,
+                                   GLenum pname,
+                                   GLsizei bufSize,
+                                   const GLint64 *params)
+{
+    return true;
+}
+
+bool ValidateGetProgramResourceLocationIndex(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             ShaderProgramID program,
+                                             GLenum programInterface,
+                                             const GLchar *name)
+{
+    return true;
+}
+
+bool ValidateInvalidateBufferData(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferID buffer)
+{
+    return true;
+}
+
+bool ValidateInvalidateBufferSubData(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     BufferID buffer,
+                                     GLintptr offset,
+                                     GLsizeiptr length)
+{
+    return true;
+}
+
+bool ValidateInvalidateTexImage(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texture,
+                                GLint level)
+{
+    return true;
+}
+
+bool ValidateInvalidateTexSubImage(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texture,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint zoffset,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth)
+{
+    return true;
+}
+
+bool ValidateMultiDrawArraysIndirect(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     PrimitiveMode modePacked,
+                                     const void *indirect,
+                                     GLsizei drawcount,
+                                     GLsizei stride)
+{
+    return true;
+}
+
+bool ValidateMultiDrawElementsIndirect(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode modePacked,
+                                       DrawElementsType typePacked,
+                                       const void *indirect,
+                                       GLsizei drawcount,
+                                       GLsizei stride)
+{
+    return true;
+}
+
+bool ValidateShaderStorageBlockBinding(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID program,
+                                       GLuint storageBlockIndex,
+                                       GLuint storageBlockBinding)
+{
+    return true;
+}
+
+bool ValidateTextureView(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureID texture,
+                         GLenum target,
+                         GLuint origtexture,
+                         GLenum internalformat,
+                         GLuint minlevel,
+                         GLuint numlevels,
+                         GLuint minlayer,
+                         GLuint numlayers)
+{
+    return true;
+}
+
+bool ValidateVertexAttribLFormat(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint attribindex,
+                                 GLint size,
+                                 GLenum type,
+                                 GLuint relativeoffset)
+{
+    return true;
+}
+
+bool ValidateBindBuffersBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLuint first,
+                             GLsizei count,
+                             const BufferID *buffers)
+{
+    return true;
+}
+
+bool ValidateBindBuffersRange(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              GLuint first,
+                              GLsizei count,
+                              const BufferID *buffers,
+                              const GLintptr *offsets,
+                              const GLsizeiptr *sizes)
+{
+    return true;
+}
+
+bool ValidateBindImageTextures(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint first,
+                               GLsizei count,
+                               const GLuint *textures)
+{
+    return true;
+}
+
+bool ValidateBindSamplers(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLuint first,
+                          GLsizei count,
+                          const GLuint *samplers)
+{
+    return true;
+}
+
+bool ValidateBindTextures(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLuint first,
+                          GLsizei count,
+                          const GLuint *textures)
+{
+    return true;
+}
+
+bool ValidateBindVertexBuffers(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint first,
+                               GLsizei count,
+                               const BufferID *buffers,
+                               const GLintptr *offsets,
+                               const GLsizei *strides)
+{
+    return true;
+}
+
+bool ValidateBufferStorage(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           BufferBinding targetPacked,
+                           GLsizeiptr size,
+                           const void *data,
+                           GLbitfield flags)
+{
+    return true;
+}
+
+bool ValidateClearTexImage(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureID texture,
+                           GLint level,
+                           GLenum format,
+                           GLenum type,
+                           const void *data)
+{
+    return true;
+}
+
+bool ValidateClearTexSubImage(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texture,
+                              GLint level,
+                              GLint xoffset,
+                              GLint yoffset,
+                              GLint zoffset,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              GLenum format,
+                              GLenum type,
+                              const void *data)
+{
+    return true;
+}
+
+bool ValidateBindTextureUnit(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint unit,
+                             TextureID texture)
+{
+    return true;
+}
+
+bool ValidateBlitNamedFramebuffer(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint readFramebuffer,
+                                  GLuint drawFramebuffer,
+                                  GLint srcX0,
+                                  GLint srcY0,
+                                  GLint srcX1,
+                                  GLint srcY1,
+                                  GLint dstX0,
+                                  GLint dstY0,
+                                  GLint dstX1,
+                                  GLint dstY1,
+                                  GLbitfield mask,
+                                  GLenum filter)
+{
+    return true;
+}
+
+bool ValidateCheckNamedFramebufferStatus(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         FramebufferID framebuffer,
+                                         GLenum target)
+{
+    return true;
+}
+
+bool ValidateClearNamedBufferData(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferID buffer,
+                                  GLenum internalformat,
+                                  GLenum format,
+                                  GLenum type,
+                                  const void *data)
+{
+    return true;
+}
+
+bool ValidateClearNamedBufferSubData(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     BufferID buffer,
+                                     GLenum internalformat,
+                                     GLintptr offset,
+                                     GLsizeiptr size,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *data)
+{
+    return true;
+}
+
+bool ValidateClearNamedFramebufferfi(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebuffer,
+                                     GLenum buffer,
+                                     GLint drawbuffer,
+                                     GLfloat depth,
+                                     GLint stencil)
+{
+    return true;
+}
+
+bool ValidateClearNamedFramebufferfv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebuffer,
+                                     GLenum buffer,
+                                     GLint drawbuffer,
+                                     const GLfloat *value)
+{
+    return true;
+}
+
+bool ValidateClearNamedFramebufferiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebuffer,
+                                     GLenum buffer,
+                                     GLint drawbuffer,
+                                     const GLint *value)
+{
+    return true;
+}
+
+bool ValidateClearNamedFramebufferuiv(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      FramebufferID framebuffer,
+                                      GLenum buffer,
+                                      GLint drawbuffer,
+                                      const GLuint *value)
+{
+    return true;
+}
+
+bool ValidateClipControl(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum origin,
+                         GLenum depth)
+{
+    return true;
+}
+
+bool ValidateCompressedTextureSubImage1D(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texture,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLsizei width,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data)
+{
+    return true;
+}
+
+bool ValidateCompressedTextureSubImage2D(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texture,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data)
+{
+    return true;
+}
+
+bool ValidateCompressedTextureSubImage3D(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texture,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLint zoffset,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data)
+{
+    return true;
+}
+
+bool ValidateCopyNamedBufferSubData(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint readBuffer,
+                                    GLuint writeBuffer,
+                                    GLintptr readOffset,
+                                    GLintptr writeOffset,
+                                    GLsizeiptr size)
+{
+    return true;
+}
+
+bool ValidateCopyTextureSubImage1D(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texture,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width)
+{
+    return true;
+}
+
+bool ValidateCopyTextureSubImage2D(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texture,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height)
+{
+    return true;
+}
+
+bool ValidateCopyTextureSubImage3D(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texture,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint zoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height)
+{
+    return true;
+}
+
+bool ValidateCreateBuffers(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const BufferID *buffers)
+{
+    return true;
+}
+
+bool ValidateCreateFramebuffers(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const GLuint *framebuffers)
+{
+    return true;
+}
+
+bool ValidateCreateProgramPipelines(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const GLuint *pipelines)
+{
+    return true;
+}
+
+bool ValidateCreateQueries(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLsizei n,
+                           const GLuint *ids)
+{
+    return true;
+}
+
+bool ValidateCreateRenderbuffers(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const RenderbufferID *renderbuffers)
+{
+    return true;
+}
+
+bool ValidateCreateSamplers(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei n,
+                            const GLuint *samplers)
+{
+    return true;
+}
+
+bool ValidateCreateTextures(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum target,
+                            GLsizei n,
+                            const GLuint *textures)
+{
+    return true;
+}
+
+bool ValidateCreateTransformFeedbacks(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLsizei n,
+                                      const GLuint *ids)
+{
+    return true;
+}
+
+bool ValidateCreateVertexArrays(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const VertexArrayID *arrays)
+{
+    return true;
+}
+
+bool ValidateDisableVertexArrayAttrib(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobj,
+                                      GLuint index)
+{
+    return true;
+}
+
+bool ValidateEnableVertexArrayAttrib(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobj,
+                                     GLuint index)
+{
+    return true;
+}
+
+bool ValidateFlushMappedNamedBufferRange(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         BufferID buffer,
+                                         GLintptr offset,
+                                         GLsizeiptr length)
+{
+    return true;
+}
+
+bool ValidateGenerateTextureMipmap(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texture)
+{
+    return true;
+}
+
+bool ValidateGetCompressedTextureImage(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureID texture,
+                                       GLint level,
+                                       GLsizei bufSize,
+                                       const void *pixels)
+{
+    return true;
+}
+
+bool ValidateGetCompressedTextureSubImage(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureID texture,
+                                          GLint level,
+                                          GLint xoffset,
+                                          GLint yoffset,
+                                          GLint zoffset,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei depth,
+                                          GLsizei bufSize,
+                                          const void *pixels)
+{
+    return true;
+}
+
+bool ValidateGetNamedBufferParameteri64v(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         BufferID buffer,
+                                         GLenum pname,
+                                         const GLint64 *params)
+{
+    return true;
+}
+
+bool ValidateGetNamedBufferParameteriv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       BufferID buffer,
+                                       GLenum pname,
+                                       const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetNamedBufferPointerv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferID buffer,
+                                    GLenum pname,
+                                    void *const *params)
+{
+    return true;
+}
+
+bool ValidateGetNamedBufferSubData(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   BufferID buffer,
+                                   GLintptr offset,
+                                   GLsizeiptr size,
+                                   const void *data)
+{
+    return true;
+}
+
+bool ValidateGetNamedFramebufferAttachmentParameteriv(const Context *context,
+                                                      angle::EntryPoint entryPoint,
+                                                      FramebufferID framebuffer,
+                                                      GLenum attachment,
+                                                      GLenum pname,
+                                                      const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetNamedFramebufferParameteriv(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            FramebufferID framebuffer,
+                                            GLenum pname,
+                                            const GLint *param)
+{
+    return true;
+}
+
+bool ValidateGetNamedRenderbufferParameteriv(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             RenderbufferID renderbuffer,
+                                             GLenum pname,
+                                             const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetQueryBufferObjecti64v(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLuint id,
+                                      BufferID buffer,
+                                      GLenum pname,
+                                      GLintptr offset)
+{
+    return true;
+}
+
+bool ValidateGetQueryBufferObjectiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint id,
+                                    BufferID buffer,
+                                    GLenum pname,
+                                    GLintptr offset)
+{
+    return true;
+}
+
+bool ValidateGetQueryBufferObjectui64v(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint id,
+                                       BufferID buffer,
+                                       GLenum pname,
+                                       GLintptr offset)
+{
+    return true;
+}
+
+bool ValidateGetQueryBufferObjectuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint id,
+                                     BufferID buffer,
+                                     GLenum pname,
+                                     GLintptr offset)
+{
+    return true;
+}
+
+bool ValidateGetTextureImage(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureID texture,
+                             GLint level,
+                             GLenum format,
+                             GLenum type,
+                             GLsizei bufSize,
+                             const void *pixels)
+{
+    return true;
+}
+
+bool ValidateGetTextureLevelParameterfv(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureID texture,
+                                        GLint level,
+                                        GLenum pname,
+                                        const GLfloat *params)
+{
+    return true;
+}
+
+bool ValidateGetTextureLevelParameteriv(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureID texture,
+                                        GLint level,
+                                        GLenum pname,
+                                        const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetTextureParameterIiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureID texture,
+                                    GLenum pname,
+                                    const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetTextureParameterIuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureID texture,
+                                     GLenum pname,
+                                     const GLuint *params)
+{
+    return true;
+}
+
+bool ValidateGetTextureParameterfv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texture,
+                                   GLenum pname,
+                                   const GLfloat *params)
+{
+    return true;
+}
+
+bool ValidateGetTextureParameteriv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texture,
+                                   GLenum pname,
+                                   const GLint *params)
+{
+    return true;
+}
+
+bool ValidateGetTextureSubImage(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texture,
+                                GLint level,
+                                GLint xoffset,
+                                GLint yoffset,
+                                GLint zoffset,
+                                GLsizei width,
+                                GLsizei height,
+                                GLsizei depth,
+                                GLenum format,
+                                GLenum type,
+                                GLsizei bufSize,
+                                const void *pixels)
+{
+    return true;
+}
+
+bool ValidateGetTransformFeedbacki64_v(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint xfb,
+                                       GLenum pname,
+                                       GLuint index,
+                                       const GLint64 *param)
+{
+    return true;
+}
+
+bool ValidateGetTransformFeedbacki_v(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint xfb,
+                                     GLenum pname,
+                                     GLuint index,
+                                     const GLint *param)
+{
+    return true;
+}
+
+bool ValidateGetTransformFeedbackiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint xfb,
+                                    GLenum pname,
+                                    const GLint *param)
+{
+    return true;
+}
+
+bool ValidateGetVertexArrayIndexed64iv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       VertexArrayID vaobj,
+                                       GLuint index,
+                                       GLenum pname,
+                                       const GLint64 *param)
+{
+    return true;
+}
+
+bool ValidateGetVertexArrayIndexediv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobj,
+                                     GLuint index,
+                                     GLenum pname,
+                                     const GLint *param)
+{
+    return true;
+}
+
+bool ValidateGetVertexArrayiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              VertexArrayID vaobj,
+                              GLenum pname,
+                              const GLint *param)
+{
+    return true;
+}
+
+bool ValidateGetnColorTable(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum target,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            const void *table)
+{
+    return true;
+}
+
+bool ValidateGetnCompressedTexImage(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLint lod,
+                                    GLsizei bufSize,
+                                    const void *pixels)
+{
+    return true;
+}
+
+bool ValidateGetnConvolutionFilter(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const void *image)
+{
+    return true;
+}
+
+bool ValidateGetnHistogram(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLboolean reset,
+                           GLenum format,
+                           GLenum type,
+                           GLsizei bufSize,
+                           const void *values)
+{
+    return true;
+}
+
+bool ValidateGetnMapdv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum target,
+                       GLenum query,
+                       GLsizei bufSize,
+                       const GLdouble *v)
+{
+    return true;
+}
+
+bool ValidateGetnMapfv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum target,
+                       GLenum query,
+                       GLsizei bufSize,
+                       const GLfloat *v)
+{
+    return true;
+}
+
+bool ValidateGetnMapiv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum target,
+                       GLenum query,
+                       GLsizei bufSize,
+                       const GLint *v)
+{
+    return true;
+}
+
+bool ValidateGetnMinmax(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLboolean reset,
+                        GLenum format,
+                        GLenum type,
+                        GLsizei bufSize,
+                        const void *values)
+{
+    return true;
+}
+
+bool ValidateGetnPixelMapfv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum map,
+                            GLsizei bufSize,
+                            const GLfloat *values)
+{
+    return true;
+}
+
+bool ValidateGetnPixelMapuiv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum map,
+                             GLsizei bufSize,
+                             const GLuint *values)
+{
+    return true;
+}
+
+bool ValidateGetnPixelMapusv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum map,
+                             GLsizei bufSize,
+                             const GLushort *values)
+{
+    return true;
+}
+
+bool ValidateGetnPolygonStipple(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei bufSize,
+                                const GLubyte *pattern)
+{
+    return true;
+}
+
+bool ValidateGetnSeparableFilter(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 GLenum format,
+                                 GLenum type,
+                                 GLsizei rowBufSize,
+                                 const void *row,
+                                 GLsizei columnBufSize,
+                                 const void *column,
+                                 const void *span)
+{
+    return true;
+}
+
+bool ValidateGetnTexImage(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum target,
+                          GLint level,
+                          GLenum format,
+                          GLenum type,
+                          GLsizei bufSize,
+                          const void *pixels)
+{
+    return true;
+}
+
+bool ValidateGetnUniformdv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID program,
+                           UniformLocation location,
+                           GLsizei bufSize,
+                           const GLdouble *params)
+{
+    return true;
+}
+
+bool ValidateInvalidateNamedFramebufferData(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            FramebufferID framebuffer,
+                                            GLsizei numAttachments,
+                                            const GLenum *attachments)
+{
+    return true;
+}
+
+bool ValidateInvalidateNamedFramebufferSubData(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               FramebufferID framebuffer,
+                                               GLsizei numAttachments,
+                                               const GLenum *attachments,
+                                               GLint x,
+                                               GLint y,
+                                               GLsizei width,
+                                               GLsizei height)
+{
+    return true;
+}
+
+bool ValidateMapNamedBuffer(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferID buffer,
+                            GLenum access)
+{
+    return true;
+}
+
+bool ValidateMapNamedBufferRange(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 BufferID buffer,
+                                 GLintptr offset,
+                                 GLsizeiptr length,
+                                 GLbitfield access)
+{
+    return true;
+}
+
+bool ValidateNamedBufferData(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             BufferID buffer,
+                             GLsizeiptr size,
+                             const void *data,
+                             GLenum usage)
+{
+    return true;
+}
+
+bool ValidateNamedBufferStorage(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                BufferID buffer,
+                                GLsizeiptr size,
+                                const void *data,
+                                GLbitfield flags)
+{
+    return true;
+}
+
+bool ValidateNamedBufferSubData(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                BufferID buffer,
+                                GLintptr offset,
+                                GLsizeiptr size,
+                                const void *data)
+{
+    return true;
+}
+
+bool ValidateNamedFramebufferDrawBuffer(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        FramebufferID framebuffer,
+                                        GLenum buf)
+{
+    return true;
+}
+
+bool ValidateNamedFramebufferDrawBuffers(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         FramebufferID framebuffer,
+                                         GLsizei n,
+                                         const GLenum *bufs)
+{
+    return true;
+}
+
+bool ValidateNamedFramebufferParameteri(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        FramebufferID framebuffer,
+                                        GLenum pname,
+                                        GLint param)
+{
+    return true;
+}
+
+bool ValidateNamedFramebufferReadBuffer(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        FramebufferID framebuffer,
+                                        GLenum src)
+{
+    return true;
+}
+
+bool ValidateNamedFramebufferRenderbuffer(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          FramebufferID framebuffer,
+                                          GLenum attachment,
+                                          GLenum renderbuffertarget,
+                                          RenderbufferID renderbuffer)
+{
+    return true;
+}
+
+bool ValidateNamedFramebufferTexture(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebuffer,
+                                     GLenum attachment,
+                                     TextureID texture,
+                                     GLint level)
+{
+    return true;
+}
+
+bool ValidateNamedFramebufferTextureLayer(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          FramebufferID framebuffer,
+                                          GLenum attachment,
+                                          TextureID texture,
+                                          GLint level,
+                                          GLint layer)
+{
+    return true;
+}
+
+bool ValidateNamedRenderbufferStorage(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      RenderbufferID renderbuffer,
+                                      GLenum internalformat,
+                                      GLsizei width,
+                                      GLsizei height)
+{
+    return true;
+}
+
+bool ValidateNamedRenderbufferStorageMultisample(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 RenderbufferID renderbuffer,
+                                                 GLsizei samples,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height)
+{
+    return true;
+}
+
+bool ValidateTextureBarrier(const Context *context, angle::EntryPoint entryPoint)
+{
+    return true;
+}
+
+bool ValidateTextureBuffer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureID texture,
+                           GLenum internalformat,
+                           BufferID buffer)
+{
+    return true;
+}
+
+bool ValidateTextureBufferRange(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texture,
+                                GLenum internalformat,
+                                BufferID buffer,
+                                GLintptr offset,
+                                GLsizeiptr size)
+{
+    return true;
+}
+
+bool ValidateTextureParameterIiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureID texture,
+                                 GLenum pname,
+                                 const GLint *params)
+{
+    return true;
+}
+
+bool ValidateTextureParameterIuiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureID texture,
+                                  GLenum pname,
+                                  const GLuint *params)
+{
+    return true;
+}
+
+bool ValidateTextureParameterf(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texture,
+                               GLenum pname,
+                               GLfloat param)
+{
+    return true;
+}
+
+bool ValidateTextureParameterfv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texture,
+                                GLenum pname,
+                                const GLfloat *param)
+{
+    return true;
+}
+
+bool ValidateTextureParameteri(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texture,
+                               GLenum pname,
+                               GLint param)
+{
+    return true;
+}
+
+bool ValidateTextureParameteriv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texture,
+                                GLenum pname,
+                                const GLint *param)
+{
+    return true;
+}
+
+bool ValidateTextureStorage1D(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texture,
+                              GLsizei levels,
+                              GLenum internalformat,
+                              GLsizei width)
+{
+    return true;
+}
+
+bool ValidateTextureStorage2D(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texture,
+                              GLsizei levels,
+                              GLenum internalformat,
+                              GLsizei width,
+                              GLsizei height)
+{
+    return true;
+}
+
+bool ValidateTextureStorage2DMultisample(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texture,
+                                         GLsizei samples,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLboolean fixedsamplelocations)
+{
+    return true;
+}
+
+bool ValidateTextureStorage3D(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texture,
+                              GLsizei levels,
+                              GLenum internalformat,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth)
+{
+    return true;
+}
+
+bool ValidateTextureStorage3DMultisample(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texture,
+                                         GLsizei samples,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLboolean fixedsamplelocations)
+{
+    return true;
+}
+
+bool ValidateTextureSubImage1D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texture,
+                               GLint level,
+                               GLint xoffset,
+                               GLsizei width,
+                               GLenum format,
+                               GLenum type,
+                               const void *pixels)
+{
+    return true;
+}
+
+bool ValidateTextureSubImage2D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texture,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLsizei width,
+                               GLsizei height,
+                               GLenum format,
+                               GLenum type,
+                               const void *pixels)
+{
+    return true;
+}
+
+bool ValidateTextureSubImage3D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texture,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint zoffset,
+                               GLsizei width,
+                               GLsizei height,
+                               GLsizei depth,
+                               GLenum format,
+                               GLenum type,
+                               const void *pixels)
+{
+    return true;
+}
+
+bool ValidateTransformFeedbackBufferBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLuint xfb,
+                                         GLuint index,
+                                         BufferID buffer)
+{
+    return true;
+}
+
+bool ValidateTransformFeedbackBufferRange(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint xfb,
+                                          GLuint index,
+                                          BufferID buffer,
+                                          GLintptr offset,
+                                          GLsizeiptr size)
+{
+    return true;
+}
+
+bool ValidateUnmapNamedBuffer(const Context *context, angle::EntryPoint entryPoint, BufferID buffer)
+{
+    return true;
+}
+
+bool ValidateVertexArrayAttribBinding(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobj,
+                                      GLuint attribindex,
+                                      GLuint bindingindex)
+{
+    return true;
+}
+
+bool ValidateVertexArrayAttribFormat(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobj,
+                                     GLuint attribindex,
+                                     GLint size,
+                                     GLenum type,
+                                     GLboolean normalized,
+                                     GLuint relativeoffset)
+{
+    return true;
+}
+
+bool ValidateVertexArrayAttribIFormat(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobj,
+                                      GLuint attribindex,
+                                      GLint size,
+                                      GLenum type,
+                                      GLuint relativeoffset)
+{
+    return true;
+}
+
+bool ValidateVertexArrayAttribLFormat(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobj,
+                                      GLuint attribindex,
+                                      GLint size,
+                                      GLenum type,
+                                      GLuint relativeoffset)
+{
+    return true;
+}
+
+bool ValidateVertexArrayBindingDivisor(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       VertexArrayID vaobj,
+                                       GLuint bindingindex,
+                                       GLuint divisor)
+{
+    return true;
+}
+
+bool ValidateVertexArrayElementBuffer(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobj,
+                                      BufferID buffer)
+{
+    return true;
+}
+
+bool ValidateVertexArrayVertexBuffer(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobj,
+                                     GLuint bindingindex,
+                                     BufferID buffer,
+                                     GLintptr offset,
+                                     GLsizei stride)
+{
+    return true;
+}
+
+bool ValidateVertexArrayVertexBuffers(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobj,
+                                      GLuint first,
+                                      GLsizei count,
+                                      const BufferID *buffers,
+                                      const GLintptr *offsets,
+                                      const GLsizei *strides)
+{
+    return true;
+}
+
+bool ValidateMultiDrawArraysIndirectCount(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLenum mode,
+                                          const void *indirect,
+                                          GLintptr drawcount,
+                                          GLsizei maxdrawcount,
+                                          GLsizei stride)
+{
+    return true;
+}
+
+bool ValidateMultiDrawElementsIndirectCount(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum mode,
+                                            GLenum type,
+                                            const void *indirect,
+                                            GLintptr drawcount,
+                                            GLsizei maxdrawcount,
+                                            GLsizei stride)
+{
+    return true;
+}
+
+bool ValidatePolygonOffsetClamp(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLfloat factor,
+                                GLfloat units,
+                                GLfloat clamp)
+{
+    return true;
+}
+
+bool ValidateSpecializeShader(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint shader,
+                              const GLchar *pEntryPoint,
+                              GLuint numSpecializationConstants,
+                              const GLuint *pConstantIndex,
+                              const GLuint *pConstantValue)
+{
+    return true;
+}
+
+}  // namespace gl
diff --git a/gfx/angle/checkout/src/libANGLE/validationGL4_autogen.h b/gfx/angle/checkout/src/libANGLE/validationGL4_autogen.h
new file mode 100644
index 0000000000..a69a1f2092
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/validationGL4_autogen.h
@@ -0,0 +1,1375 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by generate_entry_points.py using data from gl.xml.
+//
+// Copyright 2020 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// validationGL4_autogen.h:
+//   Validation functions for the OpenGL Desktop GL 4.x entry points.
+
+#ifndef LIBANGLE_VALIDATION_GL4_AUTOGEN_H_
+#define LIBANGLE_VALIDATION_GL4_AUTOGEN_H_
+
+#include "common/PackedEnums.h"
+#include "common/entry_points_enum_autogen.h"
+
+namespace gl
+{
+class Context;
+
+// GL 4.0
+bool ValidateBeginQueryIndexed(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum target,
+                               GLuint index,
+                               QueryID idPacked);
+bool ValidateDrawTransformFeedback(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum mode,
+                                   TransformFeedbackID idPacked);
+bool ValidateDrawTransformFeedbackStream(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLenum mode,
+                                         TransformFeedbackID idPacked,
+                                         GLuint stream);
+bool ValidateEndQueryIndexed(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLuint index);
+bool ValidateGetActiveSubroutineName(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     GLenum shadertype,
+                                     GLuint index,
+                                     GLsizei bufSize,
+                                     const GLsizei *length,
+                                     const GLchar *name);
+bool ValidateGetActiveSubroutineUniformName(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID programPacked,
+                                            GLenum shadertype,
+                                            GLuint index,
+                                            GLsizei bufSize,
+                                            const GLsizei *length,
+                                            const GLchar *name);
+bool ValidateGetActiveSubroutineUniformiv(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          GLenum shadertype,
+                                          GLuint index,
+                                          GLenum pname,
+                                          const GLint *values);
+bool ValidateGetProgramStageiv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               GLenum shadertype,
+                               GLenum pname,
+                               const GLint *values);
+bool ValidateGetQueryIndexediv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLenum target,
+                               GLuint index,
+                               GLenum pname,
+                               const GLint *params);
+bool ValidateGetSubroutineIndex(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                ShaderProgramID programPacked,
+                                GLenum shadertype,
+                                const GLchar *name);
+bool ValidateGetSubroutineUniformLocation(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          ShaderProgramID programPacked,
+                                          GLenum shadertype,
+                                          const GLchar *name);
+bool ValidateGetUniformSubroutineuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLenum shadertype,
+                                     GLint location,
+                                     const GLuint *params);
+bool ValidateGetUniformdv(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          ShaderProgramID programPacked,
+                          UniformLocation locationPacked,
+                          const GLdouble *params);
+bool ValidatePatchParameterfv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum pname,
+                              const GLfloat *values);
+bool ValidateUniform1d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLdouble x);
+bool ValidateUniform1dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLdouble *value);
+bool ValidateUniform2d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLdouble x,
+                       GLdouble y);
+bool ValidateUniform2dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLdouble *value);
+bool ValidateUniform3d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLdouble x,
+                       GLdouble y,
+                       GLdouble z);
+bool ValidateUniform3dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLdouble *value);
+bool ValidateUniform4d(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       UniformLocation locationPacked,
+                       GLdouble x,
+                       GLdouble y,
+                       GLdouble z,
+                       GLdouble w);
+bool ValidateUniform4dv(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        UniformLocation locationPacked,
+                        GLsizei count,
+                        const GLdouble *value);
+bool ValidateUniformMatrix2dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLdouble *value);
+bool ValidateUniformMatrix2x3dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value);
+bool ValidateUniformMatrix2x4dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value);
+bool ValidateUniformMatrix3dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLdouble *value);
+bool ValidateUniformMatrix3x2dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value);
+bool ValidateUniformMatrix3x4dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value);
+bool ValidateUniformMatrix4dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              UniformLocation locationPacked,
+                              GLsizei count,
+                              GLboolean transpose,
+                              const GLdouble *value);
+bool ValidateUniformMatrix4x2dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value);
+bool ValidateUniformMatrix4x3dv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                UniformLocation locationPacked,
+                                GLsizei count,
+                                GLboolean transpose,
+                                const GLdouble *value);
+bool ValidateUniformSubroutinesuiv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum shadertype,
+                                   GLsizei count,
+                                   const GLuint *indices);
+
+// GL 4.1
+bool ValidateDepthRangeArrayv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint first,
+                              GLsizei count,
+                              const GLdouble *v);
+bool ValidateDepthRangeIndexed(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               GLdouble n,
+                               GLdouble f);
+bool ValidateGetDoublei_v(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum target,
+                          GLuint index,
+                          const GLdouble *data);
+bool ValidateGetFloati_v(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum target,
+                         GLuint index,
+                         const GLfloat *data);
+bool ValidateGetVertexAttribLdv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLuint index,
+                                GLenum pname,
+                                const GLdouble *params);
+bool ValidateProgramUniform1d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLdouble v0);
+bool ValidateProgramUniform1dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLdouble *value);
+bool ValidateProgramUniform2d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLdouble v0,
+                              GLdouble v1);
+bool ValidateProgramUniform2dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLdouble *value);
+bool ValidateProgramUniform3d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLdouble v0,
+                              GLdouble v1,
+                              GLdouble v2);
+bool ValidateProgramUniform3dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLdouble *value);
+bool ValidateProgramUniform4d(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              ShaderProgramID programPacked,
+                              UniformLocation locationPacked,
+                              GLdouble v0,
+                              GLdouble v1,
+                              GLdouble v2,
+                              GLdouble v3);
+bool ValidateProgramUniform4dv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               ShaderProgramID programPacked,
+                               UniformLocation locationPacked,
+                               GLsizei count,
+                               const GLdouble *value);
+bool ValidateProgramUniformMatrix2dv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value);
+bool ValidateProgramUniformMatrix2x3dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value);
+bool ValidateProgramUniformMatrix2x4dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value);
+bool ValidateProgramUniformMatrix3dv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value);
+bool ValidateProgramUniformMatrix3x2dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value);
+bool ValidateProgramUniformMatrix3x4dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value);
+bool ValidateProgramUniformMatrix4dv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     ShaderProgramID programPacked,
+                                     UniformLocation locationPacked,
+                                     GLsizei count,
+                                     GLboolean transpose,
+                                     const GLdouble *value);
+bool ValidateProgramUniformMatrix4x2dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value);
+bool ValidateProgramUniformMatrix4x3dv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       UniformLocation locationPacked,
+                                       GLsizei count,
+                                       GLboolean transpose,
+                                       const GLdouble *value);
+bool ValidateScissorArrayv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLuint first,
+                           GLsizei count,
+                           const GLint *v);
+bool ValidateScissorIndexed(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint index,
+                            GLint left,
+                            GLint bottom,
+                            GLsizei width,
+                            GLsizei height);
+bool ValidateScissorIndexedv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             const GLint *v);
+bool ValidateVertexAttribL1d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x);
+bool ValidateVertexAttribL1dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v);
+bool ValidateVertexAttribL2d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x,
+                             GLdouble y);
+bool ValidateVertexAttribL2dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v);
+bool ValidateVertexAttribL3d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x,
+                             GLdouble y,
+                             GLdouble z);
+bool ValidateVertexAttribL3dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v);
+bool ValidateVertexAttribL4d(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint index,
+                             GLdouble x,
+                             GLdouble y,
+                             GLdouble z,
+                             GLdouble w);
+bool ValidateVertexAttribL4dv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              const GLdouble *v);
+bool ValidateVertexAttribLPointer(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint index,
+                                  GLint size,
+                                  GLenum type,
+                                  GLsizei stride,
+                                  const void *pointer);
+bool ValidateViewportArrayv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLuint first,
+                            GLsizei count,
+                            const GLfloat *v);
+bool ValidateViewportIndexedf(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint index,
+                              GLfloat x,
+                              GLfloat y,
+                              GLfloat w,
+                              GLfloat h);
+bool ValidateViewportIndexedfv(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint index,
+                               const GLfloat *v);
+
+// GL 4.2
+bool ValidateDrawArraysInstancedBaseInstance(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             PrimitiveMode modePacked,
+                                             GLint first,
+                                             GLsizei count,
+                                             GLsizei instancecount,
+                                             GLuint baseinstance);
+bool ValidateDrawElementsInstancedBaseInstance(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               PrimitiveMode modePacked,
+                                               GLsizei count,
+                                               DrawElementsType typePacked,
+                                               const void *indices,
+                                               GLsizei instancecount,
+                                               GLuint baseinstance);
+bool ValidateDrawElementsInstancedBaseVertexBaseInstance(const Context *context,
+                                                         angle::EntryPoint entryPoint,
+                                                         PrimitiveMode modePacked,
+                                                         GLsizei count,
+                                                         DrawElementsType typePacked,
+                                                         const void *indices,
+                                                         GLsizei instancecount,
+                                                         GLint basevertex,
+                                                         GLuint baseinstance);
+bool ValidateDrawTransformFeedbackInstanced(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum mode,
+                                            TransformFeedbackID idPacked,
+                                            GLsizei instancecount);
+bool ValidateDrawTransformFeedbackStreamInstanced(const Context *context,
+                                                  angle::EntryPoint entryPoint,
+                                                  GLenum mode,
+                                                  TransformFeedbackID idPacked,
+                                                  GLuint stream,
+                                                  GLsizei instancecount);
+bool ValidateGetActiveAtomicCounterBufferiv(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            ShaderProgramID programPacked,
+                                            GLuint bufferIndex,
+                                            GLenum pname,
+                                            const GLint *params);
+bool ValidateTexStorage1D(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum target,
+                          GLsizei levels,
+                          GLenum internalformat,
+                          GLsizei width);
+
+// GL 4.3
+bool ValidateClearBufferData(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLenum internalformat,
+                             GLenum format,
+                             GLenum type,
+                             const void *data);
+bool ValidateClearBufferSubData(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLenum target,
+                                GLenum internalformat,
+                                GLintptr offset,
+                                GLsizeiptr size,
+                                GLenum format,
+                                GLenum type,
+                                const void *data);
+bool ValidateGetInternalformati64v(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum internalformat,
+                                   GLenum pname,
+                                   GLsizei count,
+                                   const GLint64 *params);
+bool ValidateGetProgramResourceLocationIndex(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             ShaderProgramID programPacked,
+                                             GLenum programInterface,
+                                             const GLchar *name);
+bool ValidateInvalidateBufferData(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferID bufferPacked);
+bool ValidateInvalidateBufferSubData(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     BufferID bufferPacked,
+                                     GLintptr offset,
+                                     GLsizeiptr length);
+bool ValidateInvalidateTexImage(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texturePacked,
+                                GLint level);
+bool ValidateInvalidateTexSubImage(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texturePacked,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint zoffset,
+                                   GLsizei width,
+                                   GLsizei height,
+                                   GLsizei depth);
+bool ValidateMultiDrawArraysIndirect(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     PrimitiveMode modePacked,
+                                     const void *indirect,
+                                     GLsizei drawcount,
+                                     GLsizei stride);
+bool ValidateMultiDrawElementsIndirect(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       PrimitiveMode modePacked,
+                                       DrawElementsType typePacked,
+                                       const void *indirect,
+                                       GLsizei drawcount,
+                                       GLsizei stride);
+bool ValidateShaderStorageBlockBinding(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       ShaderProgramID programPacked,
+                                       GLuint storageBlockIndex,
+                                       GLuint storageBlockBinding);
+bool ValidateTextureView(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         TextureID texturePacked,
+                         GLenum target,
+                         GLuint origtexture,
+                         GLenum internalformat,
+                         GLuint minlevel,
+                         GLuint numlevels,
+                         GLuint minlayer,
+                         GLuint numlayers);
+bool ValidateVertexAttribLFormat(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLuint attribindex,
+                                 GLint size,
+                                 GLenum type,
+                                 GLuint relativeoffset);
+
+// GL 4.4
+bool ValidateBindBuffersBase(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum target,
+                             GLuint first,
+                             GLsizei count,
+                             const BufferID *buffersPacked);
+bool ValidateBindBuffersRange(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLenum target,
+                              GLuint first,
+                              GLsizei count,
+                              const BufferID *buffersPacked,
+                              const GLintptr *offsets,
+                              const GLsizeiptr *sizes);
+bool ValidateBindImageTextures(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint first,
+                               GLsizei count,
+                               const GLuint *textures);
+bool ValidateBindSamplers(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLuint first,
+                          GLsizei count,
+                          const GLuint *samplers);
+bool ValidateBindTextures(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLuint first,
+                          GLsizei count,
+                          const GLuint *textures);
+bool ValidateBindVertexBuffers(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               GLuint first,
+                               GLsizei count,
+                               const BufferID *buffersPacked,
+                               const GLintptr *offsets,
+                               const GLsizei *strides);
+bool ValidateBufferStorage(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           BufferBinding targetPacked,
+                           GLsizeiptr size,
+                           const void *data,
+                           GLbitfield flags);
+bool ValidateClearTexImage(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureID texturePacked,
+                           GLint level,
+                           GLenum format,
+                           GLenum type,
+                           const void *data);
+bool ValidateClearTexSubImage(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texturePacked,
+                              GLint level,
+                              GLint xoffset,
+                              GLint yoffset,
+                              GLint zoffset,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              GLenum format,
+                              GLenum type,
+                              const void *data);
+
+// GL 4.5
+bool ValidateBindTextureUnit(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLuint unit,
+                             TextureID texturePacked);
+bool ValidateBlitNamedFramebuffer(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  GLuint readFramebuffer,
+                                  GLuint drawFramebuffer,
+                                  GLint srcX0,
+                                  GLint srcY0,
+                                  GLint srcX1,
+                                  GLint srcY1,
+                                  GLint dstX0,
+                                  GLint dstY0,
+                                  GLint dstX1,
+                                  GLint dstY1,
+                                  GLbitfield mask,
+                                  GLenum filter);
+bool ValidateCheckNamedFramebufferStatus(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         FramebufferID framebufferPacked,
+                                         GLenum target);
+bool ValidateClearNamedBufferData(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  BufferID bufferPacked,
+                                  GLenum internalformat,
+                                  GLenum format,
+                                  GLenum type,
+                                  const void *data);
+bool ValidateClearNamedBufferSubData(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     BufferID bufferPacked,
+                                     GLenum internalformat,
+                                     GLintptr offset,
+                                     GLsizeiptr size,
+                                     GLenum format,
+                                     GLenum type,
+                                     const void *data);
+bool ValidateClearNamedFramebufferfi(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebufferPacked,
+                                     GLenum buffer,
+                                     GLint drawbuffer,
+                                     GLfloat depth,
+                                     GLint stencil);
+bool ValidateClearNamedFramebufferfv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebufferPacked,
+                                     GLenum buffer,
+                                     GLint drawbuffer,
+                                     const GLfloat *value);
+bool ValidateClearNamedFramebufferiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebufferPacked,
+                                     GLenum buffer,
+                                     GLint drawbuffer,
+                                     const GLint *value);
+bool ValidateClearNamedFramebufferuiv(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      FramebufferID framebufferPacked,
+                                      GLenum buffer,
+                                      GLint drawbuffer,
+                                      const GLuint *value);
+bool ValidateClipControl(const Context *context,
+                         angle::EntryPoint entryPoint,
+                         GLenum origin,
+                         GLenum depth);
+bool ValidateCompressedTextureSubImage1D(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texturePacked,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLsizei width,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data);
+bool ValidateCompressedTextureSubImage2D(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texturePacked,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data);
+bool ValidateCompressedTextureSubImage3D(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texturePacked,
+                                         GLint level,
+                                         GLint xoffset,
+                                         GLint yoffset,
+                                         GLint zoffset,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLenum format,
+                                         GLsizei imageSize,
+                                         const void *data);
+bool ValidateCopyNamedBufferSubData(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint readBuffer,
+                                    GLuint writeBuffer,
+                                    GLintptr readOffset,
+                                    GLintptr writeOffset,
+                                    GLsizeiptr size);
+bool ValidateCopyTextureSubImage1D(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texturePacked,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width);
+bool ValidateCopyTextureSubImage2D(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texturePacked,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height);
+bool ValidateCopyTextureSubImage3D(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texturePacked,
+                                   GLint level,
+                                   GLint xoffset,
+                                   GLint yoffset,
+                                   GLint zoffset,
+                                   GLint x,
+                                   GLint y,
+                                   GLsizei width,
+                                   GLsizei height);
+bool ValidateCreateBuffers(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLsizei n,
+                           const BufferID *buffersPacked);
+bool ValidateCreateFramebuffers(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const GLuint *framebuffers);
+bool ValidateCreateProgramPipelines(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLsizei n,
+                                    const GLuint *pipelines);
+bool ValidateCreateQueries(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLsizei n,
+                           const GLuint *ids);
+bool ValidateCreateRenderbuffers(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLsizei n,
+                                 const RenderbufferID *renderbuffersPacked);
+bool ValidateCreateSamplers(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLsizei n,
+                            const GLuint *samplers);
+bool ValidateCreateTextures(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum target,
+                            GLsizei n,
+                            const GLuint *textures);
+bool ValidateCreateTransformFeedbacks(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLsizei n,
+                                      const GLuint *ids);
+bool ValidateCreateVertexArrays(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei n,
+                                const VertexArrayID *arraysPacked);
+bool ValidateDisableVertexArrayAttrib(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobjPacked,
+                                      GLuint index);
+bool ValidateEnableVertexArrayAttrib(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobjPacked,
+                                     GLuint index);
+bool ValidateFlushMappedNamedBufferRange(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         BufferID bufferPacked,
+                                         GLintptr offset,
+                                         GLsizeiptr length);
+bool ValidateGenerateTextureMipmap(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texturePacked);
+bool ValidateGetCompressedTextureImage(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       TextureID texturePacked,
+                                       GLint level,
+                                       GLsizei bufSize,
+                                       const void *pixels);
+bool ValidateGetCompressedTextureSubImage(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          TextureID texturePacked,
+                                          GLint level,
+                                          GLint xoffset,
+                                          GLint yoffset,
+                                          GLint zoffset,
+                                          GLsizei width,
+                                          GLsizei height,
+                                          GLsizei depth,
+                                          GLsizei bufSize,
+                                          const void *pixels);
+bool ValidateGetNamedBufferParameteri64v(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         BufferID bufferPacked,
+                                         GLenum pname,
+                                         const GLint64 *params);
+bool ValidateGetNamedBufferParameteriv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       BufferID bufferPacked,
+                                       GLenum pname,
+                                       const GLint *params);
+bool ValidateGetNamedBufferPointerv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    BufferID bufferPacked,
+                                    GLenum pname,
+                                    void *const *params);
+bool ValidateGetNamedBufferSubData(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   BufferID bufferPacked,
+                                   GLintptr offset,
+                                   GLsizeiptr size,
+                                   const void *data);
+bool ValidateGetNamedFramebufferAttachmentParameteriv(const Context *context,
+                                                      angle::EntryPoint entryPoint,
+                                                      FramebufferID framebufferPacked,
+                                                      GLenum attachment,
+                                                      GLenum pname,
+                                                      const GLint *params);
+bool ValidateGetNamedFramebufferParameteriv(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            FramebufferID framebufferPacked,
+                                            GLenum pname,
+                                            const GLint *param);
+bool ValidateGetNamedRenderbufferParameteriv(const Context *context,
+                                             angle::EntryPoint entryPoint,
+                                             RenderbufferID renderbufferPacked,
+                                             GLenum pname,
+                                             const GLint *params);
+bool ValidateGetQueryBufferObjecti64v(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      GLuint id,
+                                      BufferID bufferPacked,
+                                      GLenum pname,
+                                      GLintptr offset);
+bool ValidateGetQueryBufferObjectiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint id,
+                                    BufferID bufferPacked,
+                                    GLenum pname,
+                                    GLintptr offset);
+bool ValidateGetQueryBufferObjectui64v(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint id,
+                                       BufferID bufferPacked,
+                                       GLenum pname,
+                                       GLintptr offset);
+bool ValidateGetQueryBufferObjectuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint id,
+                                     BufferID bufferPacked,
+                                     GLenum pname,
+                                     GLintptr offset);
+bool ValidateGetTextureImage(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             TextureID texturePacked,
+                             GLint level,
+                             GLenum format,
+                             GLenum type,
+                             GLsizei bufSize,
+                             const void *pixels);
+bool ValidateGetTextureLevelParameterfv(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureID texturePacked,
+                                        GLint level,
+                                        GLenum pname,
+                                        const GLfloat *params);
+bool ValidateGetTextureLevelParameteriv(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        TextureID texturePacked,
+                                        GLint level,
+                                        GLenum pname,
+                                        const GLint *params);
+bool ValidateGetTextureParameterIiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    TextureID texturePacked,
+                                    GLenum pname,
+                                    const GLint *params);
+bool ValidateGetTextureParameterIuiv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     TextureID texturePacked,
+                                     GLenum pname,
+                                     const GLuint *params);
+bool ValidateGetTextureParameterfv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texturePacked,
+                                   GLenum pname,
+                                   const GLfloat *params);
+bool ValidateGetTextureParameteriv(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   TextureID texturePacked,
+                                   GLenum pname,
+                                   const GLint *params);
+bool ValidateGetTextureSubImage(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texturePacked,
+                                GLint level,
+                                GLint xoffset,
+                                GLint yoffset,
+                                GLint zoffset,
+                                GLsizei width,
+                                GLsizei height,
+                                GLsizei depth,
+                                GLenum format,
+                                GLenum type,
+                                GLsizei bufSize,
+                                const void *pixels);
+bool ValidateGetTransformFeedbacki64_v(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       GLuint xfb,
+                                       GLenum pname,
+                                       GLuint index,
+                                       const GLint64 *param);
+bool ValidateGetTransformFeedbacki_v(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     GLuint xfb,
+                                     GLenum pname,
+                                     GLuint index,
+                                     const GLint *param);
+bool ValidateGetTransformFeedbackiv(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLuint xfb,
+                                    GLenum pname,
+                                    const GLint *param);
+bool ValidateGetVertexArrayIndexed64iv(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       VertexArrayID vaobjPacked,
+                                       GLuint index,
+                                       GLenum pname,
+                                       const GLint64 *param);
+bool ValidateGetVertexArrayIndexediv(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobjPacked,
+                                     GLuint index,
+                                     GLenum pname,
+                                     const GLint *param);
+bool ValidateGetVertexArrayiv(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              VertexArrayID vaobjPacked,
+                              GLenum pname,
+                              const GLint *param);
+bool ValidateGetnColorTable(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum target,
+                            GLenum format,
+                            GLenum type,
+                            GLsizei bufSize,
+                            const void *table);
+bool ValidateGetnCompressedTexImage(const Context *context,
+                                    angle::EntryPoint entryPoint,
+                                    GLenum target,
+                                    GLint lod,
+                                    GLsizei bufSize,
+                                    const void *pixels);
+bool ValidateGetnConvolutionFilter(const Context *context,
+                                   angle::EntryPoint entryPoint,
+                                   GLenum target,
+                                   GLenum format,
+                                   GLenum type,
+                                   GLsizei bufSize,
+                                   const void *image);
+bool ValidateGetnHistogram(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           GLenum target,
+                           GLboolean reset,
+                           GLenum format,
+                           GLenum type,
+                           GLsizei bufSize,
+                           const void *values);
+bool ValidateGetnMapdv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum target,
+                       GLenum query,
+                       GLsizei bufSize,
+                       const GLdouble *v);
+bool ValidateGetnMapfv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum target,
+                       GLenum query,
+                       GLsizei bufSize,
+                       const GLfloat *v);
+bool ValidateGetnMapiv(const Context *context,
+                       angle::EntryPoint entryPoint,
+                       GLenum target,
+                       GLenum query,
+                       GLsizei bufSize,
+                       const GLint *v);
+bool ValidateGetnMinmax(const Context *context,
+                        angle::EntryPoint entryPoint,
+                        GLenum target,
+                        GLboolean reset,
+                        GLenum format,
+                        GLenum type,
+                        GLsizei bufSize,
+                        const void *values);
+bool ValidateGetnPixelMapfv(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            GLenum map,
+                            GLsizei bufSize,
+                            const GLfloat *values);
+bool ValidateGetnPixelMapuiv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum map,
+                             GLsizei bufSize,
+                             const GLuint *values);
+bool ValidateGetnPixelMapusv(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             GLenum map,
+                             GLsizei bufSize,
+                             const GLushort *values);
+bool ValidateGetnPolygonStipple(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLsizei bufSize,
+                                const GLubyte *pattern);
+bool ValidateGetnSeparableFilter(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 GLenum target,
+                                 GLenum format,
+                                 GLenum type,
+                                 GLsizei rowBufSize,
+                                 const void *row,
+                                 GLsizei columnBufSize,
+                                 const void *column,
+                                 const void *span);
+bool ValidateGetnTexImage(const Context *context,
+                          angle::EntryPoint entryPoint,
+                          GLenum target,
+                          GLint level,
+                          GLenum format,
+                          GLenum type,
+                          GLsizei bufSize,
+                          const void *pixels);
+bool ValidateGetnUniformdv(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           ShaderProgramID programPacked,
+                           UniformLocation locationPacked,
+                           GLsizei bufSize,
+                           const GLdouble *params);
+bool ValidateInvalidateNamedFramebufferData(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            FramebufferID framebufferPacked,
+                                            GLsizei numAttachments,
+                                            const GLenum *attachments);
+bool ValidateInvalidateNamedFramebufferSubData(const Context *context,
+                                               angle::EntryPoint entryPoint,
+                                               FramebufferID framebufferPacked,
+                                               GLsizei numAttachments,
+                                               const GLenum *attachments,
+                                               GLint x,
+                                               GLint y,
+                                               GLsizei width,
+                                               GLsizei height);
+bool ValidateMapNamedBuffer(const Context *context,
+                            angle::EntryPoint entryPoint,
+                            BufferID bufferPacked,
+                            GLenum access);
+bool ValidateMapNamedBufferRange(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 BufferID bufferPacked,
+                                 GLintptr offset,
+                                 GLsizeiptr length,
+                                 GLbitfield access);
+bool ValidateNamedBufferData(const Context *context,
+                             angle::EntryPoint entryPoint,
+                             BufferID bufferPacked,
+                             GLsizeiptr size,
+                             const void *data,
+                             GLenum usage);
+bool ValidateNamedBufferStorage(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                BufferID bufferPacked,
+                                GLsizeiptr size,
+                                const void *data,
+                                GLbitfield flags);
+bool ValidateNamedBufferSubData(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                BufferID bufferPacked,
+                                GLintptr offset,
+                                GLsizeiptr size,
+                                const void *data);
+bool ValidateNamedFramebufferDrawBuffer(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        FramebufferID framebufferPacked,
+                                        GLenum buf);
+bool ValidateNamedFramebufferDrawBuffers(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         FramebufferID framebufferPacked,
+                                         GLsizei n,
+                                         const GLenum *bufs);
+bool ValidateNamedFramebufferParameteri(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        FramebufferID framebufferPacked,
+                                        GLenum pname,
+                                        GLint param);
+bool ValidateNamedFramebufferReadBuffer(const Context *context,
+                                        angle::EntryPoint entryPoint,
+                                        FramebufferID framebufferPacked,
+                                        GLenum src);
+bool ValidateNamedFramebufferRenderbuffer(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          FramebufferID framebufferPacked,
+                                          GLenum attachment,
+                                          GLenum renderbuffertarget,
+                                          RenderbufferID renderbufferPacked);
+bool ValidateNamedFramebufferTexture(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     FramebufferID framebufferPacked,
+                                     GLenum attachment,
+                                     TextureID texturePacked,
+                                     GLint level);
+bool ValidateNamedFramebufferTextureLayer(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          FramebufferID framebufferPacked,
+                                          GLenum attachment,
+                                          TextureID texturePacked,
+                                          GLint level,
+                                          GLint layer);
+bool ValidateNamedRenderbufferStorage(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      RenderbufferID renderbufferPacked,
+                                      GLenum internalformat,
+                                      GLsizei width,
+                                      GLsizei height);
+bool ValidateNamedRenderbufferStorageMultisample(const Context *context,
+                                                 angle::EntryPoint entryPoint,
+                                                 RenderbufferID renderbufferPacked,
+                                                 GLsizei samples,
+                                                 GLenum internalformat,
+                                                 GLsizei width,
+                                                 GLsizei height);
+bool ValidateTextureBarrier(const Context *context, angle::EntryPoint entryPoint);
+bool ValidateTextureBuffer(const Context *context,
+                           angle::EntryPoint entryPoint,
+                           TextureID texturePacked,
+                           GLenum internalformat,
+                           BufferID bufferPacked);
+bool ValidateTextureBufferRange(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texturePacked,
+                                GLenum internalformat,
+                                BufferID bufferPacked,
+                                GLintptr offset,
+                                GLsizeiptr size);
+bool ValidateTextureParameterIiv(const Context *context,
+                                 angle::EntryPoint entryPoint,
+                                 TextureID texturePacked,
+                                 GLenum pname,
+                                 const GLint *params);
+bool ValidateTextureParameterIuiv(const Context *context,
+                                  angle::EntryPoint entryPoint,
+                                  TextureID texturePacked,
+                                  GLenum pname,
+                                  const GLuint *params);
+bool ValidateTextureParameterf(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texturePacked,
+                               GLenum pname,
+                               GLfloat param);
+bool ValidateTextureParameterfv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texturePacked,
+                                GLenum pname,
+                                const GLfloat *param);
+bool ValidateTextureParameteri(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texturePacked,
+                               GLenum pname,
+                               GLint param);
+bool ValidateTextureParameteriv(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                TextureID texturePacked,
+                                GLenum pname,
+                                const GLint *param);
+bool ValidateTextureStorage1D(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texturePacked,
+                              GLsizei levels,
+                              GLenum internalformat,
+                              GLsizei width);
+bool ValidateTextureStorage2D(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texturePacked,
+                              GLsizei levels,
+                              GLenum internalformat,
+                              GLsizei width,
+                              GLsizei height);
+bool ValidateTextureStorage2DMultisample(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texturePacked,
+                                         GLsizei samples,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLboolean fixedsamplelocations);
+bool ValidateTextureStorage3D(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              TextureID texturePacked,
+                              GLsizei levels,
+                              GLenum internalformat,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth);
+bool ValidateTextureStorage3DMultisample(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         TextureID texturePacked,
+                                         GLsizei samples,
+                                         GLenum internalformat,
+                                         GLsizei width,
+                                         GLsizei height,
+                                         GLsizei depth,
+                                         GLboolean fixedsamplelocations);
+bool ValidateTextureSubImage1D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texturePacked,
+                               GLint level,
+                               GLint xoffset,
+                               GLsizei width,
+                               GLenum format,
+                               GLenum type,
+                               const void *pixels);
+bool ValidateTextureSubImage2D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texturePacked,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLsizei width,
+                               GLsizei height,
+                               GLenum format,
+                               GLenum type,
+                               const void *pixels);
+bool ValidateTextureSubImage3D(const Context *context,
+                               angle::EntryPoint entryPoint,
+                               TextureID texturePacked,
+                               GLint level,
+                               GLint xoffset,
+                               GLint yoffset,
+                               GLint zoffset,
+                               GLsizei width,
+                               GLsizei height,
+                               GLsizei depth,
+                               GLenum format,
+                               GLenum type,
+                               const void *pixels);
+bool ValidateTransformFeedbackBufferBase(const Context *context,
+                                         angle::EntryPoint entryPoint,
+                                         GLuint xfb,
+                                         GLuint index,
+                                         BufferID bufferPacked);
+bool ValidateTransformFeedbackBufferRange(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLuint xfb,
+                                          GLuint index,
+                                          BufferID bufferPacked,
+                                          GLintptr offset,
+                                          GLsizeiptr size);
+bool ValidateUnmapNamedBuffer(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              BufferID bufferPacked);
+bool ValidateVertexArrayAttribBinding(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobjPacked,
+                                      GLuint attribindex,
+                                      GLuint bindingindex);
+bool ValidateVertexArrayAttribFormat(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobjPacked,
+                                     GLuint attribindex,
+                                     GLint size,
+                                     GLenum type,
+                                     GLboolean normalized,
+                                     GLuint relativeoffset);
+bool ValidateVertexArrayAttribIFormat(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobjPacked,
+                                      GLuint attribindex,
+                                      GLint size,
+                                      GLenum type,
+                                      GLuint relativeoffset);
+bool ValidateVertexArrayAttribLFormat(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobjPacked,
+                                      GLuint attribindex,
+                                      GLint size,
+                                      GLenum type,
+                                      GLuint relativeoffset);
+bool ValidateVertexArrayBindingDivisor(const Context *context,
+                                       angle::EntryPoint entryPoint,
+                                       VertexArrayID vaobjPacked,
+                                       GLuint bindingindex,
+                                       GLuint divisor);
+bool ValidateVertexArrayElementBuffer(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobjPacked,
+                                      BufferID bufferPacked);
+bool ValidateVertexArrayVertexBuffer(const Context *context,
+                                     angle::EntryPoint entryPoint,
+                                     VertexArrayID vaobjPacked,
+                                     GLuint bindingindex,
+                                     BufferID bufferPacked,
+                                     GLintptr offset,
+                                     GLsizei stride);
+bool ValidateVertexArrayVertexBuffers(const Context *context,
+                                      angle::EntryPoint entryPoint,
+                                      VertexArrayID vaobjPacked,
+                                      GLuint first,
+                                      GLsizei count,
+                                      const BufferID *buffersPacked,
+                                      const GLintptr *offsets,
+                                      const GLsizei *strides);
+
+// GL 4.6
+bool ValidateMultiDrawArraysIndirectCount(const Context *context,
+                                          angle::EntryPoint entryPoint,
+                                          GLenum mode,
+                                          const void *indirect,
+                                          GLintptr drawcount,
+                                          GLsizei maxdrawcount,
+                                          GLsizei stride);
+bool ValidateMultiDrawElementsIndirectCount(const Context *context,
+                                            angle::EntryPoint entryPoint,
+                                            GLenum mode,
+                                            GLenum type,
+                                            const void *indirect,
+                                            GLintptr drawcount,
+                                            GLsizei maxdrawcount,
+                                            GLsizei stride);
+bool ValidatePolygonOffsetClamp(const Context *context,
+                                angle::EntryPoint entryPoint,
+                                GLfloat factor,
+                                GLfloat units,
+                                GLfloat clamp);
+bool ValidateSpecializeShader(const Context *context,
+                              angle::EntryPoint entryPoint,
+                              GLuint shader,
+                              const GLchar *pEntryPoint,
+                              GLuint numSpecializationConstants,
+                              const GLuint *pConstantIndex,
+                              const GLuint *pConstantValue);
+}  // namespace gl
+
+#endif  // LIBANGLE_VALIDATION_GL4_AUTOGEN_H_